CN112208087A

CN112208087A - Nondestructive bending mechanism

Info

Publication number: CN112208087A
Application number: CN202011150888.9A
Authority: CN
Inventors: 熊世伟
Original assignee: Guangdong Lidi Intelligent Technology Co ltd
Current assignee: Guangdong Lidi Intelligent Technology Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-01-12

Abstract

The invention relates to the technical field of bending equipment, in particular to a nondestructive bending mechanism, which comprises a rack and a rotating rod, wherein a plurality of mounting rack components which are arranged at intervals along the length direction of the rotating rod are fixedly arranged on the rotating rod, and each mounting rack component is fixedly provided with at least one bending suction nozzle; the two end parts of the rotating rod are provided with rotating arms, one end parts of the rotating arms are fixedly connected with the rotating rod, and the other end parts of the rotating arms are hinged with the rack through hinge parts; the frame is also provided with a driving mechanism for driving the rotating arm to rotate around the hinge piece; compared with the prior art, the manual bending mode in the past is replaced, the working efficiency is improved, the automation degree is improved, the labor intensity of workers and people is reduced, the labor cost is saved, and the benefit is improved.

Description

Nondestructive bending mechanism

Technical Field

The invention relates to the technical field of bending equipment, in particular to a nondestructive bending mechanism.

Background

Some areas of the flexible PCB need to be bent in production to meet the assembly requirements of electronic products, the current bending mode is generally that bending is performed manually by workers by means of simple jigs, but the problems of low bending precision, low automation degree, low production efficiency, high rejection rate in the production process and the like exist, and the other bending mode is that bending is performed by stamping through a die, so that the circuit is easy to break or damage, the rejection rate is high, the bending angle is limited, and the applicability is poor.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a nondestructive bending mechanism which can solve the problem of low working efficiency.

The purpose of the invention is realized by the following technical scheme: the application provides a nondestructive bending mechanism which comprises a rack and a rotating rod, wherein a plurality of mounting rack components which are arranged at intervals along the length direction of the rotating rod are fixedly arranged on the rotating rod, and each mounting rack component is fixedly provided with at least one bending suction nozzle; the two end parts of the rotating rod are provided with rotating arms, one end parts of the rotating arms are fixedly connected with the rotating rod, and the other end parts of the rotating arms are hinged with the rack through hinge parts; the frame is also provided with a driving mechanism for driving the rotating arm to rotate around the hinged piece.

The driving mechanism comprises a driving motor, a driving chain wheel, a driven chain wheel, a rotating shaft and a tensioning wheel assembly, an output shaft of the driving motor is fixedly connected with the driving chain wheel, the driving chain wheel is connected with the driven chain wheel through a chain, the driven chain wheel is fixedly sleeved on the rotating shaft, the end part of the rotating shaft is connected with the input end of the tensioning wheel assembly, and the output end of the tensioning wheel assembly is connected with the rotating arm.

The tension pulley assembly comprises a synchronous belt, a driving wheel, a driven wheel, an adjusting roller and two pinch rollers, the synchronous belt is sleeved on the driving wheel and the driven wheel, the adjusting roller is arranged in the synchronous belt and the height of the adjusting roller is adjustable, the two pinch rollers are arranged on the outer peripheral side of the synchronous belt and the height of each pinch roller is adjustable;

the driving wheel is fixedly connected with the rotating shaft, and the driven wheel is fixedly connected with the rotating arm through a hinge.

Wherein, be equipped with the angle sensor who is used for detecting pivot turned angle in the pivot.

Wherein, the frame is equipped with the installation ear that a plurality of intervals were arranged towards one side of pivot, and each installation ear all sets up the mounting hole that supplies the pivot to pass, is equipped with the bearing between the pore wall of mounting hole and the periphery side of pivot.

The mounting frame assembly comprises a mounting seat clamped on the rotating shaft, a sliding plate capable of sliding along the mounting seat and a mounting plate capable of sliding along the sliding plate, and the bending suction nozzle is fixedly mounted on the mounting plate.

Wherein, the side fixed mounting of frame has the fixing base.

Wherein the hinge is a rotating shaft.

The invention has the beneficial effects that: the nondestructive bending mechanism has the working process that the bending suction nozzle adsorbs the bending part of a workpiece to be bent, and after the workpiece to be bent is tightly pressed by matching with an external positioning device, the driving mechanism drives the rotating arm to rotate, and the rotating arm rotates and drives the suction nozzle to do circular motion, so that the bending part of the workpiece to be bent can be sucked up, and the bending effect is achieved;

compared with the prior art, the automatic bending machine has the advantages that the former manual bending mode is replaced, the working efficiency is improved, the automation degree is improved, the labor intensity of workers is reduced, the labor cost is saved, the benefit is improved, in addition, the surface of a product can be effectively protected through the sucking disc, and the lossless bending effect is achieved.

Drawings

The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

FIG. 1 is a schematic structural view of a nondestructive bending mechanism in the embodiment.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Reference numerals: the device comprises a driving motor 1, a driving sprocket 11, a driven sprocket 12, a rotating shaft 2, a bearing 21, a frame 3, a mounting lug 31, a tensioning wheel assembly 4, a driving wheel 41, a driven wheel 42, an adjusting roller 43, a belt pressing wheel 44, a rotating rod 5, a mounting frame assembly 6, a mounting seat 61, a sliding plate 62, a mounting plate 63, a bending suction nozzle 7 and a rotating arm 8.

Detailed Description

The invention is further described with reference to the following examples.

Referring to fig. 1 to 3, the nondestructive bending mechanism includes a frame 3 and a rotating rod 5, wherein a plurality of mounting bracket assemblies 6 arranged at intervals along the length direction of the rotating rod 5 are fixedly mounted on the rotating rod 5, each mounting bracket assembly 6 is fixedly mounted with one bending suction nozzle 7, and it should be noted that the number of the bending suction nozzles 7 and the distance between two adjacent bending suction nozzles 7 can be selected according to actual requirements. Both ends of dwang 5 all have rotor arm 8, and rotor arm 8's one end and dwang 5 rigid coupling, another tip of rotor arm 8 passes through the articulated elements and articulates with frame 3. The frame 3 is further provided with a drive mechanism for driving the swivel arm 8 to swivel about the hinge. The structure above can realize that actuating mechanism drive rotor arm 8 is rotatory, thereby rotor arm 8 is rotatory to drive the suction nozzle and rotate according to certain angle to realize the suction nozzle 7 of bending and can bend the action.

In this embodiment, please see fig. 1, the driving mechanism includes a driving motor 1, a driving sprocket 11, a driven sprocket 12, a rotating shaft 2 and a tension wheel assembly 4, an output shaft of the driving motor 1 is fixedly connected to the driving sprocket 11, the driving sprocket 11 is connected to the driven sprocket 12 through a chain, the driven sprocket 12 is fixedly sleeved on the rotating shaft 2, an end of the rotating shaft 2 is connected to an input end of the tension wheel assembly 4, and an output end of the tension wheel assembly 4 is connected to the rotating arm 8. The chain transmission is adopted as a first transmission structure, and compared with belt transmission, the belt transmission has the advantages of no elastic sliding and slipping phenomenon, accurate average transmission ratio, reliable work and high efficiency; the transmission power is large, the overload capacity is strong, and the transmission size under the same working condition is small; the required tension is small, and the pressure acting on the shaft is small; can work in severe environments such as high temperature, humidity, dustiness, pollution and the like.

In the present embodiment, please see fig. 2, the tensioning wheel assembly 4 includes a timing belt, a driving wheel 41, a driven wheel 42, an adjusting roller 43 and two pinch rollers 44, the timing belt is sleeved on the driving wheel 41 and the driven wheel 42, the adjusting roller 43 is disposed in the timing belt and the height of the adjusting roller 43 is adjustable, and the two pinch rollers 44 are disposed on the outer periphery of the timing belt and the height of each pinch roller 44 is adjustable. The driving wheel 41 is fixedly connected with the rotating shaft 2, and the driven wheel 42 is fixedly connected with the rotating arm 8 through a hinge, preferably, the hinge is the rotating shaft 2. This structure can keep the hold-in range can possess suitable tensile force at the transmission in-process to avoid the hold-in range to skid, or avoid the hold-in range to take place to drag out, reduce wearing and tearing, thereby further improve the precision of bending, can control the turned angle of the suction nozzle 7 of bending accurately, thereby the angle of control is bent.

In the present embodiment, in order to further precisely control the rotation angle of the bending suction nozzle 7 and thus the bending angle, an angle sensor for detecting the rotation angle of the rotating shaft 2 is provided on the rotating shaft 2.

In this embodiment, in order to improve the stability of pivot 2, frame 3 is equipped with a plurality of installation ears 31 that the interval was arranged towards one side of pivot 2, and each installation ear 31 all offers the mounting hole that supplies pivot 2 to pass, is equipped with bearing 21 between the pore wall of mounting hole and the periphery side of pivot 2.

In this embodiment, please refer to fig. 3, the mounting bracket assembly 6 includes a mounting seat 61 clamped on the rotation shaft, a sliding plate 62 capable of sliding along the mounting seat 61, and a mounting plate 63 capable of sliding along the sliding plate 62, and the bending suction nozzle 7 is fixedly mounted on the mounting plate 63, it should be noted that a locking mechanism composed of a bolt and a nut can be added to the connection fit between the mounting seat 61 and the rotation shaft, the connection fit between the sliding plate 62 and the mounting seat 61, and the connection fit between the sliding plate 62 and the mounting plate 63, or a locking mechanism of a screw and a threaded hole is adopted, so that the position of the bending suction nozzle 7 can be fixed after the position of the bending suction nozzle 7 is adjusted according to requirements, and the applicability of the bending mechanism is increased.

In this embodiment, the bending mechanism is conveniently and fixedly mounted to an external device. The side of frame 3 is fixed mounting has the fixing base.

The working process of the nondestructive bending mechanism of the embodiment is that the bending suction nozzle 7 adsorbs the bending part of the workpiece to be bent, and after the workpiece to be bent is pressed by matching with an external positioning device, the driving mechanism drives the rotating arm 8 to rotate, and the rotating arm 8 rotates and drives the suction nozzle to do circular motion, so that the bending part of the workpiece to be bent can be sucked up, and the bending effect is achieved; compared with the prior art, the automatic bending machine has the advantages that the former manual bending mode is replaced, the working efficiency is improved, the automation degree is improved, the labor intensity of workers is reduced, the labor cost is saved, the benefit is improved, in addition, the surface of a product can be effectively protected through the sucking disc, and the lossless bending effect is achieved.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a harmless mechanism of bending which characterized in that: the device comprises a rack and a rotating rod, wherein a plurality of mounting rack components which are arranged at intervals along the length direction of the rotating rod are fixedly arranged on the rotating rod, and each mounting rack component is fixedly provided with at least one bending suction nozzle;

rotating arms are arranged at two end parts of the rotating rod, one end part of each rotating arm is fixedly connected with the rotating rod, and the other end part of each rotating arm is hinged with the rack through a hinge piece;

the frame is also provided with a driving mechanism for driving the rotating arm to rotate around the hinged part.

2. The nondestructive bending mechanism according to claim 1, characterized in that: the driving mechanism comprises a driving motor, a driving chain wheel, a driven chain wheel, a rotating shaft and a tensioning wheel assembly, an output shaft of the driving motor is fixedly connected with the driving chain wheel, the driving chain wheel is connected with the driven chain wheel through a chain, the driven chain wheel is fixedly sleeved on the rotating shaft, the end part of the rotating shaft is connected with the input end of the tensioning wheel assembly, and the output end of the tensioning wheel assembly is connected with the rotating arm.

3. The nondestructive bending mechanism according to claim 2, characterized in that: the tensioning wheel assembly comprises a synchronous belt, a driving wheel, a driven wheel, an adjusting roller and two pinch rollers, the synchronous belt is sleeved on the driving wheel and the driven wheel, the adjusting roller is arranged in the synchronous belt, the height of the adjusting roller is adjustable, the two pinch rollers are arranged on the outer peripheral side of the synchronous belt, and the height of each pinch roller is adjustable;

the driving wheel is fixedly connected with the rotating shaft, and the driven wheel is fixedly connected with the rotating arm through the hinge.

4. The nondestructive bending mechanism according to claim 2, characterized in that: and the rotating shaft is provided with an angle sensor for detecting the rotating angle of the rotating shaft.

5. The nondestructive bending mechanism according to claim 2, characterized in that: the frame orientation one side of pivot is equipped with the installation ear that a plurality of intervals were arranged, and each installation ear has all seted up the confession the mounting hole that the pivot passed, the pore wall of mounting hole with be equipped with the bearing between the periphery side of pivot.

6. The nondestructive bending mechanism according to claim 1, characterized in that: the mounting bracket assembly comprises a mounting seat clamped on the rotating shaft, a sliding plate capable of sliding along the mounting seat and a mounting plate capable of sliding along the sliding plate, and the bending suction nozzle is fixedly mounted on the mounting plate.

7. The nondestructive bending mechanism according to claim 1, characterized in that: and a fixed seat is fixedly arranged on the side surface of the rack.

8. The nondestructive bending mechanism according to claim 3, characterized in that: the articulated piece is a rotating shaft.