CN110508650B

CN110508650B - Bending machine

Info

Publication number: CN110508650B
Application number: CN201910767113.7A
Authority: CN
Inventors: 包瑞新; 胡青林; 栗佳; 张文涛; 张辉; 吴金鑫; 常洪亮; 李宪臣; 柯奉志; 孙孟缘; 靳皓阳; 佟禹欣; 李树东; 刘佳易; 赵瑞
Original assignee: Liaoning Shihua University
Current assignee: Fushun chuangde mechanical equipment Co.,Ltd.
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-11-06
Anticipated expiration: 2039-08-20
Also published as: CN110508650A

Abstract

The invention discloses a bending machine, which relates to the technical field of workpiece processing and comprises a rotating shaft, a swinging rod, a component plate, a moving frame and a pressing wheel, wherein the rotating shaft is arranged on a main body frame; the invention has the beneficial effects that the two sides of the main body frame corresponding to the rotating shaft are both fixed with component plates, the component plates are hinged with swing rods through pin shafts I, the upper ends of the swing rods are connected with moving frames through pin shafts II, pressing wheels are installed on the moving frames, the moving frames are installed on the surface of the main body frame and are in sliding fit with the main body frame, and the two moving frames are symmetrically arranged at the two sides of the clamping plate frame: the bending pattern of the workpiece depends on the profile of the special-shaped cam in the structure, the difficulties that the workpiece bending of the traditional processing equipment is not standard and the position is difficult to guarantee are overcome, the bending precision of the produced test piece is guaranteed, and the use requirement can be met.

Description

Bending machine

Technical Field

The invention relates to the technical field of workpiece processing, in particular to a bending machine.

Background

According to different production requirements, some test pieces or workpieces need to be manufactured into different bent shapes. However, until now, there has been no special apparatus for manufacturing a test piece or a workpiece in a curved shape.

At present, the bending process is mainly carried out by adopting a vice bending method or a support roller type bending device method in China. The vice bending method has the disadvantages of simple equipment and convenient operation, and has the defects that the bending of a test sample is not standard, the position is difficult to ensure, particularly, a welding part is difficult to ensure that the bending central line is on a fusion line, and the test is often ineffective due to the error of the bending position. The support-roller bending method is carried out by using a support roller type support and a sample bending pressure head and using a common material testing machine or a large-scale compressor, and although the method overcomes the defects of the vice bending method, the equipment is expensive and the operation convenience is poor.

Based on this, this application proposes a bending machine.

Disclosure of Invention

The present invention is directed to a bending machine to solve the problems set forth above in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a bending machine comprises a bending mechanism and a main body frame, wherein the bending mechanism comprises a rotating shaft, a swinging rod, a component plate, a moving frame and a pressing wheel, the rotating shaft is arranged on the main body frame, the end part of the rotating shaft extends out of the main body frame and is fixedly provided with a clamping plate frame which follows the rotating shaft, and a special-shaped cam is further fixed on the rotating shaft; the both sides position department that main body frame corresponds the pivot all is fixed with the component board, has the swinging arms through round pin axle I articulated on the component board, and the upper end of swinging arms is connected with removing the frame through round pin axle II, removes to install the pinch roller on the frame, removes the frame and installs on the main body frame surface and with it sliding fit, two remove the frame symmetrical arrangement in the both sides position of splint frame, the bearing of the wheel face contact with special-shaped cam is installed to the lower extreme of swinging arms.

As a further scheme of the invention: the main body frame is fixed with a positioning shaft, and each moving frame is provided with a channel matched with the positioning shaft.

As a still further scheme of the invention: the main body frame all installs the leading wheel in the both sides position department that corresponds the removal frame for the motion to removing the frame is led.

As a still further scheme of the invention: and the component plate is also provided with a tension spring, and the end part of the tension spring is connected with the oscillating rod and used for keeping the bearing at the end part of the oscillating rod to be always tightly attached to the special-shaped cam.

As a still further scheme of the invention: the main body frame is also internally provided with a motor speed reducer, the output end of the motor speed reducer is connected with a driving shaft for driving the driving bevel gear to rotate through a coupler, and the driving bevel gear is meshed with a driven bevel gear fixed on the rotating shaft.

As a still further scheme of the invention: the bending mechanisms are arranged into two groups, and the two groups of bending mechanisms output power by the motor reducer.

As a still further scheme of the invention: the two sets of rotating shafts of the bending mechanisms are connected through transmission parts, the transmission parts are gears, driving gears and driven gears are fixed on the two rotating shafts respectively, and the driving gears and the driven gears are meshed with the gears.

As a still further scheme of the invention: the gear is fixed on the vertical shaft, and the end part of the vertical shaft is provided with a pull pin.

Compared with the prior art, the invention has the beneficial effects that: the motor speed reducer is used for realizing transmission, so that the defect that the traditional bending device is manufactured manually is overcome, and the labor cost of the traditional method is saved; the bending pattern of the workpiece depends on the profile of the special-shaped cam in the structure, the difficulties that the workpiece bending of the traditional processing equipment is not standard and the position is difficult to ensure are overcome, the bending precision of the produced test piece is ensured, and the use requirement can be met; meanwhile, a parallel structure is adopted, so that two workpieces can be bent at one time, and the production efficiency is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a bending mechanism in a bending machine.

Fig. 2 is a schematic structural view of a bending machine.

FIG. 3 is a top view of a bending machine.

Fig. 4 is a schematic structural diagram of a special-shaped cam in a bending machine.

In the figure: 1-motor reducer, 2-coupler, 3-driving bevel gear, 4-driven bevel gear, 5-driving gear, 6-transmission piece, 7-driven gear, 8-rotating shaft, 9-special-shaped cam, 10-bearing, 11-swinging rod, 12-pin shaft I, 13-component plate, 14-tension spring, 15-moving frame, 16-pin shaft II, 17-clamping plate frame, 18-pinch roller, 19-positioning shaft, 20-guide wheel, 21-caster wheel, 22-main body frame, 23-vertical shaft and 24-pull pin.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Example 1

Referring to fig. 1 to 4, in an embodiment of the present invention, a bending machine includes a bending mechanism and a main body frame 22, the bending mechanism includes a rotating shaft 8, a swing rod 11, a member plate 13, a moving frame 15 and a pressing wheel 18, the rotating shaft 8 is installed on the main body frame 22, an end portion of the rotating shaft 8 extends out from the main body frame 22 and is fixed with a clamping plate frame 17 which follows the rotating shaft, a groove is formed on the clamping plate frame 17 and is used for clamping a workpiece to be completely processed and driving the workpiece to rotate, a special-shaped cam 9 is further fixed on the rotating shaft 8, and a contour line of the special-shaped cam 9 is determined by a shape of the workpiece to be processed, for example, in the present technical scheme, the special-shaped cam 9 is a symmetrical structure, and is similar to an apple as a whole, and certainly, when in actual application, a curved line shape; the main body frame 22 is fixed with component plates 13 at two sides corresponding to the rotating shaft 8, the component plates 13 are hinged with swing rods 11 through pin shafts I12, the upper ends of the swing rods 11 are connected with a movable frame 15 through pin shafts II16, the movable frame 15 is installed on the surface of the main body frame 22 and is in sliding fit with the main body frame, the two movable frames 15 are symmetrically arranged at two sides of a clamping frame 17, the lower ends of the swing rods 11 are provided with bearings 10 in contact with the wheel surface of a special-shaped cam 9, when the rotating shaft 8 drives the special-shaped cam 9 to rotate, the clamping frame 17 synchronously rotates, the swing rods 11 swing under the action of the special-shaped cam 9, so that the movable frame 15 reciprocates, and the amount of reciprocation motion is determined by the shape of the special-shaped cam 9; the moving frame 15 is provided with a pressing wheel 18.

In practical application, a workpiece is positioned and mounted on the clamping plate frame 17, the rotating shaft 8 drives the clamping plate frame 17 to synchronously rotate, and the pressing wheel 18 in contact with the surface of the workpiece is pressed by the moving frame 15 which reciprocates to extrude the workpiece so as to bend the workpiece.

Specifically, the main body frame 22 is fixed with a positioning shaft 19, and each of the moving frames 15 is provided with a channel matched with the positioning shaft 19, so that the moving direction of the moving frame 15 is not easy to deflect. Further, the main body frame 22 is mounted with guide wheels 20 at both side positions corresponding to the moving frame 15 to guide the movement of the moving frame 15.

In addition, a tension spring 14 is further mounted on the component plate 13, the end of the tension spring 14 is connected with the swing rod 11, and the tension spring is used for enabling the bearing 10 at the end of the swing rod 11 to be always kept in close contact with the special-shaped cam 9, and can also drive the swing rod 11 and the moving frame 15 to be timely reset when the special-shaped cam 9 and the bearing 10 have a tendency of being disengaged.

The main body frame 22 is also provided with a motor speed reducer 1, the output end of the motor speed reducer 1 is connected with a driving shaft for driving the driving bevel gear 3 to rotate through a coupler 2, the driving bevel gear 3 is meshed with a driven bevel gear 4 fixed on the rotating shaft 8, and when the motor speed reducer 1 outputs power, the motor speed reducer drives the rotating shaft 8 to rotate through the meshing effect among the bevel gears. The bottom of the main body frame 22 is also provided with a plurality of casters 21.

Example 2

Referring to fig. 2, in an embodiment of the present invention, in order to further improve the working efficiency, two bending mechanisms are provided, and both the two bending mechanisms output power by the motor reducer 1.

Specifically, the rotating shafts 8 of the two sets of bending mechanisms are connected through a transmission member 6, one of the rotating shafts 8 is provided with a driven bevel gear 4, the two rotating shafts 8 are respectively fixed with a driving gear 5 and a driven gear 7, the transmission member 6 is a gear, and the driving gear 5 and the driven gear 7 are both meshed with the gear.

In addition, the gear is fixed on a vertical shaft 23, a pull pin 24 is arranged at the end part of the vertical shaft 23, when the vertical shaft 23 is driven to move by the pull pin 24 or the vertical shaft 23 is pulled upwards, the gear can be disengaged from the driving gear 5 and the driven gear 7, and at the moment, when the motor reducer 1 is started, the other group of bending mechanisms does not work.

It should be particularly noted that in the technical scheme, the motor reducer is used for realizing transmission, so that the defect that the traditional bending device is manufactured manually is overcome, and the labor cost of the traditional method is saved; the bending pattern of the workpiece depends on the profile of the special-shaped cam in the structure, the difficulties that the workpiece bending of the traditional processing equipment is not standard and the position is difficult to ensure are overcome, the bending precision of the produced test piece is ensured, and the use requirement can be met; meanwhile, a parallel structure is adopted, so that two workpieces can be bent at one time, and the production efficiency is further improved.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A bending machine comprises a bending mechanism and a main body frame (22), and is characterized in that the bending mechanism comprises a rotating shaft (8), a swinging rod (11), a component plate (13), a moving frame (15) and a pressing wheel (18), wherein the rotating shaft (8) is installed on the main body frame (22), the end part of the rotating shaft (8) extends out of the main body frame (22) and is fixed with a clamping plate frame (17) which follows the rotating shaft, and a special-shaped cam (9) is further fixed on the rotating shaft (8); main body frame (22) correspond both sides position department of pivot (8) and all be fixed with component board (13), and it has swinging arms (11) to articulate through round pin axle I (12) on component board (13), and the upper end of swinging arms (11) is connected with removal frame (15) through round pin axle II (16), installs pinch roller (18) on removing frame (15), removes frame (15) and installs on main body frame (22) surface and sliding fit with it, two remove frame (15) symmetrical arrangement in the both sides position of splint frame (17), bearing (10) with the wheel face contact of special-shaped cam (9) are installed to the lower extreme of swinging arms (11).

2. A bending machine according to claim 1, wherein positioning shafts (19) are fixed to the main frame (22), and each of the moving carriages (15) is provided with a channel which is matched with the positioning shafts (19).

3. A bending machine according to claim 2, wherein the main frame (22) is provided with guide wheels (20) at positions corresponding to both sides of the moving frame (15) for guiding the movement of the moving frame (15).

4. A bending machine according to claim 1, 2 or 3, characterized in that the member plate (13) is further provided with a tension spring (14), and the end of the tension spring (14) is connected with the swing rod (11) for keeping the bearing (10) at the end of the swing rod (11) always in close contact with the special-shaped cam (9).

5. The bending machine according to claim 4, wherein a motor reducer (1) is further installed in the main body frame (22), an output end of the motor reducer (1) is connected with a driving shaft for driving the driving bevel gear (3) to rotate through a coupling (2), and the driving bevel gear (3) is meshed with a driven bevel gear (4) fixed on the rotating shaft (8).

6. A bending machine according to claim 5, wherein the bending mechanisms are arranged in two groups, and both groups of bending mechanisms are powered by a motor reducer (1).

7. A bending machine according to claim 6, wherein the shafts (8) of the two bending mechanisms are connected by a transmission member (6), the transmission member (6) is a gear, a driving gear (5) and a driven gear (7) are respectively fixed on the two shafts (8), and the driving gear (5) and the driven gear (7) are both meshed with the gear.

8. A bending machine according to claim 7, wherein said toothed wheel is fixed to a vertical shaft (23), the end of the vertical shaft (23) being provided with a pull pin (24).