CN215746055U

CN215746055U - Bender with limit function

Info

Publication number: CN215746055U
Application number: CN202122023300.XU
Authority: CN
Inventors: 杨东旭
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-08
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of bending machines, and discloses a bending machine with a limiting function, which comprises: a mounting frame; the limiting assembly is arranged on the mounting frame and comprises a first limiting plate and a second limiting plate which are arranged face to face, and the distance between the first limiting plate and the second limiting plate is adjustable and is used for limiting a workpiece to be bent; the rotating assembly is arranged on the mounting frame and positioned on one side of the limiting assembly, and the rotating assembly comprises a rotating disc capable of rotating; the bending assembly is arranged on the rotary table and can rotate along with the rotary table, the bending assembly comprises a first clamping plate and a second clamping plate which are arranged face to face, and the distance between the first clamping plate and the second clamping plate is adjustable and is used for clamping a workpiece. The bending machine with the limiting function disclosed by the utility model can be used for positioning a workpiece to be processed, so that the possibility of deviation of the workpiece during bending is reduced, and the yield of the bent workpiece is improved.

Description

Bender with limit function

Technical Field

The utility model relates to the technical field of bending machines, in particular to a bending machine with a limiting function.

Background

The frame is the load-bearing part of car, and the frame includes boundary beam formula frame, centre sill formula frame etc. all contains the longeron in boundary beam formula frame and the centre sill formula frame, and the longeron plays important bearing effect on the car, is one of load-bearing part's key part. The longitudinal beam is generally formed by stamping a low-alloy steel plate, the section of the longitudinal beam is generally in a groove shape, some longitudinal beams are made into a Z shape or a box shape, and the like.

When the existing bending machine bends the longitudinal beam, the longitudinal beam is not convenient to limit, and the longitudinal beam is easy to shift when being bent, so that the processing fails.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a bending machine with a limiting function, which can position a workpiece to be processed, reduce the possibility of deviation of the workpiece during bending, and improve the yield of the bent workpiece.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a bending machine with limiting function comprises: a mounting frame; the limiting assembly is arranged on the mounting frame and comprises a first limiting plate and a second limiting plate which are arranged face to face, and the distance between the first limiting plate and the second limiting plate is adjustable and is used for limiting a workpiece to be bent; the rotating assembly is arranged on the mounting frame and positioned on one side of the limiting assembly, and the rotating assembly comprises a rotary disc capable of rotating; the bending assembly is arranged on the rotary table and can rotate along with the rotary table, the bending assembly comprises a first clamping plate and a second clamping plate which are arranged face to face, and the distance between the first clamping plate and the second clamping plate is adjustable and used for clamping the workpiece.

As an optimal scheme of the bending machine with the limiting function, the rotating assembly further comprises a rotating power part, the rotary table is arranged at the output end of the rotating power part, the rotating power part can drive the rotary table to drive the first clamping plate and the second clamping plate to rotate synchronously, the rotary table comprises a rotary table body and a bending block, the bending block is fixed at the center of the rotary table body, the first clamping plate is arranged on the bending block, and the second clamping plate is arranged on the rotary table body.

As a preferable scheme of the bending machine with the limiting function, the limiting assembly further comprises: the limiting support plate is fixedly arranged on the mounting frame and is provided with a limiting threaded hole; and the limiting fastener is matched with the limiting thread, one end of the limiting fastener is rotatably connected with the first limiting plate, and the distance of one end of the limiting fastener extending out of the limiting support plate can be adjusted to change the distance between the first limiting plate and the second limiting plate.

As a preferable scheme of the bending machine with a limiting function, the bending assembly further includes: the clamping support plate is fixedly arranged on the turntable and provided with a clamping threaded hole; and the clamping fastener is matched with the clamping thread, one end of the clamping fastener is rotatably connected with the first clamping plate, and the distance of one end of the clamping fastener extending out of the clamping support plate is adjustable so as to change the distance between the first clamping plate and the second clamping plate.

As a preferable aspect of the bending machine with a limiting function, the bending machine with a limiting function further includes a jacking assembly configured to raise or lower the mounting bracket.

As a preferable scheme of the bending machine with the limiting function, the jacking assembly comprises: a double-shaft motor; the two transmission assemblies are respectively arranged on two output shafts of the double-shaft motor; two lifting unit, every lifting unit all with one transmission assembly corresponds the setting and all includes base and screw rod, the one end of screw rod with mounting bracket rotatable coupling, the other end spiro union is in on the base, the biax motor can pass through the transmission assembly drive the screw rod rotates and follows vertical direction up or move down in order to drive the mounting bracket risees or reduces.

As a preferable solution of the bending machine with the limiting function, each of the transmission assemblies includes: the bevel gear set comprises a first bevel gear and a second bevel gear which are meshed, and the first bevel gear is fixed on the output end; the worm is provided with the second bevel gear and is perpendicular to the double-shaft motor, and the worm is provided with first meshing teeth; and the worm wheel is provided with second meshing teeth meshed with the first meshing teeth and is arranged on the screw rod.

As an optimal scheme of bender with limit function, bender with limit function still includes the line subassembly of receiving, the line subassembly of receiving includes: the wire take-up drum is rotatably arranged on the mounting rack and is used for winding the electric wire; and the baffle is fixedly arranged at one end of the wire take-up cylinder.

As a preferable scheme of the bending machine with the limiting function, the bending machine with the limiting function further includes a positioning wire assembly located on one side of the wire rewinding assembly, and the positioning wire assembly includes: the positioning bracket is arranged on the mounting rack and is provided with a positioning cavity and a positioning threaded hole communicated with the positioning cavity; the positioning fastener is matched with the positioning thread and penetrates through the threaded hole; the positioning plate, at least part of the positioning plate is located the location intracavity, the positioning plate with the one end rotatable coupling of location fastener, the one end of location fastener stretches into the length adjustable in order to change the positioning plate to the distance of location chamber bottom.

As an optimal scheme of bender with limit function, bender with limit function still includes spacing round, spacing round rotationally sets up on the mounting bracket and be located receive the line subassembly with between the location wire assembly, the electric wire is around establishing spacing round is last.

The utility model has the beneficial effects that: when the bending machine with the limiting function is used for bending a workpiece, firstly, the workpiece is clamped between the first clamping plate and the second clamping plate by adjusting the distance between the first clamping plate and the second clamping plate, the workpiece is prevented from falling off, the workpiece is limited between the first limiting plate and the second limiting plate by adjusting the distance between the first limiting plate and the second limiting plate, then, the rotating disc is rotated, the workpiece is bent by the first clamping plate and the second clamping plate, and the added first limiting plate and the added second limiting plate play a role in limiting the workpiece, so that the possibility of deviation of the workpiece during bending is reduced, the bending quality of the workpiece is improved, and the yield of the bent workpiece is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic diagram of a bending machine with a limiting function according to an embodiment of the present invention;

fig. 2 is a top view of a cross-sectional view of a bending machine with a limiting function according to an embodiment of the present invention;

fig. 3 is a bottom view of a cross-sectional view of a bending machine with a limiting function according to an embodiment of the present invention;

fig. 4 is a sectional view of a part of the structure of a bending machine with a limiting function according to an embodiment of the present invention;

fig. 5 is a schematic partial structural diagram of a bending machine with a limiting function according to an embodiment of the present invention.

In the figure:

1. a box body; 2. a work table; 3. a limiting support plate; 4. a limiting fastener; 5. a first limit plate; 6. a second limiting plate; 7. a rotary power member; 8. a turntable body; 9. bending the block; 10. clamping the support plate; 11. clamping a fastener; 12. a first splint; 13. a second splint; 14. a double-shaft motor; 15. an output shaft; 16. a first bevel gear; 17. a second bevel gear; 18. a worm; 19. a first meshing tooth; 20. a worm gear; 21. a screw; 22. a base; 23. a chute; 24. a slider; 25. a universal wheel; 26. a take-up drum; 27. a baffle plate; 28. a handle; 29. a limiting wheel; 30. positioning the bracket; 31. positioning a fastener; 32. and (7) positioning the plate.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a bending machine with a limiting function, which is used for bending a longitudinal beam, that is, the workpiece of the embodiment is a longitudinal beam, and in other embodiments, the workpiece may also be other workpieces to be bent, which is specifically selected according to actual needs. As shown in fig. 1 and fig. 2, the bending machine with limiting function of this embodiment includes a mounting bracket, a limiting assembly, a rotating assembly and a bending assembly, the limiting assembly is disposed on the mounting bracket, the limiting assembly includes a first limiting plate 5 and a second limiting plate 6 which are disposed face to face, the distance between the first limiting plate 5 and the second limiting plate 6 is adjustable and is used for limiting a workpiece to be bent, the rotating assembly is disposed on the mounting bracket and is located on one side of the limiting assembly, the rotating assembly includes a rotatable turntable, the bending assembly is disposed on the turntable and can rotate along with the turntable, the bending assembly includes a first clamping plate 12 and a second clamping plate 13 which are disposed face to face, the distance between the first clamping plate 12 and the second clamping plate 13 is adjustable and is used for clamping the workpiece, and the first clamping plate 12 and the second clamping plate 13 are both perpendicular to the turntable.

It should be noted that, as shown in fig. 1, the mounting bracket of this embodiment includes box 1 and workstation 2 that is located box 1 top, and spacing subassembly and rotating assembly all set up on workstation 2, and first limiting plate 5 and second limiting plate 6 are all perpendicular to workstation 2. Four universal wheels 25 are arranged below the box body 1, the four universal wheels 25 are respectively arranged at four corners of the box body 1, and the arranged universal wheels 25 are convenient for moving the bending machine with the limiting function.

The bender with limiting function that this embodiment provided is when bending the work piece, at first, through the distance between first splint 12 of adjustment and the second splint 13, make the work piece centre gripping between first splint 12 and second splint 13, prevent that the work piece from droing, through the distance between the first limiting plate 5 of adjustment and the second limiting plate 6, make the work piece spacing between first limiting plate 5 and second limiting plate 6, then, turn to the carousel, first splint 12 and second splint 13 bend the work piece, the first limiting plate 5 and the second limiting plate 6 of addding play and carry out spacing effect to the work piece, the possibility that the work piece takes place the skew when bending has been reduced, the quality of bending of work piece has been improved, the yield of the work piece of bending has been promoted.

As shown in fig. 1, the rotating assembly of this embodiment further includes a rotating power member 7, the rotating power member 7 is a servo motor, the rotary table is disposed at an output end of the rotating power member 7, the rotating power member 7 can drive the rotary table to drive the first clamping plate 12 and the second clamping plate 13 to rotate synchronously, as shown in fig. 1 and fig. 2, the rotary table includes a rotary table body 8 and a bending block 9, the bending block 9 is fixed at a center of the rotary table body 8, the first clamping plate 12 is disposed on the bending block 9, and the second clamping plate 13 is disposed on the rotary table body 8. When the rotary power part 7 drives the turntable body 8 to drive the bending block 9 to rotate, the workpiece is attached to the periphery of the bending block 9, and the first clamping plate 12 and the second clamping plate 13 bend the workpiece along the periphery of the bending block 9, so that the workpiece is bent.

Specifically, as shown in fig. 2, the limiting assembly of the present embodiment further includes a limiting support plate 3 and a limiting fastener 4, the limiting support plate 3 is fixedly disposed on the mounting frame and is provided with a limiting threaded hole (not shown in the figure), the limiting fastener 4 is in threaded fit with the limiting thread and one end of the limiting fastener is rotatably connected to the first limiting plate 5, and a distance that one end of the limiting fastener 4 extends out of the limiting support plate 3 is adjustable to change a distance between the first limiting plate 5 and the second limiting plate 6. Further, this spacing fastener 4 is the bolt, spacing extension board 3 is fixed to be set up on workstation 2, the number of spacing screw hole on the spacing extension board 3 is two, every spacing screw hole all corresponds the setting with a spacing fastener 4, when adjusting the distance between first limiting plate 5 and the second limiting plate 6, revolve simultaneously along a direction and twist spacing fastener 4, the distance that the one end that makes spacing fastener 4 and spacing extension board 3 be connected stretches out spacing extension board 3 changes, thereby reach the purpose of adjusting the distance between first limiting plate 5 and the second limiting plate 6, the work piece can remove for first limiting plate 5 and second limiting plate 6 this moment.

In other embodiments, the number of the limiting threaded holes in the limiting support plate 3 of the limiting assembly is not limited to two in this embodiment, and may be one or more than two, and each limiting threaded hole is arranged corresponding to one limiting fastener 4, specifically according to actual needs.

Specifically, as shown in fig. 2, the bending assembly of the present embodiment further includes a clamping plate 10 and a clamping fastener 11, the clamping plate 10 is fixedly disposed on the rotary table and is provided with a clamping threaded hole (not shown), the clamping fastener 11 is engaged with the clamping threaded hole and has one end rotatably connected to the first clamping plate 12, and the distance that the one end of the clamping fastener 11 extends out of the clamping plate 10 is adjustable to change the distance between the first clamping plate 12 and the second clamping plate 13. Furthermore, the clamping fasteners 11 are bolts, the clamping support plate 10 is fixedly arranged on the rotary table, the number of the clamping threaded holes in the clamping support plate 10 is two, each clamping threaded hole is arranged corresponding to one clamping fastener 11, when the distance between the first clamping plate 12 and the second clamping plate 13 is adjusted, the clamping fasteners 11 are screwed along one direction, so that the distance from one end, connected with the clamping support plate 10, of each clamping fastener 11 to the corresponding clamping support plate 10 is changed, the purpose of adjusting the distance between the first clamping plate 12 and the second clamping plate 13 is achieved, at the moment, a workpiece is clamped between the first clamping plate 12 and the second clamping plate 13, and the workpiece cannot move relative to the first clamping plate 12 and the second clamping plate 13.

In other embodiments, the number of the clamping threaded holes on the clamping plate 10 of the clamping assembly is not limited to two in this embodiment, and may be one or more than two, and each clamping threaded hole is disposed corresponding to one clamping fastener 11, specifically disposed according to actual needs.

The bending machine with limiting function of the embodiment further comprises a jacking assembly, and the jacking assembly is configured to lift or lower the mounting frame. Specifically, as shown in fig. 3, this jacking subassembly includes double-shaft motor 14, two transmission assembly and two lifting unit, two transmission assembly set up respectively on two output shafts 15 of double-shaft motor 14, as shown in fig. 4, every lifting unit all corresponds the setting with a transmission assembly and all includes base 22 and screw rod 21, the one end and the mounting bracket rotatable coupling of screw rod 21, the other end spiro union is on base 22, double-shaft motor 14 can drive screw rod 21 through the transmission assembly and rotate and follow vertical direction up or move down in order to drive the mounting bracket and rise or reduce. Further, as shown in fig. 3, each transmission assembly includes a bevel gear set, a worm 18 and a worm wheel 20, the bevel gear set includes a first bevel gear 16 and a second bevel gear 17 which are engaged with each other, the first bevel gear 16 is fixed on the output shaft 15 of the biaxial motor 14, the worm 18 is provided with the second bevel gear 17, the worm 18 is arranged perpendicular to the biaxial motor 14, the worm 18 is provided with a first engaging tooth 19, the worm wheel 20 is provided with a second engaging tooth which is engaged with the first engaging tooth 19, and the worm wheel 20 is arranged on the screw 21.

It should be noted that, in other embodiments of the present invention, the jacking assembly is not limited to the structure of this embodiment, and may also be a linear driving assembly such as an electric push rod or an air cylinder, which is specifically set according to actual needs.

In order to enable the screw 21 to drive the mounting rack to move along the vertical direction, as shown in fig. 4, a sliding groove 23 extending along the vertical direction is formed in the base 22, a sliding block 24 is arranged in the sliding groove 23, the sliding block 24 is fixedly connected with the mounting rack, and when the screw 21 drives the mounting rack to move in the vertical direction, the mounting rack slides along the sliding groove 23 in the base 22 through the sliding block 24.

Specifically, when the bending machine is used, the double-shaft motor 14 is started, and when the double-shaft motor 14 drives the output shafts 15 to rotate, the first bevel gear 16 on each output shaft 15 is meshed with the second bevel gear 17 to drive the second bevel gear 17 to rotate, so that the first meshing teeth 19 at the two ends of the worm 18 drive the screw 21 in the worm wheel 20 to rotate and simultaneously ascend or descend, the bending machine with the limiting function is positioned, and the use stability of the bending machine is improved.

Because overlength electric wire drags on the ground not only can twine together and trip easily, still makes electric wire itself break easily, influences the security of using, consequently, the bender with limit function of this embodiment still includes the line receiving assembly, as shown in fig. 1, the line receiving assembly includes a line receiving cylinder 26 and a baffle 27, and line receiving cylinder 26 rotationally sets up on the mounting bracket and is used for coiling the electric wire, and baffle 27 is fixed to be set up in the one end of line receiving cylinder 26. In order to facilitate the user to rotate the wire winding drum 26, as shown in fig. 1, the baffle 27 is provided with a handle 28, and when the wire is wound on the wire winding drum 26 or the wire wound on the wire winding drum 26 is taken down, the user holds the handle 28 and rotates the wire winding drum 26.

The bender with limiting function of this embodiment is still including being located the location wire assembly of receiving wire assembly one side, as shown in fig. 5, location wire assembly includes locating support 30, location fastener 31 and locating plate 32, locating support 30 sets up on the mounting bracket, be equipped with the location chamber on it and with the location screw hole of location chamber intercommunication, location fastener 31 and location screw-thread fit and its through thread hole, at least part locating plate 32 is located the location intracavity, locating plate 32 and the one end rotatable coupling of location fastener 31, the length that the one end of location fastener 31 stretched into the location chamber is adjustable in order to change the distance of locating plate 32 to location chamber bottom.

Specifically, when the electric wire in the positioning cavity is positioned, the positioning fastener 31 is screwed, the length of one end of the positioning fastener 31 extending into the positioning cavity is increased, the distance from the positioning plate 32 to the bottom of the positioning cavity is gradually reduced, and the electric wire is located between the positioning bracket 30 and the positioning plate 32.

As shown in fig. 1, the bending machine with the limiting function further comprises a limiting wheel 29, the limiting wheel 29 is rotatably arranged on the mounting frame and located between the wire collecting component and the positioning wire component, the wire is wound on the limiting wheel 29, and the limiting wheel 29 limits the wire.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a bender with limit function which characterized in that includes:

a mounting frame;

the limiting assembly is arranged on the mounting frame and comprises a first limiting plate (5) and a second limiting plate (6) which are arranged face to face, and the distance between the first limiting plate (5) and the second limiting plate (6) is adjustable and is used for limiting a workpiece to be bent;

the rotating assembly is arranged on the mounting frame and positioned on one side of the limiting assembly, and the rotating assembly comprises a rotary disc capable of rotating;

the bending assembly is arranged on the rotary table and can rotate along with the rotary table, the bending assembly comprises a first clamping plate (12) and a second clamping plate (13) which are arranged face to face, and the distance between the first clamping plate (12) and the second clamping plate (13) is adjustable and is used for clamping the workpiece.

2. The bending machine with limiting function according to claim 1, wherein the rotating assembly further comprises a rotating power part (7), the rotating disc is arranged at an output end of the rotating power part (7), the rotating power part (7) can drive the rotating disc to drive the first clamping plate (12) and the second clamping plate (13) to rotate synchronously, the rotating disc comprises a rotating disc body (8) and a bending block (9), the bending block (9) is fixed at the center of the rotating disc body (8), the first clamping plate (12) is arranged on the bending block (9), and the second clamping plate (13) is arranged on the rotating disc body (8).

3. Machine for bending with limit function according to claim 1, wherein said limit assembly further comprises:

the limiting support plate (3) is fixedly arranged on the mounting frame and is provided with a limiting threaded hole;

the limiting fastener (4) is matched with the limiting thread, one end of the limiting fastener is rotatably connected with the first limiting plate (5), and the distance of the limiting fastener (4) extending out of the limiting support plate (3) can be adjusted to change the distance between the first limiting plate (5) and the second limiting plate (6).

4. Machine for bending with limit function according to claim 1, wherein said bending assembly further comprises:

the clamping support plate (10) is fixedly arranged on the turntable and provided with a clamping threaded hole;

and the clamping fastener (11) is matched with the clamping thread, one end of the clamping fastener is rotatably connected with the first clamping plate (12), and the distance of one end of the clamping fastener (11) extending out of the clamping support plate (10) can be adjusted to change the distance between the first clamping plate (12) and the second clamping plate (13).

5. The bending machine with limiting function according to claim 1, further comprising a jacking assembly configured to raise or lower the mounting frame.

6. The bending machine with limiting function according to claim 5, wherein the jacking assembly comprises:

a two-shaft motor (14);

the two transmission assemblies are respectively arranged on two output shafts (15) of the double-shaft motor (14);

two lifting unit, every lifting unit all with one transmission unit corresponds the setting and all includes base (22) and screw rod (21), the one end of screw rod (21) with mounting bracket rotatable coupling, the other end spiro union be in on base (22), double-shaft motor (14) can pass through the transmission unit drive screw rod (21) rotate and follow vertical direction up or move down in order to drive the mounting bracket risees or reduces.

7. Machine for bending with limit function according to claim 6, wherein each of said transmission assemblies comprises:

a bevel gear set comprising a first bevel gear (16) and a second bevel gear (17) in mesh, the first bevel gear (16) being fixed to the output shaft (15);

the worm (18) is provided with the second bevel gear (17), the worm (18) is perpendicular to the double-shaft motor (14), and the worm (18) is provided with first meshing teeth (19);

and the worm wheel (20) is provided with second meshing teeth meshed with the first meshing teeth (19), and the worm wheel (20) is arranged on the screw rod (21).

8. The bending machine with limiting function according to claim 1, further comprising a wire take-up assembly, wherein the wire take-up assembly comprises:

a take-up drum (26) rotatably disposed on the mounting bracket and used for winding the electric wire;

and the baffle (27) is fixedly arranged at one end of the wire take-up drum (26).

9. The bending machine with limiting function according to claim 8, further comprising a positioning wire assembly located at one side of the wire collection assembly, wherein the positioning wire assembly comprises:

the positioning bracket (30) is arranged on the mounting rack, and is provided with a positioning cavity and a positioning threaded hole communicated with the positioning cavity;

a positioning fastener (31) which is matched with the positioning thread and penetrates through the threaded hole;

the positioning plate (32), at least part the positioning plate (32) is located the location intracavity, positioning plate (32) with the one end rotatable coupling of location fastener (31), the one end of location fastener (31) stretches into the length adjustable in order to change positioning plate (32) to the distance of location chamber bottom.

10. The bending machine with limiting function according to claim 9, further comprising a limiting wheel (29), wherein the limiting wheel (29) is rotatably disposed on the mounting frame and located between the wire collection assembly and the positioning wire assembly, and the wire is wound on the limiting wheel (29).