CN211565334U

CN211565334U - Grinding structure of roll grinder

Info

Publication number: CN211565334U
Application number: CN202020134311.8U
Authority: CN
Inventors: 袁松涛; 陈革新; 何阳林
Original assignee: Shanghai Shunyu Electromechanical Technology Development Co ltd
Current assignee: Shanghai Shunyu Electromechanical Technology Development Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-09-25
Anticipated expiration: 2030-01-20

Abstract

The utility model relates to a grinding structure of a roll grinder, which comprises a grinder body, a main shaft arranged on one side of the grinder body and a grinding shaft arranged at the end part of the main shaft, wherein the grinder body is provided with a top frame, the top frame is provided with a driving motor, the output shaft of the driving motor is connected with a worm, a ball screw is rotatably arranged in the top frame, and the top of the ball screw is provided with a worm wheel meshed with the worm; the ball screw is set as a reciprocating screw, a screw nut is arranged outside the ball screw, a slide bar is arranged in the machine body, a slide block is arranged on one side of the slide bar screw nut facing the slide bar, guide wheels are rotatably arranged on two sides of the slide block, and the guide wheels are abutted against two sides of the slide bar; one side of the main shaft is provided with a swing rod, and one end of the swing rod, which is far away from the main shaft, is arranged above the screw nut and is abutted against the screw nut; the top frame is hinged with a hydraulic cylinder, and the bottom of a piston rod of the hydraulic cylinder is hinged with a swing rod. The utility model discloses have hoisting device's sensitivity, improve the effect of the precision of polishing.

Description

Grinding structure of roll grinder

Technical Field

The utility model belongs to the technical field of the technique of grinding machine equipment and specifically relates to a roll grinder's structure of polishing is related to.

Background

At present, a roll grinder is a metal cutting machine, and consists of a lathe bed, a headstock, a tailstock, a bracket, a longitudinal and transverse dragging plate, a grinding head, a measuring frame and an electric numerical control system, and is divided into five subsystems, namely a bearing system, a driving system, a grinding system, a measuring system and a control system. The workpiece is supported by the headstock, tailstock and carriage and is driven for rotation by the headstock. The numerical control system controls the machine tool to do multi-axis compound motion according to a mathematical model of a bus on the surface of the roller, and grinding of the grinding wheel to the surface metal is realized in the motion process. The on-line measuring system feeds the measured data back to the grinding machine control system in real time, and the control system performs closed-loop control on the machine tool, so that the workpiece is precisely machined.

In the prior art, when a grinding machine grinds a roller, a grinding frame attachment sliding plate moves on a machine body and simultaneously rotates along a cylindrical guide rail in a small angle under a driving mechanism, so that curve grinding is realized.

The above prior art solutions have the following drawbacks: when the grinding device is used, the grinding frame is heavy and drives the grinding wheel to work, so that the inertia is large, the sensitivity of the device is affected, and the precision of the ground workpiece is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a roll grinder's structure of polishing has the sensitivity that improves the axle of polishing, improves machining precision's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a grinding structure of a roll grinder comprises a grinder body, a main shaft arranged on one side of the grinder body and a grinding shaft arranged at the end part of the main shaft, wherein a top frame is arranged on the grinder body, a driving motor is arranged on the top frame, an output shaft of the driving motor is connected with a worm, a ball screw is rotatably arranged in the top frame, and a worm wheel meshed with the worm is arranged at the top of the ball screw; the ball screw is set as a reciprocating screw, a screw nut is arranged outside the ball screw, a slide bar is arranged in the machine body, a slide block is arranged on one side of the slide bar screw nut facing the slide bar, guide wheels are rotatably arranged on two sides of the slide block, and the guide wheels are abutted against two sides of the slide bar; one side of the main shaft is provided with a swing rod, and one end of the swing rod, which is far away from the main shaft, is arranged above the screw nut and is abutted against the screw nut; the top frame is hinged with a hydraulic cylinder, and the bottom of a piston rod of the hydraulic cylinder is hinged with a swing rod.

Through adopting above-mentioned technical scheme, when using, driving motor can drive the worm and rotate, and ball screw connects the worm wheel and rotates under the drive of worm, connects screw-nut on the ball screw, and ball screw can drive screw-nut when rotating. The slide block and the guide wheel connected with the screw rod nut are matched with the slide rod to guide the screw rod nut, and the screw rod nut can only slide along the vertical direction; the ball screw is set to be a reciprocating screw, the length of a reciprocating thread is set, the screw nut can drive the sliding block to reciprocate, the swing rod is abutted against the screw nut, the swing rod can be extruded to drive one end of the swing rod to rotate when the screw nut moves, the swing rod can drive the main shaft to rotate, the main shaft drives the polishing shaft at the end part to rotate in a small range, a workpiece is subjected to curve polishing, and the sensitivity and the processing precision of the whole structure are high; the structure of the hydraulic cylinder is added, and the hydraulic cylinder can be started to drive the swing rod to move upwards to enable the swing rod to be separated from the action range of the screw rod nut when abnormal conditions occur.

The utility model discloses further set up to: the oscillating bar is provided with a connecting sleeve, and the bottom of the connecting sleeve is flush with the top of the oscillating bar.

Through adopting above-mentioned technical scheme, increase the structure of the adapter sleeve on the pendulum rod, the adapter sleeve has great weight for the pendulum rod, has played the effect of counter weight, is convenient for the pendulum rod to swing.

The utility model discloses further set up to: the top frame is provided with a connecting rod, the top of the connecting rod is provided with an inserting groove, and the top of the hydraulic cylinder is provided with an inserting block matched with the inserting groove; through holes are formed in the connecting rod and the splicing block, a connecting column is arranged on the connecting rod, an external thread is arranged at one end of the connecting column and penetrates through the through holes, and a nut is arranged on the connecting column; the one end of spliced pole is kept away from the nut has seted up the screw hole, and the grafting pole is installed to the screw thread in the screw hole.

By adopting the technical scheme, the structure of the connecting rod is increased, the structure of the insertion groove is added on the connecting rod and is used for being matched with the insertion block of the hydraulic cylinder, the connecting column is inserted into the through hole after insertion is completed, the position of the connecting column can be limited by the screw cap and the insertion rod which are installed on the connecting column, and rotary connection between the hydraulic cylinder and the connecting rod is realized.

The utility model discloses further set up to: the connecting rod is connected with a mounting block, a plurality of screws are mounted on the mounting block, the screws penetrate through the mounting block and the top frame to be in threaded connection, threaded holes are formed in the top frame, and the threaded holes are formed in the top frame in a multi-row mode and are arranged in the vertical direction.

Through adopting above-mentioned technical scheme, the installation piece on the connecting rod is used for carrying out threaded connection with the roof-rack, is convenient for carry out the installation of roof-rack, and the structure of screw hole is used for cooperating with the installation piece, uses the structure of many places screw hole and carries out vertical range for the installation optional position of installation piece more selects different screw holes to install the position that can transfer agent installation piece and connecting rod.

The utility model discloses further set up to: the top of the connecting sleeve is provided with a flange which is in threaded connection with the connecting sleeve through a screw, the swing rod and the connecting sleeve; the top of the flange plate is provided with a connecting column which is hinged with the piston rod.

Through adopting above-mentioned technical scheme, the ring flange on the adapter sleeve carries out threaded connection with the pendulum rod, has increased the structure of spliced pole on the ring flange and is used for articulating with the piston rod, has realized being connected between pendulum rod and the piston rod.

The utility model discloses further set up to: the part of the ball screw provided with the reciprocating screw thread is not more than 15 cm.

By adopting the technical scheme, the length of the reciprocating thread on the ball screw is limited, and the moving range of the screw nut is limited, so that the screw nut cannot move excessively.

The utility model discloses further set up to: the bottom of the machine body is provided with a plurality of buffer sleeves, each buffer sleeve comprises a first pipe connected with the machine body and a second pipe located below the first pipe, the second pipe is arranged outside the first pipe, the first pipe and the second pipe are both arranged to be hollow, a buffer spring is arranged in each buffer sleeve, and the two ends of each buffer spring are respectively connected with the top of the inner side of the first pipe and the bottom of the inner side of the second pipe.

By adopting the technical scheme, the buffer sleeve is formed by matching the structures of the buffer sleeve and the buffer tube I and the buffer tube II; when the machine works, the machine body drives the first pipe to move downwards, the first pipe moves downwards along the second pipe and acts on the buffer spring, and the buffer spring is extruded and has the effect of buffering and damping, so that the whole structure is more stable.

The utility model discloses further set up to: the bottom of the second pipe is provided with a mounting plate, and the mounting plate is provided with a conducting mounting hole.

By adopting the technical scheme, the mounting plate mounted at the bottom of the tube II is convenient for mounting the buffer sleeve, and the whole device is convenient to mount.

To sum up, the utility model discloses a beneficial technological effect does:

the structure that the ball screw drives the screw nut to reciprocate drives one end of the swing rod to rotate, the other end of the swing rod is connected with the main shaft, the main shaft is driven to rotate when the swing rod rotates, the polishing shaft swings to a smaller degree, a workpiece can be polished more finely, and the polishing precision is improved;

the structure of a hydraulic cylinder is added, two ends of the hydraulic cylinder are respectively hinged with the swing rod and the top frame on the machine body, and the hydraulic cylinder can be opened to enable the swing rod to move upwards to be separated from the screw rod nut when an emergency occurs;

the structure of the buffer sleeve is increased, the buffer sleeve comprises a first pipe and a second pipe, the structure of the buffer sleeve can play a role in buffering and damping after the installation of the machine body is carried out, damage to the device during use is reduced, and the service life is prolonged.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the machine body of the present invention;

fig. 3 is a schematic structural view of the feed screw nut of the present invention;

FIG. 4 is an enlarged view of part A1 of FIG. 1;

fig. 5 is a schematic view of the structure of the middle buffer sleeve of the present invention.

Reference numerals: 1. a body; 2. a main shaft; 21. grinding the shaft; 22. a swing rod; 23. connecting sleeves; 3. a buffer sleeve; 31. a first pipe; 32. a second pipe; 33. a buffer spring; 34. mounting a plate; 4. a top frame; 41. a connecting rod; 42. mounting blocks; 43. inserting grooves; 5. a drive motor; 51. a worm; 6. a ball screw; 61. a worm gear; 7. a feed screw nut; 71. a slider; 72. a guide wheel; 8. a hydraulic cylinder; 80. an insertion block; 81. a piston rod; 82. connecting columns; 83. a plug rod; 84. a flange plate; 85. a vertical rod; 9. a slide bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The longitudinal direction of the body 1 is defined as the X-axis direction, and the width direction is defined as the Y-axis direction.

Referring to fig. 1, for the utility model discloses a structure of polishing of roll grinder that rubs, including organism 1, rotate and install main shaft 2 in organism 1 one side and install the axle 21 of polishing at 2 tip of main shaft, the axis of the axle 21 of polishing and main shaft 2 all sets up and the mutual non-coincidence of axis along Y axle direction.

Referring to fig. 2 and 3, a top frame 4 is mounted on the top of the machine body 1, a driving motor 5 is mounted on the top frame 4, the driving motor 5 is arranged along the Y-axis direction in the longitudinal direction, and a worm 51 is connected to an output shaft of the driving motor 5. The length direction of the worm 51 is arranged along the Y-axis direction, the ball screw 6 is rotatably installed in the machine body 1, the top of the ball screw 6 is provided with the worm wheel 61, the axes of the two are overlapped, and the worm 51 is meshed with the worm wheel 61 and drives the ball screw 6 to rotate. A feed screw nut 7 is mounted on the ball screw 6, and the feed screw nut 7 and the ball screw 6 are in threaded fit. The ball screw 6 is set to be a bidirectional threaded rod, bidirectional threads are formed on the bidirectional threaded rod, and the length of the bidirectional threads in the vertical direction is not more than 15 cm. A slide rod 9 is fixedly installed in the machine body 1, one side of the screw rod nut 7 facing the slide rod 9 is connected with a slide block 71, guide wheels 72 are installed on two sides of the slide block 71 along the Y-axis direction, and the axis direction of the guide wheels 72 is arranged along the X-axis direction. The guide wheel 72 and the slide bar 9 are abutted along two sides of the Y-axis direction, so that the guide effect is achieved, and the lead screw nut 7 and the slide block 71 are driven to slide in a reciprocating manner in the vertical direction when the ball screw 6 rotates.

Referring to fig. 2 and 3, a swing rod 22 is connected to a side surface of the main shaft 2, and a downward projection length of the swing rod 22 in the vertical direction is arranged along the X-axis direction. One side of the oscillating bar 22, which is far away from the main shaft 2, is located above the feed screw nut 7 and is in pressure joint with the feed screw nut 7, and the oscillating bar 22 is driven to oscillate when the feed screw nut 7 moves in the vertical direction. The connecting sleeve 23 is arranged on the swing rod 22 and serves as a counterweight, so that the swing rod 22 can fall conveniently during operation.

Referring to fig. 3 and 4, a hydraulic cylinder 8 is installed on the top frame 4, a connecting rod 41 is connected to the top frame 4, an insertion groove 43 is formed in the top of the connecting rod 41, and an insertion block 80 matched with the insertion groove 43 is connected to the top of the hydraulic cylinder 8. Through holes are formed in the connecting rod 41 and the inserting block 80, a connecting column 82 is arranged on the connecting rod 41, and the length direction of the connecting column 82 is arranged along the Y-axis direction. One end of the connecting column 82 is provided with an external thread and passes through the through hole, and the connecting column 82 is provided with a nut. One end of the connecting column 82, which is far away from the nut, is provided with a threaded hole, and the threaded hole is internally provided with a plug-in rod 83 in a threaded manner. The insertion rod 83 and the nut restrict the connection post 82 from being disengaged from the through hole, and the hinge connection between the hydraulic cylinder 8 and the connecting rod 41 is achieved by means of the connection post 82. The connecting rod 41 is connected with an installation block 42, a plurality of screws are installed on the installation block 42, the screws penetrate through the installation block 42 and are in threaded connection with the top frame 4, threaded holes matched with the screws are formed in the top frame 4, and the threaded holes are arranged on the top frame 4 in a rectangular array and are provided with a plurality of rows. The mounting block 42 is connected with the top frame 4 to realize the mounting of the connecting rod 41.

Referring to fig. 3 and 4, a flange 84 is mounted on the top of the connecting sleeve 23, and the flange 84 is screwed with the swing rod 22 and the connecting sleeve 23 through screws. The top of the flange 84 is provided with a vertical rod 85, the vertical rod 85 is hinged with the piston rod 81 of the hydraulic cylinder 8, and the rotation center line of the hinged part is arranged along the Y-axis direction. The connection between the piston rod 81 and the swing link 22 is achieved.

Referring to fig. 5, a plurality of buffer sleeves 3 are installed at the bottom of the machine body 1, each buffer sleeve 3 comprises a first pipe 31 connected with the machine body 1 and a second pipe 32 located below the first pipe 31, the second pipe 32 is sleeved outside the first pipe 31, the first pipe 31 and the second pipe 32 are both hollow, a buffer spring 33 is arranged in each buffer sleeve 3, and two ends of each buffer spring 33 are respectively connected with the top of the inner side of the first pipe 31 and the bottom of the inner side of the second pipe 32. The bottom of the second pipe 32 is provided with a mounting plate 34, and the mounting plate 34 is provided with a conducting mounting hole. The buffer tubes 3 on the same side are installed in a plurality of places and arranged in the X-axis direction.

The implementation principle of the embodiment is as follows: when the screw driver is used, the driving motor 5 can drive the worm 51 to rotate, the ball screw 6 is connected with the worm wheel 61 and driven by the worm 51 to rotate, the ball screw 6 is connected with the screw nut 7, and the ball screw 6 can drive the screw nut 7 when rotating. The slider 71 and the guide wheel 72 connected with the screw nut 7 are matched with the slide rod 9 to realize the guide of the screw nut 7, and the screw nut 7 can only slide along the vertical direction. Ball screw 6 sets up to reciprocal lead screw, sets up the length of reciprocal screw thread, and reciprocating motion is gone up to screw-nut 7 can drive slider 71, and pendulum rod 22 and screw-nut 7 butt can extrude the one end that pendulum rod 22 drove pendulum rod 22 when screw-nut 7 removed and rotate, and pendulum rod 22 can drive main shaft 2 and rotate, and main shaft 2 drives the axle 21 of polishing of tip and carries out the rotation of small-amplitude, polishes the work piece curve, and overall structure's sensitivity and machining precision are higher. The structure of the hydraulic cylinder 8 is added, and the hydraulic cylinder 8 can be opened to drive the swing rod 22 to move upwards to be separated from the action range of the screw nut 7 when abnormal conditions occur.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a roll grinder's structure of polishing, includes organism (1), sets up main shaft (2) and the axle of polishing (21) of setting at main shaft (2) tip in organism (1) one side, its characterized in that: a top frame (4) is arranged on the machine body (1), a driving motor (5) is arranged on the top frame (4), an output shaft of the driving motor (5) is connected with a worm (51), a ball screw (6) is rotatably arranged in the top frame (4), and a worm wheel (61) meshed with the worm (51) is arranged at the top of the ball screw (6); the ball screw (6) is set to be a reciprocating screw, a screw nut (7) is arranged outside the ball screw (6), a sliding rod (9) is arranged in the machine body (1), a sliding block (71) is arranged on one side, facing the sliding rod (9), of the screw nut (7) of the sliding rod (9), guide wheels (72) are rotatably arranged on two sides of the sliding block (71), and the guide wheels (72) are abutted to two sides of the sliding rod (9); a swing rod (22) is arranged on one side of the main shaft (2), and one end of the swing rod (22) far away from the main shaft (2) is arranged above the screw rod nut (7) and is abutted against the screw rod nut (7); a hydraulic cylinder (8) is hinged on the top frame (4), and the bottom of a piston rod (81) of the hydraulic cylinder (8) is hinged with the swing rod (22).

2. The grinding structure of a roll grinder as claimed in claim 1, wherein: the swing rod (22) is provided with a connecting sleeve (23), and the bottom of the connecting sleeve (23) is flush with the top of the swing rod (22).

3. The grinding structure of a roll grinder as claimed in claim 1, wherein: a connecting rod (41) is arranged on the top frame (4), an inserting groove (43) is formed in the top of the connecting rod (41), and an inserting block (80) matched with the inserting groove (43) is arranged on the top of the hydraulic cylinder (8); through holes are formed in the connecting rod (41) and the inserting block (80), a connecting column (82) is arranged on the connecting rod (41), an external thread is arranged at one end of the connecting column (82) and penetrates through the through holes, and a nut is arranged on the connecting column (82); one end of the connecting column (82) far away from the nut is provided with a threaded hole, and the threaded hole is internally provided with a plug-in rod (83).

4. The grinding structure of a roll grinder as claimed in claim 3, wherein: connecting rod (41) are last to be connected with installation piece (42), install many places screw on installation piece (42), and the screw passes installation piece (42) and roof-rack (4) and carries out threaded connection, sets up threaded hole on roof-rack (4), and the threaded hole is provided with the multirow and arranges along vertical direction on roof-rack (4).

5. The grinding structure of a roll grinder as claimed in claim 2, characterized in that a flange (84) is provided on the top of the adapter sleeve (23), the flange (84) is screwed with the swing link (22) and the adapter sleeve (23) by screws; the top of the flange plate (84) is provided with a vertical rod (85), and the vertical rod (85) is hinged with the piston rod (81).

6. The grinding structure of a roll grinder as claimed in claim 1, wherein: the part of the ball screw (6) provided with the reciprocating screw thread is not more than 15 cm.

7. The grinding structure of a roll grinder as claimed in claim 1, wherein: organism (1) bottom sets up a plurality of buffer tube (3), buffer tube (3) include the pipe one (31) of being connected with organism (1) and lie in pipe two (32) of pipe one (31) below, pipe two (32) cover is established and is managed one (31) outside, pipe one (31) and pipe two (32) all set up to hollow, be provided with buffer spring (33) in buffer tube (3), buffer spring (33) both ends are the inboard top of connecting pipe one (31) and the inboard bottom of pipe two (32) respectively.

8. The grinding structure of a roll grinder as claimed in claim 7, wherein: the bottom of the second pipe (32) is provided with a mounting plate (34), and the mounting plate (34) is provided with a conducting mounting hole.