Workpiece clamping and stripping jig of numerical control machine tool

Abstract

The workpiece clamping and stripping jig comprises a machine tool body, a main horizontal fixing plate is fixed to two guide rails fixed to the top face of the machine tool body, and the left portion of the main horizontal fixing plate extends leftwards out of the left side of the machine tool body; upper guide rails extending leftwards and rightwards are fixed to the front portion and the rear portion of the top face of the main horizontal fixing plate, a rodless air cylinder extending leftwards and rightwards is fixed to the position, between the two upper guide rails, of the top face of the main horizontal fixing plate, a connecting block is fixed to the top face of an upper moving block of the rodless air cylinder, and a horizontal containing plate is fixed to the top face of the connecting block; a workpiece to be machined can be placed on the horizontal placing plate, can be automatically clamped and fixed and can be automatically moved to the machine tool body for machining, after machining is completed, the workpiece is automatically moved out of the machine tool body, a pressing plate of the clamping oil cylinder is automatically loosened, discharging can be achieved, the automation degree is high, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing equipment technical field more specifically, and more specifically relates to a numerical control machine tool workpiece clamping and stripping fixture. BACKGROUND

[0002] The existing numerical control machine tool, such as numerical control milling machine, when processing, all are fixedly connected with the connecting plate on the main machine tool of milling machine, a plurality of compression oil cylinders are fixed on the connecting plate, the workpiece to be processed is placed on the connecting plate, and the workpiece is fixedly pressed by the compression block of all compression oil cylinders, then, the workpiece can be processed by milling cutter, after processing, the workpiece is taken out manually, and all operations are on the main machine tool, so the effect is poor and the efficiency is low. UTILITY MODEL CONTENTS

[0003] The utility model discloses a numerical control machine tool workpiece clamping and stripping fixture, it can place the workpiece to be processed on the horizontal placement plate, can be automatically clamped and fixed and automatically moved to the machine tool main part and processes, after completion, automatically removes from the machine tool main part, and the compression plate of clamping oil cylinder is automatically loosened, and then the workpiece can be unloaded, which is high in degree of automation and good in use effect.

[0004] The utility model discloses a numerical control machine tool workpiece clamping and stripping fixture, it can place the workpiece to be processed on the horizontal placement plate, can be automatically clamped and fixed and automatically moved to the machine tool main part and processes, after completion, automatically removes from the machine tool main part, and the compression plate of clamping oil cylinder is automatically loosened, and then the workpiece can be unloaded, which is high in degree of automation and good in use effect.

[0005] A numerical control machine tool workpiece clamping and stripping fixture, including machine tool main body, the top surface fixed two guide rails of machine tool main body are fixed with main horizontal fixed plate, and the left part of main horizontal fixed plate extends out the left side of machine tool main body to the left;

[0006] The top surface of main horizontal fixed plate is fixed with the upper guide rail of left and right extension in the front and rear, and the top surface of main horizontal fixed plate between two upper guide rails is fixed with the upper guide rail of left and right extension, and the top surface of the upper guide rail of left and right extension is fixed with the upper guide rail of left and right extension;

[0007] The top surface of main horizontal fixed plate at the right end of two upper guide rails is fixed with vertical baffle, and the right side wall of right side slide block is close to or presses on the left side wall of vertical baffle;

[0008] The top surface of horizontal placement plate is fixed with a plurality of clamping oil cylinders in the left part and the right part, and the workpiece to be processed is pressed on the top surface of horizontal placement plate, and the compression plate of all clamping oil cylinders is pressed on the top surface of the edge of workpiece.

[0009] The left side wall of vertical baffle is fixed with elastic sealing plate, and the right side wall of horizontal placement plate and the right end surface of two upper guide rails are pressed on the elastic sealing plate.

[0010] The horizontally placed plate has downwardly extending side baffles fixed on both the front and rear side walls, with the right side wall of the side baffle pressing against the left side wall of the elastic sealing plate.

[0011] A brush layer is fixed on the bottom inner wall of the side baffle, and the brush layer is pressed against the front or rear side wall of the horizontally placed plate.

[0012] Rubber sheets are fixed on both the left and right ends of the lower slider. A slot is formed in the middle of the rubber sheet. The bottom surface of the slot extends out of the bottom surface of the rubber sheet. The inner side wall of the slot is in close contact with the outer side wall of the corresponding upper guide rail. The slot and the outer side wall of the corresponding upper guide rail are matched.

[0013] The lower left and middle parts of the two upper guide rails are each formed with multiple outwardly extending side through holes.

[0014] The rodless cylinder is fitted with an accordion-style protective cover. The left end plate of the accordion-style protective cover is fixed to the left end face of the rodless cylinder, and the right end plate of the accordion-style protective cover is fixed to the left side wall of the upper moving block. The upper part of the rodless cylinder on the left side of the upper moving block is covered by the accordion-style protective cover.

[0015] The outstanding effect of this utility model is:

[0016] It can place the workpiece to be processed on a horizontal placement plate, automatically clamp and fix it, and automatically move it to the machine tool body for processing. After completion, it will automatically move out from the machine tool body, and the clamping plate of the clamping cylinder will automatically release, so that the material can be unloaded. It has a high degree of automation and good performance. Attached image description:

[0017] Figure 1 This is a partial structural schematic diagram of the present invention;

[0018] Figure 2 yes Figure 1 A magnified view of a portion of the image;

[0019] Figure 3 This is a partial sectional view of the horizontally placed plate. Detailed implementation method:

[0020] For example, see below. Figures 1 to 3 As shown, a CNC machine tool workpiece clamping and unloading fixture includes a machine tool body 10. A main horizontal fixing plate 20 is fixed on two guide rails 11 fixed on the top surface of the machine tool body 10. The left part of the main horizontal fixing plate 20 extends to the left side of the machine tool body 10.

[0021] The bottom surface of the main horizontal fixed plate 20 at the guide rail 11 is fixed with a front and back extending long-shaped sliding block 50, the middle part of the bottom surface of the long-shaped sliding block 50 is formed with a front and back extending guide groove, the guide rail 11 is inserted into the corresponding guide groove of the long-shaped sliding block 50 and matched with the guide groove, the screw rod part of the plurality of fixed bolts is screwed into the vertical screwing through hole formed on the top surface of the guide groove, the bottom end of the screw rod part of the fixed bolt is pressed against the top surface of the corresponding guide rail 11, the top surface of the extension part of the lower part of the left and right sides of the guide groove is pressed against the upper part of the oblique wall surface formed at the side of the corresponding guide rail 11, so as to realize clamping and fixing.

[0022] The top surface of the main horizontal fixed plate 20 is fixed with a left and right extending upper guide rail 21 at the front and back parts, the top surface of the main horizontal fixed plate 20 between the two upper guide rails 21 is fixed with a left and right extending rodless air cylinder 22, the top surface of the upper moving block of the rodless air cylinder 22 is fixed with a connecting block 23, the top surface of the connecting block 23 is fixed with a horizontally placed plate 24, the bottom surface of the horizontally placed plate 24 is fixed with a lower sliding block 25 at the front and back parts, the upper guide rail 21 is inserted into the left and right through lower sliding groove formed in the middle part of the bottom surface of the corresponding lower sliding block 25 and matched with the lower sliding groove;

[0023] The top surface of the main horizontal fixed plate 20 at the right end of the two upper guide rails 21 is fixed with a vertical baffle 30, the right side wall of the right lower sliding block 25 is close to or pressed against the left side wall of the vertical baffle 30;

[0024] The left and right parts of the top surface of the horizontally placed plate 24 are fixed with a plurality of clamping oil cylinders 241, the workpiece 100 to be processed is pressed against the top surface of the horizontally placed plate 24, and the pressing plate 242 of all the clamping oil cylinders 241 is pressed against the top surface of the edge part of the workpiece 100.

[0025] Further, the left side wall of the vertical baffle 30 is fixed with an elastic sealing plate 31, and the right side wall of the horizontally placed plate 24 and the right end surface of the two upper guide rails 21 are pressed against the elastic sealing plate 31.

[0026] Further, the front and back side walls of the horizontally placed plate 24 are fixed with a downward extending side baffle 1, and the right side wall of the side baffle 1 is pressed against the left side wall of the elastic sealing plate 31.

[0027] The bottom inside wall of the side baffle 1 is fixed with a brush layer 2, and the brush layer 2 is pressed against the front side wall or the rear side wall of the horizontally placed plate 24.

[0028] Further, the top surface of the horizontally placed plate 24 is fixed with a plurality of positioning protruding parts 243, the positioning protruding parts 243 are inserted into the corresponding positioning holes formed in the bottom surface of the workpiece 100, and the outer side wall of the positioning protruding parts 243 is tightly attached to the inner side wall of the corresponding positioning hole.

[0029] Further, the left and right ends of the lower sliding block 25 are fixed with rubber sheets 26, the middle part of the rubber sheet 26 is formed with an insertion slot, the bottom surface of the insertion slot extends out of the bottom surface of the rubber sheet 26, the inner side wall of the insertion slot is tightly attached to the outer side wall of the corresponding upper guide rail 21, and the insertion slot cooperates with the outer side wall of the corresponding upper guide rail 21.

[0030] Further, the middle part of the main horizontal fixed plate 20 is formed with a plurality of through holes 27.

[0031] Further, the left part and the lower part of the middle part of the two upper guide rails 21 are formed with a plurality of outwardly extending side through holes 211.

[0032] Further, the rodless air cylinder 22 is sleeved with an accordion protective cover 40, the left end plate of the accordion protective cover 40 is fixed on the left end surface of the rodless air cylinder 22, the right end plate of the accordion protective cover 40 is fixed on the left side wall of the upper moving block, and the upper part of the rodless air cylinder 22 at the left side of the upper moving block is covered by the accordion protective cover 40.

[0033] Further, the left bottom surface of the main horizontal fixed plate 20 is fixed with a plurality of vertical support columns 5, the middle part of the bottom surface of the vertical support column 5 is formed with a threaded hole, the bottom support plate 6 is directly below the vertical support column 5, the threaded hole in the middle part of the top surface of the bottom support plate 6 is screwed with a threaded rod, the bottom surface of the bottom support plate 6 is fixed with an anti-skid pad 7, and the bottom surface of the anti-skid pad 7 is pressed against the ground.

[0034] In use, the horizontal placement plate 24 is above the left part of the main horizontal fixed plate 20, the workpiece 100 to be processed is placed on the top surface of the horizontal placement plate 24, the positioning protrusions 243 are sleeved in the corresponding positioning holes formed in the bottom surface of the workpiece 100, the outer side wall of the positioning protrusions 243 is tightly attached to the inner side wall of the corresponding positioning hole, then the push rods of all the clamping oil cylinders 241 are retracted, the pressing plate 242 is pressed against the top surface of the edge of the workpiece 100 to press and fix it, then the rodless air cylinder 22 operates to move the horizontal placement plate 24 to the right until the right end of the horizontal placement plate 24 is pressed against the left side wall of the elastic sealing plate 31, at this time, the upper moving block of the rodless air cylinder 22 moves to the rightmost end, at this time, the workpiece 100 can be processed by the milling cutter and other components above the machine tool body 10, and during processing, the side baffle 1, the brush layer 2, the elastic sealing plate 31 and the accordion protective cover 40 can prevent some chips or cooling liquid generated during processing from entering the moving guide groove at the upper part of the rodless air cylinder 22 to ensure normal operation.

[0035] When the upper moving block of the rodless air cylinder 22 moves to the left, the accordion protective cover 40 is retracted, and when the upper moving block of the rodless air cylinder 22 moves to the right, the accordion protective cover 40 is expanded.

[0036] The workpiece 100 to be processed can be placed on the horizontal placement plate 24, and the workpiece 100 can be automatically clamped and fixed and moved to the machine tool main body 10 for processing. After completion, the workpiece 100 is automatically removed from the machine tool main body 10, the pressing plate 242 of the clamping oil cylinder 241 is loosened, and the workpiece 100 can be discharged. The degree of automation is high, and the use effect is good.

Claims

1. A workpiece clamping and stripping jig for a numerically controlled machine tool, comprising a machine tool body (10), characterised in that: The top surface of the machine tool body (10) is fixed with two guide rails (11), and the left part of the main horizontal fixed plate (20) extends out of the left side of the machine tool body (10); The top surface of the main horizontal fixed plate (20) is fixed with two left and right extending upper guide rails (21), and the top surface of the main horizontal fixed plate (20) between the two upper guide rails (21) is fixed with a left and right extending rodless air cylinder (22), the top surface of the upper moving block of the rodless air cylinder (22) is fixed with a connecting block (23), the top surface of the connecting block (23) is fixed with a horizontally placed plate (24), and the bottom surface of the horizontally placed plate (24) is fixed with a lower sliding block (25). The upper guide rail (21) is inserted into the left and right penetrating lower sliding groove formed in the middle part of the bottom surface of the corresponding lower sliding block (25) and cooperates with the lower sliding groove. The top surface of the main horizontal fixed plate (20) at the right end of the two upper guide rails (21) is fixed with a vertical baffle (30), and the right side wall of the lower sliding block (25) on the right side is close to or pressed against the left side wall of the vertical baffle (30). The left and right parts of the top surface of the horizontally placed plate (24) are fixed with a plurality of clamping oil cylinders (241), and the workpiece (100) to be processed is pressed against the top surface of the horizontally placed plate (24). The pressing plate (242) of all clamping oil cylinders (241) is pressed against the top surface of the edge of the workpiece (100).

2. The workpiece clamping and stripping fixture of claim 1, wherein: The left side wall of the vertical baffle (30) is fixed with an elastic sealing plate (31), and the right side wall of the horizontally placed plate (24) and the right end surface of the two upper guide rails (21) are pressed against the elastic sealing plate (31).

3. The workpiece clamping and stripping fixture of claim 2, wherein: The left and right side walls of the horizontally placed plate (24) are fixed with downward extending side baffles (1), and the right side wall of the side baffle (1) is pressed against the left side wall of the elastic sealing plate (31). The bottom inner side wall of the side baffle (1) is fixed with a brush layer (2), and the brush layer (2) is pressed against the front or rear side wall of the horizontally placed plate (24).

4. The workpiece clamping and stripping fixture of claim 1, wherein: The top surface of the horizontally placed plate (24) is fixed with a plurality of positioning protrusions (243), the positioning protrusions (243) are inserted into the corresponding positioning holes formed in the bottom surface of the workpiece (100), and the outer side wall of the positioning protrusion (243) is tightly attached to the inner side wall of the corresponding positioning hole.

5. The workpiece clamping and stripping fixture of claim 1, wherein: The left and right end surfaces of the lower sliding block (25) are fixed with rubber sheets (26), the middle part of the rubber sheet (26) is formed with a slot, the bottom surface of the slot extends out of the bottom surface of the rubber sheet (26), the inner side wall of the slot is tightly attached to the outer side wall of the corresponding upper guide rail (21), and the slot cooperates with the outer side wall of the corresponding upper guide rail (21).

6. The workpiece clamping and stripping fixture of claim 1, wherein: The middle part of the horizontally placed plate (24) is formed with a plurality of through holes (27).

7. The workpiece clamping and stripping fixture of claim 1, wherein: The left and middle lower parts of the two upper guide rails (21) are formed with a plurality of outward extending side through holes (211).

8. The workpiece clamping and stripping fixture of claim 1, wherein: The rodless air cylinder (22) is sleeved with an accordion protective cover (40), the left end plate of the accordion protective cover (40) is fixed on the left end face of the rodless air cylinder (22), the right end fixing plate of the accordion protective cover (40) is fixed on the left side wall of the upper moving block, and the upper part of the rodless air cylinder (22) at the left side of the upper moving block is covered by the accordion protective cover (40).

9. The workpiece clamping and stripping fixture of claim 1, wherein: The left bottom surface of the main horizontal fixed plate (20) is fixed with a plurality of vertical support columns (5), the middle part of the bottom surface of the vertical support column (5) is formed with a threaded hole, the bottom support plate (6) is directly below the vertical support column (5), the threaded hole in the middle part of the top surface of the bottom support plate (6) is screwed with a threaded rod, and the bottom surface of the bottom support plate (6) is fixed with a non-slip pad (7), and the bottom surface of the non-slip pad (7) is pressed against the ground.

10. The workpiece clamping and stripping fixture for a numerically controlled machine tool according to claim 1, characterized in that: The bottom surface of the main horizontal fixed plate (20) at the guide rail (11) is fixed with an elongated sliding block (50) extending front and back, the elongated sliding block (50) is sleeved on the corresponding guide rail (11) and is fixedly connected on the guide rail (11) through bolts.

Images