A feeding device for the production of acrylic resin coatings

Abstract

The present invention relates to the technical field of feeding devices, and discloses a feeding device for the production of acrylic resin coatings, including a bottom plate. A spraying device is fixedly connected to the top of the bottom plate. The feeding device further includes: an operating mechanism, the operating mechanism includes a base fixedly connected to the top of the bottom plate, a track is fixedly connected to the top of the base, a motor is fixedly connected to the outer wall of the base, a conveyor belt is fixedly connected to one end of the top of the track away from the motor, and a connecting plate one is fixedly connected to the inner wall of the base. By setting the operating mechanism, the materials to be added to the stirring barrel are added separately. Whenever the placing component moves under one of the spray nozzles of the spraying device, the corresponding raw material will be sprayed into the stirring barrel. After the raw materials are put in, the stirring barrel will be automatically moved under the subsequent spray nozzles. This setting can effectively improve the feeding efficiency of the equipment, reduce the participation of manual labor, and improve the automation degree of the equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of feeding devices, and in particular to a feeding device for the production of acrylic resin coatings. Background Art

[0002] Acrylic resin coatings are synthetic resin coatings with acrylic resin as the main film-forming substance. Acrylic acid is used as the main film-forming agent, and chlorosulfonated polyethylene rubber with excellent weather resistance and corrosion resistance is used as the main modifier, making the coating have better weather resistance and light retention, good color retention, and can maintain the original color for a long time. It can be used outdoors for a long time without fading or chalking easily. The coating has excellent chemical resistance, water resistance, alkali resistance, salt resistance, seawater resistance, oil resistance, and anti-aging performance, and can effectively protect the coated object from the erosion of various chemical substances and environmental factors.

[0003] The patent application with the application number CN202122579018.X discloses a feeding device for the production of acrylic resin coatings, including a feeding barrel. An inlet is opened at the upper end of the feeding barrel, and a feeding device is arranged on the feeding barrel. The feeding device includes a support plate fixedly connected to the feeding barrel, a feeding plate rotatably connected to the support plate through a first rotating shaft, a driving plate rotatably connected to the feeding plate, a driving rod rotatably connected to the driving plate, and a rotating motor for driving the driving rod to rotate. The driving plates are symmetrically arranged at both ends of the feeding plate, realizing the feeding efficiency of acrylic paint raw materials, thereby reducing the workload of workers and ensuring the work efficiency of workers.

[0004] When the existing equipment is in use, a certain amount of raw materials are first poured into an iron barrel for coating production. Each time of feeding requires manual movement of the position of the iron barrel to facilitate subsequent processing. The degree of automation of its feeding procedure is low, which is not conducive to the production of coatings. Summary of the Invention

[0005] The purpose of the present invention is to provide a feeding device for the production of acrylic resin coatings to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the present invention provides the following technical solution: A feeding device for the production of acrylic resin coatings, including a bottom plate, and a spraying device fixedly connected to the top of the bottom plate. It further includes:

[0007] Operating mechanism, the operating mechanism includes a base fixedly connected to the top of the base plate, a track is fixedly connected to the top of the base, a motor is fixedly connected to the outer wall of the base, and a conveyor belt is fixedly connected to one end of the track away from the motor. By setting the conveyor belt, as the mixing barrel completes the addition of raw materials, it will be pushed to the terminal of the track under the drive of the adjustment component. At this time, the conveyor belt at the terminal of the track will drive the placement component to move through the friction on the surface, so that the placement component drives the mixing barrel to move along the track to the subsequent processing track, canceling the manual transfer process and improving the automation degree of the equipment. A connecting plate one is fixedly connected to the inner wall of the base, and the output end of the motor is fixedly connected to a threaded column. The threaded column rotated by the motor provides power for the movement of the adjustment component. The end of the threaded column away from the motor is rotatably connected to the connecting plate one through a bearing. A placement component is movably connected to the top of the track, and a notch is opened at the top of the track. By setting the notch, space is provided for the movement of the adjustment component. A round hole one is opened at the top of the track, and an adjustment component is fixedly connected to the inner wall of the base. By setting the operating mechanism, the materials to be added to the mixing barrel are added separately. Whenever the placement component moves under one of the spray nozzles of the spraying device, the corresponding raw materials will be sprayed into the mixing barrel. After the raw materials are placed, the mixing barrel will be automatically moved under the subsequent spray head. Such a setting can effectively improve the feeding efficiency of the equipment, reduce manual participation, and improve the automation degree of the equipment.

[0008] According to the above technical solution, the placement component includes a sliding seat, the bottom of the sliding seat is movably connected to the track, a placement plate is fixedly connected to the top of the sliding seat, and a magnet is fixedly connected to the inner wall of the placement plate. When the equipment is running, first place the sliding seat on the track, and then place the mixing barrel on the placement plate. At this time, the internal magnet will adsorb the mixing barrel on the sliding seat. Such a setting can strengthen the force between the mixing barrel and the placement plate, avoiding deflection or overturning of the mixing barrel due to inertia when the placement component moves, and ensuring the stability of the equipment operation.

[0009] According to the above technical solution, the adjustment component includes a slider, the inner wall of the slider is threadedly connected to the threaded column, a movable plate is fixedly connected to the top of the slider, the outer wall of the movable plate is movably connected to the track, a pulling component is fixedly connected to the top of the movable plate, a right-angle plate is fixedly connected to the bottom of the slider, the bottom of the right-angle plate is movably connected to the base, and a sliding column one is fixedly connected to the end of the right-angle plate away from the slider. A blocking plate is fixedly connected to the end of the sliding column one away from the right-angle plate.

[0010] According to the above technical solution, a positioning component is movably connected to the inner wall of the round hole one, a bottom component is fixedly connected to the inner wall of the base, and a connecting component is fixedly connected to the top of the inner wall of the base.

[0011] According to the above technical solution, the pulling assembly includes an annular plate, the bottom of the annular plate is fixedly connected to a connecting plate, the inner wall of the annular plate is rotatably connected to a U-shaped plate through a bearing, the inner wall of the U-shaped plate is fixedly connected to a movable column, the inner wall of the annular plate is fixedly connected to a push rod, the end of the push rod away from the annular plate is fixedly connected to a slide plate, the inner wall of the slide plate is movably connected to a movable column, and the state of the U-shaped plate is changed by the movement of the push rod to ensure that when the pulling assembly moves backward, the U-shaped plate can be in a horizontal state and does not contact the placement assembly.

[0012] According to the above technical solution, the bottom component includes a connecting head 1, the bottom of the connecting head 1 is fixedly connected to the base, the outer wall of the connecting head 1 is fixedly connected to a sliding column 2, the outer wall of the sliding column 2 is movably connected to a T-plate, the outer wall of the sliding column 2 is sleeved with a spring, one end of the spring is fixedly connected to the connecting head 1, the end of the spring away from the connecting head 1 is fixedly connected to the T-plate, the outer wall of the T-plate is provided with a circular hole 2, the inner wall of the circular hole 2 is movably connected to the sliding column 1, and the top of the T-plate is fixedly connected to a slide groove plate 2.

[0013] According to the above technical solution, the positioning component includes an elastic component, the top of the elastic component is fixedly connected to the base, the bottom of the elastic component is fixedly connected to a connecting plate 2, the top of the connecting plate 2 is fixedly connected to a positioning column, the outer wall of the positioning column is movably connected to a circular hole 1, the outer wall of the connecting plate 2 is fixedly connected to a connecting plate 3, and the bottom of the connecting plate 3 is fixedly connected to a slide plate 3. By setting the positioning component, the distance that the placement component moves each time can be controlled to ensure that the mixing barrel on the placement component is facing the bottom of the nozzle, thereby avoiding leakage of raw materials and ensuring the stability of the equipment operation.

[0014] The connecting component includes a connecting head 2, the top of which is fixedly connected to the base, the inner wall of the connecting head 2 is rotatably connected to a rotating plate through a bearing, the end of the rotating plate away from the connecting head 2 is fixedly connected to a connecting column, the outer wall of the connecting column is movably connected to a slide plate 3, the outer wall of the connecting column is fixedly connected to a connecting rod, the end of the connecting rod away from the connecting column is fixedly connected to a movable column 2, the outer wall of the movable column 2 is movably connected to the slide plate 2, and by setting a bottom component and a connecting component, when the adjusting component moves to the rear side, it will automatically drive the positioning component to move downward, releasing the restriction on the movement of the placement component, and after the pulling component drives the placement component to move, it will automatically lift the positioning component, ensuring the smooth operation of the equipment and improving the degree of automation of the equipment.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0016] 1. The present invention separates the materials to be added to the mixing barrel by setting up a running mechanism. Whenever the placing component moves under one of the nozzles of the spraying device, the corresponding raw material will be sprayed into the mixing barrel. After the raw materials are put in, the mixing barrel will be automatically moved under the subsequent nozzles. This setting can effectively improve the feeding efficiency of the equipment, reduce the manual participation, and improve the automation degree of the equipment.

[0017] 2. The present invention sets up a conveyor belt. As the mixing barrel finishes adding the raw materials, it will be pushed towards the end of the track under the drive of the adjustment component. At this time, the conveyor belt at the end of the track will drive the placing component to move through the friction on the surface, so that the placing component drives the mixing barrel along the track to move to the subsequent processing track, canceling the manual transfer process and improving the automation degree of the equipment.

[0018] 3. The present invention sets up a placing component. When the mixing barrel is placed on the placing tray, the magnet inside will adsorb the mixing barrel on the sliding seat. This setting can strengthen the force between the mixing barrel and the placing tray, avoiding the deflection or overturning of the mixing barrel due to inertia when the placing component moves, and ensuring the stability of the equipment operation.

[0019] 4. The present invention sets up a positioning component, which can control the moving distance of the placing component each time, ensuring that the mixing barrel on the placing component is directly below the nozzle, avoiding the leakage of raw materials, and ensuring the stability of the equipment operation.

[0020] 5. The present invention sets up a bottom component and a connecting component. When the adjustment component moves backward, it will automatically drive the positioning component to move downward, releasing the restriction on the movement of the placing component. After the pulling component drives the placing component to move, it will automatically lift the positioning component, ensuring the process during the equipment operation and improving the automation degree of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings are used to provide further understanding of the present invention and form a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0022] Figure 1 is the overall structural schematic diagram of the present invention;

[0023] Figure 2 is the schematic diagram of the running mechanism of the present invention;

[0024] Figure 3 is the cross-sectional view of the running mechanism of the present invention;

[0025] Figure 4 is the schematic diagram of the track of the present invention;

[0026] Figure 5It is a schematic diagram of the placement component of the present invention;

[0027] Figure 6 It is a schematic diagram of the adjustment component of the present invention;

[0028] Figure 7 It is a schematic diagram of the pulling component of the present invention;

[0029] Figure 8 It is a schematic diagram of the bottom component of the present invention;

[0030] Figure 9 It is a schematic diagram of the connection component of the present invention;

[0031] Figure 10 It is a schematic diagram of the positioning component of the present invention;

[0032] In the figure: 1. Bottom plate; 101. Spraying device; 2. Operating mechanism; 201. Base; 202. Track; 203. Motor; 204. Conveyor belt; 205. First connecting plate; 206. Threaded column; 207. Notch; 208. First round hole; 21. Placement component; 211. Sliding seat; 212. Placement tray; 213. Magnet; 22. Adjustment component; 221. Slide block; 222. Movable plate; 223. Right-angle plate; 224. First sliding column; 225. Blocking plate; 23. Pulling component; 231. Ring plate; 232. U-shaped plate; 233. First movable column; 234. Push rod; 235. First chute plate; 24. Bottom component; 241. First connecting head; 242. Second sliding column; 243. T-shaped plate; 244. Spring; 245. Second round hole; 246. Second chute plate; 25. Positioning component; 251. Elastic component; 252. Second connecting plate; 253. Positioning column; 254. Third connecting plate; 255. Third chute plate; 26. Connection component; 261. Second connecting head; 262. Rotating plate; 263. Connecting column; 264. Connecting rod; 265. Second movable column. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0034] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation to the present invention.

[0035] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Embodiment 1: Refer to Figures 1 - 5 , the present invention provides a technical solution: a feeding device for the production of acrylic resin coatings, including a bottom plate 1, a spraying device 101 fixedly connected to the top of the bottom plate 1, and further including:

[0037] An operating mechanism 2, the operating mechanism 2 includes a base 201 fixedly connected to the top of the bottom plate 1, a track 202 fixedly connected to the top of the base 201, a motor 203 fixedly connected to the outer wall of the base 201, a conveyor belt 204 fixedly connected to one end of the top of the track 202 away from the motor 203, a connecting plate one 205 fixedly connected to the inner wall of the base 201, a threaded column 206 fixedly connected to the output end of the motor 203, and the end of the threaded column 206 away from the motor 203 is rotatably connected to the connecting plate one 205 through a bearing. A placing component 21 is movably connected to the top of the track 202, a notch 207 is opened at the top of the track 202, a round hole one 208 is opened at the top of the track 202, and an adjusting component 22 is fixedly connected to the inner wall of the base 201.

[0038] The placing component 21 includes a sliding seat 211, the bottom of the sliding seat 211 is movably connected to the track 202, a placing plate 212 is fixedly connected to the top of the sliding seat 211, and a magnet 213 is fixedly connected to the inner wall of the placing plate 212.

[0039] The working principle of this embodiment is as follows: When feeding is required, first place the sliding seat 211 on the track 202, then place the stirring barrel in the placing plate 212 on the sliding seat 211. After that, start the adjusting component 22, which will drive the sliding seat 211 to move on the track 202. As the sliding seat 211 moves, it will drive the stirring barrel to move under the spraying device 101, and the raw materials will be sprayed into the stirring barrel through the spraying device 101. After the feeding is completed, start the adjustment component again to push the sliding seat 211 onto the conveyor belt 204, and the conveyor belt 204 will drive the placing component 21 to move to the subsequent processing device.

[0040] Embodiment 2: On the basis of Embodiment 1, please refer to Figures 6 - 7, the adjusting assembly 22 includes a slider 221. The inner wall of the slider 221 is threadedly connected to the threaded column 206. The top of the slider 221 is fixedly connected to a movable plate 222. The outer wall of the movable plate 222 is movably connected to the track 202. The top of the movable plate 222 is fixedly connected to a pulling assembly 23. The bottom of the slider 221 is fixedly connected to a right-angle plate 223. The bottom of the right-angle plate 223 is movably connected to the base 201. One end of the right-angle plate 223 away from the slider 221 is fixedly connected to a first sliding column 224. One end of the first sliding column 224 away from the right-angle plate 223 is fixedly connected to a blocking plate 225. The inner wall of the first circular hole 208 is movably connected to a positioning assembly 25. The inner wall of the base 201 is fixedly connected to a bottom assembly 24. The top of the inner wall of the base 201 is fixedly connected to a connecting assembly 26.

[0041] The pulling assembly 23 includes an annular plate 231. The bottom of the annular plate 231 is fixedly connected to a first connecting plate 205. The inner wall of the annular plate 231 is rotatably connected to a U-shaped plate 232 through a bearing. The inner wall of the U-shaped plate 232 is fixedly connected to a first movable column 233. The inner wall of the annular plate 231 is fixedly connected to a push rod 234. One end of the push rod 234 away from the annular plate 231 is fixedly connected to a first chute plate 235. The inner wall of the first chute plate 235 is movably connected to the first movable column 233.

[0042] The working principle of this embodiment is as follows: When the device needs to move the placing assembly 21, the push rod 234 is first started to drive the first chute plate 235 to move. The moving first chute plate 235 will drive the U-shaped plate 232 to deflect through the first movable column 233, so that the U-shaped plate 232 is in a horizontal state. Then, the motor 203 is started to drive the threaded column 206 to rotate. The rotating threaded column 206 will drive the movable plate 222 to move through the slider 221. The moving movable plate 222 drives the pulling assembly 23 to move, so that the U-shaped plate 232 moves to the rear of the next placing assembly 21. Then, the push rod 234 is started again to drive the first chute plate 235 to move, so that the U-shaped plate 232 is in a vertical state again. After the push rod 234 completes the operation, the motor 203 reverses to pull the placing assembly 21 to move through the U-shaped plate 232.

[0043] Embodiment Three: On the basis of Embodiment Two, please refer to Figures 8 - 10, the bottom component 24 includes a first connector 241. The bottom of the first connector 241 is fixedly connected to the base 201. An outer wall of the first connector 241 is fixedly connected to a second sliding column 242. An outer wall of the second sliding column 242 is movably connected to a T-shaped plate 243. An outer wall of the second sliding column 242 is sleeved with a spring 244. One end of the spring 244 is fixedly connected to the first connector 241, and the end of the spring 244 away from the first connector 241 is fixedly connected to the T-shaped plate 243. A second round hole 245 is formed in an outer wall of the T-shaped plate 243, and an inner wall of the second round hole 245 is movably connected to a first sliding column 224. A second chute plate 246 is fixedly connected to a top of the T-shaped plate 243.

[0044] The positioning component 25 includes an elastic component 251. The top of the elastic component 251 is fixedly connected to the base 201. A second connecting plate 252 is fixedly connected to a bottom of the elastic component 251. A positioning column 253 is fixedly connected to a top of the second connecting plate 252. An outer wall of the positioning column 253 is movably connected to the first round hole 208. A third connecting plate 254 is fixedly connected to an outer wall of the second connecting plate 252. A third chute plate 255 is fixedly connected to a bottom of the third connecting plate 254. When the positioning component 25 is not subjected to an external force, the positioning column 253 will extend from the first round hole 208 in the track 202 to limit the moving range of the placing component 21.

[0045] The connecting component 26 includes a second connector 261. The top of the second connector 261 is fixedly connected to the base 201. A rotating plate 262 is rotatably connected to an inner wall of the second connector 261 through a bearing. A connecting column 263 is fixedly connected to an end of the rotating plate 262 away from the second connector 261. An outer wall of the connecting column 263 is movably connected to the third chute plate 255. A connecting rod 264 is fixedly connected to an outer wall of the connecting column 263. A second movable column 265 is fixedly connected to an end of the connecting rod 264 away from the connecting column 263. An outer wall of the second movable column 265 is movably connected to the second chute plate 246.

[0046] The working principle of this embodiment is as follows: When the adjusting component 22 drives the pulling component 23 to move, the right-angle plate 223 and the first sliding column 224 will be driven to move together by the movement of the slider 221. The moving first sliding column 224 will drive the blocking plate 225 to move together, and then the T-shaped plate 243 will be pulled to move by the movement of the blocking plate 225. The movement of the T-shaped plate 243 drives the second chute plate 246 to move. The moving second chute plate 246 drives the second movable column 265 to move. Then the second movable column 265 drives the connecting rod 264, the connecting column 263, and the rotating plate 262 to deflect downward. Then the connecting column 263 drives the third chute plate 255 to move downward through deflection. The downward moving third chute plate 255 drives the positioning column 253 to move downward through the third connecting plate 254 and the second connecting plate 252, releasing the restriction on the moving distance of the placing component 21.

[0047] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0048] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A feeding device for the production of an acrylic resin coating, comprising a bottom plate (1), and a spraying device (101) fixedly connected to the top of the bottom plate (1), characterized in that, It further includes: A running mechanism (2), the running mechanism (2) includes a base (201) fixedly connected to the top of the bottom plate (1), a track (202) is fixedly connected to the top of the base (201), a motor (203) is fixedly connected to the outer wall of the base (201), a conveyor belt (204) is fixedly connected to one end of the top of the track (202) away from the motor (203), a connecting plate one (205) is fixedly connected to the inner wall of the base (201), an output end of the motor (203) is fixedly connected to a threaded column (206), one end of the threaded column (206) away from the motor (203) is rotatably connected to the connecting plate one (205) through a bearing, a placing assembly (21) is movably connected to the top of the track (202), a notch (207) is opened on the top of the track (202), a round hole one (208) is opened on the top of the track (202), and an adjusting assembly (22) is fixedly connected to the inner wall of the base (201); The placing assembly (21) includes a sliding seat (211), the bottom of the sliding seat (211) is movably connected to the track (202), a placing plate (212) is fixedly connected to the top of the sliding seat (211), and a magnet (213) is fixedly connected to the inner wall of the placing plate (212); The adjusting assembly (22) includes a slider (221), the inner wall of the slider (221) is threadedly connected to the threaded column (206), a movable plate (222) is fixedly connected to the top of the slider (221), the outer wall of the movable plate (222) is movably connected to the track (202), a pulling assembly (23) is fixedly connected to the top of the movable plate (222), a right-angle plate (223) is fixedly connected to the bottom of the slider (221), the bottom of the right-angle plate (223) is movably connected to the base (201), a sliding column one (224) is fixedly connected to one end of the right-angle plate (223) away from the slider (221), and a blocking plate (225) is fixedly connected to one end of the sliding column one (224) away from the right-angle plate (223); A positioning assembly (25) is movably connected to the inner wall of the round hole one (208), a bottom assembly (24) is fixedly connected to the inner wall of the base (201), and a connecting assembly (26) is fixedly connected to the top of the inner wall of the base (201); The pulling assembly (23) includes an annular plate (231), the bottom of the annular plate (231) is fixedly connected to the connecting plate one (205), a U-shaped plate (232) is rotatably connected to the inner wall of the annular plate (231) through a bearing, a movable column one (233) is fixedly connected to the inner wall of the U-shaped plate (232), a push rod (234) is fixedly connected to the inner wall of the annular plate (231), a chute plate one (235) is fixedly connected to one end of the push rod (234) away from the annular plate (231), and the inner wall of the chute plate one (235) is movably connected to the movable column one (233); The bottom component (24) includes a first connector (241). The bottom of the first connector (241) is fixedly connected to the base (201). A second sliding column (242) is fixedly connected to the outer wall of the first connector (241). A T-shaped plate (243) is movably connected to the outer wall of the second sliding column (242). A spring (244) is sleeved on the outer wall of the second sliding column (242). One end of the spring (244) is fixedly connected to the first connector (241), and the other end of the spring (244) away from the first connector (241) is fixedly connected to the T-shaped plate (243). A second round hole (245) is formed in the outer wall of the T-shaped plate (243), and the inner wall of the second round hole (245) is movably connected to the first sliding column (224). A second chute plate (246) is fixedly connected to the top of the T-shaped plate (243); The positioning component (25) includes an elastic component (251). The top of the elastic component (251) is fixedly connected to the base (201). A second connecting plate (252) is fixedly connected to the bottom of the elastic component (251). A positioning column (253) is fixedly connected to the top of the second connecting plate (252). The outer wall of the positioning column (253) is movably connected to the first round hole (208). A third connecting plate (254) is fixedly connected to the outer wall of the second connecting plate (252). A third chute plate (255) is fixedly connected to the bottom of the third connecting plate (254); The connecting component (26) includes a second connector (261). The top of the second connector (261) is fixedly connected to the base (201). A rotating plate (262) is rotatably connected to the inner wall of the second connector (261) through a bearing. A connecting column (263) is fixedly connected to the end of the rotating plate (262) away from the second connector (261). The outer wall of the connecting column (263) is movably connected to the third chute plate (255). A connecting rod (264) is fixedly connected to the outer wall of the connecting column (263). A second movable column (265) is fixedly connected to the end of the connecting rod (264) away from the connecting column (263). The outer wall of the second movable column (265) is movably connected to the second chute plate (246).

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