CN218006052U

CN218006052U - Linear rotation electric actuator

Info

Publication number: CN218006052U
Application number: CN202221860179.4U
Authority: CN
Inventors: 吴彬
Original assignee: Micro End New Technology Suzhou Co ltd
Current assignee: Micro End New Technology Suzhou Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-12-09
Anticipated expiration: 2032-07-19

Abstract

The utility model belongs to the electric actuator field of two dimensions discloses a rotatory electric actuator of straight line. The synchronous belt type linear actuator comprises an installation shell, a first motor, a second motor, a first synchronous toothed belt, a second synchronous toothed belt and an actuating main body, wherein a first installation port is formed in the side surface of the installation shell, the first motor is inserted into the first installation port, a first synchronous belt pulley is arranged in the installation shell, two ends of the first synchronous toothed belt are respectively sleeved between the first synchronous belt pulley and the first motor, the actuating main body is connected with the first synchronous toothed belt through a connecting rib plate, and the first synchronous toothed belt can drive the actuating main body to move linearly; a fixed frame is formed in the mounting shell, a second motor is erected on the fixed frame, and the second motor can drive the execution main body to rotate through a second synchronous toothed belt; the problems of high cost and large size of the conventional linear rotation electric actuator are solved.

Description

Linear rotation electric actuator

Technical Field

The utility model relates to an electric actuator technical field of two dimensions especially relates to a rotatory electric actuator of straight line.

Background

The linear motor has the ability of linear motion and rotary motion, but current linear motor usually includes two kinds, one kind is assembled temporarily through current part, is the disconnect-type overall arrangement, because the space is not unified the design so the volume that the disconnect-type overall arrangement occupied is great, though the linear rotating motor of disconnect-type overall arrangement's manufacturing cost is lower, and the operation precision of disconnect-type overall arrangement is lower, the action reaction is also slower, another kind of linear motor passes through motor and linear motor and realizes reciprocating motion, but above-mentioned linear motor's cost is more expensive, and the purchase cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can sharp rotatory electric actuator, solve the current sharp rotatory electric actuator higher and the great problem of volume of cost.

To achieve the purpose, the utility model adopts the following technical proposal: the utility model provides a linear rotation electric actuator, including installation shell, first motor, second motor, first synchronous tooth belt, second synchronous tooth belt and execution main part, the installation shell side is formed with first installing port, first motor cartridge is in the first installing port, installation shell inside is provided with first synchronous pulley, the both ends of first synchronous tooth belt cup joint respectively between first synchronous pulley and the first motor, the execution main part is connected with first synchronous tooth belt through the connecting rib plate, first synchronous tooth belt can drive the execution main part moves rectilinearly; a fixed frame is formed in the mounting shell, the second motor is erected on the fixed frame, the first motor is inserted in the fixed frame, and the second motor can drive the execution main body to rotate through the second synchronous toothed belt.

Preferably, the linear rotary electric actuator further includes a connection frame, a first mounting plate is formed inside the mounting case, a slide rail is provided along a vertical direction on the first mounting plate, the actuator body is mounted on the connection frame, the connection frame is movable along a length direction of the slide rail, and the connection frame is connected to the first synchronous toothed belt through the connection rib plate.

Preferably, the executing body comprises a rotating shaft, the linear rotation electric actuator further comprises a spline body, the rotating shaft is inserted into the spline body, the spline body can drive the rotating shaft to rotate, and two ends of the second synchronous toothed belt are respectively bound to the spline body and a rotor of the second motor.

Preferably, a first limiting tangent plane is formed on the rotating shaft, a second limiting tangent plane is formed on the inner wall of the spline main body, and the first limiting tangent plane abuts against the second limiting tangent plane.

Preferably, the execution main body further comprises a hollow shaft, the hollow shaft is communicated with the rotating shaft and is inserted into the connecting frame, a bearing is arranged on the connecting frame, and the hollow shaft is inserted into the bearing.

Preferably, the connecting frame comprises an upper frame and a lower frame, a group of bearings are mounted in the upper frame, and two groups of bearings are coaxially mounted in the lower frame.

Preferably, the rotating shaft and the hollow shaft are connected through a coupler, a sealing ring is installed inside the coupler, and the hollow shaft and the rotating shaft are inserted into the sealing ring.

Preferably, the lower end of the hollow shaft is provided with a joint which can be connected by at least one mounting seat.

Preferably, the mounting shell is blade-shaped.

Preferably, a first sensor and a second sensor are further installed inside the linear rotation electric actuator, the first sensor is fixed on an ear plate at the lower end of the fixed frame, the second sensor is fixed on the first mounting plate, the first sensor can record the rotation angle of the actuating body, and the second sensor can record the linear movement distance of the actuating body.

Has the beneficial effects that: the utility model discloses with first motor and second motor in the installation shell, it rotates to drive first synchronous profile of tooth area on the first motor, first synchronous profile of tooth area drives the connection floor of being connected with it and removes, just so can drive the execution main part and realize linear movement, the second motor directly drives the execution main part through the synchronous profile of tooth area of second and rotates simultaneously, the cost of directly using linear electric motor has been reduced, simultaneously first motor and second motor are installed respectively on the inside and the lateral wall of installation shell, make first motor and second motor can be in same horizontal plane interior installation, it rotates and removes to drive the execution main part through the synchronous profile of tooth area of first synchronous profile of tooth area and second, the rational utilization space, reduce the volume of sharp rotary electric actuator.

Drawings

FIG. 1 is a main body diagram of the internal structure of the present invention;

fig. 2 is a mounting diagram of the housing of the present invention.

In the figure: 1-mounting a housing; 2-a first electric machine; 3-a second motor; 4-a first synchronous toothed belt; 5-a second timing cog belt; 6-execution of the subject; 61-rotation axis; 62-a hollow shaft; 7-a first synchronous pulley; 8-a connecting frame; 9-connecting rib plates; 10-a slide rail; 11-a splined body; 12-a first sensor; 13-a second sensor; 14-a coupling; 15-a first mounting plate; 16-fixed frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The linear rotating motor in the prior art is generally used after being temporarily assembled, but the linear rotating motor and the rotating motor are different in installation angle and direction in a three-dimensional space, so that a large space is required to be occupied, the mechanical transmission accuracy of the linear rotating motor is not high, the action response is slow, the linear rotating motor is also provided, the linear rotating motor and the rotating motor are respectively used for controlling the execution main body to move, but the linear motor is higher in manufacturing cost and is not suitable for factory production and use.

In order to solve the above problems, the present invention provides a linear rotation electric actuator, as shown in fig. 1, including a mounting housing 1, a first motor 2, a second motor 3, a first synchronous cog belt 4, a second synchronous cog belt 5 and an executing main body 6, a first mounting opening is formed on a side surface of the mounting housing 1, the first motor 2 is inserted into the first mounting opening, a first synchronous cog wheel 7 is arranged inside the mounting housing 1, two ends of the first synchronous cog belt 4 are respectively sleeved between the first synchronous cog wheel 7 and the first motor 2, the executing main body 6 is connected with the first synchronous cog belt 4 through a connecting rib plate 9, and the first synchronous cog belt 4 can drive the executing main body 6 to move linearly; a fixed frame 16 is formed in the mounting shell 1, the second motor 3 is erected on the fixed frame 16, and the second motor 3 can drive the execution main body 6 to rotate through the second synchronous toothed belt 5.

The utility model discloses a fixed frame 16 and first mounting panel 15 are the skeleton of installation shell inside, first motor 2 and second motor 3 are installed respectively on the upper end and the lateral wall of fixed frame 16, first motor 2 is installed on the lateral wall of installation shell 1, the rotating head cartridge of first motor 2 is in installation shell 1 while the rotating head cartridge of first motor 2 is in the lateral wall, install the first synchronous pulley 7 that can freely rotate in installation shell 1, first synchronous pulley 7 is installed on the side of first mounting panel 15, first synchronous cog belt 4 cup joints on first motor 2 and first synchronous pulley 7, connecting rib plate 9 one end is fixed on first synchronous cog belt 4, the other end is fixed on execution main part 6, first motor 2 drives connecting rib plate 9 to move up and down as the initiative drive device, connecting rib plate 9 drives execution main part 6 to move up and down simultaneously, thus it is realized that first motor 2 will drive execution main part 6 to carry out linear reciprocating motion through the rotation, second motor 3 also drives execution main part 6 to carry out linear reciprocating motion through second synchronous belt 5, realize that the linear motion execution main part 6 and linear motion of execution main part 6 can be installed on the installation shell through the second synchronous pulley 2 and second synchronous pulley 4, the vertical synchronous pulley 2, the installation shell can be installed on the installation shell through the second synchronous pulley 2 and the vertical synchronous pulley 2, the installation shell can be installed on the installation shell, the vertical synchronous pulley 2 and the vertical synchronous pulley, the installation shell respectively through the vertical synchronous pulley 5, the installation shell, the vertical synchronous pulley 4, the vertical synchronous pulley 2, the vertical synchronous pulley, the vertical transmission cost of the vertical transmission of the synchronous pulley 4, the volume of the linear rotation electric actuator is reduced.

By controlling the rotation angles of the first motor 2 and the second motor 3, the rotation angle and the moving distance of the execution main body 6 can be precisely controlled, the running accuracy of the execution main body 6 is improved,

as shown in fig. 1, the utility model discloses a rotatory electric actuator of straight line still includes the carriage 8, the inside first mounting panel 15 that is formed with of installation shell 1, first mounting panel 15 is provided with slide rail 10 along vertical direction, it installs on carriage 8 to carry out main part 6, carriage 8 can be followed slide rail 10 length direction and removed, carriage 8 passes through connecting rib plate 9 and is connected with first synchronous profile of tooth area 4, the downside at fixed frame 16 is connected to first mounting panel 15, slide rail 10 installs the side at first fixed plate simultaneously, the opposite side at first mounting panel 15 is installed to first synchronous pulley 7 simultaneously.

Execution main part 6 is installed on the edge of the one side of linking frame 8, and linking frame 8 is then installed on slide rail 10 with its relative another side, and connecting rib plate 9 drives linking frame 8 and reciprocates, and linking frame 8 slides on slide rail 10, makes the motion process more accurate and stable, just so can make execution main part 6 more stable at the in-process that reciprocates simultaneously, can not take place the shake.

As shown in fig. 1, the utility model discloses execution main part 6 includes spline main part 11 and rotation axis 61, and rotation axis 61 pegs graft in spline main part 11, and spline main part 11 can drive rotation axis 61 and rotate, and the both ends of the synchronous cog belt of second 5 are bound respectively on spline main part 11 and second motor 3 rotor.

The utility model discloses a rotation axis 61 cup joints in spline main part 11, and spline main part 11 drives rotation axis 61 and carries out the rotation, and second motor 3 directly drives spline main part 11 through the synchronous cog belt 5 of second through the rotation and rotates, directly drives rotation axis 61 through spline main part 11 and carries out the rotation, has just so realized rotatory and two kinds of motion state of removal in the execution main part 6, simultaneously through the synchronous cog belt 5 of second can the rotatory angle of accurate control.

As shown in fig. 1, the rotating shaft 61 of the present invention is formed with a first limiting tangent plane, and the inner wall of the spline body 11 is formed with a second limiting tangent plane, which is offset with the second limiting tangent plane.

Carry on spacingly through the mutual butt of the spacing tangent plane of above-mentioned first spacing tangent plane and second, the diameter of rotation axis 61 slightly is less than the diameter of splined hole, make rotation axis 61 freely slide along the axial in spline main part 11, the carriage 8 of being convenient for drives execution main part 6 and removes, mutual butt through first spacing face and the spacing face of second makes spline main part 11 can drive rotation axis 61 and rotate, finally make execution main part 6 can also carry out the rotation at upper and lower rectilinear movement's in-process.

The utility model discloses an execution main part 6 still includes quill shaft 62, quill shaft 62 communicates with rotation axis 61, quill shaft 62 pegs graft in connection frame 8, set up the bearing on the connection frame 8, quill shaft 62 pegs graft in the bearing, so be used for wearing to establish the downthehole bearing of installing of quill shaft 62 in the connection frame 8 because quill shaft 62 is in the rotation state, quill shaft 62 pegs graft in the bearing, rotatory frictional force that receives reduces, prolong quill shaft 62 and connection frame 8's life, make quill shaft 62's rotation not influenced by frictional force, when making connection frame 8 move in the drive hollow shaft 62, quill shaft 62 can carry out the rotation in the perforation on connection frame 8.

It needs to be particularly noted that, the connection frame 8 includes upper frame and lower frame, installs a set of bearing in the upper frame, and coaxial two sets of bearings of installing in the lower frame, and all junctions between quill shaft 62 and the connection frame 8 are connected through the bearing, and the bearing is installed in the connection frame 8, and quill shaft 62 cartridge is in the bearing.

As shown in fig. 1, the spline body 11 and the hollow shaft 62 of the present invention are connected by the coupling 14, the coupling 14 has a sealing ring mounted inside, and the hollow shaft 62 and the rotary shaft 61 are inserted into the sealing ring.

The hollow shaft 62 and the rotary shaft 61 are connected by the coupling, so that the rotary shaft 61 can drive the hollow shaft 62 to synchronously rotate, the synchronous rotation of the execution main body 6 is ensured, meanwhile, the sealing ring in the coupling 14 can seal the interfaces of the hollow shaft 62 and the rotary shaft 61, air leakage is prevented, and the space in the hollow shaft 62 and the rotary shaft 61 can be always maintained in a vacuum state.

The utility model discloses a joint is installed to quill shaft 62 lower extreme, connects and to connect can an at least mount pad to be connected, and above-mentioned joint can be connected with multiple mount pad and is convenient for use under different scenes, provides multiple selection for the customer.

It should be particularly noted that the utility model discloses an installation shell 1 is the blade form, and second motor 3 installs in the inside of installation shell 1, and first motor 2 is installed in the side of installation shell 1, and the space of above-mentioned mounting means maximize utilization installation shell 1 inside reduces the volume of sharp rotatory electric actuator.

The linear rotating electric actuator is internally provided with a first sensor 12 and a second sensor 13, the first sensor 12 is installed on an ear plate at the lower end of a fixing frame 16, the second sensor is fixed on the side surface of a first installing plate 15, the first sensor 12 can detect the rotating angle of the executing body 6, the second sensor 13 can detect the linear moving distance of the executing body 6, when the linear rotating electric actuator is started, the first sensor 12 can record the zero-returning position of the rotating angle, and the second sensor 13 can record the zero-returning position before the executing body 6 moves linearly, so that the linear rotating electric actuator can be used repeatedly and finely adjusted, the position before the executing body 6 moves each time is more accurate, and errors are reduced.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The linear rotating electric actuator is characterized by comprising a mounting shell (1), a first motor (2), a second motor (3), a first synchronous toothed belt (4), a second synchronous toothed belt (5) and an executing body (6), wherein a first mounting opening is formed in the side surface of the mounting shell (1), the first motor (2) is inserted into the first mounting opening, a first synchronous belt pulley (7) is arranged inside the mounting shell (1), two ends of the first synchronous toothed belt (4) are respectively sleeved between the first synchronous belt pulley (7) and the first motor (2), the executing body (6) is connected with the first synchronous toothed belt (4) through a connecting rib plate (9), and the first synchronous toothed belt (4) can drive the executing body (6) to move linearly; a fixed frame (16) is formed in the mounting shell (1), the second motor (3) is erected on the fixed frame (16), the first motor (2) is inserted into the fixed frame (16), and the second motor (3) can drive the execution main body (6) to rotate through the second synchronous toothed belt (5).

2. The electric linear rotary actuator according to claim 1, further comprising a connecting frame (8), wherein a first mounting plate (15) is formed inside the mounting housing (1), the first mounting plate (15) is inserted into the lower side of the fixing frame (16), a slide rail (10) is arranged on the side surface of the first mounting plate (15), the actuating body (6) is mounted on the connecting frame (8), the connecting frame (8) can move along the length direction of the slide rail (10), and the connecting frame (8) is connected with the first synchronous toothed belt (4) through the connecting rib plate (9).

3. The linear rotary electric actuator according to claim 2, characterized in that the actuator body (6) comprises a rotating shaft (61), the linear rotary electric actuator further comprises a spline body (11), the rotating shaft (61) is inserted into the spline body (11), the spline body (11) can drive the rotating shaft (61) to rotate, and two ends of the second synchronous cog belt (5) are respectively bound on the spline body (11) and the rotor of the second electric motor (3).

4. The linear rotary electric actuator according to claim 3, wherein the rotary shaft (61) is formed with a first limiting tangential surface, and the spline body (11) is formed with a second limiting tangential surface on the inner wall, and the first limiting tangential surface abuts against the second limiting tangential surface.

5. The linear rotary electric actuator according to claim 3, wherein the actuator body (6) further comprises a hollow shaft (62), the hollow shaft (62) is communicated with the rotary shaft (61), the hollow shaft (62) is inserted into the connecting frame (8), a bearing is arranged on the connecting frame (8), and the hollow shaft (62) is inserted into the bearing.

6. Linear rotary electric actuator according to claim 5, characterized by the fact that the connection frame (8) comprises an upper frame, in which one set of bearings is mounted, and a lower frame, in which two sets of bearings are coaxially mounted.

7. Linear rotary electric actuator according to claim 5, characterized in that the rotary shaft (61) and the hollow shaft (62) are connected by a coupling (14), a sealing ring is mounted inside the coupling (14), and the hollow shaft (62) and the rotary shaft (61) are plugged into the sealing ring.

8. Linear rotary electric actuator according to claim 5, characterized by the fact that the hollow shaft (62) is fitted at its lower end with a joint that can be connected by at least one mounting seat.

9. Linear rotary electric actuator according to claim 1, characterized in that the mounting housing (1) is blade-shaped.

10. The linear rotary electric actuator according to claim 1, characterized in that a first sensor (12) and a second sensor (13) are further installed inside the linear rotary electric actuator, the first sensor (12) is fixed on an ear plate at the lower end of a fixed frame (16), the second sensor (13) is fixed on a first mounting plate (15), the first sensor (12) can record the rotation angle of the executing body (6), and the second sensor (13) can record the linear moving distance of the executing body (6).