CN215095115U

CN215095115U - A installation dismantlement structure for SMC mould mold insert

Info

Publication number: CN215095115U
Application number: CN202121645964.3U
Authority: CN
Inventors: 李微
Original assignee: Anhui Jincen Composites Co ltd
Current assignee: Anhui Jincen Composites Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-10
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses an installation dismantlement structure for SMC mould mold insert, including the mould frame, the inside of mould frame is provided with the mould core, install the mould mold insert on the mould core, the bottom of mould mold insert is installed the mold insert jacking piece, the mold insert jacking piece includes that the mold insert changes the pole, the bottom threaded connection of mold insert changing pole and mould mold insert, the bottom correspondence that the pole was changed to the mold insert is provided with jacking drive unit, jacking drive unit includes the thimble board, the border portion fixed mounting of mould frame has a plurality of ejecting hydro-cylinders, a plurality of ejecting hydro-cylinder's lateral wall all with the border fixed connection of thimble board; the utility model discloses an ejecting hydro-cylinder promotes the thimble board lifting, drives the mold insert and changes the pole lifting, and then drives the mold insert lifting, makes things convenient for the change operation of mold insert, changes the time of consumption short, but direct production after changing the mold insert has practiced thrift manpower and bulk production time.

Description

A installation dismantlement structure for SMC mould mold insert

Technical Field

The utility model relates to a SMC mould correlation technique field specifically is a structure is dismantled in installation for SMC mould mold insert.

Background

Compression molding dies typically use a hydraulic press on which the upper and lower portions of the die are secured. The mold includes a cavity core, as in the injection mold. The trial mold material is placed on the open mold and the press is then closed. The raw materials are melted into the cavity of the mold by the set temperature and the pressure generated by the press. When the trial molding material of such a mold is SMC, we often refer to such a mold as an SMC mold.

In order to be suitable for different molded products and save production cost, an SMC (sheet molding compound) mold is usually designed to be shared, and a structure of replacing an insert is adopted to deal with different states of the products. The insert of the existing SMC mould is directly fixed on a mould core by a bolt, the replacement step of the mould insert is very complicated, and firstly, the mould needs to be detached from a mould pressing device and is placed in a mould maintenance area; then separating the upper die from the lower die, partially disassembling the lower die of the die, turning the core by 180 degrees, disassembling the fixing bolt, knocking out the insert by the thimble or the long screw, replacing the insert, reassembling the die and installing the die on a molding device, waiting for heating, and continuing production; the time required for the whole process to be replaced to the normal production is about 4 to 6 hours, a large amount of time and labor are consumed, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure is dismantled in installation for SMC mould mold insert to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a mounting and dismounting structure for an SMC (sheet molding compound) mold insert comprises a mold frame, wherein a mold core is arranged inside the mold frame, the mold core is provided with the mold insert, the top surface of the mold insert is a plane, an arc surface or other special-shaped surfaces matched with a molded product, and bulges with matched shapes can be arranged on the top surface of the mold insert according to the hole shape of the surface of the molded product so as to ensure the stable connection of the mold insert and the molded product during the molding operation; the mold insert comprises a mold insert body and is characterized in that an insert jacking piece is installed at the bottom of the mold insert body, the insert jacking piece comprises an insert replacing rod, the insert replacing rod is in threaded connection with the bottom of the mold insert body, and a jacking driving unit is correspondingly arranged at the bottom of the insert replacing rod.

As a further aspect of the present invention: the jacking driving unit comprises an ejector plate, a plurality of jacking oil cylinders are fixedly mounted at the edge part of the die frame, and the side walls of the jacking oil cylinders are fixedly connected with the edge of the ejector plate.

As a further aspect of the present invention: the ejector plate is fixedly connected with a shim piece, and the top of the shim piece corresponds to the bottom of the insert replacing rod.

As a further aspect of the present invention: the mold comprises a mold frame and is characterized in that a through cavity is formed in the mold frame, a plurality of limiting pieces are fixedly connected to the inner wall of the through cavity, a plurality of limiting grooves are formed in the outer wall of the mold insert replacing rod, and the plurality of limiting pieces are respectively in sliding connection with the inner walls of the plurality of limiting grooves.

As a further aspect of the present invention: the sizing block piece comprises an upper cushion block and a lower cushion block, the upper cushion block and the lower cushion block are connected in a clamping mode, a positioning groove is formed in the top of the upper cushion block, an ejector pin gasket is connected to the inner wall of the positioning groove in a clamping mode, and the top face of the ejector pin gasket is a sunken arc-shaped face.

As a further aspect of the present invention: the iron padding piece further comprises an iron padding base, wherein butt joint battens are fixedly connected to the two sides of the inner wall of the iron padding base, butt joint sliding grooves are formed in the two sides of the lower cushion block and are in sliding connection with the two butt joint battens respectively, the iron padding base is U-shaped, and the height of the iron padding base is consistent with the height of the lower cushion block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of an installation dismantlement structure for SMC mould mold insert promotes the thimble board lifting through ejecting cylinder, drives the mold insert and changes the pole lifting, and then drives the mould mold insert lifting, makes things convenient for the change operation of mould insert, and the time of change consumption is short, can directly produce after changing the mold insert, has practiced thrift manpower and bulk production time; setting; carry on spacingly through leading to the chamber to the mold insert change pole, avoid the mold insert to change the pole and rock, through setting up spacing groove and spacing piece sliding fit, it is spacing to carry out circumference to the mold insert change pole, avoids the mold insert to change the pole and takes place to rotate, has improved the stability of mold insert change pole in the course of the work.

Drawings

Fig. 1 is a side view of the present invention;

FIG. 2 is a perspective view of the mold insert and the insert jacking member of the present invention;

FIG. 3 is a cross-sectional view of the through cavity of the present invention;

fig. 4 is a cross-sectional view of the mold insert of the present invention;

fig. 5 is a perspective view of the sizing block base of the present invention.

In the figure: 1. a mold frame; 2. a mold insert; 3. replacing the insert with a rod; 4. an ejector plate; 5. ejecting an oil cylinder; 6. a limiting sheet; 7. a limiting groove; 8. an upper cushion block; 9. a lower cushion block; 10. positioning a groove; 11. a sizing block base; 12. butt-jointing the laths; 13. and (6) butting the sliding grooves.

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. 1-5, in an embodiment of the present invention, an installation and disassembly structure for an SMC mold insert includes a mold frame 1, a mold core is disposed inside the mold frame 1, a mold insert 2 is mounted on the mold core, a top surface of the mold insert 2 is a plane, an arc surface or other special-shaped surface matched with a molded product, and a protrusion with a shape matched with a shape can be disposed on the top surface of the mold insert 2 according to a hole shape on the surface of the molded product, so as to ensure stable connection between the mold insert 2 and the molded product during a molding operation; the bottom of the mold insert 2 is provided with an insert jacking piece, the insert jacking piece comprises an insert replacing rod 3, the insert replacing rod 3 is in threaded connection with the bottom of the mold insert 2, and the bottom of the insert replacing rod 3 is correspondingly provided with a jacking driving unit; promote the mold insert through jacking drive unit and change 3 lifts of pole, and then drive 2 lifts of mould mold insert, make things convenient for the change operation of mould insert. Due to the particularity of the SMC process, namely that all pressure is downward, the mold insert 2 is always under the downward pressure action in the working process, and the mold insert 2 cannot move due to no fixation.

The jacking driving unit comprises a jacking needle plate 4, a plurality of jacking oil cylinders 5 are fixedly arranged at the edge part of the die frame 1, and the side walls of the plurality of jacking oil cylinders 5 are fixedly connected with the edge of the jacking needle plate 4; the ejector plate 4 is driven by the ejection oil cylinder 5 to move upwards to drive the movable sizing block to move upwards, after the movable sizing block is contacted with the insert replacing rod 3, the upward movement is continued, the insert replacing rod 3 and the mold insert 2 are ejected out, and because the ejection oil cylinder 5 is provided with a plurality of movable sizing blocks along the edge of the mold frame 1 and is synchronously controlled by external control equipment, the stress of each position in the movement process of the ejector plate 4 is uniform and stable, and the operation of the ejector plate 4 is more stable.

Seted up on mold framework 1 and led to the chamber, the inner wall fixedly connected with a plurality of spacing piece 6 that leads to the chamber, a plurality of spacing groove 7 has been seted up to the outer wall that the mold insert was changed pole 3, a plurality of spacing piece 6 respectively with the inner wall sliding connection of a plurality of spacing groove 7, spacing groove 7 and spacing piece 6 are all changed 3 vertical directions of pole along the mold insert and are arranged, it is spacing to change pole 3 through leading to the chamber to the mold insert, it rocks to avoid the mold insert to change pole 3, through setting up

spacing groove

7 and 6 sliding fit of spacing piece, it is spacing to carry out circumference to the mold insert change pole 3, it takes place to rotate to avoid the mold insert to change pole 3, the stability of mold insert change pole 3 in the course of the work has been improved.

The ejector plate 4 is fixedly connected with an iron gasket, and the top of the iron gasket is arranged corresponding to the bottom of the insert replacing rod 3; the parallels piece includes cushion 8 and lower cushion 9, it is connected to go up the block between cushion 8 and the lower cushion 9, it is convenient to tear open the change to last cushion 8 alone, go up the top of cushion 8 and seted up constant head tank 10, the inner wall block of constant head tank 10 is connected with the thimble gasket, the size of the bottom size phase-match of pole 3 is changed with the mold insert to size and mold insert through constant head tank 10, through setting up constant head tank 10, improve the position stability of cushion 8 when changing pole 3 butt joint with the mold insert, protect the contact position of pole 3 and constant head tank 10 is changed to the mold insert through the thimble gasket, because the thimble gasket block is connected, when the wearing and tearing of thimble gasket reached the certain degree, can be convenient change.

The parallels piece still includes parallels base 11, the equal fixedly connected with butt joint slat 12 in both sides of parallels base 11 inner wall, and butt joint spout 13 has all been seted up to the both sides of lower bolster 9, and two butt joint spouts 13 respectively with two butt joint slats 12 sliding connection, and parallels base 11 sets up to the U-shaped, and parallels base 11 highly is unanimous with lower bolster 9.

When the utility model is used, when the replacement operation of the mold insert 2 needs to be carried out, the ejection oil cylinder 5 is started to drive the ejector plate 4 to move upwards to drive the sizing block piece to move upwards, and after the ejector pin gasket in the positioning groove 10 contacts the insert replacement rod 3, the mold insert 2 and the insert replacement rod 3 are driven to eject upwards to protrude out of the top surface of the mold core, and then the mold insert 2 is separated from the insert replacement rod 3 by rotating the mold insert 2 and is replaced by a new mold insert 2;

when the ejection distance of the mold insert 2 needs to be adjusted, the new upper cushion blocks 8 with different heights can be replaced and clamped with the lower cushion blocks 9, the butt-joint sliding grooves 13 can also be separated from the butt-joint strip plates 12, then the lower cushion blocks 9 are directly placed on the top surfaces of the butt-joint strip plates 12, and the lower cushion blocks 9 are supported through the butt-joint strip plates 12.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides an installation dismantlement structure for SMC mould mold insert, includes mold framework (1), the inside of mold framework (1) is provided with the mold core, install mould mold insert (2) on the mold core, a serial communication port, the mold insert jacking piece is installed to the bottom of mould mold insert (2), the mold insert jacking piece is changed pole (3) including the mold insert, the bottom threaded connection of pole (3) and mould mold insert (2) is changed to the mold insert, the bottom correspondence that pole (3) were changed to the mold insert is provided with jacking drive unit.

2. An assembling and disassembling structure for an SMC mold insert according to claim 1, characterized in that the jacking driving unit comprises an ejector plate (4), a plurality of jacking cylinders (5) are fixedly installed at the edge of the mold frame (1), and the side walls of the plurality of jacking cylinders (5) are fixedly connected with the edge of the ejector plate (4).

3. An attaching and detaching structure for an SMC mold insert as in claim 2, characterized in that the ejector plate (4) is fixedly connected with a shim piece, the top of which is arranged corresponding to the bottom of the insert changing rod (3).

4. An installation and disassembly structure for an SMC mold insert as in claim 1, wherein the mold frame (1) is provided with a through cavity, the inner wall of the through cavity is fixedly connected with a plurality of limiting pieces (6), the outer wall of the insert replacing rod (3) is provided with a plurality of limiting grooves (7), and the plurality of limiting pieces (6) are respectively connected with the inner walls of the limiting grooves (7) in a sliding manner.

5. A mounting and dismounting structure for an SMC mold insert as in claim 3, wherein the shim piece comprises an upper shim (8) and a lower shim (9), the upper shim (8) and the lower shim (9) are connected by snap fit, and the top of the upper shim (8) is opened with a positioning groove (10).

6. The mounting and dismounting structure for the SMC mold insert according to claim 5, wherein the shim piece further comprises a shim base (11), butt joint slats (12) are fixedly connected to both sides of the inner wall of the shim base (11), butt joint sliding grooves (13) are formed in both sides of the lower cushion block (9), and the two butt joint sliding grooves (13) are respectively in sliding connection with the two butt joint slats (12).

7. A mounting and dismounting structure for an SMC mold insert according to claim 6, characterized in that the back iron base (11) is U-shaped and the height of the back iron base (11) is identical to the height of the lower cushion block (9).

8. An installation and disassembly structure for an SMC mold insert as in claim 5, wherein the inner wall of the positioning groove (10) is connected with a thimble spacer in a clamping manner, and the top surface of the thimble spacer is set to be a concave arc surface.