CN115555783A - Workpiece positioning device and workpiece welding system - Google Patents

Abstract

The application discloses a workpiece positioning device and a workpiece welding system. The workpiece positioning device includes a first workpiece fixing assembly, a second workpiece fixing assembly and a first driving device; A gap is formed; the first workpiece fixing assembly is used to fix the first end of the workpiece to be processed, and the second workpiece fixing assembly is used to fix the second end of the workpiece to be processed, so that the first end and the second end are within the gap Relatively arranged; the first driving device is drivingly connected with the first workpiece fixing assembly; the first driving device is used to drive the first workpiece fixing assembly to move towards or away from the second workpiece fixing assembly; the application can improve the first workpiece to be processed. The consistency of the protruding distance between the first end and the second end can improve the precise butt joint of the workpiece connection end during subsequent welding to improve the accuracy of the connection.

Description

A workpiece positioning device and workpiece welding system

technical field

The present application relates to the technical field of workpiece welding, in particular to a workpiece positioning device and a workpiece welding system.

Background technique

Infrared welding technology is becoming more and more popular in the market. The characteristic of this technology is to use non-contact heating method to heat plastic workpieces. The surfaces of the two parts to be welded can melt rapidly under the irradiation of infrared rays, and can be bonded together after pressing and cooling, and can obtain extremely high welding strength. Infrared-welded components will not have welding slag or flash at the weld, which is unmatched by other welding processes.

At present, when the existing mechanical equipment adopts the infrared welding method for welding, it is necessary to perform operations such as turning over and pressing the product, and there is a risk of scratching the product and damaging the product.

Contents of the invention

In order to solve the above technical problems, the workpiece positioning device disclosed in the present application clamps the first end and the second end of the workpiece to be processed by the first workpiece fixing assembly and the second workpiece fixing assembly respectively, so that the first end of the workpiece to be processed The end and the second end are arranged oppositely, which can improve the consistency of the protruding distance between the first end and the second end of the workpiece to be processed, thereby improving the precise butt joint of the workpiece connection ends during subsequent welding to improve the accuracy of the connection.

In order to achieve the purpose of the above invention, the present application provides a workpiece positioning device, including a first workpiece fixing assembly, a second workpiece fixing assembly and a first driving device;

A space is formed between the first workpiece fixing assembly and the second workpiece fixing assembly;

The first workpiece fixing assembly is used to fix the first end of the workpiece to be processed, and the second workpiece fixing assembly is used to fix the second end of the workpiece to be processed, so that the first end and the second ends are relatively disposed within said interval;

The first driving device is drivingly connected to the first workpiece fixing assembly;

The first driving device is used to drive the first workpiece fixing assembly to move towards or away from the second workpiece fixing assembly.

In some embodiments, it also includes a second driving device, the second driving device is drivingly connected to the second workpiece fixing assembly;

The second driving device is used to drive the second workpiece fixing assembly to move towards or away from the first workpiece fixing assembly.

In some embodiments, the first workpiece fixation assembly includes a base and cover mechanism;

The cover mechanism is covered on the substrate, and the first end of the workpiece to be processed is located between the substrate and the cover mechanism;

The first driving device is drivingly connected to the substrate;

The first driving device is used to drive the substrate to move toward or away from the second workpiece fixing assembly; the cover mechanism moves synchronously with the substrate.

In some embodiments, the substrate is provided with at least one positioning post and at least one first fixing member;

The cover mechanism is provided with at least one positioning hole and at least one second fixing member;

The positioning hole is sleeved on the positioning column, and the first fixing part is fixedly connected with the second fixing part;

The first fixing part is in one-to-one correspondence with the second fixing part.

In some embodiments, it also includes a base, a first support plate and a second support plate; both the first support plate and the second support plate are slidably connected to the base;

An end of the first driving device away from the first workpiece fixing assembly is fixedly connected to the first support plate;

An end of the second driving device away from the second workpiece fixing assembly is fixedly connected to the second support plate;

The first support plate can slide toward or away from the second support plate along the base; the first driving device and the first workpiece fixing assembly move synchronously with the first support plate;

The second support plate can slide along the base in a direction approaching or away from the first support plate; the second driving device and the second workpiece fixing assembly move synchronously with the second support plate.

In some embodiments, at least two positioning elements and at least one position sensor are also included; both the positioning elements and the position sensor are arranged on the base;

One of the positioning members is used to limit and fix the first support plate, and the other positioning member is used to limit and fix the second support plate;

The position sensor is arranged on the base, and the position sensor is used to detect the position information of the first support plate and the second support plate.

The present application also provides a workpiece welding system, including a control device, a third driving device, a heating assembly, and at least one workpiece positioning device; the workpiece positioning device is the above-mentioned workpiece positioning device;

The control device respectively controls the first driving device to output a first driving force and controls the third driving device to output a third driving force;

The control device controls the workpiece positioning device to drive the workpiece to be processed to a preset position to be heated;

The third driving device is used to drive the heating assembly to move to a preset heating position, so that the heating assembly can heat the first end and the second end of the workpiece at the preset heating position. heat treatment;

When the heating duration of the heating assembly at the preset heating position meets the preset time threshold, the first driving device drives the first workpiece fixing assembly to drive the first end of the workpiece to be processed closer to The direction of the second end is moved so that the first end is matched with the second end.

In some implementations, the control device synchronously controls the first driving device to output the first driving force and controls the second driving device on the workpiece positioning device to output the second driving force, the first driving force and the The same as the second driving force;

When the first driving device drives the first workpiece fixing assembly to drive the first end of the workpiece to be processed to move in a direction close to the second end, the second driving device drives the second workpiece to fix The component drives the second end of the workpiece to be processed to move in a direction close to the first end, so that the first end is matched with the second end.

In some embodiments, the heating assembly includes a heating lamp, a lamp protection assembly sleeved on the heating lamp, and at least one guide shaft connected to the lamp protection assembly;

One end of the third drive device is drivingly connected to the lamp protection assembly; the guide shaft and the third drive device are located on the same side of the lamp protection assembly;

The third drive device is slidably connected to the guide shaft through the connector;

The third driving device is used to drive the heating lamp to reciprocate along the guide shaft through the lamp protection assembly.

In some embodiments, the workpiece welding system includes four workpiece positioning devices;

The four workpiece positioning devices are respectively connected in communication with the control device;

The control device can control the rotation of the base on the workpiece positioning device, so that the workpiece positioning device rotates to a preset position to be heated.

Implementing the embodiment of the present application has the following beneficial effects:

The workpiece positioning device of the present application clamps the first end and the second end of the workpiece to be processed by the first workpiece fixing assembly and the second workpiece fixing assembly respectively, so that the first end and the second end of the workpiece to be processed are arranged oppositely, This arrangement can improve the consistency of the protruding distances of the first end and the second end of the workpiece to be processed, thereby improving the precise butt joint of the connecting ends of the workpiece during subsequent welding to improve the accuracy of the connection.

Description of drawings

In order to more clearly illustrate the technical solutions and advantages in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appended The drawings are only some embodiments of the present application, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a front view of a workpiece positioning device provided by an embodiment of the present application;

Fig. 2 is a rear view of a workpiece positioning device provided by an embodiment of the present application;

FIG. 3 is a schematic diagram of a three-dimensional structure of a workpiece positioning device provided in an embodiment of the present application;

Fig. 4 is a schematic structural diagram of a cover mechanism in a workpiece positioning device provided by an embodiment of the present application;

Fig. 5 is a three-dimensional structural schematic diagram of a workpiece welding system provided by an embodiment of the present application;

Fig. 6 is a top view of a workpiece welding system provided by an embodiment of the present application;

Fig. 7 is a schematic side view of a connection structure between a heating assembly and a third driving device provided in an embodiment of the present application;

Fig. 8 is a schematic perspective view of a connection structure between a heating assembly and a third driving device provided in an embodiment of the present application;

Wherein, the reference numerals in the figure correspond to: 1-first workpiece fixing component, 101-base plate, 1011-positioning column, 1012-first fixing member, 102-cover plate mechanism, 1021-positioning hole, 1022-second fixing Parts, 103-handle, 104-baffle, 2-second workpiece fixing assembly, 3-first drive device, 4-second drive device, 5-base, 501-rail, 6-first support plate, 7- Second support plate, 8-positioning piece, 9-position sensor, 10-third driving device, 11-heating assembly, 1101-heating lamp tube, 1102-lamp protection assembly, 1103-guide shaft, 12-workpiece positioning device , 13-first end, 14-second end, 15-fixed seat.

detailed description

In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. The terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion. In the different variants, identical components have the same reference symbols.

As shown in FIGS. 1 to 4 , the present application provides a workpiece positioning device, which may include a first workpiece fixing assembly 1 , a second workpiece fixing assembly 2 and a first driving device 3 ;

A space is formed between the first workpiece fixing assembly 1 and the second workpiece fixing assembly 2;

In the embodiment of the present application, the first workpiece fixing assembly 1 may have the same structure as the second workpiece fixing assembly 2 .

The first workpiece fixing assembly 1 is used to fix the first end 13 of the workpiece to be processed, and the second workpiece fixing assembly 2 is used to fix the second end 14 of the workpiece to be processed, so that the first end 13 set opposite to the second end 14 in the interval;

In the embodiment of the present application, the first end 13 of the workpiece to be processed is close to the side of the interval, protruding from the first distance of the first workpiece fixing assembly 1 and the second end 14 is close to the side of the interval, protruding from the second workpiece fixing assembly 1. The second distance of component 2 corresponds.

In one example, the first distance and the second distance may be the same.

The first driving device 3 is drivingly connected to the first workpiece fixing assembly 1;

The first driving device 3 is used to drive the first workpiece fixing assembly 1 to move towards or away from the second workpiece fixing assembly 2;

In some exemplary embodiments, the first workpiece fixing assembly 1 may move while the second workpiece fixing assembly 2 is fixed. The application clamps the first end 13 and the second end 14 of the workpiece to be processed by the first workpiece fixing assembly 1 and the second workpiece fixing assembly 2 respectively, so that the first end 13 and the second end 14 of the workpiece to be processed are opposite This setting can improve the consistency of the protruding distance between the first end and the second end of the workpiece to be processed, thereby improving the precise butt joint of the connecting ends of the workpiece during subsequent welding to improve the accuracy of the connection.

In some other exemplary embodiments, a second driving device 4 is also included, and the second driving device 4 is drivingly connected to the second workpiece fixing assembly 2;

The second driving device 4 is used to drive the second workpiece fixing assembly 2 to move towards or away from the first workpiece fixing assembly 1 .

In one example, while the first workpiece fixing assembly 1 moves toward the direction close to the second workpiece fixing assembly 2, the second workpiece fixing assembly 2 moves toward the direction close to the first workpiece fixing assembly 1; The first end 13 and the second end 14 of the workpiece move towards each other synchronously. This way can make the first end 13 and the second end 14 contact quickly, and can improve the uniformity of contact.

In one example, both the first driving device 3 and the second driving device 4 may be driving cylinders.

In some exemplary embodiments, as shown in FIGS. 1 to 3 , the first workpiece fixing assembly 1 includes a base plate 101 and a cover mechanism 102 ;

The cover mechanism 102 is covered on the substrate 101, and the first end 13 of the workpiece to be processed is located between the substrate 101 and the cover mechanism 102;

Specifically, the cover mechanism 102 is fixedly connected to the base plate 101 .

The cover mechanism 102 and the base plate 101 jointly fix the first end 13 of the workpiece to be processed.

In a possible embodiment, the cover mechanism 102 and the base plate 101 have a mortise and tenon structure that cooperates with each other, and the cover mechanism 102 and the base plate 101 are connected through an interference fit of the mortise and tenon structure, thereby fixing the first end of the workpiece to be processed. .

The first driving device 3 is drivingly connected to the substrate 101;

The first driving device 3 is used to drive the substrate 101 to move toward or away from the second workpiece fixing assembly 2 ; the cover mechanism 102 moves synchronously with the substrate 101 .

Specifically, the first end 13 of the workpiece to be processed also moves synchronously with the substrate 101 .

The structure of the second workpiece fixing assembly 2 is the same as that of the first workpiece fixing assembly 1 , and can also be a base plate and cover plate mechanism.

In another possible embodiment, as shown in FIG. 2 , at least one positioning column 1011 and at least one first fixing member 1012 are provided on the base plate 101 ;

As shown in FIG. 4 , at least one positioning hole 1021 and at least one second fixing member 1022 are opened on the cover mechanism 102 ;

The positioning hole 1021 is sleeved on the positioning column 1011, and the first fixing part 1012 is fixedly connected with the second fixing part 1022;

The first fixing part 1012 corresponds to the second fixing part 1022 one by one.

In one example, there may be four positioning columns 1011, and four corresponding positioning holes 1021 are also provided.

In one example, at least one of the first fixing part 1012 and the second fixing part 1022 is a magnetic part, and the other is an object capable of being attracted to the magnetic part.

For example, both the first fixing part 1012 and the second fixing part 1022 may be magnetic parts. This design facilitates fast fixing of the substrate 101 and the cover mechanism 102 together.

In some exemplary embodiments, the first workpiece fixing assembly 1 may further include a handle 103 , which is fixedly connected with the cover assembly 102 , so as to facilitate moving and holding the cover assembly 102 .

In an exemplary embodiment, the first workpiece fixing assembly 1 further includes a baffle 104, the baffle 104 is arranged on the side of the base plate 101 away from the cover mechanism 102, one side of the baffle 104 is fixedly connected with the base plate 101, and the other side It is a free end, and the free end is located in the interval, which can be used to limit the reference position of the protruding first end of the workpiece to be processed.

The structure of the second workpiece fixing assembly 2 is the same as that of the first workpiece fixing assembly 1 , and similarly, the arrangement of the baffles in the second workpiece fixing assembly 2 is also the same.

The baffle plate 104 oppositely arranged on the first workpiece fixing assembly 1 and the second workpiece fixing assembly 2 can make the workpiece to be processed increase the first distance and the distance between the first end 13 and the second end 14 protruding into the interval when the workpiece to be processed is assembled. The degree of matching for the second distance.

In some exemplary embodiments, as shown in Figure 1 and Figure 4, the workpiece positioning device may further include a base 5, a first support plate 6 and a second support plate 7; the first support plate 6 and the second support plate The support plates 7 are all slidably connected with the base 5;

Specifically, a guide rail 501 is provided on the base 5 , and the first support plate 6 and the second support plate 7 are respectively slidably connected to the guide rail 501 .

Specifically, two guide rails 501 are included, and the first support plate 6 and the second support plate 7 correspond to one guide rail 501 respectively; wherein, the guide rails 501 can be double guide rails to improve the movement process of the first support plate 6 and the second support plate 7 The stability in the medium and the limit fixation of the first support plate 6 and the second support plate 7 .

One end of the first driving device 3 away from the first workpiece fixing assembly 1 is fixedly connected to the first support plate 6;

The first support plate 6 can also be fixedly connected with the first workpiece fixing assembly 1,

The first support plate 6 can slide along the base 5 toward or away from the second support plate 7; the first driving device 3 and the first workpiece fixing assembly 1 are connected with the first support Board 6 moves synchronously;

One end of the second driving device 4 away from the second workpiece fixing assembly 2 is fixedly connected to the second support plate 7;

The first support plate 6 can also be fixedly connected with the second workpiece fixing assembly 2;

The second support plate 7 can slide along the base 5 toward or away from the first support plate 6; the second drive device 4 and the second workpiece fixing assembly 2 are connected with the second support The plates 7 move synchronously.

Specifically, when in use, by moving the first support plate 6 and the second support plate 7 in opposite directions along the guide rails, it is convenient to put the workpiece to be processed into the workpiece positioning device.

In some exemplary embodiments, at least two positioning parts 8 and at least one position sensor 9 are also included; the positioning parts 8 and the position sensor 9 are both arranged on the base 5;

One of the positioning members 8 is used to limit and fix the first support plate 6, and the other positioning member 8 is used to limit and fix the second support plate 7;

In one example, the first support plate 6 is provided with a first through hole adapted to the positioning piece 8, and the positioning piece 8 can pass through the first through hole and fit with the base 5; thereby realizing the alignment of the first support plate 6 limit.

The second support plate 7 is provided with a second through hole adapted to the positioning piece 8 , and the positioning piece 8 can pass through the second through hole and fit with the base 5 ; thereby realizing the position limitation of the second support plate 7 .

Specifically, the positioning member 8 may be a positioning plunger.

The position sensor 9 is arranged on the base 5 , and the position sensor 9 is used to detect the position information of the first support plate 6 and the second support plate 7 .

In one example, four position sensors 9 may be provided, wherein one side of the first support plate 6 close to the second support plate 7 and one side away from the second support plate 7 are respectively provided with a position sensor 9;

A position sensor 9 is respectively provided on a side of the second support plate 7 close to the first support plate 6 and a side away from the first support plate 6 .

The working principle of the workpiece positioning device in this application;

When the workpiece to be processed needs to be loaded into the workpiece positioning device, at least pull up the corresponding positioning member 8 on the first workpiece positioning assembly 1, so that the first support plate 6 moves away from the second support plate 7 to the position corresponding to the position sensor 9. position, put down the positioning member 8 to limit the position of the first support plate 6; the base plate 101 and the first support plate 6 move synchronously; set the first end 13 of the workpiece to be processed on the positioning column 1011 on the base plate 101 , and then the cover plate mechanism 102 is set on the workpiece to be processed, and is fixedly connected with the substrate 101; then the fixing of the first end 13 of the workpiece to be processed can be realized; similarly, the same method is used for fixing the second end 14; Adjust the positioning member 8 so that the first support plate 6 drives the base plate 101, the cover plate mechanism 102 and the first end 13 of the workpiece to be processed move in a direction close to the second workpiece positioning assembly 2; to the first workpiece positioning assembly 1 and the second workpiece A space is formed between the positioning components 2, and the first end 13 and the second end 14 are located in the space.

The present application also provides a workpiece welding system, as shown in FIGS. The workpiece positioning device 12;

The control device respectively controls the first driving device 3 to output the first driving force and controls the third driving device 10 to output the third driving force;

In the embodiment of the present application, the control device is drivingly connected with the first driving device 3 and the third driving device 10 .

The control device controls the workpiece positioning device 12 to drive the workpiece to be processed to a preset position to be heated;

Specifically, it also includes a fourth driving device, the fourth driving device communicates with the control device, and the control device can control the movement of the fourth driving device, and then drive the workpiece positioning device 12 to move the fixed workpiece to the preset heating position.

Wherein, the preset position to be heated may be a preset position where the workpiece is waiting to be heated. The movement of the workpiece to be processed to the preset position to be heated means that the midpoint of the line connecting the first end 13 and the second end 14 of the workpiece to be processed is located at the preset position to be heated.

In one example, it also includes a machine table and a rotating shaft, the workpiece positioning device 12 is arranged on the machine table, and the rotating shaft is arranged at the center of the machine table, and the fourth driving device can drive the workpiece positioning device 12 to rotate around the rotating shaft; until the workpiece is positioned The device 12 drives the workpiece to be processed to rotate to a preset heating position.

The third driving device 10 is used to drive the heating assembly 11 to move to a preset heating position, so that the heating assembly 11 performs heat treatment on the first end 13 and the second end 14 of the workpiece to be processed at the preset heating position;

In one example, the third driving device 10 may be a driving cylinder.

In an exemplary embodiment, the third driving device 10 can drive the heating assembly 11 to reciprocate between the initial waiting position and the preset heating position. Wherein, the initial waiting position may be a preset position where the heating component stays in a non-working state. The preset heating position may be a position where the preset heating assembly can heat the first end 13 and the second end 14 of the workpiece to be processed.

In one example, the control device detects the temperature of the heating assembly 11 when it detects that the workpiece to be processed moves to the preset position to be heated, and controls the third driving device when the temperature of the heating assembly 11 reaches the preset temperature The heating assembly 11 is driven to move from the initial waiting position to the preset heating position, so as to perform heat treatment on the first end 13 and the second end 14 of the workpiece to be processed at the preset position to be heated.

When the heating duration of the heating assembly 11 at the preset heating position meets the preset time threshold, the first driving device 3 drives the first workpiece fixing assembly 1 to drive the first workpiece of the workpiece to be processed. The end 13 moves toward the second end 14 so that the first end 13 is mated with the second end 14 .

Specifically, the mating connection between the first end 13 and the second end 14 can refer to the first end 13 and the second end 14 in the preset melting state are partially or completely connected; Part or all of end 13 and second end 14 are connected.

In one example, the first end 13 and the second end 14 in the interval are all connected, and at this time, the thickness of the connection part obtained may be the sum of the thicknesses of the first end 13 and the second end 14 of the workpiece to be processed.

For example, when the thickness of the first end and the second end are both 1 mm, when the first end and the second end in the interval are all connected, the thickness of the connecting part can be 2 mm, wherein, the thickness of the connecting part is along the 3rd of the workpiece to be processed. The central line of the thickness of one end or the second end is symmetrically distributed, for example, 1 mm on each side relative to the central line.

In this way, the first distance and the second distance that the first end and the second end protrude into the interval can be adjusted according to the requirements for the thickness and width of the connecting portion.

In some exemplary embodiments, the control device synchronously controls the first driving device 3 to output the first driving force and controls the second driving device 4 on the workpiece positioning device 12 to output the second driving force. a driving force is the same as the second driving force;

The control device can simultaneously control the first driving device 3 and the second driving device 4 to output driving forces of the same magnitude, and the directions of the driving forces are opposite.

At this time, while the first driving device 3 is driving the first workpiece fixing assembly 1 to drive the first end 13 of the workpiece to be processed to move in a direction close to the second end 14, the second driving The device 4 drives the second workpiece fixing assembly 2 to move the second end 14 of the workpiece to be processed in a direction close to the first end 13, so that the first end 13 matches the second end 14 connect.

In some exemplary embodiments, as shown in FIG. 7 and FIG. 8 , the heating assembly 11 includes a heating lamp 1101 , a lamp protection assembly 1102 sleeved on the heating lamp 1101 and connected with the lamp. At least one guide shaft 1103 connected to the protective assembly 1102;

In one example, the lamp protection assembly 1102 is connected with two guide shafts 1103 .

In one example, the lamp protection assembly 1102 includes a lamp protection cover and a lamp fixing part; the heating lamp is fixed in the lamp protection cover through the lamp fixing part.

One end of the third drive device 10 is drivingly connected to the lamp protection assembly 1102; the guide shaft 1103 and the third drive device 10 are located on the same side of the lamp protection assembly 1102;

The third drive device 10 is slidably connected to the guide shaft 1103 through the connector;

In one example, the third driving device 10 is sleeved on the guide shaft 1103 through a connecting piece, and is slidably connected with the guide shaft 1103 .

The third driving device 10 is used to drive the heating lamp 1101 to reciprocate along the guide shaft 1103 through the lamp protection assembly 1102 .

The third driving device 10 drives the heating lamp assembly 1102 to drive the heating lamp to reciprocate along the guiding direction of the guiding shaft 1103 .

It also includes a fixing seat 15 on which the third driving device 10 is fixedly arranged.

In some exemplary embodiments, as shown in Figures 5 and 6, the workpiece welding system includes four workpiece positioning devices 12;

The four workpiece positioning devices 12 are respectively connected in communication with the control device;

The control device can control the base 5 on the workpiece positioning device 12 to rotate, so that the workpiece positioning device 12 rotates to a preset position to be heated.

Specifically, the fourth driving device can drive the workpiece positioning device 12 to rotate around the rotation axis at the same time; and drive the four workpiece positioning devices 12 to drive the workpiece to be processed to rotate to the preset heating position in sequence.

In one example, the workpiece to be processed may be a PP net.

The working principle of the workpiece welding system:

When the workpiece to be processed needs to be welded, control the rotation of the workpiece positioning device installed with the workpiece to be processed, drive the workpiece to be processed to the preset position to be heated, start the heating component, and when the temperature of the heating lamp 1101 reaches the preset temperature Next, control the third driving device 10 to drive the heating lamp tube 1101 to the preset heating position, and simultaneously heat the first end 13 and the second end 14 of the workpiece to be processed at the preset position to be heated. When the heating time satisfies the preset duration, the first driving device is controlled to drive the first workpiece fixing assembly 1 to drive the first end 13 to move in a direction close to the second end 14, and at the same time, the second driving device is controlled to drive the second workpiece fixing assembly 2 Drive the second end 14 to move towards the direction close to the first end 13; until the first end 13 and the second end 14 contact and complete the connection. The workpiece after welding can be obtained.

The application sets the workpiece positioning device so that the first end 13 and the second end 14 of the workpiece to be processed protrude to the same length into the interval, and after the first end 13 and the second end 14 are evenly heated by controlling the heating assembly, Connecting the first end and the second end, this way can make the welding position of the workpiece to be processed uniform and smooth, and this welding method avoids operations such as turning and pressing the workpiece to be processed, and is not easy to damage the workpiece.

The application has simple structure, high workpiece melting efficiency, no pollution, high precision and low risk of product damage.

What is disclosed above is only a preferred embodiment of the present application, which certainly cannot limit the scope of the present application. Therefore, equivalent changes made according to the claims of the present application still fall within the scope of the present application.

Claims (10)

1. A workpiece positioning device is characterized by comprising a first workpiece fixing component (1), a second workpiece fixing component (2) and a first driving device (3);

a gap is formed between the first workpiece fixing component (1) and the second workpiece fixing component (2);

the first workpiece fixing component (1) is used for fixing a first end (13) of a workpiece to be processed, and the second workpiece fixing component (2) is used for fixing a second end (14) of the workpiece to be processed, so that the first end (13) and the second end (14) are oppositely arranged in the interval;

the first driving device (3) is in driving connection with the first workpiece fixing component (1);

the first driving device (3) is used for driving the first workpiece fixing component (1) to move towards or away from the second workpiece fixing component (2).

2. The workpiece positioning device according to claim 1, further comprising a second drive device (4), the second drive device (4) being in driving connection with the second workpiece fixture assembly (2);

the second driving device (4) is used for driving the second workpiece fixing component (2) to move towards or away from the first workpiece fixing component (1).

3. The workpiece positioning device according to claim 1, characterized in that the first workpiece holding assembly (1) comprises a base plate (101) and a cover plate mechanism (102);

the cover plate mechanism (102) is covered on the substrate (101), and the first end (13) of the workpiece to be processed is positioned between the substrate (101) and the cover plate mechanism (102);

the first driving device (3) is in driving connection with the substrate (101);

the first driving device (3) is used for driving the base plate (101) to move towards or away from the second workpiece fixing component (2); the cover plate mechanism (102) moves synchronously with the base plate (101).

4. A workpiece positioning device as defined in claim 3, characterized in that the base plate (101) is provided with at least one positioning post (1011) and at least one first fixing member (1012);

the cover plate mechanism (102) is provided with at least one positioning hole (1021) and at least one second fixing piece (1022);

the positioning hole (1021) is sleeved on the positioning column (1011), and the first fixing piece (1012) is fixedly connected with the second fixing piece (1022);

the first fixing pieces (1012) correspond to the second fixing pieces (1022) one by one.

5. A workpiece positioning device as defined in claim 2, characterized by further comprising a base (5), a first support plate (6) and a second support plate (7); the first supporting plate (6) and the second supporting plate (7) are both connected with the base (5) in a sliding manner;

one end of the first driving device (3) far away from the first workpiece fixing component (1) is fixedly connected with the first supporting plate (6);

one end, far away from the second workpiece fixing component (2), of the second driving device (4) is fixedly connected with the second supporting plate (7);

the first supporting plate (6) can slide along the base (5) towards or away from the second supporting plate (7); the first driving device (3) and the first workpiece fixing component (1) move synchronously with the first supporting plate (6);

the second supporting plate (7) can slide along the base (5) to a direction close to or far away from the first supporting plate (6); the second drive (4) and the second workpiece fixing component (2) move synchronously with the second support plate (7).

6. A workpiece-positioning device as defined in claim 5, characterized in that it further comprises at least two positioning elements (8) and at least one position sensor (9); the positioning piece (8) and the position sensor (9) are both arranged on the base (5);

one positioning piece (8) is used for limiting and fixing the first supporting plate (6), and the other positioning piece (8) is used for limiting and fixing the second supporting plate (7);

the position sensor (9) is arranged on the base (5), and the position sensor (9) is used for detecting the position information of the first supporting plate (6) and the second supporting plate (7).

7. A workpiece welding system, characterized by comprising control means, third drive means (10), a heating assembly (11) and at least one workpiece positioning means (12); -said workpiece positioning device (12) is a workpiece positioning device (12) according to any of the claims 1 to 6;

the control device respectively controls the first driving device (3) to output a first driving force and controls the third driving device (10) to output a third driving force;

the control device controls the workpiece positioning device (12) to drive the workpiece to be processed to move to a preset position to be heated;

the third driving device (10) is used for driving the heating assembly (11) to move to a preset heating position, so that the heating assembly (11) performs heating treatment on a first end (13) and a second end (14) of the workpiece to be treated positioned at the preset heating position;

under the condition that the heating time of the heating assembly (11) at the preset heating position meets a preset time threshold, the first driving device (3) drives the first workpiece fixing assembly (1) to drive the first end (13) of the workpiece to be processed to move towards the direction close to the second end (14), so that the first end (13) is connected with the second end (14) in a matched mode.

8. The work piece welding system of claim 7, wherein said control means synchronously controls said first drive means (3) to output a first driving force and said second drive means (4) on said work piece positioning means (12) to output a second driving force, said first driving force being the same as said second driving force;

the first driving device (3) drives the first workpiece fixing component (1) to drive the first end (13) of the workpiece to be processed to move towards the direction close to the second end (14), and meanwhile, the second driving device (4) drives the second workpiece fixing component (2) to drive the second end (14) of the workpiece to be processed to move towards the direction close to the first end (13), so that the first end (13) is connected with the second end (14) in a matched mode.

9. The workpiece welding system of claim 7, wherein the heating assembly (11) comprises a heating lamp (1101), a lamp protection assembly (1102) disposed over the heating lamp (1101), and at least one guide shaft (1103) connected to the lamp protection assembly (1102);

one end of the third driving device (10) is in driving connection with the lamp tube protection component (1102); the guide shaft (1103) and the third driving device (10) are positioned on the same side of the lamp tube protection assembly (1102);

the third driving device (10) is connected with the guide shaft (1103) in a sliding way through a connecting piece;

the third driving device (10) is used for driving the heating lamp tube (1101) to reciprocate along the guide shaft (1103) through the lamp tube protection assembly (1102).

10. The workpiece welding system of claim 7, characterized in that it comprises four workpiece positioning devices (12);

the four workpiece positioning devices (12) are respectively in communication connection with the control device;

the control device can control the base (5) on the workpiece positioning device (12) to rotate, so that the workpiece positioning device (12) rotates to a preset position to be heated.

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