Clamping device for hub metal plate punching

Abstract

The utility model relates to a clamping device for hub sheet metal punching, and belongs to the technical field of hub machining, the clamping device comprises a divider and a three-jaw chuck, the three-jaw chuck is used for clamping a hub, the divider is used for driving the three-jaw chuck to rotate, the clamping device further comprises a base, a sliding table and an air cylinder, the sliding table is arranged on the base in a sliding mode, and the air cylinder is arranged on the base. The air cylinder is fixed on the base and used for driving the sliding table to move, a support is fixed on the sliding table, the three-jaw chuck is rotatably installed on the support, clamping blocks are fixed on clamping jaws of the three-jaw chuck, and limiting grooves are formed in the side portions of the clamping blocks. The three-jaw chuck is improved, the clamping blocks are additionally arranged on the clamping jaws of the three-jaw chuck, the vertical type quick clamp is installed on the clamping blocks, the hub is clamped in the axial direction through the vertical type quick clamp, the situation that the hub is subjected to angle deviation due to punching vibration can be avoided, the punching effect can be ensured, and the punching efficiency is improved. And the three-jaw chuck can be effectively protected.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hub machining, in particular to a clamping device for hub sheet metal punching. BACKGROUND

[0002] At present, in the machining process of a hub, punching is generally needed on the circumferential side of the hub, and in the prior art, the hub is directly fixed on a three-jaw chuck, and then punching is performed, the three-jaw chuck is connected with a divider, and the punching is relatively uniform.

[0003] However, due to the large impact force of punching, the hub is prone to angular deviation in a vibrating state only by the clamping action of the three-jaw chuck, and once the hub angularly deviates, the three-jaw chuck is irreversibly damaged when punching again, and the product is scrapped. CONTENT OF THE UTILITY MODEL

[0004] The application aims to provide a clamping device for hub sheet metal punching to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the application provides a clamping device for hub sheet metal punching, which adopts the following technical scheme:

[0006] A clamping device for hub sheet metal punching, comprising a divider and a three-jaw chuck, the three-jaw chuck being used for clamping a hub, the divider being used for driving the three-jaw chuck to rotate, further comprising a base, a sliding table and a cylinder, the sliding table being slidingly arranged on the base, the cylinder being fixed on the base and being used for driving the sliding table to move, a support being fixed on the sliding table, the three-jaw chuck being rotatably installed on the support, a clamping block being fixed on a jaw of the three-jaw chuck, the clamping block being provided with a limiting groove on a side portion, a clamping assembly being further installed on the clamping block, the clamping assembly being capable of pressing the hub on the limiting groove, the divider being installed on the sliding table, an output end of the divider being connected with a transmission rod, an end portion of the transmission rod being provided with a regular polygon, the three-jaw chuck being provided with a driving groove corresponding to the position of the transmission rod, the driving groove being matched with the transmission rod, and a rubber pad being wrapped on a surface of the end portion of the transmission rod.

[0007] The clamping assembly is a vertical quick clamp, and a seat body portion of the vertical quick clamp is fixed on the clamping block.

[0008] Preferably, in order to ensure that the transmission rod and the driving groove have a better transmission effect, the end portion of the transmission rod is provided with a regular hexagon.

[0009] A motor is further arranged on the sliding table, and the motor is used for driving the divider to work.

[0010] Preferably, the middle part of the three-jaw chuck is further fixed with a conical body, and the surface of the conical body is provided with an open card corresponding to the position of the vertical quick clamp, and the handle part of the vertical quick clamp can be clamped in the open card.

[0011] By adopting the above technical scheme, the handle part of the vertical quick clamp can be clamped in the open card, so as to avoid the influence of the vertical quick clamp on the feeding and discharging of the hub.

[0012] In summary, the present application has at least one of the following beneficial technical effects: the hub sheet metal punching clamping device improves the three-jaw chuck, installs a clamping block on the clamping jaw of the three-jaw chuck, installs a vertical quick clamp on the clamping block, and clamps the hub from the axial direction by using the vertical quick clamp, which can avoid the angle deviation of the hub caused by stamping vibration, can ensure the punching effect, and can effectively protect the three-jaw chuck. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present application.

[0014] Fig. 2 is a schematic diagram of the structure of the three-jaw chuck in the embodiment of the present application.

[0015] Marked for explanation: 1, divider; 2, three-jaw chuck; 21, clamping block; 211, limiting groove; 22, vertical quick clamp; 23, driving groove; 3, base; 4, sliding table; 5, support; 6, motor; 7, transmission rod; 8, conical body; 9, open card. DETAILED DESCRIPTION

[0016] The following will be described in detail in combination with the accompanying drawings Figs. 1-2 The present application will be further described in detail.

[0017] The embodiment of the present application discloses a kind of clamping devices for hub sheet metal punching, referring to Figs. 1-2, including a divider 1 and a three-jaw chuck 2, the three-jaw chuck 2 is used for clamping the hub, the divider 1 is used for driving the three-jaw chuck 2 to rotate, further comprising a base 3, a sliding table 4 and a cylinder, the sliding table 4 is slidingly arranged on the base 3, the cylinder is fixed on the base 3 and is used for driving the sliding table 4 to move, the sliding table 4 is fixed with a support 5, the three-jaw chuck 2 is rotatably arranged on the support 5, a clamping block 21 is fixed on the jaw of the three-jaw chuck 2, the clamping block 21 is provided with a limiting groove 211 on the side, a clamping assembly is further arranged on the clamping block 21, the clamping assembly can press the hub on the limiting groove 211, the clamping assembly is a vertical quick clamp 22, the seat part of the vertical quick clamp 22 is fixed on the clamping block 21, the divider 1 is arranged on the sliding table 4, a motor 6 is further arranged on the sliding table 4, the motor 6 is used for driving the divider 1 to work, a transmission rod 7 is connected to the output end of the divider 1, the end of the transmission rod 7 is provided with a regular polygon, specifically, the end of the transmission rod 7 is provided with a regular hexagon, the three-jaw chuck 2 is provided with a driving groove 23 corresponding to the position of the transmission rod, the driving groove 23 is matched with the transmission rod 7, and the end surface of the transmission rod 7 is wrapped with a rubber pad.

[0018] Referring to Fig. 2 A conical frustum 8 is further fixed in the middle of the three-jaw chuck 2, and an open card 9 is further arranged on the surface of the conical frustum 8 corresponding to the position of the vertical quick clamp 22, and the handle part of the vertical quick clamp 22 can be clamped in the open card 9.

[0019] By arranging the open card 9, the handle part of the vertical quick clamp 22 can be clamped in the open card 9, so that the vertical quick clamp 22 does not affect the feeding and discharging of the hub.

[0020] The implementation principle of the hub sheet metal punching clamping device in the embodiment of the application is as follows:

[0021] The staff member sleeves the middle part of the hub on the clamping block 21 of the three-jaw chuck 2, the three-jaw chuck 2 works to drive the clamping block 21 to work, the clamping block 21 can center and fix the hub, then the vertical quick clamp 22 is used to press and fix the hub from the axial direction, so that the hub can be well prevented from being displaced in the subsequent punching process, and the clamping effect is good.

[0022] The end surface of the transmission rod 7 is wrapped with a rubber pad, the rubber pad can absorb part of the vibration, the influence of the stamping vibration on the divider 1 is small, the service life of the divider 1 can be improved, and meanwhile the end of the transmission rod 7 is provided with a hexagonal shape, the transmission rod 7 has good contact with the driving groove 23, so that the transmission performance is good.

[0023] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A clamping device for punching a wheel hub sheet metal, comprising a divider (1) and a three-jaw chuck (2), wherein the three-jaw chuck (2) is used to clamp the wheel hub, and the divider (1) is used to drive the three-jaw chuck (2) to rotate, characterized in that: The invention also includes a base (3), a slide (4) and a cylinder, wherein the slide (4) is slidably arranged on the base (3), the cylinder is fixed on the base (3) and is used to drive the slide (4) to move, a bracket (5) is fixed on the slide (4), the three-jaw chuck (2) is rotatably mounted on the bracket (5), a clamping block (21) is fixed on the clamping jaws of the three-jaw chuck (2), a limiting groove (211) is provided on the side of the clamping block (21), and a clamping block (21) is also provided on the clamping block (21). A clamping assembly is provided, and the clamping assembly can press the wheel hub onto the limiting groove (211); the divider (1) is installed on the slide (4); the output end of the divider (1) is connected to a transmission rod (7); the end of the transmission rod (7) is arranged in a regular polygon; the three-jaw chuck (2) is provided with a driving groove (23) at a position corresponding to the transmission rod; the driving groove (23) is adapted to the transmission rod (7); and the end surface of the transmission rod (7) is wrapped with a rubber pad.

2. The wheel hub sheet metal punching clamping device according to claim 1, characterized in that: The clamping assembly is a vertical quick clamp (22), and the seat portion of the vertical quick clamp (22) is fixed on the clamping block (21).

3. The wheel hub sheet metal punching clamping device according to claim 1, characterized in that: The end of the transmission rod (7) is arranged in a regular hexagonal shape.

4. The wheel hub sheet metal punching clamping device according to claim 1, characterized in that: A motor (6) is also provided on the slide (4), and the motor (6) is used to drive the divider (1) to work.

5. The wheel hub sheet metal punching clamping device according to claim 2, characterized in that: A frustum (8) is fixed in the middle of the three-jaw chuck (2), and an opening clamp (9) is provided on the surface of the frustum (8) at a position corresponding to the vertical quick clamp (22), and the handle of the vertical quick clamp (22) can be clamped in the opening clamp (9).

Images