Quantitative mechanism for adsorbing powder by utilizing negative pressure

Abstract

A quantitative mechanism for adsorbing powder through negative pressure is characterized by comprising a quantitative box, a feeding pipe is arranged on the quantitative box, the feeding pipe is connected with a stock bin, a filter screen is arranged on the quantitative box, a material level sensor is arranged on the quantitative box, a limiting strip is arranged at the upper end of the quantitative box, a pushing plate is arranged above the limiting strip, and the pushing plate is arranged above the limiting strip. A connecting rod is arranged on the pushing plate and located in the limiting groove, a fixing block is arranged below the quantitative box, and a sliding groove is formed in the lower end of the quantitative box; the connecting rod is forcefully pushed downwards, the pushing plate extrudes the limiting strip to deform, the pushing plate crosses the semicircular limiting strip to clean the inner wall of the quantitative box in a scraping mode, the connecting rod moves downwards in the limiting groove till the deepest position, quantitative taking of powder is completed, the situation that the filling gram weight is not accurate is avoided, and meanwhile the structure is simple, operation is convenient, and practicability is high. And the method has wide popularization value.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder ration taking technology field especially utilizes negative pressure adsorption powder ration mechanism. BACKGROUND

[0002] The granule filling machine is suitable for the small bag packaging of medicine, food, chemical industry, pesticide and the like, is suitable for the production of granule medicine, sand sugar, coffee, fruit treasure, tea, gourmet powder, salt, seed, drying agent and the like, at present, the portable form of bagged granule is more and more welcomed by the majority of users, especially some small dose food, medicine, precious medicinal material or chemical preparation, wherein the precious medicinal material with gram as the unit of measurement often causes economic loss due to the inaccuracy of the filling machine in measuring the accurate gram weight of the medicinal material when selling,

[0003] The existing powder ration device may not accurately fill the gram weight when in use, and the negative pressure adsorption powder ration mechanism is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems, the utility model provides a negative pressure adsorption powder ration mechanism, characterized by comprising a ration tank, a feeding pipe, a stock bin, a filter screen, a material level sensor, a limiting strip, a push plate, a connecting rod, a limiting groove, a fixing block, a sliding groove, a bearing plate, a connecting plate, an electric push rod and a collection box, the ration tank is provided with the feeding pipe, the feeding pipe is connected with the stock bin, the ration tank is provided with the filter screen, the ration tank is provided with the material level sensor, the upper end of the ration tank is provided with the limiting strip, the push plate is arranged above the limiting strip, the connecting rod is arranged on the push plate, the connecting rod is located in the limiting groove, the lower side of the ration tank is provided with the fixing block, the lower end of the ration tank is provided with the sliding groove, the sliding groove is provided with the bearing plate, the bearing plate is provided with the connecting plate, the connecting plate is provided with the electric push rod, and the lower side of the ration tank is provided with the collection box.

[0005] Further, the stock bin is airtight, the stock bin is connected with the ration tank through the feeding pipe, and the feeding pipe is provided with a negative pressure device.

[0006] Further, the opposite side of the ration tank in contact with the feeding pipe is provided with the filter screen, the pore size of the filter screen is smaller than that of the powder, the material level sensor is arranged on the inner wall of the ration tank, and the material level sensor is connected with an external controller.

[0007] Further, the upper end of the ration tank is provided with two limiting strips, the two limiting strips are oppositely arranged, the limiting strips are in semicircular shape and are fixed on the inner wall of the ration tank, the push plate is arranged on the limiting strips, the size of the push plate is the same as that of the inner wall of the ration tank, the upper end of the push plate is fixedly provided with the connecting rod, the top of the ration tank is provided with the limiting groove, and the connecting rod passes through the limiting groove and extends out of the ration tank.

[0008] Further, the outer wall in the lower end of the quantitative tank is provided with two fixing blocks, each of the two fixing blocks is provided with an electric push rod, the electric push rod is connected with an external controller, the other end of the electric push rod is fixedly connected with a connecting plate, the connecting plate is located outside the quantitative tank, the connecting plate is fixedly connected with a bearing plate, the chute is located in the lower end of the quantitative tank and has an opening on the outer wall of the quantitative tank, the bearing plate is located in the chute and extends out of the quantitative tank.

[0009] Further, the bottom of the quantitative tank is provided with a material collecting port located below the bearing plate, and a collecting box is arranged below the material collecting port.

[0010] The utility model has the advantages of:

[0011] The utility model discloses a negative pressure adsorption powder rationing mechanism, which comprises a quantitative tank, a feeding pipe, a filter screen, a material level sensor, a negative pressure device, an electric push rod and a connecting plate. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is an overall structure schematic view of the negative pressure adsorption powder rationing mechanism.

[0013] Figure 2 It is an internal structure schematic view of the negative pressure adsorption powder rationing mechanism.

[0014] Figure 3 It is a partial structure schematic view of the negative pressure adsorption powder rationing mechanism.

[0015] Figure 4 It is a partial structure schematic view of the negative pressure adsorption powder rationing mechanism.

[0016] As shown in Figure: 1 quantitative box, 2 inlet pipe, 3 bunker, 4 filter screen, 5 material level sensor, 6 limit strip, 7 push plate, 8 connecting rod, 9 limit slot, 10 fixed block, 11 sliding slot, 12 bearing plate, 13 connecting plate, 14 electric push rod, 15 collection box. DETAILED DESCRIPTION

[0017] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present application, rather than all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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 present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. Example 1

[0020] The utility model provides a utilize negative pressure adsorption powder rationing mechanism, its characterized in being connected with including rationing box 1, inlet pipe 2, stock bin 3, filter screen 4, material level sensor 5, limit strip 6, push board 7, connecting rod 8, limit groove 9, fixed block 10, sliding slot 11, bearing plate 12, connecting plate 13, electric push rod 14, collection box 15, be provided with inlet pipe 2 on rationing box 1, inlet pipe 2 is connected with stock bin 3, be provided with filter screen 4 on rationing box 1, be provided with material level sensor 5 on rationing box 1, the upper end of rationing box 1 is provided with limit strip 6, be provided with push board 7 on the upper side of limit strip 6, be provided with connecting rod 8 on push board 7, connecting rod 8 is located in limit groove 9, be provided with fixed block 10 below rationing box 1, be provided with sliding slot 11 at the lower end of rationing box 1, be provided with bearing plate 12 in sliding slot 11, be provided with connecting plate 13 on bearing plate 12, be provided with electric push rod 14 on connecting plate 13, be provided with collection box 15 below rationing box 1;

[0021] Further, stock bin 3 is closed, stock bin 3 is connected with rationing box 1 through inlet pipe 2, and negative pressure device is arranged on inlet pipe 2;

[0022] Further, filter screen 4 is arranged on the opposite side of rationing box 1 in contact with inlet pipe 2, the aperture of filter screen 4 is smaller than the aperture of powder, material level sensor 5 is arranged on the inner wall of rationing box 1, and material level sensor 5 is connected with an external controller;

[0023] Further, two limit strips 6 are arranged on the upper end of rationing box 1, the two limit strips 6 are oppositely arranged, limit strip 6 is in semicircular type, is fixed on the inner wall of rationing box 1, push board 7 is arranged on limit strip 6, the size of push board 7 is same with the size of the inner wall of rationing box 1, connecting rod 8 is fixedly arranged on the upper end of push board 7, limit groove 9 is arranged on the top of rationing box 1, and connecting rod 8 passes through limit groove 9 and extends out of rationing box 1;

[0024] Further, two fixed blocks 10 are arranged on the outer wall in the lower end of rationing box 1, one electric push rod 14 is arranged on each of the two fixed blocks 10, the electric push rod 14 is connected with an external controller, the other end of electric push rod 14 is fixedly connected with connecting plate 13, connecting plate 13 is located on the outer side of rationing box 1, connecting plate 13 is fixedly connected with bearing plate 12, sliding slot 11 is located on the lower end of rationing box 1 and has an opening on the outer wall of rationing box 1, bearing plate 12 is located in sliding slot 11 and extends out of rationing box 1;

[0025] Further, rationing box 1 has a material collecting port on the bottom, which is located below bearing plate 12, and collection box 15 is arranged below the material collecting port. Example 2

[0026] In use, the negative pressure device on the inlet pipe 2 is started, so that the inlet pipe 2 is in a negative pressure state, the powder is fed from the silo 3 into the quantitative box 1 along the inlet pipe 2 and is accumulated on the bearing plate 12, the air entering the quantitative box 1 is discharged along the filter screen 4, the aperture of the filter screen 4 is smaller than the aperture of the powder, the powder is accumulated in the quantitative box 1, when the amount of the powder reaches the set amount, the material level sensor 5 senses the material level and transmits a signal to the controller, the negative pressure device is controlled to stop, the inlet pipe 2 stops feeding the powder from the silo 3 into the quantitative box 1, the electric push rod 14 is controlled to extend, the connecting plate 13 and the bearing plate 12 are driven to slide out along the chute 11, the powder on the bearing plate 12 is washed away from the material collecting port and falls into the collecting box 15, at the same time, the connecting rod 8 is pushed downward, the pushing plate 7 extrudes the limiting strip 6 to be deformed, the pushing plate 7 is beyond the semicircular limiting strip 6 to scrape the inner wall of the quantitative box 1 clean, the connecting rod 8 moves downward in the limiting groove 9 until the deepest position, and the quantitative taking of the powder is completed.

[0027] The basic principle and main features of the present application and the advantages of the present application are shown and described above. The components mentioned in the present application are common techniques in the prior art, which should be understood by the skilled in the art. The present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A negative pressure adsorption powder dosing mechanism, characterized in that, Including quantitative box, inlet pipe, stock bin, filter screen, material level sensor, limit strip, push plate, connecting rod, limit groove, fixed block, sliding slot, bearing plate, connecting plate, electric push rod, collection box, quantitative box is provided with inlet pipe, inlet pipe is connected with stock bin, quantitative box is provided with filter screen, quantitative box is provided with material level sensor, the upper end of quantitative box is provided with limit strip, the upper side of limit strip is provided with push plate, the push plate is provided with connecting rod, the connecting rod is located in limit groove, the lower side of quantitative box is provided with fixed block, the lower end of quantitative box is provided with sliding slot, the sliding slot is provided with bearing plate, the bearing plate is provided with connecting plate, the connecting plate is provided with electric push rod, the lower side of quantitative box is provided with collection box.

2. The negative pressure adsorption powder dosing mechanism according to claim 1, wherein The stock bin is closed, the stock bin is connected with the quantitative box through the inlet pipe, and the inlet pipe is provided with a negative pressure device.

3. The negative pressure adsorption powder dosing mechanism according to claim 1, wherein The opposite side of the quantitative box in contact with the inlet pipe is provided with a filter screen, the pore size of the filter screen is smaller than the pore size of the powder, the material level sensor is arranged on the inner wall of the quantitative box, and the material level sensor is connected with an external controller.

4. The negative pressure adsorption powder dosing mechanism according to claim 1, wherein The upper end of the quantitative box is provided with two limit strips, the two limit strips are oppositely arranged, the limit strips are semicircular and fixed on the inner wall of the quantitative box, the push plate is arranged on the limit strips, the size of the push plate is same with the size of the inner wall of the quantitative box, the upper end of the push plate is fixedly provided with a connecting rod, the top of the quantitative box is provided with a limit groove, and the connecting rod passes through the limit groove and extends out of the quantitative box.

5. The negative pressure adsorption powder dosing mechanism according to claim 1, wherein Two fixed blocks are arranged on the outer wall in the lower end of the quantitative box, one electric push rod is arranged on each of the two fixed blocks, the electric push rod is connected with an external controller, the other end of the electric push rod is fixedly connected with a connecting plate, the connecting plate is located outside the quantitative box, the connecting plate is fixedly connected with a bearing plate, the sliding slot is located at the lower end of the quantitative box and has an opening on the outer wall of the quantitative box, and the bearing plate is located in the sliding slot and extends out of the quantitative box.

6. The negative pressure adsorption powder dosing mechanism according to claim 1, wherein The quantitative box is provided with a collection port at the bottom, which is located below the bearing plate, and a collection box is arranged below the collection port.

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