CN114378351A - Pneumatic plate shearing machine and shearing method - Google Patents

Pneumatic plate shearing machine and shearing method Download PDF

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Publication number
CN114378351A
CN114378351A CN202210090767.2A CN202210090767A CN114378351A CN 114378351 A CN114378351 A CN 114378351A CN 202210090767 A CN202210090767 A CN 202210090767A CN 114378351 A CN114378351 A CN 114378351A
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CN
China
Prior art keywords
cutting
cutter
plate
roller
knife
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Pending
Application number
CN202210090767.2A
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Chinese (zh)
Inventor
周静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FEICHENG LIANYI ENGINEERING PLASTICS CO LTD
Original Assignee
FEICHENG LIANYI ENGINEERING PLASTICS CO LTD
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Application filed by FEICHENG LIANYI ENGINEERING PLASTICS CO LTD filed Critical FEICHENG LIANYI ENGINEERING PLASTICS CO LTD
Priority to CN202210090767.2A priority Critical patent/CN114378351A/en
Publication of CN114378351A publication Critical patent/CN114378351A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D17/00Shearing machines or shearing devices cutting by blades pivoted on a single axis
    • B23D17/02Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor
    • B23D17/06Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor actuated by fluid or gas pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D33/00Accessories for shearing machines or shearing devices
    • B23D33/006Accessories for shearing machines or shearing devices for obtaining pieces of a predetermined length, e.g. control arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D33/00Accessories for shearing machines or shearing devices
    • B23D33/02Arrangements for holding, guiding, and/or feeding work during the operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/20Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
    • B23Q15/22Control or regulation of position of tool or workpiece
    • B23Q15/24Control or regulation of position of tool or workpiece of linear position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/05Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways
    • B23Q7/055Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways some of the rollers being driven

Abstract

The invention relates to a pneumatic shearing machine and a shearing method for plates, wherein the pneumatic shearing machine for plates comprises a rack, a feeding device, a shearing device and an automatic control device, wherein the feeding device, the shearing device and the automatic control device are arranged on the rack; the feeding device comprises two feeding rollers which are vertically distributed and a driving motor which drives at least one feeding roller to rotate, and a plate conveying channel is formed between the two feeding rollers; the shearing device comprises a bottom cutter fixedly connected with the frame, a cutting-off cutter hinged with the bottom cutter through a transverse shaft and positioned on one side of the bottom cutter far away from the feeding device, and a cylinder driving the cutting-off cutter to rotate around the axis of the transverse shaft. The pneumatic plate cutting machine adopts a pneumatic cutting mode to cut plates, has strong working stability, simple structure, reduced cost and convenient operation, can adjust the feeding speed, the cutting length and the feeding pressure, is convenient to realize the fixed-size automatic cutting of the plates, and is convenient to adjust the gap between the cutting-off knife and the bed knife through the arranged transverse shaft so as to adapt to the cutting of the plates with different thicknesses.

Description

Pneumatic plate shearing machine and shearing method
Technical Field
The invention relates to the technical field of plate cutting, in particular to a pneumatic plate shearing machine and a shearing method.
Background
In the geogrid production process, can involve cutting off to grid panel, because the slab that waits to cut differs great with the steel sheet material, consequently directly use steel sheet cutter's shearing effect not good, steel sheet cutter's structure is comparatively complicated moreover, use cost is high.
In order to better adapt to the cutting of the grating plates, the company designs and manufactures a special shearing machine, adopts hydraulic pressure to provide shearing power, is suitable for shearing the grating plates, needs to arrange components such as a hydraulic station and the like, and has higher use and maintenance cost, so that equipment which is suitable for cutting the grating plates and can reduce the use cost is needed.
Disclosure of Invention
The invention provides a plate pneumatic shearing machine and a shearing method aiming at the situation, which are suitable for cutting the grating plate, simplify the structure and have lower use and maintenance cost.
The invention is realized by the following technical scheme, and provides a pneumatic shearing machine for plates, which comprises a rack, a feeding device and a shearing device, wherein the feeding device and the shearing device are arranged on the rack; the feeding device comprises two feeding rollers which are vertically distributed and a driving motor which drives at least one feeding roller to rotate, and a plate conveying channel is formed between the two feeding rollers; the shearing device comprises a bottom cutter fixedly connected with the rack, a cutting-off cutter hinged with the bottom cutter through a transverse shaft and positioned on one side of the bottom cutter far away from the feeding device, and a cylinder driving the cutting-off cutter to rotate around the axis of the transverse shaft, wherein a cutter edge formed by the cutting-off cutter and the bottom cutter is opposite to the plate conveying channel.
This scheme adopts pneumatic type gas cutting, realizes the transport to panel through the frictional force of two feed rolls to panel, drives the cutting off cutter through the cylinder and rotates, realizes shearing the scissors formula of panel, and the drive of cylinder is for hydraulic drive, and the structure is simplified greatly, uses and maintenance cost greatly reduced.
Preferably, a guide rail is fixedly arranged on one side of the cutting knife, which is far away from the bed knife, and the guide rail is in sliding connection with the cutting knife. This optimization scheme sets up the cutting off cutter into with guide rail sliding connection, removes the in-process at the cutting off cutter promptly, and the cutting off cutter contacts with the guide rail laminating all the time to avoid the cutting off cutter skew when cuting, guaranteed the level and smooth of panel cut surface.
As optimization, a stand column is fixedly arranged on the rack, an adjusting rod penetrating through the guide rail is fixedly arranged on the stand column, the adjusting rod is parallel to the cross shaft, and fixing nuts respectively positioned on two sides of the guide rail are connected to the adjusting rod through threads. This optimization scheme's setting, through the position of adjusting guide rail both sides fixation nut, can adjust the position of guide rail to laminate with the cutting off cutter better, satisfy the direction requirement after the cutting off cutter position adjustment.
As optimization, a vertical plate positioned on one side of the bottom cutter far away from the cutting-off cutter is fixedly arranged on the machine frame, and the transverse shaft sequentially penetrates through the vertical plate, the bottom cutter and the cutting-off cutter; the cross shaft comprises a first thread section, a hinged section, a second thread section and a screwing head which are sequentially arranged along the axial direction, a first through hole for the cross shaft to pass through is formed in the cutting-off cutter, a second through hole for the cross shaft to pass through is formed in the bed knife, a third through hole for the cross shaft to pass through is formed in the vertical plate, a limiting nut located on one side, far away from the bed knife, of the cutting-off cutter is connected to the first thread section through threads, the diameter of the hinged section is smaller than that of the first through hole, the cutting-off cutter can freely rotate relative to the hinged section, the second thread section is connected with the second through hole through threads, the outer diameter of the second thread section is larger than that of the first through hole, the outer diameter of the second thread section is smaller than that of the third through hole, and the overall size of the screwing head is larger than that of the third through hole. According to the arrangement of the optimized scheme, when the cross shaft is rotated, the axial position of the cross shaft is moved by utilizing the thread effect between the second thread section and the second through hole, and the limit nut and the second thread section form axial positioning for the cutting-off cutter, so that the cutting-off cutter is driven to move when the cross shaft moves, the adjustment of the gap between the cutting-off cutter and the bottom cutter is realized, and the cutting requirements of plates with different thicknesses are met.
As optimization, a guide pipe is fixedly arranged between the plate conveying channel and the knife edge, the feed inlet end of the guide pipe extends to the plate conveying channel, and the discharge outlet end of the guide pipe extends to the knife edge. According to the optimized scheme, the guide pipe is arranged to provide a channel for the plate, the plate output by the plate conveying channel passes through the knife edge after passing through the inner hole of the guide pipe, the plate is prevented from being tilted due to cutting, and the plate to be cut can be ensured to smoothly pass through the knife edge.
And as optimization, a proximity sensor matched with the tail end of the cutting track of the cutting-off cutter is fixedly arranged on the rack, and the proximity sensor is electrically connected with the cylinder. This optimization scheme detects the terminal position of cutting off the sword through setting up proximity sensor, and when proximity sensor detected the cutting off sword, the cylinder truns into to stretching out by the shrink to in the reliability of improvement cylinder action.
The two feeding rollers are an upper roller and a lower roller respectively, two ends of a roller shaft of the lower roller are rotatably mounted on two support frames fixedly connected with the rack respectively, a sliding block located above the roller shaft of the lower roller is arranged on the support frames in a sliding mode, two ends of the roller shaft of the upper roller are rotatably connected with the two sliding blocks respectively, and a pressure regulating mechanism for driving the sliding block to move vertically is mounted on the support frames. According to the optimized scheme, the sliding block is driven to move up and down through the pressure regulating mechanism, so that the height position of the upper roller is adjusted, the distance between the upper roller and the lower roller is adjusted, the conveying requirements of plates with different thicknesses are met, the pressure of the plates is adjusted, and the friction conveying requirements of different materials are met.
As optimization, pressure regulating mechanism is including setting firmly the crossbeam at the carriage top to and the screw rod that passes the crossbeam downwards, the screw rod passes through threaded connection with the crossbeam, and the upper end of screw rod has set firmly the handle, and the lower extreme of screw rod rotates and is connected with the regulation seat, adjusts the seat and is located the slider top and pass through the spring coupling along vertical setting with the slider. This scheme realizes adjusting the upper and lower regulation of seat through rotating the screw rod to drive the slider and reciprocate, simple structure, convenient operation, and, through setting up the spring, make the last roller can shift up when receiving great thrust upwards, thereby avoided the pressure loss to panel.
Preferably, the lower end of the spring is fixedly connected with a pressing plate, the pressing plate is supported on the top surface of the sliding block, and the outer diameter of the pressing plate is larger than that of the spring. This optimization scheme has increased the biography power area to the slider through setting up the clamp plate, has improved the stationarity that the slider removed.
The scheme also provides a shearing method by using the pneumatic plate shearing machine, which comprises the following steps:
1. the distance between the upper roller and the lower roller is adjusted according to the thickness and the hardness of the plate to be sheared so as to adjust the pressure of the upper roller and the compression roller on the plate and the friction force of the upper roller and the compression roller on the plate, thereby meeting the plate conveying requirements of different thicknesses and different materials;
2. keeping the action interval time of the cylinder unchanged, adjusting the rotating speed of the upper roller and the lower roller to adjust the cutting length of the plate, realizing automatic cutting in fixed size and meeting different use requirements;
3. the plate to be cut penetrates through the space between the upper roller and the lower roller, the plate is conveyed through the rotation of the upper roller and the lower roller, the upper roller and the lower roller stop after rotating for a set time, at the moment, the movable end of the plate penetrates through a knife edge formed by the cutting knife and the bottom knife, the cylinder drives the cutting knife to rotate downwards to cut the plate, then the cylinder stretches again to jack the cutting knife, the upper roller and the lower roller rotate again to stop again after rotating for the set time, the cylinder drives the cutting knife to finish the cutting action again, and the operation is repeated;
4. when the thickness of cutting panel changes, the clearance between adjustment cutting off cutter and the bed knife to the position of corresponding adjustment guide rail, the cylinder drives the cutting off cutter and rotates the in-process downwards, and the cutting off cutter laminates with the guide rail all the time, in order to guarantee the level and smooth of panel cutting end face.
The invention has the beneficial effects that: adopt the pneumatic cutting mode to cut panel, job stabilization nature is strong, the equipment structure has been simplified greatly, use and maintenance cost are reduced, it is very convenient to operate, rub the pay-off through two feed rolls, the pay-off speed, it is all adjustable to cut length and pay-off pressure, be convenient for realize cutting to the scaling-off of panel and corner clout is automatic, through the cross axle that sets up, be convenient for adjust the clearance between cutting off cutter and the bed knife, in order to adapt to the cutting of different thickness panel, avoid the cutting edge impaired, service life has been prolonged.
Drawings
FIG. 1 is a schematic structural view of a pneumatic shearing machine for plate materials according to the present invention;
FIG. 2 is a side view of the pneumatic plate shearing machine of the present invention;
FIG. 3 is a schematic view of a supporting frame according to the present invention;
FIG. 4 is a schematic view of the connection between the cutting blade and the bed knife;
shown in the figure:
1. the device comprises a rack, 2, a guide rail, 3, a cutting knife, 4, a fixing nut, 5, an adjusting rod, 6, an upright post, 7, a guide pipe, 8, a supporting frame, 9, an upper roller, 10, a lower roller, 11, a bed knife, 12, a cylinder, 13, a vertical plate, 14, a first thread section, 15, a hinge section, 16, a second thread section, 17, a screwing head, 18, a limiting nut, 81, a sliding block, 82, a pressing plate, 83, an adjusting seat, 84, a cross beam, 85, a handle, 86, a screw rod, 87, a spring, 91, a roller shaft of the upper roller, 101 and a roller shaft of the lower roller.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 and 2, the pneumatic shearing machine for the plates comprises a frame 1, and a feeding device, a shearing device and an automatic control device which are installed on the frame, wherein the shearing device is located on a discharging side of the feeding device, the feeding device is used for conveying the plates to be sheared to the shearing device, the shearing device is used for cutting off the plates, and the automatic control device is used for automatically controlling actions of the feeding device and the shearing device.
The feeding device comprises two feeding rollers which are vertically distributed and a driving motor which drives at least one feeding roller to rotate, and a plate conveying channel is formed between the two feeding rollers. The two feeding rollers in the embodiment are an upper roller 9 and a lower roller 10 respectively, the upper roller 9 is connected with a driving motor, the driving motor drives the upper roller to rotate, feeding is achieved, and the feeding speed can be adjusted by adjusting the rotating speed of the driving motor, so that the shearing length of the plate can be adjusted.
For the adjustment of convenient to going up roller and lower roll interval, the roller 101 both ends of this embodiment lower roll rotate respectively and install on two support frames 8 with the frame rigid coupling, and 8 upglide of support frame are equipped with the slider 81 that is located lower roll roller top, for the convenient removal to the slider leads, and this embodiment is equipped with the spout along vertical extension on the support frame, has set firmly vertical slide rail on the both sides wall of spout, and slider 81 is followed the slide rail reciprocates. The two ends of a roller shaft 91 of the upper roller are respectively connected with the two sliders in a rotating mode, and a pressure regulating mechanism for driving the sliders to move vertically is installed on the supporting frame.
Specifically, pressure regulating mechanism is including setting firmly crossbeam 84 at the carriage top to and the screw rod 86 that passes the crossbeam downwards, the screw rod passes through threaded connection with the crossbeam, and the upper end of screw rod has set firmly handle 85, and the lower extreme of screw rod rotates and is connected with regulation seat 83, is equipped with the spacing platform that restriction screw rod and regulation seat took place vertical relative displacement on adjusting the seat 83, adjusts the seat and is located the slider top and be connected through the spring 87 along vertical setting with the slider. When the screw rod is rotated, the screw rod is enabled to move vertically by utilizing the thread action of the screw rod and the cross beam, so that the adjusting seat is driven to move vertically, the screw rod and the adjusting seat only rotate relatively and do not move vertically, and the adjusting seat drives the sliding block to move vertically when moving vertically, so that the gap between the upper roller and the lower roller is adjusted. Through setting up the spring, play the cushioning effect, avoid panel pressurized to damage. The lower end of the spring is fixedly connected with a pressing plate 82, the pressing plate 82 is supported on the top surface of the sliding block 81, the outer diameter of the pressing plate is larger than that of the spring, and the pressing plate is arranged, so that the force transmission area of the sliding block is increased conveniently.
The shearing device comprises a bottom cutter 11 fixedly connected with the frame, a cutting-off cutter 3 hinged with the bottom cutter through a transverse shaft and positioned on one side of the bottom cutter far away from the feeding device, and an air cylinder 12 driving the cutting-off cutter to rotate around the axis of the transverse shaft, wherein the cutting-off cutter is positioned on the downstream side of the bottom cutter, and a cutter edge formed by the cutting-off cutter and the bottom cutter is opposite to the plate conveying channel. The guide pipe 7 is fixedly arranged between the plate conveying channel and the knife edge and fixedly connected with the rack, the feed inlet end of the guide pipe extends to the plate conveying channel, the discharge outlet end of the guide pipe extends to the knife edge, and the plate moves to the knife edge through the guide pipe, so that the plate is prevented from tilting due to shearing, and the plate to be sheared can smoothly enter the knife edge.
One side of the cutting-off knife far away from the bed knife is fixedly provided with a guide rail 2 extending vertically, the guide rail 2 is connected with the cutting-off knife 3 in a sliding mode, the cutting-off knife is attached to the guide rail, and the cutting-off knife always keeps attached to the guide rail when rotating under the action of the air cylinder.
In order to adjust the position of the guide rail, in this embodiment, a column 6 is fixedly disposed on the frame, an adjusting rod 5 penetrating through the guide rail is fixedly disposed on the column, the adjusting rod 5 is parallel to the transverse shaft, and fixing nuts 4 respectively disposed on two sides of the guide rail are connected to the adjusting rod through threads. When the position of the guide rail needs to be adjusted, the corresponding fixing nut is loosened, space is provided for adjustment of the guide rail, and after the guide rail is adjusted in place, the fixing nut is fastened, so that the structure is simple and the operation is convenient.
A vertical plate 13 positioned on one side of the bottom cutter far away from the cutting-off cutter is fixedly arranged on the rack, and the transverse shaft sequentially penetrates through the vertical plate 13, the bottom cutter 11 and the cutting-off cutter 3 along the conveying direction of the plate; the cross shaft comprises a first thread section 14, a hinge section 15, a second thread section 16 and a screwing head 17 which are sequentially arranged along the axial direction, a first through hole for the cross shaft to pass through is formed in the cutting-off cutter, a second through hole for the cross shaft to pass through is formed in the bed knife, a third through hole for the cross shaft to pass through is formed in the vertical plate, a limiting nut 18 located on one side of the cutting-off cutter away from the bed knife is connected to the first thread section through threads, the diameter of the hinge section is smaller than that of the first through hole, the second thread section is connected with the second through hole through threads, the outer diameter of the second thread section is larger than that of the first through hole, the outer diameter of the second thread section is smaller than that of the third through hole, and the outer size of the screwing head is larger than that of the third through hole. Utilize stop nut and second screw thread section to carry on spacingly to the cut-off cutter, the articulated shaft can rotate relative to the cut-off cutter, through rotating the cross axle, through the effect of second screw thread section screw thread, can realize the position control of cut-off cutter to realize the adjustment in cut-off cutter and dead knife clearance, with the shearing requirement of adaptation different thickness panels.
And when the proximity sensor detects the cutting-off knife, the shearing action is completed, and the air cylinder is switched from a contraction state to an extension state.
A shearing method using the pneumatic shearing machine for the plate comprises the following steps:
1. adjusting the distance between the upper roller and the lower roller according to the thickness and the hardness of the plate to be sheared so as to adjust the pressure of the upper roller and the compression roller on the plate and the friction force of the upper roller and the compression roller on the plate, thereby meeting the plate conveying requirements of different thicknesses and different hardnesses;
2. keeping the action interval time of the cylinder unchanged, adjusting the rotating speeds of the upper roller and the lower roller to adjust the cutting length of the plate and realize fixed-size automatic cutting, wherein the adjustment of the rotating speeds of the upper roller and the lower roller is realized by adjusting the rotating speed of a driving motor;
3. the plate to be cut penetrates through the space between the upper roller and the lower roller, the plate is conveyed through the rotation of the upper roller and the lower roller, the upper roller and the lower roller stop after rotating for a set time, at the moment, the movable end of the plate penetrates through a knife edge formed by the cutting knife and the bottom knife, the cylinder drives the cutting knife to rotate downwards to cut the plate, then the cylinder stretches again to jack the cutting knife, the upper roller and the lower roller rotate again to stop again after rotating for the set time, the cylinder drives the cutting knife to finish the cutting action again, and the operation is repeated;
4. when the thickness of cutting panel changes, the clearance between adjustment cutting off cutter and the bed knife to the position of corresponding adjustment guide rail, the cylinder drives the cutting off cutter and rotates the in-process downwards, and the cutting off cutter laminates with the guide rail all the time, in order to guarantee the level and smooth of panel cutting end face.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims (10)

1. A pneumatic sheet shearing machine, comprising: the shearing device is positioned on the discharge side of the feeding device;
the feeding device comprises two feeding rollers which are vertically distributed and a driving motor which drives at least one feeding roller to rotate, and a plate conveying channel is formed between the two feeding rollers;
the shearing device comprises a bottom cutter (11) fixedly connected with the frame, a cutting-off cutter (3) hinged with the bottom cutter through a transverse shaft and positioned on one side of the bottom cutter far away from the feeding device, and a cylinder (12) driving the cutting-off cutter to rotate around the axis of the transverse shaft, wherein a cutter edge formed by the cutting-off cutter and the bottom cutter is opposite to the plate conveying channel.
2. A pneumatic shearing machine for sheets according to claim 1, characterized in that: one side of the cutting knife far away from the bed knife is fixedly provided with a guide rail (2), and the guide rail (2) is connected with the cutting knife (3) in a sliding way.
3. A pneumatic shearing machine for sheets according to claim 2, characterized in that: the frame is fixedly provided with an upright post (6), the upright post is fixedly provided with an adjusting rod (5) penetrating through the guide rail, the adjusting rod (5) is parallel to the cross shaft, and the adjusting rod is connected with fixing nuts (4) respectively positioned at two sides of the guide rail through threads.
4. A pneumatic shearing machine for sheets according to claim 1, characterized in that: a vertical plate (13) positioned on one side of the bottom cutter far away from the cutting-off cutter is fixedly arranged on the machine frame, and the transverse shaft sequentially penetrates through the vertical plate (13), the bottom cutter (11) and the cutting-off cutter (3); the cross axle includes first screw thread section (14) that sets gradually along the axial, articulated section (15), second screw thread section (16) and twist and move head (17), set up the first through-hole that supplies the cross axle to pass on the cutting off cutter, set up the second through-hole that supplies the cross axle to pass on the bed knife, set up the third through-hole that supplies the cross axle to pass on the riser, there is the stop nut who is located cutting off cutter and keeps away from bed knife one side through threaded connection in the first screw thread section, the diameter of articulated section is less than the diameter of first through-hole, the second screw thread section passes through threaded connection with the second through-hole, and the external diameter of second screw thread section is greater than the internal diameter of first through-hole, the external diameter of second screw thread section is less than the internal diameter of third through-hole, the external dimension that twists the head is greater than the internal diameter of third through-hole.
5. A pneumatic shearing machine for sheets according to claim 1, characterized in that: a guide pipe (7) is fixedly arranged between the plate conveying channel and the knife edge, the feed inlet end of the guide pipe extends to the plate conveying channel, and the discharge outlet end of the guide pipe extends to the knife edge.
6. A pneumatic shearing machine for sheets according to claim 1, characterized in that: and a proximity sensor matched with the tail end of the cutting track of the cutting-off knife is fixedly arranged on the rack, and the proximity sensor is electrically connected with the air cylinder.
7. A pneumatic shearing machine for sheets according to claim 1, characterized in that: two feed rolls are upper roll (9) and lower roll (10) respectively, and the roller (101) both ends of lower roll are rotated respectively and are installed on two support frames (8) with the frame rigid coupling, and support frame (8) are gone up and are equipped with slider (81) that are located lower roll roller top, and roller (91) both ends of going up the roller are rotated with two sliders respectively and are connected, install the pressure regulating mechanism that drive slider followed vertical migration on the support frame.
8. A pneumatic plate shearing machine according to claim 7, wherein: the pressure regulating mechanism comprises a cross beam (84) fixedly arranged at the top of the supporting frame and a screw rod (86) penetrating through the cross beam downwards, the screw rod is connected with the cross beam through threads, a handle (85) is fixedly arranged at the upper end of the screw rod, the lower end of the screw rod is rotatably connected with a regulating seat (83), and the regulating seat is positioned above the sliding block and is connected with the sliding block through a spring (87) vertically arranged.
9. A pneumatic plate shearing machine according to claim 8, wherein: the lower end of the spring is fixedly connected with a pressure plate (82), the pressure plate (82) is supported on the top surface of the sliding block (81), and the outer diameter of the pressure plate is larger than that of the spring.
10. A shearing method using a plate pneumatic shearing machine according to any one of claims 1 to 9, characterized by comprising the following steps:
(1) adjusting the distance between the upper roller and the lower roller according to the thickness and the hardness of the plate to be sheared so as to adjust the pressure of the upper roller and the compression roller on the plate and the friction force of the upper roller and the compression roller on the plate;
(2) keeping the action interval time of the cylinder unchanged, and adjusting the rotating speeds of the upper roller and the lower roller so as to adjust the cutting length of the plate;
(3) the plate to be cut penetrates through the space between the upper roller and the lower roller, the plate is conveyed through the rotation of the upper roller and the lower roller, the upper roller and the lower roller stop after rotating for a set time, at the moment, the movable end of the plate penetrates through a knife edge formed by the cutting knife and the bottom knife, the cylinder drives the cutting knife to rotate downwards to cut the plate, then the cylinder stretches again to jack the cutting knife, the upper roller and the lower roller rotate again to stop again after rotating for the set time, the cylinder drives the cutting knife to finish the cutting action again, and the operation is repeated;
(4) when the thickness of cutting panel changes, the clearance between adjustment cutting off cutter and the bed knife to the position of corresponding adjustment guide rail, the cylinder drives the cutting off cutter and rotates the in-process downwards, and the cutting off cutter laminates with the guide rail all the time, in order to guarantee the level and smooth of panel cutting end face.
CN202210090767.2A 2022-01-26 2022-01-26 Pneumatic plate shearing machine and shearing method Pending CN114378351A (en)

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CN202210090767.2A CN114378351A (en) 2022-01-26 2022-01-26 Pneumatic plate shearing machine and shearing method

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CN202210090767.2A CN114378351A (en) 2022-01-26 2022-01-26 Pneumatic plate shearing machine and shearing method

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941021A (en) * 1975-01-17 1976-03-02 Meinholdt John W Shearing apparatus
CN2522206Y (en) * 2001-12-30 2002-11-27 王剑 Opening-closing type straight-line plate-shearing machine
CN203944916U (en) * 2014-06-26 2014-11-19 河北宝彗制管有限公司 A kind of slitter that reduces plate conveying amplitude
CN207615739U (en) * 2017-12-20 2018-07-17 威海南海碳材料有限公司 A kind of plate shearing machine
CN110193594A (en) * 2019-06-26 2019-09-03 四川共享铸造有限公司 For cutting the cutter of slender type metalwork
CN209363708U (en) * 2019-01-14 2019-09-10 武汉新宜搏科技有限公司 A kind of swing-type plate shears
CN212707000U (en) * 2020-05-29 2021-03-16 重庆擎天机电有限公司 Long-distance pipe cutting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941021A (en) * 1975-01-17 1976-03-02 Meinholdt John W Shearing apparatus
CN2522206Y (en) * 2001-12-30 2002-11-27 王剑 Opening-closing type straight-line plate-shearing machine
CN203944916U (en) * 2014-06-26 2014-11-19 河北宝彗制管有限公司 A kind of slitter that reduces plate conveying amplitude
CN207615739U (en) * 2017-12-20 2018-07-17 威海南海碳材料有限公司 A kind of plate shearing machine
CN209363708U (en) * 2019-01-14 2019-09-10 武汉新宜搏科技有限公司 A kind of swing-type plate shears
CN110193594A (en) * 2019-06-26 2019-09-03 四川共享铸造有限公司 For cutting the cutter of slender type metalwork
CN212707000U (en) * 2020-05-29 2021-03-16 重庆擎天机电有限公司 Long-distance pipe cutting device

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