CN216965883U

CN216965883U - Shaft straightening structure

Info

Publication number: CN216965883U
Application number: CN202220029044.7U
Authority: CN
Inventors: 贝国生
Original assignee: Ningbo Wansheng Intelligent Technology Co ltd
Current assignee: Ningbo Wansheng Intelligent Technology Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-07-15
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to a shaft straightening structure, which comprises: a frame; the straightening roller group comprises two straightening rollers which can be rotatably arranged on the rack, the rotating directions of the two straightening rollers are opposite, and a first gap is formed between the two straightening rollers; the straightening device is characterized by further comprising a first limiting roller set, wherein the first limiting roller set is arranged on the rack and behind the straightening roller set, the first limiting roller set comprises two first limiting rollers which are distributed at intervals along the vertical direction and are provided with second gaps, and each first limiting roller is arranged along the horizontal direction; the spacing roller set of second is located in the frame, and be located the rear of first spacing roller set, the spacing roller set of second includes two spacing rollers of second along horizontal interval distribution and has the third clearance, second clearance and first clearance supply the axle to wear to establish forward from the back in proper order, and the vertical setting of each spacing roller of second edge to enable the alignment roller be difficult to warp, and can improve the pulling speed of axle.

Description

Shaft straightening structure

Technical Field

The utility model relates to the technical field of shaft processing, in particular to a shaft straightening structure.

Background

The metal shaft is usually coiled into a disc shape before use, so that the space is saved, and the metal shaft is convenient to transport and store. When the metal shaft straightening device needs to be used, a shaft straightening mechanism is needed to straighten the metal shaft firstly, and then the straightened shaft is cut into a short shaft with a certain length.

Through inspection, the Chinese utility model patent with the patent number ZL201520315643.5 (the publication number is CN204735671U) discloses a welding wire straightening clamp which is characterized by comprising a base, a roller and a rotating shaft; the base is a flat plate and plays a supporting role, a plurality of holes are distributed on the base and are arranged in two rows, the upper row is a vertical waist-shaped through hole, and the lower row is a round through hole; the number of the rollers is the same as that of the holes distributed on the base, the outer circular surface of each roller is provided with a groove, the center of each roller is provided with a through hole, and the grooves are used for limiting the welding wires from moving; the rotating shaft and the rollers are the same in quantity, one end of the rotating shaft is a polished rod and is in clearance fit with the through hole in the center of the roller, the roller can rotate freely, the other end of the rotating shaft is a screw rod, the nominal diameter of the screw rod is the same as that of the polished rod, and the screw rod is fixed in the kidney-shaped through hole and the round through hole of the base through nuts.

Above-mentioned welding wire alignment anchor clamps are carried out the alignment and are pull through two sets of running roller counter shafts that the interval set up from top to bottom, however, crooked axle can apply reverse effort to the running roller when being aligned, and not only easy running roller warp to influence the alignment effect and the life of running roller, still can reduce the traction speed of running roller counter shaft, thereby improve production efficiency, moreover, the crooked degree of axle is big more, and the axle is more obvious to roll wheelset's adverse effect.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide a shaft straightening structure that can prevent a straightening roller from being deformed and can increase the traction speed of a shaft, in view of the above technical situation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a shaft alignment structure, comprising:

a frame;

the straightening roller group comprises two straightening rollers which can be rotatably arranged on the rack, the rotating directions of the two straightening rollers are opposite, and a first gap is formed between the two straightening rollers;

it is characterized by also comprising

The first limiting roller group is arranged on the rack and behind the straightening roller group, comprises two first limiting rollers which are vertically distributed at intervals and has a second gap, and each first limiting roller is transversely arranged;

the second limiting roller set is arranged on the rack and located behind the first limiting roller set, the second limiting roller set comprises two second limiting rollers distributed at intervals and a third gap, the second gap and the first gap are used for enabling the shaft to penetrate through from back to front in sequence, and each second limiting roller is arranged vertically.

In order to adjust the size of the first gap conveniently, the straightening roller group comprises a base roller and a press roller which are arranged along the transverse direction, and the press roller is located above the base roller and can move up and down relative to the base roller. The size of the first clearance of diameter adjustment according to the axle of design like this makes this axle alignment structure can straighten the axle of different diameters to improve the commonality of axle alignment structure.

In order to facilitate the vertical movement of the compression roller, a hollow mounting frame is arranged in the frame, two ends of a rotating shaft of the base roller are respectively rotatably connected to two sides of the mounting frame, sliding grooves are respectively formed in two sides of the mounting frame, a sliding block is slidably connected to each sliding groove, and two ends of the rotating shaft of the compression roller are respectively rotatably connected to the sliding blocks on the corresponding sides.

In order to facilitate the positioning and the adjustment of the position of the compression roller, an adjusting screw rod capable of sliding up and down is arranged at the top of the mounting frame in a penetrating mode, a turntable is arranged at the upper end of the adjusting screw rod, a pressing plate is arranged at the lower end of the adjusting screw rod, the two ends of the pressing plate respectively abut against the upper surfaces of the sliding blocks on the corresponding sides, and an elastic piece is arranged inside the mounting frame and enables the pressing plate to always have the trend of moving upwards.

In order to make the elastic part simpler, the elastic part is a tension spring arranged between the top wall of the mounting frame and the pressing plate.

In order to facilitate the driving of the straightening roller group to rotate, a driving device for driving the base roller and the pressing roller to rotate is further arranged on one side of the mounting frame.

In order to avoid the deformation of the shaft during the straightening, a corrugated first extrusion area is formed on the peripheral wall of the base roller, a corrugated second extrusion area is formed on the peripheral wall of the press roller, and the second extrusion area corresponds to the first extrusion area.

In order to facilitate cleaning of dust on the surface of the shaft so as to prevent the dust from increasing sliding between the shaft and the straightening roller set and further affecting the straightening effect, a box body is further arranged on the rack and positioned behind the second limiting roller set, a sponge block is accommodated in the box body, a shaft channel extending front and back is arranged on the sponge block, and notches communicated with the shaft channel are formed in the front wall and the back wall of the box body; the top of the box body is provided with an opening, and the sponge block can be placed in the box body or taken out of the box body through the opening.

Compared with the prior art, the utility model has the advantages that: vertical through first spacing roller set counter shaft is spacing, and transversely carry on spacingly through the spacing roller set counter shaft of second, thereby adjust the crooked degree of axle before the alignment, avoid the axle too crooked, thereby can reduce the axle and proofread the reaction force that the roller was applyed when the alignment roller set alignment, make the alignment roller be difficult to warp, thereby ensure the alignment effect of alignment roller set, the life of extension alignment roller, moreover, alignment roller set draws the less axle speed of crooked degree faster, can accelerate the machining efficiency of axle alignment.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a perspective view of the case and the sponge block in the embodiment of the present invention;

FIG. 3 is a perspective view of the embodiment of the present invention with the frame, case and sponge block removed.

Detailed Description

The utility model is described in further detail below with reference to the following examples of the drawings.

As shown in FIGS. 1 to 3, the preferred embodiment of the present invention is shown.

The shaft straightening structure in the embodiment comprises a rack 1, wherein the rack 1 is sequentially provided with a second limiting roller group 4, a first limiting roller group 3 and a straightening roller group 2 from back to front (see fig. 1). Wherein, this spacing roller set 4 of second includes two along horizontal interval distribution's spacing roller 41 of second and has the third clearance 40 that supplies axle 6 to wear to establish, and each spacing roller 41 of second is along vertical setting to the horizontal of axle 6 is spacing. This first spacing roller set 3 includes two first spacing rollers 31 along vertical interval distribution and has the second clearance 30 that supplies axle 6 to wear to establish, and each first spacing roller 31 along horizontal setting to the vertical of counter shaft 6 is spacing. The straightening roller group 2 comprises a rotatable base roller 21 and a press roller 22, and taking the right view direction shown in fig. 1 as an example, the press roller 22 can rotate clockwise around the own axis, and the base roller 21 can rotate anticlockwise around the own axis, so that the tangential direction on the base roller 21 at the position close to the press roller 22 is forward, and the tangential direction on the press roller 22 at the position close to the base roller 21 is forward. The base roller 21 and the press roller 22 are both arranged in the transverse direction, and the press roller 22 is positioned above the base roller 21, and a first gap 20 (see fig. 3) for the shaft 6 to pass through is arranged between the base roller 21 and the press roller 22. The shaft 6 extends forward from the rear of the chassis 1 and passes through the third gap 40, the second gap 30 and the first gap 20 in that order to achieve alignment of the shaft 6 (see figure 1). The peripheral wall of the base roll 21 is formed with corrugated first pressing areas 211, the peripheral wall of the press roll 22 is formed with corrugated second pressing areas 221, and the second pressing areas 221 correspond to the first pressing areas 211 (see fig. 1), thereby preventing the shaft 6 from being deformed when the leveling roll group 2 levels the shaft.

As shown in fig. 3, the frame 1 is provided with a hollow mounting frame 5, and both ends of the rotation shaft of the base roller 21 are rotatably connected to both sides of the mounting frame 5. The two sides of the mounting frame 5 are respectively provided with a sliding groove 51, each sliding groove 51 is connected with a sliding block 52 in a sliding manner, and two ends of the rotating shaft of the press roller 22 are respectively connected to the sliding blocks 52 on the corresponding sides in a rotating manner, so that the press roller 22 can move up and down relative to the base roller 21, the size of the first gap 20 can be adjusted according to the diameter of the shaft 6, the shaft 6 with different diameters can be straightened by the shaft straightening structure, and the universality of the shaft straightening structure is improved. Adjusting screw 7 capable of sliding up and down is arranged at the top of the mounting frame 5 in a penetrating mode, a rotary disc 71 is arranged at the upper end of the adjusting screw 7, a pressing plate 72 is arranged at the lower end of the adjusting screw 7, two ends of the pressing plate 72 abut against the upper surface of the sliding block 52 on the corresponding side respectively, a tension spring 8 is further arranged between the top wall of the mounting frame 5 and the pressing plate 72, and the tension spring 8 enables the pressing plate 72 to have the trend of moving upwards all the time. The mounting frame 5 is further provided at one side thereof with a driving device 53 for driving the base roller 21 and the press roller 22 to rotate.

As shown in fig. 1 and 2, a box 91 behind the second limit roller set 4 is further arranged on the frame 1, a sponge block 92 is accommodated in the box 91, a shaft passage 920 extending forwards and backwards is arranged on the sponge block 92, and a notch 911 communicated with the shaft passage 920 is formed in the front wall and the rear wall of the box 91, so that dust on the surface of the shaft 6 can be conveniently cleaned, and the existence of the dust is prevented from increasing the sliding between the shaft 6 and the straightening roller set 2, and further the straightening effect is influenced. The top of this box body 91 has uncovered 910, and the sponge piece 92 can be placed in the box body 91 or taken out from the box body 91 through this uncovered 910 to be convenient for change the sponge piece 92, in order to guarantee the clean effect to axle 6.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. A shaft alignment structure, comprising:

a frame (1);

the straightening roller group (2) comprises two straightening rollers which are rotatably arranged on the rack (1), the rotating directions of the two straightening rollers are opposite, and a first gap (20) is formed between the two straightening rollers;

it is characterized in that the device also comprises

The first limiting roller group (3) is arranged on the rack (1) and behind the straightening roller group (2), the first limiting roller group (3) comprises two first limiting rollers (31) which are distributed at intervals along the vertical direction and is provided with a second gap (30), and each first limiting roller (31) is arranged along the horizontal direction;

the second limiting roller set (4) is arranged on the rack (1) and located behind the first limiting roller set (3), the second limiting roller set (4) comprises two second limiting rollers (41) distributed along the transverse interval and a third gap (40), the second gap (30) and the first gap (20) are used for the shaft (6) to sequentially penetrate from back to front, and each second limiting roller (41) is arranged vertically.

2. The shaft alignment structure of claim 1, wherein: the straightening roller group (2) comprises a base roller (21) and a press roller (22) which are arranged along the transverse direction, and the press roller (22) is positioned above the base roller (21) and can move up and down relative to the base roller (21).

3. The shaft alignment structure of claim 2, wherein: be equipped with its inside hollow installing frame (5) on frame (1), the pivot both ends of base roll (21) rotate respectively connect in the both sides of installing frame (5), just the both sides of installing frame (5) still respectively are equipped with a spout (51), and sliding connection has a slider (52) in each spout (51), the pivot both ends of compression roller (22) rotate respectively to be connected on slider (52) of corresponding side.

4. The shaft alignment structure as claimed in claim 3, wherein: adjusting screw (7) that can slide from top to bottom are worn to be equipped with at the top of installing frame (5), and the upper end of this adjusting screw (7) is equipped with carousel (71), the lower extreme of adjusting screw (7) is equipped with clamp plate (72), and the both ends of this clamp plate (72) respectively with the upper surface counterbalance of slider (52) of corresponding side, and the inside of installing frame (5) still is equipped with the elastic component, this elastic component makes clamp plate (72) have the trend of rebound all the time.

5. The shaft alignment structure as claimed in claim 4, wherein: the elastic piece is a tension spring (8) arranged between the top wall of the mounting frame (5) and the pressing plate (72).

6. The shaft alignment structure as claimed in claim 3, wherein: and a driving device (53) for driving the base roller (21) and the pressing roller (22) to rotate is further arranged on one side of the mounting frame (5).

7. The shaft alignment structure as claimed in claim 3, wherein: a corrugated first extrusion area (211) is formed on the peripheral wall of the base roller (21), a corrugated second extrusion area (221) is formed on the peripheral wall of the press roller (22), and the second extrusion area (221) corresponds to the first extrusion area (211).

8. The shaft alignment structure as claimed in any one of claims 1 to 7, wherein: the frame (1) is also provided with a box body (91) positioned behind the second limiting roller set (4), a sponge block (92) is accommodated in the box body (91), a shaft channel (920) extending forwards and backwards is arranged on the sponge block (92), and notches (911) communicated with the shaft channel (920) are formed in the front wall and the rear wall of the box body (91); the top of the box body (91) is provided with an opening (910), and the sponge block (92) can be placed in the box body (91) or taken out of the box body (91) through the opening (910).