Special-shaped profile bending forming device assisted by electric pulse

By setting limiting parts and stabilizing parts in the driving mechanism of the special-shaped profile bending forming device, and using the PLC controller to realize the pulse feed of the rack, the problems of rack offset and shaking are solved, and the processing accuracy and efficiency are improved.

CN222767040UActive Publication Date: 2025-04-18CHANGCHUN INTER CITY RAILWAY VEHICLE ACCESSORIES
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Patent Information

Application Number
CN202421566650.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-04-18
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

During the bending process of special-shaped profiles, the rack is prone to shift and shake due to its own length and weight, resulting in poor driving stability and affecting processing accuracy and efficiency.

Method used

By providing limiting parts and stabilizers in the drive mechanism, ensure that the rack remains stable during movement and prevents shaking. At the same time, the PLC controller is used to realize the pulse feed of the rack, improving driving accuracy and efficiency.

Benefits of technology

It effectively prevents the rack from shifting and shaking during the travel process, improves the driving stability of the rack to the gear, and improves the accuracy and efficiency of special profile processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electric pulse auxiliary special-shaped profile bending forming device which comprises an installation box body and a driving mechanism, the driving mechanism is used for providing driving force in the special-shaped profile bending process, a fixing seat is fixedly connected in the installation box body, a first hydraulic cylinder is fixedly connected in the fixing seat, and a second hydraulic cylinder is fixedly connected in the first hydraulic cylinder. The rack is fixedly connected with the output end of the first hydraulic cylinder, the gear is connected with the rack in a meshed mode, the limiting piece is used for limiting movement of the rack, the stabilizing piece reduces shaking of the rack in the moving process, and when the output end of the first hydraulic cylinder drives the rack to transversely move to drive the gear to rotate, the gear is driven by the stabilizing piece to rotate. The limiting piece is installed on the outer wall of the rack and used in cooperation with the stabilizing piece to prevent the rack from shaking in the advancing process, pulse type feeding of the rack on the first hydraulic cylinder is achieved through the PLC, and the precision and efficiency during profiled bar machining are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of armrest tables, in particular to an electric pulse assisted special-shaped profile bending and forming device. Background Art

[0002] Electric pulse feeding refers to the technology of controlling and operating equipment or materials by means of electric pulses. Electric pulse feeding technology has a wide range of application prospects. It achieves effective control and optimization of various equipment and materials by precisely controlling the parameters of electric pulses (such as frequency, amplitude, width, etc.). Whether it is mechanical processing, medical equipment or industrial automation, electric pulse feeding plays an important role.

[0003] Among them, when using electric pulse technology to bend special-shaped materials, the pulse represents the command feed amount of the workbench, and its number, frequency and direction respectively determine the feed speed, speed and direction of the workbench. This technology makes mechanical processing more precise and efficient. The rack is driven by the hydraulic system to move horizontally, and the rack drives the gear to rotate to realize transmission, and then drives the mold to rotate to complete the bending process of the special-shaped materials. In the actual production process, since the driving rack itself is relatively long, under the influence of its own weight, when the rack moves, the end of the rack away from the hydraulic cylinder will deviate from the center line position, and even shake, affecting the driving stability of the rack to the gear. Therefore, we propose an electric pulse assisted special-shaped profile bending forming device. Utility Model Content

[0004] The purpose of the utility model is to provide an electric pulse assisted special-shaped profile bending and forming device, which, through the setting of limiters and stabilizers, allows the rack to move horizontally stably, thereby improving the driving stability of the rack on the gear.

[0005] The utility model provides an electric pulse assisted special-shaped profile bending forming device, comprising:

[0006] Install the box;

[0007] A driving mechanism, which is used to provide driving force during the bending process of the profiled material;

[0008] The driving mechanism includes a fixed seat, a first hydraulic cylinder, a rack, a gear, a limiter and a stabilizing member;

[0009] The fixed seat is fixedly connected in the mounting box, the first hydraulic cylinder is fixedly connected in the fixed seat, the rack and the output end of the first hydraulic cylinder are fixedly connected, the first hydraulic cylinder is electrically connected to an external PLC controller, and the first hydraulic cylinder is controlled by the PLC controller to drive the rack to feed in a pulsed manner, the gear and the rack are meshingly connected, the limit member is used to limit the movement of the rack, and the stabilizing member reduces the shaking of the rack during movement.

[0010] Preferably, the limiting member includes a bearing frame, a limiting wheel, and a rotating shaft;

[0011] The support frame is fixedly connected to the installation box, the limiting wheel is rotatably connected to the support frame via the rotating shaft, and the groove of the limiting wheel limits the rack during movement.

[0012] Preferably, the stabilizing member comprises a bracket and a sheave;

[0013] The bracket is fixedly connected to the mounting box, the groove wheel is rotatably connected to the bracket, and the groove wheel is clamped at the end of the rack away from the first hydraulic cylinder through a groove, thereby reducing the shaking of the rack during its movement.

[0014] Preferably, a forming mechanism is provided in the installation box, and the forming mechanism is used to bend the profiled material;

[0015] The forming mechanism comprises a supporting shaft, a bearing seat, a mounting plate, a forming part and a fixing part;

[0016] The support shaft is rotatably connected to the mounting box through the bearing seat, the support shaft is fixedly connected to the gear, the mounting plate is fixedly connected to the support shaft, the molded part is used for bending special-shaped materials, and the fixing part is used to increase the stability of the molded part when it is used.

[0017] Preferably, the molded part includes a molding die and a screw;

[0018] The forming mold is connected to the mounting plate via the screw rod, and the forming mold is sleeve-connected to the supporting shaft. The forming mold is rotated to drive the special-shaped material embedded in the limiting groove of the forming mold to bend.

[0019] Preferably, the fixing member comprises a mounting cap and a connecting rod;

[0020] The mounting cap is connected to the supporting shaft via the connecting rod, and the bottom of the mounting cap is tightly pressed against the forming mold.

[0021] Preferably, the installation box is provided with an ejection mechanism, and the ejection mechanism is used to push the profile material to be fed;

[0022] The ejection mechanism comprises a frame, a transverse slide rail, a longitudinal slide rail, a linear motor, a second hydraulic cylinder and an ejection plate;

[0023] The frame is fixedly connected to the mounting box, the transverse slide rail is fixedly connected to the frame, the longitudinal slide rail is installed on the transverse slide rail through the linear motor, the second hydraulic cylinder is fixedly connected to the longitudinal slide rail, the top plate is fixedly connected to the output end of the second hydraulic cylinder, and the output end of the second hydraulic cylinder pushes the profiled material to be fed through the top plate.

[0024] Preferably, the installation box is provided with an auxiliary bending component, and the auxiliary bending component is used to promote the deformation of the profiled material;

[0025] The auxiliary bending assembly includes a load-bearing frame, a fixed arm and a rotating arm;

[0026] The bearing frame is fixedly connected to the installation box, the fixed arm is used to limit the feeding direction of the profiled material, and the rotating arm is used to push the profiled material to bend.

[0027] Preferably, the fixed arm comprises a first telescopic member, a connecting plate and a clamping plate;

[0028] The first telescopic member is fixedly connected to the bearing frame, the connecting plate is fixedly connected to the output end of the first telescopic member, the clip plate is fixedly connected to the connecting plate, and the clip plate is attached to the side wall of the profile to limit the feeding direction of the profile.

[0029] Preferably, the rotating arm comprises a second telescopic member, a mounting plate and a push plate;

[0030] The second telescopic member is fixedly connected to the bearing frame, the mounting plate is fixedly connected to the output end of the second telescopic member, the push plate is fixedly connected to the mounting plate, and the output end of the second telescopic member drives the push plate to move horizontally and push the profile to bend.

[0031] The utility model provides an electric pulse assisted special-shaped profile bending forming device through improvement, which has the following improvements and advantages compared with the prior art:

[0032] Through the coordinated use of the fixed seat, the first hydraulic cylinder, the rack, the limiter and the stabilizer, when the output end of the first hydraulic cylinder drives the rack to move laterally and drive the gear to rotate, the limiter is installed on the outer wall of the rack, and the stabilizer is used to prevent the rack from shaking during its movement. The rack on the first hydraulic cylinder is pulsed fed through the PLC controller to improve the accuracy and efficiency of processing special-shaped materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0034] Figure 1 It is a schematic diagram of the structure of the utility model;

[0035] Figure 2 It is a schematic diagram of the structure of the fixed seat, the first hydraulic cylinder and the rack in the utility model;

[0036] Figure 3 It is a schematic diagram of the structure of the rack, gear and first hydraulic cylinder in the utility model;

[0037] Figure 4 It is a schematic diagram of the structure of the rack, the bearing frame and the limiting wheel in the utility model;

[0038] Figure 5 It is a structural schematic diagram of the load-bearing frame, the limiting wheel and the rotating shaft in the utility model;

[0039] Figure 6 This is a schematic diagram of the structure of the support foot and the groove wheel in the utility model;

[0040] Figure 7 It is a structural schematic diagram of the forming mold, the mounting shell and the rotating arm in the utility model;

[0041] Figure 8 It is a structural schematic diagram of the load-bearing frame, the first telescopic member and the second telescopic member in the utility model;

[0042] Fig. 9 It is a schematic diagram of the structure of the transverse slide rail, the longitudinal slide rail and the linear motor in the utility model;

[0043] Fig.10 It is a structural schematic diagram of the forming die, screw and bearing seat in the utility model;

[0044] Fig.11 It is a structural schematic diagram of the mounting cap, the connecting rod and the forming mold in the utility model.

[0045] Description of reference numerals:

[0046] 1-installation box, 2-driving mechanism, 21-fixed seat, 22-first hydraulic cylinder, 23-rack, 24-gear, 25-limiting member, 251-carrying frame, 252-limiting wheel, 253-rotating shaft, 26-stabilizing member, 261-bracket, 262-groove wheel, 3-molding mechanism, 31-support shaft, 32-bearing seat, 33-installation plate, 34-molding member, 341-molding mold, 342-screw, 35-fixing member , 351-mounting cap, 352-connecting rod, 4-ejection mechanism, 41-frame, 42 transverse slide rail, 43-longitudinal slide rail, 44-linear motor, 45-second hydraulic cylinder, 46-top plate, 5-auxiliary bending assembly, 51-bearing frame, 52-fixed arm, 521-first telescopic member, 522-connecting plate, 523-card strip plate, 53-rotating arm, 531-second telescopic member, 532-mounting plate, 533-push plate. DETAILED DESCRIPTION

[0047] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0048] In the description of the present invention, it should be understood that the terms "center" - "longitudinal" - "lateral" - "length" - "width" - "thickness" - "up" - "down" - "front" - "back" - "left" - "right" - "vertical" - "horizontal" - "top" - "bottom" - "inside" - "outside" - "clockwise" - "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation - be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0049] In the description of the present utility model, it should be understood that the terms "first"-"second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first"-"second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed"-"connected"-"connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0050] In this embodiment, if Figure 1 and Figure 2 As shown, an electric pulse assisted special-shaped profile bending and forming device includes an installation box 1 and a driving mechanism 2. The driving mechanism 2 is used to provide driving force during the bending process of the special-shaped profile. The driving mechanism 2 includes a fixed seat 21, a first hydraulic cylinder 22, a rack 23, a gear 24, a limiter 25 and a stabilizer 26. The fixed seat 21 is fixedly connected in the installation box 1, the first hydraulic cylinder 22 is fixedly connected in the fixed seat 21, the rack 23 and the output end of the first hydraulic cylinder 22 are fixedly connected, the first hydraulic cylinder 22 is electrically connected to an external PLC controller, the first hydraulic cylinder 22 is controlled by the PLC controller to drive the rack 23 to feed in a pulsed manner, the gear 24 and the rack 23 are meshed and connected, the limiter 25 is used to limit the movement of the rack 23, and the stabilizer 26 reduces the shaking of the rack 23 during movement.

[0051] Furthermore, the first hydraulic cylinder 22 is installed inside the mounting box 1 through the fixing seat 21, and the output end of the first hydraulic cylinder 22 drives the rack 23 to move laterally to drive the gear 24 to rotate. The limiter 25 is installed on the outer wall of the rack 23, and the stabilizing member 26 is used to prevent the rack 23 from shaking during the movement. The external PLC controller is used to control the start of the first hydraulic cylinder 22. The model of the PLC controller is S7-200, and the rack 23 on the first hydraulic cylinder 22 is pulsed fed through the PLC controller.

[0052] In some embodiments, Figure 2 , Figure 3 and Figure 5 As shown, the limiting member 25 includes a supporting frame 251, a limiting wheel 252, and a rotating shaft 253. The supporting frame 251 is fixedly connected to the installation box 1, and the limiting wheel 252 is rotatably connected to the supporting frame 251 through the rotating shaft 253. The groove of the limiting wheel 252 limits the rack 23 when moving.

[0053] Furthermore, a groove is provided on the limiting wheel 252 to constrain the movement of the rack 23, and the supporting frame 251 supports the limiting wheel 252. The limiting wheel 252 rotates in the supporting frame 251 through the rotating shaft 253. Two limiting wheels 252 are provided, and the rack 23 needs to pass through the gap between the limiting wheel 252 and the supporting frame 251 when moving.

[0054] In some embodiments, Figure 4 and Figure 6 As shown, the stabilizing member 26 includes a bracket 261 and a groove wheel 262. The bracket 261 is fixedly connected to the mounting box 1, and the groove wheel 262 is rotatably connected to the bracket 261. The groove wheel 262 is clamped in the end of the rack 23 away from the first hydraulic cylinder 22 through a groove, thereby reducing the shaking of the rack 23 during movement.

[0055] Furthermore, the bracket 261 is disposed at one end of the rack 23 away from the first hydraulic cylinder 22 , and the groove wheel 262 performs secondary constraints on the rack 23 , thereby ensuring the stability of the rack 23 during its movement.

[0056] In some embodiments, Figure 1 As shown, a forming mechanism 3 is provided in the installation box 1, and the forming mechanism 3 is used to bend the special-shaped material. The forming mechanism 3 includes a support shaft 31, a bearing seat 32, a mounting plate 33, a forming member 34 and a fixing member 35. The support shaft 31 is rotatably connected to the installation box 1 through the bearing seat 32, the support shaft 31 is fixedly connected to the gear 24, the mounting plate 33 is fixedly connected to the support shaft 31, the forming member 34 is used for bending the special-shaped material, and the fixing member 35 is used to increase the stability of the forming member 34 when it is used.

[0057] Furthermore, two bearing seats 32 are provided on the outer wall of the support shaft 31 , and the support shaft 31 rotates in the bearing seats 32 through bearings. An internal threaded hole is opened in the mounting plate 33 , and the molded part 34 is fixed on the support shaft 31 through a fixing part 35 .

[0058] In some embodiments, Fig.10 and Fig.11 As shown, the forming part 34 includes a forming mold 341 and a screw 342. The forming mold 341 is connected to the mounting plate 33 through the screw 342. The forming mold 341 is sleeved and connected to the support shaft 31. The forming mold 341 rotates to drive the special-shaped material embedded in the limiting groove of the forming mold 341 to bend.

[0059] Furthermore, the forming die 341 is processed with a groove that matches the profile, and three screws 342 are provided to ensure the connection strength between the forming die 341 and the mounting plate 33.

[0060] In some embodiments, Fig.10and Fig.11 As shown, the fixing member 35 includes a mounting cap 351 and a connecting rod 352 . The mounting cap 351 is connected to the support shaft 31 via the connecting rod 352 . The bottom of the mounting cap 351 is tightly pressed against the molding die 341 .

[0061] Furthermore, the mounting cap 351 is sleeved on the top end of the support shaft 31 , and the connecting rod 352 is processed with grinding grooves. The connecting rod 352 fixes the mounting cap 351 on the support shaft 31 , and then the mounting cap 351 presses against the molding die 341 .

[0062] In some embodiments, Figure 1 , Figure 7 and Fig. 9 As shown, an ejection mechanism 4 is provided on the installation box 1, and the ejection mechanism 4 is used to push the feeding of the profiled material. The ejection mechanism 4 includes a frame 41, a transverse slide rail 42, a longitudinal slide rail 43, a linear motor 44, a second hydraulic cylinder 45 and a top plate 46. The frame 41 is fixedly connected to the installation box 1, the transverse slide rail 42 is fixedly connected to the frame 41, the longitudinal slide rail 43 is installed on the transverse slide rail 42 through the linear motor 44, the second hydraulic cylinder 45 is fixedly connected to the longitudinal slide rail 43, and the top plate 46 is fixedly connected to the output end of the second hydraulic cylinder 45. The output end of the second hydraulic cylinder 45 pushes the feeding of the profiled material through the top plate 46.

[0063] Furthermore, the frame 41 is used to support the transverse slide rail 42, and the linear motor 44 drives the longitudinal track 43 to move laterally on the top of the transverse track 42. The model of the linear motor 44 is: DX30B-C1. The output end of the second hydraulic cylinder 45 can drive the top plate 46 to move, and the top plate 46 pushes the profiled material to be fed.

[0064] In some embodiments, Figure 1 and Figure 8 As shown, an auxiliary bending assembly 5 is provided on the installation box 1, and the auxiliary bending assembly 5 is used to promote the deformation of the special-shaped material. The auxiliary bending assembly 5 includes a load-bearing frame 51, a fixed arm 52 and a rotating arm 53. The load-bearing frame 51 is fixedly connected to the installation box 1, the fixed arm 52 is used to limit the feeding direction of the special-shaped material, and the rotating arm 53 is used to promote the bending of the special-shaped material.

[0065] Furthermore, the bearing frame 51 is welded on the installation box 1 , and the bearing frame 51 supports the fixed arm 52 and the rotating arm 53 .

[0066] In some embodiments, Figure 1 and Figure 8As shown, the fixed arm 52 includes a first telescopic member 521, a connecting plate 522 and a clamping plate 523. The first telescopic member 521 is fixedly connected to the supporting frame 51, the connecting plate 522 is fixedly connected to the output end of the first telescopic member 521, the clamping plate 523 is fixedly connected to the connecting plate 522, and the clamping plate 523 is attached to the side wall of the profiled material to limit the feeding direction of the profiled material.

[0067] Furthermore, the first telescopic member 521 is connected to the connecting plate 522 and the clamping plate 523 , and the clamping plate 523 is arranged in parallel on the outer side of the profiled material to ensure the stability of the feeding of the profiled material.

[0068] In some embodiments, Figure 1 and Figure 8 As shown, the rotating arm 53 includes a second telescopic member 531, a mounting plate 532 and a push plate 533. The second telescopic member 531 is fixedly connected to the supporting frame 51, the mounting plate 532 is fixedly connected to the output end of the second telescopic member 531, and the push plate 533 is fixedly connected to the mounting plate 532. The output end of the second telescopic member 531 drives the push plate 533 to move horizontally to push the special-shaped material to bend.

[0069] Furthermore, the second telescopic member 531 is an electric push rod, which is arranged parallel to the first telescopic member 521 on the supporting frame 51. The push plate 533 is installed on the output end of the second telescopic member 531 through the mounting plate 532. The push plate 533 is processed with a protrusion that matches the groove of the special-shaped material.

[0070] Working principle:

[0071] First, the profiled material is placed between the forming mold 341 and the card strip plate 523, and then the first telescopic member 521 is started to drive the card strip plate 523 to move through the connecting plate 522, and then the card strip plate 523 pushes the profiled material into the forming mold 341. At this time, the card strip plate 523 is placed on one side of the profiled material, and then the first hydraulic cylinder 22 is started to drive the rack 23 to move, and the rack 23 moves in the limiting wheel 252 and the groove wheel 262. During the transverse movement of the rack 23, the limiting wheel 252 is driven to rotate in the carrier 251 through the rotating shaft 253. At the same time, the groove wheel 262 in the bracket 261 constrains the rack 23 to prevent the rack 23 from shaking, and the gear 24 is driven to rotate through the rack 23, and then the support shaft 31 in the gear 24 rotates in the bearing seat 32, and the support shaft 31 drives the top forming mold The tool 341 rotates slowly, and the second telescopic member 531 is started at this time. The second telescopic member 531 drives the push plate 533 to move through the mounting plate 532. The push plate 533 pushes the profile to deflect, and cooperates with the rotating forming mold 341 to realize the bending processing of the profile. During the bending process, the first hydraulic cylinder 22 is controlled by the PLC controller, so that the output end of the first hydraulic cylinder 22 drives the rack 23 to feed in a pulse manner, and then the linear motor 44 is used to adjust the position of the longitudinal slide rail 43 on the transverse slide rail 42. After the position of the second hydraulic cylinder 45 on the longitudinal slide rail 43 is adjusted to be appropriate, the output end of the second hydraulic cylinder 45 is started to drive the top plate 46 to press against the tail end of the profile, and the output end of the second hydraulic cylinder 45 is slowly extended, thereby pushing the profile to move in the forming mold 341.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. An electric pulse assisted special-shaped profile bending and forming device, characterized in that: include: Installing a box (1); A driving mechanism (2), the driving mechanism (2) being used to provide a driving force during the bending process of the profiled material; The driving mechanism (2) comprises a fixing seat (21), a first hydraulic cylinder (22), a rack (23), a gear (24), a limiting member (25) and a stabilizing member (26); The fixing seat (21) is fixedly connected to the installation box (1); the first hydraulic cylinder (22) is fixedly connected to the fixing seat (21); the rack (23) is fixedly connected to the output end of the first hydraulic cylinder (22); the first hydraulic cylinder (22) is electrically connected to an external PLC controller; the first hydraulic cylinder (22) is controlled by the PLC controller to drive the rack (23) to feed in a pulsed manner; the gear (24) and the rack (23) are meshedly connected; the limiting member (25) is used to limit the movement of the rack (23); and the stabilizing member (26) reduces the shaking of the rack (23) during the movement.

2. The electric pulse assisted special-shaped profile bending forming device according to claim 1, characterized in that: The limiting member (25) comprises a bearing frame (251), a limiting wheel (252), and a rotating shaft (253); The bearing frame (251) is fixedly connected in the installation box (1); the limiting wheel (252) is rotationally connected to the bearing frame (251) via the rotating shaft (253); and the groove of the limiting wheel (252) limits the rack (23) during movement.

3. The electric pulse assisted special-shaped profile bending forming device according to claim 1, characterized in that: The stabilizing member (26) comprises a bracket (261) and a groove wheel (262); The bracket (261) is fixedly connected to the installation box (1), and the groove wheel (262) is rotatably connected to the bracket (261). The groove wheel (262) is clamped at one end of the rack (23) away from the first hydraulic cylinder (22) through a groove, thereby reducing the shaking of the rack (23) during movement.

4. The electric pulse assisted special-shaped profile bending and forming device according to claim 1, characterized in that: The installation box (1) is provided with a forming mechanism (3), and the forming mechanism (3) is used to bend the profiled material; The molding mechanism (3) comprises a supporting shaft (31), a bearing seat (32), a mounting plate (33), a molding member (34) and a fixing member (35); The support shaft (31) is rotatably connected to the mounting box (1) via the bearing seat (32); the support shaft (31) is fixedly connected to the gear (24); the mounting plate (33) is fixedly connected to the support shaft (31); the molded part (34) is used for bending special-shaped materials; and the fixing part (35) is used to increase the stability of the molded part (34) when in use.

5. The electric pulse assisted special-shaped profile bending forming device according to claim 4, characterized in that: The molded part (34) comprises a molding die (341) and a screw (342); The forming die (341) is connected to the mounting plate (33) via the screw rod (342), and the forming die (341) and the supporting shaft (31) are sleeved and connected. The special-shaped material embedded in the limiting groove of the forming die (341) is driven to bend by the rotation of the forming die (341).

6. The electric pulse assisted special-shaped profile bending and forming device according to claim 5, characterized in that: The fixing member (35) comprises a mounting cap (351) and a connecting rod (352); The mounting cap (351) is connected to the support shaft (31) via the connecting rod (352), and the bottom of the mounting cap (351) is tightly pressed against the molding die (341).

7. The electric pulse assisted special-shaped profile bending forming device according to claim 1, characterized in that: The installation box (1) is provided with an ejection mechanism (4), and the ejection mechanism (4) is used to push the special-shaped material to be fed; The ejection mechanism (4) comprises a frame (41), a transverse slide rail (42), a longitudinal slide rail (43), a linear motor (44), a second hydraulic cylinder (45) and an ejection plate (46); The frame (41) is fixedly connected to the installation box (1), the transverse slide rail (42) is fixedly connected to the frame (41), the longitudinal slide rail (43) is installed on the transverse slide rail (42) through the linear motor (44), the second hydraulic cylinder (45) is fixedly connected to the longitudinal slide rail (43), the top plate (46) is fixedly connected to the output end of the second hydraulic cylinder (45), and the output end of the second hydraulic cylinder (45) pushes the profiled material to be fed through the top plate (46).

8. The electric pulse assisted special-shaped profile bending forming device according to claim 1, characterized in that: The installation box (1) is provided with an auxiliary bending component (5), and the auxiliary bending component (5) is used to promote the deformation of the profiled material; The auxiliary bending assembly (5) comprises a load-bearing frame (51), a fixed arm (52) and a rotating arm (53); The bearing frame (51) is fixedly connected to the installation box (1); the fixed arm (52) is used to limit the feeding direction of the profiled material; and the rotating arm (53) is used to push the profiled material to bend.

9. The electric pulse assisted special-shaped profile bending forming device according to claim 8, characterized in that: The fixed arm (52) comprises a first telescopic member (521), a connecting plate (522) and a clamping plate (523); The first telescopic member (521) is fixedly connected to the supporting frame (51), the connecting plate (522) is fixedly connected to the output end of the first telescopic member (521), the clip plate (523) is fixedly connected to the connecting plate (522), and the clip plate (523) is attached to the side wall of the profiled material to limit the feeding direction of the profiled material.

10. The electric pulse assisted special-shaped profile bending forming device according to claim 8, characterized in that: The rotating arm (53) comprises a second telescopic member (531), a mounting plate (532) and a push plate (533); The second telescopic member (531) is fixedly connected to the supporting frame (51), the mounting plate (532) is fixedly connected to the output end of the second telescopic member (531), the push plate (533) is fixedly connected to the mounting plate (532), and the output end of the second telescopic member (531) drives the push plate (533) to move laterally and push the profile to bend.