CN207218450U - Fixed shaft type lead screw motor - Google Patents
Fixed shaft type lead screw motor Download PDFInfo
- Publication number
- CN207218450U CN207218450U CN201720834414.3U CN201720834414U CN207218450U CN 207218450 U CN207218450 U CN 207218450U CN 201720834414 U CN201720834414 U CN 201720834414U CN 207218450 U CN207218450 U CN 207218450U
- Authority
- CN
- China
- Prior art keywords
- armature spindle
- sleeve
- end cap
- screw mandrel
- projecting shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of fixed shaft type lead screw motor,The both ends of armature spindle are fixed with bearing respectively,Armature spindle is fastened with rotor circumferentially,One end of the screw mandrel extend into the endoporus of armature spindle and fastened with armature spindle,One end of sleeve is fixedly connected with first end cap,Also include air plug,Sliding nut,Support,Second end cap is provided with pilot hole,One end of the air plug is connected in pilot hole,The other end of sleeve is connected with support,The sliding nut is slidably fitted in sleeve,The other end of the screw mandrel passes through armature spindle and extend into sleeve and is threadedly coupled with the sliding nut,One end of the projecting shaft is provided with hole,Projecting shaft sets porose one end to extend into, and sleeve is interior and empty set is rear on screw mandrel is fixedly connected with sliding nut,The other end of projecting shaft is through support and exposes in atmosphere,Seal is provided between projecting shaft and support.The utility model has the advantages of good airproof performance.
Description
Technical field
It the utility model is related to drive technology field, and in particular to a kind of fixed shaft type lead screw motor.
Background technology
Fixed shaft type screw mandrel linear electric motors are a kind of effective linear transmission mechanisms, it is possible to reduce sliding in linear transmission mechanism
The devices such as rail, belt wheel, the use of client is greatly facilitated, be widely used in first motion scheme.
As shown in figure 4, the basic structure of existing fixed spindle motor is：Including motor body, in sleeve-shaped slide rail and
Fixing axle, coordinated in the slide rail of sleeve-shaped and the end cap of motor body by screw thread to fasten, the axle body of fixing axle is slidably matched
After in slide rail, one end of fixing axle is fixedly connected positioned at sliding outside, the other end of fixing axle with screw mandrel.In above-mentioned connection
In structure, because slide rail is screw thread cooperation with end cap and fasten, due to being that threaded connection can be formed between two slide rails and end cap
Gap, therefore thread fiting mode can not ensure the concentricity of slide rail and motor body, easily cause axial direction and the electricity of fixing axle
Occurs angle between machine body axial direction, motor body and slide rail concentricity be bad to be influenceed motor performance (fixing axle is vertically
Slide rail has stuck risk in sliding process).
In addition, the fixing axle lead screw motor of upper ribose, be provided with mounting hole at end cap, the lead-out wire (wire) of motor from
Drawn at mounting hole, because after mounting hole extraction wire, mounting hole can not be sealed effectively, so as to cause motor
Sealing is poor, and aqueous vapor easily enters motor internal from mounting hole, and the parts such as rotor and coil are damaged.
The content of the invention
The purpose of this utility model is the fixation shaft type lead screw motor for providing a kind of good airproof performance.
The technical scheme for solving above-mentioned technical problem is as follows：
Fixed shaft type lead screw motor, including stator, rotor, bearing, the first end cap, the second end cap, the rotor with endoporus
Axle, screw mandrel, sleeve, projecting shaft, rotor are located in stator, and the both ends of stator are fixed with the first end cap and the second end cap respectively to be connected
Connect, the bearing is fixed in the first end cap and the first end cap, after armature spindle passes through rotor, the both ends of armature spindle respectively with bearing
Fixed, armature spindle is fastened with rotor circumferentially, and one end of the screw mandrel is extend into the endoporus of armature spindle and and armature spindle
Fastening, one end of sleeve is fixedly connected with first end cap, in addition to air plug, sliding nut, support, on second end cap
Provided with pilot hole, one end of the air plug is connected in pilot hole, and the other end of sleeve is connected with support, and the sliding nut is slided
Dynamic to coordinate in sleeve, the other end of the screw mandrel passes through armature spindle and extend into sleeve to be connected with the sliding nut screw thread
Connect, one end of the projecting shaft is provided with hole, projecting shaft set porose one end extend into sleeve and empty set on screw mandrel after with
Sliding nut is fixedly connected, and the other end of projecting shaft through support and exposes in atmosphere, is provided between projecting shaft and support close
Sealing.
Also including clamp nut, the endoporus of the armature spindle is that at least a portion of stepped hole and the endoporus is taper hole section,
The part that the screw mandrel is extend into armature spindle endoporus is tapered, and screw mandrel connects after passing through the taper hole section of armature spindle with clamp nut
Connect.
The sliding nut passes through pin connection with projecting shaft.
The advantages of the utility model is：By setting air plug on the second end cap, will be set by air plug on the second end cap
Wire hole sealed, avoid aqueous vapor from entering the inside of motor, and be provided with seal between projecting shaft and support, keep away
Gap of the aqueous vapor between support and projecting shaft is exempted from and has entered motor internal, so, motor obtains extraordinary sealing.
Brief description of the drawings
Fig. 1 is the structural representation of fixed shaft type lead screw motor of the present utility model；
Fig. 2 is the schematic diagram of the utility model middle sleeve；
Fig. 3 is the schematic diagram of sliding nut in the utility model；
Fig. 4 is the schematic diagram of fixed lead screw motor of the prior art；
1 be stator, 2 be rotor, 3 be bearing, 4 be the first end cap, 5 be the second end cap, 5a be pilot hole, 6 be armature spindle,
7 it is screw mandrel, 8 be sleeve, 9 be projecting shaft, 10 be clamp nut, 11 be air plug, 12 be sliding nut, 13 be support, 14 is axle
Set, 15 are sealing ring.
Embodiment
As shown in Figure 1 to Figure 3, fixed shaft type lead screw motor of the present utility model, including stator 1, rotor 2, bearing 3,
One end cap 4, the second end cap 5, the armature spindle 6 with endoporus, screw mandrel 7, sleeve 8, projecting shaft 9, clamp nut 10, air plug 11, cunning
Dynamic nut 12, support 13, rotor 2 are located in stator 1, and the both ends of stator 1 are fixed with the first end cap 4 and the second end cap 5 respectively to be connected
Connecing, the bearing 3 is fixed in the first end cap 4 and the first end cap 5, after armature spindle 6 passes through rotor 2, the both ends difference of armature spindle 6
Fixed with bearing 3, armature spindle 6 is fastened with rotor 2 circumferentially, and one end of the screw mandrel 7 is extend into the endoporus of armature spindle 6
And fastened with armature spindle 6, the endoporus of the armature spindle 6 is that at least a portion of stepped hole and the endoporus is taper hole section, the silk
The part that bar 7 is extend into armature spindle endoporus is tapered, and screw mandrel 7 is connected after passing through the taper hole section of armature spindle with clamp nut 10,
The step of clamp nut 10 and the stepped hole on armature spindle 6 is spacing, and the pulling force axial direction that screw mandrel 7 is applied by clamp nut 10
Cooperation that is mobile, passing through the conical surface plus screw mandrel 7 and armature spindle 6 so that together with screw mandrel 7 is tightly held in armature spindle 6.It is described
Second end cap 5 is provided with pilot hole 5a, and one end of the air plug 11 is connected in pilot hole 5a, and the wire in motor can be with boat
11 connections are inserted, outside wire is connected with air plug 11 again, because air plug 11 has good sealing, therefore, pilot hole 5a quilts
Air plug 11 seals, and so, aqueous vapor can not enter motor internal by pilot hole 5a, avoid the harm of motor.
One end of sleeve 8 is fixedly connected with first end cap 4, and step is provided with the axial end of the first end cap 4, should
Step extend into sleeve 8 and is interference fitted with sleeve, and straight pin is additionally provided with the axial end of the first end cap 4 (in figure not
Show), the axial end of sleeve 8 is provided with pilot hole, when the step interference fit of the end cap 4 of sleeve 8 and first, straight pin pair
Sleeve 8 forms guide effect, meanwhile, straight pin forms connection function again to the end cap 4 of sleeve 8 and first.The other end of sleeve 8
With support 13, the sliding nut 12 is slidably fitted in sleeve 8, chute is provided with sleeve 8, in the appearance of sliding nut 12
Face is provided with the sliding block matched with the chute on sleeve 8, and the sliding block is embedded into the chute.The endoporus of the nut 12 is platform
Rank hole, the diameter holes of the stepped hole are screwed hole.The other end of the screw mandrel 7 is through armature spindle 6 and extend into sleeve 8 and institute
State sliding nut 12 to be threadedly coupled, one end of the projecting shaft 9 is provided with hole, and projecting shaft 9 sets porose one end to extend into sleeve 8
Interior and empty set is rear on screw mandrel 7 to be fixedly connected with sliding nut 12, and the sliding nut 12 passes through pin connection with projecting shaft 9.Stretch
The other end of shaft 9 is through support 13 and exposes in atmosphere, seal is provided between projecting shaft 9 and support, the seal bag
Axle sleeve 14 and sealing ring 15 are included, annular groove, annular of the sealing ring 15 on axle sleeve 14 are provided with the internal face of axle sleeve 14
In groove, the gap of axle sleeve 14 coordinates in the endoporus of support 13 and is fastened as a whole with support 13, and projecting shaft 9 passes through axle sleeve 14, by
Sealing ring 15 seals to the gap between projecting shaft 9 and axle sleeve 14.
Claims (3)
1. fix shaft type lead screw motor, including stator, rotor, bearing, the first end cap, the second end cap, have endoporus armature spindle,
Screw mandrel, sleeve, projecting shaft, rotor are located in stator, and the both ends of stator are fixedly connected with the first end cap and the second end cap respectively, institute
Bearing to be stated to be fixed in the first end cap and the first end cap, after armature spindle passes through rotor, the both ends of armature spindle are fixed with bearing respectively,
Armature spindle is fastened with rotor circumferentially, and one end of the screw mandrel extend into the endoporus of armature spindle and fastened with armature spindle,
One end of sleeve is fixedly connected with first end cap, it is characterised in that：Also include air plug, sliding nut, support, described second
End cap is provided with pilot hole, and one end of the air plug is connected in pilot hole, and the other end of sleeve is connected with support, the slip
Nut is slidably fitted in sleeve, and the other end of the screw mandrel through armature spindle and is extend into sleeve and the sliding nut spiral shell
Line connects, and one end of the projecting shaft is provided with hole, and projecting shaft sets porose one end to extend into the interior simultaneously empty set of sleeve on screw mandrel
It is fixedly connected afterwards with sliding nut, the other end of projecting shaft through support and exposes in atmosphere, is set between projecting shaft and support
There is seal.
2. fixed shaft type lead screw motor according to claim 1, it is characterised in that：Also include clamp nut, the rotor
The endoporus of axle is that at least a portion of stepped hole and the endoporus is taper hole section, the part that the screw mandrel is extend into armature spindle endoporus
Tapered, screw mandrel is connected after passing through the taper hole section of armature spindle with clamp nut.
3. fixed shaft type lead screw motor according to claim 1, it is characterised in that：The sliding nut passes through with projecting shaft
Pin connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834414.3U CN207218450U (en) | 2017-07-11 | 2017-07-11 | Fixed shaft type lead screw motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834414.3U CN207218450U (en) | 2017-07-11 | 2017-07-11 | Fixed shaft type lead screw motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207218450U true CN207218450U (en) | 2018-04-10 |
Family
ID=61813059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720834414.3U Active CN207218450U (en) | 2017-07-11 | 2017-07-11 | Fixed shaft type lead screw motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207218450U (en) |
-
2017
- 2017-07-11 CN CN201720834414.3U patent/CN207218450U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: No.355, Longjin Road, Lucheng street, Changzhou Economic Development Zone, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu Dingzhi Intelligent Control Technology Co., Ltd Address before: 3 / F, building C, Tian'an industrial village, Changzhou City, Jiangsu Province 213000 Patentee before: CHANGZHOU DINGS' ELECTRICAL & MECHANICAL Co.,Ltd. |