CN216682097U

CN216682097U - Auxiliary plate turnover device for resistor production

Info

Publication number: CN216682097U
Application number: CN202220075946.4U
Authority: CN
Inventors: 丁常江
Original assignee: Henghui Resistor Yiyang Co ltd
Current assignee: Henghui Resistor Yiyang Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-07
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses an auxiliary plate turnover device for resistor production, which comprises a bottom plate, a clamping mechanism and an auxiliary mechanism; a bottom plate: four corners of the lower surface of the rotary table are provided with supporting legs, the left end of the upper surface of the bottom plate is provided with a U-shaped frame, the front inner wall and the rear inner wall of the U-shaped frame are provided with vertical sliding grooves, a mounting plate is connected between the two vertical sliding grooves in a sliding manner, the right side surface of the mounting plate is provided with a rotary groove, and the interior of the rotary groove is rotatably connected with a rotary table through a bearing; a clamping mechanism: the rotary disc is arranged in the rotary disc; an auxiliary mechanism: set up in the upper surface right-hand member of bottom plate, the upper surface front end of bottom plate is equipped with singlechip and control button respectively, and control button's output electricity is connected in the input of singlechip, and this supplementary plate turnover is used in resistance production conveniently carries out the position with the work piece between conveying mechanism and upset part and shifts, makes the removal process stability more high-efficient of work piece, reduces to overturn required time to the work piece, improves the efficiency of production.

Description

Auxiliary plate turnover device for resistor production

Technical Field

The utility model relates to the technical field of resistor production equipment, in particular to an auxiliary plate turnover device for resistor production.

Background

The resistor, i.e. resistor, is a current-limiting element, which has a very wide application in various electrical apparatuses, and its main function is to limit and reduce the voltage, the low-power resistor is usually made of carbon film encapsulated in a plastic casing, while the high-power resistor is usually a wire-wound resistor made by winding a metal wire with high resistivity on a porcelain core, and the resistor with unchangeable resistance is called a fixed resistor, and the resistor with variable resistance is called a potentiometer or a variable resistor.

In the production process of the resistor, in order to facilitate the processing of the upper surface and the lower surface of the resistor body, the workpiece is often required to be turned over through the auxiliary turning device, the workpiece is clamped through the clamping part, and then the workpiece is driven to rotate through the rotation of the clamping part.

However, when some auxiliary turnover devices are used, the workpiece needs to be transferred between the conveying mechanism and the turnover part, the transfer process needs long time, and the processing efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides an auxiliary plate turnover device for resistor production, which is convenient for transferring the position of a workpiece between a conveying mechanism and a turnover part, improves the production efficiency and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an auxiliary plate turnover device for resistor production comprises a bottom plate, a clamping mechanism and an auxiliary mechanism;

a bottom plate: four corners of the lower surface of the rotary table are provided with supporting legs, the left end of the upper surface of the bottom plate is provided with a U-shaped frame, the front inner wall and the rear inner wall of the U-shaped frame are provided with vertical sliding grooves, a mounting plate is connected between the two vertical sliding grooves in a sliding manner, the right side surface of the mounting plate is provided with a rotary groove, and the interior of the rotary groove is rotatably connected with a rotary table through a bearing;

a clamping mechanism: the rotary disc is arranged in the rotary disc;

an auxiliary mechanism: set up in the upper surface right-hand member of bottom plate, conveniently carry out the position with the work piece and shift between conveying mechanism and upset part, make the removal process stability more high-efficient of work piece, reduce and overturn required time to the work piece, improve the efficiency of production, realize that the continuity high efficiency that presss from both sides material, lifting, upset, decline reset and release turns over the board operation, lightened personnel's work burden, satisfy and turn over the board demand.

Furthermore, a single chip microcomputer and a control button are respectively arranged at the front end of the upper surface of the bottom plate, the output end of the control button is electrically connected to the input end of the single chip microcomputer, and the input end of the single chip microcomputer is electrically connected to an external power supply to control the starting and stopping of the whole device.

Furthermore, the left surface of mounting panel is equipped with driving motor, driving motor's output shaft right-hand member pass the through-hole of mounting panel left end and with carousel fixed connection, be equipped with electric putter in the mounting hole of U type frame upper end, electric putter's flexible end lower extreme and the last fixed surface of mounting panel are connected, and driving motor and electric putter's input all electricity is connected in the output of singlechip, for the rotation of carousel with reciprocate to provide power.

Further, fixture includes spout and splint, the spout is vertical to be set up in the right flank of carousel, and the equal vertical sliding connection in both ends has splint about the inside of spout, conveniently carries out the centre gripping to the work piece.

Further, fixture still includes swivelling chute, motor and screw rod, the swivelling chute is vertical to be set up in the middle part of carousel, and the swivelling chute is linked together with the spout, and the inside upper end of swivelling chute is equipped with the motor, and the output shaft lower extreme of motor is equipped with the screw rod, and the lower extreme of screw rod passes through the bottom wall rotation of swivel bearing and swivelling chute to be connected, and the screw hole at splint middle part all with screw rod threaded connection, the screw thread opposite direction at both ends about the screw rod, the input electricity of motor connect in the output of singlechip, provide power for the removal of splint.

Further, the auxiliary mechanism includes liftout electric putter, aspirator pump, backup pad, solenoid valve, three-way pipe, elastic hose and hollow chuck, the backup pad sets up in the upper surface right-hand member of bottom plate, be equipped with liftout electric putter in the mounting hole of backup pad front end, liftout electric putter's flexible end left end is equipped with hollow chuck, be equipped with the aspirator pump in the mounting hole of backup pad rear end, the air inlet department of aspirator pump is equipped with the three-way pipe, the intake pipe middle part series connection of the rear end of three-way pipe has the solenoid valve, be linked together through elastic hose between the intake pipe of three-way pipe left end and the gas outlet of hollow chuck, liftout electric putter, the equal electricity of input of aspirator pump and solenoid valve is connected in the output of singlechip, move the position of work piece, conveniently overturn the work piece.

Further, still include the foam-rubber cushion, the foam-rubber cushion sets up respectively in the relative medial surface right-hand member of two splint, avoids the centre gripping in-process to cause the damage to the work piece.

Furthermore, a photoelectric sensor is arranged at the front end of the right side face of the U-shaped frame, and the output end of the photoelectric sensor is electrically connected with the input end of the single chip microcomputer to detect the position of the workpiece

Compared with the prior art, the utility model has the beneficial effects that: this supplementary plate turnover is used in resistance production has following benefit:

1. the integral device is installed on a resistor production line, a workpiece is conveyed between a supporting plate and a U-shaped frame, when a photoelectric sensor detects the workpiece, the workpiece moves at a constant speed, the workpiece stops moving when moving to a hollow sucker after a specified time, then a single chip microcomputer controls a material ejecting electric push rod to start, the telescopic end of the material ejecting electric push rod pushes the hollow sucker to move leftwards, meanwhile, an air suction pump is started, an electromagnetic valve is in a power-off closed state, after the hollow sucker is contacted with the workpiece, the air pressure in the hollow sucker is reduced under the action of suction force generated by the air suction pump, the workpiece is adsorbed under the action of the air pressure, the pushing material is prevented from rolling off intentionally, after a certain time, the air suction pump stops running, the workpiece is pushed to the middle part of the upper surface of a sponge cushion on the lower side from the upper surface of a conveying part, after the movement is completed, the electromagnetic valve is electrified to enable the inside of the hollow sucker to recover normal pressure and be separated from the workpiece, the ejection electric push rod is reset, after the overturning is finished, the mounting plate is reset, the motor is reversely rotated to enable the two clamping plates to be oppositely opened, the ejection electric push rod is started to enable the hollow sucker to be in contact with a workpiece, the suction pump is started, the electromagnetic valve is in a closed state, the air pressure of the hollow sucker is reduced under the action of the suction force generated by the suction pump, the workpiece is adsorbed on the hollow sucker under the action of the air pressure, then the material ejecting electric push rod resets, the workpiece is driven to return to the upper surface of the conveying part again by the hollow sucker, then the solenoid valve is opened, inside outside air got into the three-way pipe, made inside the hollow chuck resume to the ordinary pressure state, made hollow chuck and work piece separation, conveniently carried out the position with the work piece and shifted between conveying mechanism and upset part, made the removal process of work piece more stable high-efficient, reduced the required time of overturning the work piece, improved the efficiency of production.

2. Then singlechip regulation and control motor start, the output shaft of motor drives the screw rod and rotates, because the spout restricts the rotation of splint, the screw thread opposite direction at both ends about the screw rod, screw hole and screw rod threaded connection through the splint middle part, make two splint be close to each other, carry out the centre gripping to the work piece through two foam-rubber cushions, start electric putter, electric putter's flexible end drives the position rebound of mounting panel, the space is provided for the upset of work piece, later start driving motor, driving motor's output shaft drives the carousel and rotates, and then drive the work piece and overturn, realize the clamp material, the lifting, the upset, the high efficiency that links up of decline reset and release turns over the board operation, personnel's work burden has been alleviateed, satisfy and turn over the board demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner structure of the turntable according to the present invention;

FIG. 3 is a schematic front view of the clamping mechanism of the present invention;

FIG. 4 is a schematic top view of the interior of the turntable according to the present invention;

fig. 5 is a schematic structural diagram of the auxiliary mechanism of the present invention.

In the figure: the device comprises a base plate 1, supporting legs 2, a 3U-shaped frame, a 4 mounting plate, a 5 rotating groove, a 6 rotating disc, a 7 clamping mechanism, a 71 rotating groove, a 72 motor, a 73 screw rod, a 74 sliding groove, a 75 clamping plate, an 8 auxiliary mechanism, an 81 ejection electric push rod, a 82 air suction pump, an 83 supporting plate, an 84 electromagnetic valve, an 85 three-way pipe, a 86 elastic hose, a 87 hollow sucker, a 9 control button, a 10 single chip microcomputer, a 11 driving motor, a 12 sponge cushion, a 13 vertical sliding groove, a 14 electric push rod and a 15 photoelectric sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment provides a technical solution: an auxiliary plate turnover device for resistor production comprises a bottom plate 1, a clamping mechanism 7 and an auxiliary mechanism 8;

bottom plate 1: the four corners of the lower surface of the bottom plate are provided with supporting legs 2 which support the whole device, the left end of the upper surface of the bottom plate 1 is provided with a U-shaped frame 3, the front and back inner walls of the U-shaped frame 3 are provided with vertical sliding grooves 13, a mounting plate 4 is connected between the two vertical sliding grooves 13 in a sliding manner, the vertical position of the mounting plate 4 is convenient to adjust, the right side surface of the mounting plate 4 is provided with a rotary groove 5, the inside of the rotary groove 5 is rotatably connected with a rotary table 6 through a bearing to provide space for mounting a clamping mechanism 7, a workpiece is turned over through rotating the rotary table 6, the front end of the upper surface of the bottom plate 1 is respectively provided with a single chip microcomputer 10 and a control button 9, the control button 9 is convenient for direct participation of personnel to indicate, the output end of the control button 9 is electrically connected with the input end of the single chip microcomputer 10, the input end of the single chip microcomputer 10 is electrically connected with an external power supply to control the start and stop of the whole device, the left side surface of the mounting plate 4 is provided with a driving motor 11, the right end of an output shaft of a driving motor 11 penetrates through a through hole at the left end of a mounting plate 4 and is fixedly connected with a rotary plate 6, an electric push rod 14 is arranged in a mounting hole at the upper end of a U-shaped frame 3, the lower end of a telescopic end of the electric push rod 14 is fixedly connected with the upper surface of the mounting plate 4, the input ends of the driving motor 11 and the electric push rod 14 are electrically connected with the output end of a single chip microcomputer 10 to provide power for rotation of the rotary plate 6 and up-down movement of the mounting plate 4, a photoelectric sensor 15 is arranged at the front end of the right side face of the U-shaped frame 3, the output end of the photoelectric sensor 15 is electrically connected with the input end of the single chip microcomputer 10, when the photoelectric sensor 15 detects a workpiece, the workpiece moves at a constant speed, whether the workpiece reaches a specified overturning station or not is conveniently and accurately positioned, the electric push rod 14 is started, and the telescopic end of the electric push rod 14 drives the mounting plate 4 to move upwards to provide space for overturning of the workpiece;

the clamping mechanism 7: the clamping mechanism 7 comprises a sliding groove 74 and clamping plates 75, the sliding groove 74 is vertically arranged on the right side face of the rotary table 6, the clamping plates 75 are vertically and slidably connected to the upper end and the lower end of the inside of the sliding groove 74, the clamping mechanism 7 further comprises a rotary groove 71, a motor 72 and a screw rod 73, the rotary groove 71 is vertically arranged in the middle of the rotary table 6, the rotary groove 71 is communicated with the sliding groove 74, the motor 72 is arranged at the upper end of the inside of the rotary groove 71, the screw rod 73 is arranged at the lower end of an output shaft of the motor 72, the lower end of the screw rod 73 is rotatably connected with the bottom wall of the rotary groove 71 through a rotary bearing, threaded holes in the middle of the clamping plates 75 are in threaded connection with the screw rod 73, the thread directions of the upper end and the lower end of the screw rod 73 are opposite, the input end of the motor 72 is electrically connected to the output end of the single chip microcomputer 10, the sponge cushion 12 is further arranged on the opposite inner side faces of the two clamping plates 75 respectively, and damage to a workpiece in the clamping process is avoided, the single chip microcomputer 10 controls the motor 72 to start, an output shaft of the motor 72 drives the screw rod 73 to rotate, the sliding groove 74 limits the rotation of the clamping plate 75, the thread directions of the upper end and the lower end of the screw rod 73 are opposite, the screw rod 73 is in threaded connection with a threaded hole in the middle of the clamping plate 75, the two clamping plates 75 are close to each other, a workpiece is lifted upwards by a certain height, and the workpiece is turned over;

the auxiliary mechanism 8: the auxiliary mechanism 8 comprises a material ejecting electric push rod 81, an air suction pump 82, a support plate 83, an electromagnetic valve 84, a three-way pipe 85, an elastic hose 86 and a hollow suction cup 87, the support plate 83 is arranged at the right end of the upper surface of the bottom plate 1, the material ejecting electric push rod 81 is arranged in a mounting hole at the front end of the support plate 83, the hollow suction cup 87 is arranged at the left end of the telescopic end of the material ejecting electric push rod 81, the air suction pump 82 is arranged in the mounting hole at the rear end of the support plate 83, the three-way pipe 85 is arranged at an air inlet of the air suction pump 82, the electromagnetic valve 84 is connected in series with the middle of an air inlet pipe at the rear end of the three-way pipe 85, the air inlet pipe at the left end of the three-way pipe 85 is communicated with an air outlet of the hollow suction cup 87 through the elastic hose 86, input ends of the material ejecting electric push rod 81, the air suction pump 82 and the electromagnetic valve 84 are electrically connected with the output end of the single chip microcomputer 10, and stop moving when a workpiece moves to the left side of the hollow suction cup 87, then a signal is transmitted to the single chip microcomputer 10 through the control button 9, the single chip microcomputer 10 controls the start of the ejecting electric push rod 81, the telescopic end of the ejecting electric push rod 81 pushes the workpiece to move leftwards to push the workpiece to the middle of the upper surface of the sponge mat 12 on the lower side from the upper surface of the conveying part, after the movement is completed, the ejecting electric push rod 81 is reset, after the workpiece is turned over, the ejecting electric push rod 81 is started to enable the hollow suction cup 87 to be in contact with the workpiece, the air suction pump 82 is started, the electromagnetic valve 84 is in a closed state, the air pressure of the hollow suction cup 87 is reduced under the action of suction force generated by the air suction pump 82, the workpiece is adsorbed on the hollow suction cup 87 under the action of the air pressure, then the ejecting electric push rod 81 is reset, the workpiece is driven to return to the upper surface of the conveying part again through the hollow suction cup 87, then the electromagnetic valve 84 is opened, external air enters the three-way pipe 85, and the interior of the hollow suction cup 87 is restored to the normal pressure state, the hollow sucker 87 is separated from the workpiece, so that the position of the workpiece is convenient to move, and the moving process of the workpiece is more stable.

The utility model provides an auxiliary plate turnover device for resistor production, which has the following working principle: when the device is used, the whole device is installed on a resistor production line, a workpiece is conveyed from a position between the supporting plate 83 and the U-shaped frame 3, when the photoelectric sensor 15 detects the workpiece, the workpiece moves at a constant speed, the workpiece stops moving when moving to the position of the hollow sucker 87 after a set time, then the single chip microcomputer 10 controls the ejection electric push rod 81 to be started, the telescopic end of the ejection electric push rod 81 pushes the hollow sucker 87 to move leftwards, meanwhile, the suction pump 82 is started, the electromagnetic valve 84 is in a power-off closing state, after the hollow sucker 87 is contacted with the workpiece, the air pressure in the hollow sucker 87 is reduced under the action of suction force generated by the suction pump 82, the workpiece is adsorbed under the action of the air pressure to avoid random rolling of the workpiece, after a certain time, the suction pump 82 stops running, the workpiece is pushed to the middle of the upper surface of the sponge pad 12 on the lower side from the upper surface of the conveying part, after the movement is finished, the electromagnetic valve 84 is electrified to enable the hollow suction cup 87 to recover normal pressure and be separated from the workpiece, the material ejecting electric push rod 81 is reset, then the motor 72 is started, the output shaft of the motor 72 drives the screw rod 73 to rotate, because the chute 74 limits the rotation of the clamping plate 75, the thread directions of the upper end and the lower end of the screw rod 73 are opposite, the screw hole in the middle of the clamping plate 75 is in threaded connection with the screw rod 73, the two clamping plates 75 are close to each other, the workpiece is clamped through the two sponge cushions 12, the electric push rod 14 is started, the telescopic end of the electric push rod 14 drives the mounting plate 4 to move upwards, a space is provided for the overturning of the workpiece, then the driving motor 11 is started, the output shaft of the driving motor 11 drives the turntable 6 to rotate, the workpiece is further driven to overturn, after the overturning is finished, the mounting plate 4 is reset, the motor 72 is rotated reversely, the two clamping plates 75 are opened relatively, then the material ejecting electric push rod 81 is started to enable the hollow suction cup 87 to be in contact with the workpiece, starting the air suction pump 82, wherein the electromagnetic valve 84 is in a closed state, the air pressure of the hollow suction cup 87 is reduced under the action of suction force generated by the air suction pump 82, the workpiece is adsorbed on the hollow suction cup 87 under the action of the air pressure, then the material ejecting electric push rod 81 is reset, the workpiece is driven by the hollow suction cup 87 to return to the upper surface of the conveying part again, then the electromagnetic valve 84 is opened, external air enters the inside of the three-way pipe 85, the inside of the hollow suction cup 87 is restored to a normal pressure state, the hollow suction cup 87 is separated from the workpiece, and in the using process of the integral device, the rotating directions of the driving motors 11 used in two adjacent turning-over processes are opposite.

It should be noted that the single chip microcomputer 10 disclosed in the above embodiments may be a single chip microcomputer of PIC16F1823-I/P type, the driving motor 11, the motor 72, the electric push rod 14, the ejection electric push rod 81, the suction pump 82 and the electromagnetic valve 84 may be freely configured according to practical application scenarios, the driving motor 11 and the motor 72 may be motors of 5IK40RGU-CF type, the electric push rod 14 and the ejection electric push rod 81 may be electric push rods of ANT-52 type, the suction pump 82 may be a suction pump of TNY21-4D type, the photoelectric sensor 15 may be a reflection-type photoelectric sensor of KR3630 type, the electromagnetic valve 84 may be an electromagnetic valve of HOPE73 type, the singlechip 10 controls the driving motor 11, the motor 72, the electric push rod 14, the ejection electric push rod 81, the suction pump 82, the photoelectric sensor 15 and the electromagnetic valve 84 to work by adopting a common method in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a resistance production is with supplementary plate turnover which characterized in that: comprises a bottom plate (1), a clamping mechanism (7) and an auxiliary mechanism (8);

base plate (1): four corners of the lower surface of the bottom plate are provided with supporting legs (2), the left end of the upper surface of the bottom plate (1) is provided with a U-shaped frame (3), the front inner wall and the rear inner wall of the U-shaped frame (3) are provided with vertical sliding grooves (13), a mounting plate (4) is connected between the two vertical sliding grooves (13) in a sliding manner, the right side surface of the mounting plate (4) is provided with a rotary groove (5), and the inside of the rotary groove (5) is rotatably connected with a rotary table (6) through a bearing;

clamping mechanism (7): is arranged inside the rotary disc (6);

auxiliary mechanism (8): is arranged at the right end of the upper surface of the bottom plate (1).

2. The auxiliary plate turnover device for resistor production according to claim 1, characterized in that: the front end of the upper surface of the bottom plate (1) is respectively provided with a single chip microcomputer (10) and a control button (9), the output end of the control button (9) is electrically connected with the input end of the single chip microcomputer (10), and the input end of the single chip microcomputer (10) is electrically connected with an external power supply.

3. The auxiliary plate turnover device for resistor production according to claim 2, characterized in that: the left surface of mounting panel (4) is equipped with driving motor (11), the output shaft right-hand member of driving motor (11) pass the through-hole of mounting panel (4) left end and with carousel (6) fixed connection, be equipped with electric putter (14) in the mounting hole of U type frame (3) upper end, the flexible end lower extreme of electric putter (14) is connected with the last fixed surface of mounting panel (4), the input of driving motor (11) and electric putter (14) all electricity is connected in the output of singlechip (10).

4. The auxiliary plate turnover device for resistor production according to claim 2, characterized in that: fixture (7) include spout (74) and splint (75), spout (74) are vertical to be set up in the right flank of carousel (6), and equal vertical sliding connection in both ends has splint (75) about the inside of spout (74).

5. The auxiliary plate turnover device for resistor production according to claim 4, characterized in that: fixture (7) still include swivelling chute (71), motor (72) and screw rod (73), swivelling chute (71) is vertical to be set up in the middle part of carousel (6), swivelling chute (71) is linked together with spout (74), the inside upper end of swivelling chute (71) is equipped with motor (72), the output shaft lower extreme of motor (72) is equipped with screw rod (73), the lower extreme of screw rod (73) is passed through the bottom wall rotation of swivel mount (71) and is connected, the screw hole in splint (75) middle part all with screw rod (73) threaded connection, the screw thread opposite direction at both ends about screw rod (73), the input electricity of motor (72) is connected in the output of singlechip (10).

6. The auxiliary plate turnover device for resistor production according to claim 2, characterized in that: the auxiliary mechanism (8) comprises an electric material ejecting push rod (81), an air suction pump (82), a supporting plate (83), an electromagnetic valve (84), a three-way pipe (85), an elastic hose (86) and a hollow sucker (87), the supporting plate (83) is arranged at the right end of the upper surface of the bottom plate (1), a material ejecting electric push rod (81) is arranged in a mounting hole at the front end of the supporting plate (83), a hollow sucker (87) is arranged at the left end of the telescopic end of the material ejecting electric push rod (81), an air suction pump (82) is arranged in the mounting hole at the rear end of the supporting plate (83), a three-way pipe (85) is arranged at an air inlet of the air suction pump (82), an electromagnetic valve (84) is connected in series with the middle of an air inlet pipe at the rear end of the three-way pipe (85), the air inlet pipe at the left end of the three-way pipe (85) is communicated with an air outlet of the hollow sucker (87) through an elastic hose (86), the material ejecting electric push rod (81), the input ends of the air suction pump (82) and the electromagnetic valve (84) are all electrically connected to the output end of the single chip microcomputer (10).

7. The auxiliary plate turnover device for resistor production according to claim 4, characterized in that: the novel clamping device is characterized by further comprising a spongy cushion (12), wherein the spongy cushion (12) is arranged at the right end of the opposite inner side faces of the two clamping plates (75) respectively.

8. The auxiliary plate turnover device for resistor production according to claim 2, characterized in that: the front end of the right side face of the U-shaped frame (3) is provided with a photoelectric sensor (15), and the output end of the photoelectric sensor (15) is electrically connected with the input end of the single chip microcomputer (10).