CN117415225B

CN117415225B - Spare part equipment of bending for cargo vehicle

Info

Publication number: CN117415225B
Application number: CN202311745796.9A
Authority: CN
Inventors: 谭勇; 李涛; 刘建良
Original assignee: Zibo Geely New Energy Commercial Vehicle Development Co ltd
Current assignee: Zibo Geely New Energy Commercial Vehicle Development Co ltd
Priority date: 2023-12-19
Filing date: 2023-12-19
Publication date: 2024-02-13
Anticipated expiration: 2043-12-19
Also published as: CN117415225A

Abstract

The invention relates to the technical field of part processing and discloses part bending equipment for a truck, which is used for bending and forming a workpiece to be processed. The frame body structure of the formed beam and the side beam can be used for forming the beam body in a stamping mode and bending the beam body into a certain radian, meanwhile, the end part of the beam body is bent and formed, the flange parts of the extrusion roller and the convex roller respectively lean against the upper side and the lower side of the bending part, the deep drawing and the shrinkage of the upper part and the lower part of the bending part in the width direction are limited to be consistent, and the strength and the energy absorption effect of the beam body are effectively ensured.

Description

Spare part equipment of bending for cargo vehicle

Technical Field

The invention relates to the field of part processing, in particular to part bending equipment for a truck.

Background

Cargo vehicles, commonly referred to as trucks or trucks, refer to vehicles that are primarily used to transport cargo, and sometimes also vehicles that may be towing other vehicles, belong to the category of commercial vehicles. The cargo vehicle has larger tonnage after carrying cargo, the safety of the vehicle is crucial in the high-speed running process, and the anti-collision beam is an important protection part of the vehicle; the anti-collision beam is a device for reducing the vibration force of the vehicle, and two ends of the anti-collision beam are connected with low-speed energy absorption boxes with very low yield strength and then are connected with the longitudinal beam of the vehicle body in a bolt mode. The low-speed energy absorption box can effectively absorb collision energy when a vehicle collides at a low speed, so that the damage of the impact force to the longitudinal beam of the vehicle body is reduced as much as possible, and the protection effect of the low-speed energy absorption box on the vehicle is exerted.

The anti-collision beam is provided with a certain radian and is used for absorbing collision energy, two sides of the anti-collision beam are required to be bent to form a frame body structure and used for improving the collision energy absorption effect of the end part and the side face of the vehicle head, when the traditional bending equipment is used, due to the fact that the drawing and shrinkage of the width direction of a workpiece are inconsistent to generate torsion and deflection, the bent part is arched in the width direction, lateral side is caused to collapse at the bent part rapidly during collision energy absorption, and the lateral collision protection of the vehicle head is affected.

Disclosure of Invention

The invention provides a part bending device for a truck, which solves the technical problems that in the related art, the drawing and shrinkage of a part in the width direction are inconsistent to generate torsion and deflection, and the bent part generates bow-shaped deflection in the width direction to cause rapid collapse of the bent part in the lateral direction during collision energy absorption.

The invention provides a part bending device for a truck, which is used for bending and forming a workpiece to be processed, and comprises a workbench, a processing roller set, a buckling seat and a rotating arm, wherein the processing roller set, the buckling seat and the rotating arm are all arranged on the workbench;

the groove-shaped stamping assembly comprises a first hydraulic cylinder and a pressing plate, the pressing plate moves towards the first buckling seat, the vertical section of the workpiece to be machined is stamped and formed, and the stamped workpiece to be machined is bent to a certain radian;

the bottom end of the rotating arm is provided with a stepping motor, the stepping motor drives the rotating arm to rotate, and the second buckling seat drives the end part of the punched and bent workpiece to be bent to be formed;

the processing roller set comprises a squeeze roller and a convex roller, connecting shafts are inserted in the squeeze roller and the convex roller, two groups of telescopic brackets are arranged between the two connecting shafts, a first squeeze flange is arranged outside the top end of the convex roller, a second squeeze flange is arranged on the outer wall of the bottom end of the squeeze roller, and the first squeeze flange and the second squeeze flange are used for limiting the upper side and the lower side of a bent part.

Further, the telescopic bracket comprises a first shaft bracket, a second shaft bracket and a return spring, wherein the return spring is arranged at the joint of the first shaft bracket and the second shaft bracket.

Further, the junction of first pedestal, second pedestal and connecting axle all is equipped with the spacer pin, is equipped with the pedestal bracket between first pedestal and the second pedestal, and the bottom of pedestal bracket is installed on the workstation.

Further, the opposite ends of the first shaft bracket and the second shaft bracket are respectively provided with an inserting piece, and the inserting pieces between the first shaft bracket and the second shaft bracket are mutually inserted and connected.

Further, a driving component is arranged on one side of the workbench, and the driving end of the driving component is connected with the squeeze roller.

Further, the bottom of squeeze roller all is equipped with drive gear, and drive assembly includes second pneumatic cylinder and rack, and the piston rod one end of second pneumatic cylinder is located to the rack, and the meshing transmission is connected between rack and the drive gear.

Further, a limiting buckle seat is arranged on one side, close to the processing roller set, of the workbench, a sliding limiting groove is formed in the limiting buckle seat, and a workpiece to be processed is inserted into the sliding limiting groove.

Further, be equipped with the regulation track on the workstation, the bottom of first knot seat is equipped with the support, and the bottom sliding connection of support is in the regulation track.

Further, the first buckling seat and the second buckling seat comprise a forming seat body and a rotating shaft, the rotating shaft is arranged on the outer wall of the bottom end of the forming seat body, shaft holes are formed in the tops of the support and the rotating arm, and the rotating shaft is inserted into the shaft holes.

Further, a limit frame is arranged on one side of the workbench, and the rack is slidably connected in the limit frame.

The invention has the beneficial effects that: the frame body structure of this equipment shaping of bending by shaping roof beam and curb girder can accomplish stamping forming with the roof beam body and crooked into certain radian, simultaneously with the tip shaping of bending of roof beam body, the flange part of squeeze roll and protruding roller supports respectively and leans on the upper and lower side of bending part, the deep drawing of upper and lower part of restriction bending part in width direction keeps unanimous with the shrink volume, make the roof beam body of roof beam body bending part constantly pressfitting, the shaping of roof beam body is the wave structure for vertical cross-section, guarantee the intensity and the energy-absorbing effect of roof beam body, when the side direction is at collision energy-absorbing, avoid appearing fast collapsing at the bending part when the impact, effectively guarantee the collision protection to locomotive side direction.

Drawings

Fig. 1 is a schematic structural view of a part bending apparatus for a truck according to the present invention;

FIG. 2 is a top view of FIG. 1 of the present invention;

FIG. 3 is a schematic view showing the connection structure of the processing roller set, the rotating arm and the second fastening seat in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the construction of the set of processing rolls of FIG. 3 in accordance with the present invention;

FIG. 5 is a front view of FIG. 4 of the present invention;

FIG. 6 is a schematic view of the telescopic bracket of FIG. 3 according to the present invention;

fig. 7 is a schematic structural view of the workpiece to be machined in fig. 2 according to the present invention.

In the figure: 100. a work table; 110. a limit buckle seat; 200. a slot-type punching assembly; 210. a first hydraulic cylinder; 220. a pressing plate; 300. a first buckle seat; 310. adjusting the track; 400. a drive assembly; 410. a second hydraulic cylinder; 420. a rack; 430. a limiting frame; 500. a processing roller set; 510. a squeeze roll; 520. a convex roller; 530. a transmission gear; 540. a telescopic bracket; 541. a first pedestal; 542. a second shaft frame; 543. inserting sheets; 544. a return spring; 600. a second buckle seat; 610. forming a seat body; 620. a rotating shaft; 700. a rotating arm; 800. a stepping motor; 900. a workpiece to be machined; 910. shaping the beam; 920. a stiffening beam; 930. a side beam; 940. a side bracket; 950. and the energy absorption box.

Detailed Description

The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.

Referring to fig. 1-7, a bending device for parts of a truck is used for bending and forming a workpiece 900, the workpiece 900 includes a forming beam 910, side beams 930 are disposed on two sides of the forming beam 910, a reinforcing beam 920 is disposed in the forming beam 910, an energy-absorbing box 950 is disposed at a joint of the forming beam 910 and the side beams 930, a side bracket 940 is disposed between the energy-absorbing box 950 and the side beams 930, the side bracket 940 is welded on a lateral direction of the energy-absorbing box 950, the energy-absorbing box 950 is composed of a longitudinal energy-absorbing box 950 and a transverse energy-absorbing box 950, the longitudinal energy-absorbing box 950 is used for absorbing energy of impact of the forming beam 910, and the transverse energy-absorbing box 950 is used for absorbing energy of impact of the side beams 930.

The equipment comprises a workbench 100, a processing roller set 500, a buckling seat and a rotating arm 700, wherein the processing roller set 500, the buckling seat and the rotating arm 700 are all arranged on the workbench 100, the buckling seat comprises a first buckling seat 300 and a second buckling seat 600, the second buckling seat 600 is arranged on the top end of the rotating arm 700, a workpiece 900 to be processed is inserted into the processing roller set 500, and the first buckling seat 300 and the second buckling seat 600 are clamped on the outer wall of the workpiece 900 to be processed;

the groove-shaped stamping assembly 200 is further included, the groove-shaped stamping assembly 200 comprises a first hydraulic cylinder 210 and a pressing plate 220, the pressing plate 220 moves towards the first buckling seat 300, the vertical section of the workpiece 900 to be machined is stamped and formed, and the stamped workpiece 900 to be machined is bent into a certain radian;

the bottom end of the rotating arm 700 is provided with a stepping motor 800, the stepping motor 800 drives the rotating arm 700 to rotate, and the second buckling seat 600 drives the end part of the workpiece 900 to be processed, which is formed by stamping and bending, to be bent;

the processing roller set 500 includes squeeze roller 510 and protruding roller 520, it has the connecting axle to alternate in squeeze roller 510 and the protruding roller 520, be equipped with two sets of telescopic bracket 540 between two connecting axles, the top outside of protruding roller 520 is equipped with first extrusion flange, the bottom outer wall of squeeze roller 510 is equipped with the second extrusion flange, first extrusion flange and second extrusion flange are used for being restricted by the upper and lower side of bending position, the flange effectively increases bending pressure, and realize correcting the broad width direction of bending position, also can guarantee the material line of crashproof roof beam to have certain angle with the bending direction simultaneously, guarantee the connection stability such as shaping roof beam 910 of follow-up crashproof roof beam, side support 940, energy-absorbing box 950.

As shown in fig. 6, the telescopic bracket 540 includes a first shaft frame 541, a second shaft frame 542 and a return spring 544, the return spring 544 is disposed at a connection portion of the first shaft frame 541 and the second shaft frame 542, a limiting pin is disposed at a connection portion of the first shaft frame 541, the second shaft frame 542 and the connecting shaft, a shaft frame bracket is disposed between the first shaft frame 541 and the second shaft frame 542, a bottom end of the shaft frame bracket is mounted on the workbench 100, inserting pieces 543 are disposed at opposite ends of the first shaft frame 541 and the second shaft frame 542, and the inserting pieces 543 between the first shaft frame 541 and the second shaft frame 542 are mutually inserted and connected.

One side of the workbench 100 is provided with a driving assembly 400, the driving end of the driving assembly 400 is connected with a squeeze roller 510, the bottom end of the squeeze roller 510 is provided with a transmission gear 530, the driving assembly 400 comprises a second hydraulic cylinder 410 and a rack 420, the rack 420 is arranged at one end of a piston rod of the second hydraulic cylinder 410, the rack 420 is in meshed transmission connection with the transmission gear 530, one side of the workbench 100 is provided with a limiting frame 430, the rack 420 is in sliding connection in the limiting frame 430, the transmission gear 530 is fixedly connected with the squeeze roller 510, and the inner diameter of a protruding part of the vertical section of the roller surface of the squeeze roller 510 is 1.2-1.5 times that of the other part.

A limiting buckle seat 110 is arranged on one side of the workbench 100 close to the processing roller set 500, a sliding limiting groove is formed in the limiting buckle seat 110, and a to-be-processed workpiece 900 is inserted into the sliding limiting groove.

The workbench 100 is provided with an adjusting rail 310, the bottom end of the first buckling seat 300 is provided with a support, the bottom end of the support is slidably connected in the adjusting rail 310, the first buckling seat 300 and the second buckling seat 600 both comprise a forming seat body 610 and a rotating shaft 620, the rotating shaft 620 is arranged on the outer wall of the bottom end of the forming seat body 610, shaft holes are formed in the top ends of the support and the rotating arm 700, the rotating shaft 620 is inserted into the shaft holes, the top end of the rotating arm 700 is provided with a positioning pin, and the positioning pin is used for fixing the angle of the forming seat body 610 at the top end of the rotating arm 700.

When the bending apparatus is used for processing the shaping beam 910 and the side beam 930 of the workpiece 900, the following steps are required:

the processing raw materials of the forming beam 910 are plate-shaped beam structures, the initial position of the first buckling seat 300 is adjusted through the adjusting rail 310, the pressing plate 220 is driven to punch towards the first buckling seat 300 through the first hydraulic cylinder 210 continuously, the plate-shaped beam is attached to the inner wall of the first buckling seat 300 and is input into the limiting buckling seat 110, the limiting buckling seat 110 continuously inputs the punched and formed beam between the processing roller groups 500, and the pressing roller 510 and the convex roller 520 are utilized to drive the punched and formed beam to be conveyed into the second buckling seat 600;

when the beam passes between the squeeze roller 510 and the convex roller 520, the first shaft frame 541 and the second shaft frame 542 are propped open, the first shaft frame 541 and the second shaft frame 542 are tensioned by the return spring 544, and simultaneously, the convex part of the squeeze roller 510 is matched with the convex roller 520 to squeeze and bend, and the punched beam is squeezed and bent to form a certain radian;

in the conveying process, the rack 420 in the driving assembly 400 drives the transmission gear 530 to rotate, the non-protruding part of the squeeze roller 510 is abutted against the convex roller 520, namely, when the pressing plate 220 continuously punches the beam body, the non-protruding part is abutted against the convex roller 520, in the punching process, the non-protruding part and the convex roller 520 are mutually abutted against the compression molding, and when the protruding part and the convex roller 520 are contacted, the Liang Tixiang is driven to move along the second buckling seat 600;

when the second buckling seat 600 is located, the bending radian is adjusted, the joint of the rotating shaft 620 and the rotating arm 700 is limited by a locating pin, the rotating arm 700 is driven by the stepping motor 800 to drive the end part of the formed and bent beam body to bend, so that the beam body is bent into a side beam 930, in the bending process, the flange parts of the extrusion roller 510 and the convex roller 520 respectively lean against the upper side and the lower side of the bending part, the drawing and shrinkage of the upper part and the lower part of the bending part in the width direction are limited to be consistent, the beam body of the bending part of the beam body is continuously pressed, the folding effect similar to a folding fan is achieved, the beam body is continuously formed into a wave-shaped structure in vertical section, and in the lateral collision energy absorption, the rapid collapse at the bending part is avoided during the impact, and the lateral collision protection of the vehicle head is effectively ensured;

and (3) performing stamping forming and bending of the beam body on one side to form a certain radian, bending and forming the end part of the beam body, and similarly, performing the same processing on the beam body on the other side to form the beam body into the structure shown in fig. 7.

The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.

Claims

1. The utility model provides a spare part equipment of bending for treating machined part (900) is bent and is processed shaping, a serial communication port, including workstation (100), processing roller group (500), detain seat and rocking arm (700) all locate on workstation (100), detain the seat and detain seat (600) including first knot seat (300) and second, second detain seat (600) and locate on the top of rocking arm (700), treat machined part (900) and alternate in processing roller group (500), first knot seat (300) and second detain seat (600) card and locate on the outer wall of treating machined part (900);

the groove-shaped stamping assembly (200) comprises a first hydraulic cylinder (210) and a pressing plate (220), the pressing plate (220) moves towards the first buckle seat (300) to stamp and shape the vertical section of a workpiece (900), and the stamped workpiece (900) to be processed is bent into a certain radian;

a stepping motor (800) is arranged at the bottom end of the rotating arm (700), the stepping motor (800) drives the rotating arm (700) to rotate, and the second buckling seat (600) drives the end part of the punched and bent workpiece (900) to be processed to be bent for forming;

the processing roller set (500) comprises a squeeze roller (510) and a convex roller (520), connecting shafts are inserted in the squeeze roller (510) and the convex roller (520), two groups of telescopic brackets (540) are arranged between the two connecting shafts, a first squeeze flange is arranged outside the top end of the convex roller (520), a second squeeze flange is arranged on the outer wall of the bottom end of the squeeze roller (510), the first squeeze flange and the second squeeze flange are used for limiting the upper side and the lower side of a bent part, and the deep drawing and the shrinkage of the upper part and the lower part of the bent part in the width direction are limited to be consistent, so that the beam body of the bent part of the beam body is continuously pressed, and the beam body is formed into a wave-shaped structure with a vertical section;

the telescopic bracket (540) comprises a first shaft bracket (541), a second shaft bracket (542) and a return spring (544), wherein the return spring (544) is arranged at the joint of the first shaft bracket (541) and the second shaft bracket (542);

one side of the workbench (100) is provided with a driving assembly (400), and the driving end of the driving assembly (400) is connected with the extrusion roller (510);

the bottom ends of the squeeze rollers (510) are respectively provided with a transmission gear (530), the driving assembly (400) comprises a second hydraulic cylinder (410) and a rack (420), the rack (420) is arranged at one end of a piston rod of the second hydraulic cylinder (410), and the rack (420) is in meshed transmission connection with the transmission gears (530);

a limiting buckle seat (110) is arranged on one side, close to the processing roller set (500), of the workbench (100), a sliding limiting groove is formed in the limiting buckle seat (110), and a workpiece (900) to be processed is inserted into the sliding limiting groove;

an adjusting rail (310) is arranged on the workbench (100), a support is arranged at the bottom end of the first buckle seat (300), and the bottom end of the support is slidably connected in the adjusting rail (310);

the first buckling seat (300) and the second buckling seat (600) comprise a forming seat body (610) and a rotating shaft (620), the rotating shaft (620) is arranged on the outer wall of the bottom end of the forming seat body (610), shaft holes are formed in the tops of the support and the rotating arm (700), and the rotating shaft (620) is inserted into the shaft holes.

2. The bending equipment for parts of a truck according to claim 1, wherein limiting pins are arranged at the joints of the first shaft frame (541), the second shaft frame (542) and the connecting shaft, a shaft frame support is arranged between the first shaft frame (541) and the second shaft frame (542), and the bottom end of the shaft frame support is mounted on the workbench (100).

3. The bending equipment for parts of a truck according to claim 2, wherein the opposite ends of the first axle frame (541) and the second axle frame (542) are respectively provided with an insert piece (543), and the insert pieces (543) between the first axle frame (541) and the second axle frame (542) are mutually inserted and connected.

4. A bending apparatus for parts of a truck according to claim 3, characterized in that a limit frame (430) is provided on one side of the table (100), and the rack (420) is slidably connected in the limit frame (430).