CN214559890U

CN214559890U - Large-diameter high-precision abrasive wheel cutting machine

Info

Publication number: CN214559890U
Application number: CN202120187523.7U
Authority: CN
Inventors: 翟亚斌; 张志强; 雷志海; 翟思宸
Original assignee: Taiyuan Si Chen Machinery Equipment Co ltd
Current assignee: Taiyuan Si Chen Machinery Equipment Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-02
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a abrasive wheel cutting machine of major diameter high accuracy, include: the cutting device is provided with a grinding wheel, a power mechanism and an adjusting mechanism, the grinding wheel is arranged on the adjusting mechanism, the position of the grinding wheel in the vertical direction can be adjusted through the adjusting mechanism, and the power mechanism is connected with the grinding wheel and used for driving the grinding wheel to rotate; the moving device is provided with a working platform and a moving mechanism, wherein the working platform is arranged on the moving mechanism, and the position of the working platform can be adjusted by moving the moving mechanism back and forth in the horizontal direction and moving the moving mechanism left and right, so that a workpiece to be cut fixed on the working platform can be moved to the position below the grinding wheel. The utility model provides high cutting accuracy and cutting efficiency when cutting the work piece, and can cut big work piece.

Description

Large-diameter high-precision abrasive wheel cutting machine

Technical Field

The utility model relates to the field of cutting technology, especially, relate to a abrasive wheel cutting machine of major diameter high accuracy.

Background

During the machining and manufacturing process, the mechanical workpiece is often required to be cut to improve the quality performance of the workpiece. In the cutting of mechanical workpieces, poor stability of the workpieces leads to low cutting quality and efficiency, and defective products are easily generated. The prior cutting device has the following defects when in use: the driving force of the cutting machine mostly adopts an air cylinder or an oil cylinder, and the defects of unstable driving force, easy cutter head breaking and low safety exist in the use process; during cutting, the position of a workpiece to be cut needs to be adjusted manually, so that mechanical errors are easy to occur, the cut of the cut workpiece is not accurate, and the cutting quality of the workpiece is influenced; under the condition of not changing the size of a machine tool of the cutting machine, a large-diameter large workpiece cannot be cut.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a large-diameter high-precision abrasive wheel cutting machine to solve the above-mentioned problems pointed out in the background art.

In order to achieve the purpose of the utility model, the technical proposal is as follows:

a large-diameter high-precision abrasive wheel cutting machine comprises:

the cutting device is provided with a grinding wheel, a power mechanism and an adjusting mechanism, the grinding wheel is arranged on the adjusting mechanism, the position of the grinding wheel in the vertical direction can be adjusted through the adjusting mechanism, and the power mechanism is connected with the grinding wheel and used for driving the grinding wheel to rotate;

the moving device is provided with a working platform and a moving mechanism, wherein the working platform is arranged on the moving mechanism, and the position of the working platform can be adjusted by moving the moving mechanism back and forth in the horizontal direction and moving the moving mechanism left and right, so that a workpiece to be cut fixed on the working platform can be moved to the position below the grinding wheel.

As a further improvement, power unit includes first driving motor, transmission shaft, installation riser, the rotatable setting of transmission shaft is on the installation riser, the one end of transmission shaft is connected with first driving motor's output shaft through first driving belt, the other end pass through second driving belt with the pivot of emery wheel is connected.

As a further improvement, guiding mechanism includes first servo motor, worm wheel, backup pad, first servo motor's output shaft passes through the third driving belt and is connected with the input of worm, the rotatable setting of worm wheel is on the transmission shaft, the backup pad parallel is equipped with two, the one end of backup pad with worm wheel fixed connection, the other end is rotated with the pivot of emery wheel and is connected, through the mating reaction of worm wheel and worm for the backup pad drives the emery wheel and winds the worm wheel luffing motion together, thereby adjusts the position of emery wheel in vertical side.

As a further improvement, two be equipped with a plurality of support columns between the backup pad for stability when strengthening the backup pad and winding the worm wheel luffing motion.

As a further improvement of the present invention, the moving mechanism includes a first sliding unit and a second sliding unit, the first sliding unit is fixedly disposed on the second sliding unit, the first sliding unit includes a second servo motor, a first sliding table, a first lead screw and a first slider, an output end of the second servo motor is connected to one end of the first lead screw, the first lead screw is provided with the first slider, the first slider can move left and right on the first lead screw along a horizontal direction, the first sliding table is fixed on the first slider, and the working platform is fixed on the first sliding table; the second sliding unit comprises a third servo motor, a second sliding table, a second lead screw and a second sliding block, the output end of the third servo motor is connected with one end of the second lead screw, the second lead screw is provided with the second sliding block, the second sliding block can move back and forth along the horizontal direction on the second lead screw, and the second sliding table is fixed on the second sliding block.

As a further improvement, the working platform is provided with a plurality of inverted T-shaped grooves, which are convenient to be connected with the workpiece.

As a further improvement of the utility model, the large-diameter high-precision abrasive wheel cutting machine further comprises a rotary clamping device, the rotary clamping device is arranged on the working platform, and the rotary clamping device comprises a clamping mechanism and a rotating mechanism;

the large-diameter high-precision abrasive wheel cutting machine further comprises a supporting rotary roller, wherein the supporting rotary roller is mounted on the moving mechanism and plays a role in supporting a workpiece to be cut clamped in the rotary clamping device. The supporting rotating rollers are those commonly used by those skilled in the art.

The clamping mechanism comprises a three-jaw chuck, a connecting shaft, a forward rotation ratchet wheel, a reverse rotation ratchet wheel, a first gear, a second driving motor, a cylinder and a shifting fork, one end of the connecting shaft is fixedly connected with the three-jaw chuck, the other end of the connecting shaft is fixedly provided with the forward rotation ratchet wheel and the reverse rotation ratchet wheel, an output shaft of the second driving motor is provided with the first gear meshed with the forward rotation ratchet wheel/the reverse rotation ratchet wheel, the piston end of the cylinder is provided with the shifting fork, and one end of the first gear is positioned in an opening of the shifting fork;

the shifting fork is controlled to move through the air cylinder, the shifting fork drives the first gear to slide along an output shaft of the second driving motor to realize the meshing of the first gear with the forward rotation ratchet wheel and the reverse rotation ratchet wheel respectively, when the first gear is meshed with the forward rotation ratchet wheel, the second driving motor drives the first gear to rotate clockwise, the forward rotation ratchet wheel meshed with the first gear rotates in the same direction, and at the moment, three movable clamping jaws of the three-jaw chuck are close to the center; when the first gear is meshed with the reverse ratchet wheel, the second driving motor drives the first gear to rotate along the anticlockwise direction, the reverse ratchet wheel meshed with the first gear rotates in the same direction, and at the moment, the three movable clamping jaws of the three-jaw chuck withdraw towards the center.

The rotating mechanism comprises a third driving motor and a rotary supporting bearing, the rotary supporting bearing is rotatably sleeved on the connecting shaft, a second gear is arranged on an output shaft of the third driving motor and meshed with an outer ring of the rotary supporting bearing, a chuck sleeve is arranged on the three-jaw chuck, and the chuck sleeve is fixed on the rotary supporting bearing.

The second gear of the third driving motor is driven to rotate, the outer ring of the rotary supporting bearing meshed with the second gear rotates along with the second gear, meanwhile, the chuck sleeve fixed on the rotary supporting bearing is driven to rotate, and then the three-jaw chuck and a workpiece to be cut clamped in the three-jaw chuck are driven to rotate together through the chuck sleeve.

As a further improvement, the three-jaw chuck includes the movable jack catch of disk body and three equipartition, has the screw thread to mesh mutually with the screw thread on the disk body below the movable jack catch guide part of three equipartition, rotates in order to drive corotation ratchet/reversal ratchet through rotating first gear, and then drives the disk body and rotate, and the screw thread on the disk body drives three movable jack catch simultaneously and is close to or withdraws from to the center to the work piece of waiting to cut that adapts to different model specifications.

As a further improvement, the abrasive wheel cutting machine with large diameter and high precision further comprises a base, the cutting device and the moving device are all arranged on the base, and the horseshoe wheel is arranged below the base.

As a further improvement, the base is equipped with the safety cover, cutting device mobile device and rotary clamping device all set up in the safety cover, be equipped with the push-and-pull door on the safety cover, just still be equipped with transparent observation window on the push-and-pull door.

The utility model has the advantages that:

(1) the cutting precision is high: the X-axis direction, the Y-axis direction and the Z-axis direction of the cutting machine adopt the form of independent three-dimensional working tables, the cutting amount in the X-axis direction and the cutting amount in the Y-axis direction are adjusted by adopting the structural forms of a servo motor, a lead screw and a sliding block, the cutting amount in the Z-axis direction is adjusted by adopting the structural forms of the servo motor, a worm gear and a worm, the displacement precision of 0.01mm can be realized by adopting the servo motor, and the accurate positioning of the feed amount is ensured.

Be equipped with a plurality of support columns between the backup pad and increased the backup pad around the stability when worm wheel luffing motion, accuracy and precision when having guaranteed the emery wheel adjustment displacement.

The rotary clamping tool adopts a three-jaw chuck, and the rotation after clamping is realized through the meshing of the gear of the joint bearing and the pinion, so that the rotary structure has high rotation precision, and the concentricity can be ensured. The cutting process can be realized, the workpiece rotates at the same time, and the absolute value of the position of a rotating knife edge is ensured.

(2) The cutting efficiency is high: the utility model discloses cutting device's power adopts inverter motor, through converter regulation rotational speed, corresponds different steel, different hardness, and different specifications adopt different frequency conversion governing speed. To meet maximum operating efficiency. The utility model discloses the biggest characteristics can keep certain pressure value, need not carry out manual the completion cutting of pushing down like traditional manual work, worm gear about the servo motor control for the cutting head of grinding wheel pushes down with certain speed and moment of torsion all the time, with the biggest cutting volume of assurance cutting process.

(3) The cutting can be carried out on a large workpiece: the rotary clamping device is arranged, so that clamping and rotation of a large workpiece can be realized, three movable clamping jaws of the three-jaw chuck can be close to or quit from the center through the forward rotation ratchet wheel and the reverse rotation ratchet wheel, clamping or loosening of the large workpiece is realized, the large workpiece clamped in the three-jaw chuck can be driven to rotate through the rotary mechanism, rotary cutting of the large workpiece is realized, and the utilization rate of a cutting piece is improved by 50% under the condition of the same machine tool size. Use the cutting piece that the diameter is 400mm as an example, traditional cutting device can cut the work piece that the diameter is 130mm, and the utility model discloses a set up the cutting that rotary clamping device can satisfy the diameter and be 260mm work piece. The utility model discloses improve cutting ability greatly, under the condition that reduces equipment cost by a wide margin, the maximum working capacity who has improved equipment.

(4) The safety is high, convenient to use: through setting up totally closed safety cover, can improve the security of cutting process, set up the horseshoe wheel in the below four corners department of base, be convenient for remove this major diameter abrasive wheel cutting machine of high accuracy.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a second perspective structure of the present invention;

fig. 3 is a schematic structural view of the cutting device and the moving device according to the present invention;

FIG. 4 is an enlarged view of the structure of portion A of FIG. 3;

FIG. 5 is a second perspective view of the cutting device and the moving device of FIG. 3;

FIG. 6 is an enlarged view of the structure of portion B of FIG. 5;

fig. 7 is a schematic structural view of the rotary clamping device according to the present invention;

fig. 8 is a schematic view of the structure of fig. 7 relating to the clamping mechanism.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1

As shown in fig. 1 to 6, a large-diameter high-precision abrasive wheel cutting machine includes:

the cutting device 1 is provided with a grinding wheel 11, a power mechanism 12 and an adjusting mechanism 13, wherein the grinding wheel 11 is arranged on the adjusting mechanism 13, the position of the grinding wheel 11 in the vertical direction can be adjusted through the adjusting mechanism 13, and the power mechanism 12 is connected with the grinding wheel 11 and used for driving the grinding wheel 11 to rotate;

the moving device 2 is provided with a working platform 21 and a moving mechanism 22, the working platform 21 is arranged on the moving mechanism 22, and the position of the working platform 21 can be adjusted by moving the moving mechanism 22 back and forth and left and right in the horizontal direction, so that a workpiece to be cut fixed on the working platform 21 can be moved to the position below the grinding wheel 11;

the power mechanism 12 includes a first motor 121, a transmission shaft 122, and a mounting vertical plate 123, the transmission shaft 122 is rotatably disposed on the mounting vertical plate 123, one end of the transmission shaft 122 is connected to an output shaft of the first motor 121 through a first transmission belt 124, and the other end is connected to a rotating shaft of the grinding wheel 11 through a second transmission belt 125.

The first motor 121 is a variable frequency motor, and the rotating speed of the first motor 121 is adjusted by a frequency converter, and the variable frequency speed adjustment speed is different for different steel materials, different hardness and different specifications.

The adjusting mechanism 13 comprises a first servo motor 131, a worm 132, a worm wheel 133 and two support plates 134, an output shaft of the first servo motor 131 is connected with an input end of the worm 132 through a third transmission belt 135, the worm wheel 133 is rotatably arranged on the transmission shaft 122, the two support plates 134 are arranged in parallel, one end of each support plate 134 is fixedly connected with the worm wheel 133, the other end of each support plate 134 is rotatably connected with a rotating shaft of the grinding wheel 11, and the support plates 134 drive the grinding wheel 11 to swing up and down around the worm wheel 133 through the cooperation effect of the worm wheel 133 and the worm 132, so that the position of the grinding wheel 11 in the vertical direction is adjusted.

A plurality of supporting columns 136 are arranged between the two supporting plates 134 and used for enhancing the stability of the supporting plates 134 swinging up and down around the worm wheel 133.

The moving mechanism 22 comprises a first sliding unit and a second sliding unit, the first sliding unit is fixedly arranged on the second sliding unit, the first sliding unit comprises a second servo motor 221, a first sliding table 222, a first lead screw 223 and a first sliding block 224, the output end of the second servo motor 221 is connected with one end of the first lead screw 223, the first lead screw 223 is provided with the first sliding block 224, the first sliding block 224 can move left and right on the first lead screw 223 along the horizontal direction, the first sliding table 222 is fixed on the first sliding block 224, and the working platform 21 is fixed on the first sliding table 222; the second sliding unit comprises a third servo motor 225, a second sliding table 226, a second lead screw 227 and a second sliding block 228, the output end of the third servo motor 225 is connected with one end of the second lead screw 227, the second lead screw 227 is provided with the second sliding block 228, the second sliding block 228 can move back and forth on the second lead screw 227 along the horizontal direction, and the second sliding table 226 is fixed on the second sliding block 228.

The working platform 21 is provided with a plurality of inverted T-shaped grooves 211 which are convenient for being connected with a workpiece.

Example 2

Based on the structure of embodiment 1, in embodiment 2, the large-diameter high-precision abrasive wheel cutting machine further includes a rotary clamping device 3, the rotary clamping device 3 is disposed on the working platform 21, and as shown in fig. 7 to 8, the rotary clamping device 3 includes:

a clamping mechanism 31 having a three-jaw chuck 311 and a clamping driving mechanism 312, wherein the three-jaw chuck 311 is connected to the clamping driving mechanism 312, and the clamping driving mechanism 312 is used for driving the three movable jaws 3112 of the three-jaw chuck 311 to approach or withdraw towards the center;

and the rotating mechanism 32 is connected with the three-jaw chuck 311 and is used for driving the three-jaw chuck 311 to rotate.

The clamping driving mechanism 312 comprises a connecting shaft 313, a forward rotation ratchet wheel 314, a reverse rotation ratchet wheel 315, a first gear 316, a second motor 317, an air cylinder 318 and a shifting fork 319, one end of the connecting shaft 313 is fixedly connected with the three-jaw chuck 311, the other end of the connecting shaft is fixedly provided with the forward rotation ratchet wheel 314 and the reverse rotation ratchet wheel 315, an output shaft of the second motor 317 is provided with the first gear 316 meshed with the forward rotation ratchet wheel 314/the reverse rotation ratchet wheel 315, a piston end of the air cylinder 318 is provided with the shifting fork 319, and one end of the first gear 316 is located in an opening of the shifting fork 319.

The shift fork 319 is controlled to move by the air cylinder 318, the shift fork 319 drives the first gear 316 to slide along the output shaft of the second motor 317 to realize the meshing of the first gear 316 with the forward rotation ratchet wheel 314 and the reverse rotation ratchet wheel 315 respectively, when the first gear 316 is meshed with the forward rotation ratchet wheel 314, the second motor 317 drives the first gear 316 to rotate clockwise, the forward rotation ratchet wheel 314 meshed with the first gear 316 rotates in the same direction, and at the moment, three movable claws 3112 of the three-jaw chuck 311 approach to the center; when the first gear 316 is engaged with the reverse ratchet wheel 315, the second motor 317 drives the first gear 316 to rotate counterclockwise, and the reverse ratchet wheel 315 engaged with the first gear 316 rotates in the same direction, so that the three movable claws 3112 of the three-jaw chuck 311 are withdrawn toward the center.

The rotating mechanism 32 comprises a third motor 321 and a joint bearing 322, the joint bearing 322 is rotatably sleeved on the connecting shaft 313, a second gear 323 is arranged on an output shaft of the third motor 321, the second gear 323 is meshed with an outer ring of the joint bearing 322, a chuck sleeve 324 is arranged on the three-jaw chuck 311, and the chuck sleeve 324 is fixed on the joint bearing 322.

By driving the third motor 321 to rotate the second gear 323, the outer ring of the joint bearing engaged with the second gear 323 rotates with the second gear 323, and simultaneously drives the chuck sleeve 324 fixed on the joint bearing to rotate, so as to drive the three-jaw chuck 311 and the workpiece to be cut clamped in the three-jaw chuck 311 to rotate together through the chuck sleeve 324.

The three-jaw chuck 311 comprises a chuck body 3111 and three evenly distributed movable jaws 3112, wherein threads are arranged below the guide part of the three evenly distributed movable jaws 3112 and are meshed with the threads on the chuck body 3111, the forward rotation ratchet 314/reverse rotation ratchet 315 is driven to rotate forward/reverse through the first gear 316, the chuck body 3111 is driven to rotate forward/reverse, and the threads on the chuck body 3111 simultaneously drive the three movable jaws 3112 to approach or withdraw from the center so as to adapt to workpieces to be cut of different models and specifications.

The large-diameter high-precision abrasive wheel cutting machine further comprises a supporting rotary roller (not shown) which is mounted on the moving mechanism 22 and supports the workpiece to be cut held in the rotary clamping device 3. The supporting rotating rollers are those commonly used by those skilled in the art.

The large-diameter high-precision abrasive wheel cutting machine further comprises a base 4, the cutting device 1 and the moving device 2 are arranged on the base 4, and a horseshoe wheel 41 is arranged below the base 4, so that the large-diameter high-precision abrasive wheel cutting machine can be moved conveniently.

Be equipped with safety cover 42 on base 4, cutting device 1 mobile device 2 and rotary clamping device 3 all set up in the safety cover 42, be equipped with push-and-pull door 421 on the safety cover 42, just still be equipped with transparent observation window 422 on the push-and-pull door.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-diameter high-precision abrasive wheel cutting machine is characterized by comprising:

2. The large-diameter high-precision abrasive wheel cutting machine according to claim 1, wherein the power mechanism comprises a first driving motor, a transmission shaft and a mounting vertical plate, the transmission shaft is rotatably arranged on the mounting vertical plate, one end of the transmission shaft is connected with an output shaft of the first driving motor through a first transmission belt, and the other end of the transmission shaft is connected with a rotating shaft of the abrasive wheel through a second transmission belt.

3. The large-diameter high-precision grinding wheel cutting machine according to claim 1, characterized in that the adjusting mechanism comprises a first servo motor, a worm wheel and two support plates, an output shaft of the first servo motor is connected with an input end of the worm through a third transmission belt, the worm wheel is rotatably arranged on the transmission shaft, one end of each support plate is fixedly connected with the worm wheel, the other end of each support plate is rotatably connected with a rotating shaft of the grinding wheel, and the support plates drive the grinding wheel to swing up and down around the worm wheel through the cooperation of the worm wheel and the worm, so that the position of the grinding wheel in the vertical direction is adjusted.

4. The large-diameter high-precision abrasive wheel cutting machine according to claim 3, wherein a plurality of supporting columns are arranged between the two supporting plates for enhancing the stability of the supporting plates when the supporting plates swing up and down around the worm wheel.

5. The large-diameter high-precision grinding wheel cutting machine according to claim 1, characterized in that the moving mechanism comprises a first sliding unit and a second sliding unit, the first sliding unit is fixedly arranged on the second sliding unit, the first sliding unit comprises a second servo motor, a first sliding table, a first lead screw and a first sliding block, the output end of the second servo motor is connected with one end of the first lead screw, the first lead screw is provided with the first sliding block, the first sliding block can move left and right on the first lead screw along the horizontal direction, the first sliding table is fixed on the first sliding block, and the working platform is fixed on the first sliding table; the second sliding unit comprises a third servo motor, a second sliding table, a second lead screw and a second sliding block, the output end of the third servo motor is connected with one end of the second lead screw, the second lead screw is provided with the second sliding block, the second sliding block can move back and forth along the horizontal direction on the second lead screw, and the second sliding table is fixed on the second sliding block.

6. The large-diameter high-precision abrasive wheel cutting machine according to claim 1, wherein a plurality of inverted T-shaped grooves are formed in the working platform to facilitate connection with a workpiece.

7. The large-diameter high-precision abrasive wheel cutting machine according to claim 1, further comprising a rotary clamping device, said rotary clamping device being disposed on said work platform, said rotary clamping device including a clamping mechanism and a rotating mechanism;

8. The large-diameter high-precision grinding wheel cutting machine according to claim 7, characterized in that the three-jaw chuck comprises a disk body and three uniformly distributed movable jaws, wherein threads are arranged below the guide portions of the three uniformly distributed movable jaws and are meshed with threads on the disk body, the first gear is rotated to drive the forward rotation ratchet wheel/the reverse rotation ratchet wheel to rotate, and further drive the disk body to rotate, and the threads on the disk body simultaneously drive the three movable jaws to approach or withdraw towards the center so as to adapt to workpieces to be cut of different models and specifications.

9. The large-diameter high-precision abrasive wheel cutting machine according to claim 1, further comprising a base, wherein the cutting device and the moving device are both disposed on the base, and a horseshoe wheel is disposed below the base.

10. The large-diameter high-precision abrasive wheel cutting machine according to claim 9, wherein a protective cover is arranged on the base, a sliding door is arranged on the protective cover, and a transparent observation window is further arranged on the sliding door.