CN111391224A - Die structure for manufacturing insulating base - Google Patents
Die structure for manufacturing insulating base Download PDFInfo
- Publication number
- CN111391224A CN111391224A CN202010235375.1A CN202010235375A CN111391224A CN 111391224 A CN111391224 A CN 111391224A CN 202010235375 A CN202010235375 A CN 202010235375A CN 111391224 A CN111391224 A CN 111391224A
- Authority
- CN
- China
- Prior art keywords
- copper nut
- elastic element
- elastic
- column
- mould benevolence
- 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.)
- Withdrawn
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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
- 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
- B29C45/14065—Positioning or centering articles in the mould
- B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
-
- 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
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- 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
-
- 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
- B29C45/14065—Positioning or centering articles in the mould
- B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
- B29C2045/14081—Positioning or centering articles in the mould using means being retractable during injection centering means retracted by the injection pressure
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/08—Transition metals
- B29K2705/10—Copper
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a die structure for manufacturing an insulating seat, which comprises a front die core and a rear die core which are oppositely arranged in front and back, wherein a copper nut is installed on the front die core through an installation column, a forming hole is formed in the rear die core, an elastic column with ejection force is movably arranged in the forming hole, when the front die core and the rear die core are closed, the copper nut extends into the forming hole, the elastic column is abutted against the copper nut to fix the copper nut, a forming space for injection molding medium to flow in is formed between the copper nut and the inner wall of the forming hole, the ejection force of the elastic column is greater than the friction force of the injection molding medium in the forming space on the copper nut during injection molding, and the ejection force of the elastic column is smaller than the pressure of the injection molding medium in the forming hole along with the elastic column during injection molding. The invention provides a mold structure for manufacturing an insulating base, which is simple in structure, good in injection molding effect and high in injection molding success rate.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a die structure for manufacturing an insulating seat.
Background
In the electric automobile at the present stage, the connection between the electric conductor and the electric conductor needs to be fixed and supported, and the electric conductor and other conductors or semiconductors need to be insulated, so that a simple and effective method for meeting the requirement is to use the insulating seat to realize safe and reliable work of the electric conductor.
The structure of present insulating seat is the pedestal and sets up the copper nut on the pedestal, wherein the copper nut single face exposes and sets up in the pedestal, carries out the fixed stay to the electric conductor through the copper nut, and the pedestal is the injection molding, insulates through the pedestal, and during manufacturing, insulating seat is injection moulding through-hole on the pedestal earlier, and the injection moulding part of adding the cap class simultaneously assembles to realize insulating, then through artifical or frock installation copper nut in the through-hole behind the product shaping, lead to processing consuming time and consuming effort, still increased the cost.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a mould structure for manufacturing the insulating seat, which has simple structure, good injection molding effect and high success rate of injection molding of the insulating seat.
In order to achieve the above object, the present invention provides the following technical solutions.
The utility model provides a mould structure for making insulating seat, including the relative front mould benevolence and the back mould benevolence that set up around, its characterized in that: the utility model discloses a copper injection molding device, including front mould benevolence, back mould benevolence, copper nut and copper nut matched with shaping hole, the last copper nut of installing through the erection column of front mould benevolence, be equipped with in the back mould benevolence with copper nut matched with shaping hole, the downthehole activity of shaping still is equipped with the bullet post that has the ejection force, when front mould benevolence and back mould benevolence compound die, the copper nut stretches into in the shaping hole, the bullet post with the copper nut offsets in order to incite somebody to action the copper nut is fixed, just the copper nut with be formed with between the shaping downthehole wall and supply the shaping space that the medium flowed in, the ejection force of bullet post is greater than when moulding plastics and injects plastics the medium is right in the shaping space friction that.
The invention has the beneficial effects that: the mould structure of the invention is characterized in that the elastic element is arranged in the rear mould core, when in injection, the front mould core and the rear mould core are matched, the copper nut extends into the forming hole and is in clearance fit with the forming hole, a medium is injected into the forming hole, friction force is generated between the injection medium in the forming space and the copper nut, the ejection force of the elastic column is larger than the friction force generated by the injection medium on the copper nut, so that the injection medium can not push the copper nut to move through the friction force during the injection, the copper nut is not easy to loosen, the positioning accuracy of the copper nut is ensured, the injection medium is formed between the copper nut and the inner wall of the forming hole to coat the copper nut, the injection medium continuously flows to abut against the elastic column, and the pressure of the injection medium is larger than the elastic force of the elastic column, so that the elastic column is pushed to compress the spring to move, and an injection space is formed, because the medium of moulding plastics of copper nut periphery has already been moulded this moment, therefore the flow of the medium of moulding plastics can not promote the copper nut removes, and the medium of moulding plastics forms insulating part after this injection moulding space internal forming to insulate the one end of copper nut, and assemble the copper nut to insulating seat in injection moulding's the while, simple structure has reduced and has joined in marriage the mould degree of difficulty and mould cost, and the medium of moulding plastics is filled conveniently, and it is convenient to mould plastics, and insulating seat shaping rate is high.
As an improvement of the invention, the bottom end of the bullet column extends out of the forming hole and is matched with an elastic element, and the elastic element is abutted against the bullet column so that the bullet column has ejection force. Through the improvement, the ejection column has ejection force, and springs with different specifications can be selected, so that the ejection column has different ejection force.
As an improvement of the invention, a rear template is further connected to one side of the rear mold core, which is far away from the front mold core, an installation groove for accommodating the elastic element is further formed in the rear template, one end of the elastic element abuts against the elastic column, and the other end of the elastic element is located in the installation groove. Through the improvement, the elastic element is more stably installed, and the elastic element can be conveniently replaced.
As an improvement of the present invention, a stopping portion is disposed at a bottom end of the spring post, the elastic element abuts against the stopping portion, the stopping portion abuts against an outer periphery of the forming hole under an action of the elastic element, and when the spring post compresses the elastic element to move, the stopping portion abuts against an outer periphery of the mounting groove. Through the improvement, the moving range of the elastic column can be limited, and the elastic column is prevented from moving excessively, so that the injection molding accuracy is ensured.
As a refinement of the invention, the elastic element is a spring.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a portion of fig. 1 according to the present invention.
FIG. 3 is a schematic view of the present invention in the non-injection molded state.
FIG. 4 is a schematic illustration of the injection molding process of the present invention.
In the figure, 1, a front mold core; 2. a rear mold core; 21. forming holes; 22. a guide groove; 3. a copper nut; 4. mounting a column; 5. a bullet column; 51. a stopper portion; 6. an elastic element; 7. a rear template; 71. and (4) mounting the groove.
Detailed Description
The invention is further explained with reference to the drawings.
Referring to fig. 1 to 4, the mold structure for manufacturing an insulating base includes a front mold core 1 and a rear mold core 2 which are oppositely arranged, a mounting column 4 is arranged on the front mold core 1, a copper nut 3 is mounted on the mounting column 4, the copper nut 3 is movably sleeved on the mounting column 4, a stopping step is arranged on the mounting column 4, so that the copper nut 3 can move only in a single direction, a forming hole 21 is arranged in the rear mold core 2, during injection molding, an injection molding medium enters the forming hole 21 and is used for forming a product, an elastic column 5 matched with the forming hole 21 is movably arranged in the forming hole 21, one end of the elastic column 5 extends out of the forming hole 21 and is matched with an elastic element 6, and the elastic element 6 abuts against the elastic column 5, so that the elastic column 5 has an ejection force.
When the die is assembled, the copper nut 3 is matched with the forming hole 21, namely the copper nut 3 extends into the forming hole 21, the elastic column 5 is abutted against the copper nut 3, one end of the copper nut 3 is abutted against the elastic column 5, the other end of the copper nut 3 is abutted against the stopping step, so that the copper nut 3 is positioned, the copper nut 3 is prevented from axially moving, a forming space for forming is formed between the copper nut 3 and the inner wall of the forming hole 21, the ejection force of the elastic column is greater than the friction force generated by injection molding media in the forming space to the copper nut during injection molding, when the injection molding media enters the forming hole 21, the injection molding media and the copper nut 3 generate friction force, the friction force can enable the copper nut 3 to generate a movement trend relative to the mounting column 4, and the ejection force of the elastic column 5 is greater than the friction force generated by injection molding media in the forming space to the copper nut 3 during injection molding, make copper nut 3 can not take place relative erection column 4 and take place the axial float because of the frictional force of the medium of moulding plastics, in order to incite somebody to action copper nut 3 fixes, has guaranteed that copper nut 3 fixes a position accurately, the downthehole injection moulding medium of shaping is followed when playing the spring force of bullet post is less than moulding plastics the pressure that the bullet post produced for the injection moulding medium can promote to play post 5 and remove, wherein, according to the structure of product, the quantity of copper nut 3 is a plurality of, and the quantity of corresponding shaping hole 21 also is a plurality of. For purposes of the present invention, the shaping apertures 21 include, but are not limited to, round apertures, square apertures, and the like.
According to the die structure, the elastic element 6 is arranged in the rear die core 2, when the injection molding is carried out, the front die core 1 and the rear die core 2 are matched, the copper nut 3 extends into the forming hole 21 and is in clearance fit with the forming hole 21, the injection medium is injected into the forming hole 21, the friction force is generated between the injection medium in the forming space and the copper nut 3, the ejection force of the elastic column 5 is larger than the friction force generated by the injection medium on the copper nut 3, so that the injection medium cannot push the copper nut 3 to move through the friction force when the injection molding is carried out, the copper nut 3 is not easy to loosen, the positioning accuracy of the copper nut 3 is ensured, the injection medium is formed between the copper nut 3 and the inner wall of the forming hole 21 to coat the copper nut 3, the injection medium continuously flows to abut against the elastic column 5, and the pressure of the injection medium is larger than the elastic force of the elastic column 5, so that the elastic column 5 is pushed to, play and be formed with the space of moulding plastics between post 5 and the copper nut 3, because the medium of moulding plastics of 3 peripheries of copper nut has already been shaped this moment, consequently the flow of the medium of moulding plastics can not promote copper nut 3 removes, the medium of moulding plastics forms insulating part behind this space of moulding plastics internal formation to insulate the one end with copper nut 3, and assemble copper nut 3 to insulating seat in injection moulding's the while, only increase and play post 5 and elastic element 6, moreover, the steam generator is simple in structure, the mould difficulty and the mould cost of joining in marriage have been reduced, the medium of moulding plastics is filled conveniently, it is convenient to mould plastics, insulating seat shaping rate is high.
In addition, the end face of the final formed product is matched with the end face of the elastic column 5 in the forming hole 21, the section difference and the flash are not easy to form, the reject ratio of the product is low, and after the injection molding medium enters the forming hole 21, the pressure of the injection molding medium acts on the end face of the elastic column 5, so that the elastic column 5 is not easy to deform, and the using effect of the elastic column 5 is ensured.
As an improvement of the present invention, a stopping portion 51 is disposed at the bottom end of the elastic column 5, the stopping portion 51 is formed by protruding the end portion of the elastic column 5 outward, so that the outer circumference of the stopping portion 51 is larger than the size of the forming hole 21, the stopping portion 51 is integrally formed with the elastic column 5, the elastic element 6 abuts against the stopping portion 51, the stopping portion 51 abuts against the outer circumference of the forming hole 21 under the action of the elastic element 6, and thus, the stopping portion 51 cooperates with the forming hole 21. Can avoid bullet post 5 removes excessively in shaping hole 21, the terminal surface area of backstop portion 51 is big simultaneously, can stabilize the cooperation with elastic element 6, has guaranteed that elastic element 6 can offset with bullet post 5 all the time, still be equipped with in the back mould benevolence 2 with backstop portion 51 complex guide way 22. Through the cooperation of guide slot 22 and backstop 51, can play the spacing effect of direction to the removal of backstop 51 for the elastic column 5 can stably move. One side of the rear die core 2, which is far away from the front die core 1, is further connected with a rear template 7, one end of the elastic element 6 abuts against the elastic column 5, the other end of the elastic element 6 abuts against the rear template 7, and the elastic element 6 can be supported by arranging the rear template 7, so that when the elastic column 5 pushes the elastic element 6 to move, the elastic element 6 can be compressed. The rear formwork 7 is also provided with an installation groove 71 for accommodating the elastic element 6. Through setting up mounting groove 71, the assembly and the change of the elastic element 6 of being convenient for, backstop portion 51's peripheral dimension is greater than mounting groove 71's size, can avoid the spring 5 compression spring to remove excessively, and mounting groove 71 is convenient for install the elastic element 6 of different grade type in addition for elastic element 6's elastic force value range is big, can the different products of adaptation, uses more stably. For the present embodiment, the elastic element 6 is a spring.
In the present invention, the front mold core 1 and the rear mold core 2 are only relative, and the structures of the front mold core 1 and the rear mold core 2 and the corresponding structures can be interchanged.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (5)
1. The utility model provides a mould structure for making insulating seat, including the relative front mould benevolence and the back mould benevolence that set up around, its characterized in that: the utility model discloses a copper injection molding device, including front mould benevolence, back mould benevolence, copper nut and copper nut matched with shaping hole, the last copper nut of installing through the erection column of front mould benevolence, be equipped with in the back mould benevolence with copper nut matched with shaping hole, the downthehole activity of shaping still is equipped with the bullet post that has the ejection force, when front mould benevolence and back mould benevolence compound die, the copper nut stretches into in the shaping hole, the bullet post with the copper nut offsets in order to incite somebody to action the copper nut is fixed, just the copper nut with be formed with between the shaping downthehole wall and supply the shaping space that the medium flowed in, the ejection force of bullet post is greater than when moulding plastics and injects plastics the medium is right in the shaping space friction that.
2. The mold structure for manufacturing an insulating holder according to claim 1, wherein: the bottom end of the elastic column extends out of the forming hole and is matched with the elastic element, and the elastic element abuts against the elastic column so that the elastic column has ejection force.
3. A mold structure for manufacturing an insulating base according to claim 2, wherein: the back mould benevolence still is connected with the back template, still be equipped with in the back template and be used for holding elastic element's mounting groove, elastic element one end with play post offsets, the elastic element other end is located the mounting groove.
4. A mold structure for manufacturing an insulating base according to claim 2, wherein: the elastic column is characterized in that a stopping portion is arranged at the bottom end of the elastic column, the elastic element abuts against the stopping portion, the stopping portion abuts against the periphery of the forming hole under the action of the elastic element, and when the elastic column compresses the elastic element to move, the stopping portion abuts against the periphery of the mounting groove.
5. A mold structure for manufacturing an insulating base according to claim 2, wherein: the elastic element is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010235375.1A CN111391224A (en) | 2020-03-30 | 2020-03-30 | Die structure for manufacturing insulating base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010235375.1A CN111391224A (en) | 2020-03-30 | 2020-03-30 | Die structure for manufacturing insulating base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111391224A true CN111391224A (en) | 2020-07-10 |
Family
ID=71416598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010235375.1A Withdrawn CN111391224A (en) | 2020-03-30 | 2020-03-30 | Die structure for manufacturing insulating base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111391224A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1750702A1 (en) * | 1968-05-27 | 1971-02-18 | Boellhoff & Co | Screw piece, in particular nut, with a sealing and locking ring made of thermoplastic material |
| JPH01242209A (en) * | 1988-03-25 | 1989-09-27 | Inoue Mtp Co Ltd | Molding method for wiring or piping components integrally molded with molded product |
| CN107791442A (en) * | 2017-09-19 | 2018-03-13 | 苏州贝恩特精密工业有限公司 | A kind of binding post injection mold |
| CN108297354A (en) * | 2018-02-12 | 2018-07-20 | 宁波劦群精密模具有限公司 | A kind of automative wiring terminal shell molding die |
| CN110039724A (en) * | 2019-05-31 | 2019-07-23 | 天立电机（宁波）有限公司 | Injection mold for connecting terminal |
| CN110171095A (en) * | 2019-06-27 | 2019-08-27 | 杭州本松新材料技术股份有限公司 | A kind of embedded copper nut placement tooling of injection molding |
| US20190348785A1 (en) * | 2016-08-12 | 2019-11-14 | Chou Hsien Tsai | Reversible dual-position electric connector |
| CN110789055A (en) * | 2018-08-03 | 2020-02-14 | 汉达精密电子(昆山)有限公司 | Forming structure of blind hole nut on side of moving die |
-
2020
- 2020-03-30 CN CN202010235375.1A patent/CN111391224A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1750702A1 (en) * | 1968-05-27 | 1971-02-18 | Boellhoff & Co | Screw piece, in particular nut, with a sealing and locking ring made of thermoplastic material |
| JPH01242209A (en) * | 1988-03-25 | 1989-09-27 | Inoue Mtp Co Ltd | Molding method for wiring or piping components integrally molded with molded product |
| US20190348785A1 (en) * | 2016-08-12 | 2019-11-14 | Chou Hsien Tsai | Reversible dual-position electric connector |
| CN107791442A (en) * | 2017-09-19 | 2018-03-13 | 苏州贝恩特精密工业有限公司 | A kind of binding post injection mold |
| CN108297354A (en) * | 2018-02-12 | 2018-07-20 | 宁波劦群精密模具有限公司 | A kind of automative wiring terminal shell molding die |
| CN110789055A (en) * | 2018-08-03 | 2020-02-14 | 汉达精密电子(昆山)有限公司 | Forming structure of blind hole nut on side of moving die |
| CN110039724A (en) * | 2019-05-31 | 2019-07-23 | 天立电机（宁波）有限公司 | Injection mold for connecting terminal |
| CN110171095A (en) * | 2019-06-27 | 2019-08-27 | 杭州本松新材料技术股份有限公司 | A kind of embedded copper nut placement tooling of injection molding |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200710 |