Grinding device for agricultural machinery gear

Abstract

The utility model discloses a grinder for agricultural machinery gears, and belongs to the technical field of gear grinding. A base is included; the moving seat is slidably mounted at the top of the base; the mounting seat is mounted on the moving seat, and a gear is clamped in the mounting seat; the fixing frame is fixedly mounted on the base; the grinding block is mounted on the side, close to the movable seat, of the fixed frame; the driving mechanism is mounted on the fixing frame and connected with the grinding block, the gear is clamped through the mounting base, the angle of the gear is adjusted, so that the tooth gap of the gear directly faces the grinding block, the driving mechanism drives the grinding block to move back and forth, and the moving base drives the mounting base to gradually get close to the fixing frame. And therefore, the grinding block grinds the tooth side wall at the tooth gap, the tooth precision is guaranteed, and stable meshing of gears in the working process of the agricultural machine is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of gear grinding, and more specifically, to a grinder for agricultural machinery gears. Background Art

[0002] Gears are indispensable transmission parts in agricultural machinery, such as agricultural machinery reducer gears, etc. These agricultural machinery gears need to be ground to ensure accuracy during processing.

[0003] The prior art document CN214134320U provides a grinder for agricultural machinery gears, belonging to the field of agricultural machinery gear processing. The grinder comprises a chassis, a motor fixedly mounted on the inner bottom of the chassis, movable plates fixedly mounted on the top and bottom of the chassis, two movable plates each having a slide groove formed on the sides thereof facing each other, a slider slidably connected within the two slide grooves, a slide plate disposed between the two movable plates, a plurality of connecting columns fixedly mounted on the left side of the slide plate at equal intervals, the left ends of the connecting columns on the upper and lower sides being rotatably connected to threaded sleeves, and the left end of the connecting column in the middle being rotatably connected to a connecting rod, a mounting shaft fixedly mounted on the output end of the motor, a mounting sleeve mounted on the mounting shaft, a grinding disc fixedly mounted on the right end of the mounting sleeve, and a slot formed on the outer surface of the mounting shaft. This structure facilitates the machining and grinding of multiple gears, and the grinding disc is fixed by means of threads, which facilitates the replacement of the grinding disc.

[0004] Although the above-mentioned prior art solutions can achieve the relevant beneficial effects through the structure of the prior art, they still have the following defects:

[0005] The end face of the gear is still flat and can be ground directly using a normal grinder. The operation of the gear mainly depends on the teeth, so the accuracy of the teeth needs to be guaranteed. There should be no burrs on the side of the tooth gap that affect the gear meshing. The current grinder is difficult to grind the gear tooth gap.

[0006] Regarding the above-mentioned related technologies, the inventor believes that the end face of the gear is still a plane and can be ground directly using a normal grinder. In addition, the operation of the gear mainly depends on the teeth, so the accuracy of the teeth needs to be guaranteed. There should be no burrs on the side of the tooth gap that affect the gear meshing. The current grinder is difficult to grind the gear tooth gap.

[0007] In view of this, we propose a grinder for agricultural machinery gears. Utility Model Content

[0008] 1. Technical problems to be solved

[0009] The purpose of this application is to provide a grinder for agricultural machinery gears, which solves the problem that the end face of the gear in the above-mentioned background technology is still a plane and can be ground directly using a normal grinder. The work of the gear mainly depends on the teeth, so the accuracy of the teeth needs to be guaranteed. There should be no burrs on the side of the tooth gap that affect the gear meshing. The current grinder is difficult to grind the gear tooth gap, and the technical effect is achieved.

[0010] 2. Technical solution

[0011] The technical solution of this application provides a grinder for agricultural machinery gears, comprising:

[0012] base;

[0013] A movable seat is slidably mounted on the top of the base;

[0014] A mounting seat, wherein the movable seat is provided with a mounting seat, and a gear is clamped in the mounting seat;

[0015] A fixing frame, wherein the base is fixedly mounted with the fixing frame;

[0016] A grinding block is installed on the side of the fixed frame close to the movable seat;

[0017] A driving mechanism is installed on the fixing frame, and the driving mechanism is connected to the grinding block.

[0018] Through the above scheme, the gear is clamped by the mounting seat and the gear angle is adjusted so that the tooth gap of the gear is facing the grinding block. The driving mechanism drives the grinding block to move back and forth, and the moving seat drives the mounting seat to gradually approach the fixed frame, so that the grinding block grinds the side wall of the tooth at the tooth gap, ensuring the tooth accuracy and the stable meshing of the gears during the operation of the agricultural machinery.

[0019] Optionally, a fixed plate is fixedly installed on the base, a screw is rotatably sleeved between the middle part of the fixed plate and the fixed frame, the screw thread passes through the movable seat, one end of the screw passes through the fixed plate and a handwheel is fixedly installed, guide rods are fixedly installed between the fixed plate and the fixed frame on both sides of the screw, and the guide rods slide through the movable seat.

[0020] With the above solution, the movable seat is driven to move by rotating the screw, so that the mounting seat is moved closer to or away from the fixed frame, which is convenient for installing the gear or adjusting the gear angle to change the ground tooth gap.

[0021] Optionally, the mounting seat includes a fixed seat, which is fixedly mounted on the top of the movable seat, a fixed vertical plate is fixedly mounted on the top of one end of the fixed seat, a mounting shaft is rotatably sleeved on the fixed vertical plate, one end of the mounting shaft passes through the fixed vertical plate and is fixedly sleeved with a worm gear, a worm is rotatably mounted on the outer wall of the fixed vertical plate, the worm gear engages with the worm gear, a movable vertical plate is mounted on the top of the other end of the fixed seat by bolts, the movable vertical plate is movably sleeved on the other end of the mounting shaft, and the gear is sleeved on the mounting shaft between the fixed vertical plate and the movable vertical plate.

[0022] Through the above scheme, after the movable vertical plate is removed, the gear can be sleeved on the mounting shaft and clamped through the flat key and keyway, and then the movable vertical plate bolt is installed on the fixed seat, limiting the other end of the gear and providing the rotating shaft support of the mounting shaft. By rotating the worm, the worm wheel rotates, and the mounting shaft drives the gear to rotate, thereby achieving the purpose of adjusting the direction of the tooth gap so that the tooth gap is facing the grinding block.

[0023] Optionally, a flat key is fixedly installed on the mounting shaft, and a corresponding keyway is opened in the inner cavity of the gear, a pointer is fixedly installed on the side of the fixed vertical plate close to the fixed frame, the grinding block includes a connecting plate, the connecting plate is connected to the driving mechanism, and a grinding rack is installed on the connecting plate by bolts, the side wall of the grinding rack has the same shape as the tooth gap of the gear, and the grinding rack and the pointer are at the same height as the axis of the mounting shaft.

[0024] Through the above scheme, the tooth clearance is adjusted to face the grinding rack through pointer positioning, which is convenient for grinding. In addition, the grinding rack can be replaced, which is convenient for grinding the tooth clearance of gears with different parameters. Regardless of the diameter of the gear, the tooth clearance can be adjusted to face the grinding rack. Combined with replacing the grinding rack of corresponding shape, the purpose of grinding the gear teeth is achieved.

[0025] Optionally, the driving mechanism includes a slide groove, a slide groove is opened on the fixed frame, a slider is slidably engaged in the slide groove, one side of the slider is fixedly connected to the connecting plate, and the other side of the slider is rotatably connected to one end of the connecting rod through a pin shaft. The bottom of the fixed frame is fixedly installed with a frame, and a motor is fixedly installed on the frame. The output shaft of the motor is fixedly sleeved with a rotating wheel, and the rotating wheel is rotatably connected to the other end of the connecting rod through a pin shaft.

[0026] Through the above solution, the motor drives the rotating wheel to rotate, and the rotating wheel pushes and pulls the connecting rod, so that the slider moves back and forth along the slide groove, achieving the purpose of moving the connecting plate back and forth, so that the grinding rack grinds the tooth gap of the gear.

[0027] 3. Beneficial effects

[0028] One or more technical solutions provided in the technical solution of this application have at least the following technical effects or advantages:

[0029] 1. The present invention enables the gear to be sleeved on the mounting shaft and clamped through the flat key and keyway, and then the movable vertical plate bolt is installed on the fixed seat, which limits the other end of the gear and provides the rotating shaft support of the mounting shaft. By rotating the worm, the worm wheel rotates, so that the mounting shaft drives the gear to rotate, so as to achieve the purpose of adjusting the direction of the tooth gap, so that the tooth gap is facing the grinding block, the motor drives the rotating wheel to rotate, and the rotating wheel pushes and pulls the connecting rod, so that the slider moves back and forth along the slide groove, so as to achieve the purpose of moving the connecting plate back and forth, and by rotating the screw to drive the movement of the movable seat, the gear is brought close to the grinding rack for grinding, and after grinding, it is away from the grinding rack, and the tooth gap of the gear is changed and then ground again, so as to achieve the purpose of gear tooth processing and ensure the meshing accuracy of the gear when the agricultural machinery is used;

[0030] 2. Through the pointer positioning, it is easy to adjust the tooth clearance and the grinding rack, which is convenient for grinding. The grinding rack can be replaced, which is convenient for grinding the tooth clearance of gears with different parameters. Regardless of the gear diameter, the tooth clearance can be adjusted to face the grinding rack, and combined with the replacement of the grinding rack of the corresponding shape, the purpose of grinding the gear teeth can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of a partial cross-sectional structure of a grinder for agricultural machinery gears disclosed in a preferred embodiment of the present application;

[0032] Figure 2 A preferred embodiment of this application is disclosed Figure 1 A in the middle is an enlarged structural diagram;

[0033] Figure 3 This is an exploded view of the mounting base structure disclosed in a preferred embodiment of the present application;

[0034] Figure 4 This is a structural diagram of a driving mechanism disclosed in a preferred embodiment of the present application;

[0035] Explanation of the numbers in the figure: 1. Base; 2. Moving base; 3. Mounting base; 31. Fixed base; 32. Fixed vertical plate; 33. Mounting shaft; 34. Movable vertical plate; 35. Worm gear; 36. Worm; 37. Pointer; 4. Gear; 5. Grinding block; 51. Connecting plate; 52. Grinding rack; 6. Driving mechanism; 61. Slide; 62. Slider; 63. Connecting rod; 64. Frame; 65. Motor; 66. Rotating wheel; 7. Fixed frame; 8. Fixed plate; 9. Screw; 10. Guide rod DETAILED DESCRIPTION

[0036] The present application is further described in detail below with reference to the accompanying drawings.

[0037] Reference Figure 1 and Figure 4The embodiment of the present application provides a grinder for agricultural machinery gears, comprising: a base 1; a movable base 2, with the movable base 2 slidably mounted on the top of the base 1; a mounting base 3, with the mounting base 3 mounted on the movable base 2, and a gear 4 clamped in the mounting base 3; a fixed frame 7, with the fixed frame 7 fixedly mounted on the base 1; a grinding block 5, with the grinding block 5 mounted on the side of the fixed frame 7 close to the movable base 2; a driving mechanism 6, with the driving mechanism 6 mounted on the fixed frame 7, and the driving mechanism 6 connected to the grinding block 5, clamping the gear 4 through the mounting base 3, and adjusting the angle of the gear 4 so that the tooth gap of the gear 4 is facing the grinding block 5, the driving mechanism 6 drives the grinding block 5 to move back and forth, and the movable base 2 drives the mounting base 3 to gradually approach the fixed frame 7, so that the grinding block 5 grinds the side wall of the tooth at the tooth gap, ensuring the tooth accuracy and ensuring the meshing stability of the gear 4 during the operation of the agricultural machinery.

[0038] Reference Figure 1 A fixed plate 8 is fixedly installed on the base 1, and a screw 9 is rotatably connected between the middle part of the fixed plate 8 and the fixed frame 7. The screw 9 threadedly penetrates the movable seat 2, and one end of the screw 9 penetrates the fixed plate 8 and is fixedly installed with a handwheel. A guide rod 10 is fixedly installed between the fixed plate 8 and the fixed frame 7 on both sides of the screw 9. The guide rod 10 slides through the movable seat 2, and the movement of the movable seat 2 is driven by rotating the screw 9, so that the mounting seat 3 is close to or away from the fixed frame 7, which is convenient for installing the gear 4 or adjusting the angle of the gear 4 to replace the grinding tooth gap.

[0039] Reference Figure 2 and Figure 3 The mounting base 3 includes a fixed base 31, which is fixedly mounted on the top of the movable base 2. A fixed vertical plate 32 is fixedly mounted on the top of one end of the fixed base 31. A mounting shaft 33 is rotatably sleeved on the fixed vertical plate 32. One end of the mounting shaft 33 passes through the fixed vertical plate 32 and is fixedly sleeved with a worm gear 35. A worm 36 is rotatably mounted on the outer wall of the fixed vertical plate 32. The worm 36 engages with the worm gear 35. A movable vertical plate 34 is mounted on the top of the other end of the fixed base 31 by bolts. The movable vertical plate 34 is movably sleeved on the mounting shaft 33. At the other end, the gear 4 is sleeved on the mounting shaft 33 between the fixed vertical plate 32 and the movable vertical plate 34. After the movable vertical plate 34 is removed, the gear 4 can be sleeved on the mounting shaft 33 and clamped through the flat key and keyway. Then the movable vertical plate 34 is bolted to the fixed seat 31, limiting the other end of the gear 4 and providing a rotating shaft support for the mounting shaft 33. By rotating the worm 36, the worm wheel 35 rotates, so that the mounting shaft 33 drives the gear 4 to rotate, thereby achieving the purpose of adjusting the direction of the tooth gap so that the tooth gap is facing the grinding block 5.

[0040] Reference Figure 2 and Figure 3, a flat key is fixedly installed on the mounting shaft 33, and a corresponding keyway is opened in the inner cavity of the gear 4. A pointer 37 is fixedly installed on the side of the fixed vertical plate 32 close to the fixed frame 7. The grinding block 5 includes a connecting plate 51, which is connected to the driving mechanism 6. A grinding rack 52 is installed on the connecting plate 51 by bolts. The side wall of the grinding rack 52 has the same shape as the tooth gap of the gear 4. The grinding rack 52 and the pointer 37 are at the same height as the axis of the mounting shaft 33. The pointer 37 is positioned to facilitate adjustment of the tooth gap to face the grinding rack 52 for grinding. The grinding rack 52 can be replaced to facilitate grinding the tooth gap of gears 4 with different parameters. Regardless of the diameter of the gear 4, the tooth gap can be adjusted to face the grinding rack 52. Combined with replacing the grinding rack 52 of corresponding shape, the purpose of grinding the teeth of the gear 4 is achieved.

[0041] Reference Figure 1 and Figure 4 The driving mechanism 6 includes a slide groove 61, a slide groove 61 is opened on the fixed frame 7, and a slider 62 is slidably engaged in the slide groove 61. One side of the slider 62 is fixedly connected to the connecting plate 51, and the other side of the slider 62 is rotatably connected to one end of the connecting rod 63 through a pin shaft. The bottom of the fixed frame 7 is fixedly installed with a frame 64, and a motor 65 is fixedly installed on the frame 64. The output shaft of the motor 65 is fixedly sleeved with a rotating wheel 66, and the rotating wheel 66 is rotatably connected to the other end of the connecting rod 63 through a pin shaft. The motor 65 drives the rotating wheel 66 to rotate, and the rotating wheel 66 pushes and pulls the connecting rod 63, so that the slider 62 moves back and forth along the slide groove 61, so as to achieve the purpose of moving the connecting plate 51 back and forth, so that the grinding rack 52 grinds the tooth gap of the gear 4.

[0042] Working principle: After the movable vertical plate 34 is removed, the gear 4 can be sleeved on the mounting shaft 33 and clamped through the flat key and keyway, and then the movable vertical plate 34 is bolted to the fixed seat 31, limiting the other end of the gear 4 and providing a rotating shaft support for the mounting shaft 33. By rotating the worm 36, the worm wheel 35 rotates, so that the mounting shaft 33 drives the gear 4 to rotate, so as to achieve the purpose of adjusting the direction of the tooth gap so that the tooth gap is facing the grinding block 5. The motor 65 drives the rotating wheel 66 to rotate, and the rotating wheel 66 pushes and pulls the connecting rod 63, so that the slider 62 moves back and forth along the slide groove 61, so as to achieve the purpose of moving the connecting plate 51 back and forth. By rotating the screw 9, the movable seat 2 is driven to move, so that the gear 4 is close to the grinding rack 52 for grinding, and after grinding, it is away from the grinding rack 52. The tooth gap of the gear 4 is replaced and then ground, so as to achieve the purpose of processing the teeth of the gear 4 and ensure the meshing accuracy of the gear 4 when the agricultural machinery is used.

Claims

1. A grinder for agricultural machinery gears, characterized in that: Include: Base (1); A movable seat (2), the top of the base (1) being slidably mounted with the movable seat (2); A mounting seat (3), the movable seat (2) being mounted with the mounting seat (3), the mounting seat (3) being clamped with a gear (4); A fixing frame (7), the fixing frame (7) being fixedly mounted on the base (1); A grinding block (5), wherein the grinding block (5) is installed on a side of the fixed frame (7) close to the movable seat (2); A driving mechanism (6), wherein the driving mechanism (6) is installed on the fixed frame (7), and the driving mechanism (6) is connected to the grinding block (5).

2. The agricultural machinery gear grinder according to claim 1, characterized in that: A fixing plate (8) is fixedly mounted on the base (1); a screw rod (9) is rotatably sleeved between the middle of the fixing plate (8) and the fixing frame (7); the screw rod (9) threadably penetrates the movable seat (2); one end of the screw rod (9) penetrates the fixing plate (8) and is fixedly mounted with a hand wheel; guide rods (10) are fixedly mounted between the fixing plate (8) and the fixing frame (7) on both sides of the screw rod (9); and the guide rods (10) slide through the movable seat (2).

3. The agricultural machinery gear grinder according to claim 1, characterized in that: The mounting seat (3) comprises a fixed seat (31), wherein the fixed seat (31) is fixedly mounted on the top of the movable seat (2); a fixed vertical plate (32) is fixedly mounted on the top of one end of the fixed seat (31); a mounting shaft (33) is rotatably sleeved on the fixed vertical plate (32); one end of the mounting shaft (33) passes through the fixed vertical plate (32) and is fixedly sleeved on a worm gear (35); a worm (36) is rotatably mounted on the outer wall of the fixed vertical plate (32); the worm (36) engages with the worm gear (35); a movable vertical plate (34) is mounted on the top of the other end of the fixed seat (31) by means of bolts; the movable vertical plate (34) is movably sleeved on the other end of the mounting shaft (33); and the gear (4) is sleeved on the mounting shaft (33) between the fixed vertical plate (32) and the movable vertical plate (34).

4. The agricultural machinery gear grinder according to claim 3, characterized in that: A flat key is fixedly mounted on the mounting shaft (33), and a corresponding keyway is formed in the inner cavity of the gear (4); a pointer (37) is fixedly mounted on the side of the fixed vertical plate (32) close to the fixed frame (7); the grinding block (5) comprises a connecting plate (51), the connecting plate (51) is connected to the driving mechanism (6), a grinding rack (52) is mounted on the connecting plate (51) by bolts, a side wall of the grinding rack (52) has the same shape as the tooth gap of the gear (4), and the grinding rack (52) and the pointer (37) are both at the same height as the axis of the mounting shaft (33).

5. The agricultural machinery gear grinder according to claim 4, characterized in that: The driving mechanism (6) comprises a slide groove (61), the fixed frame (7) is provided with a slide groove (61), a slider (62) is slidably engaged in the slide groove (61), one side of the slider (62) is fixedly connected to the connecting plate (51), the other side of the slider (62) is rotatably connected to one end of a connecting rod (63) via a pin shaft, a frame (64) is fixedly mounted on the bottom of the fixed frame (7), a motor (65) is fixedly mounted on the frame (64), an output shaft of the motor (65) is fixedly sleeved with a rotating wheel (66), and the rotating wheel (66) is rotatably connected to the other end of the connecting rod (63) via a pin shaft.

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