Integrated micro electric cylinder with double closed loops

Abstract

The utility model discloses an integrated miniature electric cylinder with double closed loops, which comprises a shell with an opening on one side; the fixed seat is arranged at the opening of the shell; the motor is arranged in the shell; the speed reducer is connected with the output end of the motor; the lead screw is connected with the output end of the speed reducer and is integrally formed with the output end of the speed reducer; the transmission part is arranged on the lead screw in a sleeving mode, and when the lead screw rotates, the transmission part moves in the axial direction of the lead screw; and one end of the output part is connected with the transmission part, and the other end of the output part penetrates through the fixed seat. According to the miniature electric cylinder, the lead screw and the speed reducer are integrally designed, and a traditional connection mode of a coupler and a bearing seat is abandoned. According to the design, the internal space is remarkably saved, the overall structure is more compact, the transmission efficiency is greatly improved, the energy loss is reduced, and smoother and more efficient movement transmission is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to micro electric cylinder technical field, especially relate to a double closed loop one-piece micro electric cylinder. BACKGROUND

[0002] Micro electric cylinder is a kind of small, linear motor driven electrical actuator equipment, can execute linear motion in certain stroke range.Micro electric cylinder is usually composed of motor, speed reducer, transmission mechanism, slider and the like.Motor provides power, and the rotation speed is higher, needs to reduce the output power by speed reducer, simultaneously increases output torque.Transmission mechanism can adopt gear, screw, ball screw and the like, converts the rotary motion of motor into linear motion.Slider is the "arm" of micro electric cylinder, is responsible for transmitting force and motion.

[0003] In the prior art micro electric cylinder, screw rod and speed reducer are connected in a split type, when connecting the two, coupling and bearing seat are needed, but this will affect the internal space of micro electric cylinder, cause larger space, and a double closed loop one-piece micro electric cylinder is designed for this. SUMMARY

[0004] According to the utility model embodiments, a double closed loop one-piece micro electric cylinder is provided, comprising:

[0005] Shell, shell is one side opening structure;

[0006] Fixed seat, fixed seat is arranged at the opening of shell;

[0007] Motor, motor is arranged in the inside of shell;

[0008] Speed reducer, speed reducer is connected with the output end of motor;

[0009] Screw rod, screw rod is connected with the output end of speed reducer, and is integrally formed;

[0010] Transmission part, transmission part is sleeved on screw rod, moves along the axial direction of screw rod when screw rod rotates;

[0011] Output part, one end of output part is connected with transmission part, the other end of output part penetrates fixed seat.

[0012] Further, further comprising:

[0013] First detector, first detector is used to detect the rotary displacement of motor;

[0014] Second detector, second detector is used to detect the linear displacement of transmission part.

[0015] Further, first detector is rotary encoder.

[0016] Further, the second detector is a linear encoder.

[0017] Further, the device further comprises a guide arranged in the interior of the housing and in sliding connection with the transmission part, for guiding the movement of the transmission part.

[0018] Further, the device further comprises a sliding bearing arranged between the output part and the fixed seat.

[0019] Further, the device further comprises a control panel arranged in the housing, for controlling the motor.

[0020] Further, the transmission part and the output part are integrally formed.

[0021] Further, the other end of the output part is provided with a connecting hole.

[0022] Further, the housing is composed of a first shell, a second shell and a third shell connected with each other in sequence.

[0023] According to the embodiment of the utility model discloses a kind of double closed loop integrated miniature electric cylinder, with following beneficial effects:

[0024] 1, the miniature electric cylinder integrates design of screw rod and speed reducer, discards traditional coupling and bearing seat connection mode.This design not only significantly saves internal space, makes overall structure more compact, and greatly improves transmission efficiency, reduces energy loss, ensures more smooth and efficient motion transmission.

[0025] 2, in control precision, the miniature electric cylinder is integrated with rotary encoder and linear encoder inside, forms double closed loop detection system.This system can monitor and feedback the motion state of screw rod and transmission part in real time, through accurate calculation and control, ensure the high precision and sustained stability of motion. Even in long time operation or face complex working condition, can keep good precision performance, to meet the needs of various high-precision application scenarios.

[0026] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the subject technology claimed. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a front view structural schematic diagram of a kind of double closed loop integrated miniature electric cylinder according to the embodiment of the utility model.

[0028] Figure 2 It is a front view structural schematic diagram of a kind of double closed loop integrated miniature electric cylinder according to the embodiment of the utility model. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, further illustrating the present invention.

[0030] First, combine Figures 1-2 This invention describes an integrated miniature electric cylinder with a dual closed-loop circuit, which is used to provide driving force for linear motion and has a wide range of applications.

[0031] like Figures 1-2 As shown in the figure, an integrated miniature electric cylinder with a double closed-loop circuit according to an embodiment of the present invention has a shell, a fixed base 200, a motor 300, a reducer 400, a lead screw 500, a transmission part 600, and an output part 800.

[0032] Specifically, such as Figures 1-2 As shown, the outer shell has an opening on one side and is composed of a first shell 101, a second shell 102 and a third shell 103 connected in sequence. The segmented shell facilitates the disassembly and assembly of internal parts.

[0033] Specifically, such as Figures 1-2 As shown, the mounting base 200 is located at the opening of the outer casing to seal the opening of the outer casing, and can also be connected and fixed to an external fixing point during use.

[0034] Specifically, such as Figure 2 As shown, the motor 300 is located inside the housing and provides the driving force for rotation.

[0035] Specifically, such as Figure 2 As shown, the reducer 400 is connected to the output end of the motor 300 and is used to transmit the power of the motor 300.

[0036] Specifically, such as Figure 2 As shown, the lead screw 500 is connected to the output end of the reducer 400 and is integrally formed. During installation, no coupling or bearing housing is required, saving internal space of the housing and reducing the size of the miniature electric cylinder.

[0037] Specifically, such as Figure 2 As shown, the transmission part 600 is sleeved on the lead screw 500 and moves along the axial direction of the lead screw 500 when the lead screw 500 rotates.

[0038] Specifically, such as Figure 2 As shown, one end of the output section 800 is connected to the transmission section 600, and the other end of the output section 800 passes through the fixed base 200, which is used to transmit power when the transmission section 600 moves.

[0039] Furthermore, such as Figure 2As shown, the double closed loop integrated miniature electric cylinder of the embodiment of the utility model further comprises: a first detector 701, the first detector 701 is used to detect the rotary displacement of motor 300;Second detector 702, the second detector 702 is used to detect the linear displacement of transmission part 600. Wherein, the first detector 701 is rotary encoder, and the second detector 702 is linear encoder, and rotary encoder and linear encoder form double closed loop detection system. This system can monitor and feedback the motion state of screw rod 500 and transmission part 600 in real time, ensures the high precision and sustained stability of motion through accurate calculation and control. Even in long time operation or in the face of complex working conditions, good precision performance can be maintained, thereby meeting the needs of various high-precision application scenarios.

[0040] Further, as shown in the drawings, Figure 2 The double closed loop integrated miniature electric cylinder of the embodiment of the utility model further comprises: a guide 703, the guide 703 is arranged in the inside of the shell, and is slidably connected with the transmission part 600, and is used to guide the movement of the transmission part 600, to ensure the accuracy of the movement of the transmission part 600.

[0041] Further, as shown in the drawings, Figure 2 The double closed loop integrated miniature electric cylinder of the embodiment of the utility model further comprises: a sliding bearing 704, the sliding bearing 704 is arranged between the output part 800 and the fixed seat 200, to reduce friction.

[0042] Further, as shown in the drawings, Figure 2 The double closed loop integrated miniature electric cylinder of the embodiment of the utility model further comprises: a control panel 705, the control panel 705 is arranged in the shell, and is used to control the motor 300.

[0043] Further, in the embodiment, the transmission part 600 and the output part 800 are integrally formed, reducing the installation steps, improving the installation efficiency, and also ensuring the strength.

[0044] Further, in the embodiment, the other end of the output part 800 is provided with a connecting hole 801, which is used to be connected with external additional parts (such as suction cups, grippers).

[0045] The above, with reference to Figures 1-2 The double closed loop integrated miniature electric cylinder according to the embodiment of the utility model is described, and has the following beneficial effects:

[0046] 1, the miniature electric cylinder integrates the screw rod 500 and the speed reducer 400, discards the traditional shaft coupling and bearing seat connection mode. This design not only significantly saves the internal space, makes the overall structure more compact, but also greatly improves the transmission efficiency, reduces the energy loss, and ensures more smooth and efficient motion transmission.

[0047] 2. In terms of control accuracy, the micro electric cylinder integrates a rotary encoder and a linear encoder inside, forming a double closed-loop detection system. This system can monitor and feedback the motion state of the screw rod 500 and the transmission part 600 in real time, through accurate calculation and control, ensuring high precision and continuous stability of the motion. Even in long-time operation or complex working conditions, it can maintain good precision performance, thus meeting the needs of various high-precision application scenarios.

[0048] It should be noted that in the present specification, the terms "comprise", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the elements defined by the statement "contain" do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0049] Although the content of the present application has been described in detail by the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present application. After reading the above content, various modifications and alternatives of the present application will be obvious to those skilled in the art. Therefore, the protection scope of the present application should be defined by the appended claims.

Claims

1. A dual closed loop integrated micro electro-cylinder, characterized in that, The utility model relates to a kind of linear motor, including: Housing, the housing is one side open structure; Fixed seat, the fixed seat is set at the opening of the housing; Motor, the motor is set inside the housing; Speed reducer, the speed reducer is connected with the output end of the motor; Lead screw, the lead screw is connected with the output end of the speed reducer, and integrated; Transmission part, the transmission part is sleeved on the lead screw, when the lead screw rotates, it moves along the axial direction of the lead screw; Output part, one end of the output part is connected with the transmission part, the other end of the output part penetrates the fixed seat.

2. The integrated micro cylinder with double closed loop according to claim 1, wherein, Also include: First detector, the first detector is used to detect the rotary displacement of the motor; Second detector, the second detector is used to detect the linear displacement of the transmission part.

3. The integrated micro electro-cylinder with double closed loop according to claim 2, wherein, The first detector is rotary encoder.

4. The integrated micro cylinder with double closed loop according to claim 2, wherein, The second detector is linear encoder.

5. The integrated micro electro-cylinder with double closed loop according to claim 1, wherein, Also include: guide, the guide is set inside the housing, and is slidably connected with the transmission part, for guiding the movement of the transmission part.

6. The integrated micro electro-cylinder with double closed loop according to claim 1, wherein, Also include: sliding bearing, the sliding bearing is arranged between the output part and the fixed seat.

7. The integrated micro electro-cylinder with double closed loop according to claim 1, wherein, Also include: control panel, the control panel is set in the housing, for controlling the motor.

8. The integrated micro electro-cylinder with double closed loop according to claim 1, wherein, The transmission part and the output part are integrated.

9. The integrated micro electro-cylinder with double closed loop according to claim 1, wherein, The other end of the output part is provided with connecting hole.

10. The integrated micro electro-pneumatic cylinder of claim 1, wherein, The housing is composed of first shell, second shell and third shell connected with each other in sequence.

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