Rotatable precision grinding machine machining tool

By designing a clamping mechanism and a worm gear system, the problem of complex workpiece fixing devices on grinding machines was solved, enabling rapid workpiece clamping switching and rotation adjustment, thereby improving the processing efficiency and stability of the grinding machine.

CN223604139UActive Publication Date: 2025-11-28SHAANXI GUANYIPIN PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423006951.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-28
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing grinding machines have complex fixtures for fixing cylindrical and rectangular workpieces, which are inconvenient to operate and make it difficult to quickly change the clamping head.

Method used

The clamping mechanism includes components such as an inner slide, a moving push block, a control screw, a first motor, a top pin, and a wedge block. The motor controls the rapid clamping and switching of the workpiece, and the worm gear system enables the rotation of the processing table. The thrust bearing improves the system's stability.

Benefits of technology

It achieves precise workpiece position control and rapid clamping switching, reduces noise, protects the workpiece surface from damage, and improves processing efficiency and system stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rotatable precision grinder machining tool which comprises a base (1) and a machining table (7) located above the base (1), clamping mechanisms (9) are arranged on the top of the machining table (7) in a bilateral symmetry mode, and each clamping mechanism (9) comprises an inner sliding groove (10) and a movable push block (11) arranged in the inner sliding groove (10) in a sliding fit connection mode. A control screw (14) extending front and back is connected into the movable push block (11) in a threaded fit mode, a first motor (21) is fixedly arranged on the end face of the rear side of the clamping mechanism (9), the first motor (21) is connected with the rear side end of the control screw (14) in a power fit mode, and the front side end of the control screw (14) is connected with the front side wall of the inner sliding groove (10) in a rotating fit mode. According to the device, automatic clamping and releasing of the workpiece are achieved, the operation process is simplified, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to processing positioning table technical field, concretely is a rotatable precision grinding machine processing frock. BACKGROUND

[0002] Grinding machine is the machine tool that utilizes the abrasive tool to carry out grinding to workpiece surface. Most grinding machines are using high-speed rotating grinding wheel to grind, and a few are using oil stone, abrasive belt and other abrasive tools and free abrasive to process, such as honing machine, super-precision machine tool, abrasive belt grinding machine, grinding machine and polishing machine etc.

[0003] When workpiece is placed on the grinding machine for processing, it is generally fixed in the fixing device, and then the abrasive tool is used for polishing, wherein when the cylindrical workpiece or rectangular columnar workpiece is polished, the clamping head needs to be replaced in order to improve the stability of clamping, and the fixing device used in the prior art has complex structure and is inconvenient to operate. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a rotatable precision grinding machine processing frock for overcoming the above-mentioned defects in the prior art.

[0005] According to the rotatable precision grinding machine processing frock, the first clamping head and the second clamping head are arranged on the first top pin post and the second top pin post respectively, the first clamping head and the second clamping head can be replaced according to the shape of the workpiece, the clamping head can be replaced conveniently, the stability of clamping is improved, the utility model discloses a rotatable precision grinding machine processing frock, and the clamping head can be replaced according to the shape of the workpiece.

[0006] Further technical solutions, the processing platform and the base are connected through the rotation shaft rotation fit, the base is equipped with rotation control cavity, the rotation control cavity is equipped with worm gear, the worm gear is connected with the worm power engagement, the rear side of the worm is connected with the second motor power fit, the outer surface of the second motor is fixedly connected with the wall of the processing platform, the bottom end of the rotation shaft is fixedly connected with the worm gear, the top end of the rotation shaft is fixedly connected with the processing platform.

[0007] Further technical solutions, the processing platform and the base are also installed with thrust bearing, thrust bearing effectively supports axial load, can reduce the axial swing and vibration, thereby reducing the noise level during operation, improve the stability of the system.

[0008] Further technical solutions, the first motor and the second motor are high-precision positioning control stepping motor, thereby realizing accurate movement to the specified position.

[0009] The beneficial effects of the utility model are: the device ensures the accurate position control of workpiece in the machining process through the first motor and the second motor, the design of the tension spring can realize the automatic reset work of the arc clamping head driven by the first top pin column and the automatic reset work of the V-shaped clamping head driven by the second top pin column, which is convenient for realizing subsequent continuous machining use, the front and back movement of the first wedge block and the second wedge block realizes the quick switching control of the arc clamping head and the V-shaped clamping head, and the first wedge block and the second wedge block help to prevent the workpiece from being subjected to excessive impact force in the initial clamping stage, and protect the workpiece surface from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is an external structure schematic diagram of the rotatable precision grinding machine processing tool in the utility model;

[0011] Figure 2 It is an internal structure schematic diagram of the clamping mechanism in the utility model;

[0012] Figure 3 It is the distribution schematic diagram of the moving push block and the first wedge block and the second wedge block in the utility model;

[0013] Figure 4 It is the distribution schematic diagram of the first top pin column and the second top pin column in the utility model. CONCRETE IMPLEMENTATION

[0014] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0015] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0016] Referring to Figures 1-4 , according to the embodiment of the present application, a rotatable precision grinding machine processing tool, comprising a base 1 and a processing table 7 located above the base 1, the processing table 7 top is provided with clamping mechanism 9 which is symmetrical left and right, the clamping mechanism 9 includes inner sliding groove 10 and sliding fit connection is arranged in the inner sliding groove 10 mobile push block 11, the mobile push block 11 is screw threadedly connected with the front and rear extension control screw 14, the rear side end surface of the clamping mechanism 9 is fixedly provided with first motor 21, the first motor 21 and the rear side end power of the control screw 14 are connected, the front side end of the control screw 14 is rotationally connected with the front side wall of the inner sliding groove 10, the wall body of the inner sliding groove 10 close to the center of the processing table 7 one side is slidingly connected with the first top pin column 17, the lower side of the first top pin column 17 is provided with the second top pin column 22, the first top pin column 17 and the second top pin column 22 close to the side of the mobile push block 11 are top pressing fit connected with the arc-shaped part 18, the side of the first top pin column 17 away from the arc-shaped part 18 is fixedly provided with arc-shaped clamping head 19, the side of the second top pin column 22 away from the arc-shaped part 18 is fixedly provided with V-shaped clamping head 20, the side of the mobile push block 11 close to the center of the processing table 7 is provided with oppositely arranged first wedge block 12 and second wedge block 13, the first wedge block 12 and the second wedge block 13 are not in the same horizontal plane, the top of the first top pin column 17 and the bottom of the second top pin column 22 are both fixedly provided with fixed column 23, and the fixed column 23 and the wall body away from the center of the processing table 7 are fixedly provided with tension spring 24.

[0017] Beneficially or illustratively, the processing table 7 and the base 1 are connected through the rotation shaft 6, the base 1 is provided with a rotation control cavity 2, the rotation control cavity 2 is provided with a worm gear 3, the worm gear 3 is connected with a worm 4, the rear side of the worm 4 is connected with a second motor 5, the outer surface of the second motor 5 is fixedly connected with the wall of the processing table 7, the bottom end of the rotation shaft 6 is fixedly connected with the worm gear 3, and the top end of the rotation shaft 6 is fixedly connected with the processing table 7.

[0018] Beneficially or illustratively, the processing table 7 and the base 1 are connected through the rotation shaft 6, the base 1 is provided with a rotation control cavity 2, the rotation control cavity 2 is provided with a worm gear 3, the worm gear 3 is connected with a worm 4, the rear side of the worm 4 is connected with a second motor 5, the outer surface of the second motor 5 is fixedly connected with the wall of the processing table 7, the bottom end of the rotation shaft 6 is fixedly connected with the worm gear 3, and the top end of the rotation shaft 6 is fixedly connected with the processing table 7.

[0019] Beneficially or illustratively, the first motor 21 and the second motor 5 are both high-precision positioning control stepping motors.

[0020] The utility model uses when: the base 1 keeps horizontal installation, when needing to process the cylindrical workpiece, places the cylindrical workpiece between the clamping mechanism 9 of left and right sides, then rotates through the control first motor 21, makes control screw rod 14 drive mobile push piece 11 move towards the front side direction, first wedge 12 on the inclined surface part of this time to the arc 18 on first top pin post 17 carries out the push and crowd work, and then makes first top pin post 17 overcome the tension of upper side tension spring 24 and moves to the center one side of processing table 7, and then realizes by first top pin post 17 drive arc clamping head 19 to the cylindrical workpiece and carries out steady clamping, and at the same time, since mobile push piece 11 moves towards the front side direction, makes second wedge 13 gradually away from second top pin post 22, and then makes second top pin post 22 not be driven, when needing to process rectangular columnar workpiece, rotates reversely through the control first motor 21, makes control screw rod 14 drive mobile push piece 11 move towards the back side direction, second wedge 13 on the inclined surface part of this time to the arc 18 on second top pin post 22 carries out the push and crowd work, and then makes second top pin post 22 overcome the tension of lower side tension spring 24 and moves to the center one side of processing table 7, and then realizes by second top pin post 22 drive V-shaped clamping head 20 to the rectangular columnar workpiece and carries out steady clamping, and at the same time, since mobile push piece 11 moves towards the back side direction, makes first wedge 12 gradually away from first top pin post 17, and then makes first top pin post 17 not be driven, and then realizes the quick switching clamping work of cylindrical workpiece or rectangular columnar workpiece, need not repeatedly replace clamping head, in addition, rotates through the second motor 5 control worm 4, and then realizes the rotation work of worm 4 control worm gear 3 and the processing table 7 of rotation shaft 6 top, and then realizes the rotation adjustment work of different processing direction.

[0021] Those skilled in the art can clearly understand that, without departing from the overall spirit and concept of the present application, various modifications can be made to the above embodiments. All fall within the scope of the present application. The protection scheme of the present application is subject to the claims attached to the present application.

Claims

1. A rotatable precision grinding machine processing tool, comprising a base (1) and a processing table (7) above the base (1), characterized in that: The processing table (7) top left-right symmetry is equipped with clamping mechanism (9), the clamping mechanism (9) includes inner slide groove (10) and the mobile push block (11) that is arranged in the inner slide groove (10) is connected with sliding fit, the mobile push block (11) is screwed with front and back extension arrangement control screw rod (14) is connected, the first motor (21) is fixed on the rear end surface of the clamping mechanism (9), the first motor (21) and the rear side end power of the control screw rod (14) are connected, the front side end of the control screw rod (14) is rotatably connected with the front side wall of the inner slide groove (10), the inner slide groove (10) is slidably connected with the first top pin column (17) in the wall body near the center side of the processing table (7), the first top pin column (17) is equipped with the second top pin column (22) on the lower side, the first top pin column (17) and the second top pin column (22) are abutting pressure connection with the arc-shaped part (18) near the side of the mobile push block (11), the first top pin column (17) is fixed with the arc-shaped clamping head (19) on the side away from the arc-shaped part (18), the second top pin column (22) is fixed with the V-shaped clamping head (20) on the side away from the arc-shaped part (18), the mobile push block (11) is equipped with the first wedge block (12) and the second wedge block (13) that are oppositely arranged near the center side of the processing table (7), the first wedge block (12) and the second wedge block (13) are not in the same horizontal plane, the first top pin column (17) and the second top pin column (22) are both fixed with the fixed column (23) on the top and the bottom, and the fixed column (23) is fixed between the wall body away from the center side of the processing table (7) and the fixed column (23) and is fixed with the tension spring (24).

2. The rotatable precision grinding machine processing tooling apparatus of claim 1, wherein: The processing table (7) and the base (1) are rotatably connected through the rotating shaft (6), the base (1) is provided with a rotation control cavity (2), the rotation control cavity (2) is provided with a worm gear (3), the worm gear (3) is powerfully engaged with a worm (4), the rear side of the worm (4) is powerfully connected with a second motor (5), the outer surface of the second motor (5) is fixedly connected with the wall body of the processing table (7), the bottom end of the rotating shaft (6) is fixedly connected with the worm gear (3), and the top end of the rotating shaft (6) is fixedly connected with the processing table (7).

3. The rotatable precision grinding machine processing tooling of claim 2, wherein: The processing table (7) and the base (1) are also provided with a thrust bearing (8).

4. The rotatable precision grinding machine processing tooling apparatus of claim 3, wherein: The first motor (21) and the second motor (5) are both high-precision positioning control stepping motors.