CN214269458U

CN214269458U - Weightlessness type double-screw powder metering machine

Info

Publication number: CN214269458U
Application number: CN202023338166.4U
Authority: CN
Inventors: 叶乃阔
Original assignee: Dongguan Tongrui Machinery Co ltd
Current assignee: Dongguan Tongrui Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-24
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a weightless formula twin-screw powder metering machine, including the frame, be provided with twin-screw conveyor in the frame, the installation stores up whitewashed bucket in the frame upper end, carries the hunch piece intercommunication to store up whitewashed bucket and twin-screw conveyor, stores up whitewashed bucket side and is provided with broken bridging device, and twin-screw conveyor's transport exit end is provided with collects funnel mechanism. The utility model is internally provided with a bridge breaking device, and the diameter of the discharge hole of the conveying barrel is gradually reduced in the conveying process, so that the powder can be compacted into solid due to too fast change, namely, the bridge-building phenomenon can influence the powder to enter the double-screw conveying device, and the bridge breaking device can break the phenomenon, thereby ensuring the powder conveying speed; the feeding mode of the double-screw structure is more stable, the flow is more conveniently detected by the existing external detection equipment in the feeding process, and the rotating speed of the screw 24 is controlled by detecting and controlling the working efficiency of the conveying motor 21, so that the feeding speed is controlled.

Description

Weightlessness type double-screw powder metering machine

Technical Field

The utility model belongs to the technical field of the powder metering machine, a weightlessness formula twin-screw powder metering machine is related to.

Background

In modern industrial production, during the feeding and conveying work of powder, the process is generally finished through a specific quantity control conveying device, and the powder feeding device in the prior art is easy to cause the phenomenon of powder bridging at the position of a feeding port due to poor flowability of powder materials during powder feeding, so that the feeding speed cannot be controlled, and accurate feeding cannot be realized.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the weightless double-screw powder metering machine comprises a rack, wherein a double-screw conveying device is arranged in the rack, a powder storage barrel is arranged at the upper end of the rack and is communicated with the double-screw conveying device, a bridging breaking device is arranged at the side end of the powder storage barrel, and a collecting hopper mechanism is arranged at the conveying outlet end of the double-screw conveying device.

Preferably, the powder storage barrel comprises a barrel body, the lower end of the barrel body is provided with a conveying barrel with a funnel-shaped bottom, the side end of the conveying barrel is provided with a mounting hole, and the center of the lower end of the conveying barrel is provided with a powder outlet.

Preferably, the bridge breaking device comprises a bridge breaking motor, a horizontal rotating shaft is arranged at the side end of the bridge breaking motor, one end of the rotating shaft is in transmission connection with the bridge breaking motor, the other end of the rotating shaft is provided with a stirring rod, and the rotating shaft penetrates through the middle of the stirring rod and is connected with the stirring rod; the motor for breaking the bridge is installed on the outer wall of the conveying barrel, and the rotating shaft penetrates through the installation hole and extends into the conveying barrel.

Preferably, the double-screw conveying device comprises a conveying channel, the upper end of the conveying channel is provided with a powder inlet, two parallel screws are arranged in the conveying channel, one end of the conveying channel is provided with a conveying motor, and the other end of the conveying channel extends into the collecting hopper mechanism and is provided with a conveying outlet; one end of the screw rod is in transmission connection with the conveying motor, and the other end of the screw rod penetrates through the conveying outlet and extends out of the conveying channel.

Preferably, the collecting funnel mechanism comprises a mechanism frame, one end of the mechanism frame is provided with a mounting conveying hole which horizontally penetrates through the mechanism frame, and a protective cover is arranged in the mechanism frame; the two ends of the protective cover are embedded with the conveying holes, and the lower end of the protective cover is provided with a collecting funnel; the delivery outlet of the delivery passage is arranged at the upper end of the collecting funnel.

Preferably, the shape of the stirring rod is S-shaped, and the middle section of the stirring rod is connected with the rotating shaft.

The utility model has the advantages that:

1. the utility model is internally provided with a bridge breaking device, and the diameter of the discharge hole of the conveying barrel is gradually reduced in the conveying process, so that the powder can be compacted into solid due to too fast change, namely, the bridge-building phenomenon can influence the powder to enter the double-screw conveying device, and the bridge breaking device can break the phenomenon, thereby ensuring the powder conveying speed;

2. the feeding mode of the double-screw structure is more stable, the flow is more conveniently detected by the existing external detection equipment in the feeding process, and the rotating speed of the screw 24 is controlled by detecting and controlling the working efficiency of the conveying motor 21, so that the feeding speed is controlled.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the bridge-breaking device of the present invention.

Fig. 3 is a schematic view of the main structure of the present invention.

Fig. 4 is a schematic view of the top view structure of the present invention.

Fig. 5 is a schematic structural view of the collecting funnel mechanism of the present invention.

Fig. 6 is a schematic structural view of the double-screw conveying device of the present invention.

Fig. 7 is a schematic view of the conveying barrel of the present invention.

Fig. 8 is a top view of the conveying barrel of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and it should be understood that the present application is not limited to the example embodiments disclosed and described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and 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 thus, should not be construed as limiting the present invention.

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

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model provides a please refer to fig. 1 ~ 8, in the embodiment of the utility model, a weightless formula twin-screw powder metering machine, including frame 1, be provided with twin-screw conveyor 2 in the frame 1, frame 1 upper end is installed and is stored up whitewashed bucket 5, stores up whitewashed bucket 5 and twin-screw conveyor 2 intercommunication, and 5 sides of storing up whitewashed bucket are provided with broken bridging device 4, and the delivery exit end of twin-screw conveyor 2 is provided with collection funnel mechanism 6. The powder storage barrel 5 stores powder, the bridging device 4 is operated to break the bridging phenomenon of the powder in the powder storage barrel 5, the powder in the powder storage barrel 5 enters the double-screw conveying device 2, and the double-screw conveying device 2 conveys the powder to the collecting hopper mechanism 6.

The powder storage barrel 5 comprises a barrel body 51, a conveying barrel 52 with a funnel-shaped bottom is mounted at the lower end of the barrel body 51, a mounting hole 522 is formed in the side end of the conveying barrel 52, and a powder outlet 3 is formed in the center of the lower end of the conveying barrel 52; the bridge breaking device 4 comprises a bridge breaking motor 41, a horizontal rotating shaft 42 is arranged at the side end of the bridge breaking motor 41, one end of the rotating shaft 42 is in transmission connection with the bridge breaking motor 41, the other end of the rotating shaft 42 is provided with a stirring rod 43, and the rotating shaft 42 penetrates through the middle part of the stirring rod 43 and is connected with the stirring rod; the bridge motor 41 is mounted on the outer wall of the transportation barrel 52, and the rotation shaft 42 extends into the transportation barrel 52 through the mounting hole 522. The lower end of the conveying barrel 52 is in a hemispherical shape, and the powder slides downwards along the inner wall of the conveying barrel 52, so that the powder is prevented from being accumulated at dead corners; the bridging breaking motor 41 is started, the rotating shaft 42 rotates to drive the stirring rod 43, and the stirring rod 43 stirs and rotates to break bridging generated by powder accumulation.

The double-screw conveying device 2 comprises a conveying channel 22, a powder inlet 25 is arranged at the upper end of the conveying channel 22, two parallel screws 24 are arranged in the conveying channel 22, the two screws 24 are combined to form a double-screw structure, a conveying motor 21 is arranged at one end of the conveying channel 22, and the other end of the conveying channel 22 extends into the collecting hopper mechanism 6 and is provided with a conveying outlet 23; one end of the screw 24 is in transmission connection with the conveying motor 21, and the other end of the screw passes through the conveying outlet 23 and extends out of the conveying channel 22. The powder enters a conveying channel 22 of the double-screw conveying device 2 through a powder inlet 25, a conveying motor 21 is started, and two screws 24 are matched in the conveying channel 22 to rotate so as to convey the powder outwards from a conveying outlet 23; the feeding mode of the double-screw structure is more stable, the flow is more conveniently detected by the existing external detection equipment in the feeding process, and the rotating speed of the screw 24 is controlled by detecting and controlling the working efficiency of the conveying motor 21, so that the feeding speed is controlled.

The collecting funnel mechanism 6 comprises a mechanism frame 1, one end of the mechanism frame 1 is provided with a mounting conveying hole 64 which horizontally penetrates through the mechanism frame 1, and a protective cover 62 is arranged in the mechanism frame 1; two ends of the protective cover 62 are embedded into the mounting conveying holes 64, and the lower end of the protective cover 62 is provided with a collecting funnel 63; the delivery outlet 23 of the delivery duct 22 is provided at the upper end of the collection funnel 63. Carry outlet 23 to set up in collecting funnel 63 upper end, and the powder gets into from the conveyer way 22 and collects funnel 63 to discharge from collecting funnel 63 lower extreme, protection casing 62 prevents that the powder from splashing in transportation process and leading to extravagant and the pollution that causes the environment, and collecting funnel 63 lower extreme is provided with the equipment of control powder transportation velocity of flow.

The stirring rod 43 has an "S" shape, and the middle section of the stirring rod 43 is connected to the rotating shaft 42. The stirring rod 43 with the shape structure has larger stirring area and higher stirring efficiency.

Adding powder into a powder storage barrel 5, operating a bridging motor 41 and a conveying motor 21, and driving a stirring rod 43 to rotate and stir in the powder storage barrel 5 by a rotating shaft 42, so as to prevent the powder from being compacted to form a solid due to too fast change of the conveying speed in the downward conveying process, namely bridging; the powder flows downwards from the powder outlet 3 of the conveying barrel 52 and enters the conveying channel 22 of the double-screw conveying device 2, the two screws 24 rotate to transport the powder, the powder is discharged from the conveying outlet 23 of the conveying channel 22 and enters the collecting hopper 63, and the powder is discharged from the lower end of the collecting hopper 63 and enters external equipment.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The weightlessness type double-screw powder metering machine comprises a rack and is characterized in that: the powder storage barrel is arranged at the upper end of the rack and communicated with the double-screw conveying device, a bridge breaking device is arranged at the side end of the powder storage barrel, and a collecting hopper mechanism is arranged at the conveying outlet end of the double-screw conveying device.

2. The weight-loss twin-screw powder metering machine of claim 1, characterized in that: the powder storage barrel comprises a barrel body, a conveying barrel with a funnel-shaped bottom is mounted at the lower end of the barrel body, a mounting hole is formed in the side end of the conveying barrel, and a powder outlet is formed in the center of the lower end of the conveying barrel.

3. The weight-loss twin-screw powder metering machine of claim 2, characterized in that: the bridge breaking device comprises a bridge breaking motor, a horizontal rotating shaft is arranged at the side end of the bridge breaking motor, one end of the rotating shaft is in transmission connection with the bridge breaking motor, the other end of the rotating shaft is provided with a stirring rod, and the rotating shaft penetrates through the middle of the stirring rod and is connected with the stirring rod;

the motor for breaking the bridge is installed on the outer wall of the conveying barrel, and the rotating shaft penetrates through the installation hole and extends into the conveying barrel.

4. The weight-loss twin-screw powder metering machine of claim 1, characterized in that: the double-screw conveying device comprises a conveying channel, a powder inlet is formed in the upper end of the conveying channel, two screws which are arranged side by side are arranged in the conveying channel, a conveying motor is installed at one end of the conveying channel, and the other end of the conveying channel extends into the collecting hopper mechanism and is provided with a conveying outlet;

one end of the screw rod is in transmission connection with the conveying motor, and the other end of the screw rod penetrates through the conveying outlet and extends out of the conveying channel.

5. The weight-loss twin-screw powder metering machine of claim 3, characterized in that: the collecting funnel mechanism comprises a mechanism frame, one end of the mechanism frame is provided with a mounting conveying hole which horizontally penetrates through the mechanism frame, and a protective cover is arranged in the mechanism frame;

the two ends of the protective cover are embedded with the conveying holes, and the lower end of the protective cover is provided with a collecting funnel; the delivery outlet of the delivery passage is arranged at the upper end of the collecting funnel.

6. The weight-loss twin-screw powder metering machine of claim 3, characterized in that: the shape of the stirring rod is S-shaped, and the middle section of the stirring rod is connected with the rotating shaft.