Bending device for sectional material combined machining

Abstract

The utility model discloses a bending device for combined machining of section bars. The bending device comprises a machine frame, a traction mechanism located above the machine frame, a material conveying mechanism located at the starting end of the machine frame and a bending mechanism located at the tail end of the machine frame. The sectional material combined machining device is used for sectional material combined machining, the connecting rod drives the conveying frame to ascend and descend in a reciprocating mode, and sectional materials are intermittently conveyed forwards along the containing table. The clamping block and the positioning block clamp the profile, the material table drags the profile to move towards the tail end of the rack, and the end of the profile extends into the position between the bending die and the bending block and is adjusted to the proper extending length. The bending block and the bending die clamp the profile, the bottom plate rotates around the rotating shaft, and the bending block and the bending die generate torsion on the bottom plate, so that the profile is bent to form a certain angle. As the material conveying mechanism has the functions of material sorting and intermittent conveying, an operator only needs to feed materials on the placing table, manual intervention and adjustment are not needed in the machining period, the machining efficiency and precision are effectively improved, and the purpose of automatic machining is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of composite processing equipment for profiles, in particular to a bending device used for composite processing of profiles. Background Art

[0002] Aluminum profiles are widely used in various industries. Aluminum profiles with long straight structures are prepared by extruding aluminum bars. However, for some applications, aluminum profiles need to be bent to give them a unique shape. Therefore, bending devices must be equipped in the composite processing of profiles.

[0003] Patent No. ZL 202220968648.8 discloses an aluminum profile bending device, including a workbench, a rotating shaft is rotatably installed at the front end of the workbench through a bearing seat, a bending mechanism is fixed to the upper end of the rotating shaft, a hydraulic drive is provided at the lower end of the rotating shaft, and a placement table for limiting the tail of the aluminum profile is provided at the rear end of the bending mechanism. The placement table is slidably installed on the workbench, and the bending mechanism includes a guide block, the side end of the guide block is an arc-shaped connecting plane, a bottom clamping plate is formed at the lower end of the guide block, a clamping plate is provided opposite the plane side of the guide block, and an upper cover is installed on the top of the guide block. The upper cover has the same structure as the guide block, and a top clamping plate is formed on the top of the upper cover. The upper cover is slidably installed on the rotating shaft, and a screw rod is longitudinally penetrated and threadedly installed on the upper cover. The screw rod penetrates the guide block and is rotatably installed on the guide block, so that the profile can be bent so that the aluminum profile forms a unique shape. However, the structure mentioned in the above patent scheme is only suitable for manual feeding. The operator needs to fix the profile on the placement table, insert the profile after aligning it with the installation position of the bending mechanism, and then perform the corresponding bending operation, resulting in problems such as low processing efficiency and insufficient processing accuracy. Summary of the invention

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a bending device for composite processing of profiles.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A bending device for composite processing of profiles, comprising a frame, a traction mechanism located above the frame, a feeding mechanism located at the beginning of the frame, and a bending mechanism located at the end of the frame, characterized in that:

[0007] The traction mechanism includes a material table slidably connected to the frame, a positioning block and a clamping block arranged opposite to each other installed on the material table, and a clamping cylinder driving the clamping block to move toward the positioning block. The frame and the material table are respectively provided with guide rails and guide pulleys connected in a transmission manner, and the guide pulleys are rotatably connected to the traction motor;

[0008] The bending mechanism comprises a vertically mounted rotating shaft, the rotating shaft is rotatably connected to a bottom plate, the bottom plate is provided with a bending die sleeved on the outside of the rotating shaft, a bending block matched with the bending die, and a bending cylinder driving the bending block to move toward the bending die;

[0009] The feeding mechanism includes a horizontally arranged placing table, a feeding rack flush with the surface of the placing table, and a feeding motor driving the feeding rack to reciprocate and rise and fall. A connecting rod is rotatably connected between the feeding motor and the material rack. The surface of the material rack is provided with spaced-apart partitions, and the spacers are evenly arranged along the direction of the material rack.

[0010] Preferably, the bending die is of a P-shaped structure, including a rotating part sleeved with the rotating shaft, and an abutment part extending along the tangent direction of the rotating part, and the abutment part is in cooperative contact with the bending block.

[0011] Preferably, the bending die is provided with a guide groove, which is arranged around the outer side of the rotating part and extends toward the surface of the abutting part, and the bending block is provided with a bending positioning rib matching the guide groove.

[0012] Preferably, the bending mechanism includes a fixed seat slidably connected to the end of the frame, and a fixed cylinder driving the fixed seat to move toward the bending mold. The fixed seat is provided with a fixed block on the side facing the bending mold, and the fixed block and the bending block are arranged side by side.

[0013] Preferably, the fixed block is slidably connected to the fixed seat, the fixed seat is provided with an extrusion cylinder driving the fixed block to move toward the bending block, and the fixed block is provided with fixed guide ribs matching the guide grooves.

[0014] Preferably, the feeding mechanism includes a pushing platform vertically arranged with the feeding rack, a pushing block slidably connected to the pushing platform, and a pushing cylinder driving the pushing block to move toward the feeding rack. The interval between adjacent partition plates is a partition groove, and the pushing block corresponds to the position of the last partition groove of the feeding rack.

[0015] Preferably, the surface of the placing table is provided with a feeding block and a stopping block. The feeding block is located at the beginning of the placing table and is aligned with the first material spacing slot position of the feed rack. The stopping block is located at the end of the placing table and is aligned with the last material spacing slot position of the feed rack.

[0016] The utility model has the following beneficial effects:

[0017] The utility model is used for composite processing of profiles. First, the operator places the profile horizontally on the placement table, the feeding motor is started, and the feeding frame is driven to lift and lower reciprocate through the connecting rod. The feeding frame rotates eccentrically relative to the feeding motor, so that the profile is stuck between adjacent partition plates and is intermittently transported forward along the placement table. Then, the traction motor is started, the material table moves to the beginning of the frame, the clamping cylinder drives the clamping block to move toward the positioning block to clamp the profile, and the material table moves toward the end of the frame. At the same time, the profile is pulled forward so that its end extends between the bending mold and the bending block and is adjusted to a suitable extension length. Finally, the bending cylinder drives the bending block to move toward the bending mold to clamp the profile, and the bottom plate rotates around the rotating axis. The bending block and the bending mold generate torque on it, so that the profile is bent at a certain angle. In view of the fact that the feeding mechanism has the functions of material sorting and intermittent transportation, the operator only needs to feed the material on the placement table, and no human intervention and adjustment are required during processing, which effectively improves the processing efficiency and accuracy and achieves the purpose of automated processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the assembly of the bending device of the utility model

[0019] Figure 2 The state diagram of the bending mechanism of the utility model is shown in FIG. Figure 1

[0020] Figure 3 The state diagram of the bending mechanism of the utility model is shown in FIG. Figure 2

[0021] Figure 4 The schematic diagram of the structure of the bending mechanism of the utility model is

[0022] Figure 5 This is a structural diagram of the feeding mechanism of the utility model.

[0023] Description of the drawings: frame 1, material table 2, positioning block 3, clamping block 4, rotating shaft 5, bottom plate 6, bending mold 7, bending block 8, placement table 9, feed rack 10, feed motor 11, connecting rod 12, partition plate 13, rotating part 14, resistance part 15, guide groove 16, bending positioning rib 17, fixed seat 18, fixed block 19, fixed guide rib 20, pushing block 21, partition groove 22, feeding block 23, stop block 24. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figures 1 to 5 , an embodiment provided by the utility model:

[0026] A bending device for composite processing of profiles, comprising a frame 1, a traction mechanism located above the frame 1, a feeding mechanism located at the beginning of the frame 1, and a bending mechanism located at the end of the frame 1, characterized in that:

[0027] The traction mechanism includes a material table 2 slidably connected to the frame 1, the material table 2 is equipped with a positioning block 3 and a clamping block 4 arranged opposite to each other, and a clamping cylinder driving the clamping block 4 to move toward the positioning block 3. The frame 1 and the material table 2 are respectively provided with a guide rail and a guide pulley connected in a transmission manner, and the guide pulley is rotatably connected to a traction motor;

[0028] The bending mechanism includes a vertically mounted rotating shaft 5, the rotating shaft 5 is rotatably connected to a bottom plate 6, the bottom plate 6 is provided with a bending die 7 sleeved on the outside of the rotating shaft 5, a bending block 8 matched with the bending die 7, and a bending cylinder driving the bending block 8 to move toward the bending die 7;

[0029] The feeding mechanism includes a horizontally arranged placement table 9, a feeding rack 10 flush with the surface of the placement table 9, and a feeding motor 11 that drives the feeding rack 10 to reciprocate and rise and fall. A connecting rod 12 is rotatably connected between the feeding motor 11 and the material rack. The surface of the material rack is provided with spaced-apart partitions 13, and the partitions 13 are evenly arranged along the direction of the material rack.

[0030] The bending device includes a frame 1, a traction mechanism, a feeding mechanism, and a bending mechanism. The frame 1 is fixed, the traction mechanism is located above the frame 1, clamps and pulls the profile, the feeding mechanism is located at the beginning of the frame 1, sorts and transports the profile, and the bending mechanism is located at the end of the frame 1, bends the profile.

[0031] The traction mechanism includes a material table 2, a positioning block 3, a clamping block 4, a clamping cylinder, a guide rail, a guide pulley, and a traction motor. The material table 2 is slidably connected to the frame 1 and slides along the direction of the frame 1. The positioning block 3 and the clamping block 4 are arranged opposite to each other, the positioning block 3 is fixedly installed, and the clamping block 4 is slidably connected. Under the drive of the clamping cylinder, the clamping block 4 moves toward the positioning block 3, so that the profile is clamped between the two to fix the profile. The guide rail is installed on the frame 1 and arranged along the direction of the frame 1. The guide pulley is installed on the material table 2. The guide rail and the guide pulley are connected in transmission, which can be driven by meshing. The guide pulley is rotatably connected to the output end of the traction motor. Under the drive of the traction motor, the guide pulley meshes with the guide rail for transmission. The material table 2 moves along the direction of the frame 1 to pull the profile in the clamped state, and the profile moves from the beginning of the frame 1 to the end of the frame 1. The traction mechanism is aligned with the bending mechanism, which can be the alignment of the positioning block 3 and the bending die 7, to ensure that the profile can enter the traction mechanism and maintain a horizontal straight line. During the traction process, the end of the profile extends between the bending die 7 and the bending block 8. As the material table 2 moves, the end of the profile extends through the bending die 7 and extends out. According to actual processing needs, the extension length is adjusted to a suitable length to complete the profile traction process.

[0032] The bending mechanism includes a rotating shaft 5, a base plate 6, a bending die 7, a bending block 8, and a bending cylinder. The rotating shaft 5 is installed vertically and fixedly connected to the end of the frame 1. The base plate 6 is rotatably connected to the rotating shaft 5, and the bending die 7 is fixedly installed at one end of the base plate 6, sleeved on the outside of the rotating shaft 5, and rotatably connected to the rotating shaft 5. The bending die 7 rotates synchronously with the base plate 6. The bending block 8 is slidably connected to the other end of the base plate 6 and connected to the output end of the bending cylinder. Under the drive of the bending cylinder, the bending block 8 moves toward the bending die 7. The profile is clamped between the bending block 8 and the bending die 7, and the bending block 8 and the bending die 7 can be respectively provided with a parting surface matching the surface structure of the profile. During the bending process, after the end of the profile extends through the bending die 7, the bending block 8 moves toward the bending die 7 until the two are in contact with each other, the parting surfaces are interlocked with each other, and the side wall of the profile is pressed tightly to clamp the profile. Thereafter, the bottom plate 6 rotates around the rotating shaft 5, and the bending block 8 and the bending die 7 generate a torsional force on the profile, so that the profile is bent at a certain angle, thereby completing the profile bending process.

[0033] The feeding mechanism includes a placing table 9, a feeding frame 10, a feeding motor 11, a connecting rod 12, and a material separator 13. The placing table 9 is horizontally arranged, and the starting end of the placing table 9 is the feeding side. After the operator places the profile horizontally on the placing table 9, it can be transported by the feeding frame. The feeding frame 10 is movably arranged, flush with the surface of the placing table 9. The connecting rod 12 is located between the feeding motor 11 and the material frame. The two ends of the connecting rod 12 are rotatably connected to the feeding motor 11 and the material frame, so that an eccentric rotation is formed between the feeding frame 10 and the feeding motor 11. Driven by the feeding motor 11, the feeding frame 10 performs reciprocating lifting and lowering motion. Several material separators 13 are triangular structures, evenly arranged on the surface of the material frame, and are arranged at intervals. The interval between adjacent material separators 13 is a material separator 22. The width of the material separator 22 is greater than the width of the profile, and the profile is confined in the material separator 22. During the feeding process, the operator places the profile horizontally on the placement table 9, which can correspond to the position of the first material separation groove 22. After the feeding motor 11 is started, the feed frame 10 is driven to reciprocate and rise and fall through the connecting rod 12. Since the feed frame 10 is eccentrically rotated relative to the feeding motor 11, the reciprocating lifting trajectory of the feed frame 10 is circular. When the feed frame 10 rises to the highest point of the arc trajectory, the feed frame 10 is flush with the surface of the placement table 9, and the profile is clamped in the material separation groove 22; when the feed frame 10 moves forward along the arc trajectory, the profile is pushed forward a feeding distance, which can be equal to the width of the material separation plate 13. After the feeding and detour, the above process is repeated, so that the profile is intermittently transported forward along the placement table 9 until it is transported to the last material separation groove 22, during which the material sorting effect is achieved. Finally, the position of the conveyor rack 10 corresponds to that of the material platform 2, and the last partition groove 22 can be aligned with the positioning block 3, so that after the profile is transported to the last partition groove 22 of the conveyor rack 10, the positioning block 3 and the clamping block 4 of the material platform 2 can clamp it to complete the conveying process.

[0034] The utility model is used for composite processing of profiles. First, the operator places the profile horizontally on the placement table 9, and the feeding motor 11 is started. The feeding frame 10 is driven to lift and lower reciprocate through the connecting rod 12. The feeding frame 10 rotates eccentrically relative to the feeding motor 11, so that the profile is stuck between adjacent partition plates 13 and is intermittently transported forward along the placement table 9. Then, the traction motor is started, the material table 2 moves to the beginning of the frame 1, and the clamping cylinder drives the clamping block 4 to move toward the positioning block 3 to clamp the profile. The material table 2 moves toward the end of the frame 1, and at the same time, the profile is pulled forward so that its end extends between the bending die 7 and the bending block 8, and is adjusted to a suitable extension length. Finally, the bending cylinder drives the bending block 8 to move toward the bending die 7 to clamp the profile, and the bottom plate 6 rotates around the rotating shaft 5. The bending block 8 and the bending die 7 generate torque on it, so that the profile is bent at a certain angle. As the feeding mechanism has the functions of material sorting and intermittent conveying, the operator only needs to feed the materials on the placement table 9, and no human intervention or adjustment is required during processing, which effectively improves the processing efficiency and accuracy and realizes the purpose of automated processing.

[0035] In this embodiment, preferably, the bending die 7 has a P-shaped structure, including a rotating portion 14 sleeved with the rotating shaft 5, and a resistance portion 15 extending along the tangent direction of the rotating portion 14, and the resistance portion 15 is in contact with the bending block 8.

[0036] The bending die 7 has a P-shaped structure. One end of the bending die 7 is a rotating part 14. The rotating part 14 is a circular ring structure. The rotating part 14 is sleeved with the rotating shaft 5, and the two are rotatably connected. The other end of the bending die 7 is a contact part 15. The contact part 15 is a horizontal structure. The contact part 15 can be integrally arranged with the rotating part 14, extending along the tangent direction of the rotating part 14, and cooperating with the bending block 8. The contact part 15 and the bending block 8 are respectively provided with parting surfaces matching the surface structure of the profile. The bending block 8 moves toward the contact part 15 until the two are in contact, the parting surfaces are interlocked with each other, and are pressed against the side wall of the profile to clamp the profile. In order to improve the positioning accuracy, the contact part 15 is aligned with the positioning block 3. During the traction process, the profile enters the traction mechanism in a horizontal straight line state and fits with the parting surface of the contact part 15 to ensure that the bending angle of the profile is consistent with the rotation angle of the bending die 7.

[0037] In this embodiment, preferably, the bending die 7 is provided with a guide groove 16 , which is arranged around the outer side of the rotating portion 14 and extends toward the surface of the abutment portion 15 , and the bending block 8 is provided with a bending positioning rib 17 matching the guide groove 16 .

[0038] The guide groove 16 is provided on the outside of the bending die 7, and may be a square groove or a trapezoidal groove structure. The guide groove 16 is arranged horizontally, and one end of the guide groove 16 is arranged around the outside of the rotating part 14, and the other end of the guide groove 16 extends toward the surface of the abutment part 15. The bending positioning rib 17 is arranged on the surface of the bending block 8, and is arranged toward the side of the abutment part 15, and matches the shape and position of the guide groove 16. The bending positioning rib 17 and the guide groove 16 are mutually engaged, and the bending positioning rib 17 may correspond to the position of the guide groove 16 located at the abutment part 15. The guide groove 16 provides a positioning function for the bending positioning rib 17, and provides positioning accuracy for both when the bending block 8 and the abutment part 15 are docked.

[0039] In this embodiment, preferably, the bending mechanism includes a fixed seat 18 slidably connected to the end of the frame 1, and a fixed cylinder driving the fixed seat 18 to move toward the bending mold 7. The fixed seat 18 is provided with a fixed block 19 on the side facing the bending mold 7, and the fixed block 19 is arranged side by side with the bending block 8.

[0040] The fixed seat 18 is slidably connected to the end of the frame 1 and slides along the direction of the bending die 7. The fixed seat 18 is connected to the output end of the fixed cylinder. The fixed seat 18 is installed with a fixed block 19. The fixed block 19 is located on the side facing the bending die 7 and is arranged side by side with the bending block 8. The bending block 8 can correspond to the position of the resistance part 15, and the fixed block 19 corresponds to the position of the rotating part 14. The fixed block 19 is provided with a parting surface that matches the surface structure of the profile and is connected with the parting surface of the bending block 8. Driven by the fixed cylinder, the fixed seat 18 moves toward the bending die 7, driving the fixed block 19 to approach the rotating part 14. During the bending process, after the end of the profile extends through the bending die 7, the bending block 8 docks with the resistance part 15, and the fixed block 19 docks with the rotating part 14, so as to clamp the profile and improve the clamping stability.

[0041] In this embodiment, preferably, the fixed block 19 is slidably connected to the fixed seat 18 , the fixed seat 18 is provided with an extrusion cylinder driving the fixed block 19 to move toward the bending block 8 , and the fixed block 19 is provided with a fixed guide rib 20 matching the guide groove 16 .

[0042] The fixed block 19 is slidably connected to the fixed seat 18. The fixed block 19 may be provided with a sliding portion on the side facing the fixed seat 18. The sliding portion is embedded in the fixed seat 18 and is slidably connected to the fixed seat 18, sliding along the direction of the bending block 8. The sliding portion is connected to the output end of the extrusion cylinder. Under the drive of the extrusion cylinder, the fixed block 19 moves toward the bending block 8. The fixed guide rib 20 is provided on the surface of the fixed block 19, and is provided toward the side of the rotating part 14. The shape and position of the guide groove 16 match. The fixed guide rib 20 and the guide groove 16 are mutually engaged. The fixed guide rib 20 and the guide groove 16 located on the rotating part 14 correspond in position. The fixed guide rib 20 can slide along the guide groove 16. The guide groove 16 provides a guiding function for the fixed guide rib 20. When the fixed block 19 and the rotating part 14 are docked, the positioning accuracy of the two is provided. During the bending process, after the end of the profile extends through the bending die 7, the bending block 8 docks with the abutment portion 15, and the fixed block 19 docks with the rotating portion 14. At this time, the bending block 8 and the abutment portion 15 clamp the profile. Thereafter, the bottom plate 6 rotates around the rotating shaft 5, and the bending block 8 and the bending die 7 generate a torsion force on the profile, so that the profile is bent at a certain angle. Since the profile is processed from a straight line to an arc when it is bent, it is necessary to supplement the material when plastic deformation occurs and provide a stroke compensation amount, otherwise it will affect the bending size of the profile. Specifically, when the bottom plate 6 rotates around the rotating shaft 5, the material table 2 moves synchronously toward the end of the frame 1, and the moving distance is the stroke compensation amount, which can be adjusted according to the bending angle. At the same time, the fixed block 19 moves toward the bending block 8, and the fixed guide rib 20 is slidably connected with the guide groove 16. At this time, the fixed block 19 and the rotating portion 14 fix the profile and improve the processing stability.

[0043] In this embodiment, as a preference, the feeding mechanism includes a pushing platform vertically arranged with respect to the feeding rack 10, a pushing block 21 slidably connected to the pushing platform, and a pushing cylinder driving the pushing block 21 to move toward the feeding rack 10. The interval between adjacent partition plates 13 is a partition groove 22, and the pushing block 21 corresponds to the position of the last partition groove 22 of the feeding rack 10.

[0044] The pushing platform is vertically arranged with the feeding rack 10, and the pushing platform can be fixedly connected to the outside of the placing table 9, and the pushing platform is flush with the surface of the placing table 9. The pushing block 21 is located on the surface of the pushing platform, and is slidably connected with the pushing platform, sliding along the direction of the feeding rack 10. The pushing block 21 is connected to the output end of the pushing cylinder, and the pushing cylinder can have a pushing surface that matches the end surface structure of the profile to improve the pushing stability. A plurality of partition grooves 22 are arranged on the surface of the feeding rack 10. The partition grooves 22 are formed by the intervals between adjacent partition plates 13. The partition grooves 22 are arranged at intervals and evenly distributed along the direction of the feeding rack 10. The first partition groove 22 of the feeding rack 10 is located at the beginning of the placing table 9, and the last partition groove 22 of the feeding rack 10 is located at the end of the placing table 9. The pushing block 21 corresponds to the position of the last partition groove 22. Driven by the pushing cylinder, the pushing block 21 moves toward the feeding frame 10 , abuts against and pushes the profile located in the last partition groove 22 , so that the profile enters the traction mechanism.

[0045] In this embodiment, preferably, a feeding block 23 and a stopping block 24 are provided on the surface of the placing table 9. The feeding block 23 is located at the beginning of the placing table 9 and is aligned with the first partition groove 22 of the feed rack 10. The stopping block 24 is located at the end of the placing table 9 and is aligned with the last partition groove 22 of the feed rack 10.

[0046] The feeding block 23 and the stop block 24 are installed on the surface of the placing table 9. The feeding block 23 is located at the beginning of the placing table 9 and is aligned with the first material separation groove 22 of the feeding rack 10. The contact surface of the feeding block 23 can be aligned with the end surface of the first material separation groove 22 close to the beginning of the placing table 9. When feeding, the operator only needs to move the profile closer to the contact surface of the material block to align the first material separation groove 22, making the operation simpler and more convenient. The stop block 24 is located at the end of the placing table 9 and is aligned with the last material separation groove 22 of the feeding rack 10. The contact surface of the feeding rack 10 can be aligned with the end surface of the last material separation groove 22 close to the end of the placing table 9. After the profile is transported by the feeding rack 10, it can be aligned with the traction mechanism, and the traction mechanism is aligned for clamping to improve positioning accuracy.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bending device for composite processing of profiles, comprising a frame, a traction mechanism located above the frame, a feeding mechanism located at the beginning of the frame, and a bending mechanism located at the end of the frame, characterized in that: The traction mechanism includes a material table slidably connected to the frame, a positioning block and a clamping block arranged opposite to each other installed on the material table, and a clamping cylinder driving the clamping block to move toward the positioning block. The frame and the material table are respectively provided with guide rails and guide pulleys connected in a transmission manner, and the guide pulleys are rotatably connected to the traction motor; The bending mechanism comprises a vertically mounted rotating shaft, the rotating shaft is rotatably connected to a bottom plate, the bottom plate is provided with a bending die sleeved on the outside of the rotating shaft, a bending block matched with the bending die, and a bending cylinder driving the bending block to move toward the bending die; The feeding mechanism includes a horizontally arranged placing table, a feeding rack flush with the surface of the placing table, and a feeding motor driving the feeding rack to reciprocate and rise and fall. A connecting rod is rotatably connected between the feeding motor and the material rack. The surface of the material rack is provided with spaced-apart partitions, and the spacers are evenly arranged along the direction of the material rack.

2. A bending device for composite processing of profiles according to claim 1, characterized in that: The bending die is in a P-shaped structure, comprising a rotating part sleeved with the rotating shaft, and a resisting part extending along the tangent direction of the rotating part, wherein the resisting part is in cooperative contact with the bending block.

3. A bending device for composite processing of profiles according to claim 2, characterized in that: The bending die is provided with a guide groove, which is arranged around the outer side of the rotating part and extends toward the surface of the abutting part, and the bending block is provided with a bending positioning rib matching the guide groove.

4. A bending device for composite processing of profiles according to claim 3, characterized in that: The bending mechanism includes a fixed seat slidably connected to the end of the frame, and a fixed cylinder driving the fixed seat to move toward the bending mold. The fixed seat is provided with a fixed block on the side facing the bending mold, and the fixed block and the bending block are arranged side by side.

5. A bending device for composite processing of profiles according to claim 4, characterized in that: The fixed block is slidably connected to the fixed seat, the fixed seat is provided with an extrusion cylinder driving the fixed block to move toward the bending block, and the fixed block is provided with a fixed guide rib matching the guide groove.

6. A bending device for composite processing of profiles according to claim 1, characterized in that: The feeding mechanism includes a pushing platform vertically arranged with the feeding rack, a pushing block slidably connected with the pushing platform, and a pushing cylinder driving the pushing block to move toward the feeding rack. The interval between adjacent partition plates is a partition groove, and the pushing block corresponds to the position of the last partition groove of the feeding rack.

7. A bending device for composite processing of profiles according to claim 6, characterized in that: The surface of the placing table is provided with a feeding block and a stopping block. The feeding block is located at the beginning of the placing table and is aligned with the first material spacing slot position of the feeding rack. The stopping block is located at the end of the placing table and is aligned with the last material spacing slot position of the feeding rack.

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