CN114939690B - Magnetic drill large-aperture processing device - Google Patents
Magnetic drill large-aperture processing device Download PDFInfo
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- CN114939690B CN114939690B CN202210103210.8A CN202210103210A CN114939690B CN 114939690 B CN114939690 B CN 114939690B CN 202210103210 A CN202210103210 A CN 202210103210A CN 114939690 B CN114939690 B CN 114939690B
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- 238000005553 drilling Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims description 43
- 239000003638 chemical reducing agent Substances 0.000 claims description 42
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 abstract description 13
- 230000001012 protector Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a magnetic drill large-aperture processing device which comprises a drilling machine device, a Z-axis moving device, a plane polar coordinate moving device, a drill bit protecting device and an angle tilting device, wherein the drilling machine device is connected with the Z-axis moving device through a lead screw and a light bar, the Z-axis moving device is embedded in an annular groove of a magnetic drill frame through an upper guide rail and can rotate freely, the upper end of the plane polar coordinate moving device is fixed on the upper guide rail, the lower end of the plane polar coordinate moving device is fixed on a lower guide rail, the lower guide rail is also connected with a stand column of the magnetic drill frame through an annular frame, the detachable drill bit protecting device is connected with a drill bit part of the drilling machine device, and the detachable angle tilting device is connected with the magnetic drill frame at the outer side. The invention solves the problems that the magnetic drilling equipment in the prior art is difficult to accurately position and punch, even in certain working scenes, the magnetic drilling equipment cannot accurately position, and the punching operation with a certain angle deviation from the plane fixed by the equipment cannot be realized in part of the working scenes.
Description
Technical Field
The invention belongs to the technical field of magnetic drills, and particularly relates to a large-aperture processing device of a magnetic drill.
Background
When large and medium-sized equipment is installed in outdoor and high-altitude operation, on the premise that the equipment adopting threaded connection is required to drill holes on the surface of an object to be installed, some equipment is required to be installed to accurately drill and tap holes on the surface of a material like an indoor machine tool, but a common hand tool cannot accurately drill holes; secondly, when the vertical steel structure is punched and tapped and when inverted punching and tapping are needed, people need to consume a large amount of body force to fix the drilling machine, or the punching cannot be fixed at all. The working practice is urgent for a tool: firstly, the weight of the device is lighter, and the device is very suitable for outdoor and high-altitude operation; secondly, when the drilling and tapping are started, the steel structure can be adsorbed on the steel structure by itself, and the steel structure does not need to be fixed manually. The magnetic drill is a metal processing tool which can be adsorbed on a steel structure to drill, tap and ream holes, and can well solve the problem of outdoor and partial indoor hole drilling operation.
The existing magnetic drill equipment still has some problems, such as difficulty in accurate positioning during drilling, and need to manually move the magnetic drill for positioning. When the magnetic drill is put forward, the manual movement of the magnetic drill is troublesome and still feasible for positioning, and when the magnetic drill needs to be used for inverted punching and tapping, the accurate positioning of the punching position by adopting the manual movement of the magnetic drill becomes extremely difficult.
For reaming, especially when the aperture that needs reaming is great, generally need large-scale lathe equipment, supporting use great drilling cutter to process, and current magnetic drill is owing to the requirement of using the convenience, and the volume of general design is less to the cutter driving motor who is equipped is less, therefore does not possess large aperture reaming processing ability.
In addition, the existing magnetic drilling equipment can only punch holes in the fixed plane where the equipment is located, and when a certain angle deviation exists between the fixed plane where the equipment is located and the position where the equipment needs to be punched, the existing magnetic drilling equipment cannot punch holes, namely the working range is limited greatly.
In view of the above, there is a strong need for a magnetic drill capable of performing accurate positioning and drilling at an inclined angle to solve the above problems
Disclosure of Invention
The invention aims to provide a large-aperture processing device of a magnetic drill, which solves the problems that in the prior art, magnetic drill equipment is difficult to accurately position and punch, even in certain working scenes, the equipment cannot accurately position, and the punching operation with a certain angle deviation from the plane fixed by the equipment cannot be realized in part of the working scenes. Meanwhile, for the working condition that the magnetic drill is required to be used for reaming, the invention adopts reaming by matching the Z-axis moving device, the polar coordinate rho direction moving mechanism and the polar coordinate theta direction moving mechanism, and by adopting circumferential interpolation motion along the circumferential direction of the to-be-reamed and feeding motion along the Z axis (perpendicular to the circumferential direction of the to-be-reamed) in a reaming plane, the reaming method adopts a small driving motor and a small drilling tool, adopts a method of cutting the side surface of the to-be-reamed aperture by using the drilling or milling tool, realizes large-aperture reaming by adopting an arc interpolation mode, and effectively solves the problem that the prior magnetic drill cannot perform large-aperture reaming.
The technical scheme includes that the magnetic drill large-aperture machining device comprises a drilling machine device, a Z-axis moving device, a plane polar coordinate moving device, a drill bit protecting device and an angle tilting device, wherein the drilling machine device is connected with the Z-axis moving device through a lead screw and a light bar, the Z-axis moving device is embedded in an annular groove of a magnetic drill frame through an upper guide rail and can freely rotate, the upper end of the plane polar coordinate moving device is fixed on the upper guide rail, the lower end of the plane polar coordinate moving device is fixed on a lower guide rail, the lower guide rail is also connected with a stand column of the magnetic drill frame through the annular frame, the detachable drill bit protecting device is connected to a drill bit part of the drilling machine device, and the detachable angle tilting device is connected with the magnetic drill frame at the outer side.
The technical proposal of the invention is also characterized in that,
the drilling machine device comprises the following specific structures: the electric drill motor, the motor fixing plate and the main shaft reducer are connected through screw bolts and nuts, the bottom end of the main shaft reducer extends out of the main shaft of the drilling machine, and the main shaft of the drilling machine is connected with the drill bit.
The Z-axis moving device has the following specific structure: the two lead screws and the two feed screws are alternately connected to the main shaft reducer shell at the lower half part, and the upper ends of the lead screws and the feed screws pass through the baffle A and the baffle B to be fixed on the upper sliding block; the upper slide block is buckled in a sliding groove on the side surface of the upper guide rail, the upper guide rail is connected with the frame through an upper guide rail supporting plate B to keep the height unchanged, so that the upper slide block, a screw rod connected with the upper slide block and the screw rod, and the feed screw rod are kept unchanged in height, the screw rod enables the main shaft speed reducer to ascend or descend when rotating in a screw rod sleeve outside the main shaft speed reducer, so that the electric drilling line moves up and down, the main shaft speed reducer ascends or descends and simultaneously drives a lower slide block fixedly connected with the main shaft speed reducer, the lower slide block is buckled in the sliding groove on the side surface of the lower guide rail, so that the lower guide rail also moves up and down correspondingly, two ends of the lower guide rail are embedded in annular grooves of the annular frame, the annular frame is driven to move up and down, 3 outer slide block claws are embedded in grooves of a stand column of the frame, speed reducing pinions are fixed between the screw rod and a baffle A and a baffle B, and the four speed reducing pinions are respectively meshed with a central gear; the four reduction pinions are respectively and fixedly connected with the screw rod and the feed beam. The sun gear is driven to rotate by the Z-axis motor through the planetary reducer. The planetary reducer uses a planetary wheel set to reduce the rotation speed and outputs the rotation speed through a sun gear. The planetary reducer has 4 small convex columns on its casing to fix the Z-axis motor.
The specific structure of the planar polar coordinate moving device is as follows: the device is divided into a polar coordinate rho direction moving mechanism and a polar coordinate theta direction moving mechanism.
Polar coordinate ρ direction moving mechanism: the upper slide block and the lower slide block slide on the upper guide rail and the lower guide rail respectively through the rotation of the rho motor, a baffle A and a baffle B in the Z-axis moving device are fixedly connected with the upper slide block, the top ends of a lead screw and a smooth rod are connected with the upper slide block, two sides of the upper slide block are provided with sliding grooves, the sliding grooves of the upper slide block are buckled in the sliding grooves on the side surfaces of the upper guide rail, the center of the upper slide block passes through two synchronous upper guide rail lead screws, the upper slide block moves in the polar coordinate rho direction through the rotation of the upper guide rail lead screws, two synchronous upper guide rail lead screw both ends are connected with an upper guide rail supporting plate B, one end of the upper guide rail lead screw is near the center of the whole device, one end of the upper guide rail lead screw is fixedly connected with an upper guide rail lead screw transmission gear on the two upper guide rail lead screw respectively, the two upper guide rail lead screw transmission gears are meshed with the middle transmission gears on the middle part, the other end of the shaft of the upper guide rail lead screw is provided with an upper transmission bevel gear A, the bottom of a shell of a main shaft reducer in the drilling device is meshed with the rho motor to rotate through the upper transmission bevel gear B, the lower slide block is meshed with the lower slide block, the center of the lower slide block is enabled to move in the polar coordinate direction, the main shaft of the drilling machine is driven by the lower slide block passes through the lower slide block directly passes through the lower slide block and the lower slide block, the two guide rails and passes through the two sliding grooves in the middle guide rails and the middle guide rails, the two end of the middle guide rails are fixedly connected with the middle guide rails, and the lower guide rails are meshed with the middle guide rails, and the lower end of the lower guide rail. The other end of the shaft where the middle transmission gear of the lower guide rail screw rod is located is a lower transmission bevel gear A, the lower transmission bevel gear A is meshed with a lower transmission bevel gear B on a rho motor linkage long spline to rotate, an upper sliding block and a lower sliding block are driven by the same rho motor, so that the upper sliding block and the lower sliding block are linked, the upper sliding block and the lower sliding block synchronously move in the polar coordinate rho direction, the rho motor is fixed through a rho motor support frame, the upper end of the rho motor support frame is fixed on an upper guide rail, the lower end of the rho motor support frame is fixed on a lower guide rail through a rho motor support frame support column, the lower end of the rho motor support frame is in sleeve design and sleeved on the rho motor support frame support column, and the rho motor is driven by the rho motor linkage long spline below the rho motor.
The polar coordinate theta direction moving mechanism has the specific structure that: the upper guide rail end gear and the lower guide rail end gear on the upper guide rail and the lower guide rail are respectively meshed with an upper frame groove internal gear and an annular frame groove internal gear in the annular grooves of the upper frame and the annular frame to finish theta-direction movement, the upper frame groove internal gear is divided into an upper part and a lower part, the upper half part is divided into an upper frame groove internal gear at the end of the upper guide rail and an upper frame groove internal gear in the upper frame groove, an upper frame large groove is arranged in the upper frame, the upper guide rail and an upper guide rail supporting plate B are clamped in the upper frame large groove, the upper guide rail supporting plate B and the upper guide rail supporting plate A are fixedly connected together through bolts, the upper guide rail supporting plate A passes through the frame, a rotating pair is formed between the upper guide rail supporting plate A and the upper surface of the upper frame through a thrust bearing, the upper guide rail supporting plate A and the upper guide rail supporting plate B can bear partial vertical stress, the middle part of the upper frame large groove is provided with an upper frame small groove, the upper frame groove internal gear is arranged in the small groove and meshed with the upper guide rail end gear at the end of the upper guide rail, the lower half part is meshed with the annular frame groove internal gear in the annular frame groove in the annular frame, 3 outer sliding blocks extend out of the annular frame and outer sliding blocks are matched with the annular frame large grooves in the annular frame groove, and the two ends of the annular frame groove in the annular frame large groove can be matched with the annular frame groove in the annular frame groove. The middle part of the big recess of the annular frame also has the small recess of the annular frame, place the annular frame internal gear in the small recess of the annular frame, with the terminal gear engagement of the lower guideway terminal of the lower guideway, the terminal pinion of the upper guideway is all through theta motor drive with the terminal pinion of lower guideway, theta motor is fixed through theta motor support frame and theta motor support frame pillar, the upper end is that theta motor support frame is fixed in the upper guideway, the lower extreme is that theta motor support frame pillar is fixed in the lower guideway, the lower extreme of theta motor support frame uses the sleeve design too, make theta motor support frame lower extreme cover on theta motor support frame pillar, use the long spline of theta motor linkage to carry on the transmission bevel gear for the screw below the theta motor, the linkage of upper guideway and lower guideway makes upper guideway and lower guideway rotate synchronously simultaneously.
The drill bit protection device is divided into two parts, the annular part of the upper plate of the drill bit protection device is fixed at the tail end of the main shaft of the drilling machine through threaded connection, the part of the extended long plate is in a sleeve form, the extended long plate of the lower plate of the drill bit protection device is sleeved by the extended long plate, the bearing is placed at the annular part of the lower half part, the rubber ring is placed at the inner ring of the bearing, and the drill bit penetrates through the center of the rubber ring.
The specific structure of the angle tilting device is as follows: the top of the upper frame of the magnetic drill is fixedly connected with a connecting plate of the magnetic drill, the upper surface of the connecting plate of the magnetic drill is fixedly connected with a telescopic sleeve plate, the tail end of the telescopic sleeve plate is hinged with 2 hinged lantern rings, and the 2 hinged lantern rings are sleeved on an upright post at one side of the angle tilting frame. The telescopic plugboard is connected with the telescopic sleeve board in a sleeve shape, the tail end of the telescopic plugboard is hinged with 2 hinged lantern rings, the 2 hinged lantern rings are arranged on the other side upright post of the angle tilting frame, the rear side of the hinged lantern rings is provided with a fastening hand wheel, and the hinged lantern rings move up and down on the upright post of the angle tilting frame so as to adjust the tilting angle of the magnetic drill.
The invention has the beneficial effects that the problem that the existing magnetic drill equipment is difficult to accurately position and punch is solved, the accurate positioning and punching can be carried out in most working scenes, and the punching operation can be carried out in special working scenes where some common magnetic drills cannot punch, so that the problem that the punching operation with a certain angle deviation from the plane fixed by the equipment cannot be realized in part of working scenes is solved. The innovative structure of the magnetic drill can realize the processing of any aperture in a relatively large range, is particularly suitable for processing large aperture, has the function which the existing magnetic drill does not have, can adapt to wider working scenes, and can meet more processing requirements.
Drawings
FIG. 1 is an overall schematic view of a magnetic drill of the novel structure;
FIG. 2 is an overall schematic view of the novel magnetic drill;
FIG. 3 (a) is a schematic view of the top surface (partially in cross section) of the magnetic drill of the novel structure;
FIG. 3 (b) is a schematic diagram of a Z-axis motor and a planetary reducer;
FIG. 3 (c) is a schematic diagram of a portion of the housing of the Z-axis motor and planetary reducer;
FIG. 4 is a schematic view of the bottom surface of the magnetic drill of the novel structure;
FIG. 5 is an overall schematic view of the novel magnetic drill;
FIG. 6 is a schematic view of the magnetic drill and the angle tilting device of the novel structure;
FIG. 7 (a) is a schematic diagram of a screw and a gear of a ρ -direction moving mechanism;
fig. 7 (b) is a schematic diagram of a θ direction moving mechanism, a ρ direction moving mechanism and a transmission gear;
fig. 8 is a detailed diagram of the meshing of the internal gear in the θ direction moving mechanism;
fig. 9 is a schematic view of the structure of the ring frame.
The drill bit comprises a main shaft, an upper frame, an upper sliding block, an upper guide rail, a rho motor support frame, a frame upright post, a 6 theta motor support frame, a 7, a shaft coupling, a frame base, a 9, an annular frame, a lower drill bit protection device plate, a reduction pinion, a baffle A, a baffle B, a guide screw, a 15, a light bar, a 16, a main shaft reducer outer screw sleeve, a 17, an electric drill motor, a 18, a main shaft reducer outer screw sleeve, a 19, a motor fixing plate, a 20, a main shaft reducer, a 21, a lower guide rail, a 22, a drill bit, a 23, a rho motor, a 24, a 25 theta motor support frame pillar, a 26 theta motor linkage long spline, a 27 rho motor linkage long spline, a 28, an upper guide rail support plate A, a 29, a thrust bearing, a 30, an upper sliding block connecting frame, a 31, a drill bit protection device upper plate, a 32, upper lead screw drive gear A,34, upper drive bevel gear A,35, upper lead screw intermediate drive gear, 36, upper lead screw drive gear B,37, electromagnet, 38, lower lead screw, 39, rubber ring, 40, lower slider, 41, bit protection device set-up gear, 42, upper housing groove internal gear, 43, p motor support housing post, 44, lower lead screw gear, 45, annular housing groove internal gear, 46, angle tilting housing, 47, hinge collar, 48, tightening hand wheel, 49, fixed rod, 50, telescoping sleeve plate, 51, telescoping insert plate, 52, magnetic drill connecting plate, 53, angle tilting housing post, 54, upper lead screw, 55, lower lead end gear, 56, upper lead end gear, 57, central gear, 58, Z shaft motor, 59, 60. small boss, 61.ρ motor shaft, 62. Upper frame large recess, 63. Upper frame small recess, 64. Annular frame large recess, 65. Annular frame small recess, 66. Upper rail pallet B,67. Lower rail lead screw drive gear, 68. Upper drive bevel gear B,69. Lower drive bevel gear A,70. Lower drive bevel gear B,71. Lower rail lead screw intermediate drive gear, 72. Lower rail lead screw drive gear, 73. Outer slide pawl.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
The invention relates to a large-aperture processing device of a magnetic drill, which is shown in figure 1 and comprises a drilling machine device, a Z-axis moving device, a plane polar coordinate moving device, a drill bit protecting device and an angle tilting device, wherein the drilling machine device is connected with the Z-axis moving device through a lead screw 14 and a light bar 15, the Z-axis moving device is embedded in an annular groove of a magnetic drill frame through an upper guide rail 3 and can freely rotate, the upper end of the plane polar coordinate moving device is fixed on the upper guide rail 3, the lower end of the plane polar coordinate moving device is fixed on a lower guide rail 21, the lower guide rail 21 is also connected with a stand column 5 of the magnetic drill frame through an annular frame 9, the detachable drill bit protecting device is connected with a drill bit part of the drilling machine device, and the detachable angle tilting device is connected with the magnetic drill frame at the outer side. The plane polar coordinate moving device enables the drilling machine part to move randomly within the range of the magnetic base, so that accurate positioning is achieved, and the Z-axis moving device can enable the drilling machine part to gradually descend from an initial safe height to a working height for drilling and other operations. The angle tilting device can tilt the drilling machine by a certain angle, so that the drilling operation of a special working scene is performed.
As shown in fig. 1: the drilling machine device comprises the following specific structures: the electric drill motor 17, the motor fixing plate 19 and the main shaft reducer 20 are connected through bolts and nuts, the bottom end of the main shaft reducer 20 extends out of the main shaft 32 of the drilling machine, and the main shaft 32 of the drilling machine is connected with the drill bit 22. After the electric drill motor 17 is started, the drill spindle 32 drives the drill bit 22 to rotate after the torque is increased by the spindle reducer 20, so that the punching work can be performed.
As shown in fig. 1, 2, 3 (a), 3 (b), 3 (c), 5, and 9: the Z-axis moving device has the specific structure that: the two lead screws 14 and the two feed screws 15 are alternately connected to the shell of the main shaft reducer 20 at the lower half part, and the upper ends of the lead screws 14 and the feed screws 15 penetrate through the baffle A12 and the baffle B13 to be fixed on the upper sliding block 2; the upper slide block 2 is buckled in a chute on the side surface of the upper guide rail 3, and the upper guide rail 3 is connected with the frame through an upper guide rail supporting plate B66 to keep the height unchanged, so that the upper slide block 2, a screw rod 14 connected with the upper slide block and a feed beam 15 keep the height unchanged. The feed rod 15 plays a role in positioning and balancing an electric drill, when the feed screw 14 rotates in the outer feed screw sleeve 16 of the main shaft reducer, the main shaft reducer 20 ascends or descends, so that the electric drill moves up and down, the main shaft reducer 20 ascends or descends and simultaneously drives the lower slide block 40 fixedly connected with the main shaft reducer 20, the lower slide block 40 is buckled in a chute on the side face of the lower guide rail 21, so that the lower guide rail 21 moves up and down correspondingly, two ends of the lower guide rail 21 are embedded in annular grooves of the annular frame 9, the annular frame 9 is driven to move up and down, 3 outer slide block claws 73 extend out of the annular frame 9 and are embedded in grooves of the stand column 5 of the stand column of the electric drill, the feed screw 14 and the feed rod 15 are fixedly provided with speed reducing pinions 11 between the baffle A12 and the baffle B13, and the four speed reducing pinions 11 are meshed with the sun gear 57 respectively; the four reduction pinions 11 are respectively fixedly connected with a screw rod 14 and a feed rod 15. The sun gear 57 is rotated by the Z-axis motor 58 through the planetary reducer 59. The planetary reducer 59 reduces the rotational speed using planetary gears, and outputs the reduced rotational speed through the sun gear 57. The planetary reducer 59 has 4 small bosses 60 on its housing to fix the Z-axis motor 58. The working process is to provide power for the Z-axis motor 58, the power is output to the sun gear 57 after the speed is reduced by the planetary reducer, and the sun gear 57 drives the 4 reduction pinions 11 to drive the screw rod 14 and the feed beam 15 to rotate, so that the spindle reducer 20 and the drill bit 22 descend to perform punching operation or ascend and reset.
The specific structure of the planar polar coordinate moving device is as follows: the mechanism is divided into a polar coordinate rho direction moving mechanism and a polar coordinate theta direction moving mechanism, and the two mechanisms respectively work in a linkage way through two parts.
As shown in fig. 1, 3 (a), 3 (b), 4, 7 (a), and 7 (b): the polar coordinate rho direction moving mechanism comprises: (mainly comprising a rho motor 23, an upper slide block 2, a lower slide block 40, an upper guide rail 3, a lower guide rail 21, an upper guide rail lead screw 54, a lower guide rail lead screw 38, two upper guide rail lead screw transmission gears 33 and 36, two lower guide rail lead screw transmission gears 67 and 72, an upper guide rail lead screw middle transmission gear 35, a lower guide rail lead screw middle transmission gear 71, a lower transmission bevel gear A69, a lower transmission bevel gear B70, a rho motor support frame 4, a rho motor support frame strut 43, a rho motor linkage long spline 26 and the like) are rotated by the rho motor 23, so that the upper slide block 2 and the lower slide block 40 respectively slide on the upper guide rail 3 and the lower guide rail 21, a baffle A12 and a baffle B13 in a Z-axis moving device are fixedly connected with the upper slide block 2, the top ends of a lead screw 14 and a light bar 15 are connected with the upper slide block 2, slide grooves are formed on two side surfaces of the upper slide block 2, the sliding groove of the upper sliding block 2 is buckled in the sliding groove on the side surface of the upper guide rail 3, two synchronous upper guide rail lead screws 54 penetrate through the center of the upper sliding block 2, the upper sliding block 2 moves in the polar coordinate rho direction through the rotation of the upper guide rail lead screws 54, two ends of the two synchronous upper guide rail lead screws 54 are connected with an upper guide rail supporting plate B66, one end of the upper guide rail lead screw 54 is arranged near the whole center of the device, an upper guide rail lead screw transmission gear A33 and an upper guide rail lead screw transmission gear B36 are respectively fixed on the two upper guide rail lead screws 54, the upper guide rail lead screw transmission gear A33 and the upper guide rail lead screw transmission gear B36 are meshed with an upper guide rail lead screw middle transmission gear 35 at the middle part, an upper transmission bevel gear A34 is arranged at the other end of the shaft of the upper guide rail lead screw middle transmission gear 35 and rotates through being meshed with an upper transmission bevel gear B68 on a rho motor shaft 61, the bottom of the shell of the main shaft reducer 20 in the drilling machine device is connected with the lower slide block 40 through a bolt, and a hole is formed in the center of the lower slide block 40, so that the main shaft 32 of the drilling machine directly passes through the lower slide block 40 from the hole, and the normal work of the drill bit 22 is not affected. The two sides of the lower slide block 40 are also provided with sliding grooves, the sliding grooves on the side of the lower slide block 40 are buckled in the sliding grooves on the side of the lower guide rail 21, the working principle of the lower slide block 40 and the upper slide block 2 is the same, two synchronous lower guide rail lead screws 38 penetrate through the center of the lower slide block 40, the lower slide block 40 moves in the direction of polar coordinates rho through the rotation of the lower guide rail lead screws 38, the two synchronous lower guide rail lead screws 38 are both connected with the lower guide rail 21, one end of each lower guide rail lead screw 38 is near the center of the whole device, a lower guide rail lead screw transmission gear 67 and a lower guide rail lead screw transmission gear 72 are respectively fixed on the two lower guide rail lead screws 38, the two lower guide rail lead screw transmission gears 67 and the lower guide rail lead screw transmission gear 72 are meshed with the lower guide rail lead screw middle transmission gear 71 at the middle part, the other end of the shaft of the lower guide rail lead screw middle transmission gear 71 is a lower transmission bevel gear A69, the upper slide block 2 and the lower slide block 40 are driven by the same rho motor 23 through meshing rotation of a lower transmission bevel gear B70 on a rho motor linkage long spline 27, so that the upper slide block 2 and the lower slide block 40 are linked, the upper slide block 2 and the lower slide block 40 synchronously move in the polar coordinate rho direction, the rho motor 23 is fixed by a rho motor support frame 4, the upper end of the rho motor support frame 4 is fixed on an upper guide rail 3, the lower end of the rho motor support frame 4 is fixed on a lower guide rail 21 by a rho motor support frame support column 43, the lower end of the rho motor support frame 4 is sleeved on the rho motor support frame support column 43 by using a sleeve design, the lower part of the rho motor 23 is driven by using a rho motor linkage long spline 26, and the design can enable a Z-axis direction moving mechanism to drive the upper guide rail (3), 12 The movement mechanism in the polar coordinate rho direction is not influenced after the distance between the two is changed. The polar coordinate ρ direction moving mechanism can make the upper and lower sliders 2, 40 and their appendages move from the center of the device to the end of the guide rail (i.e. the position where ρ is maximum) along the upper and lower guide rail 21 by the rotation of the upper and lower guide rail screws 38, and the maximum moving distance is the maximum working range of the drill bit 22.
As shown in fig. 1, 3 (a), 3 (b), 4, 8, and 9: the polar coordinate theta direction moving mechanism has the specific structure that: (mainly comprising an upper guide rail 3, a lower guide rail 21, an upper guide rail tail end gear 56, a lower guide rail tail end gear 55, an annular frame 9, a theta motor 24, a theta motor supporting frame strut 25, a theta motor linkage long spline and the like) respectively by means of the upper guide rail 3, the upper guide rail tail end gear 56 and the lower guide rail tail end gear 55 on the lower guide rail 21, which are meshed with an upper frame groove internal gear 42 and an annular frame groove internal gear 45 in the annular grooves of the upper frame 1 and the annular frame 9 to finish theta direction movement, and are divided into an upper part and a lower part, wherein the upper guide rail tail end gear 56 at the tail end of the upper guide rail 3 is meshed with the upper frame groove 42 in the groove of the upper frame 1, an upper frame big groove 62 is arranged in the upper frame 1, the upper guide rail 3 and an upper guide rail support plate B66 are clamped in the upper frame big groove 62, the upper guide rail support plate B66 and the upper guide rail support plate A28 are fixedly connected together through bolts, the upper guide rail A28 passes through the frame, a rotating pair is formed between the upper guide rail A28 and the upper surfaces of the upper frame 1 through a thrust bearing 29, the upper guide rail support plate A28 and the upper guide rail support plate B66 can rotate vertically, so that the upper guide rail 3 and the upper guide rail support plate 3 can rotate in the vertical direction, and the upper guide rail support plate 3 can bear a large support force. The middle part of the upper frame big groove 62 is provided with an upper frame small groove 63, an upper frame groove internal gear 42 is placed in the small groove and meshed with the upper rail end gear 56 at the tail end of the upper rail 3, the lower rail end gear 55 at the tail end of the lower rail 21 is meshed with the annular frame groove internal gear 45 in the annular frame 9, 3 outer sliding block claws 73 extend out of the annular frame 9 and are matched with the groove in the frame upright post 5, the annular frame 9 is also provided with an annular frame big groove 64 as the upper half part, two ends of the lower rail 21 are clamped in the annular frame big groove 64, and the lower rail 21 can slide in the annular frame big groove 64 when rotating. The middle part of the big recess 64 of the annular frame also has the small recess 65 of the annular frame, place the internal gear 45 of the annular frame in the small recess 65 of the annular frame, with the end gear 55 of the lower rail end of the end rail 21 of the lower rail, the end pinion of the upper rail 3 is all driven through theta motor 24 with the end pinion of the end rail 21 of the lower rail, theta motor 24 is fixed through theta motor support frame 6 and theta motor support frame pillar 25, the upper end is fixed in the upper rail 3 for theta motor support frame 6, the lower end is fixed in the lower rail 21 for theta motor support frame pillar 25, the lower end of theta motor support frame 6 uses the sleeve design likewise, make the lower end of theta motor support frame 6 cover on theta motor support frame pillar 25, use the long spline 26 of theta motor linkage to carry on the transmission bevel gear 35 for lead screw below the theta motor 24, the linkage of upper rail 3 and lower rail 21 makes upper rail 3 and lower rail 21 rotate synchronously at the same time. The design can ensure that the work of the polar coordinate theta direction moving mechanism is not influenced when the Z-axis direction moving mechanism changes the distance between the upper guide rail (3) and the lower guide rail (12). The design of the polar coordinate theta direction moving mechanism can enable the upper guide rail 3 and the lower guide rail 21 to synchronously rotate around the center of the magnetic drill, so that the drill is driven to move in the polar coordinate theta direction.
As shown in fig. 1, 2 and 5: drill bit protection device: when it is desired to use the bit protection device, such as when using a magnetic drill for reaming or when using a magnetic drill for drilling a surface having an inclination angle with respect to a fixed plane, the stress condition of the bit 22 can be improved by the device to protect the bit 22. The device can be removed when not needed.
The drill bit protector is divided into two parts, the annular part of the upper plate 31 of the drill bit protector is fixed at the tail end of the main shaft 32 of the drilling machine through threaded connection, the part of the extended long plate is in a sleeve form, and the extended long plate of the extended long plate part of the lower plate 10 of the drill bit protector is sleeved by the extended long plate, so that the length of the whole drill bit protector can be adjusted, and the length of the drill bit protector can be adjusted by matching with the length of the used drill bit, and the length of the drill bit protector is fixed by using the set screw 41 of the drill bit protector when appropriate. The lower half ring is provided with a bearing, the inner ring of the bearing is provided with a rubber ring 39, and the drill bit 22 passes through the center of the rubber ring 39. When the drill bit 22 is subjected to radial forces, the sleeve portion of the drill bit 22 protection device imparts a reaction force to the drill bit 22, ensuring its stability.
As shown in fig. 6: the specific structure of the angle tilting device is as follows: the angle-tilt frame 46 is used to make in-plane angle adjustments to the magnetic drill. The top of the upper frame 1 of the magnetic drill is fixedly connected with a magnetic drill connecting plate 52, the upper surface of the magnetic drill connecting plate 52 is fixedly connected with a telescopic sleeve plate 50, the tail end of the telescopic sleeve plate 50 is hinged with 2 hinging lantern rings 47, and the 2 hinging lantern rings 47 are sleeved on a side upright post of the angle tilting frame 46. The telescopic inserting plate 51 is connected with the telescopic sleeve plate 50 in a sleeve form, the tail end of the telescopic inserting plate 51 is hinged with the 2 hinging lantern rings 47, the 2 hinging lantern rings 47 are arranged on the other side upright post of the angle tilting frame 46, the rear side of the hinging lantern rings 47 is provided with a fastening hand wheel 48, and the hinging lantern rings 47 move up and down on the angle tilting frame upright post 53 so as to adjust the tilting angle of the magnetic drill. When the magnetic drill is adjusted to a proper angle, the hinged collar 47 is fixed by screwing the fixed hand wheel 48. When the drilling surface is inclined at a certain angle to the plane on which the magnetic drill is fixed, the drill bit 22 can be perpendicular to the surface to be drilled by using the angle inclination device. The angle tilting device enables the magnetic drill to adapt to more complex working conditions.
Machining plane: the interaction of the polar coordinate rho direction moving mechanism and the theta direction moving mechanism enables the magnetic drill to move randomly in a circular area with a certain area, so that the magnetic drill can adapt to more complex working conditions. When the punching position is required to be accurately positioned, the magnetic drill is fixed at the approximate position, the magnetic drill is adsorbed on the surface to be processed through the electromagnet 37, and the punching position can be accurately determined by adjusting the movement of the drill bit 22 through the planar polar coordinate moving device. When a large diameter hole is required, reaming can be performed by circularly moving the drill 22 by using the polar θ direction moving mechanism, or reaming with higher machining accuracy can be performed by circularly moving the drill 22.
Processing an inclined plane: when the plane on which the magnetic drill is fixed is inclined at an angle to the surface to be processed, an angle inclination device can be used, the magnetic drill is integrally fixed on a certain plane through the angle inclination frame 46 and the electromagnet 37, the fixing rod 49 is parallel to the inclined angle plane, and the position of the hinged collar 47 on the angle inclination frame stand 53 is adjusted so that the bottom surface of the magnetic drill is parallel to the surface to be processed. And then the object to be processed is processed in the same way as the processing plane.
As shown in fig. 4: the bottom of the magnetic drill and the bottom of the angle tilting device are provided with electromagnets 37, so that the electromagnets can be adsorbed on the surface of the magnetic material and can be used according to specific working conditions.
Claims (3)
1. The magnetic drill large-aperture machining device is characterized by comprising a drilling machine device, a Z-axis moving device, a plane polar coordinate moving device, a drill bit protecting device and an angle tilting device, wherein the drilling machine device is connected with the Z-axis moving device through a lead screw (14) and a feed beam (15), the Z-axis moving device realizes free rotation through an upper guide rail (3) embedded in an annular groove of a magnetic drill frame, the upper end of the plane polar coordinate moving device is fixed on the upper guide rail (3), the lower end of the plane polar coordinate moving device is fixed on a lower guide rail (21), the lower guide rail (21) is also connected with a magnetic drill frame upright post (5) through an annular frame (9), the detachable drill bit protecting device is connected with a drill bit part of the drilling machine device, and the detachable angle tilting device is connected with the magnetic drill frame at the outer side;
the drilling machine device comprises the following specific structures: the electric drill motor (17), the motor fixing plate (19) and the main shaft reducer (20) are connected through bolts and nuts, the bottom end of the main shaft reducer (20) extends out of the main shaft (32) of the drilling machine, and the main shaft (32) of the drilling machine is connected with the drill bit (22);
the Z-axis moving device has the specific structure that: the two lead screws (14) and the two feed screws (15) are alternately connected to the shell of the main shaft reducer 20 at the lower half part, and the upper ends of the lead screws (14) and the feed screws (15) penetrate through the baffle A (12) and the baffle B (13) to be fixed on the upper sliding block (2); the upper sliding block (2) is buckled in a sliding groove on the side surface of the upper guide rail (3), the upper guide rail (3) is connected with the frame through an upper guide rail supporting plate B (66) to keep the height unchanged, so that the upper sliding block (2) and a lead screw (14) connected with the upper sliding block are kept unchanged in height with a feed screw (15), when the lead screw (14) rotates in a lead screw sleeve (16) outside a main shaft reducer, the main shaft reducer (20) is enabled to ascend or descend, the main shaft reducer (20) ascends or descends and simultaneously drives a lower sliding block (40) fixedly connected with the main shaft reducer (20), the lower sliding block (40) is buckled in the sliding groove on the side surface of the lower guide rail (21), the lower guide rail (21) correspondingly moves up and down, two ends of the lower guide rail (21) are embedded in annular grooves of an annular frame (9), the annular frame (9) is further driven to move up and down, 3 outer claws (73) extend out of the outer side of the annular frame (9), the upper sliding block (20) is driven to ascend or descend in the grooves of the stand (5), and the lower sliding block (14) is fixedly connected with the feed screw (15) and the feed screw (11) are respectively meshed with a small gear (11) and a small baffle (11) respectively; the four reduction pinions (11) are respectively fixedly connected with the screw rod (14) and the feed beam (15), the sun gear (57) is driven to rotate by the Z-axis motor (58) through the planetary reducer (59), the planetary reducer (59) uses planetary gears to reduce the rotating speed, the planetary reducer (59) outputs the rotating speed through the sun gear (57), and 4 small convex columns (60) are arranged on the outer shell of the planetary reducer (59) to play a role of fixing the Z-axis motor (58);
the planar polar coordinate moving device has the specific structure that: the device is divided into a polar coordinate rho direction moving mechanism and a polar coordinate theta direction moving mechanism;
the polar coordinate rho direction moving mechanism comprises: the upper sliding block (2) and the lower sliding block (40) slide on the upper guide rail (3) and the lower guide rail (21) respectively through the rotation of the rho motor (23), a baffle A (12) and a baffle B (13) in the Z-axis moving device are fixedly connected with the upper sliding block (2), the top ends of a lead screw (14) and a light bar (15) are connected with the upper sliding block (2), sliding grooves are formed on two side surfaces of the upper sliding block (2), the sliding grooves of the upper sliding block (2) are buckled in the sliding grooves on the side surfaces of the upper guide rail (3), two synchronous upper guide rail lead screws (54) penetrate through the center of the upper sliding block (2), the upper sliding block (2) moves in the polar coordinate rho direction through the rotation of the upper guide rail lead screws (54), two ends of the two synchronous upper guide rail lead screws (54) are connected with an upper guide rail lead screw driving gear A (33) and an upper guide rail driving gear B (36) respectively fixed on the two upper guide rail lead screws (54) near the whole center of the equipment, the upper guide rail lead screw driving gear A (35) is meshed with the middle lead screw driving gear A (35) at the other end of the middle lead screw driving gear (35), the upper transmission bevel gear A (34) is meshed with the upper transmission bevel gear B (68) on the rho motor shaft (61) for rotation, the bottom of the shell of the main shaft reducer (20) in the drilling machine device is connected with the lower slide block (40) through a bolt, a hole is dug in the center of the lower slide block (40), the main shaft (32) of the drilling machine directly passes through the lower slide block (40) from the hole, sliding grooves are formed in the two side surfaces of the lower slide block (40), the sliding grooves on the side surfaces of the lower slide block (40) are buckled in the sliding grooves on the side surfaces of the lower guide rail (21), two synchronous lower guide rail lead screws (38) penetrate through the center of the lower slide block (40), the lower slide block (40) moves in the polar coordinate rho direction through the rotation of the lower guide rail lead screws (38), the two ends of the two synchronous lower guide rail lead screws (38) are connected with the lower guide rail (21), one end of each lower guide rail lead screw (38) is near the whole center of the device, one lower guide rail lead screw transmission gear A (67) and the lower guide rail transmission gear B (72) are respectively fixed on the two lower guide rail lead screws (38), the lower guide rail lead screw transmission gear A (67) and the lower guide rail transmission gear B (71) are meshed with the lower guide rail transmission lead screw (71) at the other end of the middle lead screw, the lower transmission bevel gear A (69) is meshed with the lower transmission bevel gear B (70) on the rho motor linkage long spline (27) for rotation, the upper sliding block (2) and the lower sliding block (40) are driven by the same rho motor (23), the upper sliding block (2) and the lower sliding block (40) are linked, so that the upper sliding block (2) and the lower sliding block (40) synchronously move in the polar coordinate rho direction, the rho motor (23) is fixed through the rho motor support frame (4), the upper end of the rho motor support frame (4) is fixed on the upper guide rail (3), the lower end of the rho motor support frame (4) is fixed on the lower guide rail (21) through the rho motor support frame support column (43), the lower end of the rho motor support frame (4) is in a sleeve design and sleeved on the rho motor support frame support column (43), and the rho motor (23) is driven by the rho motor linkage long spline (27);
the polar coordinate theta direction moving mechanism has the specific structure that: the upper guide rail end gear (56) and the lower guide rail end gear (55) on the upper guide rail (3) and the lower guide rail (21) are respectively meshed with an upper frame groove internal gear (42) and an annular frame groove internal gear (45) in the annular grooves of the upper frame (1) and the annular frame (9) to finish theta-direction movement, the upper guide rail end gear (56) at the end of the upper guide rail (3) is meshed with an upper frame groove internal gear (42) in the annular groove of the upper frame (1), an upper frame large groove (62) is arranged in the upper frame (1), the upper guide rail (3) and an upper guide rail supporting plate B (66) are clamped in the upper frame large groove (62), the upper guide rail supporting plate B (66) and the upper guide rail supporting plate A (28) are fixedly connected together through bolts, the upper guide rail supporting plate A (28) penetrates through the frame, a rotating pair is formed between the upper surfaces of the upper guide rail A (28) and the upper frame (1) through a thrust bearing (29), the upper guide rail A (28) and the upper guide rail B (66) can be partially vertically meshed with the upper frame groove internal gear (42), the upper guide rail supporting plate B (62) is meshed with the upper guide rail supporting plate (3) in the middle part of the upper frame small groove (42), the lower half part is a lower guide rail end gear (55) at the tail end of a lower guide rail (21) and is meshed with an annular frame groove internal gear (45) in an annular frame (9), wherein 3 outer slide block claws (73) extend out of the outer side of the annular frame (9) and are matched with grooves in a stand column (5), the annular frame (9) is also provided with an annular frame large groove (64) which is the same as the upper half part, two ends of the lower guide rail (21) are clamped in the annular frame large groove (64), the lower guide rail (21) can slide in the annular frame large groove (64) during rotation, an annular frame small groove (65) is also arranged at the middle part of the annular frame large groove (64), the annular frame small groove (65) is internally provided with the annular frame internal gear (45) which is meshed with a lower guide rail end gear (55) at the tail end of the lower guide rail (21), an upper guide rail end gear (56) and the lower guide rail end gear (55) are driven by a theta motor (24), the theta motor (24) is fixed by a theta motor support stand (6) and a theta motor support stand column (25), the upper end of the theta motor (24) is a motor support stand (6) is fixed on the upper end of the motor support stand (6) and the lower guide rail (25) is fixed on the lower support stand (6) by the motor support stand (25), and a theta motor is used below the theta motor (24) to drive a lower guide rail tail end gear (55) by using a theta motor linkage long spline (26), and the linkage of the upper guide rail (3) and the lower guide rail (21) enables the upper guide rail (3) and the lower guide rail (21) to synchronously rotate at the same time.
2. The magnetic drill large-aperture processing device according to claim 1, wherein the drill bit protecting device is divided into an upper half part and a lower half part, the upper half part of the drill bit protecting device comprises a drill bit protecting device upper plate (31), a circular ring part of the drill bit protecting device upper plate (31) is fixed at the upper end of a main shaft (32) of the drilling machine through threaded connection, the part extending out of the long plate is in a sleeve shape, and the lower half part is of a structure: the drill bit protection device comprises a drill bit protection device lower plate (10), wherein the part of an extending long plate of a drill bit protection device upper plate (31) is sleeved by the part of the extending long plate of the drill bit protection device lower plate (10), a bearing is placed at the ring of the lower half part, a rubber ring (39) is placed at the inner ring of the bearing, and a drill bit (22) penetrates through the center of the rubber ring (39).
3. The large-aperture processing device of the magnetic drill according to claim 1, wherein the specific structure of the angle tilting device is as follows: the top of the upper frame (1) is fixedly connected with a magnetic drill connecting plate (52), the upper surface of the magnetic drill connecting plate (52) is fixedly connected with a telescopic sleeve plate (50), the tail end of the telescopic sleeve plate (50) is hinged with 2 hinging sleeve rings (47), 2 hinging sleeve rings (47) are sleeved on two upright posts on one side of an angle tilting frame (46), a telescopic inserting plate (51) is connected with the telescopic sleeve plate (50) in a sleeve form, the tail end of the telescopic inserting plate (51) is also hinged with 2 hinging sleeve rings (47), 2 hinging sleeve rings (47) are arranged on two upright posts on the other side of the angle tilting frame (46), the rear side of the hinging sleeve rings (47) is provided with a fastening hand wheel (48), and the hinging sleeve rings (47) move up and down on the upright posts (53) of the angle tilting frame so as to adjust the tilting angle of the magnetic drill.
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| CN202210103210.8A CN114939690B (en) | 2022-01-27 | 2022-01-27 | Magnetic drill large-aperture processing device |
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| CN202210103210.8A CN114939690B (en) | 2022-01-27 | 2022-01-27 | Magnetic drill large-aperture processing device |
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| CN114939690B true CN114939690B (en) | 2024-02-27 |
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| CN106493572A (en) * | 2016-12-28 | 2017-03-15 | 渤海造船厂集团有限公司 | Circular hole and annular circumference plane surface processing method |
| KR101934987B1 (en) * | 2017-09-27 | 2019-03-18 | 백호이엔지 주식회사 | Drilling and tapping machines |
| CN212822885U (en) * | 2020-06-04 | 2021-03-30 | 林州市昊远汽车配件有限公司 | Novel magnetic drill |
| CN112658706A (en) * | 2021-01-15 | 2021-04-16 | 华北理工大学 | Three-freedom-degree machine tool |
| CN113199235A (en) * | 2021-04-30 | 2021-08-03 | 西安理工大学 | Mechanism is disassembled to aircraft tire bolt with moment of torsion control function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130287508A1 (en) * | 2012-04-25 | 2013-10-31 | Milwaukee Electric Tool Corporation | Magnetic drill press |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4604006A (en) * | 1981-11-20 | 1986-08-05 | Nitto Kohki Co., Ltd. | Drilling machine having electromagnetic base |
| CN102019445A (en) * | 2009-09-17 | 2011-04-20 | 吴中宇 | Novel numerical control polar coordinates drilling machine mechanism |
| CN205798515U (en) * | 2016-07-15 | 2016-12-14 | 中冶建工集团有限公司 | The auxiliary device of inclined hole at the generator unit stator that drills and reams |
| CN106493572A (en) * | 2016-12-28 | 2017-03-15 | 渤海造船厂集团有限公司 | Circular hole and annular circumference plane surface processing method |
| KR101934987B1 (en) * | 2017-09-27 | 2019-03-18 | 백호이엔지 주식회사 | Drilling and tapping machines |
| CN212822885U (en) * | 2020-06-04 | 2021-03-30 | 林州市昊远汽车配件有限公司 | Novel magnetic drill |
| CN112658706A (en) * | 2021-01-15 | 2021-04-16 | 华北理工大学 | Three-freedom-degree machine tool |
| CN113199235A (en) * | 2021-04-30 | 2021-08-03 | 西安理工大学 | Mechanism is disassembled to aircraft tire bolt with moment of torsion control function |
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