CN215403057U - Feeding device - Google Patents

Abstract

The utility model relates to a feeding device, which comprises a workbench, a protective cover, a bottle feeding mechanism, a conveying mechanism, an adjusting mechanism, a mechanical arm, a cover opening mechanism and a feeding pipe, wherein the bottle feeding mechanism can be used for placing a source bottle, the conveying mechanism is arranged at the top surface of the workbench and can be used for pushing the source bottle to the conveying mechanism, the conveying mechanism can be used for conveying the source bottle to a first set position in the protective cover, the adjusting mechanism is used for horizontally adjusting the source bottle from the first set position to a second set position, the mechanical arm can be used for grabbing the source bottle from the second set position, the cover opening mechanism comprises a cover opening clamp, the cover opening clamp is arranged in the protective cover and is used for opening the source bottle, the mechanical arm can be used for moving the source bottle to the cover opening mechanism, a feeding port of the feeding pipe is arranged in the protective cover, a discharging port of the feeding pipe is communicated with feeding ports of other devices, in particular to a phosphine generator for fumigation, the mechanical arm can move the source bottle after being opened to the upper part of the feeding port and turn over, to allow the chemical to be poured from the source bottle into the feed tube.

Description

Feeding device

Technical Field

The utility model relates to the technical field of chemical industry, in particular to a feeding device.

Background

The phosphine circulation fumigation technology is an advanced fumigation insecticidal technology at present, and utilizes circulation fumigation equipment to forcibly circulate phosphine gas so as to promote the phosphine gas to be rapidly and uniformly distributed in a grain pile, thereby achieving the purpose of fumigation insecticidal. The phosphine generator is a set of devices for reacting aluminum phosphide raw material with water to generate phosphine gas, the concentration of the generated phosphine gas is adjusted by controlling the amount of the added raw material, and the phosphine generator is one of the most important devices in the circulating fumigation system. At present, a common phosphine generator needs to manually open a cap of an aluminum phosphide source bottle and then pour raw materials in the bottle into a generator bin. According to the different volume and type of granary, 5-20 bottles of aluminum phosphide are needed for single fumigation. In the process of opening the bottle and pouring materials every time, the aluminum phosphide is easy to react with water vapor in the air to generate phosphine gas, the phosphine gas is easy to gather in an operation area, and a small amount of phosphine gas can have serious toxic action on a human body.

Therefore, a charging device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a feeding device which can realize automatic treatment of a chemical feeding process and avoid harm to human bodies.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a charging device, comprising:

a work table;

the protective cover is arranged on the workbench;

the bottle feeding mechanism is arranged on the workbench and outside the protective cover, and can place source bottles;

the conveying mechanism is arranged at the top surface of the workbench, the bottle feeding mechanism can push the source bottles onto the conveying mechanism, and the conveying mechanism can convey the source bottles to a first set position in the protective cover;

an adjustment mechanism disposed within the protective shield, the adjustment mechanism for horizontally adjusting the source vial from the first set position to a second set position;

a robotic arm disposed within the shield, the robotic arm capable of grasping the source vial from the second set position;

the cover opening mechanism comprises a cover opening clamp, the cover opening clamp is arranged in the protective cover and used for opening the cover of the source bottle, and the mechanical arm can move the source bottle to the cover opening mechanism;

the filling tube, the pan feeding mouth of filling tube sets up in the protection casing, the discharge gate of filling tube communicates in the generator, the arm can be with after uncapping the source bottle moves to the top and the upset of pan feeding mouth, so that the chemical is followed the source bottle is emptyd extremely in the filling tube.

Optionally, the source bottle collecting cabin is arranged in the protective cover, and the mechanical arm can move the poured source bottles to the position above the source bottle collecting cabin and release the source bottles.

Optionally, the robotic arm comprises a gripper jaw comprising a gripper jaw for gripping or releasing the source bottle.

Optionally, the clamping jaw further comprises a bottle covering jaw, and the bottle covering jaw can cover the source bottle which is arranged at the bottle opening of the source bottle to seal the source bottle after the source bottle is uncovered, and can be pulled away from the bottle opening.

Optionally, the arm still includes lift driving piece, rotation driving piece and upset driving piece, the transmission of lift driving piece connect in rotation driving piece's output, upset driving piece transmission connect in the output of lift driving piece, clamping jaw transmission connect in the output of upset driving piece.

Optionally, the uncapping mechanism comprises an uncapping clamp and an uncapping driving part, and the uncapping driving part can drive the uncapping clamp to rotate so as to open the bottle cap of the source bottle.

Optionally, the bottle feeding mechanism comprises a bottle pushing plate and a bottle pushing driving piece, and the bottle pushing driving piece can drive the bottle pushing plate to push the source bottles to the conveying mechanism.

Optionally, the bottle feeding mechanism further comprises a rack and a gear which are connected in a meshed mode, the rack is connected to the workbench, and the bottle pushing driving piece can drive the gear to rotate so as to drive the bottle pushing plate to move.

Optionally, the bottle feeding mechanism further comprises a bottle placing box arranged on the workbench, a bottle pushing guide rail is arranged on the side wall of the bottle placing box, a guide protrusion is arranged on the bottle pushing plate, and the guide protrusion is movably arranged in the bottle pushing guide rail.

Optionally, the lifting frame is connected to the bottom surface of the workbench.

The utility model has the beneficial effects that:

according to the feeding device provided by the utility model, a source bottle of chemicals can be placed at the bottle feeding mechanism, the bottle feeding mechanism can automatically push the source bottle onto the conveying mechanism, the conveying mechanism can convey the source bottle to the first set position in the protective cover, the adjusting mechanism can horizontally adjust the source bottle from the first set position to the second set position, the mechanical arm can grab the source bottle from the second set position and move the source bottle to the uncovering mechanism for uncovering, then the mechanical arm moves the uncovered source bottle to the position above the feeding port of the feeding pipe and turns over, the chemicals can be poured into the feeding pipe from the source bottle, the discharging port of the feeding pipe is communicated with the generator, and the automatic feeding process of the generator can be realized. And this feeding device's uncap, the material process of falling all takes place in the protection casing, has effectively hindered harm gas excessive, plays the guard action of feeding process. Therefore, this feeding device can realize the automatic safe processing of the reinforced process of chemicals, avoids dangerous chemicals to cause harm to the human body.

Drawings

FIG. 1 is a schematic structural view of a charging device provided in an embodiment of the present invention;

FIG. 2 is a front perspective view of a charging device provided by an embodiment of the present invention;

FIG. 3 is a top perspective view of a charging device provided by an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a bottle feeding mechanism provided in an embodiment of the present invention;

FIG. 5 is a top view of a bottle feeding mechanism provided by an embodiment of the present invention;

FIG. 6 is a schematic view of a robotic arm according to an embodiment of the present invention in a first operating state;

fig. 7 is a schematic structural diagram of the robot arm in the second working state according to the embodiment of the present invention.

In the figure:

1. a work table;

2. a protective cover; 21. putting the bottle mouth;

3. a bottle feeding mechanism; 31. a bottle pushing plate; 32. a bottle pushing driving member; 33. a rack; 34. a gear; 35. placing a bottle box; 351. a bottle pushing guide rail;

4. a transport mechanism; 41. a conveyor belt;

5. an adjustment mechanism;

6. a mechanical arm; 61. a bottle clamping claw; 62. bottle covering claws; 63. a lifting drive member; 64. a rotary drive member; 65. turning over the driving piece;

7. a cover opening mechanism; 71. opening the cover of the clamp; 72. a lid opening driving member;

8. a feed tube;

9. a source bottle collection chamber;

10. a lifting frame.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

At present, a common phosphine generator needs to manually open a cap of an aluminum phosphide source bottle and then pour raw materials in the bottle into a generator bin. According to the different volume and type of granary, 5-20 bottles of aluminum phosphide are needed for single fumigation. In the process of opening the bottle and pouring materials every time, the aluminum phosphide is easy to react with water vapor in the air to generate phosphine gas, and the concentration of the phosphine gas in an operation area is high, so that the phosphine gas has serious toxic action on a human body. Except that the aluminium phosphide, there is also such problem of other chemicals, and manual operation uncork, the process of falling the material promptly can cause serious harm to the human body, so this embodiment provides a feeding device to realize the automated processing of the reinforced process of chemicals, avoid causing harm to the human body.

As shown in fig. 1-3, the feeding device provided in this embodiment includes a workbench 1, a protective cover 2, a bottle feeding mechanism 3, an adjusting mechanism 5, a mechanical arm 6, a cover opening mechanism 7, a feeding tube 8, a source bottle collecting chamber 9, and a crane 10. Wherein, the source bottle of chemicals can be placed in bottle feeding mechanism 3 department, bottle feeding mechanism 3 can be automatic with source bottle propelling movement to transport mechanism 4 on, transport mechanism 4 can convey the first settlement position department in the protection casing 2 with source bottle, adjustment mechanism 5 sets for position department from first settlement position horizontal adjustment to the second with source bottle again, arm 6 can be followed the second and set for position department and snatch source bottle, and move source bottle to uncap 7 departments of mechanism and uncap, then arm 6 moves the source bottle after uncapping to the top of the pan feeding mouth of filling tube 8 and upset, chemicals can be followed source bottle and emptyd to the filling tube 8 in, the discharge gate of filling tube 8 communicates in the generator, can realize the automatic material conveying process of generator. It should be noted that the generator may be replaced by other devices requiring feeding.

Specifically, the top surface of the work table 1 includes two regions, one region is provided with the bottle feeding mechanism 3, and the other region is covered with the protective cover 2. In order to adapt to the height of the chemical inlet of different reactors, a crane 10 is optionally connected to the bottom of the table 1. In order to facilitate the movement of the charging device, optionally, rollers are provided on the bottom surface of the crane 10.

Send a bottle mechanism 3 and set up on workstation 1, and outside protection casing 2, source bottle can be placed in sending a bottle mechanism 3 department. As shown in fig. 4-5, optionally, the bottle feeding mechanism 3 includes a bottle placing box 35 disposed on the workbench 1, the bottle placing box 35 includes a three-sided sidewall, and the conveying mechanism 4 is disposed at a side where the sidewall is not disposed. The conveying mechanism 4 is arranged at the top surface of the workbench 1, and the bottle feeding mechanism 3 can push the source bottles onto the conveying mechanism 4.

Optionally, the bottle feeding mechanism 3 includes a bottle pushing plate 31 and a bottle pushing driving member 32, and the bottle pushing driving member 32 can drive the bottle pushing plate 31 to push the source bottles onto the conveying mechanism 4. Optionally, the bottle feeding mechanism 3 further comprises a rack 33 and a gear 34 which are engaged with each other, the rack 33 is connected to the workbench 1, and the bottle pushing driving member 32 can drive the gear 34 to rotate so as to drive the bottle pushing plate 31 to move. Namely, the bottle pushing driving member 32 drives the gear 34 to rotate, and the gear 34 is engaged with the rack 33, so that the gear 34 moves along the linear direction of the rack 33, thereby driving the bottle pushing plate 31 to move. The bottle pushing plate 31 pushes the source bottles to move horizontally towards the conveying mechanism 4, when the source bottles are pushed to the conveying mechanism 4, the bottle pushing driving member 32 stops working to wait for the source bottles to be conveyed to the downstream position of the conveying mechanism 4, and then the bottle pushing driving member 32 continues working to push the subsequent source bottles. Optionally, the bottle pushing drive member 32 is a motor. In order to ensure the bottle pushing plate 31 to move smoothly, optionally, a bottle pushing guide 351 is disposed on the sidewall of the bottle placing box 35, and a guide protrusion is disposed on the bottle pushing plate 31, and the guide protrusion is movably disposed in the bottle pushing guide 351. Optionally, bottle pushing guide rails 351 are disposed on the side walls of the bottle placing boxes 35 on the two sides of the bottle pushing plate 31, guide protrusions are disposed on the two sides of the bottle pushing plate 31, and the bottle pushing guide rails 351 can guide the moving process of the bottle pushing plate 31.

Optionally, a plurality of rows of source bottles are placed in the bottle placing box 35, each row has a plurality of source bottles, and one side of the bottle pushing plate 31 contacting the source bottles is provided with a plurality of semicircular curved surfaces to be attached to the source bottles in a row, so that the source bottles are stressed uniformly and move stably in the pushing process. The bottle pushing plate 31 pushes the last row of source bottles to translate towards the conveying mechanism 4, and the source bottles in the next row push the source bottles in the previous row, so that the source bottles in the foremost row are pushed to the conveying mechanism 4. Optionally, the transport mechanism 4 comprises a transport belt 41. One end of the conveyor belt 41 is arranged at the position where the bottle placing box 35 is not provided with the side wall, and the height of the belt surface of the conveyor belt 41 is the same as the height of the position where the inner wall of the bottom surface of the bottle placing box 35 is located, or the height of the belt surface of the conveyor belt 41 is slightly lower than the height of the position where the inner wall of the bottom surface of the bottle placing box 35 is located, so that the source bottles are smoothly pushed onto the conveyor belt 41. In order to transport the source bottles to a first set position within the enclosure 2 in preparation for subsequent uncapping and pouring operations, the other end of the conveyor belt 41 is optionally disposed within the enclosure 2 through the access opening 21 in the side wall of the enclosure 2. The front of the end of the conveyor belt 41 is the first set position.

The feeding device further comprises an adjusting mechanism 5, wherein the adjusting mechanism 5 is arranged in the protective cover 2, and the adjusting mechanism 5 is used for horizontally adjusting the source bottle from a first set position to a second set position so as to be matched with the subsequent work flow of the mechanical arm 6. Optionally, the adjusting mechanism 5 comprises a plurality of concentric gas claws arranged on the workbench 1 in the protective cover 2, and a circular area defined by the initial positions of the plurality of concentric gas claws comprises a first set position, namely the source bottle is positioned in the circular area defined by the initial positions of the plurality of concentric gas claws. The plurality of concentric gas claws are simultaneously closed to the center, so that the source bottle can be pushed to the center position of the plurality of concentric gas claws, and the center position is the second set position.

As shown in fig. 6-7, the loading device further comprises a robot arm 6, the robot arm 6 being arranged within the shield 2, the robot arm 6 being capable of grabbing the source vial from the second set position. Optionally, the robotic arm 6 comprises gripping jaws comprising a bottle gripper jaw 61, the bottle gripper jaw 61 being adapted to grip or release a source bottle. Optionally, the clamping jaws further comprise a cap bottle jaw 62, and the cap bottle jaw 62 can cap the source bottle arranged at the bottle mouth of the source bottle to seal the uncapped source bottle and can be pulled away from the bottle mouth. Optionally, the robot arm 6 further comprises a lifting driving member 63, a rotating driving member 64 and a turning driving member 65, wherein the lifting driving member 63 is connected to the output end of the rotating driving member 64 in a transmission manner, the turning driving member 65 is connected to the output end of the lifting driving member 63 in a transmission manner, and the clamping jaws are connected to the output end of the turning driving member 65 in a transmission manner. I.e. the flip drive 65 can drive the jaws to flip through 180 deg. in order to flip the source bottle from the upright position to the inverted position. The lifting driving piece 63 can drive the clamping jaws to move up and down along the vertical direction, so that the bottle clamping jaws 61 can drive the source bottle to move up and down along the vertical direction. The rotary driving member 64 is disposed below the lifting driving member 63, and the rotary driving member 64 can drive the lifting driving member 63, the turnover driving member 65 and the clamping jaws to rotate, so that the bottle clamping jaws 61 drive the source bottle to rotate.

The feeding device further comprises a cover opening mechanism 7, the cover opening mechanism 7 comprises a cover opening clamp 71, and the cover opening clamp 71 is arranged in the protective cover 2 and used for opening a cover of the source bottle. Alternatively, the door opening mechanism 7 is provided at the top surface of the hood 2. Optionally, the cap opening mechanism 7 further comprises a cap opening driving member 72, and the cap opening driving member 72 can drive the cap opening clamp 71 to rotate so as to open the bottle cap of the source bottle. Alternatively, the center of the second set position and the center of the door opening jig 71 coincide in the vertical direction. That is, after the bottle clamping claw 61 clamps the source bottle from the second set position, the bottle clamping claw 61 can drive the source bottle to move up to the uncapping fixture 71 for uncapping under the driving of the lifting driving member 63. After the source bottle is opened, the bottle clamping claw 61 drives the source bottle to move downwards for a certain distance, and the bottle covering claw 62 moves to enable the plug on the bottle covering claw 62 to cover the bottleneck of the source bottle so as to temporarily seal the source bottle and reduce the contact time of chemicals and air.

This feeding device still includes filling tube 8, and the pan feeding mouth setting of filling tube 8 is in protection casing 2, and the discharge gate of filling tube 8 communicates in the generator, and arm 6 can move the source bottle after uncapping to the top of pan feeding mouth and upset to make the chemicals empty to the filling tube 8 in from the source bottle. Specifically, under the driving of the rotary driving member 64, the clamping jaws drive the source bottle to rotate to the position above the feeding port of the feeding tube 8, and the lifting driving member 63 drives the clamping jaws to a proper height. Then, the turning driving member 65 drives the clamping jaws to drive the source bottle to turn over, so that the mouth of the source bottle faces downwards, the bottle covering jaws 62 are pulled away, and the chemicals can be poured into the feeding pipe 8 from the source bottle.

Optionally, the feeding device further comprises a source bottle collecting cabin 9 arranged in the protective cover 2, and the mechanical arm 6 can move the poured source bottles to the position above the source bottle collecting cabin 9 and release the poured source bottles. As shown in fig. 3, the work table 1 in the shield 2 is provided with a fitting hole, and the source bottle collecting chamber 9 is inserted into the fitting hole. Under the drive of the rotary driving piece 64, the source bottle is driven by the bottle clamping claw 61 to rotate from the upper part of the feeding port of the feeding pipe 8 to the upper part of the source bottle collecting cabin 9, then the source bottle is released by the bottle clamping claw 61, and the source bottle falls into the source bottle collecting cabin 9 under the action of gravity.

According to the feeding device provided by the embodiment, the source bottle of the chemical can be placed at the bottle feeding mechanism 3, the bottle feeding mechanism 3 can automatically push the source bottle to the conveying mechanism 4, the conveying mechanism 4 can convey the source bottle to the first set position in the protective cover 2, and the adjusting mechanism 5 horizontally adjusts the source bottle from the first set position to the second set position. The mechanical arm 6 can grab the source bottle from the second set position, move the source bottle to the uncovering mechanism 7 for uncovering, and then perform temporary sealing treatment on the source bottle. Subsequently, the source bottle after the mechanical arm 6 will uncap the sealed moves to the top of the pan feeding mouth of filling tube 8 and upset, removes the sealed back, and in the chemical can be emptyd to filling tube 8 from the source bottle, the discharge gate of filling tube 8 communicates in the generator, can realize the automatic material conveying process of generator. Finally, the mechanical arm 6 moves the poured source bottles to the upper part of the source bottle collecting cabin 9, and the mechanical arm 6 releases the source bottles to automatically fall into the source bottle collecting cabin 9.

The feeding, uncovering, overturning, pouring and bottle unloading processes of the feeding device are all automatic operations, so that harm of dangerous chemicals to a human body is avoided. And the processes of uncovering, overturning, pouring and unloading the bottle of the feeding device all occur in the protective cover 2, so that the dangerous chemicals can be prevented from overflowing, and surrounding workers are protected from being injured. Therefore, this feeding device can solve the problem that hazardous substance causes harm to the human body in the reinforced in-process of hazardous chemicals, realizes the automatic safe operation of reinforced process.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A charging device, comprising:

a table (1);

the protective cover (2), the said protective cover (2) is set up on the said work level (1);

the bottle feeding mechanism (3) is arranged on the workbench (1), and a source bottle can be placed on the bottle feeding mechanism (3) outside the protective cover (2);

the conveying mechanism (4), the conveying mechanism (4) is arranged at the top surface of the workbench (1), the bottle feeding mechanism (3) can push the source bottles onto the conveying mechanism (4), and the conveying mechanism (4) can convey the source bottles to a first set position in the protective cover (2);

an adjusting mechanism (5), wherein the adjusting mechanism (5) is arranged in the protective cover (2), and the adjusting mechanism (5) is used for horizontally adjusting the source bottle from the first setting position to a second setting position;

a robotic arm (6), said robotic arm (6) disposed within said shield (2), said robotic arm (6) capable of grasping said source vial from said second set position;

the cover opening mechanism (7) comprises a cover opening clamp (71), the cover opening clamp (71) is arranged in the protective cover (2) and used for opening the cover of the source bottle, and the mechanical arm (6) can move the source bottle to the cover opening mechanism (7);

feed tube (8), the pan feeding mouth of feed tube (8) sets up in protection casing (2), the discharge gate of feed tube (8) communicates in the generator, arm (6) can be with after uncapping the source bottle moves to the top of pan feeding mouth and upset, so that the chemical is followed the source bottle is emptyd extremely in feed tube (8).

2. The charging device according to claim 1, characterized in that it further comprises a source bottle collecting chamber (9) arranged inside said protective hood (2), said mechanical arm (6) being able to move the poured source bottles above said source bottle collecting chamber (9) and to release them.

3. The charging device according to claim 1, characterized in that said robot arm (6) comprises gripping jaws comprising a bottle gripping jaw (61), said bottle gripping jaw (61) being adapted to grip or release said source bottle.

4. A charging device according to claim 3, characterized in that said gripping jaws further comprise a cap bottle jaw (62), said cap bottle jaw (62) being capable of capping said source bottle after it has been uncapped, at its mouth, and of being extracted from said mouth.

5. The charging device according to claim 3, characterized in that said robot arm (6) further comprises a lifting drive member (63), a rotating drive member (64) and a turning drive member (65), said lifting drive member (63) being drivingly connected to the output end of said rotating drive member (64), said turning drive member (65) being drivingly connected to the output end of said lifting drive member (63), and said gripping jaws being drivingly connected to the output end of said turning drive member (65).

6. The charging device according to claim 1, characterized in that said cap opening mechanism (7) further comprises a cap opening driving member (72), said cap opening driving member (72) being capable of driving said cap opening jig (71) to rotate so as to open the cap of said source bottle.

7. The charging device according to claim 1, characterized in that said bottle-feeding mechanism (3) comprises a bottle-pushing plate (31) and a bottle-pushing driving member (32), said bottle-pushing driving member (32) being capable of driving said bottle-pushing plate (31) to push said source bottles onto said transfer mechanism (4).

8. The charging device according to claim 7, characterized in that said bottle-feeding mechanism (3) further comprises a rack (33) and a gear (34) which are engaged, said rack (33) is connected to said work table (1), said bottle-pushing driving member (32) can drive said gear (34) to rotate so as to drive said bottle-pushing plate (31) to move.

9. The charging device according to claim 7, characterized in that the bottle feeding mechanism (3) further comprises a bottle placing box (35) arranged on the workbench (1), a bottle pushing guide rail (351) is arranged on the side wall of the bottle placing box (35), and a guide protrusion is arranged on the bottle pushing plate (31), and is movably arranged in the bottle pushing guide rail (351).

10. The charging device according to any one of claims 1 to 9, characterized by further comprising a crane (10), said crane (10) being connected to the bottom surface of said work table (1).

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