CN208068009U - A kind of grinder pressing mechanism for current transformer - Google Patents
A kind of grinder pressing mechanism for current transformer Download PDFInfo
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- CN208068009U CN208068009U CN201820178031.XU CN201820178031U CN208068009U CN 208068009 U CN208068009 U CN 208068009U CN 201820178031 U CN201820178031 U CN 201820178031U CN 208068009 U CN208068009 U CN 208068009U
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- ball screw
- bearing
- gear ring
- pressing mechanism
- screw
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Abstract
The utility model discloses a kind of grinder pressing mechanisms for current transformer,Including supporting table,Side leg is respectively connected at left and right sides of supporting table upper end,Side leg side is provided with sprocket wheel,Sprocket wheel upper end is connected with rotary shaft,The upper end of rotary shaft is connected with ball screw,Feed screw nut is provided on ball screw,The top of ball screw is connected with lifting seat,Gear ring support is provided with above lifting seat,Rack gear hollow shaft is set on gear ring support,It is provided with needle bearing at the lower end of gear ring hollow shaft,The lower end of needle bearing is provided with driven gear,There are two vertical parallel fixed links for setting between the needle bearing of left and right two,The upper end of ball screw is provided with screw mandrel shaft block,The upper end of screw mandrel shaft block is connected with bearing cover,It is provided with locking nut on the bearing inner race of the ball screw,Existing grinder pressing mechanism is solved the problems, such as in process of lapping may cause more serious inclination and stability poor it occur frequently that shake is used for a long time.
Description
Technical field
The utility model is related to grinder technical field, specially a kind of grinder pressuring machines for current transformer
Structure.
Background technology
Disk pressuring method is mainly linear Pneumatic Pressure on dual-end face grinder domestic at present, by cylinder, connector sleeve,
Thrust bearing, bearing block, upper main shaft, cylinder sleeve and decelerating motor etc. are concatenated into a longer mechanism, the disadvantage is that, it is easy because of accumulation
Error and cannot be guaranteed upper and lower axle concentricity, to influence the normal process state of lathe.How lathe steady can guarantee
Qualitative and processing part precision, is the target of this technology personnel sustained improvement and innovation.
Application No. is 201610552566.4, a kind of entitled utility model of the lever pressing mechanism of grinder is special
Profit：
The advantageous effect of the utility model be the reduction of technical solution total height, convenience in transport, surface structure have beauty, and
And it is easy to adjust, accumulated error is small, lathe precision prescribed be easy to keep and it is permanent keep, the column center line of mechanism to upper disk
The distance of upper spindle centerline reduces, height reduces, and to weight saving, has saved material.
Existing grinder pressing mechanism still has following defect：
(1) existing grinder pressing mechanism is uneven in the speed of process up and down for applying pressure process of lapping grinding center column
It is even that process of lapping collision may be caused acutely to lead to equipment damage；
(2) existing grinder pressing mechanism in process of lapping it occur frequently that shake be used for a long time may cause it is more serious
Inclination, not only cause service life of equipment reduce and also also result in grinding effect variation.
Invention content
In order to overcome the shortcomings of prior art, the utility model provides a kind of grinder for current transformer and adds
Press mechanism can effectively solve the problem that the problem of background technology proposes.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of grinder pressing mechanism for current transformer, including supporting table, the left and right two of the supporting table upper end
Side is respectively connected with side leg, and side leg side is provided with sprocket wheel, and the sprocket wheel upper end is connected with rotary shaft, the rotary shaft
Upper end be connected with ball screw, feed screw nut is provided on the ball screw, the top of the ball screw is connected with liter
Seat is dropped, gear ring support is provided with above the lifting seat, rack gear hollow shaft is set on the gear ring support, the gear ring is empty
Needle bearing is provided at the lower end of mandrel, the lower end of the needle bearing is provided with driven gear, the rolling described in left and right two
There are two vertical parallel fixed link, the upper end of the ball screw is provided with screw mandrel shaft block, described for setting between needle bearing
The upper end of screw mandrel shaft block is connected with bearing cover, and locking nut is provided on the bearing inner race of the ball screw.
Further, the top of the gear ring support connects rack gear, between the gear ring hollow shaft and the lifting seat
It is connected with bearing washer.
Further, the sprocket wheel being arranged above the supporting table is arranged in triangular arranged, the side of the sprocket wheel
It is provided with directive wheel, the directive wheel is connected with driving motor, and passes through transmission between the driving motor and the directive wheel
Chain link.
Further, driving wheel is provided on the driving motor, the side of taking of the driving wheel is provided with motor fan.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model forms the arrangement of equilateral triangle, three lead screw drivings using entire driving motor with directive wheel
Axis is connected as one by 60 ° each other with side leg, is formed and is stablized and firm structure avoids existing grinder pressing mechanism
Shaking situation；
(2) the utility model drives three sprocket wheels and three directive wheels in ball screw drive shaft, band by transmission chain
The drive shaft synchronous rotary in the same direction of three ball screws is moved, nut seat, gear ring hollow shaft, gear ring support are realized in no upper and lower displacement
It is lifted with gear ring precise and stable.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the utility model entirety overlooking structure diagram.
Figure label：
1- supporting tables；The sides 2- leg；3- sprocket wheels；4- rotary shafts；5- ball screws；6- feed screw nut；7- lifting seats；8-
Gear ring hollow shaft；9- gear ring supports；10- gear rings；11- bearing washers；12- needle bearings；13- driven gears；14- fixed links；
15- screw mandrel shaft blocks；16- bearing covers；17- locking nuts；18- directive wheels；19- driving motors；20- transmission chains；
1901- driving wheels；1902- motors are fanned.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, it includes support that the utility model, which provides a kind of grinder pressing mechanism for current transformer,
Platform 1 is respectively connected with side leg 2 at left and right sides of 1 upper end of the supporting table, and 2 side of side leg is provided with sprocket wheel 3, described
3 upper end of sprocket wheel is connected with rotary shaft 4, and the upper end of the rotary shaft 4 is connected with ball screw 5, is provided on the ball screw 5
Feed screw nut 6, and the top of the ball screw 5 is connected with lifting seat 7, and the top of the lifting seat 7 is provided with gear ring support 9,
Rack gear hollow shaft 8 is set on the gear ring support 9, needle bearing 12, institute are provided at the lower end of the gear ring hollow shaft 8
The lower end for stating needle bearing 12 is provided with driven gear 13, and there are two vertical for setting between controlling the needle bearing 12 described in two
The upper end of parallel fixed link 14, the ball screw 5 is provided with screw mandrel shaft block 15, and the upper end of the screw mandrel shaft block 15 connects
It is connected to bearing cover 16, locking nut 17 is provided on the bearing inner race of the ball screw 5.
The workflow of the utility model is three sprocket wheels 3 and three in driving 5 drive shaft of ball screw of transmission chain 20
Directive wheel 18 drives the drive shaft synchronous rotary in the same direction of three ball screws 5, no upper and lower displacement to respectively drive three lead screw spiral shells
Female 6 synchronization liftings drive nut seat, 10 precision of gear ring hollow shaft 8, gear ring support 9 and gear ring, smoothly lift.
The drive shaft of ball screw is connect with ball screw 5, and the bearing inner race of back-to-back combination ball screw 5 passes through precision
Locking nut 17 is fixed on ball screw 5, and lead screw bearing outer ring is fixed in screw mandrel shaft block 15 by bearing cap.Lead screw bearing
Seat 15 is loaded vertically by outer circle and end face on side leg 2, ensure that ball screw 5 is vertical with reference plane.Gear ring hollow shaft 8,
Gear ring support 9 and gear ring 10 are connected as one.Needle bearing is packed into gear ring hollow shaft 8, and gear ring 10, gear ring support 9, gear ring are empty
Mandrel 8, gear ring lifting seat realize upper and lower sliding entirely through needle bearing in fixing axle external cylindrical surface.
As shown in Figure 1, the top of the gear ring support 9 connects rack gear 10, the gear ring hollow shaft 8 and the lifting
It is connected with bearing washer 11 between seat 7.
When gear ring 10 rotates, gear ring hollow shaft 8, gear ring support 9, gear ring 10 is driven to rotate from driving wheel 1901.Fixing axle
It is fixed on side leg 2.Realize the movement that gear ring 10 can be rotated but also be lifted.The entire bearing of 11 effective protection of bearing washer
Safety.
As shown in Fig. 2, the sprocket wheel 3 that 1 top of the supporting table is arranged is arranged in triangular arranged, the sprocket wheel 3
Side is provided with directive wheel 18, and the directive wheel 18 is connect with the driving motor 19, the driving motor 19 and the guiding
It is connected by transmission chain 20 between wheel 18.
One transmission chain 20 synchronizes the drive shaft rotation for driving three ball screws 5, and the effect of three directive wheels 18 is to make
The cornerite bigger of drive sprocket and three sprocket wheels 3, avoids chain from shaking, and ensures that three lead screw drive shafts synchronize and rotates smoothly.Three
Root lead screw drive shaft by 60 ° each other of side leg 2 be connected as one, form stable and firm structure.
As shown in Fig. 2, being provided with driving wheel 1901 on the driving motor 19, the side of taking of the driving wheel 1901 is set
It is equipped with motor fan 1902.
The driving wheel 1901 of driving motor 19 provides the kinetic energy of whole equipment, and motor fan 1902 produces when effectively motor working
Raw heat excludes.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (4)
1. a kind of grinder pressing mechanism for current transformer, it is characterised in that：Including supporting table (1), the supporting table
(1) side leg (2) is respectively connected at left and right sides of upper end, side leg (2) side is provided with sprocket wheel (3), the sprocket wheel (3)
Upper end is connected with rotary shaft (4), and the upper end of the rotary shaft (4) is connected with ball screw (5), is set on the ball screw (5)
It is equipped with feed screw nut (6), the top of the ball screw (5) is connected with lifting seat (7), the top setting of the lifting seat (7)
Coil support (9) with teeth, setting rack gear hollow shaft (8) on the gear ring support (9), at the lower end of the gear ring hollow shaft (8)
It is provided with needle bearing (12), the lower end of the needle bearing (12) is provided with driven gear (13), the rolling described in left and right two
There are two vertical parallel fixed link (14), the upper end of the ball screw (5) is provided with lead screw for setting between needle bearing (12)
Bearing block (15), the upper end of the screw mandrel shaft block (15) are connected with bearing cover (16), in the bearing of the ball screw (5)
Locking nut (17) is provided on circle.
2. a kind of grinder pressing mechanism for current transformer according to claim 1, it is characterised in that：The tooth
The top connection rack gear (10) of coil support (9), bearing is connected between the gear ring hollow shaft (8) and the lifting seat (7)
Washer (11).
3. a kind of grinder pressing mechanism for current transformer according to claim 1, it is characterised in that：The branch
The sprocket wheel (3) being arranged above support platform (1) is arranged in triangular arranged, and the side of the sprocket wheel (3) is provided with directive wheel
(18), the directive wheel (18) is connected with driving motor (19), and between the driving motor (19) and the directive wheel (18)
It is connected by transmission chain (20).
4. a kind of grinder pressing mechanism for current transformer according to claim 3, it is characterised in that：The drive
Driving wheel (1901) is provided on dynamic motor (19), the side of taking of the driving wheel (1901) is provided with motor fan (1902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178031.XU CN208068009U (en) | 2018-02-01 | 2018-02-01 | A kind of grinder pressing mechanism for current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178031.XU CN208068009U (en) | 2018-02-01 | 2018-02-01 | A kind of grinder pressing mechanism for current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208068009U true CN208068009U (en) | 2018-11-09 |
Family
ID=64036931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820178031.XU Active CN208068009U (en) | 2018-02-01 | 2018-02-01 | A kind of grinder pressing mechanism for current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208068009U (en) |
-
2018
- 2018-02-01 CN CN201820178031.XU patent/CN208068009U/en active Active
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