CN112829307B - Sealing strip butt joint process and butt joint die thereof - Google Patents
Sealing strip butt joint process and butt joint die thereof Download PDFInfo
- Publication number
- CN112829307B CN112829307B CN202011637443.3A CN202011637443A CN112829307B CN 112829307 B CN112829307 B CN 112829307B CN 202011637443 A CN202011637443 A CN 202011637443A CN 112829307 B CN112829307 B CN 112829307B
- Authority
- CN
- China
- Prior art keywords
- die
- mould
- mounting hole
- sealing strip
- mold
- 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.)
- Active
Links
Images
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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
- B29C66/02242—Perforating or boring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seal Device For Vehicle (AREA)
Abstract
The invention belongs to the field of automobile sealing strip processing, and particularly discloses a sealing strip butt-joint die which comprises a left die and a right die, wherein the left die and the right die respectively comprise an upper die and a lower die, a cavity is formed in the opposite surfaces of the upper die and the lower die, the cavities of the upper die and the lower die are matched to form a mounting hole for a sealing strip joint to pass through, a groove is formed in the inner wall of the opposite side of the mounting hole, and the grooves of the left die and the right die are matched to form a containing groove. By adopting the scheme of the invention, the problem of insufficient connection strength can occur after butt joint.
Description
Technical Field
The invention belongs to the field of automobile sealing strip treatment, and particularly relates to a sealing strip butt joint process and a butt joint die thereof.
Background
At present, the two ends of a sealing strip are required to be connected after the sealing strip (a car door frame product) is processed, so that the sealing strip is annular, and the 'car sealing strip joint butt joint mould (application number 201020523972.6)' in Chinese patent discloses that the two ends of the sealing strip are processed through the butt joint mould, and meanwhile, a rubber sheet (a thin rubber sheet) is required to be arranged at the joint, so that the rubber sheet is fused with the end part of the sealing strip after being heated and vulcanized, and seamless butt joint is realized. According to the butt joint mode, due to the fact that the materials of the rubber sheet and the sealing strip are different, the problem of insufficient connection strength can occur after butt joint.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a sealing strip butt joint process and a butt joint mould thereof, which aim to solve the problem that the joint strength is possibly insufficient after butt joint.
In order to achieve the purpose, the invention adopts the following technical scheme:
sealing strip butt joint mould, including left side mould and right side mould, left side mould and right side mould all include mould and lower mould, and the one side that goes up mould and lower mould relative is equipped with the die cavity, and the die cavity of going up mould and lower mould cooperatees and constitutes the mounting hole that supplies the sealing strip to connect to pass, and one side inner wall that the mounting hole is relative all is equipped with the recess, and the one side that the recess of left side mould and right side mould is relative all opens and cooperatees and constitutes the holding tank.
Compared with the prior art, the invention has the following beneficial effects:
in the film was extruded into the recess, the heating back warp to vulcanize and fill in the holding tank that the recess on left side mould, right side mould is constituteed, and then forms the rib in the outside junction of sealing strip in other words, and the both ends of rib are located the both sides that the sealing strip connects respectively, improve the joint strength that the sealing strip connects.
The invention also provides the following technical scheme:
the sealing strip butt joint process uses a sealing strip butt joint die and comprises the following steps:
s1, penetrating die
Inserting two ends of the sealing strip into mounting holes of the left side die and the right side die respectively;
s2, placing the film
Preparing a film, wherein the size of the film can cover all the mounting holes on the left side die, and the film is provided with a first through hole which is respectively communicated with each mounting hole;
s3, heating
Closing the left side mold and the right side mold, heating the left side mold and the right side mold to 180-220 ℃;
s4, demolding
After completion of S3, the upper die is removed, and the sealing tape having the completed joint in the form of a ring can be taken out.
Compared with the prior art, the invention has the following beneficial effects:
set up first through-hole on the film, because the sealing strip is mostly the bubble tubulose, the film setting is in the joint department, and is equivalent to sealing up the original both ends of sealing strip promptly, leads to the sealing strip to receive the annular circumference circulation of the unable better edge sealing strip of extrusion back gas, especially is close to the position of sealing strip joint department and receiving the extrusion back, takes place the condition of gas blockage easily, and then leads to the car dynamics of closing the door to increase.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic overall structure diagram of the embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a left side mold; 2. a right side mold; 3. an upper die; 4. a lower die; 5. a film; 6. a second positioning pin; 7. a first through hole; 8. a first positioning hole; 9. a second positioning hole; 10. mounting holes; 11. a guide portion; 12. an edge blade; 13. installing a hole blade; 14. a blade set; 15. sinking a groove; 16. and (4) a groove.
Detailed Description
The invention is further described in detail below with reference to the accompanying drawings, and specific embodiments are given.
As shown in fig. 1, sealing strip butt joint mould, including left side mould 1 and right side mould 2, left side mould 1 and right side mould 2 all include mould 3 and lower mould 4, upward be equipped with the die cavity in the one side that mould 3 and lower mould 4 are relative, when going up mould 3 and lower mould 4 and laminating mutually, the die cavity of going up mould 3 and lower mould 4 cooperatees and constitutes the mounting hole 10 that is used for inserting the sealing strip, dock a plurality of sealing strips simultaneously for being convenient for, mounting hole 10 on left side mould 1, the right side mould 2 can set up the multiunit of mutually supporting, use fig. 1 as an example, then be provided with three groups in this embodiment. One side that the mounting hole 10 of left side mould 1, right side mould 2 carried on the back mutually all is equipped with flaring form guide part 11, through the setting of guide part 11, is convenient for the sealing strip insert in the mounting hole 10.
As shown in fig. 2, a blade group 14 is fixed to a surface of the right side mold 2 facing the left side mold 1 (in an actual machining process, the blade group 14 may also be fixed to a surface of the left side mold 1 facing the right side mold 2), the blade group 14 includes a mounting hole blade 13 and an edge blade 12, the shape of the mounting hole blade 13 is the same as that of the mounting hole 10, the mounting hole blade 13 includes two parts and is fixed to the upper mold 3 and the lower mold 4, the shapes of the two parts on the upper mold 3 and the lower mold 4 are the same as those of cavities on the upper mold 3 and the lower mold 4, and an extension of the mounting hole 10 is formed on an inner wall of the mounting hole blade 13. The edge blade 12 is fixed to the lower end edge of the upper die 3 or the upper end edge of the lower die 4, and in this embodiment, the edge blade 12 is fixed to the lower end edge of the upper die 3, and the edge blade 12 is fixed to the mounting hole blade 13 on the upper die 3, which is equivalent to a blade provided on the lower end edge of the upper die 3. The side of the right side die 2 facing the left side die 1 is also provided with a sinking groove 15, the depth of the sinking groove 15 is equal to the length of the mounting hole blade 13 extending out of the mounting hole 10, and the length of the mounting hole blade 13 is consistent with that of the edge blade 12.
Referring to fig. 3, a plurality of grooves 16 are formed in inner walls of one side of the left side die 1, which is opposite to the mounting hole blade 13 (the mounting hole 10 of the right side die 2 extends) of the left side die 1 and the right side die 2, the grooves 16 are formed in corners of the mounting hole 10, the depth of each groove 16 is 0.5mm, the width of each groove 16 is 1mm, the depth of each groove 16 specifically refers to the axial depression depth of each groove 16 far away from the mounting hole 10, and the width of each groove 16 specifically refers to the axial depression depth of each groove 16 along the mounting hole 10. When left side mould 1 and right side mould 2 pasted mutually, the recess 16 relative one side of left side mould 1 and right side mould 2 all opens and cooperatees and constitutes the holding tank.
A first positioning pin is fixed at the upper end of the lower die 4, a first positioning hole 8 matched with the first positioning pin is formed in the lower end of the upper die 3, a circular truncated cone-shaped guide head is arranged at the upper end of the first positioning pin, and the guide head is convenient to insert into the first positioning hole 8. The left side mould 1 is fixed with the second locating pin 6, and specifically, the second locating pin 6 can be fixed on the last mould 3 or the lower mould 4 of the left side mould 1, and in this embodiment, the second locating pin 6 is fixed on the last mould 3 of the left side mould 1, and the last mould 3 of the right side mould 2 is equipped with the second locating hole 9 that is used for cooperating with the second locating pin 6, and the one end of the second locating pin 6 towards the second locating hole 9 also is equipped with the direction head that is the round platform form.
The sealing strip butt joint process comprises the following steps:
s1, penetrating die
And (3) inserting two ends of the sealing strip into the mounting holes 10 of the left die 1 and the right die 2 respectively, wherein the left end part of the sealing strip and the left die 1 are flush towards the right end surface, and the right end part of the sealing strip and the end part of the mounting hole blade 13 of the right die 2 are flush. The upper die 3 can also be taken down, the sealing strip is inserted into the cavity of the lower die 4, and then the upper die 3 is installed, and the sealing strip can be inserted into the installation hole 10.
S2, placing the film 5
Preparing a film 5, wherein the film 5 has a size capable of covering all the mounting holes 10 on the left mold 1, and holes are formed in the film 5, specifically, three first through holes 7 are formed in the film 5 and respectively communicated with each mounting hole 10, that is, in the present embodiment, three first through holes 7 are formed, and a second through hole for matching with the second positioning pin 6 is formed in the film 5.
Hang film 5 through the second through-hole and establish left side mould 1 and paste mutually with the terminal surface of left side mould 1, three first through-hole 7 communicates with three mounting hole 10 respectively. Because the sealing strip is mostly the bubble tubulose, and film 5 sets up in the joint department, is equivalent to promptly sealed with the original both ends of sealing strip, leads to the sealing strip to receive the annular circumference circulation that the extrusion back is gaseous can't follow the sealing strip, takes place the condition of gaseous jam easily, and then leads to the car dynamics of closing the door to strengthen.
S3, heating
And (3) closing the left side mold 1 and the right side mold 2, namely, fitting the left side mold 1 and the right side mold 2 through the first positioning pin and the first positioning hole 8. In the process of closing the die, the blade group 14 extrudes and cuts the film 5, so that the shape of the film 5 is cut to be consistent with that of the mounting hole 10, and meanwhile, the edge blade 12 is matched with the mounting hole blade 13 to cut the film 5 into an upper part and a lower part, so that the residual film 5 can be conveniently taken down.
The left side die 1 and the right side die 2 are heated to 180-220 ℃ by selecting conventional heating methods such as electric heating and the like, and the rubber sheet 5 and the sealing strip are heated and vulcanized, so that the rubber sheet 5 and the sealing strip are fixed together to complete the joint. Film 5 is extruded in 16 in the recess and is warp the vulcanization and fill in the holding tank that 16 grooves on left side mould 1, right side mould 2 are constituteed, and then forms the rib in the outside of sealing strip equivalently, improves the joint strength that the sealing strip connects, and recess 16's size is less, and the rib size of avoiding forming is great, influences the subsequent use of sealing strip.
S4, demolding
After completion of S3, the upper die 3 is removed, and the seal strip having the completed joint in the form of a ring can be taken out.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. Sealing strip butt joint mould, including left side mould and right side mould, left side mould and right side mould all include mould and lower mould, and the one side that goes up mould and lower mould relative is equipped with the die cavity, and the die cavity of going up mould and lower mould cooperatees and constitutes the mounting hole that supplies the sealing strip to connect to pass, its characterized in that: grooves are formed in the inner wall of one side, opposite to the mounting hole, of the mounting hole, and the opposite sides of the grooves of the left side die and the right side die are opened and matched to form a containing groove; the recess is equipped with a plurality ofly, and the recess all is located the corner of mounting hole, and the degree of depth 0.5mm of recess, the width 1mm of recess.
2. The butt mold for sealing strips according to claim 1, wherein: the left side mould or the right side mould is provided with a blade group, the blade group comprises a mounting hole blade consistent with the contour of the mounting hole, the inner wall of the mounting hole blade forms the extension of the mounting hole, and the blade group also comprises an edge blade fixed on the edge of the upper mould or the lower mould.
3. The butt mold for sealing strips according to claim 1, wherein: one side of each mounting hole, which is back to back, is provided with a flaring-shaped guide part.
4. The butt mold for sealing strips according to claim 1, wherein: a first positioning pin is fixed at the upper end of the lower die, a first positioning hole matched with the first positioning pin is formed in the lower end of the upper die, and a circular truncated cone-shaped guide head is arranged at the upper end of the first positioning pin.
5. The butt mold for sealing strips according to claim 1, wherein: and a sinking groove for embedding the rubber sheet is formed in the left side die or the right side die.
6. The butt joint process of the sealing strip is characterized in that: use of the seal strip docking mould according to any of claims 1 to 5, comprising the steps of:
s1, penetrating die
Inserting two ends of the sealing strip into mounting holes of the left side die and the right side die respectively;
s2, placing the film
Preparing a film, wherein the size of the film can cover all the mounting holes on the left side die, and the film is provided with a first through hole which is respectively communicated with each mounting hole;
s3, heating
Closing the left side mold and the right side mold, heating the left side mold and the right side mold to 180-220 ℃;
s4, demolding
After completion of S3, the upper die is removed, and the sealing tape having the completed joint in the form of a ring can be taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011637443.3A CN112829307B (en) | 2020-12-31 | 2020-12-31 | Sealing strip butt joint process and butt joint die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011637443.3A CN112829307B (en) | 2020-12-31 | 2020-12-31 | Sealing strip butt joint process and butt joint die thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112829307A CN112829307A (en) | 2021-05-25 |
| CN112829307B true CN112829307B (en) | 2022-01-04 |
Family
ID=75927022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011637443.3A Active CN112829307B (en) | 2020-12-31 | 2020-12-31 | Sealing strip butt joint process and butt joint die thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112829307B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201848946U (en) * | 2010-09-04 | 2011-06-01 | 湖北诺克橡塑密封科技有限公司 | Automobile sealing strip connector butting mould |
| CN106945216A (en) * | 2017-03-29 | 2017-07-14 | 白品质 | Canvas rubber shoe one-step mould vulcanization forming method and shaping dies |
| CN206690433U (en) * | 2017-03-29 | 2017-12-01 | 白品质 | Canvas rubber shoe one-step mould curing metal mold |
| CN110193899A (en) * | 2019-05-21 | 2019-09-03 | 诺博橡胶制品有限公司 | Sealing strip docks mold |
| CN211054423U (en) * | 2019-10-18 | 2020-07-21 | 长沙永昌车辆零部件有限公司 | Automobile sealing strip slit butt joint die structure |
| CN212603523U (en) * | 2020-06-30 | 2021-02-26 | 上海红阳密封件有限公司 | Improved structure of sealing strip butt joint die |
-
2020
- 2020-12-31 CN CN202011637443.3A patent/CN112829307B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201848946U (en) * | 2010-09-04 | 2011-06-01 | 湖北诺克橡塑密封科技有限公司 | Automobile sealing strip connector butting mould |
| CN106945216A (en) * | 2017-03-29 | 2017-07-14 | 白品质 | Canvas rubber shoe one-step mould vulcanization forming method and shaping dies |
| CN206690433U (en) * | 2017-03-29 | 2017-12-01 | 白品质 | Canvas rubber shoe one-step mould curing metal mold |
| CN110193899A (en) * | 2019-05-21 | 2019-09-03 | 诺博橡胶制品有限公司 | Sealing strip docks mold |
| CN211054423U (en) * | 2019-10-18 | 2020-07-21 | 长沙永昌车辆零部件有限公司 | Automobile sealing strip slit butt joint die structure |
| CN212603523U (en) * | 2020-06-30 | 2021-02-26 | 上海红阳密封件有限公司 | Improved structure of sealing strip butt joint die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112829307A (en) | 2021-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103052494B (en) | Blow molding mould and the method for the production of the shaping plastic products of extruded blown | |
| CN210453847U (en) | Soft die cushion for forming I-shaped long purlin of composite material and forming die for I-shaped long purlin of composite material | |
| CN110539428B (en) | Preparation method of rubber sealing element and vulcanization mold thereof | |
| CN112829307B (en) | Sealing strip butt joint process and butt joint die thereof | |
| CN110480984B (en) | Method for manufacturing air inlet hole of bottle shell | |
| JPH11248044A (en) | Hollow grommet | |
| CN104108158A (en) | Air conditioner panel manufacturing method, air conditioner panel, air conditioner indoor unit, and air conditioner | |
| KR100384826B1 (en) | Apparatus and method for thermo-compressing of automotive weatherstrip | |
| CN114234541B (en) | Door seal structural member for refrigerator and welding processing method thereof | |
| CN114179396A (en) | Forming method and die suitable for irregular U-shaped composite material foam sandwich structural member | |
| CN111016218B (en) | Preparation method of composite material lifting lug and composite material lifting lug | |
| CN220219517U (en) | Rubber coating mould capable of controlling glue overflow | |
| CN108724780B (en) | Battery sealing element forming method | |
| JP2008006700A (en) | Molding method of weather strip and mold therefor | |
| CN221392213U (en) | Motorboat berth buoy blow molding mold with built-in steel pipe structure | |
| CN218857447U (en) | PE butt joint mould for sealing strip | |
| CN221112831U (en) | A mould for box one shot moulding is modelled | |
| CN114393770A (en) | Vacuum automatic coating die lower die and vacuum automatic coating die | |
| CN115229947B (en) | CIP process die and production process of oxidized ceramic target material | |
| CN212759470U (en) | Quick positioning tool for automotive three-dimensional waterproof film used for gluing | |
| CN218876020U (en) | Vacuum chuck machining device | |
| CN218399141U (en) | Anti-overflow plastic mould | |
| CN214687768U (en) | Tool of PVC injection molding pipe fitting manipulator of getting | |
| CN221392214U (en) | Assembled double-body buoy blow molding die | |
| CN221187292U (en) | Sealing washer class freezing device of going to limit |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |