CN114798941B - Traction device and processing equipment - Google Patents

Traction device and processing equipment Download PDF

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Publication number
CN114798941B
CN114798941B CN202210321579.6A CN202210321579A CN114798941B CN 114798941 B CN114798941 B CN 114798941B CN 202210321579 A CN202210321579 A CN 202210321579A CN 114798941 B CN114798941 B CN 114798941B
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CN
China
Prior art keywords
pipe
curved surface
diameter
traction device
rotating
Prior art date
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Active
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CN202210321579.6A
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Chinese (zh)
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CN114798941A (en
Inventor
郭海杰
刘亮
曹洪涛
代雨成
高云峰
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Han s Laser Technology Industry Group Co Ltd
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Han s Laser Technology Industry Group Co Ltd
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Filing date
Publication date
Application filed by Han s Laser Technology Industry Group Co Ltd filed Critical Han s Laser Technology Industry Group Co Ltd
Priority to CN202210321579.6A priority Critical patent/CN114798941B/en
Publication of CN114798941A publication Critical patent/CN114798941A/en
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Publication of CN114798941B publication Critical patent/CN114798941B/en
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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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F23/00—Feeding wire in wire-working machines or apparatus

Abstract

The application is applicable to the technical field of traction, and provides a traction device and processing equipment, wherein the traction device comprises: a first rotating member provided with a first positioning curved surface; the second rotating part is provided with a second positioning curved surface and is arranged in parallel with the first rotating part, so that the rotating shaft of the first rotating part is parallel to the rotating shaft of the second rotating part; a clamping space is formed between the first rotating part and the second rotating part, and the first positioning curved surface and the second positioning curved surface are wall surfaces in the height direction of the clamping space; the width of the clamping space is larger than the height. The traction device provided by the embodiment of the application can prevent scratches on the surface of the pipe or the wire.

Description

Traction device and processing equipment
Technical Field
The application belongs to the technical field of traction, and particularly relates to a traction device and processing equipment.
Background
When the medical equipment micro-pipe for cardiovascular and cerebrovascular interventional therapy is processed and manufactured, micro holes are processed around the surface of the thin-wall hollow pipeline as channels for injecting medicines into human bodies from outside. During processing, the pipe needs to be drawn and fed. When the existing traction device is used for traction of the pipe, scratches are easily generated on the surface of the pipe.
Disclosure of Invention
The embodiment of the application provides a traction device and processing equipment, which can prevent scratches on the surface of a pipe or a wire.
In a first aspect, embodiments of the present application provide a traction device comprising:
a first rotating member provided with a first positioning curved surface;
the second rotating part is provided with a second positioning curved surface and is arranged in parallel with the first rotating part, so that the rotating shaft of the first rotating part is parallel to the rotating shaft of the second rotating part;
a clamping space is formed between the first rotating part and the second rotating part, and the first positioning curved surface and the second positioning curved surface are wall surfaces in the height direction of the clamping space;
the width of the clamping space is larger than the height.
In some possible embodiments of the first aspect, the clamping space is provided with receiving slits on both sides.
In some possible embodiments of the first aspect, the distance D of the receiving gap gap The method meets the following conditions: d is more than or equal to 4h gap ≤0.5D；
h is the wall thickness of the pipe; d is the diameter of the pipe.
In some possible implementations of the first aspect, the first rotating member is further provided with a first transition surface connected to the first positioning curved surface and to a wall surface of the receiving slot;
the second rotating part is further provided with a second transition surface, and the second transition surface is connected with the second positioning curved surface and the wall surface of the accommodating gap.
In some possible implementations of the first aspect, the first transition surface is a curved surface and the second transition surface is a curved surface; the radius of the first transition surface is equal to the radius of the second transition surface, and the radius is r.
In some possible implementations of the first aspect, the radius r satisfies: r is more than 2h and less than 0.25D;
h is the wall thickness of the pipe; d is the diameter of the pipe.
In some possible implementations of the first aspect, the first positioning curved surface has a cross section of a first circular arc, and the second positioning curved surface has a cross section of a second circular arc.
In some possible implementations of the first aspect, the diameter of the first circular arc is equal to the diameter of the second circular arc, and is the diameter d s ；
Diameter d s The method meets the following conditions: 0.2h < D-D s ＜h，d s /D＜δ；
h is the wall thickness of the pipe; d is the diameter of the pipe; delta is the ultimate elastic deformation of the tubing.
In some possible embodiments of the first aspect, the diameter of the first rotating member is equal to the diameter of the second rotating member, which is diameter D r ；
Diameter D r The method meets the following conditions: d (D) r ≥R p ；
R p Is the minimum bend radius of the tubing.
In some possible embodiments of the first aspect, the number of first rotating members and the number of second rotating members are plural, all of the first rotating members and all of the second rotating members being for jointly pulling the same pipe or wire.
In a second aspect, embodiments of the present application provide a processing apparatus comprising a traction device as described in any one of the preceding claims.
Compared with the prior art, the embodiment of the application has the beneficial effects that:
the contact between the first positioning curved surface and the surface of the pipe or the wire rod is surface contact, the contact between the second positioning curved surface and the surface of the pipe or the wire rod is also surface contact, the width of the clamping space is larger than the height, so that the pipe or the wire rod with the round cross section is elastically deformed, the first positioning curved surface and the second positioning curved surface in the height direction of the clamping space apply pressure to the pipe or the wire rod, the first rotating part and the second rotating part rotate, the pressure applied by the clamping space to the pipe or the wire rod is converted into traction force to the pipe or the wire rod, the first positioning curved surface and the second positioning curved surface position the pipe or the wire rod, the pipe or the wire rod is pulled along the fixed direction, and scratches on the surface of the pipe or the wire rod can be prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view showing a traction device according to an embodiment of the present application;
FIG. 2 is a front view of a traction device according to an embodiment of the present application;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a view showing a bent state of a pipe or wire according to an embodiment of the present application;
FIG. 5 is a cross-sectional deformation view of a pipe passing through a traction device according to an embodiment of the present application;
fig. 6 is a perspective view illustrating a use state of a traction device according to another embodiment of the present application.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the present application is further described in detail below with reference to fig. 1 to 6 and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.
It should be understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Embodiments of the present application provide a traction device that can be used to pull a pipe or wire; the traction device provided by the embodiment of the application is particularly suitable for traction of small-diameter pipes or small-diameter wires, such as pipes or wires with diameters ranging from 1mm to 5 mm. The pipe can be a nonmetallic pipe or a metallic pipe. The aforementioned wires may be nonmetallic wires and metallic wires.
Fig. 1 is a perspective view of a traction device according to an embodiment of the present application. Fig. 2 is a front view of a traction device according to an embodiment of the present application. Referring to fig. 1 and 2, the traction apparatus provided by the embodiment of the present application includes a first rotating member 1 and a second rotating member 2.
The first rotating member 1 may be a roller or a drum.
Fig. 3 is an enlarged view of area a in fig. 2. Referring to fig. 3, the first rotating member 1 is provided with a first positioning curved surface 11. The first positioning curved surface 11 is used for abutting against the surface of the pipe or wire 3 to position the pipe or wire 3.
The second rotating member 2 may be a roller or drum.
Referring to fig. 3, the second rotating member 2 is provided with a second positioning curved surface 21. The second positioning curved surface 21 is used for abutting against the surface of the pipe or wire 3 to position the pipe or wire 3.
It should be understood that the first locating curved surface 11 and the second locating curved surface 21 locate the pipe or wire at different locations.
The first rotating member 1 may be a driving rotating member and the second rotating member 2 may be a driven rotating member. Of course, the first rotating member 1 may also be a driven rotating member, and the second rotating member 2 may be a driving rotating member.
Referring to fig. 3, a positioning space 110 is formed between the first positioning curved surface 11 and the second positioning curved surface 21. The positioning space 110 is used for positioning the workpiece.
Referring to fig. 2, the second rotating member 2 is disposed in parallel with the first rotating member 1 such that the rotation axis A1 of the first rotating member 1 is parallel with the rotation axis A2 of the second rotating member 2.
Referring to fig. 2 and 3, a clamping space 100 exists between the first rotating member 1 and the second rotating member 2, and the first positioning curved surface 11 and the second positioning curved surface 21 are wall surfaces of the clamping space 100.
Referring to fig. 2 and 3, the clamping space 100 includes the aforementioned positioning space 110. The clamping space 100 is used for positioning and clamping the pipe or wire 3.
Referring to fig. 2 and 3, the clamping space 100 has a width greater than a height. The first positioning curved surface 11 and the second positioning curved surface 21 are two wall surfaces in the height direction H of the holding space 100, and the height between the first positioning curved surface 11 and the second positioning curved surface 21 is the height of the holding space 100.
In actual operation, the first rotating member 1 or the second rotating member 2 may be moved by the moving mechanism such that the distance between the first rotating member 1 and the second rotating member 2 becomes large so that the pipe or wire 3 can pass between the first rotating member 1 and the second rotating member 2; then, the first rotating part 1 or the second rotating part 2 is moved by the moving mechanism, so that the distance between the first rotating part 1 and the second rotating part 2 is reduced, and the pipe or the wire 3 is positioned in the clamping space 100; wherein the surface of the tube or wire 3 is in contact with the wall surface of the clamping space 100.
As is apparent from the above, the contact between the first positioning curved surface 11 and the surface of the pipe or wire 3 is the surface contact, the contact between the second positioning curved surface 21 and the surface of the pipe or wire 3 is also the surface contact, the width of the clamping space 100 is larger than the height, so that the pipe or wire 3 having a circular cross section is elastically deformed, the first positioning curved surface 11 and the second positioning curved surface 21 in the height direction of the clamping space 100 apply pressure to the pipe or wire 3, the first rotating member 1 and the second rotating member 2 rotate, the pressure applied to the pipe or wire 3 by the clamping space 100 is converted into the traction force to the pipe or wire 3, the first positioning curved surface 11 and the second positioning curved surface 21 position the pipe or wire 3, the pipe or wire 3 is pulled in the fixed direction, scratches on the surface of the pipe or wire 3 can be prevented, the seamless traction can be realized to the pipe or wire 3, and the surface finish of the pipe or wire 3 can be maintained.
In some embodiments, the surface roughness of the wall surface of the clamping space 100 is higher than the surface roughness of the pipe or wire, so that the wall surface of the clamping space 100 can be prevented from scratching the surface of the pipe or wire to some extent.
Referring to fig. 3, in some embodiments, both sides of the clamping space 100 are provided with receiving slits 120.
The receiving slit 120 extends in the width direction W of the clamping space 100 such that the width of the clamping space 100 is greater than the height.
The receiving slit 120 is used to receive a deformed portion of a pipe or wire.
The first positioning curved surface 11 and the second positioning curved surface 21 of the clamping space 100 in the height direction H apply pressure to the pipe or wire 3, the pipe or wire 3 is compressed in the height direction H and expands in the width direction W (i.e., both sides are pressed and deformed); the deformed portion of the tube or wire 3, which is pressed at both sides, moves to the receiving slit 120.
Referring to fig. 3, the receiving slit 120 has a distance D gap 。
It should be appreciated that distance D gap To accommodate the distance between the two walls of the slit 120 in the height direction H.
Distance D for pipe gap The method meets the following conditions: d is more than or equal to 4h gap ≤0.5D。
h is the wall thickness of the pipe, and D is the outer diameter of the pipe.
If the aforementioned distance D gap Too large, there may be more parts or even the whole of the tubing moving to the receiving gap 120 when compressed, failing to pull the tubingOr cause damage to the tubing; distance D gap And the traction force is stable because the traction force is smaller than or equal to 0.5D (namely half of the outer diameter of the pipe) and is an ideal value. When the pipe having a wall thickness h is fully compressed, the height is 2h or more, but there is actually a curved fillet, so the distance D gap Will be greater than or equal to 4 hours.
Referring to fig. 3, in some embodiments, the first rotating member 1 is further provided with a first transition surface 12, the first transition surface 12 being connected to the first positioning curved surface 11.
The first transition surface 12 is further connected to the wall surface of the accommodating slit 120, so as to connect the first positioning curved surface 12 with the wall surface of the accommodating slit 120, and prevent the corner of the first positioning curved surface 12 and the accommodating slit 120 from damaging the pipe or the wire.
The second rotating member 2 is further provided with a second transition surface 22, and the second transition surface 22 is connected to the second positioning curved surface 21.
The second transition surface 22 is further connected to the wall surface of the accommodating gap 120, so as to connect the second positioning curved surface 21 with the wall surface of the accommodating gap 120, and prevent the corner of the second positioning curved surface 21 and the accommodating gap 120 from damaging the pipe or the wire.
Referring to fig. 3, in some embodiments, the first transition surface 12 is curved and the second transition surface 22 is curved.
The radius of the first transition surface 12 is equal to the radius of the second transition surface 22, which is the radius r.
The first transition surface 12 and the second transition surface 22 are curved surfaces and can be relatively fully attached to the surface of a pipe or wire with a circular cross section.
In some embodiments, for a pipe, the radius r satisfies: 2h < r < 0.25D.
h is the wall thickness of the pipe, and D is the outer diameter of the pipe.
If the radius r is too large, the first positioning curved surface 12 and the second positioning curved surface 21 are smaller, so that the contact surfaces of the first positioning curved surface 12 and the second positioning curved surface 21 with the pipe are smaller, and the pipe is easy to damage in the traction process. If the radius r is too small, the first transition surface 12 and the second transition surface 22 are smaller, and the greater the resistance encountered when the pipe expands to both sides in the width direction W, the greater the pressure exerted by the first transition surface 12 and the second transition surface 22 on the pipe will be, thereby destroying the pipe.
2h < r < 0.25D, the first transition surface 12 and the second transition surface 22 can be ensured to be larger, so that the resistance encountered when the pipe expands towards two sides along the width direction W is smaller; the contact surfaces of the first positioning curved surface 12 and the second positioning curved surface 21 with the pipe can be ensured to be larger, and the pipe is protected in the traction process.
Referring to fig. 3, in some embodiments, the cross section of the first positioning curved surface 11 is a first circular arc, and the cross section of the second positioning curved surface 21 is a second circular arc, so that the first positioning curved surface 11 and the second positioning curved surface 21 can be more fully contacted with the surface of the pipe or wire with a circular cross section, can better cover the pipe or wire in the process of drawing the pipe or wire, and can better prevent the surface of the pipe or wire from being damaged.
Referring to FIG. 3, in some embodiments, the diameter of the first arc is equal to the diameter of the second arc, which is the diameter d s 。
Diameter d s The method meets the following conditions: 0.2h < D-D s ＜h，d s /D＜δ。
h is the wall thickness of the pipe, D is the outer diameter of the pipe or wire, and delta is the limit elastic deformation of the pipe or wire.
D-d s Representing the amount of deformation of the tubing when pressure is applied to the tubing by the first locating curved surface 11 and the second locating curved surface 21.
If the deformation D-D s Too small, the pressure applied to the pipe by the first positioning curved surface 11 and the second positioning curved surface 21 is smaller, so that the traction force is smaller, and the pipe may not be pulled; if the deformation D-D s Too large, the first and second locating curved surfaces 11 and 21 exert a relatively large pressure on the pipe, which may damage the pipe. Thus, the deformation D-D s It is necessary to control in a reasonable range. 0.2h < D-D s And less than h, the pipe can be pulled and prevented from being damaged.
To ensure that the first locating curved surface 11 and the second locating curved surface 21 can apply pressure to the pipe or wire, the firstThe diameter of one arc and the diameter of the second arc (i.e. diameter d s ) Smaller than the outer diameter D of the tube or wire is required.
When the pipe or wire is extruded by the first positioning curved surface 11 and the second positioning curved surface 21, the diameter of the first circular arc and the diameter of the second circular arc determine the deformation amount of the pipe or wire when extruded. d, d s The D is less than delta, so that the deformation of the pipe or the wire rod when being extruded is not more than the elastic limit of the pipe or the wire rod, the deformation of the pipe or the wire rod can be changed into elastic deformation, and the pipe or the wire rod can be prevented from generating plastic deformation (namely, deformation which can not be recovered by self) and even breaking.
In some embodiments, the diameter of the first rotating member 1 is equal to the diameter of the second rotating member 2, diameter D r 。
For pipes or wires, diameter D r The method meets the following conditions: d (D) r ≥R p 。
Fig. 4 shows a bent state of a pipe or wire according to an embodiment of the present application. Referring to FIG. 4, R p Is the minimum bend radius of the pipe or wire.
The diameters of the first and second rotating members 1 and 2 are greater than or equal to the minimum bending radius of the pipe or wire, which can prevent the pipe or wire from being bent at a radius smaller than the minimum bending radius during drawing of the pipe or wire, thereby preventing damage to the pipe or wire.
FIG. 5 is a cross-sectional deformation view of a pipe passing through a traction device according to an embodiment of the present application. Under the constraint of the traction device provided by the embodiment of the application, the section of the pipe is deformed as shown in fig. 5 when the pipe passes through the clamping space 100, and after the pipe passes through the clamping space 100, the section of the pipe can be restored to be round under the action of self elasticity.
Fig. 6 is a perspective view illustrating a use state of a traction device according to another embodiment of the present application. Referring to fig. 6, in some embodiments, the number of the first and second rotating members 1 and 2 is plural, and the plural first and second rotating members 1 and 2 pull the same pipe or wire together.
The rotation axes A1 of the first rotation members 1 are perpendicular to each other, and the rotation axes A2 of the second rotation members 2 are also perpendicular to each other, so that the first rotation members 1 and the second rotation members 2 are arranged in series and cross each other in the traveling direction S of the pipe or wire, and thus a larger traction force can be generated on the pipe or wire 3. Wherein, the total traction force of the traction device provided by the embodiment of the application to the pipe or wire 3 gradually increases along with the number of the first rotating part 1 and the second rotating part 2.
According to the above, the traction device provided by the embodiment of the application has a simple structure, can continuously carry out traction and feeding on the pipe or wire rod, can realize automatic feeding, can provide larger and stable traction force for the pipe or wire rod with higher surface finish, can prevent the pipe or wire rod from being scratched and damaged in the traction process, can maintain the surface finish of the pipe or wire rod, can prevent obvious touch deformation of the pipe diameter, and is particularly suitable for the pipe with thin wall, soft material, low surface hardness, easy deformation after external force and difficult recovery.
The embodiment of the application also provides processing equipment, which comprises the traction device provided by any embodiment. The aforementioned processing device may be a laser marking device or a laser welding device.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. A traction device, comprising:
a first rotating member provided with a first positioning curved surface;
the second rotating part is provided with a second positioning curved surface and is arranged in parallel with the first rotating part, so that the rotating shaft of the first rotating part is parallel to the rotating shaft of the second rotating part;
a clamping space is formed between the first rotating part and the second rotating part, and the first positioning curved surface and the second positioning curved surface are wall surfaces in the height direction of the clamping space;
the width of the clamping space is larger than the height;
and two sides of the clamping space are provided with accommodating gaps for accommodating deformed parts of the two sides of the pipe or the wire rod, which are extruded.
2. The traction device as claimed in claim 1, characterized in that the distance D of the receiving gap gap The method meets the following conditions: d is more than or equal to 4h gap ≤0.5D；
h is the wall thickness of the pipe; d is the outer diameter of the pipe.
3. The traction device of claim 1 wherein the first rotating member is further provided with a first transition surface, the first transition surface being connected to the first curved positioning surface and to the wall surface of the receiving slot;
the second rotating part is further provided with a second transition surface, and the second transition surface is connected with the second positioning curved surface and the wall surface of the accommodating gap.
4. The traction device of claim 3 wherein said first transition surface is a curved surface and said second transition surface is a curved surface; the radius of the first transition surface is equal to the radius of the second transition surface, and the radius is r.
5. The traction device of claim 4, wherein the radius r satisfies: r is more than 2h and less than 0.25D;
h is the wall thickness of the pipe; d is the outer diameter of the pipe.
6. The traction device of claim 1, wherein the first locating curve has a first circular arc in cross-section and the second locating curve has a second circular arc in cross-section.
7. The traction device of claim 6, wherein a diameter of the first arc is equal to a diameter of the second arc,is of diameter d s ；
Diameter d s The method meets the following conditions: 0.2h < D-D s ＜h，d s /D＜δ；
h is the wall thickness of the pipe; d is the outer diameter of the pipe; delta is the ultimate elastic deformation of the tubing.
8. The traction device of claim 1, wherein the diameter of the first rotating member is equal to the diameter of the second rotating member, diameter D r ；
Diameter D r The method meets the following conditions: d (D) r ≥R p ；
R p Is the minimum bend radius of the tubing.
9. The pulling apparatus of claim 1, 3, 4 or 6, wherein the number of first rotating members and the number of second rotating members are plural, all of the first rotating members and all of the second rotating members being configured to collectively pull the same tubular or wire.
10. A processing plant, characterized in that it comprises a traction device according to any one of claims 1 to 9.
CN202210321579.6A 2022-03-30 2022-03-30 Traction device and processing equipment Active CN114798941B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210321579.6A CN114798941B (en) 2022-03-30 2022-03-30 Traction device and processing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210321579.6A CN114798941B (en) 2022-03-30 2022-03-30 Traction device and processing equipment

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CN114798941B true CN114798941B (en) 2023-10-03

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205519392U (en) * 2016-04-16 2016-08-31 台州均锹机械有限公司 Coiling machine and send line mechanism thereof
CN107716659A (en) * 2017-11-07 2018-02-23 太原科技大学 A kind of double assisted thin-wall pipe deep camber centreless bending dies and its manufacturing process
CN109500318A (en) * 2019-01-07 2019-03-22 青岛美磁新能源电子有限公司 A kind of line sending structure and its application
EP3892396A1 (en) * 2020-04-08 2021-10-13 Sacma Limbiate S.p.A. Wire drawing equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205519392U (en) * 2016-04-16 2016-08-31 台州均锹机械有限公司 Coiling machine and send line mechanism thereof
CN107716659A (en) * 2017-11-07 2018-02-23 太原科技大学 A kind of double assisted thin-wall pipe deep camber centreless bending dies and its manufacturing process
CN109500318A (en) * 2019-01-07 2019-03-22 青岛美磁新能源电子有限公司 A kind of line sending structure and its application
EP3892396A1 (en) * 2020-04-08 2021-10-13 Sacma Limbiate S.p.A. Wire drawing equipment

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