Fixture for gear long shaft drilling

By designing a gear-driven long shaft fixture with a fine-tuning device, the problem of low efficiency caused by frequent drilling position adjustments in existing technologies has been solved, achieving efficient and convenient long shaft drilling.

CN223603908UActive Publication Date: 2025-11-28CHANGZHOU CHUNSHUN MASCH CO LTD
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Patent Information

Application Number
CN202422865097.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-23
Publication Date
2025-11-28
Estimated Expiration
2034-11-23

AI Technical Summary

Technical Problem

The current method of drilling long shafts for gears requires frequent adjustments to the drilling position, resulting in low processing efficiency.

Method used

A clamp including a fine-tuning device was designed to achieve stable clamping and precise position adjustment of a long shaft through a cylinder, a motor and the fine-tuning device, avoiding multiple installations and disassemblies.

Benefits of technology

It improves drilling efficiency, ensures accurate drilling position, eliminates the need for frequent adjustments to the long shaft position, and enhances operational convenience and efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223603908U_ABST
    Figure CN223603908U_ABST
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Abstract

The utility model relates to the technical field of long shaft clamping, in particular to a clamp for gear long shaft drilling, a fine adjustment device comprises a long groove, two L-shaped plates are connected in the long groove in a sliding mode, U-shaped plates are fixedly installed at the ends, away from the long groove, of the L-shaped plates, and protruding blocks are fixedly installed on the surfaces of the inner walls of the horizontal ends of the two U-shaped plates. A connecting rod is fixedly installed between the two protruding blocks, threaded rods are rotationally connected between the inner walls of the two sides of the two U-shaped plates, rotating wheels are fixedly installed on the surfaces of the threaded rods, sliding rods are fixedly installed between the inner walls of the two sides of the two U-shaped plates, and the surfaces of the threaded rods are in threaded connection with two sliding strip plates. The fixture for gear long shaft drilling solves the problems that when an existing fixture for gear long shaft drilling is used for drilling, a pressing plate is adopted for positioning, the pressing plate presses a slender shaft, the pressing plate is connected with a drilling machine workbench through a bolt, the fixing mode cannot be adjusted, fine adjustment cannot be conducted according to the drilling position, repeated disassembly and adjustment are needed, time and labor are wasted, and the machining efficiency is affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to long shaft clamping technical field especially relates to a gear long shaft drilling processing clamp. BACKGROUND

[0002] Gear long shaft refers to the mechanical part that supports rotating parts and rotates with them to transmit motion, torque or bending moment, which is generally a metal round rod, and each section can have different diameters.

[0003] The existing patent No. CN203003602U long shaft multi-station opposite drilling clamp, the patent adopts the adjusting positioning assembly to realize the positioning requirement and precision of different structure long shaft workpieces, can accurately position and fix the long shaft workpiece, can realize high-precision and high-efficiency processing of multiple varieties and multiple stations, and through a set of clamp, multiple varieties can be realized, the replacement frequency of the clamp is reduced, operation is convenient, and the labor intensity of the operator is reduced.

[0004] The inventor found that the above-mentioned patent adopts a pressing plate positioning when drilling, the pressing plate presses the long shaft, and the pressing plate is connected with the drilling bed workbench through a bolt, this fixing mode can stably fix the long shaft, but if it is found that the drilling position needs to be finely adjusted during debugging, it needs to be disassembled and adjusted back and forth, which is time-consuming and laborious and affects the processing efficiency. UTILITY MODEL CONTENT

[0005] The utility model discloses a gear long shaft drilling processing clamp to solve the technical problem in the above background.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a gear long shaft drilling processing clamp, including the base, the surface fixed mounting of base has L type support, the top surface fixed mounting of L type support horizontal end has the cylinder, the output fixed mounting of cylinder has the first motor, the output fixed mounting of first motor has the drill bit, the surface of base is equipped with the fine adjustment device, the fine adjustment device includes the long slot, the long slot sets up in the surface of base, the inside sliding connection of long slot has two L type plates, the fixed mounting of U type board is equipped with two U type boards away from the long slot one end, the inner wall surface fixed mounting of two U type boards horizontal ends all has the protruding piece, two The fixed mounting of connecting rod between protruding piece.

[0007] Preferably, the two side inner walls of the two U-shaped plates are rotationally connected with threaded rods, the surfaces of the threaded rods are fixedly installed with rotating wheels, the threads on the surfaces of the threaded rods are reverse to each other with the rotating wheels as the center, the two side inner walls of the two U-shaped plates are fixedly installed with slide rods, and the surfaces of the threaded rods are threadedly connected with two slide strip plates.

[0008] Preferably, the surfaces of the two slide strip plates are fixedly installed with sockets, the interiors of the sockets are movably inserted with round rods, and the ends, away from the sockets, of the round rods are fixedly installed with clamping rings. The clamping rings can clamp and fix the long shaft.

[0009] Preferably, the surfaces of the two slide strip plates are fixedly installed with sockets, the interiors of the sockets are movably inserted with round rods, and the ends, away from the sockets, of the round rods are fixedly installed with clamping rings. The clamping rings can clamp and fix the long shaft.

[0010] Preferably, the surfaces of the two slide strip plates are fixedly installed with sockets, the interiors of the sockets are movably inserted with round rods, and the ends, away from the sockets, of the round rods are fixedly installed with clamping rings. The clamping rings can clamp and fix the long shaft.

[0011] Preferably, the surfaces of the two slide strip plates are fixedly installed with sockets, the interiors of the sockets are movably inserted with round rods, and the ends, away from the sockets, of the round rods are fixedly installed with clamping rings. The clamping rings can clamp and fix the long shaft.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] In the utility model, the fine adjustment device is arranged, the position of the long shaft can be finely adjusted, the drilling position is not deviated, the long shaft does not need to be installed, disassembled and adjusted for many times, and the overall machining efficiency is high. ACCURACY

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is another angle schematic view of the utility model;

[0016] Figure 3 It is another angle schematic view of the utility model; Figure 1

[0017] Figure 4 It is another angle schematic view of the utility model;​Figure 2 Structure diagram at middle B;

[0018] Legend:

[0019] 1, base; 2, fine adjustment device; 201, long slot; 202, L-shaped plate; 203, U-shaped plate; 204, protrusion; 205, connecting rod; 206, threaded rod; 207, rotating wheel; 208, sliding rod; 209, sliding bar plate; 210, socket; 211, round rod; 212, clamping ring; 213, sliding groove; 214, displacement plate; 215, second motor; 216, gear body; 217, rack; 3, limiting device; 31, vertical rod; 32, moving plate; 33, positioning rod; 34, positioning hole; 35, pull ring; 36, round plate; 37, spring; 4, L-shaped support; 5, air cylinder; 6, first motor; 7, drill bit. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of clamp for gear long shaft drilling, including base 1, the surface of base 1 is fixedly installed with L-shaped support 4, the top surface of horizontal end of L-shaped support 4 is fixedly installed with air cylinder 5, the output end of air cylinder 5 is fixedly installed with first motor 6, and the output end of first motor 6 is fixedly installed with drill bit 7.

[0021] In the embodiment: the surface of base 1 is equipped with fine adjustment device 2, fine adjustment device 2 includes long slot 201, long slot 201 is opened in the surface of base 1, two L-shaped plates 202 are slidably connected in the inside of long slot 201, U-shaped plate 203 is fixedly installed at the end of L-shaped plate 202 away from long slot 201, protrusion 204 is fixedly installed on the inner wall surface of horizontal end of two U-shaped plates 203, connecting rod 205 is fixedly installed between two protrusions 204, long slot 201 and L-shaped plate 202 are set to allow U-shaped plate 203 to be stably moved, threaded rod 206 is rotatably connected between the inner walls of the two sides of two U-shaped plates 203, rotating wheel 207 is fixedly installed on the surface of threaded rod 206, the threads on the surface of threaded rod 206 are reverse threads with rotating wheel 207 as center, sliding rod 208 is fixedly installed between the inner walls of the two sides of two U-shaped plates 203, two sliding bar plates 209 are screwedly connected on the surface of threaded rod 206, rotating wheel 207 is set to drive threaded rod 206 to rotate, socket 210 is fixedly installed on the surface of two sliding bar plates 209, round rod 211 is movably inserted into the inside of socket 210, clamping ring 212 is fixedly installed at the end of round rod 211 away from socket 210. Clamping ring 212 is set to clamp and fix long shaft.

[0022] Specific, the side of the base 1 is provided with a sliding slot 213, the inside of the sliding slot 213 is slidably connected with a displacement plate 214, one end of the displacement plate 214 away from the sliding slot 213 is fixedly connected with one of the U-shaped plates 203, the surface of the vertical end of the displacement plate 214 is fixedly installed with a second motor 215, the output end of the second motor 215 is fixedly installed with a gear body 216, the surface of the base 1 is fixedly installed with a rack 217, the gear body 216 and the rack 217 are engaged with each other. The setting of the displacement plate 214 plays a role in driving the U-shaped plate 203 to move, the surface of each sliding strip plate 209 is provided with a limiting device 3, the limiting device 3 comprises a vertical rod 31, the vertical rod 31 is fixedly installed on the surface of the sliding strip plate 209, the surface of the vertical rod 31 is slidably connected with a moving plate 32, the surface of the moving plate 32 is fixedly installed with a positioning rod 33, the outer wall surface of the round rod 211 is provided with a positioning hole 34, one end surface of the moving plate 32 away from the positioning rod 33 is fixedly installed with a pull ring 35. When it is necessary to replace the clamping ring 212 of the corresponding size according to the size of the long shaft, first pull the pull ring 35, the pull ring 35 moves to drive the moving plate 32 to move on the surface of the vertical rod 31, the moving plate 32 moving on the surface of the vertical rod 31 will extrude the spring 37, so that the spring 37 is compressed under stress, at the same time, the moving plate 32 moving on the surface of the vertical rod 31 also drives the positioning rod 33 to move, the movement of the positioning rod 33 makes it move out of the inside of the positioning hole 34, the separation of the positioning rod 33 and the positioning hole 34 makes the round rod 211 lose the limitation in the inside of the socket 210, at this time, the round rod 211 can be pulled out of the inside of the socket 210, completing the disassembly work of the clamping ring 212, through the cooperation of the above structure, the clamping ring 212 can be disassembled, so that the clamping ring 212 of different sizes can be replaced to realize the purpose of clamping the long shaft of different sizes, further improving the practicality of the device, one end surface of the vertical rod 31 away from the sliding strip plate 209 is fixedly installed with a round plate 36, the round plate 36 and the moving plate 32 are fixedly installed with a spring 37, the setting of the spring 37 plays a role in limiting the position of the moving plate 32 on the surface of the vertical rod 31.

[0023] Working principle: by setting the fine adjustment device 2, when need to use the device, first put the long shaft of the gear between the four clamping ring 212, then turn the rotating wheel 207, rotating wheel 207 rotating screw rod 206, because the screw rod 206 surface thread with rotating wheel 207 as the center of each other reverse thread, so the rotating wheel 207 in driving screw rod 206 rotation, its surface thread connection two slide strip plate 209 will move in the direction of the surface of the slide bar 208 to each other, two slide strip plate 209 in the direction of the surface of the slide bar 208 to each other, the two clamping ring 212 to each other in the direction of the movement of the long shaft clamping fixed, when the long shaft clamping fixed, start the second motor 215, the second motor 215 start gear body 216 rotation, gear body 216 rotation and rack 217 meshing, and then make the displacement plate 214 in the inside of the slide groove 213, displacement plate 214 in the inside of the slide groove 213 drive one of the U plate move, one of the U plate 203 move drive the lug 204 move, lug 204 move drive the connecting rod 205 move, connecting rod 205 move drive another U plate 203 move, two U plate 203 move at the same time drive the long shaft move, the position of the long shaft fine adjustment, when the long shaft moves to the appropriate position, start the air cylinder 5 and the first motor 6, air cylinder 5 start drive the first motor 6 and drill bit 7 move, when the drill bit 7 moves to the position and the long shaft surface contact, at this time, the first motor 6 drive drill bit 7 rotation, drill bit 7 rotation complete the drilling work of the long shaft, through the cooperation of the above structure, the long shaft position can be fine tuned, ensure that the drilling position is not offset, without long shaft installation and disassembly adjustment, the overall processing efficiency is higher. When you need to replace the corresponding size of the clamping ring 212 according to the size of the long shaft, first pull the pull ring 35, pull ring 35 move drive the moving plate 32 in the surface of the vertical rod 31, moving plate 32 in the surface of the vertical rod 31 will extrude spring 37, so that the spring 37 stress compression, at the same time, moving plate 32 in the surface of the vertical rod 31 drive the positioning rod 33 move, positioning rod 33 move makes itself from the inside of the positioning hole 34, positioning rod 33 and positioning hole 34 separation makes the round rod 211 in the inside of the socket 210 lose limit, at this time, you can pull out the round rod 211 from the inside of the socket 210, complete the disassembly work of the clamping ring 212, through the cooperation of the above structure, the clamping ring 212 can be disassembled, so as to replace the different size of the clamping ring 212 to realize the purpose of clamping the long shaft of different size, further improve the practicability of the device.

Claims

1. A jig for drilling a long gear shaft, comprising a base (1), wherein an L-shaped bracket (4) is fixedly mounted on the surface of the base (1), a cylinder (5) is fixedly mounted on the top surface of the horizontal end of the L-shaped bracket (4), a first motor (6) is fixedly mounted on the output end of the cylinder (5), and a drill bit (7) is fixedly mounted on the output end of the first motor (6), characterized in that: The surface of the base (1) is provided with fine adjustment device (2), the fine adjustment device (2) includes long slot (201), the long slot (201) is opened in the surface of base (1), the inside of long slot (201) is slidably connected with two L-shaped plates (202), the end away from long slot (201) of L-shaped plate (202) is fixedly installed with U-shaped plate (203), the inner wall surface of the horizontal end of two U-shaped plates (203) is fixedly installed with lug (204), the connecting rod (205) is fixedly installed between two lug (204).

2. The jig for drilling a long shaft of a gear according to claim 1, wherein: Threaded rod (206) is rotatably connected between the inner walls of the two sides of two U-shaped plates (203), the surface of threaded rod (206) is fixedly installed with rotating wheel (207), the threads on the surface of threaded rod (206) are reverse threads with rotating wheel (207) as the center, sliding rod (208) is fixedly installed between the inner walls of the two sides of two U-shaped plates (203), two sliding strip plates (209) are threadedly connected to the surface of threaded rod (206).

3. The jig for drilling a long shaft of a gear according to claim 2, wherein: The surface of two sliding strip plates (209) is fixedly installed with socket (210), the inside of socket (210) movably inserts round rod (211), the end away from socket (210) of round rod (211) is fixedly installed with clamping ring (212).

4. The jig for drilling a long shaft of a gear according to claim 3, wherein: The side of base (1) is provided with sliding groove (213), the inside of sliding groove (213) is slidably connected with displacement plate (214), the end away from sliding groove (213) of displacement plate (214) and one of U-shaped plates (203) are fixedly connected, the surface of vertical end of displacement plate (214) is fixedly installed with second motor (215), the output end of second motor (215) is fixedly installed with gear body (216), the surface of base (1) is fixedly installed with rack (217), the gear body (216) and rack (217) are engaged with each other.

5. The jig for drilling a long shaft of a gear according to claim 4, wherein: The surface of each sliding strip plate (209) is provided with limiting device (3), the limiting device (3) includes vertical rod (31), the vertical rod (31) is fixedly installed on the surface of sliding strip plate (209), the surface of vertical rod (31) is slidably connected with moving plate (32), and a reset member is arranged between the vertical rod (31) and the sliding strip plate (209).

6. The jig for drilling a long shaft of a gear according to claim 5, wherein: The surface of moving plate (32) is fixedly installed with positioning rod (33), the outer wall surface of round rod (211) is provided with positioning hole (34), and the surface of the end away from positioning rod (33) of moving plate (32) is fixedly installed with pull ring (35).

7. The jig for drilling a long shaft of a gear according to claim 6, wherein: The reset member includes spring (37) and circular plate (36), the circular plate (36) is fixedly installed at the end of vertical rod (31) away from the sliding strip plate (209), and the spring (37) is fixedly installed between the circular plate (36) and the moving plate (32).

Citation Information

Patent Citations

  • Multi-station different-direction drilling clamp for spindly shafts

    CN203003602U