CN213291085U

CN213291085U - Foaming mold capable of automatically demolding

Info

Publication number: CN213291085U
Application number: CN202022121622.3U
Authority: CN
Inventors: 刘泽; 李明成; 闫松涛; 张红
Original assignee: Hefei Huawei Metal Products Co ltd
Current assignee: Hefei Huawei Metal Products Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-28
Anticipated expiration: 2030-09-24

Abstract

The utility model belongs to the technical field of foaming mold, concretely relates to foaming mold capable of automatically demolding, which comprises a base, a lower mold and an upper mold plate, wherein the lower mold is installed on the base, a movable demolding plate is arranged at the bottom in the upper mold, a demolding box is arranged right below the lower mold, the demolding box is a box body with a hollow inner part and an opening at the top, the demolding box is fixedly arranged on the lower end surface of the base, and a driving mechanism for driving the demolding plate to ascend and descend is installed in the demolding box; the edge all around of stripper plate contacts with the inner wall all around of bed die, be provided with adjustable sealed locating component between stripper plate and the bed die, overcome prior art's not enough, drive stripper plate is with the ejecting bed die of foaming body, accomplishes the drawing of patterns operation, improves the efficiency of refrigerator door body foaming, reduces manual operation's work load.

Description

Foaming mold capable of automatically demolding

Technical Field

The utility model belongs to the technical field of the foaming mould, concretely relates to but foaming mould of automatic demoulding.

Background

With the development of domestic appliance markets in China, domestic refrigerators are rapidly developed in structural design, performance design or appearance design, however, the design of refrigerator door bodies is more various, a foaming mold manufactured by a traditional whole mold core is not easy to demould in the foaming process, the door bodies are troublesome to take out of the mold after foaming, the taking-out operation is inconvenient, the taking-out time is long, and the production efficiency of the refrigerator door bodies is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but foaming mould of automatic demoulding has overcome the not enough of prior art, and the ejecting bed die of foaming body is accomplished the drawing of patterns operation with the drive stripper, improves the efficiency that the refrigerator door body was foamed, reduces manual operation's work load.

In order to solve the above problems, the utility model adopts the following technical proposal:

a foaming mold capable of automatically demolding comprises a base, a lower mold and an upper mold plate, wherein the lower mold is installed on the base, a movable demolding plate is arranged at the bottom in the upper mold, a demolding box is arranged right below the lower mold, the demolding box is a box body which is hollow in the interior and is provided with an opening at the top, the demolding box is fixedly arranged on the lower end face of the base, and a driving mechanism for driving the demolding plate to ascend and descend is installed in the demolding box; the edge all around of stripper plate contacts with the inner wall all around of bed die, be provided with adjustable sealed locating component between stripper plate and the bed die.

Further, actuating mechanism includes driving motor, connects at the pivot of driving motor output, sets firmly a plurality of cams in the pivot outside, the overlap joint has a horizontal fly leaf on the cam, set firmly a plurality of ejector pins on the fly leaf, and the top of ejector pin run through base and bed die, with the lower terminal surface fixed connection of stripper plate.

Further, wear to be equipped with a guide bar on four angles of fly leaf respectively, and the both ends of guide bar respectively with drawing of patterns case and base fixed connection, the outside cover of guide bar is equipped with the spring, and at the in-process that the fly leaf goes up and down, the spring is in the state of compressed all the time.

Further, sealed locating component is including sealed gasbag and air pump, and the air pump passes through hose and sealed gasbag intercommunication, annular mounting groove has been seted up on the bottom inside wall of bed die, sealed gasbag fixed mounting is in the mounting groove, the constant head tank that matches with the mounting groove is seted up at the both ends of stripper plate, and when foaming, be full of the air in the sealed gasbag, and one side of sealed gasbag extends to in the constant head tank.

Further, vertical support frame has set firmly on four angles of the up end of base, and the top of support frame has set firmly the roof, install the pneumatic cylinder on the roof, the bottom at the pneumatic cylinder is fixed to the cope match-plate pattern.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a but foaming mould of automatic demoulding drives the cam through driving motor and rotates to drive stripper plate upwards and push out the foaming body lower mould, accomplishes the drawing of patterns operation, and easy operation is convenient, has reduced the work load of manual operation; through the positioning and sealing mechanism of the air bag type, the stripper plate is conveniently positioned, the stripper plate and the lower die are sealed, and the processing precision of the refrigerator door body is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a foaming mold capable of automatically demolding.

Fig. 2 is a schematic structural view of a lower mold of a foaming mold capable of automatically demolding.

Fig. 3 is an enlarged view of a portion of a foaming mold at a position a, which is capable of automatic demolding.

In the figure: 1. a base; 2. a lower die; 3. a support frame; 4. mounting a template; 5. a top plate; 6. a hydraulic cylinder; 7. an air pump; 8. a demolding box; 9. a stripper plate; 10. a top rod; 11. a movable plate; 12. a guide bar; 13. a cam; 14. a rotating shaft; 15. a drive motor; 16. a spring; 17. sealing the air bag; 18. mounting grooves; 19. and (6) positioning a groove.

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.

As shown in fig. 1-3, the foam mold capable of automatically demolding according to the present invention comprises a base 1, a lower mold 2 and an upper mold plate 4, wherein the lower mold 2 is mounted on the base 1, a movable demolding plate 9 is disposed at the bottom inside the upper mold, a demolding box 8 is disposed right below the lower mold 2, the demolding box 8 is a hollow box body with an open top, the demolding box 8 is fixedly disposed on the lower end surface of the base 1, and a driving mechanism for driving the demolding plate 9 to ascend and descend is mounted inside the demolding box 8; the edges of the periphery of the stripper plate 9 are in contact with the inner wall of the periphery of the lower die 2, and an adjustable sealing and positioning assembly is arranged between the stripper plate 9 and the lower die 2.

During foaming, the processing material is foamed in a sealed cavity formed by the lower die 2 and the upper die plate 4, the upper die plate 4 is opened after foaming is finished, and the driving mechanism is started to drive the demoulding plate 9 positioned at the bottom end of the lower die 2 to move upwards to jack up the foaming body, so that the foaming body is demoulded and is convenient to take out; after the foaming body is taken out, the demoulding plate 9 is restored to the initial position under the driving of the driving mechanism, and then the sealing and positioning assembly is started to fix the position of the demoulding plate 9, and meanwhile, the connection between the demoulding plate 9 and the lower die 2 is enhanced.

In order to facilitate demolding, the driving mechanism comprises a driving motor 15, a rotating shaft 14 connected to the output end of the driving motor 15, and a plurality of cams 13 fixedly arranged on the outer side of the rotating shaft 14, wherein a transverse movable plate 11 is lapped on the cam 13, a plurality of ejector rods 10 are fixedly arranged on the movable plate 11, and the top ends of the ejector rods 10 penetrate through the base 1 and the lower mold 2 and are fixedly connected with the lower end face of the demolding plate 9; when in use, the stripper plate 9 in the initial state is positioned at the lowest end of the lower die 2, and the movable plate 11 is lapped on the cam 13 under the action of gravity; when the foaming body needs to be ejected, the driving motor 15 is started to drive the cam 13 to rotate through the rotating shaft 14, so that the movable plate 11 is jacked up, the demoulding plate 9 jacks up the foaming body by utilizing the connection between the movable plate 11 and the demoulding plate 9, and demoulding is completed.

In order to improve the stability of demoulding; four corners of the movable plate 11 are respectively provided with a guide rod 12 in a penetrating manner, two ends of the guide rod 12 are respectively fixedly connected with the demolding box 8 and the base 1, the outer side of the guide rod 12 is sleeved with a spring 16, and the spring 16 is always in a compressed state in the lifting process of the movable plate 11; the spring 16 is compressed to make the movable plate 11 always have a downward force, the movable plate 11 is pressed to always contact with the surface of the cam 13, and the guide rod 12 is used to control the vertical lifting of the movable plate 11, so that the stripper plate 9 can move vertically, and the stripping efficiency is ensured.

In order to improve the sealing performance, the sealing and positioning assembly comprises a sealing air bag 17 and an air pump 7, the air pump 7 is communicated with the sealing air bag 17 through a hose, an annular mounting groove 18 is formed in the inner side wall of the bottom of the lower die 2, the sealing air bag 17 is fixedly mounted in the mounting groove 18, positioning grooves 19 matched with the mounting groove 18 are formed in two ends of the stripper plate 9, when foaming is carried out, the sealing air bag 17 is filled with air, and one side of the sealing air bag 17 extends into the positioning grooves 19; when the stripper plate 9 is positioned below the lower die 2, the air pump 7 is started to fill the sealed air bag 17 with air, and one side of the sealed air bag 17 is inflated and then expanded into the positioning groove 19 of the stripper plate 9, so that the sealing and positioning functions are achieved.

For the convenience of foaming, vertical support frame 3 has set firmly on four angles of base 1's up end, and the top of support frame 3 has set firmly roof 5, installs pneumatic cylinder 6 on roof 5, and cope match-plate pattern 4 is fixed in the bottom of pneumatic cylinder 6, and when foaming, the extension of pneumatic cylinder 6 drives cope match-plate pattern 4 downstream, covers the lower bolster, starts the 6 shrink of pneumatic cylinder and drives cope match-plate pattern 4 upward movements after accomplishing the foaming, the unloading of being convenient for.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a but foaming mould of automatic demoulding, includes base (1), bed die (2) and cope match-plate pattern (4), its characterized in that: the lower die (2) is arranged on the base (1), a movable stripper plate (9) is arranged at the bottom in the upper die, a stripper box (8) is arranged right below the lower die (2), the stripper box (8) is a box body which is hollow in the interior and is open at the top, the stripper box (8) is fixedly arranged on the lower end surface of the base (1), and a driving mechanism for driving the stripper plate (9) to lift up and down is arranged in the stripper box (8); the edge all around of stripper plate (9) contacts with the inner wall all around of bed die (2), be provided with adjustable sealed locating component between stripper plate (9) and bed die (2).

2. The foaming mold capable of automatic demolding according to claim 1, wherein: the driving mechanism comprises a driving motor (15), a rotating shaft (14) connected to the output end of the driving motor (15), and a plurality of cams (13) fixedly arranged on the outer side of the rotating shaft (14), a transverse movable plate (11) is lapped on the cams (13), a plurality of ejector rods (10) are fixedly arranged on the movable plate (11), and the top ends of the ejector rods (10) penetrate through the base (1) and the lower die (2) and are fixedly connected with the lower end face of the stripper plate (9).

3. The foaming mold capable of automatic demolding according to claim 2, wherein: wear to be equipped with a guide bar (12) on four angles of fly leaf (11) respectively, and the both ends of guide bar (12) respectively with demolding case (8) and base (1) fixed connection, the outside cover of guide bar (12) is equipped with spring (16), and at the in-process that fly leaf (11) go up and down, spring (16) are in the state of compressed all the time.

4. The foaming mold capable of automatic demolding according to claim 1, wherein: sealed locating component is including sealed gasbag (17) and air pump (7), and air pump (7) communicate through hose and sealed gasbag (17), annular mounting groove (18) have been seted up on the bottom inside wall of bed die (2), sealed gasbag (17) fixed mounting is in mounting groove (18), constant head tank (19) that match with mounting groove (18) are seted up at the both ends of stripper plate (9), when foaming, are full of the air in sealed gasbag (17), and one side of sealed gasbag (17) extends to in constant head tank (19).

5. An automatic release foaming mold according to any one of claims 1 to 4, wherein: vertical support frame (3) have set firmly on four angles of the up end of base (1), and the top of support frame (3) has set firmly roof (5), install pneumatic cylinder (6) on roof (5), the bottom at pneumatic cylinder (6) is fixed in cope match-plate pattern (4).