CN210211169U - Mold structure for one-step glue injection molding of encapsulated product containing core - Google Patents
Mold structure for one-step glue injection molding of encapsulated product containing core Download PDFInfo
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- CN210211169U CN210211169U CN201920605286.4U CN201920605286U CN210211169U CN 210211169 U CN210211169 U CN 210211169U CN 201920605286 U CN201920605286 U CN 201920605286U CN 210211169 U CN210211169 U CN 210211169U
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Abstract
The utility model provides a mold structure for one-time glue injection molding of a rubber-coated product containing a core, which comprises an upper mold and a lower mold, wherein a molding cavity for placing the core is formed between the upper mold and the lower mold; the top surface of the upper die is provided with a first guide hole which is communicated with the forming cavity, a first pressing piece is arranged in the first guide hole in a sliding manner, the shape of the first pressing piece is matched with that of the first guide hole, and the first pressing piece is driven by a first hydraulic cylinder to move up and down; a second guide hole is formed in the bottom surface of the lower die, the second guide hole is communicated with the forming cavity and corresponds to the first guide hole in position, a second pressing piece is arranged in the second guide hole in a sliding mode, the second pressing piece is matched with the second guide hole in shape and driven by a second hydraulic cylinder to move up and down, and the core is clamped and fixed by the first pressing piece and the second pressing piece which are opposite; the core injection molding machine is novel in structure, and can fix a core when a rubber-coated product containing the core is produced, so that one-time injection molding and rubber coating molding are realized, the production efficiency is improved, and the product quality is ensured.
Description
Technical Field
The utility model relates to a rubber coating product injection moulding mould field, more specifically relates to a mould structure is used to injecting glue shaping of rubber coating product that contains the core.
Background
In the MIM process, sometimes a hollow product filled with a core is produced; the difficulty of processing the product lies in that the core cannot be fixed in the injection molding process, and if the one-step forming processing is adopted, the problems of inconsistent encapsulation thickness and even missing easily occur; the existing mature processing mode is mainly divided into two steps of injection molding, wherein a shell with a side hole or a semi-open type is firstly formed by one-step injection molding, then a core is placed inside, and then secondary injection molding closing is carried out; the manufacturing and processing cost of the process is relatively high, two sets of dies are required and injection is performed twice respectively, the injection molding period of the product is long, and the secondary molded product is easy to separate and fall off at the joint position of the rubber coating position and cannot meet the products with various performance requirements.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that a rubber coating product of containing core injecting glue mould structure for one time is proposed, its novel structure can fix the core when the rubber coating product of containing the core in the production, realizes the rubber coating shaping of once moulding plastics, improves production efficiency, guarantees product quality.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a mold structure for one-time glue injection molding of a rubber-coated product containing a core, which comprises an upper mold and a lower mold, wherein a molding cavity for placing the core is formed between the upper mold and the lower mold; the top surface of the upper die is provided with a first guide hole, the first guide hole is communicated with the forming cavity, a first pressing piece is arranged in the first guide hole in a sliding mode, the shape of the first pressing piece is matched with that of the first guide hole, and the first pressing piece is driven by a first hydraulic cylinder to move up and down; the bottom surface of the lower die is provided with a second guide hole, the second guide hole is communicated with the forming cavity and corresponds to the first guide hole in position, a second pressing piece is arranged in the second guide hole in a sliding mode, the second pressing piece is matched with the second guide hole in shape and driven by a second hydraulic cylinder to move up and down, and the core is clamped and fixed by the first pressing piece and the second pressing piece which are opposite.
In the preferred technical solution of the present invention, an upper mold plate is disposed above the upper mold, a first placing cavity is disposed on the bottom surface of the upper mold plate corresponding to the upper mold, the upper mold is disposed in the first placing cavity, a first through hole is disposed on the bottom of the first placing cavity corresponding to the first guide hole, a first guide groove is disposed on the top surface of the upper mold plate, one end of the first guide groove is communicated with the first through hole, the other end of the first guide groove extends to the side wall of the upper mold plate, a first push rod is slidably disposed in the first guide groove, an inclined surface is disposed on the bottom surface of the first push rod near the first through hole, a first T-shaped groove is disposed on the inclined surface of the first push rod, and the first T-shaped groove is disposed along the inclined direction of the inclined surface; the top surface of the first pressing piece is provided with an inclined surface, a first sliding block is convexly arranged on the inclined surface of the first pressing piece corresponding to the first T-shaped groove, the shape of the first sliding block is matched with that of the first T-shaped groove, and the first sliding block is matched with the first T-shaped groove in a sliding clamping manner; one end, far away from the first through hole, of the first push rod is fixedly connected with a piston rod of the first hydraulic cylinder, and the first hydraulic cylinder is fixedly installed on the upper template;
a lower die plate is arranged below the lower die, a second placing cavity is concavely arranged on the top surface of the lower die plate corresponding to the lower die, the lower die is arranged in the second placing cavity, a second through hole is arranged at the bottom of the second placing cavity corresponding to the second guide hole, a second guide groove is arranged on the top surface of the lower die plate, one end of the second guide groove is communicated with the second through hole, the other end of the second guide groove extends to the side wall of the lower die plate, a second push rod is arranged in the second guide groove in a sliding mode, an inclined surface is arranged on the top surface of one end, close to the second through hole, of the second push rod, a second T-shaped groove is arranged on the inclined surface of the second push rod, and the second T-shaped groove is arranged along; the lower surface of the second pressing piece is provided with an inclined surface, a second sliding block is convexly arranged on the inclined surface of the second pressing piece corresponding to the second T-shaped groove, the shape of the second sliding block is matched with that of the second T-shaped groove, and the second sliding block is matched with the second T-shaped groove in a sliding clamping manner; one end, far away from the second through hole, of the second push rod is fixedly connected with a piston rod of the second hydraulic cylinder, and the second hydraulic cylinder is fixedly installed on the lower template.
The utility model has the advantages that:
the utility model provides a pair of mould structure is used in once injecting glue shaping of rubber coating product of interior core, its novel structure, first casting die and second casting die realize elevating movement under the drive of first pneumatic cylinder and second pneumatic cylinder respectively to the core to the shaping intracavity is fixed, does not influence its normal injecting glue action simultaneously, realizes once injecting plastics rubber coating shaping, can solve the core and lead to the inconsistent problem of rubber coating thickness because of the removal of moulding plastics emergence, and the improvement production efficiency, guarantee product quality.
Drawings
Fig. 1 is a schematic structural diagram of a mold structure for one-shot injection molding of a core-containing encapsulated product according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of the upper mold, the lower mold, the first pressing member, the second pressing member, the first hydraulic cylinder, the second hydraulic cylinder, the first push rod, and the second push rod provided in the embodiment of the present invention;
fig. 3 is a first perspective view of a three-dimensional structure of a first pressing member and a first pushing rod provided in an embodiment of the present invention;
fig. 4 is a second perspective view of the three-dimensional structure of the first pressing member and the first pushing rod provided in the embodiment of the present invention;
fig. 5 is a first perspective view of a three-dimensional structure of a second pressing member and a second pushing rod provided in an embodiment of the present invention;
fig. 6 is a second perspective view of a three-dimensional structure of the second pressing member and the second pushing rod according to an embodiment of the present invention.
In the figure:
100. an upper die; 110. a first guide hole; 200. a lower die; 210. a second guide hole; 300. a molding cavity; 400. a first pressing member; 410. a first slider; 500. a first hydraulic cylinder; 510. a first push rod; 520. a first T-shaped groove; 600. a second pressing member; 610. a second slider; 700. a second hydraulic cylinder; 710. a second push rod; 720. a second T-shaped groove; 800. mounting a template; 810. a first placing cavity; 820. a first through hole; 830. A first guide groove; 900. a lower template; 910. a second placing cavity; 920. a second through hole; 930. a second guide groove.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the embodiment of the present invention discloses a mold structure for one-step injection molding of a rubber-coated product containing a core, comprising an upper mold 100 and a lower mold 200, wherein a molding cavity 300 capable of placing the core is formed between the upper mold 100 and the lower mold 200; it should be noted that a first molding die is disposed on the bottom surface of the upper die 100, and a first flow channel and a first casting hole are disposed on the periphery of the first molding die; correspondingly, a second molding die is arranged on the top surface of the lower die 200, and a second runner and a second casting hole are arranged on the periphery of the second molding die;
a first guide hole 110 is formed in the top surface of the upper die 100, the first guide hole 110 is communicated with the forming cavity 300, a first pressing member 400 is slidably arranged in the first guide hole 110, the shape of the first pressing member 400 is matched with that of the first guide hole 110, and the first pressing member 400 is driven by a first hydraulic cylinder 500 to move up and down; the bottom surface of the lower mold 200 is provided with a second guide hole 210, the second guide hole 210 is communicated with the molding cavity 300, the second guide hole 210 corresponds to the first guide hole 110, a second pressing member 600 is slidably disposed in the second guide hole 210, the second pressing member 600 is adapted to the second guide hole 210 in shape, the second pressing member 600 is driven by a second hydraulic cylinder 700 to move up and down, and the core is clamped and fixed by the first pressing member 400 and the second pressing member 600 which are opposite to each other.
The mold structure for one-step glue injection molding of the core-containing rubber-coated product is novel in structure, the first pressing piece 400 and the second pressing piece 600 respectively realize lifting motion under the driving of the first hydraulic cylinder 500 and the second hydraulic cylinder 700, so that the core in the molding cavity 300 is fixed, the normal glue injection action is not influenced, one-step injection molding and rubber coating molding are realized, the problem of inconsistent rubber coating thickness caused by movement of the core due to injection molding can be solved, the production efficiency is improved, and the product quality is ensured; in practical use, the first hydraulic cylinder 500, the second hydraulic cylinder 700 and the external injection machine are electrically connected to a controller (not shown).
Further, an upper mold plate 800 is arranged above the upper mold 100, a first placing cavity 810 is concavely arranged on the bottom surface of the upper mold plate 800 corresponding to the upper mold 100, the upper mold 100 is arranged in the first placing cavity 810, a first through hole 820 is arranged at the bottom of the first placing cavity 810 corresponding to the first guide hole 110, a first guide groove 830 is arranged on the top surface of the upper mold plate 800, one end of the first guide groove 830 is communicated with the first through hole 820, the other end of the first guide groove 830 extends to the side wall of the upper mold plate 800, a first push rod 510 is slidably arranged in the first guide groove 830, as shown in fig. 3 and 4, an inclined surface is arranged on the bottom surface of one end of the first push rod 510 close to the first through hole 820, a first T-shaped groove 520 is arranged on the inclined surface of the first push rod 510, and the first T-shaped groove 520 is arranged along the inclined direction of the inclined; the top surface of the first pressing piece 400 is provided with an inclined surface, the inclined surface of the first pressing piece 400 is convexly provided with a first sliding block 410 corresponding to the first T-shaped groove 520, the shape of the first sliding block 410 is matched with that of the first T-shaped groove 520, and the first sliding block 410 is matched with the first T-shaped groove 520 in a sliding clamping manner; one end of the first push rod 510, which is far away from the first through hole 820, is fixedly connected with a piston rod of the first hydraulic cylinder 500, and the first hydraulic cylinder 500 is fixedly installed on the upper template 800;
a lower template 900 is arranged below the lower die 200, a second placing cavity 910 is concavely arranged on the top surface of the lower template 900 corresponding to the lower die 200, the lower die 200 is arranged in the second placing cavity 910, a second through hole 920 is arranged at the bottom of the second placing cavity 910 corresponding to the second guide hole 210, a second guide groove 930 is arranged on the top surface of the lower template 900, one end of the second guide groove 930 is communicated with the second through hole 920, the other end of the second guide groove extends to the side wall of the lower template 900, a second push rod 710 is slidably arranged in the second guide groove 930, as shown in fig. 5 and 6, an inclined surface is arranged on the top surface of one end, close to the second through hole 920, of the second push rod 710, a second T-shaped groove 720 is arranged on the inclined surface of the second push rod 710, and the second T-shaped groove 720 is arranged along the inclined direction of the inclined; the lower surface of the second pressing piece 600 is provided with an inclined surface, a second sliding block 610 is convexly arranged on the inclined surface of the second pressing piece 600 corresponding to the second T-shaped groove 720, the shape of the second sliding block 610 is matched with that of the second T-shaped groove 720, and the second sliding block 610 is matched with the second T-shaped groove 720 in a sliding clamping manner; one end of the second push rod 710, which is far away from the second through hole 920, is fixedly connected with a piston rod of the second hydraulic cylinder 700, and the second hydraulic cylinder 700 is fixedly mounted on the lower template 900; by adopting the lifting driving mechanism, the first air cylinder 500 and the second air cylinder 700 can be conveniently installed, the installation of driving parts of the upper template 800 and the lower template 900 is ingeniously avoided, and the occupied space is effectively reduced;
more specifically, when the utility model is used for encapsulating products, the core is arranged at a proper position of the second forming die, then the upper die 100 and the lower die 200 are closed, and the upper die plate 800 and the lower die plate 900 are buckled to form a complete injection molding die; when the press device works, the first hydraulic cylinder 500 drives the first pressing piece 400 to descend, the second hydraulic cylinder 700 drives the second pressing piece to ascend, and the first pressing piece 400 and the second pressing piece 600 clamp and fix the cores; then the injection machine is started, the melting material is injected into the molding cavity, and the melting material is coated on the outer wall of the core except the connection part between the core and the first casting die 400 and the second casting die 600; when the preset first time node is reached, the second hydraulic cylinder 700 is started to drive the second pressing piece 600 to descend to the preset position, and the injection machine still supplies materials at the moment, so that the filling of the vacant part at the bottom of the core is completed along with the flowing of the molten materials; then, when a preset second time node is reached, the first hydraulic cylinder 500 is started to drive the first pressing piece 400 to ascend to a preset position, the injection machine still supplies materials at the moment, the injection machine fills the vacant part at the top of the core along with the flowing of the molten materials, and the injection machine stops injecting the materials; and finally, cooling the die to cool and mold the product.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (2)
1. A mold structure for one-step injection molding of a rubber-coated product containing a core comprises an upper mold (100) and a lower mold (200), wherein a molding cavity (300) for placing the core is formed between the upper mold (100) and the lower mold (200); the method is characterized in that:
a first guide hole (110) is formed in the top surface of the upper die (100), the first guide hole (110) is communicated with the forming cavity (300), a first pressing piece (400) is arranged in the first guide hole (110) in a sliding mode, the shape of the first pressing piece (400) is matched with that of the first guide hole (110), and the first pressing piece (400) is driven by a first hydraulic cylinder (500) to move up and down; the bottom surface of the lower die (200) is provided with a second guide hole (210), the second guide hole (210) is communicated with the molding cavity (300), the second guide hole (210) corresponds to the first guide hole (110), a second pressing piece (600) is arranged in the second guide hole (210) in a sliding mode, the second pressing piece (600) is matched with the second guide hole (210) in shape, the second pressing piece (600) is driven by a second hydraulic cylinder (700) to move up and down, and the first pressing piece (400) and the second pressing piece (600) which are opposite to each other clamp and fix a core.
2. The mold structure for one-shot injection molding of the encapsulated product containing the core according to claim 1, wherein:
an upper template (800) is arranged above the upper die (100), a first placing cavity (810) is concavely arranged on the bottom surface of the upper template (800) corresponding to the upper die (100), the upper die (100) is arranged in the first placing cavity (810), the bottom of the first placing cavity (810) is provided with a first through hole (820) corresponding to the first guide hole (110), a first guide groove (830) is formed in the top surface of the upper template (800), one end of the first guide groove (830) is communicated with the first through hole (820), and the other end of the first guide groove (830) extends to the side wall of the upper template (800), a first push rod (510) is arranged in the first guide groove (830) in a sliding manner, an inclined surface is arranged on the bottom surface of one end, close to the first through hole (820), of the first push rod (510), a first T-shaped groove (520) is formed in the inclined surface of the first push rod (510), and the first T-shaped groove (520) is formed in the inclined direction of the inclined surface; the top surface of the first pressing piece (400) is provided with an inclined surface, a first sliding block (410) is convexly arranged on the inclined surface of the first pressing piece (400) corresponding to the first T-shaped groove (520), the shape of the first sliding block (410) is matched with that of the first T-shaped groove (520), and the first sliding block (410) is matched with the first T-shaped groove (520) in a sliding clamping manner; one end, far away from the first through hole (820), of the first push rod (510) is fixedly connected with a piston rod of the first hydraulic cylinder (500), and the first hydraulic cylinder (500) is fixedly installed on the upper template (800);
a lower template (900) is arranged below the lower die (200), a second placing cavity (910) is concavely arranged on the top surface of the lower template (900) corresponding to the lower die (200), the lower die (200) is arranged in the second placing cavity (910), a second through hole (920) is arranged at the bottom of the second placing cavity (910) corresponding to the second guide hole (210), a second guide groove (930) is formed in the top surface of the lower template (900), one end of the second guide groove (930) is communicated with the second through hole (920), the other end of the second guide groove (930) extends to the side wall of the lower template (900), a second push rod (710) is arranged in the second guide groove (930) in a sliding manner, the top surface of one end, close to the second through hole (920), of the second push rod (710) is provided with an inclined surface, a second T-shaped groove (720) is formed in the inclined surface of the second push rod (710), and the second T-shaped groove (720) is formed in the inclined direction of the inclined surface; an inclined plane is arranged on the lower surface of the second pressing piece (600), a second sliding block (610) is convexly arranged on the inclined plane of the second pressing piece (600) corresponding to the second T-shaped groove (720), the shape of the second sliding block (610) is matched with that of the second T-shaped groove (720), and the second sliding block (610) is matched with the second T-shaped groove (720) in a sliding clamping manner; one end, far away from the second through hole (920), of the second push rod (710) is fixedly connected with a piston rod of the second hydraulic cylinder (700), and the second hydraulic cylinder (700) is fixedly installed on the lower template (900).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605286.4U CN210211169U (en) | 2019-04-29 | 2019-04-29 | Mold structure for one-step glue injection molding of encapsulated product containing core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605286.4U CN210211169U (en) | 2019-04-29 | 2019-04-29 | Mold structure for one-step glue injection molding of encapsulated product containing core |
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| Publication Number | Publication Date |
|---|---|
| CN210211169U true CN210211169U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920605286.4U Active CN210211169U (en) | 2019-04-29 | 2019-04-29 | Mold structure for one-step glue injection molding of encapsulated product containing core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065203A (en) * | 2019-04-29 | 2019-07-30 | 深圳市富优驰科技有限公司 | A kind of injecting glue mold structure, molding of the encapsulated products including fuse |
-
2019
- 2019-04-29 CN CN201920605286.4U patent/CN210211169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065203A (en) * | 2019-04-29 | 2019-07-30 | 深圳市富优驰科技有限公司 | A kind of injecting glue mold structure, molding of the encapsulated products including fuse |
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Effective date of registration: 20220510 Address after: 201900 No. 3998, Panjing Road, Baoshan District, Shanghai Patentee after: FUTURE HIGH-TECH Co.,Ltd. Address before: 518000 workshop 1 and 3, zone a, xinfengze industrial plant, Shangnan East Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FUTURE TECHNOLOGY Co.,Ltd. |