CN220555208U - Injection mold ejection device - Google Patents
Injection mold ejection device Download PDFInfo
- Publication number
- CN220555208U CN220555208U CN202322117171.XU CN202322117171U CN220555208U CN 220555208 U CN220555208 U CN 220555208U CN 202322117171 U CN202322117171 U CN 202322117171U CN 220555208 U CN220555208 U CN 220555208U
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- ejection
- frame
- pressure
- mold
- fixedly arranged
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 5
- 238000007373 indentation Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 description 8
- 238000001746 injection moulding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold ejection device, which aims to solve the technical problems that the traditional direct physical contact type ejection structure easily causes ejection marks or indentations on the surface of a mold, and then the yield and the attractiveness of a molding mold material are reduced. The device comprises a frame, wherein an outer die is fixedly arranged on the surface of the frame, a demoulding frame driven by a screw rod driving module is connected to the inner sliding connection of the frame, an inner die is connected to the inner wall of the demoulding frame in a rotating manner, an ejection hole is fixedly formed in the axis position of the inner die, an ejection head is connected to the inner wall of the ejection hole in a sliding manner, a high-pressure spraying channel is fixedly formed in the axis position of the ejection head, a group of ejection spraying holes communicated with the high-pressure spraying channel are formed in the ejection head, and a pressure conveying pipe is connected to the inner wall of the high-pressure spraying channel in a sliding manner. According to the utility model, through the arrangement of the ejection spray hole and the high-pressure spray channel, the direct physical ejection structure of the ejection device in the traditional injection mold is changed into an airflow type non-contact ejection structure.
Description
Technical Field
The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold ejection device.
Background
The existing injection mold generally comprises an upper mold base, a male mold fixed on the upper mold base, a lower mold base and an ejection device, wherein after the mold is molded, the mold is ejected by the ejection device inside the mold.
In the prior art, patent document with publication number CN215969909U discloses an injection mold ejection device, which comprises a base and a mold arranged at the upper end of the base, wherein a through groove is formed in the upper part of the base, an ejection mechanism is arranged in the through groove, the ejection mechanism comprises a plurality of ejector blocks, a plurality of ejector rods and a component plate, the component plate is driven by a driving device and moves linearly back and forth in the through groove, the plurality of ejector rods are distributed in a matrix and are fixedly connected with the component plate, the plurality of ejector blocks, the plurality of ejector rods and the component plate are matched for use, so that the mold can be ejected under multiple positions, the thrust of a movable rack is effectively dispersed, the mold is stressed more uniformly, the mold is not easy to be damaged, the quality of a finished product of the mold is ensured, the mold can be ejected under physical pressure due to the adoption of a physical ejection structure, but the direct physical contact type ejection structure easily causes ejection marks or indentations on the surface of the mold, and then the yield and the attractiveness of the molded mold are reduced.
Disclosure of Invention
(1) Technical problem to be solved
Aiming at the defects of the prior art, the utility model aims to provide an ejection device of an injection mold, which aims to solve the technical problems that the traditional direct physical contact type ejection structure easily causes ejection marks or indentations on the surface of the mold, and then the yield and the attractiveness of a molding material are reduced.
(2) Technical proposal
In order to solve the technical problems, the utility model provides an injection mold ejection device which comprises a frame, wherein an outer mold is fixedly arranged on the surface of the frame, a demolding frame driven by a screw rod driving module is connected in a sliding manner in the frame, an inner mold is rotatably connected to the inner wall of the demolding frame, an ejection hole is fixedly formed in the axis position of the inner mold, an ejection head is connected in a sliding manner to the inner wall of the ejection hole, a high-pressure spray channel is fixedly formed in the axis position of the ejection head, a group of ejection spray holes communicated with the high-pressure spray channel are formed in the inner wall of the ejection head, a pressure conveying pipe is communicated with the inner wall of the high-pressure spray channel in a sliding manner, a high-pressure pump communicated with the pressure conveying pipe is fixedly arranged on the back surface of the frame, a linkage assembly is arranged on the surface of the frame, and the surface of the demolding frame is in a differential linkage in the same direction with the ejection head through the linkage assembly.
Preferably, a molding die cavity is fixedly arranged between the opposite surfaces of the outer die and the inner die, and a feeding pipe communicated with the molding die cavity is fixedly arranged at the axis position of the outer die.
Further, the ejection hole is a cylindrical counter bore, the shape of the ejection head is matched with the shape of the ejection hole, and the axis of the ejection spray hole is parallel to the axes of the high-pressure spray channel and the ejection hole.
Furthermore, a sealing ring which is in sliding connection with the high-pressure spraying channel is fixedly arranged at the end part of the pressure conveying pipe, and a filter is fixedly arranged at one end of the air inlet of the high-pressure pump.
Still further, the linkage subassembly is including being fixed in the fixed pinion rack on frame surface, being fixed in the driven pinion rack on top head surface, rotate and connect the driven gear between the shelve internal surface and rotate the differential axle of being connected between the shelve internal surface, the flank of fixed pinion rack and driven pinion rack all is connected with driven gear drive, fixed pinion rack and driven pinion rack set up respectively in driven gear's both sides, driven gear's side fixed mounting has the transmission bevel gear, the rear end fixed mounting of differential axle has the driven bevel gear with transmission bevel gear meshing, the front end fixed mounting of differential axle has the driving gear, the week side fixed mounting of interior mould has the passive ring gear of being connected with the driving gear drive.
Still further, the inside fixed mounting of interior mould has a set of electric rod, the inside fixed water-cooling ring chamber of seting up of interior mould, the fixed surface mounting of frame has the water-cooling case, the side fixed mounting of water-cooling case has the pump body, the one end and the water-cooling case intercommunication of pump body inlet, the one end of pump body liquid outlet has the branch liquid ring canal through the fixed intercommunication of ripple hose, the surface and the water-cooling ring chamber rotation intercommunication of branch liquid ring canal.
(3) Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the ejection spray holes and the high-pressure spray channels, the direct physical ejection structure of the ejection device in the traditional injection mold is changed into an airflow type non-contact ejection structure, and through the conversion of the ejection structure, the technical problems that the traditional direct physical contact ejection structure is easy to cause ejection marks or indentations on the surface of the mold, and then the yield and the aesthetic degree of the molding mold material are reduced are effectively solved;
2. according to the utility model, through the rotary ejection structure of the inner die during demolding, the ejection easiness of the forming die material from the inner die can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of an ejector of an injection mold according to the present utility model;
FIG. 2 is a schematic view of a partial enlarged structure of the present utility model at A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1 according to the present utility model;
FIG. 4 is a schematic view of a partial enlarged structure at B in FIG. 3 according to the present utility model;
fig. 5 is a schematic view of a partially enlarged structure of fig. 3C according to the present utility model.
The marks in the drawings are: 1. a frame; 2. an outer mold; 3. a screw rod driving module; 4. removing the die carrier; 5. an inner mold; 6. a top head; 7. high-pressure spraying channels; 8. ejecting the spray hole; 9. a pressure delivering pipe; 10. a high pressure pump; 11. feeding pipes; 12. a tooth fixing plate; 13. a driven toothed plate; 14. a driven gear; 15. a differential shaft; 16. a drive gear; 17. a passive gear ring; 18. an electric heating rod; 19. a water-cooling annular cavity; 20. a water cooling tank; 21. and (5) a liquid separation ring pipe.
Detailed Description
Referring to fig. 1-5, the present embodiment is an injection mold ejection device, which includes a frame 1, an outer mold 2 is fixedly mounted on a surface of the frame 1, and a demolding frame 4 driven by a screw driving module 3 is slidably connected inside the frame 1;
the screw rod driving module 3 comprises a driving motor and a transmission screw rod respectively, and the output shaft end of the driving motor is fixedly connected with the transmission screw rod;
the inner wall of the demoulding frame 4 is rotationally connected with an inner mould 5;
a molding die cavity is fixedly arranged between the opposite surfaces of the outer die 2 and the inner die 5, and a feeding pipe 11 communicated with the molding die cavity is fixedly arranged at the axis position of the outer die 2;
in operation, the feeding pipe 11 is communicated with an external injection molding raw material supply device, and the external raw material supply device is used for supplying injection molding molten raw material into a molding cavity;
a group of electric heating rods 18 are fixedly arranged in the inner die 5, a water cooling annular cavity 19 is fixedly arranged in the inner die 5, a water cooling tank 20 is fixedly arranged on the surface of the frame 1, a pump body is fixedly arranged on the side surface of the water cooling tank 20, one end of a liquid inlet of the pump body is communicated with the water cooling tank 20, one end of a liquid outlet of the pump body is fixedly communicated with a liquid distribution annular pipe 21 through a corrugated hose, and the surface of the liquid distribution annular pipe 21 is rotationally communicated with the water cooling annular cavity 19;
the water cooling and heating states of the inner die 5 are switched through the arrangement of the electric heating rod 18 and the water cooling annular cavity 19;
an ejection hole is fixedly formed in the axis position of the inner die 5, the ejection hole is a cylindrical counter bore, an ejection head 6 is connected to the inner wall of the ejection hole in a sliding manner, and the shape of the ejection head 6 is matched with that of the ejection hole;
the axial position of the ejection head 6 is fixedly provided with a high-pressure spray channel 7, a group of ejection spray holes 8 communicated with the high-pressure spray channel 7 are formed in the ejection head 6, and the axial line of the ejection spray holes 8 is parallel to the axial lines of the high-pressure spray channel 7 and the ejection holes;
the inner wall of the high-pressure spraying channel 7 is slidingly communicated with a pressure delivering pipe 9, the end part of the pressure delivering pipe 9 is fixedly provided with a sealing ring which is slidingly connected with the high-pressure spraying channel 7, the back surface of the frame 1 is fixedly provided with a high-pressure pump 10 which is communicated with the pressure delivering pipe 9, and one end of an air inlet of the high-pressure pump 10 is fixedly provided with a filter;
by the arrangement of the filter, the high-pressure pump 10 is effectively ensured to supply the air flow without impurities;
the surface of the frame 1 is provided with a linkage assembly, and the surface of the demoulding frame 4 is in same-direction differential linkage with the ejection head 6 through the linkage assembly.
The linkage assembly comprises a fixed toothed plate 12 fixed on the surface of the frame 1, a driven toothed plate 13 fixed on the surface of the ejection head 6, a driven gear 14 rotationally connected between the inner surfaces of the demoulding frames 4 and a differential shaft 15 rotationally connected between the inner surfaces of the demoulding frames 4, tooth surfaces of the fixed toothed plate 12 and the driven toothed plate 13 are in transmission connection with the driven gear 14, the fixed toothed plate 12 and the driven toothed plate 13 are respectively arranged on two sides of the driven gear 14, a transmission bevel gear is fixedly arranged on the side surface of the driven gear 14, a driven bevel gear meshed with the transmission bevel gear is fixedly arranged at the tail end of the differential shaft 15, a driving gear 16 is fixedly arranged at the front end of the differential shaft 15, and a driven gear ring 17 in transmission connection with the driving gear 16 is fixedly arranged on the peripheral side surface of the inner mould 5.
During operation, the feeding pipe 11 is communicated with external injection molding raw material supply equipment, the external raw material supply equipment is used for carrying out injection molding molten raw material supply operation to the inside of a molding die cavity, before injection molding, the inner die 5 and the outer die 2 are attached into a whole, the ejection head 6 seals the ejection hole, before injection molding, the electric heating rod 18 heats the inner die 5, then, external molten raw material is quantitatively fed into the molding die cavity, after the raw material is fed into the water cooling annular cavity 19, then, the inner die 5 is subjected to water cooling operation, after the molten material is molded, the demolding frame 4 moves, then the inner die 5 and the outer die 2 are mutually far away, when the inner die 5 is far away from the outer die 2, the ejection head 6 is far away from the ejection hole, so that the ejection jet hole 8 is communicated with the ejection hole, during operation of the screw driving module 3, the high-pressure pump 10 synchronously pushes out air, then the molding die material is ejected in a non-contact mode through high-pressure air flow, and during operation of the screw driving module 3, the inner die 5 rotates, so that the easy effect of the molding die material is improved.
All technical features in the embodiment can be freely combined according to actual needs.
The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.
Claims (6)
1. The utility model provides an injection mold ejecting device, includes frame (1), its characterized in that, the fixed surface of frame (1) installs outer mould (2), the inside sliding connection of frame (1) has and send pressure pipe (9) through lead screw drive module (3) driven, the inner wall rotation of frame (4) is connected with interior mould (5), the fixed ejecting hole that has seted up in axis position of interior mould (5), the inner wall sliding connection in ejecting hole has ejecting head (6), the fixed ejecting orifice (8) that have seted up in axis position of ejecting head (6), ejecting orifice (8) of a set of and high pressure that spout (7) communicate are seted up to the inside of ejecting head (6), the inner wall sliding communication of high pressure spout (7) has and send pressure pipe (9), the back fixed mounting of frame (1) has and send pressure pipe (9) communicating high-pressure pump (10), the surface mounting of frame (1) has the ejecting subassembly, the surface of frame (4) is through the linkage subassembly with ejecting head (6) with the same differential linkage.
2. Injection mold ejection device according to claim 1, characterized in that a molding cavity is fixedly arranged between the opposite surfaces of the outer mold (2) and the inner mold (5), and a feeding pipe (11) communicated with the molding cavity is fixedly arranged at the axial position of the outer mold (2).
3. Injection mold ejection device according to claim 2, characterized in that the ejection hole is a cylindrical counter bore, the shape of the ejection head (6) is adapted to the shape of the ejection hole, and the axis of the ejection orifice (8) is parallel to the axes of the high-pressure ejection channel (7) and the ejection hole.
4. An injection mold ejection device according to claim 3, characterized in that a sealing ring which is in sliding connection with the high-pressure spraying channel (7) is fixedly arranged at the end part of the pressure feeding pipe (9), and a filter is fixedly arranged at one end of the air inlet of the high-pressure pump (10).
5. The injection mold ejection device according to claim 4, wherein the linkage assembly comprises a fixed toothed plate (12) fixed on the surface of the frame (1), a driven toothed plate (13) fixed on the surface of the ejection head (6), a driven gear (14) rotatably connected between the inner surfaces of the demolding frames (4) and a differential shaft (15) rotatably connected between the inner surfaces of the demolding frames (4), tooth surfaces of the fixed toothed plate (12) and the driven toothed plate (13) are in transmission connection with the driven gear (14), the fixed toothed plate (12) and the driven toothed plate (13) are respectively arranged on two sides of the driven gear (14), transmission bevel gears are fixedly arranged on the side surfaces of the driven gear (14), driven gears meshed with the transmission bevel gears are fixedly arranged at the tail ends of the differential shaft (15), driving gears (16) are fixedly arranged at the front ends of the differential shaft (15), and driven gear rings (17) in transmission connection with the driving gears (16) are fixedly arranged on the peripheral sides of the inner mold (5).
6. The injection mold ejection device according to claim 5, wherein a group of electric heating rods (18) are fixedly installed in the inner mold (5), a water cooling annular cavity (19) is fixedly formed in the inner mold (5), a water cooling tank (20) is fixedly installed on the surface of the frame (1), a pump body is fixedly installed on the side surface of the water cooling tank (20), one end of a liquid inlet of the pump body is communicated with the water cooling tank (20), one end of a liquid outlet of the pump body is fixedly communicated with a liquid distribution annular pipe (21) through a corrugated hose, and the surface of the liquid distribution annular pipe (21) is rotationally communicated with the water cooling annular cavity (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322117171.XU CN220555208U (en) | 2023-08-08 | 2023-08-08 | Injection mold ejection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322117171.XU CN220555208U (en) | 2023-08-08 | 2023-08-08 | Injection mold ejection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220555208U true CN220555208U (en) | 2024-03-05 |
Family
ID=90052406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322117171.XU Active CN220555208U (en) | 2023-08-08 | 2023-08-08 | Injection mold ejection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220555208U (en) |
-
2023
- 2023-08-08 CN CN202322117171.XU patent/CN220555208U/en active Active
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