CN203125918U - Novel extrusion machine mouth die - Google Patents
Novel extrusion machine mouth die Download PDFInfo
- Publication number
- CN203125918U CN203125918U CN2013200458699U CN201320045869U CN203125918U CN 203125918 U CN203125918 U CN 203125918U CN 2013200458699 U CN2013200458699 U CN 2013200458699U CN 201320045869 U CN201320045869 U CN 201320045869U CN 203125918 U CN203125918 U CN 203125918U
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- China
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- mentioned
- discharging opening
- extruding dies
- friction portion
- novel extruding
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Abstract
The utility model provides a novel extrusion machine mouth die. The mouth die comprises a mouth die body, wherein the mouth die body is provided with a discharging port; and a friction device, which has friction coefficients more than that of the discharging port and is in contact with a material surface, is correspondingly arranged at the discharging port. Because the brightness and cleaniness degree of the surface of a molded material is increased along with the increment of the friction coefficients at the discharging port which is in contact with the surface of the material to be molded; and after the technical scheme is adopted, the novel extrusion machine mouth die has the characteristics that the friction device is arranged at the discharging port of the mouth die body, corresponds to the surface of the material to be molded and has friction coefficients more than that of the discharging port. Compared with the traditional mouth die of the discharging port having relatively less friction coefficients, the extrusion machine mouth die has the advantages that the brightness and cleaniness degree of the surface of the molded material is relatively high, and an effective and practical solution is provided for improving the brightness and cleaniness degree of the surface of the molded material.
Description
Technical field
The utility model relates to the extruding dies in material forming field, is specifically related to a kind of novel extruding dies that can effectively repair the crusher surface that is about to molding materials.
Background technology
In existing material forming field, as under certain extrusion temperature and extrusion pressure, material is carried out melting mixing through screw extruder, extrude by the mouth mould, make molding materials.
The wherein moulding of polyvinyl piping materials comparatively commonly, the mouth mould of the molding of polyethylene tubing on the market roughly comprises the metal mouth mould main body that is in the outside and is in mouthful metal mandrel of mould main body core, form the ringwise discharging opening of cross section between metal mouth mould main body and the metal mandrel, the cross section of this discharging opening is the cross section of polyvinyl piping materials.Because material is extruded the back from discharging opening and is easily produced melt fracture, and increase of the coefficient of friction at surperficial contacted discharging opening place and improving with it when finding after deliberation that the light on molding materials surface and clean and tidy degree are about to moulding along with it, if namely discharging opening is bigger with the coefficient of contact friction on the material surface that is about to moulding, discharging opening can suitably be repaired the material surface of breaking, but existing extruding dies, its discharging opening is made by metal material, the coefficient of friction on the discharging opening of metal material and material surface is little, can not carry out effective for repairing to the material surface of breaking, so the surface of the polyvinyl piping materials of moulding (inner surface and/or outer surface) is coarse, light and tidiness are not enough, have had a strong impact on outward appearance and the quality of product.
Given this, this case the inventor further investigate the problems referred to above, has this case to produce then.
The utility model content
The purpose of this utility model is to provide a kind of novel extruding dies that can effectively improve molding materials any surface finish degree.
In order to achieve the above object, the utility model adopts such technical scheme:
A kind of novel extruding dies comprises the mouth mould body with discharging opening; Described discharging opening place undertake coefficient of friction than discharging opening big and with the contacted rubbing device in material surface.
The corresponding material of above-mentioned rubbing device is provided with tapping channel, this tapping channel and the corresponding setting of above-mentioned discharging opening.
Above-mentioned mouthful of mould body has plug, and above-mentioned rubbing device comprises the external friction portion of corresponding above-mentioned discharging opening outer setting and the interior friction part that corresponding described plug arranges, and the gap between described external friction portion and the interior friction part forms above-mentioned tapping channel.
Above-mentioned external friction portion ringwise, above-mentioned in the profile of friction part corresponding with the interior shape of ring of described external friction portion, and arrange with external friction portion is concentric.
Above-mentioned external friction portion is located at the end face of above-mentioned mouthful of mould body, and is fixed together with a mouthful mould body by a locking gland.
Above-mentioned locking gland compresses above-mentioned external friction portion and above-mentioned mouthful of mould body links together by bolt.
The corresponding material of above-mentioned locking gland is provided with the discharging port, and the size of described discharging port is greater than the size of above-mentioned tapping channel.
Friction part is fixed together by bolt and above-mentioned plug in above-mentioned.
Be provided with cushion block between the nut of friction part and corresponding above-mentioned bolt in above-mentioned.
The contacted face of above-mentioned rubbing device and material surface is coated with the polytetrafluoroethylene (PTFE) contact layer.
Increase of the coefficient of friction at surperficial contacted discharging opening place improves with it when being about to moulding owing to the light on molding materials surface and clean and tidy degree along with it, of the present utility model novel extruding dies after the employing technique scheme, it is provided with rubbing device at the discharging opening place, the corresponding surface that is about to the material of moulding of rubbing device arranges, and compare discharging opening, rubbing device has bigger coefficient of friction, so novel extruding dies of the present utility model is compared with the tradition mouthful mould of the discharging opening with less coefficient of friction, the light on the material surface of institute's moulding and clean and tidy degree are higher, for the bright and clean degree that improves the molding materials surface provides a kind of effective and practical solution, make the molding materials product have better appearance effect and quality.
Description of drawings
Fig. 1 is cut-away view of the present utility model.
Among the figure:
1-mouth mould body 11-discharging opening
The 12-plug
2-rubbing device 21-external friction portion
Friction part 23-tapping channel in the 22-
24-locking gland 241-discharging port
25-bolt one 26-bolt two
The 27-cushion block
The specific embodiment
Be described in detail the technical solution of the utility model below by specific embodiment in order further to explain.
A kind of novel extruding dies of the present utility model as shown in Figure 1, comprises the mouth mould body 1 with discharging opening 11.
Its improvements are, it is bigger than discharging opening 11 that discharging opening 11 places undertake coefficient of friction, and with the contacted rubbing device 2 in material surface, namely in the material extrusion, the surface of material can with rubbing device 2 phase CONTACT WITH FRICTION, increase of the coefficient of friction at surperficial contacted discharging opening 11 places improves with it when being about to moulding owing to the light on molding materials surface and clean and tidy degree along with it, can improve the bright and clean degree on molding materials surface effectively so have the rubbing device 2 of bigger coefficient of friction.
Preferably, rubbing device 2 corresponding materials are provided with tapping channel 23, and tapping channel 23 and discharging opening 11 corresponding settings, be that tapping channel 23 is all corresponding with shape, size and the position etc. of discharging opening 11, in the time of with the smooth discharging of assurance material, also can make the abundant CONTACT WITH FRICTION of material of rubbing device 2 and pre-profiling.
Preferably, a mouthful mould body 1 has plug 12, and the annular gap between mouthful mould body 1 and the plug 12 has formed discharging opening 11; Rubbing device 2 comprises the external friction portion 21 that the outer of corresponding discharging opening 11 arranges, with corresponding plug 12 be the interior along the interior friction part 22 that arranges of discharging opening 11, gap between external friction portion 21 and the interior friction part 22 has formed tapping channel 23, and this structure has guaranteed that tapping channel 23 is corresponding with discharging opening 11.
Preferably, external friction portion 21 ringwise, shape is corresponding in the ring of the profile of interior friction part 22 and external friction portion 21, and interior friction part 22 and the 21 concentric settings of external friction portion, be that external friction portion 21 forms concentric structure with interior friction part 22, the annular gap that forms between the two is tapping channel 23, and is simple and reasonable, and this structure can effectively improve external friction portion 21 and interior friction part 22 utilization efficiency of material, saves material.
Preferably, external friction portion 21 is located at the end face of mouthful mould body 1, and is fixed together by locking gland 24 and a mouthful mould body 1, and this structure has guaranteed the bonding strength between external friction portion 21 and mouthful mould body 1.
Preferably, locking gland 24 compresses external friction portion 21 and links together by bolt 1 with mouth mould body 1, to guarantee the bonding strength between external friction portion 21 and mouthful mould body 1.
Preferably, locking gland 24 corresponding materials are provided with discharging port 241, the size of discharging port 241 is greater than the size of tapping channel 23, to avoid material when extruding tapping channel 23, to contact with locking gland 24, guarantee smooth discharging, the fineness on 24 pairs of material surfaces of gland of preventing from locking exerts an influence, and guarantees that rubbing device 2 contacts and it is repaired at last with the material of pre-profiling is surperficial, makes the material product of moulding have good appearance effect and quality.
Preferably, interior friction part 22 is fixed together by bolt 2 26 and plug 12, with the bonding strength between friction part 22 in guaranteeing and mouthful mould body 1.
Preferably, be provided with cushion block 27 between the nut of interior friction part 22 and bolt 2 26.
Preferably, the contacted face of rubbing device 2 and material surface is coated with the contact layer of polytetrafluoroethylmaterial material, to guarantee that rubbing device 2 and material surface form the contact-making surface of polytetrafluoroethylmaterial material, because polytetrafluoroethylmaterial material has big coefficient of friction, and can be complementary with the characteristic as materials such as polythene materials, thereby the rubbing device 2 with polytetrafluoroethylmaterial material contact layer can carry out the effective for repairing effect to the material surface that is about to moulding, guarantee the bright and clean quality on molding materials surface, and compare the rubbing device 2 that integral body is all polytetrafluoroethylmaterial material and save material usage more, reduce cost.
Novel extruding dies of the present utility model, rubbing device also can integral body be all polytetrafluoroethylmaterial material and make; The material of the contact layer on rubbing device and material surface, and the material of rubbing device other parts all can require to choose according to reality; The shape of cushion block and the size on all directions etc. can require to adjust and design according to reality; Bolt two can with prior art in be used for fixing port mould body and extruder bolt be same, can reduce the complexity of structure; The discharging port is under the surperficial discontiguous situation of assurance and material, and its shape and size etc. can require adjust and design according to reality; The locking gland can require to adjust and design with the connected mode of mouthful mould body according to reality; The corresponding rubbing device of locking gland is provided with the coupling cavity volume; The concrete form of locking gland can require to adjust and design according to reality; External friction portion can require to adjust and design with the connected mode of mouthful mould body according to reality; The concrete shape of external friction portion and interior friction part and the size on all directions etc. can require to design and adjust according to reality; The particular location corresponding relation of external friction portion and interior friction part or matching relationship etc. can require to adjust and design according to reality; Tapping channel and smooth connection corresponding with shape, size and the position etc. of discharging opening; Rubbing device has the device of bigger coefficient of friction for the discharging opening place with the mouth mould body compares; Rubbing device contacts with the surface of the material that is about to moulding and has under the situation of bigger coefficient of friction guaranteeing, its form can be adjusted and design according to the reality requirement.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not breaking away from patent category of the present utility model.
Claims (10)
1. novel extruding dies comprises the mouth mould body with discharging opening, it is characterized in that: described discharging opening place undertake coefficient of friction than discharging opening big and with the contacted rubbing device in material surface.
2. a kind of novel extruding dies according to claim 1 is characterized in that: the corresponding material of above-mentioned rubbing device is provided with tapping channel, this tapping channel and the corresponding setting of above-mentioned discharging opening.
3. a kind of novel extruding dies according to claim 2, it is characterized in that: above-mentioned mouthful of mould body has plug, above-mentioned rubbing device comprises the external friction portion that corresponding above-mentioned discharging opening outer arranges, with the interior friction part that the described plug of correspondence arranges, the gap between described external friction portion and the interior friction part forms above-mentioned tapping channel.
4. a kind of novel extruding dies according to claim 3 is characterized in that: above-mentioned external friction portion ringwise, above-mentioned in the profile of friction part corresponding with the interior shape of ring of described external friction portion, and arrange with external friction portion is concentric.
5. a kind of novel extruding dies according to claim 3 is characterized in that: above-mentioned external friction portion is located at the end face of above-mentioned mouthful of mould body, and is fixed together with a mouthful mould body by a locking gland.
6. a kind of novel extruding dies according to claim 5 is characterized in that: above-mentioned locking gland compresses above-mentioned external friction portion and above-mentioned mouthful of mould body links together by bolt.
7. a kind of novel extruding dies according to claim 6 is characterized in that: the corresponding material of above-mentioned locking gland is provided with the discharging port, and the size of described discharging port is greater than the size of above-mentioned tapping channel.
8. a kind of novel extruding dies according to claim 3 is characterized in that: friction part is fixed together by bolt and above-mentioned plug in above-mentioned.
9. a kind of novel extruding dies according to claim 8 is characterized in that: be provided with cushion block between the nut of friction part and corresponding above-mentioned bolt in above-mentioned.
10. according to each described a kind of novel extruding dies among the claim 1-9, it is characterized in that: the contacted face of above-mentioned rubbing device and material surface is coated with the polytetrafluoroethylene (PTFE) contact layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200458699U CN203125918U (en) | 2013-01-25 | 2013-01-25 | Novel extrusion machine mouth die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200458699U CN203125918U (en) | 2013-01-25 | 2013-01-25 | Novel extrusion machine mouth die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203125918U true CN203125918U (en) | 2013-08-14 |
Family
ID=48933935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200458699U Expired - Fee Related CN203125918U (en) | 2013-01-25 | 2013-01-25 | Novel extrusion machine mouth die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203125918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538234A (en) * | 2013-09-25 | 2014-01-29 | 宁波安信德亿塑业科技有限公司 | Mouth mould and core mould structure of plastics extrusion mould |
| CN103660227A (en) * | 2014-01-10 | 2014-03-26 | 长园电子（集团）有限公司 | Plastic pipe extruding opening mold |
| CN108099154A (en) * | 2017-12-19 | 2018-06-01 | 南京科森挤出装备有限公司 | A kind of tie rod mouth mold of unbroken noodles |
-
2013
- 2013-01-25 CN CN2013200458699U patent/CN203125918U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538234A (en) * | 2013-09-25 | 2014-01-29 | 宁波安信德亿塑业科技有限公司 | Mouth mould and core mould structure of plastics extrusion mould |
| CN103538234B (en) * | 2013-09-25 | 2016-02-10 | 宁波安信德亿塑业科技有限公司 | The mouth mould of plastics extrusion die and core mold structure |
| CN103660227A (en) * | 2014-01-10 | 2014-03-26 | 长园电子（集团）有限公司 | Plastic pipe extruding opening mold |
| CN108099154A (en) * | 2017-12-19 | 2018-06-01 | 南京科森挤出装备有限公司 | A kind of tie rod mouth mold of unbroken noodles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160907 Address after: 362000, cap Hill Industrial Zone, Quanzhou, Fujian, Nanan Patentee after: Fujian Gaopin Technology Tubing Co., Ltd. Address before: 362300, Liucheng cap Mountain Industrial Zone, Quanzhou, Fujian, Nanan Patentee before: Nan'an Hua Yi plastic cement Manufacturing Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20170125 |