CN219274145U

CN219274145U - Closed bending shell compression molding tool

Info

Publication number: CN219274145U
Application number: CN202223185112.8U
Authority: CN
Inventors: 黄永世
Original assignee: Wuhan Renhe Tongtai Precision Technology Co ltd
Current assignee: Wuhan Renhe Tongtai Precision Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-30
Anticipated expiration: 2032-11-29

Abstract

The utility model belongs to the technical field of dies and discloses a closed bending shell injection molding die which comprises a mounting groove arranged on a machine table, wherein the mounting groove is integrally rectangular, column grooves are formed in four corners of the mounting groove, a lower die is arranged in the mounting groove in a matched manner with the column grooves, a telescopic cylinder is arranged on the machine table, the output end of the telescopic cylinder is connected with a lifting plate, the lifting plate is provided with a blind groove, an upper die is arranged in the blind groove, a threaded column is arranged on the lifting plate, a pressing block is sleeved on the threaded column, and a nut is connected with the threaded column in a threaded manner; the lower mould is equipped with the post hole in the four corners position, the last mould is equipped with the position and corresponds the cylinder in post hole, the lower mould is equipped with the pressure and annotates the mouth, it is equipped with the size matching to go up the mould the pressure of pressure notes the mouth annotates the platform, it is equipped with the right angle breach to press notes the platform in the four corners position, place the corner fitting in the right angle breach, lifter plate threaded connection have with corner fitting threaded connection's screw.

Description

Closed bending shell compression molding tool

Technical Field

The utility model belongs to the technical field of dies, and particularly relates to a closed bending shell injection die.

Background

In the field of bending, there is an automatic device called a bending machine, and a die mounted on the bending machine is a tool for forming and processing a plate material by the bending machine, wherein the tool is composed of various parts, different dies are composed of different parts, and the processing of the appearance of an article is realized mainly through the change of the physical state of formed materials, so that a blank is made into a tool with a specific shape and size under the action of the pressure of the bending machine, and the tool is also called a bending injection die.

The installation of present mould relies on the screw to fix the mould on the organism more, and the screw revolves to twist there is the risk of smooth tooth, and installation effectiveness is lower relatively simultaneously, and the use of present mould is one set of more in an angle, and the fillet size change of four corners position all can make a set of mould again promptly, and is poor in the economic nature on the cost.

Disclosure of Invention

In view of the above-mentioned problems with the background art, the present utility model has as its object: aims at providing a closed bending shell injection mould.

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

the closed bending shell injection mold comprises a mounting groove which is arranged on a machine table, wherein the whole mounting groove is rectangular, column grooves are formed in four corners of the mounting groove, the column grooves are communicated with the mounting groove, a lower mold is arranged in the mounting groove in a matched mode, a telescopic cylinder is arranged on the machine table, the output end of the telescopic cylinder is connected with a lifting plate, a blind groove is formed in the lifting plate, the cross section of the blind groove is T-shaped, an upper mold is arranged in the blind groove, threaded columns are arranged on two sides of the inlet end of the blind groove by the lifting plate, pressing blocks are sleeved on the threaded columns, and nuts are connected with the threaded columns in a threaded mode;

the lower die is provided with column holes at four corners, a section of screw thread is arranged at the bottom of the column holes, the upper die is provided with a cylinder with a position corresponding to the column holes, the lower die is provided with a compression injection port, and the upper die is provided with a compression injection table with a size matched with the compression injection port;

the lower die and the upper die are various in specification, the injection port and the injection table are all in profiling, right-angle notches are formed in the four corners of the injection table, corner pieces are placed in the right-angle notches, and the lifting plate is in threaded connection with screws in threaded connection with the corner pieces.

Further limited, the cross section of the pressure injection port and the pressure injection platform can be rectangular or isosceles trapezoid, and the design is suitable for the bending specification of most of shells at present.

Further, the cylinder is detachably arranged on the upper die, and whether the cylinder needs to be detached to place injection interference can be judged according to actual requirements.

Further limited, the briquetting cross-section is L type, and this kind of design is better when compressing tightly the upper mould.

Further, the screws are stop screws, so that the corner fitting is installed without interference to the installation of the upper die.

The beneficial effects of the utility model are that:

1. according to the utility model, the lower die is placed in the placement opening, the upper die is placed in the blind groove and matched with the pressing block and the screw cap to realize fixation, and compared with the prior art, the screw is screwed completely, the mounting efficiency is higher, so that the die changing efficiency is higher, and the production efficiency is further improved;

2. the utility model realizes the installation of the whole die by rotating two nuts, so that the occurrence probability of the sliding problem is reduced and the service life is long;

3. the corner fitting is installed, the corner fitting can be independently customized and replaced to adapt to the round angle sizes of different angles at the four corners, and compared with the process of customizing and replacing the whole die, the corner fitting is low in cost and good in economical efficiency.

Drawings

The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic diagram of a closed-type bent-shell compression mold embodiment of the present utility model;

FIG. 2 is a schematic diagram of the upper and lower molds of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a second embodiment of an upper mold and a lower mold of the closed-type bending-shell compression mold of the present utility model;

FIG. 4 is a schematic cross-sectional view of an embodiment of a closed-type bending shell compression mold according to the present utility model;

FIG. 5 is a schematic diagram showing a cross-sectional structure of a closed-type bending-shell compression mold according to a second embodiment of the present utility model;

FIG. 6 is a schematic diagram of the structure of an upper mold and a lower mold with trapezoidal cross sections of an embodiment of the closed-type bending shell compression mold of the present utility model;

the main reference numerals are as follows:

a machine 1; a mounting groove 2; a column groove 3; a lower die 4; a telescopic cylinder 5; a lifting plate 6; a blind groove 7; an upper die 8; a threaded post 9; a briquette 10; a nut 11; a post hole 12; a cylinder 13; a pressure injection port 14; a press-injection stage 15; right angle notch 16; a corner piece 17; and a screw 18.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 to 6, the closed bending shell injection mold comprises a mounting groove 2 arranged on a machine table 1, wherein the mounting groove 2 is rectangular overall, a column groove 3 is arranged at four corners of the mounting groove 2, the column groove 3 is communicated with the mounting groove 2, a lower mold 4 is arranged in the mounting groove 2 in a matched manner with the column groove 3, a telescopic cylinder 5 is arranged on the machine table 1, the output end of the telescopic cylinder 5 is connected with a lifting plate 6, the lifting plate 6 is provided with a blind groove 7, the cross section of the blind groove 7 is T-shaped, the blind groove 7 is provided with an upper mold 8, the lifting plate 6 is provided with threaded columns 9 at two sides of the inlet end of the blind groove 7, the threaded columns 9 are sleeved with pressing blocks 10, and the threaded columns 9 are in threaded connection with nuts 11;

the lower die 4 is provided with column holes 12 at four corners, a section of screw thread is arranged at the bottom of the column holes 12, the upper die 8 is provided with a cylinder 13 corresponding to the column holes 12, the lower die 4 is provided with a compression injection port 14, and the upper die 8 is provided with a compression injection table 15 with a size matched with the compression injection port 14;

the lower die 4 and the upper die 8 are various in specification, the injection port 14 and the injection table 15 are all in profiling, the injection table 15 is provided with right-angle notches 16 at four corners, corner pieces 17 are placed in the right-angle notches 16, and the lifting plate 6 is in threaded connection with screws 18 in threaded connection with the corner pieces 17.

In this embodiment, when the closed bending shell injection mold is used, the lower mold 4 is directly placed in the mounting groove 2, and the position of the lower mold 4 is limited under the effect of the column groove 3, and a section of thread at the bottom of the column hole 12 is arranged, so that when the lower mold 4 needs to be removed, the lower mold 4 can be lifted out in the mounting groove 2 by directly screwing a matched screw in the column hole 12; the upper die 8 is inserted into the blind groove 7, the pressing block 10 is installed, the protruding end of the pressing block 10 is contacted with the upper die 8, the other end of the pressing block contacts with the lifting plate 6, and the screw cap 11 is rotated, so that the position of the pressing block 10 to the upper die 8 is fixed; when the shell is used, the shell is placed on the lower die 4, the telescopic cylinder 5 is started to drive the lifting plate 6 to descend, the shell can be bent under the matching effect of the upper die 8 and the lower die 4, it is noted that the positioning of the shell is not difficult for a person in the relevant field, for example, a bending angle is pre-pressed on the shell in advance, and a specific positioning mode is considered specifically; when the size of the round angle of the bent corner is required to be changed, the corner fitting 17 is directly replaced, and the upper die 8 is not required to be customized again, so that the economical efficiency is good.

The cross-sections of the injection port 14 and the injection table 15 may be rectangular or isosceles trapezoid, so that the design is suitable for the specifications of bending of most of the shells at present, and in fact, the cross-sectional shapes of the injection port 14 and the injection table 15 can be considered according to specific situations.

Preferably, the cylinder 13 is detachably mounted on the upper die 8, so that whether the cylinder 13 needs to be dismounted to place injection interference can be judged according to actual requirements, and in fact, the mounting mode of the cylinder 13 can be considered according to specific conditions.

The briquette 10 is preferably L-shaped in cross section, and the effect of pressing the upper die 8 is more excellent, and in practice, the cross-sectional shape of the briquette 10 may be considered depending on the specific case.

The screws 18 are preferably set screws, and the angle 17 is not interfered with the mounting of the upper die 8, and in practice, the choice of the screws 18 that do not interfere may be considered according to the circumstances.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.

Claims

1. The utility model provides a closed shell pressure annotates mould of bending, includes mounting groove (2) of establishing on board (1), its characterized in that: the mounting groove (2) is integrally rectangular, the mounting groove (2) is provided with column grooves (3) at four corners, the column grooves (3) are communicated with the mounting groove (2), the mounting groove (2) is matched with the column grooves (3) to be placed and provided with a lower die (4), a telescopic cylinder (5) is arranged on the machine table (1), the output end of the telescopic cylinder (5) is connected with a lifting plate (6), the lifting plate (6) is provided with a blind groove (7), the section of the blind groove (7) is T-shaped, the blind groove (7) is provided with an upper die (8), the lifting plate (6) is provided with threaded columns (9) at two sides of the inlet end of the blind groove (7), the threaded columns (9) are sleeved with pressing blocks (10), and the threaded columns (9) are in threaded connection with nuts (11).

The lower die (4) is provided with column holes (12) at four corners, a section of screw thread is arranged at the bottom of each column hole (12), the upper die (8) is provided with a cylinder (13) corresponding to each column hole (12), the lower die (4) is provided with a pressure injection port (14), and the upper die (8) is provided with a pressure injection table (15) with the size matched with the pressure injection port (14);

the lower die (4) and the upper die (8) are various in specification, the injection port (14) and the injection table (15) are all in profiling, the injection table (15) is provided with right-angle notches (16) at four corners, corner pieces (17) are placed in the right-angle notches (16), and the lifting plate (6) is in threaded connection with screws (18) in threaded connection with the corner pieces (17).

2. The closed-type bending shell injection mold of claim 1, wherein: the cross sections of the pressure injection port (14) and the pressure injection table (15) can be rectangular or isosceles trapezoid.

3. The closed-type bending shell injection mold of claim 2, wherein: the cylinder (13) is detachably arranged on the upper die (8).

4. The closed-type bending shell injection mold of claim 3, wherein: the section of the pressing block (10) is L-shaped.

5. The closed-type bending shell injection mold of claim 4, wherein: the screw (18) is a set screw.