CN113510518B - Steel pipe sizing pay-off servo - Google Patents
Steel pipe sizing pay-off servo Download PDFInfo
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- CN113510518B CN113510518B CN202110544926.7A CN202110544926A CN113510518B CN 113510518 B CN113510518 B CN 113510518B CN 202110544926 A CN202110544926 A CN 202110544926A CN 113510518 B CN113510518 B CN 113510518B
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- lathe bed
- feeding
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- proximity switch
- seat
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 41
- 239000010959 steel Substances 0.000 title claims abstract description 41
- 238000004513 sizing Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims abstract description 32
- 210000000078 claw Anatomy 0.000 claims description 29
- 239000003638 chemical reducing agent Substances 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 8
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000008092 positive effect Effects 0.000 abstract description 2
- 230000011664 signaling Effects 0.000 description 13
- 239000002131 composite material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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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
- B23Q7/005—Lifting devices
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Feeding Of Workpieces (AREA)
- Accessories And Tools For Shearing Machines (AREA)
Abstract
The steel pipe sizing and feeding servo device comprises a lathe bed, wherein a plurality of feeding roller devices are arranged in the lathe bed and are arranged along the length direction of the lathe bed, the feeding roller devices are arranged on the lathe bed through bearing seats, a feeding trolley capable of moving along the length direction of the lathe bed is arranged on the upper side of the lathe bed, and a clamping mechanism is arranged on the feeding trolley. The invention has the positive effects that: according to the steel pipe sizing and feeding servo device, the feeding roller device for feeding the pipe is arranged on the machine body, the machine body can be rotated and lifted through the lifting device, collision with the clamping fixture in the feeding process is avoided, the material blocking positioning device for positioning the pipe and the feeding trolley for clamping and feeding are further arranged on the machine body, accurate positioning and cutting of the pipe can be achieved, the qualification rate of the product can be effectively guaranteed on the premise of improving the feeding efficiency, and the operation efficiency of cutting the whole pipe is greatly improved.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment for conveying and cutting off tube blanks, in particular to a steel tube sizing and feeding servo device.
Background
In the operation of carrying out tubular product cutting, except the pipe cutting machine of necessity, still need tubular product advancing device, current tubular product advancing device is mostly in same level's position department with the clamping anchor clamps of pipe cutting machine, tubular product in the horizontal feeding in-process bump with clamping anchor clamps easily, in addition current advancing device still has inefficiency, influence the shortcoming that factor of location is more, can't realize quick accurate location cutting operation, can not guarantee stable product qualification rate, the very big influence to the pipe cutting operation brings.
Disclosure of Invention
The invention aims to provide a steel pipe sizing and feeding servo device, wherein a machine body for feeding a pipe can rotate to rise to a certain position as required, collision with a clamping fixture is avoided, and a material blocking positioning device for positioning the pipe and a feeding trolley for clamping and feeding are further arranged on the machine body, so that accurate positioning and cutting of the pipe are ensured, and the problems in the prior art are solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a steel pipe fixed-length feeding servo device which comprises a lathe bed, wherein a plurality of feeding roller devices are arranged in the lathe bed, the feeding roller devices are arranged along the length direction of the lathe bed, the feeding roller devices are arranged on the lathe bed through bearing seats, a feeding trolley capable of moving along the length direction of the lathe bed is arranged on the upper side of the lathe bed, a clamping mechanism is arranged on the feeding trolley, the clamping mechanism comprises a telescopic oil cylinder arranged on the feeding trolley, the end parts of the telescopic oil cylinder and the end parts of a piston rod are hinged with a clamping assembly, one end of the lathe bed is provided with a hinged seat, the bottom of the lathe bed far away from one end of the hinged seat is provided with a lifting device, the lifting device can enable the lathe bed to rotate and lift at the hinged seat, and the lathe bed is further provided with a material blocking positioning device which is connected with the feeding trolley through a control circuit. The bearing seat is internally provided with a roller shaft in a matched mode, the roller shaft is sleeved with a roller, a first motor and a first speed reducer are further arranged on the side portion of the lathe bed corresponding to the position of the roller shaft, an output shaft of the first speed reducer is connected with the end portion of the roller shaft, and a positioning groove matched with the steel pipe is further formed in the roller. The upper part of the lathe bed is provided with a sliding rail arranged along the length direction of the lathe bed, the bottom of the feeding trolley is provided with a sliding block matched with the sliding rail, the feeding trolley is also provided with a second motor and a second speed reducer, an output shaft of the second speed reducer is provided with a driving gear, the side surface of the lathe bed is provided with a rack meshed with the driving gear, and the second motor can start to drive the feeding trolley to move on the sliding rail. The clamping assembly comprises a swing arm, a vertical shaft, a sleeve and clamping jaws, wherein one end of the swing arm is hinged to the telescopic oil cylinder, the other end of the swing arm is provided with the vertical shaft, the vertical shaft is positioned in the sleeve, the clamping jaws are arranged at the bottom end of the vertical shaft extending out of the sleeve, the vertical shafts of the two-side clamping assemblies are also provided with mutually meshed synchronous sector gears, and the telescopic function of a piston rod in the telescopic oil cylinder can drive the clamping jaws on the two-side clamping assemblies to approach or separate. Install the first proximity switch that the level set up on the pay-off dolly, first proximity switch corresponds the lateral part of swing arm, still installs the second proximity switch of vertical setting on the pay-off dolly, installs the shielding plate that can shelter from the second proximity switch on the swing arm, when the jack catch of both sides keeps away from each other and opens, first proximity switch detects the swing arm, and when the jack catch of both sides is close to empty clamp each other, the shielding plate is no longer in second proximity switch upside. Still install steel pipe clamp signal switching device in the jack catch, steel pipe clamp signal switching device is including seting up the spout in the jack catch, installs the signaling axle in the spout, signaling axle's periphery be equipped with spout matched with spacing ring, signaling axle periphery cover between spacing ring and the spout is equipped with first spring, and first spring has the trend that makes signaling axle one side tip stretch out the jack catch all the time, corresponds to signaling axle opposite side's tip position, still installs the third proximity switch on the jack catch, and the jack catch presss from both sides when signaling axle enters into the spout completely compression first spring on the steel pipe, and the tip position of signaling axle can be detected to the third proximity switch, still install on the jack catch with signaling axle matched with guide block. The hinge seat comprises a rotating shaft bracket, a large rotating shaft is matched and installed between the rotating shaft bracket and the lathe bed, a spacer bush is sleeved on the periphery of the large rotating shaft between the rotating shaft bracket and the lathe bed, a composite sleeve is arranged on the periphery of the large rotating shaft at the position of the lathe bed, an end cover is arranged at one end of the large rotating shaft penetrating out of the rotating shaft bracket, an anti-rotating groove is formed at the other end of the large rotating shaft, and an anti-rotating baffle matched with the anti-rotating groove is installed on the rotating shaft bracket. The lifting device comprises a lathe bed bracket, a lower shaft seat is arranged on the lathe bed bracket, an upper shaft seat corresponding to the lower shaft seat is arranged at the bottom of the lathe bed, a lifting oil cylinder is hinged between the lower shaft seat and the upper shaft seat, a base is further arranged on the lathe bed bracket, a fourth proximity switch is arranged on the base, a first sensing block corresponding to the fourth proximity switch is arranged at the bottom of the lathe bed, and an adjusting pad is further arranged between the lower shaft seat and the lathe bed bracket. The material blocking positioning device comprises a material blocking oil cylinder hinged to a lathe bed, a sliding plate is mounted on a piston rod of the material blocking oil cylinder, a material blocking fixing seat is mounted on the lathe bed, sliding ways are mounted on two sides of the front end of the material blocking fixing seat, vertical sliding grooves matched with the sliding plate are formed in the sliding ways, an avoidance groove is further formed in the upper end of the material blocking fixing seat, a limiting plate is hinged to the upper portion of the sliding plate, a second sensing block is mounted at the upper end of the inner side of the limiting plate, a fifth proximity switch is mounted on the sliding plate corresponding to the position of the second sensing block, a pin is mounted on the limiting plate at the lower side of the second sensing block, a second spring corresponding to the pin is mounted on the sliding plate, and the second spring always has a trend of enabling the second sensing block to be far away from the fifth proximity switch, wherein the fifth proximity switch is connected with a feeding trolley through a control circuit. The lathe bed is also provided with a sensor support, the sensor support is provided with an electromagnetic sensor, the electromagnetic sensor is positioned between the material blocking positioning device and the hinging seat, and the electromagnetic sensor is connected with the feeding roller device through a control circuit.
The invention has the positive effects that: according to the steel pipe sizing and feeding servo device, the feeding roller device for feeding the pipe is arranged on the machine body, the machine body can be rotated and lifted through the lifting device, collision with the clamping fixture in the feeding process is avoided, the material blocking positioning device for positioning the pipe and the feeding trolley for clamping and feeding are further arranged on the machine body, accurate positioning and cutting of the pipe can be achieved, the qualification rate of the product can be effectively guaranteed on the premise of improving the feeding efficiency, and the operation efficiency of cutting the whole pipe is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged view of the cross-sectional view taken along line A-A in FIG. 1;
FIG. 4 is an enlarged view of the view B in FIG. 2;
FIG. 5 is an enlarged view of the view C in FIG. 1;
fig. 6 is a schematic view showing a state in which the jaws of fig. 5 clamp a steel pipe;
FIG. 7 is an enlarged view of a portion of I in FIG. 6;
FIG. 8 is an enlarged view of the D-D cross-sectional view of FIG. 1;
FIG. 9 is an enlarged view of E-E of FIG. 2 rotated 90 degrees clockwise in cross-section;
FIG. 10 is an enlarged view of the F-direction view of FIG. 2;
FIG. 11 is an enlarged view of part of II in FIG. 10;
FIG. 12 is an enlarged view of the G-G of FIG. 2 rotated 90 degrees counterclockwise in cross-section;
FIG. 13 is a schematic view of the structure of the lifting device;
fig. 14 is a top view of the dam positioning device.
Detailed Description
The invention relates to a steel pipe sizing and feeding servo device, which is shown in fig. 1 and 2, and comprises a lathe bed 1, wherein a plurality of feeding roller devices 2 are arranged in the lathe bed 1, and the feeding roller devices 2 are arranged along the length direction of the lathe bed 1, so that the moving feeding of pipes on the lathe bed 1 can be realized. The feeding trolley 3 capable of moving along the length direction of the body 1 is arranged on the upper side of the lathe bed 1, the clamping mechanism 4 is arranged on the feeding trolley 3, and the clamping mechanism 4 can realize positioning grabbing of pipes and feeding the pipes into the pipe cutting machine. One end of the lathe bed 1 is provided with a hinging seat 5, the bottom of the lathe bed 1 far away from one end of the hinging seat 5 is provided with a lifting device 6, and the lifting device 6 can enable the lathe bed 1 to rotate and lift at the position of the hinging seat 5, so that a pipe fed into the pipe cutting machine is slightly higher than a clamping fixture, collision with the clamping fixture is avoided, and normal cutting operation of the pipe is realized. The machine body 1 is also provided with a material blocking and positioning device 7, the material blocking and positioning device 7 is connected with the feeding trolley 3 through a control circuit, the material blocking and positioning device 7 can realize stop positioning of the pipe on the machine body 1 and send a signal to the feeding trolley 3, so that the feeding trolley 3 can grab and feed the positioned pipe.
Before the whole construction, the steel pipe sizing and feeding servo device is characterized in that the stop positioning device 7 is lifted on the lathe bed 1, the clamping mechanism 4 on the feeding trolley 3 is in an open state, the lifting device 6 is in an unstuck state, the lathe bed 1 is in a horizontal position, and the feeding trolley 3 is at the rightmost end position of the lathe bed 1. When a pipe blank enters the machine body 1, the feeding roller device 2 continuously forwards conveys the pipe blank through rolling friction force until the pipe blank is stopped by the stop positioning device 7, at the moment, the stop positioning device 7 sends out a signal, the pipe blank is precisely positioned, then the feeding trolley 3 moves to the pipe blank, the clamping mechanism 4 clamps the pipe, the stop positioning device 7 falls down, the lifting device 6 lifts the machine body 1 to a certain height, then the feeding trolley 3 conveys the pipe blank to a preset position on the pipe cutting machine, after the feeding is finished, the lifting device 6 falls back, the machine body 1 returns to the initial position, the pipe blank falls to the clamping fixture of the pipe cutting machine to finish subsequent cutting operation, the pipe sizing feeding servo device returns to the initial state of feeding again, and the positioning feeding cutting processing of the pipe is finished after the operation is repeated, and the whole implementation process is rapid, precise, safe, reliable and efficient.
Further, as shown in fig. 3, the feeding roller device 2 includes a bearing seat 20 disposed on the machine body 1, a roller shaft 21 is mounted in the bearing seat 20 in a matching manner, a roller 22 is sleeved on the roller shaft 21, a first motor 23 and a first speed reducer 24 are further mounted on the side portion of the machine body 1 corresponding to the position of the roller shaft 21, an output shaft of the first speed reducer 24 is connected with the end portion of the roller shaft 21, the first motor 23 is started to drive the roller 22 to rotate, and feeding of the pipe is achieved by means of friction between the roller 22 and the pipe. Wherein in order to facilitate the placement of the pipe on the roller 22 and avoid the detachment of the pipe blank from the roller 22 during the feeding process, the roller 22 is further provided with a positioning groove 25 matched with the steel pipe.
Further, as shown in fig. 1 and 3, a sliding rail 10 arranged along the length direction of the lathe bed 1 is installed at the upper part of the lathe bed 1, a sliding block 30 matched with the sliding rail 10 is installed at the bottom of the feeding trolley 3, a second motor 31 and a second speed reducer 32 are also installed on the feeding trolley 3, a driving gear 33 is installed on an output shaft of the second speed reducer 32, a rack 11 meshed with the driving gear 33 is installed on the side surface of the lathe bed 1, the second motor 31 is started to drive the feeding trolley 3 to move on the sliding rail 10, and further conveying of the feeding trolley 3 to pipe blanks from the lathe bed 1 to a pipe cutting machine is achieved.
As shown in fig. 4 and 5, the clamping mechanism 4 comprises a telescopic cylinder 40 arranged on the feeding trolley 3, the end part of the telescopic cylinder 40 and the end part of a piston rod are both hinged with clamping assemblies, the clamping assemblies comprise a swing arm 41, a vertical shaft 42, a sleeve 43 and a claw 44, one end of the swing arm 41 is hinged with the telescopic cylinder 40, the other end of the swing arm 41 is provided with the vertical shaft 42, the vertical shaft 42 is positioned in the sleeve 43, the claw 44 is arranged at the bottom end of the vertical shaft 42 extending out of the sleeve 43, the vertical shafts 42 of the two-side clamping assemblies are also provided with mutually meshed synchronous sector gears 45, and the expansion and contraction of the piston rod in the telescopic cylinder 40 can drive the claw 44 on the two-side clamping assemblies to approach or separate. Fig. 5 shows that the claws 44 are in a separated state and not clamp the pipe, and fig. 6 shows that the claws 44 clamp the pipe, that is, the piston rod of the telescopic cylinder 40 extends to drive the swing arm 41 to rotate clockwise in the direction shown in fig. 5, and the claws 44 on two sides can approach each other to clamp the pipe under the drive of the vertical shaft 42. The synchronous sector gear 45 can ensure that clamping assemblies on two sides can synchronously clamp or loosen, and accurate clamping of pipe blanks is realized.
Further, in order to accurately detect whether the claws 44 clamp the pipe, the feeding trolley 3 is provided with a first proximity switch 46 horizontally arranged, the first proximity switch 46 corresponds to the side part of the swing arm 41, the feeding trolley 3 is also provided with a second proximity switch 47 vertically arranged, the swing arm 41 is provided with a shielding plate 48 capable of shielding the second proximity switch 47, when the claws 44 on two sides are far away from each other and open, that is, in a state shown in fig. 5, the first proximity switch 46 detects the swing arm 41, and when the claws 44 on two sides are close to each other and clamp empty, the shielding plate 48 is not positioned on the upper side of the second proximity switch 47.
The first proximity switch 46 and the second proximity switch 47 are configured to display whether the claw 44 is in any state position according to whether a signal is detected, and three situations are as follows: 1 the first proximity switch 46 detects the signal, the second proximity switch 47 detects the signal, the claw 44 is in the open state shown in fig. 5, 2 the first proximity switch 46 does not detect the signal, the second proximity switch 47 detects the signal, the claw 44 is in the state of clamping the pipe shown in fig. 6, 3 the first proximity switch 46 does not detect the signal, the second proximity switch 47 does not detect the signal, and the claws 44 at two sides are in close contact with each other and are in the empty clamping state.
Further, in order to send a safety signal to the control device when the claw 44 clamps and conveys the pipe, and ensure the safe operation of the feeding trolley 3 in the pipe blank clamping state, as shown in fig. 7, a steel pipe clamping signal switching device 8 is also arranged in the claw 44. As shown in fig. 7, the steel tube clamping signal switch device 8 includes a chute 80 provided in the claw 44, a transmitting shaft 81 is installed in the chute 80, a limiting ring 82 matched with the chute 80 is provided on the outer periphery of the transmitting shaft 81, a first spring 83 is sleeved on the outer periphery of the transmitting shaft 81 between the limiting ring 82 and the chute 80, and the first spring 83 always has a tendency to make one side end of the transmitting shaft 81 extend out of the claw 44. A third proximity switch 84 is further mounted on the claw 44 corresponding to the end position of the other side of the signaling shaft 81, and when the claw 44 clamps the steel pipe and the signaling shaft 81 completely enters the chute 80 to compress the first spring 83, the third proximity switch 84 can detect the end position of the signaling shaft 81, and further sends a safety signal to the control device. In order that the end of the signalling shaft 81 can be extended smoothly and detected by the third proximity switch 84 when the jaws 44 contact the tubing to compress the first spring 83, the jaws 44 are further provided with guide blocks 85 cooperating with the signalling shaft 81.
Further, as shown in fig. 8, the hinge seat 5 includes a spindle bracket 50, a large spindle 51 is cooperatively installed between the spindle bracket 50 and the machine tool 1, and when the lifting device 6 lifts the machine tool 1, the machine tool 1 rotates relative to the large spindle 51. In order to reduce friction among the lathe bed 1, the rotating shaft bracket 50 and the large rotating shaft 51 during rotation, a spacer 52 is sleeved on the periphery of the large rotating shaft 51 between the rotating shaft bracket 50 and the lathe bed 1, and a composite sleeve 53 is arranged on the periphery of the large rotating shaft 51 at the position of the lathe bed 1. In order to avoid the rotation of the large rotating shaft 51 when the lathe bed 1 rotates relative to the hinging seat 5, one end of the large rotating shaft 51 penetrating out of the rotating shaft bracket 50 is provided with an end cover 54, the other end of the large rotating shaft 51 is provided with an anti-rotation groove 55, and the rotating shaft bracket 50 is provided with an anti-rotation baffle 56 matched with the anti-rotation groove 55.
Further, as shown in fig. 13, the lifting device 6 includes a bed bracket 60, a lower shaft seat 61 is installed on the bed bracket 60, an upper shaft seat 62 corresponding to the lower shaft seat 61 is installed at the bottom of the bed 1, a lifting cylinder 63 is hinged between the lower shaft seat 61 and the upper shaft seat 62, and a piston rod of the lifting cylinder 63 extends to drive the bed 1 to rotate and lift at a certain position. The bed bracket 60 is also provided with a base 64, the base 64 is provided with a fourth proximity switch 65, the bottom of the bed 1 is provided with a first sensing block 66 corresponding to the fourth proximity switch 65, when the bed 1 falls onto the base 64, the fourth proximity switch 65 can detect the first sensing block 66, that is, the lifting device 6 is not in a lifted state of the bed 1, and when the bed 1 is rotated and lifted, the fourth proximity switch 65 cannot detect the first sensing block 66, that is, the control device can detect the position of the lifting device 6 in real time, so that the subsequent operation can be conveniently performed. In order to facilitate the adjustment of the distance between the height position of the bed 1 to be lifted, an adjustment pad 67 is further installed between the lower shaft seat 61 and the bed bracket 60, and the adjustment pad 67 can adjust the height of the initial installation position of the lifting cylinder 63.
Further, the method comprises the steps of. As shown in fig. 9 and 10, the material blocking and positioning device 7 includes a material blocking cylinder 70 hinged on the machine body 1, a sliding plate 71 is installed on a piston rod of the material blocking cylinder 70, a material blocking fixing seat 78 is installed on the machine body 1, sliding ways 72 are installed on two sides of the front end of the material blocking fixing seat 78, as shown in fig. 14, vertical sliding grooves 79 matched with the sliding plate 71 are formed in the sliding ways 72, an avoidance groove 710 is formed in the upper end of the material blocking fixing seat 78, and the arrangement of the avoidance groove 710 enables steel pipe blanks to be smoothly conveyed on the machine body 1. The upper part of the sliding plate 71 is hinged with a limiting plate 73, a piston rod of the material blocking oil cylinder 70 extends out, and the limiting plate 73 can move to a steel pipe conveying position on the lathe bed 1 to stop the steel pipe conveying position. As shown in fig. 11, a second sensing block 74 is mounted at the upper end of the inner side of the limiting plate 73, a fifth proximity switch 75 is mounted on the sliding plate 71 corresponding to the position of the second sensing block 74, a pin 76 is mounted on the limiting plate 73 at the lower side of the second sensing block 74, a second spring 77 corresponding to the pin 76 is mounted on the sliding plate 71, the second spring 77 always has a tendency to enable the second sensing block 74 to be far away from the fifth proximity switch 75, and the fifth proximity switch 75 is connected with the feeding trolley 3 through a control circuit. The limiting plate 73 in a normal state is far away from the fifth proximity switch 75, once a steel pipe is cut off, the steel pipe can push the limiting plate 73 to move to the fifth proximity switch 75 to be detected, a pipe sending signal is accurately positioned, and then the feeding trolley 3 is used for grabbing the positioned pipe and conveying the pipe into the pipe cutting machine.
The height position of the limiting plate 73 is lower than that of the steel pipe blank, when the steel pipe blank moves towards the direction of the limiting plate 73 on the stop positioning device 7, the upper side portion of the limiting plate 73 can be preferentially touched, namely, the positions corresponding to the second sensing block 74 and the second spring 77, and after the hinged position of the limiting plate 73 is at the lower portion and the steel pipe blank at the higher position is contacted with the limiting plate 73 at the lower position in the moving process, the limiting plate 73 can drive the second sensing block 74 to rotate and be detected by the fifth proximity switch 75.
Further, in order to reduce the conveying speed of the pipe material just before the steel pipe blank is stopped by the stop positioning device 7 in the conveying process, hard contact with the stop positioning device 7 is avoided, as shown in fig. 12, a sensor bracket 12 is further mounted on the machine body 1, an electromagnetic sensor 13 is mounted on the sensor bracket 12, the electromagnetic sensor 13 is located between the stop positioning device 7 and the hinging seat 5, and the electromagnetic sensor 13 is connected with the feeding roller device 2 through a control circuit. The electromagnetic sensor 13 can detect the passing of the pipe and send a signal to the feeding roller device 2 to reduce the speed of the pipe, so as to achieve the purpose of reducing the conveying speed of the pipe.
Wherein each functional unit in the steel pipe sizing pay-off servo mutually, orderly cooperates and has guaranteed accurate location and the quick transport of pipe material. The lathe bed 1 is a basic part of the whole servo device, and the reasonable internal structure ensures the good rigidity of the whole device and ensures the accuracy of the running direction and the running position of the tube blank; when a pipe blank is fed, a feeding roller device 2 in the lathe bed 1 provides forward running power for the pipe blank and ensures the running track of the pipe blank; the electromagnetic sensor 13 ensures that the pipe blank sends out a signal when approaching the material blocking positioning device 7, controls the first motor 23 to reduce the running speed of the pipe blank, and protects the material blocking positioning device 7 from being damaged by larger impact force; the stop positioning device 7 has the functions of stopping and positioning the tube blank, and a signal switch arranged on the stop positioning device 7 provides a tube blank positioned signal for the whole device, the stop positioning device 7 is provided with a stop oil cylinder 70, a limiting plate 73 can be jacked up and dropped, the stop positioning device is used for stopping and positioning the tube blank during jacking, and the tube blank is conveyed forwards during dropping; the feeding trolley 3 moves back and forth on the lathe bed 1 through a sliding rail and a sliding block, a clamping mechanism 4 is arranged on the feeding trolley 3, a telescopic oil cylinder 40 is arranged on the clamping mechanism 4, blanks are clamped through leverage, a signal switch is arranged on a claw 44, a safety signal is sent out during clamping, and the feeding trolley 3 is ensured to safely run in a blank clamping state; the second motor 31 mainly provides power for the feeding trolley 3 and accurately feeds according to preset data when various safety instructions are sent out; the gear rack converts the rotation power of the servo speed reducer into the linear motion of the feeding trolley 3; the rotating shaft bracket 50 supports one end of the whole lathe bed 1 through a rotating shaft, and the lathe bed 1 can rotate at a small angle on the rotating shaft; before the pipe blank is conveyed forward by the lifting device 6, the lifting device 6 supports the lathe bed 1 by a set angle and sends out a signal at the same time, so that the abrasion between the pipe blank and a fixture is prevented during conveying.
The technical scheme of the invention is not limited to the scope of the embodiments of the invention. The technical content that is not described in detail in the invention is known in the prior art.
Claims (8)
1. A steel pipe sizing pay-off servo unit, its characterized in that: the automatic feeding device comprises a lathe bed (1), wherein a plurality of feeding roller devices (2) are arranged in the lathe bed (1), the feeding roller devices (2) are arranged along the length direction of the lathe bed (1), the feeding roller devices (2) are arranged on the lathe bed (1) through bearing seats (20), a feeding trolley (3) capable of moving along the length direction of the lathe bed (1) is arranged on the upper side of the lathe bed (1), a clamping mechanism (4) is arranged on the feeding trolley (3), the clamping mechanism (4) comprises a telescopic oil cylinder (40) arranged on the feeding trolley (3), the end part of the telescopic oil cylinder (40) and the end part of a piston rod are hinged with clamping assemblies, a hinged seat (5) is arranged at one end of the lathe bed (1), a lifting device (6) is arranged at the bottom of the lathe bed (1) far away from one end of the hinged seat (5), the lifting device (6) can enable the lathe bed (1) to rotate and lift at the position of the hinged seat (5), a material blocking and positioning device (7) is further arranged on the lathe bed (1), and the material blocking and positioning device (7) are connected with the feeding trolley (3) through a control circuit;
the clamping assembly comprises a swing arm (41), a vertical shaft (42), a sleeve (43) and a claw (44), wherein one end of the swing arm (41) is hinged to the telescopic oil cylinder (40), the other end of the swing arm (41) is provided with the vertical shaft (42), the vertical shaft (42) is positioned in the sleeve (43), the claw (44) is arranged at the bottom end of the vertical shaft (42) extending out of the sleeve (43), the vertical shaft (42) of the two-side clamping assembly is also provided with a synchronous sector gear (45) which is meshed with each other, and the telescopic energy of a piston rod in the telescopic oil cylinder (40) can drive the claw (44) on the two-side clamping assembly to approach or separate;
a steel pipe clamping signal switch device (8) is also arranged in the claw (44);
the material blocking positioning device (7) comprises a material blocking oil cylinder (70) hinged to a lathe bed (1), a sliding plate (71) is mounted on a piston rod of the material blocking oil cylinder (70), a material blocking fixing seat (78) is mounted on the lathe bed (1), sliding rails (72) are mounted on two sides of the front end of the material blocking fixing seat (78), vertical sliding grooves (79) matched with the sliding plate (71) are formed in the sliding rails (72), an avoidance groove (710) is further formed in the upper end of the material blocking fixing seat (78), a limiting plate (73) is hinged to the upper portion of the sliding plate (71), a second sensing block (74) is mounted at the upper end of the inner side of the limiting plate (73), a fifth proximity switch (75) is mounted on the sliding plate (71) corresponding to the position of the second sensing block (74), a pin (76) is mounted on the limiting plate (73) on the lower side of the second sensing block (74), a second spring (77) corresponding to the pin (76) is mounted on the sliding plate (71), and the second spring (77) is always provided with a trend that the second sensing block (74) is far away from the fifth proximity switch (75) and is connected with a feeding line (3).
2. A steel pipe sizing and feeding servo device as recited in claim 1, wherein: the bearing seat (20) is internally matched with a roller shaft (21), a roller (22) is sleeved on the roller shaft (21), a first motor (23) and a first speed reducer (24) are further installed on the side part of the lathe bed (1) corresponding to the position of the roller shaft (21), an output shaft of the first speed reducer (24) is connected with the end part of the roller shaft (21), and a positioning groove (25) matched with a steel pipe is further formed in the roller (22).
3. A steel pipe sizing and feeding servo device as recited in claim 1, wherein: the utility model discloses a feeding trolley, including lathe bed (1), feeding trolley (3), second motor (31) and second speed reducer (32), rack (11) with drive gear (33) engaged with is installed on the side of lathe bed (1), and feeding trolley (3) can be driven to move on slide rail (10) in feeding trolley (3) bottom installation along slide rail (10) that lathe bed (1) upper portion was arranged, feeding trolley (3) bottom installation and slide rail (10) matched with slider (30), second motor (31) and second speed reducer (32) are still installed on feeding trolley (3), install driving gear (33) on the output shaft of second speed reducer (32), install on the side of lathe bed (1) with driving gear (33) engaged with rack (11).
4. A steel pipe sizing and feeding servo device as recited in claim 1, wherein: install first proximity switch (46) of level setting on pay-off dolly (3), first proximity switch (46) correspond to the lateral part of swing arm (41), still install second proximity switch (47) of vertical setting on pay-off dolly (3), install on swing arm (41) and shelter from baffle (48) of second proximity switch (47), when jack catch (44) of both sides keep away from each other and open, swing arm (41) are detected to first proximity switch (46), when jack catch (44) of both sides are close to each other and press from both sides, shelter from baffle (48) are no longer in second proximity switch (47) upside.
5. A steel pipe sizing and feeding servo device as recited in claim 1, wherein: the steel tube clamping signal switching device (8) comprises a chute (80) arranged in a claw (44), a transmitting shaft (81) is arranged in the chute (80), a limiting ring (82) matched with the chute (80) is arranged on the periphery of the transmitting shaft (81), a first spring (83) is sleeved on the periphery of the transmitting shaft (81) between the limiting ring (82) and the chute (80), the first spring (83) always has a trend of enabling one side end of the transmitting shaft (81) to extend out of the claw (44), a third proximity switch (84) is arranged on the claw (44) corresponding to the end position of the other side of the transmitting shaft (81), and when the claw (44) is clamped on a steel tube and completely enters into the first spring (83) in the chute (80), the third proximity switch (84) can detect the end position of the transmitting shaft (81), and a guide block (85) matched with the transmitting shaft (81) is further arranged on the claw (44).
6. A steel pipe sizing and feeding servo device as recited in claim 1, wherein: the hinge seat (5) comprises a rotating shaft bracket (50), a large rotating shaft (51) is mounted between the rotating shaft bracket (50) and the lathe bed (1) in a matched mode, a spacer bush (52) is sleeved on the periphery of the large rotating shaft (51) between the rotating shaft bracket (50) and the lathe bed (1), a compound sleeve (53) is arranged on the periphery of the large rotating shaft (51) at the position of the lathe bed (1), an end cover (54) is arranged at one end of the large rotating shaft (51) penetrating out of the rotating shaft bracket (50), an anti-rotating groove (55) is formed in the other end of the large rotating shaft (51), and an anti-rotating baffle (56) matched with the anti-rotating groove (55) is mounted on the rotating shaft bracket (50).
7. A steel pipe sizing and feeding servo device as recited in claim 1, wherein: the lifting device (6) comprises a lathe bed bracket (60), a lower shaft seat (61) is arranged on the lathe bed bracket (60), an upper shaft seat (62) corresponding to the lower shaft seat (61) is arranged at the bottom of the lathe bed (1), a lifting oil cylinder (63) is hinged between the lower shaft seat (61) and the upper shaft seat (62), a base (64) is further arranged on the lathe bed bracket (60), a fourth proximity switch (65) is arranged on the base (64), a first sensing block (66) corresponding to the fourth proximity switch (65) is arranged at the bottom of the lathe bed (1), and an adjusting pad (67) is further arranged between the lower shaft seat (61) and the lathe bed bracket (60).
8. A steel pipe sizing and feeding servo device as recited in claim 1, wherein: the lathe bed (1) is also provided with a sensor bracket (12), the sensor bracket (12) is provided with an electromagnetic sensor (13), the electromagnetic sensor (13) is positioned between the material blocking positioning device (7) and the hinging seat (5), and the electromagnetic sensor (13) is connected with the feeding roller device (2) through a control circuit.
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| CN202110544926.7A CN113510518B (en) | 2021-05-19 | 2021-05-19 | Steel pipe sizing pay-off servo |
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| CN202110544926.7A CN113510518B (en) | 2021-05-19 | 2021-05-19 | Steel pipe sizing pay-off servo |
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| CN113510518B true CN113510518B (en) | 2023-07-28 |
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| CN107571274A (en) * | 2017-08-16 | 2018-01-12 | 洛阳理工学院 | A kind of pulling-in dog for rotary heating furnace dress feeding device |
| CN108031922A (en) * | 2017-12-27 | 2018-05-15 | 宁波中宸汽车部件有限公司 | A kind of gripper feed device of band sawing machine |
| CN210172678U (en) * | 2019-05-31 | 2020-03-24 | 福清薛记数控科技有限公司 | Circular sawing machine pay-off material lifting mechanism |
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2021
- 2021-05-19 CN CN202110544926.7A patent/CN113510518B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0335904A (en) * | 1989-06-30 | 1991-02-15 | Ikura Seiki Seisakusho:Kk | Bar material feeder |
| CN101885086A (en) * | 2010-06-04 | 2010-11-17 | 王金波 | Pipe cutting machine tool capable of feeding and spacing automatically |
| CN205600398U (en) * | 2016-03-31 | 2016-09-28 | 苏州金凯达机械科技股份有限公司 | Fixed length material feeding unit of long saw cutter is decided to tubular product or section bar |
| CN106670243A (en) * | 2016-11-25 | 2017-05-17 | 宁波东重机械有限公司 | Full-automatic cold pilger mill |
| CN107571274A (en) * | 2017-08-16 | 2018-01-12 | 洛阳理工学院 | A kind of pulling-in dog for rotary heating furnace dress feeding device |
| CN108031922A (en) * | 2017-12-27 | 2018-05-15 | 宁波中宸汽车部件有限公司 | A kind of gripper feed device of band sawing machine |
| CN210172678U (en) * | 2019-05-31 | 2020-03-24 | 福清薛记数控科技有限公司 | Circular sawing machine pay-off material lifting mechanism |
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|---|---|
| CN113510518A (en) | 2021-10-19 |
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Effective date of registration: 20230713 Address after: 250119 Plant 7, New Process Demonstration Park, New Material Industrial Park, Tianqiao District, Jinan, Shandong Applicant after: Shandong Deyi Robot Co.,Ltd. Address before: 250000 No. 7, zone 3, xiaoluzhuang Industrial Park, Tianqiao District, Jinan City, Shandong Province Applicant before: SHANDONG DE HUA NO.1 MACHINE TOOL NC EQUIPMENT CO.,LTD. |
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Denomination of invention: A servo device for fixed length feeding of steel pipes Granted publication date: 20230728 Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch Pledgor: Shandong Deyi Robot Co.,Ltd. Registration number: Y2024980034998 |
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