CN107199657B - Demoulding ejector rod of heating radiator and forming mould thereof - Google Patents
Demoulding ejector rod of heating radiator and forming mould thereof Download PDFInfo
- Publication number
- CN107199657B CN107199657B CN201710457934.1A CN201710457934A CN107199657B CN 107199657 B CN107199657 B CN 107199657B CN 201710457934 A CN201710457934 A CN 201710457934A CN 107199657 B CN107199657 B CN 107199657B
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- die
- connecting part
- radiator
- die core
- fan
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/76—Cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Central Heating Systems (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a forming die of a heating radiator, which comprises an upper die and a lower die, wherein a cavity for forming the heating radiator is formed between the upper die and the lower die, the upper die and the lower die are respectively provided with a first die core extending into a cavity forming connecting port, one side of the lower die is provided with a second die core extending into the cavity forming heat source circulating water flow pipeline, the second die core penetrates through the upper first die core and the lower first die core, the outer peripheral surfaces of the second die core are in gapless contact connection with the first die cores, two ejecting pieces are symmetrically arranged on the periphery of the first die core positioned on the lower die, each ejecting piece comprises an upper end part, a first connecting part, a second connecting part and a bottom part which are sequentially connected, the cross section of the upper end part is of a fan-shaped structure equal to the wall thickness of the heating radiator connecting port, the cross section of the first connecting part is of a fan-shaped structure, the wall thickness of the second connecting part is larger than that of the first connecting part.
Description
Technical Field
The invention relates to the field of forming molds, in particular to a demoulding ejector rod of a heating radiator and a forming mold thereof.
Background
Along with the development of society and the improvement of science and technology, the living standard and the quality of life have both been improved, and the house condition is also better, especially in the north, when cold weather in winter, the indoor of family has the heating heat abstractor, guarantees indoor temperature.
The existing heating and radiating device comprises a plurality of radiators, and the structure of the radiators is shown in figure 1: the heating radiators are provided with connecting ports 10 used for connecting the adjacent heating radiators, each connecting port 10 comprises a head connecting port 11 and a tail connecting port 12, a heat source circulating water flow pipeline 13 is arranged in each heating radiator, two ends of each heat source circulating water flow pipeline 13 are communicated with the head connecting ports 11 and the tail connecting ports 12 to form closed water circulation, cooling blades 14 are arranged on the surfaces of the heat source circulating water flow pipelines, and the cooling fins transmit the heat inside to the outside of the heating and cooling device through heat transfer.
In order to achieve the purposes of low material consumption and good heat dissipation effect of the heating radiator, the wall thicknesses of a heat source circulating water flow pipeline and a connecting port of the heating radiator are required to be as small as possible. The wall thickness is designed to be not more than 4mm, so that a better heat dissipation effect is realized. However, in the process of producing the radiator, the ejector rod is required to be arranged to act on the connecting port when the formed radiator is successfully demoulded. However, because the wall thickness of the connecting port is too small, the traditional ejector rod structure adapting to the wall thickness of the connecting port is adopted, the connecting port is easy to break in the ejection process, and the radiator cannot be successfully ejected.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a demoulding ejector rod of a heating radiator and a forming mould thereof, wherein the ejector rod is designed in a structure, is suitable for a connecting port of the heating radiator, has structural strength and can successfully eject the formed heating radiator. And the application of the ejector rod in the radiator forming die.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a drawing of patterns ejector pin of radiator, includes the liftout piece, the liftout piece including upper end, first connecting portion, second connecting portion and the bottom that links up in proper order, the upper end cross section be the fan ring structure that equals along the wall thickness of mouth department with the radiator connector, the cross section of first connecting portion is greater than the upper end for fan ring structure and its wall thickness, second connecting portion be class fan ring structure and its wall thickness is greater than first connecting portion, the bottom be class fan-shaped massive structure.
Further preferred embodiments of the present invention: the upper end part is used for connecting a heating radiator connector, the bottom part is connected with a power device, and the power device drives an ejection part to act on the heating radiator.
Further preferred embodiments of the present invention: the structure of the upper end part is matched with that of the connecting port of the heating radiator, the inner diameter of the upper end part is equal to that of the connecting port of the heating radiator, and the outer diameter of the upper end part is equal to that of the connecting port of the heating radiator.
Further preferred embodiments of the invention: the inner diameter of the first connecting part is equal to that of the upper end part, and the outer diameter of the first connecting part is larger than that of the upper end part.
Further preferred embodiments of the invention: the outer diameter of the second connecting part is equal to that of the first connecting part, and the inner diameter of the second connecting part is smaller than that of the first connecting part.
Further preferred embodiments of the invention: the second connecting part is positioned at the center of the bottom.
The utility model provides a forming die of radiator, includes mould and lower mould, goes up the die cavity that constitutes shaping radiator between mould and the lower mould, last mould and lower mould all be provided with the first mold core that stretches into the shaping connector in the die cavity, one side of lower mould be provided with the second mold core that stretches into the shaping heat source circulation rivers pipeline in the die cavity, the second mold core will be followed and pass between two upper and lower first mold cores and the outer peripheral face is connected in first mold core zero clearance contact, the periphery symmetry that is located the first mold core of lower mould is provided with two liftout pieces, liftout piece including the upper end portion, first connecting portion, second connecting portion and the bottom that links up in proper order, the upper end cross section be the fan ring shape structure that equals with the wall thickness of radiator connector edge mouth department, the cross section of first connecting portion is fan ring shape structure and its wall thickness is greater than the upper end portion, second connecting portion be fan ring shape structure and its wall thickness is greater than first connecting portion, the periphery symmetry that is located the first mold core of last mould is provided with two ejector rod pieces, the lower extreme cross section of ejector rod piece be ring shape structure.
Further preferred embodiments of the present invention: the upper end of the ejector rod piece is installed on the first oil cylinder, the lower end of the ejector rod piece is located on the periphery of the first mold core of the upper mold, the bottom surface of the ejector rod piece is jacked to the top surface of the interconnection port of the mold cavity, when the upper mold moves upwards to open the mold, the ejector rod piece keeps still for a period of time and then moves upwards along with the upper mold.
Further preferred embodiments of the present invention: the lower die is internally provided with a limiting part, a first die core of the lower die is fixed above the limiting part, the limiting part is provided with a through hole of a fan-shaped annular structure matched with the structure of the first connecting part, and the upper end part penetrates out of the through hole.
Further preferred embodiments of the present invention: the first mold core is of a cylindrical structure and is divided into two sections by different diameters, the part, close to the cavity, of the first mold core is the other section, the diameter of the part, close to the cavity, of the first mold core is smaller than that of the other section, the upper end of the first mold core is attached to the outer surface of the lower end of the first mold core of the lower mold, and the lower end of the ejector rod is attached to the outer surface of the upper end of the first mold core of the upper mold.
Compared with the prior art, the invention has the advantages that a new ejection piece structure is designed, and the ejection piece at the connecting port of the heating radiator which is ejected and formed is set to be the ejector rod which is adaptive to the structure at the bead and has the cross section of a fan-shaped annular structure. Set up the liftout piece of above-mentioned structure, increased the contact surface of liftout piece and radiator interface, the ejector pin structural strength who contrasts tradition simultaneously also increases. However, in the actual use process, if the whole ejecting piece adopts a fan-shaped structure adapted to the structure of the heating radiator, the problem that the ejecting piece is broken still occurs in the ejecting process, that is, the structural strength is still not large enough. Therefore, the ejector piece is divided into the upper end part, the first connecting part, the second connecting part and the bottom which are sequentially connected, and the structures of all parts are sequentially strengthened to adapt to the installation environment of a forming die and achieve ideal structural strength.
The forming die of the heating radiator is designed, and the structure and the position of the first die core and the second die core which are formed in a matched mode are designed, so that the forming of the heating radiator is realized. In the demolding process after molding, the structure and the motion of the ejector rod are matched, so that the upper die is smoothly released without influencing the heating radiator. And then the radiator can be smoothly released from the lower die by matching with the structure and the movement of the ejecting piece. And finishing the production and processing of the heating radiator.
Drawings
Fig. 1 is a schematic structural view of a radiator;
FIG. 2 is a schematic structural view of the ejector;
FIG. 3 is a schematic view of a molding die;
FIG. 4 is a cross-sectional view of section AA in FIG. 3;
FIG. 5 is a schematic view of the engagement of the pin member with the first mold core;
FIG. 6 is a schematic diagram of the engagement between the limiting member and the ejector member;
fig. 7 is a partially exploded view of the molding die.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 2: the utility model provides a drawing of patterns ejector pin of radiator, including ejecting 1, ejecting 1 is including the upper end 2 that links up in proper order, first connecting portion 3, second connecting portion 4 and bottom 5, 2 cross sections of upper end be the fan ring shape structure that the wall thickness that links up along mouthful department equals with radiator connector 10, the cross section of first connecting portion 3 is for fan ring shape structure and its wall thickness is greater than upper end 2, second connecting portion 4 is type fan ring shape structure and its wall thickness is greater than first connecting portion 3, bottom 5 is type fan-shaped block structure.
The upper end part 2 acts on a radiator connecting port 10, the bottom part 5 is connected with a power device, and the power device drives the ejecting part 1 to act on the radiator.
The structure of the upper end part 2 is matched with that of the radiator connecting port 10, the inner diameter of the upper end part 2 is equal to that of the port of the radiator connecting port 10, and the outer diameter of the upper end part 2 is equal to that of the port of the radiator connecting port 10. The upper end 2 of the ejector 1 is adapted to the contact surface of the radiator.
The inner diameter of the first connecting portion 3 is equal to the inner diameter of the upper end portion 2, and the outer diameter of the first connecting portion 3 is larger than the outer diameter of the upper end portion 2. The ejector 1 is intended to be used in conjunction with the first mold core 23, so that the inner diameter of the ejector 1 is not reducible at the portion of the ejector 1 intended to contact the first mold core 23. Therefore, in order to increase the structural strength of the ejector 1, only the outer diameter of the ejector 1 is increased to thicken the ejector 1.
The outer diameter of the second connecting portion 4 is equal to the outer diameter of the first connecting portion 3, and the inner diameter of the second connecting portion 4 is smaller than the inner diameter of the first connecting portion 3. The second connecting portion 4 will not move to the outer periphery of the first mold core 23, and thus the thickness of the ejector 1 is further increased by reducing the inner diameter of the second connecting portion 4.
The second connecting portion 4 is located at the center of the bottom portion 5.
As shown in fig. 3 to 7: a forming die of a heating radiator comprises an upper die 21 and a lower die 22, a cavity for forming the heating radiator is formed between the upper die 21 and the lower die 22, the upper die 21 and the lower die 22 are both provided with first die cores 23 extending into the cavity to form a connecting port 10, one side of the lower die 22 is provided with a second die core 24 extending into the cavity to form a heat source circulating water flow pipeline, the second die core 24 penetrates through the upper and lower first die cores 23 and is in gapless contact connection with the first die cores 23 on the outer peripheral surface, two ejection pieces 1 are symmetrically arranged on the outer periphery of the first die core 23 positioned on the lower die 22, each ejection piece 1 comprises an upper end portion 2, a first connecting portion 3, a second connecting portion 4 and a bottom portion 5 which are sequentially connected, the cross section of the upper end portion 2 is of a fan-shaped ring structure equal to the wall thickness of the opening of the heating radiator 10, the cross section of the first connecting portion 3 is of the fan-shaped ring structure and is larger than the wall thickness of the upper end portion 2, the second connecting portion 4 is of the fan-shaped ring structure and is larger than the first connecting portion 3, the outer periphery of the first connecting port 23 positioned on the upper die 21 is symmetrically provided with two ejection rod pieces 25, and the cross section of the circular rod piece is of the circular ring structure.
The upper end of the ejector rod piece 25 is arranged on the first oil cylinder 27, the lower end of the ejector rod piece 25 is positioned on the periphery of the first mold core 23 of the upper mold 21, the bottom surface of the ejector rod piece 25 is ejected to the top surface of the interconnection port 10 of the mold cavity, when the upper mold 21 moves upwards to open the mold, the ejector rod piece 25 keeps still for a period of time and then moves upwards along with the upper mold 21. The second mold core 24 is connected with a second oil cylinder 28, and the second oil cylinder 28 pushes the second mold core 24 to enter the cavity to form a heat source circulating water flow pipeline. After the radiator is formed, the second oil cylinder 28 drives the second mold core 24 to be drawn out. Then, the upper die 21 is moved.
In the demolding process, the power device pushes the ejection piece 1 and other ejection assemblies to eject the molded heating radiator out, so that demolding is realized.
A limiting part 26 is arranged in the lower die 22, the first die core 23 of the lower die 22 is fixed above the limiting part 26, a through hole of a fan-shaped annular structure adapted to the structure of the first connecting part 3 is formed in the limiting part 26, and the upper end part 2 penetrates out of the through hole. The limiting part 26 ensures the movement route and the movement path of the ejector part 1, and ensures the smooth demoulding of the heating radiator.
The first mold core 23 is of a cylindrical structure and is divided into two sections with different diameters, the part of the first mold core 23 close to the cavity is the other section with a diameter smaller than that of the part far away from the cavity, the upper end part 2 is attached to the outer surface of the lower end of the first mold core 23 of the lower mold 22, and the lower end of the ejector rod piece 25 is attached to the outer surface of the upper end of the first mold core 23 of the upper mold 21. The smaller diameter section of the first mould core 23 is used for forming the connecting opening 10, and the larger diameter end of the first mould core 23 is used for matching the ejector 1 or the ejector pin 25.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A demoulding ejector rod of a heating radiator comprises an ejector piece and is characterized in that the ejector piece comprises an upper end part, a first connecting part, a second connecting part and a bottom which are sequentially connected, the cross section of the upper end part is of a fan-shaped ring structure equal to the wall thickness of an edge opening of a connecting opening of the heating radiator, the cross section of the first connecting part is of a fan-shaped ring structure, the wall thickness of the first connecting part is larger than that of the upper end part, the second connecting part is of a fan-shaped ring structure, the wall thickness of the second connecting part is larger than that of the first connecting part, and the bottom is of a fan-shaped block structure;
the inner diameter of the first connecting part is equal to that of the upper end part, and the outer diameter of the first connecting part is larger than that of the upper end part; the outer diameter of the second connecting part is equal to that of the first connecting part, and the inner diameter of the second connecting part is smaller than that of the first connecting part.
2. A knockout pin for a radiator as claimed in claim 1, wherein the upper end acts on a radiator connecting port, the bottom is connected to a power device, and the power device drives the knockout pin to act on the radiator.
3. A knockout pin for a radiator according to claim 1, characterized in that the structure of the upper end portion is adapted to the structure of the radiator connecting port, the inner diameter of the upper end portion is equal to the inner diameter of the radiator connecting port, and the outer diameter of the upper end portion is equal to the outer diameter of the radiator connecting port.
4. A knockout pin for a radiator as claimed in claim 1, wherein said second connecting portion is located at a central position of the bottom portion.
5. A forming die of a heating radiator comprises an upper die and a lower die, wherein a cavity for forming the heating radiator is formed between the upper die and the lower die, and the forming die is characterized in that the upper die and the lower die are respectively provided with a first die core extending into a cavity forming connector, one side of the lower die is provided with a second die core extending into the cavity forming heat source circulating water flow pipeline, the second die core penetrates through the upper first die core and the lower first die core, the outer peripheral surfaces of the second die core are in gapless contact connection with the first die cores, two ejection pieces are symmetrically arranged on the periphery of the first die core positioned on the lower die, each ejection piece comprises an upper end part, a first connecting part, a second connecting part and a bottom part which are sequentially connected, the cross section of the upper end part is of a fan-shaped ring structure equal to the wall thickness of the heating radiator connector, the cross section of the first connecting part is of a fan-shaped ring structure, the wall thickness of the second connecting part is larger than that of the first connecting part, the periphery of the first die core positioned on the upper die is symmetrically provided with two ejection rod pieces, and the lower end cross section of the ejection rod pieces is of a circular ring structure;
the inner diameter of the first connecting part is equal to that of the upper end part, and the outer diameter of the first connecting part is larger than that of the upper end part; the outer diameter of the second connecting part is equal to that of the first connecting part, and the inner diameter of the second connecting part is smaller than that of the first connecting part.
6. A mould for shaping the radiator of claim 5, which features that the top of said top rod is installed to the first cylinder, the lower end of said top rod is positioned to the periphery of the first core of upper mould, and the bottom of said top rod is pushed to the top of the connecting port in mould cavity.
7. A radiator forming die according to claim 5, wherein a limiting member is disposed in the lower die, the first die core of the lower die is fixed above the limiting member, the limiting member is provided with a through hole of a fan-ring structure adapted to the structure of the first connecting portion, and the upper end portion penetrates out of the through hole.
8. A forming die for a radiator according to claim 5, wherein the first die core is of a cylindrical structure and is divided into two sections by different diameters, the part of the first die core close to the cavity is another section with a diameter smaller than that of the part far away from the cavity, the upper end part is attached to the outer surface of the lower end of the first die core of the lower die, and the lower end of the ejector rod is attached to the outer surface of the upper end of the first die core of the upper die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457934.1A CN107199657B (en) | 2017-06-16 | 2017-06-16 | Demoulding ejector rod of heating radiator and forming mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457934.1A CN107199657B (en) | 2017-06-16 | 2017-06-16 | Demoulding ejector rod of heating radiator and forming mould thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107199657A CN107199657A (en) | 2017-09-26 |
| CN107199657B true CN107199657B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710457934.1A Active CN107199657B (en) | 2017-06-16 | 2017-06-16 | Demoulding ejector rod of heating radiator and forming mould thereof |
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| Country | Link |
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| CN (1) | CN107199657B (en) |
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| CN106514962A (en) * | 2017-01-09 | 2017-03-22 | 上海盛辉塑料包装有限公司 | Injection mold |
| CN106623469A (en) * | 2016-11-11 | 2017-05-10 | 南京理工大学 | Hot extrusion die and technique for thin-wall deep aluminum alloy cartridge piece |
| CN207120395U (en) * | 2017-06-16 | 2018-03-20 | 宁海县赛跃金属制品有限公司 | The demoulding push rod and its mould of a kind of radiator |
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2017
- 2017-06-16 CN CN201710457934.1A patent/CN107199657B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062877A (en) * | 2001-08-27 | 2003-03-05 | Toyoda Gosei Co Ltd | Mold for injection molding and method for manufacturing molded product using the same |
| CN201410533Y (en) * | 2009-06-17 | 2010-02-24 | 林智勇 | Three-way die |
| CN203737983U (en) * | 2014-03-19 | 2014-07-30 | 宁波东浩铸业有限公司 | Die-casting die for opening end cover |
| CN204382587U (en) * | 2014-12-15 | 2015-06-10 | 河南机电高等专科学校 | Battery cabin cap injection forming mold |
| CN204294663U (en) * | 2014-12-19 | 2015-04-29 | 佛山市南海嘉美时代照明有限公司 | A kind of cold extrusion die of lamp surface ring |
| CN204867276U (en) * | 2015-06-19 | 2015-12-16 | 航天精工股份有限公司 | A ejector pin structure for cold heading machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107199657A (en) | 2017-09-26 |
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