CN217394246U

CN217394246U - Assembly fixture with adjustable high accuracy

Info

Publication number: CN217394246U
Application number: CN202221315925.1U
Authority: CN
Inventors: 倪桂林; 叶建峰; 邵志军
Original assignee: Nantong Hongzhi Automobile Electronic Technology Co ltd
Current assignee: Nantong Hongzhi Automobile Electronic Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-09
Anticipated expiration: 2032-05-30

Abstract

The utility model belongs to via hole circle assembly field discloses an assembly fixture with adjustable high accuracy, including upper cover plate and die holder, the upper cover plate downside passes through the bolt fastening and has the fixed plate, it has a plurality of through-holes that are used for fixed last mould drift to open on the fixed plate, it has the recess to open in the middle of the die holder, the die holder both sides have the briquetting through the bolt fastening, fixedly connected with distance guide pillar between briquetting and the fixed plate, the briquetting, accurate location has the lower bolster in the draw-in groove that distance guide pillar and die holder formed, correspond the department with last mould drift on the lower bolster and be equipped with assembly devices, lower bolster one side is equipped with the cylinder that is used for promoting the lower bolster seesaw, the utility model discloses an go up mould drift and lower mould mold insert and be detachable construction, can assemble the circle of crossing of different products through changing last mould drift and lower mould mold insert, improved the utilization ratio of frock, increased production efficiency.

Description

Assembly fixture with adjustable high accuracy

Technical Field

The utility model belongs to via hole circle assembly field, concretely relates to assembly fixture with adjustable high accuracy.

Background

In the production assembly process, need to install all kinds of via hole circles, if not have specialized tool supplementary, the assembly is very difficult, current assembly methods adopt manual assembly more, the easy atress of via hole circle of artifical impressing is inhomogeneous, the support degree of depth of impressing is difficult to control, and once can't assemble a plurality of via hole circles, low efficiency, and the mode of artifical impressing exists inefficiency and damages the assembly work piece easily, the hidden danger of rubber ring, and the operation depends on personnel manual operation flexibility and needs to possess relevant skill, therefore, the assembly fixture with adjustable a high accuracy is urgently needed, adopt automatic assembly methods, come the degree of depth of impressing of accurate control via hole circle through the frock stroke, and simple structure, high durability and convenient use, high work efficiency, and the production is safer.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an assembly fixture with adjustable high accuracy, simple structure, convenient to use, work efficiency is high, and production is safer.

The utility model provides a technical scheme as follows:

a high-precision adjustable assembly fixture comprises an upper cover plate and a lower die holder, wherein a fixing plate is fixed on the lower side of the upper cover plate through bolts, a plurality of through holes for fixing an upper die punch are formed in the fixing plate, a groove is formed in the middle of the lower die holder, pressing blocks are fixed on two sides of the lower die holder through bolts, and a distance guide pillar is fixedly connected between each pressing block and the fixing plate;

accurate location has the lower bolster in the draw-in groove that briquetting, distance guide pillar and die holder formed, corresponds the department with last mould drift on the lower bolster and is equipped with assembly devices, and lower bolster one side is equipped with the cylinder that is used for promoting the lower bolster seesaw.

Furthermore, a hole is formed in the lower die plate below the upper die punch and used for placing the assembling mechanism.

Further, assembly devices is provided with the spring including the refill that is used for the suit to cross the hole circle, the below of refill, and the outside parcel of refill has the lower mould mold insert.

Furthermore, the bullet core is protruded out of the upper surface of the lower template, and the protruding height of the bullet core is the height of the through hole ring.

Furthermore, a notch is formed in the position, close to the upper surface of the lower template, of the lower mold insert, a lower mold pressing plate used for fixing the lower mold insert is arranged at the notch, and the lower mold pressing plate is movably fixed in the lower template through bolts.

Furthermore, notches are formed in the positions, close to the fixing plate, of the two sides of the upper die punch, an upper die pressing plate used for fixing the upper die punch is arranged at the notches, and the upper die pressing plate is movably fixed on the fixing plate through bolts.

Furthermore, a stroke adjusting screw is arranged on a push rod of the air cylinder 2.

To sum up, the beneficial effects of the utility model are that:

(1) the utility model discloses an it is detachable construction to go up mould drift and lower mould mold insert, can assemble the hole ring of crossing of different products through changing last mould drift and lower mould mold insert, has improved the utilization ratio of frock, has increased production efficiency.

(2) The utility model discloses a distance guide pillar has guaranteed that the product assembly is more accurate, uses the cylinder to release the template, avoids the workman to go deep into the mould with the hand, increases the security, and release and return distance that the lower bolster can be adjusted to the stroke control screw simultaneously make the product position more accurate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is the structural schematic diagram of the assembly mechanism of the present invention.

The reference numbers are as follows:

1. a stroke adjusting screw; 2. a cylinder; 3. an upper cover plate; 4. a fixing plate; 5. spacing guide pillars; 6. briquetting; 7. an upper die punch; 8. a lower die holder; 9. a lower template; 10. a lower die insert; 11. pressing plates of the lower die; 12. producing a product; 13. an upper die pressing plate; 14. a core of a bullet; 15. a spring; 16. And (4) a through hole ring.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be described in detail with reference to the following embodiments, which are only used to explain the present invention and do not constitute limitations to the scope of the present invention.

As shown in fig. 1-3, a high-precision adjustable assembly fixture comprises an upper cover plate 3 and a lower die holder 8, wherein a fixing plate 4 is fixed on the lower side of the upper cover plate 3 through bolts, a plurality of through holes for fixing an upper die punch 7 are formed in the fixing plate 4, a groove is formed in the middle of the lower die holder 8, pressing blocks 6 are fixed on two sides of the lower die holder 8 through bolts, a distance guide pillar 5 is fixedly connected between the pressing blocks 6 and the fixing plate 4, and the distance guide pillar 5 is used for positioning and fixing the fixing plate 4 and the lower die holder 8;

briquetting 6, accurate location has lower bolster 9 in the draw-in groove that distance guide pillar 5 and die holder 8 formed, can set up guide rail or gyro wheel between lower bolster 9 and the die holder 8, make die holder 8 can slide around the lower bolster 9, it has the hole to open with last mould drift 7 corresponding department on the lower bolster 9, be equipped with assembly devices in the hole, 9 one side of lower bolster is equipped with the cylinder 2 that is used for promoting the 9 seesaw of lower bolster, when putting into and taking out the product, release the template with the cylinder, avoid the workman to deepen the mould with the hand, increase the security, be equipped with stroke adjusting screw 1 on the push rod of cylinder 2, can the accurate release and the return distance of adjusting the lower bolster, make the product position more accurate.

In this embodiment, the assembling mechanism includes a core 14 for sleeving a through hole ring 16, a spring 15 is disposed below the core 14, the spring 15 is used for ejecting the core 14 after withdrawing the upper die punch 7, a lower die insert 10 is wrapped on the outer side of the core 14, and the lower die insert 10 is used for fixing the core 14 and fixing the assembling mechanism on the lower die base 8.

Preferably, the bullet core 14 protrudes from the upper surface of the lower template 9, and the protruding height of the bullet core 14 is greater than the height of the eyelet 16, so that an operator can conveniently place the eyelet 16 into the bullet core 14, and the working efficiency is improved.

In some embodiments, the lower mold insert 10 is provided with a notch near the upper surface of the lower mold plate 9, a lower mold pressing plate 11 for fixing the lower mold insert 10 is disposed at the notch, the lower mold pressing plate 11 is movably fixed in the lower mold plate 9 through a bolt, the lower mold insert 10 is changed into a detachable structure by the arrangement of the lower mold pressing plate 11, and the lower mold insert 10 can be detached and replaced only by unscrewing the nut to remove the lower mold pressing plate 11, so as to adapt to different products, improve the utilization rate of the tool, and increase the production efficiency.

In some embodiments, the two sides of the upper die punch 7 are provided with notches near the fixing plate 4, the notches are provided with upper die pressing plates 13 for fixing the upper die punch 7, the upper die pressing plates 13 are movably fixed on the fixing plate 4 through bolts, the upper die pressing plates 13 are arranged to change the upper die punch 7 into a detachable structure, and the upper die punch 7 can be detached and replaced only by unscrewing the nuts and removing the upper die pressing plates 13, so that the upper die punching plates can adapt to different products, the utilization rate of the tool is improved, and the production efficiency is increased.

The utility model discloses the theory of operation as follows:

firstly, starting the cylinder 2 to push out the lower template 9 to prevent an operator from putting hands deep into the die and improve production safety, then placing the product 12 on the lower template 9, placing a hole position needing to be assembled with the hole passing ring 16 into the elastic core 14, then placing the hole passing ring 16 into the elastic core 14, accurately fixing the product on the lower template 9 through the elastic core 14, returning the cylinder 2, transferring the stroke adjusting screw 1 to align the elastic core 14 with the upper die punch 7, then starting the upper die punch 7 to move downwards, pressing the lower die insert 10 and the elastic core 14 into the hole passing ring 16 through the upper die punch 7 to assemble the hole passing ring 16 on the product 12, completing the assembling process of the whole product hole passing ring 16, then moving the upper die punch 7 away, then automatically resetting the spring 15, jacking the elastic core 14, ejecting the product 12, then starting the cylinder 2 to push out the lower template 9, and taking out the product 12 by the operator to complete the whole process.

If the products 12 need to be replaced for assembly, the upper die pressing plate 13 and the lower die pressing plate 11 only need to be unscrewed, the upper die punching head 7 and the lower die insert 10 are taken out, the upper die punching head 7 and the lower die insert 10 with corresponding specifications are replaced, and then the nuts are screwed down, so that the products 12 with different specifications can be assembled.

It is to be understood that the implementations not shown or described in the drawings or in the text of this specification are in a form known to those skilled in the art and are not described in detail. Furthermore, the above definitions of the various elements and methods are not limited to the specific structures, shapes, or configurations shown in the examples.

It is also noted that the illustrations herein may provide examples of parameters that include particular values, but that these parameters need not be exactly equal to the corresponding values, but may be approximated to the corresponding values within acceptable error tolerances or design constraints. Directional phrases used in the embodiments, such as those referring to "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer only to the orientation of the drawings and are not intended to limit the scope of the present application.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The high-precision adjustable assembly fixture comprises an upper cover plate (3) and a lower die holder (8), and is characterized in that a fixing plate (4) is fixed to the lower side of the upper cover plate (3) through bolts, a plurality of through holes for fixing an upper die punch (7) are formed in the fixing plate (4), a groove is formed in the middle of the lower die holder (8), pressing blocks (6) are fixed to two sides of the lower die holder (8) through bolts, and a distance guide pillar (5) is fixedly connected between each pressing block (6) and the fixing plate (4);

the accurate location has lower bolster (9) in the draw-in groove that briquetting (6), distance guide pillar (5) and die holder (8) formed, correspond department on lower bolster (9) and last mould drift (7) and be equipped with assembly devices, lower bolster (9) one side is equipped with cylinder (2) that are used for promoting lower bolster (9) seesaw.

2. The high-precision adjustable assembly tool according to claim 1, wherein a hole is formed in the lower template (9) below the upper die punch (7), and the hole is used for placing an assembly mechanism.

3. The high-precision adjustable assembly tool according to claim 2, characterized in that the assembly mechanism comprises a core (14) for sleeving a through hole ring (16), a spring (15) is arranged below the core (14), and a lower die insert (10) is wrapped on the outer side of the core (14).

4. The high-precision adjustable assembly tool according to claim 3, characterized in that the elastic core (14) protrudes out of the upper surface of the lower template (9), and the protruding height of the elastic core (14) is greater than the height of the through hole ring (16).

5. The high-precision adjustable assembling tool according to claim 4, wherein the lower die insert (10) is provided with a notch at a position close to the upper surface of the lower template (9), a lower pressing plate (11) for fixing the lower die insert (10) is arranged at the notch, and the lower pressing plate (11) is movably fixed in the lower template (9) through bolts.

6. The high-precision adjustable assembly tool according to claim 1, wherein notches are formed in the positions, close to the fixing plate (4), of two sides of the upper die punch (7), an upper die pressing plate (13) used for fixing the upper die punch (7) is arranged at the notches, and the upper die pressing plate (13) is movably fixed on the fixing plate (4) through bolts.

7. The high-precision adjustable assembly tool according to claim 1, wherein a stroke adjusting screw (1) is arranged on a push rod of the air cylinder (2).