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CN116871615B - Large taper mechanism with balance adjusting function - Google Patents

Large taper mechanism with balance adjusting function Download PDF

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Publication number
CN116871615B
CN116871615B CN202311149191.3A CN202311149191A CN116871615B CN 116871615 B CN116871615 B CN 116871615B CN 202311149191 A CN202311149191 A CN 202311149191A CN 116871615 B CN116871615 B CN 116871615B
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CN
China
Prior art keywords
sliding
fixedly connected
push rod
lead screw
stand
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CN202311149191.3A
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Chinese (zh)
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CN116871615A (en
Inventor
赵玉兵
潘长青
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Taizhou Wenjie Cnc Equipment Co ltd
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Taizhou Wenjie Cnc Equipment Co ltd
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Priority to CN202311149191.3A priority Critical patent/CN116871615B/en
Publication of CN116871615A publication Critical patent/CN116871615A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00Auxiliary apparatus or details, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02Wire-cutting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention relates to the technical field of wire cutting, and discloses a large taper mechanism with a balance adjusting function. Including the stand, stand sliding connection has the crane, one side of stand is provided with the recess, the recess internal rotation of stand is connected with first lead screw, the upside sliding connection of crane has the sliding frame, one side rotation of crane is connected with the second lead screw, the sliding frame passes through the mounting panel in second lead screw threaded connection, one side rigid coupling of sliding frame has fixed guide, fixed guide rotates and is connected with the third lead screw, fixed guide sliding connection has the sliding plate, install movable wire frame between stand and the sliding plate, one side rigid coupling that the sliding frame was kept away from to the crane has the supporting shoe, the supporting shoe is provided with the counter weight levelling mechanism that is used for adjusting the stand atress. The device avoids single-side stress of the upright post by arranging the lifting frame and the sliding frame around the upright post, and simultaneously makes the stress on the periphery of the upright post uniform under the action of the balancing weight, so that the movement error is reduced.

Description

Large taper mechanism with balance adjusting function
Technical Field
The invention relates to the technical field of wire cutting, in particular to a large taper mechanism with a balance adjusting function.
Background
The wire cutting technology is also called an electric spark cutting technology, and the wire cutting is used for locally melting a metal workpiece through pulse current on an electrode wire, so that the purpose of cutting the metal workpiece is achieved, and the mode of cutting the metal workpiece has the advantages of high precision and wide application range, so that the fields of grinding tool machining and the like are widely used, and a large taper mechanism is applied to a wire cutting machine tool, so that the wire cutting machine field has the capability of cutting in a complex shape.
All parts are located on one side of the upright post, so that uneven stress of the upright post is caused, the upright post is stressed for a long time to change to cause micro deformation, the part of the large taper mechanism is caused to displace inaccurately in the moving process, and then the precision of cutting a subsequent workpiece is reduced.
Disclosure of Invention
In order to overcome the defect that the large taper mechanism on the traditional linear cutting machine is positioned on one side of the upright post, so that uneven stress on the upright post is caused, and the upright post is slightly deformed due to stress change for a long time, so that inaccurate displacement phenomenon occurs in the moving process of the large taper mechanism part, and the precision of subsequent workpiece cutting is reduced, the invention provides the large taper mechanism with the balance adjusting function.
The utility model provides a big tapering mechanism with balanced regulation function, including the brace table, the brace table rigid coupling has the stand, stand sliding connection has the crane, one side of stand is provided with the recess, the recess internal rotation of stand is connected with first lead screw, first lead screw passes through servo motor drive, crane and first lead screw threaded connection, the upper side sliding connection of crane has the carriage, one side rotation of crane is connected with the second lead screw, the second lead screw passes through servo motor drive, the carriage passes through mounting panel and second lead screw threaded connection, crane and carriage distribute around the stand, one side rigid coupling of carriage has fixed guide, fixed guide rotates and is connected with the third lead screw, the third lead screw passes through servo motor drive, the servo motor of connection at first lead screw, second lead screw and third lead screw all is connected with the control cabinet electricity, fixed guide sliding connection has the sliding plate, third lead screw and sliding plate threaded connection, install movable wire frame between stand and the sliding plate, one side rigid coupling that the carriage kept away from the sliding plate has the supporting shoe, the supporting shoe is provided with the leveling counter weight mechanism that is used for adjusting the stand atress.
Further, the sliding frame is provided with square through holes, and the overall weight of the sliding frame is reduced.
Further, counter weight levelling mechanism is including first guide rail, first guide rail rigid coupling is close to one side of supporting shoe in the stand, supporting shoe and first guide rail sliding connection, one side rigid coupling that the sliding plate was kept away from to the supporting shoe has the second guide rail, second guide rail sliding connection has the sliding block, the sliding block rigid coupling has symmetrical bracing piece, the rigid coupling has first connecting plate between the symmetrical bracing piece, sliding connection has the balancing weight between the symmetrical bracing piece, the balancing weight is used for balanced fixed rail and its upper member's weight, the sliding frame is provided with the balance adjustment subassembly that is used for adjusting the balancing weight position.
Further, balance adjustment subassembly is including the first elastic component of symmetry, adjacent bracing piece is located respectively to first elastic component cover of symmetry, first elastic component of symmetry distributes in the both sides of balancing weight, first elastic component both ends that are close to the stand are respectively with sliding block and balancing weight rigid coupling, keep away from the first elastic component both ends of stand respectively with balancing weight and first connecting plate rigid coupling, one side rigid coupling of lifting frame has first push rod, first push rod is provided with two flexible ends of symmetry, two flexible ends of first push rod all are with the sliding frame rigid coupling, the rigid coupling has the support frame between sliding block and the first connecting plate, the support frame rigid coupling has the second push rod, the second push rod is provided with two flexible ends of symmetry, two flexible ends of second push rod are respectively in the both sides of balancing weight through the mounting panel rigid coupling, pass through oil pipe intercommunication between first push rod and the second push rod, oil pipe intussuseption between first push rod, second push rod and the two, be provided with the left and right leveling part that is used for driving the balancing weight to remove between fixed guide rail and the supporting shoe.
Further, the left leveling component and the right leveling component comprise a third push rod, the third push rod is fixedly connected to the upper side of a fixed guide rail, the third push rod is provided with two symmetrical telescopic ends, a first fixed block is fixedly connected to the upper side of a sliding plate, a connecting rod fixedly connected to the first fixed block is fixedly connected with the two telescopic ends of the third push rod, a fourth push rod is fixedly connected to a supporting block through a mounting plate, the fourth push rod is provided with two symmetrical telescopic ends, the third push rod and the fourth push rod are communicated through two oil pipes, hydraulic oil is filled in the oil pipes between the third push rod and the fourth push rod, a second fixed block is fixedly connected to the sliding block, a symmetrical second connecting plate is fixedly connected to the second guide rail, a fixed rod is fixedly connected between the symmetrical second connecting plate, a second elastic piece is sleeved on the fixed rod, and two ends of the second elastic piece are fixedly connected with the second connecting plate and the second fixed block respectively.
Further, still including the stress detection mechanism that is used for detecting stand stress variation, stress detection mechanism sets up in the brace table, stress detection mechanism is including the guide post, the guide post rigid coupling is in the brace table, guide post sliding connection has the carriage, the carriage rigid coupling has first limiting plate, the carriage rigid coupling has the second limiting plate, the second limiting plate is located the downside of first limiting plate, and first limiting plate and second limiting plate extrusion contact, the carriage rigid coupling has symmetrical extension board, the extension board of symmetry is located the both sides of carriage respectively, one side of stand is provided with the spout, the extension board rigid coupling has piezoelectric sensor module, piezoelectric sensor module rigid coupling has the roller train of sliding connection in the stand spout.
Further, the guide post is in a vertical state with the supporting table, and is used for improving the detection precision of the stress change of the opposite post.
Further, the adjacent surfaces of the first limiting plate and the second limiting plate are smooth surfaces, and friction force between the first limiting plate and the second limiting plate is reduced.
Further, the piezoelectric sensor module is formed by combining a plurality of sensing element arrays and is used for detecting pressure changes in different directions.
Further, the roller set is used for reducing the frictional force between the piezoelectric sensor module and the upright post, and is formed by matching three rollers, and the roller set is in extrusion contact with three sides of a chute of the upright post.
The invention has the following advantages:
1. the device avoids single-side stress of the upright post by arranging the lifting frame and the sliding frame around the upright post, and simultaneously makes the stress on the periphery of the upright post uniform under the action of the balancing weight, so that the movement error is reduced.
2. The distance between the balancing weight and the upright post is adjusted through the movement of the sliding frame, so that the gravity center deviation of the upright post caused by the movement of the sliding frame is balanced, and the stress balance of the front side and the rear side of the upright post in the using process of the device is ensured.
3. The position of the balancing weight is adjusted through the movement of the sliding plate, and the balancing weight balances the gravity center deviation of the upright post caused by the left and right movement of the sliding plate, so that the left and right sides of the upright post are kept balanced in stress.
4. The three-sided extrusion contact of spout of roller train and stand, simultaneously piezoelectric sensor module are used for detecting the pressure variation between roller train and the stand, and then detect the stress variation of stand, after the stand appears stress variation, need maintain or change the stand of this device, and the piezoelectric sensor module of upper and lower both sides detects the stand in step, improves the precision to stand stress variation detection.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic rear perspective view of the present invention;
FIG. 3 is a schematic perspective view of a lifting frame and a sliding frame according to the present invention;
FIG. 4 is a schematic cross-sectional perspective view of the lift of the present invention;
FIG. 5 is a schematic side view of the support block and counterweight of the invention;
FIG. 6 is a schematic side perspective view of a first push rod and a second push rod according to the present invention;
FIG. 7 is a schematic perspective view of a third pushrod and a first fixed block according to the invention;
FIG. 8 is a schematic rear perspective view of a fourth pushrod and a second fixed block according to the invention;
FIG. 9 is a schematic perspective view of a stress detection mechanism according to the present invention;
fig. 10 is an enlarged perspective view of fig. 9 a according to the present invention.
Part names and serial numbers in the figure: the device comprises a 1-supporting table, a 2-upright post, a 3-lifting frame, a 4-first lead screw, a 5-sliding frame, a 6-second lead screw, a 7-fixed guide rail, a 8-third lead screw, a 9-sliding plate, a 10-movable wire frame, a 11-supporting block, a 12-first guide rail, a 13-second guide rail, a 14-sliding block, a 15-supporting rod, a 16-first connecting plate, a 17-balancing weight, a 18-first elastic piece, a 19-first push rod, a 20-supporting frame, a 21-second push rod, a 22-third push rod, a 23-first fixed block, a 24-fourth push rod, a 25-second fixed block, a 26-second connecting plate, a 27-fixed rod, a 28-second elastic piece, a 29-guiding column, a 30-sliding frame, a 31-first limiting plate, a 32-second limiting plate, a 33-supporting plate, a 34-piezoelectric sensor module and a 35-rolling wheel set.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1: 1-4, including supporting bench 1, supporting bench 1 fixedly connected with stand 2, stand 2 sliding connection has crane 3, the front side of stand 2 is provided with the recess, the recess internal rotation of stand 2 is connected with first lead screw 4, first lead screw 4 passes through servo motor drive, crane 3 and first lead screw 4 threaded connection, the upside of crane 3 is provided with the spout, the spout sliding connection of crane 3 upside has sliding frame 5, sliding frame 5 is provided with square through-hole, reduce the overall weight of sliding frame 5, reduce the loading of stand 2, improve the life of stand 2, the left side rotation of crane 3 is connected with second lead screw 6, second lead screw 6 passes through servo motor drive, sliding frame 5 passes through mounting panel and second lead screw 6 threaded connection, the lifting frame 3 and the sliding frame 5 are distributed around the upright post 2, the influence caused by the single-side stress of the upright post 2 is reduced, the fixed guide rail 7 is fixedly connected to the front side of the sliding frame 5, the fixed guide rail 7 is rotationally connected with the third screw rod 8, the third screw rod 8 is driven by a servo motor, the servo motors connected to the first screw rod 4, the second screw rod 6 and the third screw rod 8 are electrically connected with a control console, the control console directly controls the rotation state of the servo motor according to a programming code, the fixed guide rail 7 is slidably connected with the sliding plate 9, the third screw rod 8 is in threaded connection with the sliding plate 9, the movable wire frame 10 is arranged between the upright post 2 and the sliding plate 9, the movable wire frame 10 is used for supporting electrode wires to cut metal workpieces, the supporting block 11 is fixedly connected to the rear side of the lifting frame 3, and the supporting block 11 is provided with a counterweight leveling mechanism for adjusting the stress of the upright post 2.
As shown in fig. 4 and 5, the counterweight leveling mechanism comprises a first guide rail 12, the first guide rail 12 is fixedly connected to the rear side of the upright post 2, a supporting block 11 is slidably connected with the first guide rail 12, a second guide rail 13 is fixedly connected to the rear side of the supporting block 11, a sliding block 14 is slidably connected to the second guide rail 13, two symmetrical supporting rods 15 are fixedly connected to the sliding block 14, a first connecting plate 16 is fixedly connected between the two symmetrical supporting rods 15, a counterweight 17 is slidably connected between the two symmetrical supporting rods 15, the two supporting rods 15 play a role in supporting the counterweight 17 and keeping the counterweight 17 horizontal, the counterweight 17 is used for balancing the weight of the fixed guide rail 7 and the upper part of the fixed guide rail, the counterweight 17 is used for balancing the gravity center offset of the upright post 2 caused by the position change of the upper part of the upright post 2, the upright post 2 is kept stressed to be balanced, and the sliding frame 5 is provided with a balancing adjusting component for adjusting the position of the counterweight 17.
As shown in fig. 5 and 6, the balance adjusting assembly comprises four symmetrical first elastic members 18, the four symmetrical first elastic members 18 are respectively sleeved on adjacent supporting rods 15, the four symmetrical first elastic members 18 are distributed on two sides of the balancing weights 17, the elasticity of the first elastic members 18 is utilized to improve the stability of the balancing weights 17 moving along the supporting rods 15, two ends of the first elastic members 18 on the front side are respectively fixedly connected with the sliding blocks 14 and the balancing weights 17, two ends of the first elastic members 18 on the rear side are respectively fixedly connected with the balancing weights 17 and the first connecting plate 16, the right side of the lifting frame 3 is fixedly connected with a first push rod 19, the first push rod 19 is provided with two symmetrical telescopic ends, a piston is arranged in the first push rod 19, the initial position of the piston is positioned in the middle of the first push rod 19, the two telescopic ends of the first push rod 19 are fixedly connected with the sliding frame 5, a supporting frame 20 is fixedly connected between the sliding block 14 and the first connecting plate 16, a second push rod 21 is fixedly connected to the supporting frame 20, two symmetrical telescopic ends are arranged on the second push rod 21, the two telescopic ends of the second push rod 21 are fixedly connected to two sides of the balancing weight 17 through mounting plates respectively, the two telescopic ends of the second push rod 21 are used for driving the balancing weight 17 to move back and forth, the first push rod 19 and the second push rod 21 are communicated through an oil guide pipe, hydraulic oil is filled in the oil guide pipe between the first push rod 19 and the second push rod 21, the two telescopic ends of the first push rod 19 drive pistons inside the first push rod to move, the flowing direction of the hydraulic oil inside the first push rod is changed, and left and right leveling components used for driving the balancing weight 17 to move are arranged between the fixed guide rail 7 and the supporting block 11.
As shown in fig. 5, 7 and 8, the left and right leveling components include a third push rod 22, the third push rod 22 is fixedly connected to the upper side of the fixed guide rail 7, the third push rod 22 is provided with two symmetrical telescopic ends, the upper side of the sliding plate 9 is fixedly connected with a first fixed block 23, a piston is arranged in the third push rod 22, the initial position of the piston of the third push rod 22 is located in the middle of the piston, a connecting rod fixedly connected to the first fixed block 23 is fixedly connected with two telescopic ends of the third push rod 22, the supporting block 11 is fixedly connected with a fourth push rod 24 through a mounting plate, the fourth push rod 24 is provided with two symmetrical telescopic ends, the third push rod 22 and the fourth push rod 24 are communicated through two oil guide pipes, hydraulic oil is filled in the third push rod 22, the fourth push rod 24 and the oil guide pipes between the third push rod, the sliding block 14 is fixedly connected with a second fixed block 25, the second guide rail 13 is fixedly connected with two symmetrical second connecting plates 26, a fixed rod 27 is fixedly connected between the two symmetrical second connecting plates 26, the fixed rod 27 is sleeved with two symmetrical second elastic pieces 28, and the second elastic pieces 28 are used for improving the stability of the second elastic pieces 28 in the moving process and the second connecting plates 25 and the two adjacent two ends of the second connecting plates respectively.
When the device is used for cutting an object, the servo motor connected to the first screw rod 4 is controlled, the first screw rod 4 drives the lifting frame 3 to move upwards or downwards, the height of a workpiece is further suitable, the sliding frame 5 slides forwards and backwards along the upper side of the lifting frame 3 through the servo motor connected to the second screw rod 6, the sliding plate 9 slides left and right along the fixed guide rail 7 through the servo motor connected to the third screw rod 8, the position of the movable wire frame 10 is adjusted through the operation (the movable wire frame 10 is an existing device, the movable wire frame 10 is used for supporting electrode wires), the position of the movable wire frame 10 is changed, the angle of the electrode wires between the movable wire frames 10 is changed, and the workpiece is cut.
In the running process, the sliding frame 5 moves back and forth along the lifting frame 3, the sliding frame 5 drives the two telescopic ends of the first push rod 19 to move, in an initial state, the piston in the first push rod 19 is located at the middle position of the sliding frame, the sliding frame 5 is located at the middle position of the lifting frame 3, in the process that the sliding frame 5 moves forward, the sliding frame 5 drives the two telescopic ends of the first push rod 19 to move forward, the piston in the first push rod 19 moves forward under the driving of the sliding frame 5, the piston in the first push rod 19 pushes hydraulic oil at the front side of the piston forward, the hydraulic oil at the front side of the first push rod 19 flows into the front side of the second push rod 21 through an oil guide pipe, the hydraulic oil entering into the second push rod 21 increases in pressure and pushes the piston of the second push rod 21 backward, the piston in the second push rod 21 drives the balancing weight 17 to move backward along the two support rods 15, the first elastic piece 18 at the rear side is compressed, the first elastic piece 18 at the front side is stretched, meanwhile, the hydraulic oil at the rear side of the second push rod 21 is compressed, and flows into the first push rod 19 along the oil guide pipe, the first push rod 19 moves to the balancing weight 5, and the balancing weight 5 moves to the front side 2 through the sliding frame 2, and the balancing weight 17 is balanced in the process, and the front side of the balancing device is reset, and the front of the balancing device is moved between the two upright posts 2, and the upright posts 2 is balanced, and the front and the upright post 2 is moved, and the front and the weight is balanced.
When the lifting frame 3 moves up and down along the upright post 2, the sliding frame 5 drives parts on the sliding frame to move up and down through the supporting blocks 11, at the moment, the supporting blocks 11 slide up and down along the first guide rail 12, and the supporting blocks 11 and the parts on the supporting blocks move along with the lifting frame 3, so that the balancing weights 17 ensure that the upright post 2 is stressed uniformly at different positions.
When the sliding plate 9 moves along the fixed guide rail 7, taking the rightward movement of the sliding plate 9 as an example, the sliding plate 9 drives the telescopic ends of the third push rod 22 to move through the first fixed block 23 and the connecting rod thereon, in the initial state, the sliding plate 9 is positioned at the middle position of the fixed guide rail 7, the pistons in the third push rod 22 and the fourth push rod 24 are both positioned at the middle positions, when the sliding plate 9 moves rightward, the pistons in the third push rod 22 synchronously move rightward, the hydraulic oil on the right side in the third push rod 22 flows into the right side of the fourth push rod 24 along the oil guide pipe, the hydraulic oil pressure on the right side of the fourth push rod 24 increases, the pistons in the fourth push rod 24 drive the two telescopic ends to move leftward, the hydraulic oil on the left side of the fourth push rod 24 flows into the left side of the third push rod 22 along the oil guide pipe after being extruded, the two telescopic ends of the fourth push rod 24 move leftward, the two telescopic ends of the fourth push rod 24 drive the second fixed block 25 to move leftwards through the connecting rod, the second fixed block 25 slides leftwards along the fixed rod 27, the second elastic piece 28 on the left side is compressed, the second elastic piece 28 on the right side is stretched, the balancing weight 17 moves leftwards to balance the gravity center deviation of the upright post 2 caused by rightward movement of the sliding plate 9, and further the left side and the right side of the upright post 2 are kept balanced in stress, after the sliding plate 9 is reset, the pistons in the third push rod 22 and the fourth push rod 24 are synchronously reset, the balancing weight 17 is synchronously reset to the initial position, the positions of the sliding frame 5 and the sliding plate 9 are utilized to adjust the positions of the balancing weight 17, so that the stress of the upright post 2 is always in a balanced state, and the phenomenon that the upright post 2 is stressed unevenly for a long time, so that the stress change of the upright post 2 is caused, and the displacement inaccuracy occurs in the use process is avoided.
Example 2: on the basis of the embodiment 1, as shown in fig. 9 and 10, the device further comprises a stress detection mechanism for detecting the stress variation of the upright post 2, the stress detection mechanism is arranged on the supporting table 1, the stress detection mechanism comprises a guide post 29, the guide post 29 is fixedly connected with the supporting table 1, the guide post 29 is slidably connected with a sliding frame 30, the guide post 29 and the supporting table 1 are in a vertical state, the device is used for improving the detection precision of the stress variation of the upright post 2, the sliding frame 30 is in a vertical state in the sliding process of the guide post 29, the sliding frame 30 is fixedly connected with a first limiting plate 31, the lifting frame 3 is fixedly connected with a second limiting plate 32, the second limiting plate 32 is positioned at the lower side of the first limiting plate 31, the first limiting plate 31 and the second limiting plate 32 are in extrusion contact, the adjacent surfaces of the first limiting plate 31 and the second limiting plate 32 are respectively provided with smooth surfaces, the friction force between the first limiting plate 31 and the second limiting plate 32 is reduced, in the normal use process of the device, the second limiting plate 32 only provides upward supporting force for the first limiting plate 31, the sliding frame 30 is fixedly connected with two symmetrical supporting plates 33, the two symmetrical supporting plates 33 are respectively positioned at two sides of the lifting frame 3, the left side of the upright post 2 is provided with a chute, the supporting plates 33 are fixedly connected with a piezoelectric sensor module 34, the piezoelectric sensor module 34 is formed by combining a plurality of sensing element arrays and is used for detecting pressure changes in different directions, the change of a plurality of direction stress of the upright post 2 is further detected, the detection precision of the upright post 2 is improved, the piezoelectric sensor module 34 is fixedly connected with a roller group 35 which is in sliding connection with the chute of the upright post 2, the roller group 35 is used for reducing friction force between the piezoelectric sensor module 34 and the upright post 2, the detection precision of the piezoelectric sensor module 34 is improved, the roller group 35 is formed by matching three rollers, the roller group 35 is in extrusion contact with three sides of the sliding groove of the upright post 2, the extrusion force between the roller group 35 and the sliding groove of the upright post 2 is detected through the piezoelectric sensor module 34 by matching the roller group 35 with the sliding groove of the upright post 2.
When the lifting frame 3 moves upwards along the upright post 2, the lifting frame 3 drives the second limiting plate 32 to move upwards, the second limiting plate 32 pushes the first limiting plate 31 upwards, the first limiting plate 31 and the second limiting plate 32 are in extrusion contact, the first limiting plate 31 drives the sliding frame 30 and parts on the sliding frame 30 to slide upwards along the guide post 29, the sliding frame 30 respectively drives the piezoelectric sensor module 34 and the roller group 35 to move through the two support plates 33, the roller group 35 slides along the sliding groove of the upright post 2, the roller group 35 is in three-side extrusion contact with the sliding groove of the upright post 2, meanwhile, the piezoelectric sensor module 34 is used for detecting pressure change between the roller group 35 and the upright post 2, further, stress change of the upright post 2 is detected, after the stress change occurs to the upright post 2, maintenance or replacement is needed to be carried out to the upright post 2 of the device, the piezoelectric sensor modules 34 on the upper side and the lower side synchronously detect the upright post 2, the precision of stress change detection of the upright post 2 is improved, when the lifting frame 3 moves downwards along the guide post 29 through the action of gravity, the second limiting plate 32 does not directly detect the stress change of the first limiting plate 34 when the stress change occurs to the upright post 2 in the left-right direction.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (7)

1. A big taper mechanism with balance adjusting function is characterized in that: including brace table (1), brace table (1) rigid coupling has stand (2), stand (2) sliding connection has crane (3), one side of stand (2) is provided with the recess, the recess internal rotation of stand (2) is connected with first lead screw (4), first lead screw (4) are through servo motor drive, crane (3) and first lead screw (4) threaded connection, the upper side sliding connection of crane (3) has sliding frame (5), one side rotation of crane (3) is connected with second lead screw (6), second lead screw (6) are through servo motor drive, sliding frame (5) are through mounting panel and second lead screw (6) threaded connection, one side rigid coupling of crane (3) and sliding frame (5) distributes around stand (2), one side of sliding frame (5) has fixed guide (7), fixed guide (7) are rotated and are connected with third lead screw (8), third lead screw (8) are through servo motor drive, servo motor and are connected at first lead screw (4), second lead screw (6) and third lead screw (8) are all with control panel (7), sliding connection is equipped with sliding connection between stand (9) and sliding connection (9), a supporting block (11) is fixedly connected to one side, far away from the sliding plate (9), of the lifting frame (3), and the supporting block (11) is provided with a counterweight leveling mechanism for adjusting the stress of the upright post (2);
the counterweight leveling mechanism comprises a first guide rail (12), wherein the first guide rail (12) is fixedly connected to one side, close to a supporting block (11), of a stand column (2), the supporting block (11) is in sliding connection with the first guide rail (12), one side, far away from a sliding plate (9), of the supporting block (11) is fixedly connected with a second guide rail (13), the second guide rail (13) is in sliding connection with a sliding block (14), the sliding block (14) is fixedly connected with symmetrical supporting rods (15), a first connecting plate (16) is fixedly connected between the symmetrical supporting rods (15), a balancing weight (17) is in sliding connection between the symmetrical supporting rods (15), the balancing weight (17) is used for balancing the weights of a fixed guide rail (7) and upper parts of the fixed guide rail, and a balancing adjusting assembly used for adjusting the position of the balancing weight (17) is arranged on a sliding frame (5);
the balance adjusting component comprises symmetrical first elastic pieces (18), the symmetrical first elastic pieces (18) are respectively sleeved on adjacent supporting rods (15), the symmetrical first elastic pieces (18) are distributed on two sides of the balancing weights (17), two ends of the first elastic pieces (18) close to the upright posts (2) are respectively fixedly connected with the sliding blocks (14) and the balancing weights (17), two ends of the first elastic pieces (18) far away from the upright posts (2) are respectively fixedly connected with the balancing weights (17) and the first connecting plates (16), one side of the lifting frame (3) is fixedly connected with a first push rod (19), the first push rod (19) is provided with two symmetrical telescopic ends, two telescopic ends of the first push rod (19) are fixedly connected with the sliding frame (5), a supporting frame (20) is fixedly connected between the sliding blocks (14) and the first connecting plates (16), a second push rod (21) is fixedly connected with a second push rod (21), two telescopic ends of the second push rod (21) are respectively fixedly connected with two sides of the balancing weights (17) through two symmetrical telescopic ends, hydraulic oil filled between the first push rod (19) and the second push rod (21) through a hydraulic oil pipe, a left leveling component and a right leveling component which are used for driving the balancing weight (17) to move are arranged between the fixed guide rail (7) and the supporting block (11);
the left leveling component and the right leveling component comprise a third push rod (22), the third push rod (22) is fixedly connected to the upper side of a fixed guide rail (7), the third push rod (22) is provided with two symmetrical telescopic ends, the upper side of a sliding plate (9) is fixedly connected with a first fixed block (23), a connecting rod fixedly connected to the first fixed block (23) is fixedly connected with two telescopic ends of the third push rod (22), a fourth push rod (24) is fixedly connected to a supporting block (11) through a mounting plate, the fourth push rod (24) is provided with two symmetrical telescopic ends, the third push rod (22) and the fourth push rod (24) are communicated through two oil pipes, hydraulic oil is filled in the oil pipes between the third push rod (22), the fourth push rod (24) and the third push rod, the second fixed block (25) is fixedly connected to the sliding block (14), a symmetrical second connecting plate (26) is fixedly connected to the second guide rail (13), a fixing rod (27) is fixedly connected between the symmetrical second connecting plate (26), a second elastic piece (28) is sleeved on the fixing rod (27), and two ends of the second elastic piece (28) are fixedly connected to the second connecting plate (25).
2. A large taper mechanism with balance adjusting function according to claim 1, characterized in that: the sliding frame (5) is provided with square through holes, so that the overall weight of the sliding frame (5) is reduced.
3. A large taper mechanism with balance adjusting function according to claim 1, characterized in that: the device comprises a support table (1), and is characterized by further comprising a stress detection mechanism for detecting stress change of the upright column (2), wherein the stress detection mechanism is arranged on the support table (1), the stress detection mechanism comprises guide columns (29), the guide columns (29) are fixedly connected to the support table (1), sliding frames (30) are slidably connected to the guide columns (29), first limiting plates (31) are fixedly connected to the sliding frames (30), second limiting plates (32) are fixedly connected to the lifting frames (3), the second limiting plates (32) are positioned on the lower sides of the first limiting plates (31), the first limiting plates (31) are in extrusion contact with the second limiting plates (32), symmetrical supporting plates (33) are respectively positioned on two sides of the lifting frames (3), sliding grooves are formed in one sides of the upright column (2), and roller groups (35) which are slidably connected to the sliding grooves of the upright column (2) are fixedly connected to the supporting plates (33).
4. A large taper mechanism with balance adjusting function according to claim 3, characterized in that: the guide post (29) is in a vertical state with the supporting table (1) and is used for improving the detection precision of the stress change of the upright post (2).
5. A large taper mechanism with balance adjusting function according to claim 3, characterized in that: adjacent surfaces of the first limiting plate (31) and the second limiting plate (32) are smooth surfaces, and friction force between the first limiting plate (31) and the second limiting plate (32) is reduced.
6. A large taper mechanism with balance adjusting function according to claim 3, characterized in that: the piezoelectric sensor module (34) is formed by combining a plurality of sensing element arrays and is used for detecting pressure changes in different directions.
7. A large taper mechanism with balance adjusting function according to claim 3, characterized in that: the roller group (35) is used for reducing friction force between the piezoelectric sensor module (34) and the upright post (2), the roller group (35) is formed by matching three rollers, and three sides of a sliding groove of the roller group (35) and the upright post (2) are in extrusion contact.
CN202311149191.3A 2023-09-07 2023-09-07 Large taper mechanism with balance adjusting function Active CN116871615B (en)

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