CN218115299U - High-precision spindle transmission structure - Google Patents

Abstract

The utility model discloses a high accuracy main shaft transmission structure, including flange subassembly and main shaft, the flange subassembly includes ring flange, leveling member and mounting, the ring flange includes main part and disk body, the disk body install in the main part, the main part is inserted and is located the mounting hole of mount table, leveling member install in on the mount table and with the disk body butt, leveling member can follow the axial motion of mounting hole, in order to adjust the ring flange with the axiality of mounting hole, the mounting is used for fixing the ring flange on the mount table; the main shaft is inserted in the main body and can rotate relative to the main body and slide along the axial direction of the mounting hole. This high accuracy main shaft transmission structure can reduce the axiality error between main shaft and the mounting hole to improve the circle of contact quality of product.

Description

High-precision spindle transmission structure

Technical Field

The utility model relates to a glass processing field, concretely relates to high accuracy main shaft transmission structure.

Background

The cutter head of the glass circle cutting machine drives the cutter arm with the adjustable radius to cut in a rotating way by the main shaft, and circle cutting is completed. The conventional circle cutting machine can simultaneously realize the functions of main shaft rotation and axial sliding through a spline structure. The ideal state of the circle cutting machine after the cutter head rotates for one circle is to form a circle with completely aligned tail end of the track, the subsequent sheet cutting process step can have higher yield, and the quality of the cut glass wafer can also be ensured, so the circle cutting machine has higher requirement on the stability of the main shaft. However, in the prior art, most of the spindles connected by the spline are inevitably provided with gaps, so that swinging can be generated in the rotation process of the spindles, the swinging not only affects the rotating coaxiality of the spindles, but also after the coaxiality error is amplified by the cutter arm, a large staggered opening can be formed in the position of the interface of the circle cutting track, the staggered opening formed by the existing spline spindle can be generally controlled to be about 30 wires, but the 30 wires have large influence on the quality of circle cutting operation, and subsequent circle cutting can not be performed, or the outer edge of a product is different or finished product breakage is directly caused, and the like.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the to-be-solved technical problem of the utility model is to provide a high accuracy main shaft transmission structure can reduce the axiality error between main shaft and the mounting hole to improve the quality of cutting product.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a high-precision spindle drive structure comprising:

the flange assembly comprises a flange plate, a leveling member and a fixing member, the flange plate comprises a main body and a plate body, the plate body is installed on the main body, the main body is inserted into an installation hole of an installation table, the leveling member is installed on the installation table and abutted to the plate body, the leveling member can move along the axial direction of the installation hole to adjust the coaxiality of the flange plate and the installation hole, and the fixing member is used for fixing the flange plate on the installation table; and

the main shaft is inserted in the main body and can rotate relative to the main body and slide along the axial direction of the mounting hole.

Further, the flange component also comprises an outer shaft, the outer shaft can be inserted into the main body in a vertical sliding mode, and the main shaft can be rotatably inserted into a shaft hole of the outer shaft.

Further, the top of outer axle is provided with the connection pad, the outer axle passes through the connection pad is connected with the power take off of the lift drive assembly of circle cutting machine.

Further, a plurality of shaft sleeves are arranged between the main body and the outer shaft, and the shaft sleeves are arranged along the axial direction of the outer shaft at intervals.

Furthermore, a plurality of containing cavities are formed among the shaft sleeve, the inner wall of the flange plate and the outer wall of the outer shaft, and lubricating grease is filled in the containing cavities.

Further, the leveling piece has a plurality ofly, the mounting has a plurality ofly, and is a plurality of leveling piece and a plurality of the mounting is located same circumference, and is a plurality of leveling piece and a plurality of the mounting is the interval setting each other.

Furthermore, the leveling members are jacking bolts, the jacking bolts are arranged at intervals along the circumferential direction of the plate body, the jacking bolts penetrate through the mounting table from the bottom surface of the mounting table to abut against the bottom surface of the plate body of the flange plate, and the jacking bolts are in threaded connection with the mounting table.

Furthermore, the fixing pieces are connecting bolts, the connecting bolts are circumferentially arranged at intervals, threaded holes are formed in the bottom surface of the plate body of the flange plate along the circumferential direction of the bottom surface, and the connecting bolts can slidably penetrate through the mounting table and then are in threaded connection with the threaded holes.

Further, the main shaft includes the intermediate part and is located the coaxial end portion that sets up in both ends, just the diameter of intermediate part is greater than the diameter of end portion, intermediate part bottom face is provided with first terminal surface bearing, just first terminal surface bearing housing is established the outer wall of end portion, and with the inner wall connection of outer axle.

Furthermore, a second end face bearing is arranged on the top end face of the middle portion, is sleeved on the outer wall of the end head portion and is connected with the inner wall of the outer shaft.

The utility model has the advantages that:

the high-precision spindle transmission structure comprises a flange assembly and a spindle, wherein the flange assembly comprises a flange plate, a leveling piece and a fixing piece, the flange plate comprises a main body and a disk body, the disk body is installed on the main body, the main body is inserted into an installation hole formed in an installation table, the leveling piece is installed on the installation table and abutted to the disk body, the leveling piece can move axially along the installation hole to adjust the coaxiality of the flange plate and the installation hole, the fixing piece is used for fixing the flange plate on the installation table, the spindle is inserted into the main body, and the spindle can rotate relative to the flange plate and slide axially along the installation hole.

When the cutter is used, the flange plate can be leveled through the leveling piece, the coaxiality of the flange plate and the mounting hole is improved, and further the coaxiality of the main shaft and the mounting hole is improved, so that the coaxiality error between the main shaft and the mounting hole is reduced, the precision of the cutter is improved, and the purpose of improving the quality of a cutting circle is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a schematic view of a high-precision spindle transmission structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of the high precision spindle drive of FIG. 1 mounted on a stable concentricity circle cutting machine;

FIG. 3 is a top view of the guide mechanism of the stable concentricity cyclotomic machine shown in FIG. 2;

reference numerals:

100. a mounting table;

200. a lifting drive mechanism; 210. an elastic member;

300. a sliding table;

400. a rotation driving mechanism; 410. a rotating electric machine; 420. a driving wheel; 430. a driven wheel; 440. a belt;

500. a main shaft; 510. an intermediate portion; 520. an end portion;

600. a cutter arm; 610. a cutter;

700. a flange assembly; 710. a flange plate; 711. a main body; 712. a tray body; 720. a leveling member; 730. a fixing member; 740. an outer shaft; 750. a shaft sleeve; 760. a first end face bearing; 770. a second end face bearing;

800. a guide mechanism; 810. a guide post; 820. a rolling body; 830. mounting a rod; 840. a positioning member;

900. a main elevation drive device; 910. a base; 920. mounting a column; 930. a lifting platform; 940. a total lifting driving source.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 2, the present invention provides a high precision spindle transmission structure for a circle-cutting mechanism with stable coaxiality, including a flange assembly 100 and a spindle 500.

Specifically, the circle cutting machine mechanism for stabilizing the coaxiality comprises an installation table 100, a lifting driving mechanism 200, a sliding table 300, a rotating driving mechanism 400, a main shaft 500, a cutter arm 600 and a cutter 610. Used for cutting round glass.

Specifically, the mounting table 100 is provided with a mounting hole, the lifting driving mechanism 200 is arranged on the mounting table 100, the sliding table 300 is connected with the lifting driving mechanism 200, the lifting driving mechanism 200 can drive the sliding table 300 to lift, the rotary driving mechanism 400 is arranged on the sliding table 300, the main shaft 500 penetrates through the mounting hole and is connected with the sliding table 300 in a rotating mode, the rotary driving mechanism 400 is connected with the main shaft 500 in a transmission mode to drive the main shaft 500 to rotate, the cutter arm 600 is arranged at the bottom end of the main shaft 500, the length of the cutter arm 600 can be adjusted, and the cutter 610 is arranged at the tail end of the cutter arm 600.

When the glass cutting machine is used, when a glass raw material is conveyed to the position right below the main shaft 500, the lifting driving mechanism 200 drives the main shaft 500 to descend until the tool tip of the cutter 610 abuts against glass, meanwhile, the rotary driving mechanism 400 drives the main shaft 500 to rotate, and the cutter arm 600 drives the cutter 610 to do circular motion to cut a circle. In this way, the main shaft 500 does not need to be limited by a spline, and the main shaft 500 does not swing in the rotating process, so that the precision of the whole circle cutting mechanism is improved.

In the present embodiment, the rotary drive mechanism 400 includes a rotary motor 410, a driving pulley 420, a driven pulley 430, and a belt 440. The rotary motor 410 is provided on the slide table 300. The capstan 420 is located on the power output shaft of the rotating electrical machine 410. The driven wheel 430 is disposed at the top end of the main shaft 500. The driving wheel 420 and the driven wheel 430 are driven by a belt 440, however, in other embodiments, the driving wheel 420 and the driven wheel 430 can also be driven by a chain; in addition, the rotary power can also be provided by manual rotation.

The lifting driving mechanism 200 includes a pneumatic telescopic cylinder, the sliding table 300 is disposed at a power output end of the pneumatic telescopic cylinder, and the pneumatic telescopic cylinder and the rotating motor 410 are disposed in a staggered manner.

The driving wheel 420 and the driven wheel 430 are flexibly connected through the belt 440, so that the purpose of driving the driven wheel 430 to rotate can be achieved, and meanwhile, the interference of the rotary power source and the driving wheel 420 with the self-adaptive flange 710 of the spindle 500 is avoided, and the precision of the spindle 500 is further influenced. In addition, the pneumatic telescopic cylinder and the rotating motor 410 are arranged in a staggered mode, transmission is not hindered, and meanwhile, the corresponding parts are convenient to install.

In the present embodiment, the present high-precision spindle drive structure includes a flange assembly 700 and a spindle 500. The flange assembly 700 is used to improve the driving accuracy of the main shaft 500. Specifically, the flange assembly 700 includes a flange 710, leveling members 720, and a fixture 730. The flange 710 includes a body 711 and a plate 712. The tray body 712 is mounted on the main body 711, and the main body 711 is inserted into a mounting hole of the mounting table 100. The leveling member 720 is mounted on the mounting table 100 and abuts against the plate 712, the leveling member 720 is movable in the axial direction of the mounting hole to adjust the coaxiality of the flange 710 with the mounting hole, and the fixing member 730 is used for fixing the flange 710 on the mounting table 100. The main shaft 500 is inserted into the main body 711, and the main shaft 500 can rotate relative to the main body 711 and slide in the axial direction of the mounting hole.

When the leveling device is used, the flange plate 710 can be leveled through the leveling piece 720, the coaxiality of the flange plate 710 and the mounting hole is improved, and further the coaxiality of the main shaft 500 and the mounting hole is improved.

In this embodiment, there are a plurality of leveling members 720, a plurality of fixing members 730, and a plurality of leveling members 720 and a plurality of fixing members 730 are located on the same circumference, and the plurality of leveling members 720 and the plurality of fixing members 730 are disposed at intervals, so that the leveling function can be improved.

In one embodiment, the leveling members 720 may be a plurality of press bolts. A plurality of jacking bolts are circumferentially arranged at intervals, the jacking bolts are in threaded connection with the mounting table 100, and the jacking bolts penetrate through the mounting table 100 from the bottom surface of the mounting table 100 and abut against the bottom surface of the plate body 712 of the flange plate 710; the connecting member may be a plurality of connecting bolts, the plurality of connecting bolts are circumferentially spaced, a threaded hole is formed in the bottom surface of the plate body 712 of the flange plate 710 along the circumferential direction of the connecting bolt, and the connecting bolt can slidably pass through the mounting table 100 and then is in threaded connection with the threaded hole. Of course, in other embodiments, the leveling member 720 may be selected in other ways, such as using a plurality of wedges, placing the wedges on the mounting block 100 with the hypotenuse of the wedges supported on the lower edge of the tray 712, and adjusting the flange 710; similarly, the connecting members may also be in the form of bolts and nuts to connect the bolts to the plate 712, and the flange 710 may also be fixed by nuts.

In this embodiment, the flange assembly 700 also includes an outer shaft 740. The outer shaft 740 is slidably inserted into the main body 711 in the up-down direction, and the main shaft 500 is rotatably inserted into a shaft hole of the outer shaft 740. The top of the outer shaft 740 is provided with a connecting disc, and the outer shaft 740 is connected with the power output end of the lifting driving mechanism 200 of the circular cutting machine through the connecting disc.

A plurality of shaft sleeves 750 are arranged between the main body 711 and the outer shaft 740, the shaft sleeves 750 are arranged at intervals along the axial direction of the outer shaft 740, and the specific number of the shaft sleeves 750 can be determined according to requirements. In a specific implementation, the number of the shaft sleeves 750 is at least two, and the two shaft sleeves 750 are respectively located at two ends of the flange 710, so that the precision of the outer shaft 740 can be conveniently adjusted. In addition, the bushing 750 may be preferably a copper bushing 750, and the surface finish of the bushing 750 may be improved by using the bushing 750 made of copper material. When the shaft sleeve 750 is sleeved on the outer shaft 740, a plurality of accommodating cavities are formed among the shaft sleeve 750, the inner wall of the flange 710 and the outer wall of the outer shaft 740, and lubricating grease can be filled in the accommodating cavities. The grease can further reduce friction.

In a preferred embodiment, the main shaft 500 includes an intermediate portion 510 and a head portion 520 coaxially disposed at two ends, wherein the diameter of the intermediate portion 510 is larger than that of the head portion 520, a first end face bearing 760 is disposed at a bottom end face of the intermediate portion 510, the first end face bearing 760 is disposed on an outer wall of the head portion 520 and connected to an inner wall of the outer shaft 740, a second end face bearing 770 is disposed at a top end face of the intermediate portion 510, and the second end face bearing 770 is disposed on an outer wall of the head portion 520 and connected to an inner wall of the outer shaft 740. Through the first end face bearing 760 and the second end face bearing 770, the main shaft 500 can be limited in the axial direction, and meanwhile, the rotation of the main shaft 500 is not hindered, so that the main shaft 500 is prevented from moving and swinging, and the transmission precision of the main shaft 500 is further improved.

In particular implementations, the lift drive mechanism 200 may also include an elastic member 210. The top end of the outer shaft 740 is provided with a connecting disc, the connecting disc is connected with the sliding table 300 through a connecting rod, the elastic part 210 is sleeved on the outer shaft 740, and two ends of the elastic part 210 are respectively abutted to the disc body 712 and the connecting disc of the flange 710. After the driving force of the pneumatic telescopic cylinder is cancelled, the sliding table 300, the outer shaft 740 and the main shaft 500 can automatically ascend and reset under the action of the elastic piece 210, so that time and labor are saved, and meanwhile, the main shaft 500 can be ensured to smoothly reset. In particular implementations, the resilient member 210 may preferably be a spring.

In this embodiment, the present circle-cutting mechanism for stabilizing coaxiality further includes a guide mechanism 800. Specifically, the guide mechanism 800 includes a guide column 810 and a rolling body 820, the guide column 810 is vertically disposed on the upper surface of the mounting table 100, the rolling body 820 is mounted on the sliding table 300, the rolling body 820 rolls along the guide column 810 during the lifting process of the sliding table 300, and the distance between the central line of the main shaft 500 and the rolling body 820 is greater than the length of the tool arm 600.

Since the rolling body 820 always abuts against the guide column 810 in the ascending or descending process, the ascending and descending of the main shaft 500 can be guided, so that the main shaft 500 is prevented from swinging left and right in the ascending, descending and rotating processes, the cutter arm 600 is prevented from swinging left and right, and the purpose of improving the cutting quality of a cut product is finally achieved. Meanwhile, the friction between the rolling elements 820 and the guide columns 810 can be reduced by changing the sliding friction into the fixed friction through the rolling elements 820. In other embodiments, the guiding mechanism 800 may also be a column rod, and the side wall of the column rod abuts against the guiding column 810 to also play a guiding role.

In one embodiment, the rolling elements 820 may be arranged in multiple sets, and each set of rolling elements 820 can roll along the guide pillar 810 against which it abuts during the lifting of the sliding platform 300. Stability may be further provided by the simultaneous action of multiple sets of rolling elements 820.

As a preferred embodiment, the rolling element 820 may be mounted on the sliding table 300 by a mounting rod 830, the mounting rod 830 is a screw, the rolling element 820 is a rolling bearing, and the rolling bearing is screwed with the screw. Adopt antifriction bearing to be rolling element 820, because antifriction bearing is the standard component, have the advantage of conveniently drawing materials and batch production, simultaneously, antifriction bearing and screw rod threaded connection, then adjustable convenient whole antifriction bearing is in the position on the screw rod to control the degree of compressing tightly of antifriction bearing and guide post 810 and the size of contact surface, realize more accurate direction.

In a more preferred embodiment, the mounting rod 830 is further provided with a positioning member 840, the positioning member 840 includes two locking threads, two locking nuts are connected to the screw rods, and the rolling bearing is clamped and fixed between the two locking threads. Through the clamping fixation of the two locking threads, the rolling bearing can be prevented from displacing in the guiding process, so that the guiding effect is influenced.

In addition, this circle cutting machine mechanism of stable axiality still is used for a circle cutting machine of stable axiality, and this circle cutting machine of stable axiality includes the circle cutting machine mechanism of above-mentioned stable axiality, still includes total lift drive 900. Specifically, the total lifting driving device 900 includes a base 910, a mounting column 920, a lifting platform 930 and a total lifting driving source 940, the lifting platform 930 is located above the base 910 and connected to the mounting platform 100, the mounting column 920 is vertically disposed on the base 910 and slidably passes through the lifting platform 930, a mounting plate is disposed on the top of the mounting column 920, the total lifting driving source 940 is disposed on the mounting plate and connected to the lifting platform 930, and the total lifting driving source 940 can drive the lifting platform 930 to ascend or descend. In specific implementation, the total lifting driving source 940 may be a telescopic cylinder, or a common screw rod rotation lifting manner may be selected.

When the height of the circle-cutting mechanism for stabilizing the coaxiality needs to be adjusted, the total lifting driving source 940 is started. The height of the circle cutting mechanism of the whole stable coaxiality can be adjusted, parts such as a conveying belt and the like can be installed in the production process conveniently, and the height of the circle cutting mechanism of the stable coaxiality can also be adjusted according to different glass thicknesses.

The high-precision spindle transmission structure comprises:

the flange plate 710 is leveled by adjusting the jacking bolts, and then the flange plate 710 is fixed by the connecting bolts, so that the coaxiality of the main shaft 500 and the mounting hole can be improved, the coaxiality error between the main shaft 500 and the mounting hole is reduced, the precision of the cutter is improved, and the purpose of improving the quality of a cutting circle is achieved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (10)

1. A high accuracy main shaft transmission structure, characterized by includes:

the flange assembly comprises a flange plate, a leveling member and a fixing member, the flange plate comprises a main body and a plate body, the plate body is installed on the main body, the main body is inserted into an installation hole of an installation table, the leveling member is installed on the installation table and abutted to the plate body, the leveling member can move along the axial direction of the installation hole to adjust the coaxiality of the flange plate and the installation hole, and the fixing member is used for fixing the flange plate on the installation table; and

the main shaft is inserted in the main body and can rotate relative to the main body and slide along the axial direction of the mounting hole.

2. The high-precision spindle drive structure according to claim 1, wherein the flange assembly further includes an outer shaft slidably inserted up and down in the main body, and the spindle is rotatably inserted in a spindle hole of the outer shaft.

3. The high-precision spindle transmission structure according to claim 2, wherein a connecting disc is arranged at the top of the outer shaft, and the outer shaft is connected with a power output end of a lifting driving assembly of the circular cutting machine through the connecting disc.

4. The high-precision spindle drive structure according to claim 2, wherein a plurality of bushings are provided between the main body and the outer shaft, the plurality of bushings being provided at intervals in an axial direction of the outer shaft.

5. A high-precision spindle transmission structure according to claim 4, wherein a plurality of accommodating cavities are formed among the shaft sleeve, the inner wall of the flange plate and the outer wall of the outer shaft, and lubricating grease is filled in the accommodating cavities.

6. The high-precision spindle transmission structure according to claim 1, wherein the number of the leveling members is plural, the number of the fixing members is plural, the plurality of the leveling members and the plurality of fixing members are located on the same circumference, and the plurality of the leveling members and the plurality of fixing members are arranged at intervals.

7. The high-precision spindle transmission structure according to claim 6, wherein the leveling member is a jacking bolt, a plurality of jacking bolts are arranged at intervals along the circumferential direction of the plate body, the jacking bolt penetrates through the mounting table from the bottom surface of the mounting table to abut against the bottom surface of the plate body of the flange plate, and the jacking bolt is in threaded connection with the mounting table.

8. The high-precision spindle transmission structure according to claim 6, wherein the fixing members are connection bolts, a plurality of the connection bolts are circumferentially spaced, a threaded hole is formed in the bottom surface of the plate body of the flange plate along the circumferential direction of the bottom surface, and the connection bolts slidably pass through the mounting table and are in threaded connection with the threaded hole.

9. The high-precision spindle transmission structure according to claim 2, wherein the spindle includes an intermediate portion and a head portion coaxially disposed at both ends, the intermediate portion has a diameter larger than that of the head portion, a first end surface bearing is disposed at a bottom end surface of the intermediate portion, and the first end surface bearing is sleeved on an outer wall of the head portion and connected to an inner wall of the outer shaft.

10. The high-precision spindle transmission structure according to claim 9, wherein a second end bearing is disposed on a top end surface of the middle portion, and the second end bearing is sleeved on an outer wall of the end portion and connected to an inner wall of the outer shaft.

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