CN211872241U - Backspacing device of special needle machine for asphalt-based carbon fiber - Google Patents
Backspacing device of special needle machine for asphalt-based carbon fiber Download PDFInfo
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- CN211872241U CN211872241U CN202020321644.1U CN202020321644U CN211872241U CN 211872241 U CN211872241 U CN 211872241U CN 202020321644 U CN202020321644 U CN 202020321644U CN 211872241 U CN211872241 U CN 211872241U
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 24
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000010426 asphalt Substances 0.000 title description 3
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000009950 felting Methods 0.000 claims description 8
- 238000001467 acupuncture Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000010985 leather Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 10
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012547 material qualification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of carbon fiber processing, in particular to a backspacing device of a special needle machine for pitch-based carbon fiber, which comprises a needle mechanism and a backspacing mechanism, wherein the needle mechanism and the backspacing mechanism are arranged oppositely and are all fixed on a fixed bracket of the needle machine; the structure solves the problems that in the prior art, needle punching is uneven and density arrangement is unreasonable due to the fact that needle punching is carried out because needle punched felts are bonded with needle holes in the supporting plate, the felt qualified rate is improved, and the needle breakage phenomenon is reduced.
Description
Technical Field
The utility model relates to a carbon fiber processing technology field, specific backspacing device of special needle loom of pitch base carbon fiber that says so.
Background
The needle machine is a blanket forming device which is used for weaving a refractory fiber blanket blank with a certain thickness into a refractory fiber blanket through compaction and needling, a fiber net is repeatedly punctured by using a puncturing needle, and various textures are punctured on a finished product through synchronous matching of a material conveying mechanism.
When a needle machine commonly used in the textile industry is used, due to the physical characteristics of the asphalt-based carbon fibers, such as thickness, hardness, inelasticity and the like, the problems of uneven needling of the needled material felt, unreasonable density arrangement, material hanging at needle points, needling and bonding of the material felt and a supporting plate by felting needles and the like occur, and the problems lead to the consequences that the discharge qualified rate of the carbon fiber material felt is low, the bonding rate of the material felt is poor, the needle machine is frequently inspected and maintained, the production efficiency is low, and customers are not satisfied and the like.
Chinese patent document CN105256466B discloses a high-frequency apposition opposite needling machine, which comprises a frame, a net feeding mechanism, a lower net stripping plate, an upper net stripping plate, a needling mechanism and a drawing mechanism; the upper needling mechanism comprises two upper transmission shaft assemblies and two upper needling assemblies, the lower needling mechanism comprises two lower transmission shaft assemblies and two lower needling assemblies, the upper transmission shaft assemblies and the lower transmission shaft assemblies respectively comprise a left half shaft, a right half shaft and a plurality of crankshafts, the crankshafts comprise two shaft heads and a boss which are integrally connected, and the boss is cylindrical and the center line of the boss deviates from the axis of the shaft head; one crankshaft in the upper transmission shaft assembly corresponds to one upper lifting transmission mechanism, and the upper end of an upper rocker arm in the upper lifting transmission mechanism is sleeved on a boss of the corresponding crankshaft; one crankshaft in the lower transmission shaft assembly corresponds to one lower lifting transmission mechanism, and the lower end of a lower rocker arm in the lower lifting transmission mechanism is sleeved on a boss of the corresponding crankshaft. The invention has high needling frequency and small vibration excitation amount, is beneficial to improving the production efficiency and the product quality, but the needled felt can be bonded with the felting needle holes of the supporting plate after needling in the device, has the problems of uneven needling, unreasonable density arrangement and the like, reduces the production efficiency, and even can cause needle breakage after long-time operation and damage the machine.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned prior art, the utility model discloses a special needle loom of pitch base carbon fiber's device that rolls back, the device have solved the problem that the carbon fiber material felt ejection of compact qualification rate is low, the material felt bonding rate is poor among the prior art, have improved production efficiency.
The utility model discloses a specific technical scheme as follows: the utility model provides a special needle loom's of pitch base carbon fiber device that moves back, includes the acupuncture mechanism and moves back the mechanism, the acupuncture mechanism with it sets up relatively to move back the mechanism, and all fix on the fixed bolster of needle loom.
The needling mechanism comprises a felting needle, a needling board supporting plate and a felting needle stripping plate, wherein the needling board is a rectangular long board, and the surface of the needling board is provided with a plurality of felting needle fixing holes; the main body part of the needle stripping plate is a rectangular strip plate, the edges of the two sides of the strip plate are vertical to the main body part of the needle stripping plate and extend out of a side plate, the whole strip plate is of a U-shaped structure, and the surface of the main body part of the needle stripping plate is provided with a needle hole corresponding to the needle fixing hole on the needle plate; the pricking pin plate supporting plate is located in the U-shaped structure of the pricking pin stripping plate, the pricking pin plate supporting plate is fixedly connected with the pricking pin plate, and the root of the pricking pin penetrates through the pricking pin fixing hole and is clamped and fixed between the pricking pin plate supporting plate and the pricking pin plate.
The backspacing mechanism comprises a backspacing needle stripping plate, a backspacing needle plate and a backspacing needle plate supporting plate, wherein the backspacing needle plate is a rectangular long strip plate, and a plurality of backspacing needle fixing holes are formed in the surface of the backspacing needle plate; the main body part of the retreating needle stripping plate is a rectangular strip plate, the edges of two sides of the strip plate extend out of a side plate perpendicular to the main body part of the retreating needle stripping plate, the whole body is of a U-shaped structure, and the surface of the main body part of the retreating needle stripping plate is provided with retreating needle holes corresponding to retreating needle fixing holes in a retreating needle plate; the retractable needle plate supporting plate is located in a U-shaped structure of the retractable needle stripping plate, the retractable needle plate supporting plate is fixedly connected with the retractable needle plate, the root of the retractable needle penetrates through the retractable needle fixing hole and is clamped and fixed between the retractable needle plate supporting plate and the retractable needle plate, a variable-diameter conical hole corresponding to the retractable needle fixing hole is formed in the retractable needle stripping plate, and the major diameter direction of the variable-diameter conical hole is consistent with the direction of a U-shaped opening of the retractable needle stripping plate.
Preferably, the retracting needle fixing hole, the puncture needle fixing hole and the variable-diameter tapered hole are coaxial in the vertical direction, and the number of the retracting needle fixing holes corresponds to that of the variable-diameter tapered holes one by one.
Preferably, four fixing columns are fixedly connected between the pricking pin plate supporting plate and the returning pin plate supporting plate, the fixing columns are respectively vertical to the surfaces of the pricking pin plate supporting plate and the returning pin plate supporting plate and are positioned at four corners of the pricking pin plate supporting plate and the returning pin plate supporting plate, and the pricking pins and the returning pins move in opposite directions through the fixing columns.
Preferably, the surface of the needle plate, which is opposite to the needle plate supporting plate, is provided with a needle plate coating skin; and the surface of the retraction needle plate, which is back to the retraction needle plate supporting plate, is provided with a retraction needle plate coating leather.
Preferably, the protection devices are arranged on two sides of the backing needle plate supporting plate, the main body part of each protection device is a rectangular long strip plate, one side of each protection device is vertically fixed on the surface of the backing needle plate supporting plate, the other side of each protection device horizontally extends to form a flange along the opposite direction of the protection device, and the overall cross section of the single-side protection device is in an L-shaped structure.
Preferably, a plurality of fixing pin holes are symmetrically formed at two ends of the needling board and the retraction needle board.
Preferably, the surfaces of the main body parts of the pricking pin stripping plate and the backspacing needle stripping plate are symmetrically provided with a plurality of fixing pin holes, and the fixing pin holes are positioned at two ends of the pricking pin stripping plate or the backspacing needle stripping plate.
Preferably, the needle peeling plate and the U-shaped structure of the needle peeling plate are both provided with a plurality of cleaning holes.
Preferably, the pricking pin stripping plate and the retreating pin stripping plate are both provided with a fine-adjustment connecting block between the fixing supports of the needling machine, the fine-adjustment connecting block is a rectangular block, a plurality of circular fixing holes are formed in one side face of the fine-adjustment connecting block, a plurality of groove-shaped fixing holes are formed in adjacent side faces of the fine-adjustment connecting block, and the circular fixing holes and the groove-shaped fixing holes are perpendicular in axis and do not intersect.
Preferably, the device also comprises a lifting mechanism, and the lifting mechanism is fixedly connected with the pricking pin plate supporting plate and drives the pricking pin plate and the backspacing pin plate to reciprocate vertically.
The utility model discloses the beneficial effect who has does:
1. the device adopts the backspacing needle of new design to shell the board to do the toper to the corresponding hole of backspacing needle and handle, with accord with carbon fiber felt physical property requirement, and the requirement of the back feed after the acupuncture, reduced the needle phenomenon of splitting of backspacing, reduce the material by a wide margin and piled up from aperture upper portion, avoid dragging the material felt that stagnates and remove, improved the felt material qualification rate.
2. All the holes on the needle plate, the needle stripping plate, the needle backing plate and the needle backing plate in the device are in one-to-one correspondence, the needle plates are large in number, the needle holes are densely distributed, the equipment operation frequency is high, the duration is long, and the production efficiency can be further improved.
3. The pricking pin and the backspacing pin move in the same direction, so that the relative movement of the pins is avoided, the breaking phenomenon is avoided, the machine damage is also avoided, and the maintenance cost is reduced.
4. The pricking pin plate and the backspacing needle plate in the device are both quick-dismantling type, so that the pricking pin is convenient to inspect, maintain and replace.
5. The back needle plate supporting plate and the needle plate supporting plate are provided with the connecting blocks which can be finely adjusted at two ends to adapt to the fine adjustment corresponding relation of the back needle and the material plate corresponding holes, and the phenomenon that the needle is broken in a large area due to the fact that the needle and the back needle are staggered after long-time operation is avoided.
Drawings
FIG. 1 is a schematic diagram of a retracting device of a needle machine for pitch-based carbon fiber in the present invention;
FIG. 2 is a schematic structural view of a needle punching mechanism and a retraction mechanism of the present invention;
FIG. 3 is a schematic structural diagram of a needling mechanism of the present invention;
fig. 4 is a schematic structural diagram of a retraction mechanism in the present invention;
FIG. 5 is a schematic structural view of a tapered hole with a variable diameter in the retreating needle stripping plate of the present invention;
FIG. 6 is a schematic view of the structure of the needle plate of the present invention;
FIG. 7 is a schematic structural view of a middle retracting needle plate of the present invention
FIG. 8 is a front view of the needle stripper of the present invention;
FIG. 9 is a top view of the needle stripper of the present invention;
FIG. 10 is a front view of the stripper plate of the retractable needle of the present invention;
FIG. 11 is a top view of the needle stripper of the present invention;
fig. 12 is a front view of the backspacing plate pallet of the present invention;
fig. 13 is a top view of the retracting needle plate carrier of the present invention;
fig. 14 is a side view of the retracting needle plate carrier of the present invention;
FIG. 15 is a schematic view of a fine-adjustable connecting block of the needle stripper of the present invention;
FIG. 16 is a structural diagram of the fine-adjustable connecting block on the needle stripping plate of the present invention;
the specific meanings of the reference numbers in the drawings:
1-lifting mechanism, 2-needling mechanism, 201-needling mechanism fixing arm, 202-fine adjustable connecting block, 203-needle plate supporting plate, 204-needle plate, 20411-needle plate fixing pin hole, 205-needle plate coating leather, 206-needle, 207-needle stripping plate, 20711-needle stripping plate fixing pin hole, 20712-cleaning hole, 20713-connecting block fixing hole, 3-retraction mechanism, 301-fine adjustable connecting block, 302-retraction needle plate supporting plate, 30211-retraction needle plate fixing pin hole, 303-retraction needle stripping plate, 30311-retraction needle stripping plate fixing pin hole, 30312-cleaning hole, 30313-connecting block fixing hole, 304-protection device, 305-retraction needle, 306-retraction needle plate coating leather, 307-retraction needle plate, 308-variable diameter fixing holes and 4-fixing brackets.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that the embodiments described herein are merely illustrative and explanatory of the present invention, and are not restrictive of the invention.
With reference to fig. 1-16, the technical solution of the disclosed embodiment of the present invention is as follows: the utility model provides a special needle loom's of pitch-based carbon fiber device that moves back, includes that acupuncture mechanism 2 and the mechanism 3 that moves back, acupuncture mechanism 2 with it sets up relatively to move back mechanism 3, and all fix on needle loom's fixed bolster 4.
The needling mechanism 2 comprises needles 206, a needle plate 204, a needle plate supporting plate 203 and a needle stripping plate 207, wherein the needle plate 204 is a rectangular strip plate, and a plurality of needle fixing holes are formed in the surface of the needle plate; the main body part of the needle stripping plate 207 is a rectangular strip plate, the two side edges of the strip plate extend out of the side plate perpendicular to the main body part of the needle stripping plate, the whole strip plate is in a U-shaped structure, and the surface of the main body part of the needle stripping plate 207 is provided with a needle hole corresponding to the needle fixing hole on the needle plate 204; the puncture needle plate supporting plate 203 is positioned in a U-shaped structure of the puncture needle stripping plate 207, the puncture needle plate supporting plate 203 is fixedly connected with the puncture needle plate 204, and the root part of the puncture needle 206 penetrates through the puncture needle fixing hole and is clamped and fixed between the puncture needle plate supporting plate 203 and the puncture needle plate 204.
The retraction mechanism 3 comprises a retraction needle 305, a retraction needle stripping plate 303, a retraction needle plate 307 and a retraction needle plate carrier 302, wherein the retraction needle plate 307 is a rectangular long plate, and a plurality of retraction needle fixing holes are arranged on the surface of the retraction needle plate 307; the main body part of the retreating needle stripping plate 303 is a rectangular strip plate, two side edges of the strip plate extend out of a side plate perpendicular to the main body part of the retreating needle stripping plate, the whole body is in a U-shaped structure, and the surface of the main body part of the retreating needle stripping plate 303 is provided with retreating needle holes corresponding to the retreating needle fixing holes on the retreating needle plate 307; the withdrawal needle plate carrier 302 is located in the U-shaped structure of the withdrawal needle stripping plate 303, the withdrawal needle plate carrier 302 is fixedly connected with the withdrawal needle plate 307, and the root of the withdrawal needle 305 passes through the withdrawal needle fixing hole and is clamped and fixed between the withdrawal needle plate carrier 302 and the withdrawal needle plate 307.
As shown in fig. 5, the retreating needle stripping plate 303 is provided with a tapered hole 308 with a variable diameter corresponding to the retreating needle fixing hole, and the major diameter of the tapered hole 308 is aligned with the opening direction of the U-shaped structure of the retreating needle stripping plate 303.
The retracting needle fixing holes, the pricking needle fixing holes and the variable diameter tapered holes 308 are coaxial in the vertical direction, and the numbers of the retracting needle fixing holes, the pricking needle fixing holes and the variable diameter tapered holes are in one-to-one correspondence.
Four fixing columns are fixedly connected between the pricking pin plate supporting plate 203 and the withdrawing pin plate supporting plate 302, the fixing columns are respectively vertical to the surfaces of the pricking pin plate supporting plate 203 and the withdrawing pin plate supporting plate 302 and are positioned at four corners of the pricking pin plate supporting plate 203 and the withdrawing pin plate supporting plate 302, and the fixing columns enable the pricking pin 206 and the withdrawing pin 305 to move oppositely.
The surface of the needle board 204, which faces away from the needle board supporting plate 203, is provided with a needle board coating skin 205; the surface of the retraction needle plate 307 facing away from the retraction needle plate carrier 302 is provided with a retraction needle plate coating 306.
The protection devices 304 are arranged on two sides of the retraction needle plate supporting plate 302, the main body part of each protection device 304 is a rectangular long strip plate, one side of each protection device is vertically fixed on the surface of the retraction needle plate supporting plate 302, the other side of each protection device horizontally extends to form a flange along the opposite direction of the protection device 304, and the overall cross section of the single-side protection device 304 is in an L-shaped structure.
As shown in fig. 6 and 7, a plurality of fixing pin holes 20411 are symmetrically arranged at two ends of the needle plate 204; a plurality of fixing pin holes 30711 are symmetrically arranged at two ends of the retraction pin plate 307.
As shown in fig. 9 and 11, a plurality of fixing pin holes 20711 are symmetrically formed on the surface of the main body of the needle peeling plate 207, and the fixing pin holes 20711 are located at two ends of the needle peeling plate 207; a plurality of fixing pin holes 30311 are symmetrically arranged on the surface of the main body part of the retreating needle stripping plate 303, and the fixing pin holes 30311 are located at two ends of the retreating needle stripping plate 303.
As shown in FIGS. 8 and 10, the U-shaped structure of the lancet peeling plate 207 and the lancet peeling plate 303 are provided with a plurality of cleaning holes 20712 and 30312.
As shown in fig. 15 and 16, the adjustable connecting blocks 202 and 301 are arranged between the needle peeling plate 207 and the retreating needle peeling plate 303 and the fixing support 4 of the needling machine, the adjustable connecting blocks are rectangular blocks, a plurality of circular fixing holes are arranged on one side face, a plurality of groove-shaped fixing holes are arranged on the adjacent side faces, and the axes of the circular fixing holes and the groove-shaped fixing holes are vertical and do not intersect.
The device further comprises an elevating mechanism 1, wherein the elevating mechanism 1 is fixedly connected with a needling mechanism fixing arm 201 on the needle plate supporting plate 203, and drives the needle plate 204 and the backspacing needle plate 307 to reciprocate vertically.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a special needle loom of pitch-based carbon fiber's device that rolls back, includes the acupuncture mechanism and rolls back the mechanism, the acupuncture mechanism with roll back the relative setting of mechanism, and all fix on the fixed bolster of needle loom, characterized in that:
the needling mechanism comprises a felting needle, a needling board supporting plate and a felting needle stripping plate, wherein the needling board is a rectangular long board, and the surface of the needling board is provided with a plurality of felting needle fixing holes; the main body part of the needle stripping plate is a rectangular strip plate, the edges of the two sides of the strip plate are vertical to the main body part of the needle stripping plate and extend out of a side plate, the whole strip plate is of a U-shaped structure, and the surface of the main body part of the needle stripping plate is provided with a needle hole corresponding to the needle fixing hole on the needle plate; the pricking pin plate supporting plate is positioned in the U-shaped structure of the pricking pin stripping plate, the pricking pin plate supporting plate is fixedly connected with the pricking pin plate, the root part of the pricking pin penetrates through the pricking pin fixing hole and is clamped and fixed between the pricking pin plate supporting plate and the pricking pin plate,
the backspacing mechanism comprises a backspacing needle stripping plate, a backspacing needle plate and a backspacing needle plate supporting plate, wherein the backspacing needle plate is a rectangular long strip plate, and a plurality of backspacing needle fixing holes are formed in the surface of the backspacing needle plate; the main body part of the retreating needle stripping plate is a rectangular strip plate, the edges of two sides of the strip plate extend out of a side plate perpendicular to the main body part of the retreating needle stripping plate, the whole body is of a U-shaped structure, and the surface of the main body part of the retreating needle stripping plate is provided with retreating needle holes corresponding to retreating needle fixing holes in a retreating needle plate; the retractable needle plate supporting plate is located in a U-shaped structure of the retractable needle stripping plate, the retractable needle plate supporting plate is fixedly connected with the retractable needle plate, the root of the retractable needle penetrates through the retractable needle fixing hole and is clamped and fixed between the retractable needle plate supporting plate and the retractable needle plate, a variable-diameter conical hole corresponding to the retractable needle fixing hole is formed in the retractable needle stripping plate, and the major diameter direction of the variable-diameter conical hole is consistent with the direction of a U-shaped opening of the retractable needle stripping plate.
2. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 1, characterized in that: the retracting needle fixing holes, the pricking needle fixing holes and the variable-diameter conical holes are coaxial in the vertical direction, and the number of the retracting needle fixing holes, the pricking needle fixing holes and the variable-diameter conical holes are in one-to-one correspondence.
3. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 2, characterized in that: the four fixing columns are fixedly connected between the thorn needle plate supporting plate and the returning needle plate supporting plate, are respectively vertical to the surfaces of the thorn needle plate supporting plate and the returning needle plate supporting plate, and are positioned at four corners of the thorn needle plate supporting plate and the returning needle plate supporting plate.
4. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 3, characterized in that: the surface of the needle plate, which faces away from the needle plate supporting plate, is provided with a needle plate coating skin; and the surface of the retraction needle plate, which is back to the retraction needle plate supporting plate, is provided with a retraction needle plate coating leather.
5. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 4, characterized in that: protection devices are arranged on two sides of the backing needle plate supporting plate, the main body part of each protection device is a rectangular long strip plate, one side of each protection device is vertically fixed on the surface of the backing needle plate supporting plate, the other side of each protection device horizontally extends to form a flange along the opposite direction of the protection device, and the overall cross section of the single-side protection device is of an L-shaped structure.
6. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 5, characterized in that: and a plurality of fixing pin holes are symmetrically formed at two ends of the needling board and the retraction board.
7. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 6, characterized in that: the surfaces of the main body parts of the pricking pin stripping plate and the backspacing needle stripping plate are symmetrically provided with a plurality of fixing pin holes, and the fixing pin holes are positioned at two ends of the pricking pin stripping plate or the backspacing needle stripping plate.
8. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 7, characterized in that: the pricking pin stripping plate and the U-shaped structures of the pricking pin stripping plate are both provided with a plurality of cleaning holes.
9. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 8, characterized in that: the pricking pin stripping plate and the withdrawing needle stripping plate are both provided with a fine-adjustment connecting block between the fixing supports of the needling machine, the fine-adjustment connecting block is a rectangular block, a plurality of circular fixing holes are formed in one side face, a plurality of groove-shaped fixing holes are formed in adjacent side faces, and the circular fixing holes and the groove-shaped fixing holes are perpendicular in axis and not intersected.
10. The retracting device of the needle machine special for the pitch-based carbon fiber according to claim 9, characterized in that: the needle plate supporting plate is fixedly connected with the lifting mechanism, and the lifting mechanism drives the needle plate and the retraction needle plate to vertically reciprocate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020321644.1U CN211872241U (en) | 2020-03-16 | 2020-03-16 | Backspacing device of special needle machine for asphalt-based carbon fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020321644.1U CN211872241U (en) | 2020-03-16 | 2020-03-16 | Backspacing device of special needle machine for asphalt-based carbon fiber |
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| CN211872241U true CN211872241U (en) | 2020-11-06 |
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| CN202020321644.1U Active CN211872241U (en) | 2020-03-16 | 2020-03-16 | Backspacing device of special needle machine for asphalt-based carbon fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529285A (en) * | 2021-08-31 | 2021-10-22 | 广东三辉无纺机械有限公司 | Supporting and net stripping device of needling machine |
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2020
- 2020-03-16 CN CN202020321644.1U patent/CN211872241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529285A (en) * | 2021-08-31 | 2021-10-22 | 广东三辉无纺机械有限公司 | Supporting and net stripping device of needling machine |
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Effective date of registration: 20231031 Address after: 300280 East of Guihua Road and South of Nandi Road in Nangang Industrial Zone, Binhai New Area Economic and Technological Development Zone, Tianjin Patentee after: Tianjin Yufeng Carbon Co.,Ltd. Address before: 017000 No. 4, Xianghe Road, Dongsheng District equipment manufacturing base, Ordos City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Longtong Carbon Fiber Technology Co.,Ltd. |