CN220547497U - Shackle forging bending device - Google Patents

Abstract

The utility model discloses a shackle forging bending device. The shackle forging bending device comprises a positioning die and a step surface; the first movable block is used for being matched with the step surface to clamp one end of the shackle; a core block and a core block driving structure, wherein the core block is used as a bending supporting structure of the shackle; the second movable block and the second driving structure are used for matching with the step surface to form a correction interval with variable spacing; and the supporting arm bends the other end of the shackle to the correction interval.

Description

Shackle forging bending device

Technical Field

The application belongs to forging machine-shaping technical field, more specifically relates to a shackle forging bending apparatus.

Background

The shackle is a common connecting tool in industrial production, is mainly applied to various hoisting, transportation and installation operations, is produced and manufactured by adopting a forging process, at present, the forging production of the shackle generally adopts two processes, one process is to integrally form the shackle by adopting a square raw material covering a shackle projection surface, and then punch out an inner connecting skin and an outer flash to obtain a shackle forging finished product, wherein the process has low material utilization rate, has unsmooth shackle streamline and is easy to break and lose efficacy in early stage; the other is to adopt a bar stock with proper diameter, upsetting two ends and then forming into a straight blank, and finally adopting a process of bending by a bending die to obtain a finished product of the shackle forging, wherein the process has high material utilization rate and smooth streamline, the bending die in the prior art is used for bending the shackle blank by adopting a simple bending die with a shape similar to the shackle shape and a punch head, the die structure often causes abrasion to the outer side surface of the shackle during the bending, namely the initial contact part of the shackle surface and the upper opening of the bending die is ground, namely the roughening phenomenon commonly known in the industry is adopted, and the related part is polished after the bending is finished; meanwhile, after the shackle is bent and formed, the coaxiality of mounting holes machined at the two end parts of the shackle is poor, so that the safety connection of finished shackle products is affected, and as the simple bending die cannot be well positioned, the phenomenon of distortion and deformation of the shackle can occur in the bending process, the bending and forming effects of the shackle are affected, and the structural strength of the shackle is reduced; since the bending effect of the shackle is an important guarantee for safe production, it is necessary to solve the above-mentioned technical problems.

Disclosure of Invention

An aim of the embodiment of the application is to provide a shackle forging bending device to solve the technical problems that the coaxiality of mounting holes at two ends of a shackle is poor and the shackle is easy to distort and deform in the prior art.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: provided is a shackle forging bending apparatus including:

positioning a die to form a step surface;

the first driving structure is connected to the first movable block and used for driving the first movable block to approach or depart from the positioning die along a first direction, and the first movable block is used for being matched with the step surface to clamp one end of the shackle;

the core block and core block driving structure is connected with the core block and used for driving the core block to ascend or descend relative to the positioning die along a second direction, and the core block is used as a bending supporting structure of the shackle;

the second driving structure is connected with the second movable block and is used for driving the second movable block to approach or depart from the positioning die along a third direction so as to match with the step surface to form a correction interval with variable spacing;

the device comprises a support arm and a support arm driving structure, wherein one end of the support arm is connected with the support arm driving structure and moves along a semicircular moving path under the driving of the support arm driving structure, and the other end of the support arm is used for being abutted with the shackle and bending the other end of the shackle into the correction interval in the moving process of the support arm;

the first direction, the second direction and the third direction are perpendicular to each other.

Optionally, the support arm driving structure comprises a motor, a motor seat, a driving gear, a driven gear disc and a connecting column;

the motor is installed on the motor cabinet, the driving gear is installed on the power output shaft of the motor, the driven gear disk is meshed with the driving gear, one end of the connecting column is connected with the driven gear disk, and the other end of the connecting column is connected with the supporting arm.

Optionally, the shackle forging bending device further comprises an upper bedplate, a lower bedplate and an upright post;

the two ends of the upright post are respectively connected with the upper bedplate and the lower bedplate and are used for being supported between the upper bedplate and the lower bedplate so as to form an installation space between the upper bedplate and the lower bedplate;

the motor, the motor base, the driving gear and the driven gear disc are all installed in the installation space, and a semicircular groove for the connecting column to pass through and move is formed in the upper bedplate.

Optionally, the driven gear disc is rotatably connected to the upper platen;

the core block driving structure comprises a core block driving cylinder and a core block pull rod, wherein the core block pull rod penetrates through the center of the driven gear disc and two ends of the core block pull rod are respectively connected with the core block and the core block driving cylinder, and the core block pull rod is driven by the core block driving cylinder to move along the second direction.

Optionally, an auxiliary flat plate is stacked on one side of the upper platen, an arc-shaped groove corresponding to the semicircular groove is formed in the auxiliary flat plate, and one end, away from the connecting column, of the supporting arm is overlapped on the auxiliary flat plate.

Optionally, a side of the core block, which is close to the semicircular groove, is an arc-shaped structure coaxially arranged with the semicircular groove.

Optionally, one end of the supporting arm, which is used for being abutted with the shackle, is connected with a roller, and the supporting arm is abutted with the shackle through the roller.

Optionally, the surface of the roller is provided with a groove adapted to the shackle.

Optionally, the first driving structure includes a first cylinder, a first cylinder seat, and a first pull rod, the first cylinder is installed in the first cylinder seat, one end of the first pull rod is connected to the first cylinder, the other end is connected to the first movable block, and the first pull rod is driven by the first cylinder to move along the first direction.

Optionally, the second driving structure includes a second cylinder, a second cylinder seat and a second pull rod, the second cylinder is mounted on the second cylinder seat, one end of the second pull rod is connected to the second cylinder, the other end of the second pull rod is connected to the second movable block, and the second pull rod is driven by the second cylinder to move along the third direction.

The utility model provides a shackle forging bending apparatus's beneficial effect lies in: compared with the prior art, the shackle forging bending device comprises the positioning die and the first movable block which are matched with each other, the shackle to be bent can be clamped by the positioning die and the first movable block, and the situation that the shackle is distorted and deformed in the bending forming process is effectively avoided; the shackle bending device further comprises a supporting arm which is used for being abutted with the shackle and enabling the shackle to be bent and formed, the supporting arm is provided with a semicircular moving path, and the bending and forming effect of the shackle can be effectively guaranteed. In addition, the second movable block forms a correction interval with the positioning die under the drive of the second driving structure, after one end of the shackle, which is far away from the positioning die, is deformed to the correction interval through bending, the shackle can be further bent by moving the second movable block, so that the bending forming effect of the shackle is further improved, mounting holes with better coaxiality are conveniently processed at the two ends of the shackle, the shackle can be more safely used for connection, and rolling contact is realized between the roller and the surface of the shackle during bending by arranging the roller, so that the surface of the shackle is prevented from being worn out; in addition, the shackle forging bending device is convenient to use and simple to operate, greatly improves the shackle bending speed, improves the production efficiency and is far superior to the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a shackle forging bending apparatus according to an embodiment of the present application;

fig. 2 is a schematic diagram of the overall structure of the shackle forging bending apparatus according to the embodiment of the present application;

FIG. 3 is a side view of the overall structure of the shackle forging bending apparatus provided in an embodiment of the present application;

FIG. 4 is a schematic view of the cross-sectional structure in the direction A-A in FIG. 3;

fig. 5 is a schematic view of the shackle after bending;

wherein, each reference sign in the figure: 100. positioning a mold; 101. a step surface; 102. a through cavity; 200. a first movable block; 201. a first cylinder; 202. a first cylinder block; 203. a first pull rod; 300. a core block; 301. a core block driving cylinder; 302. a core block pull rod; 400. a second movable block; 401. a second cylinder; 402. a second cylinder block; 403. a second pull rod; 404. a correction section; 500. a support arm; 501. a motor; 502. a motor base; 503. a drive gear; 504. a driven gear plate; 505. a connecting column; 506. a roller; 600. a column; 601. an upper platen; 6011. a receiving chamber; 602. a lower platen; 611. a semicircular groove; 603. an auxiliary plate; 631. an arc-shaped groove; 604. an installation space; 700. shackle off; 800. and a bearing seat.

Description of the embodiments

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5 together, a description will now be given of a shackle forging bending apparatus according to an embodiment of the present application, where the shackle forging bending apparatus includes a positioning mold 100, a first movable block 200, a first driving structure, a core block 300, a core block driving structure, a second movable block 400, a second driving structure, a supporting arm 500, and a supporting arm driving structure. The positioning mold 100 forms a step surface 101, the step surface 101 is used for placing one end of the shackle 700, the first movable block 200 is connected to the first driving structure and is driven by the first driving structure to approach or separate from the positioning mold 100 along the first direction, in this embodiment, the first movable block 200 is used for matching with the step surface 101 of the positioning mold 100 to clamp one end of the shackle 700 blank forged into a straight shape, for example, after placing one end of the straight shackle 700 blank in the step surface 101, the first movable block 200 is close to the positioning mold 100 along the first direction and can be matched with the step surface 101 of the positioning mold 100 to form a groove similar to a U shape, so that a good clamping and fixing effect can be formed on one end of the straight shackle 700 blank, and the situation that the shackle 700 blank is distorted in the bending and forming process is avoided; after the shackle 700 is completely bent and formed, the first movable block 200 can be driven by the first driving structure to be far away from the core block 300 along the first direction, and the shackle 700 after being bent and formed can be conveniently taken out, so that the operation is very convenient.

The core block 300 is connected to a core block driving structure and the core block driving structure is used to drive the core block 300 to ascend or descend relative to the positioning mold 100 in the second direction, the core block 300 in this embodiment serves as a bending support structure of the shackle 700 to bend the shackle 700 through the abutment with the core block 300 and to bring both ends of the shackle 700 close to each other; in this embodiment, by setting the core driving structure connected with the core 300, the core 300 may be driven to rise up to the positioning mold 100 to a position corresponding to the core 700 along the second direction in the bending process of the core 300, or the core 300 may be driven to descend along the second square through the second driving structure after the bending process of the core 700 is finished, so that the bottom of the core 300 is lower than the core 700 on the positioning mold 100, so as to facilitate taking and placing the core 300, and with reference to fig. 4, a through cavity 102 is provided on the positioning mold 100, a receiving cavity 6011 is provided at the upper end of the upper platen 601 corresponding to the through cavity 102, the core 300 is displaced up and down in the through cavity 102 under the driving of the core driving structure, and when the core 300 descends, the lower end of the core 300 is located in the receiving cavity 6011, and at this time, the upper end surface of the core 300 is lower than the lowest position of the core 300.

The second movable block 400 is connected to the second driving structure, and the second driving structure is used for driving the second movable block 400 to approach or separate from the positioning mold 100 along the third direction so as to form a correction interval 404 with a variable interval in cooperation with the step surface 101, and the purpose of setting the correction interval 404 in this embodiment is that after one end of the shackle 700, which is far from the positioning mold 100, is bent to the correction interval 404, further bending and shaping can be performed on the shackle 700 by moving the second movable block 400; in this embodiment, one end of the supporting arm 500 is connected with the supporting arm driving structure, and is driven by the supporting arm driving structure to move along a semicircular moving path, and the other end of the supporting arm 500 is used to abut against the shackle 700 and bend the other end of the shackle 700 into the correction zone 404 during the movement of the supporting arm 500; since the supporting arm 500 has a semicircular moving path, a bending effect of the shackle 700 can be effectively ensured; in addition, the second movable block 400 forms a correction section 404 between the second movable block 400 and the positioning mold 100 under the driving of the second driving structure, after one end of the shackle 700 away from the positioning mold 100 reaches the correction section 404 through bending deformation, the shackle 700 can be further bent by moving the second movable block 400, specifically, the second movable block 400 is protruded to push the corresponding part of the shackle 700 to a side surface of the first movable block 200 away from the step surface 101, at this time, since the side of the first movable block 200 facing the step surface 101 is the other end of the shackle 700 and is limited by the step surface 101, the two ends of the shackle 700 after bending are clamped by the step surface 101, the first movable block 200 and the second movable block 400, and the shaping correction of the two ends of the shackle 700 is completed through the pressure of the second movable block 400, so that the bending forming effect of the shackle 700 is further improved, the distortion of the two ends of the shackle 700 is avoided, and the mounting holes with better coaxiality are conveniently processed at the two ends of the shackle 700, so that the shackle 700 can be used for connection more safely. In addition, the shackle forging bending device provided in the embodiment has the characteristics of convenient use and simple operation, can obviously improve the bending forming speed of the shackle 700, improves the production efficiency, and has the beneficial effects far superior to the prior art.

In this embodiment, the first direction, the second direction and the third direction are perpendicular to each other, so that overlapping or interference of movement tracks between structures can be effectively avoided, and stable operation of the shackle forging bending device is ensured.

In another embodiment of the present application, referring to fig. 1 to 5, the support arm driving structure includes a motor 501, a motor base 502, a driving gear 503, a driven gear disk 504, and a connecting post 505; the motor 501 is installed on the motor cabinet 502, and the driving gear 503 is installed on the power take off shaft of motor 501, and driven gear wheel disk 504 meshes in driving gear 503, and the one end of connecting post 505 is connected in driven gear wheel disk 504, and the other end of connecting post 505 is connected in support arm 500. In this embodiment, by disposing the connection post 505 on the driven gear disc 504, when the driven gear disc 504 rotates under the drive of the driving gear 503, the connection post 505 can have a semicircular moving path, and further the connection post 505 can drive the support arm 500 to form a semicircular moving path, which can be used to stably bend and deform the shackle 700 and is simple to operate.

In another embodiment of the present application, referring to fig. 1 to 5, the shackle forging bending apparatus further includes an upper platen 601, a lower platen 602, and a column 600; two ends of the column 600 are respectively connected to the upper platen 601 and the lower platen 602 and are used for supporting between the upper platen 601 and the lower platen 602 so that an installation space 604 is formed between the upper platen 601 and the lower platen 602; the motor 501, the motor base 502, the driving gear 503 and the driven gear disk 504 are all installed in the installation space 604, and the upper platen 601 is provided with a semicircular groove 611 through which the connection post 505 passes and moves. In this embodiment, the motor 501, the motor base 502, the driving gear 503 and the driven gear 504 are all installed in the installation space 604, so that on one hand, the space arrangement of the whole structure can be more reasonable; on the other hand, only a part of the connecting post 505 is protruded out of the installation space 604, so that the bending deformation of the shackle 700 can be prevented from being influenced by the structures such as the motor 501, the motor base 502, the driving gear 503, and the driven gear disk 504. In addition, in the present embodiment, the semicircular groove 611 is provided on the upper platen 601, and the rotation path of the connecting post 505 can be well defined by the semicircular groove 611, so that the rotation path of the supporting arm 500 is stably limited within the semicircular movement range, and the bending effect of the forging of the shackle 700 is ensured.

In another embodiment of the present application, referring to fig. 1 to 5, the driven gear 504 is rotatably connected to the upper platen 601; the pellet driving structure includes a pellet driving cylinder 301 and a pellet pull rod 302, the pellet pull rod 302 passing through the center of the driven gear plate 504 and having both ends respectively connected to the pellet 300 and the pellet driving cylinder 301, the pellet pull rod 302 being driven by the pellet driving cylinder 301 to move in the second direction. In this embodiment, the pellet 300 is stably moved in the second direction by driving the pellet pull rod 302 by the pellet driving cylinder 301 to drive the pellet 300. In addition, the core block pull rod 302 passes through the middle of the driven gear disc 504, so that the whole space occupation of the shackle forging bending device provided in the embodiment can be obviously reduced, and the transportation and the use are convenient. It will be appreciated that, since the driven gear plate 504 is mounted inside the mounting space 604, in this embodiment, the pellet driving cylinder 301 and at least a portion of the pellet pull rod 302 may be disposed inside the mounting space 604, so as to further fully utilize the mounting space 604 and reduce the overall structural size, and with reference to fig. 4, a hollow bearing block 800 is fixedly mounted at the lower end of the upper platen 601, the driven gear plate 504 is rotatably mounted on the bearing block 800 through a bearing, the upper end of the pellet pull rod 302 is connected to the bottom of the pellet 300 through the bearing block 800 and the upper platen 601, and the lower end of the pellet pull rod 302 is connected to the output end of the pellet driving cylinder 301.

In another embodiment of the present application, referring to fig. 1 to 5, an auxiliary plate 603 is stacked on one side of the upper platen 601, an arc slot 631 corresponding to the semicircular slot 611 is formed on the auxiliary plate 603, and an end of the support arm 500 away from the connection post 505 is overlapped on the auxiliary plate 603. In this embodiment, by arranging the auxiliary flat plate 603, the support can be formed on the end, far away from the connecting post 505, of the support arm 500 by the auxiliary flat plate 603, so that the stability of the support arm 500 in the moving process is further ensured, and the bending forming effect of the shackle 700 is better. In addition, the arc slot 631 provided on the auxiliary flat plate 603 can also avoid the influence of the auxiliary flat plate 603 on the moving process of the supporting arm 500.

In another embodiment of the present application, referring to fig. 1 to 5, the side of the core 300 near the semicircular groove 611 has an arc structure coaxially disposed with the semicircular groove 611. In this embodiment, by arranging the arc structure on the side of the core block 300 close to the semicircular groove 611, the shackle 700 can have more uniform bending transition in the bending process, so that the shackle 700 has better bending appearance and better structural strength, and in addition, the arc structure and the semicircular groove 611 are coaxially arranged, so that the core block 300 can assist the shackle 700 to bend, and the bending effect of the shackle 700 is further improved.

In another embodiment of the present application, referring to fig. 1 to 5 together, a roller 506 is connected to an end of a supporting arm 500 for abutting against a shackle 700, and the supporting arm 500 abuts against the shackle 700 through the roller 506. In the embodiment, the roller 506 is arranged at one end of the supporting arm 500, which is abutted against the shackle 700, so that sliding friction between the supporting arm 500 and the shackle 700 can be converted into rolling friction, and the shackle 700 is ensured to have good surface flatness after bending forming is finished; further, in another embodiment of the present application, referring to fig. 1 to 5, the surface of the roller 506 is provided with a groove adapted to the shackle 700, so that damage to the surface of the shackle 700 caused by the roller 506 can be further avoided, and the bending deformation of the shackle 700 can be more uniform due to the groove structure adapted to the shackle 700, so that good structural strength of the shackle is ensured.

In another embodiment of the present application, referring to fig. 1 to 5, the first driving structure includes a first cylinder 201, a first cylinder seat 202 and a first pull rod 203, the first cylinder 201 is installed on the first cylinder seat 202, one end of the first pull rod 203 is connected to the first cylinder 201, the other end is connected to the first movable block 200, and the first pull rod 203 is driven by the first cylinder 201 to move along the first direction. In this embodiment, the first cylinder 201 can efficiently and accurately drive the first pull rod 203 to move, so as to ensure that the first movable block 200 can stably move in the first direction. In another embodiment of the present application, referring to fig. 1 to 5, the second driving structure includes a second cylinder 401, a second cylinder seat 402, and a second pull rod 403, the second cylinder 401 is mounted on the second cylinder seat 402, one end of the second pull rod 403 is connected to the second cylinder 401, the other end is connected to the second movable block 400, and the second pull rod 403 is driven by the second cylinder 401 to move along the third direction. In this embodiment, the second cylinder 401 drives the second pull rod 403, so that the second movable block 400 can stably and efficiently move in the third direction, and the technical effects thereof are the same as those described in the previous embodiment and are not repeated.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims (10)

1. A shackle forging bending apparatus, comprising:

positioning a die (100) to form a step surface;

the first movable block (200) and a first driving structure are connected to the first movable block (200) and used for driving the first movable block (200) to approach or depart from the positioning die (100) along a first direction, and the first movable block (200) is used for being matched with the step surface to clamp one end of a shackle (700);

-a core (300) and a core drive structure connected to the core (300) for driving the core (300) up or down in a second direction relative to the positioning mould (100), the core (300) acting as a curved support structure for the shackle (700);

the second driving structure is connected to the second movable block (400) and used for driving the second movable block (400) to approach or depart from the positioning die (100) along a third direction so as to match the step surface to form a correction interval (404) with variable spacing;

the support arm (500) is connected with the support arm driving structure, one end of the support arm (500) is connected with the support arm driving structure and moves along a semicircular moving path under the driving of the support arm driving structure, and the other end of the support arm (500) is used for abutting against the shackle (700) and bending the other end of the shackle (700) into the correction section (404) in the moving process of the support arm (500);

the first direction, the second direction and the third direction are perpendicular to each other.

2. The shackle forging bending apparatus as recited in claim 1, wherein:

the support arm driving structure comprises a motor (501), a motor seat (502), a driving gear (503), a driven gear disc (504) and a connecting column (505);

the motor (501) is installed on the motor base (502), the driving gear (503) is installed on a power output shaft of the motor (501), the driven gear disc (504) is meshed with the driving gear (503), one end of the connecting column (505) is connected with the driven gear disc (504), and the other end of the connecting column (505) is connected with the supporting arm (500).

3. The shackle forging bending apparatus as recited in claim 2, wherein:

the shackle forging bending device further comprises an upper bedplate (601), a lower bedplate (602) and an upright post (600);

the two ends of the upright post (600) are respectively connected with the upper platen (601) and the lower platen (602) and are used for being supported between the upper platen (601) and the lower platen (602) so as to form an installation space (604) between the upper platen (601) and the lower platen (602);

the motor (501), the motor base (502), the driving gear (503) and the driven gear disc (504) are all installed inside the installation space (604), and the semicircular groove (611) for the connecting column (505) to pass through and move is formed in the upper platen (601).

4. A shackle forging bending apparatus as claimed in claim 3, wherein:

the driven gear plate (504) is rotatably connected to the upper platen (601);

the core block driving structure comprises a core block driving cylinder (301) and a core block pull rod (302), wherein the core block pull rod (302) penetrates through the center of the driven gear disc (504) and two ends of the core block pull rod are respectively connected with the core block (300) and the core block driving cylinder (301), and the core block pull rod (302) is driven by the core block driving cylinder (301) to move along the second direction.

5. A shackle forging bending apparatus as claimed in claim 3, wherein:

an auxiliary flat plate (603) is stacked on one side of the upper platen (601), an arc-shaped groove (631) corresponding to the semicircular groove (611) is formed in the auxiliary flat plate (603), and one end, far away from the connecting post (505), of the supporting arm (500) is lapped on the auxiliary flat plate (603).

6. The shackle forging bending apparatus as recited in claim 5, wherein:

the side of the core block (300) close to the semicircular groove (611) is of an arc-shaped structure coaxially arranged with the semicircular groove (611).

7. Shackle forging bending apparatus according to any of claims 1-6, characterized in that:

the support arm (500) is used for being connected with gyro wheel (506) with the one end of shackle (700) butt, support arm (500) pass through gyro wheel (506) with shackle (700) butt.

8. The shackle forging bending apparatus as recited in claim 7, wherein:

the surface of the roller (506) is provided with a groove adapted to the shackle (700).

9. The shackle forging bending apparatus as recited in claim 1, wherein:

the first driving structure comprises a first air cylinder (201), a first air cylinder seat (202) and a first pull rod (203), wherein the first air cylinder (201) is installed on the first air cylinder seat (202), one end of the first pull rod (203) is connected with the first air cylinder (201), the other end of the first pull rod is connected with the first movable block (200), and the first pull rod (203) is driven by the first air cylinder (201) to move along the first direction.

10. The shackle forging bending apparatus as recited in claim 1, wherein:

the second driving structure comprises a second air cylinder (401), a second air cylinder seat (402) and a second pull rod (403), wherein the second air cylinder (401) is installed on the second air cylinder seat (402), one end of the second pull rod (403) is connected with the second air cylinder (401), the other end of the second pull rod is connected with the second movable block (400), and the second pull rod (403) is driven by the second air cylinder (401) to move along the third direction.