CN218050338U - Eccentricity adjusting and positioning device for machining eccentric shaft parts - Google Patents

Abstract

The utility model discloses an eccentric shaft spare part processing is with eccentricity adjusting positioning device, including outer holding ring and interior holding ring, the fixed adjustment seat that is provided with in outer holding ring one side, the inside one end of adjustment seat is rotated and is provided with the rotation thread bush, the inside threaded connection of rotation thread bush has the screw thread ejector pin, the lower extreme is all fixed on the outer holding ring inside wall and is provided with three electric telescopic handle, and is three electric telescopic rod end fixing is provided with spacing cassette, the inside fixed first spacing spout that is provided with of spacing cassette, the equal fixed activity cassette that is provided with in interior holding ring both sides, two the inside spacing spout of second, one of all having seted up of activity cassette the inside slip of the spacing spout of second is provided with the location slide bar. The utility model discloses an eccentric shaft spare part processing is with eccentricity adjustment positioner, the device structural design is reasonable, easy operation, and it is convenient to use to low cost easily promotes.

Description

An eccentric distance adjustment and positioning device for machining eccentric shaft parts

technical field

The utility model relates to the technical field of eccentric shaft processing, in particular to an eccentric distance adjustment and positioning device for processing eccentric shaft parts.

Background technique

The workpiece whose outer circle is parallel to the axis of the outer circle and does not overlap is called an eccentric shaft. The eccentric shaft is generally fixed on the motor rotating shaft through the eccentric hole. When the motor is started, it performs cam motion, so it is widely used in automobiles, engines, pump etc.

At present, the center of the chuck of ordinary turning equipment falls on the axis of rotation. When processing some eccentric parts, there is an eccentricity between the eccentric position and the position of the chuck. Realization, some processing adds gaskets to one side of the shaft, so that eccentricity occurs when the jaws are clamped, but this method is difficult to control the eccentricity distance, and the gaskets will loosen and fall off during the process of machining vibration, making the eccentricity There is a deviation from the positioning, and the positioning is not accurate, which affects the processing accuracy.

Existing patent (publication number is: CN207358176U) discloses a kind of eccentric shaft part processing eccentricity adjustment positioning device, comprises inner snap ring, and the upper surface of said inner snap ring is provided with scale mark line, and three clamping rods are inclined respectively. placed on the inner snap ring, and one end is respectively placed in the inner snap ring, the arc-shaped splint is placed on one end of the clamping rod, a sliding groove is opened on the outer snap ring, one end of the sliding rod is placed in the sliding groove, and the other One end is placed on the inner snap ring, two guide sleeves are respectively placed on the inner snap ring, and are respectively located on both sides of the sliding rod, one end of the guide rod is placed on the inner wall of the outer snap ring, and the other end is placed in the guide sleeve, the main screw One end is placed on the inner snap ring through the outer snap ring and fixed by the main adjusting nut. One end of the auxiliary screw is placed on the inner snap ring through the outer snap ring and fixed by the auxiliary adjusting nut. The main screw and the auxiliary screw are in the On a horizontal line, one end of the scale plate is placed on the upper surface of the outer snap ring, and the other end extends horizontally to the top of the inner snap ring. The eccentric distance adjustment and positioning device for processing eccentric shaft parts has a simple structure, is convenient and practical, has low cost, is easy to popularize, and can effectively improve the positioning accuracy of the eccentric distance adjustment. However, the device is inconvenient to adjust and use, and the adjustment nut needs to be manually tightened to adjust the position, and each adjustment is cumbersome, and the adjustment accuracy is also relatively poor.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose an eccentric distance adjustment and positioning device for processing eccentric shaft parts.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an eccentric distance adjustment and positioning device for processing eccentric shaft parts, including an outer positioning ring and an inner positioning ring, and an adjustment seat is fixedly arranged on one side of the outer positioning ring. One end of the adjustment seat is rotatably provided with a rotating threaded sleeve, and the internal thread of the rotating threaded sleeve is connected with a threaded ejector rod. The upper and lower ends of the inner wall of the outer positioning ring are fixedly provided with three electric telescopic rods, and the three electric telescopic rods The end of the rod is fixedly provided with a limit card seat, and the inside of the limit card seat is fixedly provided with a first limit chute;

Both sides of the inner positioning ring are fixedly provided with movable decks, and the insides of the two movable decks are provided with second limiting chutes, and a positioning slide bar is slidingly provided inside the second limiting chute. The positioning slide bar passes through the inside of the outer positioning ring and protrudes, and the inner positioning ring is threaded with three threaded rods, and one end of the three threaded rods extending into the inner positioning ring is rotatably connected with an arc clamping plate.

As a further description of the above technical solution:

The three threaded rods threaded on the inner positioning ring are distributed in a circular array, and the ends of the three threaded rods away from the arc-shaped clamping plate are all fixedly connected with adjustment discs.

As a further description of the above technical solution:

The end of the rotating threaded sleeve is fixedly provided with a rotating hand wheel.

As a further description of the above technical solution:

The upper and lower ends of the inner positioning ring are fixedly provided with connecting rods, and the ends of the two connecting rods are fixedly provided with first limit sliders, and the two first limit sliders are respectively positioned between the two first limit sliders. The limit chute slides inside.

As a further description of the above technical solution:

Both ends of the two first limit sliders are fixedly provided with elastic damping heads.

As a further description of the above technical solution:

The end of the threaded ejector rod is fixedly provided with a second limiting slider, and the second limiting slider slides in a limited position inside the second limiting chute inside the movable clamp away from the positioning slide bar.

As a further description of the above technical solution:

The outer positioning ring is fixedly provided with a through groove on a side close to the positioning sliding rod, and the positioning sliding rod passes through the through groove and penetrates through the outer positioning ring.

As a further description of the above technical solution:

The end of the positioning sliding rod is fixedly provided with a second limiting slider, and the second limiting slider slides in a limited position inside the second limiting chute inside the movable clamp away from the threaded push rod.

The utility model has the following beneficial effects:

1. The utility model proposes an eccentricity adjustment and positioning device for eccentric shaft parts processing. By setting a threaded ejector rod and a rotating threaded sleeve inside the adjustment seat, the threaded sleeve is rotated by turning the hand wheel, so that the inner threaded top The rod drives the inner positioning ring to move, which is convenient to adjust the eccentricity, and the adjustment operation is relatively simple, which greatly improves the working efficiency and is more portable.

2. The utility model proposes an eccentric distance adjustment and positioning device for processing eccentric shaft parts, which can be adjusted by setting an adjustable limit card seat on the outer positioning ring, and through the connecting rod and the limit slider set on the inner positioning ring. Positioning, and the upper and lower positions of the inner positioning ring can be adjusted through the electric telescopic rod, so that it is more convenient to locate parts that are not eccentric on the circumference, and can be suitable for positioning of different eccentric shaft parts, with wider applicability.

3. The utility model proposes an eccentric distance adjustment and positioning device for processing eccentric shaft parts. The device has reasonable structural design, simple operation, convenient use, low cost and easy promotion.

Description of drawings

Fig. 1 is the axonometric drawing of a kind of eccentric distance adjustment and positioning device for eccentric shaft parts processing proposed by the utility model;

Fig. 2 is a top view of an eccentric distance adjustment and positioning device for processing eccentric shaft parts proposed by the utility model;

Fig. 3 is a top sectional view of an eccentric distance adjustment and positioning device for processing eccentric shaft parts proposed by the utility model;

Fig. 4 is the enlarged view of place A in Fig. 3;

Fig. 5 is a schematic diagram of the internal structure of the limit card seat of the eccentric distance adjustment and positioning device for machining eccentric shaft parts proposed by the utility model.

illustration:

1. Outer positioning ring; 2. Inner positioning ring; 3. Adjusting seat; 4. Threaded ejector rod; 5. Rotating threaded sleeve; 6. Rotating handwheel; 7. Electric telescopic rod; 8. Limit card seat; 9. The first limit chute; 10. Movable deck; 11. Threaded rod; 12. Adjusting disc; 13. Arc clamping plate; 14. Positioning slide bar; 15. Connecting rod; 16. The first limit slider ; 17, the elastic damping head; 18, the second limit chute; 19, the second limit slider.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific Therefore, it cannot be construed as a limitation on the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be interpreted as indicating or implying relative importance. In addition, Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, or an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Referring to Fig. 1-5, an embodiment provided by the utility model: an eccentric distance adjustment and positioning device for processing eccentric shaft parts, including an outer positioning ring 1 and an inner positioning ring 2, and one side of the outer positioning ring 1 is fixedly provided with Adjustment seat 3, one end of the adjustment seat 3 is rotated with a rotating threaded sleeve 5, and the internal thread of the rotating threaded sleeve 5 is connected with a threaded ejector rod 4. By turning the hand wheel 6 to rotate the threaded sleeve 5, the inner threaded ejector rod 4 drives the inner The positioning ring 2 moves to facilitate the adjustment of the eccentricity. The upper and lower ends of the inner side wall of the outer positioning ring 1 are fixedly provided with three electric telescopic rods 7, and the ends of the three electric telescopic rods 7 are fixedly provided with a limit card seat 8 and a limit card seat 8 The first limit chute 9 is fixed inside, and the positioning is carried out by the connecting rod 15 and the first limit slider 16 provided on the inner positioning ring 2, and the upper and lower positions of the inner positioning ring 2 can be adjusted by the electric telescopic rod 7. Adjustment, so that it is more convenient to locate parts that are not eccentric on the axis;

Both sides of the inner positioning ring 2 are fixedly provided with movable decks 10, and the insides of the two movable decks 10 are provided with a second limiting chute 18, and a second limiting chute 18 is internally slidably provided with a positioning slide bar 14, The positioning slide bar 14 passes through the inside of the outer positioning ring 1 and stretches out. The inner positioning ring 2 is threaded with three threaded rods 11, and one end of the three threaded rods 11 extending into the inner positioning ring 2 is rotatably connected with an arc clamp. plate 13.

The three threaded rods 11 threaded on the inner positioning ring 2 are distributed in a circular array, and the ends of the three threaded rods 11 away from the arc-shaped clamping plate 13 are fixedly connected with an adjustment disc 12, and the end of the rotating threaded sleeve 5 is fixedly provided with a rotary ring. The hand wheel 6, the upper and lower ends of the inner positioning ring 2 are fixedly provided with connecting rods 15, and the ends of the two connecting rods 15 are fixedly provided with first limit sliders 16, and the two first limit sliders 16 are respectively positioned on the two sides. The first limit chute 9 slides inside, the two first limit sliders 16 both ends are fixedly provided with elastic damping heads 17, the end of the threaded ejector rod 4 is fixedly provided with a second limit slider 19, the Two limit sliders 19 limit and slide in the second limit chute 18 inside the movable card seat 10 away from the positioning slide bar 14, and the outer positioning ring 1 is fixedly provided with a through groove near the side of the positioning slide bar 14, The positioning slide bar 14 passes through the through groove and runs through the outer positioning ring 1. The end of the positioning slide bar 14 is fixedly provided with a second limit slider 19. The inner second limiting chute 18 is internally limiting and sliding.

Working principle: When the eccentricity adjustment and positioning device for eccentric shaft parts processing is used, when the eccentric shaft parts need to be processed, the blank is first prepared, and then one end of the blank is placed inside the inner positioning ring 2, and Turn the three threaded rods 11 so that the three arc-shaped clamping plates 13 clamp and fix the blank, thereby fixing the blank inside the inner positioning ring 2. The user first takes the scale for measurement, and then passes the scale The ruler is stuck on one side of the outer positioning ring 1, and then the hand wheel 6 is rotated to drive the rotating threaded sleeve 5 to rotate, so that the internal threaded ejector rod 4 is moved, the inner positioning ring 2 is moved, and the positioning slide bar 14 is moved. The internal limit sliding of the through groove on the outer positioning ring 1 makes the first limit slider 16 limit sliding inside the first limit chute 9, so that the horizontal eccentricity of the blank can be adjusted through the precise movement of the inner positioning ring 2 , and then start the electric telescopic rod 7 to make the limit card seat 8 move up and down, thereby driving the inner positioning ring 2 to move up and down, thereby adjusting the vertical eccentricity of the blank through the precise movement of the inner positioning ring 2, and adjusting the eccentricity The blank can be processed in the future. The eccentric distance adjustment and positioning device is used for the processing of the eccentric shaft parts, which is convenient to adjust the eccentric distance, and the adjustment operation is relatively simple, which greatly improves the work efficiency. The structure design is reasonable, the operation is simple, and the use is convenient. Low cost and easy to promote.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (8)

1. An eccentric distance adjustment and positioning device for processing eccentric shaft parts, comprising an outer positioning ring (1) and an inner positioning ring (2), characterized in that: one side of the outer positioning ring (1) is fixedly provided with an adjustment seat (3), one end of the adjustment seat (3) is rotated to be provided with a rotating threaded sleeve (5), and the internal thread of the rotating threaded sleeve (5) is connected with a threaded ejector rod (4), and the outer positioning ring (1) Three electric telescopic rods (7) are fixedly arranged on the upper and lower ends of the inner wall, and the ends of the three electric telescopic rods (7) are fixedly provided with limit card holders (8), and the inside of the limit card holders (8) are fixedly arranged There is a first limit chute (9); Both sides of the inner positioning ring (2) are fixedly provided with movable decks (10), and the insides of the two movable decks (10) are provided with a second limiting chute (18). The inside of the limit chute (18) is slidably provided with a positioning slide bar (14), and the positioning slide bar (14) passes through the inside of the outer positioning ring (1) and protrudes, and the inner positioning ring (2) is threadedly connected There are three threaded rods (11), and one end of the three threaded rods (11) extending into the inner positioning ring (2) is rotatably connected with an arc-shaped clamping plate (13). 2. The eccentricity adjustment and positioning device for eccentric shaft parts processing according to claim 1, characterized in that: the three threaded rods (11) threaded on the inner positioning ring (2) are distributed in a circular array One end of the three threaded rods (11) away from the arc-shaped clamping plate (13) is fixedly connected with an adjustment disc (12). 3. The eccentricity adjusting and positioning device for processing eccentric shaft parts according to claim 1, characterized in that: the end of the rotating threaded sleeve (5) is fixedly provided with a rotating hand wheel (6). 4. The eccentric distance adjusting and positioning device for processing eccentric shaft parts according to claim 1, characterized in that: the upper and lower ends of the inner positioning ring (2) are fixedly provided with connecting rods (15), two The ends of the connecting rods (15) are fixedly provided with first limit sliders (16), and the two first limit sliders (16) are respectively inside the two first limit chutes (9). slide. 5. The eccentric distance adjusting and positioning device for processing eccentric shaft parts according to claim 4, characterized in that: both ends of the two first limit sliders (16) are fixedly provided with elastic damping heads (17). 6. The eccentric distance adjusting and positioning device for processing eccentric shaft parts according to claim 1, characterized in that: the end of the threaded ejector rod (4) is fixedly provided with a second limit slider (19), The second limit slider (19) limits and slides inside the second limit chute (18) inside the movable card seat (10) away from the positioning slide bar (14). 7. The eccentricity adjustment and positioning device for eccentric shaft parts processing according to claim 1, characterized in that: the outer positioning ring (1) is fixed with a through hole on the side close to the positioning slide bar (14). slot, the positioning slide bar (14) passes through the slot and runs through the outer positioning ring (1). 8. The eccentric distance adjusting and positioning device for processing eccentric shaft parts according to claim 1, characterized in that: the end of the positioning slide bar (14) is fixedly provided with a second limit slider (19), The second limit slider (19) limits and slides inside the second limit chute (18) inside the movable seat (10) away from the threaded push rod (4).

Images