CN215897486U

CN215897486U - Rotary extension motor

Info

Publication number: CN215897486U
Application number: CN202122036284.8U
Authority: CN
Inventors: 茅爱峰; 黄树; 岳军齐
Original assignee: Kunshan No1 Precision Industry Technology Co ltd
Current assignee: Kunshan No1 Precision Industry Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-22
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a rotary extension motor which comprises a shell, a rotary motor and a linear motor, wherein the linear motor comprises a rotor and a stator. The rotary motor comprises a rotary shaft, the rotor comprises an L-shaped wire frame, a coil matched with the stator is arranged on one side of the L-shaped wire frame, a round hole is formed in the L-shaped wire frame, the rotary shaft penetrates through the round hole, the rotary motor is connected with the L-shaped wire frame, a through hole is formed in the shell, one end of the rotary shaft penetrates through the through hole and penetrates out of the shell, a linear guide rail is arranged inside the shell, and the rotor is arranged on the linear guide rail, so that the linear motor and the rotary motor can slide along the linear guide rail. The advantages are that: small size, and perfect matching of linear motion and rotary motion.

Description

Rotary extension motor

Technical Field

The utility model relates to the technical field of motors, in particular to a rotary extension motor.

Background

In modern industrial production, all can involve linear motion or rotary motion, only linear motion or rotary motion, can not satisfy industrial production's demand, and the current motor that can do linear motion and rotary motion simultaneously, generally through modes such as mechanical composition, combine linear motor and rotating electrical machines together, and linear motion adopts lead screw drive's mode more, the linear motion and the rotary motion of this kind of mode, be difficult to accomplish perfect cooperation, and inner structure is complicated, and is bulky, and the transmission precision is low. In view of the above, it is desirable to provide a rotary extension motor that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The rotary extension motor provided by the utility model overcomes the defects of the prior art.

The technical scheme adopted by the utility model is as follows:

a rotary extension motor comprises a shell, a rotary motor and a linear motor, wherein the linear motor comprises a rotor and a stator. The rotary motor comprises a rotary shaft, the rotor comprises an L-shaped wire frame, a coil matched with the stator is arranged on one side of the L-shaped wire frame, a round hole is formed in the L-shaped wire frame, the rotary shaft penetrates through the round hole, the rotary motor is connected with the L-shaped wire frame, one end of the rotary shaft penetrates through the through hole and penetrates out of the shell after penetrating through the L-shaped wire frame, a linear guide rail is arranged inside the shell, and the rotor is arranged on the linear guide rail, so that the linear guide rail can be slid along by the linear motor and the rotary motor.

Further, the method comprises the following steps: the linear guide rail is provided with a first sliding block and a second sliding block, the bottom of the L-shaped wire frame is provided with an inverted groove, and the first sliding block and the second sliding block are arranged in the inverted groove and fixedly connected with the bottom of the L-shaped wire frame.

Further, the method comprises the following steps: the stator quantity is two sets of, and one of them group stator is installed in the top of coil, and another group stator is installed in the below of coil, active cell and stator all set up inside the shell, be provided with the recess that is used for fixed coil on the L type line frame.

Further, the method comprises the following steps: the rotating shaft is hollow, an air exhaust assembly is arranged inside the shell, and the air exhaust assembly is connected with the other end of the rotating shaft.

Further, the method comprises the following steps: the tail part of the rotating motor is provided with a cavity box, the tail end of the rotating shaft is accommodated in the cavity box, and the bottom surface of the cavity box is provided with a vent hole used for being connected with an air exhaust assembly.

Further, the method comprises the following steps: the air exhaust assembly comprises a connector used for being connected with an air vent of the cavity box, an internal thread is arranged on the air vent, an external thread is arranged on the connector, the air exhaust assembly is in threaded connection with the cavity box, a threaded glue is arranged at the position of the connector and the air vent in threaded connection, the cavity box is in threaded connection with the rotating motor, and a sealant is added at the contact position of the cavity box and the rotating motor.

Further, the method comprises the following steps: the air exhaust assembly further comprises a connecting cavity and an air pipe capable of making linear motion together with the rotating motor, the air pipe is made of flexible plastic, the air pipe is in threaded connection with one end of the connecting cavity through a second connector, a threaded connection part of the air pipe and the connecting cavity is provided with thread glue, the other end of the connecting cavity is provided with a third connector, and the third connector penetrates out of the shell to be connected with an external air pump.

Further, the method comprises the following steps: the positioning assembly is arranged in the shell and used for positioning linear motion, the positioning assembly comprises a magnetic grid ruler and a support, the magnetic grid ruler is arranged on the side edge of the L-shaped line frame, the support is arranged on the shell, a shading sheet is arranged on the magnetic grid ruler, a magnetic grid reading head matched with the magnetic grid ruler and a first micro photoelectric switch matched with the shading sheet are arranged on the support, the first micro photoelectric switch is in a groove shape, and the shading sheet can move along with the L-shaped line frame and penetrates through a groove of the first micro photoelectric switch.

Further, the method comprises the following steps: the device is characterized in that a zeroing assembly used for zeroing the rotating motor is arranged in the shell and comprises a shading block arranged on a rotating shaft, a second miniature photoelectric switch matched with the shading block is arranged on the L-shaped wire frame and is of a groove shape, and the shading block can rotate along with the rotating shaft and penetrates through a groove of the second miniature photoelectric switch.

Further, the method comprises the following steps: the shell is a die-casting shell, and a cover plate used for covering the shell is arranged on the shell.

The utility model has the beneficial effects that:

1. the rotating motor and the linear motor are connected compactly, perfect fit of the rotating motor and the linear motor is achieved, and meanwhile the whole structure is smaller and more compact, and the moving and the using are convenient.

2. The air exhaust assembly is arranged, so that the workpiece can be sucked.

3. The cavity box is used for connecting the air exhaust assembly and the rotating motor, so that the air exhaust assembly can be prevented from being torn off by the rotating shaft of the rotating motor.

4. The sealing glue is arranged at the connecting part of the cavity box and the rotating motor, so that the gas can be effectively prevented from losing during pumping.

Drawings

FIG. 1 is a schematic view of the internal structure of a rotary extrusion motor according to an embodiment of the present application;

fig. 2 is a schematic structural view of a mover of a linear motor that rotates an extension motor according to an embodiment of the present application;

FIG. 3 is an exploded view of a portion of the internal components of a rotary extrusion motor according to an embodiment of the present application;

FIG. 4 is a top view of the internal structure of a rotary extrusion motor according to an embodiment of the present application;

FIG. 5 is an enlarged view of area A of FIG. 4;

FIG. 6 is a schematic structural view of a rotary electric machine and zeroing assembly of the rotary-linear integrator of an embodiment of the present application;

FIG. 7 is an enlarged view of area A of FIG. 6;

labeled as: 1. a housing; 2. a rotating electric machine; 3. a linear motor; 4. an air extraction assembly; 5. a linear guide rail; 6. a cavity box; 7. a positioning assembly; 8. a return-to-zero component; 201. a rotating shaft; 301. a mover; 302. a stator; 401. a first connector; 402. an air tube; 403. a second joint; 404. a connecting cavity; 405. a third joint; 3011. a coil; 3012.

an L-shaped wire frame; 3013. inverting the groove; 502. a first sliding block; 502. a second sliding block; 601. a vent hole; 701. a magnetic grid reading head; 702. a shading sheet; 703. a first micro photoelectric switch; 704. a magnetic grid ruler; 705. a support; 801. a light shielding block; 802. the second miniature photoelectric switch.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, an embodiment of the present application provides a rotary extension motor including a housing 1, a rotary motor 2, and a linear motor 3, where the linear motor 3 includes a mover 301 and a stator 302. The rotating electrical machine 2 includes a rotating shaft 201, the rotor 301 includes an L-shaped frame 3012, and a coil 3011 matched with the stator 302 is disposed on one side of the L-shaped frame 3012. Be provided with the round hole on L type line frame 3012, rotation axis 201 passes the round hole, rotating electrical machines 2 is connected with L type line frame 3012, the through-hole has been seted up to shell 1, the one end of rotation axis 201 is passed and is worn out shell 1 through the through-hole behind L type line frame 3012, the inside linear guide 5 that is provided with of shell 1, active cell 301 sets up on linear guide 5 for linear guide 5 slides can be followed to linear motor 3 and rotating electrical machines 2.

During operation, the linear motor 3 and the rotating motor 2 perform linear motion together, or the rotating motor 2 performs rotary motion, or the linear motion and the rotary motion are performed simultaneously. During linear motion, the coil 3011 moves between the stators 302 to drive the L-shaped frame 3012 to move linearly along the linear guide rail 5, and at this time, the linear motor 3 drives the rotating motor 2 to move, so that the rotating shaft 201 extends out of the housing 1 through the through hole. In the rotational movement, the rotation shaft 201 rotates. When rotary motion and linear motion go on simultaneously, during linear motion, coil 3011 removes between stator 302, drive L type line frame 3012 along 5 linear motion of linear guide, linear motor 3 drives the motion of rotating electrical machines 2 this moment for rotation axis 201 stretches out shell 1 through the through-hole, and rotation axis 201 can rotate simultaneously.

In the above design, the bobbin of the mover 301 is designed as the L-shaped bobbin 3012, and one end of the L-shaped bobbin 3012 is connected to the head of the rotating electrical machine 2, so that the linear electrical machine 3 and the rotating electrical machine 2 are connected compactly. The device has a compact overall structure, and can realize perfect conjunction of rotary motion and linear motion.

Specifically, the method comprises the following steps: as shown in fig. 1 and 3, a first slider 501 and a second slider 502 are arranged on the linear guide 5, an inverted groove 3013 is arranged at the bottom of the L-shaped frame 3012, and the first slider 501 and the second slider 502 are arranged in the inverted groove 3013 and fixedly connected to the bottom of the L-shaped frame 3012.

During operation, the mover 301 moves linearly on the linear guide 5 along with the first slider 501 and the second slider 502.

In the design, the first slider 501 and the second slider 502 are respectively arranged at two ends of the mover 301, so that the possibility of overturning of the mover 301 due to unbalanced stress in the motion process is reduced compared with the case of only arranging one slider. The inverted groove 3013 makes the connection between the first slider 501 and the second slider 502 and the linear guide 5 more stable.

Specifically, the method comprises the following steps: as shown in fig. 1 and 3, the number of the stators 302 is two, wherein one set of the stators 302 is installed above the coil 3011, the other set of the stators 302 is installed below the coil 3011, the mover 301 and the stators 302 are both arranged inside the housing 1, and the L-shaped frame 3012 is provided with a groove for fixing the coil 3011.

In operation, the two stators 302 remain stationary and the coil 3011 moves linearly between the two stators 302. Coil 3011 is stationary within L-shaped frame 3012 and moves L-shaped frame 3012.

In the above design, the coils 3011 of the mover 301 are located between the two stators 302, and the two stators 302 sandwich the mover 301 so that the mover 301 can have good magnetic field coupling. The coil 3011 is disposed in a square groove in the L-shaped frame 3012, and can reduce the space occupied by the linear motor 3 when the linear motor 3 is normally operated.

Specifically, the method comprises the following steps: the rotating shaft 201 is a hollow rotating shaft 201, the inside of the housing 1 is provided with an air extraction component 4, and the air extraction component 4 is connected with the other end of the rotating shaft 201.

In operation, the air extraction assembly 4 extracts the hollow part of the rotating shaft 201 by using an external air pump, so that the atmospheric pressure is greater than the air pressure of the sealing area between the external workpiece and the rotating shaft 201, and the workpiece is adsorbed by the air extraction assembly 4 through the rotating shaft 201.

In the above-mentioned design, design rotation axis 201 as the quill shaft, be connected with air exhaust subassembly 4, can make air exhaust subassembly 4 ventilate through rotation axis 201 for direct one end through the rotation axis 201 who stretches out shell 1 in the face of special operating mode is to the work piece absorption, and does not need extra air exhaust device, can effectual save time, improvement production efficiency.

Specifically, the method comprises the following steps: as shown in fig. 1 and 3, a cavity box 6 is provided at the rear of the rotary motor 2, the end of the rotary shaft 201 is housed in the cavity box 6, and a vent hole 601 for connecting to the air-extracting unit 4 is provided at the bottom of the cavity box 6.

In operation, when the rotary extension motor performs pumping operation and rotary motion, the rotary shaft 201 rotates, and the pumping assembly 4 sucks a workpiece through gas in the hollow of the rotary shaft 201.

In the design, because the rotating shaft 201 is a hollow shaft, the cavity box 6 is designed to prevent the gas path of the rotating shaft 201 from losing during working, and ensure the normal working of the air extraction component 4 of the rotating and linear integrated machine; the cavity box 6 is arranged, so that the air exhaust component 4 is not directly connected with the rotating shaft 201, and when the rotating motor 2 rotates, the air exhaust component 4 cannot be wound with the rotating shaft 201 by air exhaust simultaneously.

Specifically, the method comprises the following steps: as shown in fig. 1 and 3, the air exhaust assembly 4 includes a connector 401 for connecting with a vent hole 601 of the cavity box 6, the vent hole 601 is provided with an internal thread, the connector 401 is provided with an external thread, so that the air exhaust assembly 4 is in threaded connection with the cavity box 6, a threaded joint between the connector 401 and the vent hole 601 is provided with a thread glue, the cavity box 6 is in threaded connection with the rotating electrical machine 2, and a contact part between the cavity box 6 and the rotating electrical machine 2 is added with a sealing glue.

In operation, when adsorbing the work piece, subassembly 4 of bleeding can be with the inside gas suction of rotation axis 201 to die cavity box 6, again through subassembly 4 of bleeding self inflow outside air pump.

In the above design, the threaded connection between the first connector 401 and the vent 601 is provided with the thread glue, and the connection between the cavity box 6 and the rotating electrical machine 2 is provided with the sealant, so that the airtightness between the cavity box 6 and the air exhaust assembly 4 and the airtightness between the cavity box 6 and the rotating electrical machine 2 can be improved, the gas inside the cavity box 6 is not leaked, and the workpiece is ensured to be firmly adsorbed.

Specifically, the method comprises the following steps: as shown in fig. 3, the air pumping assembly 4 further includes a connection cavity 404 and an air pipe 402 capable of making linear motion together with the rotating electrical machine 2, the air pipe 402 is made of flexible plastic, the air pipe 402 is in threaded connection with one end of the connection cavity 404 through a second connector 403, a threaded joint between the air pipe 402 and the connection cavity 404 is provided with a threaded glue, the other end of the connection cavity 404 is provided with a third connector 405, and the third connector 405 penetrates through the housing 1 to be connected with an external air pump.

In operation, when the rotary extension motor performs linear motion, the air pipe 402 will perform linear motion along with the rotary motor 2, and the connection cavity 404 is fixed.

In the above design, the air pipe 402 is made of flexible plastic to ensure that the air pipe 402 has good flexibility when performing linear motion along with the linear motor 3 and the rotating motor 2, so that the air exhaust assembly 4 and the cavity box 6 are not easy to fall off due to pulling. The connection cavity 404 is fixed and can be connected with an external air pump, and a transition is arranged between the air pipe 402 and the external air pump, so that the air exhaust assembly 4 can ensure air tightness and stability between the connection between the external air pump and the rotating shaft 201.

Specifically, the method comprises the following steps: as shown in fig. 1, 4 and 5, a positioning assembly 7 for positioning linear motion is disposed in the housing 1, the positioning assembly 7 includes a magnetic grid ruler 704 disposed on a side of the L-shaped wire frame 3012 and a bracket 705 disposed on the housing 1, a light shielding sheet 702 is disposed on the magnetic grid ruler 704, a magnetic grid reading head 701 used in cooperation with the magnetic grid ruler 704 and a first micro photoelectric switch 703 cooperating with the light shielding sheet 702 are disposed on the bracket 705, the first micro photoelectric switch 703 is in a groove shape, and the light shielding sheet 702 can move along with the L-shaped wire frame 3012 and pass through a groove of the first micro photoelectric switch 703.

During operation, the light shielding sheet 702 moves along with the mover 301, and when the light shielding sheet 702 moves into the groove of the first micro electro-optical switch 703, light inside the first micro electro-optical switch 703 is shielded by the light shielding sheet 702, so that the voltage between the first micro electro-optical switch 703 and the mover 301 returns to zero, and the mover 301 stops moving. The grid read head 701 is always held stationary.

In the above design, the light shielding sheet 702 is designed as a thin sheet, and occupies a small space. Meanwhile, the movement of the mover 301 is automatically controlled by using the light-shielding property of the light-shielding sheet 702, so that the movement of the mover 301 meets the intelligent control, and the movement can be stopped quickly and timely.

Specifically, the method comprises the following steps: as shown in fig. 6 and 7, a zeroing assembly 8 for zeroing the rotating electric machine 2 is disposed in the housing 1, the zeroing assembly 8 includes a light shielding block 801 disposed on the rotating shaft 201, a second micro photoelectric switch 802 engaged with the light shielding block 801 is disposed on the L-shaped line frame 3012, the second micro photoelectric switch 802 is of a groove type, and the light shielding block 801 can rotate along with the rotating shaft 201 and pass through a groove of the second micro photoelectric switch 802.

It should be noted that the light shielding block 801 rotates in the groove of the second micro switch 802, the zeroing assembly 8 is controlled by an external program to operate, and sometimes the rotating electrical machine 2 needs to be zeroed during operation.

When the zeroing operation is performed, the second micro switch 802 reads the light shielding block 801 and then feeds back a corresponding signal to an external program.

In the above design, the rotation shaft 201 cooperates with the air exhaust component 4 to adsorb the workpiece and then the rotation motor 2 is arranged to return to zero the component 8, so that the angle of the workpiece can be conveniently adjusted.

Specifically, the method comprises the following steps: the shell 1 is a die-casting shell, and a cover plate for covering the shell 1 is arranged on the shell 1.

In the design, the shell 1 is formed by die casting, and the cover plate is arranged above the shell to ensure that the rotating motor can be in a closed state after extending out of the motor, so that the possibility of damage caused by external force is avoided.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotatory motor that stretches out, includes shell (1), rotating electrical machines (2) and linear electric motor (3), linear electric motor (3) include active cell (301) and stator (302), its characterized in that: rotating electrical machines (2) include rotation axis (201), active cell (301) include L type line frame (3012), L type line frame (3012) one side be provided with stator (302) complex coil (3011), be provided with the round hole on L type line frame (3012), rotation axis (201) pass the round hole, rotating electrical machines (2) are connected with L type line frame (3012), the through-hole has been seted up in shell (1), wear out shell (1) through the through-hole after L type line frame (3012) is passed to the one end of rotation axis (201), shell (1) inside is provided with linear guide (5), active cell (301) set up on linear guide (5) for linear electrical machines (3) and rotating electrical machines (2) can be followed linear guide (5) and slided.

2. The rotary electric extension motor of claim 1, wherein: the linear guide rail (5) is provided with a first sliding block (501) and a second sliding block (502), the bottom of the L-shaped line frame (3012) is provided with an inverted groove (3013), and the first sliding block (501) and the second sliding block (502) are arranged in the inverted groove (3013) and are fixedly connected with the bottom of the L-shaped line frame (3012).

3. The rotary electric extension motor of claim 1, wherein: the number of the stators (302) is two, one group of the stators (302) is arranged above the coil (3011), the other group of the stators (302) is arranged below the coil (3011), the rotor (301) and the stators (302) are arranged inside the shell (1), and grooves for fixing the coil (3011) are formed in the L-shaped coil rack (3012).

4. The rotary electric extension motor of claim 1, wherein: the rotating shaft (201) is a hollow rotating shaft (201), an air exhaust assembly (4) is arranged inside the shell (1), and the air exhaust assembly (4) is connected with the other end of the rotating shaft (201).

5. The rotary electric extension motor of claim 1, wherein: the tail part of the rotating motor (2) is provided with a cavity box (6), the tail end of the rotating shaft (201) is contained in the cavity box (6), and the bottom surface of the cavity box (6) is provided with a vent hole (601) used for being connected with the air extraction component (4).

6. The rotary electric extension motor of claim 4, wherein: the utility model discloses a novel air exhaust device, including the air vent (601) of being used for with type chamber box (6) connect (401) one, air vent (601) are provided with the internal thread, No. one connect (401) and are equipped with the external screw thread for air exhaust subassembly (4) and type chamber box (6) threaded connection, No. one connect (401) and air vent (601) threaded connection department and be provided with the screw thread and glue, type chamber box (6) and rotating electrical machines (2) threaded connection, type chamber box (6) and rotating electrical machines (2) contact site have sealed glue with adding.

7. The rotary electric extension motor of claim 5, wherein: air exhaust component (4) are still including connecting chamber (404) and can be with rotating electrical machines (2) together be linear motion's trachea (402), trachea (402) material is flexible plastic, trachea (402) and connecting chamber (404) one end are through No. two joint (403) threaded connection, trachea (402) and the threaded connection department of connecting chamber (404) are provided with the screw thread and glue, it is provided with No. three and connects (405) to connect chamber (404) other end, No. three connects (405) and wears out shell (1) and is used for being connected with outside air pump.

8. The rotary electric extension motor of claim 1, wherein: the utility model discloses a three-dimensional optical fiber cable connector, including being provided with in shell (1) and being used for carrying out locating component (7) to linear motion, locating component (7) are including setting up at the magnetic grid chi (704) that is located L type line frame (3012) side and setting support (705) on shell (1), be provided with anti-dazzling screen (702) on magnetic grid chi (704), be provided with on support (705) with magnetic grid chi (704) complex magnetic grid reading head (701) and with anti-dazzling screen (702) complex miniature photoelectric switch (703), miniature photoelectric switch (703) are the recess shape, anti-dazzling screen (702) can move and pass the recess of miniature photoelectric switch (703) along with L type line frame (3012).

9. The rotary electric extension motor of claim 1, wherein: be provided with in shell (1) and be used for to zero return subassembly (8) of rotating electrical machines (2), return subassembly (8) including setting up shading piece (801) on rotation axis (201), be provided with No. two miniature photoelectric switch (802) with shading piece (801) complex on L type line frame (3012), No. two miniature photoelectric switch (802) are the fluted type, shading piece (801) can rotate and pass the recess of No. two miniature photoelectric switch (802) along with rotation axis (201).

10. The rotary electric extension motor of claim 1, wherein: the shell (1) is a die-casting shell, and a cover plate used for covering the shell (1) is arranged on the shell (1).