Ton tank for storing electronic chemicals for semiconductors

Abstract

The invention discloses a ton barrel for storing electronic chemicals for semiconductors, and relates to the field of storage containers, the ton barrel comprises a floating plate, a connecting assembly and a balancing weight which are arranged in a barrel body and connected in sequence, liquid is stored in the barrel body, the floating plate floats on the liquid level, an adjusting area is formed in the position, close to the inner bottom wall of the barrel body, in the barrel body, and the adjusting area is arranged in the barrel body. The balancing weight is located in the adjusting area, the horizontal height of the floating plate is in positive correlation with the height of the liquid level, the horizontal height of the balancing weight is lowered when the horizontal height of the floating plate is increased, and the gravity center of the barrel body is lowered when the horizontal height of the balancing weight is lowered. By arranging a linkage structure of the floating plate, the connecting assembly and the balancing weight in the ton bucket, the gravity center of the bucket body can be dynamically adjusted in real time according to the change of the liquid level, so that the gravity center of the ton bucket can be kept at an ideal position after the ton bucket is subjected to liquid injection; and the toppling or sliding risk caused by the fact that the gravity center of a traditional ton barrel is too high in the stacking or transporting process is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of storage containers, in particular to a ton barrel for storing electronic chemicals for semiconductors. BACKGROUND

[0002] In the field of microelectronics manufacturing, electronic chemicals serve as the basic material system, covering special chemical agents for the whole process from cleaning, etching to deposition, among which etching liquid, as an important subclass of electronic chemicals, is the core process material for micron and nanometer level pattern processing through chemical or electrochemical action. According to the requirements of semiconductor manufacturing process, etching liquid can be subdivided into: dielectric layer etching liquid, silicon-based etching liquid, metal interconnection line etching liquid, etc. These special etching liquids must meet the electronic grade purity standard, and their formula development, production process and quality control must strictly follow the technical specifications of electronic chemicals.

[0003] As a high-efficiency, large-capacity liquid storage and transportation container, ton barrels are widely used in chemical, pharmaceutical, food processing and other industries, mainly for storing and transporting large amounts of liquid chemicals, solvents or other liquid substances. Its structure is usually composed of a plastic barrel body, a metal frame and a bottom tray, and has the advantages of large volume, convenient transportation, strong corrosion resistance, etc.

[0004] At present, when electronic chemicals used as etching liquid are stored in ton barrels, the center of gravity of the ton barrel filled with etching liquid will rise with the injection of etching liquid, especially during stacking, the risk of rising center of gravity will increase due to multi-layer stacking, and even cause the whole to fall. In the environment of ground vibration or violent movement, the rising center of gravity combined with the inertial effect of the liquid will cause the ton barrel to fall or roll over, and in the case of a half barrel, the amount of liquid in the barrel is small, the center of gravity is uncertain, usually biased towards the upper middle area. At this time, the weight of the ton barrel is reduced, and the overall stability is poor, especially on uneven roads or when subjected to external interference, it is more likely to tip over, increasing the potential safety hazard.

[0005] Therefore, the present application proposes a ton barrel for storing electronic chemicals for semiconductors to solve the problem of rising center of gravity in full barrel and half barrel states and unstable center of gravity prone to tipping over. SUMMARY

[0006] The present application aims to provide a ton barrel for storing electronic chemicals for semiconductors to solve the problem of rising center of gravity in full barrel state and unstable center of gravity prone to tipping over in half barrel state.

[0007] To achieve this purpose, the present application adopts the following technical solutions: A ton barrel for storing electronic chemicals for semiconductors comprises a floating plate, a connecting assembly and a counterweight block connected in sequence and arranged in the barrel body. Liquid is stored in the barrel body, the floating plate floats on the liquid surface, an adjustment area is formed in the barrel body near its inner bottom wall, the counterweight block is located in the adjustment area, the horizontal height of the floating plate is positively correlated with the liquid level, an increase in the horizontal height of the floating plate causes the horizontal height of the counterweight block to decrease, and a decrease in the horizontal height of the counterweight block causes the center of gravity of the barrel body to drop.

[0008] Preferably, the connecting component is arranged in the adjustment area, and the connecting component includes a mounting frame, a first rotating wheel, a second rotating wheel and a first connecting belt. The mounting frame is arranged on the inner wall of the barrel body corresponding to the position of the floating plate. The first rotating wheel and the second rotating wheel are both rotatably connected in the mounting frame, and the second rotating wheel and the first rotating wheel are distributed in sequence along the moving direction of the floating plate. One end of the first connecting belt is connected to the floating plate and the other end is connected to the first rotating wheel, and the first connecting belt is wrapped around the first rotating wheel, and the first connecting belt abuts against the outer periphery of the second rotating wheel; the first rotating wheel releases the first connecting belt to lower the horizontal height of the counterweight block.

[0009] Preferably, a guide rod is rotatably provided on the inner bottom wall of the barrel body along the moving direction of the floating plate, the floating plate is sleeved on the guide rod, and a gap is formed between the floating plate and the guide rod, the cross-section of the floating plate is in the shape of a circular ring, and grooves are provided at equal intervals on the inner wall of the floating plate, and balls are connected to the grooves in a rolling manner, and the outer periphery of the balls outside the grooves abuts against the outer periphery of the guide rod.

[0010] Preferably, a worm is rotatably connected inside the mounting frame, a worm wheel is engaged with the outside of the worm, and the worm is arranged on the mounting frame, a pulley is arranged on the end face of the worm wheel, a second connecting belt is wound around the pulley, and the end of the second connecting belt away from the pulley is connected to the counterweight block; when the horizontal height of the floating plate rises, the first rotating wheel releases the first connecting belt, the pulley releases the second connecting belt, and the horizontal height of the counterweight block is lowered.

[0011] Preferably, a reset member is provided between the guide rod and the worm, and the guide rod rotates to cause the worm to rotate through the reset member; when the guide rod rotates, the line wheel rotates to wrap around the second connecting belt and the horizontal height of the counterweight block rises.

[0012] Preferably, the reset member includes a first connecting disk, a connecting line and a second connecting disk connected in sequence, the first connecting disk is arranged on the outer periphery of the worm, and the second connecting disk is arranged on the outer periphery of the guide rod and close to the bottom wall of the barrel body; when the guide rod rotates, the second connecting disk winds the connecting line and the first connecting disk releases the connecting line.

[0013] Preferably, the number of the counterweight, the floating plate and the guide rod is four, and they are distributed in a rectangular shape in the barrel, the transmission wheel is arranged on the outer periphery of the guide rod and close to the bottom wall of the barrel, the outer side of the transmission wheel is driven connected with the belt, and one end of the guide rod away from the second connecting disc penetrates and extends to the outer side of the barrel.

[0014] Preferably, the guide plate is arranged in the mounting frame along the moving direction of the counterweight, the counterweight is connected with the guide plate, the side close to the guide plate of the counterweight is provided with a connecting block, and the guide hole is arranged on the guide plate along the moving direction of the counterweight.

[0015] Preferably, the side away from the counterweight of the connecting block is provided with a limiting block, and the limiting block is abutted with the side away from the counterweight of the guide plate.

[0016] Preferably, the vertical support plate is arranged on the guide plate corresponding to the position of the counterweight, and the vertical projection of the counterweight falls on the support plate.

[0017] Compared with the prior art, the application has the following beneficial effects: The ton barrel for storing electronic chemicals for semiconductors solves the safety hidden trouble caused by the high center of gravity or instability of the traditional ton barrel in the storage and transportation process by arranging the linkage structure of the floating plate, the connecting assembly and the counterweight in the ton barrel. Specifically, when the liquid level in the barrel rises, the horizontal height of the floating plate rises, and the horizontal height of the counterweight in the adjusting area decreases, thereby effectively reducing the overall center of gravity of the barrel. After the ton barrel is filled with liquid, the center of gravity of the ton barrel can be kept at the ideal position, and the risk of dumping or sliding caused by the high center of gravity of the traditional ton barrel in stacking or transportation is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] The structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limited conditions of the embodiments of the application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the application, should still fall within the scope of the technical content disclosed by the application.

[0020] Figure 1 It is the whole structure schematic diagram of the application; Figure 2 It is the internal structure schematic diagram of the barrel in the application; Figure 3 It is the whole structure schematic diagram of the connecting assembly in the application; Figure 4 It is the split structure schematic diagram of the first runner and the mounting frame in the application; Figure 5 It is the split structure schematic diagram of the first runner and the worm in the application; Figure 6 It is the split structure schematic diagram of the floating plate in the application; Figure 7 It is the connecting structure schematic diagram of the transmission wheel and the belt in the application; Figure 8 It is the split structure schematic diagram of the guide plate and the counterweight in the application; Figure 9 It is the first state structure schematic diagram of the counterweight in the application; Figure 10 It is the second state structure schematic diagram of the counterweight in the application; Figure 11 It is the third state structure schematic diagram of the counterweight in the application.

[0021] Illustration: 1, barrel; 11, adjusting area; 2, floating plate; 21, groove; 22, ball; 23, guide rod; 3, counterweight; 31, connecting block; 32, limiting block; 4, connecting assembly; 41, mounting frame; 42, first runner; 43, second runner; 44, first connecting belt; 45, worm wheel; 46, worm; 47, line wheel; 48, second connecting belt; 49, reset member; 491, first connecting disc; 492, connecting line; 493, second connecting disc; 494, transmission wheel; 495, belt; 5, guide plate; 51, guide hole; 52, support plate. DETAILED DESCRIPTION

[0022] In order to make the application purpose, features and advantages of the application more obvious and easy to understand, the technical solutions in the embodiments of the application will be described clearly and completely below in combination with the drawings in the embodiments of the application. Obviously, the embodiments described below are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the application.

[0023] In the description of the present application, it needs to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a component disposed therebetween.

[0024] Embodiment 1: Please refer to Figures 1 to 11 , a ton barrel for storing electronic chemicals for semiconductors in the embodiment, comprising a floating plate 2, a connecting assembly 4 and a counterweight 3 connected in sequence in the barrel body 1, the barrel body 1 stores liquid, the floating plate 2 floats on the liquid surface, an adjusting area 11 is formed near the inner bottom wall of the barrel body 1, the counterweight 3 is located in the adjusting area 11, the horizontal height of the floating plate 2 is positively correlated with the liquid level, the increase of the horizontal height of the floating plate 2 causes the decrease of the horizontal height of the counterweight 3, and the decrease of the horizontal height of the counterweight 3 causes the center of gravity of the barrel body 1 to drop.

[0025] In application, when it is necessary to fill liquid into the barrel body 1, for example Figure 9 , the counterweight 3 is located at the highest position of the adjusting area 11 and the floating plate 2 is located at the lowest position, when the etching liquid enters the barrel body 1, the liquid level in the barrel body 1 gradually rises, with the rise of the liquid level, the etching liquid in the barrel body 1 causes the floating plate 2 to move, after the floating plate 2 moves, the floating plate 2 causes the counterweight 3 to move downward in the adjusting area 11 under its own gravity through the connecting assembly 4, so that the horizontal height of the counterweight 3 decreases, thereby the center of gravity of the barrel body 1 filled with etching liquid drops.

[0026] It can be known that with the continuous filling of etching liquid in the barrel body 1, the horizontal height of the floating plate 2 continuously rises, the horizontal height of the counterweight 3 dynamically adjusts with the horizontal height of the floating plate 2 and decreases, the counterweight 3 can reduce the mass at the bottom of the barrel body 1 to lower the center of gravity, so as to compensate for the increase of the center of gravity caused by the rise of the liquid level in the barrel body 1, and prevent the barrel body 1 from being unstable and tilting after the etching liquid is filled in.

[0027] It should be noted that with the rise of the liquid level in the barrel body 1, the counterweight 3 can move synchronously with the floating plate 2 to accurately match the liquid level in the barrel body 1; specifically, when the liquid is filled into the barrel body 1 to become a half-barrel state, for example Figure 10 , the liquid level in the barrel body 1 is in the middle of the barrel body 1, the floating plate 2 is also in the middle of the barrel body 1, and the counterweight 3 moves upward with the floating plate 2 to the middle of the adjusting area 11, when the liquid is continuously filled into the barrel body 1 to become a full-barrel state, for example Figure 11As shown, the liquid level in the barrel body 1 is at the top of the barrel body 1 , the floating plate 2 is also at the top of the barrel body 1 , and the counterweight 3 moves to the middle and lower part of the adjustment area 11 as the floating plate 2 rises.

[0028] Furthermore, a guide rod 23 is rotatably provided on the inner bottom wall of the barrel body 1 along the moving direction of the floating plate 2. The floating plate 2 is sleeved on the guide rod 23, and a gap is formed between the floating plate 2 and the guide rod 23. The cross-section of the floating plate 2 is in the shape of a circular ring. Grooves 21 are evenly spaced on the inner wall of the floating plate 2. Balls 22 are rollingly connected in the grooves 21. The outer periphery of the balls 22 outside the grooves 21 abuts against the outer periphery of the guide rod 23.

[0029] During application, after the horizontal height of the floating plate 2 rises due to the liquid level, the floating plate 2 will move on the guide rod 23, and during the movement of the floating plate 2, the ball 22 will move around the outer periphery of the guide rod 23 and within the groove 21; during the movement of the floating plate 2, the friction between the floating plate 2 and the guide rod 23 can be reduced through the gap between the floating plate 2 and the guide rod 23 and the cooperation of the ball 22, so that the floating plate 2 can provide timely feedback after the liquid level rises.

[0030] It can be known that the gap between the float plate 2 and the guide rod 23 can avoid direct contact between the float plate 2 and the guide rod 23, and with the cooperation of the ball 22 and the outer arc surface of the guide rod 23, the contact area between the float plate 2 and the guide rod 23 can be effectively reduced, thereby reducing the friction between the float plate 2 and the guide rod 23 when connected, and thus allowing the float plate 2 to move smoothly when floating up as the liquid level rises.

[0031] It is worth noting that when the barrel body 1 is empty, the counterweight 3 can be placed at the lowest point of the adjustment area 11, such as Figure 11 As shown, the center of gravity of the barrel body 1 can be lowered when it is empty, so as to improve the stability of the empty barrel during transportation. When liquid needs to be poured into the empty barrel, the counterweight block 3 needs to be moved to the highest point of the adjustment area 11 through the connecting component 4, as shown in FIG. Figure 9 As shown, the counterweight 3 lowers its level as the liquid level in the barrel 1 and the level of the floating plate 2 rise, so that the center of gravity of the barrel 1 is balanced.

[0032] It should be emphasized that the above-mentioned floating plate 2, guide rod 23, connecting assembly 4 and counterweight block 3 are all provided with an anti-corrosion coating, which is used to protect the above components from corrosion by etching liquid; in addition, the anti-corrosion coating is well known to those skilled in the art and will not be described in detail in this embodiment.

[0033] Example 2: The basic content is the same as Example 1, except that: See also Figures 3 to 7In this embodiment, the connecting component 4 is arranged in the adjustment area 11, and the connecting component 4 includes a mounting frame 41, a first rotating wheel 42, a second rotating wheel 43 and a first connecting belt 44. The mounting frame 41 is arranged on the inner wall of the barrel body 1 at a position corresponding to the floating plate 2. The first rotating wheel 42 and the second rotating wheel 43 are both rotatably connected in the mounting frame 41, and the second rotating wheel 43 and the first rotating wheel 42 are distributed in sequence along the moving direction of the floating plate 2. One end of the first connecting belt 44 is connected to the floating plate 2 and the other end is connected to the first rotating wheel 42. The first connecting belt 44 is wound around the first rotating wheel 42 and abuts against the outer periphery of the second rotating wheel 43; the first rotating wheel 42 releases the first connecting belt 44 to lower the horizontal height of the counterweight block 3.

[0034] During use, after the floating plate 2 floats up, it will pull the first connecting belt 44, so that the first connecting belt 44 drives the second rotating wheel 43 to rotate, and as the first connecting belt 44 is pulled out, the first rotating wheel 42 will also rotate to release the first connecting belt 44. When the first connecting belt 44 is released, the counterweight block 3 will move downward, thereby causing the center of gravity in the barrel body 1 to move downward.

[0035] It should be noted that the first rotating wheel 42, the second rotating wheel 43 and the floating plate 2 are distributed in sequence, and the outer periphery of the second rotating wheel 43 close to the inner bottom wall of the barrel body 1 is in contact with the first connecting belt 44, and are distributed up and down; the second rotating wheel 43 can restrict the first connecting belt 44, so that the floating plate 2 can effectively rotate by pulling the first rotating wheel 42 through the first connecting belt 44 when floating up.

[0036] Specifically, the mounting frame 41 is a rectangular parallelepiped with a hollow interior and a missing side close to the floating plate 2 . The first connecting belt 44 passes through the notch on the mounting frame 41 and is connected to the floating plate 2 .

[0037] Furthermore, a worm 46 is rotatably connected inside the mounting frame 41, a worm wheel 45 is engaged with the outside of the worm 46, and the worm 46 is arranged on the mounting frame 41, and a pulley 47 is provided on the end face of the worm wheel 45, a second connecting belt 48 is wound around the pulley 47, and the end of the second connecting belt 48 away from the pulley 47 is connected to the counterweight 3; when the horizontal height of the floating plate 2 rises, the first rotating wheel 42 releases the first connecting belt 44, the pulley 47 releases the second connecting belt 48, and the horizontal height of the counterweight 3 is lowered.

[0038] When in use, after the first connecting belt 44 pulls the first rotating wheel 42 to rotate and the first connecting belt 44 is released, the rotating first rotating wheel 42 will cause the worm 46 to rotate. As the worm 46 rotates, the meshing worm wheel 45 will be driven to rotate, and the rotating worm wheel 45 will drive the line wheel 47 to rotate, and the second connecting belt 48 will be released through the line wheel 47, so that the counterweight block 3 moves downward.

[0039] It should be noted that when the meshing worm 46 and worm wheel 45 drive the pulley 47 to release the second connecting belt 48 to allow the counterweight 3 to descend, the cooperation of the worm 46 and worm wheel 45 can lock the downward-moving counterweight 3, so that the rotation of the pulley 47 can only be driven by the worm 46, so as to prevent the counterweight 3 from moving downward by itself under the action of its own gravity.

[0040] Furthermore, a reset member 49 is provided between the guide rod 23 and the worm 46. The guide rod 23 rotates through the reset member 49 to rotate the worm 46; when the guide rod 23 rotates, the pulley 47 rotates to wind the second connecting belt 48, and the horizontal height of the counterweight block 3 rises.

[0041] It should be noted that when the liquid level in the barrel 1 rises to the highest point, the floating plate 2 is also at the highest point. At this time, the counterweight 3 will move down to the lowest point in the adjustment area 11 under the action of the first connecting belt 44 and the second connecting belt 48 to lower the center of gravity of the barrel 1 when it is full. Figure 11 As shown; as the barrel body 1 is drained, the liquid level in the barrel body 1 also decreases, and the floating plate 2 will also decrease accordingly. The counterweight 3 cannot move up in the adjustment area 11 as the floating plate 2 descends due to the cooperation of the worm gear 45 and the worm 46. When the barrel body 1 completes the drainage and needs to be stored for the second time, the counterweight 3 is located at the lowest point of the adjustment area 11 and cannot move down as the floating plate 2 floats. At this time, the guide rod 23 can be rotated and the worm 46 can be rotated in the opposite direction through the reset member 49. When the worm 46 rotates in the opposite direction, the worm gear 45 and the pulley 47 can be rotated in the opposite direction, so that the pulley 47 is wound around the second connecting belt 48. The counterweight 3 is moved to the highest point in the adjustment area 11 again under the winding of the second connecting belt 48, as shown in FIG. Figure 9 As shown, the barrel body 1 can store liquid for the second time.

[0042] It can be known that the rotatable guide rod 23 cooperates with the reset member 49 to drive the worm 46 to rotate, so that the wire wheel 47 is wrapped around the second connecting belt 48 to move the counterweight 3 upward, and the counterweight 3 can be reset quickly and conveniently to facilitate the secondary storage of liquid in the barrel body 1. The reset method is simple and effective, which improves work efficiency.

[0043] It should also be noted that when the floating plate 2 floats up and the first connecting belt 44 rotates the first rotating wheel 42, the worm 46 rotates forward, and the worm wheel 45 causes the pulley 47 to rotate forward to release the second connecting belt 48, causing the counterweight 3 to move downward; when the guide rod 23 rotates through the reset member 49 to rotate the first rotating wheel 42, the worm 46 reverses, and the worm wheel 45 causes the pulley 47 to reverse, causing the second connecting belt 48 to be wound around the pulley 47, causing the counterweight 3 to move upward.

[0044] It is worth noting that when the floating plate 2 moves upward and the worm 46 rotates through the first rotating wheel 42 , the worm 46 rotates the guide rod 23 through the reset member 49 , and the rotating guide rod 23 does not affect the normal movement of the floating plate 2 .

[0045] It should be emphasized that when the floating plate 2 floats up, the density of the etching liquid and the immersed volume of the floating plate 2 can ensure that the buoyancy of the floating plate 2 when floating up can drive the worm 46 to rotate through the first connecting belt 44 and the first rotating wheel 42, and the worm 46 drives the worm wheel 45 to rotate, that is, the buoyancy of the floating plate 2 when floating up can overcome the resistance of the first connecting belt 44, the first rotating wheel 42, the worm 46 and other components during transmission to allow the counterweight block 3 to move effectively.

[0046] Example 3: The basic content is the same as Example 2, except that: See also Figures 3 to 7 The reset member 49 in this embodiment includes a first connecting plate 491, a connecting line 492 and a second connecting plate 493 connected in sequence. The first connecting plate 491 is arranged on the outer periphery of the worm 46, and the second connecting plate 493 is arranged on the outer periphery of the guide rod 23 and close to the inner bottom wall of the barrel body 1; when the guide rod 23 rotates, the second connecting plate 493 is wound around the connecting line 492, and the first connecting plate 491 releases the connecting line 492.

[0047] When in use, the second connecting disk 493 is rotated by rotating the guide rod 23, and the second connecting disk 493 can be wound around the connecting line 492, and the first connecting disk 491 is pulled to rotate through the connecting line 492. When the first connecting disk 491 rotates, the worm 46 is reversed, and the worm 46 is reversed and the pulley 47 is reversed through the worm gear 45, so that the second connecting belt 48 is wound around the pulley 47, and the counterweight block 3 is moved up.

[0048] It should be noted that when the guide rod 23 is reversed, the worm 46 can be reversed through the first connecting plate 491, the connecting line 492 and the second connecting plate 493. The reversed worm 46 drives the first rotating wheel 42 to rotate, and can also wrap around the first connecting belt 44. When the floating plate 2 floats up and pulls the first rotating wheel 42 through the first connecting belt 44 to rotate the worm 46, the worm 46 rotates forward.

[0049] It can be known that, through the rotating guide rod 23, the connecting wire 492 is wound around the second connecting disk 493, so that the connecting wire 492 pulls the first connecting disk 491 to rotate the worm 46. Under the action of the first connecting disk 491, the connecting wire 492 and the second connecting disk 493, the rotating guide rod 23 can easily drive the worm 46 to reverse and reset the counterweight 3. The first connecting disk 491, the connecting wire 492 and the second connecting disk 493 have a simple structure and can effectively transmit.

[0050] The four counterweights 3 are distributed in the barrel 1 in a rectangular shape, which can effectively balance the center of gravity to avoid the problem of the center of gravity deviating due to the deviation of the setting position of the counterweight 3.

[0051] It should be noted that the four counterweights 3 are distributed in the barrel 1 in a rectangular shape, which can effectively balance the center of gravity to avoid the problem of the center of gravity deviating due to the deviation of the setting position of the counterweight 3.

[0052] In application, by rotating the guide rod 23 penetrating to the outside of the barrel 1, the corresponding transmission wheel 494 is rotated, and after the transmission wheel 494 is rotated, the other transmission wheel 494 is rotated through the belt 495, so that the other guide rod 23 is also rotated, and after the guide rod 23 is rotated, the corresponding counterweight 3 of each guide rod 23 can be reset together.

[0053] It can be known that through the cooperation of the transmission wheel 494 and the belt 495, each guide rod 23 can be rotated synchronously, and the corresponding counterweight 3 is moved, and each counterweight 3 is moved synchronously, which can avoid the problem of unstable center of gravity and tilting due to the inconsistent horizontal height of each counterweight 3, and in addition, by driving four counterweights 3 to move synchronously through a guide rod 23, the resetting step of the counterweight 3 can be reduced, thereby improving the work efficiency.

[0054] Embodiment 4: The basic content is the same as that of embodiment 2, except that: Please refer to Figure 8 In the mounting frame 41 in the embodiment, a guide plate 5 is arranged along the moving direction of the counterweight 3, the counterweight 3 is connected with the guide plate 5, the side of the counterweight 3 close to the guide plate 5 is provided with a connecting block 31, the guide plate 5 is provided with a guide hole 51 along the moving direction of the counterweight 3, and the connecting block 31 is slidingly connected in the guide hole 51.

[0055] Specifically, a limiting block 32 is arranged on the side of the connecting block 31 away from the counterweight 3, and the limiting block 32 abuts against the side of the guide plate 5 away from the counterweight 3.

[0056] It should be noted that after the counterweight 3 moves downward, the counterweight 3 is limited by the guide plate 5, which can avoid the problem of the center of gravity deviating in the barrel 1 due to the swinging of the counterweight 3 in the barrel 1 during the carrying of the barrel 1, and the problem of instability and tilting.

[0057] During application, after the counterweight block 3 moves downward, the counterweight block 3 will cause the connecting block 31 to move in the guide hole 51. Through the cooperation between the connecting block 31 and the guide hole 51, the moving counterweight block 3 can be restricted to prevent the counterweight block 3 from deviating from the moving trajectory and swinging in the barrel body 1. When the connecting block 31 moves in the guide hole 51, the limiting block 32 will also move on the side of the guide plate 5 away from the counterweight block 3. Through the cooperation between the limiting block 32 and the connecting block 31, the moving trajectory of the counterweight block 3 can be further restricted, thereby improving the stability of the counterweight block 3 during movement, and further improving the effect of the counterweight block 3 in balancing the center of gravity in the barrel body 1.

[0058] Furthermore, a support plate 52 is vertically provided on the guide plate 5 at a position corresponding to the counterweight 3 , and a vertical projection of the counterweight 3 falls on the support plate 52 .

[0059] It should be noted that the storage time is the longest when the barrel body 1 is in a full barrel state, and the counterweight block 3 is always located at the lowest point of the adjustment area 11. Figure 11 As shown, by providing a support plate 52 on the guide plate 5, the counterweight 3 can be supported when it is at the lowest point, so as to avoid the counterweight 3 being at the lowest point of the adjustment area 11 for a long time, causing long-term stretching to the second connecting belt 48, shortening the service life of the second connecting belt 48, and thereby increasing the service life of the second connecting belt 48.

[0060] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A ton barrel for storing electronic chemicals for semiconductors, characterized in that: The invention comprises a floating plate (2), a connecting assembly (4) and a counterweight (3) which are sequentially connected and arranged in a barrel body (1). Liquid is stored in the barrel body (1), and the floating plate (2) floats on the liquid surface. An adjustment area (11) is formed in the barrel body (1) near the inner bottom wall thereof. The counterweight (3) is located in the adjustment area (11). The horizontal height of the floating plate (2) is positively correlated with the liquid surface height. When the horizontal height of the floating plate (2) increases, the horizontal height of the counterweight (3) decreases. When the horizontal height of the counterweight (3) decreases, the center of gravity of the barrel body (1) decreases.

2. The ton barrel for storing electronic chemicals for semiconductors according to claim 1, characterized in that: The connecting assembly (4) is arranged in the adjustment area (11), and the connecting assembly (4) includes a mounting frame (41), a first rotating wheel (42), a second rotating wheel (43) and a first connecting belt (44). The mounting frame (41) is arranged on the inner wall of the barrel body (1) at a position corresponding to the floating plate (2). The first rotating wheel (42) and the second rotating wheel (43) are both rotatably connected in the mounting frame (41), and the second rotating wheel (43) and the first rotating wheel (42) are sequentially distributed along the moving direction of the floating plate (2). One end of the first connecting belt (44) is connected to the floating plate (2) and the other end is connected to the first rotating wheel (42). The first connecting belt (44) is wound around the first rotating wheel (42) and abuts against the outer periphery of the second rotating wheel (43). The first rotating wheel (42) releases the first connecting belt (44) to lower the horizontal height of the counterweight (3).

3. The ton barrel for storing electronic chemicals for semiconductors according to claim 2, characterized in that: A guide rod (23) is rotatably provided on the inner bottom wall of the barrel body (1) along the moving direction of the floating plate (2). The floating plate (2) is sleeved on the guide rod (23), and a gap is formed between the floating plate (2) and the guide rod (23). The cross-section of the floating plate (2) is in the shape of a circular ring. Grooves (21) are provided at equal intervals on the inner wall of the floating plate (2). Balls (22) are rollingly connected in the grooves (21). The outer periphery of the ball (22) outside the grooves (21) abuts against the outer periphery of the guide rod (23).

4. The ton barrel for storing electronic chemicals for semiconductors according to claim 3, characterized in that: A worm (46) is rotatably connected inside the mounting frame (41), a worm wheel (45) is meshed with the outside of the worm (46), and the worm (46) is arranged on the mounting frame (41). A wire wheel (47) is arranged on the end surface of the worm wheel (45), a second connecting belt (48) is wound around the wire wheel (47), and an end of the second connecting belt (48) away from the wire wheel (47) is connected to the counterweight (3); when the horizontal height of the floating plate (2) rises, the first rotating wheel (42) releases the first connecting belt (44), the wire wheel (47) releases the second connecting belt (48), and the horizontal height of the counterweight (3) is lowered.

5. The ton barrel for storing electronic chemicals for semiconductors according to claim 4, characterized in that: A reset member (49) is provided between the guide rod (23) and the worm (46), and the guide rod (23) rotates through the reset member (49) to rotate the worm (46); when the guide rod (23) rotates, the line wheel (47) rotates to wind the second connecting belt (48), and the horizontal height of the counterweight (3) rises.

6. The ton barrel for storing electronic chemicals for semiconductors according to claim 5, characterized in that: The reset member (49) comprises a first connecting disk (491), a connecting wire (492), and a second connecting disk (493) connected in sequence, wherein the first connecting disk (491) is arranged on the outer periphery of the worm (46), and the second connecting disk (493) is arranged on the outer periphery of the guide rod (23) and close to the inner bottom wall of the barrel body (1); when the guide rod (23) rotates, the second connecting disk (493) is wound around the connecting wire (492), and the first connecting disk (491) releases the connecting wire (492).

7. The ton barrel for storing electronic chemicals for semiconductors according to claim 6, characterized in that: The counterweight (3), floating plate (2) and guide rod (23) are all four in number and are distributed in a rectangular shape in the barrel body (1). A transmission wheel (494) is provided on the outer periphery of the guide rod (23) and near the inner bottom wall of the barrel body (1). A belt (495) is connected to the outer side of the transmission wheel (494). One end of one of the guide rods (23) away from the second connecting plate (493) passes through and extends to the outside of the barrel body (1); the floating plate (2), the second connecting plate (493) and the transmission wheel (494) are distributed on the guide rod in sequence.

8. The ton barrel for storing electronic chemicals for semiconductors according to claim 2, characterized in that: A guide plate (5) is provided in the mounting frame (41) along the moving direction of the counterweight block (3), the counterweight block (3) is connected to the guide plate (5), a connecting block (31) is provided on the side of the counterweight block (3) close to the guide plate (5), a guide hole (51) is opened on the guide plate (5) along the moving direction of the counterweight block (3), and the connecting block (31) is slidably connected in the guide hole (51).

9. The ton barrel for storing electronic chemicals for semiconductors according to claim 8, characterized in that: A limiting block (32) is provided on the side of the connecting block (31) away from the counterweight block (3), and the limiting block (32) abuts against the side of the guide plate (5) away from the counterweight block (3).

10. The ton barrel for storing electronic chemicals for semiconductors according to claim 8, characterized in that: A support plate (52) is vertically provided on the guide plate (5) at a position corresponding to the counterweight (3), and a vertical projection of the counterweight (3) falls on the support plate (52).

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