CN108381843A - The making mold of sealing ring - Google Patents
The making mold of sealing ring Download PDFInfo
- Publication number
- CN108381843A CN108381843A CN201810126551.0A CN201810126551A CN108381843A CN 108381843 A CN108381843 A CN 108381843A CN 201810126551 A CN201810126551 A CN 201810126551A CN 108381843 A CN108381843 A CN 108381843A
- Authority
- CN
- China
- Prior art keywords
- template
- slitting
- sealing ring
- making mold
- cope plate
- 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.)
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- 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
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of making molds of sealing ring, its drip irrigation device includes cope plate, middle template and lower template, the middle template includes middle frame and horizontal sliding in several template slittings in the middle template, the sidewall extension degree direction of the template slitting offers several half bore, and the half bore combination of the adjacent template slitting constitutes the product cavity of compression molding sealing ring；The detent mechanism in the lower template and the fitting of middle template the adjacent template slitting being bonded is provided between the lower template and template slitting, the present invention has convenient for raised sealing ring demoulding on side wall, and can avoid the effect of the sealing ring cracking of demoulding.
Description
Technical field
The present invention relates to manufacture molds, and more specifically it is related to a kind of making mold of sealing ring.
Background technology
The manufacture mold of sealing ring can be generally divided into three layers, be respectively from top to bottom, cope plate, middle template, lower template.
Process generally comprises：Lower template and the fitting of middle template, raw material is added in the chamber that lower template and middle template are formed；Upper mold
Plate, middle template, three layers of lower template fit, and heating and mould pressing is carried out to raw material.During molding sealing ring will follow after molding
Template detaches between cope plate and lower template, finally utilizes artificial or discharging structure, the sealing ring on middle mold is removed
Complete the processing of sealing ring.
And the side wall of existing sealing ring usually has corrugated or screw thread shape protrusion, is similar in the prior art upper
The making mold for the sealing ring stated, it is more difficult to the demoulding of the raised sealing ring in surface, need by manually exert a force make it is close
Seal generates the case where deformation is therefrom fallen off, cracking is susceptible to so as to cause the product of demoulding in mould.
Invention content
It is excellent in view of the deficiencies of the prior art, the present invention intends to provide a kind of making mold of sealing ring
Point is convenient for raised sealing ring demoulding on side wall, and can avoid the sealing ring cracking of demoulding.
To achieve the above object, the present invention provides following technical solutions：A kind of making mold of sealing ring, including upper mold
Plate, middle template and lower template, the middle template include middle frame and horizontal sliding in several template slittings in the middle template,
The sidewall extension degree direction of the template slitting offers several half bore, and the half bore combination of the adjacent template slitting constitutes mould
The product cavity of molded sealing ring；It is provided between the lower template and template slitting in the lower template and the fitting of middle template
When make detent mechanism that the adjacent template slitting is bonded.
By using above-mentioned technical proposal, central panel is divided into frame and several template slittings, in molding, lower template
It fits with middle template, under the action of detent mechanism, adjacent template slitting is close to, and constitutes product cavity and is molded.And
After dividing mould, for lower template far from middle template, template slitting loses the positioning action of lower template, energy between adjacent template slitting
Enough Relative slidings, in demoulding, pass through sliding template slitting so that corresponding two half bore separation on product cavity increases
Spacing between big half bore, enables sealing ring easily to fall, and there is no need to the active forces that manually exerts a force, and sealing ring to be made to fall off,
Reach convenient for raised sealing ring demoulding on side wall, and the effect of the sealing ring cracking of demoulding can be avoided.
The present invention is further arranged to：Consolidating for the outermost template slitting in fixed side is provided on the middle frame
Determine mechanism.
By using above-mentioned technical proposal, the outermost template slitting in side is fixed by fixed mechanism, to remaining
Template slitting can be positioned by being close to outermost template slitting successively.Thus in the case where not influencing demoulding,
Template slitting is facilitated to position in molding.
The present invention is further arranged to：The detent mechanism includes being fixed in the lower template to correspond to the template slitting
Corresponding position positioning column and be set to the positioning for the positioning column grafting of the template slitting length direction both sides
Hole.
By using above-mentioned technical proposal, the both sides of template slitting length direction are respectively provided with location hole, when the positioning of both sides
When hole is all socketed in outside positioning column, position will be fixed in the plane for template slitting.And due to being between positioning column and location hole
Grafting relationship, in molding, positioning column will be inserted into location hole, and template slitting is made mutually to be close to realize positioning automatically.It is fixed in demoulding
Position column will be disengaged from location hole, and template slitting then automatically terminates positioning.
The present invention is further arranged to：It is arranged on the positioning column tapered.
By using above-mentioned technical proposal, the taper on positioning column so that the outer diameter of the upper end of positioning column can be less than positioning
The aperture in hole easily facilitates positioning column and is inserted into location hole.And after positioning column is fully inserted into location hole, the outer diameter of positioning column and fixed
The aperture in position hole is equal, realizes the complete positioning to template slitting so that adjacent template slitting is close to.
The present invention is further arranged to：Sled hole is provided between the adjacent template slitting.
By using above-mentioned technical proposal, in demoulding, if adjacent template slitting still keeps being bonded, staff
It can be separated convenient for template slitting by the way that skid plate to be inserted into sled hole.
The present invention is further arranged to：It corresponds to be provided with to cover in molding on positioning column position on the cope plate and is connected on institute
State the sealing cover slot of positioning column upper end.
By using above-mentioned technical proposal, in molding, sealing cover slot can be covered to be connected on positioning column cope plate, to logical
The connection between sealing cover slot and positioning column is crossed, realizes that the positioning between cope plate and lower template is fixed, and middle template is clamped
Between cope plate and lower template.To realize the positioning between cope plate, middle template and lower template comprehensively, when ensureing molding
Position is accurate.
The present invention is further arranged to：Flash groove is offered in the cope plate and lower template.
By using above-mentioned technical proposal, in molding, extra raw material and gas can be by flash grooves outward
Outflow avoids gas and raw material between cope plate, middle mold and lower mold from hindering molding；Upper, middle and lower template is caused to mold
When, product trapped gas and flash are bad.
The present invention is further arranged to：Upper surface constitutes binder slot, the upper mold after adjacent template slitting fitting
The briquetting that the binder slot is inserted into molding is wholely set on plate.
By using above-mentioned technical proposal, the position of binder slot is less than the upper surface of middle mould, therefore can prevent binder slot
Interior raw material flow to other positions, and ensure product type intracavitary has enough raw materials.It is molded sealing block and sealing flute profile simultaneously
At one piece of molded areas, for the upper mold of pure-surface, sizing material is easier to be pressurized and be full of cavity.
The present invention is further arranged to：The cope plate, which corresponds to, is provided with hole post, the hole in the middle part of the product cavity
The bottom of column is provided with sealing spur, and the lower template corresponds to hole post position and is provided with the cone tank being inserted into for sealing spur.
By using above-mentioned technical proposal, spur and cone tank are sealed to connection so that hole post connects upper mold in molding
Plate and lower template can form the inner ring of sealing ring.And the company due to the connection of sealing spur and cone tank between plane
It connects, contact area bigger and inclined guide surface can be formed, raw material can be squeezed out after sealing spur and cone tank contact
And it is close to.
In conclusion the present invention has the following advantages：
1, it is that a plurality of template slitting increases the spacing between half bore, make side wall by sliding template slitting by middle template-setup
It is upper that there is raised sealing ring can easily demould；
2, it is positioned by the grafting between positioning column and location hole between middle template and lower template, in molding, positioning column will be inserted
Enter location hole, template slitting is made mutually to be close to realize positioning automatically, in demoulding, positioning column will be disengaged from location hole, and template slitting is then
Automatically terminate positioning；
3, flash groove is offered in cope plate and lower template, extra sizing material is facilitated to flow out in time, ensure that product quality is stablized.
Description of the drawings
Structural schematic diagram when Fig. 1 is the present embodiment molding；
Fig. 2 is the configuration schematic diagram of the present embodiment；
Fig. 3 is the structural schematic diagram of cope plate in the present embodiment；
Fig. 4 is the structural schematic diagram of middle template in the present embodiment.
Reference sign：1, cope plate；2, middle template；3, lower template；4, upper mold disc；5, lower die disc；6, product
Cavity；7, hole post；8, spur is sealed；9, cone tank；10, briquetting；11, middle frame；12, template slitting；13, slideway；14, half
Hole；15, flash groove；16, bulge loop；17, fixing bolt；18, positioning column；19, location hole；20, cover slot is sealed；21, hole is prized；22、
Mold block；23, slot is molded；24, column is molded；25, binder slot.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment, a kind of making mold of sealing ring are mounted on vulcanizing press as shown in Figure 1, 2.Including from top to bottom
Cope plate 1, middle template 2 and the lower template 3 set gradually.
The step of mold processing sealing ring includes that lower template 3 and middle template 2 are bonded；It is added in the cavity of middle template 2 former
Material；Cope plate 1, middle template 2,3 three layers of lower template fit, and heating and mould pressing is carried out to raw material.It reaches after specifying duration, has been molded
Finish molding sealing ring middle template 2 will be followed to be detached between cope plate 1 and lower template 3, finally therefrom on mold will sealing
Circle is removed.
Specifically, as shown in Figure 2,3, several upper mold discs 4 being evenly distributed on cope plate 1, is uniformly divided in middle template 2
It is furnished with several product cavities 6, several lower die discs 5 is evenly distributed in lower template 3.Wherein upper mold disc 4, product cavity
6 and 5 three of lower die disc correspond.When molding, corresponding upper mold disc 4 covers the upper end for being connected to product cavity 6, under corresponding
Mould disc 5 covers the lower end for being connected to product cavity 6, constitutes the mould pressing cavity of molding sealing ring.
In addition, as shown in Figure 2,3, the integral middle of upper mold disc 4 is connected with hole post 7, and the bottom of hole post 7 is provided with sealing
Spur 8, upper mold disc 4 correspond to 7 position of hole post and are provided with the cone tank 9 being inserted into for sealing spur 8.Seal spur 8 and cone tank 9
Match the inner circle for molded sealing ring.Due to sealing connection of the connection of spur 8 and cone tank 9 between plane,
Contact area bigger and inclined guide surface can be formed, raw material can be squeezed out simultaneously after sealing spur 8 and cone tank 9 contact
And it is close to.
Specifically, as shown in figure 3, the middle part protrusion of 1 lower face of cope plate is provided with several length in both ends for arc-shaped
The briquetting 10 of bar shaped, the quantity of briquetting 10 is 6 in the present embodiment.6 briquettings 10 are along the side of straight line where the width of briquetting 10
To being uniformly distributed, and certain gap is provided between adjacent briquetting 10.Upper mold disc 4 is uniform along the length direction of briquetting 10
It arranges, quantity evenly distributed on a briquetting 10 is eight in the present embodiment.
As shown in figure 4, middle template 2 includes middle frame 11 and seven template slittings 12.Whole middle frame 11 is in middle part hollow out
Contraband shape；In molding, lower template 3 can be embedded in middle frame 11.It is provided perpendicular to press on the inner wall of 11 both sides of middle frame
The slideway 13 of 10 length direction of block.Template slitting 12 slides in slideway 13, and template slitting 12 is adjacent template slitting 12
Several half bore 14 are offered on long side along its length, i.e., are opened on the long side of the inside of the two of both sides template slitting 12
Equipped with half bore 14, the long side of the both sides of remaining five template slitting 12 offers half bore 14.The position of half bore 14 and list
4 position of upper mold disc of a briquetting 10 corresponds, and is also eight in the present embodiment.In conjunction with Fig. 2, in adjacent template slitting 12
Half bore 14, constitute product cavity 6 after the fitting of template slitting 12.Protrusion is provided on the inner wall of product cavity 6, therefore logical
Crossing the side wall molding of 6 molding sealing ring of product cavity will be recessed inwardly, and be not easy directly to demould from product cavity 6.This implementation
In example, protrusion is two bulge loops 16 radially arranged along product cavity 6.
As shown in figure 4, in addition, upper surface constitutes the binder slot being pressed into for briquetting 10 after adjacent template slitting 12 is bonded
25, sled hole 21 is provided between the both sides of adjacent template slitting 12.Because the position of binder slot 25 is less than the upper surface of middle mould,
Therefore it can prevent the raw material in binder slot 25 from flowing to other positions, ensure there are enough raw materials in product cavity 6.Simultaneously
Molding sealing block and seal groove form one piece of molded areas, for the upper mold of pure-surface, sizing material be easier be pressurized and
Full of cavity.If adjacent template slitting 12 still keeps fitting in demoulding, staff can be by the way that skid plate to be inserted into
It prizes in hole 21, is separated convenient for template slitting 12.
If therefore demoulding sealing ring from direct products cavity 6, sealing ring will be generated compared with large deformation, and sealing ring is made to be easy out
It splits.Therefore by slide template slitting 12 two half bore 14 are combined into a product cavity 6, molding to sealing ring carry out at
Type.One complete product cavity 6 is split into two half bore 14, after sealing ring molding, makes sealing ring from two half bore 14
Between gap in fall.
As shown in figure 4, offering mounting hole on the upper surface of slideway 13 on middle frame 11, mounting hole is correspondingly arranged in one
The location of when the outermost template slitting 12 in side molds, by installing fixing bolt 17 in mounting hole by template slitting 12
Fixed, remaining template slitting 12 by being close to fixed template slitting 12 successively.It is convenient in the case where not influencing demoulding
Template slitting 12 is positioned in molding.
As shown in Figure 2,3, lower die disc 5 is arranged at the middle part of lower template 3, opposite one by one respectively with 4 position of upper mold disc
It answers, is arranged in six row, eight row.Due to template slitting 12 can Relative sliding, in order to ensure corresponding lower die disc 5 and product type
Chamber 6, in molding, position, which is stablized, corresponds to.It is provided between lower template 3 and template slitting 12 in lower template 3 and the fitting of middle template 2
When make detent mechanism that adjacent template slitting 12 is bonded.
Specifically, as shown in Fig. 2, detent mechanism include be set to the location hole 19 of 12 length direction both sides of template slitting with
And it is set to the positioning column 18 being correspondingly arranged respectively with location hole 19 in lower template 3.Therefore it is pasted in middle template 2 and lower template 3
When conjunction, positioning column 18 will be inserted into location hole 19, and the location hole 19 of 12 both sides of template slitting is socketed on positioning column 18 flat
It is positioned on face, and adjacent 12 phase of template slitting is close to.And in demoulding, it is mutually remote between lower template 3 and middle template 2
It is detached from location hole 19 from, positioning column 18, can automatically terminate and be close to position between template slitting 12.
Further, as shown in Figure 2,3, tapered, the taper on positioning column 18 so that positioning column is set on positioning column 18
The outer diameter of 18 upper end can be less than the aperture of location hole 19, easily facilitate positioning column 18 and be inserted into location hole 19.It is right on cope plate 1
It answers and is both provided with sealing cover slot 20 on 18 position of positioning column.In molding, 18 upper end of positioning column is pierced by location hole 19, sealing cover
The lid of slot 20 is connected on 18 upper end of positioning column.Seal the connection between cover slot 20 and positioning column 18, realize cope plate 1 and lower template 3 it
Between positioning.To realize the positioning between cope plate 1, middle template 2 and lower template 3 comprehensively, ensure that position is accurate when molding.
In addition, as shown in Figure 2,3, when being molded between cope plate 1, middle template 2 and lower template 3 to reduce, because of air
Compress the resistance generated.Flash groove 15 is offered in cope plate 1 and lower template 3.Wherein, the flash groove 15 of cope plate 1 opens up
The both sides of the face of cope plate 1 are communicated between adjacent briquetting 10 and across adjacent sealing cover slot 20, lower template 3
Flash groove 15 is opened between two adjacent row lower die discs 5 and is communicated in lower template 3 across adjacent positioning column 18
Both sides of the face.Flash groove 15 is other than discharge air reduces air pressure, and extra raw material can also be flowed out from flash groove 15.
Further, as shown in Figure 2,3, in order to further enhance the stability molded between cope plate 1 and lower template 3,
Lower template 3 molds block 22 in protruding upward be provided in the both sides of 18 orientation of positioning column, molds and offers molding slot on block 22
23, and protruded above in 23 position of the correspondence molding slot of cope plate 1 and be provided with the molding column 24 for being matched with molding slot 23.
Mold processes sealing ring step：
1, lower template 3 and middle template 2 are bonded, and positioning column 18 is inserted into location hole 19 so that 12 quilt of template slitting in middle template 2
Fixation fits, and the half bore 14 in adjacent forms slitting 12 is made to connect and compose product cavity 6；
2, raw material is added in the chamber that lower die disc 5 and product cavity 6 are formed；
3, cope plate 1, middle template 2 and lower template 3 are molded so that sealing cover slot 20 covers the upper end for being connected on positioning column 18, molding
Column 24 is plugged in molding slot 23, and heating and mould pressing is carried out to the raw material in lower die disc 5, product cavity 6 and upper mold disc 4；
4, it reaches after specifying duration, middle template 2 is detached between cope plate 1 and lower template 3；Positioning column in location hole 19 at this time
It is detached from 18, template slitting 12, which releases, to be fixed；
5, Relative sliding template slitting 12 so that sealing ring is detached from from the gap of adjacent forms slitting 12, completes demoulding.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, all design structures in the present invention
Within think of, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of making mold of sealing ring, including cope plate (1), middle template (2) and lower template (3), it is characterised in that：It is described
Middle template (2) includes middle frame (11) and horizontal sliding in several template slittings (12) on the middle template (2), the template
The sidewall extension degree direction of slitting (12) offers several half bore (14), half bore (14) group of the adjacent template slitting (12)
Close the product cavity (6) for constituting compression molding sealing ring；It is provided with described between the lower template (3) and template slitting (12)
Lower template (3) and middle template (2) make the detent mechanism that the adjacent template slitting (12) is bonded when being bonded.
2. the making mold of sealing ring according to claim 1, it is characterised in that：It is provided on the middle frame (11) solid
Determine the fixed mechanism of the outermost template slitting (12) in side.
3. the making mold of sealing ring according to claim 1, it is characterised in that：The detent mechanism includes being fixed on institute
It states the positioning column (18) for the corresponding position for corresponding to the template slitting (12) in lower template (3) and is set to the template slitting
(12) location hole (19) of the confession of the length direction both sides positioning column (18) grafting.
4. the making mold of sealing ring according to claim 3, it is characterised in that：It is provided with cone on the positioning column (18)
Degree.
5. the making mold of sealing ring according to claim 1, it is characterised in that：The adjacent template slitting (12) it
Between be provided with sled hole (21).
6. the making mold of sealing ring according to claim 3, it is characterised in that：Corresponding positioning on the cope plate (1)
The sealing cover slot (20) that the lid in molding is connected on the positioning column (18) upper end is provided on column (18) position.
7. the making mold of sealing ring according to claim 1, it is characterised in that：The cope plate (1) and lower template (3)
On offer flash groove (15).
8. the making mold of sealing ring according to claim 1, it is characterised in that：The adjacent template slitting (12) patch
Upper surface constitutes binder slot (25) after conjunction, and the pressure that the binder slot is inserted into molding is wholely set on the cope plate (1)
Block (10).
9. the making mold of sealing ring according to claim 1, it is characterised in that：The corresponding production of the cope plate (1)
Hole post (7) is provided in the middle part of product cavity (6), the bottom of the hole post (7) is provided with sealing spur (8), the lower template (3)
Corresponding hole post (7) position is provided with the cone tank (9) being inserted into for sealing spur (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126551.0A CN108381843B (en) | 2018-02-08 | 2018-02-08 | Manufacturing mold for sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126551.0A CN108381843B (en) | 2018-02-08 | 2018-02-08 | Manufacturing mold for sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108381843A true CN108381843A (en) | 2018-08-10 |
| CN108381843B CN108381843B (en) | 2020-10-13 |
Family
ID=63074563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810126551.0A Active CN108381843B (en) | 2018-02-08 | 2018-02-08 | Manufacturing mold for sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108381843B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959567A (en) * | 2021-01-18 | 2021-06-15 | 杨慧 | O type rubber seal apparatus for producing based on expansion vulcanization mould utensil |
| CN113320055A (en) * | 2021-05-19 | 2021-08-31 | 上海航天化工应用研究所 | Forming die of aircraft control surface front edge heat-proof material |
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| CN107283745A (en) * | 2017-07-07 | 2017-10-24 | 安徽宁国中鼎模具制造有限公司 | A kind of half slide structure class injection molding |
| CN206623270U (en) * | 2017-03-02 | 2017-11-10 | 上海耘奇汽车部件有限公司 | A kind of dust cover Semiautomatic demolding mould |
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| US4558499A (en) * | 1982-06-14 | 1985-12-17 | Acushnet Company | Method of making a mold frame |
| CN203650751U (en) * | 2013-10-01 | 2014-06-18 | 河北宝硕管材有限公司 | Mold for manufacturing rubber to-be-detected sample |
| CN203844046U (en) * | 2014-06-04 | 2014-09-24 | 衡水中铁建工程橡胶有限责任公司 | Rubber sealing ring mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959567A (en) * | 2021-01-18 | 2021-06-15 | 杨慧 | O type rubber seal apparatus for producing based on expansion vulcanization mould utensil |
| CN112959567B (en) * | 2021-01-18 | 2022-06-21 | 苏州亚田新材料科技有限公司 | O type rubber seal apparatus for producing based on expansion vulcanization mould utensil |
| CN113320055A (en) * | 2021-05-19 | 2021-08-31 | 上海航天化工应用研究所 | Forming die of aircraft control surface front edge heat-proof material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108381843B (en) | 2020-10-13 |
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