CN210281865U - Grinding mechanism - Google Patents

Abstract

The utility model discloses a grinding mechanism, which comprises a base, wherein a first platform is arranged on the base, and a first driving source, a first belt pulley, a second belt pulley, a synchronous belt, a first supporting seat and a second supporting seat are arranged on the platform; the first driving source is connected with a shaft core of the first belt pulley and drives the first belt pulley to rotate, a rotating shaft on the first supporting seat is connected with a second belt pulley, the synchronous belt is wound on the first belt pulley and the second belt pulley, and the outer diameter of the second belt pulley is smaller than that of the first belt pulley; a first fixing piece for clamping a workpiece is fixedly arranged at the shaft core of the second belt pulley, a second fixing piece for clamping the workpiece is arranged on the second supporting seat, the second fixing piece is connected with the rotating shaft of the second supporting seat, and the workpiece is placed between the first fixing piece and the second fixing piece; the base is provided with a grinding assembly for grinding workpieces, the grinding assembly comprises a rotating grinding wheel, and the rotating direction of the grinding wheel is opposite to that of the workpieces. The grinding machine can realize high-efficiency grinding of workpieces, and is high in working efficiency and high in precision.

Description

Grinding mechanism

Technical Field

The utility model relates to the technical field of machining, concretely relates to grinding mechanism.

Background

At present, the requirement on the surface precision of some cylindrical metal products is higher, burrs or unevenness can exist on the surface of the processed metal products, and at the moment, the surface of the processed metal products needs to be ground and shaped in order to improve the quality of finished products. Generally, an operator manually polishes the surface of a workpiece, which is time-consuming and labor-consuming and has extremely low working efficiency. For cylindrical workpieces, in order to obtain better roundness, ordinary manual grinding has high operation difficulty.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a grinding mechanism, its high-efficient grinding that can realize the work piece, work efficiency is high, and the precision is high.

In order to solve the technical problem, the utility model provides a grinding mechanism, which comprises a base, wherein a first platform is arranged on the base, and a first driving source, a first belt pulley, a second belt pulley, a synchronous belt, a first supporting seat and a second supporting seat are arranged on the platform; the first driving source is connected with a shaft core of the first belt pulley and drives the first belt pulley to rotate, a rotating shaft on the first supporting seat is connected with a second belt pulley, the synchronous belt is wound on the first belt pulley and the second belt pulley, and the outer diameter of the second belt pulley is smaller than that of the first belt pulley; a first fixing piece for clamping a workpiece is fixedly arranged at the shaft core of the second belt pulley, a second fixing piece for clamping the workpiece is arranged on the second supporting seat, the second fixing piece is connected with a rotating shaft of the second supporting seat, and the workpiece is placed between the first fixing piece and the second fixing piece; the grinding assembly is arranged on the base and used for grinding workpieces and comprises a rotating grinding wheel, and the rotating direction of the grinding wheel is opposite to that of the workpieces.

Preferably, the grinding assembly comprises a second driving source, a third driving source and a second platform, wherein the third driving source is fixedly arranged on the base and drives the second platform to move up and down, the second driving source is fixedly arranged on the second platform, and the second driving source drives the grinding wheel to rotate.

Preferably, a shell is arranged on the outer side of the grinding wheel, the shell and the second platform are fixedly arranged, and an opening is formed in the shell and faces the workpiece to be ground.

Preferably, a pipeline is wound outside the shell, an outlet of the pipeline is arranged towards the workpiece to be ground, and the pipeline is connected with a grinding fluid supply device.

Preferably, the base is further provided with a limiting part, the limiting part is located between the first fixing part and the second fixing part, the limiting part is horizontally provided with a limiting hole, and the workpiece penetrates through the limiting hole.

Preferably, the first fixing member and the second fixing member are both chucks.

Preferably, be provided with adjusting part between first platform and base, adjusting part includes guide rail, slider, screw rod, fixing base and guide bar, the guide rail is fixed to be set up at the base upside, the slider sets up and can slide along the guide rail with the guide rail cooperation, first platform is fixed to be set up the slider upside, the fixing base is fixed to be set up on the base, screw rod and fixing base screw-thread fit, the side of the first platform of tip butt of screw rod is in order to promote first platform removes along the guide rail, the guide bar is fixed to be set up on first platform, guide bar and guide rail parallel arrangement, the guiding hole has been seted up to the fixing base upper level, the guide bar is worn to establish in the guiding hole.

Preferably, a hand wheel is arranged at one end, far away from the first platform, of the screw rod.

The utility model has the advantages that:

1. the utility model discloses be provided with first belt pulley, second belt pulley and hold-in range, rotate through first belt pulley and drive the second belt pulley and rotate, later the rotation of second belt pulley drives the work piece and rotates, and the rotation direction and the work piece rotation opposite direction of grinding miller, so, can realize the high-efficient grinding of work piece, work efficiency is high, and the precision is high, and the circularity of work piece is better.

2. The utility model discloses in be provided with first mounting and second mounting, work piece both ends are fixed respectively to first mounting and second mounting, and the second mounting is connected with second supporting seat pivot, so, the work piece moves more stably at the grinding in-process.

3. The utility model discloses the external diameter of second belt pulley is less than the external diameter of first belt pulley, so, can realize the high-speed rotation of second belt pulley, realizes high-efficient grinding.

4. The utility model discloses compact structure, convenient and practical.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of the area a in fig. 1.

The reference numbers in the figures illustrate: 10. a base; 20. a first platform; 21. a first drive source; 22. a first pulley; 23. a second pulley; 24. a synchronous belt; 30. a first fixing member; 31. a first support base; 32. a second support seat; 33. a second fixing member; 34. a limiting member; 35. a workpiece; 40. a second platform; 41. a second drive source; 43. a housing; 44. a pipeline; 45. a grinding wheel; 50. a fixed seat; 51. a screw; 52. a hand wheel; 53. a guide bar; 54. a guide rail.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1-2, the present invention discloses a grinding mechanism, which comprises a base 10, and a first platform 20 is disposed on the base 10. The platform is provided with a first driving source 21, a first belt pulley 22, a second belt pulley 23, a synchronous belt 24, a first supporting seat 31 and a second supporting seat 32. The first driving source 21 is connected to the shaft core of the first pulley 22 and drives the first pulley 22 to rotate. The first drive source 21 is a servo motor.

The upper shaft of the first supporting seat 31 is connected with a second belt pulley 23, and the second belt pulley 23 can rotate relative to the first supporting seat 31. The synchronous belt 24 is wound on the first belt pulley 22 and the second belt pulley 23, and the outer diameter of the second belt pulley 23 is smaller than that of the first belt pulley 22. Thus, when the first pulley 22 rotates, the second pulley 23 is driven to rotate. And the outer diameter of the second pulley 23 is smaller than that of the first pulley 22, so that the rotation efficiency of the second synchronous wheel can be improved. A first fixing member 30 for clamping a workpiece 35 is fixedly arranged at the shaft core of the second belt pulley 23, a second fixing member 33 for clamping the workpiece 35 is arranged on the second supporting seat 32, the second fixing member 33 is connected with the second supporting seat 32 in a rotating shaft manner, and the workpiece 35 is arranged between the first fixing member 30 and the second fixing member 33. Thus, the high-speed rotation of the workpiece 35 can be realized by the high-speed rotation of the second pulley 23.

A grinding assembly for grinding the workpiece 35 is provided on the base 10, the grinding assembly including a rotating grinding wheel 45, the rotation direction of the grinding wheel 45 being opposite to the rotation direction of the workpiece 35. Grind work piece 35 through pivoted grinding miller 45, can realize that work piece 35 surface grinds fast, and because the rotation direction of grinding miller 45 is opposite with work piece 35's rotation direction, can realize work piece 35 and grind fast, the grinding efficiency is high, and can make work piece 35 surface have better smoothness degree, and can make work piece 35 surface have better circularity.

The grinding assembly comprises a second driving source 41, a third driving source and a second platform 40, wherein the third driving source is fixedly arranged on the base 10 and drives the second platform 40 to move up and down, the second driving source 41 is fixedly arranged on the second platform 40, and the second driving source 41 drives the grinding wheel 45 to rotate. The second driving source 41 may be a motor for driving the grinding wheel 45 to rotate. The third driving source may be an air cylinder, and the air cylinder drives the second platform 40 to move up and down, so as to realize the up and down movement of the grinding wheel 45, thereby conveniently adjusting the position of the grinding wheel 45, and enabling the grinding wheel 45 to approach or be far away from the workpiece 35.

A housing 43 is provided outside the grinding wheel 45, the housing 43 is fixedly provided with the second platform 40, and an opening is provided in the housing 43, the opening being provided toward the workpiece 35 to be ground. The housing 43 protects the worker and prevents the grinding wheel 45 from cutting the operator.

A pipe 44 is wound around the outside of the housing 43, an outlet of the pipe 44 is disposed toward the workpiece 35 to be polished, and the pipe 44 is connected to a polishing liquid supply device. The slurry supply is conventional and generally includes a pump that pumps slurry into the conduit 44 to facilitate the addition of slurry during the grinding process.

The base 10 is further provided with a limiting member 34, the limiting member 34 is located between the first fixing member 30 and the second fixing member 33, the limiting member 34 is horizontally provided with a limiting hole, and the workpiece 35 is inserted into the limiting hole. The limiting member 34 can improve the stability of the workpiece 35, and the workpiece 35 rotates in the limiting hole.

The first and second fixtures 30 and 33 are chucks. The chuck is a miniature three-jaw chuck, which is convenient for clamping the workpiece 35.

Be provided with adjusting part between first platform 20 and base 10, adjusting part includes guide rail 54, the slider, screw rod 51, fixing base 50 and guide bar 53, guide rail 54 is fixed to be set up at the base 10 upside, the slider sets up and can slide along guide rail 54 with the cooperation of guide rail 54, first platform 20 is fixed to be set up on the slider upside, fixing base 50 is fixed to be set up on base 10, screw rod 51 and fixing base 50 screw-thread fit, screw rod 51's tip butt first platform 20's side is in order to promote first platform 20 and remove along guide rail 54, guide bar 53 is fixed to be set up on first platform 20, guide bar 53 and guide rail 54 parallel arrangement, the guiding hole has been seted up to the fixing base 50 upper level, guide bar 53 wears to establish in the guiding hole. The end of the screw 51 remote from the first platform 20 is provided with a hand wheel 52. The adjustment assembly can adjust the position of the workpiece 35 during grinding such that the workpiece 35 moves in its axial direction. In this manner, the workpiece 35 can be sequentially polished.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (8)

1. A grinding mechanism is characterized by comprising a base, wherein a first platform is arranged on the base, and a first driving source, a first belt pulley, a second belt pulley, a synchronous belt, a first supporting seat and a second supporting seat are arranged on the platform; the first driving source is connected with a shaft core of the first belt pulley and drives the first belt pulley to rotate, a rotating shaft on the first supporting seat is connected with a second belt pulley, the synchronous belt is wound on the first belt pulley and the second belt pulley, and the outer diameter of the second belt pulley is smaller than that of the first belt pulley; a first fixing piece for clamping a workpiece is fixedly arranged at the shaft core of the second belt pulley, a second fixing piece for clamping the workpiece is arranged on the second supporting seat, the second fixing piece is connected with a rotating shaft of the second supporting seat, and the workpiece is placed between the first fixing piece and the second fixing piece; the grinding assembly is arranged on the base and used for grinding workpieces and comprises a rotating grinding wheel, and the rotating direction of the grinding wheel is opposite to that of the workpieces.

2. The grinding mechanism of claim 1, wherein the grinding assembly includes a second drive source, a third drive source and a second platform, the third drive source being fixedly disposed on the base and driving the second platform to move up and down, the second drive source being fixedly disposed on the second platform, the second drive source driving the grinding wheel to rotate.

3. The grinding mechanism of claim 2, wherein a housing is disposed outside the grinding wheel, the housing is fixedly disposed with the second platform, and an opening is disposed on the housing and faces the workpiece to be ground.

4. A grinding mechanism according to claim 3, wherein a pipe is wound around the outside of the housing, an outlet of the pipe being disposed toward the workpiece to be ground, the pipe being connected to the grinding fluid supply means.

5. The polishing mechanism as recited in claim 1, wherein the base further comprises a limiting member, the limiting member is disposed between the first fixing member and the second fixing member, the limiting member has a horizontal limiting hole, and the workpiece is inserted into the limiting hole.

6. The grinding mechanism of claim 1, wherein the first and second fixtures are chucks.

7. The grinding mechanism according to claim 1, wherein an adjusting assembly is disposed between the first platform and the base, the adjusting assembly includes a guide rail, a slider, a screw, a fixing seat, and a guide rod, the guide rail is fixedly disposed on the upper side of the base, the slider is disposed in cooperation with the guide rail and can slide along the guide rail, the first platform is fixedly disposed on the upper side of the slider, the fixing seat is fixedly disposed on the base, the screw is in threaded engagement with the fixing seat, an end of the screw abuts against a side surface of the first platform to push the first platform to move along the guide rail, the guide rod is fixedly disposed on the first platform, the guide rod is disposed in parallel with the guide rail, a guide hole is horizontally disposed on the fixing seat, and the guide rod is disposed in the guide hole in a penetrating manner.

8. The grinding mechanism of claim 7, wherein a hand wheel is disposed on an end of the screw remote from the first platform.

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