Packaging equipment for coating production

By introducing a combined design of support legs, conveyor rollers, filling components, and positioning components into the paint packaging equipment, the problem of inaccurate paint filling caused by packaging barrel misalignment is solved, achieving precise positioning of packaging barrels and precise paint filling, improving filling efficiency and reducing the risk of contamination.

CN223906530UActive Publication Date: 2026-02-13WASHINTA CHEM COATING CO LTD
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Patent Information

Application Number
CN202520564862.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-13
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing paint packaging equipment is prone to misalignment of packaging barrels during the conveying process, resulting in inaccurate paint filling, which may lead to paint spillage and waste, and pollution of the production environment.

Method used

The design incorporates a combination of support legs, conveyor rollers, filling components, and positioning components. An external drive mechanism drives the conveyor rollers to transport the packaging barrels to the bottom of the filling components. The positioning components precisely position the packaging barrels, and the filling components achieve accurate filling. The adjustable filling tank height and stirring blades ensure uniform coating.

Benefits of technology

It achieves precise positioning of packaging barrels and precise filling of paint, avoiding paint spillage and waste, reducing the risk of pollution to the production environment, and improving filling efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coating production, and discloses a packaging device for coating production, which comprises eight supporting legs, the top ends of four supporting legs in the same group are fixedly connected with supporting seats, and a plurality of conveying rollers and a starting cylinder are arranged between the two supporting seats in an array mode. The telescopic end of the air cylinder retracts to pull the connecting block so that the first moving plate can move in the direction from the guide rail to the second moving plate, the first rack can move in the direction from the first supporting block to the second moving plate through movement of the first moving plate, and movement of the first rack is transmitted to the second rack through a gear. A second rack moves towards a first moving plate along a second supporting block, the second rack moves to drive a second moving plate to move towards the first moving plate along a guide rail, and in the moving process of the first moving plate and the second moving plate, two first positioning rods and two second positioning rods are gradually close to each other; therefore, the accurate positioning of the packaging barrel is realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of paint production, and specifically relates to a packaging equipment for paint production. BACKGROUND

[0002] Paint is a kind of substance that can be uniformly coated on the surface of an object and form a continuous film, it not only can give the object color and beauty, more importantly, it can protect the substrate from environmental erosion, prolong the service life, and even in some specific situations, it can also give the object special properties, such as fireproof, waterproof, anticorrosive, conductive, etc., paint needs to be filled in packaging barrels for packaging in the production process, to ensure that the quality and performance of the paint will not be affected during transportation, storage and use.

[0003] The existing device has some drawbacks in the process of use, for example: in the packaging process of paint, the packaging barrel needs to be placed on the conveying roller, and the packaging barrel is moved to the filling position by the conveying roller, due to various factors (such as friction of the conveying roller, uneven weight distribution of the packaging barrel, change of conveying speed, etc.), the packaging barrel will often deviate to a certain extent, this deviation not only affects the accurate filling of paint, but also may cause paint overflow, waste, and even pollution to the production environment. SUMMARY

[0004] The utility model aims at providing a kind of packaging equipment for paint production, solve the problem that packaging barrel will deviate when being moved to filling position by conveying roller.

[0005] The utility model provides the following technical scheme: a kind of packaging equipment for paint production, including eight support legs, the same group four the support leg top end is fixedly connected with support seat, multiple conveying rollers are arrayed between two support seats, the both ends of multiple conveying rollers are respectively penetrated through corresponding support seat and are rotatably connected with corresponding support seat, multiple conveying rollers are all connected with external driving mechanism, the upper end surface of two support seats is respectively fixedly connected with two support columns, the top end of the same group two support columns is respectively fixedly connected with support plate, two support plates are provided with filling assembly for the paint filling of packaging barrel, the lower end surface of two support seats is fixedly connected with mounting seat, the mounting seat is provided with positioning assembly for the positioning of packaging barrel.

[0006] In the above scheme, the packaging barrel is placed on the conveying roller, the conveying roller is driven to rotate by the external driving mechanism, and the packaging barrel is stably conveyed to the lower side of the filling assembly, when the packaging barrel is conveyed to the lower side of the filling assembly, the positioning assembly starts to work, and the packaging barrel is accurately positioned to ensure that the paint can be accurately filled into the packaging barrel, at this time, the filling assembly starts to work, and the paint is accurately filled into the packaging barrel.

[0007] As the preferred technical scheme of the above, the filling assembly comprises a first motor fixedly connected to the upper end surface of each support plate, a screw rod fixedly connected to the output end of each first motor, and an end of each screw rod away from the first motor vertically penetrating and rotatably connected to the corresponding support plate, an upper end surface of each support seat rotatably connected to the end of each screw rod away from the first motor, an inner side wall of the top of each pair of support columns vertically provided with a lifting groove, a lifting plate slidably connected to the inner side of each lifting groove, and a mounting ring fixedly connected between the two lifting plates and having a filling tank fixedly sleeved on the inner side thereof.

[0008] In the above scheme, the two first motors respectively drive the corresponding screw rods to rotate, which can flexibly adjust the up-down position of the two lifting plates in the corresponding lifting groove, thereby driving the mounting ring and the filling tank to realize height adjustment.

[0009] As the preferred technical scheme of the above, the filling assembly comprises a second motor fixedly connected to the top end of the filling tank, a stirring rod fixedly connected to the output end of the second motor, an end of the stirring rod away from the second motor vertically penetrating and rotatably connected to the top end of the filling tank, a plurality of stirring blades fixedly connected to the outer side of the stirring rod in an annular array, and a dosing mechanism fixedly connected to the bottom end of the filling tank.

[0010] In the above scheme, the second motor drives the stirring rod to rotate, and the plurality of stirring blades on the outer side of the stirring rod rotate in the filling tank, thereby sufficiently stirring the paint and ensuring that the paint reaches a high degree of uniformity before filling, thereby avoiding the problem of inaccurate filling due to paint sedimentation or stratification.

[0011] As the preferred technical scheme of the above, the filling assembly comprises a feeding slot provided on one side of the upper end surface of the filling tank, a cover hingedly connected to the position of the upper end surface of the filling tank corresponding to the feeding slot, and a handle fixedly connected to one side of the upper end surface of the cover.

[0012] In the above scheme, the cover can be attached to the upper end surface of the filling tank when closed, thereby preventing paint from splashing or leaking during stirring or filling.

[0013] As the preferred technical scheme above, the positioning assembly comprises guide rails symmetrically fixedly connected to both sides of the upper end face of the mounting seat, limit blocks fixedly connected to both ends of the two guide rails respectively, first and second moving plates slidingly sleeved with the outer sides of both ends of the two guide rails respectively, a connecting block fixedly connected to the lower end face of the first moving plate, a through slot horizontally formed on the mounting seat at a position corresponding to the connecting block, and the end of the connecting block away from the first moving plate vertically penetrating through the through slot and slidingly connected with the through slot.

[0014] In the above scheme, the limit blocks fixedly connected to both ends of the guide rails effectively prevent the first and second moving plates from excessive sliding.

[0015] As the preferred technical scheme above, the positioning assembly comprises a connecting shaft fixedly connected to the upper end face of the mounting seat, a gear rotatably sleeved with the outer side of the connecting shaft, first and second support blocks respectively arranged on both sides of the gear, the bottom ends of the first and second support blocks being fixedly connected with the upper end face of the mounting seat, first and second racks slidingly sleeved with the inner sides of the first and second support blocks respectively, the end of the first rack close to the first moving plate being fixedly connected with the first moving plate, the end of the second rack close to the second moving plate being fixedly connected with the second moving plate, the gear being in meshing transmission with the first and second racks respectively, two first positioning rods symmetrically fixedly connected with the upper end face of the first moving plate, and two second positioning rods symmetrically fixedly connected with the upper end face of the second moving plate, the top ends of the two first and second positioning rods penetrating vertically between the corresponding two conveying rollers respectively.

[0016] In the above scheme, through the meshing transmission of the gear with the first and second racks, efficient power transmission is realized.

[0017] As the preferred technical scheme above, the first moving plate is provided with a first accommodation slot at a position corresponding to the second rack, and the second moving plate is provided with a second accommodation slot at a position corresponding to the first rack.

[0018] In the above scheme, by providing the first and second accommodation slots, it can be ensured that the first and second racks can smoothly pass through each other's positions during the movement of the first and second moving plates, without interference or collision.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] In this invention, when positioning the packaging barrel is required, the cylinder is activated to retract the telescopic end, pulling the connecting block and the first moving plate towards the second moving plate. Due to the meshing transmission between the gear and the first and second racks, the movement of the first moving plate causes the first rack to move along the first support block towards the second moving plate. The movement of the first rack is transmitted to the second rack via the gear, causing the second rack to move along the second support block towards the first moving plate. The movement of the second rack, in turn, drives the second moving plate to move along the guide rail towards the first moving plate. During this process, the first and second clearance grooves respectively prevent contact with the second rack and the first rack. The interference of the bars ensures smooth transmission. Ultimately, the two first positioning rods and the two second positioning rods gradually approach each other until they are tightly fitted to both sides of the packaging barrel, achieving precise positioning of the packaging barrel. When the packaging barrel is filled and needs to be removed, the cylinder is activated again to extend the telescopic end, which allows the first and second moving plates to move in opposite directions, releasing the packaging barrel. Precise positioning ensures that the paint can be accurately aligned with the opening of the packaging barrel for filling, improving the accuracy and efficiency of filling, avoiding paint spillage and waste caused by packaging barrel misalignment, and reducing the risk of pollution to the production environment caused by paint spillage. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a packaging equipment for paint production.

[0022] Figure 2 A schematic diagram of the filling component structure of a packaging equipment for paint production;

[0023] Figure 3 This is a partial cross-sectional structural diagram of a packaging equipment for paint production.

[0024] Figure 4 A schematic diagram of the positioning component structure of a packaging equipment for paint production;

[0025] Figure 5 This is a schematic diagram of the exploded structure of a packaging equipment for paint production.

[0026] In the diagram: 10. Support leg; 11. Support base; 12. Conveyor roller; 13. Support column; 14. Support plate; 15. Mounting base; 2. Filling assembly; 201. First motor; 202. Lead screw; 203. Lifting trough; 204. Lifting plate; 205. Mounting ring; 206. Filling tank; 207. Second motor; 208. Stirring rod; 209. Stirring blade; 210. Metering mechanism; 211. Feed trough; 212. Cover; 213. Handle 3. Positioning assembly; 301. Guide rail; 302. Limiting block; 303. First moving plate; 304. Second moving plate; 305. Connecting block; 306. Through groove; 307. Cylinder; 308. Connecting shaft; 309. Gear; 310. First support block; 311. Second support block; 312. First rack; 313. Second rack; 314. First positioning rod; 315. Second positioning rod; 40. First clearance groove; 41. Second clearance groove. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0028] Example

[0029] like Figures 1-5 As shown, this utility model provides a technical solution: a packaging equipment for paint production, comprising eight support legs 10, with support seats 11 fixedly connected to the top ends of four support legs 10 in the same group, and multiple conveying rollers 12 arranged in an array between two support seats 11. The two ends of the multiple conveying rollers 12 respectively pass through the corresponding support seats 11 and are rotatably connected to the corresponding support seats 11. Each of the multiple conveying rollers 12 is connected to an external driving mechanism. Two support columns 13 are fixedly connected to the upper surfaces of two support seats 11 respectively, and support plates 14 are fixedly connected to the top ends of the two support columns 13 in the same group. Useful... The filling assembly 2, which fills the packaging barrel with paint, has two support seats 11 with mounting seats 15 fixedly connected to their lower ends. The mounting seats 15 are equipped with positioning components 3 for positioning the packaging barrel. In actual use, the packaging barrel is placed on the conveyor roller 12, and the conveyor roller 12 is driven to rotate by an external drive mechanism to smoothly convey the packaging barrel to the bottom of the filling assembly 2. When the packaging barrel is conveyed to the bottom of the filling assembly 2, the positioning component 3 starts to work to accurately position the packaging barrel and ensure that the paint can be accurately filled into the packaging barrel. At this time, the filling assembly 2 starts to work and accurately fills the paint into the packaging barrel.

[0030] As one implementation method in this embodiment, such as Figure 1 , Figure 2 and Figure 3As shown, the filling assembly 2 comprises a first motor 201 fixedly connected to the upper end faces of the two support plates 14 respectively, the output ends of the two first motors 201 are fixedly connected with lead screws 202, the ends of the two lead screws 202 away from the first motors 201 are vertically penetrated through the corresponding support plates 14 and are rotationally connected with the corresponding support plates 14, the ends of the two lead screws 202 away from the first motors 201 are rotationally connected with the upper end faces of the corresponding support seats 11, the opposite inner side walls of the top portions of the two support columns 13 in the same group are vertically provided with lifting grooves 203, the inner sides of the two lifting grooves 203 in the same group are slidingly connected with lifting plates 204, and the two lifting plates 204 are threadedly sleeved with the outer sides of the corresponding lead screws 202 respectively, the two lifting plates 204 are fixedly connected with a mounting ring 205, the inner side of the mounting ring 205 is fixedly sleeved with a filling tank 206, the filling assembly 2 comprises a second motor 207 fixedly connected to the top end of the filling tank 206, the output end of the second motor 207 is fixedly connected with a stirring rod 208, the end of the stirring rod 208 away from the second motor 207 is vertically penetrated through the top end of the filling tank 206 and is rotationally connected with the top end of the filling tank 206, a plurality of stirring blades 209 are fixedly connected in an annular array on the outer side of the stirring rod 208, the bottom end of the filling tank 206 is fixedly connected with a metering mechanism 210, the filling assembly 2 comprises a feeding groove 211 provided on one side of the upper end face of the filling tank 206, a cover 212 is hingedly connected to the position of the upper end face of the filling tank 206 corresponding to the feeding groove 211, a handle 213 is fixedly connected to one side of the upper end face of the cover 212, and in the specific use process, first, the handle 213 is pulled to open the cover 212 so that the paint enters the inside of the filling tank 206 through the feeding groove 211, after the paint enters the inside of the filling tank 206, the cover 212 is closed through the handle 213, then the second motor 207 is started to make the stirring rod 208 rotate, the stirring rod 208 drives the stirring blades 209 to stir the paint in the filling tank 206, so as to ensure that the paint is uniformly mixed, at this time, according to the height of the packaging barrel, the two first motors 201 are simultaneously started to make the corresponding lead screws 202 rotate, the rotation of the two lead screws 202 drives the corresponding lifting plates 204 to slide up and down along the inner sides of the corresponding lifting grooves 203, so as to drive the mounting ring 205 to move up and down and further adjust the height of the filling tank 206, when the height of the filling tank 206 is adjusted to the appropriate position, the two first motors 201 are simultaneously stopped, when the packaging barrel moves below the metering mechanism 210, the paint in the filling tank 206 flows into the packaging barrel through the metering mechanism 210 until the preset filling amount is reached.

[0031] As an embodiment in the present embodiment, as shown in Figure 1 , Figure 4 and Figure 5As shown, the positioning assembly 3 comprises two guide rails 301 fixedly connected to the two sides of the upper end face of the mounting seat 15, the two ends of the two guide rails 301 are fixedly connected with limiting blocks 302 respectively, the outer sides of the two ends of the two guide rails 301 are slidably sleeved with a first moving plate 303 and a second moving plate 304 respectively, the lower end face of the first moving plate 303 is fixedly connected with a connecting block 305, a through slot 306 is horizontally arranged on the mounting seat 15 corresponding to the position of the connecting block 305, one end of the connecting block 305 away from the first moving plate 303 penetrates through the through slot 306 vertically and is slidably connected with the through slot 306, the bottom end of the mounting seat 15 is fixedly connected with an air cylinder 307, one end of the extension end of the air cylinder 307 close to the connecting block 305 is fixedly connected with the connecting block 305, the positioning assembly 3 comprises a connecting shaft 308 fixedly connected to the upper end face of the mounting seat 15, a gear 309 is rotatably sleeved on the outer side of the connecting shaft 308, a first supporting block 310 and a second supporting block 311 are arranged on the two sides of the gear 309 respectively, and the bottom ends of the first supporting block 310 and the second supporting block 311 are fixedly connected with the upper end face of the mounting seat 15 respectively, a first rack 312 and a second rack 313 are slidably sleeved on the inner sides of the first supporting block 310 and the second supporting block 311 respectively, one end of the first rack 312 close to the first moving plate 303 is fixedly connected with the first moving plate 303, one end of the second rack 313 close to the second moving plate 304 is fixedly connected with the second moving plate 304, the gear 309 is in meshing transmission with the first rack 312 and the second rack 313 respectively, two first positioning rods 314 are fixedly connected to the upper end face of the first moving plate 303 symmetrically, two second positioning rods 315 are fixedly connected to the upper end face of the second moving plate 304 symmetrically, and the top ends of the two first positioning rods 314 and the two second positioning rods 315 penetrate through between the corresponding two conveying rollers 12 respectively, a first avoiding slot 40 is arranged on the first moving plate 303 corresponding to the position of the second rack 313, a second avoiding slot 41 is arranged on the second moving plate 304 corresponding to the position of the first rack 312, and in specific use process, in the initial state, the extension end of the air cylinder 307 is in the extended state, the extension of the extension end of the air cylinder 307 drives the connecting block 305 to drive the first moving plate 303 to move along the guide rail 301 away from the second moving plate 304, due to the meshing transmission of the gear 309 with the first rack 312 and the second rack 313, the second moving plate 304 moves in the opposite direction along the guide rail 301 correspondingly, until the first moving plate 303 and the second moving plate 304 meet the limiting blocks 302 respectively, when the packaging barrel needs to be positioned, the air cylinder 307 is started, the retraction of the extension end of the air cylinder 307 drives the connecting block 305 to move the first moving plate 303 along the guide rail 301 towards the second moving plate 304, due to the meshing transmission of the gear 309 with the first rack 312 and the second rack 313 respectively, the movement of the first moving plate 303 drives the first rack 312 to move along the first supporting block 310 towards the second moving plate 304, the movement of the first rack 312 is transmitted to the second rack 313 through the gear 309,The second rack 313 is moved along the second support block 311 in the direction of the first moving plate 303, and the movement of the second rack 313 further drives the second moving plate 304 to move along the guide rail 301 in the direction of the first moving plate 303. During the movement of the first rack 312 and the second rack 313, the first displacement slot 40 and the second displacement slot 41 respectively avoid the interference between the first moving plate 303 and the second moving plate 304 and the second rack 313 and the first rack 312, ensuring the smoothness of the transmission. During the movement of the first moving plate 303 and the second moving plate 304, the two first positioning rods 314 and the two second positioning rods 315 gradually approach each other until they fit the packaging barrel, achieving precise positioning of the packaging barrel. When the packaging barrel is filled and needs to be removed, the air cylinder 307 is started again, and the extension end of the air cylinder 307 is extended.

[0032] Working principle: first pull the handle 213 to open the cover 212 to make the paint pass through the feeding groove 211 into the inside of the filling tank 206, after the paint enters the inside of the filling tank 206, the handle 213 is closed to cover 212, and then the second motor 207 is started to make the stirring rod 208 rotate, the stirring rod 208 drives the stirring blade 209 to stir the paint in the filling tank 206, to ensure that the paint is mixed uniformly, at this time, according to the height of the packaging barrel, the two first motors 201 are started synchronously to make the corresponding lead screws 202 rotate, the rotation of the two lead screws 202 drives the corresponding lifting plates 204 to slide up and down along the inside of the corresponding lifting grooves 203, thereby driving the mounting ring 205 to move up and down and adjusting the height of the filling tank 206, when the height of the filling tank 206 is adjusted to the appropriate position, the two first motors 201 are stopped synchronously, the packaging barrel is placed on the conveying roller 12, and the conveying roller 12 is driven to rotate by the external driving mechanism, so that the packaging barrel is stably conveyed to the lower side of the filling assembly 2, when the packaging barrel is conveyed to the lower side of the filling assembly 2, the air cylinder 307 is started, the telescopic end of the air cylinder 307 is retracted to pull the connecting block 305 to make the first moving plate 303 move along the guide rail 301 to the direction of the second moving plate 304, due to the meshing transmission of the gear 309 with the first rack 312 and the second rack 313, the movement of the first moving plate 303 makes the first rack 312 move along the first supporting block 310 to the direction of the second moving plate 304, the movement of the first rack 312 is transmitted to the second rack 313 through the gear 309, so that the second rack 313 moves along the second supporting block 311 to the direction of the first moving plate 303, the movement of the second rack 313 further drives the second moving plate 304 to move along the guide rail 301 to the direction of the first moving plate 303, during the movement of the first rack 312 and the second rack 313, the first displacement slot 40 and the second displacement slot 41 avoid the interference between the first moving plate 303 and the second moving plate 304 and the second rack 313 and the first rack 312 respectively, to ensure the smoothness of transmission, during the movement of the first moving plate 303 and the second moving plate 304, the two first positioning rods 314 and the two second positioning rods 315 gradually approach each other until they fit the packaging barrel, to realize the accurate positioning of the packaging barrel, at this time, the paint in the filling tank 206 flows into the packaging barrel through the quantitative mechanism 210 until the preset filling amount is reached, when the packaging barrel is filled and needs to be removed, the air cylinder 307 is started again, so that the telescopic end of the air cylinder 307 is extended, so that the first moving plate 303 and the second moving plate 304 move in opposite directions respectively to release the packaging barrel.

[0033] The above embodiments are only used to illustrate the technical scheme of the utility model, but not limit it.

Claims

1. A packaging apparatus for paint production comprising eight support legs (10), characterized in that: The top end of each of the four support legs (10) is fixedly connected with a support seat (11), a plurality of conveying rollers (12) are arranged between the two support seats (11), the two ends of the plurality of conveying rollers (12) penetrate through the corresponding support seats (11) and are rotatably connected with the corresponding support seats (11), the plurality of conveying rollers (12) are connected with an external driving mechanism, the upper end surfaces of the two support seats (11) are fixedly connected with two support columns (13), the top ends of the two support columns (13) in the same group are fixedly connected with support plates (14), the two support plates (14) are provided with a filling assembly (2) for coating and filling of the packaging barrels, the lower end surfaces of the two support seats (11) are fixedly connected with mounting seats (15), and the mounting seats (15) are provided with a positioning assembly (3) for positioning the packaging barrels.

2. The packaging apparatus for paint production according to claim 1, characterized in that: The filling assembly (2) comprises first motors (201) fixedly connected to the upper end surfaces of the two support plates (14), the output ends of the two first motors (201) are fixedly connected with lead screws (202), one ends of the two lead screws (202) away from the first motors (201) vertically penetrate through the corresponding support plates (14) and are rotatably connected with the corresponding support plates (14), the one ends of the two lead screws (202) away from the first motors (201) are rotatably connected with the upper end surfaces of the corresponding support seats (11), the top portions of the two support columns (13) in the same group are vertically provided with lifting grooves (203) on the inner side walls opposite to each other, lifting plates (204) are slidably connected in the inner sides of the two lifting grooves (203), and the two lifting plates (204) are threadedly sleeved on the outer sides of the corresponding lead screws (202), and an installation ring (205) is fixedly connected between the two lifting plates (204), and a filling tank (206) is fixedly sleeved on the inner side of the installation ring (205).

3. The packaging apparatus for paint production according to claim 2, characterized in that: The filling assembly (2) comprises a second motor (207) fixedly connected to the top end of the filling tank (206), the output end of the second motor (207) is fixedly connected with a stirring rod (208), one end of the stirring rod (208) away from the second motor (207) vertically penetrates through the top end of the filling tank (206) and is rotatably connected with the top end of the filling tank (206), a plurality of stirring blades (209) are annularly fixedly connected on the outer side of the stirring rod (208), and a quantitative mechanism (210) is fixedly connected to the bottom end of the filling tank (206).

4. The packaging apparatus for paint production according to claim 3, characterized in that: The filling assembly (2) comprises a feeding groove (211) formed on one side of the upper end surface of the filling tank (206), a cover (212) is hingedly connected to the position of the upper end surface of the filling tank (206) corresponding to the feeding groove (211), and a handle (213) is fixedly connected to one side of the upper end surface of the cover (212).

5. The packaging apparatus for paint production according to claim 1, characterized in that: The positioning assembly (3) comprises guide rails (301) fixedly connected to both sides of the upper end face of the mounting seat (15), limit blocks (302) fixedly connected to the two ends of the two guide rails (301), respectively, first and second moving plates (303) and (304) slidably sleeved to the outer sides of the two ends of the two guide rails (301), a connecting block (305) fixedly connected to the lower end face of the first moving plate (303), a through slot (306) horizontally formed on the mounting seat (15) at a position corresponding to the connecting block (305), and the connecting block (305) vertically penetrating through the through slot (306) and being in sliding connection with the through slot (306) at an end away from the first moving plate (303).

6. The packaging apparatus for paint production according to claim 5, characterized in that: The positioning assembly (3) comprises a connecting shaft (308) fixedly connected to the upper end face of the mounting seat (15), a gear (309) rotatably sleeved to the outer side of the connecting shaft (308), first and second support blocks (310) and (311) respectively arranged on the two sides of the gear (309), and the first and second support blocks (310) and (311) fixedly connected to the upper end face of the mounting seat (15) at the bottom ends, first and second racks (312) and (313) respectively slidably sleeved to the inner sides of the first and second support blocks (310) and (311), the first rack (312) fixedly connected to the first moving plate (303) at an end close to the first moving plate (303), the second rack (313) fixedly connected to the second moving plate (304) at an end close to the second moving plate (304), and the gear (309) in meshing transmission with the first and second racks (312) and (313), respectively.

7. The packaging apparatus for paint production according to claim 6, characterized in that: The first moving plate (303) is provided with a first displacement slot (40) at a position corresponding to the second rack (313), and the second moving plate (304) is provided with a second displacement slot (41) at a position corresponding to the first rack (312). The first moving plate (303) is provided with a first displacement slot (40) at a position corresponding to the second rack (313), and the second moving plate (304) is provided with a second displacement slot (41) at a position corresponding to the first rack (312).