阅读说明：本技术 一种防止电阻线磨损的加工凸轮 (Machining cam capable of preventing resistance wire from being abraded ) 是由 陈洁欣 林品 陈明 于 2021-06-21 设计创作，主要内容包括：本发明提供一种防止电阻线磨损的加工凸轮,涉及电阻技术领域。该防止电阻线磨损的加工凸轮,包括壳体,所述壳体的内部转动连接有转轴,所述壳体的底部活动连接有挡板,所述挡板靠近壳体的一端固定连接有弹簧圈,所述转轴的外围固定连接有转盘,所述转盘的外围固定连接有伸缩杆。通过凸轮自身的转动带动转轴进行旋转,通过伸缩杆带动弹簧杆进行移动,从而使滑块带动衔接杆进行移动,通过气压板与气缸的配合使用,带动凸轮底部的弹簧圈移动,使电阻丝与凸轮的接触面积增大,从而使电阻丝与凸轮之间的压力减小,达到了防止电阻器磨损的效果,通过导杆带动清洁轮移动,达到了清理凸轮表面灰尘的效果。(The invention provides a processing cam for preventing a resistance wire from being worn, and relates to the technical field of resistors. This prevent processing cam of resistance wire wearing and tearing, including the casing, the inside of casing rotates and is connected with the pivot, the bottom swing joint of casing has the baffle, the baffle is close to the one end fixedly connected with spring ring of casing, the peripheral fixedly connected with carousel of pivot, the peripheral fixedly connected with telescopic link of carousel. The rotating shaft is driven to rotate through the rotation of the cam, the spring rod is driven to move through the telescopic rod, so that the sliding block drives the connecting rod to move, the spring ring at the bottom of the cam is driven to move through the matching of the pressure plate and the air cylinder, the contact area of the resistance wire and the cam is increased, the pressure between the resistance wire and the cam is reduced, the effect of preventing the resistor from being abraded is achieved, the cleaning wheel is driven to move through the guide rod, and the effect of cleaning dust on the surface of the cam is achieved.)

1. A processing cam for preventing resistance wire from being worn comprises a shell (1), and is characterized in that: the inner rotating of the shell (1) is connected with a rotating shaft (2), the bottom of the shell (1) is movably connected with a baffle (3), the baffle (3) is close to one end of a spring ring (4) of the shell (1), the peripheral of the rotating shaft (2) is fixedly connected with a turntable (5), the peripheral of the turntable (5) is fixedly connected with a telescopic rod (6), one end of the telescopic rod (6) far away from the turntable (5) is fixedly connected with a U-shaped cover (7), the peripheral of the U-shaped cover (7) is movably connected with a spring rod (8), one end of the spring rod (8) far away from the U-shaped cover (7) is fixedly connected with a sliding block (9), the inner sliding of the sliding block (9) is connected with a sliding rod (10), the bottom of the sliding block (9) is fixedly connected with a connecting rod (11), and the bottom of the connecting rod (11) is fixedly connected with a toothed plate (12), the bottom of the toothed plate (12) is meshed with a first gear (13), the periphery of the first gear (13) is meshed with a second gear (14), a transmission rod (15) is fixedly connected to the inside of the second gear (14), one end, far away from the second gear (14), of the transmission rod (15) is fixedly connected with an air pressure plate (16), the periphery of the air pressure plate (16) is movably connected with an air cylinder (17), the bottom of the air cylinder (17) is fixedly connected with an air spring (18), the bottom of the air spring (18) is fixedly connected with a U-shaped rod (19), one end, far away from the air spring (18), of the U-shaped rod (19) is fixedly connected with a moving block (20), the periphery of the moving block (20) is movably connected with a guide rod (21), one end, far away from the moving block (20), of the guide rod (21) is fixedly connected with a positioning wheel (22), and the periphery of the guide rod (21) is movably connected with a push rod (23), the periphery of the push rod (23) is fixedly connected with a cleaning wheel (24).

2. The machined cam for preventing the abrasion of the resistance wire according to claim 1, wherein: the rotating shaft (2) is located in the center of the inner part of the shell (1), and the telescopic rods (6) are uniformly distributed on the periphery of the rotating disc (5).

3. The machined cam for preventing the abrasion of the resistance wire according to claim 1, wherein: the number of the U-shaped covers (7) is the same as that of the telescopic rods (6), and the U-shaped covers (7) and the spring rods (8) are in the same plane.

4. The machined cam for preventing the abrasion of the resistance wire according to claim 1, wherein: one end, far away from the sliding block (9), of the sliding rod (10) is fixedly connected to the inner portion of the shell (1), and the connecting rods (11) are symmetrically distributed on two sides of the rotating shaft (2).

5. The machined cam for preventing the abrasion of the resistance wire according to claim 1, wherein: the transmission rod (15) is connected with the air pressure plate (16) through a movable rod, and the air cylinder (17) is fixedly installed inside the shell (1).

6. The machined cam for preventing the abrasion of the resistance wire according to claim 1, wherein: the moving block (20) is fixedly connected to a spring post in the shell (1), and the U-shaped rod (19) is not in contact with the guide rod (21).

7. The machined cam for preventing the abrasion of the resistance wire according to claim 1, wherein: one end of the positioning wheel (22) far away from the guide rod (21) is fixedly connected to the baffle (3), and the cleaning wheels (24) are uniformly distributed on the periphery of the shell (1).

Technical Field

The invention relates to the technical field of resistors, in particular to a processing cam for preventing a resistance wire from being abraded.

Background

The resistance is a physical quantity, which marks the resistance of the conductor to the current in physics, the resistor is often used in industry to change the current, the resistor is also installed in many electrical appliances to ensure the normal operation of the equipment, the resistance wire needs to be processed in the processing of the resistor, wherein the resistance wire needs to be wound through the processing cam, but when the rotating speed of the processing cam is increased, the pressure between the resistor and the cam surface is increased, so that the abrasion of the resistor is caused, the subsequent processing is affected, and the dust on the cam surface can deviate the conductivity of the resistance wire, so that the resistance value of the resistor is inaccurate.

In order to solve the problems, the inventor provides a processing cam for preventing abrasion of a resistance wire, wherein a rotating shaft is driven to rotate through rotation of the cam, a spring rod is driven to move through a telescopic rod, so that a sliding block drives a connecting rod to move, a spring ring at the bottom of the cam is driven to move through matching of a pressure plate and an air cylinder, so that the contact area between the resistance wire and the cam is increased, the pressure between the resistance wire and the cam is reduced, the effect of preventing the abrasion of the resistor is achieved, and the guide rod drives a cleaning wheel to move, so that the effect of cleaning dust on the surface of the cam is achieved.

Disclosure of Invention

In order to achieve the purpose, the invention is realized by the following technical scheme: a processing cam capable of preventing resistance wires from being worn comprises a shell, wherein a rotating shaft is rotatably connected inside the shell, a baffle is movably connected to the bottom of the shell, a spring ring is fixedly connected to one end, close to the shell, of the baffle, a rotating disc is fixedly connected to the periphery of the rotating shaft, a telescopic rod is fixedly connected to the periphery of the rotating disc, a U-shaped cover is fixedly connected to one end, far away from the rotating shaft, of the telescopic rod, a spring rod is movably connected to the periphery of the U-shaped cover, a sliding rod is fixedly connected to one end, far away from the U-shaped cover, of the spring rod, a sliding rod is slidably connected inside the sliding rod, a connecting rod is fixedly connected to the bottom of the sliding rod, a toothed plate is fixedly connected to the bottom of the connecting rod, a first gear is meshed to the bottom of the toothed plate, a second gear is meshed to the periphery of the first gear, and a transmission rod is fixedly connected to the inside of the second gear, the device comprises a transmission rod, a second gear, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a fifth gear, a sixth gear, a.

Preferably, the pivot is located the position of the inside positive center of casing, telescopic link evenly distributed is in the periphery of carousel, and the rotation through the pivot drives the carousel and rotates to make the telescopic link remove under the effect of centrifugal force.

Preferably, the U-shaped covers and the telescopic rods are the same in number, the U-shaped covers and the spring rods are located in the same plane, and the U-shaped covers are driven to move through the movement of the telescopic rods, so that the sliding blocks move.

Preferably, one end, far away from the sliding block, of the sliding rod is fixedly connected inside the shell, the connecting rods are symmetrically distributed on two sides of the rotating shaft and slide on the sliding rod inside the shell through the sliding block, and therefore the connecting rods at the bottoms of the sliding rods are driven to move.

Preferably, the transmission rod is connected with the air pressure plate through a movable rod, the air cylinder is fixedly installed in the shell, and the air pressure plate is driven to move in the air cylinder through the movement of the transmission rod.

Preferably, the moving block is fixedly connected to a spring post in the shell, the U-shaped rod is not in contact with the guide rod, and the U-shaped rod is moved through the change of air pressure in the air cylinder.

Preferably, one end of the positioning wheel, which is far away from the guide rod, is fixedly connected to the baffle, and the cleaning wheels are uniformly distributed on the periphery of the shell and are matched with the positioning wheel through the guide rod, so that the baffle is driven to move.

The invention provides a processing cam for preventing abrasion of a resistance wire. The method has the following beneficial effects:

1. the processing cam for preventing the resistance wire from being abraded drives the rotating shaft inside the processing cam to rotate through the rotation of the shell, drives the rotary disc on the periphery of the processing cam to rotate through the rotation of the rotating shaft, drives the telescopic rod on the periphery of the processing cam to rotate through the rotation of the rotary disc, enables the telescopic rod to move under the action of centrifugal force, drives the U-shaped cover to move through the movement of the telescopic rod, drives the spring rod to move through the matching of the telescopic rod and the U-shaped cover, enables the sliding block to slide on the sliding rod inside the shell, drives the connecting rod at the bottom of the sliding block to move through the sliding of the sliding block, drives the first gear at the bottom of the connecting rod to rotate through the matching of the connecting rod and the toothed plate, drives the second gear to rotate through the rotation of the first gear, drives the air pressure plate to move through the matching of the second gear and the transmission rod, and accordingly changes the air pressure inside the air cylinder, the air spring is extended through the change of the air pressure inside the air cylinder, so that the U-shaped rod drives the moving block to move on the fixed rod inside the shell, the moving through the moving block drives the guide rod to move, the moving through the guide rod drives the positioning wheel to move, the baffle is driven to move upwards through the matching of the baffle and the spring ring, the contact area of the resistance wire and the cam is increased, the pressure between the resistance wire and the cam is reduced, and the effect of preventing the resistance wire from being abraded is achieved.

2. This prevent processing cam of resistance wire wearing and tearing, the removal through the movable block drives its outlying guide arm and removes, and the drive catch bar through the removal of guide arm removes, uses through the cooperation of catch bar and cleaning wheel, makes cleaning wheel remove on the surface of casing, and the dust on cleaning casing surface has reached the effect that prevents resistance wire and dust contact.

Drawings

FIG. 1 is a cross-sectional view of a front structure of the present invention;

FIG. 2 is a cross-sectional view of the internal structure of the housing of the present invention;

FIG. 3 is a cross-sectional view of the internal structure of the turntable of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2;

FIG. 5 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

fig. 6 is an enlarged view of the structure of fig. 2 at C according to the present invention.

In the figure: 1. a housing; 2. a rotating shaft; 3. a baffle plate; 4. a spring ring; 5. a turntable; 6. a telescopic rod; 7. a U-shaped cover; 8. a spring lever; 9. a slider; 10. a slide bar; 11. a connecting rod; 12. a toothed plate; 13. a first gear; 14. a second gear; 15. a transmission rod; 16. a gas pressure plate; 17. a cylinder; 18. an air spring; 19. a U-shaped rod; 20. a moving block; 21. a guide bar; 22. positioning wheels; 23. a push rod; 24. and cleaning the wheels.

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.

The embodiment of the processing cam for preventing the resistance wire from being worn is as follows:

referring to fig. 1-6, a processing cam for preventing resistance wire abrasion comprises a housing 1, a rotating shaft 2 is rotatably connected inside the housing 1, a baffle 3 is movably connected at the bottom of the housing 1, a spring ring 4 is fixedly connected at one end of the baffle 3 close to the housing 1, a turntable 5 is fixedly connected at the periphery of the rotating shaft 2, a telescopic rod 6 is fixedly connected at the periphery of the turntable 5, the rotating shaft 2 is located at the center of the inside of the housing 1, the telescopic rods 6 are uniformly distributed at the periphery of the turntable 5, a U-shaped cover 7 is fixedly connected at one end of the telescopic rod 6 far from the turntable 5, a spring rod 8 is movably connected at the periphery of the U-shaped cover 7, the number of the U-shaped covers 7 is the same as that of the telescopic rods 6, the U-shaped covers 7 and the spring rods 8 are in the same plane, a sliding block 9 is fixedly connected at one end of the spring rod 8 far from the U-shaped cover 7, a sliding rod 10 is slidably connected inside of the sliding block 9, the rotating shaft 2 is driven to rotate by the rotation of the housing 1 itself, the peripheral rotary table 5 is driven to rotate by the rotation of the rotary shaft 2, the peripheral telescopic rod 6 is driven to rotate by the rotation of the rotary table 5, the telescopic rod 6 moves under the action of centrifugal force, the U-shaped cover 7 is driven to move by the movement of the telescopic rod 6, the spring rod 8 is driven to move by the matching of the telescopic rod 6 and the U-shaped cover 7, the sliding block 9 slides on the sliding rod 10 in the shell 1, the connecting rod 11 at the bottom of the sliding block 9 is driven to move by the sliding of the sliding block 9, the first gear 13 at the bottom of the sliding block is driven to rotate by the matching of the connecting rod 11 and the toothed plate 12, the second gear 14 is driven to rotate by the rotation of the first gear 13, the air pressure plate 16 is driven to move by the matching of the second gear 14 and the transmission rod 15, the air pressure in the air cylinder 17 is changed, and the air spring 18 is extended by the change of the air pressure in the air cylinder 17, therefore, the U-shaped rod 19 drives the moving block 20 to move on the fixed rod in the shell 1, the moving block 20 drives the guide rod 21 to move, the positioning wheel 22 is driven to move through the movement of the guide rod 21, the baffle 3 is driven to move upwards through the matching of the baffle 3 and the spring ring 4, the contact area of the resistance wire and the cam is increased, the pressure between the resistance wire and the cam is reduced, and the effect of preventing the resistance wire from being abraded is achieved.

The bottom of the sliding block 9 is fixedly connected with an engaging rod 11, one end of the sliding rod 10 far away from the sliding block 9 is fixedly connected inside the shell 1, the engaging rod 11 is symmetrically distributed on two sides of the non-rotating shaft 2, the bottom of the engaging rod 11 is fixedly connected with a toothed plate 12, the bottom of the toothed plate 12 is engaged with a first gear 13, the periphery of the first gear 13 is engaged with a second gear 14, the inside of the second gear 14 is fixedly connected with a transmission rod 15, one end of the transmission rod 15 far away from the second gear 14 is fixedly connected with an air pressure plate 16, the periphery of the air pressure plate 16 is movably connected with an air cylinder 17, the transmission rod 15 is connected with the air pressure plate 16 through a movable rod, the air cylinder 17 is fixedly installed inside the shell 1, the bottom of the air cylinder 17 is fixedly connected with an air spring 18, the bottom of the air spring 18 is fixedly connected with a U-shaped rod 19, one end of the U-shaped rod 19 far away from the air spring 18 is fixedly connected with a moving block 20, the periphery of the moving block 20 is movably connected with a guide rod 21, the moving block 20 is fixedly connected to a spring post inside the shell 1, the U-shaped rod 19 is not in contact with the guide rod 21, one end, far away from the moving block 20, of the guide rod 21 is fixedly connected with a positioning wheel 22, the periphery of the guide rod 21 is movably connected with a push rod 23, the periphery of the push rod 23 is fixedly connected with a cleaning wheel 24, one end, far away from the guide rod 21, of the positioning wheel 22 is fixedly connected to the baffle 3, the cleaning wheel 24 is uniformly distributed on the periphery of the shell 1, the peripheral guide rod 21 is driven to move through the movement of the moving block 20, the push rod 23 is driven to move through the movement of the guide rod 21, the cleaning wheel 24 is used through the matching of the push rod 23 and the cleaning wheel 24, the cleaning wheel 24 is moved on the surface of the shell 1, the dust on the surface of the shell 1 is cleaned, and the effect of preventing the contact between the resistance wire and the dust is achieved.

When the device is used, the rotating shaft 2 inside the device is driven to rotate by the rotation of the shell 1, the rotating disc 5 on the periphery of the rotating shaft 2 is driven to rotate by the rotation of the rotating disc 2, the telescopic rod 6 on the periphery of the rotating disc 5 is driven to rotate by the rotation of the rotating disc 5, the telescopic rod 6 moves under the action of centrifugal force, the U-shaped cover 7 is driven to move by the movement of the telescopic rod 6, the spring rod 8 is driven to move by the matching of the telescopic rod 6 and the U-shaped cover 7, so that the sliding block 9 slides on the sliding rod 10 inside the shell 1, the connecting rod 11 at the bottom of the sliding block 9 is driven to move by the sliding of the sliding block 9, the first gear 13 at the bottom of the connecting rod is driven to rotate by the matching of the connecting rod 11 and the toothed plate 12, the second gear 14 is driven to rotate by the rotation of the first gear 13, and the pneumatic plate 16 is driven to move by the matching of the second gear 14 and the transmission rod 15, thereby changing the air pressure inside the air cylinder 17, extending the air spring 18 through the change of the air pressure inside the air cylinder 17, so that the U-shaped rod 19 drives the moving block 20 to move on the fixed rod inside the shell 1, the guide rod 21 is driven to move through the movement of the moving block 20, the positioning wheel 22 is driven to move through the movement of the guide rod 21, the baffle 3 is driven to move upwards through the matching use of the baffle 3 and the spring ring 4, the contact area of the resistance wire and the cam is increased, the pressure between the resistance wire and the cam is reduced, the effect of preventing the resistance wire from being worn is achieved, the guide rod 21 at the periphery of the baffle is driven to move through the movement of the moving block 20, the push rod 23 is driven to move through the movement of the guide rod 21, the cleaning wheel 24 is driven to move on the surface of the shell 1 through the matching use of the push rod 23 and the cleaning wheel 24, and the dust on the surface of the shell 1 is cleaned, the effect of preventing the resistance wire from contacting with dust is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.