CN215750522U - Multi-mechanism driven core-pulling mold - Google Patents
Multi-mechanism driven core-pulling mold Download PDFInfo
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- CN215750522U CN215750522U CN202121521503.5U CN202121521503U CN215750522U CN 215750522 U CN215750522 U CN 215750522U CN 202121521503 U CN202121521503 U CN 202121521503U CN 215750522 U CN215750522 U CN 215750522U
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Abstract
The utility model discloses a multi-mechanism driven core-pulling mold which comprises an A plate, a B plate, a first core-pulling mechanism, a second core-pulling mechanism and a third core-pulling mechanism, wherein the first core-pulling mechanism, the second core-pulling mechanism and the third core-pulling mechanism are respectively fixed on the side part of the B plate, the first core-pulling mechanism comprises a first oil cylinder and a first insert, the second core-pulling mechanism comprises a second oil cylinder and a second insert, the first insert is laterally inserted into the second insert after the A plate and the B plate are assembled, the third core-pulling mechanism comprises an oil motor, a gear transmission set and a thread core-pulling module, and the oil motor is used for driving the thread core-pulling module to rotatably pull cores through the gear transmission set. According to the multi-mechanism driven core-pulling die, the mode that the oil cylinder and the oil motor are combined to drive the core-pulling is reasonably utilized, the interference-free core-pulling of a complex product containing the cross hole and the threaded hole can be quickly and conveniently realized, the service life of the die can be prolonged, and the production efficiency and the product quality can be improved.
Description
Technical Field
The utility model belongs to the technical field of precise complex molds, and particularly relates to a multi-mechanism driven core pulling mold.
Background
The mold is an indispensable important tool in injection molding, and the injection molding is a processing method for injecting hot-melt plastic materials into a closed cavity with a required shape in the mold at a high speed, opening the mold to eject a solidified plastic product after the plastic materials are cooled and solidified, so as to obtain a molded product. The injection molding processing method has the characteristics of low molding cost, short molding period, simple molding process, easiness in molding of plastic products with complex shapes and the like, so that the injection molding processing method is widely applied to the field of plastic products.
In the prior art, the parts of injection products requiring the core pulling of the mold inserts are complex and various, for example, existing threaded holes of some products are provided with crossed holes (namely, the holes are crossed), and the core pulling is difficult to realize quickly and conveniently by adopting a traditional sliding block type parting mechanism.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides a multi-mechanism driven core pulling die which is used for solving the problem that a product with a threaded hole and a crossed hole is difficult to rapidly and conveniently core pull.
A multi-mechanism driven core-pulling mold comprises a plate A, a plate B, a first core-pulling mechanism, a second core-pulling mechanism and a third core-pulling mechanism, wherein the first core-pulling mechanism, the second core-pulling mechanism and the third core-pulling mechanism are respectively fixed on the side part of the plate B, the first core-pulling mechanism comprises a first oil cylinder, a first insert fixing seat and a first insert, the first insert fixing seat is connected to a piston rod of the first oil cylinder in a reciprocating manner, the first insert can be fixed on the first insert fixing seat in a reciprocating manner along with the first insert fixing seat, the second core-pulling mechanism comprises a second oil cylinder, a second insert fixing seat and a second insert, the second insert fixing seat is connected to a piston rod of the second oil cylinder in a reciprocating manner, the second insert can be fixed on the second insert fixing seat in a reciprocating manner along with the second insert fixing seat, a cross hole is formed in the second insert, and the first insert is inserted into the cross hole when the plate A and the plate B are assembled, the third core pulling mechanism comprises an oil motor, a gear transmission group and a thread core pulling module, wherein the oil motor is used for driving the thread core pulling module to rotate and pull cores through the gear transmission group.
Preferably, the thread core pulling module comprises a transmission rod, a driving part and a core pulling part, the driving part and the core pulling part are respectively arranged at two ends of the transmission rod, the driving part is used for being connected with the gear transmission set to rotate the transmission rod, and the core pulling part is provided with a thread structure for rotatably pulling the core.
Preferably, the multi-mechanism driven core pulling mold further comprises a control device, which is respectively connected with the first oil cylinder, the second oil cylinder and the oil motor and is used for controlling the action direction and the action sequence of the first oil cylinder, the second oil cylinder and the oil motor. Preferably, the control device is an electromagnetic valve.
Preferably, the first oil cylinder is provided with a first maximum stroke position, and when the first oil cylinder is located at the first maximum stroke position, the first insert is just located at a completely reset position.
Preferably, the second oil cylinder is provided with a second maximum stroke position, and when the second oil cylinder is located at the second maximum stroke position, the second insert is just located at a completely reset position.
Preferably, the core-pulling direction of the first insert is parallel to the movement direction of the piston rod of the first oil cylinder.
Preferably, the core pulling direction of the second insert is parallel to the movement direction of the piston rod of the second oil cylinder.
Preferably, the multi-mechanism driving core-pulling mold further comprises a fixing plate and a stripper plate, the stripper plate is located between the fixing plate and the plate A, the stripper plate is detachably arranged above the plate A, and the stripper plate is detachably arranged below the fixing plate.
Preferably, the multi-mechanism driven core-pulling mold further comprises a nylon mold locker fixed on the upper surface of the B plate, the nylon mold locker is arranged between the A plate and the B plate, and the nylon mold locker is located in the A plate during mold closing.
Compared with the prior art, the multi-mechanism driven core-pulling die provided by the utility model can quickly and conveniently realize the interference-free core-pulling of complex products simultaneously containing cross holes and threaded holes by reasonably utilizing the mode of combining the oil cylinder and the oil motor to drive the core-pulling, and can prolong the service life of the die and improve the production efficiency and the product quality.
Drawings
FIG. 1 is a schematic structural diagram of a multi-mechanism driven core-pulling mold according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a multi-mechanism driven core-pulling mold at another viewing angle according to an embodiment of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
In the description of the present invention, it should be noted that 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 simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 and 2 in combination, a multi-mechanism driven core-pulling mold 100 includes an a plate 1, a B plate 2, a first core-pulling mechanism 3, a second core-pulling mechanism 4, and a third core-pulling mechanism 5, wherein the first core-pulling mechanism 3, the second core-pulling mechanism 4, and the third core-pulling mechanism 5 are respectively fixed on a side portion of the B plate 2, the first core-pulling mechanism 3 includes a first cylinder 31, a first insert fixing seat 32, and a first insert 33, the first insert fixing seat 32 is connected to a piston rod of the first cylinder 31 in a reciprocating manner, the first insert 33 is fixed to the first insert fixing seat 32 in a reciprocating manner along with the first insert fixing seat 32, the second core-pulling mechanism 4 includes a second cylinder 41, a second insert fixing seat 42, and a second insert 43, the second insert fixing seat 42 and the second insert 43, the second insert fixing seat 42 is connected to a piston rod of the second cylinder 41 in a reciprocating manner, the second insert 43 can be fixed on the second insert fixing seat 42 along with the second insert fixing seat 42 in a reciprocating motion mode, the second insert 43 is provided with a cross hole 431, the first insert 33 is inserted into the cross hole 431 when the A plate 1 and the B plate 2 are assembled, the oil cylinder is adopted for driving, the core pulling sequence is convenient to adjust, and core pulling of the cross hole on the injection molding product is smoothly achieved.
The third core pulling mechanism 5 comprises an oil motor 51, a gear transmission set 52 and a threaded core pulling module 53, wherein the oil motor 51 is used for driving the threaded core pulling module 53 to rotate and core pull through the gear transmission set 52. The oil motor has small volume, light weight, simple structure, good manufacturability, insensitivity to oil pollution, impact resistance and small inertia. The thread shape effect obtained by driving the thread core pulling module 53 by using the oil motor is good, and in addition, the combination of the oil motor and the oil cylinder is convenient to adopt the same power source for unified control.
When the plate a 1 and the plate B2 are separated, the first oil cylinder 31 is used for driving the first insert 33 to be separated from the second insert 43, after the first insert 33 is separated from the second insert 43, the second oil cylinder 41 is used for driving the second insert 43 to perform core pulling, and when the second insert 43 completes core pulling and the plate B2 moves to the maximum opening and closing position of the mold, the oil motor 51 is used for driving the threaded core pulling module 53 to perform threaded hole core pulling. The maximum mold opening and closing position refers to a position where the B plate 2 can move farthest from the a plate 1 when the mold is opened on the injection molding machine.
Optionally, the threaded core-pulling module 53 includes a transmission rod 531, a driving portion 532, and a core-pulling portion 533, where the driving portion 532 and the core-pulling portion 533 are respectively located at two ends of the transmission rod 531, the driving portion 532 is used to connect the gear transmission set 52 to perform rotation of the transmission rod 531, and the core-pulling portion 533 has a threaded structure for rotationally pulling a core. The thread core-pulling module 53 which is arranged in blocks is more reasonable, and different functional parts can adopt different structures and processing precision, so that the cost is reduced.
Optionally, the multi-mechanism core-pulling mold 100 further includes a control device, which is respectively connected to the first oil cylinder 31, the second oil cylinder 41 and the oil motor 51, and is configured to control the action directions and the action sequences of the first oil cylinder 31, the second oil cylinder 41 and the oil motor 51. Thus, the core pulling work can be automatically and orderly controlled conveniently. Preferably, the control device is a solenoid valve. The solenoid valve is stable in control and not easy to make mistakes, and the cost is relatively low.
Optionally, the first cylinder 31 has a first maximum stroke position, and when the first cylinder 31 is at the first maximum stroke position, the first insert 33 is just at the fully retracted position. Because the first oil cylinder 31 is just full stroke when being at the first maximum stroke position, the load is stable at the moment, deviation is not easy to occur, and the position precision of the first insert 33 during material injection can be better ensured.
Optionally, the second cylinder 41 has a second maximum stroke position, and when the second cylinder 41 is at the second maximum stroke position, the second insert 43 is just at the fully retracted position. Because the second oil cylinder has stable load during the full stroke and is not easy to have deviation, the first insert 33 can be accurately inserted, and the position precision of the second insert 43 during material injection can be better ensured.
Optionally, the core pulling direction of the first insert 33 is parallel to the piston rod moving direction of the first cylinder 31. This arrangement makes the core pulling process of the first insert 33 more stable.
Optionally, the core pulling direction of the second insert 43 is parallel to the piston rod moving direction of the second cylinder 41. This arrangement makes the core pulling process of the second insert 43 more stable.
As shown in fig. 2, optionally, the multi-mechanism core-pulling mold further includes a fixed plate 6 and a stripper plate 7, the stripper plate 7 is located between the fixed plate 6 and the a plate 1, the stripper plate 7 is detachably disposed above the a plate 1, and the stripper plate 7 is detachably disposed below the fixed plate 7. Because the time for manually removing the waste is not fixed, the stripper plate 7 is arranged to fix the time point of the automatic waste removal of the die, so that the setting of the core pulling and return action periods of each core pulling mechanism is facilitated, and the stability and the efficiency of the core pulling work are improved.
Preferably, the multi-mechanism core-pulling mold 100 further comprises a nylon mold locker 21 fixed on the upper surface of the B plate 2, the nylon mold locker 21 is arranged between the a plate 1 and the B plate 2, and the nylon mold locker 21 is located in the a plate 1 during mold closing. The arrangement can increase the separation resistance between the plate A1 and the plate B2, is convenient for better controlling the separation sequence of the plates during mold opening, and is convenient for setting the core-pulling time point of each core-pulling module.
The core pulling mechanism of the embodiment of the utility model performs the core pulling and returning processes as follows:
when the mold is opened, the stripper plate 7 is separated from the plate A1, then the stripper plate 7 is separated from the fixing plate 6, next, the plate A1 is separated from the plate B2, core pulling is performed under the control of a relay, the first oil cylinder 31 drives the first insert 33 to pull away the second insert 43, after the stripping, the second oil cylinder 41 drives the second insert 43 to perform core pulling, when the second insert 43 completes core pulling and the plate B2 moves to the maximum mold opening and closing position, the oil motor 51 drives the threaded core pulling module 53 to rotate to perform threaded hole core pulling, when each core pulling mechanism returns, the second oil cylinder 41 drives the second insert 43 to return, and after the second insert 43 returns, the first oil cylinder 31 drives the first insert 33 to laterally enter the second insert 43.
According to the multi-mechanism driven core-pulling die, the mode that the oil cylinder and the oil motor are combined to drive the core-pulling is reasonably utilized, the interference-free core-pulling of a complex product containing the cross hole and the threaded hole can be quickly and conveniently realized, the service life of the die can be prolonged, and the production efficiency and the product quality can be improved.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the utility model. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. A multi-mechanism driven core-pulling mold is characterized by comprising a plate A, a plate B, a first core-pulling mechanism, a second core-pulling mechanism and a third core-pulling mechanism, wherein the first core-pulling mechanism, the second core-pulling mechanism and the third core-pulling mechanism are respectively fixed on the side part of the plate B, the first core-pulling mechanism comprises a first oil cylinder, a first insert fixing seat and a first insert, the first insert fixing seat is connected to a piston rod of the first oil cylinder in a reciprocating manner, the first insert is fixed to the first insert fixing seat in a reciprocating manner along with the first insert fixing seat, the second core-pulling mechanism comprises a second oil cylinder, a second insert fixing seat and a second insert, the second insert fixing seat is connected to a piston rod of the second oil cylinder in a reciprocating manner, the second insert is fixed to the second insert fixing seat in a reciprocating manner along with the second insert fixing seat, the second insert is provided with a cross hole, the first insert is inserted into the cross hole when the plate A and the plate B are closed, the third core pulling mechanism comprises an oil motor, a gear transmission group and a thread core pulling module, and the oil motor is used for driving the thread core pulling module to rotationally pull cores through the gear transmission group;
when the plate A is separated from the plate B, the first oil cylinder is used for driving the first insert to be separated from the second insert, when the first insert is separated from the second insert, the second oil cylinder is used for driving the second insert to loose core, and when the second insert finishes the core pulling and the plate B moves to the maximum opening and closing position of the mold, the oil motor is used for driving the threaded core pulling module to loose core through the threaded hole.
2. The multi-mechanism driven core-pulling mold according to claim 1, wherein the threaded core-pulling module comprises a transmission rod, a driving part and a core-pulling part, the driving part and the core-pulling part are respectively located at two ends of the transmission rod, the driving part is used for connecting the gear transmission set to perform autorotation of the transmission rod, and the core-pulling part has a threaded structure for rotating the core-pulling.
3. The multi-mechanism driven core pulling mold according to claim 1, further comprising a control device connected to the first cylinder, the second cylinder and the oil motor, respectively, for controlling the direction and sequence of the first cylinder, the second cylinder and the oil motor.
4. The multi-mechanism driven core pulling mold according to claim 3, wherein the control means employs a solenoid valve.
5. The multi-mechanism driven core-pulling mold according to claim 1, wherein the first cylinder has a first maximum stroke position, and the first insert is located at a completely retracted position when the first cylinder is located at the first maximum stroke position.
6. The multi-mechanism driven core-pulling mold according to claim 1, wherein the second cylinder has a second maximum stroke position, and the second insert is located at a completely retracted position when the second cylinder is located at the second maximum stroke position.
7. The multi-mechanism driven core pulling mold according to claim 1, wherein the core pulling direction of the first insert is parallel to the moving direction of the piston rod of the first cylinder.
8. The multi-mechanism driven core pulling mold according to claim 1, wherein the core pulling direction of the second insert is parallel to the moving direction of the piston rod of the second cylinder.
9. The multi-mechanism-driven core pulling mold according to claim 1, further comprising a fixed plate and a stripper plate, the stripper plate being located between the fixed plate and the a plate, the stripper plate being detachably disposed above the a plate, the stripper plate being detachably disposed below the fixed plate.
10. The multi-mechanism driven core pulling mold of claim 9, further comprising a nylon clamp fixed to an upper surface of the B plate, the nylon clamp being disposed between the a plate and the B plate, the nylon clamp being located within the a plate when the mold is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121521503.5U CN215750522U (en) | 2021-07-06 | 2021-07-06 | Multi-mechanism driven core-pulling mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121521503.5U CN215750522U (en) | 2021-07-06 | 2021-07-06 | Multi-mechanism driven core-pulling mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215750522U true CN215750522U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121521503.5U Active CN215750522U (en) | 2021-07-06 | 2021-07-06 | Multi-mechanism driven core-pulling mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215750522U (en) |
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2021
- 2021-07-06 CN CN202121521503.5U patent/CN215750522U/en active Active
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