Rotary cross arm locking mechanism

Abstract

The utility model provides a rotary cross arm locking mechanism which comprises a supporting part, a linear driving module, a driving sliding plate, a driven sliding plate and a sliding assembly, the supporting part is fixedly installed at a fixed position, the linear driving module is arranged on the supporting part, the driving sliding plate is installed at the execution end of the linear driving module, and the driven sliding plate is installed on the driving sliding plate. The driving sliding plate is slidably connected to the supporting part through a sliding assembly, the supporting part is provided with a driven sliding plate, the driven sliding plate and the driving sliding plate are oppositely arranged, the linear driving module can drive the driving sliding plate and the driven sliding plate to move relatively, and the driving sliding plate and the driven sliding plate which move relatively can oppositely clamp or support an implemented component. According to the rotating cross arm locking mechanism, the driving sliding plate and the driven sliding plate are driven by the linear driving module to move in relative positions, an implemented part is clamped or supported, products of different specifications can be operated, the working condition is guaranteed to be stable, the labor intensity of workers is reduced, and production safety is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of part clamping, and particularly relates to a rotating cross-arm locking mechanism. Background Art

[0002] In the existing technology of tooling fixtures for agricultural machines, engineering machines and automobiles, there are a large number of frame structure main frames and drive shaft components. When manufacturing the main frame, riveting or welding is required for the connection positions of the main frame. After the connection is completed, the main frame needs to be fixed and then the whole is subjected to anti-corrosion spraying. When maintaining and repairing the main frame, it is necessary to search and maintain the repair points of the main frame. When correcting and maintaining the drive shaft, the drive shaft needs to be fixed for operation. The clamping tooling in the existing technology clamps and positions parts by the operator rotating a screw. Its clamping efficiency is low, and in the case of unstable clamping pressure, there are problems of production safety accidents. Summary of the Invention

[0003] In view of this, the utility model aims to provide a rotating cross-arm locking mechanism to solve the problems in the existing technology that in the clamping process of parts, it is necessary to manually screw the clamping tooling, the clamping efficiency is low, and in the case of unstable clamping pressure, there are production safety accidents.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A rotating cross-arm locking mechanism includes a support part, a linear drive module, a driving slide plate, a driven slide plate and a sliding component. The support part is fixedly installed at a fixed position. A linear drive module is arranged on the support part. The execution end of the linear drive module is installed with the driving slide plate, and the driving slide plate is slidably connected to the support part through the sliding component. And a driven slide plate is arranged on the support part. The driven slide plate is arranged opposite to the driving slide plate. The linear drive module can drive the driving slide plate and the driven slide plate to move relatively. The driving slide plate and the driven slide plate moving relatively can clamp or support the component to be implemented.

[0006] Further, the linear drive module is any one of a hydraulic rod, a push rod cylinder, a linear motor or a lead screw module.

[0007] Further, the linear drive module is a lead screw module. The linear drive module includes a drive motor, a lead screw, a shaft seat and a nut. The drive motor is fixedly installed on the support part. The execution end of the drive motor is fixedly connected to one end of the lead screw. The outer periphery of the lead screw is rotatably sleeved on the support part through the shaft seat. The outer periphery of the lead screw is threadedly connected to the nut. The nut is detachably connected to the driving slide plate.

[0008] Further, the sliding component includes a guide rail and a first slider. The guide rail is fixedly installed on the support portion, the first slider is fixedly installed on the active slide plate, and one end of the first slider is slidably connected to the periphery of the guide rail.

[0009] Further, a link mechanism is provided between the active slide plate and the driven slide plate. The link mechanism includes a main shaft. The periphery of the main shaft is fixedly sleeved on the support portion. One end of the main shaft is rotatably sleeved with a turntable. One end of the turntable is hinged to one end of a first swing arm. The other end of the first swing arm is hinged to the active slide plate. The other end of the turntable is hinged to one end of a second swing arm. The other end of the second swing arm is hinged to the driven slide plate.

[0010] Further, a second slider is fixedly installed on one side of the driven slide plate, and one end of the second slider is slidably connected to the periphery of the guide rail.

[0011] Further, a shock pad is provided on one side of the active slide plate and / or the driven slide plate.

[0012] Further, cutouts are respectively provided at one ends of the active slide plate and the driven slide plate, and the two cutouts are arranged opposite to each other.

[0013] Compared with the prior art, the rotary cross-arm locking mechanism of the present invention has the following beneficial effects:

[0014] (1) For the rotary cross-arm locking mechanism of the present invention, the relative positions of the active slide plate and the driven slide plate are driven by the linear drive module to move, so as to clamp or support the component to be implemented, which can operate on products of different specifications, ensure stable working conditions, reduce the labor intensity of workers, and ensure production safety.

[0015] (2) For the rotary cross-arm locking mechanism of the present invention, the link mechanism is used for the active slide plate to drive the driven slide plate to move synchronously, and the movement directions of the driven slide plate and the active slide plate are opposite, so as to expand the distance for the nut to displace and adjust the distance between the two, improve the adjustment efficiency, and in order to realize the sliding of the driven slide plate and at the same time reduce the use of parts, a second slider is fixedly installed on one side of the driven slide plate, and one end of the second slider is slidably connected to the periphery of the guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the rotary cross-arm locking mechanism according to an embodiment of the present invention;

[0018] Figure 2Schematic structural diagram of the assembly of the active slide plate and the link mechanism according to the embodiment of the present invention;

[0019] Figure 3 Schematic structural diagram of the assembly of the support part and the sliding component according to the embodiment of the present invention.

[0020] Explanation of the reference numerals:

[0021] 1 - Support part; 2 - Linear drive module; 21 - Drive motor; 22 - Lead screw; 23 - Axle seat; 24 - Nut; 3 - Active slide plate; 31 - Shock pad; 32 - Cutout; 4 - Driven slide plate; 5 - Sliding component; 51 - Guide rail; 52 - First slider; 53 - Second slider; 6 - Link mechanism; 61 - Main shaft; 62 - Turntable; 63 - First swing arm; 64 - Second swing arm; 7 - Component to be implemented. Detailed implementation manners

[0022] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0023] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood 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 or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0025] The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] As shown Figures 1 - 3 in the figure, the rotary cross-arm locking mechanism includes a support portion 1, a linear drive module 2, a driving slide plate 3, a driven slide plate 4, and a sliding assembly 5. The support portion 1 is fixedly installed at a fixed position. The linear drive module 2 is arranged on the support portion 1. The execution end of the linear drive module 2 is installed with the driving slide plate 3. And the driving slide plate 3 is slidably connected to the support portion 1 through the sliding assembly 5. And the driven slide plate 4 is arranged on the support portion 1, and the driven slide plate 4 is arranged opposite to the driving slide plate 3. The linear drive module 2 can drive the driving slide plate 3 and the driven slide plate 4 to move relatively. The driving slide plate 3 and the driven slide plate 4 in relative motion can clamp or support the implemented component 7. By driving the driving slide plate 3 and the driven slide plate 4 through the linear drive module 2 to realize the relative position movement, clamping or supporting the implemented component 7 can operate products of different specifications, ensure stable working conditions, reduce the labor intensity of workers, and ensure production safety.

[0027] During implementation, the linear drive module 2 can be any one of a hydraulic rod, a push rod cylinder, a linear motor, or a lead screw 22 module. The linear drive module 2 in this embodiment is a lead screw 22 module. The linear drive module 2 includes a drive motor 21, a lead screw 22, a shaft seat 23, and a nut 24. The drive motor 21 is fixedly installed on the support portion 1. The execution end of the drive motor 21 is fixedly connected to one end of the lead screw 22. The outer periphery of the lead screw 22 is rotatably sleeved on the support portion 1 through the shaft seat 23. The outer periphery of the lead screw 22 is threadedly connected to the nut 24. The nut 24 is detachably connected to the driving slide plate 3. By driving the lead screw 22 to rotate through the drive motor 21, the linear displacement of the nut 24 and the driving slide plate 3 is realized, so as to realize the relative displacement of the driving slide plate 3 and the driven slide plate 4.

[0028] The sliding assembly 5 includes a guide rail 51 and a first slider 52. The guide rail 51 is fixedly installed on the support portion 1. The first slider 52 is fixedly installed on the driving slide plate 3. One end of the first slider 52 is slidably connected to the outer periphery of the guide rail 51. The cooperation between the first slider 52 and the guide rail 51 is used to define the displacement track of the driving slide plate 3 and can prevent the nut 24 from rotating synchronously with the lead screw 22, so as to realize the linear displacement of the driving slide plate 3.

[0029] A link mechanism 6 is provided between the active slide plate 3 and the driven slide plate 4. The link mechanism 6 includes a main shaft 61. The outer periphery of the main shaft 61 is fixedly sleeved on the support portion 1. One end of the main shaft 61 is rotatably sleeved with a turntable 62. One end of the turntable 62 is hinged to one end of a first swing arm 63. The other end of the first swing arm 63 is hinged to the active slide plate 3. The other end of the turntable 62 is hinged to one end of a second swing arm 64. The other end of the second swing arm 64 is hinged to the driven slide plate 4. The link mechanism 6 is used for the active slide plate 3 to drive the driven slide plate 4 to move synchronously, and the movement direction of the driven slide plate 4 is opposite to that of the active slide plate 3, so as to expand the displacement of the nut 24 to adjust the distance between the two, improve the adjustment efficiency, and in order to realize the sliding of the driven slide plate 4 and at the same time reduce the use of parts, a second slider 53 is fixedly installed on one side of the driven slide plate 4, and one end of the second slider 53 is slidably connected to the outer periphery of the guide rail 51.

[0030] As Figure 2 shown, shock pads 31 are respectively arranged on one side of the active slide plate 3 and the driven slide plate 4, or shock pads 31 are arranged on one side of any one of the active slide plate 3 and the driven slide plate 4, so as to prevent the hard contact on the sides of the active slide plate 3 and the driven slide plate 4 from causing damage to the parts. Moreover, cutouts 32 are respectively provided at one ends of the active slide plate 3 and the driven slide plate 4, and the two cutouts 32 are arranged oppositely. The two oppositely arranged cutouts 32 are in a V-shaped structure, so as to be adapted to use tubular components with different outer diameters and improve the general performance.

[0031] The control mode of this embodiment is controlled by a controller. The control circuit of the controller can be realized by simple programming of those skilled in the art. The provision of power also belongs to the common knowledge in this field, and this article is mainly used to protect the mechanical device. The control mode and circuit connection are not explained in detail in this article.

[0032] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Rotating cross-arm locking mechanism, characterized in that: It includes a support part (1), a linear drive module (2), a driving slide plate (3), a driven slide plate (4) and a sliding component (5). The support part (1) is fixedly installed at a fixed position. The linear drive module (2) is arranged on the support part (1). The execution end of the linear drive module (2) is installed with the driving slide plate (3), and the driving slide plate (3) is slidably connected to the support part (1) through the sliding component (5). And the driven slide plate (4) is arranged on the support part (1). The driven slide plate (4) is arranged opposite to the driving slide plate (3). The linear drive module (2) can drive the driving slide plate (3) and the driven slide plate (4) to move relatively. The driving slide plate (3) and the driven slide plate (4) moving relatively can clamp or support the component to be processed (7).

2. The rotational cross-arm locking mechanism according to claim 1, wherein: The linear drive module (2) is any one of a hydraulic rod, a push rod cylinder, a linear motor or a lead screw (22) module.

3. The rotary cross-arm locking mechanism according to claim 1, wherein: The linear drive module (2) is a lead screw (22) module. The linear drive module (2) includes a drive motor (21), a lead screw (22), a shaft seat (23) and a nut (24). The drive motor (21) is fixedly installed on the support part (1). The execution end of the drive motor (21) is fixedly connected to one end of the lead screw (22). The periphery of the lead screw (22) is rotatably sleeved on the support part (1) through the shaft seat (23). The periphery of the lead screw (22) is threadedly connected with the nut (24). The nut (24) is detachably connected to the driving slide plate (3).

4. The rotary cross-arm locking mechanism according to claim 1, characterized in that: The sliding component (5) includes a guide rail (51) and a first slider (52). The guide rail (51) is fixedly installed on the support part (1). The first slider (52) is fixedly installed on the driving slide plate (3). One end of the first slider (52) is slidably connected to the periphery of the guide rail (51).

5. The rotary cross-arm locking mechanism according to claim 4, characterized in that: A link mechanism (6) is arranged between the driving slide plate (3) and the driven slide plate (4). The link mechanism (6) includes a main shaft (61). The periphery of the main shaft (61) is fixedly sleeved on the support part (1). One end of the main shaft (61) is rotatably sleeved with a turntable (62). One end of the turntable (62) is hinged to one end of a first swing arm (63). The other end of the first swing arm (63) is hinged to the driving slide plate (3). The other end of the turntable (62) is hinged to one end of a second swing arm (64). The other end of the second swing arm (64) is hinged to the driven slide plate (4).

6. The rotary cross-arm locking mechanism according to claim 5, wherein: A second slider (53) is fixedly installed on one side of the driven slide plate (4). One end of the second slider (53) is slidably connected to the periphery of the guide rail (51).

7. The rotary cross-arm locking mechanism according to claim 1, wherein: A shock pad (31) is arranged on one side of the driving slide plate (3) and / or the driven slide plate (4).

8. The rotational cross-arm locking mechanism according to claim 1, characterized in that: Notches (32) are respectively arranged at one ends of the driving slide plate (3) and the driven slide plate (4), and the two notches (32) are arranged opposite to each other.

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