CN221089844U - Exhaust structure of injection mold - Google Patents
Exhaust structure of injection mold Download PDFInfo
- Publication number
- CN221089844U CN221089844U CN202322756172.9U CN202322756172U CN221089844U CN 221089844 U CN221089844 U CN 221089844U CN 202322756172 U CN202322756172 U CN 202322756172U CN 221089844 U CN221089844 U CN 221089844U
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- exhaust
- injection mold
- movable plate
- exhaust structure
- hole
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- 238000002347 injection Methods 0.000 title claims abstract description 46
- 239000007924 injection Substances 0.000 title claims abstract description 46
- 238000001746 injection moulding Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an exhaust structure of an injection mold, which comprises a lower mold and an upper mold, wherein exhaust devices are symmetrically arranged in the top of the upper mold, an assembly groove is arranged in the center of the exhaust devices, limiting blocks are arranged on two sides of the inside of the assembly groove, exhaust holes are formed in the bottom end of the assembly groove, a plurality of groups of first air guide pipes are arranged in the top end of the assembly groove, and first micro holes are formed in the top end of the assembly groove, close to the inside of the first air guide pipes. According to the utility model, the spring is fixed at the top end of the assembly groove, the movable plate is fixed at the bottom end of the spring, the connecting rod is fixed at the center of the lower end face of the movable plate, and the push block is fixed at the bottom end of the connecting rod, so that the push block is movably installed in the exhaust hole, and the spring drives the push block to longitudinally move along the exhaust hole through the movable plate and the connecting rod, so that the push block can push injection molding liquid in the exhaust hole conveniently, and the exhaust hole is prevented from being blocked by the injection molding liquid.
Description
Technical Field
The utility model relates to the technical field of exhaust structures of injection molds, in particular to an exhaust structure of an injection mold.
Background
Injection molding is a process for mass production of parts having a complicated shape, and is a process for producing a molded article by injecting a plastic into a cavity at high pressure by an injection molding machine after hot-melting, and cooling and solidifying the plastic.
The present injection mold is composed of an upper mold, an upper mold cavity, a lower mold cavity, a limit rod, an injection molding opening, an exhaust device and a cooling device, when the injection mold works, plastic particles are melted at high temperature, molten plastic stock solution is conveyed into the mold cavity through the injection molding opening by an injection molding machine, the stock solution in the mold cavity is cooled and molded by the cooling device, and then an injection molding piece is taken out after the mold is opened, but after the inventor makes effort, the present injection mold is inconvenient to exhaust air in the injection mold, and when the air is exhausted, the exhaust opening is easily blocked by the injection liquid, so that the subsequent injection molding operation is influenced.
Disclosure of utility model
The utility model aims to provide an exhaust structure of an injection mold, which solves the problems that the existing injection mold is inconvenient to exhaust air in the injection mold, and injection liquid easily blocks an exhaust port when exhausting air, so that the subsequent injection operation is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold exhaust structure, includes lower mould and last mould, the inside at last mould top, the symmetry is provided with exhaust apparatus, exhaust apparatus's center department is provided with the assembly groove, the inside both sides of assembly groove are provided with the stopper, just the bottom of assembly groove is provided with the exhaust hole, and the inside at assembly groove top is provided with the first air duct of multiunit, just the inside that the assembly groove top is close to first air duct is provided with first micro-hole, just the outside of stopper has the movable plate through spacing groove movable mounting, the inside of movable plate is provided with multiunit second air duct, just the inside department that is close to the second air duct of movable plate is provided with multiunit second micro-hole, just the center department of movable plate lower terminal surface is provided with the connecting rod, the bottom of connecting rod is provided with the ejector pad, just ejector pad movable mounting is inside the exhaust hole, just the outside of movable plate up end second air duct is provided with the spring, just the top of spring is installed outside at first air duct to the ejector pad internal surface clearance.
As a technical scheme of the utility model, the inside of the top end of the exhaust device is provided with the exhaust port, and the bottom of the exhaust port is provided with the active carbon filter layer so as to facilitate the active carbon filter layer to filter the gas exhausted from the inside of the injection mold.
As a technical scheme of the utility model, a lower die cavity is arranged in the top end of the lower die, a plurality of groups of limiting holes are arranged in the edge of the top end of the lower die, and through holes are formed in the lower die in the center of the bottom end of the limiting holes so that gas in the limiting holes can be discharged through the through holes.
As a technical scheme of the utility model, a first fixing plate is arranged at the edge of the top end of the lower die, a plurality of groups of mounting grooves are formed in the upper end face of the first fixing plate, an annular sliding groove is formed in the first fixing plate at the bottom end of the mounting groove, a plurality of groups of rotary driving pieces are arranged on the lower end face of the first fixing plate, and a rotary shaft is movably arranged at the output end of the rotary driving piece so that the rotary driving piece drives the rotary shaft to rotate.
As a technical scheme of the present utility model, it is characterized in that: the top of rotation axis is provided with the swivel base, the edge of swivel base lower terminal surface is provided with annular slide rail to the rotation axis is rotatory to drive the swivel base and pass through annular slide rail along annular spout rotation.
As a technical scheme of the utility model, a telescopic component is arranged at the center of the upper end face of the rotary base, and a pressing plate is arranged at the output end of the telescopic component, so that the rotary base can drive the pressing plate to rotate and adjust through the telescopic component.
As a technical scheme of the utility model, the upper end face of the lower die is provided with an upper die, the edge of the bottom end of the upper die is provided with a second fixing plate, and a plurality of groups of U-shaped grooves are formed in the second fixing plate so that the telescopic component is arranged in the U-shaped grooves.
As a technical scheme of the utility model, a plurality of groups of limit guide rods are arranged in the lower end face of the upper die, an upper die cavity is arranged in the center of the lower end face of the upper die, and an injection port is arranged in the center of the upper end face of the upper die, so that injection liquid is conveniently conveyed into the upper die cavity through the injection port.
Compared with the prior art, the utility model has the beneficial effects that: the exhaust structure of the injection mold has the advantages of reasonable structure, convenient use, simple later maintenance and the following advantages;
(1) According to the utility model, the spring is fixed at the top end of the assembly groove, the movable plate is fixed at the bottom end of the spring, the connecting rod is fixed at the center of the lower end surface of the movable plate, and the push block is fixed at the bottom end of the connecting rod, so that the push block is movably arranged in the exhaust hole, and the spring drives the push block to longitudinally move along the exhaust hole through the movable plate and the connecting rod, so that the push block can push injection molding liquid in the exhaust hole conveniently, and the exhaust hole is prevented from being blocked by the injection molding liquid;
(2) According to the utility model, the exhaust port is arranged in the top end of the exhaust device, and the active carbon filter layer is arranged in the top end of the exhaust port, so that the active carbon filter layer filters the gas exhausted from the injection mold, the problem that the injection mold cannot process harmful gas generated during injection is solved, and the injection mold is more environment-friendly;
(3) According to the utility model, the rotary driving piece is fixed on the lower end face of the first fixed plate, so that the rotary driving piece drives the rotary base to rotate through the rotary shaft, the rotary base is enabled to move along the annular sliding groove through the annular sliding rail in a rotary mode, meanwhile, the rotary base drives the pressing plate to rotate through the telescopic assembly to adjust, and then the telescopic assembly drives the pressing plate to longitudinally move through the first fixed plate and the second fixed plate to enable the lower die and the through hole to be closed, the problem of poor tightness of the lower die and the upper die of the injection die is solved, and overflow of injection liquid is avoided.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic top view of the lower die of the present utility model;
FIG. 3 is a schematic view showing the bottom internal structure of the upper die of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 1B according to the present utility model.
In the figure: 1. a lower die; 2. a lower die cavity; 3. a limiting hole; 4. a through hole; 5. a first fixing plate; 6. a mounting groove; 7. an annular chute; 8. a rotary driving member; 9. a rotation shaft; 10. rotating the base; 11. an annular slide rail; 12. a telescoping assembly; 13. a pressing plate; 14. an upper die; 15. a second fixing plate; 16. a U-shaped groove; 17. a limit guide rod; 18. an upper die cavity; 19. an injection molding port; 20. an exhaust device; 21. an exhaust port; 22. an activated carbon filter layer; 23. an exhaust hole; 24. a limiting block; 25. an assembly groove; 26. a first air duct; 27. a first micro-hole; 28. a moving plate; 29. a limit groove; 30. a second air duct; 31. a second micro-hole; 32. a spring; 33. a connecting rod; 34. and pushing the block.
Detailed Description
The technical solutions in 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. 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. 1-5, an embodiment of the present utility model is provided: the exhaust structure of the injection mold comprises a lower mold 1 and an upper mold 14, wherein exhaust devices 20 are symmetrically arranged in the top of the upper mold 14, an assembly groove 25 is arranged in the center of the exhaust devices 20, limiting blocks 24 are arranged on two sides of the inside of the assembly groove 25, exhaust holes 23 are arranged at the bottom ends of the assembly groove 25, a plurality of groups of first air guide pipes 26 are arranged in the top ends of the assembly groove 25, a first micro hole 27 is arranged in the top ends of the assembly groove 25 close to the inside of the first air guide pipes 26, a movable plate 28 is movably arranged outside the limiting blocks 24 through limiting grooves 29, a plurality of groups of second air guide pipes 30 are arranged in the movable plate 28, a plurality of groups of second micro holes 31 are arranged in the movable plate 28 close to the second air guide pipes 30, a connecting rod 33 is arranged in the center of the lower end face of the movable plate 28, a pushing block 34 is arranged at the bottom end of the connecting rod 33, the pushing block 34 is movably arranged in the inside the exhaust holes 23, a spring 32 is arranged outside the second air guide pipes 30 on the upper end face of the movable plate 28, and the top ends of the spring 32 are arranged outside the first air guide pipes 26;
When the injection molding device is used, the spring 32 is fixed at the top end of the assembly groove 25, the movable plate 28 is fixed at the bottom end of the spring 32, the connecting rod 33 is fixed at the center of the lower end face of the movable plate 28, and the push block 34 is fixed at the bottom end of the connecting rod 33, so that the push block 34 is movably arranged in the exhaust hole 23, and the spring 32 drives the push block 34 to longitudinally move along the inside of the exhaust hole 23 through the movable plate 28 and the connecting rod 33, so that the push block 34 pushes injection molding liquid in the exhaust hole 23, and the injection molding liquid is prevented from blocking the exhaust hole 23;
an exhaust port 21 is arranged in the top end of the exhaust device 20, and an active carbon filter layer 22 is arranged at the bottom of the exhaust port 21;
When the injection mold is used, the exhaust port 21 is arranged in the top end of the exhaust device 20, and the active carbon filter layer 22 is arranged in the top end of the exhaust port 21, so that the active carbon filter layer 22 filters the gas exhausted from the injection mold;
A lower die cavity 2 is arranged in the top end of the lower die 1, a plurality of groups of limiting holes 3 are formed in the edge of the top end of the lower die 1, and a through hole 4 is formed in the lower die 1 in the center of the bottom end of the limiting holes 3;
When the die is used, the limiting hole 3 is formed in the edge of the lower die 1, and the through hole 4 is formed in the bottom end of the limiting hole 3, so that when the limiting guide rod 17 is arranged in the limiting hole 3, gas in the limiting hole 3 is discharged through the through hole 4;
The edge of the top end of the lower die 1 is provided with a first fixed plate 5, the inside of the upper end surface of the first fixed plate 5 is provided with a plurality of groups of mounting grooves 6, the inside of the first fixed plate 5 at the bottom end of the mounting groove 6 is provided with an annular chute 7, the lower end surface of the first fixed plate 5 is provided with a plurality of groups of rotary driving pieces 8, and the output end of the rotary driving pieces 8 is movably provided with a rotary shaft 9;
when in use, the rotary driving piece 8 drives the rotary shaft 9 to rotate by fixing the rotary driving piece 8 on the lower end surface of the first fixing plate 5;
the top end of the rotating shaft 9 is provided with a rotating base 10, and the edge of the lower end surface of the rotating base 10 is provided with an annular sliding rail 11;
when in use, the rotating base 10 is fixed at the top end of the rotating shaft 9, so that the rotating shaft 9 rotates to drive the rotating base 10 to rotate along the annular chute 7 through the annular slide rail 11;
A telescopic assembly 12 is arranged in the center of the upper end face of the rotary base 10, and a pressing plate 13 is arranged at the output end of the telescopic assembly 12;
When in use, the pressing plate 13 is fixed at the top end of the telescopic component 12, so that the rotary base 10 drives the pressing plate 13 to rotate and adjust through the telescopic component 12, and drives the pressing plate 13 to longitudinally move through the telescopic component 12;
The upper end face of the lower die 1 is provided with an upper die 14, the edge of the bottom end of the upper die 14 is provided with a second fixing plate 15, and a plurality of groups of U-shaped grooves 16 are formed in the second fixing plate 15;
In use, the telescopic assembly 12 is mounted inside the U-shaped groove 16 by fixing the second fixing plate 15 at the edge of the bottom end of the upper die 14 and arranging the U-shaped groove 16 inside the second fixing plate 15;
A plurality of groups of limit guide rods 17 are arranged in the lower end face of the upper die 14, an upper die cavity 18 is arranged in the center of the lower end face of the upper die 14, and an injection molding opening 19 is arranged in the center of the upper end face of the upper die 14;
In use, injection fluid is delivered into the interior of the upper mold cavity 18 through the injection port 19 by securing the injection port 19 within the upper end face center of the upper mold 14.
When the embodiment of the application is used, the following steps are adopted: firstly, the upper die 14 is placed at the top end of the lower die 1, the limit guide rod 17 is arranged in the limit hole 3, then the rotary shaft 9 is driven to rotate by the rotary driving piece 8, the rotary shaft 9 drives the rotary base 10 to rotate, the rotary base 10 drives the pressing plate 13 to rotate by the telescopic component 12, then the pressing plate 13 is driven to move downwards by the telescopic component 12, the pressing plate 13 seals the lower die 1 and the upper die 14 through the second fixing plate 15, injection liquid is conveyed into the injection die through the injection hole 19, meanwhile, gas in the injection die is discharged through the exhaust hole 23, the discharged gas is filtered by the active carbon filter layer 22, harmful gas in the gas is prevented from being discharged into the air, then the spring 32 drives the moving plate 28 to move downwards, and the moving plate 28 drives the pushing block 34 to clear the inner surface of the exhaust hole 23 through the connecting rod 33, so that the use work of the exhaust structure of the injection die is completed.
The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.
Claims (8)
1. The utility model provides an injection mold exhaust structure, includes lower mould (1) and last mould (14), its characterized in that: the inside at last mould (14) top, the symmetry is provided with exhaust apparatus (20), the center department of exhaust apparatus (20) is provided with mounting groove (25), the both sides of mounting groove (25) inside are provided with stopper (24), just the bottom of mounting groove (25) is provided with exhaust hole (23), and the inside at mounting groove (25) top is provided with multiunit first air duct (26), just the inside that mounting groove (25) top is close to first air duct (26) is provided with first micro hole (27), just the outside of stopper (24) is through limiting groove (29) movable mounting movable plate (28), the inside of movable plate (28) is provided with multiunit second air duct (30), just the inside department that is close to second air duct (30) of movable plate (28) is provided with multiunit second micro hole (31), just the center department of movable plate (28) lower terminal surface is provided with connecting rod (33), the bottom of connecting rod (33) is provided with ejector pad (34), just ejector pad (34) movable mounting is in first air duct (26) and outside air duct (32) are provided with on the outside of movable plate (28).
2. The exhaust structure of an injection mold according to claim 1, wherein: and an exhaust port (21) is arranged in the top end of the exhaust device (20), and an active carbon filter layer (22) is arranged at the bottom of the exhaust port (21).
3. The exhaust structure of an injection mold according to claim 1, wherein: the inside on lower mould (1) top is provided with lower die cavity (2), just the inside of lower mould (1) top edge department is provided with multiunit spacing hole (3), the inside of lower mould (1) in spacing hole (3) bottom center department is provided with through-hole (4).
4. The exhaust structure of an injection mold according to claim 1, wherein: the edge on lower mould (1) top is provided with first fixed plate (5), the inside of the up end of first fixed plate (5) is provided with multiunit mounting groove (6), the inside of first fixed plate (5) of mounting groove (6) bottom is provided with annular spout (7), just the lower terminal surface of first fixed plate (5) is provided with multiunit rotary driving piece (8), the output activity of rotary driving piece (8) is provided with rotation axis (9).
5. The exhaust structure of an injection mold according to claim 4, wherein: the top of rotation axis (9) is provided with rotation base (10), the edge of rotation base (10) lower terminal surface is provided with annular slide rail (11).
6. The exhaust structure of an injection mold according to claim 5, wherein: the rotary base is characterized in that a telescopic assembly (12) is arranged at the center of the upper end face of the rotary base (10), and a pressing plate (13) is arranged at the output end of the telescopic assembly (12).
7. The exhaust structure of an injection mold according to claim 1, wherein: the upper end face of the lower die (1) is provided with an upper die (14), a second fixing plate (15) is arranged at the edge of the bottom end of the upper die (14), and a plurality of groups of U-shaped grooves (16) are formed in the second fixing plate (15).
8. The exhaust structure of an injection mold according to claim 1, wherein: the inner part of the lower end face of the upper die (14) is provided with a plurality of groups of limit guide rods (17), the center of the lower end face of the upper die (14) is provided with an upper die cavity (18), and the center of the upper end face of the upper die (14) is provided with an injection molding opening (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322756172.9U CN221089844U (en) | 2023-10-15 | 2023-10-15 | Exhaust structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322756172.9U CN221089844U (en) | 2023-10-15 | 2023-10-15 | Exhaust structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221089844U true CN221089844U (en) | 2024-06-07 |
Family
ID=91306671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322756172.9U Active CN221089844U (en) | 2023-10-15 | 2023-10-15 | Exhaust structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221089844U (en) |
-
2023
- 2023-10-15 CN CN202322756172.9U patent/CN221089844U/en active Active
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