Multi-station precise weighing and batching device

Abstract

The utility model provides a multi-station precise weighing and batching device, which comprises a machine frame, a plurality of material storage parts, a plurality of material weighing devices, a plurality of material weighing devices, a plurality of material weighing devices and a plurality of material weighing devices, and is characterized in that the machine frame is provided with a sealed space; and the weighing and batching mechanism is arranged in the sealed space, the weighing and batching mechanism is provided with weighing parts capable of moving to the positions below the discharging ports of the material storage parts, and the weighing and batching mechanism is used for receiving the materials guided out of the discharging ports of the corresponding material storage parts, weighing the materials and transferring the weighed ingredients to the discharging hopper. According to the multi-station precise weighing and batching device provided by the utility model, the rack is arranged, ingredients can be prevented from absorbing moisture and going bad through the sealed space of the rack, and a plurality of material storage parts are arranged to respectively contain various different ingredients; the weighing and batching mechanisms are arranged and can move to the positions below the discharging ports of the storage parts correspondingly, receive the materials guided out of the discharging ports of the corresponding storage parts, weigh the materials, transfer the weighed ingredients to the discharging hoppers, and then guide out the ingredients through the discharging hoppers.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the precise weighing instrument technical field, concretely relates to a multi-station precise weighing batching device. BACKGROUND

[0002] The precise weighing instrument is a kind of high-precision, high-sensitivity measuring equipment, mainly used to accurately measure the mass or weight of object, with the characteristics of high precision, high sensitivity, fast response, can measure the change of small mass, and have faster response speed.In the production of fine chemical industry, especially trace element addition, the requirement of batching precision is extremely high, generally, batching precision needs to reach ±1g, in some more special occasions, precision requirement is even as high as ±10mg.

[0003] In the prior art, during high-precision batching production, manual batching mode is usually used, but this mode has many drawbacks, labor intensity of operator is large during manual operation, it is difficult to guarantee that batching precision always maintains in error range, and operation level of different operators is uneven, combined with the difference of various raw material characteristics, for example, part of raw materials has hygroscopicity, is easily dampened and deteriorated in open manual operation environment, thereby affecting the quality of batching finished product, batching precision is not good to control, and adaptability and practicality are poor. UTILITY MODEL CONTENT

[0004] The utility model embodiment provides a multi-station precise weighing batching device, to solve the problem of poor adaptability and poor practicality of the batching and proportioning mode due to poor precision control.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows: a multi-station precise weighing batching device is provided, comprising:

[0006] The rack has a sealed space, a plurality of storage parts are arranged in the sealed space, the bottom end of each storage part has a discharge port, and the bottom end of the sealed space is connected with a discharge hopper.

[0007] The weighing and batching mechanism is arranged in the sealed space and below each storage part, the weighing and batching mechanism has a weighing part that can be moved below the discharge port of each storage part, the weighing part is used to receive the material discharged from the discharge port of the corresponding storage part, and the weighed batching is transferred to the discharge hopper.

[0008] In a possible implementation manner, the rack further comprises:

[0009] The mounting frame comprises:

[0010] The powder storage bins are arranged in a ring shape and are spaced apart on the mounting frame, each of the powder storage bins has a storage cavity, and the powder storage bins are the storage parts;

[0011] The plurality of dosing switches are arranged one-to-one with the plurality of powder storage bins, and each of the dosing switches is arranged at a dosing opening of the corresponding powder storage bin.

[0012] The discharge hopper is arranged below each of the powder storage bins, and the discharge hopper is provided with an open top communicating with the discharge opening of each of the powder storage bins.

[0013] In a possible implementation, each of the dosing switches is a plate valve.

[0014] In a possible implementation, the weighing and dosing mechanism comprises:

[0015] The fixed seat is fixed to the mounting frame and is located at the open top;

[0016] The rotating seat is rotatably arranged on the fixed seat, and the rotating axis is arranged in line with the axis around which each of the powder storage bins is arranged;

[0017] The second driver is configured to drive the rotating seat to rotate;

[0018] The connecting rod is rotatably connected to the rotating seat at one end and horizontally extends outward at the other end;

[0019] The third driver is configured to drive the connecting rod to rotate;

[0020] The weighing connecting rod is arranged at the extending end of the connecting rod at one end and extends outward along the extending direction of the connecting rod at the other end;

[0021] The tray is arranged at the extending end of the weighing connecting rod.

[0022] In a possible implementation, the weighing connecting rod is provided with a weighing module.

[0023] In a possible implementation, the weighing and dosing mechanism further comprises a vibration generator, the vibration generator is fixed to the tray, and the vibration generator is configured to high-frequency vibrate the tray with the tray after discharging is completed.

[0024] In a possible implementation, each of the powder storage bins is provided with an inlet.

[0025] In a possible implementation, the discharge hopper is provided with a discharge opening at the bottom end.

[0026] Compared with the prior art, the rack is arranged, the sealed space of the rack can avoid deterioration of the ingredients due to moisture absorption in an open environment, a plurality of material storage parts are arranged, and different ingredients can be respectively stored in the material storage parts; the weighing and ingredient arranging mechanism is arranged, can be respectively moved to below the discharge outlets of the material storage parts, receives the materials discharged from the discharge outlets of the material storage parts, weighs the materials, and transfers the weighed ingredients to the discharge hopper, and then the ingredients are discharged through the discharge hopper, the ingredient precision is high, the adaptability is good, and the practicability is good. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A structure schematic view of the multi-station precise weighing and ingredient arranging device is provided for the embodiment of the utility model;

[0028] Figure 2 A sectional structure schematic view of the multi-station precise weighing and ingredient arranging device is provided for the embodiment of the utility model;

[0029] Figure 3 A structure schematic view of the weighing and ingredient arranging mechanism of the multi-station precise weighing and ingredient arranging device is provided for the embodiment of the utility model;

[0030] EXPLANATION OF REFERENCE NUMERALS

[0031] 10, rack; 11, sealed space; 12, discharge hopper; 13, mounting frame; 14, powder material storage bin; 15, discharging switch; 20, weighing and ingredient arranging mechanism; 21, fixed seat; 22, rotating seat; 23, connecting rod; 24, weighing connecting rod; 25, tray; 26, vibration generator. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer, the utility model is further described in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0033] It should be noted that the terms "length", "width", "height", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0034] It also needs to be explained that unless there is an explicit provision and limitation, the terms such as "mounting", "connecting", "fixing", "setting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated. It can be mechanical connection, or electrical connection. It can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements or interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In addition, the meaning of "multiple", "several" is two or more, unless there is an explicit specific limitation.

[0036] Please refer to Figures 1 to 3 The multi-station precise weighing and batching device provided by the utility model will be described. The multi-station precise weighing and batching device comprises a rack 10 and a weighing and batching mechanism 20. The rack 10 has a sealed space 11, and the sealed space 11 is provided with a plurality of storage parts, and the bottom end of each storage part has a discharge port. The bottom end of the sealed space 11 is connected with a discharge hopper 12. The weighing and batching mechanism 20 is arranged in the sealed space 11 and below each storage part, and the weighing and batching mechanism 20 has a weighing part that can be moved below the discharge port of each storage part, the weighing part is used for receiving the material discharged from the discharge port of the corresponding storage part, weighing, and transferring the weighed material to the discharge hopper 12.

[0037] Compared with the prior art, the multi-station precise weighing and batching device provided by the embodiment sets the rack 10, the sealed space 11 of the rack 10 can avoid the deterioration of the batching material due to moisture absorption in an open environment, sets a plurality of storage parts, and can respectively hold various batching materials. The weighing and batching mechanism 20 is arranged and can be moved below the discharge port of each storage part, receive the material discharged from the discharge port of the corresponding storage part, and weigh and transfer the weighed material to the discharge hopper 12. The batching material is discharged through the discharge hopper 12, the batching precision is high, the adaptability is good, and the practicality is good.

[0038] The multi-station precise weighing and batching device provided by the embodiment sets the rack 10 with the sealed space 11, which can effectively prevent the interference of the external environment on the material and ensure the accuracy of the batching material. The plurality of storage parts can store a plurality of materials at the same time, improving the batching efficiency. The weighing part of the weighing and batching mechanism 20 can be moved below the discharge port of each storage part, realizing the precise weighing and batching of a plurality of materials.

[0039] In some specific embodiments, the sealed space 11 can be made of a sealing material to ensure good sealing. The storage part can be made of a suitable material and shape according to the characteristics of the material to meet the storage requirements of different materials.

[0040] In some embodiments, the above rack 10 can adopt the structure as shown in Figure 1 , Figure 2 . Referring to Figure 1 , Figure 2 , the rack 10 further comprises a mounting frame 13, a powder storage bin 14, and a discharging switch 15. The powder storage bin 14 is provided in plurality, each powder storage bin 14 is annularly and spacedly arranged on the mounting frame 13, each powder storage bin 14 has a storage cavity, and the powder storage bin 14 is a storage part. The discharging switch 15 is provided in plurality, the plurality of discharging switches 15 are arranged one by one corresponding to the plurality of powder storage bins 14, and each discharging switch 15 is arranged at a discharging port of the corresponding powder storage bin 14.

[0041] Among them, the discharge hopper 12 is arranged below each powder storage bin 14, and the top end of the discharge hopper 12 is provided with an open mouth in communication with the discharging port of each powder storage bin 14.

[0042] The annularly and spacedly arranged powder storage bins 14 have a reasonable layout, occupy a small space, and are convenient for the weighing and dosing mechanism 20 to operate. The arrangement of the discharging switch 15 can accurately control the discharging amount of the material. The open mouth design of the discharge hopper 12 in communication with the discharging port of each powder storage bin 14 facilitates the material to fall into the discharge hopper 12.

[0043] In some specific embodiments, the powder storage bin 14 can be selected according to the flowability and storage capacity requirements of the material to select a suitable diameter and height. The discharging switch 15 can be precisely controlled by an automatic control system to accurately adjust the discharging amount of the material.

[0044] In some embodiments, the above discharging switch 15 can adopt the structure as shown in Figure 2 . Referring to Figure 2 , each discharging switch 15 is a plate valve.

[0045] The plate valve as the discharging switch 15 has a simple structure, low cost, and good sealing, which can effectively prevent material leakage.

[0046] In actual application, the plate valve can be made of stainless steel material to improve its corrosion resistance and service life. By controlling the opening and closing time of the plate valve, the discharging amount of the material can be accurately controlled.

[0047] In some embodiments, the above weighing and dosing mechanism 20 can adopt the structure as shown in Figure 3 . Referring to Figure 3The weighing and dosing mechanism 20 comprises a fixed seat 21, a rotating seat 22, a second driver, a connecting rod 23, a third driver, a weighing connecting rod 24, and a tray 25. The fixed seat 21 is fixedly arranged on the mounting frame 13 and located at the opening. The rotating seat 22 is rotatably arranged on the fixed seat 21, and the rotating axis is arranged in line with the axis around which each powder storage bin 14 is arranged. The second driver is used to drive the rotating seat 22 to rotate. The connecting rod 23 is rotatably connected to the rotating seat 22 at one end and horizontally extends outward at the other end. The third driver is used to drive the connecting rod 23 to rotate. The weighing connecting rod 24 is arranged at the extending end of the connecting rod 23 at one end and extends outward along the extending direction of the connecting rod 23 at the other end. The tray 25 is arranged at the extending end of the weighing connecting rod 24.

[0048] The weighing and dosing mechanism 20 is designed ingeniously. The second driver is used to drive the rotating seat 22 to rotate, and the third driver is used to drive the connecting rod 23 to rotate, so that the tray 25 can be accurately moved to below the discharge opening of each powder storage bin 14.

[0049] In some specific embodiments, the second driver and the third driver can be driven by motors. By accurately controlling the rotating speed and rotating angle of the motor, the accurate positioning of the tray 25 can be realized. The rotating connection between the rotating seat 22 and the connecting rod 23 can be achieved by bearing connection, so as to reduce the rotating resistance and improve the rotating accuracy.

[0050] In some embodiments, the weighing connecting rod 24 can have the structure as shown in Figure 3 . Referring to Figure 3 , the weighing connecting rod 24 is provided with a weighing module.

[0051] The weighing module arranged on the weighing connecting rod 24 can accurately measure the weight of the material in real time, thereby providing data support for accurate dosing.

[0052] In some specific embodiments, the weighing module can be a high-precision electronic weighing sensor. The measurement data is transmitted to the control system, so as to accurately control the dosing process.

[0053] In some embodiments, the weighing and dosing mechanism 20 can have the structure as shown in Figure 3 . Referring to Figure 3 , the weighing and dosing mechanism 20 further comprises a vibration generator 26. The vibration generator 26 is fixedly arranged on the tray 25. The vibration generator 26 is used to high-frequency shake the tray 25 with the tray 25 after the unloading is completed.

[0054] The vibration generator 26 makes the tray 25 high-frequency shake after the unloading is completed, so as to effectively remove the residual material on the tray 25 and avoid affecting the accuracy of the next dosing.

[0055] In some specific embodiments, the vibration generator 26 can be arranged at the bottom of the tray 25, and the vibration generator 26 can be started by the control system after the unloading is completed. The vibration time and frequency can be adjusted according to the characteristics of the material.

[0056] In some embodiments, the powder storage bin 14 can have a structure as shown in Figure 1 、 Figure 2 . Referring to Figure 1 、 Figure 2 , each powder storage bin 14 is provided with a feeding port at the top end.

[0057] The feeding port at the top end of the powder storage bin 14 facilitates the addition of the material, and the feeding port can be provided with a sealing cover to prevent the material from being damp or contaminated during storage.

[0058] In some specific embodiments, the size of the feeding port can be designed according to the size of the discharge port of the material adding equipment to ensure the smoothness of the material addition.

[0059] In some embodiments, the discharge hopper 12 can have a structure as shown in Figure 1 、 Figure 2 . Referring to Figure 1 、 Figure 2 , the discharge hopper 12 is provided with a discharge port at the bottom end.

[0060] The discharge port at the bottom end of the discharge hopper 12 facilitates the delivery of the prepared material to the next process, and the discharge port can be connected to a delivery pipeline or other delivery equipment.

[0061] In some specific embodiments, the size and shape of the discharge port can be designed according to the requirements of the delivery equipment to ensure the efficiency of the material delivery.

[0062] In the specific implementation of the present scheme, first, the mounting frame 13 is built, then a plurality of powder storage bins 14 are installed on the mounting frame 13 in a ring-shaped and spaced manner, and a plate valve is installed at the bottom discharge port of each powder storage bin 14 as a discharging switch 15. The discharge hopper 12 is installed at a position below the mounting frame 13, and the open top of the discharge hopper 12 is communicated with the discharge ports of the powder storage bins 14.

[0063] Then, the weighing and dosing mechanism 20 is installed, the fixed seat 21 is fixed on the installation frame 13 at the position of the opening, then the rotating seat 22 is rotatably arranged on the fixed seat 21, the rotating axis of the rotating seat 22 is collinear with the axis of each powder storage bin 14, the second driver is installed to drive the rotating seat 22 to rotate. One end of the connecting rod 23 is rotatably connected to the rotating seat 22, the other end of the connecting rod 23 extends horizontally and outwardly, and the third driver is installed to drive the connecting rod 23 to rotate. The weighing connecting rod 24 is installed at the extending end of the connecting rod 23, the tray 25 is installed at the extending end of the weighing connecting rod 24, and the weighing module is installed on the weighing connecting rod 24. Finally, the vibration generator 26 is installed on the tray 25.

[0064] In the actual dosing process, various materials are added into the corresponding powder storage bin 14 through the feeding port. According to the dosing requirements, the second driver and the third driver are started by the control system to move the tray 25 to the position below the discharge port of the corresponding powder storage bin 14. The corresponding plate valve is opened, the materials fall into the tray 25, the weighing module measures the weight of the materials in real time, and when the set weight is reached, the plate valve is closed. Then, the second driver and the third driver are started again to move the tray 25 to the position above the discharge hopper 12, and the materials are poured into the discharge hopper 12. After the discharging is completed, the vibration generator 26 is started to make the tray 25 vibrate at high frequency to clean the residual materials. In this way, the accurate dosing of multiple materials is completed.

[0065] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A multi-station precision weighing and batching device, characterized in that, The machine frame comprises: a rack having a sealed space, a plurality of storage portions are arranged in the sealed space, and the bottom end of each storage portion is provided with a discharge port; and a discharge hopper connected to the bottom end of the sealed space; a weighing and batching mechanism arranged in the sealed space and below each storage portion, the weighing and batching mechanism having a weighing portion movable to below the discharge port of each storage portion, the weighing portion being used to receive material discharged from the discharge port of the corresponding storage portion, weigh the material, and transfer the weighed and batched material to the discharge hopper.

2. The multi-station precision weighing and dosing apparatus as claimed in claim 1, characterized in that, The machine frame further comprises: a mounting frame; a plurality of powder storage bins, each powder storage bin being annularly and spacedly arranged on the mounting frame, each powder storage bin having a storage cavity, and the powder storage bin being the storage portion; a plurality of discharge switches, each discharge switch being arranged at the discharge port of the corresponding powder storage bin; wherein the discharge hopper is arranged below each powder storage bin, and the discharge hopper is provided at the top end with an open port in communication with the discharge port of each powder storage bin.

3. The multi-station precision weighing and dosing apparatus as claimed in claim 2, characterized in that, Each discharge switch is a plate valve.

4. The multi-station precision weighing and dosing apparatus according to claim 2, characterized in that, The weighing and batching mechanism comprises: a fixed seat fixedly arranged on the mounting frame and located at the open port; a rotating seat rotatably arranged on the fixed seat, the rotating axis of the rotating seat being arranged in line with the axis around which each powder storage bin is arranged; a second driver for driving the rotating seat to rotate; a connecting rod having one end rotatably connected to the rotating seat and the other end horizontally and outwardly extending; a third driver for driving the connecting rod to rotate; a weighing connecting rod having one end arranged on the extending end of the connecting rod and the other end outwardly extending along the extending direction of the connecting rod; a tray arranged on the extending end of the weighing connecting rod.

5. The multi-station precision weighing and dosing apparatus as claimed in claim 4, characterized in that, The weighing connecting rod is provided with a weighing module.

6. The multi-station precision weighing batcher of claim 4, wherein, The weighing and batching mechanism further comprises a vibration generator fixedly arranged on the tray, the vibration generator being used to high-frequency shake the tray with the material discharged therefrom after the discharge is completed.

7. The multi-station precision weighing batcher of claim 2, wherein, The top end of each powder storage bin is provided with a feeding port.

8. The multi-station precision weighing batcher of claim 2, wherein, The bottom end of the discharge hopper is provided with a discharge port.

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