A robot operation box purification system

Abstract

The present invention belongs to an operation box and discloses a purification system for a robot operation box, including a box body and a transition box, one side of the transition box is connected to the box body through an inner transition hatch, and the other side of the transition box is provided with an outer transition hatch, the bottom of the box body is provided with a first air inlet, the top is provided with a first air outlet, the top of the transition box is provided with a second air inlet, and the bottom is provided with a second air outlet, and a pair of robot arms are provided inside the box body; the first air outlet and the second air outlet are connected to one end of a conduit through a valve, and the other end of the conduit is connected to the first air inlet and the second air inlet through a valve; the conduit is provided with a circulation pump, an oxygen absorption tank, a carbon dioxide absorption tank and a drying tank in sequence from one end to the other end. The purpose of the present invention is to provide a purification system for a robot operation box, which replaces the traditional manual operation mode and adapts to high-pressure or low-pressure environments.

Description

Technical Field

[0001] The invention belongs to the field of operating boxes, and in particular relates to a robot operating box purification system. Background Art

[0002] The development of science and technology is driving chemical power sources to develop in the direction of high capacity, low energy consumption, and pollution-free. The development of chemical power sources has mainly gone through the following stages: lead-acid batteries, nickel-cadmium batteries, nickel-metal hydride batteries, and lithium batteries. Among them, lithium-ion batteries have the advantages of high energy density, long cycle life, low self-discharge rate, and green environmental protection. They have attracted more and more attention. The research and performance improvement of lithium-ion batteries have become a research hotspot in the field of chemical power sources.

[0003] The purification system glove box can provide an ultra-pure environment without water, oxygen and dust. After purification by the purification system, the water and oxygen content in the box can reach 1ppm. It is widely used in laboratories and the production of lithium-ion batteries and semiconductors. Its working principle is to first introduce inert gas into the box and evacuate the box for rough replacement in exchange for most of the air in the box (the rough replacement process is repeated more than 3 times), and then purify the small amount of water, oxygen and organic matter contained in the gas in the box through the purification system through a circulating pump, so that its water and oxygen content reaches 1ppm, and then the operator operates the sample through gloves. Operating gloves will be installed, and the operator can operate the materials and equipment in the glove box after wearing the gloves. However, the range of operation that human arms can achieve is limited, and the operating precision is insufficient when wearing gloves, which makes the operation inconvenient. In addition, manual operation is labor-intensive, inefficient, and has great safety risks. Therefore, a glove-free fully automatic purification system robotic arm operation box is designed without manual operation to meet the environmental requirements of ultra-low water and oxygen content in industrial fully automatic production and fully automatic experimental operations. At the same time, a carbon dioxide circulation purification treatment system is added to achieve the environmental requirements of ultra-low carbon dioxide content, which can meet the experimental needs of different environments. Summary of the invention

[0004] The purpose of the present invention is to provide a robot-operated box purification system to solve the above problems, replace the traditional manual operation mode, and adapt to the environment of ultra-low water and oxygen content and high-precision operation.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: a robot-operated box purification system, comprising a box body and a transition box, one side of the transition box is connected to the box body through an inner transition hatch, and the other side of the transition box is provided with an outer transition hatch, a first air inlet is provided at the bottom of the box body, and a first air outlet is provided at the top, a second air inlet is provided at the bottom of the transition box, and a second air outlet is provided at the top, and a robot arm is provided in pairs inside the box body; the first air outlet and the second air outlet are connected to one end of a conduit through a valve, and the other end of the conduit is connected to the first air inlet and the second air inlet through a valve; a circulating pump, an oxygen absorption tank, a carbon dioxide absorption tank and a drying tank are provided in sequence from one end to the other end of the conduit.

[0006] Furthermore, the drying tank includes an outer cylinder, a rotating shaft is arranged in the middle of the outer cylinder, a material cylinder is arranged along the axis array on the rotating shaft, a purified gas inlet and a purified gas outlet are arranged on one side of the outer cylinder, and a dry gas inlet and a dry gas outlet are arranged on the other side; the chemical gas inlet and the purified gas outlet and the dry gas inlet and the dry gas outlet are arranged on the top plate or the bottom plate of the outer cylinder.

[0007] Furthermore, the conduit is connected to the purified gas inlet and the purified gas outlet, and the dry gas inlet and the dry gas outlet are connected to a drying pipe.

[0008] Furthermore, the rotating shaft is connected to the top plate via a bearing, and the end portion is connected to the output shaft of the driving motor via a coupling.

[0009] Furthermore, a heat exchange coil is arranged outside the oxygen absorption tank, the heat exchange coil is connected to a drying pipe, and the drying pipe is connected to a hot air blower.

[0010] Furthermore, interception nets are provided at both ends of the material barrel, and the height of the material barrel is equal to the interval between the top plate and the bottom plate of the outer barrel.

[0011] Furthermore, a sliding sealing ring is provided at the contact point between the top plate and the bottom plate of the material cylinder and the outer cylinder.

[0012] Furthermore, the ends of the two adjacent material barrels are connected via a sealing plate.

[0013] The beneficial effects of the present invention are as follows: a robot-operated box purification system is provided, which replaces the traditional manual operation mode and is adaptable to high-pressure or low-pressure environments.

[0014] 1. The present invention adopts a mechanical arm instead of traditional gloves, so that the operating box can adapt to a more complex environment. At the same time, since the electrolyte of the lithium-ion battery will decompose to produce hydrogen fluoride at 20°C, and the human body temperature is about 37°C when operated by hand, the electrolyte will decompose to produce hydrogen fluoride, which will corrode the entire equipment. Therefore, the use of a mechanical arm can avoid this situation.

[0015] 2. The present invention removes carbon dioxide. Generally, alkali (calcium hydroxide or sodium hydroxide) is used to remove carbon dioxide. Carbon dioxide reacts with these two substances to produce moisture, so that the water content in the entire system is much greater than the moisture content of the traditional operation box. Therefore, the drying tank of this device will fail very quickly compared with the traditional operation box drying device, which results in a short use time of the entire device each time. Therefore, the present invention adopts a plurality of material barrels arranged in an array, and a rotatable arrangement can conveniently switch different material barrels to dry the gas, and the other side can synchronously dry and regenerate the replaced material barrel; thereby realizing the operation of regenerating the drying tank of the purification system while conducting experiments.

[0016] 3. The present invention adopts a stepper motor to accurately control the rotation angle, thereby ensuring the accuracy of the material barrel replacement; the material barrel is dried by a hot air blower to accelerate the drying rate, and the exhaust gas after drying heats the oxygen absorption tank through the heating coil to accelerate the oxygen absorption rate, and no additional heat source is required when the oxygen absorption tank is regenerated; the interception net can prevent the silica gel from escaping and prevent the silica gel from being crushed during the rotation of the material barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the drying tank of the present invention.

[0019] Figure 3 This is a schematic diagram of the main structure of the drying tank of the present invention.

[0020] Figure 4 for Figure 3 Draw the cross-section view at AA.

[0021] Figure 5 This is a schematic diagram of the main structure of the drying tank of the present invention without the outer cylinder.

[0022] Figure 6 This is a schematic diagram of the top view of the drying tank of the present invention without the outer cylinder.

[0023] The text labels in the figure are as follows: 1. box body; 11. first air inlet; 12. first air outlet; 2. transition box; 21. inner transition hatch; 22. outer transition hatch; 23. second air inlet; 24. second air outlet; 3. robotic arm; 4. conduit; 41. circulation pump; 42. oxygen absorption tank; 421. heat exchange coil; 43. carbon dioxide absorption tank; 5. drying tank; 51. outer cylinder; 511. purified gas inlet; 512. purified gas outlet; 521. dry gas inlet; 522. dry gas outlet; 52. rotating shaft; 53. material cylinder; 531. intercepting net; 532. sliding sealing ring; 533. sealing plate; 6. drying tube. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0025] like Figure 1-6 As shown, the specific structure of the present invention is: a robot-operated box purification system, including a box body 1 and a transition box 2, one side of the transition box 2 is connected to the box body 1 through an inner transition hatch 21, and the other side of the transition box 2 is provided with an outer transition hatch 22, and the outer transition hatch 22 is connected to the outside, the bottom of the box body 1 is provided with a first air inlet 11, and the top is provided with a first air outlet 12, the first air inlet 11 and the first air outlet 12 are arranged diagonally, the top of the transition box 2 is provided with a second air inlet 23, and the bottom is provided with a second air outlet 24, the second air inlet 23 and the second air outlet 24 are arranged diagonally, and the box body 1 is provided with a pair of mechanical arms 3, and the mechanical arms 3 are application number CN20181131 The robotic arm as recorded in 2033.4; the first air outlet 12 and the second air outlet 24 are connected to one end of the conduit 4 through a valve, and the other end of the conduit 4 is connected to the first air inlet 11 and the second air inlet 23 through a valve; the conduit 4 is provided with a circulation pump 41, an oxygen absorption tank 42, a carbon dioxide absorption tank 43 and a drying tank 5 in sequence from one end to the other; the robotic arm is used instead of traditional gloves, so that the operating box can adapt to more complex environments. At the same time, since the electrolyte of the lithium-ion battery will decompose to produce hydrogen fluoride at 20°C, and when operated by hand, the human body temperature is about 37°C, which will cause the electrolyte to decompose and produce hydrogen fluoride, which will corrode the entire equipment, so the use of a robotic arm can avoid this situation.

[0026] Preferably, the drying tank 5 includes an outer cylinder 51, a rotating shaft 52 is arranged in the middle of the outer cylinder 51, four material cylinders 53 are arranged in an array along the axis on the rotating shaft 52, the material cylinder 53 is filled with silica gel, and the material cylinder 53 is rotatable around the rotating shaft 52 as the axis, a purified gas inlet 511 is arranged on the left top plate of the outer cylinder 51, and a purified gas outlet 512 is arranged on the bottom plate; a dry gas inlet 521 is arranged on the right top plate, and a dry gas outlet 522 is arranged on the bottom plate; the purified gas inlet 511 and the purified gas outlet 512 are located on the same axis, and the dry gas inlet 521 and the dry gas outlet 522 are located on the same axis.

[0027] Preferably, the conduit 4 is connected to the purified gas inlet 511 and the purified gas outlet 512, and the dry gas inlet 521 and the dry gas outlet 522 are connected to the drying tube 6; a plurality of material barrels are arranged in an array, and are rotatably arranged to conveniently switch different material barrels to dry the gas, and the other side can simultaneously dry and regenerate the replaced material barrel.

[0028] Preferably, the rotating shaft 52 is connected to the top plate via a bearing, and the end is connected to the output shaft of the driving motor via a coupling. The driving motor is a stepping motor, and the stepping motor can accurately control the rotation angle, thereby ensuring the accuracy of the material barrel replacement.

[0029] Preferably, a heat exchange coil 421 is provided outside the oxygen absorption tank 42, and the heat exchange coil 421 is connected to the drying tube 6, and the drying tube 6 is connected to the hot air blower; the material barrel is dried by the hot air blower to accelerate the drying rate, and the exhaust gas after drying is heated by the heating coil to accelerate the oxygen absorption rate, and no additional heat source is required when the oxygen absorption tank is regenerated.

[0030] Preferably, interception nets 531 are provided at both ends of the material barrel 53, and the height of the material barrel 53 is equal to the interval between the top plate and the bottom plate of the outer barrel 51; the interception net can prevent the silica gel from escaping and prevent the silica gel from being crushed during the rotation of the material barrel.

[0031] Preferably, a sliding sealing ring 532 is provided at the contact point between the top plate and the bottom plate of the material cylinder 53 and the outer cylinder 51; the use of the sliding sealing ring can prevent the purified gas from escaping from the connection between the material cylinder and the outer cylinder, and can also prevent external gas from entering the material cylinder.

[0032] Preferably, the ends of the two adjacent material barrels 53 are connected by a sealing plate 533; the use of the sealing plate can prevent external gas from entering the conduit when the material barrel rotates and the air outlet and the air inlet are located within the interval between the two material barrels.

[0033] During specific use, the method of using the glove box is consistent with the existing glove box. When the drying effect of the drying tank 5 is not good, the stepper motor is controlled to rotate 45° and switch to the next drying tank for drying. The experiment can be carried out while drying and regenerating, which does not affect the use time. At the same time, the heat extension power supply is started to dry the drying tank located at the dry gas outlet 522. At the same time, the gas after drying and heating is heated by the heating coil to heat the oxygen absorption tank 42 to catalyze the reaction process.

[0034] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0035] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A robot operation box purification system, comprising a box body (1) and a transition box (2), wherein one side of the transition box (2) is connected to the box body (1) through an inner transition door (21), and the other side of the transition box (2) is provided with an outer transition door (22), the box body (1) is provided with a first air inlet (11) at the bottom and a first air outlet (12) at the top, the transition box (2) is provided with a second air inlet (23) at the bottom and a second air outlet (24) at the top, characterized in that: The box (1) is provided with a pair of mechanical arms (3); the first air outlet (12) and the second air outlet (24) are connected to one end of a conduit (4) through a valve, and the other end of the conduit (4) is connected to a first air inlet (11) and a second air inlet (23) through a valve; the conduit (4) is provided with a circulation pump (41), an oxygen absorption tank (42), a carbon dioxide absorption tank (43) and a drying tank (5) in sequence from one end to the other end; The drying tank (5) comprises an outer cylinder (51), a rotating shaft (52) is arranged in the middle of the outer cylinder (51), a material cylinder (53) is arranged in an array along the axis of the rotating shaft (52), a purified gas inlet (511) and a purified gas outlet (512) are arranged on one side of the outer cylinder (51), and a dry gas inlet (521) and a dry gas outlet (522) are arranged on the other side; the purified gas inlet (511) and the purified gas outlet (512) and the dry gas inlet (521) and the dry gas outlet (522) are arranged on the top plate or the bottom plate of the outer cylinder (51); The conduit (4) is connected to the purified gas inlet (511) and the purified gas outlet (512), and the dry gas inlet (521) and the dry gas outlet (522) are connected to the drying tube (6); The rotating shaft (52) is connected to the top plate via a bearing, and the end portion is connected to the output shaft of the driving motor via a coupling.

2. A robot operation box purification system according to claim 1, characterized in that: A heat exchange coil (421) is arranged outside the oxygen absorption tank (42), and the heat exchange coil (421) is connected to a drying pipe (6), and the drying pipe (6) is connected to a hot air blower.

3. A robot operation box purification system according to claim 1, characterized in that: Intercepting nets (531) are provided at both ends of the material barrel (53), and the height of the material barrel (53) is equal to the distance between the top plate and the bottom plate of the outer barrel (51).

4. A robot operation box purification system according to claim 3, characterized in that: A sliding sealing ring (532) is provided at the contact point between the top plate and the bottom plate of the material cylinder (53) and the outer cylinder (51).

5. The robot operation box purification system according to claim 1, characterized in that: The ends of two adjacent material barrels (53) are connected via a sealing plate (533).

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