CN102505340A - Method and device for preparing pre-oxidation fiber thick felt - Google Patents
Method and device for preparing pre-oxidation fiber thick felt Download PDFInfo
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- CN102505340A CN102505340A CN2011103115959A CN201110311595A CN102505340A CN 102505340 A CN102505340 A CN 102505340A CN 2011103115959 A CN2011103115959 A CN 2011103115959A CN 201110311595 A CN201110311595 A CN 201110311595A CN 102505340 A CN102505340 A CN 102505340A
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Abstract
The invention belongs to the technical field of preparation of a carbon fiber felt. A method for preparing a pre-oxidation fiber thick felt comprises the following steps: preparing a pre-oxidation fiber blank and cutting the pre-oxidation fiber blank so that the pre-oxidation fiber blank can enter a needling machine; conveying a layer of cut pre-oxidation fiber blank into the needling machine for needling by a conveyor belt; after completely needling one layer, paving another layer of pre-oxidation fiber blank on the needled pre-oxidation fiber blank so as to be needled; and paving a layer of pre-oxidation fiber blank on the previous layer of needled blank one by one, for be needled, thereby obtaining the pre-oxidation fiber thick felt. According to the method for preparing the pre-oxidation fiber thick felt provided by the invention, the pre-oxidation fiber thick felt with excellent uniformity can be prepared; after the pre-oxidation fiber thick felt is subjected to later carbonization treatment and high-temperature treatment, the carbon fiber felt with excellent heat-insulating property and long service life can be obtained; and the method provided by the invention has the advantages of simple equipment structure, simpleness in operation, continuous production and high production efficiency and is suitable for batch production; moreover, the prepared product has high quality.
Description
Technical field
The invention belongs to the technical field of carbon fiber felt preparation, particularly a kind of the preparatory oxygen silk of thin layer base substrate is carried out the method that acupuncture obtains the thick felt of preparatory oxygen silk, also relate to its equipment in addition.
Background technology
Carbon/carbon composite heat-insulated material because have that thermal conductivity factor is little, thermal capacity is low, density is little, linear expansion coefficient is little, high temperature resistant, heat shock resistance is strong, chemical resistance is strong, high-purity excellent performance such as pollution-free; Be widely used in Aero-Space, communication optical fiber, new forms of energy, high-performance ceramic manufacturing, field of crystal growth; And it becomes the requisite heat-barrier material of current polycrystalline silicon ingot or purifying furnace and monocrystalline silicon vertical pulling stove thermal field along with the development of new forms of energy photovoltaic industry, and extensively receiving to pay close attention to becomes a focus.
At present; Carbon/carbon composite heat-insulated material is mainly used in vacuum resistance furnace, induction furnace, sintering furnace, heat-treatment furnace etc.; Effect of heat insulation is good, compares with metallic reflection screen stove and can economize on electricity 75%, on high thermal efficiency hard alloy vacuum sintering furnace; Adopt the carbon felt to make insulation material, power savings reaches 46% ~ 50%.2010; According to relevant; Japan carbon element company develops the carbon fiber heat insulation material " mixing heat-barrier material " of high heat-proof quality; Can be used as energy-conservation material and be used in high temperature, the high-energy equipment, new product is the composite material that moulding heat-barrier material and the felt with carbon fiber is composited, and can take into account the advantages of heat insulation, size accurate two kind materials high with intensity.Test shows; Compare with using hard insulating material under certain condition; New material can be practiced thrift the power consumption about 30%, from now on also with manufacturing, solar cell silicon foundry furnace and the semiconductor crystal wafer production equipment etc. of considering to use it for ceramic post sintering that the exhaust gas from diesel vehicle filter uses, metal heat treatmet, terres rares magnetic material.In February, 2011; Germany Xi Geli group of world-famous carbon graphite material and Related product manufacturer and Zhejiang Jingsheng Electrical and Mechanical Co., Ltd. have signed the procurement contract that the hard felt of SIGRATHERM MFA graphite is worth 4,500 ten thousand RMB in Shanghai, be mainly used in the heat-barrier material of crystal oven thermal field.
Carbon fiber felt is a kind of main base substrate raw material of making carbon/carbon composite heat-insulated material.At present, industry uses carbon fiber felt as heat-barrier material, need reach certain thickness, and the method that therefore generally adopts is with the carbon felt cutting of 8 or 10 millimeters thick, is bonded to one, till meeting the requirements of thickness.Thisly utilize adhesive method to obtain thick carbon felt technology to have many weak points:
1, the material homogeneity is poor, and the heat-proof quality difference with interlayer in the layer is big;
2, heat-insulating property is poor, because in the bonding process, used a large amount of binding agents, causes density of product too high;
3, adhesion strength is low, easy of crack, layering when under hot environment, using.
Therefore; Need carbon fiber felt be made overall structure uses; And, in the preparation process, easily carbon fiber is caused damage because the preparatory oxygen silk of carbon fiber toughness is poor, so thereby generally selecting for use preparatory oxygen silk to prepare thick felt reduces damage; Pass through follow-up carbonization treatment and high temperature processing again, can obtain the carbon fiber heat insulation felt of heat-insulating property excellence, long service life.At present, the preparation method of the preparatory thick felt of oxygen silk is only at Chinese patent: a kind of preparation of heat preservation carbon felt with integral structure was mentioned in (200910265237.1), but did not provide detailed preparation method and equipment thereof.
Summary of the invention
The objective of the invention is to overcome above-mentioned not enough problem; A kind of method for preparing the thick felt of preparatory oxygen silk is provided; Preparatory oxygen silk base substrate through to thin layer carries out lamination acupuncture, and constantly increases acupuncture after the quantity of preparatory oxygen silk base substrate, can make the whole thick felt of the good preparatory oxygen silk of homogeneity; Improve the heat-insulating efficiency of heat-barrier material, satisfied the requirement of its use.Another object of the present invention provides a kind of equipment for preparing the thick felt of preparatory oxygen silk, and is simple and practical, easy operating, and good product effect, production efficiency is high.
The present invention for realizing the technical scheme that above-mentioned purpose adopted is: a kind of method for preparing the thick felt of preparatory oxygen silk; At first prepare preparatory oxygen silk base substrate; And be cut into the acupuncture function spread into size, then the preparatory oxygen silk of the one deck after cutting base substrate is sent into needing machine through conveyer belt and carries out acupuncture, carry out acupuncture to the preparatory oxygen silk of upper berth one deck base substrate again after one deck is accomplished; On the resulting base substrate in upper strata, repave the folded preparatory oxygen silk of one deck base substrate one by one and carry out acupuncture, can obtain the thick felt of preparatory oxygen silk.
The method of the thick felt of the preparatory oxygen silk of said preparation, concrete steps are following:
The first step is got the raw materials ready: at first weak point is cut preparatory oxygen silk through the opener shredding; Then weak point after the shredding is cut preparatory oxygen silk and be paved into the preparatory oxygen silk screen tire of net formation through carding machine and air-laid machine; At last preparatory oxygen silk screen tire is carried out acupuncture through needing machine and form the preparatory oxygen silk of 3-5mm base substrate, and it is cut into the acupuncture function spreads small-sized preparatory oxygen silk base substrate into size;
The preparatory oxygen silk of second step preparation individual layer felt: the small-sized preparatory oxygen silk base substrate of one deck is spread on the needing machine input and output material panel; Conveyer belt is sent into small-sized preparatory oxygen silk base substrate on the needing machine base plate; Needle plate pumps; Make the thorn on the needle plate carry out acupuncture to the small-sized preparatory oxygen silk base substrate of this layer, after an acupuncture was accomplished, the small-sized preparatory oxygen silk base substrate after the acupuncture arrived on the input and output material panel of opposite side; After this small-sized preparatory oxygen silk base substrate after the conveyer belt drive acupuncture moves in the other direction and carries out the acupuncture second time, and so back and forth acupuncture is 2-4 time, and acupuncture obtains the preparatory oxygen silk of individual layer felt after accomplishing, and gets back on the conveyer belt;
The thick felt of the 3rd step preparatory oxygen silk of preparation: on the preparatory oxygen silk of individual layer felt, repave the folded small-sized preparatory oxygen silk base substrate of one deck, base plate is reduced 1.5-2.0mm, carry out acupuncture, can the acupuncture of two-layer small-sized preparatory oxygen silk base substrate be become a base substrate according to the operation in second step; By that analogy, on the resulting base substrate in upper strata, repave the folded small-sized preparatory oxygen silk base substrate of one deck one by one, every shop one deck, base plate height downward modulation 1.5-2.0mm is up to obtaining the thick felt of preparatory oxygen silk that thickness is 15-50mm.
The transfer rate of said conveyer belt is 20-50mm/s.
The frequency that said needing machine carries out acupuncture is 20-30HZ, adopts vertical or oblique angle acupuncture.
The thorn pin density of said pricker is 1000-4000 pin/rice.
A kind of equipment that method adopted for preparing the thick felt of preparatory oxygen silk, equipment comprises base, body frame, support bar, base plate, pinhole plate feeding-discharging mechanism, acupuncture mechanism and elevating mechanism; Acupuncture mechanism is fixedly installed in body frame top, and pinhole plate is installed on the support bar lower end, pinhole plate be positioned at acupuncture mechanism under; Elevating mechanism is fixedly installed on the base; Base plate is installed on the top of elevating mechanism, and over against the pinhole plate lower position, acupuncture mechanism is parallel with base plate; Feeding-discharging mechanism two side portions symmetry is fixedly installed in the body frame both sides, and the feeding-discharging mechanism mid portion is installed on the elevating mechanism, and is positioned under the base plate.
Said acupuncture mechanism employing is gone up motor and is fixedly installed on the body frame, and bearing fixing is installed on the motor below, and the needle plate lid is fixedly installed in the bearing lower end, and needle plate is fixedly installed in needle plate lid lower end, and pricker is fixed on the needle plate bottom, and vertical with needle plate.
Motor was fixedly installed on the base under said elevating mechanism adopted, and leading screw is fixedly installed in down on the motor, and gripper shoe is fixedly installed on the leading screw.
Said feeding-discharging mechanism comprises two side portions and mid portion, and its two side portions adopts the input and output material panel to be fixedly installed on the input and output material panel rack, and roller bearing is installed on the input and output material panel rack, and conveyer belt is installed on the roller bearing; The intermediate portion adopts roller support to be fixedly installed on the body frame sidewall, and middle motor is fixedly installed in the body frame bottom, and its two side portions is connected through conveyer belt with mid portion.
Remarkable result of the present invention is that the preparatory oxygen silk of thin layer base substrate is carried out lamination acupuncture; Successfully obtained the thick felt of preparatory oxygen silk; Through meticulous control to needling process, grasped the relation between needling process parameter and the preparatory thick felt density of oxygen silk, thereby through adjustment needling process parameter; Obtain the thick felt of preparatory oxygen silk of desired density, reach the requirement of heat-barrier material heat-insulating efficiency.The present invention adopts the whole felt of acupuncture, and non-traditional thin layer bonding makes, and so not only can improve the homogeneity of material, and improve the heat-proof quality of material, and its thickness has satisfied the requirement of industry standard plate.
The invention provides a kind of method for preparing the thick felt of preparatory oxygen silk, can make the whole felt of the good preparatory oxygen silk of homogeneity,, can obtain the carbon fiber heat insulation felt of heat-insulating property excellence, long service life through after the carbonization treatment and high temperature processing in later stage through this method.Device structure of the present invention is simple, and is simple to operate, and the good product quality of acquisition can be produced continuously, and production efficiency is high, is fit to produce in batches.
Description of drawings
Fig. 1 adopts the structure diagram of equipment for a kind of method for preparing the thick felt of preparatory oxygen silk.Among the figure, 1, conveyer belt, 2, the input and output material panel, 3, roller bearing, 4, the input and output material panel rack; 5, go up motor, 6, bearing, 7, the needle plate lid, 8, needle plate, 9, pricker; 10, pinhole plate, 11, support bar, 12, base plate, 13, middle motor, 14, roller support; 15, leading screw, 16, base, 17, motor down, 18, the needle plate support, 19, gripper shoe.
The specific embodiment
Specify the present invention below in conjunction with specific embodiment and accompanying drawing, but the present invention is not limited to specific embodiment.
Like the described a kind of equipment for preparing the thick felt of preparatory oxygen silk of Fig. 1, equipment comprises base 16, body frame 18, support bar 11, base plate 12, pinhole plate feeding-discharging mechanism, acupuncture mechanism and elevating mechanism.
The acupuncture mechanism employing is gone up motor 5 and is fixedly installed on the body frame 18, and bearing 6 is fixedly installed in motor 5 belows, and needle plate lid 7 is fixedly installed in the bearing lower end, and needle plate 8 is fixedly installed in needle plate and covers 7 lower ends, and pricker 9 is fixed on needle plate 8 bottoms.
Feeding-discharging mechanism comprises two side portions and mid portion, and its two side portions adopts roller bearing 3 to be installed on the input and output material panel rack 4, and input and output material panel 2 is fixedly installed on the input and output material panel rack 4, and conveyer belt 1 is installed on the roller bearing; The intermediate portion adopts roller support 14 to be fixedly installed on body frame 18 sidewalls, and middle motor 13 is fixedly installed in body frame 18 bottoms, and its two side portions is connected through conveyer belt 1 with mid portion.
Acupuncture mechanism is fixedly installed in body frame 18 tops; Pinhole plate 10 is installed on support bar 11 lower ends; Pinhole plate 10 be positioned at acupuncture mechanism under, elevating mechanism is fixedly installed on the base 16, base plate 12 is installed on the top of elevating mechanism; And over against pinhole plate 10 lower positions, acupuncture mechanism is parallel with base plate or be the oblique angle; Feeding-discharging mechanism two side portions symmetry is fixedly installed in body frame 18 both sides, and the feeding-discharging mechanism mid portion is installed on the elevating mechanism, and is positioned under the base plate.
Adopt embodiment 1 described equipment to prepare the thick felt of preparatory oxygen silk; At first prepare preparatory oxygen silk base substrate, and be cut into the acupuncture function spread into size, then the preparatory oxygen silk of the one deck after cutting base substrate is sent into needing machine through conveyer belt and carries out acupuncture; One deck carries out acupuncture to the preparatory oxygen silk of upper berth one deck base substrate after accomplishing again; On the resulting base substrate in upper strata, repave the folded preparatory oxygen silk of one deck base substrate one by one and carry out acupuncture, can obtain the thick felt of preparatory oxygen silk, concrete steps are following:
The first step is got the raw materials ready: at first weak point is cut preparatory oxygen silk through the opener shredding; Then weak point after the shredding is cut preparatory oxygen silk and be paved into the preparatory oxygen silk screen tire of net formation through carding machine and air-laid machine; At last preparatory oxygen silk screen tire is carried out acupuncture (vertical or oblique miter angle acupuncture all can) through needing machine, forming thickness is the preparatory oxygen silk of 3mm base substrate, and it is cut into the acupuncture function spreads the small-sized preparatory oxygen silk base substrate into size.
The preparatory oxygen silk of second step preparation individual layer felt: the small-sized preparatory oxygen silk base substrate of one deck is spread on the needing machine input and output material panel 2, and motor 13 in the startup, drive conveyer belt 1 and rotate; Conveyer belt 1 is sent into small-sized preparatory oxygen silk base substrate on the needing machine base plate 12, and the speed of conveyer belt 1 is controlled by middle motor 13, and its speed is 20mm/s; Last motor 5 starts; Drive needle plate 8 through bearing 6 and pump, make that the pricker 9 on the needle plate 8 carries out acupuncture to the small-sized preparatory oxygen silk base substrate of this one deck, the thorn pin density of pricker 9 is 4000 pin/rice; Needing machine carries out the frequency of acupuncture by last motor 5 controls; Its frequency is 20HZ, and after an acupuncture was accomplished, the small-sized preparatory oxygen silk base substrate after the acupuncture arrived on the input and output material panel 2 of opposite side; After this middle motor 13 counter-rotatings, the small-sized preparatory oxygen silk base substrate after the conveyer belt 1 drive acupuncture moves in the other direction and carries out the acupuncture second time, and so back and forth acupuncture is 2 times, and acupuncture obtains the preparatory oxygen silk of individual layer felt after accomplishing, and gets back on the conveyer belt 1.
The thick felt of the 3rd step preparatory oxygen silk of preparation: on the preparatory oxygen silk of individual layer felt, repave the folded small-sized preparatory oxygen silk base substrate of one deck, base plate 12 is reduced 1.5mm, carry out acupuncture, can the acupuncture of two-layer small-sized preparatory oxygen silk base substrate be become a base substrate according to the operation in second step through following motor 17; By that analogy, on the resulting base substrate in upper strata, repave the folded small-sized preparatory oxygen silk base substrate of one deck one by one, every shop one deck, base plate 12 is highly reduced 1.5mm, and up to obtaining the thick felt of preparatory oxygen silk that thickness is 30mm, its density is 0.221g/cm
3
Adopt embodiment 1 described equipment to prepare the thick felt of preparatory oxygen silk:
The first step is got the raw materials ready: at first weak point is cut preparatory oxygen silk through the opener shredding; Then weak point after the shredding is cut preparatory oxygen silk and be paved into the preparatory oxygen silk screen tire of net formation through carding machine and air-laid machine; At last preparatory oxygen silk screen tire being carried out acupuncture through needing machine, to form thickness be the preparatory oxygen silk of 5mm base substrate, and it is cut into the acupuncture function spreads the small-sized preparatory oxygen silk base substrate into size.
The preparatory oxygen silk of second step preparation individual layer felt: the small-sized preparatory oxygen silk base substrate of one deck is spread on the needing machine input and output material panel 2, and motor 13 in the startup, drive conveyer belt 1 and rotate; Conveyer belt 1 is sent into small-sized preparatory oxygen silk base substrate on the needing machine base plate 12, and the speed of conveyer belt 1 is controlled by middle motor 13, and its speed is 40mm/s; Last motor 5 starts; Drive needle plate 8 through bearing 6 and pump, make that the pricker 9 on the needle plate 8 carries out acupuncture to the small-sized preparatory oxygen silk base substrate of this one deck, the thorn pin density of pricker 9 is 1000 pin/rice; Needing machine carries out the frequency of acupuncture by last motor 5 controls; Its frequency is 30Hz, and after an acupuncture was accomplished, the small-sized preparatory oxygen silk base substrate after the acupuncture arrived on the input and output material panel 2 of opposite side; After this middle motor 13 counter-rotatings, the small-sized preparatory oxygen silk base substrate after the conveyer belt 1 drive acupuncture moves in the other direction and carries out the acupuncture second time, and so back and forth acupuncture is 4 times, and acupuncture obtains the preparatory oxygen silk of individual layer felt after accomplishing, and gets back on the conveyer belt 1.
The thick felt of the 3rd step preparatory oxygen silk of preparation: on the preparatory oxygen silk of individual layer felt, repave the folded small-sized preparatory oxygen silk base substrate of one deck, base plate 12 is reduced 2.0mm, carry out acupuncture, can the acupuncture of two-layer small-sized preparatory oxygen silk base substrate be become a base substrate according to the operation in second step through following motor 17; By that analogy, on the resulting base substrate in upper strata, repave the folded small-sized preparatory oxygen silk base substrate of one deck one by one, every shop one deck, base plate 12 is highly reduced 2.0mm, and up to obtaining the thick felt of preparatory oxygen silk that thickness is 50mm, its density is 0.183g/cm
3
Adopt embodiment 1 described equipment to prepare the thick felt of preparatory oxygen silk, the density of the thick felt of preparatory oxygen silk of various concrete technological parameters and acquisition is as shown in the table:
| Punch frequency/HZ | Input and output material speed/mms -1 | Acupuncture number of times (reciprocal time)/inferior | Pricker density bullet/rice | Downward modulation height/mm | Thickness mm | Density/gcm -3 |
| 25 | 20 | 6（3） | 3000 | 2.0 | 15 | 0.146 |
| 25 | 30 | 6（3） | 3000 | 2.0 | 15 | 0.144 |
| 25 | 40 | 6（3） | 3000 | 2.0 | 15 | 0.140 |
| 25 | 50 | 6（3） | 3000 | 2.0 | 15 | 0.138 |
| 20 | 40 | 6（3） | 3000 | 2.0 | 15 | 0.129 |
| 30 | 40 | 6（3） | 3000 | 2.0 | 15 | 0.142 |
| 20 | 40 | 4（2） | 3000 | 2.0 | 15 | 0.117 |
| 20 | 40 | 5（2.5） | 3000 | 2.0 | 15 | 0.123 |
| 30 | 50 | 4（2） | 3000 | 2.0 | 15 | 0.127 |
| 20 | 40 | 4（2） | 2000 | 2.0 | 40 | 0.163 |
| 20 | 30 | 6（3） | 2000 | 2.0 | 40 | 0.186 |
| 25 | 30 | 6（3） | 2000 | 1.5 | 40 | 0.215 |
Claims (9)
1. method for preparing the thick felt of preparatory oxygen silk; It is characterized in that: at first prepare preparatory oxygen silk base substrate; And be cut into the acupuncture function spread into size, then the preparatory oxygen silk of the one deck after cutting base substrate is conveyed into needing machine through conveyer belt and carries out acupuncture, carry out acupuncture to the preparatory oxygen silk of upper berth one deck base substrate again after one deck is accomplished; On the resulting base substrate in upper strata, repave the folded preparatory oxygen silk of one deck base substrate one by one and carry out acupuncture, can obtain the thick felt of preparatory oxygen silk.
2. a kind of method for preparing the thick felt of preparatory oxygen silk according to claim 1, it is characterized in that: said method concrete steps are following:
The first step is got the raw materials ready: at first weak point is cut preparatory oxygen silk through the opener shredding; Then the weak point after the shredding is cut preparatory oxygen silk and be paved into the preparatory oxygen silk screen tire of net formation through carding machine and air-laid machine; At last preparatory oxygen silk screen tire is carried out acupuncture through needing machine and form the preparatory oxygen silk of 3-5mm base substrate, and it is cut into the acupuncture function spreads small-sized preparatory oxygen silk base substrate into size;
The preparatory oxygen silk of second step preparation individual layer felt: the small-sized preparatory oxygen silk base substrate of one deck is spread on the needing machine input and output material panel (2); Conveyer belt (1) is sent into small-sized preparatory oxygen silk base substrate on the needing machine base plate (12); Needle plate (8) pumps; Make the pricker (9) on the needle plate (8) carry out acupuncture to the small-sized preparatory oxygen silk base substrate of this one deck, after an acupuncture was accomplished, the small-sized preparatory oxygen silk base substrate after the acupuncture arrived on the input and output material panel (2) of opposite side; After this small-sized preparatory oxygen silk base substrate after conveyer belt (1) the drive acupuncture moves in the other direction and carries out the acupuncture second time, and so back and forth acupuncture is 2-4 time, and acupuncture obtains the preparatory oxygen silk of individual layer felt after accomplishing, and gets back on the conveyer belt (1);
The thick felt of the 3rd step preparatory oxygen silk of preparation: on the preparatory oxygen silk of individual layer felt, repave the folded small-sized preparatory oxygen silk base substrate of one deck, base plate (12) is reduced 1.5-2.0mm, carry out acupuncture, can the acupuncture of two-layer small-sized preparatory oxygen silk base substrate be become a base substrate according to the operation in second step; By that analogy, on the resulting base substrate in upper strata, repave the folded small-sized preparatory oxygen silk base substrate of one deck one by one, every shop one deck, base plate (12) is highly reduced 1.5-2.0mm, up to obtaining the thick felt of preparatory oxygen silk that thickness is 15-50mm.
3. according to claim 1 or 2 arbitrary described a kind of methods that prepare the thick felt of preparatory oxygen silk, it is characterized in that: the transfer rate of said conveyer belt (1) is 20-50mm/s.
4. according to claim 1 or 2 arbitrary described a kind of methods that prepare the thick felt of preparatory oxygen silk, it is characterized in that: the frequency that said needing machine carries out acupuncture is 20-30HZ, adopts vertical or oblique angle acupuncture.
5. the thick felt method of the preparatory oxygen silk of a kind of preparation according to claim 2 is characterized in that: the thorn pin density of said pricker (9) is 1000-4000 pin/rice.
6. equipment that method adopted for preparing the thick felt of preparatory oxygen silk, it is characterized in that: equipment comprises base (16), body frame (18), support bar (11), base plate (12), pinhole plate (10) feeding-discharging mechanism, acupuncture mechanism and elevating mechanism; Acupuncture mechanism is fixedly installed in body frame (18) top; Pinhole plate (10) is installed on support bar (11) lower end; Pinhole plate (10) be positioned at acupuncture mechanism under, elevating mechanism is fixedly installed on the base (16), base plate (12) is installed on the top of elevating mechanism; And over against pinhole plate (10) lower position, acupuncture mechanism is parallel with base plate; Feeding-discharging mechanism two side portions symmetry is fixedly installed in body frame (18) both sides, and the feeding-discharging mechanism mid portion is installed on the elevating mechanism, and is positioned under the base plate.
7. a kind of equipment for preparing the thick felt of preparatory oxygen silk according to claim 6; It is characterized in that: said acupuncture mechanism employing is gone up motor (5) and is fixedly installed on the body frame (18); Bearing (6) is fixedly installed in motor (5) below, and needle plate lid (7) is fixedly installed in the bearing lower end, and needle plate (8) is fixedly installed in needle plate lid (7) lower end; Pricker (9) is fixed on needle plate (8) bottom, and vertical with needle plate.
8. a kind of equipment for preparing the thick felt of preparatory oxygen silk according to claim 6; It is characterized in that: motor (17) was fixedly installed on the base (16) under said elevating mechanism adopted; Leading screw (15) is fixedly installed in down on the motor (17), and gripper shoe (19) is fixedly installed on the leading screw (15).
9. a kind of equipment for preparing the thick felt of preparatory oxygen silk according to claim 6; It is characterized in that: said feeding-discharging mechanism comprises two side portions and mid portion; Its two side portions adopts input and output material panel (2) to be fixedly installed on the input and output material panel rack (4); Roller bearing (3) is installed on the input and output material panel rack (4), and conveyer belt (1) is installed on the roller bearing; The intermediate portion adopts roller support (14) to be fixedly installed on body frame (18) sidewall, and middle motor (13) is fixedly installed in body frame (18) bottom, and its two side portions is connected through conveyer belt (1) with mid portion.
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| CN104073976A (en) * | 2014-07-21 | 2014-10-01 | 西安康本材料有限公司 | Preparation method of Z-direction high-strength pre-oxidized fiber thick felt |
| CN104073976B (en) * | 2014-07-21 | 2016-06-22 | 西安康本材料有限公司 | A kind of preparation method of Z-direction high intensity oxidization fiber thickness felt |
| CN104191717A (en) * | 2014-09-18 | 2014-12-10 | 赵丽玫 | Carbon fiber insulation board preform and preparation method thereof |
| CN104191717B (en) * | 2014-09-18 | 2016-03-30 | 赵丽玫 | Carbon fiber thermal insulation sheet material precast body and preparation method thereof |
| CN104480635A (en) * | 2014-12-08 | 2015-04-01 | 无锡市天元电脑绗缝机有限公司 | Conveyer for expanded polyethylene foam machines |
| CN105256467A (en) * | 2015-11-05 | 2016-01-20 | 汕头三辉无纺机械厂有限公司 | High-frequency raising needling machine |
| CN105332166A (en) * | 2015-11-23 | 2016-02-17 | 江南大学 | Two-layer variable density carbon fiber needling preform and preparation method thereof |
| CN106988023A (en) * | 2017-05-10 | 2017-07-28 | 上海应用技术大学 | A kind of path felt covers needing machine |
| CN107719128A (en) * | 2017-09-29 | 2018-02-23 | 江苏天鸟高新技术有限责任公司 | Carbon fiber-metal composite material needling preform and preparation method thereof |
| CN107719128B (en) * | 2017-09-29 | 2024-01-23 | 江苏天鸟高新技术股份有限公司 | Carbon fiber composite metal material needled preform and preparation method thereof |
| CN108565470A (en) * | 2018-04-17 | 2018-09-21 | 大连隆田科技有限公司 | A kind of preparation method of flow battery graphite felt |
| CN108565470B (en) * | 2018-04-17 | 2020-10-13 | 大连隆田科技有限公司 | Preparation method of graphite felt for flow battery |
| CN109267243A (en) * | 2018-12-11 | 2019-01-25 | 上海善巧碳素设备科技有限公司 | Brake block needing machine and brake block production method |
| CN109267243B (en) * | 2018-12-11 | 2023-08-15 | 常州善巧复合材料科技有限公司 | Brake pad needling machine and brake pad production method |
| CN113524826A (en) * | 2020-04-13 | 2021-10-22 | 常州有信环保技术有限公司 | Circulating needling thick felt and processing technology thereof |
| CN111350028A (en) * | 2020-04-20 | 2020-06-30 | 上海高观达材料科技有限公司 | Pre-oxidized fiber needled felt for battery module buffering heat insulation pad and production process thereof |
| CN114086324A (en) * | 2021-11-12 | 2022-02-25 | 上海大学 | Controllable electric needling forming device |
| CN114086324B (en) * | 2021-11-12 | 2022-12-02 | 上海大学 | Controllable electric needling forming device |
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Application publication date: 20120620 |