CN210333989U

CN210333989U - Novel stable hexagon mould in location of FFU

Info

Publication number: CN210333989U
Application number: CN201920813335.3U
Authority: CN
Inventors: 李铁斌
Original assignee: Qisheng Purification Technology Kunshan Co ltd
Current assignee: Qisheng Purification Technology Kunshan Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-17
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a novel stable hexagon mould in location of FFU, including last mould and lower mould, the last fixed surface of lower mould is connected with the die holder, install the die mold insert in the die holder, the bottom sliding connection of the inner wall of die mold insert has the drawing of patterns thimble, lower mould and external drawing of patterns equipment fixed connection are worn out to the bottom of drawing of patterns thimble, two guide posts of the last fixed surface of lower mould are connected with, two guiding holes have been seted up on the mould of last mould, go up the mould through the surface of two guide post sliding connection at two guide posts. The utility model discloses an above-mentioned isotructure's cooperation has realized using regular hexagon to rivet the nut hole site and has improved when riveting the nut security, carries out accurate location and improves and rivet nut production quality.

Description

Novel stable hexagon mould in location of FFU

Technical Field

The utility model relates to a rivet nut technical field specifically is a novel stable hexagon mould in location of FFU.

Background

The rivet nut is also called as rivet nut and pull cap, is used in the fastening field of various metal plate, pipe and other manufacturing industries, and is widely used in the assembly of electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, decoration and the like. The novel riveting tool is developed for overcoming the defects that a welding nut of a metal sheet and a thin pipe is easy to melt, a base material is easy to weld and deform, an internal thread is easy to slip, and the like. The existing rivet nut hole is in the original shape, and the rivet nut also adopts the original shape. The phenomena of self rotation, looseness and the like of the riveting nut can be easily caused in mass production. The safety of later-stage box body carrying is influenced. According to the practical use condition, a hexagonal mould is developed, the rivet nut hole positions are hexagonal,

the rivet nut is not easy to loosen after being fixed, and even if loosening occurs, the phenomenon of rotation cannot occur. The production efficiency and the safety are greatly improved. Traditional rivet nut production mould is when using, and the location is accurate inadequately, has leaded to die insert and the accurate cooperation of punching press terrace die can not satisfy simultaneously, and rivet nut blank, die insert and the not same axiality of punching press terrace die position influence production quality, are difficult to satisfy the user demand of riveting the nut.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable hexagon mould in novel location of FFU possesses when using regular hexagon rivet nut hole site to improve the rivet nut security, carries out the advantage that accurate location improves rivet nut production quality, has solved the inconvenient use of traditional rivet nut, and the relatively poor problem of quality when mould production.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel stable hexagon mould in location of FFU, includes mould and lower mould, the last fixed surface of lower mould is connected with the die holder, install the die insert in the die holder, the bottom sliding connection of the inner wall of die insert has the drawing of patterns thimble, lower mould and external drawing of patterns equipment fixed connection are worn out to the bottom of drawing of patterns thimble, two guide posts of last fixed surface of lower mould are connected with, two guiding holes have been seted up on the mould of last mould, go up the mould through the surface of two guide hole sliding connection at two guide posts, go up the first upper die base of the fixed surface of mould, install the punching press terrace die in the first upper die base, the lower fixed surface of first upper die base is connected with the second upper die base.

Preferably, the upper surface of the lower die holder is fixedly connected with two limiting columns, and the two limiting columns are distributed along the symmetry axis of the lower die holder in a bilateral symmetry manner.

Preferably, the tops of the two limiting columns are fixedly connected with positioning columns.

Preferably, the upper die and the second upper die base are both provided with two positioning holes, and the positioning columns are connected in the positioning holes in a sliding manner.

Preferably, the cross section of the riveting nut hole site of the female die insert is regular hexagon.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a set up regular hexagon and rivet the nut hole site, such rivet difficult not hard up after the nut is fixed, even appear not hard up phenomenon that can not appear the rotation yet. The production efficiency and the safety are greatly improved.

Two, the utility model discloses a set up spacing post, reference column and locating hole, spacing post plays spacing effect, when making last mould area punching press convex die punching press tooth, the second upper die base receives the limiting displacement of spacing post, it stops down to go up the mould, the reference column is less than with the fit clearance of locating hole for mm, accurate direction through the reference column, when avoiding die mold insert and punching press convex die precision fit to satisfy simultaneously, take place to interfere, the riveting nut blank has been guaranteed, the axiality of die mold insert and punching press convex die position, the forming quality of riveting nut has effectively been improved.

Drawings

FIG. 1 is a front view of the present invention;

figure 2 is the utility model discloses die mold insert top view.

In the figure: 1-upper die, 2-lower die, 3-lower die holder, 4-female die insert, 5-demoulding thimble, 6-guide column, 7-guide hole, 8-first upper die holder, 9-punching male die, 10-second upper die holder, 11-spacing column, 12-positioning column, 13-positioning hole and 14-riveting nut blank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a stable hexagon mould in novel location of FFU, includes mould 1 and lower mould 2, and the last fixed surface of lower mould 2 is connected with die holder 3, installs die insert 4 in the die holder 3, and the cross section of 4 rivet nut hole sites of die insert is regular hexagon, and such rivet nut is difficult not hard up after fixed, even appear not hard up the phenomenon that can not appear the rotation yet. Production efficiency and security have been promoted greatly, the bottom sliding connection of the inner wall of die mold insert 4 has drawing of patterns thimble 5, the bottom of drawing of patterns thimble 5 is worn out lower mould 2 and external drawing of patterns equipment fixed connection, after riveting nut blank 14 suppression profile of tooth is accomplished, go up mould 1 and go upward, drawing of patterns thimble 5 is driven down the hexagonal riveting nut ejection die insert 4 after the shaping in external drawing of patterns equipment, the last fixed surface of lower mould 2 is connected with two guide posts 6, two guiding holes 7 have been seted up on the mould of last mould 1, go up mould 1 through two guide holes 7 sliding connection on the surface of two guide posts 6, two guide posts 6 play the effect of direction, the lower fixed surface of going up mould 1 is connected with first upper die base 8, install punching press terrace die 9 in the first upper die base 8, the lower fixed surface of first upper die base 8 is connected with second upper die base 10. The upper surface of the lower die holder 3 is fixedly connected with two limiting columns 11, the two limiting columns 11 are distributed along the symmetry axis of the lower die holder 3 in bilateral symmetry, the limiting columns 11 play a limiting role, when the upper die 1 drives the stamping male die 9 to stamp teeth, the second upper die holder 10 is limited by the limiting posts 11, the upper die 1 stops moving downwards, the tops of the two limiting posts 11 of the second upper die holder 10 are fixedly connected with positioning posts 12, the upper die 1 and the second upper die holder 10 are respectively provided with two positioning holes 13, the positioning posts 12 are connected in the positioning holes 13 in a sliding manner, the fit clearance between the positioning posts 12 and the positioning holes 13 is less than 0.1mm, by the accurate guiding of the positioning column 12, the situation that when the precise matching of the female die insert 4 and the stamping male die 9 cannot be met simultaneously is avoided, interference occurs, the coaxiality of the positions of the rivet nut blank 14, the female die insert 4 and the stamping male die 9 is ensured, and the forming quality of the rivet nut is effectively improved.

The working principle is as follows: when this novel stable hexagon mould in location of FFU uses, in operation, it is down along two guide posts 6 to go up mould 1, take stamping male die 9 to insert in the die insert 4, accurate direction through reference column 12, press forming is carried out to rivet nut blank 14 in the die insert 4, second upper die base 10 receives the limiting displacement of spacing post 11, it stops down to go up mould 1, when the die sinking is accomplished in the punching press, it takes stamping male die 9 to extract in the die insert 4 to go up the mould, if the work piece is detained in the die insert 4, then drive drawing of patterns thimble 5 if the press by external drawing of patterns equipment, in the ejecting die insert 4 of hexagon rivet nut after will forming, when realizing using regular hexagon rivet nut hole site to improve the rivet nut security, carry out accurate location and improve the effect of rivet nut production quality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel stable hexagon mould in location of FFU, includes mould (1) and lower mould (2), its characterized in that: the upper surface of the lower die (2) is fixedly connected with a lower die base (3), a concave die insert (4) is arranged in the lower die base (3), the bottom of the inner wall of the female die insert (4) is connected with a demoulding thimble (5) in a sliding way, the bottom of the demoulding thimble (5) penetrates out of the lower die (2) to be fixedly connected with external demoulding equipment, the upper surface of the lower die (2) is fixedly connected with two guide posts (6), the upper die of the upper die (1) is provided with two guide holes (7), the upper die (1) is connected on the surfaces of the two guide columns (6) in a sliding way through the two guide holes (7), the lower surface of the upper die (1) is fixedly connected with a first upper die holder (8), a stamping male die (9) is installed in the first upper die holder (8), and a second upper die holder (10) is fixedly connected to the lower surface of the first upper die holder (8).

2. The hexagonal mold of claim 1, wherein the FFU comprises: the upper surface of the lower die holder (3) is fixedly connected with two limiting columns (11), and the two limiting columns (11) are distributed along the symmetry axis of the lower die holder (3) in a bilateral symmetry manner.

3. The hexagonal mold of claim 2, wherein the FFU comprises: the tops of the two limiting columns (11) are fixedly connected with positioning columns (12).

4. The hexagonal mold of claim 3, wherein the FFU comprises: two positioning holes (13) are formed in the upper die (1) and the second upper die base (10), and the positioning columns (12) are connected in the positioning holes (13) in a sliding mode.

5. The hexagonal mold of claim 1, wherein the FFU comprises: the cross section of the rivet nut hole position of the female die insert (4) is in a regular hexagon shape.