CN108340522A - Insulated tension pole casting mold and its capping - Google Patents
Insulated tension pole casting mold and its capping Download PDFInfo
- Publication number
- CN108340522A CN108340522A CN201711488129.1A CN201711488129A CN108340522A CN 108340522 A CN108340522 A CN 108340522A CN 201711488129 A CN201711488129 A CN 201711488129A CN 108340522 A CN108340522 A CN 108340522A
- Authority
- CN
- China
- Prior art keywords
- capping
- tension pole
- insulated tension
- external mold
- stock chest
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/26—Moulds or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3443—Switches
Abstract
The present invention relates to insulated tension pole casting mold and its cappings, insulated tension pole casting mold includes external mold and the mandrel that is arranged in external mold, the external mold and mandrel define the die cavity for profiled insulation pull rod, the end of the external mold is equipped with for the capping with external mold fixing assembling, the capping is equipped with the location hole positioned for the end to mandrel towards the side of die cavity, and the hole wall of the location hole is equipped with the stock chest for supplementing die cavity material in the curing process.By the way that stock chest is arranged in capping, the material being put into stock chest can be supplemented shrinking position in the curing process, solving the problems, such as insulated tension pole material, the size of insulated tension pole is undesirable caused by material is shunk in the curing process, the problem of ensure that solidification dosage, avoiding secondary charging；Simultaneously stock chest after supplementing material for from material escaping gas provide space, avoid air volume from being pressed in material and form defect.
Description
Technical field
The present invention relates to a kind of insulated tension pole casting mold and its cappings.
Background technology
Important component of the insulated tension pole as divide-shut brake in high-tension switch gear, it is desirable that have good insulation performance and
Very high mechanical performance.The preferable poured with epoxy resin of the widely used insulation performance of insulated tension pole used for high-voltage switch, but asphalt mixtures modified by epoxy resin
Fat in the curing process, can have certain shrinking percentage, and one-time cast-forming dosage is unable to get the size of insulated tension pole requirement,
Or to will produce the loose mechanical strength for making insulated tension pole relatively low, influences the normal use of insulated tension pole；And existing pourer
Skill requires the charging of mold and overflow port should not be too large, and so that the difficulty for carrying out secondary charging in solidification link is increased, increases two
The cost of secondary charging.
Invention content
The purpose of the present invention is to provide a kind of insulated tension pole casting molds, to solve insulated tension pole mold in the prior art
In epoxy resin cure during will produce contraction and the problem of need secondary charging；The present invention also aims to provide
A kind of capping for the insulated tension pole casting mold.
To achieve the above object, the technical solution of insulated tension pole casting mold of the present invention is：
1, insulated tension pole casting mold includes external mold and the mandrel that is arranged in external mold, the external mold and mandrel define at
The end of the die cavity of type insulated tension pole, the external mold is equipped with for the capping with external mold fixing assembling, described to cover towards die cavity
Side be equipped in the curing process to die cavity supplement material stock chest.
2, on the basis of 1, the stock chest is circumferentially at least two along capping.Fully die cavity can be mended
Contracting.
3, on the basis of 2, the stock chest along capping it is circumferentially-spaced, be evenly arranged.Keep feeding more uniform.
4, on the basis of 1 or 2 or 3, the cross section of the stock chest is crescent.
5, on the basis of 1 or 2 or 3, the capping is additionally provided with towards the side of die cavity for the end progress to mandrel
The location hole of positioning, the stock chest are arranged on the hole wall of location hole.Location hole ensure that the concentricity of mandrel and external mold.
6, on the basis of 5, the location hole is counterbore, and the end abutment of the mandrel is described on the step of counterbore
Stock chest is connected to material mouth by the path section of counterbore.
7, on the basis of 1 or 2 or 3, the capping is equipped with the ring type seal coordinated with the end part seal of external mold.It protects
Mould ends good seal is demonstrate,proved, raw material in die cavity is avoided leakage problem occur.
8, on the basis of 1 or 2 or 3, the length of the mandrel in an axial direction is more than the length of external mold in an axial direction.Convenient for mandrel
Installation.
9, on the basis of 1 or 2 or 3, the capping is equipped with the gap passed through for bolt, and capping passes through gap and external mold
Fixing assembling.Gap is simple in structure, is convenient for fixing.
10, on the basis of 9, the gap is circumferentially at least two along capping.Improve fixed stability.
To achieve the above object, the technical solution that the present invention covers is：
1, it covers, the capping is for being equipped with the storing for supplementing die cavity material in the curing process towards the side of die cavity
Slot.
2, on the basis of 1, the stock chest is circumferentially at least two along capping.
3, on the basis of 2, the stock chest along capping it is circumferentially-spaced, be evenly arranged.
4, on the basis of 1 or 2 or 3, the cross section of the stock chest is crescent.
5, on the basis of 1 or 2 or 3, the capping is additionally provided with towards the side of die cavity for the end progress to mandrel
The location hole of positioning, the stock chest are arranged on the hole wall of location hole.
6, on the basis of 5, the location hole is counterbore, and the end abutment of the mandrel is described on the step of counterbore
Stock chest is connected to material mouth by the path section of counterbore.
7, on the basis of 1 or 2 or 3, the capping is equipped with the ring type seal coordinated with the end part seal of external mold.
8, on the basis of 1 or 2 or 3, the capping is equipped with the gap passed through for bolt, and capping passes through gap and external mold
Fixing assembling.
9, on the basis of 8, the gap is circumferentially at least two along capping.
The beneficial effects of the invention are as follows：By the way that stock chest is arranged in capping, material is put into stock chest to be cured
It supplements in the process shrinking position, solving insulated tension pole material, insulation is drawn caused by material is shunk in the curing process
The undesirable problem of the size of bar, the problem of ensure that solidification dosage, avoid secondary charging；Stock chest is supplementing simultaneously
After material for from material escaping gas provide space, avoid air volume from being pressed in material and form defect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the specific embodiment one of the insulated tension pole casting mold of the present invention；
Fig. 2 is the structural schematic diagram of the external mold of the specific embodiment one of the insulated tension pole casting mold of the present invention；
Fig. 3 is left view in Fig. 2；
Fig. 4 is the structural schematic diagram of the mandrel of the specific embodiment one of the insulated tension pole casting mold of the present invention；
Fig. 5 is the structural schematic diagram of the capping of the specific embodiment one of the insulated tension pole casting mold of the present invention；
Fig. 6 is the structural schematic diagram of the A-A of Fig. 5；
Fig. 7 is the structural schematic diagram of the capping of the specific embodiment two of the insulated tension pole casting mold of the present invention.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment one of the insulated tension pole casting mold of the present invention, as shown in Figures 1 to 6, insulated tension pole casting moulds
Having the mandrel 4 for including external mold 3 and being arranged in external mold 3, external mold 3 and mandrel 4 define the die cavity 15 for profiled insulation pull rod,
The end of external mold 3 is equipped with for the capping 11 with 3 fixing assembling of external mold.As shown in Figures 2 and 3, external mold 3, which has, places mandrel 4
Inner cavity, the both ends of external mold 3 are equipped with ring flange, and the circumferential direction of ring flange is equipped with for slitting with the external mold of 11 fixing assemblings of capping
Mouthfuls 10, external mold gap 10 constitutes fixed structure, and in the present embodiment, the quantity of external mold gap 10 is four and along the week of capping 11
To being spaced, being evenly arranged, in other embodiments, external mold gap may be two, three, five or more or ring flange
It is equipped with mounting hole, external mold passes through mounting hole and capping fixing assembling；In the present embodiment, the both ends of external mold 3 are additionally provided with boss 9,
Boss 9 and 11 location fits of capping, ensure the concentricity of mandrel and external mold.
In the present embodiment, as shown in figure 4, mandrel 4 is located in the inner cavity of external mold 3, being used to prepare insulation with the cooperation of external mold 3 draws
The both ends of bar, mandrel 4 are equipped with threaded hole 41, and threaded hole 41 is convenient for the lifting of mandrel 4, and the more labour-saving of mandrel 4 is made to be packed into external mold 3
Inner cavity, reduce labor intensity, improve work efficiency.
In the present embodiment, as shown in Figure 5 and Figure 6, capping 11 is equipped with towards the side of die cavity 15 for the end to mandrel 4
The location hole positioned, in the present embodiment, location hole is counterbore 6, and the end abutment of mandrel 4 is on the step of counterbore 6, counterbore
Preferably mandrel can be positioned, ensure the concentricity of mandrel and external mold.In the present embodiment, the hole wall of counterbore 6 is equipped with
Stock chest 5 for supplementing die cavity 15 material in the curing process, in the present embodiment, the cross section of stock chest 5 is crescent,
In other embodiments, the cross section of stock chest may be polygonized structure；In order to make material in die cavity supplement compared with
To be abundant, in the present embodiment, stock chest 5 along capping 11 it is circumferentially disposed there are four and interval, be evenly arranged, in other embodiment
In, stock chest can be arranged one, two, three, five or more；In the present embodiment, capping 11 is equipped with the end with external mold 3
The ring type seal 2 of cooperation is sealed, ring type seal can ensure mould ends good seal, material in die cavity is avoided to let out
Leakage, improves the stability of mold.When cast, a part of material is stored in stock chest 5, in the curing process the object in die cavity 15
Material starts to shrink at, and the material in stock chest 5 in die cavity 15 to supplementing, while stock chest 5 is from material after supplementing material
Middle escaping gas provides space, avoids air volume from being pressed in material and forms defect.In the present embodiment, capping 11, which is equipped with, to be used
In the capping gap 12 with 3 fixing assembling of external mold, capping gap 12 constitutes fixed structure, in the present embodiment, covers gap 12
Quantity be four and along capping 11 it is circumferentially-spaced, be evenly arranged, in other embodiments, capping gap may be two
It is a, three, five or more or ring flange be equipped with mounting hole, capping passes through mounting hole and external mold fixing assembling.The present embodiment
In, it is additionally provided in capping 11 for the capping groove 13 with the cooperation of the boss 9 of external mold 3, ensure that and ensure the same of mandrel and external mold
Axis degree.
In the present embodiment, external mold gap 10 with capping gap 12 be fixedly connected by bolt 7, make external mold 3 with capping 11 into
It goes and effectively fixes, occur material leakage problem, and convenient disassembly after the completion of solidification when cast being avoided to cure.In the present embodiment, such as
Shown in Fig. 1 and Fig. 6, capping 11 is equipped with material mouth 14, and material mouth 14 is equipped with internal thread, the path that material mouth 14 passes through counterbore 6
Section is connected to stock chest 5, and the material mouth 14 of two cappings 11 has been connected through a screw thread inlet tube 1 and outlet 8 respectively.This implementation
In example, the length of mandrel 4 is more than the length of external mold 3, is assembled in external mold convenient for mandrel.
The specific embodiment two of the insulated tension pole casting mold of the present invention：As shown in fig. 7, the difference with specific embodiment one
Place is that there are two the settings of the stock chest 5.
The specific embodiment three of the insulated tension pole casting mold of the present invention：With specific embodiment one the difference is that,
The location hole is conical bore.
The specific embodiment four of the insulated tension pole casting mold of the present invention：With specific embodiment one the difference is that,
It is not provided with ring type seal in the capping.
The specific embodiment five of the insulated tension pole casting mold of the present invention：With specific embodiment one the difference is that,
The capping is equipped with mounting hole, and capping passes through mounting hole and external mold fixing assembling.
The specific embodiment of the capping of the present invention, capping in the present embodiment are specific with above-mentioned insulated tension pole casting mold
The structure of any one of capping is identical in embodiment one to specific embodiment five, and it will not go into details.
Claims (10)
1. insulated tension pole casting mold, it is characterised in that：Including external mold and the mandrel being arranged in external mold, the external mold and mandrel
The die cavity for profiled insulation pull rod is defined, the end of the external mold is equipped with for the capping with external mold fixing assembling, described
Cover the stock chest being equipped with towards the side of die cavity for supplementing die cavity material in the curing process.
2. insulated tension pole casting mold according to claim 1, it is characterised in that：The stock chest is set along the circumferential direction of capping
Have at least two.
3. insulated tension pole casting mold according to claim 2, it is characterised in that：The stock chest is between the circumferential direction of capping
Every, be evenly arranged.
4. insulated tension pole casting mold according to claim 1 or 2 or 3, it is characterised in that：The cross section of the stock chest
For crescent.
5. insulated tension pole casting mold according to claim 1 or 2 or 3, it is characterised in that：It is described to cover towards die cavity
Side is additionally provided with the location hole positioned for the end to mandrel, and the stock chest is arranged on the hole wall of location hole.
6. insulated tension pole casting mold according to claim 5, it is characterised in that：The location hole is counterbore, the core
On the step of counterbore, the stock chest is connected to material mouth by the path section of counterbore the end abutment of axis.
7. insulated tension pole casting mold according to claim 1 or 2 or 3, it is characterised in that：The capping be equipped with it is outer
The ring type seal of the end part seal cooperation of mould.
8. insulated tension pole casting mold according to claim 1 or 2 or 3, it is characterised in that：The length of the mandrel in an axial direction
Degree is more than the length of external mold in an axial direction.
9. insulated tension pole casting mold according to claim 1 or 2 or 3, it is characterised in that：The capping is equipped with for spiral shell
The gap that bolt passes through, capping pass through gap and external mold fixing assembling.
10. capping, it is characterised in that：The capping towards the side of die cavity for being equipped with for being mended in the curing process to die cavity
Fill the stock chest of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488129.1A CN108340522B (en) | 2017-12-29 | 2017-12-29 | Insulating pull rod casting mold and sealing cover thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488129.1A CN108340522B (en) | 2017-12-29 | 2017-12-29 | Insulating pull rod casting mold and sealing cover thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108340522A true CN108340522A (en) | 2018-07-31 |
| CN108340522B CN108340522B (en) | 2020-05-26 |
Family
ID=62963383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711488129.1A Active CN108340522B (en) | 2017-12-29 | 2017-12-29 | Insulating pull rod casting mold and sealing cover thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108340522B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103376A (en) * | 2019-04-16 | 2019-08-09 | 宜昌恒源科技有限公司 | A kind of rubber wall bushing processing mold |
| CN113043629A (en) * | 2021-03-15 | 2021-06-29 | 全球能源互联网研究院有限公司 | Glue injection mold and mold filling method for insulating pull rod |
Citations (5)
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|---|---|---|---|---|
| JPH10265988A (en) * | 1997-03-25 | 1998-10-06 | Shinko Pantec Co Ltd | Hydrogen and oxygen generator |
| JP4416263B2 (en) * | 2000-03-30 | 2010-02-17 | 日本クラウンコルク株式会社 | Molding equipment for synthetic resin products |
| CN104139476A (en) * | 2013-11-30 | 2014-11-12 | 国家电网公司 | Capacitor tube pouring die |
| CN205097426U (en) * | 2015-11-13 | 2016-03-23 | 成都鲁晨新材料科技有限公司 | Leading -in pouring special mould in large -scale epoxy insulating cylinder vacuum |
| CN205969439U (en) * | 2016-08-26 | 2017-02-22 | 重庆唐盛精密模具有限公司 | Slip casting mould |
-
2017
- 2017-12-29 CN CN201711488129.1A patent/CN108340522B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10265988A (en) * | 1997-03-25 | 1998-10-06 | Shinko Pantec Co Ltd | Hydrogen and oxygen generator |
| JP4416263B2 (en) * | 2000-03-30 | 2010-02-17 | 日本クラウンコルク株式会社 | Molding equipment for synthetic resin products |
| CN104139476A (en) * | 2013-11-30 | 2014-11-12 | 国家电网公司 | Capacitor tube pouring die |
| CN205097426U (en) * | 2015-11-13 | 2016-03-23 | 成都鲁晨新材料科技有限公司 | Leading -in pouring special mould in large -scale epoxy insulating cylinder vacuum |
| CN205969439U (en) * | 2016-08-26 | 2017-02-22 | 重庆唐盛精密模具有限公司 | Slip casting mould |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103376A (en) * | 2019-04-16 | 2019-08-09 | 宜昌恒源科技有限公司 | A kind of rubber wall bushing processing mold |
| CN113043629A (en) * | 2021-03-15 | 2021-06-29 | 全球能源互联网研究院有限公司 | Glue injection mold and mold filling method for insulating pull rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108340522B (en) | 2020-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 22, South Ring Road, Pingdingshan, Henan, Henan Applicant after: HENAN PING GAO ELECTRIC Co.,Ltd. Applicant after: PINGGAO GROUP Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: No. 22, South Ring Road, Pingdingshan, Henan, Henan Applicant before: HENAN PING GAO ELECTRIC Co.,Ltd. Applicant before: PINGGAO GROUP Co.,Ltd. Applicant before: State Grid Corporation of China |
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| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181128 Address after: No. 22, South Ring Road, Pingdingshan, Henan, Henan Applicant after: PINGGAO GROUP Co.,Ltd. Applicant after: HENAN PING GAO ELECTRIC Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: No. 22, South Ring Road, Pingdingshan, Henan, Henan Applicant before: HENAN PING GAO ELECTRIC Co.,Ltd. Applicant before: PINGGAO GROUP Co.,Ltd. Applicant before: STATE GRID CORPORATION OF CHINA |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |