CN214557802U

CN214557802U - Full-automatic feeding pipe cutting machine with auxiliary feeding structure

Info

Publication number: CN214557802U
Application number: CN202023012476.7U
Authority: CN
Inventors: 罗群; 罗亮
Original assignee: Hefei Siwei Cnc Machinery Co ltd
Current assignee: Hefei Siwei Cnc Machinery Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-11-02
Anticipated expiration: 2030-12-15

Abstract

The utility model provides a full-automatic feeding pipe cutting machine with supplementary material loading structure relates to tubular product cutting technical field. The full-automatic feeding pipe cutting machine comprises a rack and a base, wherein a plurality of auxiliary feeding structures for placing and transporting pipes to be cut are arranged on the base, a plurality of automatic conveying mechanisms for automatically transporting the pipes to be cut in batches, and a plurality of jacking and stretching clamping mechanisms for jacking, stretching, clamping and transporting the pipes to be cut are arranged on the rack and the base; the auxiliary feeding structure comprises an L-shaped frame fixedly connected with one side of the base, one end of the feeding belt is fixed at the position, close to the top, of the L-shaped frame, and the other end of the feeding belt is attached to the roller wheel and then is wound on the winding wheel through the through hole. The utility model discloses supplementary material loading structure bears the weight of waiting to cut tubular product through a plurality of material loading area dispersions, and first drive shaft drive coiling wheel rotates, and the coiling wheel drives the attached running roller tensioning of material loading area and convolutes for the coiling wheel is convoluteed and is stabilized the uniform velocity more, waits to cut tubular product and slides more slowly controllable under the dead weight, and the energy consumption is less.

Description

Full-automatic feeding pipe cutting machine with auxiliary feeding structure

Technical Field

The utility model relates to a tubular product cutting technical field especially relates to full-automatic feeding pipe cutting machine with supplementary material loading structure.

Background

The laser pipe cutting machine is one of laser cutting equipment, and the automatic feeding system who is used for laser pipe cutting machine at present generally can screen the separation to the tubular product, ensures that only a tubular product is sent to the machine tool in.

When tubular product was sent the work or material rest from the material loading area, the quantity and the position of tubular product are random, the position of tubular product is probably being inclined on the work or material rest, the height of overlapping tubular product just colludes the mechanism at same height with the material together, collude the in-process that pushes away the material to big pipe material and probably interfere with tubular product, lead to the material to collude the card and die, the tubular product that is inclining, the material colludes at the in-process that descends, probably interfere with the tubular product that is inclining, lead to the material to collude the card dead, the tubular product perk, the material colludes with the circumstances such as tubular product pressure deformation, damage laser pipe cutting machine, reduce machining efficiency.

The current full-automatic feeding pipe cutting machine lacks a structure for pre-assisting feeding, and can not enable pipes to slowly and controllably enter a conveying structure, so that the conveying efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide the full-automatic feeding pipe cutting machine with supplementary material loading structure.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

the full-automatic feeding pipe cutting machine with the auxiliary feeding structure comprises a frame and a base, wherein a plurality of auxiliary feeding structures for placing and transporting pipes to be cut and a plurality of automatic conveying mechanisms for automatically transporting the pipes to be cut in batches are arranged on the base;

the auxiliary feeding structure comprises an L-shaped frame fixedly connected with one side of the base, a roller frame and a winding wheel which are arranged on the base, wherein the roller frame is provided with a roller, a through hole is formed on the side close to the winding wheel, the axle center of the winding wheel is provided with a first driving shaft, and the end part of the first driving shaft is connected with the differential motor; one end of the feeding belt is fixed at the position, close to the top, of the L-shaped frame, and the other end of the feeding belt is attached to the roller wheel and then wound on the winding wheel through the through hole.

Furthermore, the bottom of material loading area is slided and is equipped with the balancing weight, connects and fixes through first bearing frame through the shaft coupling between the adjacent first drive shaft.

Further, the automatic conveying mechanism comprises a plurality of first feeding frames arranged at equal intervals and a plurality of second feeding frames arranged at equal intervals, the first feeding frames and the second feeding frames are arranged in parallel and close to each other, and the first feeding frames are arranged close to the roller frame; a first driving chain wheel and a first driven chain wheel are arranged on the first feeding frame, the first driving chain wheel is arranged close to the second feeding frame, and a first drag chain is wound on the peripheries of the first driving chain wheel and the first driven chain wheel; and a second driving chain wheel and a second driven chain wheel are arranged on the second feeding frame, the second driving chain wheel is far away from the first feeding frame, and a second drag chain is wound on the peripheries of the second driving chain wheel and the second driven chain wheel.

Furthermore, a plurality of top-extension limiting mechanisms are arranged in parallel at the positions where the first feeding frame and the second feeding frame are close to each other, each top-extension limiting mechanism comprises an air cylinder mounting seat, a first air cylinder is arranged in each air cylinder mounting seat, a telescopic rod of each first air cylinder extends upwards to be connected with a mounting plate, a fixing plate is arranged on the front side of each mounting plate, a plurality of supporting plates are arranged on each fixing plate, supporting tables are connected to the tops of the supporting plates, and the upper surfaces of the supporting tables are kept horizontal; the back of fixed plate is equipped with the limiting plate, and the upper surface that highly is higher than the brace table of limiting plate.

Furthermore, a second driving shaft is arranged on the base, a first driving gear is fixed on the second driving shaft after the second driving shaft penetrates through a second bearing block, and the end part of the second driving shaft is connected with a differential motor; a third bearing seat is arranged on the first feeding frame, a first connecting shaft penetrates through the third bearing seat, one end of the first connecting shaft is connected with the first driving chain wheel, the other end of the first connecting shaft is connected with a first driven gear, and a first chain is wound on the peripheries of the first driving gear and the first driven gear; a fourth bearing seat is arranged on the first feeding frame, one end of a second connecting shaft is connected with the fourth bearing seat, and the other end of the second connecting shaft is connected with a first driven chain wheel; the lateral wall of first material loading frame is equipped with first auxiliary gear, and first auxiliary gear meshes with the surface of first chain.

Furthermore, a third driving shaft is arranged on the base, a second driving gear is fixed on the third driving shaft after the third driving shaft passes through a fifth bearing seat, and the end part of the third driving shaft is connected with a differential motor; a sixth bearing seat is arranged on the second feeding frame, a third connecting shaft penetrates through the sixth bearing seat, one end of the third connecting shaft is connected with the second driving chain wheel, the other end of the third connecting shaft is connected with a second driven gear, and a second chain is wound on the peripheries of the second driving gear and the second driven gear; a seventh bearing seat is arranged on the second feeding frame, one end of a fourth connecting shaft is connected with the seventh bearing seat, and the other end of the fourth connecting shaft is connected with a second driven sprocket; the lateral wall of the second feeding frame is provided with a second auxiliary gear, and the second auxiliary gear is meshed with the outer surface of the second chain.

Further, fixture is stretched on top includes the sliding stand, go up the friction platform, the cylinder structure is stretched on top and the sliding stand is fixed in the bottom of frame, go up the upper surface contact that friction platform and sliding stand are close to first last work or material rest side, the upper surface of going up the friction platform is equipped with the eighth bearing frame, fourth drive shaft passes and is connected with first belt pulley behind the eighth bearing frame, one side lateral wall front end of sliding stand is equipped with the second belt pulley, the lateral wall rear end is equipped with the third belt pulley, be equipped with two supplementary movable pulleys between second belt pulley and the third belt pulley.

Furthermore, a connecting column is arranged at the bottom of the sliding table, an engaging plate is arranged at the top of the connecting column, which extends out of the side of the auxiliary sliding wheel, and one end of the transmission belt passes through the first belt pulley, one of the auxiliary sliding wheels, the second belt pulley, the engaging plate and the third belt pulley and then is arranged in a closed surrounding manner from the other auxiliary sliding wheel; the lower surface of the engaging plate is engaged with the inner surface of the transmission belt; the side wall of the sliding table opposite to the second belt pulley is provided with a sliding rail, and the sliding rail is provided with a moving table in a sliding manner.

Furthermore, a pneumatic clamping mechanism is arranged on one side, close to the second feeding frame, of the mobile station, a plurality of first sliding blocks in sliding connection with the sliding rails are arranged on the inner wall of the other side of the mobile station, and one end of the connecting column is fixed to the inner wall of the mobile station; the spliced pole is connected with lower friction platform through the connecting plate, and the upper surface of lower friction platform contacts with the lower surface of sliding stand.

Furthermore, the pneumatic clamping mechanism comprises a second air cylinder, a clamping mounting plate, an upper clamping plate and a lower clamping plate, the clamping mounting plate is arranged at one end, away from the first sliding block, of the mobile station, the surface of the clamping mounting plate is provided with two second sliding blocks which are arranged in parallel, the bottom of the upper clamping plate and the top of the lower clamping plate are respectively arranged on the second sliding blocks in a sliding mode, and a telescopic rod of the second air cylinder is fixedly connected with the upper clamping plate through a folded plate; and a rolling gear is rotatably connected between the two second sliding blocks on the clamping mounting plate, and straight racks meshed with the rolling gear are arranged on the inner wall of the bottom of the upper clamping plate and the inner wall of the top of the lower clamping plate.

The utility model has the advantages that:

the utility model discloses full-automatic feeding pipe cutting machine with supplementary material loading structure, it can transport with automizing to wait to cut tubular product, material loading, send into the cutting behind the centre gripping, be used for placing and transporting a plurality of supplementary material loading structures of waiting to cut tubular product through setting up on the base, bear the weight of waiting to cut tubular product through a plurality of material loading area dispersions, first drive shaft drive coiling wheel rotates, the coiling wheel drives the attached running roller tensioning of material loading area and convolutes, make the coiling wheel convolute more stable uniform velocity, it is more slowly controllable to wait to cut tubular product and slide under the dead weight, and the energy consumption is less.

Drawings

Fig. 1 is a three-dimensional view of the full-automatic feeding pipe cutting machine with an auxiliary feeding structure of the present invention, wherein an L-shaped frame and a top-extending cylinder structure are not shown in the figure;

fig. 2 is another perspective three-dimensional view of the full automatic feeding pipe cutter with auxiliary feeding structure of the present invention, in which the L-shaped frame and the top-extending cylinder structure are not shown;

fig. 3 is an assembly view of the auxiliary feeding structure and the automatic feeding structure of the present invention, wherein the L-shaped frame is not shown in the figure;

fig. 4 is another assembly view of the auxiliary feeding structure and the automatic feeding structure of the present invention, in which the L-shaped frame is not shown;

fig. 5 is a side view of the auxiliary feeding structure of the present invention;

fig. 6 is a three-dimensional view of the structure of the top extension limiting mechanism and the top extension cylinder of the present invention;

fig. 7 is another perspective three-dimensional view of the top extension limiting mechanism and the top extension cylinder structure of the present invention;

fig. 8 is a three-dimensional view of the top-extension clamping mechanism of the present invention, in which the top-extension cylinder structure is not shown;

fig. 9 is another perspective three-dimensional view of the top-extension clamping mechanism of the present invention, in which the top-extension cylinder structure is not shown;

fig. 10 is a side view of the top-extended clamping mechanism of the present invention;

fig. 11 is a three-dimensional view of the pneumatic clamping mechanism of the present invention.

In the figure: 100. a frame; 200. a base; 300. an auxiliary feeding structure; 400. an automatic conveying mechanism; 500. a jacking and clamping mechanism; 310. an L-shaped frame; 320. a roller frame; 321. a roller; 330. a winding wheel; 340. a first drive shaft; 341. a coupling; 342. a first bearing housing; 350. feeding a material belt; 360. a balancing weight; 410. a first feeding frame; 411. a first drive sprocket; 412. a first driven sprocket; 413. a first tow chain; 420. a second feeding frame; 421. a second drive sprocket; 422. a second driven sprocket; 423. a second tow chain; 430. a second drive shaft; 431. a second bearing housing; 432. a first drive gear; 433. a third bearing seat; 434. a first connecting shaft; 435. a first driven gear; 436. a first chain; 437. a fourth bearing seat; 438. a second connecting shaft; 439. a first auxiliary gear; 440. a third drive shaft; 441. a fifth bearing seat; 442. a second driving gear; 443. a sixth bearing housing; 444. a third connecting shaft; 445. a second driven gear; 446. a second chain; 447. a seventh bearing seat; 448. a fourth connecting shaft; 449. a second auxiliary gear; 450. a cylinder mounting seat; 451. a first cylinder; 452. mounting a plate; 453. a fixing plate; 454. a support plate; 455. a support table; 456. a limiting plate; 510. a sliding table; 511. a slide rail; 512. a mobile station; 513. a first slider; 514. a connecting plate; 515. a lower friction table; 516. a second cylinder; 517. clamping the mounting plate; 518. an upper clamping plate; 519. a lower clamping plate; 520. an upper friction table; 521. an eighth bearing seat; 522. a fourth drive shaft; 523. a first pulley; 524. a second pulley; 525. a third belt pulley; 526. an auxiliary sheave; 527. connecting columns; 528. an engaging plate; 529. a drive belt; 530. a rolling gear; 531. a straight rack; 532. a second slider; 533. and (5) turning the folded plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1 to 11, the full automatic feeding and pipe cutting machine with auxiliary feeding structure of the present embodiment includes a frame 100 and a base 200, wherein a plurality of auxiliary feeding structures 300 for placing and transporting pipes to be cut are disposed on the base 200, a plurality of automatic conveying mechanisms 400 for automatically transporting pipes to be cut in batches, and a plurality of top-extending clamping mechanisms 500 for top-extending and clamping the pipes to be cut are disposed on the frame 100 and the base 200.

The quantity that supplementary feed structure 300, automatic conveying mechanism 400, the fixture 500 were stretched on top that show in this embodiment drawing is one, but the utility model discloses a protection scope is by no means limited only to one, and a plurality of also belong to the utility model discloses a protection scope, treat to cut the preferred square pipe of tubular product, preferred laser cutting when cutting the pipe.

The auxiliary feeding structure 300 comprises an L-shaped frame 310 fixedly connected with one side of the base 200, a roller frame 320 and a winding wheel 330 which are arranged on the base 200, wherein the roller frame 320 is provided with a roller 321, a through hole is arranged at the side close to the winding wheel 330, the axle center of the winding wheel 330 is provided with a first driving shaft 340, and the end part of the first driving shaft 340 is connected with a differential motor; one end of the feeding belt 350 is fixed near the top of the L-shaped frame 310, and the other end is attached to the roller 321 and then wound on the winding wheel 330 through the through hole.

The width of the feeding belt 350 is 20-30cm, the feeding belt is in a tensioning state during working, and the bottom of the feeding belt is slidably provided with a balancing weight 360; the adjacent first driving shafts 340 are connected by a coupling 341 and fixed by a first bearing housing 342.

When the auxiliary feeding structure 300 works, a plurality of pipes to be cut are placed on the upper surfaces of the plurality of feeding belts 350 in advance, the handheld balancing weight 360 slides to enable the plurality of pipes to be cut to be basically kept at a horizontal position, the differential motor is started, the differential motor rotates clockwise to drive the first driving shaft 340 to rotate, the first driving shaft 340 drives the adjacent first driving shaft 340 to rotate through the coupler 341, the winding wheel 330 rotates clockwise to drive the feeding belts 350 to wind, the feeding belts 350 are enabled to reach a tensioning state, and the pipes to be cut sequentially slide downwards to the automatic conveying mechanism 400 under the action of gravity.

Supplementary material loading structure 300 bears the weight of waiting to cut tubular product through a plurality of material loading strips 350 dispersion to drive the take-up pulley 330 through a plurality of first drive shafts 340 and rotate, the take-up pulley 330 drives the attached running roller 321 tensioning of material loading strip 350 and convolutes, makes the take-up pulley coiling stabilize the uniform velocity more, and it is more slowly controllable to wait to cut tubular product and slide under the dead weight, and the energy consumption is less.

The automatic conveying mechanism 400 includes a plurality of first feeding frames 410 arranged at equal intervals and a plurality of second feeding frames 420 arranged at equal intervals, the first feeding frames 410 and the second feeding frames 420 are arranged in parallel and close to each other, and the first feeding frames 410 are arranged close to the roller frame 320. A first driving sprocket 411 and a first driven sprocket 412 are arranged on the first feeding frame 410, the first driving sprocket 411 is arranged close to the second feeding frame 420, and a first drag chain 413 is wound on the peripheries of the first driving sprocket 411 and the first driven sprocket 412; the second feeding frame 420 is provided with a second driving sprocket 421 and a second driven sprocket 422, the second driving sprocket 421 is far away from the first feeding frame 410, and a second drag chain 423 is wound around the peripheries of the second driving sprocket 421 and the second driven sprocket 422.

When the pipe to be cut slides to the first drag chain 413 under the self-weight, the first driving sprocket 411 drives the first drag chain 413 and the first driven sprocket 412 to rotate, so that the pipe to be cut moves forwards until the second drag chain 423, and the second driving sprocket 421 drives the second drag chain 423 and the second driven sprocket 422 to rotate, so that the pipe to be cut continues to move forwards.

The mutual department of being close to of first work or material rest 410 and second work or material rest 420 is provided with a plurality of tops in parallel and stretches stop gear, and the top is stretched stop gear and is included cylinder mount pad 450, is equipped with first cylinder 451 in the cylinder mount pad 450, and the telescopic link of first cylinder 451 upwards extends and is connected with mounting panel 452, and the front of mounting panel 452 is equipped with fixed plate 453, is equipped with a plurality of backup pads 454 on the fixed plate 453, and the top of backup pad 454 is connected with a supporting bench 455, and the upper surface of supporting bench 455 keeps the level. The back surface of the fixing plate 453 is provided with a limiting plate 456, and the height of the limiting plate 456 is higher than the upper surface of the supporting base 455.

The design of the top extension limiting mechanism is that when one pipe to be cut enters the second drag chain 423, the second pipe to be cut is arranged on the supporting table 455, the telescopic rod of the first cylinder 451 is controlled to move upwards to drive the fixing plate 453, the supporting table 455 and the limiting plate 456 to move upwards, the limiting plate 456 limits the second pipe to be cut to move, the pipe to be cut is prevented from entering the second drag chain 423, the sequential feeding sequence of the pipes to be cut is kept, and feeding disorder is avoided.

A second driving shaft 430 is arranged on the base 200, a first driving gear 432 is fixed on the second driving shaft 430 after the second driving shaft 430 passes through a second bearing seat 431, and a differential motor is connected to the end of the second driving shaft 430; a third bearing base 433 is arranged on the first feeding frame 410, a first connecting shaft 434 penetrates through the third bearing base 433, one end of the first connecting shaft 434 is connected with the first driving sprocket 411, the other end of the first connecting shaft is connected with a first driven gear 435, and a first chain 436 is wound around the peripheries of the first driving gear 432 and the first driven gear 435. The first feeding frame 410 is provided with a fourth bearing seat 437, one end of the second connecting shaft 438 is connected with the fourth bearing seat 437, and the other end is connected with the first driven sprocket 412. The side wall of the first loading frame 410 is provided with a first auxiliary gear 439, and the first auxiliary gear 439 is engaged with the outer surface of the first chain 436.

When the differential motor drives the second driving shaft 430 to rotate, the second driving shaft 430 drives the first driving gear 432 to rotate, so that the first driven gear 435 and the first chain 436 rotate along with the second driving gear, the first chain 436 drives the first driving sprocket 411 to rotate smoothly through the first connecting shaft 434, and the first auxiliary gear 439 enables the rotation of the first chain 436 to be more smoothly and controllably controlled.

A third driving shaft 440 is arranged on the base 200, a second driving gear 442 is fixed on the third driving shaft 440 after the third driving shaft 440 passes through a fifth bearing seat 441, and a differential motor is connected to the end of the third driving shaft 440; a sixth bearing seat 443 is arranged on the second feeding frame 420, a third connecting shaft 444 penetrates through the sixth bearing seat 443, one end of the third connecting shaft 444 is connected with the second driving sprocket 421, the other end of the third connecting shaft is connected with a second driven gear 445, and a second chain 446 is wound around the peripheries of the second driving gear 442 and the second driven gear 445. The second feeding frame 420 is provided with a seventh bearing seat 447, one end of the fourth connecting shaft 448 is connected with the seventh bearing seat 447, and the other end is connected with the second driven sprocket 422. The side wall of the second loading frame 420 is provided with a second auxiliary gear 449, and the second auxiliary gear 449 is engaged with the outer surface of the second chain 446.

When the differential motor drives the third driving shaft 440 to rotate, the third driving shaft 440 drives the second driving gear 442 to rotate, so that the second driven gear 445 and the second chain 446 rotate along with the second driving gear, the second chain 446 drives the second driving sprocket 421 to rotate smoothly through the third connecting shaft 444, and the second auxiliary gear 449 enables the rotation of the second chain 446 to be more smoothly controllable.

The top-extension clamping mechanism 500 comprises a sliding table 510, an upper friction table 520 and a top-extension cylinder structure, the top-extension cylinder structure is the same as the top-extension limiting mechanism in structure, the difference is that the top-extension cylinder structure is arranged at the tail end of the second upper material frame 420, and the specific structure and the connection relation are not repeated here.

The top extension cylinder structure and the sliding table 510 are fixed at the bottom of the machine frame 100, the upper friction table 520 is in contact with the upper surface of the sliding table 510 close to the first upper material frame 410, an eighth bearing seat 521 is arranged on the upper surface of the upper friction table 520, a fourth driving shaft 522 penetrates through the eighth bearing seat 521 and is connected with a first belt pulley 523, a second belt pulley 524 is arranged at the front end of the side wall of one side of the sliding table 510, a third belt pulley 525 is arranged at the rear end of the side wall, two auxiliary sliding wheels 526 are arranged between the second belt pulley 524 and the third belt pulley 525, a connecting column 527 is arranged at the bottom of the sliding table 510, an engaging plate 528 is arranged at the top of the connecting column 527 extending out of the auxiliary sliding wheels 526, one end of a driving belt 529 is arranged in a surrounding and closing manner from the other auxiliary sliding wheel 526 after passing through the first belt pulley 523, one of the auxiliary sliding wheels 526, the second belt pulley 524, the engaging plate 528 and the third belt pulley 525. The lower surface of the engagement plate 528 engages with the inner surface of the drive belt 529.

A sliding rail 511 is arranged on the side wall of the sliding table 510 opposite to the second belt pulley 524, a moving table 512 is arranged on the sliding rail 511 in a sliding manner, a pneumatic clamping mechanism is arranged on one side of the moving table 512 close to the second feeding frame 420, a plurality of first sliding blocks 513 connected with the sliding rail 511 in a sliding manner are arranged on the inner wall of the other side of the moving table 512, and one end of a connecting column 527 is fixed with the inner wall of the moving table 512; the connection post 527 is connected to a lower friction table 515 through a connection plate 514, and the upper surface of the lower friction table 515 is in contact with the lower surface of the sliding table 510. The pneumatic clamping mechanism comprises a second air cylinder 516, a clamping mounting plate 517, an upper clamping plate 518 and a lower clamping plate 519, the clamping mounting plate 517 is arranged at one end, far away from the first sliding block 513, of the mobile station 512, the surface of the clamping mounting plate 517 is provided with two second sliding blocks 532 arranged in parallel, the bottom of the upper clamping plate 518 and the top of the lower clamping plate 519 are respectively arranged on the second sliding blocks 532 in a sliding mode, an expansion rod of the second air cylinder 516 is fixedly connected with the upper clamping plate 518 through a turning plate 533, the clamping mounting plate 517 is located between the two second sliding blocks 532 and is rotatably connected with a rolling gear 530, and a straight rack 531 meshed with the rolling gear 530 is arranged on the inner wall of the bottom of the upper clamping plate 518 and the inner wall of the top of the lower clamping plate 519.

When the jacking and clamping mechanism 500 works, when a pipe to be cut is conveyed to the tail end of the second feeding frame 420 through the second drag chain 423, the jacking and clamping mechanism is jacked upwards by a jacking cylinder structure and is limited, the differential motor drives the first belt pulley 523 to rotate, the first belt pulley 523 drives the transmission belt 529 to pass through one of the auxiliary sliding wheels 526, the second belt pulley 524, the meshing plate 528 and the third belt pulley 525 and then to move around from the other auxiliary sliding wheel 526, friction force is generated between the inner surface of the transmission belt 529 and the lower surface of the meshing plate 528, the connecting column 527 drives the moving table 512 to move forwards along the sliding rail 511, the upper surface of the lower friction table 515 is in contact with the lower surface of the sliding table 510, a certain friction force is added for the movement of the moving table 512, and the moving table 512 can move accurately and slowly; after the clamping areas of the upper clamping plate 518 and the lower clamping plate 519 move to the pipe to be cut, the telescopic rod of the second cylinder 516 moves downwards to drive the upper clamping plate 518 to move downwards along the second sliding block 532, and the straight-moving rack 531 drives the lower clamping plate 519 to move upwards along the other second sliding block 532 until the pipe to be cut is stably clamped; after clamping, the moving table 512 continues to move forward, and the pipe to be cut is conveyed to the laser cutting area for cutting.

The working method of the full-automatic feeding pipe cutting machine with the auxiliary feeding structure comprises the following steps:

a) the method comprises the following steps that a plurality of pipes to be cut are placed on the upper surfaces of a plurality of feeding belts 350 in advance, the balancing weight 360 enables the pipes to be cut to basically keep horizontal positions, a differential motor rotates clockwise to drive a first driving shaft 340 to rotate, the first driving shaft 340 drives an adjacent first driving shaft 340 to rotate through a coupler 341, a winding wheel 330 rotates clockwise to drive the feeding belts 350 to wind, the feeding belts 350 are enabled to be in a tensioning state, and the pipes to be cut sequentially slide downwards to the automatic conveying mechanism 400 under the action of gravity;

b) when the pipe to be cut slides onto the first drag chain 413 under the self-weight, the differential motor drives the second driving shaft 430 to rotate, the second driving shaft 430 drives the first driving gear 432 to rotate, so that the first driven gear 435 and the first chain 436 rotate along with the first driving gear, and the first chain 436 drives the first driving sprocket 411 to rotate stably through the first connecting shaft 434; the first driving sprocket 411 drives the first drag chain 413 and the first driven sprocket 412 to rotate, so that the pipe to be cut moves forwards until the second drag chain 423, and the second driving sprocket 421 drives the second drag chain 423 and the second driven sprocket 422 to rotate, so that the pipe to be cut continues to move forwards;

c) when a pipe to be cut enters the second drag chain 423, a second pipe to be cut is placed on the supporting table 455, the telescopic rod of the first cylinder 451 moves upwards to drive the fixing plate 453, the supporting table 455 and the limiting plate 456 to move upwards, the limiting plate 456 limits the movement of the second pipe to be cut, the second pipe to be cut is prevented from entering the second drag chain 423, the sequential feeding sequence of the pipes to be cut is kept, and feeding disorder is avoided;

d) the differential motor drives the third driving shaft 440 to rotate, the third driving shaft 440 drives the second driving gear 442 to rotate, so that the second driven gear 445 and the second chain 446 rotate along with the third driving gear, and the second chain 446 drives the second driving sprocket 421 to rotate smoothly through the third connecting shaft 444;

e) when a pipe to be cut is transported to the tail end of the second feeding frame 420 through the second drag chain 423, the jacking cylinder structure jacks the pipe upwards and limits the pipe, the differential motor drives the first belt pulley 523 to rotate, the first belt pulley 523 drives the transmission belt 529 to move around from the other auxiliary sliding wheel 526 after passing through one auxiliary sliding wheel 526, the second belt pulley 524, the meshing plate 528 and the third belt pulley 525, friction is generated between the inner surface of the transmission belt 529 and the lower surface of the meshing plate 528, and the connecting column 527 drives the moving table 512 to move forwards along the sliding rail 511;

f) after the clamping areas of the upper clamping plate 518 and the lower clamping plate 519 move to the pipe to be cut, the telescopic rod of the second cylinder 516 moves downwards to drive the upper clamping plate 518 to move downwards along the second sliding block 532, and the straight-moving rack 531 drives the lower clamping plate 519 to move upwards along the other second sliding block 532 until the pipe to be cut is stably clamped; after clamping, the moving table 512 continues to move forward, and the pipe to be cut is conveyed to the laser cutting area for cutting.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The full-automatic feeding pipe cutting machine with the auxiliary feeding structure comprises a machine frame and a base, and is characterized in that a plurality of auxiliary feeding structures for placing and transporting pipes to be cut and a plurality of automatic conveying mechanisms for automatically transporting the pipes to be cut in batches are arranged on the base, and a plurality of jacking and stretching clamping mechanisms for jacking, stretching and clamping and transporting the pipes to be cut are arranged on the machine frame and the base;

2. The full-automatic pipe feeding and cutting machine with the auxiliary feeding structure as claimed in claim 1, wherein the bottom of the feeding belt is slidably assembled with a weight block, and adjacent first driving shafts are connected through a coupling and fixed through a first bearing seat.

3. The full-automatic pipe feeding and cutting machine with the auxiliary feeding structure as claimed in claim 1, wherein the automatic conveying mechanism comprises a plurality of first feeding frames arranged at equal intervals and a plurality of second feeding frames arranged at equal intervals, the first feeding frames and the second feeding frames are arranged in parallel and close to each other, and the first feeding frames are arranged close to the roller frame; a first driving chain wheel and a first driven chain wheel are arranged on the first feeding frame, the first driving chain wheel is arranged close to the second feeding frame, and a first drag chain is wound on the peripheries of the first driving chain wheel and the first driven chain wheel; and a second driving chain wheel and a second driven chain wheel are arranged on the second feeding frame, the second driving chain wheel is far away from the first feeding frame, and a second drag chain is wound on the peripheries of the second driving chain wheel and the second driven chain wheel.

4. The full-automatic feeding pipe cutting machine with the auxiliary feeding structure is characterized in that a plurality of jacking limiting mechanisms are arranged in parallel at the positions, close to each other, of the first feeding frame and the second feeding frame, each jacking limiting mechanism comprises a cylinder mounting seat, a first cylinder is arranged in each cylinder mounting seat, a telescopic rod of each first cylinder is connected with a mounting plate in an upward extending mode, a fixing plate is arranged on the front face of each mounting plate, a plurality of supporting plates are arranged on each fixing plate, supporting tables are connected to the tops of the supporting plates, and the upper surfaces of the supporting tables are kept horizontal; the back of fixed plate is equipped with the limiting plate, and the upper surface that highly is higher than the brace table of limiting plate.

5. The full-automatic pipe feeding and cutting machine with the auxiliary feeding structure as claimed in claim 3, wherein a second driving shaft is arranged on the base, a first driving gear is fixed to the second driving shaft after the second driving shaft passes through a second bearing block, and a differential motor is connected to the end of the second driving shaft; a third bearing seat is arranged on the first feeding frame, a first connecting shaft penetrates through the third bearing seat, one end of the first connecting shaft is connected with the first driving chain wheel, the other end of the first connecting shaft is connected with a first driven gear, and a first chain is wound on the peripheries of the first driving gear and the first driven gear; a fourth bearing seat is arranged on the first feeding frame, one end of a second connecting shaft is connected with the fourth bearing seat, and the other end of the second connecting shaft is connected with a first driven chain wheel; the lateral wall of first material loading frame is equipped with first auxiliary gear, and first auxiliary gear meshes with the surface of first chain.

6. The full-automatic pipe feeding and cutting machine with the auxiliary feeding structure as claimed in claim 3, wherein a third driving shaft is arranged on the base, a second driving gear is fixed to the third driving shaft after the third driving shaft passes through a fifth bearing seat, and a differential motor is connected to the end of the third driving shaft; a sixth bearing seat is arranged on the second feeding frame, a third connecting shaft penetrates through the sixth bearing seat, one end of the third connecting shaft is connected with the second driving chain wheel, the other end of the third connecting shaft is connected with a second driven gear, and a second chain is wound on the peripheries of the second driving gear and the second driven gear; a seventh bearing seat is arranged on the second feeding frame, one end of a fourth connecting shaft is connected with the seventh bearing seat, and the other end of the fourth connecting shaft is connected with a second driven sprocket; the lateral wall of the second feeding frame is provided with a second auxiliary gear, and the second auxiliary gear is meshed with the outer surface of the second chain.

7. The full-automatic pipe feeding and cutting machine with the auxiliary feeding structure as claimed in claim 1, wherein the jacking and clamping mechanism comprises a sliding table, an upper friction table and a jacking cylinder structure, the jacking cylinder structure and the sliding table are fixed at the bottom of the machine frame, the upper friction table is in contact with the upper surface of the sliding table close to the first feeding frame side, an eighth bearing seat is arranged on the upper surface of the upper friction table, a fourth driving shaft penetrates through the eighth bearing seat and is connected with a first belt pulley, a second belt pulley is arranged at the front end of one side wall of the sliding table, a third belt pulley is arranged at the rear end of the side wall, and two auxiliary sliding wheels are arranged between the second belt pulley and the third belt pulley.

8. The full-automatic pipe feeding and cutting machine with the auxiliary feeding structure as claimed in claim 7, wherein the bottom of the sliding table is provided with a connecting column, the top of the connecting column, which extends out of the side of the auxiliary sliding wheel, is provided with an engaging plate, one end of the transmission belt passes through the first belt pulley, one of the auxiliary sliding wheels, the second belt pulley, the engaging plate and the third belt pulley and then is arranged around and closed from the other auxiliary sliding wheel; the lower surface of the engaging plate is engaged with the inner surface of the transmission belt; the side wall of the sliding table opposite to the second belt pulley is provided with a sliding rail, and the sliding rail is provided with a moving table in a sliding manner.

9. The full-automatic pipe feeding and cutting machine with the auxiliary feeding structure as claimed in claim 8, wherein a pneumatic clamping mechanism is arranged on one side of the moving table close to the second feeding frame, a plurality of first sliding blocks slidably connected with the sliding rails are arranged on the inner wall of the other side of the moving table, and one end of the connecting column is fixed to the inner wall of the moving table; the spliced pole is connected with lower friction platform through the connecting plate, and the upper surface of lower friction platform contacts with the lower surface of sliding stand.

10. The full-automatic feeding pipe cutting machine with the auxiliary feeding structure as claimed in claim 9, wherein the pneumatic clamping mechanism comprises a second cylinder, a clamping mounting plate, an upper clamping plate and a lower clamping plate, the clamping mounting plate is arranged at one end of the mobile station far away from the first slide block, two second slide blocks arranged in parallel are arranged on the surface of the clamping mounting plate, the bottom of the upper clamping plate and the top of the lower clamping plate are respectively arranged on the second slide blocks in a sliding manner, and a telescopic rod of the second cylinder is fixedly connected with the upper clamping plate through a turnover plate; and a rolling gear is rotatably connected between the two second sliding blocks on the clamping mounting plate, and straight racks meshed with the rolling gear are arranged on the inner wall of the bottom of the upper clamping plate and the inner wall of the top of the lower clamping plate.