Tubular linear motor module

By designing a tube linear motor module and using linear bearings and linear shafts to form a guide system, the problem of unreliable braking and high noise in a small space is solved, and a compact, silent and high-precision application effect is achieved.

CN223181990UActive Publication Date: 2025-08-01CONTROLWAY
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Patent Information

Application Number
CN202422175480.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-08-01
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The existing linear motor modules are large in size, unreliable braking, poor accuracy and high noise when using cylinders, and cannot be effectively used in small spaces.

Method used

The tube linear motor module is adopted, and the guide system is composed of linear bearings and linear shafts. The motor magnetic rod and fixed motor coil are used to combine the heat sink and the heat dissipation fan to improve braking reliability and accuracy.

Benefits of technology

It realizes a compact structural design, improves braking reliability and positioning accuracy, reduces noise, and is suitable for small space applications.

✦ Generated by Eureka AI based on patent content.

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Abstract

A tubular linear motor module comprises a flange, the flange is provided with a coil mounting hole and a linear bearing mounting hole which penetrate through the two ends, a coil is fixedly arranged in the coil mounting hole, a magnetic rod is arranged in the coil in a penetrating mode, a linear bearing is fixedly arranged in the linear bearing mounting hole, and a linear shaft is arranged in the linear bearing in a sliding mode. And the front end plate is arranged at the front end of the flange and is fixedly connected with the magnetic rod and the front end of the linear shaft at the same time. According to the tubular linear motor module provided by the utility model, the tubular linear motor is adopted to replace an air cylinder to be used in clamping, lifting and other applications; the linear bearings and the linear shafts form a guide system which is more compact than a common linear guide rail; movement of the cable is avoided by moving a motor magnetic rod and fixing a motor coil. Compared with a traditional air cylinder structure, the scheme has the advantages of being reliable in braking, high in precision, free of noise and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of linear motor modules, and particularly relates to a tubular linear motor module. Background Art

[0002] At present, linear motor modules mainly consist of linear motors, linear guides, encoder measurement systems, etc. The linear motor module integrating various components is relatively large in size and adopts the method of moving the motor coil, and the cables of the motor and the encoder will move accordingly. In applications such as clamping and lifting, guide rod cylinders are mostly used now. However, due to the compressibility of gas, the braking of the cylinder is unreliable, and the disadvantages of poor accuracy and high noise of the cylinder cannot be avoided. Also, because the application space is small, an ordinary linear motor module cannot be used.

[0003] Therefore, in view of the deficiencies of the existing technology, it is necessary to design a tubular linear motor module to solve the above problems. Summary of the Utility Model

[0004] In order to overcome the above deficiencies in the existing technology, the purpose of the utility model is to provide a tubular linear motor module.

[0005] To achieve the above purpose and other related purposes, the technical solution provided by the utility model is: a tubular linear motor module, including a flange, wherein through holes for installing a coil and a linear bearing are provided at both ends of the flange, a coil is fixedly arranged in the coil installation hole, a magnetic rod passes through the coil, a linear bearing is fixedly arranged in the linear bearing installation hole, and a linear shaft is slidably arranged in the linear bearing; it further includes a front end plate, and the front end plate is arranged at the front end of the flange and is fixedly connected to the front ends of both the magnetic rod and the linear shaft simultaneously.

[0006] A preferred technical solution is: it further includes a retaining ring, and the retaining ring is fixedly arranged at the rear end of the linear shaft.

[0007] A preferred technical solution is: a plurality of groups of heat dissipation grooves are formed on the surface of the flange.

[0008] A preferred technical solution is: it further includes a cooling fan, and the cooling fan is fixedly arranged on the flange.

[0009] A preferred technical solution is: the cooling fan is locked to the flange through studs.

[0010] A preferred technical solution is: the magnetic rod and the front end plate are connected through a floating joint.

[0011] Due to the application of the above technical solution, the beneficial effects of the utility model are:

[0012] A tubular linear motor module proposed by the present utility model uses a tubular linear motor to replace the use of a cylinder in applications such as clamping and lifting; a guiding system composed of linear bearings and linear shafts is utilized, which is more compact than ordinary linear guides; the method of using a moving motor magnetic rod and a fixed motor coil avoids the movement of cables; compared with the traditional cylinder structure, this solution has the characteristics of reliable braking, high precision, and no noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic structural diagram of the tubular linear motor module related to the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand the other advantages and effects of the present utility model from the content disclosed in this specification.

[0015] Please refer to Figure 1 . It should be noted that in the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model 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 of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance. The terms "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0016] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0017] Embodiment:

[0018] As Figure 1As shown in the figure, according to a general technical concept of the present utility model, a tubular linear motor module is provided, which includes a flange 1. The flange 1 is provided with a coil mounting hole and a linear bearing mounting hole penetrating through both ends. A coil 2 is fixedly arranged in the coil mounting hole, a magnetic rod 3 is penetrated through the coil 2, a linear bearing 4 is fixedly arranged in the linear bearing mounting hole, and a linear shaft 5 is slidably arranged in the linear bearing 4. It further includes a front end plate 6, and the front end plate 6 is arranged at the front end of the flange 1 and is fixedly connected to the front end of both the magnetic rod 4 and the linear shaft 5 at the same time.

[0019] It should be noted that there are two linear bearing mounting holes, which are respectively arranged on the left and right sides of the coil mounting hole. There are two linear bearings 4, which are respectively fixedly arranged in the two linear bearing mounting holes. There are two linear shafts 5, which are slidably arranged in the two linear bearings 4 in a one-to-one correspondence. The above structure constitutes a guiding structure for guiding the reciprocating movement of the magnetic rod 3 in the coil 2. The flange 1 serves as both the heat dissipation part of the entire linear motor module and undertakes the functions of connecting the power part, guiding part, and heat dissipation part of the linear module. The front end plate 6 serves as a connecting plate for the load.

[0020] As Figure 1 shown, in an exemplary embodiment of the present utility model, it further includes a retaining ring 7, and the retaining ring 7 is fixedly arranged at the rear end of the linear shaft 5 to prevent the flange 1 from slipping off.

[0021] As Figure 1 shown, in an exemplary embodiment of the present utility model, the surface of the flange 1 is provided with multiple groups of heat dissipation grooves for increasing the heat dissipation area and improving the heat dissipation effect.

[0022] As Figure 1 shown, in an exemplary embodiment of the present utility model, it further includes a cooling fan 8, and the cooling fan 8 is fixedly arranged on the flange 1, further improving the heat dissipation effect to facilitate the continuous operation of the linear motor module.

[0023] As Figure 1 shown, in an exemplary embodiment of the present utility model, the cooling fan 8 is locked to the flange 1 through studs, and the studs are used to raise the installation height of the cooling fan 8, increasing the air flow and improving the heat dissipation effect.

[0024] As Figure 1 shown, in an exemplary embodiment of the present utility model, the magnetic rod 3 and the front end plate 6 are connected through a floating joint to reduce the assembly difficulty.

[0025] 1. Compact structure, which can save installation space;

[0026] 2. Driven by electricity, quiet without noise on site;

[0027] 3. The tubular linear motor can achieve full-stroke flexible control with high positioning accuracy;

[0028] 4. The braking of the motor is reliable.

[0029] Therefore, the utility model has the following advantages:

[0030] A tubular linear motor module proposed by the utility model uses a tubular linear motor to replace the cylinder in applications such as clamping and lifting; a guiding system composed of linear bearings and linear shafts is adopted, which is more compact than ordinary linear guides; the way of using a moving motor magnetic rod and a fixed motor coil avoids the movement of cables; compared with the traditional cylinder structure, this solution has the characteristics of reliable braking, high precision, and no noise.

[0031] The above embodiments are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A tubular linear motor module, characterized in that: It includes a flange. There are coil mounting holes and linear bearing mounting holes penetrating through both ends on the flange. A coil is fixedly installed in the coil mounting hole, a magnetic rod passes through the coil, a linear bearing is fixedly installed in the linear bearing mounting hole, and a linear shaft slides in the linear bearing. It also includes a front end plate, which is arranged at the front end of the flange and is fixedly connected to the front ends of both the magnetic rod and the linear shaft at the same time.

2. The tubular linear motor module according to claim 1, wherein: It also includes a retaining ring, which is fixedly installed at the rear end of the linear shaft.

3. The tubular linear motor module according to claim 1, wherein: Multiple groups of heat dissipation grooves are formed on the surface of the flange.

4. A tubular linear motor module according to claim 1, characterized in that: It also includes a cooling fan, which is fixedly installed on the flange.

5. A tubular linear motor module according to claim 4, characterized in that: The cooling fan is locked to the flange through studs.

6. The tubular linear motor module according to claim 1, characterized in that: The magnetic rod is connected to the front end plate through a floating joint.