CN111571939A - Production mould of high tension cable terminal stress cone - Google Patents
Production mould of high tension cable terminal stress cone Download PDFInfo
- Publication number
- CN111571939A CN111571939A CN201910124356.9A CN201910124356A CN111571939A CN 111571939 A CN111571939 A CN 111571939A CN 201910124356 A CN201910124356 A CN 201910124356A CN 111571939 A CN111571939 A CN 111571939A
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- plate
- main body
- mould
- mold
- upper plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7331—Heat transfer elements, e.g. heat pipes
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a production die of a high-voltage cable terminal stress cone, and particularly relates to the field of die products. According to the invention, the insulating part and the conductive part are arranged on the outer side of the mold core main body, the conductive part is coated in the insulating part, the inner and outer fall of the insulating part of the product is small and can be ignored basically, the glue consumption of the product is enough and certain pressure is ensured during production of the product, the production process of the product is simple, the control on the production process is convenient, and the product percent of pass is increased.
Description
Technical Field
The invention relates to the technical field of mould products, in particular to a production mould for a stress cone of a high-voltage cable terminal.
Background
The cable terminal stress cone is applied to a cable joint, and in order to effectively control the axial field intensity of the insulating tail end of a cable body, the insulating tail end is cut into a conical curved surface which is just opposite to the curved surface of the stress cone, and the conical curved surface is called a reaction force cone. The reaction force cone is the interface between the filling insulation and the cable body insulation in the joint, and the interface is a weak link of the cable joint, so that sliding breakdown along the conical surface of the reaction force cone is easy to occur if the interface is not well treated during design or installation.
The existing mold of the terminal stress cone is different according to specifications, and the stress cone of each specification needs to correspond to different molds.
The inner and outer fall of an insulating part of the existing product mold is large in the production process, and when the product is produced, if the injection pressure is small, the transition part is absent; if the pressure is too large, the glue is easy to pass; the production process is difficult to control, and the product percent of pass is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a production die for a high-voltage cable terminal stress cone, an insulating part and a conductive part are arranged on the outer side of a die core main body, the conductive part is coated in the insulating part, the inner and outer fall of the insulating part of a product is small and can be basically ignored, the product production only needs to ensure that the glue consumption of the product is enough and certain pressure is ensured, the production process of the product is simple, the qualification rate is high, and the condition that the inner and outer fall of the die in the insulating part is large and the transition part of the die is absent if the injection pressure is small during the production of the product is; if the injection pressure is too large, the phenomenon of gluing is easily caused, the control of the production process is convenient, and the product percent of pass is increased.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a production mould of high tension cable terminal stress cone, includes the mould main part, mould main part front side is equipped with the upper plate, be equipped with the upper plate hot plate between upper plate and the mould main part, mould main part rear side is equipped with the hypoplastron, be equipped with the hypoplastron hot plate between mould main part and the hypoplastron, the inside heating pipe that evenly is equipped with of upper plate hot plate and hypoplastron hot plate, the inside mold core that is equipped with of mould main part, the mold core outside evenly is equipped with the baffle, the mold core includes mold core main part, insulating part and conductive part.
In a preferred embodiment, an upper plate main connecting shaft is arranged inside the upper plate, penetrates through the upper plate heating plate and is in threaded connection with the mold cores, and an upper plate auxiliary connecting shaft is arranged outside the upper plate main connecting shaft.
In a preferred embodiment, a connecting plate is arranged between the lower plate and the lower plate heating plate, the connecting plate is used for connecting injection molding equipment, a lower plate connecting shaft is arranged in the lower plate, and the lower plate connecting shaft sequentially penetrates through the connecting plate, the lower plate heating plate and the mold main body and is in threaded connection with the mold main body.
In a preferred embodiment, the heating pipe is internally provided with a heating coil, and the heating pipe is fixedly arranged inside the upper heating plate and the connecting plate and is provided in a plurality.
In a preferred embodiment, the number of the partition plates is set to be multiple, the partition plates are used for fixing the mold core main body, and the thickness of the partition plates is set to be 30-40 mm.
In a preferred embodiment, an insulating part is arranged outside the mold core main body, a conductive part is inserted into the insulating part, the top of the conductive part is fixedly connected with the mold core main body, and the mold core main body is internally provided with the conductive part.
In a preferred embodiment, the insulating member covers the conductive member and is smoothed at the joint with the conductive member, and the insulating member is made of an insulating rubber material.
The invention has the technical effects and advantages that:
1. according to the invention, the insulating part and the conductive part are arranged on the outer side of the mold core main body, the conductive part is coated in the insulating part, the inner and outer fall of the insulating part of the product is small and can be basically ignored, the product production only needs to ensure that the glue consumption of the product is enough and certain pressure is ensured, the production process of the product is simple, the qualification rate is high, and the phenomenon that the inner and outer fall of the mold in the insulating part is large and the transition part of the mold is absent if the injection pressure is small during the production of the product is changed; if the injection pressure is too large, the phenomenon of gluing is easily caused, the control on the production process is convenient, and the product percent of pass is increased;
2. the high-power simple heater which is divided into a plurality of control loops is used for heating through the upper plate, the lower plate and the plurality of heating pipes, so that the heating capacity can be uniformly distributed on the whole mold core main body, the temperature of the mold is controlled by a plurality of thermocouples, the thermocouples are placed between the heating element and the molding part, and the mold core main body is separated from a machine template by the upper plate and the lower plate, so that the molding speed after injection molding can be increased, the heating and heat insulation working efficiency of a product is improved, and the qualification rate of the product can be improved;
3. through being equipped with a plurality of connecting axles and baffle, upper plate main connecting axle is connected upper plate and mold core, and be connected with the mould main part through upper plate main connecting axle, thereby can inject the position of upper plate, the hypoplastron connecting axle runs through the connecting plate and is connected with the mould main part, thereby can inject the mould main part, the position of upper plate and hypoplastron is injectd, guarantee can not lead to the position of mould to take place the skew because of rocking of heating or moulding plastics in the course of working, the baffle is installed and is set for according to the demand of product, a position for fixed mold core main part.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a mold core of the present invention;
the reference signs are: 1 mould body, 2 upper plates, 21 upper plate heating plates, 22 upper plate main connecting shafts, 23 upper plate auxiliary connecting shafts, 3 lower plates, 31 lower plate heating plates, 32 connecting plates, 33 lower plate connecting shafts, 4 heating pipes, 5 mould cores, 6 partition plates, 7 mould core bodies, 8 insulating parts and 9 conductive parts.
Detailed Description
The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention provides a production die of a high-voltage cable terminal stress cone as shown in figures 1-2, which comprises a die main body 1, wherein an upper plate 2 is arranged on the front side of the die main body 1, an upper plate heating plate 21 is arranged between the upper plate 2 and the die main body 1, a lower plate 3 is arranged on the rear side of the die main body 1, a lower plate heating plate 31 is arranged between the die main body 1 and the lower plate 3, heating pipes 4 are uniformly arranged inside the upper plate heating plate 21 and the lower plate heating plate 31, a die core 5 is arranged inside the die main body 1, a partition plate 6 is uniformly arranged on the outer side of the die core 5, and the die core 5 comprises a die core main body 7, an insulating part 8 and.
Further, heating coils are arranged inside the heating pipes 4, and the heating pipes 4 are fixedly arranged inside the upper heating plate 21 and the connecting plates 32 and are arranged in a plurality of numbers.
The beneficial effects of the embodiment are that: the high-power simple heater 4 divided into a plurality of control loops is used for heating, the heating capacity can be uniformly distributed on the whole mold core main body 7, a plurality of thermocouples are used for controlling the temperature of the mold, the thermocouples are arranged between the heating element and the molding parts, and the mold core main body 7 is separated from a machine mold plate by the upper plate 2 and the lower plate 3, so that the molding speed after injection molding can be accelerated, the heating and heat insulation working efficiency of a product is increased, and the qualification rate of the product can be improved.
Example two:
further, an upper plate main connecting shaft 22 is arranged inside the upper plate 2, the upper plate main connecting shaft 22 penetrates through the upper plate heating plate 21 to be in threaded connection with the mold core 5, and an upper plate auxiliary connecting shaft 23 is arranged on the outer side of the upper plate main connecting shaft 22.
Further, a connecting plate 32 is arranged between the lower plate 3 and the lower plate heating plate 31, the connecting plate 32 is used for connecting injection molding equipment, a lower plate connecting shaft 33 is arranged inside the lower plate 3, and the lower plate connecting shaft 33 sequentially penetrates through the connecting plate 32, the lower plate heating plate 31 and the mold main body 1 and is in threaded connection with the mold main body 1.
Further, the number of the partition plates 6 is set to be multiple, the partition plates 6 are used for fixing the mold core main body, and the thickness of each partition plate 6 is set to be 30-40 mm.
The beneficial effects of the embodiment are that: the upper plate main connecting shaft 22 is used for connecting the upper plate 2 with the mold core 5 and is connected with the mold main body 1 through the upper plate main connecting shaft, so that the position of the upper plate can be limited, the lower plate connecting shaft 33 penetrates through the connecting plate 32 to be connected with the mold main body 1, so that the mold main body 1, the positions of the upper plate 2 and the lower plate 3 can be limited, the situation that the position of the mold deviates due to heating or injection molding shaking in the machining process is avoided, and the partition plate 6 is installed and set according to the requirement of a product and used for fixing the position of the mold core main body 7.
Example three:
further, an insulating part 8 is arranged on the outer side of the mold core main body 7, a conductive part 9 is inserted into the insulating part 8, the top of the conductive part 9 is fixedly connected with the mold core main body 7, and 71 is arranged in the mold core main body 7.
Further, the insulating member 8 covers the conductive member 9 and is smoothed at the joint with the conductive member 9, and the insulating member 8 is made of an insulating rubber material.
The beneficial effects of the embodiment are that: the conductive part 9 is coated inside the insulating part 8, the inner and outer fall of the insulating part of the product is small and can be basically ignored, the product production only needs to ensure that the glue consumption of the product is enough and certain pressure is ensured, the production process of the product is simple, the qualification rate is high, and the defect that the transition part of the mold is lack if the inner and outer fall of the insulating part is large and the injection pressure is small during the production of the product is changed; if the injection pressure is too large, the phenomenon of gluing is easily caused, the control of the production process is convenient, and the product percent of pass is increased.
The working principle of the invention is as follows:
referring to the description figures 1 and 2: the conductive part 9 is coated inside the insulating part 8, the inner and outer fall of the insulating part of the product is small and can be basically ignored, the product production only needs to ensure that the glue consumption of the product is enough and certain pressure is ensured, the production process of the product is simple, the qualification rate is high, and the defect that the transition part of the mold is lack if the inner and outer fall of the insulating part is large and the injection pressure is small during the production of the product is changed; if the injection pressure is too large, the phenomenon of gluing is easily caused, the control on the production process is convenient, and the product percent of pass is increased;
referring to the description of the drawings, figure 1: the high-power simple heater 4 divided into a plurality of control loops is used for heating, the heating capacity can be uniformly distributed on the whole mold core main body 7, a plurality of thermocouples are used for controlling the temperature of the mold, the thermocouples are arranged between the heating element and the molding parts, and the mold core main body 7 is separated from a machine template by the upper plate 2 and the lower plate 3, so that the molding speed after injection molding can be accelerated, the heating and heat insulation working efficiency of a product is improved, and the qualification rate of the product can be improved;
referring to the description figures 1 and 2: the upper plate main connecting shaft 22 is used for connecting the upper plate 2 with the mold core 5 and is connected with the mold main body 1 through the upper plate main connecting shaft, so that the position of the upper plate can be limited, the lower plate connecting shaft 33 penetrates through the connecting plate 32 to be connected with the mold main body 1, so that the mold main body 1, the positions of the upper plate 2 and the lower plate 3 can be limited, the situation that the position of the mold deviates due to heating or injection molding shaking in the machining process is avoided, and the partition plate 6 is installed and set according to the requirement of a product and used for fixing the position of the mold core main body 7.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: 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, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a production mould of high tension cable terminal stress cone, includes mould main part (1), its characterized in that: the mould is characterized in that an upper plate (2) is arranged on the front side of a mould main body (1), an upper plate heating plate (21) is arranged between the upper plate (2) and the mould main body (1), a lower plate (3) is arranged on the rear side of the mould main body (1), a lower plate heating plate (31) is arranged between the mould main body (1) and the lower plate (3), heating pipes (4) are uniformly arranged inside the upper plate heating plate (21) and the lower plate heating plate (31), a mould core (5) is arranged inside the mould main body (1), a partition plate (6) is uniformly arranged on the outer side of the mould core (5), and the mould core (5) comprises a mould core main body (7), an insulating part (8) and.
2. The mold for producing the stress cone of the high-voltage cable terminal according to claim 1, wherein: an upper plate main connecting shaft (22) is arranged inside the upper plate (2), the upper plate main connecting shaft (22) penetrates through the upper plate heating plate (21) to be in threaded connection with the mold core (5), and an upper plate auxiliary connecting shaft (23) is arranged on the outer side of the upper plate main connecting shaft (22).
3. The mold for producing the stress cone of the high-voltage cable terminal according to claim 1, wherein: be equipped with connecting plate (32) between hypoplastron (3) and hypoplastron hot plate (31), connecting plate (32) are used for connecting injection moulding equipment, hypoplastron connecting axle (33) is equipped with to hypoplastron (3) inside, hypoplastron connecting axle (33) run through connecting plate (32), hypoplastron hot plate (31) and mould main part (1) in proper order and with mould main part (1) threaded connection.
4. The mold for producing the stress cone of the high-voltage cable terminal according to claim 1, wherein: heating coils are arranged inside the heating pipes (4), and the heating pipes (4) are fixedly arranged inside the upper heating plate (21) and the connecting plate (32) and are arranged in a plurality of numbers.
5. The mold for producing the stress cone of the high-voltage cable terminal according to claim 1, wherein: the number of the partition plates (6) is set to be a plurality of, the partition plates (6) are used for fixing the mold core main body, and the thickness of the partition plates (6) is set to be 30-40 mm.
6. The mold for producing the stress cone of the high-voltage cable terminal according to claim 1, wherein: the insulating part (8) is arranged on the outer side of the mold core main body (7), the conductive part (9) is inserted into the insulating part (8), the top of the conductive part (9) is fixedly connected with the mold core main body (7), and the mold core main body (7) is internally provided with (71).
7. The mold for producing the stress cone of the high-voltage cable terminal according to claim 6, wherein: the insulating component (8) covers the conductive component (9) and is subjected to smoothing treatment at the joint with the conductive component (9), and the insulating component (8) is made of an insulating rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124356.9A CN111571939A (en) | 2019-02-19 | 2019-02-19 | Production mould of high tension cable terminal stress cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124356.9A CN111571939A (en) | 2019-02-19 | 2019-02-19 | Production mould of high tension cable terminal stress cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111571939A true CN111571939A (en) | 2020-08-25 |
Family
ID=72116725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910124356.9A Pending CN111571939A (en) | 2019-02-19 | 2019-02-19 | Production mould of high tension cable terminal stress cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111571939A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040258863A1 (en) * | 2003-06-19 | 2004-12-23 | The Furukawa Electric Co., Ltd. | Cold-shrinkable type rubber insulation sleeve and method of manufacturing |
| CN201075655Y (en) * | 2007-07-30 | 2008-06-18 | 北京国电四维电力技术有限公司 | Integral prefabricated type middle joint |
| CN201385407Y (en) * | 2009-01-23 | 2010-01-20 | 浙江工业大学 | Heating device of thermosetting plastic injection mould |
| CN202353167U (en) * | 2011-11-14 | 2012-07-25 | 申环电缆科技有限公司 | Integrally-prefabricated type intermediate head |
| CN203344250U (en) * | 2013-03-26 | 2013-12-18 | 国家电网公司 | Manufacturing die assembly for water-resisting prefabricated type cable straight joint |
| CN108736181A (en) * | 2018-05-31 | 2018-11-02 | 深圳市惠程电气股份有限公司 | Transition joint and its manufacturing method |
-
2019
- 2019-02-19 CN CN201910124356.9A patent/CN111571939A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040258863A1 (en) * | 2003-06-19 | 2004-12-23 | The Furukawa Electric Co., Ltd. | Cold-shrinkable type rubber insulation sleeve and method of manufacturing |
| CN201075655Y (en) * | 2007-07-30 | 2008-06-18 | 北京国电四维电力技术有限公司 | Integral prefabricated type middle joint |
| CN201385407Y (en) * | 2009-01-23 | 2010-01-20 | 浙江工业大学 | Heating device of thermosetting plastic injection mould |
| CN202353167U (en) * | 2011-11-14 | 2012-07-25 | 申环电缆科技有限公司 | Integrally-prefabricated type intermediate head |
| CN203344250U (en) * | 2013-03-26 | 2013-12-18 | 国家电网公司 | Manufacturing die assembly for water-resisting prefabricated type cable straight joint |
| CN108736181A (en) * | 2018-05-31 | 2018-11-02 | 深圳市惠程电气股份有限公司 | Transition joint and its manufacturing method |
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Application publication date: 20200825 |
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