CN215472748U - Product traceless ejection injection mold - Google Patents
Product traceless ejection injection mold Download PDFInfo
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- CN215472748U CN215472748U CN202121416680.7U CN202121416680U CN215472748U CN 215472748 U CN215472748 U CN 215472748U CN 202121416680 U CN202121416680 U CN 202121416680U CN 215472748 U CN215472748 U CN 215472748U
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Abstract
The utility model discloses a traceless ejection injection mold for a product, which comprises: the product ejector pin is arranged on the rear die core of the die and ejects a product after the product is solidified and molded; the upper part of the sliding block is provided with a glue sealing block on the surface matched with the rear mold core, the glue sealing block is positioned above the product thimble in the mold closing state of the mold, the glue sealing block slides outwards along with the sliding block in the mold opening state of the mold, and the product thimble pushes the product upwards; the product ejector pin does not participate in the molding of the injection product, and the product is ejected upwards by the product ejector pin after the product is solidified, so that traceless ejection is realized, the trace removing process is saved, and the production efficiency is improved; in addition, due to the staggered design of the stub bar ejector pins, a self-locking effect is achieved during injection molding, and the product is prevented from being influenced by the ejector pins.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a traceless ejection injection mold for a product.
Background
In the manufacturing process of injection products, after the products are solidified and formed, the products need to be ejected by using ejector pins; according to the conventional injection mold, the ejector pins participate in the molding of the product, so that ejector pin marks exist on the product, subsequent treatment is needed, the processing procedures are increased, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The technical purpose is as follows: aiming at the defects of thimble marks and low production efficiency of the existing injection mold product, the utility model discloses a traceless ejection injection mold for a product, wherein the thimble does not participate in product molding, and the thimble marks do not need to be removed after the product is solidified.
The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:
a product traceless ejection injection mold, comprising:
the slide block is arranged on the rear template of the mould and is connected with the rear template in a sliding way along the direction towards the mould core,
the product ejector pin is arranged on the rear die core of the die and used for ejecting the product after the product is solidified and molded;
the upper portion of the sliding block is provided with a glue sealing block on the surface matched with the rear mold core, the glue sealing block is located above the product ejector pin in the mold closing state of the mold, the glue sealing block slides outwards along with the sliding block in the mold opening state of the mold, and the product ejector pin ejects a product upwards.
Preferably, an ejector plate for pushing the product ejector pins to eject upwards is arranged below the rear template, and the ejector plate comprises an upper needle plate and a lower needle plate; the bottom of product thimble adopts the cross-section to be protruding type shape, and the great one end of diameter is located the below, goes up the faller be equipped with product thimble bottom assorted protruding type hole, the bottom card of product thimble is downthehole at the protruding type, the upper surface contact of bottom and faller down.
Preferably, the rear die core is provided with a thimble hole matched with the product thimble in shape, the diameter of the lower part of the thimble hole is larger than that of the upper part of the thimble hole, a limiting step is formed between the lower part and the upper part of the thimble hole, the product thimble is matched with the thimble hole in shape, and the jacking height of the product thimble is limited by the limiting step.
Preferably, a bottom plate for supporting the rear template and the rear mold core is arranged below the ejector plate, and square iron for supporting is arranged between the rear template and the bottom plate.
Preferably, a stub bar thimble is arranged below the sliding block of the rear template, and the stub bar on the sliding block is ejected out after a product is molded; the bottom of the stub bar thimble adopts the same structure as the product thimble, and a material taking hole for the stub bar thimble to pass through is arranged in the slide block.
Preferably, the material taking hole is staggered with the stub bar thimble in a mold closing state, and corresponds to the stub bar thimble in a vertical direction in a mold opening state.
Has the advantages that: the traceless ejection injection mold for the product has the following beneficial effects:
1. the upper part of the sliding block is provided with the glue sealing block at the matching part with the rear mold core, the molten glue flows over the glue sealing block in the injection molding process of a product, the ejector pin of the product is positioned below the glue sealing block and does not participate in the molding of the product, the product is ejected after the product is cured and molded, and no ejector pin trace exists on the product.
2. The rear die core is provided with the thimble holes matched with the product thimbles in shape, the diameter of the lower parts of the thimble holes is larger than that of the upper parts of the thimble holes, the limiting steps are formed between the lower parts and the upper parts of the thimble holes, the jacking height of the product thimbles is limited by the limiting steps, the operation is convenient, and the jacking height does not need to be controlled independently.
3. The rear template is provided with a stub bar thimble used for ejecting a stub bar on a sliding block, the stub bar thimble is positioned below the sliding block, the stub bar thimble is staggered with a material taking hole arranged on the sliding block in a die assembly state, the stub bar thimble and the material taking hole correspondingly eject the stub bar in a die opening state, and a self-locking effect is realized in the die assembly state to prevent the product thimble from rising to influence the product forming.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is an overall structure diagram of the mold clamping state of the utility model;
FIG. 2 is an overall structure view of the mold opening state of the present invention;
wherein, 1-slide block, 2-rear template, 3-product thimble, 4-rear mold core, 5-glue sealing block, 6-upper needle plate, 7-lower needle plate, 8-thimble hole, 9-spacing step, 10-bottom plate, 11-square iron, 12-stub bar thimble, 13-material taking hole.
Detailed Description
The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, without thereby limiting the scope of the utility model to the described embodiment.
Fig. 1 and 2 show a traceless ejection injection mold for a product, which is disclosed by the utility model, and comprises:
the slide block 1 is arranged on the rear template 2 of the mould and is connected with the rear template 2 in a sliding way along the direction towards the mould core,
the product ejector pin 3 is arranged on the rear mold core 4 of the mold, and the product is ejected out after the product is solidified and molded;
the upper portion of the sliding block 1 is provided with a glue sealing block 5 on the surface matched with the rear mold core 4, the glue sealing block 5 is located above the product thimble 3 in the mold closing state of the mold, the glue sealing block 5 slides outwards along with the sliding block 1 in the mold opening state of the mold, and the product thimble 3 ejects the product upwards.
An ejector plate for pushing product ejector pins to eject upwards is arranged below a rear mold core 4, and comprises an upper needle plate 6 and a lower needle plate 7; the bottom of product thimble 3 adopts the cross-section to be protruding type shape, and the great one end of diameter is located the below, goes up needle plate 6 and is equipped with the protruding type hole of product thimble 3 bottom assorted, and the bottom card of product thimble 3 is in the protruding type hole, the upper surface contact of bottom and lower needle plate 7.
The bottom plate 10 used for supporting the rear template and the rear mold core is arranged below the ejector plate, the square iron 11 used for supporting is arranged between the rear template 2 and the bottom plate 10, the height of the square iron 11 is larger than the jacking distance required by the product ejector pin 3, and enough moving height of the ejector plate is reserved.
The rear die core 4 is provided with an ejector pin hole 8 matched with the shape of the product ejector pin 3, the diameter of the lower part of the ejector pin hole 8 is larger than that of the upper part, a limiting step 9 is formed between the lower part and the upper part, the shape of the product ejector pin 3 is matched with the ejector pin hole 8, and the jacking height of the product ejector pin 3 is limited by the limiting step 9.
When a product is taken, the lower needle plate 7 drives the upper needle plate 6 to ascend, the product ejector pins 3 with the bottoms limited in the upper needle plate 6 are jacked upwards, and when the set height is reached, the limiting steps 9 block the product ejector pins 3 to prevent the product ejector pins from continuously moving upwards.
A rear template 2 is provided with a stub bar thimble 12 below a sliding block 1, and the stub bar on the sliding block 1 is ejected out after a product is formed; the bottom of the stub bar thimble 12 adopts the same structure as the product thimble 3, a material taking hole 13 for the stub bar thimble to pass through is arranged in the slide block 1, the material taking hole 13 is staggered with the stub bar thimble 12 in a die assembly state, and corresponds to the stub bar thimble 12 in the vertical direction in a die opening state; the injection molding device can play a self-locking role during injection molding, and prevents the ejector pin from jacking to influence product molding.
When the utility model is used, the slide block 1 is pushed firstly to lead the glue sealing block 5 to be jointed with the rear mould core 4, at the moment, the ejector plate is positioned on the bottom plate 10, and the product ejector pin 3 and the stub bar ejector pin 12 are positioned at the lowest position; injecting molten glue into a runner of the mold, after the molten glue is cooled and molded in a mold cavity, sliding the sliding block 1 to the outer side to let out the position above the product thimble 3, enabling the material taking hole 13 on the sliding block to correspond to the stub bar thimble 12 in the vertical direction, enabling the thimble plate to move upwards, enabling the product thimble 3 to jack up the product, enabling the stub bar on the sliding block 1 to jack up the stub bar by the stub bar thimble 12, completing the operation of taking a piece, and realizing the traceless ejection of an injection molding product.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (6)
1. The utility model provides a product does not have ejecting injection mold of trace which characterized in that includes:
a slide block (1) arranged on the rear template (2) of the mould and connected with the rear template (2) in a sliding way along the direction towards the mould core,
the product ejector pin (3) is arranged on the rear die core (4) of the die and ejects the product after the product is solidified and molded;
the upper portion of the sliding block (1) is provided with a glue sealing block (5) on the surface matched with the rear mold core (4), the glue sealing block (5) is located above the product ejector pin (3) in a mold closing state of the mold, the glue sealing block (5) slides outwards along with the sliding block (1) in a mold opening state of the mold, and the product ejector pin (3) upwards ejects a product.
2. The product traceless ejection injection mold according to claim 1, wherein an ejector plate for pushing product ejector pins to eject upwards is arranged below the rear mold core (4), and the ejector plate comprises an upper needle plate (6) and a lower needle plate (7); the bottom of the product thimble (3) adopts a cross section in a convex shape, the end with the larger diameter is positioned below, the upper needle plate (6) is provided with a convex hole matched with the bottom of the product thimble (3), the bottom of the product thimble (3) is clamped in the convex hole, and the bottom end of the product thimble is in contact with the upper surface of the lower needle plate (7).
3. The product traceless ejection injection mold according to claim 2, wherein the rear mold core (4) is provided with an ejector pin hole (8) matched with the shape of the product ejector pin (3), the diameter of the lower part of the ejector pin hole (8) is larger than that of the upper part, a limiting step (9) is formed between the lower part and the upper part, the shape of the product ejector pin (3) is matched with that of the ejector pin hole (8), and the jacking height of the product ejector pin (3) is limited by the limiting step (9).
4. The product traceless ejection injection mold according to claim 2, wherein a bottom plate (10) for supporting the rear mold plate and the rear mold core is arranged below the ejector plate, and a square iron (11) for supporting is arranged between the rear mold plate (2) and the bottom plate (10).
5. The product traceless ejection injection mold according to claim 1, wherein the rear mold plate (2) is provided with a stub bar ejector pin (12) below the slide block (1), and the stub bar on the slide block (1) is ejected after the product is molded; the bottom of the stub bar thimble (12) adopts the same structure as the product thimble (3), and a material taking hole (13) for the stub bar thimble to pass through is arranged in the slide block (1).
6. The product traceless ejection injection mold according to claim 5, wherein the material taking hole (13) is staggered from the stub pin (12) in a mold closing state and corresponds to the stub pin (12) in a vertical direction in a mold opening state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121416680.7U CN215472748U (en) | 2021-06-24 | 2021-06-24 | Product traceless ejection injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121416680.7U CN215472748U (en) | 2021-06-24 | 2021-06-24 | Product traceless ejection injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215472748U true CN215472748U (en) | 2022-01-11 |
Family
ID=79721733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121416680.7U Active CN215472748U (en) | 2021-06-24 | 2021-06-24 | Product traceless ejection injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215472748U (en) |
-
2021
- 2021-06-24 CN CN202121416680.7U patent/CN215472748U/en active Active
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