Metal surface treatment clamping mechanism

Abstract

The utility model provides a metal surface treatment clamping mechanism, and belongs to the technical field of metal part machining clamps. The metal surface treatment clamping mechanism comprises a supporting rotating assembly and a clamping fixing assembly. The supporting rotating assembly comprises a base, a support and a rotating driving part, the support is fixed above the base, a transmission shaft is rotationally arranged on the support, and the rotating driving part is installed on the support to drive the transmission shaft to rotate and adjust; the clamping and fixing assembly comprises a bracket, an air cylinder and a clamping jaw, the tail end of the bracket is connected with one end of the transmission shaft, and the air cylinder is installed above the bracket. The rotating driving part drives the transmission shaft on the support to rotate, the rotating transmission shaft drives the bracket to rotate, namely, the clamping jaw on one side of the bracket is driven to rotate synchronously, namely, the metal plate clamped and fixed by the clamping jaw is driven to rotate and turn over, and the metal plate can be turned over to any angle to be machined without taking down the metal plate. And compared with a traditional clamp, the clamp has better applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of metal parts processing fixtures, in particular to a metal surface treatment clamping mechanism. Background Art

[0002] When a plate-shaped metal part is clamped and processed by a fixture, generally only the upper surface of the plate can be processed, and then the fixture needs to be loosened to change the surface of the metal plate before the other side can be processed. For example, the public document with announcement number CN208773385U discloses a multi-clamping point clamping device for processing automotive parts, including a supporting chassis, the bottom end of the supporting chassis is fixedly connected to the upper end of a rotating column, the rotating column is movably fixed on a workbench, and two threaded columns are provided on the rotating column, and the two threaded columns are distributed up and down. After the above-mentioned clamping device can clamp and fix the metal part, the processing equipment can only process the upper surface of the plate, and then the clamp needs to be loosened to change the surface of the metal plate before the other side of the part can be processed. Utility Model Content

[0003] In order to remedy the above deficiencies, the utility model provides a metal surface treatment clamping mechanism, which aims to improve the problem in the related technology that after the clamping equipment fixes the workpiece, the processing equipment can only perform processing operations on the upper surface of the plate, and subsequently it is necessary to loosen the clamp and change the surface of the metal plate before processing the other side of the component.

[0004] The utility model is achieved in this way:

[0005] The utility model provides a metal surface treatment clamping mechanism, which comprises a supporting rotating component and a clamping fixing component.

[0006] The support rotation assembly includes a base, a bracket and a rotation driving unit, the bracket is fixed above the base, and a transmission shaft is rotatably arranged on the bracket, and the rotation driving unit is installed on the bracket to drive the transmission shaft to rotate and adjust;

[0007] The clamping and fixing assembly includes a bracket, a cylinder and a claw. The rear end of the bracket is connected to one end of the transmission shaft, the cylinder is installed above the bracket, and the two claws are rotatably installed on both sides of the front section of the bracket. The cylinder drives the two claws to rotate and engage the components through the gear transmission part and the connecting rod part.

[0008] In one embodiment of the utility model, the rotation driving part includes a support plate, a worm, a worm wheel and a handwheel, one end of the support plate is fixedly connected to the bracket, the worm is rotatably arranged between the two support plates, and the handwheel is installed at one end of the worm, and the worm wheel is fixedly sleeved on the outside of the transmission shaft and meshes with the worm.

[0009] In one embodiment of the utility model, the gear transmission part includes a main gear and a rack, the two main gears are rotatably arranged above the bracket, the rack is meshed between the two groups of main gears, and one end of the rack is connected to the end of the cylinder output rod.

[0010] In one embodiment of the utility model, the connecting rod portion includes a first connecting rod and a second connecting rod, one end of the first connecting rod is fixedly connected to the main gear, and the other end of the first connecting rod is rotatably connected to the tail end of the claw through a pin shaft, one end of the second connecting rod is rotatably connected to the bracket, and the other end of the second connecting rod is rotatably connected to the claw through a pin shaft.

[0011] The metal surface treatment clamping mechanism also includes an auxiliary clamping assembly, and two groups of the auxiliary clamping assemblies are respectively installed on opposite sides of the two clamping claws.

[0012] In an embodiment of the present utility model, the auxiliary clamping assembly includes a clamping plate and an elastic connecting portion, and the elastic connecting portion connects the clamping plate and the clamping claw.

[0013] In one embodiment of the utility model, the elastic connecting part includes a spring, a guide rod is fixed on one side of the clamping plate, the guide rod is movably inserted into the through hole on the claw, and an end cover is fixed on one end of the guide rod away from the clamping plate, and the spring is sleeved on the outside of the guide rod between the clamping plate and the claw.

[0014] In an embodiment of the utility model, the auxiliary clamping assembly further includes an anti-slip gasket, and the anti-slip gasket is fixedly arranged on the outer side of the clamping plate.

[0015] The beneficial effect of the utility model is that the utility model obtains a metal surface treatment clamping mechanism through the above design, which drives the transmission shaft on the bracket to rotate through the rotating driving part, and the rotating transmission shaft drives the bracket to rotate, that is, drives the claws on one side of the bracket to rotate synchronously, that is, drives the metal plate clamped and fixed by the claws to rotate and turn over. Without removing the metal plate, the metal plate can be turned over to any angle for processing, which has better applicability than traditional clamps. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1It is a schematic diagram of the structure of the metal surface treatment clamping mechanism provided by the embodiment of the utility model;

[0018] Figure 2 A schematic diagram of the structure of the rotation drive unit provided in the embodiment of the utility model;

[0019] Figure 3 A schematic diagram of the claw structure provided in an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the auxiliary clamping assembly provided in an embodiment of the utility model.

[0021] In the figure: 10-support rotating assembly; 110-base; 120-bracket; 130-rotating driving part; 131-support plate; 132-worm; 133-worm wheel; 134-handwheel; 140-transmission shaft; 20-clamping and fixing assembly; 210-bracket; 220-cylinder; 230-gear transmission part; 231-main gear; 232-rack; 250-claw; 251-through hole; 260-connecting rod part; 261-first connecting rod; 262-second connecting rod; 30-auxiliary clamping assembly; 310-clamping plate; 320-elastic connecting part; 321-spring; 322-guide rod; 323-end cover; 330-anti-slip gasket. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-Figure 4 The utility model provides a metal surface treatment clamping mechanism, including a supporting rotating component 10 and a clamping fixing component 20.

[0025] Among them, the supporting and rotating component 10 and the clamping and fixing component 20 are used in combination. The clamping and fixing component 20 can clamp and fix the metal sheet, and the processing equipment can process the upper surface of the metal sheet. Through the cooperation of the supporting and rotating component 10, the sheet can be rotated and adjusted without loosening the clamp, and the two sides can be processed at multiple angles, which has better applicability.

[0026] See also Figure 1The supporting rotating assembly 10 includes a base 110, a bracket 120 and a rotating driving unit 130. The bracket 120 is fixed above the base 110, and a transmission shaft 140 is rotatably provided on the bracket 120. The rotating driving unit 130 is installed on the bracket 120 to drive the transmission shaft 140 to rotate and adjust. The clamping and fixing assembly 20 includes a bracket 210, a cylinder 220 and a claw 250. The rear end of the bracket 210 is connected to one end of the transmission shaft 140, the cylinder 220 is installed above the bracket 210, and the two claws 250 are rotatably installed on both sides of the front section of the bracket 210, and the cylinder 220 drives the two claws 250 to rotate and engage the parts through the gear transmission unit 230 and the connecting rod unit 260.

[0027] The metal sheet is placed between the two claws 250. The output rod end of the cylinder 220 drives the two groups of claws 250 to clamp and fix the metal sheet through the cooperation of the gear transmission part 230 and the connecting rod part 260. The processing equipment can process the upper surface of the metal sheet. The transmission shaft 140 on the bracket 120 is driven to rotate by the rotating driving part 130. The rotating transmission shaft 140 drives the bracket 210 to rotate, that is, drives the claws 250 on one side of the bracket 210 to rotate synchronously, that is, drives the metal sheet clamped and fixed by the claws 250 to rotate and turn over. Without removing the metal sheet, the metal sheet can be turned over to any angle for processing, which has better applicability than traditional clamps.

[0028] For specific settings, see Figure 2 The rotation driving part 130 includes a support plate 131, a worm 132, a worm wheel 133 and a hand wheel 134. One end of the support plate 131 is fixedly connected to the bracket 120, the worm 132 is rotatably arranged between the two support plates 131, and the hand wheel 134 is installed at one end of the worm 132, and the worm wheel 133 is fixedly sleeved on the outside of the transmission shaft 140 and meshed with the worm 132. The hand wheel 134 is rotated to drive the worm 132 to rotate, and the transmission shaft 140 is driven to rotate through the cooperation of the worm wheel 133. Among them, the worm wheel 133 and the worm 132 are arranged in a self-locking structure.

[0029] For further information, see Figure 1The gear transmission part 230 includes a main gear 231 and a rack 232. The two main gears 231 are rotatably arranged above the bracket 210. The rack 232 is arranged between the two sets of main gears 231 and meshed with each other. One end of the rack 232 is connected to the output rod end of the cylinder 220. The connecting rod part 260 includes a first connecting rod 261 and a second connecting rod 262. One end of the first connecting rod 261 is fixedly connected to the main gear 231, and the other end of the first connecting rod 261 is rotatably connected to the tail end of the claw 250 through a pin. One end of the second connecting rod 262 is rotatably connected to the bracket 210, and the other end of the second connecting rod 262 is rotatably connected to the claw 250 through a pin. The output rod end of the cylinder 220 pushes and pulls the rack 232, and drives the claw 250 to rotate and clamp the fixed plate in cooperation with the main gear 231, the first connecting rod 261 and the second connecting rod 262.

[0030] See also Figure 1 , Figure 3 and Figure 4 The metal surface treatment clamping mechanism also includes an auxiliary clamping assembly 30, and two groups of auxiliary clamping assemblies 30 are respectively installed on the opposite sides of the two clamping claws 250. The auxiliary clamping assembly 30 includes a clamping plate 310 and an elastic connecting portion 320, and the elastic connecting portion 320 connects the clamping plate 310 and the clamping claw 250. The elastic connecting portion 320 includes a spring 321, and a guide rod 322 is fixed on one side of the clamping plate 310. The guide rod 322 movably penetrates the through hole 251 on the clamping claw 250, and an end cap 323 is fixed on the end of the guide rod 322 away from the clamping plate 310. The spring 321 is sleeved on the outside of the guide rod 322 between the clamping plate 310 and the clamping claw 250. The spring 321 in the elastic connecting portion 320 enables the clamping plate 310 to have a certain buffering effect when clamping the metal sheet, avoiding rigid extrusion of the metal sheet, and having a certain protective effect on the metal sheet. The auxiliary clamping assembly 30 further includes an anti-skid pad 330, which is fixedly arranged on the outside of the clamping strip 310. The anti-skid pad 330 can be a rubber pad, which has a further protective effect on the clamped metal sheet.

[0031] It should be noted that the specific model and specifications of the cylinder 220 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail. The power supply and principle of the cylinder 220 are clear to those skilled in the art and will not be described in detail here.

[0032] The working principle of the metal surface treatment clamping mechanism is as follows: when in use, the metal sheet is placed between the two claws 250, and the output rod end of the cylinder 220 drives the two sets of claws 250 to clamp and fix the metal sheet through the cooperation of the gear transmission part 230 and the connecting rod part 260. The processing equipment can process the upper surface of the metal sheet. The transmission shaft 140 on the bracket 120 is driven to rotate by the rotating driving part 130, and the rotating transmission shaft 140 drives the bracket 210 to rotate, that is, drives the claws 250 on one side of the bracket 210 to rotate synchronously, that is, drives the metal sheet clamped and fixed by the claws 250 to rotate and turn over. Without removing the metal sheet, the metal sheet can be turned over to any angle for processing, which has better applicability than traditional clamps.

[0033] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A metal surface treatment clamping mechanism, characterized in that: include A support rotation assembly (10), the support rotation assembly (10) comprising a base (110), a bracket (120) and a rotation driving unit (130), the bracket (120) being fixed above the base (110), and a transmission shaft (140) being rotatably arranged on the bracket (120), and the rotation driving unit (130) being installed on the bracket (120) to drive the transmission shaft (140) to rotate and adjust; A clamping and fixing assembly (20), the clamping and fixing assembly (20) comprising a bracket (210), a cylinder (220) and a claw (250), wherein the rear end of the bracket (210) is connected to one end of the transmission shaft (140), the cylinder (220) is installed above the bracket (210), and the two claws (250) are rotatably installed on both sides of the front section of the bracket (210), and the cylinder (220) drives the two claws (250) to rotate and engage the components through a gear transmission part (230) and a connecting rod part (260).

2. A metal surface treatment clamping mechanism according to claim 1, characterized in that: The rotation driving part (130) comprises a support plate (131), a worm (132), a worm wheel (133) and a hand wheel (134); one end of the support plate (131) is fixedly connected to the bracket (120); the worm (132) is rotatably arranged between the two support plates (131); the hand wheel (134) is installed at one end of the worm (132); and the worm wheel (133) is fixedly sleeved on the outside of the transmission shaft (140) and meshed with the worm (132).

3. A metal surface treatment clamping mechanism according to claim 1, characterized in that: The gear transmission part (230) comprises a main gear (231) and a rack (232), wherein the two main gears (231) are rotatably arranged above the bracket (210), the rack (232) is arranged to mesh between the two sets of main gears (231), and one end of the rack (232) is connected to the output rod end of the cylinder (220).

4. A metal surface treatment clamping mechanism according to claim 3, characterized in that: The connecting rod portion (260) includes a first connecting rod (261) and a second connecting rod (262), one end of the first connecting rod (261) is fixedly connected to the main gear (231), and the other end of the first connecting rod (261) is rotationally connected to the tail end of the claw (250) through a pin shaft, one end of the second connecting rod (262) is rotationally connected to the bracket (210), and the other end of the second connecting rod (262) is rotationally connected to the claw (250) through a pin shaft.

5. A metal surface treatment clamping mechanism according to claim 1, characterized in that: It also includes auxiliary clamping assemblies (30), and two groups of the auxiliary clamping assemblies (30) are respectively installed on opposite sides of the two clamping claws (250).

6. A metal surface treatment clamping mechanism according to claim 5, characterized in that: The auxiliary clamping assembly (30) comprises a clamping plate (310) and an elastic connecting portion (320), wherein the elastic connecting portion (320) connects the clamping plate (310) and the clamping claw (250).

7. A metal surface treatment clamping mechanism according to claim 6, characterized in that: The elastic connection part (320) comprises a spring (321), a guide rod (322) is fixed on one side of the clamping plate (310), the guide rod (322) is movably inserted into the through hole (251) on the clamping claw (250), and an end cover (323) is fixed on one end of the guide rod (322) away from the clamping plate (310), and the spring (321) is sleeved on the outside of the guide rod (322) between the clamping plate (310) and the clamping claw (250).

8. A metal surface treatment clamping mechanism according to claim 6, characterized in that: The auxiliary clamping assembly (30) further comprises an anti-skid pad (330), wherein the anti-skid pad (330) is fixedly arranged on the outside of the clamping plate (310).

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