CN218370047U - Powder unloader of accurate ejection of compact - Google Patents

Abstract

The utility model discloses a powder discharging device with accurate discharging, which aims to solve the problems that the existing powder conveying equipment is easy to cause extrusion damage to powder medicines and the discharging precision is insufficient; the spring spiral conveyor is connected with the controller and is controlled by the controller to change the conveying speed; the weighing module is connected with the controller and is used for detecting the weight of the residual materials in the spring spiral conveyor. The utility model discloses receive the extrusion when can avoiding the powder medicine to be carried, and can guarantee higher ejection of compact precision.

Description

Powder unloader of accurate ejection of compact

Technical Field

The utility model relates to a technical field is carried to the powder, particularly, relates to a powder unloader of accurate ejection of compact.

Background

With the importance of each medicine enterprise on new medicines, the requirements on crushing and discharging precision are higher and higher in the production process of powder medicines, and in certain powder mixing occasions, the discharging precision of the powder medicines is required to reach 0.1g so as to realize the accurate proportion of each component; meanwhile, the powder state is ensured to be relatively stable in the conveying process, and the powder medicine is prevented from being damaged by extrusion or from colliding with conveying equipment at high frequency to ensure that the powder medicine has stable physical and chemical properties.

Conveying equipment commonly used at present is mostly screw shaft conveying equipment, this type of conveying equipment can guarantee that the powder state is steady relatively when carrying the powder, but screw shaft and conveying body cause the extrusion easily to the powder in the transportation process and make the physicochemical property of powder medicine have destroyed risk, and the powder medicine is extruded the back, often can be with the form ejection of compact of pile of one pile of powder medicine, the volume of each pile of powder medicine also is random, this will make the ejection of compact precision of powder medicine uncontrollable, can't satisfy the higher application scenario of ejection of compact precision requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that how slow down the extrusion of powder medicine and realize higher powder medicine ejection of compact precision to powder medicine among the powder medicine transportation process, aim at provides the powder unloader of the accurate ejection of compact.

The utility model discloses a following technical scheme realizes:

the utility model provides a powder unloader of accurate ejection of compact, includes:

a controller;

a spring coil conveyor connected to and controlled by the controller to vary the conveying rate;

a weighing module connected to the controller and configured to detect a weight of material remaining in the spring screw conveyor.

The application provides a pair of powder unloader of accurate ejection of compact, mainly carry the powder through spring screw conveyer, coil spring among the spring screw conveyer realizes the unloading of powder through promoting the powder, the powder is at the in-process that is promoted, because coil spring has certain elasticity, even be full of the powder medicine in coil spring's the clearance, also can obtain certain buffering through coil spring's elasticity, thereby avoid the powder medicine to be excessively extruded, and because coil spring is hollow structure, the probability that the powder medicine is full of in coil spring's clearance is also minimum, then reduced the risk that the powder medicine is extruded in the very big degree, because the powder medicine is not extruded, the powder medicine is comparatively loose, powder medicine ejection of compact is more even, behind the cooperation weighing module, can come the ejection of compact precision of more accurate control powder medicine through controller control spring screw conveyer's transport rate.

In some possible embodiments, the spring-spiral conveyor comprises:

a coil spring;

the conveying pipe is coaxially sleeved on the spiral spring, and a hopper is arranged at one end of the conveying pipe;

and the power mechanism is respectively connected with the weighing module and the conveying pipe, and a power output shaft of the power mechanism is in transmission connection with one end of the spiral spring so as to drive the spiral spring to rotate.

In some possible embodiments, the helical spring is a round spring.

In some possible embodiments, the coil spring is a hollow spring.

In some possible embodiments, the number of the spiral springs is two, and the axes of the spiral springs are in parallel embedded arrangement;

and an output shaft of the power mechanism is in transmission connection with one ends of the two spiral springs respectively.

In some possible embodiments, a transmission shaft is coaxially arranged at one end of the spiral spring, the spiral spring is in transmission connection with the power output shaft through the transmission shaft, and the transmission shaft is also in rotation connection with the power mechanism.

In some possible embodiments, the transmission shaft is connected with the conveying pipeline in a rotating and sealing mode.

In some possible embodiments, the power mechanism is driven by a motor and the motor is configured as a servo motor.

In some possible embodiments, the controller comprises a human-computer interaction screen, and the human-computer interaction screen is connected with the controller.

In some possible embodiments, the weighing module and the spring screw conveyor are respectively arranged on the supporting plate.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the embodiment of the utility model provides an accurate powder unloader of ejection of compact, through the helical spring in the spring screw conveyer to the promotion of powder medicine realize the transport of powder medicine, can rely on the elasticity that helical spring self has to provide certain buffering in the transportation process to avoid powder medicine excessively to be extruded; simultaneously, coil spring is hollow structure, and the probability that powder medicine is full of in coil spring clearance is also minimum to reduce the risk that powder medicine is extruded in transportation process, then comparatively reliable assurance powder medicine has stable physicochemical property.

2. The embodiment of the utility model provides a pair of powder unloader of accurate ejection of compact regards helical spring as the main transport component of powder medicine, and the powder medicine has loose state under by extruded state to can realize the even ejection of compact of powder medicine, behind the cooperation weighing module, can make the powder medicine have higher ejection of compact precision through controller control spring screw conveyer's transport rate.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a spring screw conveyor according to an embodiment of the present invention;

FIG. 2 is a left side view of the structure of FIG. 1;

FIG. 3 isbase:Sub>A schematic view of the structure A-A in FIG. 2;

fig. 4 is a schematic structural view of a powder blanking device for accurate discharging provided by an embodiment of the invention;

FIG. 5 is a left side view of the structure of FIG. 4;

FIG. 6 is a schematic diagram of B-B in FIG. 5.

Reference numbers and corresponding part names in the figures:

1-spring screw conveyor, 11-power mechanism, 111-motor, 112-power output shaft, 113-transmission shaft, 114-shell, 115-coupling, 116-bearing support, 117-bearing, 12-conveying pipe, 13-spiral spring, 14-hopper, 2-heavy module, 3-support plate and 4-foot rest.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is given for further details of the present invention with reference to the accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention, and are not intended to limit the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example" or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or examples are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.

As shown in fig. 1 to 6, in an embodiment of the powder discharging device for precise discharging provided by the present invention, the powder discharging device for precise discharging includes a controller, a spring screw conveyor 1 and a weighing module; the spring spiral conveyor 1 is connected with and controlled by a controller to change the conveying speed; the weighing module is connected to the controller and is used to detect the weight of the material remaining in the spring screw conveyor 1.

In the embodiment of the present application, the cross section of the wire of the coil spring 13 in the spring coil conveyor 1 may be a regular shape such as a rectangle, a triangle, a circle, a polygon, or an irregular shape; in consideration of the stability of the delivery of the powdered medicine, the wire section of the coil spring 13 in the embodiment of the present application may be preferably provided in a regular shape. For example, in some possible embodiments, the wire cross-sectional shape of the coil spring 13 is provided as a circle, i.e., the coil spring 13 is configured as a round spring. When powder medicine is promoted by round spring, the round spring surface can play certain guide effect to powder medicine, if the powder is too much between the round spring clearance promptly, partial powder medicine can be at the hollow part of round spring upward movement under the guide on round spring surface to can avoid too much powder medicine to pile up in round spring's clearance, prevent then that powder medicine from being extruded.

In the present embodiment, the coil spring 13 may be configured as a hollow spring, that is, the wire of the coil spring 13 is a hollow wire. So set up, can guarantee that coil spring 13 has less coefficient of stiffness under the great condition of coil spring 13's wire rod diameter, can guarantee certain conveying efficiency when carrying the powder medicine like this, and coil spring 13 is deformation more easily, can not form the extrusion to the powder medicine.

In this application embodiment, weighing module can be connected with spring screw conveyer 1 in order to weigh 1 whole weight of spring screw conveyer, can obtain the weight of the surplus powder medicine among the spring screw conveyer 1 in real time through setting up unloaded spring screw conveyer 1's weight in the controller in advance to acquire the actual ejection of compact speed of powder medicine.

In the embodiment of the present application, the number of the coil springs 13 may be two, and the axes of the two coil springs 13 are parallel and the two coil springs 13 are fitted to each other. Set up like this, can improve the transport efficiency of powder medicine, and because two coil spring 13 arrange with the mode of gomphosis, when powder medicine conveying capacity required great, two coil spring 13 rotate simultaneously can form certain stirring effect to the powder medicine, guarantee that the powder medicine is in loose state all the time in transportation process to it is even to guarantee that the ejection of compact of powder medicine is even, and then improves the ejection of compact precision of powder medicine.

In some possible embodiments, the spring screw conveyor 1 may further include a conveying pipe 12 and a power mechanism 11; the feed delivery pipe 12 is coaxially sleeved on the spiral spring 13, and one end of the feed delivery pipe is provided with a hopper 14; the power mechanism 11 is connected to the weighing module and the feeding pipe 12, wherein a power output shaft 112 of the power mechanism 11 is in transmission connection with one end of the coil spring 13 to drive the coil spring 13 to rotate.

In the embodiment of the present application, the conveying pipe 12 can be configured to be a round pipe to adapt to the spiral spring 13, so as to avoid the dead angle of the accumulation of more powder drugs in the conveying pipe 12 as much as possible, and ensure the effective conveying efficiency of the spring spiral conveyor 1. The hopper 14 may be any one of the hoppers 14 known in the art, and since the target to be conveyed in this embodiment is a powder medicine and the particle size is generally relatively small, the hopper 14 may preferably be a conical hopper 14 to prevent the powder medicine from accumulating in the hopper 14.

In some possible embodiments, the power mechanism 11 may be provided with a counterweight to balance a load of the material conveying pipe 12 on a single side relative to the power mechanism 11, so that adjustment of the center of gravity of the whole spring screw conveyor 1 may be achieved, and the center of gravity of the whole spring screw conveyor 1 may be vertical to a connection line between the weighing module and the power mechanism 11 in an installation state, thereby preventing the measuring accuracy of the weighing module from being affected by a large disturbance of the conveying pipe portion to the power mechanism 11 in a working state.

In some possible embodiments, the spiral spring 13 may be in transmission connection with the power mechanism 11 through a transmission shaft 113, specifically, one end of the spiral spring 13 is coaxially provided with the transmission shaft 113, and the spiral spring 13 is in transmission connection with the power output shaft 112 through the transmission shaft 113, and the transmission shaft 113 is further in rotational connection with the power mechanism 11.

In the embodiment of the present application, an integral structure can be formed between the coil spring 13 and the transmission shaft 113 by welding or integral molding to ensure the coaxiality of the coil spring 13 and the transmission shaft 113, so as to avoid the collision between the coil spring 13 and the conveying pipe 12 due to the swing in the rotation process. The transmission shaft 113 may be connected to the power output shaft 112 of the power mechanism 11 by a coupling 115, or may be connected to the power output shaft by a gear, a belt, a friction wheel, or the like. When the transmission shaft 113 is connected with the output shaft of the power mechanism 11 by the coupler 115, the rotational connection between the transmission shaft 113 and the power mechanism 11 can share the bearing pressure for the power output shaft 112, so that the power output shaft 112 is stressed stably, and the connection stability at the coupler 115 is avoided; the rotary connection between the transmission shaft 113 and the power mechanism 11 may be embodied as follows: a bearing bracket 116 is arranged on the housing 114 of the power mechanism 11, a rolling bearing 117 is arranged on the bearing bracket 116, and the rolling bearing 117 is matched with the shaft hole of the transmission shaft 113. When the transmission shaft 113 is in transmission connection with the power output shaft 112 of the power mechanism 11 by using a gear, a transmission belt or a friction wheel, the rotational connection between the transmission shaft 113 and the power mechanism 11 is a necessary supporting structure, and may be implemented as follows: a matching hole is formed in the shell 114 of the power mechanism 11, a rolling bearing 117 is arranged in the matching hole, the transmission shaft 113 is in clearance fit with the shaft hole of the matching hole and is tightly matched with the shaft hole of the rolling bearing 117, and the orifice of the matching hole is connected with the end cover of the bearing 117; of course, the rotary connection type of the shaft hole is disclosed in the prior art, and as long as the installation condition of the conveying pipe in the embodiment can be satisfied, the rotary connection between the transmission shaft 113 and the rotating mechanism can adopt any existing rotary connection structure; the transmission connection between the transmission shaft 113 and the power take-off shaft 112 of the power mechanism 11 can be adapted depending on the specific conveying environment, for example: under the environment is carried to the short distance, can adopt the friction pulley to realize the transmission between transmission shaft 113 and the power output shaft 112 and be connected, this moment, coil spring 13 is obstructed less, required transmission torque between power output shaft 112 and the transmission shaft 113 requires less relatively, the phenomenon of skidding can not appear between transmission shaft 113 and the power output shaft 112, can guarantee that the powder medicine is by the stability of continuously carrying, can guarantee that the ejection of compact of powder medicine is even, thereby guarantee the ejection of compact precision of powder medicine. Under the long distance transport environment, can adopt the gear to realize the transmission between 113 and the power output shaft 112 and be connected, the gear can be applicable to the great occasion of transmission torque requirement, can guarantee the stability that powder medicine was continuously carried under the long distance transport environment, can guarantee the motion control precision through the modulus of design gear this moment to guarantee that the ejection of compact of powder medicine is even.

It should be noted that, as mentioned above, when the number of the coil springs 13 is two, the transmission shaft 113 and the power output shaft 112 are in transmission connection through a gear, a transmission belt, a friction wheel, or the like, so that the two coil springs 13 are driven to rotate simultaneously.

In some possible embodiments, the drive shaft 113 and the feed conveyor pipe 12 may be arranged in a rotationally sealed connection. Specifically, the rotary sealing connection structure is arranged in front of the connection node between the transmission shaft 113 and the power output shaft 112 to prevent the powder medicine in the conveying pipe 12 from entering the connection node between the transmission shaft 113 and the power output shaft 112 to influence the transmission stability, so that the powder medicine is ensured to be discharged uniformly.

Of course, the number of the coil springs 13 may be two or more, a plurality of the coil springs 13 may be arranged in parallel with each other in the axial direction, and two adjacent coil springs 13 may be fitted to each other.

In some possible embodiments, the power of the power mechanism 11 may be driven by any one of the existing rotary power sources, for example, the power mechanism 11 may be driven by a motor 111, and the motor 111 is configured as a servo motor.

In the embodiment of the application, the servo motor is easy to control and has higher control precision, and the uniform discharge of the powder medicine can be improved, so that the discharge precision of the powder medicine is ensured.

In some possible embodiments, the powder discharging device capable of discharging materials accurately may further include a human-computer interaction screen, and the human-computer interaction screen is connected to the controller.

In the embodiment of the present application, the man-machine interaction screen may be disposed on the housing 114 of the power mechanism 11. The setting of human-computer interaction screen can be convenient for the staff to adjust the operating parameter of spring screw conveyer 1.

In some possible embodiments, the powder blanking device for precise discharging may further include a support plate 3 and a foot rest 4 disposed on the support plate 3, and the weighing module and the spring screw conveyor 1 are respectively disposed on the support plate 3.

In the embodiment of the application, the foot rest 4 on the supporting plate 3 can adopt the foot rest 4 with the buffering function in the prior art, so that the vibration of the whole device can be reduced, the weighing module is prevented from being impacted greatly, and the weighing module can measure the weight parameters quickly and accurately.

In summary, the powder discharging device capable of discharging materials accurately provided by the embodiment of the application utilizes the spring screw conveyor 1 to convey the powder medicines, so that the powder medicines are not extruded, and the physical and chemical properties of the powder medicines are stable; powder medicine state in the conveying pipeline 12 is comparatively loose, can not pile up in the conveying pipeline 12 to can guarantee that the powder medicine ejection of compact is even, assist the weighing module and carry out the real-time detection of weight to spring screw conveyer 1 is whole, then carry out the frequency modulation according to the weight data that the controller received to spring screw conveyer 1's power unit 11 with the rotational speed of real-time control coil spring 13 in order to realize the control of powder medicine conveying speed, so alright realize the accurate unloading of powder medicine.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a powder unloader of accurate ejection of compact which characterized in that includes:

a controller;

a spring screw conveyor (1) connected to and controlled by the controller to vary the conveying rate;

a weighing module connected to the controller and adapted to detect the weight of material remaining in the spring screw conveyor (1).

2. Powder unloading device with accurate discharge according to claim 1, wherein the spring screw conveyor (1) comprises:

a coil spring (13);

the conveying pipe (12) is coaxially sleeved on the spiral spring (13) and one end of the conveying pipe is provided with a hopper (14);

the power mechanism (11), the power mechanism (11) is respectively connected with the weighing module and the conveying pipe (12), wherein a power output shaft (112) of the power mechanism (11) is in transmission connection with one end of the spiral spring (13) to drive the spiral spring (13) to rotate.

3. Powder discharging device with accurate discharging according to claim 2, characterized in that the helical spring (13) is a round spring.

4. The powder blanking device with accurate discharging according to the claim 2 or 3, characterized in that the spiral spring (13) is a hollow spring.

5. The powder discharging device with the accurate discharging function according to claim 3, wherein the number of the spiral springs (13) is two, and the spiral springs are embedded in the powder discharging device with parallel axes;

the output shaft of the power mechanism (11) is in transmission connection with one end of each of the two spiral springs (13).

6. The powder discharging device with the accurate discharging function according to claim 5, wherein one end of the spiral spring (13) is coaxially provided with a transmission shaft (113), the spiral spring (13) is in transmission connection with the power output shaft (112) through the transmission shaft (113), and the transmission shaft (113) is further in rotation connection with the power mechanism (11).

7. The powder discharging device with accurate discharging function according to claim 6, wherein the transmission shaft (113) is connected with the feed delivery pipe (12) in a rotating and sealing manner.

8. The powder discharging device with accurate discharging function according to claim 2, wherein the power mechanism (11) is driven by a motor (111) and the motor (111) is configured as a servo motor.

9. The powder discharging device capable of discharging accurately according to claim 1, comprising a human-computer interaction screen, wherein the human-computer interaction screen is connected with the controller.

10. The powder blanking device capable of discharging accurately according to claim 1, comprising a support plate (3) and foot stands (4) arranged on the support plate (3), wherein the weighing module and the spring screw conveyor (1) are respectively arranged on the support plate (3).

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