CN213947306U - Micro-foaming injection mold exhaust structure - Google Patents
Micro-foaming injection mold exhaust structure Download PDFInfo
- Publication number
- CN213947306U CN213947306U CN202021329635.3U CN202021329635U CN213947306U CN 213947306 U CN213947306 U CN 213947306U CN 202021329635 U CN202021329635 U CN 202021329635U CN 213947306 U CN213947306 U CN 213947306U
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- fixedly connected
- mould
- fixed
- exhaust
- connecting plate
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 238000005187 foaming Methods 0.000 title claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 230000000670 limiting effect Effects 0.000 claims description 22
- 238000001746 injection moulding Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a little foaming injection mold exhaust structure relates to injection mold technical field, including unable adjustment base and fixed mould, the equal spacing post of fixedly connected with in four edges of unable adjustment base upper surface, be equipped with directly over the fixed mould and remove the mould, every the top of spacing post all runs through and removes the mould and extends to the outside of removing the mould, and spacing post and removal mould sliding connection, the last fixed surface intercommunication that removes the mould has the injection pipe, the air discharge duct has been seted up to the bottom surface of removing the mould, the inner wall fixedly connected with closure plate of air discharge duct. The utility model relates to a rational in infrastructure, it can be through sealed piece, air discharge duct, hemisphere piece, closure plate, first connecting plate, expanding spring and the cooperation setting between the blast pipe, can effectually extract the air in the fixed mould to guaranteed the exhaust effect to in the fixed mould, also prevent simultaneously that blocking phenomenon from appearing in the air discharge duct.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is a foaming injection mold exhaust structure a little.
Background
The injection mold is an important process device for producing various industrial products, and is widely applied to various industries along with the rapid development of the plastic industry and the popularization and application of plastic products in the industrial departments of aviation, aerospace, electronics, machinery, ships, automobiles and the like.
In the production process of the micro-foaming injection mold, in order to ensure the air tightness of a molded product, an upper mold of the mold is required to be provided with an exhaust structure, however, the existing exhaust structure usually uses a plurality of exhaust holes, and the exhaust holes are easily blocked after an injection molding workpiece is cured, so that the product quality is influenced, and meanwhile, the injection molding workpiece is not convenient to be subjected to demolding treatment. For this reason, we provide a micro-foaming injection mold exhaust structure to solve the above problems.
SUMMERY OF THE UTILITY MODEL
One) technical problem to be solved
The utility model aims at providing a little foaming injection mold exhaust structure in order to compensate the not enough of prior art.
II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a micro-foaming injection mold exhaust structure comprises a fixed base and a fixed mold, wherein four corners of the upper surface of the fixed base are fixedly connected with limit columns, a movable mold is arranged right above the fixed mold, the top end of each limit column penetrates through the movable mold and extends to the outside of the movable mold, the limit columns are in sliding connection with the movable mold, the upper surface of the movable mold is fixedly communicated with an injection molding pipe, the bottom surface of the movable mold is provided with an exhaust groove, the inner wall of the exhaust groove is fixedly connected with a blocking plate, a first connecting plate is arranged inside the exhaust groove, the bottom surface of the first connecting plate is fixedly connected with a hemispherical block, the outer surface of the hemispherical block is matched with the caliber value of the blocking plate, the upper surface of the first connecting plate is fixedly connected with a telescopic spring, the top end of the telescopic spring is fixedly connected with the inner top wall of the exhaust groove, and the inner wall of the exhaust groove is fixedly communicated with an exhaust pipe, and the top of blast pipe runs through the removal mould and extends to the outside that removes the mould, the equal fixedly connected with connecting rod of the left and right sides face that removes the mould, two symmetrical first spouts have been seted up to unable adjustment base's bottom surface, and first spout runs through the fixed mould, every the connecting rod all runs through unable adjustment base and fixed mould in proper order and extends to the inside of first spout near the top of fixed mould, every the equal fixedly connected with rubber sleeve in top of connecting rod, and the surface of rubber sleeve pastes with the inner wall of first spout mutually.
Further, the equal fixedly connected with rubber circle in upper surface of fixed mould and the bottom surface of first limiting plate, and two rubber circle size homogeneous phases, the top of moulding plastics the pipe is equipped with sealed lid.
Furthermore, the bottom surface of the fixed die is fixedly connected with two symmetrical first limiting plates, and one side surfaces, close to each other, of the two first limiting plates are connected with the outer surface of the fixed die in a sliding mode.
Further, four supporting legs of unable adjustment base's bottom surface fixedly connected with, per two equal fixedly connected with second connecting plate, every between the supporting leg the equal fixedly connected with of upper surface of second connecting plate two symmetrical second limiting plates, every group the second spout has all been seted up to a side that the second limiting plate is close to each other, every the front and the back of connecting rod all rotate and are connected with first gyro wheel, and first gyro wheel and second spout sliding connection.
Furthermore, every the equal fixedly connected with rubber pad of bottom surface of supporting leg.
Furthermore, two symmetrical third chutes are formed in the inner wall of the exhaust duct, the left end and the right end of the first connecting plate both extend into the third chutes and are rotatably connected with second rollers, the second rollers are connected with the third chutes in a sliding manner, and the width value of the first connecting plate is smaller than the caliber value of the exhaust duct.
Thirdly), the beneficial effects are as follows:
compared with the prior art, this little foaming injection mold exhaust structure possesses following beneficial effect:
(1) the utility model can effectively extract the air in the fixed mould through the matching arrangement among the sealing block, the exhaust groove, the hemispherical block, the blocking plate, the first connecting plate, the expansion spring and the exhaust pipe, thereby ensuring the exhaust effect in the fixed mould and simultaneously preventing the exhaust groove from being blocked;
(2) the utility model discloses a cooperation setting between connecting rod, first spout and the rubber sleeve can effectually be convenient for carry out the drawing of patterns with the work piece after moulding plastics to this injection mold's practicality has been improved.
Drawings
FIG. 1 is a three-dimensional structure of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 1.
In the figure: 1. a fixed base; 2. a fixed mold; 3. a limiting column; 4. moving the mold; 5. injection molding a tube; 6. A first limit plate; 7. supporting legs; 8. a second connecting plate; 9. a second limiting plate; 10. a support plate; 11. A connecting rod; 12. a first chute; 13. a rubber sleeve; 14. an exhaust pipe; 15. a second chute; 16. a first roller; 17. a sealing block; 18. a hemispherical block; 19. a blocking plate; 20. an exhaust groove; 21. a third chute; 22. a second roller; 23. a first connecting plate; 24. a telescoping spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: a micro-foaming injection mold exhaust structure comprises a fixed base 1 and a fixed mold 2, wherein four corners of the upper surface of the fixed base 1 are fixedly connected with limit columns 3, a movable mold 4 is arranged right above the fixed mold 2, the top end of each limit column 3 penetrates through the movable mold 4 and extends to the outside of the movable mold 4, the limit columns 3 are in sliding connection with the movable mold 4, the upper surface of the movable mold 4 is fixedly communicated with an injection molding pipe 5, the bottom surface of the movable mold 4 is provided with an exhaust groove 20, the inner wall of the exhaust groove 20 is fixedly connected with a blocking plate 19, a first connecting plate 23 is arranged inside the exhaust groove 20, the bottom surface of the first connecting plate 23 is fixedly connected with a hemispherical block 18, the outer surface of the hemispherical block 18 is matched with the caliber value of the blocking plate 19, the upper surface of the first connecting plate 23 is fixedly connected with a telescopic spring 24, the top end of the telescopic spring 24 is fixedly connected with the inner top wall of the exhaust groove 20, the fixed intercommunication in inner wall of exhaust duct 20 has blast pipe 14, and the top of blast pipe 14 runs through and removes mould 4 and extend to the outside of removing mould 4, the equal fixedly connected with connecting rod 11 of the left and right sides face that removes mould 4, two symmetrical first spouts 12 have been seted up to unable adjustment base 1's bottom surface, and first spout 12 runs through fixed mould 2, every connecting rod 11 all runs through unable adjustment base 1 and fixed mould 2 in proper order and extends to the inside of first spout 12 near the top of fixed mould 2, the equal fixedly connected with rubber sleeve 13 in top of every connecting rod 11, and the surface of rubber sleeve 13 pastes with the inner wall of first spout 12 mutually.
Further, the upper surface of fixed mould 2 and the equal fixedly connected with rubber circle of bottom surface of first limiting plate 6, and two rubber circles size homogeneous phase equals, and the top of injection molding pipe 5 is equipped with sealed lid. The phenomenon of air leakage inside the fixed mold 2 can be effectively prevented, thereby ensuring the sealing property inside the fixed mold 2.
Furthermore, two symmetrical first limiting plates 6 are fixedly connected to the bottom surface of the fixed mold 2, and one side surfaces of the two first limiting plates 6, which are close to each other, are connected with the outer surface of the fixed mold 2 in a sliding manner. The close contact effect between the two sealing blocks 17 can be effectively ensured, thereby further ensuring the sealing property in the fixed die 2.
Further, four supporting legs 7 of unable adjustment base 1's bottom surface fixedly connected with, equal fixedly connected with second connecting plate 8 between per two supporting legs 7, two symmetrical second limiting plate 9 of the equal fixedly connected with of upper surface of every second connecting plate 8, second spout 15 has all been seted up to a side that every group second limiting plate 9 is close to each other, the front and the back of every connecting rod 11 all rotate and are connected with first gyro wheel 16, and first gyro wheel 16 and 15 sliding connection of second spout, the width value of first connecting plate 23 is less than the aperture value of air discharge duct 20. Can play effectual spacing effect to connecting rod 11 to can be better carry out drawing of patterns jack-up to the work piece of moulding plastics.
Furthermore, the rubber pad 10 is fixedly connected to the bottom surface of each supporting leg 7, so that the friction force between the supporting legs 1 and the ground can be improved, and the stability of the device is further guaranteed.
Further, two symmetrical third chutes 21 are formed in the inner wall of the exhaust duct 20, the left end and the right end of the first connecting plate 23 both extend into the third chutes 21 and are rotatably connected with second rollers 22, the second rollers 22 are slidably connected with the third chutes 21, and the width of the first connecting plate 23 is smaller than the diameter of the exhaust duct 20. Can effectively stabilize the hemisphere block 18 when rising, and simultaneously, the hemisphere block 18 has a limiting effect.
The working principle is as follows: firstly, the movable mould 4 is controlled to descend, the two sealing blocks 17 are respectively attached to each other to ensure the sealing effect in the fixed mould 2, meanwhile, the connecting rod 11 just can block the opening at the bottom wall in the fixed mould 2 to ensure the sealing effect of the fixed mould 2 to prevent air leakage, the sealing cover at the injection pipe 5 is opened, the workpiece raw material is introduced into the fixed mould 2 through the injection pipe 5, then the air in the fixed mould 2 is extracted by connecting the exhaust pipe 14 with an air extraction pump, the air suction force in the exhaust pipe 14 sucks the semi-spherical block 18, the semi-spherical block 18 is far away from the blocking plate 19, the air in the fixed mould 2 can be extracted, when the workpiece raw material is about to be filled into the fixed mould 2, the air extraction in the fixed mould 2 can be closed, and at the moment, the semi-spherical block 18 is attached to the blocking plate 19 by the elasticity of the telescopic spring 24, meanwhile, the workpiece raw materials in the fixed die 2 are molded, the movable die 4 can be controlled to ascend after the molding, the connecting rod 11 is driven to ascend, and the rubber sleeve 13 can jack the injection molded workpiece so as to be convenient for taking out the workpiece.
It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a little foaming injection mold exhaust structure, includes unable adjustment base (1) and fixed mould (2), its characterized in that: four corners of the upper surface of the fixed base (1) are fixedly connected with limiting columns (3), a movable mold (4) is arranged right above the fixed mold (2), the top end of each limiting column (3) penetrates through the movable mold (4) and extends to the outside of the movable mold (4), the limiting columns (3) are connected with the movable mold (4) in a sliding manner, the upper surface of the movable mold (4) is fixedly communicated with an injection molding pipe (5), the bottom surface of the movable mold (4) is provided with an exhaust groove (20), the inner wall of the exhaust groove (20) is fixedly connected with a blocking plate (19), a first connecting plate (23) is arranged inside the exhaust groove (20), the bottom surface of the first connecting plate (23) is fixedly connected with a hemispherical block (18), the outer surface of the hemispherical block (18) is matched with the caliber value of the blocking plate (19), the upper surface of the first connecting plate (23) is fixedly connected with a telescopic spring (24), the top end of the extension spring (24) is fixedly connected with the inner top wall of the exhaust groove (20), the inner wall of the exhaust groove (20) is fixedly communicated with an exhaust pipe (14), the top end of the exhaust pipe (14) penetrates through the movable die (4) and extends to the outside of the movable die (4), the left side surface and the right side surface of the movable die (4) are both fixedly connected with connecting rods (11), the bottom surface of the fixed base (1) is provided with two symmetrical first sliding chutes (12), the first sliding chute (12) penetrates through the fixed die (2), the top end of each connecting rod (11) close to the fixed die (2) sequentially penetrates through the fixed base (1) and the fixed die (2) and extends to the inside of the first sliding chute (12), the top end of each connecting rod (11) is fixedly connected with a rubber sleeve (13), and the outer surface of the rubber sleeve (13) is attached to the inner wall of the first sliding groove (12).
2. The exhaust structure of a micro-foaming injection mold according to claim 1, wherein: the equal fixedly connected with rubber circle in the upper surface of fixed mould (2) and the bottom surface of first limiting plate (6), and two rubber circle size homonymies are equal, the top of moulding plastics pipe (5) is equipped with sealed lid.
3. The exhaust structure of a micro-foaming injection mold according to claim 1, wherein: the bottom surface of the fixed die (2) is fixedly connected with two symmetrical first limiting plates (6), and one side surfaces, close to each other, of the two first limiting plates (6) are connected with the outer surface of the fixed die (2) in a sliding mode.
4. The exhaust structure of a micro-foaming injection mold according to claim 1, wherein: four supporting legs (7) of bottom surface fixedly connected with of unable adjustment base (1), per two equal fixedly connected with second connecting plate (8), every between supporting leg (7) the equal fixedly connected with of upper surface of second connecting plate (8) two symmetrical second limiting plate (9), every group second spout (15), every have all been seted up to a side that second limiting plate (9) are close to each other the front and the back of connecting rod (11) all rotate and are connected with first gyro wheel (16), and first gyro wheel (16) and second spout (15) sliding connection.
5. The exhaust structure of a micro-foaming injection mold according to claim 4, wherein: the bottom surface of each supporting leg (7) is fixedly connected with a rubber pad (10).
6. The exhaust structure of a micro-foaming injection mold according to claim 1, wherein: two symmetrical third chutes (21) are formed in the inner wall of the exhaust groove (20), the left end and the right end of the first connecting plate (23) extend into the third chutes (21) and are rotatably connected with second rollers (22), the second rollers (22) are slidably connected with the third chutes (21), and the width value of the first connecting plate (23) is smaller than the caliber value of the exhaust groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329635.3U CN213947306U (en) | 2020-07-07 | 2020-07-07 | Micro-foaming injection mold exhaust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329635.3U CN213947306U (en) | 2020-07-07 | 2020-07-07 | Micro-foaming injection mold exhaust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213947306U true CN213947306U (en) | 2021-08-13 |
Family
ID=77191845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021329635.3U Expired - Fee Related CN213947306U (en) | 2020-07-07 | 2020-07-07 | Micro-foaming injection mold exhaust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213947306U (en) |
-
2020
- 2020-07-07 CN CN202021329635.3U patent/CN213947306U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210813 |