CN211413264U

CN211413264U - Bending device of vehicle chassis

Info

Publication number: CN211413264U
Application number: CN201921821003.6U
Authority: CN
Inventors: 王淑革
Original assignee: Shenyang Huakai Science & Technology Co ltd
Current assignee: Shenyang Huakai Science & Technology Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-09-04
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to the technical field of bending devices, in particular to a bending device of a vehicle chassis, which comprises a base, wherein a supporting platform is arranged at the top end of the base, two first brackets are symmetrically arranged at the top end of the supporting platform, a steel pipe is clamped at the top end of the supporting platform, two second brackets are symmetrically and fixedly arranged at the top end of the base, a third hydraulic cylinder is fixedly arranged on the two second brackets and close to one side of the supporting platform, a top plate is fixedly arranged at the ends of the two first brackets and the two second brackets, which are far away from the base, a first hydraulic cylinder is arranged at the end of the top plate, which is close to the base, and a second hydraulic cylinder is arranged at the end of the top plate, which is close to the base, the utility model provides a bending device of the vehicle chassis, the bending device is provided with a limiting groove, the steel, can heat the steel pipe and make it change in bending, effectively improve its work efficiency.

Description

Bending device of vehicle chassis

Technical Field

The utility model relates to a bending device technical field especially relates to a bending device of vehicle chassis.

Background

The vehicle chassis is a structure for supporting a vehicle body and is a rectangular framework formed by connecting a plurality of transverse and longitudinal steel pipes, the plurality of steel pipes are required to be welded into a whole in the production process of the vehicle chassis, part of the steel pipes are required to be bent and reach a vertical state at an angle of 90 degrees, and a bending device is required to be used when the steel pipes are bent and processed.

Traditional bending device does not set up the spacing groove in the use, easily leads to the steel pipe distortion, can't guarantee that the steel pipe is the vertical form after bending, need revise it, greatly reduced its effect of bending, do not set up the mechanism of flaming moreover, can't let the steel pipe be heated and easily extrude and produce deformation, the steel pipe extrusion under the normality is bent and is needed longer time, greatly reduced its work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the steel pipe that exists among the prior art and easily producing the distortion after bending and influencing its effect of bending and not heating the steel pipe, the steel pipe of normality is bent and is needed longer time to lead to the shortcoming that work efficiency is low, and the bending device of a vehicle chassis who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bending device of a vehicle underframe is designed, comprising a base, wherein a supporting platform is fixedly arranged at the top end of the base, two first brackets are symmetrically and fixedly arranged at the top end of the supporting platform, a steel pipe is clamped and placed at the position between the two first brackets at the top end of the supporting platform, two second brackets are symmetrically and fixedly arranged at the top end of the base and at one side far away from the supporting platform, a third hydraulic cylinder is fixedly arranged on the two second brackets and at one side close to the supporting platform, a top plate is fixedly arranged at one end of the two first brackets and one end of the two second brackets far away from the base, the roof is close to the one end of base and is located the top fixed mounting of steel pipe and has first pneumatic cylinder, the roof is close to the one end of base and is located the position fixed mounting between first pneumatic cylinder and the third pneumatic cylinder and has the second pneumatic cylinder, just the second pneumatic cylinder is located the top of steel pipe.

Preferably, a limiting groove is dug on the top of the supporting table and the side wall close to one side of the third hydraulic cylinder, the limiting grooves are communicated with each other, and the steel pipe is clamped and placed in the limiting groove dug at the top of the supporting table.

Preferably, a cylinder is fixedly mounted in the supporting table, a flaming mechanism is fixedly connected to one end, close to the third hydraulic cylinder, of the output end of the cylinder, and the flaming mechanism is arranged in the supporting table.

Preferably, movable mounting has the mechanism of spouting fire on the brace table, spout fire mechanism includes the gas pitcher, just the gas pitcher is close to the outer wall of cylinder one side and the output fixed connection of cylinder, four gyro wheels are installed, and four in the bottom symmetry rotation of gas pitcher the gyro wheel all is located the interior diapire of the cavity of digging in the brace table.

Preferably, the one end fixed mounting that the cylinder was kept away from to the gas pitcher has the shower nozzle, the one end that the gas pitcher was kept away from to the shower nozzle passes the brace table and is close to the opening that third pneumatic cylinder one side was dug and extends to the below of steel pipe.

Preferably, the outer wall of the air tank far away from one side of the air cylinder is fixedly provided with a button, and the button is positioned on one side of one inner side wall of the cavity excavated in the supporting table.

The utility model provides a pair of bending device of vehicle chassis, beneficial effect lies in:

1. this bending device is provided with a supporting bench to it has two spacing grooves that are perpendicular setting to open on a supporting bench, ensures that the steel pipe is bent around the joint in the spacing groove, has guaranteed then that the steel pipe is the vertical state after bending, and the distortion phenomenon can not appear, need not to revise it many times, has improved its effect of bending greatly.

2. This bending device is provided with flame projecting mechanism, and after the steel pipe is fixed to be accomplished, the department of bending steel pipe through flame projecting mechanism spouts the fire heating, and after the department of bending steel pipe temperature risees, produce deformation more easily when receiving the extrusion, effectively reduced the steel pipe required time of bending, improved its work efficiency greatly.

Drawings

Fig. 1 is a schematic view of an overall structure of a bending apparatus for a vehicle underframe according to the present invention;

fig. 2 is a side view of a bending apparatus for a vehicle underframe according to the present invention;

fig. 3 is a schematic view of an internal structure of a support table of a bending device for a vehicle underframe according to the present invention;

fig. 4 is the utility model provides a bending device supporting bench schematic structure of vehicle chassis.

In the figure: the fire-spraying device comprises a base 1, a support platform 2, an air cylinder 21, a limiting groove 22, a steel pipe 3, a first support 4, a top plate 5, a first hydraulic cylinder 6, a second hydraulic cylinder 7, a second support 8, a third hydraulic cylinder 9, a fire-spraying mechanism 10, an air tank 101, a button 102, a spray head 103 and a roller 104.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a bending device for a vehicle underframe comprises a base 1, wherein a supporting table 2 is fixedly installed at the top end of the base 1, two first supports 4 are symmetrically and fixedly installed at the top end of the supporting table 2, a steel pipe 3 is clamped and placed at the top end of the supporting table 2 and between the two first supports 4, two second supports 8 are symmetrically and fixedly installed at one side of the top end of the base 1, which is far away from the supporting table 2, a third hydraulic cylinder 9 is fixedly installed on the two second supports 8, which is close to one side of the supporting table 2, a top plate 5 is fixedly installed at one ends of the two first supports 4 and the two second supports 8, which are far away from the base 1, a first hydraulic cylinder 6 is fixedly installed at one end of the top plate 5, which is close to the base 1, and a second hydraulic cylinder 7 is fixedly installed at a position between the first hydraulic cylinder 6 and the third hydraulic cylinder 9, just second pneumatic cylinder 7 is located the top of

steel pipe

3, 3 joints of steel pipe 3 of vehicle chassis processing usefulness in the top of brace table 2, then drive the clamp plate through first pneumatic cylinder 6 and with its pressfitting in the top of brace table 2, steel pipe 3 produces the skew when avoiding bending the operation, improve its stability of bending, heat the department of bending of steel pipe 3 through flame projecting mechanism 10, steel pipe 3 is bent more easily after the heating, its work efficiency has effectively been improved, after steel pipe 3 preheats the completion, it can tentatively bend steel pipe 3 to drive the clamp plate downstream through second pneumatic cylinder 7, then drive the clamp plate through third pneumatic cylinder 9 and further bend steel pipe 3, can reach perpendicular angle after guaranteeing that steel pipe 3 bends, it bends the effect has been improved greatly.

Wherein, prop up supporting bench 2's top and all cut a spacing groove 22 on the lateral wall that is close to third pneumatic cylinder 9 one side, and two spacing groove 22 communicates each other, the spacing groove 22 that 2 tops of supporting bench were cut is placed in to 3 joints of steel pipe, and spacing groove 22 that cuts through 2 tops of supporting bench can let 3 more firm joints of steel pipe in supporting bench 2's top, can let its whole card go into two spacing grooves 22 after steel pipe 3 is bent twice, because two spacing grooves 22 are perpendicular settings, can guarantee to reach vertical angle after 3 steel pipes bend, need not to bend the correction many times to it, has improved its effect of bending greatly.

Wherein, fixed mounting has cylinder 21 in the brace table 2, the one end fixedly connected with that the cylinder 21 output is close to third pneumatic cylinder 9 spouts fire mechanism 10, just in putting brace table 2 in spouting fire mechanism 10, after the fixed completion of steel pipe 3, can release brace table 2 and heat steel pipe 3 with spouting fire mechanism 10 through cylinder 21, can accomodate spouting fire mechanism 10 in brace table 2 through cylinder 21 once more after the heating is accomplished, avoids spouting fire mechanism 10 and hinders going on of the operation of bending.

Wherein, supporting bench 2 is last movable mounting has flame projecting mechanism 10, flame projecting mechanism 10 includes gas pitcher 101, just gas pitcher 101 is close to the outer wall of cylinder 21 one side and the output fixed connection of cylinder 21, four gyro wheels 104 are installed in the bottom symmetry rotation of gas pitcher 101, and four gyro wheel 104 all is located the interior diapire of the cavity of digging in supporting bench 2, can improve the slip efficiency of gas pitcher 101 through gyro wheel 104, ensures that cylinder 21 drives flame projecting mechanism 10 smoothly and removes in supporting bench 2.

Wherein, the one end fixed mounting that cylinder 21 was kept away from to gas pitcher 101 has shower nozzle 103, the one end that gas pitcher 101 was kept away from to shower nozzle 103 passes the brace table 2 and is close to the opening that third pneumatic cylinder 9 one side was excavated and extends to the below of steel pipe 3, ensures that shower nozzle 103 can move to the below of steel pipe 3, then carries out the flame projecting heating to steel pipe 3.

Wherein, fixed mounting has button 102 on the outer wall of cylinder 21 one side is kept away from to gas pitcher 101, just button 102 is located one side of a inside wall of the cavity of digging in supporting bench 2, when cylinder 21 promoted gas pitcher 101 and removed and pushed shower nozzle 103 to the below of steel pipe 3, the cavity inside wall extrusion of digging in button 102 was supported bench 2, then can let shower nozzle 103 spout fire and heat steel pipe 3, after the heating is accomplished, cylinder 21 pulls back gas pitcher 101 home position, button 102 no longer receives the extrusion this moment, then can let shower nozzle 103 stop the flame projecting, the closing and opening of mechanism 10 are spouted in convenient control.

The working principle is as follows: specifically, when the utility model is used, firstly, part of the steel pipe 3 is clamped in the limiting groove 22 cut at the top end of the support platform 2, then the pressing plate is driven by the first hydraulic cylinder 6 to move towards the steel pipe 3, the steel pipe 3 is firmly fixed at the top end of the support platform 2, the flame spraying mechanism 10 is pushed to move by the air cylinder 21, and the spray head 103 is pushed to the lower part of the bent part of the steel pipe 3, at the moment, the button 102 arranged on the air tank 101 is extruded by the inner side wall of the cavity cut in the support platform 2, then the flame spraying mechanism 10 can be in an open state, and the flame spraying is carried out on the steel pipe 3 by the spray head 103, when the temperature of the bent part of the steel pipe 3 rises, the deformation is more easily generated by extrusion, the defect that the traditional bending in normal state needs longer time for extrusion is avoided, the time needed for bending is reduced, the working efficiency is greatly improved, after the heating of the, in drawing back shower nozzle 103 through cylinder 21 again in the cavity of digging in the brace table 2, avoid shower nozzle 103 to hinder going on of the further operation of bending of steel pipe 3, drive the clamp plate through second pneumatic cylinder 7 and move down, then can tentatively extrude bending to steel pipe 3, after steel pipe 3 formed certain camber, drive the clamp plate through third pneumatic cylinder 9 and carry out further extrusion bending to steel pipe 3, and impress the part after steel pipe 3 is bent in the spacing groove 22 of digging on the brace table 2 lateral wall, because two spacing grooves 22 are perpendicular settings, ensure that the steel pipe 3 after bending is the vertical state, avoid it to produce the distortion, need not to carry out subsequent correction to the steel pipe 3 after bending, its effect of bending has been improved greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The bending device for the vehicle underframe comprises a base (1) and is characterized in that a supporting table (2) is fixedly mounted at the top end of the base (1), two first supports (4) are symmetrically and fixedly mounted at the top end of the supporting table (2), a steel pipe (3) is placed at the top end of the supporting table (2) in a position clamping mode between the two first supports (4), two second supports (8) are symmetrically and fixedly mounted at one side of the top end of the base (1) far away from the supporting table (2), a third hydraulic cylinder (9) is fixedly mounted at one side of each of the two second supports (8) close to the supporting table (2) together, a top plate (5) is fixedly mounted at one end of the first support (4) and one end of the two second supports (8) far away from the base (1) together, a first hydraulic cylinder (6) is fixedly mounted at one end of the top plate (5) close to the base (1) and above the steel pipe (3), one end of the top plate (5) close to the base (1) is fixedly provided with a second hydraulic cylinder (7) at a position between the first hydraulic cylinder (6) and the third hydraulic cylinder (9), and the second hydraulic cylinder (7) is positioned above the steel pipe (3).

2. The bending device for the underframe of the vehicle as claimed in claim 1, wherein a limit groove (22) is drilled on the top end of the support platform (2) and the side wall of one side of the support platform close to the third hydraulic cylinder (9), the two limit grooves (22) are communicated with each other, and the steel pipe (3) is clamped and placed in the limit groove (22) drilled on the top end of the support platform (2).

3. The bending device for the underframe of the vehicle according to claim 1, wherein an air cylinder (21) is fixedly installed in the supporting platform (2), a flaming mechanism (10) is fixedly connected to one end, close to the third hydraulic cylinder (9), of an output end of the air cylinder (21), and the flaming mechanism (10) is arranged in the supporting platform (2).

4. The bending device for the underframe of the vehicle according to claim 1, wherein a flame spraying mechanism (10) is movably mounted on the supporting platform (2), the flame spraying mechanism (10) comprises an air tank (101), the outer wall of one side, close to the air cylinder (21), of the air tank (101) is fixedly connected with the output end of the air cylinder (21), four rollers (104) are symmetrically and rotatably mounted at the bottom end of the air tank (101), and the four rollers (104) are all located on the inner bottom wall of a cavity excavated in the supporting platform (2).

5. The bending device for the underframe of the vehicle according to claim 4, wherein a spray head (103) is fixedly mounted at one end of the gas cylinder (101) far away from the gas cylinder (21), and one end of the spray head (103) far away from the gas cylinder (101) passes through a through hole cut in the support table (2) on the side close to the third hydraulic cylinder (9) and extends to the lower part of the steel pipe (3).

6. The device for bending the underframe of a vehicle according to claim 4, wherein the button (102) is fixedly mounted on the outer wall of the gas tank (101) on the side far away from the gas cylinder (21), and the button (102) is positioned on the side of one inner side wall of the cavity excavated in the support table (2).