Freeze-dried powder grinding device

Abstract

The utility model relates to the technical field of grinding devices, in particular to a freeze-dried powder grinding device which comprises a material box and a grinding groove formed in a top opening of the material box, the bottom wall of the grinding groove is an arc-shaped net plate, a top frame is fixedly installed on the material box through a telescopic rod, meanwhile, a cleaning cylinder is fixedly arranged on the bottom side of the top frame, and the cleaning cylinder is fixedly connected with the grinding groove. A motor is arranged in the cleaning barrel, a connecting handle is arranged at the end of an output shaft of the motor, a grinding roller is rotationally installed on the bottom side of the connecting handle, the grinding roller presses and crushes materials in the process that the grinding roller moves into the grinding groove, and when the output shaft of the motor moves downwards to coincide with the corresponding circle center of the arc-shaped net plate, the grinding roller is driven to rotate. The grinding roller is driven by the motor to rotate to grind crushed materials, switching between the crushing state and the grinding state is achieved, bristles on the cleaning cylinder make contact with the surface of the grinding roller in the grinding procedure, the materials attached to the grinding roller are swept, the materials are prevented from being attached to the grinding roller, and the grinding efficiency is improved. And the ground materials fall into the material box from meshes in the arc-shaped screen plate.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a freeze-dried powder grinding device. Background Art

[0002] A grinding device is required in the process of making freeze-dried powder from freeze-dried materials. Publication (announcement) number: CN214390364U, a freeze-dried powder raw material grinding and crushing device for cosmetic production, which uses a crushing roller and a grinding head to crush and grind the material in turn, crushing the bulk material first and then grinding it. There are too many steps, resulting in a large overall volume. Therefore, a freeze-dried powder grinding device is needed, so that the grinding mechanism can switch between the crushing and grinding states. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present scheme provides a freeze-dried powder grinding device, which is achieved by the following specific technical means: it includes a material box and a grinding groove arranged at the top of the material box, the bottom wall of the grinding groove is an arc-shaped mesh plate, and a top frame is fixedly installed on the material box through a telescopic rod, and a cleaning cylinder is fixedly installed on the bottom side of the top frame, and a motor is arranged in the cleaning cylinder, the output shaft of the motor extends to the outside of the cleaning cylinder and a connecting handle is arranged at the end of the output shaft, and a rolling roller is rotatably installed on the bottom side of the connecting handle, and the bristles on the cleaning cylinder are in contact with the surface of the rolling roller.

[0004] Preferred technical solution one: a convex shaft is rotatably provided on the outer wall of the grinding groove, and a sleeve shaft is rotatably provided on the outer side of the convex shaft, a connecting arm 1 is provided on the sleeve shaft, a connecting arm 2 is provided on the convex shaft, cleaning rollers are rotatably provided at the ends of the connecting arm 1 and the connecting arm 2, and a poking protrusion that can be inserted into the mesh is provided on the roller surface of the cleaning roller.

[0005] Preferred technical solution two: A bidirectional transmission control component is provided on the top frame, and the bidirectional transmission control component is connected to the cam shaft and the sleeve shaft at the same time, and is used to control the synchronous and unequal rotation of the cam shaft and the sleeve shaft.

[0006] Preferred technical solution three: A top plate is also installed on the top frame, and the top plate blocks the top opening of the grinding groove when the telescopic rod is extended to push the top frame downward.

[0007] Preferred technical solution four: The bidirectional transmission control component includes gear one mounted on the convex shaft and gear two mounted on the sleeve shaft, and the bidirectional transmission control component also includes rack one and rack two mounted on the top frame, and the rack one and rack two are respectively meshed with gear one and gear two.

[0008] Optimal technical solution five: the rack one and the rack two are respectively located on both sides of the convex shaft.

[0009] The above structure enables this solution to have the following beneficial effects:

[0010] 1. The rolling roller is pushed down into the grinding groove by the extension of the telescopic rod to crush the material, so that the large pieces of material are crushed into small pieces. Then the rolling roller is driven by the motor to rotate and the arc-shaped mesh plate is used to grind the crushed material, realizing the conversion between crushing and grinding.

[0011] 2. The top plate should be closed during the crushing process to prevent the powder from scattering during grinding;

[0012] 3. During the grinding process, the cleaning cylinder arranged above the rolling roller is used to clean the rolling roller in real time;

[0013] 4. Use power transmission to transmit the power of lifting the top frame to the cleaning roller, providing the cleaning roller with power to clean the mesh holes on the curved screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0016] Figure 2 This is a schematic diagram of the internal structure of the material box of this solution;

[0017] Figure 3 This is a schematic diagram of the structure of the grinding groove of this scheme;

[0018] Figure 4 This is a schematic diagram of the structure of the top frame, cleaning cylinder and rolling roller of this scheme;

[0019] Figure 5 This is a schematic diagram of the structure of the cam shaft and sleeve shaft of this scheme.

[0020] Among them, 1. material box, 11. discharge port, 2. grinding groove, 21. arc-shaped mesh plate, 3. top frame, 4. telescopic rod, 5. cleaning cylinder, 6. motor, 7. connecting handle, 8. rolling roller, 9. cam shaft, 10. sleeve shaft, 12. connecting arm one, 13. connecting arm two, 14. cleaning roller, 141. poking protrusion, 15. two-way transmission control component, 151. gear one, 152. gear two, 153. rack one, 154. rack two, 16. top plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The freeze-dried powder grinding device comprises a material box 1 and a grinding trough 2 arranged at the top of the material box 1. A discharge port 11 is arranged at the bottom of the material box 1. The bottom wall of the grinding trough 2 is an arc-shaped mesh plate 21. A top frame 3 is fixedly installed on the material box 1 through a telescopic rod 4. The top frame 3 is directly opposite to the top of the grinding trough 2. A top plate 16 is also installed on the top frame 3. When the telescopic rod 4 extends and pushes the top frame 3 to move downward, the top plate 16 blocks the top of the grinding trough 2. At the same time, a cleaning cylinder 5 is fixedly arranged on the bottom side of the top frame 3. A motor 6 is arranged in the cleaning cylinder 5. The output shaft of the motor 6 extends to the outside of the cleaning cylinder 5 and a connecting handle 7 is arranged at the end of the output shaft. The output shaft of the motor 6 is connected to the cleaning cylinder 5 coincides with the central axis of the connecting handle 7, and a rolling roller 8 is rotatably installed on the bottom side of the connecting handle 7. During the extension of the telescopic rod 4 to drive the rolling roller 8 to move into the grinding groove 2, the rolling roller 8 is used to press and crush the material in the grinding groove 2. When the output shaft of the motor 6 moves down to coincide with the center of the circle corresponding to the arc-shaped mesh plate 21, the rolling roller 8 is driven by the motor 6 to rotate to grind the crushed material. At this time, the bristles on the cleaning cylinder 5 contact the surface of the rolling roller 8 to clean the material attached to the rolling roller 8 to prevent the material from sticking to the grinding roller. The ground material falls into the material box 1 from the mesh holes on the arc-shaped mesh plate 21 and is finally discharged from the discharge port 11.

[0023] See also Figure 3 and Figure 5 , a freeze-dried powder grinding device, a convex shaft 9 coinciding with the central axis of the circle corresponding to the arc-shaped mesh plate 21 is rotatably provided on the outer wall of the grinding groove 2, and a sleeve shaft 10 is rotatably sleeved on the outer side of the convex shaft 9, a connecting arm 12 is provided on the sleeve shaft 10, and a connecting arm 2 13 is provided on the convex shaft 9. Cleaning rollers 14 are rotatably provided at the ends of the connecting arm 12 and the connecting arm 2 13, and a poking protrusion 141 is provided on the roller surface of the cleaning roller 14. During the swinging process of the connecting arm 12 and the connecting arm 2 13, the poking protrusion 141 is inserted into the mesh hole as the cleaning roller 14 rotates in contact with the arc-shaped mesh plate 21 to clean the clogged mesh hole.

[0024] See also Figure 3, a freeze-dried powder grinding device, a bidirectional transmission control component 15 is arranged on the top frame 3, the bidirectional transmission control component 15 includes a gear 151 sleeved on the convex shaft 9 and a gear 2 152 sleeved on the sleeve shaft 10, the bidirectional transmission control component 15 also includes a rack 153 and a rack 2 154 arranged on the top frame 3, the rack 153 and the rack 2 154 are respectively located on both sides of the convex shaft 9, and the rack 153 and the rack 2 154 are respectively engaged with the gear 151 and the gear 2 152, which are used to drive the convex shaft 9 and the sleeve shaft 10 to rotate synchronously in opposite directions, that is, when the top frame 3 moves down, the connecting arm 12 and the connecting arm 2 13 are controlled to swing up to the upper side of the arc-shaped mesh plate 21 to avoid affecting the grinding and filtration. After the grinding is completed, when the top frame 3 moves up, the connecting arm 12 and the connecting arm 2 13 are controlled to swing down so that the cleaning roller 14 fits the arc-shaped mesh plate 21 and rotates and moves down to complete the cleaning of the mesh.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A freeze-dried powder grinding device, comprising a material box (1) and a grinding tank (2) arranged at the top of the material box (1), characterized in that: The bottom wall of the grinding groove (2) is an arc-shaped mesh plate (21), and a top frame (3) is fixedly installed on the material box (1) through a telescopic rod (4). At the same time, a cleaning cylinder (5) is fixedly installed on the bottom side of the top frame (3), and a motor (6) is arranged in the cleaning cylinder (5). The output shaft of the motor (6) extends to the outside of the cleaning cylinder (5) and a connecting handle (7) is arranged at the end of the output shaft. A rolling roller (8) is rotatably installed on the bottom side of the connecting handle (7), and the bristles on the cleaning cylinder (5) are in surface contact with the rolling roller (8).

2. A freeze-dried powder grinding device according to claim 1, characterized in that: The outer wall of the grinding groove (2) is rotatably provided with a convex shaft (9), and the outer side of the convex shaft (9) is rotatably sleeved with a sleeve shaft (10), a connecting arm 1 (12) is provided on the sleeve shaft (10), and a connecting arm 2 (13) is provided on the convex shaft (9), and cleaning rollers (14) are rotatably provided at the ends of the connecting arm 1 (12) and the connecting arm 2 (13), and a poking protrusion (141) is provided on the roller surface of the cleaning roller (14), and the poking protrusion (141) is inserted into the mesh hole as the cleaning roller (14) rotates to fit the arc-shaped mesh plate (21).

3. A freeze-dried powder grinding device according to claim 2, characterized in that: A bidirectional transmission control component (15) is provided on the top frame (3), and the bidirectional transmission control component (15) is connected to the convex shaft (9) and the sleeve shaft (10) at the same time, and is used to control the convex shaft (9) and the sleeve shaft (10) to rotate synchronously in opposite directions.

4. A freeze-dried powder grinding device according to claim 1, characterized in that: A top plate (16) is also installed on the top frame (3), and the top plate (16) blocks the top opening of the grinding groove (2) when the telescopic rod (4) is extended to push the top frame (3) downward.

5. A freeze-dried powder grinding device according to claim 3, characterized in that: The bidirectional transmission control component (15) comprises a gear 1 (151) sleeved on the convex shaft (9) and a gear 2 (152) sleeved on the sleeve shaft (10), and the bidirectional transmission control component (15) further comprises a rack 1 (153) and a rack 2 (154) arranged on the top frame (3), and the rack 1 (153) and the rack 2 (154) are respectively meshed with the gear 1 (151) and the gear 2 (152).

6. A freeze-dried powder grinding device according to claim 5, characterized in that: The rack one (153) and the rack two (154) are respectively located on both sides of the convex shaft (9).

7. A freeze-dried powder grinding device according to claim 2, characterized in that: The convex shaft (9) coincides with the central axis of the arc-shaped mesh plate (21).

Images