CN109332507B - Chain die sleeve spiral duct machine - Google Patents
Chain die sleeve spiral duct machine Download PDFInfo
- Publication number
- CN109332507B CN109332507B CN201811370862.8A CN201811370862A CN109332507B CN 109332507 B CN109332507 B CN 109332507B CN 201811370862 A CN201811370862 A CN 201811370862A CN 109332507 B CN109332507 B CN 109332507B
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- pressing wheel
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- upper pressing
- wheel
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- 238000003825 pressing Methods 0.000 claims abstract description 173
- 239000002184 metal Substances 0.000 claims abstract description 54
- 238000005096 rolling process Methods 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 claims description 18
- 238000005452 bending Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000003490 calendering Methods 0.000 claims description 6
- 238000009957 hemming Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 4
- 238000002788 crimping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
- B21D39/026—Reinforcing the connection by locally deforming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a chain die sleeve spiral duct machine. The quality of a spiral air duct manufactured by the currently used spiral air duct machine is unstable, particularly, the connection reliability of a spiral occlusion overlapping edge is not firm, the occlusion edge is not embedded, an occlusion gap is broken, the air duct shape generates abnormal shapes, the pipe clamping phenomenon and the like. The invention carries out primary rolling on two sides of a metal strip material through a traction rolling wheel set, then forms a folding edge jaw for clamping and rolling through a traction folding edge upper pressing wheel and a traction folding edge lower pressing wheel, and two side edges are respectively bent into a V-shaped occlusion edge and a 7-shaped occlusion edge; through the chain type belt die, the friction between the belt material or the air pipe and the belt die is changed into rolling friction, so that the friction between the belt material or the air pipe and the belt die is greatly reduced, no lubricating liquid is required to be added between the belt material or the air pipe and the belt die, and the work efficiency and the product quality are greatly improved. The invention has the advantages of reasonable design structure, tight and firm seam pressing, good product quality, high working efficiency and the like.
Description
Technical Field
The invention relates to a spiral duct machine, in particular to a spiral duct machine for rolling a strip material into a spiral seam-engaging thin-walled tube, and belongs to the technical field of mechanical sheet metal.
Background
The spiral duct is usually made of metal strips through a duct machine. The spiral air duct machine is characterized in that a plurality of groups of traction folding pressing wheel groups are arranged on the spiral air duct machine, on one hand, two sides of a metal belt material are bent into occlusion edges, on the other hand, the metal belt material is pulled to move forwards, and the metal belt material is guided by a guide device which is arranged at the rear part of the traction pressing wheel group and forms a certain angle with the advancing direction of the metal belt material, the advancing direction is changed, the metal belt material which moves forwards enters the inner wall of a fixed belt die and is curled in a spiral line along a set angle, meanwhile, the occlusion edges on two sides of the metal belt material form bottom-embedded seam edges through a driving lower pressing wheel and a driven upper pressing wheel which are arranged in the front end rolling device of. The spiral duct quality that spiral duct machine used at present made is unstable, and the connection reliability of especially spiral interlock overlap joint limit is insecure, and its performance does: firstly, the occlusion overlap joint is good in the length of about 1 meter in the initial forming stage of the spiral pipe, then the occlusion edge does not embed the bottom gradually begins to appear, the occlusion gap is broken, the shape of the air pipe generates abnormity and the like, and the occlusion overlap joint is more and more serious. And secondly, due to the friction between the belt die and the pipe, the pipe clamping phenomenon cannot be avoided, so that the occlusion of the side seam cannot be carried out, and the breaking of the occlusion seam also occurs. The reason is that the fixed belt die is used, and the metal belt material slides while rotating in the belt die, so that friction cannot be avoided; closed guides are also a further cause of the above phenomenon.
Disclosure of Invention
Aiming at the problems of breaking of an engagement gap, pipe clamping and the like of the existing air pipe machine, the invention provides a chain die sleeve spiral air pipe machine, which solves the problems that an engagement edge is not embedded, an engagement gap is broken and the shape of an air pipe is abnormal in the manufacturing process of the spiral air pipe.
In order to achieve the purpose, the invention adopts the following technical scheme, and the chain die sleeve spiral duct machine structurally comprises: the chain-driven device comprises a rack, an orientation die, a chain belt die, an upper pressing wheel, a lower pressing wheel, a traction hemming upper pressing wheel, a traction hemming lower pressing wheel, a traction calendering upper wheel, a traction calendering lower wheel, an upper pressing plate, a lower pressing plate and a rolling device, wherein the rolling device comprises an upper pressing wheel, an upper pressing wheel shaft, an upper pressing wheel seat, a lower pressing wheel shaft, a lower pressing wheel seat, a speed reducer, a chain transmission mechanism and a crank slider mechanism, the chain transmission mechanism comprises a motor output shaft, a speed reducer input shaft and a transmission chain, and the crank slider mechanism comprises a fixed hinge mechanism, a connecting rod, a hydraulic cylinder and a single-out rod in the hydraulic cylinder; the upper pressing wheel is fixed on the upper pressing wheel shaft, the upper pressing wheel shaft is connected with the speed reducer through a bearing, the speed reducer is fixed on the upper pressing wheel seat, two side surfaces of the upper pressing wheel seat are provided with rotating shafts which are movably connected on two supports, the connecting relation forms a fixed hinge structure between the upper pressing wheel seat and the two supports, the upper pressing wheel seat is provided with a connecting rod, the lower end of the connecting rod is connected with a single-outlet rod of the hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly connected with a frame, when the single-outlet rod of the hydraulic cylinder pushes the connecting rod forwards, the upper pressing wheel is driven to be separated from the lower pressing wheel through the crank block mechanism, the upper pressing wheel is driven to be separated from the spiral engaging overlapping edge through the crank block mechanism, when the single-outlet rod of the hydraulic cylinder pulls the connecting rod backwards, the upper pressing wheel is driven to be pressed with the lower pressing wheel through the crank block mechanism, the outer cylindrical surface of the upper, driving an upper pressing wheel to press the spiral occlusion overlapping edge; the lower pressing wheel is fixed on the lower pressing wheel shaft, the lower pressing wheel shaft is connected with the speed reducer through the bearing, the speed reducer is fixed on the lower pressing wheel seat, the lower pressing wheel seat is fixed on the support, and the outer cylindrical surface of the lower pressing wheel is tightly attached to the metal strip to form the lower part of the spiral engaging and overlapping edge. The traction rolling upper wheel and the traction rolling lower wheel form a traction pressing wheel set, and convex toothed rolling edges are arranged on two side edges of the traction rolling upper wheel or the traction rolling lower wheel, so that the two side edges of the metal strip can be subjected to primary rolling; the traction flanging upper pressing wheel and the traction flanging lower pressing wheel form a traction flanging pressing wheel set, a plurality of groups of traction flanging pressing wheel sets are arranged on a working table surface of the frame in sequence at intervals, each group of traction flanging pressing wheel sets sequentially clamp and draw a metal strip material to move forward, the traction flanging upper pressing wheel and the traction flanging lower pressing wheel form a flanging jaw, and two side edges of the metal strip material can be respectively bent into a V-shaped occlusion edge and a 7-shaped occlusion edge; the upper pressing plate and the lower pressing plate are arranged at the rear part of the traction flanging pressing wheel set, the middle front parts of the upper pressing plate and the lower pressing plate are horizontally arranged in parallel, the rear parts of the upper pressing plate and the lower pressing plate are arranged in an upward bending mode, the metal strip passes through the space between the upper pressing plate and the lower pressing plate and then turns over upwards, the turning angle and the turning direction of the metal strip are consistent with the upward bending angle and the upward bending direction of the rear parts of the upper pressing plate and the lower pressing plate, and the connecting point of the straight part and the bending part of the upper pressing plate and the lower pressing plate is a metal strip arcing point; the chain belt die is a closed belt die, a small part of the closed belt die is a metal arc or plate, a large part of the closed belt die is a chain, the chain is composed of a connecting plate and rollers, pin shafts are arranged at two ends of each roller, shaft holes are arranged at two ends of the connecting plate, the pin shafts at the end parts of the rollers are assembled in the shaft holes at the end parts of the connecting plate, a folded metal belt material enters the chain belt die, the metal belt material rotates under the constraint of the chain belt die, at the moment, the metal belt material and the rollers on the chain belt die chain are clung to advance, the rollers roll under the drive of the metal belt material, the rolling friction between an air pipe and the belt die is realized, and the occlusion edge at one side of the metal belt material enters the rolling device along the chain belt die;
the lowest point of the inner circle of the orientation die is in a straight line with the pressing points of the upper pressing wheel and the lower pressing wheel in the rolling device and the arc starting points of the upper pressing plate and the lower pressing plate.
The rolling edge of the traction rolling upper wheel is correspondingly meshed with the rolling edge of the traction rolling lower wheel.
The orientation die can be formed by splicing two sections of circular arcs and is arranged on a circumference.
The two sections of arcs are spliced to form the directional die which is sequentially spliced on the circumference, and the directional die can also be spliced at intervals.
And the inner side ends of the two arcs of the splicing orientation die are respectively provided with a roller, so that the air pipe is supported on the rollers.
The orientation die of the invention limits the direction of the air pipe shaft after crimping, simultaneously limits the lap joint angle of the metal strip occlusion edge, and directly determines the size of a circle of forward pitch of the air pipe when rotating. The friction between the fixed die and the air pipe during the working process affects the rotation of the air pipe, so that firstly, the directional die is designed into an unclosed circle to reduce the friction, but a lubricant is continuously added between the air pipe and the directional die during the working process; secondly, the directional die is designed into a two-section arc splicing surface, two ends of the inner side of each section of arc are provided with a roller, and rolling friction is formed between the air pipe and the directional die, so that the friction between the air pipe and the directional die is greatly reduced, the working process of adding a lubricant between the air pipe and the directional die is omitted, and the working efficiency is greatly improved.
The beneficial contributions of the invention are: 1. when the metal strip enters the air duct machine preliminarily, the two sides of the metal strip are preliminarily rolled through a traction rolling wheel set, then a folding jaw is formed by a traction folding upper pressing wheel and a traction folding lower pressing wheel to clamp and roll, and the two side edges are respectively bent into a V-shaped occlusion edge and a 7-shaped occlusion edge; 2. the fixed belt die in the air duct machine is designed into the chain type belt die, so that the friction between the belt material or the air duct and the belt die is changed into rolling friction, the friction between the belt material or the air duct and the belt die is greatly reduced, no lubricating liquid is required to be added between the belt material or the air duct and the belt die, and the working procedures are reduced. Thereby greatly improving the work efficiency and the product quality.
The invention has the advantages of reasonable design structure, tight and firm seam pressing, good product quality, high working efficiency and the like.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a cross-sectional structural view of section A-A of FIG. 1;
FIG. 4 is a schematic view of the pressing state of the upper pressing wheel and the lower pressing wheel
FIG. 5 is a schematic view showing the upper pressing wheel and the lower pressing wheel separated from each other.
In the accompanying fig. 1, 2, 3, 4, 5: the device comprises a machine frame 1, a directional die 2, a chain belt die 3, an upper press wheel 4, a knurling 401, an air pipe 5, a lower press wheel 6, an upper traction flanging press wheel 7, an upper traction calendering press wheel 8, a metal belt material 9, a lower traction calendering press wheel 10, a lower traction flanging press wheel 11, an upper press plate 12, a lower press plate 13, an upper press wheel seat 14, transmission chains 15 and 17, a motor 16, a hydraulic cylinder 18, an upper press wheel shaft 19, a connecting rod 20, a lower press wheel seat 21, a lower press wheel shaft 22, a rotating shaft 23 and a support 24.
Detailed Description
As shown in fig. 1, 2, 3, 4 and 5, the structure of the utility model comprises: the chain-driven edge folding device comprises a rack 1, an orientation die 2, a chain belt die 3, an upper pressing wheel 4, a lower pressing wheel 6, a traction edge folding upper pressing wheel 7, a traction edge folding lower pressing wheel 11, a traction rolling upper wheel 8, a traction rolling lower wheel 10, an upper pressing plate 12, a lower pressing plate 13 and a rolling device, wherein the rolling device comprises the upper pressing wheel 4, an upper pressing wheel shaft 19, an upper pressing wheel seat 14, the lower pressing wheel 6, a lower pressing wheel shaft 22 and a lower pressing wheel seat 21, and further comprises a speed reducer, a chain transmission mechanism and a crank slider mechanism, the chain transmission mechanism comprises an output shaft of a motor 16, an input shaft of the speed reducer and transmission chains 15 and 17, and the crank slider mechanism comprises a fixed hinge mechanism, a connecting rod 20, a hydraulic cylinder 18 and a single rod of the hydraulic cylinder 18. The upper pressing wheel 4 is fixed on the upper pressing wheel shaft 19, the upper pressing wheel shaft 19 is connected with a speed reducer through a bearing, the speed reducer is fixed on the upper pressing wheel seat 14, two side surfaces of the upper pressing wheel seat 14 are provided with rotating shafts 23, the rotating shafts 23 are movably connected on two brackets 24, the connecting relationship forms a fixed hinge structure between the upper pressing wheel seat 14 and the two brackets 24, the upper pressing wheel seat 14 is provided with a connecting rod 20, the lower end of the connecting rod 20 is connected with a single-out rod of the hydraulic cylinder 18, the cylinder body of the hydraulic cylinder 18 is fixedly connected with the frame 1, when the single-out rod of the hydraulic cylinder 18 pushes the connecting rod 20 forwards, the upper pressing wheel 4 is driven to be separated from the lower pressing wheel 6 through the crank block mechanism, the upper pressing wheel 4 is driven to be separated from the spiral meshing overlapping edge, when the single-out rod of the hydraulic cylinder 18 pulls the connecting rod 20 backwards, the upper pressing wheel 4 is driven to be pressed with, the outer cylindrical surface of the upper pressing wheel 4 is tightly attached to the metal belt material 9 and enters the chain belt die 3 to form the upper part of the spiral occlusion overlapping edge, and the upper pressing wheel 4 is driven to tightly press the spiral occlusion overlapping edge; the lower pressing wheel 6 is fixed on a lower pressing wheel shaft 22, the lower pressing wheel shaft 22 is connected with a speed reducer through a bearing, the speed reducer is fixed on a lower pressing wheel seat 21, the lower pressing wheel seat 21 is fixed on a support 24, and the outer cylindrical surface of the lower pressing wheel 6 is tightly attached to the metal strip 9 to form the lower part of a spiral engaging overlapping edge. The traction rolling upper wheel 8 and the traction rolling lower wheel 10 form a traction pressing wheel set, and convex toothed rolling edges are arranged on two side edges of the traction rolling upper wheel 8 or the traction rolling lower wheel 10, so that the two side edges of the metal strip 9 can be subjected to preliminary rolling; the traction folding upper pinch roller 7 and the traction folding lower pinch roller 11 form a traction folding pinch roller group, a plurality of groups of traction folding pinch roller groups are arranged on a working table surface of a frame in sequence at intervals, each group of traction folding pinch roller groups sequentially clamps and pulls a metal strip material 9 to move forward, the traction folding upper pinch roller 7 and the traction folding lower pinch roller 11 form a folding jaw, and two side edges of the metal strip material 9 can be respectively bent into a V-shaped occlusion edge and a 7-shaped occlusion edge; the upper pressing plate 12 and the lower pressing plate 13 are arranged at the rear part of the traction flanging pressing wheel set, the upper pressing plate 12 and the middle front part of the lower pressing plate 13 are horizontally arranged in parallel, the rear parts of the upper pressing plate 12 and the lower pressing plate 13 are arranged in an upward bending mode, the metal strip 9 penetrates between the upper pressing plate 12 and the lower pressing plate 13 and then turns upwards, the turning angle and the advancing direction after turning are consistent with the upward bending angle and the upward bending direction of the rear parts of the upper pressing plate 12 and the lower pressing plate 13, and the connecting point of the straight part and the bent part of the upper pressing plate 12 and the lower pressing plate 13 is a metal strip arcing point; the chain belt die 3 is a closed belt die, a small part of the chain belt die is a metal arc or a plate, a large part of the chain belt die is a chain, the chain is composed of connecting plates and rollers, pin shafts are arranged at two ends of each roller, shaft holes are arranged at two ends of each connecting plate, the pin shafts at the end parts of the rollers are assembled in the shaft holes at the end parts of the connecting plates, the metal belt material 9 after being turned over enters the chain belt die 3, the metal belt material 9 rotates under the constraint of the chain belt die 3, at the moment, the metal belt material 9 and the rollers on the chain of the chain belt die 3 are clung to advance, the rollers roll under the drive of the metal belt material, the rolling friction between an air pipe and the belt die is realized, and the occlusion edge at one side of the. And then the edges of the metal strip 9 are engaged and connected through a rolling device.
The directional die 2 of the invention limits the axial direction of the air pipe 5 after crimping, and simultaneously limits the overlapping angle of the occlusion edge of the metal strip 9, and directly determines the size of a forward screw pitch of the air pipe 5 rotating for one circle. The friction between the fixed die 2 and the air pipe 5 in the working process affects the rotation of the air pipe 5, so that firstly, the directional die 2 is designed into an unclosed circle to reduce the friction, but a lubricant is continuously added between the air pipe 5 and the directional die 2 in the working process; secondly, the orientation die 2 is designed into a two-section arc splicing surface, two ends of the inner side of each section of arc are provided with a roller, and rolling friction is formed between the air pipe 5 and the orientation die 2, so that the friction between the air pipe 5 and the orientation die 2 is greatly reduced, the working process of adding lubricant between the air pipe 5 and the orientation die 2 is omitted, and the working efficiency is greatly improved.
Claims (4)
1. A kind of chain die sleeve spiral air duct machine, its structure includes: the chain-driven device comprises a rack, an orientation die, a chain belt die, an upper pressing wheel, a lower pressing wheel, a traction hemming upper pressing wheel, a traction hemming lower pressing wheel, a traction calendering upper wheel, a traction calendering lower wheel, an upper pressing plate, a lower pressing plate and a rolling device, wherein the rolling device comprises an upper pressing wheel, an upper pressing wheel shaft, an upper pressing wheel seat, a lower pressing wheel shaft, a lower pressing wheel seat, a speed reducer, a chain transmission mechanism and a crank slider mechanism, the chain transmission mechanism comprises a motor output shaft, a speed reducer input shaft and a transmission chain, and the crank slider mechanism comprises a fixed hinge mechanism, a connecting rod, a hydraulic cylinder and a single-out rod in the hydraulic cylinder; the upper pressing wheel is fixed on the upper pressing wheel shaft, the upper pressing wheel shaft is connected with the speed reducer through a bearing, the speed reducer is fixed on the upper pressing wheel seat, two side surfaces of the upper pressing wheel seat are provided with rotating shafts which are movably connected on two supports, the connecting relation forms a fixed hinge structure between the upper pressing wheel seat and the two supports, the upper pressing wheel seat is provided with a connecting rod, the lower end of the connecting rod is connected with a single-outlet rod of the hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly connected with a frame, when the single-outlet rod of the hydraulic cylinder pushes the connecting rod forwards, the upper pressing wheel is driven to be separated from the lower pressing wheel through the crank block mechanism, the upper pressing wheel is driven to be separated from the spiral engaging overlapping edge through the crank block mechanism, when the single-outlet rod of the hydraulic cylinder pulls the connecting rod backwards, the upper pressing wheel is driven to be pressed with the lower pressing wheel through the crank block mechanism, the outer cylindrical surface of the upper, driving an upper pressing wheel to press the spiral occlusion overlapping edge; the lower pressing wheel is fixed on the lower pressing wheel shaft, the lower pressing wheel shaft is connected with the speed reducer through a bearing, the speed reducer is fixed on the lower pressing wheel seat, the lower pressing wheel seat is fixed on the support, and the outer cylindrical surface of the lower pressing wheel is tightly attached to the lower part of the metal belt material to form a spiral occlusion overlapping edge, and the lower pressing wheel is characterized in that: the traction rolling upper wheel and the traction rolling lower wheel form a traction pressing wheel set, and convex toothed rolling edges are arranged on two side edges of the traction rolling upper wheel or the traction rolling lower wheel, so that the two side edges of the metal strip can be subjected to primary rolling; the traction flanging upper pressing wheels and the traction flanging lower pressing wheels form traction flanging pressing wheel sets, the traction flanging pressing wheel sets are multiple in number and are sequentially arranged on a working table surface of the frame at intervals, each traction flanging pressing wheel set sequentially clamps and pulls the metal strip to move forward, the traction flanging upper pressing wheels and the traction flanging lower pressing wheels form flanging jaws, and two side edges of the metal strip can be respectively bent into V-shaped and 7-shaped occlusion edges; the upper pressing plate and the lower pressing plate are arranged at the rear part of the traction flanging pressing wheel set, the middle front parts of the upper pressing plate and the lower pressing plate are horizontally arranged in parallel, the rear parts of the upper pressing plate and the lower pressing plate are arranged in an upward bending mode, the metal strip passes through the space between the upper pressing plate and the lower pressing plate and then turns over upwards, the turning angle and the turning direction of the metal strip are consistent with the upward bending angle and the upward bending direction of the rear parts of the upper pressing plate and the lower pressing plate, and the connecting point of the straight part and the bending part of the upper pressing plate and the lower pressing plate is a metal strip arcing point; the chain belt die is a closed belt die, a small part of the closed belt die is a metal arc or plate, a large part of the closed belt die is a chain, the chain is composed of a connecting plate and rollers, pin shafts are arranged at two ends of each roller, shaft holes are arranged at two ends of the connecting plate, the pin shafts at the end parts of the rollers are assembled in the shaft holes at the end parts of the connecting plate, a folded metal belt material enters the chain belt die, the metal belt material rotates under the constraint of the chain belt die, at the moment, the metal belt material and the rollers on the chain belt die chain are clung to advance, the rollers roll under the drive of the metal belt material, the rolling friction between an air pipe and the belt die is realized, and the occlusion edge at one side of the metal belt material enters the rolling device along the chain belt die; the lowest point of the inner circle of the orientation die, the pressing point of the upper pressing wheel and the lower pressing wheel in the rolling device and the arc starting point of the upper pressing plate and the lower pressing plate are on the same straight line; the orientation die is an open circular ring, is formed by splicing two sections of circular arcs and is arranged on one circumference.
2. The chain die sleeve spiral duct machine of claim 1, wherein: the rolling edge of the traction rolling upper wheel is correspondingly meshed with the rolling edge of the traction rolling lower wheel.
3. The chain die sleeve spiral duct machine of claim 1, wherein: the two sections of arcs are spliced to form the directional die which is sequentially spliced on the circumference, and the directional die can also be spliced at intervals.
4. A chain-die-set spiral duct machine according to claim 1 or 3, characterized in that: and the inner side ends of the two arcs of the orientation die are respectively provided with a roller, so that the air pipe is supported on the rollers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370862.8A CN109332507B (en) | 2018-11-18 | 2018-11-18 | Chain die sleeve spiral duct machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370862.8A CN109332507B (en) | 2018-11-18 | 2018-11-18 | Chain die sleeve spiral duct machine |
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| CN109332507A CN109332507A (en) | 2019-02-15 |
| CN109332507B true CN109332507B (en) | 2020-03-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109807246A (en) * | 2019-02-16 | 2019-05-28 | 陈习昶 | A kind of bias method adjusts the stitching wheel of occlusion seam thickness |
| CN109675958A (en) * | 2019-02-16 | 2019-04-26 | 陈习昶 | A kind of floating manner adjusts the Spiral ducted unit of stitching wheel |
| CN114101375A (en) * | 2020-09-01 | 2022-03-01 | 欣诺冷弯型钢产业研究院（曹妃甸）有限公司 | Cold and hot composite forming system and method for seaming spiral air pipe |
| CN112427564A (en) * | 2020-10-31 | 2021-03-02 | 惠州市奥速运动器材有限公司 | Flywheel outer ring rolling method |
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| KR20020026032A (en) * | 2000-09-30 | 2002-04-06 | 이구택 | Device for leading paper of paper roller |
| CN102909262A (en) * | 2011-08-05 | 2013-02-06 | 孙娜 | Strip die replacing device of spiral tube former |
| CN103447349A (en) * | 2013-09-03 | 2013-12-18 | 盐城仕博机械制造有限公司 | Two-way active rolling type stainless-steel spiral air pipe machine |
| CN203448431U (en) * | 2013-09-03 | 2014-02-26 | 盐城仕博机械制造有限公司 | Stainless steel spiral wind pipe machine |
| CN106140867A (en) * | 2015-04-13 | 2016-11-23 | 嵇霖 | Spiral duct machinery |
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Effective date of registration: 20210810 Address after: 528000 one of No. 9, Punan Avenue, Ganglian Punan industrial development zone, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN NANHAI CHEN FENG MACHINERY Co.,Ltd. Address before: 224700 Room 201, building 17, huaruijiayuan Development Zone, Jianhu County, Yancheng City, Jiangsu Province Patentee before: Chen Xichang |
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