CN114083147A - Automatic location pay-off cutting machine - Google Patents
Automatic location pay-off cutting machine Download PDFInfo
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- CN114083147A CN114083147A CN202111284470.1A CN202111284470A CN114083147A CN 114083147 A CN114083147 A CN 114083147A CN 202111284470 A CN202111284470 A CN 202111284470A CN 114083147 A CN114083147 A CN 114083147A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 252
- 230000008093 supporting effect Effects 0.000 claims abstract description 121
- 230000007246 mechanism Effects 0.000 claims abstract description 117
- 238000003698 laser cutting Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 37
- 230000009471 action Effects 0.000 abstract description 12
- 238000005452 bending Methods 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 4
- 238000009966 trimming Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 21
- 230000008569 process Effects 0.000 description 21
- 230000033001 locomotion Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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Abstract
The invention discloses an automatic positioning feeding cutting machine which comprises a rack, a plate positioning module arranged on the rack, a plate transferring module arranged at the downstream of the plate positioning module and a plate cutting module arranged above the plate transferring module, wherein the plate positioning module is arranged on the rack; the plate positioning module is used for adjusting the transverse position of a plate; the plate material transferring module comprises a sliding frame, a traction mechanism, a material supporting arm and a constant pressure mechanism, wherein the material supporting arm is provided with an auxiliary supporting mechanism for supporting the front end part of a plate material. According to the automatic positioning feeding cutting machine, the frame is provided with the plate positioning module, the plate transferring module and the plate cutting module, so that the processing operations such as edge finding positioning, transferring, trimming, leveling and the like can be automatically realized on a plate; the front end part of the plate is supported by the auxiliary supporting mechanism, so that the front end part of the plate is prevented from bending downwards under the action of gravity, and the problem of shell clamping when the front edge of the plate is connected with the welding device is solved.
Description
Technical Field
The invention relates to the technical field of laser welding, in particular to an automatic positioning feeding cutting machine.
Background
In the cold rolling continuous production process, in order to form continuous strip steel rolling, the very important point is that the tail end of a forward plate and the head of a subsequent plate are welded into a whole, before laser welding, the subsequent plate is positioned by a positioning device firstly, so that the front end of the subsequent plate is aligned with the tail end of the forward plate, and then the front end of the subsequent plate is transversely cut, so that opposite sides are leveled, and a better welding effect is achieved; and finally, the head of the subsequent plate is sent into the welding device through the transfer device. The transferring device mainly compresses the plate on the supporting arm through the constant pressure mechanism and then pulls the plate to move forward towards the welding device. However, when the plate is pulled to move forward towards the welding device, in order to enable the front end of the subsequent plate to be connected with the welding device without interference of the material supporting arm with the welding device, the front end of the plate can exceed the front end of the material supporting arm, so that the front end of the plate can be bent downwards due to no support, the shell clamping problem is easy to occur when the front end of the plate is connected with the welding device, namely the plate is interfered with the components of the welding device, and the normal transmission path of the plate is changed.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an automatic positioning feeding cutting machine, which aims to solve the problem of shell clamping when the front end of a plate is connected with a welding device by arranging an auxiliary supporting mechanism.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic positioning feeding cutting machine comprises a rack, a plate positioning module arranged on the rack, a plate transferring module arranged at the downstream of the plate positioning module and a plate cutting module arranged above the plate transferring module; the plate positioning module is used for adjusting the transverse position of a plate; the sheet material transfer module comprises a sliding frame and a traction mechanism, wherein the sliding frame is slidably arranged on the rack, the traction mechanism is used for driving the sliding frame to move back and forth, a plurality of material supporting arms extending in the front and back directions and a constant pressure mechanism used for pressing the sheet material on the material supporting arms are arranged on the sliding frame, an auxiliary supporting mechanism used for supporting the front end part of the sheet material is arranged on each material supporting arm, and the sheet material cutting module comprises a sliding seat, a laser cutting assembly and a laser driving mechanism, wherein the sliding seat is slidably arranged at the top of the rack, the laser cutting assembly is arranged on the sliding seat, and the laser driving mechanism drives the laser cutting assembly to reciprocate in the width direction of the sheet material.
The auxiliary bearing mechanism comprises a material supporting bracket arranged on the side surface of the material supporting arm, a guide seat arranged on the material supporting bracket, a guide rod transversely inserted in the guide seat, a supporting strip arranged above the material supporting bracket and an avoiding cylinder used for driving the supporting strip to move back and forth.
The rack is provided with a first travel switch, a second travel switch, a third travel switch and a fourth travel switch which are sequentially arranged from back to front; the sliding frame is provided with a front trigger piece and a rear trigger piece which are used for triggering the travel switch, the front trigger piece is installed on the front end face of the sliding frame, and the rear trigger piece is installed on the rear end face of the sliding frame.
And the sliding frame is provided with an ejection roller positioned at the upstream of the material supporting support arm and a jacking driving mechanism used for driving the ejection roller to move up and down.
The plate positioning module comprises a fixed frame arranged on the rack, a plurality of material supporting rollers arranged on the fixed frame in a crossing mode, a positioning flange assembly arranged on the fixed frame, a material pulling mechanism used for pulling the plate to the positioning flange assembly, and a material pushing mechanism used for pushing the plate to the positioning flange assembly.
The material pulling mechanism comprises a material pulling sliding seat capable of sliding transversely relative to the fixed frame, a movable gripper arranged on the material pulling sliding seat, a material pulling driving device used for driving the material pulling sliding seat to move transversely, and a first edge searching sensing assembly used for sensing one side edge of the plate material.
The movable gripper comprises a base fixed on the material pulling sliding base, a swinging base arranged on the base in a horizontally rotatable manner, and a material grabbing cylinder arranged on the swinging base vertically downwards; the output end of the material grabbing cylinder is provided with a first material clamping block, and a second material clamping block matched with the first material clamping block is fixedly arranged on the swinging seat; the first edge-searching induction assembly is arranged on the swinging seat.
The pushing mechanism comprises a pushing sliding seat capable of sliding transversely relative to the fixing frame, at least two edge pushing rollers vertically arranged on the pushing sliding seat and a pushing driving device for driving the pushing sliding seat to move transversely; and a second edge searching induction component used for inducing the other side edge of the plate is arranged on the material pushing sliding seat.
The location flange subassembly includes that two at least vertical flange rollers that set firmly on the mount, one side of flange roller is equipped with the sensing subassembly that targets in place that is used for detecting whether the side reason of sheet material removes to target in place.
The laser cutting assembly comprises a lifting mechanism arranged on the sliding seat and a laser generator arranged on the lifting mechanism, the laser driving mechanism comprises at least one group of driving belt wheel and driven belt wheel and is used for driving a cutting driving motor for driving the driving belt wheel to rotate, the driving belt wheel and the driven belt wheel are connected through synchronous belt transmission, and the synchronous belt is fixedly connected with the sliding seat.
Has the advantages that:
compared with the prior art, the automatic positioning feeding cutting machine provided by the invention has the advantages that the sheet positioning module, the sheet transferring module and the sheet cutting module are arranged on the rack, so that the processing operations such as edge finding positioning, transferring, trimming and leveling and the like on the sheet are automatically realized; in addition, the auxiliary supporting mechanism is arranged on the material supporting support arm, and the front end part of the plate is supported by the supporting strip, so that the front end part of the plate is prevented from bending downwards under the action of gravity, and the front end part of the plate is ensured to be always kept in a horizontally unfolded state in the transferring process; then the constant pressure mechanism compresses the sheet material on the material supporting arm, and finally the traction mechanism drives the sliding frame to enable the sheet material to move forward towards the welding device, when the sheet material is about to be transferred to the welding device, the auxiliary supporting mechanism automatically retreats and avoids collision between the auxiliary supporting mechanism and the welding device, and the sheet material is smoothly and horizontally sent to the welding device, so that the problem of shell clamping when the front edge of the sheet material is connected with the welding device is solved.
Drawings
Fig. 1 is a first perspective view of the automatic positioning feeding and cutting machine provided by the invention.
Fig. 2 is a second perspective view of the automatic positioning feeding and cutting machine provided by the invention.
Fig. 3 is a right side view of the automatic positioning feed cutter provided by the present invention.
Fig. 4 is a first assembly view of the slab positioning module and the slab transfer module according to the present invention.
Fig. 5 is a partial enlarged view of the region L1 in fig. 4.
Fig. 6 is a second assembly view of the slab positioning module and the slab transfer module according to the present invention.
Fig. 7 is a partial enlarged view of the region L2 in fig. 6.
Figure 8 is a schematic view of the transition of the slab from the slab positioning module to the slab transfer module in the working condition.
Fig. 9 is a schematic view of the operation state after the sheet material is transferred to the place by the sheet material transfer module.
Fig. 10 is a partial enlarged view of the region L3 in fig. 9.
Figure 11 is a perspective view of an auxiliary support mechanism according to the present invention.
Fig. 12 is a first perspective view of a plate positioning module according to the present invention.
Fig. 13 is a second perspective view of the plate positioning module provided by the present invention.
Fig. 14 is a schematic diagram of the state of the sheet positioning module for edge finding of the sheet.
Fig. 15 is a schematic view of the sheet positioning module in a state of positioning the sheet in the transverse transfer manner.
Fig. 16 is a perspective view of a movable grip provided by the present invention.
Fig. 17 is a partial enlarged view of the region L4 in fig. 12.
Fig. 18 is a partial enlarged view of the region L5 in fig. 13.
Detailed Description
The invention provides an automatic positioning feeding cutting machine, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.
Herein, "front" is a direction indicated by an arrow in fig. 1, 2, 3, 8, 9, 14, 15 and 16, i.e., a transfer direction of the sheet, and "rear" is opposite to "front". The transverse direction is the left-right direction.
Referring to fig. 1 to 18, the present invention provides an automatic positioning feeding and cutting machine, which includes a frame a, a plate positioning module b disposed on the frame a, a plate transferring module c disposed at the downstream of the plate positioning module b, and a plate cutting module e disposed above the plate transferring module c; the plate positioning module b is used for adjusting the transverse position of a plate d; the plate material transferring module c comprises a sliding frame c2 arranged on the rack in a sliding mode and a traction mechanism c3 used for driving the sliding frame to move back and forth, a plurality of material supporting support arms c4 extending in the front and back direction and a constant pressure mechanism c5 used for pressing a plate material on the material supporting arms are arranged on the sliding frame, an auxiliary supporting mechanism c7 used for supporting the front end portion of the plate material is arranged on the material supporting support arms c4, and the plate material cutting module e comprises a sliding seat e1 arranged at the top of the rack in a sliding mode, a laser cutting assembly e2 arranged on the sliding seat and a laser driving mechanism e3 used for driving the laser cutting assembly to reciprocate in the plate material width direction. The plate positioning module b, the plate transferring module c and the plate cutting module e are in modular design, so that the plate conveying device is convenient to install and disassemble, easy to transport and capable of improving production efficiency.
The automatic positioning feeding cutting machine provided by the invention is matched with an unreeling device to automatically process the sheet material, and the specific working process is as follows:
1. the sliding frame c2 in the plate material transferring module is located at a position close to the plate material positioning module b in an initial state, so that the material supporting arm c4 can be connected with a plate material on the plate material positioning module b, the unreeling device unreels a strip steel, the plate material firstly passes through the plate material positioning module b and then transits to the plate material transferring module c, and as the position sensing assembly b9 is arranged on the plate material positioning module c, when the position sensing assembly b9 senses that the plate material reaches a preset position, on one hand, the position sensing assembly b9 feeds back a signal to a control system, and the control system controls the plate material positioning module b to start to seek edges of the plate material; on the other hand, the sheet material d is to be transited from the sheet material positioning module b to the sheet material transferring module c, the control system controls the unwinding device to stop unwinding after a set time, so that the head of the sheet material after the unwinding is stopped is supported by the material supporting arm c4, and the front end of the sheet material is supported by the auxiliary supporting mechanism c 7.
2. After the edge of the plate positioning module b is found successfully, the plate positioning module b adjusts the transverse position of the plate, so that the front end of the plate is aligned with the tail end of the plate in the front row. Then the plate d is pressed on the material supporting arm c4 by the constant pressure mechanism c5, on one hand, the plate can move forwards along with the forward movement of the sliding frame c2, and the plate is prevented from moving in the moving process; on the other hand, in the cutting and welding process of the plate, the plate is still pressed by the constant pressure mechanism, so that the plate is prevented from deviating.
3. The plate cutting module e reciprocates along the width direction of the plate, namely, the laser moves transversely to cut and level the foremost end of the plate, and the auxiliary supporting mechanism c7 supports the plate d to prevent the front end part of the plate from bending downwards under the action of gravity, so that the plate is cut to form a flat front edge of the plate again, the flat front edge of the plate is convenient to be butted with the previous plate during the next welding, and a better welding effect is achieved.
4. After laser cutting is completed, the traction mechanism c3 continues to pull the plate to move towards the welding device, the front end of the plate is always supported by the auxiliary supporting mechanism in the transferring process, the front end portion of the plate is prevented from bending downwards under the action of gravity, the front end portion of the plate is guaranteed to be always kept in a horizontally unfolded state in the transferring process, the auxiliary supporting mechanism c7 can automatically retreat and avoid when being very close to the welding device, the auxiliary supporting mechanism is prevented from colliding with the welding device in the process that the sliding frame continues to move forwards, meanwhile, the sliding frame continues to move forwards, the plate is smoothly and horizontally conveyed onto the welding device, and therefore the shell clamping phenomenon when the front end of the plate is connected with the welding device is avoided.
Specifically, referring to fig. 9 and 10, the auxiliary supporting mechanism c7 includes a material supporting bracket c71 installed on the side surface of the material supporting arm, a guiding seat c74 installed on the material supporting bracket, a guiding rod c75 transversely inserted into the guiding seat, a supporting bar c72 installed above the material supporting bracket, and an avoiding cylinder c73 for driving the supporting bar to move back and forth.
In practical application, the number of the auxiliary supporting mechanisms c7 is the same as that of the material supporting arms c4, and each material supporting arm c4 is correspondingly provided with one auxiliary supporting mechanism c 7; the auxiliary supporting mechanism c7 is installed on the side of the material supporting arm c4, the flat bar part c721 of the supporting bar c72 is flush with the top surface of the material supporting arm c4, the avoiding cylinder c73 can drive the supporting bar c72 to move in the front-back direction (i.e. the direction close to/away from the welding device), and in the initial state, the flat bar part c721 extends forwards, i.e. the front end part of the flat bar part c721 is closer to the welding device than the front end part of the material supporting arm c 4. When the device works, the plate is firstly transited to the material supporting arm c4 from the positioning device until the plate is completely pressed on the supporting strip c72 and the material supporting arm c4, and at the moment, the front end part of the plate is supported by the supporting strip c72, as shown in fig. 5, so that the front end part of the plate is prevented from bending downwards under the action of gravity, and the front end part of the plate is ensured to be always kept in a horizontally unfolded state in the transferring process; then, the constant pressure mechanism c5 presses the sheet material on the material supporting arm c4, and finally, the traction mechanism c3 drives the carriage c2 to make the sheet material advance towards the welding device.
In order to control the carrying bar c72 to avoid, as shown in fig. 4 and 6, a first travel switch c81, a second travel switch c82, a third travel switch c83 and a fourth travel switch c84 are arranged on the frame a in sequence from back to front; the first travel switch c81, the second travel switch c82, the third travel switch c83 and the fourth travel switch c84 are all electrically connected with a control system, a front trigger piece c85 and a rear trigger piece c86 which are used for triggering the travel switches are arranged on the carriage c2, the front trigger piece c85 is installed on the front end face of the carriage c2, and the rear trigger piece c86 is installed on the rear end face of the carriage c 2. In the initial state, the rear trigger piece c86 triggers the first travel switch c81, which indicates that the carriage c2 is located at the initial position; under the driving of a traction mechanism c3, the sliding frame c2 moves forward towards the direction of the plate cutting module, when a front trigger piece c85 triggers a second travel switch c82, the plate is indicated to move to a leveling cutting area, the second travel switch c82 feeds back a signal to a control system, the control system controls the traction mechanism to stop acting, but at the moment, the supporting strip c72 is in an extending state, and the plate cutting module performs cutting leveling on the front end of the plate; then the front trigger piece c85 triggers the third travel switch c83 to indicate that the supporting strip c72 is very close to the welding device, the third travel switch c83 feeds back a signal to the control system, the control system controls the avoidance cylinder c73 to enable the avoidance cylinder c73 to drive the supporting strip c72 to retreat and avoid, the supporting strip c72 is prevented from colliding with the welding device in the process that the sliding frame c2 continues to advance, meanwhile, the sliding frame c2 continues to advance, the plate is smoothly and horizontally fed onto the welding device, so that the problem of shell clamping when the front end of the plate is connected with the welding device is avoided, the front trigger piece triggers the fourth travel switch c84 to indicate that the plate is transferred in place, the welding device welds the head of the plate and the tail of the downstream plate, and the constant pressure mechanism c5 loosens the plate after welding is completed; then the traction mechanism c3 drives the carriage c2 to move backwards and reset, although the rear trigger piece c86 triggers the third travel switch c83, the supporting bar c72 is in a retreating and retracting state at the moment and cannot move, then the rear trigger piece c86 triggers the second travel switch c82, and the second travel switch c82 feeds back a signal to the control system, so that the avoiding cylinder c73 drives the supporting bar c72 to extend forwards again; when the rear trigger piece c86 triggers the first travel switch c81, the carriage c2 is reset to the initial position.
In this embodiment, the guide seat c74 is provided with two linear bearing seats, and the guide rod c75 is a cylindrical shaft rod and transversely penetrates through the two guide seats c 74. The two linear bearing seats can share the downward pressure of the guide rod, the guide rod and the support bar are better loaded, and the guide rod and the linear bearing seats are matched to slide, so that the guide rod is ensured to slide smoothly in the transverse direction.
Preferably, the material supporting arm c4 is formed by processing a square tube, so that the material supporting arm is convenient to purchase and process and low in manufacturing cost. The top surfaces of the material supporting arms form a smooth bearing surface, and the plate materials are flattened on the bearing surfaces of the plurality of material supporting arms; the bottom of the front end part of the material supporting arm c4 is provided with a notch c41, so that the whole material supporting arm is in a shape ofAnd a plurality of mounting holes are formed in the side surface of the material supporting arm c4, and a worker can put screws into the material supporting arm through the notch c41 and assemble the material supporting arm with the screws in a matched mode through the mounting holes.
In order to ensure smooth and smooth movement of the carriage c2, a guide rail a4 extending in the front-rear direction is provided on each first square tube a1, and the bottom of the carriage c2 is slidably connected to the guide rail a4 through a slider a 5.
Furthermore, two groups of limit components c9 for limiting the forward and backward travel of the carriage c2 are arranged on the frame; each set of the spacing components c9 comprises a spacing seat c91, a hydraulic buffer c92 arranged on the spacing seat c91 and a spacing adjusting screw c93 arranged on the spacing seat c 91. When the sliding frame c2 is in place, the sliding frame c2 is firstly contacted with the hydraulic buffer c92, the hydraulic buffer c92 absorbs the moving inertia impact, the sliding frame c2 is decelerated and then abuts against the end part of the limit adjusting screw c93, the final stop position of the sliding frame c2 can be adjusted by screwing the limit adjusting screw c93, and the effect of adjusting the moving distance of the sheet material and the initial position of the sliding frame c2 is achieved.
In the embodiment, the traction mechanism c3 drives the carriage to move back and forth by using a transmission mode of a synchronous belt, and of course, the carriage may be driven to move by using a transmission mode of a chain transmission, a belt transmission or a linear module.
Furthermore, the carriage c2 is provided with an ejection roller c61 located at the upstream of the material supporting arm and a jacking driving mechanism for driving the ejection roller to move up and down. The ejection roller c61 is along transversely extending, jacking actuating mechanism includes two liftout cylinder c62 that set up, and two liftout cylinder c 62's output connects the both ends of ejection roller c61 respectively, and the roller end of ejection roller c61 passes through locking screw to be fixed on liftout cylinder c62, and liftout cylinder c62 passes through erection support to be fixed on balladeur train c 2. Note that, in the initial state of the topping roller c61, the height of the topping roller c61 is flush with the height of the carrier arm c 4. After the material ejecting cylinder c62 drives the material ejecting roller c61 to complete the up-and-down reciprocating motion within a set time, the material ejecting cylinder c62 enables the material ejecting roller c61 to keep an ejecting state, namely the height of the material ejecting roller c61 is higher than that of the material supporting arm c4, through the arrangement, the height of a plate positioned between the plate positioning module b and the material supporting arm c4 can be improved to the maximum extent, and the phenomenon that the plate bends downwards due to gravity in the transferring process and the corner of the sliding frame c2 rubs to influence the product quality is avoided. After the constant-pressure mechanism c5 clamps the sheet, the ejection cylinder c62 drives the ejection roller c61 to reset to the initial position. It should be understood that the control system controls the action duration of the jacking driving mechanism, and the control system can be implemented by setting the existing control program.
In practical application, the plate positioning module b is provided with a position sensing assembly b9, when the position sensing assembly b9 senses a predetermined position, on one hand, the position sensing assembly b9 feeds back a signal to the control system, and the control system controls the plate positioning module b to start adjusting the transverse position of the plate; on the other hand, the situation that the plate d is about to be transited from the plate positioning module b to the plate transferring module c is explained, so that at the same time, the control system controls the action of the jacking driving mechanism, the jacking driving mechanism drives the material ejecting roller c61 to continuously perform reciprocating actions of ascending and descending within a set time, when the front end part of the plate d passes through the material ejecting roller c61, the front end of the plate d firstly abuts against the cambered surface of the material ejecting roller c61, the plate d continues to advance under the action of pushing force, and under the guiding action of the cambered surface of the material ejecting roller c61 and the action of elastic deformation of the front end of the plate d, the plate d is gradually unfolded and flattened above the material ejecting roller c61 from a downward bending state; in addition, under the action of continuous up-and-down reciprocating movement of the jacking roller c61, the front edge of the plate d swings up and down along with the jacking roller c61, and generally, after the plate is jacked up by the jacking roller c61, the plate d directly slides onto the top surface of the material supporting arm c4, so that the problem of shell clamping cannot occur; even if the front edge of the sheet metal is temporarily clamped at the rear end of the material supporting arm c4 and cannot continue to advance, the jacking roller c61 can quickly jack the sheet metal d upwards, so that the front edge of the sheet metal d smoothly goes over the top surface of the material supporting arm c4 and is pressed on the material supporting arm c4, and the problem of shell clamping is solved.
Specifically, the plate positioning module b comprises a fixed frame b1 arranged on the frame a, a plurality of material supporting rollers b2 arranged on the fixed frame b1 in a crossing manner, a positioning flange component b3 arranged on the fixed frame b1, a material pulling mechanism b4 for pulling the plate d to the positioning flange component b3, and a material pushing mechanism b5 for pushing the plate d to the positioning flange component b 3. The plate positioning module b carries out plate edge searching and positioning according to the following steps: s01, horizontally feeding a plate d into a fixing frame b1 through an unreeling device, enabling the plate d to be located between a pulling mechanism b4 and a pushing mechanism b5, enabling a material supporting roller b2 to support the plate d to be conveyed forwards, enabling the plate d to trigger a position sensing assembly b9 when the front edge of the plate d triggers a position sensing assembly b9 at the forefront, enabling the position sensing assembly b9 to feed back an edge searching signal to a control system, enabling the control system to control the pulling mechanism and the pushing mechanism to realize edge searching of the plate, controlling the unreeling device to work for a set time again, and enabling the front end of the plate d to be conveyed above an auxiliary supporting mechanism; s02, when the first edge searching sensing assembly senses a plate d, the edge searching of the material pulling mechanism b4 is successful and stops moving, and the material pulling mechanism b4 clamps one side edge of the plate d; meanwhile, the control system also controls the pushing mechanism b5 to approach towards the direction of the plate material to realize edge searching, when the second edge searching sensing component b8 senses the plate material d, the pushing mechanism b5 successfully searches the edge and stops moving, and the pushing mechanism b5 applies thrust to the other side edge of the plate material d; s03, as shown in FIG. 14, when the edge searching of the material pulling mechanism b4 and the edge searching of the material pushing mechanism b5 are successful, the material pulling mechanism b4 and the material pushing mechanism b5 synchronously move towards the direction of the positioning flange component b3 at a constant speed, the material pulling mechanism b4 pulls the plate towards the positioning flange component b3, and the material pushing mechanism b5 pushes the plate towards the positioning flange component b 3; s04: when the in-position sensing assembly b6 senses the sheet, the side edge of the sheet abuts against the positioning flange assembly b3 to complete the positioning, as shown in fig. 15; and S05, controlling the constant pressure mechanism to press the plate material by the control system according to a signal fed back by the in-place sensing assembly, resetting the material pulling mechanism b4 to the initial position, and guiding the plate material by the material pushing mechanism b5 and the positioning flange assembly b3 together. And when the single edge searching and positioning process is finished, the control system waits for the next edge searching signal to trigger, and after the single edge searching and positioning process is finished, the plate passes through for a long time without the condition of the edge searching signal or the midway edge searching caused by the disordered triggering.
The sheet positioning module b has automatic edge searching and positioning functions by arranging the pulling mechanism b4 and the pushing mechanism b5, in an initial state, a sheet specification proper amount with a long width distance exists between the pulling mechanism b4 and the pushing mechanism b5, the edge searching and positioning operation of the sheet can be completed fully automatically only by sending the steel coil sheet with the width of 1.0-1.5m and the thickness of 0.2-5mm into the sheet positioning module b, the starting or stopping is not required to be triggered manually, the problem of accurate pre-placement operation by manpower consumption is solved, various commonly used sheets can be suitable for the sheet positioning module, the applicability is greatly improved, the sheet can be produced normally even if the processing specification of the sheet is changed, the equipment adjustment is not required, and the production rhythm and the production efficiency are not influenced.
Specifically, referring to fig. 12 and 17, the fixing frame b1 includes two symmetrically disposed side plates b11, and a plurality of guiding connecting rods b12 connecting the two side plates b 11; the guide connecting rod B12 transversely extends and is provided with a material supporting frame B13, a position sensing assembly B9 used for sensing the plate material transmission position is arranged on the material supporting frame B13, the material supporting frame B13 comprises a plurality of material supporting square tubes B131 arranged at intervals, each guide connecting rod B12 is connected with all the material supporting square tubes B131 in series, the material supporting square tubes B131 are fixed on the guide connecting rods B12 through locking rings B132, each material supporting square tube B131 is provided with U-shaped grooves B133 which are the same in number as the material supporting rollers B2 and correspond to each other one by one, and each material supporting roller B2 is embedded into the U-shaped grooves B133. In practical application, the height of the material supporting roller B2 is slightly higher than the top surface of the material supporting square pipe B131, and the gap between the material supporting roller B2 and the groove wall of the U-shaped groove B133 is extremely narrow, so that the front edge of the plate material can smoothly fall on the top surface of the material supporting square pipe B131 after leaving the material supporting roller B2, and cannot be clamped into the gap between the material supporting roller B2 and the groove wall of the U-shaped groove B133 to form interference, so that the problem of shell clamping of the plate material in the positioning process is avoided.
In this embodiment, the position sensing assembly b9 is arranged on the material supporting square pipe b131, the position sensing assembly b9 includes a plurality of diffuse reflection photoelectric sensors arranged from back to front, and the control system can acquire the position of the front edge of the plate material according to a feedback signal from the diffuse reflection photoelectric sensors to the control system.
Further, the pulling mechanism b4 includes a pulling slide b41 capable of sliding transversely relative to the fixed frame b1, a movable gripper b42 disposed on the pulling slide b41, a pulling driving device for driving the pulling slide b41 to move transversely, and a first edge-finding sensing assembly b7 for sensing one side edge of the sheet. When the edge is searched, the material pulling driving device brings the movable gripper b42 on the material pulling sliding seat b41 to move towards the side edge of the plate material; the material pulling sliding seat b41 is connected with the guide connecting rod b12 in a sliding mode, when the first edge finding sensing assembly b7 senses the side edge of the plate, the edge finding is successful, the movable gripper b42 clamps the plate, and the movable gripper b42 on the material pulling sliding seat b41 is pulled by the material pulling driving device to pull the side edge of the plate to move towards the positioning flange assembly b 3.
In this embodiment, referring to fig. 16, the movable gripper b42 includes a seat b421 fixed on the material pulling slide b41, a swing seat b422 horizontally and rotatably disposed on the seat b421, and a material grabbing cylinder b423 vertically and downwardly disposed on the swing seat b 422; the output end of the material grabbing cylinder b423 is provided with a first material clamping block b424, and the swinging seat b422 is fixedly provided with a second material clamping block b425 matched with the first material clamping block b 424; the first edge-searching induction component is arranged on the swinging seat b 422. In the initial state, the first material clamping block b424 and the second material clamping block b425 on the movable hand grip b42 are separated from each other to form a clamping opening.
When the first edge finding sensing assembly b7 senses a sheet d, it is indicated that the edge finding of the movable gripper b42 is successful, the clamping opening is very close to the side edge of the sheet, the material pulling driving device continues to drive the movable gripper b42 to move towards the sheet according to a set control program, so that the side edge of the sheet extends into the clamping opening and the edge of the sheet abuts against the swing seat b422, then the material grabbing cylinder b423 drives the first material clamping block b424 to move, the first material clamping block b424 and the second material clamping block b425 smoothly clamp the sheet together, at this time, the extending direction of the side edge of the sheet is parallel to the length extending direction of the first material clamping block b424, and the sheet does not drive the swing seat b422 to swing. If the sheet material deviates in the feeding process, after the sheet material extends into the clamping opening, one part of the side edge of the sheet material positioned in the clamping opening cannot abut against the swing seat b422, and the other part of the side edge of the sheet material positioned in the clamping opening pushes the swing seat b422 to swing until the extending direction of the side edge of the sheet material is parallel to the length extending direction of the first clamping block b424 and the side edge of the sheet material of the clamping opening completely abuts against the swing seat b422, because the swing seat b422 can swing adaptively according to the deviation degree of the side edge of the sheet material, on one hand, the rigid impact of the sheet material on the swing seat b422 can be reduced, on the other hand, the positions of the first clamping block b424 and the second clamping block b425 can be adjusted, and the first clamping block b424 and the second clamping block b425 can effectively clamp the sheet material. It should be noted that the movable gripper b42 pulls the sheet material to a set area to realize positioning, the sheet material is corrected in the positioning process, and the sheet material drives the swing seat b422 to reset to an initial state during correction, that is, the swing seat b422 is moving toward the pushing mechanism b5 again.
Further, the seat body b421 includes a fixed plate b4211, a vertical rod b4213 fixed on the fixed plate b4211, a top plate b4212 fixed at the top end of the vertical rod b4213, and a bottom plate b4214 fixed at the bottom end of the vertical rod b 4213; the fixing plate b4211 comprises a raised head part and a flat plate mounting part, the vertical rod b4213 is vertically arranged in the center of the raised head part, and the flat plate mounting part is detachably connected with the material pulling sliding seat b 41; the back of the swing seat b422 is provided with two limiting side edges b426, and the two limiting side edges b426 are respectively positioned at two sides of the raised head part. The limit side edge b426 cooperates with the raised head to limit the moving angle of the swing seat b422, so as to prevent the swing seat b422 from over-rotating.
Preferably, the first edge-finding sensing assembly b7 includes a first infrared emitter b71 and a first infrared receiver b72 mounted on the swing seat b422, and both the first infrared emitter and the first infrared receiver are electrically connected to the control system. When the panel clamping device works, the first infrared transmitter b71 transmits vertical infrared light to be received by the first infrared receiver b72, the infrared light is located in front of the clamping opening, when the panel blocks the infrared light, the first infrared receiver b72 feeds back a signal to the control system, the movable gripper b42 finds the edge successfully, and then the control system controls the material grabbing cylinder b423 to drive the first material clamping block b424 to press the panel on the second material clamping block b425 after timing setting is completed, so that panel clamping is achieved.
In this embodiment, referring to fig. 12, 13 and 18, the material pulling driving device includes a material pulling screw b43 extending transversely, a screw nut b44 sleeved on the material pulling screw b43, and a material pulling driving motor b45 for driving the material pulling screw b43 to rotate, the material pulling driving motor b45 is fixed on a side plate b11 through a motor bracket, and the screw nut b44 is fixed on the material pulling sliding seat b 41. One end of the pulling lead screw b43 facing the middle part of the fixed frame b1 is arranged on a first bearing mounting block b46 in a penetrating way through a bearing; the other end is arranged on a second bearing mounting block b47 through a bearing; one end of a material pulling lead screw b43 is connected with a coupler and an output shaft of the material pulling driving motor b 45; the first bearing mounting block b46 is fixed on a material holding frame b13 positioned in the middle of the machine frame a, and the second bearing mounting block b47 is fixed on a side plate b 11. The screw drive mode has the advantages of high precision, reversibility and high efficiency, the material pulling drive motor b45 drives the material pulling slide seat b41 to be close to or far away from the middle part of the rack a under the guide of the guide connecting rod b12 through positive and negative rotation movement under the drive of the material pulling screw b43 and the screw nut b44, and the edge searching and material pulling effects are good.
Specifically, referring to fig. 9, the pushing mechanism b5 includes a pushing slide b51 capable of sliding laterally relative to the fixed frame b1, at least two edge pushing rollers b52 vertically disposed on the pushing slide b51, and a pushing driving device for driving the pushing slide b51 to move laterally; and a second edge searching induction component b8 used for inducing the other side edge of the plate is arranged on the material pushing sliding seat b 51. Push away material slide b51 and direction connecting rod b12 sliding connection, location flange subassembly b3 includes that at least two are vertical to be set firmly flange roller b31 on mount b1, one side of flange roller b31 is equipped with the sensing subassembly b6 that targets in place that is used for detecting whether the side edge of sheet material moves to the target in place.
It should be noted that, because the sheet material has a certain weight load, in order to make the sheet material move horizontally stably and reliably, in this embodiment, two edge pushing rollers b52 are provided in the pushing mechanism b5, and one movable gripper b42 is provided, so as to form a stable force triangle, and the sheet material is positioned by skillfully using the mutual cooperation of the pushing mechanism b5 and the pulling mechanism b4 to move the sheet material horizontally and horizontally, and therefore the pushing slide b51 and the pulling slide b41 need to move synchronously and at a constant speed, and the pushing drive device and the pulling drive device have the same and symmetrical structure, and the specific structure and working principle of the pushing drive device are not described herein again.
Preferably, the second edge finding induction assembly b8 includes drawing the material sensor support, sets up at the second infrared emitter who draws the material sensor support top and sets up in drawing material sensor support bottom and with the second infrared receiver of second infrared emitter looks adaptation, second infrared emitter and second infrared receiver all with control system electric connection. When the device works, the second infrared transmitter transmits vertical infrared light to be received by the second infrared receiver, when the side edge of the plate shields the infrared light, the edge pushing roller b52 just abuts against the side edge of the plate, the second infrared receiver feeds back a signal to the control system, the situation that the edge of the material pushing mechanism b5 is found successfully is shown, then the control system controls the material pushing mechanism b5 to stop acting, and the device waits for being matched with the material pulling mechanism b4 to perform transverse transferring and positioning on the plate.
In this embodiment, referring to fig. 12 and 13, the positioning flange assembly b3 includes at least two flange rollers b31 vertically fixed on a fixing frame b1, and an in-place sensing assembly b6 for detecting whether the side edge of the sheet material moves in place is disposed beside the flange rollers b 31.
Preferably, the in-place sensing assembly b6 comprises an in-place sensor support, a third infrared emitter arranged at the top of the in-place sensor support, and a third infrared receiver arranged at the bottom of the in-place sensor support and matched with the third infrared emitter, wherein the third infrared emitter and the third infrared receiver are both electrically connected with the control system. When the device works, the third infrared transmitter transmits vertical infrared light to be received by the third infrared receiver, when the side edge of the plate shields the infrared light, the edge pushing roller b52 just abuts against the side edge of the plate, the third infrared receiver feeds back a signal to the control system, the situation that the side edge of the plate successfully abuts against the edge pushing roller b52 to achieve positioning after the plate is transferred through the cooperation of the material pushing mechanism b5 and the material pulling mechanism b4 is shown, at the moment, the control system controls the material pushing mechanism b5 and the material pulling mechanism b4 to stop moving, the control system controls the movable gripper b42 to loosen the plate, the plate can be further conveyed forwards, the plate is limited and guided by the edge blocking roller b31 and the edge pushing roller b52, the plate cannot shift in the conveying process, and accurate plate butt joint is ensured. It can be understood that, since the edge blocking roller b31 and the edge pushing roller b52 are rotatable, the friction between the edge blocking roller b31 and the edge pushing roller b52 and the side edge of the sheet is small, and the normal conveying of the sheet is not affected.
Furthermore, at least two limit rollers b32 are fixedly arranged on the guide connecting rod b 12. The limit roller b32 can limit the plate material just fed into the fixing frame b1 between the limit roller b32 and the edge blocking roller b31, so that the edges of the plate material are prevented from colliding with the pushing mechanism b5 and the pulling mechanism b 4.
Specifically, laser cutting subassembly e2 is including setting up elevating system e21 on the slide, installing the laser generator e22 on elevating system, laser actuating mechanism e3 includes at least a set of driving pulley c31 and driven pulley c32, is used for driving pulley pivoted cutting driving motor c33, driving pulley c31 and driven pulley c32 pass through hold-in range c34 transmission and connect, hold-in range and slide fixed connection. During cutting, the lifting mechanism drives the laser generator to be close to the plate, so that laser emitted by the laser generator can form an optimal cutting focus, then the cutting driving motor enables the synchronous belt to move along the width direction of the plate, and the laser is driven to move in the direction to cut the plate.
The lifting mechanism e21 can be a linear module, a screw rod mechanism and the like, and has the main effect of providing an output end of linear motion, and can be directly purchased from the market.
Further, be equipped with a plurality of concatenation ear a1 on the leading flank of frame a, through setting up like this, the automatic positioning pay-off cutting machine can assemble the concatenation with welding set fast, every stabilizer blade department of frame is equipped with sole a2, and the equipment of being convenient for is fixed subaerial, reduces equipment and takes place the vibration at the course of the work. The top of the frame is provided with a hanging ring a3, which is convenient for carrying.
Specifically, the constant pressure mechanism c5 includes a constant pressure frame c51 disposed on the carriage c2, and a plurality of downward pressure cylinders c52 disposed downward on the cross beam of the constant pressure frame c51, and the output end of each downward pressure cylinder c52 is provided with a pressure block c 53. Before cutting, the plate is placed on the material supporting arm c4 and the auxiliary supporting mechanism, the pressing cylinder c52 drives the pressing block c53 to move downwards, the pressing block c53 fixes the plate on the material supporting arm c4, on one hand, the plate can move forwards along with the forward movement of the sliding frame, and the plate is prevented from moving forwards in the moving process; on the other hand, in the process of welding the plate, the pressing block c53 still presses the plate tightly, so that the plate is prevented from deviating. It will be appreciated that after the welding operation is completed, the pressing cylinder c52 will drive the pressing block c53 to move upwards to loosen the plate.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.
Claims (10)
1. An automatic positioning feeding cutting machine is characterized by comprising a rack, a plate positioning module arranged on the rack, a plate transferring module arranged at the downstream of the plate positioning module and a plate cutting module arranged above the plate transferring module; the plate positioning module is used for adjusting the transverse position of a plate; the sheet material transfer module comprises a sliding frame and a traction mechanism, wherein the sliding frame is slidably arranged on the rack, the traction mechanism is used for driving the sliding frame to move back and forth, a plurality of material supporting arms extending in the front and back directions and a constant pressure mechanism used for pressing the sheet material on the material supporting arms are arranged on the sliding frame, an auxiliary supporting mechanism used for supporting the front end part of the sheet material is arranged on each material supporting arm, and the sheet material cutting module comprises a sliding seat, a laser cutting assembly and a laser driving mechanism, wherein the sliding seat is slidably arranged at the top of the rack, the laser cutting assembly is arranged on the sliding seat, and the laser driving mechanism drives the laser cutting assembly to reciprocate in the width direction of the sheet material.
2. The automatic positioning feeding and cutting machine according to claim 1, wherein the auxiliary supporting mechanism comprises a supporting bracket mounted on the side surface of the supporting arm, a guide seat arranged on the supporting bracket, a guide rod transversely inserted into the guide seat, a supporting bar arranged above the supporting bracket, and an avoiding cylinder for driving the supporting bar to move back and forth.
3. The automatic positioning feeding and cutting machine according to claim 2, wherein the frame is provided with a first travel switch, a second travel switch, a third travel switch and a fourth travel switch which are arranged in sequence from back to front; the sliding frame is provided with a front trigger piece and a rear trigger piece which are used for triggering the travel switch, the front trigger piece is installed on the front end face of the sliding frame, and the rear trigger piece is installed on the rear end face of the sliding frame.
4. The automatic positioning feeding and cutting machine according to claim 1, wherein the carriage is provided with an ejecting roller located upstream of the material supporting arm and a lifting drive mechanism for driving the ejecting roller to move up and down.
5. The automatic positioning feeding and cutting machine according to claim 1, wherein the plate positioning module comprises a fixed frame arranged on the machine frame, a plurality of material supporting rollers arranged on the fixed frame in a crossing manner, a positioning flange assembly arranged on the fixed frame, a material pulling mechanism for pulling the plate towards the positioning flange assembly, and a material pushing mechanism for pushing the plate towards the positioning flange assembly.
6. The automatic positioning feed cutting machine according to claim 5, wherein the material pulling mechanism comprises a material pulling slide seat capable of sliding transversely relative to the fixed frame, a movable gripper arranged on the material pulling slide seat, a material pulling driving device for driving the material pulling slide seat to move transversely, and a first edge searching sensing assembly for sensing one edge of the plate material.
7. The automatic positioning, feeding and cutting machine according to claim 6, wherein the movable gripper comprises a base fixed on the material pulling slide, a swing base horizontally rotatably arranged on the base, and a material grabbing cylinder vertically arranged downwards on the swing base; the output end of the material grabbing cylinder is provided with a first material clamping block, and a second material clamping block matched with the first material clamping block is fixedly arranged on the swinging seat; the first edge-searching induction assembly is arranged on the swinging seat.
8. The automatic positioning feeding and cutting machine according to claim 6, wherein the pushing mechanism comprises a pushing slide seat capable of sliding transversely relative to the fixing frame, at least two edge pushing rollers vertically arranged on the pushing slide seat, and a pushing driving device for driving the pushing slide seat to move transversely; and a second edge searching induction component used for inducing the other side edge of the plate is arranged on the material pushing sliding seat.
9. The automatic positioning feeding and cutting machine according to claim 6, wherein the positioning flange assembly comprises at least two flange rollers vertically fixed on the fixed frame, and an in-place sensing assembly for detecting whether the side edge of the sheet material moves in place is arranged beside the flange rollers.
10. The automatic positioning feed cutting machine according to claim 1, wherein the laser cutting assembly comprises a lifting mechanism disposed on the slide, and a laser generator mounted on the lifting mechanism, the laser driving mechanism comprises at least one set of a driving pulley and a driven pulley, and a cutting driving motor for driving the driving pulley to rotate, the driving pulley and the driven pulley are connected through a synchronous belt transmission, and the synchronous belt is fixedly connected with the slide.
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CN210549485U (en) * | 2019-07-30 | 2020-05-19 | 华工法利莱切焊***工程有限公司 | Automatic cutting and welding equipment for integrated plates |
CN212830814U (en) * | 2020-05-29 | 2021-03-30 | 佛山永久纸业制品有限公司 | Lifting type auxiliary feeding table |
WO2021103633A1 (en) * | 2019-11-28 | 2021-06-03 | 广州大学 | Integrated feeding and cutting device for regular long strip-shaped materials |
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CN203184474U (en) * | 2013-02-28 | 2013-09-11 | 上海埃锡尔数控机床有限公司 | Bending machine rear-locating and pneumatic-material-supporting combination device |
CN105151873A (en) * | 2015-09-17 | 2015-12-16 | 成都爆米花信息技术有限公司 | High-efficiency steel strip feeding structure |
CN205519334U (en) * | 2015-12-25 | 2016-08-31 | 祥鑫科技股份有限公司 | Overhead supplementary support material mechanism |
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