CN214027077U - Extrusion cooling assembly of large-diameter carbon fiber reinforced polyether-ether-ketone bar - Google Patents
Extrusion cooling assembly of large-diameter carbon fiber reinforced polyether-ether-ketone bar Download PDFInfo
- Publication number
- CN214027077U CN214027077U CN202021988050.2U CN202021988050U CN214027077U CN 214027077 U CN214027077 U CN 214027077U CN 202021988050 U CN202021988050 U CN 202021988050U CN 214027077 U CN214027077 U CN 214027077U
- Authority
- CN
- China
- Prior art keywords
- cooling
- sleeve
- carbon fiber
- sub
- rod
- 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
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an extrusion cooling subassembly of major diameter carbon fiber reinforcement polyether ether ketone rod belongs to plastics extrusion moulding technical field, has solved the technical problem that very easily produces stress cracking or form crackle and dark crackle at the rod core when current major diameter rod cools off the design. It is including extruding the head and installing the cooling sizing sleeve on extruding the head, and the cooling sizing sleeve includes two sections at least cooling sub-sleeves, all is provided with the cooling chamber in every cooling sub-sleeve and does not communicate each other, and the circulation has the coolant liquid in the cooling chamber, and the cooling sub-sleeve is close to more and extrudes the head, and the coolant liquid temperature in the cooling sub-sleeve is higher, sets up inlet and the liquid outlet with the cooling chamber intercommunication on the cooling sub-sleeve. This application has the advantage of difficult fracture when major diameter carbon fiber reinforcement class rod cools off the design.
Description
Technical Field
The application relates to the technical field of plastic extrusion molding, in particular to an extrusion cooling assembly for a large-diameter carbon fiber reinforced polyether-ether-ketone bar.
Background
As a special engineering plastic, PEEK has excellent heat resistance, radiation resistance, chemical resistance, and excellent mechanical properties and electrical insulation properties, and can be molded by a thermoplastic processing method, and thus, PEEK is widely used in the fields of electronics, machinery, aerospace, and the like. However, pure resin grade PEEK is not adequate for some extremely demanding applications, which requires modification of PEEK. In the following table, we can see that the mechanical properties of PEEK modified by carbon fiber reinforcement are greatly improved.
However, the difficulty of extruding rods with such reinforcements is much greater than with pure resin grades, especially if the diameter of the rod is greater than 80 mm. The main reasons are as follows:
1. the flowability of carbon fibers is extremely poor;
2. the specific heat capacity of the carbon fiber and the PEEK are very different, the carbon fiber is a good thermal conductor, and the heat conductivity of the PEEK is very low, so that the carbon fiber and the PEEK have asynchronous heat absorption and heat release, and stress cracking or cracks and dark cracks are easily formed in the core of the bar when the bar is cooled and shaped, as shown in FIG. 1.
3. In the existing production method, in order to seek the quick cooling and skinning of the surface of the bar, a bar cooling and sizing sleeve is designed into a single area and an industrial water chiller is used for forcibly cooling a mould, so that the cracking of the bar is further aggravated, and the method cannot produce the bar with the diameter of more than 80 mm.
In view of the above-mentioned related technologies, the inventor believes that the prior art has the defect that stress cracking or cracks and dark cracks are easily generated on the core of the large-diameter carbon fiber reinforced bar when the large-diameter carbon fiber reinforced bar is cooled and shaped.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect that stress cracking is easily generated or cracks and dark cracks are formed on the core of a large-diameter carbon fiber reinforced polyether-ether-ketone bar when the large-diameter carbon fiber reinforced bar is cooled and shaped, the application provides an extrusion cooling assembly for the large-diameter carbon fiber reinforced polyether-ether-ketone bar.
The application provides an extrusion cooling subassembly of major diameter carbon fiber reinforcement polyether ether ketone rod adopts following technical scheme:
the utility model provides a major diameter carbon fiber reinforcement polyether ether ketone rod extrude cooling module, is including extruding the head and installing the cooling sizing sleeve on extruding the head, the cooling sizing sleeve includes two sections at least cooling sub-sleeves, every all be provided with the cooling chamber in the cooling sub-sleeve and not communicate each other, the circulation has the coolant liquid in the cooling chamber, just the cooling sub-sleeve is close to more extrude the head, in the cooling sub-sleeve the coolant liquid temperature is higher, the cooling sub-sleeve on seted up with inlet and the liquid outlet of cooling chamber intercommunication.
Through adopting above-mentioned technical scheme for thereby extrude the rod that the head was extruded and cool down through in the cooling sub-cover, let in the coolant liquid of the difference in temperature in the cooling chamber of different cooling sub-covers, simultaneously along the direction that the rod was extruded, coolant liquid temperature reduces gradually in the cooling sub-cover, and the segmentation cools off gradually makes stress cracking obtain controlling.
Preferably, the oil temperature control device further comprises a multi-temperature-section oil temperature machine, an oil outlet of the multi-temperature-section oil temperature machine is communicated with the liquid inlet, an oil return port of the multi-temperature-section oil temperature machine is communicated with the liquid outlet, and the liquid inlet is located below the liquid outlet.
By adopting the technical scheme, the circulation of the cooling liquid in the cooling sub-sleeve is realized through the multi-temperature-section oil temperature machine, and meanwhile, the multi-temperature-section oil temperature machine can more accurately and independently control the temperature of the cooling liquid in each cooling sub-sleeve, so that the problems of cracks and dark cracks caused by rapid cooling of the large-diameter carbon fiber reinforced polyether-ether-ketone bar in the extrusion process are avoided.
Preferably, the adjacent cooling sub-sleeves are detachably connected.
Through adopting above-mentioned technical scheme for the installation of cooling sub-cover is dismantled more conveniently, conveniently increases and decreases the quantity of cooling sub-cover according to the demand, in order to reach the effect of hierarchical cooling major diameter carbon fiber reinforcing polyether ether ketone rod.
Preferably, it is adjacent it is fixed through coupling assembling between the cooling sub-cover, coupling assembling includes ring flange and bolt, the ring flange has two, two the ring flange is fixed in adjacently the one end that the cooling sub-cover is close to each other, two the mutual butt of ring flange is passed through the bolt is fixed.
Through adopting above-mentioned technical scheme, through ring flange joint between the cooling sub-cover for joint strength between the adjacent cooling sub-cover is enough high, and the cooling sub-cover is difficult to drop under the drive of rod when the rod passes through at the cooling sub-cover.
Preferably, the connecting assembly further comprises positioning rings, positioning grooves are formed in the opposite side walls of the two flange plates, and the two ends of the positioning rings in the axial direction are respectively inserted into the two positioning grooves.
Through adopting above-mentioned technical scheme, utilize the holding ring to guarantee the concentricity of adjacent two cooling sub-covers, avoid cooling the sub-cover decentraction to extrude the rod.
Preferably, the inner wall of the positioning ring is provided with a positioning protrusion, and a positioning chute for the positioning protrusion to slide into is formed in the groove wall of the positioning groove.
By adopting the technical scheme, the arranged positioning protrusion is used for carrying out circumferential limiting pre-installation between the adjacent cooling sub-sleeves, so that the installation of the bolt is further facilitated.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by using a graded gradual cooling mode, cracks or dark cracks of the bar due to sudden temperature drop during original single-zone cooling can be avoided;
2. the cooling sub-sleeves are more convenient to mount and dismount, and the number of the cooling sub-sleeves can be increased or decreased according to different diameters of the bars;
3. through flange joint between the cooling sub-cover for joint strength between the adjacent cooling sub-cover is enough high, and the cooling sub-cover is difficult to drop under the drive of rod when the rod passes through, and protruding through holding ring and location, carry out spacing and the spacing preinstallation of circumference of axiality to adjacent cooling sub-cover, thereby make things convenient for the installation of bolt to be fixed.
Drawings
FIG. 1 is a schematic illustration of a prior art bar crack;
FIG. 2 is a schematic structural view of embodiment 1;
FIG. 3 is a partial sectional view of embodiment 1;
FIG. 4 is a schematic structural view of example 2;
fig. 5 is a partial schematic view of an explosion diagram of example 2.
Reference numerals: 1. an extrusion head; 2. cooling the sizing sleeve; 21. cooling the sub-sleeve; 22. a cooling chamber; 23. a liquid inlet; 24. a liquid outlet; 25. a spiral flow distribution plate; 51. a flange plate; 511. positioning a groove; 512. positioning the chute; 52. a positioning ring; 521. positioning the projection; 53. and (4) bolts.
Detailed Description
The present application is described in further detail below with reference to figures 2-5.
Example 1:
the embodiment of the application discloses an extrusion cooling assembly of a large-diameter carbon fiber reinforced polyether-ether-ketone bar. Referring to fig. 2 and 3, the extrusion cooling assembly for the large-diameter carbon fiber reinforced polyetheretherketone bar comprises an extrusion head 1, a multi-temperature-section oil temperature machine (not shown in the figure) and a cooling sizing sleeve 2 mounted on the extrusion head 1, wherein the cooling sizing sleeve 2 comprises at least two sections of cooling sub sleeves 21, in this embodiment, three cooling sub sleeves 21 are provided, and each cooling sub sleeve 21 is a hollow cylindrical tube with a certain thickness and a hollow interior.
In the present embodiment, the three cooling sub-jackets 21 are integrally fixed, and the cooling sub-jacket 21 closest to the extrusion head 1 is fixed to the extrusion head 1 by welding.
The cavity in each cooling sub-sleeve 21 is set as a cooling cavity 22, a liquid inlet 23 and a liquid outlet 24 which are communicated with the cooling cavity 22 are arranged on the cooling sub-sleeve 21, the liquid outlet 24 is arranged at one end, close to the extrusion head 1, of the cooling sub-sleeve 21, the liquid inlet 23 is arranged at one end, far away from the extrusion head 1, of the cooling sub-sleeve 21, the liquid inlet 23 is arranged at the lower side of the cooling sub-sleeve 21, the liquid outlet 24 is arranged at the upper side of the cooling sub-sleeve 21, an oil outlet of the multi-temperature-section oil temperature machine is communicated with the liquid inlet 23, an oil return port of the multi-temperature-section oil temperature machine is communicated with the liquid outlet 24, cooling liquid flows in the cooling cavity 22, the cooling liquid in the embodiment is oil liquid, and the three cooling sub-sleeves 21 are set as a first section, a second section and a third section along the direction far away from the extrusion head 1. For example, for carbon fiber reinforced PEEK, the oil temperature in the first section is set to not less than 180 degrees celsius, the oil temperature in the second section is set to not less than 150 degrees celsius, and the oil temperature in the third section is set to not less than 120 degrees celsius.
Be provided with spiral flow distribution plate 25 in the cooling chamber 22, spiral flow distribution plate 25 is the heliciform, the round lateral wall in the spiral flow distribution plate 25 outside is fixed at the bottom of the chamber towards cooling chamber 22 cooling sleeve 21 axis, the round lateral wall in the spiral flow distribution plate 25 inboard is fixed with the chamber wall that cooling chamber 22 deviates from cooling sleeve 21, thereby separate into a heliciform runner to cooling chamber 22, make the coolant liquid at cooling chamber 22 internal screw thread marching, the coolant liquid of every cooling chamber 22 is constantly endothermic intensification towards liquid outlet 24 flow in-process, make the coolant liquid of every cooling chamber 22 more be close to extrude first 1 temperature higher, there is the temperature gradual change process, further make the rod of extruding be difficult to the fracture.
The implementation principle of the extrusion cooling assembly for the large-diameter carbon fiber reinforced polyether-ether-ketone bar in the embodiment of the application is as follows: the multi-temperature-section oil temperature machine circulates and controls the temperature of cooling liquid in each cooling sub-sleeve 21, so that a certain temperature is maintained in each cooling sub-sleeve 21, a bar extruded by the extruder is sent into the cooling sizing sleeve 2 through the extrusion head 1, the temperature of the bar is slowly reduced in the moving process of the bar in the cooling sizing sleeve 2, and the temperature of the bar cannot be suddenly reduced, so that the bar is not easy to crack. .
Example 2:
referring to fig. 4 and 5, the difference between this embodiment and embodiment 1 is that the connection modes between the cold zone sub-sleeves are different, the adjacent cooling sub-sleeves 21 are connected and fixed through a connection assembly, the connection assembly includes two flange plates 51, a positioning ring 52 and bolts 53, the two flange plates 51 are fixed at the ends, close to each other, of the adjacent cooling sub-sleeves 21, the two flange plates 51 are mutually abutted and fixed through the bolts 53, the bolts 53 are provided, and the bolts 53 are arranged at equal angular intervals along the circumferential direction of the flange plates 51.
The opposite side walls of the two flange plates 51 are provided with positioning grooves 511, two ends of the positioning ring 52 in the axial direction are respectively inserted into the two positioning grooves 511, the inner wall of the positioning ring 52 is integrally fixed with positioning protrusions 521, the groove wall of the positioning groove 511 is provided with a positioning sliding groove 512 for the positioning protrusions 521 to slide in, and the positioning groove 511 is positioned on the bolt 53 and surrounds the bolt 53 for one circle.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides an extrusion cooling assembly of major diameter carbon fiber reinforcement polyether ether ketone rod, includes and extrudes first (1) and installs cooling sizing sleeve (2) on extruding first (1), its characterized in that: the cooling sizing sleeve (2) comprises at least two sections of cooling sub sleeves (21), each cooling sub sleeve (21) is internally provided with a cooling cavity (22) and is not communicated with each other, cooling liquid flows in the cooling cavity (22), the cooling sub sleeve (21) is closer to the extrusion head (1), the temperature of the cooling liquid in the cooling sub sleeve (21) is higher, and a liquid inlet (23) and a liquid outlet (24) communicated with the cooling cavity (22) are formed in the cooling sub sleeve (21).
2. The extrusion cooling assembly of a large-diameter carbon fiber reinforced polyetheretherketone rod of claim 1, wherein: the oil temperature control system is characterized by further comprising a multi-temperature-section oil temperature machine, an oil outlet of the multi-temperature-section oil temperature machine is communicated with the liquid inlet (23), an oil return port of the multi-temperature-section oil temperature machine is communicated with the liquid outlet (24), and the liquid inlet (23) is located below the liquid outlet (24).
3. The extrusion cooling assembly of a large-diameter carbon fiber reinforced polyetheretherketone rod of claim 1, wherein: the adjacent cooling sub-sleeves (21) are detachably connected.
4. The extrusion cooling assembly of a large-diameter carbon fiber reinforced polyetheretherketone rod of claim 3, wherein: it is adjacent it is fixed through coupling assembling between cooling sub sleeve (21), coupling assembling includes ring flange (51) and bolt (53), ring flange (51) have two, two ring flange (51) are fixed in adjacently the one end that cooling sub sleeve (21) are close to each other, two ring flange (51) butt each other and pass through bolt (53) are fixed.
5. The extrusion cooling assembly of a large-diameter carbon fiber reinforced polyetheretherketone rod of claim 4, wherein: the connecting assembly further comprises positioning rings (52), positioning grooves (511) are formed in the opposite side walls of the two flange plates (51), and the two ends of the positioning rings (52) in the axial direction are respectively inserted into the two positioning grooves (511).
6. The extrusion cooling assembly of a large-diameter carbon fiber reinforced polyetheretherketone rod of claim 5, wherein: the inner wall of the positioning ring (52) is provided with a positioning protrusion (521), and the groove wall of the positioning groove (511) is provided with a positioning sliding groove (512) for the positioning protrusion (521) to slide in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021988050.2U CN214027077U (en) | 2020-09-12 | 2020-09-12 | Extrusion cooling assembly of large-diameter carbon fiber reinforced polyether-ether-ketone bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021988050.2U CN214027077U (en) | 2020-09-12 | 2020-09-12 | Extrusion cooling assembly of large-diameter carbon fiber reinforced polyether-ether-ketone bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214027077U true CN214027077U (en) | 2021-08-24 |
Family
ID=77349663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021988050.2U Active CN214027077U (en) | 2020-09-12 | 2020-09-12 | Extrusion cooling assembly of large-diameter carbon fiber reinforced polyether-ether-ketone bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214027077U (en) |
-
2020
- 2020-09-12 CN CN202021988050.2U patent/CN214027077U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214027077U (en) | Extrusion cooling assembly of large-diameter carbon fiber reinforced polyether-ether-ketone bar | |
| CN116423865A (en) | Production process and equipment for plastic fiber composite pipe | |
| CN114633454A (en) | Extrusion machine head for PEEK pipe production and PEEK pipe production process | |
| CN111089212B (en) | Short fiber reinforced plastic electric melting pipe fitting with optimized injection position and injection mold thereof | |
| CN218966093U (en) | Extrusion die for foaming type insulating cable core | |
| US4088434A (en) | Die for continuously extruding hollow articles from thermosetting resins | |
| CN116619721A (en) | Core mold and extrusion mold of large-caliber high-precision PFA tube | |
| CN104057597B (en) | Self-circulating oil heating reaction type extruder, and working method and application thereof | |
| CN116277858A (en) | Near-isotropic fiber reinforced polyaryletherketone extrusion die and extrusion process | |
| CN214027144U (en) | Cold water circulating system and extruder | |
| CN211441058U (en) | Enlarged double-wall corrugated pipe extrusion die | |
| US6805480B1 (en) | Cylinder for a twin-screw extruder with a helical channel of varying depth | |
| CN217226594U (en) | Improved generation double screw extruder barrel structure | |
| CN219789235U (en) | Sizing sleeve for cooling plastic pipe | |
| CN213860636U (en) | Uniform extrusion granulation device | |
| CN211591219U (en) | Forming die for plastic pipe production | |
| CN211917663U (en) | Filter for improving uniformity of rolled film | |
| CN219968794U (en) | Sizing cooling device for pipe extruder and plastic pipe production line | |
| CN219968779U (en) | Plastic bar extrusion die | |
| CN115257014B (en) | Pipe extruding die for enhancing strength of glass fiber pipe | |
| CN214983077U (en) | Quick thermoplastic elastomer extrusion device | |
| CN206201433U (en) | Extrusion die with inner circulating tube | |
| KR20050018867A (en) | the manufacturing equipment for molding of plastic multi-wall pipe | |
| CN205416291U (en) | Plastic extrusion mould | |
| CN219236090U (en) | Extrusion molding die head for multilayer composite pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A large diameter carbon fiber reinforced polyetheretherketone rod extrusion cooling component Effective date of registration: 20220826 Granted publication date: 20210824 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: Ningbo able Precision Plastics Co.,Ltd. Registration number: Y2022980013785 |