CN201279716Y - Automatic grinding disc lifting mechanism of flour milling machine for crystal ball - Google Patents
Automatic grinding disc lifting mechanism of flour milling machine for crystal ball Download PDFInfo
- Publication number
- CN201279716Y CN201279716Y CNU2008201653734U CN200820165373U CN201279716Y CN 201279716 Y CN201279716 Y CN 201279716Y CN U2008201653734 U CNU2008201653734 U CN U2008201653734U CN 200820165373 U CN200820165373 U CN 200820165373U CN 201279716 Y CN201279716 Y CN 201279716Y
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- mill
- screw mandrel
- sensor
- milling machine
- hoisting mechanism
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Abstract
The utility model relates to a millstone elevating mechanism of a crystal ball surface mill, which comprises an outer sleeve, an inner sleeve and a millstone shaft. A millstone is arranged at the upper end of the millstone shaft; the lower end of the millstone shaft is connected with a belt wheel rotationally arranged at the bottom part of the outer sleeve through a spline; the belt wheel is connected with a rotating motor; a connecting rod which penetrates through an axial opening on the outer sleeve is fixedly connected with the inner sleeve; the connecting rod is in threaded connection with a screw which is rotationally arranged on a frame; and the screw is connected with an elevating motor arranged on the frame in a transmission way, wherein, a sensor which monitors the axial force to the screw is connected with the screw, and the sensor is connected with a controller of the elevating motor. In the technical scheme, the axial force to the screw is monitored through the sensor, the optimum elevating position (the optimum grinding position) of the millstone is determined according to the change of the axial force to the screw, therefore excessive grinding (polishing) or insufficient grinding (polishing) is avoided, the grinding (polishing) processing quality is ensured, and the fully automatic control is realized.
Description
Technical field
The utility model belongs to quartzy process equipment field, particularly relates to a kind of mill automatic hoisting mechanism that is applied on crystal ball grinding machine or the polishing machine.
Background technology
Publication number is that the patent documentation of CN2748220Y discloses a kind of crystal flour-milling machine with liftable millstone, it is designed to the inside and outside sleeve structure, outer sleeve is fixed on the frame, rotate in the inner sleeve mill spindle is set, inner sleeve can vertically move in outer sleeve, in outer sleeve one side axially open is set, and is provided with the corresponding position of axially open on inner sleeve, be provided with and the tooth bar meshed gears in the outer sleeve outside, reach the purpose of lifting mill by transmitting gear.
Publication number is that the patent documentation of CN201009143Y discloses the quartzy facet machine of a kind of full-automatic mill lift, employing is with the same inside and outside sleeve structure of above-mentioned document, but the elevating mechanism difference of inner sleeve, inner sleeve is connected with lifting frame, lifting frame is connected with wire rod thread on the frame that is arranged on outer sleeve below, screw mandrel and motor are in transmission connection, and reach the purpose of lifting mill by the motor rotary screw rod.
But, above-mentioned two kinds of mill lifting structures have only provided the mechanical function of finishing the mill lifting, do not provide and judge that mill rises the automatic control function that whether puts in place, therefore, in production practices, still be by the lifting of artificial control mill and judge whether to put in place, perhaps by empirical value being set to controller, it is risen at predeterminated position stop, again or by proximity transducer being set, mill can be stopped when rising to the fixed position at ad-hoc location.Its essence of above-mentioned determination methods all be by judge mill and the crystal material that needs grinding whether contact determine whether mill has been raised to a proper grinding position, yet, the situation that often exists both excessive contact or virtual connection to touch in practice, can cause grinding excessive or not enough like this, influence crudy, therefore, only adopt contact position to concern to determine that the optimum position of grinding is also improper.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model provides a kind of mill automatic hoisting mechanism of crystal ball face milling machine, by the axial force that sensor monitoring screw mandrel is subjected to is set, when mill does not contact with crystal material, the axial force that screw mandrel is subjected to comes from inner sleeve, the gravity of mill etc., and when mill contacts with crystal material, the pressure that crystal material is applied on the mill is reflected on the suffered axial force of screw mandrel too, so just can monitor crystal material and be applied to pressure on the mill by sensor, determine the optimum position (optimum position of grinding) that mill rises with this, avoided grinding (polishing) excessively or grinding (polishing) inadequately, guarantee grinding (polishing) crudy, realized Automatic Control.
To achieve the above object, the utility model has adopted following technical scheme:
A kind of mill automatic hoisting mechanism of crystal ball face milling machine, comprise the outer sleeve that is fixed on the frame, be provided with inner sleeve moving up and down in the outer sleeve, rotating mill spindle is set in the inner sleeve, the mill spindle upper end is provided with mill, the mill spindle lower end is connected by the belt wheel that spline and rotation are arranged on the outer sleeve bottom, belt wheel connects rotary electric machine, be connected with on the described inner sleeve and pass the connecting rod that is located at axially open on the outer sleeve, connecting rod is connected with the wire rod thread that rotation is arranged on the frame, described screw mandrel is in transmission connection with the lifting motor that is located on the frame, wherein, be connected with the sensor of the suffered axial force of monitoring screw mandrel on the described screw mandrel, described sensor is connected with the controller of lifting motor.
Above-mentioned screw mandrel one end and lifting motor are in transmission connection, the screw mandrel other end is connected with sensor by plane bearing, and sensor is fixed on the frame, wherein, the rotor plate and the screw mandrel of described plane bearing are affixed, and the nonrotational plate of described plane bearing contacts with the sense terminals of sensor.
As preferably, be arranged with stage clip on the above-mentioned screw mandrel, the nonrotational plate of the upper end of stage clip and plane bearing offsets, and the lower end and the frame of stage clip offset.
The sensor is pressure sensor or LOAD CELLS.
Above-mentioned connecting rod can be to be the disclosed frame structure of patent documentation of CN201009143Y as publication number, and the set-up mode of screw mandrel also can be identical; Above-mentioned connecting rod also can be to stretch out and be connected with wire rod thread from a side of outer sleeve, and there is friction in inside and outside sleeve when the mill lifting like this, so as preferably, above-mentioned inner sleeve is provided with the wear-resistant sleeve that contacts with outer sleeve.Employing is provided with wear-resistant sleeve on inner sleeve, guaranteed the case hardness of inside and outside sleeve and the wearing and tearing that flatness can reduce both.
Above-mentioned screw mandrel is a ball screw, the ball nut cover that has been threaded on the ball screw, and described connecting rod is connected with the ball nut cover.Above-mentioned screw mandrel is connected with worm gear case, worm gear case and lifting motor.
As preferably, above-mentioned inner sleeve is provided with at least two wear-resistant sleeves, is provided with oil storage tank between the adjacent wear-resistant sleeve.Oil lubrication is set, to reduce wear between inside and outside sleeve.
The utility model is owing to adopted above technical scheme, by the axial force that sensor monitoring screw mandrel is subjected to is set, variation according to its axial force is determined the optimum position (optimum position of grinding) that mill rises with this, avoided grinding (polishing) excessively or grinding (polishing) inadequately, guarantee grinding (polishing) crudy, realized full-automatic control.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that the sensor of embodiment 1 is provided with schematic diagram.
Fig. 3 is that the sensor of embodiment 2 is provided with schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
The mill automatic hoisting mechanism of a kind of crystal ball face milling machine as shown in Figure 1, comprise the outer sleeve 6 that is fixed on the frame 2, be provided with inner sleeve 3 moving up and down in the outer sleeve 6, rotating mill spindle 10 is set in the inner sleeve 3, mill spindle 10 upper ends are provided with mill 1, mill spindle 10 lower ends are connected with the belt wheel (not shown) that rotation is arranged on outer sleeve 6 bottoms by spline, belt wheel connects rotary electric machine, described outer sleeve 6 one sides are provided with axially open, be connected with the connecting rod 9 that stretches out this axially open on the described inner sleeve 3, connecting rod 9 is threaded with the screw mandrel 7 that rotation is arranged on the frame 2, described screw mandrel 7 is connected with worm gear case 11, worm gear case 11 is connected with lifting motor 8 on being located at frame 2, wherein, described inner sleeve 3 is provided with the wear-resistant sleeve 4 that contacts with outer sleeve 6, is connected with the sensor 12 of the suffered axial force of monitoring screw mandrel 7 on the described screw mandrel 7, and described sensor 12 is connected with the controller of lifting motor 8.
As shown in Figure 2, described screw mandrel 7 one ends are connected with sensor 12 by plane bearing 13, sensor 12 is fixed on the frame 2, wherein, described plane bearing 13 is a double-direction thrust ball bearing, rotor plate and screw mandrel 7 in the middle of the plane bearing 13 are affixed, the nonrotational plate on described plane bearing 13 tops and the sense terminals of sensor 12 contact, be arranged with stage clip 14 on the described screw mandrel 7, the nonrotational plate of the upper end of stage clip 14 and plane bearing 13 bottoms offsets, the lower end of stage clip 14 and frame 2 offset, and the elastic force of described stage clip 14 is greater than mill 1, the gravity of inner sleeve 3 grades, described sensor 12 is a pressure sensor.Like this, in normal lifting, when mill does not contact with crystal material, the pressure sensor monitoring value is that spring force deducts each parts gravity, when mill contacts with crystal material, the pressure sensor monitoring value is that spring force deducts each parts gravity and crystal material and is applied to pressure on the mill, comparison by twice monitor value can draw crystal material thus and be applied to pressure size on the mill, itself and the pressure empirical value with best grinding (polishing) effect are compared, thereby determine best grinding (polishing) position that mill rises.
In the present embodiment, above-mentioned screw mandrel 7 is a ball screw, the ball nut cover that has been threaded on the ball screw, and described connecting rod 9 is connected with the ball nut cover; Above-mentioned inner sleeve 3 is provided with at least two wear-resistant sleeves 4, is provided with oil storage tank 5 between the adjacent wear-resistant sleeve 4; Be provided with telescopic protective cover between above-mentioned outer sleeve 6 tops and the inner sleeve 3.
Embodiment 2:
The mill automatic hoisting mechanism of a kind of crystal ball face milling machine as shown in Figure 3, with embodiment 1 different only being, described plane bearing 13 is a single direction thrust ball bearing, the rotor plate and the screw mandrel 7 on described plane bearing 13 tops are affixed, the nonrotational plate and the stage clip 14 of described plane bearing 13 bottoms offset, and this nonrotational plate extend have present a theatrical performance as the last item on a programme with sensor 12 on sense terminals press and to touch, the elastic force of stage clip 14 is used to keep or keep substantially the gravity of mill 1, inner sleeve 3 etc.Like this, in normal lifting, when mill does not contact with crystal material, the pressure sensor monitoring value deducts spring force for each parts gravity, when mill contacts with crystal material, the pressure sensor monitoring value is that the pressure that each parts gravity and crystal material are applied on the mill deducts spring force, comparison by twice monitor value can draw crystal material thus and be applied to pressure size on the mill, itself and the pressure empirical value with best grinding (polishing) effect are compared, thereby determine best grinding (polishing) position that mill rises.Other are identical with embodiment 1.
Need to prove that in addition above-mentioned stage clip 14 also can be hydraulic pressure or the air pressure mechanism that same purpose can be provided; The sensor also can be the bigger LOAD CELLS of range.
Claims (8)
1. the mill automatic hoisting mechanism of a crystal ball face milling machine, comprise the outer sleeve (6) that is fixed on the frame (2), be provided with inner sleeve moving up and down (3) in the outer sleeve (6), rotating mill spindle (10) is set in the inner sleeve (3), mill spindle (10) upper end is provided with mill (1), mill spindle (10) lower end is connected by the belt wheel that spline and rotation are arranged on outer sleeve (6) bottom, belt wheel connects rotary electric machine, it is characterized in that, be connected with on the described inner sleeve (3) to pass and be located at the connecting rod (9) that outer sleeve (6) is gone up axially open, connecting rod (9) is threaded with the screw mandrel (7) that rotation is arranged on the frame (2), described screw mandrel (7) is in transmission connection with the lifting motor (8) that is located on the frame (2), wherein, be connected with the sensor (12) of the suffered axial force of monitoring screw mandrel (7) on the described screw mandrel (7), described sensor (12) is connected with the controller of lifting motor (8).
2. the mill automatic hoisting mechanism of a kind of crystal ball face milling machine according to claim 1, it is characterized in that, described screw mandrel (7) one ends and lifting motor (8) are in transmission connection, described screw mandrel (7) other end is connected with sensor (12) by plane bearing (13), sensor (12) is fixed on the frame (2), wherein, the rotor plate of described plane bearing (13) and screw mandrel (7) are affixed, and the nonrotational plate of described plane bearing (13) contacts with the sense terminals of sensor (12).
3. the mill automatic hoisting mechanism of a kind of crystal ball face milling machine according to claim 2, it is characterized in that, be arranged with stage clip (14) on the described screw mandrel (7), the nonrotational plate of the upper end of stage clip (14) and plane bearing (13) offsets, and the lower end of stage clip (14) and frame (2) offset.
4. the mill automatic hoisting mechanism of a kind of crystal ball face milling machine according to claim 2 is characterized in that, described sensor (12) is pressure sensor or LOAD CELLS.
5. according to the mill automatic hoisting mechanism of the described a kind of crystal ball face milling machine of claim 1 to 4, it is characterized in that described inner sleeve (3) is provided with the wear-resistant sleeve (4) that contacts with outer sleeve (6).
6. according to the mill automatic hoisting mechanism of each described a kind of crystal ball face milling machine in the claim 1 to 4, it is characterized in that, described screw mandrel (7) is a ball screw, the ball nut cover that has been threaded on the ball screw, and described connecting rod (9) is connected with the ball nut cover.
7. according to the mill automatic hoisting mechanism of each described a kind of crystal ball face milling machine in the claim 1 to 4, it is characterized in that described screw mandrel (7) is connected with worm gear case (11), worm gear case (11) and lifting motor (8).
8. according to the mill automatic hoisting mechanism of each described a kind of crystal ball face milling machine in the claim 1 to 4, it is characterized in that described inner sleeve (3) is provided with at least two wear-resistant sleeves (4), be provided with oil storage tank (5) between the adjacent wear-resistant sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201653734U CN201279716Y (en) | 2008-09-27 | 2008-09-27 | Automatic grinding disc lifting mechanism of flour milling machine for crystal ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201653734U CN201279716Y (en) | 2008-09-27 | 2008-09-27 | Automatic grinding disc lifting mechanism of flour milling machine for crystal ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201279716Y true CN201279716Y (en) | 2009-07-29 |
Family
ID=40926605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201653734U Expired - Fee Related CN201279716Y (en) | 2008-09-27 | 2008-09-27 | Automatic grinding disc lifting mechanism of flour milling machine for crystal ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201279716Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789042A (en) * | 2018-09-03 | 2018-11-13 | 国机智能科技有限公司 | Complex-curved adaptive workpiece polishing mechanism |
-
2008
- 2008-09-27 CN CNU2008201653734U patent/CN201279716Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789042A (en) * | 2018-09-03 | 2018-11-13 | 国机智能科技有限公司 | Complex-curved adaptive workpiece polishing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20160927 |