CN210498112U

CN210498112U - Straightening device for steel bar straightening machine

Info

Publication number: CN210498112U
Application number: CN201921525572.6U
Authority: CN
Inventors: 蔡永波
Original assignee: Zhejiang Sanjie Construction Industrialization Co Ltd
Current assignee: Zhejiang Sanjie Construction Industrialization Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-12
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a straightening device for a reinforcing steel bar straightening machine, which comprises a straightening channel, wherein a first roller set is arranged in the straightening channel, the first roller set comprises two first straightening rollers which are parallel to each other and are arranged at intervals, and the two first straightening rollers are arranged in the straightening channel in a sliding manner; the straightening channel is provided with an adjusting mechanism, and the adjusting mechanism comprises a fixing piece fixedly arranged on the straightening channel and a first long circular hole formed in the fixing piece; a positioning piece is arranged in the first long circular hole and comprises a fixed rack fixedly arranged on the first long circular hole, a positioning gear rotatably arranged on the first straightening roller and meshed with the fixed rack, and a positioning rack arranged on the first straightening roller in a sliding manner and meshed with the positioning gear; the first straightening roller is circumferentially and axially fixed in the straightening channel. The staff only needs to change whether the positioning rack is meshed with the positioning gear, so that the sliding and fixing of the first straightening rollers can be changed, and the staff can adjust the distance between the two first straightening rollers conveniently.

Description

Straightening device for steel bar straightening machine

Technical Field

The utility model belongs to the technical field of the technique of reinforcing bar straightening apparatus and specifically relates to a coalignment for reinforcing bar straightening apparatus is related to.

Background

At present, in the mechanical forging industry, the demand for steel bars is increasing, and the process requirements are also increasing. The disc steel bars have a huge effect in mechanical forging construction, and one of the most commonly used materials is that the steel bars are usually processed into discs in order to facilitate the carrying and placement of the steel bars, and before actual application, the disc-type steel bars are straightened and can be normally used.

The existing Chinese patent with the publication number of CN208866302U discloses a steel bar straightening device, which comprises a base, wherein a support is arranged on the base, a fixing plate is fixedly arranged on the support, and a feeding channel is welded at one end of the fixing plate. The fixed plate is provided with a through hole, one side of the fixed plate, which is far away from the feeding channel, is provided with a straightening channel, and one end of the straightening channel, which is close to the fixed plate, is provided with a straightening assembly. The straightening assembly comprises a first straightening roller group and a second straightening roller group, the first straightening roller group comprises two identical first straightening rollers, and the second straightening roller group comprises two identical second straightening rollers. The two first straightening rollers are arranged in the straightening channel at intervals and are parallel to each other; the two second straightening rollers are arranged in the straightening channel at intervals and are parallel to each other; the first straightening rollers and the second straightening rollers are arranged perpendicular to each other, so that a channel for the steel bar to pass through is formed between the first straightening roller group and the second straightening roller group.

The first straightening roller group is connected with the straightening channel through a first adjusting component. A backing plate is welded on the straightening channel, and a second long round hole is formed in the backing plate. The first adjusting assembly comprises a first long round hole, a gasket and an adjusting bolt, the gasket is connected to the base plate through a fixing bolt in a threaded mode, the base plate opposite to the second long round hole is provided with the first long round hole, and a step facing the first long round hole is arranged in the first long round hole. The head of the adjusting bolt is abutted against the step, and the bolt part is arranged in the first long circular hole and the second long circular hole in a sliding mode. One end of the adjusting bolt far away from the head is in threaded connection with the shaft of the first straightening roller.

When the distance between the two first straightening rollers needs to be adjusted, a worker fixes the first straightening rollers, then screws the adjusting bolts to enable the adjusting bolts to be separated from the gaskets, and then pulls the adjusting bolts to enable the adjusting bolts to slide in the first long round holes, so that the distance between the two first straightening rollers is adjusted; after the position of the first straightening roller is adjusted, the first straightening roller is fixed, then the adjusting bolt is screwed, so that the adjusting bolt is abutted against the gasket, and after the first straightening roller is observed not to slide, the adjusting bolt is stopped being screwed, and at the moment, the distance between the first straightening rollers is adjusted.

However, when adjusting the distance between the two first straightening rollers, the worker needs to use tools such as a wrench to screw the adjusting bolt, so that it is inconvenient to adjust the distance between the two first straightening rollers.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art exists, the utility model aims at providing a coalignment that is used for reinforcing bar straightening apparatus then, through setting up the setting element, the staff only need the sliding location rack, whether change location rack and positioning gear meshing, can change first straightening roller and slide and fix, make things convenient for the staff to mediate the distance between two first straightening rollers.

The above object of the present invention is achieved by the following technical solutions:

a straightening device for a steel bar straightening machine comprises a straightening channel, wherein a first roller set is arranged in the straightening channel, the first roller set comprises two first straightening rollers which are parallel to each other and arranged at intervals, and the two first straightening rollers are arranged in the straightening channel in a sliding mode; the straightening channel is provided with an adjusting mechanism for adjusting the distance between the two straightening rollers, and the adjusting mechanism comprises a fixing sheet fixedly arranged on the straightening channel and a first long circular hole formed in the fixing sheet;

a positioning piece is arranged in the first long circular hole and comprises a fixed rack fixedly arranged on the inner wall of the first long circular hole, a positioning gear rotationally arranged on the first straightening roller and meshed with the fixed rack, and a positioning rack arranged on the first straightening roller in a sliding manner along the axial direction of the first straightening roller and meshed with the positioning gear; the first straightening roller is circumferentially and axially fixed in the straightening channel; the length direction of the fixed rack is consistent with the length direction of the first long circular hole.

Through adopting above-mentioned technical scheme, during operation, when the distance between two first straightening rollers needs to be adjusted, the staff slides the location rack along the axial of first straightening roller earlier for location rack and positioning gear throw off, then removes first straightening roller, and first straightening roller slides along the length direction of first slotted hole, thereby changes the position of first straightening roller, realizes adjustable to the distance between two first straightening rollers. After the distance between the two first straightening rollers is adjusted, the worker slides the positioning rack to enable the positioning rack to be meshed with the positioning gear, the positioning gear is meshed with the positioning rack and the fixing rack at the same time, the positioning gear cannot rotate, and finally the first straightening rollers are fixed in the first long round holes. Through setting up the setting element, the staff only need slide the location rack, change location rack and location gear meshing whether, can change the first roller of flare-outing and slide and fix, make things convenient for the staff to mediate the distance between two first rollers of flare-outing.

The utility model discloses further set up to: a step is arranged in the first long circular hole, and the end face, close to the first straightening roller, of the positioning gear faces the step; one side of the positioning rack with teeth is meshed with the positioning gear, and the other side of the positioning rack with teeth is abutted against the inner wall of the first long circular hole; the positioning rack is in contact with the step.

Through adopting above-mentioned technical scheme, the location gear slides on the step at the pivoted in-process to can produce the supporting role to the location rack through setting up the step, thereby make things convenient for location rack and location gear intermeshing.

The utility model discloses further set up to: an accommodating groove is formed in the end part, connected with the positioning gear, of the first straightening roller along the axial direction, a blocking plate is fixedly arranged at the opening of the accommodating groove, and a driving rod penetrates through the blocking plate in a sliding manner; the end part of the driving rod, which is positioned in the accommodating groove, is fixedly provided with a baffle plate, and a return spring is sleeved on the driving rod; one end of the return spring is abutted against the abutting plate, and the other end of the return spring is abutted against the side wall of the blocking plate close to the abutting plate; the driving rod is connected with the positioning rack.

Through adopting above-mentioned technical scheme, when needs make location rack and positioning gear throw off, the staff overcomes reset spring's elasticity orientation back to the direction tractive actuating lever of baffle, drive the direction that first slotted hole was kept away from to the location rack and slide, thereby make location rack and positioning gear break away from, then orientation and the axial vertical direction pulling actuating lever of actuating lever, thereby can drive first straightening roller and slide in first slotted hole, the in-process that first straightening roller slided in first slotted hole, the rotation takes place for the positioning gear. When first roller of flare-outing of needs is fixed on the step, the staff release actuating lever, reset spring towards the direction drive that is back to the barrier plate to the groove body direction motion of drive actuating lever orientation holding tank, thereby drive location rack and location gear engagement, thereby can fix the location gear on the step. Through setting up reset spring, resisting baffle and barrier plate to make the actuating lever have automatic re-setting's function, thereby can make the location rack use in the meshing of location gear under the condition that does not receive external force, prevent that location rack and location gear from breaking away from.

The utility model discloses further set up to: the driving rod is rotatably connected with the blocking plate, and an air spring is arranged between the driving rod and the positioning rack; one end of the air spring is fixedly connected with the driving rod, and the other end of the air spring is fixedly connected with the positioning rack.

Through adopting above-mentioned technical scheme, after the location rack breaks away from, the staff rotates the actuating lever for the actuating lever rotation, thereby make the length direction of air spring unanimous with the length direction of first slotted hole, then the staff passes through the air spring, thereby can carry out tractive or promotion to the actuating lever, make things convenient for the staff to operate the actuating lever.

The utility model discloses further set up to: the end fixing of first straightening roller is provided with the stopper, the cross-section of stopper is the rectangle, the relative both sides wall of stopper respectively with two inner wall butts that first slotted hole is relative, the stopper with first slotted hole slides and links to each other.

Through adopting above-mentioned technical scheme, because the cross-section of stopper is the rectangle to two lateral walls that the stopper is relative respectively with two lateral walls butt that first slotted hole is relative, thereby restrict first roller circumference of flare-outing and fix in first slotted hole, spacing stable, simple structure.

The utility model discloses further set up to: the supporting pipe is rotatably sleeved on the peripheral side wall of the first straightening roller.

Through adopting above-mentioned technical scheme, rotate on the first roller of flare-outing and set up the stay tube to it is more convenient when making towards the reinforcing bar of pegging graft between two first rollers of flare-outing, make the reinforcing bar frictional force when between two first rollers of flare-outing littleer, reduced the wearing and tearing of reinforcing bar, can make first roller of flare-outing obtain the protection simultaneously.

The utility model discloses further set up to: and a rubber layer is arranged on the supporting tube.

Through adopting above-mentioned technical scheme, through set up the rubber layer on the stay tube to reduce the wearing and tearing of reinforcing bar self when making reinforcing bar and rubber layer contact.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the positioning piece, a worker can change the sliding and fixing of the first straightening rollers only by sliding the positioning rack and changing whether the positioning rack is meshed with the positioning gear, so that the worker can conveniently adjust the distance between the two first straightening rollers;

2. by arranging the reset spring, the resisting plate and the blocking plate, the driving rod has an automatic reset function, so that the positioning rack can be meshed with the positioning gear under the condition of not being subjected to external force, and the positioning rack is prevented from being separated from the positioning gear;

3. the supporting pipes are rotatably arranged on the first straightening rollers, so that the steel bars can be more conveniently inserted between the two first straightening rollers, the friction force of the steel bars is smaller when the steel bars pass between the two first straightening rollers, the abrasion of the steel bars is reduced, and the first straightening rollers can be protected;

4. the rubber layer is arranged on the supporting pipe, so that the abrasion of the steel bar is reduced when the steel bar is in contact with the rubber layer.

Drawings

Fig. 1 is a schematic structural view of a straightening device for a steel bar straightening machine according to the present invention;

FIG. 2 is an enlarged schematic view of portion W of FIG. 1, illustrating the structure of the adjustment mechanism;

fig. 3 is a schematic sectional view of the driving rod in fig. 2, showing the structure of the damper plate.

Reference numerals: 1. straightening the channel; 2. a first roller set; 3. a second roller set; 5. an adjustment mechanism; 51. a fixing sheet; 52. a first oblong hole; 6. a base plate; 7. a second oblong hole; 8. a step; 9. a positioning member; 91. fixing a rack; 92. positioning a gear; 93. positioning the rack; 10. a kidney-shaped hole; 11. a limiting block; 12. accommodating grooves; 13. a blocking plate; 14. a drive rod; 15. a baffle plate; 16. a return spring; 17. a gas spring; 18. supporting a tube; 19. a rubber layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, the utility model discloses a coalignment for reinforcing bar straightening apparatus, including straightening passageway 1, be provided with first roller set 2 and second roller set 3 on the straightening passageway 1. The first roller group 2 comprises two identical first straightening rollers which are arranged in the straightening channel 1 in a mutually spaced and parallel manner. The second roller group 3 comprises two identical second straightening rollers which are arranged in the straightening channel 1 at intervals and in parallel, and the second straightening rollers are perpendicular to the first straightening rollers, so that a straightening channel for the reinforcing steel bars to pass through is formed between the first roller group 2 and the second roller group 3.

Referring to fig. 2 and 3, an adjusting mechanism 5 is arranged at the joint of the first roller set 2 and the straightening channel 1, and the adjusting mechanism 5 comprises a fixing plate 51 and a first long round hole 52. A backing plate 6 is welded on the straightening channel 1, a second long circular hole 7 is formed in the backing plate 6, and the length direction of the second long circular hole 7 is perpendicular to the length direction of the straightening channel 1. The fixing plate is welded on the backing plate 6, the first long round hole 52 is formed in the fixing plate, and the projection of the first long round hole 52 falls on the second long round hole 7; a step 8 is integrally arranged on the inner wall of the first long circular hole 52 towards the inside of the first long circular hole 52, and a waist-shaped hole 10 is formed in the step 8 along the length direction of the first long circular hole 52. The end portion of the first straightening roller is integrally provided with a limiting block 11, the cross section of the limiting block 11 is rectangular, and two outer side walls opposite to the limiting block 11 are abutted to two inner walls opposite to the kidney-shaped hole 10, so that the first straightening roller cannot rotate. The connection part of the second roller group 3 and the straightening channel 1 is also provided with an adjusting mechanism 5, and the connection relation and the structure of the adjusting mechanism 5, the second roller group 3 and the straightening channel 1 are the same.

Referring to fig. 2, a positioning member 9 is disposed on the stop block 11, and the positioning member 9 includes a fixed rack 91, a positioning gear 92, and a positioning rack 93. The axis of the positioning gear 92 is rotatably connected to the stopper 11 through a bearing, and the end face of the positioning gear 92 contacts the step 8. The fixed rack 91 is fixedly provided on the step 8, and the length direction of the fixed rack 91 coincides with the length direction of the first oblong hole 52. The side wall of the fixed rack 91 having no teeth is fixedly connected to the inside of the first elongated hole 52, the side of the fixed rack 91 having teeth faces the positioning gear 92, and the fixed rack 91 is engaged with the positioning gear 92. The positioning rack 93 is positioned on one side of the positioning gear 92 away from the fixed rack 91; the positioning rack 93 is inserted into a space between the positioning gear 92 and the inner wall of the first oblong hole 52, and the positioning rack 93 is meshed with the positioning gear 92.

Referring to fig. 2 and 3, an accommodating groove 12 is formed in the first straightening roller along the axial direction of the first straightening roller, and an opening of the accommodating groove 12 penetrates through the limiting block 11 to be communicated with the outside. The accommodating groove 12 extends into the limiting block 11, a blocking plate 13 is fixedly arranged at an opening of the accommodating groove 12 located on the limiting block 11, a driving rod 14 is arranged on the blocking plate 13, the driving rod 14 penetrates through the blocking plate 13, and one end of the driving rod 14 is located in the accommodating groove 12. The driving rod 14 slides and is connected with the blocking plate 13 in a rotating mode, the end portion, located in the accommodating groove 12, of the driving rod 14 is fixedly provided with a blocking plate 15, and the blocking plate 15 slides and is arranged in the accommodating groove 12. A return spring 16 is sleeved on the driving rod 14, and the return spring 16 is positioned in the accommodating groove 12; one end of the return spring 16 abuts against the stop plate 15, the other end abuts against the stop plate 13, and the return spring 16 is always in a compressed state. The end of the drive rod 14 remote from the damper plate 15 is located outside the receiving groove 12 and is provided with a gas spring 17, which gas spring 17 is a free-type gas spring 17 in this embodiment. One end of the gas spring 17 is fixedly connected with the end part of the driving rod 14 far away from the baffle plate 15, and the other end is fixedly connected with the positioning rack 93; the axis of gas spring 17 is perpendicular to the axis of drive rod 14. The positioning parts 9 are arranged on the two first straightening rollers, and the two positioning gears 92 on the two first straightening rollers can share the same fixed rack 91.

The second straightening roll is also provided with the same positioning piece 9, and the connection mode and the position relation are the same as those of the first straightening roll and the positioning piece 9, and the description is omitted here. The supporting pipe 18 is sleeved on the peripheral side wall of the first straightening roller, the supporting pipe 18 is connected with the first straightening roller in a circumferential rotating mode, and the supporting pipe 18 is fixedly connected with the first straightening roller in the axial direction. The peripheral side wall of the support tube 18 is fixedly wrapped with a rubber layer 19.

The implementation principle is as follows:

when the distance between the two first straightening rollers needs to be adjusted, the worker overcomes the elastic force of the return spring 16, pulls the gas spring 17 in the direction back to the baffle 15, drives the driving rod 14 to slide in the direction towards the gas spring 17, and drives the baffle 15 to slide in the direction towards the gas spring 17, so that the return spring 16 is continuously compressed. At the same time, the gas spring 17 drives the positioning rack 93 to move in a direction away from the step 8. When the positioning rack 93 is disengaged from the positioning gear 92, the worker rotates the gas spring 17 around the driving rod 14, so that the axial direction of the gas spring 17 is consistent with the length direction of the first oblong hole 52, and then pulls the gas spring 17, so as to drive the limiting block 11 to slide along the length direction of the first oblong hole 52, and further drive the first straightening roller to slide along the first oblong hole 52. During the slipping of the first straightening roll, the positioning gear 92 is rotated.

After the position adjustment of the first straightening roller is completed, the air spring 17 is rotated to enable the axial direction of the air spring 17 to be perpendicular to the first long circular hole 52, then the positioning rack 93 is aligned to the space between the inner side wall of the positioning gear 92 and the inner side wall of the first long circular hole 52, then the air spring 17 is released, the reset spring 16 drives the baffle plate 15 to move towards the direction back to the air spring 17 at the moment, so that the driving rod 14 is driven to slide towards the baffle plate 15, the air spring 17 is driven to move towards the direction of the baffle plate 15, and finally the positioning rack 93 is driven to be inserted into the space between the inner side wall of the positioning gear 92 and the inner side wall of the first long circular hole 52, and the positioning rack 93 is.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A straightening device for a steel bar straightening machine comprises a straightening channel (1), wherein a first roller set (2) is arranged in the straightening channel (1), the first roller set (2) comprises two first straightening rollers which are parallel to each other and arranged at intervals, and the two first straightening rollers are arranged in the straightening channel (1) in a sliding manner; be equipped with on straightening passageway (1) and be used for adjusting two adjustment mechanism (5) of distance between the straightening roller, its characterized in that: the adjusting mechanism (5) comprises a fixing piece (51) fixedly arranged on the straightening channel (1) and a first long round hole (52) formed in the fixing piece (51);

a positioning piece (9) is arranged in the first long circular hole (52), the positioning piece (9) comprises a fixed rack (91) fixedly arranged on the inner wall of the first long circular hole (52), a positioning gear (92) rotatably arranged on the first straightening roller and meshed with the fixed rack (91), and a positioning rack (93) arranged on the first straightening roller in a sliding manner along the axial direction of the first straightening roller, and the positioning rack (93) is meshed with the positioning gear (92); the first straightening roller is circumferentially and axially fixed in the straightening channel (1); the length direction of the fixed rack (91) is consistent with the length direction of the first long round hole (52).

2. A straightening device for a bar straightening machine according to claim 1, wherein: a step (8) is arranged in the first long circular hole (52), and the end face, close to the first straightening roller, of the positioning gear (92) faces the step (8); one side of the positioning rack (93) with teeth is meshed with the positioning gear (92), and the other side of the positioning rack is abutted against the inner wall of the first long round hole (52); the positioning rack (93) is in contact with the step (8).

3. A straightening device for a bar straightening machine according to claim 2, wherein: an accommodating groove (12) is formed in the end part, connected with the positioning gear (92), of the first straightening roller along the axial direction, a blocking plate (13) is fixedly arranged at the opening of the accommodating groove (12), and a driving rod (14) penetrates through the blocking plate (13) in a sliding manner; the end part of the driving rod (14) positioned in the accommodating groove (12) is fixedly provided with a baffle plate (15), and a return spring (16) is sleeved on the driving rod (14); one end of the return spring (16) is tightly abutted against the abutting plate (15), and the other end of the return spring is tightly abutted against the side wall, close to the abutting plate (15), of the blocking plate (13); the driving rod (14) is connected with the positioning rack (93).

4. A straightening device for a bar straightening apparatus according to claim 3, wherein: the driving rod (14) is rotatably connected with the blocking plate (13), and a gas spring (17) is arranged between the driving rod (14) and the positioning rack (93); one end of the gas spring (17) is fixedly connected with the driving rod (14), and the other end of the gas spring is fixedly connected with the positioning rack (93).

5. A straightening device for a bar straightening machine according to claim 1, wherein: the end fixing of first straightening roller is provided with stopper (11), the cross-section of stopper (11) is the rectangle, stopper (11) relative both sides wall respectively with two inner wall butts that first slotted hole (52) is relative, stopper (11) with first slotted hole (52) slide and link to each other.

6. A straightening device for a bar straightening machine according to claim 1, wherein: a supporting pipe (18) is rotatably sleeved on the peripheral side wall of the first straightening roller.

7. A straightening device for a bar straightening machine according to claim 6, characterized in that: a rubber layer (19) is arranged on the supporting tube (18).