Medicine mixing device

Abstract

The utility model provides a medicine mixing device. The medicine mixing device comprises a base; a medicine mixing mechanism is arranged on the base, a belt conveying mechanism is arranged on the medicine mixing mechanism, and a pressing mechanism is arranged on the belt conveying mechanism; a power mechanism is arranged at the far ends of the belt conveying mechanism and the medicine mixing mechanism, and the power mechanism is used for providing power for the belt conveying mechanism and the medicine mixing mechanism; the power mechanism and the belt conveying mechanism are connected through a transmission shaft which is small in rigidity and can be freely bent. The transmission shaft which is small in rigidity and can be freely bent is adopted, and the problem that the relative positions of a motor shaft and a belt conveying roller shaft change all the time is effectively solved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of firework and cracker production equipment, in particular to a medicine mixing device. BACKGROUND

[0002] Since the inner diameter of a single paper tube of a firework is relatively large and the amount of firecracker powder filled is required to be relatively accurate, the existing firework powder filling device has always adopted a traditional manual firecracker powder filling mode, which is slow, low in efficiency, requires a large number of operators and is unsafe, and an automatic firework powder filling mechanical production line is urgently needed to replace manual operation. CONTENT OF THE UTILITY MODEL

[0003] To achieve the above purpose, the application provides a medicine mixing device, which comprises:

[0004] a base;

[0005] a medicine mixing mechanism is arranged on the base, a belt conveying mechanism is arranged on the medicine mixing mechanism, and a pressing mechanism is arranged on the belt conveying mechanism; a power mechanism is arranged at the distal end of the belt conveying mechanism and the medicine mixing mechanism, the power mechanism is configured to provide power for the belt conveying mechanism and the medicine mixing mechanism; and the power mechanism and the belt conveying mechanism are connected through a transmission shaft which is small in rigidity and can be freely bent.

[0006] Through the above technical scheme, the power mechanism and the belt conveying mechanism are connected through a transmission shaft which is small in rigidity and can be freely bent, so that different installation positions and space layouts can be adapted, and vibration and noise in the power transmission process are reduced.

[0007] Specifically, the application further comprises a sensor and a blocking cylinder; the sensor is arranged at one end of the belt conveying line and is configured to detect the position and quantity of firecracker powder cakes on the belt conveying line; and the blocking cylinder is arranged at one end of the pressing mechanism and is located on the same side as the sensor.

[0008] Through the above technical scheme, the sensor can accurately detect the position and quantity of firecracker powder cakes on the belt conveying line, provide accurate data for subsequent control, realize accurate positioning and control of the firecracker powder cakes, and facilitate subsequent medicine mixing operation or other processing.

[0009] Specifically, the belt conveying mechanism comprises a flat belt, a first bearing seat, a tensioning seat, a rigid coupling, a second bearing seat and a transmission shaft; the tensioning seat and the first bearing seat are arranged on the medicine mixing mechanism, and the tensioning seat and the first bearing seat are both provided with a roller shaft; the second bearing seat and the first bearing seat are connected through the transmission shaft and the rigid coupling, and the power of the power mechanism is transmitted to the roller shaft arranged between the first bearing seat through the transmission shaft and the rigid coupling, so that the flat belt is driven to move.

[0010] Through the technical scheme, the tensioning seat can adjust the tensioning degree of the flat belt, ensures that the belt does not appear the phenomenon of slipping in the running process, and improves the efficiency and stability of the belt conveying.

[0011] Specifically, the sink is installed above the base, and the sink is provided with a drain, and a ball valve is installed below the drain.

[0012] Through the technical scheme, the sink contains a certain amount of water, and the powder produced in the working process of the mixing mechanism falls into the water in the sink, so that the powder is isolated from the air and wetted, and the combustibility is hindered.

[0013] Specifically, the mixing mechanism comprises: a side plate, a driving shaft and a driven shaft rotatably arranged at both ends of the side plate and located at the same horizontal height, and synchronous wheels are arranged at the same end of the driving shaft and the driven shaft respectively, a synchronous belt is sleeved on the synchronous wheels, and the pre-tightening force of the synchronous belt is adjusted by a tensioning mechanism fixed on the side wall of the sink.

[0014] Specifically, the mixing mechanism further comprises: a bearing sleeved above the driving shaft, and an eccentric wheel arranged below the driving shaft; and the mixing mechanism makes a circular motion under the action of the eccentric wheel.

[0015] The tensioning mechanism can adjust the pre-tightening force of the synchronous belt, and ensure that the synchronous belt does not appear the phenomenon of relaxation in the running process, and improve the transmission efficiency.

[0016] Specifically, a detection block and a sensor are arranged between the driving shaft and the lower end surface of the belt conveying mechanism.

[0017] The arrangement of the detection block and the sensor can detect the position of the driving shaft, provide feedback information for the operation of the mixing device, facilitate accurate control of the height of the belt, and ensure that the loading and unloading of the cake can pass smoothly.

[0018] Specifically, the power mechanism and the mixing mechanism are connected through a universal joint.

[0019] Specifically, the transmission shaft which is small in rigidity and can be freely bent comprises: a flexible shaft and an elastic coupling.

[0020] Compared with the prior art, the application has the advantages that:

[0021] (1) the base is designed with a sink containing a certain amount of water, and the powder produced in the working process of the mixing mechanism falls into the water in the sink, so that the powder is isolated from the air and wetted, and the combustibility is hindered;

[0022] (2) the mixing mechanism is an eccentric wheel mechanism, and the cake makes a circular motion under the action of the centrifugal force, so that the powder in the cake is mixed uniformly;

[0023] (3) The power mechanism is divided into a belt conveying line power and a mixing power, wherein the power transmission between the belt conveying line and the motor adopts a flexible shaft transmission, effectively solving the problem of the relative position change between the motor shaft and the belt conveying drum shaft;

[0024] (4) The conveying unit adopts belt conveying to connect the incoming material conveying line and the discharging conveying line of the bubble cake, ensuring the full automatic operation of the entire device;

[0025] (5) When the device mixing is stopped, the sensor or encoder control mode is adopted to control the position of the transmission shaft of the device, and then the precision of the belt height when the mixing is stopped is controlled. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are included to provide a further understanding of embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and serve the purpose of explaining principles of the application. Other embodiments and many of the intended advantages of the embodiments will be readily appreciated as the same becomes better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

[0027] Fig. 1 is a schematic diagram of the overall structure of a mixing device according to an embodiment of the application;

[0028] Fig. 2 is a schematic diagram of the mixing mechanism of a mixing device according to an embodiment of the application;

[0029] Fig. 3 is a side view of the mixing mechanism of a mixing device according to an embodiment of the application;

[0030] Fig. 4 is a schematic diagram of the belt conveying mechanism of a mixing device according to an embodiment of the application.

[0031] Meaning of each number in the figure: 1, base; 2, mixing mechanism; 3, pressing mechanism; 4, belt conveying mechanism; 5, power mechanism; 6, flexible shaft; 7, sensor; 8, blocking cylinder; 9, water tank; 10, side plate; 11, tensioning mechanism; 12, ball valve; 13, synchronous wheel; 14, synchronous belt; 15, driving shaft; 16, driven shaft; 17, bearing; 18, eccentric wheel; 19, detection block; 20, sensor; 21, synchronous wheel; 22, flat belt; 23, first bearing seat; 24, tensioning seat; 25, rigid coupling; 27, second bearing seat. DETAILED DESCRIPTION

[0032] In the following detailed description, reference is made to the accompanying drawings, which form part of the detailed description and illustrate illustrative specific embodiments in which the present application may be practiced. In this regard, directional terms such as “top,” “bottom,” “left,” “right,” “up,” “down,” etc., are used with reference to the orientation of the described figures. Because components of the embodiments can be positioned in several different orientations, directional terms are used for illustrative purposes and are by no means limiting. It should be understood that other embodiments may be utilized or logical changes may be made without departing from the scope of the present application. Therefore, the following detailed description should not be taken in a limiting sense, and the scope of the present application is defined by the appended claims.

[0033] like Figs. 1 to 4 As shown, a drug mixing device includes:

[0034] Base 1;

[0035] A mixing mechanism 2 is provided on the base 1, a belt conveyor 4 is provided on the mixing mechanism 2, and a pressing mechanism 3 is provided on the belt conveyor 4; a power mechanism 5 is provided at the far end of the belt conveyor 4 and the mixing mechanism 2, and the power mechanism 5 is configured to provide power to the belt conveyor 4 and the mixing mechanism 2; the power mechanism 5 and the belt conveyor 4 are connected by a transmission shaft with low rigidity and free bending.

[0036] Sensor 7 and blocking cylinder 8; Sensor 7 is located at one end of the belt conveyor and is configured to detect the position and quantity of gunpowder bubbles on the belt conveyor; Blocking cylinder 8 is located at one end of the pressing mechanism 3 and is on the same side as sensor 207.

[0037] The belt conveyor mechanism 4 includes a flat belt 22, a first bearing seat 23, a tensioning seat 24, a rigid coupling 25, a second bearing seat 27, and a drive shaft. The tensioning seat 24 and the first bearing seat 23 are mounted on the mixing mechanism 2, and both the tensioning seat 24 and the first bearing seat 23 are equipped with roller shafts. The second bearing seat 27 is connected to the first bearing seat 23 through the drive shaft and the rigid coupling 25, and the power of the power mechanism 5 is transmitted to the roller shafts located between the first bearing seats 23 through the drive shaft and the rigid coupling 25, thereby driving the flat belt 22 to move.

[0038] The water tank 9 is installed above the base 1; the water tank 9 is provided with a drain outlet, and a ball valve 12 is installed below the drain outlet.

[0039] The mixing mechanism 2 includes: a side plate 10, a drive shaft 15 and a driven shaft 16 rotatably disposed at both ends of the side plate 10 and located at the same horizontal height. The drive shaft 15 and the driven shaft 16 are respectively provided with synchronous pulleys 2113 at the same end. A synchronous belt 14 is sleeved on the synchronous pulley 2113, and the pretension of the synchronous belt 14 is adjusted by a tensioning mechanism 11 fixed to the side wall of the water tank 9.

[0040] The mixing mechanism 2 further comprises a bearing 17 arranged above the driving shaft 15 and an eccentric wheel 18 arranged below the driving shaft 15, and the mixing mechanism 2 is driven to move in a circular motion by the eccentric wheel 18.

[0041] A detection block 19 and a sensor 20 are arranged between the driving shaft 15 and the lower end surface of the belt conveying mechanism 4.

[0042] The power mechanism 5 is connected to the mixing mechanism 2 through a universal joint.

[0043] The transmission shaft with small rigidity and free bending comprises a flexible shaft 6 and an elastic coupling.

[0044] In a specific embodiment, the empty cake is automatically conveyed to the equipment belt conveying line 4 through a feeding line, and when the empty cake passes through the detection position of the sensor 7, the equipment blocking cylinder 8 is lowered. When the empty cake is transported to the blocking position and the sensor 7 detects two bubble cakes, the equipment pressing mechanism 3 starts to press. After the pressing mechanism 3 presses the cake, the mixing mechanism 2 starts to move in a circular motion under the action of the two eccentric wheel mechanisms, and the powder is uniformly mixed under the action of centrifugal force. After the mixing is completed, the pressing mechanism 3 and the blocking cylinder 8 release the cake, and the belt conveying line 4 starts to work to convey the cake to the next process.

[0045] The power mechanism 5 is divided into belt conveying power and mixing power, wherein the power transmission between the belt conveying line and the motor adopts flexible shaft 6 transmission, effectively solving the change of relative position between the motor shaft and the drum shaft when conveying the belt.

[0046] Obviously, various modifications and changes can be made to the embodiments of the present application by those skilled in the art without departing from the spirit and scope of the present application. In this way, if these modifications and changes are within the scope of the claims of the present application and their equivalents, the present application also aims to cover these modifications and changes. The word "comprising" does not exclude the presence of other elements or steps not listed in the claims. The simple fact that certain measures are described in mutually different dependent claims does not mean that the combination of these measures cannot be used to advantage. Any reference signs in the claims should not be considered as limiting the scope.

Claims

1. A mixing device, characterized in that, include: Base; A mixing mechanism is provided on the base, a belt conveyor mechanism is provided on the mixing mechanism, and a pressing mechanism is provided on the belt conveyor mechanism; A power mechanism is provided at the distal end of the belt conveyor mechanism and the drug mixing mechanism. The power mechanism is configured to provide power to the belt conveyor mechanism and the drug mixing mechanism. The power mechanism is connected to the belt conveyor mechanism by a transmission shaft with low rigidity and free bending.

2. The mixing device according to claim 1, characterized in that, Also includes: A sensor and a blocking cylinder; the sensor is disposed at one end of the belt conveyor mechanism and configured to detect the position and quantity of gunpowder cakes on the belt conveyor mechanism; the blocking cylinder is disposed at one end of the pressing mechanism and is located on the same side as the sensor; the blocking cylinder responds to the detection signal of the sensor and descends to block the gunpowder cakes.

3. The mixing device according to claim 2, characterized in that, The belt conveyor mechanism includes a flat belt, a first bearing housing, a tensioning seat, a rigid coupling, a second bearing housing, and a drive shaft. The tensioning seat and the first bearing housing are mounted on the mixing mechanism, and both the tensioning seat and the first bearing housing are equipped with roller shafts. The second bearing housing is connected to the first bearing housing via the drive shaft and the rigid coupling, and the power of the power mechanism is transmitted to the roller shafts located between the first bearing housings via the drive shaft and the rigid coupling, thereby driving the flat belt to move.

4. A mixing device according to claim 2, characterized in that, Also includes: sink; The water tank is installed above the base; the water tank is provided with a drain outlet, and a ball valve is installed below the drain outlet.

5. A mixing device according to claim 4, characterized in that, The mixing mechanism includes: a side plate, a drive shaft and a driven shaft rotatably disposed at both ends of the side plate and located at the same horizontal height, a synchronous pulley respectively disposed at the same end of the drive shaft and the driven shaft, a synchronous belt sleeved on the synchronous pulley, and the preload of the synchronous belt being adjusted by a tensioning mechanism fixed to the side wall of the water tank.

6. A mixing device according to claim 5, characterized in that, The mixing mechanism further includes: a bearing sleeved above the drive shaft, and an eccentric wheel disposed below the drive shaft; and the mixing mechanism performs circular motion under the action of the eccentric wheel.

7. A mixing device according to claim 6, characterized in that, A detection block and a sensor are installed between the drive shaft and the lower end face of the belt conveyor mechanism.

8. A mixing device according to claim 1, characterized in that, The power mechanism and the drug mixing mechanism are connected by a universal joint.

9. A mixing device according to claim 1, characterized in that, The transmission shaft with low rigidity and free bending includes: flexible shaft and flexible coupling.

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