阅读说明：本技术 转动转直线运动的自动复位装置 (Automatic resetting device for rotation-to-linear motion ) 是由 王洪浩 王子军 武娜 于 2021-08-19 设计创作，主要内容包括：本发明属于特殊弹簧制造及轻力拉伸制造的技术领域,具体涉及一种转动转直线运动的自动复位装置,其包括基体、垫圈、螺钉、弹簧、V型滑块、第一盖板、连接螺钉、第一连接销、圆柱销、驱动轴、曲柄、轴销、第二连接销、顶钉、第二盖板和导板。其中,基体的上、下两端面均开设有圆槽,用于放置弹簧。本发明提供的转动转直线运动的自动复位机构已初步应用于各型号小直径扭簧的生产中,由于制造成本低,使用方便灵活,解决了飞机小直径扭簧拉直制造难题,此机构可同时用于其他需转动转直线运动转换场合。(The invention belongs to the technical field of special spring manufacturing and light force stretching manufacturing, and particularly relates to an automatic resetting device for rotation-to-linear motion. Wherein, the upper and lower both ends face of base member has all seted up the circular slot for place the spring. The automatic reset mechanism for converting rotation into linear motion provided by the invention is primarily applied to the production of small-diameter torsion springs of various types, and the mechanism can be simultaneously used in other occasions needing conversion from rotation into linear motion, because the manufacturing cost is low and the use is convenient and flexible, the problem of straightening the small-diameter torsion spring of the airplane is solved.)

1. The automatic resetting device for rotating to move linearly is characterized by comprising a base body (1), a gasket (2), a screw (3), a spring (4), a V-shaped sliding block (5), a first cover plate (6), a connecting screw (7), a first connecting pin (8), a cylindrical pin (9), a driving shaft (10), a crank (11), a shaft pin (12), a second connecting pin (13), a top nail (14), a second cover plate (15) and a guide plate (16);

circular grooves are formed in the upper end face and the lower end face of the base body (1) and used for placing the springs (4); the gasket (2) is fixed on the base body (1) through the screw (3), the gasket (2) is positioned at the openings of the circular grooves on the upper end surface and the lower end surface of the base body (1), one end surface of the spring (4) is blocked by the end surface of the gasket (2), and the other end surface of the spring (4) is attached to the cylindrical pin (9);

the driving shaft (10) is in an oblong shape, a center hole is formed in the center of the driving shaft (10), and the driving shaft (10) is fixedly connected with one end of the crank (11) through a second connecting pin (13) to form a driving assembly; one end of a shaft pin (12) is in threaded connection with the base body (1), a step is arranged at the end part of the shaft pin (12) in threaded connection with the base body (1), the step is pressed on the base body (1), a precision shaft is arranged at the other end of the shaft pin (12), the precision shaft of the shaft pin (12) is in clearance fit with a central hole of the driving shaft (10) and forms a revolute pair, so that the driving shaft (10) and the crank (11) rotate around the center of the shaft pin (11); a gap is arranged between the base body (1) and the driving shaft (10);

the upper part and the lower part of the surface of the base body (1) close to the driving shaft (10) are respectively provided with a guide plate (16), so that the upper part and the lower part of the surface of the base body (1) close to the driving shaft (10) form V-shaped grooves, and the V-shaped grooves on the upper part and the lower part are respectively in sliding fit with a V-shaped sliding block (5);

the surface of the base body (1) far away from the driving shaft (10) is provided with a top nail (14), and the position of the top nail (14) on the base body (1) corresponds to the position of the guide plate (16) on the base body (1) so as to tightly push the guide plate (16);

the two V-shaped sliding blocks (5) are respectively connected with a first cover plate (6) and a second cover plate (15) through connecting screws (7) and first connecting pins (8), the first cover plate (6) and the second cover plate (15) are both provided with cylindrical pins (9), one ends of the cylindrical pins (9) are connected with the first cover plate (6) or the second cover plate (15), and the other ends of the cylindrical pins extend into circular grooves of the base body (1) and are attached to the springs (4); the first cover plate (6) and the second cover plate (15) are positioned at the upper side and the lower side of the driving shaft (10).

Technical Field

The invention belongs to the technical field of special spring manufacturing and light force stretching manufacturing, and particularly relates to an automatic resetting device for rotation-to-linear motion.

Background

In the field of aeronautical manufacturing, special torsion springs different from standard torsion springs are generally used, the section diameter of the torsion springs is different from phi 0.4mm to phi 3mm, and the torsion springs have the characteristics of small batch, multiple types and special structures. During the manufacturing process, the rolled spring portion needs to be straightened.

At present, automatic or semi-automatic mass production is realized in standard torsion spring manufacturing, but compared with non-standard, multi-class and small-batch torsion springs applied to a large number of aviation fields, the problems that straightening manufacturing cost is high, replacement is troublesome and the like exist, and more automatic reset functional devices are needed when rotation is converted into linear motion in some manufacturing fields.

Disclosure of Invention

The invention aims to provide an automatic resetting device for rotating to move linearly, which solves the problems in the prior art.

The technical scheme of the invention is as follows:

an automatic resetting device for rotation-to-linear motion comprises a base body 1, a washer 2, a screw 3, a spring 4, a V-shaped sliding block 5, a first cover plate 6, a connecting screw 7, a first connecting pin 8, a cylindrical pin 9, a driving shaft 10, a crank 11, a shaft pin 12, a second connecting pin 13, a top nail 14, a second cover plate 15 and a guide plate 16.

Circular grooves are formed in the upper end face and the lower end face of the base body 1 and used for placing the springs 4; the gasket 2 is fixed on the base body 1 through the screw 3, the gasket 2 is positioned at the circular groove openings on the upper end surface and the lower end surface of the base body 1, one end surface of the spring 4 is blocked by the end surface of the gasket 2, and the other end surface of the spring 4 is attached to the cylindrical pin 9;

the driving shaft 10 is in an oblong shape, a central hole is formed in the center of the driving shaft 10, and the driving shaft 10 is fixedly connected with one end of the crank 11 through a second connecting pin 13 to form a driving assembly; one end of a shaft pin 12 is connected to the base body 1 in a threaded mode, a step is arranged at the end part of the shaft pin 12 in threaded connection with the base body 1, the step is tightly pressed on the base body 1, a precision shaft is arranged at the other end of the shaft pin 12, the precision shaft of the shaft pin 12 is in clearance fit with a central hole of the driving shaft 10, and a rotating pair is formed, so that the driving shaft 10 and the crank 11 rotate around the center of the shaft pin 11; a gap is formed between the base body 1 and the driving shaft 10;

the upper part and the lower part of the surface of the base body 1 close to the driving shaft 10 are respectively provided with a guide plate 16, so that the upper part and the lower part of the surface of the base body 1 close to the driving shaft 10 are respectively provided with a V-shaped groove, and the V-shaped grooves on the upper part and the lower part are respectively in sliding fit with a V-shaped sliding block 5;

the surface of the base body 1 far away from the driving shaft 10 is provided with a top nail 14, and the position of the top nail 14 on the base body 1 corresponds to the position of the guide plate 16 on the base body 1 so as to tightly push the guide plate 16.

Two V type sliders 5 pass through connecting screw 7, first connecting pin 8 with first apron 6, second apron 15 respectively and are connected, and first apron 6, second apron 15 all are provided with cylindric lock 9, and the one end of cylindric lock 9 is connected with first apron 6 or second apron 15, and the other end extends to in the circular slot of base member 1, with the laminating of spring 4.

The first cover plate 6 and the second cover plate 15 are positioned on the upper and lower sides of the driving shaft 10.

The invention has the advantages that:

1. the automatic reset mechanism for the rotation-to-linear motion is preliminarily applied to the production of small-diameter torsion springs of various models, and the mechanism is low in manufacturing cost, convenient and flexible to use, solves the problem of straightening and manufacturing the small-diameter torsion springs of airplanes, and can be simultaneously used in other occasions needing the rotation-to-linear motion conversion.

2. The automatic resetting device for rotating to linear motion provided by the invention is simple and reliable to prepare, low in manufacturing cost, free of precise manufacturing means and easy to popularize and apply.

Drawings

Fig. 1 is a schematic structural diagram of an automatic resetting device for rotational-to-linear movement provided in an embodiment of the present invention.

Fig. 2 is a sectional view taken along a-a in fig. 1.

Fig. 3 is a sectional view taken along B-B in fig. 1.

Fig. 4 is a cross-sectional view taken along C-C in fig. 1.

In the figure: 1, a substrate; 2, a gasket; 3, a screw; 4, a spring; a 5V-shaped sliding block; 6 a first cover plate; 7 connecting screws; 8 connecting pins; 9 cylindrical pins; 10 driving a shaft; 11 a crank; 12 shaft pins; 13 a connecting pin; 14, jacking nails; 15 a second cover plate; 16 guide plates.

Detailed Description

The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.

It is to be understood that the appended drawings are not to scale, but are merely drawn with appropriate simplifications to illustrate various features of the basic principles of the invention. Specific design features of the invention disclosed herein, including, for example, specific dimensions, orientations, locations, and configurations, will be determined in part by the particular intended application and use environment.

In the several figures of the drawings, identical or equivalent components (elements) are referenced with the same reference numerals.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In this specification, the upper side of fig. 1 is defined as the upper part of the automatic returning device which rotates to move linearly, and the lower side of fig. 1 is defined as the lower part of the automatic returning device which rotates to move linearly.

Referring to fig. 1 to 4, in the present embodiment, the automatic returning device for rotational-to-linear motion includes a base 1, a washer 2, a screw 3, a spring 4, a V-shaped slider 5, a first cover plate 6, a coupling screw 7, a first coupling pin 8, a cylindrical pin 9, a driving shaft 10, a crank 11, a shaft pin 12, a second coupling pin 13, a top pin 14, a second cover plate 15, and a guide plate 16.

The upper end face and the lower end face of the base body 1 are respectively provided with a circular groove for placing the spring 4, the gasket 2 is fixed on the base body 1 through the screw 3, the gasket 2 is positioned at the openings of the circular grooves on the upper end face and the lower end face of the base body 1, one end face of the spring 4 is blocked by the end face of the gasket 2, the other end face of the spring 4 is attached to the cylindrical pin 9, as shown in fig. 1, the spring 4 is in a pre-compression state, and at the moment, the driving shaft 10 is ensured to be in a state shown in fig. 1 through elasticity.

The driving shaft 10 is in an oblong shape, a central hole is formed in the center of the driving shaft 10, and the driving shaft 10 is fixedly connected with one end of the crank 11 through a second connecting pin 13 to form a driving assembly; one end of a shaft pin 12 is connected to the base body 1 in a threaded mode, a step is arranged at the end portion, connected with the base body 1 in a threaded mode, of the shaft pin 12, the step is pressed on the base body 1, a precision shaft is arranged at the other end of the shaft pin 12, after the step presses the base body 1, the precision shaft portion of the shaft pin 12 is in clearance fit with the center hole of the driving shaft 10, a rotating pair is formed, the driving shaft 10 and the crank 11 can rotate together around the center of the shaft pin 11, and a gap is formed between the base body 1 and the driving shaft 10.

The upper part and the lower part of the surface of the base body 1 close to the driving shaft 10 are both provided with a guide plate 16, so that the upper part and the lower part of the surface of the base body 1 close to the driving shaft 10 are both provided with a V-shaped groove, the V-shaped grooves on the upper part and the lower part are respectively in sliding fit with a V-shaped sliding block 5, and the V-shaped grooves are used as a sliding guide structure of the V-shaped sliding block 5.

The surface of the base body 1 far away from the driving shaft 10 is provided with a top nail 14, the position of the top nail 14 on the base body 1 corresponds to the position of the guide plate 16 on the base body 1, so as to tightly push the guide plate 16, and the guide plate 16 and the V-shaped sliding block 5 are tightly pushed on the base body 1 to eliminate fit clearance.

The two V-shaped sliders 5 are respectively connected with a first cover plate 6 and a second cover plate 15 through a connecting screw 7 and a first connecting pin 8 to form a whole, cylindrical pins 9 are respectively arranged on the first cover plate 6 and the second cover plate 15, one end of each cylindrical pin 9 is connected with the first cover plate 6 or the second cover plate 15, the other end of each cylindrical pin 9 extends into a circular groove of the base body 1 and is attached to the spring 4, in some embodiments, the cylindrical pins 9 are arranged at positions which enable the spring 4 to slightly generate elastic force, and the cylindrical pins 9 and the gasket 2 together limit the spring in a space position formed by the circular groove of the base body 1, the gasket 2 and the cylindrical pins 9. The first cover plate 6 and the second cover plate 15 are positioned on the upper and lower sides of the driving shaft 10.

The first cover plate 6 and the second cover plate 15 realize the steps of linear reciprocating motion:

1) the two springs 4 push the first cover plate 6 and the second cover plate 15 against the side end face of the drive shaft 10 by pre-compression force formed by the cylindrical pin 9 and the washer 2.

2) The fixed base body 1 rotates the crank 11 to drive the driving shaft 10 to rotate, the driving shaft 10 pushes the first cover plate 6, the second cover plate 15 and the V-shaped sliding block 5 to move outwards synchronously along the guide plate 16 due to different turning radiuses of all points in the rotating process, and the cover plates are always in contact with the outer edge of the driving shaft 10 under the action of spring force.

3) When the driving shaft 10 rotates to be vertical to the position shown in fig. 1, the stroke of the first cover plate 6 and the second cover plate 15 is maximum, and then the driving shaft 10 is continuously rotated, and the cover plates move inwards in a straight line step by step under the action of the spring force.

The above description of exemplary embodiments has been presented only to illustrate the technical solution of the invention and is not intended to be exhaustive or to limit the invention to the precise form described. Obviously, many modifications and variations are possible in light of the above teaching to those skilled in the art. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to thereby enable others skilled in the art to understand, implement and utilize the invention in various exemplary embodiments and with various alternatives and modifications. It is intended that the scope of the invention be defined by the following claims and their equivalents.