CN103085277A - Sealing strip corner joint method and mold - Google Patents
Sealing strip corner joint method and mold Download PDFInfo
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- CN103085277A CN103085277A CN2011103415826A CN201110341582A CN103085277A CN 103085277 A CN103085277 A CN 103085277A CN 2011103415826 A CN2011103415826 A CN 2011103415826A CN 201110341582 A CN201110341582 A CN 201110341582A CN 103085277 A CN103085277 A CN 103085277A
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Abstract
The invention discloses a sealing strip corner joint method and a sealing strip corner joint mold. According to the method, sealing strips are subjected to corner bonding by using a special-purposed mold. The special-purposed mold comprises a lower mold arranged on a mold press work bench and an upper mold arranged on a slide block on the mold press. A plastic injection hole is provided on the top of the upper mold. An outer mold formed by a bottom mold, a middle mold, and a top mold is arranged on the lower mold. An inner mold formed by an inner middle mold and a mold core is also arranged on the lower mold. Through the plastic injection hole on the top of the upper mold, plastic liquid is injected into a mold cavity defined by the lower mold, the upper mold, the outer mold, and the inner mold, and two straight sealing strips are bonded into a sealing strip with a corner. The method provided by the invention is easy to operate, the processing is easy, and preparation cost is low. The method and the mold are especially suitable for bonding works of sealing strips with cross sections with complicated shapes. The bonding effect is good, and bonding quality is effectively ensured.
Description
Technical field
The present invention relates to a kind of corner coupling head method and mould of sealing strip, belong to the processing tool technical field of rubber weather strip.
Background technology
When two straight sealing strips are connected into the corner sealing strip, need to use mould with glue, two to be bonded together.Many sealing strips are arranged on automobile, wherein the cross sectional shape of some sealing strip is comparatively complicated, it is the sealing strip of G shape if any a kind of cross sectional shape, the profile of its outer surface and inner surface is all comparatively complicated, particularly interior profile is a kind of profile of packaging type, young inner chamber is large, adopts common mould can't guarantee quality of connection, therefore need to have a kind of particular manufacturing craft to carry out bonding to it.
Summary of the invention
The object of the invention is to, a kind of corner coupling head method and mould of sealing strip is provided, to solve the connectivity problem of the special G shape sealing strip of shape, guarantee quality of connection, thereby overcome the deficiencies in the prior art.
Technical scheme of the present invention
A kind of corner coupling head method of sealing strip, the method is as the bottom surface benchmark with plane on counterdie, with the bed die of external mold as the side direction benchmark, then middle mould and the backform with external mold stacks gradually on bed die, and carries out pre-determined bit by the ball stud on bed die and the locating hole centering mould and the backform that are located on middle mould and backform; Draw close to external mold by gear driven tooth bar promotion internal mold again internal mold is carried out pre-determined bit; Under die opening state, two straight sealing strips are inserted in the gap on external molds and internal mold two limits, then start the moulding press matched moulds; By patrix, the middle mould of external mold and backform and internal mold are carried out final accurate location in the matched moulds process; Inject glue by the hole for injecting glue at patrix top in the die cavity that is surrounded by counterdie, patrix, external mold and internal mold at last, two bonding one-tenth of straight sealing strip are had the sealing strip of corner.
In the corner coupling head method of aforementioned sealing strip, describedly carry out pre-determined bit by the ball stud centering mould on bed die and backform; Be at bed die, ball stud to be set, on middle mould and backform, locating hole be set, ball stud and locating hole matched in clearance; Making has certain activity surplus to realize pre-determined bit between mould and backform and bed die.
In the corner coupling head method of aforementioned sealing strip, described drawing close to external mold by gear driven tooth bar promotion internal mold carried out pre-determined bit to internal mold; Be to be provided with connecting key on tooth bar, be provided with keyhole on internal mold, keyhole and connecting key matched in clearance are for last accurate location reserves surplus; Simultaneously also be provided with lead-in chamfered on the core of internal mold, so that sealing strip inserts in the gap on external mold and internal mold two limits smoothly.
In the corner coupling head method of aforementioned sealing strip, describedly by patrix, the middle mould of external mold and backform and internal mold are carried out final accurate location; Be in the bottom surface of patrix, taper bolt to be set, on middle mould and backform, conical bore be set, accurately locate by taper bolt and conical bore centering mould and backform; In the bottom surface of patrix, the pyramid lock dog is set, the inclined-plane breach is set on internal mold, by pyramid lock dog and inclined-plane breach, internal mold is accurately located; And prevent when injecting glue internal mold spreading backward.
In the corner coupling head method of aforementioned sealing strip, described internal mold is combined by interior middle mould and the core that is hinged on interior middle mould both sides, and after die sinking, core can upwards overturn take pin joint as fulcrum, and the convenient sealing strip that will process breaks away from from mould and takes out.
According to the corner coupling head method of aforementioned sealing strip mould used, comprise the counterdie that is arranged on the moulding press workbench and the patrix that is arranged on the moulding press top shoe; The patrix top is provided with hole for injecting glue; Counterdie is provided with external mold and internal mold; External mold comprises the bed die that stacks gradually connection, middle mould and backform; Bed die is provided with ball stud, and middle mould and backform are provided with locating hole; Internal mold is provided with keyhole, and connecting key on keyhole and tooth bar is flexibly connected, and tooth bar is connected with gear drive on counterdie; The patrix bottom surface is provided with taper bolt and pyramid lock dog; Middle mould and backform are provided with the conical bore corresponding with taper bolt; Internal mold is provided with the inclined-plane breach corresponding with the pyramid lock dog.
In aforementioned mould, the ball stud external diameter on described bed die is less than the internal diameter of locating hole on middle mould and backform.
In aforementioned mould, described internal mold comprises interior middle mould and core, and core and interior middle mould both sides are hinged; In interior, mould is provided with keyhole, and the chute on interior middle mould and counterdie is slidably connected, and the connecting key on keyhole and chute inner rack is flexibly connected simultaneously.
In aforementioned mould, described keyhole is rectangular opening, and connecting key is square key; The length of keyhole is greater than connecting key length.
In aforementioned mould, described counterdie is provided with spacer pin, and spacer pin is arranged in the edge of mould both sides counterdie.
Owing to having adopted technique scheme, the present invention compared with prior art, the present invention has following beneficial effect:
1, upper and lower mould is provided with the clamping step and screw hole is convenient to mould is fixed on the top shoe or workbench of moulding press.And can each module be connected into one by the pyramid lock dog on patrix and taper bolt, make it accurate location; And prevent that by the inclined-plane breach close contact on the pyramid lock dog on patrix and interior middle mould weatherstrip body is reversed when the injecting glue; To guarantee quality of connection;
2, be provided with ball stud on bed die, make middle mould and backform easily put into mould, certain gap is arranged again before matched moulds; Be provided with simultaneously long lead-in chamfered on core, be convenient to the insert-seal bar; And by being slidably connected and by tooth bar, gear drive, sealing strip being fixed in die cavity reliably between internal mold and counterdie, prevent that sealing strip from producing folding or crimping, to guarantee quality of connection.
3, adopt connecting key to be flexibly connected between interior middle mould and tooth bar, and mould smooth sliding in the chute of counterdie in driving by gear, rack-driving, particularly connect key length less than the length of keyhole on interior middle mould, can make sealing strip carry out pre-determined bit, the inclined-plane breach that does not affect again on the interior middle mould of pyramid lock dog promotion on patrix is accurately located; Need not take out interior middle mould and core during the demoulding, as long as transmitting gear makes interior middle mould can take out sealing strip away from external mold.
4, interior middle mould becomes hinge type to connect with core designs, as long as dig core during the demoulding, just sealing strip can be broken away from core smoothly.
5, external mold is combined by bed die, middle mould and backform, can reduce difficulty of processing, reduces processing cost, also is convenient to fill mould.
Method of the present invention is easy to operate, and equipment therefor is simple in structure, easily processing, and cost of manufacture is low.Be particularly suitable for the complex-shaped sealing strip of pair cross-section and carry out bonding operation, adhesive effect is good.Effectively guaranteed bonding quality.
Description of drawings
Fig. 1 is the structural representation of equipment therefor of the present invention;
Schematic diagram when Fig. 2 is the dress mould;
Fig. 3 is the schematic diagram after matched moulds;
Schematic diagram when Fig. 4 is die sinking;
Schematic diagram when Fig. 5 is the demoulding.
Being labeled as in accompanying drawing: 1-counterdie, 2-patrix, 3-hole for injecting glue, 4-bed die, mould in 5-, 6-backform, 7-ball stud, 8-locating hole, the 9-tooth bar, 10-connecting key, 11-gear, 12-taper bolt, 13-pyramid lock dog, 14-conical bore, 15-inclined-plane breach, mould in 16-, 17-core, 18-handle, the 19-spacer pin, 20-sealing strip, 21-gap.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples, but not as the foundation to the present invention's restriction.
Embodiment.
A kind of corner coupling head method of sealing strip, as shown in Figure 1.The method is as the bottom surface benchmark with plane on counterdie 1, with the bed die 4 of external mold as the side direction benchmark, then middle mould 5 and the backform 5 with external mold stacks gradually on bed die 4, and carries out pre-determined bit by the ball stud 7 on bed die 4 and locating hole 8 centering moulds 5 and the backform 6 that is located on middle mould 5 and backform 6; Draw close to external mold by gear 11 band carry-over bars 9 promotion internal molds again internal mold is carried out pre-determined bit; Under die opening state, two straight sealing strips 20 are inserted in the gap on external molds and internal mold two limits, then start the moulding press matched moulds; Middle mould 5 by 2 pairs of external molds of patrix in the matched moulds process and backform 6 and internal mold carry out final accurate location; Inject glue by the hole for injecting glue 3 at patrix 2 tops in the die cavity that is surrounded by counterdie 1, patrix 2, external mold and internal mold at last, two bonding one-tenth of straight sealing strip 20 are had the sealing strip of corner.Describedly carry out pre-determined bit by ball stud 7 centering moulds 5 and backform 6 on bed die 4; Be at bed die 4, ball stud 7 to be set, on middle mould 5 and backform 6, locating hole 8 be set, ball stud 7 and locating hole 8 matched in clearance; Making has certain activity surplus to realize pre-determined bit between mould 5 and backform 6 and bed die 4.
As Fig. 2 and shown in Figure 4, described drawing close to external mold by gear 11 band carry-over bars 9 promotion internal molds carried out pre-determined bit to internal mold; Be to be provided with connecting key 10 on tooth bar 9, be provided with keyhole on internal mold, keyhole and connecting key 10 matched in clearance, connecting key 10 can produce gap 21, for last accurate location reserves surplus between the keyhole on connecting key 10 rear ends and internal mold when promoting internal mold; Simultaneously also be provided with lead-in chamfered on the core 17 of internal mold, so that sealing strip inserts in the gap on external mold and internal mold two limits smoothly.
Described middle mould 5 and backform 6 and internal mold by 2 pairs of external molds of patrix carries out final accurate location; Be in the bottom surface of patrix 2, taper bolt 12 to be set, on middle mould 5 and backform 6, conical bore 14 be set, accurately locate by taper bolt 12 and conical bore 14 centering moulds 5 and backform 6; As shown in Figure 3, in the bottom surface of patrix 2, pyramid lock dog 13 is set, inclined-plane breach 15 is set on internal mold, accurately locate by pyramid lock dog 13 and 15 pairs of internal molds of inclined-plane breach; Behind the location, gap 21 can be produced between the keyhole on connecting key 10 front ends and internal mold, internal mold spreading backward can be prevented when injecting glue.
As shown in Figure 5, described internal mold is combined by interior middle mould 16 and the core 17 that is hinged on interior middle mould 16 both sides, and after die sinking, core 17 can upwards overturn take pin joint as fulcrum, and the convenient sealing strip that will process breaks away from from mould and takes out.
The corner coupling head method mould used of aforementioned sealing strip comprises the counterdie 1 that is arranged on the moulding press workbench and the patrix 2 that is arranged on the moulding press top shoe; Patrix 2 tops are provided with hole for injecting glue 3; Counterdie 1 is provided with external mold and internal mold; External mold comprises the bed die 4 that stacks gradually connection, middle mould 5 and backform 6; Bed die 4 is provided with ball stud 7, and middle mould 5 and backform 6 are provided with locating hole 8; Ball stud 7 external diameters on bed die 4 are less than the internal diameter of locating hole 8 on middle mould 5 and backform 6.Internal mold is provided with keyhole, and the connecting key 10 on keyhole and tooth bar 9 is flexibly connected, and keyhole is rectangular opening, and connecting key 10 is square key; The length of keyhole is greater than the length of connecting key 10.Gear 11 on tooth bar 9 and counterdie 1 is in transmission connection; Patrix 2 bottom surfaces are provided with taper bolt 12 and pyramid lock dog 13; Middle mould 5 and backform 6 are provided with the conical bore corresponding with taper bolt 12 14; Internal mold is provided with the inclined-plane breach 15 corresponding with pyramid lock dog 13.Described internal mold comprises interior middle mould 16 and core 17, core 17 and the interior middle mould 16 hinged (see figure 5)s in both sides; In interior, mould 16 is provided with keyhole, and the chute on interior middle mould 16 and counterdie 1 is slidably connected, and the connecting key on keyhole and chute inner rack 9 10 is flexibly connected simultaneously.Described counterdie 1 is provided with spacer pin 19, and spacer pin 19 is arranged in the edge of mould 16 both sides counterdies 1.
Specific operation process of the present invention such as Fig. 2 are extremely shown in Figure 5,
Fig. 2 is the schematic diagram of dress during mould, starts molding press, and patrix is risen, and middle mould 5 and backform 6 are successively placed on bed die 4, and during placement, on middle mould 5 and backform 6, locating hole 8 is through on ball stud 7 on bed die 4 and carries out pre-determined bit.Then turning handle 18, promote internal mold by gear, tooth bar and draw close to external mold, then two straight sealing strips inserted mould from the gap location between internal mold and external mold.
Fig. 3 is the schematic diagram after matched moulds; during matched moulds; the top shoe of molding press drives patrix 2 and moves down simultaneously; after matched moulds puts in place; the inclined-plane breach that pyramid lock dog 13 on patrix 2 heads on internal mold presses to external mold; simultaneously the taper bolt 12 on patrix 2 also closely is connected with conical bore 14 on backform is connected with middle mould 5, makes all modules all be in final accurate location.
Then pour into a mould, do not draw.Glue is injected in the die cavity that is surrounded by counterdie 1, patrix 2, external mold and core 17 from the hole for injecting glue 3 at patrix top, carry out die sinking after firm until glue and sealing strip are fully bonding.
Schematic diagram when Fig. 4 is die sinking; during die sinking; the top shoe of molding press drives patrix 2 and moves up simultaneously; because backform 6 and middle mould 5 is the gap pre-determined bit with bed die 4; keyhole and the connecting key 10 on tooth bar 9 due to interior middle mould 16 is flexibly connected for the gap again; so under the elastic force effect of sealing strip 20, backform 6, middle mould 5 and core 17 outwards open automatically, separate with sealing strip 20.
Then schematic diagram when Fig. 5 is the demoulding pulls handle 18 swing pinions 11, makes internal mold away from external mold, the core 17 on internal mold is upwards overturn take off the sealing strip of bonding one-tenth corner configurations, completes a working cycle process.
Claims (10)
1. the corner coupling head method of a sealing strip, it is characterized in that: the method is as the bottom surface benchmark with plane on counterdie, with the bed die of external mold as the side direction benchmark, then middle mould and the backform with external mold stacks gradually on bed die, and carries out pre-determined bit by the ball stud on bed die and the locating hole centering mould and the backform that are located on middle mould and backform; Draw close to external mold by gear driven tooth bar promotion internal mold again internal mold is carried out pre-determined bit; Under die opening state, two straight sealing strips are inserted in the gap on external molds and internal mold two limits, then start the moulding press matched moulds; By patrix, the middle mould of external mold and backform and internal mold are carried out final accurate location in the matched moulds process; Inject glue by the hole for injecting glue at patrix top in the die cavity that is surrounded by counterdie, patrix, external mold and internal mold at last, two bonding one-tenth of straight sealing strip are had the sealing strip of corner.
2. the corner coupling head method of sealing strip according to claim 1 is characterized in that: describedly carry out pre-determined bit by the ball stud centering mould on bed die and backform; Be at bed die, ball stud to be set, on middle mould and backform, locating hole be set, ball stud and locating hole matched in clearance; Making has certain activity surplus to realize pre-determined bit between mould and backform and bed die.
3. the corner coupling head method of sealing strip according to claim 1 is characterized in that: describedly promote internal mold by the gear driven tooth bar and draw close to external mold internal mold is carried out pre-determined bit; Be to be provided with connecting key on tooth bar, be provided with keyhole on internal mold, keyhole and connecting key matched in clearance are for last accurate location reserves surplus; Simultaneously also be provided with lead-in chamfered on the core of internal mold, so that sealing strip inserts in the gap on external mold and internal mold two limits smoothly.
4. the corner coupling head method of sealing strip according to claim 1 is characterized in that: describedly by patrix, the middle mould of external mold and backform and internal mold are carried out final accurate location; Be in the bottom surface of patrix, taper bolt to be set, on middle mould and backform, conical bore be set, accurately locate by taper bolt and conical bore centering mould and backform; In the bottom surface of patrix, the pyramid lock dog is set, the inclined-plane breach is set on internal mold, by pyramid lock dog and inclined-plane breach, internal mold is accurately located; And prevent when injecting glue internal mold spreading backward.
5. the corner coupling head method of sealing strip according to claim 1, it is characterized in that: described internal mold is combined by interior middle mould and the core that is hinged on interior middle mould both sides, after die sinking, core can upwards overturn take pin joint as fulcrum, and the convenient sealing strip that processes is broken away from from mould takes out.
6. the corner connector mould of a sealing strip comprises the counterdie (1) that is arranged on the moulding press workbench and is arranged on patrix (2) on the moulding press top shoe; Patrix (2) top is provided with hole for injecting glue (3); It is characterized in that: counterdie (1) is provided with external mold and internal mold; External mold comprises the bed die (4) that stacks gradually connection, middle mould (5) and backform (6); Bed die (4) is provided with ball stud (7), and middle mould (5) and backform (6) are provided with locating hole (8); Internal mold is provided with keyhole, and the connecting key (10) on keyhole and tooth bar (9) is flexibly connected, and the gear (11) on tooth bar (9) and counterdie (1) is in transmission connection; Patrix (2) bottom surface is provided with taper bolt (12) and pyramid lock dog (13); Middle mould (5) and backform (6) are provided with the conical bore (14) corresponding with taper bolt (12); Internal mold is provided with the inclined-plane breach (15) corresponding with pyramid lock dog (13).
7. the corner connector mould of sealing strip according to claim 6 is characterized in that: ball stud (7) external diameter on described bed die (4) is less than the internal diameter of middle mould (5) and the upper locating hole (8) of backform (6).
8. the corner connector mould of sealing strip according to claim 6, it is characterized in that: described internal mold comprises interior middle mould (16) and core (17), core (17) is hinged with interior middle mould (16) both sides; In interior, mould (16) is provided with keyhole, and the chute on interior middle mould (16) and counterdie (1) is slidably connected, and the connecting key (10) on keyhole and chute inner rack (9) is flexibly connected simultaneously.
9. the corner connector mould of sealing strip according to claim 8, it is characterized in that: described keyhole is rectangular opening, connecting key (10) is square key; The length of keyhole is greater than the length of connecting key (10).
10. the corner connector mould of sealing strip according to claim 6, it is characterized in that: described counterdie (1) is provided with spacer pin (19), and spacer pin (19) is arranged in the edge of mould (16) both sides counterdies (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103415826A CN103085277A (en) | 2011-11-02 | 2011-11-02 | Sealing strip corner joint method and mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103415826A CN103085277A (en) | 2011-11-02 | 2011-11-02 | Sealing strip corner joint method and mold |
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| CN103085277A true CN103085277A (en) | 2013-05-08 |
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| CN2011103415826A Pending CN103085277A (en) | 2011-11-02 | 2011-11-02 | Sealing strip corner joint method and mold |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707464A (en) * | 2013-12-30 | 2014-04-09 | 上海红阳密封件有限公司 | Sealing strip joint die with mechanism |
| CN104191572A (en) * | 2014-07-04 | 2014-12-10 | 宁波市祥路汽车部件有限公司 | Demolding mechanism of rear door corner mold of automobile door strip |
| CN104786430A (en) * | 2015-04-02 | 2015-07-22 | 宁海建新自动化设备有限公司 | Injection mold for splicing of automobile rubber seal strips |
| CN109648858A (en) * | 2018-12-27 | 2019-04-19 | 萨固密（中国）投资有限公司 | A kind of weather strip for automobile connects angle mold |
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| CN201525130U (en) * | 2009-05-31 | 2010-07-14 | 无锡井上华光汽车部件有限公司 | Window sealing strip joining angle die |
| CN202278746U (en) * | 2011-11-02 | 2012-06-20 | 贵州贵航汽车零部件股份有限公司 | Corner connector mould of sealing strip |
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| CN2153450Y (en) * | 1993-04-02 | 1994-01-19 | 欧胜明 | Machine for fusion welding plastic door or window |
| JPH0924549A (en) * | 1995-07-11 | 1997-01-28 | Seibu Polymer Corp | Connecting method for water cut-off plate and apparatus used therefor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707464A (en) * | 2013-12-30 | 2014-04-09 | 上海红阳密封件有限公司 | Sealing strip joint die with mechanism |
| CN104191572A (en) * | 2014-07-04 | 2014-12-10 | 宁波市祥路汽车部件有限公司 | Demolding mechanism of rear door corner mold of automobile door strip |
| CN104786430A (en) * | 2015-04-02 | 2015-07-22 | 宁海建新自动化设备有限公司 | Injection mold for splicing of automobile rubber seal strips |
| CN109648858A (en) * | 2018-12-27 | 2019-04-19 | 萨固密（中国）投资有限公司 | A kind of weather strip for automobile connects angle mold |
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Application publication date: 20130508 |