Quick workpiece clamping and positioning structure of numerical control machine tool

Abstract

The utility model discloses a quick workpiece clamping and positioning structure of a numerical control machine tool, which belongs to the technical field of machine tool clamping tools, and comprises a base, the top of the base is fixedly connected with a machining box, the top of the inner wall of the machining box is provided with a machining cutter, and the bottom of the inner wall of the machining box is fixedly connected with an adjusting assembly. The problems that an existing quick workpiece clamping and positioning structure of the numerical control machine tool cannot adjust the position of a workpiece, in the actual machining process, due to the fact that an effective adjusting structure is lacked, after an operator fixes the workpiece, subtle deviation exists in the initial placement position, follow-up adjustment cannot be carried out, and machining efficiency is poor are solved. The problems that a tool path is not matched with the actual position of a workpiece due to the fact that the tool path is not matched with the actual position of the workpiece, a machined product is unqualified due to size out-of-tolerance, form and location tolerance and the like, the defective rate is increased, the production quality and efficiency of the product are seriously affected, and the practicability of the device is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe clamping frock technical field, especially in quick clamping and positioning structure of work piece of numerical control machine tool. BACKGROUND

[0002] Numerical control machine tool is the abbreviation of digital control machine tool, is a kind of automatic machine tool equipped with program control system, in the whole processing flow, work piece's clamping and positioning are vital links, accurate, efficient clamping positioning not only can greatly improve processing efficiency, also can significantly reduce the scrap rate.

[0003] The existing quick clamping structure mostly adopts simple clamping groove positioning, in the machining process, work piece is vulnerable to the influence of cutting force and produces slight displacement, cannot meet the demand of high-precision machining, in addition, for some complex shape, irregular size work piece, the existing clamping positioning structure has poor adaptability, it is difficult to realize stable clamping and accurate positioning;

[0004] The existing patent (announcement number: CN221474325U) discloses a kind of quick positioning clamping frock of numerical control machine tool, two movable blocks are driven to move mutually close in the exterior of two-way threaded rod by servo motor driving two-way threaded rod rotation, when the movable rod on the two connecting blocks and the outer side of work piece are attached, the movable rod that contacts with work piece moves towards the interior of mounting hole and compresses ejector spring, to facilitate the clamping and fixing of work piece of different shapes, to effectively solve the problem that work piece of different shapes cannot be clamped and fixed in the quick positioning clamping process of traditional numerical control machine tool.

[0005] For the above problems, the existing patent gives a solution, but it cannot adjust the position of work piece, in actual machining process, due to lack of effective adjusting structure, operator completes work piece fixation, often because of the existence of slight deviation in initial placement position, and cannot be adjusted subsequently, lead to tool path and work piece actual position mismatch, so that the product that is machined appears size out-of-tolerance, form tolerance and other unqualified problems, increase the rate of defective products, seriously affect the production quality and efficiency of product, reduce the practicability of the device.

[0006] Therefore, a kind of quick clamping and positioning structure of work piece of numerical control machine tool is presented. INVENTION CONTENTS

[0007] The utility model discloses a purpose lies in, provide a kind of numerical control machine tool workpiece quick clamping and positioning structure, can solve the position of existing numerical control machine tool workpiece quick clamping and positioning structure cannot be adjusted workpiece, in actual machining process, since lacking effective adjusting structure, operator completes workpiece fixation, often because initial placement position exists slight deviation, and cannot be adjusted subsequently, lead to tool path and workpiece actual position mismatch, so that the product that processes appears size out-of-tolerance, geometric tolerance and other unqualified problem, increase the rate of defective product, seriously affect the production quality and efficiency of product, reduce the practicability of the device problem.

[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a numerical control machine tool workpiece quick clamping and positioning structure, including base, the top of base is fixedly connected with processing box, and the top of processing box inner wall is provided with processing tool, the bottom of processing box inner wall is fixedly connected with adjusting assembly, and the top of adjusting assembly is fixedly connected with clamping assembly, the clamping assembly includes fixed plate, the inside rotationally connected of fixed plate has two-way screw rod, and the right side of two-way screw rod is fixedly connected with clamping motor.

[0009] The adjusting assembly includes flow guide block, the surface of flow guide block is movably connected with electric trolley, and the top of electric trolley is fixedly connected with fixed support, the inside rotationally connected of fixed support has rotating block, and the right side of rotating block is fixedly connected with rotating motor, the side of rotating block away from electric trolley is fixedly connected with support plate, and the top of support plate is fixedly connected with the bottom of fixed plate.

[0010] Preferably, the surface of the two-way screw rod is threadedly connected with a threaded sleeve on both sides, and the surface of the threaded sleeve is movably connected with a sliding block. The top of each sliding block is fixedly connected with a storage block, and the opposite side of each storage block is fixedly connected with a rubber pad.

[0011] Preferably, the opposite side of each storage block is provided with a connecting groove, and the inside of the connecting groove is fixedly connected with a rubber buffer block. The two rubber buffer blocks are fixedly connected with the two rubber pads, and the surface of the rubber pad is provided with anti-slip lines.

[0012] Preferably, the top of the fixed plate is provided with a sliding groove for cooperating with the sliding block, and the two-way screw rod is located inside the sliding groove.

[0013] Preferably, the front side and the back side of the top inner wall of the processing box are fixedly connected with an industrial camera.

[0014] Preferably, the right side of the processing box is fixedly connected with a data processor, and the data processor is electrically connected with the industrial camera.

[0015] Preferably, the front side of the data processor is fixedly connected with a controller, and the controller is electrically connected with the data processor and the adjusting assembly.

[0016] Preferably, the top of the front side of the base is fixedly connected with a connecting plate, and the top of the inside of the connecting plate is movably connected with a T-shaped moving block, the top of the T-shaped moving block is fixedly connected with a movable glass door, and the rear side of the movable glass door is in contact with the front side of the processing box.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、The clamping assembly is arranged, specific specification workpieces can be fixed, and the convenience of using the device is improved.

[0019] 2、The adjusting assembly is arranged, the position of the clamping assembly can be adjusted according to actual conditions, the angle of the clamping assembly can also be adjusted, flexible adjustment of workpieces is realized, the workpiece processing is facilitated, and the practicality of the device is improved. DRAWINGS

[0020] Figure 1 It is the whole structural drawing of the numerical control machine tool workpiece quick clamping and positioning structure of the utility model;

[0021] Figure 2 It is the front view of the numerical control machine tool workpiece quick clamping and positioning structure of the utility model;

[0022] Figure 3 It is the connecting schematic view of the base, the case and the controller of the utility model;

[0023] Figure 4 It is the structural schematic view of the clamping assembly of the utility model;

[0024] Figure 5 It is the structural schematic view of the adjusting assembly of the utility model.

[0025] In the drawing, 1, base; 2, processing box; 3, processing cutter; 4, adjusting assembly; 401, flow guide block; 402, electric trolley; 403, fixed support; 404, rotating block; 405, rotating motor; 406, support plate; 5, clamping assembly; 501, fixed plate; 502, bidirectional screw; 503, clamping motor; 504, threaded sleeve; 505, sliding block; 506, storage block; 507, rubber pad; 6, connecting groove; 7, rubber buffer block; 8, sliding groove; 9, industrial camera; 10, data processor; 11, controller; 12, connecting plate; 13, T-shaped moving block; 14, movable glass door. DETAILED DESCRIPTION

[0026] 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 of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical scheme:

[0028] A numerical control machine tool workpiece rapid clamping and positioning structure, including base 1, the top of base 1 is fixedly connected with processing box 2, and the top of processing box 2 inner wall is provided with processing tool 3, the bottom of processing box 2 inner wall is fixedly connected with adjusting assembly 4, and the top of adjusting assembly 4 is fixedly connected with clamping assembly 5, clamping assembly 5 includes fixed plate 501, the inside of fixed plate 501 is rotatably connected with two-way screw rod 502, and the right side of two-way screw rod 502 is fixedly connected with clamping motor 503;

[0029] Adjusting assembly 4 includes flow guide block 401, the surface of flow guide block 401 is movably connected with electric trolley 402, and the top of electric trolley 402 is fixedly connected with fixed support 403, the inside of fixed support 403 is rotatably connected with rotating block 404, and the right side of rotating block 404 is fixedly connected with rotating motor 405, the side, away from electric trolley 402 of rotating block 404, is fixedly connected with support plate 406, and the top of support plate 406 is fixedly connected with the bottom of fixed plate 501.

[0030] In the embodiment: through clamping motor 503 drive two-way screw rod 502 rotation, drive threaded sleeve 504 steady movement, synchronous make slider 505 move in fixed plate 501, and then can drive storage block 506 to the opposite side, make storage block 506 drive rubber pad 507 and the surface of workpiece contact, realize the fixation of specific specification workpiece, improve the convenience of use of clamping assembly 5, then under the action of electric trolley 402, make it drive support plate 406 steady movement, synchronous drive fixed plate 501 steady movement, can accurately adjust the position of workpiece according to actual conditions, ensure that workpiece is always in the appropriate processing position, reduce the defective product due to position deviation, improve the convenience of use of adjusting assembly 4, and under the action of rotating motor 405, can drive rotating block 404 steady rotation under the limitation of fixed support 403, synchronous drive support plate 406 and fixed plate 501 rotation, so that the angle of workpiece can be adjusted according to actual conditions, facilitate the processing of workpiece, improve the processing effect of product.

[0031] Specifically, as Figure 4As shown, the two sides of the surface of the bidirectional screw 502 are threadedly connected with threaded sleeves 504, and the surfaces of the threaded sleeves 504 are rotationally connected with sliding blocks 505, the top of each of the two sliding blocks 505 is fixedly connected with a storage block 506, and the opposite side of each of the two storage blocks 506 is fixedly connected with a rubber pad 507.

[0032] Specifically, as shown in Figure 4 The opposite side of each of the two storage blocks 506 is provided with a connecting groove 6, and the inside of the connecting groove 6 is fixedly connected with a rubber buffer block 7. The two rubber buffer blocks 7 are fixedly connected with the two rubber pads 507 respectively, and the surface of the rubber pad 507 is provided with anti-skid lines.

[0033] Specifically, as shown in Figure 4 The top of the fixed plate 501 is provided with a sliding groove 8 matched with the sliding block 505, and the bidirectional screw 502 is located inside the sliding groove 8.

[0034] In this embodiment: through the cooperation of the sliding block 505 and the sliding groove 8, the bidirectional screw 502 drives the threaded sleeve 504 to move, synchronously promotes the sliding block 505 to move stably under the limitation of the sliding groove 8, and then drives the storage block 506 to move to the opposite side and contact with the surface of the workpiece, realizes the clamping and fixing of the workpiece, and under the action of the rubber buffer block 7 and the rubber pad 507, can buffer the impact force generated in the clamping process, prevent the workpiece from being damaged due to clamping and fixing, and also can produce elastic deformation when being extruded, so that the surface is tightly attached to the surface of the workpiece, thereby making the workpiece connection more firm, and improving the convenience of use of the clamping assembly 5.

[0035] Specifically, as shown in Figure 2 , Figure 3 The front side and the rear side of the top of the inner wall of the processing box 2 are fixedly connected with industrial cameras 9.

[0036] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 The right side of the processing box 2 is fixedly connected with a data processor 10, and the data processor 10 is electrically connected with the industrial cameras 9.

[0037] In this embodiment: through the action of the industrial cameras 9, the condition of the workpiece can be observed and recorded in real time, and the data can be transmitted to the data processor 10, and under the action of the data processor 10, the data collected by the industrial cameras 9 can be processed in real time and transmitted to the controller 11, which can provide data support for subsequent workpiece position adjustment, ensure that the workpiece always maintains at a suitable processing angle, and ensure the processing efficiency and quality of the workpiece, and improve the convenience of use of the adjustment assembly 4.

[0038] Specifically, as shown in Figure 1 ,Figure 2 、 Figure 3 As shown in the figure, the front side of the data processor 10 is fixedly connected with the controller 11, and the controller 11 is electrically connected with the data processor 10 and the adjusting assembly 4.

[0039] Specifically, as shown in the figure, the top of the front side of the base 1 is fixedly connected with the connecting plate 12, the top of the inside of the connecting plate 12 is movably connected with the T-shaped moving block 13, the top of the T-shaped moving block 13 is fixedly connected with the movable glass door 14, and the rear side of the movable glass door 14 is in contact with the front side of the processing box 2. Figure 3

[0040] In this embodiment: through the cooperation of the movable glass door 14 and the T-shaped moving block 13, the movable glass door 14 moves smoothly in the connecting plate 12 under the constraint of the T-shaped moving block 13, so that the processing box 2 can be sealed by the movable glass door 14, which can not only observe the processing process of the workpiece, but also block the splashing of the debris generated in the processing process, maintain the neatness of the processing environment, protect the safety of the operator, and at the same time, under the action of the controller 11, the data fed back by the data processor 10 can be processed in real time, and the adjusting assembly 4 can be controlled to run according to the data algorithm, so that the position and angle of the workpiece can be adjusted in real time, so that the workpiece is in a suitable processing position, which facilitates the processing of the workpiece and improves the convenience of using the device.

[0041] ​Working principle: when using numerical control machine tool to work, first, the workpiece is placed on the top of the fixed plate 501, the clamping motor 503 is started, the bidirectional screw rod 502 is driven to rotate, the threaded sleeve 504 is moved stably, the slider 505 and the storage block 506 are moved to the opposite side synchronously, the storage block 506 is in contact with the surface of the workpiece, under the action of the rubber buffer block 7 and the rubber pad 507, the impact force generated in the clamping process can be buffered, the workpiece can be prevented from being damaged due to clamping and fixing, and the workpiece can be elastically deformed when being extruded, so that the surface is tightly attached to the surface of the workpiece, the workpiece of a specific specification is firmly fixed, after fixing, through the action of the industrial camera 9, the condition of the workpiece can be observed and recorded in real time, and the data can be transmitted to the data processor 10, the data processor 10 can process the data collected by the industrial camera 9 in real time, and transmit the data to the controller 11, the controller 11 controls the adjustment assembly 4 to operate according to the data algorithm, the electric trolley 402 is started, the supporting plate 406 can be moved stably, the clamping assembly 5 is moved synchronously, the position of the workpiece can be accurately adjusted according to the actual situation, the rotating motor 405 is started, the rotating block 404 can be stably rotated, the supporting plate 406 and the fixed plate 501 are rotated synchronously, and the angle of the workpiece is adjusted, so that the workpiece is always in the appropriate machining position and angle, the workpiece is convenient to process, and the quality of the workpiece processing is guaranteed, in the workpiece processing process, the operator can move the movable glass door 14 to seal the processing box 2, the workpiece processing process can be observed, and the debris generated in the processing process can be blocked, the processing environment is kept clean, and the safety of the operator is protected.

[0042] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A quick clamping and positioning structure for CNC machine tool workpieces, comprising a base (1), characterized in that: The base (1) is fixedly connected to the top of the processing box (2), and the processing box (2) is provided with a processing tool (3) on the top of the inner wall of the processing box (2). The bottom of the inner wall of the processing box (2) is fixedly connected to the adjustment component (4), and the top of the adjustment component (4) is fixedly connected to the clamping component (5). The clamping component (5) includes a fixing plate (501), and the inside of the fixing plate (501) is rotatably connected to a bidirectional screw (502). The right side of the bidirectional screw (502) is fixedly connected to a clamping motor (503). The adjustment component (4) includes a guide block (401), on the surface of which an electric trolley (402) is movably connected, and a fixed bracket (403) is fixedly connected to the top of the electric trolley (402). A rotating block (404) is rotatably connected inside the fixed bracket (403), and a rotating motor (405) is fixedly connected to the right side of the rotating block (404). A support plate (406) is fixedly connected to the side of the rotating block (404) away from the electric trolley (402), and the top of the support plate (406) is fixedly connected to the bottom of the fixed plate (501).

2. The CNC machine tool workpiece quick clamping and positioning structure according to claim 1, characterized in that: Both sides of the surface of the bidirectional screw (502) are threaded with threaded sleeves (504), and the surfaces of the threaded sleeves (504) are rotatably connected with sliders (505). The tops of the two sliders (505) are fixedly connected with storage blocks (506), and the opposite sides of the two storage blocks (506) are fixedly connected with rubber pads (507).

3. The CNC machine tool workpiece quick clamping and positioning structure according to claim 2, characterized in that: Each of the two storage blocks (506) has a connecting groove (6) on one side opposite to the other, and a rubber buffer block (7) is fixedly connected inside the connecting groove (6). The two rubber buffer blocks (7) are fixedly connected to the two rubber pads (507) respectively, and the surface of the rubber pads (507) is provided with anti-slip texture.

4. The CNC machine tool workpiece quick clamping and positioning structure according to claim 2, characterized in that: The top of the fixing plate (501) is provided with a groove (8) for use with the slider (505), and the bidirectional screw (502) is located inside the groove (8).

5. The CNC machine tool workpiece quick clamping and positioning structure according to claim 1, characterized in that: Industrial cameras (9) are fixedly connected to the front and rear sides of the top of the inner wall of the processing box (2).

6. The CNC machine tool workpiece quick clamping and positioning structure according to claim 5, characterized in that: A data processor (10) is fixedly connected to the right side of the processing box (2), and the data processor (10) is electrically connected to the industrial camera (9).

7. The CNC machine tool workpiece quick clamping and positioning structure according to claim 6, characterized in that: A controller (11) is fixedly connected to the front side of the data processor (10), and the controller (11) is electrically connected to the data processor (10) and the adjustment component (4).

8. The CNC machine tool workpiece quick clamping and positioning structure according to claim 1, characterized in that: A connecting plate (12) is fixedly connected to the top of the front side of the base (1), and a T-shaped moving block (13) is movably connected to the top inside the connecting plate (12). A movable glass door (14) is fixedly connected to the top of the T-shaped moving block (13), and the rear side of the movable glass door (14) contacts the front side of the processing box (2).

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