CN110253912B - Spiral air duct forming machine - Google Patents
Spiral air duct forming machine Download PDFInfo
- Publication number
- CN110253912B CN110253912B CN201910566888.8A CN201910566888A CN110253912B CN 110253912 B CN110253912 B CN 110253912B CN 201910566888 A CN201910566888 A CN 201910566888A CN 110253912 B CN110253912 B CN 110253912B
- Authority
- CN
- China
- Prior art keywords
- roller
- forming
- base
- winding
- air duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Duct Arrangements (AREA)
Abstract
The invention provides a spiral air duct forming machine which comprises a discharging mechanism, a forming mechanism and a coiling mechanism. The discharging mechanism is provided with a cloth discharging roller which discharges the base cloth towards the outlet direction. The forming mechanism is arranged on one side of an outlet of the discharging mechanism and is provided with a self-rotating forming roller, the lower end of the forming mechanism is provided with a flattening device, the flattening device and the forming roller synchronously rotate, and the base cloth is spirally wound on the forming roller to form a cylindrical air duct and then is extruded into a belt shape through the flattening device. And the coiling mechanism is positioned on one side close to the flattening device, is provided with a coiling roller of the collecting air cylinder, and synchronously rotates in the same direction with the forming roller. The spiral air duct forming machine provided by the invention can complete the winding work while forming the air duct, can complete the forming and winding work of the spiral air duct at one time, and has high automation degree and efficiency.
Description
Technical Field
The invention relates to the technical field of air duct forming and preparation, in particular to a spiral air duct forming machine.
Background
The air duct is a main air guide device for local ventilation, and is mainly applied to necessary devices for ventilation in construction site operations such as mines, tunnels, air dams, subways and the like. The air duct can be divided into a hard air duct and a flexible air duct. The flexible air duct has the advantages of light weight, simple connection and suspension, convenience in disassembly and assembly and few joints. The current flexible fabric wind tube adopts a piece of plain cloth, two sides of the flat cloth are thermally bonded to form a cylindrical tube body, and the tube body of the wind tube manufactured by the method is easy to tear and slit under the action of high-pressure gas, so that the whole wind tube cannot be normally used. Therefore, the spiral air duct is formed, the barrel body is prepared in a spiral forming mode, and the fiber trend in the air duct cloth can be adjusted according to needs, so that the air duct has good mechanical property, and the compression resistance and tear resistance are greatly improved. However, due to the spiral forming, each time one spiral forming is completed, the formed air duct forms a twist, and the air duct forms a twist after being formed, so that the air duct cannot be rolled.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
Therefore, the technical problem to be solved by the invention is to overcome the defect that the spiral air duct cannot be rolled after being formed in the prior art, so that the spiral air duct forming machine capable of forming and simultaneously completing the curling is provided.
In order to solve the technical problems, the invention provides the following technical scheme: a spiral air duct forming machine comprises a machine frame,
the discharging mechanism is provided with a cloth discharging roller which discharges the base cloth towards the outlet direction;
the forming mechanism is arranged on one side of an outlet of the discharging mechanism and is provided with a self-rotating forming roller, the lower end of the forming mechanism is provided with a flattening device, the flattening device and the forming roller synchronously rotate, and the base cloth is spirally wound on the forming roller to form a cylindrical air duct and then is extruded into a belt shape through the flattening device;
and the coiling mechanism is positioned at one side close to the flattening device, is provided with a coiling roller for collecting the air cylinder, and synchronously rotates in the same direction with the forming roller.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the winding roller and the flattening device are linearly distributed along the axial direction of the forming roller, and the winding roller rotates perpendicular to the forming roller.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the coiling mechanism comprises a coiling mechanism and a coiling mechanism,
the base is arranged at the lower end of the flattening device, and the winding roller is arranged on the base;
the power device is connected with the base, drives the base to rotate, and enables the rotation of the winding roller to be synchronous with the rotation of the forming roller;
the rotating direction of the base is the same as that of the forming roller, and the winding roller is arranged in the middle of the base.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the power device comprises a power device and a control device,
the coiling motor is connected with the base and drives the base to rotate;
and the driving structure is arranged between the coiling motor and the base, transmits the power of the coiling motor to the base, and synchronizes the rotating speed of the base with the forming roller.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the driving structure comprises a coiling gear and a circular rack, the coiling gear is sleeved on the output end of the coiling motor, the circular rack is arranged on the base, and the coiling gear is meshed with the circular rack.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the winding device comprises a winding shaft, a winding roller, a winding support and a winding roller, wherein the winding roller is arranged on the base through the winding support, the winding roller is sleeved on the winding shaft, and the winding shaft is connected with the base through a linkage structure to drive the winding roller to rotate around the winding shaft.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the linkage structure comprises
The power set comprises a driving bevel gear and a driven bevel gear, wherein the driving bevel gear is coaxially arranged with the base, the driven bevel gear is meshed with the driving bevel gear, and the axial direction of the driven bevel gear is parallel to the reeling shaft;
and the transmission group is connected with the power group and the winding roller and comprises a transmission belt connected with the driven bevel gear and the winding shaft.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the flattening device comprises a pair of adjacent flattening rollers, a gap is reserved between the flattening rollers, and the air duct penetrates through the gap to be flattened; two ends of the flattening roller are fixedly connected to the coiling bracket through connecting rods, so that the flattening roller and the forming roller rotate together.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the forming mechanism also comprises a hot air welding gun and a press roller, the hot air welding gun is arranged on the outer side of the forming roller, and the muzzle of the hot air welding gun is aligned with the surface of the forming roller; the outer surface of the compression roller is in contact with the forming roller and synchronously rotates with the forming roller.
As a preferred scheme of the spiral air duct forming machine of the present invention, wherein: the forming mechanism and the coiling mechanism are arranged on the frame, the top and the bottom of the frame are respectively provided with a fixed shaft and a bottom shaft, the fixed shaft and the bottom shaft are positioned on the same axis, and the forming roller and the base are respectively arranged on the fixed shaft and the bottom shaft.
The invention has the beneficial effects that: the spiral air duct forming machine provided by the invention can complete the winding work while forming the air duct, can complete the forming and winding work of the spiral air duct at one time, and has high automation degree and efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be 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 to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of the overall structure of a spiral duct forming machine;
FIG. 2 is a side schematic view of the take-up mechanism;
FIG. 3 is a perspective view of the base;
FIG. 4 is a schematic view of a linkage structure;
fig. 5 is a top view of the frame.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Example 1
The present embodiment provides a spiral air duct forming machine, the structure of which is shown in fig. 1, and the spiral air duct forming machine includes a discharging mechanism 100, a forming mechanism 200, and a winding mechanism 300. The discharging mechanism 100 has a cloth discharging roller 120 wound around the base cloth 110, and the cloth discharging roller 120 is connected to a cloth roller motor 130 so that the cloth discharging roller 120 continuously rotates to discharge the base cloth 110 in a direction close to the outlet of the forming mechanism 200. The forming mechanism 200 includes a cylindrical forming roller 210 disposed in a vertical direction, and the forming roller 210 is driven by a forming motor 250 to rotate in one direction. The base fabrics 110 enter the forming roller 210 at a certain angle and are wound on the surface of the forming roller 210, and a certain part of coincidence exists between each circle of the base fabrics 110. After the forming roll 210 continues to wind the base fabric 110, the base fabric 110 is wound into a cylindrical wind tunnel on the surface of the forming roll 210. The lower end of the air duct is separated from the forming roller 210, and then is pressed by a flattening device 220 provided below the forming roller 210 to form a belt-shaped air duct. The winding roller 320 in the winding mechanism 300 is arranged below the flattening device 220, and the strip-shaped air cylinder is finally wound on the winding roller 320 to complete the winding work of the formed and flattened air cylinder.
Flattening device 220 and take-up roller 320 in this embodiment all rotate with the shaping roller 210 synchronous syntropy, because the dryer is spiral shaping on shaping roller 210, shaping roller 210 is continuing the rotation again, if flattening device 220 and take-up roller 320 all fixed, the good dryer of shaping can form a twist, cause the twist of dryer, lead to unable rolling, consequently, set up and take-up roller 320 and flattening device 220 with shaping roller 210 synchronous syntropy pivoted, can untwist the dryer after the shaping, accomplish simultaneously and batch the work, the unable problem of batching of twist after having solved spiral dryer shaping, the shaping and the collection of dryer have been realized.
Example 2
The embodiment provides a spiral air duct forming machine, which comprises a discharging mechanism 100, a forming mechanism 200 and a winding mechanism 300. The discharging mechanism 100 has a discharging roller 120, and the discharging roller 120 discharges the base fabric 110 in the outlet direction. The forming mechanism 200 is provided at the outlet side of the discharging mechanism 100, and has a forming roller 210 that rotates on its own axis, and a flattening device 220 is provided at the lower end thereof, the flattening device 220 and the forming roller 210 rotate in synchronization, and the base fabric 110 is spirally wound around the forming roller 210 to form a cylindrical air duct, and then extruded into a belt shape by the flattening device 220. And the coiling mechanism 300 is positioned at one side close to the flattening device 220, is provided with a coiling roller 320 of the collection air cylinder, and synchronously rotates the coiling roller 320 and the forming roller 210 in the same direction.
In order to enable the winding roller 320 and the flattening device 220 to rotate synchronously with the forming roller 210 and facilitate smooth winding of the formed air duct, as shown in fig. 1 and fig. 2, the winding roller 320 and the flattening device 220 in the embodiment are linearly distributed along the axial direction of the forming roller 210, the winding roller 320 and the flattening device 220 are arranged in parallel, and the axial direction of the winding roller 320 is perpendicular to the forming roller 210, so that the winding shaft 321 rotates perpendicular to the forming roller 210. Because the winding roller 320 and the flattening device 220 can synchronously rotate in the same direction with the forming roller 210, the forming roller can rotate in the same direction
As shown in fig. 1, the winding mechanism 300 of the present embodiment includes a base 310 and a power unit 330 for driving the base 310 to rotate. The base 310 is disposed at the lower end of the flattening device 220, and the take-up roll 320 is disposed on the base 310. The power unit 330 is connected to the base 310, drives the base 310 to rotate, and synchronizes the rotation of the take-up roller 320 with the forming roller 210. The rotation axis of the base 310 is aligned with the rotation axis of the forming roller 210, the rotation direction of the base 310 is the same as that of the forming roller 210, the winding roller 320 is disposed in the middle of the base 310, and the center of the forming roller 210 is located on the rotation axis of the base 310. The base 310 drives the winding roller 320 to rotate, so that the winding roller 320 and the forming roller 210 synchronously rotate, untwisting of the air duct is realized while winding, and the flattened air duct still keeps a straight belt shape after entering the forming roller 210.
As shown in fig. 1, the power device 330 includes a winding motor 331 disposed on one side of the base 310, the winding motor 331 is connected to the base 310 through a driving structure 332, and drives the base 310 to rotate, so as to transmit the power of the winding motor 331 to the base 310, and synchronize the rotation speed of the base 310 with the forming roller 210.
Specifically, as shown in fig. 3, the driving structure 332 in this embodiment includes a winding gear 332a and a circular rack 332b, the winding gear 332a is disposed on the output end of the winding motor 331, the circular rack 332b is disposed on the bottom surface of the base 310, and the winding gear 332a is engaged with the circular rack 332 b. By adjusting the parameters of the take-up gear 332a and the circular rack 332b, the rotation angular velocity of the base 310 is made to be consistent with the angular velocity of the forming roller 210, so that the synchronous rotation of the take-up roller 320 and the forming roller 210 is realized.
The forming roller 210 and the base 310 in this embodiment are disposed on the same frame 400, the top and the bottom of the frame 400 are respectively provided with the fixing shaft 430 and the bottom shaft 440, the forming roller 210 and the base 310 are respectively mounted on the fixing shaft 430 and the bottom shaft 440, and the axes of the fixing shaft 430 and the bottom shaft 440 are in the same line, so that the forming roller 210 and the base 310 are coaxially disposed, and the wind barrel cannot be twisted due to position deviation when the wind barrel is wound by the winding roller 320.
Example 3
The present embodiment provides a spiral wind tunnel forming machine, which is different from the spiral wind tunnel forming machine provided in embodiment 2 in that the driving structure 332 in the present embodiment is not provided with the winding gear 332a and the circular rack 332b, and instead uses a speed reducer and a synchronous gear structure to connect the base 310 and the winding motor 331. The speed reducer is installed at the output end of the coiling motor 331, the speed reducer and the base 310 are respectively connected with synchronous belt wheels, and the two synchronous belt wheels are connected through a synchronous belt so as to transmit power.
Example 4
The present embodiment provides a spiral air duct forming machine, which is different from the spiral air duct forming machine in embodiment 2 in that the winding roller 320 in this embodiment is installed on the base 310 through the winding support 322, and the winding roller 320 is sleeved on the winding shaft 321, and the winding shaft 321 is connected with the base 310 through the linkage structure 340 to drive the winding roller 320 to rotate around the winding shaft 321.
As shown in fig. 3, the two winding brackets 322 are vertically erected on the base 310, and the top end thereof is erected with a winding shaft 321, and the winding shaft 321 is perpendicular to the axial direction of the base 310. The winding roller 320 is sleeved outside the winding shaft 321, and rotates around the axis of the winding shaft 321 to wind the strip-shaped air duct.
The linkage structure 340 in this embodiment includes a power set 341 and a transmission set 342, the power set 341 is connected to the base 310, the power generated when the base 310 rotates is converted into a direction parallel to the winding shaft 321, and the transmission set 342 transmits the power after conversion to the winding shaft 321 to drive the winding roller 320 to rotate. As shown in fig. 4, the power pack 341 includes a drive bevel gear 341a fixedly provided at the upper end of the base 310, and a driven bevel gear 341b coupled to the inside of the base 310 by a steered shaft 342c, and the drive bevel gear 341a and the driven bevel gear 341b are engaged. When the base 310 rotates, the driven bevel gear 341b and the direction-changing shaft 342c rotate around the driving bevel gear 341a due to the engagement relationship, and also undergo self-rotation, thereby achieving a direction change of the rotating force of the base 310 by 90 degrees to be parallel to the winding shaft 321. The transmission set 342 includes rollers 342a fixed on the direction-changing shaft 342c and the winding shaft 321, respectively, and a transmission belt 342b is connected between the rollers 342a to transmit power to the winding shaft 321 to drive the winding roller 320 to rotate.
The linkage structure 340 can realize power output to the winding roller 320 while the base 310 rotates, and a power source does not need to be independently arranged for the winding roller 320, so that the synchronous rotation speed and the rotation speed of the winding roller 320 and the forming roller 210 are better matched, and the regulation and control of equipment are facilitated. Meanwhile, the structure of the equipment is simplified, and the manufacturing cost is reduced.
Example 5
The present embodiment provides a spiral wind tunnel forming machine, which is different from the spiral wind tunnel forming machine in embodiment 4 in that a linkage structure 340 is not provided in this embodiment, and a separate motor is used instead to drive the winding roller 320 to rotate. Specifically, the motor is disposed on the base 310, and the motor is connected to the winding shaft 321 to provide power for the rotation of the winding roller 320.
Example 6
This embodiment provides a spiral wind tunnel forming machine, which is different from the spiral wind tunnel forming machine in embodiment 4 in that, as shown in fig. 2, the flattening device 220 in this embodiment includes a pair of adjacent flattening rollers 221, and the flattening rollers 221 are unpowered round rollers, which are parallel to the axial direction of the take-up roller 320. A gap is left between the two flattening rollers 221, and the air duct passes through the gap to be flattened and then is wound on the lower winding roller 320.
In order to enable the flattening roller 221 to rotate synchronously with the forming roller 210 and the winding roller 320, the flattening roller 221 should be fixedly connected with the forming roller 210, but one side of the forming roller 210 is provided with the discharging mechanism 100, and the connecting structure is arranged to collide with the base cloth 110 in the discharging mechanism 100 when rotating, so that two ends of the flattening roller 221 in the embodiment are fixedly connected to the winding bracket 322 through the connecting rod 222, so that the flattening roller 221 and the winding roller 320 rotate together, and flattening and untwisting are simultaneously performed.
Example 7
The present embodiment provides a spiral duct forming machine, which is different from the spiral duct forming machine in embodiment 6 in that, as shown in fig. 1, the forming mechanism 200 in this embodiment further includes a hot air welding gun 230 and a pressing roller 240 for forming the spiral base fabric 110 into a cylindrical duct. The hot air welding gun 230 is disposed outside the forming roll 210, and its muzzle is aligned with the surface of the forming roll 210, and continuously blows out the heated compressed air or inert gas to the overlapped part of each turn of the base cloth 110, and heats the overlapped part of the base cloth 110 to a viscous state, so as to form a bonding region 111, thereby bonding each turn of the base cloth 110 together to form a cylindrical air duct. The other side of the hot air welding gun 230 is provided with a press roller 240 parallel to the forming roller 210, the outer surface of the press roller 240 is in contact with the forming roller 210, and after the hot air welding gun 230 bonds the base cloth 110, the base cloth 110 is bonded more tightly through the extrusion of the press roller 240, so that the bonding stability is ensured. The pressing roller 240 is suspended on the frame 400 by a suspension rod, has a certain pressing force on the surface of the forming roller 210, is opposite to the rotating direction of the forming roller 210, has the same rotating linear speed, and ensures the bonding effect.
As shown in fig. 1 and 5, the frame 400 in this embodiment includes four vertical stands 410, the lower ends of the stands 410 are placed on the ground, and a bottom shaft 440 is connected to the middle for mounting the base 310. The top end of the stand 410 is connected with a horizontal beam 420, and a fixed shaft 430 is vertically arranged in the middle of the beam 420 for mounting the forming roller 210.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a spiral dryer make-up machine which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a discharging mechanism (100) having a discharging roller (120), wherein the discharging roller (120) discharges the base cloth (110) towards the outlet direction;
the forming mechanism (200) is arranged on one side of an outlet of the discharging mechanism (100), is provided with a self-rotating forming roller (210), the lower end of the forming mechanism is provided with a flattening device (220), the flattening device (220) and the forming roller (210) synchronously rotate, and the base cloth (110) is spirally wound on a cylindrical air duct on the forming roller (210) and then is extruded into a belt shape through the flattening device (220);
the coiling mechanism (300) is positioned at one side close to the flattening device (220), is provided with a coiling roller (320) for collecting the air duct, and synchronously rotates the coiling roller (320) and the forming roller (210) in the same direction;
the winding mechanism (300) includes:
the base (310) is arranged at the lower end of the flattening device (220), and the winding roller (320) is arranged on the base (310);
the power device (330) is connected with the base (310), drives the base (310) to rotate, and enables the rotation of the winding roller (320) to be synchronous with the forming roller (210);
the rotating direction of the base (310) is the same as that of the forming roller (210), and the winding roller (320) is arranged in the middle of the base (310);
the winding roller (320) is arranged on the base (310) through a winding support (322), the winding roller (320) is sleeved on a winding shaft (321), and the winding shaft (321) is connected with the base (310) through a linkage structure (340) to drive the winding roller (320) to rotate around the winding shaft (321);
the linkage structure (340) comprises
A power pack (341) including a drive bevel gear (341a) coaxially disposed with the base (310) and a driven bevel gear (341b) engaged with the drive bevel gear (341a), the driven bevel gear (341b) having an axial direction parallel to the winding shaft (321);
and the transmission set (342) is connected with the power set (341) and the winding roller (320) and comprises a transmission belt (342b) connected with the driven bevel gear (341b) and the winding shaft (321).
2. The spiral air duct forming machine according to claim 1, characterized in that: the winding roller (320) and the flattening device (220) are linearly distributed along the axial direction of the forming roller (210), and the winding roller (320) rotates perpendicular to the forming roller (210).
3. The spiral air duct forming machine according to claim 2, characterized in that: the power device (330) comprises a power device,
the coiling motor (331) is connected with the base (310) and drives the base (310) to rotate;
and the driving structure (332) is arranged between the coiling motor (331) and the base (310), transmits the power of the coiling motor (331) to the base (310), and synchronizes the rotating speed of the base (310) with the forming roller (210).
4. The spiral air duct forming machine according to claim 3, characterized in that: the driving structure (332) comprises a coiling gear (332a) and a circular rack (332b), the coiling gear (332a) is sleeved on the output end of the coiling motor (331), the circular rack (332b) is arranged on the base (310), and the coiling gear (332a) is meshed with the circular rack (332 b).
5. The spiral air duct forming machine according to claim 4, wherein: the flattening device (220) comprises a pair of adjacent flattening rollers (221), a gap is reserved between the flattening rollers (221), and the air duct penetrates through the gap to be flattened; the two ends of the flattening roller (221) are fixedly connected to the winding bracket (322) through connecting rods (222), so that the flattening roller (221) and the forming roller (210) rotate together.
6. The spiral air duct forming machine according to claim 5, characterized in that: the forming mechanism (200) further comprises a hot air welding gun (230) and a pressing roller (240), wherein the hot air welding gun (230) is arranged on the outer side of the forming roller (210), and the muzzle of the hot air welding gun is aligned with the surface of the forming roller (210); the outer surface of the pressing roller (240) is in contact with the forming roller (210) and rotates in synchronization with the forming roller (210).
7. The spiral air duct forming machine according to claim 6, wherein: the forming mechanism (200) and the coiling mechanism (300) are arranged on a rack (400), the top and the bottom of the rack (400) are respectively and coaxially provided with a fixed shaft (430) and a bottom shaft (440), the fixed shaft (430) and the bottom shaft (440) are positioned on the same axis, and the forming roller (210) and the base (310) are respectively arranged on the fixed shaft (430) and the bottom shaft (440).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910566888.8A CN110253912B (en) | 2019-06-27 | 2019-06-27 | Spiral air duct forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910566888.8A CN110253912B (en) | 2019-06-27 | 2019-06-27 | Spiral air duct forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110253912A CN110253912A (en) | 2019-09-20 |
| CN110253912B true CN110253912B (en) | 2021-08-17 |
Family
ID=67922297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910566888.8A Active CN110253912B (en) | 2019-06-27 | 2019-06-27 | Spiral air duct forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110253912B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205974942U (en) * | 2016-07-11 | 2017-02-22 | 江苏鼎顺医疗用品有限公司 | Rid cuff machine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058996A (en) * | 1976-05-17 | 1977-11-22 | Schaeffer Claude W | Machine for the manufacture of helically wound metal duct or pipe |
| NL8602677A (en) * | 1986-10-24 | 1988-05-16 | Dec Holding Bv | METHOD FOR MANUFACTURING A TUBE WITH A SMOOTH INTERNAL SURFACE AND TUBE OBTAINED BY THAT METHOD |
| JPH06154847A (en) * | 1992-11-17 | 1994-06-03 | Kubota Corp | Manufacture of double spiral steel tube |
| DE69625525T2 (en) * | 1995-03-08 | 2003-09-04 | Protol A.G., Glarus | METHOD AND DEVICE FOR PRODUCING FOLDED SCREW SEAM TUBES |
| DE19924251A1 (en) * | 1999-05-27 | 2000-11-30 | Joachim Brandenburger | Lining tube with non-woven layer laminated on foil tube |
| CN1392004A (en) * | 2001-06-20 | 2003-01-22 | 锺清旗 | Forming device for hollow tube |
| CN2608178Y (en) * | 2002-12-24 | 2004-03-31 | 邵泉 | Cage form pipe mould of spiral overlocking pipe shaping machine |
| AU2013201460B2 (en) * | 2007-12-24 | 2014-06-12 | Nova-Duct Technologies Pty Ltd | Method and apparatus for production of an insulating tube and a method for producing a flexible duct |
| TR201009124A1 (en) * | 2010-11-04 | 2012-02-21 | Köse Hi̇kmet | Fully laminated flexible ventilation duct |
| GB201105067D0 (en) * | 2011-03-25 | 2011-05-11 | Wellstream Int Ltd | Flexible pipe body and method of producing same |
| CN204113326U (en) * | 2014-08-20 | 2015-01-21 | 江苏苏龙环保科技有限公司 | Flexible screw shape ventilating duct |
| CN207170543U (en) * | 2017-08-17 | 2018-04-03 | 广西贞泽管业有限公司 | A kind of thin-wall metal spiral pipe making machine group |
-
2019
- 2019-06-27 CN CN201910566888.8A patent/CN110253912B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205974942U (en) * | 2016-07-11 | 2017-02-22 | 江苏鼎顺医疗用品有限公司 | Rid cuff machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110253912A (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109513855A (en) | A kind of anchor pole reinforcing bar automatic cutoff device | |
| CN111677205A (en) | Construction process of modified asphalt waterproof coiled material | |
| CN1006538B (en) | Flat-folding and discharging device for plastic flexible tube film web produced by blowing process | |
| CN108178017A (en) | A kind of bobbin winder device of electric wire | |
| CN110253912B (en) | Spiral air duct forming machine | |
| CN108035016A (en) | A kind of cotton material dispersing device of carding machine | |
| CN108655300A (en) | A kind of automatic torsion twist drills machine | |
| CN109501220B (en) | Draw membrane production facility to one side | |
| CN2585375Y (en) | Twisting type cable making machine with separated motor for driving and caterpillar for drawing | |
| CN208613609U (en) | A kind of building construction angle bender | |
| CN105058853B (en) | The feeding device of the Bag Making Machine that swing arm coordinates with guide rail | |
| CN206327986U (en) | A kind of telpher | |
| CN214652707U (en) | Device capable of realizing automatic winding of flexible wire harness pipe | |
| CN110835025B (en) | Cloth folding and unfolding machine for clothing | |
| CN104924667B (en) | The feeding device of Bag Making Machine | |
| CN205474558U (en) | Rope made of hemp closes rope machine | |
| CN213409872U (en) | A supplementary setting device for copper wire processing | |
| CN106614879A (en) | Rotation-type automatic jam-extruding device | |
| CN107640654A (en) | A kind of control wire collection apparatus for being easy to lifting | |
| CN105082614B (en) | Swing arm feeding device | |
| CN104554719B (en) | Rotor driving method and device | |
| CN110014659A (en) | Ultrasonic pipe coiling machine | |
| CN108861733A (en) | A kind of double roller winding cloth inspecting machine | |
| CN117000810B (en) | High-precision copper pipe rolling continuous winding device and application method thereof | |
| CN219787088U (en) | Inner ring welding frame of tower barrel of wind generating set tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |