Workpiece turnover device of numerical control machine tool

Abstract

The utility model discloses a workpiece turnover device of a numerical control machine tool, which comprises a bottom plate, fixed blocks are fixed on two sides of the top of the bottom plate, one of the fixed blocks is provided with a movable block through a left-right adjusting mechanism, and one side of the movable block is rotatably provided with a first rotating shaft through a bearing. The distance between the two U-shaped plates can be adjusted through forward rotation or reverse rotation of a second handle, so that workpieces with different lengths can be clamped, the three first rectangular blocks are arranged in the inner cavity, the distance between the two farthest first rectangular blocks can be adjusted, and the distance between the two farthest second rectangular blocks can be adjusted; and by rotating two first handles, two second rectangular blocks can fix two corners of one end of the workpiece, so that the workpieces with different widths can be fixed, and the universality of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field, concretely is a workpiece turnover device of numerical control machine tool. BACKGROUND

[0002] In numerical control machine tool processing, often need to process two sides to workpiece, this requires workpiece to be able to overturn.

[0003] However, the fixing mechanism for fixing workpiece on the workpiece turnover device of existing numerical control machine tool cannot adjust the fixing range according to the size of workpiece, thereby leading to the inability to fix workpieces of different sizes, resulting in low universality.

[0004] In view of the above problem, it is urgent to make innovative design on the basis of the original workpiece turnover device of numerical control machine tool. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a workpiece turnover device of numerical control machine tool to solve the problem in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a workpiece turnover device of numerical control machine tool, including the bottom plate, both sides of the bottom plate top are all fixed with fixed block, wherein one fixed block is provided with movable block through left and right adjusting mechanism, one side of movable block is rotatably installed with first rotating shaft through bearing, the inside of another fixed block is rotatably installed with second rotating shaft through bearing, and the end of second rotating shaft and the end of first rotating shaft are all fixed with U-shaped plate, and two U-shaped plates are designed to be close to each other, the other end of second rotating shaft is fixedly connected with the output end of servo motor, and the outer wall of servo motor is fixed on the outer wall of fixed block through mounting plate, and two U-shaped plates are all provided with fixed mechanism.

[0007] Preferably, the fixed mechanism includes an inner cavity, and the top of each of the two U-shaped plates is provided with an inner cavity, the top and bottom of the inner cavity are provided with a through slot, a first rectangular block is slidably arranged in the inner cavity, a first screw rod is threadedly installed in the first rectangular block, a second rectangular block is rotatably installed on the lower end of the first screw rod in the inner cavity of the U-shaped plate, the side of the second rectangular block is in close contact with the inner side of the U-shaped plate, and a first handle is fixed to the upper end of the first screw rod above the U-shaped plate.

[0008] Preferably, the bottom of the second rectangular block and the bottom of the U-shaped plate are both fixed with anti-skid rubber pads.

[0009] Preferably, the left and right adjusting mechanism comprises a second screw rod, the inside of the fixed block is provided with the second screw rod, one end of the second screw rod is rotationally connected with the middle of one side of the movable block through a bearing, the other end of the second screw rod is fixedly provided with a second handle, the bottom of one side of the movable block is fixedly provided with a limiting rod, and the end of the limiting rod penetrates the inside of the fixed block.

[0010] Preferably, the second screw rod is in threaded connection with the fixed block, and the limiting rod is in sliding connection with the fixed block.

[0011] Preferably, the bottom plate is provided with mounting holes at four corners.

[0012] Compared with the prior art, the workpiece overturning device of the numerical control machine tool can adjust the distance between the two U-shaped plates by forward rotation or reverse rotation of the second handle, so that workpieces of different lengths can be clamped, the distance between the two farthest first rectangular blocks can be adjusted due to the fact that three first rectangular blocks are arranged in the inside of the inner cavity, so that the distance between the two farthest second rectangular blocks can be adjusted, and the two second rectangular blocks can fix two corners of one end of the workpiece by rotating the two first handles, so that workpieces of different widths can be fixed, and the universality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a top view of the sectional structure of the utility model;

[0014] Figure 2 It is the utility model Figure 1 A enlarged structure schematic view in the middle;

[0015] Figure 3 It is a front view of the sectional structure of the utility model;

[0016] Figure 4 It is the utility model Figure 3 A enlarged structure schematic view in the middle B;

[0017] Figure 5 It is a first rectangular block side view of the sectional structure of the utility model installation structure schematic view;

[0018] Figure 6 It is a second handle side view structure schematic view of the utility model.

[0019] In the drawing: 1, bottom plate; 2, fixed block; 3, movable block; 4, first rotating shaft; 5, second rotating shaft; 6, U-shaped plate; 7, servo motor; 8, inner cavity; 9, through slot; 10, first rectangular block; 11, first screw rod; 12, second rectangular block; 13, first handle; 14, second screw rod; 15, second handle; 16, limiting rod; 17, anti-skid rubber pad; 18, mounting hole. DETAILED DESCRIPTION

[0020] 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 labor fall within the scope of the utility model.

[0021] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a workpiece turnover device of numerical control machine tool, including bottom plate 1, the both sides of bottom plate 1 top are fixed with fixed block 2, one of fixed block 2 is provided with movable block 3 by left and right adjusting mechanism, one side of movable block 3 is rotatably installed with first rotating shaft 4 by bearing, the inside of another fixed block 2 is rotatably installed with second rotating shaft 5 by bearing, and the end of second rotating shaft 5 and the end of first rotating shaft 4 are fixed with U-shaped plate 6, and two U-shaped plates 6 are designed to be close to each other, the other end of second rotating shaft 5 is fixedly connected with the output end of servo motor 7, and the outer wall of servo motor 7 is fixed to the outer wall of fixed block 2 by mounting plate, and two U-shaped plates 6 are provided with fixed mechanism.

[0022] Fixed mechanism includes inner cavity 8, the top of two U-shaped plates 6 is equipped with inner cavity 8, and the top and bottom of inner cavity 8 are equipped with through slot 9, and first rectangular block 10 is slidably arranged in the inside of inner cavity 8, first screw rod 11 is threadedly installed in the inside of first rectangular block 10, and the lower end of first screw rod 11 is rotatably installed with second rectangular block 12 in the inside of U-shaped plate 6 by bearing, the side of second rectangular block 12 and the inside of U-shaped plate 6 are mutually attached, and the upper end of first screw rod 11 is fixed with first handle 13 above U-shaped plate 6, and three first rectangular blocks 10 are arranged in the inside of inner cavity 8, by forward rotation or reverse rotation first handle 13, second rectangular block 12 can be moved to the bottom of U-shaped plate 6 or away from the bottom of U-shaped plate 6, so that the workpiece of different thicknesses can be clamped and fixed, and the distance between second rectangular block 12 can be adjusted according to the size width of workpiece, so that the workpiece of different width can be fixed, and the versatility of the device is improved.

[0023] The bottom of second rectangular block 12 and the bottom in U-shaped plate 6 are fixed with antiskid rubber pad 17, increase the friction between workpiece, improve the stability of workpiece fixed, and also protect the surface of workpiece.

[0024] The left and right adjusting mechanism comprises a second screw rod 14, the second screw rod 14 is installed through the inside of the fixed block 2, one end of the second screw rod 14 is rotatably connected with the middle part of one side of the movable block 3 through a bearing, the other end of the second screw rod 14 is fixedly connected with a second handle 15, the bottom of one side of the movable block 3 is fixedly connected with a limiting rod 16, the end of the limiting rod 16 is installed through the inside of the fixed block 2, the second screw rod 14 is threadedly connected with the fixed block 2, the limiting rod 16 is slidably connected with the fixed block 2, by rotating the second handle 15 in the forward direction or in the reverse direction, the two U-shaped plates 6 can be moved to approach each other or to move away from each other, so that workpieces of different lengths can be clamped.

[0025] The bottom plate 1 is provided with mounting holes 18 at four corners, so that the bottom plate 1 can be fixed on the workbench of the numerical control machine tool through the mounting holes 18 and bolts.

[0026] Working principle: when the workpiece turnover device of the numerical control machine tool is used, first rotate the second handle 15, then the second handle 15 drives the second screw rod 14 to rotate, because the second screw rod 14 is threadedly connected with the fixed block 2, and the limiting rod 16 is slidably connected with the fixed block 2, and one end of the second screw rod 14 is rotatably connected with the middle part of one side of the movable block 3 through a bearing, therefore the second screw rod 14 drives the movable block 3 and the U-shaped plate 6 to move to approach the other U-shaped plate 6, until the two U-shaped plates 6 can place the workpiece therebetween, then the two ends of the workpiece are respectively placed on the bottom of the two U-shaped plates 6, and the length clamping of the workpiece is completed;

[0027] Then, according to the width of the workpiece, the positions of the two second rectangular blocks 12 are adjusted, the first screw rod 11 is pushed, the first screw rod 11 drives the first rectangular block 10 to move in the inside of the inner cavity 8, the first screw rod 11 simultaneously drives the second rectangular block 12 to move, until the second rectangular block 12 approaches the corner of the workpiece, the first screw rod 11 is stopped, then the first handle 13 is rotated, the first handle 13 drives the first screw rod 11 to rotate, because the lower end of the first screw rod 11 is rotatably installed with the second rectangular block 12 through a bearing, and the side of the second rectangular block 12 is matched with the inner side of the U-shaped plate 6, and the inside of the first rectangular block 10 is threadedly installed with the first screw rod 11, therefore the first screw rod 11 drives the second rectangular block 12 to move downward, and the anti-skid rubber pad 17 is matched to complete the fixation of one corner of the workpiece, by installing the above operation, the fixation of the other three corners of the workpiece is completed, finally the first handle 13 in the middle is rotated, so that the second rectangular block 12 in the middle position moves downward, the fixation of the middle position of the workpiece is completed, so that the six points of the workpiece are simultaneously fixed, the stability of the workpiece during machining is ensured, when one face of the workpiece is machined, the servo motor 7 is started, the servo motor 7 drives the workpiece to rotate one hundred and eighty degrees through the second rotating shaft 5, the U-shaped plate 6 and the first rotating shaft 4, so that the workpiece is turned over, and the other face of the workpiece can be machined.

[0028] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A workpiece turnover device of a numerically controlled machine tool, comprising a base plate (1), characterized in that: The bottom plate (1) top both sides are fixed with fixed block (2), wherein one of the fixed block (2) is provided with movable block (3) through left and right adjusting mechanism, one side of the movable block (3) is rotatably installed with first rotating shaft (4) through bearing, the inside of the other fixed block (2) is rotatably installed with second rotating shaft (5) through bearing, the end of the second rotating shaft (5) and the end of the first rotating shaft (4) are fixed with U-shaped plate (6), and the two U-shaped plates (6) are designed to be close to each other, the other end of the second rotating shaft (5) is fixedly connected with the output end of servo motor (7), the outer wall of the servo motor (7) is fixed on the outer wall of the fixed block (2) through the mounting plate, and the two U-shaped plates (6) are provided with fixing mechanism.

2. A workpiece turnover device for a numerically controlled machine tool according to claim 1, characterised in that: The fixing mechanism comprises an inner cavity (8), two U-shaped plates (6) are provided with inner cavity (8) at the top, the top and bottom of the inner cavity (8) are provided with through slot (9), the inside of the inner cavity (8) is slidably provided with first rectangular block (10), the inside of the first rectangular block (10) is threaded with first screw rod (11), the lower end of the first screw rod (11) is rotatably installed with second rectangular block (12) in the inside of the U-shaped plate (6) through bearing, the side of the second rectangular block (12) is matched with the inside of the U-shaped plate (6), the upper end of the first screw rod (11) is fixed with first handle (13) above the U-shaped plate (6), and the first rectangular block (10) is provided with three in the inner cavity (8).

3. A workpiece turnover device for a numerically controlled machine tool according to claim 2, characterised in that: The bottom of the second rectangular block (12) and the bottom of the U-shaped plate (6) are fixed with anti-skid rubber pad (17).

4. A workpiece turnover device for a numerically controlled machine tool according to claim 1, characterized in that: The left and right adjusting mechanism comprises a second screw rod (14), the inside of the fixed block (2) is threaded with a second screw rod (14), one end of the second screw rod (14) is rotatably connected with the middle of one side of the movable block (3) through bearing, the other end of the second screw rod (14) is fixedly connected with the second handle (15), the bottom of one side of the movable block (3) is fixedly connected with the limiting rod (16), and the end of the limiting rod (16) penetrates the inside of the fixed block (2).

5. A workpiece turnover device for a numerically controlled machine tool according to claim 4, characterised in that: The second screw rod (14) and the fixed block (2) are screwed, and the limiting rod (16) and the fixed block (2) are slidably connected.

6. A workpiece turnover device for a numerically controlled machine tool according to claim 1, characterized in that: The bottom plate (1) is provided with mounting hole (18) at four corners.

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