CN219095699U

CN219095699U - Compound drawing plastic mould structure that cuts off

Info

Publication number: CN219095699U
Application number: CN202320055430.8U
Authority: CN
Inventors: 许烨; 彭建球; 吴卫兵
Original assignee: Shenzhen Honglitai Precision Technology Co ltd
Current assignee: Shenzhen Honglitai Precision Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-30
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a composite cutting-off stretching plastic mold structure which comprises a lower mold and an upper mold, wherein the upper part of the lower mold is spliced and spliced with the upper mold, a chute is vertically and downwardly formed in the top surface of the upper mold, a plurality of cutting through grooves are uniformly and upwardly formed in an upper mold cavity of the upper mold along the horizontal direction, a sliding plate is vertically and slidably arranged in the chute of the upper mold, a cutting plate is vertically and fixedly arranged on the bottom surface of the sliding plate vertically and downwardly penetrating the cutting through grooves in the upper mold cavity of the upper mold, a fixing frame is horizontally and fixedly arranged on the top surface of the upper mold, a second hydraulic cylinder is vertically and downwardly fixed on the fixing frame of the upper mold, and the bottom end of the second hydraulic cylinder is fixedly arranged on the top surface of the sliding plate. The utility model solves the problems that the prior compression molding die has no cutting function, and the connecting edges exist among the plastic clamps in a plurality of cavities when the plastic clamp is molded into a finished product by compression molding, and the finished product of the plastic clamp can be obtained only by secondary processing, so that the production efficiency is reduced.

Description

Compound drawing plastic mould structure that cuts off

Technical Field

The utility model relates to the technical field of plastic molds, in particular to a composite cutting-off stretching plastic mold structure.

Background

The compression mould is to add plastic raw material directly into an open mould cavity, close the mould, make the plastic become fluid state under the action of heat and pressure and fill the cavity, then harden and shape the product through chemical crosslinking or physical cooling, and is widely used for batch production of plastic products such as plastic hoops.

When the prior compression mold is used for compression molding of a batch of plastic hoops, plastic raw materials are melted, stretched and filled in cavities under the heating of an upper die and a lower die of the compression mold, connecting edges exist among the plastic hoops in a plurality of cavities when the plastic hoops are manufactured, so that the plastic hoops in the cavities form a whole, the compression mold itself does not have a cutting function, the connecting edges among the plastic hoops need to be cut off by cutting equipment in the later stage, a single plastic hoops finished product can be obtained, and when the plastic hoops are manufactured in batches by the compression mold, the finished plastic hoops can be obtained only by secondary processing, so that the production efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a composite cutting-off stretching plastic mold structure, which aims to solve the problems that the existing compression mold has no cutting-off function, connecting edges exist among plastic clamps in a plurality of cavities when a plastic clamp finished product is compression molded, and the finished plastic clamp can be obtained only by secondary processing, so that the production efficiency is reduced.

The utility model is realized in the following way:

the utility model provides a compound drawing plastic mould structure that cuts off, including lower mould and last mould, the lower mould runs through the top horizontal terminal surface and has seted up the lower mould chamber, and the upper portion of lower mould is assembled and is pegged graft and have been gone up the mould chamber, go up the mould and run through the bottom terminal surface and have seted up the spout on the top surface of mould vertically downwards, and evenly upwards run through the spout along the horizontal direction in the last mould chamber of going up the mould and seted up a plurality of cutting through grooves, vertical slidable mounting has the slide in the spout of going up the mould, and vertically downwards run through the cutting through groove in the last mould chamber of going up on the bottom surface of slide is fixed with the cutting board vertically, the top surface of going up the mould is fixed with the mount horizontally, and vertically downwards is fixed with the second pneumatic cylinder on the mount of going up the mould, and the bottom mounting of second pneumatic cylinder is on the top surface of slide.

Further, a plurality of springs are vertically fixed downwards on the bottom surface of the sliding plate, and the bottom ends of the springs are fixed on the inner bottom surface of the sliding groove of the upper die.

Further, the lower die is fixedly connected through bolts, and guide hole blocks are horizontally fixed on the upper parts of the front and rear vertical end faces of the lower die.

Further, guide rods are vertically fixed downwards at the upper parts of the front and rear vertical end surfaces of the upper die, and are vertically and slidably inserted into guide hole blocks of the lower die.

Further, a support is vertically and upwardly fixed on the lower die, and a first hydraulic cylinder is vertically and downwardly fixed on the top surface of the support.

Further, the output end of the first hydraulic cylinder is fixed on the top surface of the sliding plate.

Compared with the prior art, the utility model has the beneficial effects that: the second hydraulic cylinder on the upper die is started to drive the sliding plate to vertically slide in the sliding groove, the cutting plate is driven to move in the cutting through groove of the upper die cavity in the sliding process, connecting edges between the cutting compression grooves are cut, and plastic clamps between the cutting compression grooves are arranged in a dispersed mode, so that connecting edges exist among the plastic clamps in a plurality of die cavities when a compression molded batch of plastic clamps are finished, cutting and dispersing are carried out, then the first hydraulic cylinder is depressurized, the upper die moves upwards, the fact that the upper die and the lower die are opened to take out the finished plastic clamps is achieved, when the upper die and the lower die are opened, dispersed batch of finished plastic clamps are obtained, the problem that production efficiency is reduced due to secondary division of batch of finished plastic clamps is avoided, and production efficiency of batch of finished plastic clamps is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic exploded view of the present utility model;

FIG. 3 is a schematic diagram showing an exploded structure of a lower die according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the mounting positions of the upper die and the bracket according to the embodiment of the utility model;

FIG. 5 is a schematic diagram showing an exploded structure of an upper die in an embodiment of the present utility model.

In the figure: 1. a lower die; 11. a lower die cavity; 12. a guide hole block; 2. an upper die; 21. an upper die cavity; 211. a chute; 22. cutting through grooves; 23. a slide plate; 24. a spring; 25. cutting a plate; 26. a second hydraulic cylinder; 27. a guide rod; 3. a bracket; 31. a first hydraulic cylinder.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3, 4 and 5, a composite cut-off stretching plastic mold structure comprises a lower mold 1 and an upper mold 2, wherein the lower mold 1 is provided with a lower mold cavity 11 penetrating through the horizontal end surface of the top, the lower mold 1 is fixedly connected through bolts, the upper part of the lower mold 1 is spliced and inserted with the upper mold 2, the upper mold 2 is provided with an upper mold cavity 21 penetrating through the bottom end surface, the top surface of the upper mold 2 is vertically and downwards provided with a sliding groove 211, the upper mold cavity 21 of the upper mold 2 is transversely and uniformly provided with a plurality of compression molding grooves for compression molding plastic hoops, the upper mold cavity 21 of the upper mold 2 is internally and horizontally and upwards provided with a plurality of cutting through grooves 22 penetrating through the sliding groove 211, the cutting through grooves 22 are arranged between the compression molding grooves of the upper mold cavity 21 of the upper mold 2 and are used for cutting the connecting edges of adjacent plastic hoops, the finished plastic hoops are dispersed, the sliding plate 23 is vertically and slidably arranged in the sliding groove 211 of the upper mold 2, the bottom surface of the sliding plate 23 vertically penetrates through the cutting through groove 22 in the upper die cavity 21 of the upper die 2 downwards, the cutting plate 25 is vertically fixed on the top surface of the upper die 2, the fixing frame is horizontally fixed on the fixing frame of the upper die 2, the second hydraulic cylinder 26 is vertically downwards fixed on the fixing frame of the upper die 2, the bottom end of the second hydraulic cylinder 26 is fixed on the top surface of the sliding plate 23, the support 3 is vertically upwards fixed on the lower die 1, the top surface of the support 3 is vertically downwards fixed with the first hydraulic cylinder 31, the output end of the first hydraulic cylinder 31 is fixed on the top surface of the sliding plate 23, in use, the first hydraulic cylinder 31 is used for pressurizing and stretching to drive the die cavities between the upper die 2 and the lower die 1 to be closed to form a compression molding cavity, meanwhile, the first hydraulic cylinder 31 downwards applies pressure on the upper die 2, the heated plastic raw materials are favorable for compression and stretching in the later stage, the gap between the upper die 2 and the lower die 1 is convenient for filling of the plastic raw materials, the plastic raw material is placed in the lower die cavity 11 of the lower die 1, the first hydraulic rod 31 on the support 3 is started to enable the upper die 2 to be movably inserted in the lower die 1, the upper die 2 and the lower die 1 are utilized to heat and melt the plastic raw material, the first hydraulic rod 31 is utilized to apply pressure to enable the plastic raw material to flow and fill in the compression groove in the die cavity between the upper die 2 and the lower die 1, then after the plastic raw material is cooled and solidified, the second hydraulic cylinder 26 on the upper die 2 is started to drive the sliding plate 23 to vertically slide in the sliding groove 211, the cutting plate 25 is driven to move in the cutting through groove 22 of the upper die 21 in the sliding process, the connecting edges between the compression grooves are cut, and the plastic clamp between the compression grooves are arranged in a dispersed mode, so that when a plurality of plastic clamp finished products of a compression molded batch exist, the connecting edges between the plastic clamp are cut and dispersed, then the first hydraulic cylinder 31 is utilized to perform pressure relief, the upper die 1 moves upwards, the finished plastic clamp is taken out by opening the upper die 1 and the lower die 2, when the upper die 1 and the lower die 2 are cooled and the dispersed finished plastic clamp is obtained, the dispersed finished plastic clamp is prevented from being cut, and the production efficiency of the finished plastic clamp batch is lower is improved, and the production efficiency is improved.

Referring to fig. 5, a plurality of springs 24 are vertically fixed downward on the bottom surface of the sliding plate 23, and the bottom ends of the plurality of springs 24 are fixed on the inner bottom surface of the sliding groove 211 of the upper die 2, the plurality of springs 24 on the sliding plate 23 are used for assisting the sliding plate 23 to move upward when the second hydraulic cylinder 26 is depressurized,

referring to fig. 3 and 5, the lower die 1 is fixedly connected by bolts, guide hole blocks 12 are horizontally fixed on the upper parts of the front and rear vertical end surfaces of the lower die 1, guide rods 27 are vertically and downwardly fixed on the upper parts of the front and rear vertical end surfaces of the upper die 2, the guide rods 27 are vertically and slidably inserted into the guide hole blocks 12 of the lower die 1, when the lower die 1 and the upper die 2 are used for die assembly, the guide rods 27 in the upper die 1 are inserted into the guide hole blocks 12 in the lower die 1, the lower die 1 and the upper die 2 are vertically guided for die assembly, and the accuracy of the lower die 1 and the upper die 2 during die assembly is maintained.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a tensile plastic mould structure is cut off in compound, its characterized in that, including lower mould (1) and last mould (2), lower mould (1) has run through top horizontal terminal surface and has seted up lower die cavity (11), and the upper portion of lower mould (1) is assembled and is pegged graft and have gone up mould (2), go up mould (2) and have run through bottom surface and have seted up on the top surface of mould (2) vertically down spout (211), and evenly upwards run through spout (211) along the horizontal direction in last mould (21) of last mould (2) and have seted up a plurality of logical grooves (22) of cutting, vertical slidable mounting has slide (23) in spout (211) of last mould (2), and cut logical groove (22) in last mould (21) of last mould (23) of vertically downwards running through on the bottom surface of slide (23) and be fixed with cutting board (25) vertically, the top surface of last mould (2) is fixed with the mount, and goes up the mount of mould (2) and vertically downwards is fixed with second pneumatic cylinder (26) on the mount, and the bottom of second pneumatic cylinder (26) is fixed on slide (23).

2. The composite cutting and stretching plastic mold structure according to claim 1, wherein a plurality of springs (24) are vertically fixed downwards on the bottom surface of the sliding plate (23), and the bottom ends of the plurality of springs (24) are fixed on the inner bottom surface of the sliding groove (211) of the upper mold (2).

3. The composite cutting and stretching plastic mold structure according to claim 1, wherein the lower mold (1) is fixedly connected by bolts, and guide hole blocks (12) are horizontally fixed at the upper parts of the front and rear vertical end surfaces of the lower mold (1).

4. A composite cut-off stretching plastic mould structure according to claim 3, wherein guide rods (27) are vertically fixed downwards at the upper parts of the front and rear vertical end surfaces of the upper mould (2), and the guide rods (27) are vertically and slidably inserted into guide hole blocks (12) of the lower mould (1).

5. The composite cut-off stretching plastic mold structure according to claim 1, wherein a bracket (3) is vertically fixed upwards on the lower mold (1), and a first hydraulic cylinder (31) is vertically fixed downwards on the top surface of the bracket (3).

6. A composite cut stretch plastic mold structure according to claim 5, wherein the output end of the first hydraulic cylinder (31) is fixed to the top surface of the slide plate (23).