CN108237673A - A kind of novel Ba Jin shape of the mouth as one speaks - Google Patents
A kind of novel Ba Jin shape of the mouth as one speaks Download PDFInfo
- Publication number
- CN108237673A CN108237673A CN201711408155.9A CN201711408155A CN108237673A CN 108237673 A CN108237673 A CN 108237673A CN 201711408155 A CN201711408155 A CN 201711408155A CN 108237673 A CN108237673 A CN 108237673A
- Authority
- CN
- China
- Prior art keywords
- dovetail groove
- housing
- die
- inner core
- mouth
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 abstract description 9
- 238000004513 sizing Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 231100000241 scar Toxicity 0.000 abstract description 5
- 238000004073 vulcanization Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 206010039509 Scab Diseases 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 8
- 239000011265 semifinished product Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005486 sulfidation Methods 0.000 description 1
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
A kind of novel Ba Jin shape of the mouth as one speaks, including pre-die, pre-die outer profile is cylinder, and pre-die rear is provided with hollow housing, housing includes the flange being fixed as one and cylindrical body, the diameter of flange is consistent with pre-die diameter, and the front end of the inner wall of housing offers dovetail groove, and dovetail groove inner core is arranged in housing, dovetail groove inner core coordinates with dovetail groove, between dovetail groove inner core and outer casing inner wall there is gap, put on be arranged with mounting disc outside, pre-die is linked together with housing by mounting disc.Innovative proposition non junction cylindrical structure of the invention, process oat tail groove structure, sizing material is made uniformly to squeeze out tubular from die panel, finished product vulcanization rear joint position is fundamentally avoided and gap easily occurs, cause in use because of stress excessive the problem of easily disconnecting；Also it can ensure the leakproofness of finished product well, prevent air from entering in process units, tire is caused the problems such as body scab, water scar occur.
Description
Technical field
The present invention relates to a kind of rubber for tire sealing element component extruder die models, and in particular to a kind of novel non junction bar
Golden shape of the mouth as one speaks model.
Background technology
Extruder die model is a kind of indispensable fixture component of rubber industry extrusion part.Traditional shape of the mouth as one speaks model is
One block length cube steel part, has additional diversion trench above（5）, diversion trench（5）Lower part is deeper, more top diversion trench（5）It is more shallow, such as scheme
Shown in 1.Although such design is simple, the semi-finished product that laminated structure and shape of the mouth as one speaks model extrusion can only occur are unable to reach into
The thickness of product requirement, therefore method can only be pasted in actual production process by layer and carry out ability vulcanization；So, it is given birth to by die panel
The semi-finished product of output not only need the finished product joint area in face of laced belt to there are problems that gap, it is also necessary to rationally solve layer
Fragile problem during use caused by pasting the uneven finished product uneven distribution brought.Do not conform to when the model shape of the mouth as one speaks squeezes out semi-finished product
Lattice, which need again to send model to machine maintenance when changing structure, to be remodified；It is above various not only bothersome laborious, it also results in
There are the problem of appearance such as a series of water scar, bubble in sulfidation in tire, causes tire disqualification rate and repair rate substantially
Degree is promoted.
Invention content
The technical problem to be solved by the present invention is to：Conventionally produced Ba Jin joint areas are there are gap, and semi-finished product are thin
Easily there is sealing element breach during use, access times is caused to reduce, not only influence production efficiency, but also lead in thickness ununiformity
Cause the problem of appearance such as a series of water scar, bubble occur in tire vulcanization process.
For above-mentioned technical problem, the object of the present invention is to provide a kind of novel Ba Jin shape of the mouth as one speaks model of non junction tubular, poles
It is big to improve efficiency, failure rate is reduced, ensure that the efficient rhythm of production of company.
Technical scheme of the present invention is specially：
A kind of novel Ba Jin shape of the mouth as one speaks, including pre-die, pre-die outer profile is cylinder, and pre-die rear is provided with hollow outer
Set, housing include the flange being fixed as one and cylindrical body, and the diameter of flange is consistent with pre-die diameter, the inner wall of housing
Front end offers dovetail groove, is arranged with dovetail groove inner core in housing, and dovetail groove inner core coordinates with dovetail groove, dovetail groove inner core with it is outer
There is gap between set inner wall, put on be arranged with mounting disc outside, pre-die is linked together with housing by mounting disc.
Funnelform through-hole is provided among the pre-die.
The front end of the dovetail groove inner core is cone, and rear end is cylindrical, and conical both sides are symmetrically arranged with interior
The core wing, the dovetail groove set there are two and mirror symmetry, the inner core wing and dovetail groove coordinate, the cylinder of dovetail groove inner core rear end with
Housing is concentric.
The overall diameter of the flange of the housing is more than the overall diameter of cylindrical body.
Stepped hole is provided among the mounting disc, including hole I and hole II, the diameter in hole I is more than the diameter in hole II, hole I
Coordinate with flange, pre-die, hole II coordinates with cylindrical body.
Screw thread is provided in the mounting disc.
Relative to the prior art, the present invention is innovative to propose non junction cylindrical structure, processes oat tail groove structure, make sizing material from
Tubular is uniformly squeezed out in die panel, finished product vulcanization rear joint position is fundamentally avoided and gap easily occurs, cause using
In the process because of stress excessive the problem of easily disconnecting；Also it can ensure the leakproofness of finished product well, prevent air from entering production dress
In putting, tire is caused the problems such as body scab, water scar occur；Simultaneously using the oat tail groove structure shape of the mouth as one speaks, semi-finished product can be effectively controlled
The concentricity of device in production process, the accurate thin and thick uniformity for adjusting semi-finished product ensure finished product in tire production process
Uniform force improves service life.
Description of the drawings
Fig. 1 is traditional shape of the mouth as one speaks model structure diagram.
Fig. 2 is the configuration schematic diagram of the present invention.
Fig. 3 is the schematic cross-sectional view of Fig. 2.
Fig. 4 is the combining structure schematic diagram of the present invention.
Specific embodiment
A kind of novel Ba Jin shape of the mouth as one speaks, including pre-die 4, pre-die 4 is filled at the head of extruder, 4 foreign steamer of pre-die
Exterior feature is cylinder, and funnelform through-hole is provided among pre-die 4.4 rear of pre-die is provided with hollow housing 1, and housing 1 wraps
The flange 11 being fixed as one and cylindrical body 12 are included, the overall diameter of flange 11 is more than the overall diameter of cylindrical body 12, flange 11
Diameter it is consistent with 4 diameter of pre-die, the front end of the inner wall of housing 1 offers dovetail groove 13, dovetail groove 13 set there are two and mirror
As symmetrical, it is arranged with dovetail groove inner core 3 in housing 1, the front end of dovetail groove inner core 3 is cone, and rear end is cylindrical, circular cone
The both sides of shape are symmetrically arranged with the inner core wing 31, and the inner core wing 31 coordinates with dovetail groove 13, the cylinder of 3 rear end of dovetail groove inner core with it is outer
Cover 1 concentric, there is gap between 1 inner wall of dovetail groove inner core 3 and housing, be arranged with mounting disc 2 on housing 1, pre-die 4 with it is outer
Set 1 is linked together by mounting disc 2.Screw thread is provided in mounting disc 2, stepped hole is provided among mounting disc 2, including hole I
21 and hole II 22, the diameter in hole I 21 is more than the diameter in hole II 22, and hole I 21 coordinates with flange 11, pre-die 4, hole II 22 and cylinder
Ontology 12 coordinates.
During assembling, dovetail groove inner core 3 is inserted in housing 1, the inner core wing 31 and dovetail groove 13 for making dovetail groove inner core 3 are matched
It closes, ensures the concentricity of dovetail groove inner core 3 and housing 1 by the cooperation of the inner core wing 31 and dovetail groove 13, ensure dovetail groove inner core 3
Gap between housing 1 is uniform, then mounting disc 2 is sleeved on to the outside of housing 1, by the stepped hole set in mounting disc 2, makes
Mounting disc 2 and the flange 11 of housing 1 are combined together, and pre-die 4 is filled in the extrusion exit of extruder, then will be above-mentioned
Dovetail groove inner core 3, housing 1 and mounting disc 2 and the pre-die 4 combined fits together, 4 diameter of pre-die and 11 diameter of flange
Unanimously, housing 1 and pre-die 4 are linked together by mounting disc 2, it will be in dovetail groove finally by the screw thread in mounting disc 2
Core 3, housing 1 are fixed on the exit of extruder.
The present invention operation principle be：After sizing material enters from apex strip spout, accumulated gradually by Screw Extrusion
To at head, it is filled in the pre-die 4 at the head of extruder and facilitates sizing material and preferably accumulate, sizing material is flowed to through pre-die 4
Housing 1, the front end of dovetail groove inner core 3 is cone, and closely knit sizing material is separated, and sizing material flows to dovetail along the surface of cone
In gap between slot inner core 3 and housing 1, sizing material is i.e. plastic after being come out from housing 1, obtains tubular structure, in dovetail groove
The inner core wing 31 of core 3 ensure that the concentricity of pre-die 4 and dovetail groove inner core 3, ensure that the thin and thick uniformity of tubular structure.Cylinder
Shape structure fundamentally avoids finished product vulcanization rear joint position and gap easily occurs, causes in use because of the excessive pole of stress
It easily disconnects, can also ensure the leakproofness of finished product well, prevent air from entering in process units, tire is caused body scab, water occur
The problems such as scar.Mounting disc 2 ensures a device being fixed on cross-head, prevents the device top caused by sizing material strength is excessive
Spiral shell causes personal casualty loss, and housing 1 is passed through from mounting disc 2, and longer length ensures that tubular structure can here well
, there are suitable semi-finished product in molding.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of general idea of the present invention is not departed from, several changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (6)
1. a kind of novel Ba Jin shape of the mouth as one speaks, it is characterised in that：Including pre-die（4）, pre-die（4）Outer profile is cylindrical, pre- mouth
Type（4）Rear is provided with hollow housing（1）, housing（1）Including the flange being fixed as one（11）And cylindrical body（12）, dash forward
Edge（11）Diameter and pre-die（4）Diameter is consistent, housing（1）The front end of inner wall offer dovetail groove（13）, housing（1）It is interior
It is arranged with dovetail groove inner core（3）, dovetail groove inner core（3）With dovetail groove（13）Cooperation, dovetail groove inner core（3）With housing（1）Inner wall
Between have gap, housing（1）On be arranged with mounting disc（2）, pre-die（4）With housing（1）Pass through mounting disc（2）It is connected to one
It rises.
2. the novel Ba Jin shape of the mouth as one speaks as described in claim 1, it is characterised in that：The pre-die（4）Centre is provided with funnel-form
Through-hole.
3. the novel Ba Jin shape of the mouth as one speaks as described in claim 1, it is characterised in that：The dovetail groove inner core（3）Front end be circular cone
Shape, rear end are cylindrical, and conical both sides are symmetrically arranged with the inner core wing（31）, the dovetail groove（13）If there are two and mirror
As symmetrical, the inner core wing（31）With dovetail groove（13）Cooperation, dovetail groove inner core（3）The cylinder and housing of rear end（1）It is concentric.
4. the novel Ba Jin shape of the mouth as one speaks as described in claim 1, it is characterised in that：The housing（1）Flange（11）Overall diameter
More than cylindrical body（12）Overall diameter.
5. the novel Ba Jin shape of the mouth as one speaks as described in claim 1, it is characterised in that：The mounting disc（2）Centre is provided with stepped hole,
Including hole I（21）With hole II（22）, hole I（21）Diameter be more than hole II（22）Diameter, hole I（21）With flange（11）, pre- mouth
Type（4）Cooperation, hole II（22）With cylindrical body（12）Cooperation.
6. the novel Ba Jin shape of the mouth as one speaks as claimed in claim 5, it is characterised in that：The mounting disc（2）On be provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408155.9A CN108237673A (en) | 2017-12-22 | 2017-12-22 | A kind of novel Ba Jin shape of the mouth as one speaks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408155.9A CN108237673A (en) | 2017-12-22 | 2017-12-22 | A kind of novel Ba Jin shape of the mouth as one speaks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108237673A true CN108237673A (en) | 2018-07-03 |
Family
ID=62700509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408155.9A Pending CN108237673A (en) | 2017-12-22 | 2017-12-22 | A kind of novel Ba Jin shape of the mouth as one speaks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108237673A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2097634A5 (en) * | 1970-07-16 | 1972-03-03 | Aquitaine Petrole | Plastic profiles - with expanded core and solid skin produced from a single extruder |
| GB1269557A (en) * | 1968-10-18 | 1972-04-06 | Erhard Langecker | Centering device for annular extrusion dies for the manufacture of plastics material shapes |
| JP2006103044A (en) * | 2004-10-01 | 2006-04-20 | Mitsubishi Heavy Ind Ltd | Molding machine equipped with kneading unit |
| CN202965152U (en) * | 2012-12-07 | 2013-06-05 | 仙居县聚源橡塑设备制造有限公司 | Extruding machine head with vacuumizing structure |
| CN204296003U (en) * | 2014-11-18 | 2015-04-29 | 冯碧英 | A kind of highdensity tube extrusion former |
-
2017
- 2017-12-22 CN CN201711408155.9A patent/CN108237673A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1269557A (en) * | 1968-10-18 | 1972-04-06 | Erhard Langecker | Centering device for annular extrusion dies for the manufacture of plastics material shapes |
| FR2097634A5 (en) * | 1970-07-16 | 1972-03-03 | Aquitaine Petrole | Plastic profiles - with expanded core and solid skin produced from a single extruder |
| JP2006103044A (en) * | 2004-10-01 | 2006-04-20 | Mitsubishi Heavy Ind Ltd | Molding machine equipped with kneading unit |
| CN202965152U (en) * | 2012-12-07 | 2013-06-05 | 仙居县聚源橡塑设备制造有限公司 | Extruding machine head with vacuumizing structure |
| CN204296003U (en) * | 2014-11-18 | 2015-04-29 | 冯碧英 | A kind of highdensity tube extrusion former |
Non-Patent Citations (1)
| Title |
|---|
| 周达飞等: "《高分子材料成型加工》", 31 May 2000, 中国轻工业出版社, pages: 252 - 253 * |
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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 |