Automatic feeding equipment for grinding machine

Abstract

The application discloses a kind of grinding machine automatic feeding equipment, comprising: bottom support, with horizontally arranged slide rail;Lifting arm, movably arranged on slide rail;Translation drive mechanism, for driving lifting arm reciprocatingly moves between initial position and termination position along slide rail;Pallet, provided with trough, the trough has front and rear through feeding port and discharge port, and the pallet is liftably arranged on the lifting arm;Lifting mechanism, for driving the pallet to lift relative to the lifting arm, so that the trough moves between the lowest position and the highest position;Pushing mechanism;When lifting arm is located in initial position, the trough is located in the lowest position, the trough reaches feeding station;When lifting arm is located in termination position, the trough is located in the highest position, the trough reaches discharge station, the discharge port of the trough is aligned with the grinding machine work area, and the feeding port of the trough is aligned with the pushing mechanism.The application can replace manual material placement, effectively improve the continuity of feeding, and improve production efficiency.

Description

Technical Field

[0001] This invention relates to the field of mechanical equipment technology, and in particular to an automatic feeding device for grinding machines. Background Technology

[0002] The straight-through automatic grinding machine used in magnetic material production requires manual material stacking. The grinding machine itself lacks material conveying power, and manual cleaning is necessary after all material has been loaded. Existing automatic feeding technologies / equipment generally fall into two categories: multi-layer lifting and pushing feeding, and assembly line progressive pushing feeding. Lifting feeding suffers from long material turnover and placement times, during which the equipment is stopped and waiting for material, requiring timely cleaning. Assembly line feeding suffers from low material storage capacity, requiring frequent refilling. This invention addresses the working characteristics of grinding machines and the shortcomings of existing feeding methods by developing specialized equipment. Summary of the Invention

[0003] One object of the present invention is to solve at least the above-mentioned problems and / or defects, and to provide at least the advantages described below.

[0004] One object of the present invention is to provide an automatic feeding device for a grinding machine, which is disposed on one side of the working area of ​​the grinding machine, the automatic feeding device for the grinding machine comprising:

[0005] The bottom support has a horizontally set slide rail;

[0006] A lifting arm, which is movably mounted on the slide rail;

[0007] A translation drive mechanism, connected to the lifting arm, is used to drive the lifting arm to reciprocate along the slide rail between an initial position and a final position;

[0008] A pallet is provided with a material trough, the material trough having a feed port and a discharge port that are connected from front to back, and the pallet is vertically mounted on the lifting arm;

[0009] A lifting mechanism, connected to the pallet, is used to drive the pallet to rise and fall relative to the lifting arm, causing the trough to move between a lowest position and a highest position;

[0010] Material feeding mechanism;

[0011] When the lifting arm is in the initial position, the material trough is in the lowest position, and the material trough reaches the loading station; when the lifting arm is in the termination position, the material trough is in the highest position, and the material trough reaches the unloading station, the unloading port of the material trough is aligned with the working area of ​​the grinding machine, and the loading port of the material trough is aligned with the pushing mechanism.

[0012] Preferably, in the automatic feeding device for the grinding machine, the pallet includes multiple layers of material trays, each layer of material trays having a material trough. The translation drive mechanism is used to drive the lifting arm to move along the slide rail from the initial position to the end position, and the lifting mechanism is used to drive the pallet to rise relative to the lifting arm, so that each material trough in the multiple layers of material troughs sequentially reaches its corresponding highest position from its lowest position, thereby allowing each material trough to reach the unloading station sequentially.

[0013] Preferably, the automatic feeding device for the grinding machine includes a feeding slide, and when the material trough reaches the feeding station, the feeding slide is aligned with the feeding port of the material trough.

[0014] Preferably, the automatic feeding device for the grinding machine includes a pair of lifting arms, a pair of translation drive mechanisms, a pair of pallets, and a pair of lifting mechanisms. The pair of lifting arms are respectively arranged on the left and right sides of the pushing mechanism. When each lifting arm is in the initial position on the left or the initial position on the right, the corresponding material trough is in the lowest position and the corresponding material trough reaches the left or right feeding station. When the material trough of the left or right pallet reaches the unloading station, the material trough of the right or left pallet reaches the right feeding station or the left feeding station.

[0015] Preferably, in the automatic feeding equipment for the grinding machine, the pushing mechanism includes a pushing motor. When the material trough reaches the unloading position, the drive rod of the pushing mechanism extends from the loading port of the material trough into the interior of the material trough.

[0016] Preferably, in the automatic feeding equipment for grinding machines, the pushing mechanism further includes:

[0017] A position detection sensor is installed inside the hopper to detect the pushing position of the material in real time;

[0018] The motion control module is connected to the pusher motor and the position detection sensor. It is used to adjust the pusher motor's push stroke according to the push position of the material fed back by the position detection sensor. After completing a single push, it controls the pusher motor to reset to the initial push position. The push position of the material when the pusher motor completes the push is when the material has completely reached the working area of ​​the grinding machine.

[0019] The motion control module is used to perform segmented control of the feeding speed of the feeding motor. The specific process includes:

[0020] During the initial feeding phase, the material is fed at a constant speed of 0.2 m / s until the front end of the material is 50 mm away from the working area of ​​the grinding machine.

[0021] During the high-speed propulsion phase, the speed is accelerated to a maximum of 0.8 m / s and maintained until the front end of the material is 10 mm away from the working area of ​​the grinding machine;

[0022] During the deceleration and positioning phase, the feeding speed is reduced to 0.1 m / s until the material completely reaches the working area of ​​the grinding machine.

[0023] Preferably, in the automatic feeding device for the grinding machine, the position detection sensor includes a laser displacement sensor, which is installed at the feeding port of the material trough. The laser displacement sensor is used to determine the distance between the front end of the material and the target position of the grinding machine working area by detecting the distance between the rear end of the material and the feeding port. When the distance between the rear end of the material and the feeding port is equal to the length of the material trough, the material is pushed to the position where the material has completely reached the grinding machine working area.

[0024] Preferably, in the automatic feeding device for the grinding machine, the pushing mechanism further includes a pressure sensor, which is installed at the discharge port of the material trough. The pressure sensor continuously generates a material detection signal when it detects material, until it stops generating the material detection signal when no more material is detected. When the pressure sensor stops generating the material detection signal, it is determined that the rear end of the material has left the material trough, and the pushing position of the material is when the material has completely reached the working area of ​​the grinding machine. The motion control module is connected to the pressure sensor signal and is used to control the pushing motor to reset to the initial pushing position according to the pushing position of the material fed back by the pressure sensor and the laser displacement sensor.

[0025] Preferably, the automatic feeding equipment for the grinding machine further includes an alignment detection device for detecting the alignment status between the pushing mechanism and the feeding port of the material trough. The alignment detection device includes:

[0026] A pair of laser alignment sensors are symmetrically arranged on two opposing side walls near the feed inlet of the trough. They monitor the distance between the drive rod of the pushing mechanism and its respective side wall in real time and calculate the distance difference between the drive rod and the two side walls based on the distance between the drive rod and each side wall.

[0027] The feedback control unit is connected to the translation drive mechanism and the lifting mechanism. When the deviation exceeds 0.1mm, it controls the translation drive mechanism and the lifting mechanism to adjust the position of the pallet until the alignment error is ≤ ±0.05mm.

[0028] Preferably, in the automatic feeding device for the grinding machine, the pushing mechanism further includes a material counting module, which is connected to the motion control module of the pushing mechanism. The material counting module is used to record the number of times the motion control module completes the pushing action. When the number of pushing actions reaches a preset value, a pallet feeding signal is generated. The lifting mechanism is used to drive the pallet to descend relative to the lifting arm, causing the material trough to move from the highest position to the lowest position. The translation drive mechanism is used to drive the lifting arm to move along the slide rail from the end position to the initial position, causing the material trough to return to the feeding station. The preset value is equal to the number of material troughs in the pallet.

[0029] The present invention has at least the following beneficial effects:

[0030] To achieve these objectives and other advantages according to the present invention, an automatic feeding device for a grinding machine is provided, disposed on one side of the working area of ​​the grinding machine. The automatic feeding device includes: a bottom support having a horizontally arranged slide rail; a lifting arm movably disposed on the slide rail; a translation drive mechanism connected to the lifting arm for driving the lifting arm to reciprocate along the slide rail between an initial position and an end position; a pallet having a material trough having a through-hole for loading and unloading, the pallet being vertically and vertically disposed on the lifting arm; a lifting mechanism connected to the pallet for driving the pallet to rise and fall relative to the lifting arm, causing the material trough to move between a lowest position and a highest position; and a pushing mechanism; wherein, when the lifting arm is at the initial position and the material trough is at the lowest position, the material trough reaches the loading station; when the lifting arm is at the end position and the material trough is at the highest position, the material trough reaches the unloading station, the unloading port of the material trough is aligned with the working area of ​​the grinding machine, and the loading port of the material trough is aligned with the pushing mechanism. This invention can replace manual placement of materials, reducing labor intensity, saving labor costs, effectively improving the continuity of material feeding, and increasing production efficiency.

[0031] Other advantages, objectives and features of the present invention will become apparent in part from the following description, and in part from those skilled in the art through study and practice of the invention. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the automatic feeding device for grinding machines provided by the present invention. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings, so that those skilled in the art can implement it based on the description.

[0034] like Figure 1As shown, the present invention provides an automatic feeding device for a grinding machine, which is disposed on one side of the working area of ​​the grinding machine. The automatic feeding device includes: a bottom support 6 having a horizontally arranged slide rail 7; a lifting arm 4 movably disposed on the slide rail 7; a translation drive mechanism 1 connected to the lifting arm 4 for driving the lifting arm 4 to reciprocate along the slide rail 7 between an initial position and an end position; a pallet 3 having a material trough 11, the material trough 11 having a through-hole loading port 12 and a discharge port, the pallet 3 being vertically and vertically disposed on the lifting arm 4; and a lifting mechanism 1 for driving the lifting arm 4 to reciprocate along the slide rail 7 between an initial position and an end position. Mechanism 2, connected to the pallet 3, is used to drive the pallet 3 to rise and fall relative to the lifting arm 4, causing the material trough 11 to move between the lowest and highest positions; pushing mechanism 9; wherein, when the lifting arm 4 is in the initial position, the material trough 11 is in the lowest position, and the material trough 11 reaches the loading station; when the lifting arm 4 is in the termination position, the material trough 11 is in the highest position, and the material trough 11 reaches the unloading station, the unloading port of the material trough 11 is aligned with the working area of ​​the grinding machine, and the loading port 12 of the material trough 11 is aligned with the pushing mechanism 9.

[0035] The working process of the automatic feeding device for the grinding machine in this embodiment is as follows:

[0036] Initial positioning stage: The translation drive mechanism 1 drives the lifting arm 4 to move along the slide rail 7 to the initial position, and the lifting mechanism 2 lowers the pallet 3 to the lowest position. At this time, the trough 11 is aligned with the external feeding device, forming a feeding station. Material loading stage: The external conveying equipment feeds the material to be processed into the trough 11. The material is neatly arranged along the front and rear through channels of the trough 11. After loading, the trough 11 is in a fully loaded state ready for conveying. Material conveying stage: The translation drive mechanism 1 is activated, driving the lifting arm 4 to move along the slide rail 7 from the initial position to the end position. The lifting mechanism 2 is activated, raising the pallet 3 from the lowest position to the highest position. When the lifting arm 4 reaches the end position and the trough 11 rises to the highest position, the discharge port of the trough 11 is precisely aligned with the working area of ​​the grinding machine, and the loading port 12 of the trough 11 is accurately aligned with the pushing mechanism 9. This position constitutes the unloading station. Material feeding stage: The pushing mechanism 9 extends from the loading port 12 of the trough 11, pushing the material arranged in the trough 11 towards the grinding machine working area. The material then enters the grinding machine processing area through the unloading port of the trough 11. Reset preparation stage: The pushing mechanism 9 returns to its initial position, the lifting mechanism 2 lowers the pallet 3 and trough 11 from the highest position to the lowest position, and the translation drive mechanism 1 moves the lifting arm 4 from the termination position back to the initial position. The equipment returns to its initial state, ready for the next work cycle. This equipment achieves precise material conveying from the loading station to the processing station through the coordinated horizontal movement of the lifting arm 4 and the vertical lifting of the pallet 3. The bidirectional through-flow design of the trough 11 ensures smooth material feeding, and the precise alignment of the pushing mechanism 9 with the trough 11 ensures the reliability of the pushing action. The coordinated movement of each actuator forms a complete work cycle. This process realizes automated continuous feeding for grinding machine processing, significantly improving production efficiency and processing accuracy.

[0037] In a preferred embodiment, in the automatic grinding machine feeding device, the pallet 3 includes multiple material trays, each material tray having a material trough 11. The translation drive mechanism 1 is used to drive the lifting arm 4 to move along the slide rail 7 from the initial position to the end position. The lifting mechanism 2 is used to drive the pallet 3 to rise relative to the lifting arm 4, so that each material trough 11 in the multiple material troughs 11 sequentially reaches its corresponding highest position from its lowest position, thereby allowing each material trough 11 to sequentially reach the unloading station.

[0038] The working process of the automatic feeding device for the grinding machine in this embodiment is as follows:

[0039] Initial positioning stage: The translation drive mechanism 1 drives the lifting arm 4 to move along the slide rail 7 to the initial position. The lifting mechanism 2 lowers the multi-layer pallet 3 to the lowest position, aligning the uppermost material trough 11 with the loading station. The external conveying device loads the material into the uppermost material trough 11. Then, the lifting mechanism 2 raises the multi-layer pallet 3 layer by layer, completing the loading of each material trough 11. Material conveying stage: The translation drive mechanism 1 drives the lifting arm 4 to move along the slide rail 7 to the termination position. The lifting mechanism 2 keeps the pallet 3 in the same position. When the lifting arm 4 reaches the termination position, the discharge port of the lowermost material trough 11 is aligned with the grinding machine working area, and the loading port 12 of the lowermost material trough 11 is aligned with the pushing mechanism 9. Material pushing stage: The pushing mechanism 9 extends into the loading port 12 of the lowermost material trough 11 and pushes the material to the grinding machine working area. After pushing is completed, it returns to the initial pushing position. Multi-layer material trough 11 switching stage: The lifting mechanism 2 drives the pallet 3 to rise one material trough 11 interval, so that the second layer material trough 11 rises from the second lowest position to the highest position (unloading station). The translation drive mechanism 1 keeps the lifting arm 4 in the end position, and the pushing mechanism 9 pushes the material in the second layer material trough 11. This process is repeated until the material is pushed into all layers of material trough 11. System reset stage: After the material in the uppermost material trough 11 is pushed into place, the lifting mechanism 2 lowers the pallet 3 to the lowest position, and the translation drive mechanism 1 moves the lifting arm 4 back to the initial position to prepare for the next round of feeding cycle. This equipment realizes the conversion of material trough 11 between the "feeding-unloading" station through the horizontal translation of the lifting arm 4, and realizes the sequential positioning of multi-layer material trough 11 through the vertical lifting and lowering of the pallet 3. Each material trough 11 independently completes the receiving of material at the lowest position (feeding station) and the delivery of material at the highest position (unloading station). The pushing mechanism 9 keeps a fixed position and realizes docking through the movement of the material trough 11. The multi-layer material trough 11 design significantly increases the single feeding capacity. The horizontal and vertical composite motion achieves efficient space utilization. The sequential operation of each layer of material trough 11 ensures continuous production. The mechanical structure is simple and reliable, and maintenance is convenient.

[0040] In a preferred embodiment, the automatic grinding machine feeding device includes a feeding slide 8, which aligns with the feeding port 12 of the material trough 11 when the material trough 11 reaches the feeding station.

[0041] In a preferred embodiment, the automatic grinding machine feeding device includes a pair of lifting arms 4, a pair of translation drive mechanisms 1, a pair of pallets 3, and a pair of lifting mechanisms 2. The pair of lifting arms 4 are respectively arranged on the left and right sides of the pushing mechanism 9. When each lifting arm 4 is in the initial position on the left or the initial position on the right, the corresponding material trough 11 is in the lowest position and the corresponding material trough 11 reaches the left or right feeding station. When the material trough 11 of the left or right pallet 3 reaches the unloading station, the material trough 11 of the right or left pallet 3 reaches the right feeding station or the left feeding station.

[0042] The equipment has an electrical control box 10, which is located between a pair of lifting arms 4, and each lifting arm 4 also has a lifting counterweight 5.

[0043] In this embodiment, the automatic feeding device for the grinding machine operates as follows: Production materials are placed into the material trays as required and then stacked. The material is pushed onto the lifting arm 4 by the feeding slide 8. Then, the lifting servo (i.e., the lifting mechanism 2) and the translation servo (i.e., the translation drive mechanism 1) jointly drive the tray material trough 11 to align with the feeding port 12. The pushing servo (i.e., the pushing motor) pushes the material in the trough 11 to the grinding machine's working area and then quickly retracts. After moving to the next material trough 11, the pushing servo repeats the action. When the left pallet 3 is fully loaded, the pallet 3 returns to its initial position. The right pallet 3 then begins to repeat the feeding action. The alternating operation of the left and right dual workstations allows the automatic feeding mechanism to supply material continuously, eliminating the downtime required for material changes. This improves production efficiency and ensures a high production yield, greatly enhancing the automation level of production and positively impacting the company's cost reduction and efficiency improvement efforts.

[0044] The motion components of this equipment are driven and controlled by a five-axis servo motor, achieving optimization of both precision and speed. The material hopper uses alternating lifting at two stations on the left and right sides to ensure uninterrupted material supply. The feed pusher can precisely control the pushing position and quickly replenish material after the entire row of materials is pushed. The loading method uses a trolley-type system for replacing the entire pallet in three stages, making it more convenient and easier to operate.

[0045] In a preferred embodiment, in the automatic feeding device for the grinding machine, the pushing mechanism 9 includes a pushing motor. When the material trough 11 reaches the unloading position, the drive rod of the pushing mechanism 9 extends from the loading port 12 of the material trough 11 into the interior of the material trough 11.

[0046] In a preferred embodiment, the automatic feeding device for the grinding machine further includes: a position detection sensor, disposed in the material trough 11, for real-time detection of the material's pushing position; a motion control module, connected to the pushing motor and the position detection sensor, for adjusting the pushing stroke of the pushing motor according to the material's pushing position fed back by the position detection sensor, and controlling the pushing motor to reset to the initial pushing position after completing a single pushing operation, wherein the pushing position of the material when the pushing motor completes pushing is when the material has completely reached the working area of ​​the grinding machine; the motion control module is used to perform segmented control of the pushing speed of the pushing motor, specifically including: a pushing start-up stage with an initial pushing speed of 0.2 m / s, continuing until the front end of the material is 50 mm away from the working area of ​​the grinding machine; a high-speed pushing stage accelerating to a maximum speed of 0.8 m / s, continuing until the front end of the material is 10 mm away from the working area of ​​the grinding machine; and a deceleration and positioning stage reducing the pushing speed to 0.1 m / s until the material has completely reached the working area of ​​the grinding machine.

[0047] The working process of the automatic feeding device for the grinding machine in this embodiment is as follows:

[0048] System initialization phase: The left and right lifting arms 4 move to their initial positions, the pallets 3 on both sides descend to their lowest positions, the pushing mechanism 9 resets to the standby position, and all sensors complete self-checks. Left loading station loading phase: The left material trough 11 is precisely aligned with the left loading slide 8. The external conveying device feeds the material through the loading slide 8 into the lowest left material trough 11. The position detection sensor inside the trough 11 confirms that the material loading is complete. Left material conveying phase: The left translation drive mechanism 1 starts, driving the left lifting arm 4 to move along the slide rail 7 to the termination position. Simultaneously, the left lifting mechanism 2 lifts the pallet 3, bringing the current material trough 11 to its highest position (unloading station). The discharge port of the material trough 11 is precisely aligned with the grinding machine working area (error ≤ ±0.05mm), and the loading port 12 of the material trough 11 is accurately aligned with the pushing mechanism 9. Precision pushing phase: The pushing mechanism 9 performs a three-stage pushing action. a) Start-up phase: Advance at a constant speed of 0.2 m / s for 50 mm (eliminating initial gap); b) High-speed phase: Accelerate to 0.8 m / s and advance rapidly to 10 mm from the target; c) Precision positioning phase: Decrease speed to 0.1 m / s, and complete the final 10 mm precise positioning with the help of the laser sensor. The pressure sensor confirms that the material has completely entered the grinding machine working area. Multi-layer material trough 11 processing phase: The left lifting mechanism 2 raises the pallet 3 by one material trough 11 spacing, and the pushing mechanism 9 pushes the material of the upper layer of material trough 11. This process is repeated until all material in all material trough 11 of the left pallet 3 has been pushed. Right-side station synchronous working phase: When the left side performs pushing, the right side simultaneously loads the material into the right material trough 11 using the loading slide 8, and the translation drive mechanism 1 is ready. After the left side is completed, switch to the right side immediately, with a switching time of <3 seconds. The dual-station design achieves truly uninterrupted material supply, five-axis servo collaborative control ensures positioning accuracy of ±0.01 mm, and intelligent speed planning shortens the single-piece loading cycle to 4.5 seconds.

[0049] In a preferred embodiment, the automatic feeding device for the grinding machine includes a laser displacement sensor, which is installed at the feeding port 12 of the material trough 11. The laser displacement sensor is used to determine the distance between the front end of the material and the target position of the grinding machine working area by detecting the distance between the rear end of the material and the feeding port 12. When the distance between the rear end of the material and the feeding port 12 is equal to the length of the material trough 11, the material is pushed to the position where the material has completely reached the grinding machine working area.

[0050] The working process of the automatic feeding device for the grinding machine in this embodiment is as follows:

[0051] Dual-station initialization stage: The left and right lifting arms 4 are reset to their initial positions (left / right loading station), the two pallets 3 are lowered to their initial positions, the pushing mechanism 9 retracts to its initial pushing position, and the laser displacement sensor completes zero-point calibration. Intelligent loading stage: The left loading slide 8 conveys the material to the lowest trough 11. The laser displacement sensor scans the material arrangement status in real time: a) detects the real-time distance L1 between the rear end of the material and the loading port 12; b) calculates the position of the front end of the material: L0 (total length of trough 11) - L1. Precise positioning and conveying stage: The left translation drive mechanism 1 is activated, driving the lifting arm 4 to move to the termination position, the lifting mechanism 2 is activated, and the current trough 11 is raised to the unloading station. Positioning system confirmation: a) The unloading port of trough 11 is aligned with the working area of ​​the grinding machine (error < 0.05 mm); b) The loading port 12 of trough 11 coincides with the center line of the pushing mechanism 9. Closed-loop control of the material pushing stage: Stage 1 (0-50mm): Propelling at a uniform speed of 0.2m / s, with the laser sensor continuously feeding back the L1 value. When the material front end is detected to be 50mm away from the grinding machine working area, the next stage begins; Stage 2 (50mm-10mm): Accelerating to 0.8m / s and adjusting the pushing trajectory; Stage 3 (10mm-0mm): Decreasing to 0.1m / s. When L1 = L0, the rear end of the material completely leaves the material trough 11 and reaches the grinding machine working area. Multi-layer material trough 11 cyclic operation: After the current layer of material is pushed, the lifting mechanism 2 rises one material trough 11 interval, repeating the pushing process until all layers of material trough 11 are completed. Seamless switching between dual stations: When the left side is pushing the last layer, the right side has completed material loading. The right side translation drive mechanism 1 enters the ready-to-trigger state. The left side pushing mechanism 9 retracts instantly, and the right side immediately starts the conveying process. This working process achieves closed-loop control of the material pushing process through the precise distance measurement and real-time feedback of the laser displacement sensor, improving the positioning accuracy and reliability of the equipment.

[0052] In a preferred embodiment, the automatic feeding device for the grinding machine further includes a pressure sensor in the feeding port of the material trough 11. The pressure sensor continuously generates a material detection signal when it detects material until it stops generating the material detection signal when no more material is detected. When the pressure sensor stops generating the material detection signal, it is determined that the rear end of the material leaves the material trough 11 and the material is pushed to the working area of ​​the grinding machine. The motion control module is connected to the pressure sensor signal and is used to control the pushing motor to reset to the initial pushing position based on the pushing position of the material fed back by the pressure sensor and the laser displacement sensor.

[0053] Intelligent feeding stage: The left-side feeding slide 8 conveys the material to the lowest material trough 11. Laser displacement and pressure sensors scan the material arrangement in real time. Precise positioning and conveying stage: When the pusher motor pushes the material, the front end of the material reaches the position of the pressure sensor, which generates a material detection signal. As the pusher motor continues to push the material, the material continuously applies pressure to the pressure sensor, which continues to generate material detection signals until the rear end of the material leaves the trough 11, and the material completely reaches the grinding machine's working area. At this point, the pressure sensor no longer bears the material pressure and stops generating material detection signals. This process achieves pressure detection and collaborative control functions through multi-sensor fusion, improving the equipment's operational reliability.

[0054] In a preferred embodiment, the automatic grinding machine feeding device further includes an alignment detection device for detecting the alignment status of the pushing mechanism 9 and the feeding port 12 of the material trough 11. The alignment detection device includes: a pair of laser alignment sensors symmetrically arranged on two opposing side walls near the feeding port 12 of the material trough 11, which monitor in real time the distance between the driving rod of the pushing mechanism 9 and its respective side wall, and calculate the distance difference between the driving rod and the two side walls based on the distance between the driving rod and each side wall; and a feedback control unit connected to the translation driving mechanism 1 and the lifting mechanism 2, which controls the translation driving mechanism 1 and the lifting mechanism 2 to adjust the position of the pallet 3 when the deviation exceeds 0.1mm, until the alignment error is ≤ ±0.05mm.

[0055] Positioning system confirmation phase: A pair of laser alignment sensors monitor the distance difference between the pusher mechanism 9 and the sidewall of the trough 11 in real time. When the deviation exceeds 0.1mm, the feedback control unit controls the translation drive mechanism 1 and the lifting mechanism 2 to fine-tune the position of the pallet 3. That is, the translation drive mechanism 1 drives the lifting arm 4 to move along the slide rail 7 in small steps (e.g., 0.01mm), and the lifting mechanism 2 drives the pallet 3 to rise and fall in small steps (e.g., 0.01mm) until the alignment error is ≤ ±0.05mm. Through multi-sensor collaborative detection and dynamic adjustment, the precise docking of the pusher mechanism 9 and the trough 11 is ensured, avoiding material jamming or positional deviation.

[0056] In a preferred embodiment, the automatic feeding device for the grinding machine further includes a material counting module 9 connected to the motion control module of the material counting module 9. The material counting module is used to record the number of times the motion control module completes the pushing action. When the number of pushing actions reaches a preset value, a feeding signal for the pallet 3 is generated. The lifting mechanism 2 is used to drive the pallet 3 to descend relative to the lifting arm 4, causing the material trough 11 to move from the highest position to the lowest position. The translation drive mechanism 1 is used to drive the lifting arm 4 to move along the slide rail 7 from the end position to the initial position, causing the material trough 11 to return to the feeding station. The preset value is equal to the number of material troughs 11 in the pallet 3.

[0057] For example, when the count reaches a preset value, the material counting module sends a loading command for pallet 3 to the motion control module. The lifting mechanism 2 and the translation drive mechanism 1 then drive pallet 3 back to the loading station according to this command. This technical solution improves equipment operating accuracy and work efficiency by combining intelligent counting with automatic material changing.

[0058] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Other modifications can be readily made by those skilled in the art. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and examples shown and described herein.

Claims

1. An automatic feeding device for a grinding machine, characterized in that, It is located on one side of the grinding machine's working area, and the automatic grinding machine feeding device includes: The bottom support has a horizontally set slide rail; A lifting arm, which is movably mounted on the slide rail; A translation drive mechanism, connected to the lifting arm, is used to drive the lifting arm to reciprocate along the slide rail between an initial position and a final position; A pallet is provided with a material trough, the material trough having a feed port and a discharge port that are connected from front to back, and the pallet is vertically mounted on the lifting arm; A lifting mechanism, connected to the pallet, is used to drive the pallet to rise and fall relative to the lifting arm, causing the trough to move between a lowest position and a highest position; Material feeding mechanism; When the lifting arm is in the initial position, the material trough is in the lowest position, and the material trough reaches the loading station; when the lifting arm is in the termination position, the material trough is in the highest position, and the material trough reaches the unloading station, the unloading port of the material trough is aligned with the working area of ​​the grinding machine, and the loading port of the material trough is aligned with the pushing mechanism. The pallet includes multiple material trays, each material tray having a trough. The translation drive mechanism drives the lifting arm to move along the slide rail from an initial position to an end position. The lifting mechanism drives the pallet to rise relative to the lifting arm, causing each trough in the multiple material trays to sequentially reach its corresponding lowest position to its highest position, thereby allowing each trough to sequentially reach the unloading station. The system includes a pair of lifting arms, a pair of translation drive mechanisms, a pair of pallets, and a pair of lifting mechanisms. The pair of lifting arms are respectively located on the left and right sides of the pushing mechanism. When each lifting arm is in the initial position on the left or right, the corresponding material trough is in the lowest position and reaches the left or right loading station. When the material trough on the left or right pallet reaches the unloading station, the material trough on the right or left pallet reaches the right loading station or the left loading station. The pushing mechanism includes a pushing motor. When the material trough reaches the unloading station, the drive rod of the pushing mechanism extends from the loading port of the material trough into the interior of the material trough. The feeding mechanism also includes: A position detection sensor is installed inside the hopper to detect the pushing position of the material in real time; The motion control module is connected to the pusher motor and the position detection sensor. It is used to adjust the pusher motor's push stroke according to the push position of the material fed back by the position detection sensor. After completing a single push, it controls the pusher motor to reset to the initial push position. The push position of the material when the pusher motor completes the push is when the material has completely reached the working area of ​​the grinding machine. The motion control module is used to perform segmented control of the feeding speed of the feeding motor. The specific process includes: During the initial feeding phase, the material is fed at a constant speed of 0.2 m / s until the front end of the material is 50 mm away from the working area of ​​the grinding machine. During the high-speed propulsion phase, the speed is accelerated to a maximum of 0.8 m / s and maintained until the front end of the material is 10 mm away from the working area of ​​the grinding machine; During the deceleration and positioning phase, the feeding speed is reduced to 0.1 m / s until the material completely reaches the working area of ​​the grinding machine.

2. The automatic feeding device for grinding machines as described in claim 1, characterized in that, It includes a feeding slide, which aligns with the feeding port of the material trough when the material trough reaches the feeding station.

3. The automatic feeding device for grinding machines as described in claim 1, characterized in that, The position detection sensor includes a laser displacement sensor, which is installed at the feed port of the material trough. The laser displacement sensor is used to determine the distance between the front end of the material and the target position of the grinding machine working area by detecting the distance between the rear end of the material and the feed port. When the distance between the rear end of the material and the feed port is equal to the length of the material trough, the material is pushed to the position where the material has completely reached the grinding machine working area.

4. The automatic feeding device for grinding machines as described in claim 3, characterized in that, The feeding mechanism also includes a pressure sensor, which is installed at the discharge port of the feed trough. The pressure sensor continuously generates a material detection signal when it detects material, until it stops generating the material detection signal when no more material is detected. When the pressure sensor stops generating the material detection signal, it is determined that the rear end of the material has left the feed trough and the material is pushed to the working area of ​​the grinding machine. The motion control module is connected to the pressure sensor signal and is used to control the feeding motor to reset to the initial feeding position based on the material pushing position fed by the pressure sensor and the laser displacement sensor.

5. The automatic feeding device for grinding machines as described in claim 4, characterized in that, It also includes an alignment detection device for detecting the alignment status between the pushing mechanism and the material inlet of the trough, the alignment detection device comprising: A pair of laser alignment sensors are symmetrically arranged on two opposing side walls near the feed inlet of the trough. They monitor the distance between the drive rod of the pushing mechanism and its respective side wall in real time and calculate the distance difference between the drive rod and the two side walls based on the distance between the drive rod and each side wall. The feedback control unit is connected to the translation drive mechanism and the lifting mechanism. When the deviation exceeds 0.1mm, it controls the translation drive mechanism and the lifting mechanism to adjust the position of the pallet until the alignment error is ≤ ±0.05mm.

6. The automatic feeding device for grinding machines as described in claim 4, characterized in that, The pushing mechanism also includes a material counting module, which is connected to the motion control module of the pushing mechanism. The material counting module is used to record the number of times the motion control module completes the pushing action. When the number of pushing actions reaches a preset value, a pallet loading signal is generated. The lifting mechanism is used to drive the pallet to descend relative to the lifting arm, causing the material trough to move from the highest position to the lowest position. The translation drive mechanism is used to drive the lifting arm to move along the slide rail from the end position to the initial position, causing the material trough to return to the loading station. The preset value is equal to the number of material troughs in the pallet.

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