CN210702224U

CN210702224U - Automatic bending machine for glasses legs of glasses

Info

Publication number: CN210702224U
Application number: CN201921212316.1U
Authority: CN
Inventors: 张英杰; 陈明; 魏安
Original assignee: Dongguan Rongan Electromechanical Equipment Co ltd
Current assignee: Dongguan Rongan Electromechanical Equipment Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-09
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses an automatic bender of glasses leg of glasses, including the board and set up spectacle frame positioning mechanism, glasses elevating gear, glasses leg head clamping device on the board, in the glasses leg clamping device, the leg tail erect curved mechanism, leg tail incurve mechanism, incurve mechanism in the leg, the leg tail erect curved arc dog, the leg tail incurve arc dog and the incurve arc dog in the leg. The utility model discloses not only efficient, stable in quality, degree of automation are high, can carry out afterbody perpendicular bend, afterbody incurve and middle part incurve to the glasses leg respectively through the mechanism of bending of difference moreover, and sensitivity is controlled easily to erect bending process, afterbody incurve process and middle part incurve process to the afterbody and all set up arc dog part, make the radian of the glasses leg after bending accord with predetermined requirement.

Description

Automatic bending machine for glasses legs of glasses

Technical Field

The utility model relates to a technical field is made to glasses, in particular to automatic bender of glasses's glasses leg.

Background

The production and manufacturing enterprises of the glasses are labor-intensive enterprises, and with the continuous improvement of labor cost and the development of industrial automation, the glasses manufacturing gradually replaces the traditional manual manufacturing by automatic intelligent mechanical equipment. However, in view of the particularity of the glasses production, the technical difficulty of realizing the automation degree is large, and the current glasses leg bending process comprises the following steps: and (5) performing pneumatic primary bending, and repeatedly performing manual correction on the drawing. The process has low efficiency, unstable quality and high labor intensity, so that equipment capable of realizing the automatic operation of the process is urgently needed in the market.

In view of this, the inventor applies for a chinese utility model patent 201811173749.0 in 2018, 10/9, which discloses a temple bending machine and a bending method for glasses, wherein the temple bending machine includes a machine table, and a glasses frame positioning device, a temple clamping device, a temple longitudinal bending device and a temple inward bending device which are arranged on the machine table; the spectacle frame positioning device is used for supporting and positioning a spectacle frame of spectacles; the earpiece clamping device comprises a left clamping device and a right clamping device which are symmetrical to each other and are respectively used for clamping the left earpiece and the right earpiece; the earpiece longitudinal bending device comprises a left longitudinal bending device and a right longitudinal bending device which are symmetrical with each other and are respectively used for longitudinally bending a left earpiece and a right earpiece of the glasses; the earpiece bending device comprises a left earpiece bending device and a right earpiece bending device which are symmetrical to each other and are respectively used for bending the left earpiece and the right earpiece of the glasses inwards. The utility model discloses efficient, stable in quality, degree of automation is high

However, the utility model also has the following problems: one of them, the incurve process of earpiece is accomplished through earpiece incurve device drive earpiece longitudinal bending device is whole rotatory, and the device of direct contact earpiece promptly is earpiece longitudinal bending device, specifically is the longitudinal bending wheel of earpiece longitudinal bending device, and earpiece incurve device then does not have direct contact earpiece, and the problem that leads to the fact like this is: 1) when the longitudinal bending wheel of the earpiece longitudinal bending device is used for inward bending, the earpiece is easy to slide out from the side part of the longitudinal bending wheel, so that the earpiece inward bending process cannot be finished; 2) the inward bending process can be finished only by driving the whole earpiece longitudinal bending device to integrally rotate by the earpiece inward bending device, the requirement on the power of an inward bending motor is high, and the sensitivity is difficult to control; secondly, only one earpiece clamping device is used for clamping and positioning the earpiece, and only one vertical bending and inward bending operation can be performed on the earpiece, so that the middle part and the tail part of the earpiece cannot be bent respectively; thirdly, as no stop block part is arranged in the bending process to resist the glasses legs, the radian of the bent glasses legs is difficult to meet the preset requirement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough according to above-mentioned prior art, an automatic bender of glasses leg is provided, this automatic bender is not only efficient, the steady quality, degree of automation is high, and can carry out the afterbody respectively through the different mechanism of bending to the glasses leg and erect the bending, afterbody incurve and middle part incurve, sensitivity is controlled easily, and erect the bending process to the afterbody, afterbody incurve process and middle part incurve process have all set up arc dog part, make the radian of the glasses leg after bending accord with predetermined requirement.

In order to solve the technical problem, the technical scheme of the utility model is that: an automatic bending machine for glasses legs of glasses comprises a machine table, and a glasses frame positioning mechanism, a glasses lifting device, a glasses leg head clamping device, a glasses leg middle clamping device, a leg tail vertical bending mechanism, a leg tail inward bending mechanism, a leg middle inward bending mechanism, a leg tail vertical bending arc stop block, a leg tail inward bending arc stop block and a leg middle inward bending arc stop block which are arranged on the machine table; the glasses frame positioning mechanism is used for supporting and positioning glasses frames of glasses, the glasses leg and leg head clamping devices comprise a left leg head clamping device and a right leg head clamping device which are symmetrical to each other, the left leg head clamping device is used for clamping left glasses leg and leg heads of the glasses, and the right leg head clamping device is used for clamping right glasses leg and leg heads of the glasses; the glasses lifting device is used for driving the glasses frame positioning mechanism and the glasses leg head clamping device to synchronously lift or descend; the glasses leg middle clamping devices comprise a left leg middle clamping device and a right leg middle clamping device which are symmetrical to each other, the left leg middle clamping device is used for clamping the middle of a left glasses leg of glasses, and the right leg middle clamping device is used for clamping the middle of a right glasses leg of the glasses; the leg tail vertical bending mechanism comprises a left leg tail vertical bending mechanism and a right leg tail vertical bending mechanism which are mutually symmetrical, the leg tail vertical bending arc stop block comprises a left leg tail vertical bending arc stop block and a right leg tail vertical bending arc stop block which are mutually symmetrical, the left leg tail vertical bending mechanism is used for vertically bending the tail part of a left glasses leg of the glasses onto the left leg tail vertical bending arc stop block, and the right leg tail vertical bending mechanism is used for vertically bending the tail part of a right glasses leg of the glasses onto the right leg tail vertical bending arc stop block; the glasses tail inward bending mechanism comprises a left glasses tail inward bending mechanism and a right glasses tail inward bending mechanism which are symmetrical to each other, the leg tail inward bending arc-shaped stop block comprises a left glasses tail inward bending arc-shaped stop block and a right glasses tail inward bending arc-shaped stop block which are symmetrical to each other, the left glasses tail inward bending mechanism is used for inwards bending the tail part of a left glasses leg of the glasses to the left glasses tail inward bending arc-shaped stop block, and the right glasses tail inward bending mechanism is used for inwards bending the tail part of a right glasses leg of the glasses to the right glasses tail inward bending arc-shaped stop block; the mechanism of bending in the leg includes the mechanism of bending in the left leg of mutual symmetry and the mechanism of bending in the right leg, the mechanism of bending in the leg includes the arc dog of bending in the left leg of mutual symmetry and the arc dog of bending in the right leg, the mechanism of bending in the left leg is used for bending the left eye mirror leg middle part of glasses inwards to the arc dog of bending in the left leg on, the mechanism of bending in the right leg is used for bending the right glasses leg middle part of glasses inwards to the arc dog of bending in the right leg.

Preferably, the glasses lifting device comprises a lifting cylinder, a lifting slider, a lifting connecting rod, a left glasses leg lifting plate and a right glasses leg lifting plate; the left end of the lifting connecting rod is connected with the left glasses leg lifting plate, and the right end of the lifting connecting rod is connected with the right glasses leg lifting plate; the left leg head clamping device is arranged on the left glasses leg lifting plate, and the right leg head clamping device is arranged on the right glasses leg lifting plate; the spectacle frame positioning mechanism comprises a positioning rod, one end of the positioning rod is connected with the lifting slide block, and the other end of the positioning rod extends forwards.

Preferably, the left leg head clamping device comprises a left leg head clamping cylinder, a left leg head clamping connecting rod and a left leg head clamping block, a cylinder rod of the left leg head clamping cylinder is connected with one end of the left leg head clamping connecting rod, and the other end of the left leg head clamping connecting rod is connected with the left leg head clamping block; the right leg head clamping device comprises a right leg head clamping cylinder, a right leg head clamping connecting rod and a right leg head clamping block, a cylinder rod of the right leg head clamping cylinder is connected with one end of the right leg head clamping connecting rod, and the other end of the right leg head clamping connecting rod is connected with the right leg head clamping block.

Preferably, the left leg middle clamping device comprises a left leg middle clamping cylinder, a left leg middle clamping connecting rod and a left leg middle clamping block, a cylinder rod of the left leg middle clamping cylinder is connected with one end of the left leg middle clamping connecting rod, and the other end of the left leg middle clamping connecting rod is connected with the left leg middle clamping block; the right leg middle clamping device comprises a right leg middle clamping cylinder, a right leg middle clamping connecting rod and a right leg middle clamping block, a cylinder rod of the right leg middle clamping cylinder is connected with one end of the right leg middle clamping connecting rod, and the other end of the right leg middle clamping connecting rod is connected with the right leg middle clamping block.

Preferably, the automatic bending machine for the glasses legs further comprises a left rotating plate, a left rotating main shaft, a left vertical bending motor, a left inner bending motor, a right rotating plate, a right rotating main shaft, a right vertical bending motor and a right inner bending motor; the left leg tail vertical bending mechanism, the left leg tail inward bending mechanism and the left leg middle inward bending mechanism are all connected with one end of the left rotating plate, and the other end of the left rotating plate is connected with the left rotating main shaft; a left belt pulley transmission mechanism is arranged between the left vertical bending motor and the left rotating main shaft, and the left vertical bending motor drives the left rotating main shaft to rotate through the left belt pulley transmission mechanism so as to drive the left rotating plate to rotate and then drive the left leg tail vertical bending mechanism to work; a left gear transmission mechanism is arranged between the left inward bending motor and the left rotating main shaft, and the left inward bending motor drives the left rotating main shaft to axially move through the left gear transmission mechanism so as to drive the left rotating plate to translate and then drive the left leg tail inward bending mechanism or the left leg middle inward bending mechanism to work; a right belt pulley transmission mechanism is arranged between the right vertical bending motor and the right rotating main shaft, and the right vertical bending motor drives the right rotating main shaft to rotate through the right belt pulley transmission mechanism so as to drive the right rotating plate to rotate and then drive the right leg tail vertical bending mechanism to work; and a right gear transmission mechanism is arranged between the right inward-bending motor and the right rotating main shaft, and the right inward-bending motor drives the right rotating main shaft to axially move through the right gear transmission mechanism so as to drive the right rotating plate to translate and then drive the right leg tail inward-bending mechanism or the right leg middle inward-bending mechanism to work.

Preferably, the left leg tail vertical bending mechanism comprises a left vertical bending wheel and a left vertical bending support rod, one end of the left vertical bending support rod is connected with the left rotating plate, the left vertical bending wheel is vertically installed at the other end of the left vertical bending support rod, and the length direction of the left vertical bending support rod is consistent with the left rotating main shaft; the left leg tail inward-bending mechanism comprises a left leg tail inward-bending column and a left leg tail inward-bending supporting rod, one end of the left leg tail inward-bending supporting rod is connected with the left rotating plate, the left leg tail inward-bending column is installed at the other end of the left leg tail inward-bending supporting rod, and the length direction of the left leg tail inward-bending supporting rod is consistent with the left rotating main shaft; the left leg middle inward-bending mechanism comprises a left leg middle inward-bending column and a left leg middle inward-bending supporting rod, one end of the left leg middle inward-bending supporting rod is connected with the left rotating plate, the left leg middle inward-bending column is installed at the other end of the left leg middle inward-bending supporting rod, and the length direction of the left leg middle inward-bending supporting rod is consistent with the left rotating main shaft; the right leg tail vertical bending mechanism comprises a right vertical bending wheel and a right vertical bending supporting rod, one end of the right vertical bending supporting rod is connected with the right rotating plate, the right vertical bending wheel is vertically arranged at the other end of the right vertical bending supporting rod, and the length direction of the right vertical bending supporting rod is consistent with that of the right rotating main shaft; the right leg tail inward-bending mechanism comprises a right leg tail inward-bending column and a right leg tail inward-bending supporting rod, one end of the right leg tail inward-bending supporting rod is connected with the right rotating plate, the right leg tail inward-bending column is installed at the other end of the right leg tail inward-bending supporting rod, and the length direction of the right leg tail inward-bending supporting rod is consistent with the right rotating main shaft; the left leg middle bending mechanism comprises a left leg middle bending column and a left leg middle bending supporting rod, one end of the left leg middle bending supporting rod is connected with the left rotating plate, the left leg middle bending column is installed at the other end of the left leg middle bending supporting rod, and the length direction of the left leg middle bending supporting rod is consistent with that of the left rotating main shaft.

Preferably, the automatic bending machine for glasses legs of glasses further comprises a left stop block adjusting device, a left glasses leg limiting device, a right stop block adjusting device and a right glasses leg limiting device; the left stop block adjusting device comprises a left adjusting frame, a left adjusting rack and a left adjusting motor, the inward-bent arc-shaped stop block in the left leg is arranged on the front end of the left adjusting frame, the left adjusting rack is arranged on the rear end of the left adjusting frame, the output end of the left adjusting motor is connected with a gear meshed with the left adjusting rack, and the left adjusting motor drives the left adjusting frame to move by driving the left adjusting rack so as to adjust the front and rear positions of the inward-bent arc-shaped stop block in the left leg; the left glasses leg limiting device comprises a left limiting plate, a left positioning frame, a left limiting rack and a left limiting motor, wherein the left limiting plate is vertically installed at the front end of the left positioning frame, the left limiting rack is installed on the left positioning frame, the output end of the left limiting motor is connected with a gear meshed with the left limiting rack, and the left limiting motor drives the left positioning frame to move by driving the left limiting rack to move so as to adjust the front and back positions of the left limiting plate; the right block adjusting device comprises a right adjusting frame, a right adjusting rack and a right adjusting motor, the inward-bent arc-shaped block in the right leg is arranged on the front end of the right adjusting frame, the right adjusting rack is arranged on the rear end of the right adjusting frame, the output end of the right adjusting motor is connected with a gear meshed with the right adjusting rack, and the right adjusting motor drives the right adjusting frame to move by driving the right adjusting rack to adjust the front and rear positions of the inward-bent arc-shaped block in the right leg; the right glasses leg limiting device comprises a right limiting plate, a right positioning frame, a right limiting rack and a right limiting motor, the right limiting plate is vertically installed at the front end of the right positioning frame, the right limiting rack is installed on the right positioning frame, the output end of the right limiting motor is connected with a gear meshed with the right limiting rack, and the right limiting motor moves through driving the right limiting rack to drive the right positioning frame to move so as to adjust the front position and the rear position of the right limiting plate.

Preferably, the automatic bending machine for the glasses legs of the glasses further comprises a left base, a right base, a horizontal adjusting slide rail, a horizontal adjusting screw rod and a horizontal adjusting motor; the transverse adjusting slide rail and the transverse adjusting screw rod extend in the left-right direction; the left base is arranged on the left end of the horizontal adjusting slide rail, and the right base is arranged on the right end of the horizontal adjusting slide rail; the left end of the transverse adjusting screw rod is in transmission fit with the left base, the right end of the transverse adjusting screw rod is in transmission fit with the right base, the left end and the right end of the transverse adjusting screw rod are opposite in thread direction, and the transverse adjusting screw rod is used for driving the left base and the right base to approach or separate from each other along the transverse adjusting slide rail; the left leg head clamping device, the left leg middle clamping device, the left leg tail vertical bending mechanism, the left leg tail inward bending mechanism, the left leg middle inward bending mechanism, the left leg tail vertical bending arc-shaped stop block, the left leg tail inward bending arc-shaped stop block and the left leg middle inward bending arc-shaped stop block are respectively arranged on the left base; the right leg head clamping device, the right leg middle clamping device, the right leg tail vertical bending mechanism, the right leg tail inward bending mechanism, the right leg middle inward bending mechanism, the right leg tail vertical bending arc-shaped check block, the right leg tail inward bending arc-shaped check block and the right leg middle inward bending arc-shaped check block are respectively arranged on the right base.

The utility model has the advantages that: the utility model can automatically perform vertical bending of the tail part, inward bending of the tail part and inward bending of the middle part of the glasses legs of the glasses, and has high efficiency, stable quality and high automation degree in the bending process; secondly, the vertical bending process of the tail part of the glasses leg is finished through the leg tail vertical bending mechanism, the inward bending process of the tail part of the glasses leg is finished through the leg tail inward bending mechanism, the inward bending process of the middle part of the glasses leg is finished through the leg middle inward bending mechanism, each bending work is separately carried out and separately controlled, the sensitivity is high, and the operation is stable; thirdly, the utility model is provided with a clamping device for the head of the glasses leg and a clamping device in the glasses leg, when the tail of the glasses leg needs to be vertically bent and inwardly bent, the head of the glasses leg and the middle part of the leg can be respectively clamped, only the tail of the glasses leg is left, and when the middle of the glasses leg needs to be inwardly bent, only the head of the glasses leg needs to be clamped, so that the middle part and the tail of the glasses leg can be respectively bent; fourthly, because the utility model discloses set up the leg tail and erect curved arc dog, the curved arc dog of bending in leg tail and the leg, when the glasses leg is bent, can limit the radian of bending of glasses leg through each arc dog for the radian of the glasses leg after bending can accord with predetermined requirement.

Drawings

Fig. 1 is one of the overall structural diagrams of the present invention.

Fig. 2 is a second overall structure diagram of the present invention.

Fig. 3 is a structural view of a positioning mechanism of the glasses frame, a lifting device of the glasses and a clamping device of the legs and the heads of the glasses.

Fig. 4 is one of the parts processing structure diagrams of the left temple of the glasses.

Fig. 5 is a second structure view of the left temple of the glasses.

Detailed Description

The structure and operation of the present invention will be described in detail with reference to the accompanying drawings.

The following three points need to be explained: one, front, back, left and right directions are indicated in fig. 1 and fig. 2, respectively, in the present invention, the words relating to the front, back, left, right, up and down directions are only used for describing the structural principle of the present invention, and cannot be used to limit the protection scope of the present invention; secondly, the spectacle frame of the spectacles is a frame body for mounting spectacle lenses, the leg head of the spectacles is the end close to the spectacle frame, and the leg tail of the spectacles is the end far away from the spectacle frame, namely the end hooked at the ears of a person.

As shown in fig. 1 to 5, the present invention relates to an automatic bending machine for glasses legs, which comprises a machine table 1, and a glasses frame positioning mechanism 2, a glasses lifting device 3, a glasses leg head clamping device 4, a glasses leg middle clamping device 5, a leg tail vertical bending mechanism 6, a leg tail inward bending mechanism 7, a leg middle inward bending mechanism 8, a leg tail vertical bending arc stop 9, a leg tail inward bending arc stop 10, and a leg middle inward bending arc stop 11, which are arranged on the machine table 1; the glasses frame positioning mechanism 2 is used for supporting and positioning a glasses frame (not shown in the figure) of glasses, the glasses leg head clamping device 4 comprises a left leg head clamping device 4 and a right leg head clamping device 4 (note that the left leg head clamping device 4 and the right leg head clamping device 4 are both marked as 4 in the figure) which are symmetrical to each other, the left leg head clamping device 4 is used for clamping a left glasses leg head of the glasses, and the right leg head clamping device 4 is used for clamping a right glasses leg head of the glasses; the glasses lifting device 3 is used for driving the glasses frame positioning mechanism 2 and the glasses leg and head clamping device 4 to synchronously lift or descend; the glasses leg middle clamping device 5 comprises a left leg middle clamping device 5 and a right leg middle clamping device 5 (note that the left leg middle clamping device 5 and the right leg middle clamping device 5 are both marked as 5 in the drawing) which are symmetrical to each other, the left leg middle clamping device 5 is used for clamping the middle part of a left glasses leg of glasses, and the right leg middle clamping device 5 is used for clamping the middle part of a right glasses leg of the glasses; the leg tail vertical bending mechanism 6 comprises a left leg tail vertical bending mechanism 6 and a right leg tail vertical bending mechanism 6 which are symmetrical to each other (note that the left leg tail vertical bending mechanism and the right leg tail vertical bending mechanism are both marked as 6 in the drawing), the leg tail vertical bending arc-shaped stop block 9 comprises a left leg tail vertical bending arc-shaped stop block 9 and a right leg tail vertical bending arc-shaped stop block 9 which are symmetrical to each other (note that the left leg tail vertical bending mechanism and the right leg tail vertical bending mechanism are both marked as 9 in the drawing), the left leg tail vertical bending mechanism 6 is used for vertically bending the tail part of a left glasses leg of the glasses onto the left leg tail vertical bending arc-shaped stop block 9, and the right leg tail vertical bending mechanism 6 is used for vertically bending the tail part of a right glasses leg of; the glasses tail inward bending mechanism 7 comprises a left glasses tail inward bending mechanism 7 and a right glasses tail inward bending mechanism 7 which are symmetrical to each other (note that the left glasses tail inward bending mechanism 7 and the right glasses tail inward bending mechanism 7 are both marked as 7 in the attached drawings), the leg tail inward bending baffle 10 comprises a left glasses tail inward bending baffle 10 and a right glasses tail inward bending baffle 10 which are symmetrical to each other (note that the left glasses tail inward bending mechanism 7 and the right glasses tail inward bending mechanism 10 are both marked as 10 in the attached drawings), the left glasses leg tail inward bending mechanism 7 is used for inwards bending the tail part of a left glasses leg of the glasses to the left glasses tail inward bending baffle 10, and the right glasses leg tail inward bending mechanism 7 is used for inwards bending the tail part of a right glasses leg of the glasses to the right glasses tail inward bending baffle 10; incurve mechanism 8 in the leg includes incurve mechanism 8 in the left leg of mutual symmetry and the incurve mechanism 8 in the right leg (notice all mark as 8 in the drawing), incurve arc dog 11 in the leg includes incurve arc dog 11 in the left leg of mutual symmetry and incurve arc dog 11 in the right leg (notice all mark as 11 in the drawing), incurve mechanism 8 is used for bending the left glasses leg middle part of glasses inwards to incurve arc dog 11 in the left leg, incurve mechanism 8 is used for bending the right glasses leg middle part of glasses inwards to incurve arc dog 11 in the right leg.

As shown in fig. 1 to 3, the glasses lifting device 3 includes a lifting cylinder 31, a lifting slider 32, a lifting link 33, a left glasses leg lifting plate 34 and a right glasses leg lifting plate 34 (note that both glasses leg lifting plates are denoted by 34 in the drawings); the cylinder rod of the lifting cylinder 31 extends upwards and is connected with a lifting slide block 32, the middle part of a lifting connecting rod 33 is connected with the lifting slide block 32, the left end and the right end of the lifting connecting rod 33 transversely extend out, the left end of the lifting connecting rod 33 is connected with a left glasses leg lifting plate 34, and the right end of the lifting connecting rod 33 is connected with a right glasses leg lifting plate 34; the left leg head clamping device 4 is arranged on the left glasses leg lifting plate 34, and the right leg head clamping device 4 is arranged on the right glasses leg lifting plate 34; the spectacle frame positioning mechanism 2 comprises a positioning rod 21, one end of the positioning rod 21 is connected with a lifting slide block 32, and the other end of the positioning rod 21 extends forwards.

As shown in fig. 1 to 5, the left leg head clamping device 4 includes a left leg head clamping cylinder 41, a left leg head clamping link 42 and a left leg head clamping block 43, the cylinder rod of the left leg head clamping cylinder 41 is connected to one end of the left leg head clamping link 42, and the other end of the left leg head clamping link 42 is connected to the left leg head clamping block 43; the right leg head clamping device 4 comprises a right leg head clamping cylinder 41, a right leg head clamping connecting rod 42 and a right leg head clamping block 43, a cylinder rod of the right leg head clamping cylinder 41 is connected with one end of the right leg head clamping connecting rod 42, and the other end of the right leg head clamping connecting rod 42 is connected with the right leg head clamping block 43.

As shown in fig. 1 to 5, the left leg middle clamping device 5 includes a left leg middle clamping cylinder 51, a left leg middle clamping link 52 and a left leg middle clamping block 53, a cylinder rod of the left leg middle clamping cylinder 51 is connected with one end of the left leg middle clamping link 52, and the other end of the left leg middle clamping link 52 is connected with the left leg middle clamping block 53; the right leg middle clamping device 5 comprises a right leg middle clamping cylinder 51, a right leg middle clamping connecting rod 52 and a right leg middle clamping block 53, wherein a cylinder rod of the right leg middle clamping cylinder 51 is connected with one end of the right leg middle clamping connecting rod 52, and the other end of the right leg middle clamping connecting rod 52 is connected with the right leg middle clamping block 53.

As shown in fig. 1 to 5, the automatic temple bending machine for glasses further includes a left rotating plate 12, a left rotating main shaft 13, a left vertical bending motor 14, a left inward bending motor 15, a right rotating plate 12, a right rotating main shaft 13, a right vertical bending motor 14, and a right inward bending motor 15, and it should be noted that: the left rotating plate and the right rotating plate are symmetrical, and are both marked as 12 in the drawing; the left rotary main shaft and the right rotary main shaft are symmetrical and are marked as 13 in the drawing; the left vertical bending motor is symmetrical to the right vertical bending motor, and is marked as 14 in the drawing; the left inner bending motor is symmetrical to the right inner bending motor, and is marked as 15 in the drawing; the left leg tail vertical bending mechanism 6, the left leg tail inward bending mechanism 7 and the left leg middle inward bending mechanism 8 are all connected with one end of a left rotating plate 12, and the other end of the left rotating plate 12 is connected with a left rotating main shaft 13; a left belt pulley transmission mechanism 141 is arranged between the left vertical bending motor 14 and the left rotating main shaft 13, and the left vertical bending motor 14 drives the left rotating main shaft 13 to rotate through the left belt pulley transmission mechanism 141 so as to drive the left rotating plate 12 to rotate and then drive the left leg tail vertical bending mechanism 6 to work; a left gear transmission mechanism 151 is arranged between the left inward bending motor 15 and the left rotating main shaft 13, and the left inward bending motor 15 drives the left rotating main shaft 13 to move axially through the left gear transmission mechanism 151 so as to drive the left rotating plate 12 to translate and then drive the left leg tail inward bending mechanism 7 or the left leg middle inward bending mechanism 8 to work; a smooth track is arranged between the left belt pulley transmission mechanism 141 and the left rotating main shaft 13, so that the left rotating main shaft 13 can be smooth in the left belt pulley transmission mechanism 141; a right belt pulley transmission mechanism 141 is arranged between the right vertical bending motor 14 and the right rotating main shaft 13, and the right vertical bending motor 14 drives the right rotating main shaft 13 to rotate through the right belt pulley transmission mechanism 141 so as to drive the right rotating plate 12 to rotate and then drive the right leg tail vertical bending mechanism 6 to work; a right gear transmission mechanism 151 is arranged between the right inward-bending motor 15 and the right rotating main shaft 13, and the right inward-bending motor 15 drives the right rotating main shaft 13 to axially move through the right gear transmission mechanism 151 so as to drive the right rotating plate 12 to translate and then drive the right leg tail inward-bending mechanism 7 or the right leg middle-bending mechanism 8 to work; a smooth track is provided between the right pulley transmission 141 and the right rotary main shaft 13, so that the right rotary main shaft 13 can be smoothed in the right pulley transmission 141.

As shown in fig. 1 to 5, the left leg tail vertical bending mechanism 6 includes a left vertical bending wheel 61 and a left vertical bending support rod 62, one end of the left vertical bending support rod 62 is connected to the left rotating plate 12, the left vertical bending wheel 61 is vertically installed at the other end of the left vertical bending support rod 62, and the length direction of the left vertical bending support rod 62 is consistent with the left rotating main shaft 13; the left leg tail inward-bending mechanism 7 comprises a left leg tail inward-bending column 71 and a left leg tail inward-bending supporting rod 72, one end of the left leg tail inward-bending supporting rod 72 is connected with the left rotating plate 12, the left leg tail inward-bending column 71 is installed at the other end of the left leg tail inward-bending supporting rod 72, and the length direction of the left leg tail inward-bending supporting rod 72 is consistent with that of the left rotating main shaft 13; the left leg middle inward-bending mechanism 8 comprises a left leg middle inward-bending column 81 and a left leg middle inward-bending supporting rod 82, one end of the left leg middle inward-bending supporting rod 82 is connected with the left rotating plate 12, the left leg middle inward-bending column 81 is installed at the other end of the left leg middle inward-bending supporting rod 82, and the length direction of the left leg middle inward-bending supporting rod 82 is consistent with the left rotating main shaft 13; the right leg tail vertical bending mechanism 6 comprises a right vertical bending wheel 61 and a right vertical bending support rod 62, one end of the right vertical bending support rod 62 is connected with the right rotating plate 12, the right vertical bending wheel 61 is vertically installed at the other end of the right vertical bending support rod 62, and the length direction of the right vertical bending support rod 62 is consistent with that of the right rotating main shaft 13; the right leg tail inward-bending mechanism 7 comprises a right leg tail inward-bending column 71 and a right leg tail inward-bending supporting rod 72, one end of the right leg tail inward-bending supporting rod 72 is connected with the right rotating plate 12, the right leg tail inward-bending column 71 is installed at the other end of the right leg tail inward-bending supporting rod 72, and the length direction of the right leg tail inward-bending supporting rod 72 is consistent with the length direction of the right rotating main shaft 13; the right leg middle inward-bending mechanism 8 comprises a right leg middle inward-bending column 81 and a right leg middle inward-bending supporting rod 82, one end of the right leg middle inward-bending supporting rod 82 is connected with the right rotating plate 12, the right leg middle inward-bending column 81 is installed at the other end of the right leg middle inward-bending supporting rod 82, and the length direction of the right leg middle inward-bending supporting rod 82 is consistent with the right rotating main shaft 13.

As shown in fig. 1 to 5, the automatic bending machine for glasses legs further includes a left block adjusting device 16, a left glasses leg limiting device 17, a right block adjusting device 16 and a right glasses leg limiting device 17; the left block adjusting device and the right block adjusting device are symmetrical and are all marked as 16 in the drawing; the left glasses leg limiting device and the right glasses leg limiting device are symmetrical and are all marked as 17 in the drawing; the left block adjusting device 16 comprises a left adjusting frame 161, a left adjusting rack 162 and a left adjusting motor 163, the inward-bending arc-shaped block 11 in the left leg is installed on the front end of the left adjusting frame 161, the left adjusting rack 162 is installed on the rear end of the left adjusting frame 161, the output end of the left adjusting motor 163 is connected with a gear (the gear is not shown in the figure) meshed with the left adjusting rack 162, and the left adjusting motor 163 drives the left adjusting frame 161 to move by driving the left adjusting rack 162 to move, so as to adjust the front and rear positions of the inward-bending arc-shaped block 11 in the left leg; the left glasses leg limiting device 17 comprises a left limiting plate 171, a left positioning frame 172, a left limiting rack 173 and a left limiting motor 174, wherein the left limiting plate 171 is vertically installed at the front end of the left positioning frame 172, the left limiting rack 173 is installed on the left positioning frame 172, the output end of the left limiting motor 174 is connected with a gear (the gear is not shown in the figure) meshed with the left limiting rack 173, and the left limiting motor 174 drives the left positioning frame 172 to move by driving the left limiting rack 173 to move so as to adjust the front and back positions of the left limiting plate 171; the right block adjusting device 16 includes a right adjusting frame 161, a right adjusting rack 162 and a right adjusting motor 163, the inward-curved arc-shaped block 11 in the right leg is installed on the front end of the right adjusting frame 161, the right adjusting rack 162 is installed on the rear end of the right adjusting frame 161, the output end of the right adjusting motor 163 is connected with a gear (not shown in the figure) meshed with the right adjusting rack 162, and the right adjusting motor 163 drives the right adjusting frame 161 to move by driving the right adjusting rack 162 to adjust the front and rear positions of the inward-curved arc-shaped block 11 in the right leg; the right glasses leg limiting device 17 comprises a right limiting plate 171, a right positioning frame 172, a right limiting rack 173 and a right limiting motor 174, the right limiting plate 171 is vertically installed at the front end of the right positioning frame 172, the right limiting rack 173 is installed on the right positioning frame 172, the output end of the right limiting motor 174 is connected with a gear (a gear is not drawn in the figure) meshed with the right limiting rack 173, and the right limiting motor 174 moves through driving the right limiting rack 173 to drive the right positioning frame 172 to move so as to adjust the front and back positions of the right limiting plate 171. The front and back positions of the inward-bent arc-shaped stop block in the left leg and the inward-bent arc-shaped stop block in the right leg can be adjusted by arranging the left stop block adjusting device and the right stop block adjusting device; through setting up left glasses leg stop device and right glasses leg stop device, can adjust the rear end limit position of glasses leg.

As shown in fig. 1 to 5, the automatic bending machine for glasses legs of glasses further comprises a left base 18, a right base 18, a horizontal adjusting slide rail 19, a horizontal adjusting screw rod 20 and a horizontal adjusting motor 22; the left base is symmetrical to the right base, and is all marked as 18 in the drawing; the horizontal adjusting slide rail 19 and the horizontal adjusting screw rod 20 extend in the left-right direction; the left base 18 is installed on the left end of the horizontal adjusting slide rail 19, and the right base 18 is installed on the right end of the horizontal adjusting slide rail 19; the left end of the horizontal adjusting screw rod 20 is in transmission fit with the left base 18, the right end of the horizontal adjusting screw rod 20 is in transmission fit with the right base 18, the left end and the right end of the horizontal adjusting screw rod 20 are opposite in thread direction, and the horizontal adjusting screw rod 20 is used for driving the left base 18 and the right base 18 to approach or depart from each other along the horizontal adjusting slide rail 19; the left leg head clamping device 4, the left leg middle clamping device 5, the left leg tail vertical bending mechanism 6, the left leg tail inward bending mechanism 7, the left leg middle inward bending mechanism 8, the left leg tail vertical bending arc-shaped stop block 9, the left leg tail inward bending arc-shaped stop block 10 and the left leg middle inward bending arc-shaped stop block 11 are respectively arranged on the left base 18; the right leg head clamping device 4, the right leg middle clamping device 5, the right leg tail vertical bending mechanism 6, the right leg tail inward bending mechanism 7, the right leg middle inward bending mechanism 8, the right leg tail vertical bending arc-shaped stop block 9, the right leg tail inward bending arc-shaped stop block 10 and the right leg middle inward bending arc-shaped stop block 11 are respectively arranged on the right base 18. Through setting up left base 18, right base 18, violently transferring slide rail 19, violently transferring lead screw 20 and violently transferring motor 22, enable the utility model discloses carry out the glasses leg to various width size's glasses and bend automatically.

The utility model discloses a bending method of glasses leg automatic bending machine of glasses, including following work step:

s1, placing a spectacle frame of the spectacles on a spectacle frame positioning mechanism, placing a left spectacle leg head of the spectacles on a left leg head clamping device, and placing a right spectacle leg head of the spectacles on a right leg head clamping device;

s2, clamping the left glasses leg head by the left leg head clamping device, and clamping the right glasses leg head by the right leg head clamping device; the middle clamping device of the left leg clamps the middle part of the left glasses leg, and the middle clamping device of the right leg clamps the middle part of the right glasses leg;

s3, vertically bending the tail part of the left glasses leg of the glasses to the left leg tail vertically bent arc-shaped stop block by the left leg tail vertically bending mechanism, vertically bending the tail part of the right glasses leg of the glasses to the right leg tail vertically bent arc-shaped stop block by the right leg tail vertically bending mechanism, and resetting after pressing;

s4, the left leg tail inward bending mechanism bends the tail of a left glasses leg of the glasses inwards to the left leg tail inward bending arc-shaped stop block, the right leg tail inward bending mechanism bends the tail of a right glasses leg of the glasses inwards to the right leg tail inward bending arc-shaped stop block, and the glasses are reset after being pressed;

s5, the clamping device in the left leg loosens the clamping on the middle part of the left glasses leg, and the clamping device in the right leg loosens the clamping on the middle part of the right glasses leg;

s6, the glasses lifting device drives the glasses frame positioning mechanism, the left leg head clamping device and the right leg head clamping device to synchronously lift, so that the middle part of the left glasses leg is aligned to the inward-bent arc-shaped stop block in the left leg, and the middle part of the right glasses leg is aligned to the inward-bent arc-shaped stop block in the right leg;

s7, the middle part of a left glasses leg of the glasses is inwards bent to the inwards bent arc-shaped stop block in the left leg by the inwards bent mechanism in the left leg, the middle part of a right glasses leg of the glasses is inwards bent to the inwards bent arc-shaped stop block in the right leg by the inwards bent mechanism in the right leg, and the glasses are reset after being pressed;

s8, the left leg head clamping device loosens the clamping of the left leg head of the glasses, the right leg head clamping device loosens the clamping of the right leg head of the glasses, the glasses are taken out, the glasses lifting device drives the glasses frame positioning mechanism, the left leg head clamping device and the right leg head clamping device to synchronously descend and reset, and the glasses leg bending process of a pair of glasses is completed.

Preferably, before the bending operation is performed on the glasses legs, the following adjusting steps are further included:

adjusting the distance between a left leg head clamping device and a right leg head clamping device, the distance between a left leg middle clamping device and a right leg middle clamping device, the distance between a left leg tail vertical bending mechanism and a right leg tail vertical bending mechanism, the distance between a left leg tail inward bending mechanism and a right leg tail inward bending mechanism, the distance between a left leg middle inward bending mechanism and a right leg middle inward bending mechanism, the distance between a left leg tail vertical bending arc-shaped stop block and a right leg tail vertical bending arc-shaped stop block, the distance between a left leg tail inward bending arc-shaped stop block and a right leg tail inward bending arc-shaped stop block, and the distance between a left leg middle inward bending arc-shaped stop block and a right leg middle bending arc-shaped stop block according to the distance between a left eye glass leg and a right eye glass leg;

adjusting the rear end limiting positions of the left glasses leg and the right glasses leg according to the length of the left glasses leg and the right glasses leg;

and III, adjusting the height position of the positioning mechanism of the spectacle frame according to the height of the spectacle frame.

The above, only the utility model discloses preferred embodiment, all be according to the utility model discloses a technical scheme does any slight modification, the equivalent change and the modification to above embodiment, all belong to the utility model discloses technical scheme's within range.

Claims

1. The utility model provides an automatic bender of earpiece of glasses which characterized in that: the glasses frame positioning device comprises a machine table, and a glasses frame positioning mechanism, a glasses lifting device, a glasses leg head clamping device, a glasses leg middle clamping device, a leg tail vertical bending mechanism, a leg tail inward bending mechanism, a leg middle inward bending mechanism, a leg tail vertical bending arc stop block, a leg tail inward bending arc stop block and a leg middle inward bending arc stop block which are arranged on the machine table; the glasses frame positioning mechanism is used for supporting and positioning glasses frames of glasses, the glasses leg and leg head clamping devices comprise a left leg head clamping device and a right leg head clamping device which are symmetrical to each other, the left leg head clamping device is used for clamping left glasses leg and leg heads of the glasses, and the right leg head clamping device is used for clamping right glasses leg and leg heads of the glasses; the glasses lifting device is used for driving the glasses frame positioning mechanism and the glasses leg head clamping device to synchronously lift or descend; the glasses leg middle clamping devices comprise a left leg middle clamping device and a right leg middle clamping device which are symmetrical to each other, the left leg middle clamping device is used for clamping the middle of a left glasses leg of glasses, and the right leg middle clamping device is used for clamping the middle of a right glasses leg of the glasses; the leg tail vertical bending mechanism comprises a left leg tail vertical bending mechanism and a right leg tail vertical bending mechanism which are mutually symmetrical, the leg tail vertical bending arc stop block comprises a left leg tail vertical bending arc stop block and a right leg tail vertical bending arc stop block which are mutually symmetrical, the left leg tail vertical bending mechanism is used for vertically bending the tail part of a left glasses leg of the glasses onto the left leg tail vertical bending arc stop block, and the right leg tail vertical bending mechanism is used for vertically bending the tail part of a right glasses leg of the glasses onto the right leg tail vertical bending arc stop block; the glasses tail inward bending mechanism comprises a left glasses tail inward bending mechanism and a right glasses tail inward bending mechanism which are symmetrical to each other, the leg tail inward bending arc-shaped stop block comprises a left glasses tail inward bending arc-shaped stop block and a right glasses tail inward bending arc-shaped stop block which are symmetrical to each other, the left glasses tail inward bending mechanism is used for inwards bending the tail part of a left glasses leg of the glasses to the left glasses tail inward bending arc-shaped stop block, and the right glasses tail inward bending mechanism is used for inwards bending the tail part of a right glasses leg of the glasses to the right glasses tail inward bending arc-shaped stop block; the mechanism of bending in the leg includes the mechanism of bending in the left leg of mutual symmetry and the mechanism of bending in the right leg, the mechanism of bending in the leg includes the arc dog of bending in the left leg of mutual symmetry and the arc dog of bending in the right leg, the mechanism of bending in the left leg is used for bending the left eye mirror leg middle part of glasses inwards to the arc dog of bending in the left leg on, the mechanism of bending in the right leg is used for bending the right glasses leg middle part of glasses inwards to the arc dog of bending in the right leg.

2. Automatic bending machine for the temples of spectacles according to claim 1, characterized in that: the glasses lifting device comprises a lifting cylinder, a lifting slide block, a lifting connecting rod, a left glasses leg lifting plate and a right glasses leg lifting plate; the left end of the lifting connecting rod is connected with the left glasses leg lifting plate, and the right end of the lifting connecting rod is connected with the right glasses leg lifting plate; the left leg head clamping device is arranged on the left glasses leg lifting plate, and the right leg head clamping device is arranged on the right glasses leg lifting plate; the spectacle frame positioning mechanism comprises a positioning rod, one end of the positioning rod is connected with the lifting slide block, and the other end of the positioning rod extends forwards.

3. Automatic bending machine for the temples of spectacles according to claim 1, characterized in that: the left leg head clamping device comprises a left leg head clamping air cylinder, a left leg head clamping connecting rod and a left leg head clamping block, an air cylinder rod of the left leg head clamping air cylinder is connected with one end of the left leg head clamping connecting rod, and the other end of the left leg head clamping connecting rod is connected with the left leg head clamping block; the right leg head clamping device comprises a right leg head clamping cylinder, a right leg head clamping connecting rod and a right leg head clamping block, a cylinder rod of the right leg head clamping cylinder is connected with one end of the right leg head clamping connecting rod, and the other end of the right leg head clamping connecting rod is connected with the right leg head clamping block.

4. Automatic bending machine for the temples of spectacles according to claim 1, characterized in that: the left leg middle clamping device comprises a left leg middle clamping cylinder, a left leg middle clamping connecting rod and a left leg middle clamping block, a cylinder rod of the left leg middle clamping cylinder is connected with one end of the left leg middle clamping connecting rod, and the other end of the left leg middle clamping connecting rod is connected with the left leg middle clamping block; the right leg middle clamping device comprises a right leg middle clamping cylinder, a right leg middle clamping connecting rod and a right leg middle clamping block, a cylinder rod of the right leg middle clamping cylinder is connected with one end of the right leg middle clamping connecting rod, and the other end of the right leg middle clamping connecting rod is connected with the right leg middle clamping block.

5. Automatic bending machine for the temples of spectacles according to claim 1, characterized in that: the left rotating plate, the left rotating main shaft, the left vertical bending motor, the left inner bending motor, the right rotating plate, the right rotating main shaft, the right vertical bending motor and the right inner bending motor are also included; the left leg tail vertical bending mechanism, the left leg tail inward bending mechanism and the left leg middle inward bending mechanism are all connected with one end of the left rotating plate, and the other end of the left rotating plate is connected with the left rotating main shaft; a left belt pulley transmission mechanism is arranged between the left vertical bending motor and the left rotating main shaft, and the left vertical bending motor drives the left rotating main shaft to rotate through the left belt pulley transmission mechanism so as to drive the left rotating plate to rotate and then drive the left leg tail vertical bending mechanism to work; a left gear transmission mechanism is arranged between the left inward bending motor and the left rotating main shaft, and the left inward bending motor drives the left rotating main shaft to axially move through the left gear transmission mechanism so as to drive the left rotating plate to translate and then drive the left leg tail inward bending mechanism or the left leg middle inward bending mechanism to work; a right belt pulley transmission mechanism is arranged between the right vertical bending motor and the right rotating main shaft, and the right vertical bending motor drives the right rotating main shaft to rotate through the right belt pulley transmission mechanism so as to drive the right rotating plate to rotate and then drive the right leg tail vertical bending mechanism to work; and a right gear transmission mechanism is arranged between the right inward-bending motor and the right rotating main shaft, and the right inward-bending motor drives the right rotating main shaft to axially move through the right gear transmission mechanism so as to drive the right rotating plate to translate and then drive the right leg tail inward-bending mechanism or the right leg middle inward-bending mechanism to work.

6. Automatic bending machine for the temples of spectacles according to claim 5, characterized in that: the left leg tail vertical bending mechanism comprises a left vertical bending wheel and a left vertical bending support rod, one end of the left vertical bending support rod is connected with the left rotary plate, the left vertical bending wheel is vertically installed at the other end of the left vertical bending support rod, and the length direction of the left vertical bending support rod is consistent with the left rotary main shaft; the left leg tail inward-bending mechanism comprises a left leg tail inward-bending column and a left leg tail inward-bending supporting rod, one end of the left leg tail inward-bending supporting rod is connected with the left rotating plate, the left leg tail inward-bending column is installed at the other end of the left leg tail inward-bending supporting rod, and the length direction of the left leg tail inward-bending supporting rod is consistent with the left rotating main shaft; the left leg middle inward-bending mechanism comprises a left leg middle inward-bending column and a left leg middle inward-bending supporting rod, one end of the left leg middle inward-bending supporting rod is connected with the left rotating plate, the left leg middle inward-bending column is installed at the other end of the left leg middle inward-bending supporting rod, and the length direction of the left leg middle inward-bending supporting rod is consistent with the left rotating main shaft; the right leg tail vertical bending mechanism comprises a right vertical bending wheel and a right vertical bending supporting rod, one end of the right vertical bending supporting rod is connected with the right rotating plate, the right vertical bending wheel is vertically arranged at the other end of the right vertical bending supporting rod, and the length direction of the right vertical bending supporting rod is consistent with that of the right rotating main shaft; the right leg tail inward-bending mechanism comprises a right leg tail inward-bending column and a right leg tail inward-bending supporting rod, one end of the right leg tail inward-bending supporting rod is connected with the right rotating plate, the right leg tail inward-bending column is installed at the other end of the right leg tail inward-bending supporting rod, and the length direction of the right leg tail inward-bending supporting rod is consistent with the right rotating main shaft; the left leg middle bending mechanism comprises a left leg middle bending column and a left leg middle bending supporting rod, one end of the left leg middle bending supporting rod is connected with the left rotating plate, the left leg middle bending column is installed at the other end of the left leg middle bending supporting rod, and the length direction of the left leg middle bending supporting rod is consistent with that of the left rotating main shaft.

7. Automatic bending machine for the temples of spectacles according to claim 1, characterized in that: the glasses comprise a left block adjusting device, a left glasses leg limiting device, a right block adjusting device and a right glasses leg limiting device; the left stop block adjusting device comprises a left adjusting frame, a left adjusting rack and a left adjusting motor, the inward-bent arc-shaped stop block in the left leg is arranged on the front end of the left adjusting frame, the left adjusting rack is arranged on the rear end of the left adjusting frame, the output end of the left adjusting motor is connected with a gear meshed with the left adjusting rack, and the left adjusting motor drives the left adjusting frame to move by driving the left adjusting rack so as to adjust the front and rear positions of the inward-bent arc-shaped stop block in the left leg; the left glasses leg limiting device comprises a left limiting plate, a left positioning frame, a left limiting rack and a left limiting motor, wherein the left limiting plate is vertically installed at the front end of the left positioning frame, the left limiting rack is installed on the left positioning frame, the output end of the left limiting motor is connected with a gear meshed with the left limiting rack, and the left limiting motor drives the left positioning frame to move by driving the left limiting rack to move so as to adjust the front and back positions of the left limiting plate; the right block adjusting device comprises a right adjusting frame, a right adjusting rack and a right adjusting motor, the inward-bent arc-shaped block in the right leg is arranged on the front end of the right adjusting frame, the right adjusting rack is arranged on the rear end of the right adjusting frame, the output end of the right adjusting motor is connected with a gear meshed with the right adjusting rack, and the right adjusting motor drives the right adjusting frame to move by driving the right adjusting rack to adjust the front and rear positions of the inward-bent arc-shaped block in the right leg; the right glasses leg limiting device comprises a right limiting plate, a right positioning frame, a right limiting rack and a right limiting motor, the right limiting plate is vertically installed at the front end of the right positioning frame, the right limiting rack is installed on the right positioning frame, the output end of the right limiting motor is connected with a gear meshed with the right limiting rack, and the right limiting motor moves through driving the right limiting rack to drive the right positioning frame to move so as to adjust the front position and the rear position of the right limiting plate.

8. Automatic bending machine for the temples of spectacles according to claim 1, characterized in that: the horizontal adjusting device also comprises a left base, a right base, a horizontal adjusting slide rail, a horizontal adjusting screw rod and a horizontal adjusting motor; the transverse adjusting slide rail and the transverse adjusting screw rod extend in the left-right direction; the left base is arranged on the left end of the horizontal adjusting slide rail, and the right base is arranged on the right end of the horizontal adjusting slide rail; the left end of the transverse adjusting screw rod is in transmission fit with the left base, the right end of the transverse adjusting screw rod is in transmission fit with the right base, the left end and the right end of the transverse adjusting screw rod are opposite in thread direction, and the transverse adjusting screw rod is used for driving the left base and the right base to approach or separate from each other along the transverse adjusting slide rail; the left leg head clamping device, the left leg middle clamping device, the left leg tail vertical bending mechanism, the left leg tail inward bending mechanism, the left leg middle inward bending mechanism, the left leg tail vertical bending arc-shaped stop block, the left leg tail inward bending arc-shaped stop block and the left leg middle inward bending arc-shaped stop block are respectively arranged on the left base; the right leg head clamping device, the right leg middle clamping device, the right leg tail vertical bending mechanism, the right leg tail inward bending mechanism, the right leg middle inward bending mechanism, the right leg tail vertical bending arc-shaped check block, the right leg tail inward bending arc-shaped check block and the right leg middle inward bending arc-shaped check block are respectively arranged on the right base.