CN214134522U - Jacking stroke increasing device and horizontal pipe laser cutting machine - Google Patents

Abstract

The utility model discloses a jacking increases stroke device and horizontal tubular product laser cutting machine, on the jacking increases stroke device was fixed in the frame, it included jacking drive assembly, jacking connecting rod, jacking subassembly, the one end of jacking subassembly with frame swivelling joint, the one end of jacking connecting rod with jacking drive assembly activity hinge joint, the other end of jacking connecting rod with jacking subassembly activity hinge joint, jacking drive assembly drives the jacking connecting rod is removed about. The utility model discloses a jacking increases stroke device's volume is less, can increase the lift stroke under the condition that does not increase installation space.

Description

Jacking stroke increasing device and horizontal pipe laser cutting machine

Technical Field

The utility model relates to a laser cutting field, more specifically the utility model relates to a jacking increases stroke device and horizontal tubular product laser cutting machine that says so.

Background

On current horizontal tubular product laser cutting machine, generally be provided with jacking device on it, support tubular product through jacking device, prevent that tubular product from because of the flagging of the longer appearance of length. But the lift stroke of current jacking device is generally less, can't satisfy the support demand of tubular product, if will increase jacking device's lift stroke, then need increase jacking device's volume to lead to jacking device's volume great, occupy more installation space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stroke device and horizontal tubular product laser cutting machine are increased to jacking, the utility model discloses a jacking increases stroke device's volume less, can increase the lift stroke under the condition that does not increase installation space.

The technical scheme is as follows:

the utility model discloses a jacking increases journey device in an embodiment.

This jacking increases stroke device is fixed in the frame, and it includes jacking drive assembly, jacking connecting rod, jacking subassembly, the one end of jacking subassembly with frame swivelling joint, the one end of jacking connecting rod with jacking drive assembly activity hinge joint, the other end of jacking connecting rod with jacking subassembly activity hinge joint, jacking drive assembly drives the jacking connecting rod is removed about.

Jacking drive assembly includes jacking driving motor, jacking ball screw, jacking screw nut seat and jacking slide rail, jacking driving motor pass through speed reducer and shaft coupling with jacking ball screw links to each other, jacking ball screw's both ends are fixed in through jacking screw fixing base in the frame, screw nut on the jacking ball screw is fixed in on the jacking screw nut seat, jacking screw nut seat pass through the slider with the jacking slide rail links to each other.

Jacking drive assembly still includes installation base, first mount pad and second mount pad, the jacking slide rail install in on the installation base, first mount pad, second mount pad are fixed in respectively the relative both ends of installation base, two jacking lead screw fixing base is fixed in respectively first mount pad on the second mount pad.

The jacking assembly comprises a jacking follow-up rod and a roller assembly, one end of the jacking follow-up rod is rotatably connected with the rack through a fixed shaft, the other end of the jacking follow-up rod is rotatably hinged with the roller assembly through a rotating shaft, and the jacking connecting rod is located between the fixed shaft and the roller assembly.

The roller assembly comprises a roller mounting plate, a first roller, a second roller and a third roller, the roller mounting plate is rotatably hinged to the jacking follower rod, the roller mounting plate is provided with an upper side edge and a lower side edge, the first roller and the second roller are mounted on the upper side edge, and the third roller is mounted on the lower side edge.

The length of the third roller is greater than that of the first roller and the second roller, and the first roller and the second roller are arranged on the roller mounting plate in a V shape.

The jacking screw rod nut seat is fixed with a first hinged seat, the jacking assembly is fixed with a second hinged seat, and two ends of the jacking connecting rod are respectively hinged to the first hinged seat and the second hinged seat through hinged shafts.

The utility model discloses a horizontal tubular product laser cutting machine in another embodiment, including the frame and set up in first chuck device, second chuck device, third chuck device, laser cutting device and a plurality of as above-mentioned any one in the frame the jacking increases the stroke device, the second chuck device reaches the laser cutting device is located respectively first chuck device with between the third chuck device, first chuck device the second chuck device reaches third chuck device can be relative the laser cutting device removes about, and is a plurality of the jacking increases the stroke device along the transverse direction interval of frame sets up, and is a plurality of the jacking increases the stroke device and is located the one end of frame extremely between the laser cutting device.

The advantages or principles of the invention are explained below:

the utility model discloses a jacking increases stroke device drives the jacking connecting rod through jacking drive assembly and removes, and the jacking connecting rod is with jacking subassembly jacking at the in-process that removes to realize the jacking subassembly at the lift in-process through the jacking connecting rod and increase the stroke function. The utility model discloses can realize increasing the function of stroke under the condition that does not increase the jacking and increase stroke device volume, improve lift efficiency.

Drawings

FIG. 1 is a schematic structural view of a horizontal pipe laser cutting machine according to the present embodiment;

FIG. 2 is another schematic structural view of the horizontal pipe laser cutting machine of the present embodiment;

FIG. 3 is a schematic structural diagram of a first moving mechanism, a second moving mechanism or a third moving mechanism of the horizontal pipe laser cutting machine according to the embodiment;

FIG. 4 is a schematic structural diagram of a jacking stroke-increasing device of the present embodiment;

FIG. 5 is another schematic structural diagram of the lift-up stroke increasing device of the present embodiment;

fig. 6 is a schematic structural diagram of the material receiving stroke increasing device of the embodiment;

fig. 7 is a schematic view of a combined structure of the receiving fixing plate, the receiving driving assembly, the stroke increasing assembly and the receiving follow-up lifting plate according to the embodiment;

fig. 8 is a schematic view of another combined structure of the receiving fixing plate, the receiving driving assembly, the stroke increasing assembly and the receiving follow-up lifting plate according to the embodiment;

fig. 9 is a schematic structural view of the receiving material follow-up lifting plate and the receiving material adjusting assembly of the embodiment;

description of reference numerals:

10. a frame; 20. a first chuck device; 30. a second chuck assembly; 40. a third chuck device; 50. a laser cutting device; 21. a first chuck; 22. a first moving mechanism; 31. a second chuck; 32. a second moving mechanism; 41. a third chuck; 42. a third moving mechanism; 60. a moving guide rail; 221. a moving motor; 222. a first moving gear; 223. a second moving gear; 224. moving the rack; 225. a drag chain; 226. a chuck drive base plate; 70. a jacking stroke increasing device; 71. a jacking driving component; 72. jacking a connecting rod; 73. a jacking assembly; 711. a jacking driving motor; 712. jacking the ball screw; 713. jacking a screw nut seat; 714. jacking the sliding rail; 715. jacking screw rod fixing seats; 716. installing a base; 717. a first mounting seat; 718. a second mounting seat; 731. jacking a follower rod; 732. a roller assembly; 732a, a drum mounting plate; 732b, a first roller; 732c, a second drum; 732d, a third drum; 80. a material receiving stroke increasing device; 81. a material receiving follow-up turning plate; 82. a material receiving fixing plate; 83. a material receiving driving assembly; 84. a stroke increasing component; 85. a material receiving follow-up lifting plate; 831. a material receiving driving motor; 832. receiving ball screw; 833. a material receiving screw rod nut seat; 834. a material receiving slide rail; 835. a material receiving screw rod fixing seat; 841. a gear shaft; 842. a follower gear; 843. a first lifting rack; 844. a second lifting rack; 845. lifting the slide rail; 846. a proximity switch; 86. a material receiving adjusting assembly; 861. adjusting a driving cylinder; 862. adjusting the movable rod; 863. a fixed connecting rod; 864. adjusting the connecting rod; 865. a connecting rod fixing seat; 866. and adjusting the sliding rail.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "center", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

As shown in fig. 1 and 2, the present embodiment discloses a horizontal pipe laser cutting machine, which includes a frame 10, and a first chuck device 20, a second chuck device 30, a third chuck device 40, and a laser cutting device 50 that are disposed on the frame 10, wherein the second chuck device 30 and the laser cutting device 50 are respectively located between the first chuck device 20 and the third chuck device 40. The first chuck device 20 includes a first chuck 21 and a first moving mechanism 22, and the first moving mechanism 22 is connected to the first chuck 21; the second chuck device 30 includes a second chuck 31 and a second moving mechanism 32, the second moving mechanism 32 is connected to the second chuck 31, the third chuck device 40 includes a third chuck 41 and a third moving mechanism 42, and the third moving mechanism 42 is connected to the third chuck 41. The first chuck 21, the second chuck 31, and the third chuck 41 are respectively movable left and right with respect to the laser cutting device 50, and the second chuck 31 is movable from one side of the laser cutting device 50 to the other side.

It should be noted that: the first chuck 21, the second chuck 31 and the third chuck 41 are all the prior art, and may be any one of chucks arranged on an existing pipe laser cutting machine, and in this embodiment, the second chuck 31 and the third chuck 41 have the same structure. The first chuck 21 may be identical in structure to the rear chuck assembly disclosed in CN209614593U, and the second chuck 31 and the third chuck 41 may be identical in structure to the front chuck assembly. The second chuck 31 and the third chuck 41 may also be the same as the chuck structure disclosed in the patent CN 111644765A. Laser cutting device 50 is also prior art, is provided with the cutting head on the laser cutting device 50, cuts tubular product through the cutting head, and the cutting head can move in horizontal direction or vertical direction, adjusts its position to the cutting of tubular product.

In order to facilitate the movement of the first chuck 21, the second chuck 31 and the third chuck 41, two moving guide rails 60 are disposed on the frame 10, the two moving guide rails 60 are respectively disposed on the upper surface of the frame 10, and the bottoms of the first chuck 21, the second chuck 31 and the third chuck 41 are respectively connected to the two moving guide rails 60 through sliders.

Preferably, the first moving mechanism 22, the second moving mechanism 32, and the third moving mechanism 42 of the present embodiment have the same structure. As shown in fig. 3, each of the first moving mechanism 22, the second moving mechanism 32, and the third moving mechanism 42 includes a moving motor 221, a first moving gear 222, a second moving gear 223, a moving rack 224, and a drag chain 225. The moving rack 224 is fixed on one side of one moving guide rail 60, the moving motor 221 and the second moving gear 223 are both fixed on the chuck driving base plate 226, the moving motor 221 is connected with the first moving gear 222, the first moving gear 222 and the second moving gear 223 are both meshed with the moving rack 224, and the drag chain 225 is connected with the chuck driving base plate 226. When the first chuck 21, the second chuck 31, or the third chuck 41 moves, the moving motor 221 drives the first moving gear 222 to rotate, and the first moving gear 222 and the second moving gear 223 move relative to the moving rack 224, thereby driving the first chuck 21, the second chuck 31, or the third chuck 41 to move.

In order to avoid the sagging of the long pipe during the conveying process, as shown in fig. 2, in this embodiment, a plurality of lift stroke increasing devices 70 are further disposed on the frame 10, the plurality of lift stroke increasing devices 70 are disposed at intervals along the transverse direction of the frame 10, and the plurality of lift stroke increasing devices 70 are located between the laser cutting device 50 and one end of the frame 10. Preferably, the number of the lifting stroke-increasing devices 70 is three, and the three lifting stroke-increasing devices 70 are respectively positioned between the two moving guide rails 60.

As shown in fig. 4 and 5, the jacking stroke increasing device 70 includes a jacking driving assembly 71, a jacking connecting rod 72 and a jacking assembly 73, the jacking assembly 73 is rotatably connected to the frame 10, one end of the jacking connecting rod 72 is movably hinged to the jacking driving assembly 71, the other end of the jacking connecting rod 72 is movably hinged to the jacking assembly 73, and the jacking driving assembly 71 drives the jacking connecting rod 72 to move left and right.

The jacking driving assembly 71 comprises a jacking driving motor 711, a jacking ball screw 712, a jacking screw nut seat 713 and a jacking sliding rail 714, the jacking driving motor 711 is connected with the jacking ball screw 712 through a speed reducer and a coupler, two ends of the jacking ball screw 712 are fixed on the rack 10 through a jacking screw fixing seat 715, a screw nut on the jacking ball screw 712 is fixed on the jacking screw nut seat 713, and the jacking screw nut seat 713 is connected with the jacking sliding rail 714 through a sliding block.

The jacking driving assembly 71 further includes a mounting base 716, a first mounting seat 717 and a second mounting seat 718, the jacking sliding rail 714 is mounted on the mounting base 716, the first mounting seat 717 and the second mounting seat 718 are respectively fixed at two opposite ends of the mounting base 716, and the two jacking screw fixing seats 715 are respectively fixed on the first mounting seat 717 and the second mounting seat 718.

The jacking assembly 73 comprises a jacking follow-up rod 731 and a roller assembly 732, one end of the jacking follow-up rod 731 is rotatably connected with the frame 10 through a fixed shaft, the other end of the jacking follow-up rod 731 is rotatably hinged with the roller assembly 732 through a rotating shaft, and the jacking connecting rod 72 is positioned between the fixed shaft and the roller assembly 732. The jacking driving motor 711 drives the jacking ball screw 712 to rotate, so as to drive the jacking screw nut seat 713 to move on the jacking sliding rail 714, the jacking screw nut seat 713 drives the jacking connecting rod 72 to move, the jacking connecting rod 72 drives the jacking follow-up rod 731 and one end of the roller component 732 to move upwards, and then the pipe is supported through the roller component 732. A first hinge seat is fixed on the jacking lead screw nut seat 713, a second hinge seat is fixed on the jacking follower rod 731, and two ends of the jacking connecting rod 72 are movably hinged with the first hinge seat and the second hinge seat through hinge shafts respectively.

When the pipe needs to be supported, the jacking driving motor 711 drives the jacking ball screw 712 to rotate, and the jacking ball screw 712 drives the jacking screw nut seat 713 to move on the jacking sliding rail 714, so as to drive the jacking connecting rod 72 to move. The jacking connecting rod 72 drives the jacking follow-up rod 731 to move in the moving process, and one end of the jacking follow-up rod 731, which is connected with the roller component 732, is jacked up or lowered down under the driving of the jacking connecting rod 72, so that the height of the roller component 732 is adjusted. The stroke effect that jacking follower 731 ascends or descends can be realized increasing through jacking connecting rod 72 in this embodiment, and jacking stroke increasing device 70 is small in size, small in occupied space and large in lifting stroke.

In order to support different pipes, the roller assembly 732 of this embodiment includes a roller mounting plate 732a, a first roller 732b, a second roller 732c, and a third roller 732d, wherein the roller mounting plate 732a is rotatably hinged to the lifting follower bar 731, and the roller mounting plate 732a is rotatable with respect to the lifting follower bar 731. The roller mounting plate 732a has an upper side and a lower side, and the first roller 732b and the second roller 732c are mounted on the upper side, and the third roller 732d is mounted on the lower side. Preferably, the third roller 732d has a length greater than that of the first and second rollers 732b and 732c, and the first and second rollers 732b and 732c are disposed in a V-shape on the roller mounting plate 732 a.

When a round pipe is to be cut, the upper side of the roller mounting plate 732a may be manually placed upward, the round pipe may be placed in the V-shaped structure, and the round pipe may be supported by the first and second rollers 732b and 732 c. When a square tube is to be cut, the lower side of the roller mounting plate 732a may be positioned above by rotation, and the square tube may be supported by the third roller 732 d.

In order to prevent the cut pipe from falling off, as shown in fig. 1, in this embodiment, a plurality of material receiving stroke increasing devices 80 are further disposed on the rack 10, the plurality of material receiving stroke increasing devices 80 are disposed at intervals along the transverse direction of the rack 10, and the plurality of material receiving stroke increasing devices 80 are located between the laser cutting device 50 and the other end of the rack 10. Preferably, there are three material receiving stroke increasing devices 80, and the three material receiving stroke increasing devices 80 are respectively located between the two moving guide rails 60.

As shown in fig. 6 to 9, the material receiving stroke increasing device 80 includes a material receiving follow-up turning plate 81, a material receiving fixing plate 82, and a material receiving stroke increasing mechanism fixed on the material receiving fixing plate 82, the material receiving stroke increasing mechanism is fixed on the rack 10 through the material receiving fixing plate 82, the material receiving stroke increasing mechanism is connected with the material receiving follow-up turning plate 81, and the material receiving stroke increasing mechanism drives the material receiving follow-up turning plate 81 to move up and down.

The material receiving stroke increasing mechanism comprises a material receiving driving assembly 83, a stroke increasing assembly 84 and a material receiving follow-up lifting plate 85, the material receiving driving assembly 83 is connected with the stroke increasing assembly 84, the stroke increasing assembly 84 is connected with the material receiving follow-up lifting plate 85, and the material receiving follow-up turning plate 81 is fixed on the material receiving follow-up lifting plate 85.

The material receiving driving assembly 83 comprises a material receiving driving motor 831, a material receiving ball screw 832, a material receiving screw nut seat 833 and a material receiving slide rail 834, the material receiving driving motor 831 is connected with the material receiving ball screw 832 through a speed reducer and a coupler, two ends of the material receiving ball screw 832 are fixed on the material receiving fixing plate 82 through a material receiving screw fixing seat 835, a screw nut on the material receiving ball screw 832 is fixed on the material receiving screw nut seat 833, and the material receiving screw nut seat 833 is connected with the material receiving slide rail 834 through a slide block.

The material receiving stroke increasing mechanism comprises a gear shaft 841, two follow-up gears 842, two first lifting racks 843 and two second lifting racks 844, the gear shaft 841 penetrates through the material receiving screw nut seat 833 from left to right, the two follow-up gears 842 are fixed at two ends of the gear shaft 841 respectively, the two first lifting racks 843 and the two second lifting racks 844 are fixed at two sides of the material receiving ball screw 832 respectively, the two first lifting racks 843 and the two second lifting racks 844 are arranged oppositely, the follow-up gears 842 are meshed with the first lifting racks 843 and the second lifting racks 844 respectively, and the two second lifting racks 844 are fixed on the material receiving follow-up lifting plate 85.

Connect material to increase journey mechanism still includes two lift slide rails 845, and two lift slide rails 845 are fixed in the both sides of two second lifting rack 844 respectively, connect material follow-up lifter plate 85 to pass through the slider and link to each other with lift slide rail 845.

When the pipe needs to be supported, the material receiving ball screw 832 is driven to rotate by the material receiving driving motor 831, and the material receiving ball screw 832 drives the material receiving screw nut seat 833 to slide on the material receiving slide rail 834. The receiving screw nut seat 833 drives the gear shaft 841 to rotate, the gear shaft 841 drives the two follower gears 842 to rotate, the two follower gears 842 respectively move on the two first lifting racks 843, and the two follower gears 842 drive the two second lifting racks 844 to move in the rotating process, so that the receiving follower lifting plate 85 is driven to lift. The receiving material follow-up lifting plate 85 drives the receiving material follow-up turning plate 81 to lift, so that the pipe is supported through the receiving material follow-up turning plate 81.

In this embodiment, the receiving driving motor 831 and the receiving ball screw 832 can realize the lifting of the receiving follow-up lifting plate 85, and the stroke increasing function of the receiving follow-up lifting plate 85 can be realized through the follow-up gear 842, the first lifting rack 843 and the second lifting rack 844 in the process of receiving the receiving follow-up lifting plate 85. In this embodiment, the receiving follow-up lifting plate 85 is multiplied by the lifting stroke through the follow-up gear 842, the first lifting rack 843 and the second lifting rack 844, so that the stroke of the receiving ball screw 832 is reduced by times, the installation space is not required to be increased, the lifting time is shortened, and the lifting efficiency of the receiving follow-up lifting plate 85 is improved.

The material receiving stroke increasing device 80 further comprises two proximity switches 846, and the two proximity switches 846 are respectively fixed on the upper side and the lower side of the material receiving fixing plate 82. The position of the receiving follow-up lifter plate 85 is monitored by two proximity switches 846, so that the lifting stroke of the receiving follow-up lifter plate 85 is better controlled.

In order to adjust the pipes to be supported, the material receiving stroke increasing device 80 further comprises a material receiving adjusting assembly 86, the material receiving adjusting assembly 86 is fixed on the material receiving follow-up lifting plate 85, the material receiving adjusting assembly 86 is connected with the material receiving follow-up turning plate 81, and the material receiving adjusting assembly 86 can adjust the inclination angle of the material receiving follow-up turning plate 81.

Connect material adjustment subassembly 86 to drive actuating cylinder 861 including the adjustment, the adjustment carriage bar 862, a plurality of fixed link 863, two adjustment connecting rods 864, two connecting rod fixing base 865 and two adjustment slide rails 866, the adjustment drives actuating cylinder 861 and links to each other with the adjustment carriage bar 862, two connecting rod fixing base 865 link to each other with the both ends of adjustment carriage bar 862 respectively, two connecting rod fixing base 865 link to each other with two adjustment slide rails 866 through the slider, the one end of two adjustment connecting rods 864 is articulated mutually with two connecting rod fixing base 865 respectively, the other end of two adjustment connecting rods 864 is articulated mutually with one side of connecing material follow-up to turn over board 81 respectively, the one end of a plurality of fixed link 863 is fixed in connecing material follow-up lifter plate 85, the other end of fixed link 863 is articulated mutually with the other side of connecing material follow-up to turn over board 81.

When the inclination angle of the material-receiving follow-up turning plate 81 needs to be adjusted, the adjusting moving rod 862 is driven to move by adjusting the driving cylinder 861, and the adjusting moving rod 862 drives the two connecting rod fixing seats 865 to move synchronously on the two adjusting slide rails 866, so as to drive the two adjusting connecting rods 864 to move. The two adjusting connecting rods 864 drive one side of the receiving follow-up turning plate 81 to move in the moving process, and adjust the inclination angle of the receiving follow-up turning plate 81, so as to achieve the purpose of adjusting the pipes on the receiving follow-up turning plate 81.

The working principle of the horizontal pipe laser cutting machine of the embodiment is as follows:

in an initial state of the horizontal pipe laser cutting machine, the first chuck 21 and the third chuck 41 are respectively disposed at two ends of the machine frame 10, and the second chuck 31 is disposed at a side of the laser cutting device 50 close to the first chuck 21. After the pipe is conveyed to the horizontal pipe laser cutting machine, one end of the pipe is firstly fixed on the first chuck 21, then the first moving mechanism 22 drives the first chuck 21 to move towards the direction close to the laser cutting device 50, and the other end of the pipe passes through the middle part of the second chuck 31 and is placed below the cutting head of the laser cutting device 50. Then the second chuck 31 grips the pipe and cuts off a small section at the port of the other end of the pipe through the cutting head, so that the port of the pipe is flush.

Then, the first chuck 21 is driven by the first moving mechanism 22 to move toward the laser cutting device 50, and the third chuck 41 is driven by the third moving mechanism 42 to move toward the laser cutting device 50, so that the third chuck 41 can clamp the other end of the pipe, and the second chuck 31 can clamp the pipe. Then, the pipe is cut through the cutting head, the pipe with a certain length is cut, and the third chuck 41 loosens the cut pipe and conveys the cut pipe out.

Then the second chuck 31 releases the pipe, the first chuck 21 is moved to the direction close to the laser cutting device 50, and the third chuck 41 is made to clamp the other end of the pipe, and the second chuck 31 can also clamp the pipe at the same time. Then, the pipe is cut by the cutting head, and after the pipe with a certain length is cut, the third chuck 41 loosens the cut pipe and conveys the cut pipe out.

Then the first chuck 21 moves towards the direction far away from the laser cutting device 50, the first chuck 21 is separated from the pipe, the second chuck 31 and the third chuck 41 clamp the pipe and move towards the direction far away from the laser cutting device 50, the second chuck 31 moves from the side of the laser cutting device 50 close to the first chuck 21 to the side close to the third chuck 41, and the port at one end of the pipe is positioned below the laser head. Then, on the premise of ensuring the length of the pipe, a small section is cut off from the port of the pipe through the laser cutting device 50, the port is made to be flush, and then the cut pipe is conveyed out.

This embodiment accomplishes the cutting work of tubular product jointly through first chuck 21, second chuck 31, third chuck 41, and the tubular product that tubular product port department cut off is less during the tubular product cutting, has realized zero tails basically, can not cause the waste of tubular product.

The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.

Claims (8)

1. Jacking stroke-increasing device, it is fixed in the frame, its characterized in that, including jacking drive assembly, jacking connecting rod, jacking subassembly, the one end of jacking subassembly with frame swivelling joint, the one end of jacking connecting rod with jacking drive assembly activity hinge joint, the other end of jacking connecting rod with jacking subassembly activity hinge joint, jacking drive assembly drives the jacking connecting rod is removed left and right.

2. The jacking stroke-increasing device according to claim 1, wherein the jacking driving assembly comprises a jacking driving motor, a jacking ball screw, a jacking screw nut seat and a jacking slide rail, the jacking driving motor is connected with the jacking ball screw through a speed reducer and a coupling, two ends of the jacking ball screw are fixed on the frame through the jacking screw fixing seat, a screw nut on the jacking ball screw is fixed on the jacking screw nut seat, and the jacking screw nut seat is connected with the jacking slide rail through a slide block.

3. The jacking travel-increasing device according to claim 2, wherein the jacking driving assembly further comprises a mounting base, a first mounting seat and a second mounting seat, the jacking slide rail is mounted on the mounting base, the first mounting seat and the second mounting seat are respectively fixed at two opposite ends of the mounting base, and the two jacking screw rod fixing seats are respectively fixed on the first mounting seat and the second mounting seat.

4. The jacking travel increasing device according to claim 2, wherein the jacking assembly comprises a jacking follower rod and a roller assembly, one end of the jacking follower rod is rotatably connected with the frame through a fixed shaft, the other end of the jacking follower rod is rotatably hinged with the roller assembly through a rotating shaft, and the jacking connecting rod is positioned between the fixed shaft and the roller assembly.

5. The jacking stroke-increasing device of claim 4, wherein the roller assembly includes a roller mounting plate, a first roller, a second roller, and a third roller, the roller mounting plate being rotatably hinged to the jacking follower rod, the roller mounting plate having an upper side and a lower side, the first roller, the second roller being mounted to the upper side, and the third roller being mounted to the lower side.

6. The jacking stroke-increasing device of claim 5, wherein the length of the third roller is greater than the lengths of the first roller and the second roller, and the first roller and the second roller are arranged on the roller mounting plate in a V shape.

7. The jacking stroke-increasing device according to any one of claims 2 to 6, wherein a first hinged seat is fixed on the jacking lead screw nut seat, a second hinged seat is fixed on the jacking assembly, and two ends of the jacking connecting rod are movably hinged with the first hinged seat and the second hinged seat through hinge shafts respectively.

8. The horizontal pipe laser cutting machine is characterized by comprising a rack, a first chuck device, a second chuck device, a third chuck device, a laser cutting device and a plurality of jacking stroke increasing devices according to any one of claims 1 to 7, wherein the first chuck device, the second chuck device, the third chuck device, the laser cutting device and the plurality of jacking stroke increasing devices are arranged on the rack, the second chuck device and the laser cutting device are respectively arranged between the first chuck device and the third chuck device, the first chuck device, the second chuck device and the third chuck device can move left and right relative to the laser cutting device, the plurality of jacking stroke increasing devices are arranged at intervals along the transverse direction of the rack, and the plurality of jacking stroke increasing devices are arranged between one end of the rack and the laser cutting device.

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