CN216182465U - Rotary demolding structure of flip injection mold - Google Patents
Rotary demolding structure of flip injection mold Download PDFInfo
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- CN216182465U CN216182465U CN202122639272.4U CN202122639272U CN216182465U CN 216182465 U CN216182465 U CN 216182465U CN 202122639272 U CN202122639272 U CN 202122639272U CN 216182465 U CN216182465 U CN 216182465U
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- 238000002347 injection Methods 0.000 title claims abstract description 25
- 239000007924 injection Substances 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000000465 moulding Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000007493 shaping process Methods 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 abstract description 36
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a rotary demolding structure of a flip-open cover injection mold, which comprises a lower mold body, wherein a molding groove is formed in the middle of the upper surface of the lower mold body, a through hole is formed in the inner bottom wall of the molding groove, an installation cavity is formed in the lower mold body, and the through hole is communicated with the installation cavity. According to the rotary demolding structure of the flip injection mold, through the arrangement of the molding groove, after an injection molding piece is molded and cooled, the telescopic device is opened to enable the rotating shaft to rotate, the rotating shaft rotates to drive the thread groove to rotate, and the thread groove and a thread part of the injection molding piece are rotationally separated in the rotating process; the rotation of the rotating shaft simultaneously drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear rotates to drive the rotating column to rotate, the rotating column rotates to enable the threaded rod to move upwards, the square rod is ejected out, and the square rod ejects the injection molding piece; this setting reaches the drawing of patterns of injection molding through mutually supporting of square pole and thread groove, has replaced artifical drawing of patterns, improves production efficiency.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to a rotary demolding structure of a flip injection mold.
Background
In the processing process of an injection mold, some special injection molding workpieces, especially injection molding workpieces with thread structures, are difficult to demold in the conventional mode, most manufacturers can demold the workpieces in a mode of manual rotary demolding, and manual demolding is time-consuming and labor-consuming and is not beneficial to efficient production.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a rotary demolding structure of a flip-open cover injection mold, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a rotary demolding structure of a flip-open injection mold comprises a lower mold body, wherein a molding groove is formed in the middle of the upper surface of the lower mold body, a through hole is formed in the inner bottom wall of the molding groove, an installation cavity is formed in the lower mold body, the through hole is communicated with the installation cavity, and a thread groove is movably connected to the inner wall, close to the molding groove, of the through hole; the lower fixed surface of thread groove is connected with the axis of rotation, the one end of axis of rotation is swing joint with the interior diapire of installation cavity, the first gear of fixed surface of axis of rotation is connected with, the installation cavity is close to the interior diapire swing joint of axis of rotation and rotates the post, the one end fixedly connected with second gear that rotates the post, first gear meshes with the second gear mutually, the internal thread connection who rotates the post has the threaded rod, the one end of threaded rod runs through the second gear, the shaping groove has seted up square groove near the interior diapire of through-hole, the inner wall swing joint in square groove has square pole, the one end of square pole is fixed connection with the one end of threaded rod.
In order to enable the structure to achieve the purpose of driving the rotating shaft to rotate, the surface of the rotating shaft close to the first gear is fixedly connected with a third gear, and one side of the inner wall of the mounting cavity is provided with an extension hole.
In order to enable the structure to achieve the purpose of facilitating installation of a telescopic device, the rotary demolding structure of the flip injection mold is provided with a fixed block fixedly connected to one side of a lower mold body, an installation block fixedly connected to the side face of the fixed block, a hole formed in one side of the installation block, and a moving column movably connected to the inner wall of the hole.
In order to enable the structure to achieve the purpose of driving the rotating shaft to rotate, as the rotary demolding structure of the flip injection mold, one end of the moving column is fixedly connected with a rack, the rack is matched with the third gear, and one end of the rack penetrates through one side of the lower mold body and extends into the installation cavity.
In order to enable the structure to achieve the purpose of driving the rack to move, the other side of the mounting block is fixedly connected with a telescopic device, and a telescopic rod of the telescopic device is fixedly connected with the other end of the moving column.
In order to achieve the purpose of cooling injection molding parts, the rotary demolding structure of the flip injection mold is provided, in the utility model, a ring-shaped cavity is formed in the lower mold body close to a molding groove, a water inlet hole is formed in one side of the inner wall of the ring-shaped cavity, the water inlet hole penetrates through the lower mold body and extends to one side of the lower mold body, a water inlet interface is fixedly connected to one side of the lower mold body close to the water inlet hole, a water outlet hole is formed in the other side of the inner wall of the ring-shaped cavity, the water outlet hole penetrates through the lower mold body and extends to the other side of the lower mold body, and a water outlet interface is fixedly connected to the other side of the lower mold body close to the water outlet hole.
In order to enable the structure to achieve the purpose of facilitating injection molding, the rotary demolding structure of the flip injection mold is provided, the lower mold body is provided with a limiting hole on the upper surface close to the molding groove, a limiting column is movably connected inside the limiting hole, one end of the limiting column is fixedly connected with the upper mold body, and the middle part of the upper surface of the upper mold body is provided with an injection molding hole.
In order to achieve the purpose of preventing the upper mold body and the lower mold body from being attached, the lower surface of the upper mold body is fixedly connected with the ejector pin.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the injection molding device, through the arrangement of the molding groove, the rotating shaft, the thread groove, the first gear, the second gear, the rotating column, the threaded rod and the square rod, after an injection molding body is injected into the molding groove and molded and cooled, the telescopic device is opened to enable the rotating shaft to rotate, the rotating shaft rotates to drive the thread groove to rotate, and the thread groove rotates to be separated from a thread part of an injection molding piece in the rotating process; the rotation of the rotating shaft simultaneously drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear rotates to drive the rotating column to rotate, the rotating column rotates to enable the threaded rod to move upwards, the square rod is ejected out, and the square rod ejects the injection molding piece; this setting reaches the drawing of patterns of injection molding through mutually supporting of square pole and thread groove, has replaced artifical drawing of patterns, improves production efficiency.
2. According to the injection molding device, through the arrangement of the water inlet hole, the annular cavity and the water outlet hole, external cold water enters the annular cavity through the water inlet hole after injection molding is finished, the cold water absorbs heat emitted by an injection molding piece in the annular cavity and is discharged out of the annular cavity through the water outlet hole, circulation and reciprocation are achieved, the cooling speed of the injection molding piece is increased, and the production time is further shortened.
Drawings
Fig. 1 is a schematic structural front view of a rotary demolding structure of a flip-top injection mold according to embodiment 1 of the present invention;
fig. 2 is a schematic side view of a rotary demolding structure of a flip-top injection mold according to embodiment 1 of the present invention;
fig. 3 is a schematic front view, cross-sectional structure view of a rotary demolding structure of a flip-top injection mold in embodiment 1 of the present invention;
fig. 4 is a schematic sectional structure view of an installation cavity of a rotary demolding structure of a flip-top injection mold in embodiment 1 of the present invention;
fig. 5 is a schematic view of the installation of the thimble structure in embodiment 2 of the present invention.
In the figure: 1. a lower die body; 2. forming a groove; 3. a through hole; 4. a mounting cavity; 5. a thread groove; 6. a rotating shaft; 7. a first gear; 8. rotating the column; 9. a second gear; 10. a threaded rod; 11. a thimble; 12. a square groove; 13. a square rod; 14. a third gear; 15. an extension hole; 16. a fixed block; 17. mounting blocks; 18. a hole; 19. moving the column; 20. a rack; 21. a telescoping device; 22. an annular cavity; 23. a water inlet hole; 24. a water inlet interface; 25. a water outlet hole; 26. a water outlet interface; 27. a limiting hole; 28. a limiting column; 29. feeding a mold body; 30. and (5) injection molding holes.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-4, a rotary demolding structure of a flip-open cover injection mold comprises a lower mold body 1, wherein a molding groove 2 is formed in the middle of the upper surface of the lower mold body 1, a through hole 3 is formed in the inner bottom wall of the molding groove 2, an installation cavity 4 is formed inside the lower mold body 1, the through hole 3 is communicated with the installation cavity 4, and a thread groove 5 is movably connected to the inner wall, close to the molding groove 2, of the through hole 3;
in this embodiment, lower fixed surface of thread groove 5 is connected with axis of rotation 6, the one end of axis of rotation 6 is swing joint with the interior diapire of installation cavity 4, the fixed surface of axis of rotation 6 is connected with first gear 7, the interior diapire swing joint that installation cavity 4 is close to axis of rotation 6 has rotation post 8, the one end fixedly connected with second gear 9 of rotation post 8, first gear 7 meshes with second gear 9 mutually, the internal thread of rotation post 8 is connected with threaded rod 10, second gear 9 is run through to the one end of threaded rod 10, square groove 12 has been seted up to the interior diapire that shaping groove 2 is close to through-hole 3, the inner wall swing joint of square groove 12 has square pole 13, the one end of square pole 13 is fixed connection with the one end of threaded rod 10.
When the injection molding machine is used specifically, through the arrangement of the molding groove 2, after an injection molding body is injected into the molding groove 2 and molded and cooled, the telescopic device 21 is opened to enable the rotating shaft 6 to rotate, the rotating shaft 6 rotates to drive the thread groove 5 to rotate, and the thread groove 5 rotates to be separated from a thread part of the injection molding part in the rotating process; the rotation of the rotating shaft 6 simultaneously drives the first gear 7 to rotate, the first gear 7 drives the second gear 9 to rotate, the second gear 9 rotates to drive the rotating column 8 to rotate, the rotating column 8 rotates to enable the threaded rod 10 to move upwards, the square rod 13 is ejected out, and the square rod 13 ejects the injection molding piece; this arrangement achieves the demolding of the injection-molded part by the square rod 13 interacting with the thread groove 5.
In this embodiment, a third gear 14 is fixedly connected to the surface of the rotating shaft 6 close to the first gear 7, and an extension hole 15 is opened on one side of the inner wall of the mounting cavity 4.
When the special gear is used, the third gear 14 is arranged, and conditions are provided for the rack 20 to drive the rotating shaft 6 to rotate.
In this embodiment, a fixing block 16 is fixedly connected to one side of the lower mold body 1, an installation block 17 is fixedly connected to a side surface of the fixing block 16, a hole 18 is formed in one side of the installation block 17, and a moving column 19 is movably connected to an inner wall of the hole 18.
When the telescopic device is used specifically, the arrangement of the movable column 19 provides convenience for the connection of the telescopic device 21 and the rack 20.
In this embodiment, one end of the moving column 19 is fixedly connected with a rack 20, the rack 20 is matched with the third gear 14, and one end of the rack 20 penetrates through one side of the lower die body 1 and extends into the installation cavity 4.
When the special gear is used, the moving column 19 drives the rack 20 to move through the arrangement of the rack 20, and the rack 20 is meshed with the third gear 14 in the moving process to drive the third gear 14 to rotate.
In this embodiment, the other side of the mounting block 17 is fixedly connected with a telescopic device 21, and a telescopic rod of the telescopic device 21 is fixedly connected with the other end of the moving column 19.
When the telescopic device is used specifically, the extension and contraction of the telescopic device 21 drive the movable column 19 to move left and right through the arrangement of the telescopic device 21.
In this embodiment, lower die body 1 has been close to the inside of shaping groove 2 and has been seted up annular chamber 22, inlet opening 23 has been seted up to one side of annular chamber 22 inner wall, inlet opening 23 runs through die body 1 down and extends to one side of die body 1 down, one side fixedly connected with water inlet interface 24 that lower die body 1 is close to inlet opening 23, apopore 25 has been seted up to the opposite side of annular chamber 22 inner wall, apopore 25 runs through die body 1 down and extends to the opposite side of die body 1 down, lower die body 1 is close to the opposite side fixedly connected with water outlet interface 26 of apopore 25.
During the specific use, through the setting of inlet opening 23, external cold water passes through inlet opening 23 and gets into annular chamber 22 after the completion of moulding plastics, and cold water absorbs the heat that the injection molding gived off and discharges annular chamber 22 through apopore 25 in annular chamber 22, and the circulation is reciprocal for the cooling rate of injection molding.
In this embodiment, the lower mold body 1 has a limiting hole 27 formed in the upper surface thereof close to the molding groove 2, the limiting hole 27 has a limiting column 28 movably connected inside thereof, one end of the limiting column 28 is fixedly connected with an upper mold body 29, and an injection molding hole 30 is formed in the middle of the upper surface of the upper mold body 29.
When the injection molding device is used specifically, the upper die body 29 is arranged, and convenience is provided for injection molding of the injection molding body into the molding groove 2.
Working principle; after the injection molding body is injected into the molding groove 2 through the injection molding hole 30, external cold water enters the annular cavity 22 through the water inlet hole 23, the cold water absorbs heat emitted by the injection molding part in the annular cavity 22 and is discharged out of the annular cavity 22 through the water outlet hole 25, and the cooling speed of the injection molding part is increased by circulating and reciprocating; after cooling, the expansion device 21 is opened, the expansion and contraction of the expansion device 21 drives the movable column 19 and the rack 20 to move left and right, the rack 20 is meshed with the third gear 14 in the movement process to drive the third gear 14 to rotate, the third gear 14 rotates to drive the rotating shaft 6 to rotate, the rotating shaft 6 rotates to drive the thread groove 5 to rotate, and the thread groove 5 is rotationally separated from the thread part of the injection molding piece in the rotating process; the rotation of axis of rotation 6 drives first gear 7 simultaneously and rotates, and first gear 7 drives second gear 9 and rotates, and second gear 9 rotates and drives and rotate post 8 and rotate, rotates post 8 and rotates and cause threaded rod 10 to move upwards, ejecting square pole 13, square pole 13 jack-up injection molding reaches the drawing of patterns of injection molding through mutually supporting of square pole 13 and thread groove 5.
Example 2
As shown in fig. 5, the distinguishing features of this embodiment that distinguish embodiment 1 are: the lower surface of the upper die body 29 is fixedly connected with an ejector pin 11.
When the mold is used specifically, the ejector pin 11 is arranged, so that the upper mold body 29 is prevented from being in close contact with the lower mold body 1, and the demolding difficulty is avoided.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a rotatory demolding structure of flip injection mold, includes die body (1) down, its characterized in that: a forming groove (2) is formed in the middle of the upper surface of the lower die body (1), a through hole (3) is formed in the inner bottom wall of the forming groove (2), an installation cavity (4) is formed in the lower die body (1), the through hole (3) is communicated with the installation cavity (4), and a threaded groove (5) is movably connected to the inner wall, close to the forming groove (2), of the through hole (3);
the lower surface of the thread groove (5) is fixedly connected with a rotating shaft (6), one end of the rotating shaft (6) is movably connected with the inner bottom wall of the mounting cavity (4), the surface of the rotating shaft (6) is fixedly connected with a first gear (7), the inner bottom wall of the installation cavity (4) close to the rotating shaft (6) is movably connected with a rotating column (8), one end of the rotating column (8) is fixedly connected with a second gear (9), the first gear (7) is meshed with the second gear (9), a threaded rod (10) is connected with the inner thread of the rotating column (8), one end of the threaded rod (10) penetrates through the second gear (9), the inner bottom wall of the forming groove (2) close to the through hole (3) is provided with a square groove (12), the inner wall swing joint of square groove (12) has square pole (13), the one end of square pole (13) is fixed connection with the one end of threaded rod (10).
2. The rotary demolding structure of a flip-top injection mold according to claim 1, wherein: the surface of the rotating shaft (6) close to the first gear (7) is fixedly connected with a third gear (14), and one side of the inner wall of the mounting cavity (4) is provided with an extension hole (15).
3. The rotary demolding structure of a flip-top injection mold according to claim 1, wherein: one side fixedly connected with fixed block (16) of die body (1) down, the side fixedly connected with installation piece (17) of fixed block (16), hole (18) have been seted up to one side of installation piece (17), the inner wall swing joint of hole (18) has removal post (19).
4. The rotary demolding structure of the flip cover injection mold as claimed in claim 3, wherein: one end of the movable column (19) is fixedly connected with a rack (20), the rack (20) is matched with the third gear (14), and one end of the rack (20) penetrates through one side of the lower die body (1) and extends into the installation cavity (4).
5. The rotary demolding structure of the flip cover injection mold as claimed in claim 3, wherein: the other side fixedly connected with telescoping device (21) of installation piece (17), the telescopic link of telescoping device (21) is fixed connection with the other end that removes post (19).
6. The rotary demolding structure of a flip-top injection mold according to claim 1, wherein: lower die body (1) is close to the inside of shaping groove (2) and has seted up annular chamber (22), inlet opening (23) have been seted up to one side of annular chamber (22) inner wall, inlet opening (23) run through die body (1) down and extend to one side of die body (1) down, one side fixedly connected with water inlet interface (24) that lower die body (1) is close to inlet opening (23), apopore (25) have been seted up to the opposite side of annular chamber (22) inner wall, apopore (25) run through die body (1) down and extend to the opposite side of die body (1) down, die body (1) is close to opposite side fixedly connected with water outlet interface (26) of apopore (25) down.
7. The rotary demolding structure of a flip-top injection mold according to claim 1, wherein: spacing hole (27) have been seted up near the upper surface in shaping groove (2) in die body (1) down, the inside swing joint in spacing hole (27) has spacing post (28), die body (29) in the one end fixedly connected with of spacing post (28), mould hole (30) of moulding plastics have been seted up at the middle part of last die body (29) upper surface.
8. The rotary demolding structure of the flip cover injection mold as claimed in claim 7, wherein: the lower surface of the upper die body (29) is fixedly connected with a thimble (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122639272.4U CN216182465U (en) | 2021-10-29 | 2021-10-29 | Rotary demolding structure of flip injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122639272.4U CN216182465U (en) | 2021-10-29 | 2021-10-29 | Rotary demolding structure of flip injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216182465U true CN216182465U (en) | 2022-04-05 |
Family
ID=80897119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122639272.4U Active CN216182465U (en) | 2021-10-29 | 2021-10-29 | Rotary demolding structure of flip injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216182465U (en) |
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2021
- 2021-10-29 CN CN202122639272.4U patent/CN216182465U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Rotating Ejection Structure for Flap Injection Mold Effective date of registration: 20231101 Granted publication date: 20220405 Pledgee: Bank of China Co.,Ltd. Dongguan Branch Pledgor: Dongguan Yada high precision plastic mould Co.,Ltd. Registration number: Y2023980063656 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |