CN217412085U

CN217412085U - Blank holder structure of automobile high-strength plate drawing die

Info

Publication number: CN217412085U
Application number: CN202220082895.8U
Authority: CN
Inventors: 唐文强
Original assignee: Changchun Faw Sihuan Tianli Machinery Manufacturing Group Co ltd
Current assignee: Changchun Sihuan Tianli Machinery Manufacturing Group Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-09-13
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a blank holder structure of car high-strength board deep-drawing mould, including the board, middle and upper end fixed mounting has lower mould platform in the board, and on the board respectively an organic whole be connected with bearing truss and four guide bars, the pneumatic cylinder is installed to the bolt in the bearing truss. The utility model discloses a set up the lower mould platform that is used for placing tensile mould on the board, through set up the flexible traction piece of level on the guide bar outside the lower mould platform, and set up the guide slider by powerful spring elastic support in the position of traction piece both sides, through connecting the traction push rod between guide slider and traction piece, utilize the traction push rod to drive the stop pin and pull and support, make the stop pin when extending to the lower mould platform in the cover locate in the tensile mould, realize spacing fixedly; the vertical bearing truss and the guide rods are arranged, and the blank pressing strips which move up and down stably along with the upper die table are used for compacting the edge ring of the stretching die in the lower die table uniformly and tightly.

Description

Blank holder structure of automobile high-strength plate drawing die

Technical Field

The utility model relates to a car high-strength plate grinding apparatus processing technology field especially relates to a blank holder structure of car high-strength plate deep-drawing mould.

Background

In recent years, with the improvement of economic development level and industrial manufacturing technology level, the popularization rate of automobiles is higher and higher, and the high-strength plate as an important component in the automobile has a certain influence on the safe driving of the automobile. The blank holder of the existing automobile high-strength plate deep drawing die is the same as the blank holder of the ordinary deep drawing die in structure, the arrangement mode that the blank holder is arranged on the male die and the geometric dimension of the plane of the blank holder is overlapped with the male die is adopted, and the structure is adopted. However, due to the limitation of the traditional stamping technology, the height and the size of the stamped part after forming are large, the closing height of the die is high, the structural balance of the die in deep drawing forming is poor, and the adaptive pressure ratio of the high-strength plate die machine tool is large, so that the strength of the die is reduced.

By patent application number CN 201720916400.6's a blank holder structure of car high-strength board deep-drawing mould, it includes: upper die base, die holder, terrace die and blank holder, wherein: the blank holder is internally arranged in the lower die seat and embedded on the male die, blank holder guide plates are longitudinally arranged on four inner walls of the lower die seat, the blank holder is in sliding contact connection with the blank holder guide plates, and the male die is longitudinally guided by the blank holder guide plates. The upper die holder and the lower die holder are hinged, so that the upper die holder and the lower die holder are closed by deflecting the upper die holder. And the drawing die in the lower die base is easy to tilt and shift or even curl due to lack of related limiting function and difference of stress parts in the process, so that asymmetrical and untight production accidents are easy to occur in the process of compacting the edge ring of the drawing die.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that is difficult to carry out blank pressing processing to the tensile mould of high-strength board among the prior art, and the blank holder structure of the car high-strength board deep-drawing mould that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a blank holder structure of a deep drawing die for a high-strength plate of an automobile comprises a machine table, wherein a lower die table is fixedly arranged at the upper end of the machine table, and the machine platform is respectively and integrally connected with a bearing truss and four guide rods, a hydraulic cylinder is arranged on a bolt in the bearing truss, the output end of the hydraulic cylinder is fixedly connected with an upper die table which is sleeved on the guide rod in a sliding manner, the outer walls of the two sides of the lower die table are integrally connected with limiting rods, and the limiting rod is slidably sleeved with a traction piece, the outer wall of the lower die table is provided with two guide grooves, and the two guide grooves are respectively provided with a strong spring and a guide slide block which are connected with each other, a traction push rod is connected between the traction piece and the guide slide block, the side wall of the lower die table is provided with a sliding groove, and the sliding sleeve is provided with a limit bolt which is pulled by a traction push rod and can limit the stretching die, and the lower end of the upper die table is integrally connected with a blank holder.

Preferably, the bearing truss is longitudinally connected to two end positions of the machine platform, and the four guide rods are symmetrically distributed at two side positions of the machine platform.

Preferably, the hydraulic cylinder is vertically installed, and the upper die table and the lower die table which are horizontally arranged correspond to each other up and down.

Preferably, two guide grooves are symmetrically distributed at two sides of the limiting rod, the powerful spring is horizontally welded in one end of each guide groove, and the guide sliding block is slidably sleeved in the guide grooves.

Preferably, two ends of the traction push rod are respectively connected with the traction piece and the guide slide block through pin shafts, and the sliding groove is horizontally formed.

Preferably, the traction push rod is integrally connected with a traction pin bolt, and the limit bolt is provided with a traction long hole which is sleeved with the traction pin bolt in a sliding manner.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up the lower mould platform that is used for placing tensile mould on the board, through set up the flexible piece that pulls that can go up the level at the guide bar in the lower mould platform outside to drawing a both sides position and setting up the direction slider by powerful spring elastic support, through being connected between direction slider and the piece of pulling and pulling the push rod, utilize and pull the push rod and drive the stop cock and pull the support, make the stop cock overlap when extending to in the lower mould platform locate tensile mould, realize spacing fixed.

2. The utility model discloses set up longitudinal distribution's bearing truss and guide bar on the board, set up the last mould platform that reciprocates by the pneumatic cylinder drive at the guide bar, utilize along with the steady blank holder strip that reciprocates of last mould platform to carry out even inseparable compaction to the drawing die rim in the lower mould platform.

To sum up, the utility model discloses a set up the bed die platform that is used for placing the drawing mould on the board, through set up the flexible traction piece of level on the guide bar outside the bed die platform, and set up the guide slider by powerful spring elastic support in the position of traction piece both sides, through connecting the traction push rod between guide slider and traction piece, utilize the traction push rod to drive the stop pin and pull and support, make the stop pin when extending to the bed die platform in the cover locate in the drawing mould, realize spacing and fix; the device is characterized in that a bearing truss and a guide rod which are longitudinally distributed are arranged, an upper die table which is driven by a hydraulic cylinder to move up and down is arranged on the guide rod, and a blank holder which can move up and down stably along with the upper die table is used for compacting a drawing die edge ring in the lower die table uniformly and tightly.

Drawings

Fig. 1 is a schematic structural view of a blank holder structure of an automobile high-strength plate drawing die provided by the utility model;

fig. 2 is a bottom view of the blank holder structure of the deep drawing die for the high-strength plate of the automobile provided by the utility model;

fig. 3 is a cross-sectional view of a blank holder structure of the deep drawing die for the high-strength plate of the automobile, which is provided by the utility model;

fig. 4 is an enlarged schematic view of a part a of the structure of the blank holder of the deep drawing die for the high-strength plate of the automobile.

In the figure: the device comprises a machine table 1, a lower die table 2, a bearing truss 3, a guide rod 4, a hydraulic cylinder 5, limiting rods 6 and 7, a guide groove 8, a traction piece 9, a strong spring 10, a guide sliding block 11, a traction push rod 12, a sliding groove 13, a limiting bolt 14, a traction pin bolt 15, a traction long hole 16 and a blank pressing strip 17.

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.

Referring to fig. 1-4, a blank holder structure of a high-strength plate drawing die for an automobile comprises a machine table 1, a lower die table 2 is fixedly installed at the upper end of the machine table 1, it should be noted that a notch structure for placing a drawing die is arranged in the lower die table 2, through holes corresponding to limit bolts 14 are arranged at two sides of the drawing die, so that the limit bolts 14 sleeved in the through holes can limit and fix the drawing die, a bearing truss 3 and four guide rods 4 are respectively and integrally connected on the machine table 1, a hydraulic cylinder 5 is installed in the bearing truss 3 by bolts, the hydraulic cylinder 5 adopts a linear servo push rod with the model of RM-SLA, the output end of the hydraulic cylinder 5 is fixedly connected with an upper die table 6 slidably sleeved on the guide rods 4, and the upper die table 6 is driven to move up and down in the vertical direction, so as to realize the processing operation of the drawing die by the upper die table 6 and the lower die table 2, the outer walls of two sides of the lower die table 2 are integrally connected with a limiting rod 7, the limiting rod 7 is slidably sleeved with a traction piece 9, the outer wall of the lower die table 2 is provided with two guide grooves 8, the two guide grooves 8 are respectively provided with a strong spring 10 and a guide slide block 11 which are connected with each other, a traction push rod 12 is connected between the traction piece 9 and the guide slide block 11, the side wall of the lower die table 2 is provided with a chute 13, the chute 13 is slidably sleeved with a limit bolt 14 which is pulled by the traction push rod 12 and can limit the stretching die, as can be seen particularly by referring to the attached figure 1 and the attached figure 4 of the specification, under the tension of the strong spring 10, the guide slide block 11 can slide in the guide chute 8, so as to pull the limit bolt 14 through the traction push rod 12, so that the limit bolt 14 is contracted towards the lower die table 2, and further limit and fix the stretching die, and can effectively avoid the downward inclination and displacement of the stretching die under the pressing action of the blank holder 17, the lower end of the upper die table 6 is integrally connected with a blank holder 17, and the blank holder 17 can uniformly apply pressure to the edge ring part on the stretching die in the downward moving process, so that the edge rings at the two sides of the stretching die are symmetrically tightened.

The bearing truss 3 longitudinal connection is in 1 both ends position of board, and four guide bar 4 symmetric distribution in 1 both sides position of board, utilizes guide bar 4 can lead spacingly to last moulding stage 6 and the blank holder 17 that reciprocate, ensures the balance of last moulding stage 6 for the blank holder 17 can carry out the uniform pressure to the border on the tensile mould.

The pneumatic cylinder 5 is vertically installed, the upper die table 6 and the lower die table 2 which are horizontally arranged vertically correspond to each other, the upper die table 6 drives the blank holder 17 to vertically move downwards under the driving action of the pneumatic cylinder 5, and the situation that the rims at different positions on the stretching die are stressed differently is avoided.

Two direction recess 8 symmetric distribution are in the position of gag lever post 7 both sides, and strong spring 10 horizontal welding is in direction recess 8 one end, and guide slide 11 slip cap locates in direction recess 8, can make stop bolt 14 carry out effective spacing to the drawing die utensil under strong spring's 10 tension.

Two ends of the traction push rod are respectively connected with the traction piece 9 and the guide slide block 11 through pin shafts, the sliding groove 13 is horizontally formed, and the limit bolt 14 can be guided and limited by the sliding groove 13, so that the limit bolt 14 is accurately sleeved in a through hole of the stretching die.

The traction push rod 12 is integrally connected with a traction pin bolt 15, a traction long hole 16 which is sleeved with the traction pin bolt 15 in a sliding mode is formed in the limit bolt 14, the traction push rod 12 moves along with the traction piece 9 and the guide sliding block 11, the limit bolt 14 can be synchronously supported, and the limit bolt 14 can move in a telescopic mode.

The utility model discloses its functional principle is explained to the following mode of operation of accessible:

drawing the drawing member 9 outward so that the stopper pins 14 extend outward of the lower die table 2 to facilitate placing of the drawing die in the lower die table 2;

under the tension action of a strong spring 10, a guide slide block 11 horizontally slides in a guide sliding groove 8, the guide slide block 11 drives a traction piece 9 to horizontally slide on a limiting rod 7 through a traction push rod 12, and in the deflection movement process of the traction push rod 12, a traction pin bolt 15 in a traction long hole 16 drives a limiting bolt 14 to horizontally move in a sliding groove 13, so that the limiting bolt 14 is sleeved on a stretching die to limit and fix the stretching die;

the hydraulic cylinder 5 is controlled to be opened on the bearing truss 3, the output end of the hydraulic cylinder 5 drives the upper die table 6 to vertically move downwards on the four guide rods 4 until the upper die table 6 drives the blank pressing strip 17 to tightly compact the edge ring part of the stretching die.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The blank holder structure of the automobile high-strength plate deep drawing die comprises a machine table (1) and is characterized in that a lower die table (2) is fixedly installed at the middle upper end of the machine table (1), a bearing truss (3) and four guide rods (4) are respectively and integrally connected onto the machine table (1), a hydraulic cylinder (5) is installed on the bearing truss (3) through a bolt, an upper die table (6) which is sleeved on the guide rods (4) in a sliding manner is fixedly connected to the output end of the hydraulic cylinder (5), limiting rods (7) are integrally connected onto the outer walls of the two sides of the lower die table (2), a traction piece (9) is sleeved onto the limiting rods (7) in a sliding manner, two guide grooves (8) are formed in the outer wall of the lower die table (2), strong springs (10) and guide sliders (11) which are connected are arranged in the two guide grooves (8), and a traction push rod (12) is connected between the traction piece (9) and the guide sliders (11), a sliding groove (13) is formed in the side wall of the lower die table (2), a limiting bolt (14) which can limit the stretching die by being pulled by a traction push rod (12) is sleeved in the sliding groove (13), and a blank pressing strip (17) is integrally connected to the lower end of the upper die table (6).

2. The blank holder structure of the automobile high-strength plate deep-drawing die as claimed in claim 1, wherein the bearing truss (3) is longitudinally connected to two end positions of the machine table (1), and the four guide rods (4) are symmetrically distributed at two side positions of the machine table (1).

3. The blank holder structure of the automobile high-strength plate deep drawing die as claimed in claim 1, wherein the hydraulic cylinder (5) is vertically installed, and the horizontally arranged upper die table (6) corresponds to the lower die table (2) up and down.

4. The blank holder structure of the automobile high-strength plate deep drawing die is characterized in that the two guide grooves (8) are symmetrically distributed at two sides of the limiting rod (7), the strong spring (10) is horizontally welded in one end of the guide groove (8), and the guide sliding block (11) is slidably sleeved in the guide groove (8).

5. The blank holder structure of the automobile high-strength plate deep drawing die is characterized in that two ends of the traction push rod are respectively connected with the traction piece (9) and the guide slide block (11) through pin shafts, and the sliding groove (13) is horizontally formed.

6. The blank holder structure of the automobile high-strength plate deep drawing die as claimed in claim 5, wherein a towing pin bolt (15) is integrally connected to the towing push rod (12), and a towing long hole (16) which is sleeved with the towing pin bolt (15) in a sliding manner is formed in the limit bolt (14).