Brush assembling mechanism for rotary potentiometer

Abstract

The utility model relates to the technical field of potentiometer assembling equipment, in particular to an electric brush assembling mechanism for a rotary potentiometer, which comprises a supporting seat, a sensor for detecting the position of an electric brush material belt and a first conveying mechanism for driving the electric brush material belt to horizontally move at the top end of the supporting seat, a bending and shaping mechanism, a punching mechanism and a waste collecting mechanism are sequentially arranged at the top end of the supporting base in the conveying direction of an electric brush material belt, and a driving mechanism for driving the bending and shaping mechanism and the punching mechanism to move synchronously is arranged below the supporting base. A material suction head and a second conveying mechanism for adjusting the position of the material suction head are arranged on the side, close to the punching mechanism, of the top end of the supporting base, a material belt is horizontally conveyed through the first conveying mechanism, and bending shaping, punching separation and waste belt punching collection can be sequentially conducted on an electric brush through the bending shaping mechanism, the punching mechanism and the waste collecting mechanism. And the punched electric brushes are sent out through the material suction head and the second conveying mechanism, automatic assembly can be achieved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to potentiometer equipment technical field, concretely is brush assembly mechanism for rotary potentiometer. BACKGROUND

[0002] Potentiometer is with three outgoing ends, resistance value can adjust according to certain variation law resistance element. Potentiometer usually is composed of resistance body and movable brush. Its main function is to adjust the size of voltage and current. Working principle is through manual adjustment rotating shaft or slide handle, changes the position of dynamic contact on resistance body, then changes the resistance value between dynamic contact and any one fixed end, thereby changes the size of voltage and current.

[0003] Rotary potentiometer includes rubber coated carbon sheet, brush and gum seat, and the brush material band is generally set in roll, needs to separate the brush from the material band during assembly, then sends out the brush one by one and fixes with the gum seat, so needs to use a brush assembly mechanism. SUMMARY

[0004] The utility model discloses a kind of brush assembly mechanism for rotary potentiometer, to solve the problem raised in above-mentioned background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: brush assembly mechanism for rotary potentiometer, including support seat, sensor for detecting brush material band position and first conveying mechanism for driving brush material band horizontal movement at the top of support seat, the top of support seat is sequentially provided with bending shaping mechanism, punching mechanism and waste collection mechanism along the direction of brush material band conveying, the drive mechanism for driving bending shaping mechanism and punching mechanism synchronous motion is arranged below support seat, the side of the top of support seat close to punching mechanism is provided with suction head for fixing the brush punched down and the second conveying mechanism for adjusting the position of suction head.

[0006] Further, the first conveying mechanism includes movable block that is horizontally slidably arranged at the top of support seat by first linear drive, positioning rod that is vertically arranged on movable block by second linear drive, the positioning rod is matched with the through hole at the edge of brush material band.

[0007] Further, the bending shaping mechanism includes pressing block and bending head that are arranged at the upper and lower ends of brush material band respectively, and the top of bending head is provided with inclined upward guide slope on both sides, for bending the both sides of brush upward, the pressing block is used to press the middle of brush downward.

[0008] Further, the punching mechanism includes limiting frame and brush punching head that are arranged at the upper and lower ends of brush material band respectively, the brush punching head is used to punch and separate the edge of brush and material band upward, the limiting frame is used to press the edge of material band downward during punching.

[0009] Further, the driving mechanism comprises a fixed seat fixed below the support seat, a first movable rod in sliding connection with the fixed seat, a second movable rod, a third movable rod, a fourth movable rod, a first movable plate and a second movable plate installed at the front and rear ends of the fixed seat in synchronous horizontal sliding connection through a third linear driving piece, the first movable rod is fixedly connected with the bending head, the second movable rod is fixedly connected with the pressing block, the third movable rod is fixedly connected with the brush punching head, and the fourth movable rod is fixedly connected with the limiting frame, the first movable plate is provided with a first guide sliding hole and a second guide sliding hole which are inclined downward along the belt conveying direction, the second movable plate is provided with a third guide sliding hole and a fourth guide sliding hole which are inclined upward along the belt conveying direction, the second movable rod is in sliding connection with the first guide sliding hole through a fixed rod, the fourth movable rod is in sliding connection with the second guide sliding hole through a fixed rod, the first movable rod is in sliding connection with the third guide sliding hole through a fixed rod, and the third movable rod is in sliding connection with the fourth guide sliding hole through a fixed rod.

[0010] Further, the second conveying mechanism comprises a fourth linear driving piece for adjusting the height of the suction head and a fifth linear driving piece for adjusting the horizontal position.

[0011] Further, the waste collecting mechanism comprises a waste punching head, a sixth linear driving piece for driving the waste punching head to move up and down, and a discharge chute which is inclined downward below the waste punching head.

[0012] Compared with the prior art, the brush assembly mechanism for the rotary potentiometer has the beneficial effects that the first conveying mechanism is arranged to horizontally convey the material belt, the bending and shaping mechanism, the punching mechanism and the driving mechanism are arranged to sequentially bend, shape and punch and separate the brush, the second conveying mechanism is arranged to convey the punched brush, and the waste collecting mechanism is arranged to punch and collect the waste belt, so that the automatic assembly can be realized, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front perspective structural schematic view of the utility model;

[0014] Figure 2 It is a back perspective structural schematic view of the utility model;

[0015] Figure 3 It is a first conveying mechanism perspective structural schematic view of the utility model;

[0016] Figure 4 It is a second conveying mechanism perspective structural schematic view of the utility model;

[0017] Figure 5 It is a bending and shaping mechanism and punching mechanism perspective structural schematic view of the utility model;

[0018] Figure 6 It is the back three-dimensional structure schematic view of the driving mechanism of the utility model.

[0019] Figure 7 It is the front three-dimensional structure schematic view of the driving mechanism of the utility model.

[0020] In the figure: 1, support seat; 2, sensor; 3, first conveying mechanism; 301, movable block; 302, first linear driving part; 303, second linear driving part; 304, positioning rod; 4, bending and shaping mechanism; 401, bending head; 402, pressing block; 5, punching mechanism; 501, brush punching head; 502, limiting frame; 6, driving mechanism; 601, fixed seat; 602, first movable rod; 603, second movable rod; 604, third movable rod; 605, fourth movable rod; 6071, third guide sliding hole; 6072, fourth guide sliding hole; 606, first movable plate; 6061, first guide sliding hole; 6062, second guide sliding hole; 607, second movable plate; 6071, third guide sliding hole; 6072, fourth guide sliding hole; 608, third linear driving part; 7, suction head; 8, second conveying mechanism; 801, fourth linear driving part; 802, fifth linear driving part; 9, waste collecting mechanism; 901, waste punching head; 902, sixth linear driving part; 903, discharge chute. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. In the description of the utility model, it should be explained that the description of terms "first", "second" and the like is only for the purpose of description, and does not mean to particularly indicate the order or sequence, nor to limit the utility model, which is only to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In order to cover the non-exclusive inclusion, the terms "include" and any variations thereof in the description of the utility model and claims and the above-mentioned drawings.

[0022] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connect", "arrange" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirect connection through intermediate medium, can be the intercommunication of two elements internally, the specific meaning of the above terms in the utility model can be understood according to specific circumstances for ordinary skilled person in the art.In addition, in the description of the utility model, it is necessary to understand that, the orientation or position relation indicated by the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like is the orientation or position relation based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation of the utility model.

[0023] The rotary potentiometer drives the brush to rotate on the rubber-coated carbon sheet by rotating the rubber base, and then changes the position of the brush on the rubber-coated carbon sheet, that is, changes the resistance value between the moving contact and any fixed end, so as to change the size of voltage and current.The brush is generally punched from a metal strip and then stored in a roll, so a brush assembly mechanism is needed to punch the brush from the material belt one by one and then place it on the rubber base and rivet it with the rubber base.

[0024] Please refer to Figures 1-7 The utility model provides a kind of brush assembly mechanism for rotary potentiometer, including support seat 1, sensor 2 of detecting brush material belt position and first conveying mechanism 3 of driving brush material belt horizontal movement in the top end of support seat 1, with reference to the drawing Figure 3 First conveying mechanism 3 includes movable block 301 that is horizontally slidably arranged on the top end of support seat 1 by first linear drive 302, positioning rod 304 that is vertically and penetratively arranged on movable block 301 by second linear drive 303, positioning rod 304 is adapted to the through hole at the edge of brush material belt, in the embodiment, positioning rod 304 is provided with two, is driven by second linear drive 303 and is inserted into the through hole inside at the width of both sides of brush material belt, first linear drive 302 pushes movable block 301 to move horizontally, in turn can drive second linear drive 303 and material belt horizontal movement, direction moves to one side and feeds.

[0025] The top end of support seat 1 is sequentially provided with bending and shaping mechanism 4, punching mechanism 5 and waste collecting mechanism 9 along the conveying direction of brush material belt, and driving mechanism 6 is arranged below support seat 1 to drive bending and shaping mechanism 4 and punching mechanism 5 to move synchronously, and sequentially bending and shaping, punching separation and waste belt collection are carried out on brush material belt.

[0026] With reference to the drawingFigure 5 The bending and shaping mechanism 4 comprises a pressing block 402 and a bending head 401 arranged at the upper and lower ends of the brush strip respectively, and the top of the bending head 401 is provided with inclined guide slopes on both sides, which are used to bend the inner sides of the brush upward, and the pressing block 402 is used to press the middle of the brush downward. During operation, the pressing block 402 and the bending head 401 move reversely to work cooperatively to bend the moving contact of the brush upward.

[0027] Referring to the accompanying drawings Figure 5 The punching mechanism 5 comprises a limiting frame 502 and a brush punching head 501 arranged at the upper and lower ends of the brush strip respectively, and the brush punching head 501 is used to punch the brush and the edge of the strip upward to separate them, and the limiting frame 502 is used to press the edge of the strip downward during punching. During operation, the limiting frame 502 and the brush punching head 501 move reversely to work cooperatively to punch the brush and the strip apart.

[0028] Referring to the accompanying drawings Figures 6-7 The driving mechanism 6 comprises a fixed seat 601 fixed below the support seat 1, a first movable rod 602, a second movable rod 603, a third movable rod 604, a fourth movable rod 605, a first movable plate 606 and a second movable plate 607 synchronously horizontally slidingly installed at the front and rear ends of the fixed seat 601 through a third linear driving piece 608, the first movable rod 602 is fixedly connected with the bending head 401, the second movable rod 603 is fixedly connected with the pressing block 402, the third movable rod 604 is fixedly connected with the brush punching head 501, the fourth movable rod 605 is fixedly connected with the limiting frame 502, the first movable plate 606 is provided with a first guide sliding hole 6061 and a second guide sliding hole 6062 obliquely downward along the strip running direction, the second movable plate 607 is provided with a third guide sliding hole 6071 and a fourth guide sliding hole 6072 obliquely upward along the strip running direction, the second movable rod 603 is slidingly connected with the first guide sliding hole 6061 through a fixed rod, the fourth movable rod 605 is slidingly connected with the second guide sliding hole 6062 through a fixed rod, the first movable rod 602 is slidingly connected with the third guide sliding hole 6071 through a fixed rod, the third movable rod 604 is slidingly connected with the fourth guide sliding hole 6072 through a fixed rod, the first movable plate 606 and the second movable plate 607 are synchronously horizontally moved left and right by the third linear driving piece 608, and then the first movable rod 602, the second movable rod 603, the third movable rod 604 and the fourth movable rod 605 are synchronously moved in the vertical direction, that is, when the bending head 401 and the brush punching head 501 rise, the pressing block 402 and the limiting frame 502 descend synchronously, and when the bending head 401 and the brush punching head 501 descend, the pressing block 402 and the limiting frame 502 rise synchronously.

[0029] Referring to the accompanying drawings Figure 4The top end of the support base 1 is provided with a suction head 7 for fixing the punched brush and a second conveying mechanism 8 for adjusting the position of the suction head 7 on the side close to the punching mechanism 5, the bottom end of the suction head 7 is provided with a positioning hole matched with the brush, and the suction head 7 is connected with an air pump for sucking the punched brush, the second conveying mechanism 8 comprises a fourth linear driving part 801 for adjusting the height of the suction head 7 and a fifth linear driving part 802 for adjusting the horizontal position, so as to adjust the position of the suction head 7 and the brush and send the brush to the top end of the rubber holder of the assembly tool.

[0030] Reference is made to the accompanying drawings Figure 1 The waste collecting mechanism 9 comprises a waste punching head 901, a sixth linear driving part 902 for driving the waste punching head 901 to move up and down, and a discharge chute 903 obliquely arranged below the waste punching head 901, the waste punching head 901 is driven by the sixth linear driving part 902 to move up and down, and the remaining waste belt is punched into multiple sections and falls into the discharge chute 903 for collection.

[0031] In the embodiment, the linear driving part can be a pneumatic cylinder, or can be an electric push rod according to the requirement.

[0032] Working principle: The brush belt enters horizontally into the top end of the support base 1, the sensor 2 detects the position of the belt, the first conveying mechanism 3 drives the brush belt to slide horizontally on the top end of the support base 1, the brush belt is bent and shaped and punched and separated in sequence when moving to the bending and shaping mechanism 4 and the punching mechanism 5, the waste belt continues to move to the waste collecting mechanism 9 for punching and collection, the suction head 7 sucks the punched and separated brush, and the position of the suction head 7 and the brush is adjusted by the second conveying mechanism 8 to send the brush to the top end of the assembly tool and drop down.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A brush assembly mechanism for a rotary potentiometer, characterized by: The utility model relates to a brush strip cutting device, including support seat (1), the sensor (2) of detecting brush strip position and drive brush strip first conveying mechanism (3) in support seat (1) top horizontal movement, the top of support seat (1) is sequentially provided with bending shaping mechanism (4), punching mechanism (5) and waste collection mechanism (9) along the brush strip conveying direction, the lower portion of support seat (1) is provided with drive mechanism (6) of driving bending shaping mechanism (4) and punching mechanism (5) synchronous motion, the side of support seat (1) top near punching mechanism (5) is provided with the suction head (7) for fixedly punching down the brush of second conveying mechanism (8) and the position of adjusting suction head (7).

2. The rotary potentiometer brush assembly mechanism according to claim 1, characterized by: The first conveying mechanism (3) includes a movable block (301) horizontally slidingly arranged on the top of the support seat (1) by a first linear drive member (302), and a positioning rod (304) penetratingly arranged on the movable block (301) by a second linear drive member (303).

3. The rotary potentiometer brush assembly mechanism according to claim 1, characterized by: The bending shaping mechanism (4) includes a pressing block (402) and a bending head (401) arranged on the upper and lower ends of the brush strip respectively, and the top of the bending head (401) is provided with inclined guide slopes on both sides thereof for bending the two sides of the brush inwardly upward, and the pressing block (402) is used for pressing the middle of the brush downward.

4. The rotary potentiometer brush assembly mechanism according to claim 1, characterized by: The punching mechanism (5) includes a limiting frame (502) and a brush punching head (501) arranged on the upper and lower ends of the brush strip respectively, the brush punching head (501) is used for punching and separating the brush from the edge of the strip upward, and the limiting frame (502) is used for pressing the edge of the strip downward during punching.

5. The rotary potentiometer brush assembly mechanism according to claim 1, characterized by: The driving mechanism (6) comprises a fixing base (601) fixed below the support base (1), a first movable rod (602) in sliding connection with the fixing base (601) upward and downward, a second movable rod (603), a third movable rod (604), a fourth movable rod (605), a first movable plate (606) and a second movable plate (607) synchronously horizontally slidingly installed at the front and rear ends of the fixing base (601) through a third linear driving piece (608), the first movable rod (602) is fixedly connected with the bending head (401), the second movable rod (603) is fixedly connected with the pressing block (402), the third movable rod (604) is fixedly connected with the brush punching head (501), the fourth movable rod (605) is fixedly connected with the limiting frame (502), the first movable plate (606) is provided with a first guide sliding hole (6061) and a second guide sliding hole (6062) inclined downward along the walking direction, the second movable plate (607) is provided with a third guide sliding hole (6071) and a fourth guide sliding hole (6072) inclined upward along the walking direction, the second movable rod (603) is slidingly connected with the first guide sliding hole (6061) through a fixing rod, the fourth movable rod (605) is slidingly connected with the second guide sliding hole (6062) through a fixing rod, the first movable rod (602) is slidingly connected with the third guide sliding hole (6071) through a fixing rod, and the third movable rod (604) is slidingly connected with the fourth guide sliding hole (6072) through a fixing rod.

6. The rotary potentiometer brush assembly mechanism of claim 1, wherein: The second conveying mechanism (8) comprises a fourth linear driving piece (801) for adjusting the height of the suction head (7) and a fifth linear driving piece (802) for adjusting the horizontal position.

7. The rotary potentiometer brush assembly mechanism of claim 1, wherein: The waste collecting mechanism (9) comprises a waste punching head (901), a sixth linear driving piece (902) for driving the waste punching head (901) to move upward and downward, and a discharge chute (903) inclined downward below the waste punching head (901).

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