Metal foreign matter removing device

Abstract

The utility model relates to the technical field of tobacco foreign matter removal, in particular to a metal foreign matter removal device which comprises an operation table and a detection unit. The operation table comprises a dumping panel and an adsorption panel, the dumping panel and the adsorption panel are obliquely arranged, baffles are arranged on the two sides of the dumping panel, the upper edge of the adsorption panel is connected with the lower edge of the dumping panel, and the adsorption panel is a magnetic plate; the detection unit comprises a magnetic induction coil, and the magnetic induction coil is arranged on the back face of the dumping panel. According to the utility model, the problem that metal foreign matters enter the production process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco foreign matter removal, in particular to a metal foreign matter removal device. Background Art

[0002] During the production process of tobacco, various impurities will be mixed into the tobacco slices, among which metal impurities are the most harmful to the shredder. In order to prevent metal debris from entering the shredder, a metal detector is installed on the conveyor belt or vibration trough before cutting. When it is detected that the material contains metal substances, the rejection baffle will be opened to reject the material. The rejected material enters the receiving box below through the conveying pipeline. In this process, the impurities are adsorbed with the help of the panel magnet installed at the rejection discharge port.

[0003] However, in this process, due to the fast falling speed of the materials and the insufficient adsorption capacity of the magnets, metal impurities often cannot be adsorbed or are scratched by the subsequent falling materials and enter the receiving box. The working reliability of the device is low, and most impurities need to be sorted manually. The manual sorting method is to throw the materials onto the surface of the magnet one by one, and then pick out the adsorbed metal. The process is time-consuming and prone to omissions. The missed materials will be repeatedly removed when they enter the production process again, which continuously increases the workload and increases the possibility of hard metal objects entering the wire cutter, increasing the risk of the wire cutter cutting the knife. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the embodiments of the utility model is to provide a metal foreign body removal device to solve the problem of metal foreign bodies entering the production process.

[0005] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0006] A metal foreign body removal device comprises: an operating table and a detection unit; the operating table comprises a tilting panel and an adsorption panel, the tilting panel and the adsorption panel are both arranged at an angle, baffles are arranged on both sides of the tilting panel, the upper edge of the adsorption panel is connected to the lower edge of the tilting panel, and the adsorption panel is a magnetic plate; the detection unit comprises a magnetic induction coil, and the magnetic induction coil is arranged on the back of the tilting panel.

[0007] Optionally, the operating table further comprises a supporting panel, the supporting panel is arranged horizontally, and the upper edge of the tilting panel is connected to the supporting panel.

[0008] Optionally, the width of the supporting panel is greater than the width of the adsorption panel, the tipping panel is trapezoidal, the upper edge of the tipping panel is equal to the width of the supporting panel, and the lower edge of the tipping panel is equal to the width of the adsorption panel.

[0009] Optionally, the inclination angle of the adsorption panel is greater than the inclination angle of the dumping panel.

[0010] Optionally, the baffles on both sides of the tipping panel form a predetermined angle with the tipping panel, and the distance between the baffles on both sides gradually decreases when viewed from a direction away from the tipping panel to a direction close to the tipping panel.

[0011] Optionally, the angle between the tilting panel and the supporting panel is 40° to 50°, and the angle between the baffle and the tilting panel is 45°.

[0012] Optionally, the adsorption panel is a sintered NdFeB high-strength magnet plate.

[0013] Optionally, three magnetic induction coils are arranged on the back of the tilting panel, and a line connecting the midpoints of the three magnetic induction coils forms an equilateral triangle.

[0014] Optionally, the detection unit also includes a junction box, which is arranged on the lower side of the supporting panel. A single-chip microcomputer control board and a buzzer are provided inside the junction box. The single-chip microcomputer control board is electrically connected to the magnetic induction coil, and a display panel and an alarm light are provided on the side panel of the junction box.

[0015] Optionally, it also includes a frame, which includes a rear frame, a middle frame and a front frame, the supporting panel is arranged on the rear frame, the tipping panel is arranged on the middle frame, and the adsorption panel is arranged on the front frame.

[0016] One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects or advantages:

[0017] The utility model of the offline material metal foreign body rejection device optimizes the existing sorting device structure, uses the inclined surface to dump the material, and improves the sorting efficiency; the magnetic adsorption panel effectively adsorbs the metal foreign body, and improves the reliability. A detection unit is added to detect the metal foreign body through the magnetic induction coil, which is used for data statistics on the one hand, and is checked with the metal foreign body adsorbed on the adsorption panel on the other hand, so as to improve the sorting accuracy.

[0018] Additional advantages of the present invention will be given in the following description, and some will become apparent from the following description or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0020] Figure 1 It is a three-dimensional diagram of a metal foreign body removal device provided by an embodiment of the utility model;

[0021] Figure 2 It is a side view of the metal foreign body removal device provided by the embodiment of the utility model;

[0022] Figure 3 It is a top view of the metal foreign body removal device provided by the embodiment of the utility model;

[0023] In the figure: 1, operating table; 11, supporting panel; 12, tilting panel; 13, baffle; 14, adsorption panel; 2, detection unit; 21, junction box; 22, magnetic induction coil; 3, frame; 31, rear bracket; 32, middle bracket; 33, front bracket;

[0024] In order to show the positions of various parts, the distances or sizes between them are exaggerated and the schematic diagram is for reference only. DETAILED DESCRIPTION

[0025] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0026] In order to solve the problems of low sorting accuracy and long sorting time in the material sorting process, an offline material metal foreign body detection and removal device is proposed, which can reduce the sorting time and improve the sorting efficiency. The device has the effects of high accuracy, easy operation and improved work efficiency.

[0027] like Figure 1 As shown, in one embodiment of the utility model, a metal foreign body removal device is proposed, comprising: an operating table 1 and a detection unit 2; the operating table 1 comprises a tilting panel 12 and an adsorption panel 14, and the tilting panel 12 and the adsorption panel 14 are both arranged tilted, as shown in FIG. Figure 2 As shown, baffles 13 are arranged on both sides of the tilting panel 12, the upper edge of the adsorption panel 14 is connected to the lower edge of the tilting panel 12, and the adsorption panel 14 is a magnetic plate; the detection unit 2 includes a magnetic induction coil 22, and the magnetic induction coil 22 is arranged on the back of the tilting panel 12.

[0028] The tilted pouring panel 12 allows the material to slide down, and the baffles 13 are fixed on both sides of the pouring panel 12 to allow the material to slide down along the pouring panel 12 to prevent it from scattering outside the device. When the material slides on the pouring panel 12, the magnetic induction coil 22 is used to detect and count the metal foreign matter in the material. The material sliding down from the pouring panel 12 slides toward the adsorption panel 14, and the magnetism of the adsorption panel 14 is used to adsorb the metal in the material and then remove it from the material.

[0029] The off-line material metal foreign body rejection device of the utility model optimizes the structure of the existing sorting device, and uses the inclined surface to dump the material, thereby improving the sorting efficiency; the magnetic adsorption panel 14 effectively adsorbs the metal foreign body, thereby improving the reliability. A detection unit 2 is added, and the metal foreign body detection is performed through the magnetic induction coil 22, which is used for data statistics on the one hand, and is checked with the metal foreign body adsorbed on the adsorption panel 14 on the other hand, thereby improving the sorting accuracy.

[0030] Furthermore, the top surface of the operating table 1 further includes a supporting panel 11, which is arranged horizontally, and the upper edge of the dumping panel 12 is connected to the supporting panel 11. The supporting panel 11 is 108.2 cm above the ground, which is close to the height of the human elbow joint, and is easy to operate. A card slot is provided on the edge of the supporting panel 11 to facilitate fixing the dumping box.

[0031] like Figure 3 As shown, the width of the supporting panel 11 is greater than the width of the adsorption panel 14, the dumping panel 12 is trapezoidal, the upper edge of the dumping panel 12 is equal to the width of the supporting panel 11, and the lower edge of the dumping panel 12 is equal to the width of the adsorption panel 14. At the same time, the baffles 13 on both sides of the dumping panel 12 are at a predetermined angle with the dumping panel 12, and the distance between the baffles 13 on both sides gradually decreases from the direction away from the dumping panel 12 to the direction close to the dumping panel 12, that is, along the direction perpendicular to the dumping panel 12, the upper openings of the two baffles 13 are large, and the lower openings are small. The dumping panel 12 and the baffles 13 are arranged in a trapezoidal closing shape, so that the material slides along the dumping panel 12 to prevent it from scattering outside the device, and the baffles 13 can be fixed to the dumping panel 124 with bolts.

[0032] The inclination angle of the adsorption panel 14 is greater than the inclination angle of the dumping panel 12. The angle between the dumping panel 12 and the supporting panel 11 is 40° to 50°. Preferably, the dumping panel 12 and the supporting panel 11 form an inclination angle of 45.6°, and the angle between the baffle 13 and the dumping panel 12 is 45°. The supporting panel 11 and the dumping panel 12 have an angle of 45.6° so that the material sliding speed is kept in an appropriate range, which is convenient for the detection unit 2 to detect.

[0033] The adsorption panel 14 is a sintered NdFeB high-strength magnet plate. That is, the adsorption panel 14 is made of a sintered NdFeB high-strength magnet with a magnetic attraction strength of ≥500 Gauss, which can effectively adsorb metal foreign matter. The tipping panel 12 is made of organic glass, and the baffles 13 on both sides of the tipping panel 12 are made of stainless steel.

[0034] like Figure 3 As shown, three magnetic induction coils 22 are arranged on the back of the tilting panel 12, and the midpoints of the three magnetic induction coils 22 are connected to form an equilateral triangle. The magnetic induction coils 22 are encapsulated by a protective shell and can be directly bonded to the back of the tilting panel 12, or fixed to the tilting panel 12 by organic glass clips. The two sides of the clips are processed with threaded bottom holes, which can make the magnetic induction coils 22 firmly fixed to the bottom of the tilting panel 12, and are easy to replace and repair. There are three magnetic induction coils 22 in total, and the midline points of the magnetic induction coils 22 are connected at an angle of 60° to each other, ensuring that the induction area covers the entire tilting panel 12.

[0035] Furthermore, the detection unit 2 further comprises a junction box 21, and the junction box 21 is arranged at the lower side of the supporting panel 11, such as Figure 1 , Figure 2 A single-chip control board and a buzzer are arranged inside the junction box 21, the single-chip control board is connected to the magnetic induction coil 22 through a sheath cable, and a display panel and an alarm light are arranged on the side panel of the junction box 21.

[0036] The junction box 21 is a rectangular parallelepiped, and a threaded bottom hole and two through holes are processed on its side panel, which is fixed to the bottom of the supporting panel 11 by bolts. One side panel of the junction box 21 is detachable, which is convenient for device replacement and maintenance. There is a single-chip control board and a buzzer inside the junction box 21, which can detect the signal transmitted by the magnetic induction coil 22 and issue an alarm. The side panel of the junction box 21 has a display panel and an alarm light, which is driven by the output signal of the single-chip microcomputer inside the junction box 21 to display the count and alarm indication.

[0037] The metal foreign body removal device also includes a frame 3 located at the lower side of the operating table 1, the frame 3 includes a rear bracket 31, a middle bracket 32 ​​and a front bracket 33, the supporting panel 11 is arranged on the rear bracket 31, the tipping panel 12 is arranged on the middle bracket 32, and the adsorption panel 14 is arranged on the front bracket 33. Specifically, the supporting panel 11 and the tipping panel 12 are fixed to the rear bracket 31 and the middle bracket 32 ​​by bolts, and the adsorption panel 14 has 8 threaded bottom holes around it, and is fixed to the front bracket 33 by countersunk screws.

[0038] The metal foreign body removing device of the utility model has a simple structure, is easy to manufacture and install, can be used in various silk-making off-line material sorting processes, and can improve material sorting accuracy and work efficiency.

[0039] C language programming is used to realize the effective access of the magnetic coil 22 signal. Through the rising edge and delay processing, the same metal impurity passes through the upper and lower magnetic coils 22 in a short time, and repeated counting will not occur, thereby ensuring the counting accuracy. The utility model designs the relevant circuit, adopts the ARDUINO single-chip microcomputer as the main control board, connects the electromagnetic coil voltage signal to the single-chip microcomputer digital input port, controls the liquid crystal digital display through the output pin for technical control, and outputs the alarm signal. The pin receives the analog signal; the voltage signal is obtained through the external electromagnetic coil, and is converted into an analog signal that can be recognized by the control board through the voltage divider circuit as the input signal of the electromagnetic coil; and the signal is displayed through a light-emitting diode; 12 pins are connected to form a standard 4-bit common cathode digital tube connection circuit, and 8 of the pins control the digital display, and 4 of the pins control the four-bit display. When the electromagnetic coil detects the presence of metal, a voltage signal is generated, which is input into the single-chip microcomputer after voltage division. The single-chip microcomputer counts the signal and displays the count value through the four-bit common cathode digital tube.

[0040] The use process of the above-mentioned metal foreign body removal device:

[0041] Turn on the power switch on the junction box 21, the display panel lights up, then place the receiving box containing the material on the supporting panel 11, and pour the material along the pouring panel 12. During the process, if metal impurities pass through the pouring panel 12, the magnetic field of the magnetic induction coil 22 changes, thereby triggering the control circuit voltage signal to change, generating an alarm and counting signal, and the display panel shows the number of impurities. At the same time, the alarm light lights up and the buzzer sounds. At this time, the material passes through the pouring panel 12 and slides down along the adsorption panel 14, and the foreign matter is adsorbed.

[0042] The metal foreign body removal device of the utility model has the following technical effects:

[0043] (1) The utility model can quickly dump the materials in the receiving box, thereby improving the sorting efficiency;

[0044] (2) The utility model adds a detection coil at the bottom of the dumping panel 12, which can accurately identify metal impurities in the material, realize sound and light alarm and impurity quantity statistics functions, and increase accuracy;

[0045] (3) The utility model uses strong magnetic materials to absorb metal impurities in the material, thereby increasing reliability.

[0046] Although the above describes the specific implementation methods of the utility model in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the utility model. Technical personnel in the relevant field should understand that on the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A metal foreign body removal device, characterized in that: include: Operation table and detection unit; The operating table includes a tilting panel and an adsorption panel, both of which are arranged tilted, baffles are provided on both sides of the tilting panel, the upper edge of the adsorption panel is connected to the lower edge of the tilting panel, and the adsorption panel is a magnetic plate; The detection unit includes a magnetic induction coil, and the magnetic induction coil is arranged on the back side of the tilting panel.

2. The metal foreign body removal device according to claim 1, characterized in that: The operating table also includes a supporting panel, which is arranged horizontally, and the upper edge of the tilting panel is connected to the supporting panel.

3. The metal foreign body removal device according to claim 2, characterized in that: The width of the supporting panel is greater than that of the adsorption panel. The tilting panel is trapezoidal, the upper edge of the tilting panel is equal to the width of the supporting panel, and the lower edge of the tilting panel is equal to the width of the adsorption panel.

4. The metal foreign body removal device according to claim 2, characterized in that: The inclination angle of the adsorption panel is greater than the inclination angle of the tilting panel.

5. The metal foreign body removal device according to claim 4, characterized in that: The baffles on both sides of the tilting panel form a predetermined angle with the tilting panel, and the distance between the baffles on both sides gradually decreases from the direction away from the tilting panel to the direction close to the tilting panel.

6. The metal foreign body removal device according to claim 5, characterized in that: The angle between the tilting panel and the supporting panel is 40° to 50°, and the angle between the baffle and the tilting panel is 45°.

7. The metal foreign body removal device according to claim 1, characterized in that: The adsorption panel is a sintered NdFeB high-strength magnet plate.

8. The metal foreign matter removal device according to claim 1, characterized in that: Three magnetic induction coils are arranged on the back of the tilting panel, and the midpoints of the three magnetic induction coils are connected to form an equilateral triangle.

9. The metal foreign matter removal device according to claim 2, characterized in that: The detection unit also includes a junction box, which is arranged on the lower side of the supporting panel. A single-chip control board and a buzzer are arranged inside the junction box. The single-chip control board is electrically connected to the magnetic induction coil, and a display panel and an alarm light are arranged on the side panel of the junction box.

10. The metal foreign matter removal device according to claim 2, characterized in that: It also includes a frame body, which includes a rear frame, a middle frame and a front frame. The supporting panel is arranged on the rear frame, the tipping panel is arranged on the middle frame, and the adsorption panel is arranged on the front frame.

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