Three-axis drive device for a surface grinder

Abstract

The application discloses a three-axis driving device for a surface grinder, aiming to provide a three-axis driving device for a surface grinder which can lock another movement axis when performing movement in one direction. The device comprises a transmission box, a transmission assembly, a transverse driving assembly, a longitudinal driving assembly and a polishing assembly. The transmission box is provided with a transmission cavity. The transmission assembly is arranged outside the transmission box and is in sliding connection with the transmission box. One end of the transmission assembly penetrates through the transmission box and is arranged in the transmission cavity. The transverse driving assembly is arranged in the transmission cavity and is connected with the transmission assembly. The longitudinal driving assembly is arranged in the transmission cavity and is connected with the transmission box. The longitudinal driving assembly is matched with the transmission assembly. The transmission box is provided with a mounting seat. The transmission box is in sliding connection with the mounting seat. The polishing assembly is mounted on the mounting seat and corresponds to the transmission box. The device has the advantages that another movement axis can be locked when movement in one direction is performed, the driving assembly can be better switched, the grinding wheel head can be conveniently replaced, and internal lubrication is maintained.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surface grinding machine, and particularly relates to a three-axis driving device for surface grinding machine. BACKGROUND

[0002] The surface grinding machine is a kind of grinding machine. The workpiece is ground by the rotation of the grinding wheel to achieve the required flatness. According to the shape of the workbench, it can be divided into rectangular workbench and circular workbench. The main parameters of the rectangular workbench surface grinding machine are the width and length of the workbench, and the main parameters of the circular workbench are the diameter of the workbench surface. The power sources of the three-axis drive of the existing surface grinding machine are relatively independent. The common action of multiple power sources increases the volume of the grinding machine. At the same time, the independent power sources are easy to cause the grinding machine to move in the unexpected direction due to misoperation, thereby damaging the machine tool.

[0003] Chinese patent authorization announcement number: CN213004387U, authorization announcement date: April 20, 2021, discloses a driving structure for grinding machine, which comprises a carrying unit and an adjusting unit. The adjusting unit is installed above the carrying unit. The carrying unit comprises a base, a first sliding rail, a first screw rod, two first fixed seats, a first motor, a first sliding block and a carrying table. The first sliding rail has a first groove, and the first sliding rail is installed above the base. The first screw rod is installed in the first sliding rail groove through two first fixed seats. The first screw rod is threadedly connected with the carrying table. The output shaft of the first motor is connected with one end of the first screw rod. The carrying table is slidingly connected with the first sliding rail through the first sliding block. The adjusting unit comprises two first supports, a second support, a third support, a grinding knife and a grinding knife motor. The upper ends of the two first supports are respectively connected with the two ends of the second support. The lower ends of the two first supports are respectively connected with the upper end of the base through two connecting seats. The grinding knife and the grinding knife motor are installed on the second support through the third support. The grinding knife is connected with the grinding knife motor. The driving device of the grinding machine moves on the three axes by independent driving, which can easily cause the volume of the grinding machine to be bloated, and misoperation during processing can also cause the movement direction to change and damage the machine tool. SUMMARY

[0004] The present application is to overcome the deficiency that the independent motion power source is easy to cause the motion direction to change due to misoperation in the prior art. A three-axis driving device for surface grinding machine is provided, which can lock the other motion axis when moving in one direction.

[0005] In order to achieve the above purpose, the following technical scheme is adopted in the present application:

[0006] The utility model provides a three -axis drive arrangement for plane grinding machine, including transmission case, transmission assembly, lateral drive assembly, longitudinal drive assembly and polishing assembly, transmission case is equipped with transmission cavity, transmission assembly is placed outside transmission case and is connected with transmission case slidingly, one end of transmission assembly is placed in transmission cavity after penetrating transmission case, lateral drive assembly is placed in transmission cavity and is connected with transmission assembly, longitudinal drive assembly is placed in transmission cavity and is connected with transmission case, longitudinal drive assembly is matched with transmission assembly, transmission case is equipped with mounting seat, transmission case is connected with mounting seat slidingly, polishing assembly is installed on mounting seat and corresponds with transmission case.

[0007] Transmission case is used to place the main transmission assembly inside, transmission assembly is placed outside transmission case and is connected with transmission case slidingly, one end of transmission assembly is placed in transmission cavity after penetrating transmission case, transmission assembly in transmission cavity is corresponding with lateral drive assembly and longitudinal drive assembly respectively, because transmission assembly can move on transmission case, when lateral drive assembly needs to move, transmission assembly is connected with lateral drive assembly slidingly and drives lateral drive assembly to move, thereby realizing the lateral movement of grinding machine, when longitudinal drive assembly needs to move, transmission assembly is connected with longitudinal drive assembly slidingly and is disconnected with lateral drive assembly to keep locking, transmission assembly drives longitudinal drive assembly to move, realizes the sliding of longitudinal drive assembly on mounting seat to ensure longitudinal movement, polishing assembly is installed on mounting seat, can polish workpiece, reaches the purpose of locking another movement axis when moving in one direction.

[0008] As a preferred, the transmission assembly comprises the motor one, the transmission shaft, the gear one, the bevel gear one and the motor seat one, one side of the transmission box is equipped with the mounting plate, the shape of the mounting plate is L-shaped, the mounting plate comprises the bottom plate one and the side plate one, one end of the bottom plate one is connected with the transmission box, the other end of the bottom plate one is connected with the side plate one, the shape of the motor seat one is L-shaped, the motor seat one comprises the bottom plate two and the side plate two, one end of the bottom plate two is connected with one end of the side plate two, the outer side of the bottom plate two is equipped with the sliding block one, the inner side of the bottom plate one is equipped with the sliding groove one, the motor seat one is connected with the mounting plate through the cooperation of the sliding block one and the sliding groove one, the inner side of the mounting plate is equipped with the pneumatic cylinder one, the pneumatic cylinder one is installed on the side plate one, the pneumatic end of the pneumatic cylinder one is connected with the outer side of the side plate two, the motor one is installed on the motor seat one, one end of the transmission shaft is connected with the motor shaft of the motor one, the other end of the transmission shaft penetrates through the transmission box and is placed in the transmission cavity, the gear one and the bevel gear one are installed on the end of the transmission shaft placed in the transmission cavity in sequence. The motor one of the transmission assembly is installed on the motor seat one, the motor seat one is connected with the mounting plate, the movement of the motor seat one is pushed by the pneumatic cylinder one, the motor seat one drives the movement of the motor one, one end of the transmission shaft installed on the motor one penetrates through the transmission box and is placed in the transmission cavity, the gear one and the bevel gear one are installed on the transmission shaft, the gear one and the bevel gear one correspond to different driving assemblies respectively, the design can realize better switching of the driving assemblies.

[0009] As preferred, the lateral driving assembly comprises gear two, flange plate, screw rod one and fixed shaft, the gear two is engaged with gear one, the screw rod one is installed on one side of gear two, the screw rod one is provided with nut, the nut is threadedly connected with screw rod one, the top surface of transmission box is provided with through hole, the through hole is communicated with transmission cavity and corresponds to screw rod one, the both sides of nut are provided with connecting plate, one end of connecting plate is connected with nut, the other end of connecting plate is connected with flange plate after passing through through hole, the bottom surface of flange plate is provided with sliding block two, the top surface of transmission box is provided with sliding groove two, the flange plate is slidably connected with transmission box through the cooperation of sliding groove two and sliding block two, the fixed shaft is installed on the other side of gear two, one end of fixed shaft is connected with gear two, the other end of fixed shaft is rotatably connected with transmission box, the fixed shaft is provided with support plate, one end of support plate is rotatably connected with fixed shaft, the other end of support plate is rotatably connected with transmission shaft. The lateral driving assembly is engaged with gear one on transmission shaft through gear two to realize the action of lateral driving assembly, the gear one of lateral driving assembly is installed with screw rod one, the screw rod one can rotate with gear two, the nut installed on screw rod, the nut is connected with flange plate through connecting plate, the flange plate is used for installing clamp, the clamp is used for clamping workpiece, the clamp moves with flange plate, the screw rod rotates to drive the nut to move, the nut can drive flange plate to move to realize lateral movement, the flange plate is slidably connected with transmission box, the nut moves along through hole, the other side of gear one is installed with fixed shaft and rotatably connected with transmission box, the position of gear two is limited, at the same time, the transmission shaft is connected with fixed shaft through support plate, the fixed shaft can be further supported, the position of gear one is guaranteed, the design can realize lateral transmission.

[0010] As preferred, the longitudinal driving assembly comprises a screw rod two and a bevel gear two, the mounting base is in L shape, the mounting base comprises a side plate three and a bottom plate three, the side plate three is connected with the bottom plate three, the inner side surface of the side plate three is provided with a sliding groove three, the bottom of the transmission box is provided with a sliding block three, the transmission box is slidingly connected with the mounting base through the cooperation of the sliding block three and the sliding groove three, one end of the screw rod two is arranged in the transmission cavity, the other end of the screw rod two penetrates the side plate three of the mounting base and the transmission box in sequence, the screw rod two is threadedly connected with the side plate two, one side of the bevel gear two is connected with the one end of the screw rod two arranged in the transmission cavity, the bevel gear two is matched with the bevel gear one, the other side of the bevel gear two is provided with a supporting rod, one end of the supporting rod is connected with the bevel gear two, and the other end of the supporting rod is rotationally connected with the transmission box. The screw rod two of the longitudinal driving assembly is threadedly connected with the mounting base after penetrating the transmission box, the bottom surface of the transmission box is slidingly connected with the bottom plate of the mounting base, the rotation of the screw rod two can realize the movement of the transmission box on the mounting base, the movement of the grinding machine in the longitudinal direction is realized, the bevel gear two is installed on the screw rod two and corresponds to the bevel gear one on the transmission shaft, the movement of the transmission shaft ensures that the gear one and the gear two are staggered, the bevel gear one is engaged with the bevel gear two, the rotation of the screw rod two is realized, meanwhile, the bevel gear two is supported through the supporting rod, the supporting rod is rotationally connected with the transmission box, the position of the bevel gear two can be limited, and better engagement can be realized. The design realizes the movement in the longitudinal direction.

[0011] As preferred, the polishing assembly comprises a lifting column, a motor two and a grinding wheel assembly, the lifting column is in L shape, the lifting column comprises a side edge and a top edge, the side edge and the top edge are connected, the inner side surface of the side edge is provided with a sliding block four, the outer side surface of the side plate three of the mounting base is provided with a sliding groove four, the side edge is slidingly connected with the mounting base through the cooperation of the sliding block four and the sliding groove four, the outer side surface of the side plate three is provided with a motor seat two, the motor seat two is arranged on one side of the lifting column, the motor two is installed on the motor seat two, the motor shaft of the motor two is provided with a gear three, the gear three is connected with the motor shaft of the motor two, the side of the lifting column close to the motor two is provided with a rack one, the gear three is engaged with the rack one, and the grinding wheel assembly is installed on the top edge of the lifting column. The lifting column of the polishing assembly is installed on the mounting base and is slidingly connected with the side plate three of the mounting base, the grinding wheel assembly on the top edge of the lifting column can be lifted, the grinding of the workpiece can be realized, the lifting of the lifting column is realized by the engagement of the gear three on the motor two and the rack one, the grinding wheel assembly installed on the top edge can grind the workpiece, and the design can realize the movement in the vertical direction.

[0012] As preferred, the grinding wheel assembly comprises a mounting plate, a third motor, a grinding wheel shaft and a grinding wheel head, the mounting plate is mounted on the inner side of the top edge of the lifting column, one end of the grinding wheel shaft penetrates through the mounting plate and is rotationally connected with the mounting plate, a belt pulley one is mounted on the end of the grinding wheel shaft penetrating through the mounting plate, the third motor is mounted on the lifting column, a belt pulley two is mounted on the motor shaft of the third motor, a belt is arranged on the belt pulley one, one end of the belt is matched with the belt pulley one, the other end of the belt is matched with the belt pulley two, a retaining ring is arranged on the other side of the mounting plate, the retaining ring is mounted on the grinding wheel shaft, a limiting block is arranged on the side of the retaining ring away from the mounting plate, a limiting groove is arranged on the grinding wheel head, the grinding wheel head is connected with the retaining ring through the cooperation of the limiting groove and the limiting block, a threaded hole is arranged on the end of the grinding wheel shaft mounting the grinding wheel head, a screw rod is arranged on the grinding wheel shaft, one end of the screw rod is arranged in the threaded hole and is threadedly connected with the grinding wheel shaft, the other end of the screw rod is mounted with a rotating plate, a fixing ring is arranged on the rotating plate, one end of the fixing ring is connected with the rotating plate, the other end of the fixing ring is in contact with the grinding wheel head. The grinding wheel shaft is mounted on the mounting plate, the mounting plate is connected with the lifting column, the grinding wheel shaft is rotationally connected with the mounting plate, the rotation of the grinding wheel shaft can be realized, the belt pulley one is mounted on one end of the grinding wheel shaft, the belt pulley one is connected with the belt pulley two on the third motor through the belt, the rotation of the belt pulley two is driven by the rotation of the third motor, the rotation of the belt pulley one is driven by the belt, the rotation of the grinding wheel shaft is realized, the retaining ring is mounted on the other side of the grinding wheel shaft, the retaining ring is in contact with the mounting plate, the grinding wheel head is directly in contact with the mounting plate for friction, the grinding wheel head is fixed on the grinding wheel shaft and rotates with the grinding wheel shaft, the position of the grinding wheel head is limited through the cooperation of the limiting groove and the limiting block, the relative fixation of the grinding wheel shaft and the grinding wheel head is ensured, the threaded hole is arranged on the end face of the grinding wheel shaft, the rotating plate is connected with the grinding wheel shaft through the screw rod, the rotating plate drives the movement of the fixing ring, the fixing ring extrudes the grinding wheel head, the grinding wheel head is fixed, and the grinding wheel head can be better fixed through such design.

[0013] Preferably, the lifting column is provided with a replacement assembly, the replacement assembly comprises a moving strip, a connecting strip and a rotating disc, the bottom surface of the moving strip is provided with a sliding block five, the outer side surface of the top edge of the lifting column is provided with a sliding groove five, the moving strip is slidably connected with the lifting column through the cooperation of the sliding block five and the sliding groove five, the top surface of the moving strip is provided with a rack two, the lifting column is provided with a motor four, the motor shaft of the motor four is provided with a gear four, the gear four is engaged with the rack two, the connecting strip is arranged on one side of the grinding head, one end of the connecting strip is detachably connected with the moving strip, the other end of the connecting strip is rotatably connected with the rotating disc, the side of the rotating disc close to the grinding head is provided with a clamping assembly, the other end of the rotating disc is provided with a rotating shaft, the other end of the rotating shaft is connected with the rotating disc, the other end of the rotating shaft penetrates through the connecting strip and is arranged outside the connecting strip, one end of the rotating shaft arranged outside the connecting strip is provided with a worm wheel, the connecting strip is provided with a motor five, the motor shaft of the motor five is provided with a worm, and the worm wheel and the worm are matched. The replacement assembly is arranged on the top edge of the lifting column, the moving strip is slidably connected with the outer side surface of the top edge of the lifting column, the movement of the sliding strip depends on the engagement between the gear four on the motor four and the rack two on the moving strip, the rotation of the motor four drives the movement of the moving strip, the connecting strip is arranged on the side of the moving strip close to the grinding head, the inner side surface of the connecting strip is rotatably connected with the rotating disc, the rotating disc is rotatably connected with the connecting strip through the rotating shaft, the side of the rotating disc close to the grinding head is provided with a clamping assembly for clamping the rotating piece and the grinding head, the connecting strip is detachably connected with the moving strip, so that when the grinding head does not need to be replaced, the connecting strip can be detached to avoid affecting the grinding action, the other end of the rotating shaft penetrating through the connecting strip is provided with a worm wheel, the motor five is arranged outside the connecting strip, the worm on the motor shaft of the motor five is engaged with the worm wheel, the rotation of the worm drives the rotation of the worm wheel, thereby driving the movement of the rotating disc, the moving strip moves, the rotating disc is close to the rotating piece, the clamping assembly clamps the rotating piece, the motor five drives the rotating disc to rotate, the connection between the screw rod and the grinding rod is realized, the grinding head is fixed, after the screw rod is removed, the grinding head is clamped again through the clamping assembly, the grinding head is taken out under the driving of the moving strip, the grinding head is replaced, and the design is convenient for replacing the grinding head.

[0014] As preferred, the inner side of the rotating disc is provided with a plurality of sliding grooves six, the sliding grooves six are distributed along the axis of the rotating disc in a circle, the clamping assembly is provided with a plurality of clamping assemblies corresponding to the sliding grooves six one by one, the clamping assembly comprises a push plate, a clamping plate and two pneumatic cylinders, the push plate is in the shape of L, the push plate comprises a bottom plate four and a side plate four, the bottom plate four and the side plate four are connected, a sliding block six is installed on the outer side of the bottom plate four, the push plate is slidably connected with the rotating disc through the cooperation of the sliding block six and the sliding groove six, one end of the bottom plate four is connected with the clamping plate, the pneumatic cylinder two is installed on the rotating disc, the pneumatic end of the pneumatic cylinder two is connected with the outer side of the side plate four, and the cross section of the clamping plate is in the shape of a circular arc. The inner side of the rotating disc is provided with a plurality of sliding grooves six distributed along the axis of the rotating disc, the sliding grooves six are matched with the sliding blocks five at the bottom of the push plate, the push plate slides along the sliding grooves six, the clamping plate is installed at one end of the push plate facing the axis, a plurality of push plates drive the clamping plate to clamp the rotating piece and the grinding wheel head, the movement of the push plate is driven by the pneumatic cylinder two, the shape of the clamping plate is in the shape of a circular arc, which is better matched with the parts, and the design can better clamp the parts.

[0015] As preferred, the transmission cavity is provided with a sprayer, the sprayer is installed on the transmission box and corresponds to the transmission assembly, the sprayer is provided with a conveying pipe, one end of the conveying pipe is communicated with the sprayer, the other end of the conveying pipe penetrates through the transmission box and is placed outside, an oil injection tank is arranged on the end of the conveying pipe placed outside, and the oil injection tank is installed on the transmission box and communicated with the conveying pipe. The sprayer is installed in the transmission cavity, the sprayer can spray oil stains to the transmission assembly in the transmission box to keep lubrication, the sprayer is extracted from the oil injection tank through the conveying pipe, and the design can keep internal lubrication.

[0016] As preferred, the bottom of the transmission cavity is provided with a plurality of drainage grooves, the bottom surface of the transmission cavity is provided with a collecting groove, the collecting groove is arranged at one end of the transmission cavity, the drainage grooves are communicated with the collecting groove, and the transmission box is provided with an extraction pipe, one end of the extraction pipe penetrates through the transmission box and is communicated with the collecting groove. The bottom surface of the transmission cavity is provided with a plurality of drainage grooves, the drainage grooves are all communicated with the collecting groove, are used for collecting the oil stains generated in the transmission cavity, guide the oil stains to flow to the collecting groove, and the collecting groove is communicated with the outside of the transmission cavity through the extraction pipe, so that the oil stains in the collecting groove can be extracted, and the design can realize the extraction of the oil stains.

[0017] The present application has the advantages that: when one direction movement is carried out, the other movement shaft can be locked, the driving assembly can be better switched, the horizontal transmission, the longitudinal movement and the vertical movement can be realized, the grinding wheel head can be better fixed, the grinding wheel head can be replaced, the parts can be better clamped, the internal lubrication can be kept, and the oil stains can be extracted. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1is a structural schematic diagram of the present application;

[0019] Figure 2 is Figure 1 is a structural schematic diagram of the internal parts of the present application;

[0020] Figure 3 is Figure 1 is a structural schematic diagram of the transmission case of the present application;

[0021] Figure 4 is Figure 3 is a sectional view of the present application;

[0022] Figure 5 is Figure 2 is a structural schematic diagram of the transmission assembly and the transverse drive assembly of the present application;

[0023] Figure 6 is Figure 2 is a structural schematic diagram of the longitudinal drive assembly of the present application;

[0024] Figure 7 is Figure 1 is a structural schematic diagram of the polishing assembly of the present application;

[0025] Figure 8 is Figure 7 is a structural schematic diagram of the lifting column of the present application;

[0026] Figure 9 is Figure 7 is an exploded view of the grinding wheel assembly of the present application;

[0027] Figure 10 is Figure 9 is a structural schematic diagram of the grinding wheel shaft of the present application;

[0028] Figure 11 is Figure 7 is a structural schematic diagram of the replacement assembly of the present application;

[0029] Figure 12 is Figure 7 is another structural schematic diagram of the replacement assembly of the present application;

[0030] Figure 13 is Figure 11 is a structural schematic diagram of the turntable of the present application;

[0031] Figure 14 is Figure 12 is a structural schematic diagram of the clamping assembly of the present application.

[0032] In the figure: 1, transmission box; 11, transmission cavity; 12, mounting plate; 13, bottom plate one; 14, side plate one; 15, sliding groove one; 16, through hole; 17, sliding groove two; 18, sliding block three; 2, transmission assembly; 21, motor one; 22, transmission shaft; 23, gear one; 24, bevel gear one; 25, motor base one; 26, bottom plate two; 27, side plate two; 28, sliding block one; 29, pneumatic cylinder one; 3, transverse drive assembly; 31, gear two; 32, flange plate; 33, screw one; 34, fixed shaft; 35, nut; 36, connecting plate; 37, sliding block two; 38, support plate; 4, longitudinal drive assembly; 41, mounting seat; 42, screw two; 43, bevel gear two; 44, side plate three; 45, bottom plate three; 46, sliding groove three; 47, support rod; 48, sliding groove four; 5, polishing assembly; 51, lifting column; 52, motor two; 53, side edge; 54, top edge; 55, sliding block four; 56, motor base two; 57, gear three; 58, rack one; 59, sliding groove five; 6, grinding wheel assembly; 61, mounting plate; 62, motor three; 63, grinding wheel shaft; 631, threaded hole; 64, grinding wheel head; 641, limiting groove; 65, pulley one; 66, belt; 67, baffle ring; 671, limiting block; 68, pulley two; 69, screw; 691, rotating plate; 692, fixed ring; 7, replacement assembly; 71, moving bar; 72, connecting bar; 73, turntable; 731, sliding groove six; 74, sliding block five; 75, motor four; 76, gear four; 77, rack two; 78, rotating shaft; 781, worm gear; 79, motor five; 791, worm; 8, clamping assembly; 81, push plate; 82, clamping plate; 83, pneumatic cylinder two; 84, bottom plate four; 85, side plate four; 86, sliding block six; 9, sprayer; 91, conveying pipe; 92, oil injection tank; 93, drainage groove; 94, collection groove; 95, extraction pipe. Embodiment

[0033] The application will be further described below in conjunction with the drawings and specific embodiments.

[0034] As shown in the embodiment shown in Figure 1 , Figure 2 , a three-axis drive device for a surface grinding machine comprises a transmission box 1, a transmission assembly 2, a transverse drive assembly 3, a longitudinal drive assembly 4, and a polishing assembly 5. The transmission box 1 is provided with a transmission cavity 11. The transmission assembly 2 is arranged outside the transmission box 1 and is in sliding connection with the transmission box 1. One end of the transmission assembly 2 penetrates through the transmission box 1 and is arranged in the transmission cavity 11. The transverse drive assembly 3 is arranged in the transmission cavity 11 and is connected with the transmission assembly 2. The longitudinal drive assembly 4 is arranged in the transmission cavity 11 and is connected with the transmission box 1. The longitudinal drive assembly 4 is matched with the transmission assembly 2. The transmission box 1 is provided with a mounting seat 41. The transmission box 1 is in sliding connection with the mounting seat 41. The polishing assembly 5 is mounted on the mounting seat 41 and corresponds to the transmission box 1.

[0035] As Figure 3 , Figure 5 shown, the transmission assembly 2 includes a motor 21, a transmission shaft 22, a gear 23, a bevel gear 24 and a motor seat 25, one side of the transmission box 1 is provided with a mounting plate 12, the mounting plate 12 is L-shaped, the mounting plate 12 includes a bottom plate 13 and a side plate 14, one end of the bottom plate 13 is connected with the transmission box 1, the other end of the bottom plate 13 is connected with the side plate 14, the motor seat 25 is L-shaped, the motor seat 25 includes a bottom plate 26 and a side plate 27, one end of the bottom plate 26 is connected with one end of the side plate 27, a sliding block 28 is installed on the outer side of the bottom plate 26, a sliding groove 15 is arranged on the inner side of the bottom plate 13, the motor seat 25 is slidably connected with the mounting plate 12 through the cooperation of the sliding block 28 and the sliding groove 15, a pneumatic cylinder 29 is arranged on the inner side of the mounting plate 12, the pneumatic cylinder 29 is installed on the side plate 14, the pneumatic end of the pneumatic cylinder 29 is connected with the outer side of the side plate 27, the motor 21 is installed on the motor seat 25, one end of the transmission shaft 22 is connected with the motor shaft of the motor 21, the other end of the transmission shaft 22 penetrates through the transmission box 1 and is arranged in the transmission cavity 11, the gear 23 and the bevel gear 24 are sequentially installed on the end of the transmission shaft 22 arranged in the transmission cavity 11.

[0036] The horizontal drive assembly 3 includes a gear 31, a flange plate 32, a lead screw 33 and a fixed shaft 34, the gear 31 is engaged with the gear 23, the lead screw 33 is installed on one side of the gear 31, a nut 35 is arranged on the lead screw 33, the nut 35 is threadedly connected with the lead screw 33, a through hole 16 is arranged on the top surface of the transmission box 1, the through hole 16 is communicated with the transmission cavity 11 and corresponds to the lead screw 33, connecting plates 36 are arranged on both sides of the nut 35, one end of each connecting plate 36 is connected with the nut 35, the other end of each connecting plate 36 penetrates through the through hole 16 and is connected with the flange plate 32, a sliding block 37 is arranged on the bottom surface of the flange plate 32, a sliding groove 17 is arranged on the top surface of the transmission box 1, the flange plate 32 is slidably connected with the transmission box 1 through the cooperation of the sliding groove 17 and the sliding block 37, the fixed shaft 34 is installed on the other side of the gear 31, one end of the fixed shaft 34 is connected with the gear 31, the other end of the fixed shaft 34 is rotatably connected with the transmission box 1, a support plate 38 is arranged on the fixed shaft 34, one end of the support plate 38 is rotatably connected with the fixed shaft 34, the other end of the support plate 38 is rotatably connected with the transmission shaft 22.

[0037] As Figure 6As shown, the longitudinal driving assembly 4 includes a second screw rod 42 and a second bevel gear 43, the mounting base 41 is in the shape of L, the mounting base 41 includes a third side plate 44 and a third bottom plate 45, the third side plate 44 is connected with the third bottom plate 45, the inner side of the third side plate 44 is provided with a third sliding groove 46, the bottom of the transmission box 1 is provided with a third sliding block 18, the transmission box 1 is slidingly connected with the mounting base 41 through the cooperation of the third sliding block 18 and the third sliding groove 46, one end of the second screw rod 42 is arranged in the transmission cavity 11, the other end of the second screw rod 42 penetrates the transmission box 1 and the third side plate 44 of the mounting base 41 in sequence, the second screw rod 42 is threadedly connected with the second side plate 27, one side of the second bevel gear 43 is connected with the one end of the second screw rod 42 arranged in the transmission cavity 11, the second bevel gear 43 is matched with the first bevel gear 24, the other side of the second bevel gear 43 is provided with a supporting rod 47, one end of the supporting rod 47 is connected with the second bevel gear 43, the other end of the supporting rod 47 is rotatably connected with the transmission box 1.

[0038] As shown in Figure 7 , Figure 8 , the polishing assembly 5 includes a lifting column 51, a second motor 52 and a grinding wheel assembly 6, the lifting column 51 is in the shape of L, the lifting column 51 includes a side edge 53 and a top edge 54, the side edge 53 is connected with the top edge 54, the inner side of the side edge 53 is provided with a fourth sliding block 55, the outer side of the third side plate 44 of the mounting base 41 is provided with a fourth sliding groove 48, the side edge 53 is slidingly connected with the mounting base 41 through the cooperation of the fourth sliding block 55 and the fourth sliding groove 48, the outer side of the third side plate 44 is provided with a second motor seat 56, the second motor seat 56 is arranged on one side of the lifting column 51, the second motor 52 is installed on the second motor seat 56, a gear 57 is arranged on the motor shaft of the second motor 52, the gear 57 is connected with the motor shaft of the second motor 52, a first gear rack 58 is installed on the side of the lifting column 51 close to the second motor 52, the gear 57 is engaged with the first gear rack 58, the grinding wheel assembly 6 is installed on the top edge 54 of the lifting column 51.

[0039] As shown in Figure 9 , Figure 10As shown, the grinding wheel assembly 6 includes a mounting plate 12, a motor three 62, a grinding wheel shaft 63 and a grinding wheel head 64, the mounting plate 12 is mounted on the inner side of the top edge 54 of the lifting column 51, one end of the grinding wheel shaft 63 penetrates through the mounting plate 12 and is rotationally connected with the mounting plate 12, a belt pulley one 65 is mounted on the end of the grinding wheel shaft 63 penetrating through the mounting plate 12, the motor three 62 is mounted on the lifting column 51, a belt pulley two 68 is mounted on the motor shaft of the motor three 62, the belt pulley one 65 is provided with a belt 66, one end of the belt 66 is matched with the belt pulley one 65, the other end of the belt 66 is matched with the belt pulley two 68, the other side of the mounting plate 12 is provided with a retaining ring 67, the retaining ring 67 is mounted on the grinding wheel shaft 63, the side of the retaining ring 67 away from the mounting plate 12 is provided with a limiting block 671, the grinding wheel head 64 is provided with a limiting groove 641, the grinding wheel head 64 is connected with the retaining ring 67 through the cooperation of the limiting groove 641 and the limiting block 671, the end of the grinding wheel shaft 63 mounting the grinding wheel head 64 is provided with a threaded hole 631, the grinding wheel shaft 63 is provided with a screw rod 69, one end of the screw rod 69 is placed in the threaded hole 631 and is threadedly connected with the grinding wheel shaft 63, the other end of the screw rod 69 is mounted with a rotating plate 691, the rotating plate 691 is provided with a fixing ring 692, one end of the fixing ring 692 is connected with the rotating plate 691, the other end of the fixing ring 692 is in contact with the grinding wheel head 64.

[0040] As shown in the drawings, Figure 11 , Figure 12 , Figure 13 As shown, the lifting column 51 is provided with a replacement assembly 7, the replacement assembly 7 includes a moving strip 71, a connecting strip 72 and a rotating disc 73, the bottom surface of the moving strip 71 is mounted with a sliding block five 74, the outer side surface of the top edge 54 of the lifting column 51 is provided with a sliding groove five 59, the moving strip 71 is slidingly connected with the lifting column 51 through the cooperation of the sliding block five 74 and the sliding groove five 59, the top surface of the moving strip 71 is mounted with a rack two 77, the lifting column 51 is mounted with a motor four 75, a gear four 76 is mounted on the motor shaft of the motor four 75, the gear four 76 is engaged with the rack two 77, the connecting strip 72 is placed on one side of the grinding wheel head 64, one end of the connecting strip 72 is detachably connected with the moving strip 71, the other end of the connecting strip 72 is rotationally connected with the rotating disc 73, the rotating disc 73 is provided with a clamping assembly 8 on the side close to the grinding wheel head 64, the other end of the rotating disc 73 is provided with a rotating shaft 78, the other end of the rotating shaft 78 is connected with the rotating disc 73, the other end of the rotating shaft 78 penetrates through the connecting strip 72 and is placed outside the connecting strip 72, the end of the rotating shaft 78 placed outside the connecting strip 72 is mounted with a worm wheel 781, the connecting strip 72 is provided with a motor five 79, a worm shaft 791 is mounted on the motor shaft of the motor five 79, the worm wheel 781 and the worm shaft 791 cooperate.

[0041] As shown in the drawings, Figure 14As shown, the inner side of the turntable 73 is provided with several sliding grooves 731, which are circumferentially distributed along the axis of the turntable 73. Several clamping components 8 are provided, each corresponding to one of the sliding grooves 731. The clamping components 8 include a push plate 81, a clamping plate 82, and a pneumatic cylinder 83. The push plate 81 is L-shaped and includes a base plate 84 and a side plate 85. The base plate 84 and the side plate 85 are connected. A sliding block 86 is installed on the outer surface of the base plate 84. The push plate 81 is slidably connected to the turntable 73 through the cooperation of the sliding block 86 and the sliding grooves 731. One end of the base plate 84 is connected to the clamping plate 82. The pneumatic cylinder 83 is installed on the turntable 73, and the pneumatic end of the pneumatic cylinder 83 is connected to the outer surface of the side plate 85. The cross-sectional shape of the clamping plate 82 is arc-shaped.

[0042] A sprayer 9 is provided inside the transmission chamber 11. The sprayer 9 is installed on the transmission box 1 and corresponds to the transmission assembly 2. A delivery pipe 91 is provided on the sprayer 9. One end of the delivery pipe 91 is connected to the sprayer 9, and the other end of the delivery pipe 91 passes through the transmission box 1 and is placed on the outside. An oil filling tank 92 is provided on the outer end of the delivery pipe 91. The oil filling tank 92 is installed on the transmission box 1 and is connected to the delivery pipe 91.

[0043] like Figure 4 As shown, the bottom of the transmission cavity 11 is provided with several drainage grooves 93, and the bottom surface of the transmission cavity 11 is provided with a collection groove 94. The collection groove 94 is located at one end of the transmission cavity 11, and the drainage grooves 93 and the collection groove 94 are connected. The transmission box 1 is provided with an extraction tube 95, and one end of the extraction tube 95 passes through the transmission box 1 and is connected to the collection groove 94.

[0044] In use, a clamp is installed on the flange 33 of the transverse drive assembly 3 to hold the workpiece. After the workpiece is clamped, the pneumatic cylinder 29 actuates, and the motor base 25 slides on the mounting plate 12, causing gear 23 on the drive shaft 22 to mesh with gear 31. The motor 21 actuates, and the drive shaft 22 drives gear 23 to rotate, which in turn drives gear 31 to rotate. Gear 31 drives screw 33 to rotate. Since nut 35 is connected to flange 32 through connecting plate 36, the rotation of screw 33 drives nut 35 to move on screw 33, thus realizing the transverse movement of flange 32. After the transverse movement is completed, the pneumatic cylinder 29 actuates, and the bevel gear 24 on the drive shaft 22 meshes with bevel gear 43 of the longitudinal drive assembly 4. Bevel gear 24 drives bevel gear 43 to rotate, which can drive screw 42 to rotate. Screw 42 is threadedly connected to mounting base 41, which can drive transmission box 1 to move on the base plate 45 of mounting base 41, realizing longitudinal movement. Gear 1 23 is positioned by the support plate 38 and the fixed shaft 34, and bevel gear 2 43 is positioned by the support rod 47.

[0045] After the workpiece reaches the designated position, the motor two 52 of the polishing assembly 5 is actuated to drive the gear three 57 to rotate, the gear three 57 is engaged with the rack one 58 on the lifting column 51, the lifting column 51 can be lifted and lowered, the grinding wheel assembly 6 is in contact with the workpiece, and the grinding of the workpiece is completed. The grinding wheel assembly 6 rotates through the belt, which can ensure the high speed of the grinding wheel. The grinding wheel head 64 is limited on the grinding wheel shaft 63 through the cooperation of the limiting groove 641 and the limiting block 671, and the grinding wheel head 64 is connected with the grinding wheel shaft 63 through the screw rod 69, which drives the fixed ring 692 to complete the fixation of the grinding wheel head 64. During the machining process, the transmission assembly 2 is moved to realize the switching of different moving shafts and cut the workpiece, which can ensure that one reverse shaft is moved while locking the other direction shaft.

[0046] During cutting, the transmission assembly 2 in the transmission cavity 11 can be lubricated by extracting lubricating oil from the oil injection tank 92 through the sprayer 9, and the waste oil generated during the lubrication process is guided by the drainage groove 93 to flow to the collection groove 94, and can be extracted by the extraction pipe 95.

[0047] When the grinding wheel head 64 needs to be replaced, the connecting strip 71 and the rotating disc 73 are installed on the moving strip 71, the moving strip 71 is driven to move by the motor four 75, the rotating disc 73 is in contact with the rotating piece 691. After contact, the pneumatic cylinder two 83 is actuated to push the push plate 81 to drive the clamping plate 82 to clamp the rotating piece 691, after clamping, the motor five 79 is actuated, the worm 791 of the motor five 79 drives the worm gear 781 on the rotating shaft 78 to rotate, so that the screw rod 69 is taken out, and the contact of the grinding wheel head 64 is fixed. After the fixation of the grinding wheel head 64 is released, the grinding wheel head 64 can be taken again through the replacement assembly 7, avoiding the falling of the grinding wheel head 64 when manually taken.

Claims

1. A three-axis drive device for a surface grinder, characterized in that, The utility model provides a kind of polishing machine, including transmission case (1), transmission assembly (2), transverse drive assembly (3), longitudinal drive assembly (4) and polishing assembly (5), the transmission case (1) is equipped with transmission cavity (11), the transmission assembly (2) is placed transmission case (1) outside and is slidably connected with transmission case (1), one end of the transmission assembly (2) penetrates transmission case (1) and is placed in transmission cavity (11), the transverse drive assembly (3) is placed in transmission cavity (11) and is connected in transmission assembly (2), the longitudinal drive assembly (4) is placed in transmission cavity (11) and is connected with transmission case (1), the longitudinal drive assembly (4) is matched with transmission assembly (2), the transmission case (1) is equipped with mounting seat (41), the transmission case (1) is slidably connected with mounting seat (41), the polishing assembly (5) is installed on mounting seat (41) and corresponds with transmission case (1), the transmission assembly (2) includes motor one (21), transmission shaft (22), gear one (23), bevel gear one (24) and motor seat one (25), one side of the transmission case (1) is equipped with mounting plate (12), the shape of the mounting plate (12) is L-shaped, the mounting plate (12) includes bottom plate one (13) and side plate one (14), one end of the bottom plate one (13) is connected with transmission case (1), the other end of the bottom plate one (13) is connected with side plate one (14), the shape of the motor seat one (25) is L-shaped, the motor seat one (25) includes bottom plate two (26) and side plate two (27), one end of the bottom plate two (26) is connected with one end of side plate two (27), the outer side of the bottom plate two (26) is equipped with sliding block one (28), the inner side of the bottom plate one (13) is equipped with sliding groove one (15), the motor seat one (25) is slidably connected with mounting plate (12) by the cooperation of sliding block one (28) and sliding groove one (15), the inner side of the mounting plate (12) is equipped with pneumatic cylinder one (29), the pneumatic cylinder one (29) is installed on side plate one (14), the pneumatic end of the pneumatic cylinder one (29) is connected with the outer side of side plate two (27), the motor one (21) is installed on motor seat one (25), one end of the transmission shaft (22) is connected with motor shaft of motor one (21), the other end of the transmission shaft (22) penetrates transmission case (1) and is placed in transmission cavity (11), the transmission shaft (22) is placed in transmission cavity (11) one end and is installed gear one (23) and bevel gear one (24) in proper order.

2. A three-axis drive device for a flat surface grinder according to claim 1, wherein The transverse driving assembly (3) comprises gear two (31), flange plate (32), screw rod one (33) and fixed shaft (34), gear two (31) is engaged with gear one (23), screw rod one (33) is installed on one side of gear two (31), screw rod one (33) is provided with nut (35), nut (35) is in threaded connection with screw rod one (33), the top of transmission box (1) is provided with through hole (16), through hole (16) is in communication with transmission cavity (11) and corresponds with screw rod one (33), both sides of nut (35) are provided with connecting plate (36), one end of connecting plate (36) is connected with nut (35), the other end of connecting plate (36) is connected with flange plate (32) after passing through through hole (16), the bottom of flange plate (32) is provided with sliding block two (37), the top of transmission box (1) is provided with sliding groove two (17), flange plate (32) is slidably connected with transmission box (1) through the cooperation of sliding groove two (17) and sliding block two (37), fixed shaft (34) is installed on the other side of gear two (31), one end of fixed shaft (34) is connected with gear two (31), the other end of fixed shaft (34) is rotatably connected with transmission box (1), support plate (38) is provided on fixed shaft (34), one end of support plate (38) is rotatably connected with fixed shaft (34), the other end of support plate (38) is rotatably connected with transmission shaft (22).

3. The three-axis drive device for a flat surface grinder according to claim 1, wherein The longitudinal driving assembly (4) comprises screw rod two (42) and bevel gear two (43), the shape of the mounting seat (41) is L-shaped, the mounting seat (41) comprises side plate three (44) and bottom plate three (45), the inner side of side plate three (44) is provided with sliding groove three (46), the bottom of transmission box (1) is provided with sliding block three (18), transmission box (1) is slidably connected with mounting seat (41) through the cooperation of sliding block three (18) and sliding groove three (46), one end of screw rod two (42) is arranged in transmission cavity (11), the other end of screw rod two (42) sequentially penetrates transmission box (1) and side plate three (44) of mounting seat (41), screw rod two (42) is in threaded connection with side plate two (27), one end of bevel gear two (43) is connected with the end of screw rod two (42) arranged in transmission cavity (11), bevel gear two (43) is matched with bevel gear one (24), the other side of bevel gear two (43) is provided with support rod (47), one end of support rod (47) is connected with bevel gear two (43), the other end of support rod (47) is rotatably connected with transmission box (1).

4. A three-axis drive device for a flat grinder according to claim 3, characterized in that The polishing assembly (5) comprises a lifting column (51), a motor two (52) and a grinding wheel assembly (6), the lifting column (51) is in the shape of L, the lifting column (51) comprises a side edge (53) and a top edge (54), the side edge (53) and the top edge (54) are connected, the inner side of the side edge (53) is provided with a sliding block four (55), the outer side of the side plate three (44) of the mounting seat (41) is provided with a sliding groove four (48), the side edge (53) is slidably connected with the mounting seat (41) through the cooperation of the sliding block four (55) and the sliding groove four (48), the outer side of the side plate three (44) is provided with a motor seat two (56), the motor seat two (56) is arranged on one side of the lifting column (51), the motor two (52) is installed on the motor seat two (56), the motor shaft of the motor two (52) is provided with a gear three (57), the gear three (57) is connected with the motor shaft of the motor two (52), the side of the lifting column (51) close to the motor two (52) is provided with a rack one (58), the gear three (57) is engaged with the rack one (58), and the grinding wheel assembly (6) is installed on the top edge (54) of the lifting column (51).

5. A three-axis drive device for a flat grinder according to claim 4, wherein The grinding wheel assembly (6) comprises a mounting plate (12), a motor three (62), a grinding wheel shaft (63) and a grinding wheel head (64), the mounting plate (12) is installed on the inner side of the top edge (54) of the lifting column (51), one end of the grinding wheel shaft (63) penetrates through the mounting plate (12) and is rotatably connected with the mounting plate (12), the end of the grinding wheel shaft (63) penetrating through the mounting plate (12) is provided with a pulley one (65), the motor three (62) is installed on the lifting column (51), a pulley two (68) is installed on the motor shaft of the motor three (62), the pulley one (65) is provided with a belt (66), one end of the belt (66) is matched with the pulley one (65), the other end of the belt (66) is matched with the pulley two (68), the other side of the mounting plate (12) is provided with a retaining ring (67), the retaining ring (67) is installed on the grinding wheel shaft (63), the side, away from the mounting plate (12), of the retaining ring (67) is provided with a limiting block (671), the grinding wheel head (64) is provided with a limiting groove (641), the grinding wheel head (64) is connected with the retaining ring (67) through the cooperation of the limiting groove (641) and the limiting block (671), one end of the grinding wheel shaft (63) installing the grinding wheel head (64) is provided with a threaded hole (631), the grinding wheel shaft (63) is provided with a screw rod (69), one end of the screw rod (69) is arranged in the threaded hole (631) and is threadedly connected with the grinding wheel shaft (63), the other end of the screw rod (69) is provided with a rotating plate (691), the rotating plate (691) is provided with a fixing ring (692), one end of the fixing ring (692) is connected with the rotating plate (691), the other end of the fixing ring (692) is in contact with the grinding wheel head (64).

6. A three-axis drive device for a flat grinder according to claim 5, wherein The lifting column (51) is provided with a replacement assembly (7), the replacement assembly (7) comprises a moving strip (71), a connecting strip (72) and a rotating disc (73), the bottom surface of the moving strip (71) is provided with a sliding block five (74), the outer side of the top edge (54) of the lifting column (51) is provided with a sliding groove five (59), the moving strip (71) is slidably connected with the lifting column (51) through the cooperation of the sliding block five (74) and the sliding groove five (59), the top surface of the moving strip (71) is provided with a rack two (77), the lifting column (51) is provided with a motor four (75), the motor shaft of the motor four (75) is provided with a gear four (76), the gear four (76) is engaged with the rack two (77), the connecting strip (72) is arranged on one side of the grinding head (64), one end of the connecting strip (72) is detachably connected with the moving strip (71), the other end of the connecting strip (72) is rotatably connected with the rotating disc (73), one side of the rotating disc (73) close to the grinding head (64) is provided with a clamping assembly (8), the other end of the rotating disc (73) is provided with a rotating shaft (78), the other end of the rotating shaft (78) is connected with the rotating disc (73), the other end of the rotating shaft (78) penetrates through the connecting strip (72) and is arranged outside the connecting strip (72), one end of the rotating shaft (78) arranged outside the connecting strip (72) is provided with a worm wheel (781), the connecting strip (72) is provided with a motor five (79), the motor shaft of the motor five (79) is provided with a worm (791), and the worm wheel (781) cooperates with the worm (791).

7. A three-axis drive device for a flat grinder according to claim 6, wherein The inner side of the rotating disc (73) is provided with a plurality of sliding grooves six (731), the plurality of sliding grooves six (731) are distributed in a circle along the axis of the rotating disc (73), the clamping assembly (8) is provided with a plurality of clamping assemblies (8) and corresponds to the sliding grooves six (731) one by one, the clamping assembly (8) comprises a push plate (81), a clamping plate (82) and a pneumatic cylinder two (83), the push plate (81) is in the shape of L, the push plate (81) comprises a bottom plate four (84) and a side plate four (85), the bottom plate four (84) is connected with the side plate four (85), the outer side of the bottom plate four (84) is provided with a sliding block six (86), the push plate (81) is slidably connected with the rotating disc (73) through the cooperation of the sliding block six (86) and the sliding groove six (731), one end of the bottom plate four (84) is connected with the clamping plate (82), the pneumatic cylinder two (83) is arranged on the rotating disc (73), the pneumatic end of the pneumatic cylinder two (83) is connected with the outer side of the side plate four (85), and the cross section of the clamping plate (82) is in the shape of a circular arc.

8. The three-axis drive device for a flat grinder according to claim 1, wherein The transmission cavity (11) is provided with a sprayer (9), the sprayer (9) is installed on the transmission box (1) and corresponds to the transmission assembly (2), the sprayer (9) is provided with a conveying pipe (91), one end of the conveying pipe (91) is communicated with the sprayer (9), the other end of the conveying pipe (91) penetrates the transmission box (1) and is placed outside, the one end of the conveying pipe (91) placed outside is provided with an oil injection tank (92), the oil injection tank (92) is installed on the transmission box (1) and is communicated with the conveying pipe (91).

9. The three-axis drive device for a flat grinder according to claim 1, wherein The bottom of the transmission cavity (11) is provided with a plurality of drainage grooves (93), the bottom surface of the transmission cavity (11) is provided with a collecting groove (94), one end of the collecting groove (94) is placed in the transmission cavity (11), the drainage grooves (93) are communicated with the collecting groove (94), the transmission box (1) is provided with a suction pipe (95), one end of the suction pipe (95) penetrates the transmission box (1) and is communicated with the collecting groove (94).

Images