CN220711285U - Encoder and travel switch mounting structure for fixed shaft linear motor - Google Patents
Encoder and travel switch mounting structure for fixed shaft linear motor Download PDFInfo
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- CN220711285U CN220711285U CN202322441916.8U CN202322441916U CN220711285U CN 220711285 U CN220711285 U CN 220711285U CN 202322441916 U CN202322441916 U CN 202322441916U CN 220711285 U CN220711285 U CN 220711285U
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- encoder
- travel switch
- fixed
- connector
- linear motor
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- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 3
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Abstract
The utility model provides a mounting structure of a fixed shaft linear motor incremental encoder and a travel switch, which is characterized in that: the encoder connector is fixedly connected to the rear end shell of the fixed shaft motor; the code disc fixing shaft is fixed on a rotating shaft of the fixing shaft motor; the encoder PCB is fixed on the encoder base, and the encoder base is fixed on the encoder connector; the code disc is fixed on the code disc fixing shaft; the encoder protective cover is fixedly connected to the encoder base; the encoder connector is provided with two travel switch mounting screw holes; the two sides of the travel switch bracket are provided with support arms which axially extend out; two support arms of the travel switch support are positioned on the outer side of the encoder protective cover; the screw passes through the axial through hole on the support arm of the travel switch bracket and then is screwed into the travel switch mounting screw hole of the encoder base; the external thread section of the travel switch is screwed in the axial screw hole of the travel switch bracket; the encoder wire harness is connected with the encoder PCB. The utility model realizes the integrated installation of the fixed shaft linear motor encoder and the travel switch.
Description
Technical Field
The utility model belongs to the field of linear motors, and particularly relates to a mounting structure of an encoder and a travel switch added to a linear motor with a fixed shaft.
Background
The fixed shaft linear motor has stable quality, small volume, large thrust, selectable specifications of various step sizes and wide market application. However, due to the open-loop control characteristic of the stepping motor, for special application environments requiring closed-loop control, the client needs to add an additional electric signal feedback system, so that the cost of the client product is increased, and the market share of the linear motor is restricted.
For realizing closed-loop control of the motor, a common solution for a fixed-axis linear motor is to add an encoder to the linear motor.
In order to realize the control of the axial stroke position of the motor, a common solution for a fixed shaft linear motor is to add a stroke switch for the linear motor.
For special application environments of clients, the fixed-axis linear motor is added with an encoder and a travel switch structure at the same time, so that a synchronous control scheme is realized, and the fixed-axis linear motor has become a market demand.
Disclosure of Invention
The utility model provides a mounting structure for a fixed shaft linear motor additionally provided with an encoder and a travel switch, and aims to solve the defects in the prior art and realize the integrated mounting of the fixed shaft linear motor encoder and the travel switch.
The technical scheme adopted for solving the technical problems is as follows:
the fixed shaft linear motor increases encoder and travel switch mounting structure, its characterized in that:
the encoder connector is fixedly connected to the rear end shell of the fixed shaft motor;
the code disc fixing shaft is fixed on a rotating shaft of the fixing shaft motor;
the encoder PCB is fixed on the encoder base, and the encoder base is fixed on the encoder connector;
the code disc is fixed at the end part of the code disc fixing shaft;
the encoder protective cover is fixedly connected to the encoder base;
the encoder connector is provided with two travel switch mounting screw holes;
the two sides of the travel switch bracket are provided with support arms which axially extend, and the support arms are provided with axial through holes;
two support arms of the travel switch support are positioned on the outer side of the encoder protective cover; the screw passes through the axial through hole on the support arm of the travel switch support and then is screwed into the travel switch mounting screw hole of the encoder base, so that the travel switch support is fixedly connected to the encoder base;
the external thread section of the travel switch is screwed in the axial screw hole of the travel switch bracket;
the encoder wire harness is connected with the encoder PCB.
The front end face of the encoder connector is a welding spigot, and two encoder mounting screw holes which are symmetrical relative to the axis are formed in the rear end face of the encoder connector.
The welding spigot of the encoder connector is fixedly connected with the rear end shell of the fixed shaft motor in a welding way.
The screw passes through the through hole of the encoder PCB and the through hole of the encoder base and is arranged in the encoder mounting screw hole of the encoder connector.
The inserting sheet of the encoder base is inserted into the inserting slot of the encoder protecting cover to fixedly connect the encoder protecting cover and the encoder base.
The encoder wire harness passes through the notch of the side wall of the encoder protective cover and then is connected with the encoder PCB.
The utility model has the advantages that:
according to the utility model, through innovative design, the special structure encoder connector and the travel switch bracket part are added, and the two support arms of the travel switch bracket avoid spatial interference on the encoder structure, so that the integrated installation of the fixed shaft linear motor encoder and the travel switch is realized, and the closed loop synchronous control function of the stepping motor is realized; the utility model has the advantages that other parts are mass production parts of the existing fixed shaft linear motor, no other new mould and new part requirements are needed, and the product cost is low.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an exploded perspective view of the present utility model;
FIG. 3 is a front view of an encoder connector;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a rear view of the encoder connector;
FIG. 6 is a front view of the travel switch bracket;
FIG. 7 is a side view of the travel switch bracket;
fig. 8 is a rear view of the travel switch bracket.
Detailed Description
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art. In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "bottom," and the like as used in this specification refer to an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be hooked up and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 3, 4 and 5:
the encoder connector 3 has two symmetrical lugs 31 of relative axis, offer the travel switch and install the screw 32 on the lug 31, the front end of the encoder connector 3 is the welded spigot 33, the back end of the encoder connector 3 has two symmetrical encoder and install the screw 34 of relative axis, the encoder connector 3 has shaft hole 30.
As shown in fig. 6, 7 and 8:
the two sides of the travel switch bracket 9 are provided with support arms 91 which extend axially, the support arms 91 are provided with axial through holes 92, the travel switch bracket 9 is provided with an axial screw hole 90, and the travel switch bracket 9 is also provided with a concentricity positioning boss 93 which is coaxial with the axial hole 90.
As shown in fig. 1 and 2:
the installation steps are as follows:
1: welding the welding spigot 33 of the encoder connector 3 to the rear end housing of the stationary shaft motor 1;
2: fixedly assembling the code wheel fixing shaft 2 to a rotating shaft of the fixing shaft motor 1;
3: after passing through the through hole 61 of the encoder PCB 6 and the through hole 41 of the encoder base 4 by the screw 5, screwing into the encoder mounting screw hole 34 of the encoder connector 3 to fix the encoder PCB 6 on the encoder base 4, and fixing the encoder base 4 on the encoder connector 3;
4: the fitting code wheel 7 is fixed to an end of the code wheel fixing shaft 2;
5: inserting the insert 42 of the encoder housing 4 into the slot 82 of the encoder housing 8, thereby fixedly assembling the encoder housing 8 to the encoder housing 4;
6: the two support arms 91 of the travel switch bracket 9 are positioned on the outer side of the encoder protection cover 8, and the travel switch mounting screw holes 32 of the encoder base 4 are screwed into the travel switch mounting screw holes 32 of the encoder base 4 after the screws 10 pass through the axial through holes 92 on the travel switch bracket 9, so that the travel switch bracket 9 is assembled to the encoder base 4;
7: the external thread section of the travel switch 11 is screwed into the axial screw hole 90 of the travel switch bracket 9, so that the travel switch 11 is assembled to the travel switch bracket 9;
8: the encoder harness 12 is connected to the encoder PCB board 6 after passing through the notch 81 of the side wall of the encoder shield 8, thereby assembling the encoder harness 12 to the encoder PCB board 6.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The fixed shaft linear motor increases encoder and travel switch mounting structure, its characterized in that: the encoder connector is fixedly connected to the rear end shell of the fixed shaft motor; the code disc fixing shaft is fixed on a rotating shaft of the fixing shaft motor; the encoder PCB is fixed on the encoder base, and the encoder base is fixed on the encoder connector; the code disc is fixed at the end part of the code disc fixing shaft; the encoder protective cover is fixedly connected to the encoder base; the encoder connector is provided with two travel switch mounting screw holes; the two sides of the travel switch bracket are provided with support arms which axially extend, and the support arms are provided with axial through holes; two support arms of the travel switch support are positioned on the outer side of the encoder protective cover; the screw passes through the axial through hole on the support arm of the travel switch support and then is screwed into the travel switch mounting screw hole of the encoder base, so that the travel switch support is fixedly connected to the encoder base; the external thread section of the travel switch is screwed in the axial screw hole of the travel switch bracket; the encoder wire harness is connected with the encoder PCB.
2. The fixed axis linear motor incremental encoder and travel switch mounting structure of claim 1 wherein: the front end face of the encoder connector is a welding spigot, and two encoder mounting screw holes which are symmetrical relative to the axis are formed in the rear end face of the encoder connector.
3. The fixed axis linear motor incremental encoder and travel switch mounting structure of claim 2 wherein: the welding spigot of the encoder connector is fixedly connected with the rear end shell of the fixed shaft motor in a welding way.
4. The fixed axis linear motor incremental encoder and travel switch mounting structure of claim 1 wherein: the screw passes through the through hole of the encoder PCB and the through hole of the encoder base and is arranged in the encoder mounting screw hole of the encoder connector.
5. The fixed axis linear motor incremental encoder and travel switch mounting structure of claim 1 wherein: the inserting sheet of the encoder base is inserted into the inserting slot of the encoder protecting cover to fixedly connect the encoder protecting cover and the encoder base.
6. The fixed axis linear motor incremental encoder and travel switch mounting structure of claim 1 wherein: the encoder wire harness passes through the notch of the side wall of the encoder protective cover and then is connected with the encoder PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322441916.8U CN220711285U (en) | 2023-09-08 | 2023-09-08 | Encoder and travel switch mounting structure for fixed shaft linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322441916.8U CN220711285U (en) | 2023-09-08 | 2023-09-08 | Encoder and travel switch mounting structure for fixed shaft linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220711285U true CN220711285U (en) | 2024-04-02 |
Family
ID=90451985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322441916.8U Active CN220711285U (en) | 2023-09-08 | 2023-09-08 | Encoder and travel switch mounting structure for fixed shaft linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220711285U (en) |
-
2023
- 2023-09-08 CN CN202322441916.8U patent/CN220711285U/en active Active
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