CN110834101A - Pipe conveying lifting adjusting device for numerical control lathe - Google Patents
Pipe conveying lifting adjusting device for numerical control lathe Download PDFInfo
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- CN110834101A CN110834101A CN201911139101.6A CN201911139101A CN110834101A CN 110834101 A CN110834101 A CN 110834101A CN 201911139101 A CN201911139101 A CN 201911139101A CN 110834101 A CN110834101 A CN 110834101A
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- 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
- B23Q7/05—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 by means of roller-ways
- B23Q7/055—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 by means of roller-ways some of the rollers being driven
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Abstract
A tubular product transmission lift adjustment device for numerical control lathe belongs to mechanical automation field, has solved the unable tubular product central height of adjusting when the transmission different diameter tubular products that current tubular product transmission device exists, can't adapt to the problem of different pipe diameter variation in size. The invention comprises a hand-operated wheel, a hand-operated wheel limit baffle, a first fine thread screw rod, a protective cover, an optical axis fixing ring, a base frame, a joint bearing, a first chain wheel, a cylinder base plate, a cylinder double lug, a cylinder single lug, a cylinder rod connecting piece, a second fine thread screw rod, a first chain, a rolling mechanical part, a second chain, a third chain, a three-phase speed reducing motor bottom plate and a three-phase speed reducing motor. The pipe conveying device can realize the forward and backward movement and the center height adjustment of the pipe in the conveying process, has the function of lifting height, and can adapt to the change of different pipe diameters.
Description
Technical Field
The invention belongs to the technical field of mechanical automation, and particularly relates to a pipe conveying lifting adjusting device for a numerical control lathe.
Background
The numerical control lathe is a mechanical-electrical integrated product integrating multiple technologies such as machinery, electricity, hydraulic pressure, pneumatics, microelectronics and information, and is a working master machine with the advantages of high precision, high efficiency, high automation, high flexibility and the like in mechanical manufacturing equipment.
At present, when a numerical control lathe is used for processing a pipe, the center height of a chuck of the numerical control lathe is fixed, so a pipe conveying mechanism needs to be matched during processing. The existing large-scale pipe conveying mechanism is composed of a plurality of rollers which are arranged in a straight line, the rollers are fixed on a frame, each roller is provided with a rotating motor for providing power, the rotating motors can rotate in a forward and reverse direction, and the pipes on the rollers are driven to move back and forth. Because a plurality of gyro wheels are fixed on the frame, can't carry out the synchronous lift adjustment of a plurality of gyro wheels, when transmitting different diameter tubular products, can't adjust the central height of tubular product, increase numerical control lathe and carry out tubular product processing difficulty.
Disclosure of Invention
The invention provides a pipe transmission lifting adjusting device for a numerical control lathe, which aims to solve the problems that the center height of a pipe cannot be adjusted and the middle and small heights cannot be changed along with the change of the pipe diameter when the pipe with different diameters is transmitted by the conventional pipe transmission mechanism.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the invention discloses a pipe conveying lifting adjusting device for a numerical control lathe, which comprises:
a base frame;
a front-back movement driving mechanism and a lifting driving mechanism which are arranged at the lower end of the base frame;
a plurality of rolling mechanical parts mounted on an upper end of the base frame;
two adjacent rolling mechanical parts are connected through a first chain;
the rolling mechanical parts at the rearmost end of the base frame are connected through a third chain;
the rolling mechanical part positioned at the rearmost end of the base frame is connected with the front-back movement driving mechanism;
the rolling mechanical part positioned at the rearmost end of the base frame is connected with the lifting driving mechanism;
the rolling mechanical parts are connected through a first fine thread screw rod, an optical axis fixing ring and a joint bearing.
Further, the base frame includes: the device comprises a base plate, square pipe stand columns, rectangular pipe vertical ribs, a rolling mechanical part base plate, rectangular pipe transverse ribs, a protective cover vertical beam, a protective cover transverse beam and a rectangular pipe transverse beam;
the number of the baseboard is 8, the number of the square tube stand columns is 8, the number of the rectangular tube vertical ribs is 6, the number of the rolling mechanical part bottom plates is multiple, the number of the rectangular tube transverse ribs is 6, the number of the protective cover vertical beams is 9, the number of the protective cover cross beams is 1, and the number of the rectangular tube cross beams is two;
the lower end of each square pipe upright post is provided with a base plate; two square tube stand columns in each pair of square tube stand columns are transversely and fixedly connected through a rectangular tube transverse rib; the adjacent two pairs of square tube stand columns are fixedly connected through two rectangular tube vertical ribs, namely, the left square tube stand column in the first pair of square tube stand columns is fixedly connected with the left square tube stand column in the adjacent second pair of square tube stand columns through one rectangular tube vertical rib, the right square tube stand column in the first pair of square tube stand columns is fixedly connected with the right square tube stand column in the adjacent second pair of square tube stand columns through the other rectangular tube vertical rib, and the other principle is the same;
two rectangular tube cross beams are fixed at the upper ends of four square tube stand columns, namely one rectangular tube cross beam is fixed at the upper ends of the four left square tube stand columns, and the other rectangular tube cross beam is fixed at the upper ends of the four right square tube stand columns;
the rolling mechanical part bottom plates are welded and fixed on the two rectangular tube beams, the number of the rolling mechanical part bottom plates on each rectangular tube beam is the same, and the rolling mechanical part bottom plates on the two rectangular tube beams are arranged in a one-to-one correspondence manner;
the 9 vertical protective cover beams are vertically welded and fixed on the outer edge of the right rectangular tube beam; 1 rectangular pipe crossbeam welded fastening respectively erects the roof beam upper end at 9 protections casings.
Furthermore, the protective hood comprises a protective hood fixed on a frame formed by welding 9 protective hood vertical beams and 1 protective hood cross beam.
Further, the forward-backward movement driving mechanism includes: the three-phase speed reducing motor comprises a first chain wheel, a second chain, a three-phase speed reducing motor bottom plate and a three-phase speed reducing motor; the three-phase speed reducing motor bottom plate is welded and fixed on two rectangular pipe vertical ribs between a third square pipe upright post and a fourth square pipe upright post of the base frame; the three-phase speed reducing motor is arranged on a three-phase speed reducing motor bottom plate; the first chain wheel is arranged on an output shaft of the three-phase speed reducing motor; the first chain wheel is connected with the rolling mechanical part positioned at the rearmost end of the base frame through a second chain.
Further, the lift driving mechanism includes: the device comprises a hand-operated wheel, a hand-operated wheel limit baffle, a cylinder base plate, two cylinders, a single cylinder, a cylinder rod connecting piece and a second fine thread screw rod; the hand-cranking wheel limiting baffle is welded and fixed on the first pair of square tube stand columns at the front end of the base frame; a U-shaped groove is formed in the center of the hand-cranking wheel limiting baffle, and the front end of a first fine thread screw rod positioned at the foremost end of the device penetrates through the U-shaped groove in the center of the hand-cranking wheel limiting baffle; the front end of a first fine-thread screw rod positioned at the foremost end of the device is in threaded connection with a hand-operated wheel, and the hand-operated wheel is in contact with the outer end face of a limit baffle of the hand-operated wheel; the cylinder base plate is welded and fixed on a third square tube upright post of the base frame, and the lower end of the cylinder base plate is fixed on a third rectangular tube vertical rib; the double air cylinder lugs are fixed on the end face of the air cylinder base plate, the single air cylinder lug is connected with the double air cylinder lugs, and the air cylinder is fixed on the single air cylinder lug; a cylinder rod of the cylinder is positioned at the axis position of the cylinder; the second fine thread screw rod is connected with the air cylinder rod through an air cylinder rod connecting piece.
Furthermore, the rolling mechanical parts are arranged on rolling mechanical part bottom plates on the two rectangular pipe cross beams; the lower end of the rolling mechanical part is connected with the joint bearing through an optical axis fixing ring; each rolling mechanical part corresponds to two paired rolling mechanical part bottom plates, each rolling mechanical part corresponds to two optical axis fixing rings, and each rolling mechanical part corresponds to two joint bearings.
Further, the rolling mechanical component includes: the device comprises a roller, a first Z-series tensioning sleeve, a first spherical outside surface bearing seat, a second chain wheel, a second Z-series tensioning sleeve, a first optical axis, a third chain wheel, a second spherical outside surface bearing seat, a swinging vertical plate, a second optical axis, a third spherical outside surface bearing seat, a roller fixing plate and a third optical axis;
the two ends of the inner hole of the roller shaft are respectively embedded with a first Z-series tensioning sleeve, and the roller is fixed on a first optical axis through the two first Z-series tensioning sleeves;
assembling and locking a bearing inner ring of a first spherical outside surface bearing seat and an outer shaft of a first optical axis, wherein the number of the first spherical outside surface bearing seats is two, and the two first spherical outside surface bearing seats are respectively positioned at two ends of the roller;
the end parts of the two first outer spherical surface bearing seats are fixed on the front side surface of the roller fixing plate;
the second chain wheel comprises an inner gear and an outer gear; a second Z-series tensioning sleeve is embedded in the inner ring of the second chain wheel, the second chain wheel is fixed on the first optical axis through the second Z-series tensioning sleeve, and the second chain wheel is positioned at the end part of the first optical axis;
the end parts of the two third external spherical surface bearing seats are fixed on the rear side surface of the roller fixing plate;
assembling and locking the bearing inner rings of the two third insert bearing seats with the outer shaft of the third optical axis;
the bearing inner rings of the two second spherical outside surface bearing seats are assembled and locked with the outer shaft of the third optical axis, and the two second spherical outside surface bearing seats are respectively positioned at the outer sides of the two third spherical outside surface bearing seats; the end faces of the second outer spherical bearing seats are fixed on the rolling mechanical part bottom plate of the base frame, and each second outer spherical bearing seat is correspondingly fixed on one rolling mechanical part bottom plate;
the third chain wheel comprises an inner gear and an outer gear; a second Z-series tensioning sleeve is embedded in the inner ring of the third chain wheel, the third chain wheel is fixed on a third optical axis through the second Z-series tensioning sleeve, and the third chain wheel is positioned at the end part of the third optical axis;
a rectangular groove is formed in the center of the rear side face of the roller fixing plate, the swinging vertical plate is fixed in the rectangular groove in the center of the rear side face of the roller fixing plate, the third optical axis penetrates through the swinging vertical plate, and the third optical axis is not in contact with the swinging vertical plate;
the end part of the swinging vertical plate is provided with a mounting hole, a second optical axis is pressed into the mounting hole of the swinging vertical plate, and the lengths of the second optical axes at the two sides of the swinging vertical plate are equal;
the first chain wheel is connected with a third chain wheel inner gear in a rolling mechanical part positioned at the rearmost end of the base frame through a second chain;
the third chain wheel outer gear in the rolling mechanical part at the rearmost end of the base frame is connected with the second chain wheel outer gear through a third chain;
the second chain wheel internal gear in the rolling mechanical part positioned at the rearmost end of the base frame is connected with the second chain wheel internal gear in the adjacent penultimate rolling mechanical part through a first chain;
the second chain wheel external gear in the last but one rolling mechanical part is connected with the second chain wheel external gear in the last but one rolling mechanical part through a first chain, the second chain wheel internal gear in the last but one rolling mechanical part is connected with the second chain wheel internal gear in the last but one rolling mechanical part through a first chain, and so on.
Furthermore, one end of the knuckle bearing is sleeved on the second optical axis, and the other end of the knuckle bearing is in threaded connection with the first fine-tooth screw rod; the optical axis fixing ring is sleeved on the second optical axis and is in contact with the outer end face of the joint bearing; two joint bearings are symmetrically arranged on a second optical axis positioned on two sides of the swinging vertical plate, and two optical axis fixing rings are symmetrically arranged on the outer end faces of the two joint bearings.
Furthermore, the number of the first fine-tooth screw rods is multiple, two adjacent first fine-tooth screw rods are connected through two joint bearings, two optical axis fixing rings and a second optical axis, one end of each first fine-tooth screw rod is connected with one joint bearing, and the other end of each first fine-tooth screw rod is connected with the other joint bearing.
Furthermore, the rolling mechanical part, the second fine-tooth screw rod and the rear end of the first fine-tooth screw rod positioned at the rearmost end of the device are connected through two joint bearings and two optical axis fixing rings, the rear end of the first fine-tooth screw rod positioned at the rearmost end of the device is connected with one joint bearing, and the end part of the second fine-tooth screw rod is connected with the other joint bearing.
The invention has the beneficial effects that:
the invention relates to a pipe conveying lifting adjusting device for a numerical control lathe, which transmits force to a roller through a three-phase speed reducing motor, a first chain wheel, a second chain, a third chain wheel, a third chain, a second chain wheel, a second Z-series tensioning sleeve, a first optical axis and a first Z-series tensioning sleeve to enable the roller to rotate, and simultaneously drives the first chain through the second chain wheel to enable a rolling mechanical part to rotate to drive a next rolling mechanical part to rotate, so that the simultaneous rotation of the whole set of multiple rollers is realized, and the forward and backward movement of a pipe on the roller is realized.
According to the pipe conveying lifting adjusting device for the numerical control lathe, the radial thrust is applied to the swinging vertical plate through the air cylinder, the air cylinder rod connecting piece, the second fine-tooth screw rod and the joint bearing, and the fixed plate, the first outer spherical surface bearing seat, the roller and the third outer spherical surface bearing seat are simultaneously subjected to the radial thrust, so that the roller rotates by taking the first optical axis as a main shaft angle. The radial thrust is transmitted downwards in sequence through the first fine thread screw rod, the joint bearing and the optical axis fixing ring, the radiuses of all rolling mechanical parts rotating by taking the first optical axis inside the rolling mechanical parts as the axis are the same, the rotating angles are also the same, and the rotating hand wheel is adjusted to limit the moving length of the first fine thread screw rod through the hand wheel limiting baffle plate, namely the extending length of the air cylinder rod is limited to control the rotating angle of the rolling mechanical parts. The center height of the transmission pipe is adjusted by controlling the rotating angle of the rolling mechanical part.
The invention solves the problems that the center height of the pipe cannot be adjusted when the pipe with different diameters is transmitted by the existing pipe transmission mechanism, and the middle and small heights cannot be changed along with the change of the pipe diameter, can realize the front and back movement and the center height adjustment of the pipe in the transmission process, has the function of lifting height, and can adapt to the change of the pipe diameters.
Drawings
Fig. 1 is a left side view (a part of a protective cover is omitted) of a pipe conveying lifting adjusting device for a numerically controlled lathe according to the present invention.
Fig. 2 is a right side view of the pipe conveying lifting adjusting device for the numerically controlled lathe according to the invention.
Fig. 3 is a schematic structural view of the base frame.
Fig. 4 is a schematic structural view of a rolling mechanical component.
Fig. 5 is a schematic diagram illustrating a connection relationship between the optical axis fixing ring 5, the joint bearing 7, and the second optical axis 1710.
In the figure: 1. hand cranking wheel, 2, hand cranking wheel limit baffle, 3, first fine screw rod, 4, protective cover, 5, optical axis fixing ring, 6, base frame, 6001, ground baseboard, 6002, square pipe column, 6003, rectangular pipe vertical rib, 6004, rolling mechanical part bottom board, 6005, rectangular pipe transverse rib, 6006, protective cover vertical beam, 6007, protective cover beam, 6008, rectangular pipe beam, 7, joint bearing, 8, first chain wheel, 9, cylinder bottom board, 10, cylinder double ear, 11, cylinder single ear, 12, cylinder, 13, cylinder rod, 14, cylinder rod connecting piece, 15, second fine screw rod, 16, first chain, 17, rolling mechanical part, 1701, roller, 1702, first Z series tensioning sleeve, 1703, first outer spherical bearing seat, 1704, second chain wheel, 1705, second Z series tensioning sleeve, 1706, first optical axis, 7, third spherical wheel, 1708, second chain outer spherical bearing seat, 1709. the vertical plate swings, 1710, a second optical axis, 1711, a third spherical bearing seat, 1712, a roller fixing plate, 1713, a third optical axis, 18, a second chain, 19, a third chain, 20, a three-phase speed reducing motor bottom plate, 21 and a three-phase speed reducing motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the pipe conveying lifting adjusting device for a numerically controlled lathe of the present invention mainly includes:
the device comprises a hand-operated wheel 1, a hand-operated wheel limit baffle 2, a first fine thread screw rod 3, a protective cover 4, an optical axis fixing ring 5, a base frame 6, a joint bearing 7, a first chain wheel 8, a cylinder base plate 9, a cylinder double lug 10, a cylinder single lug 11, a cylinder 12, a cylinder rod 13, a cylinder rod connecting piece 14, a second fine thread screw rod 15, a first chain 16, a rolling mechanical part 17, a second chain 18, a third chain 19, a three-phase speed reduction motor bottom plate 20 and a three-phase speed reduction motor 21.
As shown in fig. 3, the base frame 6 mainly includes: baseboard 6001, square tube column 6002, rectangular tube vertical rib 6003, rolling mechanical part bottom plate 6004, rectangular tube horizontal rib 6005, shield vertical beam 6006, shield cross beam 6007 and rectangular tube cross beam 6008.
The number of baseboard 6001 is 8, and the number of square tubular stand column 6002 is 8 (four pairs), and the number of rectangular pipe vertical ribs 6003 is 6, and the number of rolling machine part bottom plate 6004 is a plurality of, and the number of rectangular pipe horizontal ribs 6005 is 6, and the number of protection casing vertical beams 6006 is 9, and the number of protection casing cross beams 6007 is 1.
The lower end of each square pipe upright post 6002 is provided with a floor plate 6001. Every two square pipe stands 6002 in every pair of square pipe stands 6002 transversely link firmly through the horizontal muscle 6005 of a rectangular pipe between. The two adjacent pairs of square tube columns 6002 are fixedly connected through two rectangular tube vertical ribs 6003, namely, the left square tube column 6002 in the first pair of square tube columns 6002 is fixedly connected with the left square tube column 6002 in the adjacent second pair of square tube columns 6002 through one rectangular tube vertical rib 6003, the right square tube column 6002 in the first pair of square tube columns 6002 is fixedly connected with the right square tube column 6002 in the adjacent second pair of square tube columns 6002 through another rectangular tube vertical rib 6003, and the like.
Two rectangular tube cross members 6008 are fixed to the upper ends of four square tube columns 6002, i.e., one rectangular tube cross member 6008 is fixed to the upper ends of four left square tube columns 6002, and the other rectangular tube cross member 6008 is fixed to the upper ends of four right square tube columns 6002.
The plurality of rolling mechanical part bottom plates 6004 are all welded and fixed to the two rectangular tube cross members 6008, the number of rolling mechanical part bottom plates 6004 on each rectangular tube cross member 6008 is the same, and the rolling mechanical part bottom plates 6004 on the two rectangular tube cross members 6008 are arranged in a one-to-one correspondence.
And 9 vertical shield beams 6006 are vertically welded and fixed to the outer edge of the right rectangular tube cross beam 6008. The upper ends of the 9 protective cover vertical beams 6006 are respectively welded and fixed by the 1 rectangular pipe cross beam 6007.
As shown in fig. 1 and 2, the hand wheel limiting baffle 2 is welded and fixed on a first pair of square pipe columns 6002 at the front end of the base frame 6. The number of the first fine thread screws 3 is plural. A U-shaped groove is formed in the center of the hand-cranking wheel limiting baffle 2, and the front end of a first fine thread screw rod 3 located at the foremost end of the device penetrates through the U-shaped groove in the center of the hand-cranking wheel limiting baffle 2. The center of the hand-operated wheel 1 is provided with a threaded hole, the front end of a first fine-tooth screw rod 3 positioned at the foremost end of the device is provided with threads, the front end of the first fine-tooth screw rod 3 positioned at the foremost end of the device is connected with the hand-operated wheel 1 through threads, and the hand-operated wheel 1 is in contact with the outer end face of a hand-operated wheel limiting baffle 2 after connection.
The cylinder base plate 9 is welded and fixed on the third square pipe column 6002 of the base frame 6, and the lower end of the cylinder base plate 9 is fixed on the third rectangular pipe vertical rib 6003.
The cylinder ears 10 are fixed on the end face of the cylinder base plate 9, the cylinder ears 11 are connected with the cylinder ears 10, and the cylinders 12 are fixed on the cylinder ears 11. The air cylinder double lugs 10 and the air cylinder single lugs 11 are combined into a whole, and rotation at a certain angle can be realized.
The cylinder rod 13 is a part of the cylinder 12 and is located at the axial center of the cylinder 12. The second fine thread screw 15 is connected to the cylinder rod 13 via a cylinder rod connection 14.
Rolling mechanical components 17 are mounted on a rolling mechanical component bottom plate 6004 on a rectangular tube cross member 6008. The lower end of the rolling mechanical part 17 is connected with the joint bearing 7 through the optical axis fixing ring 5. Each rolling mechanical part 17 corresponds to two rolling mechanical part bottom plates 6004 in a pair, each rolling mechanical part 17 corresponds to two optical axis fixing rings 5, and each rolling mechanical part 17 corresponds to two spherical plain bearings 7.
Two adjacent rolling mechanical components 17 are connected by a first chain 16. At the same time, the rolling mechanism 17 located at the rearmost end of the base frame 6 is itself connected by a third chain 19.
The three-phase speed reduction motor bottom plate 20 is welded and fixed on two rectangular pipe vertical ribs 6003 between the third pair of square pipe columns 6002 and the fourth pair of square pipe columns 6002 of the base frame 6. The three-phase reduction motor 21 is mounted on the three-phase reduction motor base plate 20.
The first chain wheel 8 is mounted on the output shaft of the three-phase reduction motor 21. The first sprocket 8 is connected to a rolling mechanism 17 at the rearmost end of the base frame 6 by a second chain 18.
The protection casing 4 sets up on whole device upper end right side, and protection casing 4 is fixed on the frame that 9 protection casing vertical beams 6006 and 1 protection casing crossbeam 6007 welded are constituteed. All right-hand parts of the rolling mechanical parts 17 are located inside the protective cover 4.
As shown in fig. 4, the rolling mechanical part 17 mainly includes: the device comprises a roller 1701, a first Z-series tensioning sleeve 1702, a first spherical outside surface bearing seat 1703, a second chain wheel 1704, a second Z-series tensioning sleeve 1705, a first optical axis 1706, a third chain wheel 1707, a second spherical outside surface bearing seat 1708, a swinging vertical plate 1709, a second optical axis 1710, a third spherical outside surface bearing seat 1711, a roller fixing plate 1712 and a third optical axis 1713.
Two ends of an inner hole of the roller 1701 are respectively embedded with a first Z series of tensioning sleeves 1702, and the roller 1701 is fixed on the first optical axis 1706 through the two first Z series of tensioning sleeves 1702.
The bearing inner ring of the first spherical bearing block 1703 and the outer shaft of the first optical axis 1706 are assembled and locked, the number of the first spherical bearing blocks 1703 is two, and the two first spherical bearing blocks 1703 are respectively located at two ends of the roller 1701.
The ends of the two first insert bearing blocks 1703 are fixed to the front side of the roller retainer plate 1712.
The second sprocket 1704 includes two sets of gears (inner and outer). A second Z-series tensioning sleeve 1705 is embedded in the inner ring of the second chaining wheel 1704, the second chaining wheel 1704 is fixed on the first optical axis 1706 through the second Z-series tensioning sleeve 1705, and the second chaining wheel 1704 is located at the end of the first optical axis 1706.
The ends of the two third spherical bearing blocks 1711 are fixed to the rear side of the roller fixing plate 1712.
The bearing inner rings of both third spherical bearing blocks 1711 are assembled with the outer shaft of the third optical axis 1713 and locked.
The bearing inner rings of the two second outer spherical bearing blocks 1708 are both fitted and locked with the outer shaft of the third optical axis 1713, and the two second outer spherical bearing blocks 1708 are located outside the two third outer spherical bearing blocks 1711, respectively. The end faces of the second outer spherical bearing blocks 1708 are fixed to the rolling machine component bottom plate 6004 of the base frame 6, and each second outer spherical bearing block 1708 is fixed to a corresponding one of the rolling machine component bottom plates 6004.
The third chain wheel 1707 includes two sets of gears (inner and outer). Third sprocket 1707 has a second Z-series tensioner 1705 embedded in the inner ring, third sprocket 1707 is fixed to third optical axis 1713 by second Z-series tensioner 1705, and third sprocket 1707 is located at the end of third optical axis 1713.
The rear side center position of the roller fixing plate 1712 is provided with a rectangular groove, the swing vertical plate 1709 is fixed in the rectangular groove at the rear side center of the roller fixing plate 1712, and the third optical axis 1713 penetrates through the swing vertical plate 1709 without contacting each other.
The end of swing riser 1709 is provided with a mounting hole, second optical axis 1710 is press-fit into the mounting hole of swing riser 1709, and the lengths of second optical axis 1710 on both sides of swing riser 1709 are equal.
The first sprocket 8 is connected to the inner gear of the third sprocket 1707 of the rolling mechanism 17 at the rearmost end of the base frame 6 by the second chain 18.
The outer gear of the third sprocket 1707 of the rolling mechanism part 17 located at the rearmost end of the base frame 6 is connected to the outer gear of the second sprocket 1704 by a third chain 19.
The second sprocket 1704 of the rolling mechanism part 17 located at the rearmost end of the base frame 6 is connected to the second sprocket 1704 of the adjacent penultimate rolling mechanism part 17 via a first chain 16.
The second sprocket 1704 of the penultimate rolling element 17 is externally connected to the second sprocket 1704 of the penultimate rolling element 17 via a first chain 16, the second sprocket 1704 of the penultimate rolling element 17 is internally connected to the second sprocket 1704 of the penultimate rolling element 17 via a first chain 16, and so on.
As shown in fig. 5, one end of the joint bearing 7 is fitted around the second optical axis 1710, and the other end is screwed to the first fine thread screw 3. The optical axis fixing ring 5 is fitted over the second optical axis 1710, and the optical axis fixing ring 5 is in surface contact with the outer end face of the joint bearing 7. Two joint bearings 7 are symmetrically arranged on a second optical axis 1710 positioned at two sides of the swing vertical plate 1709, and two optical axis fixing rings 5 are symmetrically arranged on the outer end faces of the two joint bearings 7. The spherical plain bearing 7 can be rotated through 360 degrees.
Two adjacent first fine thread screw rods 3 are connected through two joint bearings 7, two optical axis fixing rings 5 and a second optical axis 1710. Specifically, the method comprises the following steps: one first fine thread screw rod 3 is connected with one knuckle bearing 7 at the end part, and the other first fine thread screw rod 3 is connected with the other knuckle bearing 7 at the end part.
The rolling mechanical part 17 positioned at the rearmost end of the base frame 6, the second fine thread screw rod 15 and the rear end of the first fine thread screw rod 3 positioned at the rearmost end of the device are connected through two joint bearings 7 and two optical axis fixing rings 5. Specifically, the method comprises the following steps: the rear end of the first fine thread screw rod 3 positioned at the rearmost end of the device is connected with one joint bearing 7, and the end part of the second fine thread screw rod 15 is connected with the other joint bearing 7.
In this embodiment, the specific model parameters of each component are as follows:
the first fine thread screw 3 is M22 × 1.5 in size.
The specification of the optical axis fixing ring 5 is phi 22.
The knuckle bearing 7 is SI 22.
The specification of the cylinder double-lug 10 is CB 125.
The specification of the cylinder single lug 11 is CB 125.
The cylinders 12 are sized SC125 × 250.
The cylinder rod 13 is sized SC125 × 250.
The second fine thread screw 15 has a specification of M22 × 1.5.
The first chain 16 is 12 A6 minutes in size.
The second chain 18 is 12 A6 minutes in size.
The third chain 19 is 12 A6 minutes in size.
The first insert bearing 1703 is UPCH 206.
The second sprocket 1704 is sized 12 A6 minutes.
The first optical axis 1706 is phi 30.
The third sprocket 1707 has a size of 12 A6 minutes.
The second outer spherical bearing mount 1708 is UPCH 206.
The second optical axis 1710 has a standard of phi 22.
The third spherical bearing block 1711 is UPCH 206.
The third optical axis 1713 is phi 30.
The invention discloses a pipe conveying lifting adjusting device for a numerical control lathe, which can realize the forward and backward movement of a pipe and has the following working principle:
the three-phase reducing motor 21 can rotate in a forward and reverse rotation mode, the first chain wheel 8 is driven to rotate through the motor shaft of the three-phase reducing motor 21, meanwhile, the second chain 18 is driven to rotate, one end of the second chain 18 is connected with the third chain wheel 1707, the third chain wheel 1707 transmits force to the second chain wheel 1704 through the third chain 19, the second chain wheel 1704 transmits the force to the first optical axis 1706 through the second Z-series tensioning sleeve 1705, and the first optical axis 1706 transmits the force to the roller 1701 through the first Z-series tensioning sleeve 1702 to enable the roller 1701 to rotate.
The second chain wheel 1704 rotates to drive the first chain 16 to rotate, the first chain 16 rotates to drive the adjacent rolling mechanical parts 17 to rotate, and the rolling mechanical parts 17 are connected through the first chain 16, so that one rolling mechanical part 17 can drive the next rolling mechanical part 17 to rotate by rotating, the whole set of multiple rollers 1701 can rotate at the same time, and the pipes on the rollers 1701 can move back and forth.
The invention discloses a pipe conveying lifting adjusting device for a numerical control lathe, which can realize the adjustment of the center height of a pipe and has the following working principle:
6 kilograms of air pressure is provided for the air cylinder 12, the air cylinder rod 13 is pushed to move outwards, and meanwhile, the air cylinder rod connecting piece 14, the second fine-thread screw rod 15 and the joint bearing 7 are driven to move forwards; for the radial thrust of the swing vertical plate 1709, since the swing vertical plate 1709, the fixing plate 1712, the first spherical bearing block 1703, the roller 1701 and the third spherical bearing block 1711 are mechanically connected together, the radial thrust is simultaneously applied, the bearing inner rings of the third spherical bearing block 1711 and the third optical axis 1713 are assembled and locked, the radial force is applied, the roller 1701 can only rotate by taking the third optical axis 1713 as an axis, and the roller 1701 rotates by taking the first optical axis 1706 as an axis.
The lower ends of all rolling mechanical parts 17 are connected through the first fine thread screw 3, the joint bearing 7 and the optical axis fixing ring 5, the radial thrust given by the cylinder 12 is transmitted downwards in sequence through the first fine thread screw 3, the joint bearing 7 and the optical axis fixing ring 5, and the sizes of all rolling mechanical parts 17 are the same, so that the rotating radiuses relative to the first optical axis 1706 are the same, and the rotating angles are also the same. By adjusting the rotary hand wheel 1, the moving length of the first fine thread screw rod 3, namely the extending length of the cylinder rod 13 is limited by the hand wheel limit baffle 2, so that the rotation angle of the rolling mechanical part 17 is controlled. The center height of the conveying pipe can be adjusted by controlling the rotation angle of the rolling mechanical part 17.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A tubular product transmission lift adjusting device for numerical control lathe, its characterized in that includes:
a base frame (6);
a front-back movement driving mechanism and a lifting driving mechanism which are arranged at the lower end of the base frame (6);
a plurality of rolling mechanism parts (17) mounted on the upper end of the base frame (6);
two adjacent rolling mechanical parts (17) are connected through a first chain (16);
the rolling mechanical part (17) at the rearmost end of the base frame (6) is connected with the rolling mechanical part by a third chain (19);
the rolling mechanical part (17) positioned at the rearmost end of the base frame (6) is connected with the front-back movement driving mechanism;
the rolling mechanical part (17) positioned at the rearmost end of the base frame (6) is connected with the lifting driving mechanism;
the rolling mechanical parts (17) are connected through a first fine thread screw rod (3), an optical axis fixing ring (5) and a joint bearing (7).
2. The pipe transfer lifting adjustment device for a numerically controlled lathe according to claim 1, characterized in that the base frame (6) comprises: a floor plate (6001), a square pipe upright post (6002), a rectangular pipe vertical rib (6003), a rolling mechanical part bottom plate (6004), a rectangular pipe transverse rib (6005), a protective cover vertical beam (6006), a protective cover cross beam (6007) and a rectangular pipe cross beam (6008);
the number of the floor plates (6001) is 8, the number of the square pipe columns (6002) is 8, the number of the rectangular pipe vertical ribs (6003) is 6, the number of the rolling mechanical part bottom plates (6004) is multiple, the number of the rectangular pipe transverse ribs (6005) is 6, the number of the protective cover vertical beams (6006) is 9, the number of the protective cover cross beams (6007) is 1, and the number of the rectangular pipe cross beams (6008) is two;
the lower end of each square pipe upright post (6002) is provided with a baseboard (6001); two square pipe columns (6002) in each pair of square pipe columns (6002) are transversely and fixedly connected through a rectangular pipe transverse rib (6005); the vertical sides of two adjacent pairs of square pipe columns (6002) are fixedly connected through two rectangular pipe vertical ribs (6003), namely, the left square pipe column (6002) in the first pair of square pipe columns (6002) is fixedly connected with the left square pipe column (6002) in the adjacent second pair of square pipe columns (6002) through one rectangular pipe vertical rib (6003), the right square pipe column (6002) in the first pair of square pipe columns (6002) is fixedly connected with the right square pipe column (6002) in the adjacent second pair of square pipe columns (6002) through the other rectangular pipe vertical rib (6003), and the other things are the same;
two rectangular pipe cross beams (6008) are fixed at the upper ends of four pairs of square pipe upright columns (6002), namely, one rectangular pipe cross beam (6008) is fixed at the upper ends of the four left square pipe upright columns (6002), and the other rectangular pipe cross beam (6008) is fixed at the upper ends of the four right square pipe upright columns (6002);
the rolling mechanical part bottom plates (6004) are welded and fixed on the two rectangular pipe cross beams (6008), the rolling mechanical part bottom plates (6004) on each rectangular pipe cross beam (6008) are identical in number, and the rolling mechanical part bottom plates (6004) on the two rectangular pipe cross beams (6008) are arranged in a one-to-one correspondence manner;
the 9 vertical protective cover beams (6006) are vertically welded and fixed on the outer edge of the right rectangular tube beam (6008); the upper ends of 9 protective cover vertical beams (6006) are welded and fixed by 1 rectangular tube cross beam (6007).
3. The pipe conveying lifting adjusting device for the numerically controlled lathe according to claim 2, further comprising a shield (4) fixed on a frame formed by welding 9 shield vertical beams (6006) and 1 shield cross beam (6007).
4. The pipe conveying lifting adjusting device for the numerically controlled lathe according to claim 2, wherein the forward-backward movement driving mechanism includes: the device comprises a first chain wheel (8), a second chain (18), a three-phase speed reducing motor bottom plate (20) and a three-phase speed reducing motor (21); a three-phase speed reducing motor bottom plate (20) is welded and fixed on two rectangular pipe vertical ribs (6003) between a third square pipe upright post (6002) and a fourth square pipe upright post (6002) of the base frame (6); the three-phase speed reducing motor (21) is arranged on a three-phase speed reducing motor bottom plate (20); the first chain wheel (8) is arranged on an output shaft of the three-phase speed reducing motor (21); the first chain wheel (8) is connected with a rolling mechanical part (17) positioned at the rearmost end of the base frame (6) through a second chain (18).
5. The pipe conveying lift adjustment device for the numerically controlled lathe according to claim 4, wherein the lift drive mechanism includes: the device comprises a hand-operated wheel (1), a hand-operated wheel limit baffle (2), a cylinder base plate (9), a cylinder double lug (10), a cylinder single lug (11), a cylinder (12), a cylinder rod (13), a cylinder rod connecting piece (14) and a second fine thread screw rod (15); the hand-cranking wheel limiting baffle (2) is welded and fixed on a first pair of square pipe stand columns (6002) at the front end of the base frame (6); a U-shaped groove is formed in the center of the hand-operated wheel limiting baffle (2), and the front end of a first fine thread screw rod (3) positioned at the foremost end of the device penetrates through the U-shaped groove in the center of the hand-operated wheel limiting baffle (2); the front end of a first fine-thread screw rod (3) positioned at the foremost end of the device is in threaded connection with a hand-operated wheel (1), and the hand-operated wheel (1) is in contact with the outer end face of a hand-operated wheel limit baffle (2); a cylinder base plate (9) is welded and fixed on a third square pipe upright post (6002) of the base frame (6), and the lower end of the cylinder base plate (9) is fixed on a third rectangular pipe vertical rib (6003); the air cylinder double lugs (10) are fixed on the end face of the air cylinder base plate (9), the air cylinder single lug (11) is connected with the air cylinder double lugs (10), and the air cylinder (12) is fixed on the air cylinder single lug (11); a cylinder rod (13) of the cylinder (12) is positioned at the axle center of the cylinder (12); the second fine thread screw rod (15) is connected with the cylinder rod (13) through a cylinder rod connecting piece (14).
6. The pipe transfer lift adjustment device for the numerically controlled lathe according to claim 5, characterized in that the rolling mechanical parts (17) are mounted on rolling mechanical part bottom plates (6004) on two rectangular pipe cross members (6008); the lower end of the rolling mechanical part (17) is connected with the joint bearing (7) through an optical axis fixing ring (5); each rolling mechanical component (17) corresponds to two paired rolling mechanical component bottom plates (6004), each rolling mechanical component (17) corresponds to two optical axis fixing rings (5), and each rolling mechanical component (17) corresponds to two joint bearings (7).
7. The pipe transfer lifting adjustment device for a numerically controlled lathe according to claim 6, characterized in that the rolling mechanical part (17) comprises: the device comprises a roller (1701), a first Z-series tensioning sleeve (1702), a first spherical outside bearing seat (1703), a second chain wheel (1704), a second Z-series tensioning sleeve (1705), a first optical axis (1706), a third chain wheel (1707), a second spherical outside bearing seat (1708), a swinging vertical plate (1709), a second optical axis (1710), a third spherical outside bearing seat (1711), a roller fixing plate (1712) and a third optical axis (1713);
the two ends of an inner hole of an axle of the roller (1701) are respectively embedded with a first Z series of tensioning sleeves (1702), and the roller (1701) is fixed on a first optical axis (1706) through the two first Z series of tensioning sleeves (1702);
assembling and locking a bearing inner ring of a first insert bearing seat (1703) and an outer shaft of a first optical axis (1706), wherein the number of the first insert bearing seats (1703) is two, and the two first insert bearing seats (1703) are respectively positioned at two ends of a roller (1701);
the end parts of the two first insert bearing seats (1703) are fixed on the front side surface of the roller fixing plate (1712);
the second chain wheel (1704) includes an inner gear and an outer gear; a second Z-series tensioning sleeve (1705) is embedded in the inner ring of the second chain wheel (1704), the second chain wheel (1704) is fixed on the first optical axis (1706) through the second Z-series tensioning sleeve (1705), and the second chain wheel (1704) is positioned at the end part of the first optical axis (1706);
the end parts of the two third external spherical surface bearing seats (1711) are fixed on the rear side surface of the roller fixing plate (1712);
assembling and locking bearing inner rings of the two third insert bearing seats (1711) with an outer shaft of a third optical axis (1713);
the bearing inner rings of the two second spherical outside surface bearing seats (1708) are assembled and locked with the outer shaft of the third optical axis (1713), and the two second spherical outside surface bearing seats (1708) are respectively positioned at the outer sides of the two third spherical outside surface bearing seats (1711); the end surfaces of the second spherical bearing seats (1708) are fixed on a rolling mechanical part bottom plate (6004) of the base frame (6), and each second spherical bearing seat (1708) is correspondingly fixed on one rolling mechanical part bottom plate (6004);
the third chain wheel (1707) includes an inner gear and an outer gear; a second Z-series tensioning sleeve (1705) is embedded in the inner ring of the third chain wheel (1707), the third chain wheel (1707) is fixed on a third optical axis (1713) through the second Z-series tensioning sleeve (1705), and the third chain wheel (1707) is positioned at the end part of the third optical axis (1713);
a rectangular groove is formed in the center of the rear side face of the roller fixing plate (1712), the swinging vertical plate (1709) is fixed in the rectangular groove in the center of the rear side face of the roller fixing plate (1712), the third optical axis (1713) penetrates through the swinging vertical plate (1709), and the third optical axis (1713) is not in contact with the swinging vertical plate (1709);
the end part of the swinging vertical plate (1709) is provided with a mounting hole, a second optical axis (1710) is press-fitted into the mounting hole of the swinging vertical plate (1709), and the lengths of the second optical axis (1710) positioned at the two sides of the swinging vertical plate (1709) are equal;
the first chain wheel (8) is connected with an internal gear of a third chain wheel (1707) in a rolling mechanical part (17) at the rearmost end of the base frame (6) through a second chain (18);
the outer rack of the third chain wheel (1707) in the rolling mechanical part (17) at the rearmost end of the base frame (6) is connected with the outer gear of the second chain wheel (1704) through a third chain (19);
the gear of the second chain wheel (1704) in the rolling mechanical part (17) positioned at the rearmost end of the base frame (6) is connected with the gear of the second chain wheel (1704) in the adjacent penultimate rolling mechanical part (17) through a first chain (16);
the external gear of the second sprocket (1704) in the last but one rolling machine component (17) is connected with the external gear of the second sprocket (1704) in the last but one rolling machine component (17) through a first chain (16), the internal gear of the second sprocket (1704) in the last but one rolling machine component (17) is connected with the internal gear of the second sprocket (1704) in the last four rolling machine component (17) through a first chain (16), and so on.
8. The pipe conveying lifting adjusting device for the numerically controlled lathe according to claim 7, wherein one end of the knuckle bearing (7) is sleeved on the second optical axis (1710); the optical axis fixing ring (5) is sleeved on the second optical axis (1710), and the optical axis fixing ring (5) is in contact with the outer end face of the joint bearing (7); two joint bearings (7) are symmetrically arranged on second optical axes (1710) positioned at two sides of the swing vertical plate (1709), and two optical axis fixing rings (5) are symmetrically arranged on the outer end faces of the two joint bearings (7).
9. The pipe conveying lifting adjusting device for the numerically controlled lathe according to claim 8, wherein the number of the first fine thread screws (3) is multiple, two adjacent first fine thread screws (3) are connected through two joint bearings (7), two optical axis fixing rings (5) and a second optical axis (1710), one end of one first fine thread screw (3) is connected with one joint bearing (7), and the other end of the other first fine thread screw (3) is connected with the other joint bearing (7).
10. The pipe conveying lifting adjusting device for the numerically controlled lathe according to claim 8, wherein the rolling mechanical part (17) located at the rearmost end of the base frame (6), the second fine thread screw (15), and the rear end of the first fine thread screw (3) located at the rearmost end of the device are connected through two joint bearings (7) and two optical axis fixing rings (8), the rear end of the first fine thread screw (3) located at the rearmost end of the device is connected with one joint bearing (7), and the end of the second fine thread screw (15) is connected with the other joint bearing (7).
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| CN201911139101.6A CN110834101B (en) | 2019-11-20 | 2019-11-20 | Pipe conveying lifting adjusting device for numerical control lathe |
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| CN201911139101.6A CN110834101B (en) | 2019-11-20 | 2019-11-20 | Pipe conveying lifting adjusting device for numerical control lathe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441982A (en) * | 2020-12-31 | 2021-09-28 | 江苏泰源数控机床有限公司 | Full-automatic pipe fitting machining equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113441982A (en) * | 2020-12-31 | 2021-09-28 | 江苏泰源数控机床有限公司 | Full-automatic pipe fitting machining equipment |
| CN113441982B (en) * | 2020-12-31 | 2022-05-27 | 江苏泰源数控机床有限公司 | Full-automatic pipe fitting machining equipment |
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| CN110834101B (en) | 2020-10-16 |
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