Device for low-temperature granulation of quantitative pellet feed for laboratory mice

Abstract

The utility model provides a laboratory mouse quantitative pellet feed low-temperature granulation device, which relates to the field of laboratory mouse feed granulation, and comprises a tabletting unit, the top of the tabletting unit is provided with a quantitative feed injection unit, and the back of the tabletting unit is provided with a cooling unit; the fan blades are driven to rotate through the output shaft of the first motor, the fan blades generate air flow to be blown to the bottom of the lower mold, then the lower mold can be cooled, cooling liquid in the liquid storage tank is injected into an inner cavity of the liquid conveying pipe through the conveying pump, and the cooling liquid is conveyed into the heat absorption sleeve through the liquid conveying pipe. Heat on the surface of an upper mold can be absorbed through a heat absorption sleeve, the upper mold is rapidly cooled, cooling liquid absorbing heat in the heat absorption sleeve can be conveyed into a liquid storage tank again, heat absorption circulation is achieved, meanwhile, the cooling liquid in the liquid storage tank can be stirred in real time through a stirring mechanism, heat absorbed by the cooling liquid is volatilized, and therefore frequent use can be achieved; therefore, granulation in a low-temperature state is realized, and the activity quality of the feed is ensured.

Description

Technical Field

[0001] The utility model belongs to the field of laboratory mouse feed granulation, in particular to a device for low-temperature granulation of quantitative granular feed for laboratory mice. Background Art

[0002] The quantitative pellet feed for experimental mice is a product developed to accurately control the energy intake of experimental animals. It is mostly produced using a quantitative feed tablet press and has a wide range of applicability in toxicology, pharmacology, behavior, and metabolism experiments.

[0003] When quantitative pellet feed for experimental mice is produced and granulated by using a quantitative feed tablet press, the feed is first transferred downward from the feed storage tank to the mold groove, and then the upper mold presses down the lower mold, and then the feed in the mold groove is squeezed by high pressure, so that the feed is pressed into feed particles of fixed shape and size, thereby realizing feed granulation; however, in the prior art, during the production and granulation of experimental mouse feed, the quantitative feed enters the mold groove, the upper mold presses down quickly, and the gaps between the feeds are compressed instantly, generating a large amount of heat, which will cause the drug in the feed to be inactivated due to excessive heat, thereby affecting the quality of the drug.

[0004] In summary, the utility model provides a device for low-temperature granulation of quantitative granular feed for experimental mice to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A device for low-temperature granulation of quantitative granular feed for experimental mice comprises a tablet pressing unit, a quantitative injection unit is arranged on the top of the tablet pressing unit, a cooling unit is arranged on the back of the tablet pressing unit, the tablet pressing unit comprises a box body, a cylinder is fixedly connected to the top of the inner cavity of the box body, and an upper mold is fixedly connected to the output end of the cylinder, a lower mold is arranged at the bottom of the inner cavity of the box body, the quantitative injection unit comprises a feed tank, and the cooling unit comprises a liquid storage tank, a bottom box is fixedly connected to the bottom of the inner cavity of the bottom box, a first motor is fixedly connected to the bottom of the inner cavity of the bottom box, and a fan is transmission-connected to the output shaft of the first motor, a heat absorption sleeve is sleeved on the surface of the upper mold, a transmission pump is fixedly connected to the upper end of the inner cavity of the liquid storage tank, and a liquid infusion pipe is connected to the liquid outlet end of the transmission pump, a liquid return pipe is connected to the right side of the top of the liquid storage tank, the other ends of the liquid infusion pipe and the liquid return pipe are both connected to the heat absorption sleeve, and a stirring mechanism is arranged in the inner cavity of the liquid storage tank.

[0007] Furthermore, in the utility model, a storage cabinet is fixedly connected to the front of the bottom box, and a cabinet door is movably connected to the front of the storage cabinet via a hinge, a microcontroller is fixedly connected to the top of the storage cabinet, and the output end of the microcontroller is respectively connected to the input end of the cylinder, the first motor and the transmission pump.

[0008] Furthermore, in the utility model, the top of the feed tank is threadedly connected to a tank cover, the bottom of the feed tank is connected to a guide bucket, the surface of the guide bucket is fixedly connected to a flow meter, and the detection end of the flow meter extends to the inner cavity of the guide bucket, the bottom of the flow meter is connected to a connecting pipe, and the surface of the connecting pipe is connected to an electromagnetic valve, the other end of the connecting pipe is connected to a discharge pipe, an electric push rod is fixedly connected to the right side of the inner cavity of the box body, and the output end of the electric push rod is fixedly connected to the discharge pipe through a connecting frame, the input ends of the electric push rod and the electromagnetic valve are both connected to the output end of the microcontroller, and the output end of the flow meter is connected to the input end of the microcontroller.

[0009] Furthermore, in the utility model, the stirring mechanism includes a second motor, one side of the second motor is fixedly connected to the liquid storage tank, the output shaft of the second motor extends to the inner cavity of the liquid storage tank, and is transmission-connected with a transmission shaft, the surface of the transmission shaft is fixedly connected with a stirring plate, and the input end of the second motor is connected to the output end of the microcontroller.

[0010] Furthermore, in the utility model, heat dissipation holes are provided on both sides of the top of the liquid storage tank, the inner cavity of the heat dissipation holes is fixedly connected to an interception net, the top of the liquid storage tank is connected to a liquid injection pipe, and the top of the liquid injection pipe is movably connected to a sealing cover.

[0011] Furthermore, in the utility model, the front of the tablet pressing unit is movably connected to a box door via a hinge, and a shutter is provided on the back of the inner cavity of the bottom box, and a filter is fixedly connected to the inner cavity of the shutter.

[0012] Beneficial effects: The utility model has the following beneficial effects:

[0013] The utility model carries out quantitative injection of material into the interior of the lower mold through a quantitative injection unit, and drives the upper mold into the inner cavity of the lower mold through the output end of the cylinder, so that the feed inside the lower mold is pressed into feed particles of fixed shape and size by the extrusion force. In the process of pressing the pellet feed, the fan blades are driven to rotate by the output shaft of the first motor, and the fan blades generate airflow to blow to the bottom of the lower mold, so as to cool the lower mold. The transmission pump injects the coolant in the liquid storage tank into the inner cavity of the infusion tube, and the infusion tube transmits the coolant to the interior of the heat absorption sleeve. The heat of the surface of the upper mold can be absorbed through the heat absorption sleeve to quickly cool it down. The coolant after absorbing heat in the heat absorption sleeve will be transmitted to the interior of the liquid storage tank again to realize the heat absorption cycle. At the same time, the stirring mechanism can stir the coolant in the liquid storage tank in real time to volatilize the heat absorbed by the coolant, so that it can be used frequently, thereby realizing granulation under low temperature state and ensuring the activity quality of the feed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the box body of the utility model in a cutaway state;

[0016] Figure 3 This is a schematic diagram of the structure of the bottom box of the utility model in a cutaway state;

[0017] Figure 4 This is a schematic diagram of the structure of the liquid storage tank of the utility model in a cutaway state;

[0018] Figure 5 It is a structural schematic diagram of the quantitative injection unit of the utility model.

[0019] In the figure:

[0020] 1. Tableting unit; 11. Box body; 111. Box door; 12. Lower mold; 13. Cylinder; 14. Upper mold; 2. Quantitative injection unit; 21. Feed tank; 211. Tank cover; 22. Guide bucket; 23. Flow meter; 24. Solenoid valve; 25. Connecting pipe; 26. Discharging pipe; 27. Electric push rod; 3. Cooling unit; 31. Liquid storage tank; 311. Heat dissipation hole; 312. Liquid injection pipe; 32. Bottom box; 321. Shutter; 33. First motor; 34. Fan blade; 35. Heat absorbing sleeve; 36. Transmission pump; 37. Infusion pipe; 38. Liquid return pipe; 39. Stirring mechanism; 391. Second motor; 392. Transmission shaft; 393. Stirring plate; 4. Storage cabinet; 5. Microcontroller. DETAILED DESCRIPTION

[0021] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0022] Example 1

[0023] like Figure 1-5 As shown, it is the first embodiment of the utility model, which provides a device for low-temperature granulation of quantitative pellet feed for experimental mice, including a tablet pressing unit 1, a quantitative injection unit 2 is arranged on the top of the tablet pressing unit 1, and a cooling unit 3 is arranged on the back of the tablet pressing unit 1. The tablet pressing unit 1 includes a box body 11, a cylinder 13 is fixedly connected to the top of the inner cavity of the box body 11, and an upper mold 14 is fixedly connected to the output end of the cylinder 13, and a lower mold 12 is arranged at the bottom of the inner cavity of the box body 11. The quantitative injection unit 2 includes a feed tank 21, and the cooling unit 3 includes a liquid storage tank 3 1, the bottom of the box body 11 is fixedly connected with a bottom box 32, the bottom of the inner cavity of the bottom box 32 is fixedly connected with a first motor 33, and the output shaft of the first motor 33 is drivingly connected with a fan 34, the surface of the upper mold 14 is sleeved with a heat absorbing sleeve 35, the upper end of the inner cavity of the liquid storage tank 31 is fixedly connected with a transmission pump 36, and the liquid outlet end of the transmission pump 36 is connected with a liquid infusion pipe 37, the right side of the top of the liquid storage tank 31 is connected with a liquid return pipe 38, the other ends of the liquid infusion pipe 37 and the liquid return pipe 38 are both connected with the heat absorbing sleeve 35, and the inner cavity of the liquid storage tank 31 is provided with a stirring mechanism 39.

[0024] like Figure 1-4As shown, quantitative injection is performed into the interior of the lower mold 12 by the quantitative injection unit 2, and the upper mold 14 is driven downward by the output end of the cylinder 13, and the upper mold 14 enters the inner cavity of the lower mold 12 downward, and then the feed inside the lower mold 12 is subjected to extrusion force, and then pressed into feed particles of fixed shape and size due to the extrusion force. During the pellet feed pressing process, the fan blade 34 is driven to rotate by the output shaft of the first motor 33, and the fan blade 34 generates airflow to blow to the bottom of the lower mold 12, so that the lower mold 12 can be cooled down, and the transmission pump 3 6 The coolant in the liquid storage tank 31 is injected into the inner cavity of the liquid infusion tube 37, and the liquid infusion tube 37 transmits the coolant to the inside of the heat absorption sleeve 35. The heat absorption sleeve 35 can absorb the heat from the surface of the upper mold 14 to quickly cool it down. The coolant in the heat absorption sleeve 35 after absorbing heat will be transmitted to the inside of the liquid storage tank 31 again to achieve a heat absorption cycle. At the same time, the stirring mechanism 39 can stir the coolant in the liquid storage tank 31 in real time to volatilize the heat absorbed by the coolant, so that it can be used frequently, thereby achieving granulation under low temperature conditions and ensuring the activity quality of the feed.

[0025] Example 2

[0026] Reference Figure 1 and 5 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0027] In this embodiment, a storage cabinet 4 is fixedly connected to the front of the bottom box 32, and a cabinet door is movably connected to the front of the storage cabinet 4 via a hinge. A microcontroller 5 is fixedly connected to the top of the storage cabinet 4, and the output end of the microcontroller 5 is respectively connected to the input end of the cylinder 13, the first motor 33 and the transmission pump 36.

[0028] The top of the feed tank 21 is threadedly connected to a tank cover 211, the bottom of the feed tank 21 is connected to a guide bucket 22, the surface of the guide bucket 22 is fixedly connected to a flow meter 23, and the detection end of the flow meter 23 extends to the inner cavity of the guide bucket 22, the bottom of the flow meter 23 is connected to a connecting pipe 25, and the surface of the connecting pipe 25 is connected to an electromagnetic valve 24, the other end of the connecting pipe 25 is connected to a discharge pipe 26, an electric push rod 27 is fixedly connected to the right side of the inner cavity of the box body 11, and the output end of the electric push rod 27 is fixedly connected to the discharge pipe 26 through a connecting frame, the input ends of the electric push rod 27 and the electromagnetic valve 24 are both connected to the output end of the microcontroller 5, and the output end of the flow meter 23 is connected to the input end of the microcontroller 5.

[0029] like Figure 1 and 5As shown, the storage cabinet 4 can be used to store items and support the microcontroller 5. The microcontroller 5 can control the operation or shutdown of the cylinder 13, the first motor 33 and the transmission pump 36, thereby realizing automatic operation. The output end of the electric push rod 27 drives the discharge pipe 26 to move to the top of the lower mold 12. The feed can be stored through the feed tank 21, and the guide bucket 22 can guide the feed transmission. The guide bucket 22 transmits the feed to the inner cavity of the connecting pipe 25, and the connecting pipe 25 transmits the feed to the inner cavity of the discharge pipe 26. Finally, the feed is injected into the inner cavity of the lower mold 12 through the discharge pipe 26. During the feed transmission process, the flow meter 23 monitors the feed flow, and the monitoring data will be transmitted to the microcontroller 5. The microcontroller 5 can analyze the flow data. When the preset flow value is reached, the microcontroller 5 transmits a signal to the solenoid valve 24 to close it, thereby stopping the transmission of the feed, thereby effectively realizing the quantitative feed.

[0030] Example 3

[0031] Reference Figure 3 and 4 , which is the third embodiment of the utility model, and this embodiment is based on the previous two embodiments.

[0032] In this embodiment, the stirring mechanism 39 includes a second motor 391, one side of the second motor 391 is fixedly connected to the liquid storage tank 31, the output shaft of the second motor 391 extends to the inner cavity of the liquid storage tank 31, and is transmission-connected to a transmission shaft 392, the surface of the transmission shaft 392 is fixedly connected to a stirring plate 393, and the input end of the second motor 391 is connected to the output end of the microcontroller 5.

[0033] Heat dissipation holes 311 are provided on both sides of the top of the liquid storage tank 31. The inner cavity of the heat dissipation hole 311 is fixedly connected to an interception net. The top of the liquid storage tank 31 is connected to a liquid injection pipe 312, and the top of the liquid injection pipe 312 is movably connected to a cover.

[0034] The front of the tablet pressing unit 1 is movably connected to a box door 111 via a hinge, and a shutter 321 is provided on the back of the inner cavity of the bottom box 32, and a filter screen is fixedly connected to the inner cavity of the shutter 321.

[0035] like Figure 3 and 4As shown, the output shaft of the second motor 391 can drive the transmission shaft 392 to rotate, and the transmission shaft 392 drives the stirring plate 393 to stir the coolant, so that the coolant can be in a flowing state in real time, which is convenient for volatilization of the absorbed heat, and the coolant can be injected into the interior of the liquid storage tank 31 through the injection pipe 312, and the heat volatilized by the coolant can be discharged through the heat dissipation hole 311, so as to facilitate the frequent use of the coolant, and the external impurities can be intercepted by the interception net, and the internal air of the bottom box 32 can be circulated through the shutter 321 to accelerate the heat discharge, and the external impurities and dust can be filtered through the filter net, and the box body 11 can be closed or opened through the box door 111.

[0036] When in use, firstly, feed is injected into the feed tank 21, and then the output end of the electric push rod 27 drives the discharge pipe 26 to move to the top of the lower mold 12. The feed can be stored through the feed tank 21, and the guide bucket 22 can guide the feed transmission. The guide bucket 22 transmits the feed to the inner cavity of the connecting pipe 25, and the connecting pipe 25 transmits the feed to the inner cavity of the discharge pipe 26. Finally, the feed is injected into the inner cavity of the lower mold 12 through the discharge pipe 26. During the feed transmission process, the flow meter 23 monitors the feed flow, and the monitoring data will be transmitted to the microcontroller 5. The microcontroller 5 can analyze the flow data. When the preset flow value is reached, the microcontroller 5 transmits a signal to the solenoid valve 24 to close it, thereby stopping the transmission of the feed, effectively realizing the quantitative feed. After that, the upper mold 14 is driven downward by the output end of the cylinder 13, and the upper mold 14 enters the inner cavity of the lower mold 12 downward. , and the feed inside the lower mold 12 will be subjected to the extrusion force, and then pressed into feed particles of fixed shape and size due to the extrusion force. During the pellet feed pressing process, the fan blade 34 is driven to rotate by the output shaft of the first motor 33, and the fan blade 34 generates an airflow to be blown to the bottom of the lower mold 12, thereby cooling the lower mold 12. The transmission pump 36 injects the coolant inside the liquid storage tank 31 into the inner cavity of the infusion pipe 37, and the infusion pipe 37 transmits the coolant to the inside of the heat absorption sleeve 35. The heat on the surface of the upper mold 14 can be absorbed through the heat absorption sleeve 35 to quickly cool it down. The coolant after absorbing heat inside the heat absorption sleeve 35 will be transmitted to the inside of the liquid storage tank 31 again to realize the heat absorption cycle. At the same time, the stirring mechanism 39 can stir the coolant inside the liquid storage tank 31 in real time to volatilize the heat absorbed by the coolant, so that it can be used frequently, thereby realizing granulation under low temperature conditions and ensuring the activity quality of the feed.

[0037] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0038] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A device for low-temperature granulation of quantitative pellet feed for experimental mice, comprising a tablet pressing unit (1), characterized in that: The top of the tablet pressing unit (1) is provided with a quantitative injection unit (2), the back of the tablet pressing unit (1) is provided with a cooling unit (3), the tablet pressing unit (1) comprises a box body (11), the top of the inner cavity of the box body (11) is fixedly connected to a cylinder (13), and the output end of the cylinder (13) is fixedly connected to an upper mold (14), the bottom of the inner cavity of the box body (11) is provided with a lower mold (12), the quantitative injection unit (2) comprises a feed tank (21), the cooling unit (3) comprises a liquid storage tank (31), the bottom of the box body (11) is fixedly connected to a bottom box (32), and the bottom A first motor (33) is fixedly connected to the bottom of the inner cavity of the tank (32), and the output shaft of the first motor (33) is drivingly connected to a fan blade (34); a heat absorbing sleeve (35) is sleeved on the surface of the upper mold (14); a transmission pump (36) is fixedly connected to the upper end of the inner cavity of the liquid storage tank (31), and the liquid outlet end of the transmission pump (36) is connected to a liquid infusion pipe (37); a liquid return pipe (38) is connected to the right side of the top of the liquid storage tank (31); the other ends of the liquid infusion pipe (37) and the liquid return pipe (38) are both connected to the heat absorbing sleeve (35); and a stirring mechanism (39) is provided in the inner cavity of the liquid storage tank (31).

2. The device for low-temperature granulation of quantitative pellet feed for experimental mice as claimed in claim 1, characterized in that: The front of the bottom box (32) is fixedly connected to a storage cabinet (4), and the front of the storage cabinet (4) is movably connected to a cabinet door via a hinge. The top of the storage cabinet (4) is fixedly connected to a microcontroller (5), and the output end of the microcontroller (5) is respectively connected to the input end of the cylinder (13), the first motor (33) and the transmission pump (36).

3. The device for low-temperature granulation of quantitative pellet feed for experimental mice as claimed in claim 2, characterized in that: The top of the feed tank (21) is threadedly connected to a tank cover (211), the bottom of the feed tank (21) is connected to a guide bucket (22), the surface of the guide bucket (22) is fixedly connected to a flow meter (23), and the detection end of the flow meter (23) extends to the inner cavity of the guide bucket (22), the bottom of the flow meter (23) is connected to a connecting pipe (25), and the surface of the connecting pipe (25) is connected to an electromagnetic valve (24), the other end of the connecting pipe (25) is connected to a discharge pipe (26), the right side of the inner cavity of the box body (11) is fixedly connected to an electric push rod (27), and the output end of the electric push rod (27) is fixedly connected to the discharge pipe (26) through a connecting frame, the input ends of the electric push rod (27) and the electromagnetic valve (24) are both connected to the output end of the microcontroller (5), and the output end of the flow meter (23) is connected to the input end of the microcontroller (5).

4. The device for low-temperature granulation of quantitative pellet feed for experimental mice as claimed in claim 2, characterized in that: The stirring mechanism (39) comprises a second motor (391), one side of the second motor (391) is fixedly connected to the liquid storage tank (31), the output shaft of the second motor (391) extends to the inner cavity of the liquid storage tank (31), and is transmission-connected to a transmission shaft (392), a stirring plate (393) is fixedly connected to the surface of the transmission shaft (392), and the input end of the second motor (391) is connected to the output end of the microcontroller (5).

5. The device for low-temperature granulation of quantitative pellet feed for experimental mice as claimed in claim 1, characterized in that: Both sides of the top of the liquid storage tank (31) are provided with heat dissipation holes (311), the inner cavity of the heat dissipation hole (311) is fixedly connected to an interception net, the top of the liquid storage tank (31) is connected to a liquid injection pipe (312), and the top of the liquid injection pipe (312) is movably connected to a sealing cover.

6. The device for low-temperature granulation of quantitative pellet feed for experimental mice as claimed in claim 1, characterized in that: The front of the tablet pressing unit (1) is movably connected to a box door (111) via a hinge, and the back of the inner cavity of the bottom box (32) is provided with a shutter (321), and the inner cavity of the shutter (321) is fixedly connected to a filter screen.

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