CN214557631U - Transmission shaft and main shaft structure of main shaft box of radial drilling machine - Google Patents
Transmission shaft and main shaft structure of main shaft box of radial drilling machine Download PDFInfo
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- CN214557631U CN214557631U CN202120719436.1U CN202120719436U CN214557631U CN 214557631 U CN214557631 U CN 214557631U CN 202120719436 U CN202120719436 U CN 202120719436U CN 214557631 U CN214557631 U CN 214557631U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 175
- 238000005553 drilling Methods 0.000 title abstract description 28
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
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- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
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- 230000033228 biological regulation Effects 0.000 description 1
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Abstract
A transmission shaft and main shaft structure of a main shaft box of a radial drilling machine is characterized in that a main motor is connected with a first transmission gear, the first transmission gear is connected with a second transmission gear, a sixth transmission gear is connected with a fourth transmission shaft, the fourth transmission shaft is connected with a main shaft, the second transmission gear is connected with a first clutch, the sixth transmission gear is connected with the fourth transmission shaft, the fourth transmission shaft is connected with the main shaft, a feeding motor is connected with a speed reducer, the speed reducer is connected with a third transmission shaft, the third transmission shaft is connected with a worm gear mechanism, the worm gear mechanism is connected with a main shaft sleeve, a main shaft sleeve is arranged on the outer circumference of the main shaft, the fourth transmission shaft is inserted into a spline hole of the main shaft, and the sixth transmission gear is installed on the fourth transmission shaft; the main shaft rotates in the main shaft sleeve. The utility model discloses a function is good, simple structure, convenient operation, and reasonable in process, low cost, the style is pleasing to the eye, and promotion radial drill's quality by a wide margin is applied to in the machining trade.
Description
Technical Field
The utility model relates to a transmission shaft and main shaft structure of radial drill headstock in the machining trade.
Background
At present, a radial drilling machine is a machine tool for machining holes with a plurality of large parts by single piece or batch production in the machining industry. A drill press is provided in which a spindle head is movable on a swing arm and revolves around a column with the swing arm. The rocker arm moves up and down along the upright column to adapt to processing workpieces with different heights. The smaller workpiece is mounted on the table and the larger workpiece is placed directly on the machine base or ground. Radial drilling machines are widely used in single-piece and medium-to-small-lot production to machine holes in workpieces of relatively large volumes and weights. The main variants of radial drilling machines are sliding seat type and universal type. The slide seat type radial drilling machine is formed by changing a base of a base type radial drilling machine into a slide seat, and the slide seat moves along a guide rail of a machine body so as to enlarge the processing range. The rocker arm of the universal rocker arm drilling machine does horizontal rotation along the vertical column and around the vertical column, and the main spindle box does inclination adjustment on the rocker arm so as to adapt to the processing of all parts of a workpiece. The radial drilling machine is a hole processing device and is used for processing various forms such as drilling, reaming, tapping, end face scraping and the like. According to usage and structure classification, the drilling machine is divided into an upright drilling machine, a bench drilling machine, a multi-hole drilling machine, a radial drilling machine and other special drilling machines and the like. Among various drilling machines, the radial drilling machine is convenient and flexible to operate, wide in application range and typical, is particularly suitable for hole machining of porous large parts in single piece or batch production, and is a common machine tool in common machining workshops.
The invention discloses a main shaft speed change system and a main shaft feeding speed change system of a digital display type radial drilling machine in patent number 201510820147.X, and the invention mainly differs from the patent in that the structure of a main shaft box is further optimized, a hydraulic system is omitted, the number of transmission gears is reduced, further improving the transmission efficiency, reducing the failure rate, canceling a hydraulic speed change mechanism, replacing the hydraulic speed change mechanism with an electromagnetic clutch, ensuring the smooth speed change of a main shaft and the smooth speed change of the main shaft feeding, changing the structure of the main shaft, disconnecting the integrated main shaft from the middle, designing the upper half part into a spline shaft as a transmission shaft, designing the middle part of the thickened outer diameter of the lower half part into a spline hole, inserting the upper half part of the spline shaft into the spline hole of the main shaft of the lower half part, additionally arranging a rotary encoder at the tail end of the transmission shaft of the main shaft for transmitting the torque, the digital display ruler is additionally arranged on the side face of the main shaft sleeve, so that the drilling depth of the main shaft can be accurately controlled and displayed under the condition that the main shaft is enabled to realize rotary feeding.
The spindle speed change system of the radial drilling machine in the prior art generally does not have an electromagnetic clutch to realize high-low gear switching of spindle movement, spindle speed change or spindle feeding speed change can be realized by completely stopping a spindle and performing relatively complex operation, the spindle is restarted after the speed change is finished, the switching control is slow, the automation degree is poor, the efficiency is low, the spindle speed change and the spindle feeding speed change are realized by adopting hydraulic devices, a plurality of transmission gears and transmission shafts are arranged, the structure is complex, the processing technology and the assembly technology are difficult, the cost is high, the failure rate is high, the operation is inconvenient, and the maintenance is difficult. In the radial drill gearbox, a gear pump lubricating system is adopted for lubricating in the past, the structure is complex, oil tanks of the gear pump lubricating system are arranged at the middle front part of the gearbox, and cold and hot processing is troublesome. Therefore, the development of a transmission shaft and a main shaft structure of a main shaft box of a radial drilling machine is a new problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transmission shaft and a main shaft structure of a main shaft box of a radial drill, the main shaft movement and the main shaft feed movement of the invention are stepless speed regulation movements, and the operation of each movement is completed by one key, the main shaft speed change and the main shaft feed speed change part only comprise seven transmission gears and four transmission shafts, only a speed change knob needs to be rotated during the speed change operation, because the whole main shaft box cancels a hydraulic device, the transmission gears and the transmission shafts are greatly reduced, the processing technology and the assembly technology are simplified, when the enough output torque of the main shaft is obtained, a enough large rotating speed range is obtained, the electromagnetic clutch is used for realizing the high-low gear switching of the main shaft movement, the electromagnetic clutch is used for switching, the control is faster, the automation is more simple and the efficiency is higher than that a hydraulic system is used for controlling a sliding gear speed change mechanism, the rotary encoder is further arranged at the upper end of the transmission shaft for transmitting torque to the main shaft, the main motor and the feeding motor are connected through software, the main shaft feeding is changed from sub-feeding to rotary feeding, and the rotary encoder is very accurate and enables operation to be more convenient and fast.
The purpose of the utility model is realized like this: a transmission shaft and main shaft structure of a main shaft box of a radial drilling machine comprises a main motor, a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear, a fifth transmission gear, a sixth transmission gear, a fourth transmission gear, a main shaft sleeve, a main shaft, a seventh transmission gear, a feeding motor, a speed reducer, a worm and gear mechanism, a main shaft box, a third transmission gear, a rotary encoder, a first transmission gear, a first electromagnetic clutch, a second transmission gear, a horizontal shaft assembly, a support, an induction iron, a gasket, a separation blade, a locking nut, a third bearing and a gasket, wherein the main motor is connected with the first transmission gear, the first transmission gear is connected with the second transmission gear, the second transmission gear is connected with the third transmission gear, the third transmission gear is connected with the fourth transmission gear, the fourth transmission gear is connected with a second clutch, and the second clutch is connected with the fifth transmission gear, the fifth transmission gear is connected with the sixth transmission gear, the sixth transmission gear is connected with a fourth transmission shaft 8, the fourth transmission shaft is connected with the spindle, the second transmission gear is connected with a first clutch, the first clutch is connected with a seventh transmission gear, the seventh transmission gear is connected with the fifth transmission gear, the feeding motor is connected with a speed reducer, the speed reducer is connected with a third transmission shaft, the third transmission shaft is connected with a worm gear mechanism, the worm gear mechanism is connected with a spindle sleeve, the spindle sleeve is arranged on the outer circumference of the spindle, the first transmission shaft is arranged in the spindle box, the first electromagnetic clutch is arranged on the first transmission shaft, the second electromagnetic clutch is arranged on the second transmission shaft, the rotary encoder is arranged at the upper end of the fourth transmission shaft on the spindle box, and the second transmission shaft is arranged in the spindle box; a horizontal shaft assembly is arranged at the lower part of the main spindle box; the fourth transmission shaft is fixed on the upper part of the spindle box through a first bearing and a second bearing, the spindle sleeve and the spindle are combined together through a bearing group and the bearing group and are installed in a guide hole in the lower part of the spindle box, the fourth transmission shaft is inserted into a spline hole of the spindle, and the sixth transmission gear is installed on the fourth transmission shaft; the main shaft is arranged in a main shaft sleeve hole through a third bearing group, a second bearing group, a gasket, a first bearing group, a third bearing and a gasket, and axial positioning is realized through a baffle plate and a locking nut; the main shaft can rotate in the main shaft sleeve; the main shaft sleeve is arranged in the main shaft box hole and slides up and down; the support is fixed on the main shaft sleeve.
The main point of the utility model lies in its structure. The working principle and the operation method are as follows: the upper end of a fourth transmission shaft for transmitting torque to the main shaft is also provided with a rotary encoder, the fourth transmission shaft is fixed at the upper part of the main shaft box through a first bearing and a second bearing and only does rotary motion without up-down movement, a main shaft sleeve and the main shaft are combined together through the first bearing group and the second bearing group and are arranged in a guide air at the lower part of the main shaft box, the main shaft can rotate in the main shaft sleeve, the main shaft sleeve does not rotate but drives the main shaft to move up and down in a guide hole of the main shaft box, the fourth transmission shaft is inserted into a splined hole of the main shaft, a sixth transmission gear is arranged on the fourth transmission shaft, the torque of a main motor drives the fourth transmission shaft to rotate through the sixth transmission gear, the rotary motion of a feeding motor is changed into linear motion through the main shaft sleeve through a worm gear mechanism and is transmitted to the main shaft, the feeding motion of the main shaft is realized, and the fourth transmission shaft does not do up-down movement, a rotary encoder is directly connected and installed at the tail end; the main shaft part is shortened, thickened and designed into a hollow form, the fourth transmission shaft can extend into the hollow part of the main shaft, the tail part of the main shaft is provided with a spline hole, and the extended fourth transmission shaft is a spline shaft and transmits the rotary motion in the main shaft box to the main shaft; along with the thickening of the main shaft, the main shaft sleeve is thickened, the torsional rigidity and the bending rigidity of the main shaft are enhanced, and the main shaft is not only drilled, but also bored; the total length of the main shaft is shortened, so the processing is more convenient.
Compared with the prior art, the transmission shaft and the main shaft structure of the main shaft box of the radial drilling machine have the advantages of excellent function, simple structure, convenient operation, reasonable process, low cost, attractive style, great improvement on the quality of the radial drilling machine and the like, and can be widely applied to the machining industry.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
Fig. 4 is a schematic diagram of the transmission system of the present invention.
Detailed Description
Referring to the attached drawings, a transmission shaft and spindle structure of a spindle box of a radial drilling machine comprises a main motor 1, a first transmission gear 2, a second transmission gear 3, a third transmission gear 4, a fourth transmission gear 5, a fifth transmission gear 6, a sixth transmission gear 7, a fourth transmission gear 8, a spindle sleeve 9, a spindle 10, a seventh transmission gear 11, a feeding motor 12, a speed reducer 13, a worm gear mechanism 14, a spindle box 15, a third transmission shaft 16, a rotary encoder 17, a first transmission shaft 18, a first electromagnetic clutch 19, a second electromagnetic clutch 20, a second transmission shaft 21, a horizontal shaft assembly 22, a support 23, an induction iron 24, a gasket 25, a baffle 26, a locking nut 27, a third bearing 28 and a gasket 29, wherein the main motor 1 is connected with the first transmission gear 2, the first transmission gear 2 is connected with the second transmission gear 3, and the second transmission gear 3 is connected with the third transmission gear 4, the third transmission gear 4 is connected with a fourth transmission gear 5, the fourth transmission gear 5 is linked with a second clutch 20, the second clutch 20 is connected with a fifth transmission gear 6, the fifth transmission gear 6 is connected with a sixth transmission gear 7, the sixth transmission gear 7 is connected with a fourth transmission shaft 8, the fourth transmission shaft 8 is connected with a main shaft 10, the second transmission gear 3 is connected with a first clutch 19, the first clutch 19 is connected with a seventh transmission gear 11, the seventh transmission gear 11 is connected with the fifth transmission gear 6, the feeding motor 12 is connected with a speed reducer 13, the speed reducer 13 is connected with a third transmission shaft 16, the third transmission shaft 16 is connected with a worm gear mechanism 14, the worm gear mechanism 14 is linked with a main shaft sleeve 9, the main shaft 10 is provided with a main shaft sleeve 9 on the outer circumference, the main shaft 15 is provided with the first transmission shaft 18, the first transmission shaft 18 is provided with the first electromagnetic clutch 19, a second electromagnetic clutch 20 is arranged on a second transmission shaft 21, a rotary encoder 17 is arranged at the upper end of a fourth transmission shaft 8 on a spindle box 15, and the second transmission shaft 21 is arranged in the spindle box 15; a horizontal shaft assembly 22 is arranged at the lower part of the main spindle box 15; the fourth transmission shaft 8 is fixed on the upper part of the main shaft box 15 through a first bearing 8-1 and a second bearing 8-2, the main shaft sleeve 9 and the main shaft 10 are combined together through a bearing group 10-1 and a bearing group 10-2 and are installed in a guide hole in the lower part of the main shaft box 15, the fourth transmission shaft 8 is inserted into a spline hole of the main shaft 10, and the sixth transmission gear 7 is installed on the fourth transmission shaft 8; the main shaft 10 is arranged in a hole of the main shaft sleeve 9 through a third bearing group 10-3, a second bearing group 10-2, a gasket 29, a first bearing group 10-1, a third bearing 28 and a gasket 25, axial positioning is realized through a baffle 26 and a locking nut 27, and the support 23 is fixed on the main shaft sleeve 9.
The working principle and the operation method of the transmission shaft and the main shaft structure of the main shaft box of the radial drilling machine are as follows: a rotary encoder 17 is further arranged at the upper end of a fourth transmission shaft 8 for transmitting torque to the spindle 10, the fourth transmission shaft 8 is arranged in a guide air at the lower part of the spindle box 15 through a first bearing 8-1, a second bearing 8-2 is fixed at the upper part of the spindle box 15 and only does not do rotary motion and does not do up-down movement, a spindle sleeve 9 and the spindle 10 are arranged in the guide air at the lower part of the spindle box 15 through a first bearing group 10-1 and a second bearing group 10-2 in a combined mode, the spindle 10 can rotate in the spindle sleeve 9, the spindle sleeve 9 does not rotate but drives the spindle 10 to move up and down in a guide hole of the spindle box 15, the fourth transmission shaft 8 is inserted into a spline hole of the spindle 10, a sixth transmission gear 7 is arranged on the fourth transmission shaft 8, the torque of the main motor 1 drives the fourth transmission shaft 8 to rotate through the sixth transmission gear 7, the fourth transmission shaft 8 drives the spindle 10 to rotate, the torque of the feeding motor 12 is changed into linear motion through a worm gear mechanism 14 and is transmitted to the main transmission shaft 8 The shaft 10 realizes the feeding motion of the main shaft 10, and a rotary encoder 17 is directly connected and installed at the tail end of the fourth transmission shaft 8 because the fourth transmission shaft does not move up and down; the main shaft 10 is shortened, thickened and designed to be hollow, the fourth transmission shaft 8 can extend into the hollow part of the main shaft 10, the tail part of the main shaft 10 is provided with a spline hole, and the extended fourth transmission shaft 8 is a spline shaft and transmits the rotary motion in the main shaft box 15 to the main shaft 10; along with the thickening of the main shaft 10, the main shaft sleeve 9 is thickened, the torsional rigidity and the bending rigidity of the main shaft 10 are enhanced, and the main shaft 10 is not only drilled, but also bored; since the total length of the main shaft 10 is shortened, the processing thereof is more convenient.
Claims (1)
1. The utility model provides a transmission shaft and main shaft structure of radial drill headstock, including the main motor, first transmission gear, the second drive gear, the third drive gear, the fourth drive gear, the fifth drive gear, the sixth drive gear, the fourth transmission shaft, the spindle cover, the main shaft, the seventh drive gear, feed motor, the speed reducer, worm gear mechanism, the headstock, the third transmission shaft, rotary encoder, first transmission shaft, first electromagnetic clutch, the second transmission shaft, the horizontal axis assembly, a support, response iron, the gasket, the separation blade, lock nut, the third bearing, the gasket, its characterized in that: the main motor is connected with a first transmission gear, the first transmission gear is connected with a second transmission gear, the second transmission gear is connected with a third transmission gear, the third transmission gear is connected with a fourth transmission gear, the fourth transmission gear is connected with a second clutch, the second clutch is connected with a fifth transmission gear, the fifth transmission gear is connected with a sixth transmission gear, the sixth transmission gear is connected with a fourth transmission shaft 8, the fourth transmission shaft is connected with a main shaft, the second transmission gear is connected with a first clutch, the first clutch is connected with a seventh transmission gear, the seventh transmission gear is connected with a fifth transmission gear, the feeding motor is connected with a speed reducer, the speed reducer is connected with the third transmission shaft, the third transmission shaft is connected with a worm gear mechanism, the worm gear mechanism is connected with a main shaft sleeve, a main shaft sleeve is arranged on the outer circumference of the main shaft, the first transmission shaft is arranged in the main shaft sleeve, a first electromagnetic clutch is arranged on the first transmission shaft, a second electromagnetic clutch is arranged on the second transmission shaft, a rotary encoder is arranged at the upper end of a fourth transmission shaft on the spindle box, and the second transmission shaft is arranged in the spindle box; a horizontal shaft assembly is arranged at the lower part of the main spindle box; the fourth transmission shaft is fixed on the upper part of the spindle box through a first bearing and a second bearing, the spindle sleeve and the spindle are combined together through a bearing group and the bearing group and are installed in a guide hole in the lower part of the spindle box, the fourth transmission shaft is inserted into a spline hole of the spindle, and the sixth transmission gear is installed on the fourth transmission shaft; the main shaft is arranged in a main shaft sleeve hole through a third bearing group, a second bearing group, a gasket, a first bearing group, a third bearing and a gasket, and axial positioning is realized through a baffle plate and a locking nut; the main shaft can rotate in the main shaft sleeve; the main shaft sleeve is arranged in the main shaft box hole and slides up and down; the support is fixed on the main shaft sleeve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719436.1U CN214557631U (en) | 2021-04-09 | 2021-04-09 | Transmission shaft and main shaft structure of main shaft box of radial drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120719436.1U CN214557631U (en) | 2021-04-09 | 2021-04-09 | Transmission shaft and main shaft structure of main shaft box of radial drilling machine |
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| CN214557631U true CN214557631U (en) | 2021-11-02 |
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| CN202120719436.1U Active CN214557631U (en) | 2021-04-09 | 2021-04-09 | Transmission shaft and main shaft structure of main shaft box of radial drilling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916918A (en) * | 2021-04-09 | 2021-06-08 | 沈阳景宏数控设备有限公司 | Transmission shaft and main shaft structure of main shaft box of radial drilling machine |
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2021
- 2021-04-09 CN CN202120719436.1U patent/CN214557631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916918A (en) * | 2021-04-09 | 2021-06-08 | 沈阳景宏数控设备有限公司 | Transmission shaft and main shaft structure of main shaft box of radial drilling machine |
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