Molding powder grinding machine

By designing a quantitative grinding mechanism in a plastic powder grinder to control the input and grinding process of plastic powder raw materials, the problem of excessive equipment load caused by large particle size of plastic powder raw materials is solved, and the grinding efficiency and equipment service life are improved.

CN222987347UActive Publication Date: 2025-06-17JINAN BEILI POWDER ENG TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421648598.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-06-17
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

The particle size of the plastic powder raw material is relatively large. When grinding, it is necessary to continuously input the grinder, resulting in excessive input of raw materials that will cause load on the grinding equipment and affect the grinding efficiency.

Method used

A plastic powder grinder is designed, which includes a quantitative grinding mechanism. Through the grinding funnel, grinding disc, rotating rod and gear system, the input and grinding process of the plastic powder raw material are controlled to ensure that the raw material is fed intermittently during the grinding process and avoid excessive load on the equipment.

Benefits of technology

By controlling the input and grinding process of plastic powder raw materials, the grinding efficiency of plastic powder raw materials is improved, the equipment load is reduced, and the equipment service life is extended.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222987347U_ABST
    Figure CN222987347U_ABST
Patent Text Reader

Abstract

The utility model discloses a molding powder grinding machine, which relates to the technical field of molding powder processing equipment, and adopts the technical scheme that the molding powder grinding machine comprises an outer shell, and a quantitative grinding mechanism is arranged in the outer shell; the quantitative grinding mechanism comprises a grinding funnel, the grinding funnel is fixedly arranged on the inner wall of the outer shell, a grinding disc is arranged in the grinding funnel, a rotating rod is fixedly arranged at the top of the grinding disc, the rotating rod is fixedly sleeved with a second gear, the top of the rotating rod is connected with a rotating disc through a bearing, and the rotating rod is sleeved with a circular plate through a bearing. The plastic powder raw material grinding device has the beneficial effects that intermittent feeding is achieved through the feeding pipe, plastic powder raw materials slide downwards in the grinding funnel and are extruded by the rotating grinding disc, the plastic powder raw materials are crushed and fall into the grinding shell, the ground plastic powder raw materials fall on the top of the grinding plate, and the plastic powder raw materials fall into the grinding shell through rotation of the grinding plate; molding powder raw materials make contact with the inner wall of the grinding shell, the molding powder raw materials continue to be crushed and ground, and the grinding efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of plastic powder processing equipment, and particularly relates to a plastic powder grinding machine. Background Art

[0002] Plastic powder belongs to powdery materials and needs to be ground by a grinding machine.

[0003] The existing plastic powder raw materials have a relatively large particle size. When grinding, the raw materials need to be continuously input into the grinding machine. Excessive input of plastic powder raw materials is likely to cause a load on the grinding equipment and affect the grinding efficiency. Content of the Utility Model

[0004] Therefore, the utility model provides a plastic powder grinding machine to solve the problem that the plastic powder raw materials have a relatively large particle size. When grinding, the raw materials need to be continuously input into the grinding machine. Excessive input of plastic powder raw materials is likely to cause a load on the grinding equipment and affect the grinding efficiency.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a plastic powder grinding machine, including an outer shell, and a quantitative grinding mechanism is arranged inside the outer shell;

[0006] The quantitative grinding mechanism includes a grinding funnel, the grinding funnel is fixedly arranged on the inner wall of the outer shell, a grinding disc is arranged inside the grinding funnel, a rotating rod is fixedly arranged at the top of the grinding disc, a second gear is fixedly sleeved outside the rotating rod, the top of the rotating rod is connected with a turntable through a bearing, a circular plate is sleeved outside the rotating rod through a bearing, a plurality of connecting rods are connected to the top of the circular plate through bearings, a first gear is fixedly sleeved outside each of the plurality of connecting rods, the first gear meshes with the second gear, a toothed ring is fixedly arranged at the bottom of the turntable, the toothed ring meshes with the first gear, and a feed pipe is fixedly arranged at the bottom of the turntable.

[0007] Preferably, a plurality of fixing rods are fixedly connected to the outside of the outer shell, one end of each of the plurality of fixing rods is fixedly connected with a storage box, and a feeding pipe is fixedly arranged at the bottom of the storage box.

[0008] Preferably, a feeding pipe is fixedly arranged at the top of the storage box.

[0009] Preferably, a plurality of support columns are fixedly arranged at the bottom of the grinding funnel, a grinding housing is fixedly arranged at the bottom of each of the plurality of support columns, a grinding plate is arranged at the bottom of the grinding housing, and a transmission rod is fixedly arranged at the top of the grinding plate and fixedly connected to the bottom of the grinding disc.

[0010] Preferably, a discharge pipe is fixedly arranged at the bottom of the outer shell.

[0011] Preferably, a plurality of support legs are fixedly arranged at the bottom of the outer shell.

[0012] Preferably, a support plate is fixedly provided on one side of the plurality of support legs.

[0013] Preferably, a motor is fixedly provided on the top of the support plate. The output end of the motor is fixedly connected to a transmission shaft. The transmission shaft penetrates through the discharge pipe and is connected to the connection part of the discharge pipe through a bearing. The transmission shaft is fixedly connected to the grinding plate.

[0014] Preferably, a plurality of connecting rods are fixedly provided at the bottom of the circular plate. The connecting rods are fixedly connected to the inner wall of the grinding funnel.

[0015] The embodiment of the present invention has the following advantages:

[0016] By controlling the slow rotation of the turntable, after the feed pipe at the bottom of the turntable rotates to the bottom of the material conveying pipe, the plastic powder raw material falls into the grinding funnel through the feed pipe. Through intermittent feeding of the feed pipe, the plastic powder raw material slides downward in the grinding funnel and is extruded by the rotating grinding disc, so that the plastic powder raw material is broken and falls into the grinding shell. The ground plastic powder raw material falls on the top of the grinding plate. By rotating the grinding plate, the plastic powder raw material is brought into contact with the inner wall of the grinding shell, so that the plastic powder raw material is continuously broken and ground, improving the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can be obtained according to the provided drawings.

[0018] The structures, ratios, sizes, etc. illustrated in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions under which the present invention can be implemented. Therefore, they do not have technical essence. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present invention.

[0019] Figure 1 It is the overall structure schematic diagram provided by the present invention;

[0020] Figure 2 It is the overall structure sectional view provided by the present invention;

[0021] Figure 3 It is the overall structure top sectional view provided by the present invention;

[0022] Figure 4The top-down perspective view of the grinding disc provided by the present utility model;

[0023] Figure 5 The bottom-up perspective view of the grinding disc provided by the present utility model;

[0024] Figure 6 Provided by the present utility model Figure 2 The enlarged view of the structure of part A in

[0025] In the figure: 1. Outer shell; 2. Fixed rod; 3. Turntable; 4. Feed pipe; 5. Storage box; 6. Feed inlet pipe; 7. Discharge pipe; 8. Support leg; 9. Support plate; 10. Motor; 11. Transmission shaft; 12. Feeding pipe; 13. Support column; 14. Grinding plate; 15. Grinding shell; 16. Transmission rod; 17. Grinding funnel; 18. Grinding disc; 19. Connecting rod; 20. Tooth ring; 21. Circular plate; 22. Rotating rod; 23. Link rod; 24. First gear; 25. Second gear. Specific embodiments

[0026] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand the other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Referring to the attached Figure 1 - attached Figure 6 , a plastic powder grinder provided by the present utility model includes an outer shell 1, and a quantitative grinding mechanism is arranged inside the outer shell 1;

[0028] The quantitative grinding mechanism includes a grinding funnel 17, which is fixedly arranged on the inner wall of the outer casing 1. A grinding disc 18 is arranged inside the grinding funnel 17. A rotating rod 22 is fixedly arranged at the top of the grinding disc 18. A second gear 25 is fixedly sleeved outside the rotating rod 22. The top of the rotating rod 22 is connected to a turntable 3 through a bearing. A circular plate 21 is sleeved outside the rotating rod 22 through a bearing. A plurality of connecting rods 23 are connected to the top of the circular plate 21 through bearings. A first gear 24 is fixedly sleeved outside each of the plurality of connecting rods 23. The first gear 24 meshes with the second gear 25. A toothed ring 20 is fixedly arranged at the bottom of the turntable 3. The toothed ring 20 meshes with the first gear 24. A feed pipe 12 is fixedly arranged at the bottom of the turntable 3. A plurality of support columns 13 are fixedly arranged at the bottom of the grinding funnel 17. A grinding housing 15 is fixedly arranged at the bottom of the plurality of support columns 13. A grinding plate 14 is arranged at the bottom of the grinding housing 15. A transmission rod 16 is fixedly arranged at the top of the grinding plate 14. The transmission rod 16 is fixedly connected to the bottom of the grinding disc 18. A plurality of connecting rods 19 are fixedly arranged at the bottom of the circular plate 21. The connecting rods 19 are fixedly connected to the inner wall of the grinding funnel 17;

[0029] In this embodiment, the grinding disc 18 rotates, the grinding disc 18 drives the rotating rod 22 to rotate, the rotating rod 22 drives the second gear 25 to rotate, the second gear 25 drives the first gear 24 to rotate, the first gear 24 drives the toothed ring 20 to rotate, the toothed ring 20 drives the turntable 3 to rotate slowly. After the feed pipe 12 at the bottom of the turntable 3 rotates to the bottom of the feed pipe 4, the plastic powder raw material inside the feed pipe 4 falls into the feed pipe 12 and then falls into the grinding funnel 17 through the feed pipe 12. Intermittent feeding can be achieved through the feed pipe 12. The plastic powder raw material slides downward in the grinding funnel 17 and is extruded by the rotating grinding disc 18, so that the plastic powder raw material is broken and falls into the grinding housing 15. The ground plastic powder raw material falls on the top of the grinding plate 14. Through the rotation of the grinding plate 14, the plastic powder raw material comes into contact with the inner wall of the grinding housing 15, so that the plastic powder raw material is continuously broken and ground, improving the grinding efficiency;

[0030] Among them, in order to achieve the purpose of storing materials, the following technical solution is adopted in this device: A plurality of fixing rods 2 are fixedly connected to the outside of the outer casing 1. A storage box 5 is fixedly connected to one end of each of the plurality of fixing rods 2. A feed pipe 4 is fixedly arranged at the bottom of the storage box 5. A feed pipe 6 is fixedly arranged at the top of the storage box 5. The plastic powder raw material is injected into the storage box 5 through the feed pipe 6 and enters the feed pipe 4. The raw material is blocked by the turntable 3;

[0031] Among them, in order to achieve the purpose of discharging materials, the following technical solution is adopted in this device: A discharge pipe 7 is fixedly arranged at the bottom of the outer casing 1. The ground plastic powder finished product is discharged through the discharge pipe 7;

[0032] Among them, in order to achieve the purpose of support, the present device is implemented by the following technical solutions: A plurality of support legs 8 are fixedly provided at the bottom of the outer casing 1. A support plate 9 is fixedly provided on one side of the plurality of support legs 8. A motor 10 is fixedly provided on the top of the support plate 9. The output end of the motor 10 is fixedly connected to a transmission shaft 11. The transmission shaft 11 penetrates through the discharge pipe 7 and is connected to the connection part of the discharge pipe 7 through a bearing. The transmission shaft 11 is fixedly connected to the grinding plate 14. The outer casing 1 is supported by the support legs 8, and the motor 10 is supported by the support plate 9. The motor 10 is started, and the motor 10 controls the transmission shaft 11 to rotate. The transmission shaft 11 drives the grinding plate 14 to rotate. The grinding plate 14 drives the transmission rod 16 to rotate. The transmission rod 16 drives the grinding disc 18 to rotate.

[0033] The use process of the present utility model is as follows: When using the present utility model, the plastic powder raw material is injected into the internal part of the storage box 5 through the feed pipe 6 and enters the internal part of the conveying pipe 4. The raw material is blocked by the turntable 3. During grinding, the motor 10 is started. The motor 10 controls the transmission shaft 11 to rotate. The transmission shaft 11 drives the grinding plate 14 to rotate. The grinding plate 14 drives the transmission rod 16 to rotate. The transmission rod 16 drives the grinding disc 18 to rotate. The grinding disc 18 drives the rotating rod 22 to rotate. The rotating rod 22 drives the second gear 25 to rotate. The second gear 25 drives the first gear 24 to rotate. The first gear 24 drives the toothed ring 20 to rotate. The toothed ring 20 drives the turntable 3 to rotate slowly. After the feed pipe 12 at the bottom of the turntable 3 rotates to the bottom of the conveying pipe 4, the plastic powder raw material inside the conveying pipe 4 falls into the feed pipe 12 and falls into the grinding funnel 17 through the feed pipe 12. Through intermittent feeding by the feed pipe 12, the plastic powder raw material slides downward in the grinding funnel 17 and is squeezed by the rotating grinding disc 18, so that the plastic powder raw material is broken and falls into the internal part of the grinding housing 15. The ground plastic powder raw material falls on the top of the grinding plate 14. Through the rotation of the grinding plate 14, the plastic powder raw material comes into contact with the inner wall of the grinding housing 15, so that the plastic powder raw material is continuously broken and ground, improving the grinding efficiency. The ground plastic powder finished product is discharged through the discharge pipe 7.

[0034] The above are only the preferred embodiments of the present utility model. Any person skilled in the art may modify the present utility model by using the technical solutions described above or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solutions of the present utility model falls within the scope of protection required by the present utility model.

Claims

1. A plastic powder grinding machine, comprising an outer shell (1), characterized in that: A quantitative grinding mechanism is provided inside the outer shell (1); The quantitative grinding mechanism comprises a grinding hopper (17), the grinding hopper (17) is fixedly arranged on the inner wall of the outer shell (1), a grinding disc (18) is arranged inside the grinding hopper (17), a rotating rod (22) is fixedly arranged on the top of the grinding disc (18), a second gear (25) is fixedly sleeved on the outside of the rotating rod (22), a rotating disc (3) is connected to the top of the rotating rod (22) via a bearing, a circular plate (21) is arranged on the outside of the rotating rod (22) via a bearing sleeve, a plurality of connecting rods (23) are connected to the top of the circular plate (21) via bearings, a first gear (24) is fixedly sleeved on the outside of the plurality of connecting rods (23), the first gear (24) is meshed with the second gear (25), a gear ring (20) is fixedly arranged on the bottom of the rotating disc (3), the gear ring (20) is meshed with the first gear (24), and a feeding pipe (12) is fixedly arranged on the bottom of the rotating disc (3).

2. A plastic powder grinding machine according to claim 1, characterized in that: The outer shell (1) is fixedly connected to a plurality of fixing rods (2) on the outside, one end of the plurality of fixing rods (2) is fixedly connected to a material storage box (5), and a material delivery pipe (4) is fixedly provided at the bottom of the material storage box (5).

3. A plastic powder grinding machine according to claim 2, characterized in that: A feeding pipe (6) is fixedly provided on the top of the material storage box (5).

4. A plastic powder grinding machine according to claim 1, characterized in that: A plurality of support columns (13) are fixedly provided at the bottom of the grinding funnel (17), a grinding shell (15) is fixedly provided at the bottom of the plurality of support columns (13), a grinding plate (14) is provided at the bottom of the grinding shell (15), a transmission rod (16) is fixedly provided at the top of the grinding plate (14), and the transmission rod (16) is fixedly connected to the bottom of the grinding disc (18).

5. A plastic powder grinding machine according to claim 1, characterized in that: A discharge pipe (7) is fixedly provided at the bottom of the outer shell (1).

6. A plastic powder grinding machine according to claim 5, characterized in that: A plurality of supporting legs (8) are fixedly provided on the bottom of the outer shell (1).

7. A plastic powder grinding machine according to claim 6, characterized in that: A support plate (9) is fixedly provided on one side of the plurality of support legs (8).

8. A plastic powder grinding machine according to claim 7, characterized in that: A motor (10) is fixedly provided on the top of the support plate (9), and a transmission shaft (11) is fixedly connected to the output end of the motor (10). The transmission shaft (11) passes through the discharge pipe (7) and is connected to the discharge pipe (7) at a connection point via a bearing. The transmission shaft (11) is fixedly connected to the grinding plate (14).

9. A plastic powder grinding machine according to claim 1, characterized in that: A plurality of connecting rods (19) are fixedly provided at the bottom of the circular plate (21), and the connecting rods (19) are fixedly connected to the inner wall of the grinding funnel (17).