CN111977445B - Reciprocal tractive of acrylic fibres wool blended yarn is spread yarn device - Google Patents
Reciprocal tractive of acrylic fibres wool blended yarn is spread yarn device Download PDFInfo
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- CN111977445B CN111977445B CN202010739279.0A CN202010739279A CN111977445B CN 111977445 B CN111977445 B CN 111977445B CN 202010739279 A CN202010739279 A CN 202010739279A CN 111977445 B CN111977445 B CN 111977445B
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- 229920002972 Acrylic fiber Polymers 0.000 title claims abstract description 14
- 210000002268 wool Anatomy 0.000 title claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 124
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 28
- 239000003831 antifriction material Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 abstract 1
- 238000003892 spreading Methods 0.000 description 14
- 238000005096 rolling process Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000013519 translation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H47/00—Unfolding thin limp material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/174—Textile, fibre
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
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- Treatment Of Fiber Materials (AREA)
- Looms (AREA)
Abstract
The invention discloses a reciprocating traction yarn laying device for acrylic fiber and wool blended yarns, which relates to the field of cloth laying machines, wherein two ends of two sliding chutes are provided with positioning boxes in a sliding manner through fixedly arranged sliding rails, all the positioning boxes are symmetrical in the longitudinal direction and the transverse direction of a yarn laying table, the positioning boxes are provided with moving grooves, positioning columns are coaxially and fixedly arranged in the positioning boxes, the lower ends of the positioning columns are fixedly connected with electromagnets, the lower ends of the electromagnets are fixedly provided with sliding blocks, and the sliding blocks are in sliding connection with the sliding rails; the positioning box, the positioning column, the electromagnet and the sliding block are coaxially provided with a bolt in a penetrating way, the positioning column is sleeved with a plurality of positioning rods, and the positioning rods are made of metal materials; the rod body part of the positioning rod is arranged outside the positioning box through the motion groove, the upper end surface of the positioning rod at the uppermost end is in contact connection with a second spring, the second spring is fixedly arranged on the lower surface of the cover body of the positioning box, and the second spring is a compression spring; the invention solves the technical problem of irregular cloth paving of the traditional cloth paving machine.
Description
Technical Field
The invention relates to the field of cloth paving machines, in particular to a reciprocating traction and yarn paving device for acrylic fiber and wool blended yarns.
Background
In the cloth production process, the cloth needs to be flatly laid and sold in order after the cloth production is finished. The cloth spreading device which is not cut at present needs to be regularly spread with cloth, and in the traditional cloth primary processing, semi-finished cloth is rolled on a roller, and due to the fact that a reliable positioning device is not arranged, in the cloth spreading process, the roller needs to actively feed the cloth under the action of a motor to repeatedly fold the cloth for laying, but because the radius of the roller where the cloth on the roller is located is changed along with the laying of the cloth, the rotating speed of the motor is changed, the size and the manufacturing cost of the cloth spreading machine are greatly improved, in addition, in the cloth spreading process, when the moving direction of the cloth spreading machine is changed, the cloth needs to be reversely moved, the cloth is obviously and extremely unreliable only by means of the gravity of a cloth pressing device, and the phenomenon that the laid cloth is extremely easy to be uneven at a folding position can be caused. .
Based on the above, the invention designs a device for stretching and laying acrylic fiber and wool blended yarns in a reciprocating manner, so as to solve the problems.
Disclosure of Invention
The invention aims to provide an acrylic fiber and wool blended yarn reciprocating drawing and yarn laying device, which solves the problems that the prior art needs a roller to actively feed cloth under the action of a motor to lay the cloth in a double-folded manner, but the radius of the roller where the cloth is located on the roller is changed along with the laying of the cloth, so that the rotating speed of the motor is required to be changed, the size and the manufacturing cost of a cloth laying machine are greatly improved, in addition, in the cloth laying process, when the moving direction of the cloth laying machine is changed, the cloth needs to move in a reverse direction, the cloth is obviously extremely unreliable only clamped by the gravity of a cloth pressing device, and the phenomenon that the laid cloth is extremely easy to be out of alignment at a folding position is caused.
In order to achieve the purpose, the invention provides the following technical scheme: the acrylic fiber and wool blended yarn reciprocating traction yarn laying device comprises a yarn laying table, mounting grooves, a sliding table, a cloth drawing port and a guide groove, wherein the mounting grooves are symmetrically formed in the yarn laying table, the lower end of the sliding table is fixedly connected with the yarn laying table in a sliding mode through a fixedly arranged sliding strip, and the cloth drawing port is connected with the guide groove in the yarn laying table in a sliding mode through the sliding table; the method is characterized in that: the two ends of the two mounting grooves are provided with positioning boxes in a sliding manner through fixedly arranged sliding rails, all the positioning boxes are symmetrical in the longitudinal direction and the transverse direction of the yarn laying table (four corners are fixedly arranged and are completely symmetrical, the positioning boxes on the opposite corners are completely identical in fact, and the movement grooves are oppositely arranged when the positioning boxes on the same line are manufactured), the positioning boxes are provided with movement grooves, the positioning columns are coaxially and fixedly arranged in the positioning boxes, electromagnets (the electromagnets can provide stable downward force for all the positioning rods) are fixedly connected to the lower ends of the positioning columns, so that each positioning rod can be quickly sucked down by the electromagnets when reaching the fixed section, and the positioning rods of the fixed section are mutually clamped, so that gauze can be reliably clamped, and sliding blocks are fixedly arranged at the lower ends of the electromagnets and are in sliding connection with the sliding rails; the positioning box, the positioning column, the electromagnet and the sliding block are coaxially provided with a bolt in a penetrating way, and the lower end of the bolt is in pin joint with a pin hole arranged on the yarn laying platform (the bolt is the simplest and reliable fixing mode, a groove body on the sliding rail can limit the rotation freedom degree and the vertical movement freedom degree of the positioning box, and the bolt limits the movement freedom degree of the positioning box on the plane, so that the matching of the bolt and the sliding rail completely limits all the freedom degrees of the positioning box, and the fixing of the positioning box is reliable); a plurality of positioning rods are sleeved on the positioning columns and are made of metal materials; the rod body part of the positioning rod is arranged outside the positioning box through a moving groove, the upper end surface of the positioning rod at the uppermost end is in contact connection with a second spring, the second spring is fixedly arranged on the lower surface of the cover body of the positioning box, and the second spring is a compression spring; the outer surface of the lower part of the positioning box is rotatably provided with a gear, and a traction plate is fixedly arranged on the gear; the length of the sliding strip is larger than the width of the sliding rail (the sliding table can pass through a groove body of a yarn laying table above the sliding rail);
the motion groove comprises a rod storage section, a fixed section and a rotating section; the fixed section is connected with the rod storage section through the rotating section; the height of the rotating section is higher than the thickness of one positioning rod and lower than the thickness of two positioning rods (only one rotatable positioning rod is arranged in the rotating section at the same time, so that the use efficiency of the positioning rods is ensured, and the positioning rods can be prevented from being clamped in the rotating section); the degree of the central angle of the positioning box corresponding to the lower end of the storage rod section and the lower end of the fixing section is more than or equal to 90 degrees (the positioning rod of the storage rod section is ensured not to interfere with the movement of the cloth drawing opening);
the outer contour of the traction plate is coaxial with the positioning box, and the traction plate comprises a connecting section and a supporting section; the upper end surface of the supporting section is higher than the lower end surface of the rotating section, and the height difference between the upper end surface of the supporting section and the lower side of the rotating section is less than or equal to the thickness of one positioning rod (the supporting section of the connecting plate is ensured to drive one positioning rod to rotate every time, so that the stability of the whole movement process is ensured); the central angle corresponding to the support section of the traction plate is larger than that corresponding to the rotating section (when the front side of the support section drives one positioning rod to rotate, a cavity left when the positioning rod rotates away cannot be occupied by the positioning rod above the cavity, once the cavity is occupied, the rear side surface of the support section is blocked by the positioning rod when rotating, so that the clamping is caused, and the positioning effect of the next positioning rod in the folding of the next layer of gauze is influenced);
a rack is slidably arranged on the inner side of the mounting groove corresponding to the gear, a connecting frame is fixedly arranged on the outer side of the rack, a first spring is fixedly arranged on the outer side of the connecting frame, and the other end of the first spring is fixedly arranged on a baffle fixedly arranged with the mounting groove; the working state of the first spring is a compression state, and the modulus of the rack is equal to that of the gear;
the two sides of the sliding table are respectively fixedly provided with a first supporting rod and a second supporting rod, the orientation of the second supporting rod is the same as that of the cloth pulling opening, the orientation of the first supporting rod is opposite to that of the second supporting rod, and the length of the first supporting rod is smaller than that of the second supporting rod (as the existing cloth pulling openings are all oriented towards one side, the cloth pulling opening is the outlet end of gauze, the cloth pulling opening theoretically slightly exceeds the plane of the fixed section, then the positioning rod moves downwards, the gauze clamping effect is good, but the opening part of the cloth pulling opening is deviated to the direction of the cloth pulling opening relative to the sliding table, so in fact, as shown in figure 2, the sliding table does not need to exceed the positioning box, the cloth pulling opening can exceed the middle plane of positioning, the distance of the sliding table at the moment is far away from the connecting frame, and the length of the second supporting rod needs to be long, the same principle is that: the sliding table needs to pass through a groove body on the upper side of the sliding rail to enable the cloth spreading opening to slightly exceed the middle plane of the positioning box on the right side (the upper positioning box shown in figure 1), so that the length of the supporting rod is short.
In order to solve the problems that in the cloth laying process of the traditional device, the roller needs to actively feed cloth under the action of the motor to lay the cloth in a folded manner, but the radius of the roller where the cloth on the roller is located is changed along with the laying of the cloth, so that the rotating speed of the motor is required to be changed, the size and the manufacturing cost of the cloth laying machine are greatly improved, in addition, in the cloth laying process, when the moving direction of the cloth laying machine is changed, the cloth needs to move reversely, the cloth is obviously extremely unreliable only clamped by the gravity of the cloth pressing device, and the phenomenon that the laid cloth is extremely easy to be untidy at the folding position is caused, the invention provides the following solving modes:
when in use: the upper side of the cloth pulling opening is externally connected with a cloth rolling roller without a motor, as shown in figure 1: fix the end of yarn material on spreading the yarn platform earlier, then the slip table is at peripheral hardware drive in the guide slot reciprocating motion, spread yarn work: when the yarn laying device moves to the positioning box close to one end, a positioning rod in the positioning box is driven to rotate by a certain angle to be parallel to the cloth pulling opening, and then the positioning rod moves downwards under the action of the electromagnet, so that the reliable positioning effect is achieved. Since the working principle of the positioning boxes at the two ends of the yarn laying table is completely the same, but the directions are opposite, only the movement process of the cloth drawing opening towards the section positioning box in fig. 1 and 2 is briefly described.
When the cloth drawing opening is guided by the guide groove to be close to the positioning box, the second supporting rod which is close to the connecting frame firstly contacts the connecting frame to drive the connecting frame to move leftwards (shown in figure 2), at the moment, the first spring is compressed, so that the connecting frame drives the rack to move leftwards, the gear is further driven to rotate clockwise, the connecting plate on the gear is forced to rotate along the axis of the positioning box, as the front end of the supporting part of the connecting plate before rotating (shown in the right side of figure 8) is propped against the positioning rod at the lowest end, when the gear drives the connecting plate to rotate, the connecting plate drives the positioning rod at the lowest end to rotate along the rotating section, when the positioning rod is collinear with the fixed section, the positioning rod is quickly sucked down by the electromagnet in an electrified state and reliably clamps the gauze with the yarn laying table, and when the sliding table moves reversely, the positioning rod utilizes the clamping force of the gauze and the transverse pressure provided by the fixed section for the positioning rod to provide power for the rotation of the cloth rolling roller, and the peripheral speed of the cloth roller is theoretically equal to the translation speed of the sliding table. Going on simultaneously with this, the locating lever of its top that the support section of catch plate can support always, when the slip table drives granny rag mouth reverse motion, second branch breaks away from behind the oppression to the link, under the effect of first spring, the link will be the motion of resetting, thereby drive gear antiport through the rack, after the rotation is accomplished, the upper end of supporting part will break away from the contact rather than the locating lever of top, thereby under the effect of second spring, the locating lever will down move, compensate the space that the locating lever of changeing away left, the leading flank of support section this moment will exist crossing on the horizontal plane with the locating lever of the bottom of stock section once more, thereby when the support section rotates next time, still can drive the locating lever of the downside of stock section and rotate.
After the work of spreading the cloth is accomplished, the power of disconnection electro-magnet to clamp force between the locating lever will loosen, pulls out the bolt of location upper end, moves away the locating box towards both sides along the slide rail, and the locating lever can break away from with the gauze, can accomplish complete shop's cloth process, afterwards, moves the locating lever to initial position along the motion slot again, installs the locating box again and can carry out the shop's cloth process of next time.
In the scheme, the driving force for rotating the cloth rolling roller is from the tension of laid cloth, so that a driving motor with variable rotating speed and components thereof do not need to be installed, and the manufacturing cost and the use cost of the cloth laying machine are reduced to a great extent; in addition, the fixed section is vertical and downward, and the driving force in the cloth laying process is provided by the positioning rod, so that the gauze on the positioning rod can be reliably leveled by transverse pulling force, and the problem that the folding part in the traditional laying device is not neat is solved.
As a further scheme of the invention: the positioning box comprises an upper box body and a lower box body, and the upper box body is rotatably connected with the lower box body; the boundary between the upper box body and the lower box body is the lower end face of the rotating section; the upper box body and the lower box body are positioned through a positioning device.
In the use process of the invention, because the motion groove is zigzag and the second spring is arranged in the positioning box, when the positioning rod of the fixed section needs to be moved to the rod storage section along the motion groove, only one positioning rod can be moved, which is difficult, and the solution of the part is as follows:
when in use: loosen positioner earlier, then box body and lower box body in the relative rotation, the fixed section that makes the pole section of depositing of last box body and box body down aligns, moves the whole locating lever of fixed section to deposit the pole section again, and then rotates last box body and lower box body to initial position relatively, and the complete reset process can be accomplished to dead the positioner lock again.
The upper positioning box is divided into the upper box body and the lower box body, and the fixed section and the rod storage section are collinear through mutual rotation between the upper positioning box body and the lower box body, so that the problem that when the positioning rod of the fixed section needs to be moved to the rod storage section along the movement groove, only one positioning rod can be moved, and the problem that the positioning rod is difficult to move is solved.
As a further scheme of the invention: the positioning device comprises a set screw, a pin plate, an upper pin groove, a first lower pin groove and a second lower pin groove; the upper pin groove is formed in the outer wall of the upper box body, a pin plate is arranged on the upper pin groove in a sliding mode, a set screw is vertically connected to the outer surface of the pin plate in a threaded mode, a first lower pin groove and a second lower pin groove are formed in the outer wall of the lower box body respectively, and a corresponding central angle between the first lower pin groove and the second lower pin groove is equal to a corresponding central angle of the rotating section; when the pin plate is in pin joint with the first lower pin groove, the rod storage section and the fixed section of the moving groove are connected through the rotating section; when the pin plate is in pin joint with the second lower pin groove, the rod storage section and the fixed section of the moving groove are communicated, namely are collinear.
Typical positioning devices may be difficult to install due to size issues and may be unreliable. The solution of the part is as follows: as shown in fig. 3, the pin plate is loosened by the set screw, the pin plate moves along the upper pin groove to separate the pin plate from the contact with the first lower pin groove, the upper box body is rotated until the pin plate corresponds to the second lower pin groove, the pin plate is inserted downwards, the positioning rod of the fixing section is moved upwards to the rod storage section, the upper box body is rotated to the initial position after the pin plate is pulled upwards, and the pin plate is inserted and the set screw is locked. The positioning is reliable due to the matching of the pin plate and the pin groove, and the operation is simple and the installation is simple due to the fact that the fixing piece is the set screw.
As a further scheme of the invention: the moving grooves comprise a first moving groove and a second moving groove, the outer contours of the first moving groove and the second moving groove are completely identical, and the first moving groove and the second moving groove are symmetrical about the axis of the positioning box; the positioning rod comprises a rod body, a rotating connecting ring and a balance pin, the balance pin is fixedly connected with the rod body through the rotating connecting ring, the rotating connecting ring is sleeved with the positioning column, the rod body is embedded in the second moving groove, and the balance pin is embedded in the first moving groove.
Because the length of locating lever is longer, so probably appear depositing the pole section to the in-process of fixed segment, can appear the unstable condition of atress: the balance pin is arranged on the positioning rod, so that the stress can be improved, and the condition that the stress between the positioning rod and the positioning column is unbalanced is prevented.
As a further scheme of the invention: the length of the balance pin is smaller than that of the rod body. The balance pin is prevented from occupying too large area when the rod body works.
As a further scheme of the invention: the lower side surface of the rotating section is made of antifriction materials, so that the friction force of the positioning rod on the rotating section is reduced, and the abrasion is reduced.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, as the driving force for rotating the cloth rolling shaft comes from the tension of the laid cloth, a driving motor with variable rotating speed and components thereof do not need to be installed, thus greatly reducing the manufacturing cost and the use cost of the cloth laying machine; in addition, the fixed section is vertical and downward, and the driving force in the cloth laying process is provided by the positioning rod, so that the gauze on the positioning rod can be reliably leveled by transverse pulling force, and the problem that the folding part in the traditional laying device is not neat is solved.
2. The upper positioning box is divided into the upper box body and the lower box body, and the fixed section and the rod storage section are collinear through mutual rotation between the upper positioning box body and the lower box body, so that the problem that when the positioning rod of the fixed section needs to be moved to the rod storage section along the movement groove, only one positioning rod can be moved, and the problem that the positioning rod is difficult to move is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the front view of the present invention with the general structure turned over;
FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the portion A-1 in FIG. 2;
FIG. 4 is a schematic rear view of the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 4 according to the present invention;
FIG. 6 is a partial cross-sectional structural schematic of the present invention;
FIG. 7 is an enlarged view of the structure of portion C of FIG. 6 according to the present invention;
FIG. 8 is a schematic diagram of a multi-angle comparison structure of the positioning box of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-yarn laying table, 2-mounting groove, 3-sliding table, 4-sliding rail, 5-positioning box, 5-1-upper box body, 5-2-lower box body, 6-cloth pulling opening, 7-first supporting rod, 8-second supporting rod, 9-baffle, 10-first spring, 11-connecting frame, 12-gear, 13-rack, 14-bolt, 15-moving groove, 15-1-first moving groove, 15-2-second moving groove, 15-2-1-rod storing section, 15-2-2-fixing section, 15-2-3 rotating section, 16-positioning rod, 16-1-rod body, 16-2-balancing pin, 16-3-rotating connecting ring, 17-a traction plate, 17-1-a connecting section, 17-2-a supporting section, 18-a positioning device, 18-1-a set screw, 18-2-a pin plate, 18-3-an upper pin groove, 18-4-a first lower pin groove, 18-5-a second lower pin groove, 19-a positioning column, 20-a guide groove, 21-a second spring, 22-an electromagnet, 23-a sliding block, 24-a pin hole and 25-a sliding strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the acrylic fiber and wool blended yarn reciprocating traction yarn laying device comprises a yarn laying table 1, a mounting groove 2, a sliding table 3, a cloth spreading port 6 and a guide groove 20, wherein the mounting groove 2 is symmetrically formed in the yarn laying table 1, the lower end of the sliding table 3 is fixedly connected with the yarn laying table 1 in a sliding mode through a fixedly arranged sliding strip 25, and the cloth spreading port 6 is connected with the guide groove 20 in the yarn laying table 1 in a sliding mode through the sliding table 3; the method is characterized in that: two ends of the two mounting grooves 2 are provided with positioning boxes 5 in a sliding manner through sliding rails 4 which are fixedly arranged, all the positioning boxes 5 are longitudinally and transversely symmetrical with respect to the yarn laying table 1 (four corners are fixedly arranged and are completely symmetrical, the positioning boxes 5 on the diagonal corners are completely identical in fact, and the moving grooves 15 on the collinear positioning boxes 5 are oppositely arranged during manufacturing), the positioning boxes 5 are provided with moving grooves 15, positioning columns 19 are coaxially and fixedly arranged in the positioning boxes 5, the lower ends of the positioning columns 19 are fixedly connected with electromagnets 22 (the electromagnets 22 can provide stable downward force for all the positioning rods 16, so that each positioning rod 16 can be quickly sucked down by the electromagnets when reaching the fixed section 15-2-2, and the positioning rods 16 of the fixed section 15-2-2 are mutually clamped, so that gauze can be reliably clamped), the lower end of the electromagnet 22 is fixedly provided with a slide block 23, and the slide block 23 is connected with the slide rail 4 in a sliding way; the positioning box 5, the positioning column 19, the electromagnet 22 and the sliding block 23 are coaxially provided with a bolt 14 in a penetrating way, and the lower end of the bolt 14 is in pin connection with a pin hole 24 arranged on the yarn laying table 1 (the bolt 14 is the simplest and reliable fixing mode, the groove body on the sliding rail 4 can limit the rotation freedom degree and the up-and-down movement freedom degree of the positioning box 5, and the bolt 14 limits the movement freedom degree on the plane of the positioning box 5, so that the matching of the bolt 14 and the sliding rail 4 completely limits all the freedom degrees of the positioning box 5, and the fixing of the positioning box 5 is reliable); a plurality of positioning rods 16 are sleeved on the positioning columns 19, and the positioning rods 16 are made of metal materials; the rod body 16-1 part of the positioning rod 16 is arranged outside the positioning box 5 through the moving groove 15, the upper end surface of the uppermost positioning rod 16 is in contact connection with a second spring 21, the second spring 21 is fixedly arranged on the lower surface of the cover body of the positioning box 5, and the second spring 21 is a compression spring; the outer surface of the lower part of the positioning box 5 is rotatably provided with a gear 12, and a traction plate 17 is fixedly arranged on the gear 12; the length of the sliding strip 25 is larger than the width of the sliding rail 4 (ensuring that the sliding table 3 can pass through the groove body of the yarn laying table 1 above the sliding rail 4);
the moving groove 15 comprises a rod storage section 15-2-1, a fixed section 15-2-2 and a rotating section 15-2-3; the fixed section 15-2-2 is connected with the rod storage section 15-2-1 through the rotating section 15-2-3; the height of the rotating section 15-2-3 is higher than the thickness of one positioning rod 16 and lower than the thickness of two positioning rods 16 (ensuring that only one rotatable positioning rod 16 exists in the rotating section 15-2-3 at the same time, thereby ensuring the use efficiency of the positioning rod 16 and preventing the positioning rod 16 from being clamped in the rotating section 15-2-3); the degree of the central angle of the positioning box 5 corresponding to the lower end of the storage rod section 15-2-1 and the lower end of the fixed section 15-2-2 is more than or equal to 90 degrees (the positioning rod 16 of the storage rod section 15-2-1 is ensured not to interfere with the movement of the cloth drawing opening 6);
the outer contour of the traction plate 17 is coaxial with the positioning box 5, and the traction plate 17 comprises a connecting section 17-1 and a supporting section 17-2; the upper end surface of the supporting section 17-2 is higher than the lower end surface of the rotating section 15-2-3, and the height difference with the lower side of the rotating section 15-2-3 is less than or equal to the thickness of one positioning rod 16 (ensuring that the supporting section 17-2 of the connecting plate 17 can drive one positioning rod 16 to rotate every time, thereby ensuring the stability of the whole movement process); the central angle corresponding to the support section 17-2 of the connecting plate 17 is larger than the central angle corresponding to the rotating section 15-2-3 (when the front side of the support section 17-2 drives one positioning rod 16 to rotate, the cavity left when the positioning rod 16 rotates away cannot be immediately occupied by the positioning rod 16 above the cavity, once occupied, the rear side surface of the support section 17-2 rotates, the cavity is blocked by the positioning rod 16, so that the clamping is caused, and the positioning effect of the next positioning rod 16 in the folding of the gauze at the next layer is influenced);
a rack 13 is slidably arranged on the inner side of the mounting groove 2 corresponding to the gear 12, a connecting frame 11 is fixedly arranged on the outer side of the rack 13, a first spring 10 is fixedly arranged on the outer side of the connecting frame 11, and the other end of the first spring 10 is fixedly arranged on a baffle 9 fixedly arranged with the mounting groove 2; the working state of the first spring 10 is a compression state, and the modulus of the rack 13 is equal to that of the gear 12;
the two sides of the sliding table 3 are respectively fixedly provided with a first supporting rod 7 and a second supporting rod 8, the orientation of the second supporting rod 8 is the same as that of the cloth pulling opening 6, the orientation of the first supporting rod 7 is opposite to that of the second supporting rod 8, and the length of the first supporting rod 7 is smaller than that of the second supporting rod 8 (since the existing cloth pulling opening 6 is oriented towards one side, the cloth pulling opening 6 is the outlet end of gauze, the cloth pulling opening 6 theoretically slightly exceeds the plane of the fixed section 15-2-2, then the positioning rod 16 moves downwards, the gauze clamping effect is better, but the opening part of the cloth pulling opening 6 is deviated to the orientation direction of the cloth pulling opening 6 relative to the sliding table 3, in fact, as shown in figure 2, the sliding table 3 does not need to exceed the positioning box 5, the cloth pulling opening 6 exceeds the positioned middle plane, so the sliding table 3 is far away from the connecting frame 11, the length of the second strut 8 needs to be longer, for the same reason: the sliding table 3 needs to pass through the groove body on the upper side of the sliding rail 4 to enable the cloth spreading opening 6 to slightly exceed the middle plane of the positioning box 5 on the right side (the upper positioning box 5 shown in fig. 1), so the length of the supporting rod is short.
In order to solve the problems that in the cloth laying process of the traditional device, the roller needs to actively feed cloth under the action of the motor to lay the cloth in a folded manner, but the radius of the roller where the cloth on the roller is located is changed along with the laying of the cloth, so that the rotating speed of the motor is required to be changed, the size and the manufacturing cost of the cloth laying machine are greatly improved, in addition, in the cloth laying process, when the moving direction of the cloth laying machine is changed, the cloth needs to move reversely, the cloth is obviously extremely unreliable only clamped by the gravity of the cloth pressing device, and the phenomenon that the laid cloth is extremely easy to be untidy at the folding position is caused, the invention provides the following solving modes:
when in use: the upper side of the cloth drawing opening 6 is externally connected with a cloth rolling roller without a motor, as shown in figure 1: fix the end of yarn material on spreading yarn platform 1 earlier, then slip table 3 establishes drive arrangement's drive down reciprocating motion in guide slot 20 outside, spreads yarn work: when the yarn laying device moves to the positioning box 5 close to one end, a positioning rod 16 in the positioning box 5 is driven to rotate by a certain angle to be parallel to the cloth drawing opening 6, and then moves downwards under the action of the electromagnet 22, so that the reliable positioning effect is achieved. Since the operating principle of the positioning boxes 5 at both ends of the yarn laying table 1 is completely the same, but the directions are opposite, only the movement process of the draw-cloth opening 6 towards the segment positioning box 5 in fig. 1 and 2 will be briefly described.
When the cloth drawing opening 6 is guided by the guide groove 20 to approach the positioning box 5, the second support rod 8 firstly approaching the connecting frame 11 will first contact the connecting frame 11 to drive the connecting frame 11 to move leftwards (shown in fig. 2), at this time, the first spring 10 is compressed, so that the connecting frame 11 drives the rack 13 to move leftwards, and further drives the gear 12 to rotate clockwise, so that the connecting plate 17 on the gear 12 is forced to rotate along the axis of the positioning box 5, because the front end of the supporting part of the connecting plate 17 before rotating (shown in the right side of fig. 8) is propped against the positioning rod 16 at the lowest end, when the gear 12 drives the connecting plate 17 to rotate, the connecting plate 17 will drive the positioning rod 16 at the lowest end to rotate along the rotating section 15-2-3, and when the positioning rod 16 is collinear with the fixed section 15-2-2, the electromagnet 22 in the electrified state will be quickly sucked down and reliably clamp the gauze with the yarn laying table 1, at this time, when the sliding table 3 moves reversely, the positioning rod 16 will provide power for the rotation of the cloth rolling roller by the clamping force with the gauze and the transverse pressure provided by the fixing section 15-2-2 for the positioning rod 16, and the circumferential speed of the cloth rolling roller is theoretically equal to the translation speed of the sliding table 3. At the same time, the supporting section 17-2 of the towing plate 17 will always support the positioning rod 16 above it, when the sliding table 3 drives the cloth spreading port 6 to move reversely, the second supporting rod 8 is separated from the pressing of the connecting frame 11, under the action of the first spring 10, the connecting frame 11 will make a return movement, so that the gear 12 is driven by the rack 13 to rotate reversely, when the rotation is completed, the upper end of the support part will be out of contact with the positioning rod 16 above it, so that under the action of the second spring 21, the positioning rod 16 will move downwards to make up the space left by the rotating positioning rod 16, at this time, the front side surface of the support section 17-2 will intersect with the positioning rod 16 at the lowest end of the rod storage section 15-2-1 again on the horizontal plane, so that when the support section 17-2 rotates next time, the lowest positioning rod 16 of the rod storage section 15-2-1 is still driven to rotate.
After the cloth paving work is finished, the power supply of the electromagnet 22 is disconnected, so that the clamping force between the positioning rods 16 can be loosened, the bolts 14 at the upper ends of the positioning rods are pulled out, the positioning box 5 is moved away towards two sides along the sliding rails 4, the positioning rods 16 can be separated from gauze, the complete cloth paving process can be finished, and then the positioning rods 16 are moved to the initial position along the moving grooves 15, and the positioning box 5 is installed, so that the next cloth paving process can be carried out.
In the scheme, the driving force for rotating the cloth rolling shaft comes from the tension of the laid cloth, so that a driving motor with variable rotating speed and components thereof do not need to be installed, and the manufacturing cost and the use cost of the cloth laying machine are reduced to a great extent; in addition, the fixed section 15-2-2 is vertically downward, and the driving force in the cloth laying process is provided by the positioning rod 16, so that the gauze on the positioning rod 16 can be reliably flattened by transverse pulling force, and the problem that the folded part in the traditional laying device is not neat is solved.
As a further scheme of the invention: the positioning box 5 comprises an upper box body 5-1 and a lower box body 5-2, and the upper box body 5-1 is rotationally connected with the lower box body 5-2; the boundary between the upper box body 5-1 and the lower box body 5-2 is the lower end surface of the rotating section 15-2-3; the upper box body 5-1 and the lower box body 5-2 are positioned by a positioning device 18.
In the using process of the invention, because the moving groove 15 is zigzag and the second spring 21 is arranged in the positioning box 5, when the positioning rod 16 of the fixed section 15-2-2 needs to be moved to the rod storage section 15-2-1 along the moving groove 15, only one positioning rod can be moved, which is difficult, and the solution of the part is as follows:
when in use: the positioning device 18 is firstly loosened, then the upper box body 5-1 and the lower box body 5-2 are relatively rotated to align the rod storage section 15-2-1 of the upper box body 5-1 with the fixed section 15-2-2 of the lower box body 5-2, then the integral positioning rod 16 of the fixed section 15-2-2 is moved to the rod storage section 15-2-1, then the upper box body 5-1 and the lower box body 5-2 are relatively rotated to the initial position, and then the positioning device 18 is locked to complete the whole resetting process.
The invention divides the upper positioning box 5 into the upper box body 5-1 and the lower box body 5-2, and makes the fixed section 15-2-2 and the storage rod section 15-2-1 collinear through the mutual rotation between the upper positioning box and the lower positioning box, thereby solving the problem that when the positioning rod 16 of the fixed section 15-2-2 needs to be moved to the storage rod section 15-2-1 along the moving groove 15, only one positioning rod can be moved, which is difficult.
As a further scheme of the invention: the positioning device 18 comprises a set screw 18-1, a pin plate 18-2, an upper pin groove 18-3, a first lower pin groove 18-4 and a second lower pin groove 18-5; the upper pin groove 18-3 is formed in the outer wall of the upper box body 5-1, the pin plate 18-2 is arranged on the upper pin groove 18-3 in a sliding mode, the outer surface of the pin plate 18-2 is vertically connected with a set screw 18-1 in a threaded mode, the outer wall of the lower box body 5-2 is respectively provided with a first lower pin groove 18-4 and a second lower pin groove 18-5, and the corresponding central angle between the first lower pin groove 18-4 and the second lower pin groove 18-5 is equal to the corresponding central angle of the rotating section 15-2-3; when the pin plate 18-2 is in pin joint with the first lower pin groove 18-4, the rod storage section 15-2-1 and the fixed section 15-2-2 of the moving groove 15 are connected through the rotating section 15-2-3; when the pin plate 18-2 is in pin joint with the second lower pin groove 18-5, the rod storage section 15-2-1 and the fixed section 15-2-2 of the moving groove 15 are communicated, namely are collinear.
A typical positioning device 18 may be difficult to install due to size issues and may be unreliable. The solution of the part is as follows: as shown in figure 3, firstly, the pin plate 18-2 is loosened through the set screw 18-1, the pin plate 18-2 moves along the upper pin groove 18-3 to enable the pin plate 18-2 to be separated from contact with the first lower pin groove 18-4, the upper box body 5-1 is rotated until the pin plate 18-2 corresponds to the second lower pin groove 18-5, the pin plate 18-2 is inserted downwards, then the positioning rod 16 of the fixed section 15-2-2 is moved upwards to the rod storage section 15-2-1, then the pin plate 18-2 is pulled upwards, then the upper box body 5-1 is rotated to the initial position, the pin plate 18-2 is inserted, and the set screw 18-1 is locked. The positioning is reliable due to the matching of the pin plate 18-2 and the pin groove, and the operation is simple and the installation is simple due to the fact that the fixing piece is the set screw 18-1.
4-the moving groove 15 of the sliding rail 4 comprises a first moving groove 15-1 and a second moving groove 15-2, the outer contour of the first moving groove 15-1 is identical to that of the second moving groove 15-2, and the first moving groove 15-1 and the second moving groove 15-2 are symmetrical about the axis of the positioning box 5; the positioning rod 16 comprises a rod body 16-1, a rotating connecting ring 16-3 and a balance pin 16-2, the balance pin 16-2 and the rod body 16-1 are fixedly connected through the rotating connecting ring 16-3, the rotating connecting ring 16-3 is sleeved with a positioning column 19, the rod body 16-1 is embedded in the second moving groove 15-2, and the balance pin 16-2 is embedded in the first moving groove 15-1.
Due to the long length of the positioning rod 16, unstable stress may occur in the process from the rod storage section 15-2-1 to the fixed section 15-2-2: the balance pin 16-2 arranged on the positioning rod 16 can improve the stress, and the situation that the stress between the positioning rod 16 and the positioning column 19 is unbalanced is prevented.
As a further scheme of the invention: the length of the balance pin 16-2 is less than the length of the shank 16-1. The balance pin 16-2 is prevented from occupying too much area when the rod body 16-1 is operated.
As a further scheme of the invention: the lower side surface of the rotating section 15-2-3 is made of antifriction materials, so that the friction force of the positioning rod 16 in the rotating section 15-2-3 is reduced, and the abrasion is reduced.
The working principle is as follows: the upper side of the cloth drawing opening 6 is externally connected with a cloth rolling roller without a motor, as shown in figure 1: fix the end of yarn material on spreading yarn platform 1 earlier, then slip table 3 establishes drive arrangement's drive down reciprocating motion in guide slot 20 outside, spreads yarn work: when the yarn laying device moves to the positioning box 5 close to one end, a positioning rod 16 in the positioning box 5 is driven to rotate by a certain angle to be parallel to the cloth drawing opening 6, and then moves downwards under the action of the electromagnet 22, so that the reliable positioning effect is achieved. Since the operating principle of the positioning boxes 5 at both ends of the yarn laying table 1 is exactly the same, but the directions are opposite, only the movement process of the cloth drawing opening 6 towards the segment positioning box 5 in fig. 1 and 2 will be briefly described.
When the cloth drawing opening 6 is guided by the guide groove 20 to approach the positioning box 5, the second support rod 8 firstly approaching the connecting frame 11 will first contact the connecting frame 11 to drive the connecting frame 11 to move leftwards (shown in fig. 2), at this time, the first spring 10 is compressed, so that the connecting frame 11 drives the rack 13 to move leftwards, and further drives the gear 12 to rotate clockwise, so that the connecting plate 17 on the gear 12 is forced to rotate along the axis of the positioning box 5, because the front end of the supporting part of the connecting plate 17 before rotating (shown in the right side of fig. 8) is propped against the positioning rod 16 at the lowest end, when the gear 12 drives the connecting plate 17 to rotate, the connecting plate 17 will drive the positioning rod 16 at the lowest end to rotate along the rotating section 15-2-3, and when the positioning rod 16 is collinear with the fixed section 15-2-2, the electromagnet 22 in the electrified state will be quickly sucked down and reliably clamp the gauze with the yarn laying table 1, at this time, when the sliding table 3 moves reversely, the positioning rod 16 will provide power for the rotation of the cloth rolling roller by the clamping force with the gauze and the transverse pressure provided by the fixing section 15-2-2 for the positioning rod 16, and the circumferential speed of the cloth rolling roller is theoretically equal to the translation speed of the sliding table 3. At the same time, the supporting section 17-2 of the towing plate 17 will always support the positioning rod 16 above it, when the sliding table 3 drives the cloth pulling opening 6 to move reversely, the second supporting rod 8 is separated from the pressing to the connecting frame 11, under the action of the first spring 10, the connecting frame 11 will make a return movement, so that the gear 12 is driven by the rack 13 to rotate reversely, when the rotation is completed, the upper end of the support part will be out of contact with the positioning rod 16 above it, so that under the action of the second spring 21, the positioning rod 16 will move downwards to make up the space left by the rotating positioning rod 16, at this time, the front side surface of the support section 17-2 will intersect with the positioning rod 16 at the lowest end of the rod storage section 15-2-1 again on the horizontal plane, so that when the support section 17-2 rotates next time, the lowest positioning rod 16 of the rod storage section 15-2-1 is still driven to rotate.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The acrylic fiber and wool blended yarn reciprocating traction yarn laying device comprises a yarn laying table, mounting grooves, a sliding table, a cloth drawing port and a guide groove, wherein the mounting grooves are symmetrically formed in the yarn laying table, the lower end of the sliding table is fixedly connected with the yarn laying table in a sliding mode through a fixedly arranged sliding strip, and the cloth drawing port is connected with the guide groove in the yarn laying table in a sliding mode through the sliding table; the method is characterized in that: two ends of the two mounting grooves are provided with positioning boxes in a sliding manner through fixedly arranged sliding rails, all the positioning boxes are symmetrical in the longitudinal direction and the transverse direction of the yarn laying table, the positioning boxes are provided with moving grooves, positioning columns are coaxially and fixedly arranged in the positioning boxes, the lower ends of the positioning columns are fixedly connected with electromagnets, the lower ends of the electromagnets are fixedly provided with sliding blocks, and the sliding blocks are connected with the sliding rails in a sliding manner; the positioning box, the positioning column, the electromagnet and the sliding block are coaxially provided with a bolt in a penetrating way, and the lower end of the bolt is in pin joint with a pin hole arranged on the yarn laying platform; a plurality of positioning rods are sleeved on the positioning columns and are made of metal materials; the rod body part of the positioning rod is arranged outside the positioning box through a moving groove, the upper end surface of the positioning rod at the uppermost end is in contact connection with a second spring, the second spring is fixedly arranged on the lower surface of the cover body of the positioning box, and the second spring is a compression spring; the outer surface of the lower part of the positioning box is rotatably provided with a gear, and a traction plate is fixedly arranged on the gear; the length of the sliding strip is greater than the width of the sliding rail;
the motion groove comprises a rod storage section, a fixed section and a rotating section; the fixed section is connected with the rod storage section through the rotating section; the height of the rotating section is higher than the thickness of one positioning rod and lower than the thickness of two positioning rods; the degree of the central angle of the positioning box corresponding to the lower end of the rod storage section and the lower end of the fixing section is more than or equal to 90 degrees;
the outer contour of the traction plate is coaxial with the positioning box, and the traction plate comprises a connecting section and a supporting section; the upper end surface of the supporting section is higher than the lower end surface of the rotating section, and the height difference between the upper end surface of the supporting section and the lower end surface of the rotating section is less than or equal to the thickness of one positioning rod; the central angle corresponding to the support section of the traction plate is larger than the central angle corresponding to the rotating section;
a rack is slidably arranged on the inner side of the mounting groove corresponding to the gear, a connecting frame is fixedly arranged on the outer side of the rack, a first spring is fixedly arranged on the outer side of the connecting frame, and the other end of the first spring is fixedly arranged on a baffle fixedly arranged with the mounting groove; the working state of the first spring is a compression state, and the modulus of the rack is equal to that of the gear;
the both sides of slip table are equallyd divide and are fixed respectively and be provided with first branch and second branch, the orientation of second branch with the granny rag mouth orientation is the same, the orientation of first branch with the orientation of second branch is opposite, just the length of first branch is less than the length of second branch.
2. The acrylic fiber and wool blended yarn reciprocating drawing and yarn laying device as claimed in claim 1, characterized in that: the positioning box comprises an upper box body and a lower box body, and the upper box body is rotationally connected with the lower box body; the boundary between the upper box body and the lower box body is the lower end face of the rotating section; the upper box body and the lower box body are positioned through a positioning device.
3. The acrylic fiber and wool blended yarn reciprocating drawing and yarn laying device as claimed in claim 2, characterized in that: the positioning device comprises a set screw, a pin plate, an upper pin groove, a first lower pin groove and a second lower pin groove; the upper pin groove is formed in the outer wall of the upper box body, a pin plate is arranged on the upper pin groove in a sliding mode, a set screw is vertically connected to the outer surface of the pin plate in a threaded mode, a first lower pin groove and a second lower pin groove are formed in the outer wall of the lower box body respectively, and a corresponding central angle between the first lower pin groove and the second lower pin groove is equal to a corresponding central angle of the rotating section; when the pin plate is in pin joint with the first lower pin groove, the rod storage section and the fixed section of the moving groove are connected through the rotating section; when the pin plate is in pin joint with the second lower pin groove, the rod storage section and the fixed section of the moving groove are communicated, namely are collinear.
4. The acrylic fiber and wool blended yarn reciprocating drawing and yarn laying device as claimed in claim 1, characterized in that: the moving grooves comprise a first moving groove and a second moving groove, the outer contours of the first moving groove and the second moving groove are completely identical, and the first moving groove and the second moving groove are symmetrical about the axis of the positioning box; the positioning rod comprises a rod body, a rotating connecting ring and a balance pin, the balance pin is fixedly connected with the rod body through the rotating connecting ring, the rotating connecting ring is sleeved with the positioning column, the rod body is embedded in the second moving groove, and the balance pin is embedded in the first moving groove.
5. The acrylic fiber and wool blended yarn reciprocating drawing and yarn laying device as claimed in claim 4, characterized in that: the length of the balance pin is smaller than that of the rod body.
6. The acrylic fiber and wool blended yarn reciprocating drawing and yarn laying device as claimed in claim 1, characterized in that: the lower side surface of the rotating section is made of antifriction materials.
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| CN202010739279.0A CN111977445B (en) | 2020-07-28 | 2020-07-28 | Reciprocal tractive of acrylic fibres wool blended yarn is spread yarn device |
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| CN111977445B true CN111977445B (en) | 2022-08-02 |
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| CN113018000B (en) * | 2021-03-31 | 2022-04-05 | 河南省中医院（河南中医药大学第二附属医院） | Portable gypsum bandage finishing device |
| CN116409504A (en) * | 2023-06-12 | 2023-07-11 | 常州凯得新材料科技有限公司 | Folding mechanism for film packaging machine |
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| JPS4982087U (en) * | 1972-10-31 | 1974-07-16 | ||
| US4179108A (en) * | 1977-12-12 | 1979-12-18 | Panther Machine Corp. | Supplemental feed assembly for sheet material spreading machine |
| JPS5516909Y2 (en) * | 1977-01-31 | 1980-04-19 | ||
| CN205061125U (en) * | 2015-09-30 | 2016-03-02 | 重庆喜上眉梢服饰有限公司 | Portable cloth laying device |
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| US3622146A (en) * | 1969-06-04 | 1971-11-23 | Shoichi Adachi | Cloth-folding machine |
| JPS4982087U (en) * | 1972-10-31 | 1974-07-16 | ||
| JPS5516909Y2 (en) * | 1977-01-31 | 1980-04-19 | ||
| US4179108A (en) * | 1977-12-12 | 1979-12-18 | Panther Machine Corp. | Supplemental feed assembly for sheet material spreading machine |
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Effective date of registration: 20240227 Address after: Building 5, 4th Floor, No. 533 Yongyue Avenue, Puyuan Town, Tongxiang City, Jiaxing City, Zhejiang Province, 314502 Patentee after: Daohe clothing (Zhejiang) Co.,Ltd. Country or region after: China Address before: 512000 No. 28-2, team 1, huanghutan village committee, Chongyang Town, Wujiang District, Shaoguan City, Guangdong Province Patentee before: Huang Dongfa Country or region before: China |