CN210190427U - An injection mold with ejection based on cooling pipeline - Google Patents
An injection mold with ejection based on cooling pipeline Download PDFInfo
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- CN210190427U CN210190427U CN201921069401.7U CN201921069401U CN210190427U CN 210190427 U CN210190427 U CN 210190427U CN 201921069401 U CN201921069401 U CN 201921069401U CN 210190427 U CN210190427 U CN 210190427U
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- cooling pipeline
- piston
- hole
- pipe joint
- movable
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Abstract
本实用新型公开了一种基于冷却管路实现顶出的注塑模具，包括：行程开关、换向阀、活塞块、顶杆、第一冷却管路、第二冷却管路、动模板及对应的定模板，所述行程开关设置在动模板上，所述定模板上设置有指向行程开关的触发杆，所述动模板背面内凹设置有与活塞块对应的活塞孔，所述盖板内侧面设置有与活塞孔同心的第一盲孔，所述盖板外侧设置有与第一盲孔相连通的第一管接头，所述活塞孔末端设置有第二盲孔，所述第二盲孔侧壁上设置有延伸至动模板外侧的水孔，所述动模板外侧设置有与水孔对应的第二管接头。通过上述方式，本实用新型所述的基于冷却管路实现顶出的注塑模具，利用冷却水进行顶杆的冷却和驱动，有利于产品在开模后的快速脱模。
The utility model discloses an injection mold for realizing ejection based on a cooling pipeline, which comprises: a travel switch, a reversing valve, a piston block, an ejector rod, a first cooling pipeline, a second cooling pipeline, a movable template and corresponding A fixed template, the travel switch is arranged on the movable template, the fixed template is provided with a trigger rod pointing to the travel switch, the back of the movable template is concavely provided with a piston hole corresponding to the piston block, the inner side of the cover plate A first blind hole concentric with the piston hole is provided, a first pipe joint communicated with the first blind hole is provided on the outside of the cover plate, a second blind hole is provided at the end of the piston hole, and the second blind hole is provided. The side wall is provided with a water hole extending to the outer side of the movable template, and the outer side of the movable template is provided with a second pipe joint corresponding to the water hole. In the above-mentioned manner, the injection mold of the present invention, which realizes ejection based on the cooling pipeline, uses cooling water to cool and drive the ejector pin, which is beneficial to the rapid demoulding of the product after the mold is opened.
Description
Technical Field
The utility model relates to an injection mold field especially relates to a realize ejecting injection mold based on cooling tube.
Background
An injection mold is a mold for producing plastic products. After the mold is opened, the injection mold usually utilizes the ejector rod to eject the product, so that the product is separated from the mold, and the product is conveniently clamped or automatically discharged by a manipulator.
In the prior art, the ejector rod is generally driven by an air cylinder or a hydraulic cylinder, needs compressed air or a hydraulic pump for driving, and is matched with mold opening and mold closing for operation, so that the complexity of a control system of the injection molding equipment is increased. In addition, the tail end of the ejector rod is influenced by high temperature of a product, so that the temperature is increased, and a cooling water channel of the injection mold is difficult to cool the ejector rod, so that the local cooling and demolding of the product are influenced by the high temperature of the ejector rod or an ejector block at the tail end of the ejector rod.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a realize ejecting injection mold based on cooling tube, realizes the cooling of ejector pin, reduces control system's complexity.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an injection mold based on cooling line realizes ejecting, includes: the stroke switch, the reversing valve, the piston block, the ejector rod, the first cooling pipeline, the second cooling pipeline, the movable template and the corresponding fixed template, wherein the movable template is provided with a convex mold core pointing to the fixed template, the fixed template is provided with a concave mold core corresponding to the convex mold core, the movable template and the fixed template are respectively provided with a cooling water channel connected with the first cooling pipeline, the stroke switch is arranged on the movable template, the fixed template is provided with a trigger rod pointing to the stroke switch, the stroke switch is linearly connected with the reversing valve to control the reversing valve, the back of the movable template is concavely provided with a piston hole corresponding to the piston block, the piston block is arranged in the piston hole, the back of the movable template is provided with a cover plate for plugging the piston hole, the inner side of the cover plate is provided with a first blind hole concentric with the piston hole, and the outer side of the cover plate is provided with a first pipe joint communicated with the first blind hole, the piston hole end is provided with the second blind hole, be provided with the water hole that extends to the movable mould board outside on the second blind hole lateral wall, the movable mould board outside is provided with the second coupling that corresponds with the water hole, the ejector pin sets up at the end of piston piece and directional protruding mold core, the switching-over valve is connected with second cooling pipeline, first coupling and second coupling respectively, realizes that second cooling pipeline supplies water and the conversion to first coupling or second coupling.
In a preferred embodiment of the present invention, the reversing valve is an electromagnetic reversing valve.
In a preferred embodiment of the present invention, the male mold core is provided with a top block connected with the top rod.
In a preferred embodiment of the present invention, the movable mold plate is provided with a guide hole corresponding to the ejector pin.
In a preferred embodiment of the present invention, the piston block is a cylinder and a sealing ring is disposed on the outer circumference.
In a preferred embodiment of the present invention, the fixed mold plate is provided with a guide rod pointing to the movable mold plate, and the movable mold plate is provided with a guide sleeve corresponding to the guide rod.
In a preferred embodiment of the present invention, in the mold closing process of the movable mold plate and the fixed mold plate, before the male mold core and the female mold core are combined, the trigger rod contacts with the travel switch to perform the reversing of the reversing valve, so that the second pipe joint is filled with water, the piston block and the ejector rod are pushed to retreat and reset, in the mold opening process of the movable mold plate and the fixed mold plate, the male mold core and the female mold core are separated first, then the trigger rod is separated from the travel switch to perform the reversing of the reversing valve, so that the first pipe joint is filled with water, the piston block and the ejector rod are pushed to advance, and the product is released from.
The utility model has the advantages that: the utility model discloses a realize ejecting injection mold based on cooling tube, the special design carries out driven piston piece through the cooling water, utilizes the cooperation of trip lever and travel switch, and the round trip movement control of in-process piston piece of moulding plastics realizes cooling and the drive to the ejector pin, is favorable to the quick drawing of patterns of product after the die sinking, need not compressed air or hydraulic pump and drives, does not increase the control system burden of injection molding machine.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of an injection mold for realizing ejection based on a cooling pipeline of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
the injection mold for realizing ejection based on the cooling pipeline as shown in fig. 1 and 2 comprises: travel switch 4, switching-over valve, piston block 17, ejector pin 14, first cooling pipeline, second cooling pipeline, movable mould board 1 and the fixed mould board 2 that corresponds, first cooling pipeline and second cooling pipeline can share water pump and cooling tower in the cooling water circulation system of a set of injection molding machine, reduce cost.
As shown in fig. 1, a male mold core 6 pointing to the stationary mold plate 2 is disposed on the movable mold plate 1, and a female mold core 7 corresponding to the male mold core 1 is disposed on the stationary mold plate 2. The fixed die plate 2 is provided with a guide rod 8 pointing to the movable die plate 1, the movable die plate 1 is provided with a guide sleeve 9 corresponding to the guide rod 8, the die closing stability is improved, and when the movable die plate 1 and the fixed die plate 2 are closed, the front end of the male die core 6 enters the female die core 7 to form a product forming cavity, and then injection molding is carried out. And the movable template 1 and the fixed template 2 are respectively provided with a cooling water channel 5 connected with a first cooling pipeline to cool and solidify the product.
As shown in fig. 2, the back of the movable mold plate 1 is concavely provided with a piston hole 16 corresponding to the piston block 17, the piston block 17 is arranged in the piston hole 16, the piston block 17 is a cylinder, and the outer circle of the piston block is provided with a sealing ring, which is similar to the structure of a hydraulic cylinder.
The back of the movable template 1 is provided with a cover plate 18 for plugging the piston hole 16, the inner side surface of the cover plate 18 is provided with a first blind hole 11 concentric with the piston hole 16, the outer side of the cover plate 18 is provided with a first pipe joint 12 communicated with the first blind hole 11, the tail end of the piston hole 16 is provided with a second blind hole 15, the diameters of the first blind hole 11 and the second blind hole 15 are smaller than the diameter of the piston hole 16, a step is formed, and the limitation on the moving range of the piston block 17 is realized.
And a water hole 13 extending to the outer side of the movable template 1 is formed in the side wall of the second blind hole 15, and a second pipe joint corresponding to the water hole 13 is arranged on the outer side of the movable template 1. When the first pipe connection 12 or the second pipe connection is filled with water, the piston block 17 is displaced in the piston bore 16.
The travel switch 4 is arranged on the movable mould plate 1, the fixed mould plate 2 is provided with a trigger rod 3 pointing to the travel switch 4, and when the movable mould plate 1 and the fixed mould plate 2 are closed, the trigger rod 3 is in contact with the travel switch 4 to trigger the travel switch 4. The travel switch 4 is linearly connected with a reversing valve to control the reversing valve, the reversing valve is an electromagnetic reversing valve, and when the travel switch 4 is triggered, the reversing of the corresponding water flow is performed.
The ejector rod 14 is arranged at the tail end of the piston block 17 and points to the male mold core 6, and the reversing valve is respectively connected with the second cooling pipeline, the first pipe joint 12 and the second pipe joint, so that water supply and conversion of the second cooling pipeline to the first pipe joint or the second pipe joint are realized. The movable mould plate 1 is provided with a guide hole corresponding to the ejector rod 14, the male mould core 6 is provided with an ejector block 10 connected with the ejector rod 14, and the ejector rod 14 drives the ejector block 10 when moving along with the piston block 17, so that the product is convenient to push and demould.
The specific production steps are as follows:
1. in the process of closing the movable mold plate 1 and the fixed mold plate 2, before the male mold core 6 is combined with the female mold core 7, the trigger rod 3 is firstly contacted with the travel switch 4 to change the direction of the reversing valve, so that water enters the second pipe joint, the piston block 17 and the ejector rod 14 are pushed to retreat and reset, then the male mold core 6 is combined with the female mold core 7 to perform injection molding and cooling solidification;
2. in the die sinking process of the movable die plate 1 and the fixed die plate 2, the male die core 6 is separated from the female die core 7 firstly, then the trigger rod 3 is separated from the travel switch 4 to change the direction of the reversing valve, so that the first pipe joint 12 is filled with water to push the piston block 17 and the ejector rod 14 to advance, the demoulding of the product is realized, the separation of the trigger rod 3 and the travel switch 4 lags behind the separation of the male die core 6 and the female die core 7, the problem of collision between the ejector block 10 and the female die core 7 when being ejected by the ejector rod 14 is avoided, the cooling time of the ejector rod 14 is prolonged, and the high-temperature problem of the ejector.
To sum up, the utility model discloses an it realizes ejecting injection mold based on cooling tube way to point out utilizes the second cooling tube way to realize the cooling and the drive of ejector pin 14, effectively reduces kicking block 10 and ejector pin 14's temperature, has promoted job stabilization nature, has reduced the cost of equipment, has simplified the control of system.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921069401.7U CN210190427U (en) | 2019-07-10 | 2019-07-10 | An injection mold with ejection based on cooling pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921069401.7U CN210190427U (en) | 2019-07-10 | 2019-07-10 | An injection mold with ejection based on cooling pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210190427U true CN210190427U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921069401.7U Expired - Fee Related CN210190427U (en) | 2019-07-10 | 2019-07-10 | An injection mold with ejection based on cooling pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210190427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154331A (en) * | 2019-07-10 | 2019-08-23 | 沙洲职业工学院 | An injection mold based on cooling pipeline to realize ejection |
-
2019
- 2019-07-10 CN CN201921069401.7U patent/CN210190427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154331A (en) * | 2019-07-10 | 2019-08-23 | 沙洲职业工学院 | An injection mold based on cooling pipeline to realize ejection |
| CN110154331B (en) * | 2019-07-10 | 2024-04-26 | 沙洲职业工学院 | Injection mold capable of realizing ejection based on cooling pipeline |
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| 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: 20200327 Termination date: 20200710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |