Lifting type material receiving and weighing equipment with horizontal adjusting function and filling system

Abstract

The invention relates to the field of material filling equipment, in particular to lifting type material receiving and weighing equipment with a horizontal adjusting function and a filling system. The material receiving and weighing equipment comprises a lifting platform, a horizontal leveling mechanism, a weighing platform and a controller, the height of the material receiving container is preset through the controller, the lifting platform is driven to be adjusted to the target position, meanwhile, the state of the weighing platform is detected in real time through the horizontal sensor, dynamic leveling is conducted through the horizontal leveling mechanism, and the problems of inaccurate positioning and weighing errors during switching of containers of multiple specifications are solved. The scheme can adapt to various container specifications, high-precision horizontal control and automatic material receiving are achieved, and the filling efficiency and the weighing accuracy are improved.

Description

Technical Field

[0001] The present application relates to the field of material filling equipment, and in particular to a lifting material receiving and weighing equipment and a filling system with a level adjustment function. Background Art

[0002] In industrial filling production, the stability and adaptability of the receiving and weighing equipment directly affect production efficiency and material measurement accuracy. Traditional equipment mostly uses a weighing platform with a fixed height, which is difficult to adapt to receiving containers of different specifications, resulting in improper spacing between the container and the filling port, which can easily cause problems such as material splashing and bubble generation. In addition, the horizontal adjustment of existing equipment relies on manual operation, with delayed response and low accuracy. When the weighing platform is tilted, it will significantly affect the weighing accuracy. At the same time, the manual loading and unloading method has a low degree of automation, which further limits production efficiency. Therefore, how to develop a receiving and weighing equipment and filling system that can automatically adapt to containers of multiple specifications, perform real-time leveling, and integrate automated loading and unloading has become the focus of industry insiders. Summary of the Invention

[0003] The purpose of this application is to provide a lifting material receiving and weighing equipment and a filling system with a horizontal adjustment function to solve the problems of poor adaptability of switching between containers of multiple specifications, low horizontal adjustment accuracy and insufficient degree of automation.

[0004] To achieve the above objectives, this application provides the following technical solutions: A lifting material receiving and weighing device with a level adjustment function, comprising: a lifting platform, a leveling mechanism, a weighing platform and a controller; A weighing platform is provided on the lifting platform, which rises and falls together with the lifting platform. The weighing platform is used to support the material receiving container and weigh the material. A horizontal leveling mechanism is provided between the weighing platform and the lifting platform. A level sensor is provided on the weighing platform. The horizontal leveling mechanism is used to level and adjust the position of the weighing platform. The lifting platform, horizontal leveling mechanism, weighing platform and horizontal sensor are all connected to the controller signal to drive the material receiving container on the weighing platform to rise and fall to receive materials; the horizontal sensor is used to detect the horizontal state of the weighing platform and feed back the tilt signal to the controller; the controller controls the horizontal leveling mechanism to dynamically level the weighing platform based on the tilt signal.

[0005] Furthermore, the lifting platform includes: base, Scissor fork structures are arranged opposite to each other on the base; A top platform arranged on a scissor-fork structure; And, a linear module is arranged on the base and connected to the scissor fork structure to drive the scissor fork structure to open, close and lift.

[0006] Furthermore, the scissor fork structure comprises: an oblique support rod and an oblique brace rod hinged in the middle to form a scissor-like structure; Slide rails are provided on two opposite sides of the bottom of the top platform, and a first slider and a second slider are provided on the slide rails; One end of the oblique support rod is hinged to the base, and the other end of the oblique support rod is connected to the first slider; One end of the diagonal support rod is connected to the sliding seat of the linear module on the base, and the other end of the diagonal support rod is connected to the second sliding block.

[0007] The linear module is an existing ball screw linear module. In the present application, the motor of the linear module is preferably a servo stepper motor. The motor of the linear module is electrically connected to the controller and is controlled by the controller.

[0008] Furthermore, the weighing platform includes: a weighing frame, a weighing platform, and a weighing sensor installed between the weighing frame and the weighing platform for weighing and detecting the weight of the material receiving container and the material on the weighing platform.

[0009] Furthermore, the horizontal leveling mechanism includes: multiple electric push rods distributed around the bottom of the weighing platform to evenly support the weighing platform; one end of the multiple electric push rods is mounted on the lifting platform, and the other end of the multiple electric push rods is connected to the bottom of the weighing platform. The electric push rods are connected to a controller and are controlled by the controller.

[0010] Furthermore, the weighing platform is a square or circular structure; an electric push rod is provided at the center of each of the four sides of the bottom of the square structure; four electric push rods are provided at the bottom of the circular structure to equally divide the circumference, and the central angles of adjacent push rods are 90 degrees.

[0011] Furthermore, the material receiving and weighing equipment of the present application also includes: a loading and unloading robot arranged next to the lifting platform, the loading and unloading robot is a six-axis robot with a grabbing manipulator, the loading and unloading robot is used to grab the material receiving container and load it onto the weighing platform and unload and remove the material after the material receiving is completed.

[0012] The controller pre-stores the height parameters of receiving containers of different specifications, and instructs the servo stepper motor to adjust the height of the weighing platform so that the distance between the discharge port and the material liquid surface remains at a preset value; when the lifting stops, the controller controls the extension and retraction of each electric push rod based on the tilt signal of the horizontal sensor to restore the weighing platform to the level; the controller instructs the servo stepper motor of the lifting platform to adjust the height of the weighing platform to drop according to the weight of the receiving container after receiving the material fed back by the weighing sensor, so as to execute the material collection from the receiving container.

[0013] Furthermore, the top surface of the weighing platform is provided with anti-slip stripes; and / or, the top surface of the weighing platform is also concentrically provided with annular positioning grooves adapted to different material receiving containers, and multiple annular positioning grooves are matched with limiting rings.

[0014] The present application also provides a filling system, comprising the above-mentioned lifting material receiving and weighing device with a level adjustment function, and further comprising: a frame, a turntable, a material barrel and a filling gun nozzle; The turntable is arranged on the frame and connected to a drive motor provided on the frame; the drive motor provides power to drive the turntable to rotate; A barrel bracket is provided on the turntable, and a barrel is provided on the barrel bracket; a discharge port is provided at the bottom of the barrel; the filling gun nozzle is connected to the discharge port via a pipe, and a vibrator is further provided on the pipe or the filling gun nozzle to vibrate the discharge. Preferably, a barrier filter is provided in the filling gun nozzle, and a vibrator is further provided on the outer wall of the connecting pipe to which the filling gun nozzle is located, and the vibrator is vibrated to force the material to pass through the barrier filter for discharge and filling; alternatively, a barrier filter is provided in the filling gun nozzle, and a vibrator is further provided on the outer wall of the filling gun nozzle, and the vibrator is vibrated to force the material to pass through the barrier filter for discharge and filling.

[0015] Furthermore, the filling system of the present application also includes an unclosed-loop aggregate trough arranged around the outer periphery of the turntable; the unclosed-loop opening is set as a filling station, which is above the weighing platform; the aggregate trough is used to collect residual material from the filling gun nozzle; specifically, the filling gun nozzle at the barrel outlet is at the filling station, the filling gun nozzle is directly above the material container, and an isolation filter is provided in the nozzle; the weighing platform is located below the opening of the unclosed-loop aggregate trough of the turntable; the aggregate trough is used to park the filling gun nozzle when the barrel on the turntable is not filling, so as to collect residual material.

[0016] Compared with existing equipment, the present invention has the following significant advantages: This application discloses a lifting and weighing device with a leveling function, including a lifting platform, a leveling mechanism, a weighing platform, and a controller. The controller presets the height of the receiving container and drives the lifting platform to the target position. A level sensor simultaneously monitors the status of the weighing platform in real time, and the leveling mechanism dynamically adjusts the level. This solves the problems of inaccurate positioning and weighing errors when switching between containers of different specifications. This application solution can accommodate a variety of container specifications, achieving high-precision level control and automated material receiving, thereby improving filling efficiency and weighing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1 A structural diagram of a filling system for this application; Figure 2This is a structural diagram of a lifting material receiving and weighing device with a level adjustment function in this application; Figure 3 for Figure 2 Schematic diagram of the structure of the middle lifting platform; Figure 4 for Figure 1 A schematic diagram of the filling and receiving state of the intermediate receiving container; Among them, 10. Lifting platform, 11. Base, 12. Scissor fork structure, 121. Diagonal support rod, 122. Diagonal support rod, 13. Top platform, 14. Linear module, 141. Slide seat; 20. Electric push rod, 30. Weighing platform, 40. Material receiving container, 50. Turntable, 60. Material barrel, 70. Rack, 80. Collecting trough, 90. Filling gun nozzle, 91. Barrier filter, 92. Vibrator. DETAILED DESCRIPTION

[0019] In order to help those skilled in the art better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of this application.

[0020] It should be noted that when an element is referred to as being “fixed on” or “set on” another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0023] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0024] The embodiments of the present application are written in a progressive manner.

[0025] See also Figure 2 and Figure 3 , a lifting type material receiving and weighing device with a level adjustment function, comprising: a lifting platform 10, a leveling mechanism, a weighing platform and a controller; A weighing platform 30 is provided on the lifting platform, and the weighing platform rises and falls together with the lifting platform. The weighing platform is used to support the receiving container 40 and weigh; A horizontal leveling mechanism is provided between the weighing platform and the lifting platform. A level sensor is provided on the weighing platform. The horizontal leveling mechanism is used to level and adjust the position of the weighing platform. The lifting platform, horizontal leveling mechanism, weighing platform and horizontal sensor are all connected to the controller signal to drive the material receiving container on the weighing platform to rise and fall to receive materials; the horizontal sensor is used to detect the horizontal state of the weighing platform and feed back the tilt signal to the controller; the controller controls the horizontal leveling mechanism to dynamically level the weighing platform based on the tilt signal.

[0026] The material receiving and weighing equipment in this application uses a controller to preset the height of the receiving container and drive the lifting platform to adjust to the target position. A level sensor simultaneously detects the status of the weighing platform in real time, and a leveling mechanism dynamically adjusts the level. This solves the problems of inaccurate positioning and weighing errors when switching between containers of different specifications. This application solution can accommodate a variety of container specifications, achieving high-precision level control and automated material receiving, thereby improving filling efficiency and weighing accuracy.

[0027] Furthermore, the lifting platform 10 includes: Base 11, A scissor fork structure 12 is arranged opposite to each other on the base; A top platform 13 arranged on the scissor fork structure; Also, a linear module 14 is arranged on the base and connected to the scissor fork structure to drive the scissor fork structure to open, close and lift.

[0028] See also Figure 3 The scissor fork structure includes: an oblique support rod 121 and an oblique support rod 122 hinged in the middle to form a scissor-like structure; Slide rails are provided on two opposite sides of the bottom of the top platform, and a first slider and a second slider are provided on the slide rails; One end of the oblique support rod is hinged to the base, and the other end of the oblique support rod is connected to the first slider; One end of the diagonal support rod is connected to the slide 141 of the linear module on the base, and the other end of the diagonal support rod is connected to the second sliding block.

[0029] The linear module's slide drives the diagonal support rod to move horizontally, controlling the opening and closing of the scissor fork structure. The linear module is a conventional ball screw linear module. In the present embodiment, the linear module's motor is preferably a servo stepper motor. The linear module's motor is electrically connected to a controller, which controls its operation.

[0030] Furthermore, the weighing platform includes: a weighing frame, a weighing platform, and a weighing sensor installed between the weighing frame and the weighing platform for weighing and detecting the weight of the material receiving container and the material on the weighing platform.

[0031] It is understood that the weighing sensor is in communication with the controller.

[0032] Furthermore, the horizontal leveling mechanism includes multiple electric push rods 20 distributed around the bottom of the weighing platform, evenly supporting the platform. One end of each push rod is mounted on the lifting platform, and the other end is connected to the bottom of the weighing platform. The push rods are connected to a controller, which controls their operation. Specifically, the controller controls the extension and retraction of each push rod based on the horizontal inclination angle of the weighing platform detected by a level sensor, thereby ensuring the horizontal leveling of the weighing platform. The level sensor detects the inclination angle signal, and the controller analyzes and calculates the compensation amount for the push rods to achieve horizontal leveling of the weighing platform.

[0033] Furthermore, the weighing platform is a square or circular structure; an electric push rod is provided at the center of each of the four sides of the bottom of the square structure; four electric push rods are provided at the bottom of the circular structure to equally divide the circumference, and the central angles of adjacent push rods are 90 degrees.

[0034] Furthermore, the material receiving and weighing equipment of the present application also includes: a loading and unloading robot arranged next to the lifting platform, the loading and unloading robot is a six-axis robot with a grabbing manipulator, the loading and unloading robot is used to grab the material receiving container and load it onto the weighing platform and unload and remove the material after the material receiving is completed.

[0035] It should be noted that the loading and unloading robot is an existing technical equipment and is equipped with a visual system to identify the placement of the container. The loading and unloading robot communicates with the controller through the TCP / IP protocol to achieve collaborative operations of picking and placing materials and lifting and leveling.

[0036] The horizontal sensor is preferably an existing inclination sensor; the controller is a PLC or embedded system with a built-in PID control algorithm, which receives the inclination signal of the horizontal sensor in real time and calculates the compensation amount of each electric push rod; each electric push rod has encoder feedback, and the controller synchronously controls the movement of multiple push rods through a CAN bus or a communication protocol to ensure that the platform leveling process is stable and reliable.

[0037] It can be understood that the height of receiving containers of different specifications is known information, the height of the discharge port in the filling barrel is known information, and the lifting height information of the lifting platform can be obtained by converting the encoder configured by the servo stepper motor in the linear module. That is, the controller controls the operation of the servo stepper motor to know the lifting height of the lifting platform.

[0038] The controller pre-stores the height parameters of receiving containers of different specifications, and instructs the servo stepper motor to adjust the height of the weighing platform so that the distance between the discharge port (filling gun nozzle) and the material liquid level remains at a preset value; when the lifting stops, the controller fine-tunes and levels the weighing platform based on the tilt signal of the horizontal sensor, and controls the extension and retraction of each electric push rod to keep the weighing platform level so that the receiving container can receive the material; based on the weight of the receiving container after receiving the material as fed back by the weighing sensor, the controller instructs the servo stepper motor of the lifting platform to adjust the height of the weighing platform to drop, so that the loading and unloading robot can pick up the material from the receiving container.

[0039] Furthermore, the top surface of the weighing platform is provided with anti-slip stripes; and / or the top surface of the weighing platform is also concentrically provided with annular positioning grooves adapted to different receiving containers, and multiple annular positioning grooves are provided in conjunction with limit rings. In the above solutions, the anti-slip stripes and annular positioning grooves enhance the stability of container placement, prevent sliding and offset, and adapt to the rapid switching of containers of various specifications.

[0040] See also Figure 1 and Figure 4 , the present application also provides a filling system, including the above-mentioned lifting material receiving and weighing device with a horizontal adjustment function, and also including: a frame 70, a turntable 50, a material barrel 60 and a filling gun nozzle 90; The turntable is arranged on the frame and connected to a drive motor provided on the frame; the drive motor provides power to drive the turntable to rotate; The turntable is provided with a barrel support, on which a barrel is provided; a discharge port is provided at the bottom of the barrel; the nozzle of the filling gun is connected to the discharge port through a pipe. A vibrator 92 is also provided on the pipe or the nozzle of the filling gun to vibrate the discharge.

[0041] Preferably, the nozzle of the filling gun is provided with an isolation filter, and the outer wall of the connecting pipe to which the nozzle is located is also provided with a vibrator, which vibrates to cause the material to pass through the isolation filter for discharge and filling; alternatively, the nozzle of the filling gun is provided with an isolation filter, and the outer wall of the filling gun is also provided with a vibrator, which vibrates to cause the material to pass through the isolation filter for discharge and filling. It is understood that the vibrator is connected to a controller, which controls the vibration; the drive motor is preferably a servo stepper motor, which is also connected to the controller, and the controller controls the rotation of the turntable to drive the barrel to the filling station for material filling in the receiving container.

[0042] Furthermore, the filling system of the present application also includes an unclosed-loop collection trough 80 arranged around the outer periphery of the turntable; the unclosed-loop opening is set as a filling station, which is located above the weighing platform; the collection trough is used to collect the residual material of the filling gun nozzle; specifically, the filling gun nozzle at the barrel outlet is in the filling station, the filling gun nozzle is directly above the material container, and a barrier filter 91 is provided in the nozzle; the weighing platform is located below the opening of the unclosed-loop collection trough of the turntable; the collection trough is used to park the filling gun nozzle when the barrel on the turntable is not filling, so as to collect the residual material. Preferably, the collection trough is installed on the frame.

[0043] The filling system integrates a turntable and a collection trough. The rotation of the turntable can realize continuous operation of multiple barrels on the turntable. The filter screen of the filling gun nozzle reduces impurity pollution, and the collection trough can realize the function of collecting residual materials.

[0044] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present application. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lifting material receiving and weighing device with a level adjustment function, characterized in that: include: Lifting platform, leveling mechanism, weighing platform and controller; A weighing platform is provided on the lifting platform, which rises and falls together with the lifting platform. The weighing platform is used to support the material receiving container and weigh the material. A horizontal leveling mechanism is provided between the weighing platform and the lifting platform. A level sensor is provided on the weighing platform. The horizontal leveling mechanism is used to level and adjust the position of the weighing platform. The lifting platform, horizontal leveling mechanism, weighing platform and horizontal sensor are all connected to the controller signal to drive the material receiving container on the weighing platform to rise and fall to receive materials; the horizontal sensor is used to detect the horizontal state of the weighing platform and feed back the tilt signal to the controller; the controller controls the horizontal leveling mechanism to dynamically level the weighing platform based on the tilt signal.

2. The lifting material receiving and weighing equipment with level adjustment function according to claim 1 is characterized in that: The lifting platform comprises: base, Scissor fork structures are arranged opposite to each other on the base; A top platform arranged on a scissor-fork structure; And, a linear module is arranged on the base and connected to the scissor fork structure to drive the scissor fork structure to open, close and lift.

3. The lifting material receiving and weighing equipment with level adjustment function according to claim 2 is characterized in that: The scissor fork structure comprises: an oblique support rod and an oblique brace rod hinged in the middle to form a scissor-like structure; Slide rails are provided on two opposite sides of the bottom of the top platform, and a first slider and a second slider are provided on the slide rails; One end of the oblique support rod is hinged to the base, and the other end of the oblique support rod is connected to the first slider; One end of the diagonal support rod is connected to the sliding seat of the linear module on the base, and the other end of the diagonal support rod is connected to the second sliding block.

4. The lifting material receiving and weighing equipment with level adjustment function according to any one of claims 1 to 3, characterized in that: The weighing platform includes: a weighing frame, a weighing platform, and a weighing sensor installed between the weighing frame and the weighing platform for weighing and detecting the weight of the material receiving container and the material on the weighing platform.

5. The lifting material receiving and weighing equipment with level adjustment function according to claim 3 is characterized in that: The horizontal leveling mechanism includes: multiple electric push rods distributed around the bottom of the weighing platform to evenly support the weighing platform; one end of the multiple electric push rods is installed on the lifting platform, and the other end is connected to the bottom of the weighing platform.

6. The lifting material receiving and weighing equipment with level adjustment function according to claim 5 is characterized in that: The weighing platform is a square or circular structure; the square structure has an electric push rod at the center of each of the four sides of the bottom; the circular structure has four electric push rods at the bottom that divide the circumference equally, and the central angles of adjacent push rods are 90 degrees.

7. The lifting material receiving and weighing equipment with level adjustment function according to any one of claims 1-3, 5-6, characterized in that: Also includes: The loading and unloading robot is arranged beside the lifting platform. The loading and unloading robot is a six-axis robot with a grabbing manipulator. The loading and unloading robot is used to grab the receiving container and load it onto the weighing platform and unload and remove the material after the receiving is completed.

8. The lifting material receiving and weighing equipment with level adjustment function according to claim 7, characterized in that: The top surface of the weighing platform is provided with anti-slip stripes; and / or, the top surface of the weighing platform is also concentrically provided with an annular positioning groove adapted to different material receiving containers, and multiple annular positioning grooves are equipped with limiting rings.

9. A filling system, comprising the lifting material receiving and weighing device with a level adjustment function as claimed in any one of claims 1 to 8, characterized in that: include: Frame, turntable, barrel and filling gun nozzle; The turntable is arranged on the frame and connected to a drive motor provided on the frame; the drive motor provides power to drive the turntable to rotate; A barrel bracket is provided on the turntable, and a barrel is provided on the barrel bracket; a discharge port is provided at the bottom of the barrel; the filling gun nozzle is connected to the discharge port through a pipeline; a vibrator is also provided on the pipeline or the filling gun nozzle to vibrate and discharge the material.

10. The filling system according to claim 9, characterized in that It also includes an unclosed-loop collecting trough arranged around the outer periphery of the turntable; the unclosed-loop opening is set as a filling station, which is above the weighing platform; the collecting trough is used to collect the residual material of the filling gun nozzle.

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