CN109773690B

CN109773690B - Fixing device for workpiece bonding

Info

Publication number: CN109773690B
Application number: CN201910139626.3A
Authority: CN
Inventors: 居冰峰; 饶梦琪
Original assignee: Suzhou Chaolai Precision Technology Co ltd
Current assignee: Suzhou Chuangshi Intelligent Technology Co ltd
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2024-05-14
Anticipated expiration: 2039-02-26
Also published as: CN109773690A

Abstract

The invention discloses a fixing device for workpiece adhesion, which comprises a clamping disc, an adjusting bolt, a fixing base, an adjusting screw, a fixing sliding block and an adhesion block, wherein the clamping disc is embedded with the adjusting disc through a protruding block and is connected with the adjusting disc through at least three adjusting bolts; the adjusting disc and the middle of the fixed base are clamped and fixed by using at least two adjusting screws; the fixed base and the adjusting disc are provided with at least three U-shaped grooves for installing the fixed sliding blocks; the fixed slide block is provided with a threaded hole for installing the threaded rod, the adhesive block is installed on the top surface of the threaded rod, and the fixed slide block is arranged in the U-shaped groove through a fastening bolt and a nut; the invention can realize complex surface bonding by changing the shape and the position of the bonding block, and can realize workpiece positioning by adjusting the adjusting bolt and the adjusting screw. Therefore, the fixing device plays an important role in improving the bonding quality of the workpiece.

Description

Fixing device for workpiece bonding

Technical Field

The invention relates to a fixing device, in particular to a fixing device for workpiece adhesion.

Background

Existing workpiece fixtures, such as three-jaw chucks, vacuum chucks, frozen trays, and the like. During clamping, the force applied to the workpiece is large, and the workpiece is easy to deform and even break. And the workpiece is adhered to the fixed disc by adopting an adhesion process, and then the fixed disc is clamped so as to achieve the purpose of fixing the workpiece, the positioning of the workpiece is difficult to ensure, the complex surface is difficult to fix, and the wax for adhesion is unevenly distributed when being smeared and irrigated.

Disclosure of Invention

The invention aims to solve the problems that the workpiece is difficult to position, the complex surface is difficult to fix, uneven smearing is caused in the process of adhering wax, and the like when the workpiece is adhered, and designs a fixing device capable of solving the problems.

The utility model provides a fixing device for work piece bonding, includes clamping disk, adjustment disk, unable adjustment base, at least three fixed slider and bonding piece, the adjustment disk passes through at least three adjusting bolt and clamping disk fixed connection, leave the space between clamping disk and the adjustment disk, the adjustment disk is upper shed hollow structure, fixed base cover is established in the hollow structure of adjustment disk and is pressed from both sides tightly fixedly through two at least adjusting screw of side end face, at least 3U-shaped grooves have been seted up to the radial average of unable adjustment base and adjustment disk, and fixed slider sets up the bottom of the adjustment disk that corresponds at the U-shaped groove and uses the nut fastening that has the gasket on unable adjustment base through the fastening bolt that wears to locate the U-shaped groove, still is equipped with the threaded rod that wears to locate the U-shaped groove on every fixed slider, the top of threaded rod is outstanding in unable adjustment base's top, there is bonding piece at the top through threaded connection.

Further, protruding blocks and grooves matched with the protruding blocks are respectively arranged at the centers of two opposite end faces of the clamping disc and the adjusting disc, and the protruding blocks are embedded in the grooves.

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

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

Further, the inner bottom surface center of the adjusting disc is provided with a protruding clamping strip, the inner bottom surface center of the fixing base is provided with a clamping groove which is clamped with the protruding clamping strip, and the fixing base and the adjusting disc are clamped with each other through the protruding clamping strip and the clamping groove.

The beneficial effects are that: the invention provides a fixing device for workpiece bonding, which has the following advantages in workpiece bonding: 1. the coaxiality of the round workpiece and the outer cylindrical surface of the fixed disc is within 5 mu m, the perpendicularity of the end face of the workpiece and the outer cylindrical surface of the fixed disc is within 5 mu m/100mm, and the problem that the workpiece is difficult to bond and position is solved; 2. the bonding of the plane, the spherical surface and the special-shaped curved surface can be realized, and the problem that the complex surface type is difficult to fix is solved; 3. the thickness difference of the adhesive wax after being smeared and irrigated is within 1 mu m, thereby solving the problem of uneven smearing and irrigating.

Drawings

FIG. 1 is an elevation view of a planar workpiece bonded using the apparatus of the present invention.

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

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

Fig. 4 is a longitudinal section of the connection of the clamping disk to the adjustment disk.

Fig. 5 is a longitudinal sectional view of the coupling of the adjustment plate to the stationary base.

FIG. 6 is a schematic view of the structure of the fixed slider fastened in the U-shaped groove.

Fig. 7 is an elevation view of a curved workpiece bonded using the apparatus of the present invention.

Fig. 8 is an oblique view of a curved workpiece bonded using the apparatus of the present invention.

In the figure: 1. a clamping plate; 2. an adjusting plate; 3. a fixed base; 4. a fixed slide block; 5. a coherent mass; 6. an adjusting bolt; 7. an adjusting screw; 8. a U-shaped groove; 9. a fastening bolt; 10. a nut; 11. a threaded rod; 12. a gasket; 13. a protruding block; 14. a groove; 15. a protruding clamping strip; 16. a clamping groove; 17. a first workpiece; 18. and a second workpiece.

Detailed Description

The invention is further described below in connection with specific embodiments, which are exemplary only and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes and substitutions of details and forms of the technical solution of the present invention may be made without departing from the spirit and scope of the present invention, but these changes and substitutions fall within the scope of the present invention.

Example 1

The utility model provides a fixing device for work piece bonding, as shown in fig. 1-6, includes clamping disk 1, adjustment disk 2, unable adjustment base 3, at least three fixed slider 4 and bonding piece 5, clamping disk 1 is with clamping device centre gripping such as three jaw chuck or vacuum chuck, adjustment disk 2 passes through at least three adjusting bolt 6 and clamping disk 1 fixed connection, leave the space between clamping disk 1 and the adjustment disk 2, adjustment disk 2 is the hollow structure of upper shed, unable adjustment base 3 cover is established in the hollow structure of adjustment disk 2 and is tightly fixed through the clamp of two at least adjusting screws 7 of side face, at least 3U-shaped grooves 8 have been offered to the radial average of unable adjustment base 3 and adjustment disk 2, and every fixed slider 4 sets up the bottom of adjustment disk 2 that corresponds at every U-shaped groove 7 and use the fastening bolt 9 that wears to locate U-shaped groove 8 on unable adjustment base 3, still is equipped with the 11 threaded rod that wears to locate U-shaped groove 8 on every fixed slider 4, the top of 11 is outstanding in unable adjustment base 3 top, 11 has the bonding piece through the screw thread 5 of bonding.

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

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

Or the inner surface of the groove 14 is magnetic, the outer surface of the protruding block 13 is made of iron, and the protruding block 13 and the groove 14 are connected through magnetic force.

The center of the inner bottom surface of the adjusting disc 2 is provided with a convex clamping strip 15, the center of the inner bottom surface of the fixed base 3 is provided with a clamping groove 16 which is clamped with the convex clamping strip 15, and the fixed base 3 and the adjusting disc 2 are clamped with the clamping groove 16 through the convex clamping strip 15.

The upper surface of the adhesive block 5 is coated with an adhesive wax for bonding the work piece. The adhesive block is coated with adhesive wax, the adhesive wax is uniformly coated by screw thread rotation during installation, and the workpiece is arranged on the adhesive block for adhesion and fixation. For complex curved surface fixation, can select different bonding block shapes, different threaded rod heights and fixed slider quantity and position, realize the location of complex curved surface. After the workpiece is bonded, the perpendicularity between the end face of the workpiece and the clamping and positioning surface is guaranteed through adjusting the adjusting bolt, and the coaxiality between the workpiece and the clamping and positioning surface is guaranteed through adjusting the adjusting screw.

Example 2 bonding planar workpieces

The melted adhesive wax is smeared on the surface of the adhesive block 5 and is rotationally and fixedly connected with the threaded rod 11 according to the thread direction, and the even distribution of the adhesive wax is ensured in the rotating process. After the fixing slide block 4, the fastening bolt 9, the gasket 12, the nut 10, the threaded rod 11 and the bonding block 4 are connected, the connecting block is moved into the U-shaped groove 8 and moved to a proper position, each U-shaped groove is respectively moved into one fixing slide block, the nut 10 is screwed, and the first workpiece 17 is bonded. After wax is cooled and shaped, the nut 10 is loosened, the adjusting screw 7 is adjusted, and after the coaxiality of the first workpiece 17 and the locating surface of the clamping disc 1 is adjusted, the nut 10 is screwed. The adjusting bolt 6 is adjusted to realize the adjustment of the perpendicularity between the end face of the first workpiece 17 and the locating face of the clamping disc 1. The whole structure after pasting is shown in figure 1.

Example 3 bonded curved workpiece

The melted adhesive wax is smeared on the surface of the adhesive block 4 and is rotationally and fixedly connected with the threaded rod 11 according to the thread direction, and the even distribution of the adhesive 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 adhesive blocks 4 are connected, the fixed sliding blocks, the threaded rods 11 and the adhesive blocks are moved into the U-shaped grooves 8 and move to proper positions, each U-shaped groove is respectively moved into 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 dimension of the workpiece, the nuts 10 are screwed, the second workpiece 18 is adhered, 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 locating surface of the clamping disc 1 is adjusted, the nuts 10 are screwed. And adjusting the adjusting bolt 6 to realize the adjustment of the perpendicularity between the end surface of the second workpiece 18 and the locating surface of the clamping disc. A schematic illustration of the paste is shown in fig. 6.

Claims

1. A fixing device for workpiece bonding, its characterized in that includes clamping disk, adjustment disk, unable adjustment base, at least three fixed slider and bonding piece, the adjustment disk passes through at least three adjusting bolt and clamping disk fixed connection, leave the space between clamping disk and the adjustment disk, the adjustment disk is upper shed hollow structure, fixed base cover is established in the hollow structure of adjustment disk and is pressed from both sides tightly fixed through two at least adjusting screw clamp of side end face, at least 3U-shaped grooves have been offered to radial average of unable adjustment base and adjustment disk, and fixed slider sets up the bottom of the adjustment disk that corresponds at the U-shaped groove and uses the nut fastening that has the gasket through the fastening bolt that wears to locate the U-shaped groove on unable adjustment slider, still is equipped with the threaded rod that wears to locate the U-shaped groove on every fixed slider, the top of threaded rod is outstanding in unable adjustment base's top, the top is equipped with bonding piece through threaded connection, two terminal surface centers relative of clamping disk and adjustment disk be equipped with protruding piece and with protruding piece assorted recess respectively, protruding piece gomphosis is in the recess, the inside bottom surface of adjustment card strip that the adjustment disk corresponds and the inside card strip of protruding card slot and the inside card slot that the card slot is equipped with.

2. A fixture for bonding workpieces as recited in claim 1, wherein said projection and recess are connected by an interference fit.

3. A fixing device for bonding workpieces according to claim 1, wherein the inner surface of the groove is magnetic, the outer surface of the protruding block is made of iron, and the protruding block and the groove are connected by magnetic force.