CN213230442U - Crawling type paper tube feeding device - Google Patents
Crawling type paper tube feeding device Download PDFInfo
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- CN213230442U CN213230442U CN202020790085.9U CN202020790085U CN213230442U CN 213230442 U CN213230442 U CN 213230442U CN 202020790085 U CN202020790085 U CN 202020790085U CN 213230442 U CN213230442 U CN 213230442U
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- 230000009193 crawling Effects 0.000 title claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 239000012611 container material Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 239000003814 drug Substances 0.000 description 6
- 239000010985 leather Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to a crawl formula fiber container material feeding unit, including frame, crawl formula fiber container material feeding unit, drive unit, install drive unit and a plurality of crawl formula fiber container material feeding unit in the frame, drive unit links to each other with crawl formula fiber container material feeding unit. The crawling type paper tube feeding unit comprises a sawtooth-shaped fixed plate, a sawtooth-shaped movable plate and a guide mechanism, wherein the sawtooth-shaped fixed plate is fixedly installed on a rack, the sawtooth-shaped movable plate is located on the side face of the sawtooth-shaped fixed plate, the sawtooth-shaped movable plate is parallel to the sawtooth-shaped fixed plate, and the sawtooth-shaped movable plate is movably connected with the sawtooth-shaped fixed plate through the guide mechanism. The utility model has the advantages of the fiber container does not extrude each other during the material loading, the pay-off vibration is little, the noise is low, the security is high.
Description
Technical Field
The utility model relates to a fireworks product material feeding unit technical field, concretely relates to crawl formula fiber container material feeding unit for rectangular shape fireworks product.
Background
The bead-spitting firework product is a long cylindrical firework product capable of continuously emitting colored bright beads, and the bead-spitting firework product is a cylinder in a long strip shape. The bead discharging firework product generally comprises a paper tube, back leather paper, bright beads, propellant powder, a mud bottom, a lead and a sealing head, wherein the paper tube is a hollow strip-shaped cylinder and is formed by winding paper, two ends of the paper tube are sealed by the mud bottom and the sealing head, the propellant powder, the bright beads and the lead are loaded in the paper tube, one end of the lead penetrates through the sealing head and extends to the outside of the paper tube, and a layer of back leather paper is wound on the outer surface of the paper tube. The back cover paper is wrapped on the cylindrical outer surface of the paper tube, which is an important 'back cover process' in the production of the paper tube.
The existing mount skin procedure is generally carried out manually, and the manual mount skin has the defects of low speed, high labor intensity, unstable quality and high production cost, so fireworks manufacturers begin to research and develop automatic mount skin machines. A paper tube feeding device is needed in an automatic mount leather machine, and the paper tube feeding device is used for continuously conveying paper tubes which are fed from a paper tube separating device or a paper tube feeding device and are provided with chemicals into a mount leather mechanism one by one, and winding the mount leather by the mount leather mechanism one by one for package. As the firework production has very high safety requirements, the paper tube with the applied chemicals cannot be excessively extruded and rubbed in the conveying process, and in addition, a small amount of chemicals always leak out in the moving process of the paper tube, so that the paper tube feeding device cannot accumulate the chemicals in the conveying process, and the safety problem caused by excessive accumulation of the chemicals is avoided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem overcome prior art's defect, provide a crawl formula fiber container material feeding unit.
The utility model discloses a following technical scheme realizes:
the crawling type paper tube feeding device comprises a rack, a crawling type paper tube feeding unit and a driving unit, wherein the driving unit and a plurality of crawling type paper tube feeding units are mounted on the rack, and the driving unit is connected with the crawling type paper tube feeding units.
Furthermore, the crawling type paper tube feeding unit comprises a sawtooth-shaped fixed plate, a sawtooth-shaped movable plate and a guide mechanism, wherein the sawtooth-shaped fixed plate is fixedly installed on the rack, the sawtooth-shaped movable plate is located on the side face of the sawtooth-shaped fixed plate, the sawtooth-shaped movable plate is parallel to the sawtooth-shaped fixed plate, and the sawtooth-shaped movable plate is movably connected with the sawtooth-shaped fixed plate through the guide mechanism.
Furthermore, the top of zigzag fixed plate is equipped with the first sawtooth of slant pay-off limit, the top of zigzag fly leaf is equipped with the second sawtooth of slant pay-off limit, first sawtooth pay-off limit is formed by a plurality of the same sawtooth align to grid with second sawtooth pay-off limit, first sawtooth pay-off limit is parallel to each other with second sawtooth pay-off limit.
Furthermore, the included angle alpha between the tooth-shaped central line of the first sawtooth feeding edge and the tooth-shaped central line of the second sawtooth feeding edge and the horizontal direction is 15-85 degrees, and the vertex angle beta of the sawtooth is 15-135 degrees.
Furthermore, the guide mechanism is composed of a guide block and a guide rod, the guide block is fixedly installed on the side face of the sawtooth-shaped movable plate, a guide hole is formed in the guide block, the upper end of the guide rod penetrates through the guide hole in the guide block to be in sliding connection with the guide block, and the lower end of the guide rod is fixedly installed on the side face of the sawtooth-shaped fixed plate.
Furthermore, the included angle between the central axis of the guide block, the guide hole and the guide rod and the vertical direction is 0-55 degrees.
Furthermore, the driving unit is composed of a motor and a transmission mechanism, and the transmission mechanism is a gear transmission mechanism, a cam transmission mechanism, a chain transmission mechanism or a belt transmission mechanism.
Further, drive unit includes motor, first axis of rotation, second axis of rotation, cam, swinging arms, shift fork, dead lever, the motor adopts step motor, the output shaft of motor links to each other with first axis of rotation, fixed mounting has the cam on the first axis of rotation, the one end and the cam contact of swinging arms link to each other, the other end and the second axis of rotation of swinging arms are fixed and link to each other, install the shift fork in the second axis of rotation, the right-hand member of shift fork is equipped with open-ended U-shaped groove, the dead lever is located the U-shaped inslot, just the dead lever is installed perpendicularly on the side of zigzag fly leaf.
Further, the frame includes first curb plate, second curb plate and a plurality of connecting rod, first curb plate and second curb plate parallel to each other, first curb plate and second curb plate are located the left and right sides of frame respectively, link to each other through a plurality of connecting rods are fixed between first curb plate and the second curb plate, the left end and the first curb plate fixed connection of connecting rod, the right-hand member and the second curb plate fixed connection of connecting rod.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model relates to a crawl formula fiber container material feeding unit, its structure and the equal different current fiber container feeding mechanism of pay-off principle, the utility model discloses a motor drives first axis of rotation rotatory, because fixed mounting has the cam in the first axis of rotation, so the cam also rotates thereupon to promote the swinging arms that links to each other with the cam contact and carry out the swing back and forth. Because the swinging rod is fixedly arranged on the second rotating shaft, and the shifting fork is fixedly arranged on the second rotating shaft, when the swinging rod swings back and forth, the second rotating shaft and the shifting fork also rotate positively and negatively, and because the right end of the shifting fork is provided with a U-shaped groove, a fixed rod is arranged in the U-shaped groove, and the fixed rod is vertically arranged on the side surface of the zigzag movable plate. When the shifting fork rotates forwards and backwards, the fixed rod and the sawtooth-shaped movable plate can be pushed to move up and down along the guide mechanism, the guide mechanism is composed of a guide block and a guide rod, the guide block is fixedly installed on the side face of the sawtooth-shaped movable plate, the lower end of the guide rod is fixedly installed on the side face of the sawtooth-shaped fixed plate, a first sawtooth feeding edge in a slant direction is arranged at the top of the sawtooth-shaped fixed plate, a second sawtooth feeding edge in the slant direction is arranged at the top of the sawtooth-shaped movable plate, and the first sawtooth feeding edge is parallel to the second sawtooth feeding edge. Therefore, when the sawtooth-shaped movable plate moves relative to the sawtooth-shaped fixed plate along the guide rod, the paper tubes with the applied medicine are intermittently conveyed from the lowest end to the highest end one by one, and then the paper tubes are backed in the subsequent process.
The utility model discloses an unique zigzag fly leaf and zigzag fixed plate parallel structure, and utilize first axis of rotation, a cam, the swinging arms, the second axis of rotation, the ingenious transmission of shift fork, make the ingenious emergence of circular motion become second sawtooth pay-off limit and the relative up-and-down linear motion between the first sawtooth pay-off limit, thereby realize the sawtooth climbing intermittent motion of the fiber container of having gone up good medicine, make the fiber container of having gone up good medicine one by one in the intermittent type formula is carried subsequent lining up skin mechanism, extrusion and friction between fiber container and the fiber container have been avoided among the transportation process, simultaneously in the transport unnecessary a small amount of medicine that spills also can follow and fall into the subaerial or connect the medicine dish of frame below between every group climbing formula fiber container material feeding unit, the medicine accumulation in the material feeding unit can not appear, fireworks production's security performance has been improved by a wide margin.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the transmission of the present invention.
Fig. 3 is a view from direction a of fig. 2.
Fig. 4 is a schematic structural view of a sawtooth-shaped fixing plate.
Fig. 5 is a schematic structural view of the zigzag movable plate.
In the drawing, 1-a first side plate, 2-a second side plate, 3-a connecting rod, 4-a sawtooth fixing plate, 5-a first sawtooth feeding edge, 6-a sawtooth moving plate, 7-a second sawtooth feeding edge, 8-a first through hole, 9-a second through hole, 10-a third through hole, 11-a first sleeve, 12-a second sleeve, 13-a third sleeve, 14-a second rotating shaft, 15-a first fixed shaft, 16-a second fixed shaft, 17-a guide block, 18-a guide hole, 19-a guide rod, 20-a fixing block, 21-a mounting hole, 22-a motor, 23-a first rotating shaft, 24-a cam, 25-a swinging rod, 26-a fourth through hole, 27-a shifting fork, 28-a fifth through hole, 29-a U-shaped groove and 30-a fixing rod.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 1 to 5, the crawling type paper tube feeding device comprises a frame, a crawling type paper tube feeding unit and a driving unit, wherein the frame is provided with the driving unit and a plurality of groups of crawling type paper tube feeding units which are parallel to each other, and the driving unit is connected with the crawling type paper tube feeding unit and drives the crawling type paper tube feeding unit to intermittently feed a paper tube into a next process.
In this embodiment, the frame comprises a first side plate 1, a second side plate 2 and several connecting rods 3. The first side plate 1 and the second side plate 2 are equal in size and shape, are trapezoidal, rectangular, square or pentagonal and are made of steel plates with the thickness of 5-10 mm. First curb plate 1 and second curb plate 2 are parallel to each other, first curb plate 1 and second curb plate 2 are located the left and right sides of frame respectively, link to each other through a plurality of connecting rods 3 are fixed between first curb plate 1 and the second curb plate 2, connecting rod 3 is formed by square steel pipe, circular steel tube or channel-section steel preparation. The left end of connecting rod 3 passes through bolted connection or welded mode and first curb plate 1 fixed connection, the right-hand member of connecting rod 3 passes through bolted connection or welded mode and second curb plate 2 fixed connection.
The crawling type paper tube feeding unit comprises a sawtooth-shaped fixing plate 4, a first through hole 8, a second through hole 9, a third through hole 10, a first sleeve 11, a second sleeve 12, a third sleeve 13, a first fixing shaft 15, a second fixing shaft 16, a sawtooth-shaped movable plate 6 and a guide mechanism. The sawtooth-shaped fixing plate 4 is made of a steel plate with the thickness of 3-10mm, an inclined first sawtooth feeding edge 5 is arranged at the top of the sawtooth-shaped fixing plate 4, and the first sawtooth feeding edge 5 is formed by uniformly arranging and connecting a plurality of same sawteeth. The included angle alpha between the tooth-shaped central line of the first sawtooth feeding edge 5 and the horizontal direction is 15-85 degrees, the sawteeth are triangular teeth, and the vertex angle beta of the sawteeth is 15-135 degrees. The lower part of the sawtooth-shaped fixing plate 4 is provided with a first through hole 8, a second through hole 9 and a third through hole 10, wherein the first through hole 8, the second through hole 9 and the third through hole 10 are respectively provided with a first sleeve 11, a second sleeve 12 and a third sleeve 13 in an interference fit connection or welding mode, and the first sleeve 11, the second sleeve 12 and the third sleeve 13 are hollow cylindrical barrel structures and are made of stainless steel or carbon steel. The first fixing shaft 15 and the second fixing shaft 16 are respectively arranged in the second sleeve 12 and the third sleeve 13 and are matched with each other, the first fixing shaft 15 and the second fixing shaft 16 are solid shafts or hollow shafts and are made of round steel or steel pipes, and two ends of the first fixing shaft 15 and two ends of the second fixing shaft 16 are respectively installed on the first side plate 1 and the second side plate 2 of the rack through bearing seats.
The sawtooth-shaped movable plate 6 is located on the side face of the sawtooth-shaped fixed plate 4, the sawtooth-shaped movable plate 6 is parallel to the sawtooth-shaped fixed plate 4, the sawtooth-shaped movable plate 6 is made of a steel plate with the thickness of 1-7mm, a second sawtooth feeding edge 7 which is inclined is arranged at the top of the sawtooth-shaped movable plate 6, and the second sawtooth feeding edge 7 is formed by uniformly arranging and connecting a plurality of same sawteeth. The included angle between the tooth-shaped central line of the second sawtooth feeding edge 7 and the horizontal direction is 15-85 degrees, the sawtooth of the second sawtooth feeding edge 7 is the same as the sawtooth of the first sawtooth feeding edge 5 in shape and is also triangular, and the vertex angle beta of the sawtooth is 15-135 degrees. The second sawtooth feeding edge 7 and the first sawtooth feeding edge 5 are parallel to each other and installed in a staggered mode, when the paper tube is static, the sawteeth of the second sawtooth feeding edge 7 are located on the left lower portion of the corresponding sawteeth on the first sawtooth feeding edge 5, and preferably, the staggered distance of the two sawteeth is 0.8-2 times of the diameter of the paper tube.
As shown in fig. 1, 2 and 3, the sawtooth-shaped movable plate 6 is movably connected with the sawtooth-shaped fixed plate 4 through a guide mechanism, and the guide mechanism is composed of a guide block 17 and a guide rod 19. The guide block 17 is an aluminum alloy or stainless steel square block, the guide block 17 is fixedly mounted on the side surface of the sawtooth-shaped movable plate 6, a guide hole 18 is formed in the guide block 17, and the guide hole 18 is matched with the guide rod 19. The guide rod 19 is a round rod made of aluminum alloy or stainless steel material, and the upper end of the guide rod 19 penetrates through a guide hole 18 in the guide block 17 to form sliding connection with the guide block 17. The included angles between the central axes of the guide block 17, the guide hole 18 and the guide rod 19 and the vertical direction are all 0-55 degrees, and the lower end of the guide rod 19 is installed on the side face of the sawtooth-shaped fixing plate 4 in a welding or fixing mode of the fixing block 20. In this embodiment, the lower end of the guide rod 19 is provided with two fixed blocks 20, the two fixed blocks 20 are provided with mounting holes 21 therein, the lower end of the guide rod 19 is mounted in the mounting holes 21 of the two fixed blocks 20 by bolt fastening, and the two fixed blocks 20 are fixed on the side surface of the sawtooth-shaped movable plate 6 by bolt fastening or welding.
The crawling type paper tube feeding unit is connected with a driving unit, the driving unit is composed of a motor 22 and a transmission mechanism, and the transmission mechanism is a gear transmission mechanism, a cam 24 transmission mechanism, a chain transmission mechanism or a belt transmission mechanism. As shown in fig. 2 and 3, in the present embodiment, the driving unit includes a motor 22, a first rotating shaft 23, a cam 24, a swing rod 25, a second rotating shaft 14, a shift fork 27, and a fixing rod 30, the motor 22 is a stepping motor, an output shaft of the motor 22 is connected to the first rotating shaft 23, the first rotating shaft 23 is made of round steel, and two ends of the first rotating shaft 23 are respectively mounted on the first side plate 1 and the second side plate 2 of the rack through bearing seats. A cam 24 is fixedly mounted on the first rotating shaft 23, and a swing rod 25 is arranged on the side edge of the cam 24. One end of the swing rod 25 is connected with the cam 24 in a contact mode, the other end of the swing rod 25 is provided with a through hole IV 26, the through hole IV 26 is matched with the second rotating shaft 14, and the second rotating shaft 14 penetrates through the through hole IV 26 and is connected with the swing rod 25 in a key connection mode. The second rotating shaft 14 is a solid shaft or a hollow shaft and is made of round steel or steel pipes, the second rotating shaft 14 is matched with a first sleeve 11 at the lower part of the sawtooth-shaped fixing plate 4, one end of the second rotating shaft 14 penetrates through the first sleeve 11, and the left end and the right end of the second rotating shaft 14 are fixedly mounted on a first side plate 1 and a second side plate 2 of the rack through bearing seats respectively.
The shifting fork 27 is made of flat steel and is a flat cuboid. The left end of shift fork 27 is equipped with through-hole five 28, through-hole five 28 and second axis of rotation 14 looks adaptation, second axis of rotation 14 pass through-hole five 28 and with adopt the key-type connection between the through-hole five 28, shift fork 27 is installed on second axis of rotation 14 through the mode of key-type connection. The right end of the shifting fork 27 is provided with an open U-shaped groove 29, the fixing rod 30 is positioned in the U-shaped groove 29, and the fixing rod 30 is vertically welded on the side surface of the zigzag movable plate 6.
It should be noted that, in the application process, the first fixing shaft 15 and the second fixing shaft 16 may be changed into lead screws, the second sleeve 12 and the third sleeve 13 are changed into lead screw nuts adapted to each other, then a motor or a hand-operated handle is installed at one end of each lead screw, the hand-operated handle is driven by the motor or manually rotated to drive the lead screws to rotate, and then the crawling type paper tube feeding units are driven by the lead screw nuts to move on the lead screws, so that the distance between the crawling type paper tube feeding units is adjusted to be suitable for feeding paper tubes with different lengths. The second rotating shaft 14 may also be a spline shaft for easy connection and transmission. Such variations are intended to be included within the scope of the present invention.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (8)
1. The utility model provides a crawl formula fiber container material feeding unit, includes frame, crawl formula fiber container material feeding unit, drive unit, install drive unit and a plurality of crawl formula fiber container material feeding unit in the frame, drive unit links to each other its characterized in that with crawl formula fiber container material feeding unit: the crawling type paper tube feeding unit comprises a sawtooth-shaped fixed plate, a sawtooth-shaped movable plate and a guide mechanism, wherein the sawtooth-shaped fixed plate is fixedly installed on a rack, the sawtooth-shaped movable plate is located on the side face of the sawtooth-shaped fixed plate, the sawtooth-shaped movable plate is parallel to the sawtooth-shaped fixed plate, and the sawtooth-shaped movable plate is movably connected with the sawtooth-shaped fixed plate through the guide mechanism.
2. The crawl type paper tube feeding device according to claim 1, characterized in that: the top of the sawtooth-shaped fixed plate is provided with a first sawtooth feeding edge in a slant mode, the top of the sawtooth-shaped movable plate is provided with a second sawtooth feeding edge in a slant mode, the first sawtooth feeding edge and the second sawtooth feeding edge are formed by uniformly arranging and connecting a plurality of same sawteeth, and the first sawtooth feeding edge and the second sawtooth feeding edge are parallel to each other.
3. A crawling type paper tube feeding device as claimed in claim 2, wherein: the included angle alpha between the tooth-shaped central line of the first sawtooth feeding edge and the tooth-shaped central line of the second sawtooth feeding edge and the horizontal direction is 15-85 degrees, and the vertex angle beta of the sawtooth is 15-135 degrees.
4. The crawl type paper tube feeding device according to claim 1, characterized in that: the guide mechanism is composed of a guide block and a guide rod, the guide block is fixedly installed on the side face of the sawtooth-shaped movable plate, a guide hole is formed in the guide block, the upper end of the guide rod penetrates through the guide hole in the guide block to be in sliding connection with the guide block, and the lower end of the guide rod is fixedly installed on the side face of the sawtooth-shaped fixed plate.
5. The crawl type paper tube feeding device according to claim 4, characterized in that: the central axis of the guide block, the guide hole and the guide rod forms an included angle of 0-55 degrees with the vertical direction.
6. The crawl type paper tube feeding device according to claim 1, characterized in that: the driving unit is composed of a motor and a transmission mechanism, and the transmission mechanism is a gear transmission mechanism, a cam transmission mechanism, a chain transmission mechanism or a belt transmission mechanism.
7. The crawl type paper tube feeding device according to claim 6, characterized in that: the drive unit includes motor, first axis of rotation, second axis of rotation, cam, swinging arms, shift fork, dead lever, the motor adopts step motor, the output shaft of motor links to each other with first axis of rotation, fixed mounting has the cam on the first axis of rotation, the one end of swinging arms links to each other with the cam contact, the other end and the second axis of rotation of swinging arms are fixed and link to each other, install the shift fork in the second axis of rotation, the right-hand member of shift fork is equipped with open-ended U-shaped groove, the dead lever is located the U-shaped inslot, just the dead lever is installed perpendicularly on the side of zigzag fly leaf.
8. The crawl type paper tube feeding device according to claim 1, characterized in that: the rack comprises a first side plate, a second side plate and a plurality of connecting rods, wherein the first side plate and the second side plate are parallel to each other, the first side plate and the second side plate are respectively positioned at the left side and the right side of the rack, the first side plate and the second side plate are fixedly connected through the plurality of connecting rods, the left end of each connecting rod is fixedly connected with the first side plate, and the right end of each connecting rod is fixedly connected with the second side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020790085.9U CN213230442U (en) | 2020-05-13 | 2020-05-13 | Crawling type paper tube feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020790085.9U CN213230442U (en) | 2020-05-13 | 2020-05-13 | Crawling type paper tube feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213230442U true CN213230442U (en) | 2021-05-18 |
Family
ID=75867601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020790085.9U Active CN213230442U (en) | 2020-05-13 | 2020-05-13 | Crawling type paper tube feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213230442U (en) |
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2020
- 2020-05-13 CN CN202020790085.9U patent/CN213230442U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHANGSHA XINGMU MACHINERY Co.,Ltd. Assignor: Liuyang Hengbang Machinery Factory (General Partnership) Contract record no.: X2023980047387 Denomination of utility model: A crawling paper tube feeding device Granted publication date: 20210518 License type: Common License Record date: 20231120 |
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| EE01 | Entry into force of recordation of patent licensing contract |