CN110666657A

CN110666657A - Crystal glass workpiece side forming grinding and polishing machine

Info

Publication number: CN110666657A
Application number: CN201911037175.9A
Authority: CN
Inventors: 陈丰伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-01-10

Abstract

The invention relates to a crystal glass workpiece side forming grinding and polishing machine, which comprises: the device comprises a frame platform, a grinding and polishing machine head, a movable clamping device and a feeding mechanism; a plurality of grinding and polishing machine heads are arranged on the machine frame platform; a group of sliding rails is fixedly arranged on the table top of the machine frame at the side of the grinding and polishing machine head, and a feeding mechanism and a discharging bin are respectively fixedly connected to the two ends of the table top; the upper surface of the sliding rail is connected with a movable clamping device in a sliding way, and the side surface of the sliding rail is fixedly connected with a rack; a first servo motor is fixedly arranged on the movable clamping device; the output end of the first servo motor is meshed with the rack through a gear to drive the movable clamping device to move back and forth right above all the grinding and polishing machine heads, the feeding mechanism and the discharging bin; a microcomputer control box is also arranged on the rack platform; the invention adopts a plurality of grinding and polishing machine heads, can finish all grinding and polishing processes, and drives the workpiece to finish uniform or equal rotation through the servo motor, thereby better ensuring the grinding and polishing precision of the workpiece and ensuring the product quality.

Description

Crystal glass workpiece side forming grinding and polishing machine

Technical Field

The invention relates to a crystal glass workpiece side forming grinding and polishing machine, and belongs to the field of crystal glass processing machinery.

Background

At present, equipment for grinding and polishing cylindrical and polygonal-prism-shaped crystal glass workpieces does not exist in the market, the existing processing is manually ground and polished by workers, the efficiency is low, the grinding and polishing precision cannot be guaranteed, particularly for polygonal-prism-shaped workpieces, the manual grinding and polishing cannot control the size precision, the side faces of the workpieces are not right, the attractiveness and the product quality are affected, and waste products are easily generated, so that the material waste is caused.

Disclosure of Invention

Technical problem to be solved

In order to solve the problems, the invention provides a crystal glass workpiece side forming grinding and polishing machine, which can simultaneously process a plurality of workpieces by a single machine and ensure the production efficiency and the processing precision by controlling a clamp and a grinding and polishing machine head through a microcomputer.

(II) technical scheme

The invention relates to a crystal glass workpiece side forming grinding and polishing machine, which comprises: the device comprises a rack table, a grinding and polishing machine head, a movable clamping device for clamping and rotating a workpiece, and a feeding mechanism; the machine frame is provided with a plurality of grinding and polishing machine heads for finishing three grinding and polishing processes of rough grinding, fine grinding and polishing of workpieces, and the number of the grinding and polishing machine heads for finishing each grinding and polishing process is at least one; a group of sliding rails is fixedly arranged on the table top of the machine frame at the side of the grinding and polishing machine head, and a feeding mechanism and a discharging bin are respectively fixedly connected to the two ends of the table top; the upper surface of the sliding rail is connected with a movable clamping device in a sliding way, and the side surface of the sliding rail is fixedly connected with a rack; a first servo motor is fixedly arranged on the movable clamping device; the output end of the first servo motor is meshed with the rack through a gear to drive the movable clamping device to move back and forth right above all the grinding and polishing machine heads, the feeding mechanism and the discharging bin; and the rack platform is also provided with a microcomputer control box.

Further, the mobile clamping device comprises: the movable frame body and the at least one group of rotary jacking mechanisms are arranged on the frame body; the bottom of the movable frame body is provided with a sliding chute correspondingly connected with the sliding rail in a sliding way, and the side wall of the movable frame body is correspondingly connected and fixed with the first servo motor; the rotary jacking mechanism is provided with a rotary component and a jacking component; the rotating assembly and the jacking assembly are respectively connected with a jacking plate, and are oppositely installed and connected on two sides of the movable frame body.

Further, the rotating assembly includes: the second servo motor, the first bearing sleeve and the first jacking rotating shaft are fixedly connected with the movable frame body; a bearing is arranged in the first bearing sleeve and is in shaft connection with the first jacking rotating shaft through the bearing; the rear end of the first top pressing rotating shaft is connected with a second private clothes motor, and the front end of the first top pressing rotating shaft is correspondingly screwed with a fixed top pressing plate.

Further, the roof pressure subassembly includes: the first pushing cylinder and the first steel sleeve are fixedly connected with the movable frame body, the second pushing rotating shaft and the second bearing sleeve are fixedly connected with the movable frame body; a bearing is arranged in the second bearing sleeve, and the second bearing sleeve is integrally sleeved in the first steel sleeve in a sliding manner after being coupled with the second jacking rotating shaft through the bearing; the front end of the second jacking rotating shaft is correspondingly screwed with a fixed jacking plate; the rear end of the second bearing sleeve is in threaded connection with a connector and is fixedly connected with a push rod of the first pushing cylinder through the connector; a limiting elongated slot is formed in the outer wall of the second bearing sleeve; a bolt pin is fixed on the side wall of the first steel sleeve in a threaded manner; the front end of the bolt pin is positioned in the limited long groove to limit the rotation of the second bearing sleeve.

Furthermore, the screwing direction of the first jacking rotating shaft and the second jacking rotating shaft with the jacking plate is opposite to the rotation direction of the second servo motor; and the outer walls of the first jacking rotating shaft and the second jacking rotating shaft are both sleeved with a sealing ring for water prevention.

Further, the polishing head comprises: the lifting frame comprises a main shaft, a lifting frame body, a power motor and a servo driving assembly, wherein the power motor and the servo driving assembly are arranged on a frame platform; the top end of the main shaft is fixedly connected with a grinding disc, and the outer wall of the bottom of the main shaft is provided with a spline groove; the lifting frame body is provided with a guide rod, a guide sleeve, a third bearing sleeve and a connecting push plate; the guide sleeve is embedded and fixed on the table top of the stand platform, and a guide rod is sleeved in the guide sleeve; the top end of the guide rod is positioned above the table top of the stand platform and is fixedly connected with the third bearing sleeve, and the bottom end of the guide rod is positioned below the table top of the stand platform and is fixedly connected with the connecting push plate; a bearing is arranged in the third bearing sleeve, and a main shaft is connected with the third bearing sleeve through the bearing in a shaft coupling mode; the bottom surface of the connecting push plate is connected with a servo driving assembly which drives the whole lifting frame body and the main shaft to synchronously lift; a second steel sleeve is sleeved on the outer side of the third bearing sleeve; the upper end of the second steel sleeve is fixedly connected with the bottom surface of the table top of the rack, and the lower end of the second steel sleeve is fixedly connected with a wheel disc connecting handle; the outer wall of the wheel disc connecting handle is connected with a belt disc through a bearing in a shaft mode; the bottom of the belt pulley is fixedly connected with a wheel disc transmission cake; the side wall of the inner hole of the wheel disc transmission cake is provided with spline teeth which are correspondingly meshed with the spline grooves; and after the power motor is connected with the belt pulley for transmission, the main shaft is driven to rotate through the wheel disc transmission cake.

Further, the servo drive assembly includes: a third servo motor, a ball screw, a third steel sleeve, a pushing sleeve and a nut sleeve; the top of the third steel sleeve is correspondingly connected and fixed with the rack platform, and the bottom of the third steel sleeve is fixedly connected with a third servo motor; after the nut sleeve is fixedly embedded in the pushing sleeve, the pushing sleeve is integrally sleeved in the third steel sleeve in a sliding manner; one end of the ball screw is fixedly connected with the output end of the third servo motor, and the other end of the ball screw extends into the pushing sleeve and is correspondingly connected with the nut sleeve in a threaded manner; the top of the pushing sleeve is correspondingly and fixedly connected with the connecting push plate of the lifting frame body so as to push the lifting frame body to finish lifting.

Further, the feed mechanism includes: the lifting platform plate, the support platform and the second pushing cylinder; the support table is correspondingly connected and fixed with the table top of the rack table, and a second pushing cylinder is fixedly arranged on the support table; the bracket platform is movably connected with a lifting platform plate through a guide pillar and a guide sleeve, and a limit adjusting rod consisting of a bolt and a nut is arranged between the bracket platform and the lifting platform plate so as to adjust the lifting height of the lifting platform plate; the bottom surface of the lifting bedplate is correspondingly and fixedly connected with a push rod of a second pushing cylinder, and the top surface of the lifting bedplate is fixedly provided with material storage bins with the number equal to that of the rotary pushing mechanisms through bolts; and a spacing avoiding groove is also formed at the joint of the top surface of the lifting bedplate and the material storage bin.

Further, the storage bin consists of two material leaning plates; the two material leaning plates are symmetrically distributed on two sides of the avoiding groove in a mirror image mode.

Furthermore, the opposite surfaces of the two material leaning plates are provided with slope surfaces, and the included angle between the slope surfaces is 90 degrees.

(III) advantageous effects

The invention has the following beneficial effects: according to the crystal glass workpiece side forming grinding and polishing machine, a plurality of grinding and polishing machine heads are adopted, all grinding and polishing processes can be completed, the workpiece is driven by the servo motor to complete uniform or equal rotation, the grinding and polishing precision of the workpiece can be guaranteed, and the product quality is guaranteed.

Drawings

Fig. 1 is a schematic view of the overall mechanism of the present invention.

FIG. 2 is a schematic view of the mobile clamping device of the present invention.

Fig. 3 is an internal view of the rotary press mechanism of the present invention.

Fig. 4 is an internal view of the polisher head of the present invention.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is an enlarged view at B in fig. 4.

Fig. 7 is a schematic structural view of the feeding mechanism in the present invention.

Fig. 8 is an internal view of the loading mechanism of the present invention.

Detailed Description

As shown in fig. 1-8, a crystal glass workpiece side forming polishing machine comprises: the device comprises a frame 1, a grinding and polishing machine head 2, a movable clamping device 3 for clamping and rotating a workpiece, and a feeding mechanism 4; the machine frame 1 is provided with a plurality of grinding and polishing machine heads 2 used for finishing three grinding and polishing processes of rough grinding, fine grinding and polishing of workpieces, and the number of the grinding and polishing machine heads 2 correspondingly finishing each grinding and polishing process is at least one; a group of slide rails 11 are fixedly arranged on the table-board of the frame table 1 at the side of the grinding and polishing machine head 2, and a feeding mechanism 4 and a discharging bin 5 are respectively fixedly connected to the two ends of the table-board; the upper surface of the sliding rail 11 is connected with the movable clamping device 3 in a sliding way, and the side surface is fixedly connected with a rack 6; a first servo motor 7 is fixedly arranged on the movable clamping device 3; the output end of the first servo motor 7 is meshed with the rack 6 through a gear to drive the movable clamping device 3 to move back and forth right above all the grinding and polishing machine heads 2, the feeding mechanism 4 and the discharging bin 5; and a microcomputer control box 12 is also arranged on the rack stand 1.

Referring to fig. 2, the moving clamp device 3 includes: a movable frame body 31 and at least one group of rotary jacking mechanisms 32; the bottom of the movable frame body 31 is provided with a sliding chute 311 correspondingly connected with the sliding rail 11 in a sliding manner, and the side wall of the movable frame body is correspondingly connected and fixed with the first servo motor 7; the rotary jacking mechanism 32 is provided with a rotating component 321 and a jacking component 322; the rotating assembly 321 and the pressing assembly 322 are respectively connected to a pressing plate 323, and are relatively installed and connected to two sides of the movable frame 31.

Referring to fig. 3, the rotating assembly 321 includes: a second servo motor 3211, a first bearing sleeve 3212 and a first pressing spindle 3213, which are fixedly connected to the movable frame 31; a bearing is installed in the first bearing sleeve 3212 and is coupled to the first jacking rotating shaft 3213 through the bearing; the rear end of the first top pressure rotating shaft 3213 is connected with a second private clothes motor 3211, and the front end is correspondingly screwed with the top pressure plate 323.

Referring to fig. 3, the pressing assembly 322 includes: a first pushing cylinder 3221, a first steel sleeve 3222, a second pushing rotating shaft 3223 and a second bearing sleeve 3224 which are fixedly connected with the moving frame body 31; a bearing is arranged in the second bearing sleeve 3224, and is coupled with the second jacking rotating shaft 3223 through the bearing, and then the whole is sleeved in the first steel sleeve 3222 in a sliding manner; the front end of the second top pressure rotating shaft 3223 is correspondingly screwed with the fixed top pressure plate 323; the rear end of the second bearing sleeve 3224 is screwed with a connecting head 3225, and is fixedly connected with the pushing rod of the first pushing cylinder 3221 through the connecting head 3225; a limited elongated slot 32241 is formed in the outer wall of the second bearing sleeve 3224; a bolt pin 3226 is screwed and fixed on the side wall of the first steel sleeve 3222; the front end of the bolted pin 3226 is positioned within the defined slot 32241 to limit rotation of the second bearing sleeve 3224.

Preferably, the screwing direction of the first pressing rotating shaft 3213 and the second pressing rotating shaft 3223 and the pressing plate 323 is opposite to the rotation direction of the second servo motor 3211; the outer walls of the first jacking rotating shaft 3213 and the second jacking rotating shaft 3223 are both sleeved with a waterproof sealing ring 324.

Referring to fig. 1, 4 and 5, the polishing head 2 includes: the device comprises a main shaft 21, a lifting frame body 22, a power motor 23 and a servo driving assembly 24, wherein the power motor 23 and the servo driving assembly are installed on a frame stand 1; the top end of the main shaft 21 is fixedly connected with a grinding disc 20, and the outer wall of the bottom of the main shaft is provided with a spline groove 211; the lifting frame body 22 is provided with a guide rod 221, a guide sleeve 222, a third bearing sleeve 223 and a connecting push plate 224; the guide sleeve 222 is fixedly embedded on the table top of the rack table 1, and a guide rod 221 is sleeved in the guide sleeve; the top end of the guide rod 221 is positioned above the table top of the stand 1 and is fixedly connected with the third bearing sleeve 223, and the bottom end of the guide rod is positioned below the table top of the stand 1 and is fixedly connected with the connecting push plate 224; a bearing is arranged in the third bearing sleeve 223, and the main shaft 21 is connected with the bearing through the bearing in a shaft coupling mode; the bottom surface of the connecting push plate 224 is connected with a servo driving assembly 24 for driving the whole lifting frame body 22 and the main shaft 21 to synchronously lift; a second steel sleeve 25 is sleeved on the outer side of the third bearing sleeve 223; the upper end of the second steel sleeve 25 is fixedly connected with the bottom surface of the table top of the rack table 1, and the lower end of the second steel sleeve is fixedly connected with a wheel disc connecting handle 26; the outer wall of the wheel disc connecting handle 26 is connected with a belt disc 27 through a bearing in a shaft mode; the bottom of the belt pulley 27 is fixedly connected with a wheel disc transmission cake 28; the side wall of the inner hole of the wheel disc transmission cake 28 is provided with spline teeth 281 which are correspondingly meshed with the spline grooves 211; after the power motor 23 is connected with the belt pulley 27 for transmission, the main shaft 21 is driven to rotate through the wheel disc transmission cake 28.

Referring to fig. 6, the servo drive assembly 24 includes: a third servo motor 241, a ball screw 242, a third steel sleeve 243, a pushing sleeve 244 and a nut sleeve 245; the top of the third steel sleeve 243 is correspondingly connected and fixed with the frame 1, and the bottom of the third steel sleeve is fixedly connected with a third servo motor 241; after the pushing sleeve 244 is internally embedded and fixed with a nut sleeve 245, the whole pushing sleeve is sleeved in the third steel sleeve 243 in a sliding manner; one end of the ball screw 242 is fixedly connected with the output end of the third servo motor 241, and the other end extends into the pushing sleeve 244 and is correspondingly connected with the nut sleeve 245 in a threaded manner; the top of the pushing sleeve 244 is fixedly connected to the connecting pushing plate 224 of the elevator body 22, so as to push the elevator body 22 to complete the lifting.

Referring to fig. 7 and 8, the feeding mechanism 4 includes: a lifting bedplate 41, a bracket platform 42 and a second pushing cylinder 43; the support table 42 is correspondingly connected and fixed with the table surface of the frame table 1, and a second pushing cylinder 43 is fixedly arranged on the support table; the support table 42 is movably connected with a lifting bedplate 41 through a guide post and a guide sleeve, and a limit adjusting rod 45 consisting of a bolt and a nut is arranged between the support table and the lifting bedplate to adjust the lifting height of the lifting bedplate 41; the bottom surface of the lifting bedplate 41 is correspondingly and fixedly connected with a push rod of a second push cylinder 43, and the top surface is fixedly provided with material storage bins 44 with the number equal to that of the rotary push mechanisms 32 through bolts; the connection between the top surface of the lifting bedplate 41 and the material storage bin 44 is further provided with an avoiding groove 411.

Preferably, the storage bin 44 is composed of two material rest plates 441; the two material leaning plates 441 are symmetrically distributed on two sides of the avoiding groove 411 in a mirror image mode; the opposite surfaces of the two material leaning plates 441 are provided with slope surfaces 4411, and the included angle between the slope surfaces 4411 of the two material leaning plates is 90 degrees; the material of the regular polygon prism crystal workpiece is cuboid, and the polishing of polygon prism is started from the edge of the raw material, so that the cuboid raw material needs to be downward, and the slope surface 4411 can just abut against two adjacent side surfaces of the edge to fix the material.

With reference to fig. 1-8, the working principle and the operation process of the present invention are as follows: after the material is put into the material storage bin 44 of the feeding mechanism 4, the first servo motor 7 acts to drive the mobile clamping device 3 to move to the position right above the feeding mechanism 4, and meanwhile, the rotary jacking mechanism 32 is positioned right above the material, and then the second jacking cylinder 43 of the feeding mechanism 4 jacks the material until the material is leveled with the rotary jacking mechanism 32; then, the top pressing mechanism 32 starts to operate, as shown in fig. 2 and 3, first, the first top pressing cylinder 3221 on the top pressing assembly 322 pushes the first steel sleeve 3222 to drive the top pressing plate 323 at the front end of the second top pressing rotating shaft 3223 to push the material forward to the top pressing plate 323 on the rotating assembly 321, so that the two top pressing plates 323 press two end surfaces of the material; then, the first servo motor 7 acts again to drive the rotary jacking mechanism 32 to move to a position right above the first polishing head 2, the second servo motor 3211 on the rotating assembly 321 acts to drive the workpiece to rotate at a constant speed or in equal intervals, then the polishing head 2 starts to work, the power motor 23 thereon drives the spindle 21 and the grinding disc 20 at the top of the spindle 21 to rotate through the belt disc 27 and the disc drive cake 28 shown in fig. 4, meanwhile, the driving assembly 24 shown in fig. 6 starts to act, the third servo motor 241 thereon drives the ball screw 242 to rotate, and under the action of the nut sleeve 245, the pushing sleeve 244 pushes the whole lifting frame body 22 in fig. 3 to move upwards, so as to drive the spindle 21 and the grinding disc 20 to rise to contact and polish the workpiece material; after finishing grinding and polishing, the first grinding and polishing machine head 2 is stopped and returned, the first servo motor 7 acts again to drive the materials on the rotary jacking and pressing mechanism 32 to sequentially move to the position right above the subsequent grinding and polishing machine head 2 so as to finish grinding and polishing processing, and finally, the movable clamping device 3 is positioned above the discharging bin 5 to finish discharging, so that the whole processing process is finished.

According to the crystal glass workpiece side forming grinding and polishing machine, a plurality of grinding and polishing machine heads are adopted, all grinding and polishing processes can be completed, the workpiece is driven by the servo motor to complete uniform or equal rotation, the grinding and polishing precision of the workpiece can be guaranteed, and the product quality is guaranteed.

It is to be understood that the exemplary embodiments described herein are illustrative and not restrictive; although the embodiments of the present invention have been described with reference to the accompanying drawings, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A crystal glass workpiece side forming grinding and polishing machine comprises: the grinding and polishing machine comprises a machine frame (1), a grinding and polishing machine head (2), a movable clamping device (3) for clamping and rotating a workpiece, and a feeding mechanism (4); the method is characterized in that: the machine frame (1) is provided with a plurality of grinding and polishing machine heads (2) used for finishing three grinding and polishing processes of rough grinding, fine grinding and polishing of workpieces, and the number of the grinding and polishing machine heads (2) correspondingly finishing each grinding and polishing process is at least one; a group of slide rails (11) are fixedly arranged on the table top of the frame table (1) at the side of the grinding and polishing machine head (2), and a feeding mechanism (4) and a discharging bin (5) are respectively fixedly connected to the two ends of the table top; the upper surface of the sliding rail (11) is connected with a movable clamping device (3) in a sliding way, and the side surface is fixedly connected with a rack (6); a first servo motor (7) is fixedly arranged on the movable clamping device (3); the output end of the first servo motor (7) is meshed with the rack (6) through a gear to drive the movable clamping device (3) to move back and forth right above all the grinding and polishing machine heads (2), the feeding mechanism (4) and the discharging bin (5); and the rack stand (1) is also provided with a microcomputer control box (12).

2. The crystal glass workpiece side forming grinding and polishing machine according to claim 1, characterized in that: the mobile gripping device (3) comprises: a movable frame body (31) and at least one group of rotary jacking mechanisms (32); the bottom of the movable frame body (31) is provided with a sliding chute (311) corresponding to the sliding connection sliding rail (11), and the side wall of the movable frame body is correspondingly connected and fixed with the first servo motor (7); the rotary jacking mechanism (32) is provided with a rotary component (321) and a jacking component (322); the rotating assembly (321) and the jacking assembly (322) are respectively connected with a jacking plate (323) and are oppositely arranged and connected at two sides of the movable frame body (31).

3. The crystal glass workpiece side forming grinding and polishing machine of claim 2, which is characterized in that: the rotating assembly (321) comprises: a second servo motor (3211), a first bearing sleeve (3212) and a first jacking shaft (3213) which are fixedly connected with the movable frame body (31); a bearing is arranged in the first bearing sleeve (3212) and is in shaft connection with the first jacking rotating shaft (3213) through the bearing; the rear end of the first top pressing rotating shaft (3213) is connected with a second private clothes motor (3211), and the front end is correspondingly screwed with a fixed top pressing plate (323).

4. The crystal glass workpiece side forming grinding and polishing machine of claim 2, which is characterized in that: the top pressure component (322) comprises: a first jacking cylinder (3221) and a first steel sleeve (3222) which are fixedly connected with the movable frame body (31), a second jacking rotating shaft (3223) and a second bearing sleeve (3224); a bearing is arranged in the second bearing sleeve (3224), and after the bearing is coupled with the second jacking rotating shaft (3223) through the bearing, the second bearing sleeve is integrally sleeved in the first steel sleeve (3222) in a sliding manner; the front end of the second jacking rotating shaft (3223) is correspondingly screwed with a fixed jacking plate (323); the rear end of the second bearing sleeve (3224) is in threaded connection with a connector (3225) and is fixedly connected with a pushing rod of the first pushing cylinder (3221) through the connector (3225); the outer wall of the second bearing sleeve (3224) is provided with a limited long groove (32241); a bolt pin (3226) is fixed to the side wall of the first steel sleeve (3222) in a threaded mode; the front end of the bolt pin (3226) is located within the defined slot (32241) to limit rotation of the second bearing sleeve (3224).

5. A crystal glass workpiece side forming grinding and polishing machine as claimed in claims 3 and 4, characterized in that: the screwing direction of the first jacking rotating shaft (3213) and the second jacking rotating shaft (3223) and the jacking plate (323) is opposite to the rotation direction of the second servo motor (3211); the outer walls of the first jacking rotating shaft (3213) and the second jacking rotating shaft (3223) are respectively sleeved with a waterproof sealing ring (324).

6. The crystal glass workpiece side forming grinding and polishing machine according to claim 1, characterized in that: the grinding and polishing head (2) comprises: the device comprises a main shaft (21), a lifting frame body (22), a power motor (23) and a servo driving assembly (24), wherein the power motor (23) and the servo driving assembly are installed on a rack stand (1); the top end of the main shaft (21) is fixedly connected with a grinding disc (20), and the outer wall of the bottom of the main shaft is provided with a spline groove (211); the lifting frame body (22) is provided with a guide rod (221), a guide sleeve (222), a third bearing sleeve (223) and a connecting push plate (224); the guide sleeve (222) is fixedly embedded on the table top of the rack table (1) and is internally sleeved with a guide rod (221); the top end of the guide rod (221) is positioned above the table top of the rack table (1) and is fixedly connected with the third bearing sleeve (223), and the bottom end of the guide rod is positioned below the table top of the rack table (1) and is fixedly connected with the connecting push plate (224); a bearing is arranged in the third bearing sleeve (223), and a main shaft (21) is connected with the bearing in a shaft mode; the bottom surface of the connecting push plate (224) is connected with a servo driving assembly (24) which drives the whole lifting frame body (22) and the main shaft (21) to synchronously lift; a second steel sleeve (25) is sleeved on the outer side of the third bearing sleeve (223); the upper end of the second steel sleeve (25) is fixedly connected with the bottom surface of the table top of the rack table (1), and the lower end of the second steel sleeve is fixedly connected with a wheel disc connecting handle (26); the outer wall of the wheel disc connecting handle (26) is connected with a belt disc (27) through a bearing in a shaft mode; the bottom of the belt pulley (27) is fixedly connected with a wheel disc transmission cake (28); the side wall of the inner hole of the wheel disc transmission cake (28) is provided with spline teeth (281) which are correspondingly meshed with the spline grooves (211); and after the power motor (23) is connected with the belt pulley (27) for transmission, the main shaft (21) is driven to rotate through the wheel disc transmission cake (28).

7. The crystal glass workpiece side forming grinding and polishing machine of claim 6, which is characterized in that: the servo drive assembly (24) comprises: a third servo motor (241), a ball screw (242), a third steel sleeve (243), a pushing sleeve (244) and a nut sleeve (245); the top of the third steel sleeve (243) is correspondingly connected and fixed with the rack frame (1), and the bottom of the third steel sleeve is fixedly connected with a third servo motor (241); after a nut sleeve (245) is fixedly embedded in the pushing sleeve (244), the pushing sleeve is integrally sleeved into a third steel sleeve (243) in a sliding manner; one end of the ball screw (242) is fixedly connected with the output end of the third servo motor (241), and the other end of the ball screw extends into the pushing sleeve (244) and is correspondingly connected with the nut sleeve (245) in a threaded manner; the top of the pushing sleeve (244) is correspondingly and fixedly connected with the connecting push plate (224) of the lifting frame body (22) so as to push the lifting frame body (22) to finish lifting.

8. The crystal glass workpiece side forming grinding and polishing machine according to claim 1, characterized in that: the feeding mechanism (4) comprises: a lifting bedplate (41), a support platform (42) and a second pushing cylinder (43); the support table (42) is correspondingly connected and fixed with the table surface of the rack table (1), and a second pushing cylinder (43) is fixedly arranged on the support table; the bracket table (42) is movably connected with a lifting table plate (41) through a guide post and a guide sleeve, and a limit adjusting rod (45) consisting of a bolt and a nut is arranged between the bracket table and the lifting table plate to adjust the lifting height of the lifting table plate (41); the bottom surface of the lifting bedplate (41) is correspondingly and fixedly connected with a push rod of a second push cylinder (43), and the top surface is fixedly provided with storage bins (44) with the number equal to that of the rotary push mechanisms (32) through bolts; and a clearance groove (411) is also formed at the joint of the top surface of the lifting bedplate (41) and the storage bin (44).

9. The crystal glass workpiece side forming grinding and polishing machine of claim 8, wherein: the storage bin (44) consists of two material leaning plates (441); the two material-leaning plates (441) are symmetrically distributed on two sides of the avoiding groove (411) in a mirror image mode.

10. The crystal glass workpiece side forming grinding and polishing machine of claim 9, which is characterized in that: the opposite surfaces of the two material leaning plates (441) are respectively provided with a slope surface (4411), and the included angle between the slope surfaces (4411) of the two material leaning plates is 90 degrees.