Sectional type coating grinding machine

By incorporating a segmented structure and servo motor-driven grinding blocks in the paint grinding mill, the problems of uneven paint grinding and high maintenance difficulty in existing technologies are solved, achieving efficient segmented grinding and easy cleaning of paint.

CN224142432UActive Publication Date: 2026-04-21QIANZHU TECH (SHANGHAI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QIANZHU TECH (SHANGHAI) CO LTD
Filing Date
2025-05-15
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing grinding machines cannot effectively separate different grinding states when grinding coatings, resulting in reduced grinding uniformity of the coatings and increased difficulty in maintenance and cleaning.

Method used

A segmented paint grinding machine was designed. By setting abrasive cloth in the hopper to divide it into a coarse grinding zone and a fine grinding zone, and using a partition and overflow opening to separate the paint, the grinding blocks driven by a servo motor are used for segmented grinding, which improves the fluidity of the paint and the grinding efficiency, and reduces the difficulty of maintenance and cleaning.

Benefits of technology

It improves the grinding uniformity and flowability of coatings, reduces the difficulty of maintenance and cleaning of the grinder, and enhances the overall grinding efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sectional type coating grinding machine which comprises a bottom plate, an installation table and an installation frame are fixedly connected to the upper surface of the bottom plate, a storage hopper is fixedly connected to the surface of the installation table, a clamping groove and two pieces of frosted cloth are arranged on the inner wall of the storage hopper, a partition plate is arranged in the clamping groove and located between the two pieces of frosted cloth, and the partition plate is connected with the installation table. An overflow opening is formed in the surface of the partition plate, an automatic telescopic rod is fixedly connected to the upper end of the mounting frame, a mounting plate is fixedly connected to the lower end of the automatic telescopic rod, a servo motor is fixedly connected to the upper surface of the mounting plate, a second grinding block is fixedly connected to the output end of the servo motor, and a connecting rod is fixedly connected to the lower surface of the second grinding block; the lower end of the connecting rod is fixedly connected with a first grinding block, and when the grinding machine is used, the first grinding block and the second grinding block make contact with the two pieces of abrasive cloth correspondingly. Through the structure, the paint transfer smoothness in the segmented paint grinding process is improved, and the cleaning difficulty of a grinding area is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of grinding machine technology, and in particular to a segmented coating grinding machine. Background Technology

[0002] Grinding is necessary for coatings during use to improve their fineness and stability. However, conventional grinding machines cannot effectively separate coatings at different grinding stages, resulting in reduced uniformity. A patent application published on the Chinese Patent Network, titled "A Grinding Disc for a Grinding Machine for Powder Coating Processing" (application number "202022336049.8"), describes a grinding machine that uses two opposing grinding discs and grinding holes, rotating in opposite directions to improve grinding efficiency. However, this structure increases maintenance difficulty, and the planar nature of the grinding components reduces coating fluidity, leading to increased residual coating and making cleaning more challenging. Utility Model Content

[0003] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a segmented coating grinding machine that improves the flow effect of the coating after grinding, increases the smoothness of the natural transfer of the grinding coating inside the grinding machine, improves the overall efficiency of segmented grinding of coating, and reduces the difficulty of repairing and cleaning the grinding machine.

[0004] This utility model also provides a segmented paint grinding machine, comprising: a base plate, an mounting platform and a mounting frame fixedly connected to the upper surface of the base plate, a storage hopper fixedly connected to the surface of the mounting platform, a slot and two abrasive cloths provided on the inner wall of the storage hopper, a partition provided inside the slot, the partition being located between the two abrasive cloths, and an overflow opening provided on the surface of the partition; an automatic telescopic rod fixedly connected to the upper end of the mounting frame, a mounting plate fixedly connected to the lower end of the automatic telescopic rod, a servo motor fixedly connected to the upper surface of the mounting plate, a second grinding block fixedly connected to the output end of the servo motor, a connecting rod fixedly connected to the lower surface of the second grinding block, and a first grinding block fixedly connected to the lower end of the connecting rod; when using the grinding machine, the first and second grinding blocks respectively contact the two abrasive cloths.

[0005] According to the present invention, a segmented paint grinding machine has an abrasive cloth located inside the slot at one end, and the two abrasive cloths have different grinding finenesses, dividing the hopper into a coarse grinding zone and a fine grinding zone. This improves the effectiveness of the abrasive cloth.

[0006] According to the present invention, a segmented coating grinding machine has a first grinding block located inside the fine grinding zone and a second grinding block located inside the coarse grinding zone. This improves the effectiveness of both grinding blocks.

[0007] According to the segmented coating grinding machine of this utility model, the width of the overflow opening near the fine grinding zone is smaller than the width of the overflow opening near the coarse grinding zone. This reduces the risk of overflow opening blockage.

[0008] According to the present invention, a segmented paint grinding machine has multiple feeding pipes fixedly connected to the surface of the mounting plate. The lower ends of the feeding pipes penetrate the mounting plate, and the lower ends of the feeding pipes are all inclined towards the second grinding block. This improves the accuracy of paint addition.

[0009] According to the segmented coating grinding machine of this utility model, an arc-shaped sealing block is fixedly connected to the upper end of the first grinding block, and the arc-shaped sealing block is penetrated by a connecting rod. This reduces the risk of flowing material remaining in the first grinding block.

[0010] According to the present invention, a segmented paint grinding machine has a reinforcing frame fixedly connected to the upper surface of the mounting platform, and the upper end of the reinforcing frame is fixedly connected to the surface of the storage hopper. This improves the stability of the storage hopper.

[0011] According to the segmented paint grinding machine of this utility model, there are two automatic telescopic rods, which are distributed left and right opposite each other, and the automatic telescopic rods do not contact the upper end of the servo motor. This improves the effectiveness of the automatic telescopic rods.

[0012] Beneficial effects:

[0013] Compared with existing technologies, this segmented paint grinding machine, through a hopper, slot, partition, overflow opening, grinding disc, No. 1 grinding block, and No. 2 grinding block, utilizes the inclined structure of a cone to provide the conditions for the paint to flow and transfer in the grinding area, thereby improving the efficiency of segmented paint grinding. Moreover, the structure is simple and convenient to use and maintain. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a left view of the structure of a segmented coating grinding machine according to the present invention;

[0016] Figure 2 This is a cross-sectional view of a segmented coating grinding machine according to the present invention.

[0017] Figure 3 This is a top view of the segmented coating grinding machine of this utility model in use.

[0018] Figure 4 This utility model relates to a segmented coating grinding machine. Figure 3 Enlarged structural diagram at point B;

[0019] Figure 5 This utility model relates to a segmented coating grinding machine. Figure 2 Enlarged structural diagram at point D.

[0020] Legend:

[0021] 1. Base plate; 2. Mounting platform; 3. Storage hopper; 4. Partition; 5. Abrasive cloth; 6. Mounting plate; 7. Servo motor; 8. Grinding block No. 1; 9. Feeding pipe; 10. Mounting frame; 11. Automatic telescopic rod; 12. Overflow opening; 13. Reinforcing frame; 14. Grinding block No. 2; 15. Arc-shaped sealing block; 16. Connecting rod; 17. Slot. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-5 This utility model discloses a segmented paint grinding machine, comprising: a base plate 1; a mounting platform 2 and a mounting frame 10 fixedly connected to the upper surface of the base plate 1; a storage hopper 3 fixedly connected to the surface of the mounting platform 2 for holding paint to be ground; a reinforcing frame 13 fixedly connected to the upper surface of the mounting platform 2, the upper end of the reinforcing frame 13 being fixedly connected to the surface of the storage hopper 3; a slot 17 and two abrasive cloths 5 provided on the inner wall of the storage hopper 3; one end of the abrasive cloth 5 near the slot 17 being located inside the slot 17; and the abrasive cloths 5 having a grinding precision... The storage hopper 3 is divided into a coarse grinding zone and a fine grinding zone according to the different fineness. The height of the coarse grinding zone is greater than that of the fine grinding zone, so that the paint can flow from the higher coarse grinding zone to the lower fine grinding zone. The slot 17 is equipped with a partition 4, which is located between two abrasive cloths 5. The partition 4 is used to separate the coarse grinding zone and the fine grinding zone. The surface of the partition 4 is provided with an overflow opening 12. The width of the overflow opening 12 near the fine grinding zone is smaller than the width of the overflow opening 12 near the coarse grinding zone. The overflow opening 12 is used to provide conditions for the paint on the inner wall of the coarse grinding zone to flow to the fine grinding zone.

[0024] Specifically, when using the grinder, two abrasive cloths 5 of different fineness are laid flat on the inner wall of the storage hopper 3. During the laying process, the abrasive cloths 5 can be fixed to the inner wall of the storage hopper 3 using adhesive. Then, the parts of the two abrasive cloths 5 closest to the slot 17 are manually pressed into the inside of the slot 17. At this time, the abrasive cloths 5 are fixed inside the storage hopper 3 by the restriction of the partition 4 and the slot 17 and the restriction of the adhesive. When it is necessary to clean and replace the abrasive cloths 5, the two abrasive cloths 5 can be separated by pulling upwards. The paint can be poured directly into the interior of the coarse grinding area to carry out the grinding work of the paint. Because the paint particles are large and the fluidity is poor, the unground paint cannot pass through the overflow opening 12. During the continuous grinding process, the paint particles decrease and the fluidity increases. At this time, the paint that can pass through the overflow opening 12 enters the inner wall of the fine grinding area through the partition 4 for secondary grinding.

[0025] The upper end of the mounting bracket 10 is fixedly connected to two automatic telescopic rods 11, which are distributed opposite each other and do not contact the upper end of the servo motor 7. The automatic telescopic rods 11 are used to change the height of the two grinding blocks. The lower end of the automatic telescopic rods 11 is fixedly connected to a mounting plate 6. Multiple feeding tubes 9 are fixedly connected to the surface of the mounting plate 6. The lower ends of the feeding tubes 9 penetrate the mounting plate 6, and the lower ends of all feeding tubes 9 are inclined towards the second grinding block 14. The feeding tubes 9 are used to improve the accuracy of paint addition. The upper surface of the mounting plate 6 is fixedly connected to a servo motor 7. The output end of the servo motor 7 is fixedly connected to a second grinding block 14. A connecting rod 16 is fixedly connected to the lower surface of the second grinding block 14. A first grinding block 8 is fixedly connected to the lower end of the connecting rod 16. When the grinding machine is used, the first grinding block 8 and the second grinding block 14 are in contact with two abrasive cloths 5 respectively. The first grinding block 8 is located inside the fine grinding zone, and the second grinding block 14 is located inside the coarse grinding zone. An arc-shaped sealing block 15 is fixedly connected to the upper end of the first grinding block 8. The arc-shaped sealing block 15 is penetrated by the connecting rod 16. The two grinding blocks cooperate with the abrasive cloths 5 by rotating to perform the grinding work of the coating.

[0026] Specifically, the automatic telescopic rod 11 extends and causes the mounting plate 6 to fall. The two grinding blocks are integrated with the mounting plate 6 via the servo motor 7, so the two grinding blocks fall into the interior of the storage hopper 3. At this time, the paint is fed into the interior of the storage hopper 3 through the feeding pipe 9. Since the lower end of the feeding pipe 9 is close to the second grinding block 14, the paint is precisely added to the coarse grinding area and contacts the second grinding block 14. During the continuous rotation of the two grinding blocks, the particle size and flowability of the paint change. After grinding, the paint can pass through the overflow opening 12 and enter the interior of the fine grinding area, where it contacts the first grinding block 8 for secondary grinding.

[0027] Working principle: The coating material with abrasive is poured into the hopper 3 through the feed pipe 9. The servo motor 7 drives the two grinding blocks to rotate and grind the coating material. After grinding in the coarse grinding zone for a period of time, the fluidity of the coating material increases. At this time, the part of the coating material with increased fluidity passes through the overflow opening 12 through the partition 4 and enters the fine grinding zone to contact the first grinding block 8 for secondary grinding. Since the gap between the first grinding block 8 and the lower end of the hopper 3 is fixed under normal conditions, the coating material cannot flow out through the gap between the hopper 3 and the first grinding block 8 when its fluidity does not increase further due to its own viscosity and particle size.

[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A segmented paint mill characterized in that, include: A base plate (1) is fixedly connected to an mounting platform (2) and a mounting bracket (10) on its upper surface. A storage hopper (3) is fixedly connected to the surface of the mounting platform (2). The inner wall of the storage hopper (3) is provided with a slot (17) and two frosted cloths (5). A partition (4) is provided inside the slot (17). The partition (4) is located between the two frosted cloths (5). An overflow opening (12) is provided on the surface of the partition (4). An automatic telescopic rod (11) is fixedly connected to the upper end of the mounting bracket (10), and a mounting plate (6) is fixedly connected to the lower end of the automatic telescopic rod (11). A servo motor (7) is fixedly connected to the upper surface of the mounting plate (6), and a second grinding block (14) is fixedly connected to the output end of the servo motor (7). A connecting rod (16) is fixedly connected to the lower surface of the second grinding block (14), and a first grinding block (8) is fixedly connected to the lower end of the connecting rod (16). When the grinding machine is used, the first grinding block (8) and the second grinding block (14) are in contact with two abrasive cloths (5) respectively.

2. A segmented paint mill according to claim 1, wherein, The end of the abrasive cloth (5) near the slot (17) is located inside the slot (17), and the two abrasive cloths (5) have different grinding fineness, which divides the storage container (3) into a coarse grinding area and a fine grinding area.

3. A segmented paint grinder as claimed in claim 2, wherein, The first grinding block (8) is located inside the fine grinding zone, and the second grinding block (14) is located inside the coarse grinding zone.

4. A sectional paint grinder as claimed in claim 3, wherein, The width of the overflow opening (12) near the fine grinding zone is smaller than the width of the overflow opening (12) near the coarse grinding zone.

5. A segmented paint grinder as defined in claim 1, wherein, Multiple feeding tubes (9) are fixedly connected to the surface of the mounting plate (6). The lower end of the feeding tubes (9) penetrates the mounting plate (6), and the lower ends of the feeding tubes (9) are all inclined towards the No. 2 grinding block (14).

6. A segmented paint grinder as defined in claim 1, wherein, An arc-shaped sealing block (15) is fixedly connected to the upper end of the first grinding block (8), and the arc-shaped sealing block (15) is penetrated by the connecting rod (16).

7. A segmented paint grinder as defined in claim 1, wherein, A reinforcing frame (13) is fixedly connected to the upper surface of the mounting platform (2), and the upper end of the reinforcing frame (13) is fixedly connected to the surface of the storage hopper (3).

8. A segmented paint grinder as defined in claim 1, wherein, There are two automatic telescopic rods (11), which are distributed opposite each other on the left and right, and the automatic telescopic rods (11) do not contact the upper end of the servo motor (7).

Citation Information

Patent Citations

  • Grinding disc for grinding machine for powder coating processing

    CN213590626U