CN104014967B - Tool positioner - Google Patents

Abstract

The invention provides a tool positioner, which includes a tool frame and at least one positioning mechanism. Each positioning mechanism includes: a seat body, which is arranged on the tooling frame; a frame body, which is arranged on the seat body; a pin seat, which is fixed on one end of the frame body in the X-axis direction; The pin holes of the fitting engage and position and clamp the fitting; drive the assembly. The driving assembly includes: a sliding seat, which is arranged between the base body and the frame body, including a slider and a nut; a pair of slide rails, which extend along the X-axis direction and are fixedly connected to the frame body and form a moving pair with the slider; the front bracket, which will One end of a pair of slide rails in the X-axis direction is connected and fixedly connected under the frame body; the rear bracket connects the other end of the pair of slide rails in the X-axis direction and is fixedly connected under the frame body; the front bearing is arranged on the front bracket the upper part; the rear bearing is arranged on the rear support; the lead screw is arranged on the nut and the slider, one end is connected to the front bearing, and the other end is connected to the rear bearing; the handwheel is connected to the rear bearing.

Description

Fixture Locator

technical field

The invention relates to a tooling system in automation equipment and manufacturing, in particular to a tooling positioner.

Background technique

In modern automation equipment and manufacturing, the tooling link of the equipment determines the accuracy and reliability of the subsequent manufacturing and assembly links. Especially for large and complex equipment, multiple locators are required to locate the key points of the equipment. and clamped. During the tooling process of large equipment parts, due to the manufacturing error of the equipment parts, the actual shape of the large equipment parts may be slightly different from the theoretical shape, so many completely fixed positioners make the tooling operation difficult and bring huge internal stress ; At the same time, the completely fixed locator may interfere with the installation and attitude adjustment track of the components during tooling.

Contents of the invention

In view of the problems existing in the background technology, the purpose of the present invention is to provide a tool positioner, which can reduce the internal stress of the equipment when tooling.

In order to achieve the above object, the present invention provides a tool positioner, which includes a tool frame and at least one positioning mechanism. Each positioning mechanism includes: a seat body, which is arranged on the tooling frame; a frame body, which is arranged on the seat body; a pin seat, which is fixed on one end of the frame body in the X-axis direction; The pin holes of the fitting engage and position and clamp the fitting; and the drive assembly. The driving assembly includes: a slide seat, which is arranged between the base body and the frame body, including a slide block and a nut; a pair of slide rails, which extend along the X-axis direction and are fixedly connected to the frame body and form a moving pair with the slide block of the slide seat; The bracket connects and fixedly connects one end of the pair of slide rails in the X-axis direction under the frame body; the rear bracket connects and fixedly connects the other end of the pair of slide rails in the X-axis direction under the frame body; the front bearing sets On the front bracket; the rear bearing is set on the rear bracket; the lead screw is passed through the nut and slider of the slide seat, one end is connected to the front bearing, and the other end is connected to the rear bearing; and the hand wheel is connected to the rear bearing .

The beneficial effects of the present invention are as follows:

The tool locator of the present invention can facilitate workers to directly operate through the hand wheel, move the frame body and the positioning pin on the frame body to move relative to the base body, and rely on the positioning pin to locate and clamp the equipment parts, by the tool positioner of the present invention. This can facilitate the tooling operation and adapt to the actual shape of the equipment, reduce the internal stress of the equipment during tooling, the difficulty and time consumption of tooling, and avoid the large internal force of the equipment due to machining errors and rigid tooling. stress.

Description of drawings

Fig. 1 is a perspective view of a tool positioner according to the present invention;

Fig. 2 is a perspective view of the positioning mechanism of the tool positioner according to the present invention;

Fig. 3 is a perspective view viewed from below of the positioning mechanism of the tool positioner according to the present invention;

Fig. 4 is a partial perspective view of the positioning mechanism of the tool positioner according to the present invention;

Fig. 5 is a top view of the positioning mechanism of the tool positioner according to the present invention.

Wherein, the reference signs are explained as follows:

1 tooling rack 253 front bracket

2 positioning mechanism 254 rear bracket

21 seat body | 255 front bearing

C concentric ring 256 rear bearing

22 frame body 257 lead screw

221 screw hole 258 handwheel

23 pin seat 26 first adjustment component

24 locating pins 261 fixing bolts

25 drive components 262 studs

251 Sliding seat 27 The second adjustment component

2511 slider 271 first bolt

2512 Nut 2711 Bolt Hole

2513 screw hole 272 second bolt

252 slide rails 28 screws

Detailed ways

The tool positioner according to the present invention will be described in detail below with reference to the accompanying drawings.

Referring to FIGS. 1 to 5 , the tool positioner according to the present invention includes: a tool frame 1 ; and at least one positioning mechanism 2 . Each positioning mechanism 2 includes: a seat body 21, which is arranged on the tooling frame 1; a frame body 22, which is arranged on the seat body 21; a pin seat 23, which is fixed on one end of the frame body 22 in the X-axis direction; a positioning pin 24, fixed to a pin seat 23 for engaging a pin hole of a piece of equipment (not shown) and positioning and clamping the piece of equipment; and a drive assembly 25 . The driving assembly 25 includes: a sliding seat 251 disposed between the base body 21 and the frame body 22, including a sliding block 2511 and a nut 2512; a pair of slide rails 252 extending along the X-axis direction and fixedly connected to the frame body 22 and connected to the sliding seat The slider 2511 of 251 constitutes a moving pair; the front bracket 253 connects one end of a pair of slide rails 252 in the X-axis direction and is fixedly connected to the bottom of the frame body 22; the rear bracket 254 connects one end of the pair of slide rails 252 in the X-axis direction The other end is connected and fixedly connected below the frame body 22; the front bearing 255 is arranged on the front bracket 253; the rear bearing 256 is arranged on the rear bracket 254; the lead screw 257 is passed through the nut 2512 and the slider of the slide seat 251 2511, one end is connected to the front bearing 255, and the other end is connected to the rear bearing 256; and the handwheel 258 is connected to the rear bearing 256.

The tool locator of the present invention can facilitate workers to directly operate and move the frame body 22 and the positioning pin 24 on the frame body 22 relative to the seat body 21 through the handwheel when performing tooling, and rely on the positioning pin 24 to position the equipment parts and clamping, so that it is convenient to perform tooling operations and adapt to the actual shape of the equipment, reduce the internal stress of the equipment during tooling, the difficulty of tooling and the time-consuming amount, and avoid the equipment parts caused by machining errors and rigid chemical equipment. produce greater internal stress.

In an embodiment of the positioning mechanism 2 , referring to FIGS. 1 to 5 , each positioning mechanism 2 may further include: a first adjusting component 26 . The first adjustment assembly 26 includes: four pairs of fixing bolts 261, each pair of fixing bolts 261 connects the base body 21 and the tool frame 1 at a corner of the base body 21; and four studs 262, the axis of each stud 262 Parallel to the Z-axis, each stud 262 is located between a corresponding pair of fixing bolts 261, threaded through the seat body 21 and contacts the upper surface of the tooling frame 1, and each stud 262 is threaded through the seat body 21 to a certain extent. Adjust the height of the seat body 21 relative to the tooling frame 1 .

In one embodiment, the four studs 262 are threaded through the base body 21 to the same degree, so that the base body 21 can translate relative to the tool frame 1 along the Z axis. In this way, the fine adjustment of the height of the seat body 21 is realized, thereby realizing the fine adjustment of the height of the frame body 22 and the positioning pin 24 on the seat body 21, so as to adapt to the actual shape of the equipment, reduce the difficulty of tooling and avoid the large size of the equipment during tooling. internal stress.

In one embodiment, the two studs 262 on one side of the seat body 21 along the Y-axis direction are threaded through the seat body 21 to the same extent, and the two studs 262 on the other side of the seat body 21 along the Y-axis direction The extent to which the studs 262 are threaded out of the seat body 21 is the same, but the degree to which the two studs 262 threaded out of the seat body 21 on the side of the seat body 21 along the Y-axis direction is the same as that on the edge of the seat body 21 . The two studs 262 on the other side of the Y-axis direction are threaded through the seat body 21 to different extents, so that the seat body 21 rotates in the YOZ plane around the X-axis direction relative to the tooling frame 1 . In this way, the fine adjustment of the angle around the X-axis direction of the seat body 21 is realized, thereby realizing the fine-tuning of the angle around the X-axis direction of the frame body 22 and the positioning pin 24 on the seat body 21, so as to adapt to the actual shape of the equipment and reduce the difficulty of tooling And avoid the large internal stress of the equipment during tooling.

In one embodiment, the two studs 262 on one side of the seat 21 along the X-axis direction are threaded through the seat 21 to the same degree, and the two studs 262 on the other side of the seat 21 along the X-axis direction The extent to which the studs 262 are threaded out of the seat body 21 is the same, but the degree to which the two studs 262 threaded out of the seat body 21 on the side of the seat body 21 along the X-axis direction is the same as that on the edge of the seat body 21. The two studs 262 on the other side of the X-axis direction are threaded through the base body 21 to different extents, so that the base body 21 rotates in the XOZ plane around the Y-axis direction relative to the tooling frame 1 . In this way, the fine adjustment of the angle around the Y-axis direction of the seat body 21 is realized, thereby realizing the fine-tuning of the angle around the Y-axis direction of the frame body 22 and the positioning pin 24 on the seat body 21, so as to adapt to the actual shape of the equipment and reduce the difficulty of tooling And avoid the large internal stress of the equipment during tooling.

In an embodiment of the positioning mechanism 2 , referring to FIG. 4 and FIG. 5 , a concentric ring C is provided at the center of the seat body 21 of each positioning mechanism 2 . Each positioning mechanism 2 may further include: a second adjusting component 27 . The second adjustment assembly 27 includes: four first bolts 271, the axis of each first bolt 271 is parallel to the Z axis, and each first bolt 271 places the slider 2511 at a corresponding corner of the slider 2511 of the slider 251 Connected with the seat body 21, the bolt holes 2711 of the four first bolts 271 are arc slotted holes, so that the slider 2511 of the slide seat 251 takes the concentric ring C as the center of rotation when the four first bolts 271 are not tightened. Rotate relative to the base body 21 around the Z axis. Thus, fine-tuning of the swing angle around the Z-axis of the positioning pin 24 is realized, so that workers can adjust the swing angle of the positioning pin 24 as required, so that the tool positioner has a small degree of freedom to adapt to the actual shape of the equipment, reducing the Difficulty of tooling and avoid large internal stress of equipment parts during tooling.

In an embodiment of the second adjustment assembly 27, referring to Fig. 1 to Fig. 3, the second adjustment assembly 27 may further include: two second bolts 272, the axes of which are parallel to the Y-axis and oppositely located on the frame body along the Y-axis The two sides of 22, the screw thread is set on the seat body 21, so that when the four first bolts 271 are not tightened, one second bolt 272 is screwed in and contacts the frame body 22 and the other second bolt 272 is screwed out, so that the frame The body 22 and the sliding block 2511 of the sliding seat 251 rotate relative to the seat body 21 around the Z axis with the concentric ring C as the rotation center.

In an embodiment of the tool positioner according to the present invention, the rear bearing 256 of the driving assembly 25 may be a one-way bearing. Through the one-way bearing, the reaction force of the equipment acting on the positioning pin 24 and the frame body 22 cannot cause the rotation of the lead screw 257, and the mechanism is self-locking to ensure sufficient clamping performance of the positioning pin 24.

In one embodiment of the tool positioner according to the present invention, with reference to Fig. 1, Fig. 2, Fig. 4 and Fig. 5, the frame body 22 is provided with a plurality of screw holes 221 in a straight line; the slider 2511 of the slide seat 251 is provided with Screw hole 2513. Each positioning mechanism 2 can also include: screw 28, when the hand wheel 258 of drive assembly 25 passes through leading screw 257, slide rail 252 and the sliding block 2511 of sliding seat 251 constituted mobile sub-drive frame body 22 and then drives positioning pin 24 to equipment When the corresponding pin hole of the piece is moved to a designated position, it is screwed into the corresponding screw hole 221 of the frame body 22 and the screw hole 2513 of the slider 2511. Workers can conveniently perform tooling operations, move the positioning pin 24 according to requirements, and ensure the effective positioning performance of the positioning pin 24 through the screw 28 .

In an embodiment of the tool positioner according to the present invention, the number of positioning mechanisms 2 is the same as the number of pin holes for the equipment. The number of positioning mechanisms 2 shown in FIG. 1 is two, but it is not limited to this in practice.

Claims (10)

1. a tool positioner, is characterized in that, comprising:

Machine frame (1); And

At least one detent mechanism (2), each detent mechanism (2) comprising:

Pedestal (21), is arranged on machine frame (1);

Support body (22), is arranged on pedestal (21);

Key seat (23), is fixed on one end in the X-axis direction of support body (22);

Alignment pin (24), is fixed on key seat (23), for engaging the pin-and-hole of Equipment Part and positioned by Equipment Part and clamp; And

Driven unit (25), comprising:

Slide (251), is arranged between pedestal (21) and support body (22), comprises slide block (2511) and nut (2512);

A pair slide rail (252), is positioned at support body (22) below, extends and form moving sets with the slide block (2511) of slide (251) along X-direction;

Fore-stock (253), be positioned at support body (22) below, one end of the X-direction of a pair slide rail (252) connected and both sides are in the Y direction fixedly connected on support body (22) from the below of support body (22);

After-poppet (254), be positioned at support body (22) below, the other end of the X-direction of a pair slide rail (252) connected and both sides are in the Y direction fixedly connected on support body (22) from the below of support body (22);

Fore bearing (255), is arranged on fore-stock (253);

Rear bearing (256), is arranged on after-poppet (254);

Leading screw (257), is arranged in the nut (2512) of slide (251) and slide block (2511), one end are connected to fore bearing (255) and the other end is connected to rear bearing (256); And

Handwheel (258), is connected to rear bearing (256).

2. tool positioner according to claim 1, is characterized in that, each detent mechanism (2) also comprises:

First adjusting part (26), comprising:

Four pairs of set bolts (261), pedestal (21) is connected with machine frame (1) at the bight place of pedestal (21) by every a pair set bolt (261); And

Four studs (262), the axis being parallel of each stud (262) is in Z axis, each stud (262) is positioned between corresponding a pair set bolt (261), screw thread is arranged in pedestal (21) and contacts the upper surface of machine frame (1), and each stud (262) wears out the degree of pedestal (21) by screw thread and regulates the height of the relative machine frame (1) of pedestal (21).

3. tool positioner according to claim 2, is characterized in that, the degree that four stud (262) screw threads wear out pedestal (21) is all identical, with make pedestal (21) relatively machine frame (1) along Z axis translation.

4. tool positioner according to claim 2, it is characterized in that, the degree wearing out pedestal (21) at two stud (262) screw threads of the side along Y direction of pedestal (21) is all identical, the degree wearing out pedestal (21) at two stud (262) screw threads of the opposite side along Y direction of pedestal (21) is all identical, but the degree that two stud (262) screw threads of the degree and the described opposite side along Y direction at pedestal (21) that wear out pedestal (21) at two stud (262) screw threads of the described side along Y direction of pedestal (21) wear out pedestal (21) is different, rotate in YOZ face around X-direction relative to machine frame (1) to make pedestal (21).

5. tool positioner according to claim 2, it is characterized in that, the degree wearing out pedestal (21) at two stud (262) screw threads of the side along X-direction of pedestal (21) is all identical, the degree wearing out pedestal (21) at two stud (262) screw threads of the opposite side along X-direction of pedestal (21) is all identical, but the degree that two stud (262) screw threads of the degree and the described opposite side along X-direction at pedestal (21) that wear out pedestal (21) at two stud (262) screw threads of the described side along X-direction of pedestal (21) wear out pedestal (21) is different, rotate in XOZ face around Y direction relative to machine frame (1) to make pedestal (21).

6. tool positioner according to claim 1, is characterized in that, the center of the pedestal (21) of each detent mechanism (2) is provided with donut (C), and each detent mechanism (2) also comprises:

Second adjusting part (27), comprising:

Four the first bolts (271), the axis being parallel of each first bolt (271) is in Z axis, slide block (2511) is connected with pedestal (21) at the correspondence bight place of the slide block (2511) of slide (251) by each first bolt (271), the bolt hole (2711) of four the first bolts (271) is arc groove hole, to make the slide block (2511) of slide (251) when four the first bolts (271) are not tightened with donut (C) for pivot rotates relative to pedestal (21) around Z axis.

7. tool positioner according to claim 6, is characterized in that, the second adjusting part (27) also comprises:

Two the second bolts (272), axis being parallel is arranged in pedestal (21) in Y-axis, the both sides relatively laying respectively at support body (22) along Y-axis, screw thread, to be screwed into by second bolt (272) when four the first bolts (271) are not tightened and to contact support body (22) and another second bolt (272) is back-outed, and the slide block (2511) making support body (22) and slide (251) together with donut (C) for pivot rotates relative to pedestal (21) around Z axis.

8. tool positioner according to claim 1, is characterized in that, the rear bearing (256) of driven unit (25) is unilateral bearing.

9. tool positioner according to claim 1, is characterized in that, support body (22) is provided with multiple screw (221) in line;

The slide block (2511) of slide (251) is provided with screw (2513);

Each detent mechanism (2) also comprises;

Screw (28), when the handwheel (258) of driven unit (25) drives support body (22) via the moving sets that the slide block (2511) of leading screw (257), slide rail (252) and slide (251) is formed and then drive alignment pin (24) to move to assigned address to the respective pin hole of Equipment Part, be screwed in the corresponding screw (221) of support body (22) and the screw (2513) of slide block (2511).

10. tool positioner according to claim 1, is characterized in that, the quantity of detent mechanism (2) is identical with the quantity of the pin-and-hole to Equipment Part.