Cylindrical workpiece grinding and polishing device

Abstract

The cylindrical workpiece grinding and polishing device comprises a workbench, a multi-jaw chuck and a grinding mechanism used for grinding the outer surface of a cylindrical workpiece are arranged on the workbench, the multi-jaw chuck comprises a rotating disc, at least three clamping jaws are distributed on the top of the rotating disc at equal intervals around the center circumference of the rotating disc, and a positioning vertical rod is arranged on the top of each clamping jaw; the top of the clamping jaw is used for containing a cylindrical workpiece, the positioning vertical rod is located in the hollow portion of the cylindrical workpiece, and the clamping jaw can move in the radial direction relative to the center of the rotary disc, so that the positioning vertical rod abuts against the inner surface of the cylindrical workpiece, the cylindrical workpiece is fixed, and the outer surface of the workpiece is not damaged. And the positioning vertical rod is located in the hollow part of the cylindrical workpiece, so that the polishing of the outer surface of the cylindrical workpiece by the polishing mechanism is not hindered, and the external polishing work can be smoothly carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe equipment field, especially a kind of cylindrical workpiece polishing device. BACKGROUND

[0002] In industrial production, the outer surface of workpiece often needs to be polished to remove the burr of the outer surface of workpiece and achieve a certain smoothness and glossiness. This step is crucial to improve the overall quality and aesthetics of the workpiece, especially for the workpiece with arc surface.

[0003] Traditional cylindrical workpiece polishing method mostly adopts manual operation, which is not only inefficient, but also difficult to ensure the consistency and uniformity of polishing. With the development of industrial technology, some automatic polishing equipment has gradually emerged. For example, a single-column numerical control vertical lathe is disclosed in Chinese patent CN117583628 A, which includes an operating table, and a six-jaw chuck is arranged on the operating table. The six-jaw chuck is used to fix the workpiece during polishing. Usually, the workpiece is placed in the center of the six-jaw chuck, and the six clamping jaws move towards the center to clamp the outer surface of the workpiece. However, the outer surface of the workpiece in contact with the clamping jaws cannot be polished, and the workpiece in contact with the clamping jaws may scratch the outer surface of the workpiece, resulting in uneven and rough outer surface of the workpiece.

[0004] Therefore, the utility model provides a cylindrical workpiece polishing device to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model overcomes the above technical deficiencies and provides a cylindrical workpiece polishing device that does not scratch the outer surface of the workpiece when fixing the workpiece.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A cylindrical workpiece polishing device includes a workbench, a multi-jaw chuck, and a polishing mechanism for polishing the outer surface of the cylindrical workpiece. The multi-jaw chuck includes a turntable with at least three clamping jaws distributed equidistantly around the center of the top. Each clamping jaw has a positioning vertical rod on the top. The clamping jaw top is used to place the cylindrical workpiece, and the positioning vertical rod is located in the hollow of the cylindrical workpiece. The clamping jaw can move radially relative to the center of the turntable, so that the positioning vertical rod presses against the inner surface of the cylindrical workpiece, fixing the cylindrical workpiece.

[0008] Preferably, the clamping jaw top is provided with at least two mounting holes for detachable connection with the bottom of the positioning vertical rod.

[0009] Preferably, the positioning vertical rod is a round rod.

[0010] Preferably, the polishing mechanism comprises a housing, a first motor mounted on the housing, and a polishing wheel provided at an output end of the first motor.

[0011] Preferably, a vertical support is arranged on the workbench, and the housing is fixedly connected with the vertical support through a universal connecting assembly, and the universal connecting assembly is used for adjusting an angle position of the polishing mechanism.

[0012] A vertical support is arranged on the workbench, and the housing is fixedly connected with the vertical support through a universal connecting assembly, and the universal connecting assembly is used for adjusting an angle position of the polishing mechanism.

[0013] Preferably, the universal connecting assembly comprises a horizontal support mounted on the vertical support, a rotating shaft piece perpendicular to the horizontal support, a first fixing bolt, a second fixing bolt, and a clamp fixedly connected with the housing, the horizontal support is perpendicular to the vertical support, one end of the rotating shaft piece is rotatably connected with the horizontal support, the first fixing bolt is used for fixing the rotating shaft piece and preventing the rotating shaft piece from rotating around the horizontal support as a rotating shaft, and the clamp is linked with the other end of the rotating shaft piece through the second fixing bolt.

[0014] Preferably, the vertical support is provided with a mounting clamp, and a damping spring is arranged between the horizontal support and the mounting clamp.

[0015] Preferably, the multi-jaw chuck is a six-jaw chuck.

[0016] Compared with the prior art, the polishing mechanism has the advantages that:

[0017] 1. The radial movement of the clamping jaw drives the positioning vertical rod to abut against the inner surface of the cylindrical workpiece, so that the cylindrical workpiece is fixed, and the outer surface of the workpiece is not damaged. Moreover, the positioning vertical rod is located in the hollow of the cylindrical workpiece, and does not hinder the polishing of the outer surface of the cylindrical workpiece by the polishing mechanism, so that the external polishing work can be carried out smoothly and unobstructed.

[0018] 2. The universal connecting assembly fixedly connects the polishing mechanism with the vertical support, so that the angle position of the polishing mechanism can be conveniently adjusted, the polishing wheel is ensured to abut against the outer surface of the cylindrical workpiece, and the quality and uniformity of polishing are improved.

[0019] 3. The clamping jaw is provided with at least two mounting holes, and the positioning vertical rod can be selectively mounted on different mounting holes, so that the multi-jaw chuck is suitable for cylindrical workpieces with different inner diameters, and the versatility of the multi-jaw chuck is improved.

[0020] 4. The multi-jaw chuck is a six-jaw chuck, and each clamping jaw is provided with a positioning vertical rod, so that the positioning vertical rods can uniformly abut against the inner surface of the cylindrical workpiece, and deformation or damage of the workpiece caused by uneven force during clamping is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is the overall schematic diagram of the cylindrical workpiece polishing device of the utility model;

[0022] Fig. 2 is the operation schematic diagram of the cylindrical workpiece polishing device of the utility model;

[0023] The implementation, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0024] The features and other related features of the utility model will be further explained in detail through embodiments, so as to facilitate the understanding of the skilled in the art:

[0025] Referring to Figs. 1-2 , an embodiment of the cylindrical workpiece polishing device of the utility model is proposed:

[0026] A cylindrical workpiece polishing device, comprising a workbench 1, a plurality of claw chucks 2 are arranged on the workbench 1, and a polishing mechanism 3 for polishing the outer surface of a cylindrical workpiece 4 is arranged on the workbench 1, the plurality of claw chucks 2 comprise a rotating disc 21, at least three clamping jaws 22 are distributed at equal intervals around the center of the rotating disc 21 at the top of the rotating disc 21, a positioning vertical rod 23 is arranged at the top of each clamping jaw 22; the clamping jaw 22 is used for placing the cylindrical workpiece 4, the positioning vertical rod 23 is located in the hollow of the cylindrical workpiece 4, the clamping jaw 22 can move radially relative to the center of the rotating disc 21, so that the positioning vertical rod 23 is pressed against the inner surface of the cylindrical workpiece 4, the cylindrical workpiece 4 is fixed, and the outer surface of the workpiece is not damaged. Moreover, the positioning vertical rod 23 is located in the hollow of the cylindrical workpiece 4, and does not hinder the polishing mechanism 3 from polishing the outer surface of the cylindrical workpiece 4, so that the external polishing work can be carried out smoothly and unobstructed.

[0027] As Fig. 1 shown, at least two mounting holes 221 for detachable connection with the bottom of the positioning vertical rod 23 are arranged at the top of the clamping jaw 22. The positioning vertical rod 23 can be selectively mounted on different mounting holes 221, so as to adapt to cylindrical workpieces 4 with different inner diameters, and improve the versatility of the plurality of claw chucks 2.

[0028] As Fig. 2 shown, the positioning vertical rod 23 is pressed against the inner surface of the cylindrical workpiece 4 through the outer side surface thereof, the positioning vertical rod 23 is a round rod, the outer side surface thereof is a circular arc surface, and the scratching of the cylindrical workpiece 4 is reduced.

[0029] The polishing mechanism 3 comprises a shell 31 and a first motor mounted on the shell 31, and a polishing wheel 33 is arranged on the output end 32 of the first motor.

[0030] The workbench is provided with a vertical support 5, and the shell is fixedly connected with the vertical support 5 through a universal connecting assembly, which is used for adjusting the angle position of the polishing mechanism.

[0031] The universal connecting assembly comprises a transverse support 61 mounted on the vertical support 5, a rotating shaft 62 perpendicular to the transverse support 61, a first fixing bolt 63, a second fixing bolt 64 and a clamp 65 fixedly connected with the shell 31, wherein the transverse support 61 is perpendicular to the vertical support 5, one end of the rotating shaft 62 is rotatably connected with the transverse support 61, the first fixing bolt 63 is used for fixing the rotating shaft 62 so as to prevent the rotating shaft 62 from rotating around the transverse support 61, and the clamp 65 is linked with the other end of the rotating shaft 62 through the second fixing bolt 64. The rotating shaft 62 can rotate around the transverse support 61, and the clamp 65 can rotate around the second fixing bolt 64, so that the angle position of the polishing mechanism 3 can be flexibly adjusted, the polishing wheel 33 can be ensured to be attached to the outer surface of the cylindrical workpiece 4, and the polishing quality and uniformity are improved.

[0032] Specifically, one end of the rotating shaft 62 is a clamp 621 used for being connected with the transverse support 61, and the first fixing bolt 63 is used for clamping the clamp 621 to the transverse support 61. The surface of the clamp 65 is provided with a screw hole used for being connected with the second fixing bolt 64.

[0033] The vertical support 5 is provided with a mounting clamp 52, and a damping spring 51 is arranged between the transverse support 61 and the mounting clamp 52. When the polishing wheel 33 polishes the outer surface of the cylindrical workpiece 4, the spring can absorb the vibration generated in the polishing process, reduce the noise generation, and make the polishing mechanism 3 work more stably.

[0034] The multi-jaw chuck 2 is a six-jaw chuck. Each clamping jaw 22 is provided with a positioning vertical rod 23, which can uniformly press the inner surface of the cylindrical workpiece 4, so as to avoid deformation or damage of the workpiece due to uneven force in the clamping process.

[0035] Specifically, the workbench 1 is provided with a speed reduction motor 24 used for driving the rotating disc 21 to rotate. The six-jaw chuck is driven to open and close the clamping jaw 22 through a hydraulic, pneumatic, electric or electromagnetic mode.

[0036] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation or direct or indirect application in other related technical fields based on the content of the present application is also included in the patent protection range of the present application.

Claims

1. A device for polishing cylindrical workpieces, comprising a worktable (1), characterized in that, The workbench (1) is provided with a multi-jaw chuck (2) and a polishing mechanism (3) for polishing the outer surface of a cylindrical workpiece (4), the multi-jaw chuck (2) comprises a rotating disc (21), at least three clamping jaws (22) are distributed equidistantly on the top of the rotating disc (21) in a circumferential direction, and a positioning vertical rod (23) is arranged on the top of each clamping jaw (22); the clamping jaw (22) is used for placing the cylindrical workpiece (4) on the top thereof, the positioning vertical rod (23) is located in the hollow of the cylindrical workpiece (4), and the clamping jaw (22) is capable of moving radially relative to the center of the rotating disc (21) so that the positioning vertical rod (23) is pressed against the inner surface of the cylindrical workpiece (4) to fix the cylindrical workpiece (4).

2. The apparatus according to claim 1, wherein The top of the clamping jaw (22) is provided with at least two mounting holes (221) for detachably connecting with the bottom of the positioning vertical rod (23).

3. The device according to claim 1, wherein The positioning vertical rod (23) is a round rod.

4. The device according to claim 1, wherein The polishing mechanism (3) comprises a housing (31) and a first motor mounted on the housing (31), and a polishing wheel (33) is arranged on the output end (32) of the first motor.

5. The apparatus according to claim 4, wherein The workbench (1) is provided with a vertical support (5), the housing (31) is fixedly connected with the vertical support (5) through a universal connecting assembly, and the universal connecting assembly is used for adjusting the angle position of the polishing mechanism (3).

6. The apparatus according to claim 5, wherein The universal connecting assembly comprises a transverse support (61) mounted on the vertical support (5), a rotating shaft member (62) perpendicular to the transverse support (61), a first fixing bolt (63), a second fixing bolt (64) and a clamp (65) fixedly connected with the housing (31), the transverse support (61) is perpendicular to the vertical support (5), one end of the rotating shaft member (62) is rotatably connected with the transverse support (61), the first fixing bolt (63) is used for fixing the rotating shaft member (62) so that the rotating shaft member (62) cannot rotate around the transverse support (61) as a rotating shaft, and the clamp (65) is linked with the other end of the rotating shaft member (62) through the second fixing bolt (64).

7. The apparatus according to claim 6, wherein The vertical support (5) is provided with a mounting clamp (52), and a damping spring (51) is arranged between the transverse support (61) and the mounting clamp (52).

8. The apparatus of claim 1 wherein, The multi-jaw chuck (2) is a six-jaw chuck.

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