Cylindrical grinding machine clamp

By introducing a combination design of components such as a bidirectional threaded rod and a guide plate into the external cylindrical grinding machine fixture, the problem of workpiece tilting caused by uneven clamping is solved, achieving stable clamping and efficient machining.

CN223656776UActive Publication Date: 2025-12-12XIANGYANG ELICAT MASCH MFG CO LTD
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Patent Information

Application Number
CN202520037947.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-12
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing external cylindrical grinding machine fixtures have poor clamping performance during long-term use, causing workpiece tilting and requiring repeated adjustments, which affects processing results and efficiency.

Method used

The design employs a combination of components such as a bidirectional threaded rod, a slider, a fixed plate, and a clamping plate. By adjusting the bidirectional threaded rod, the slider is moved, changing the distance of the clamping plate. Combined with a guide plate and a limiting groove, the movement direction of the clamping plate is restricted, thus achieving stable clamping.

Benefits of technology

It improves the clamping stability and processing efficiency of the workpiece, avoids workpiece tilting, simplifies the adjustment process, and improves the processing effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223656776U_ABST
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Abstract

The utility model relates to the field of cylindrical grinding machines, in particular to a cylindrical grinding machine clamp which comprises a workbench, a clamping assembly is arranged on the workbench, a mounting plate is arranged on one side of the clamping assembly, a grinding device is arranged on the other side of the clamping assembly, a sliding plate is arranged on the mounting plate, and two clamping plates are arranged on one side of the sliding plate. By arranging the bidirectional threaded rod, the sliding blocks, the fixing plates, the clamping plates and the like, in the working process, the bidirectional threaded rod part, the sliding block part and the fixing plate part are matched with one another, the bidirectional threaded rod part is adjusted to rotate, the bidirectional threaded rod drives the two sliding blocks to move relatively, and therefore the distance between the fixing plates is changed; and the clamping plates on the two fixing plates are used for carrying out pre-tightening clamping and limiting on the workpiece, and then the clamping plates are matched with the clamping assembly, so that the workpiece is prevented from inclining, and the machining effect and the machining efficiency are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cylindrical grinding machine, concretely is a cylindrical grinding machine clamp. BACKGROUND

[0002] The cylindrical grinding machine is a kind of precision machine tool for processing the outer surface of cylindrical workpiece, and the cylindrical grinding machine can effectively improve the roundness, cylindricity and other shape accuracy of workpiece. Through high-precision grinding wheel and spindle system, and accurate feed and adjusting mechanism, the roundness error of workpiece can be controlled in very small range.

[0003] Through the retrieval, the Chinese patent with the publication number CN221696516U discloses a kind of cylindrical grinding machine clamps, by design chuck and non-slip block, using multiple sets of chuck clamping, more widely applicable, while Clamping stability is stronger, make fixed more stable, can clamping different size original piece, surface is provided with non-slip block, prevent original piece from sliding, prevent sliding when clamping, reduce the mistake caused by sliding.

[0004] But clamping assembly is usually centered clamping, gradually wears in long-term use process, if the clamping surface of claw wears unevenly, it will lead to that cylinder cannot be clamped evenly when clamping, thereby appearing inclination, if the surface roughness of cylindrical workpiece is too large, has protrusion or pit and other defects, also can influence the contact effect of claw and workpiece surface, cause inclination phenomenon to thereby need staff to repeatedly adjust, affect the effect and the efficiency of processing, therefore need to propose a new scheme to solve this problem. UTILITY MODEL CONTENT

[0005] In view of the above background art, the existing technology has poor clamping effect, and the staff needs to repeatedly adjust, which affects the effect and efficiency of processing.

[0006] The cylindrical grinding machine clamp disclosed by the utility model comprises a workbench, a clamping assembly is arranged on the workbench, one side of the clamping assembly is provided with a mounting plate, the other side of the clamping assembly is provided with a polisher, a sliding plate is arranged on the mounting plate, two clamping plates are arranged on one side of the sliding plate, an adjusting assembly is arranged between the two clamping plates and the sliding plate, and the centers of the two clamping plates and the center of the clamping assembly are arranged on the same axis.

[0007] Further, the adjusting assembly comprises a sliding block and a bidirectional threaded rod, two sliding blocks are arranged, the two sliding blocks are slidingly installed on the sliding plate, the bidirectional threaded rod is rotationally installed on the sliding plate, the two ends of the bidirectional threaded rod are respectively threadedly connected with the corresponding sliding blocks, and the two sliding blocks are elastically connected with the corresponding clamping plates through connecting pieces.

[0008] Further, the connecting piece comprises a fixed plate, the fixed plate is installed on the sliding block, four corners of the clamping plate are installed with limiting rods, the limiting rods are in sliding connection with the fixed plate, and springs are arranged on the limiting rods between the fixed plate and the clamping plate.

[0009] Further, both sides of the clamping plate are installed with guide plates, limiting grooves are arranged on the fixed plate in the corresponding positions of the guide plates, and the guide plates are in sliding arrangement with the limiting grooves.

[0010] Further, a one-way screw rod is rotatably installed on the mounting plate, the one-way screw rod is vertically arranged, and the one-way screw rod is in threaded connection with the sliding plate.

[0011] Further, the sliding plate is provided with a sliding groove, the sliding block is in sliding arrangement with the sliding groove, and the sliding groove is horizontally arranged.

[0012] Further, the clamping plate and the fixed plate are both arranged in a "U" shape, the fixed plate is fixedly connected with the sliding block through fixed bolts, and the sliding plate is arranged in an "H" shape.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a two-way threaded rod, a sliding block, a fixed plate, a clamping plate and other components are arranged, in the working process, the two-way threaded rod component, the sliding block component and the fixed plate component are matched with each other, the two-way threaded rod component is adjusted to rotate, the two-way threaded rod drives two sliding blocks to move relatively, thereby changing the distance between the fixed plates, the workpiece is pre-tightening clamped and limited through the clamping plate on the two fixed plates, then cooperates with the clamping assembly, thereby avoiding the inclination of the workpiece, and the processing effect and the processing efficiency are improved.

[0015] 2、The utility model discloses a guide plate, a limiting groove, a spring, a limiting rod and other components are arranged, in the working process, the limiting rod component and the spring component are matched with each other, thereby avoiding that the clamping force of two clamping plates on the workpiece is too large, the workpiece is inconvenient for the staff to move, and the guide plate component and the limiting groove are matched with each other, thereby limiting and guiding the moving direction of the clamping plate, thereby improving the stability when the clamping plate moves. DRAWINGS

[0016] The drawings explained here are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiment of the present application and the explanation thereof are used to explain the present application, and do not constitute improper limitation to the present application.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is a local structure schematic view of the utility model;

[0019] Figure 3 It is a fixed plate connection schematic view of the utility model;

[0020] Figure 4 It is a clamping plate structure schematic view of the utility model.

[0021] In the drawing: 1, workbench;2, three-jaw chuck;3, mounting plate;4, sliding plate;5, sliding groove;6, sliding block;7, two-way threaded rod;8, one-way screw;9, fixed plate;10, clamping plate;11, guide plate;12, limiting groove;13, limiting rod;14, spring;15, polisher;16, controller. DETAILED DESCRIPTION

[0022] The following will disclose multiple embodiments of the utility model with drawings, for the purpose of clear illustration, many details on the real object will be described together in the following description. However, it should be understood that these details on the real object should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these details on the real object are unnecessary. In addition, for the purpose of simplifying the drawing, some conventional structures and components will be drawn in a simple schematic way in the drawing.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 The utility model discloses an external cylindrical grinder clamp, including workbench 1, work is provided with clamping assembly, for clamping assembly, such as the three-jaw chuck 2 that the market is common, the specific structure and working principle are not described and limited in detail here, one side of clamping assembly is provided with mounting plate 3, the other side of clamping assembly is provided with polisher 15, mounting plate 3 is provided with sliding plate 4, one side of sliding plate 4 is provided with two clamping plates 10, adjusting assembly is arranged between two clamping plates 10 and sliding plate 4, the center of two clamping plates 10 and the center of clamping assembly are arranged on the same axis, and controller 16 is arranged on workbench 1.

[0024] When polishing workpiece, first, two clamping plates 10 are controlled to be close to each other by adjusting assembly, and workpiece is pre-tightened and clamped, then one end of workpiece is clamped by three-jaw chuck 2, a straight line is determined by two points, so as to avoid workpiece from being inclined, then the surface of workpiece can be processed by polisher 15.

[0025] As Figure 2As shown, the adjusting assembly comprises a slider 6, a bidirectional threaded rod 7, the slider 6 is provided with two, the two sliders 6 are slidingly installed on the sliding plate 4, the bidirectional threaded rod 7 is rotatably installed on the sliding plate 4, the two ends of the bidirectional threaded rod 7 are respectively in threaded connection with the corresponding sliders 6, the two sliders 6 are elastically connected with the corresponding clamping plates 10 through connecting pieces, the bidirectional threaded rod 7 is driven to rotate by a servo motor, the two sliders 6 are driven to move relative to each other by the bidirectional threaded rod 7, so that the relative positions of the two sliders 6 are adjusted, the clamping plates 10 are driven to move by the two sliders 6, when the two clamping plates 10 move close to each other, the workpiece is clamped and fixed, when the two clamping plates 10 move away from each other, the clamped workpiece is loosened.

[0026] As shown in Figure 3 , Figure 4 , the connecting piece comprises a fixed plate 9, the fixed plate 9 is installed on the slider 6, the four corners of the clamping plate 10 are all installed with a limiting rod 13, the limiting rod 13 is slidingly connected with the fixed plate 9, the limiting rod 13 between the fixed plate 9 and the clamping plate 10 is provided with a spring 14, when the clamping plate 10 clamps the workpiece, the clamping plate 10 is stopped by the resistance of the workpiece and compresses the spring 14, so that the clamping force on the work machine is avoided to be too large, and the worker is facilitated to adjust the position of the workpiece.

[0027] The two sides of the clamping plate 10 are both installed with a guide plate 11, the fixed plate 9 at the corresponding position of the guide plate 11 is provided with a limiting groove 12, the guide plate 11 is slidingly arranged with the limiting groove 12, in the working process, the limiting groove 12 and the guide plate 11 are matched with each other, so that the contact area between the clamping plate 10 and the fixed plate 9 is increased, and the movement direction of the guide plate 11 is limited by the limiting groove 12, so that the stability between the clamping plate 10 and the fixed plate 9 is improved.

[0028] As shown in Figure 2 , the mounting plate 3 is rotatably installed with a one-way screw rod 8, one end of the one-way screw rod 8 is provided with a servo motor, the one-way screw rod 8 is vertically arranged, the one-way screw rod 8 is in threaded connection with the sliding plate 4, the one-way screw rod 8 is driven to work by controlling the servo motor, the sliding plate 4 is driven to slide on the mounting plate 3 by the one-way screw rod 8, so that the height of the sliding plate 4 is adjusted.

[0029] The sliding plate 4 is provided with a sliding groove 5, the slider 6 is slidingly arranged with the sliding groove 5, the sliding groove 5 is horizontally arranged, the clamping plate 10 and the fixed plate 9 are both arranged as "U" shape, the fixed plate 9 is fixedly connected with the slider 6 through fixing bolts, and the sliding plate 4 is arranged as "H" shape.

[0030] The above merely describes the embodiments of the present application and is not intended to limit the present application. The present application can be changed and modified in various ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. An external cylindrical grinder fixture comprising a worktable (1), characterized in that: The workbench is provided with a clamping assembly, one side of the clamping assembly is provided with a mounting plate (3), the other side of the clamping assembly is provided with a sander (15), the mounting plate (3) is provided with a sliding plate (4), one side of the sliding plate (4) is provided with two clamping plates (10), the two clamping plates (10) and the sliding plate (4) are provided with an adjusting assembly, the centers of the two clamping plates (10) and the center of the clamping assembly are arranged on the same axis.

2. An external cylindrical grinder fixture according to claim 1, characterized in that: The adjusting assembly comprises two sliding blocks (6) and a bidirectional threaded rod (7), the two sliding blocks (6) are slidingly installed on the sliding plate (4), the bidirectional threaded rod (7) is rotatably installed on the sliding plate (4), the two ends of the bidirectional threaded rod (7) are respectively threadedly connected with the corresponding sliding blocks (6), and the two sliding blocks (6) are elastically connected with the corresponding clamping plates (10) through connecting pieces.

3. An external grinding machine jig according to claim 2, characterised in that: The connecting piece comprises a fixed plate (9), the fixed plate (9) is installed on the sliding block (6), the four corners of the clamping plate (10) are provided with limiting rods (13), the limiting rods (13) are slidingly connected with the fixed plate (9), and the limiting rods (13) between the fixed plate (9) and the clamping plate (10) are provided with springs (14).

4. An external grinding machine jig according to claim 3, characterised in that: Both sides of the clamping plate (10) are provided with guide plates (11), the fixed plate (9) at the corresponding position of the guide plate (11) is provided with a limiting groove (12), and the guide plate (11) and the limiting groove (12) are slidingly arranged.

5. An external cylindrical grinder fixture according to claim 1, characterized in that: The mounting plate (3) is rotatably provided with a one-way screw rod (8), the one-way screw rod (8) is vertically arranged, and the one-way screw rod (8) is threadedly connected with the sliding plate (4).

6. An external cylindrical grinder fixture according to claim 2, characterized in that: The sliding plate (4) is provided with a sliding groove (5), the sliding block (6) and the sliding groove (5) are slidingly arranged, and the sliding groove (5) is horizontally arranged.

7. An external grinder fixture according to claim 3, characterized in that: The clamping plate (10) and the fixed plate (9) are both arranged in a "U" shape, the fixed plate (9) is fixedly connected with the sliding block (6) through a fixed bolt, and the sliding plate (4) is arranged in an "H" shape.

Citation Information

Patent Citations

  • Cylindrical grinding machine clamp

    CN221696516U