CN211218173U - Cold bending adjusting mechanism of cold bending machine - Google Patents

Abstract

The utility model relates to the technical field of auxiliary devices for processing section steel, in particular to a cold bending adjusting mechanism of a cold bending machine, which comprises a fixed plate, a bottom plate, a hanging plate, a hydraulic cylinder, a pressing plate, a control device, a backing plate and section steel; still include preceding backup pad, back backup pad, preceding connecting plate, back connecting plate, go-between, mounting panel, motor, pivot, stay cord, even board, slide, spring, left cardboard, right cardboard and conveyer, the utility model discloses a forming steel after conveniently placing and taking off is put to forming machine clod wash adjustment mechanism, improves work efficiency, reduces the manual work simultaneously and places forming steel and the wastrel that causes produces.

Description

Cold bending adjusting mechanism of cold bending machine

Technical Field

The utility model relates to a technical field of shaped steel processing auxiliary device especially relates to a forming mill clod wash adjustment mechanism.

Background

As is well known, a cold bending adjusting mechanism of a cold bending machine is a device for bending sections such as section steel by external force to obtain section steel with a certain bending radian, and is widely used in the field of section steel processing; the existing cold bending adjusting mechanism of the cold bending machine comprises a fixed plate, a bottom plate, a hanging plate, a hydraulic cylinder, a pressing plate, a control device, a base plate and profile steel, wherein the bottom surface of the fixed plate is connected with the left half area of the top surface of the bottom plate; when the hydraulic cylinder moves downwards to the set distance of the control device, the control device controls the hydraulic cylinder to move upwards and close the hydraulic cylinder, the section steel after being cold-bent is taken down, and a new section steel to be cold-bent is placed on the backing plate again to be subjected to cold-bending operation; the existing cold bending adjusting mechanism of the cold bending machine finds in use, workers are required to continuously take down the section steel after cold bending and place the section steel to be subjected to cold bending, the working efficiency is low, and when the workers place the section steel, the deviation occurs at the position of the section steel due to the possibility of manual error, and the section steel is reduced to the product quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a conveniently place and take off shaped steel after the shaping, improve work efficiency, reduce the manual work simultaneously and place shaped steel and the forming cold-bending machine cold-bending adjustment mechanism that the wastrel that causes produced.

The utility model discloses a cold bending adjusting mechanism of a cold bending machine, which comprises a fixed plate, a bottom plate, a hanging plate, a hydraulic cylinder, a pressing plate, a control device, a backing plate and profile steel, wherein the bottom surface of the fixed plate is connected with the left half area of the top surface of the bottom plate, the left side wall of the hanging plate is connected with the upper half area of the right side wall of the fixed plate, the hydraulic cylinder is arranged in the right half area of the bottom surface of the hanging plate, the bottom end of the hydraulic cylinder is connected with the central area of the top surface of the pressing plate, the control device is arranged in the front lower half area of the fixed plate, the hydraulic cylinder is electrically connected; the front and rear connecting plates are respectively connected with the front and rear sides of the front and rear side walls of the fixed plate right side wall, the upper half area of the fixed plate is transversely provided with a second rectangular hole, the front wall and the inner rear wall in the second rectangular hole are respectively provided with a first rectangular groove and a second rectangular groove, the inner left side wall and the inner right side wall in the first rectangular groove are respectively provided with two groups of first openings, the inner left side wall and the inner right side wall in the second rectangular groove are respectively provided with two groups of second openings, the rear of the front connecting plate and the front of the rear connecting plate are respectively connected with the front central area and the rear central area of the backing plate, the front of the front connecting plate and the rear of the rear connecting plate are respectively inserted into the first rectangular groove and the second rectangular groove, the right end of the connecting ring is connected with the central area of the left side wall of the base plate, the right side wall of the mounting plate is connected with the upper half area of the left side wall of the fixed plate, the motor is detachably mounted on the mounting plate and electrically connected with the control device, the right end of the rotating shaft is connected with the output end of the left end of the motor, one end of the pull rope is wound and fixed on the connecting ring, the other end of the pull rope is fixed and wound on the rotating shaft, the central area of the fixed plate is provided with a sliding cavity, the inner bottom wall of the second rectangular hole is provided with a rectangular opening, the rectangular opening is communicated with the sliding cavity, the bottom end of the connecting plate penetrates through the rectangular opening and is inserted into the sliding cavity, the top end and the bottom end of the connecting plate are respectively connected with the left half area of the bottom surface of the base plate and the top end of the sliding plate, left cardboard bottom and right cardboard bottom are connected with half regional on the left side of backing plate top surface and half regional on the right side respectively, and left cardboard right side wall and right cardboard left side wall contact with shaped steel left side wall and right side wall respectively, and half regional and the latter half regional contact with preceding backup pad top surface and back backup pad top surface respectively before the backing plate bottom surface, conveyer installs in half regional on the right side of bottom plate top surface, and the backing plate is located the conveyer top, and conveyer is connected with controlling means electricity.

The utility model discloses a forming mill clod wash adjustment mechanism still includes the fixed pulley, the fixed pulley is installed in the first region of fixed plate left side wall, and the stay cord is walked around the fixed pulley and is twined in the pivot.

The utility model discloses a forming mill clod wash adjustment mechanism still includes the limiting plate, and the pivot left end is connected with limiting plate right side wall central zone.

The utility model discloses a clod wash adjustment mechanism of cold-bending machine, roller and multiunit postdrum before still including multiunit front roller bearing, multiunit postroller bearing, multiunit, preceding backup pad and back backup pad top surface are provided with third rectangle recess and fourth rectangle recess respectively, roller bearing central zone and multiunit postdrum central zone are passed respectively to multiunit front roller bearing rear end and multiunit postroller bearing rear end before multiunit, and antetheca and interior postwall connection in multiunit front roller bearing front end and rear end respectively with third rectangle recess, antetheca and interior postwall connection in multiunit postroller bearing front end and the rear end respectively with fourth rectangle recess.

The utility model discloses a clod wash adjustment mechanism of clod wash machine, cylinder and multiunit rear drum are higher than preceding backup pad and back backup pad respectively before the multiunit.

The utility model discloses a clod wash adjustment mechanism of forming mill, roller bearing and multiunit back roller bearing are equidistant distribution respectively in third rectangle recess and fourth rectangle recess before the multiunit.

The utility model discloses a forming mill clod wash adjustment mechanism, the stay cord material is nylon.

The utility model discloses a forming mill clod wash adjustment mechanism, the length in first rectangular hole is less than the length of shaped steel, and the width in first rectangular hole is greater than the width of shaped steel.

Compared with the prior art, the beneficial effects of the utility model are that: the size of the section steel is larger than that of the first rectangular hole, hydraulic pressure is turned on through the control device, the hydraulic cylinder drives the pressing plate to move downwards and contact with the central area of the top surface of the section steel, the hydraulic cylinder applies downward acting force to the section steel through the pressing plate to enable the central area of the section steel to bend downwards and bend into the first rectangular hole, the distance of the hydraulic cylinder moving downwards is set and adjusted through the control device, the bending degree of the section steel is controlled, when the hydraulic cylinder moves downwards to the set distance of the control device, the control device controls the hydraulic cylinder to move upwards and close the hydraulic cylinder, at the moment, the section steel after cold bending just falls from the first rectangular hole and falls onto the conveying device, the conveying device is turned on through the control device, the conveying device drives the section steel after cold bending to move slowly to the right and convey to the next processing technology, at the moment, the, the rotating shaft enables the pull rope to be continuously wound on the rotating shaft, the pull rope pulls the base plate leftwards through the connecting ring, the base plate moves leftwards, the front support plate and the rear support plate slide leftwards in the first rectangular groove and the second rectangular groove respectively, meanwhile, the base plate drives the sliding plate to move leftwards through the connecting plate, the sliding plate continues to compress the spring leftwards, when the base plate moves to the position right below the third rectangular hole, the control device controls the motor not to rotate any more, the feeding system controls the feeding device to feed the section steel to be cold-formed from the third rectangular hole, the section steel is just inserted between the left clamping plate and the right clamping plate, then the motor is reversely opened through the control device, the motor drives the rotating shaft to rotate reversely, when the rotating shaft rotates reversely, the pull rope continuously loosens from the rotating shaft, because the spring is in a compression state, the spring is used for giving a rightward acting force to the sliding plate, close the motor through controlling means, the backing plate is located under the push pedal this moment, heavily opens the pneumatic cylinder again through controlling means and carries out the clod wash operation to shaped steel, so relapse can, conveniently place and take off the shaped steel after the shaping, improve work efficiency, reduce the manual work simultaneously and place shaped steel and the wastrel that causes produces.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial enlarged view of portion B of FIG. 1;

FIG. 4 is a left side view schematic of the backing plate, the front connecting plate, the rear connecting plate, the connecting ring, the connecting plate, the slide plate and the second rectangular hole;

FIG. 5 is a schematic top view of the backing plate, the section steel, the front support plate, the rear support plate, the front connecting plate, the rear connecting plate, the left clamping plate, the right clamping plate and the first rectangular hole;

in the drawings, the reference numbers: 1. a fixing plate; 2. a base plate; 3. hanging the plate; 4. a hydraulic cylinder; 5. a pressing plate; 6. a control device; 7. a base plate; 8. section steel; 9. a front support plate; 10. a rear support plate; 11. a front connecting plate; 12. a rear connecting plate; 13. a connecting ring; 14. mounting a plate; 15. a motor; 16. a rotating shaft; 17. pulling a rope; 18. connecting plates; 19. a slide plate; 20. a spring; 21. a left snap gauge; 22. a right snap-gauge; 23. a conveying device; 24. a fixed pulley; 25. a limiting plate; 26. a front roller; 27. a front drum; 28. a first rectangular hole; 29. a second rectangular hole; 30. a third rectangular aperture.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, the utility model discloses a cold bending adjusting mechanism of a cold bending machine, including fixed plate 1, bottom plate 2, link plate 3, pneumatic cylinder 4, pressing plate 5, controlling means 6, backing plate 7 and shaped steel 8, fixed plate 1 bottom surface is connected with bottom plate 2 top surface half regional left, link plate 3 left side wall is connected with fixed plate 1 right side wall upper half regional, pneumatic cylinder 4 is installed in link plate 3 bottom surface half regional right, the bottom of pneumatic cylinder 4 is connected with pressing plate 5 top surface central zone, controlling means 6 is installed in fixed plate 1 front half regional down, pneumatic cylinder 4 is connected with controlling means 6 electricity, backing plate 7 central zone vertically is provided with first rectangular hole 28, shaped steel 8 is placed in backing plate 7 top surface central zone; the device also comprises a front supporting plate 9, a rear supporting plate 10, a front connecting plate 11, a rear connecting plate 12, a connecting ring 13, a mounting plate 14, a motor 15, a rotating shaft 16, a pull rope 17, a connecting plate 18, a sliding plate 19, a spring 20, a left clamping plate 21, a right clamping plate 22 and a conveying device 23, wherein the left side wall of the front supporting plate 9 and the left side wall of the rear supporting plate 10 are respectively connected with the front side and the rear side of the upper half area of the right side wall of the fixed plate 1, the upper half area of the fixed plate 1 is transversely provided with a second rectangular hole 29, the inner front wall and the inner rear wall of the second rectangular hole 29 are respectively provided with a first rectangular groove and a second rectangular groove, the inner left side wall and the inner right side wall of the first rectangular groove are respectively provided with two groups of first openings, the inner left side wall and the inner right side wall of the second rectangular groove are respectively provided with two groups of second, the front of the front connecting plate 11 and the back of the back connecting plate 12 are respectively inserted into a first rectangular groove and a second rectangular groove, the right end of a connecting ring 13 is connected with the central area of the left side wall of the backing plate 7, the right side wall of a mounting plate 14 is connected with the upper half area of the left side wall of a fixing plate 1, a motor 15 is detachably mounted on the mounting plate 14, the motor 15 is electrically connected with a control device 6, the right end of a rotating shaft 16 is connected with the output end of the left end of the motor 15, one end of a pull rope 17 is wound and fixed on the connecting ring 13, the other end of the pull rope 17 is fixed and wound on the rotating shaft 16, the central area of the fixing plate 1 is provided with a sliding cavity, the bottom wall of a second rectangular hole 29 is provided with a rectangular opening, the rectangular opening is communicated with the sliding cavity, the bottom end of a connecting plate 18, the left end and the right end of a spring 20 are respectively connected with the left side wall in the sliding cavity and the left side wall of the sliding plate 19, the spring 20 is in a compressed state, a third rectangular hole 30 is formed in the top wall in a second rectangular hole 29, the bottom end of a left clamping plate 21 and the bottom end of a right clamping plate 22 are respectively connected with the left half area and the right half area of the top surface of the backing plate 7, the right side wall of the left clamping plate 21 and the left side wall of the right clamping plate 22 are respectively contacted with the left side wall and the right side wall of the section steel 8, the front half area and the rear half area of the bottom surface of the backing plate 7 are respectively contacted with the top surface of the front supporting plate 9 and the top surface of the rear supporting plate 10, a; the size of the section steel is larger than that of the first rectangular hole, hydraulic pressure is turned on through the control device, the hydraulic cylinder drives the pressing plate to move downwards and contact with the central area of the top surface of the section steel, the hydraulic cylinder applies downward acting force to the section steel through the pressing plate to enable the central area of the section steel to bend downwards and bend into the first rectangular hole, the distance of the hydraulic cylinder moving downwards is set and adjusted through the control device, the bending degree of the section steel is controlled, when the hydraulic cylinder moves downwards to the set distance of the control device, the control device controls the hydraulic cylinder to move upwards and close the hydraulic cylinder, at the moment, the section steel after cold bending just falls from the first rectangular hole and falls onto the conveying device, the conveying device is turned on through the control device, the conveying device drives the section steel after cold bending to move slowly to the right and convey to the next processing technology, at the moment, the, the rotating shaft enables the pull rope to be continuously wound on the rotating shaft, the pull rope pulls the base plate leftwards through the connecting ring, the base plate moves leftwards, the front support plate and the rear support plate slide leftwards in the first rectangular groove and the second rectangular groove respectively, meanwhile, the base plate drives the sliding plate to move leftwards through the connecting plate, the sliding plate continues to compress the spring leftwards, when the base plate moves to the position right below the third rectangular hole, the control device controls the motor not to rotate any more, the feeding system controls the feeding device to feed the section steel to be cold-formed from the third rectangular hole, the section steel is just inserted between the left clamping plate and the right clamping plate, then the motor is reversely opened through the control device, the motor drives the rotating shaft to rotate reversely, when the rotating shaft rotates reversely, the pull rope continuously loosens from the rotating shaft, because the spring is in a compression state, the spring is used for giving a rightward acting force to the sliding plate, close the motor through controlling means, the backing plate is located under the push pedal this moment, heavily opens the pneumatic cylinder again through controlling means and carries out the clod wash operation to shaped steel, so relapse can, conveniently place and take off the shaped steel after the shaping, improve work efficiency, reduce the manual work simultaneously and place shaped steel and the wastrel that causes produces.

The cold bending adjusting mechanism of the cold bending machine of the utility model also comprises a fixed pulley 24, the fixed pulley 24 is arranged in the upper half area of the left side wall of the fixed plate 1, and the stay cord 17 bypasses the fixed pulley 24 and is wound on the rotating shaft 16; the fixed pulley plays limiting displacement to the stay cord, reduces the stay cord and the upper left side edge friction of fixed plate, the life of extension stay cord.

The cold bending adjusting mechanism of the cold bending machine of the utility model also comprises a limiting plate 25, and the left end of the rotating shaft 16 is connected with the central area of the right side wall of the limiting plate 25; the limiting plate can reduce the sliding of the pull rope wound on the rotating shaft from the limiting plate, and the use stability is improved.

The utility model discloses a cold bending machine clod wash adjustment mechanism, still include multiunit front roller 26, multiunit rear roller, multiunit front roll 27 and multiunit rear roll, front support board 9 and rear support board 10 top surface are provided with third rectangle recess and fourth rectangle recess respectively, multiunit front roller 26 rear end and multiunit rear roller rear end pass multiunit front roll 27 central zone and multiunit rear roll central zone respectively, multiunit front roller 26 front end and rear end are connected with third rectangle recess inner front wall and inner rear wall respectively, multiunit rear roller front end and rear end are connected with fourth rectangle recess inner front wall and inner rear wall respectively; when the backing plate slided from side to side on backup pad in the front and back backup pad, the backing plate drove the rotation of cylinder and multiunit rear drum before the multiunit, and cylinder and multiunit rear drum are rotatory along the roller bearing before the multiunit and multiunit rear roller respectively before the rotatory multiunit, reduce the backing plate and preceding backup pad and the back friction between the backup pad.

The utility model discloses a clod wash adjustment mechanism of forming mill, cylinder 27 before the multiunit and multiunit rear roll are higher than preceding backup pad 9 and back backup pad 10 respectively.

The utility model discloses a clod wash adjustment mechanism of forming mill, roller bearing equidistant distribution is in third rectangle recess and fourth rectangle recess respectively behind multiunit front roller 26 and the multiunit.

The utility model discloses a forming adjustment mechanism of forming mill, stay cord 17 material are nylon.

The utility model discloses a forming mill clod wash adjustment mechanism, the length of first rectangular hole 28 is less than shaped steel 8's length, and the width of first rectangular hole 28 is greater than shaped steel 8's width.

The utility model discloses a cold bending adjusting mechanism of a cold bending machine, when the cold bending adjusting mechanism works, the size of the section steel is larger than the size of a first rectangular hole, hydraulic pressure is opened through a control device, a hydraulic cylinder drives a pressing plate to move downwards and contact with the central area of the top surface of the section steel, the hydraulic cylinder applies downward acting force to the section steel through the pressing plate, the central area of the section steel is bent downwards and is bent into the first rectangular hole, the distance of the hydraulic cylinder moving downwards is set and adjusted through the control device, thereby the bending degree of the section steel is controlled, when the hydraulic cylinder moves downwards to the set distance of the control device, the control device controls the hydraulic cylinder to move upwards and close the hydraulic cylinder, the section steel after cold bending just falls down from the first rectangular hole and falls onto a conveying device, the conveying device is opened through the control device, the conveying device drives the section steel after cold bending to move slowly to, at the moment, the motor is started through the control device, the motor drives the rotating shaft to rotate, the rotating shaft enables the pull rope to be continuously wound on the rotating shaft, the pull rope pulls the base plate leftwards through the connecting ring, the base plate moves leftwards, the front supporting plate and the rear supporting plate respectively slide leftwards in the first rectangular groove and the second rectangular groove, meanwhile, the base plate drives the sliding plate to move leftwards through the connecting plate, the sliding plate continues to compress the spring leftwards, when the base plate moves to the position right below the third rectangular hole, the control device controls the motor not to rotate any more, the feeding system controls the feeding device to feed the section steel to be cold-formed from the third rectangular hole, the section steel is just inserted between the left clamping plate and the right clamping plate, then the motor is reversely started through the control device, the motor drives the rotating shaft to reversely rotate, when the rotating shaft reversely rotates, the pull rope is, the sliding plate drives the base plate to slide rightwards through the connecting plate, when the right side wall of the sliding plate is in contact with the right side wall in the sliding cavity, the motor is turned off through the control device, the base plate is located under the pressing plate at the moment, the hydraulic cylinder is opened again through the control device to perform cold bending operation on the section steel, and the operation is repeated, so that the formed section steel is convenient to place and take down, the working efficiency is improved, and the generation of defective products caused by manual section steel placement is reduced; the fixed pulley has a limiting effect on the pull rope, so that the friction between the pull rope and the edge of the upper left side of the fixed plate is reduced, and the service life of the pull rope is prolonged; the limiting plate can reduce the sliding of the pull rope wound on the rotating shaft from the limiting plate, and the use stability is improved; when the backing plate slided from side to side on backup pad in the front and back backup pad, the backing plate drove the rotation of cylinder and multiunit rear drum before the multiunit, and cylinder and multiunit rear drum are rotatory along the roller bearing before the multiunit and multiunit rear roller respectively before the rotatory multiunit, reduce the backing plate and preceding backup pad and the back friction between the backup pad.

The utility model discloses used motor and conveyer purchase in the market, according to the service instruction of wearing with use can.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A cold bending adjusting mechanism of a cold bending machine comprises a fixing plate (1), a bottom plate (2), a hanging plate (3), a hydraulic cylinder (4), a pressing plate (5), a control device (6), a base plate (7) and section steel (8), wherein the bottom surface of the fixing plate (1) is connected with the left half area of the top surface of the bottom plate (2), the left side wall of the hanging plate (3) is connected with the upper half area of the right side wall of the fixing plate (1), the hydraulic cylinder (4) is installed in the right half area of the bottom surface of the hanging plate (3), the bottom end of the hydraulic cylinder (4) is connected with the central area of the top surface of the pressing plate (5), the control device (6) is installed in the lower half area of the front surface of the fixing plate (1), the hydraulic cylinder (4) is electrically connected with the control device (6), a first rectangular hole (28) is longitudinally; the device is characterized by further comprising a front supporting plate (9), a rear supporting plate (10), a front connecting plate (11), a rear connecting plate (12), a connecting ring (13), a mounting plate (14), a motor (15), a rotating shaft (16), a pull rope (17), a connecting plate (18), a sliding plate (19), a spring (20), a left clamping plate (21), a right clamping plate (22) and a conveying device (23), wherein the left side wall of the front supporting plate (9) and the left side wall of the rear supporting plate (10) are respectively connected with the front side and the rear side of the upper half area of the right side wall of the fixing plate (1), the upper half area of the fixing plate (1) is transversely provided with a second rectangular hole (29), the inner front wall and the inner rear wall of the second rectangular hole (29) are respectively provided with a first rectangular groove and a second rectangular groove, the inner left side wall and the inner right side wall of the first rectangular groove are respectively provided with two groups of first openings, and the inner left side wall, the back of the front connecting plate (11) and the front of the back connecting plate (12) are respectively connected with the front central area and the back central area of the backing plate (7), the front of the front connecting plate (11) and the back of the back connecting plate (12) are respectively inserted into the first rectangular groove and the second rectangular groove, the right end of the connecting ring (13) is connected with the central area of the left side wall of the backing plate (7), the right side wall of the mounting plate (14) is connected with the upper half area of the left side wall of the fixing plate (1), the motor (15) is detachably mounted on the mounting plate (14), the motor (15) is electrically connected with the control device (6), the right end of the rotating shaft (16) is connected with the output end of the left end of the motor (15), one end of the pull rope (17) is wound and fixed on the connecting ring (13), the other end of the pull rope (17) is fixed and wound on the rotating shaft (16), the rectangular opening is communicated with the sliding cavity, the bottom end of the connecting plate (18) penetrates through the rectangular opening and is inserted into the sliding cavity, the top end and the bottom end of the connecting plate (18) are respectively connected with the left half area of the bottom surface of the backing plate (7) and the top end of the sliding plate (19), the right side wall of the sliding plate (19) is tightly contacted with the right side wall of the sliding cavity, the left end and the right end of the spring (20) are respectively connected with the left side wall of the sliding cavity and the left side wall of the sliding plate (19), the spring (20) is in a compressed state, the inner top wall of the second rectangular hole (29) is provided with a third rectangular hole (30), the bottom end of the left clamping plate (21) and the bottom end of the right clamping plate (22) are respectively connected with the left half area and the right half area of the top surface of the backing plate (7), the right side wall of the left clamping plate (21) and the left side wall of the right clamping plate (22) are respectively contacted with the left side, the conveying device (23) is arranged on the right half area of the top surface of the bottom plate (2), the backing plate (7) is positioned above the conveying device (23), and the conveying device (23) is electrically connected with the control device (6).

2. A cold bend adjusting mechanism of a cold bend machine according to claim 1, further comprising a fixed pulley (24), wherein the fixed pulley (24) is installed at an upper half area of a left side wall of the fixed plate (1), and the pulling rope (17) is wound around the fixed pulley (24) and wound around the rotary shaft (16).

3. A cold bend adjusting mechanism of a cold bend machine according to claim 2, further comprising a limiting plate (25), wherein the left end of the rotary shaft (16) is connected to the central region of the right side wall of the limiting plate (25).

4. The cold bending adjusting mechanism of a cold bending machine according to claim 3, further comprising a plurality of sets of front rollers (26), a plurality of sets of rear rollers, a plurality of sets of front rollers (27) and a plurality of sets of rear rollers, wherein the top surfaces of the front support plate (9) and the rear support plate (10) are respectively provided with a third rectangular groove and a fourth rectangular groove, the rear ends of the plurality of sets of front rollers (26) and the rear ends of the plurality of sets of rear rollers respectively penetrate through the central region of the plurality of sets of front rollers (27) and the central region of the plurality of sets of rear rollers, the front ends and the rear ends of the plurality of sets of front rollers (26) are respectively connected with the inner front wall and the inner rear wall of the third rectangular groove, and the front ends and the rear ends of the plurality of sets of rear rollers.

5. A cold bend adjustment mechanism of a cold bend machine according to claim 4, characterized in that the sets of front rollers (27) and the sets of rear rollers are respectively higher than the front support plate (9) and the rear support plate (10).

6. A cold-bending adjustment mechanism for cold-bending machine according to claim 5, wherein said sets of front rollers (26) and said sets of rear rollers are disposed in said third rectangular recess and said fourth rectangular recess, respectively, at equal intervals.

7. A cold bend adjustment mechanism of a cold bend machine according to claim 6, characterized in that the pull rope (17) is made of nylon.

8. A cold bend adjustment mechanism of a cold bending machine, according to claim 7, characterized in that the length of the first rectangular hole (28) is smaller than the length of the section steel (8), and the width of the first rectangular hole (28) is larger than the width of the section steel (8).

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