CN113084903A

CN113084903A - Pipe cutting equipment and method

Info

Publication number: CN113084903A
Application number: CN202110469975.9A
Authority: CN
Inventors: 张秀波
Original assignee: Maoming Liansu Building Materials Co ltd
Current assignee: Maoming Liansu Building Materials Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-09

Abstract

The invention provides pipe cutting equipment and a pipe cutting method, wherein the pipe cutting equipment comprises a material placing frame for placing a pipe, one side of the material placing frame is provided with a conveying rail for conveying the pipe, one end of the conveying rail is provided with a conveying device for conveying the pipe, the other end of the conveying device is provided with a pipe cutting device for cutting the pipe, the output end of the pipe cutting device is provided with a gripping device for gripping the pipe, the bottom of the gripping device is provided with a collecting frame for collecting the pipe, the pipe cutting equipment is further provided with a case and a supporting frame, the conveying device and the pipe cutting device are fixed on the case, the gripping device is fixed on the supporting frame, and the conveying device, the pipe cutting device and the gripping device are all electrically connected with a control unit arranged in the case. The equipment simplifies the cutting production process of the pipe, is convenient to assemble, does not need to manually collect the cut pipe after cutting, and effectively improves the production efficiency.

Description

Pipe cutting equipment and method

Technical Field

The invention relates to the technical field of pipe production, in particular to pipe cutting equipment and a pipe cutting method.

Background

After PE film extrusion moulding, need the rolling, often use the book core, along with the increase of PE film output, also be in short supply day by day to the demand of rolling up the core, traditional paper roll core is damaged easily, and current often uses cutting equipment to cut into the nozzle stub with long plastic tubing, as the book core of PE film, improves production efficiency, and this kind of book core is difficult to wet and damage, and long service life improves tubular product waste product utilization, saves raw and other materials cost. But the material loading of present cutting equipment is loaded down with trivial details, and the back that cuts and accomplish needs the manual work to put the tubular product, and is inefficient, for example, chinese patent with publication No. CN211564673U, publication date 2020.9.25: the utility model provides a pipe cutting equipment, the material loading process of this patent is loaded down with trivial details, has just cut directly to drop on ground behind the tubular product, is unfavorable for the collection of tubular product, and whole production process work efficiency is low.

Disclosure of Invention

The invention provides pipe cutting equipment and a pipe cutting method, which simplify the pipe cutting production process, are convenient to assemble, do not need to manually collect the cut pipes after cutting, and effectively improve the production efficiency.

The technical scheme of the invention is as follows:

the utility model provides a pipe cutting equipment, is including the blowing frame that is used for placing tubular product, one side of blowing frame is equipped with the delivery track that is used for carrying tubular product, delivery track's one end is provided with the conveyer that is used for transporting tubular product, the other end of conveyer is equipped with the pipe cutting device that is used for cutting tubular product, pipe cutting device's output is equipped with the grabbing device that is used for snatching tubular product, grabbing device's bottom is equipped with the collection frame that is used for collecting tubular product, and this equipment still is equipped with built-in control unit's quick-witted case and support frame, conveyer, pipe cutting device fix on the quick-witted case, grabbing device fixes on the support frame, conveyer, pipe cutting device, grabbing device all with quick-witted incasement control unit electric connection.

The control unit, the circuit accessories and the like are all installed in the machine case to control the device, when production is carried out, the pipe is placed on the material placing frame, the pipe on the material placing frame rolls to fall onto the conveying rail, the conveying device is driven to clamp and drag the pipe on the conveying rail, the pipe is stably conveyed to the pipe cutting device, the pipe cutting device cuts the pipe, and the pipe after cutting is grabbed by the grabbing device and placed in the collecting frame.

Further, the blowing frame is a symmetrical frame formed by welding square pipes, the top surface of the frame is an inclined plane, iron plates are laid on two sides of the frame, the conveying track is arranged on one side of the lowest end of the inclined plane, and the conveying track comprises a plurality of roller groups erected on the blowing frame.

Tubular product can be followed the inclined plane and rolled from the top down, as long as put tubular product, alright roll to the delivery track of inclined plane bottom on, delivery track's wheel train can hold tubular product when tubular product falls, when tubular product was pressed from both sides tightly by the conveyer and is dragged forward the transmission, the gyro wheel rotated, made tubular product steadily carry.

Furthermore, the lowest end of the inclined plane is protruded with a plurality of gears, a lifting mechanism is arranged between the gears and comprises a supporting plate used for fixing, a square block is arranged at the top of the supporting plate, a lifting cylinder is arranged at the bottom of the supporting plate, an extension shaft of the lifting cylinder penetrates out of the supporting plate and is connected with the square block, the lifting cylinder drives the square block to lift, the lifting cylinder is electrically connected with a control unit arranged in the case, and a boss with the inclined plane is arranged on one side, far away from the gears, of the square block along the length direction of the pipe.

When tubular product rolled to the bottom along the inclined plane, keep off the position and can prevent tubular product from dropping, when needing to drop tubular product on the delivery track, drive lift cylinder, lift cylinder promotes square piece and rises and jack-up tubular product, make square piece and gear rise to the coplanar, and square piece upper band inclined plane's boss is tangent with the tubular product circumference, can promote tubular product to roll forward simultaneously, tubular product just can fall into the delivery track, through constantly carrying out signal control to lift cylinder, tubular product on the blowing frame can constantly fall to the delivery track in proper order one by one.

Further, the conveyer includes first screw rod slider mechanism and locates clamping mechanism in the first screw rod slider mechanism, clamping mechanism is including installing first mounting bracket on the slider of first screw rod slider mechanism, the top inboard of first mounting bracket is equipped with first clamp splice and the second clamp splice that is used for the cooperation to press from both sides tight tubular product, the outside of first mounting bracket is equipped with the first die clamping cylinder who is used for driving first clamp splice, is used for driving the second die clamping cylinder of second clamp splice.

After the pipe falls into the conveying track from the material placing frame, the first screw slider mechanism enables the slider to return to the starting position (close to one end of the conveying track), the pipe penetrates out of the position between the first clamping block and the second clamping block and drives the first clamping cylinder and the second clamping cylinder, the cylinders push the two clamping blocks to move inwards to clamp the pipe, then the slider of the first screw slider mechanism moves to enable the pipe to be stably conveyed forwards by clamping, and one end of the pipe enters the pipe cutting device.

Further, the pipe cutting device comprises an outer cover, a pipe clamp mechanism and a cutter mechanism, wherein the pipe clamp mechanism and the cutter mechanism are arranged in the outer cover;

the pipe clamping mechanism comprises a second mounting frame fixed on the surface of the case, a third clamping block and a fourth clamping block which are used for being matched with and clamping a pipe are arranged on the inner side of the top of the second mounting frame, and a third clamping cylinder used for driving the third clamping block and a fourth clamping cylinder used for driving the fourth clamping block are arranged on the outer side of the second mounting frame;

the cutter mechanism comprises a cutter head fixed on the surface of the case and a cutter arranged on the cutter head, the cutter surrounds the central inlet of the cutter head, the cutter is arranged on a movable insert of the cutter head, a motor used for driving the cutter to rotate is arranged on the movable insert, and a cylinder used for driving the movable insert to longitudinally move back and forth towards the center of the cutter head is arranged in the cutter head.

When cutting tubular product, the tubular product that is carried by conveyer is arranged in between third clamp splice and the fourth clamp splice to the length that tubular product need cut is put into in the center entrance at the tool bit, drives third die clamping cylinder and fourth die clamping cylinder this moment, makes the cylinder promote two clamp splices and inwards moves and presss from both sides tight tubular product, vibrations when can preventing to cut, damages cutting means, crushed aggregates departure and hinder people etc.. The cutter rotates around the center under the driving of the motor, the movable insert drives the cutter to longitudinally move back and forth towards the center of the cutter head under the pushing of the cylinder, when the pipe is cut, the cutter rotates under the driving of the motor, the movable insert and the rotating cutter move towards the center of the cutter head under the pushing of the cylinder, the pipe can be cut off, then the cylinder retracts, the movable insert drives the cutter to return to the initial position, the conveying device continues to drive the rest pipe to be conveyed forwards, the cut pipe is pushed out of the cutter head, and then the cutter mechanism is enabled to cut for the next time.

Further, the exit of tool bit still is equipped with and is used for carrying tubular product for grabbing device's conveyer belt, the conveyer belt passes through the support mounting on the support frame.

The cut short pipe is pushed out of the outlet of the cutter head, falls into the conveyor belt and is conveyed to the grabbing device by the conveyor belt.

Further, the gripping device comprises a rotating mechanism and a gripping mechanism;

the rotating mechanism comprises a third mounting frame fixed on the support frame, a rotating motor is arranged on the third mounting frame, an extending shaft of the rotating motor is connected with a fixing frame, a rotating cylinder used for loading pipes is fixed on the fixing frame, the front end of the rotating cylinder is opened, the tail end of the rotating cylinder is closed, and an in-place sensor is arranged in the rotating cylinder;

snatch the mechanism and include the fourth mounting bracket, the fourth mounting bracket erects the top of collecting the frame, the top of fourth mounting bracket is equipped with second screw slider mechanism, be equipped with on the slider of second screw slider mechanism and get the thing arm, it carries out elevating movement by motor drive to get the thing arm, the end of getting the thing arm is equipped with and is used for pressing from both sides the double-layered pipe part of getting tubular product.

After the pipe material is cut into short pipes and enters a conveyor belt, the short pipes are conveyed forwards continuously and then enter a rotating cylinder, the rotating cylinder is provided with an opening at the front end, the tail end is closed, the short pipes can rotate in a reciprocating manner on a vertical plane under the driving of a rotating motor, the initial state is the horizontal direction, the short pipes are convenient to enter, after the short pipes enter the rotating cylinder, an in-place sensor sends out a sensing signal, the rotating motor enables the rotating cylinder to rotate to the vertical direction, the opening is upward, a motor drives an object taking arm to move downwards, after the short pipes are grabbed by a clamping pipe component at the tail end, the object taking arm is driven by the motor to ascend, under the driving of a sliding block of a second screw sliding block mechanism, the object taking arm can move back and forth along a top cross beam of a fourth mounting frame, the object taking arm grabs the short pipes and then vertically places the short pipes in a, the working efficiency is improved.

Furthermore, the pipe clamping part comprises an installation block and a plurality of sliding blocks arranged on the peripheral side face of the installation block, and a cylinder used for driving the sliding blocks to stretch and retract is arranged in the installation block.

When the pipe clamping part clamps the pipe, the pipe clamping part extends into the pipe by the fetching arm, and then the sliding block is ejected outwards by the air cylinder to be tightly pressed against the inner side wall of the pipe to finish clamping; when the pipe needs to be put down, the cylinder drives the sliding block to retract, the sliding block is not tightly propped against the inner side wall of the pipe any more, and then the fetching arm moves upwards to take out the pipe clamping part.

Furthermore, a roller line is arranged on the surface of the supporting frame, and the plurality of collecting frames are placed on the roller line.

The collecting frame is placed on the roller line, after one box is filled, the roller line is started, the filled collecting box is moved away, the other empty box is moved to the collecting position, and the steps are repeated, so that the labor is saved, and the working efficiency can be effectively improved.

The invention also provides a pipe cutting method, which comprises the following steps:

s1, placing the pipe on a material placing frame for fully paving;

s2, driving a lifting mechanism, wherein the lifting mechanism enables the pipe on the material placing frame to roll and fall onto a conveying track;

s3, driving a first screw slider mechanism of the conveying device, driving the clamping mechanism to move to one end close to the conveying track to clamp the pipe, and then driving the clamping mechanism to move reversely to clamp the pipe and convey the pipe forwards to the pipe cutting device;

s4, enabling one end of the pipe to penetrate through the pipe clamp mechanism of the pipe cutting device and extend into the cutter mechanism, enabling the pipe to be clamped by the pipe clamp mechanism, then driving the cutter mechanism to cut off the pipe, after the pipe is cut off, continuously driving the rest of the pipe to be conveyed forwards by the first screw slider mechanism of the conveying device, and pushing the cut short pipe out of the cutter mechanism;

s5, pushing the cut short pipe out of the cutter mechanism, falling into a conveyor belt, and conveying the short pipe to a gripping device by the conveyor belt;

s6, the short pipe is conveyed forwards through the conveyor belt to the rotating mechanism of the grabbing device to be horizontally placed, then the rotating mechanism enables the pipe to rotate to the vertical direction, the grabbing mechanism moves downwards to clamp the short pipe, and the short pipe is vertically placed in the collecting frame in a moving mode.

The invention has the beneficial effects that:

according to the pipe cutting machine, the pipes are placed through the material placing frame, the pipes fall into the conveying track and are dragged to the pipe cutting device by the conveying device to be conveyed, the pipes are grabbed and placed in the collecting frame by the grabbing device after cutting is finished, a complex feeding process is not needed, the whole pipe cutting production process is simplified, the pipes can be stably cut by the pipe cutting device due to the fact that the pipes are clamped and conveyed by the conveying device, chips are prevented from being generated due to cutting vibration, the pipes which are cut at last are all placed in the collecting frame in a centralized mode, manual arrangement is not needed, and production efficiency is effectively improved.

Drawings

FIG. 1 is a schematic structural view of a pipe cutting apparatus;

FIG. 2 is a schematic structural view of a pipe cutting device of the pipe cutting apparatus with a cover removed;

FIG. 3 is another schematic angle view of FIG. 2;

FIG. 4 is a schematic view of the pipe cutting apparatus with the pipe placed thereon;

FIG. 5 is an enlarged view of portion A of FIG. 2;

FIG. 6 is an enlarged view of portion B of FIG. 2;

FIG. 7 is an enlarged view of portion C of FIG. 2;

FIG. 8 is a schematic structural view of a cutter mechanism;

FIG. 9 is an enlarged view of portion D of FIG. 3;

FIG. 10 is an enlarged view of section E of FIG. 3;

in the figure: the device comprises a material placing frame 1, an iron plate 101, a roller group 102, a gear 103, a supporting plate 104, a square block 105, a lifting cylinder 106, a boss 107, a conveying device 2, a first screw slider mechanism 201, a first mounting frame 202, a first clamping block 203, a second clamping block 204, a first clamping cylinder 205, a second clamping cylinder 206, a pipe cutting device 3, an outer cover 301, a second mounting frame 302, a third clamping block 303, a fourth clamping block 304, a third clamping cylinder 305, a fourth clamping cylinder 306, a cutter head 307, a cutter 308, a movable insert 309, a gripping device 4, a third mounting frame 401, a rotating motor 402, a fixing frame 403, a rotating cylinder 404, a fourth mounting frame 405, a second screw slider mechanism 406, a fetching arm 407, a pipe clamping component 408,

mounting blocks

4081, 4082, a collecting frame 5, a sliding block cabinet 6, a supporting frame 7, a conveying belt 8 and a roller line 9.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1-4, a pipe cutting device comprises a material placing frame 1 for placing a pipe, a conveying track for conveying the pipe is arranged on one side of the material placing frame 1, a conveying device 2 for conveying the pipe is arranged at one end of the conveying track, a pipe cutting device 3 for cutting the pipe is arranged at the other end of the conveying device 2, a gripping device 4 for gripping the pipe is arranged at the output end of the pipe cutting device 3, a collecting frame 5 for collecting the pipe is arranged at the bottom of the gripping device 4, a case 6 with a built-in control unit and a supporting frame 7 are further arranged on the device, the conveying device 2 and the pipe cutting device 3 are fixed on the surface of the case 6, the gripping device 4 is fixed on the surface of the supporting frame 7, and the conveying device 2, the pipe cutting device 3 and the gripping device 4 are all electrically connected with the built-in.

The control unit, circuit accessories, and the like are all installed in the housing 6 and connected to the PLC controller, and the PLC controller controls the above-described devices through the control unit in the housing 6. When carrying out production, tubular product is placed on blowing frame 1, and the tubular product roll on the blowing frame 1 falls into the delivery track on, and drive conveyer 2 presss from both sides the clamp with the tubular product on the delivery track tightly and drags away, stably carries pipe cutting device 3 department, and pipe cutting device 3 cuts the tubular product, and the tubular product after the cutting finishes is snatched by grabbing device 4 and is placed in collecting frame 5.

As shown in fig. 2 and fig. 5, in this embodiment, the blowing frame 1 is a symmetrical frame welded by square pipes, place on ground and increase the stationarity, the top surface of frame is the inclined plane, and iron plates 101 have been laid on both sides, be convenient for place the tubular product, the angle of inclination is 5, the tubular product can be followed the inclined plane and rolled from top to bottom, as long as put the tubular product, alright roll to the bottom least significant end on inclined plane, least significant end one side on inclined plane is the delivery track, the delivery track is including erectting a plurality of roller set 102 on the blowing frame, roller set 102 includes that two set up relatively and one end all inwards inclines to form the gyro wheel of the shape of falling eight, can hold the tubular product when falling, when the tubular product is pressed from both sides tightly by conveyer 2 and drags forward the transmission, the. Wherein, the lowest end of the inclined plane is protruded with a plurality of gears 103, and a lifting mechanism is arranged between the gears 103, the lifting mechanism comprises a supporting plate 104 for fixing, the top of the supporting plate 104 is provided with a square block 105, the bottom of the supporting plate 104 is provided with a lifting cylinder 106, an extension shaft of the lifting cylinder 106 penetrates through the supporting plate 104 and is connected with the square block 105, the lifting cylinder 106 drives the square block 105 to lift, the lifting cylinder 106 is electrically connected with a control unit arranged in the case 6, one side of the square block 106 far away from the gears 103 is provided with a boss 107 with an inclined plane along the length direction of the pipe, when the pipe rolls to the bottom along the inclined plane, the gears 103 can prevent the pipe from falling, when the pipe needs to fall onto a conveying track, the lifting cylinder 106 is driven, the lifting cylinder 106 pushes the square block 105 to rise to jack the pipe, so that the square block 105 and the gears 103 rise to the same plane, and the boss 107 with the, meanwhile, the pipes can be pushed to roll forwards, the pipes can fall into the conveying track, and the pipes on the material placing frame 1 can sequentially and continuously fall onto the conveying track one by one through continuous signal control of the lifting cylinder 106.

As shown in fig. 2 and 6, the transportation device 2 includes a first slider-screw mechanism 201 and a clamping mechanism disposed on the first slider-screw mechanism 201, the clamping mechanism includes a first mounting bracket 202 mounted on a slider of the first slider-screw mechanism 201, a first clamping block 203 and a second clamping block 204 for cooperatively clamping the pipe are disposed on an inner side of a top portion of the first mounting bracket 202, and a first clamping cylinder 205 for driving the first clamping block 203 and a second clamping cylinder 206 for driving the second clamping block 204 are disposed on an outer side of the first mounting bracket 202. After the pipe falls into the conveying track from the material placing frame, the first screw slider mechanism 201 enables the slider to return to the starting position (the end close to the conveying track), the pipe penetrates out of the position between the first clamping block 203 and the second clamping block 204, the first clamping cylinder 205 and the second clamping cylinder 206 are driven, the cylinders push the two clamping blocks to move inwards to clamp the pipe, then the slider of the first screw slider mechanism 201 moves, the pipe is clamped stably and conveyed forwards, and one end of the pipe enters the pipe cutting device 3.

As shown in fig. 1, 2, 7 and 8, the tube cutting device 3 comprises an outer cover 301, and a tube clamping mechanism and a cutter mechanism which are arranged in the outer cover 301; the pipe clamping mechanism comprises a second mounting frame 302 fixed on the surface of the case 6, a third clamping block 303 and a fourth clamping block 304 which are used for being matched with and clamping a pipe are arranged on the inner side of the top of the second mounting frame 302, and a third clamping cylinder 305 used for driving the third clamping block 303 and a fourth clamping cylinder 306 used for driving the fourth clamping block 304 are arranged on the outer side of the second mounting frame 302; the cutter mechanism comprises a cutter head 307 fixed on the surface of the case 6 and cutters 308 arranged on the cutter head 307, the four cutters 308 are arranged around the central inlet of the cutter head 307 in a square distribution manner, the cutters 308 are arranged on a movable insert 309 of the cutter head 307, the cutters 308 are round high-speed steel cutting edge cutters, the movable insert 309 is provided with a motor for driving the cutters to rotate, and the cutter head 307 is internally provided with a cylinder for driving the movable insert 309 to longitudinally move back and forth towards the center of the cutter head 307. When cutting a pipe, the pipe conveyed by the conveying device 2 is placed between the third clamping block 303 and the fourth clamping block 304, and the length of the pipe to be cut is placed in a central inlet of the cutter head 307, at the moment, the third clamping cylinder 305 and the fourth clamping cylinder 306 are driven to enable the cylinders to push the two clamping blocks to move inwards to clamp the pipe, so that the vibration during cutting, damage to a cutting tool and flying of crushed materials to hurt people and the like can be prevented, because the adopted cutter 308 is a circular sharp steel cutting edge cutter, no cutting scraps exist during cutting, the cutter 308 rotates around the center under the driving of a motor, the movable insert 309 drives the cutter 308 to move longitudinally back and forth towards the center of the cutter head 307 under the driving of the cylinders, the cutter 308 rotates under the driving of the motor during cutting the pipe, the movable insert 309 and the rotating cutter 308 move towards the center of the cutter head 307 under the driving of the cylinders, so that the pipe can be cut, then the cylinders retract, and the movable insert 309 drives, the transport device 2 continues to drive the remaining pipe material forward, pushes the cut short pipe out of the cutter head 307, and then causes the cutter mechanism to perform the next cutting.

As shown in fig. 1 and fig. 2, in this embodiment, a conveyor belt 8 for conveying the tube to the gripping device is further provided at the outlet of the cutter head 307, the conveyor belt 8 is mounted on the support frame 6 through a bracket, and the cut short tube is pushed out of the outlet of the cutter head 307, falls into the conveyor belt 8, and is conveyed to the gripping device 4 by the conveyor belt 8, so that the production efficiency is improved.

As shown in fig. 3, 9, and 10, in the present embodiment, the grasping apparatus 4 includes a rotation mechanism, a grasping mechanism; the rotating mechanism comprises a third mounting frame 401 fixed on the support frame 6, a rotating motor 402 is arranged on the third mounting frame 401, an extending shaft of the rotating motor 402 is connected with a fixing frame 403, a rotating cylinder 404 used for loading pipes is fixed on the fixing frame 403, the front end of the rotating cylinder 404 is opened, the tail end of the rotating cylinder 404 is closed, and an in-place sensor is arranged inside the rotating cylinder 404; snatch the mechanism and include fourth mounting bracket 405, fourth mounting bracket 405 erects in the top of collecting frame 5, and the top of fourth mounting bracket 405 is equipped with second slider-screw mechanism 406, is equipped with on the slider of second slider-screw mechanism 406 and gets thing arm 407, gets thing arm 407 and carries out elevating movement by motor drive, gets the end of thing arm 407 and is equipped with the double-layered pipe part 408 that is used for pressing from both sides the clamp and get tubular product. After the pipe material is cut into short pipes, the short pipes enter the conveyor belt 8 and are conveyed forwards continuously to enter the rotating cylinder 404, the rotating cylinder 404 is provided with an opening at the front end and a closed tail end, the short pipes can rotate in a reciprocating manner on a vertical plane under the driving of the rotating motor 402, the initial state is the horizontal direction, the short pipes can enter the rotating cylinder 404 conveniently, the in-place sensor sends out a sensing signal after the short pipes enter the rotating cylinder 404, the rotating motor 402 enables the rotating cylinder 404 to rotate to the vertical direction, the opening is upward, the motor drives the object taking arm 407 to move downwards, the motor drives the object taking arm 407 to ascend after grabbing the short pipes by the pipe clamping component 408 at the tail end, the motor drives the object taking arm 407 to ascend, the object taking arm 407 can move back and forth along the top cross beam of the fourth mounting frame 405 under the driving of the slider of the second screw slider mechanism 406, the object taking arm 407, the short pipe is continuously grabbed and taken down, the reciprocating operation is carried out, the labor is saved, and the working efficiency is improved.

As shown in fig. 3 and 10, in the present embodiment, the pipe clamping member 408 includes a mounting block 4081 and four sliding blocks 4082 disposed on the peripheral side surfaces of the mounting block 4081, and the mounting block 4081 has a cylinder built therein for driving the sliding blocks 4082 to extend and retract. When the pipe clamping component 408 clamps the pipe, the fetching arm 407 enables the pipe clamping component 408 to extend into the pipe, and then the cylinder enables the four sliding blocks 4082 to be ejected outwards and tightly pressed against the periphery of the inner side wall of the pipe, so that clamping is completed; when the pipe needs to be put down, the cylinder drives the sliding block 4082 to retract, the sliding block is not tightly propped against the inner side wall of the pipe any more, and then the fetching arm 407 moves upwards to take out the clamping pipe component 408, so that the pipe can be put down.

As shown in fig. 3, in this embodiment, a roller line 9 is provided on the surface of the supporting frame 6, a plurality of collecting frames 5 are placed on the roller line 9, after a box is filled, the roller line 9 is started to remove the filled collecting frame 5, and another empty collecting frame 5 is moved to the collecting position, so that the operation is repeated, thereby saving labor and effectively improving the working efficiency.

In this embodiment, the structure of first screw slider mechanism 201 and second screw slider mechanism 406 is the same, screw slider mechanism includes the shell, the slider, the screw rod, servo motor, the bottom fixed mounting of shell, the screw rod passes through the bearing frame to be fixed in the inside of shell, servo motor locates one side of shell, its projecting shaft stretches into in the shell and couples through the one end of shaft coupling with the screw rod, logical groove has been seted up to the both sides of shell, the screw hole that the slider was seted up through the bottom is installed on the screw rod, and wear out from the logical groove of shell both sides to the both sides of slider, and be fixed with mounting platform at the top. The starting motor can drive the screw rod to rotate in the forward direction and the reverse direction, the through groove of the shell forms an operation track of the sliding block, and the screw rod rotates to drive the mounting platform on the sliding block to do reciprocating linear motion along the operation track. The mounting platform of the first slider-screw mechanism 201 is used for mounting the clamping mechanism, and the mounting platform of the second slider-screw mechanism 406 is used for mounting the fetching arm 407.

s1, placing the pipe on the material placing frame 1 to be fully paved;

s2, a lifting cylinder 106 is driven, the lifting cylinder 106 pushes the square block 105 to ascend to jack up the pipe at the lowest end of the inclined plane, the square block 105 and the gear 103 are lifted to the same plane, and at the moment, the pipe on the material placing frame 1 rolls to fall onto a conveying rail and is supported by a plurality of roller sets 102 due to the fact that the boss 107 with the inclined plane on the square block 105 is tangent to the circumference of the pipe;

s3, driving the first screw slider mechanism 201, driving the clamping mechanism to return to one end close to the conveying track by the first screw slider mechanism 201, enabling the pipe to penetrate through the space between the first clamping block 203 and the second clamping block 204, driving the first clamping cylinder 205 and the second clamping cylinder 206, pushing the two clamping blocks to move inwards by the cylinders to clamp the pipe, and then driving the clamping mechanism to move reversely by the first screw slider mechanism 201, so that the pipe is clamped and conveyed forwards to the pipe cutting device 3;

s4, placing the pipe between the third clamping block 303 and the fourth clamping block 304 of the pipe clamping mechanism, placing the length of the pipe to be cut into a central inlet of a cutter head 307, driving the third clamping cylinder 305 and the fourth clamping cylinder 306 at the moment, enabling the cylinders to push the two clamping blocks to move inwards to clamp the pipe, enabling the cutter 308 to rotate around the center under the driving of a motor, simultaneously driving the rotating cutter 308 to move towards the center of the cutter head 307 by the movable insert 309 under the driving of the cylinders to cut the pipe, then retracting the cylinders, driving the cutter 308 to return to the initial position by the movable insert 309, continuously driving the rest of the pipe to be conveyed forwards by the first screw slider mechanism 201 of the conveying device 2, and pushing the cut short pipe out of the cutter head 307;

s5, pushing the cut short pipe out of the outlet of the cutter head 307, falling into the conveyor belt 8, and conveying the short pipe to the grabbing device 4 by the conveyor belt 8;

s6, after the short pipe enters the conveyor belt 8, the short pipe is continuously conveyed forwards and enters the opening of the rotating cylinder 404 which is horizontally arranged, at the moment, the in-place sensor sends out a sensing signal, then the rotating motor 402 is driven to rotate the rotating cylinder 404 to the vertical direction, the opening is upward, the motor drives the fetching arm 407 to descend, the pipe clamping component 408 at the tail end extends into the inner part of the short pipe, then the sliding block 4082 is pushed out by the cylinder to be tightly pressed against the inner side wall of the short pipe, the short pipe is clamped, the motor drives the fetching arm 407 to ascend after the short pipe is clamped, under the slider drive of second screw slider mechanism 406, get thing arm 407 and move toward collection frame 5 one side along the top crossbeam of fourth mounting bracket 405, the motor makes and gets thing arm 407 down at last, makes the cylinder drive sliding block 4082 of pipe clamping part 408 retract, no longer withholds tightly with the inside wall top of tubular product, later gets thing arm 407 and goes upward and takes out pipe clamping part 408, accomplishes and vertically puts the nozzle stub in collection frame 5.

Wherein when collection frame 5 is filled with a box of pipe stubs, roller line 9 is activated to remove the filled collection frame 5 and move another empty collection frame 5 to the collection position.

In this embodiment, when the fetching arm 407 vertically places the short pipes in the collecting frame 5, the short pipes can be firstly arranged and neatly placed in a first row by controlling the step distance of the second slider-screw mechanism 406, and then the collecting frame 5 is driven by the driving roller line 9 to advance by a row distance, so that the second slider-screw mechanism 406 continues to place the short pipes in a second row by a full row, and so on until the collecting frame 5 is filled, thereby effectively improving the sorting efficiency.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The pipe cutting equipment is characterized by comprising a material placing frame (1) used for placing pipes, wherein a conveying track used for conveying the pipes is arranged on one side of the material placing frame (1), a conveying device (2) used for conveying the pipes is arranged at one end of the conveying track, a pipe cutting device (3) used for cutting the pipes is arranged at the other end of the conveying device (2), a grabbing device (4) used for grabbing the pipes is arranged at the output end of the pipe cutting device (3), a collecting frame (5) used for collecting the pipes is arranged at the bottom of the grabbing device (4), a case (6) with a built-in control unit and a support frame (7) are further arranged, the conveying device (2) and the pipe cutting device (3) are fixed on the case (6), the grabbing device (4) is fixed on the support frame (7), and the conveying device (2), The pipe cutting device (3) and the grabbing device (4) are electrically connected with a control unit arranged in the case (6).

2. The pipe cutting equipment according to claim 1, wherein the blowing frame (1) is a symmetrical frame welded by square pipes, the top surface of the frame is an inclined surface, iron plates (101) are laid on two sides of the frame, the conveying track is arranged on one side of the lowest end of the inclined surface, and the conveying track comprises a plurality of roller groups (102) erected on the blowing frame (1).

3. The pipe cutting equipment according to claim 2, wherein a plurality of gears (103) are protruded from the lowest end of the inclined plane, a lifting mechanism is arranged between the gears (103), the lifting mechanism comprises a supporting plate (104) for fixing, a square block (105) is arranged at the top of the supporting plate (104), a lifting cylinder (106) is arranged at the bottom of the supporting plate (104), an extending shaft of the lifting cylinder (106) penetrates through the supporting plate (104) to be connected with the square block (105), the lifting cylinder (106) drives the square block (105) to lift, the lifting cylinder (106) is electrically connected with a control unit arranged in the machine box (6), and a boss (107) with an inclined plane is arranged on one side of the square block (105) far away from the gears (103) along the length direction of a pipe.

4. The pipe cutting equipment according to claim 1, wherein the transportation device (2) comprises a first screw slide mechanism (201) and a clamping mechanism arranged on the first screw slide mechanism (201), the clamping mechanism comprises a first mounting frame (202) arranged on a slide block of the first screw slide mechanism (201), a first clamping block (203) and a second clamping block (204) for cooperatively clamping the pipe are arranged on the inner side of the top of the first mounting frame (202), and a first clamping cylinder (205) for driving the first clamping block (203) and a second clamping cylinder (206) for driving the second clamping block (204) are arranged on the outer side of the first mounting frame (202).

5. The pipe cutting apparatus according to claim 1, wherein the pipe cutting device (3) comprises a housing (301) and a pipe clamping mechanism and a cutter mechanism which are arranged in the housing (301);

the pipe clamping mechanism comprises a second mounting frame (302) fixed on the surface of the case (6), a third clamping block (303) and a fourth clamping block (304) used for being matched with and clamping a pipe are arranged on the inner side of the top of the second mounting frame (302), and a third clamping cylinder (305) used for driving the third clamping block (303) and a fourth clamping cylinder (306) used for driving the fourth clamping block (304) are arranged on the outer side of the second mounting frame (302);

the cutter mechanism comprises a cutter head (307) fixed on the surface of the case (6) and cutters (308) arranged on the cutter head (307), the cutters (308) are arranged around the central inlet of the cutter head (307), the cutters (308) are mounted on movable inserts (309) of the cutter head (307), motors used for driving the cutters (308) to rotate are arranged on the movable inserts (309), and cylinders used for driving the movable inserts (309) to longitudinally move back and forth towards the center of the cutter head (307) are arranged in the cutter head (307).

6. Pipe cutting apparatus according to claim 5, characterized in that a conveyor belt (8) for conveying the pipe to the gripping device (4) is further provided at the outlet of the cutter head (307), the conveyor belt (8) being mounted on the support frame (7) by means of a bracket.

7. Pipe cutting apparatus according to claim 1, characterized in that the gripping means (4) comprise a rotation mechanism, a gripping mechanism;

the rotating mechanism comprises a third mounting frame (401) fixed on the support frame (7), a rotating motor (402) is arranged on the third mounting frame (401), an extending shaft of the rotating motor (402) is connected with a fixing frame (403), a rotating cylinder (404) used for loading pipes is fixed on the fixing frame (403), the front end of the rotating cylinder (404) is opened, the tail end of the rotating cylinder is closed, and an in-place sensor is arranged inside the rotating cylinder;

the grabbing mechanism comprises a fourth mounting frame (405), the fourth mounting frame (405) is erected above the collecting frame (5), a second screw slider mechanism (406) is arranged at the top of the fourth mounting frame (405), an object taking arm (407) is arranged on a slider of the second screw slider mechanism (406), the object taking arm (407) is driven by a motor to move up and down, and a pipe clamping component (408) for clamping a pipe is mounted at the tail end of the object taking arm (407).

8. The pipe cutting apparatus according to claim 7, wherein the pipe clamping unit (408) comprises a mounting block (4081) and a plurality of sliding blocks (4082) disposed on peripheral sides of the mounting block (4081), and the mounting block (4081) has a cylinder built therein for driving the sliding blocks (4082) to extend and retract.

9. Pipe cutting apparatus according to claim 1, wherein a roller line (9) is provided on the surface of the supporting frame (7), and a plurality of the collecting frames (5) are placed on the roller line (9).

10. A method of cutting a pipe, comprising the steps of:

s1, placing the pipe on the material placing frame (1) to be fully paved;

s2, driving a lifting mechanism, wherein the lifting mechanism enables the pipe on the material placing rack (1) to roll and fall onto a conveying track;

s3, driving a first screw slider mechanism (201) of the conveying device (2), driving the clamping mechanism to move to one end close to the conveying track to clamp the pipe by the first screw slider mechanism (201), and driving the clamping mechanism to move reversely by the first screw slider mechanism (201) to enable the pipe to be clamped and conveyed forwards to the pipe cutting device (3);

s4, one end of the pipe penetrates through the pipe clamp mechanism of the pipe cutting device (3) and extends into the cutter mechanism, the pipe is clamped by the pipe clamp mechanism, then the cutter mechanism is driven to cut off the pipe, after the pipe is cut off, the first screw slider mechanism (201) of the conveying device (2) continues to drive the remaining pipe to convey forwards, and the cut short pipe is pushed out of the cutter mechanism;

s5, pushing the cut short pipe out of the cutter mechanism, falling into the conveyor belt (8), and conveying the short pipe to the grabbing device (4) by the conveyor belt (8);

s6, the short pipe is conveyed forwards through the conveyor belt (8) to the rotating mechanism of the grabbing device (4) to be horizontally placed, then the rotating mechanism enables the pipe to rotate to the vertical direction, the grabbing mechanism moves downwards to grab the short pipe, and the short pipe is vertically placed in the collecting frame (5) in a moving mode.