CN112792673B - Grinding machine grinding device - Google Patents

Abstract

The invention discloses a grinding device of a grinding machine, and relates to the technical field of grinding machine components. The grinding device comprises a bottom plate and a vertical plate, wherein the vertical plate is vertically arranged on the bottom plate, a motor is fixed on the vertical plate, a grinding part is fixed on a rotating shaft of the motor, a bearing plate positioned on the lower side of the grinding part is fixed on the vertical plate, and the grinding part comprises a framework and two grinding wheels which are respectively arranged on two sides of the framework; the framework comprises a first disk body and a connecting part, and the connecting part is arranged at the axis position of the first disk body; the two opposite side surfaces of the first tray body are provided with first annular grooves, and the first tray body is also provided with a drain hole and a water inlet hole. When the grinding part is driven to rotate by the motor, the opening and closing part arranged in the water inlet hole rotates towards the direction of the rotating shaft of the motor under the action of centrifugal force, so that the water inlet hole, the annular groove I and the annular groove II form a cavity to be communicated, water in the water pipe can enter the cavity and be discharged through the water discharge hole, and the grinding wheel is cooled.

Description

A grinder grinding device

technical field

The invention belongs to the technical field of grinding machine components, in particular to a grinding machine grinding device.

Background technique

Grinding wheels commonly used in engineering often generate a lot of grinding heat due to friction when grinding or cutting materials, which can easily cause burns and cracks on the surface of the workpiece, seriously affecting the surface processing quality of the workpiece.

In the prior art, most of them adopt the method of increasing the heat dissipation area or changing the configuration of the grinding wheel for heat transfer, and the passive heat dissipation method is used to achieve the purpose of heat dissipation; in addition, the heat attenuation on the surface of the grinding wheel affects the grinding effect.

Contents of the invention

The purpose of the present invention is to provide a kind of grinder grinding device, when the grinding part is driven by the motor to rotate, the opening and closing part installed in the water inlet hole will rotate to the direction of the rotation axis of the motor under the action of centrifugal force, so that the water inlet hole and the The ring groove 2 and the ring groove 1 form a cavity connected. The water inside the water pipe can enter the cavity and be discharged through the drain hole to realize the heat dissipation of the grinding wheel, effectively alleviating the problem of heat attenuation on the surface of the grinding wheel affecting the grinding effect, and solving the problem. The relevant problems raised in the background technology.

In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:

The invention relates to a grinding device for a grinding machine, comprising a bottom plate and a vertical plate, a vertical plate is vertically installed on the bottom plate, a motor is fixed on the vertical plate, and a grinding part is fixed on the rotating shaft of the motor, which is located on the The bearing plate on the lower side of the grinding part is fixed on the vertical plate, and the grinding part includes a skeleton, and two grinding wheel sheets respectively installed on both sides of the skeleton; A connecting portion is provided at the axis position; ring grooves 1 are opened on the opposite sides of the disc body 1, and a drainage hole and a water inlet hole are also opened on the disc body 1; wherein, the water inlet hole makes the connecting portion It communicates with the ring groove 1, and the drainage hole makes the ring groove 1 communicate with the outside; the grinding wheel sheet includes the disc body 2, and the ring groove 2 is opened on one end surface of the disk body 2, and the grinding wheel sheet passes through the ring groove 2 It is socketed on one end surface of the frame, and the connecting hole provided in the middle of the frame is socketed on the connecting part; wherein, the second ring groove and the first ring groove form a cavity.

Further, the connecting part includes an inner tube body and an outer tube body, and one end of the channel formed between the outer side surface of the inner tube body and the inner side surface of the outer tube body is closed.

Further, the water inlet is equipped with an opening and closing part, and the opening and closing part includes a guide rod, a connecting rod 1, a spring 1, a fixing block and a door body; A connecting hole, the inner side of the communicating hole is rotatably installed with a door body, the inner side of the door body is fixedly connected with a connecting rod one, and the connecting ends of the two connecting rods one are connected with the same end of the guide rod.

Further, a fixed block is sleeved on the guide rod, and the fixed block is respectively connected to the two connecting rods through two springs.

Further, the bottom surface of the ring groove 1 is evenly distributed with a plurality of groove bodies 1, and the bottom surface of the ring groove 2 is evenly distributed with a number of groove bodies 2; the groove body 1 and the groove body 2 are one by one. Correspondingly, a supporting part is installed between the corresponding tank body 1 and tank body 2.

Further, the support part includes an upper rod body, a lower rod body, a limit block and an elastic support member; the upper rod body is fitly installed in the second groove body, the lower rod body is fitly installed in the groove body one, and the upper rod body A limit block that can slide up and down is installed between the lower rod body and an elastic support member is installed between the upper rod body and the lower rod body.

Further, the elastic support includes a connecting rod 2, a telescopic rod, a spring 2 and a connecting rod; the upper rod body and the lower rod body are both rotatably installed with two relatively distributed connecting rods 2, and the connection between the two connecting rods 2 Both ends are rotatably mounted on the same connecting rod, and telescopic rods distributed along the length direction of the upper rod body or the lower rod body are slidably installed on the connecting rod. Spring two is sleeved on the telescopic rod, and the spring two pushes the telescopic rod away from the limit Block; Wherein, the end of the telescopic rod close to the limit block is equipped with a magnetic block, and the middle part of the limit block is provided with magnetic metal.

Further, several fixing holes are opened on the skeleton, and several light holes are opened on the grinding wheel sheet, and the fixing holes correspond to the light holes one by one; the grinding wheel sheet fixed at one end of the skeleton passes through the fixing holes and the light holes in sequence. The fixed connection bolt is fixed connection.

Further, the fixed connection bolt includes a cap body, a pin rod and a spring, the cap body is fitted in the optical hole, and the two cap bodies are connected by a pin rod, and a spring is sleeved on the pin rod three.

The present invention has the following beneficial effects:

1. In the present invention, the open end of the connection part is connected with a water supply pipe. When the motor drives the grinding part to rotate, the opening and closing part installed in the water inlet hole will rotate in the direction of the principle motor rotation axis under the action of centrifugal force, so that the water enters The hole and the ring groove 2 and the ring groove 1 form a cavity connected. The water inside the water pipe can enter the cavity and be discharged through the drainage hole to realize the heat dissipation of the grinding wheel and effectively alleviate the problem of heat attenuation on the surface of the grinding wheel affecting the grinding effect. At the same time, the discharged water falls on the polished workpiece to clean and cool the surface of the workpiece, so as to alleviate the high surface temperature of the workpiece and the problem of wire drawing that is prone to occur during the grinding process.

2. In the present invention, during the rotation of the grinding part, the opening and closing part rotates with it, and a metal ball is installed at the end of the guide rod, which increases its weight and increases the centrifugal force received during the rotation, thereby pushing the two connecting rods to shrink, and Rotate in a direction away from the axis to drive the door to rotate to open the through hole. In addition, when the speed increases, the centrifugal force on the guide rod increases, which increases the opening angle of the door and increases the water intake, effectively improving heat dissipation. effect to achieve automatic adjustment.

3. During the rotation process of the grinding part of the present invention, the provided telescopic rod receives the action of centrifugal force, so that the end of the telescopic rod provided with the magnetic block moves to the side of the magnetic metal provided in the middle of the limit block, changing the connecting rod two The rotation angle can change the gap between the upper rod body and the lower rod body, increase the water flow, and improve the heat dissipation effect; when the distance between the magnetic block and the magnetic metal is less than the minimum adsorption distance of the magnetic block, the mutual adsorption between the magnetic block and the magnetic metal can be realized , to achieve the fixed distance between the upper rod body and the lower rod body, to achieve the maximum water flow, to maintain a stable heat dissipation effect, and when there is no force, the installed spring 2 pushes it to reset and realize automatic adjustment.

Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the structure of the grinding part of the present invention;

Fig. 3 is a schematic diagram of the linear section structure where the drain hole and the water inlet hole are located in the grinding part of the present invention;

Fig. 4 is a schematic diagram of the enlarged structure at A of Fig. 3 of the present invention;

Fig. 5 is a schematic diagram of the linear section structure where the support part is located in the grinding part of the present invention;

Figure 6 is a schematic diagram of the enlarged structure at B of Figure 5 of the present invention;

Fig. 7 is a schematic diagram of the linear section structure where two fixed connecting bolts are located in the grinding part of the present invention;

Fig. 8 is a schematic diagram of an enlarged structure at C of Fig. 7 of the present invention;

Fig. 9 is a schematic diagram of the skeleton structure of the present invention;

Fig. 10 is a schematic diagram of the structure of the grinding wheel sheet of the present invention.

In the accompanying drawings, the list of parts represented by each label is as follows:

1-bottom plate, 2-vertical plate, 3-motor, 4-loading plate, 5-grinding part, 6-skeleton, 601-disc body 1, 602-ring groove 1, 603-groove body 1, 604-connection part, 6041-inner pipe body, 6042-outer pipe body, 605-fixing hole, 606-drainage hole, 6061-communication hole, 607-water inlet hole, 7-grinding wheel, 701-disc body two, 702-ring groove two, 703-Slot body 2, 704-Light hole, 8-Opening and closing part, 801-Guide rod, 802-Connecting rod 1, 803-Spring 1, 804-Slider, 805-Door body, 9-Support part, 901- Upper rod body, 902-lower rod body, 903-limiting block, 904-connecting rod two, 905-telescopic rod, 906-spring two, 907-connecting block, 10-fixed connecting bolt, 1001-cap body, 1002-pin rod , 1003-spring three, 11-cavity.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In describing the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "surrounding" etc. Indicating orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention .

See also shown in Fig. 1-10, the present invention is a kind of grinder polishing device, comprises base plate 1 and vertical plate 2, and vertical plate 2 is installed vertically on the base plate 1, and motor 3 is fixed on the vertical plate 2, and the rotation of motor 3 A grinding part 5 is fixed on the shaft, and the bearing plate 4 located on the lower side of the grinding part 5 is fixed on the vertical plate 2. The grinding part 5 includes a skeleton 6 and two grinding wheel pieces 7 respectively installed on both sides of the skeleton 6;

The skeleton 6 includes a disc body one 601 and a connecting portion 604, the axis position of the disc body one 601 is provided with a connecting portion 604; the opposite side surfaces of the disc body one 601 are provided with a ring groove one 602, and the disc body one 601 is also provided with a ring groove one 602 Drainage hole 606 and water inlet hole 607; Wherein, water inlet hole 607 makes connecting part 604 communicate with ring groove one 602, and drain hole 606 makes ring groove one 602 communicate with the outside; Grinding wheel sheet 7 includes disc body two 701, disc body two One end surface of 701 is provided with ring groove 2 702, and the grinding wheel sheet 7 is socketed on one end surface of skeleton 6 through ring groove 2 702, and the connection hole provided in the middle of skeleton 6 is socketed on the connection part 604; wherein, the ring The second groove 702 and the first ring groove 602 form a cavity 11 .

During use, the open end of the connecting part 604 is connected with a water supply pipe, and when the motor 3 drives the grinding part 5 to rotate, the opening and closing part 8 installed in the water inlet 607 rotates toward the principle motor 3 under the action of centrifugal force. Rotate in the direction of the shaft, so that the water inlet hole 607 and the ring groove 2 702 and the ring groove 1 602 form a cavity 11 in communication, and the water inside the water pipe can enter the cavity 11 and be discharged through the drain hole 606 to realize the heat dissipation of the grinding wheel 7 , effectively alleviate the problem of heat attenuation on the surface of the grinding wheel that affects the grinding effect, and at the same time, the discharged water falls on the polished workpiece to clean and cool the surface of the workpiece, alleviating the high surface temperature of the workpiece, which is prone to wire drawing during the grinding process question.

The connection part 604 includes an inner tube body 6041 and an outer tube body 6042. The channel formed between the outer surface of the inner tube body 6041 and the inner surface of the outer tube body 6042 is closed at one end, and a water supply pipe is connected to the opening end of the channel to realize water supply and heat dissipation.

The water inlet 607 is equipped with an opening and closing part 8, and the opening and closing part 8 includes a guide rod 801, a connecting rod one 802, a spring one 803, a fixed block 804 and a door body 805;

The inner wall of the water inlet 607 is provided with two communicating holes 6061 that are relatively distributed. The inner side of the communicating hole 6061 is rotatably mounted with a door body 805, and the inner side of the door body 805 is fixedly connected with a connecting rod one 802, and the connecting ends of the two connecting rods one 802 It is connected with the same end of the guide rod 801.

A fixed block 804 is sleeved on the guide rod 801, and the fixed block 804 is connected to the two connecting rods 1802 through two springs 1 803 respectively.

During the rotation of the grinding part 5, the opening and closing part 8 rotates with it, and the end of the guide rod 801 is equipped with a metal ball, which increases its weight and increases the centrifugal force received during the rotation, thereby pushing the two connecting rods one 802 to shrink, and Rotate in a direction away from the axis, so as to drive the door body 805 to rotate to realize the opening of the through hole 6061. In addition, when the speed increases, the centrifugal force on the guide rod 801 increases, so that the opening angle of the door body 805 increases, and the water intake increases. Effectively improve the heat dissipation effect and realize automatic adjustment.

The bottom surface of ring groove one 602 is annularly evenly distributed with some groove bodies 603, and the bottom surface of ring groove two 702 is annularly evenly distributed with some groove body two 703; A supporting part 9 is installed between the corresponding first tank body 603 and the second tank body 703 . The support part 9 includes an upper rod body 901, a lower rod body 902, a limit block 903 and an elastic support member; the upper rod body 901 is fitted in the groove body two 703, the lower rod body 902 is fitted in the groove body one 603, and the upper rod body 901 and the lower body body A limit block 903 that can slide up and down is installed between the rod bodies 902 , and an elastic support member is installed between the upper rod body 901 and the lower rod body 902 . The elastic support includes connecting rod two 904, telescopic rod 905, spring two 906 and connecting rod 907; the upper rod body 901 and the lower rod body 902 are equipped with two relatively distributed connecting rod two 904, and the connecting ends of the two connecting rod two 904 They are all rotatably mounted on the same connecting rod 907, and the connecting rod 907 is slidably installed with a telescopic rod 905 distributed along the length direction of the upper rod body 901 or the lower rod body 902, and the telescopic rod 905 is sleeved with a spring 2 906, and the spring 2 906 pushes the telescopic rod 905 away from the limit block 903;

Wherein, a magnetic block is installed on the end of the telescopic rod 905 close to the limit block 903 , and a magnetic metal is arranged in the middle of the limit block 903 .

During the rotation process of the grinding part 5, the provided telescopic rod 905 receives the effect of centrifugal force, so that the end of the telescopic rod 905 provided with the magnetic block moves to the magnetic metal side provided with the middle part of the stop block 903, changing the connecting rod two The rotation angle of 904 changes the gap between the upper rod body 901 and the lower rod body 902, increases the water flow, and improves the heat dissipation effect; when the distance between the magnetic block and the magnetic metal is less than the minimum adsorption distance of the magnetic block, the magnetic block and the magnetic block are realized. The metals are adsorbed to each other to realize the fixed distance between the upper rod body 901 and the lower rod body 902 to achieve the maximum water flow and maintain a stable heat dissipation effect. When there is no force, the installed spring 906 pushes it to reset and realize automatic adjustment.

There are several fixing holes 605 on the skeleton 6, and several light holes 704 are arranged on the grinding wheel sheet 7, and the fixing holes 605 correspond to the light holes 704 one by one; the grinding wheel sheet 7 fixed at one end of the skeleton 6 passes through the light holes 704 and the fixing holes The fixed connection bolt 10 of 605 is fixedly connected. The fixed connection bolt 10 includes a cap body 1001, a pin rod 1002 and a spring three 1003. The cap body 1001 is fitted in the light hole 704, and the two cap bodies 1001 are connected by a pin rod 1002, and a spring three 1003 is sleeved on the pin rod 1002. , the fixed connection bolt 10 that is provided with is simple in structure and is convenient to realize fixing and dismounting, and also connects by pin bar 1002 spring three 1003 between cap body 1001 simultaneously, is convenient to realize the change of the distance between skeleton 6 and grinding wheel sheet 7.

In the description of this specification, descriptions with reference to the terms "one embodiment", "example", "specific example" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment of the present invention. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (7)

1. The utility model provides a grinding machine grinding device, includes bottom plate (1) and riser (2), vertical riser (2) of installing on bottom plate (1), be fixed with motor (3) on riser (2), be fixed with portion of polishing (5) in the axis of rotation of motor (3), be located bearing board (4) of the downside of portion of polishing (5) are fixed on riser (2), its characterized in that:

the grinding part (5) comprises a framework (6) and two grinding wheels (7) which are respectively arranged on two sides of the framework (6);

the framework (6) comprises a first tray body (601) and a connecting part (604), wherein the connecting part (604) is arranged at the axis position of the first tray body (601); two opposite side surfaces of the first tray body (601) are provided with first annular grooves (602), and the first tray body (601) is also provided with a water drainage hole (606) and a water inlet hole (607);

wherein the water inlet hole (607) enables the connecting part (604) to be communicated with the first ring groove (602), and the water outlet hole (606) enables the first ring groove (602) to be communicated with the outside;

the grinding wheel (7) comprises a second disc body (701), a second annular groove (702) is formed in one end face of the second disc body (701), the grinding wheel (7) is sleeved on one end face of the framework (6) through the second annular groove (702), and meanwhile a connecting hole formed in the middle of the framework (6) is sleeved on the connecting portion (604);

the second ring groove (702) and the first ring groove (602) form a cavity (11);

the water inlet hole (607) is provided with an opening and closing part (8), the opening and closing part (8) comprises a guide rod (801), a first connecting rod (802), a first spring (803), a fixed block (804) and a door body (805), the inner wall of the water inlet hole (607) is provided with two communicating holes (6061) which are distributed oppositely, the inner side of each communicating hole (6061) is rotatably provided with the door body (805), the inner side of the door body (805) is fixedly connected with the first connecting rod (802), and the connecting ends of the first connecting rods (802) are connected with the same end part of the guide rod (801);

the guide rod (801) is sleeved with a fixing block (804), and the fixing block (804) is connected with the first connecting rod (802) through the first spring (803).

2. A grinding apparatus of a grinding machine as claimed in claim 1, characterized in that the connection part (604) comprises an inner tube (6041) and an outer tube (6042), the channel formed between the outer side of the inner tube (6041) and the inner side of the outer tube (6042) being closed at one end.

3. A grinding device of a grinding machine according to claim 1, characterized in that a plurality of first groove bodies (603) are annularly and uniformly distributed on the bottom surface of the first ring groove (602), and a plurality of second groove bodies (703) are annularly and uniformly distributed on the bottom surface of the second ring groove (702);

the first groove bodies (603) correspond to the second groove bodies (703) one by one, and supporting parts (9) are arranged between the corresponding first groove bodies (603) and the corresponding second groove bodies (703).

4. A grinding apparatus of a grinding machine according to claim 3, characterized in that the supporting part (9) comprises an upper rod body (901), a lower rod body (902), a limiting block (903) and an elastic supporting part;

the upper rod body (901) is installed in the second groove body (703) in a matched mode, the lower rod body (902) is installed in the first groove body (603) in a matched mode, a limiting block (903) capable of sliding up and down is installed between the upper rod body (901) and the lower rod body (902), and meanwhile, an elastic supporting piece is installed between the upper rod body (901) and the lower rod body (902) in a matched mode.

5. A grinding apparatus of a grinding machine as claimed in claim 4, characterized in that said elastic support member comprises a second connecting rod (904), a telescopic rod (905), a second spring (906) and a connecting rod (907);

the upper rod body (901) and the lower rod body (902) are respectively rotatably provided with two connecting rods (904) which are distributed oppositely, the connecting ends of the two connecting rods (904) are respectively rotatably arranged on the same connecting rod (907), the connecting rod (907) is provided with a telescopic rod (905) which is distributed along the length direction of the upper rod body (901) or the lower rod body (902) in a sliding manner, the telescopic rod (905) is sleeved with a second spring (906), and the second spring (906) pushes the telescopic rod (905) to be far away from the limiting block (903);

wherein, the magnetic block is installed to the one end that telescopic link (905) are close to stopper (903), and stopper (903) middle part is equipped with magnetic metal.

6. A grinding device of a grinding machine according to claim 1, characterized in that the framework (6) is provided with a plurality of fixing holes (605), the grinding wheel (7) is provided with a plurality of light holes (704), and the fixing holes (605) correspond to the light holes (704) one by one;

and the grinding wheel (7) fixed at one end of the framework (6) is fixedly connected through a fixed connecting bolt (10) which sequentially penetrates through the unthreaded hole (704) and the fixing hole (605).

7. A grinding machine grinding device according to claim 6, characterized in that the fixed connection bolt (10) comprises a cap body (1001), a pin rod (1002) and a spring III (1003), the cap body (1001) is installed in the unthreaded hole (704) in a matching mode, the cap body (1001) is connected with the pin rod (1002), and the spring III (1003) is sleeved on the pin rod (1002).

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