Gear grinding device

Abstract

The utility model discloses a gear polishing device which comprises a mounting base, two end face polishing mechanisms which are arranged in parallel front and back are arranged on the left side of the upper end face of the mounting base, and a mounting mechanism and a tooth groove polishing mechanism are arranged on the right side of the upper end face in a sliding fit mode and arranged front and back. The end face grinding mechanism comprises a first driving motor, a first lead screw and a lifting block, a vertical supporting plate is arranged on the left side of the mounting base, the first driving motor is mounted on the upper end face of the supporting plate, one end of the first lead screw is connected with one end of the first driving motor, and the other end of the first lead screw penetrates through the supporting plate and the lifting block and is rotationally connected with the mounting base; the lifting block is in threaded fit with the first lead screw, an upper end face grinding disc is arranged at the upper end of the lifting block in the end face grinding mechanism located at the front end, and a lower end face grinding disc is arranged at the lower end of the lifting block in the end face grinding mechanism located at the rear end. The device has the advantages that the upper and lower end faces of the gear can be polished simultaneously, the gear does not need to be clamped and disassembled repeatedly, and the gear polishing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear processing equipment, in particular to a gear grinding device. Background Art

[0002] After the gears are machined, burrs are inevitable. The burrs will affect the surface roughness of the gears and the accuracy of the gear size measurement, and are not conducive to ensuring the quality of subsequent processing. Therefore, deburring is an indispensable process in the gear processing.

[0003] In the past, it was difficult for general gear grinding devices to complete the comprehensive grinding of gears at one time, and multiple devices were required for grinding, which was inconvenient to use. In order to improve production efficiency, some manufacturers adopted special grinding equipment. For example, patent CN216681632U discloses a gear grinding device. In this gear grinding device, the grinding block can complete the grinding of the gear surface, the fixing buckle can fix the gear, and the grinding block can move up and down to adapt to gears of different thicknesses. However, since both end faces of the gear need to be polished, the device can only grind the upper end face of the gear first, and then turn the gear over to grind the other end face. The gear needs to be clamped and disassembled twice, which is inefficient. Utility Model Content

[0004] The purpose of the utility model is to provide a gear grinding device, which has the advantages of being able to grind the upper and lower end faces of the gear at the same time, eliminating the need to clamp and disassemble the gear multiple times, thereby improving the grinding efficiency of the gear.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a gear grinding device, including a mounting seat, two end face grinding mechanisms arranged in parallel front and back are arranged on the left side of the upper end face of the mounting seat, and a mounting mechanism and a tooth groove grinding mechanism are slidably matched on the right side of the upper end face, and the mounting mechanism and the tooth groove grinding mechanism are arranged in front and back;

[0006] Furthermore, the end face grinding mechanism includes a first drive motor, a first screw rod and a lifting block. A vertical support plate is provided on the left side of the mounting seat. The first drive motor is installed on the upper end face of the support plate. One end of the first screw rod is connected to one end of the first drive motor, and the other end passes through the support plate and the lifting block and is rotatably connected to the mounting seat. The lifting block is threadably adapted to the first screw rod, and an upper end face grinding disc is provided at the upper end of the lifting block in the end face grinding mechanism located at the front end, and a lower end face grinding disc is provided at the lower end of the lifting block in the end face grinding mechanism located at the rear end.

[0007] Furthermore, the mounting mechanism includes a first slider, a second screw rod, a second drive motor and a gear mounting shaft. A first transverse slide groove is opened at the front portion of the right side of the upper end surface of the mounting seat. The first slider is slidably fitted in the first slide groove. The second drive motor is mounted on the right end surface of the mounting seat. One end of the second screw rod is connected to the drive shaft of the second drive motor, and the other end passes through the first slider and is rotatably connected to the mounting seat. The first slider is threadably adapted to the second screw rod. A third drive motor is provided on the upper end surface of the first slider. One end of the gear mounting shaft is connected to the drive shaft of the third drive motor, and the gear mounting shaft is vertically arranged.

[0008] Furthermore, the tooth groove grinding mechanism includes a second slider, a third screw rod, a gear hob, a connecting column and a fourth drive motor. A vertical second slide groove is opened at the rear portion of the right side of the upper end surface of the mounting seat. The second slider is slidably fitted in the second slide groove. The fourth drive motor is installed on the rear end surface of the mounting seat. One end of the third screw rod is connected to the drive shaft of the fourth drive motor, and the other end passes through the second slider and is rotatably connected to the mounting seat. The connecting column is provided with two and is symmetrically arranged on the left and right sides of the upper end surface of the second slider. One of the connecting columns is equipped with a fifth drive motor. The two ends of the gear hob are respectively rotatably connected to the two connecting columns and one end of each is connected to the drive shaft of the fifth drive motor.

[0009] Furthermore, one end of the lifting block is slidably matched with the support plate.

[0010] Furthermore, the upper part of the gear mounting shaft is a two-stage stepped shaft, wherein the shaft diameter at the upper end is smaller than the shaft diameter at the lower end, and the shaft diameter at the upper end is smaller than the inner hole of the gear, the shaft diameter at the lower end is larger than the inner hole of the gear, and the stepped surface is opposite to the axis of the gear hob.

[0011] Furthermore, an upper small shaft on the upper part of the gear mounting shaft is provided with an external thread.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] The gear is installed on the gear installation shaft. When the gear is fixed and installed, the third drive motor is started. The third drive motor can be an existing variable speed motor. At this time, the third drive motor is put into high-speed rotation mode to rotate the gear at high speed. Then, the first drive motor can be started according to the specific situation, and the upper end surface grinding disc is moved downward and contacts the upper end surface of the gear, and the lower end surface grinding disc is moved upward and contacts the lower end surface of the gear. The end surface is polished by the high-speed rotation of the gear. When polishing the end surface, the upper end surface grinding disc and the lower end surface grinding disc can be moved at the same time. When moving at the same time, the upper and lower end surfaces of the gear can be polished at the same time, without clamping and disassembling the gear many times, thereby improving the polishing efficiency of the gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front cross-sectional view of the utility model;

[0015] Figure 2 for Figure 1 AA view;

[0016] Figure 3 for Figure 1 BB view;

[0017] Figure 4 A top sectional view of the support plate.

[0018] In the figure: 1. mounting base; 2. support plate; 3. first drive motor; 4. first screw rod; 5. lifting block; 6. upper end surface grinding disc; 7. lower end surface grinding disc; 8. first slider; 9. second screw rod; 10. second drive motor; 11. gear mounting shaft; 12. first slide groove; 13. third drive motor; 14. second slider; 15. third screw rod; 16. gear hob; 17. connecting column; 18. fourth drive motor; 19. second slide groove; 20. fifth drive motor. DETAILED DESCRIPTION

[0019] The utility model will be further described below.

[0020] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0022] See also Figure 1-4

[0023] A gear grinding device comprises a mounting seat 1, wherein the left side of the upper end surface of the mounting seat 1 is provided with two end surface grinding mechanisms arranged in parallel in front and back, and the right side of the upper end surface is slidably matched with a mounting mechanism and a tooth groove grinding mechanism, and the mounting mechanism and the tooth groove grinding mechanism are arranged in front and back;

[0024] The end face grinding mechanism includes a first drive motor 3, a first screw rod 4 and a lifting block 5. A vertical support plate 2 is provided on the left side of the mounting seat 1. The first drive motor 3 is installed on the upper end face of the support plate 2. One end of the first screw rod 4 is connected to one end of the first drive motor 3, and the other end passes through the support plate 2 and the lifting block 5 and is rotatably connected to the mounting seat 1 through a bearing. The lifting block 5 is threadably adapted to the first screw rod 4, and an upper end face grinding disc 6 is provided at the upper end of the lifting block 5 in the end face grinding mechanism located at the front end, and a lower end face grinding disc 7 is provided at the lower end of the lifting block 5 in the end face grinding mechanism located at the rear end.

[0025] The cross section of the support plate 2 is in the shape of a letter "7", and includes a horizontal plate and a vertical plate, wherein the vertical plate can be fixedly mounted on the mounting base 1 by welding or screw connection. The mounting base 1 can preferably be made of metal material and fixed to the ground by screws to ensure the overall strength of the mounting base 1 and the stability of the mounting base 1 during processing. The first drive motor 3 is fixedly mounted on the horizontal plate of the support plate 2, and the first screw rod 4 passes through the middle of the lifting block 5 from top to bottom and is threadedly adapted to the lifting block 5. When the first screw rod 4 rotates forward, the lifting block 5 moves upward, and when the first screw rod 4 rotates reversely, the lifting block 5 moves downward. The positions of the upper end surface grinding disc 6 and the lower end surface grinding disc 7 are adjusted by the movement of the lifting block 5, so that the grinding disc moves to fit the upper and lower end surfaces of the gear.

[0026] The upper end surface grinding disc 6 and the lower end surface grinding disc 7 are used to grind the upper end surface and the lower end surface of the gear respectively to remove burrs thereon. Preferably, the upper end surface grinding disc 6 and the lower end surface grinding disc 7 can use grinding wheels, wire wheels, etc. in the prior art. The upper end surface grinding disc 6 and the lower end surface grinding disc 7 can be detachably installed on the lifting block 5 by means of screw connection. Specifically, the end surface of the lifting block 5 is provided with a threaded hole. The upper end surface grinding disc 6 and the lower end surface grinding disc 7 are disc-shaped structures with a through hole at the center of the grinding wheel, wire wheel, etc. The through hole is aligned with the threaded hole on the lifting block 5, and the screw is screwed into the threaded hole so that the screw is pressed tightly against the grinding disc to fix the grinding disc.

[0027] Specifically, in this embodiment, the mounting mechanism includes a first slider 8, a second screw rod 9, a second drive motor 10 and a gear mounting shaft 11. A transverse first slide groove 12 is provided at the front portion of the right side of the upper end surface of the mounting seat 1. The first slider 8 is slidably fitted in the first slide groove 12. The second drive motor 10 is mounted on the right end surface of the mounting seat 1. One end of the second screw rod 9 is connected to the drive shaft of the second drive motor 10, and the other end passes through the first slider 8 and is rotatably connected to the mounting seat 1. The first slider 8 is threadedly adapted to the second screw rod 9. A third drive motor 13 is provided on the upper end surface of the first slider 8. One end of the gear mounting shaft 11 is connected to the drive shaft of the third drive motor 13, and the gear mounting shaft 11 is vertically arranged.

[0028] The first slide groove 12 is a rectangular slide groove, and the first slider 8 is a rectangular slider. The width of the first slider 8 is slightly smaller than the width of the first slide groove 12, which facilitates the first slider 8 to slide along the length direction of the first slide groove 12. The second screw rod 9 is rotatably connected to the mounting seat 1 through a bearing. When the second screw rod 9 rotates forward, the first slider 8 moves to the left, and when the second screw rod 9 rotates reversely, the first slider 8 moves to the right. The left and right positions of the gears are adjusted by moving the first slider 8, so that the end point of the grinding disc can be as close to the axis of the gear as possible, thereby increasing the grinding area and improving the grinding efficiency.

[0029] Specifically, in this embodiment, the tooth groove grinding mechanism includes a second slider 14, a third screw rod 15, a gear hob 16, a connecting column 17 and a fourth drive motor 18. A vertical second slide groove 19 is opened at the rear portion of the right side of the upper end surface of the mounting seat 1. The second slider 14 is slidably fitted in the second slide groove 19. The fourth drive motor 18 is installed on the rear end surface of the mounting seat 1. One end of the third screw rod 15 is connected to the drive shaft of the fourth drive motor 18, and the other end passes through the second slider 14 and is rotatably connected to the mounting seat 1. The connecting column 17 is provided with two and is symmetrically arranged on the left and right sides of the upper end surface of the second slider 14. One of the connecting columns 17 is installed with a fifth drive motor 20. The two ends of the gear hob 16 are respectively rotatably connected to the two connecting columns 17 and one end of the gear hob 16 is connected to the drive shaft of the fifth drive motor 20.

[0030] The second slide groove 19 is a rectangular slide groove, and the second slider 14 is a rectangular slider. The width of the second slider 14 is slightly smaller than the width of the second slide groove 19, which facilitates the second slider 14 to slide along the length direction of the second slide groove 19. The third screw rod 15 is rotatably connected to the mounting seat 1 through a bearing. When the third screw rod 15 rotates forward, the second slider 14 moves to the left, and when the third screw rod 15 rotates reversely, the second slider 14 moves to the right. The front and rear positions of the gear hob 16 are adjusted by the movement of the second slider 14, so that the gear hob 16 can be adapted to mesh with the gear.

[0031] The gear hob 16 is equivalent to a helical gear with a small number of teeth and a large helix angle, and its appearance is worm-shaped. When the gear hob 16 rotates, the gear rotates one tooth around its own axis, thereby realizing the grinding of the gear teeth; most of the existing gear hobs 16 are hollow cylindrical, so when the gear hob 16 is connected to the connecting column 17, it can be connected through a connecting shaft. Specifically, the middle part of the connecting shaft is sleeved on the gear hob 16, and then the locating key is inserted into the keyway of the inner hole wall of the gear hob 16, so that the gear hob 16 is fixed on the connecting shaft, and then the two ends of the connecting shaft are rotatably connected to the connecting column 17 through bearings, and one end of the connecting shaft is also connected to the drive shaft of the fifth drive motor 20.

[0032] One end of the lifting block 5 is slidably matched with the support plate 2. Figure 4 As shown, the vertical plate of the support plate 2 is provided with a T-shaped slot, and one end of the lifting block 5 is a T-shaped structure adapted to the T-shaped slot. The T-shaped structure can further ensure the stability of the lifting block 5 when sliding up and down, and prevent the lifting block 5 from moving left and right.

[0033] The gear installation shaft 11 is used to install the gear. Specifically, the upper part of the gear installation shaft 11 is a two-stage stepped shaft, wherein the shaft diameter at the upper end is smaller than the shaft diameter at the lower end, and the shaft diameter at the upper end is smaller than the inner hole of the gear, the shaft diameter at the lower end is larger than the inner hole of the gear, and the stepped surface is opposite to the axis of the gear hob 16, and the upper end small shaft of the upper part of the gear installation shaft 11 is provided with an external thread. When installing the gear, the lower end face of the gear is in contact with the stepped surface, and the gear is quickly positioned and installed through the stepped surface, and then the fixing nut is screwed into the upper end small shaft, and the gear is fixed by pressing the fixing nut down.

[0034] The working principle of this utility model:

[0035] First, the gear is installed on the gear installation shaft 11. When the gear is fixed and installed, the third drive motor 13 is started. The third drive motor can be an existing variable speed motor. At this time, the third drive motor 13 is put into high-speed rotation mode to rotate the gear at high speed. Then, the first drive motor 3 can be started according to the specific situation, and the upper end surface grinding disc 6 is moved downward and contacts the upper end surface of the gear, and the lower end surface grinding disc 7 is moved upward and contacts the lower end surface of the gear. The end surface is polished by the high-speed rotation of the gear. When polishing the end surface, the upper end surface grinding disc 6 and the lower end surface grinding disc 7 can be moved at the same time. When moving at the same time, the upper and lower end surfaces of the gear can be polished at the same time, without clamping and disassembling the gear multiple times, thereby improving the grinding efficiency of the gear. Of course, the upper end surface can also be moved alone. The grinding disc 6 or the lower end surface grinding disc 7 is convenient for the separate grinding of the upper end surface or the lower end surface of the gear; when the end surface grinding of the gear is completed, the third drive motor 13 can be stopped and the fourth drive motor 18 can be started to allow the gear hob 16 to move forward and mesh with the gear. Of course, the gear teeth may not be facing the gear rolling 16. At this time, the gear mounting shaft 11 can be slightly rotated manually. After the gear hob 16 meshes with the gear, the third drive motor 13 and the fifth drive motor 20 are started at the same time. At this time, the third drive motor 13 is in a low-speed rotation mode, and the rotation speed of the fifth drive motor 20 is adapted to the rotation speed of the third drive motor 13. The gear hob 16 is rotated once, and the gear rotates one tooth around its own axis to achieve the grinding of the gear teeth.

[0036] Specific examples are used in this article to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the method of the utility model and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation methods and application scope. Changes and improvements to the utility model will be possible without exceeding the concept and scope specified in the attached claims. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A gear grinding device, characterized in that: It comprises a mounting seat (1), wherein the left side of the upper end surface of the mounting seat (1) is provided with two end surface grinding mechanisms arranged in parallel in front and back, and the right side of the upper end surface is slidably matched with a mounting mechanism and a tooth groove grinding mechanism, and the mounting mechanism and the tooth groove grinding mechanism are arranged in front and back; The end face grinding mechanism comprises a first drive motor (3), a first screw rod (4) and a lifting block (5); a vertical support plate (2) is provided on the left side of the mounting seat (1); the first drive motor (3) is mounted on the upper end face of the support plate (2); one end of the first screw rod (4) is connected to one end of the first drive motor (3); the other end passes through the support plate (2) and the lifting block (5) and is rotatably connected to the mounting seat (1); the lifting block (5) is threadably matched with the first screw rod (4); an upper end face grinding disc (6) is provided at the upper end of the lifting block (5) in the end face grinding mechanism at the front end; and a lower end face grinding disc (7) is provided at the lower end of the lifting block (5) in the end face grinding mechanism at the rear end.

2. A gear grinding device according to claim 1, characterized in that: The mounting mechanism comprises a first slider (8), a second screw rod (9), a second drive motor (10) and a gear mounting shaft (11); a first transverse slide groove (12) is provided at the front right side of the upper end surface of the mounting seat (1); the first slider (8) is slidably fitted in the first slide groove (12); the second drive motor (10) is mounted on the right end surface of the mounting seat (1); one end of the second screw rod (9) is connected to the drive shaft of the second drive motor (10); the other end passes through the first slider (8) and is rotatably connected to the mounting seat (1); the first slider (8) and the second screw rod (9) are threadedly adapted; a third drive motor (13) is provided on the upper end surface of the first slider (8); one end of the gear mounting shaft (11) is connected to the drive shaft of the third drive motor (13); and the gear mounting shaft (11) is vertically arranged.

3. A gear grinding device according to claim 2, characterized in that: The tooth groove grinding mechanism comprises a second slider (14), a third screw rod (15), a gear hob (16), a connecting column (17) and a fourth drive motor (18). A vertical second slide groove (19) is provided at the rear portion of the right side of the upper end surface of the mounting seat (1). The second slider (14) is slidably engaged in the second slide groove (19). The fourth drive motor (18) is mounted on the rear end surface of the mounting seat (1). One end of the third screw rod (15) is connected to the drive shaft of the fourth drive motor (18), and the other end passes through the second slider (14) and is rotatably connected to the mounting seat (1). The connecting column (17) is provided with two and is symmetrically arranged on the left and right sides of the upper end surface of the second slider (14). One of the connecting columns (17) is installed with a fifth drive motor (20). The two ends of the gear hob (16) are respectively rotatably connected to the two connecting columns (17) and one end thereof is connected to the drive shaft of the fifth drive motor (20).

4. A gear grinding device according to claim 3, characterized in that: One end of the lifting block (5) is slidably matched with the support plate (2).

5. A gear grinding device according to claim 4, characterized in that: The upper part of the gear mounting shaft (11) is a two-stage stepped shaft, wherein the shaft diameter at the upper end is smaller than the shaft diameter at the lower end, and the shaft diameter at the upper end is smaller than the inner hole of the gear, the shaft diameter at the lower end is larger than the inner hole of the gear, and the stepped surface faces the axis of the gear hob (16).

6. A gear grinding device according to claim 5, characterized in that: The upper end small shaft of the upper part of the gear installation shaft (11) is provided with an external thread.

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