CN223354795U

CN223354795U - A polymer composite plastic template forming mold

Info

Publication number: CN223354795U
Application number: CN202422203174.XU
Authority: CN
Inventors: 周旦军
Original assignee: Yangzhou Fumo Walker Mechanical Engineering Co ltd
Current assignee: Yangzhou Fumo Walker Mechanical Engineering Co ltd
Priority date: 2024-09-09
Filing date: 2024-09-09
Publication date: 2025-09-19
Anticipated expiration: 2034-09-09

Abstract

The present invention provides a polymer composite plastic template forming mold, which relates to the field of molds and includes: a movable mold and a fixed mold, wherein a guide post is provided on one side of the movable mold, and a mold cavity is provided on the same side of the guide post; a guide hole is provided on one side of the fixed mold, and a mold block is provided on the same side of the guide hole; a glue flow channel is provided at the center of the movable mold; a horizontal first flow channel is provided at the center of the fixed mold, and the inner end of the first flow channel is connected to a first branch channel; a limiting ring is provided inside the first branch channel, and a first piston is provided inside the limiting ring; the inner end of the first piston is connected to a first sealing block via a connecting rod; and the first piston is slidably connected to the inside of the first branch channel. The present invention solves the problem that existing polymer plastic template forming molds have design defects on the basis of achieving two-way demolding, and there are also problems of functional deviation in use.

Description

Polymer composite plastic template forming die

Technical Field

The utility model relates to the technical field of molds, in particular to a high-molecular composite plastic template molding mold.

Background

When the polymer plastic template is processed, the plastic template needs to be injection molded, namely, the plastic material which is completely melted by stirring at a certain temperature is injected into a die cavity by high pressure, and a molded product is obtained after cooling and solidification. Through retrieving, prior art (application number: CN 202120683744.3), the drawing of patterns device of "a polymer plastic template design mould" has been described in this, belong to mould drawing of patterns equipment technical field, this polymer plastic template design mould's drawing of patterns device includes the cover half, the left side of cover half is provided with the movable mould, cover half and movable mould divide and have L type piston groove and sharp piston groove, L type piston groove and sharp piston inslot all are provided with demoulding mechanism, two demoulding mechanism all include the fixed disk, the perforation, the connecting rod, the top plate, piston and reset spring, the equal fixedly connected with fixed disk of circumference inner wall in L type piston groove and sharp piston groove, the perforation has all been seted up on two fixed disks, whole device structure sets up rationally, ingenious design, through all be provided with drawing of patterns mechanism in cover half and the movable mould, not only can improve the drawing of patterns effect, simultaneously also can adapt to different drawing of patterns demands, the suitability of device has been improved greatly, whole device maintenance is convenient simultaneously, the practicality is strong. "

However, the prior art high polymer plastic template forming die still has the defects that the prior high polymer plastic template forming die is provided with a piston groove at the center positions of a movable die and a fixed die and is in conflict with the glue flow channel at the center position of the fixed die in the prior art, so that the glue flow channel (for glue injection) is planned and arranged in the fixed die again, which is troublesome, and secondly, the related ejector plate and piston only have a single ejection function for ejecting the plastic template, so that the functionality is deviated when in use.

Disclosure of utility model

In order to overcome the defects existing in the prior art, a high polymer composite plastic template forming die is provided at present, so that the problem that the existing high polymer plastic template forming die has design defects on the basis of realizing bidirectional demolding and has use function deviation is solved.

In order to achieve the above purpose, the high polymer composite plastic template forming die comprises a movable die and a fixed die, wherein one side of the movable die is provided with a guide pillar and a cavity formed in the same side of the guide pillar, one side of the fixed die is provided with a guide hole and a forming block formed in the same side of the guide hole, meanwhile, the center of the movable die is provided with a rubber runner, the center of the movable die is provided with a horizontal first air runner, the inner side end of the first air runner is connected with a first sub-runner, the inside of the first sub-runner is provided with a limiting ring, the inner side of the limiting ring is provided with a first piston, the inner side end of the first piston is connected with a first sealing block through a connecting rod, meanwhile, the first piston is in sliding connection with the inside of the first sub-runner, the inside of the fixed die is provided with a second air runner, the inner side end of the second air runner is connected with a second sub-runner, the outer side end of the second sealing block is connected with a conical block, and the outer side end of the conical block is connected with a second piston through a connecting block, and the second piston is in sliding connection with the inside the second sub-runner.

Furthermore, the guide post and the die cavity are respectively matched and spliced with the guide hole and the die block, and a forming gap exists between the die cavity and the die block.

Further, the first sub-runners are provided with three groups in the movable mould, and the first sub-runners are communicated with the cavity.

Further, the limiting ring is fixed in the first sub-runner, and in the contact state of the first piston and the limiting ring, the inner side end surface of the first sealing block is flush with the cavity wall at the bottom of the cavity.

Further, the connecting rod outside sliding connection has the fixed block, and the fixed block is fixed between first piston and first sealing block, is equipped with first spring between fixed block and first piston simultaneously and cup joints in the connecting rod outside.

Further, the through hole is formed in the second piston, the outer edge of the second piston is connected with the sliding block, meanwhile the sliding block is in sliding connection with the sliding groove formed in the inner wall of the second sub-runner, and the second spring is arranged at the inner side end of the sliding block.

Further, the connecting block avoids the through hole with the junction of second piston, and the connecting block is connected with the narrow end of toper piece.

The utility model has the beneficial effects that:

1. When the mold is used, after the mold is opened, the air charging equipment is connected to the outer sides of the first air flow channel and the second air flow channel, so that the first piston and the second piston are driven through the first sub flow channel and the second sub flow channel, the connecting rod is pushed through the first piston, the first sealing block is pushed to push out the plastic mold plate, the connecting block, the conical block and the second sealing block are pushed through the second piston, the plastic mold plate is reversely pushed out, the bidirectional demolding effect is realized, the position of the rubber flow channel of the original mold is avoided, the rubber flow channel is not required to be planned in the mold again, the processing cost is reduced, and the mold is convenient to use;

2. When the air flow is blown out through the through hole in the second piston, the second piston block overcomes the resistance of the second spring and moves outwards, so that the second sealing block and the conical block are synchronously driven outwards, when the outer wall of the conical block is separated from the second sub-runner, the air flow is sprayed out through a gap at the outer side of the conical block, the air pressure of the air flow maintains the state at the moment, and then the plastic template can be cooled, and meanwhile the air flow is extruded into the gap between the plastic template and the molded block, so that the cooling of the plastic template can be accelerated while the demolding is more convenient;

3. And in the process of die assembly, the first air flow channel is pressurized and inflated again, so that the air flow blows the second sealing block to the cavity of the movable die, and part of air flow is rebound and reversely blown to the surface of the die block through the cavity, so that impurities and dust can be cleaned on the surfaces of the die cavity and the die block, the influence of the impurities and the dust on the molding of the plastic die plate after die assembly is avoided, the defective rate of molded parts is reduced, the quality of finished products is improved, and the use functionality of the die is improved.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of a movable mold according to an embodiment of the utility model.

Fig. 2 is a schematic diagram of a sectional structure of a stationary mold according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram of a structure a in fig. 1 according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of the structure B in fig. 2 according to an embodiment of the present utility model.

In the figure, 1, a movable die, 11, a guide post, 12, a cavity, 13, a first air runner, 14, a first sub runner, 15, a limiting ring, 16, a first piston, 161, a connecting rod, 162, a first sealing block, 17, a first spring, 18, a fixed block, 2, a fixed die, 21, a guide hole, 22, a block, 23, a glue runner, 24, a second air runner, 25, a second sub runner, 26, a second sealing block, 261, a conical block, 262, a connecting block, 263, a second piston, 264, a through hole, 27, a chute, 28 and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the utility model provides a high polymer composite plastic template forming die, which comprises a movable die 1 and a fixed die 2.

Specifically, a guide pillar 11 is arranged on one side of the movable mold 1, a cavity 12 is arranged on the same side of the guide pillar 11, a guide hole 21 is arranged on one side of the fixed mold 2, a mold block 22 is arranged on the same side of the guide hole 21, a rubber runner 23 is arranged in the center of the movable mold 1, the guide pillar 11 and the cavity 12 are respectively matched and inserted with the guide hole 21 and the mold block 22, a forming gap exists between the cavity 12 and the mold block 22, a horizontal first air runner 13 is arranged in the center of the movable mold 1, the inner side end of the first air runner 13 is connected with a first sub-runner 14, a limiting ring 15 is arranged in the first sub-runner 14, a first piston 16 is arranged on the inner side of the limiting ring 15, a first sealing block 162 is connected to the inner side end of the first piston 16 through a connecting rod 161, a second air runner 24 is arranged in the inner side of the fixed mold 2, the inner side end of the second air runner 24 is connected with a second sub-runner 25, a second sealing block 26 is arranged in the inner side of the second sub-runner 25, the outer side end of the second sealing block 26 is connected with a conical block 261, and the outer side end of the second sealing block 261 is connected with a second sub-runner 263 through a second piston 262 and is connected with a second connecting block 263.

In this embodiment, the movable mold 1 and the fixed mold 2 constitute a main body structure of the polymer composite plastic template molding mold according to the present application.

Wherein, the movable mould 1 and the fixed mould 2 are used for the molding and manufacturing of the polymer composite plastic template.

Wherein, the outer ports of the first air flow channel 13 and the second air flow channel 24 are connected with an air inflation pressurizing device, and the pressure of the split air flow is larger than the elasticity of the spring.

Wherein, the first sealing block 162 and the second sealing block 26 are made of the same material as the mold.

As a preferred embodiment, by providing the limiting ring 15, on one hand, the air flow is conducted through the inner annular hole of the limiting ring to drive the first piston 16 to move, and on the other hand, the limiting blocking of the first piston 16 is facilitated when the first spring 17 is reset, so that the first sealing block 162 is flush with the inner wall of the cavity 12.

Referring to fig. 1 and 3, the first runner 14 is provided with three groups in the movable mold 1, the first runner 14 is communicated with the cavity 12, the limiting ring 15 is fixed in the first runner 14, the inner end surface of the first sealing block 162 is flush with the bottom cavity wall of the cavity 12 in a state that the first piston 16 is in contact with the limiting ring 15, the outer side of the connecting rod 161 is slidably connected with the fixing block 18, the fixing block 18 is fixed between the first piston 16 and the first sealing block 162, and meanwhile, a first spring 17 is arranged between the fixing block 18 and the first piston 16 and sleeved outside the connecting rod 161.

As a preferred embodiment, the reaction force applied to the first piston 16 upon return is facilitated by providing the fixing block 18 such that one end of the first spring 17 is blocked.

As a preferred embodiment, the three sets of first runners 14 and the internal structure provide a balanced thrust force to the molded article during demolding, thereby realizing a stable demolding operation.

Referring to fig. 4, a through hole 264 is formed in the second piston 263, and a sliding block is connected to an outer edge of the second piston 263, and is slidably connected to a sliding groove 27 formed in an inner wall of the second runner 25, and a second spring 28 is disposed at an inner end of the sliding block, a connection portion between the connection block 262 and the second piston 263 avoids the through hole 264, and the connection block 262 is connected to a narrow end of the tapered block 261.

It should be noted that, the cross-sectional area of the through hole 264 is far smaller than the windward area of one side of the second piston 263, so that the pressurized air flow can push the second piston 263, and meanwhile, when the conical block 261 is pushed out to generate the pressure relief gap, the pressurized air flow can maintain the pressure relief state, so that the overflowed air flow realizes the effects of cooling, dust removal and impurity removal.

When the mold is opened, the inflation equipment is connected to the outer sides of the first air flow channel and the second air flow channel, the first piston and the second piston are driven through the first air flow channel and the second air flow channel, the connecting rod is pushed through the first piston, the first sealing block is pushed to push out the plastic mold plate, the connecting block, the conical block and the second sealing block are pushed through the second piston, the plastic mold plate is pushed out reversely, the bidirectional demolding effect is achieved, the glue flow channel position of the original mold is avoided, the glue flow channel is not required to be planned in the mold again, the processing cost is reduced, the use is convenient, when air flows are blown out outwards through the through holes in the second piston, the second piston block overcomes the second spring resistance to drive outwards, the second sealing block and the conical block are driven outwards synchronously, when the outer wall of the conical block is separated from the second air flow channel, at the moment, the air flow maintains the state through the clearance outside the conical block, the air flow can cool the plastic mold plate, the air flow is extruded into the clearance between the plastic mold plate and the mold plate, the cooling of the plastic mold plate can be accelerated while the demolding is facilitated.

The high polymer composite plastic template forming die can effectively solve the problems that the existing high polymer plastic template forming die has design defects on the basis of realizing bidirectional demolding and has functional deviation, and the utility model realizes the effects of reducing the development, processing and manufacturing cost of the die and reducing the defective rate of cooling the high polymer composite plastic template forming part on the basis of realizing the bidirectional demolding effect on the basis of realizing the technology of the existing high polymer composite plastic template forming die.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high polymer composite plastic template forming die comprises a movable die (1) and a fixed die (2), wherein one side of the movable die (1) is provided with a guide pillar (11) and a cavity (12) formed on the same side of the guide pillar (11), one side of the fixed die (2) is provided with a guide hole (21) and a block (22) formed on the same side of the guide hole (21), and meanwhile, the center of the movable die (1) is provided with a glue runner (23), the high polymer composite plastic template forming die is characterized in that the center of the movable die (1) is provided with a horizontal first air runner (13), the inner side end of the first air runner (13) is connected with a first sub-runner (14), a limiting ring (15) is arranged in the first sub-runner (14), the inner side of the limiting ring (15) is provided with a first piston (16), the inner side end of the first piston (16) is connected with a first sealing block (162) through a connecting rod (161), the inner side of the first piston (16) is connected with the first sub-runner (14), the inner side of the fixed die (2) is provided with a second air runner (24), the inner side of the second sub-runner (24) is connected with a second tapered inner side (25), the second sub-runner (25) is connected with the inner side of the second sub-runner (25), meanwhile, the outer side end of the conical block (261) is connected with a second piston (263) through a connecting block (262), and the second piston (263) is connected inside the second sub-runner (25) in a sliding mode.

2. The high polymer composite plastic template molding die according to claim 1, wherein the guide post (11) and the cavity (12) are respectively matched and inserted with the guide hole (21) and the mold block (22), and a molding gap exists between the cavity (12) and the mold block (22).

3. The high polymer composite plastic template molding die according to claim 1, wherein three groups of first sub-runners (14) are arranged in the movable die (1), and the first sub-runners (14) are communicated with the cavity (12).

4. The molding die of the polymer composite plastic formwork according to claim 1, wherein the limiting ring (15) is fixed in the first sub-runner (14), and in a state that the first piston (16) is in contact with the limiting ring (15), the inner side end surface of the first sealing block (162) is flush with the bottom cavity wall of the cavity (12).

5. The high polymer composite plastic template molding die according to claim 1, wherein a fixed block (18) is slidably connected to the outer side of the connecting rod (161), the fixed block (18) is fixed between the first piston (16) and the first sealing block (162), and a first spring (17) is arranged between the fixed block (18) and the first piston (16) and sleeved on the outer side of the connecting rod (161).

6. The molding die of the polymer composite plastic template according to claim 1, wherein a through hole (264) is formed in the second piston (263), a sliding block is connected to the outer edge of the second piston (263), the sliding block is slidably connected to a sliding groove (27) formed in the inner wall of the second runner (25), and a second spring (28) is arranged at the inner side end of the sliding block.

7. The high polymer composite plastic formwork forming mold according to claim 1, wherein a connecting portion of the connecting block (262) and the second piston (263) is kept away from the through hole (264), and the connecting block (262) is connected with a narrow end of the tapered block (261).