Sound acquisition device for egg crack detection

Abstract

The utility model relates to a sound acquisition device for egg product crack detection, which comprises an egg product conveying line and a fixed bottom frame arranged on the upper side of the egg product conveying line, the fixed bottom frame is connected with a mounting frame capable of turning over up and down, and the mounting frame is provided with a plurality of groups of knocking acquisition assemblies. The knocking and collecting assembly comprises a groove box with a downward opening, a rotating shaft is arranged in the groove box, the axis direction of the rotating shaft is parallel to the conveying direction of egg products on the egg product conveying line, a plurality of sets of knocking mechanisms arranged in the axis direction of the rotating shaft are arranged below the rotating shaft, and the knocking mechanisms are controlled to swing up and down through stirring of the rotating shaft and pulling of springs; and a plurality of microphones are also arranged in the groove box. The sound acquisition device for egg product crack detection is novel in structure, reasonable in design, small in noise generated when parts are in contact, small in interference on egg product knocking sound, capable of reducing noise interference and improving detection accuracy, convenient to overhaul, convenient to use and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to egg product detection technical field, especially a sound collection device for egg product crack detection. BACKGROUND

[0002] Egg product crack detection is an extremely important link in the egg product processing process. The method of egg product crack acoustic detection is to knock the egg product surface and collect the sound signals generated by the knocked egg product. Because the stiffness and damping of the cracked egg and the intact egg are different, the sound signals generated after the eggshell is knocked are different, and whether the egg product has a crack is judged by processing and analyzing the sound signals.

[0003] At present, the egg product crack acoustic detection equipment generally uses the gain and loss of the electromagnetic coil to control the knocking mechanism to complete the swing action. Because the knocking mechanism produces a large noise when it contacts the electromagnetic coil, noise interference is caused, which affects the detection accuracy. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a sound collection device for egg product crack detection, which can reduce noise interference and improve detection accuracy.

[0005] The utility model adopts the following scheme: a sound collection device for egg product crack detection, which comprises an egg product conveying line and a fixed base frame installed on the upper side of the egg product conveying line, a mounting frame capable of being flipped up and down is connected to the fixed base frame, a plurality of knocking and collecting assemblies are arranged on the mounting frame, the knocking and collecting assembly comprises a groove box with an opening facing downward, an axis direction of a rotating shaft in the groove box is parallel to the conveying direction of the egg product on the egg product conveying line, a plurality of knocking mechanisms arranged along the axis direction of the rotating shaft are arranged below the rotating shaft, the knocking mechanism is controlled to swing up and down by the rotating shaft and a spring, and a plurality of microphones are arranged in the groove box.

[0006] Further, the knocking mechanism comprises a swing piece hinged to the side wall of the groove box, a knocking rod is connected to the swing piece, a knocking head is arranged at the end of the knocking rod, a driving part is arranged on the upper part of the swing piece, and a cam is arranged on the rotating shaft to drive the driving part to swing the swing piece upward.

[0007] Further, one end of the spring is connected to the swing piece, and the other end of the spring is connected to the side wall of the groove box to pull the swing piece downward.

[0008] Further, one end of the mounting frame is hinged to the fixed base frame, a limiting mechanism is arranged between the other end of the mounting frame and the mounting frame, and a first air supporting rod is connected between the mounting frame and the fixed base frame.

[0009] Further, the limiting mechanism comprises a limiting plate rotatably connected to the side of the mounting frame and capable of swinging up and down, a hook groove is arranged at the lower portion of the limiting plate, and a limiting pin is arranged on the fixed base and is in hooking and matching connection with the hook groove of the limiting plate.

[0010] Further, an installation plate is arranged above the mounting frame, and a control system is arranged on the lower side of the installation plate.

[0011] Further, a support frame is arranged on the upper side of each end of the mounting frame, one end of the installation plate is hingedly connected to the support frame at the corresponding end, the other end is placed on the support frame at the corresponding end, and a second gas supporting rod is connected between the mounting frame and the installation plate.

[0012] Further, two parallel rotating shafts and two rows of knocking mechanisms are arranged in the groove box, the microphone is located in the middle of the two rotating shafts and is staggered with the positions of the knocking mechanisms, the swinging members of the two rows of knocking mechanisms are respectively hingedly connected to the two side walls of the groove box and the knocking rods are oppositely directed, and the two rows of knocking mechanisms are arranged in an interlaced manner.

[0013] Further, gears are arranged at the ends of the two rotating shafts in the groove box.

[0014] Further, the egg conveying line comprises a conveying roller group for conveying the eggs in rows, the knocking and collecting assemblies are one-to-one corresponding to the conveying positions of the eggs in rows, all the knocking and collecting assemblies are driven to work by the same motor, the knocking and collecting assemblies corresponding to the conveying positions of the eggs in adjacent rows are arranged in a staggered manner and are connected through gear transmission.

[0015] Compared with the prior art, the sound collecting device for egg crack detection has the following beneficial effects: the sound collecting device for egg crack detection has a novel structure and is reasonable in design, the knocking mechanisms are swung up and down by rotating the rotating shafts and pulling the springs, the knocking action on the eggs is completed, the noise generated when the components contact is small, the interference on the knocking sound of the eggs is small, the noise interference can be reduced, the detection accuracy is improved, and the device is convenient to overhaul and is convenient and practical.

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail through specific embodiments and related drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective view of an embodiment of the utility model;

[0018] Figure 2 is a perspective view of the bottom structure of an embodiment of the utility model (only part of the knocking mechanisms are shown in the figure);

[0019] Figure 3 is a schematic view of an embodiment of the utility model in a lifted state of the mounting frame;

[0020] Figure 4 is a bottom structure schematic view of the knocking collection assembly in the embodiment of the utility model, (only two groups of knocking mechanism are shown in the figure);

[0021] Figure 5 is a knocking mechanism structure schematic view in the embodiment of the utility model;

[0022] Figure 6 is a limiting mechanism schematic view in the embodiment of the utility model;

[0023] Figure 7 is a transmission schematic view of the knocking collection assembly in the embodiment of the utility model;

[0024] Figure 8 is a working simple diagram in the embodiment of the utility model;

[0025] Figure label explanation: 100-egg conveying line, 200-fixed chassis, 210-limiting pin, 300-mounting frame, 310-limiting mechanism, 311-limiting plate, 312-hook groove, 313-handle, 320-first air supporting rod, 330-supporting frame, 400-knocking collection assembly, 410-slot box, 420-rotating shaft, 421-cam, 430-knocking mechanism, 431-swinging piece, 432-knocking rod, 433-knocking head, 434-pushing part, 440-spring, 450-microphone, 500-mounting plate, 510-second air supporting rod, 600-motor. DETAILED DESCRIPTION

[0026] It should be noted that the following detailed description is exemplary and is intended to provide further description of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0027] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0028] As Figures 1-8As shown, a sound collecting device for egg crack detection, comprising an egg conveying line 100 and a fixed chassis 200 installed on the upper side of the egg conveying line, a mounting frame 300 capable of being flipped up and down is connected to the fixed chassis 200, a plurality of knocking collecting assemblies 400 are arranged on the mounting frame, the knocking collecting assembly 400 comprises a groove box 410 with an opening downward, a rotating shaft 420 with an axis direction parallel to the conveying direction of the eggs on the egg conveying line is arranged in the groove box, a plurality of knocking mechanisms 430 arranged along the axis direction of the rotating shaft are arranged below the rotating shaft, the knocking mechanisms are controlled to swing up and down by the rotating shaft and the spring 440; a plurality of microphones 450 are arranged in the groove box. The sound collecting device for egg crack detection changes the traditional knocking driving mode, the swinging up and down of the knocking mechanism is realized by the rotating shaft and the spring, the knocking action on the eggs is completed, the noise generated when the components contact is small, the interference of the knocking sound on the eggs is small, and the detection accuracy is improved; the sound generated by the knocking is collected by the microphone, the existence of the cracks of the eggs is judged after the recognition and processing of the control system, and the microphone is arranged in the groove box, so that the external noise interference is avoided.

[0029] In the embodiment, the knocking mechanism 430 comprises a swinging piece 431 hinged to the side wall of the groove box, a knocking rod 432 is connected to the swinging piece, a knocking head 433 is arranged at the end of the knocking rod, and the knocking head is made of plastic material; a driving part 434 is arranged at the upper part of the swinging piece, and a cam 421 is arranged on the rotating shaft 420 to drive the driving part to swing the swinging piece upward.

[0030] In the embodiment, one end of the spring 440 is connected to the swinging piece, and the other end is connected to the side wall of the groove box to pull the swinging piece downward. The spring pulls the swinging frame downward to make the knocking rod complete the knocking action, and when the rotating shaft rotates, the driving part 434 of the swinging piece is pushed by the cam to make the swinging frame swing upward to complete the lifting action of the knocking rod. Since the downward swinging is completed by the spring, the buffer effect is achieved, and different sizes of eggs can be adapted.

[0031] In the embodiment, one end of the mounting frame is hinged to the fixed chassis, and the other end is provided with a limiting mechanism 310 between the mounting frame; a first gas strut 320 is connected between the mounting frame and the fixed chassis. When the knocking collecting assembly 400 needs to be overhauled, the mounting frame can be lifted, and the mounting frame is lifted by the first gas strut 320, so that the overhauling is facilitated.

[0032] In the embodiment, the limiting mechanism 310 comprises a limiting plate 311 rotatably connected to the side of the mounting rack and capable of swinging up and down, the lower part of the limiting plate is provided with a hook groove 312, and a handle 313 is fixedly connected to the upper part of the limiting plate. The fixed base 200 is provided with a limiting pin 210 which is hooked and matched with the hook groove of the limiting plate. When the mounting rack is in the working position, the hook groove 312 of the limiting plate 311 hooks the limiting pin 210, and when the mounting rack needs to be lifted, the hook groove is disengaged from the limiting pin 210 by rotating the handle.

[0033] In the embodiment, the mounting rack 300 is provided with a mounting plate 500 above, and a control system (not shown in the figure) is mounted on the lower side of the mounting plate, which comprises a computer host, a servo controller, a PLC, an air switch and other components. The specific sound processing and analysis process and the control system belong to the prior art, which will not be described in detail here.

[0034] In the embodiment, the upper side of the mounting rack 300 is provided with a support frame 330 at both ends, one end of the mounting plate 500 is hinged to the support frame at the corresponding end, the other end is placed on the support frame at the corresponding end, and a second air supporting rod 510 is connected between the mounting rack and the mounting plate. When the control system needs to be repaired, the mounting plate can be lifted, and the mounting rack is lifted by the second air supporting rod 510, which is convenient for repair.

[0035] In the embodiment, the groove box 410 is provided with two parallel rotating shafts and two rows of knocking mechanisms, the microphone is located between the two rotating shafts and is staggered with the position of the knocking mechanism, the swinging members of the two rows of knocking mechanisms are respectively hinged to the two side walls of the groove box and the directions of the knocking rods are opposite, and the two rows of knocking mechanisms are arranged in a staggered manner. The knocking rods of the two rows of knocking mechanisms form a cross state so as to knock the two ends of the egg product respectively.

[0036] In the embodiment, the ends of the two rotating shafts in the groove box are provided with meshing gears. The two gears are of the same specification, which ensures that the two rotating shafts rotate at the same speed.

[0037] In the embodiment, the egg product conveying line 100 comprises a conveying roller group for conveying the egg products in rows, the knocking and collecting assemblies are one-to-one corresponding to the conveying positions of the egg products in each row, all the knocking and collecting assemblies are driven to work by the same motor, the knocking and collecting assemblies corresponding to the conveying positions of the adjacent two rows of egg products are arranged in a staggered manner and are connected through gear transmission, and the specific transmission mode is shown in the figure. Figure 7 The conveying roller group for conveying the egg products belongs to the prior art, which will not be described in detail here, mainly comprising roller shafts arranged at intervals, a plurality of rollers arranged at intervals on the roller shafts, limiting grooves arranged on the rollers, and egg limiting areas formed between the rollers of the adjacent two roller shafts. The ends of the roller shafts are meshed with the racks on both sides of the egg product conveying line through gears, so that the roller shafts can rotate and drive the egg products to rotate.

[0038] If the above-mentioned utility model discloses any one of the technical solutions and does not declare otherwise, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that the preferred numerical range is only one of the many implementable values with more obvious technical effects or representative values.

[0039] If the above-mentioned utility model discloses or involves mutually fixed connecting parts or structural parts, then, except for another declaration, the fixed connection can be understood as: detachable fixed connection (for example, using bolt or screw connection), and can also be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutually fixed connection can also be replaced by an integral structure (for example, integrally formed by using casting process) (except for obviously unable to use integral forming process).

[0040] In addition, the terms used to represent the position relationship or shape in any one of the above-mentioned utility model disclosed technical solutions include the approximate, similar or close state or shape, except for another declaration.

[0041] Any component provided by the above-mentioned utility model can be assembled from a plurality of individual components, or can be an individual component manufactured by an integral forming process.

[0042] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms, and any person skilled in the art can change or modify the above- disclosed technical content into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification of the above-mentioned embodiments without departing from the technical solution content of the utility model, according to the technical essence of the utility model, still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A sound acquisition device for egg crack detection, characterized by: The utility model provides an egg product conveying line and a fixed chassis installed on the upper side of the egg product conveying line, the fixed chassis is connected with an installation frame capable of turning up and down, a plurality of sets of knocking collection components are arranged on the installation frame, the knocking collection component comprises a groove box with an opening downward, an axis direction of the groove box is parallel to the conveying direction of the egg product on the egg product conveying line, a plurality of sets of knocking mechanisms are arranged along the axis direction of the rotating shaft below the rotating shaft, the knocking mechanism is controlled to swing up and down by the rotating shaft and the spring, the knocking mechanism comprises a swing piece hinged to the side wall of the groove box, the swing piece is connected with a knocking rod, a knocking head is arranged at the end of the knocking rod, a driving part is arranged on the upper part of the swing piece, a cam is arranged on the rotating shaft to drive the driving part to swing the swing piece upward, a plurality of microphones are arranged in the groove box, a limiting mechanism is arranged between the other end of the installation frame and the installation frame, a first air supporting rod is connected between the installation frame and the fixed chassis, the limiting mechanism comprises a limiting plate rotatably connected to the side of the installation frame and capable of swinging up and down, a hook groove is arranged on the lower part of the limiting plate, a limiting pin is arranged on the fixed chassis to be hooked with the hook groove of the limiting plate.

2. The sound acquisition device for egg crack detection according to claim 1, characterized in that: One end of the spring is connected to the swing piece, and the other end is connected to the side wall of the groove box to pull the swing piece down.

3. The sound acquisition apparatus for egg crack detection according to claim 1, characterized in that: An installation plate is arranged above the installation frame, and a control system is arranged on the lower side of the installation plate.

4. The sound acquisition apparatus for egg crack detection according to claim 3, characterized in that: Support frames are arranged on the upper sides of the two ends of the installation frame, one end of the installation plate is hinged to the support frame of the corresponding end, the other end is placed on the support frame of the corresponding end, and a second air supporting rod is connected between the installation frame and the installation plate.

5. The sound acquisition apparatus for egg crack detection according to claim 1, wherein: Two parallel rotating shafts and two rows of knocking mechanisms are arranged in the groove box, the microphones are located between the two rotating shafts and are staggered with the positions of the knocking mechanisms, the swing pieces of the two rows of knocking mechanisms are hinged to the two side walls of the groove box, and the directions of the knocking rods are opposite, and the two rows of knocking mechanisms are arranged in a staggered manner.

6. The sound acquisition device for egg crack detection according to claim 5, characterized in that: The end parts of the two rotating shafts in the groove box are provided with meshed gears.

7. The sound acquisition apparatus for egg crack detection according to claim 1, wherein: The egg product conveying line comprises conveying roller groups for conveying the egg products in rows, the knocking collection components are one-to-one corresponding to the conveying positions of the egg products in rows, all the knocking collection components are driven to work by the same motor, the knocking collection components corresponding to the conveying positions of the egg products in adjacent rows are arranged in a staggered manner and are connected by gear transmission.

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