阅读说明：本技术 转盘式高速称量装置 (Rotary disc type high-speed weighing device ) 是由 黄维佳 刘孙正 马俊 陈志涛 于 2021-10-28 设计创作，主要内容包括：本发明提供一种转盘式高速称量装置,包括固定架、及环绕安装在固定架上的称量模组,称量模组的称量斗伸出固定架设置,且固定架上设置有与每个称量斗对应的开启装置,开启装置用于开启称量斗；其中,固定架上还环绕设置有可旋转的运送模组,运送模组位于称量模组下方且与称量斗对应设置；还包括有下料装置,下料装置与固定架连接,且下料装置用于开启运送模组中的单个运送斗；运送模组能够循环对应称量斗,并且各自的开启装置和下料装置均是独立控制,所以在物料运送途中称量斗就可以准备下道工序的称量动作,节省大量等待时间,且称量模组是可拆卸的,可以随时进行拆卸调节,不会影响下方的运送斗工作；达到物料流转顺序合理、准确称量的效果。(The invention provides a rotating disc type high-speed weighing device which comprises a fixed frame and weighing modules arranged on the fixed frame in a surrounding manner, wherein weighing hoppers of the weighing modules extend out of the fixed frame, the fixed frame is provided with an opening device corresponding to each weighing hopper, and the opening devices are used for opening the weighing hoppers; wherein, the fixed frame is also provided with a rotatable conveying module in a surrounding way, and the conveying module is positioned below the weighing module and is arranged corresponding to the weighing hopper; the blanking device is connected with the fixing frame and used for opening a single conveying hopper in the conveying module; the conveying module can correspond to the weighing hoppers in a circulating mode, and the respective opening devices and the respective blanking devices are independently controlled, so that the weighing hoppers can be prepared for the weighing action of the next procedure in the process of material conveying, a large amount of waiting time is saved, the weighing module is detachable, the disassembling and the adjustment can be carried out at any time, and the work of the conveying hoppers below cannot be influenced; the effect of reasonable and accurate weighing of the material circulation sequence is achieved.)

1. A rotating disc type high-speed weighing device is characterized by comprising a fixed frame and weighing modules arranged on the fixed frame in a surrounding manner, wherein weighing hoppers of the weighing modules extend out of the fixed frame, opening devices corresponding to the weighing hoppers are arranged on the fixed frame, and the opening devices are used for opening the weighing hoppers; wherein, the fixed frame is also provided with a rotatable conveying module in a surrounding way, and the conveying module is positioned below the weighing module and is arranged corresponding to the weighing hopper; still including unloader, unloader is connected with the mount, and unloader is used for opening and transports the single fill that transports in the module.

2. The turntable type high-speed weighing device according to claim 1, wherein the fixing frame comprises an outer frame, a center bearing plate, and a support rod arranged around the center bearing plate, one end of the support rod is connected with the center bearing plate, and the other end is provided with an opening device; the central bearing plate is detachably connected with a weighing module; the opening device comprises a first driving device and a first telescopic shaft, the first driving device is installed on one side, far away from the supporting rod, of the weighing hopper, and the first driving device is connected with the outer frame; the first driving device is used for driving the first telescopic shaft to extend out so as to enable the weighing hopper to discharge materials.

3. The rotating disc type high-speed weighing device according to claim 2, further comprising a second driving device and a rotating shaft, wherein the rotating shaft is connected with the fixed frame, the rotating shaft is connected with a conveying module, and the moving track of the conveying module is located on the discharging track of the weighing hopper; the second driving device is used for controlling the rotation of the rotating shaft.

4. The rotating disc type high-speed weighing device according to claim 3, wherein the blanking device is arranged on the frame of the fixing frame, the blanking device comprises a third driving device and a third telescopic shaft, and the third driving device is used for driving the third telescopic shaft to extend out so as to enable the transporting bucket to blank.

5. The rotating disc type high-speed weighing apparatus according to claim 1, wherein the opening of the carrying hopper is larger than the opening size of the weighing hopper.

6. The rotating disc type high-speed weighing device according to claim 2, wherein the weighing module comprises a fixed plate, a linear vibration module is connected to the fixed plate, a weighing hopper is arranged at a discharge port of the linear vibration module, a weighing sensor is connected to the weighing hopper, and the weighing sensor is fixed to the fixed plate.

7. The rotating disc type high-speed weighing device according to claim 6, wherein the weighing hopper comprises two side walls which are mutually opened and closed, one side wall is fixedly connected with the weighing sensor, one end of the other side wall close to the opening is provided with an opening and closing part, and the opening and closing part is arranged at a distance from the first telescopic shaft.

8. The rotating disc type high-speed weighing device according to claim 6, wherein the central bearing plate is further provided with two limiting slide rails, the long sides of the fixed plate are clamped between the limiting slide rails, and the rotating disc type high-speed weighing device further comprises a limiting bottom plate, and the limiting bottom plate is arranged between the limiting slide rails and abuts against the wide sides of the fixed plate.

9. The rotating disc type high-speed weighing device according to claim 8, wherein the linear vibration module comprises a base, one end of the base is provided with an electromagnet, the other end of the base is provided with at least two grooves, the slope surface of one side of each groove close to the electromagnet is respectively attached with a vibration plate, the other end of each vibration plate is connected with a transmission plate, and one side of the transmission plate close to the electromagnet is provided with an armature; wherein, every trembler parallel arrangement makes driving plate and base all be in the horizontality.

10. The rotating disc type high-speed weighing device according to claim 8, wherein a fixed column is further mounted on the surface of the base far away from the electromagnet, a fixed screw is coaxially arranged on the fixed column, and a spring is sleeved outside the fixed screw and the fixed column; the fixing screws are used for being fixed with the fixing plate and extending out of the fixing plate to be connected with the central bearing plate, wherein the central bearing plate is further provided with a through groove for the fixing screws to extend out, and the through groove is arranged between the two limiting slide rails.

Technical Field

The invention relates to the technical field of ingredient weighing devices, in particular to a rotating disc type high-speed weighing device.

Background

In industrial production, especially in pharmaceutical production, the situation of controlling the ratio of various materials is often encountered, and in most cases, workers respectively weigh different raw materials according to the required ratio, then sequentially add the weighed raw materials into a heat-insulating barrel, and finally obtain a finished product through a series of processes such as stirring and mixing. In the process, a plurality of workers are needed to cooperate to operate, the labor intensity is high, the influence of the proficiency of the operation of the workers is easy, the batching precision is not high, and the quality of a final finished product is influenced. Along with the upgrade of manufacturing enterprises in China, the improvement of the automation level becomes more and more the key of the enterprises for improving the productivity and efficiency. At present, the conventional small-material multi-station production line type automatic weighing and batching device adopts a multi-station type batching mode of moving a mixing container to the position below a feeding mechanism, and the batching system has high efficiency and sufficient installation space. But the corresponding automatic weighing and batching device generally adopts a roller conveying line or a chain conveying line to move the weighing container to a weighing station below the feeding mechanism for weighing and batching. The roller conveying line has difficulty in mounting the weighing device; the chain conveying line has large chain clearance, is easy to accumulate materials and is not suitable for cleaning; the weighing device aims at the defects of complex structure, large volume, poor weighing precision, poor reliability and low weighing efficiency in the process of proportioning of various material formulas.

In the prior art, for example, the document with the application number of 201820106658.4 discloses a multi-station double-track type automatic weighing and batching device; the method comprises the following steps: station is weighed to a plurality of on two track transfer chain, wherein: a feeding mechanism and a liftable weighing platform which are connected with the control cabinet are arranged on each weighing station, and a photoelectric position detection switch and a pneumatic stop rod which are connected with the control cabinet are arranged in front of the weighing station; the automatic, efficient and accurate feeding and conveying work can be realized; the device is also a single station weighing transport and then needs to wait for the next empty transport bucket, which is time-consuming because weighing still takes time and all operations are stopped if weighing errors occur. It can be seen that there are at least three related technical problems in the prior art: 1. firstly, the material weighing circulation sequence is unreasonable, so that the conveyed materials have to wait for a weighing hopper to weigh; 2. when weighing error occurs, a single station can be adjusted in time without influencing other working procedures in operation; 3. ensure the accurate weighing of the materials.

Disclosure of Invention

In order to solve the existing problems, the invention provides a rotary weighing device, each station weighing module is independently and detachably arranged, and the bottom of each station weighing module is provided with a corresponding rotatable conveying station, so that the blanking of each weighing module is ensured to be only capable of weighing the next procedure without waiting for operation, the operation process can be carried out at high speed, each station is accurately weighed, and each station can be detachably arranged and normally operated when a certain station is abnormal, and the weighing of materials is not influenced.

The invention relates to a rotating disc type high-speed weighing device which comprises a fixed frame and a weighing module which is arranged on the fixed frame in a surrounding manner, wherein weighing hoppers of the weighing module extend out of the fixed frame, an opening device corresponding to each weighing hopper is arranged on the fixed frame, and the opening devices are used for opening the weighing hoppers; wherein, the fixed frame is also provided with a rotatable conveying module in a surrounding way, and the conveying module is positioned below the weighing module and is arranged corresponding to the weighing hopper; still including unloader, unloader is connected with the mount, and unloader is used for opening and transports the single fill that transports in the module.

Preferably, the fixing frame comprises a central bearing plate and a supporting rod arranged around the central bearing plate, the supporting rod is connected with the central bearing plate, and the central bearing plate is detachably connected with the weighing module; the opening device comprises a first driving device and a first telescopic shaft, and the first driving device is fixedly arranged at one end of the supporting rod, which is far away from the central bearing plate; the first driving device is used for driving the first telescopic shaft to extend out so as to enable the weighing hopper to discharge materials.

Preferably, the automatic feeding device further comprises a second driving device and a rotating shaft, the rotating shaft is connected with the fixed frame, the rotating shaft is connected with a conveying module, and the motion track of the conveying module is located on the discharging track of the weighing hopper; the second driving device is used for controlling the rotation of the rotating shaft.

Preferably, the blanking device is arranged on a frame of the fixing frame and comprises a third driving device and a third telescopic shaft, and the third driving device is used for driving the third telescopic shaft to extend out so as to enable the conveying bucket to carry out blanking.

Preferably, the opening of the transport hopper is larger than the opening of the weighing hopper.

As preferred, weigh the module and include the fixed plate, be connected with the rectilinear vibration module on the fixed plate, the feed opening of rectilinear vibration module is provided with the weighing hopper, and the weighing hopper is connected with weighing sensor, and weighing sensor is fixed and on the fixed plate.

Preferably, the weighing hopper comprises two side walls which are mutually opened and closed, one side wall is fixedly connected with the weighing sensor, one end, close to the opening, of the other side wall is provided with an opening and closing part, and the opening and closing part and the first telescopic shaft are arranged at intervals.

As preferred, still be provided with two spacing slide rails on the central loading board, the long limit block in the both sides of fixed plate is between spacing slide rail, wherein still includes spacing bottom plate, and spacing bottom plate sets up between spacing slide rail, supports with the broadside of fixed plate and holds.

Preferably, the linear vibration module comprises a base, one end of the base is provided with an electromagnet, the other end of the base is provided with at least two grooves, the slope surface of one side, close to the electromagnet, of each groove is respectively attached with a vibration sheet, the other end of each vibration sheet is connected with a transmission plate, and one side, close to the electromagnet, of each transmission plate is provided with an armature; wherein, every trembler parallel arrangement makes driving plate and base all be in the horizontality.

Preferably, a fixing column is further mounted on the surface of the base, which is far away from the electromagnet, a fixing screw is coaxially arranged on the fixing column, and a spring is sleeved outside the fixing screw and the fixing column; the fixing screws are used for being fixed with the fixing plate and extending out of the fixing plate to be connected with the bearing plate, wherein the central bearing plate is further provided with a through groove for the fixing screws to extend out, and the through groove is arranged between the two limiting slide rails.

The invention has the beneficial effects that: the invention provides a rotating disc type high-speed weighing device which comprises a fixed frame and weighing modules arranged on the fixed frame in a surrounding manner, wherein weighing hoppers of the weighing modules extend out of the fixed frame, the fixed frame is provided with an opening device corresponding to each weighing hopper, and the opening devices are used for opening the weighing hoppers; wherein, the fixed frame is also provided with a rotatable conveying module in a surrounding way, and the conveying module is positioned below the weighing module and is arranged corresponding to the weighing hopper; the blanking device is connected with the fixing frame and used for opening a single conveying hopper in the conveying module; the conveying modules can correspond to the weighing hoppers in a circulating mode, and the respective opening devices and the respective blanking devices are independently controlled, so that the weighing hoppers can prepare for the weighing action of the next procedure in the process of material conveying, a large amount of waiting time is saved, meanwhile, the weighing modules are detachably connected, the weighing modules can be detached and adjusted at any time, and the operation of the conveying hoppers below cannot be influenced; thereby achieving the effect of reasonable and accurate weighing of the material circulation sequence.

Drawings

FIG. 1 is a schematic top view of the overall structure of the present invention;

FIG. 2 is a bottom view of the overall structure of the present invention;

FIG. 3 is a schematic view of the present invention;

FIG. 4 is a schematic view of the conveying hopper and the lower process blanking structure of the present invention;

FIG. 5 is a schematic view of a weighing module according to the present invention;

FIG. 6 is an exploded view of the weighing module of the present invention;

FIG. 7 is a schematic view of the weighing module and the transporting hopper of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;

FIG. 9 is a side view of the linear vibration module of the present invention with the housing removed;

fig. 10 is a perspective view of the linear vibration module of the present invention with the housing removed.

Symbolic illustration of components

1. A fixed mount; 11. a central bearing plate; 111. a limiting slide rail; 112. a limiting bottom plate; 113. a through groove; 12. a support bar;

2. a weighing module; 21. a weighing hopper; 22. an opening device; 221. a first driving device; 222. a first telescopic shaft; 23. a fixing plate; 24. a linear vibration module; 241. a feeding port; 242. a weighing sensor; 243. a base; 2431. an electromagnet; 2432. a groove; 24321. a vibrating piece; 24322. a drive plate; 24323. an armature; 2433. fixing a column; 24331. a set screw; 24332. a spring;

3. a transport module; 31. a conveying hopper; 32. a blanking device; 321. a third driving device; 322. and a third telescopic shaft.

Detailed Description

In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.

In the following description, details of general examples are given to provide a more thorough understanding of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. It should be understood that the specific embodiments are illustrative of the invention and are not to be construed as limiting the invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

As described in the background art, in the flow-based weighing operation in the prior art, since the weighing device depends on the operation device, the two devices can only weigh a single operation material once, and need to be paired one by one to complete two actions of weighing and conveying, the conveying time is easily wasted on the premise that the two devices are influenced by each other, and when a single station has a problem, the existing equipment needs to be integrally stopped for maintenance, so that all schedules are delayed, and if the equipment is simply changed into a detachable form, the prior art cannot be directly used, firstly, the obstruction caused by the material operation form is caused, and the material of the single weighing station cannot be supplemented after circulation by adopting the pipeline operation; secondly, there is not good weighing component, because weigh and the unloading is two divided modules in prior art, only debugging after the installation can reach accurate weighing precision, if simply reform transform prior art into the detachable mode, it will appear after installing once more weighing precision inaccurate, unloading offset scheduling problem, after the error accumulates many times, will lead to the defective products to appear. In order to solve the above-mentioned problems of relevance and reduction, a technical solution is disclosed as follows.

Specifically, a rotating disc type high-speed weighing device is disclosed, please refer to fig. 1-4, which includes a fixed frame 1 and a weighing module 2 mounted on the fixed frame 1 in a surrounding manner, wherein weighing hoppers 21 of the weighing module 2 extend out of the fixed frame 1, an opening device 22 corresponding to each weighing hopper 21 is arranged on the fixed frame 1, and the opening device 22 is used for opening the weighing hoppers 21; wherein, the fixed mount 1 is also provided with a rotatable conveying module 3 in a surrounding way, and the conveying module 3 is positioned below the weighing module 2 and is arranged corresponding to the weighing hopper 21; the automatic feeding device is characterized by further comprising a blanking device 32, wherein the blanking device 32 is connected with the fixed frame 1 and is used for opening the single conveying bucket 31 in the conveying module 3. The weighing module that so-called annular set up with transport the module and be the carousel formula design exactly, and be the design of range upon range of formula, the bucket that transports of module is installed to the scale hopper below of weighing module, and transport the module and can rotate, and weigh the module and do not rotate, the material is distributed to each scale hopper from the top, then carry out the weighing of fixed weight through weighing the module, then open the scale hopper through opening device, let the material fall into and transport in the hopper, then transport the hopper to the station back of fixed unloading, open through unloader and transport the hopper, make the material flow to next workshop section and handle. Therefore, the weighing module can weigh when the conveying hopper is transferred to the next station, and can immediately discharge after waiting for the next hopper; meanwhile, the opening devices of the weighing hoppers and the conveying hoppers are different, each weighing hopper corresponds to one opening device, and the conveying hoppers are only required to be provided with blanking devices at fixed points for blanking, so that the operation and the weighing can be controlled independently.

In the present embodiment, please refer to fig. 5-6; the fixing frame 1 comprises an outer frame, a central bearing plate 11 and a supporting rod 12 arranged around the central bearing plate 11, the supporting rod 12 is connected with the central bearing plate 11, and the opening device is connected with the other end of the supporting rod; the central bearing plate 11 is detachably connected with the weighing module 2; the opening device 22 comprises a first driving device 221 and a first telescopic shaft 222, the first driving device 221 is arranged on one side of the weighing hopper far away from the supporting rod, and the first driving device is connected with the shell of the fixing frame; the first driving device 221 is used for driving the first telescopic shaft 222 to extend so as to discharge the weighing hopper. The material conveying device can be specifically a telescopic motor, the telescopic motor is controlled by an industrial control module and then drives a movable plate extending out to press the weighing hopper to be opened, so that materials flow into the conveying hopper; the industrial control module is an electric control mechanism for controlling the operation of the whole process, and control software is written in the industrial control module to control the action of the process. Specific industrial control modules include, but are not limited to, PLC systems, DCS systems (distributed control systems), and FCS systems (field bus control systems).

In this embodiment, the automatic feeding device further comprises a second driving device and a rotating shaft, the rotating shaft is connected with the fixed frame, the rotating shaft is connected with the conveying module 3, and the motion track of the conveying module 3 is located on the discharging track of the weighing hopper 21; the second driving device is used for controlling the rotation of the rotating shaft. The second driving device may be a stepping motor or a hollow motor, etc., so as to drive the rotation shaft to rotate.

In this embodiment, the blanking device 32 is disposed on the frame of the fixing frame, and the blanking device 32 includes a third driving device 321 and a third telescopic shaft 322, where the third driving device is configured to drive the third telescopic shaft to extend out so as to blank the conveying bucket. Similarly, the motor can be specifically a telescopic motor, and the telescopic motor is controlled by the industrial control module.

In the present embodiment, the opening of the conveyance bucket 31 is larger than the opening size of the weighing bucket 21. The material of guaranteeing the weighing hopper can fall into transporting in the fill completely.

In the present embodiment, please refer to fig. 4-8; weighing module 2 includes fixed plate 23, is connected with rectilinear vibration module 24 on the fixed plate 23, and rectilinear vibration module 24's feed opening 241 is provided with weighing hopper 21, and weighing hopper 21 is connected with weighing sensor 242, and weighing sensor 242 is fixed with on the fixed plate 23. The weighing hopper comprises two side walls which are mutually opened and closed, one side wall is fixedly connected with the weighing sensor, one end, close to the opening, of the other side wall is provided with an opening and closing part, and the opening and closing part and the first telescopic shaft are arranged at intervals. Through the accurate adjustment of feed opening to vibration frequency, can realize the infinitely variable control of vibration rate, also can realize the infinitely variable control of unloading rate, can adjust into nonlinear unloading process, 80% material falls in the preceding stage, then reduces vibration frequency and falls 20% material, reduces the error.

In this embodiment, the fixing plate is detachably connected to the center bearing plate, so that the single station can be independently detached and adjusted, and at the same time, the positions of the linear vibration module and the weighing hopper can be ensured not to be changed due to the detachment and installation, and the weighing precision can be ensured to be the same before and after the detachment and installation, so as to realize a simple detachment and installation process, meanwhile, because the center bearing plate is circularly arranged, the movement track in the scheme is also a circular circulation track, so that after a plurality of weighing modules are detached, the position of the fixed station does not need to be considered, the weighing module can be arbitrarily installed, meanwhile, the weighing module and the conveying hopper below are not linearly bound and associated, so that the single station above can be replaced without damaging the whole material operation flow, two limit slide rails 111 are further arranged on the center bearing plate 11, the long sides of the fixing plate 23 are clamped between the limit slide rails 111, the limiting base plate 112 is arranged between the limiting slide rails and abuts against the wide edge of the fixing plate; position of fixed plate on the central loading board is in order to inject through trilateral block to guarantee that weighing hopper below is to transporting the fill. Still be provided with the handle in the both sides of fixed plate simultaneously, can be convenient carry out the dismouting of whole module.

In the present embodiment, please refer to fig. 9-10; the linear vibration module 24 comprises a base 243, one end of the base 243 is provided with an electromagnet 2431, the other end of the base 243 is provided with at least two grooves 2432, the slope surface of one side, close to the electromagnet, of each groove 2432 is respectively attached with a vibration plate 24321, the other end of each vibration plate is connected with a driving plate 24322, and one side, close to the electromagnet, of each driving plate is provided with an armature 24323; wherein, every trembler parallel arrangement makes driving plate and base all be in the horizontality. Owing to set up electro-magnet and armature interval, consequently, the vibration of its production does not have the mutual restraint loss of structure contact, adjustment vibration rate that can be accurate, simultaneously, with the trembler laminating on the domatic of recess, and be close to the domatic of armature one side, consequently, the trembler is when producing the vibration, only can produce the restraint to the vibration of armature one side, and just there is not the restraint of other structures to the vibration to the ascending vibration of feed direction, can make vibration efficiency improve greatly, vibration loss in the feed direction is less than prior art, consequently can be accurate adjust vibration frequency through the mode of electro-magnet through the alternating current, thereby realize multipolar regulation or even the electrodeless regulation feed speed.

Preferably, a fixing column 2433 is further mounted on the surface of the base 243 far away from the electromagnet, a fixing screw is coaxially arranged on the fixing column, and a spring 24332 is sleeved outside the fixing screw 24331 and the fixing column; the fixing screws are used for being fixed with the fixing plate and extending out of the fixing plate to be connected with the central bearing plate, wherein the central bearing plate 11 is further provided with a through groove 113 for the fixing screws to extend out, and the through groove is arranged between the two limiting slide rails. Through the non-rigid connection of bottom for the downward effort that the vibration produced can be turned into the reaction force of upwards vibration by the spring is reverse, cooperates the trembler that the slant set up simultaneously, and the help material impels step by step. The integral feeding efficiency is greatly improved.

In this embodiment, the transmission plate includes a horizontal plate and a bending plate, the bending plate is parallel to the vibrating plate, and the vibrating plate farthest from the electromagnet is attached to the bending plate; one end of the horizontal plate close to the electromagnet is connected with an armature; the vibrating plate is connected to the farthest end, so that the integral structure can be stably placed when no magnetic force is generated, the structural stability is enhanced, and the influence of inertia force is weakened. The vibrating pieces are divided into an end vibrating piece and a middle vibrating piece according to positions, the vibrating piece farthest from the electromagnet is the end vibrating piece, one end of the end vibrating piece is attached to the slope surface of the groove, and the other end of the end vibrating piece is attached to the bending plate; the vibrating plate is characterized by further comprising a base plate, one end of the base plate is attached to the horizontal plate, the other end of the base plate is bent towards one side of the groove to form a transition part, and the transition part is attached to and connected with the middle vibrating piece; make the laminating that middle part trembler can be better on the domatic and the horizontal plate of recess through the backing plate for its vibrational force can be the vibration of the maximum conversion material, thereby guarantee the precision and the speed of feed. The vibrating device comprises an end vibrating piece and two middle vibrating pieces, wherein the two middle vibrating pieces are sequentially and uniformly distributed between the end vibrating piece and the armature, and the middle vibrating pieces and the end vibrating pieces are arranged in parallel.

In this embodiment, the recess of middle part trembler laminating is the middle part recess, and the domatic of middle part recess near electro-magnet one side is provided with the step, and the middle part trembler sets up on the step. The height of the middle vibrating plate can be conveniently adjusted through the steps, so that the horizontal position of the transmission plate is adjusted, and the requirements of various materials are met. In the embodiment, the armature and the electromagnet are arranged in parallel and at intervals, the armature and the transmission plate are preferably arranged vertically, and the armature is connected with the transmission plate to form a cantilever type structure and arranged at intervals with the base. And the product of the invention is of a sealed structure as a whole and has good waterproof performance. The precision of stepless speed regulation is ensured by the slope type design of the linear vibration module and the compact design of the multilayer vibration pieces, and meanwhile, the vibration feed opening and the weighing sensor are arranged on the same fixed plate, so that the weighing precision of the linear vibration module can be ensured after the linear vibration module is disassembled and assembled; meanwhile, the material is conveyed by matching with a material conveying hopper with a circular motion track below.

The invention has the technical effects that:

the conveying modules can correspond to the weighing hoppers in a circulating mode, and the respective opening devices and the respective blanking devices are independently controlled, so that the weighing hoppers can prepare for the weighing action of the next procedure in the process of material conveying, a large amount of waiting time is saved, meanwhile, the weighing modules are detachably connected, the weighing modules can be detached and adjusted at any time, and the operation of the conveying hoppers below cannot be influenced; thereby achieving the effect of reasonable and accurate weighing of the material circulation sequence.

The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.