CN112881414B - Powder impurity particle detector - Google Patents

Abstract

A powder impurity particle detector includes a detection device and a control device; the detection device includes a camera, a rotating device and a column, the camera includes a first shell, a color camera is fixedly provided in the first shell; the rotating device includes a second shell, a first mounting seat is provided inside the second shell, a motor is fixedly provided on the first mounting seat, the first mounting seat is rotatably connected to the column, and the motor is connected to the column through a transmission device; the control device is connected to the color camera and the motor. This powder impurity particle detector can detect defects, impurities and color differences of powder particles. Compared with the manual detection method with the naked eye, it is not only more accurate, but also more efficient; the rotating device can make the entire detection device rotate around the column to make room for automatic feeding mechanisms such as manipulators, so that the automatic feeding mechanism can feed the feeding hopper of the feeding mechanism of the device by grabbing the powder box.

Description

A powder impurity particle detector

Technical Field

The invention belongs to the technical field of powder impurity detection devices, and in particular relates to a powder impurity particle detector.

Background Art

Powder is the main raw material for industrial plastic molding. If the amount of other impurity particles contained in the powder is too large, the quality of the plastic molded product will be greatly reduced. Therefore, under normal circumstances, it is necessary to detect the number of impurity particles contained in the unit area of the powder. In the prior art, raw material manufacturers all adopt the method of manual on-site sampling and testing. Generally, after taking the material from the material taking port for about 30 minutes, it is sent to the laboratory to detect the impurity content by naked eye. However, many plastic raw materials are mostly powdered with extremely small particle size, and the manual detection error is large. Not only is the detection efficiency low, but it is also easy to cause visual fatigue.

Summary of the invention

The purpose of the present invention is to provide a powder impurity particle detector to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a powder impurity particle detector, including a detection device and a control device;

The detection device includes a photographing device, a rotating device and a column. The photographing device includes a first shell. A color camera is fixedly arranged in the first shell. The lens of the color camera faces downward. An opening is arranged at the bottom of the first shell. A ring-shaped light source is arranged around the opening.

The rotating device comprises a second shell, the second shell is fixedly connected to the back of the first shell, a first mounting seat is provided inside the second shell, a motor is fixedly provided on the first mounting seat, a side of the first mounting seat is fixedly connected to the first shell, the first mounting seat is rotatably connected to the column, and the motor is connected to the column via a transmission device;

The control device is connected with the color camera and the motor.

On the basis of the above scheme and as a preferred scheme of the above scheme, a heat dissipation fan is provided in the first shell, and the heat dissipation fan is located above the color camera. A heat dissipation port is provided on the top of the first shell, and a dust filter is installed on the heat dissipation port. A light-transmitting glass is provided at the bottom opening of the first shell, and the annular light source is located above the light-transmitting glass.

On the basis of the above scheme and as a preferred scheme of the above scheme, a vent is provided on the first shell, the vent is located on a side surface adjacent to the first shell and the second shell, and an air inlet is provided on the second shell.

On the basis of the above solution and as a preferred solution of the above solution, the top of the column protrudes from the first mounting seat, and the column is a hollow structure with openings at both ends.

On the basis of the above scheme and as a preferred scheme of the above scheme, the transmission device includes a pulley and a belt, and a pulley is fixedly provided on the motor and the column respectively, and the two pulleys are connected by a belt.

On the basis of the above scheme and as a preferred scheme of the above scheme, a second mounting seat is provided at the bottom of the second shell, the second mounting seat is rotatably connected to the column, and a locking handle is provided on the second mounting seat. The locking handle passes through the second shell, and when the locking handle is locked, the locking handle and the column interfere with each other.

On the basis of the above solution and as a preferred solution of the above solution, a debugging port is provided on the front side of the first shell, and a sealing cover is installed on the debugging port.

On the basis of the above scheme and as a preferred scheme of the above scheme, it also includes a feeding device, the feeding device includes a vibrating device, a feeding plate and a feeding hopper, the feeding plate is arranged above the vibrating device, a flow channel is arranged in the feeding plate, one end of the flow channel is connected to the feeding hopper, the other end of the flow channel is connected to the material receiving device, the flow channel is provided with a detection port connected thereto, and the detection port is located directly below the lens;

The material receiving device includes a slide plate, a screen and a material receiving box. The slide plate is arranged obliquely. The upper part of the slide plate is arranged at the material outlet of the flow channel. The screen is arranged below the outlet of the slide plate. The screen is connected to the vibration device, and the material receiving box is arranged directly below the screen.

On the basis of the above scheme and as a preferred scheme of the above scheme, a clamping plate is provided between the feed plate and the vibration device, and a background plate and a glass bottom plate are provided on the clamping plate. The background plate is located below the glass bottom plate, the flow channel is located on the glass bottom plate, and the background plate is located directly below the detection port. The color of the glass bottom plate is transparent, and the color of the background plate is white.

Furthermore, two side surfaces of the detection port are provided with slopes with equal inclination angles, a gate is provided on the flow channel, and a gate is provided on the gate.

The beneficial effects of the present invention are as follows: the powder impurity particle detector can detect defects, impurities and color differences of powder particles, and is not only more accurate but also more efficient than manual detection with the naked eye; the rotating device can cause the entire detection device to rotate around the column, making room for automatic feeding mechanisms such as manipulators, making it convenient for the automatic feeding mechanism to feed the feeding hopper of the feeding mechanism of the equipment by grabbing the powder box; the provision of a feeding device can enable the detection device to more conveniently and accurately detect the number of impurity particles in the powder.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

FIG1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of a detection device.

FIG3 is a cross-sectional view of the detection device.

FIG. 4 is a schematic structural diagram of a feeding device.

FIG5 is a cross-sectional view of the feeding device.

FIG. 6 is a partial enlarged view of point A in FIG. 5 .

FIG. 7 is a schematic structural diagram of a feed plate.

The reference numerals are as follows:

1. Detection device;

11. Photo device; 111. First housing; 1111. Ventilation port; 1112. Debug port; 112. Color camera; 113. Light source; 114. Translucent glass; 115. Cooling fan; 116. Dust filter; 117. Cover;

12. Rotating device; 121. Second housing; 122. First mounting seat; 123. Motor; 124. Transmission device; 1241. Pulley; 1242. Belt; 125. Second mounting seat; 126. Locking handle;

13. Pillar;

2. Feeding device; 21. Vibrating device; 22. Clamping plate; 23. Feeding plate; 231. Flow channel; 232. Detection port; 233. Gate; 234. Slope; 24. Feeding hopper; 25. Receiving device; 251. Slide plate; 252. Screen; 253. Receiving box; 26. Gate; 27. Background plate; 28. Glass bottom plate;

3. Control device;

4. Computer components.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "front", "back", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

As shown in Figures 1 to 7, a powder impurity particle detector includes a detection device 1 and a control device 3;

The detection device 1 includes a photographing device 11, a rotating device 12 and a column 13. The photographing device 11 includes a first shell 111. A color camera 112 is fixedly arranged in the first shell 111. The lens of the color camera 112 faces downward. An opening is arranged at the bottom of the first shell 111. A ring-shaped light source 113 is arranged around the opening.

The rotating device 12 includes a second shell 121, the second shell 121 is fixedly connected to the back of the first shell 111, a first mounting seat 122 is provided inside the second shell 121, a motor 123 is fixedly provided on the first mounting seat 122, a side of the first mounting seat 122 is fixedly connected to the first shell 111, the first mounting seat 122 is rotatably connected to the column 13, and the motor 123 is connected to the column 13 via a transmission device 124;

The control device 3 is connected to the color camera 112 and the motor 123 .

During the inspection, the powder is placed at the bottom opening of the first shell, and the color camera will scan the powder at the opening, and transmit the scanned image to the control device, which is equipped with analysis software, which can detect defects, impurities and color differences in the powder particles. This powder impurity particle detector can detect defects, impurities and color differences in powder particles. Compared with the manual inspection method with the naked eye, it is not only more accurate, but also more efficient; the rotating device can make the entire inspection device rotate around the column to make room for automatic feeding mechanisms such as manipulators, so that the automatic feeding mechanism can grab the powder box to feed the feeding hopper of the feeding mechanism of the device.

A heat dissipation fan 115 is provided in the first shell 111, and the heat dissipation fan 115 is located above the color camera 112. A heat dissipation port is provided on the top of the first shell 111, and a dust filter 116 is installed on the heat dissipation port. The color camera and the ring light source will generate a lot of heat during long-term operation, and the heat inside the first shell can be quickly dissipated through the heat dissipation fan.

A light-transmitting glass 114 is provided at the bottom opening of the first shell 111 , and the annular light source 113 is located above the light-transmitting glass 114 . The light-transmitting glass can prevent powder from entering the interior of the first shell.

The first shell 111 is provided with a vent 1111, and the vent 1111 is located on a side surface adjacent to the first shell 111 and the second shell 121. The second shell 121 is provided with an air inlet, and the vent connects the first shell and the second shell. After the external air enters the second shell through the air inlet, it enters the first shell from the vent, so as to facilitate air flow inside the first shell and the second shell.

The top of the column 13 protrudes from the first mounting seat 122. The column 13 is a hollow structure with openings at both ends. The wires of the color camera, motor, ring light source and heat dissipation fan can pass through the column and connect to the control device, which is convenient for internal wiring of the first shell and the second shell.

The transmission device 124 includes a pulley 1241 and a belt 1242. A pulley 1241 is fixedly provided on the motor 123 and the column 13, respectively, and the two pulleys 1241 are connected by a belt 1242. The motor can rotate the entire detection device around the column through the pulley and the belt.

A second mounting seat 125 is provided at the bottom of the second housing 121. The second mounting seat 125 is rotatably connected to the column 13. A locking handle 126 is provided on the second mounting seat 125. The locking handle 126 passes through the second housing 121. When the locking handle 126 is locked, the locking handle 126 and the column 13 contact each other. When the detection device needs to be temporarily stopped from rotating, it only needs to press the locking handle.

A debugging port 1112 is provided on the front of the first shell 111 , and a cover 117 is installed on the debugging port 1112 . The detection device needs to be positioned before use, and opening the cover facilitates adjustment of the positions of the camera and the annular light source.

The material feeding device 2 is also included. The material feeding device 2 includes a vibration device 21, a feeding plate 23 and a feeding hopper 24. The feeding plate 23 is arranged above the vibration device 21. A flow channel 231 is arranged in the feeding plate 23. One end of the flow channel 231 is connected to the feeding hopper 24. The other end of the flow channel 231 is connected to the material receiving device 25. The flow channel 231 is provided with a detection port 232 connected thereto. The detection port 232 is located directly below the lens.

When in use, the powder can be placed in the feed hopper. Due to the vibration of the vibration device, the powder will enter the flow channel from the feed hopper, and the powder can be evenly spread in a single layer in the flow channel, making impurities easy to distinguish. When it flows to the position of the detection port, the detection device can detect it. After the detection, it continues to move forward until it moves into the material receiving device.

The material receiving device 25 includes a slide plate 251, a screen 252 and a material receiving box 253. The slide plate 251 is arranged obliquely. The upper part of the slide plate 251 is arranged at the material outlet of the flow channel 231. The screen 252 is arranged below the outlet of the slide plate 251. The screen 252 is connected to the vibration device 21. The material receiving box 253 is arranged directly below the screen 252. The powder is introduced onto the screen by the slide plate to prevent the powder from falling directly and flying; the screen is arranged above the material receiving box to further buffer the powder from falling directly into the material receiving box; the screen is connected to the vibration device to prevent the powder from blocking the mesh of the screen, so that the powder can fall into the material receiving box easily.

A clamping plate 22 is provided between the feed plate 23 and the vibration device 21, and a background plate 27 and a glass bottom plate 28 are provided on the clamping plate 22. The background plate 27 is located below the glass bottom plate 28, and the flow channel 231 is located on the glass bottom plate 28. The background plate 27 is located directly below the detection port 232. The color of the glass bottom plate 28 is transparent, and the color of the background plate 27 is white.

The glass bottom plate is relatively smooth, which facilitates the powder to flow in the flow channel and prevents the powder from being retained and sticking on the surface of the flow channel; the background plate helps the color camera to scan the powder, which is conducive to distinguishing impurities from the powder and performing color resolution.

The two side surfaces of the detection port 232 are provided with slopes 234 with equal inclination angles. The slopes can not only increase the viewing angle of light detection, but also make the light more fully gathered at the detection port through reflection.

The flow channel 231 is provided with a gate 233 , and the gate 233 is provided with a gate 26 . The gate is arranged upstream of the detection port, and the gate can control the flow rate of the powder in the flow channel.

The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a powder impurity particle detector which characterized in that: comprises a detection device (1) and a control device (3);

The detection device (1) comprises a photographing device (11), a rotating device (12) and an upright post (13), wherein the photographing device (11) comprises a first shell (111), a color camera (112) is fixedly arranged in the first shell (111), a lens of the color camera (112) faces downwards, an opening is formed in the bottom of the first shell (111), and an annular light source (113) is arranged around the opening; the rotating device (12) comprises a second shell (121), the second shell (121) is fixedly connected with the back of the first shell (111), a first mounting seat (122) is arranged in the second shell (121), a motor (123) is fixedly arranged on the first mounting seat (122), the side face of the first mounting seat (122) is fixedly connected with the first shell (111), the first mounting seat (122) is rotationally connected with the upright post (13), and the motor (123) is connected with the upright post (13) through a transmission device (124); the control device (3) is connected with the color camera (112) and the motor (123); the feeding device (2) comprises a vibrating device (21), a feeding plate (23) and a feeding hopper (24), wherein the feeding plate (23) is arranged above the vibrating device (21), a flow channel (231) is arranged in the feeding plate (23), one end of the flow channel (231) is connected with the feeding hopper (24), the other end of the flow channel (231) is connected with a receiving device (25), a detection port (232) communicated with the flow channel (231) is formed in the flow channel (231), and the detection port (232) is located under a lens; the material receiving device (25) comprises a sliding plate (251), a screen (252) and a material receiving box (253), wherein the sliding plate (251) is obliquely arranged, the upper part of the sliding plate (251) is arranged at the discharge hole of the runner (231), the screen (252) is arranged below the outlet of the sliding plate (251), the screen (252) is connected with the vibration device (21), and the material receiving box (253) is arranged below the screen (252); the two side surfaces of the detection port (232) are provided with slopes (234) with equal inclination angles, the flow channel (231) is provided with a gate (233), and the gate (233) is provided with a gate (26).

2. A powder impurity particle detector as defined in claim 1, wherein: be equipped with radiator fan (115) in first casing (111), radiator fan (115) are located color camera (112) top, the top of first casing (111) is equipped with the thermovent, install dustproof filter screen (116) on the thermovent, the bottom opening part of first casing (111) is equipped with printing opacity glass (114), annular light source (113) are located printing opacity glass (114) top.

3. A powder impurity particle detector as defined in claim 1, wherein: the first shell (111) is provided with a vent (1111), the vent (1111) is positioned on one side surface of the first shell (111) adjacent to the second shell (121), and the second shell (121) is provided with an air inlet.

4. A powder impurity particle detector as defined in claim 3, wherein: the top of stand (13) protrusion is in first mount pad (122), stand (13) are both ends open-ended hollow structure.

5. A powder impurity particle detector as defined in claim 1, wherein: the transmission device (124) comprises a belt pulley (1241) and a belt (1242), the motor (123) and the upright post (13) are respectively fixedly provided with the belt pulley (1241), and the two belt pulleys (1241) are connected through the belt (1242).

6. A powder impurity particle detector as defined in claim 1, wherein: the bottom of second casing (121) is equipped with second mount pad (125), second mount pad (125) are connected with stand (13) rotation, be equipped with locking handle (126) on second mount pad (125), locking handle (126) pass in second casing (121), when locking handle (126) lock, locking handle (126) are contradicted each other with stand (13).

7. A powder impurity particle detector as defined in claim 1, wherein: the front of the first shell (111) is provided with a debugging port (1112), and the debugging port (1112) is provided with a sealing cover (117).

8. A powder impurity particle detector as defined in claim 1, wherein: be equipped with splint (22) between feed plate (23) and vibrating device (21), be equipped with background board (27) and glass bottom plate (28) on splint (22), background board (27) are located glass bottom plate (28) below, runner (231) are located glass bottom plate (28), background board (27) are located under detection mouth (232), the colour of glass bottom plate (28) is transparent, the colour of background board (27) is white.