Burr removing device for crank arm

Abstract

The burr removing device for the crank arm comprises a machine frame, a material taking device is installed on the left side of the machine frame, a synchronous clamping device is installed on the middle side of the machine frame, and the synchronous clamping device comprises a first air cylinder, a lower guide rail, a lower sliding block, a sliding support, a clamping assembly and a synchronous assembly. The first air cylinder is fixedly installed on the upper side of the rack through a support, the two lower guide rails are fixedly installed on the upper side of the rack, the upper side of each lower guide rail is slidably connected with a plurality of lower sliding blocks, a sliding support is arranged on the upper side of each lower guide rail, and the sliding supports are fixedly installed on the upper sides of the lower sliding blocks. The clamping assembly is installed on the side wall of the sliding support, and the synchronous assembly is installed on the upper side of the rack. By means of the mode, a plurality of parts can be automatically taken at the same time, the plurality of parts can be automatically fed and clamped at the same time after being taken, double-face repeated grinding can be carried out on the parts at the same time, and production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a burr removing device for a crank arm. Background Technique

[0002] The opening and closing crank arm of an automobile sunroof is usually a component used to assist the opening and closing of the automobile sunroof. Since the crank arm is die-cast by a mold, burrs may be generated in the upper and lower side grooves. In existing production, these burrs are usually removed by employees using a small knife, which may result in incomplete removal or excessive cutting, affecting the quality. Or using power tools for grinding, which requires continuous grinding on both sides, resulting in uneven grinding and the need for repeated grinding multiple times, making it difficult to ensure the quality of the crank arm and limiting the production efficiency.

[0003] Patent No. CN202023264882.2 proposes a fast burr removing device for processing small automobile parts, including a workbench and a burr removing device installed on the workbench. A positioning block is fixedly installed at the upper end of the workbench, and a round cap is sleeved on the positioning block; the burr removing device includes a device frame, two device frames are respectively located on both sides of the workbench, a lifting groove is provided in the device frame, a lifting plate is slidably connected in the lifting groove, and the lifting plate is connected to the upper end of the lifting groove through a first spring; a motor is fixedly installed in the middle of the lower end of the lifting plate, the output shaft of the motor is fixedly connected with a rotating frame, the rotating frame is trident-shaped, and a telescopic rod is fixedly connected to the lower end of each fork of the rotating frame, and a grinding disc is fixedly connected to the lower end of the telescopic rod. When removing burrs, the round cap can be directly sleeved on the positioning block, without manual holding, avoiding injury.

[0004] However, the technical solution of this patent has the problems that it cannot automatically pick up multiple parts at the same time, automatically feed and clamp multiple parts at the same time after picking up, and cannot repeatedly grind both sides of the parts at the same time, resulting in low production efficiency.

[0005] Therefore, those skilled in the art provide a burr removing device for a crank arm to solve the above problems. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a burr removing device for a crank arm to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A burr removal device for a crank arm, comprising a frame. A material taking device is installed on the left side of the frame. A synchronous clamping device is installed in the middle side of the frame. The synchronous clamping device includes: a first cylinder, a lower guide rail, a lower slider, a sliding bracket, a clamping component and a synchronous component. The first cylinder is fixedly installed on the upper side of the frame through a bracket. Two lower guide rails are fixedly installed on the upper side of the frame. A plurality of lower sliders are slidably connected to the upper side of each lower guide rail. A sliding bracket is arranged on the upper side of each lower guide rail. The sliding bracket is fixedly installed on the upper side of the lower slider. The clamping component is installed on the side wall of the sliding bracket. The synchronous component is installed on the upper side of the frame. The output end of the first cylinder is fixedly connected to the left sliding bracket;

[0009] Furthermore, the clamping component includes: a horizontal fixing plate and a fixing block. A plurality of horizontal fixing plates are fixedly installed on the side wall of the sliding bracket at equal intervals. A plurality of fixing blocks are fixedly installed on the side wall of each horizontal fixing plate for fixing the crank arm;

[0010] Furthermore, the synchronous component includes: a gear and a rack. The gear is rotatably connected to the upper side of the frame through a rotating shaft. A rack is fixedly installed on the side wall of each sliding bracket. The gear and the rack are meshed with each other;

[0011] Furthermore, a double-sided grinding device is installed on the right side of the frame;

[0012] Furthermore, the double-sided grinding device includes: a middle guide rail, a middle slider, a special-shaped bracket and a grinding component. Two middle guide rails are fixedly installed on the upper side of the frame through brackets. A plurality of middle sliders are slidably connected to the upper side of each middle guide rail. The special-shaped bracket is fixedly installed on the upper side of the middle slider. A plurality of grinding components are installed on the special-shaped bracket;

[0013] Furthermore, the grinding component includes: a second cylinder, a driving motor and a disc wire brush. The second cylinder is fixedly installed on the lower side of the frame through a bracket. The output end of the second cylinder is fixedly connected to the right side of the special-shaped bracket through a bracket. A plurality of driving motors are fixedly installed on the special-shaped bracket. A disc wire brush is fixedly installed on the output shaft of each driving motor;

[0014] Furthermore, the material taking device includes: a horizontal sliding table cylinder, an upper guide rail, an upper slider, a cross bar, a longitudinal sliding table cylinder and a material taking component. The horizontal sliding table cylinder is fixedly installed on the rear side of the upper surface of the frame through a bracket. The upper guide rail is fixedly installed on the front side of the upper surface of the frame through a bracket. The upper slider is slidably connected to the upper side of the upper guide rail. One end of the cross bar is fixedly installed on the output end of the horizontal sliding table cylinder. The other end of the cross bar is fixedly installed on the lower slider. The longitudinal sliding table cylinder is fixedly installed on the side wall of the cross bar. The material taking component is installed on the output end of the longitudinal sliding table cylinder;

[0015] Further, the material taking component includes: a variable pitch module and a pneumatic gripper. The variable pitch module is fixedly installed on the output end of the longitudinal slide cylinder, and a plurality of pneumatic grippers are fixedly installed on the output end of the variable pitch module.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: for a burr removal device for a crank arm, when the output end of the longitudinal slide cylinder 17 moves downward, it drives the variable pitch module 18 of the material taking component to move downward. The downward movement of the variable pitch module 18 drives the pneumatic gripper 19 to move downward. The pneumatic gripper 19 is activated to simultaneously clamp the crank arms in the material box. Then, the output end of the longitudinal slide cylinder 17 moves upward. Next, when the output end of the transverse slide cylinder 15 moves to the right, it drives the cross bar 16 to move to the right. The rightward movement of the cross bar 16 drives the longitudinal slide cylinder 17 to move to the right. The rightward movement of the longitudinal slide cylinder 17 drives the variable pitch module 18 to move to the right. The rightward movement of the variable pitch module 18 drives the pneumatic gripper 19 to move to the right. The movement of the output end of the variable pitch module 18 drives the pneumatic gripper 19 to move. The output end of the longitudinal slide cylinder 17 moves downward, so that the crank arms are placed at the position of the fixed block 7 of the clamping component of the synchronous clamping device 3, which is conducive to automatically taking multiple parts at the same time, and automatically loading multiple parts at the same time after taking the materials, facilitating subsequent synchronous clamping.

[0017] When the output end of the first cylinder 4 of the synchronous clamping device 3 moves, it drives the sliding bracket 5 to move. The movement of the sliding bracket 5 drives the rack 9 on the side wall of the sliding bracket 5 to move. The movement of the rack 9 drives the gear 8 to rotate. The rotation of the gear 8 drives the rack 9 on the side wall of another sliding bracket 5 to move in the opposite direction. The movement of the sliding bracket 5 drives the multiple transverse fixing plates 6 on the sliding bracket 5 to move, so that the multiple fixed blocks 7 on the transverse fixing plates 6 move simultaneously to clamp the multiple crank arms, which is conducive to clamping multiple parts at the same time. When the output end of the second cylinder 12 of the grinding component of the double-sided grinding device 10 moves, it drives the special-shaped bracket 11 to move. The movement of the special-shaped bracket 11 drives the driving motor 13 and the disc wire brush 14 to move to the position where the crank arms are clamped. The driving motor 13 rotates to drive the disc wire brush 14 to rotate, and simultaneously grind the upper and lower surfaces of the crank arms. The output end of the second cylinder 12 moves left and right repeatedly, so that the upper and lower surfaces of the crank arms are polished back and forth, which is conducive to simultaneously and repeatedly grinding the double sides of the crank arms. The present utility model can automatically take multiple parts at the same time, automatically load and clamp multiple parts at the same time after taking the materials, and can simultaneously and repeatedly grind the double sides of the parts, with relatively high production efficiency. Description of the Drawings

[0018] Figure 1 is a schematic three-dimensional structure of the present utility model Figure 1 ;

[0019] Figure 2 is a side view of the present utility model;

[0020] Figure 3Schematic three-dimensional structure of the present utility model Figure 2 ;

[0021] Figure 4 Schematic structural diagram of the synchronous clamping device of the present utility model;

[0022] Figure 5 Schematic structural diagram of the crank arm of the present utility model.

[0023] In the figure: 1, frame; 2, material taking device; 3, synchronous clamping device; 4, first cylinder; 5, sliding bracket; 6, horizontal fixing plate; 7, fixing block; 8, gear; 9, rack; 10, double-sided grinding device; 11, special-shaped bracket; 12, second cylinder; 13, driving motor; 14, disc wire brush; 15, horizontal slide cylinder; 16, cross bar; 17, vertical slide cylinder; 18, variable pitch module; 19, pneumatic gripper. Specific embodiments

[0024] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] The "left", "right", "front", "rear", "upper", and "lower" mentioned in the following description are oriented in the perspective direction of the side view.

[0026] Please refer to Figures 1 to 5 , in the embodiment of the present utility model, a burr removal device for a crank arm includes a frame 1. A material taking device 2 is installed on the left side of the frame 1, and a synchronous clamping device 3 is installed in the middle of the frame 1. The synchronous clamping device 3 includes: a first cylinder 4, a lower guide rail, a lower slider, a sliding bracket 5, a clamping assembly, and a synchronous assembly. The first cylinder 4 is fixedly installed on the upper side of the frame 1 through a bracket. Two lower guide rails are fixedly installed on the upper side of the frame 1. A plurality of lower sliders are slidably connected to the upper side of each lower guide rail. A sliding bracket 5 is provided on the upper side of each lower guide rail. The sliding bracket 5 is fixedly installed on the upper side of the lower slider. The clamping assembly is installed on the side wall of the sliding bracket 5, and the synchronous assembly is installed on the upper side of the frame 1. The output end of the first cylinder 4 is fixedly connected to the left sliding bracket 5;

[0027] The clamping assembly includes: a horizontal fixing plate 6 and a fixing block 7. A plurality of horizontal fixing plates 6 are fixedly installed on the side wall of the sliding bracket 5 at equal intervals. A plurality of fixing blocks 7 are fixedly installed on the side wall of each horizontal fixing plate 6 for fixing the crank arm;

[0028] The synchronization component includes: a gear 8 and a rack 9. The gear 8 is rotatably connected to the upper side of the frame 1 through a rotating shaft. A rack 9 is fixedly installed on the side wall of each sliding bracket 5. The gear 8 and the rack 9 are meshed with each other;

[0029] A double-sided grinding device 10 is installed on the right side of the frame 1;

[0030] The output end of the first cylinder 4 of the synchronous clamping device 3 moves to drive the sliding bracket 5 to move. The movement of the sliding bracket 5 drives the rack 9 on the side wall of the sliding bracket 5 to move. The movement of the rack 9 drives the gear 8 to rotate. The rotation of the gear 8 drives the rack 9 on the side wall of the other sliding bracket 5 to move in the opposite direction. The movement of the sliding bracket 5 drives the multiple transverse fixing plates 6 on the sliding bracket 5 to move, so that the multiple fixing blocks 7 on the transverse fixing plates 6 move simultaneously to clamp multiple curved arms, which is beneficial to clamping multiple parts at the same time;

[0031] The double-sided grinding device 10 includes: a middle guide rail, a middle slider, a special-shaped bracket 11 and a grinding component. The two middle guide rails are fixedly installed on the upper side of the frame 1 through brackets. A plurality of middle sliders are slidably connected to the upper side of each middle guide rail. The special-shaped bracket 11 is fixedly installed on the upper side of the middle slider. A plurality of grinding components are installed on the special-shaped bracket 11;

[0032] The grinding component includes: a second cylinder 12, a driving motor 13 and a disc wire brush 14. The second cylinder 12 is fixedly installed on the lower side of the frame 1 through a bracket. The output end of the second cylinder 12 is fixedly connected to the right side of the special-shaped bracket 11 through a bracket. A plurality of driving motors 13 are fixedly installed on the special-shaped bracket 11. A disc wire brush 14 is fixedly installed on the output shaft of each driving motor 13;

[0033] The output end of the second cylinder 12 of the grinding component of the double-sided grinding device 10 moves to drive the special-shaped bracket 11 to move. The movement of the special-shaped bracket 11 drives the driving motor 13 and the disc wire brush 14 to move to the position where the curved arm is clamped. The driving motor 13 rotates to drive the disc wire brush 14 to rotate, and the upper and lower surfaces of the curved arm are ground simultaneously. The output end of the second cylinder 12 moves left and right repeatedly, so that the upper and lower surfaces of the curved arm are ground back and forth, which is beneficial to double-sided and repeated grinding of the curved arm at the same time;

[0034] The material taking device 2 includes: a horizontal sliding table cylinder 15, an upper guide rail, an upper slider, a cross bar 16, a vertical sliding table cylinder 17 and a material taking assembly. The horizontal sliding table cylinder 15 is fixedly installed on the rear side of the upper surface of the frame 1 through a bracket. The upper guide rail is fixedly installed on the front side of the upper surface of the frame 1 through a bracket. The upper side of the upper guide rail is slidably connected with the upper slider. One end of the cross bar 16 is fixedly installed on the output end of the horizontal sliding table cylinder 15, and the other end of the cross bar 16 is fixedly installed on the lower slider. The vertical sliding table cylinder 17 is fixedly installed on the side wall of the cross bar 16, and the material taking assembly is installed on the output end of the vertical sliding table cylinder 17;

[0035] The material taking assembly includes: a variable pitch module 18 and a pneumatic gripper 19. The variable pitch module 18 is fixedly installed on the output end of the vertical sliding table cylinder 17, and a plurality of pneumatic grippers 19 are fixedly installed on the output end of the variable pitch module 18;

[0036] When the output end of the vertical sliding table cylinder 17 moves downward, it drives the variable pitch module 18 of the material taking assembly to move downward. When the variable pitch module 18 moves downward, it drives the pneumatic gripper 19 to move downward. The pneumatic gripper 19 is activated to simultaneously grip the crank arms in the material box. Then, the output end of the vertical sliding table cylinder 17 moves upward. Next, the output end of the horizontal sliding table cylinder 15 moves to the right, driving the cross bar 16 to move to the right. When the cross bar 16 moves to the right, it drives the vertical sliding table cylinder 17 to move to the right. When the vertical sliding table cylinder 17 moves to the right, it drives the variable pitch module 18 to move to the right. When the variable pitch module 18 moves to the right, it drives the pneumatic gripper 19 to move to the right. When the output end of the variable pitch module 18 moves, it drives the pneumatic gripper 19 to move. The output end of the vertical sliding table cylinder 17 moves downward, so that the crank arms are placed at the position of the fixed block 7 of the clamping assembly of the synchronous clamping device 3, which is conducive to automatically taking multiple parts at the same time and automatically loading multiple parts after taking, facilitating subsequent synchronous clamping.

[0037] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A burr removal device for a crank arm, comprising a frame (1), characterized in that, A material taking device (2) is installed on the left side of the frame (1), and a synchronous clamping device (3) is installed in the middle of the frame (1). The synchronous clamping device (3) includes: a first cylinder (4), a lower guide rail, a lower slider, a sliding bracket (5), a clamping assembly and a synchronous assembly. The first cylinder (4) is fixedly installed on the upper side of the frame (1) through a bracket. Two lower guide rails are fixedly installed on the upper side of the frame (1). A plurality of lower sliders are slidably connected to the upper side of each lower guide rail. A sliding bracket (5) is arranged on the upper side of each lower guide rail. The sliding bracket (5) is fixedly installed on the upper side of the lower slider. The clamping assembly is installed on the side wall of the sliding bracket (5), and the synchronous assembly is installed on the upper side of the frame (1). The output end of the first cylinder (4) is fixedly connected to the left sliding bracket (5).

2. The burr removing device for a crank arm according to claim 1, wherein, The clamping assembly includes: a horizontal fixing plate (6) and a fixing block (7). A plurality of horizontal fixing plates (6) are fixedly installed on the side wall of the sliding bracket (5) at equal intervals. A plurality of fixing blocks (7) are fixedly installed on the side wall of each horizontal fixing plate (6).

3. The burr removing device for the crank arm according to claim 2, characterized in that, The synchronous assembly includes: a gear (8) and a rack (9). The gear (8) is rotatably connected to the upper side of the frame (1) through a rotating shaft. A rack (9) is fixedly installed on the side wall of each sliding bracket (5). The gear (8) and the rack (9) are meshed with each other.

4. The burr removing device for the crank arm according to claim 3, characterized in that, A double-sided grinding device (10) is installed on the right side of the frame (1).

5. The burr removing device for the crank arm according to claim 4, characterized in that, The double-sided grinding device (10) includes: a middle guide rail, a middle slider, a special-shaped bracket (11) and a grinding assembly. Two middle guide rails are fixedly installed on the upper side of the frame (l) through brackets. A plurality of middle sliders are slidably connected to the upper side of each middle guide rail. The special-shaped bracket (11) is fixedly installed on the upper side of the middle slider. A plurality of grinding assemblies are installed on the special-shaped bracket (11).

6. The burr removing device for the curved arm according to claim 5, characterized in that, The grinding assembly includes: a second cylinder (12), a driving motor (13) and a disc wire brush (14). The second cylinder (12) is fixedly installed on the lower side of the frame (1) through a bracket. The output end of the second cylinder (12) is fixedly connected to the right side of the special-shaped bracket (11) through a bracket. A plurality of driving motors (13) are fixedly installed on the special-shaped bracket (11). A disc wire brush (14) is fixedly installed on the output shaft of each driving motor (13).

7. The burr removing device for the crank arm according to claim 6, wherein The material taking device (2) includes: a horizontal slide table cylinder (15), an upper guide rail, an upper slider, a cross bar (16), a vertical slide table cylinder (17) and a material taking assembly. The horizontal slide table cylinder (l5) is fixedly installed on the rear side of the upper surface of the frame (1) through a bracket. The upper guide rail is fixedly installed on the front side of the upper surface of the frame (1) through a bracket. An upper slider is slidably connected to the upper side of the upper guide rail. One end of the cross bar (16) is fixedly installed on the output end of the horizontal slide table cylinder (15). The other end of the cross bar (16) is fixedly installed on the lower slider. The vertical slide table cylinder (17) is fixedly installed on the side wall of the cross bar (16). The material taking assembly is installed on the output end of the vertical slide table cylinder (17).

8. The burr removing device for the crank arm according to claim 7, characterized in that, The material taking component includes: a pitch changing module (18) and a pneumatic gripper (19). The pitch changing module (18) is fixedly installed on the output end of the longitudinal sliding table cylinder (17), and a plurality of pneumatic grippers (19) are fixedly installed on the output end of the pitch changing module (18).

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