阅读说明：本技术 一种钢管定尺送料伺服装置 (Steel pipe scale pay-off servo unit ) 是由 侯兰波 孙绪才 王志方 李红领 侯晓鹏 于 2021-05-19 设计创作，主要内容包括：一种钢管定尺送料伺服装置,包括有床身,床身内安装有若干个送进滚轮装置,送进滚轮装置沿床身的长度方向布置,送进滚轮装置通过轴承座安装在床身上,床身上侧安装有能沿身长度方向移动的送料小车,送料小车上安装有夹紧机构。本发明的积极效果在于：本发明所述的一种钢管定尺送料伺服装置,床身上安装有用于管材送进的送进滚轮装置,且床身能通过举升装置进行转动升降,避免送料过程中与装夹夹具的碰撞,床身上还设有用于管材定位的挡料定位装置和夹装送进的送料小车,能实现对管材的精准定位及切割,在提高送进效率的前提下还能有效保证产品的合格率,大幅提升了整个管材切割的作业效率。(A steel pipe sizing feeding servo device 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, and a clamping mechanism is arranged on the feeding trolley. The invention has the positive effects that: according to the steel pipe sizing feeding servo device, the feeding roller device for feeding the pipe is mounted on the lathe bed, the lathe bed can rotate and lift through the lifting device, collision with a clamping fixture in the feeding process is avoided, the material blocking and positioning device for positioning the pipe and the feeding trolley for clamping and feeding are further arranged on the lathe bed, accurate positioning and cutting of the pipe can be achieved, the qualification rate of products can be effectively guaranteed on the premise that the feeding efficiency is improved, and the operation efficiency of cutting the whole pipe is greatly improved.)

1. The utility model provides a steel pipe scale pay-off servo, 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 both hinged with a clamping assembly, 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), and the lifting device (6) can enable the lathe bed (1) to rotate and lift on the position of the hinged seat (5), the lathe bed (1) is further provided with a material blocking positioning device (7), and the material blocking positioning device (7) is connected with the feeding trolley (3) through a control circuit.

2. The steel pipe sizing and feeding servo device as claimed in claim 1, wherein: the steel tube lathe is characterized in that a roller shaft (21) is installed in the bearing seat (20) in a matched mode, 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 portion of the lathe bed (1) corresponding to the position of the roller shaft (21), the output shaft of the first speed reducer (24) is connected with the end portion of the roller shaft (21), and a positioning groove (25) matched with a steel tube is further formed in the roller (22).

3. The steel pipe sizing and feeding servo device as claimed in claim 1, wherein: slide rails (10) arranged along the length direction of the bed body (1) are mounted on the upper portion of the bed body (1), sliders (30) matched with the slide rails (10) are mounted at the bottom of the feeding trolley (3), a second motor (31) and a second speed reducer (32) are further mounted on the feeding trolley (3), a driving gear (33) is mounted on an output shaft of the second speed reducer (32), a rack (11) meshed with the driving gear (33) is mounted on the side face of the bed body (1), and the feeding trolley (3) can be driven to move on the slide rails (10) by starting of the second motor (31).

4. The steel pipe sizing and feeding servo device as claimed in claim 1, wherein: the clamping assembly comprises a swing arm (41), a vertical shaft (42), a sleeve (43) and a jaw (44), wherein one end of the swing arm (41) is hinged to a telescopic oil cylinder (40), the vertical shaft (42) is installed at the other end of the swing arm (41), the vertical shaft (42) is located in the sleeve (43), the jaw (44) is installed at the bottom end, extending out of the sleeve (43), of the vertical shaft (42), the vertical shafts (42) of the clamping assemblies on the two sides are further provided with synchronous sector gears (45) which are meshed with each other, and the stretching of piston rods in the telescopic oil cylinder (40) can drive the jaws (44) on the clamping assemblies on the two sides to be close to or far away from each other.

5. The steel pipe sizing and feeding servo device as claimed in claim 4, wherein: the feeding trolley is characterized in that a first proximity switch (46) horizontally arranged is installed on the feeding trolley (3), the first proximity switch (46) corresponds to the side portion of the swing arm (41), a second proximity switch (47) vertically arranged is further installed on the feeding trolley (3), a shielding plate (48) capable of shielding the second proximity switch (47) is installed on the swing arm (41), when the clamping jaws (44) on the two sides are mutually far away and opened, the swing arm (41) is detected by the first proximity switch (46), and when the clamping jaws (44) on the two sides are mutually close to an empty clamp, the shielding plate (48) is no longer located on the upper side of the second proximity switch (47).

6. The steel pipe sizing and feeding servo device as claimed in claim 4, wherein: still install steel pipe in jack catch (44) and press from both sides tight signal switch device (8), steel pipe presss from both sides tight signal switch device (8) including seting up spout (80) in jack catch (44), install in spout (80) and send out a signal axle (81), the periphery of sending out signal axle (81) is equipped with spacing ring (82) with spout (80) matched with, send out signal axle (81) periphery cover between spacing ring (82) and spout (80) and be equipped with first spring (83), first spring (83) have all the time and make the trend that sends out one side tip of signal axle (81) and stretch out jack catch (44), the tip position that corresponds to sending out the other side of axle (81), still install third proximity switch (84) on jack catch (44), when jack catch (44) press from both sides tight axle (81) on the steel pipe and enter into in sending out signal spout (80) completely and compress first spring (83), third proximity switch (84) can detect the tip position of sending out signal axle (81), and the claw (44) is also provided with a guide block (85) matched with the signaling shaft (81).

7. The steel pipe sizing and feeding servo device as claimed in claim 1, wherein: articulated seat (5) are including pivot bracket (50), and big pivot (51) are installed in the cooperation between pivot bracket (50) and the lathe bed (1), and big pivot (51) periphery cover between pivot bracket (50) and the lathe bed (1) is equipped with spacer sleeve (52), and big pivot (51) periphery of lathe bed (1) position department is equipped with composite sleeve (53), the one end that pivot bracket (50) were worn out in big pivot (51) is equipped with end cover (54), and anti-rotating groove (55) have been seted up to the other end of big pivot (51), install on pivot bracket (50) and prevent rotating baffle (56) with anti-rotating groove (55) matched with.

8. The steel pipe sizing and feeding servo device as claimed in claim 1, wherein: lifting device (6) including lathe bed bracket (60), install down axle bed (61) on lathe bed bracket (60), upper shaft seat (62) corresponding with lower axle bed (61) are installed to lathe bed (1) bottom, and articulated between lower axle bed (61) and upper shaft seat (62) install lift cylinder (63), still install base (64) on lathe bed bracket (60), are equipped with fourth proximity switch (65) on base (64), first response piece (66) corresponding with fourth proximity switch (65) are installed to lathe bed (1) bottom, still install adjustment pad (67) between lower axle bed (61) and lathe bed bracket (60).

9. The steel pipe sizing and feeding servo device as claimed in claim 1, wherein: the material blocking positioning device (7) comprises a material blocking oil cylinder (70) hinged on the lathe bed (1), a sliding plate (71) is installed on a piston rod of the material blocking oil cylinder (70), a material blocking fixing seat (78) is installed on the lathe bed (1), sliding ways (72) are installed on two sides of the front end of the material blocking fixing seat (78), a vertical sliding groove (79) matched with the sliding plate (71) is formed in each sliding way (72), an avoiding 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 induction block (74) is installed at the upper end of the inner side of the limiting plate (73), a fifth proximity switch (75) is installed on the sliding plate (71) corresponding to the position of the second induction block (74), a pin column (76) is installed on the limiting plate (73) on the lower side of the second induction block (74), and a second spring (77) corresponding to the pin column (76) is installed on the sliding plate (71), the second spring (77) always tends to enable the second sensing block (74) to be far away from the fifth proximity switch (75), wherein the fifth proximity switch (75) is connected with the feeding trolley (3) through a control circuit.

10. The steel pipe sizing and feeding servo device as claimed in claim 1, wherein: still install sensor support (12) on lathe bed (1), install electromagnetic sensor (13) on sensor support (12), electromagnetic sensor (13) are located and keep off the material positioner (7) and articulate between seat (5), and electromagnetic sensor (13) are connected with feed roller device (2) through control scheme.

Technical Field

The invention relates to the technical field of pipe blank conveying and cutting auxiliary equipment, in particular to a steel pipe sizing and feeding servo device.

Background

In the operation of carrying out the tubular product cutting, except necessary pipe cutting machine, still need tubular product feeding device, current tubular product feeding device is mostly in same level's position department with the clamping anchor clamps of pipe cutting machine, tubular product is easy to bump with the clamping anchor clamps at the horizontal in-process that feeds, in addition current feeding device still has efficiency lower, influence the shortcoming that the positioning factor is more, can't realize quick accurate location cutting operation, can't guarantee stable product percent of pass, the very big influence of bringing to the pipe cutting operation.

Disclosure of Invention

The invention aims to provide a steel pipe sizing feeding servo device, wherein a lathe bed for feeding a pipe can rotate to rise to a certain position as required to avoid collision with a clamping fixture, and the lathe bed is also provided with a material blocking and positioning device for positioning the pipe and a feeding trolley for clamping and feeding, so that the pipe is accurately positioned and cut, and the problems in the prior art are solved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a steel pipe sizing 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 part of the telescopic oil cylinder and the end part of a piston rod are hinged with clamping assemblies, a hinged seat is arranged at one end of the lathe bed, a lifting device is arranged at the bottom of the lathe bed far away from one end of the hinged seat, the lifting device can enable the lathe bed to rotate and lift on the position of the hinged seat, and a material blocking positioning device is further arranged on the lathe bed and connected with the feeding trolley through a control circuit. The bearing seat is internally provided with a roller shaft in a matching way, the roller shaft is sleeved with a roller, a first motor and a first speed reducer are further arranged on the side part of the lathe bed corresponding to the position of the roller shaft, the output shaft of the first speed reducer is connected with the end part of the roller shaft, and the roller is further provided with a positioning groove matched with the steel pipe. The automatic feeding device is characterized in that a sliding rail arranged along the length direction of the bed body is mounted on the upper portion of the bed body, a sliding block matched with the sliding rail is mounted at the bottom of the feeding trolley, a second motor and a second speed reducer are further mounted on the feeding trolley, a driving gear is mounted on an output shaft of the second speed reducer, a rack meshed with the driving gear is mounted on the side face of the bed body, and the second motor can be started to drive the feeding trolley to move on the sliding rail. The clamping assembly comprises a swing arm, a vertical shaft, a sleeve and a jaw, wherein one end of the swing arm is hinged to the telescopic oil cylinder, the vertical shaft is installed at the other end of the swing arm and is located in the sleeve, the jaw is installed at the bottom end, extending out of the sleeve, of the vertical shaft, the vertical shafts of the clamping assemblies on the two sides are further provided with synchronous sector gears which are meshed with each other, and the stretching of a piston rod in the telescopic oil cylinder can drive the jaws on the clamping assemblies on the two sides to be close to or far away from each other. The feeding trolley is provided with a first proximity switch horizontally arranged, the first proximity switch corresponds to the side portion of the swing arm, a second proximity switch vertically arranged is further arranged on the feeding trolley, the swing arm is provided with a shielding plate capable of shielding the second proximity switch, when the clamping jaws on the two sides are mutually kept away from and opened, the swing arm is detected by the first proximity switch, and when the clamping jaws on the two sides are mutually close to the empty clamp, the shielding plate is not positioned on the upper side of the second proximity switch. Still install steel pipe clamping signal switch device in the jack catch, steel pipe clamping signal switch device is including seting up the spout in the jack catch, install in the spout and send out the signal axle, the periphery of sending out the signal axle is equipped with the spacing ring with spout matched with, send out a signal axle periphery cover between spacing ring and the spout and be equipped with first spring, first spring has the trend that makes a signal axle one side tip stretch out the jack catch all the time, corresponding to the tip position of sending out a signal axle opposite side, still install the third proximity switch on the jack catch, when the jack catch presss from both sides tightly the signal axle on the steel pipe and gets into the first spring of spout internal compression completely, the third proximity switch can detect the tip position of sending out the signal axle, still install on the jack catch and send out a signal axle matched with guide block. The hinge base comprises a rotating shaft bracket, a large rotating shaft is installed between the rotating shaft bracket and the lathe bed in a matched mode, 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, penetrating out of the rotating shaft bracket, of the large rotating shaft, an anti-rotation groove is formed in the other end of the large rotating shaft, and an anti-rotation baffle matched with the anti-rotation groove is installed on the rotating shaft bracket. The lifting device comprises a lathe bed bracket, a lower shaft seat is mounted on the lathe bed bracket, an upper shaft seat corresponding to the lower shaft seat is mounted 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 mounted on the lathe bed bracket, a fourth proximity switch is arranged on the base, a first induction block corresponding to the fourth proximity switch is mounted at the bottom of the lathe bed, and an adjusting pad is further mounted between the lower shaft seat and the lathe bed bracket. Keep off material positioner and including articulating the fender material hydro-cylinder on the lathe bed, install the slide on the piston rod of keeping off the material hydro-cylinder, install on the lathe bed and keep off the material fixing base, keep off the both sides of material fixing base front end and all install the slide, seted up in the slide with slide matched with vertical spout, still seted up in the upper end of keeping off the material fixing base and avoided the groove, slide upper portion articulates there is the limiting plate, and the second response piece is installed to the inboard upper end of limiting plate, installs fifth proximity switch on the slide corresponding to the position of second response piece, installs the round pin post on the limiting plate of second response piece downside, installs the second spring corresponding with the round pin post on the slide, the second spring has the trend that makes the second response piece keep away from fifth proximity switch all the time, and wherein fifth proximity switch is connected with the pay-off dolly through control scheme. Still install the sensor support on the lathe bed, install electromagnetic sensor on the sensor support, electromagnetic sensor is located and keeps off the material positioner and articulate between the seat, and electromagnetic sensor is connected with the gyro wheel device that feeds in through control scheme.

The invention has the positive effects that: according to the steel pipe sizing feeding servo device, the feeding roller device for feeding the pipe is mounted on the lathe bed, the lathe bed can rotate and lift through the lifting device, collision with a clamping fixture in the feeding process is avoided, the material blocking and positioning device for positioning the pipe and the feeding trolley for clamping and feeding are further arranged on the lathe bed, accurate positioning and cutting of the pipe can be achieved, the qualification rate of products can be effectively guaranteed on the premise that the feeding efficiency is improved, and the operation efficiency of cutting the whole pipe is greatly improved.

Drawings

FIG. 1 is a schematic structural view 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 of FIG. 1;

FIG. 4 is an enlarged view of the view from the B direction in FIG. 2;

FIG. 5 is an enlarged view of the view in the direction C of FIG. 1;

FIG. 6 is a schematic view showing a state in which the steel pipe is gripped by the jaws of FIG. 5;

FIG. 7 is an enlarged partial view of I of FIG. 6;

FIG. 8 is an enlarged view taken along line D-D of FIG. 1;

FIG. 9 is an enlarged view of section E-E of FIG. 2 rotated 90 degrees clockwise;

FIG. 10 is an enlarged view of view F of FIG. 2;

FIG. 11 is an enlarged partial view of II of FIG. 10;

FIG. 12 is an enlarged view of the section view G-G in FIG. 2 rotated 90 degrees counterclockwise;

FIG. 13 is a schematic structural view of the lifting device;

fig. 14 is a top view of the striker positioning device.

Detailed Description

The invention relates to a steel pipe sizing and feeding servo device, which comprises a bed body 1, wherein a plurality of feeding roller devices 2 are arranged in the bed body 1, and the feeding roller devices 2 are arranged along the length direction of the bed body 1, so that pipes can be moved and fed on the bed body 1. The feeding trolley 3 capable of moving along the length direction of the body 1 is installed on the upper side of the lathe body 1, the clamping mechanism 4 is installed on the feeding trolley 3, and the clamping mechanism 4 can realize positioning, grabbing and feeding of the pipe into the pipe cutting machine. Articulated seat 5 is installed to one end at lathe bed 1, keeps away from 1 bottom of the lathe bed of articulated seat 5 one end and installs lifting device 6, and lifting device 6 enables lathe bed 1 and rotates the promotion on articulated seat 5 position, makes the tubular product of sending into in the pipe cutting machine be a little higher than clamping anchor clamps, avoids the collision with clamping anchor clamps, realizes the normal cutting operation of tubular product. The pipe cutting machine is characterized in that the machine body 1 is further provided with a material blocking positioning device 7, the material blocking positioning device 7 is connected with the feeding trolley 3 through a control circuit, the material blocking positioning device 7 can realize the cutting-off positioning of a 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 steel pipe sizing feeding servo device is integrally constructed, the material blocking and 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 a non-supported state, the lathe bed 1 is in a horizontal position, and the feeding trolley 3 is positioned at the rightmost end of the lathe bed 1. After the pipe blank enters the lathe bed 1, the feeding roller device 2 continuously conveys the pipe blank forwards through rolling friction force until the pipe blank is stopped by the material blocking and positioning device 7, the material blocking and positioning device 7 sends out a signal at the moment, the pipe blank is accurately positioned, the feeding trolley 3 moves to the pipe blank, the clamping mechanism 4 clamps the pipe, the material blocking and positioning device 7 falls down, the lifting device 6 lifts the lathe bed 1 to a certain height, 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 lathe bed 1 restores the initial position, the pipe blank falls onto a clamping clamp of the pipe cutting machine to finish subsequent cutting operation, the steel pipe sizing and feeding servo device returns to the initial feeding state again, the operation is repeated, namely, the positioning and feeding cutting processing of the pipe is finished, and the whole implementation process is rapid, Accurate, safe, reliable and efficient.

Further, as shown in fig. 3, the feeding roller device 2 includes a bearing seat 20 disposed on the bed 1, a roller shaft 21 is disposed 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 disposed on a side portion of the bed 1 corresponding to the position of the roller shaft 21, an output shaft of the first speed reducer 24 is connected with an end portion of the roller shaft 21, the first motor 23 is started to drive the roller 22 to rotate, and the tube is fed by means of friction between the roller 22 and the tube. In order to facilitate the placement of the pipe on the roller 22 and avoid the separation of the pipe blank from the roller 22 in 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 slide rail 10 arranged along the length direction of the bed 1 is installed at the upper part of the bed 1, a slide block 30 matched with the slide rail 10 is installed at the bottom of the feeding trolley 3, a second motor 31 and a second speed reducer 32 are further 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 bed 1, and the second motor 31 is started to drive the feeding trolley 3 to move on the slide rail 10, so that the feeding trolley 3 conveys pipe blanks from the bed 1 to the pipe cutting machine.

As shown in fig. 4 and 5, the clamping mechanism 4 includes a telescopic cylinder 40 disposed on the feeding trolley 3, the end of the telescopic cylinder 40 and the end of the piston rod are hinged to a clamping assembly, the clamping assembly includes a swing arm 41, a vertical shaft 42, a sleeve 43 and a jaw 44, wherein one end of the swing arm 41 is hinged to the telescopic cylinder 40, the vertical shaft 42 is mounted at the other end of the swing arm 41, the vertical shaft 42 is disposed in the sleeve 43, the jaw 44 is mounted 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 further mounted with mutually engaged synchronous sector gears 45, and the extension and retraction of the piston rod in the telescopic cylinder 40 can drive the jaws 44 on the two side clamping assemblies to approach or leave. Fig. 5 shows that the claws 44 are in a separated state and do 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 out to drive the swing arm 41 to rotate clockwise in the direction shown in fig. 5, and the claws 44 on both sides can approach each other to clamp the pipe under the drive of the vertical shaft 42. Wherein the arrangement of the synchronous sector gear 45 can ensure that the clamping assemblies on two sides can synchronously complete clamping or loosening, and the accurate clamping of the pipe blank is realized.

Further, in order to accurately detect whether the clamping jaws 44 clamp the pipe, a first proximity switch 46 horizontally arranged is installed on the feeding trolley 3, the first proximity switch 46 corresponds to the side portion of the swing arm 41, a second proximity switch 47 vertically arranged is also installed on the feeding trolley 3, a shielding plate 48 capable of shielding the second proximity switch 47 is installed on the swing arm 41, when the clamping jaws 44 on the two sides are far away from each other and are opened, namely, in the state shown in fig. 5, the swing arm 41 is detected by the first proximity switch 46, and when the clamping jaws 44 on the two sides are close to each other and are empty, the shielding plate 48 is no longer located on the upper side of the second proximity switch 47.

The first proximity switch 46 and the second proximity switch 47 are arranged to indicate the state and position of the pawl 44 according to whether a signal is detected, which is the following three cases: the first proximity switch 46 detects signals, the second proximity switch 47 detects signals, the clamping jaws 44 are in an open state shown in fig. 5, 2 the first proximity switch 46 does not detect signals, the second proximity switch 47 detects signals, the clamping jaws 44 are in a state of clamping a pipe shown in fig. 6, 3 the first proximity switch 46 does not detect signals, the second proximity switch 47 also does not detect signals, and the clamping jaws 44 on two sides are in an empty clamping state in a mutual proximity contact mode.

Further, in order to send a safety signal to the control device when the clamping jaw 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 switch device 8 is further installed in the clamping jaw 44. As shown in fig. 7, the steel pipe clamping signal switch device 8 includes a sliding slot 80 disposed in the claw 44, a transmitting shaft 81 is disposed in the sliding slot 80, a limiting ring 82 engaged with the sliding slot 80 is disposed 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 sliding slot 80, and the first spring 83 always tends to extend the end of one side of the transmitting shaft 81 out of the claw 44. Corresponding to the end position of the other side of the transmitting shaft 81, a third proximity switch 84 is further mounted on the jaw 44, when the jaw 44 is clamped on the steel pipe and the transmitting 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 transmitting shaft 81, and then a safety signal is sent to the control device. In order to make the end of the signalling shaft 81 extend smoothly and be detected by the third proximity switch 84 when the pawl 44 contacts the tubing compressing the first spring 83, the pawl 44 is also fitted with a guide block 85 cooperating with the signalling shaft 81.

Further, as shown in fig. 8, the hinge base 5 includes a rotating shaft bracket 50, a large rotating shaft 51 is fittingly installed between the rotating shaft bracket 50 and the bed 1, and when the lifting device 6 lifts the bed 1, the bed 1 rotates relative to the large rotating shaft 51. In order to reduce the friction among the 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 bed 1, and a composite sleeve 53 is arranged on the periphery of the large rotating shaft 51 at the position of the bed 1. In order to avoid the rotation of the large rotating shaft 51 when the lathe bed 1 rotates relative to the hinge base 5, 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-rotation groove 55 is formed at the other end of the large rotating shaft 51, and an anti-rotation baffle 56 matched with the anti-rotation groove 55 is arranged on the rotating shaft bracket 50.

Further, as shown in fig. 13, the lifting device 6 includes a bed bracket 60, a lower shaft seat 61 is mounted on the bed bracket 60, an upper shaft seat 62 corresponding to the lower shaft seat 61 is mounted 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 out to drive the bed 1 to rotate and lift a certain position. The bed bracket 60 is further 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 on the base 64, the fourth proximity switch 65 can detect the first sensing block 66, that is, the state when the lifting device 6 does not lift the bed 1, and after the bed 1 rotates and lifts, the fourth proximity switch 65 cannot detect the first sensing block 66, that is, the control device can detect the state position of the lifting device 6 in real time, so as to facilitate subsequent operations. In order to adjust the height position distance of the bed 1 to be lifted, an adjusting pad 67 is further installed between the lower shaft seat 61 and the bed bracket 60, and the adjusting pad 67 can adjust the height of the initial installation position of the lifting cylinder 63.

Further, the method is carried out. As shown in fig. 9 and 10, the material stopping positioning device 7 includes a material stopping cylinder 70 hinged on the bed 1, a sliding plate 71 is installed on a piston rod of the material stopping cylinder 70, a material stopping fixing seat 78 is installed on the bed 1, sliding ways 72 are installed on two sides of the front end of the material stopping fixing seat 78, as shown in fig. 14, a vertical sliding groove 79 matched with the sliding plate 71 is formed in each sliding way 72, an avoiding groove 710 is further formed in the upper end of the material stopping fixing seat 78, and the steel pipe blank can be smoothly conveyed on the bed 1 by the arrangement of the avoiding groove 710. 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 tends to make the second sensing block 74 away from the fifth proximity switch 75, and the fifth proximity switch 75 is connected with the feeding trolley 3 through a control circuit. Limiting plate 73 under the usual state is kept away from fifth proximity switch 75, and in case there is the steel pipe when being stopped, the steel pipe can promote limiting plate 73 to be detected to fifth proximity switch 75 removal, sends signal tubular product and is by accurate location, then the pay-off dolly 3 comes to snatch and carry to the pipe cutter built-in to the tubular product after the location finishes.

Wherein the height position of limiting plate 73 is less than the height position of steel pipe blank, when steel pipe blank moved to the limiting plate 73 direction on keeping off material positioner 7, can touch the last side of limiting plate 73 preferentially, be corresponding to the position of second response piece 74 and second spring 77 promptly, because the articulated position of limiting plate 73 is in the lower part, the steel pipe blank that is in higher position is in the removal in-process and is contacted the back with the limiting plate 73 of lower position, enables limiting plate 73 and drives second response piece 74 and rotate and be detected by fifth proximity switch 75.

Further, in order to reduce the conveying speed of the pipe material and avoid hard contact with the material blocking positioning device 7 before the steel pipe blank is to be stopped by the material blocking positioning device 7 in the conveying process, as shown in fig. 12, a sensor support 12 is further installed on the machine bed 1, an electromagnetic sensor 13 is installed on the sensor support 12, the electromagnetic sensor 13 is located between the material blocking positioning device 7 and the hinged 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 that the purpose of reducing the conveying speed of the pipe is achieved.

Wherein, the functional components in the steel pipe sizing feeding servo device are mutually and orderly matched, thereby ensuring the accurate positioning and the rapid conveying of the pipe materials. The lathe bed 1 is a basic part of the whole servo device, and the reasonable internal structure of the lathe bed ensures the good rigidity of the whole device and ensures the running direction and the running position of the tube blank to be accurate; when the tube blank arrives, the feeding roller device 2 in the lathe bed 1 provides forward running power for the tube blank and ensures the running track of the tube 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 material blocking and positioning device 7 has the functions of stopping and positioning the pipe blank, a signal switch arranged on the material blocking and positioning device 7 provides a pipe blank positioning signal for the whole device, the material blocking and positioning device 7 is provided with a material blocking oil cylinder 70 which can jack and drop a limiting plate 73, the material blocking and positioning device is used for blocking and positioning the material when jacking, and the pipe blank is conveyed forwards when dropping; the feeding trolley 3 moves back and forth on the lathe bed 1 through a sliding rail slide block, a clamping mechanism 4 is arranged on the feeding trolley 3, a telescopic oil cylinder 40 is arranged on the clamping mechanism 4, a blank is clamped through the lever action, a signal switch is arranged on a clamping jaw 44, and a safety signal is sent out during clamping, so that the feeding trolley 3 is ensured to run safely under the 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 rotary power of the servo 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 on the rotating shaft at a small angle; before the pipe blank of lifting device 6 is carried forward, lifting device 6 holds up lathe bed 1 and sets for the angle, sends the signal simultaneously, prevents the wearing and tearing of pipe blank and frock fixture when carrying.

The technical solution of the present invention is not limited to the scope of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known techniques.