Gear cutter

By introducing components such as electric telescopic rods, servo motors and threaded shafts into gear tools, the problem of difficulty in adapting gear grooves to different widths and inclinations is solved, and smooth treatment and diversified adaptation of the inner wall of the gear groove is achieved. match.

CN222242962UActive Publication Date: 2024-12-27SHANGHAI JULONG PRECISION TOOLS CO LTD
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Patent Information

Application Number
CN202420537046.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2024-12-27
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

Existing gear tools are not convenient to adapt the gear grooves of different widths and angles, and it is difficult to perform further smoothing.

Method used

A gear tool was designed, using electric telescopic rods, servo motors, radian grinding wheels, threaded shafts and bevel gears and other components. The servo motor drives the radian grinding wheels to rotate and translate, and the threaded shafts and bevel gears are used to adjust the spacing of the grinding wheels and Inclination angle, achieve adaptation of gear grooves of different widths and inclination angles.

Benefits of technology

Further smooth treatment of the inner wall of the tooth groove is achieved, and the gears of different widths and inclinations can be adapted to the tool adaptability and machining efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gear cutter, which relates to the technical field of gear processing, and comprises an electric telescopic rod, a vertical pipe fixedly connected to the side surface of the electric telescopic rod, a fixed seat fixedly connected to the bottom of the telescopic part of the electric telescopic rod, a vertical rod fixedly connected to the top of the fixed seat, and a sliding connection between the vertical rod and the vertical pipe. A side groove transversely penetrates through the interior of the fixing base, square holes are formed in the left side and the right side of the fixing base, a driven gear is rotationally connected to the inner side of the fixing base, and by rotating a threaded shaft A, a linkage rack can be adjusted to horizontally move front and back, the linkage rack can drive the linkage gear to rotate, and threaded rods on the two sides of the linkage gear can rotate; and through cooperation of the threaded rod and the threaded pipe, the distance between the side bases on the left side and the right side can be adjusted, so that the distance between the radian grinding wheels on the left side and the right side is adjusted, tooth grooves with different widths are conveniently matched, and the problem that an existing gear cutter is not conveniently matched with the tooth grooves with different widths is solved.
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Description

Technical Field

[0001] The utility model belongs to the field of gear processing, and more specifically, particularly relates to a gear cutter. Background Art

[0002] During the gear meshing transmission process, the tooth grooves of adjacent gears rub against each other. The tooth grooves with arcs can reduce gear wear. In the process of processing large gears, it is necessary to use a specific tool to grind the inner wall of the gear tooth groove. For example, utility model patent CN218855788U discloses a gear finishing tool, including a tool body and a top tooth blade and a tooth-shaped blade arranged on the tool body; the tool body is disc-shaped, and a shaft table is arranged at the center of the tool body. The tool body includes an annular processing surface I and an annular processing surface II symmetrically arranged outside the shaft table, and the annular processing surface I and the annular processing surface II are The top tooth blades and the toothed blades are evenly distributed on the surface II, and the top tooth blades and the toothed blades are alternately arranged on the respective processing surfaces; the top tooth blades and the toothed blades on the annular processing surface I and the annular processing surface II are staggered; the top tooth blades and the toothed blades are fixed to the cutter body by fastening screws respectively, the working surface of the top tooth blade is an arc-shaped convex surface, and the working surface of the toothed blade is an arc-shaped concave surface, the top tooth blade that is easy to wear and the toothed blade that is not easy to wear are installed separately and staggered on the working surface of the tool, and when the top tooth blade is worn, only the worn top tooth blade can be replaced.

[0003] However, the above-mentioned gear cutter is not convenient for further smoothing the inner wall of the tooth groove, the existing gear cutter is not convenient for adapting to tooth grooves of different widths, and the existing gear cutter is not convenient for adapting to tooth grooves of different inclination angles. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a gear cutter to solve the problem that the existing gear cutters are not convenient for adapting to tooth grooves of different widths.

[0005] The purpose and effect of a gear cutter in the utility model are achieved by the following specific technical means: a gear cutter comprises an electric telescopic rod, a vertical tube is fixedly connected to the side of the electric telescopic rod; a fixed seat is fixedly connected to the bottom of the telescopic part of the electric telescopic rod, a vertical rod is fixedly connected to the top of the fixed seat, the vertical rod is slidably connected to the vertical tube, a side groove is horizontally penetrated inside the fixed seat, square holes are opened on the left and right sides of the fixed seat, a driven gear is rotatably connected to the inner side of the fixed seat, and a slot tube A is coaxially connected to the left and right sides of the driven gear; a servo motor is fixedly connected to the right side of the fixed seat, a transmission gear is coaxially connected to the left side of the servo motor shaft, the transmission gear is rotatably connected to the inner side of the fixed seat, and the transmission gear is transmitted to the driven gear through a chain; side seats are arranged on the left and right sides of the fixed seat, a square rod is fixedly connected to the inner vertical surface of the side seat, the square rod is slidably connected to the inner side of the square hole, a hinged seat is rotatably connected to the outer side of the side seat, and a worm gear is coaxially connected to the bottom of the hinged seat.

[0006] Furthermore, a rotating shaft is installed on the inner side of the side seat and the articulated seat, the rotating shafts on the inner side of the side seat and the articulated seat are linked through a universal joint, and a curved grinding wheel is rotatably connected to the outer side of the articulated seat, and the curved grinding wheel is coaxially connected to the universal joint.

[0007] Furthermore, a slot tube B is rotatably connected to the inner side of the side seat, the slot tube B is coaxially connected to the universal joint, and the slot tube B and the slot tube A are meshed for transmission.

[0008] Furthermore, a threaded tube is fixedly connected to the inner vertical surface of the side seat, a threaded shaft A is threadedly connected to the inner side of the fixed seat, a linkage rack is rotatably connected to the front end of the threaded shaft A, and the linkage rack is slidably connected to the inner side of the fixed seat.

[0009] Furthermore, a linkage gear is rotatably connected inside the fixing seat, threaded rods are coaxially connected to the left and right sides of the linkage gear, and the threaded tube is threadably connected to the threaded rod.

[0010] Furthermore, the bottom of the fixed seat is rotatably connected to a threaded shaft B, the front end of the threaded shaft B is coaxially connected to a bevel gear, the bottom of the fixed seat is rotatably connected to a toothed tube, the outer side of the toothed tube is fixedly connected to a bevel gear ring, the bevel gear ring and the bevel gear are meshed for transmission, the bottom of the fixed seat is rotatably connected to a connecting shaft, the side end of the connecting shaft is coaxially connected to a worm, the worm is meshed for transmission with the worm wheel, the outer curved side surface of the connecting shaft is fixedly connected to a latch tooth, and the connecting shaft is slidably connected to the inner side of the toothed tube.

[0011] The utility model at least has the following beneficial effects:

[0012] 1. The utility model sets an arc grinding wheel and controls the operation of a servo motor, so that the transmission gear at the rotating shaft can drive the driven gear to rotate through a chain, and the driven gear can drive the slot tube A to rotate, and the slot tube A can drive the slot tube B of the meshing transmission to rotate, and the slot tube B can drive the universal joint to rotate, and the universal joint can drive the arc grinding wheel to rotate. By controlling the operation of the electric telescopic rod, the rotating arc grinding wheel can be controlled to move vertically, and the arc grinding wheel with an inclination angle can grind the inner wall of the tooth groove of the gear, and the inner wall of the tooth groove can be further smoothed.

[0013] 2. The utility model sets a threaded shaft A. By rotating the threaded shaft A, the linkage rack can be adjusted to translate forward and backward, the linkage rack can drive the linkage gear to rotate, and the threaded rods on both sides of the linkage gear can be rotated. The threaded rods cooperate with the threaded tube to adjust the spacing between the left and right side seats, thereby adjusting the spacing between the arc grinding wheels on the left and right sides, which is convenient for adapting to tooth grooves of different widths.

[0014] 3. The utility model is provided with a threaded shaft B. By rotating the threaded shaft B, the bevel gear at the front end can drive the bevel gear ring and the tooth groove tube to rotate, and the tooth groove tube can drive the worm to rotate, and the worm can drive the hinge seat coaxial with the worm wheel to perform a horizontal deflection angle, so as to adjust the inclination angle of the arc grinding wheel on the left and right sides, which is convenient for adapting to the tooth grooves with different inclination angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the first embodiment of the utility model from top view.

[0016] Figure 2 It is a three-dimensional disassembled structural schematic diagram of a fixing base according to a first embodiment of the utility model.

[0017] Figure 3 yes Figure 1 A is a partial enlarged schematic diagram of the middle part.

[0018] Figure 4 yes Figure 1 A partial enlarged schematic diagram of B in the figure.

[0019] Figure 5 It is a bottom-up stereoscopic structural schematic diagram of the overall second embodiment of the utility model.

[0020] Figure 6 yes Figure 5 A partial enlarged schematic diagram of D in the middle.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Electric telescopic rod;

[0023] 101, vertical tube;

[0024] 2. Fixed seat;

[0025] 201, vertical rod; 202, side groove; 203, square hole; 204, driven gear; 205, slot tube A;

[0026] 3. Servo motor;

[0027] 301, transmission gear;

[0028] 4. Side seat;

[0029] 401, square rod; 402, hinged seat; 403, worm gear; 404, slot tube B; 405, universal joint; 406, threaded tube;

[0030] 5. Threaded shaft A;

[0031] 501, linkage rack; 502, linkage gear; 503, threaded rod;

[0032] 6. Threaded shaft B;

[0033] 601, bevel gear; 602, toothed tube; 603, bevel gear ring; 604, coupling; 6041, latching gear; 605, worm;

[0034] 7. Radius grinding wheel. DETAILED DESCRIPTION

[0035] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0036] Embodiment 1:

[0037] As attached Figure 1 To Attachment Figure 4As shown: the utility model provides a gear cutter, including an electric telescopic rod 1, a vertical tube 101 is fixedly connected to the side of the electric telescopic rod 1; a fixed seat 2 is fixedly connected to the bottom of the telescopic part of the electric telescopic rod 1, a vertical rod 201 is fixedly connected to the top of the fixed seat 2, the vertical rod 201 is slidably connected to the vertical tube 101, a side groove 202 is horizontally penetrated inside the fixed seat 2, square holes 203 are opened on the left and right sides of the fixed seat 2, a driven gear 204 is rotatably connected to the inside of the fixed seat 2, and the driven gear 204 is coaxially connected to the left and right sides of the driven gear Slot tube A205; a servo motor 3 is fixedly connected to the right side of the fixed seat 2, and a transmission gear 301 is coaxially connected to the left side of the rotating shaft of the servo motor 3. The transmission gear 301 is rotatably connected to the inner side of the fixed seat 2, and the transmission gear 301 is transmitted to the driven gear 204 through a chain; side seats 4 are arranged on the left and right sides of the fixed seat 2, and a square rod 401 is fixedly connected to the inner side of the side seat 4, and the square rod 401 is slidably connected to the inner side of the square hole 203. The outer side of the side seat 4 is rotatably connected to an articulated seat 402, and the bottom of the articulated seat 402 is coaxially connected to a worm gear. 403, a rotating shaft is installed inside the side seat 4 and the hinge seat 402, and the rotating shaft inside the side seat 4 and the hinge seat 402 are linked through a universal joint 405. The outer side of the hinge seat 402 is rotatably connected with an arc grinding wheel 7, and the arc grinding wheel 7 is coaxially connected with the universal joint 405. The inner side of the side seat 4 is rotatably connected with a slot tube B404, and the slot tube B404 is coaxially connected with the universal joint 405. The slot tube B404 is meshed with the slot tube A205 for transmission. By controlling the operation of the servo motor 3, the transmission gear 301 at the rotating shaft can be driven by The chain drives the driven gear 204 to rotate, which can make the driven gear 204 drive the slot tube A205 to rotate, which can make the slot tube A205 drive the slot tube B404 of the meshing transmission to rotate, which can make the slot tube B404 drive the universal joint 405 to rotate, which can make the universal joint 405 drive the arc grinding wheel 7 to rotate, and by controlling the operation of the electric telescopic rod 1, the rotating arc grinding wheel 7 can be controlled to move vertically, so that the arc grinding wheel 7 with an inclination angle can grind the inner wall of the tooth groove of the gear.

[0038] like Figures 2 to 4As shown, a threaded tube 406 is fixedly connected to the inner vertical surface of the side seat 4, a threaded shaft A5 is threadedly connected to the inner side of the fixed seat 2, a linkage rack 501 is rotatably connected to the front end of the threaded shaft A5, the linkage rack 501 is slidably connected to the inner side of the fixed seat 2, a linkage gear 502 is rotatably connected to the inner side of the fixed seat 2, a threaded rod 503 is coaxially connected to the left and right sides of the linkage gear 502, the threaded tube 406 is threadedly connected to the threaded rod 503, and the threaded shaft A5 can be rotated to adjust the linkage rack 501 to translate back and forth, and the linkage rack 501 can drive the linkage gear 502 to rotate, and the threaded rods 503 on both sides of the linkage gear 502 can be rotated, and the cooperation between the threaded rod 503 and the threaded tube 406 can adjust the spacing between the left and right side seats 4, thereby adjusting the spacing between the arc grinding wheels 7 on the left and right sides, so as to adapt to tooth grooves of different widths.

[0039] Embodiment 2:

[0040] Based on the first embodiment, Figure 5 and Figure 6 As shown, the bottom of the fixed seat 2 is rotatably connected to a threaded shaft B6, the front end of the threaded shaft B6 is coaxially connected to a bevel gear 601, the bottom of the fixed seat 2 is rotatably connected to a toothed tube 602, the outer side of the toothed tube 602 is fixedly connected to a bevel gear ring 603, the bevel gear ring 603 is meshed with the bevel gear 601 for transmission, the bottom of the fixed seat 2 is rotatably connected to a connecting shaft 604, the side end of the connecting shaft 604 is coaxially connected to a worm 605, the worm 605 is meshed with the worm wheel 403 for transmission, and the outer curved side of the connecting shaft 604 is fixedly connected to The latching tooth 6041 and the connecting shaft 604 are slidably connected to the inner side of the tooth groove tube 602. By rotating the threaded shaft B6, the bevel gear 601 at the front end can drive the bevel gear ring 603 and the tooth groove tube 602 to rotate, and the tooth groove tube 602 can drive the worm 605 to rotate, and the worm 605 can drive the hinge seat 402 coaxial with the worm wheel 403 to perform a horizontal deflection angle, so that the inclination angle of the arc grinding wheel 7 on the left and right sides can be adjusted, which is convenient for adapting to the teeth with different inclination angles.

[0041] Embodiment three:

[0042] On the basis of the first embodiment, a clamping block is fixedly connected to the side end of the square rod 401, which can prevent the square rod 401 from completely sliding out of the square hole 203 and falling when the spacing of the side seats 4 is adjusted.

[0043] The specific usage and function of this embodiment are as follows:

[0044] In the utility model, when in use, after the user uses a cutting machine to cut the tooth groove of the gear, by controlling the operation of the servo motor 3, the transmission gear 301 at the rotating shaft can drive the driven gear 204 to rotate through the chain, and the driven gear 204 can drive the slot tube A205 to rotate, and the slot tube A205 can drive the slot tube B404 of the meshing transmission to rotate, and the slot tube B404 can drive the universal joint 405 to rotate, and the universal joint 405 can drive the arc grinding wheel 7 to rotate, and by controlling the operation of the electric telescopic rod 1, the rotating arc grinding wheel 7 can be controlled to translate vertically, and the arc grinding wheel 7 with an inclination angle can grind the inner wall of the tooth groove of the gear, and by rotating the threaded shaft A5, the linkage rack can be adjusted. 501 can be translated back and forth, so that the linkage rack 501 can drive the linkage gear 502 to rotate, and the threaded rod 503 on both sides of the linkage gear 502 can be rotated. Through the cooperation of the threaded rod 503 and the threaded tube 406, the spacing between the left and right side seats 4 can be adjusted, thereby adjusting the spacing between the arc grinding wheels 7 on the left and right sides, which is convenient for adapting to tooth grooves of different widths. By rotating the threaded shaft B6, the bevel gear 601 at its front end can drive the bevel gear ring 603 and the tooth groove tube 602 to rotate, and the tooth groove tube 602 can drive the worm 605 to rotate, and the worm 605 can drive the articulated seat 402 coaxial with the worm wheel 403 to perform a horizontal deflection angle, thereby adjusting the inclination angle of the arc grinding wheels 7 on the left and right sides, which is convenient for adapting to tooth grooves with different inclination angles.

Claims

1. A gear cutter, characterized in that: The electric telescopic rod (1) comprises an electric telescopic rod (1), the side of which is fixedly connected to a vertical tube (101); the bottom of the telescopic portion of the electric telescopic rod (1) is fixedly connected to a fixing seat (2), the top of the fixing seat (2) is fixedly connected to a vertical rod (201), the vertical rod (201) is slidably connected to the vertical tube (101), a side groove (202) is horizontally penetrated inside the fixing seat (2), square holes (203) are provided on the left and right sides of the fixing seat (2), a driven gear (204) is rotatably connected inside the fixing seat (2), and a slot tube A (205) is coaxially connected to the left and right sides of the driven gear (204); the fixing seat (2) comprises a fixing seat (202) and a fixing seat (203) and a fixing seat (204) and a fixing seat (204) and a fixing seat (205) are coaxially connected to the fixing seat (202); the fixing seat (2) comprises a fixing seat (202) and a fixing seat (203) and a fixing seat (204) and a fixing seat (204) and a fixing seat (204) and a fixing seat (205) are coaxially connected to the fixing seat (2); the fixing seat (2) comprises a fixing seat (202) and a fixing seat (202) and a fixing seat (201 ... A servo motor (3) is fixedly connected to the right side of the seat (2), and a transmission gear (301) is coaxially connected to the left side of the rotating shaft of the servo motor (3). The transmission gear (301) is rotatably connected to the inner side of the fixed seat (2), and the transmission gear (301) is transmitted to the driven gear (204) through a chain; side seats (4) are arranged on the left and right sides of the fixed seat (2), and a square rod (401) is fixedly connected to the inner side of the side seat (4), and the square rod (401) is slidably connected to the inner side of the square hole (203). The outer side of the side seat (4) is rotatably connected to a hinge seat (402), and the bottom of the hinge seat (402) is coaxially connected to a worm gear (403).

2. A gear cutter according to claim 1, characterized in that: The side seat (4) and the hinge seat (402) are provided with rotating shafts on the inner sides thereof; the rotating shafts on the inner sides of the side seat (4) and the hinge seat (402) are linked to each other via a universal joint (405); the outer side of the hinge seat (402) is rotatably connected to a radian grinding wheel (7); and the radian grinding wheel (7) is coaxially connected to the universal joint (405).

3. A gear cutter as claimed in claim 2, characterized in that: The inner side of the side seat (4) is rotatably connected with a slot tube B (404), the slot tube B (404) is coaxially connected with a universal joint (405), and the slot tube B (404) is meshed with the slot tube A (205) for transmission.

4. A gear cutter according to claim 1, characterized in that: A threaded tube (406) is fixedly connected to the inner vertical surface of the side seat (4), a threaded shaft A (5) is threadedly connected to the inner side of the fixed seat (2), a linkage rack (501) is rotatably connected to the front end of the threaded shaft A (5), and the linkage rack (501) is slidably connected to the inner side of the fixed seat (2).

5. A gear cutter according to claim 4, characterized in that: A linkage gear (502) is rotatably connected to the inner side of the fixing seat (2), and threaded rods (503) are coaxially connected to the left and right sides of the linkage gear (502), and the threaded tube (406) is threadedly connected to the threaded rod (503).

6. A gear cutter according to claim 1, characterized in that: The bottom of the fixed seat (2) is rotatably connected to a threaded shaft B (6), the front end of the threaded shaft B (6) is coaxially connected to a bevel gear (601), the bottom of the fixed seat (2) is rotatably connected to a toothed tube (602), the outer side of the toothed tube (602) is fixedly connected to a bevel gear ring (603), the bevel gear ring (603) and the bevel gear (601) are meshed for transmission, the bottom of the fixed seat (2) is rotatably connected to a connecting shaft (604), the side end of the connecting shaft (604) is coaxially connected to a worm (605), the worm (605) and the worm wheel (403) are meshed for transmission, the outer curved side surface of the connecting shaft (604) is fixedly connected to a latching tooth (6041), and the connecting shaft (604) is slidably connected to the inner side of the toothed tube (602).