CN216732745U - Plastic plate injection molding rear die assembly with rear pipe fitting - Google Patents
Plastic plate injection molding rear die assembly with rear pipe fitting Download PDFInfo
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- CN216732745U CN216732745U CN202122727756.4U CN202122727756U CN216732745U CN 216732745 U CN216732745 U CN 216732745U CN 202122727756 U CN202122727756 U CN 202122727756U CN 216732745 U CN216732745 U CN 216732745U
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- rear die
- die
- ejector pin
- fixing plate
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Abstract
The utility model relates to a plastic plate injection molding rear die assembly with a rear pipe fitting, which comprises a rear die base plate, a rear die cushion block, a rear die fixing plate, a rear die plate and a rear die insert, wherein an insert cavity is arranged on the front side of the rear die plate, the rear die fixing plate is provided with a die assembly guide pillar, an ejector pin guide pillar is connected between the rear die fixing plate and the rear die base plate, an ejector pin plate is arranged on the ejector pin guide pillar, the ejector pin plate is in front-rear sliding fit along the ejector pin guide pillar, the ejector pin plate is provided with an ejector pin body which extends forwards and sequentially penetrates through the rear die fixing plate, the rear die plate and the rear die insert, the rear die plate is elastically connected with the rear die fixing plate, the rear die fixing plate is provided with a core rod which extends forwards and sequentially penetrates through the rear die plate and the rear die insert, and the rear die insert is provided with a cavity matched with the core rod. According to the utility model, the floating spring is used for realizing forward movement of the rear template and the rear mold insert during mold opening, so as to realize demolding of the hollow tube part, and then the ejector plate is used for realizing ejection of the plate, so that the plate is effectively prevented from being damaged by ejection, and the structure is simple.
Description
Technical Field
The utility model relates to an injection mold, in particular to a plastic plate injection molding rear mold assembly with a rear pipe fitting.
Background
The plastic plate with the hollow tube arranged on the surface is generally formed by injection molding through an injection mold, when the plate is thin, the plate is easy to deform in the demoulding process of the hollow tube, and the plate can be jacked by the ejection thimble under the action of the drawing force of the hollow tube.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model aims to provide a plastic plate injection molding rear mold assembly provided with a rear pipe fitting.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a plastic plate injection molding rear die assembly with a rear pipe fitting comprises a rear die base plate, a rear die cushion block arranged on the front side of the rear die base plate, a rear die fixing plate arranged on the front side of the rear die cushion block, a rear die plate arranged on the front side of the rear die fixing plate and a rear die insert block arranged on the front side of the rear die plate, wherein an insert cavity for placing the rear die insert block is arranged on the front side of the rear die plate, a die closing guide pillar extending forwards and penetrating through the rear die plate is arranged on the rear die fixing plate, the rear die plate is matched with the die closing guide pillar and slides along the die closing guide pillar, a thimble guide pillar is connected between the rear die fixing plate and the rear die base plate, an ejector pin plate is arranged on the guide pillar and is in front-back sliding fit along the thimble guide pillar, and an ejector pin body extending forwards and sequentially penetrating through the rear die fixing plate, the rear die plate and the rear die insert block is arranged on the ejector pin plate, the rear die plate is elastically connected with the rear die fixing plate, the ejector plate is elastically connected with the rear die plate, a core rod which extends forwards and sequentially penetrates through the rear die plate and the rear die insert is arranged on the rear die fixing plate, and a cavity matched with the core rod is arranged on the rear die insert.
Realize moving forward through floating spring in the above-mentioned design back template and back mould insert when the die sinking, realize the drawing of patterns at hollow tube position, then the rethread thimble board realizes the ejecting to the plate, effectively avoids the top to hinder the plate, simple structure.
As a further improvement of the design, the rear template is connected with the rear template fixing plate through a floating spring, and the rear template is connected with the ejector plate through a return spring. The floating spring drives the rear template to move, and the reset spring pushes the ejector plate to reset, so that the structure is simple.
As a further improvement of the design, the floating spring and the return spring are both rectangular springs, and are long in stroke and good in positioning performance.
As a further improvement of the design, the ejector plate is provided with an auxiliary guide post which extends forwards and sequentially penetrates through the rear die fixing plate and the rear die plate, and a return spring connected between the rear die plate and the ejector plate is sleeved on the auxiliary guide post. The auxiliary guide pillar is convenient for the supplementary direction of thimble board and is convenient for the accurate of thimble board to reset.
The utility model has the beneficial effects that: according to the utility model, the rear die plate and the rear die insert move forwards during die opening through the floating spring, so that demoulding of the hollow tube part is realized, and then the ejector plate is used for ejecting the plate, so that the plate is effectively prevented from being damaged by ejecting, and the structure is simple.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic drawing showing the overall cross-section of the floating spring position of the present invention.
Fig. 3 is a schematic overall cross-sectional view of the return spring position of the present invention.
FIG. 4 is a schematic view of the overall cross-sectional structure of the thimble body according to the present invention.
In the drawing, 1, a rear die base plate, 2, a rear die cushion block, 3, a rear die fixing plate, 4, a floating spring, 5, a rear die plate, 6, a rear die insert, 7, an insert cavity, 8, an ejector pin guide post, 9, an ejector pin plate, 10, an ejector pin body, 11, a core rod, 12, a die assembly guide post, 13, a die cavity, 14, a return spring and 15, an auxiliary guide post are arranged.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
Example (b): a plastic plate injection molding rear die assembly with a rear pipe fitting comprises a rear die base plate 1, a rear die cushion block 2 arranged on the front side of the rear die base plate 1, a rear die fixing plate 3 arranged on the front side of the rear die cushion block 2, a rear die plate 5 arranged on the front side of the rear die fixing plate 3, and a rear die insert 6 arranged on the front side of the rear die plate 5, wherein an insert cavity 7 for placing the rear die insert 6 is arranged on the front side of the rear die plate 5, a die closing guide pillar 12 extending forwards and penetrating through the rear die plate 5 is arranged on the rear die fixing plate 3, the rear die plate 5 is matched with the die closing guide pillar 12 and slides along the die closing guide pillar 12, an ejector pin guide pillar 8 is connected between the rear die fixing plate 3 and the rear die base plate 1, an ejector pin plate 9 is arranged on the ejector pin guide pillar 8, the ejector pin plate 9 is in sliding fit along the front and the rear of the ejector pin guide pillar 8, and the ejector pin plate 9 is provided with a die closing guide pillar 8 extending forwards and sequentially penetrating through the rear die fixing plate 3, The ejector pin structure comprises a rear template 5 and an ejector pin body 10 of a rear template insert 6, wherein the rear template 5 is elastically connected with a rear template fixing plate 3, an ejector pin plate 9 is elastically connected with the rear template 5, a core rod 11 which extends forwards and sequentially penetrates through the rear template 5 and the rear template insert 6 is arranged on the rear template fixing plate 3, and a cavity 13 matched with the core rod 11 is arranged on the rear template insert 6.
Realize through floating spring 4 in the above-mentioned design that back template 5 and back mould insert 6 move forward when the die sinking, realize the drawing of patterns at hollow tube position, then realize ejecting to the plate through thimble board 9, effectively avoid the top to hinder the plate, simple structure.
As a further improvement of the present design, the rear die plate 5 is connected to the rear die fixing plate 3 by a floating spring 4, and the rear die plate 5 is connected to the ejector plate 9 by a return spring 14. The floating spring 4 drives the rear template 5 to move, and the return spring 14 pushes the ejector plate 9 to return, so that the structure is simple.
As a further improvement of the design, the floating spring 4 and the return spring 14 are both rectangular springs, and have long stroke and good positioning property.
As a further improvement of the design, the ejector plate 9 is provided with an auxiliary guide post 15 which extends forwards and sequentially penetrates through the rear die fixing plate 3 and the rear die plate 5, and a return spring 14 connected between the rear die plate 5 and the ejector plate 9 is sleeved on the auxiliary guide post 15. The auxiliary guide post 15 is convenient for the auxiliary guide of the ejector plate 9 and is convenient for the accurate resetting of the ejector plate 9.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (3)
1. A plastic plate injection molding rear die assembly with a rear pipe fitting comprises a rear die base plate, a rear die cushion block arranged on the front side of the rear die base plate, a rear die fixing plate arranged on the front side of the rear die cushion block, a rear die plate arranged on the front side of the rear die fixing plate and a rear die insert arranged on the front side of the rear die plate The ejector pin structure comprises a rear template and an ejector pin body of a rear mold insert, wherein the rear template is elastically connected with a rear mold fixing plate, an ejector pin plate is elastically connected with the rear template, a core rod which extends forwards and sequentially penetrates through the rear template and the rear mold insert is arranged on the rear mold fixing plate, a cavity matched with the core rod is arranged on the rear mold insert, the rear template is connected with the rear mold fixing plate through a floating spring, and the rear template is connected with the ejector pin plate through a reset spring.
2. The plastic panel injection molding rear mold assembly with a rear pipe as claimed in claim 1, wherein said floating spring and said return spring are rectangular springs.
3. The injection molding rear die assembly for plastic plates with rear pipe fittings as claimed in claim 1, wherein the ejector plate is provided with auxiliary guide posts extending forward and sequentially penetrating the rear die fixing plate and the rear die plate, and return springs connected between the rear die plate and the ejector plate are sleeved on the auxiliary guide posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122727756.4U CN216732745U (en) | 2021-11-09 | 2021-11-09 | Plastic plate injection molding rear die assembly with rear pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122727756.4U CN216732745U (en) | 2021-11-09 | 2021-11-09 | Plastic plate injection molding rear die assembly with rear pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216732745U true CN216732745U (en) | 2022-06-14 |
Family
ID=81925419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122727756.4U Active CN216732745U (en) | 2021-11-09 | 2021-11-09 | Plastic plate injection molding rear die assembly with rear pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216732745U (en) |
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2021
- 2021-11-09 CN CN202122727756.4U patent/CN216732745U/en active Active
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