CN214639299U

CN214639299U - Bending machine convenient for bending different angles

Info

Publication number: CN214639299U
Application number: CN202120386787.5U
Authority: CN
Inventors: 刘富强; 孔凡龙; 朱素连
Original assignee: Shanghai Mingqin Metal Products Co ltd
Current assignee: Shanghai Mingqin Metal Products Co ltd
Priority date: 2021-02-21
Filing date: 2021-02-21
Publication date: 2021-11-09
Anticipated expiration: 2031-02-21

Abstract

The application relates to a bending machine convenient for bending different angles, which comprises a clamping piece, an upper die and a lower die, wherein the clamping piece is detachably connected with the upper die, a connecting groove is formed in the lower die, a bending module is arranged in the connecting groove, a bending groove matched with the upper die is formed in the upper surface of the bending module, two groups of fixing mechanisms used for fixing the bending module are arranged on the lower die, each group of fixing mechanisms comprises a rotating rod, a fixing rod, a first L-shaped plate and a second L-shaped plate, the rotating rod is fixedly connected to the lower die, the fixing rod is rotatably connected to the rotating rod, the first L-shaped plate is fixedly connected to the bending module, and the second L-shaped plate is fixedly connected to the lower die; part of the fixed rod is lapped on the first L-shaped plate, the fixed rod is abutted against the bending module, and one end of the fixed rod, which is far away from the rotating rod, is lapped on the second L-shaped plate; and the second L-shaped plate is provided with a limiting assembly for limiting the rotation of the fixing rod. This application is through changing different modules of bending and last membrane, satisfies to bend panel and be the purpose of different angles.

Description

Bending machine convenient for bending different angles

Technical Field

The application relates to the technical field of metal processing machinery, in particular to a bending machine convenient for bending different angles.

Background

At present, a bending machine is a machine capable of bending a thin plate, belongs to one of forging and pressing machines, and is mainly used in the metal processing industry. The product is widely applicable to: in the industries of light industry, aviation, ships, metallurgy, instruments, electrical appliances, stainless steel products, steel structure buildings and decoration, a bending machine is a preferred machine for performing sheet metal processing on plates, particularly large plates at present, and can perform edge bending, stretching, rounding, punching and the like on the plates by matching various different dies.

The related art can refer to the grant publication number for Chinese patent, and it discloses a bender convenient to location, and it includes the frame, is equipped with corresponding last mould and the lower mould that sets up in the frame, goes up the mould and is connected with the frame lift, and one side of lower mould towards last mould is equipped with the recess of bending, and the recess department of bending is equipped with the locating frame of symmetry setting, and panel inserts between the locating frame of relative setting, and the both ends of panel width direction respectively with the relative lateral wall butt of locating frame.

In view of the above-mentioned related art, the inventor believes that there is a drawback that bending a sheet material to different angles may be required in response to the processing requirements of different sheet materials, without the above-mentioned technical solution of bending a sheet material to different angles.

SUMMERY OF THE UTILITY MODEL

In order to be different angles with panel bending, this application provides a bender convenient to bend different angles.

The application provides a pair of bender convenient to different angles of bending adopts following technical scheme:

the utility model provides a bender convenient to different angles of bending, includes the holder, goes up mould and lower mould, its characterized in that: the clamping piece is detachably connected with the upper die, a connecting groove is formed in the lower die, the two ends of the connecting groove are communicated with the end faces of the two ends of the lower die, a bending module is arranged in the connecting groove, a bending groove matched with the upper die is formed in the upper surface of the bending module, two groups of fixing mechanisms used for fixing the bending module are arranged on the lower die and are respectively located on the end faces of the two ends of the lower die, each group of fixing mechanisms comprises a rotating rod, a fixing rod, a first L-shaped plate and a second L-shaped plate, the rotating rod is fixedly connected to the lower die, the fixing rod is rotatably connected to the rotating rod, the first L-shaped plate is fixedly connected to the bending module, the second L-shaped plate is fixedly connected to the lower die, and the rotating rod and the second L-shaped plate are distributed on the two sides of the bending module; part of the fixing rod is lapped on the first L-shaped plate, the fixing rod is abutted against the bending module, and one end of the fixing rod, which is far away from the rotating rod, is lapped on the second L-shaped plate; and the second L-shaped plate is provided with a limiting assembly for limiting the rotation of the fixing rod.

By adopting the technical scheme, in order to facilitate bending the plate into different angles, the bending module is firstly placed in the connecting groove, and then two fixing rods in the two groups of fixing mechanisms are rotated, so that each fixing rod is in lap joint with the corresponding first L-shaped plate and the corresponding second L-shaped plate, at the moment, the two fixing rods are respectively abutted against the two ends of the bending module, the bottom sides of the two fixing rods are respectively abutted against the horizontal plates of the two first L-shaped plates, and the effect of fixing the bending module is achieved; when the bending module needs to be disassembled, the two groups of fixing mechanisms are firstly removed from the bending module, and then the fixing rod is moved to be separated from the first L-shaped plate and the second L-shaped plate, so that the aim of conveniently moving and replacing the bending module is fulfilled; the purpose of bending the plate into different angles is met by replacing different bending modules and upper films.

Preferably, the fixing rod is provided with a first limiting groove, the vertical plate of the second L-shaped plate is provided with a through hole, the side wall of the through hole is provided with a first sliding groove, the limiting assembly comprises a limiting rod and a sliding block, the limiting rod is connected to the through hole in a sliding manner, and the limiting rod is inserted into the first limiting groove; the sliding block is connected with the first sliding groove in a sliding mode, and the first sliding groove is fixedly connected with the limiting rod; a reset assembly used for enabling the limiting rod to reset is arranged in the first sliding groove.

By adopting the technical scheme, in the process of overlapping the movable fixing rod on the second L-shaped plate, the limiting rod is pulled firstly to enable one end, close to the lower die, of the limiting rod to be located in the through hole, then the movable fixing rod enables the fixing rod to be overlapped on the second L-shaped plate, then the limiting rod is reset under the action of the reset assembly and then is inserted into the first limiting groove, and therefore the purpose of limiting the rotation of the fixing rod is achieved; through setting up the slider, be convenient for reduce the possibility that the gag lever post breaks away from the through-hole.

Preferably, the reset assembly comprises a guide rod and a first spring, the guide rod is fixedly connected to the first sliding groove, the sliding block is connected to the guide rod in a sliding mode, the first spring is sleeved on the guide rod, one end of the first spring is fixedly connected to the sliding block, and the other end of the first spring is fixedly connected to the side wall of the first sliding groove.

By adopting the technical scheme, when the limiting rod moves towards the direction far away from the fixed rod, the limiting rod moves to drive the sliding block to move, and the first spring is compressed in the process of the sliding block; when the external force is not applied to the limiting rod any more, the first spring pushes the sliding block to move due to the elastic force of the first spring, and the sliding block moves to drive the limiting rod to move, so that the aim of resetting the limiting rod is fulfilled; through setting up the guide bar, be convenient for on the one hand lead the slider, on the other hand be convenient for reduce the in-process of compressing first spring, the possibility that first spring takes place to squint to other directions.

Preferably, the top side of the limiting rod is provided with an inclined plane, the bottom side of the fixing rod is provided with an inclined plane, and the inclined plane of the limiting rod is matched with the inclined plane of the fixing rod.

Through adopting above-mentioned technical scheme, removing the in-process of dead lever overlap joint in second L shaped plate, the inclined plane of dead lever contacts with the inclined plane of gag lever post, under the interact on two inclined planes for the dead lever can promote the gag lever post and remove, thereby reduces the degree of difficulty of dead lever overlap joint in second L shaped plate.

Preferably, one side of the clamping piece is provided with a groove, the side wall of the groove is provided with a T-shaped groove, the T-shaped groove is communicated with the bottom side of the clamping piece, the top side of the upper die is fixedly connected with a T-shaped block, and the T-shaped block is connected to the T-shaped groove in a sliding manner; the side wall of the groove is hinged with a fixing plate, the fixing plate is matched with the groove and is abutted against one end of the T-shaped block, and a connecting mechanism used for connecting a clamping piece is arranged in the fixing plate

Through adopting above-mentioned technical scheme, at the in-process of mould in the installation, remove earlier and go up the mould and drive the T-shaped piece and slide to the T-shaped inslot for the T-shaped piece cooperatees with the T-shaped groove, removes the fixed plate after that, makes fixed plate and recess cooperate, then under coupling mechanism's effect, makes fixed plate and holder fixed connection, fixed plate butt in the one end of T-shaped piece this moment, thereby reach the purpose of fixed mould.

Preferably, the fixed plate is provided with a second sliding groove, the side wall of the groove is provided with a second limiting groove, the connecting mechanism comprises a butting block and a second spring, the butting block is connected to the second sliding groove in a sliding mode, and the butting block is inserted into the second limiting groove; one end of the second spring is fixedly connected to the bottom of the second sliding groove, the other end of the second spring is fixedly connected to the abutting block, an inclined plane is arranged on one side, close to the T-shaped block, of the abutting block, and the inclined plane of the abutting block is arranged in an inclined mode from one side, close to the second spring, to one side, far away from the second spring, of the abutting block; the connecting mechanism further comprises a driving component for fixing the abutting block to move.

Through adopting above-mentioned technical scheme, for the convenience of fixed plate, at the in-process that rotates the fixed plate, the inclined plane of butt piece contacts with the lateral wall of recess to make the lateral wall of recess can promote butt piece to the second spout in, when the fixed plate drives the butt piece and removes to the butt piece and aim at the second spacing groove, under the elastic force effect of second spring, make the second spring promote the butt piece and peg graft in the second spacing groove, thereby reach fixed plate's purpose.

Preferably, the cavity has been seted up on the fixed plate, drive assembly includes rotary rod, stay cord and rotatory cap, the rotary rod rotates to be connected in the inside wall of cavity, and the lateral wall that the one end of rotary rod runs through the cavity is located the outside of fixed plate, the one end fixed connection of stay cord is in the butt joint piece, and fixed connection in rotary rod after the stay cord other end runs through the second spout, rotatory cap fixed connection is in the one end of rotary rod, and rotatory cap is located the outside of fixed plate.

Through adopting above-mentioned technical scheme, when needs remove coupling mechanism's effect, earlier through rotating rotatory cap, rotatory cap rotates and drives the rotary rod and rotates, and the rotary rod rotates and makes the stay cord rich establish on the rotary rod, and the stay cord rich establishes the in-process on the rotary rod and can stimulate the butt piece and remove to can make the butt piece break away from the second spacing groove, and then reach and remove coupling mechanism to the fixed action of fixed plate.

Preferably, one side of the fixing plate close to the upper die is fixedly connected with a rubber ring.

Through adopting above-mentioned technical scheme, through setting up the rubber circle, be convenient for reduce the rigid contact between fixed plate and the recess lateral wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in order to facilitate bending of the plate into different angles, the bending module is firstly placed in the connecting groove, and then two fixing rods in the two groups of fixing mechanisms are rotated, so that each fixing rod is in lap joint with the corresponding first L-shaped plate and the corresponding second L-shaped plate, the two fixing rods are respectively abutted against two ends of the bending module at the moment, the bottom sides of the two fixing rods are respectively abutted against horizontal plates of the two first L-shaped plates, and the effect of fixing the bending module is achieved; when the bending module needs to be disassembled, the two groups of fixing mechanisms are firstly removed from the bending module, and then the fixing rod is moved to be separated from the first L-shaped plate and the second L-shaped plate, so that the aim of conveniently moving and replacing the bending module is fulfilled; the purpose of bending the plate into different angles is met by replacing different bending modules and upper films;

2. in the process that the movable fixing rod is lapped on the second L-shaped plate, the limiting rod is pulled to enable one end, close to the lower die, of the limiting rod to be located in the through hole, then the fixing rod is lapped on the second L-shaped plate through the movable fixing rod, and then the limiting rod is reset under the action of the reset assembly and is further inserted into the first limiting groove, so that the purpose of limiting the rotation of the fixing rod is achieved;

3. when the limiting rod moves in the direction far away from the fixed rod, the limiting rod moves to drive the sliding block to move, and the first spring is compressed in the process of the sliding block; when the external force action is not applied to the limiting rod any more, the first spring pushes the sliding block to move due to the elastic force action of the first spring, and the sliding block moves to drive the limiting rod to move, so that the purpose of resetting the limiting rod is achieved.

Drawings

FIG. 1 is a schematic overall structure diagram of the present embodiment;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of the embodiment of the present application highlighting the structure of the securing mechanism;

FIG. 4 is an enlarged view at B in FIG. 1;

FIG. 5 is a schematic structural diagram of a convex T-shaped groove and a T-shaped block matched with each other in the embodiment of the application;

FIG. 6 is a schematic view showing the structure of the connection mechanism in the embodiment of the present application.

Description of reference numerals: 1. a clamping member; 11. a groove; 12. a T-shaped slot; 13. a fixing plate; 131. a second chute; 132. a cavity; 133. a rubber ring; 14. a second limit groove; 2. an upper die; 21. a T-shaped block; 3. a lower die; 31. connecting grooves; 32. bending the module; 321. bending the groove; 4. a fixing mechanism; 41. rotating the rod; 42. fixing the rod; 421. a first limit groove; 43. a first L-shaped plate; 44. a second L-shaped plate; 441. a through hole; 442. a first chute; 45. a limiting component; 451. a limiting rod; 452. a slider; 46. a reset assembly; 461. a guide bar; 462. a first spring; 5. a connecting mechanism; 51. a butting block; 52. a second spring; 53. a drive assembly; 531. rotating the rod; 532. pulling a rope; 533. rotating the cap; 6. and a frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses bender convenient to bend different angles, as shown in fig. 1 and fig. 2, including frame 6, holder 1, go up mould 2 and lower mould 3, holder 1 and the equal fixed connection of lower mould 3 are gone up mould 2 and can dismantle to be connected on holder 1 in frame 6, and go up mould 2 and be located lower mould 3 directly over.

As shown in fig. 2 and 3, a connecting groove 31 having a rectangular opening is formed in the upper surface of the lower mold 3, two ends of the connecting groove 31 are respectively communicated with end surfaces of two ends of the lower mold 3, a bending module 32 is disposed in the connecting groove 31, a bending groove 321 is formed in the upper surface of the bending module 32, and the bending groove 321 is matched with the upper mold 2. The lower die 3 is provided with two sets of fixing mechanisms 4 for fixing the bending module 32, and the two sets of fixing mechanisms 4 are respectively located on end faces of two ends of the lower die 3. Each set of fixing mechanism 4 includes a rotating rod 41, a fixing rod 42, a first L-shaped plate 43, a second L-shaped plate 44, a limiting component 45 and a resetting component 46, the rotating rod 41 is a circular rod-shaped structure, and one end of the rotating rod 41 is fixedly connected to the end surface of the lower die 3. One end of the fixing rod 42 is rotatably connected to the rotating rod 41, and the bottom side of the fixing rod 42 is provided with an inclined surface. The first L-shaped plate 43 is fixedly connected to the end surface of the bending module 32, a portion of the fixing rod 42 is overlapped on the first L-shaped plate 43, and the fixing rod 42 abuts against the end surface of the bending module 32. The second L-shaped plate 44 is fixedly connected to the end surface of the lower die 3, the second L-shaped plate 44 and the rotating rod 41 are distributed on two sides of the bending module 32, and one end of the fixing rod 42, which is far away from the rotating rod 41, is lapped on the second L-shaped plate 44.

As shown in fig. 2 and 3, the limiting component 45 includes a limiting rod 451 and a sliding block 452, a through hole 441 for the limiting rod 451 to slide is formed on the vertical plate of the second L-shaped plate 44, a first limiting groove 421 is formed on the fixing rod 42 corresponding to the through hole 441, the limiting rod 451 is inserted into the first limiting groove 421, a top side of the limiting rod 451 is provided with an inclined surface, and the inclined surface of the limiting rod 451 is matched with the inclined surface of the fixing rod 42. A first sliding groove 442 with a rectangular opening is formed in a side wall of the top side of the through hole 441, the sliding block 452 is in a rectangular block structure, the sliding block 452 is slidably connected to the first sliding groove 442, and the sliding block 452 is fixedly connected to the limiting rod 451. Through the arrangement of the sliding block 452, the possibility that the limiting rod 451 is separated from the through hole 441 is reduced

In the process that the movable fixing rod 42 is overlapped on the second L-shaped plate 44, the inclined surface of the fixing rod 42 is in contact with the inclined surface of the limiting rod 451, under the interaction of the two inclined surfaces, the fixing rod 42 can push the limiting rod 451 to move, and when the fixing rod 42 is overlapped on the second L-shaped plate 44, under the action of the reset component 46, the limiting rod 451 is reset and then inserted into the first limiting groove 421, so that the purpose of limiting the rotation of the fixing rod 42 is achieved.

As shown in fig. 2 and 3, the reset assembly 46 includes a guide rod 461 and a first spring 462, the guide rod 461 is a circular rod-shaped structure, two ends of the guide rod 461 are respectively and fixedly connected to two opposite side walls of the first sliding slot 442, the guide rod 461 penetrates through the sliding block 452, and the sliding block 452 is slidably connected to the guide rod 461. The first spring 462 is disposed on the guiding rod 461, one end of the first spring 462 is fixedly connected to the side of the sliding block 452 away from the fixing rod 42, and the other end is fixedly connected to the side wall of the first sliding slot 442 away from the fixing rod 42. When the limit rod 451 moves in a direction away from the fixing rod 42, the limit rod 451 moves to drive the slider 452 to move, and the first spring 462 is compressed in the process of the slider 452; when the limiting rod 451 is no longer acted by external force, the first spring 462 pushes the sliding block 452 to move due to the elastic force of the first spring 462, and the sliding block 452 moves to drive the limiting rod 451 to move, so that the purpose of resetting the limiting rod 451 is achieved. The provision of the guide rod 461 facilitates guiding the slider 452 and reduces the possibility of the first spring 462 being biased in the other direction during compression of the first spring 462.

As shown in fig. 4 and 5, a groove 11 is formed on a side wall of one side of the clamping member 1, a T-shaped groove 12 is formed on a side wall of the groove 11, the T-shaped groove 12 extends along the length direction of the clamping member 1, and the T-shaped groove 12 is communicated with the bottom side of the clamping member 1. The top side of the upper die 2 is fixedly connected with a T-shaped block 21, and the T-shaped block 21 is connected with the T-shaped groove 12 in a sliding mode. Articulated on the top side lateral wall of recess 11 have a fixed plate 13, and fixed plate 13 cooperatees with recess 11, and fixed plate 13 can be used for shutoff recess 11, and fixed plate 13 butt is in the terminal surface of T shaped plate one end. Referring to fig. 6, a connecting mechanism 5 for connecting the clamping member 1 is provided in the fixing plate 13. In the process of installing the upper die 2, the upper die 2 is moved firstly to drive the T-shaped block 21 to slide into the T-shaped groove 12, the T-shaped block 21 is matched with the T-shaped groove 12, then the fixing plate 13 is moved, the fixing plate 13 is matched with the groove 11, then the fixing plate 13 is fixedly connected with the clamping piece 1 under the action of the connecting mechanism 5, the fixing plate 13 abuts against one end of the T-shaped block 21 at the moment, and the purpose of fixing the upper die 2 is achieved

As shown in fig. 5 and 6, a rubber ring 133 is fixedly connected to one side of the fixing plate 13 close to the T-shaped block 21, and the rubber ring 133 abuts against the inner side wall of the groove 11. By providing the rubber ring 133, it is facilitated to reduce the rigid contact between the fixing plate 13 and the side wall of the recess 11.

As shown in fig. 5 and 6, a second sliding slot 131 with a rectangular opening is formed on the side wall of one side of the fixing plate 13, a second limiting slot 14 is formed on the side wall of the groove 11 corresponding to the second sliding slot 131, the connecting mechanism 5 includes an abutting block 51, a second spring 52 and a driving assembly 53, the abutting block 51 is slidably connected to the second sliding slot 131, and the abutting block 51 is inserted into the second limiting slot 14; the second spring 52 is located in the second sliding slot 131, one end of the second spring 52 is fixedly connected to the bottom of the second sliding slot 131, and the other end is fixedly connected to one side of the abutting block 51 close to the axial lead of the fixing plate 12. The side of the abutting block 51 close to the T-shaped block 21 is provided with an inclined surface, and the inclined surface of the abutting block 51 is arranged obliquely upwards from the side close to the second spring 52 to the side far from the second spring 52.

In order to facilitate fixing the fixed plate 13, make the fixed plate 13 can be used for shutoff recess 11, need rotate fixed plate 13 earlier, make fixed plate 13 and recess 11 cooperate, at the in-process of rotating fixed plate 13, the inclined plane of butt piece 51 contacts with the lateral wall of recess 11, thereby make the lateral wall of recess 11 can promote in butt piece 51 to the second spout 131, when fixed plate 13 drives butt piece 51 and removes to butt piece 51 and aim at second spacing groove 14, under the spring action of second spring 52, make second spring 52 promote butt piece 51 to peg graft in second spacing groove 14, thereby reach the purpose of fixed plate 13.

As shown in fig. 4 and 6, a cavity 132 with a rectangular cross section is formed in the fixed plate 13, the driving assembly 53 includes a rotating rod 531, a pulling rope 532 and a rotating cap 533, the rotating rod 531 is in a circular rod-shaped structure, one end of the rotating rod 531 is rotatably connected to the inner side wall of the cavity 132, and the other end of the rotating rod 531 penetrates through the side wall of the cavity 132 and is located outside the fixed plate 13. One end of the pulling rope 532 is fixedly connected to one end of the abutting block 51 close to the second spring 52, and the other end of the pulling rope 532 penetrates through the second sliding chute 131 and then is fixedly connected to the rotating rod 531. The rotating cap 533 has a circular plate-shaped structure, the rotating cap 533 is fixedly connected to one end of the rotating rod 531, and the rotating cap 533 is located outside the fixing plate 13. When the effect of the connecting mechanism 5 needs to be removed, the rotating cap 533 is rotated to drive the rotating rod 531 to rotate by rotating the rotating cap 533, the rotating rod 531 rotates to enable the pulling rope 532 to be arranged on the rotating rod 531, and the supporting block 51 can be pulled to move in the process that the pulling rope 532 is arranged on the rotating rod 531, so that the supporting block 51 can be separated from the second limiting groove 14, and the fixing effect of the connecting mechanism 5 on the fixing plate 13 can be removed.

The implementation principle of the bending machine convenient for bending different angles in the embodiment of the application is as follows: the purpose of bending plates into different angles is met by replacing different bending modules 32 and upper films 2, in the process of mounting the bending modules 32 on the lower film 3, the bending modules 32 are firstly placed in the connecting grooves 31, and then two fixing rods 42 in the two groups of fixing mechanisms 4 are rotated, so that each fixing rod 42 is in lap joint with the corresponding first L-shaped plate 43 and the corresponding second L-shaped plate 44, at the moment, the two fixing rods 42 are respectively abutted against two ends of the bending modules 32, and the bottom sides of the two fixing rods 42 are respectively abutted against the horizontal plates of the two first L-shaped plates 43, so that the effect of fixing the bending modules 32 is achieved; when the bending module 32 needs to be disassembled, the two sets of fixing mechanisms 4 are firstly released from the bending module 32, and then the fixing rod 42 is moved, so that the fixing rod 42 is separated from the first L-shaped plate 43 and the second L-shaped plate 44, and the purpose of conveniently moving and replacing the bending module 32 is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bender convenient to different angles of bending, includes holder (1), goes up mould (2) and lower mould (3), its characterized in that: the clamping part (1) is detachably connected with the upper die (2), a connecting groove (31) is formed in the lower die (3), the two ends of the connecting groove (31) are communicated with the end faces of the two ends of the lower die (3), a bending module (32) is arranged in the connecting groove (31), a bending groove (321) matched with the upper die (2) is formed in the upper surface of the bending module (32), two groups of fixing mechanisms (4) used for fixing the bending module (32) are arranged on the lower die (3), the two groups of fixing mechanisms (4) are respectively located at the end faces of the two ends of the lower die (3), each group of fixing mechanisms (4) comprises a rotating rod (41), a fixing rod (42), a first L-shaped plate (43) and a second L-shaped plate (44), the rotating rod (41) is fixedly connected with the lower die (3), and the fixing rod (42) is rotatably connected with the rotating rod (41), the first L-shaped plate (43) is fixedly connected to the bending module (32), the second L-shaped plate (44) is fixedly connected to the lower die (3), and the rotating rod (41) and the second L-shaped plate (44) are distributed on two sides of the bending module (32); part of the fixing rod (42) is overlapped on the first L-shaped plate (43), the fixing rod (42) is abutted against the bending module (32), and one end, far away from the rotating rod (41), of the fixing rod (42) is overlapped on the second L-shaped plate (44); and the second L-shaped plate (44) is provided with a limiting component (45) for limiting the rotation of the fixing rod (42).

2. A bending machine facilitating bending at different angles according to claim 1, wherein: the fixing rod (42) is provided with a first limiting groove (421), the vertical plate of the second L-shaped plate (44) is provided with a through hole (441), the side wall of the through hole (441) is provided with a first sliding groove (442), the limiting assembly (45) comprises a limiting rod (451) and a sliding block (452), the limiting rod (451) is connected to the through hole (441) in a sliding mode, and the limiting rod (451) is inserted into the first limiting groove (421); the sliding block (452) is connected with the first sliding groove (442) in a sliding mode, and the first sliding groove (442) is fixedly connected with the limiting rod (451); a reset component (46) used for resetting the limiting rod (451) is arranged in the first sliding groove (442).

3. A bending machine facilitating bending at different angles according to claim 2, wherein: reset assembly (46) includes guide bar (461) and first spring (462), guide bar (461) fixed connection is in first spout (442), slider (452) sliding connection is in guide bar (461), first spring (462) cover is established on guide bar (461), the one end fixed connection of first spring (462) is in slider (452), and the other end fixed connection is on the lateral wall of first spout (442).

4. A bending machine facilitating bending at different angles according to claim 3, wherein: the top side of the limiting rod (451) is provided with an inclined plane, the bottom side of the fixing rod (42) is provided with an inclined plane, and the inclined plane of the limiting rod (451) is matched with the inclined plane of the fixing rod (42).

5. A bending machine facilitating bending at different angles according to claim 1, wherein: a groove (11) is formed in one side of the clamping piece (1), a T-shaped groove (12) is formed in the side wall of the groove (11), the T-shaped groove (12) is communicated with the bottom side of the clamping piece (1), a T-shaped block (21) is fixedly connected to the top side of the upper die (2), and the T-shaped block (21) is connected to the T-shaped groove (12) in a sliding mode; the fixing device is characterized in that a fixing plate (13) is hinged to the side wall of the groove (11), the fixing plate (13) is matched with the groove (11), the fixing plate (13) abuts against one end of the T-shaped block (21), and a connecting mechanism (5) used for connecting the clamping piece (1) is arranged in the fixing plate (13).

6. A machine for bending different angles according to claim 5, wherein: the fixed plate (13) is provided with a second sliding groove (131), the side wall of the groove (11) is provided with a second limiting groove (14), the connecting mechanism (5) comprises a butting block (51) and a second spring (52), the butting block (51) is connected to the second sliding groove (131) in a sliding mode, and the butting block (51) is inserted into the second limiting groove (14); one end of the second spring (52) is fixedly connected to the bottom of the second sliding groove (131), the other end of the second spring is fixedly connected to the abutting block (51), an inclined surface is arranged on one side, close to the T-shaped block (21), of the abutting block (51), and the inclined surface of the abutting block (51) is arranged in an inclined mode from one side, close to the second spring (52), to one side, far away from the second spring (52); the connecting mechanism (5) further comprises a driving component (53) for fixing and driving the abutting block (51) to move.

7. A bending machine facilitating bending at different angles according to claim 6, wherein: cavity (132) have been seted up on fixed plate (13), drive assembly (53) include rotary rod (531), stay cord (532) and rotatory cap (533), rotary rod (531) rotate to be connected in the inside wall of cavity (132), and the one end of rotary rod (531) runs through the lateral wall that cavity (132) is located the outside of fixed plate (13), the one end fixed connection of stay cord (532) is in butt joint piece (51), and stay cord (532) other end runs through second spout (131) back fixed connection in rotary rod (531), rotatory cap (533) fixed connection is in the one end of rotary rod (531), and just rotatory cap (533) is located the outside of fixed plate (13).

8. Machine for facilitating the bending of different angles according to claim 7, characterized in that: and one side of the fixing plate (13) close to the upper die (2) is fixedly connected with a rubber ring (133).