CN114247927A

CN114247927A - Pipe cutting machine

Info

Publication number: CN114247927A
Application number: CN202111682770.5A
Authority: CN
Inventors: 孙华丽; 汪鹏跃; 钱杨; 翁志浩; 徐军标; 虞银涛
Original assignee: Yonggao Co Ltd
Current assignee: Yonggao Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-03-29

Abstract

The invention provides a pipe cutting machine for pipes, and belongs to the technical field of pipe cutting machines. It has solved the not high problem of stability of current tubular product cutting. This tubular product pipe cutting machine, including the frame and the cutter of cutting tubular product, be equipped with many pairs of tight seats of clamp with tubular product clamp and can transport the conveying structure in pressing from both sides tight seat with tubular product on the frame, every presss from both sides all to have on the tight seat and is curved splint, be equipped with the clearance that can supply the cutter embedding between the splint of two adjacent pairs of tight seats, every can relative movement to pressing from both sides tight seat, and every closes to enclose the cavity that can supply tubular product to place to the splint that press from both sides tight seat when drawing close each other, every is equipped with buffer spacer between pressing from both sides tight seat, conveying structure includes two clamp plates that can relative movement, and can press from both sides tubular product when two clamp plates draw close each other, the clamp plate sets up in the outside of pressing from both sides tight seat. This tubular product pipe cutting machine has avoided tubular product to produce the displacement in cutting process and has leaded to the cutting effect relatively poor, further promotion the stability of tubular product cutting.

Description

Pipe cutting machine

Technical Field

The invention belongs to the technical field of pipe cutting machines, and relates to a pipe cutting machine.

Background

The existing pipe is longer and not cut off in the production process, and does not need so long length usually when using, consequently need cut off the pipe, because the pipe is great heavier, consequently adopts the manual cutting, wastes time and energy to the precision of cutting can't be guaranteed, reduces the cutting efficiency of pipe, consequently has developed various pipe cutting machines:

as in chinese patent application [ grant publication No.: CN207509291U discloses a pneumatic pipe cutting mechanism and a corrugated pipe cutting machine, which comprises a fixing support, a cylinder located at the top of the fixing support, and a cutter vertically moving up and down driven by a piston rod of the cylinder, wherein a guiding opening is arranged on the fixing support, after the corrugated pipe horizontally penetrates into the guiding opening, the cylinder drives the cutter to move vertically and downward, namely, the corrugated pipe is cut from the top of the corrugated pipe, a guiding mechanism is sleeved in the guiding opening, the guiding mechanism comprises an introduction pipe and an extraction pipe, a cutter notch right opposite to the cutter is arranged on the extraction pipe, so that the cutter extends into the corrugated pipe from the notch, the introduction pipe and the extraction pipe respectively comprise a pair of half-moon pipes which are mutually matched, and corresponding clamping devices are respectively arranged at the outer sides of the pair of half-moon pipes to adjust the pipe diameters of the introduction pipe and the extraction pipe.

Above-mentioned structure is through setting up two pairs of semilunar tubes, and two pairs of semilunar tubes pass through the fixed formation of fastener and draw-off pipe, because before the cutting, the bellows is sent into the approach tube and is drawn off intraductally through transport mechanism, the cutter breach that the cutter passes through the draw-off pipe cuts the bellows of drawing off intraductally, because the bellows need slide in approach tube and draw-off pipe, consequently, approach tube and draw-off pipe can only supply the bellows to place and not fix a position the bellows, lead to at the cutting in-process, the bellows can take place to rock, thereby make the bellows can take place the displacement after the atress that receives the cutter in the cutting process, the deviation can appear at the cutting in-process to the bellows, the follow-up use of bellows has been influenced, the stability of bellows cutting has been reduced.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a pipe cutting machine for pipes, and solves the technical problems that: how to solve the problem that the stability of current tubular product cutting is not high.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a pipe cutting machine, includes the cutter of frame and cutting tubular product, be equipped with in the frame many pairs with tubular product press from both sides tight seat and can transport the conveying structure in pressing from both sides tight seat with tubular product, every presss from both sides and all has to be curved splint on the tight seat, is equipped with the clearance that can supply the cutter embedding between the splint of two adjacent pairs of tight seats, and its characterized in that, every can relative movement to pressing from both sides tight seat, and every closes to pressing from both sides the splint on the tight seat and enclose the cavity that can supply tubular product to place when closing up each other when pressing from both sides tight seat, every is equipped with buffer spacer between pressing from both sides tight seat, conveying structure includes two can relative movement's grip block, and can press from both sides tubular product tightly when two grip block draw together, the grip block sets up in the outside of pressing from both sides tight seat.

The working principle is as follows: the formed pipe is conveyed into the cavity of the clamping seats through the conveying structure, the pipe is conveyed to pass through the gap, then each pair of clamping seats are mutually closed, the pipe positioned in the cavity is clasped through the clamping plate, and the pipe positioned on the outer side of the clamping seats is clamped through the two clamping plates, because the length of the pipe is longer and the pipe on the conveying structure is longer, when the pipe is clamped by the clamping seat, the pipe positioned at the end of the conveying structure is likely to shake, so that the pipe is clamped by the clamping plate, the pipe positioned on the conveying structure is prevented from influencing cutting, and multi-section positioning of the pipe is realized; the arrangement of the buffer gasket can buffer the descending of the clamping seat, so that the clamping seat is prevented from damaging the pipe while stably limiting the pipe, the pressure on the pipe is reduced, the pipe is ensured not to be abraded in the positioning process, and the cutting quality of the pipe is improved; the cutter of redriving cuts tubular product, accomplish the back with the tubular product cutting, will every keep away from each other to pressing from both sides tight seat, thereby remove the location to tubular product, and convey the cavity with the tubular product of not cutting through the conveying structure, and it is ejecting with the tubular product that the cavity was cut up, hold tubular product tightly and cut starting the driving piece after ejecting, through setting up two relative movement's the tight seat of clamp, and be located the clamp plate that the tight seat of clamp can draw close each other outward, the multistage location to tubular product has been realized, consequently, can realize the stable cutting of tubular product, it leads to cutting effect relatively poor to have avoided tubular product to produce the displacement in cutting process, further promotion the stability of tubular product cutting.

In the pipe cutting machine, a gap is formed between every two adjacent pairs of clamping seats, and one end of the clamping plate extends out of the clamping seats and is arranged in the gap.

The setting of this structure for it is nearer not to need the distance between two adjacent tight seats of clamp, only need stretch out the one end of splint press from both sides tight seat and set up in the space can, consequently lower to the requirement of pressing from both sides tight seat, and only need set up suitable splint can, also make can cut the width and be greater than the tubular product in clearance, realized the cutting to shorter tubular product, promoted tubular product cutting machine's suitability.

In the in-service use process, for the stability of further assurance cutting, can set up in the space and promote other parts that the cutter is stable, the space also provides great setting space for the cutter, makes things convenient for the setting of cutter and other parts.

In foretell tubular product pipe cutting machine, the frame includes the mounting panel, transport structure is including setting up on the mounting panel and the backup pad of sliding connection on the slide rail along the slide rail and the length direction setting of splint, the pinch-off blades all sets up in the backup pad, still be equipped with the die clamping cylinder that one of them pinch-off blades of drive another pinch-off blades relatively removed in the backup pad, have the space that can supply tubular product to place between two pinch-off blades.

Still be equipped with push cylinder on the mounting panel, push cylinder can promote backup pad lateral shifting, setting through die clamping cylinder in slide rail and the backup pad, the width direction of the splint that has realized tubular product removes and the length direction removal of splint, and it is fixed with one of them pinch-off blades, another pinch-off blades promotes tubular product and compresses tightly tubular product on one of them pinch-off blades, make fixed pinch-off blades realize carrying out the prepositioning at the length direction of splint to tubular product, thereby make the conveying that tubular product after pressing from both sides tightly can be stable to in the cavity, further promotion tubular product pipe cutting machine's stability.

In foretell tubular product pipe cutting machine, still including setting up the supporting shoe that just can supply tubular product to lean on between two clamp plates in the backup pad, the supporting shoe is rectangular shape, the length direction of supporting shoe sets up along the length direction of splint.

The setting of this structure for when tubular product was located between two clamp plates, the stable setting of ability was on the supporting shoe, thereby further promoted the stability in the tubular product data send process.

In the pipe cutting machine, the opposite side surfaces of the two clamping plates are provided with the buffer blocks.

The structure is arranged, so that the pipe cannot be greatly damaged when the pipe is clamped by the clamping plate, and the conveying stability of the pipe is further improved.

In the pipe cutting machine, the rack is provided with a mounting frame, the mounting frame is connected with a driving cylinder for driving the clamping seat to vertically move, and the clamping seat is arranged in the mounting frame in a sliding manner.

Drive the setting of actuating cylinder for the removal of pressing from both sides tight seat is more convenient, and the installation of driving actuating cylinder and guide bar has been made things convenient for in the setting of installing frame, and can play the spacing effect to the tight seat of clamp, has avoided external part to lead to the fact the influence to the tight seat of clamp, further promotion tubular product cutting machine's stability.

In foretell tubular product pipe cutting machine, link firmly a plurality of guide bars on the installing frame, the guide bar passes arbitrary a pair of tight seat of clamp, press from both sides tight seat vertical slip along the outer wall of guide bar, the buffer pad cover is on the guide bar and radially compresses tightly on the guide bar through the fastener.

The setting of guide bar can be spacing to every vertical slip of pressing from both sides tight seat for press from both sides tight seat and can be just facing and draw close each other or keep away from, make the more stable of the vertical removal of pressing from both sides tight seat, establish the buffer spacer cover on the guide bar, buffer spacer takes place the displacement when having avoided pressing from both sides tight seat to remove, further promotion the stability that buffer spacer set up.

In the pipe cutting machine, at least one limiting plate is arranged in the clamping seat, the outer end of the clamping plate protrudes to form a supporting step, the end parts of the limiting plates are provided with limiting steps which are supported by the flanges and can be used for supporting the limiting flanges, the outer port of the clamping seat is provided with a supporting step which can be used for supporting the flanges or the limiting flanges, the limiting flanges are fixedly connected with the limiting steps through fasteners, and the supporting flanges or the limiting flanges are fixedly connected with the supporting steps through fasteners.

The limiting flanging of the clamping plate abuts against and is fixedly connected with the limiting step of the limiting plate through a fastener, and the abutting flanging of the limiting plate or the limiting flanging of the clamping plate abuts against and is fixedly connected with the abutting step of the mounting seat through the fastener, so that the clamping plate and the limiting plate are fixed on the clamping seat; when needs carry out the centre gripping to the pipeline of size difference, only need take out the fastener, increase and reduce the number of limiting plate or change not unidimensional limiting plate and splint, when the diameter of pipeline is great, but direct mount splint can, thereby reach the size that accords with corresponding pipeline diameter, and again to the pipeline carry out the centre gripping can, make when the use of reality, splint can not produce great clamp force to the outer wall of pipeline, but only laminate mutually with the outer wall of pipeline, thereby the process pipeline that has avoided the pipeline takes place wearing and tearing when the pipeline clamping structure

Compared with the prior art, the pipe cutting machine for the pipes has the following advantages:

1. through setting up two tight seats of clamp and can draw close each other or keep away from each other, consequently can realize the cutting that is stable to tubular product, avoided tubular product to produce the displacement in cutting process and lead to cutting effect relatively poor, further promotion the stability of tubular product cutting.

2. The distance between two adjacent tight seats of clamp does not need to be nearer, only need stretch out the one end of splint press from both sides tight seat and set up in the space can, consequently the requirement to the tight seat of clamp is lower, and only need set up suitable splint can, also make can cut the width and be greater than the tubular product in clearance, realized the cutting to shorter tubular product, promoted the suitability of tubular product cutting machine.

Drawings

Fig. 1 is a schematic structural diagram of the pipe cutting machine.

Fig. 2 is one of partial structural schematic diagrams of the pipe cutting machine.

Fig. 3 is a second partial structural schematic diagram of the pipe cutting machine.

Fig. 4 is a third partial structural schematic diagram of the pipe cutting machine.

Fig. 5 is a schematic structural view of a conveying structure in the pipe cutting machine.

Fig. 6 is an exploded view of the clamping and limiting plates of the pipe cutting machine.

In the figure, 1, a frame; 11. mounting a plate; 12. installing a frame; 13. a blanking plate; 2. a cutter; 3. a clamping seat; 31. a splint; 31a, limiting flanging; 32. a gap; 33. a cavity; 34. abutting against the step; 4. a transfer structure; 41. a slide rail; 41a, a first sliding block; 41b, guide rails; 42. a support plate; 43. a clamping plate; 43a and a second sliding block; 44. a clamping cylinder; 45. a space; 46. a support block; 47. a buffer block; 5. a driving cylinder; 6. a cushion pad; 7. a void; 8. a guide bar; 9. a fastener; 10. a limiting plate; 101. abutting against the flanging; 102. and a limiting step.

Detailed Description

The following is a specific embodiment of the present invention and is further described with reference to the accompanying drawings, but the present invention is not limited to this embodiment.

As shown in fig. 1 and 2, the pipe cutting machine comprises a frame 1 and a cutter 2 for cutting a pipe, wherein a plurality of pairs of clamping bases 3 for clamping the pipe and a conveying structure 4 capable of conveying the pipe into the clamping bases 3 are arranged on the frame 1, each clamping base 3 is provided with an arc-shaped clamping plate 31, and a gap 32 for embedding the cutter 2 is arranged between the clamping plates 31 of two adjacent pairs of clamping bases 3.

Specifically, as shown in fig. 1 to 6, each pair of clamping bases 3 can move relatively, and the clamping plates 31 on the clamping bases 3 surround to form a cavity 33 for placing a pipe when each pair of clamping bases 3 are closed to each other, a buffer pad 6 is arranged between each pair of clamping bases 3, the conveying structure 4 comprises two clamping plates 43 capable of moving relatively, and the two clamping plates 43 can clamp the pipe when being closed to each other, and the clamping plates 43 are arranged outside the clamping bases 3.

The working principle is as follows: the formed pipe is conveyed into the cavity 33 of the clamping seat 3 through the conveying structure 4, the pipe is conveyed to pass through the gap 32, each pair of clamping seats 3 are close to each other, the pipe positioned in the cavity 33 is clasped through the clamping plate 31, meanwhile, the pipe positioned outside the clamping seat 3 is clamped through the two clamping plates 43, the pipe on the conveying structure 4 is longer due to the longer length, so that the pipe positioned at the end of the conveying structure 4 can still shake after the clamping seat 3 clamps the pipe part, the clamping plates 43 are used for clamping the pipe, the influence of the pipe positioned on the conveying structure 4 on cutting is avoided, the multi-section positioning of the pipe is also realized, at the moment, the positioning on the rack 1 can be realized through the relative movement of the clamping seats 3 and the arrangement of the clamping plates 31 and the clamping plates 43, the arrangement of the buffer gaskets 6 caused by the circumferential or axial movement of the pipe is avoided, the descending of the clamping seat 3 can be buffered, the pipe is prevented from being damaged while being stably limited after the clamping seat 3 descends, the pressure on the pipe is reduced, the pipe is ensured not to be abraded in the positioning process, and the cutting quality of the pipe is improved; the pipe is cut by the re-driving cutter 2, after the pipe is cut, every pair of clamping seats 3 are far away from each other, thereby the positioning of the pipe is released, the pipe which is not cut is conveyed into the cavity 33 through the conveying structure 4, the pipe which is cut in the cavity 33 is ejected out, the pipe is tightly held and cut by the driving piece 5 after the pipe is ejected out, the clamping seats 3 move relatively, the clamping plates 43 which can be mutually closed are arranged outside the clamping seats 3, the multi-section positioning of the pipe is realized, the stable cutting of the pipe can be realized, the phenomenon that the pipe is relatively poor in cutting effect due to the fact that the pipe is displaced in the cutting process is avoided, and the stability of the pipe cutting is further improved.

And the tubular product pipe cutting machine in this application need be fixed a position tubular product and just cut tubular product on pressing from both sides tight seat 3 and clamp plate 43, has avoided the relatively poor problem of cutting effect of the tubular product that the limit conveying tubular product limit cut and lead to.

As shown in fig. 1-3, a gap 7 is formed between two adjacent pairs of clamping bases 3, and one end of the clamping plate 31 extends out of the clamping bases 3 and is arranged in the gap 7.

As shown in fig. 1 and 5, the rack 1 includes a mounting plate 11, the conveying structure 4 includes a slide rail 41 disposed on the mounting plate 11 and disposed along a length direction of the clamping plate 31, and a support plate 42 slidably connected to the slide rail 41, the clamping plates 43 are disposed on the support plate 42, a clamping cylinder 44 for driving one of the clamping plates 43 to move toward or away from the other clamping plate 43 is further disposed on the support plate 42, a space 45 for placing the pipe is formed between the two clamping plates 43, one of the clamping plates 43 moves in a longitudinal direction to press the pipe against the other clamping plate 43, a first slide block 41a is connected to the slide rail 41, a second slide block 43a is connected to one of the clamping plates 43 connected to the clamping cylinder 44, a guide rail 41b disposed along the longitudinal direction is disposed on the first slide block 41a, and the second slide block 43a is slidably disposed on the guide rail 41 b.

The conveying structure 4 further comprises a conveying cylinder for driving the supporting plate 42 to slide on the sliding rail 41, the conveying cylinder moves towards the clamping seat 3 through the driving supporting plate 42, and the pipe on the supporting plate 42 is driven to move towards the clamping seat 3 along with the supporting plate 42, so that the pipe is conveyed.

As shown in fig. 5, the supporting plate 42 further includes a supporting block 46 disposed between the two clamping plates 43 and against which the pipe can abut, the supporting block 46 is in a long strip shape, the length direction of the supporting block 46 is disposed along the length direction of the clamping plate 31, and the opposite side surfaces of the two clamping plates 43 are both provided with a buffer block 47.

As shown in fig. 3-6, a mounting frame 12 is arranged on the frame 1, a driving cylinder 5 for driving the clamping bases 3 to vertically move is connected to the mounting frame 12, the clamping bases 3 are slidably arranged in the mounting frame 12, a plurality of guide rods 8 are fixedly connected to the mounting frame 12, the guide rods 8 penetrate through any pair of the clamping bases 3, the clamping bases 3 vertically slide along the outer walls of the guide rods 8, and the buffer gaskets 6 are sleeved on the guide rods 8 and radially compressed on the guide rods 8 through fasteners 9.

As shown in fig. 3-6, at least one limiting plate 10 is arranged in the clamping seat 3, the outer end of the clamping plate 31 is protruded to form a limiting flange 31a, the end of the limiting plate 10 is provided with a limiting step 102 for abutting against the flange 101 and the limiting flange 31a, the outer port of the clamping seat 3 is provided with an abutting step 34 for abutting against the flange 101 or the limiting flange 31a, the limiting flange 31a is fixedly connected with the limiting step 102 through a fastener 9, and the abutting flange 101 or the limiting flange 31a is fixedly connected with the abutting step 34 through a fastener 9. .

As shown in fig. 1 and fig. 2, a blanking plate 13 for blanking the pipe cut in the clamping seat 3 is further disposed on the frame 1, the blanking plate 13 is disposed on one side of the clamping seat 3, and the blanking plate 13 is disposed obliquely downward.

Through the setting of flitch 13 down for the unloading of the tubular product after the cutting is more simple and convenient.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A pipe cutting machine comprises a rack (1) and a cutter (2) for cutting pipes, wherein a plurality of pairs of clamping seats (3) for clamping the pipes and a conveying structure (4) capable of conveying the pipes into the clamping seats (3) are arranged on the rack (1), each clamping seat (3) is provided with an arc-shaped clamping plate (31), a gap (32) capable of being embedded by the cutter (2) is arranged between the clamping plates (31) of two adjacent pairs of clamping seats (3), the pipe cutting machine is characterized in that each pair of clamping seats (3) can move relatively, the clamping plates (31) on the clamping seats (3) surround to form a cavity (33) capable of placing the pipes when each pair of clamping seats (3) are mutually closed, a buffer gasket (6) is arranged between each pair of clamping seats (3), the conveying structure (4) comprises two clamping plates (43) capable of moving relatively, and the pipes can be clamped when the two clamping plates (43) are mutually closed, the clamping plate (43) is arranged on the outer side of the clamping seat (3).

2. The pipe cutting machine according to claim 1, characterized in that a gap (7) is provided between two adjacent pairs of clamping shoes (3), and one end of the clamping plate (31) extends out of the clamping shoes (3) and is arranged in the gap (7).

3. The pipe cutting machine according to claim 1 or 2, wherein the machine frame (1) comprises a mounting plate (11), the conveying structure (4) comprises a slide rail (41) arranged on the mounting plate (11) and along the length direction of the clamping plate (31) and a support plate (42) slidably connected to the slide rail (41), the clamping plates (43) are arranged on the support plate (42), a clamping cylinder (44) for driving one of the clamping plates (43) to move relative to the other clamping plate (43) is further arranged on the support plate (42), and a space (45) for placing a pipe is arranged between the two clamping plates (43).

4. The pipe cutting machine according to claim 3, wherein the support plate (42) further comprises a support block (46) disposed between the two clamping plates (43) and against which the pipe can abut, the support block (46) is elongated, and a length direction of the support block (46) is disposed along a length direction of the clamping plate (31).

5. The pipe cutting machine according to claim 4, characterized in that the two clamping plates (43) are provided with a buffer block (47) on opposite sides.

6. The pipe cutting machine according to claim 3, wherein a mounting frame (12) is arranged on the frame (1), a driving cylinder (5) for driving the clamping base (3) to move vertically is connected to the mounting frame (12), and the clamping base (3) is slidably arranged in the mounting frame (12).

7. The pipe cutting machine according to claim 1 or 2, wherein a plurality of guide rods (8) are fixedly connected to the mounting frame (12), the guide rods (8) penetrate through any pair of clamping seats (3), the clamping seats (3) vertically slide along the outer walls of the guide rods (8), and the buffer gaskets (6) are sleeved on the guide rods (8) and radially pressed on the guide rods (8) through fasteners (9).

8. The pipe cutting machine according to claim 1 or 2, characterized in that at least one limiting plate (10) is arranged in the clamping seat (3), the outer ends of the clamping plates (31) are all protruded to form limiting flanges (31a), the end portions of the limiting plates (10) are provided with limiting steps (102) which can be abutted against the limiting flanges (101) and the limiting flanges (31a), the outer port of the clamping seat (3) is provided with abutting steps (34) which can be abutted against the flanges (101) or the limiting flanges (31a), the limiting flanges (31a) are fixedly connected with the limiting steps (102) through fasteners (9), and the abutting flanges (101) or the limiting flanges (31a) are fixedly connected with the abutting steps (34) through fasteners (9).