Ground calcium carbonate grinding and screening device

By combining a servo motor-driven screening cylinder and grinding blocks, the problem of low efficiency in manual handling of unqualified particles in existing technologies is solved, realizing automated screening and convenient collection, and improving the working efficiency of grinding and screening heavy calcium carbonate.

CN223888159UActive Publication Date: 2026-02-10NANZHAO COUNTY RUIYUANDA NEW BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202423123143.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2026-02-10
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing heavy calcium carbonate grinding and screening equipment cannot directly process the large number of unqualified particles after screening, requiring manual removal and re-grinding, resulting in low work efficiency.

Method used

A grinding and sieving device for heavy calcium carbonate was designed. It uses a servo motor-driven sieving cylinder and grinding blocks to work together. It uses centrifugal force to throw out qualified powder and block unqualified particles from continuing to grind. The collection cylinder can be easily replaced using the installation clips.

Benefits of technology

It improved work efficiency, facilitated the operation of staff, and enabled the automated processing of substandard particles and convenient replacement of collection cylinders.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of calcium carbonate grinding and screening, and discloses a ground calcium carbonate grinding and screening device which is characterized in that the bottom of a grinding barrel is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a rotating shaft, the top of the rotating shaft is fixedly connected with a mounting seat, and a mounting hole is formed in the surface of the mounting seat; a mounting tenon is clamped in the mounting hole, a collecting barrel is fixedly connected to the top of the mounting tenon, a screening barrel is fixedly connected to the interior of the collecting barrel, a connecting seat is fixedly connected to the upper portion of the left side of the grinding barrel, a connecting block is rotatably connected to the interior of the connecting seat, and a barrel cover is fixedly connected to the right side of the top of the connecting block; and through cooperative use of the screening barrel, the grinding block and the like, qualified ground powder is screened through holes of the screening barrel under the action of centrifugal force and thrown into the collecting barrel, unqualified particles can be blocked by the screening barrel and continue to be ground until the particles are qualified, the working efficiency is improved, and workers can use the grinding device conveniently.
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Description

Technical Field

[0001] This utility model relates to the field of calcium carbonate grinding and sieving technology, specifically to a heavy calcium carbonate grinding and sieving device. Background Technology

[0002] Heavy calcium carbonate, or simply calcium carbonate, is made by grinding natural carbonate minerals such as calcite, marble, and limestone. It is a commonly used powdered inorganic filler with advantages such as high chemical purity, high inertness, low chemical reactivity, good thermal stability, low hardness, low abrasion value, non-toxicity, tastelessness, odorlessness, and good dispersibility.

[0003] Existing heavy calcium carbonate grinding and screening equipment cannot directly process the large number of unqualified particles after screening. Workers need to remove the unqualified particles and re-grind them, which reduces work efficiency and is inconvenient for workers to use. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a heavy calcium carbonate grinding and sieving device to solve the problem mentioned in the background art that existing heavy calcium carbonate grinding and sieving devices cannot directly process the large number of unqualified particles after sieving, requiring workers to remove the unqualified particles and re-grind them, which reduces work efficiency and is inconvenient for workers to use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a heavy calcium carbonate grinding and screening device, comprising a grinding barrel, a support leg fixedly connected to the bottom of the grinding barrel, a servo motor fixedly connected to the bottom of the grinding barrel, a rotating shaft fixedly connected to the output end of the servo motor, a mounting base fixedly connected to the top of the rotating shaft, a mounting hole provided on the surface of the mounting base, a mounting tenon engaged inside the mounting hole, a collecting cylinder fixedly connected to the top of the mounting tenon, a screening cylinder fixedly connected inside the collecting cylinder, a second mounting block fixedly connected to the upper right side of the grinding barrel, a connecting seat fixedly connected to the upper left side of the grinding barrel, a connecting block rotatably connected inside the connecting seat, a barrel cover fixedly connected to the top right side of the connecting block, a hydraulic rod fixedly connected to the top of the barrel cover, a grinding block fixedly connected to the bottom of the hydraulic rod, a first mounting block fixedly connected to the right side of the barrel cover, and a hand-tightening bolt threaded inside the first mounting block.

[0006] Preferably, the number of mounting holes is several, and the several mounting holes are distributed in a circular array on the surface of the mounting base, and the several mounting holes all penetrate the inner wall of the mounting base.

[0007] Preferably, the number and position of the mounting tenons correspond to the number and position of the mounting holes, and the diameter of the mounting tenons is adapted to the diameter of the mounting holes.

[0008] By using the above technical solution, and through the use of mounting holes and mounting clips, the collecting cylinder can be installed on the mounting base by inserting the mounting clips into the mounting holes. This makes it convenient for workers to remove the ground heavy calcium carbonate and make it easy for them to use.

[0009] Preferably, the grinding block is located directly above the sieving cylinder, and the diameter of the grinding block is smaller than the inner wall diameter of the sieving cylinder.

[0010] By adopting the above technical solution, a sieve cylinder and grinding blocks are used together. The servo motor drives the mounting base to rotate through the rotating shaft, and the mounting base in turn drives the sieve cylinder to rotate. The grinding blocks can be inserted into the sieve cylinder through the hydraulic rod. Together with the rotation of the sieve cylinder, they grind heavy calcium carbonate. The qualified powder is thrown into the collection cylinder under the action of centrifugal force, while the unqualified particles are blocked by the sieve cylinder and continue to be ground until they are qualified. This improves work efficiency and makes it convenient for workers to use.

[0011] Preferably, the shape of the first mounting block is adapted to the shape of the second mounting block, and the position of the first mounting block corresponds to the position of the second mounting block.

[0012] Preferably, the output end of the servo motor passes through the bottom wall of the grinding barrel and extends into the interior of the grinding barrel.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This heavy calcium carbonate grinding and sieving device uses a sieve cylinder and grinding blocks in conjunction. A servo motor drives the mounting base to rotate via a rotating shaft, which in turn drives the sieve cylinder to rotate. The qualified powder is thrown into the collection cylinder through the pores of the sieve cylinder under the action of centrifugal force, while the unqualified particles are blocked by the sieve cylinder and continue to be ground until they are qualified. This improves work efficiency and makes it convenient for workers to use.

[0015] 2. This heavy calcium carbonate grinding and screening device is designed with mounting holes and mounting clips. The mounting clips disengage from the mounting holes, causing the collection cylinder to separate from the mounting base. At this point, the operator can remove the collection cylinder from the grinding barrel, making it convenient for the operator to collect the ground heavy calcium carbonate in the collection cylinder. This also allows the operator to clean the collection cylinder and screening cylinder for easy use. Attached Figure Description

[0016] Figure 1 This is a front view structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the grinding barrel of this utility model;

[0019] Figure 4 This is a schematic diagram of the bucket lid structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the screening cylinder structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the collecting cylinder structure of this utility model.

[0022] In the diagram: 1. Grinding barrel; 2. Support leg; 3. Servo motor; 4. Connecting seat; 5. Connecting block; 6. Barrel lid; 7. Hydraulic rod; 8. Mounting block one; 9. Hand-tightening bolt; 10. Mounting block two; 11. Rotating shaft; 12. Mounting seat; 13. Mounting hole; 14. Collection cylinder; 15. Mounting latch; 16. Screening cylinder; 17. Grinding block. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1:

[0025] Referring to Figures 1-5, a heavy calcium carbonate grinding and sieving device includes a grinding barrel 1. A support leg 2 is fixedly connected to the bottom of the grinding barrel 1. A servo motor 3 is fixedly connected to the bottom of the grinding barrel 1. The output end of the servo motor 3 passes through the bottom wall of the grinding barrel 1 and extends into the interior of the grinding barrel 1. A rotating shaft 11 is fixedly connected to the output end of the servo motor 3. A mounting base 12 is fixedly connected to the top of the rotating shaft 11. A mounting hole 13 is provided on the surface of the mounting base 12. A mounting tenon 15 is engaged inside the mounting hole 13. A collecting cylinder 14 is fixedly connected to the top of the mounting tenon 15. A sieving cylinder 16 is fixedly connected inside the collecting cylinder 14. A sieving cylinder 16 is fixedly connected to the upper right side of the grinding barrel 1. A mounting block 2 10 is fixedly connected. A connecting seat 4 is fixedly connected to the upper left side of the grinding barrel 1. A connecting block 5 is rotatably connected inside the connecting seat 4. A barrel cover 6 is fixedly connected to the top right side of the connecting block 5. A hydraulic rod 7 is fixedly connected to the top of the barrel cover 6. A grinding block 17 is fixedly connected to the bottom of the hydraulic rod 7. The grinding block 17 is located directly above the screening cylinder 16, and the diameter of the grinding block 17 is smaller than the inner wall diameter of the screening cylinder 16. A mounting block 1 8 is fixedly connected to the right side of the barrel cover 6. The shape of the mounting block 1 8 matches the shape of the mounting block 2 10, and the position of the mounting block 1 8 corresponds to the position of the mounting block 2 10. A hand-tightening bolt 9 is threaded inside the mounting block 1 8.

[0026] Working principle: During use, the operator unscrews the hand-tightening bolt 9 from mounting block 1 8 and mounting block 2 10, locking the lid 6. The operator then pushes the lid 6 to rotate 180 degrees around the connecting seat 4, opening the lid 6. At this time, the operator puts the heavy calcium carbonate to be ground into the sieve cylinder 16, closes the lid 6 again, and locks it with the hand-tightening bolt 9. The operator starts the servo motor 3, which drives the mounting seat 12 to rotate via the rotating shaft 11. The mounting seat 12 then drives the sieve cylinder 16 to rotate. At this time, the operator starts the hydraulic rod 7, which drives the grinding block 17 to extend into the sieve cylinder 16 and squeeze the heavy calcium carbonate. With the rotation of the sieve cylinder 16, the heavy calcium carbonate can be ground into qualified powder. The qualified powder is thrown into the collection cylinder 14 through the holes of the sieve cylinder 16 under the action of centrifugal force. Unqualified particles are blocked by the sieve cylinder 16 and continue to be ground until qualified, improving work efficiency and making it convenient for operators to use.

[0027] Compared with related technologies, the heavy calcium carbonate grinding and sieving device provided by this utility model has the following beneficial effects: by setting up a sieving cylinder 16, grinding blocks 17 and other components for use, the servo motor 3 drives the mounting base 12 to rotate through the rotating shaft 11, and the mounting base 12 in turn drives the sieving cylinder 16 to rotate. The qualified powder is thrown into the collection cylinder 14 through the holes of the sieving cylinder 16 under the action of centrifugal force, while the unqualified particles are blocked by the sieving cylinder 16 and continue to be ground until they are qualified, which improves work efficiency and makes it convenient for workers to use.

[0028] Example 2:

[0029] Referring to Figures 1-6, a support leg 2 is fixedly connected to the bottom of the grinding barrel 1. A servo motor 3 is also fixedly connected to the bottom of the grinding barrel 1. A rotating shaft 11 is fixedly connected to the output end of the servo motor 3. A mounting base 12 is fixedly connected to the top of the rotating shaft 11. The surface of the mounting base 12 has several mounting holes 13 arranged in a circular array on the surface of the mounting base 12. All mounting holes 13 penetrate the inner wall of the mounting base 12. Mounting latches 15 are engaged inside the mounting holes 13. The number and position of the mounting latches 15 correspond to the mounting holes 13. The quantity and position correspond, and the diameter of the mounting tenon 15 matches the diameter of the mounting hole 13. The top of the mounting tenon 15 is fixedly connected to the collecting cylinder 14, and the inside of the collecting cylinder 14 is fixedly connected to the screening cylinder 16. The upper left side of the grinding barrel 1 is fixedly connected to the connecting seat 4, and the inside of the connecting seat 4 is rotatably connected to the connecting block 5. The top right side of the connecting block 5 is fixedly connected to the barrel cover 6, the top of the barrel cover 6 is fixedly connected to the hydraulic rod 7, the bottom of the hydraulic rod 7 is fixedly connected to the grinding block 17, the right side of the barrel cover 6 is fixedly connected to the mounting block 8, and the inside of the mounting block 8 is threaded with a hand-tightening bolt 9.

[0030] Working principle: After grinding and screening are completed, the operator can open the barrel cover 6 and lift the collection cylinder 14 upwards. The upward movement of the collection cylinder 14 will cause the mounting clip 15 to disengage from the mounting hole 13, thus separating the collection cylinder 14 from the mounting base 12. At this time, the operator can remove the collection cylinder 14 from the grinding barrel 1, making it convenient for the operator to collect the ground heavy calcium carbonate in the collection cylinder 14. At the same time, the operator can clean the collection cylinder 14 and the screening cylinder 16 for easy use.

[0031] Compared with related technologies, the heavy calcium carbonate grinding and screening device provided by this utility model has the following beneficial effects: by setting the mounting hole 13 and the mounting tenon 15, the mounting tenon 15 is disengaged from the mounting hole 13, which drives the collection cylinder 14 to separate from the mounting base 12. At this time, the worker can take the collection cylinder 14 out of the grinding barrel 1, which makes it convenient for the worker to collect the ground heavy calcium carbonate in the collection cylinder 14. At the same time, the worker can clean the collection cylinder 14 and the screening cylinder 16, which is convenient for the worker to use.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding and sieving device for heavy calcium carbonate, comprising a grinding drum (1), characterized in that: The bottom of the grinding barrel (1) is fixedly connected to a support leg (2), and the bottom of the grinding barrel (1) is fixedly connected to a servo motor (3). The output end of the servo motor (3) is fixedly connected to a rotating shaft (11), and the top of the rotating shaft (11) is fixedly connected to a mounting base (12). The surface of the mounting base (12) is provided with a mounting hole (13), and a mounting tenon (15) is engaged inside the mounting hole (13). The top of the mounting tenon (15) is fixedly connected to a collecting cylinder (14), and the inside of the collecting cylinder (14) is fixedly connected to a screening cylinder (16). The grinding barrel (1) is fixedly connected to the upper right side of the grinding barrel (1), and the grinding barrel (1) is fixedly connected to the upper left side of the grinding barrel (1). The connecting block (5) is rotatably connected inside the connecting block (4). The barrel cover (6) is fixedly connected to the top right side of the connecting block (5). The top of the barrel cover (6) is fixedly connected to the hydraulic rod (7). The bottom of the hydraulic rod (7) is fixedly connected to the grinding block (17). The right side of the barrel cover (6) is fixedly connected to the first mounting block (8). The first mounting block (8) is threadedly connected to the inside of the first mounting block (8) with a hand-tightening bolt (9).

2. The heavy calcium carbonate grinding and sieving device according to claim 1, characterized in that: The number of mounting holes (13) is several, and the several mounting holes (13) are arranged in a ring array on the surface of the mounting base (12), and the several mounting holes (13) all penetrate the inner wall of the mounting base (12).

3. The heavy calcium carbonate grinding and sieving device according to claim 1, characterized in that: The number and position of the mounting tenons (15) correspond to the number and position of the mounting holes (13), and the diameter of the mounting tenons (15) is adapted to the diameter of the mounting holes (13).

4. The heavy calcium carbonate grinding and sieving device according to claim 1, characterized in that: The grinding block (17) is located directly above the sieve cylinder (16), and the diameter of the grinding block (17) is smaller than the inner wall diameter of the sieve cylinder (16).

5. The heavy calcium carbonate grinding and sieving device according to claim 1, characterized in that: The shape of the first mounting block (8) is adapted to the shape of the second mounting block (10), and the position of the first mounting block (8) corresponds to the position of the second mounting block (10).

6. The heavy calcium carbonate grinding and sieving device according to claim 1, characterized in that: The output end of the servo motor (3) passes through the bottom wall of the grinding barrel (1) and extends into the interior of the grinding barrel (1).