CN209954510U

CN209954510U - Fixing device for workpiece bonding

Info

Publication number: CN209954510U
Application number: CN201920237844.6U
Authority: CN
Inventors: 居冰峰; 饶梦琪
Original assignee: Suzhou Chaoyai Fine Engineering Technology Co Ltd
Current assignee: Suzhou Chaoyai Fine Engineering Technology Co Ltd
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2020-01-17
Anticipated expiration: 2029-02-26

Abstract

The utility model discloses a fixing device for workpiece bonding, which particularly comprises a clamping disk, an adjusting bolt, a fixed base, an adjusting screw, a fixed slider and a bonding block, wherein the clamping disk and the adjusting disk are embedded with a groove through a convex block and are connected by at least three adjusting bolts; the adjusting disc and the fixed base are mutually clamped and fixed by at least two adjusting screw clamps; at least three U-shaped grooves are formed on the fixed base and the adjusting disk for mounting the fixed sliding block; the fixed sliding block is provided with a threaded hole for installing a threaded rod, the bonding block is arranged on the top surface of the threaded rod, and the fixed sliding block is arranged in the U-shaped groove through a fastening bolt and a nut; the utility model discloses can realize the bonding of complicated face type through changing bonding block shape, position, adjust adjusting bolt and adjusting screw and realize the work piece location. Therefore, fixing device has played important effect to the improvement of work piece bonding quality.

Description

Fixing device for workpiece bonding

Technical Field

The utility model relates to a fixing device, concretely relates to a fixing device for work piece bonds.

Background

Existing workpiece fixtures, such as three-jaw chucks, vacuum chucks, freezing trays, and the like. When the clamping device is used for clamping, the force applied to the workpiece is large, and the workpiece is easy to deform greatly and even break. The workpiece is bonded on the fixed disc by adopting a bonding process, and then the fixed disc is clamped to achieve the purpose of fixing the workpiece, so that the positioning of the workpiece is difficult to ensure, the complex surface type is difficult to fix, and the bonding wax is unevenly distributed when being smeared and poured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at being difficult to the location when the work piece bonds, the complicated face type is difficult to fixed to and glue the wax and paint uneven scheduling problem on the way, design utility model a can solve the fixing device of above-mentioned problem.

A fixing device for bonding workpieces comprises a clamping disc, an adjusting disc, a fixed base, at least three fixed sliding blocks and a bonding block, the adjusting disc is fixedly connected with the clamping disc through at least three adjusting bolts, a gap is reserved between the clamping disc and the adjusting disc, the adjusting disc is a hollow structure with an upper opening, the fixed base is sleeved in the hollow structure of the adjusting disc and is fastened and fixed through at least two adjusting screws on the side end face, the fixed base and the adjusting disk are equally provided with at least 3U-shaped grooves in the radial direction, the fixed sliding blocks are arranged at the bottom of the adjusting disk corresponding to the U-shaped grooves and are fastened on the fixed base by fastening bolts with gaskets through the fastening bolts penetrating the U-shaped grooves, each fixed sliding block is also provided with a threaded rod penetrating the U-shaped groove, the top of the threaded rod protrudes out of the top surface of the fixed base, and the top of the threaded rod is connected with a bonding block through threads.

Furthermore, the centers of two opposite end faces of the clamping disc and the adjusting disc are respectively provided with a convex block and a groove matched with the convex block, and the convex blocks are embedded in the grooves.

Preferably, the protruding block and the groove are connected in an interference fit mode.

Preferably, the inner surface of the groove is provided with magnetism, the outer surface of the convex block is made of iron, and the convex block is connected with the groove through magnetic force.

Furthermore, the inside bottom surface center of adjustment dish is equipped with protruding card strip, unable adjustment base's inside bottom surface center is equipped with the draw-in groove with protruding card strip looks block, unable adjustment base and adjustment dish pass through protruding card strip and draw-in groove looks block.

Has the advantages that: the utility model provides a fixing device for work piece bonds, the device has following advantage in the work piece bonds: 1. the coaxiality of the circular workpiece and the outer cylindrical surface of the fixed disc is within 5 mu m, and the verticality of the end surface of the workpiece and the outer cylindrical surface of the fixed disc is within 5 mu m/100mm by adjusting the adjusting device, so that the problem of difficult positioning of the workpiece in bonding is solved; 2. the bonding can be carried out on a plane, a spherical surface and a special-shaped curved surface, so that the problem that the complex surface is difficult to fix is solved; 3. the thickness difference of the adhesive wax after being coated and poured is within 1 mu m, so that the problem of uneven coating and pouring is solved.

Drawings

Fig. 1 is a front view of a flat workpiece bonded using the apparatus of the present invention.

Fig. 2 is an oblique view of the fixing device of the present invention.

Fig. 3 is a top view of the fixing device of the present invention.

Fig. 4 is a longitudinal sectional view of the clamping plate in connection with the adjustment plate.

Fig. 5 is a longitudinal sectional view of the connection of the adjustment disk with the stationary base.

Fig. 6 is a schematic structural view of the fixed sliding block fastened in the U-shaped groove.

Fig. 7 is a front view of the device of the present invention after being used for bonding curved surface workpieces.

Fig. 8 is an oblique view of the device of the present invention after bonding a curved surface workpiece.

In the figure: 1. a clamping plate; 2. adjusting the disc; 3. a fixed base; 4. fixing the sliding block; 5. bonding the blocks; 6. adjusting the bolt; 7. adjusting screws; 8. a U-shaped groove; 9. fastening a bolt; 10. a nut; 11. a threaded rod; 12. a gasket; 13. a raised block; 14. a groove; 15. a raised clamping strip; 16. a card slot; 17. a first workpiece; 18. a second workpiece.

Detailed Description

The present invention is further described below with reference to specific examples, which are only exemplary and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications are intended to be included within the scope of the invention.

Example 1

A fixing device for workpiece bonding is disclosed, as shown in fig. 1-6, and comprises a clamping disk 1, an adjusting disk 2, a fixing base 3, at least three fixing sliders 4 and a bonding block 5, wherein the clamping disk 1 is clamped by a clamping device such as a three-jaw chuck or a vacuum chuck, the adjusting disk 2 is fixedly connected with the clamping disk 1 through at least three adjusting bolts 6, a gap is reserved between the clamping disk 1 and the adjusting disk 2, the adjusting disk 2 is a hollow structure with an upper opening, the fixing base 3 is sleeved in the hollow structure of the adjusting disk 2 and is clamped and fixed through at least two adjusting screws 7 on the side end surface, at least 3U-shaped grooves 8 are uniformly arranged in the radial direction of the fixing base 3 and the adjusting disk 2, each fixing slider 4 is arranged at the bottom of the adjusting disk 2 corresponding to each U-shaped groove 7 and is fastened on the fixing base 3 through a fastening bolt 9 penetrating through the U-shaped groove 8 by using a nut 10 with a gasket 12, each fixed sliding block 4 is also provided with a threaded rod 11 penetrating through the U-shaped groove 8, the top of the threaded rod 11 protrudes out of the top surface of the fixed base 3, and the top of the threaded rod 11 is connected with a bonding block 5 through threads.

The center of two opposite end surfaces of the clamping disc 1 and the adjusting disc 2 is respectively provided with a convex block 13 and a groove 14 matched with the convex block 13, and the convex block 13 is embedded in the groove 14.

The convex block 13 and the groove 14 are connected in an interference fit mode.

Or the inner surface of the groove 14 is provided with magnetism, the outer surface of the convex block 13 is made of iron, and the convex block 13 is connected with the groove 14 through magnetic force.

The inside bottom surface center of adjusting disk 2 is equipped with protruding card strip 15, unable adjustment base 3's inside bottom surface center is equipped with the draw-in groove 16 with protruding card strip 15 looks block, unable adjustment base 3 and adjusting disk 2 are through protruding card strip 15 and draw-in groove 16 looks block.

The upper surface of the bonding block 5 is coated with bonding wax for bonding workpieces. The bonding block is coated with bonding wax, the uniform coating of the bonding wax is ensured by the rotation of the thread during the installation, and the workpiece is arranged on the bonding block for bonding and fixing. For the fixation of the complex curved surface, different bonding block shapes, different threaded rod heights and the number and the positions of the fixed sliding blocks can be selected, so that the complex curved surface can be positioned. After the workpieces are bonded, the perpendicularity of the end face of the workpiece and the clamping positioning face is guaranteed by adjusting the adjusting bolt, and the coaxiality of the workpiece and the clamping positioning face is guaranteed by adjusting the adjusting screw.

EXAMPLE 2 bonding of planar workpieces

And molten bonding wax is coated on the surface of the bonding block 5, and is rotationally and fixedly connected with the threaded rod 11 according to the thread direction, so that the uniform distribution of the bonding wax is ensured in the rotating process. After the fixed sliding block 4, the fastening bolt 9, the gasket 12, the nut 10, the threaded rod 11 and the bonding block 4 are connected well, the fixed sliding block is moved into the U-shaped grooves 8 and moved to a proper position, each U-shaped groove is respectively moved into one fixed sliding block, the nut 10 is screwed, and the first workpiece 17 is bonded. And after the wax is cooled and shaped, loosening the nut 10, adjusting the adjusting screw 7, adjusting the coaxiality of the first workpiece 17 and the positioning surface of the clamping disc 1, and then screwing the nut 10. Adjusting the adjusting bolt 6 to realize the adjustment of the verticality of the end surface of the first workpiece 17 and the positioning surface of the clamping disc 1. The overall structure of the bonded product is shown in fig. 1.

EXAMPLE 3 bonding of curved workpieces

And molten bonding wax is coated on the surface of the bonding block 4, and is rotationally and fixedly connected with the threaded rod 11 according to the thread direction, so that the uniform distribution of the bonding wax is ensured in the rotating process. After the fixed sliding blocks 4, the fastening bolts 9, the gaskets 12, the nuts 10, the threaded rods 11 and the bonding blocks 4 are connected well, the fixed sliding blocks are moved into the U-shaped grooves 8 and moved to proper positions, each U-shaped groove is respectively moved into the two fixed sliding blocks, the heights of the threaded rods of the inner ring and the outer ring are properly adjusted according to the height size of a workpiece, the nuts 10 are screwed, the second workpiece 18 is bonded, after wax is cooled and shaped, the nuts 10 are loosened, the adjusting screws 7 are adjusted, and after the coaxiality of the second workpiece 18 and the positioning surface of the clamping disc 1 is adjusted, the nuts 10 are screwed. Adjusting the adjusting bolt 6 to realize the adjustment of the verticality of the end surface of the second workpiece 18 and the positioning surface of the clamping disc. The schematic diagram of the attachment is shown in fig. 6.

Claims

1. A fixing device for workpiece bonding is characterized by comprising a clamping disk, an adjusting disk, a fixing base, at least three fixing sliding blocks and a bonding block, wherein the adjusting disk is fixedly connected with the clamping disk through at least three adjusting bolts, a gap is reserved between the clamping disk and the adjusting disk, the adjusting disk is of a hollow structure with an upper opening, the fixing base is sleeved in the hollow structure of the adjusting disk and is fastened and fixed through at least two adjusting screw clamps on the side end face, at least 3U-shaped grooves are averagely formed in the radial directions of the fixing base and the adjusting disk, the fixing sliding blocks are arranged at the bottom of the adjusting disk corresponding to the U-shaped grooves and are fastened on the fixing base through fastening bolts penetrating through the U-shaped grooves by nuts with gaskets, a threaded rod penetrating through the U-shaped grooves is further arranged on each fixing sliding block, and the top of the threaded rod protrudes out of the top face of the fixing base, the top of the threaded rod is connected with a bonding block through threads.

2. The fixture for workpiece bonding as claimed in claim 1, wherein the opposite end faces of the clamping disk and the adjusting disk are provided with a protrusion and a groove matching with the protrusion at the center, respectively, and the protrusion is embedded in the groove.

3. A fixture for workpiece bonding as defined in claim 2 wherein the raised block and groove are connected by interference fit.

4. The fixture for workpiece bonding as set forth in claim 2, wherein the inner surface of said groove is magnetic, the outer surface of said projection is ferrous, and said projection and groove are magnetically connected.

5. The fixing device for workpiece bonding as claimed in claim 1, wherein the adjusting plate is provided with a protruding clamping strip at the center of the inner bottom surface, the fixing base is provided with a clamping groove at the center of the inner bottom surface, the fixing base and the adjusting plate are clamped by the protruding clamping strip and the clamping groove.