CN215849443U - Plastic chain injection mold structure - Google Patents
Plastic chain injection mold structure Download PDFInfo
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- CN215849443U CN215849443U CN202122248970.1U CN202122248970U CN215849443U CN 215849443 U CN215849443 U CN 215849443U CN 202122248970 U CN202122248970 U CN 202122248970U CN 215849443 U CN215849443 U CN 215849443U
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Abstract
The utility model provides a plastic chain injection mold structure which comprises a movable mold and a fixed mold, wherein the fixed mold sequentially comprises a fixed mold bottom plate, a stripper plate and a fixed mold fixing plate from left to right; the plastic chain injection mold structure adopts a three-plate mold structure, waste materials on a runner and a sprue can be separated, subsequent waste materials of the sprue are removed, and the subsequent waste materials are removed.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a plastic chain injection mold structure.
Background
The injection mold is a common mold for molding plastic parts, and plastic parts with various forms can be molded through the injection mold so as to meet various requirements of people. Need utilize the mould in the processing production process of plastics chain, the mould of current production plastics chain adopts the structure of direct drawing of patterns, leads to fashioned chain card to the mould easily and the drawing of patterns fails, influences normal production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plastic chain injection mold structure to solve the technical problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a plastic chain injection mold structure comprises a movable mold and a fixed mold, wherein the fixed mold sequentially comprises a fixed mold base plate, a stripper plate and a fixed mold fixing plate from left to right, a fixed mold core is embedded in the fixed mold fixing plate, a glue injection nozzle is arranged on the left side of the fixed mold base plate, and a pouring gate correspondingly arranged on the stripper plate is communicated with the glue injection nozzle; the movable mould is from right to left for movable mould bottom plate, movable mould liftout subassembly and movable mould fixed plate in proper order, the embedding has the movable mould mold core in the movable mould fixed plate, below between movable mould fixed plate and the cover half fixed plate is equipped with the side and looses the core mechanism, the side is loosed core the mechanism and is included first core pulling block and drive first gliding side and loose core movable assembly, movable mould mold core top swing joint has the second core pulling block, core pulling block and movable mould core butt are taken out to the second, the second is loosed core the block and is passed through to one side top mechanism and movable mould core butt, the mechanism is installed on movable mould liftout subassembly to one side, movable mould core, cover half, first core pulling block and second are loosed core the forming die cavity of block shaping plastic chain.
A first limiting part is arranged between the fixed die base plate and the stripper plate, a first limiting hole is formed in the fixed die base plate, and the first limiting part penetrates through the first limiting hole to be fixedly connected with the stripper plate; the stripper plate is provided with a first limiting part, the stripper plate is provided with a first fixing seat, the stripper plate is provided with a second fixing seat, the first fixing seat is fixedly connected with the first fixing seat, and the other end of the first limiting part penetrates through the second fixing seat and is in sliding connection with the second fixing seat.
The side loose core movable assembly comprises an inclined guide pillar, a sliding block and a pressing block, the inclined guide pillar and the pressing block are fixed on the fixed die fixed plate, the sliding block is connected to the movable die fixed plate in a sliding mode, the first loose core block is fixedly connected with the sliding block, and the pressing block is arranged on the outer side of the sliding block and abutted to the sliding block.
The inclined ejection mechanism comprises an inclined push rod and an inclined push rod base arranged on the right side of the inclined push rod, the inclined push rod base is fixedly connected with the movable die ejection assembly, a limiting through hole is formed in the movable die fixing plate, and the inclined push rod penetrates through the limiting through hole and the movable die core and is fixedly connected with the second core-pulling block.
The included angle between the inclined push rod and the movable mould fixing plate is 5-10 degrees.
The die sinking stroke distance between the fixed die bottom plate and the shedding plate is 8-13 mm.
The die opening stroke distance between the stripper plate and the fixed die fixing plate is 100-150 mm.
Compared with the prior art, the plastic chain injection mold structure provided by the utility model adopts a three-plate mold structure, so that waste materials on a runner and a sprue can be separated, subsequent waste materials on the sprue are removed, and meanwhile, a first molded mold cavity is divided into four, wherein a movable mold core and a fixed mold core respectively mold one fourth of a plastic part, and the other half is molded by a first core pulling block and a second core pulling block.
Drawings
FIG. 1: the utility model relates to a fixed die layout structure view of an injection mold;
FIG. 2: FIG. 1 is a sectional view taken along line A-A;
FIG. 3: the structure of the pitched roof mechanism is schematic.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Specific example 1: referring to fig. 1 to 3, in the embodiment of the utility model, a plastic chain injection mold structure comprises a moving mold and a fixed mold, the fixed mold sequentially comprises a fixed mold base plate 1, a stripper plate 2 and a fixed mold fixing plate 3 from left to right, a fixed mold core 4 is embedded in the fixed mold fixing plate 3, a glue injection nozzle 102 is arranged on the left side of the fixed mold base plate 1, a gate is correspondingly arranged on the stripper plate 2 and communicated with the glue injection nozzle, a point gate is arranged on the fixed mold fixing plate 3 and communicated with the gate, one gate is distributed on each formed ring structure, the number of the gates is set according to actual production requirements, a material pulling rod 18 is arranged on the fixed mold base plate 1, and the material pulling rod 18 penetrates through the stripper plate 2 and is used for hanging runner condensate; the movable mould is from right to left for movable mould bottom plate 5, movable mould liftout subassembly 6 and movable mould fixed plate 7 in proper order, it has movable mould mold core 8 to imbed in the movable mould fixed plate 7, below between movable mould fixed plate 7 and the cover half fixed plate 3 is equipped with side loose core mechanism 11, side loose core mechanism 11 includes first core-pulling block 12 and the gliding side of the first core-pulling block 12 of drive and looses core movable assembly 13, swing joint has second core-pulling block 10 in movable mould mold core 8 top, second core-pulling block 10 and movable mould mold core 8 butt, second core-pulling block 10 is through pushing up mechanism 9 and movable mould mold core 8 butt to one side, mechanism 9 is installed on movable mould liftout subassembly 6 to one side, movable mould core 8, cover half mold core 4, first core-pulling block 12 and second core-pulling block 10 form the forming die cavity of plastic chain.
A first limiting piece 14 is arranged between the fixed die base plate 1 and the stripper plate 2, a first limiting hole 101 is formed in the fixed die base plate 1, and the first limiting piece 14 penetrates through the first limiting hole 101 to be fixedly connected with the stripper plate 2; in this embodiment, the first limiting member 14 is a screw structure, the mold opening stroke distance between the fixed mold base plate 1 and the falling plate is 8-13mm, and in this embodiment, the mold opening stroke distance between the fixed mold base plate 1 and the falling plate is 10 mm.
Take off and be equipped with second locating part 15 between flitch 2 and the cover half fixed plate 3, second locating part 15 is the pull rod structure, take off and install first fixing base 16 on the flitch 2, install second fixing base 17 on the cover half fixed plate 3, the one end and the first fixing base 16 fixed connection of second locating part 15, the other end of second locating part 15 pass second fixing base 17 and with second fixing base 17 sliding connection. The mold opening stroke distance between the stripper plate 2 and the fixed mold fixing plate 3 is 100-150mm, and in this embodiment, the mold opening stroke between the stripper plate 2 and the fixed mold fixing plate 3 is 120 mm.
The side core-pulling movable assembly 13 comprises an inclined guide post 1301, a sliding block 1302 and a pressing block 1303, the inclined guide post 1301 and the pressing block 1303 are fixed on the fixed die fixing plate 3, the sliding block 1302 is connected on the movable die fixing plate 7 in a sliding mode, the first core-pulling block 12 is fixedly connected with the sliding block 1302, and the pressing block 1303 is arranged on the outer side of the sliding block 1302 and abuts against the sliding block 1302.
The inclined ejection mechanism 9 comprises an inclined push rod 901 and an inclined push rod base 902 arranged on the right side of the inclined push rod 901, the inclined push rod base 902 is fixedly connected with the movable die ejector assembly 6, a limit through hole 701 is formed in the movable die fixing plate 7, the inclined push rod 901 penetrates through the limit through hole 701 and the movable die core 8 to be fixedly connected with the second core pulling block 10, an included angle alpha between the inclined push rod 901 and the movable die fixing plate 7 is 5-10 degrees, and in the embodiment, the included angle alpha between the inclined push rod 901 and the movable die fixing plate 7 is 7 degrees.
The working process is as follows: the melt enters a cavity of each ring through a point gate pouring system, after molding, cooling and solidification are completed, a movable die is pulled by an injection molding machine to open the die, the die is firstly opened from a parting surface PL1, namely, a fixed die fixing plate 3 and a stripper plate 2 are opened, a plastic part and runner congeals are separated under the action of a material pulling rod 18, the opening distance of the parting surface PL1 is 120mm, then the die is opened from a parting surface PL2, the stripper plate 2 and a fixed die bottom plate 1 are opened, the stripper plate 2 pushes the runner congeals away from the material pulling rod 18, the die opening distance of the parting surface PL2 is 10mm, then the die is opened from a parting surface PL3, namely, a movable die core and a fixed die core are opened, in the process, the core is separated from the plastic part, a pressing block 1303 firstly leaves a sliding block 1302, then an inclined guide pillar 1301 stirs the fixed die to perform lateral core pulling, the die opening distance of the parting surface PL3 is 120mm, and finally a jacking rod pushes a movable die on the movable die side of the injection molding machine to fix a component, the inclined push rod 901 is pushed towards the fixed mold, and the inclined push rod 901 drives the second core pulling block 10 to move towards the fixed mold, so that the plastic part is pushed out of the mold.
Compared with the prior art, the plastic chain injection mold structure provided by the utility model adopts a three-plate mold structure, waste materials on a runner and a sprue can be separated, subsequent waste materials on the sprue are removed, meanwhile, a first molded mold cavity is divided into four, wherein a fourth molded mold cavity is respectively molded by a movable mold cavity and a fixed mold cavity, the other half molded by a first core pulling block and a second core pulling block, the mold structure is compact, demolding is carried out on a product in the left direction, the right direction, the upper direction and the lower direction during demolding, complete demolding of the product and the mold is ensured, the overall space can be reasonably utilized by utilizing the side core pulling and oblique top mold structures, and the size of the whole mold is reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a plastics chain injection mold structure which characterized in that: the fixed die comprises a fixed die bottom plate, a stripper plate and a fixed die fixing plate in sequence from left to right, a fixed die core is embedded in the fixed die fixing plate, a glue injection nozzle is arranged on the left side of the fixed die bottom plate, and a pouring gate correspondingly arranged on the stripper plate is communicated with the glue injection nozzle; the movable mould is from right to left for movable mould bottom plate, movable mould liftout subassembly and movable mould fixed plate in proper order, the embedding has the movable mould mold core in the movable mould fixed plate, below between movable mould fixed plate and the cover half fixed plate is equipped with the side and looses the core mechanism, the side is loosed core the mechanism and is included first core pulling block and drive first gliding side and loose core movable assembly, movable mould mold core top swing joint has the second core pulling block, core pulling block and movable mould core butt are taken out to the second, the second is loosed core the block and is passed through to one side top mechanism and movable mould core butt, the mechanism is installed on movable mould liftout subassembly to one side, movable mould core, cover half, first core pulling block and second are loosed core the forming die cavity of block shaping plastic chain.
2. The plastic chain injection mold structure according to claim 1, wherein: a first limiting part is arranged between the fixed die base plate and the stripper plate, a first limiting hole is formed in the fixed die base plate, and the first limiting part penetrates through the first limiting hole to be fixedly connected with the stripper plate; the stripper plate is provided with a first limiting part, the stripper plate is provided with a first fixing seat, the stripper plate is provided with a second fixing seat, the first fixing seat is fixedly connected with the first fixing seat, and the other end of the first limiting part penetrates through the second fixing seat and is in sliding connection with the second fixing seat.
3. The plastic chain injection mold structure according to claim 2, wherein: the side loose core movable assembly comprises an inclined guide pillar, a sliding block and a pressing block, the inclined guide pillar and the pressing block are fixed on the fixed die fixed plate, the sliding block is connected to the movable die fixed plate in a sliding mode, the first loose core block is fixedly connected with the sliding block, and the pressing block is arranged on the outer side of the sliding block and abutted to the sliding block.
4. The plastic chain injection mold structure according to claim 1, wherein: the inclined ejection mechanism comprises an inclined push rod and an inclined push rod base arranged on the right side of the inclined push rod, the inclined push rod base is fixedly connected with the movable die ejection assembly, a limiting through hole is formed in the movable die fixing plate, and the inclined push rod penetrates through the limiting through hole and the movable die core and is fixedly connected with the second core-pulling block.
5. The plastic chain injection mold structure according to claim 4, wherein: the included angle between the inclined push rod and the movable mould fixing plate is 5-10 degrees.
6. The plastic chain injection mold structure according to claim 2, wherein: the die sinking stroke distance between the fixed die bottom plate and the shedding plate is 8-13 mm.
7. The plastic chain injection mold structure according to claim 2, wherein: the die opening stroke distance between the stripper plate and the fixed die fixing plate is 100-150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122248970.1U CN215849443U (en) | 2021-09-16 | 2021-09-16 | Plastic chain injection mold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122248970.1U CN215849443U (en) | 2021-09-16 | 2021-09-16 | Plastic chain injection mold structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215849443U true CN215849443U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122248970.1U Active CN215849443U (en) | 2021-09-16 | 2021-09-16 | Plastic chain injection mold structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215849443U (en) |
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2021
- 2021-09-16 CN CN202122248970.1U patent/CN215849443U/en active Active
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