CN111203566B - Machine part spiral perforating device - Google Patents

Machine part spiral perforating device Download PDF

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Publication number
CN111203566B
CN111203566B CN202010244317.5A CN202010244317A CN111203566B CN 111203566 B CN111203566 B CN 111203566B CN 202010244317 A CN202010244317 A CN 202010244317A CN 111203566 B CN111203566 B CN 111203566B
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China
Prior art keywords
friction wheel
plate
fixed
cylinder
friction
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CN202010244317.5A
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Chinese (zh)
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CN111203566A (en
Inventor
李栋
靳刚
刘浩
李占杰
戚厚军
胡高峰
崔良玉
韩建鑫
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Tianjin University of Technology and Education China Vocational Training Instructor Training Center
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Tianjin University of Technology and Education China Vocational Training Instructor Training Center
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Priority to CN202010244317.5A priority Critical patent/CN111203566B/en
Publication of CN111203566A publication Critical patent/CN111203566A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
    • 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
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • 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
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting

Abstract

The invention provides a spiral perforating device for mechanical parts, which effectively solves the problems that in the prior art, spirally distributed holes are not easy to punch on shaft parts, the shaft parts need to be positioned continuously, and the precision is poor; the technical scheme includes that the device comprises a rack, clamps are arranged on left and right side plates of the rack, the clamps can drive a workpiece to rotate, a flat plate is arranged on the lower side of the workpiece, U-shaped plates are arranged at the upper ends of the flat plates, a rotating shaft is arranged on one side of each U-shaped plate close to the workpiece, a first friction wheel is fixed on each rotating shaft, a second friction wheel is arranged on one side of each first friction wheel, and the first friction wheels can drive the second friction wheels to rotate; a screw rod is arranged on the rack, a hollow pipe is sleeved on the screw rod, a third friction wheel is arranged on the hollow pipe, a small friction wheel is arranged between the second friction wheel and the third friction wheel, and the third friction wheel can rotate to drive the hollow pipe to rotate, so that the hollow pipe drives the U-shaped plate to move left and right along the screw rod; the upper side of the workpiece is provided with a horizontal supporting plate, and a drilling machine capable of moving up and down is installed on the supporting plate.

Description

Machine part spiral perforating device
Technical Field
The invention relates to the technical field of machining, in particular to a spiral punching device for a mechanical part.
Background
At present, the helical blades are widely applied to human production and life, such as material conveying, compression and mixing, and also used as a crushing mechanism of a harvester and a crusher in agricultural production and the like.
In the prior art, the installation of the fixed helical blade does not need too high precision under most conditions, most of the helical blade adopts two forms of welding and screw fixation, and the two methods have respective advantages and disadvantages: the welding is convenient and quick, pre-punching is not needed, the accuracy is larger at will, the accuracy cannot be guaranteed, the welding is easy to deform the helical blade, so that stress concentration is caused, once the helical blade is damaged, the middle main shaft and the helical blade need to be scrapped together, and the resource waste is larger; the fix with screw needs punch in advance, but most punching machine still traditional rig, so when repeatedly punching and repeated location, can not guarantee that a plurality of holes are in on same root helix, cause helical blade's helical pitch unbalance, influence product later stage helical blade's installation, very easily cause helical blade's deformation.
At present, in the process of drilling along a spiral line, positioning is usually performed in advance, the positions of all holes are marked, and then spiral drilling is realized by adopting a conventional drilling mode, but the mode has low efficiency and can not ensure precision, shaft parts need to be positioned continuously in the process of drilling, and the drill bit is easy to be inclined or even damaged due to artificial influence; for the installation and the punching of the helical blades with different lead lengths, the punching position needs to be recalculated and determined, so that the efficiency is low, the precision is poor, the positioning and the fixing are needed to be carried out repeatedly, and the operation is complex and extremely inconvenient.
To sum up, in the prior art, when punching on the shaft part to be installed with helical blade, the positioning accuracy of the hole is poor, the punching efficiency is low, the process is cumbersome, the drill bit is easy to damage, and the operation is inconvenient.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the spiral punching device for the mechanical part, and the spiral punching device effectively solves the problems that in the prior art, spirally distributed holes are not easy to punch on shaft parts, the shaft parts need to be positioned continuously, and the precision is poor.
The technical scheme includes that the device comprises a rack, clamps for clamping shaft workpieces are arranged on left and right side plates of the rack, the clamps can drive the workpieces to rotate, a horizontal flat plate capable of moving left and right is arranged on the lower side of each workpiece, two U-shaped plates with upward openings are arranged at the upper end of the flat plate, the two U-shaped plates are symmetrical front and back, the two U-shaped plates can move in opposite directions or back, a rotating shaft parallel to each workpiece is arranged on one side of each U-shaped plate close to each workpiece, the rotating shaft is rotationally fixed on the U-shaped plates, a first friction wheel coaxial with the rotating shaft is fixed on the rotating shaft, each workpiece can drive the first friction wheel to rotate, a conical second friction wheel is arranged on one side of each first friction wheel, a central shaft of each second friction wheel is rotationally fixed on the U-shaped plate, and each first; the rack is provided with screw rods which correspond to the U-shaped plates one by one, the screw rods are sleeved with hollow pipes which can drive the U-shaped plates to move left and right, tapered third friction wheels are fixed on the hollow pipes, small friction wheels are arranged between the second friction wheels and the third friction wheels, the second friction wheels drive the third friction wheels to rotate through the small friction wheels, and the third friction wheels can drive the hollow pipes to rotate so that the hollow pipes drive the U-shaped plates to move left and right along the screw rods; the upper side of the workpiece is provided with a horizontal supporting plate, and a drilling machine capable of moving up and down is installed on the supporting plate.
The punching machine is ingenious in structure, can punch holes on shaft parts along a spiral line, does not need to be measured and positioned in advance, can ensure punching precision, and is convenient to operate.
Drawings
FIG. 1 is a front cross-sectional view of the present invention.
Fig. 2 is a front view of a portion of the core components of fig. 1.
Fig. 3 is a side sectional view of the present invention.
FIG. 4 is a schematic view of the clamp of the present invention clamping a workpiece.
Fig. 5 is a top sectional view of the present invention.
FIG. 6 is a schematic view of the mechanism of the U-shaped plate and its upper part of the present invention.
Fig. 7 is a partial enlarged view of a portion a in fig. 5.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the invention comprises a frame 1, clamps for clamping shaft-type workpieces are arranged on left and right side plates of the frame 1, the clamps can drive the workpieces to rotate, a horizontal flat plate 2 capable of moving left and right is arranged on the lower side of the workpieces, two U-shaped plates 3 with upward openings are arranged at the upper end of the flat plate 2, the two U-shaped plates 3 are symmetrical front and back, the two U-shaped plates 3 can move oppositely or backwards, a rotating shaft 4 parallel to the workpieces is arranged on one side of each U-shaped plate 3 close to the workpieces, the rotating shaft 4 is rotationally fixed on the U-shaped plate 3, a first friction wheel 5 coaxial with the rotating shaft 4 is fixed on the rotating shaft 4, the workpieces can drive the first friction wheel 5 to rotate, a second conical friction wheel 6 is arranged on one side of the first friction wheel 5, the central shaft of the second friction wheel 6 is rotationally fixed on the U-shaped plate 3, and the first friction; the rack 1 is provided with screw rods 7 which correspond to the U-shaped plates 3 one by one, the screw rods 7 are sleeved with hollow pipes 8 which can drive the U-shaped plates 3 to move left and right, tapered third friction wheels 9 are fixed on the hollow pipes 8, small friction wheels are arranged between the second friction wheels 6 and the third friction wheels 9, the second friction wheels 6 drive the third friction wheels 9 to rotate through the small friction wheels, and the third friction wheels 9 can drive the hollow pipes 8 to rotate so that the hollow pipes 8 drive the U-shaped plates 3 to move left and right along the screw rods 7; the upper side of the workpiece is provided with a horizontal support plate 10, and a drilling machine 11 capable of moving up and down is arranged on the support plate 10.
In order to change the transmission ratio between the second friction wheel 6 and the third friction wheel 9 and to realize the punching along the spiral lines with different lead lengths, the small friction wheel can move back and forth in the interval between the second friction wheel 6 and the third friction wheel 9 and is always in contact with the second friction wheel 6 and the third friction wheel 9, the diameter of the left end of the second friction wheel 6 is larger than that of the right end of the second friction wheel 6, the diameter of the right end of the third friction wheel 9 is larger than that of the left end of the third friction wheel 9, a stud 12 parallel to the axis of the small friction wheel is fixed on the U-shaped plate 3 in a rotating mode, a nut 13 is sleeved on the stud 12, a vertical connecting plate 14 is fixed on the lower side of the nut 13, the small friction wheel is hinged to the lower end of the connecting plate 14, and the stud 12 rotates to drive the nut 13 to move back and forth along the connecting.
In order to install the hollow tube 8, two ends of the hollow tube 8 penetrate through the corresponding side plates of the U-shaped plate 3 and are arranged outside the U-shaped plate 3, a bulge is arranged at the end part of the hollow tube 8, and a bearing is arranged between the hollow tube 8 and the U-shaped plate 3.
In order to realize the left-right movement of the flat plate 2 and reduce the friction force, a plurality of horizontal guide rods 17 are fixed at the lower end of the frame 1, a sliding cylinder 18 capable of moving left and right along the guide rods 17 is sleeved on each guide rod 17, a linear bearing is arranged between each sliding cylinder 18 and each guide rod 17, and each sliding cylinder 18 and the flat plate 2 are fixed together.
In order to realize that the first friction wheel 5 drives the second friction wheel 6 to rotate, a first gear 15 coaxial with the first friction wheel is fixed at the end part of the rotating shaft 4, second gears 16 coaxial with the second friction wheel and corresponding to the first gears 15 one by one are fixed at two ends of the second friction wheel 6, and the first gears 15 are meshed with the second gears 16.
To prevent interference, the first friction wheel 5 has a diameter greater than the diameter of the first gear 15.
In order to realize that the two U-shaped plates 3 can move in the front and back directions in opposite directions or back directions, the upper end surface of the flat plate 2 is provided with a groove in the front and back directions, a first stud 19 capable of rotating is installed in the groove, two ends of the first stud 19 are respectively provided with a slider 20, the first stud 19 is in threaded connection with the slider 20, the upper end of the slider 20 is fixed with the corresponding U-shaped plate 3, and the two U-shaped plates 3 can move in opposite directions or back directions by screwing the bolts.
In order to clamp a workpiece, the clamp comprises a first cylinder 21 horizontally penetrating through a side plate of a rack 1, the first cylinder 21 and the side plate of the rack 1 are rotationally fixed, a cylindrical shell 22 coaxial with the cylinder is fixed at one end of the cylinder close to the center of the rack 1, the workpiece horizontally penetrates through the shell 22, a first bevel gear 23 coaxial with the workpiece is arranged in the shell 22, a plurality of second bevel gears 24 which are uniformly distributed on the periphery and meshed with the first bevel gears 23 are arranged on the side plate of the shell 22, the second bevel gears 24 can drive the first bevel gears 23 to rotate, a plurality of sliding grooves which are formed in the shell 22 close to the center of the rack 1 along the radial direction of the shell are arranged on the side plate of the shell 22, movable clamping jaws 25 capable of sliding along the sliding grooves are arranged in the sliding grooves, the end face of the first bevel gear 23 close to the center of the rack 1 and the clamping jaws 25 are meshed through plane threads, and the.
In order to prevent the jaws 25 from loosening during the rotation of the workpiece, a second cylinder 26 coaxial with the first bevel gear 23 is fixed on one side of the first bevel gear 23 away from the center of the machine frame 1, the second cylinder 26 can rotate actively, the central shaft of the second bevel gear 24 is fixed on a side plate of the housing 22 in a rotating manner, the other end of the central shaft penetrates through the side plate of the housing 22 and is arranged outside the housing 22, an annular protrusion is arranged at one end of the central shaft arranged outside the housing 22, a threaded through hole is formed in the central shaft along the axial direction of the central shaft, a compression screw 27 is screwed in the threaded through hole, the compression screw 27 is screwed, and when the compression screw 27 is tightly pressed with the second cylinder.
In order to realize the active rotation of the second cylinder 26, when the precision of the workpiece is not high, the left end of the second cylinder 26 extends out of the first cylinder 21, an annular plate 28 is fixed at one end of the second cylinder 26 extending out of the first cylinder 21, a handle 29 is mounted on the annular plate 28, and the second cylinder 26 can be driven to rotate by rotating the handle 29.
In order to realize the active rotation of the second cylinder 26 and the higher precision requirement of the workpiece, a rotatable gear is arranged on the left side of the left side plate of the rack 1, a first motor 30 is connected to the gear, the first motor 30 is fixed on the rack 1, the first motor 30 is a servo motor, the left end of the second cylinder 26 extends out of the first cylinder 21, an annular plate 28 is fixed at one end of the second cylinder 26 extending out of the first cylinder 21, gear teeth engaged with the gear are arranged on the outer circumferential surface of the annular plate 28, and the annular plate 28 is driven to rotate by the first motor 30 through the gear.
In order to install the drilling machine 11, the support plate 10 and the flat plate 2 are fixed together through a plurality of vertical upright posts 31, the lower end of the support plate 10 is provided with a movable plate 32 parallel to the support plate, the drilling machine 11 is fixed at the lower end of the movable plate 32, the upper end of the support plate 10 is fixed with a vertical hydraulic cylinder 33, the lower end of a piston rod on the hydraulic cylinder 33 penetrates through the support plate 10 and is fixed with the movable plate 32, and the lower end of the piston rod is fixed with the drilling machine 11.
In order to improve the precision and realize the automatic operation, the lower end of the support plate 10 is provided with a first button 34 for controlling the first motor 30, when the movable plate 32 moves upwards and presses the first button 34, the first motor 30 rotates a specific angle, the upper end of the support plate 10 is provided with a second motor 35, the output shaft of the second motor 35 is fixed with a cam, the upper end of the support plate 10 is provided with a second button 36, the second button 36 controls the opening or closing of the hydraulic cylinder 33, and when the cam presses the second button 36 downwards, the piston rod in the hydraulic cylinder 33 reciprocates up and down once to realize the downward drilling.
In order to prevent the workpiece from being deformed by compression and prevent the drill from deviating during drilling, the left end and the right end of the flat plate 2 are respectively provided with a supporting block 37, the upper end of each supporting block 37 is V-shaped, the workpiece is arranged on the upper end surface of each supporting block 37, a plurality of pits are formed in the upper end surface of each supporting block 37, small balls are placed in the pits, a vertical second stud 38 is arranged below each supporting block 37, threaded holes corresponding to the studs are formed in the flat plate 2 and the supporting blocks 37, and the supporting blocks 37 can be controlled to ascend or descend by screwing the second studs 38.
It is worth noting that bearings are arranged between the studs 12 and the side plates of the U-shaped plate 3; a bearing is arranged between the first cylinder 21 and the side plate of the frame 1, and a bearing is arranged between the second cylinder 26 and the first cylinder 21; when the compression screw 27 on the second bevel gear 24 compresses the second cylinder 26, the housing 22 and the second cylinder 26 are fixed, that is, the first bevel gear 23 and the housing 22 are relatively fixed, at this time, the jaws 25 can firmly clamp the workpiece, when the jaws 25 contact the workpiece, the second bevel gear 24 can be screwed for fine adjustment, then the compression screw 27 is screwed to fix the second cylinder 26 and the housing 22, and the first motor 30 and the second motor 35 are both servo motors; when the drill is used, a main power switch can be arranged for facilitating safe drilling, when the main power switch is switched on, the drill 11 runs all the time, the second motor 35 drives the cam to rotate all the time, when the cam presses the second button 36 downwards once, the piston rod reciprocates once, when the piston rod drives the connecting plate 14 to move upwards and restore the original shape, the movable plate 32 contacts the first button 34, and at the moment, the first motor 30 stops after rotating a specific angle.
In the initial state, the compression screw 27 is not in contact with the second cylinder 26, the claw 25 is arranged on the side of the chute far away from the center of the shell 22, and when in use, the end of the workpiece is first placed in the housing 22, while one hand holds the annular plate 28 and the other hand rotates the housing 22, while the jaws 25 are moved toward the middle by the flat threads on the first bevel gear 23 until the jaws 25 clamp the workpiece, then the second bevel gear 24 is appropriately screwed, when both ends of the workpiece are fixed by the clamp, the compression screw 27 is screwed so that the lower end of the compression screw 27 contacts and compresses the second cylinder 26, the housing 22 and the first bevel gear 23 are fixed into a whole, the first stud 19 is screwed so that the two U-shaped plates 3 are drawn together towards the middle and clamp the workpiece, and the second stud bolt 38 is screwed so that the upper end of the support block 37 contacts the workpiece, by which the drilling work can be performed.
When drilling, the main switch is turned on, at the moment, the drilling machine 11 starts to work, the first motor 30 is not moved, the second motor 35 drives the cam to rotate, when the cam presses the second button 36 downwards for one time, the piston rod does reciprocating motion for one time, namely, the hole is drilled for one time, when the piston rod moves upwards and returns to the original position, the movable plate 32 at the lower end of the piston rod touches the first button 34, at the moment, the first motor 30 drives the clamp to rotate for a certain angle through the gear and stops until the cam presses the second button 36 again, meanwhile, the clamp drives the first friction wheel 5 to rotate through the workpiece, the first friction wheel 5 drives the first gear 15 to rotate, the first gear 15 drives the second friction wheel 6 to rotate through the second gear 16, the second friction wheel 6 drives the third friction wheel 9 to rotate through the small friction wheel, the third friction wheel 9 drives the hollow tube 8 to rotate, the hollow tube 8 rotates to drive the hollow tube 8 to drive the, the U-shaped plate 3 drives the flat plate 2 to move rightwards through the sliding block, and when the cam presses the second button 36 again, the drilling machine 11 drills downwards again, and the process is repeated in a circulating mode, so that the drilling along the spiral line is achieved.
The invention has the outstanding advantages and remarkable progress that:
1. according to the invention, power is transmitted to the hollow pipe 8 from a workpiece, then the flat plate 2 is moved leftwards and rightwards by utilizing a thread structure, and the traditional three-jaw chuck is reformed, so that the three-jaw chuck can adapt to workpieces with different diameters, and not only can the machining with low precision requirement be realized, but also the punching of the workpiece with high precision can be realized.
2. In the invention, during the punching of a single part, the transmission ratio of the second friction wheel 6 and the third friction wheel 9 is kept constant, so that holes machined on a workpiece are positioned on the same spiral line no matter the size of the interval between the holes, and the invention is suitable for machining parts in small workshops and with low requirements, is simple and practical and has outstanding effect.
3. According to the invention, the conical second friction wheel 6, the conical third friction wheel 9 and the small friction wheel capable of moving back and forth between the conical second friction wheel and the conical third friction wheel are designed, so that the change of the transmission ratio of the second friction wheel 6 to the third friction wheel 9 is realized, the requirement of punching along spiral lines with different lead lengths is realized, and the application range is wider.
4. Compared with the traditional spiral drilling, the drilling machine disclosed by the invention does not need repeated positioning and continuous calibration of the position of the drill bit, the damage of the drill bit is effectively avoided under the condition of ensuring the drilling direction of the drill bit, and the drilling efficiency and the drilling precision can be effectively improved under the same environment on the basis of the prior art.
The punching machine is ingenious in structure, can punch holes on shaft parts along a spiral line, does not need to be measured and positioned in advance, can ensure punching precision, and is convenient to operate.

Claims (10)

1. A spiral punching device for mechanical parts is characterized by comprising a rack (1), clamps for clamping shaft type workpieces are arranged on left and right side plates of the rack (1), the clamps can drive the workpieces to rotate, a horizontal flat plate (2) capable of moving left and right is arranged on the lower side of each workpiece, two U-shaped plates (3) with upward openings are arranged at the upper ends of the flat plates (2), the two U-shaped plates (3) are symmetrical front and back, the two U-shaped plates (3) can move oppositely or backwards, a rotating shaft (4) parallel to the workpieces is arranged on one side, close to each workpiece, of each U-shaped plate (3), the rotating shaft (4) is rotationally fixed on the U-shaped plate (3), a first friction wheel (5) coaxial with the rotating shaft is fixed on the rotating shaft (4), the workpieces can drive the first friction wheel (5) to rotate, a conical second friction wheel (6) is arranged on one side of the first friction wheel (5), a central shaft of the second friction wheel (6) is rotationally fixed on the, the first friction wheel (5) can drive the second friction wheel (6) to rotate; the rack (1) is provided with screw rods (7) which correspond to the U-shaped plates (3) one by one, the screw rods (7) are sleeved with hollow pipes (8) which can drive the U-shaped plates (3) to move left and right, tapered third friction wheels (9) are fixed on the hollow pipes (8), small friction wheels are arranged between the second friction wheels (6) and the third friction wheels (9), the second friction wheels (6) drive the third friction wheels (9) to rotate through the small friction wheels, and the third friction wheels (9) can drive the hollow pipes (8) to rotate so that the hollow pipes (8) drive the U-shaped plates (3) to move left and right along the screw rods (7); the upper side of the workpiece is provided with a horizontal supporting plate (10), and a drilling machine (11) capable of moving up and down is arranged on the supporting plate (10).
2. The spiral perforating device for machine parts according to claim 1, the small friction wheel can move back and forth in the interval between the second friction wheel (6) and the third friction wheel (9), and little friction pulley is all the time with second friction pulley (6), third friction pulley (9) contact, the left end diameter of second friction pulley (6) is greater than the right-hand member diameter, the right-hand member diameter of third friction pulley (9) is greater than the left end diameter, it is fixed with double-screw bolt (12) parallel with little friction pulley axis to rotate on U-shaped board (3), the cover is equipped with nut (13) on double-screw bolt (12), nut (13) downside is fixed with vertical connecting plate (14), little friction pulley articulates at connecting plate (14) lower extreme, double-screw bolt (12) rotate drive nut (13) make connecting plate (14) of its below drive little friction pulley reciprocating motion along its reciprocating motion.
3. The spiral perforating device for mechanical parts according to claim 1, characterized in that a plurality of horizontal guide rods (17) are fixed at the lower end of the frame (1), a sliding cylinder (18) capable of moving left and right along the guide rods (17) is sleeved on the guide rods (17), a linear bearing is installed between the sliding cylinder (18) and the guide rods (17), and the sliding cylinder (18) and the flat plate (2) are fixed together.
4. The spiral perforating device for machine parts according to claim 1, characterized in that a first gear (15) coaxial with the rotating shaft (4) is fixed at the end of the rotating shaft, a second gear (16) coaxial with the second friction wheel (6) and corresponding to the first gear (15) in a one-to-one manner is fixed at the two ends of the second friction wheel, and the first gear (15) is meshed with the second gear (16).
5. The spiral perforating device for mechanical parts according to claim 1, characterized in that a groove is formed in the upper end surface of the flat plate (2) along the front-back direction, a first rotatable stud (19) is installed in the groove, sliders (20) are arranged at both ends of the first stud (19), the first stud (19) is in threaded connection with the sliders (20), the upper end of each slider (20) is fixed with the corresponding U-shaped plate (3), and the two U-shaped plates (3) can move in the front-back direction or in the back-back direction by screwing the bolts.
6. The spiral perforating device for the mechanical part according to claim 1, characterized in that the fixture comprises a first cylinder (21) horizontally penetrating through a side plate of the frame (1), the first cylinder (21) is rotationally fixed with the side plate of the frame (1), a cylindrical housing (22) coaxial with the cylinder is fixed at one end of the cylinder close to the center of the frame (1), the workpiece horizontally penetrates through the housing (22), a first bevel gear (23) coaxial with the workpiece is arranged in the housing (22), a plurality of second bevel gears (24) which are circumferentially and uniformly distributed and meshed with the first bevel gear (23) are arranged on the side plate of the housing (22), the first bevel gear (23) can be driven to rotate by the second bevel gears (24), a plurality of sliding grooves which are radially formed on the side plate of the housing (22) close to the center of the frame (1), movable jaws (25) capable of sliding along the sliding grooves are arranged in the sliding grooves, and the end faces of the first bevel gears (23) close to the center of the frame (1) are meshed with the jaws (25, the rotation of the first bevel gear (23) can drive the clamping jaws (25) to approach the center of the shell (22) at the same time until the workpiece is fixed.
7. The spiral perforating device for the machine part according to claim 6, characterized in that a second cylinder (26) coaxial with the first bevel gear (23) is fixed on one side of the first bevel gear (23) away from the center of the frame (1), the second cylinder (26) can rotate actively, a central shaft of the second bevel gear (24) is fixed on a side plate of the housing (22) in a rotating manner, the other end of the central shaft penetrates through the side plate of the housing (22) and is arranged outside the housing (22), one end of the central shaft arranged outside the housing (22) is provided with an annular protrusion, a threaded through hole is formed in the central shaft along the axial direction of the central shaft, a compression screw (27) is screwed into the threaded through hole, the compression screw (27) is screwed, and when the compression screw (27) is tightly pressed against the second cylinder (26), the housing (22) and the first bevel gear (.
8. The spiral perforating device for mechanical parts, according to claim 1, characterized in that a gear capable of rotating is arranged on the left side of the left side plate of the rack (1), a first motor (30) is connected to the gear, the first motor (30) is fixed to the rack (1), the first motor (30) is a servo motor, the left end of the second cylinder (26) extends out of the first cylinder (21), an annular plate (28) is fixed to one end of the second cylinder (26) extending out of the first cylinder (21), gear teeth meshed with the gear are arranged on the outer circumferential surface of the annular plate (28), and the first motor (30) drives the annular plate (28) to rotate through the gear.
9. The spiral perforating device for machine parts according to claim 1, characterized in that a first button (34) for controlling the first motor (30) is installed at the lower end of the supporting plate (10), when the movable plate (32) moves upward and presses the first button (34), the first motor (30) rotates a certain angle, a second motor (35) is installed at the upper end of the supporting plate (10), a cam is fixed on an output shaft of the second motor (35), a second button (36) is installed at the upper end of the supporting plate (10), the second button (36) controls the opening or closing of the hydraulic cylinder (33), and when the cam presses the second button (36) downward, a piston rod in the hydraulic cylinder (33) reciprocates up and down once to drill downward.
10. The spiral perforating device for machine parts according to claim 1, characterized in that a support block (37) is arranged at each of the left and right ends of the flat plate (2), the upper end surface of the support block (37) is V-shaped, the workpiece is placed on the upper end surface of the support block (37), a plurality of pits are formed in the upper end surface of the support block (37), the small balls are placed in the pits, a second vertical stud (38) is arranged below the support block (37), threaded holes corresponding to the studs are formed in the flat plate (2) and the support plate (10), and the support block (37) can be controlled to ascend or descend by screwing the second stud (38).
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CN113664241B (en) * 2021-08-27 2022-05-10 浙江机电职业技术学院 Automatic drilling device and using method
CN115070469B (en) * 2022-07-21 2022-11-01 烟台东星集团有限公司 Integrated platform for processing pin shaft
CN116214192A (en) * 2023-05-05 2023-06-06 江苏凯邦推进科技有限公司 Processing device and method for corrosion-resistant impeller chamber

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KR100359645B1 (en) * 2000-01-24 2002-11-04 김재덕 Spiral hole formation apparatus of spiral pipe
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Application publication date: 20200529

Assignee: TIANJIN HUIZHU PETROLEUM EQUIPMENT TECHNOLOGY Co.,Ltd.

Assignor: TIANJIN University OF TECHNOLOGY AND EDUCATION (CHINA VOCATIONAL TRAINING INSTRUCTOR TRAINING CENTER)

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Denomination of invention: A spiral drilling device for mechanical parts

Granted publication date: 20201023

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Record date: 20240412