Material clamping mechanism for automobile assembly line

Abstract

The utility model provides a material clamping mechanism for an automobile assembly line, and belongs to the technical field of clamping mechanisms. The material clamping mechanism for the automobile assembly line comprises a support mechanism and a clamping jaw assembly. The double-shaft air cylinder is installed at the executing end of the support mechanism, the two side frames are arranged at the two rod ends of the double-shaft air cylinder respectively, the bottoms of the side frames are of V-shaped notch structures, the two side clamping plates are arranged on the inner sides of the bottom ends of the side frames respectively, and the two extending clamping plates are arranged on the outer sides of the bottom ends of the side frames respectively. A double-shaft air cylinder in the clamping jaw assembly drives side frames at the two ends to move oppositely and get close to each other, the two side faces of the two corners of the square workpiece can be clamped, and the contact area between the clamping jaw assembly and the square workpiece is larger. When the side clamping plates, the extending clamping plates and the square workpiece have larger contact areas, the clamping plate does not need to have larger friction force even if the clamping force is smaller during clamping, and the surface of the clamped square workpiece is better protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a clamping mechanism field, specifically, relate to a kind of automobile assembly line material clamping mechanism. BACKGROUND

[0002] Automobile assembly line material clamping mechanism is responsible for accurately and quickly clamping and placing material at the specified position of assembly line, and it is one of indispensable equipment in automobile production process.

[0003] For square structure accessory, generally adopt two-way claw clamping mechanism, in workpiece clamping process, since the contact area of claw and square workpiece is less, generally, the claw clamping force is set to higher state, when clamping square structure workpiece, the claw force is larger, and it is easy to cause workpiece surface damage. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides an automobile assembly line material clamping mechanism, to improve the prior art two-way claw and the contact area of square workpiece is less, when clamping square structure workpiece, the claw force is larger, and it is easy to cause workpiece surface damage.

[0005] The utility model is realized as follows:

[0006] The utility model provides an automobile assembly line material clamping mechanism, including support mechanism and clamping jaw subassembly.

[0007] The clamping jaw subassembly includes double-shaft air cylinder, side frame, side clamping plate and extension clamping plate, the double-shaft air cylinder is installed at the support mechanism execution end, two groups of side frames are arranged at the two rod ends of the double-shaft air cylinder respectively, the bottom of side frame is V-shaped notch structure, two side clamping plates are arranged at the inner side of side frame bottom end respectively, and two groups of extension clamping plates are arranged at the outer side of side frame bottom end respectively.

[0008] In an embodiment of the utility model, the support mechanism includes rack and two-axis servo module, and the two-axis servo module is installed at the top of rack to drive double-shaft air cylinder to move and adjust.

[0009] In an embodiment of the utility model, the clamping jaw subassembly further includes electromagnet, the back of side clamping plate is provided with notch, and the electromagnet is fixedly embedded in the inside of notch.

[0010] In an embodiment of the utility model, the side frame includes support, lower clamping strip and connecting portion, the support is fixed at the rod end of double-shaft air cylinder, and the connecting portion connects the support and lower clamping strip.

[0011] In an embodiment of the utility model, V-shaped gap notch is formed between the opposite faces of two lower clamping strips.

[0012] In an embodiment of the utility model, the side clamping plate, the extension clamping plate, the inner side of lower clamping strip are provided with anti -skid line.

[0013] In an embodiment of the utility model, the connecting portion is an elastic connecting piece.

[0014] In an embodiment of the utility model, the elastic connecting piece includes connecting seat, spring, guide rod and limit block, one end of connecting seat is fixed with lower clamping strip, one end of guide rod is fixed with support, and the other end of guide rod is movably penetrated through connecting seat, the other end of guide rod is fixed with limit block, spring is sleeved on the outside of guide rod on the inner side of connecting seat.

[0015] The utility model discloses a kind of material clamping mechanisms of automobile assembly line, the double-shaft air cylinder in gripper assembly drives the side frame of two ends to move close to each other, the side frame bottom is V-shaped structure, cooperation side clamping plate and electromagnet are V-shaped structure, can clamp the two sides of the two angles of workpiece, with square workpiece has greater contact area.When side clamping plate, extension clamping plate and square workpiece have greater contact area, when clamping, even if there is smaller clamping force, there is greater friction, and the surface of the square workpiece clamped has better protection effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying creative labor, other related drawings can also be obtained according to these drawings.

[0017] Figure 1 It is the structure schematic diagram of material clamping mechanism of automobile assembly line provided by the embodiment of the utility model;

[0018] Figure 2 It is the structure schematic diagram of gripper assembly provided by the embodiment of the utility model;

[0019] Figure 3 It is the structure schematic diagram of lower clamping strip, side clamping plate and extension clamping plate provided by the embodiment of the utility model;

[0020] Figure 4 It is the structure schematic diagram of connecting portion provided by the embodiment of the utility model.

[0021] In the figure: 10 - support mechanism; 110 - rack; 120 - two-axis servo module; 20 - jaw assembly; 210 - two-axis cylinder; 220 - side frame; 221 - support; 222 - lower clamping strip; 223 - connecting part; 2221 - connecting seat; 2222 - spring; 2223 - guide rod; 2224 - limiting block; 230 - side clamping plate; 240 - electromagnet; 250 - extension clamping plate; 260 - anti-skid pattern. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] EMBODIMENT

[0024] Referring to Figures 1-4 The present application provides a material clamping mechanism for automobile assembly line, which comprises a support mechanism 10 and a jaw assembly 20.

[0025] The cooperation of the support mechanism 10 and the jaw assembly 20 can realize large clamping force with small clamping force, increase the contact area between the clamp and the square workpiece, and better protect the surface of the clamped workpiece.

[0026] Referring to Figure 1 and Figure 2 The jaw assembly 20 comprises a two-axis cylinder 210, a side frame 220, a side clamping plate 230 and an extension clamping plate 250. The two-axis cylinder 210 is installed at the execution end of the support mechanism 10, two groups of side frames 220 are arranged at the two rod ends of the two-axis cylinder 210, and the bottom of the side frame 220 is a V-shaped notch structure. Two side clamping plates 230 are arranged inside the bottom ends of the side frames 220, and two groups of extension clamping plates 250 are arranged outside the bottom ends of the side frames 220.

[0027] When clamping the square workpiece, the two-axis cylinder 210 in the jaw assembly 20 drives the side frames 220 at both ends to move towards each other and get close, the bottom of the side frame 220 is a V-shaped structure, and the side clamping plate 230 and the electromagnet 240 are both V-shaped structures, so that the two sides of the two corners of the workpiece can be clamped, and the square workpiece has a larger contact area. When the side clamping plate 230 and the extension clamping plate 250 have a larger contact area with the square workpiece, even if the clamping force is small, there is a larger friction force, and the surface of the clamped square workpiece is better protected.

[0028] In the above specific embodiments, please refer to Figure 1 , the support mechanism 10 includes a rack 110 and a two-axis servo module 120, the two-axis servo module 120 is installed on the top of the rack 110 to drive the double shaft air cylinder 210 to move and adjust. The two-axis servo module 120 drives the double shaft air cylinder 210 to move and change the vertical and horizontal positions, that is, to adjust the vertical and horizontal positions of the bottom jaw assembly 20 to move and clamp the workpiece.

[0029] In the specific setting, please refer to Figure 2 , the jaw assembly 20 further includes an electromagnet 240, the back of the side clamping plate 230 is provided with a notch, and the electromagnet 240 is fixedly embedded in the notch. After the side clamping plate 230 and the extension clamping plate 250 clamp the workpiece, the electromagnet 240 is in an energized state, so that the inner side of the side clamping plate 230 can magnetically attract the metal workpiece, so that the metal workpiece that can be magnetically attracted is further improved in stability when transferred.

[0030] Further, please refer to Figure 2 and Figure 3 , the side frame 220 includes a support 221, a lower clamping strip 222, and a connecting part 223, the support 221 is fixed at the rod end of the double shaft air cylinder 210, and the connecting part 223 connects the support 221 and the lower clamping strip 222. The V-shaped gap notch is formed between the opposite surfaces of the two lower clamping strips 222. The inner sides of the side clamping plate 230, the extension clamping plate 250, and the lower clamping strip 222 are provided with anti-skid lines 260. The anti-skid lines 260 are provided to increase the friction when the extension clamping plate 250, the lower clamping strip 222, and the side clamping plate 230 contact the workpiece.

[0031] In the above specific embodiments, please refer to Figure 4 , the connecting part 223 is an elastic connecting piece. The elastic connecting piece includes a connecting seat 2221, a spring 2222, a guide rod 2223, and a limiting block 2224, one end of the connecting seat 2221 is fixed with the lower clamping strip 222, one end of the guide rod 2223 is fixed with the support 221, the other end of the guide rod 2223 movably penetrates the connecting seat 2221, the other end of the guide rod 2223 is fixed with the limiting block 2224, and the spring 2222 is sleeved outside the guide rod 2223 inside the connecting seat 2221. The spring 2222 in the elastic connecting piece can provide a certain elasticity to the side clamping plate 230, the extension clamping plate 250, and the lower clamping strip 222, and also has a certain buffering protection effect on the clamped square workpiece.

[0032] It should be noted that the specific model and specifications of the double shaft air cylinder 210 and the two-axis servo module 120 need to be determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail. The power supply and principle of the double shaft air cylinder 210 and the two-axis servo module 120 are clear to those skilled in the art, and will not be described in detail here.

[0033] The working principle of the automobile assembly line material clamping mechanism is as follows: when clamping the square workpiece, the double-shaft air cylinder 210 in the clamping jaw assembly 20 drives the side frames 220 at both ends to move towards each other and close, the bottom of the side frame 220 is V-shaped structure, the side clamping plate 230 and the electromagnet 240 are both V-shaped structure, so that the two sides of the two corners of the workpiece can be clamped, and the square workpiece has a larger contact area. When the side clamping plate 230 and the extension clamping plate 250 have a larger contact area with the square workpiece, the clamping does not have to have a smaller clamping force, but has a larger friction force, and the surface of the clamped square workpiece has a better protection effect.

[0034] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A material gripping mechanism for an automobile assembly line, characterized in that, Comprising The support mechanism (10) and the clamping jaw assembly (20), the clamping jaw assembly (20) includes a double shaft air cylinder (210), a side frame (220), a side clamping plate (230) and an extension clamping plate (250), the double shaft air cylinder (210) is installed at the execution end of the support mechanism (10), two groups of side frames (220) are respectively arranged at the two rod ends of the double shaft air cylinder (210), the bottom of the side frame (220) is a V-shaped notch structure, two side clamping plates (230) are respectively arranged at the inner side of the bottom end of the side frame (220), and two groups of extension clamping plates (250) are respectively arranged at the outer side of the bottom end of the side frame (220).

2. The material gripping mechanism for an automobile assembly line according to claim 1, wherein The support mechanism (10) includes a rack (110) and a two-axis servo module (120), the two-axis servo module (120) is installed at the top of the rack (110) to drive the double shaft air cylinder (210) to move and adjust.

3. The material gripping mechanism for an automotive assembly line according to claim 1, wherein The clamping jaw assembly (20) further includes an electromagnet (240), the back of the side clamping plate (230) is provided with a notch, and the electromagnet (240) is fixedly embedded in the notch.

4. The material gripping mechanism for an automotive assembly line according to claim 1, wherein The side frame (220) includes a support (221), a lower clamping strip (222) and a connecting part (223), the support (221) is fixed at the rod end of the double shaft air cylinder (210), and the connecting part (223) connects the support (221) and the lower clamping strip (222).

5. The material gripping mechanism of claim 4, wherein The V-shaped gap notch is formed between the opposite surfaces of the two lower clamping strips (222).

6. The material gripping mechanism of claim 4, wherein The inner sides of the side clamping plate (230), the extension clamping plate (250) and the lower clamping strip (222) are provided with anti-skid lines (260).

7. The material gripping mechanism of claim 4, wherein The connecting part (223) is an elastic connecting piece.

8. The material gripping mechanism of claim 7, wherein The elastic connecting piece includes a connecting seat (2221), a spring (2222), a guide rod (2223) and a limiting block (2224), one end of the connecting seat (2221) is fixed with the lower clamping strip (222), one end of the guide rod (2223) is fixed with the support (221), the other end of the guide rod (2223) movably penetrates through the connecting seat (2221), the other end of the guide rod (2223) is fixed with the limiting block (2224), and the spring (2222) is sleeved outside the guide rod (2223) on the inner side of the connecting seat (2221).

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