Die capable of easily taking out product after die opening

By designing a mold structure including a nozzle, drainage plate and spring, the problem of difficulty in product removal during injection molding is solved, convenient and safe product removal and improved production efficiency.

CN222201544UActive Publication Date: 2024-12-20DONGGUAN DONGXIU TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420929954.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2024-12-20
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

In the injection molding process, the plastic material is closely connected to the mold after cooling, resulting in easy damage when removing the product, and time-consuming and labor-intensive operation, affecting convenience.

Method used

A mold structure including front mold, rear mold, front mold, rear mold, molding assembly and spring is designed. Through components such as squeezing nozzle, drainage plate, molding seat and guide column, the compression and expansion of the spring are utilized. Mechanism to easily remove the product from the mold.

Benefits of technology

It realizes simple and convenient operation to remove the product from the mold, avoid damage, and improves the quality and production efficiency of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, in particular to a mold with a product easy to take out after mold opening, which comprises a front mold body, a rear mold body, a front mold core arranged on the front mold body and a rear mold core arranged on the rear mold body, the front mold core is provided with a sprue, and the rear mold core is provided with a forming component matched with the sprue for use. The forming assembly comprises a drainage plate connected with the sprue, a first forming seat and a second forming seat which are connected with the drainage plate, and an insert arranged between the first forming seat and the second forming seat, a first guide column and a second guide column are arranged on the two sides of the drainage plate respectively, and the first forming seat is provided with a first spring arranged on the outer side of the first guide column in a sleeving mode; the second forming seat is provided with a second spring arranged on the outer side of the second guide column in a sleeving mode, the rear mold body is provided with a bottom plate and an ejector pin arranged on the bottom plate, and the ejector pin protrudes into the insert so that a workpiece formed on the insert in an injection molding mode can be ejected out and discharged. The operation is simple and convenient, the convenience of taking out the product from the mold is effectively improved, the product is prevented from being damaged, and the product quality is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a mold which is easy to take out products after the mold is opened. Background Art

[0002] The mold is an indispensable and important tool in the injection molding process. Injection molding refers to a method of injecting hot-melt plastic material at high speed into a closed molding space of the desired shape in the mold, and after the plastic material cools and solidifies, opening the mold to eject the solidified plastic processed product to obtain the product. In the process of using the mold for injection molding, after the plastic material cools, it will be tightly connected to the mold. During the removal process, it is often necessary to use tools to lift the product upward. However, when using tools to lift the product upward, it is easy to damage the product, making it difficult to remove the complete product. The operation is time-consuming and labor-intensive, affecting the convenience of removing the product from the mold. Utility Model Content

[0003] The purpose of the utility model is to provide a mold that is easy to take out the product after the mold is opened, which is simple and convenient to operate, effectively improves the convenience of taking out the product from the mold, avoids damage to the product, and ensures product quality.

[0004] To achieve the above-mentioned purpose, the utility model provides a mold for easily removing products after mold opening, comprising a front mold body, a rear mold body arranged opposite to the front mold body, a front mold core arranged on the front mold body, and a rear mold core arranged on the rear mold body, the front mold core is provided with a nozzle, the rear mold core is provided with a molding assembly used in conjunction with the nozzle, the molding assembly comprises a guide plate connected to the nozzle, a first molding seat and a second molding seat connected to the guide plate, and an insert arranged between the first molding seat and the second molding seat, a first guide column and a second guide column are respectively provided on both sides of the guide plate, the first molding seat is provided with a first spring sleeved on the outside of the first guide column, the second molding seat is provided with a second spring sleeved on the outside of the second guide column, the rear mold body is provided with a bottom plate and a ejector pin arranged on the bottom plate, the ejector pin protrudes into the insert to eject the workpiece injection molded on the insert.

[0005] Preferably, a drainage groove is recessed on the top of the drainage plate, a pouring head is convexly provided on the bottom of the drainage plate, drainage channels are opened at both ends of the drainage groove, and the drainage channels penetrate and connect between the drainage groove and the pouring head.

[0006] Preferably, the first forming seat is provided with a first accommodating groove for accommodating the first spring, a first forming groove is provided on a side of the first forming seat close to the second forming seat, a first connecting column is provided in the middle of the first forming seat, and first connecting grooves are provided on both sides of the first forming seat.

[0007] Preferably, a first connecting block and a first connecting screw arranged on the first connecting block are arranged on a side of the first forming seat away from the second forming seat, and the first connecting screw is passed through the rear mold body to connect the first connecting screw to the first connecting block.

[0008] Preferably, the second forming seat is provided with a second accommodating groove for accommodating a second spring, a second forming groove is provided on a side of the second forming seat close to the first forming seat, a second connecting groove is provided in the middle of the second forming seat, and second connecting columns are provided on both sides of the second forming seat, the first connecting column is accommodated in the second connecting groove, and the second connecting column is accommodated in the first connecting groove.

[0009] Preferably, a second connecting block and a second connecting screw arranged on the second connecting block are arranged on a side of the second molding seat away from the first molding seat, and the second connecting screw is passed through the rear mold body to connect the second connecting screw to the second connecting block.

[0010] Preferably, a through hole is opened in the insert, and the ejector pin is passed through the through hole and protrudes out of the insert.

[0011] The beneficial effects of the utility model are as follows: the operation is simple and convenient, and the convenience of taking out the product from the mold is effectively improved, the damage to the product is avoided, and the product quality is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of the internal sectional structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the longitudinal sectional structure of the guide plate of the utility model.

[0015] Figure 4 It is a schematic structural diagram of the first forming seat and the second forming seat of the utility model.

[0016] Figure 5 This is a schematic diagram of the insert structure of the utility model.

[0017] Reference numerals include:

[0018] 1——Front mold 2——Back mold 3——Front mold core

[0019] 4——Back mold 5——Mouth

[0020] 6——molding component 61——drainage plate

[0021] 62——first forming seat 621——first containing groove 622——first forming groove

[0022] 623——first connecting column 624——first connecting groove 625——first connecting block

[0023] 626——First connecting screw

[0024] 63——Second forming seat 631——Second containing groove 632——Second forming groove

[0025] 633——Second connection groove 634——Second connection column 635——Second connection block

[0026] 636——Second connecting screw

[0027] 64——Insert 641——Through hole

[0028] 65——first guide column 66——second guide column 67——first spring

[0029] 68——Second spring 69——Drainage groove 610——Pouring head

[0030] 611——Drainage Channel

[0031] 7——base plate 71——thimble. DETAILED DESCRIPTION

[0032] The utility model is described in detail below with reference to the accompanying drawings.

[0033] like Figures 1 to 5 As shown, the utility model is a mold for easily taking out products after mold opening, comprising a front mold body 1, a rear mold body 2 arranged opposite to the front mold body 1, a front mold core 3 arranged on the front mold body 1, and a rear mold core 4 arranged on the rear mold body 2, the front mold core 3 is provided with a nozzle 5, the rear mold core 4 is provided with a molding component 6 used in conjunction with the nozzle 5, the molding component 6 comprises a guide plate 61 connected to the nozzle 5, a first molding seat 62 and a second molding seat 63 connected to the guide plate 61, and a molding component 61 and a molding component 62 and a second molding seat 63 arranged on the first molding seat 62 and the second molding seat 63. An insert 64 is provided between the two molding seats 63, and a first guide column 65 and a second guide column 66 are respectively provided on both sides of the guide plate 61. The first molding seat 62 is provided with a first spring 67 sleeved on the outside of the first guide column 65, and the second molding seat 63 is provided with a second spring 68 sleeved on the outside of the second guide column 66. The rear mold body 2 is provided with a bottom plate 7 and a ejector pin 71 provided on the bottom plate 7, and the ejector pin 71 protrudes into the insert 64 to eject the workpiece injection molded on the insert 64.

[0034] During operation, the front mold body 1 and the rear mold body 2 are arranged relative to each other up and down, so that the nozzle 5 is in contact with the molding assembly 6, and the nozzle 5 injects the molten plastic material from the nozzle of the injection molding machine into the guide plate 61, and the guide plate 61 protrudes into the interior of the first molding seat 62 and the second molding seat 63. Since the insert 64 is arranged between the first molding seat 62 and the second molding seat 63, the molten plastic material is poured through the guide plate 61 to fill the gap between the first molding seat 62, the insert 64, and the second molding seat 63. After the plastic material is cooled and solidified, the bottom plate 7 moves upward, and the ejector pin 71 protrudes into the insert 64 and pushes the guide plate 61 upward, so that the first guide column 65 is separated from the second molding seat 62. A spring 67, the second guide column 66 is separated from the second spring 68, so that the guide plate 61 is completely separated from the first molding seat 62 and the second molding seat 63, so that the workpiece molded on the insert 64 can be ejected and unloaded, and the product can be taken and placed efficiently and conveniently. When the bottom plate 7 moves downward, the ejector pin 71 drives the guide plate 61 to move downward, so that the first guide column 65 is close to the first spring 67, and the second guide column 66 is close to the second spring 68. The first spring 67 and the second spring 68 are used to conveniently reset the guide plate 61, so that the guide plate 61 can be re-fitted and abutted against the first molding seat 62 and the second molding seat 63, so as to facilitate the next round of injection molding. The utility model is simple and convenient to operate, effectively improves the convenience of taking out the product from the mold, avoids damage to the product, and ensures product quality.

[0035] The top of the guide plate 61 of this embodiment is concavely provided with a guide groove 69, and the bottom of the guide plate 61 is convexly provided with a pouring head 610. Both ends of the guide groove 69 are provided with a guide channel 611, and the guide channel 611 penetrates and communicates between the guide groove 69 and the pouring head 610. Specifically, as a preference, four pouring heads 610 are provided, and the four pouring heads 610 are arranged at intervals along the length direction of the guide plate 61. The output end of the nozzle 5 injects molten plastic material into the guide groove 69, and the molten plastic material enters the pouring head 610 along the guide channel 611, so as to be diverted from the four pouring heads 610 into four streams of molten plastic material, thereby realizing synchronous injection molding of four workpieces with high work efficiency.

[0036] The first molding seat 62 of this embodiment is provided with a first accommodating groove 621 for accommodating the first spring 67, the first molding seat 62 is provided with a first molding groove 622 on one side close to the second molding seat 63, the first connecting column 623 is provided in the middle of the first molding seat 62, and the first connecting grooves 624 are provided on both sides of the first molding seat 62. Specifically, as a preference, four first molding grooves 622 are provided, and the four first molding grooves 622 are arranged at intervals along the length direction of the first molding seat 62, and the synchronous injection molding of four workpieces is synchronously completed by using the four first molding grooves 622. The first molding seat 62 uses the first accommodating groove 621 to stably place the first spring 67, and the placement stability is good. The first molding seat 62 is connected and fixed with the second molding seat 63 through the first connecting column 623 and the first connecting groove 624, and the connection is stable and reliable.

[0037] In this embodiment, a first connection block 625 and a first connection screw 626 disposed on the first connection block 625 are disposed on a side of the first molding seat 62 away from the second molding seat 63, and the first connection screw 626 is passed through the rear mold body 2 so that the first connection screw 626 is connected to the first connection block 625. Specifically, the first connection screw 626 is passed through the rear mold body 2 so that the first connection screw 626 is connected to the first connection block 625, thereby fixing the position of the first molding seat 62 on the rear mold body 2, and the position stability is good.

[0038] The second molding seat 63 of this embodiment is provided with a second accommodating groove 631 for accommodating the second spring 68, the second molding seat 63 is provided with a second molding groove 632 on a side close to the first molding seat 62, the middle part of the second molding seat 63 is provided with a second connecting groove 633, and the two sides of the second molding seat 63 are provided with second connecting columns 634, the first connecting column 623 is accommodated in the second connecting groove 633, and the second connecting column 634 is accommodated in the first connecting groove 624. Specifically, as a preference, four second molding grooves 632 are provided and the four second molding grooves 632 are arranged at intervals along the length direction of the second molding seat 63, and the four second molding grooves 632 are used to synchronously complete the synchronous injection molding of four workpieces. The second molding seat 63 uses the second accommodating groove 631 to place the second spring 68, and the placement stability is good. The second molding seat 63 is connected to the first connecting column 623 through the second connecting groove 633, and the second connecting column 634 is connected to the first connecting groove 624, so as to realize the connection and fixation between the second molding seat 63 and the first molding seat 62, and the connection is stable and not easy to loosen and fall off.

[0039] In this embodiment, a second forming seat 63 is provided with a second connecting block 635 and a second connecting screw 636 provided on the second connecting block 635 on a side away from the first forming seat 62, and the second connecting screw 636 is passed through the rear mold body 2 so that the second connecting screw 636 is connected to the second connecting block 635. Specifically, the second connecting screw 636 is passed through the rear mold body 2 so that the second connecting screw 636 is connected to the second connecting block 635, thereby fixing the position of the second forming seat 63 on the rear mold body 2, and the position stability is good.

[0040] In the present embodiment, a through hole 641 is provided in the insert 64, and the ejector pin 71 is passed through the through hole 641 and protrudes out of the insert 64. Specifically, the through hole 641 is provided through the insert 64, so that the ejector pin 71 is passed through the through hole 641 and protrudes out of the insert 64, thereby meeting the working requirement of ejecting and unloading the workpiece injection molded on the insert 64.

[0041] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A mold for easily taking out a product after mold opening, comprising a front mold body, a rear mold body arranged opposite to the front mold body, a front mold core arranged on the front mold body, and a rear mold core arranged on the rear mold body, characterized in that: The front mold core is provided with a nozzle, and the rear mold core is provided with a molding assembly used in conjunction with the nozzle. The molding assembly includes a guide plate connected to the nozzle, a first molding seat and a second molding seat connected to the guide plate, and an insert arranged between the first molding seat and the second molding seat. The two sides of the guide plate are respectively provided with a first guide column and a second guide column, the first molding seat is provided with a first spring sleeved on the outside of the first guide column, and the second molding seat is provided with a second spring sleeved on the outside of the second guide column. The rear mold body is provided with a bottom plate and an ejector pin arranged on the bottom plate, and the ejector pin protrudes into the insert to eject the workpiece injection molded on the insert.

2. A mold that is easy to take out the product after opening the mold according to claim 1, characterized in that: The top of the drainage plate is concavely provided with a drainage groove, the bottom of the drainage plate is convexly provided with a pouring head, both ends of the drainage groove are provided with drainage channels, and the drainage channels penetrate and communicate between the drainage groove and the pouring head.

3. A mold for easily removing products after mold opening according to claim 1, characterized in that: The first forming seat is provided with a first accommodating groove for accommodating the first spring, the first forming seat is provided with a first forming groove on a side close to the second forming seat, a first connecting column is provided in the middle of the first forming seat, and first connecting grooves are provided on both sides of the first forming seat.

4. A mold for easily removing products after mold opening according to claim 3, characterized in that: A first connection block and a first connection screw arranged on the first connection block are arranged on a side of the first forming seat away from the second forming seat, and the first connection screw is passed through the rear mold body so as to connect the first connection screw to the first connection block.

5. A mold for easily removing products after mold opening according to claim 3, characterized in that: The second forming seat is provided with a second accommodating groove for accommodating a second spring, a second forming groove is provided on a side of the second forming seat close to the first forming seat, a second connecting groove is provided in the middle of the second forming seat, and second connecting columns are provided on both sides of the second forming seat, the first connecting column is accommodated in the second connecting groove, and the second connecting column is accommodated in the first connecting groove.

6. A mold for easily removing products after mold opening according to claim 5, characterized in that: A second connecting block and a second connecting screw arranged on the second connecting block are arranged on a side of the second molding seat away from the first molding seat, and the second connecting screw is passed through the rear mold body so that the second connecting screw is connected to the second connecting block.

7. A mold for easily removing products after mold opening according to claim 1, characterized in that: A through hole is provided in the insert, and the ejector pin is passed through the through hole and protrudes out of the insert.