CN217373094U - Secondary loose core mould device - Google Patents
Secondary loose core mould device Download PDFInfo
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- CN217373094U CN217373094U CN202123071479.2U CN202123071479U CN217373094U CN 217373094 U CN217373094 U CN 217373094U CN 202123071479 U CN202123071479 U CN 202123071479U CN 217373094 U CN217373094 U CN 217373094U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a secondary loose core die device, including die mechanism and two mechanisms of loosing core. The first core pulling mechanism comprises a first mold core, a first driving mechanism and a connecting portion, the first mold core is driven to slide through the first driving mechanism, the first mold core located at the first forming position extends into the mold cavity, and a concave-convex structure of a product is formed. The second core pulling mechanism comprises a second mold core, a second driving mechanism and a second sliding block, the second sliding block is connected to the connecting portion in a sliding mode, the second mold core penetrates through the first mold core and drives the second mold core to slide through the second driving mechanism, and the second mold core located at the second forming position extends into the mold cavity and forms a concave hole in the concave-convex structure. It has the following advantages: when the second core pulling mechanism pulls the core, the product can be positioned through the first mold core, so that the product movement is avoided, the product yield is improved, then, the first core pulling mechanism pulls the core, the friction force and the connecting force of the product and the mold core are reduced due to the fact that the first mold core pulls the core, and the product yield is further improved.
Description
Technical Field
The utility model relates to a plastics shaping spare part, forming method technical field especially relate to secondary loose core die device.
Background
Some prior art products, as shown in fig. 1 and 2, comprise a body 1; the main body 1 has a convex wall, the convex wall is provided with a first concave-convex structure 11, the first concave-convex structure 11 is further provided with a plurality of concave holes 12 in a concave manner, for example, concave holes are arranged on the end surface of the convex part in a concave manner; the lower end surface of the main body 1 is also provided with a second concave-convex structure 13 in a concave mode. When adopting the mould forming mode to produce this product, not only establish first concave-convex structure 11 but also establish a plurality of shrinkage pools 12 because of the convex wall, so need establish the mechanism of loosing core and loose core and just can realize the drawing of patterns, nevertheless loose core mechanism all adopts once to loose core in the current mould, and the connection of mould core and the interior product of die cavity is difficult for breaking away from in loosing core once, and product and die cavity can the running friction lead to the rejection rate to increase, consequently has the demand of further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a secondary loose core die device, it has overcome the not enough that die device exists among the background art.
The utility model provides an adopted technical scheme of its technical problem is: secondary loose core die set includes:
the mould mechanism is provided with a mould cavity;
the first core pulling mechanism comprises a first mold core, a first driving mechanism and a connecting part connected between the first driving mechanism and the first mold core, the first driving mechanism drives the first mold core to slide between a first forming position and a first core pulling position relative to the mold mechanism, and the first mold core positioned at the first forming position extends into the mold cavity and forms a concave-convex structure of a product;
and the second core pulling mechanism comprises a second mold core, a second driving mechanism and a second sliding block which is connected between the second driving mechanism and the second mold core in a connecting mode, the second sliding block is connected onto the connecting portion in a sliding mode, the second mold core penetrates through the first mold core and drives the second mold core to slide between a second forming position and a second core pulling position relative to the first mold core through the second driving mechanism, and the second mold core located at the second forming position extends into the mold cavity and forms a concave hole in the concave-convex structure.
In one embodiment: further comprising: and the ejector pin mechanism is connected with the mould mechanism and comprises a sliding seat and a first ejector pin connected with the sliding seat, and the first ejector pin extends into the mould cavity.
In one embodiment: the ejector pin mechanism further comprises a second ejector pin, the first ejector pin is fixedly installed on the sliding seat, the lower end of the second ejector pin can be rotatably connected to the sliding seat, and the second ejector pin extends into the die cavity.
In one embodiment: the mold mechanism includes an upper mold unit and a lower mold unit that are closed and form the mold cavity; the upper die unit comprises an upper die plate and an upper die, the upper die plate and the upper die can move relatively along the die closing and splitting directions, the first core pulling mechanism is installed on the upper die, the second driving mechanism comprises an inclined top fixedly arranged on the upper die plate and an inclined groove arranged on the second sliding block, and the inclined top and the inclined groove are in sliding fit and drive the second sliding block to slide to drive the second die core to loose core through the upper die plate and the upper die.
In one embodiment: the second mold core is fixedly arranged on a second slide block, and the sliding direction of the second slide block is vertical to the mold closing and separating directions.
In one embodiment: the mold mechanism includes an upper mold unit and a lower mold unit that are closed and form the mold cavity; the upper die unit comprises an upper die plate and an upper die, and the first core pulling mechanism is connected to the upper die; the first driving mechanism comprises a cylinder mechanism, the connecting part is fixedly connected between a piston of the cylinder mechanism and a first mold core, and the sliding direction of the first mold core and the mold closing and separating direction are vertically arranged.
In one embodiment: the second driving mechanism comprises an inclined top fixedly arranged on the upper template and a chute arranged on the first sliding block, the inclined top and the chute are in sliding fit, and the first sliding block is driven to slide by the upper template and the upper mold parting so as to drive the second mold core to loose core; the tail end of the connecting part is fixedly provided with a first sliding block, the first mold core is fixedly arranged on the first sliding block, the connecting part is also connected with a third sliding block positioned between the first sliding block and the second sliding block in a sliding manner, one end of the second mold core is fixedly connected with the second sliding block, the other end of the second mold core slides to penetrate through the third sliding block, the first sliding block and the first mold core, a limiting seat is fixedly arranged below the upper mold plate, and the limiting seat is inserted between the first sliding block and the third sliding block.
In one embodiment: when the first mold core is located at the first molding position and the second mold core is located at the second molding position, and when the first mold core is located at the first core pulling position and the second mold core is located at the second core pulling position, the second slide block and the third slide block are in contact with each other.
In one embodiment: the mold mechanism includes an upper mold unit and a lower mold unit that are closed and formed with the above-described mold cavity, the lower mold unit including a lower platen and a lower mold attached to the lower platen, the lower mold being provided with a mold core.
Compared with the background technology, the technical scheme has the following advantages:
the first driving mechanism drives the first mold core to slide between a first forming position and a first core-pulling position relative to the mold mechanism, and the first mold core positioned at the first forming position extends into the mold cavity and forms a concave-convex structure of a product; the second mold core passes through first mold core and drives the second mold core and slide between second shaping position and second position of loosing core relative to first mold core through second actuating mechanism, the second mold core that is located second shaping position stretches into the mold cavity and the shaping shrinkage pool on concave-convex structure, when the mechanism of loosing core of second, can fix a position the product through first mold core, in order to avoid the product activity, promote the product yields, afterwards, first mechanism of loosing core is loosed core, because of first mold core has loosed core the former therefore reduce frictional force and the connecting force of product and mold core again, further promote the product yields.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is one of the schematic perspective views of the product.
Fig. 2 is a second perspective view of the product.
Fig. 3 is a schematic front view of mold clamping in the mold apparatus according to the present embodiment.
Fig. 4 is a schematic core-pulling front view of a second core-pulling mechanism of the mold apparatus according to the embodiment.
Fig. 5 is one of schematic core-pulling front views of the first core-pulling mechanism of the mold apparatus according to the embodiment.
Fig. 6 is a second schematic core-pulling front view of the first core-pulling mechanism of the mold apparatus according to the present embodiment.
Fig. 7 is a schematic structural diagram of a core-pulling left side view of the first core-pulling mechanism of the mold apparatus according to the embodiment.
Fig. 8 is a schematic left-side view of the mold apparatus according to the present embodiment.
FIG. 9 is a second schematic diagram of the mold apparatus of this embodiment in a left side view.
Fig. 10 is a schematic structural view of the first and second core-pulling mechanisms of the mold apparatus according to the present embodiment.
Fig. 11 is a schematic perspective sectional view of the mold apparatus according to the present embodiment in the molding position of the first and second core-pulling mechanisms.
Fig. 12 is a schematic perspective cross-sectional view of a core pulling position at the second core pulling mechanism of the mold apparatus according to the present embodiment.
Fig. 13 is a schematic perspective cross-sectional view of a core pulling position at the first core pulling mechanism of the mold apparatus according to the present embodiment.
Detailed Description
Referring to fig. 1 and 2, the molded product includes a main body 1; the main body 1 has a convex wall, the convex wall is provided with a first concave-convex structure 11, the first concave-convex structure 11 is also provided with a plurality of concave holes 12 in a concave way, for example, concave holes 12 are arranged on the end surface of a convex column in a concave way; the lower end surface of the main body 1 is also provided with a second concave-convex structure 13 in a concave mode.
Referring to fig. 3 to 13, the secondary core-pulling mold device includes a mold mechanism 2, a first core-pulling mechanism 3, a second core-pulling mechanism 4, and an ejector pin mechanism 5.
The die mechanism 2 comprises an upper die unit and a lower die unit, the upper die unit comprises an upper die plate 21 and an upper die 22, the upper die plate 21 and the upper die 22 can move relatively along the die closing and separating directions, the lower die unit comprises a lower die plate 23 and a lower die 24, the lower die plate 23 and the lower die 24 are fixedly arranged together, a die cavity 25 is formed by a concave cavity of the upper die 22 and a concave cavity of the lower die 24 after die closing, and the lower die 24 is provided with a fixed die core.
The first core pulling mechanism 3 comprises a first mold core 31, a first driving mechanism 32 and a connecting part 33 which is connected between the first driving mechanism 32 and the first mold core 31, the first driving mechanism 32 drives the first mold core 31 to slide between a first forming position and a first core pulling position relative to the upper mold unit, and the first mold core 31 located at the first forming position extends into the mold cavity 25 and forms the first concave-convex structure 11 of the product 1. The second core pulling mechanism 4 includes a second mold core 41, a second driving mechanism, and a second slider 42 mounted between the second driving mechanism and the second mold core 41, the second slider 42 is slidably connected to the connecting portion 33, the second mold core 41 passes through the first mold core 31 and drives the second mold core 41 to slide between a second molding position and a second core pulling position relative to the first mold core 31 through the second driving mechanism, and the second mold core 41 located at the second molding position extends into the mold cavity 25 and forms a concave hole 12 on the first concave-convex structure 11. When the second core pulling mechanism pulls the core, the product 1 can be positioned through the first mold core, so that the movement of the product 1 is avoided, the product yield is improved, then, the first core pulling mechanism pulls the core, the friction force and the connecting force between the product and the mold core are reduced due to the fact that the first mold core is pulled, and the product yield is further improved.
In this embodiment: the first core pulling mechanism 3 is mounted on the upper die 22, the second driving mechanism comprises an inclined top 26 fixedly arranged on the upper die plate 21 and a chute 43 arranged on a second sliding block 42, the inclined top 26 is in sliding fit with the chute 43, the second sliding block 42 is driven to slide along the connecting part 33 through die separation of the upper die plate 21 and the upper die 22 so as to drive the second die core 41 to pull the core, the second die core 41 is fixedly mounted on the second sliding block 42, the sliding direction of the second sliding block 42 is perpendicular to the die closing and die separation directions, the second core pulling mechanism is driven to pull the core through die separation of the upper die plate 22 and the upper die plate 21, the driving mechanism is saved, and the structure is compact. The first driving mechanism 32 includes a cylinder mechanism, the connecting portion 33 is fixedly connected between a piston of the cylinder mechanism and the first mold core 31, and the sliding direction of the first mold core 31 is perpendicular to the mold closing and separating direction. The end of the connecting portion 33 is fixedly provided with a first slide block 34, the first mold core 31 is fixedly provided with the first slide block 34, the connecting portion 33 is further connected with a third slide block 35 positioned between the first slide block 34 and the second slide block 42 in a sliding manner, one end of the second mold core 41 is fixedly connected with the second slide block 42, the other end of the second mold core slides through the third slide block 35, the first slide block 34 and the first mold core 31, a limiting seat 27 is fixedly provided below the upper mold plate 21, and the limiting seat 27 is inserted between the first slide block 34 and the third slide block 35. Moreover, when the first mold core 31 is located at the first molding position and the second mold core 41 is located at the second molding position, the second slider 42 is in contact with the third slider 35, and the cavity between the first slider 34 and the third slider 35 is adapted to the limiting seat 27, and when the first mold core 31 is located at the first core pulling position and the second mold core 41 is located at the second core pulling position, the second slider 42 is in contact with the third slider 35.
The ejector pin mechanism 5 is connected to the lower die unit and comprises a sliding seat 51, a first ejector pin 52 and a second ejector pin 53 which are connected to the sliding seat 51, the first ejector pin 52 is fixedly mounted on the sliding seat 51, the lower end of the second ejector pin 53 can be rotatably connected to the sliding seat 51, the first ejector pin and the second ejector pin extend into the die cavity, the first ejector pin and the second ejector pin are matched with the die fixing core to form a second concave-convex structure, the two ejector pins can enhance the positioning of the product 1 when the second core pulling mechanism pulls the core, and the product can be ejected out after die parting.
The production method of the secondary core-pulling mold device comprises the following steps:
and 6, ejecting the product in the mold cavity through an ejector pin mechanism.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (9)
1. Secondary loose core die device includes:
the mould mechanism is provided with a mould cavity;
the method is characterized in that: further comprising:
the first core pulling mechanism comprises a first mold core, a first driving mechanism and a connecting part connected between the first driving mechanism and the first mold core, the first driving mechanism drives the first mold core to slide between a first forming position and a first core pulling position relative to the mold mechanism, and the first mold core positioned at the first forming position extends into the mold cavity and forms a concave-convex structure of a product;
and the second core pulling mechanism comprises a second mold core, a second driving mechanism and a second sliding block which is connected between the second driving mechanism and the second mold core, the second sliding block is connected on the connecting part in a sliding manner, the second mold core penetrates through the first mold core and drives the second mold core to slide between a second forming position and a second core pulling position relative to the first mold core through the second driving mechanism, and the second mold core positioned at the second forming position extends into the mold cavity and forms a concave hole on the concave-convex structure.
2. The secondary core pulling mold device according to claim 1, wherein: further comprising:
and the ejector pin mechanism is connected to the die mechanism and comprises a sliding seat and a first ejector pin connected to the sliding seat, and the first ejector pin extends into the die cavity.
3. The secondary core pulling mold device according to claim 2, wherein: the ejector pin mechanism further comprises a second ejector pin, the first ejector pin is fixedly arranged on the sliding seat, the lower end of the second ejector pin can be rotatably connected to the sliding seat, and the second ejector pin extends into the die cavity.
4. The secondary core pulling mold device according to claim 1, wherein: the mold mechanism includes an upper mold unit and a lower mold unit that are closed and form the mold cavity; the upper die unit comprises an upper die plate and an upper die, the upper die plate and the upper die can move relatively along the die closing and splitting directions, the first core pulling mechanism is installed on the upper die, the second driving mechanism comprises an inclined top fixedly arranged on the upper die plate and an inclined groove arranged on the second sliding block, and the inclined top and the inclined groove are in sliding fit and drive the second sliding block to slide to drive the second die core to loose core through the upper die plate and the upper die.
5. The secondary core pulling mold device according to claim 4, wherein: the second mold core is fixedly arranged on a second slide block, and the sliding direction of the second slide block is vertical to the mold closing and separating directions.
6. The secondary core pulling mold device according to claim 1, wherein: the mold mechanism includes an upper mold unit and a lower mold unit that are closed and form the mold cavity; the upper die unit comprises an upper die plate and an upper die, and the first core pulling mechanism is arranged on the upper die; the first driving mechanism comprises a cylinder mechanism, the connecting part is fixedly connected between a piston of the cylinder mechanism and a first mold core, and the sliding direction of the first mold core and the mold closing and separating direction are vertically arranged.
7. The secondary core pulling mold device according to claim 6, wherein: the second driving mechanism comprises an inclined top fixedly arranged on the upper template and a chute arranged on the first sliding block, the inclined top and the chute are in sliding fit, and the first sliding block is driven to slide by the upper template and the upper mold parting so as to drive the second mold core to loose core; the tail end of the connecting part is fixedly provided with a first sliding block, the first mold core is fixedly arranged on the first sliding block, the connecting part is further connected with a third sliding block positioned between the first sliding block and the second sliding block in a sliding mode, one end of the second mold core is fixedly connected to the second sliding block, the other end of the second mold core penetrates through the third sliding block, the first sliding block and the first mold core in a sliding mode, a limiting seat is fixedly arranged below the upper mold plate, and the limiting seat is inserted between the first sliding block and the third sliding block.
8. The secondary core pulling mold device according to claim 7, wherein: when the first mold core is located at the first molding position and the second mold core is located at the second molding position, and when the first mold core is located at the first core pulling position and the second mold core is located at the second core pulling position, the second slide block and the third slide block are in contact with each other.
9. The secondary core pulling mold device according to claim 1, wherein: the mold mechanism includes an upper mold unit and a lower mold unit that are closed and formed with the above-described mold cavity, the lower mold unit including a lower platen and a lower mold attached to the lower platen, the lower mold being provided with a mold core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123071479.2U CN217373094U (en) | 2021-12-08 | 2021-12-08 | Secondary loose core mould device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123071479.2U CN217373094U (en) | 2021-12-08 | 2021-12-08 | Secondary loose core mould device |
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| CN217373094U true CN217373094U (en) | 2022-09-06 |
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| CN202123071479.2U Active CN217373094U (en) | 2021-12-08 | 2021-12-08 | Secondary loose core mould device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274425A (en) * | 2021-12-08 | 2022-04-05 | 厦门华盛弘精密模具有限公司 | Secondary core-pulling mold device and production method thereof |
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2021
- 2021-12-08 CN CN202123071479.2U patent/CN217373094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274425A (en) * | 2021-12-08 | 2022-04-05 | 厦门华盛弘精密模具有限公司 | Secondary core-pulling mold device and production method thereof |
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