CN220219539U - Anti-warping and anti-shrink injection mold - Google Patents
Anti-warping and anti-shrink injection mold Download PDFInfo
- Publication number
- CN220219539U CN220219539U CN202321464614.6U CN202321464614U CN220219539U CN 220219539 U CN220219539 U CN 220219539U CN 202321464614 U CN202321464614 U CN 202321464614U CN 220219539 U CN220219539 U CN 220219539U
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- rotating
- hinge
- chute
- lower die
- mold
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- 238000002347 injection Methods 0.000 title claims abstract description 32
- 239000007924 injection Substances 0.000 title claims abstract description 32
- 238000001125 extrusion Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses an injection mold capable of preventing warping and shrink marks, which relates to the technical field of injection molds and comprises a lower mold mechanism, an upper mold mechanism, a limiting slide column, an upper mold plate, a forming lug, a limiting slide column, a first sliding groove and a rotating mechanism, wherein a moving mechanism is arranged in the first sliding groove in a sliding manner, and a control mechanism is arranged at one end of the first sliding groove in the lower mold mechanism in a sliding manner. The utility model is provided with a moving mechanism; the plastic injection part is not arranged below the upper die plate when the plastic injection part is taken out by a worker, the die is in an open state, a better heat dissipation effect is achieved, the plastic injection part is taken out after being completely cooled, and warping and sink marks caused by a demoulding mechanism can be effectively prevented.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold capable of preventing warping and shrink marks.
Background
The plastic mould is a tool matched with a plastic forming machine in the plastic processing industry and endows a plastic product with complete configuration and accurate size.
The warping and shrinkage marks of injection molding products are generated in various ways, one of the reasons is the warping deformation and shrinkage marks generated by the mucosa during demolding, and in the production of injection molding parts in the prior art, the automatic demolding structure can often effectively increase the production efficiency when being applied to mass production;
there are some early-produced auto parts or other injection products with longer service life, after the products appear for several years, when the auto parts are replaced, the auto parts are generally required to be replaced, and therefore, the type of mold can adopt a demolding-free structure so as to avoid buckling deformation and sink marks caused by the influence of the demolding structure during demolding, and in order to achieve the purpose of taking out the injection part after the injection part is completely in the lower mold, an injection mold is provided.
Disclosure of Invention
The utility model aims to provide an injection mold capable of preventing warping and shrink marks, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an injection mold of buckling prevention and shrink prevention mark, includes lower mould mechanism, lower mould mechanism's top is provided with mould mechanism, go up mould mechanism including spacing traveller, cope match-plate pattern and shaping lug, spacing traveller fixed mounting is in lower mould mechanism's inside and run through to lower mould mechanism's top, the cope match-plate pattern sets up in lower mould mechanism's top, just the cope match-plate pattern cup joints in the outside of spacing traveller, shaping lug fixed mounting is in the bottom of cope match-plate pattern, spacing traveller evenly is provided with a plurality ofly, first spout that runs through to inside is seted up on lower mould mechanism's top and the below that is located the cope match-plate pattern, the inside slip of first spout is provided with moving mechanism, the inside rotating mechanism that runs through to lower mould mechanism top that has been seted up of one end of lower mould mechanism, rotating mechanism is used for assisting moving mechanism's removal, the one end of first spout and the inside slidable mounting who is located lower mould mechanism have control mechanism, control mechanism is used for controlling upper mould mechanism's opening and closing, moving mechanism includes the lower hinge, second hinge, third hinge, the bottom of the die cavity, the second hinge, the bottom of the die cavity, the second hinge, the bottom link, the first hinge, the bottom link, the handle, the first hinge, the bottom link and the bottom of the die holder.
As still further aspects of the utility model: the rotary mechanism comprises a second chute, a third chute, a first hinge and a rotary groove, wherein the second chute is arranged inside one end of the lower die mechanism and penetrates to the top end of the lower die mechanism, the third chute is arranged inside one end of the lower die mechanism and penetrates to the top end of the lower die mechanism, the connecting rod is sleeved inside the third chute, the first hinge is provided with two hinges, the two hinges are respectively fixedly arranged inside the first chute, the size of the first hinge is matched with that of the bearing groove, the rotary groove is provided with two hinges, and the rotary groove is respectively arranged inside the second chute.
As still further aspects of the utility model: the rotating rods are arranged in four, two rotating rods are respectively connected in the two first hinges in a rotating mode, and the other two rotating rods are respectively connected in the two rotating grooves in a rotating mode.
As still further aspects of the utility model: the control mechanism comprises an extrusion column, a limit column, a control switch and a time relay, wherein the extrusion column is slidably mounted in the lower die mechanism and penetrates through one end of the first sliding groove, one end of the extrusion column is arc-shaped, the limit column is fixedly mounted on two sides of the extrusion column, the control switch is fixedly mounted on one end of the extrusion column, and the time relay is fixedly mounted in the lower die mechanism.
As still further aspects of the utility model: the second sliding groove and the third sliding groove are symmetrically arranged.
As still further aspects of the utility model: the third hinges and the rotating rods are all arranged in four, the four third hinges and the rotating rods are uniformly distributed at the bottom end of the lower die plate, one end of each rotating rod is rotationally connected with the two first hinges, and the other two rotating rods are rotationally connected in the two rotating grooves.
As still further aspects of the utility model: the control switch is electrically connected with the time relay through a wire, and the control switch is electrically connected with a power supply through an electric connector.
Compared with the prior art, the utility model has the beneficial effects that:
by arranging a moving mechanism; the plastic injection part is not arranged below the upper die plate when the plastic injection part is taken out by a worker, the die is in an open state, a better heat dissipation effect is achieved, the plastic injection part is taken out after being completely cooled, and warping and sink marks caused by a demoulding mechanism can be effectively prevented.
Drawings
FIG. 1 is a schematic view of an injection mold with warpage and shrink resistance;
FIG. 2 is a diagram showing the structure of the lower mold mechanism of an injection mold for preventing warpage and shrink marks;
FIG. 3 is an enlarged view of a warp and shrink resistant injection mold at A;
FIG. 4 is a schematic view of a movement mechanism of an injection mold for preventing warpage and shrink marks;
FIG. 5 is a view showing another direction of a lower mold mechanism of an injection mold for preventing warpage and shrinkage marks;
fig. 6 is a partial cross-sectional view of a lower mold mechanism of an injection mold that is warp-proof and shrink-proof.
In the figure: 1. a lower die mechanism; 101. a first chute; 2. an upper die mechanism; 201. a limit sliding column; 202. an upper template; 203. forming a bump; 3. a rotating mechanism; 301. a second chute; 302. a third chute; 303. a first hinge; 304. a rotating groove; 4. a moving mechanism; 401. a lower template; 402. a mold cavity; 403. a second hinge; 404. a handle; 405. a connecting rod; 406. a third hinge; 407. a rotating lever; 408. a carrying groove; 5. a control mechanism; 501. an extrusion column; 502. a limit column; 503. a control switch; 504. a time relay.
Detailed Description
Referring to fig. 1-6, in an embodiment of the utility model, an injection mold for preventing warpage and shrink marks comprises a lower mold mechanism 1, wherein an upper mold mechanism 2 is arranged at the top end of the lower mold mechanism 1, the upper mold mechanism 2 comprises a limit slide column 201, an upper mold plate 202 and a forming lug 203, the limit slide column 201 is fixedly arranged in the lower mold mechanism 1 and penetrates through the upper end of the lower mold mechanism 1, the upper mold plate 202 is arranged above the lower mold mechanism 1, the upper mold plate 202 is sleeved outside the limit slide column 201, the forming lug 203 is fixedly arranged at the bottom end of the upper mold plate 202, a plurality of limit slide columns 201 are uniformly arranged, a first slide groove 101 penetrating through to the inside is arranged at the top end of the lower mold mechanism 1 and below the upper mold plate 202, a moving mechanism 4 is arranged in the first slide groove 101 in a sliding manner, a rotating mechanism 3 penetrating through to the top end of the lower mold mechanism 1 is arranged in one end of the lower mold mechanism 1, the rotating mechanism 3 is used for assisting the movement of the moving mechanism 4, one end of the first chute 101 is arranged in the lower die mechanism 1 and is slidably provided with the control mechanism 5, the control mechanism 5 is used for controlling the opening and closing of the upper die mechanism 2, the moving mechanism 4 comprises a lower die plate 401, a die cavity 402, a second hinge 403, a handle 404, a connecting rod 405, a third hinge 406, a rotating rod 407 and a bearing groove 408, the lower die plate 401 is sleeved on the inner side of the first chute 101, the die cavity 402 is arranged in the lower die plate 401 and penetrates through the top end of the lower die plate, the second hinge 403 is fixedly arranged at one end of the lower die plate 401, one end of the connecting rod 405 is rotationally connected with the second hinge 403, the handle 404 is rotationally connected with the other end of the connecting rod 405, the third hinge 406 is fixedly arranged at the bottom ends of the two sides of the lower die plate 401, the rotating rod 407 is rotationally arranged on the inner side of the third hinge 406, a bearing slot 408 is formed in the bottom end of the lower die plate 401.
In this embodiment, the handle 404 is pulled to pull the link 405, so as to pull the second hinge 403 rotatably connected to the link 405, the second hinge 403 is pulled to drive the lower mold plate 401 to move, and then the lower mold plate 401 is driven to move by four rotating rods 407 rotatably connected to the third hinge 406, so that the lower mold plate 401 is pulled out, the lower mold plate 401 is not under the upper mold plate 202, and then the injection molding piece is cooled.
In fig. 1, 2, 3, 5: the rotating mechanism 3 comprises a second chute 301, a third chute 302, a first hinge 303 and a rotating groove 304, wherein the second chute 301 is arranged in one end of the lower die mechanism 1 and penetrates to the top end of the lower die mechanism 1, the third chute 302 is arranged in one end of the lower die mechanism 1 and penetrates to the top end of the lower die mechanism 1, a connecting rod 405 is sleeved in the third chute 302, the first hinges 303 are arranged in two, the two first hinges 303 are respectively fixedly arranged in the first chute 101, the size of the first hinges 303 are matched with a bearing groove 408, the rotating groove 304 is arranged in two, the two rotating grooves 304 are respectively arranged in the second chute 301, the rotating rods 407 are arranged in four, the two rotating rods 407 are respectively connected in the two first hinges 303 in a rotating way, the other two rotating rods 407 are respectively connected in the two rotating grooves 304 in a rotating way, the second chute 301 and the third chute 302 are symmetrically arranged in two, the third hinges 406 and the rotating rods 406 are respectively arranged in four, the four third hinges 406 and the rotating rods 406 are respectively arranged in the two rotating rods 401 and are evenly distributed in the two rotating rods 407, and are connected in the two rotating rods 407 at the two ends of the two rotating rods 401.
In this embodiment, when the mold cavity 402 is closed by the second chute 301 and the third chute 302, the connecting rod 405 and the rotating rod 407 should not protrude to the outside to cause failure of closing the mold, and then when the handle 404 is pulled by providing two first hinges 303, the two rotating rods 407 rotate in one hinge 303, and then the other two rotating rods 407 rotate in the rotating grooves 304 by the rotating grooves 304 formed in the third chute 302, so that the four rotating rods 407 simultaneously drive the lower mold plate 401 to move.
In fig. 1, 2, 3, 5: the rotating mechanism 3 comprises a second chute 301, a third chute 302, a first hinge 303 and a rotating groove 304, wherein the second chute 301 is arranged inside one end of the lower die mechanism 1 and penetrates through the top end of the lower die mechanism 1, two rotating rods 407 are arranged in the second chute 301 in a sliding manner, the third chute 302 is arranged inside one end of the lower die mechanism 1 and penetrates through the top end of the lower die mechanism 1, a connecting rod 405 is arranged in the third chute 302 in a sliding manner, the first hinge 303 is fixedly arranged inside the first chute 101, the size of the first hinge 303 is matched with that of a bearing groove 408, the rotating groove 304 is arranged inside the second chute 301, the rotating rods 407 are rotationally connected in the rotating groove 304, the second chute 301, the third chute 302, the first hinge 303 and the rotating groove 304 are symmetrically arranged, the third hinge 406 and the rotating rods 407 are four, the fourth third hinge 406 and the rotating rods 407 are uniformly distributed at the bottom ends of the lower die plate 401, one ends of the two rotating rods 304 are rotationally connected with the two first hinges 303, and the two rotating rods 407 are rotationally connected in the two grooves.
In this embodiment, when the molding protrusion 203 and the mold cavity 402 are clamped by the second chute 301 and the third chute 302, the phenomenon that the mold cannot be clamped due to the protrusion of the connecting rod 405 and the rotating rod 407 is avoided, and then when the handle 404 is pulled by providing two first hinges 303, the two rotating rods 407 rotate in one hinge 303, and then the other two rotating rods 407 rotate in the rotating grooves 304 by the rotating grooves 304 formed in the third chute 302, so that the four rotating rods 407 simultaneously drive the lower mold plate 401 to move.
In fig. 2, 5: the control mechanism 5 comprises an extrusion column 501, a limit column 502, a control switch 503 and a time relay 504, wherein the extrusion column 501 is slidably mounted in the lower die mechanism 1 and penetrates through one end of the first chute 101, one end of the extrusion column 501 is provided with an arc shape, the limit column 502 is fixedly mounted on two sides of the extrusion column 501, the control switch 503 is fixedly mounted on one end of the extrusion column 501, the time relay 504 is fixedly mounted in the lower die mechanism 1, the control switch 503 is electrically connected with the time relay 504 through a wire, and the control switch 503 is electrically connected with a power supply through an electric connector.
In this embodiment, the top end of the upper template 202 is connected with an external electric push rod, the electric push rod is electrically connected with a time relay 504, firstly, the lower template 401 is pressed to be pressed with an arc-shaped pressing plate 502, the pressing plate 502 slides in the lower die mechanism 1 through a limit post 502, so that the pressing plate is pressed to a control switch 503, the control switch is electrified through a wire, the time relay 504 is electrified, the upper template 202 is operated after a few seconds after the time relay 504 is electrified, when the handle 404 is pulled, the lower template 401 does not squeeze the extrusion post 501, at the moment, the pressing post 501 does not squeeze the control switch 503, the control switch 503 is not electrified, at the moment, the upper template 202 is not operated, and the upper template 202 can be operated only after the lower template 401 is reset, so that the upper template 202 can not be suddenly pressed down when an injection molding piece is taken out, and the lower die mechanism 1 and a worker are injured.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides an injection mold of warp and shrink mark, includes lower mould mechanism (1), the top of lower mould mechanism (1) is provided with mould mechanism (2), last mould mechanism (2) are including spacing traveller (201), cope match-plate pattern (202) and shaping lug (203), the top of spacing traveller (201) fixed mounting lower mould mechanism (1), cope match-plate pattern (202) cup joint in the outside of spacing traveller (201), shaping lug (203) fixed mounting is in the bottom of cope match-plate pattern (202), spacing traveller (201) evenly are provided with a plurality ofly, its characterized in that,
the automatic forming machine is characterized in that a first sliding groove (101) penetrating through the top end of the lower die mechanism (1) is formed in the upper end of the lower die mechanism (1), a moving mechanism (4) is slidably arranged in the first sliding groove (101), a rotating mechanism (3) penetrating through the top end of the lower die mechanism (1) is formed in one end of the lower die mechanism (1), the rotating mechanism (3) is used for assisting in moving of the moving mechanism (4), a control mechanism (5) is slidably arranged at one end of the first sliding groove (101) and located in the lower die mechanism (1), and the control mechanism (5) is used for controlling the upper die mechanism (2) to be opened and closed;
the moving mechanism (4) comprises a lower die plate (401), a die cavity (402), a second hinge (403), a handle (404), a connecting rod (405), a third hinge (406), a rotating rod (407) and a bearing groove (408);
the lower die plate (401) is sleeved on the inner side of the first sliding groove (101), the die cavity (402) is formed in the lower die plate (401) and penetrates through the die cavity to the top end of the die cavity, the second hinge (403) is fixedly mounted at one end of the lower die plate (401), one end of the connecting rod (405) is rotatably connected with the second hinge (403), the handle (404) is rotatably connected with the other end of the connecting rod (405), the third hinge (406) is fixedly mounted at the bottom ends of the two sides of the lower die plate (401), the rotating rod (407) is rotatably mounted on the inner side of the third hinge (406), and the bearing groove (408) is formed in the bottom end of the lower die plate (401).
2. The injection mold of claim 1, wherein the rotating mechanism (3) comprises a second chute (301), a third chute (302), a first hinge (303) and a rotating groove (304), the second chute (301) and the third chute (302) are arranged inside one end of the lower mold mechanism (1), the connecting rod (405) is sleeved inside the third chute (302), the first hinge (303) is provided with two, the two first hinges (303) are respectively and fixedly installed inside the first chute (101), the rotating groove (304) is provided with two, and the two rotating grooves (304) are respectively arranged inside the second chute (301).
3. The buckling and shrink-proof injection mold according to claim 2, wherein four rotation bars (407) are provided, two rotation bars (407) are rotatably connected in the two first hinges (303), and the other two rotation bars (407) are rotatably connected in the two rotation grooves (304).
4. The injection mold of claim 1, wherein the control mechanism (5) comprises an extrusion column (501), a limit column (502), a control switch (503) and a time relay (504), the extrusion column (501) is slidably mounted in the lower mold mechanism (1), one end of the extrusion column (501) is arc-shaped, the limit column (502) is fixedly mounted on two sides of the extrusion column (501), the control switch (503) is fixedly mounted on one end of the extrusion column (501), and the time relay (504) is fixedly mounted in the lower mold mechanism (1).
5. The warpage and shrink resistant injection mold of claim 2, wherein the second runner (301) and the third runner (302) are symmetrically arranged.
6. The injection mold of claim 2, wherein four third hinges (406) and rotating rods (407) are respectively provided, the four third hinges (406) and the rotating rods (407) are uniformly distributed at the bottom end of the lower mold plate (401), one end of each rotating rod (407) is rotationally connected with each first hinge (303), and the other two rotating rods (407) are rotationally connected in the two rotating grooves (304).
7. The warpage and shrink resistant injection mold of claim 4, wherein the control switch (503) is electrically connected to the time relay (504) via a wire, and the control switch (503) is electrically connected to a power source via an electrical connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321464614.6U CN220219539U (en) | 2023-06-09 | 2023-06-09 | Anti-warping and anti-shrink injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321464614.6U CN220219539U (en) | 2023-06-09 | 2023-06-09 | Anti-warping and anti-shrink injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220219539U true CN220219539U (en) | 2023-12-22 |
Family
ID=89172634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321464614.6U Active CN220219539U (en) | 2023-06-09 | 2023-06-09 | Anti-warping and anti-shrink injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220219539U (en) |
-
2023
- 2023-06-09 CN CN202321464614.6U patent/CN220219539U/en active Active
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