CN216182489U - Ejection type injection molding machine - Google Patents
Ejection type injection molding machine Download PDFInfo
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- CN216182489U CN216182489U CN202122578685.6U CN202122578685U CN216182489U CN 216182489 U CN216182489 U CN 216182489U CN 202122578685 U CN202122578685 U CN 202122578685U CN 216182489 U CN216182489 U CN 216182489U
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 27
- 230000000670 limiting effect Effects 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000004677 Nylon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The application discloses liftout injection molding machine includes: the core-pulling plate is fixedly provided with a first limiting part movably connected with the core-pulling plate and a second limiting part movably connected with the panel, and the core-pulling plate is movably connected with a third limiting part fixedly connected with the front template; the rear template and the front template are limited to relatively slide on the pulling plate, a rear mold core is arranged on the rear template, a front mold core matched with the rear mold core is movably arranged on the front template in a penetrating manner, the front mold core is fixedly connected with the core pulling plate so as to be pulled away from the rear mold core under the driving of the core pulling plate, and a molding mold cavity is arranged between the rear mold core and the front mold core; and the runner passes through the core-pulling plate along the panel in a removable way through the water gap plate and is inserted into the front mold core so as to be communicated with the molding mold cavity. According to the design scheme, the product is separated from the mold core by utilizing the sequence of mold opening actions of the mold, the forming period of the product is effectively shortened by reducing the ejection actions, the yield is effectively improved, and the manufacturing cost of the mold is reduced.
Description
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a push-out type injection molding machine suitable for forming a drip box of a coffee machine.
Background
In the injection molding process of the mold, the cold runner flip-chip mold needs to be ejected. Currently, there are two common ejection methods: firstly, ejecting the product by an ejection rod of an injection molding machine, and pushing the product to an ejection plate to drive an ejector pin to realize separation of the product and a mold core so as to achieve ejection; and secondly, when the die is inversely installed, an oil cylinder is additionally arranged on the die, and the oil cylinder pushes out the die to drive the ejector pin to separate the product from the die core so as to eject the product. According to the two schemes, due to the ejection actions of the ejection rod and the ejection cylinder, the molding period of the product is longer, the yield is not high, and the manufacturing cost of the mold is increased.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
The utility model aims to provide a push-out type injection molding machine, which realizes the separation of a product and a mold core by utilizing the sequence of mold opening actions of a mold, effectively shortens the molding period of the product by reducing the push-out action, realizes the improvement of yield and greatly reduces the manufacturing cost of the mold.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions:
an ejection injection molding machine comprising:
the core-pulling plate comprises a pulling plate, a rear template, a front template, a core-pulling plate, a water gap plate and a panel, wherein the rear template, the front template, the core-pulling plate, the water gap plate and the panel are sequentially arranged along the pulling plate in a sliding manner; the rear template and the front template are limited to relatively slide on the pulling plate, a rear mold core is arranged on the rear template, a front mold core matched with the rear mold core is movably arranged on the front template in a penetrating manner, the front mold core is fixedly connected with the core pulling plate so as to be pulled away from the rear mold core under the driving of the core pulling plate, and a molding mold cavity is arranged between the rear mold core and the front mold core; a runner removably inserted through the core plate along the face plate to the front mold core for communication to the molding cavity.
In order to achieve the better invention purpose, the utility model also has the following technical characteristics:
in some embodiments, the front mold plate is provided with a limiting rubber plug in sliding connection with the core-pulling plate, and the core-pulling plate is provided with a through hole for the limiting rubber plug to move.
In some embodiments, a rear mold limiting member is disposed on the rear mold plate, a front mold limiting member is disposed on the front mold plate, and the rear mold limiting member and the front mold limiting member are slidably disposed on the pull plate.
In some embodiments, the core pulling plate is provided with a core pulling hole, the front mold plate is provided with a front mold hole communicated with the core pulling hole, the rear mold plate is provided with a rear mold hole communicated with the front mold hole, and an end of the first limiting member passes through the core pulling hole and then is limited to slide in the front mold hole and the rear mold hole.
In some embodiments, a spring fixedly connected to the nozzle plate is sleeved on the first stopper, and the spring is movably abutted to the core-pulling plate.
In some embodiments, a second sliding hole matched with the second limiting member is disposed on the panel, and a second abutting groove slidably abutting against an end of the second limiting member is disposed in the second sliding hole.
In some embodiments, a third sliding hole matched with the third limiting member is formed in the core-pulling plate, and a third abutting groove slidably abutting against an end of the third limiting member is formed in the third sliding hole.
Compared with the prior art, the ejection type injection molding machine provided by the utility model has the following beneficial effects:
1. according to the ejection type injection molding machine, after the rear template, the front template, the core-pulling plate, the water gap plate and the panel are subjected to limiting sliding, under the action of the first limiting piece and the second limiting piece, the product is separated from the mold core by utilizing the sequence of mold opening actions of the mold, the demolding speed is high, and the yield is effectively improved;
2. the ejection type injection molding machine thoroughly cancels ejection action, shortens the molding period of products compared with the common injection molding machine in which the ejection rod is used for ejecting the products and the oil cylinder is used for ejecting the products, and greatly reduces the mold manufacturing cost due to the reduction of the ejection action.
Drawings
FIG. 1 is a schematic structural view of a lift-out injection molding machine according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the ejection type injection molding machine according to the embodiment of the present invention, showing the mold opening at the 1 st time;
FIG. 3 is a schematic view of a 2 nd mold opening of the ejection molding machine according to an embodiment of the present invention;
FIG. 4 is a schematic view of a 3 rd mold opening of the ejection molding machine according to one embodiment of the present invention;
fig. 5 is a schematic structural diagram of the 4 th mold opening of the ejection injection molding machine according to the embodiment of the present invention.
Reference numerals:
1. pulling a plate; 2. a rear template; 20. a rear die hole; 21. a rear mold limiting piece; 3. a front template; 30. a front mold hole; 31. a front mold limiter; 4. drawing a core plate; 40. a first slide hole; 41. a position avoiding groove; 42. a third slide hole; 43. a third abutting groove; 44. a through hole; 5. a water gap plate; 6. a panel; 60. a second slide hole; 61. a second abutting groove; 7. a rear mold core; 8. a front mold core; 9. a first limit piece; 10. a second limiting member; 11. a third limiting member; 12. a flow channel; 13. a limiting rubber plug; 14. a spring; 15. and (5) producing the product.
Detailed Description
The technical scheme and the beneficial effects of the utility model are clearer and clearer by further describing the specific embodiment of the utility model with the accompanying drawings of the specification.
Referring to the embodiment of the ejection molding machine shown in fig. 1 to 5, the ejection molding machine includes: the die carrier comprises a pull plate 1 and a die carrier part arranged on the pull plate 1 in a sliding mode, wherein the die carrier part comprises a rear die plate 2, a front die plate 3, a core-pulling plate 4, a water gap plate 5 and a panel 6 which are sequentially arranged in a sliding mode, the rear die plate 2 is fixed on a die carrier, the rear die plate 2 and the front die plate 3 are limited on the pull plate 1 to slide relatively, and the pull plate 1 is used for controlling the die opening stroke of the front die plate 2 and the die opening stroke of the rear die plate 2. The rear die plate 2 is provided with a rear die limiting piece 21, the front die plate 3 is provided with a front die limiting piece 31, and the rear die limiting piece 21 and the front die limiting piece 31 are arranged on the pulling plate 1 in a relatively sliding mode. Furthermore, a first limiting part 9 is fixed on one side of the nozzle plate 5, and the first limiting part 9 penetrates through the core-pulling plate 4 and is movably inserted between the front mold plate 3 and the rear mold plate 2 so as to limit the ejection stroke between the nozzle plate 5 and the core-pulling plate 4. A second limiting piece 10 is fixed on the other side of the water gap plate 5, and the second limiting piece 10 is movably connected with the panel 6 to limit the ejection stroke of the panel 6 and the water gap plate 5.
The rear die plate 2 is provided with a rear die core 7, the front die core 8 which is abutted and matched with the rear die core 7 is movably arranged on the front die plate 3 in a penetrating mode, the front die core 8 is fixedly connected with the core-pulling plate 4 to be pulled away from the rear die core 7 under the driving of the core-pulling plate 4, and a forming die cavity is arranged between the rear die core 7 and the front die core 8. A runner 12 on the injection molding machine is in flow communication with the molding cavity, the runner 12 being inserted through the core plate 4 via the face plate 6 via the nozzle plate 5 into the front mold core 8 for communication to the molding cavity.
As shown in fig. 1 to 5, in this embodiment, a limiting rubber plug 13 is fixedly disposed on the front mold plate 3, the limiting rubber plug 13 is slidably connected to the core pulling plate 4, and a through hole 44 for the limiting rubber plug 13 to move is disposed on the core pulling plate 4. Therefore, when the mold is opened, the front mold plate 3 and the core-pulling plate 4 are tensioned through the limiting rubber plug 13. The limiting rubber plug 13 can be a nylon rubber plug.
As shown in fig. 1 to 5, in the present embodiment, a first sliding hole 40 is provided on the core back plate 4, a front mold hole 30 communicated with the first sliding hole 40 is provided on the front mold plate 3, a rear mold hole 20 communicated with the front mold hole 30 is provided on the rear mold plate 2, one end of a first limiting member 9 passes through the first sliding hole 40 and then is limited to slide in the front mold hole 30 and the rear mold hole 20, and the other end of the first limiting member 9 is fixedly connected to the water gap plate 5. The maximum length of the first limiting piece 9 extending out of the core-pulling plate 4 is a first stroke a, and the length of the first stroke a is matched with the maximum ejection distance between the core-pulling plate 4 and the nozzle plate 5, so as to control the nozzle to be taken out.
As shown in fig. 1 to 5, in the present embodiment, the spring 14 fixedly connected to the water gap plate 5 is sleeved on the first limiting member 9, the core back plate 4 is provided with a position avoiding groove 41 for avoiding the spring 14, and the position avoiding groove 41 is located above the first sliding hole 40. When the nozzle plate 5 slides to approach the core plate 4, one end of the first limiting member 9 extends into the rear mold hole 20 of the rear mold plate 2 along the front mold hole 30 of the front mold plate 3, and at this time, the spring 14 moves into the avoiding groove 41 of the core plate 4 under the driving of the first limiting member 9, so that the core plate 4 is elastically abutted.
As shown in fig. 1 to 5, in the present embodiment, one end of the second limiting member 10 is fixedly connected to the water gap plate 5, and the other end of the second limiting member 10 is slidably connected to the panel 6. The panel 6 is provided with a second sliding hole 60 matched with the second limiting member 10, and a second abutting groove 61 slidably abutting against the end of the second limiting member 10 is provided in the second sliding hole 60. The second abutting groove 61 is provided with a second stroke B for limiting the moving distance of the second limiting member 10, and the second stroke length B is matched with the maximum ejection distance between the panel 6 and the nozzle plate 5 and is used for controlling the forced release of the back-off position of the tail end of the nozzle needle of the runner 12.
As shown in fig. 1 to 5, in the present embodiment, one end of the third limiting member 11 is fixedly connected to the front mold plate 3, and the other end of the third limiting member 11 is slidably connected to the core plate 4. The core-pulling plate 4 is provided with a third sliding hole 42 matched with the third limiting member 11, and a third abutting groove 43 slidably abutting against the end of the third limiting member 11 is arranged in the third sliding hole 42. The third abutting groove 43 is provided with a third stroke C for limiting the moving distance of the third limiting member 11, and the length of the third stroke C matches the maximum ejection distance between the core plate 4 and the front mold plate 3, so as to control the ejection stroke of the product 15.
The mold opening action of this patent is as follows:
1. when the mold is opened, the front mold plate 3 and the core-pulling plate 4 realize tensioning through a nylon rubber plug, the water gap plate 5 and the core-pulling plate 4 are separated in a sliding mode under the limitation of the first limiting part 9, and the water gap plate 5 drives the flow channel 12 to be pulled out of the front mold plate 3 and the core-pulling plate 4 so as to take the flow channel 12 out of the mold core and realize the mold opening action for the 1 st time.
2. Under the limiting action of the second limiting piece 10, the nozzle plate 5 and the face plate 6 are driven to slide and separate, so that the nozzle of the runner 12 is forcibly pulled out from the back-off of the nozzle plate 5, and the 2 nd die opening action is realized.
3. Under the limiting action of the third limiting part 11, the front template 3 and the rear template 2 are driven to slide and separate, the parting surface M is opened, the product 15 in the forming cavity is taken out from the rear mold side to the front mold side, and the 3 rd mold opening action is realized.
4. Finally, forcibly pulling the front template 3 and the limiting rubber plug 13 in the core-pulling plate 4 along the pulling plates 1 on the two outer sides by using the injection molding machine, and then pulling the core-pulling plate 4 backward to drive the front mold core 8 backward so as to separate the product 15 from the mold core and eject the product 15 out to realize the 4 th mold opening; and finally carried away by the mechanical handle 15.
Therefore, when the mold is opened, the runner water gap is taken out of the mold core by opening the mold for the 1 st time, the water gap is forcibly pulled out of the back-off of the water gap plate by opening the mold for the 2 nd time, the parting surface M is opened by opening the mold opening for the 3 rd time so that a product is taken to the front mold side, and the product is ejected by forcibly pulling the mold core back by the injection molding machine by opening the mold core for the 4 th time.
In summary, the present invention is directed to a push-out injection molding machine based on the technical features disclosed above, and the present invention employs a flip-chip cold runner, and directly employs a mold core retraction function to separate a product from a mold core, thereby realizing product removal, shortening the molding cycle of the product, improving the yield, and greatly reducing the mold manufacturing cost due to the reduction of the push-out action.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. An ejection type injection molding machine, comprising:
the core-pulling plate comprises a pulling plate, a rear template, a front template, a core-pulling plate, a water gap plate and a panel, wherein the rear template, the front template, the core-pulling plate, the water gap plate and the panel are sequentially arranged along the pulling plate in a sliding manner;
the rear template and the front template are limited to relatively slide on the pulling plate, a rear mold core is arranged on the rear template, a front mold core matched with the rear mold core is movably arranged on the front template in a penetrating manner, the front mold core is fixedly connected with the core pulling plate so as to be pulled away from the rear mold core under the driving of the core pulling plate, and a molding mold cavity is arranged between the rear mold core and the front mold core;
a runner removably inserted through the core plate along the face plate to the front mold core for communication to the molding cavity.
2. The ejection injection molding machine of claim 1, wherein: the front template is provided with a limiting rubber plug in sliding connection with the core-pulling plate, and the core-pulling plate is provided with a through hole for the limiting rubber plug to move.
3. The ejection injection molding machine of claim 1, wherein: the rear die limiting part is arranged on the rear die plate, the front die limiting part is arranged on the front die plate, and the rear die limiting part and the front die limiting part are arranged on the pulling plate in a relatively sliding mode.
4. The ejection injection molding machine of claim 1, wherein: the core pulling device is characterized in that a core pulling hole is formed in the core pulling plate, a front die hole communicated with the core pulling hole is formed in the front die plate, a rear die hole communicated with the front die hole is formed in the rear die plate, and the end portion of the first limiting part penetrates through the core pulling hole and then is limited to slide in the front die hole and the rear die hole.
5. The ejection injection molding machine of claim 1, wherein: the first limiting part is sleeved with a spring fixedly connected with the nozzle plate, and the spring is in movable abutting joint with the core-pulling plate.
6. The ejection injection molding machine of claim 1, wherein: the panel is provided with a second sliding hole matched with the second limiting part, and a second abutting groove in sliding abutting connection with the end part of the second limiting part is formed in the second sliding hole.
7. The ejection injection molding machine of claim 1, wherein: and a third sliding hole matched with the third limiting part is formed in the core-pulling plate, and a third abutting groove which is in sliding abutting connection with the end part of the third limiting part is formed in the third sliding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122578685.6U CN216182489U (en) | 2021-10-25 | 2021-10-25 | Ejection type injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122578685.6U CN216182489U (en) | 2021-10-25 | 2021-10-25 | Ejection type injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216182489U true CN216182489U (en) | 2022-04-05 |
Family
ID=80889520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122578685.6U Active CN216182489U (en) | 2021-10-25 | 2021-10-25 | Ejection type injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216182489U (en) |
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2021
- 2021-10-25 CN CN202122578685.6U patent/CN216182489U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 1st floor, No.3, Jiangong 3rd Street, South District, Zhongshan City, Guangdong Province 528400 Patentee after: Zhongshan Qingjiang Intelligent Manufacturing Co.,Ltd. Country or region after: China Address before: 1st floor, No.3, Jiangong 3rd Street, South District, Zhongshan City, Guangdong Province 528400 Patentee before: Zhongshan Songfu plastic mould Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |