CN215452720U - Simple assembly tool for small split charging type direct current torque motor - Google Patents
Simple assembly tool for small split charging type direct current torque motor Download PDFInfo
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- CN215452720U CN215452720U CN202121256452.8U CN202121256452U CN215452720U CN 215452720 U CN215452720 U CN 215452720U CN 202121256452 U CN202121256452 U CN 202121256452U CN 215452720 U CN215452720 U CN 215452720U
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- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
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- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
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Abstract
The utility model provides a simple assembly tool for a small split charging type direct current torque motor, which comprises a driving connecting part and a motor rotor connecting part; the motor rotor connecting part is provided with a connecting flange and a connecting column for connecting with the driving connecting part; the connecting flange is provided with a matching hole corresponding to the connecting hole of the motor rotor to be installed; the motor rotor connecting hole to be installed refers to a connecting hole for connecting the motor rotor and the motor rotating shaft; the hole distribution is divided into two groups according to the hole diameter, the hole diameter of the first group of hole distribution is consistent with the outer diameter of a screw cap of a rotor screw, and the hole diameter of the second group of hole distribution is consistent with the outer diameter of a screw rod of a mounting screw; the rotor screw is a screw for connecting the motor rotor with the motor rotating shaft, and the mounting screw is a screw for connecting the connecting flange with the motor rotor. The utility model has simple structure principle, can be manually assembled and also can be installed on machine tool equipment for assembly, has flexible assembly mode and strong adaptability, has no strict requirement on the equipment, and is very suitable for the small-batch assembly production of single pieces of the motor.
Description
Technical Field
The utility model relates to the technical field of assembly of direct-current torque motors, in particular to a simple assembly tool for a small split-type direct-current torque motor.
Background
A certain type of split charging type direct current torque motor consists of a motor stator 4, a motor rotor 7 and a brush holder 5, and as shown in figure 1, the mounting sequence is that the motor stator 4 is firstly matched with a machine shell 1 for mounting and is tightened by a stator screw 3; and then the motor rotor 7 is installed with the motor rotating shaft 2 in a sliding fit manner, and after the coaxiality and the relative position of the stator and the rotor are ensured, the rotor is fastened by a rotor screw 6. Based on the structural characteristics and the material characteristics of the split permanent magnet direct current torque motor, in order to avoid the absorption deviation, the stator and the rotor are required to be in a coaxial state during installation, and the rotor is required to gradually enter a magnetic field from the outer end of the stator until reaching a magnetic field balance area, and the stator and the rotor reach a relatively stable state.
The assembly difficulty is that the motor stator 4 and the motor rotor 7 are made of magnetic materials and have high magnetism, and if the positions are slightly deviated during installation, the rotors are adsorbed on the stator. If the rotor is absorbed to be deflected during assembly, the impact force at the moment of absorption is very large, the magnetic steel sheets embedded on the surfaces of the stator and the rotor can be damaged, and the performance of the motor can be unstable.
For the installation of the motor rotor, the rotor and the motor rotating shaft are connected and fixed, the two rotor assemblies, the rotor assembly and the stator assembly slide relatively, the motor rotor assembly slides into a proper position, and then the motor rotor assembly is fixedly installed.
The tool adopting the idea has the advantages of complex design, high precision requirement, long period and high cost, has certain requirements on installation equipment, is suitable for batch production and is not suitable for single-piece production, and the site of scientific research and production is difficult to have the conditions.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a simple assembly tool for a small split-charging type direct current torque motor.
The tool is divided into two parts, wherein one part is a universal part and comprises a connecting rod and an operating handle if necessary, the universal part mainly plays a role in driving and connecting and is used as a force application component of an operator or a part connected with a machine tool when the universal part is used for manual installation or machine tool installation; the other part is a special part and mainly comprises a flange and a guide rod if necessary, the flange plays a role of connecting with a motor rotor to be installed, and the special part is mainly characterized in that the aperture of a matched hole on the flange surface is divided into two groups which are alternately changed, the aperture of the matched hole of one group is consistent with the outer diameter of a screw cap of a rotor screw, the aperture of the matched hole of the other group is consistent with the outer diameter of a screw rod of an installation screw, in addition, the flange hole on the motor rotor to be installed is partially modified, and the flange hole corresponding to the installation screw on the motor rotor is modified into a threaded hole.
The technical scheme of the utility model is as follows:
the simple assembly tool for the small split charging type direct current torque motor comprises a driving connecting part and a motor rotor connecting part;
the motor rotor connecting part is provided with a connecting flange and a connecting column used for being connected with the driving connecting part; the connecting flange is provided with a matching hole corresponding to the position of the connecting hole of the motor rotor to be installed; the motor rotor connecting hole to be installed refers to a connecting hole for connecting the motor rotor and the motor rotating shaft; the hole matching is divided into two groups according to the hole diameter, the hole diameter of the first group of hole matching is consistent with the outer diameter of a screw cap of a rotor screw, and the hole diameter of the second group of hole matching is consistent with the outer diameter of a screw rod of a mounting screw; the rotor screw is a screw for connecting the motor rotor with the motor rotating shaft, and the mounting screw is a screw for connecting the connecting flange with the motor rotor; and the motor rotor connecting hole corresponding to the second assembling hole is made into a threaded hole;
the driving connection member is connected to one end of the connection column for inputting an external driving force.
Further, the connecting column is provided with a central through hole, and an internal thread is arranged in the central through hole and is used for being connected with the driving connecting component.
Furthermore, the drive connecting part comprises a connecting rod, one end of the connecting rod is provided with an external thread which can be connected with a machine tool, and the other end of the connecting rod is coaxially and fixedly connected with one end of the central through hole of the connecting column.
Furthermore, the connecting rod is provided with a through hole vertical to the axis of the connecting rod, and a handle can be arranged in the through hole of the connecting rod to be used as a force application component.
Furthermore, two groups of matching holes on the connecting flange are alternately distributed along the circumferential direction.
Further, when the motor rotor and the motor rotating shaft are provided with a central through hole, the motor rotor connecting component also comprises a guide rod; the guide rod is coaxially and fixedly installed at the front end of the connecting flange, and can be in clearance fit with the central through hole of the motor rotor and the motor rotating shaft.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
the simple assembly tool for the small split charging type direct current torque motor is formed by combining a universal part and a special part, and is low in production cost, short in period and high in universality; the special part can be modified according to different sizes of motors to complete assembly work. The utility model has simple structure principle, can be manually assembled and also can be installed on machine tool equipment for assembly, has flexible assembly mode and strong adaptability, has no strict requirement on the equipment, and is very suitable for the small-batch assembly production of single pieces of the motor.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1: a motor assembly schematic diagram;
FIG. 2: a tool schematic diagram;
FIG. 3: a flange hole schematic;
FIG. 4: a schematic diagram of a motor rotor flange hole modification;
FIG. 5: a motor rotor installation schematic diagram;
wherein: 1 casing 2 motor shaft 3 stator screw 4 motor stator 5 brush yoke 6 rotor screw 7 motor rotor 8 handle 9 connecting rod 10 flange 11 guide bar 12 mounting screw.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the embodiment, the simple assembly tool for the small split charging type direct current torque motor comprises a driving connecting part and a motor rotor connecting part; the driving connecting part is a universal part, and the motor rotor connecting part is a special part and can be modified according to different motors.
The motor rotor connecting part is provided with a connecting flange and a connecting column used for being connected with the driving connecting part; the connecting flange is provided with a matching hole corresponding to the position of the connecting hole of the motor rotor to be installed; the motor rotor connecting hole to be installed refers to a connecting hole for connecting the motor rotor and a motor rotating shaft.
The matching holes are divided into two groups according to the aperture, the aperture of the first group of matching holes is consistent with the outer diameter of a screw cap of a rotor screw, namely, screw head through holes, and the aperture of the second group of matching holes is consistent with the outer diameter of a screw rod of a mounting screw, namely, screw through holes; the rotor screw is a screw for connecting the motor rotor with the motor rotating shaft, and the mounting screw is a screw for connecting the connecting flange with the motor rotor; the two groups of matching holes are alternately distributed along the circumferential direction, as shown in figure 3; and the motor rotor connecting hole corresponding to the second assembling hole is changed into a threaded hole, so that the connecting flange can be connected with the motor rotor by utilizing a mounting screw.
The connecting column is provided with a central through hole, and internal threads are arranged in the central through hole and are used for being connected with the driving connecting component. The driving connection member is connected to one end of the connection column for inputting an external driving force.
The driving connecting part comprises a connecting rod, one end of the connecting rod is provided with an external thread which can be connected with a machine tool, and the other end of the connecting rod is coaxially and fixedly connected with one end of the central through hole of the connecting column. And the connecting rod is provided with a through hole vertical to the axis of the connecting rod, and a handle can be arranged in the through hole of the connecting rod and used as a force application component during manual installation.
In addition, when the motor rotor and the motor rotating shaft are provided with a central through hole, the motor rotor connecting component also comprises a guide rod; the guide rod is coaxially and fixedly installed at the front end of the connecting flange, and can be in clearance fit with the central through hole of the motor rotor and the motor rotating shaft.
The assembly process using the assembly fixture provided by the utility model is given as follows:
1. according to the size of the connecting hole on the motor rotor 7, the modified part of the connecting hole is a threaded hole (modified at intervals of 1);
2. firstly, a motor stator 4 is installed at a correct position and is tightened by a stator screw 3;
3. connecting the flange 10 with the motor rotor 7 by using a mounting screw 12, and then connecting the connecting rod 9 with the flange 10 in a threaded manner;
4. installation:
the first method is as follows: (Manual installation)
The handle 8 is arranged on the connecting rod 9, the guide rod 11 is connected on the connecting rod 9 (if no central guide hole exists, the guide rod 11 is not arranged), the machine shell 1 is fixed, the handle 8 is held by hand, and the guide rod 11 is aligned with the central guide hole on the motor rotating shaft 2 and slowly slides in. After the motor rotor 7 is in place, the motor rotor 7 and the motor rotating shaft 2 are tightened by the rotor screws 6, then the mounting screws 12 are disassembled, the tool is taken out, and the rotor screws 6 are mounted and tightened in the rest hole positions. (the mode is generally used in occasions with small motor torque and low installation precision.)
The second method comprises the following steps: (installation of machine tool)
The upper end M thread of the connecting rod 9 is used for connecting with a machine tool. The guide rod 11 is connected to the connecting rod 9 (if there is no central guide hole, the guide rod 11 is not installed), the housing 1 is fixed, and the meter is aligned to be coaxial with the motor stator 4. The machine tool is operated to slide the motor rotor 7 slowly in. After the motor rotor 7 is in place, the motor rotor 7 and the motor rotating shaft 2 are tightened by the rotor screws 6, then the mounting screws 12 are disassembled, the tool is taken out, and the rotor screws 6 are mounted and tightened in the rest hole positions.
5. And finally, installing the electric brush frame 5, and finishing the motor assembly.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (6)
1. The utility model provides a simple and easy assembly fixture of small-size partial shipment formula direct current torque motor which characterized in that: comprises a driving connecting part and a motor rotor connecting part;
the motor rotor connecting part is provided with a connecting flange and a connecting column used for being connected with the driving connecting part; the connecting flange is provided with a matching hole corresponding to the position of the connecting hole of the motor rotor to be installed; the motor rotor connecting hole to be installed refers to a connecting hole for connecting the motor rotor and the motor rotating shaft; the hole matching is divided into two groups according to the hole diameter, the hole diameter of the first group of hole matching is consistent with the outer diameter of a screw cap of a rotor screw, and the hole diameter of the second group of hole matching is consistent with the outer diameter of a screw rod of a mounting screw; the rotor screw is a screw for connecting the motor rotor with the motor rotating shaft, and the mounting screw is a screw for connecting the connecting flange with the motor rotor; and the motor rotor connecting hole corresponding to the second assembling hole is made into a threaded hole;
the driving connection member is connected to one end of the connection column for inputting an external driving force.
2. The simple assembling tool for the small split charging type direct current torque motor according to claim 1, characterized in that: the connecting column is provided with a central through hole, and internal threads are arranged in the central through hole and are used for being connected with the driving connecting component.
3. The simple assembling tool for the small split charging type direct current torque motor according to claim 2, characterized in that: the driving connecting part comprises a connecting rod, one end of the connecting rod is provided with an external thread which can be connected with a machine tool, and the other end of the connecting rod is coaxially and fixedly connected with one end of the central through hole of the connecting column.
4. The simple assembling tool for the small split charging type direct current torque motor according to claim 3, characterized in that: the connecting rod is provided with a through hole vertical to the axis of the connecting rod, and a handle can be arranged in the through hole of the connecting rod and used as a force application component.
5. The simple assembling tool for the small split charging type direct current torque motor according to claim 1, characterized in that: two groups of matching holes on the connecting flange are alternately distributed along the circumferential direction.
6. The simple assembling tool for the small split charging type direct current torque motor according to claim 1, characterized in that: when the motor rotor and the motor rotating shaft are provided with a central through hole, the motor rotor connecting component also comprises a guide rod; the guide rod is coaxially and fixedly installed at the front end of the connecting flange, and can be in clearance fit with the central through hole of the motor rotor and the motor rotating shaft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021204347774 | 2021-02-26 | ||
| CN202120434777 | 2021-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215452720U true CN215452720U (en) | 2022-01-07 |
Family
ID=79709881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121256452.8U Active CN215452720U (en) | 2021-02-26 | 2021-06-06 | Simple assembly tool for small split charging type direct current torque motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215452720U (en) |
-
2021
- 2021-06-06 CN CN202121256452.8U patent/CN215452720U/en active Active
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