CN211305968U - Polishing machine tool intelligence spindle unit - Google Patents
Polishing machine tool intelligence spindle unit Download PDFInfo
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- CN211305968U CN211305968U CN201922223764.8U CN201922223764U CN211305968U CN 211305968 U CN211305968 U CN 211305968U CN 201922223764 U CN201922223764 U CN 201922223764U CN 211305968 U CN211305968 U CN 211305968U
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Abstract
The utility model relates to an intelligent spindle device of a polishing machine tool, which comprises a pressurizing mechanism, a rotating mechanism, a shell and a movable plate; the pressurizing mechanism is a cylinder; the rotating mechanism comprises a synchronizing wheel and a rotating shaft, the synchronizing wheel is fixedly arranged on the rotating shaft, and the synchronizing wheel can drive the rotating shaft to rotate; the middle part of the rotating shaft is rotatably arranged in the shell, the pressurizing mechanism is positioned on the shell, and the shell is provided with a plurality of polished rods which are connected with the pressurizing mechanism and the shell; the movable plate is arranged on the polish rod and can move back and forth on the polish rod, the free end of the piston rod of the air cylinder is fixedly connected with the movable plate, and the rotating shaft is rotatably arranged in the movable plate, wherein the synchronizing wheel is positioned between the movable plate and the shell, and the air cylinder is arranged on the rotating shaft, so that the rotating shaft can apply constant pressure to a workpiece through the pressure provided by the air cylinder while carrying out high-speed polishing operation, and can float up and down to carry out automatic compensation.
Description
Technical Field
The utility model relates to a burnishing machine field, concretely relates to polishing machine tool intelligence spindle unit.
Background
With the rapid development of intelligent display terminal equipment, various manufacturers continuously push out a new generation of glass screens, wherein 2.5D and 3D curved glass are most fierce, and the market prospect is the best. In the production process of curved glass, grinding and polishing are an extremely important process, but in the existing glass grinding and polishing industry, the traditional equipment process cannot effectively meet the grinding and polishing requirements of 2.5D and 3D curved glass. The polishing device has the common problems of low efficiency, high cost, poor stability and low productivity, and particularly, in the polishing process of the traditional equipment, because factors such as machine tool precision, workpiece clamping accuracy, workpiece surface shape and the like can cause axial runout of a main shaft, the contact pressure is unstable, and especially, constant pressure can not be applied to a workpiece during polishing so as to achieve a specific polishing effect.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a burnishing machine lathe intelligence main shaft device mainly solves the unstable problem of burnishing machine lathe main shaft axial pressure.
(II) technical scheme
In order to achieve the above object, the utility model provides a polishing machine tool intelligence spindle unit, it includes:
the pressurizing mechanism is a cylinder;
the rotating mechanism comprises a synchronizing wheel and a rotating shaft, the synchronizing wheel is fixedly arranged on the rotating shaft, and the synchronizing wheel can drive the rotating shaft to rotate;
the middle part of the rotating shaft is rotatably arranged in the shell, the pressurizing mechanism is positioned on the shell, and a plurality of polished rods are arranged on the shell and are connected with the pressurizing mechanism and the shell;
the movable plate is arranged on the polish rod and can reciprocate on the polish rod, the free end of a piston rod of the air cylinder is fixedly connected with the movable plate, and the rotating shaft is rotatably arranged in the movable plate;
wherein the synchronizing wheel is located between the movable plate and the housing.
Preferably, the free end of the piston rod is provided with a floating joint.
Preferably, a bearing outer sleeve is arranged on the movable plate, the floating joint is connected with the bearing outer sleeve and the piston rod, and a first bearing is arranged between the rotating shaft and the bearing outer sleeve.
Preferably, a pair of second bearings is provided in the housing, and the rotation shaft passes through the second bearings.
Preferably, the second bearing is a deep groove ball bearing, and a sleeve shaft sleeve is arranged between the paired deep groove ball bearings.
Preferably, a sleeve is arranged between the synchronizing wheel and the rotating shaft.
Preferably, a shaft shoulder is formed on the outer wall of the sleeve, the shaft shoulder is positioned at one end close to the synchronizing wheel, and an upper inner cover is arranged on the shaft shoulder; an upper outer cover is arranged at one end of the shell close to the synchronizing wheel; the upper inner cover seals a gap between the upper outer cover and the shaft shoulder.
Preferably, the rotating shaft is a ball spline.
Preferably, one end of the outer shell, which is far away from the synchronizing wheel, is provided with a lower cover with a through hole, and the rotating shaft penetrates through the lower cover.
Preferably, the movable plate is disposed on the polish rod through a linear bearing.
(III) advantageous effects
The beneficial effects of the utility model are that, through be provided with the cylinder in the axis of rotation for the axis of rotation just can apply a invariable axial pressure to the work piece through the pressure that the cylinder provided when carrying out high-speed polishing operation, and can fluctuate, carries out automatic compensation, thereby adapts to the curved surface glass's of different shapes polishing process, and makes the different parts of different curved surface glass can both obtain balanced polishing effect. Meanwhile, the scheme is also provided with a plurality of polished rods, so that a guiding effect is provided for the linear motion of the piston rod of the air cylinder, and the direction of the pressure provided by the air cylinder is stable; and many polished rods connect cylinder and shell, and the movable plate moves between cylinder and shell, can carry out spacing to the motion of movable plate. And, the synchronizing wheel sets up in the axis of rotation and is located between movable plate and the shell, and the one end and the movable plate of axis of rotation are connected, and the middle part and synchronizing wheel, the shell cooperation installation of axis of rotation, the other end are connected with the rubbing head, and each rational in infrastructure arranges to can avoid the epaxial stress concentration of rotation, improve the fatigue strength of axis of rotation, and then guarantee whole spindle unit's structural stability, and can prolong spindle unit's life.
Drawings
Fig. 1 is a schematic structural view of the intelligent spindle device of the polishing machine tool of the present invention;
fig. 2 is the utility model relates to a cross-sectional view of polishing machine tool intelligence spindle unit.
[ description of reference ]
1: a cylinder; 2: an upper fixing plate; 3: a linear bearing; 4: a movable plate; 5: a polish rod; 6: a housing; 7: a lower cover; 8: a bearing housing; 9: a synchronizing wheel; 10: a floating joint; 11: a first bearing; 12: a rotating shaft; 13: a sleeve; 14: a sleeve shaft sleeve; 15: an upper inner cover; 16: an outer cover is arranged; 17: a second bearing.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a polishing machine tool intelligence spindle unit, see fig. 1 and fig. 2, it includes: it comprises a pressurizing mechanism, a rotating mechanism, a shell and a movable plate; the pressurizing mechanism is a cylinder 1; the rotating mechanism comprises a synchronous wheel 9 and a rotating shaft 12, the synchronous wheel 9 is fixedly arranged on the rotating shaft 12, the synchronous wheel 9 is connected with an externally connected driving motor, and the synchronous wheel 9 rotates at a high speed through the driving of the external driving motor, so that the rotating shaft 12 is driven to rotate at a high speed; the middle part of the rotating shaft 12 is rotatably arranged in the shell 6, the pressurizing mechanism is positioned on the shell 6, the shell 6 is provided with a plurality of polished rods 5, the pressurizing mechanism is provided with an upper fixing plate 2, and the upper ends of the polished rods 5 are arranged on the upper fixing plate 2; the movable plate 4 is arranged on the polish rod 5, the movable plate 4 can move on the polish rod 5 in a reciprocating mode, the air cylinder 1 is matched with the polish rod 5, and pressure of the air cylinder 1 can be stably transmitted to the movable plate through the piston rod. Meanwhile, the movable plate 4 moves on the polish rod 5, the polish rod 5 guides the movement of the movable plate 5, the movable plate 4 can be guaranteed to uniformly transmit pressure to the rotating shaft 12, the free end of the piston rod of the air cylinder 1 is fixedly connected with the movable plate 4, the rotating shaft 12 is rotatably arranged in the movable plate 4, and the synchronizing wheel 9 is located between the movable plate 4 and the shell 6.
When synchronizing wheel 9 drives axis of rotation 12 high-speed rotatory in shell 6, ventilate in the cylinder 1, the piston rod of cylinder 1 stretches out, and promote the movable plate and remove toward shell 6 direction on polished rod 5, and then drive axis of rotation 12 downstream, and simultaneously, the free end at axis of rotation 12 is installed to the burnishing head of burnishing machine, this scheme can drive the high-speed rotatory polishing operation of burnishing head in axis of rotation 12, a invariable axial pressure just can be applyed the work piece of polishing to the pressure that provides through cylinder 1, and can fluctuate, carry out automatic compensation.
Referring to fig. 2, the free end of the piston rod is provided with a floating joint 10, the floating joint 10 connects the free end of the piston rod with the movable plate 4, the floating joint 10 can solve the problem that the parallelism between the movable plate 4 and the cylinder 1 is insufficient, that is, the coaxiality between the free end of the cylinder 1 and the movable plate 4 is low, the thrust cannot be reduced, and meanwhile, the floating joint has the advantages of preventing a sealing ring in the cylinder 1 from being damaged, prolonging the service life of the cylinder 1 and the like.
Furthermore, a bearing outer sleeve 8 is arranged on the movable plate 4, the floating joint 10 is connected with the bearing outer sleeve 8 and the piston rod, a first bearing 11 is arranged between the moving shaft and the bearing outer sleeve 8, the rotating shaft 12 is sealed in the bearing outer sleeve 8 by the bearing outer sleeve 8, the rotating shaft 12 can be well protected, foreign objects are prevented from influencing the rotating shaft 12 when the rotating shaft 12 rotates at a high speed, meanwhile, the bottom plate of the movable plate 4 is prevented from contacting with the rotating shaft 12, and meanwhile, a radial supporting force is also provided for the upper end of the rotating shaft 12. The first bearing 11 is arranged between the rotating shaft 12 and the bearing outer sleeve 8, the first bearing 11 is a self-aligning ball bearing, when the rotating shaft 12 is subjected to polishing operation, external force is applied, and a partial deviation angle is generated between the upper end of the rotating shaft 12 and the movable plate 4, the self-aligning ball bearing can well absorb the deviation angle, and the normal operation of the rotating shaft 12 is ensured.
Wherein, a pair of second bearings 17 is arranged in the housing 6, the rotating shaft 12 passes through the second bearings 17, and the pair of second bearings 17 can provide radial supporting force for the rotating shaft 12 in the housing 6, so as to prevent the rotating shaft 12 from deviating when rotating at high speed for polishing operation.
Further, the second bearing 17 can be a deep groove ball bearing, a sleeve shaft sleeve 14 is arranged between the paired deep groove ball bearings, the sleeve shaft sleeve 14 can provide axial support for the second bearing 17, and meanwhile, the rotating shaft 12 can be guaranteed to normally work due to the fact that the friction resistance of the deep groove ball bearing is small, the rotating speed is high, radial load and partial axial load can be borne.
Wherein, be provided with sleeve 13 between synchronizing wheel 9 and the axis of rotation 12, synchronizing wheel 9 drives sleeve 13 and rotates at a high speed, and sleeve 13 drives axis of rotation 12 and rotates at a high speed to realize the transmission of power, sleeve 13 also can be fine protection axis of rotation 12 simultaneously, prevent that axis of rotation 12 is impaired.
Further, the outer wall of the sleeve 13 is formed with a shoulder at one end near the synchronizing wheel 9, on which an upper inner cover 15 is provided. One end of the shell 6 close to the synchronizing wheel 9 is provided with an upper outer cover 16; the upper inner cover 15 seals a gap between the upper outer cover 16 and the shaft shoulder, the upper inner cover 15 is matched with the upper outer cover 16, the middle of the rotating shaft 12 is sealed in the shell 6, and foreign objects are prevented from entering the shell 6 when the rotating shaft 12 works to influence the rotation of the rotating shaft 12.
Wherein, axis of rotation 12 can be the ball spline, and the nut of ball spline links to each other with sleeve 13, and the ball spline can adapt to the rotation of higher load better, compares in other connected mode simultaneously, still has the rigidity height, characteristics such as the assembly is simple. In other embodiments, the rotating shaft 12 may also be a straight shaft of various types keyed to the sleeve.
Further, one end of the housing 6 away from the synchronizing wheel 9 is provided with a lower cover 7 having a through hole, and the rotating shaft 12 is connected to the polishing head through the through hole of the lower cover 7. Meanwhile, the shell 6 is also provided with a plurality of mounting holes, and the device can be conveniently mounted on a polishing machine through threaded fasteners mounted in the mounting holes.
Wherein, movable plate 4 can set up on polished rod 5 through linear bearing 3, and movable plate 4 cooperates and carries out reciprocating motion at polished rod 5 through linear bearing 3, and linear bearing 3 has the little characteristics of friction and relatively more stable, and its frictional force with polished rod 5 can not follow up the speed of plate 4 motion and change, consequently, movable plate 4 can obtain the steady linear motion that sensitivity is high, the precision is high to help promoting whole spindle unit's performance, make different curved surface glass can both obtain better polishing effect.
The above description is only for the embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a polishing machine tool intelligence spindle unit which characterized in that, polishing machine tool intelligence spindle unit includes:
the pressurizing mechanism is a cylinder;
the rotating mechanism comprises a synchronizing wheel and a rotating shaft, the synchronizing wheel is fixedly arranged on the rotating shaft, and the synchronizing wheel can drive the rotating shaft to rotate;
the middle part of the rotating shaft is rotatably arranged in the shell, the pressurizing mechanism is positioned on the shell, and a plurality of polished rods are arranged on the shell and are connected with the pressurizing mechanism and the shell;
the movable plate is arranged on the polish rod and can reciprocate on the polish rod, the free end of a piston rod of the air cylinder is fixedly connected with the movable plate, and the rotating shaft is rotatably arranged in the movable plate;
wherein the synchronizing wheel is located between the movable plate and the housing.
2. The intelligent spindle device of a polishing machine as recited in claim 1, wherein: the free end of the piston rod is provided with a floating joint.
3. The intelligent spindle device of a polishing machine as recited in claim 2, wherein: the movable plate is provided with a bearing outer sleeve, the floating joint is connected with the bearing outer sleeve and the piston rod, and a first bearing is arranged between the rotating shaft and the bearing outer sleeve.
4. The intelligent spindle device of a polishing machine as claimed in any one of claims 1 to 3, wherein: and paired second bearings are arranged in the shell, and the rotating shaft penetrates through the second bearings.
5. The intelligent spindle device of a polishing machine as recited in claim 4, wherein: the second bearings are deep groove ball bearings, and sleeve bushings are arranged between the paired deep groove ball bearings.
6. The intelligent spindle device of a polishing machine as claimed in any one of claims 1 to 3, wherein: a sleeve is arranged between the synchronizing wheel and the rotating shaft.
7. The intelligent spindle device of a polishing machine as claimed in claim 6, wherein: a shaft shoulder is formed on the outer wall of the sleeve and is positioned at one end close to the synchronous wheel, and an upper inner cover is arranged on the shaft shoulder; an upper outer cover is arranged at one end of the shell close to the synchronizing wheel; the upper inner cover seals a gap between the upper outer cover and the shaft shoulder.
8. The intelligent spindle device of a polishing machine as claimed in any one of claims 1 to 3, wherein: the rotating shaft is a ball spline.
9. The intelligent spindle device of a polishing machine as claimed in any one of claims 1 to 3, wherein: one end of the shell, which is far away from the synchronizing wheel, is provided with a lower cover with a through hole, and the rotating shaft penetrates through the lower cover.
10. The intelligent spindle device of a polishing machine as claimed in any one of claims 1 to 3, wherein: the movable plate is arranged on the polish rod through a linear bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223764.8U CN211305968U (en) | 2019-12-12 | 2019-12-12 | Polishing machine tool intelligence spindle unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223764.8U CN211305968U (en) | 2019-12-12 | 2019-12-12 | Polishing machine tool intelligence spindle unit |
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| Publication Number | Publication Date |
|---|---|
| CN211305968U true CN211305968U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922223764.8U Active CN211305968U (en) | 2019-12-12 | 2019-12-12 | Polishing machine tool intelligence spindle unit |
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| Country | Link |
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| CN (1) | CN211305968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845865A (en) * | 2020-12-22 | 2021-05-28 | 溧阳市盛杰机械有限公司 | Hydraulic machine with workpiece positioning function |
-
2019
- 2019-12-12 CN CN201922223764.8U patent/CN211305968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845865A (en) * | 2020-12-22 | 2021-05-28 | 溧阳市盛杰机械有限公司 | Hydraulic machine with workpiece positioning function |
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