Polishing device for pin shaft part machining

Abstract

The utility model provides a polishing device for pin shaft part machining, and relates to the technical field of pin shaft machining, the polishing device comprises a clamping part, an air cylinder is arranged on the outer side of the clamping part, a piston rod at the output end of the air cylinder is inserted into the clamping part through a preset through hole, and the insertion tail end is rotationally connected with two connecting rods through two first rotating shafts respectively; the ends, away from the piston rod, of the two connecting rods are also rotationally connected with two gears through two first rotating shafts, the two gears are each connected with a rack in an engaged mode, and the two racks are installed on the two sliding blocks correspondingly. According to the clamping device, the piston rod is driven by the air cylinder to move forwards, so that the two connecting rods are driven to move, the gears on the two sides are driven to rotate oppositely at the same time, the two gears can drive the racks connected in a meshed mode to get close to or get away from each other, a shaft pin needing to be fixed can be clamped, vibration is generated, and the pin shaft cannot be loosened; and therefore, potential safety hazards are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pin shaft processing, in particular to a grinding device for processing pin shaft parts. Background Art

[0002] Pin machining is a manufacturing process used to produce various types of pins or pin parts. These parts are usually used in mechanical devices that connect, fix or transmit force and motion.

[0003] After searching, a grinding device for pin shaft part processing disclosed by the existing patent announcement number CN220029693U relates to the field of pin shaft processing technology, wherein two movable grooves are respectively connected with the mounting grooves, a movable mechanism is installed in the mounting grooves, and the movable end of the movable mechanism is located in the movable groove, a clamping mechanism is installed on the movable end of the movable mechanism, and a rotating mechanism is installed on the fixed end of the clamping mechanism, a grinding mechanism is installed on the main body plate, a power switch group is installed on one side of the main body plate, and the input end of the power switch group is connected to the output end of the external power supply.

[0004] However, in actual use, the utility model fixes the pin shaft by rotating the two first bolts. However, this reinforcement method is cumbersome to operate and may cause vibration during the grinding process of the pin shaft, resulting in loosening of the first bolts and then the pin shaft, posing a great safety hazard. In addition, the device lacks the function of adjusting the angle and orientation of the pin shaft during the clamping process, so it is not convenient during the processing process. Utility Model Content

[0005] The technical solution of the utility model is aimed at the existing technology that solves too single technical problems, and provides a solution that is significantly different from the existing technology. In order to overcome the above defects of the existing technology, the utility model provides a new solution to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a grinding device for processing pin shaft parts, including a clamping part, a cylinder is provided on the outside of the clamping part, the piston rod at the output end of the cylinder is inserted into the inside of the clamping part through a preset through hole, and the insertion end is respectively rotatably connected to two connecting rods through two first rotating shafts, and the two connecting rods are also rotatably connected to two gears through two first rotating shafts at one end away from the piston rod, and the two gears are each meshed and connected to a rack, and the two racks are respectively installed on two sliders, and the two sliders are slidably connected in two corresponding slide grooves, and a clamping block is provided on the side of the two sliders away from the gears.

[0007] Optionally, the clamping part and the cylinder are installed on a turntable, a transmission rod is provided on the side of the turntable away from the cylinder, a worm gear is provided on the end of the transmission rod away from the turntable, each side of the worm gear is meshed with a worm, and one of the worm gears is connected to the output end of the forward and reverse motor.

[0008] Optionally, a sprocket is mounted on each of the two worms, and the two sprockets are meshed and connected to the same chain.

[0009] Optionally, an anti-sliding block is provided on the inner side of the two clamping blocks, and a plurality of anti-sliding blocks are provided and are equidistantly distributed on the clamping surface of the clamping blocks.

[0010] Optionally, the clamping portion is provided with a rectangular slot near the two clamping blocks.

[0011] Optionally, a protective shell is provided on the outside of the worm gear structure.

[0012] Optionally, the worm and the transmission rod are both installed in corresponding bearings, and the bearings are embedded in the protective housing.

[0013] Optionally, the two gears are respectively mounted on a second rotating shaft, and the two second rotating shafts are rotatably connected to the inner wall of the protective shell.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, the cylinder drives the piston rod to move forward, thereby driving the two connecting rods to move, and then driving the gears on both sides to rotate in opposite directions at the same time, so that the two gears can drive the meshing racks to move closer to or away from each other, so that the shaft pin that needs to be fixed can be clamped, and the vibration will not cause the pin shaft to loosen, thereby avoiding potential safety hazards.

[0016] 2. In the utility model, one worm is driven to rotate by a forward and reverse motor, and the other worm is connected by a chain sprocket to realize synchronous rotation of the two worms. In this way, the meshing worm wheel can be driven to rotate, thereby adjusting the angle and orientation of the pin clamped by the clamping part on the turntable, which is convenient for processing and production. The double worm design makes the rotation of the worm wheel and the transmission rod more stable and smooth, thereby improving the accuracy and stability of the turntable rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a grinding device for machining pin shaft parts provided by the utility model;

[0018] Figure 2 A schematic cross-sectional view of a clamping structure of a grinding device for machining a pin shaft part provided by the utility model;

[0019] Figure 3A schematic cross-sectional view of a worm gear structure of a grinding device for machining pin shaft parts provided by the utility model;

[0020] Figure 4 The utility model provides a structural schematic diagram of a sprocket chain of a grinding device for processing pin shaft parts.

[0021] Legend:

[0022] 1. Clamping part; 2. Cylinder; 3. Piston rod; 4. Connecting rod; 5. First rotating shaft; 6. Second rotating shaft; 7. Gear; 8. Slide groove; 9. Slider; 10. Rack; 11. Clamping block; 12. Anti-sliding block; 13. Rectangular slot; 14. Turntable; 15. Transmission rod; 16. Bearing; 17. Protective housing; 18. Forward and reverse motor; 19. Worm; 20. Worm wheel; 21. Chain; 22. Sprocket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example

[0025] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model provides a technical solution: a grinding device for processing pin shaft parts, comprising a clamping part 1, a cylinder 2 is provided on the outside of the clamping part 1, a piston rod 3 at the output end of the cylinder 2 is inserted into the clamping part 1 through a preset through hole, and the insertion end is respectively connected to two connecting rods 4 through two first rotating shafts 5, and the two connecting rods 4 are also connected to two gears 7 through two first rotating shafts 5 at one end away from the piston rod 3, and the two gears 7 are respectively meshed and connected to a rack 10, and the two racks 10 are respectively mounted on two sliders 9, and the two sliders 9 are slidably connected in two corresponding slide grooves 8, and a clamping block 11 is provided on the side of the two sliders 9 away from the gear 7.

[0026] In this embodiment, the cylinder 2 drives the piston rod 3 to move forward, thereby driving the two connecting rods 4 to move, and then driving the gears 7 on both sides to rotate in opposite directions at the same time, so that the two gears 7 can drive the meshing racks 10 to move closer to or away from each other, thereby clamping the axle pin that needs to be fixed, and vibration will not cause the pin shaft to loosen, thereby avoiding potential safety hazards.

[0027] The clamping part 1 and the cylinder 2 are installed on a turntable 14. A transmission rod 15 is provided on the side of the turntable 14 away from the cylinder 2. A worm wheel 20 is provided on the end of the transmission rod 15 away from the turntable 14. A worm 19 is meshed and connected on both sides of the worm wheel 20, and one of the worm gears 19 is connected to the output end of the forward and reverse motor 18. A sprocket 22 is installed on each of the two worm gears 19, and the two sprockets 22 are meshed and connected to the same chain 21.

[0028] In this embodiment, a worm 19 is driven to rotate by a forward and reverse motor 18, and the other worm 19 is connected by a chain 21 and a sprocket 22 to achieve synchronous rotation of the two worms 19. In this way, the meshing worm wheel 20 can be driven to rotate, thereby adjusting the angle and orientation of the pin shaft clamped by the clamping part 1 on the turntable 14, which is convenient for processing and production. The double worm 19 design makes the rotation of the worm wheel 20 and the transmission rod 15 smoother, thereby improving the accuracy and stability of the rotation of the turntable 14.

[0029] Anti-sliding blocks 12 are provided inside the two clamping blocks 11 . A plurality of anti-sliding blocks 12 are provided and are evenly distributed on the clamping surfaces of the clamping blocks 11 . A rectangular slot 13 is provided on the clamping portion 1 near the two clamping blocks 11 .

[0030] In this embodiment, the anti-sliding block 12 can increase the surface friction of the clamping surface of the clamping block 11, thereby improving the fixing ability of the clamping block 11. At the same time, the rectangular slot 13 reserves a working space for the movement of the clamping block 11.

[0031] A protective shell 17 is provided on the outside of the worm wheel 20 and worm 19 structure. The worm 19 and the transmission rod 15 are installed in their respective corresponding bearings 16. The bearings 16 are embedded in the protective shell 17. The two gears 7 are each installed on a second rotating shaft 6. The two second rotating shafts 6 are rotatably connected to the inner wall of the protective shell 17.

[0032] In this embodiment, the protective housing 17 plays a protective role, and the bearing 16 plays a role in supporting and fixing the worm 19 and the transmission rod 15 .

[0033] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A grinding device for machining pin parts, comprising a clamping portion (1), characterized in that: A cylinder (2) is provided on the outside of the clamping part (1); a piston rod (3) at the output end of the cylinder (2) is inserted into the clamping part (1) through a preset through hole, and the insertion end is rotatably connected to two connecting rods (4) through two first rotating shafts (5), and the ends of the two connecting rods (4) away from the piston rod (3) are also rotatably connected to two gears (7) through two first rotating shafts (5). The two gears (7) are each meshedly connected to a rack (10), and the two racks (10) are respectively mounted on two sliders (9). The two sliders (9) are slidably connected in two corresponding slide grooves (8), and a clamping block (11) is provided on the side of the two sliders (9) away from the gear (7).

2. A grinding device for pin shaft parts processing according to claim 1, characterized in that: The clamping portion (1) and the cylinder (2) are mounted on a turntable (14); a transmission rod (15) is provided on the side of the turntable (14) away from the cylinder (2); a worm gear (20) is provided on the end of the transmission rod (15) away from the turntable (14); two sides of the worm gear (20) are meshedly connected to a worm (19), and one of the worm gears (19) is connected to the output end of a forward and reverse motor (18).

3. A grinding device for pin shaft parts processing according to claim 2, characterized in that: A sprocket wheel (22) is mounted on each of the two worms (19), and the two sprocket wheels (22) are meshed and connected to the same chain (21).

4. A grinding device for pin shaft parts processing according to claim 1, characterized in that: Anti-sliding blocks (12) are provided on the inner sides of the two clamping blocks (11), and a plurality of anti-sliding blocks (12) are provided and are evenly distributed on the clamping surfaces of the clamping blocks (11).

5. A grinding device for pin shaft parts processing according to claim 1, characterized in that: The clamping portion (1) is provided with a rectangular slot (13) near the two clamping blocks (11).

6. A grinding device for machining pin parts according to claim 3, characterized in that: A protective housing (17) is provided outside the worm wheel (20) and worm (19) structure.

7. A grinding device for machining pin parts according to claim 3, characterized in that: The worm (19) and the transmission rod (15) are both installed in their corresponding bearings (16), and the bearings (16) are embedded in the protective housing (17).

8. A grinding device for pin shaft parts processing according to claim 1, characterized in that: The two gears (7) are respectively mounted on a second rotating shaft (6), and the two second rotating shafts (6) are rotatably connected to the inner wall of the protective shell (17).

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