Automobile side wall support bending and stamping device

Abstract

The automobile side wall support bending and stamping device comprises a workbench, one side of the middle of the top end of the workbench is fixedly connected with a supporting plate, a stamping oil cylinder is fixedly installed at the top of the supporting plate, the driving end of the stamping oil cylinder penetrates through the supporting plate in a sliding mode and then is fixedly connected with a stamping and bending head, and a top plate is movably arranged at the bottom of the stamping and bending head. Punching and bending bases fixedly connected with the workbench are arranged on the two sides of the top plate correspondingly, adjustable supporting assemblies and fixed supporting bases are arranged on the two sides of the punching and bending bases correspondingly, and tail supporting assemblies are movably arranged at the ends, away from the punching and bending bases, of the fixed supporting bases. The bottom end of the top plate is fixedly connected with a discharging assembly which is movably sleeved with a supporting cylinder, one end of the supporting cylinder is fixedly connected with the bottom end of the workbench, the other end of the supporting cylinder is fixedly connected with a mounting plate, a forward and reverse motor is fixedly mounted on one side of the bottom of the mounting plate, and an output shaft of the forward and reverse motor is fixedly connected with the discharging assembly. A servo motor is fixedly mounted on the other side of the bottom of the mounting plate.

Description

Technical Field

[0001] The invention relates to the technical field of automobile manufacturing, in particular to a bending and punching device for an automobile side wall bracket. Background Art

[0002] The side wall bracket, also known as the side bracket, is an important part of the car structure. It includes a bracket beam and reinforcement ribs, and is designed to provide structural strength and rigidity to the car body to ensure the stability and safety of the car during driving.

[0003] The existing side panel bracket is usually stamped by sheet metal material, so a bending and stamping device is needed. After searching the prior art, the Chinese patent with publication number CN215143724U discloses a stamping and bending device for the side panel of an automobile, which includes a support frame and a die pad stuck inside the support frame. The upper surface of the die pad is a wave-shaped structure. The side wall of the support frame is fixedly connected with a bending device. The bending device is assembled by a roller and a triangular fixing plate. There are two triangular fixing plates, which are symmetrically installed at both ends of the support frame. The two triangular fixing plates are connected by rollers. There are multiple rollers. The upper end of the support frame is connected with a stamping device, which is arranged corresponding to the concave part of the die pad. .

[0004] The stamping and bending device uses a bending device instead of manual lifting, which can improve the bending accuracy and efficiency of the entire device for the sheet, but it is not convenient to remove the stamped parts and it is not convenient to adjust the bending angle. For this reason, we propose a car side wall bracket bending and stamping device to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a bending and punching device for an automobile side wall bracket to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a bending and stamping device for a side wall bracket of an automobile, comprising a workbench, a support plate is fixedly connected to one side of the middle part of the top of the workbench, a stamping oil cylinder is fixedly installed on the top of the support plate, a driving end of the stamping oil cylinder slides through the support plate and is fixedly connected to a stamping bending head, a top plate is movably provided at the bottom of the stamping bending head, stamping and bending seats fixedly connected to the workbench are respectively provided on both sides of the top plate, adjustable support components and fixed support seats are respectively provided on both sides of the stamping and bending seat, and a tail support component is movably provided at one end of the fixed support seat away from the stamping and bending seat;

[0007] The bottom end of the top plate is fixedly connected to the unloading assembly, and the unloading assembly is movably sleeved in the supporting tube, one end of the supporting tube is fixedly connected to the bottom end of the workbench, and the other end of the supporting tube is fixedly connected to the mounting plate, one side of the bottom of the mounting plate is fixedly installed with a forward and reverse motor, and the output shaft of the forward and reverse motor is fixedly connected to the unloading assembly, and the other side of the bottom of the mounting plate is fixedly installed with a servo motor, and the output shaft of the servo motor is fixedly connected to the bottom of the adjustable supporting assembly.

[0008] Preferably, the four corners of the bottom end of the workbench are respectively fixedly connected to support legs.

[0009] Preferably, the support plate is an inverted L-shaped structure, and reinforcing rods are fixedly connected to both sides of the corners of the support plate, and a movable opening is penetrated through the bottom of the support plate.

[0010] Preferably, a plurality of bending wheels 2 are rotatably mounted on the fixed support seat.

[0011] Preferably, the tail support assembly includes a movable seat, a support roller, a fixed bar, an adjusting knob, and a guide slide rod, one end of the fixed bar is fixedly connected to one end of the top of the fixed support seat, one side of the fixed bar is fixedly connected to one end of the guide slide rod, the other end of the guide slide rod is fixedly connected to the top of the workbench, the other side of the fixed bar is rotatably connected to the adjusting knob, the adjusting knob is connected to one side of the bottom of the movable seat through a threaded structure, the other side of the bottom of the movable seat is slidably connected to the guide slide rod, and a plurality of support rollers are rotatably installed on the top of the movable seat, and the height of the support rollers is greater than the height of the bending wheel 2.

[0012] The top end of the adjusting device is mounted on a platform, and the bottom end of the adjusting device is mounted on a platform, and the bottom end of the adjusting device is mounted on a platform. The adjusting device is a chain which is configured to connect the two guide wheels, and the two guide wheels are connected along the path of the adjusting device to the platform.

[0013] Preferably, the adjustment seat is a U-shaped structure, and the axes of the bending wheel 1 and the bending wheel 2 are in the same plane.

[0014] Preferably, a notch is provided on one side of the top plate, and a vertical sliding opening is provided on one side of the support tube, and the vertical sliding opening is arranged to overlap with the notch of the notch ring.

[0015] Preferably, the unloading assembly comprises a threaded rod, an internal threaded barrel, a movable block, a transmission rod, a cylindrical pin, a unloading rod, a transmission slide, and a hinge seat, the threaded rod is coaxially rotatably installed in the supporting barrel, one end of the threaded rod is fixedly connected to the output shaft of the forward and reverse motor, the other end of the threaded rod is sleeved on the internal threaded barrel through a threaded structure, and the internal threaded barrel slides through the working table away from one end of the threaded rod and is fixedly connected to the top plate, and the bottom side of the internal threaded barrel is fixedly connected to the movable block, the movable block is slidably arranged in the vertical slide, the movable block is fixedly connected to one end of the transmission rod away from the internal threaded barrel, the other end of the transmission rod slides through the working table and is fixedly connected to the cylindrical pin, the cylindrical pin is slidably sleeved on the transmission slide, the transmission slide is opened on one side of the unloading rod, one side end of the unloading rod is hinged on the hinge seat, the hinge seat is fixedly connected to the top of the working table, and the unloading rod is movably arranged in the notch.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the angle of bending and stamping can be adjusted through the adjustable support assembly, so as to realize the stamping work of the automobile side wall bracket with different bending angles; the tail support assembly cooperates with the fixed support seat to position the bending and stamping materials, which is convenient for the stamping and bending work; the setting of the unloading assembly, after the stamping and bending is completed, the unloading assembly automatically removes the completed materials, avoids the danger caused by manual operation, and improves the efficiency of bending and stamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is a structural schematic diagram of another viewing angle of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the present invention when viewed from the bottom up;

[0020] Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the present invention.

[0022] In the figure: workbench 1, support leg 101, guide slide 102, support plate 2, reinforcement rod 21, movable mouth 22, stamping cylinder 3, stamping bending head 4, adjustable support assembly 5, support seat 51, adjustment slide 52, bending wheel 1 53, adjustment seat 54, adjustment connecting rod 55, notched ring 56, adjustment block 57, screw 58, stamping bending seat 6, top plate 7, notch 71, fixed support seat 8, bending wheel 2 81, tail support assembly 9, movable seat 91, support roller 92, fixing bar 93, adjustment knob 94, guide slide 95, forward and reverse motor 10, servo motor 11, support cylinder 12, vertical slide 121, unloading assembly 13, threaded rod 131, internal threaded cylinder 132, movable block 133, transmission rod 134, cylindrical pin 135, unloading rod 136, transmission slide 137, hinged seat 138, mounting plate 14. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example 1

[0025] Reference Figure 1 , 2 , which is the first embodiment of the present invention, and provides a bending and stamping device for a side wall bracket of an automobile, comprising a workbench 1, a support plate 2 is fixedly connected to one side of the middle part of the top of the workbench 1, a stamping oil cylinder 3 is fixedly installed on the top of the support plate 2, a stamping and bending head 4 is fixedly connected after the driving end of the stamping oil cylinder 3 slides through the support plate 2, a top plate 7 is movably provided at the bottom of the stamping and bending head 4, a stamping and bending seat 6 fixedly connected to the workbench 1 is respectively provided on both sides of the top plate 7, an adjustable support assembly 5 and a fixed support seat 8 are respectively provided on both sides of the stamping and bending seat 6, and a tail support assembly 9 is movably provided at one end of the fixed support seat 8 away from the stamping and bending seat 6;

[0026] The bottom end of the top plate 7 is fixedly connected to the unloading assembly 13, and the unloading assembly 13 is movably sleeved in the supporting tube 12. One end of the supporting tube 12 is fixedly connected to the bottom end of the workbench 1, and the other end of the supporting tube 12 is fixedly connected to the mounting plate 14. The forward and reverse motor 10 is fixedly installed on one side of the bottom of the mounting plate 14, and the output shaft of the forward and reverse motor 10 is fixedly connected to the unloading assembly 13. The servo motor 11 is fixedly installed on the other side of the bottom of the mounting plate 14, and the output shaft of the servo motor 11 is fixedly connected to the bottom of the adjustable supporting assembly 5.

[0027] According to the thickness of the sheet to be stamped and bent, operate the tail support assembly 9, so that the tail support assembly 9 cooperates with the fixed support seat 8 to limit the position of the sheet, and then start the servo motor 11 to work according to the required bending angle, and the servo motor 11 drives the adjustable support assembly 5 to work, and the adjustable support assembly 5 then changes the distance from the stamping and bending seat 6. When the distance is close, the bending angle is small, and when the distance is far, the bending angle is large, so as to achieve the adjustment of the bending angle. When stamping is working, the stamping cylinder 3 works, and the stamping cylinder 3 drives the fixed stamping and bending head 4 to move toward the stamping and bending seat 6. The stamping and bending head 4 cooperates with the stamping and bending seat 6 to stamp and bend the plate. After the stamping and bending is completed, the forward and reverse motors 10 are energized to work, and the forward and reverse motors 10 drive the unloading assembly 13 to work, and the unloading assembly 13 drives the top plate 7 fixed at the end to lift, and the top plate 7 lifts the completed workpiece, and then the unloading assembly 13 contacts the workpiece from the side to push the workpiece, and a collection box is placed at the bottom of the side of the workbench 1 away from the support plate 2, so that the workpiece can slide into the collection box for collection after being pushed, thereby realizing automatic material removal, avoiding danger caused by manual operation, and improving the efficiency of bending and stamping.

[0028] Example 2

[0029] Reference Figure 1-5 , which is the second embodiment of the present invention, and this embodiment is based on the previous embodiment. Specifically, the four corners of the bottom end of the workbench 1 are respectively fixedly connected to the supporting legs 101. The setting of the supporting legs 101 increases the distance between the workbench 1 and the ground, and facilitates the installation of the bottom parts of the workbench 1.

[0030] Specifically, the support plate 2 is an inverted L-shaped structure, and the reinforcing rods 21 are fixedly connected on both sides of the corners of the support plate 2. A movable opening 22 is penetrated through the bottom of the support plate 2. The setting of the movable opening 22 provides a movable space for the movement of the unloading rod 136 of the unloading assembly 13.

[0031] Specifically, a plurality of bending wheels 81 are rotatably mounted on the fixed support seat 8, and the height of one side of the fixed support seat 8 is lower than the height of the other side. After the sheet is stamped, the sheet can slide out from the side with a lower height by moving the unloading assembly 13 to avoid blocking the workpiece.

[0032] Specifically, the tail support assembly 9 includes a movable seat 91, a support roller 92, a fixed bar 93, an adjusting knob 94, and a guide slide bar 95. One end of the fixed bar 93 is fixedly connected to the top end of the fixed support seat 8, one side of the fixed bar 93 is fixedly connected to one end of the guide slide bar 95, and the other end of the guide slide bar 95 is fixedly connected to the top of the workbench 1. The other side of the fixed bar 93 is rotatably connected to the adjusting knob 94. The adjusting knob 94 is connected to the bottom side of the movable seat 91 through a threaded structure. The other side of the bottom of the movable seat 91 is slidably connected to the guide slide bar 95. A plurality of support rollers 92 are rotatably installed on the top of the movable seat 91, and the height of the support rollers 92 is greater than the height of the bending wheel 2 81.

[0033] According to the thickness of the plate to be stamped and bent, operate the tail support assembly 9 and turn the adjusting knob 94. The adjusting knob 94 drives the movable seat 91 to move up and down through the threaded structure. The movable seat 91 is an L-shaped structure and the edges at both ends are fixedly connected to the mounting strips. The mounting strip on one side is used to connect the adjusting knob 94, and the mounting strip on the other side is used to cooperate with the movable seat 91 to install the support roller 92. The height is adjusted to the point where the outer surface of the support roller 92 can contact the surface of the plate and then stop, so that the stamped plate can be placed on the bending wheel 2 81 of the fixed support seat 8, and the tail support assembly 9 cooperates with the fixed support seat 8 to position and limit the stamped and bent plate.

[0034] Specifically, guide slides 102 are respectively provided at both ends of one side of the workbench 1, and the adjustable support assembly 5 includes a support seat 51, an adjustment slide 52, a bending wheel 53, an adjustment seat 54, an adjustment connecting rod 55, a notched ring 56, an adjustment block 57, and a screw 58. The support seat 51 is fixedly connected to both sides of the top of the workbench 1, and the top sides of the support seat 51 are respectively provided with adjustment slides 52, and the adjustment slides 52 are respectively slidably sleeved on both sides of the bending wheel 53, and the two side ends of the bending wheel 53 are respectively fixedly connected to the adjustment seat 54, and the bottoms of the two sides of the adjustment seat 54 The guide slide 102 is slidably engaged respectively, the bottom end of the adjusting seat 54 is movably arranged at the bottom of the workbench 1 and one end of the adjusting connecting rod 55 is hingedly connected to the middle part of one side of the bottom end of the adjusting seat 54, and the other end of the adjusting connecting rod 55 is hingedly connected to the notched ring 56, and the notched ring 56 is slidably sleeved on the outside of the supporting tube 12, and the end of the notched ring 56 away from the adjusting connecting rod 55 is fixedly connected to the adjusting block 57, and the adjusting block 57 is sleeved with the screw rod 58 through a threaded structure, one end of the screw rod 58 is rotatably connected to the bottom end of the workbench 1, and the other end of the screw rod 58 is fixedly connected to the output shaft of the servo motor 11.

[0035] Furthermore, the adjustment seat 54 is a U-shaped structure, and the axes of the bending wheel 1 53 and the bending wheel 2 81 are in the same plane.

[0036] According to the required bending angle, the servo motor 11 is started and powered on, and the servo motor 11 drives the adjustable support assembly 5 to work, the screw rod 58 rotates, and the screw rod 58 drives the adjustment block 57 to move, and the adjustment block 57 drives the fixed notched ring 56 to slide outside the support tube 12, and the notched ring 56 cooperates with the hinged adjustment link 55 to drive the adjustment seat 54 to slide in the guide slide 102, and the adjustment seat 54 then drives the bending wheel 1 53 to slide in the adjustment slide 52, and the bending wheel 1 53 then changes the distance from the stamping bending seat 6. When the distance is close, the bending angle is smaller, and when the distance is far, the bending angle is larger, thereby realizing the adjustment of the bending angle. Similarly, the height of one side of the support seat 51 is lower than the height of the other side. After the stamping of the sheet is completed, the sheet can slide out from the lower height side by the toggle of the unloading assembly 13 to avoid blocking the workpiece.

[0037] Specifically, a notch 71 is provided on one side of the top plate 7, and a vertical sliding opening 121 is provided on one side of the support tube 12. The vertical sliding opening 121 is arranged to overlap with the notch of the notch ring 56. The notch 71 provides space for the movement of the unloading rod 136 when the unloading rod 136 swings to a nearly vertical state. The vertical sliding opening 121 overlaps with the notch of the notch ring 56, which facilitates the movement of the movable block 133 and limits the movable block 133 so that the movable block 133 can move in a straight line.

[0038] Specifically, the unloading assembly 13 includes a threaded rod 131, an internally threaded barrel 132, a movable block 133, a transmission rod 134, a cylindrical pin 135, a unloading rod 136, a transmission slide 137, and a hinge seat 138. The threaded rod 131 is coaxially rotatably installed in the support barrel 12, one end of the threaded rod 131 is fixedly connected to the output shaft of the forward and reverse motor 10, and the other end of the threaded rod 131 is sleeved with the internally threaded barrel 132 through a threaded structure. The end of the internally threaded barrel 132 away from the threaded rod 131 slides out of the workbench 1 and is fixedly connected to the top plate 7. The bottom of the internally threaded barrel 132 One side is fixedly connected to a movable block 133, which is slidably arranged in the vertical slide 121. One end of the movable block 133 away from the internal threaded tube 132 is fixedly connected to one end of a transmission rod 134. The other end of the transmission rod 134 slides out of the workbench 1 and is fixedly connected to a cylindrical pin 135. The cylindrical pin 135 is slidably sleeved in a transmission slide 137. The transmission slide 137 is provided on one side of a discharge rod 136. One side end of the discharge rod 136 is hinged to an articulated seat 138. The articulated seat 138 is fixedly connected to the top of the workbench 1, and the discharge rod 136 is movably arranged in the notch 71.

[0039] After the stamping and bending is completed, the forward and reverse motors 10 are powered on to work, and the forward and reverse motors 10 drive the unloading assembly 13 to work. The threaded rod 131 rotates under the drive of the forward and reverse motors 10, and the threaded rod 131 drives the internal threaded tube 132 to slide in the support tube 12 through the threaded structure, and the internal threaded tube 132 drives the fixed movable block 133 to slide in the vertical sliding port 121, and the movable block 133 drives the fixed transmission rod 134 to lift, and the transmission rod 134 is equipped with a cylindrical pin 135 fixed on the top. The transmission slide 137 is closed to drive the unloading rod 136 to swing with the hinge seat 138 as the center of the circle. At the same time, the internal threaded tube 132 drives the top plate 7 fixed at the end to lift up. The top plate 7 lifts up the completed workpiece, and then the swinging unloading rod 136 touches the workpiece to move the workpiece. A collection box is placed at the bottom of the side of the workbench 1 away from the support plate 2, so that the workpiece can slide into the collection box for collection after being pushed, thereby realizing automatic material removal, avoiding danger caused by manual operation, and improving the efficiency of bending and stamping.

[0040] Example 3

[0041] Reference Figure 1-5, which is the third embodiment of the present invention. This embodiment is based on the above two embodiments. When in use, according to the thickness of the stamped and bent sheet, the tail support assembly 9 is operated to rotate the adjusting knob 94. The adjusting knob 94 drives the movable seat 91 to move up and down through the threaded structure. The movable seat 91 is an L-shaped structure and the edges at both ends are respectively fixedly connected to the mounting strips. The mounting strip on one side is used to connect the adjusting knob 94, and the mounting strip on the other side is used to cooperate with the movable seat 91 to install the support roller 92. The height is adjusted to the support roller 92. The surface can contact the surface of the sheet and then stop, which is convenient for the stamped sheet to be placed on the bend of the fixed support seat 8. The folding wheel 2 81 is then turned on according to the required bending angle, and the servo motor 11 is powered on to work, the servo motor 11 drives the adjustable support assembly 5 to work, the screw rod 58 rotates, the screw rod 58 drives the adjustment block 57 to move, the adjustment block 57 drives the fixed notched ring 56 to slide outside the support tube 12, the notched ring 56 cooperates with the hinged adjustment link 55 to drive the adjustment seat 54 to slide in the guide slide 102, the adjustment seat 54 then drives the bending wheel 1 53 to slide in the adjustment slide 52, the bending wheel 1 53 then changes the distance from the stamping bending seat 6, and the bending angle is adjusted. During the stamping operation, the stamping cylinder 3 works, and the stamping cylinder 3 drives the fixed stamping bending head 4 to move toward the stamping bending seat 6. The stamping bending head 4 cooperates with the stamping bending seat 6 to perform stamping and bending work on the plate. After the stamping and bending is completed, the forward and reverse motors 10 are powered on, and the forward and reverse motors 10 drive the unloading assembly 13 to work. The threaded rod 131 rotates under the drive of the forward and reverse motors 10. The threaded rod 131 drives the internal threaded tube 132 to slide in the support tube 12 through the threaded structure. The internal threaded tube 132 drives the fixed movable block 133 to slide in the vertical sliding port 121, and the movable block 133 then drives The dynamically fixed transmission rod 134 is lifted, and the transmission rod 134 cooperates with the transmission slide 137 through the cylindrical pin 135 fixed on the top, driving the unloading rod 136 to swing with the hinge seat 138 as the center of the circle. At the same time, the internal threaded tube 132 drives the top plate 7 fixed at the end to lift, and the top plate 7 lifts the completed workpiece. Then the swinging unloading rod 136 touches the workpiece and moves the workpiece. A collection box is placed at the bottom of the side of the workbench 1 away from the support plate 2, so that the workpiece can slide into the collection box for collection after being pushed, thereby realizing automatic material removal, avoiding danger caused by manual operation, and improving the efficiency of bending and stamping.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bending and punching device for a side wall bracket of an automobile, comprising a workbench (1), characterized in that: A support plate (2) is fixedly connected to one side of the middle of the top of the workbench (1), a stamping cylinder (3) is fixedly installed on the top of the support plate (2), a driving end of the stamping cylinder (3) slides through the support plate (2) and is fixedly connected to a stamping bending head (4), a top plate (7) is movably provided at the bottom of the stamping bending head (4), a stamping bending seat (6) fixed to the workbench (1) is respectively provided on both sides of the top plate (7), an adjustable support assembly (5) and a fixed support seat (8) are respectively provided on both sides of the stamping bending seat (6), and a tail support assembly (9) is movably provided at one end of the fixed support seat (8) away from the stamping bending seat (6); The bottom end of the top plate (7) is fixedly connected to a discharge assembly (13), and the discharge assembly (13) is movably sleeved in a support tube (12). One end of the support tube (12) is fixedly connected to the bottom end of the workbench (1), and the other end of the support tube (12) is fixedly connected to a mounting plate (14). A forward and reverse motor (10) is fixedly mounted on one side of the bottom of the mounting plate (14), and an output shaft of the forward and reverse motor (10) is fixedly connected to the discharge assembly (13). A servo motor (11) is fixedly mounted on the other side of the bottom of the mounting plate (14), and an output shaft of the servo motor (11) is fixedly connected to the bottom of the adjustable support assembly (5).

2. The bending and punching device for a side wall bracket of an automobile according to claim 1, characterized in that: The four corners of the bottom end of the workbench (1) are respectively fixedly connected to support legs (101).

3. The bending and punching device for a side wall bracket of an automobile according to claim 1, characterized in that: The support plate (2) is an inverted L-shaped structure, and the two sides of the corners of the support plate (2) are fixedly connected to reinforcing rods (21) respectively, and the bottom of the support plate (2) is penetrated by a movable opening (22).

4. The bending and punching device for a side wall bracket of an automobile according to claim 1, characterized in that: A plurality of bending wheels (81) are rotatably mounted on the fixed support seat (8).

5. The bending and punching device for a side wall bracket of an automobile according to claim 4, characterized in that: The tail support assembly (9) comprises a movable seat (91), a support roller (92), a fixed bar (93), an adjustment knob (94), and a guide slide bar (95); one end of the fixed bar (93) is fixedly connected to one end of the top of the fixed support seat (8); one side of the fixed bar (93) is fixedly connected to one end of the guide slide bar (95); the other end of the guide slide bar (95) is fixedly connected to the top of the workbench (1); the other side of the fixed bar (93) is rotatably connected to the adjustment knob (94); the adjustment knob (94) is connected to one side of the bottom of the movable seat (91) through a threaded structure; the other side of the bottom of the movable seat (91) is slidably connected to the guide slide bar (95); a plurality of support rollers (92) are rotatably installed on the top of the movable seat (91); the height of the support rollers (92) is greater than the height of the second bending wheel (81).

6. The bending and punching device for a side wall bracket of an automobile according to claim 4, characterized in that: The two ends of one side of the workbench (1) are respectively penetrated by guide slides (102); the adjustable support assembly (5) comprises a support seat (51), an adjustment slide (52), a bending wheel (53), an adjustment seat (54), an adjustment connecting rod (55), a notched ring (56), an adjustment block (57), and a screw rod (58); the support seat (51) is fixedly connected to the top two sides of the workbench (1); the top two sides of the support seat (51) are respectively provided with adjustment slides (52); the adjustment slides (52) are respectively slidably sleeved on the two sides of the bending wheel (53); the two side ends of the bending wheel (53) are respectively fixedly connected to the adjustment seat (54); the two side bottoms of the adjustment seat (54) are The guide sliding openings (102) are respectively slidably engaged, the bottom end of the adjustment seat (54) is movably arranged at the bottom of the workbench (1) and one end of the adjustment connecting rod (55) is hingedly connected to the middle part of one side of the bottom end of the adjustment seat (54), the other end of the adjustment connecting rod (55) is hingedly connected to a notch ring (56), the notch ring (56) is slidably sleeved outside the support tube (12), the end of the notch ring (56) away from the adjustment connecting rod (55) is fixedly connected to an adjustment block (57), the adjustment block (57) is sleeved with a screw rod (58) through a threaded structure, one end of the screw rod (58) is rotatably connected to the bottom end of the workbench (1), and the other end of the screw rod (58) is fixedly connected to the output shaft of the servo motor (11).

7. The automobile side wall bracket bending and punching device according to claim 6, characterized in that: The adjustment seat (54) is a U-shaped structure, and the axes of the bending wheel 1 (53) and the bending wheel 2 (81) are in the same plane.

8. The automobile side wall bracket bending and punching device according to claim 6, characterized in that: A notch (71) is provided on one side of the top plate (7), and a vertical sliding opening (121) is provided on one side of the support tube (12). The vertical sliding opening (121) is arranged to overlap with the notch of the notch ring (56).

9. The automobile side wall bracket bending and punching device according to claim 8, characterized in that: The unloading assembly (13) comprises a threaded rod (131), an internally threaded cylinder (132), a movable block (133), a transmission rod (134), a cylindrical pin (135), a unloading rod (136), a transmission slide (137), and a hinge seat (138); the threaded rod (131) is coaxially rotatably installed in the support cylinder (12); one end of the threaded rod (131) is fixedly connected to the output shaft of the forward and reverse motor (10); the other end of the threaded rod (131) is sleeved with the internally threaded cylinder (132) through a threaded structure; the end of the internally threaded cylinder (132) away from the threaded rod (131) slides out of the workbench (1) and is fixedly connected to the top plate (7); one side of the bottom of the internally threaded cylinder (132) is fixedly A movable block (133) is fixedly connected, and the movable block (133) is slidably arranged in the vertical sliding mouth (121). One end of the movable block (133) away from the internal threaded tube (132) is fixedly connected to one end of a transmission rod (134). The other end of the transmission rod (134) slides out of the workbench (1) and is fixedly connected to a cylindrical pin (135). The cylindrical pin (135) is slidably sleeved in the transmission sliding mouth (137). The transmission sliding mouth (137) is provided on one side of the discharge rod (136). One side end of the discharge rod (136) is hinged to an articulated seat (138). The articulated seat (138) is fixedly connected to the top of the workbench (1). The discharge rod (136) is movably arranged in the notch (71).

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