CN116238183A - Extrusion device for composite material forming - Google Patents
Extrusion device for composite material forming Download PDFInfo
- Publication number
- CN116238183A CN116238183A CN202310511101.4A CN202310511101A CN116238183A CN 116238183 A CN116238183 A CN 116238183A CN 202310511101 A CN202310511101 A CN 202310511101A CN 116238183 A CN116238183 A CN 116238183A
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- Prior art keywords
- pressure
- processor
- rod
- alarm
- pressure sensor
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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000001125 extrusion Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 42
- 238000000465 moulding Methods 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 239000007779 soft material Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract 1
- 239000004677 Nylon Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3097—Cosmonautical vehicles; Rockets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Abstract
The invention provides an extrusion device for composite material forming, and relates to the technical field of layered material processing. Comprising the following steps: a ram for extruding the prepreg layer; the rod part is rotationally connected with the pressure head; a pressure sensor for detecting a pressure applied when the prepreg layer is pressed by the pressing head, the pressure being represented by a deformation amount of the pressing head or the rod portion; the pressure sensor is arranged on the pressure head or the rod part; a processor; a power supply; the alarm is used for alarming when the pressing force is smaller than a preset pressing force threshold; the pressure sensor, the pressure preset component, the power supply and the alarm are all electrically connected with the processor. The pressure sensor detects the deformation of the pressure head or the deformation of the rod part and transmits a pressure signal to the processor, and if the applied pressure is smaller than a pressure preset threshold, the alarm gives an alarm to remind an operator to increase the pressure, so that the pressure of the pressure head on the prepreg layer is always above the pressure preset threshold, and the phenomenon that bubbles are introduced or the prepreg layer is not tightly paved in the paving process is avoided.
Description
Technical Field
The invention relates to the technical field of laminated material processing, in particular to an extrusion device for composite material forming.
Background
At present, an aerospace composite structural member is formed by an autoclave-vacuum bag process widely, and resin-based fiber prepregs are stacked on a hard tool in the process scheme. Due to the performance requirements of the composite material component, prepregs with the thickness of 0.1-0.3mm are required to be stacked in a designated area according to the structural design requirements, and the prepregs are required to be laid in a specified direction. Typically, the thickness of the individual articles is above 2mm, and therefore the prepreg layup needs to be repeated a number of times. In the laying process, due to insufficient pressing pressure, bubbles are easily introduced in the laying process or the phenomenon of loose laying is generated, so that the internal quality problem of the part occurs in the later curing process.
Accordingly, it is highly desirable to provide a pressing device for molding a composite material, which can detect and warn the pressing pressure.
Disclosure of Invention
The invention aims to provide an extrusion device for composite material forming, which solves the technical problems that bubbles exist between prepreg layers or the prepreg layers are not tightly paved due to insufficient pressing pressure in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides an extrusion device for composite material molding, which comprises: a ram for extruding the prepreg layer; the rod part is rotationally connected with the pressure head; a pressure sensor for detecting a pressure applied when the prepreg layer is pressed by the pressing head, the pressure being represented by a deformation amount of the pressing head or the rod portion; the pressure sensor is arranged on the pressure head or the rod part; a processor; a power supply; the alarm is used for alarming when the pressing force is smaller than a preset pressing force threshold; wherein, pressure sensor, power and alarm all are connected with the treater electricity.
Preferably, the pressure sensor is provided inside the stem and is used to detect changes in deflection of the stem.
Preferably, the above-mentioned further includes a pressure presetter for setting a pressing force threshold, the pressure presetter being provided at the lever portion and electrically connected with the processor.
Preferably, the pressure head comprises an electromagnetic heating core and a pressure roller which are sleeved together from inside to outside; the electromagnetic heating core is electrically connected with the processor; two ends of the electromagnetic heating core are rotationally connected with the rod part; the press roller is made of soft material.
Preferably, the lever part comprises a compression lever and a mounting seat which are connected with each other; the electromagnetic heating core is in a shaft shape; the mounting seat is provided with a claw for rotationally clamping the electromagnetic heating core; the claw is provided with a conductive piece for electrically connecting the electromagnetic heating core, and the conductive piece is electrically connected with the processor.
Preferably, the outer side wall of the press roll is provided with a plurality of annular protrusions along the axial direction.
Preferably, the press roller has a circular knife shape.
Preferably, the above-mentioned infrared heater is further included in the shaft portion; the infrared heater is close to the pressure head and used for carrying out heat radiation heating on the prepreg layer to be pressed; the infrared heater is electrically connected with the processor.
Preferably, the alarm is a warning light, which can emit at least two colors for indicating whether the pressing force is smaller than a preset pressing force threshold.
Preferably, the rod part further comprises a handle, and the handle is sleeved with an anti-slip layer.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the pressure head is used for extruding the prepreg layer, the rod part is held to press the pressure head, the pressure sensor transmits a pressure signal to the processor after detecting the deformation of the pressure head or the deformation of the rod part, and if the applied pressure is smaller than a pressure preset threshold value, the alarm gives an alarm to remind an operator to increase the pressure, so that the pressure of the pressure head on the prepreg layer is always above the pressure preset threshold value, the phenomenon that air bubbles are introduced or the prepreg layer is not tightly paved in the paving process is avoided, and the operation is simple.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the structure of an extrusion device for molding a composite material according to an embodiment of the present invention;
FIG. 2 is a front view of an extrusion device for molding composite materials according to an embodiment of the present invention;
FIG. 3 is a schematic view of a mounting structure of a pressure sensor according to an embodiment of the present invention;
FIG. 4 is a schematic view of another mounting structure for a pressure sensor according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the structure of an electromagnetic heating core and a pressing roller according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of a shaft according to an embodiment of the present invention;
FIG. 7 is a schematic view of the structure of a ram according to an embodiment of the invention;
FIG. 8 is a schematic view of another configuration of a ram according to an embodiment of the invention;
fig. 9 is a schematic circuit diagram of an embodiment of the present invention.
Icon: 100. a pressure head; 110. an electromagnetic heating core; 120. a press roller; 1201. a protrusion; 130. a heat insulating layer; 140. a bearing; 200. a stem portion; 201. a slip hole; 210. a rod body; 2101. a clamping block; 220. a base; 2201. a mounting hole; 230. a compression bar; 240. a mounting base; 2401. a claw; 250. a handle; 300. a pressure sensor; 400. an alarm; 500. a first spring; 610. a slide block; 620. a second spring; 700. a pressure presetter; 810. a conductive module; 820. a conductive member; 830. a heating switch; 900. an infrared heater.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The present invention provides an extrusion device for molding composite materials, referring to fig. 1 and 2, comprising: a ram 100 for pressing the prepreg layer; a lever portion 200 rotatably connected to the ram 100; a pressure sensor 300 for detecting a pressure applied when the prepreg layer is pressed by the indenter 100, the pressure being represented by a deformation amount of the indenter 100 or the stem 200; the pressure sensor 300 is provided on the ram 100 or the lever 200; a processor; a power supply; an alarm 400 for alarming when the pressing force is smaller than a preset pressing force threshold; wherein the pressure sensor 300, the power supply and the alarm 400 are all electrically connected to the processor.
In detail, referring to fig. 1, 2 and 9, the pressure head 100 may be in a roll shape, the pressure head 100 is rotationally connected with the rod 200, an operator holds the rod 200 to roll the pressure head 100 on the prepreg layer and applies pressure to the rod 200, the pressure sensor 300 transmits a pressure signal to the processor after detecting the pressure applied by the pressure head 100, and if the applied pressure is smaller than a pressure preset threshold, the alarm 400 sends an alarm to remind the operator to increase the pressure, so that the pressure of the pressure head 100 on the prepreg layer is always above the pressure preset threshold, and air bubbles or loose laying are avoided in the prepreg layer laying process. The alarm 400 may be an indicator lamp, an audible and visual alarm lamp, or the like. The pressure applied to the ram 100 may be referred to as the amount of deformation of the ram 100 or the amount of deformation of the stem 200, whereby the pressure sensor 300 may be provided on the ram 100 or the stem 200 to detect the amount of deformation of the ram 100 or the stem 200.
In some embodiments, the pressure preset threshold may be set on the processor in advance.
In some embodiments, referring to fig. 2, the pressure sensor 300 may be a resistive strain gauge, the pressure sensor 300 may be disposed on the rod portion 200, the rod portion 200 may be made of a light alloy, and the rod portion 200 may undergo small deflection deformation after being pressed, where the resistive strain gauge deforms along with the rod portion 200, and the deformation represents the magnitude of the pressing force, and the larger the deformation, the larger the pressing force. In some embodiments, a pressure sensor 300 is disposed inside the stem 200 and is used to detect changes in deflection of the stem 200. The rod portion 200 can include a sleeve for holding, and the inner side wall of the sleeve is provided with a resistance strain gauge, so that the pressure sensor 300 can be conveniently hidden, the attractive appearance is good, and the pressure sensor 300 can be protected from being damaged by external sundries.
In other embodiments, the resistive strain gage may be disposed within the ram 100.
In some embodiments, referring to fig. 3, the stem 200 may include a stem 210 and a seat 220; the base 220 may be provided with mounting holes 2201; the rod body 210 may be formed by axially connecting two rods having different diameters (i.e., a thick rod and a thin rod), wherein the rod having a smaller diameter passes through the mounting hole 2201 and the end portion is provided with a clamping block 2101, and the cross-sectional area of the clamping block 2101 is larger than the cross-sectional area of the mounting hole 2201. The thin rod is sleeved with a first spring 500, one end of the first spring 500 is abutted against the rod body 210, the other end of the first spring is abutted against the seat body 220, the thin rod can also be sleeved with an annular pressure sensor 300, such as an annular through hole resistance type film pressure sensor, and the pressure sensor 300 is connected with one end of the first spring 500. After the rod 210 is axially pressed, it slides relative to the base 220 and compresses the first spring 500 to deform, and the pressure sensor 300 can detect the axial pressure of the rod 210.
In other embodiments, referring to fig. 4, the extrusion apparatus for composite molding may further include a slider 610 and a second spring 620; the two shaft ends of the pressure head 100 are respectively connected with a sliding block 610 in a rotating way, the rod part 200 can be provided with a strip-shaped sliding hole 201 along the axial direction of the rod, the sliding block 610 is matched with the sliding hole 201, a second spring 620 is positioned in the sliding hole 201, one end of the second spring 620 is connected with the rod part 200, the other end of the second spring is connected with the sliding block 610, and one end of the second spring 620 can be provided with a pressure sensor 300. When the ram 100 is pressed, the ram 100 presses the second spring 620 and moves axially with respect to the shaft 200, and the pressure sensor 300 detects the pressure of the ram 100.
In some embodiments, referring to fig. 2, a pressure presetter 700 for setting a pressing force threshold is further included, the pressure presetter 700 being provided at the lever 200 and electrically connected with the processor. In detail, the pressure preset 700 may be disposed on an outer sidewall of the lever 200, the pressure preset 700 may be a touch screen, an operator may set a threshold value of the pressing pressure by pressing the pressure preset 700, the threshold value may be 10n,20n, etc., and the pressure threshold value may be set as required.
In some embodiments, referring to fig. 5, the ram 100 includes an electromagnetic heating core 110 and a pressure roller 120 that are nested together from the inside out; the electromagnetic heating core 110 is electrically connected with the processor; the press roller 120 is rotatably connected with the rod part 200; the pressing roller 120 is made of a soft material. In detail, the electromagnetic heating core 110 may be provided with heat insulation layers 130 at both ends thereof, and the heat insulation layers 130 may be made of glass fiber, asbestos, rock wool, or the like. The heat insulating layer 130 is sleeved with the bearing 140, the bearing 140 is fixed on the rod portion 200, the rod portion 200 can be provided with a conductive module 810, the conductive module 810 is electrically connected with the electromagnetic heating core 110 from the axial direction, two ends of the electromagnetic heating core 110 can be respectively provided with a positive electrode and a negative electrode, and the two ends of the electromagnetic heating core 110 are respectively used for connecting the conductive modules 810 corresponding to the positive electrode and the negative electrode. The conductive module 810 may be cylindrical, and one end of the conductive module 810, which is close to the electromagnetic heating core 110, is an arc end, so that the conductive module 810 is in point contact with the electromagnetic heating core 110, and the electromagnetic heating core 110 may rotate relative to the conductive module 810.
The pressure roller 120 may be made of a soft material such as nylon, PTFE, etc. The temperature of the electromagnetic heating core 110 can be about 80 ℃, so that the pressing roller 120 can not be melted due to high temperature, the surface temperature of the pressing roller 120 is mild, and when the pressing roller rolls the prepreg layer, the prepreg layer can be smooth, and the prepreg layer is prevented from warping.
In some embodiments, referring to fig. 6, the stem 200 includes a strut 230 and a mount 240 that are interconnected; the electromagnetic heating core 110 is in a shaft shape; the mounting seat 240 is provided with a claw 2401 for rotationally clamping the electromagnetic heating core 110; the pawl 2401 is provided with a conductive member 820 for electrically connecting the electromagnetic heating core 110, the conductive member 820 being electrically connected to the processor. In detail, the electromagnetic heating core 110 is rotatably connected with the pawl 2401, the conductive member 820 is disposed at the bottom of the pawl 2401, and when the pressing rod 230 is held to press the pressing head 100, the electromagnetic heating core 110 contacts with the conductive member 820, and both ends of the electromagnetic heating core 110 are respectively positive and negative. In some embodiments, the conductive member 820 may be an electrode plate, and the pressing of the pressing head 100 drives the electromagnetic heating core 110 to press the conductive member 820 and conduct the heating circuit. The heating switch 830 electrically connected with the processor can be arranged on the pressure lever 230, and when heating is not needed, the heating switch 830 is turned off, so that the heating circuit is disconnected; heating switch 830 is turned on when heating.
In some embodiments, referring to fig. 7, the outer sidewall of the platen roller 120 is provided with a plurality of annular protrusions 1201 in the axial direction. In detail, for a prepreg layer of a plane or a curved surface, the prepreg layer is extruded by a pressing roller 120 with a protrusion 1201, the protrusion 1201 has a smaller surface area relative to the pressing roller 120, and the pressure after being pressed is larger, so that bubbles between the prepreg layers are easier to extrude. The protrusion 1201 may be pointed.
In some embodiments, referring to fig. 8, the pressure roller 120 is in the shape of a circular knife. In detail, for the prepreg layer of the corner, slope structure, it may be rolled with a circular knife-shaped press roller 120. The radius dimensions of the nip roll 120 may be 3mm, 5mm, 8mm, etc. so that the nip roll 120 can conform to an arcuate prepreg layer.
In some embodiments, referring to fig. 6, further comprising an infrared heater 900 disposed at the stem 200; the infrared heater 900 is close to the pressure head 100 and is used for carrying out heat radiation heating on the prepreg layer to be pressed; the infrared heater 900 is electrically connected to the processor. In detail, the infrared heater 900 may be an infrared electric heating tube, and the infrared heater 900 may be disposed at the front end of the stem 200 such that heat may be radiated in front of the ram 100, and a heat radiation width may be a projection width of the ram 100.
In some embodiments, referring to fig. 6, the alarm 400 is a warning light that can emit at least two colors for indicating whether the pressing force is less than a pressing force preset threshold. In detail, the warning lamp can emit red light and green light, when the pressing value reaches or is higher than the preset value, the alarm 400 feeds back a green signal, and when the pressing value is lower than the preset value, the alarm 400 feeds back a red signal to warn.
In some embodiments, referring to fig. 6, the stem 200 further includes a handle 250, the handle 250 being sleeved with an anti-slip layer. In detail, the anti-slip layer can be a nylon foaming sleeve, so that the operator cannot slip by hands due to sweat when holding the anti-slip layer. The power source and processor may be disposed within the handle 250 and the pressure sensor 300 may be disposed within the plunger 230.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An extrusion device for molding a composite material, comprising:
a ram for extruding the prepreg layer;
the rod part is rotationally connected with the pressure head;
a pressure sensor for detecting a pressure applied to the prepreg layer when the indenter is pressed, the pressure being represented by a deformation amount of the indenter or the rod portion; the pressure sensor is arranged on the pressure head or the rod part;
a processor;
a power supply;
the alarm is used for alarming when the pressing force is smaller than a preset pressing force threshold; wherein, the liquid crystal display device comprises a liquid crystal display device,
the pressure sensor, the power supply and the alarm are all electrically connected with the processor.
2. The extrusion press for composite molding according to claim 1, wherein the pressure sensor is provided inside the rod portion and is configured to detect a deflection change of the rod portion.
3. The extrusion press of claim 1, further comprising a pressure presetter for setting a pressing force threshold, the pressure presetter being disposed at the rod and electrically connected to the processor.
4. The extrusion device for composite material molding according to claim 1, wherein the ram comprises an electromagnetic heating core and a pressing roller which are sleeved together from inside to outside; the electromagnetic heating core is electrically connected with the processor; the two ends of the electromagnetic heating core are rotationally connected with the rod part; the press roller is made of soft material.
5. The extrusion press for molding composite materials according to claim 4, wherein the rod portion comprises a compression rod and a mounting seat which are connected to each other; the electromagnetic heating core is in a shaft shape; the mounting seat is provided with a claw for rotationally clamping the electromagnetic heating core; the claw is provided with a conductive piece for electrically connecting the electromagnetic heating core, and the conductive piece is electrically connected with the processor.
6. The extrusion press of claim 4, wherein the outer sidewall of the press roll is provided with a plurality of annular protrusions in an axial direction.
7. The extrusion press for molding composite materials according to claim 4, wherein the press roller has a circular knife shape.
8. The extrusion device for molding a composite material according to claim 1, further comprising an infrared heater provided at the rod portion; the infrared heater is close to the pressure head and used for carrying out heat radiation heating on the prepreg layer to be pressed; the infrared heater is electrically connected with the processor.
9. The extrusion press of claim 1, wherein the alarm is a warning light that emits at least two colors for indicating whether the pressing force is less than a preset pressing force threshold.
10. The extrusion device for molding composite materials according to claim 1, wherein the rod further comprises a handle, and the handle is sleeved with an anti-slip layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310511101.4A CN116238183A (en) | 2023-05-09 | 2023-05-09 | Extrusion device for composite material forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310511101.4A CN116238183A (en) | 2023-05-09 | 2023-05-09 | Extrusion device for composite material forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116238183A true CN116238183A (en) | 2023-06-09 |
Family
ID=86629803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310511101.4A Pending CN116238183A (en) | 2023-05-09 | 2023-05-09 | Extrusion device for composite material forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116238183A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722752A (en) * | 2013-12-31 | 2014-04-16 | 中国航空工业集团公司北京航空制造工程研究所 | Composite material prepreg tape laying mechanism with pressure detection device |
| CN111531923A (en) * | 2020-06-08 | 2020-08-14 | 中国水产科学研究院渔业机械仪器研究所 | Roller brush capable of displaying pressure and working method |
| CN114619685A (en) * | 2022-03-11 | 2022-06-14 | 中国航空制造技术研究院 | Hardness-controllable flexible compression roller and use method thereof |
-
2023
- 2023-05-09 CN CN202310511101.4A patent/CN116238183A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722752A (en) * | 2013-12-31 | 2014-04-16 | 中国航空工业集团公司北京航空制造工程研究所 | Composite material prepreg tape laying mechanism with pressure detection device |
| CN111531923A (en) * | 2020-06-08 | 2020-08-14 | 中国水产科学研究院渔业机械仪器研究所 | Roller brush capable of displaying pressure and working method |
| CN114619685A (en) * | 2022-03-11 | 2022-06-14 | 中国航空制造技术研究院 | Hardness-controllable flexible compression roller and use method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 伊本贵士等: "《lot最强教科书 完全版》", 中国铁道出版社, pages: 103 * |
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