CN216639835U - Synchronous yarn-feeding and synchronous knitting mechanism for front and rear machine heads of knitted glove knitting machine - Google Patents
Synchronous yarn-feeding and synchronous knitting mechanism for front and rear machine heads of knitted glove knitting machine Download PDFInfo
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- CN216639835U CN216639835U CN202220079790.7U CN202220079790U CN216639835U CN 216639835 U CN216639835 U CN 216639835U CN 202220079790 U CN202220079790 U CN 202220079790U CN 216639835 U CN216639835 U CN 216639835U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 title claims abstract description 15
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- 238000000034 method Methods 0.000 description 3
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Abstract
The utility model discloses a synchronous yarn-taking and synchronous knitting mechanism for a front machine head and a rear machine head of a knitting glove knitting machine, which comprises a rack, a front needle bed, a rear needle bed, a front guide needle machine head, a front slide bar, a front slide rail, a front drive plate, a front drive belt, a front driven belt, a rear guide needle machine head, a rear slide bar, a rear slide rail, a rear drive plate, a rear drive belt, a rear driven belt pulley and a yarn nozzle guide rail, wherein at least one pair of yarn nozzles which reciprocate on the yarn nozzle guide rail are arranged on the yarn nozzle guide rail, each yarn nozzle is respectively connected with a stepping motor which independently drives the yarn nozzles, the front drive belt pulley is connected to a motor shaft of a front servo motor, and the rear drive belt pulley is connected to a motor shaft of a rear servo motor. The utility model realizes a synchronous knitting mechanism for synchronously knitting front and rear machine heads of a knitting glove machine, which can improve the knitting speed by nearly one time and greatly improve the productivity under the condition of not improving the movement speed of the machine head of the guide pin.
Description
Technical Field
The utility model relates to the technical field of knitting glove machines, in particular to a synchronous yarn-feeding and synchronous knitting mechanism for front and rear machine heads of a knitting glove machine.
Background
CN201921376257.1 discloses a machine head driving device of knitting glove knitting machine, which represents the basic working principle of all knitting glove knitting machines on the market:
when the glove barrel part main body is knitted, the needle guide machine head moves from left to right, the needle raising cam of the needle guide cam base plate in the back needle guide machine head (the front and back are defined as the right of the front face of the human facing the machine) pushes up the knitting needle on the back needle bed and feeds the yarn in a yarn nozzle (shuttle) to finish a knitting action; correspondingly, when the needle guide machine head moves from right to left, the needle raising cam of the needle guide cam bottom plate in the front needle guide machine head pushes up the knitting needle on the front needle bed and engages the yarn in the same yarn nozzle to finish another knitting action. Therefore, the needle guide machine head completes a reciprocating motion from left to right and back to left, namely, the needle guide machine head completes one row of needles (of course, the machine head starts from the right to the back and is called a back and forth motion and counts as one row of needles), and the yarn is woven in a spiral mode by continuously circulating and running circles.
When the finger tip is sewn at the seam of the glove, the front and rear needle guide heads push up the knitting needles on the front and rear needle beds respectively at the same time, the front and rear knitting needles are mutually interlaced to feed the same path of yarn, the knitting action industry is called as seam, that is, the knitting structures knitted by the front and rear needle beds are sewn together.
In order to improve the yield of all glove machines on the market at present, the only method is to improve the movement speed of a guide pin machine head so as to achieve the aim of high yield. However, this has the consequence of increased wear and increased failure of the machine, and even more fatal is the fact that the capacity of the glove machine is not greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and realize a synchronous knitting mechanism for synchronously knitting front and rear machine heads of a knitting glove machine, which can improve the knitting speed by nearly one time and greatly improve the productivity under the condition of not improving the movement speed of a machine head of a guide pin.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a synchronous yarn-taking and synchronous knitting mechanism for front and rear machine heads of a knitting glove knitting machine comprises a rack, wherein a front needle bed and a rear needle bed are arranged on the rack, the front needle bed and the rear needle bed are symmetrically arranged according to the front side and the rear side of the rack, a front needle guide machine head is arranged on the front needle bed, the front needle guide machine head is slidably mounted on a group of front slide bars and front slide rails on the rack, a front driving plate is connected to the front driving plate, a front driving belt pulley and a front driven belt pulley are respectively connected to the two ends of the front driving belt, a rear needle guide machine head is arranged on the rear needle bed, the rear needle guide machine head is slidably mounted on a group of rear slide bars and rear slide rails on the rack, a rear driving plate is further connected to the rear needle guide machine head, the rear driving plate is connected to a rear driving belt, a rear driving belt pulley and a rear driven belt pulley are respectively connected to the two ends of the rear driving belt, the yarn feeder is characterized in that the front driving belt pulley is connected to a motor shaft of a front servo motor, and the rear driving belt pulley is connected to a motor shaft of a rear servo motor.
Preferably, the front servo motor and the rear servo motor are independently operated during operation, and there are two operation states, one of which is synchronous operation and the other of which is differential operation. The operation is synchronized and asynchronous as necessary.
Preferably, the front guide needle machine head and the rear guide needle machine head have two working states in the driving work of the front servo motor or the rear servo motor respectively, wherein one working state is arranged in a staggered mode according to the front side and the rear side of the machine frame, and the other working state is arranged symmetrically according to the front side and the rear side of the machine frame. (the front guide pin machine head and the rear guide pin machine head are arranged in a staggered mode and are in a front-back trend in the moving direction of the left side and the right side of the machine frame).
Preferably, when the front guide needle machine head and the rear guide needle machine head are arranged in a staggered mode to work according to the front side and the rear side of the rack, the front guide needle machine head drives the front needle bed to lift a needle to be matched with one of the yarn nozzles, and therefore one path of yarn is eaten; meanwhile, the machine head of the rear guide needle drives the rear needle bed to lift the needle and match with the other yarn nozzle, namely another path of yarn is eaten.
Preferably, when the front needle guiding machine head and the rear needle guiding machine head are symmetrically arranged on the front side and the rear side of the frame to work, the front needle guiding machine head drives the front needle bed and the rear needle bed to drive the front needle bed and the rear needle bed to alternately lift needles to be matched with the same yarn nozzle, and then the same path of yarn is eaten.
Preferably, the same guide pin triangular bottom plate is arranged on the inner side end faces of the front guide pin machine head and the rear guide pin machine head, the guide pin triangular bottom plate comprises a needle raising height control triangle, a half-needle raising triangle, a left needle raising triangle, a right needle raising triangle, a left knitting density triangle, a right knitting density triangle, a flat needle triangle, a rubber band needle raising triangle and a rubber band needle raising height control triangle, the needle raising height control triangle and the half-needle raising triangle are positioned in the middle of the guide pin triangular bottom plate and are arranged at intervals one above the other, the left needle raising triangle is positioned below the left side of the half-needle raising triangle, the right needle raising triangle is positioned below the right side of the half-needle raising triangle, the left knitting density triangle is positioned above the left needle raising triangle, the right knitting density triangle is positioned above the right side of the right needle raising triangle, and the flat needle triangle is positioned above the left knitting density triangle, the rubber band needle raising triangle is located on the right side of the right knitting density triangle, and the rubber band needle raising height control triangle is located above the rubber band needle raising triangle.
The needle raising cams of the front and rear needle guide heads can push up the knitting needles on the needle bed when moving in the left and right directions and adjust the descending amplitude of the knitting needles (the descending amplitude of the knitting needles is used for adjusting the density of the gloves). Therefore, under the guide pin triangle base plate in the prior art, the utility model adds the right needle raising triangle and the right knitting density triangle to meet the requirement.
Has the advantages that: the utility model changes the bottleneck that the conventional glove knitting machine only can feed one path of yarn at the same time when in work and has low knitting efficiency, and breakthroughs the effect that two paths of yarns are simultaneously fed when the front and rear guide pin machine heads of the novel glove knitting machine simultaneously lift the needles, so that not only can the fingertips and finger seams of the knitted gloves be sewn together, but also the fingertips and the finger seams of the knitted gloves can be sewn together when knitting other needle numbers of all rows, and the knitted gloves are not sewn together, thereby realizing that the knitting speed is doubled nearly under the condition of not increasing the movement speed of the guide pin machine head, and greatly improving the productivity.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the portion A in FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is an enlarged view of the structure of the triangular bottom plate of the guide pin of the present invention.
In the figure: 1-front needle bed, 2-front needle guide head, 3-front slide bar, 4-front slide rail, 5-front drive plate, 6-front drive belt, 7-front drive pulley, 8-front driven pulley, 9-front servo motor, 10-frame, 11-back needle bed, 12-back needle guide head, 13-back slide bar, 14-back slide rail, 15-back drive plate, 16-back drive belt, 17-back drive pulley, 18-back driven pulley, 19-back servo motor, 20-yarn mouth guide rail, 21-yarn mouth, 211-yarn mouth, 212-yarn mouth, 22-needle raising height control triangle, 23-half needle raising triangle, 24-left needle raising triangle, 25-right needle raising triangle, 26-left side needle raising density triangle, 27-right knitting density triangle, 28-plain stitch triangle, 29-elastic band raising triangle, and 30-elastic band raising height control triangle.
Detailed Description
In order to make the technical means, the technical features and the achievement objects of the utility model easy to understand, the utility model is further described in the following with the specific embodiments.
Example (b): as shown in fig. 1, 2 and 3, a synchronous yarn-taking and synchronous knitting mechanism for front and back machine heads of a knitting glove knitting machine comprises a frame 10, a front needle bed 1 and a back needle bed 11 are arranged on the frame 10, the front needle bed 1 and the back needle bed 11 are symmetrically arranged according to the front and back sides of the frame 10, a front needle guide head 2 is arranged on the front needle bed 1, the front needle guide head 2 is slidably mounted on a group of front slide bars 3 and front slide rails 4 on the frame 10, the front needle guide head 1 is further connected with a front drive plate 5, the front drive plate 5 is connected on a front drive belt 6, two ends of the front drive belt 6 are respectively connected with a front driving belt pulley 7 and a front driven belt pulley 8, the front driving belt pulley 7 is connected on a motor shaft of a front servo motor 9, a back needle guide head 12 is arranged on the back needle bed 11, the back needle guide head 12 is slidably mounted on a group of back slide bars 13 and back slide rails 14 on the frame 10, the rear needle guide machine head 12 is also connected with a rear driving plate 15, the rear driving plate 15 is connected with a rear driving belt 16, two ends of the rear driving belt 16 are respectively connected with a rear driving pulley 17 and a rear driven pulley 18, and the rear driving pulley 17 is connected with a motor shaft of a rear servo motor 19.
A yarn feeder guide rail 20 is arranged above the space between the front needle bed 1 and the back needle bed 11, and a pair of yarn feeders 21 which reciprocate on the yarn feeder guide rail 20, namely a first yarn feeder 211 and a second yarn feeder 212, are arranged on the yarn feeder guide rail; each yarn nozzle 21 is respectively connected with a stepping motor which independently drives the yarn nozzle.
The front servo motor 9 and the rear servo motor 19 operate independently during operation, and there are two operating states, one of which operates synchronously and the other operates at a different speed. The front guide needle machine head 2 and the rear guide needle machine head 12 have two working states in the driving work of the respective front servo motor 9 or rear servo motor 19, wherein one working state is arranged in a staggered mode according to the front side and the rear side of the machine frame 10, and the other working state is arranged symmetrically according to the front side and the rear side of the machine frame 10.
When the front guide needle machine head 2 and the rear guide needle machine head 12 are arranged in a staggered mode to work according to the front side and the rear side of the rack 10, the front guide needle machine head 2 drives the front needle bed 1 to lift a needle to be matched with one of the yarn nozzles, and one path of yarn is eaten; at the same time, the back needle guiding machine head 12 drives the back needle bed 11 to lift the needle and match with another yarn nozzle, namely to eat another path of yarn.
When the front needle guiding machine head 2 and the rear needle guiding machine head 12 are symmetrically arranged and work according to the front side and the rear side of the frame 10, the front needle guiding machine head 2 drives the front needle bed 1 and the rear needle guiding machine head 12 drives the rear needle bed 11 to alternately lift the needles to match with the same yarn nozzle, and the same path of yarn is eaten.
The same guide pin triangle bottom plate is arranged on the inner side end surface of the front guide needle head 2 and the back guide needle head 12, the guide pin triangle bottom plate comprises a needle raising height control triangle 22, a half-needle raising triangle 23, a left needle raising triangle 24, a right needle raising triangle 25, a left knitting density triangle 26, a right knitting density triangle 27, a plain stitch triangle 28, a rubber string needle raising triangle 29 and a rubber string needle raising height control triangle 30, the needle raising height control triangle 22 and the half-needle raising triangle 23 are positioned in the middle of the guide pin triangle bottom plate and are arranged at intervals from top to bottom, the left needle raising triangle 24 is positioned below the left side of the half-needle raising triangle 23, the right needle raising triangle 25 is positioned below the right side of the half-needle raising triangle 23, the left knitting density triangle 26 is positioned above the left needle raising triangle 24, the right knitting density triangle 27 is positioned above the right needle raising triangle 25, the plain stitch triangle 28 is positioned above the left knitting density triangle 26, the rubber string needle raising triangle 29 is positioned on the right side of the right knitting density triangle 27, and the rubber string needle raising height control triangle 30 is positioned above the rubber string needle raising triangle 29.
A knitting method of a synchronous yarn-taking and synchronous knitting mechanism of a front machine head and a rear machine head of a knitting glove machine is divided into two knitting conditions, wherein in the first knitting condition, the step of knitting a tubular part main body of a glove is as follows:
(1) firstly, the front servo motor and the rear servo motor run in a differential mode, and the front side and the rear side of a front guide needle machine head and a rear guide needle machine head are distributed in a staggered mode; then, the front servo motor and the rear servo motor synchronously run to ensure that the front guide needle machine head and the rear guide needle machine head synchronously reciprocate; the front guide needle head drives the front needle bed to lift and match with one of the yarn nozzles, the rear guide needle head drives the rear needle bed to lift and match with the other yarn nozzle, and the front needle bed and the rear needle bed are defined as a first yarn nozzle and a second yarn nozzle for convenience of explanation;
(2) the front needle guiding machine head and the rear needle guiding machine head move from left to right, the front needle guiding machine head is behind the front needle guiding machine head and the rear needle guiding machine head when seen from the moving direction, the front needle guiding machine head drives the front needle bed to lift a needle to be matched with a first yarn nozzle, and a path of yarn is eaten; meanwhile, the machine head of the rear guide needle drives the rear needle bed to lift the needle to match with the second yarn nozzle, and the other path of yarn is synchronously fed;
(3) when the front needle guide machine head and the rear needle guide machine head move to the rightmost side, the front needle guide machine head and the rear needle guide machine head start to return to move from right to left, the rear needle guide machine head is arranged at the front and the rear of the front needle guide machine head when seen from the moving direction, the rear needle guide machine head drives the rear needle bed to lift the needles and change the yarns fed into the first yarn nozzle, and the front needle guide machine head drives the front needle bed to lift the needles and change the yarns fed into the second yarn nozzle;
(4) repeating the steps (2) and (3) until the knitting of the main body of the tubular part of the glove is finished;
second case when knitting the glove seam part and pointing the fingertips:
(1) firstly, the front servo motor and the rear servo motor run in a differential mode, and the front side and the rear side of a front guide needle machine head and a rear guide needle machine head are arranged in a contraposition mode; then, the front servo motor and the rear servo motor synchronously run to ensure that the front guide needle machine head and the rear guide needle machine head synchronously reciprocate;
(2) the front needle guide machine head drives the front needle bed, the rear needle guide machine head drives the rear needle bed, the front needle guide machine head and the rear needle bed are in staggered needle raising and are matched with the same yarn nozzle, and the yarn nozzle I or the yarn nozzle II feeds the same path of yarn; the knitting needles on the front needle bed and the back needle bed are staggered together and simultaneously feed one path of yarn in the first yarn feeder or the second yarn feeder, and the other path of yarn feeder which is not fed with the yarn is stopped at a position where one side of the yarn feeder is not collided by any knitting needle; until the finger tip knitting of the glove seam part is finished.
Use of: the prior art glove knitting machine has the condition that the front needle bed and the rear needle bed simultaneously lift needles, but the condition occurs during the seam knitting, namely when the finger tips are sewn at the seam part of the glove, the front needle bed and the rear needle bed are mutually staggered and only feed the same path of yarn, so the knitting structures knitted by the front needle bed and the rear needle bed are sewn together, and the knitting structures knitted by the front needle bed and the rear needle bed of the glove are finally separated to form a cylinder shape.
The utility model changes the bottleneck that the conventional glove knitting machine only can feed one path of yarn at the same time when in work and has low knitting efficiency, and breakthroughs the effect that two paths of yarns are simultaneously fed when the front and rear guide pin machine heads of the novel glove knitting machine simultaneously lift the needles, so that not only can the fingertips and finger seams of the knitted gloves be sewn together, but also the fingertips and the finger seams of the knitted gloves can be sewn together when knitting other needle numbers of all rows, and the knitted gloves are not sewn together, thereby realizing that the knitting speed is doubled nearly under the condition of not increasing the movement speed of the guide pin machine head, and greatly improving the productivity.
The core technology for realizing the above functions is in the following aspects: the front and rear needle guide machine heads are independently driven by two servo motors (the front and rear needle guide machine heads of other common glove machines are driven by one motor), and certainly, the front and rear needle guide machine heads can be driven by one motor and converted by a mechanical structure so as to realize the conversion of the dislocation motion and the parallel motion of the front and rear needle guide machine heads; secondly, each yarn nozzle is also independently driven by an independent stepping motor or a servo motor (the prior art); thirdly, the knitting needles on the needle bed can be pushed up when the needle raising cams of the front and rear needle guide heads move in the left and right directions, and the descending amplitude of the knitting needles is adjusted (the descending amplitude of the knitting needles is adjusted by adjusting the density of the gloves).
The core protection points of the present application are only two-point: the purpose of switching the dislocation (the dislocation is seen as front and back from the motion state) and the parallel motion mode (no matter the driving method of two motors or the mechanical structure for driving one motor) of the front and back needle guide heads is to realize that the front and back needle beds simultaneously push a certain number of knitting needles to eat one path of yarn in a staggered state to finish the knitting of the sewing, and the front and back needle beds simultaneously push a certain number of knitting needles to eat two paths of yarn in a completely staggered state (the dislocation is seen as front and back from the motion state), and finish the mutual exchange of the two paths of yarn eaten by the knitting needles of the front and back needle beds so as to finish the tubular knitting. II, secondly: the needle raising cams of the front and rear needle guide heads can push up the knitting needles on the needle bed when moving in the left and right directions and adjust the descending amplitude of the knitting needles (the descending amplitude of the knitting needles is used for adjusting the density of the gloves).
Claims (6)
1. A synchronous yarn-taking and synchronous knitting mechanism for front and rear machine heads of a knitting glove knitting machine comprises a rack, wherein a front needle bed and a rear needle bed are arranged on the rack, the front needle bed and the rear needle bed are symmetrically arranged according to the front side and the rear side of the rack, a front needle guide machine head is arranged on the front needle bed, the front needle guide machine head is slidably mounted on a group of front slide bars and front slide rails on the rack, the front needle guide machine head is further connected with a front driving plate, the two ends of the front driving belt are respectively connected with a front driving belt pulley and a front driven belt pulley, a rear needle guide machine head is arranged on the rear needle bed, the rear needle guide machine head is slidably mounted on a group of rear slide bars and rear slide rails on the rack, the rear needle guide machine head is further connected with a rear driving plate, and the rear driving plate is connected to a rear driving belt, the yarn feeder is characterized in that the front driving belt pulley is connected to a motor shaft of a front servo motor, and the rear driving belt pulley is connected to a motor shaft of a rear servo motor.
2. The synchronous front and rear head draft knitting mechanism of a knitting glove knitting machine as claimed in claim 1, wherein the front servo motor and the rear servo motor operate independently during operation, and there are two operating states, one of which operates synchronously and the other operates at a different speed.
3. The synchronous yarn-taking and synchronous knitting mechanism for the front and rear machine heads of the knitting glove knitting machine as claimed in claim 2, characterized in that the front and rear needle guide machines have two working states in the driving operation of the front or rear servo motors, respectively, one of which is arranged in a staggered manner according to the front and rear sides of the machine frame, and the other of which is arranged symmetrically according to the front and rear sides of the machine frame.
4. The synchronous yarn-taking and synchronous knitting mechanism for the front and rear machine heads of the glove knitting machine according to claim 3, characterized in that when the front guide needle machine head and the rear guide needle machine head are arranged in a staggered manner according to the front and rear sides of the machine frame, the front guide needle machine head drives the front needle bed to lift a needle and match with one of the yarn nozzles; meanwhile, the back needle guiding machine head drives the back needle bed to lift and match with another yarn nozzle.
5. The synchronous yarn-taking and synchronous knitting mechanism for the front and rear machine heads of the glove knitting machine as claimed in claim 3, wherein when the front needle guiding machine head and the rear needle guiding machine head are symmetrically arranged and operated according to the front and rear sides of the machine frame, the front needle guiding machine head drives the front needle bed and the rear needle guiding machine head drives the rear needle bed to alternately lift needles and match with the same yarn nozzle.
6. The synchronous front and rear head draft knitting mechanism of a glove knitting machine according to claim 1, 2, 3, 4 or 5, characterized in that the same guide pin cam bottom plate is provided on the inner side end faces of the front and rear guide pin heads, the guide pin cam bottom plate includes a needle raising height control cam, a half-raising cam, a left needle raising cam, a right needle raising cam, a left knitting density cam, a right knitting density cam, a flat needle cam, a rubber band needle raising cam and a rubber band needle raising height control cam, the needle raising height control cam and the half-raising cam are located in the middle of the guide pin cam bottom plate and are arranged at intervals one above the other, the left needle raising cam is located below the left side of the half-raising cam, the right needle raising cam is located below the right side of the half-raising cam, the left knitting density cam is located above the left side of the left needle raising cam, the right knitting density triangle is located the upper right side of the right needle raising triangle, the flat needle triangle is located the top of the left knitting density triangle, the rubber string needle raising triangle is located the right side of the right knitting density triangle, and the rubber string needle raising height control triangle is located above the rubber string needle raising triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220079790.7U CN216639835U (en) | 2022-01-13 | 2022-01-13 | Synchronous yarn-feeding and synchronous knitting mechanism for front and rear machine heads of knitted glove knitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220079790.7U CN216639835U (en) | 2022-01-13 | 2022-01-13 | Synchronous yarn-feeding and synchronous knitting mechanism for front and rear machine heads of knitted glove knitting machine |
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| CN216639835U true CN216639835U (en) | 2022-05-31 |
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| CN202220079790.7U Active CN216639835U (en) | 2022-01-13 | 2022-01-13 | Synchronous yarn-feeding and synchronous knitting mechanism for front and rear machine heads of knitted glove knitting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182422A (en) * | 2022-01-13 | 2022-03-15 | 施小川 | Synchronous yarn-taking and synchronous knitting mechanism for front and rear machine heads of knitted glove knitting machine and knitting method thereof |
| CN114182422B (en) * | 2022-01-13 | 2024-07-02 | 东阳市鸿胜工业科技有限公司 | Synchronous knitting mechanism for synchronously feeding yarns to front and rear machine heads of glove knitting machine and knitting method thereof |
-
2022
- 2022-01-13 CN CN202220079790.7U patent/CN216639835U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182422A (en) * | 2022-01-13 | 2022-03-15 | 施小川 | Synchronous yarn-taking and synchronous knitting mechanism for front and rear machine heads of knitted glove knitting machine and knitting method thereof |
| CN114182422B (en) * | 2022-01-13 | 2024-07-02 | 东阳市鸿胜工业科技有限公司 | Synchronous knitting mechanism for synchronously feeding yarns to front and rear machine heads of glove knitting machine and knitting method thereof |
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Effective date of registration: 20231101 Address after: Room 101, Building 19, Wanyang Zhongchuang City (West District), No. 1201 Guangfu East Street, Liushi Street, Dongyang City, Jinhua City, Zhejiang Province, 322100 Patentee after: Dongyang Hongsheng Industrial Technology Co.,Ltd. Address before: 322000 room 504, unit 2, building 11, Chaohui, Jiangdong Street, Yiwu City, Jinhua City, Zhejiang Province Patentee before: Shi Xiaochuan |