Gear production punching device
The problem of gear misalignment was solved by using worm gear transmission and self-centering clamping components, resulting in a gear production device that provides stable clamping and environmental cleanliness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING SHANHE MASCH CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-06-19
AI Technical Summary
Existing gear production equipment is prone to gear position displacement during the fixing process due to synchronization issues with the hydraulic telescopic rod, affecting processing accuracy and stability.
The system employs a worm gear transmission structure and a self-centering clamping assembly. The worm drives the clamping assembly to achieve self-centering and fixing of the gear, and a collection bucket is used to collect drilling debris, ensuring processing stability and environmental cleanliness.
It achieves stable clamping of gears, prevents misalignment, ensures machining accuracy, and maintains a clean working environment.
Smart Images

Figure CN224372859U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle gear manufacturing technology, specifically a drilling device for gear manufacturing. Background Technology
[0002] Gears are indispensable parts in automotive transmissions, and their applications are extremely widespread in mechanical transmission and the entire mechanical field. To reduce the weight of gears and facilitate their handling and use during operation, multiple weight-reducing holes are usually drilled on the gears during machining. In order for the gears to operate normally without deviation during operation, the machined weight-reducing holes need to be evenly distributed on the end face of the gear, that is, the weight-reducing holes need to have the same coaxiality as the gear.
[0003] In the manufacturing process of automotive gears, the gears are first clamped and positioned, and then drilled using a drilling machine. A search reveals a method for producing automotive gears and an automotive gear drilling device disclosed in patent publication number CN110202329A. The U-shaped support plate combined with the positioning stud facilitates the fixing of the gear position. The first hydraulic telescopic rod facilitates the lifting and adjusting of the motor. The extension of the second hydraulic telescopic rod can push out the arc-shaped clamp plate, which can support and position the gear. The extension of the third hydraulic telescopic rod can push out the triangular locking block, which can engage and position the gear.
[0004] The device uses multiple hydraulic telescopic rods in conjunction with an arc-shaped clamp to limit and fix the gear. However, multiple hydraulic telescopic rods need to work synchronously to achieve the centering and fixing of the gear. When one of the hydraulic telescopic rods has a mechanical failure or does not work synchronously, it is impossible to accurately fix the gear, resulting in the gear's fixed position being offset. To address this issue, we propose a drilling device for gear production. Utility Model Content
[0005] The purpose of this invention is to provide a drilling device for gear production to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a drilling device for gear production, comprising a workbench, a support leg fixedly connected to the bottom end of the workbench, a fixed column fixedly connected to both ends of the top of the workbench, a gantry slide fixedly connected to the top of the fixed column, a hydraulic cylinder fixedly installed at the drive end of the gantry slide, and a drilling motor fixedly connected to the drive end of the hydraulic cylinder.
[0007] A fixed ring is fixedly connected to the center of the top of the workbench. A rotating ring is coaxially rotatably sleeved around the fixed ring. A worm gear ring is fixedly sleeved around the rotating ring. A worm is meshed with one side of the worm gear ring. Support seats are rotatably connected to both sides of the worm. The support seats are fixedly connected to the top of the workbench. A handwheel is fixedly connected to one end of the worm. A positioning component is fixedly connected to the other end of the worm. A clamping component is rotatably connected to the top of the fixed ring and the rotating ring.
[0008] Preferably, a collection bucket is fixedly connected to the bottom end of the workbench, and the collection bucket is connected to a fixing ring.
[0009] Preferably, the output shaft of the drilling motor is connected to a drill bit.
[0010] Preferably, the positioning assembly includes a transmission block, a positioning groove, a positioning rod, a support cylinder, a toggle rod, an operating port, and a spring. One end of the transmission block is coaxially fixedly connected to the end of a worm gear. The outer wall of the transmission block is recessed with multiple positioning grooves, which are evenly distributed circumferentially. One end of the positioning rod is inserted into a single positioning groove. The other end of the positioning rod is slidably sleeved onto the support cylinder. The end of the support cylinder away from the transmission block is fixedly connected to the top of the worktable. An operating port is provided through one side of the support cylinder. A toggle rod is slidably disposed within the operating port. One end of the toggle rod is fixedly connected to one side of the positioning rod. The end of the positioning rod away from the transmission block is fixedly connected to one end of the spring. The other end of the spring is fixedly connected to the inner wall of the support cylinder.
[0011] Preferably, the clamping assembly includes an upper clamping rod, a first high fixing seat, a second high fixing seat, a lower clamping rod, a first low fixing seat, a second low fixing seat, and a clamping block. Two upper clamping rods are arranged in parallel and symmetrical arrangement. The opposite ends of the two upper clamping rods are respectively fixedly connected to the first high fixing seat. The bottom end of the first high fixing seat is rotatably connected to the top end of a rotating ring. The other ends of the two upper clamping rods are respectively slidably sleeved on the second high fixing seat. The bottom end of the second high fixing seat is rotatably connected to the top end of a fixing ring. Two lower clamping rods are arranged in parallel and symmetrical arrangement. The opposite ends of the two lower clamping rods are respectively fixedly connected to the second low fixing seat. The bottom end of the second low fixing seat is rotatably connected to the top end of a rotating ring. The other ends of the two lower clamping rods are respectively slidably sleeved on the first low fixing seat. The bottom end of the first low fixing seat is rotatably connected to the top end of a fixing ring.
[0012] Preferably, a clamping block is fixedly connected to the middle of the two lower clamping rods, and a placement groove is recessed in the middle of the two upper clamping rods respectively. The upper and lower clamping rods are staggered vertically, and the length directions of the upper and lower clamping rods are perpendicular to each other.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. The clamping assembly enables self-centering and fixed clamping of the gear, ensuring the stability of the gear clamping and preventing gear displacement during clamping and fixing.
[0015] 2. During drilling operations, drilling debris is collected in a collection bucket, ensuring the cleanliness of the working environment;
[0016] 3. The worm gear transmission structure drives the clamping assembly to perform clamping work. At the same time, the worm gear transmission structure, together with the positioning assembly, ensures the stability during clamping and prevents the gears from loosening after clamping. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a top-view structural diagram of the present invention;
[0019] Figure 3 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.
[0020] In the diagram: 1. Workbench; 2. Support leg; 3. Fixed column; 4. Gantry slide; 5. Hydraulic cylinder; 6. Drilling motor; 61. Drill bit; 7. Fixed ring; 8. Rotary ring; 9. Clamping assembly; 91. Upper clamping rod; 91. Placement slot; 92. High fixed seat one; 93. High fixed seat two; 94. Lower clamping rod; 95. Low fixed seat one; 96. Low fixed seat two; 97. Clamping block; 10. Worm gear ring; 11. Worm; 12. Handwheel; 13. Positioning assembly; 13. Transmission block; 131. Positioning slot; 132. Positioning rod; 133. Support cylinder; 134. Actuating rod; 135. Operating port; 136. Spring; 137. Support seat; 14. Collection bucket; 15. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Example 1
[0023] Reference Figure 1 , 2This is the first embodiment of the present utility model. This embodiment provides a drilling device for gear production, including a workbench 1. A support leg 2 is fixedly connected to the bottom end of the workbench 1. Fixed columns 3 are fixedly connected to both ends of the top of the workbench 1. A gantry slide 4 is fixedly connected to the top of the fixed columns 3. A hydraulic cylinder 5 is fixedly installed at the drive end of the gantry slide 4. A drilling motor 6 is fixedly connected to the drive end of the hydraulic cylinder 5. When the gantry slide 4 works, it drives the hydraulic cylinder 5 and the drilling motor 6 to move to the required drilling position.
[0024] A fixed ring 7 is fixedly connected to the center of the top of the workbench 1. A rotating ring 8 is coaxially rotatably sleeved outside the fixed ring 7. A worm gear ring 10 is fixedly sleeved outside the rotating ring 8. A worm 11 is meshed with one side of the worm gear ring 10. Support seats 14 are rotatably connected to both sides of the worm 11. Support seats 14 are fixedly connected to the top of the workbench 1. A handwheel 12 is fixedly connected to one end of the worm 11. A positioning component 13 is fixedly connected to the other end of the worm 11. A clamping component 9 is rotatably connected to the top of the fixed ring 7 and the rotating ring 8.
[0025] Example 2
[0026] Reference Figure 1-3 This is the second embodiment of the present invention. This embodiment is based on the previous embodiment. Specifically, a collection bucket 15 is fixedly connected to the bottom end of the workbench 1. The collection bucket 15 is connected to the fixing ring 7. The debris generated by drilling passes through the fixing ring 7 under the action of gravity and falls into the collection bucket 15 for collection.
[0027] Specifically, the output shaft of the drilling motor 6 is connected to the drill bit 61. When the drilling motor 6 is working, it drives the drill bit 61 to rotate, and in conjunction with the descent of the hydraulic cylinder 5, it performs drilling operations on the gear.
[0028] Specifically, the positioning component 13 includes a transmission block 131, a positioning groove 132, a positioning rod 133, a support cylinder 134, a toggle rod 135, an operating port 136, and a spring 137. One end of the transmission block 131 is coaxially fixedly connected to the end of the worm gear 11. The outer wall of the transmission block 131 is recessed with multiple positioning grooves 132, which are evenly distributed around the circumference. One end of the positioning rod 133 is inserted into a single positioning groove 132. The other end of the positioning rod 133 is slidably sleeved onto the support cylinder 134. The end of the support cylinder 134 away from the transmission block 131 is fixedly connected to the top of the workbench 1. An operating port 136 is provided through one side of the support cylinder 134. A toggle rod 135 is slidably arranged inside the operating port 136. One end of the toggle rod 135 is fixedly connected to one side of the positioning rod 133. The end of the positioning rod 133 away from the transmission block 131 is fixedly connected to one end of the spring 137. The other end of the spring 137 is fixedly connected to the inner wall of the support cylinder 134.
[0029] Specifically, the clamping assembly 9 includes an upper clamping rod 91, a first high fixing seat 92, a second high fixing seat 93, a lower clamping rod 94, a first low fixing seat 95, a second low fixing seat 96, and a clamping block 97. Two upper clamping rods 91 are arranged in parallel and symmetrical arrangement. The opposite ends of the two upper clamping rods 91 are respectively fixedly connected to the first high fixing seat 92. The bottom ends of the first high fixing seat 92 are respectively rotatably connected to the top end of the rotating ring 8. The other ends of the two upper clamping rods 91 are respectively slidably sleeved on the second high fixing seat 93. The bottom ends of the second high fixing seat 93 are respectively rotatably connected to the top end of the fixing ring 7. Two lower clamping rods 94 are arranged in parallel and symmetrical arrangement. The opposite ends of the two lower clamping rods 94 are respectively fixedly connected to the second low fixing seat 96. The bottom ends of the second low fixing seat 96 are respectively rotatably connected to the top end of the rotating ring 8. The other ends of the two lower clamping rods 94 are respectively slidably sleeved on the first low fixing seat 95. The bottom ends of the first low fixing seat 95 are respectively rotatably connected to the top end of the fixing ring 7.
[0030] Furthermore, a clamping block 97 is fixedly connected to the middle of the two lower clamping rods 94, and a placement groove 911 is recessed in the middle of the two upper clamping rods 91 respectively. The upper clamping rods 91 and the lower clamping rods 94 are staggered vertically, and the length directions of the upper clamping rods 91 and the lower clamping rods 94 are perpendicular to each other, so that a rectangular space structure is formed between the upper clamping rods 91 and the lower clamping rods 94. When the rotating ring 8 is working, the space of the rectangular body will become larger or smaller, so as to realize the clamping operation of the gear.
[0031] The working principle and process are as follows: The gear to be drilled is placed in the placement slot 911 of the clamping assembly 9. The actuating rod 135 of the positioning assembly 13 is manually pressed down. The actuating rod 135 drives the fixed positioning rod 133 to press down. The end of the positioning rod 133 disengages from the insertion of the positioning slot 132 and maintains the position of the positioning rod 133. At this time, the handwheel 12 is manually turned. The handwheel 12 drives the fixed worm gear 11 to rotate. The worm gear 11 drives the meshing worm wheel ring 10 to rotate. The worm wheel ring 10 drives the rotating ring 8 to rotate. The rotating ring 8 drives the high fixed seat 92 and the low fixed seat 96 of the clamping assembly 9 to rotate synchronously in a circular motion. The second fixed seat 96 drives the upper clamping rod 91 and the lower clamping rod 94 to move closer to each other, that is, the two clamping rods 91 and the two lower clamping rods 94 move closer to each other, so that the rectangular structure formed between the two clamping rods 91 and the two lower clamping rods 94 gradually shrinks. The lower clamping rod 94 drives the fixed clamping block 97 to clamp and fix the gear. At the same time, it cooperates with the inner wall of the placement groove 911 to clamp and fix the gear. After the clamping and fixing is completed, the actuating rod 135 is manually released. Under the elastic force of the spring 137, the positioning rod 133 is lifted and re-inserted into the positioning groove 132, thereby limiting and fixing the transmission block 131 to prevent the worm gear 11 from rotating.
[0032] It should be noted that the specific models and specifications of the gantry slide, hydraulic cylinder, and drilling motor need to be selected and determined based on the actual specifications of the device. The specific selection and calculation methods adopt existing technologies in this field, so they will not be described in detail here.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A punching device for gear production, comprising a workbench (1), the bottom end of the workbench (1) is fixedly connected with a supporting leg (2), characterized in that: The top two ends of the workbench (1) are fixedly connected to fixed columns (3), the top of the fixed columns (3) are fixedly connected to gantry slides (4), the driving end of the gantry slides (4) is fixedly installed with hydraulic cylinders (5), and the driving end of the hydraulic cylinders (5) is fixedly connected to drilling motors (6). A fixed ring (7) is fixedly connected to the center of the top of the workbench (1). A rotating ring (8) is coaxially rotatably sleeved on the outside of the fixed ring (7). A worm gear ring (10) is fixedly sleeved on the outside of the rotating ring (8). A worm (11) is meshed with one side of the worm gear ring (10). Support seats (14) are rotatably connected to both sides of the worm (11). The support seats (14) are fixedly connected to the top of the workbench (1). A handwheel (12) is fixedly connected to one end of the worm (11). A positioning component (13) is fixedly connected to the other end of the worm (11). A clamping component (9) is rotatably connected to the top of the fixed ring (7) and the rotating ring (8).
2. The punching device for gear production according to claim 1, characterized in that: A collection bucket (15) is fixedly connected to the bottom end of the workbench (1), and the collection bucket (15) is connected to the fixing ring (7).
3. The punching device for gear production according to claim 1, characterized in that: The output shaft of the drilling motor (6) is connected to a drill bit (61).
4. The punching device for gear production according to claim 1, characterized in that: The positioning component (13) includes a transmission block (131), a positioning groove (132), a positioning rod (133), a support cylinder (134), a toggle rod (135), an operating port (136), and a spring (137). One end of the transmission block (131) is coaxially fixedly connected to the end of the worm gear (11). The outer wall of the transmission block (131) is recessed with multiple positioning grooves (132), which are evenly distributed around the circumference. One end of the positioning rod (133) is inserted into a single positioning groove (132), and the other end of the positioning rod (133) is slidably sleeved. A support cylinder (134) is connected to the top of the workbench (1) at one end away from the transmission block (131). An operation port (136) is provided through one side of the support cylinder (134). A toggle rod (135) is slidably provided in the operation port (136). One end of the toggle rod (135) is fixedly connected to one side of the positioning rod (133). One end of the positioning rod (133) away from the transmission block (131) is fixedly connected to one end of the spring (137). The other end of the spring (137) is fixedly connected to the inner wall of the support cylinder (134).
5. The punching device for gear production according to claim 1, characterized in that: The clamping assembly (9) includes an upper clamping rod (91), a first high fixing seat (92), a second high fixing seat (93), a lower clamping rod (94), a first low fixing seat (95), a second low fixing seat (96), and a clamping block (97). Two upper clamping rods (91) are provided in parallel and symmetrical arrangement. The opposite ends of the two upper clamping rods (91) are respectively fixedly connected to the first high fixing seat (92). The bottom end of the first high fixing seat (92) is rotatably connected to the top end of the rotating ring (8). The other ends of the two upper clamping rods (91) are respectively slidably sleeved on the high fixing seat. The bottom end of the second high fixed seat (93) is rotatably connected to the top end of the fixed ring (7). Two lower clamping rods (94) are provided in parallel and symmetrical arrangement. The opposite ends of the two lower clamping rods (94) are fixedly connected to the second low fixed seat (96). The bottom end of the second low fixed seat (96) is rotatably connected to the top end of the rotating ring (8). The other ends of the two lower clamping rods (94) are slidably sleeved on the first low fixed seat (95). The bottom end of the first low fixed seat (95) is rotatably connected to the top end of the fixed ring (7).
6. A drilling device for gear production according to claim 5, characterized in that: A clamping block (97) is fixedly connected to the middle of the two lower clamping rods (94), and a placement groove (911) is recessed in the middle of the two upper clamping rods (91). The upper clamping rods (91) and the lower clamping rods (94) are staggered vertically, and the length directions of the upper clamping rods (91) and the lower clamping rods (94) are perpendicular to each other.