CN110641164B - Novel paper pressing device - Google Patents
Novel paper pressing device Download PDFInfo
- Publication number
- CN110641164B CN110641164B CN201911019079.1A CN201911019079A CN110641164B CN 110641164 B CN110641164 B CN 110641164B CN 201911019079 A CN201911019079 A CN 201911019079A CN 110641164 B CN110641164 B CN 110641164B
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- shaft
- section
- paper pressing
- elastic piece
- pressing device
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- 238000003825 pressing Methods 0.000 title claims abstract description 54
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/04—Roller platens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/20—Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment, or for print gap adjustment
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
- Handling Of Sheets (AREA)
Abstract
The novel paper pressing device comprises a bracket, a wheel plate, a paper pressing wheel and two elastic pieces, wherein the wheel plate is hinged on the bracket, the paper pressing wheel is arranged in front of a wheel plate hinge part, two elastic piece fixing parts are respectively arranged on two sides of the rear of the wheel plate hinge part, and one ends of the two elastic pieces are respectively arranged in the elastic piece fixing parts on the two sides; the novel paper pressing device further comprises an elastic piece end part position synchronous adjusting mechanism, and the other ends of the two elastic pieces are connected to the elastic piece end part position synchronous adjusting mechanism. The invention has the characteristics of convenient adjustment of paper pressing force and tiny adjustment range, and has simple structure, convenient assembly and low manufacturing cost.
Description
Technical Field
The invention relates to a novel paper pressing device for jet printing equipment.
Background
At present, in the spray printing process of the spray printing industry, thick or hard printing media are easy to slip relative to a machine paper feeding driving piece, so that errors exist in printing length; the thin printing medium can shrink or expand after ink absorption, the printed area is wrinkled randomly, and the wrinkled medium can scratch the nozzle due to the fact that the distance between the nozzle of the printer and the surface of the medium is relatively short, so that the ink pollutes a normal picture, and a jet printing product is scrapped. These problems occur in relation to the amount of pressure of the platen against the print medium.
The prior methods for solving the problems include the following methods: firstly, according to printing mediums with different thicknesses, manually replacing tension springs on a paper pressing device, matching a large tension spring for thick mediums and matching a small tension spring for thin mediums, wherein although the solution is feasible, the tension springs are manually replaced in time along with the change of the thickness of the printing mediums to change the paper pressing force so as to eliminate the bad phenomenon, the operation is troublesome, and in addition, the fluctuation range of the paper pressing force generated by the solution is larger, so that the purpose of fine adjustment is difficult to achieve; secondly, when the thin paper is wrinkled, a paper pressing wheel of a paper pressing device adjacent to the nearest wrinkled area is lifted, the paper pressing wheel is separated from a jet printing medium, the wrinkling is improved, and the problem can be solved temporarily and occasionally, but the method is difficult to adapt to the production requirements of modern automation; thirdly, the height of steel thorns on the surface of a paper feeding driving wheel of the machine is heightened, but the surface layer of the paper pressing wheel is damaged in an accelerating way, the service life of the paper pressing wheel is greatly reduced, and the steel thorns on the surface of the driving wheel are easy to wear and cannot be used stably for a long time.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel paper pressing device for jet printing equipment, which can be used for conveniently and finely adjusting paper pressing force.
In order to solve the technical problems, the invention adopts the following technical scheme:
The novel paper pressing device comprises a bracket, a wheel plate, a paper pressing wheel and two elastic pieces, wherein the wheel plate is hinged on the bracket, the paper pressing wheel is arranged in front of a wheel plate hinge part, two elastic piece fixing parts are respectively arranged on two sides of the rear of the wheel plate hinge part, and one ends of the two elastic pieces are respectively arranged in the elastic piece fixing parts on the two sides; the novel paper pressing device further comprises an elastic piece end part position synchronous adjusting mechanism, and the other ends of the two elastic pieces are connected to the elastic piece end part position synchronous adjusting mechanism.
Further, the synchronous adjustment mechanism of elastic piece end position includes:
The handle is arranged on the bracket and can linearly reciprocate between two sides of the bracket;
the rotating shaft is rotatably arranged on the bracket, and the rotating axis of the rotating shaft is parallel to the translation path of the handle;
Two clamping columns which are spaced up and down are arranged on the handle; at least one spiral convex edge is arranged on the peripheral surface of the rotating shaft; the spiral convex rib on the rotating shaft is clamped between the two clamping columns of the handle;
Two ends of the rotating shaft are respectively provided with an eccentric elastic piece installation part, and the two elastic piece installation parts are symmetrical in plane; the other end parts of the two elastic pieces are respectively connected with the two elastic piece mounting parts.
Further, a plurality of small clamping grooves are arranged on the bracket along the translation path of the handle at intervals; the handle is provided with a clamping block which can be matched and clamped with the small clamping groove.
Further, the small clamping groove is a V-shaped small clamping groove; the clamping block is a V-shaped clamping block with the front end being in a circular arc shape.
Further, two spiral ribs are arranged on the peripheral surface of the rotating shaft at intervals.
Further, a transverse rectangular through groove is formed in the support, a sliding rod is further arranged between two sides of the support, a sliding hole matched with the sliding rod is formed in the handle, the handle is clamped between the upper wall and the lower wall of the rectangular through groove and is in sliding fit with the sliding rod, and linear reciprocating translation between two sides of the support is achieved.
Further, the rotating shaft consists of an inner shaft and an outer end cover, the inner shaft is a stepped shaft and is provided with four sections of shafts, the first section of shaft, the second section of shaft, the third section of shaft and the fourth section of shaft are respectively from inside to outside, the shaft diameters of the first section of shaft, the second section of shaft and the third section of shaft are gradually decreased, the shaft diameters of the fourth section of shaft and the second section of shaft are equal, an elastic piece mounting part is arranged on the first section of shaft, and the spiral convex edges are arranged between the second section of shaft and the fourth section of shaft and on the peripheral surface of the third section of shaft; the outer end cover is cylindrical, the diameter of the outer end cover is equal to the shaft diameter of the first section of shaft, the outer end cover is fixedly connected with the fourth section of shaft, and the outer end cover is provided with another elastic piece mounting part; the two sides of the support are respectively provided with a shaft hole which is matched with the second section shaft and the fourth section shaft for rotation, and the rotating shaft is matched with the shaft holes in a rotating way through the second section shaft and the fourth section shaft, so that the support can rotate.
Furthermore, the elastic piece is a tension spring which is made of a piano steel wire material and has high elasticity, high strength and fatigue resistance.
Furthermore, the bracket and the wheel plate are both made of high-strength resin alloy materials through injection molding.
Furthermore, the paper pressing wheel is formed by combining a wheel core with high strength and high rigidity and a soft rubber sleeve with electric conduction performance, which are formed by injection molding of high-strength plastics, and the paper pressing wheel is formed by combining the wheel core and the soft rubber sleeve and then precisely grinding.
The synchronous adjusting mechanism for the end positions of the elastic pieces can drive the rotating shaft to rotate through the sliding handle, and the elastic piece mounting part on the rotating shaft eccentrically rotates along with the rotating shaft, so that the positions of one end parts of the two elastic pieces are synchronously changed, and the positions are slightly changed, thereby achieving the purpose of fine adjusting the elastic force of the elastic pieces, and slightly changing the pressure of the paper pressing device on a printing medium.
The invention has the characteristics of convenient adjustment of paper pressing force and tiny adjustment range, and has simple structure, convenient assembly and low manufacturing cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded perspective view of the present invention;
FIG. 3 is a schematic view of the structure of the pinch roller of the present invention;
FIG. 4 is a schematic view of the structure of the bracket of the present invention;
FIG. 5 is a schematic view of the handle of the present invention;
fig. 6 is an exploded perspective view of the shaft of the present invention.
The reference numerals in the figures are respectively:
10-brackets, 11-plate shafts, 12-through grooves, 121-lower walls, 122-upper walls, 13-clamping grooves, 14-sliding rods and 15-shaft holes;
20-wheel plate, 21-hinge part, 22-tension spring lower hanging lug part;
30-of a paper pressing wheel, 31-of a wheel shaft, 32-of a wheel core and 33-of a soft rubber sleeve;
40-tension springs;
50-handles, 51-sliding holes, 52-clamping blocks and 53-clamping columns;
60-rotating shafts, 61-inner side shafts, 62-first section shafts, 63-second section shafts, 64-third section shafts, 65-fourth section shafts, 66-inner side tension spring upper hanging lug parts, 67-spiral ribs, 71-outer side end covers and 72-outer side tension spring upper hanging lug parts;
80-drive cam.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present invention in detail, the following description is made in connection with the embodiments and the accompanying drawings.
Referring to fig. 1,2,3,4, 5, and 6, the novel paper pressing device of the present invention includes a bracket 10, a wheel plate 20 is hinged at a lower portion of the bracket 10 through a plate shaft 11, and the wheel plate 20 is rotatable relative to the bracket 10 about a hinge portion 21. The paper pressing wheels 30 are arranged in front of the hinging part 21 of the wheel plate 20, the number of the paper pressing wheels 30 can be one, two or three, the paper pressing wheels 30 are rotatably arranged at the front part of the wheel plate 20 through the wheel shafts 31, and the single paper pressing wheel 30 can be formed by combining a wheel core 32 with high strength and high rigidity and a flexible rubber sleeve 33 with electric conduction performance, which are formed by adopting high-strength plastic injection molding, so that the strength is ensured, and static electricity generated by friction of the paper pressing wheels can be effectively led out; the paper pressing wheel 30 can also be formed by combining a wheel core 32 which is formed by injection molding of high-strength plastics and has high strength and high rigidity with a soft rubber sleeve 33 which is made of rubber and has super-strong corrosion resistance and oil resistance, so that the paper pressing wheel can be used on various oily ink machines without deformation, expansion and other phenomena; the paper pressing wheel 30 is manufactured by precisely grinding after combining the wheel core 32 and the flexible rubber sleeve 33, so that the size precision, concentricity and roundness of each wheel can be ensured, and the adverse phenomenon caused by different wheels on the machine can be avoided. Two lower tension spring lugs 22 are respectively arranged at two sides of the rear of the hinge part 21 of the wheel plate 20, and the lower ends of the two tension springs 40 are respectively arranged at the lower tension spring lugs 22 at the two sides.
The novel paper pressing device further comprises an elastic piece end part position synchronous adjusting mechanism arranged on the bracket 10, and the elastic piece end part position synchronous adjusting mechanism comprises a handle 50 and a rotating shaft 60.
A transverse rectangular through groove 12 is arranged on the bracket 10, and a plurality of V-shaped small clamping grooves 13 which are equally spaced are arranged on the lower wall 121 of the rectangular through groove 12; a slide bar 14 is arranged between two sides of the bracket 10; a sliding hole 51 matched with the sliding rod 14 is arranged on the handle 50, the handle 50 is clamped between the upper wall 122 and the lower wall 121 of the rectangular through groove 12, and the sliding hole 51 is in sliding fit with the sliding rod 14, so that linear reciprocating translation between two sides of the bracket 10 is realized; the lower part of the handle 50 is also provided with a V-shaped clamping block 52 with a circular arc front end which can be matched and clamped with the V-shaped small clamping groove 13, so that the handle 50 can move slightly and can be clamped and limited during translation.
The rotating shaft 60 consists of an inner shaft 61 and an outer end cover 71, the inner shaft 61 is a stepped shaft and is provided with four sections of shafts, namely a first section of shaft 62, a second section of shaft 63, a third section of shaft 64 and a fourth section of shaft 65 from inside to outside, the shaft diameters of the first section of shaft 62, the second section of shaft 63 and the third section of shaft 64 are reduced, the shaft diameters of the fourth section of shaft 65 and the second section of shaft 63 are equal, an eccentric inner tension spring upper hanging lug 66 is arranged on the first section of shaft 62, two spiral ribs 67 with intervals are arranged between the second section of shaft 63 and the fourth section of shaft 65 and on the peripheral surface of the third section of shaft 64, and the two spiral ribs 67 with intervals are arranged, so that the rotation balance performance of the rotating shaft 60 can be improved; the outer end cover 71 is cylindrical, the diameter of the outer end cover 71 is equal to the shaft diameter of the first section shaft 62, the outer end cover 71 and the fourth section shaft 65 form fixed connection, and an eccentric outer tension spring upper hanging lug 72 is arranged on the outer end cover 71; the inner tension spring upper hanging lug 66 and the outer tension spring upper hanging lug 72 are in plane symmetry, and the upper ends of the two tension springs 40 are respectively connected with the inner tension spring upper hanging lug 66 and the outer tension spring upper hanging lug 72; shaft holes 15 which are matched with the second section shaft 63 and the fourth section shaft 65 for rotation are respectively arranged on two sides of the support 10, and the rotating shaft 60 can rotate on the support 10 through the rotation fit of the second section shaft 63 and the fourth section shaft 65 with the shaft holes 15. The axis of rotation of the shaft 60 is parallel to the path of translation of the handle 50. The rotating shaft 60 is designed to be composed of the inner shaft 61 and the outer end cover 71, so that the processing and the manufacturing are convenient, and the assembly is convenient.
Two round clamping posts 53 which are vertically spaced are also arranged on the handle 50; a spiral rib 67 on the shaft 60 is caught between the two catching posts 53 of the handle 50. When the handle 50 is translated, the rotation shaft 60 is driven to rotate by the spiral rib 67 having a spiral angle, and a minute rotation is realized. Thereby the upper end parts of the two tension springs 40 are synchronously changed in a constant-amplitude and small manner, so that the tension of the tension springs 40 is changed, and the purpose of adjusting the paper pressing force of the paper pressing wheel 30 on the wheel plate 20 to the printing medium is achieved. The handle 50 and the shaft 60 are made of materials with high strength, high wear resistance and high dimensional stability so as to ensure transmission accuracy and durability.
The tension spring 40 is made of a piano wire material and has high elasticity and high strength fatigue resistance. The bracket 10 and the wheel plate 20 are made of high-strength resin alloy materials through injection molding, so that the structural strength and the dimensional accuracy can be effectively ensured.
A driving cam 80 is provided between the bracket 10 and the wheel plate 20, and the pressing of the platen 30 can be controlled by an operating lever penetrating into a hexagonal hole or a square flat hole of the driving cam 80.
The bracket 10 can have different styles and be provided with screw positioning holes of various styles so as to be installed on different machines.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, and any minor modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the present invention.
Claims (9)
1. The novel paper pressing device comprises a bracket, a wheel plate, a paper pressing wheel and two elastic pieces, wherein the wheel plate is hinged on the bracket, the paper pressing wheel is arranged in front of a wheel plate hinge part, two elastic piece fixing parts are respectively arranged on two sides of the rear of the wheel plate hinge part, and one ends of the two elastic pieces are respectively arranged in the elastic piece fixing parts on the two sides; the method is characterized in that: the novel paper pressing device also comprises an elastic piece end part position synchronous adjusting mechanism, and the other ends of the two elastic pieces are connected with the elastic piece end part position synchronous adjusting mechanism; the synchronous adjustment mechanism of elastic component tip position includes:
The handle is arranged on the bracket and can linearly reciprocate between two sides of the bracket;
the rotating shaft is rotatably arranged on the bracket, and the rotating axis of the rotating shaft is parallel to the translation path of the handle;
Two clamping columns which are spaced up and down are arranged on the handle; at least one spiral convex edge is arranged on the peripheral surface of the rotating shaft; the spiral convex rib on the rotating shaft is clamped between the two clamping columns of the handle;
Two ends of the rotating shaft are respectively provided with an eccentric elastic piece installation part, and the two elastic piece installation parts are symmetrical in plane; the other end parts of the two elastic pieces are respectively connected with the two elastic piece mounting parts.
2. The novel paper pressing device according to claim 1, characterized in that: a plurality of small clamping grooves are arranged on the bracket at intervals along the translation path of the handle; the handle is provided with a clamping block which can be matched and clamped with the small clamping groove.
3. The novel paper pressing device according to claim 2, characterized in that: the small clamping groove is a V-shaped small clamping groove; the clamping block is a V-shaped clamping block with the front end being in a circular arc shape.
4. The novel paper pressing device according to claim 1, characterized in that: two spiral convex edges are arranged on the peripheral surface of the rotating shaft at intervals.
5. The novel paper pressing device according to claim 1, characterized in that: the handle is clamped between the upper wall and the lower wall of the rectangular through groove, and the linear reciprocating translation between the two sides of the support is realized through the sliding fit of the sliding hole and the sliding rod.
6. The novel paper pressing device according to claim 1, characterized in that: the rotating shaft consists of an inner shaft and an outer end cover, the inner shaft is a stepped shaft and is provided with four sections of shafts, the first section of shaft, the second section of shaft, the third section of shaft and the fourth section of shaft are respectively from inside to outside, the shaft diameters of the first section of shaft, the second section of shaft and the third section of shaft are gradually decreased, the shaft diameters of the fourth section of shaft and the second section of shaft are equal, an elastic piece mounting part is arranged on the first section of shaft, and the spiral convex edges are arranged between the second section of shaft and the fourth section of shaft and on the peripheral surface of the third section of shaft; the outer end cover is cylindrical, the diameter of the outer end cover is equal to the shaft diameter of the first section of shaft, the outer end cover is fixedly connected with the fourth section of shaft, and the outer end cover is provided with another elastic piece mounting part; the two sides of the support are respectively provided with a shaft hole which is matched with the second section shaft and the fourth section shaft for rotation, and the rotating shaft is matched with the shaft holes in a rotating way through the second section shaft and the fourth section shaft, so that the support can rotate.
7. The novel paper pressing device according to claim 1, characterized in that: the elastic piece is a tension spring which is made of a piano steel wire material and has high elasticity, high strength and fatigue resistance.
8. The novel paper pressing device according to claim 1, characterized in that: the support and the wheel plate are both made of high-strength resin alloy materials through injection molding.
9. The novel paper pressing device according to claim 1, characterized in that: the paper pressing wheel is formed by combining a wheel core with high strength and high rigidity and a flexible rubber sleeve with electric conduction performance, which are formed by adopting high-strength plastic injection molding, and the paper pressing wheel is formed by combining the wheel core and the flexible rubber sleeve and then precisely grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019079.1A CN110641164B (en) | 2019-10-24 | 2019-10-24 | Novel paper pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019079.1A CN110641164B (en) | 2019-10-24 | 2019-10-24 | Novel paper pressing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110641164A CN110641164A (en) | 2020-01-03 |
| CN110641164B true CN110641164B (en) | 2024-06-11 |
Family
ID=69013342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911019079.1A Active CN110641164B (en) | 2019-10-24 | 2019-10-24 | Novel paper pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110641164B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211662875U (en) * | 2019-10-24 | 2020-10-13 | 东莞市丰收实业有限公司 | Novel press paper device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6299367B1 (en) * | 1998-04-09 | 2001-10-09 | Seiko Epson Corporation | Coil spring sheet-pressing member for sheet feeding mechanism |
| CN101396928A (en) * | 2008-11-05 | 2009-04-01 | 北京美科艺数码科技发展有限公司 | Paper pressing wheel for ink jet printer |
| CN202826752U (en) * | 2012-09-03 | 2013-03-27 | 天津宝盈电脑机械有限公司 | Adjustable paper-feeding device of printer |
| CN203888388U (en) * | 2014-05-28 | 2014-10-22 | 郑州新世纪数码打印科技有限公司 | Paper-pressing wheel device |
| CN208856559U (en) * | 2018-09-21 | 2019-05-14 | 杭州御澜科技有限公司 | A kind of material guiding mechanism for wide format printer |
-
2019
- 2019-10-24 CN CN201911019079.1A patent/CN110641164B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211662875U (en) * | 2019-10-24 | 2020-10-13 | 东莞市丰收实业有限公司 | Novel press paper device |
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| CN110641164A (en) | 2020-01-03 |
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Address after: Room 102, Building 2, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, 523000 Applicant after: DONGGUAN FENGSHOU INDUSTRIAL CO.,LTD. Address before: 523000 Room 101, building 2, No.2, Hongye South 3rd road, Tangxia Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN FENGSHOU INDUSTRIAL CO.,LTD. |
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