阅读说明：本技术 一种精确度高的电子称重设备 (Electronic weighing equipment that accuracy is high ) 是由 王慧芝 于 2020-06-19 设计创作，主要内容包括：本发明涉及一种精确度高的电子称重设备,包括主体和称重板,所述称重板水平设置在主体的上方,所述主体内设有称重装置,所述称重板与称重装置连接,所述称重板与主体之间设有间隙,所述称重板上设有清洁机构和辅助机构,所述清洁机构包括连接板和两个清洁组件,所述清洁组件包括导杆、连接块、第一弹簧、齿条、转动齿轮、传动轴、轴承、扇叶、固定管和导孔,所述辅助机构包括辅助组件和两个移动组件,该精确度高的电子称重设备通过清洁机构实现了清除杂质的功能,防止杂质影响称重的精确度,不仅如此,还通过辅助机构提高了球状物品放置的稳定性。(The invention relates to high-precision electronic weighing equipment which comprises a main body and a weighing plate, wherein the weighing plate is horizontally arranged above the main body, a weighing device is arranged in the main body, the weighing plate is connected with the weighing device, a gap is arranged between the weighing plate and the main body, a cleaning mechanism and an auxiliary mechanism are arranged on the weighing plate, the cleaning mechanism comprises a connecting plate and two cleaning assemblies, each cleaning assembly comprises a guide rod, a connecting block, a first spring, a rack, a rotating gear, a transmission shaft, a bearing, a fan blade, a fixed pipe and a guide hole, the auxiliary mechanism comprises an auxiliary assembly and two moving assemblies, the high-precision electronic weighing equipment realizes the function of removing impurities through the cleaning mechanism, the weighing precision is prevented from being influenced by the impurities, and the placing stability of spherical articles is improved through the auxiliary mechanism.)

1. An electronic weighing device with high accuracy comprises a main body (1) and a weighing plate (2), wherein the weighing plate (2) is horizontally arranged above the main body (1), a weighing device is arranged in the main body (1), the weighing plate (2) is connected with the weighing device, and a gap is formed between the weighing plate (2) and the main body (1), and is characterized in that a cleaning mechanism and an auxiliary mechanism are arranged on the weighing plate (2);

the cleaning mechanism comprises a connecting plate (3) and two cleaning components, the connecting plate (3) is parallel to the weighing plate (2) and is positioned on one side of the weighing plate (2) far away from the main body (1), a gap is formed between the connecting plate (3) and the weighing plate (2), and the two cleaning components are respectively arranged on two sides of the weighing plate (2);

the cleaning assembly comprises a guide rod (4), a connecting block (5), a first spring (6), a rack (7), a rotating gear (8), a transmission shaft (9), a bearing (10), fan blades (11), a fixed pipe (12) and a guide hole, wherein the guide hole is formed in the weighing plate (2), the guide rod (4) is perpendicular to the weighing plate (2), the guide rod (4) penetrates through the guide hole and is in sliding connection with the inner wall of the guide hole, the top end of the guide rod (4) is fixed to the bottom of the connecting plate (3), the connecting block (5) is fixed to the bottom end of the guide rod (4), a gap is formed between the connecting block (5) and the main body (1), the first spring (6) is located between the connecting block (5) and the weighing plate (2), the connecting block (5) is connected with the weighing plate (2) through the first spring (6), the fixed pipe (12) is parallel to the weighing plate (2) and is fixed to the top of the connecting plate, the fan blades (11) and the bearings (10) are located in the fixed pipe (12), the transmission shaft (9) and the fixed pipe (12) are coaxially arranged, the connecting plate (3) is located between the two racks (7), the racks (7) are fixedly connected with the weighing plate (2), the rotating gear (8) is installed at one end of the transmission shaft (9) and meshed with the racks (7), the fan blades (11) are installed at the other end of the transmission shaft (9), the inner rings of the bearings (10) are installed on the transmission shaft (9), and the outer rings of the bearings (10) are fixedly connected with the inner wall of the fixed pipe (12);

the auxiliary mechanism comprises an auxiliary assembly and two moving assemblies, the moving assemblies correspond to the guide rods (4) one by one and are positioned between the two guide rods (4), the moving assemblies are positioned between the connecting plate (3) and the weighing plate (2), and the auxiliary assembly is positioned between the two moving assemblies;

the auxiliary assembly comprises an auxiliary pipe (13), a moving disc (14), a second spring (15) and a mounting hole, the mounting hole is formed in the connecting plate (3), the auxiliary pipe (13) is perpendicular to the weighing plate (2), the top end of the auxiliary pipe (13) is inserted into the mounting hole, the auxiliary pipe (13) is hermetically and fixedly connected with the inner wall of the mounting hole, the moving disc (14) is arranged in the auxiliary pipe (13) and is coaxial with the auxiliary pipe (13), the moving disc (14) is connected with the inner wall of the auxiliary pipe (13) in a sliding and sealing mode, and the bottom of the moving disc (14) is connected with the bottom end of the auxiliary pipe (13) through the second spring (15);

the moving assembly comprises a sliding block (16), a fixed rod (17), a connecting rod (18), a connecting line (19) and a fixed pulley (20), the fixed rod (17) is parallel to the weighing plate (2), the axis of the fixed rod (17) is perpendicular to and intersected with the axis of the guide rod (4), two ends of the fixed rod (17) are fixed to the bottom of the connecting plate (3), the sliding block (16) is sleeved on the fixed rod (17), the sliding block (16) is hinged to the top of the weighing plate (2) through the connecting rod (18), the connecting rod (18) is obliquely arranged, and the distance between the axis of the connecting rod (18) and the axis of the auxiliary pipe (13) is larger than the distance between the other end of the connecting rod (18) and the axis of the auxiliary pipe (13).

2. High-precision electronic weighing device according to claim 1, characterised in that the inner wall of said auxiliary tube (13) is coated with a sealing grease.

3. High-precision electronic weighing device according to claim 1, characterised in that the guide rods (4) are coated with a lubricating oil.

4. High-precision electronic weighing device according to claim 1, characterised in that the guide rods (4) are chamfered at both ends.

5. High-precision electronic weighing device according to claim 1, characterised in that the top of the connection plate (3) is provided with anti-slip threads.

6. The electronic weighing apparatus with high precision according to claim 1, wherein the fixing rod (17) is provided with an anti-corrosion zinc plating layer.

7. High accuracy electronic weighing device according to claim 1, characterised in that the connection line (19) is a wire rope.

8. High-precision electronic weighing device according to claim 1, characterised in that the impurity gears of the connection plate (3) are rubber.

9. Electronic weighing device with high precision according to claim 1, characterised in that said body (1) is provided with at least three suction cups (21), said suction cups (21) being evenly distributed on the bottom of the body (1).

10. High-precision electronic weighing device according to claim 1, characterised in that acoustic panels (22) are mounted in both of the fixed tubes (12).

Technical Field

The invention relates to the field of weighing machines, in particular to an electronic weighing device with high accuracy.

Background

A weighing apparatus is used for measuring the mass of an object by using Hooke's law or the principle of lever balance of force. The weighing apparatus is mainly composed of a bearing system, a force transmission and conversion system and a value indicating system. Weighing apparatus can be divided into mechanical scale, electronic scale and electromechanical combination scale according to the structure principle.

The existing electronic scale is easy to drop impurities on the electronic scale during use, the impurities can influence the weighing accuracy, the practicability is reduced, and moreover, when a spherical object is weighed, the spherical object is easy to roll, and the weighing accuracy and stability of the spherical object can be influenced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, an electronic weighing device with high accuracy is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an electronic weighing device with high accuracy comprises a main body and a weighing plate, wherein the weighing plate is horizontally arranged above the main body, a weighing device is arranged in the main body, the weighing plate is connected with the weighing device, a gap is formed between the weighing plate and the main body, and a cleaning mechanism and an auxiliary mechanism are arranged on the weighing plate;

the cleaning mechanism comprises a connecting plate and two cleaning components, the connecting plate is parallel to the weighing plate and is positioned on one side of the weighing plate far away from the main body, a gap is formed between the connecting plate and the weighing plate, and the two cleaning components are respectively arranged on two sides of the weighing plate;

the cleaning assembly comprises a guide rod, a connecting block, a first spring, racks, a rotating gear, a transmission shaft, a bearing, a fan blade, a fixed pipe and a guide hole, wherein the guide hole is formed in the weighing plate, the guide rod is perpendicular to the weighing plate, the guide rod penetrates through the guide hole and is in sliding connection with the inner wall of the guide hole, the top end of the guide rod is fixed at the bottom of the connecting plate, the connecting block is fixed at the bottom end of the guide rod, a gap is formed between the connecting block and the main body, the first spring is located between the connecting block and the weighing plate, the connecting block is connected with the weighing plate through the first spring, the fixed pipe is parallel to the weighing plate and is fixed at the top of the connecting plate, the fan blade and the bearing are both located in the fixed pipe, the transmission shaft and the fixed pipe are coaxially arranged, the connecting plate is located between the two, the fan blades are arranged at the other end of the transmission shaft, the inner ring of the bearing is arranged on the transmission shaft, and the outer ring of the bearing is fixedly connected with the inner wall of the fixed pipe;

the auxiliary mechanism comprises an auxiliary assembly and two moving assemblies, the moving assemblies correspond to the guide rods one by one and are positioned between the two guide rods, the moving assemblies are positioned between the connecting plate and the weighing plate, and the auxiliary assembly is positioned between the two moving assemblies;

the auxiliary assembly comprises an auxiliary pipe, a moving disc, a second spring and a mounting hole, the mounting hole is formed in the connecting plate, the auxiliary pipe is perpendicular to the weighing plate, the top end of the auxiliary pipe is inserted into the mounting hole, the auxiliary pipe is hermetically and fixedly connected with the inner wall of the mounting hole, the moving disc is arranged in the auxiliary pipe and is coaxial with the auxiliary pipe, the moving disc is connected with the inner wall of the auxiliary pipe in a sliding and sealing mode, and the bottom of the moving disc is connected with the bottom end of the auxiliary pipe through the second spring;

the movable assembly comprises a sliding block, a fixed rod, a connecting wire and a fixed pulley, the fixed rod is parallel to the weighing plate, the axis of the fixed rod is perpendicular to and intersected with the axis of the guide rod, two ends of the fixed rod are fixed to the bottom of the connecting plate, the sliding block is sleeved on the fixed rod, the sliding block is hinged to the top of the weighing plate through the connecting rod, the connecting rod is arranged in an inclined mode, and the distance between the axis of the connecting rod and the axis of the auxiliary pipe is larger than the distance between the other end of the connecting rod and the axis of the.

Preferably, in order to reduce a gap between the inner wall of the auxiliary tube and the moving plate, the inner wall of the auxiliary tube is coated with a sealing grease.

Preferably, the guide bar is coated with a lubricating oil in order to reduce friction between the guide bar and the inner wall of the guide hole.

Preferably, in order to facilitate the installation of the guide rod, both ends of the guide rod are provided with chamfers.

Preferably, in order to improve stability, the top of the connecting plate is provided with anti-slip lines.

Preferably, in order to prolong the service life of the fixing rod, an anti-corrosion zinc coating is arranged on the fixing rod.

Preferably, the connection line is a steel wire rope in order to improve the reliability of the connection line.

Preferably, in order to improve the buffering effect, the impurity gear of the connecting plate is rubber.

Preferably, in order to improve the stability of the main body, at least three suckers are arranged on the main body and are uniformly distributed at the bottom of the main body.

Preferably, sound absorbing panels are mounted in both of the fixed tubes for noise reduction.

The electronic weighing equipment with high accuracy has the advantages that the function of removing impurities is realized through the cleaning mechanism, the influence of the impurities on the weighing accuracy is prevented, compared with the existing cleaning mechanism, the cleaning mechanism can also realize the buffering and vibration reduction effects, meanwhile, through calculation, the connecting block can be abutted against the main body during the overload period of the equipment, the damage of the equipment due to overload can be prevented, the practicability is higher, in addition, the placing stability of spherical objects is improved through the auxiliary mechanism, compared with the existing auxiliary mechanism, the auxiliary mechanism takes the gravity of the objects as the driving force, and the electronic weighing equipment is more environment-friendly and energy-saving.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the high accuracy electronic weighing apparatus of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of the cleaning assembly of the high precision electronic weighing apparatus of the present invention;

FIG. 4 is a schematic view of the structure of the auxiliary mechanism of the high-precision electronic weighing apparatus of the present invention;

in the figure: 1. the main body, 2, a weighing plate, 3, a connecting plate, 4, a guide rod, 5, a connecting block, 6, a first spring, 7, a rack, 8, a rotating gear, 9, a transmission shaft, 10, a bearing, 11, a fan blade, 12, a fixed pipe, 13, an auxiliary pipe, 14, a movable disc, 15, a second spring, 16, a sliding block, 17, a fixed rod, 18, a connecting rod, 19, a connecting wire, 20, a fixed pulley, 21, a sucker and 22, and the sound absorption plate.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-3, an electronic weighing apparatus with high accuracy comprises a main body 1 and a weighing plate 2, wherein the weighing plate 2 is horizontally arranged above the main body 1, a weighing device is arranged in the main body 1, the weighing plate 2 is connected with the weighing device, a gap is arranged between the weighing plate 2 and the main body 1, and a cleaning mechanism and an auxiliary mechanism are arranged on the weighing plate 2;

the cleaning mechanism comprises a connecting plate 3 and two cleaning components, the connecting plate 3 is parallel to the weighing plate 2 and is positioned on one side of the weighing plate 2, which is far away from the main body 1, a gap is arranged between the connecting plate 3 and the weighing plate 2, and the two cleaning components are respectively arranged on two sides of the weighing plate 2;

the cleaning assembly comprises a guide rod 4, a connecting block 5, a first spring 6, racks 7, a rotating gear 8, a transmission shaft 9, a bearing 10, a fan blade 11, a fixed pipe 12 and a guide hole, wherein the guide hole is formed in the weighing plate 2, the guide rod 4 is perpendicular to the weighing plate 2, the guide rod 4 penetrates through the guide hole and is in sliding connection with the inner wall of the guide hole, the top end of the guide rod 4 is fixed at the bottom of the connecting plate 3, the connecting block 5 is fixed at the bottom end of the guide rod 4, a gap is formed between the connecting block 5 and the main body 1, the first spring 6 is positioned between the connecting block 5 and the weighing plate 2, the connecting block 5 is connected with the weighing plate 2 through the first spring 6, the fixed pipe 12 is parallel to the weighing plate 2 and is fixed at the top of the connecting plate 3, the fan blade 11 and the bearing 10 are both positioned in the fixed pipe 12, the transmission shaft 9, the rack 7 is fixedly connected with the weighing plate 2, the rotating gear 8 is arranged at one end of a transmission shaft 9 and is meshed with the rack 7, the fan blade 11 is arranged at the other end of the transmission shaft 9, the inner ring of the bearing 10 is arranged on the transmission shaft 9, and the outer ring of the bearing 10 is fixedly connected with the inner wall of a fixed pipe 12;

placing an article on the top of a connecting plate 3, enabling a weighing plate 2 to be subjected to the action of gravity, realizing weighing through a weighing device, enabling the connecting plate 3 to drive a guide rod 4 to move towards the direction close to a main body 1 under the action of gravity, enabling a first spring 6 to stretch, enabling the connecting plate 3 to move through a fixed pipe 12, a bearing 10 and a transmission shaft 9 to drive a rotating gear 8 to synchronously move on a rack 7, enabling the rotating gear 8 to drive the transmission shaft 9 to rotate under the supporting action of the bearing 10, enabling the transmission shaft 9 to rotate to drive fan blades 11 to rotate, enabling air in the fixed pipe 12 to be discharged from one end close to the rack 7, after weighing is finished, removing the article from the connecting plate 3, enabling a connecting block 5 to drive the guide rod 4 to reset under the elastic action of the first spring 6, enabling the connecting plate 3 to reset through the resetting of the guide rod 4, and enabling the rotating gear 8 to reversely move on the rack 7 at the, can make flabellum 11 antiport to make the reverse discharge of air in the fixed pipe 12, can make impurity on the connecting plate 3 and connecting plate 3 separation under the effect of air current, realized the function of clean connecting plate 3, prevent that impurity from influencing the accuracy of weighing, here, can also realize the function of buffering and damping through the elastic action of first spring 6, played the effect of protection article, and, through calculating, can make this equipment overload in the period connecting block 5 support with main part 1 and lean on, can prevent this equipment because of overloading and damage.

As shown in fig. 4, the auxiliary mechanism comprises an auxiliary assembly and two moving assemblies, the moving assemblies correspond to the guide rods 4 one by one and are positioned between the two guide rods 4, the moving assemblies are positioned between the connecting plate 3 and the weighing plate 2, and the auxiliary assembly is positioned between the two moving assemblies;

the auxiliary assembly comprises an auxiliary pipe 13, a moving disc 14, a second spring 15 and a mounting hole, the mounting hole is formed in the connecting plate 3, the auxiliary pipe 13 is perpendicular to the weighing plate 2, the top end of the auxiliary pipe 13 is inserted into the mounting hole, the auxiliary pipe 13 is hermetically and fixedly connected with the inner wall of the mounting hole, the moving disc 14 is arranged in the auxiliary pipe 13 and is coaxially arranged with the auxiliary pipe 13, the moving disc 14 is connected with the inner wall of the auxiliary pipe 13 in a sliding and sealing mode, and the bottom of the moving disc 14 is connected with the bottom end of the auxiliary pipe 13 through the second spring 15;

the moving assembly comprises a sliding block 16, a fixed rod 17, a connecting rod 18, a connecting line 19 and a fixed pulley 20, the fixed rod 17 is parallel to the weighing plate 2, the axis of the fixed rod 17 is perpendicular to and intersected with the axis of the guide rod 4, two ends of the fixed rod 17 are fixed to the bottom of the connecting plate 3, the sliding block 16 is sleeved on the fixed rod 17, the sliding block 16 is hinged to the top of the weighing plate 2 through the connecting rod 18, the connecting rod 18 is arranged in an inclined mode, and the distance between the axis of the connecting rod 18 and the axis of the auxiliary pipe 13 is larger than the distance between the other end of the connecting rod 18 and the axis of the.

The spherical articles are placed on the connecting plate 3 and are abutted against the top end of the auxiliary pipe 13, the effect of blocking the auxiliary pipe 13 can be realized through the articles, the effect of stabilizing the spherical articles can be realized through the auxiliary pipe 13, the distance between the connecting plate 3 and the weighing plate 2 is reduced under the action of gravity, the slide block 16 is pushed by the connecting rod 18 to move on the fixed rod 17 towards the direction far away from the axis of the auxiliary pipe 13, the moving of the slide block 16 pulls the moving disc 14 to move towards the direction close to the weighing plate 2 through the connecting wire 19, the second spring 15 is compressed, the air pressure in the auxiliary pipe 13 can be reduced through the movement of the moving disc 14 towards the direction close to the weighing plate 2, so that the auxiliary pipe 13 can adsorb the spherical articles, the stability of the spherical articles can be improved, when the spherical articles need to be taken off from the auxiliary pipe 13, the spherical articles are lifted, and the adsorption acting force between the auxiliary pipe 13 and the spherical articles is, the connecting plate 3 is moved towards the direction far away from the weighing plate 2, the connecting rod 18 drives the sliding block 16 to reset, the resetting of the sliding block 16 enables the connecting line 19 to be loosened, the moving disk 14 is reset under the elastic action of the second spring 15, the air pressure in the auxiliary tube 13 is recovered, and then the spherical object can be separated from the auxiliary tube 13.

Preferably, in order to reduce the gap between the inner wall of the auxiliary tube 13 and the moving plate 14, the inner wall of the auxiliary tube 13 is coated with a sealing grease.

The sealing grease has the function of reducing the gap between the inner wall of the auxiliary tube 13 and the movable plate 14, and the sealing performance is improved.

Preferably, the guide rod 4 is coated with a lubricating oil in order to reduce the frictional force between the guide rod 4 and the inner wall of the guide hole.

The lubricating oil has the function of reducing the friction force between the guide rod 4 and the inner wall of the guide hole, and the moving fluency of the guide rod 4 is improved.

Preferably, in order to facilitate the installation of the guide rod 4, both ends of the guide rod 4 are provided with chamfers.

The chamfer has the effect of reducing the caliber of the guide rod 4 when passing through the guide hole, and is convenient to mount.

Preferably, the top of the connecting plate 3 is provided with anti-slip lines for improving stability.

When the article was placed at the top of connecting plate 3, can promote the frictional force between connecting plate 3 and the article through anti-skidding line, prevent to skid, improved stability.

Preferably, in order to prolong the service life of the fixing rod 17, the fixing rod 17 is provided with an anti-corrosion zinc coating.

The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of dead lever 17, prolongs the life of dead lever 17.

Preferably, the connection line 19 is a wire rope in order to improve the reliability of the connection line 19.

The steel wire rope has the characteristics of high strength, difficulty in breaking and the like, so that the reliability of the connecting wire 19 can be improved.

Preferably, in order to improve the buffering effect, the impurity gear of the connecting plate 3 is rubber.

The rubber texture is comparatively soft, can reduce the impact force that produces when article and connecting plate 3 contact, has promoted buffering effect.

Preferably, in order to improve the stability of the main body 1, at least three suction cups 21 are arranged on the main body 1, and the suction cups 21 are uniformly distributed on the bottom of the main body 1.

The main body 1 can be adsorbed on the installation position such as the ground by the suction cup 21, and the stability of the main body 1 is improved.

Preferably, sound absorbing panels 22 are mounted within both stationary tubes 12 for noise reduction.

The sound-absorbing plate 22 functions to absorb noise in the stationary pipe 12, and noise reduction is achieved.

Placing an article on the top of a connecting plate 3, enabling a weighing plate 2 to be subjected to the action of gravity, realizing weighing through a weighing device, enabling the connecting plate 3 to drive a guide rod 4 to move towards the direction close to a main body 1 under the action of gravity, enabling a first spring 6 to stretch, enabling the connecting plate 3 to move through a fixed pipe 12, a bearing 10 and a transmission shaft 9 to drive a rotating gear 8 to synchronously move on a rack 7, enabling the rotating gear 8 to drive the transmission shaft 9 to rotate under the supporting action of the bearing 10, enabling the transmission shaft 9 to rotate to drive fan blades 11 to rotate, enabling air in the fixed pipe 12 to be discharged from one end close to the rack 7, after weighing is finished, removing the article from the connecting plate 3, enabling a connecting block 5 to drive the guide rod 4 to reset under the elastic action of the first spring 6, enabling the connecting plate 3 to reset through the resetting of the guide rod 4, and enabling the rotating gear 8 to reversely move on the rack 7 at the, namely, the fan blades 11 can be rotated reversely, so that the air in the fixed pipe 12 is discharged reversely, the impurities on the connecting plate 3 can be separated from the connecting plate 3 under the action of the air flow, the function of cleaning the connecting plate 3 is realized, the influence of the impurities on the weighing accuracy is prevented, here, the functions of buffering and vibration damping can be realized through the elastic action of the first spring 6, the effect of protecting the objects is achieved, moreover, through calculation, the connecting block 5 can be abutted against the main body 1 during the overload of the equipment, namely, the damage of the equipment caused by overload can be prevented, and when the shape of the objects is spherical, the spherical objects are placed on the connecting plate 3 and abutted against the top end of the auxiliary pipe 13, the effect of blocking the auxiliary pipe 13 can be realized through the objects, in addition, the effect of stabilizing the spherical objects can be realized through the auxiliary pipe 13, the distance between the connecting plate 3 and the weighing plate 2 is reduced under the action of gravity, the slide block 16 is pushed to move towards the direction far away from the axis of the auxiliary pipe 13 on the fixed rod 17 through the connecting rod 18, the movement of the slide block 16 pulls the movable disk 14 to move towards the direction close to the weighing plate 2 through the connecting line 19, meanwhile, the second spring 15 is compressed, the air pressure in the auxiliary pipe 13 can be reduced through the movement of the movable disk 14 towards the direction close to the weighing plate 2, so that the auxiliary pipe 13 can adsorb spherical articles, namely, the stability of the spherical articles can be improved, when the spherical articles need to be taken off from the auxiliary pipe 13, the spherical articles are lifted, the connecting plate 3 moves towards the direction far away from the weighing plate 2 through the adsorption acting force between the auxiliary pipe 13 and the spherical articles, the slide block 16 is driven to reset through the connecting rod 18, the reset of the slide block 16 enables the connecting line 19 to be released, meanwhile, the movable disk 14 is reset under the elastic action of the second spring 15, and the air pressure in, i.e. the spherical object can be separated from the auxiliary tube 13.

Compared with the prior art, the electronic weighing device that this accuracy is high has realized the function of cleaing away impurity through clean mechanism, prevent that impurity influence from weighing the accuracy, compare with current clean mechanism, this clean mechanism can also realize the effect of buffering and damping, and simultaneously, through calculating, can make this equipment overload in the period connecting block 5 support with main part 1 and lean on, can prevent this equipment to damage because of overloading, the practicality is stronger, moreover, still improved the stability that globular article were placed through complementary unit, compare with current complementary unit, this complementary unit passes through article self gravity and regards as drive power, environmental protection and energy saving more.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.