CN116252061A - An automatic loading and unloading jig for NdFeB laser cutting processing - Google Patents

Abstract

The invention relates to the technical field of laser processing, and particularly discloses an automatic feeding and discharging jig for neodymium iron boron laser cutting processing, which comprises an electric base, wherein an upper frame is fixed on the upper surface of the electric base, an auxiliary feeding mechanism is fixed on one side of the upper frame, an feeding and discharging mechanism is fixed above the auxiliary feeding mechanism, one end of the auxiliary feeding mechanism is provided with a pushing mechanism fixed on the electric base, the pushing mechanism is perpendicular to the auxiliary feeding mechanism, and a porous trough is fixed on one side of one end of the upper frame. The beneficial effects are that: according to the invention, a multi-sheet feeding mode is adopted, so that the feeding time can be saved, one-time feeding is realized, the multiple sheets are simultaneously processed, the automatic feeding and discharging efficiency of neodymium iron boron material laser cutting is effectively improved, the feeding and discharging time is saved, the occupation ratio of laser cutting time is improved in the same processing time, the loading and discharging time occupation ratio of the jig is reduced, and the yield in unit time is effectively increased.

Description

An automatic loading and unloading fixture for NdFeB laser cutting processing

technical field

The invention relates to the technical field of laser processing, in particular to an automatic loading and unloading jig for NdFeB laser cutting processing.

Background technique

Laser cutting is the use of a focused high-power-density laser beam to irradiate the workpiece, so that the irradiated material is rapidly melted, vaporized, ablated or reached the ignition point, and at the same time the molten material is blown away by the high-speed airflow coaxial with the beam, so as to realize the cutting of the workpiece. open.

At present, most of the laser processing fixtures for NdFeB materials in the electrode sheet market are not efficient and cannot meet the demand for production. Therefore, the market urgently hopes that equipment manufacturers can develop high-efficiency and high-precision NdFeB laser cutting processing automatic loading and unloading. Fixtures can improve the efficiency of loading and unloading, reduce labor, reduce processing costs, and improve the overall product processing efficiency. The Chinese patent with the application number 202121889789.2 discloses an automatic positioning and feeding clamping fixture for precision laser cutting, including a reference plate, and two longitudinal guide rails are fixed side by side on the upper surface of the reference plate along the length direction, and one end of the longitudinal guide rail is The side column of the material trough is arranged on the outside, the material clamping device is fixed on the side column of the material trough by screws, the lower slider is slidably installed on the longitudinal guide rail, and the material conveying device is fixed on the lower slider by screws. Two horizontal positioning devices are installed symmetrically on both sides of the material conveying device. As the market's requirements for processing efficiency continue to increase, the loading and unloading efficiency of the above fixtures cannot meet market demand, so a more efficient loading and unloading fixture is needed to ensure production efficiency.

Contents of the invention

In order to solve the above problems, the present invention proposes an automatic loading and unloading jig for NdFeB laser cutting.

Technical scheme of the present invention is realized like this:

An automatic loading and unloading jig for NdFeB laser cutting, including an electric base, an upper frame is fixed on the upper surface of the electric base, an auxiliary feeding mechanism is fixed on one side of the upper frame, and the auxiliary feeding mechanism A loading and unloading mechanism is fixed above, and one end of the auxiliary feeding mechanism is provided with a pushing mechanism fixed on the electric base, the pushing mechanism is perpendicular to the auxiliary feeding mechanism, and one end of the upper frame A porous material trough is fixed, the porous material trough matches the position of the pushing mechanism, a material guide bracket is fixed above the upper frame, and a suction cup is inlaid on the inner bottom of the material guide bracket, and the suction cup is far away from the porous material The groove is set, a pipe joint is fixed under one end of the suction cup, and a blanking port is formed at the end of the material guide bracket away from the porous material groove.

Further, the pushing mechanism includes a first linear guide rail pair and a first ball screw pair arranged in parallel, and a trough claw adapter plate is fixed on the ball sleeve of the first ball screw pair, and the first The slider of the linear guide pair is fixed on the lower surface of the adapter plate of the trough claw, and one end of the first ball screw pair is connected to the first servo motor through a coupling transmission, and the adapter plate of the chute claw The upper surface is fixed with a trough push claw set towards the porous material trough, and a discharge notch is formed at the lower end of the porous trough towards the side of the upper frame, and the trough push claw is connected with the porous material Corresponds to the discharge notch position of the slot.

Further, a limit stopper is fixed on the lower surface of the chute claw adapter plate, and a positioning sensor matching the position of the limit stopper is fixed on the electric base.

Further, the auxiliary feeding mechanism includes a second linear guide pair and a second ball screw pair fixed on the electric base in parallel, the second linear guide pair is perpendicular to the first linear guide pair , one end of the second ball screw pair is connected with a second servo motor, the ball sleeve of the second ball screw pair is fixed with a loading and unloading mechanism, and the slider of the second linear guide pair is fixed on the On the lower surface of the loading and unloading mechanism, a drag chain is fixed on the side of the loading and unloading mechanism, and the other end of the drag chain is fixed on the electric base.

Further, the loading and unloading mechanism includes a push rod adapter plate, a third linear guide rail pair and a third ball screw pair are fixed on both ends of the upper surface of the push rod adapter plate, and the third ball screw pair and the third ball screw pair The third ball screw pair is arranged in parallel, the slider of the third linear guide rail pair and the ball sleeve of the third ball screw pair are fixed on the lower surface of the push rod slider, and the push rod transfers A third servo motor is fixed on the board, and the third servo motor is connected to the third ball screw pair through a synchronous belt. Two push rods are fixed on the push rod slider, and the two push rods are A blank clamping positioning plate is fixed between the material rods.

Further, the upper surface of the suction cup is flush with the inner groove surface of the material guide bracket, and dust-proof plates are fixed on both sides of the upper frame through detachable connections.

Adopt above-mentioned technical scheme, the beneficial effect of the present invention is:

1. The present invention adopts the method of multi-piece feeding, which can save the feeding time. One time feeding, multiple pieces are processed at the same time, which effectively improves the automatic loading and unloading efficiency of laser cutting of NdFeB materials, and saves the time of loading and unloading. In the same period of processing time, the proportion of laser cutting time is increased, the proportion of jig loading and unloading time is reduced, and the output per unit time is effectively increased.

2. The present invention adopts a negative pressure adsorption support structure, which can not only ensure that the material is not blown away by the laser cutting protective gas during the cutting process, but also ensure the processing accuracy of the product; it can also realize borderless laser cutting processing, which greatly improves the material quality. The utilization rate saves material cost.

3. The present invention proposes a new idea for the automatic loading and unloading process of NdFeB materials, and cooperates with the dedicated NdFeB precision laser cutting machine to effectively solve the problem of low processing efficiency in the market.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the first perspective view of the present invention;

Fig. 2 is the second perspective view of the present invention;

Fig. 3 is the front view of the present invention;

Fig. 4 is a top view of the present invention;

Figure 5 is a side view of the present invention.

The reference signs are explained as follows:

1. Electric base; 2. Pushing mechanism; 21. The first linear guide rail pair; 22. The first ball screw pair; 23. Adapter plate for trough claws; 24. Feed trough push claws; 25. Coupling 26. The first servo motor; 27. The limit block; 28. The positioning sensor; 3. The auxiliary feeding mechanism; 31. The second linear guide pair; 32. The second ball screw pair; 33. The second servo Motor; 34. Drag chain; 4. Loading and unloading mechanism; 41. Push rod adapter plate; 42. The third linear guide pair; 43. The third ball screw pair; 44. Timing belt; 45. The third servo motor; 46. Push rod slider; 47. Push rod; 48. Blank clamping positioning plate; 5. Porous trough; 51. Discharge slot; 6. Upper frame; 7. Guide bracket; plate; 9, suction cup; 91, pipe joint.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figures 1 to 5, an automatic loading and unloading fixture for NdFeB laser cutting processing includes an electric base 1, an upper frame 6 is fixed on the upper surface of the electric base 1, and an auxiliary power supply is fixed on one side of the upper frame 6. The feeding mechanism 3 and the auxiliary feeding mechanism 3 are fixed with a loading and unloading mechanism 4. Through the auxiliary feeding mechanism 3 and the loading and unloading mechanism 4, the materials can be automatically pushed to the processing station. One end of the auxiliary feeding mechanism 3 is provided with a motorized The pushing mechanism 2 on the base 1, the pushing mechanism 2 is perpendicular to the auxiliary feeding mechanism 3, the upper frame 6 is fixed with a porous trough 5 on one end side, the porous trough 5 is used to store multiple stacks of materials, and the porous trough 5 Matching with the position of the pushing mechanism 2, the material in the porous trough 5 can be pushed out of the porous trough 5 through the pushing mechanism 2. A material guide bracket 7 is fixed above the upper frame 6, and the material guide bracket 7 faces one side of the porous hopper 5. The side molding has a material boss for limiting the position. The inner bottom of the material guide bracket 7 is inlaid with a suction cup 9, which is used to absorb and fix the material to facilitate material fixing. The upper surface of the suction cup 9 is the laser cutting processing area, and the upper surface of the suction cup 9 corresponds to laser cutting. The path of the laser is formed with a laser avoidance groove to avoid damage to the suction cup 9. At the same time, it is convenient for the separation of products and waste materials. One end of the porous trough 5 is formed with a blanking opening, which is convenient for finished products and waste materials to drop.

In this embodiment, the pushing mechanism 2 includes a first linear guide rail pair 21 and a first ball screw pair 22 arranged in parallel. The ball sleeve of the first ball screw pair 22 is fixed with a trough claw adapter plate 23 . The slider of a linear guide rail pair 21 is fixed on the lower surface of the feeder claw adapter plate 23, one end of the first ball screw pair 22 is connected to the first servo motor 26 through a coupling 25, and the feeder claw adapter plate The upper surface of 23 is fixed with a trough push claw 24 arranged towards the porous trough 5, and the lower end of the porous trough 5 is formed with a discharge notch 51 facing the side of the upper frame 6, and the discharge notch 51 only allows one material plate to pass through , the trough push claw 24 corresponds to the position of the discharge slot 51 of the porous trough 5. After the first servo motor 26 is started, the first ball screw pair 22 can be driven to drive the trough push claw 24 along the first linear guide rail pair 21 moves close to or away from the porous trough 5, the trough push claw 24 can push a material plate at the bottom of the porous trough 5 onto the material guide bracket 7, and the lower surface of the trough claw adapter plate 23 is fixed with a limit stop 27. A positioning sensor 28 matching the position of the limit stop 27 is fixed on the electric base 1. The position sensor 28 is a groove sensor, and the positioning sensor 28 is used to detect whether the position of the limit stop 27 reaches the set position to realize the movement Positioning is convenient for controlling the work of the first servo motor 26.

In this embodiment, the auxiliary feeding mechanism 3 includes a second linear guide rail pair 31 and a second ball screw pair 32 fixed on the electric base 1 in parallel, and the second linear guide rail pair 31 is perpendicular to the first linear guide rail pair 21 One end of the second ball screw pair 32 is connected with a second servo motor 33, the ball sleeve of the second ball screw pair 32 is fixed with a loading and unloading mechanism 4, and the slider of the second linear guide rail pair 31 is fixed on the loading and unloading mechanism. 4. On the lower surface, a drag chain 34 is fixed on the side of the loading and unloading mechanism 4, and the drag chain 34 can be used to ensure the stability of the movement. The other end of the drag chain 34 is fixed on the electric base 1, and the second servo motor 33 can drive the second ball. The screw pair 32 drives the loading and unloading mechanism 4 to move along the second linear guide rail pair 31, and the auxiliary feeding mechanism 3 and the side are provided with a positioning system composed of a limit stopper 27 and a positioning sensor 28, and the second positioning system is controlled by the positioning system. Activation of the servo motor 33.

In this embodiment, the loading and unloading mechanism 4 includes a push rod adapter plate 41, and a third linear guide rail pair 42 and a third ball screw pair 43 are fixed on both ends of the upper surface of the push rod adapter plate 41, and the third ball screw pair 43 and the third ball screw pair 43 are arranged in parallel, the slider of the third linear guide rail pair 42 and the ball sleeve of the third ball screw pair 43 are all fixed on the lower surface of the push rod slider 46, and the push rod adapter plate 41 The third servo motor 45 is fixed on the top, and the third servo motor 45 is connected with the third ball screw pair 43 through a synchronous belt 44. Two push rods 47 are fixed on the push rod slider 46, and two push rods 47 There is a material clamping positioning plate 48 fixed between them, and the third servo motor 45 can drive the third ball screw pair 43 to drive the pusher rod 47 to move along the third linear guide rail pair 42 to automatically push multiple pieces of material to the material guide bracket 7. One side is convenient for positioning processing, and the loading and unloading mechanism 4 side is provided with a positioning system made up of a limit stopper 27 and a positioning sensor 282, and the start of the third servo motor 45 is controlled by the positioning system.

In this embodiment, the upper surface of the suction cup 9 is flush with the inner groove surface of the material guide bracket 7, and the two sides of the upper frame 6 are fixed with dust-proof plates 8 through detachable connections, which are used to block the dust produced when finished products and waste materials fall. Dust.

Working principle of the present invention is:

Step 1: After the laser cutting machine has set the automatic cutting program, the first servo motor 26 drives the trough push claw 24 to move from front to back to push multiple tablets in the porous trough 5 to the left side of the material guide bracket 7 at the same time. side; after the action is completed, the first servo motor 26 of the jig drives the trough push claw 24 to move back to the original position from the back to the front and wait for the next round of work;

Second step: the third servo motor 45 drives the push rod slide plate 46, the push rod 47, and the sheet clamping positioning plate 48 to move forward from the back, so that the two push rods 47 enter the both sides of the released sheet, and then the first The second servo motor 33 drives the push rod 47 to move from left to right along the material guide bracket 7, thereby pushing the material to the cutting area of the suction cup 9, and at the same time, the finished product cut in the previous round will be pushed to the discharge port and dropped go down;

The third step: when the set position is reached, the third servo motor 45 moves from front to back to drive the push rod slide plate 46, the push rod 47, and the blank clamping positioning plate 48 to leave the cutting area;

Step 4: Start the second servo motor 33 and move from right to left to drive the pusher rod 47 back to its original position, waiting for the next round of work. At the same time, the vacuum valve connected to the suction cup 9 will be opened, so that the material is tightly adsorbed on the The top of the suction cup 9;

Step 5: Carry out laser cutting processing.

The program will repeat the above five steps until the processing is completed, realizing automatic loading and unloading of multi-piece laser cutting. The laser cutting control program in this application is customized on the industry-wide laser cutting system, through the operation table and servo motor and positioning The sensor is electrically connected to realize automatic control.

The circuit connection involved in the present invention is a common means used by those skilled in the art, and technical inspiration can be obtained through limited tests, and belongs to the widely used prior art.

Components not specified herein are prior art.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (7)

1. An automatic loading and unloading fixture for NdFeB laser cutting, characterized in that: it comprises an electric base (1), the upper surface of the electric base (1) is fixed with an upper frame (6), and the upper frame (6) An auxiliary feeding mechanism (3) is fixed on one side, and a loading and unloading mechanism (4) is fixed above the auxiliary feeding mechanism (3). One end of the auxiliary feeding mechanism (3) is provided with a The pushing mechanism (2) on the electric base (1), the pushing mechanism (2) is perpendicular to the auxiliary feeding mechanism (3), and the upper frame (6) is fixed with a porous trough on one side (5), the position of the porous trough (5) is matched with the pushing mechanism (2), and a guide bracket (7) is fixed above the upper frame (6), and inside the guide bracket (7) The bottom is inlaid with a suction cup (9), and the suction cup (9) is set away from the porous trough (5). The upper surface of the suction cup 9 is formed with a laser avoidance groove corresponding to the path of laser cutting, and the bottom of one end of the suction cup (9) is fixed. There is a pipe joint (91), and the end of the material guide bracket (7) away from the porous material tank (5) is formed with a blanking opening. 2. An automatic loading and unloading jig for NdFeB laser cutting according to claim 1, characterized in that: the pushing mechanism (2) includes a first linear guide rail pair (21) and a second linear guide pair (21) arranged in parallel A ball screw pair (22), the ball sleeve of the first ball screw pair (22) is fixed with a trough claw adapter plate (23), and the slider of the first linear guide rail pair (21) is fixed On the lower surface of the claw adapter plate (23) of the trough, one end of the first ball screw pair (22) is connected to the first servo motor (26) through a coupling (25), and the trough The upper surface of the claw adapter plate (23) is fixed with a trough pushing claw (24) arranged towards the porous trough (5), and the lower end of the porous trough (5) faces one side of the upper frame (6). A discharge notch (51) is formed on the side, and the position of the push claw (24) of the trough corresponds to the position of the discharge notch (51) of the porous trough (5). 3. An automatic loading and unloading jig for NdFeB laser cutting according to claim 2, characterized in that: the lower surface of the trough claw adapter plate (23) is fixed with a limit stop (27), so A positioning sensor (28) matching the position of the limiting block (27) is fixed on the electric base (1). 4. An automatic loading and unloading jig for NdFeB laser cutting according to claim 3, characterized in that: the auxiliary feeding mechanism (3) includes a parallel fixed on the electric base (1) The second linear guide pair (31) and the second ball screw pair (32), the second linear guide pair (31) is perpendicular to the first linear guide pair (21), and the second ball screw pair One end of the pair (32) is connected with a second servo motor (33), the ball sleeve of the second ball screw pair (32) is fixed with a loading and unloading mechanism (4), and the second linear guide rail pair (31) The slider is fixed on the lower surface of the loading and unloading mechanism (4), the side of the loading and unloading mechanism (4) is fixed with a drag chain (34), and the other end of the drag chain (34) is fixed on the electric base (1) on. 5. An automatic loading and unloading jig for NdFeB laser cutting according to claim 4, characterized in that: the loading and unloading mechanism (4) includes a push rod adapter plate (41), and the push rod rotates A third linear guide pair (42) and a third ball screw pair (43) are fixed at both ends of the upper surface of the connecting plate (41), and the third ball screw pair (43) and the third ball screw pair (43) arranged in parallel, the slider of the third linear guide rail pair (42) and the ball sleeve of the third ball screw pair (43) are all fixed on the lower surface of the push rod slider (46), and the A third servomotor (45) is fixed on the push rod adapter plate (41), and the third servomotor (45) is transmission-connected with the third ball screw pair (43) through a synchronous belt (44). Two push rods (47) are fixed on the push rod slider (46), and a tablet clamping positioning plate (48) is fixed between the two push rods (47). 6. An automatic loading and unloading jig for NdFeB laser cutting according to claim 5, characterized in that: the side of the auxiliary feeding mechanism (3) and the loading and unloading mechanism (4) are provided with The positioning system composed of the limit stopper (27) and the positioning sensor (28). 7. An automatic loading and unloading jig for NdFeB laser cutting according to claim 1, characterized in that: the upper surface of the suction cup (9) and the inner groove surface of the material guide bracket (7) flush, and the two sides of the upper frame (6) are fixed with dustproof plates (8) through detachable connections.

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