Automatic loading, glazing and stacking integrated equipment for resistance sheet and using method thereof

Abstract

The application discloses a kind of automatic loading glaze rolling and stacking integrated equipment of resistance sheet and use method, belong to resistance sheet production equipment technical field.The application uses feeding, glaze rolling, temporary storage, stacking integrated structure for the technical problem that the existing glaze rolling process is highly dependent on manual, equipment connection is poor, glaze quality consistency is poor, and waste rate is high, equipment mainly includes mounting table, glaze rolling mechanism, resistance sheet conveying mechanism, resistance sheet taking and feeding mechanism with double material taking assembly and stacking conveying mechanism.Double material taking assembly matches the spacing between each station, and can be moved synchronously to complete the feeding of resistance sheet to be processed and the transfer of finished resistance sheet, to realize process parallel operation;At the same time, end face vacuum adsorption transfer, axial positioning glaze rolling and glaze layer standing pre-hardening structure are used to avoid glaze surface damage.The application simultaneously discloses the automatic operation method of adaptive equipment, without manual transfer throughout.The application effectively improves equipment utilization and production capacity, accurately controls glaze thickness, greatly reduces product waste rate, and significantly improves production consistency and automation degree.

Description

Technical Field

[0001] This application belongs to the technical field of resistor sheet production equipment, specifically relating to an integrated automatic feeding, glazing, and palletizing equipment for resistor sheets and its usage method. Background Technology

[0002] In the production process of columnar resistors, the radial circumferential surface of the resistors needs to be glazed for insulation, and roller glazing is one of the commonly used glazing processes. Currently, the roller glazing process in the industry mainly adopts two modes: one is a purely manual mode, in which operators manually place the resistor pieces onto the rollers at the roller glazing station, and after glazing, they are manually removed and transported to the stacking area. The single-shift capacity is about 800 pieces / day, and the positional deviation of manual placement can easily lead to a glaze layer thickness deviation of ±0.05mm, resulting in poor quality consistency; the other is a semi-automated mode, which uses independent feeding machines, roller glazing machines, and stacking machines. There is a lack of connection between the equipment, and manual transfer carts are required for intermediate transfer. The turnaround time for each batch (200 pieces) is about 15 minutes, the overall equipment utilization rate is only 65%, and the undried glaze layer is easily damaged during the transfer process, resulting in a scrap rate of more than 2%. Summary of the Invention

[0003] The purpose of this application is to address the shortcomings of existing technologies by providing an integrated automatic feeding, glazing, and palletizing equipment and method for resistor sheets, eliminating the manual transfer step in the glazing process and improving equipment uptime and consistency of glazing quality.

[0004] This invention is implemented as follows: it provides an integrated automatic feeding, glazing, and palletizing equipment for resistor sheets, including an installation platform, a glazing mechanism, a power motor, a resistor sheet conveying mechanism, a resistor sheet picking and feeding mechanism, a resistor sheet temporary storage platform, a resistor sheet palletizing and conveying mechanism, and a resistor sheet palletizing and placing platform.

[0005] The glazing mechanism is located on the rear side of the upper end of the mounting platform. It includes a glaze pool and two parallel glazing rollers. The two glazing rollers are rotatably connected to the upper part of the glaze pool. The upper area between the wheel surfaces of the two glazing rollers is the glazing zone. A power motor is used to drive the two glazing rollers to rotate synchronously.

[0006] The resistor sheet conveying mechanism is located on the left side of the mounting platform and is used to convey the resistor sheets one by one to the discharge position; the resistor sheet temporary storage platform is located above the mounting platform on the right side of the glaze pool; the resistor sheet stacking and placement platform is located on the right side of the mounting platform.

[0007] The resistor sheet picking and feeding mechanism is slidably connected to the horizontal guide rail on the upper part of the mounting platform. It can move back and forth between the discharge position, the glazing area, and the resistor sheet temporary storage platform along the horizontal guide rail. The resistor sheet picking and feeding mechanism is equipped with a first picking component and a second picking component with a fixed spacing. The center distance between the first picking component and the second picking component is equal to the center horizontal distance between the discharge position and the glazing area, and also equal to the center horizontal distance between the glazing area and the resistor sheet temporary storage platform.

[0008] The resistor sheet stacking and conveying mechanism is installed above the resistor sheet temporary storage platform and the resistor sheet stacking and placement platform, and is used to transfer the resistor sheets on the resistor sheet temporary storage platform to the resistor sheet stacking and placement platform for stacking. As a preferred structure, a barrier is provided at the rear center of the glazing area, with the front side of the barrier abutting against the rear end face of the resistor sheet for axial positioning. The resistor sheet conveying mechanism includes a support frame, a conveyor motor, a conveyor belt, a drive roller, and a driven roller. The drive roller is rotatably connected to the upper left side of the support frame, and the driven roller is rotatably connected to the upper right side of the support frame. The conveyor belt is sleeved between the drive roller and the driven roller. The output shaft of the conveyor motor is drively connected to the drive roller. A guide rail is provided on the upper side of the conveyor belt, and a limit baffle is fixed at the right end of the guide rail. The discharge position is the location of the resistor sheet blocked by the limit baffle at the far right of the guide rail. The resistance sheet feeding mechanism includes a slide plate, a feeding motor, a longitudinal support frame, a longitudinal sliding plate, a dual-axis drive cylinder, a longitudinal motor, and a feeding beam. The slide plate is slidably connected to the transverse guide rail. The feeding motor is fixed on the slide plate, and the gear at the output shaft end meshes with the transverse rack between the transverse guide rails, driving the slide plate to move along the transverse guide rails. The longitudinal support frame is fixed to the upper end of the slide plate, and a vertically arranged lead screw is rotatably connected to the longitudinal support frame. The longitudinal motor is fixed to the upper end of the longitudinal support frame, and its output shaft is driven by the lead screw. The longitudinal sliding plate is slidably connected to the longitudinal support frame and is driven by the lead screw nut. The dual-axis drive cylinder is fixed on the longitudinal sliding plate, and its piston rod is horizontally positioned towards the glaze pool. The feeding beam is fixed to the piston rod end of the dual-axis drive cylinder. The first feeding component is fixed to the left end of the feeding beam, and the second feeding component is fixed to the right end of the feeding beam.

[0009] The first material handling assembly includes a first swing cylinder, a first dual-axis cylinder, and a first vacuum suction cup. The cylinder body of the first swing cylinder is fixed to the left end of the feeding beam, and its swing output end is fixedly connected to the cylinder body of the first dual-axis cylinder. The piston rod of the first dual-axis cylinder is positioned downwards, and the first vacuum suction cup is fixed to the piston rod end of the first dual-axis cylinder with its suction surface facing downwards. The second material handling assembly includes a second swing cylinder, a second dual-axis cylinder, and a second vacuum suction cup. The cylinder body of the second swing cylinder is fixed to the right end of the feeding beam, and its swing output end is fixedly connected to the cylinder body of the second dual-axis cylinder. The piston rod of the second dual-axis cylinder is positioned downwards, and the second vacuum suction cup is fixed to the piston rod end of the second dual-axis cylinder with its suction surface facing rearwards. The resistor sheet stacking and conveying mechanism includes a stacking beam, a stacking motor, a transverse lead screw, a transverse sliding plate, a longitudinal cylinder, and a third suction cup. The stacking beam is mounted above the resistor sheet temporary storage platform and the resistor sheet stacking platform. The transverse lead screw is rotatably connected to the front side of the stacking beam in the left-right direction. The stacking motor is fixed to the right end of the stacking beam, and its output shaft is driven by the transverse lead screw. The transverse sliding plate is slidably connected to the stacking beam and is driven by the transverse lead screw through the lead screw nut. The longitudinal cylinder is fixed on the transverse sliding plate, with its piston rod facing downwards. The third suction cup is fixed to the piston rod end of the longitudinal cylinder, with its suction surface facing downwards.

[0010] The resistor chip stacking platform includes a placement base, a material tray, a material motor, and a drive screw. The drive screw is rotatably connected to the upper end of the placement base in the front-back direction. The material motor is fixed to the front end of the placement base, and its output shaft is connected to the drive screw. The material tray is slidably connected to the placement base and is also connected to the drive screw through a screw nut. The center line of the drive screw and the center line of the transverse screw intersect perpendicularly in the horizontal plane. The equipment also includes a control cabinet, which houses a controller. All solenoid valves of the cylinders, drivers of all motors, and negative pressure generators of each suction cup are electrically connected to the controller via a control circuit. The control cabinet is equipped with a touch screen display. Each cylinder and each lead screw has a stroke sensor at the end of its stroke, and the signal output terminal of the stroke sensor is electrically connected to the controller.

[0011] A method of using the above-mentioned device includes the following steps: S1. Pre-start: The power motor drives two glazing rollers to rotate synchronously, and the lower part of the glazing rollers dips into the glaze liquid in the glaze pool; the resistance sheet conveying mechanism conveys the resistance sheets to be processed one by one to the discharge position for positioning. S2. Synchronous material handling: The resistor sheet picking and feeding mechanism moves to the first station along the transverse guide rail. The first material handling component picks up the resistor sheet to be processed at the discharge position, while the second material handling component picks up the resistor sheet that has been rolled with glaze in the glazing area. S3. Synchronous feeding and glazing: The resistor sheet picking and feeding mechanism moves one station spacing to the right along the transverse guide rail. The first picking component places the adsorbed resistor sheet to be processed into the glazing area. The resistor sheet to be processed rotates synchronously with the two glazing rollers to complete the radial circumferential glazing. At the same time, the second picking component places the adsorbed resistor sheet that has been glazed into the resistor sheet temporary storage platform. S4. Stacking: The resistor sheet stacking and conveying mechanism transfers the resistor sheets from the resistor sheet temporary storage platform to the resistor sheet stacking and placement platform, and stacks them according to the preset matrix. As a preferred step, in step S2, the first material picking component picks up the upper surface of the resistor sheet to be processed through the first vacuum suction cup, and the second material picking component picks up the front surface of the resistor sheet that has been coated with glaze through the second vacuum suction cup. During the adsorption process, neither component contacts the radial circumferential surface of the resistor sheet.

[0012] In step S3, after the resistor sheet to be processed is placed in the glazing area, its rear end face abuts against the barrier to achieve axial positioning. The glazing time for a single resistor sheet is - seconds.

[0013] In step S4, the glaze-coated resistor sheets are left to stand on the resistor sheet storage platform for 1 second to allow the glaze layer to initially solidify before being transferred by the resistor sheet stacking and conveying mechanism. During the transfer, the third suction cup adsorbs the upper surface of the resistor sheet. The movement of the third suction cup in the left and right direction, combined with the movement of the material tray of the resistor sheet stacking platform in the front and back direction, stacks the resistor sheets one by one into a matrix with equal row and column spacing. When starting up for the first time, the first feeding step is performed: the resistor sheet picking and feeding mechanism moves to the left to the first station, the first picking component picks up the resistor sheet to be processed at the discharge position, the resistor sheet picking and feeding mechanism moves to the right by one station spacing, and places the resistor sheet to be processed in the glazing area to complete the first feeding, and then steps S2 to S4 are performed to enter the continuous operation mode.

[0014] Compared with the prior art, this invention features an integrated layout, which automates the entire process of conveying and feeding resistor sheets to palletizing, eliminating the need for manual intermediate transfers, reducing turnaround time, increasing equipment uptime to over 90%, and achieving a single-shift capacity of 2000 sheets / day; the spacing between the dual material handling components matches the workstation spacing, allowing two transfer operations to be completed in a single lateral movement, enabling parallel processes and further improving operational efficiency.

[0015] By using rollers to drive the resistance sheet to rotate and roll the glaze, combined with the axial positioning of the barrier and the fixed positioning accuracy of the material picking component, the glaze thickness deviation can be controlled within ±0.02mm, thus improving the consistency of glazing quality.

[0016] The end face of the resistor sheet is picked up by a vacuum suction cup for transfer, avoiding contact with the glazed radial circumferential surface. Combined with the pre-static step of the temporary storage table, the risk of glaze damage is reduced, and the scrap rate can be reduced to below 0.5%. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the device described in this embodiment; Figure 2 for Figure 1 A schematic diagram of the combination of the mounting platform, the glazing mechanism, the resistor sheet picking and feeding mechanism, and the resistor sheet stacking and conveying mechanism; Figure 3 for Figure 1 One of the schematic diagrams of the combined structure of the mounting platform, the glazing mechanism, and the resistor sheet stacking and conveying mechanism; Figure 4 for Figure 1 Schematic diagram of the combined structure of the mounting platform, the glazing mechanism and the resistance sheet stacking and conveying mechanism (Part 2); Figure 5 of Figure 1A schematic diagram of the combined structure of the mounting platform, the glazing mechanism, and the resistor sheet handling mechanism; Figure 6 for Figure 5 A schematic diagram showing the connection between the first material handling component, the second material handling component, and the feeding beam; Figure 7 for Figure 5 Schematic diagram of the structure of the medium resistance element feeding mechanism; Figure 8 for Figure 1 Schematic diagram of the medium resistance element conveying mechanism; Figure 9 for Figure 1 A schematic diagram of the structure of the medium resistance sheet stacking and conveying mechanism and the resistance sheet stacking and placement platform.

[0018] Explanation of reference numerals in the attached drawings: 100, glazing mechanism; 110, glaze pool; 120, glazing roller; 130, driven pulley; 140, barrier; 200, mounting platform; 210, transverse guide rail; 220, transverse rack; 300, power motor; 310, drive pulley; 400, resistance element feeding mechanism; 410, sliding plate; 420, feeding motor; 430, longitudinal support frame; 440, longitudinal sliding plate; 450, dual-axis drive cylinder; 460, longitudinal motor; 470, feeding beam; 480, first material handling assembly; 481, first swing cylinder; 482, first vacuum suction cup; 483, first dual-axis cylinder; 490, second material handling assembly. Components; 491, Second swing cylinder; 492, Second vacuum suction cup; 493, Second dual-axis cylinder; 500, Resistance sheet conveying mechanism; 510, Support frame; 520, Conveyor motor; 530, Conveyor belt; 540, Material guide fence; 550, Limiting baffle; 600, Resistance sheet stacking conveying mechanism; 610, Stacking beam; 620, Stacking motor; 630, Transverse lead screw; 640, Third suction cup; 650, Transverse sliding plate; 660, Longitudinal cylinder; 700, Resistance sheet stacking and placement platform; 710, Placement base; 720, Material tray; 730, Material motor; 740, Transmission lead screw; 800, Resistance sheet temporary storage platform; 900, Control cabinet. Detailed Implementation

[0019] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0020] The integrated automatic feeding, glazing, and stacking equipment for resistor sheets described in this embodiment is suitable for glazing the radial and circumferential surfaces of cylindrical resistor sheets. For example... Figure 1As shown, the main body of the equipment includes an installation platform 200, a glazing mechanism 100, a power motor 300, a resistor sheet conveying mechanism 500, a resistor sheet picking and feeding mechanism 400, a resistor sheet temporary storage platform 800, a resistor sheet stacking and conveying mechanism 600, and a resistor sheet stacking and placing platform 700. The installation platform 200 is a welded steel structure platform 3, which serves as the installation foundation for each mechanism.

[0021] like Figure 1-5 As shown, the glazing mechanism 100 is located on the upper rear side of the mounting platform 200, including a 304 stainless steel glaze pool 110 with a top opening, which contains glaze specifically for resistors. The glaze level is one-third the diameter of the glazing roller 120, ensuring uniform glaze application when the glazing roller 120 rotates. The two glazing rollers 120 are polyurethane rollers with rubber-coated surfaces, arranged parallel to each other on the upper part of the glaze pool 110. The front and rear shaft ends of the two glazing rollers 120 are rotatably connected to the front and rear side walls of the glaze pool 110 respectively through deep groove ball bearings. The portion of the rear shaft end that protrudes from the rear side wall of the glaze pool 110 is fixed with a driven pulley 130. The power motor 300 is a variable frequency speed control motor, which is fixed to the lower frame of the mounting platform 200 by bolts. Its output shaft is set upward, and the shaft end is fixed with a drive pulley 310. The drive pulley 310 is connected to two driven pulleys 130 through a synchronous belt 320, driving two glazing rollers 120 to rotate synchronously in the same direction. The upper area between the wheel surfaces of the two glazing rollers 120 is the glazing area.

[0022] A 304 stainless steel barrier 140 is provided at the rear center of the glazing area. Both ends of the barrier 140 are bolted to the upper end face of the glaze pool 110 via oblong holes, allowing for position adjustment in the front-to-back direction. The horizontal distance between the front side of the barrier 140 and the center of the glazing area is equal to the radius of the resistor element to be processed, serving as axial positioning when the resistor element is placed in the glazing area. Two parallel transverse guide rails 210 are fixed at the upper end of the mounting platform 200, located in front of the glaze pool 110. The two transverse guide rails 210 extend along the left-right direction of the mounting platform 200, and a transverse rack 220 with its teeth facing upwards is fixed between the two transverse guide rails 210.

[0023] The resistor sheet conveying mechanism 500 is located on the left side of the mounting platform 200 and includes an aluminum profile support frame 510, a conveyor motor 520, a PVC conveyor belt 530, a drive roller 560, and a driven roller 570. The drive roller 560 is rotatably connected to the upper left side of the support frame 510, and the driven roller 570 is rotatably connected to the upper right side of the support frame 510. The conveyor belt 530 is sleeved between the drive roller 560 and the driven roller 570. The conveyor motor 520 is a geared motor, fixed to the left side of the support frame 510, and its output shaft is connected to the shaft end of the drive roller 560 through a coupling, driving the conveyor belt 530 to convey to the right.

[0024] An aluminum alloy guide rail 540 is fixed on the upper side of the conveyor belt 530. The width of the guide rail 540 is 1mm larger than the diameter of the resistor sheet to be processed, so that the resistor sheet is conveyed one by one in a row on the conveyor belt 530 without skewing.

[0025] A PU material limiting baffle 550 is fixed to the right end of the guide fence 540. When the resistor sheet is conveyed to the rightmost side of the guide fence 540, it is blocked by the limiting baffle 550. This position is the discharge position.

[0026] The resistor sheet temporary storage platform 800 is a circular PE material platform, fixed above the mounting platform 200 on the right side of the glaze pool 110 by a stainless steel support rod, and is used to temporarily place resistor sheets that have been coated with glaze. The resistor sheet stacking platform 700 is located on the right side of the mounting platform 200 and is used to stack the processed resistor sheets.

[0027] like Figure 2 , 5 As shown in Figure 7, the resistor sheet feeding mechanism 400 is slidably connected to the transverse guide rail 210 and includes a slide plate 410, a feeding motor 420, a longitudinal support frame 430, a longitudinal sliding plate 440, a dual-axis drive cylinder 450, a longitudinal motor 460, and a feeding beam 470. The lower end of the slide plate 410 is slidably connected to the two transverse guide rails 210 through a high-precision slider. The feeding motor 420 is a stepper motor, fixed to the upper end face of the slide plate 410, with its output shaft passing downward through the slide plate 410. A gear is fixed at the end of the shaft, and the gear meshes with the transverse rack 220. When the feeding motor 420 rotates, it drives the slide plate 410 to move back and forth along the transverse guide rail 210 through gear and rack transmission. The longitudinal support frame 430 is a gantry-type welded steel structure, with its lower end fixed to the upper surface of the slide plate 410 by bolts. A vertically arranged ball screw is rotatably connected to the front side of the longitudinal support frame 430. The lower end of the screw is connected to the lower crossbeam of the longitudinal support frame 430 through an angular contact bearing. The longitudinal motor 460 is a stepper motor, fixed to the upper crossbeam of the longitudinal support frame 430, with its output shaft facing downwards and connected to the upper end of the screw via a first coupling. The rear side of the longitudinal sliding plate 440 is slidably connected to the longitudinal guide rail on the front side of the longitudinal support frame 430 through a slider. The screw nut fixed to the rear side of the longitudinal sliding plate 440 is connected to the screw drive. When the longitudinal motor 460 drives the screw to rotate, it causes the longitudinal sliding plate 440 to move up and down vertically. The dual-axis drive cylinder 450 is fixed to the front side of the longitudinal sliding plate 440, and its piston rod is horizontally set towards the rear side, that is, towards the glaze pool 110. The end of the piston rod is fixed with an aluminum alloy feeding beam 470 that is horizontally set in the left and right direction. The dual-axis drive cylinder 450 can drive the feeding beam 470 to move horizontally back and forth. The first material handling assembly 480 is fixed to the left end of the feeding beam 470 and includes a first swing cylinder 481, a first dual-axis cylinder 483, and a first vacuum suction cup 482. The cylinder body of the first swing cylinder 481 is fixed to the left end of the feeding beam 470, and its swing output end faces to the left. The output end is fixedly connected to the cylinder body of the first dual-axis cylinder 483, which can drive the first dual-axis cylinder 483 to swing within the range of 0-90°. The piston rod of the first dual-axis cylinder 483 is set downward, and the end of the piston rod is fixed with the first vacuum suction cup 482. The first vacuum suction cup 482 is a silicone rubber suction cup with a Shore hardness of 45, with the adsorption surface facing downward, and is used to adsorb the upper surface of the resistor sheet to be processed from above.

[0028] The second material handling assembly 490 is fixed to the right end of the feeding beam 470 and includes a second swing cylinder 491, a second dual-axis cylinder 493, and a second vacuum suction cup 492. The cylinder body of the second swing cylinder 491 is fixed to the right end of the feeding beam 470, and its swing output end faces to the left. The output end is fixedly connected to the cylinder body of the second dual-axis cylinder 493, which can drive the second dual-axis cylinder 493 to swing within the range of 0-90°. The piston rod of the second dual-axis cylinder 493 is set downward, and the end of the piston rod is fixed with the second vacuum suction cup 492. The second vacuum suction cup 492 is a silicone rubber suction cup with a Shore hardness of 45, and the adsorption surface faces the rear side, used to adsorb the front end face of the processed resistor sheet from the front side. The horizontal distance between the material handling center of the first material handling assembly 480 and the material handling center of the second material handling assembly 490 is exactly equal to the horizontal distance between the center of the discharge position and the center of the glazing area, and the horizontal distance between the center of the glazing area and the center of the resistor sheet temporary storage stage 800. like Figure 1-4As shown in Figure 9, the resistor sheet stacking and conveying mechanism 600 is mounted above the resistor sheet temporary storage platform 800 and the resistor sheet stacking placement platform 700. It includes a stacking beam 610, a stacking motor 620, a transverse lead screw 630, a transverse sliding plate 650, a longitudinal cylinder 660, and a third suction cup 640. The stacking beam 610 is an aluminum profile structure, with both ends fixed to the mounting platform 200 by stainless steel columns. The transverse lead screw 630 is a ball screw, which is rotatably connected to the front side of the stacking beam 610 in the left-right direction. The left end of the transverse lead screw 630 is connected to the left end of the stacking beam 610 through an angular contact bearing. The stacking motor 620 is a stepper motor, fixed to the right end of the stacking beam 610, and its output shaft is connected to the right end of the transverse lead screw 630 through a second coupling. The rear side of the transverse slide plate 650 is slidably connected to the guide rail on the front side of the stacking beam 610 via a slider. The screw nut fixed on the rear side of the transverse slide plate 650 is connected to the transverse screw 630 for transmission. When the stacking motor 620 drives the transverse screw 630 to rotate, it drives the transverse slide plate 650 to move back and forth in the left and right directions. The longitudinal cylinder 660 is fixed to the front side of the transverse slide plate 650, with its piston rod facing downward. A third suction cup 640 is fixed to the end of the piston rod. The third suction cup 640 is a silicone rubber suction cup with a Shore hardness of 45, with the adsorption surface facing downward. It is used to adsorb the upper end surface of the resistor sheet on the resistor sheet temporary storage platform 800 from above. The movement range of the third suction cup 640 covers the entire area of ​​the resistor sheet temporary storage platform 800 and the resistor sheet stacking platform 700. The resistor sheet stacking and placement table 700 includes a placement base 710, a material tray 720, a material motor 730, and a transmission screw 740. The placement base 710 is a welded steel structure, with a ball screw (transmission screw 740) extending in the front-rear direction rotatably connected to its upper end. The rear end of the transmission screw 740 is connected to the rear base plate of the placement base 710 via an angular contact bearing. The material motor 730 is a stepper motor, fixed to the front base plate of the placement base 710, and its output shaft is connected to the front end of the transmission screw 740 via a third coupling. The material tray 720 is a rectangular ABS plastic tray, with its lower end slidably connected to the front and rear guide rails at the upper end of the placement base 710 via a slider. A screw nut fixed at the lower end of the material tray 720 is connected to the transmission screw 740. When the material motor 730 drives the transmission screw 740 to rotate, it causes the material tray 720 to reciprocate in the front-rear direction, with a repeatability accuracy ≤ ±0.5mm. The centerline of the transmission screw 740 and the centerline of the transverse screw 630 intersect perpendicularly in the horizontal plane. Through the left and right movement of the third suction cup 640 and the back and forth movement of the material tray 720, the resistors are arranged in a matrix with a row and column spacing of 5mm on the material tray 720 to avoid adjacent resistors from contacting and damaging the glaze.

[0029] The equipment also includes a control cabinet 900, which is fixed to the right side of the mounting platform 200. Inside, there is an S7-200 SMART PLC controller. All solenoid valves of the cylinders, drivers of all motors, and negative pressure generators of each vacuum suction cup are electrically connected to the PLC controller via control circuits. The door panel of the control cabinet 900 has a 7-inch touchscreen display for setting operating parameters and displaying the equipment's operating status. Each cylinder and each lead screw has a PNP proximity switch as a stroke sensor at the end of its stroke. The signal output of the stroke sensor is electrically connected to the PLC controller to provide feedback on the position of each moving part, enabling coordinated action of all mechanisms.

[0030] The method of using the equipment described in this embodiment is as follows: After the equipment is powered on, the operating parameters are set through the touch screen: the rotational linear speed of the glazing roller 120 is 0.25m / s, the glazing time for a single resistor sheet is 4 seconds, the resting time of the resistor sheet temporary storage platform 800 is 10 seconds, and the stacking matrix of the material tray 720 is 8 rows × 8 columns with a row and column spacing of 5mm.

[0031] Pre-start step S1: The power motor 300 drives the two glazing rollers 120 to rotate synchronously. The lower part of the glazing rollers 120 dips into the glaze liquid in the glaze liquid pool 110, and a uniform glaze liquid layer is formed on the surface. The conveyor motor 520 drives the conveyor belt 530 to run. The resistors to be processed are placed one by one into the guide fence 540 and conveyed to the right by the conveyor belt 530 to the discharge position, where they are blocked and positioned by the limit baffle 550. Upon initial startup, the initial loading step is executed first: the resistor sheet picking and feeding mechanism 400 moves left along the transverse guide rail 210 to the first station. The first swing cylinder 481 drives the first dual-axis cylinder 483 to swing to the vertical position. The piston rod of the first dual-axis cylinder 483 extends, and the first vacuum suction cup 482 contacts the upper surface of the resistor sheet to be processed at the discharge position. The negative pressure generator is activated to generate negative pressure to attract the resistor sheet. The piston rod of the first dual-axis cylinder 483 retracts, the longitudinal motor 460 drives the longitudinal sliding plate 440 to rise by 10mm, and the loading motor 420 drives the sliding plate 410 to move right by 400mm, which is one station interval. A material handling component 480 moves to the top of the glazing area, the longitudinal motor 460 drives the longitudinal sliding plate 440 to descend by 10mm, the piston rod of the first dual-axis cylinder 483 extends, the first vacuum suction cup 482 breaks the vacuum, and the resistor sheet to be processed is placed in the glazing area. The rear end face of the resistor sheet abuts against the barrier 140 to complete axial positioning. The piston rod of the first dual-axis cylinder 483 retracts, the dual-axis drive cylinder 450 drives the feeding beam 470 to move forward by 30mm to avoid it, the first swing cylinder 481 resets, and the resistor sheet to be processed rotates synchronously with the two glazing rollers 120. Glazing is completed on the radial circumferential surface after 4 seconds of glazing. After the initial loading is completed, enter continuous operation mode and perform the following steps: S2. Synchronous Material Picking: The dual-axis drive cylinder 450 drives the feeding beam 470 to move backward and reset, the feeding motor 420 drives the slide plate 410 to move 400mm to the left and return to the first working position, the first material picking component 480 moves to the top of the discharge position, and the second material picking component 490 moves to the front side of the glazing area; the first material picking component 480 picks up the resistor sheet to be processed at the discharge position according to the above actions, and at the same time, the second swing cylinder 491 drives the second dual-axis cylinder 493 to swing to the horizontal position, the piston rod of the second dual-axis cylinder 493 extends, the second vacuum suction cup 492 contacts the front end face of the resistor sheet that has been glazed in the glazing area, the negative pressure generator starts to generate negative pressure to pick up the resistor sheet, the piston rod of the second dual-axis cylinder 493 retracts, and the synchronous material picking is completed; during the entire material picking process, both suction cups only contact the end face of the resistor sheet and do not contact the glazed radial circumferential surface. S3. Synchronous feeding and glazing: The feeding motor 420 drives the slide plate 410 to move 400mm to the right, the first picking component 480 moves to above the glazing area, and the second picking component 490 moves to above the resistor sheet storage platform 800; the first picking component 480 places the adsorbed resistor sheet 1 to be processed into the glazing area, and after the resistor sheet is positioned against the barrier 140, glazing begins. At the same time, the piston rod of the second dual-axis cylinder 493 extends, the second vacuum suction cup 492 breaks the vacuum, and places the glazed resistor sheet 1 onto the resistor sheet storage platform 800; the piston rod of the second dual-axis cylinder 493 retracts, the second swing cylinder 491 resets, and the dual-axis drive cylinder 450 drives the feeding beam 470 to move forward to avoid the next picking. S4. Palletizing: The glazed resistor sheet 1 is placed on the resistor sheet storage platform 800 for 10 seconds. After the glaze is initially dry, the palletizing motor 620 drives the horizontal lead screw 630 to rotate, causing the horizontal slide plate 650 to move to the left above the resistor sheet storage platform 800. The piston rod of the vertical cylinder 660 extends, and the third suction cup 640 contacts the upper surface of the resistor sheet. The negative pressure generator is activated to adsorb the resistor sheet. The piston rod of the vertical cylinder 660 retracts, and the palletizing motor 620 drives the horizontal slide plate 650 to move to the right above the preset column position of the material tray 720. The material motor 730 drives the transmission lead screw 740 to rotate, causing the material tray 720 to move back and forth to the preset row position. The piston rod of the vertical cylinder 660 extends, and the third suction cup 640 breaks the vacuum, placing the resistor sheet 1 into the corresponding position of the material tray 720. The above actions are repeated to stack the resistor sheets 1 one by one into an 8-row × 8-column matrix until the material tray 720 is full. Then, the operator replaces the material tray with an empty one. During continuous operation, the resistor sheet feeding mechanism 400 can simultaneously complete one loading of the resistor sheet to be processed and one transfer of the processed resistor sheet for each reciprocating movement. The processes run in parallel without waiting, resulting in high operating efficiency. The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An integrated automatic feeding, glazing, and palletizing equipment for resistor sheets, characterized in that, It includes an installation platform (200), a glazing mechanism (100), a power motor (300), a resistor sheet conveying mechanism (500), a resistor sheet picking and feeding mechanism (400), a resistor sheet temporary storage platform (800), a resistor sheet stacking and conveying mechanism (600), and a resistor sheet stacking and placing platform (700). The glazing mechanism (100) is located on the upper rear side of the mounting platform (200), including a glaze pool (110) and two parallel glazing rollers (120). The two glazing rollers (120) are rotatably connected to the upper part of the glaze pool (110). The upper area between the wheel surfaces of the two glazing rollers (120) is the glazing area. The power motor (300) is used to drive the two glazing rollers (120) to rotate synchronously. The resistor sheet conveying mechanism (500) is located on the left side of the mounting platform (200) and is used to convey resistor sheets one by one to the discharge position. The resistor sheet temporary storage platform (800) is located above the mounting platform (200) on the right side of the glaze pool (110). The resistor sheet stacking and placement platform (700) is located on the right side of the mounting platform (200). The resistor sheet picking and feeding mechanism (400) is slidably connected to the transverse guide rail (210) on the upper part of the mounting platform (200). It can move back and forth between the discharge position, the glazing area, and the resistor sheet temporary storage platform (800) along the transverse guide rail (210). The resistor sheet picking and feeding mechanism (400) is provided with a first picking component (480) and a second picking component (490) with a fixed spacing. The center distance between the first picking component (480) and the second picking component (490) is equal to the center horizontal distance between the discharge position and the glazing area, and also equal to the center horizontal distance between the glazing area and the resistor sheet temporary storage platform (800). The resistor sheet stacking and conveying mechanism (600) is mounted above the resistor sheet temporary storage platform (800) and the resistor sheet stacking and placement platform (700) to transfer the resistor sheets on the resistor sheet temporary storage platform (800) to the resistor sheet stacking and placement platform (700) for stacking.

2. The integrated automatic feeding, glazing, and palletizing equipment for resistor sheets according to claim 1, characterized in that, A barrier (140) is provided on the rear side of the center of the glazing area. The front side of the barrier (140) abuts against the rear end face of the resistor sheet for axial positioning of the resistor sheet.

3. The integrated automatic feeding, glazing, and palletizing equipment for resistor sheets according to claim 1, characterized in that, The resistor sheet conveying mechanism (500) includes a support frame (510), a conveyor motor (520), a conveyor belt (530), a drive roller (560), and a driven roller (570). The drive roller (560) is rotatably connected to the upper left side of the support frame (510), and the driven roller (570) is rotatably connected to the upper right side of the support frame (510). The conveyor belt (530) is sleeved between the drive roller (560) and the driven roller (570). The output shaft of the conveyor motor (520) is connected to the drive roller. A guide fence (540) is provided on the upper side of the conveyor belt (530). A limit baffle (550) is fixed at the right end of the guide fence (540). The discharge position is the position of the resistor sheet blocked by the limit baffle (550) on the rightmost side of the guide fence (540).

4. The integrated automatic feeding, glazing, and palletizing equipment for resistor sheets according to claim 1, characterized in that, The resistor sheet feeding mechanism (400) includes a slide plate (410), a feeding motor (420), a longitudinal support frame (430), a longitudinal sliding plate (440), a dual-axis drive cylinder (450), a longitudinal motor (460), and a feeding crossbeam (470). The slide plate (410) is slidably connected to the transverse guide rail (210). The feeding motor (420) is fixed on the slide plate (410), and the gear at the output shaft end of the motor meshes with the transverse rack (220) between the transverse guide rail (210), driving the slide plate (410) to move along the transverse guide rail (210). The longitudinal support frame (430) is fixed to the upper end of the slide plate (410), and a vertical support is rotatably connected to the longitudinal support frame (430). A lead screw (411) is set vertically, and a longitudinal motor (460) is fixed to the upper end of a longitudinal support frame (430). Its output shaft is connected to the lead screw (411) for transmission. The longitudinal sliding plate (440) is slidably connected to the longitudinal support frame (430) and is connected to the lead screw (411) for transmission through a lead screw nut. The dual-axis drive cylinder (450) is fixed on the longitudinal sliding plate (440), and its piston rod is set horizontally toward the glaze pool (110). The feeding beam (470) is fixed to the piston rod end of the dual-axis drive cylinder (450). The first material taking component (480) is fixed to the left end of the feeding beam (470), and the second material taking component (490) is fixed to the right end of the feeding beam (470).

5. The integrated automatic feeding, glazing, and palletizing equipment for resistor sheets according to claim 4, characterized in that, The first material handling assembly (480) includes a first swing cylinder (481), a first dual-axis cylinder (483), and a first vacuum suction cup (482). The cylinder body of the first swing cylinder (481) is fixed to the left end of the feeding beam (470), and its swing output end is fixedly connected to the cylinder body of the first dual-axis cylinder (483). The piston rod of the first dual-axis cylinder (483) is set downwards, and the first vacuum suction cup (482) is fixed to the piston rod end of the first dual-axis cylinder (483), with the adsorption surface facing downwards.

6. The integrated automatic feeding, glazing, and palletizing equipment for resistor sheets according to claim 4, characterized in that, The second material handling assembly (490) includes a second swing cylinder (491), a second dual-axis cylinder (493), and a second vacuum suction cup (492). The cylinder body of the second swing cylinder (491) is fixed to the right end of the feeding beam (470), and its swing output end is fixedly connected to the cylinder body of the second dual-axis cylinder (493). The piston rod of the second dual-axis cylinder (493) is set downwards, and the second vacuum suction cup (492) is fixed to the piston rod end of the second dual-axis cylinder (493), with the adsorption surface facing the rear side.

7. The integrated automatic feeding, glazing, and palletizing equipment for resistor sheets according to claim 1, characterized in that, The resistor sheet stacking and conveying mechanism (600) includes a stacking beam (610), a stacking motor (620), a transverse lead screw (630), a transverse sliding plate (650), a longitudinal cylinder (660), and a third suction cup (640). The stacking beam (610) is mounted above the resistor sheet temporary storage platform (800) and the resistor sheet stacking placement platform (700). The transverse lead screw (630) is rotatably connected to the front side of the stacking beam (610) in the left-right direction. The machine (620) is fixed to the right end of the stacking beam (610), and its output shaft is connected to the transverse lead screw (630). The transverse slide plate (650) is slidably connected to the stacking beam (610) and is connected to the transverse lead screw (630) through the lead screw nut. The longitudinal cylinder (660) is fixed on the transverse slide plate (650), and its piston rod is set downward. The third suction cup (640) is fixed to the piston rod end of the longitudinal cylinder (660), and the suction surface is downward.

8. The integrated automatic feeding, rolling, and palletizing equipment for resistor sheets according to claim 7, characterized in that, The resistor chip stacking and placement table (700) includes a placement base (710), a material tray (720), a material motor (730), and a transmission screw (740). The transmission screw (740) is rotatably connected to the upper end of the placement base (710) in the front-back direction. The material motor (730) is fixed to the front end of the placement base (710), and its output shaft is connected to the transmission screw (740). The material tray (720) is slidably connected to the placement base (710) and is connected to the transmission screw (740) through a screw nut. The center line of the transmission screw (740) and the center line of the transverse screw (630) intersect perpendicularly in the horizontal plane.

9. The integrated automatic feeding, glazing, and palletizing equipment for resistor sheets according to any one of claims 1 to 8, characterized in that, It also includes a control cabinet (900), which is equipped with a controller. All the solenoid valves of the cylinders, the drivers of all the motors, and the negative pressure generators of each suction cup are electrically connected to the controller through the control circuit. The control cabinet (900) is equipped with a touch screen (901). Each cylinder and each lead screw is equipped with a stroke sensor at the end of its stroke. The signal output terminal of the stroke sensor is electrically connected to the controller.

10. A method of using an integrated automatic feeding, glazing, and palletizing equipment for resistor sheets, characterized in that... The automatic feeding, glazing, and palletizing integrated equipment for resistive sheets as described in any one of claims 1-10 includes the following steps: S1. Pre-start: The power motor (300) drives the two glazing rollers (120) to rotate synchronously. The lower part of the glazing rollers (120) dips into the glaze in the glaze pool (110); the resistor sheet conveying mechanism (500) conveys the resistor sheets to be processed one by one to the discharge position for positioning. S2, Synchronous material handling: The resistor sheet handling mechanism (400) moves to the first station along the transverse guide rail (210), the first material handling component (480) adsorbs the resistor sheet to be processed at the discharge position, and at the same time the second material handling component (490) adsorbs the resistor sheet that has been rolled in the glazing area. S3. Synchronous feeding and glazing: The resistor sheet picking and feeding mechanism (400) moves one station spacing to the right along the transverse guide rail (210). The first picking component (480) places the adsorbed resistor sheet to be processed into the glazing area. The resistor sheet to be processed rotates synchronously with the two glazing rollers (120) to complete the radial circumferential glazing. At the same time, the second picking component (490) places the adsorbed glazed resistor sheet into the resistor sheet temporary storage platform (800). S4. Palletizing: The resistor sheet palletizing and conveying mechanism (600) transfers the resistor sheets on the resistor sheet temporary storage platform (800) to the resistor sheet palletizing and placement platform (700) and places them according to the preset matrix. In step S2, the first material picking component (480) picks up the upper end face of the resistor sheet to be processed through the first vacuum suction cup (482), and the second material picking component (490) picks up the front end face of the resistor sheet that has been coated with glaze through the second vacuum suction cup (492). The pick-up process does not contact the radial circumferential surface of the resistor sheet. In step S3, after the resistor sheet to be processed is placed in the glazing area, the rear end face abuts against the barrier (140) to achieve axial positioning. The glazing time for a single resistor sheet is 3-5 seconds. In step S4, the glaze-coated resistor sheets are left to stand on the resistor sheet storage platform (800) for 8-12 seconds to allow the glaze layer to initially solidify, and then transferred by the resistor sheet stacking and conveying mechanism (600). During the transfer, the third suction cup (640) adsorbs the upper surface of the resistor sheet. The movement of the third suction cup (640) in the left and right directions, combined with the movement of the material tray (720) of the resistor sheet stacking platform (700) in the front and back directions, stacks the resistor sheets one by one into a matrix with equal row and column spacing. When starting up for the first time, the first feeding step is performed: the resistor sheet picking and feeding mechanism (400) moves to the left to the first station, the first picking component (480) absorbs the resistor sheet to be processed at the discharge position, the resistor sheet picking and feeding mechanism (400) moves to the right by one station spacing, and places the resistor sheet to be processed in the glazing area to complete the first feeding, and then steps S2 to S4 are performed to enter the continuous operation mode.

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