Adjustable CNC vacuum workbench with positioning function

Abstract

The utility model relates to an adjustable CNC vacuum workbench with a positioning function, which relates to the technical field of machine tool processing, and comprises a workbench base, a workbench panel is arranged on the workbench base, a plurality of T-shaped grooves are formed in the workbench panel, the directions of the T-shaped grooves are vertically crossed, positioning T-shaped blocks are arranged on the T-shaped grooves in a matched manner, and the positioning T-shaped blocks are arranged on the workbench panel. A self-locking structure is arranged in the positioning T-shaped block, and a reference rod is arranged on the positioning T-shaped block. The machining position matched with the size of the workpiece is obtained by adjusting the position of the positioning T-shaped block, the reference rod acts on the side edge of the workpiece, the position of the reference rod is limited through starting of the self-locking structure, and therefore precise clamping of the workpiece can be achieved, in the process, the self-locking structure can guarantee that the position of the reference rod is stable, and the machining precision is improved. And meanwhile, through cooperation of a T-shaped groove and a T-shaped block, adjustment of the position of the reference rod can be achieved, and therefore the problem that a traditional middle pressing block interferes with workpiece machining can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool processing technical field, concretely is a kind of adjustable and having positioning function's CNC vacuum table. BACKGROUND

[0002] With the development of science and technology, the manufacturing capacity of various industries is further improved, in order to improve the production efficiency of products, reduce the production cost of products, the batch processing mode and process of parts are particularly important.

[0003] Part processing mainly includes several kinds, including: single-piece processing, small batch processing and mass production. Parts processing needs to be fixed by clamp and workbench, and stable and reliable clamp can improve the accuracy and effect of processing. Mass production of parts generally selects a special clamp, and due to the large number of processing, the cost is allocated, and the cost of single piece can be ignored. Single-piece processing and small batch processing need to replace the clamp when replacing other parts, and the cost will be greatly increased if a special clamp is designed. Generally, the clamping and fixing are carried out by pressing plate and bolt, but this method greatly increases the preparation time before processing, which has a serious impact on the control of production cost.

[0004] In order to solve the above technical problems, in the patent file with application No. 201820335940. X, a kind of general type CNC vacuum adsorption clamping workbench is disclosed, and it is specifically disclosed that the traditional workpiece adhesive or locking screw link can be saved by vacuum adsorption, to ensure the efficiency of clamping.

[0005] In the above technical scheme, the installation of workpiece is realized by the fixation of pressing block. In this way, the height of pressing block is higher than the height of workpiece, and the pressing block acts on the upper part of workpiece. Therefore, when processing the workpiece, the existence of pressing block is easy to cause interference to the workpiece. Utility model content

[0006] The utility model solves the problem that the height of pressing block is higher than the height of workpiece, and the pressing block is easy to interfere with the processing of workpiece.

[0007] The utility model can be realized by the following technical scheme: a kind of adjustable and having positioning function's CNC vacuum table, including workbench base, workbench base is provided with workbench panel for placing workpiece, workbench panel is provided with several T-shaped grooves, and T-shaped groove direction is perpendicular intersection, T-shaped groove is matched and is provided with positioning T-shaped block, positioning T-shaped block is provided with self-locking structure for limiting workbench panel, and positioning T-shaped block is provided with reference bar for limiting workpiece.

[0008] The further technical improvement of the utility model lies in: the self-locking mechanism comprises a T-shaped block frame body, a locking block for clamping cooperation of the workbench panel is arranged on the side of the T-shaped block frame body, and the locking block can be retracted in the T-shaped block frame body.

[0009] The further technical improvement of the utility model lies in: a tensioning block is arranged in the T-shaped block frame body in a sliding mode, and the longitudinal height of the tensioning block is adjustable, and the height of the tensioning block and the transverse position of the locking block are matched.

[0010] The further technical improvement of the utility model lies in: the locking block is in a flat "n" type, springs are fixed in the recessed part of the locking block, and the protruding part of the locking block is connected with the T-shaped block frame body in a sliding mode.

[0011] The further technical improvement of the utility model lies in: the locking block and the tensioning block are attached and matched, and the attachment surface of the locking block and the tensioning block is arranged in an inclined mode.

[0012] The further technical improvement of the utility model lies in: a screw is arranged on the tensioning block in a rotating mode, the screw penetrates through the T-shaped block frame body, and the screw is threadedly connected with the T-shaped block frame body.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1、the present application is through setting up several T-shaped grooves on the workbench panel, the position of the positioning T-shaped block can be adjusted, the machining position matched with the size of the workpiece can be obtained, then the present application controls the reference rod, the reference rod acts on the side of the workpiece, the self-locking structure is started to limit the position of the reference rod, so that the accurate clamping of the workpiece can be realized, in this process, the self-locking structure can ensure the position stability of the reference rod, and through the cooperation of the T-shaped groove and the T-shaped block, the position of the reference rod can be adjusted, so that the problem of interference caused by the traditional pressing block to the workpiece machining can be solved, and the accuracy of the position of the workpiece during machining can be ensured.

[0015] 2、the present application is through the thread connection of the screw and the T-shaped block frame body, the longitudinal height of the tensioning block can be controlled, so that the locking block can be compressed to both sides under the premise that the attachment surface of the tensioning block and the locking block is in an inclined state, at this time, the spring is subjected to pressure, and the protruding part of the locking block can extend out of the T-shaped block frame body, so that the T-shaped block frame body acts in the T-shaped groove, the position of the T-shaped block frame body is stabilized, so that the workpiece has certain stability during machining, and the machining accuracy of the workpiece is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to facilitate the understanding of those skilled in the art, the utility model will be further described in combination with the drawings.

[0017] Figure 1The workpiece clamping schematic view of the utility model;

[0018] Figure 2 The sealing strip position schematic view of the utility model;

[0019] Figure 3 The workbench base schematic view of the utility model;

[0020] Figure 4 The T-shaped block structure schematic view of the utility model;

[0021] Figure 5 The positioning T-shaped block structure sectional view of the utility model;

[0022] Figure 6 The positioning T-shaped block perspective view of the utility model;

[0023] Figure 7 The T-shaped block frame structure schematic view of the utility model;

[0024] Figure 8 The reference rod structure schematic view of the utility model;

[0025] Figure 9 The tensioning block structure schematic view of the utility model;

[0026] Figure 10 The locking block structure schematic view of the utility model;

[0027] Figure 11 The spring structure schematic view of the utility model.

[0028] In the drawing: 1, workbench base;2, workbench panel;3, positioning T-shaped block;301, T-shaped block frame;302, reference rod;303, tensioning block;304, locking block;305, spring;4, vacuum generator;5, sealing strip;6, demonstration workpiece. DETAILED DESCRIPTION

[0029] In order to further illustrate the technical means and effects adopted by the utility model for realizing the predetermined utility model purposes, the specific implementation manners, structures, features and effects according to the utility model are described in detail as follows in combination with the preferred embodiments and the drawings.

[0030] Please refer to Figures 1-11 As shown in the drawing, a CNC vacuum workbench capable of being adjusted and having positioning function includes workbench base 1, workbench panel 2 is fixed above workbench base 1, and a plurality of T-shaped grooves are formed in workbench panel 2, wherein the number of T-shaped grooves is relatively dense, and the directions are vertically crossed, so as to be convenient for being applied to positioning use of workpieces of different sizes.

[0031] A plurality of sets of positioning T-shaped blocks 3 are arranged in the interior of the T-shaped groove, and the positioning T-shaped blocks 3 are used to realize the clamping and positioning function of the demonstration workpiece 6. Meanwhile, a plurality of sets of vacuum adsorption holes are arranged on the workbench panel 2, and a vacuum generator 4 is fixed on the side of the workbench base 1, which is used to control the vacuum adsorption holes to have a continuous vacuum negative pressure environment, so as to adsorb the demonstration workpiece 6 on the workbench base 1, ensure the stability of the demonstration workpiece 6, and facilitate the machining of the demonstration workpiece 6. A sealing strip 5 is arranged on the workbench panel 2, which can increase the air tightness between the workbench panel 2 and the demonstration workpiece 6, and firmly adsorb the workpiece on the workbench panel 2.

[0032] As a further embodiment of the present application, the positioning T-shaped block 3 in the present application has a self-locking function to maintain the movement stability and clamping stability of the positioning T-shaped block 3.

[0033] Specifically, the positioning T-shaped block 3 includes a T-shaped block frame body 301, wherein a stepped sliding groove is formed on the T-shaped block frame body 301, and a reference rod 302 is arranged in the T-shaped block frame body 301 in a sliding manner, wherein a tension block 303 is fixed at the end of the reference rod 302, the tension block 303 is a regular trapezoidal column, and a screw is rotatably arranged on the tension block 303, the screw passes through the T-shaped block frame body 301, and the screw and the T-shaped block frame body 301 are screw-connected, which is used to control the height of the tension block 303 by rotating the screw, so that the tension block 303 can move longitudinally to the highest end. Meanwhile, a locking block 304 is arranged on the side of the sliding groove in a sliding manner, wherein the locking block 304 is in a horizontal "n" shape, the two protruding parts of the locking block 304 are horizontally and slidably connected with the T-shaped block frame body 301, and a spring 305 is fixed in the recessed part of the locking block 304, both ends of the spring 305 are fixedly installed in the recessed part of the locking block 304 and on the T-shaped block frame body 301, and in the present application, the locking block 304 cooperates with the tension block 303 to control the position movement of the locking block 304. When the locking block 304 moves out of the interior of the T-shaped block frame body 301, the locking block 304 will act on the gap of the workbench panel 2, so as to realize the fixed installation of the T-shaped block frame body 301.

[0034] Specifically, in use, first, the tightening block 303 is longitudinally slid in the sliding groove of the T-shaped block frame body 301 through the rotation of the screw, until the tightening block 303 is lowered to the lowest position, at this time, the locking block 304 is tightly attached to the tightening block 303 under the action of the spring 305, and the contact surfaces of the locking block 304 and the tightening block 303 are both inclined surfaces, at this time, the locking block 304 is received in the T-shaped block frame body 301, the T-shaped block frame body 301 is placed at the T-shaped groove of the workbench panel 2, until the position of the demonstration workpiece 6 is preliminarily limited by the reference rod 302, so as to be suitable for demonstration workpieces 6 of various sizes and various shapes; then, the tightening block 303 is longitudinally slid upward in the sliding groove of the T-shaped block frame body 301 through the rotation of the screw, at this time, the locking block 304 extends out of the T-shaped block frame body 301 due to the shape of the tightening block 303, until the locking block 304 acts at the T-shaped groove of the workbench panel 2, the position of the T-shaped block frame body 301 is limited, so as to limit the position of the reference rod 302, so that the reference rod 302 can accurately act on the demonstration workpiece 6, and the position of the demonstration workpiece 6 is accurately and stably limited.

[0035] In use, first, the demonstration workpiece 6 is placed on the workbench panel 2, then the position of the demonstration workpiece 6 is limited by the reference rod 302, that is, first, the tightening block 303 is longitudinally slid in the sliding groove of the T-shaped block frame body 301 through the rotation of the screw, until the tightening block 303 is lowered to the lowest position, at this time, the locking block 304 is tightly attached to the tightening block 303 under the action of the spring 305, and the contact surfaces of the locking block 304 and the tightening block 303 are both inclined surfaces, at this time, the locking block 304 is received in the T-shaped block frame body 301, the T-shaped block frame body 301 is placed at the T-shaped groove of the workbench panel 2, until the position of the demonstration workpiece 6 is preliminarily limited by the reference rod 302, so as to be suitable for demonstration workpieces 6 of various sizes and various shapes; then, the tightening block 303 is longitudinally slid upward in the sliding groove of the T-shaped block frame body 301 through the rotation of the screw, at this time, the locking block 304 extends out of the T-shaped block frame body 301 due to the shape of the tightening block 303, until the locking block 304 acts at the T-shaped groove of the workbench panel 2, the position of the T-shaped block frame body 301 is limited, so as to limit the position of the reference rod 302, so that the reference rod 302 can accurately act on the demonstration workpiece 6, and the position of the demonstration workpiece 6 is accurately and stably limited; then, the vacuum generator 4 is further fixed on the side edge of the workbench base 1, which is used for controlling the vacuum suction hole to have a sustained vacuum negative pressure environment, so as to adsorb the demonstration workpiece 6 on the workbench base 1, guarantee the stable function of the demonstration workpiece 6, facilitate the machining of the demonstration workpiece 6, and stabilize the position of the demonstration workpiece 6 through double-layer guarantee, so as to reduce the generation rate of defective products.

[0036] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content without departing from the technical solution of the present application to obtain equivalent embodiments. Any modification, equivalent change and modification made to the above embodiments based on the technical essence of the present application without departing from the technical solution of the present application still fall within the scope of the technical solution of the present application.

Claims

1. A CNC vacuum workbench that is adjustable and has a positioning function, comprising a workbench base (1), wherein a workbench panel (2) for placing a workpiece is provided on the workbench base (1), and characterized in that: The workbench panel (2) is provided with a plurality of T-slots, and the T-slots are perpendicularly intersected. The T-slots are matched with positioning T-blocks (3). The positioning T-blocks (3) are provided with a self-locking structure for limiting the position with the workbench panel (2). The positioning T-blocks (3) are provided with a reference rod (302) for limiting the position of a workpiece.

2. The adjustable CNC vacuum workbench with positioning function according to claim 1, characterized in that: The self-locking structure comprises a T-shaped block frame (301), a locking block (304) for engaging with a workbench panel (2) is provided on a side of the T-shaped block frame (301), and the locking block (304) can be retracted inside the T-shaped block frame (301).

3. The adjustable CNC vacuum workbench with positioning function according to claim 2, characterized in that: A tensioning block (303) is slidably provided inside the T-shaped block frame (301), and the longitudinal height of the tensioning block (303) is adjustable. The height of the tensioning block (303) matches the lateral position of the locking block (304).

4. The adjustable CNC vacuum workbench with positioning function according to claim 3, characterized in that: The locking block (304) is in a flat "n" shape, a spring (305) is fixed to the recessed portion of the locking block (304), and a protruding portion of the locking block (304) is slidably connected to the T-shaped block frame (301).

5. The adjustable CNC vacuum workbench with positioning function according to claim 4, characterized in that: The locking block (304) and the tensioning block (303) are attached and matched, and the fitting surfaces of the locking block (304) and the tensioning block (303) are arranged at an angle.

6. The adjustable CNC vacuum workbench with positioning function according to claim 3, characterized in that: The tensioning block (303) is rotatably provided with a screw, the screw passes through the T-shaped block frame (301), and the screw and the T-shaped block frame (301) are threadedly connected.

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