Perovskite freezing grinding machine

Abstract

The utility model discloses a perovskite freezing and grinding machine, which belongs to the technical field of freezing and grinding machines and comprises a machine body, cold air input pipes connected to two sides of the outer wall of the machine body and a perovskite grinding component positioned in the machine body, a fixed seat is fixed at the bottom of an inner cavity of the machine body, and the inside of the fixed seat is hollow. A motor is fixedly installed in the fixing base and needs external electric power facilities to supply power, the perovskite grinding assembly comprises a main grinding hammer coaxially connected to an output shaft of the motor and an auxiliary compression basin arranged on the outer side of the main grinding hammer in a sleeving mode, and multiple sets of protruding teeth are welded to the outer wall of the main grinding hammer. Extending bases are welded to the tops of the two opposite sides of the inner cavity of the machine body correspondingly. According to the perovskite freezing grinding machine, the size of the space in the grinding fine groove can be continuously changed, so that perovskite is in finer and more complex contact and crushing with the protruding teeth in the grinding fine groove, the perovskite is ground more violently, and the crushing and grinding efficiency of the perovskite is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of freezing grinders, in particular to a perovskite freezing grinder. Background Art

[0002] In the crushing of perovskite, in order to make its structure easier to disintegrate and break, a corresponding cryogenic grinder is needed. The cryogenic grinder provides a freezing environment and grinds the perovskite at the same time, which can disintegrate and break it more efficiently.

[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: when the current cryogenic grinder used for perovskite is in operation, the grinding hammer (or other corresponding grinding structure) usually cannot be changed in position and can only rotate on its own, resulting in insufficient grinding of the perovskite, and thus the efficiency is still somewhat low.

[0004] To this end, we proposed a perovskite cryo-grinder to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a perovskite freezing grinder, which can continuously change the size of the space in the grinding groove, so that the perovskite has more delicate and complex contact and crushing with the protruding teeth in the grinding groove, making the grinding of the perovskite more intense, improving the efficiency of its crushing and grinding, and effectively solving the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A perovskite freezing grinding machine comprises a machine body, a cold air input pipe connected to both sides of the outer wall of the machine body and a perovskite grinding assembly located in the machine body, a fixing seat is fixed at the bottom of the inner cavity of the machine body, wherein the interior of the fixing seat is of hollow design, a motor is fixedly installed in the fixing seat, and the motor needs to be powered by external power facilities, the perovskite grinding assembly comprises a main grinding hammer coaxially connected to the output shaft of the motor and a secondary compression basin sleeved on the outside of the main grinding hammer, and a plurality of groups of protruding teeth are welded on the outer wall of the main grinding hammer;

[0008] Extension seats are welded to the tops of the two opposite sides of the body cavity, cylinders are installed on the two extension seats, and the bottoms of the two cylinders are connected to conveying rods, ear plates are welded to the bottoms of the two conveying rods, and the two ear plates are integrally welded to the two sides of the top wall of the auxiliary compression basin, a grinding groove is formed between the main grinding hammer and the auxiliary compression basin, and a discharge groove is formed in the body cavity below the grinding groove.

[0009] As a preferred embodiment, bottom fixing plates are symmetrically welded to two opposite side walls of the fixing seat, and the two bottom fixing plates are welded to the bottom of the inner cavity of the machine body, so that the fixing seat and the motor therein maintain structural stability.

[0010] As a preferred embodiment, protective shells are fixedly connected to the top walls of the two extension seats, and the two cylinders are located on the inner sides of the two protective shells, respectively; so that the two protective shells can protect the two cylinders respectively.

[0011] As a preferred embodiment, the two transmission rods are both vertically arranged and respectively connected to the bottom walls of the two extension seats, so that the transmission rods can be normally extended and retracted and the structure is more stable.

[0012] As a preferred embodiment, each group of protruding teeth is provided with multiple groups and distributed in a circular array along the central axis of the main grinding hammer, and multiple groups of protruding teeth are distributed at equal intervals on the outer wall of the main grinding hammer; so that multiple groups of protruding teeth can more finely resist, squeeze and crush the perovskite.

[0013] As a preferred embodiment, an extension ring is welded at the bottom of the outer wall of the main grinding hammer, wherein the bottom of the extension ring is sleeved on the outside of the fixed seat; thereby preventing the perovskite material from entering the fixed seat during the grinding process.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] The perovskite freezing grinder can continuously change the size of the space in the grinding groove by running the motor to drive the main grinding hammer to operate, and cooperate with two cylinders to drive the auxiliary compression basin to rise and fall in a small range, so that the perovskite can have more delicate and complex contact and crushing with the protruding teeth in the grinding groove, making the grinding of the perovskite more intense and improving the efficiency of its crushing and grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of one side of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the other side of the utility model;

[0018] Figure 3 It is a vertical cross-sectional view of the utility model.

[0019] In the figure: 1. Machine body; 2. Bottom fixing plate; 3. Fixing seat; 4. Motor; 5. Heat dissipation opening; 6. Main grinding hammer; 7. Protruding teeth; 8. Extension seat; 9. Cylinder; 10. Protective shell; 11. Transmission rod; 12. Ear plate; 13. Auxiliary compression basin; 14. Grinding groove; 15. Discharge trough; 16. Extension ring; 17. Cold air inlet pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3 A perovskite freezing grinding machine comprises a machine body 1, a cold air inlet pipe 17 connected to both sides of the outer wall of the machine body 1 and a perovskite grinding assembly located in the machine body 1, the cold air inlet pipe 17 is connected to the external cold air supply facility, the cold air can be gaseous dry ice or other substances with a freezing effect, so as to cool the entire inner cavity of the machine body 1, and at the same time, cold air can be added from the opening at the top of the inner cavity of the machine body 1 or liquid nitrogen can be directly poured in, a fixing seat 3 is fixed at the bottom of the inner cavity of the machine body 1, wherein the interior of the fixing seat 3 is a hollow design, a motor 4 is fixedly installed in the fixing seat 3, and bottom fixing plates 2 are symmetrically welded on the opposite side walls of the fixing seat 3, The two bottom fixing plates 2 are welded to the bottom of the inner cavity of the machine body 1, so that the fixing seat 3 and the motor 4 therein maintain structural stability. The motor 4 needs to be powered by external power facilities. The bottom plate of the fixing seat 3 is formed with multiple heat dissipation openings 5. The perovskite grinding assembly includes a main grinding hammer 6 coaxially connected to the output shaft of the motor 4 and a secondary compression basin 13 sleeved on the outside of the main grinding hammer 6. A plurality of groups of protruding teeth 7 are welded on the outer wall of the main grinding hammer 6. Each group of protruding teeth 7 is provided with a plurality of teeth and is distributed in a circular array along the central axis of the main grinding hammer 6. The plurality of groups of protruding teeth 7 are evenly spaced on the outer wall of the main grinding hammer 6, so that the plurality of groups of protruding teeth 7 can more finely resist, squeeze and crush the perovskite.

[0022] Extension seats 8 are welded to the tops of the two opposite sides of the inner cavity of the machine body 1, and cylinders 9 are respectively installed on the two extension seats 8. Protective shells 10 are respectively fixedly connected to the top walls of the two extension seats 8, and the two cylinders 9 are respectively located on the inner sides of the two protective shells 10, so that the two protective shells 10 respectively protect the two cylinders 9, and the bottoms of the two cylinders 9 are respectively connected to transmission rods 11, which are both vertically arranged and respectively connected to the bottom walls of the two extension seats 8, so that the transmission rods 11 can be normally extended. The machine body 1 has a compact structure and a more stable structure. Ear plates 12 are respectively welded at the bottom of the two conveying rods 11. The two ear plates 12 are respectively welded to the two sides of the top wall of the auxiliary compression basin 13 in an integral manner. A grinding groove 14 is formed between the main grinding hammer 6 and the auxiliary compression basin 13, and a discharge groove 15 is formed below the grinding groove 14 in the inner cavity of the machine body 1. An extension ring 16 is welded at the bottom of the outer wall of the main grinding hammer 6, wherein the bottom of the extension ring 16 is sleeved on the outside of the fixed seat 3, thereby preventing the material of the perovskite from entering the fixed seat 3 during the grinding process.

[0023] The perovskite freezing grinding machine: when in operation, the driving motor 4 is powered on to drive the main grinding hammer 6 to run at a constant speed, and the perovskite to be ground is added through the opening at the top of the inner cavity of the machine body 1 (dry ice or liquid nitrogen is added to the opening at the top of the inner cavity of the machine body 1 to make the cooling material directly combine with the perovskite, and gaseous dry ice and other cooling materials are added through the cold air input pipe 17 for auxiliary cooling), so that the perovskite falls into the grinding groove 14 between the main grinding hammer 6 and the auxiliary compression basin 13. At this time, the main grinding hammer 6 and its upper The multiple groups of protruding teeth 7 will resist, squeeze and crush the perovskite, and cooperate with the outer wall of the main grinding hammer 6 and the inner wall of the grinding groove 14 to perform grinding work. At the same time, the two cylinders 9 can be driven to operate synchronously, driving the two transmission rods 11 to descend or rise synchronously, so that the auxiliary compression basin 13 can be raised and lowered in a small range, thereby changing the space in the grinding groove 14, so as to make the grinding of the perovskite more intense, thereby improving the efficiency of the perovskite grinding, and the ground material is discharged from the discharge trough 15.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A perovskite freezing grinding machine, comprising a machine body (1), a cold air inlet pipe (17) connected to both sides of the outer wall of the machine body (1), and a perovskite grinding assembly located in the machine body (1), characterized in that: A fixing seat (3) is fixed at the bottom of the inner cavity of the machine body (1), a motor (4) is fixedly installed in the fixing seat (3), the perovskite grinding assembly comprises a main grinding hammer (6) coaxially connected to the output shaft of the motor (4) and a secondary compression basin (13) sleeved on the outside of the main grinding hammer (6), and the outer wall of the main grinding hammer (6) is welded with multiple groups of protruding teeth (7); Extension seats (8) are respectively welded to the tops of two opposite sides of the inner cavity of the machine body (1), and cylinders (9) are respectively installed on the two extension seats (8), and the bottoms of the two cylinders (9) are respectively connected to transmission rods (11), and the bottoms of the two transmission rods (11) are respectively welded with ear plates (12), and the two ear plates (12) are respectively welded to the two sides of the top wall of the auxiliary compression basin (13) in an integral manner, and a grinding groove (14) is formed between the main grinding hammer (6) and the auxiliary compression basin (13), and a discharge groove (15) is formed in the inner cavity of the machine body (1) below the grinding groove (14).

2. A perovskite freezing grinding machine according to claim 1, characterized in that: Bottom fixing plates (2) are symmetrically welded to two opposite side walls of the fixing seat (3), and the two bottom fixing plates (2) are welded to the bottom of the inner cavity of the machine body (1).

3. A perovskite freezing grinding machine according to claim 1, characterized in that: The top walls of the two extension seats (8) are respectively fixedly connected with protective shells (10), and the two cylinders (9) are respectively located on the inner sides of the two protective shells (10).

4. A perovskite freezing grinding machine according to claim 1, characterized in that: The two transmission rods (11) are both vertically arranged and respectively connected to the bottom walls of the two extension seats (8).

5. A perovskite freezing grinding machine according to claim 1, characterized in that: Each group of protruding teeth (7) is provided with a plurality of protruding teeth (7) and is distributed in a circular array along the central axis of the main grinding hammer (6), and the plurality of groups of protruding teeth (7) are distributed at equal intervals on the outer wall of the main grinding hammer (6).

6. A perovskite freezing grinding machine according to claim 1, characterized in that: An extension ring (16) is welded to the bottom of the outer wall of the main grinding hammer (6), wherein the bottom of the extension ring (16) is sleeved on the outer side of the fixing seat (3).

Images