CN209903900U - Electric heating injection-blowing core rod of core rod body - Google Patents
Electric heating injection-blowing core rod of core rod body Download PDFInfo
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- CN209903900U CN209903900U CN201920721036.7U CN201920721036U CN209903900U CN 209903900 U CN209903900 U CN 209903900U CN 201920721036 U CN201920721036 U CN 201920721036U CN 209903900 U CN209903900 U CN 209903900U
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- mandrel
- core rod
- electric heating
- ejector pin
- head
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Abstract
The utility model relates to a plug is blown in mandrel body electrical heating notes, by the mandrel body, the mandrel head, the mandrel ejector pin, the mandrel pressure spring, star nut and cap nut constitute, the inside air flue that link up around being provided with of mandrel body, the both ends of air flue are air inlet and gas outlet, the mandrel head is inserted and is established the front end of mandrel body, the mandrel ejector pin is worn to establish inside the air flue to be connected with the rear end of mandrel head, star nut and cap nut are connected at the rear end of mandrel ejector pin, the mandrel pressure spring cover is established on the mandrel ejector pin, and the both ends of mandrel pressure spring form the conflict with star nut and the internal step of mandrel respectively, the inner wall of mandrel body is provided with electric heating wire, be provided with the lead wire groove in the mandrel body, electric heating wire's lead wire is connected with outside power through the lead wire groove. The temperature of the compressed air is raised when the compressed air passes through the part by heating, and the compressed air acts on the inner wall of the tube blank again, so that the surface temperature of the inner wall of the tube blank does not drop suddenly, and the shoulder part of the 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 plug is blown in mandrel body electrical heating notes.
[ 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 electric heating injection blow core rod capable of heating compressed air.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric heating injection-blow core rod of a core rod body comprises a core rod body, a core rod head, a core rod ejector rod, a core rod pressure spring, a star-shaped nut and a cap nut, 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 provided with an air inlet, the front end of the air passage is provided with an air outlet, the mandrel head is inserted into 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 an air groove, the mandrel mandril is arranged in the air passage in a penetrating way, and is connected with the rear end of the mandrel head, the star nut and the cap nut are connected with the rear end of the mandrel mandril, the mandrel compression spring is sleeved on the mandrel mandril, and two ends of the core rod pressure spring are respectively butted with the star-shaped nut and the steps in the core rod body, the inner wall of the core rod body is provided with an electric heating wire, and a lead groove is arranged in the mandrel body, and leads of the electric heating wires are connected with an external power supply through the lead groove.
The utility model provides a plug is blown to mandrel body electrical heating notes further sets up to: the electric heating wire is positioned at the air outlet.
The utility model provides a plug is blown to mandrel body electrical heating notes further sets up to: the mandrel body is provided with an annular groove at the position of the air outlet, and the electric heating wire is of a ring-shaped structure and is arranged inside the annular groove.
Compared with the prior art, the utility model discloses following beneficial effect has: the core rod body electric heating injection-blowing core rod adopts a special electric heating wire structure, the electric heating wire is arranged at the position of the inner wall of the core rod body, compressed air is heated when passing through the position through heating, the temperature is exerted on the inner wall of the tube blank again, the surface temperature of the inner wall of the tube blank cannot be suddenly reduced, and the shoulder part of a product is easy to form.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the core rod comprises a core rod body, 2, a core rod head, 3, a core rod ejector rod, 4, a core rod pressure spring, 5, a star-shaped nut, 6, a cover nut, 7, an air passage, 8, an air inlet, 9, an air outlet, 10, an air groove, 11, an electric heating wire, 12, an annular groove, 13 and a lead groove.
[ detailed description ] embodiments
The following describes a mandrel for electrically heating an injection blow mandrel according to the present invention in further detail with reference to the following embodiments.
As shown in fig. 1, an electrical heating injection blow mandrel for mandrel body is composed of a mandrel body 1, a mandrel head 2, a mandrel push rod 3, a mandrel pressure spring 4, a star nut 5 and a cap nut 6, wherein the mandrel body 1 is a hollow structure, an air passage 7 which is through from front to back is arranged in the hollow structure, the rear end of the air passage 7 is an air inlet 8, the front end of the air passage 7 is an air outlet 9, the mandrel head 2 is inserted in the front end of the mandrel body 1 to seal the air outlet 9, an air groove 10 is arranged on the outer wall of the mandrel head 2 in the air passage 7 to enable the air passage 7 to be through, the mandrel push rod 3 is arranged in the air passage 7 in a penetrating manner and connected with the rear end of the mandrel head 2, the star nut 5 and the cap nut 6 are connected with the rear end of the mandrel push rod 3, the mandrel pressure spring 4 is sleeved on the mandrel push rod 3, two ends of the mandrel pressure spring 4 are respectively formed with the star nut 5 and a step in the mandrel body 1, an, the electric heating wire 11 is located at the air outlet 9. An annular groove 12 is formed in the position, located at the air outlet 9, of the mandrel body 1, and the electric heating wire 11 is of a ring-shaped structure and is arranged inside the annular groove 12. The mandrel body 1 is provided with a lead groove 13, and leads of the electric heating wires 11 are connected with an external power supply through the lead groove 13.
The utility model discloses a theory of operation is: during the use, cap nut 6 is under the effect of external force, promote the mandrel head 2 through mandrel ejector pin 3 and move forward, make appear the clearance between the front end of mandrel head 2 and mandrel body 1, gas outlet 9 promptly, compressed air gets into inside the mandrel body 1 through the rear end of mandrel body 1, receive the heating and heat up when electric heating wire 11, and in getting into the cover from gas outlet 9 and locating the outside pipe of mandrel body 1 front end, the realization is to the blow molding of product, the compressed air after heating is used on the inner wall of pipe, pipe inner wall surface temperature can not produce the dip, the shoulder shaping of product is easy. After the completion, the external force is removed, and the core rod head 2 retracts backwards under the action of the core rod pressure spring 4, so that the air outlet 9 is closed.
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 mandrel body electrical heating notes, by the mandrel body, the mandrel head, the mandrel ejector pin, the mandrel pressure spring, star nut and cap nut constitute, wherein the mandrel body is hollow structure, its inside air flue that link up around being provided with, the rear end of air flue is the air inlet, the front end of air flue is the gas outlet, 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 the air pocket, the mandrel ejector pin is worn to establish inside the air flue, and be connected with the rear end of mandrel head, star nut and cap nut connect the rear end at the mandrel ejector pin, the mandrel pressure spring cover is established on the mandrel ejector pin, and the both ends of mandrel pressure spring form conflict with star nut and the internal step of mandrel respectively, its characterized in that: the inner wall of the mandrel body is provided with an electric heating wire, a lead groove is arranged in the mandrel body, and a lead of the electric heating wire is connected with an external power supply through the lead groove.
2. An electrically heated injection blow mandrel as in claim 1 wherein: the electric heating wire is positioned at the air outlet.
3. An electrically heated injection blow mandrel as claimed in claim 2 wherein: the mandrel body is provided with an annular groove at the position of the air outlet, and the electric heating wire is of a ring-shaped structure and is arranged inside the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721036.7U CN209903900U (en) | 2019-05-20 | 2019-05-20 | Electric heating injection-blowing core rod of core rod body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721036.7U CN209903900U (en) | 2019-05-20 | 2019-05-20 | Electric heating injection-blowing core rod of core rod body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209903900U true CN209903900U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920721036.7U Active CN209903900U (en) | 2019-05-20 | 2019-05-20 | Electric heating injection-blowing core rod of core rod body |
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| CN (1) | CN209903900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039746A (en) * | 2019-05-20 | 2019-07-23 | 江苏维达机械有限公司 | A kind of mandrel body electric heating note blow cores stick |
-
2019
- 2019-05-20 CN CN201920721036.7U patent/CN209903900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039746A (en) * | 2019-05-20 | 2019-07-23 | 江苏维达机械有限公司 | A kind of mandrel body electric heating note blow cores stick |
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