Three-coordinate clamp

Abstract

The utility model relates to the technical field of clamps, in particular to a three-coordinate clamp which comprises a clamp base, one side of the clamp base is fixedly connected with a supporting assembly, the other side of the clamp base is fixedly provided with a clamping assembly, the supporting assembly comprises a supporting rod, a flat groove is formed in the supporting rod, and the clamping assembly is fixedly connected with the clamping assembly. A telescopic rod is fixedly installed on one side of the supporting rod, one side of the telescopic rod is connected to the clamp base, a threaded rod is fixedly connected to the other side of the supporting rod, the clamping assembly comprises a clamp assembly, a screw is installed on the clamp assembly, a movable block is installed on one side of the screw, and the movable block is fixedly connected to the clamp base. A piston block of the clamping assembly moves in a piston pipeline along with a movable block through a piston rod for inflation, gas is conveyed into an air bag through a conveying pipeline, so that the air bag is expanded, when a clamping block clamps and fixes a part, the clamping block is assisted in reducing pressure on the part, and the phenomenon that the part is damaged due to too large pressure is avoided. And the precision is influenced by surface damage or deformation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, concretely is a three -coordinate clamp for three -coordinate. BACKGROUND

[0002] Three -coordinate fixture, also known as three -coordinate measuring machine fixture, three -coordinate universal fixture or three -coordinate flexible fixture, is a kind of tool for fixing and clamping workpiece on three -coordinate measuring machine, so that data acquisition to workpiece from different directions is realized.Three -coordinate measuring machine can collect data to workpiece in three-dimensional space, and three -coordinate fixture is used to fix workpiece when placing it, to ensure the accuracy of measurement.

[0003] At present, many three -coordinate detection workpieces are machined by five -axis machine tool, especially all surfaces of parts in mould are important surfaces, and if steel parts are used for clamping, it is easy to damage the surface of parts, resulting in surface damage or deformation affecting precision. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a three -coordinate clamp, the piston block of clamping assembly moves in the inside of piston pipeline by piston rod and movable block, and inflation is carried out, gas is transmitted to gasbag in transmission pipeline, so that gasbag expands, and when clamping block clamps and fixes parts, auxiliary clamping block reduces the pressure on parts, prevents excessive pressure, resulting in surface damage or deformation affecting precision, to solve the problems in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a three -coordinate clamp, including fixture base, one side of the fixture base is fixedly connected with support assembly, the other side of the fixture base is fixedly installed with clamping assembly, the support assembly includes support stick, the support stick is equipped with flat groove, one side of the support stick is fixedly installed with telescopic rod, one side of the telescopic rod is connected on the fixture base, the other side of the support stick is fixedly connected with threaded rod, the clamping assembly includes clamp assembly, the clamp assembly is installed with screw, one side of the screw is installed with movable block, one side of the movable block is fixedly installed with clamping block, the other side of the movable block is fixedly connected with piston rod, one side of the piston rod is fixedly connected with piston block, the outer surface of the piston block is slidably installed with piston pipeline, one side of the piston pipeline is fixedly connected with transmission pipeline, one side of the transmission pipeline is fixedly connected with gasbag.

[0006] Preferably, the fixture base is fixedly connected with connecting rod on both sides, and the connecting rod is fixedly connected with fixed sleeve on both sides, and the fixed sleeve is slidably installed on the support stick.

[0007] Preferably, the screw extends through the clamp assembly on one side, and the screw is connected with the clamp assembly.

[0008] Preferably, the fixture assembly is provided with a sliding groove, and the movable block is provided with a sliding block at the lower end.

[0009] Preferably, the fixture assembly is provided with a clamping block at one side, and the clamping block is fixedly connected with an air bag at one side.

[0010] Preferably, the piston pipe is arranged in the fixture assembly, the transmission pipe extends through the clamping block at one side, and the transmission pipe is communicated with the air bag.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The piston block moves in the piston pipe along with the movable block through the piston rod, inflates, and the gas is transmitted to the air bag through the transmission pipe, so that the air bag is inflated, the clamping block clamps and fixes the part, the auxiliary clamping block reduces the pressure on the part, prevents the pressure from being too large, and causes surface damage or deformation to affect the precision;

[0013] 2. When the telescopic rod drives the fixture base to rise, the fixed sleeve rises along with the fixture base through the two side connecting rods, fixes the flat-nose pliers, prevents the flat-nose pliers from falling off in the process of rising, causes the whole device to fall off, and affects the part processing of the construction personnel;

[0014] 3. The screw drives the movable block to move forward, the clamping block moves forward along with the movable block to clamp and fix the part, fixes the part after numerical control finishing, and is convenient for subsequent processing and measurement of the construction personnel. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-coordinate fixture overall structure schematic view of the utility model;

[0016] Fig. 2 It is a three-coordinate fixture support assembly structure schematic view of the utility model;

[0017] Fig. 3 It is a three-coordinate fixture base structure schematic view of the utility model;

[0018] Fig. 4 It is a three-coordinate fixture clamping assembly analysis structure schematic view of the utility model.

[0019] In the drawing: 1, fixture base; 101, connecting rod; 102, fixed sleeve; 2, support assembly; 201, support rod; 202, flat groove; 203, telescopic rod; 204, threaded rod; 3, clamping assembly; 301, fixture assembly; 302, screw; 303, movable block; 304, clamping block; 305, piston rod; 306, piston block; 307, piston pipe; 308, transmission pipe; 309, air bag. 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 the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0021] Please refer to Figs. 1 to 4 The utility model provides a kind of fixture for three coordinates, including fixture base 1, fixture base 1 is used to fix overall device, support assembly 2 is fixedly connected in one side of fixture base 1, support assembly 2 is used to be fixedly connected with three coordinate workbench, clamping assembly 3 is fixedly installed in the other side of fixture base 1, clamping assembly 3 is used to fix the part after numerical control finish machining, it is convenient for construction personnel subsequent processing and measurement;

[0022] Support assembly 2 includes support stick 201, support stick 201 is used to be fixedly connected with three coordinate workbench, and flat groove 202 is equipped on support stick 201, flat groove 202 is used to be fixed on three coordinate workbench by flat jaw clamp and other general fixture, telescopic rod 203 is fixedly installed in one side of support stick 201, telescopic rod 203 is used to adjust the height of device, prevent if workpiece position is not placed in high point position, the measuring needle after rotation cannot detect workpiece, telescopic rod 203 is connected on fixture base 1 in one side, and it is fixedly connected by telescopic rod 203 and fixture base 1, drives workpiece to rise, screw rod 204 is fixedly connected in the other side of support stick 201, for screwing to the threaded hole on three coordinate workbench to fix overall device;

[0023] The clamping assembly 3 comprises a clamp assembly 301 for providing a running place for other devices, a screw 302 is installed on the clamp assembly 301, the worker rotates the screw 302 to extrude and fix the parts of other devices, a movable block 303 is installed on one side of the screw 302, the worker rotates the screw 302 to extrude the movable block 303, so as to drive the movable block 303 to move forward to transmit power, a clamping block 304 is fixedly installed on one side of the movable block 303, and the clamping block 304 moves forward with the movable block 303 to clamp and fix the parts, the clamping block is made of 3D printing and ABS material, and is fixed on the clamp body and the movable block respectively, the clamping block can be designed according to the specific measurement of the parts, the 3D printing has high efficiency, the ABS material is soft, the clamping does not damage the workpiece, and the other side of the movable block 303 is fixedly connected with a piston rod 305, the piston rod 305 is driven to move by the movable block 303, one side of the piston rod 305 is fixedly connected with a piston block 306, the piston block 306 moves with the movable block 303 through the piston rod, a piston pipe 307 is slidably installed on the outer surface of the piston block 306, the piston block 306 moves in the piston pipe 307 with the movable block 303 through the piston rod, and inflation is performed, one side of the piston pipe 307 is fixedly and communicatively connected with a transmission pipe 308, gas is transmitted through the transmission pipe 308, one side of the transmission pipe 308 is fixedly and communicatively connected with an air bag 309, the gas is transmitted to the air bag 309 through the transmission pipe 308, so that the air bag 309 is inflated, when the clamping block 304 clamps and fixes the parts, the auxiliary clamping block 304 reduces the pressure on the parts, prevents the pressure from being too large, and causes surface damage or deformation to affect precision.

[0024] In an optional embodiment, the clamp base 1 is fixedly connected with connecting rods 101 on both sides, the connecting rods 101 are fixedly connected with fixed sleeves 102, and the fixed sleeves 102 are slidably installed on the support rods 201. If the threaded hole rods 204 are not suitable, the flat groove 202 is clamped by flat-nose pliers or other general clamps to be fixed on the three-coordinate workbench, when the telescopic rods 203 drive the clamp base 1 to rise, the fixed sleeves 102 rise with the clamp base 1 through the connecting rods 101 on both sides to fix the flat-nose pliers and prevent the flat-nose pliers from falling off in the process of rising.

[0025] In an alternative embodiment, the screw 302 extends through the clamp assembly 301 on one side, and the screw 302 is connected with the clamp assembly 301, when the construction personnel rotates the screw 302 to extrude the movable block 303, thereby driving the movable block 303 to move forward, the clamping block 304 follows the movable block 303 to move forward to clamp and fix the parts, fix the parts after numerical control finishing, facilitate the subsequent processing and measurement of the construction personnel.

[0026] In an alternative embodiment, the clamp assembly 301 is provided with a sliding groove, and the movable block 303 is provided with a sliding block at the lower end, the screw 302 extrudes the movable block 303, thereby driving the movable block 303 to slide through the sliding block at the lower end in the sliding groove, and the movable block 303 moves forward.

[0027] In an alternative embodiment, the clamp assembly 301 is also provided with a clamping block 304 on one side, and the clamping block 304 is fixedly connected with the air bag 309 on one side, when the construction personnel rotates the screw 302 to extrude the movable block 303, thereby driving the movable block 303 to move forward, the clamping block 304 follows the movable block 303 to move forward to the clamping block 304 on the other side, fix the parts after numerical control finishing, facilitate the subsequent processing and measurement of the construction personnel,

[0028] In an alternative embodiment, the piston pipe 307 is arranged inside the clamp assembly 301, the transmission pipe 308 extends through the clamping block 304 on one side, and the transmission pipe 308 is communicated with the air bag 309, the piston block 306 moves in the piston pipe 307 through the piston rod following the movable block 303, inflates, and the gas is transmitted to the air bag 309 through the transmission pipe 308, so that the air bag 309 expands, when the clamping block 304 clamps and fixes the parts, it assists the clamping block 304 to reduce the pressure on the parts, prevents the pressure from being too large, causes surface damage or deformation, and affects the precision.

[0029] Working principle: when the construction personnel rotates the screw 302 to extrude the movable block 303, thereby driving the movable block 303 to move forward, the clamping block 304 follows the movable block 303 to move forward to clamp and fix the parts, fix the parts after numerical control finishing, facilitate the subsequent processing and measurement of the construction personnel, at the same time, the piston block 306 moves in the piston pipe 307 through the piston rod following the movable block 303, inflates, and the gas is transmitted to the air bag 309 through the transmission pipe 308, so that the air bag 309 expands, when the clamping block 304 clamps and fixes the parts, it assists the clamping block 304 to reduce the pressure on the parts, prevents the pressure from being too large, causes surface damage or deformation, and affects the precision, if the position of the threaded hole rod 204 is not appropriate, it is fixed on the three-coordinate workbench through the flat groove 202 flat tongs clamping and other general fixtures, when the telescopic rod 203 drives the clamp base 1 to rise, the fixed sleeve 102 follows the clamp base 1 to rise through the two side connecting rods 101, fixes the flat tongs, prevents the flat tongs from falling off in the process of rising.

[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which should be limited only by the appended claims and their equivalents.

Claims

1. A jig for three-dimensional use comprising a jig base (1), characterized by, One side of the clamp base (1) is fixedly connected with a supporting assembly (2), and the other side of the clamp base (1) is fixedly installed with a clamping assembly (3); The supporting assembly (2) comprises a supporting rod (201), the supporting rod (201) is provided with a flat groove (202), one side of the supporting rod (201) is fixedly installed with an extension rod (203), one side of the extension rod (203) is connected to the clamp base (1), and the other side of the supporting rod (201) is fixedly connected with a threaded rod (204); The clamping assembly (3) comprises a clamp assembly (301), the clamp assembly (301) is installed with a screw (302), one side of the screw (302) is installed with a movable block (303), one side of the movable block (303) is fixedly installed with a clamping block (304), the other side of the movable block (303) is fixedly connected with a piston rod (305), one side of the piston rod (305) is fixedly connected with a piston block (306), the outer surface of the piston block (306) is slidably installed with a piston pipeline (307), one side of the piston pipeline (307) is fixedly communicated with a transmission pipeline (308), and one side of the transmission pipeline (308) is fixedly communicated with an air bag (309).

2. The three-coordinate fixture according to claim 1, wherein Both sides of the clamp base (1) are fixedly connected with connecting rods (101), both sides of the connecting rods (101) are fixedly connected with fixed sleeves (102), and the fixed sleeves (102) are slidably installed on the supporting rod (201).

3. The three-coordinate fixture according to claim 1, wherein One side of the screw (302) extends through the clamp assembly (301) and is connected with the clamp assembly (301).

4. The three-coordinate fixture according to claim 1, wherein The clamp assembly (301) is provided with a sliding groove, and the movable block (303) is provided with a sliding block at the lower end.

5. The three-coordinate fixture according to claim 1, wherein One side of the clamp assembly (301) is also provided with the clamping block (304), and one side of the clamping block (304) is fixedly connected with the air bag (309).

6. The three-coordinate fixture according to claim 1, wherein The piston pipeline (307) is arranged in the clamp assembly (301), one side of the transmission pipeline (308) extends through the clamping block (304) and is communicated with the air bag (309).

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