Positioning tool for machining outer teeth of gear ring for harmonic speed reducer

Abstract

The utility model discloses a positioning tool for machining outer teeth of a gear ring for a harmonic speed reducer, which relates to the technical field of gear ring positioning tools and comprises a tool table and a clamping unit. Bottom frames are arranged on the two sides of the bottom face of the tool table, adjusting grooves are evenly formed in the top face of the tool table, and a cleaning unit is arranged on the top face of the tool table. The clamping and fixing unit comprises an adjusting block, a supporting plate, a lead screw, a main motor and a fixing plate, the lead screw is rotationally connected to the interior of the adjusting groove, the main motor is fixed to the side face of the tool table, and the outer side end of the lead screw is connected with an output shaft of the main motor. The inner wall of the gear ring can be clamped and fixed through the fixing plate, the installation stability of the gear ring is improved through cooperation with the pressing plate which is pressed downwards, meanwhile, the outer teeth of the machined gear ring can be cleaned through the cleaning steel brush which can rotate and ascend and descend, and the situation that the accuracy of follow-up detection is affected due to material slag accumulation is prevented.

Description

Technical Field

[0001] This utility model relates to the field of gear ring positioning tooling technology, specifically a positioning tooling for machining the external teeth of a gear ring for a harmonic reducer. Background Art

[0002] A speed reducer is a relatively precise machine used to reduce speed and increase torque. There are many types and models of speed reducers, each with different applications. Speed ​​reducers are widely used in automobiles and other power systems. The gear ring is one of the important components of a speed reducer. The meshing of the gear ring and gear enables power transmission. Special attention must be paid to the precision of the gear ring during machining. Positioning fixtures are needed to fix the gear ring during machining to prevent it from shaking. Traditional positioning fixtures are prone to slippage when encountering gear rings of different widths, and they lack the ability to clean the gear ring surface, leading to material buildup after machining the outer teeth and hindering subsequent inspection. Therefore, we propose a positioning fixture for machining the outer teeth of a gear ring in a harmonic speed reducer. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a positioning fixture for machining the outer teeth of a gear ring for a harmonic reducer. The fixture uses a main motor to adjust the position of the support plate so that the fixing plate can clamp and fix the inner wall of the gear ring. The downward pressure plate increases the stability of the gear ring installation. At the same time, the rotatable and liftable cleaning steel brush can clean the outer teeth of the gear ring after machining to prevent the accumulation of slag from affecting the accuracy of subsequent testing. This can effectively solve the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a positioning fixture for machining the external gear of a harmonic reducer gear ring, comprising a fixture table and a clamping unit;

[0005] Tooling table: Both sides of the bottom surface are equipped with base frames, the top surface of the tooling table is evenly provided with adjustment grooves, and the top surface of the tooling table is provided with cleaning units;

[0006] The clamping unit includes an adjusting block, a support plate, a lead screw, a main motor, and a fixing plate. The lead screw is rotatably connected inside the adjusting groove. The main motor is fixed to the side of the tooling table. The outer end of the lead screw is connected to the output shaft of the main motor. The bottom surface of the support plate is provided with an adjusting block that is slidably connected to the adjusting groove. The screw hole in the middle of the adjusting block is threadedly connected to the lead screw. The outer side of the top surface of the support plate is provided with a fixing plate.

[0007] It also includes a controller, which is located on the front side of the base frame. The input end of the main motor is electrically connected to the output end of the controller, and the input end of the controller is electrically connected to the output end of an external power source.

[0008] The main motor is started to drive the lead screw to rotate and adjust the position of the support plate. With the help of the fixed plate, gear rings of different sizes can be clamped and fixed to facilitate the machining of the outer teeth of the gear ring.

[0009] Furthermore, the clamping unit also includes a mounting bracket, a rubber block, and an anti-slip pad. The mounting bracket is fixed to the inner side of the rubber block, and the mounting bracket is inserted into the mounting groove on the outer side of the fixing plate. The anti-slip pad is adhered to the top surface of the support plate. The mounting bracket is inserted into the mounting groove to fix the rubber block. The anti-slip pad can increase the installation firmness of the gear ring and prevent wear on the surface of the gear ring.

[0010] Furthermore, the clamping unit also includes an electric telescopic rod and a pressure plate. The electric telescopic rod is fixed to the inner side of the fixed plate, and the top end of the electric telescopic rod is rotatably connected to the bottom surface of the pressure plate. The input end of the electric telescopic rod is electrically connected to the output end of the controller. Activating the electric telescopic rod drives the pressure plate to press down to fix the gear ring.

[0011] Furthermore, the cleaning unit includes a telescopic rod, a slide, a fixed base, a fixed shaft, a fixed frame, a T-block, and a cleaning steel brush. The fixed base has a fixed shaft on its bottom surface, which is rotatably connected to a shaft hole in the middle of the tooling table. A slide is slidably installed inside the fixed base, and a telescopic rod is fixed inside the slide. A fixed frame is provided on the outer end of the telescopic rod. A T-block is provided on the outer side of the cleaning steel brush. The T-block is inserted into a T-slot on the inner side of the fixed frame to install the cleaning steel brush. Pulling the telescopic rod adjusts the position of the cleaning steel brush, thereby cleaning the outer teeth of the gear ring to prevent the accumulation of material residue from affecting the accuracy of subsequent testing.

[0012] Furthermore, the cleaning unit also includes a worm gear, a worm, a support frame, and a motor. The worm gear is fixed to the outside of the fixed shaft, the support frame is located on the left side of the bottom surface of the tooling table, and the motor is fixed to the front side of the support frame. The output shaft of the motor is connected to the front end of the worm, and the worm meshes with the worm gear. The input end of the motor is electrically connected to the output end of the controller. Starting the motor causes the worm gear to mesh with the worm, thereby driving the cleaning steel brush to rotate.

[0013] Furthermore, the cleaning unit also includes a rotating wheel and a screw. The screw is rotatably connected inside the fixed base, and a rotating wheel is installed at the top of the screw. The screw is threadedly connected to a screw hole on the surface of the carriage. Rotating the rotating wheel adjusts the height of the carriage outside the screw.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This XX has the following advantages:

[0015] 1. The position of the support plate is adjusted by starting the main motor to drive the lead screw to rotate. With the help of the fixed plate, gear rings of different sizes can be clamped and fixed. The electric telescopic rod is started to drive the pressure plate to press down to increase the stability of the gear ring, so as to facilitate the processing of the outer teeth of the gear ring.

[0016] 2. The rubber block is fixed by inserting the mounting bracket into the mounting slot. The anti-slip pad can increase the installation firmness of the gear ring and prevent wear on the surface of the gear ring.

[0017] 3. Install the cleaning steel brush by inserting the T-block into the T-slot, and pull the telescopic rod to adjust the position of the cleaning steel brush, thereby cleaning the outer teeth of the toothed ring to prevent the accumulation of material residue from affecting the accuracy of subsequent testing. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the clamping unit structure of this utility model;

[0020] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0021] In the diagram: 1 Tooling table, 2 Clamping unit, 21 Adjusting block, 22 Support plate, 23 Lead screw, 24 Main motor, 25 Fixing plate, 26 Mounting bracket, 27 Rubber block, 28 Anti-slip mat, 29 Electric telescopic rod, 210 Pressure plate, 3 Cleaning unit, 31 Telescopic rod, 32 Slide, 33 Fixed seat, 34 Fixed shaft, 35 Fixed frame, 36 T-block, 37 Cleaning steel brush, 38 Worm gear, 39 Worm, 310 Support frame, 311 Motor, 312 Rotary wheel, 313 Screw, 4 Base frame, 5 Adjusting groove, 6 Controller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Please see Figure 1-3 This embodiment provides a technical solution: a positioning fixture for machining the external gear of a harmonic reducer gear ring, including a fixture table 1 and a clamping unit 2;

[0024] Tooling table 1: Base frames 4 are provided on both sides of the bottom surface. Adjustment grooves 5 are evenly distributed on the top surface of tooling table 1. A cleaning unit 3 is provided on the top surface of tooling table 1. The cleaning unit 3 includes a telescopic rod 31, a slide 32, a fixed seat 33, a fixed shaft 34, a fixed frame 35, a T-block 36, and a cleaning steel brush 37. The bottom surface of the fixed seat 33 is provided with a fixed shaft 34, which is rotatably connected to the shaft hole in the middle of tooling table 1. The slide 32 is slidably installed inside the fixed seat 33. The telescopic rod 31 is fixed inside the slide 32. A fixed frame 35 is provided on the outer end of the telescopic rod 31. A T-block 36 is provided on the outer side of the cleaning steel brush 37. The T-block 36 is inserted into the T-slot on the inner side of the fixed frame 35. The T-block 36 is inserted into the T-slot to install the cleaning steel brush 37. Pulling the telescopic rod 31 adjusts the position of the cleaning steel brush 37, thereby cleaning the outer teeth of the gear ring to prevent the accumulation of material residue. To ensure the accuracy of subsequent testing, the cleaning unit 3 also includes a worm gear 38, a worm 39, a support frame 310, and a motor 311. The worm gear 38 is fixed to the outside of the fixed shaft 34. The support frame 310 is located on the left side of the bottom surface of the tooling table 1. The motor 311 is fixed to the front side of the support frame 310. The output shaft of the motor 311 is connected to the front end of the worm 39. The worm 39 meshes with the worm gear 38. The input end of the motor 311 is electrically connected to the output end of the controller 6. Starting the motor 311 causes the worm gear 38 to mesh with the worm 39, thereby driving the cleaning steel brush 37 to rotate. The cleaning unit 3 also includes a rotating wheel 312 and a screw 313. The screw 313 is rotatably connected to the inside of the fixed seat 33. The rotating wheel 312 is installed at the top of the screw 313. The screw 313 is threadedly connected to the screw hole on the surface of the slide 32. Rotating the rotating wheel 312 adjusts the height of the slide 32 outside the screw 313.

[0025] Clamping unit 2 includes an adjusting block 21, a support plate 22, a lead screw 23, a main motor 24, and a fixing plate 25. The lead screw 23 is rotatably connected inside the adjusting groove 5. The main motor 24 is fixed to the side of the tooling table 1. The outer end of the lead screw 23 is connected to the output shaft of the main motor 24. The bottom surface of the support plate 22 is provided with an adjusting block 21 that is slidably connected to the adjusting groove 5. The screw hole in the middle of the adjusting block 21 is threadedly connected to the lead screw 23. The outer side of the top surface of the support plate 22 is provided with a fixing plate 25. Clamping unit 2 also includes a mounting bracket 26, a rubber block 27, and an anti-slip pad 28. The mounting bracket 26 is fixed to the inner side of the rubber block 27. The mounting bracket 26 is connected to the fixing plate 25. The mounting groove on the outer side of the plate 25 is inserted into the corresponding groove. The anti-slip pad 28 is adhered to the top surface of the support plate 22. The mounting bracket 26 is inserted into the mounting groove to fix the rubber block 27. The anti-slip pad 28 can increase the installation firmness of the gear ring and prevent wear on the surface of the gear ring. The clamping unit 2 also includes an electric telescopic rod 29 and a pressure plate 210. The electric telescopic rod 29 is fixed to the inner side of the fixing plate 25. The top end of the electric telescopic rod 29 is rotatably connected to the bottom surface of the pressure plate 210. The input end of the electric telescopic rod 29 is electrically connected to the output end of the controller 6. Activating the electric telescopic rod 29 drives the pressure plate 210 to press down to fix the gear ring.

[0026] The system also includes a controller 6, which is located on the front side of the base frame 4. The input end of the main motor 24 is electrically connected to the output end of the controller 6, and the input end of the controller 6 is electrically connected to the output end of an external power supply. The main motor 24 is started to drive the lead screw 23 to rotate to adjust the position of the support plate 22. The fixed plate 25 can be used to clamp and fix gear rings of different sizes to facilitate the processing of the outer teeth of the gear rings.

[0027] The working principle of the positioning fixture for machining the outer teeth of a harmonic reducer gear ring provided by this utility model is as follows: First, the gear ring is placed on the top surface of three support plates 22. The mounting bracket 26 is inserted into the mounting groove to fix the rubber block 27. The main motor 24 is started to drive the lead screw 23 to rotate to adjust the position of the support plate 22. With the help of the fixed plate 25, gear rings of different sizes can be clamped and fixed. The electric telescopic rod 29 is started to drive the pressure plate 210 to press down to fix the gear ring. The rubber block 27 with the anti-slip pad 28 can increase the installation firmness of the gear ring and prevent wear on the surface of the gear ring. Then, the rotating wheel 312 is rotated to adjust the height of the slide 32 on the outside of the screw 313. The telescopic rod 31 is pulled to adjust the position of the cleaning steel brush 37. The motor 311 is started to make the worm gear 38 mesh with the worm 39 to drive the cleaning steel brush 37 to rotate, thereby cleaning the outer teeth of the gear ring to prevent the accumulation of slag from affecting the accuracy of subsequent testing.

[0028] It is worth noting that the controller 6 disclosed in the above embodiments is model S7-200, while the main motor 24 and motor 311 can be freely configured according to the actual application scenario. It is recommended to use a servo motor of model 80M-03230C10-C, and the electric telescopic pole 29 can be a YHT523 electric telescopic pole. The controller 6 controls the operation of the main motor 24, motor 311 and electric telescopic pole 29 using methods commonly used in the prior art.

[0029] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A positioning fixture for machining the external gear of a harmonic reducer gear ring, characterized in that: It includes a tooling table (1) and a clamping unit (2); Tooling table (1): Both sides of the bottom surface are provided with a base frame (4), the top surface of the tooling table (1) is evenly provided with an adjustment groove (5), and the top surface of the tooling table (1) is provided with a cleaning unit (3). The clamping unit (2) includes an adjusting block (21), a support plate (22), a lead screw (23), a main motor (24), and a fixing plate (25). The lead screw (23) is rotatably connected inside the adjusting groove (5). The main motor (24) is fixed on the side of the tooling table (1). The outer end of the lead screw (23) is connected to the output shaft of the main motor (24). The bottom surface of the support plate (22) is provided with an adjusting block (21) that is slidably connected to the adjusting groove (5). The screw hole in the middle of the adjusting block (21) is threadedly connected to the lead screw (23). The outer side of the top surface of the support plate (22) is provided with a fixing plate (25). The system also includes a controller (6), which is located on the front side of the base frame (4). The input end of the main motor (24) is electrically connected to the output end of the controller (6), and the input end of the controller (6) is electrically connected to the output end of an external power source.

2. The positioning fixture for machining the external gear of a harmonic reducer gear ring according to claim 1, characterized in that: The clamping unit (2) also includes a mounting bracket (26), a rubber block (27) and an anti-slip pad (28). The mounting bracket (26) is fixed on the inner side of the rubber block (27). The mounting bracket (26) is inserted into the mounting groove on the outer side of the fixing plate (25). The anti-slip pad (28) is adhered to the top surface of the support plate (22).

3. The positioning fixture for machining the external gear of a harmonic reducer gear ring according to claim 1, characterized in that: The clamping unit (2) also includes an electric telescopic rod (29) and a pressure plate (210). The electric telescopic rod (29) is fixed on the inner side of the fixing plate (25). The top end of the electric telescopic rod (29) is rotatably connected to the bottom surface of the pressure plate (210). The input end of the electric telescopic rod (29) is electrically connected to the output end of the controller (6).

4. The positioning fixture for machining the external gear of a harmonic reducer gear ring according to claim 1, characterized in that: The cleaning unit (3) includes a telescopic rod (31), a slide (32), a fixed seat (33), a fixed shaft (34), a fixed frame (35), a T-block (36), and a cleaning steel brush (37). The fixed seat (33) has a fixed shaft (34) on its bottom surface. The fixed shaft (34) is rotatably connected to the shaft hole in the middle of the tooling table (1). The slide (32) is slidably installed inside the fixed seat (33). The telescopic rod (31) is fixed inside the slide (32). The fixed frame (35) is provided at the outer end of the telescopic rod (31). The T-block (36) is provided on the outer side of the cleaning steel brush (37). The T-block (36) is inserted into the T-slot on the inner side of the fixed frame (35).

5. A positioning fixture for machining the external gear of a harmonic reducer gear ring according to claim 4, characterized in that: The cleaning unit (3) also includes a worm gear (38), a worm (39), a support frame (310), and a motor (311). The worm gear (38) is fixed on the outside of the fixed shaft (34). The support frame (310) is located on the left side of the bottom surface of the tooling table (1). The motor (311) is fixed on the front side of the support frame (310). The output shaft of the motor (311) is connected to the front end of the worm (39). The worm (39) meshes with the worm gear (38). The input end of the motor (311) is electrically connected to the output end of the controller (6).

6. The positioning fixture for machining the external gear of a harmonic reducer gear ring according to claim 4, characterized in that: The cleaning unit (3) also includes a rotating wheel (312) and a screw (313). The screw (313) is rotatably connected inside the fixed seat (33). The rotating wheel (312) is installed at the top of the screw (313). The screw (313) is threadedly connected to the screw hole on the surface of the slide (32).

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