CN111761862A - A tablet press capable of compressing explosive powder - Google Patents

Abstract

The invention discloses a tablet press capable of compressing explosive powder, and relates to the field of tablet presses. Aiming at the problems of low safety, high operation difficulty and high processing cost of the existing tablet press, the following scheme is proposed. It includes a mounting frame, the upper end of the mounting frame is fixedly installed with a positive and negative motor through a mounting plate, the bottom end of the power output shaft of the positive and negative motor is fixedly connected with a first screw rod, and the lower end of the first screw rod passes through the mounting frame, and is Extending to the inner side of the mounting frame, a first ball slider is installed on the first screw rod through balls, a second screw rod is installed at the bottom end of the mounting frame through a bearing, and the top end of the second screw rod passes through the mounting frame , and extends to the inside of the mounting frame, the second screw rod is installed with a second ball slider through the ball, the invention has good safety, simple and convenient operation, low manufacturing cost, and is suitable for popularization and use.

Description

A tablet press capable of compressing explosive powder

technical field

The invention relates to the field of tablet presses, in particular to a tablet press capable of compressing explosive powders.

Background technique

Tablet presses are mainly used for tablet process research in the pharmaceutical industry. The tablet press needs to press the granular materials into round, special-shaped and automatic continuous production equipment with text, symbols and graphic tablets. The existing tablet press has low safety, and when some explosive powders are pressed , it is easy to produce explosion, and the operation is difficult and the processing cost is high, and a tablet press capable of compressing explosive powder is proposed.

SUMMARY OF THE INVENTION

The tablet press capable of compressing explosive powders proposed by the present invention solves the problems of low safety, difficult operation and high processing cost of the existing tablet press.

In order to achieve the above object, the present invention adopts the following technical solutions:

A tablet press capable of compressing explosive powder includes a mounting frame, a positive and negative motor is fixedly installed on the upper end of the mounting frame through a mounting plate, and a first screw rod is fixedly connected to the bottom end of the power output shaft of the positive and negative motor, so the The lower end of the first screw rod passes through the mounting frame and extends to the inner side of the mounting frame. A first ball slider is installed on the first screw rod through balls, and a second screw rod is rotated and installed at the bottom end of the mounting frame through a bearing. , the top end of the second screw rod passes through the mounting frame and extends to the inside of the mounting frame, the second ball sliding block is installed on the second screw rod through the ball, the first ball sliding block and the second ball sliding block A second pressing die and a first pressing die are fixedly installed at the ends close to each other through the support rod, the lower end of the second pressing die is fixedly installed with a pressing head, the upper end of the first pressing die is provided with a placement groove, and the inner wall of the mounting frame is The explosion-proof casing is fixedly installed by the installation rod, and the explosion-proof casing is located outside the first pressing die and the second pressing die. Cold water is arranged in the explosion-proof casing.

Preferably, two second sliding rods and two first sliding rods are fixedly installed at the left and right ends of the first ball sliding block and the second ball sliding block, respectively, and the two second sliding rods and the first sliding rod The rods are all slidably connected with the inner wall of the mounting frame in the vertical direction through the sliding rails.

Preferably, the upper end and the lower end of the explosion-proof casing are respectively fixedly installed and connected with a water inlet pipe and a water outlet pipe, and a pipe cover is provided on the water inlet pipe and the water outlet pipe.

Preferably, four supporting legs are symmetrically fixed on the left and right sides of the lower end of the mounting frame.

Preferably, the thread pitch of the first lead screw and the second lead screw are the same and the thread rotation directions are opposite.

Preferably, the upper and lower ends of the transmission shaft are respectively fitted with a third transmission wheel and a fourth transmission wheel, and the fourth transmission wheel is located below the third transmission wheel, and the upper end of the first screw rod is fixedly fitted with a first transmission wheel , the bottom end of the second screw rod is fixedly sleeved with a second transmission wheel, the first transmission wheel is connected with the third transmission wheel through the first transmission belt, and the second transmission wheel is connected with the fourth transmission wheel through the second transmission belt connected.

The beneficial effects of the present invention are: the first pressing die, the second pressing die, the indenter and the placement groove are arranged in cooperation with each other to realize the pressing of the powder; A ball slider, a second ball slider, a transmission shaft, a first transmission wheel, a second transmission wheel, a third transmission wheel and a fourth transmission wheel are arranged in cooperation with each other, and can be realized as a pair of a first pressing die and a second pressing die The powder pressing provides the driving force, and through the mechanical linkage, the automation degree of the present invention is greatly improved, the operation steps are simplified, and the processing cost is reduced; by setting the explosion-proof casing and cold water, it can be realized that the explosive powder can be processed. The explosion-proof effect greatly improves the safety of the present invention.

The invention has good safety, simple and convenient operation, low manufacturing cost, and is suitable for popularization and use.

Description of drawings

FIG. 1 is a schematic structural diagram of a tablet press capable of compressing explosive powder proposed by the present invention.

2 is a schematic diagram of a partial structure of an explosion-proof casing of a tablet press capable of compressing explosive powders proposed by the present invention.

3 is a partial view of the left side of the mounting frame of a tablet press capable of compressing explosive powder proposed by the present invention.

Labels in the figure: 1 first screw, 2 first transmission wheel, 3 first ball slider, 4 explosion-proof housing, 5 second transmission wheel, 6 support leg, 7 second screw, 8 second ball slider, 9 first slide bar, 10 support bar, 11 first pressing die, 12 mounting bar, 13 second pressing die, 14 second slide bar, 15 mounting frame, 16 mounting plate, 17 pressing head, 18 placing slot, 19 cold water , 20 third transmission wheel, 21 bearing seat, 22 transmission shaft, 23 fourth transmission wheel, 24 positive and negative motor, 25 first transmission belt, 26 second transmission belt.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

1-3 , a tablet press capable of compressing explosive powder includes a mounting frame 15 , a positive and negative motor 24 is fixedly installed on the upper end of the mounting frame 15 through a mounting plate 16 , and the power output shaft of the positive and negative motor 24 is The bottom end is fixedly connected with a first screw rod 1 , the lower end of the first screw rod 1 passes through the mounting frame 15 and extends to the inside of the mounting frame 15 , the first screw rod 1 is mounted with a first ball slider through balls 3. The first screw rod 1 can drive the first ball slider 3 to move up and down under the action of the thread. The bottom end of the mounting frame 15 is rotated and installed with a second screw rod 7 through the bearing. Passing through the mounting frame 15 and extending into the interior of the mounting frame 15, a second ball slider 8 is mounted on the second screw rod 7 through balls, and the second screw rod 7 can drive the second ball slider 8 under the action of the thread Moving up and down, the first ball slider 3 and the second ball slider 8 are close to each other at one end, respectively, through the support rod 10 , the second pressing die 13 and the first pressing die 11 are fixedly installed, and the lower end of the second pressing die 13 is fixed. An indenter 17 is installed, a placement groove 18 is provided on the upper end of the first pressing die 11, the indenter 17 and the placement groove 18 cooperate with each other, and can be pressed, and an explosion-proof casing is fixedly installed on the inner wall of the mounting frame 15 through the mounting rod 12 4, and the explosion-proof casing 4 is located outside the first pressing die 11 and the second pressing die 13, which can play an explosion-proof effect. The explosion-proof casing 4 is provided with cold water 19, which is convenient for cooling and absorbing heat. The rear end of the mounting frame 15 The transmission shaft 22 is rotatably mounted on the plurality of bearing seats 21 , so that the transmission shaft 22 can run stably on the plurality of bearing seats 21 .

The left and right ends of the first ball slider 3 and the second ball slider 8 are respectively fixed with two second sliding bars 14 and two first sliding bars 9 , and the two second sliding bars 14 and the first A sliding rod 9 is slidably connected to the inner wall of the mounting frame 15 through the sliding rail in the vertical direction. This design can improve the stability of the movement of the first ball slider 3 and the second ball slider 8, and can also prevent the first ball from sliding. The block 3 rotates with the second ball slider 8, the upper and lower ends of the explosion-proof housing 4 are fixedly installed respectively and are connected with a water inlet pipe and a water outlet pipe. The cold water 19 in the explosion-proof housing 4 is replaced or the circulating water is used, thereby improving the explosion-proof effect of refrigeration. The lower end of the mounting frame 15 is symmetrically fixed with four support legs 6 on the left and right sides, which can stably support the mounting frame 15. The first lead screw 1 and the second lead screw 7 have the same thread pitch and opposite thread directions. This design enables the first ball slider 3 and the second ball slider 8 to move in the opposite direction at the same time, thereby completing the tablet pressing and realizing the indenter. 17 is separated from the placement slot 18, the upper and lower ends of the transmission shaft 22 are respectively fixed with a third transmission wheel 20 and a fourth transmission wheel 23, and the fourth transmission wheel 23 is located below the third transmission wheel 20, the first wire The upper end of the rod 1 is fixedly sleeved with a first transmission wheel 2 , the bottom end of the second screw rod 7 is fixedly sleeved with a second transmission wheel 5 , and the first transmission wheel 2 is connected with the third transmission wheel 20 through the first transmission belt 25 , the second transmission wheel 5 is connected with the fourth transmission wheel 23 through the second transmission belt 26, this design realizes the linkage between the first screw rod 1 and the second screw rod 7, and improves the automation degree of the present invention.

Example: First, put the powder to be pressed into the placing slot 18, then start the forward and reverse motor 24, and the output shaft of the forward and reverse motor 24 rotates forward to drive the first screw 1 to rotate, and the rotating first screw 1 passes through the first transmission wheel. 2. The third transmission wheel 20 and the first transmission belt 25 drive the transmission shaft 22 to rotate, and the rotating transmission shaft 22 drives the second screw 7 to rotate through the second transmission wheel 5, the fourth transmission wheel 23 and the second transmission belt 26. The first screw 1 and the second screw 7 drive the second pressing die 13 and the first pressing die 11 to move in the opposite direction at the same time, and the first pressing die 11 and the second pressing die 13 moving inward at the same time first enter the explosion-proof housing 4 Then, the indenter 17 is pressed into the placing groove 18, and the powder in the placing groove 18 is pressed. After the processing is completed, the forward and reverse motors 24 are started again, so that the output shafts of the forward and reverse motors 24 are reversed, thereby driving the first The pressing mold 11 and the second pressing mold 13 are separated from each other and leave the explosion-proof casing 4. The staff can take out the pressed powder from the placing groove 18. By setting the explosion-proof casing 4, it is possible to avoid the need for some explosive powders. During pressing, the explosion damage caused by the powder can be resisted, and the explosive powder during pressing can be cooled by cold water 19, so as to avoid the explosion caused by the high temperature of the explosive powder during pressing, thereby improving the safety, and through the water inlet pipe and The cold water 19 is replaced by the water outlet pipe, or the circulating water is used for the external water source of the water inlet pipe and the external water pipe of the water outlet pipe, and the cooling effect is good and the safety is high. The first pressing die 11, the second pressing die 13, the indenter 17 and the placement groove 18 are arranged in cooperation with each other to realize the pressing of the powder; A ball slider 3 , a second ball slider 8 , a transmission shaft 22 , a first transmission wheel 2 , a second transmission wheel 5 , a third transmission wheel 20 and a fourth transmission wheel 23 are arranged in cooperation with each other, which can be realized as the first pressing The mold 11 and the second pressing mold 13 provide driving force for powder pressing, and through the mechanical linkage, the automation degree of the present invention is greatly improved, the operation steps are simplified, and the processing cost is reduced; When the explosive powder is processed, the explosion-proof effect is played, and the safety of the present invention is greatly improved. The invention has good safety, simple and convenient operation, low manufacturing cost, and is suitable for popularization and use.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (6)

1. A tablet press capable of compressing explosive powder, comprising a mounting frame (15), wherein the upper end of the mounting frame (15) is fixedly installed with a positive and negative motor (24) through a mounting plate (16), so A first screw rod (1) is fixedly connected to the bottom end of the power output shaft of the forward and reverse motor (24), and the lower end of the first screw rod (1) passes through the mounting frame (15) and extends to the inside of the mounting frame (15). A first ball slider (3) is installed on the first screw rod (1) through balls, and a second screw rod (7) is installed at the bottom end of the mounting frame (15) through a bearing rotation. The top end of the screw rod (7) passes through the mounting frame (15) and extends to the inside of the mounting frame (15). A second ball slider (8) is installed on the second screw rod (7) through balls. One end of a ball slider (3) and a second ball slider (8) close to each other are respectively fixedly installed with a second pressing die (13) and a first pressing die (11) through a support rod (10). A pressing head (17) is fixedly installed at the lower end of the mold (13), a placement groove (18) is formed at the upper end of the first pressing mold (11), and an explosion-proof device is fixedly installed on the inner wall of the mounting frame (15) through a mounting rod (12). A casing (4), and the explosion-proof casing (4) is located outside the first pressing die (11) and the second pressing mould (13), the explosion-proof casing (4) is provided with cold water (19), and the mounting frame (15) ) rear end is rotatably mounted with a transmission shaft (22) through a plurality of bearing seats (21). 2. The tablet press capable of compressing explosive powder according to claim 1, wherein the left and right ends of the first ball slider (3) and the second ball slider (8) are respectively fixed and installed There are two second sliding rods (14) and two first sliding rods (9), and the two second sliding rods (14) and the first sliding rod (9) pass through the sliding rail and the mounting bracket (15). ) The inner wall is slidably connected in the vertical direction. 3. A tablet press capable of compressing explosive powder according to claim 1, wherein the upper end and the lower end of the explosion-proof casing (4) are respectively fixedly installed and communicated with a water inlet pipe and a water outlet pipe. A pipe cover is arranged on the water pipe and the water outlet pipe. 4 . The tablet press capable of compressing explosive powder according to claim 1 , wherein four supporting legs ( 6 ) are symmetrically fixed on the left and right sides of the lower end of the mounting frame ( 15 ). 5 . 5. A tableting machine capable of compressing explosive powder according to claim 1, wherein the first screw (1) and the second screw (7) have the same thread pitch and opposite screw directions . 6. The tablet press capable of compressing explosive powder according to claim 1, wherein the upper and lower ends of the transmission shaft (22) are respectively fixedly sleeved with a third transmission wheel (20) and a fourth transmission wheel (23), and the fourth transmission wheel (23) is located below the third transmission wheel (20), the upper end of the first screw rod (1) is fixedly sleeved with a first transmission wheel (2), the second screw rod (7) The bottom end is fixedly sleeved with a second transmission wheel (5), the first transmission wheel (2) is connected with the third transmission wheel (20) through the first transmission belt (25), and the second transmission wheel ( 5) Connect with the fourth transmission wheel (23) through the second transmission belt (26).

Images