TWI680814B - Straightening apparatus - Google Patents

Abstract

A straightening apparatus including: a plurality of rolling members, the plurality of rolling members enclosing a first passage, the first passage being adapted for passing a tube, the tube being abutable to the plurality of rolling members when passing through the first passage; at least three shells, each of the at least three shells including two arm portions, each of the two arm portions of each of the at least three shells facing to one of the two arm portions of another shell, the plurality of rolling members disposed rotatably between any two shells, one end of at least one the arm portions of at least one the shells having a convex wall, the convex wall extending along the axis extension direction of at least one the rolling members and overlapping with at least one the rolling members in a radial direction.

Description

Straightening device

The invention relates to a straightening device.

Common metal materials such as metal rods, wires, pipelines, etc. are commonly used in pipelines such as cold air transportation of cold/heat media, fluids, etc., and are often wound into coils for convenient transportation and storage to facilitate stacking and reduce overall size Store it and cut it to the proper size when using it. Since winding and storing will cause the bending deformation of the metal bars, wires, and pipelines, the metal bars, wires, and pipelines must be straightened through the straightening mechanism.

Therefore, it is necessary to provide a novel and progressive straightening device to solve the above problems.

The main purpose of the present invention is to provide a straightening device, which is convenient for disassembly and assembly, and can be stably held and supported by the hand to achieve a smooth straightening function.

In order to achieve the above object, the present invention provides a straightening device, including: a plurality of rollers, the plurality of rollers collectively forming a first channel, the first channel is for a tube to pass through, the tube can resist when the tube is in the first channel By the plurality of rollers, an extension direction of the first channel is transverse to at least one rotation of the roller Shaft extension direction; at least three shells, each of which includes two arms that are laterally connected to each other, each of the arms of each shell and one of the arms of the other shell are opposite to each other The roller is rotatably disposed between any two of the housings, each of the rollers can rotate relative to each of the arms, and at least one of the housings has a convex wall on one end side of the arm, and the convex wall faces At least one of the rollers extends in the direction of extension of the rotating shaft and at least partially overlaps with at least one of the rollers in a radial direction; wherein, at least one of the housings is provided with a groove on the opposite outer side of the first channel, the groove is formed Between the two arm portions, two of the two opposite arm portions are connected to each other by a connecting member, one of the roller members is penetrated by the connecting member, and the connecting member is exposed to the groove.

1‧‧‧Rolling

11,12‧‧‧Rolling group

13‧‧‧Arc concave surface

14‧‧‧bearing

15‧‧‧ring

16‧‧‧Connector

17‧‧‧The first rolling piece

18‧‧‧Second Rolling Parts

2‧‧‧Housing

21‧‧‧Convex wall

211‧‧‧Outer wall

22‧‧‧arm

23‧‧‧Inner face

24‧‧‧Concave arc

25‧‧‧Convex

26‧‧‧recess

27‧‧‧ gap

28‧‧‧Convex surface

30‧‧‧groove

3‧‧‧Pipe fittings

4‧‧‧ First channel

FIG. 1 is a perspective view of a first preferred embodiment of the present invention.

2 is an exploded view of a first preferred embodiment of the invention.

3 is a cross-sectional view of a first preferred embodiment of the invention.

4 is a cross-sectional view taken along line A-A of FIG. 1.

FIG. 5 is a schematic view of a first preferred embodiment of the invention.

The following merely illustrates the possible implementation forms of the present invention with examples, but it is not intended to limit the scope of the invention to be protected, and will be described first.

Please refer to FIGS. 1 to 5, which show a first preferred embodiment of the present invention. The straightening device of the present invention includes a plurality of rollers 1 and at least three housings 2.

The plurality of rollers 1 form a first channel 4 in total, and the first channel 4 is for a tube 3 to pass through. The tube 3 can abut the plurality of rollers 1 and the first channel 4 when in the first channel 4 An extension direction is transverse to at least one extension direction of a rotating shaft of the rolling element 1; each of the housings 2 includes two arms 22 connected to each other transversely, each of the arm portions 22 of each of the housings 2 and the other of the housings 2 One of the arm portions 22 is disposed opposite to each other, a plurality of the rollers 1 are rotatably disposed between any two of the arm portions 22, and at least one end portion of at least one arm portion 22 of at least one housing 2 is provided with a protrusion Wall 21, the convex wall 21 extends toward the direction of extension of the rotation axis of at least one of the rollers 1 and at least partially overlaps with at least one of the rollers 1 in a radial direction; wherein, at least one of the housing 2 is provided with a first The groove 30 on the opposite outer side of the channel 4 is formed between the two arm portions 22, and the two arm portions 22 are connected to each other through a connecting member 16 through which one of the connecting members 16 passes The rolling element 1 and the connecting element 16 are exposed in the groove 30; in order to facilitate stable holding and force application, the housings 2 are not susceptible to external force and relatively move to provide a smooth straightening function, and the hand is reliably pressed The convex wall 21 reduces the pressure of the opponent of the straightening device, improves the comfort of grip, and prevents dust and debris from easily entering and adhering to each of the rollers 1; in addition, the structure is simple and easy Disassembly and assembly and good bonding strength.

At least one of the convex walls 21 of the casing 2 is spaced apart from the other adjacent casing 2 so that the two adjacent casings 2 are less likely to interfere with each other and maintain structural stability.

The plurality of rollers 1 further includes a plurality of rollers groups, each of the rollers groups is disposed between any two of the arm portions 22 opposite to each other, at least two of the plurality of rollers groups such as roller group 11 and The rotating shafts of the rollers 1 of the roller group 12 extend laterally from each other. To further explain, the at least two rolling element groups 11 and 12 constitute the first channel 4 for pressing against the pipe element 3 from different directions. In this embodiment, the number of the plurality of roller groups 11 and 12 is four. When viewed from above, the four roller groups 11 and 12 are arranged in a cross shape. The angle formed between one of the radial extension directions of the two adjacent roller groups 11 and 12 may be a right angle or a non-right angle.

Each arm portion 22 is provided with the convex wall 21. The plurality of rollers 1 between the convex wall 21 and any two of the arm portions 22 at least partially overlap in the radial direction to facilitate holding and shielding dust, chipping, and the like. Furthermore, the extension dimensions of the convex walls 21 of any two adjacent housings 2 are the same, which is convenient for holding and supporting and is not easily deformed. In this embodiment, the convex walls 21 of the two adjacent arm portions 22 are not overlapped in the radial direction of at least one of the rollers 1 and may overlap each other in other embodiments.

Each of the housings 2 is L-shaped, each of the housings 2 is provided with two inner assembly surfaces 23 and an arc concave surface 24 connected between the two inner assembly surfaces 23, and each inner assembly surface 23 is provided with the plural rollers 1. Good structural strength and easy to hold. In addition, each of the rollers 1 is a roller, and the roller is provided with an axial direction, and the roller is provided with an arc concave abutment surface 13 that extends around the axial direction, and the arc concave abutment surface 13 allows the tube 3 to abut, the The curvature of the arc concave surface 13 is smaller than that of the arc concave surface 24, which improves the structural strength and can effectively resist the force of the hand and the pipe member 3, so as to achieve the effect of stable force application. In detail, the convex wall 21 is provided with a wavy outer wall surface 211, which is convenient for holding; in other embodiments, the outer wall surface may also be a curved surface or have an anti-slip structure; each of the rollers includes a bearing 14 and a The ring body 15 sleeved on the bearing 14 can provide smooth rotation.

Preferably, the plurality of rollers 1 disposed between the two arm portions 22 and disposed in the extending direction of the first channel 4 includes two first rollers 17 and a plurality of rollers 17 disposed on the two first rollers 17 The distance between the first roller 17 and the adjacent second roller 18 is greater than the distance between the adjacent two second rollers 18, so that the tube 3 can smoothly pass through Entering the first channel 4 at the same time has a better straightening effect.

Each housing 2 is provided with a convex portion 25 and at least one concave portion 26 protruding in a thickness direction, the convex portion 25 and the concave portion 26 are provided along the extending direction of the first channel 4, and the at least one concave portion 26 is provided in the shell At the end of the body 2, the plurality of rollers 1 are disposed on the convex portion 25, and a gap 27 is formed between at least one of the rollers 1 and the recess 26 to enhance the overall structural strength and have better support force, and The tube 3 is smoothly inserted into the first channel 4. Furthermore, the convex portion 25 is provided with an arc convex surface toward at least one opening direction of the first channel 4 28. The arc convex surface 28 extends around the extending direction of the rotation axis of one of the rollers 1. The arc convex surface 28 is located on one side of one of the rollers 1.

In use, the straightening device can be directly held by the hand, and the tube 3 is inserted into the first channel 4 from one end of the straightening device. When the tube 3 passes through the first channel 4, the The outer periphery will be forced against the plurality of rollers 1 and smoothly pass through the first channel 4 to achieve a straightening effect. In addition, the hand can be held against the convex wall 21 to reduce the holding pressure, and the convex wall 21 can prevent dust, chipping and other impurities from entering the straightening device.

1‧‧‧Rolling

21‧‧‧Convex wall

2‧‧‧Housing

30‧‧‧groove

16‧‧‧Connector

4‧‧‧ First channel

Claims (9)

A straightening device includes a plurality of rollers. The plurality of rollers constitute a first channel. The first channel is for passing a tube. The tube can abut the plurality of rollers when in the first channel. An extension direction of a channel is transverse to at least one extension direction of a rotating shaft of the roller; at least three shells, each of the shells includes two arms that are transversely connected to each other, each arm of each shell and the other One of the arm parts of the housing is opposite to each other, a plurality of the rollers are rotatably provided between any two of the arm parts, at least one of the housings is provided with a convex wall on one end side of the arm part, the The convex wall extends toward the extension direction of the rotation axis of at least one of the rollers and at least partially overlaps with at least one of the rollers in a radial direction; wherein, at least one of the housings is provided with a groove on the opposite outer side of the first channel, the A groove is formed between the two arm portions, and the two opposite arm portions are connected to each other by a connecting member, one of the roller members is penetrated by the connecting member, and the connecting member is exposed to the groove. The straightening device according to claim 1, wherein at least one of the convex walls of the casing is spaced apart from the other adjacent casing; the convex wall is provided with a wavy outer wall surface. The straightening device according to claim 1, wherein the plurality of rollers further includes a plurality of roller groups, each of the roller groups is disposed between any two of the arms, and at least two rollers of the plurality of roller groups The rotating shafts of the pieces extend transversely to each other. The straightening device according to claim 1, wherein each of the arm portions is provided with the convex wall, and the plurality of rollers between the convex wall and any two of the arm portions at least partially overlap in the radial direction. The straightening device according to claim 4, wherein the extension dimensions of the convex walls of any two adjacent housings are the same. The straightening device according to claim 1, wherein each of the casings is L-shaped, each of the casings is provided with two inner group surfaces and an arc concave surface connected between the two inner group surfaces, each of the inner group surfaces The plural rolling parts are provided. The straightening device according to claim 6, wherein each of the rollers is a roller, the roller is provided with an axial direction, the roller is provided with an arc concave contact surface extending around the axial direction, the arc concave contact surface is available for The tube is against. The straightening device according to claim 1, wherein the plurality of rollers disposed between the two arm portions and disposed in the extending direction of the first channel include two first rollers and the plurality of rollers are disposed on the two first For the second rollers between the rollers, the distance between each first roller and the adjacent second roller is greater than the distance between the adjacent two second rollers. The straightening device according to claim 7, wherein the plural rollers further include plural roller groups, each roller group is disposed between any two of the arms, and at least two rollers of the plural roller groups The rotating shafts of the parts extend transversely to each other; the end wall of each arm is provided with the convex wall, and the plural rollers between the convex wall and any two of the arms at least partially overlap in the radial direction; any two adjacent ones The extension dimensions of the convex wall of the casing are the same; the plurality of rollers disposed between the two arm portions and disposed in the direction of extension of the first channel include two first rollers and a plurality of rollers disposed on the two first rollers The distance between each of the first rollers and the adjacent second rollers is greater than the distance between the adjacent two of the second rollers; the protrusion is at least one toward the first channel An arc convex surface is provided in the opening direction, the arc convex surface extends around the extension direction of one of the rollers, the arc convex surface is located on one side of one of the rollers; the convex wall is provided with a wavy outer wall surface; The roller includes a bearing and a set of ring bodies disposed on the bearing, and the connecting member penetrates the bearing.

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