CN210387010U

CN210387010U - Section bar processing die

Info

Publication number: CN210387010U
Application number: CN201921006740.0U
Authority: CN
Inventors: 王兴才; 张春晓
Original assignee: Suzhou Yuande Precision Technology Co ltd
Current assignee: Suzhou Yuande Precision Technology Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-04-24
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to an industrial mold technical field, specific section bar mold processing that says so, including last mould, bed die, central module and guide die, it is provided with the material mouth to go up the mould middle part, the material mouth runs through the mould, install the central module that is used for fixed guide die in the material mouth, central module is connected with last mould integral type, the material mouth is cruciform structure, central module integral type is established inside cross material mouth, not only can fix the guide die, compares with prior art the resistance of aluminium bar when also can reducing aluminium bar extrusion feeding, the beneficial effects of the utility model are that: the utility model provides a section bar mold processing is through setting up the lower mould cooperation to set up the guide die in the mould and optimize the membrane hole, make casing subassembly can integrated into one piece, realize exempting from to weld, improve production efficiency.

Description

Section bar processing die

Technical Field

The invention relates to the technical field of industrial dies, in particular to a section processing die.

Background

The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. Present precious casing that charges is mostly oblate structure, and the casing is a lot of to splice the shaping, accomplishes punching press integrated into one piece very hardly, and structural strength is poor and need grind processes such as flat polishing after the splice, and production efficiency is low.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides the section processing die, and the shell assembly can be integrally formed by arranging the upper die and the lower die in a matched manner, arranging the guide die in the die and optimizing the film holes, so that welding is avoided, and the production efficiency is improved.

The technical scheme adopted by the invention for solving the technical problems is as follows:

section bar mold processing, including last mould, bed die, central module and guide die, it is provided with the material mouth to go up the mould middle part, the material mouth runs through the mould, install the central module that is used for fixed guide die in the material mouth, central module and last mould integral type are connected, the material mouth is cruciform structure, central module integral type is established inside the cross material mouth, not only can fix guide die, to the resistance of aluminium bar when also can reducing aluminium bar extrusion feeding.

The position that the lower mould corresponds the material mouth corresponds and is provided with the material mouth groove, the position that material mouth tank bottoms portion corresponds the guide die is equipped with the guide die hole that is used for the guide die to penetrate, the hole edge that leads the die hole sets up to the chamfer structure, corresponds to be equipped with the guide die step on the guide die that leads the die hole, the clearance between guide die step and the chamfer forms the crowded passageway of aluminium, and the high temperature aluminum product cools off into fixed shape after passing through the passageway shaping.

Furthermore, the outer edge of the contact surface of the upper die and the lower die is provided with a ring of die steps, the lower die corresponding to the upper die steps is provided with a ring of bulges corresponding to the upper die steps, and the upper die and the lower die are positioned through the matching of the steps and the bulges.

Furthermore, still install the reference column that is used for fixing a position when connecting upper and lower mould on the mould body, be provided with the locating hole on the lower mould body that corresponds the reference column, the material mouth of mould and the accurate correspondence in lower mould material mouth groove are realized to the cooperation of locating hole and reference column.

Furthermore, the upper die and the lower die are correspondingly provided with threaded holes for connecting and fixing the upper die and the lower die, the threaded holes penetrate through the lower die, the depth of the threaded holes in the upper die is smaller than the thickness of the upper die body, screws penetrate through the lower die and are fastened regularly, and the upper ends of the screws are arranged in the upper die and do not influence the contact between the upper die and the aluminum bar.

Furthermore, reference columns and threaded holes on the upper die body are distributed at intervals, so that the upper die and the lower die are stressed uniformly when being attached, and the reference columns and the threaded holes are distributed on the upper die body at four corners of the material port and correspond to the threaded holes and the positioning holes in the lower die respectively.

Further, the height that highly is less than material mouth opening plane of center module, center module is symmetrical arc distribution, center module and guide die formula structure as an organic whole.

Preferably, the thickness of the arc-shaped piece of the central module at the material opening part is larger than that of the arc-shaped piece close to the guide die.

Furthermore, the guide die and the guide die hole are in clearance fit, and the guide die step of the guide die corresponds to the chamfer of the guide die hole, so that the aluminum extruded section can conveniently pass through the chamfer.

Preferably, the shape of the guide die is the same as that of the guide die hole, and the shape of the guide die is matched according to the requirement of profile machining.

Compared with the prior art, the invention has the beneficial effects that: the invention provides a section processing die, which is characterized in that an upper die and a lower die are matched, a guide die and an optimized film hole are arranged in the upper die and the lower die, so that a shell assembly can be integrally formed, welding is avoided, and the production efficiency is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a top view of the upper mold of the present invention;

FIG. 3 is a bottom view of the upper mold of the present invention;

FIG. 4 is a top view of the lower mold of the present invention;

fig. 5 is a bottom view of the lower mold of the present invention.

In the figure: 1. the die comprises an upper die, a lower die, 3, a material port, 4, a central die set, 5, a guide die, 6, a guide die step, 7, a chamfer, 8, a guide die hole, 9, a threaded hole, 10, a positioning hole, 11, an upper die step, 12, a protrusion, 13, a material port groove, 14 and a positioning column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example one

As shown in fig. 1, section bar mold processing, including last mould 1, bed die 2, central module 4 and guide die 5, it is provided with material mouth 3 to go up 1 middle parts of mould, material mouth 3 runs through mould 1, install the central module 4 that is used for fixed guide die 5 in the material mouth 3, central module 4 is connected with last mould 1 integral type, material mouth 3 is the cruciform structure, 4 integral types of central module are established inside the cross material mouth, not only can fix the guide die, also can reduce the resistance to the aluminium bar when the aluminium bar extrudees the feeding.

As shown in fig. 1-2, the height of the central module 4 is lower than the height of the opening plane of the material opening 3, the central module 4 is distributed in a symmetrical arc shape, the central module 4 and the guide die 5 are of an integral structure, because the height of the central module 4 is slightly lower, a high-temperature aluminum bar is firstly extruded on the end surface of the upper die 1, the aluminum bar is further contacted with the central module 4 in the material opening 3, and the central module 4 is prevented from being directly contacted with the aluminum bar and damaged by stress.

Preferably, the thickness of the arc-shaped piece of the central module 4 at the material opening part is greater than the thickness of the arc-shaped piece close to the position of the guide die 5, so that the strength of the upper end of the central module 4 is greater, the stability of the aluminum extrusion impact is improved, the lower end of the central module 4 becomes thinner, the contact end with the guide die 5 is in smooth transition, the resistance of the aluminum extrusion movement is reduced, and the aluminum extrusion can smoothly enter the guide die hole 8.

As shown in fig. 3, a positioning column 14 for positioning when connecting the upper mold and the lower mold is further installed on the upper mold 1, a positioning hole 10 is provided on the lower mold body corresponding to the positioning column 14, and the positioning hole 10 and the positioning column 14 are matched to realize that the material opening of the upper mold 1 accurately corresponds to the material opening groove 13 of the lower mold 2.

As shown in fig. 4, the position of the lower die 2 corresponding to the material port 3 is correspondingly provided with a material port groove 13, the position of the bottom of the material port groove 13 corresponding to the guide die 5 is provided with a guide die hole 8 for the guide die 5 to penetrate, the hole edge of the guide die hole 8 is set to be of a chamfer 7 structure, a guide die step 6 is arranged on the guide die 5 corresponding to the guide die hole 8, a gap between the guide die step 6 and the chamfer 7 forms an aluminum extruded channel, and the high-temperature aluminum material is cooled into a fixed shape after being formed through the channel.

As shown in fig. 1, the guide die 5 and the guide die hole 8 are in clearance fit, the guide die step 6 of the guide die 5 corresponds to the chamfer 7 of the guide die hole 8, so that an aluminum extruded section can pass through the guide die 5 conveniently, the guide die hole 8 and the guide die 5 are identical in shape, and the guide die 5 is actually matched according to the processing requirements of the section.

Preferably, the guide die 5 and the guide die hole 8 in the embodiment are both square, and the processed aluminum extruded section is a square shell.

Furthermore, the outer edge of the contact surface of the upper die 1 and the lower die 2 is provided with a ring of upper die steps 11, a ring of protrusions 12 corresponding to the upper die steps are arranged on the lower die corresponding to the upper die steps 11, and the upper die and the lower die are positioned through the matching of the steps and the protrusions 12.

Further, all correspond on last mould 1 and the bed die 2 and be provided with the screw hole 9 that is used for the bed die to connect fixedly, screw hole 9 runs through bed die 2, the screw hole 9 degree of depth on the last mould 1 is less than the body thickness of last mould 1, and it is fixed regularly to penetrate the screw tightening from bed die 2, and the screw upper end is inside last mould 1, does not influence the contact of last mould 1 and aluminium bar.

Furthermore, positioning columns 14 and threaded holes 9 on the upper die 1 body are distributed at intervals, so that the upper die and the lower die are stressed uniformly when being attached, and the positioning columns 14 and the threaded holes 9 are distributed on the upper die body at four corners of the material port and respectively correspond to the threaded holes 9 and the positioning holes 10 on the lower die 2.

When the embodiment works, the upper die and the lower die are matched and connected and then fastened through the screws, and then the module is placed into the die groove of the aluminum extruder. Loading a high-temperature aluminum bar into the aluminum extrusion molding machine, starting the machine, pushing the aluminum bar extrusion module by the machine top column, sliding the aluminum extrusion section out of the module through the guide die hole, and naturally cooling and molding;

the aluminum extruded section of the sliding-out module is drawn and guided out through the transverse traction equipment, so that the aluminum extruded section is effectively prevented from naturally sagging and bending when the aluminum extruded section is too long.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The section processing die is characterized by comprising an upper die, a lower die, a central module and a guide die, wherein a material port is formed in the middle of the upper die, penetrates through the upper die, the central module for fixing the guide die is installed in the material port, and the central module is integrally connected with the upper die;

the position that the lower mould corresponds the material mouth corresponds and is provided with the material mouth groove, the position that material mouth tank bottoms portion corresponds the guide die is equipped with the guide die hole that is used for the guide die to penetrate, the hole edge that leads the die hole sets up to chamfer structure, is equipped with the guide die step on the guide die that corresponds the guide die hole.

2. The section processing die according to claim 1, wherein the outer edge of the contact surface of the upper die and the lower die is provided with a ring of die steps, and the lower die corresponding to the upper die steps is provided with a ring of protrusions corresponding to the upper die steps.

3. The section processing die according to claim 1, wherein the upper die body is further provided with a positioning column for positioning when the upper die and the lower die are connected, and a positioning hole is formed in the lower die body corresponding to the positioning column.

4. The section processing die according to claim 1, wherein the upper die and the lower die are respectively and correspondingly provided with a threaded hole for connecting and fixing the upper die and the lower die, the threaded hole penetrates through the lower die, and the depth of the threaded hole in the upper die is smaller than the thickness of the upper die body.

5. The section processing die according to claim 3 or 4, wherein the positioning columns and the threaded holes on the upper die body are distributed at intervals.

6. The section bar processing die according to claim 5, wherein the positioning columns and the threaded holes are distributed on the upper die body at four corners of the material opening.

7. The section bar processing die according to claim 1, wherein the height of the central die set is lower than the height of the opening plane of the material opening, the central die set is distributed in a symmetrical arc shape, and the central die set and the guide die are of an integrated structure.

8. The profile working die of claim 7, wherein the thickness of the arc-shaped piece of the central die set at the material opening part is larger than that of the arc-shaped piece close to the guide die.

9. The section bar processing die according to claim 1, wherein the guide die and the guide die hole are in clearance fit, and the guide die step of the guide die corresponds to the chamfer of the guide die hole.

10. The section bar processing die according to claim 9, wherein the shape of the guide die and the shape of the guide die hole are the same, and the shape of the guide die is matched according to the processing requirement of the section bar.