CN113787682A - Multi-direction back-off demoulding mechanism for injection mould plastic part - Google Patents
Multi-direction back-off demoulding mechanism for injection mould plastic part Download PDFInfo
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- CN113787682A CN113787682A CN202111083218.4A CN202111083218A CN113787682A CN 113787682 A CN113787682 A CN 113787682A CN 202111083218 A CN202111083218 A CN 202111083218A CN 113787682 A CN113787682 A CN 113787682A
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- China
- Prior art keywords
- mold
- groove
- die
- plastic part
- lower die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention relates to the field of injection molds, in particular to a multi-direction back-off demolding mechanism for a plastic part of an injection mold, which comprises a base, a top seat and a lower mold, wherein the base is provided with a mold groove, the bottom of the mold groove is provided with a plurality of installation grooves, the top seat is positioned above the base, the bottom of the top seat is provided with an upper mold, injection holes are formed in the top seat and the upper mold, the lower mold is positioned on the mold groove, a telescopic rod is connected between the lower mold and the bottom of the installation grooves, two sides in the lower mold are provided with anti-interference grooves, the inner sides of the anti-interference grooves are provided with sliding grooves, a top mold mechanism is arranged in the sliding grooves, two sides of the lower mold are provided with driving mechanisms, each driving mechanism comprises a fixing plate, a sliding rod and a lifting plate, and the fixing plates are fixed on the side faces of the lower mold. According to the invention, the injection mold can be conveniently separated by adjusting the driving mechanism and the mold ejecting mechanism, the operation is simple and convenient, the time and the labor are saved, and the demolding efficiency is improved.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a multi-direction back-off demolding mechanism for a plastic part of an injection mold.
Background
The thermoplastic plastic injection molding method is characterized in that plastic materials are melted and then injected into a film cavity, the melted plastic enters a mold, is cooled and is molded into a certain shape according to the mold cavity, the obtained shape is often the final finished product, and no other processing is needed before the final finished product is installed or used; the back-off is a protruding or sunken part of a plastic product arranged on the product for meeting the assembly use requirement, the plastic product cannot slide out along the mold splitting direction after being molded, the back-off prevents the product from directly separating when the fixed mold and the movable mold are separated, and a fixed mold or movable mold sliding block mechanism or an inclined top mechanism is usually adopted to realize the demoulding of the back-off. The existing buckle demoulding operation is very complicated, wastes time and labor, and reduces the demoulding efficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a multidirectional reverse buckling demolding mechanism for a plastic part of an injection mold.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a multi-direction back-off demoulding mechanism of injection mold plastic part, includes base, footstock and bed die, be equipped with the mould groove on the base, and the bottom in mould groove is equipped with a plurality of mounting grooves, the footstock is located the top of base, and the bottom of footstock is equipped with the mould, be equipped with the hole of moulding plastics in footstock and the last mould, the bed die is located the mould groove, and is connected with the telescopic link between bed die and the mounting groove bottom, and the both sides in the bed die all are equipped with the jam-proof groove, and the inboard in jam-proof groove is equipped with the spout, be equipped with a mould mechanism in the spout, the both sides of bed die all are equipped with actuating mechanism, and actuating mechanism include fixed plate, slide bar and carry the lifter plate, the fixed plate is fixed in the bed die side.
Preferably, the telescopic rod is sleeved with a spring, and two ends of the spring are respectively connected with the lower die and the bottom of the mounting groove.
Preferably, the slide bar is in sliding fit with a through hole formed in the fixed plate, and a pressing plate is arranged at the bottom end of the slide bar.
Preferably, the bottom of one end of the lifting plate is connected with the top end of the sliding rod, and the other end of the lifting plate extends to the sliding groove.
Preferably, a gas spring is connected between one end of the lifting plate close to the sliding rod and the fixing plate.
Preferably, the top die mechanism comprises a sliding rod, a resisting block and a top head, and the top head is arranged at the top end of the sliding rod.
Preferably, the abutting block is arranged on one side of the sliding rod and is positioned above the lifting plate.
The invention has the beneficial effects that:
1. according to the invention, the injection mold can be conveniently separated by adjusting the driving mechanism and the mold ejecting mechanism, the operation is simple and convenient, the time and the labor are saved, and the demolding efficiency is improved.
2. The telescopic rod and the spring can provide certain buffering force, so that the upper die and the lower die can be buffered when being closed, and deformation or damage is avoided.
Drawings
FIG. 1 is a schematic structural view of a front cross-section of a multi-directional undercut demolding mechanism for a plastic part of an injection mold according to the present invention;
FIG. 2 is an enlarged schematic structural view of the injection mold plastic part multi-directional back-off demolding mechanism at the position A;
fig. 3 is an enlarged structural diagram of a part B of the multi-directional back-off demolding mechanism for the plastic part of the injection mold according to the invention.
In the figure: the injection molding device comprises a base 1, a top seat 2, a mold groove 3, a mounting groove 4, an upper mold 5, a lower mold 6, an anti-interference groove 61, a sliding groove 62, a driving mechanism 7, a fixing plate 71, a sliding rod 72, a pulling plate 73, a gas spring 74, a pressing plate 75, a top mold mechanism 8, a sliding rod 81, a abutting block 82, a top head 83, a telescopic rod 9, a spring 10 and an injection molding hole 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a multi-direction reverse buckling demolding mechanism for an injection mold plastic part comprises a base 1, a top seat 2 and a lower mold 6, wherein a mold groove 3 is arranged on the base 1, and the bottom of the mould groove 3 is provided with a plurality of mounting grooves 4, the top seat 2 is positioned above the base 1, the bottom of the top seat 2 is provided with an upper mould 5, injection holes 11 are arranged in the top seat 2 and the upper mould 5, the lower mould 6 is positioned on the mould groove 3, and a telescopic rod 9 is connected between the lower die 6 and the bottom of the mounting groove 4, and interference preventing grooves 61 are arranged on both sides of the lower die 6, and the inner side of the interference-proof groove 61 is provided with a sliding groove 62, the sliding groove 62 is provided with a top die mechanism 8, the two sides of the lower die 6 are provided with driving mechanisms 7, and the driving mechanism 7 comprises a fixed plate 71, a sliding rod 72 and a lifting plate 73, the fixed plate 71 is fixed on the side surface of the lower die 6, a spring 10 is sleeved on the telescopic rod 9, and two ends of the spring 10 are respectively connected with the lower die 6 and the bottom of the mounting groove 4. The telescopic rod 9 and the spring 10 can provide certain buffering force, so that the upper die 5 and the lower die 6 can be buffered when being closed, and deformation or damage is avoided.
The sliding rod 72 is in sliding fit with a through hole formed in the fixing plate 71, a pressing plate 75 is arranged at the bottom end of the sliding rod 72, the bottom of one end of the lifting plate 73 is connected with the top end of the sliding rod 72, the other end of the lifting plate 73 extends to the sliding groove 62, and a gas spring 74 is connected between one end of the lifting plate 73 close to the sliding rod 72 and the fixing plate 71. Pressing the pressing plate 75 upwards, the pressing plate 75 drives the sliding rod 72 to move, the sliding rod 72 pushes the lifting plate 73, and simultaneously the lifting plate 73 stretches the gas spring 74.
The top die mechanism 8 includes a sliding rod 81, a resisting block 82 and a top head 83, the top head 83 is disposed at the top end of the sliding rod 81, the resisting block 82 is disposed at one side of the sliding rod 81, and the resisting block 82 is located above the lifting plate 73. The lifting plate 73 pushes the abutting block 82 to move, the abutting block 82 drives the sliding rod 81 and the ejector 83 to move upwards, and the ejector 83 pushes the injection mold to be separated, so that the injection mold can be conveniently separated by adjusting the driving mechanism 7 and the ejector mechanism 8, the operation is simple and convenient, time and labor are saved, and the demolding efficiency is improved.
Example (b): the telescopic rod 9 and the spring 10 can provide certain buffering force, so that the upper die 5 and the lower die 6 can be buffered when being closed, and deformation or damage is avoided. Pressing the pressing plate 75 upwards, the pressing plate 75 drives the sliding rod 72 to move, the sliding rod 72 pushes the lifting plate 73, and simultaneously the lifting plate 73 stretches the gas spring 74. The lifting plate 73 pushes the abutting block 82 to move, the abutting block 82 drives the sliding rod 81 and the ejector 83 to move upwards, and the ejector 83 pushes the injection mold to be separated, so that the injection mold can be conveniently separated by adjusting the driving mechanism 7 and the ejector mechanism 8, the operation is simple and convenient, time and labor are saved, and the demolding efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a multi-direction back-off demoulding mechanism of injection mold plastic part which characterized in that includes:
the die comprises a base (1), wherein a die groove (3) is formed in the base (1), and a plurality of mounting grooves (4) are formed in the bottom of the die groove (3);
the top seat (2) is positioned above the base (1), an upper die (5) is arranged at the bottom of the top seat (2), and injection molding holes (11) are formed in the top seat (2) and the upper die (5); and
the lower die comprises a lower die (6), the lower die (6) is located on a die groove (3), a telescopic rod (9) is connected between the lower die (6) and the bottom of a mounting groove (4), anti-interference grooves (61) are formed in two sides of the lower die (6), a sliding groove (62) is formed in the inner side of each anti-interference groove (61), a top die mechanism (8) is arranged in each sliding groove (62), driving mechanisms (7) are arranged on two sides of the lower die (6), each driving mechanism (7) comprises a fixing plate (71), a sliding rod (72) and a lifting plate (73), and the fixing plate (71) is fixed on the side face of the lower die (6).
2. The multi-directional reversing demolding mechanism for the injection molding part of the claim 1, characterized in that the telescopic rod (9) is sleeved with a spring (10), and two ends of the spring (10) are respectively connected with the lower mold (6) and the bottom of the installation groove (4).
3. The multi-directional reversing demolding mechanism for the injection molding plastic part, as recited in claim 1, characterized in that the sliding rod (72) is in sliding fit with a through hole formed in the fixed plate (71), and a pressing plate (75) is arranged at the bottom end of the sliding rod (72).
4. The multi-directional inverted ejector mechanism for the injection mold plastic part as recited in claim 3, wherein the bottom of one end of the pulling plate (73) is connected with the top end of the sliding rod (72), and the other end of the pulling plate (73) extends to the sliding groove (62).
5. The multi-directional undercut ejector mechanism for injection mold parts according to claim 4, wherein a gas spring (74) is connected between the end of the lifting plate (73) near the slide rod (72) and the fixed plate (71).
6. The multi-directional inverted buckle ejection mechanism for the injection mold plastic part according to claim 1, characterized in that the top mold mechanism (8) comprises a slide bar (81), a resisting block (82) and a top head (83), and the top head (83) is arranged at the top end of the slide bar (81).
7. The multi-directional inverted-buckle ejection mechanism for the injection mold plastic part according to claim 6, wherein the abutting block (82) is disposed on one side of the sliding rod (81), and the abutting block (82) is located above the lifting plate (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111083218.4A CN113787682A (en) | 2021-09-15 | 2021-09-15 | Multi-direction back-off demoulding mechanism for injection mould plastic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111083218.4A CN113787682A (en) | 2021-09-15 | 2021-09-15 | Multi-direction back-off demoulding mechanism for injection mould plastic part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113787682A true CN113787682A (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111083218.4A Pending CN113787682A (en) | 2021-09-15 | 2021-09-15 | Multi-direction back-off demoulding mechanism for injection mould plastic part |
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| CN (1) | CN113787682A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734582A (en) * | 2022-04-22 | 2022-07-12 | 湖北华鑫光电有限公司 | Cross double-channel lens barrel mold structure and forming method thereof |
-
2021
- 2021-09-15 CN CN202111083218.4A patent/CN113787682A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734582A (en) * | 2022-04-22 | 2022-07-12 | 湖北华鑫光电有限公司 | Cross double-channel lens barrel mold structure and forming method thereof |
| CN114734582B (en) * | 2022-04-22 | 2022-12-02 | 湖北华鑫光电有限公司 | Cross-shaped double-flow-passage lens barrel mold structure and forming method thereof |
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