Freeze-dried powder grinding device

Abstract

The utility model discloses a freeze-dried powder grinding device, which relates to the technical field of freeze-dried powder processing, and comprises a charging barrel and a rotating rod arranged at the axis of the charging barrel through a shaft seat, the shaft seat is arranged above a fixed seat, the fixed seat is fixedly connected with a collecting barrel through a bolt, and a sieve barrel is arranged in the collecting barrel. According to the freeze-dried powder grinding device, the rotating rod is rotationally arranged in the charging barrel, under the action that the lower portion of the rotating rod is connected with the inner wall of the fixing base in a meshed mode, the rotating rod and the fixing base can efficiently and stably grind freeze-dried powder, and under the action that the through hole is formed in the bottom shell in a penetrating mode, the ground freeze-dried powder can stably flow downwards; according to the freeze-dried powder grinding device, the moving effect of freeze-dried powder is ensured, meanwhile, the screening barrel is arranged below the bottom shell, under the flexible installation effect of the screening barrel, a user can screen freeze-dried powder of different particle sizes according to requirements, the grinding quality and grinding accuracy of the device are ensured, and the freeze-dried powder grinding device is compact in structure, easy and convenient to operate and low in later maintenance cost.

Description

Technical Field

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

[0002] Freeze-dried powder is a sterile powder injection made by freezing the liquid medicine into a solid state under a sterile environment and then sublimating the water to dry it by vacuum. Freeze-dried powder is made by pre-freezing the water in the liquid medicine by the vacuum freeze drying method of a freeze dryer, and then sublimating the frozen water in the liquid medicine under a vacuum sterile environment to obtain freeze-dried powder. Freeze-dried powder needs to be further ground after production. Grinding can further refine the particle size of freeze-dried powder for later use.

[0003] A freeze-dried powder grinding device with a Chinese patent document publication number of CN210815670U is disclosed, which includes a horizontally arranged frame plate, a material tube is inserted downwardly from the top of the frame plate, the material tube is vertically arranged, the material tube is welded and fixed to the frame plate, an opening is arranged at the upper end of the material tube, a top cover is threadedly connected to the opening, a convex tube is arranged at the bottom axis of the material tube, a rotating shaft is assembled through the convex tube, the upper end of the rotating shaft extends into the material tube, a bearing and a shaft seal are matched between the rotating shaft and the convex tube, the shaft seal is sealed on the upper part of the bearing, a driven grinding block is welded and fixed inside the material tube, the rotating shaft passes through the driven grinding block upward, and an active grinding block is welded on the rotating shaft; this product realizes cyclic grinding through wind power.

[0004] Although the above-mentioned freeze-dried powder grinding device realizes secondary grinding through the negative pressure fan, the freeze-dried powder grinding device cannot effectively screen the freeze-dried powder by particle size, and its practicality is limited. In addition, the freeze-dried powder is transported by the negative pressure fan, and the freeze-dried powder is easy to float and adhere to the wall after grinding, which affects the transportation effect of the negative pressure fan, increases the use cost and subsequent maintenance cost, and has poor flexibility. Utility Model Content

[0005] The purpose of the utility model is to solve the problems that the existing freeze-dried powder grinding device cannot effectively screen the freeze-dried powder into particles, has limited practicality, and the freeze-dried powder is transported by a negative pressure fan, and the freeze-dried powder is easily scattered and attached to the wall after grinding, which affects the transportation effect of the negative pressure fan, increases the use cost and subsequent maintenance cost, and has poor flexibility. A freeze-dried powder grinding device is proposed.

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

[0007] A freeze-dried powder grinding device comprises a barrel, a rotating rod installed at the axis of the barrel through an axle seat, the axle seat is installed above a fixing seat, and the fixing seat is fixedly connected to a collecting barrel through bolts, and a sieve barrel is arranged inside the collecting barrel;

[0008] The inner wall of the fixing seat is meshedly connected with the lower outer wall of the rotating rod, and the bottom end of the fixing seat is connected with the bottom shell by screws;

[0009] The screen barrel is connected to the fixing seat through a screw rod, and a telescopic spring is sleeved on the outer wall of the screw rod, and a plurality of sets of nuts are threadedly connected to the outer wall of the screw rod for limiting.

[0010] As a further description of the above technical solution:

[0011] A plurality of through holes are formed through the bottom of the bottom shell, and the center axis of the bottom shell coincides with the center axis of the rotating rod.

[0012] As a further description of the above technical solution:

[0013] A material guide ring is fixedly connected to the upper outer wall of the barrel, and a plurality of through holes are provided on the outer wall of the barrel with respect to the material guide ring, and the material guide ring is arranged in an arc shape.

[0014] As a further description of the above technical solution:

[0015] The rotating rod is driven by a driving motor, and the driving motor is installed on the top of the barrel.

[0016] As a further description of the above technical solution:

[0017] The interior of the sieve barrel is provided with a plurality of groups of through holes at equal intervals, and the sieve barrel is sleeved on the exterior of the bottom shell.

[0018] As a further description of the above technical solution:

[0019] The bottom end of the rotating rod is arranged in a trapezoidal structure, and the outer wall of the rotating rod is obliquely meshed with the inner wall of the fixing seat.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0021] In the utility model, a rotating rod is rotatably arranged inside the barrel, and under the action of meshing connection with the inner wall of the fixed seat below the rotating rod, the rotating rod and the fixed seat can grind the freeze-dried powder efficiently and stably, and under the action of the through hole set through the inside of the bottom shell, the ground freeze-dried powder can flow downward stably, ensuring the movement effect of the freeze-dried powder, and at the same time, a sieve barrel is arranged below the bottom shell, and under the action of the flexible installation of the sieve barrel, the user can sieve the freeze-dried powder of different particle sizes according to the needs, ensuring the grinding quality and grinding accuracy of the device, and the structure is compact, the operation is simple and convenient, and the later maintenance cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic cross-sectional structure diagram of a freeze-dried powder grinding device in the utility model;

[0023] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0024] Figure 3 It is a schematic diagram of the engagement structure between the transfer rod and the fixing seat in the utility model.

[0025] Legend:

[0026] 1. Barrel; 2. Shaft seat; 3. Rotating rod; 4. Guide ring; 5. Driving motor; 6. Fixed seat; 7. Bottom shell; 8. Collecting barrel; 9. Screen barrel; 10. Screw; 11. Telescopic spring; 12. Nut. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figure 1-Figure 3, a freeze-dried powder grinding device, comprising a barrel 1, a rotating rod 3 installed at the axis of the barrel 1 through an axle seat 2, a guide ring 4, a driving motor 5, a fixing seat 6, a bottom shell 7, a collecting barrel 8, a sieve barrel 9, a screw 10, a telescopic spring 11 and a nut 12, a guide ring 4 is fixedly connected to the upper outer wall of the barrel 1, and a plurality of through holes are provided on the outer wall of the barrel 1 about the guide ring 4, so that the freeze-dried powder can enter the inside of the barrel 1 through the guide ring 4, and the guide ring 4 is arranged in an arc shape, which ensures the safety of the freeze-dried powder inside the guide ring 4, and at the same time realizes the stable material introduction into the barrel 1, considering the rotation effect of the rotating rod 3 inside the barrel 1, the rotating rod 3 is driven by the driving motor 5, and the driving motor 5 is installed at the top of the barrel 1, which ensures the installation stability of the driving motor 5, the axle seat 2 is installed above the fixing seat 6, and the fixing seat 6 is fixedly connected with the collecting barrel 8 by bolts, so as to realize the integrity of the device;

[0029] Furthermore, considering the grinding effect of the freeze-dried food under the barrel 1, the inner wall of the fixed seat 6 is meshed with the lower outer wall of the rotating rod 3. Specifically, the bottom end of the rotating rod 3 is arranged in a trapezoidal structure, and the outer wall of the rotating rod 3 is obliquely meshed with the inner wall of the fixed seat 6, so that the freeze-dried food is ground between the fixed seat 6 and the rotating rod 3 by the rotation of the rotating rod 3, thereby achieving effective grinding and crushing of the freeze-dried food. In addition, considering the discharge of the freeze-dried food after grinding, a bottom shell 7 is connected to the bottom end of the fixed seat 6 by screws, and the central axis of the bottom shell 7 coincides with the central axis of the rotating rod 3, and a plurality of through holes are formed through the bottom of the bottom shell 7, so that the ground material can be discharged downward through the through holes, and the structure is compact and the stability is high.

[0030] Reference Figure 1-Figure 3 In view of the screening and collection of the ground freeze-dried powder, a sieve barrel 9 is arranged inside the collecting barrel 8, and the sieve barrel 9 is sleeved on the outside of the bottom shell 7, and the central axis of the sieve barrel 9 coincides with the central axis of the collecting barrel 8. At the same time, a plurality of through holes are equidistantly provided inside the sieve barrel 9, which is convenient for screening and collecting freeze-dried powder with larger particle size. Specifically, in view of the screening of freeze-dried powder with synchronous particle size, in order to flexibly install the sieve barrel 9, the sieve barrel 9 is connected to the fixing seat 6 through a screw 10, and a telescopic spring 11 is sleeved on the outer wall of the screw 10, which is convenient for the sieve barrel 9 to move up and down. At the same time, two groups of nuts 12 are threadedly connected to the outer wall of the screw 10 for limiting, ensuring the stability of the installation of the sieve barrel 9, facilitating the limiting of the sieve barrel 9, and realizing the stable screening of the sieve barrel 9 under the bottom shell 7. Under the action of the sieve barrel 9, the screened freeze-dried powder can enter the interior of the collecting barrel 8 through the sieve barrel 9, which is convenient for collecting the freeze-dried powder after grinding and screening.

[0031] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A freeze-dried powder grinding device, comprising a barrel (1), a rotating rod (3) mounted at the axis of the barrel (1) through a shaft seat (2), characterized in that: The shaft seat (2) is installed above the fixing seat (6), and the fixing seat (6) is fixedly connected to the collecting barrel (8) by bolts, and a sieve barrel (9) is arranged inside the collecting barrel; The inner wall of the fixing seat (6) is meshedly connected to the lower outer wall of the rotating rod (3), and the bottom end of the fixing seat (6) is connected to the bottom shell (7) by screws; The sieve barrel (9) is connected to the fixing seat (6) via a screw (10), and a telescopic spring (11) is sleeved on the outer wall of the screw (10), and a plurality of sets of nuts (12) are threadedly connected to the outer wall of the screw (10) for position limiting.

2. A freeze-dried powder grinding device according to claim 1, characterized in that: A plurality of through holes are formed through the bottom of the bottom shell (7), and the central axis of the bottom shell (7) coincides with the central axis of the rotating rod (3).

3. A freeze-dried powder grinding device according to claim 1, characterized in that: A guide ring (4) is fixedly connected to the upper outer wall of the barrel (1), and a plurality of through holes are provided on the outer wall of the barrel (1) relative to the guide ring (4), and the guide ring (4) is arranged in an arc shape.

4. A freeze-dried powder grinding device according to claim 1, characterized in that: The rotating rod (3) is driven by a driving motor (5), and the driving motor (5) is installed on the top of the barrel (1).

5. A freeze-dried powder grinding device according to claim 1, characterized in that: The interior of the sieve barrel (9) is provided with a plurality of groups of through holes at equal intervals, and the sieve barrel (9) is sleeved on the exterior of the bottom shell (7).

6. A freeze-dried powder grinding device according to claim 4, characterized in that: The bottom end of the rotating rod (3) is arranged in a trapezoidal structure, and the outer wall of the rotating rod (3) is connected to the inner wall of the fixing seat (6) in an oblique meshing manner.

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