CN214820424U - Set top box mold with time delay annular cooling structure - Google Patents
Set top box mold with time delay annular cooling structure Download PDFInfo
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- CN214820424U CN214820424U CN202120685748.5U CN202120685748U CN214820424U CN 214820424 U CN214820424 U CN 214820424U CN 202120685748 U CN202120685748 U CN 202120685748U CN 214820424 U CN214820424 U CN 214820424U
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Abstract
The utility model discloses a STB mould with time delay annular cooling structure, this STB mould are equipped with the structure of loosing core, including last mould, lower mould, the lower mould has the water-cooling system, and the water-cooling system has the double flow channel system of symmetric distribution, and the double flow channel system includes ring channel, straight flute, heat exchange device and a plurality of connecting pipe. A plurality of jacks are arranged in a ring array along the annular groove, and the bottom surfaces of the jacks are provided with screw holes; the outer end of the straight groove penetrates through the side surface of the lower die; each heat exchanger is provided with a water inlet joint and a water outlet joint, and the inner cavity of each heat exchanger is provided with a plurality of layers of water flow channels so as to prolong the flowing length of cooling water; a plurality of heat exchanger pieces are connected to form a waterway structure in series connection, and a waterway in the annular groove is divided into two non-intersecting semicircular waterways. The utility model discloses a two opposite runner systems make the cooling water heat absorption even, and then make the heat dissipation of lower mould even. Two opposite runner systems business turn over water simultaneously, improve the radiating efficiency of lower mould.
Description
Technical Field
The utility model relates to a mould, specific saying so relates to a STB mould with time delay annular cooling structure.
Background
The set top box die can be cooled by air, water channels, an ice water machine and the like according to the product requirements. The temperature of the set-top box mold directly affects the molding quality and production efficiency of the plastic part. A temperature regulation system needs to be added to the mold to achieve the desired temperature requirements. The temperature adjusting system may be classified into a cooling system and a heating system according to different situations.
a. The fluctuation of the temperature of the die has great influence on the shrinkage rate, the dimensional stability, the deformation, the stress cracking, the surface quality and the like of the product.
b. The effect of the mold temperature on the molding cycle was compared to the cooling time, which accounted for approximately 80% of the molding cycle.
The cooling system design principle is as well as rapid cooling, uniform cooling and simple processing.
Waterway cooling is a common efficient cooling mode, but the traditional waterway cooling is uneven and low in efficiency.
SUMMERY OF THE UTILITY MODEL
To the not enough among the prior art, the to-be-solved technical problem of the utility model lies in providing a set top box mould with time delay annular cooling structure, the purpose of designing this set top box mould is to improve cooling efficiency, and the cooling is even.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a STB mould with time delay annular cooling structure, this STB mould are equipped with the structure of loosing core, including last mould, lower mould, the lower mould has water-cooling heat dissipation system, water-cooling heat dissipation system has the double flow channel system of symmetric distribution, double flow channel system includes:
the annular groove is arranged on the bottom surface of the lower die, a plurality of jacks are annularly arranged along the annular groove, and the bottom surfaces of the jacks are provided with screw holes;
the two straight grooves are symmetrically distributed on two sides of the annular groove and are communicated with the annular groove, and the outer ends of the straight grooves penetrate through the side face of the lower die;
the heat exchanger is inserted and screwed in the jack, each heat exchanger is provided with a water inlet joint and a water outlet joint, and the inner cavity of the heat exchanger is provided with a plurality of layers of water flow channels so as to prolong the flowing length of cooling water;
a plurality of connecting pipes, with a plurality of heat exchanger spare connection make a plurality of heat exchanger spare form the waterway structure of establishing ties, be in the water route in the ring channel divide into two non-intersect semicircle water routes, and the both ends in one of them semicircle water route are connected with first straight tube respectively, and the both ends in another semicircle water route are connected with the second straight tube respectively, first straight tube and second straight tube all inlay and locate in the straight flute, the outer end of two first straight tubes, two second straight tubes all is connected with the quick-operation joint.
Furthermore, cover plates are covered on the annular groove and the notch of the straight groove.
Further, the heat exchanger element comprises a runner pipe and a water guide pipe;
the runner pipe is in threaded connection with the threaded hole, a plurality of water inlet holes are annularly arranged on the outer wall of the runner pipe close to the threaded hole, a water outlet port is arranged at one end of the runner pipe far away from the threaded hole, and a gap is arranged between the outer wall of the runner pipe and the inner wall of the insertion hole to form a first water passing runner;
the water guide pipe is inserted into the water outlet port and is arranged inside the runner pipe, the inner end of the water guide pipe extends towards the pipe bottom of the runner pipe, a gap is reserved between the inner wall of the runner pipe and the outer wall of the water guide pipe, and a second water passing flow channel is formed between the outer wall of the water guide pipe and the inner wall of the runner pipe.
Furthermore, the mouth of the jack is provided with a step groove, a pipe plug is arranged at the step groove, and the pipe plug is provided with a water inlet bent pipe and a water outlet bent pipe.
Furthermore, the inner end of the water inlet bent pipe extends to the first water flowing channel, the outer end of the water inlet bent pipe is connected with the first straight pipe or the connecting pipe, the inner end of the water outlet bent pipe is connected with the water guide pipe, and the outer end of the water outlet bent pipe is connected with the first straight pipe or the connecting pipe.
Furthermore, the core pulling structure comprises a left core pulling mechanism and a right core pulling mechanism which are symmetrical with the forming cavity.
Furthermore, the left core-pulling mechanism and the right core-pulling mechanism comprise inclined guide pillars arranged on the upper die and a slide block arranged on the lower die, the two inclined guide pillars are inclined downwards and are outwards arranged on the left side and the right side of the nozzle, the slide block is provided with inclined pin holes matched with the inclined guide pillars and transverse guide holes arranged at the lower part of the slide block, the transverse guide holes are sleeved with transverse guide pillars, and the transverse guide pillars are sleeved with compression springs;
one end of the transverse guide pillar is fixed to the bottom surface of a side groove, the side groove is formed in the outer side wall of the lower die forming portion, one end of the compression spring abuts against the bottom surface of the side groove, and the other end of the compression spring abuts against the side wall of the sliding block.
Furthermore, the slide block is driven by the inclined guide post to compress the compression spring, and the depth of the side groove is enough to accommodate the compressed length of the compression spring.
Furthermore, the upper end surface of the upper die is connected with an upper die mounting plate.
Furthermore, a lower die mounting plate is mounted on the lower end surface of the lower die, and an air cylinder ejection assembly is arranged on the lower die mounting plate and comprises an air cylinder and an ejector pin connected to an air cylinder driving part.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a STB mould is equipped with the water-cooling system, and the water-cooling system is provided with double flow channel system, and double flow channel system's the opposite direction that intakes, two opposite runner systems make the cooling water heat absorption even, and then make the heat dissipation of lower mould even. Two opposite runner systems business turn over water simultaneously, improve the radiating efficiency of lower mould.
Drawings
Fig. 1 is the overall structure schematic diagram of the set-top box mold of the present invention.
Fig. 2 is the utility model discloses core pulling structure schematic diagram of STB mould.
Fig. 3 is a schematic structural view of a double flow channel system installed on the bottom surface of the lower mold of the present invention.
Fig. 4 is a schematic structural view of the heat exchanging device of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
referring to fig. 1-4, the set top box mold with a delayed annular cooling structure of the present invention is provided with a core pulling structure, and includes an upper mold 200 and a lower mold 300, wherein the lower mold has a water cooling system 3, the water cooling system 3 has a symmetrical dual flow channel system, and the dual flow channel system includes:
the annular groove 301 is arranged on the bottom surface of the lower die 300, a plurality of jacks 302 are annularly arranged along the annular groove 301, and the bottom surfaces of the jacks 302 are provided with screw holes;
two straight grooves 304 symmetrically distributed on two sides of the annular groove 301 and communicated with the annular groove 301, wherein the outer ends of the straight grooves 304 penetrate through the side surface of the lower die 300;
heat exchange devices inserted and screwed in the insertion holes 302, each heat exchange device is provided with a water inlet connector and a water outlet connector, and the inner cavity of each heat exchange device is provided with a plurality of layers of water flow channels so as to prolong the flowing length of cooling water;
a plurality of connecting pipes 303, connect a plurality of heat exchanger spare and make a plurality of heat exchanger spare form the waterway structure of establishing ties, are in the water route in the ring channel 301 divides into two non-intersect semicircle water routes, and the both ends in one of them semicircle water route are connected with first straight tube 305 respectively, and the both ends in another semicircle water route are connected with second straight tube 307 respectively, first straight tube 305 and second straight tube 307 all inlay and locate in the straight flute 304, the outer end of two first straight tubes 305, two second straight tubes 307 all is connected with quick-operation joint 306.
A preferred technical solution of this embodiment: the notches of the annular groove 301 and the straight groove 304 are covered with cover plates.
A preferred technical solution of this embodiment: the heat exchanger comprises a runner pipe 32 and a water guide pipe 31;
the runner pipe 32 is screwed with the screw hole, a plurality of water inlet holes 33 are annularly arranged on the outer wall of the runner pipe close to the screw hole, a water outlet port is arranged at one end of the runner pipe far away from the screw hole, and a gap is arranged between the outer wall of the runner pipe 32 and the inner wall of the jack 302 to form a first water passing runner;
the water guide pipe 31 is inserted into the water outlet port and is disposed inside the runner pipe 32, an inner end of the water guide pipe extends to the bottom of the runner pipe 32 with a gap, and a second water flow channel is formed between the outer wall of the water guide pipe 31 and the inner wall of the runner pipe 32.
A preferred technical solution of this embodiment: the mouth of the insertion hole 302 has a stepped groove, a plug 35 is disposed at the stepped groove, and the plug 35 has a water inlet elbow 34 and a water outlet elbow 36.
A preferred technical solution of this embodiment: the inner end of the water inlet bent pipe 34 extends to the first water flowing channel, the outer end of the water inlet bent pipe is connected with the first straight pipe 305 or the connecting pipe 303, the inner end of the water outlet bent pipe 36 is connected with the water guide pipe 31, and the outer end of the water outlet bent pipe is connected with the first straight pipe 305 or the connecting pipe 303.
A preferred technical solution of this embodiment: the core pulling structure comprises a left core pulling mechanism and a right core pulling mechanism which are symmetrical through a forming cavity.
A preferred technical solution of this embodiment: the left core-pulling mechanism and the right core-pulling mechanism comprise inclined guide posts 10 arranged on the upper die 200 and a slide block 9 arranged on the lower die 300, the two inclined guide posts 10 are obliquely downwards and outwards arranged on the left side and the right side of the nozzle, the slide block 9 is provided with inclined pin holes 8 matched with the inclined guide posts 10 and transverse guide holes arranged at the lower part of the slide block 9, the transverse guide holes are sleeved with transverse guide posts 4, and the transverse guide posts 4 are sleeved with compression springs 11;
one end of the transverse guide post 4 is fixed on the bottom surface of a side groove 12, the side groove 12 is arranged on the outer side wall of the lower die forming part, one end of the compression spring 11 is abutted against the bottom surface of the side groove 12, and the other end of the compression spring is abutted against the side wall of the sliding block.
A preferred technical solution of this embodiment: the slider 9 is driven by the angle guide 10 to compress the compression spring 11, and the depth of the side groove 12 is sufficient to accommodate the compressed length of the compression spring 11.
A preferred technical solution of this embodiment: the upper end surface of the upper die 200 is connected with an upper die mounting plate 5.
A preferred technical solution of this embodiment: the lower end face of the lower die is provided with a lower die mounting plate 2, an air cylinder ejection assembly 13 is arranged on the lower die mounting plate 2, and the air cylinder ejection assembly comprises an air cylinder and an ejector pin connected to an air cylinder driving part.
Example 2:
as shown in fig. 3-4, taking the upper semi-circle water path in fig. 3 as an example, the cooling water enters from the left water inlet joint in fig. 3, and then enters the first straight pipe 305 on the left side in fig. 3, and then enters the water inlet elbow 34 of the first heat exchanging device and is guided into the first water flow channel by the water inlet elbow 34.
The first water flowing channel is an annular cavity, cooling water enters the first water flowing channel and rises, and the cooling water is fully contacted with the inner wall of the jack 302 to absorb heat conducted by the lower die.
The cooling water reaches the top of the runner pipe 32 and enters the inner cavity of the runner pipe 32 from the water inlet hole 33, the cooling water enters the second water passing flow channel and continues to receive the heat conducted from the first water passing flow channel, and after reaching the top of the water guide pipe 31, the cooling water enters the inner cavity of the water guide pipe 31 from the bevel opening at the top end of the water guide pipe 31.
Finally, the cooling water after heat absorption flows out from the water outlet elbow 36 and enters the connecting pipe.
After passing through a plurality of heat exchange devices, the cooling water is led out from the first straight pipe 305 on the right side in fig. 3 to the water outlet joint on the right side.
The water feeding direction of the lower semicircle in the figure 3 is opposite to that of the upper semicircle in the figure 3, and the two opposite water feeding directions can ensure that the heat dissipation of the molding cavity is uniform.
Two dual-flow heat dissipation systems improve heat dissipation efficiency.
Example 3: the utility model discloses a loose core structure of STB mould is provided with two line positions and looses core, and the spring of this structure of loosing core is compression spring, and when the slider resets, compression spring backs down the slider, and this kind of design can reduce the volume of mould. When the mold is closed, the upper mold moves downwards, the inclined guide post 10 is inserted into the inclined pin hole and drives the slide block to move towards the molding cavity, the compression spring is compressed towards the side groove again under pressure, when the slide block is tightly attached to the side edge of the molding cavity, the compression spring is contained in the side groove, and the injection molding nozzle 100 injects plastic. When the mold is opened, the upper mold moves upwards, the inclined guide post 10 and the compression spring push the slide block open together, the air cylinder drives the ejector pin to push out an injection molding product in the molding cavity, and the compression spring is recovered.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. The utility model provides a set-top box mould with time delay annular cooling structure, this set-top box mould is equipped with the structure of loosing core, includes mould (200), lower mould (300), the lower mould has water-cooling system (3), its characterized in that, water-cooling system (3) have the double flow system of symmetric distribution, double flow system includes:
the annular groove (301) is arranged on the bottom surface of the lower die (300), a plurality of insertion holes (302) are arranged in an annular array along the annular groove (301), and the bottom surfaces of the insertion holes (302) are provided with screw connection holes;
the two straight grooves (304) are symmetrically distributed on two sides of the annular groove (301) and communicated with the annular groove (301), and the outer ends of the straight grooves (304) penetrate through the side face of the lower die (300);
the heat exchange devices are inserted and screwed in the jacks (302), each heat exchange device is provided with a water inlet connector and a water outlet connector, and the inner cavity of each heat exchange device is provided with a plurality of layers of water flow channels so as to prolong the flowing length of cooling water;
a plurality of connecting pipes (303), connect a plurality of heat exchanger spare and make a plurality of heat exchanger spare form the waterway structure of establishing ties, be in the water route in ring channel (301) divide into two non-intersect semicircle water routes, and the both ends in one of them semicircle water route are connected with first straight tube (305) respectively, and the both ends in another semicircle water route are connected with second straight tube (307) respectively, first straight tube (305) and second straight tube (307) all inlay and locate in straight flute (304), the outer end of two first straight tubes (305), two second straight tubes (307) all is connected with quick-operation joint (306).
2. The set-top box mold with delayed annular cooling structure of claim 1, wherein the notches of said annular groove (301) and said straight groove (304) are covered with cover plates.
3. The set-top box mold with the delayed ring cooling structure as claimed in claim 1, wherein said heat exchanging means comprises a runner duct (32), a water guiding duct (31);
the runner pipe (32) is in threaded connection with the threaded hole, a plurality of water inlet holes (33) are annularly arranged on the outer wall of the runner pipe close to the threaded hole, a water outlet port is arranged at one end of the runner pipe far away from the threaded hole, and a gap is arranged between the outer wall of the runner pipe (32) and the inner wall of the insertion hole (302) to form a first water passing runner;
the water guide pipe (31) is inserted into the water outlet interface and is arranged inside the runner pipe (32), the inner end of the water guide pipe extends to the bottom of the runner pipe (32) and a gap is reserved, and a second water passing flow channel is formed between the outer wall of the water guide pipe (31) and the inner wall of the runner pipe (32).
4. A set-top box mold with delayed annular cooling structure according to claim 3, characterized in that the mouth of the jack (302) has a stepped groove where a pipe plug (35) is arranged, the pipe plug (35) having a water inlet elbow (34) and a water outlet elbow (36).
5. The set-top box mold with the delayed ring cooling structure as claimed in claim 4, wherein the inner end of the water inlet elbow (34) extends to the first water flow channel, and the outer end thereof is connected to the first straight pipe (305) or the connecting pipe (303), the inner end of the water outlet elbow (36) is connected to the water conduit (31), and the outer end thereof is connected to the first straight pipe (305) or the connecting pipe (303).
6. The mold set-top box with delayed annular cooling structure of claim 1, wherein the core pulling structure comprises a left core pulling mechanism and a right core pulling mechanism symmetric with the molding cavity.
7. The set top box mold with the delayed ring cooling structure according to claim 6, wherein the left core-pulling mechanism and the right core-pulling mechanism comprise an inclined guide post (10) arranged on the upper mold (200) and a slide block (9) arranged on the lower mold (300), the two inclined guide posts (10) are inclined downwards and are outwardly distributed at the left side and the right side of the nozzle, the slide block (9) is provided with an inclined pin hole (8) matched with the inclined guide post (10) and a transverse guide hole arranged at the lower part of the slide block (9), a transverse guide post (4) is sleeved on the transverse guide hole, and a compression spring (11) is sleeved on the transverse guide post (4);
one end of the transverse guide post (4) is fixed on the bottom surface of a side groove (12), the side groove (12) is formed in the outer side wall of the lower die forming part, one end of the compression spring (11) abuts against the bottom surface of the side groove (12), and the other end of the compression spring abuts against the side wall of the sliding block.
8. The mold set-top box with delayed annular cooling structure according to claim 7, wherein said slider (9) is driven by the inclined guide post (10) to compress the compression spring (11), and said side groove (12) has a depth sufficient to accommodate the compressed length of the compression spring (11).
9. A set-top box mold having a delayed ring cooling configuration as claimed in claim 7, wherein: the upper end surface of the upper die (200) is connected with an upper die mounting plate (5).
10. A set-top box mold having a delayed ring cooling configuration as claimed in claim 7, wherein: the lower die is characterized in that a lower die mounting plate (2) is mounted on the lower end face of the lower die, an air cylinder ejection assembly (13) is arranged on the lower die mounting plate (2), and the air cylinder ejection assembly comprises an air cylinder and an ejector pin connected to an air cylinder driving portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120685748.5U CN214820424U (en) | 2021-04-06 | 2021-04-06 | Set top box mold with time delay annular cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120685748.5U CN214820424U (en) | 2021-04-06 | 2021-04-06 | Set top box mold with time delay annular cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214820424U true CN214820424U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120685748.5U Active CN214820424U (en) | 2021-04-06 | 2021-04-06 | Set top box mold with time delay annular cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214820424U (en) |
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2021
- 2021-04-06 CN CN202120685748.5U patent/CN214820424U/en active Active
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