CN222245939U - Sliding block type ejection structure of integrated injection mold of rubber and iron - Google Patents
Sliding block type ejection structure of integrated injection mold of rubber and iron Download PDFInfo
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- CN222245939U CN222245939U CN202420250670.8U CN202420250670U CN222245939U CN 222245939 U CN222245939 U CN 222245939U CN 202420250670 U CN202420250670 U CN 202420250670U CN 222245939 U CN222245939 U CN 222245939U
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Abstract
The utility model discloses a sliding block type ejection structure of an integrated injection mold for rubber iron, which comprises a front mold and a rear mold arranged below the front mold, wherein a mold cavity for molding the rubber iron is formed between parting surfaces of the front mold and the rear mold, four sliding blocks are arranged and are respectively arranged on four sides of a rear mold core and can slide towards the mold cavity direction, and base columns are arranged on four sides of the front mold core, and bottom ends of the base columns are inclined away from the center direction of the rear mold and respectively extend into the corresponding sliding blocks. According to the utility model, the four sliding blocks are driven to be synchronously far away from the die cavity along with the principle of the upper die by the base column, so that the periphery of the rubber iron product is not wrapped, the packing force is reduced, the top end of the rubber iron product is a flat thimble, the concentration of the bottom stress of the rubber iron product is avoided, and the two parts act together, so that the packing force is small, the bottom stress is dispersed, the deformation is not easy to occur, and the production quality of the rubber iron product is ensured.
Description
Technical Field
The utility model particularly relates to a sliding block type ejection structure of a rubber-iron integrated injection mold.
Background
The glue iron is a composite material of glue and iron, in the process of glue iron integral injection molding, the melt adhesive for injection molding needs to enter a cavity of a mold through a preset sprue runner, and after a glue iron product is cooled and molded, the injection molded glue iron product is ejected out of a mold core by using a thimble;
However, when the existing rubber iron injection mold ejects the rubber iron product, the periphery of the rubber iron injection mold is easy to deform due to larger packing force of the rubber iron product, and the rubber iron injection mold needs to be modified in a later period, so that the production quality is low.
Therefore, it is necessary to invent a slider type ejection structure of a rubber-iron integrated injection mold to solve the above problems.
Disclosure of utility model
Object of the utility model
In order to solve the technical problems in the background art, the utility model provides a sliding block type ejection structure of an integrated injection mold for rubber iron, and the four sliding blocks are driven to be synchronously away from a mold cavity through the principle that a base column is along with an upper mold, so that the periphery of a rubber iron product is not wrapped, the wrapping force is reduced, the top end of the ejector pin is a flat ejector pin, the bottom of the rubber iron product is prevented from being concentrated in stress, and the ejector pin act together, so that the wrapping force is small, the bottom surface is dispersed in stress, the deformation is difficult to occur, and the production quality of the rubber iron product is ensured.
(II) technical scheme
In order to achieve the aim, the utility model provides the technical scheme that the sliding block type ejection structure of the integrated injection mold for the rubber iron comprises a front mold and a rear mold arranged below the front mold, wherein a mold cavity for molding the rubber iron is formed between the parting surfaces of the front mold and the rear mold;
the sliding blocks are provided with four sliding blocks, are respectively arranged on four sides of the rear die core and can slide towards the die cavity;
The base columns are arranged on four sides of the front die core, the bottom ends of the base columns are inclined away from the center direction of the rear die and extend into the corresponding sliding blocks respectively, and when the front die and the rear die are separated, the four sliding blocks are driven to slide towards the outer side of the die cavity at the same time so as to control the packing force of the rubber iron product;
The ejector pin is arranged in the rear die and can move upwards towards the die cavity direction, and the ejector pin ejects the rubber iron product after being solidified and molded.
Preferably, the base columns are at least six, wherein two base columns are respectively arranged at the left side and the right side of the rear die core, and the other four base columns are respectively arranged at the front side and the rear side of the rear die core in a pair.
Preferably, two of the sliding blocks positioned on the long sides of the rubber product, namely the front side and the rear side of the rear mold core are lengthened, each sliding block top is provided with a base hole for inserting a base column, and the number of the base holes on the sliding blocks positioned on the front side and the rear side of the rear mold core is two.
Preferably, the quantity of thimble is provided with a plurality of, along the even interval distribution of rubber iron product rear edge, and left and right sides limit.
Preferably, the cross section of the bottom of each thimble is in a convex shape, and the top of each thimble is in a flat shape.
Preferably, a thimble plate for pushing the thimble to eject upwards is arranged at the bottom of the rear mould core.
Preferably, the thimble plate comprises an upper top plate and a lower top plate positioned below the upper top plate, and each bottom end of the thimble passes through the upper top plate to be in contact with the top surface of the lower top plate.
Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
According to the utility model, the sliding blocks capable of sliding towards the direction far away from the die cavity are arranged on the four sides of the die cavity, when the ejector pins are ejected out by the solidification forming of the rubber iron product, namely the parting surface is opened, the base column is driven to move upwards by the upper die due to the distance from the upper die, and then the four sliding blocks are driven to synchronously move away from the die cavity, at the moment, the periphery of the rubber iron product is not wrapped, the wrapping force is reduced, the ejector pins with flat top ends are larger in contact area with the rubber iron product, and the concentration of stress at the bottom of the rubber iron product is avoided, so that the deformation phenomenon caused by the larger wrapping force and the concentration of stress at the bottom surface of the rubber iron product during ejection is reduced, and the production quality of the rubber iron product is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the distribution of pins according to the present utility model;
FIG. 3 is a schematic diagram of a slider distribution according to the present utility model;
Fig. 4 is a perspective view of the present utility model.
Reference numerals illustrate:
1 front mould, 2 back mould, 3 sliders, 4 base posts, 5 ejector pins, 6 base holes, 7 ejector pins, 8 upper top plates and 9 lower top plates.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a slide block type ejection structure of a rubber and iron integrated injection mold, which is shown in fig. 1-4, and comprises a front mold 1 and a rear mold 2 arranged below the front mold 1, wherein a mold cavity for molding rubber and iron is formed between parting surfaces of the front mold 1 and the rear mold 2;
The sliding blocks 3 are provided with four sliding blocks, are respectively arranged on four sides of the die core of the rear die 2 and can slide towards the die cavity direction;
The base columns 4 are arranged on four sides of the die core of the front die 1, the bottom ends of the base columns incline away from the center direction of the rear die 2 and extend into the corresponding sliding blocks 3 respectively, and when the front die 1 and the rear die 2 are separated, the four sliding blocks 3 can be driven to slide towards the outer side of the die cavity at the same time so as to control the packing force of the rubber iron product;
The ejector pin 5 is arranged in the rear die 2 and can move upwards towards the direction of the die cavity, and the ejector pin is ejected out after the rubber iron product is solidified and molded.
In one embodiment, the base posts 4 are at least six, two of the base posts 4 are respectively arranged at the left side and the right side of the mold core of the rear mold 2, and the other four base posts 4 are respectively arranged at the front side and the rear side of the mold core of the rear mold 2, wherein two slide blocks 3 positioned on the long sides of the rubber product, namely the front side and the rear side of the mold core of the rear mold 2, are lengthened, base holes 6 into which the base posts 4 can be inserted are formed at the top of each slide block 3, and two base holes 6 positioned on the slide blocks 3 positioned on the front side and the rear side of the mold core of the rear mold 2 are respectively arranged, so that the slide blocks 3 are relatively stable in moving and cannot incline.
In an embodiment, the quantity of thimble 5 is provided with a plurality of, along the even interval distribution of rubber product rear edge and left and right sides limit, every thimble 5 bottom cross section all sets up to protruding shape, and the top all sets up to the platykurtic, has increased the area of contact of thimble 5 top and rubber product, avoids the rubber product when being ejecting, and the bottom atress is concentrated and takes place deformation.
In one embodiment, the bottom of the cavity of the rear mold 2 is provided with a thimble plate 7 for pushing the thimble 5 to eject upwards, the thimble plate 7 comprises an upper top plate 8 and a lower top plate 9 positioned below the upper top plate 8, and the bottom end of each thimble 5 passes through the upper top plate 8 to contact with the top surface of the lower top plate 9, so as to facilitate driving the thimble 5 to move upwards to eject the rubber product.
When the utility model is used, a steel plate for forming is directly placed in a die cavity, then molten rubber is injected into the die cavity through a gate, and after the molten rubber is cooled and solidified, namely when a rubber iron product is formed, the front die 1 is far away from the rear die 2, so that a parting surface is opened;
At the moment, due to the upward movement of the upper die, each base column 4 is driven to move upward, and due to the inclined design of the base columns 4, the four sliding blocks 3 synchronously move away from the die cavity, namely, the outside of the die cavity slides and then move away from the periphery of the rubber iron product, the periphery of the rubber iron product is not wrapped, namely, the periphery is not blocked, the packing force of the rubber iron product is reduced, the phenomenon that the rubber iron product is damaged due to the large packing force is reduced when the rubber iron product is ejected, the deformation of the rubber iron product is avoided, and the production quality of the rubber iron product is ensured;
At this time, the ejector pin 5 moves upwards to eject the rubber product under the action of the ejector plate 7, and the contact area between the ejector pin 5 and the rubber product is large because the top of the ejector pin 5 is flat, so that the concentration of the bottom stress of the rubber product is avoided, and the bottom of the rubber product can be prevented from being damaged when the ejector pin 5 ejects the rubber product;
According to the embodiment, the problems that the periphery of the prior art is easy to deform, later correction is needed and the production quality is low when the conventional rubber iron injection mold ejects a rubber iron product are solved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The sliding block type ejection structure of the integrated injection mold of the rubber iron is characterized by comprising the following components:
A front die (1) and a rear die (2) arranged below the front die (1), wherein a die cavity for molding rubber iron is formed between the parting surface of the front die (1) and the parting surface of the rear die (2);
The sliding blocks (3) are arranged on four sides of the die core of the rear die (2) respectively and can slide towards the direction of the die cavity;
The base columns (4) are arranged on four sides of the die core of the front die (1), the bottom ends of the base columns are inclined away from the center direction of the rear die (2) and extend into the corresponding sliding blocks (3) respectively, and when the front die (1) and the rear die (2) are separated, the four sliding blocks (3) are driven to slide towards the outer side of the die cavity at the same time so as to control the packing force of a rubber iron product;
The ejector pin (5) is arranged in the rear die (2) and can move upwards towards the die cavity direction, and the ejector pin is ejected out after the rubber iron product is solidified and formed.
2. The sliding block type ejection structure of the integrated injection mold of rubber and iron according to claim 1, wherein at least six base columns (4) are arranged, two base columns (4) are respectively arranged on the left side and the right side of a mold core of the rear mold (2), and the other four base columns (4) are respectively arranged on the front side and the rear side of the mold core of the rear mold (2) in a pair-by-pair mode.
3. The sliding block type ejection structure of the integrated injection mold of rubber iron as set forth in claim 2, wherein two sliding blocks (3) located on the long sides of the rubber iron product, namely on the front side and the rear side of a mold core of a rear mold (2), are lengthened, base holes (6) into which base columns (4) can be inserted are formed in the top of each sliding block (3), and two base holes (6) located on the sliding blocks (3) on the front side and the rear side of the mold core of the rear mold (2) are formed in number.
4. The sliding block type ejection structure of the integrated injection mold of the rubber iron, as set forth in claim 1, is characterized in that a plurality of ejector pins (5) are arranged and evenly distributed at intervals along the rear edge and the left and right side edges of the rubber iron product.
5. The sliding block type ejection structure of the integrated injection mold of the rubber iron, as set forth in claim 1, is characterized in that the cross section of the bottom of each thimble (5) is in a convex shape, and the top of each thimble is in a flat shape.
6. The sliding block type ejection structure of the integrated injection mold of rubber and iron as set forth in claim 4, wherein the bottom of the mold core of the rear mold (2) is provided with an ejector plate (7) for pushing the ejector pins (5) to eject upwards.
7. The sliding block type ejection structure of the integrated injection mold of rubber and iron according to claim 6, wherein the thimble plate (7) comprises an upper top plate (8) and a lower top plate (9) positioned below the upper top plate (8), and the bottom end of each thimble (5) passes through the upper top plate (8) to be in contact with the top surface of the lower top plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420250670.8U CN222245939U (en) | 2024-02-01 | 2024-02-01 | Sliding block type ejection structure of integrated injection mold of rubber and iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420250670.8U CN222245939U (en) | 2024-02-01 | 2024-02-01 | Sliding block type ejection structure of integrated injection mold of rubber and iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222245939U true CN222245939U (en) | 2024-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420250670.8U Active CN222245939U (en) | 2024-02-01 | 2024-02-01 | Sliding block type ejection structure of integrated injection mold of rubber and iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222245939U (en) |
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- 2024-02-01 CN CN202420250670.8U patent/CN222245939U/en active Active
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