Cylindrical grinding machine positioning tool

Abstract

The utility model relates to the field of cylindrical grinding machines, in particular to a cylindrical grinding machine positioning tool which comprises a workbench, a first supporting assembly and a second supporting assembly are arranged on the workbench, the first supporting assembly comprises a supporting block, a lifting plate is arranged on the supporting block in a sliding mode, and a roller is installed at the upper end of the lifting plate; by arranging the driving rod, the worm, the screw rod, the worm gear and other parts, the driving rod is adjusted to rotate in the working process, the driving rod drives the worm rod to rotate along with the driving rod, the screw rod is driven to rotate through mutual cooperation between the worm rod and the worm gear, the screw rod drives the lifting plate to slide on the supporting block, and therefore the height of the roller is adjusted; the effects of sharing the dead weight of the workpiece and reducing bending deformation are achieved, through mutual cooperation of the arc-shaped plate component, the pressing plate component and the pressing roller, the upper portion of the workpiece is limited, the workpiece is prevented from shaking, the labor intensity of workers is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

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

[0002] The cylindrical grinding machine positioning frock is the key device for guaranteeing the accurate position and stable state of workpiece in the grinding process, and the rationality of the design directly influences the machining precision, production efficiency and product quality, along with the continuous improvement of the high-precision and high-efficiency machining requirement of manufacturing industry.

[0003] Through the retrieval, the Chinese patent with the publication number CN220994099U discloses a cylindrical grinding machine positioning frock, and its technical points are that the main motor shaft workpiece is placed on the upper side of the placing groove, the threaded shaft is driven to rotate through the motor, the moving block one and the moving block two are driven to move close to each other through the threaded shaft, the upper sides of the arc-shaped positioning frame one and the arc-shaped positioning frame two move close to each other, the mounting plate is driven to move downwards, the upper parts of the arc-shaped positioning frame one and the arc-shaped positioning frame two move downwards at the same time, the main motor shaft workpiece is positioned in three directions through the cooperation of the arc-shaped positioning frame one, the arc-shaped positioning frame two and the placing groove, the threaded shaft is controlled by the motor, and the threaded shaft does not rotate in the grinding process, so that the stability of the main motor shaft workpiece is ensured.

[0004] However, the existing frock is generally single in clamping mode, when machining a long workpiece, the two ends of the workpiece are usually clamped and fixed, so that the middle part of the workpiece is prone to bending, and the workpiece is prone to shaking in the workpiece machining, the workpiece needs to be repeatedly adjusted by the worker, the efficiency of machining is affected, and there is certain safety hidden danger, therefore, a new scheme needs to be proposed to solve the problem. UTILITY MODEL CONTENTS

[0005] In view of the above background technology, the existing technology has the problems that the middle part of the workpiece is prone to bending, the workpiece is prone to shaking in the workpiece machining, the efficiency of machining is affected, and there is certain safety hidden danger.

[0006] The cylindrical grinding machine positioning frock disclosed by the utility model comprises a workbench, support assembly one and support assembly two are arranged on the workbench, the support assembly one comprises a support block, a lifting plate is slidably arranged on the support block, a roller is installed at the upper end of the lifting plate, the support assembly one and the support assembly two are the same in structure, and a driving assembly is arranged between the two lifting plates.

[0007] Further, a sliding groove is arranged on the workbench, and the support block of the support assembly one is slidably arranged in the sliding groove.

[0008] Further, the driving assembly comprises a driving rod rotatably arranged on the workbench, a worm rotatably arranged on the driving rod, a worm wheel rotatably arranged on the support block and engaged with one side of the worm, and a screw rod rotatably arranged on the support block and threadedly connected with the lifting plate.

[0009] Further, an arc-shaped plate is arranged above the workbench, fixing blocks are arranged between the arc-shaped plate and the workbench at both ends, a limiting rod is arranged between the fixing blocks and the arc-shaped plate, a pressing plate is arranged below the arc-shaped plate, a compression roller is arranged on the pressing plate, and a hydraulic telescopic rod is arranged between the pressing plate and the arc-shaped plate.

[0010] Further, a plurality of fixing holes are arranged on the workbench, and fixing pins are arranged between the fixing blocks, the support blocks and the fixing holes.

[0011] Further, a limiting block is arranged on the support block and slidably connected with the lifting plate.

[0012] Further, the support assembly one and the support assembly two are respectively provided with a thimble and a fixed chuck at one end away from each other, and the thimble is coaxially arranged with the thimble.

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

[0014] 1、The utility model discloses a driving rod, a worm, a screw rod, a worm wheel and other components are arranged, in the working process, the driving rod component is adjusted to rotate, the driving rod drives the worm to rotate, and the screw rod is driven to rotate through the cooperation between the worm and the worm wheel, the lifting plate is driven to slide on the support block by the screw rod, thereby adjusting the height of the roller, realizing the effect of sharing the weight of the workpiece and reducing the bending deformation, through the cooperation between the arc-shaped plate component, the pressing plate component and the compression roller, the upper part of the workpiece is limited, the workpiece is prevented from shaking, the labor intensity of the staff is reduced, and the working efficiency is improved.

[0015] 2、The utility model discloses a limiting rod, a fixing block, a fixing pin and a fixing hole are arranged, in the working process, the fixing pin component and the fixing hole are cooperated, thereby the position of the fixing block and the support block can be adjusted, the position of the roller and the compression roller is indirectly adjusted, thereby different length workpieces are used, the application range of the device is increased, the limiting rod component and the fixing block are cooperated, thereby the arc-shaped plate and the fixing block are connected, the limiting rod is removed, thereby the arc-shaped plate and the fixing block can be separated. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

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

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

[0019] Figure 3 It is the utility model Figure 2 The enlarged schematic view of A place in the middle;

[0020] Figure 4 It is the utility model support block sectional view;

[0021] Figure 5 It is the utility model arc plate structure schematic view.

[0022] In the drawing: 1, workbench;2, support assembly one;201, support block;202, lifting plate;203, roller;204, limit block;3, support assembly two;4, sliding slot;5, drive rod;6, worm;7, worm wheel;8, screw;9, thimble;10, fixed hole;11, fixed bolt;12, arc plate;13, pressing plate;14, compression roller;15, limit rod;16, fixed block. DETAILED DESCRIPTION

[0023] The following will disclose multiple embodiments of the utility model with drawings, for the purpose of clear description, many details on the real object will be described 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.

[0024] Please refer to Figure 1 、 Figure 4 The outer circle grinding machine positioning tool of the utility model, including workbench 1, workbench 1 is provided with support assembly one 2 and support assembly two 3, support assembly one 2 includes support block 201, lifting plate 202 is slidably arranged on support block 201, roller 203 is installed on the upper end of lifting plate 202, support assembly one 2 and support assembly two 3 are the same structure, driving assembly is arranged between two lifting plates 202, support assembly one 2 and support assembly two 3 are respectively provided with thimble 9 and fixed chuck at the end away from each other, thimble 9 is coaxially arranged with thimble 9.

[0025] When processing a long workpiece, first, one end of the workpiece is clamped and pre-tightened by the fixed chuck, and the other end is stopped by the ejector pin 9, then the lifting plate 202 is controlled to slide on the support block 201 by the driving assembly, the lifting plate 202 drives the roller 203 to move, and the workpiece is supported by the roller 203, then the workpiece is clamped again by driving the fixed chuck, and the support of the workpiece by the roller 203 is maintained, so as to avoid the bending of the workpiece

[0026] As shown in Figure 1 , Figure 2 , Figure 4 , the workbench 1 is provided with a sliding groove 4, and the support block 201 of the support assembly 2 is slidingly arranged in the sliding groove 4. The position of the support block 201 can be adjusted through the sliding groove 4, so as to change the support position of the workpiece by the roller 203, so as to be applicable to workpieces of different lengths, and increase the application range of the device.

[0027] As shown in Figure 2 , Figure 3 , the driving assembly includes a driving rod 5, the driving rod 5 is rotatably installed on the workbench 1, a worm 6 is slidingly installed on the driving rod 5, the worm 6 is rotatably installed on the support block 201, one side of the worm 6 is engaged with a worm gear 7, the worm gear 7 is installed on a screw rod 8, the screw rod 8 is rotatably installed on the support block 201, and the screw rod 8 is in threaded connection with the lifting plate 202. The driving rod 5 is driven to rotate by a servo motor, the driving rod 5 drives the worm 6 to rotate, the worm 6 drives the worm gear 7 to rotate, the worm gear 7 drives the screw rod 8 to rotate, and the screw rod 8 drives the lifting plate 202 to move on the support block 201. The rotation direction of the servo motor is controlled, so as to control the lifting plate 202 to rise or fall. When the support block 201 reaches the preset height, the servo motor is stopped.

[0028] As shown in Figure 1 , Figure 5 , an arc-shaped plate 12 is arranged above the workbench 1, fixed blocks 16 are arranged between the arc-shaped plate 12 and the workbench 1 at both ends of the arc-shaped plate 12, and a limiting rod 15 is arranged between the fixed blocks 16 and the arc-shaped plate 12. A pressing plate 13 is arranged below the arc-shaped plate 12, a pressing roller 14 is installed on the pressing plate 13, and a hydraulic telescopic rod is arranged between the pressing plate 13 and the arc-shaped plate 12. After the workpiece is supported by the roller 203, the staff controls the hydraulic telescopic rod to work, the hydraulic telescopic rod drives the pressing plate 13 to move, the pressing plate 13 drives the pressing roller 14 to move, and the pressing roller 14 is pressed against the workpiece, so as to improve the stability of the workpiece and prevent the workpiece from shaking during processing.

[0029] The workbench 1 is provided with a plurality of fixing holes 10, and the fixing block 16 and the supporting block 201 are provided with fixing pins 11 between the fixing holes 10, the position of the fixing block 16 and the supporting block 201 is limited through the cooperation between the fixing holes 10 and the fixing pins 11, and the position of the fixing block 16 and the supporting block 201 is adjusted through the cooperation between the fixing pins 11 on the fixing block 16 and the supporting block 201 and different fixing holes 10.

[0030] As shown in Figure 1 , Figure 4 The supporting block 201 is provided with a limiting block 204, and the limiting block 204 is in sliding connection with the lifting plate 202; the position of the lifting plate 202 is limited through the limiting block 204 during the movement of the lifting plate 202, so that the stability of the lifting plate 202 during the movement is improved.

[0031] The above merely describes the implementation manners of the present application and is not used 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. A positioning fixture for an external cylindrical grinding machine, comprising a worktable (1), characterized in that: The workbench (1) is provided with a support component one (2) and a support component two (3). The support component one (2) includes a support block (201). A lifting plate (202) is slidably arranged on the support block (201). A roller (203) is installed on the upper end of the lifting plate (202). The support component one (2) and the support component two (3) have the same structure. A drive component is provided between the two lifting plates (202).

2. The positioning fixture for an external cylindrical grinding machine according to claim 1, characterized in that: The workbench (1) is provided with a slide groove (4), and the support block (201) of the support assembly (2) is slidably disposed with the slide groove (4).

3. The positioning fixture for an external cylindrical grinding machine according to claim 1, characterized in that: The drive assembly includes a drive rod (5) which is rotatably mounted on the worktable (1). A worm gear (6) is slidably mounted on the drive rod (5). The worm gear (6) is rotatably mounted on the support block (201). A worm wheel (7) is engaged on one side of the worm gear (6). A screw (8) is mounted on the worm wheel (7). The screw (8) is rotatably mounted on the support block (201). The screw (8) is threadedly connected to the lifting plate (202).

4. The positioning fixture for an external cylindrical grinding machine according to claim 1, characterized in that: An arc-shaped plate (12) is provided above the workbench (1). Fixed blocks (16) are provided between the two ends of the arc-shaped plate (12) and the workbench (1). The fixed blocks (16) and the arc-shaped plate (12) are connected by a limiting rod (15). A pressure plate (13) is provided below the arc-shaped plate (12). A pressure roller (14) is installed on the pressure plate (13). A hydraulic telescopic rod is provided between the pressure plate (13) and the arc-shaped plate (12).

5. A positioning fixture for an external cylindrical grinding machine according to claim 4, characterized in that: The workbench (1) is provided with a plurality of fixing holes (10), and fixing bolts (11) are provided between the fixing block (16) and the support block (201) and the fixing holes (10).

6. A positioning fixture for an external cylindrical grinding machine according to claim 1, characterized in that: The support block (201) is provided with a limit block (204), and the limit block (204) is slidably connected to the lifting plate (202).

7. A positioning fixture for an external cylindrical grinding machine according to claim 1, characterized in that: The support component 1 (2) and the support component 2 (3) are respectively provided with a pin (9) and a fixed chuck at their ends, and the pin (9) and the pin (9) are coaxially arranged.

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