WO2018082354A1 - Mécanisme de poinçonnage à diamètre de trépan variable - Google Patents

Mécanisme de poinçonnage à diamètre de trépan variable Download PDF

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Publication number
WO2018082354A1
WO2018082354A1 PCT/CN2017/094960 CN2017094960W WO2018082354A1 WO 2018082354 A1 WO2018082354 A1 WO 2018082354A1 CN 2017094960 W CN2017094960 W CN 2017094960W WO 2018082354 A1 WO2018082354 A1 WO 2018082354A1
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WO
WIPO (PCT)
Prior art keywords
shaft
drill bit
gear
support plate
motor
Prior art date
Application number
PCT/CN2017/094960
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English (en)
Chinese (zh)
Inventor
胡贵博
Original Assignee
胡贵博
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 胡贵博 filed Critical 胡贵博
Publication of WO2018082354A1 publication Critical patent/WO2018082354A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/26—Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor
    • 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
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/46—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously with variable speed ratio
    • B23Q5/48—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously with variable speed ratio by use of toothed gears

Definitions

  • the invention belongs to the field of punching technology, and in particular relates to a punching mechanism with a variable diameter of a drill bit.
  • drills of fixed diameter are often used for punching, and different drill holes are used for different punching holes.
  • the required drill bit has a large diameter and a heavy weight.
  • drilling a plurality of large-aperture holes at the same time it takes a lot of time to carry a plurality of large-diameter drill bits required. Physical strength and time, which are often intolerable, it is necessary to design a perforating mechanism with a variable diameter of the drill bit.
  • the present invention contemplates a perforating mechanism with a variable diameter of the drill bit to solve the above problems.
  • the present invention discloses a punching mechanism with a variable diameter of a drill bit, which is realized by the following technical solutions.
  • the utility model relates to a punching mechanism with variable diameter of a drill bit, which is characterized in that it comprises a motor support, a motor, a motor shaft, a first gear, a scroll spring, a first support plate, a second gear, a cylinder shaft, a cylinder shaft sleeve, Bushing support, inner shaft, second support plate, first spiral wall, centrifugal plate, second rotating wheel, second rotating shaft, second sliding block, drill pipe, drill bit, first chute, first blocking piece The second blocking piece and the inclined surface of the drill bit, wherein the motor is mounted on the motor support, the first gear is mounted on the motor through the motor shaft; the second gear is mounted on the cylinder shaft, the first gear meshes with the second gear, and the cylinder shaft passes through the cylinder
  • the shaft sleeve is mounted on the sleeve support; the first support plate is mounted on a top end of the cylinder shaft, the second support plate is mounted on the other end of the cylinder shaft and has a certain distance from the
  • the inner end of the scroll spring is mounted on one end of the inner shaft, and the outer end is mounted on the first support plate.
  • the centrifugal plate has a first chute.
  • the second rotating wheel shaft is mounted on the second rotating wheel
  • a second slider is mounted on the rotating shaft of the second rotating wheel
  • the drill bit is mounted on the second sliding block through the drill rod
  • the second rotating wheel is installed in the first spiral wall track
  • the second sliding block is slid in the first sliding slot
  • a second blocking piece and a first blocking piece are respectively installed at an inner starting end and an outer end of a spiral wall.
  • the drill bit is also machined with a drill bevel around the drill bit.
  • the outer end of the above-mentioned scroll spring is mounted on the first support plate by a spring block on.
  • the above-mentioned cylindrical shaft is mounted inside the cylindrical shaft sleeve through a bearing.
  • the above spring block has a groove.
  • the first support plate, the cylindrical shaft, the second gear and the second support plate form a rotating whole body, and the first spiral wall rotates with the second support plate, and the inner shaft and the centrifugal plate are fixed.
  • the inner shaft rotates with the rotation of the centrifugal plate about the inner shaft axis, and there is a scroll spring between the inner shaft and the cylinder shaft, and the rotational speed or phase difference between the inner shaft and the cylinder shaft is different, and the scroll spring will be Torsional compression;
  • the second rotation wheel will perform centrifugal spiral motion in the first spiral wall track, and the second rotation wheel will move from the inner beginning end to the outer end end of the first spiral wall
  • the second sliding block on the second rotating wheel cooperates with the first sliding slot of the centrifugal plate to drive the centrifugal plate to rotate around the axis of the cylindrical shaft; then the centrifugal plate drives the inner shaft to rotate, because the centrifugal plate
  • the movement of the wheel moves under the action of the first spiral wall and the centrifugal force, and the rotating wheel and the first spiral wall have relative movement, and the rotation of the centrifugal plate and the first spiral wall will produce a phase difference, so that the inner shaft and the inner shaft Phase difference, phase difference
  • the scroll spring is compressed and twisted, and the reaction force of the scroll spring suppresses the generation of the phase difference.
  • the suppression force of the scroll spring and the force generated by the centrifugal force of the rotating wheel of the centrifugal plate are balanced, the inner shaft is synchronized with the cylinder shaft. Rotate.
  • the scroll spring requires a large compression deformation to enable the inner shaft and the cylinder shaft to rotate under a large phase difference to achieve equilibrium; the compressed scroll spring releases energy when the cylinder shaft stops moving, and drives the inner shaft, a sliding slot and a first slider resetting the second rotating wheel;
  • the second rotor When the cylinder shaft is driven by the second gear, the second rotor will move relative to the first spiral wall track during the rotation with the rotation of the first spiral wall on the second support plate until the scroll spring generates
  • the force and the centrifugal force are basically offset.
  • the radial position of the second rotating wheel is fixed, the radial distance of the drill bit is fixed, and the hole of the corresponding diameter can be drilled; when the rotational speed of the cylindrical shaft is increased, the centrifugal force is increased, and the drill bit continues with the second rotating wheel.
  • the first spiral wall track moves relative to each other while the scroll spring compresses, and when compressed to counteract the force generated by the increased centrifugal force, the bit remains at a new radial position and a larger hole can be drilled.
  • the distance of the drill bit from the centerline of rotation varies with the speed of the shaft, and the different motor speeds correspond to the drillable diameter of the drill bit.
  • the second rotating wheel of the invention is subjected to centrifugal force, the force generated by the scroll spring to be transmitted through the centrifugal plate, and the reaction force exerted by the object drilled by the drill bit, and the balance is balanced before the drill bit can maintain a constant radial position.
  • Drilling a stable hole it is necessary to ensure as much as possible the force generated by the scroll spring and the opposite of the object being drilled
  • the force is on the same magnitude, so that the stability of the hole drilling process with different apertures can be maintained by adjusting the rotation speed, so the hardness of the material to be drilled cannot be very hard.
  • Figure 1 is a schematic view of the overall component distribution.
  • Figure 2 is a cross-sectional view showing the structure of the entire component.
  • Figure 3 is a schematic view of the installation of the centrifugal plate.
  • Figure 4 is a schematic view of the installation of the scroll spring.
  • Fig. 5 is a schematic view showing the installation of the sleeve bushing and the bushing support.
  • Figure 6 is a schematic view of the installation of the spring block.
  • Figure 7 is a schematic view of the first spiral wall installation.
  • Figure 8 is a schematic view of the mounting of the drill bit.
  • the label name 1, motor support, 2, motor, 3, motor shaft, 4, first gear, 5, scroll spring, 6, the first support plate, 7, the second gear, 8, the cylinder shaft, 13 , barrel shaft sleeve, 14, sleeve support, 15, inner shaft, 16, second support plate, 17, first spiral wall, 18, centrifugal plate, 21, second wheel, 22, second wheel shaft 23, second slider, 24, drill pipe, 25, drill bit, 27, first chute, 28, spring block, 32, first blocking piece, 33, second blocking piece, 34, bit inclined surface.
  • FIG. 1 it includes a motor support, a motor, a motor shaft, a first gear, a scroll spring, a first support plate, a second gear, a barrel shaft, a barrel shaft sleeve, a sleeve support, an inner shaft, Second support plate, first spiral wall, centrifugal plate, second rotating wheel, second rotating shaft, second sliding block, drill pipe, drill bit, first chute, first blocking piece, second blocking piece, drill bit
  • the inclined surface wherein as shown in FIG. 1, the motor is mounted on the motor support, the first gear is mounted on the motor through the motor shaft; the second gear is mounted on the cylinder shaft, and the first gear meshes with the second gear, as shown in FIG. 2 and FIG.
  • the cylinder shaft is mounted on the sleeve support through the sleeve bushing; the first support plate is mounted on the top end of the cylinder shaft, and the second support plate is mounted on the other end of the cylinder shaft and has a certain distance from the side end surface, as shown in the figure 2, 7, the first spiral wall is mounted on the second support plate, the inner shaft is nested inside the cylinder shaft and both ends protrude from the cylinder shaft, as shown in Fig. 4, the inner end of the scroll spring is mounted on the inner shaft. On one end, the outer end is mounted on the first support plate, as shown in Figures 2 and 3.
  • the centrifugal plate has a first chute and is mounted on the other end of the inner shaft.
  • the second runner A second revolving shaft is mounted thereon, and a second slider is mounted on the second revolving shaft, the drill bit is mounted on the second sliding block by the drill rod, and the second rotating wheel is mounted in the first spiral wall rail, the second sliding The block slides in the first sliding slot; the inner opening end and the outer end of the first spiral wall are respectively mounted with the second blocking piece and the first blocking piece.
  • the drill bit is also machined with a drill bevel around the drill bit.
  • the outer end of the scroll spring is mounted on the first support plate by a spring block.
  • the above-mentioned cylindrical shaft is mounted inside the cylindrical shaft sleeve through a bearing.
  • the above spring block has a groove.
  • the first support plate, the cylindrical shaft, the second gear, and the second support plate form a rotating whole body, and the first spiral wall rotates along with the second support plate, the inner shaft,
  • the centrifugal plates are fixed together, the inner shaft rotates with the rotation of the centrifugal plate around the inner shaft axis, and a scroll spring is arranged between the inner shaft and the cylinder shaft, and the rotational speed or phase difference between the inner shaft and the cylinder shaft is different, and the spiral spring Will be torsionally compressed; when the first support plate rotates under the rotation of the cylinder shaft, the second rotation wheel will perform centrifugal spiral motion in the first spiral wall track, and the second rotation wheel will be from the inner beginning end of the first spiral wall
  • the outer terminal moves, and the second slider on the second rotating wheel cooperates with the first sliding slot of the centrifugal plate to drive the centrifugal plate to rotate around the axis of the cylindrical shaft; then the centrifugal plate drives the inner shaft to rotate because the
  • the inner shaft is synchronized with the cylinder shaft. Rotate.
  • the greater the speed obtained by the cylinder shaft the greater the centrifugal force of the second rotor, the greater the distance from the axis of the cylinder of the second rotor along the axis of the first spiral wall, and the greater the phase difference between the centrifugal plate and the cylinder axis.
  • the scroll spring requires a large compression deformation to enable the inner shaft and the cylinder shaft to rotate under a large phase difference to achieve equilibrium; the compressed scroll spring releases energy when the cylinder shaft stops moving, and drives the inner shaft, a sliding slot and a first slider resetting the second rotating wheel;
  • the second rotor When the cylinder shaft is driven by the second gear, the second rotor will move relative to the first spiral wall track during the rotation with the rotation of the first spiral wall on the second support plate until the scroll spring generates
  • the force and the centrifugal force are basically offset.
  • the radial position of the second rotating wheel is fixed, the radial distance of the drill bit is fixed, and the hole of the corresponding diameter can be drilled; when the rotational speed of the cylindrical shaft is increased, the centrifugal force is increased, and the drill bit continues with the second rotating wheel.
  • the first spiral wall track moves relative to each other while the scroll spring compresses, and when compressed to counteract the force generated by the increased centrifugal force, the bit remains at a new radial position and a larger hole can be drilled.
  • the second rotating wheel of the invention is subjected to centrifugal force, the force generated by the scroll spring to be transmitted through the centrifugal plate, and the reaction force exerted by the object drilled by the drill bit, and the balance is balanced before the drill bit can maintain a constant radial position.
  • Drilling a stable hole requires as much as possible to ensure that the force generated by the scroll spring is of the same magnitude as the reaction force applied by the object being drilled, so that the stability of the hole drilling process with different bore diameters can be maintained by adjusting the rotational speed. Therefore, the hardness of the material being drilled cannot be very hard.
  • the specific embodiment is as follows: firstly determine the diameter of the drill hole, the material of the drill hole, and then adjust the motor speed to reach a suitable drilling speed, then turn on the motor, and the motor rotates to drive the drill bit to rotate around the axis of the cylinder shaft to achieve a stable rotation diameter. After the position is turned, the hole is started; after the hole is finished, the motor stops, and after the scroll spring is restored, the inner shaft and the second wheel are restored, waiting for the next punch.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Rotary Pumps (AREA)

Abstract

L'invention concerne un mécanisme de poinçonnage à diamètre de trépan variable, qui comprend un moteur (2), un premier engrenage (4), un ressort hélicoïdal (5), un second engrenage (7), un arbre cylindrique (8), un arbre interne (15), une première paroi hélicoïdale (17), une seconde roue rotative (21), et un trépan (25), une première plaque d'appui (6), l'arbre cylindrique (8), le second engrenage (7), et une seconde plaque d'appui (16) composant un corps monobloc rotatif, la paroi hélicoïdale (17) tournant avec la seconde plaque d'appui (16), l'arbre interne (15) et une plaque de centrifugeuse (18) étant fixés l'un à l'autre, l'arbre interne (15) tournant à mesure que la plaque de centrifugeuse (18) tourne autour de la ligne axiale de l'arbre interne (15), le ressort hélicoïdal (5) étant disposé entre l'arbre interne (15) et l'arbre cylindrique (8), et le ressort hélicoïdal (5) effectuant le stockage et la libération d'énergie. Lorsque l'arbre cylindrique (8) commence à tourner, la seconde roue rotative (21), dans le processus de rotation avec la rotation de la première paroi hélicoïdale (17), se déplace relativement le long d'une piste sur la première paroi hélicoïdale (17) jusqu'à ce qu'une force produite par le ressort hélicoïdal (5) soit fondamentalement annulée par une force centrifuge, au moment où la distance radiale du trépan (25) est fixe; lorsque la vitesse de rotation de l'arbre cylindrique (8) augmente, le trépan (25) est maintenu dans une nouvelle position radiale; des trous de différents diamètres peuvent être poinçonnés en différentes positions radiales. L'invention concerne également des effets d'utilisation améliorés.
PCT/CN2017/094960 2016-11-04 2017-07-28 Mécanisme de poinçonnage à diamètre de trépan variable WO2018082354A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610963668.5 2016-11-04
CN201610963668.5A CN106346052B (zh) 2016-11-04 2016-11-04 一种钻头直径可变的打孔机构

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN109590507A (zh) * 2018-12-25 2019-04-09 杭州佧斯家居设计有限公司 一种断桥铝合金门窗加工用钻孔机
CN117754019A (zh) * 2023-12-28 2024-03-26 无锡市豪达工艺品有限公司 一种微型电机端盖打孔设备

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CN106346052B (zh) * 2016-11-04 2018-02-09 泰州市光明电子材料有限公司 一种钻头直径可变的打孔机构
CN107900723A (zh) * 2017-11-09 2018-04-13 宁波大红鹰学院 一种定位准确的钻孔装置
CN109513965B (zh) * 2018-11-29 2020-12-11 海宁科巍轴承科技有限公司 一种利用离心力改变汽车滑动轴承的套油孔打孔装置
CN111396236B (zh) * 2020-04-05 2021-08-10 西北工业大学 一种基于双螺旋单元的不倒翁式波浪能发电装置
CN116441932B (zh) * 2023-04-27 2023-09-12 济南章力机械有限公司 一种卧式对头钻铣机床

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CN105149652A (zh) * 2015-09-18 2015-12-16 河海大学 可变钻孔直径的钻孔装置
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CN106392142A (zh) * 2016-11-04 2017-02-15 福州麦辽自动化设备有限公司 一种钻头直径可变的高强度材料的打孔机构

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CN109590507A (zh) * 2018-12-25 2019-04-09 杭州佧斯家居设计有限公司 一种断桥铝合金门窗加工用钻孔机
CN117754019A (zh) * 2023-12-28 2024-03-26 无锡市豪达工艺品有限公司 一种微型电机端盖打孔设备

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