CN220515634U - Gear grinding device for racks - Google Patents

Abstract

The utility model relates to the field of rack gear grinding devices, and discloses a rack gear grinding device which comprises a main body and a supporting frame, wherein a first motor is fixedly connected to the upper part of the outer wall of the rear end of the main body. According to the utility model, when the rack to be ground is placed in the placing plate by a worker, the rack to be ground is matched with the bidirectional threaded rod by shaking the rotating handle, so that the second threaded sleeve is mutually close to each other, further the rack to be ground is clamped, the first motor is started to rotate the threaded rod, so that the placing plate is driven to be close to the supporting frame, when the rack reaches a proper position, the oil cylinder is started to control the gear grinding box to descend, meanwhile, the second motor is started to rotate the rotating roller and the grinding wheel, so that the rack is ground, and the first motor continuously rotates during gear grinding, so that the rack is driven to continuously move, further the contact area between the grinding wheel and the rack is increased, and the surface roughness of the rack can be reduced to be less than 1.2 mu m.

Description

Gear grinding device for racks

Technical Field

The utility model relates to the field of rack gear grinding devices, in particular to a rack gear grinding device.

Background

The rack is a special gear with teeth distributed on the bar-shaped body, and is a bar-shaped part matched with the gear in daily use, the use method of the rack is that the teeth of the rack are meshed with the gear, so that the motion mode of the gear is changed from rotation to movement or from movement to rotation, in the production and processing of the rack, a rack tooth grinding device is required to grind the rack, so that the roughness of the surface of the rack is improved, the surface roughness of the rack is reduced to be less than 1.2 mu m, and the advantages of reducing friction, improving occlusion performance, reducing noise, improving processing precision and the like are achieved.

But traditional rack grinding device is most unable fixed with the rack at the during operation, therefore the phenomenon that the rack was disturbed can appear in the processing, thereby the precision that the rack was polished has been reduced, simultaneously traditional rack grinding device is being carried out the grinding during operation, because the rack is mostly fixed position grinding, consequently the incomplete phenomenon of grinding device and rack contact can appear, thereby the grinding effect of rack grinding device has been influenced, and the condition that rack sweeps splashed can appear in the during operation of carrying out the rack grinding, however traditional rack grinding device is mostly not equipped with the equipment of collecting the sweeps, therefore the practicality is relatively poor.

Accordingly, a rack gear grinding device is provided by those skilled in the art to solve the above-mentioned problems set forth in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a rack gear grinding device, when in use, a worker firstly places a rack to be gear ground in a placing plate, then shakes a rotating handle to match a bidirectional threaded rod, so that second threaded sleeves are mutually close to each other, further clamping work is carried out on the rack to be ground, then starts a first motor to rotate the threaded rod, further drives the placing plate to approach a supporting frame, when the proper position is reached, a starting oil cylinder controls a gear grinding box to descend, and simultaneously starts a second motor to rotate a rotating roller and a grinding wheel, so that gear grinding work is carried out on the rack, and the first motor continuously rotates during gear grinding, so that the rack is driven to continuously move, further the contact area between the grinding wheel and the rack is increased, and the device can reduce the roughness of the surface of the rack.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a rack gear grinding device, includes main part and support frame, the upper portion fixedly connected with first motor of main part rear end outer wall, first screw thread cavity has been seted up at the middle part of main part upper surface, the output of first motor runs through the inside of main part to first screw thread cavity and fixedly connected with threaded rod, the shaft threaded connection of threaded rod has first thread bush, the upper surface fixedly connected with of first thread bush places the board, the middle part of placing the board front end outer wall is provided with the rotation handle, the second screw thread cavity has been seted up at the middle part of placing the board upper surface, the rear end of rotation handle runs through the inside of placing the board to second screw thread cavity and fixedly connected with two-way threaded rod;

the middle part of the upper surface of the support frame is fixedly connected with an oil cylinder, the output end of the oil cylinder is fixedly connected with a gear grinding box, a placing cavity is formed in one side of the gear grinding box, the middle part of the inner bottom surface of the placing cavity is fixedly connected with a second motor, and the output end of the second motor penetrates through the placing cavity to the inside of the gear grinding box and is fixedly connected with a rotating rod;

through above-mentioned technical scheme, when carrying out rack gear grinding work, through starting the fan cooperation tuber pipe, be connected through exhaust column and inlet scoop simultaneously to be convenient for the device concentrate collection and emission with rack sweeps, and then improve the operational environment of the device during operation, improved the practicality of the device.

Further, a fan is fixedly connected to the middle part of the inner bottom surface of the main body, an exhaust pipe is fixedly connected to the air suction end of the fan, an air outlet pipe is fixedly connected to the air outlet end of the fan, air suction openings are formed in two sides of the middle part of the upper surface of the main body, the upper ends of the exhaust pipes are fixedly connected with the lower ends of the air suction openings, and a filter screen is fixedly connected to the inner wall of each air suction opening;

through above-mentioned technical scheme, through fan cooperation exhaust column and play tuber pipe to the sweeps that produces when the device will rack polish are concentrated and are collected.

Further, the two sides of the lower surface of the placing plate are fixedly connected with sliding blocks, the two sides of the upper surface of the main body are provided with sliding grooves, and the sliding blocks slide in the sliding grooves;

through above-mentioned technical scheme, slide inside the spout through the slider to be convenient for should place the board and remove in the upper end of main part.

Further, the front end and the rear end of the rod body of the bidirectional threaded rod are both in threaded connection with a second threaded sleeve, sliding grooves are formed in two sides of the upper surface of the placing plate, sliding rods are fixedly connected in the sliding grooves, and sliding blocks are slidably connected to the front end and the rear end of the rod body of the sliding rod;

through above-mentioned technical scheme, through sliding tray cooperation sliding block to the rack that the device centre gripping is waited to polish of being convenient for.

Further, connecting rods are fixedly connected to two sides of the lower end of the second threaded sleeve, and one side, away from the second threaded sleeve, of each connecting rod is fixedly connected with the outer wall of the lower end of the sliding block;

through above-mentioned technical scheme, through the fixed connection of connecting rod with second thread bush and sliding block respectively to the removal of placing the board is convenient for.

Further, the upper surfaces of the sliding block and the second thread sleeve are fixedly connected with clamping plates, and one ends of the clamping plates, which are close to the center of the bidirectional threaded rod, are fixedly connected with anti-slip pads;

through above-mentioned technical scheme, thereby stability when having improved the device centre gripping through the slipmat.

Further, the four corners of the lower surface of the main body are fixedly connected with supporting legs;

through above-mentioned technical scheme, through the supporting leg to the stability of the device main part during operation has been improved.

Further, a rotating roller is fixedly connected to the middle of the outer wall of the rotating rod, and a plurality of grinding wheels are fixedly connected to the outer wall of the rotating roller;

through above-mentioned technical scheme, thereby be convenient for the device polish work to the rack through the abrasive wheel.

The utility model has the following beneficial effects:

1. compared with the existing rack gear grinding device, when the rack gear grinding device is used, a worker firstly places a rack to be gear ground in the placement plate, then shakes the rotating handle to match with the bidirectional threaded rod, so that the second threaded sleeve is close to each other, further clamping work is carried out on the rack to be ground, then the first motor is started to rotate the threaded rod, so that the placement plate is driven to approach the support frame, when the proper position is reached, the starting oil cylinder is used for controlling the gear grinding box to descend, and meanwhile, the second motor is started to rotate the rotating roller and the grinding wheel, so that gear grinding work is carried out on the rack, and the first motor is continuously rotated during gear grinding, so that the rack is driven to continuously move, the contact area between the grinding wheel and the rack is further increased, and the device can reduce the roughness of the surface of the rack.

2. Compared with the existing rack gear grinding device, the rack gear grinding device provided by the utility model has the advantages that when the rack gear grinding device works, the fan is started to be matched with the air outlet pipe, and meanwhile, the exhaust pipe is connected with the air suction port, so that the device is convenient for collecting and discharging rack scraps in a concentrated manner, the working environment of the device when the device works is further improved, and the practicability of the device is improved.

3. Compared with the existing rack gear grinding device, the rack gear grinding device provided by the utility model has the advantages that the design is reasonable, the structure is compact, the stability of the main body during working is improved through the supporting legs, the stability of the device during clamping the rack is improved through the anti-slip pad, the practicability of the device is improved, and the device is worth popularizing greatly.

Drawings

FIG. 1 is an isometric view of a rack and pinion apparatus according to the present utility model;

FIG. 2 is a front cross-sectional view of a rack and pinion apparatus body according to the present utility model;

FIG. 3 is a front cross-sectional view of a gear grinding box of a rack gear grinding device according to the present utility model;

FIG. 4 is an isometric view of a second motor and grinding wheel of a rack and pinion grinding device according to the present utility model;

FIG. 5 is an isometric view of a rack and pinion apparatus placement plate according to the present utility model;

fig. 6 is a front sectional view of a rack gear grinding device placement plate according to the present utility model.

Legend description:

1. a main body; 2. a support frame; 3. an oil cylinder; 4. a gear grinding box; 5. a first motor; 6. a first threaded cavity; 7. a threaded rod; 8. a first threaded sleeve; 9. placing a plate; 10. rotating the handle; 11. a second threaded cavity; 12. a two-way threaded rod; 13. a second threaded sleeve; 14. a sliding groove; 15. a slide bar; 16. a sliding block; 17. a clamping plate; 18. an anti-slip pad; 19. a chute; 20. a slide block; 21. a blower; 22. an exhaust tube; 23. an air outlet pipe; 24. support legs; 25. a placement cavity; 26. a second motor; 27. a rotating lever; 28. a rotating roller; 29. grinding wheel; 30. a connecting rod; 31. an air suction port; 32. and (5) a filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a rack gear grinding device, including main part 1 and support frame 2, the upper portion fixedly connected with first motor 5 of main part 1 rear end outer wall, first screw cavity 6 has been seted up at the middle part of main part 1 upper surface, the output of first motor 5 runs through main part 1 to the inside of first screw cavity 6 and fixedly connected with threaded rod 7, the shaft threaded connection of threaded rod 7 has first thread bush 8, the upper surface fixedly connected with of first thread bush 8 places board 9, the middle part of placing board 9 front end outer wall is provided with rotation handle 10, the second screw cavity 11 has been seted up at the middle part of placing board 9 upper surface, the rear end of rotation handle 10 runs through the inside of placing board 9 to second screw cavity 11 and fixedly connected with threaded rod 12;

the middle part fixedly connected with hydro-cylinder 3 of support frame 2 upper surface, the output fixedly connected with grinding tooth case 4 of hydro-cylinder 3, the inside of grinding tooth case 4 one side is offered and is placed chamber 25, the middle part fixedly connected with second motor 26 of the interior bottom surface of chamber 25 is placed, the output of second motor 26 runs through the inside of placing chamber 25 to grinding tooth case 4 and fixedly connected with dwang 27, the middle part fixedly connected with fan 21 of the interior bottom surface of main part 1, the induced draft end fixedly connected with exhaust column 22 of fan 21, the air-out end fixedly connected with air-out pipe 23 of fan 21, the inlet scoop 31 has all been seted up to both sides in the middle part of main part 1 upper surface, the upper end of exhaust column 22 all is fixedly connected with the lower extreme of inlet scoop 31, the inner wall fixedly connected with filter screen 32 of inlet scoop 31, cooperate exhaust column 22 and air-out pipe 23 through fan 21, thereby the sweeps that the device produced during polishing are concentrated to collect;

when the rack is used, a worker firstly puts the rack to be milled into the placing plate 9, shakes the rotating handle 10 to be matched with the bidirectional threaded rod 12, so that the second threaded sleeve 13 is close to each other, the rack to be milled is clamped, the first motor 5 is started to rotate the threaded rod 7, the placing plate 9 is driven to be close to the supporting frame 2, when the rack reaches a proper position, the gear grinding box 4 is controlled to descend through the starting cylinder 3, the second motor 26 is started to rotate the rotating roller 28 and the grinding wheel 29, the rack is subjected to gear grinding, the first motor 5 continuously rotates during gear grinding, the rack is driven to continuously move, the contact area between the grinding wheel 29 and the rack is increased, and the roughness of the surface of the rack can be reduced.

The sliding grooves 19 are formed in the two sides of the lower surface of the placing plate 9, the sliding grooves 19 are formed in the two sides of the upper surface of the main body 1, the sliding grooves 20 slide in the sliding grooves 19, the placing plate 9 can move at the upper end of the main body 1 conveniently through the sliding grooves 20, the front end and the rear end of the rod body of the bidirectional threaded rod 12 are connected with the second threaded sleeve 13 in a threaded manner, the sliding grooves 14 are formed in the two sides of the upper surface of the placing plate 9, the sliding rods 15 are fixedly connected in the sliding grooves 14, the sliding blocks 16 are fixedly connected to the front end and the rear end of the rod body of the sliding rod 15 in a sliding manner, the sliding blocks 16 are matched through the sliding grooves 14, so that the device can clamp racks to be polished conveniently, the two sides of the lower end of the second threaded sleeve 13 are fixedly connected with the connecting rods 30, one side of the connecting rods 30 away from the second threaded sleeve 13 is fixedly connected with the outer wall of the lower end of the sliding blocks 16, through the fixed connection of connecting rod 30 with second thread bush 13 and sliding block 16 respectively to the removal of placing plate 9 is convenient for, the equal fixedly connected with grip block 17 of upper surface of sliding block 16 and second thread bush 13, the equal fixedly connected with slipmat 18 of one end that grip block 17 is close to two-way threaded rod 12 center department, thereby has improved the stability when the device centre gripping through slipmat 18, all fixedly connected with supporting leg 24 in four corners of main part 1 lower surface, through supporting leg 24, thereby improved the stability when the device main part 1 works, the middle part fixedly connected with rotor roll 28 of rotor roll 28 outer wall, a plurality of grinding wheels 29 of outer wall fixedly connected with of rotor roll 28, thereby be convenient for the device to carry out the work of polishing to the rack through grinding wheel 29.

Working principle: this rack grinding device is at first put the rack of waiting to grind the tooth in the inside of placing board 9 when using, rethread shakes rotation handle 10 cooperation two-way threaded rod 12, thereby make second thread bush 13 be close to each other, and then the rack of waiting to polish carries out centre gripping work, rethread starts first motor 5 and rotates threaded rod 7, thereby drive and place board 9 and be close to support frame 2, when reaching the suitable position, through the decline of start cylinder 3 control grinding case 4, start second motor 26 rotation live roller 28 and grinding wheel 29 simultaneously, thereby carry out the grinding work to the rack, and first motor 5 continuously rotates during the grinding, and then improve the area of contact of grinding wheel 29 and rack, when carrying out the rack grinding work, through start fan 21 cooperation tuber pipe 23, simultaneously through the connection of exhaust column 22 and inlet scoop 31, thereby be convenient for concentrate the collection with the sweeps of rack.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a rack gear grinding device, includes main part (1) and support frame (2), its characterized in that: the novel electric bicycle is characterized in that a first motor (5) is fixedly connected to the upper portion of the outer wall of the rear end of the main body (1), a first threaded cavity (6) is formed in the middle of the upper surface of the main body (1), the output end of the first motor (5) penetrates through the main body (1) to the inside of the first threaded cavity (6) and is fixedly connected with a threaded rod (7), a first thread bush (8) is connected with the rod body of the threaded rod (7) in a threaded manner, a placing plate (9) is fixedly connected to the upper surface of the first thread bush (8), a rotating handle (10) is arranged in the middle of the outer wall of the front end of the placing plate (9), a second threaded cavity (11) is formed in the middle of the upper surface of the placing plate (9), and the rear end of the rotating handle (10) penetrates through the inside of the placing plate (9) to the second threaded cavity (11) and is fixedly connected with a bidirectional threaded rod (12);

the middle part fixedly connected with hydro-cylinder (3) of support frame (2) upper surface, the output fixedly connected with grinding tooth case (4) of hydro-cylinder (3), inside of grinding tooth case (4) one side has been seted up and has been placed chamber (25), the middle part fixedly connected with second motor (26) of placing chamber (25) interior bottom surface, the output of second motor (26) runs through the inside of placing chamber (25) to grinding tooth case (4) and fixedly connected with dwang (27).

2. A rack gear grinding apparatus according to claim 1, wherein: the novel air suction device is characterized in that a fan (21) is fixedly connected to the middle of the inner bottom surface of the main body (1), an exhaust fan (22) is fixedly connected to the air suction end of the fan (21), an air outlet pipe (23) is fixedly connected to the air outlet end of the fan (21), air suction openings (31) are formed in two sides of the middle of the upper surface of the main body (1), the upper ends of the exhaust fan (22) are fixedly connected with the lower ends of the air suction openings (31), and a filter screen (32) is fixedly connected to the inner wall of the air suction openings (31).

3. A rack gear grinding apparatus according to claim 1, wherein: the sliding block (20) is fixedly connected to the two sides of the lower surface of the placement plate (9), the sliding grooves (19) are formed in the two sides of the upper surface of the main body (1), and the sliding blocks (20) slide in the sliding grooves (19).

4. A rack gear grinding apparatus according to claim 1, wherein: the front end and the rear end of the two-way threaded rod (12) are connected with a second threaded sleeve (13) in a threaded mode, sliding grooves (14) are formed in two sides of the upper surface of the placing plate (9), sliding rods (15) are fixedly connected to the inside of the sliding grooves (14), and sliding blocks (16) are connected to the front end and the rear end of the rod body of the sliding rods (15) in a sliding mode.

5. A rack gear grinding apparatus according to claim 4 wherein: the two sides of the lower end of the second thread bush (13) are fixedly connected with connecting rods (30), and one side, far away from the second thread bush (13), of each connecting rod (30) is fixedly connected with the outer wall of the lower end of the sliding block (16).

6. A rack gear grinding apparatus according to claim 4 wherein: the upper surfaces of the sliding block (16) and the second thread sleeve (13) are fixedly connected with clamping plates (17), and one ends, close to the centers of the bidirectional threaded rods (12), of the clamping plates (17) are fixedly connected with anti-slip pads (18).

7. A rack gear grinding apparatus according to claim 1, wherein: supporting legs (24) are fixedly connected to four corners of the lower surface of the main body (1).

8. A rack gear grinding apparatus according to claim 1, wherein: the middle part of the outer wall of the rotating rod (27) is fixedly connected with a rotating roller (28), and the outer wall of the rotating roller (28) is fixedly connected with a plurality of grinding wheels (29).