Plate heat treatment clamping device

Abstract

The utility model relates to a plate heat treatment clamping device which comprises a first clamping plate and a second clamping plate, a clamping space is formed between the first clamping plate and the second clamping plate, the second clamping plate is connected with a limiting piece, the limiting piece is provided with an opening, and a bayonet is formed between the side wall of the opening and the first clamping plate; the thickness of the pressing block is gradually reduced from one end to the other end, the small-thickness end of the pressing block penetrates through the opening, the pressing block abuts against the first clamping plate, and the pressing block is connected with the clamping opening in a clamped mode. The plate heat treatment clamping device disclosed by the utility model can improve the production efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping device technical field especially relates to a board heat treatment clamping device. BACKGROUND

[0002] Circular sheet metal parts are widely used in electronic, automotive, military and other industries, such as automotive gearbox, positioning disc, ratchet, planetary gear and other parts. In the process of part production and processing, the circular sheet metal needs to be overall quenched or carburizing quenched, but due to the large area of the circular sheet metal and the thin overall, the circular sheet metal will deform after heat treatment, which cannot meet the production requirements, and needs to be polished, pressed and processed after heat treatment, and then produced, which leads to low production efficiency. SUMMARY

[0003] Therefore, the utility model wants to solve the technical problem of providing a board heat treatment clamping device, which can improve production efficiency.

[0004] To solve the above technical problems, the utility model provides a board heat treatment clamping device, which comprises: a first clamping plate; a second clamping plate, the first clamping plate and the second clamping plate form a clamping space, the second clamping plate is connected with a limiting piece, the limiting piece is provided with an opening, the side wall of the opening and the first clamping plate form a bayonet; a pressing block, the thickness of the pressing block gradually decreases from one end to the other end, the small end of the pressing block penetrates through the opening, the pressing block abuts against the first clamping plate, and the pressing block is connected with the bayonet.

[0005] In an embodiment of the utility model, the limiting piece is provided with a plurality of limiting pieces and is arranged along the edge of the second clamping plate, and the limiting piece is connected with the side wall of the second clamping plate.

[0006] In an embodiment of the utility model, the plane of the first clamping plate is parallel to the plane of the second clamping plate, and the first clamping plate is provided with a plurality of first heat dissipation holes.

[0007] In an embodiment of the utility model, the second clamping plate is provided with a plurality of second heat dissipation holes, the positions of the second heat dissipation holes correspond to the positions of the first heat dissipation holes, and the sizes of the second heat dissipation holes are equal to the sizes of the first heat dissipation holes.

[0008] In an embodiment of the utility model, the limiting piece comprises a connecting part and a blocking part, the blocking part is connected to the end of the connecting part, the connecting part is connected with the second clamping plate, the opening is located between the two connecting parts, and the plane of the blocking part is parallel to the plane of the first clamping plate.

[0009] In one embodiment of the utility model, the pressing block includes a guide surface, the plane where the guide surface is located forms an acute angle with the plane where the first clamping plate is located, and the guide surface abuts against the blocking part.

[0010] In one embodiment of the utility model, the first clamping plate is provided with a first positioning hole at the center position, the second clamping plate is provided with a second positioning hole, the first positioning hole corresponds in position to the second positioning hole, and the first positioning rod penetrates through the first positioning hole and the second positioning hole.

[0011] In one embodiment of the utility model, the side wall of the first positioning rod is provided with a thread, a fastener is fitted and sleeved on the first positioning rod, and the fastener abuts against the first clamping plate.

[0012] In one embodiment of the utility model, the first clamping plate is provided with a first positioning hole at the center position, the second clamping plate is provided with a second positioning hole, the first positioning hole corresponds in position to the second positioning hole, and the first positioning rod penetrates through the first positioning hole and the second positioning hole.

[0013] In one embodiment of the utility model, the side wall of the pressing block is provided with a first mounting hole, and the first mounting hole is connected with the stop block.

[0014] The above technical scheme of the utility model has the following advantages compared with the prior art.

[0015] The plate heat treatment clamping device has the advantages that the thickness of the pressing block gradually decreases from one end to the other end, so that the pressing block can be tightly clamped with the bayonet while exerting pressure on the first clamping plate, so that the first clamping plate and the second clamping plate can clamp the plate to be heat treated, thereby preventing the plate to be heat treated from deforming during heat treatment, and the plate can be directly used for production after heat treatment without the need for processing, thereby improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily understood, the utility model will be further described in detail below according to the specific embodiments of the utility model and in combination with the drawings.

[0017] Figure 1 is a structural schematic view of a plate heat treatment clamping device of the utility model;

[0018] Figure 2 is Figure 1 an exploded structural schematic view.

[0019] The description reference signs are explained: 1, first clamping plate; 2, second clamping plate; 3, limiting piece; 4, pressing block; 5, first positioning rod; 6, second positioning rod; 7, to be heat-treated plate; 11, first heat dissipation hole; 21, second heat dissipation hole; 31, opening; 32, blocking part; 33, connecting part; 41, first mounting hole; 42, second mounting hole. DETAILED DESCRIPTION

[0020] The utility model is further explained below in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0021] Referring to Figure 1 And Figure 2 The utility model discloses a plate heat treatment clamping device, including: first clamping plate 1;Second clamping plate 2, the first clamping plate 1 with the second clamping plate 2 between constitute clamping space, the second clamping plate 2 is connected with limiting piece 3, the limiting piece 3 is equipped with opening 31, the lateral wall of opening 31 with the first clamping plate 1 between constitute bayonet;Pressing block 4, the thickness of pressing block 4 gradually reduces from one end to the other end, the small one end of the thickness of pressing block 4 is penetrated through opening 31, and the pressing block 4 is in abutment with the first clamping plate 1, and the pressing block 4 is connected with the bayonet.

[0022] The utility model discloses a plate heat treatment clamping device, including: first clamping plate 1;Second clamping plate 2, the first clamping plate 1 with the second clamping plate 2 between constitute clamping space, the second clamping plate 2 is connected with limiting piece 3, the limiting piece 3 is equipped with opening 31, the lateral wall of opening 31 with the first clamping plate 1 between constitute bayonet;Pressing block 4, the thickness of pressing block 4 gradually reduces from one end to the other end, the small one end of the thickness of pressing block 4 is penetrated through opening 31, and the pressing block 4 is in abutment with the first clamping plate 1, and the pressing block 4 is connected with the bayonet.

[0023] The first clamping plate 1 and the second clamping plate 2 are both flat, the end surface of the plate to be heat treated 7 is circular in the embodiment, the end surface of the first clamping plate 1 and the second clamping plate 2 are also circular, and the diameter of the first clamping plate 1 and the second clamping plate 2 is the same as the diameter of the plate to be heat treated 7. According to the shape of the plate to be heat treated 7, the first clamping plate 1 and the second clamping plate 2 can also be different shapes. The first clamping plate 1 and the second clamping plate 2 form a clamping space for clamping the plate to be heat treated 7. The plane on which the first clamping plate 1 lies is parallel to the plane on which the second clamping plate 2 lies, and the opposite sides of the first clamping plate 1 and the second clamping plate 2 are parallel, so that the first clamping plate 1 and the second clamping plate 2 can be attached to the plate to be heat treated 7, thereby further preventing the plate to be heat treated 7 from deforming.

[0024] The first clamping plate 1 is provided with a plurality of first heat dissipation holes 11, the first heat dissipation holes 11 correspond in position and are equal in size to the machining holes on the plate to be heat treated 7, the second clamping plate is provided with a plurality of second heat dissipation holes 21, the second heat dissipation holes 21 correspond in position to the first heat dissipation holes 11, and the second heat dissipation holes 21 are equal in size to the first heat dissipation holes 11, so that the central axes and sizes of the first heat dissipation holes 11, the machining holes and the second heat dissipation holes 21 are all equal, thereby enabling the plate to be heat treated 7 to be heated evenly. Preferably, the materials of the first clamping plate 1 and the second clamping plate 2 are the same, so that the heat conduction speeds of the first clamping plate 1 and the second clamping plate 2 are the same, thereby enabling the plate to be heat treated 7 to be heated evenly.

[0025] The second clamping plate 2 is connected to a limiting piece 3, and the limiting piece 3 is provided with an opening 31. Specifically, the limiting piece 3 is provided with a plurality of limiting pieces 3 arranged along the edge of the second clamping plate 2, and in the embodiment, there are six limiting pieces 3, and according to the different plates to be heat treated 7, different numbers of limiting pieces 3 can be provided. The limiting piece 3 is connected to the side wall of the second clamping plate 2, and a plurality of limiting pieces 3 are arranged in a central symmetric manner. The limiting piece 3 comprises a connecting portion 33 and a blocking portion 32, the blocking portion 32 is located at the top end of the connecting portion 33, the connecting portion 33 is connected to the side wall of the second clamping plate 2, and the connecting portion 33 is provided with two, the opening 31 is located between the two connecting portions 33, and the opening 31 is jointly formed by the two connecting portions 33 and the blocking portion 32. The plane on which the blocking portion 32 lies is parallel to the plane on which the first clamping plate 1 lies. The side wall of the opening 31 and the first clamping plate 1 form a bayonet, that is, the blocking portion 32, the first clamping plate 1 and the top of the two connecting portions 33 jointly form the bayonet.

[0026] The pressing block 4 is used to apply pressure to the first clamping plate 1, and the thickness of the pressing block 4 gradually decreases from one end to the other end, that is, the overall pressing block 4 is wedge-shaped. The end of the pressing block 4 with small thickness penetrates through the opening 31, the pressing block 4 abuts against the first clamping plate 1, and the pressing block 4 is clamped with the bayonet. Specifically, the pressing block 4 includes a guide surface located at the top and arranged obliquely, the plane where the guide surface is located forms an acute angle with the plane where the first clamping plate 1 is located, the bottom of the pressing block 4 is attached to the top end of the first clamping plate 1, the guide surface abuts against the blocking part 32, and the end of the pressing block 4 with large thickness is knocked, so that the pressing block 4 is clamped with the bayonet, and then the pressing block 4 applies pressure to the first clamping plate 1. Preferably, the side wall of the pressing block 4 is provided with a first mounting hole 41, the first mounting hole 41 can be connected with the stop block, the pressing block 4 is clamped with the bayonet by knocking the stop block, and the setting of the stop block can facilitate the application of pressure to the pressing block 4. Preferably, the end of the pressing block 4 with small thickness is provided with a second mounting hole 42, the second mounting hole 42 can be connected with the clamping block, and after the pressing block 4 is clamped with the bayonet, the clamping block is connected with the second mounting hole 42 and abuts against the limiting piece 3, so as to prevent the pressing block 4 from loosening.

[0027] The first positioning rod 5 is further included, the first clamping plate 1 is provided with a first positioning hole at the center position, the second clamping plate 2 is provided with a second positioning hole, and the to-be-heat-treated plate 7 is provided with a first through hole at the middle position. The first positioning hole, the second positioning hole and the first through hole are correspondingly arranged and have the same size, so that the first positioning rod 5 can penetrate through the first positioning hole, the first through hole and the second positioning hole in sequence, thereby positioning the to-be-heat-treated plate 7, the first clamping plate 1 and the second clamping plate 2. According to the position of the first through hole on the to-be-heat-treated plate 7, the first positioning hole and the second positioning hole can be arranged at different positions. The side wall of the first positioning rod 5 is further provided with a thread, and a fastener is sleeved on the first positioning rod 5. The fastener can be regarded as a nut, and the fastener abuts against the first clamping plate 1, so that the first clamping plate 1 is closely attached to the to-be-heat-treated plate 7 and is uniformly stressed. When the distance between the end of the first positioning rod 5 and the first clamping plate 1 is large, a pad can be arranged between the fastener and the first clamping plate 1.

[0028] The second positioning rod 6 is further included, the first clamping plate 1 is provided with a third positioning hole between the center and the edge, the second clamping plate 2 is provided with a fourth positioning hole, and the to-be-heat-treated plate 7 is provided with a second through hole. The third positioning hole, the fourth positioning hole and the second through hole are correspondingly arranged and have the same size, so that the second positioning rod 6 can penetrate through the third positioning hole, the second through hole and the fourth positioning hole in sequence, thereby fixing the positions of the first clamping plate 1, the to-be-heat-treated plate 7 and the second clamping plate 2 relative to each other. The third positioning hole, the second through hole and the fourth positioning hole are all provided with a plurality of holes, so that the first clamping plate 1, the to-be-heat-treated plate 7 and the second clamping plate 2 can be stably fixed relative to each other. The second positioning rod 6 can be provided with a thread and a fastener is sleeved thereon. The fastener on the second positioning rod 6 has the same working principle as the fastener on the first positioning rod 5, and details are not repeated.

[0029] In use, the plate to be heat treated 7 is placed between the first clamping plate 1 and the second clamping plate 2, then the first positioning rod 5 is sequentially threaded through the first positioning hole, the first through hole and the second positioning hole, and the second positioning rod 6 is sequentially threaded through the third positioning hole, the second through hole and the fourth positioning hole, the first positioning rod 5 and the second positioning rod 6 are both fitted with a fastener, until the fastener abuts against the first clamping plate 1, the pressing block 4 is placed on the top side of the first clamping plate 1, the end of the pressing block 4 with small thickness is threaded through the opening 31 of the limiting piece 3, until the pressing block 4 abuts against the limiting piece 3, the end of the pressing block 4 with large thickness is struck, so that the pressing block 4 is clamped with the bayonet, at this time the first clamping plate 1 and the second clamping plate 2 are in a clamped state to the plate to be heat treated 7.

[0030] The plate heat treatment clamping device of the utility model, through the thickness of the pressing block 4 gradually reduces from one end to the other end, so that the pressing block 4 can be clamped with the bayonet at the same time, and also can exert pressure on the first clamping plate 1, so that the first clamping plate 1 and the second clamping plate 2 clamp the plate to be heat treated 7, and then prevent the plate to be heat treated 7 from deforming in the heat treatment process, and the plate can directly produce after heat treatment, without processing, so as to improve the production efficiency.

[0031] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A plate heat treatment clamping device characterized by comprising: The utility model relates to a clamp, including: A first clamping plate; A second clamping plate, a clamping space is formed between the first clamping plate and the second clamping plate, the second clamping plate is connected with a limiting piece, the limiting piece is provided with an opening, and the side wall of the opening and the first clamping plate form a bayonet joint; A pressing block, the thickness of the pressing block gradually decreases from one end to the other end, the small end of the thickness of the pressing block penetrates the opening, the pressing block abuts against the first clamping plate, and the pressing block is connected with the bayonet.

2. The apparatus of claim 1 wherein: The limiting piece is provided with a plurality of limiting pieces and is arranged along the edge of the second clamping plate, and the limiting piece is connected with the side wall of the second clamping plate.

3. The apparatus of claim 1 wherein: The plane of the first clamping plate is parallel to the plane of the second clamping plate, and the first clamping plate is provided with a plurality of first heat dissipation holes.

4. The apparatus of claim 3 wherein: The second clamping plate is provided with a plurality of second heat dissipation holes, the positions of the second heat dissipation holes correspond to the positions of the first heat dissipation holes, and the sizes of the second heat dissipation holes are equal to the sizes of the first heat dissipation holes.

5. The apparatus of claim 1 wherein: The limiting piece includes a connecting portion and a blocking portion, the blocking portion is connected to the end of the connecting portion, the connecting portion is connected with the second clamping plate, the opening is located between the two connecting portions, and the plane of the blocking portion is parallel to the plane of the first clamping plate.

6. The apparatus of claim 5 wherein: The pressing block includes a guide surface, the plane of the guide surface forms an acute angle with the plane of the first clamping plate, and the guide surface abuts against the blocking portion.

7. The apparatus of claim 1 wherein: Further including a first positioning rod, the first clamping plate is provided with a first positioning hole at the center position, the second clamping plate is provided with a second positioning hole, the first positioning hole corresponds to the position of the second positioning hole, and the first positioning rod penetrates the first positioning hole and the second positioning hole.

8. The apparatus of claim 7 wherein: The side wall of the first positioning rod is provided with a thread, and a fastener is sleeved on the first positioning rod, and the fastener abuts against the first clamping plate.

9. The apparatus of claim 1 wherein: Further including a second positioning rod, the first clamping plate is provided with a third positioning hole between the center and the edge, the second clamping plate is provided with a fourth positioning hole, the third positioning hole corresponds to the position of the fourth positioning hole, and the second positioning rod penetrates the third positioning hole and the fourth positioning hole.

10. The apparatus of claim 1 wherein: The side wall of the pressing block is provided with a first mounting hole, and the first mounting hole is connected with a stop block.

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