Low-temperature protection device of rotary tablet press

Abstract

The utility model relates to the field of rotary tablet presses, and discloses a low-temperature protection device of a rotary tablet press, which can be used for cooling positions such as a rotary tablet pressing mold and a pressing area in a tablet pressing chamber by additionally arranging a cooling device. The device comprises a case, the tabletting mechanism comprises an upper punching die and a lower punching die, and the upper punching die and the lower punching die are arranged on the case from top to bottom; the first cooling mechanism comprises a first cooler, a first air blowing pipe and a second air blowing pipe, the first air blowing pipe and the second air blowing pipe are connected with the first cooler, an air hole of the first air blowing pipe faces the left side of the upper punching die, and an air hole of the second air blowing pipe faces the left side of the lower punching die; the second cooling mechanism comprises a second cooler, a third air blowing pipe and a fourth air blowing pipe, the third air blowing pipe and the fourth air blowing pipe are connected with the second cooler, an air hole of the third air blowing pipe faces the right side of the upper punching die, and an air hole of the fourth air blowing pipe faces the right side of the lower punching die.

Description

Technical Field

[0001] The utility model relates to the field of rotary tablet presses, in particular to a low-temperature protection device for a rotary tablet press. Background Art

[0002] The rotary tablet press is a device that presses various granular and powdery raw materials into tablets. During the operation of the tablet press, the transmission system, motor, worm gear box, etc. are working, and the pressing force is generated when the tablet is pressed, and the friction between the punch and the guide rail is generated. These will inevitably generate heat, causing the punch plate to heat up, and ultimately the temperature of the tablet is high when it is discharged, which cannot meet the quality requirements of probiotic tablets. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a low temperature protection device for a rotary tablet press, which can be equipped with a cooling device to cool the rotary tablet pressing mold and the pressing area in the tablet pressing chamber.

[0004] On the one hand, the low temperature protection device of the rotary tablet press according to the embodiment of the utility model comprises:

[0005] Chassis;

[0006] A tablet pressing mechanism, comprising an upper punch die and a lower punch die, wherein the upper punch die and the lower punch die are arranged on the chassis from top to bottom;

[0007] A first cooling mechanism comprises a first cooler, a first air blowing pipe and a second air blowing pipe, wherein the first air blowing pipe and the second air blowing pipe are connected to the first cooler, an air hole of the first air blowing pipe faces the left side of the upper punch die, and an air hole of the second air blowing pipe faces the left side of the lower punch die;

[0008] The second cooling mechanism includes a second cooler, a third air blow pipe and a fourth air blow pipe, wherein the third air blow pipe and the fourth air blow pipe are connected to the second cooler, the air hole of the third air blow pipe faces the right side of the upper punch mold, and the air hole of the fourth air blow pipe faces the right side of the lower punch mold.

[0009] According to some embodiments of the present invention, the first cooling mechanism is disposed outside the chassis.

[0010] According to some embodiments of the present invention, the second cooling mechanism is disposed outside the chassis.

[0011] According to some embodiments of the present invention, the chassis is provided with a temperature sensor.

[0012] According to some embodiments of the utility model, the chassis is provided with a left sheet metal door and a right sheet metal door, the first cooling mechanism is provided at the left sheet metal door, the second cooling mechanism is provided at the right sheet metal door, the first air blowing pipe and the second air blowing pipe are provided at the left sheet metal door, and the third air blowing pipe and the fourth air blowing pipe are provided at the right sheet metal door.

[0013] According to some embodiments of the present invention, the cooling temperature of the first cooler and the second cooler is less than 20 degrees.

[0014] According to some embodiments of the present invention, the first cooler and the second cooler are respectively connected to a speed regulator, and the speed regulator is used to control the wind speed.

[0015] The embodiments of the present invention have at least the following beneficial effects:

[0016] The tablet pressing mechanism mainly consists of an upper punch mold, a middle mold and a lower punch mold. The first blowing pipe of the first cooling mechanism blows cold air into the upper punch mold on the left, and the second blowing pipe blows cold air into the lower punch mold on the left; the third blowing pipe of the second cooling mechanism blows cold air into the upper punch mold on the right, and the fourth blowing pipe blows cold air into the lower punch mold on the right; the rotary tablet press realizes a low-temperature tablet pressing device, and its chassis cooler can reduce the tablet pressing environment temperature of the tablet press to below 20 degrees Celsius, and the temperature of the compressed tablets is also reduced. It is easy to install and simple to operate.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 A schematic diagram of a low temperature protection device for a rotary tablet press according to an embodiment of the utility model;

[0020] Reference numerals:

[0021] Chassis 100, left sheet metal door 110, right sheet metal door 120;

[0022] Tablet pressing mechanism 200, upper punch die 210, lower punch die 220;

[0023] A first cooling mechanism 300, a first cooler 310, a first air blowing pipe 320, and a second air blowing pipe 330;

[0024] The second cooling mechanism 400 , the second cooler 410 , the third air blowing pipe 420 , and the fourth air blowing pipe 430 .

[0025] Temperature sensor 500. DETAILED DESCRIPTION

[0026] The following content will describe several embodiments of the present utility model, including embodiments corresponding to the drawings. It can be understood that the drawings are used to assist in understanding the technical features and technical solutions of the present utility model, and should not be understood as limiting the scope of protection of the present utility model.

[0027] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments and features in the embodiments of this application can be combined with each other without conflict.

[0028] It should be noted that, unless otherwise clearly defined, when a feature is referred to as "fixed", "connected", "installed" or "set on" another feature, it can be directly "fixed", "connected", "installed" or "set on" another feature, or it can be indirectly "fixed", "connected", "installed" or "set on" another feature. The words "fixed", "connected", "installed" or "set on" should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meaning of the above words in this utility model in combination with the specific content of the technical solution.

[0029] It should be noted that the descriptions of the directions or positional relationships indicated by up, down, left, right, top, bottom, front, back, inside, and outside used in the present invention are based on the directions or positional relationships in the drawings or embodiments and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0030] It should be noted that the term "and / or" used in the present utility model includes any combination of one or more related listed items, "above", "below", "within", etc. are understood to include the number itself.

[0031] It should be noted that the description of first and second in the utility model is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] It should be noted that, unless otherwise clearly defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art. The terms used in this specification are only for describing specific embodiments, not for limiting the present invention.

[0033] On the one hand, referring to Figure 1 According to the embodiment of the utility model, the low temperature protection device of the rotary tablet press comprises:

[0034] Chassis 100;

[0035] The tablet pressing mechanism 200 includes an upper punch die 210 and a lower punch die 220, and the upper punch die 210 and the lower punch die 220 are arranged on the chassis 100 from top to bottom;

[0036] The first cooling mechanism 300 includes a first cooler 310, a first air blowing pipe 320 and a second air blowing pipe 330. The first air blowing pipe 320 and the second air blowing pipe 330 are connected to the first cooler 310. The air hole of the first air blowing pipe 320 faces the left side of the upper punch mold 210, and the air hole of the second air blowing pipe 330 faces the left side of the lower punch mold 220.

[0037] The second cooling mechanism 400 includes a second cooler 410, a third air blowing pipe 420 and a fourth air blowing pipe 430. The third air blowing pipe 420 and the fourth air blowing pipe 430 are connected to the second cooler 410. The air hole of the third air blowing pipe 420 faces the right side of the upper punch mold 210, and the air hole of the fourth air blowing pipe 430 faces the right side of the lower punch mold 220.

[0038] According to the embodiments of the utility model, by such an arrangement, at least the following effects can be achieved: the tablet pressing mechanism 200 is mainly composed of an upper punch mold 210, a middle mold, and a lower punch mold 220; the first blowing pipe 320 of the first cooling mechanism 300 blows cold air into the left upper punch mold 210, and the second blowing pipe 330 blows cold air into the left lower punch mold 220; the third blowing pipe 420 of the second cooling mechanism 400 blows cold air into the right upper punch mold 210, and the fourth blowing pipe 430 blows cold air into the right lower punch mold 220; the rotary tablet press realizes a low-temperature tablet pressing device, and its chassis 100 cooler can reduce the tablet pressing environment temperature of the tablet press to below 20 degrees Celsius, and the temperature of the pressed tablets is also reduced. It is easy to install and simple to operate.

[0039] Structural features of rotary tablet press: 1. The upper part of the machine is the tablet pressing structure: it is mainly composed of the upper punch die 210, the middle die die and the lower punch die 220 which are connected together. Multiple pairs of punches are evenly arranged on the edge of the turntable, and the tails of the upper and lower punches are embedded in the fixed curved guide rail. When the turntable rotates, the upper and lower punches 220 move up and down along the curved guide rail to achieve the purpose of tablet pressing.

[0040] 2. The main working process is divided into: (1) filling; (2) tablet pressing; (3) tablet discharging. The three procedures are carried out continuously. There are adjustment control mechanisms for filling and tablet pressing, and the instructions are attached, which are easy to operate.

[0041] 3. This machine adopts a flow grid feeding mechanism, which can make the material evenly fill the die holes and reduce the difference in tablet weight.

[0042] 4. The motor is installed in the machine base, and the worm drive turntable is dragged by a V-belt. A stepless speed change pulley is installed on the motor shaft. The speed can be adjusted arbitrarily through the movement of the motor. It is safe, reliable and noiseless to use.

[0043] 5. A powder suction box is installed on the side of the machine base, which contains a blower, a powder storage chamber, and a powder filter chamber. When the machine is running at high speed, flying powder and powder falling from the middle mold are generated, which are discharged through the powder suction nozzle to avoid sticking and clogging, thus maintaining smooth and normal operation.

[0044] In some embodiments, the first cooling mechanism 300 is disposed outside the chassis 100. The first cooling mechanism 300 is disposed outside the chassis 100, and the first cooling mechanism 300 and the chassis 100 are integrally separated. The first cooling mechanism 300 can be installed on the chassis 100 as an external component, which is easy to disassemble and install.

[0045] In some embodiments, the second cooling mechanism 400 is disposed outside the chassis 100. The second cooling mechanism 400 is disposed outside the chassis 100, and the second cooling mechanism 400 and the chassis 100 are integrally separated. The second cooling mechanism 400 can be installed on the chassis 100 as an external component, which is easy to disassemble and install.

[0046] In some embodiments, the chassis 100 is provided with a temperature sensor 500. One or more temperature sensors 500 are provided, and the temperature sensor 500 can be provided on the chassis 100, the upper punch die 210 or the lower punch die 220. According to the temperature of the chassis 100, the upper punch die 210 or the lower punch die 220, the wind speed of the first cooler 310 or the second cooler 410 is adjusted. The temperature sensor 500 is electrically connected to the first cooler 310 and / or the second cooler 410 to control the temperature inside the chassis 100, increase the wind speed when the temperature is high, and reduce the wind speed when the temperature is low.

[0047] In some embodiments, the chassis 100 is provided with a left sheet metal door 110 and a right sheet metal door 120, the first cooling mechanism 300 is provided on the left sheet metal door 110, the second cooling mechanism 400 is provided on the right sheet metal door 120, the first air blowing pipe 320 and the second air blowing pipe 330 are provided on the left sheet metal door 110, and the third air blowing pipe 420 and the fourth air blowing pipe 430 are provided on the right sheet metal door 120.

[0048] In some embodiments, the cooling temperature of the first cooler 310 and the second cooler is less than 20 degrees. The rotary tablet press implements a low-temperature tablet press device, and its chassis 100 cooler can reduce the temperature of the compressed air to below 20 degrees Celsius. The cooling device is installed to cool the rotary tablet press mold and the pressing area in the tablet press room to reduce the tablet discharge temperature.

[0049] In some embodiments, the first cooler 310 and the second cooler 410 are respectively connected to a speed regulator, which is used to control the wind speed. The speed regulator is provided on the cooler or the air blowing pipe to adjust the wind speed and control the temperature inside the chassis 100.

[0050] The above are only preferred embodiments of the present utility model. The present utility model is not limited to the above implementation modes. As long as the technical effects of the present utility model are achieved by the same means, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles disclosed in the present utility model shall be included in the scope of protection disclosed in the present utility model. They shall all belong to the protection scope of the present utility model. Within the protection scope of the present utility model, its technical scheme and / or implementation mode may have various modifications and changes.

Claims

1. A low temperature protection device for a rotary tablet press, characterized in that: include: Chassis (100); A tablet pressing mechanism (200) comprises an upper punch die (210) and a lower punch die (220), wherein the upper punch die (210) and the lower punch die (220) are arranged on the chassis (100) from top to bottom; A first cooling mechanism (300) comprises a first cooler (310), a first air blowing pipe (320) and a second air blowing pipe (330), wherein the first air blowing pipe (320) and the second air blowing pipe (330) are connected to the first cooler (310), an air hole of the first air blowing pipe (320) faces the left side of the upper punch mold (210), and an air hole of the second air blowing pipe (330) faces the left side of the lower punch mold (220); The second cooling mechanism (400) comprises a second cooler (410), a third air blowing pipe (420) and a fourth air blowing pipe (430), wherein the third air blowing pipe (420) and the fourth air blowing pipe (430) are connected to the second cooler (410), the air hole of the third air blowing pipe (420) faces the right side of the upper punch mold (210), and the air hole of the fourth air blowing pipe (430) faces the right side of the lower punch mold (220).

2. The low temperature protection device for a rotary tablet press according to claim 1, characterized in that: The first cooling mechanism (300) is arranged outside the chassis (100).

3. The low temperature protection device for a rotary tablet press according to claim 1, characterized in that: The second cooling mechanism (400) is arranged outside the chassis (100).

4. The low temperature protection device for a rotary tablet press according to claim 1, characterized in that: The chassis (100) is provided with a temperature sensor (500).

5. The low temperature protection device for a rotary tablet press according to claim 1, characterized in that: The chassis (100) is provided with a left sheet metal door (110) and a right sheet metal door (120); the first cooling mechanism (300) is provided on the left sheet metal door (110); the second cooling mechanism (400) is provided on the right sheet metal door (120); the first air blowing pipe (320) and the second air blowing pipe (330) are provided on the left sheet metal door (110); and the third air blowing pipe (420) and the fourth air blowing pipe (430) are provided on the right sheet metal door (120).

6. The low temperature protection device for a rotary tablet press according to claim 1, characterized in that: The cooling temperature of the first cooler (310) and the second cooler is less than 20 degrees.

7. The low temperature protection device for a rotary tablet press according to claim 1, characterized in that: The first cooler (310) and the second cooler (410) are respectively connected to a speed regulator, and the speed regulator is used to control the wind speed.

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