CN209903901U - Core rod is blown in notes of inlayed heating pipe in core rod head - Google Patents
Core rod is blown in notes of inlayed heating pipe in core rod head Download PDFInfo
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- CN209903901U CN209903901U CN201920721051.1U CN201920721051U CN209903901U CN 209903901 U CN209903901 U CN 209903901U CN 201920721051 U CN201920721051 U CN 201920721051U CN 209903901 U CN209903901 U CN 209903901U
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- mandrel
- core rod
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- insert
- heating pipe
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Abstract
The utility model relates to a plunger is blown in notes of inlayed heating pipe of mandrel, including the mandrel body, mandrel head and mandrel pressure spring, wherein the mandrel body is hollow structure, and the air flue that link up around its inside is provided with, the mandrel head is inserted and is established the front end at the mandrel body, and the outer wall that is located the mandrel head in the air flue is provided with first air pocket, the mandrel mold insert that still includes, and the front end of mandrel mold insert is connected with the rear end of mandrel head, the anterior at the mandrel mold insert is established to mandrel pressure spring housing, be provided with in mandrel mold insert and the mandrel head and inlay the hole, inlay and be provided with the heating pipe in the hole, the rear end of heating pipe is connected with external power source through the connecting wire. The heating pipe is embedded in the core rod head, the temperature of the heating pipe is controlled, and the temperature of the inner wall of the tube blank is directly controlled, so that the surface temperature of the inner wall of the tube blank cannot drop suddenly when compressed air is filled, and the shoulder of a product is easy to form.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a blowing technical field, concretely relates to core stick is blown in notes of inlayed heating pipe in core stick head.
[ background of the invention ]
The injection blow core rod consists of a core rod body, a core rod head, a core rod ejector rod, a core rod pressure spring, a star nut and a cap nut, wherein the core rod body is of a hollow structure, an air passage which is communicated with the front and the back is arranged in the core rod body, the back end of the air passage is an air inlet, the front end of the air passage is an air outlet, the core rod head is inserted into the front end of the core rod body to seal the air outlet, the core rod ejector rod penetrates through the air passage and is connected with the back end of the core rod head, the star nut and the cap nut are connected with the back end of the core rod ejector rod, the core rod pressure spring is sleeved on the core rod ejector rod, and two ends of the core rod.
During the use, cap nut promotes the mandrel head through the mandrel ejector pin and moves forward under the effect of external force for appear the clearance between the front end of mandrel head and mandrel body, the gas outlet promptly, inside compressed air got into the mandrel body through the rear end of mandrel body, and got into the cover from the gas outlet and locate the outside pipe of mandrel body front end in, realized the blow molding to the product. After the completion, external force is cancelled, and the core rod head retracts backwards under the action of the core rod pressure spring, so that the air outlet is closed. Because the temperature of the compressed air is lower, when the compressed air enters the tube blank, the temperature of the inner wall surface of the tube blank is suddenly reduced, and the shoulder of the product is not blown enough.
[ Utility model ] content
In order to solve the above problems, an object of the present invention is to provide an injection blow core rod with a heating pipe embedded in a core rod head, which can heat compressed air.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an injection-blow core rod with a heating pipe embedded in a core rod head comprises a core rod body, the core rod head and a core rod pressure spring, wherein the mandrel body is of a hollow structure, the interior of the mandrel body is provided with an air passage which is communicated with the front and the back, the back end of the air passage is an air inlet, the front end of the air passage is an air outlet, the mandrel head is inserted in the front end of the mandrel body to block the air outlet, the outer wall of the mandrel head positioned in the air passage is provided with a first air groove, the mandrel device also comprises a mandrel insert, the mandrel insert is arranged in the air passage, the front end of the mandrel insert is connected with the back end of the mandrel head, the heating device comprises a mandrel insert, a mandrel compression spring, a heating pipe and a mandrel head, wherein the mandrel compression spring is sleeved at the front part of the mandrel insert, embedding holes are formed in the mandrel insert and the mandrel head, the front end of each embedding hole extends to the front part of the mandrel head, the rear end of each embedding hole extends to the rear end of the mandrel insert and is communicated with the outside of the mandrel body, the heating pipe is arranged in each embedding hole, and the rear end of each heating pipe is connected with an external power supply through a connecting wire.
The utility model provides a notes of inlaying heating pipe in mandrel head blow mandrel and further set up to: the front diameter of the core rod insert is smaller than the rear diameter of the core rod insert, a step is arranged in the inner wall of the air passage of the core rod body, the front end of the core rod pressure spring is abutted against the step of the inner wall of the core rod body, and the rear end of the core rod pressure spring is abutted against the front end face of the rear portion of the core rod insert.
The utility model provides a notes of inlaying heating pipe in mandrel head blow mandrel and further set up to: and a second air groove is formed in the outer wall of the rear part of the core rod insert.
Compared with the prior art, the utility model discloses following beneficial effect has: according to the injection-blow mandrel with the heating pipe embedded in the mandrel head, the heating pipe is embedded in the mandrel head, the temperature of the heating pipe is controlled, the temperature of the inner wall of the tube blank is directly controlled, the surface temperature of the inner wall of the tube blank cannot drop suddenly when compressed air is filled, and the shoulder of a product is easy to form.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the mandrel body of fig. 1.
Fig. 3 is a schematic view of the configuration of the mandrel head of fig. 1.
Fig. 4 is a schematic view of the structure of the core rod insert of fig. 1.
In the figure: 1. the core rod comprises a core rod body, 2, a core rod head, 3, a core rod pressure spring, 4, an air passage, 5, an air inlet, 6, an air outlet, 7, a first air groove, 8, a core rod insert, 9, a second air groove, 10, an embedding hole, 11 and a heating pipe.
[ detailed description ] embodiments
The injection blow mandrel with the heating tube embedded in the mandrel head according to the present invention is further described in detail with reference to the following embodiments.
As shown in fig. 1, an injection-blow mandrel with a heating pipe embedded in a mandrel head comprises a mandrel body 1, a mandrel head 2 and a mandrel pressure spring 3, as shown in fig. 2, wherein the mandrel body 1 is of a hollow structure, an air passage 4 which is through from front to back is arranged in the hollow structure, the rear end of the air passage 4 is an air inlet 5, the front end of the air passage 4 is an air outlet 6, the mandrel head 2 is inserted in the front end of the mandrel body 1 to seal the air outlet 6, as shown in fig. 3, a first air groove 7 is arranged on the outer wall of the mandrel head 2 positioned in the air passage 4, as shown in fig. 4, the injection-blow mandrel further comprises a mandrel insert 8, the mandrel insert 8 is arranged in the air passage 4, the front end of the mandrel insert 8 is connected with the rear end of the mandrel head 2, the mandrel pressure spring 3 is sleeved on the front portion of the mandrel insert 8, the front portion of the mandrel insert 8 is smaller than the rear portion, a step is arranged in the inner wall of the air passage 4 of the mandrel body 1, the rear end of the core rod pressure spring 3 is abutted against the front end face of the rear part of the core rod insert 8. And a second air groove 9 is formed in the outer wall of the rear part of the core rod insert 8. The mandrel insert 8 and the mandrel head 2 are internally provided with an embedding hole 10, the front end of the embedding hole 10 extends to the front part of the mandrel head 2, the rear end of the embedding hole 10 extends to the rear end of the mandrel insert 8 and is communicated with the outside of the mandrel body 1, a heating pipe 11 is arranged in the embedding hole 10, and the rear end of the heating pipe 11 is connected with an external power supply through a connecting wire.
The utility model discloses a theory of operation is: when the device is used, the rear end of the mandrel insert 8 moves forwards under the action of external force, so that the mandrel head 2 is pushed to move forwards, a gap is formed between the mandrel head 2 and the front end of the mandrel body 1, namely the air outlet 6, compressed air enters the air passage 4 through the second air groove 9 of the mandrel insert 8, then enters the tube blank sleeved outside the front end of the mandrel body 1 from the air outlet 6 through the first air groove 7, blow molding of a product is realized, the inner wall of the tube blank is heated while the compressed air is heated by the heating pipe 11 embedded in the embedding hole 10, the temperature of the heating pipe 11 is controlled, the temperature of the inner wall of the tube blank is directly controlled, the surface temperature of the inner wall of the tube blank cannot drop suddenly when the compressed air is filled, and the shoulder of the product is easy to mold. After the blow molding is finished, the mandrel insert 8 and the mandrel head 2 are reset under the action of the mandrel pressure spring 3.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (3)
1. The utility model provides a plug is blown in notes of embedded heating pipe of mandrel head, includes mandrel body, mandrel head and mandrel pressure spring, and wherein the mandrel body is hollow structure, and the air flue that link up around its inside is provided with, and the rear end of air flue is the air inlet, and the front end of air flue is the gas outlet, and the mandrel head is inserted and is established the front end of mandrel body, with the gas outlet shutoff, the outer wall that is located the mandrel head in the air flue is provided with first air groove, its characterized in that: the gas-liquid separation device is characterized by further comprising a mandrel insert, the mandrel insert is arranged inside the gas passage, the front end of the mandrel insert is connected with the rear end of the mandrel head, the mandrel compression spring is sleeved on the front portion of the mandrel insert, embedding holes are formed in the mandrel insert and the mandrel head, the front end of each embedding hole extends to the front portion of the mandrel head, the rear end of each embedding hole extends to the rear end of the mandrel insert and is communicated with the outside of the mandrel body, a heating pipe is arranged in each embedding hole, and the rear end of each heating pipe is connected with an external power supply through a connecting wire.
2. The injection-blow mandrel with heating pipe embedded in mandrel head as claimed in claim 1, wherein: the front diameter of the core rod insert is smaller than the rear diameter of the core rod insert, a step is arranged in the inner wall of the air passage of the core rod body, the front end of the core rod pressure spring is abutted against the step of the inner wall of the core rod body, and the rear end of the core rod pressure spring is abutted against the front end face of the rear portion of the core rod insert.
3. The injection-blow mandrel with heating tube embedded in mandrel head as claimed in claim 2, wherein: and a second air groove is formed in the outer wall of the rear part of the core rod insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721051.1U CN209903901U (en) | 2019-05-20 | 2019-05-20 | Core rod is blown in notes of inlayed heating pipe in core rod head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721051.1U CN209903901U (en) | 2019-05-20 | 2019-05-20 | Core rod is blown in notes of inlayed heating pipe in core rod head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209903901U true CN209903901U (en) | 2020-01-07 |
Family
ID=69048492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920721051.1U Active CN209903901U (en) | 2019-05-20 | 2019-05-20 | Core rod is blown in notes of inlayed heating pipe in core rod head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209903901U (en) |
-
2019
- 2019-05-20 CN CN201920721051.1U patent/CN209903901U/en active Active
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