CN207518402U - A kind of bistrique direct driving motor - Google Patents
A kind of bistrique direct driving motor Download PDFInfo
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- CN207518402U CN207518402U CN201721539942.2U CN201721539942U CN207518402U CN 207518402 U CN207518402 U CN 207518402U CN 201721539942 U CN201721539942 U CN 201721539942U CN 207518402 U CN207518402 U CN 207518402U
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- bearing
- casing
- main shaft
- bistrique
- driving motor
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Abstract
A kind of bistrique direct driving motor, including casing, main shaft, the stator being fixed in the casing, the rotor being fixed on main shaft and the feed mechanism for the main shaft to be driven to move axially back and forth, the rear and front end of the main shaft is rotatablely connected respectively by clutch shaft bearing and second bearing with the casing, further include two movable sleeves, the clutch shaft bearing and second bearing with axial restraint before and after the main shaft, described two movable sleeves are sheathed on respectively in clutch shaft bearing and second bearing, and the first driving section and the second driving section with axial two side contacts of clutch shaft bearing and second bearing respectively is respectively provided on two movable sleeves, described two movable sleeves are slidably matched respectively by the positioning pin of radial direction with chassis axial.The clutch shaft bearing and second bearing of the utility model can be synchronized with main shaft and be moved axially, and standard rolling bearing can be used, and avoid relatively moving between bearing and main shaft, it is not easy to bearing is damaged, it is at low cost.
Description
Technical field
The utility model is related to motor field more particularly to a kind of bistrique direct driving motors.
Background technology
Grinding head motor is equally also suitable because its excellent performance is widely used in grinding, bores the fields such as milling at present
In the miniature aperture of high-speed grinding bearing and raceway groove etc..
The main shaft of traditional grinding head motor is fixed on by bearing rotation on casing, when main shaft is fed axially back and forth, bearing
It is often relatively moved with main shaft, is easily damaged bearing, and for the axial movement for meeting main shaft, bearing is usually non-
Part is marked, supply is rare, of high cost.
Utility model content
Based on this, for above-mentioned technical problem, a kind of bistrique direct driving motor is provided.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of bistrique direct driving motor including casing, main shaft, the stator being fixed in the casing, is fixed on main shaft
Rotor and the feed mechanism for the main shaft to be driven to move axially back and forth, the rear and front end of the main shaft pass through first respectively
Bearing and second bearing are rotatablely connected with the casing, further include two movable sleeves, the clutch shaft bearing and second bearing
With axial restraint before and after the main shaft, described two movable sleeves are sheathed in clutch shaft bearing and second bearing, and two respectively
The first driving section and second respectively with axial two side contacts of clutch shaft bearing and second bearing is respectively provided on a movable sleeve
Driving section, described two movable sleeves are slidably matched respectively by the positioning pin of radial direction with chassis axial.
The feed mechanism includes rotatable driving lever and by lever, and the driving lever penetrates described from rear side level
Casing, and fixed by 3rd bearing and casing, described to be positioned horizontally in the casing by lever, its rear end and the driving lever
It is threadedly coupled, front end is connect with the rear end of the main shaft, and junction has fourth bearing.
The feed mechanism further includes cylinder and bearing block, and the back-end closure of the cylinder is described to be worn forward by lever
The rear end of the cylinder is crossed, and its front end has the piston portion being adapted to the cylinder, the piston portion is connect with the cylinder,
The rear end of the bearing block is connect with the cylinder, and closes the front end of the cylinder, is formed between the piston portion slow
Chamber is rushed, there is buffer medium in the cushion chamber, the fourth bearing is fixed in the bearing block.
The buffer medium is gas.
The driving lever is hollow tube, described to be stretched by the rear end of lever in the cavity of the driving lever, and the two screw thread
Connection.
The stage casing of the main shaft has the shoulder axially contact with the rear side of clutch shaft bearing and the front side of second bearing, institute
The both ends for stating main shaft are respectively provided with the first nut of the rear contact with the front side of clutch shaft bearing and second bearing.
On the inner wall of the movable sleeve there is step, form the first driving section, be threaded with and stretch on the movable sleeve
The second nut in movable sleeve forms the second driving section, the step is formed on rear side of the inner wall of the movable sleeve of corresponding clutch shaft bearing,
The rear contact of the step and clutch shaft bearing, the front side of the movable sleeve are connect with second nut, after second nut
End stretch into the movable sleeve and with the frontside contacts of clutch shaft bearing；Described in being formed on front side of the inner wall of the movable sleeve of corresponding second bearing
The frontside contacts of step, the step and second bearing, the rear side of the movable sleeve are connect with second nut, second nut
Front end stretch into the movable sleeve and with the rear contact of second bearing.
Axial sliding slot is respectively provided on the outer wall of described two movable sleeves, corresponding positioning pin is fixed on the casing,
And it slides and is set in corresponding sliding slot.
The casing includes main casing and the drive end bearing bracket and rear end cap positioned at the main casing both sides, the main casing
Upper to have hoisting ring, the drive end bearing bracket and rear end cap coordinate with the main casing seam allowance.
The interior intracavitary of the drive end bearing bracket has high-temperature grease and lubricating oil, close with skeleton between the main shaft and drive end bearing bracket
Seal structure.
The clutch shaft bearing and second bearing of the utility model can be synchronized with main shaft and be moved axially, and standard can be used
Bearing avoids relatively moving between bearing and main shaft, it is not easy to bearing is damaged, it is at low cost.
Description of the drawings
The utility model is described in detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is structure diagram of the utility model after feeding forward.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of bistrique direct driving motor including casing 110, main shaft 120, is fixed in casing 110
Stator 130,140, two movable sleeves 150 of rotor for being fixed on main shaft 120 and moved axially back and forth for driving spindle 120
Dynamic feed mechanism 160.
Casing 110 includes main casing 111 and positioned at the drive end bearing bracket 112 of 111 both sides of main casing and rear end cap 113, main
There is hoisting ring 111a, drive end bearing bracket 112 and rear end cap 113 coordinate with 111 seam allowance of main casing on housing 111.
Wherein, the interior intracavitary of drive end bearing bracket 112 has high-temperature grease and lubricating oil, has between main shaft 120 and drive end bearing bracket 112
Reinforced seal structure can effectively play lubrication and waterproof action, so as to be effectively protected bearing, improve product service life,
It avoids, in the water cooling step of product edging technique, causing motor entering water, bearing damage burn-down of electrical machinery.
The rear and front end of main shaft 120 passes through clutch shaft bearing 170 and second bearing 180 and the drive end bearing bracket of casing 110 respectively
112 and rear end cap 113 be rotatablely connected.
The end of the front end of main shaft 120 is taper, ensures emery wheel assembly precision, and surface applies hard chrome processing, ensures anti-corrosive properties
Energy.
Clutch shaft bearing 170 and second bearing 180 are with axial restraint before and after main shaft 120, and main shaft 120 is with feed mechanism
160 when moving axially back and forth, and clutch shaft bearing 170 and second bearing 180 can synchronizing movings.
Specifically, the stage casing of main shaft 120 has axial with the front side of the rear side of clutch shaft bearing 170 and second bearing 180
The shoulder 121 of contact, the both ends of main shaft 120 are respectively provided with to be connect with the rear side of the front side of clutch shaft bearing 170 and second bearing 180
The first tactile nut 122 under the action of 121 and first nut 122 of shoulder, realizes clutch shaft bearing 170 and second bearing
180 with 120 synchronizing moving of main shaft.
Two movable sleeves 150 are sheathed on respectively in clutch shaft bearing 170 and second bearing 180, and on two movable sleeves 150
The first driving section 151 and second respectively with clutch shaft bearing 170 and axial two side contacts of second bearing 180 is respectively provided with to pass
Dynamic portion 152, passes through the first driving section 151 and the second driving section 152 so that clutch shaft bearing 170 and second bearing 180 are with master
During 120 synchronizing moving of axis, movable sleeve 150 can be driven to move axially.
Specifically, on the inner wall of movable sleeve 150 there is step, form the first driving section 151, screw thread connects on movable sleeve 150
The second nut stretched into movable sleeve 150 is connected to, forms the second driving section 152.
Above-mentioned step, the step and clutch shaft bearing 170 are formed on rear side of the inner wall of the movable sleeve 150 of corresponding clutch shaft bearing 170
Rear contact, the front side of movable sleeve 150 connect with the second nut, and the rear end of second nut stretches into movable sleeve 150 and with
The frontside contacts of one bearing 170.
Above-mentioned step, the step and second bearing 180 are formed on front side of the inner wall of the movable sleeve 150 of corresponding second bearing 180
Frontside contacts, the rear side of movable sleeve 1150 connect with the second nut, and the front end of second nut stretches into movable sleeve 150 and with
The rear contact of two bearings 180.
Two movable sleeves 150 pass through the positioning pin of radial direction 190 and the drive end bearing bracket 112 of casing 110 and rear end cap 113 respectively
Axial sliding fit, positioning pin 190 can rise in main axis, when preventing movable sleeve 150 from rotating, and sliding axially
To guiding role.
Specifically, axial sliding slot 153 is respectively provided on the outer wall of two movable sleeves 150, corresponding positioning pin 190 is solid respectively
Due on the drive end bearing bracket 112 of casing 110 and rear end cap 113, and slide and be set in corresponding sliding slot 153.
The clutch shaft bearing 170 and second bearing 180 of the utility model can be synchronized with main shaft 120 and be moved axially, and
Standard rolling bearing can be used, avoid, in feeding, relatively moving between bearing and main shaft, two movable sleeves 150 are then equivalent to
Bearing block in axial sliding can be synchronized with main shaft 120.
Feed mechanism 160 includes rotatable driving lever 161 and by lever 162, and driving lever 161 is penetrated from rear side level
The rear end cap 113 of casing 110, and fixed by 3rd bearing 163 and the rear end cap 113 of casing 110, by 162 horizontal position of lever
In in the rear end cap 113 of casing 110, its rear end is threadedly coupled with driving lever 161, and front end is connect with the rear end of main shaft 120, connection
Place has fourth bearing 164, and with forming screw thread pair by lever 162, driving lever 161 is rotated forward or inverted driving lever 161, can be made
Advanced or retreated by lever 162, so as to which main shaft 120 be driven to move axially, realize feeding.
Specifically, driving lever 161 is hollow tube, is stretched by the rear end of lever 162 in the cavity of driving lever 161, and the two
It is threadedly coupled.
In the present embodiment, cylinder 165 and bearing block 166, the rear end seal of cylinder 165 has also been devised in feed mechanism 160
It closes, the rear end of cylinder 165 is advanced through by lever 162, and its front end has the piston portion 162a being adapted to cylinder, piston portion
162a is with cylinder 165 by axial fixation pin connection, and the rear end of bearing block 166 is connect with cylinder 165, and closed cylinder 165
Front end, cushion chamber A is formed between piston portion 162a, there is in cushion chamber A buffer medium, fourth bearing 164 is fixed on
In bearing block 166.
When main shaft 120 is by external impact, cushion chamber A can play the role of buffering, so as to ensure feed accuracy.
Preferably, buffer medium is gas, it is of course also possible to be liquid or flexible solid material.
In the present embodiment, bearing block 166 is spliced to form by two parts.
The feed mechanism 160 of the utility model realizes feeding, and power is by screw thread by the power that driving lever 161 rotates
It transmits, improves the quality and precision of product processing, improve product qualification rate, and the power of traditional feeding mode is by planker
The straight line power that feed mechanism is given, inside there are gaps, be easy to cause the quality such as the sudden and violent side of product, decorative pattern and finish and ask
Topic.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Utility model, and being not used as the restriction to the utility model, if in the spirit of the utility model, to
Variation, the modification of the upper embodiment will be all fallen in the Claims scope of the utility model.
Claims (10)
1. a kind of bistrique direct driving motor, including casing, main shaft, the stator being fixed in the casing, turn being fixed on main shaft
Son and the feed mechanism for the main shaft to be driven to move axially back and forth, the rear and front end of the main shaft pass through first axle respectively
Hold and second bearing and the casing be rotatablely connected, which is characterized in that further include two movable sleeves, the clutch shaft bearing and
For second bearing with axial restraint before and after the main shaft, described two movable sleeves are sheathed on clutch shaft bearing and second bearing respectively
On, and be respectively provided on two movable sleeves respectively with the first driving section of clutch shaft bearing and axial two side contacts of second bearing with
And second driving section, described two movable sleeves are slidably matched respectively by the positioning pin of radial direction with chassis axial.
2. a kind of bistrique direct driving motor according to claim 1, which is characterized in that the feed mechanism includes rotatable
Driving lever and by lever, the driving lever penetrates the casing, and fix by 3rd bearing and casing from rear side level, institute
It states and is positioned horizontally in the casing by lever, its rear end is threadedly coupled with the driving lever, and front end and the rear end of the main shaft connect
It connects, junction has fourth bearing.
3. a kind of bistrique direct driving motor according to claim 2, which is characterized in that the feed mechanism further include cylinder with
And bearing block, the back-end closure of the cylinder, the rear end that the cylinder is advanced through by lever, and its front end have and institute
The piston portion of cylinder adaptation is stated, the piston portion is connect with the cylinder, and the rear end of the bearing block is connect with the cylinder, and
The front end of the cylinder is closed, cushion chamber is formed between the piston portion, there is buffer medium in the cushion chamber, it is described
Fourth bearing is fixed in the bearing block.
4. a kind of bistrique direct driving motor according to claim 3, which is characterized in that the buffer medium is gas.
5. a kind of bistrique direct driving motor according to claim 4, which is characterized in that the driving lever is hollow tube, described
It is stretched by the rear end of lever in the cavity of the driving lever, and the two is threadedly coupled.
6. a kind of bistrique direct driving motor according to claim 1 or 5, which is characterized in that the stage casing of the main shaft have with
The axially contact shoulder of the rear side of clutch shaft bearing and the front side of second bearing, the both ends of the main shaft are respectively provided with and first axle
The front side held and the first nut of the rear contact of second bearing.
7. a kind of bistrique direct driving motor according to claim 6, which is characterized in that there is platform on the inner wall of the movable sleeve
Rank forms the first driving section, the second nut stretched into movable sleeve is threaded on the movable sleeve, forms the second transmission
Portion, the inner wall rear side of the movable sleeve of corresponding clutch shaft bearing forms the rear contact of the step, the step and clutch shaft bearing, described
The front side of movable sleeve is connect with second nut, the rear end of second nut stretch into the movable sleeve and with before clutch shaft bearing
Side contacts；The frontside contacts of the step, the step and second bearing are formed on front side of the inner wall of the movable sleeve of corresponding second bearing,
The rear side of the movable sleeve is connect with second nut, and the movable sleeve and and second bearing are stretched into the front end of second nut
Rear contact.
8. a kind of bistrique direct driving motor according to claim 7, which is characterized in that on the outer wall of described two movable sleeves
With axial sliding slot, corresponding positioning pin is fixed on the casing, and is slided and be set in corresponding sliding slot.
9. a kind of bistrique direct driving motor according to claim 8, which is characterized in that the casing includes main casing and position
Drive end bearing bracket and rear end cap in the main casing both sides have hoisting ring, the drive end bearing bracket and rear end on the main casing
Main casing seam allowance described in Gai Junyu coordinates.
10. a kind of bistrique direct driving motor according to claim 9, which is characterized in that the interior intracavitary of the drive end bearing bracket has
High-temperature grease and lubricating oil have reinforced seal structure between the main shaft and drive end bearing bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721539942.2U CN207518402U (en) | 2017-11-17 | 2017-11-17 | A kind of bistrique direct driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721539942.2U CN207518402U (en) | 2017-11-17 | 2017-11-17 | A kind of bistrique direct driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207518402U true CN207518402U (en) | 2018-06-19 |
Family
ID=62539603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721539942.2U Active CN207518402U (en) | 2017-11-17 | 2017-11-17 | A kind of bistrique direct driving motor |
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| Country | Link |
|---|---|
| CN (1) | CN207518402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681810A (en) * | 2017-11-17 | 2018-02-09 | 上海德驱驰电气有限公司 | Bistrique direct driving motor |
-
2017
- 2017-11-17 CN CN201721539942.2U patent/CN207518402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681810A (en) * | 2017-11-17 | 2018-02-09 | 上海德驱驰电气有限公司 | Bistrique direct driving motor |
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