Linear rotating motor

Abstract

The utility model discloses a linear rotating motor. The linear rotating motor comprises a shell; the voice coil linear motor, the guide platform and the servo rotating motor are sequentially arranged in the shell; the servo rotating motor is connected with the voice coil linear motor through a guide platform; the output shaft is arranged on the servo rotating motor; the output shaft is connected with a driving shaft of the servo rotating motor through a coupler with a rotating air pipe joint; a grating ruler is arranged at one end of the guide platform; a spring seat is arranged on one side of the guide platform along the guide direction of the guide platform; a spring is arranged in the spring seat, one end of the spring is connected with the guide platform, and the other end of the spring is fixedly connected with the spring seat; a stroke stop block is arranged at the end, located on the guide platform, of the shell. The linear rotating motor provided by the utility model is compact in structure, has extremely high operation reliability and positioning precision, and can realize linear reciprocating motion and rotating motion.

Description

Technical Field

[0001] The present application relates to the field of motors, and in particular to a linear rotary motor. Background Art

[0002] In the field of industrial automation, linear rotary motors are widely used. They can output linear motion and rotational motion at the same time. They can also be used to transport materials by setting a negative pressure air path in the hollow output shaft, which can meet a variety of industrial needs. The output shaft of this type of actuator can not only perform translation and rotation movements, but also be connected to a vacuum device through an air pipe, so that the vacuum device can provide adsorption force for the output shaft, so that the output shaft can adsorb and put down the carried object.

[0003] The existing linear rotary motor has a complex structure, and the drive shaft is prone to fall off and malfunction during operation. Utility Model Content

[0004] The present application proposes a linear rotary motor, aiming to solve the problems raised by the above-mentioned background technology.

[0005] The present application proposes a linear rotary motor, comprising:

[0006] shell;

[0007] A voice coil linear motor, a guide platform and a servo rotary motor are sequentially arranged in the housing; the servo rotary motor and the voice coil linear motor are connected via the guide platform;

[0008] and an output shaft disposed on the servo rotary motor, the output shaft being connected to the drive shaft of the servo rotary motor via a coupling with a rotary air pipe joint;

[0009] A grating ruler is provided at one end of the guide platform;

[0010] A spring seat is provided on one side of the guide platform along its guide direction; a spring is provided in the spring seat, one end of the spring is connected to the guide platform, and the other end is fixedly connected to the spring seat;

[0011] The housing is provided with a travel stopper at one end of the guide platform.

[0012] In some of the embodiments, the coupling with a rotating air pipe joint includes a rotating end, a rotating air inlet arranged at the rotating end, and an output shaft coupling connected to the output shaft and a drive shaft connector connected to the drive shaft arranged at both ends of the rotating end.

[0013] In some of the embodiments, a vacuum air pipe joint is provided on one side of the shell, and the vacuum air pipe joint is connected to the rotating air inlet; a wiring fixing seat is correspondingly provided inside the shell.

[0014] In some of the embodiments, the guide platform includes a linear guide rail fixedly arranged on the inner side of the shell and a guide groove fixedly arranged on the lower end of the guide platform.

[0015] In some of the embodiments, the guide platform includes a first connecting end fixedly connected to the output end of the voice coil linear motor and a second connecting end connected to the servo rotary motor, the second connecting end includes a seat body fixedly connected to the servo rotary motor, the seat body is located at one end of the output shaft of the servo rotary motor and is provided with a cavity for installing the coupling with a rotating air pipe joint, a limiting step is provided on the outer side surface of the driving shaft, and a limiting ring adapted to the limiting step is provided at the other end of the cavity, which is used to limit the driving shaft close to the coupling with a rotating air pipe joint.

[0016] In some of the embodiments, a quick-connect connector is provided at one end of the housing for connecting power and signals.

[0017] In some of the embodiments, a PCB board is disposed on the upper end of the guide platform.

[0018] In some of the embodiments, a mounting hole is provided on a side of the housing away from the driving shaft.

[0019] The technical effects of the linear rotary motor in this application are as follows:

[0020] The utility model provides a linear rotary motor with a compact structure, extremely high operating reliability and positioning accuracy, capable of realizing linear reciprocating motion and rotary motion, and preventing the output shaft from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a linear rotary motor in an embodiment of the present application;

[0022] Figure 2 The schematic diagram of the structure of the guiding platform;

[0023] Figure 3 for Figure 1 A schematic structural diagram of a cross section in an embodiment;

[0024] Among them, 1. housing; 2. voice coil linear motor; 3. guide platform; 4. servo rotary motor; 5. output shaft; 6. drive shaft; 7. coupling with rotating air pipe joint; 8. spring seat; 9. spring; 10. grating scale; 11. travel block; 12. rotating end; 13. rotating air inlet; 14. vacuum air pipe joint; 15. wiring fixing seat; 16. linear guide rail; 17. guide groove; 18. first connecting end; 19. second connecting end; 20. seat body; 21. cavity; 22. limit step; 23. limit retaining ring; 24. quick plug connector; 25. PCB board; 26. mounting hole.

[0025] The purpose, features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0026] In conjunction with the drawings in the embodiments of the present application, the schemes in the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are only part of the embodiments in the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0027] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the present application are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0028] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0029] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0030] This application proposes a linear rotary motor, referring to Figures 1 to 3 ,include:

[0031] The housing 1 includes a shell with an opening on one side and a cover body adapted to the opening; a voice coil linear motor 2, a guide platform 3 and a servo rotary motor 4 are sequentially arranged in the housing 1; the servo rotary motor 4 is connected to the voice coil linear motor 2 through the guide platform 3; and an output shaft 5 is arranged on the servo rotary motor 4, and the output shaft 5 is connected to the driving shaft 6 of the servo rotary motor 4 through a coupling 7 with a rotating air pipe joint; a grating ruler 10 is arranged at one end of the guide platform 3; a spring 9 seat 8 is arranged on one side of the guide direction of the guide platform 3; a spring 9 is arranged in the spring 9 seat 8, one end of the spring 9 is connected to the guide platform 3, and the other end is fixedly connected to the spring 9 seat 8; a travel block 11 is arranged at one end of the housing 1 located on the guide platform 3. Under the action of the spring 9 and the travel block 11, the guide platform 3 realizes the limit at both ends, and the grating ruler 10 realizes the detection of the linear displacement of the guide platform 3. The linear rotary motor has a compact structure and has extremely high operating reliability and positioning accuracy.

[0032] In some of the embodiments, the coupling 7 with a rotating air pipe joint includes a rotating end 12, a rotating air inlet 13 arranged at the rotating end 12, and an output shaft 5 coupling connected to the output shaft 5 and a drive shaft 6 connector connected to the drive shaft 6 arranged at both ends of the rotating end 12. An air hose is arranged in the housing 1.

[0033] In some embodiments, a vacuum air pipe joint 14 is provided on one side of the housing 1, and the vacuum air pipe joint 14 is connected to the rotating air inlet 13; a wiring fixing seat 15 is correspondingly provided inside the housing 1, and the structure is compact. The vacuum air pipe joint 14 is connected to the rotating air inlet 13 through an air hose.

[0034] In some of the embodiments, the guide platform 3 includes a linear guide rail 16 fixedly arranged on the inner side of the outer shell 1 and a guide groove 17 fixedly arranged at the lower end of the guide platform 3. The guide rail and the guide groove 17 realize precise guidance of the guide platform 3. The drive shaft 6 realizes linear motion synchronously with the guide platform 3, and the drive shaft 6 realizes rotation under the action of the servo rotary motor 4.

[0035] In some of the embodiments, the guide platform 3 includes a first connection end 18 fixedly connected to the output end of the voice coil linear motor 2 and a second connection end 19 connected to the servo rotary motor, the second connection end 19 includes a seat body 20 fixedly connected to the servo rotary motor, the seat body 20 is located at one end of the output shaft 5 of the servo rotary motor and is provided with a cavity 21 for installing the coupling 7 with a rotating air pipe joint, a limiting step 22 is provided on the outer side surface of the driving shaft 6, and a limiting ring 23 adapted to the limiting step 22 is provided at the other end of the cavity 21, which is used to limit the driving shaft 6 close to the coupling 7 with a rotating air pipe joint.

[0036] In some of the embodiments, a quick-connect connector 24 is provided at one end of the housing 1 for connecting power and signals, which is highly practical.

[0037] In some of the embodiments, a PCB board 25 is disposed on the upper end of the guide platform 3 .

[0038] In some of the embodiments, a mounting hole 26 is provided on a side of the housing 1 away from the driving shaft 6 for mounting and fixing the linear rotary motor.

[0039] The technical effects of the linear rotary motor in this application are as follows:

[0040] The utility model provides a linear rotary motor with a compact structure, extremely high operating reliability and positioning accuracy, capable of realizing linear reciprocating motion and rotary motion, and preventing the output shaft from falling off.

[0041] The above are only partial or preferred embodiments of the present application. Neither the text nor the drawings can limit the scope of protection of the present application. All equivalent structural changes made using the contents of the present application specification and drawings under the overall concept of the present application, or direct / indirect application in other related technical fields are included in the scope of protection of the present application.

Claims

1. A linear rotary motor, characterized in that: include: shell; A voice coil linear motor, a guide platform and a servo rotary motor are sequentially arranged in the housing; the servo rotary motor and the voice coil linear motor are connected via the guide platform; and an output shaft disposed on the servo rotary motor, the output shaft being connected to the drive shaft of the servo rotary motor via a coupling with a rotary air pipe joint; A grating ruler is provided at one end of the guide platform; A spring seat is provided on one side of the guide platform along its guide direction; a spring is provided in the spring seat, one end of the spring is connected to the guide platform, and the other end is fixedly connected to the spring seat; The housing is provided with a travel stopper at one end of the guide platform.

2. The linear rotary motor according to claim 1, characterized in that: The coupling with a rotating air pipe joint comprises a rotating end, a rotating air inlet arranged at the rotating end, and an output shaft coupling connected to the output shaft and a drive shaft connector connected to the drive shaft arranged at both ends of the rotating end.

3. The linear rotary motor according to claim 2, characterized in that: A vacuum air pipe joint is arranged on one side of the shell, and the vacuum air pipe joint is connected with the rotating air inlet; a wiring fixing seat is correspondingly arranged inside the shell.

4. The linear rotary motor according to claim 1, characterized in that: The guide platform comprises a linear guide rail fixedly arranged on the inner side of the shell and a guide groove fixedly arranged on the lower end of the guide platform.

5. The linear rotary motor according to claim 1, characterized in that: The guide platform includes a first connection end fixedly connected to the output end of the voice coil linear motor and a second connection end connected to the servo rotary motor, the second connection end includes a seat body fixedly connected to the servo rotary motor, the seat body is located at one end of the output shaft of the servo rotary motor and is provided with a cavity for installing the coupling with a rotating air pipe joint, the outer side surface of the drive shaft is provided with a limiting step, and the other end of the cavity is provided with a limiting ring adapted to the limiting step, which is used for limiting the driving shaft close to the coupling with a rotating air pipe joint.

6. The linear rotary motor according to claim 1, characterized in that: One end of the shell is provided with a quick-connect connector for connecting power and signals.

7. The linear rotary motor according to claim 1, characterized in that: A PCB board is arranged on the upper end of the guide platform.

8. The linear rotary motor according to claim 1, characterized in that: A mounting hole is arranged on one side of the housing away from the driving shaft.

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