Automatic chamfering device for end face of positioning pin of output shaft of speed reducer

Abstract

The utility model relates to an automatic chamfering device for the end face of a positioning pin of an output shaft of a speed reducer, and belongs to the technical field of chamfering equipment.The automatic chamfering device comprises a rack, a clamping rotating mechanism, a feeding reversing mechanism and a chamfering mechanism, and the clamping rotating mechanism, the feeding reversing mechanism and the chamfering mechanism are installed on the rack; the feeding reversing mechanism is arranged beside the clamping rotating mechanism. The positioning pin chamfering device is novel and compact in structure, the clamping rotating mechanism, the feeding reversing mechanism and the chamfering mechanism are arranged and used in cooperation, automatic reversing of a positioning pin is achieved, chamfering treatment of the two ends of the positioning pin can be achieved through one-time feeding, the automation degree is high, and the production efficiency is greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of chamfering equipment, and in particular to an automatic chamfering device for the end face of a locating pin of a reducer output shaft. Background Art

[0002] At present, a plurality of positioning pins are uniformly pressed on the end surface of the output shaft of the reducer, and the positioning pins are used to connect with the reducer.

[0003] Both end faces of the locating pin need to be chamfered. In the prior art, the locating pin was generally installed on a fixture for chamfering, and the reversal of the locating pin was performed manually, resulting in low production efficiency. Later, one end of the locating pin was chamfered first, and then it was re-placed in the loading tray for reversal, and then the other end was processed. This method requires two sets of loading equipment, which also requires mixed handling and material transfer processes, and the production efficiency is still low.

[0004] Therefore, in order to improve production efficiency, our company has developed a chamfering device with automatic reversing function for positioning pins. Utility Model Content

[0005] The purpose of the present application is to provide an automatic chamfering device for the end face of the locating pin of the output shaft of a reducer to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the present application provides a device for automatically chamfering the end face of the positioning pin of the output shaft of a reducer, which adopts the following technical solution:

[0007] An automatic chamfering device for the end face of a positioning pin of a speed reducer output shaft comprises a frame, a clamping and rotating mechanism, a feeding and reversing mechanism and a chamfering mechanism installed on the frame, wherein the clamping and rotating mechanism is used to drive the positioning pin to rotate;

[0008] The feeding reversing mechanism is arranged next to the clamping and rotating mechanism, and the feeding reversing mechanism comprises a mounting frame, a lifting cylinder, a rotating cylinder, a bearing frame and a pushing cylinder, the mounting frame is fixed on the frame, the lifting cylinder is vertically fixed on the mounting frame, the bearing frame is arranged at the bottom of the mounting frame, the lifting cylinder is used to drive the bearing frame to move up and down, the rotating cylinder is fixed on the bearing frame, a material receiving pipe is fixed at the bottom of the piston rod of the rotating cylinder, a push rod is movably connected to the side of the bottom of the bearing frame away from the material receiving pipe, a second spring is connected between the push rod and the bearing frame, the pushing cylinder is fixed on the frame, and the pushing cylinder can drive the push rod to push the positioning pin into the clamping and rotating mechanism;

[0009] The feeding reversing mechanism also includes a receiving frame and a feeding cylinder, both of which are fixed on the frame, and the feeding cylinder can push the positioning pin on the receiving frame into the receiving pipe.

[0010] The chamfering mechanism is arranged beside the clamping and rotating mechanism, and the chamfering mechanism includes a linear guide slide and a tool holder. The linear guide slide is fixed on the frame, the tool holder is fixed on the slide of the linear guide slide, and a blade is fixed on the tool holder.

[0011] The clamping and rotating mechanism includes a shaft seat, a servo motor, a rotating sleeve, a pneumatic rotating joint, a first cylinder, a second cylinder and a clamping assembly. The shaft seat, the servo motor and the pneumatic rotating joint are all fixed on the frame. The rotating sleeve is rotatably connected in the shaft seat. The servo motor is used to drive the rotating sleeve to rotate. One end of the rotating sleeve is fixed to the pneumatic rotating joint. The clamping assembly is arranged at one end of the rotating sleeve away from the pneumatic rotating joint. The clamping assembly includes a driving sleeve and a plurality of slide rails evenly fixed on the end surface of the rotating sleeve. The slide rails are A clamping block is slidably connected to the rail, a first spring is connected between the clamping block and the rotating sleeve, a clamping sleeve is provided on the movable sleeve on the surface of the rotating sleeve, the clamping sleeve can be pressed against the clamping block and drive the clamping block to perform a clamping action, a driving member is symmetrically fixed to one side of the clamping sleeve close to the pneumatic rotary joint, the first cylinder and the second cylinder are both fixed in the rotating sleeve, the first cylinder drives the clamping sleeve to move via the driving member, a push rod is fixed to the middle part of the piston rod of the second cylinder, and the push rod is coaxially arranged with the clamping assembly and the rotating sleeve.

[0012] The cross section of the driving member is L-shaped, a clearance groove is provided on the surface of the rotating sleeve, a connecting rod is fixed to the end of the piston rod of the first cylinder, and one end of the driving member is fixed to the connecting rod.

[0013] An annular sleeve is also fixed on the surface of the rotating sleeve, a through hole is opened in the annular sleeve at the position corresponding to the driving member, the annular sleeve is rotatably connected in the shaft seat, a gear is also fixed on the surface of the annular sleeve, and a driving wheel meshing with the gear is fixed on the surface of the output shaft of the servo motor.

[0014] The frame is also provided with a material guide trough, one end of which is connected to the material receiving frame, and the other end of which is externally connected to a vibrating loading tray.

[0015] A discharge chute is arranged on the frame beside the clamping and rotating mechanism.

[0016] Preferably, in order to improve the stability of the support frame, guide rods are symmetrically fixed on the support frame, and guide holes are opened on the mounting frame at positions corresponding to the guide rods.

[0017] To summarize, the present application includes at least one of the following beneficial technical effects: the automatic chamfering device for the end face of the locating pin of the output shaft of the reducer has a novel and compact structure. By providing a clamping and rotating mechanism, a feeding reversing mechanism and a chamfering mechanism, the several mechanisms cooperate with each other to realize the automatic reversal of the locating pin. The chamfering processing of both ends of the locating pin can be achieved by loading once. It has a high degree of automation and greatly improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0019] Figure 2 It is a structural schematic diagram used to reflect the clamping and rotating mechanism in the embodiment of the present application.

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure used to reflect the clamping and rotating mechanism in the embodiment of the present application.

[0021] Explanation of the reference numerals: 1. frame; 2. clamping and rotating mechanism; 21. shaft seat; 22. servo motor; 23. rotating sleeve; 24. pneumatic rotary joint; 25. first cylinder; 26. second cylinder; 27. slide rail; 28. clamping block; 29. ​​first spring; 201. clamping sleeve; 3. feeding reversing mechanism; 31. mounting frame; 32. lifting cylinder; 33. rotating cylinder; 34. supporting frame; 35. pushing cylinder; 36. guide rod; 37. receiving pipe; 38. pushing rod; 39. second spring; 301. receiving frame; 302. feeding cylinder; 4. chamfering mechanism; 41. linear guide slide; 42. tool holder; 43. blade; 5. driving member; 6. pushing rod; 7. annular sleeve; 8. gear; 9. material guide trough; 10. unloading trough. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-3 This application is described in further detail.

[0023] The present application embodiment discloses an automatic chamfering device for the end face of the positioning pin of the output shaft of a reducer, referring to Figure 1-3, including a frame 1, a clamping and rotating mechanism 2, a feeding and reversing mechanism 3 and a chamfering mechanism 4 installed on the frame 1, the clamping and rotating mechanism 2 is used to drive the positioning pin to rotate, the clamping and rotating mechanism 2 includes a shaft seat 21, a servo motor 22, a rotating sleeve 23, a pneumatic rotating joint 24, a first cylinder 25, a second cylinder 26 and a clamping assembly, the shaft seat 21, the servo motor 22 and the pneumatic rotating joint 24 are all fixed on the frame 1, the rotating sleeve 23 is rotatably connected in the shaft seat 21, the servo motor 22 is used to drive the rotating sleeve 23 to rotate, one end of the rotating sleeve 23 is fixed to the pneumatic rotating joint 24, the clamping assembly is arranged at one end of the rotating sleeve 23 away from the pneumatic rotating joint 24, and the clamping assembly includes a driving sleeve and a plurality of slide rails 27 evenly distributed and fixed on the end surface of the rotating sleeve 23, a clamping block 28 is slidably connected to the slide rail 27, a first spring 29 is connected between the clamping block 28 and the rotating sleeve 23, a clamping sleeve 201 is provided on the movable sleeve on the surface of the rotating sleeve 23, the clamping sleeve 201 can be pressed against the clamping block 28 and drive the clamping block 28 to clamp, a driving member 5 is symmetrically fixed on one side of the clamping sleeve 201 close to the pneumatic rotary joint 24, a first cylinder 25 and a second cylinder 26 are both fixed in the rotating sleeve 23, the first cylinder 25 drives the clamping sleeve 201 to move via the driving member 5, a push rod 6 is fixed in the middle of the piston rod of the second cylinder 26, and the push rod 6 is coaxially arranged with the clamping assembly and the rotating sleeve 23;

[0024] The first spring 29 and the second spring 39 used in the present application both play a resetting role. The elastic force of the spring is manufactured after measurement and will not have a large elastic force and will not produce resonance.

[0025] An annular sleeve 7 is also fixed on the surface of the rotating sleeve 23. A through hole is opened in the annular sleeve 7 at the position corresponding to the driving member 5. The annular sleeve 7 is rotatably connected in the shaft seat 21. A gear 8 is also fixed on the surface of the annular sleeve 7. A driving wheel meshing with the gear 8 is fixed on the surface of the output shaft of the servo motor 22.

[0026] The feeding reversing mechanism 3 is arranged beside the clamping and rotating mechanism 2. The feeding reversing mechanism 3 includes a mounting frame 31, a lifting cylinder 32, a rotating cylinder 33, a bearing frame 34 and a pushing cylinder 35. The mounting frame 31 is fixed on the frame 1, the lifting cylinder 32 is vertically fixed on the mounting frame 31, the bearing frame 34 is arranged at the bottom of the mounting frame 31, the lifting cylinder 32 is used to drive the bearing frame 34 to move up and down, and guide rods 36 are symmetrically fixed on the bearing frame 34. A guide hole is opened on the mounting frame 31 at a position corresponding to the guide rod 36. The rotating cylinder 33 is used to drive the bearing frame 34 to move up and down. 33 is fixed on the carrier 34, a material receiving pipe 37 is fixed at the bottom of the piston rod of the rotating cylinder 33, a push rod 38 is movably connected to the side of the bottom of the carrier 34 away from the material receiving pipe 37, a second spring 39 is connected between the push rod 38 and the carrier 34, a push cylinder 35 is fixed on the frame 1, and the push cylinder 35 can drive the push rod 38 to push the positioning pin into the clamping rotating mechanism 2, and a material guide groove 9 is also provided on the frame 1, one end of the material guide groove 9 is connected to the material receiving frame 301, and the other end of the material guide groove 9 is externally connected to a vibrating loading plate;

[0027] The feeding reversing mechanism 3 also includes a material receiving frame 301 and a material feeding cylinder 302 . Both the material receiving frame 301 and the material feeding cylinder 302 are fixed on the frame 1 . The material feeding cylinder 302 can push the positioning pin on the material receiving frame 301 into the material receiving pipe 37 .

[0028] The chamfering mechanism 4 is arranged beside the clamping and rotating mechanism 2 , and the chamfering mechanism 4 includes a linear guide slide 41 and a tool holder 42 . The linear guide slide 41 is fixed on the frame 1 , and the tool holder 42 is fixed on the slide of the linear guide slide 41 . A blade 43 is fixed on the tool holder 42 .

[0029] Reference Figure 3 The cross section of the driving member 5 is L-shaped, a clearance groove is provided on the surface of the rotating sleeve 23, a connecting rod is fixed to the end of the piston rod of the first cylinder 25, and one end of the driving member 5 is fixed to the connecting rod.

[0030] Reference Figure 1 In order to realize automatic unloading, a unloading trough 10 is provided on the frame 1 next to the clamping rotating mechanism 2. After the chamfering of both ends of the locating pin is completed, the carrier frame 34 in the feeding reversing mechanism 3 is lifted up to leave space for making way, and the second cylinder 26 pushes the locating pin into the unloading trough 10 through the pushing rod 6, and a storage basket is placed at the bottom of the unloading trough 10.

[0031] The implementation principle of the automatic chamfering device for the end face of the positioning pin of the output shaft of the reducer in the embodiment of the present application is as follows:

[0032] The vibrating loading plate evenly feeds the positioning pins into the material guide trough 9. The positioning pins in the material guide trough 9 can roll into the material receiving rack 301 in sequence under the action of their own gravity. When working, the lifting cylinder 32 in the loading reversing mechanism 3 drives the material receiving pipe 37 to hover next to the material receiving rack 301. The loading cylinder 302 works to push the positioning pin into the material receiving pipe 37. The lifting cylinder 32 drives the material receiving pipe 37 to move to the clamping rotating mechanism 2. The pushing cylinder 35 works to push the positioning pin into the clamping rotating mechanism 2 via the push rod 38. The lifting cylinder 32 drives the material receiving pipe 37 to move upward to leave a working space. The first cylinder 25 in the clamping rotating mechanism 2 pushes the clamping sleeve 201 to squeeze on the clamping block 28 via the L-shaped driving member 5, so that the positioning pin can be clamped. Thereafter, the servo motor 22 drives the rotating sleeve 23 to rotate, and the linear guide slide 41 in the chamfering mechanism 4 drives the blade 43 to chamfer close to the positioning pin.

[0033] After chamfering one end is completed, the first cylinder 25 pulls open the clamping sleeve 201 through the L-shaped driving member 5, and the lifting cylinder 32 drives the receiving tube 37 to move to the side of the clamping rotating mechanism 2 again. Thereafter, the second cylinder 26 pushes the locating pin into the receiving tube 37 through the pushing rod 6, and the rotating cylinder 33 drives the receiving tube 37 to rotate 180 degrees, so that the locating pin can be reversed. After the reversal is completed, the pushing cylinder 35 works to push the locating pin into the clamping rotating mechanism 2 again through the pushing rod 38, and the other end of the locating pin is chamfered. After this chamfering is completed, the second cylinder 26 pushes the locating pin directly into the unloading trough 10 through the pushing rod 6. During the chamfering process of the second end, the feeding reversing mechanism 3 moves to the side of the receiving rack 301 again for feeding. The whole process can realize uninterrupted automated processing, greatly improving production efficiency.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic chamfering device for the end face of the positioning pin of the output shaft of a reducer, characterized in that: The invention comprises a frame (1), a clamping and rotating mechanism (2) installed on the frame (1), a feeding and reversing mechanism (3) and a chamfering mechanism (4), wherein the clamping and rotating mechanism (2) is used to drive the positioning pin to rotate. The feeding reversing mechanism (3) is arranged beside the clamping rotating mechanism (2), and comprises a mounting frame (31), a lifting cylinder (32), a rotating cylinder (33), a bearing frame (34) and a pushing cylinder (35). The mounting frame (31) is fixed on the frame (1), the lifting cylinder (32) is vertically fixed on the mounting frame (31), the bearing frame (34) is arranged at the bottom of the mounting frame (31), and the lifting cylinder (32) is used to drive the bearing frame (34) to move up and down. The rotating cylinder (33) is fixed on the supporting frame (34), a material receiving pipe (37) is fixed on the bottom of the piston rod of the rotating cylinder (33), a push rod (38) is movably connected to the side of the bottom of the supporting frame (34) away from the material receiving pipe (37), a second spring (39) is connected between the push rod (38) and the supporting frame (34), the pushing cylinder (35) is fixed on the frame (1), and the pushing cylinder (35) can drive the push rod (38) to push the positioning pin into the clamping rotating mechanism (2), The feeding reversing mechanism (3) further comprises a material receiving frame (301) and a material feeding cylinder (302), wherein the material receiving frame (301) and the material feeding cylinder (302) are both fixed on the frame (1), and the material feeding cylinder (302) is capable of pushing the positioning pin on the material receiving frame (301) into the material receiving pipe (37). The chamfering mechanism (4) is arranged beside the clamping and rotating mechanism (2), and the chamfering mechanism (4) comprises a linear guide slide (41) and a knife seat (42), wherein the linear guide slide (41) is fixed on the frame (1), the knife seat (42) is fixed on the slide of the linear guide slide (41), and a blade (43) is fixed on the knife seat (42).

2. The automatic chamfering device for the end face of the positioning pin of the output shaft of the reducer according to claim 1 is characterized in that: The clamping and rotating mechanism (2) comprises an axle seat (21), a servo motor (22), a rotating sleeve (23), a pneumatic rotating joint (24), a first cylinder (25), a second cylinder (26) and a clamping assembly. The axle seat (21), the servo motor (22) and the pneumatic rotating joint (24) are all fixed on the frame (1). The rotating sleeve (23) is rotatably connected in the axle seat (21). The servo motor (22) is used to drive the rotating sleeve (23) to rotate. One end of the rotating sleeve (23) is fixed to the pneumatic rotating joint (24). The clamping assembly is arranged at one end of the rotating sleeve (23) away from the pneumatic rotating joint (24). The clamping assembly comprises a driving sleeve and a plurality of slide rails (27) evenly distributed and fixed on the end surface of the rotating sleeve (23). The slide rails (27) A clamping block (28) is slidably connected to the upper part, a first spring (29) is connected between the clamping block (28) and the rotating sleeve (23), a clamping sleeve (201) is provided on the surface of the rotating sleeve (23), the clamping sleeve (201) can be pressed against the clamping block (28) and drive the clamping block (28) to perform a clamping action, a driving member (5) is symmetrically fixed to one side of the clamping sleeve (201) close to the pneumatic rotary joint (24), the first cylinder (25) and the second cylinder (26) are both fixed in the rotating sleeve (23), the first cylinder (25) drives the clamping sleeve (201) to move via the driving member (5), a push rod (6) is fixed to the middle part of the piston rod of the second cylinder (26), and the push rod (6) is coaxially arranged with the clamping assembly and the rotating sleeve (23).

3. The automatic chamfering device for the end face of the positioning pin of the output shaft of the reducer according to claim 2 is characterized in that: The cross section of the driving member (5) is L-shaped, a clearance groove is provided on the surface of the rotating sleeve (23), a connecting rod is fixed to the end of the piston rod of the first cylinder (25), and one end of the driving member (5) is fixed to the connecting rod.

4. The automatic chamfering device for the end face of the positioning pin of the output shaft of the reducer according to claim 3 is characterized in that: An annular sleeve (7) is also fixed on the surface of the rotating sleeve (23), a through hole is provided in the annular sleeve (7) at a position corresponding to the driving member (5), the annular sleeve (7) is rotatably connected in the shaft seat (21), a gear (8) is also fixed on the surface of the annular sleeve (7), and a driving wheel meshing with the gear (8) is fixed on the surface of the output shaft of the servo motor (22).

5. The automatic chamfering device for the end face of the positioning pin of the output shaft of the reducer according to claim 1 is characterized in that: The frame (1) is also provided with a material guide trough (9), one end of which is connected to the material receiving frame (301), and the other end of which is externally connected to a vibrating loading tray.

6. The automatic chamfering device for the end face of the positioning pin of the output shaft of the reducer according to claim 1 is characterized in that: A discharge chute (10) is provided on the frame (1) next to the clamping and rotating mechanism (2).

7. The automatic chamfering device for the end face of the positioning pin of the output shaft of the reducer according to claim 1 is characterized in that: The bearing frame (34) is symmetrically fixed with guide rods (36), and the mounting frame (31) is provided with guide holes at positions corresponding to the guide rods (36).

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