Nitrogen circulation box with shear type lifting platform

Abstract

The invention discloses a nitrogen circulation box with a shear type lifting platform. A servo motor and a worm lifting machine are installed on the outer wall of a box body, the output end of the servo motor is connected to the worm lifting machine, the worm lifting machine is provided with one end of a ball screw, the other end of the ball screw penetrates into an inner cavity of the box body, and a nut of the ball screw is connected with a sliding block; cam bearing followers are installed on the front side wall and the rear side wall of the sliding block correspondingly, two fixedly-installed fixing plates are arranged at the bottom of an inner cavity of the box body, limiting baffles and fixing assemblies are fixedly installed on the left sides and the right sides of the fixing plates correspondingly, and sliding grooves matched with the cam bearing followers are formed in the two limiting baffles correspondingly. External power and the worm elevator are combined to drive the sliding seat to control the tray to ascend and descend, the influence of electromagnetism and equipment temperature on the nitrogen environment is overcome, and maintenance and overhaul are easy. And continuous material conveying and packaging operation is achieved. And due to the introduction of the lifting platform, the space is saved, and the compactness of the structure is improved.

Description

Technical Field

[0001] The invention relates to the technical field, in particular to a nitrogen circulation box with a scissor-type lifting platform. Background Art

[0002] NdFeB, also known as NdFeB magnets, is widely used in electromagnetic products. Its chemical composition and physical properties make it very sensitive to the environment. It contains a large amount of rare earth elements neodymium, iron and boron. The characteristics of these elements make the magnet surface very susceptible to oxidation and corrosion. Therefore, in order to extend its service life, it is generally required to be packaged and stored in a nitrogen environment to prevent oxidation. During the packaging process, it is usually necessary to carefully stack them and put them into the material box (the size is about 330mm long * 260mm wide * 170mm high), but the operating height of the worker's glove parts is 900mm.

[0003] However, due to the volume of the existing nitrogen transition circulation box, continuous transmission and packaging operations cannot be achieved. If the transmission line is installed in the box, it will occupy too much space, have a loose structure, and be inconvenient to maintain. In addition, once the box is packed, frequently opening the box door to take out the packaged finished products will destroy the nitrogen environment, and it is necessary to re-evacuate and refill nitrogen, which not only affects the operating efficiency, but also causes a waste of resources. In addition, the common scissor lift platforms are mainly divided into two types: electric and hydraulic, and their power systems are integrated into the scissor structure. However, both types are not suitable for use in a nitrogen environment. The electromagnetic interference generated by the motor of the electric lift platform and the hydraulic system of the hydraulic lift platform may disrupt the electronic control unit of the nitrogen generator, resulting in instability and potential failure of the equipment operation. The heat generated by the motor and hydraulic cylinder during operation may also affect the purity and stability of the nitrogen. And the maintenance and overhaul process of these equipment is extremely inconvenient. Therefore, a nitrogen circulation box that can continuously operate the box is needed, and it is guaranteed that it can work without destroying the nitrogen environment in the box. Summary of the invention

[0004] The object of the present invention is to provide a nitrogen circulation box with a scissor lift platform to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: comprising a box body, the surface of the box body is respectively installed with glove components, the left and right sides of the box body are respectively provided with a discharge port and a feed port, the outer wall of the box body is installed with a servo motor and a worm elevator, the output end of the servo motor is connected to the worm elevator, the worm elevator is installed with one end of a ball screw, the other end of the ball screw penetrates into the inner cavity of the box body, the nut of the ball screw is connected to a slider, and the front and rear side walls of the slider are respectively installed with cam bearing followers; Two fixed plates are provided at the bottom of the inner cavity of the box body, and limit baffles and fixed components are respectively fixedly installed on the left and right sides of the fixed plates. Slide grooves adapted to cam bearing followers are opened on the two limit baffles, and the two slide grooves are respectively located on the left and right sides of the slider. The two cam bearing followers pass through the slide grooves and are respectively rotatably connected to one end of the lower part of the scissor rod, and the other end of the lower part of the scissor rod is fixedly connected to the fixed component, and a tray is also installed on the upper part of the scissor rod.

[0006] Preferably, a sealing flange is installed at the connection between the worm elevator and the box body, the sealing flange is fixed to the outer wall of the box body by bolts, and a J-shaped vacuum sealing ring is installed in the sealing flange.

[0007] Preferably, two groups of cam bearing followers are respectively provided at the top of the sliding block close to the limit baffle.

[0008] Preferably, the system comprises two groups of connecting rods which are cross-hinged with each other.

[0009] Preferably, two cam bearing followers are also installed on the front and rear side walls of the sliding block, and the two cam bearing followers are respectively placed inside the sliding groove of the limiting baffle.

[0010] Preferably, the servo motor is electrically connected to a controller.

[0011] The present invention proposes a nitrogen circulation box with a scissor-type lifting platform, which has the beneficial effects of: comprising a scissor-type lifting platform, which adopts a power external servo motor and a worm gear lift to drive a slide to control lifting, thereby overcoming the influence of electromagnetic and equipment temperature on the nitrogen environment, and is convenient to operate, maintain and repair. Since the platform can be electrically controlled to lift and lower, continuous material transmission and packaging operations are achieved. The introduction of the lifting platform not only saves space, but also improves the compactness of the structure, making maintenance more convenient. More importantly, by using a lifting platform, multiple groups of material boxes can be stacked at one time, thereby avoiding frequent opening of the box door, thereby maintaining the stability of the nitrogen environment inside the box, reducing the number of re-vacuuming and nitrogen filling due to environmental damage, and significantly improving operating efficiency and saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 This is a schematic diagram of the sealing flange structure of the present invention.

[0013] In the figure: 1. box body, 2. glove parts, 3. feed port, 4. discharge port, 5. servo motor, 6. worm lift, 7. ball screw, 8. slider, 9. cam bearing follower, 10. fixed plate, 11. limit baffle, 12. fixed assembly, 13. scissor rod, 14. tray, 15. sealing flange, 16. J-type vacuum sealing ring. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figure 1-3 The present invention provides a technical solution: a nitrogen circulation box with a scissor-type lifting platform, comprising a box body 1, a glove component 2 is respectively installed on the surface of the box body 1, a discharge port 3 and a feed port 4 are respectively opened on the left and right sides of the box body 1, a servo motor 5 and a worm elevator 6 are installed on the outer wall of the box body 1, the output end of the servo motor 5 is connected to the worm elevator 6, the worm elevator 6 is installed with one end of a ball screw 7, the other end of the ball screw 7 penetrates into the inner cavity of the box body 1, the nut of the ball screw 7 is connected to a slider 8, and the front and rear side walls of the slider 8 are respectively installed with cam bearing followers 9; Two fixed plates 10 are provided at the bottom of the inner cavity of the box body 1, and limit baffles 11 and fixed components 12 are fixedly installed on the left and right sides of the fixed plates 10 respectively. The two limit baffles 11 are provided with sliding grooves adapted to the cam bearing followers 9, and the two sliding grooves are respectively located on the left and right sides of the slider 8. The two cam bearing followers 9 pass through the sliding grooves and are respectively rotatably connected to one end of the lower part of the scissor rod 13, and the other end of the lower part of the scissor rod 13 is fixedly connected to the fixed component 12. A tray 14 is installed on the upper part of the scissor rod 13, and the two are connected flexibly by matching bearings and pins.

[0016] A sealing flange 15 is installed at the connection between the worm elevator 6 and the box body 1. The sealing flange 15 is fixed to the outer wall of the box body 1 by bolts. A J-shaped vacuum sealing ring 16 is installed in the sealing flange 15 to form an effective sealing effect, maintain the environment inside the nitrogen box, and ensure the normal operation of the equipment.

[0017] Two groups of cam bearing followers 9 are respectively provided at the top of the slide block 8 close to the limit baffle 11 to ensure the stability of the slide block 8. In actual use, workers placing the material box may easily cause the tray 14 to shake. Therefore, two groups of auxiliary cam bearing followers 9 are designed. They can provide additional support when the tray 14 is under heavy load to prevent unstable sliding caused by gravity. This design not only extends the service life of the equipment, but also improves the safety of operation. In actual applications, this structural design ensures the stability and reliability of the tray 14 during the lifting process, thereby ensuring the stability of the material box during loading and unloading, and reducing the risk of material damage caused by shaking.

[0018] The 13 includes two sets of mutually cross-hinged connecting rods, which are used to realize the lifting and lowering movement of the scissor rods 13, thereby driving the pallet 14 to rise or fall. One end of each set of connecting rods is hinged to the slider 8, and the other end is hinged to the fixed component 12, forming a stable scissor structure. This structural design allows the pallet 14 to remain horizontal during the lifting process, ensuring the stability and load-bearing capacity of the platform.

[0019] Two cam bearing followers 9 are also installed on the front and rear side walls of the slider 8, and the two cam bearing followers 9 are respectively placed inside the slide groove of the limit baffle 11, which are used to guide the slider 8 to move smoothly in the slide groove, reduce friction and wear, thereby improving the stability and service life of the entire lifting platform and the worm gear lift 6.

[0020] The servo motor 5 is electrically connected to a controller, which accurately controls the rotation angle and direction of the motor by sending pulse signals and direction signals. Due to the mechanical connection between the servo motor output shaft and the worm elevator, the linear sliding of the slider drives the movement of one end of the scissor rod 13.

[0021] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process: Working principle: When the controller receives the operation instruction, it sends a series of pulse signals to the servo motor, which instruct the motor to rotate a specific angle. The rotation of the servo motor is converted into the linear motion of the slider through the worm elevator. Guided by the cam bearing follower, the slider moves smoothly along the slide groove of the limit baffle, thereby pushing one end of the scissor rod. The other end of the scissor rod is connected to the pallet, so the pallet will rise or fall with the movement of the scissor rod. The limit baffle ensures that the movement of the slider and the scissor rod does not exceed the predetermined range, ensuring the accuracy of the lifting action. The whole system has a fast response speed, high positioning accuracy, simple and reliable operation, which greatly improves the efficiency and accuracy of the experiment.

[0022] Working process: First, refer to the attached Figure 1When in use, the feed port 3 of the box body will be connected to an external device for continuous feeding. While feeding, the worker uses the glove component 2 to neatly stack the NdFeB magnets into the material box and put them on the pallet 14. The pallet 14 can hold 9 material boxes on one layer. When one layer is loaded, the lifting platform is controlled by the controller to drop the height of one material box, and the worker continues to stack them on the pallet 14. This cycle is repeated, and finally the packaging of 45 material boxes in five layers is completed. This process ensures the neat stacking of the material boxes and maximizes the use of space. Subsequently, the lifting platform descends steadily, the discharge port opens, and the forklift takes out all the packaged material boxes at one time. In this way, continuous and efficient material handling can be achieved, greatly reducing the complexity and labor intensity of manual operation.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nitrogen circulation box with a scissor lift platform, comprising a box body (1), a surface of the box body (1) is respectively provided with glove components (2), and a discharge port (3) and a feed port (4) are respectively provided on the left and right sides of the box body (1), characterized in that: A servo motor (5) and a worm gear lift (6) are mounted on the outer wall of the housing (1); the output end of the servo motor (5) is connected to the worm gear lift (6); one end of a ball screw (7) is mounted on the worm gear lift (6); the other end of the ball screw (7) penetrates into the inner cavity of the housing (1); the nut of the ball screw (7) is connected to a slider (8); and cam bearing followers (9) are mounted on the front and rear side walls of the slider (8); Two fixedly mounted fixing plates (10) are provided at the bottom of the inner cavity of the box body (1), and a limit baffle (11) and a fixing assembly (12) are fixedly mounted on the left and right sides of the fixing plate (10), respectively. The two limit baffles (11) are provided with a slide groove adapted to the cam bearing follower (9), and the two slide grooves are respectively located on the left and right sides of the slider (8), and the two cam bearing followers (9) penetrate the slide grooves and are respectively rotatably connected to one end of the lower part of the scissor rod (13), and the other end of the lower part of the scissor rod (13) is fixedly connected to the fixing assembly (12), and a tray (14) is installed on the upper part of the scissor rod (13).

2. A nitrogen circulation box with a scissor lift platform according to claim 1, characterized in that: A sealing flange (15) is installed at the connection between the worm elevator (6) and the box body (1); the sealing flange (15) is fixed to the outer wall of the box body (1) by bolts; and a J-shaped vacuum sealing ring (16) is installed in the sealing flange (15).

3. A nitrogen circulation box with a scissor lift platform according to claim 1, characterized in that: Two groups of cam bearing followers (9) are also provided at the top of the sliding block (8) close to the limit baffle (11).

4. A nitrogen circulation box with a scissor lift platform according to claim 1, characterized in that: The (13) comprises two sets of connecting rods which are cross-hinged with each other.

5. The nitrogen circulation box with a scissor lift platform according to claim 1, characterized in that: Two cam bearing followers (9) are also installed on the front and rear side walls of the sliding block (8), and the two cam bearing followers (9) are respectively placed inside the sliding groove of the limiting baffle (11).

6. A nitrogen circulation box with a scissor lift platform according to claim 1, characterized in that: The servo motor (5) is electrically connected to a controller.

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