CN214652290U

CN214652290U - Transmission assembly of brush in potentiometer

Info

Publication number: CN214652290U
Application number: CN202120791207.0U
Authority: CN
Inventors: 乐一东
Original assignee: Ningbo Heye Electronics Co ltd
Current assignee: Ningbo Heye Electronics Co ltd
Priority date: 2021-04-18
Filing date: 2021-04-18
Publication date: 2021-11-09
Anticipated expiration: 2031-04-18

Abstract

The utility model discloses a transmission component of a brush in a potentiometer, which has the key points of the technical scheme that the transmission component comprises a frame, a slide way for placing a drawstring and a thrust cylinder are arranged on the frame, a piston rod of the thrust cylinder is provided with a slide block, the moving track of the slide block is parallel to the slide way, the slide block is fixed with a vertical cylinder, and the piston rod of the vertical cylinder points to a drawing hole of the drawstring in the slide way; a turntable is mounted on one side of the rack, the turntable is connected with a motor, a conductive rod is arranged between the turntable and the slide way, a side plate of the turntable is electrically connected with a pull belt, and the conductive rod and the inside of the turntable are electrically connected with a relay for starting the motor in a triggering mode; the height of the conductive rod is lower than that of the slide way; the condition that the brush breaks off in the pulling transportation is reduced, the condition of production interruption is reduced, and the production efficiency is favorably improved.

Description

Transmission assembly of brush in potentiometer

Technical Field

The utility model relates to a potentiometre production facility, more specifically say, it relates to the drive assembly of brush in potentiometre.

Background

As shown in fig. 1, a brush 102 in a potentiometer needs to be clamped into a screw cap 101, in the prior art, the brush 102 is fixed by a pull tape 103, pull holes 104 are formed in the pull tape 103, the pull holes 104 correspond to the brushes 102 one by one, the pull tape 103 is wound into a disk, in the installation process of the brush 102 and the screw cap 101, the pull tape 103 needs to be pulled out of the disk, then, the pull tape 103 is punched by a punching structure to obtain a single brush 102, and then the single brush 102 is grabbed and installed in the screw cap 101.

However, in the above-mentioned process, there is a drawback in terms of cost and transportation, that is, the draw tape 103 is relatively thin and wound on the tray body, and the tray body is rotated by directly pulling the draw tape 103, which may cause the snap to break, which may easily cause frequent interruption of the subsequent brush 102 punching and cutting step, and thus the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drive assembly of brush in potentiometre reduces the condition emergence of brush rupture in the pulling transportation, and the condition that has reduced the production interrupt takes place, is favorable to promoting production efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a transmission assembly of a brush in a potentiometer comprises a rack, wherein a slide way for placing a pull belt and a thrust cylinder are arranged on the rack, a piston rod of the thrust cylinder is provided with a slide block, the moving track of the slide block is parallel to the slide way, a vertical cylinder is fixed on the slide block, and the piston rod of the vertical cylinder points to a pull hole of the pull belt in the slide way; a turntable is mounted on one side of the rack, the turntable is connected with a motor, a conductive rod is arranged between the turntable and the slide way, a side plate of the turntable is electrically connected with a pull belt, and the conductive rod and the inside of the turntable are electrically connected with a relay for starting the motor in a triggering mode; the height of the conductive rod is lower than that of the slide way.

By adopting the technical scheme, the pull belt is hung at the positions of the slide way and the turntable, and the pull belt moves forwards in the transverse movement of the vertical cylinder, so that the hung pull belt is gradually straightened; and the stretching strap is by the in-process of flare-outing in this design, plays to hang flagging position and rises gradually, when stretching strap and conducting rod contact, will trigger the relay for the motor is rotatory, drives the carousel and screws out the stretching strap, has avoided taking place because the stretching strap drives the rotatory fracture condition that takes place of carousel, has reduced the condition of production interrupt and has taken place, is favorable to promoting production efficiency.

Preferably, the height of the conductive rods is 1/2 to 2/3 of the height of the slide.

Through adopting above-mentioned technical scheme, in this highly divide into, the conducting rod can well trigger the relay, and the removal of stretching strap is also comparatively smooth and easy moreover.

Preferably, the curb plate of carousel is the metal sheet, and the outside of carousel is equipped with metal shrapnel, and metal shrapnel and curb plate conflict are connected, and metal shrapnel connects the relay.

Through adopting above-mentioned technical scheme, metal shrapnel switches on with the curb plate all the time, and metal sheet and metal shrapnel can be ironwork or copper product.

Preferably, the slide way feeding port is provided with an arc-shaped guide plate.

Through adopting above-mentioned technical scheme, the effect of arc baffle has been that the stretching strap can be smooth and easy the income spout, avoids the stretching strap to be taken place at the condition that the slide was broken.

Preferably, the conducting rod is provided with a support, the turntable is provided with a tray frame, and a bearing cloth is arranged between the support and the tray frame and is arranged below the conducting rod and the side plate in a bearing mode.

By adopting the technical scheme, the cloth is taken over when the tail end of the pull belt of the rotary table is screwed out. The stretching strap can fall under the action of gravity and collide and rub with ground, this time lead to the terminal brush wearing and tearing of stretching strap and hit the bamboo shoot, and the effect of accepting the cloth for the stretching strap end can fall on accepting the cloth, has avoided the terminal condition of hitting the damage of falling to the ground of stretching strap to take place.

Preferably, the support is provided with a rotating shaft, the rotating shaft is connected with a rotating handle, one end of the bearing cloth rotates on the rotating shaft, the other end of the bearing cloth is fixedly provided with a hook, and the hook is hooked with the dish rack.

By adopting the technical scheme, the hook is convenient for carrying cloth and hanging on the plate rack, and the rotary handle is convenient for carrying cloth and rolling.

Preferably, two positioning blocks are installed on the machine frame, and the positioning blocks are located at two ends of a sliding track of the sliding block so that the distance of single stroke of the sliding block is equal to the distance of two adjacent pull holes in the pull belt.

By adopting the technical scheme, the one-way distance of the sliding block is limited by the two positioning blocks under the action of blocking and positioning.

Drawings

FIG. 1 is a schematic view of the construction of a product screw cap and a brush mounted on a pull tab;

FIG. 2 is a schematic structural view of the embodiment;

FIG. 3 is a schematic structural view of the embodiment after the receiving cloth is opened;

fig. 4 is a circuit diagram of the dial rotation control circuit in the embodiment.

In the figure:

1. a frame;

21. a slideway; 22. an arc-shaped guide plate;

31. a thrust cylinder; 32. a slider; 33. a vertical cylinder; 34. positioning blocks;

4. a stamping mechanism;

51. a tray frame; 52. a turntable; 53. a side plate; 54. a metal spring sheet; 55. a motor; 56. a relay;

61. a support; 62. a conductive rod;

71. a receiving cloth; 72. a rotating shaft; 73. rotating the handle; 74. hooking;

101. screwing a cover; 102. a brush; 103. pulling the belt; 104. and (6) hole drawing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment, referring to fig. 1-4, a transmission assembly of a brush in a potentiometer includes a frame 1, a slide 21 for placing a pull belt 103 and a thrust cylinder 31 are installed on the frame 1, vertical plates are installed on two sides of the slide 21, an arc-shaped guide plate 22 is installed at a feeding port of the slide 21, and the arc-shaped guide plate 22 includes a semicircular plate.

A piston rod of the thrust cylinder 31 is provided with a sliding block 32, the moving track of the sliding block 32 is parallel to the slide rail 21, the sliding block 32 is fixedly provided with a vertical cylinder 33, the piston rod of the vertical cylinder 33 points to a pull hole 104 of a pull belt 103 in the slide rail 21, and the rack 1 is provided with two positioning blocks 34.

The positioning blocks 34 are located at two ends of the sliding track of the slider 32 to realize that the distance of one-pass travel of the slider 32 is equal to the distance between two adjacent pull holes 104 in the pull belt 103.

And a stamping mechanism 4 is arranged at the other end of the slide way 21 far away from the arc-shaped guide plate 22, and the stamping mechanism 4 can cut the brush 102 from the pull belt 103 and press the pull belt 103.

The working principle of the pull belt 103 pulled by the slide rail 21 is as follows: the piston rod of the vertical cylinder 33 extends downwards, the piston rod extends into the pull hole 104 of the pull belt 103, at the moment, the punching mechanism 4 is separated from the pull belt 103, the thrust cylinder 31 drives the sliding block 32 and the vertical cylinder 33 to move towards the punching mechanism 4, the moving distance is just the distance between the two pull holes 104, then the punching mechanism 4 punches the pull belt 103 downwards, the separation of the brush 102 and the pull belt 103 is realized, and the pull belt 103 is pressed by the punching mechanism 4; next, the piston rod of the vertical cylinder 33 moves upwards, and the thrust cylinder 31 moves the vertical cylinder 33 to the initial pressing station, and the operation is repeated.

A turntable 52 is installed on one side of the machine frame 1, the turntable 52 is provided with a disc frame 51, the turntable 52 can rotate on the disc frame 51, the turntable 52 is connected with a motor 55, the motor 55 is a servo motor, and the motor 55 drives the turntable 52 to rotate.

A conductive rod 62 is arranged between the turntable 52 and the slideway 21, the conductive rod 62 is provided with a support 61, a side plate 53 of the turntable 52 is electrically connected with a pull belt 103, the pull belt 103 is wound on the turntable 52, one side of the pull belt 103 is abutted against the side plate 53, so that the pull belt 103 and the side plate 53 are in a conducting state;

the conductive rod 62 and the rotary disc 52 are internally and electrically connected with a relay 56 for starting the motor 55 in a triggering mode; the height of the conductive bar 62 is 1/2 the height of the slide 21. The side plate 53 of the rotary disc 52 is a metal plate, the outer side of the rotary disc 52 is provided with a metal elastic sheet 54, the metal elastic sheet 54 is elastically abutted against the side plate 53, therefore, when the rotary disc 52 rotates, the side plate 53 and the metal are popped out to be in a conducting state, and the metal elastic sheet 54 is connected with the relay 56.

The automatic rotation principle of the turntable 52 is that the pull belt 103 is hung below the conductive rod 62, the conductive rod 62 is an iron rod, and the conductive rod 62 is hollow; the pull belt 103 is a metal belt, the hanging part of the pull belt 103 rises in the forward pulling process of the pull belt 103, and when the pull belt 103 is contacted with the conductive rod 62, the relay 56 is triggered, so that the motor 55 is electrified, the motor 55 rotates to rotate the pull belt 103 out, and the pull belt 103 returns to a downward rotation state, so that the pull belt 103 is prevented from breaking due to the fact that the pull belt 103 pulls the turntable 52.

A receiving cloth 71 is arranged between the support 61 and the tray frame 51, and the receiving cloth 71 is arranged below the conductive rod 62 and the side plate 53. The support 61 is provided with a rotating shaft 72, the rotating shaft 72 is connected with a rotating handle 73, one end of the receiving cloth 71 rotates on the rotating shaft 72, the other end of the receiving cloth 71 is fixed with a hook 74, and the hook 74 is hooked with the disc frame 51.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A transmission component of a brush in a potentiometer is characterized in that: the device comprises a rack (1), wherein a slide way (21) for placing a pull belt (103) and a thrust cylinder (31) are installed on the rack (1), a piston rod of the thrust cylinder (31) is provided with a slide block (32), the moving track of the slide block (32) is parallel to the slide way (21), the slide block (32) is fixedly provided with a vertical cylinder (33), and the piston rod of the vertical cylinder (33) points to a pull hole (104) of the pull belt (103) in the slide way (21);

a turntable (52) is installed on one side of the rack (1), the turntable (52) is connected with a motor (55), a conductive rod (62) is arranged between the turntable (52) and the slide way (21), a side plate (53) of the turntable (52) is electrically connected with a pull belt (103), and a relay (56) for starting the motor (55) in a triggering mode is electrically connected in the conductive rod (62) and the turntable (52);

the height of the conductive rod (62) is lower than that of the slide rail (21).

2. A drive assembly for a brush in a potentiometer according to claim 1, wherein: the height of the conductive rod (62) is 1/2 to 2/3 of the height of the slide (21).

3. A drive assembly for a brush in a potentiometer according to claim 1, wherein: the side plate (53) of the rotary table (52) is a metal plate, the outer side of the rotary table (52) is provided with a metal elastic sheet (54), the metal elastic sheet (54) is connected with the side plate (53) in an abutting mode, and the metal elastic sheet (54) is connected with the relay (56).

4. A drive assembly for a brush in a potentiometer according to claim 1, wherein: an arc-shaped guide plate (22) is arranged at a feeding port of the slide way (21).

5. A drive assembly for a brush in a potentiometer according to claim 1, wherein: the conductive rod (62) is provided with a support (61), the turntable (52) is provided with a disc frame (51), a receiving cloth (71) is arranged between the support (61) and the disc frame (51), and the receiving cloth (71) is arranged below the conductive rod (62) and the side plate (53).

6. A drive assembly for a brush in a potentiometer according to claim 5, wherein: the support (61) is provided with a rotating shaft (72), the rotating shaft (72) is connected with a rotating handle (73), one end of the bearing cloth (71) rotates on the rotating shaft (72), the other end of the bearing cloth (71) is fixed with a hook (74), and the hook (74) is hooked with the disc frame (51).

7. A drive assembly for a brush in a potentiometer according to claim 1, wherein: two positioning blocks (34) are installed on the rack (1), and the positioning blocks (34) are located at two ends of a sliding track of the sliding block (32) so that the distance of single trip travel of the sliding block (32) is equal to the distance of two adjacent pull holes (104) in the pull belt (103).