CN210280303U

CN210280303U - Square return bend former

Info

Publication number: CN210280303U
Application number: CN201920826768.2U
Authority: CN
Inventors: 林俊
Original assignee: Xiamen Meichi Auto Parts Industrial Co ltd
Current assignee: Xiamen Meichi Auto Parts Industrial Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-10
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a square elbow forming device, which comprises a frame, a driving component, a forming component, a feeding component and a cleaning structure; the molding assembly is arranged on the frame; the forming component comprises a driving wheel, a guide wheel and a bending wheel which are respectively arranged on the frame; the guide wheel is positioned between the driving wheel and the bending wheel, and the driving wheel and the guide wheel form a forming channel for guiding the square tube; the bending wheel drives the square pipe to move through the driving assembly and is used for pushing the square pipe to bend in an arc shape by taking the guide wheel as a fulcrum; the driving assembly is arranged on the frame; the driving assembly comprises a motor and a pushing cylinder; an output shaft of the motor is in rotation stopping fit with the driving wheel; the utility model provides a square return bend former reduces the manpower, promotes production efficiency, and square return bend size after the shaping is accurate, the precision is high, promotes bending forming's quality, easily satisfies the production demand.

Description

Square return bend former

Technical Field

The utility model relates to an automobile manufacturing trade especially is relevant with a square return bend former.

Background

The front wall, the rear wall and the side edges of the existing large-sized automobile are formed by splicing and welding, namely, frame welding is needed firstly, and then thin metal plates in various shapes are spliced and welded on the basis of the frame respectively; the frame is formed by welding various square bent pipes and straight pipes;

most of the existing square bent pipe forming processes are bent manually, the bending angles are not uniform, and time and labor are consumed; moreover, the existing square bent pipe has uneven force application points in the forming process, and due to the hollow square pipe, cracking or stress points are easily generated in the bending process, and particularly after the surface of the square pipe is stained, defective products (defective products) are more easily generated in the bending process;

therefore, the existing square elbow forming method needs to be further improved to meet the production requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the existing problems, and provides a square bent pipe forming device which has simple structure, reasonable design and easy realization, and the square bent pipe is bent after being cleaned, thereby improving the quality of bending forming and easily meeting the production requirements;

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

the utility model provides a square return bend former which characterized in that: the molding equipment comprises a rack, a driving component, a molding component, a feeding component and a cleaning structure;

the molding assembly is arranged on the frame; the forming component comprises a driving wheel, a guide wheel and a bending wheel which are respectively arranged on the frame; the guide wheel is positioned between the driving wheel and the bending wheel, and the driving wheel and the guide wheel form a forming channel for guiding the square tube; the bending wheel drives the square pipe to move through the driving assembly and is used for pushing the square pipe to bend in an arc shape by taking the guide wheel as a fulcrum;

the driving assembly is arranged on the frame; the driving assembly comprises a motor and a pushing cylinder; an output shaft of the motor is in rotation stopping fit with the driving wheel; a piston rod of the pushing cylinder is connected with the bending wheel;

the feeding assembly is arranged on the rack and is positioned at the feeding port of the forming channel; the feeding assembly comprises a connecting seat which is fixedly connected to the side part of the frame and is provided with a first through groove for the square pipe to extend into;

the cleaning structure is arranged between the connecting seat and the driving wheel and is used for cleaning the outer surface of the square pipe; the cleaning structure comprises a fixed seat, a cleaning brush and a blowing device; the fixed seat is connected with the rack, and a second through groove for the square tube to penetrate through is formed in the fixed seat; the cleaning brush is arranged on the groove wall of the second through groove and used for scraping and brushing the outer surface of the square pipe; the blowing device is arranged on the fixed seat and blows the square pipe corresponding to the inlet and the outlet of the second through groove.

Furthermore, the blowing device comprises a fan, a connecting pipeline and a switch air valve, the switch air valve is communicated with the fan through the connecting pipeline, and the switch air valve is blown to the outer surface of the square pipe.

Furthermore, the bending wheel comprises a base, a connecting shaft and a rotating wheel, the base is connected with the pushing cylinder, and an accommodating cavity for the rotating wheel to be placed in is formed in the base; the rotating wheel is arranged in the accommodating cavity through a connecting shaft.

Technical scheme for prior art, the beneficial effect who gains is:

the utility model provides a square elbow forming device, its simple structure, reasonable in design and easy realization utilize forming device to reduce the manpower, promote production efficiency, and the square elbow size after the shaping is accurate, the precision is high, in order to prevent rust-preventive oil, dirt etc. influence bending on square pipe surface, adopts cleaning device to clean square pipe before bending, promotes the quality of bending, easily satisfies the production demand; the utility model also utilizes the continuous pressurization of the ejection cylinder to slowly bend, and the square pipe is not easy to crack in the bending process;

drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic perspective view of a square elbow forming device according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of the blowing device of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 2, the square elbow forming device of the present invention comprises a frame 1, a driving assembly 2, a forming assembly 3, a feeding assembly 4 and a cleaning structure 5;

a molding member 3 mounted on the frame 1; the forming component 3 comprises a driving wheel 31, a guide wheel 32 and a bending wheel 33 which are respectively arranged on the frame 1;

the guide wheel 32 is positioned between the transmission wheel 31 and the bending wheel 33, and the transmission wheel 31 and the guide wheel 32 form a forming channel 7 for guiding the square tube 6; it should be noted that the driving wheel 31 is disposed on the same side as the bending wheel 33, and the guide wheel 32 is disposed on the other side of the forming passage 7;

the guide wheel 32 plays a role of guiding and bending supporting points;

the bending wheel 33 is driven to displace by the driving component 2; the bending wheel 33 is used as a force application wheel for extruding and bending the square pipe and is used for pushing the square pipe 6 to be bent in an arc shape by taking the guide wheel 32 as a fulcrum; the bending wheel 33 comprises a base 330, a connecting shaft 331 and a rotating wheel 332, wherein the base 330 is connected with the pushing cylinder 21 of the driving assembly 2, and an accommodating cavity 330A for accommodating the rotating wheel 332 is formed in the base 330; the rotating wheel 332 is arranged in the accommodating cavity 330A through a connecting shaft 331;

a driving assembly 2 mounted on the frame 1; the driving assembly 2 comprises a motor 20 and a pushing cylinder 21; an output shaft of the motor 20 is in rotation stopping fit with the driving wheel 31; the piston rod 210 of the pushing cylinder 21 is connected with the bending wheel 33;

the feeding component 4 is arranged on the frame 1 and is positioned at a feeding port of the forming channel 7; the feeding assembly 4 comprises a connecting base 41 which is fixedly connected to the side of the frame 1 and provided with a first through groove 410 for the square tube 6 to extend into;

a cleaning structure 5 arranged between the connecting seat 41 and the driving wheel 31 and used for cleaning the outer surface of the square pipe 6; the cleaning structure 5 comprises a fixed seat 51, a cleaning brush 52 and a blowing device 53; the fixed seat 51 is connected with the frame 1, and is provided with a second through groove 510 for the square tube 6 to penetrate through; the cleaning brush 52 is arranged on the wall of the second through groove 510 and is used for scraping and brushing the outer surface of the square pipe 6; the blowing device 53 is disposed on the fixing base 51, and blows the square pipe corresponding to the inlet and outlet of the second through-slot 510.

More specifically, the blowing device 53 includes a fan (not shown), a connecting line 531 and a switching damper 532, the switching damper 532 is conducted with the fan (not shown) through the connecting line 531, and the switching damper 532 is attached to the outer surface of the square tube 6.

In actual use, the square tube 6 penetrates through the first through groove 410 of the connecting seat 41 and extends into the forming channel 7; in the process, the air passes through the first through groove 410 and then enters the second through groove 510 of the fixed seat 51, when the air enters the inlet of the second through groove 510, the fan (not shown in the figure) is started, the generated air passes through the connecting pipeline 531 to the switch air valve 532, the switch air valve 532 is started, then the ash removal treatment is carried out on the outer wall of the square tube 6, then the square tube 6 enters the second through groove 510, the cleaning brush 52 arranged on the wall of the groove scrapes and brushes the outer wall of the square tube 6 until the air is moved out of the second through groove 510, then the switch air valve 532 is arranged at the outlet of the second through groove 510, and the switch air valve 532 is also started to clean the square tube 6 after being scraped; through the square pipe 6 of the cleaning device, the surface is not easy to stain so as to improve the subsequent bending quality and not easy to slip and crack; secondly, the cleaned square tube 6 enters an inlet of the forming channel 7, at the moment, the square tube 6 firstly reaches the driving wheel 31, the driving wheel 31 is connected with an output shaft of the motor 20, the motor 20 is started, and the driving wheel 31 is linked to rotate so as to drive the square tube 6 to move along the forming channel 7;

thirdly, the pushing cylinder 21 is started through the controller, after the cylinder is continuously pressurized, the piston rod 210 pushes the base 330 to move, the rotating wheel 332 on the base is further linked to apply pressure to the square pipe 6, then the square pipe 6 is slowly pushed to bend by taking the guide wheel 32 as a fulcrum, until the square pipe is bent and formed, the pushing cylinder 21 drives the rotating wheel 332 on the base 330 to reset, and the motor 20 continuously drives the whole square pipe 6 to move out of the forming channel 7; in the bending process, the rotatable driving wheel 31, the guide wheel 32 and the rotating wheel 332 are adopted for bending forming, the bending radian is smooth and excessive, the force application is uniform, stress points are not easy to generate, and cracking is prevented.

while the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a square return bend former which characterized in that: the molding equipment comprises a rack, a driving component, a molding component, a feeding component and a cleaning structure;

2. The square elbow molding apparatus according to claim 1, wherein: the blowing device comprises a fan, a connecting pipeline and a switch air valve, the switch air valve is communicated with the fan through the connecting pipeline, and the switch air valve is blown to the outer surface of the square pipe.

3. A square elbow molding apparatus according to claim 1 or 2, wherein: the bending wheel comprises a base, a connecting shaft and a rotating wheel, the base is connected with the pushing cylinder, and an accommodating cavity for the rotating wheel to be placed in is formed in the base; the rotating wheel is arranged in the accommodating cavity through a connecting shaft.