Titanium alloy large thin-wall part machining tool

Abstract

The utility model belongs to the technical field of titanium alloy large thin-wall part machining tools, and particularly relates to a titanium alloy large thin-wall part machining tool which comprises a base, a workbench is fixedly connected to the top of the base, one end of the workbench is connected with a first fixing plate, and the other end of the workbench is fixedly connected with a second fixing plate. A vacuum generator is installed on the inner side of the base, a motor is installed on the surface of the first fixing plate, and the output end of the motor is connected with a bidirectional threaded rod. The motor drives the bidirectional threaded rod to rotate, the two threaded connecting sleeves in threaded connection with the outer wall of the bidirectional threaded rod can drive the rectangular connecting block to face each other or move along the guide rod, and the vacuum suction cup at the top of one end of the rectangular connecting block moves along with the movement of the rectangular connecting block. And therefore, the distance between every two opposite vacuum suction cups is adjusted, and the titanium alloy large thin-wall part on the workbench can be conveniently fixed from different positions.

Description

TECHNICAL FIELD

[0001] The utility model belongs to titanium alloy large -scale thin -walled part machining frock technical field, concretely relates to a titanium alloy large -scale thin -walled part machining frock. BACKGROUND

[0002] Titanium alloy large -scale thin -walled part machining frock is important process equipment for guaranteeing titanium alloy large -scale thin -walled part machining precision and quality, and titanium alloy large -scale thin -walled part is poor in rigidity and is easily deformed, so the fixture needs to have the characteristics of high-precision positioning, uniform clamping and reliable support to reduce deformation in the machining process.

[0003] At present, the existing titanium alloy large -scale thin -walled part machining frock is usually used in the process, titanium alloy large -scale thin -walled part is adsorbed on the workbench by vacuum chuck and vacuum suction force, but the position of the vacuum chuck on the traditional titanium alloy large -scale thin -walled part machining frock fixture usually does not have the adjusting function, and the vacuum chuck on the workbench can only be fixed in a specific position to the alloy large -scale thin -walled part, so there is certain limitation, which may reduce the stability of the fixed alloy large -scale thin -walled part of different specifications. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a titanium alloy large -scale thin -walled part machining frock, and aims at solving the problem that the existing titanium alloy large -scale thin -walled part machining frock in the prior art is usually used in the process, titanium alloy large -scale thin -walled part is adsorbed on the workbench by vacuum chuck and vacuum suction force, but the position of the vacuum chuck on the traditional titanium alloy large -scale thin -walled part machining frock fixture usually does not have the adjusting function, and the vacuum chuck on the workbench can only be fixed in a specific position to the alloy large -scale thin -walled part, so there is certain limitation, which may reduce the stability of the fixed alloy large -scale thin -walled part of different specifications.

[0005] To achieve the above object, the utility model provides the following technical scheme: a titanium alloy large -scale thin -walled part machining frock, including the base, the top of base is fixedly connected with workbench, one end of workbench is connected with first fixed plate, the other end of workbench is fixedly connected with second fixed plate, the inboard of base is installed with vacuum generator;

[0006] The surface of first fixed plate is installed with motor, and the output end of motor is connected with two-way screw rod, and the outer wall of two-way screw rod is connected with two threaded connecting sleeves, and the outer wall of threaded connecting sleeve is fixedly connected with rectangular connecting block, and the fixed plate and second fixed plate are fixedly connected with guide rod, and the top of one end of rectangular connecting block away from threaded connecting sleeve is provided with vacuum chuck.

[0007] As the utility model discloses a titanium alloy large -scale thin -walled part machining frock optimization, two -way threaded rod is away from the one end of motor through bearing and second fixed plate constitute rotation connecting structure.

[0008] As the utility model discloses a titanium alloy large -scale thin -walled part machining frock optimization, rectangular connecting block is away from the one end of threaded connecting sleeve and is sleeved on the outer wall of guide rod.

[0009] As the utility model discloses a titanium alloy large -scale thin -walled part machining frock optimization, four vacuum chuck are arranged, and four the vacuum chuck between two -two are opposite.

[0010] As the utility model discloses a titanium alloy large -scale thin -walled part machining frock optimization, the top of one end of rectangular connecting block is fixedly connected with connecting seat, the inside of connecting seat is provided with buffer spring, one end of buffer spring is connected with limiting block, and one end of limiting block is fixedly connected with fixed connecting block.

[0011] As the utility model discloses a titanium alloy large -scale thin -walled part machining frock optimization, the one end of fixed connecting block is away from limiting block and extends to the outside of connecting seat, and the through -end of fixed connecting block is fixedly connected with the bottom of vacuum chuck.

[0012] As the utility model discloses a titanium alloy large -scale thin -walled part machining frock optimization, vacuum chuck can form elastic structure with connecting seat through buffer spring, limiting block and fixed connecting block.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The two threaded connecting sleeves of the outer wall thread connection can drive rectangular connecting block to move along guide rod oppositely or oppositely, and the vacuum chuck at the top of one end of rectangular connecting block moves together, thereby adjusting the spacing between two -two opposite vacuum chucks, so as to fix titanium alloy large -scale thin -walled parts on the workbench from different positions.

[0015] When the titanium alloy large -scale thin -walled part is placed on the workbench, the vacuum chuck is extruded buffer spring under the action of pressure after contacting the vacuum chuck, thereby providing a certain activity space when the vacuum chuck is stressed, and avoiding damage to the vacuum chuck when placing the titanium alloy large -scale thin -walled part. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings are used to provide further understanding of the utility model, and constitute part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model. In the drawings:

[0017] Figure 1 It is the front view structure schematic diagram of the utility model;

[0018] Figure 2 It is the first bottom view sectional structure schematic diagram of the utility model;

[0019] Figure 3 It is the second bottom view sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is the A enlarged structure schematic diagram of the utility model.

[0021] In the drawing: 1, base; 2, workbench; 3, first fixed plate; 4, second fixed plate; 5, vacuum generator; 6, motor; 7, two-way threaded rod; 8, threaded connecting sleeve; 9, rectangular connecting block; 10, guide rod; 11, vacuum chuck; 12, connecting seat; 13, buffer spring; 14, limit block; 15, fixed connecting block. DETAILED DESCRIPTION

[0022] 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, not 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.

[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme: a titanium alloy large thin wall part machining tool, including base 1, the top of base 1 is fixedly connected with workbench 2, one end of workbench 2 is connected with first fixed plate 3, the other end of workbench 2 is fixedly connected with second fixed plate 4, the inner side of base 1 is installed with vacuum generator 5;

[0024] The surface of first fixed plate 3 is installed with motor 6, the output end of motor 6 is connected with two-way threaded rod 7, the outer wall of two-way threaded rod 7 is connected with two threaded connecting sleeves 8, the outer wall of threaded connecting sleeve 8 is fixedly connected with rectangular connecting block 9, guide rod 10 is fixedly connected between first fixed plate 3 and second fixed plate 4, the top of the end of rectangular connecting block 9 away from threaded connecting sleeve 8 is provided with vacuum chuck 11;

[0025] It should be noted that the model of vacuum generator 5 is CV-15HRCK, the output end of vacuum generator 5 is connected with electromagnetic valve, and the control valve is connected with the interface of each vacuum chuck 11 through vacuum pipeline, and the output end of vacuum generator 5 is installed with vacuum pressure gauge;

[0026] The vacuum generator 5 is used for generating a vacuum device, and the jet vacuum generator uses the high-speed flow of compressed air to form negative pressure, which is simple in structure, small in size and convenient to maintain. The inlet and outlet interfaces of the control valve are connected with the corresponding interfaces of the vacuum generator 5 through threaded tightening, and sealing treatment is also needed to prevent gas leakage and affect the performance of the vacuum system. The vacuum chuck 11 is provided with a plurality of holes on the surface.

[0027] Specifically, when the workpiece is placed on the vacuum chuck 11, the vacuum chuck 11 on the titanium alloy large thin-walled part can be adsorbed and fixed by controlling the vacuum generator 5.

[0028] Preferably, the end of the bidirectional threaded rod 7 away from the motor 6 is connected with the second fixed plate 4 through a bearing to form a rotating connection structure, the end of the rectangular connecting block 9 away from the threaded connecting sleeve 8 is sleeved on the outer wall of the guide rod 10, and the vacuum chuck 11 is provided with four, and the four vacuum chucks 11 are opposite to each other.

[0029] Specifically, when the motor 6 drives the bidirectional threaded rod 7 to rotate clockwise, the two threaded connecting sleeves 8 connected with the outer wall of the bidirectional threaded rod 7 can drive the rectangular connecting block 9 to move along the guide rod 10, and the vacuum chuck 11 at the top of one end of the rectangular connecting block 9 moves together, so as to adjust the distance between the two opposite vacuum chucks 11, so as to fix the titanium alloy large thin-walled part on the workbench 2 from different positions.

[0030] On the contrary, the motor 6 drives the bidirectional threaded rod 7 to rotate counterclockwise, and the two threaded connecting sleeves 8 connected with the outer wall of the bidirectional threaded rod 7 can drive the rectangular connecting block 9 to move along the guide rod 10, and the vacuum chuck 11 at the top of one end of the rectangular connecting block 9 moves together.

[0031] The motor 6 is connected with an external power source and a control switch.

[0032] Preferably, the top of one end of the rectangular connecting block 9 is fixedly connected with a connecting seat 12, the inside of the connecting seat 12 is provided with a buffer spring 13, one end of the buffer spring 13 is connected with a limiting block 14, one end of the limiting block 14 is fixedly connected with a fixed connecting block 15, the end of the fixed connecting block 15 away from the limiting block 14 extends to the outside of the connecting seat 12, and the penetrating end of the fixed connecting block 15 is fixedly connected with the bottom of the vacuum chuck 11. The vacuum chuck 11 can form an elastic structure with the connecting seat 12 through the buffer spring 13, the limiting block 14 and the fixed connecting block 15.

[0033] In specific use, when the titanium alloy large thin-wall part is placed on the workbench 2, the titanium alloy large thin-wall part contacts the vacuum chuck 11, and the vacuum chuck 11 is pressed against the buffer spring 13 under the pressure, thereby providing a certain moving space when the vacuum chuck 11 is stressed, and avoiding damage to the vacuum chuck 11 when the titanium alloy large thin-wall part is placed.

[0034] The working principle is as follows: firstly, the bidirectional threaded rod 7 is rotated by the motor 6, and the two threaded connection sleeves 8 connected with the outer wall of the bidirectional threaded rod 7 can drive the rectangular connecting block 9 to move along the guide rod 10, and the vacuum chuck 11 at one end of the top of the rectangular connecting block 9 moves together, thereby adjusting the distance between the two vacuum chucks 11, so as to fix the titanium alloy large thin-wall part on the workbench 2 from different positions, then the titanium alloy large thin-wall part is placed on the workbench 2, when the titanium alloy large thin-wall part contacts the vacuum chuck 11, the vacuum chuck 11 is pressed against the buffer spring 13 under the pressure, thereby providing a certain moving space when the vacuum chuck 11 is stressed, and avoiding damage to the vacuum chuck 11 when the titanium alloy large thin-wall part is placed, finally, the titanium alloy large thin-wall part on the vacuum chuck 11 can be adsorbed and fixed by controlling the vacuum generator 5.

[0035] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A machining fixture for large thin-walled titanium alloy parts, comprising a base (1), characterized in that: A workbench (2) is fixedly connected to the top of the base (1), a first fixing plate (3) is connected to one end of the workbench (2), a second fixing plate (4) is fixedly connected to the other end of the workbench (2), and a vacuum generator (5) is installed on the inner side of the base (1). A motor (6) is mounted on the surface of the first fixing plate (3). The output end of the motor (6) is connected to a bidirectional threaded rod (7). Two threaded connecting sleeves (8) are threadedly connected to the outer wall of the bidirectional threaded rod (7). A rectangular connecting block (9) is fixedly connected to the outer wall of the threaded connecting sleeve (8). A guide rod (10) is fixedly connected between the first fixing plate (3) and the second fixing plate (4). A vacuum suction cup (11) is provided on the top of the rectangular connecting block (9) away from the threaded connecting sleeve (8).

2. The machining fixture for large thin-walled titanium alloy parts according to claim 1, characterized in that: The end of the bidirectional threaded rod (7) away from the motor (6) is connected to the second fixed plate (4) via a bearing to form a rotating connection structure.

3. The machining fixture for large thin-walled titanium alloy parts according to claim 1, characterized in that: The rectangular connecting block (9) is sleeved on the outer wall of the guide rod (10) at the end away from the threaded connecting sleeve (8).

4. The machining fixture for large thin-walled titanium alloy parts according to claim 1, characterized in that: Four vacuum suction cups (11) are provided, and the four vacuum suction cups (11) are arranged in pairs facing each other.

5. The machining fixture for large thin-walled titanium alloy parts according to claim 1, characterized in that: A connecting seat (12) is fixedly connected to the top of one end of the rectangular connecting block (9). A buffer spring (13) is provided inside the connecting seat (12). One end of the buffer spring (13) is connected to a limit block (14). One end of the limit block (14) is fixedly connected to a fixed connecting block (15).

6. The machining fixture for large thin-walled titanium alloy parts according to claim 5, characterized in that: The fixed connecting block (15) extends through one end away from the limiting block (14) to the outside of the connecting seat (12), and the through end of the fixed connecting block (15) is fixedly connected to the bottom of the vacuum suction cup (11).

7. The machining fixture for large thin-walled titanium alloy parts according to claim 5, characterized in that: The vacuum suction cup (11) can form an elastic structure with the connecting seat (12) through the buffer spring (13), the limiting block (14), and the fixed connecting block (15).

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