Vacuum adsorption positioning tool for CNC machine tool

Abstract

The utility model discloses a vacuum adsorption positioning tool for a CNC machine tool, and relates to the technical field of CNC machine tools, the vacuum adsorption positioning tool comprises an adsorption plate, the upper surface of the adsorption plate is provided with a main adsorption groove and a plurality of auxiliary adsorption grooves, the lower surface of the adsorption plate is fixedly provided with an adsorption cavity plate, and the lower surface of the adsorption cavity plate is detachably provided with an air suction fan and a sealing cover plate; the lower surface of the adsorption cavity plate is provided with a through groove used in cooperation with the air suction fan and the sealing cover plate, the upper surface of the air suction fan is provided with a fixing ring in a communicated mode, and the fixing ring is connected with the adsorption cavity plate in a matched mode through bolts. The air suction fans and the sealing cover plate are detachably connected with the adsorption cavity plate, so that the air suction fans and the sealing cover plate can be conveniently detached for maintenance and cleaning, the air suction intensity can be selectively adjusted according to the number of the installed air suction fans, and the universality is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to CNC machine tool technical field, concretely is vacuum adsorption positioning frock for CNC machine tool. BACKGROUND

[0002] CNC machine tool, full name is computer numerical control machine tool, is a kind of automatic machine tool controlled using computer, its principle is that the processing program prepared is input to machine tool control system, sends instruction by control system, drives servo motor, makes machine tool each axle according to predetermined trajectory movement, in the machining process, machine tool is cut into semi-finished product or finished part by tool.

[0003] But prior art still has the following problems:

[0004] Firstly, the CNC machine tool of prior art is in machining some plane piece, such as water-cooled plate, water-cooled plate blank material is smooth surface metal plate, and it is easy to cause surface bruise by traditional cylinder compression, so it is usually set up vacuum chuck type positioning frock, and in adsorption positioning structure, it is inconvenient to install and dismount suction structure, which makes it need to consume a lot of time and manpower when equipment maintenance, cleaning or replacing suction component, increases the downtime of equipment, reduces production efficiency, and the usual adsorption equipment cannot install the number of suction structures required for different plate types.

[0005] Secondly, the adsorption equipment of CNC machine tool of prior art is mostly inconvenient to correct the adsorbed plate, in actual machining process, when plate is placed on adsorption equipment, it can appear position deviation or angle deviation due to various reasons, leading to that the size of machined workpiece does not meet the requirements, increases the scrap rate.

[0006] In view of the above problems, the inventor proposes vacuum adsorption positioning frock for CNC machine tool to solve the above problems. CONTENT OF UTILITY MODEL

[0007] In order to solve the problems that suction structure of adsorption equipment for CNC machine tool is inconvenient to install and dismount and is inconvenient to correct the adsorbed plate, the purpose of the utility model is to provide vacuum adsorption positioning frock for CNC machine tool.

[0008] In order to solve the above technical problems, the utility model discloses the following technical scheme: CNC machine tool vacuum adsorption positioning frock, including adsorption board, the upper surface of adsorption board is equipped with main adsorption groove and a plurality of auxiliary adsorption groove, the lower surface of adsorption board is fixed with adsorption cavity board, and the lower surface of adsorption cavity board is detachably equipped with suction fan and sealing cover plate, the lower surface of adsorption cavity board is equipped with the through groove that cooperates with the use of suction fan and sealing cover plate, the upper surface of suction fan is connected with fixed ring, and fixed ring is connected with adsorption cavity board through bolt cooperation, the lower surface of suction fan is connected with suction hopper, the sealing cover plate is clamped in the through groove, and the outer surface of sealing cover plate is fixed with the fixed block that is annular distribution, and the fixed block is connected with adsorption cavity board through bolt cooperation.

[0009] Preferably, one side of the adsorption plate is fixedly provided with a symmetrical supporting block, and one end of the supporting block is fixedly provided with an adjusting frame, a bidirectional screw rod is rotatably arranged in the adjusting frame, one end of the adjusting frame is fixedly provided with a motor, an output end of the motor penetrates through the adjusting frame and is fixedly connected with the bidirectional screw rod, a moving block is symmetrically screwed on the outer surface of the bidirectional screw rod, a correcting rod is fixedly arranged on the upper surface of the moving block, and the lower surface of the correcting rod is movably attached to the adsorption plate.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1、The utility model discloses a detachable connection mode of suction fan, sealing cover plate and adsorption cavity board, specifically, fixed ring and adsorption cavity board and fixed block and adsorption cavity board are connected through bolt cooperation, when the suction fan fails or needs to clean the inside of adsorption cavity board, it can be conveniently disassembled for maintenance and cleaning, and the suction intensity can be selectively adjusted according to the number of installed suction fans, so the universality is higher.

[0012] 2、The utility model discloses that the bidirectional screw rod is driven to rotate through the motor, drives the moving block and the correcting rod to move, realizes the correction of the position of workpiece, this function can be adjusted in time when the workpiece placing position is not accurate, avoids the processing error caused by the deviation of workpiece position, further improves the processing precision, reduces the scrap rate, improves production efficiency and product quality. ACCURACY OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0014] Fig. 1The whole structure schematic view of the utility model.

[0015] Fig. 2 The utility model is adsorption plate section and partial structure explosion map.

[0016] Fig. 3 The utility model is adjustment frame related structure explosion map.

[0017] In the drawing: 1, adsorption plate;11, main adsorption groove;12, auxiliary adsorption groove;13, support leg;14, bolt groove;2, adsorption cavity plate;21, through groove;22, air suction fan;23, air suction hopper;24, fixed ring;25, insert ring;26, sealing cover plate;27, fixed block;3, adjustment frame;31, two-way screw;32, motor;33, moving block;34, straightening rod;35, limit block;36, support block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0019] Embodiment: as Figs. 1-3As shown, the utility model provides a vacuum adsorption positioning tool for CNC machine tool, including adsorption board 1, this adsorption board 1 adopts high strength aluminium alloy material to be made, with good flatness and rigidity, can bear certain processing pressure and is not easy to deform, the both sides of adsorption board 1 are symmetrically equipped with support leg 13, and support leg 13 is connected with adsorption board 1 through bolt cooperation, the lower surface of support leg 13 is equipped with the bolt groove 14 of through -type, the upper surface of adsorption board 1 is equipped with main adsorption groove 11 and several auxiliary adsorption grooves 12, the lower surface of adsorption board 1 is fixedly equipped with adsorption cavity plate 2, and adsorption cavity plate 2 is fixedly connected with adsorption board 1 through welding process, to ensure the sealing property of connection, prevent air leakage, and the lower surface of adsorption cavity plate 2 is detachably equipped with suction fan 22 and sealing cover plate 26, the lower surface of adsorption cavity plate 2 is equipped with the through groove 21 of cooperation suction fan 22 and sealing cover plate 26 use, and the through groove 21 is equipped with several, and several through grooves 21 are rectangular distribution, and the upper surface of adsorption board 1 is equipped with main adsorption groove 11 and several auxiliary adsorption grooves 12, and the design of multiple adsorption grooves can make adsorption force more evenly distributed on the workpiece surface, improve the adsorption effect of workpiece, ensure that workpiece does not displace in the processing, to guarantee the processing accuracy, the both sides of adsorption board 1 are symmetrically equipped with support leg 13, and support leg 13 is connected with adsorption board 1 through bolt cooperation, the lower surface of support leg 13 is equipped with the bolt groove 14 of through -type, this design makes the installation of tool on CNC machine tool more stable, and the bolt connection mode is convenient for the disassembly and installation of tool, is convenient for subsequent maintenance and replacement, the through groove 21 of adsorption cavity plate 2 lower surface is rectangular distribution, and is cooperated with suction fan 22, can more effectively form negative pressure, enhance adsorption force, improve adsorption efficiency.

[0020] The upper surface of suction fan 22 is connected with fixed ring 24, fixed ring 24 adopts rubber material, has good sealing performance, the upper surface of fixed ring 24 is fixedly equipped with insert ring 25, and insert ring 25 is clamped in corresponding through groove 21, fixed ring 24 is connected with adsorption cavity plate 2 through bolt cooperation, the lower surface of suction fan 22 is connected with suction hopper 23, and suction hopper 23 is in the shape of a horn, can expand the suction range, improve the suction efficiency sealing cover plate 26 is clamped in through groove 21, and the outer surface of sealing cover plate 26 is fixedly equipped with annularly distributed fixed block 27, and fixed block 27 is connected with adsorption cavity plate 2 through bolt cooperation, suction fan 22 and sealing cover plate 26 adopt the detachable connection mode with adsorption cavity plate 2, specifically, fixed ring 24 and adsorption cavity plate 2 and fixed block 27 and adsorption cavity plate 2 are all connected through bolt cooperation, when suction fan 22 fails or needs to clean inside adsorption cavity plate 2, it can be conveniently disassembled to maintain and clean, and the suction intensity can be selectively adjusted according to the number of installed suction fan 22, and the universality is higher.

[0021] One side of the adsorption plate 1 is fixed with a support 36, and one end of the support 36 is fixed with an adjusting frame 3, a bidirectional screw rod 31 is rotatably arranged in the adjusting frame 3, one end of the adjusting frame 3 is fixed with a motor 32, the output end of the motor 32 penetrates through the adjusting frame 3 and is fixedly connected with the bidirectional screw rod 31, the outer surface of the bidirectional screw rod 31 is symmetrically screwed with a moving block 33, the moving block 33 is clamped in the adjusting frame 3, the upper surface of the moving block 33 is fixed with a correcting rod 34, and the lower surface of the correcting rod 34 is movably attached to the adsorption plate 1, and the lower surface of the correcting rod 34 is fixed with a limiting block 35, and the limiting block 35 is movably attached to the adsorption plate 1, when the workpiece is placed on the adsorption plate 1, if the position of the workpiece may be deviated, the motor 32 is started at this time, the output end of the motor 32 drives the bidirectional screw rod 31 to rotate in the adjusting frame 3, since the outer surface of the bidirectional screw rod 31 is symmetrically screwed with the moving block 33, and the moving block 33 is clamped in the adjusting frame 3, so the rotation of the bidirectional screw rod 31 will make the two moving blocks 33 move relatively or oppositely along the bidirectional screw rod 31, the moving block 33 is fixed with the correcting rod 34, the lower surface of the correcting rod 34 is movably attached to the adsorption plate 1, and the lower surface of the correcting rod 34 is also fixed with the limiting block 35, which is movably attached to the adsorption plate 1, with the movement of the moving block 33, the correcting rod 34 will correct the position of the workpiece, so that the workpiece is in the accurate machining position.

[0022] Working principle: when the workpiece needs to be positioned and fixed, start the suction fan 22, the suction fan 22 sucks air through the suction hopper 23, since the suction fan 22 is connected with the through groove 21 on the adsorption cavity plate 2, specifically through the fixed ring 24 and the plug ring 25 to realize the connection, the air is sucked out from the adsorption cavity plate 2, the adsorption cavity plate 2 is connected with the adsorption plate 1, the adsorption plate 1 is provided with a main adsorption groove 11 and a plurality of auxiliary adsorption grooves 12, with the air in the adsorption cavity plate 2 being sucked out, negative pressure is formed in the main adsorption groove 11 and the auxiliary adsorption groove 12, thereby generating adsorption force to tightly adsorb the workpiece placed on the adsorption plate 1, realizing the positioning of the workpiece on the CNC machine tool;

[0023] The suction fan 22 and the sealing cover plate 26 are connected with the adsorption cavity plate 2 in a detachable manner, specifically, the fixed ring 24 and the adsorption cavity plate 2 and the fixed block 27 and the adsorption cavity plate 2 are connected by bolt cooperation, when the suction fan 22 fails or the inside of the adsorption cavity plate 2 needs to be cleaned, it can be conveniently disassembled for maintenance and cleaning, and the suction intensity can be selectively adjusted according to the number of installed suction fans 22, and the universality is higher;

[0024] When the workpiece is placed on the adsorption plate 1, if the position of the workpiece can be deviated, at this time, the motor 32 is started, the output end of the motor 32 drives the bidirectional screw rod 31 to rotate in the adjusting frame 3, since the outer surface of the bidirectional screw rod 31 is symmetrically sleeved with the moving block 33 through threads, and the moving block 33 is clamped in the adjusting frame 3, so the rotation of the bidirectional screw rod 31 will make the two moving blocks 33 move relatively or oppositely along the bidirectional screw rod 31, the upper surface of the moving block 33 is fixed with the correction rod 34, the lower surface of the correction rod 34 is movably combined with the adsorption plate 1, and the lower surface of the correction rod 34 is also fixedly provided with the limiting block 35 which is also movably combined with the adsorption plate 1, with the movement of the moving block 33, the correction rod 34 will correct the position of the workpiece, so that the workpiece is in the accurate machining position.

[0025] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A vacuum adsorption positioning tool for CNC machine tools, comprising an adsorption plate (1), characterized in that: The lower surface of the adsorption plate (1) is fixedly provided with an adsorption cavity plate (2), and the lower surface of the adsorption cavity plate (2) is detachably provided with an air suction fan (22) and a sealing cover plate (26).

2. The vacuum chucking positioning tool for CNC machine tools as claimed in claim 1, wherein: The side of the adsorption plate (1) is fixedly and symmetrically provided with a support block (36), and one end of the support block (36) is fixedly provided with an adjusting frame (3).

3. The vacuum chucking positioning tool for CNC machine tools as claimed in claim 1, wherein: The upper surface of the adsorption plate (1) is provided with a main adsorption groove (11) and a plurality of auxiliary adsorption grooves (12).

4. The vacuum chucking positioning tool for CNC machine tools as claimed in claim 1, wherein: The two sides of the adsorption plate (1) are symmetrically provided with support legs (13), and the support legs (13) and the adsorption plate (1) are connected by bolts.

5. The vacuum chucking positioning tool for CNC machine tools as claimed in claim 1, wherein: The through bolt groove (14) is provided on the lower surface of the support leg (13).

6. The vacuum chucking positioning tool for CNC machine tools as claimed in claim 1, wherein: The upper surface of the fixed ring (24) is fixedly provided with an insertion ring (25), and the insertion ring (25) is clamped in the corresponding through groove (21).

7. The vacuum chucking positioning tool for CNC machine tools as claimed in claim 2, wherein: The moving block (33) is clamped in the adjusting frame (3).

8. The vacuum chucking positioning tool for CNC machine tools as claimed in claim 2, wherein: The lower surface of the correction rod (34) is fixedly provided with a limiting block (35), and the limiting block (35) is movably attached to the adsorption plate (1). The lower surface of the correction rod (34) is fixedly provided with a limiting block (35), and the limiting block (35) is movably attached to the adsorption plate (1).

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