Automatic weighing platform structure

Abstract

The utility model relates to the technical field of weighing devices, and discloses an automatic weighing platform structure, which comprises a hollow scale body for materials to pass through, two sides of the bottom of the hollow scale body are rotatably connected with two material turning plates, and when the two material turning plates relatively rotate to a horizontal state, one sides of the edges of the two material turning plates are contacted with each other; weighing sensors are symmetrically arranged on the two sides of the hollow scale body, each weighing sensor is provided with a mounting hole, and the mounting holes are used for providing supporting points for the hollow scale body. The problems that in the prior art, due to the fact that the mobility of materials is poor, the materials are prone to bridging in a stock bin, the discharging amount is difficult to control, and then the materials are blocked in the stock bin or a dust collection pipeline are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to weighing device technical field especially relates to a kind of automatic weighing scale platform structure. BACKGROUND

[0002] At present, many cigarette factories have begun to build cigarette production process loss early warning system. Cigarette production process loss is mainly the material loss of each screening vibration tank and winnowing station on production line, such as tobacco dregs, tobacco stem, etc. Currently, these materials are collected after being generated by each dust removal point and rejection point into centralized dust removal system, which cannot be monitored.

[0003] The automatic weighing of similar materials is generally realized by non-standard material bin scale, but due to the poor flowability of such materials, it is easy to form "bridge" in the material bin, and the discharge amount is difficult to control, which further causes the material to be blocked in the material bin or dust collection pipeline. INVENTION CONTENTS

[0004] Therefore, the utility model aims at providing an automatic weighing scale platform structure to solve the problem of poor flowability of materials, easy to form "bridge" in the material bin, difficult to control the discharge amount, and further cause the material to be blocked in the material bin or dust collection pipeline.

[0005] The utility model solves the above technical problem through the following technical means: an automatic weighing scale platform structure, comprising a hollow scale body for passing materials, two material flaps are rotatably connected to the bottom of the hollow scale body, and the edges of the two material flaps on one side are in contact when the two material flaps are rotated to a horizontal state.

[0006] The hollow scale body is symmetrically provided with a weighing sensor on both sides, and each weighing sensor is provided with a mounting hole for providing a support point for the hollow scale body.

[0007] Optionally, the bottom of the hollow scale body is symmetrically provided with a first shaft support and a second shaft support on both sides, a rotating shaft is rotatably connected between the first shaft support and the second shaft support, one side of the material flap is connected with the rotating shaft, the first shaft support is provided with a pneumatic motor, the output shaft of the pneumatic motor is connected with a coupling, and one end of the coupling is connected with the rotating shaft.

[0008] Optionally, the pneumatic motor is connected with a solenoid valve, the solenoid valve is electrically connected with a controller, and the controller is electrically connected with the weighing sensor. The weighing and the control action of the material flap driven by the pneumatic motor are linked to realize automatic weighing and material conveying, so as to realize the monitoring of the discharge amount of materials (i.e. the loss value of related materials).

[0009] Optionally, the controller is electrically connected with a memory. The memory is used to record the preset discharge material weight value.

[0010] Optionally, the cross section of the rotating shaft is rectangular, and the material turning plate is threadedly connected with the rotating shaft, so that the contact surface of the connection of the two is larger and more stable.

[0011] Optionally, the mounting hole comprises two through holes, so as to ensure the stability of the mounting hole.

[0012] The utility model discloses the beneficial effects of the following:

[0013] 1. The utility model discloses a hollow scale body is provided, the material turning plate is set up in the bottom of hollow scale body, and the structure of material turning plate makes the conveying mode of material different, and " bridge phenomenon " and the such as plugging do not appear. Meanwhile, cooperate the mounting hole of setting up on the weighing sensor and provide the only two support points of entire hollow scale body, monitor the weight change of entire hollow scale body and material, thereby realize the monitoring of discharging material, realize the monitoring of production process loss.

[0014] 2. The utility model discloses the material turning plate control action of weighing and air pressure motor drive realizes linkage, realizes automatic weighing and material conveying, thereby realizes the monitoring of material discharge capacity (i.e. the loss value of relevant material). BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the top view schematic diagram of Figure 1 ;

[0017] Figure 3 It is one kind of application schematic diagram of the utility model in the silo and dust collecting pipeline;

[0018] Figure 4 It is a sectional view schematic diagram of Figure 3 ;

[0019] Among them, 1-hollow scale body, 11-material turning plate, 12-weighing sensor, 121-mounting hole, 13-first axle stand, 131-air pressure motor, 132-coupling, 14-second axle stand, 15-rotating shaft, 2-silo, 3-dust collecting pipeline. DETAILED DESCRIPTION

[0020] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can understand the advantages and effects of this utility model from the content disclosed in this specification. It should be noted that the illustrations provided in the following embodiments are for illustrative purposes only and represent schematic diagrams, not actual pictures. They should not be construed as limiting the utility model. To better illustrate the embodiments of this utility model, some components in the figures may be omitted, enlarged, or reduced, and do not represent the actual product dimensions. It is understandable that some well-known structures and their descriptions may be omitted in the figures for those skilled in the art.

[0021] In the figures of this utility model embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper", "lower", "left", "right", "front", "rear", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figure, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe the positional relationship in the figure are only for illustrative purposes and should not be construed as limiting this utility model. For those skilled in the art, the specific meaning of the above-mentioned terms can be understood according to the specific circumstances.

[0022] like Figures 1-4 As shown, this utility model provides an automatic weighing platform structure that is applied between a silo and a dust collection pipe. It includes a hollow weighing body 1 for material to pass through. The hollow weighing body 1 has a rectangular cross-section. Two material flaps 11 are rotatably connected to the bottom two sides of the hollow weighing body 1. When the two material flaps 11 rotate relative to each other to a horizontal state, one edge of the two material flaps 11 contacts each other.

[0023] In this embodiment, load cells 12 are symmetrically arranged on both sides of the hollow weighing body 1. Each load cell 12 is provided with a mounting hole 121. The mounting hole 121 is used to provide a support point for the hollow weighing body 1. Specifically, the mounting hole 121 includes two through holes. The mounting hole 121 is connected to the inner wall of the silo by threads, so that the support structure including the hollow weighing body 1 is installed inside the silo, and at the same time plays the role of weighing and conveying materials.

[0024] In this embodiment, specifically, a first shaft frame 13 and a second shaft frame 14 are symmetrically arranged on both sides of the bottom of the hollow scale body 1. A rotating shaft 15 is rotatably connected between the first shaft frame 13 and the second shaft frame 14. One side of the material flip plate 11 is connected to the rotating shaft 15. A pneumatic motor 131 is provided on the first shaft frame 13. The output shaft of the pneumatic motor 131 is connected to a coupling 132. The coupling 132 is connected to one end of the rotating shaft 15.

[0025] In the embodiment, in order to ensure the automation of weighing, the pneumatic motor 131 is connected with an electromagnetic valve, the electromagnetic valve is electrically connected with a controller, the controller is electrically connected with the weighing sensor 12, and the controller is electrically connected with a memory. In use, a weight of discharged material can be preset in the memory, the controller controls the electromagnetic valve to be opened, the pneumatic motor 131 is pressed, the pneumatic motor 131 drives the rotating shaft 15 to the horizontal state through the coupling 132, the two material turning plates 11 are horizontally closed, the tare weight is recorded by the weighing sensor 12, at this time, the material can be quantitatively discharged onto the material turning plate 11, the material stays in the hollow scale body, when the weight change value recorded by the weighing sensor 12 is the same as the preset weight in the memory, the weighing sensor 12 sends a signal to the controller, the controller controls the electromagnetic valve to be closed, the pneumatic motor 131 is depressurized, the material turning plate 11 is turned downward to be opened, the material slides into the dust collecting pipeline, and thus the weighing and conveying of the discharged material are completed.

[0026] In the embodiment, the rotating shaft 15 is rectangular in cross section, the material turning plate 11 is threadedly connected with the rotating shaft 15, the contact surface of the two is large, and the connection is more stable; when the rotating shaft 15 drives the material turning plate 11 to rotate to the horizontal state, the material turning plate 11 has zero clearance with the bottom of the hollow scale body 1. It should be understood that, in order to ensure that the two material turning plates 11 are smoothly closed, the edges of the turning plates in contact with each other can be chamfered, and the edges of the turning plates in contact with each other after being closed can prevent material leakage.

[0027] The working principle of the utility model is as follows:

[0028] When the automatic weighing scale platform structure of the utility model is applied between a material bin and a dust collecting pipeline, Figure 3 、 Figure 4 the mounting hole 121 is threadedly connected to the inner wall of the material bin, the bearing platform structure including the hollow scale body 1 is installed in the material bin, in work, a weight of discharged material can be preset in the memory, the controller controls the electromagnetic valve to be opened, the pneumatic motor 131 is pressed, the pneumatic motor 131 drives the rotating shaft 15 to the horizontal state through the coupling 132, the two material turning plates 11 are horizontally closed, the tare weight is recorded by the weighing sensor 12, at this time, the material can be quantitatively discharged onto the material turning plate 11, the material stays in the hollow scale body, when the weight change value recorded by the weighing sensor 12 is the same as the preset weight in the memory, the weighing sensor 12 sends a signal to the controller, the controller controls the electromagnetic valve to be closed, the pneumatic motor 131 is depressurized, the material turning plate 11 is turned downward to be opened, the material slides into the dust collecting pipeline, and thus the weighing and conveying of the discharged material are completed.

[0029] In the process, by recording the preset weight value of the discharged material (such as tobacco tar and tobacco stem) and the number of times of sending the signal of closing the electromagnetic valve by the weighing sensor 12, the material loss value of the material at the dust removal point or the rejection point can be calculated, thereby realizing the overall control of the production material loss.

[0030] The above examples are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application. The technical, shape and structure parts not described in detail in the present application are all known technologies.

Claims

1. An automatic weighing platform structure, characterized by: Including hollow scale body (1) for material passes through, both sides of the bottom of the hollow scale body (1) are rotatably connected with two material turning plates (11), when two material turning plates (11) are relatively rotated to horizontal state, the edge side of two material turning plates (11) is in contact; Both sides of the hollow scale body (1) are symmetrically provided with weighing sensors (12), each weighing sensor (12) is provided with a mounting hole (121), the mounting hole (121) is used for providing a support point for the hollow scale body (1).

2. The automatic weighing platform structure according to claim 1, characterized in that: The bottom of the hollow scale body (1) is symmetrically provided with a first shaft support (13) and a second shaft support (14) on both sides, respectively, a rotating shaft (15) is rotatably connected between the first shaft support (13) and the second shaft support (14), one side of the material turning plate (11) is connected with the rotating shaft (15), the first shaft support (13) is provided with a pneumatic motor (131), the output shaft of the pneumatic motor (131) is connected with a shaft coupling (132), one end of the shaft coupling (132) is connected with the rotating shaft (15).

3. The automatic weighing platform structure according to claim 2, characterized in that: The pneumatic motor (131) is connected with a solenoid valve, the solenoid valve is electrically connected with a controller, and the controller is electrically connected with the weighing sensor (12).

4. The automatic weighing platform structure according to claim 3, characterized in that: The controller is electrically connected with a memory.

5. The automatic weighing platform structure according to claim 2, characterized in that: The cross section of the rotating shaft (15) is rectangular, and the material turning plate (11) is threadedly connected with the rotating shaft (15).

6. The automatic weighing platform structure according to claim 1, characterized in that: The mounting hole (121) includes two through holes.

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