A metal blank surface defect online detection and grinding device and grinding method

Abstract

The present invention relates to an online detection and grinding device for metal blank surface defects and a grinding method, the device comprises a loading platform, a discharging platform, a grinding machine and a grinding trolley (1), a defect recognition system (2) is arranged on one side of the grinding trolley (1), the defect detection system (2) comprises a mounting bracket (21), the mounting bracket (21) comprises a column (211), a rotating shaft (212) is arranged on the top of the column (211), a rotating arm (213) is arranged on the rotating shaft (212), a sleeve (214) is arranged at one end of the rotating arm (213), the sleeve (214) is sleeved on the rotating shaft (212), and an industrial camera (22) is arranged at the other end of the rotating arm (213). The present invention can automatically identify defects on four surfaces of the blank, cooperate with the turning mechanism of the grinding trolley, and complete the automatic grinding of the four surfaces of the blank, greatly improve the grinding safety, reduce metal waste, and improve work efficiency.

Description

Technical Field

[0001] The invention relates to an online detection and grinding device for metal blank surface defects and a grinding method, belonging to the metal field of metallurgical equipment. Background Art

[0002] In order to meet the production requirements of the subsequent process and increase the yield rate of the subsequent process, the long billet rolled out by the steel mill needs to be ground to remove the defects and segregation layer on the billet surface.

[0003] Existing equipment technology uses manual marking of defects in the grinding area for grinding, or directly uses indifferent surface overall grinding. The former has a greater risk in the working area, and the latter causes serious waste of materials. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an online detection and grinding device and a grinding method for metal billet surface defects in response to the above-mentioned prior art. The device can automatically identify defects on the four surfaces of the billet, and cooperate with the flipping mechanism of the grinding trolley to complete the automatic grinding of the four surfaces of the billet, thereby greatly improving the grinding safety, reducing metal waste, and improving work efficiency.

[0005] The technical solution adopted by the present invention to solve the above-mentioned problem is: an online detection and grinding device for surface defects of metal billets, which includes a loading platform, an unloading platform, a grinding machine and a grinding trolley. A defect recognition system is arranged on one side of the grinding trolley, and the defect recognition system includes a mounting bracket. The mounting bracket includes a column, a rotating shaft is arranged on the top of the column, a rotating arm is arranged on the rotating shaft, a sleeve is arranged at one end of the rotating arm, the sleeve is sleeved on the rotating shaft, and an industrial camera is arranged at the other end of the rotating arm.

[0006] Preferably, a protective cover is provided on the outside of the industrial camera.

[0007] Preferably, an air knife is provided on one side of the protective cover.

[0008] Preferably, a light source bracket is provided on the rotating arm, the light source bracket is located inside the industrial camera, and a light source is provided on the light source bracket.

[0009] Preferably, the grinding trolley includes a base, on which are arranged two left and right guide rails, on which is arranged a vehicle body, on which are arranged two left and right groups of rollers at the bottom of the vehicle body, on which are arranged two left and right groups of rollers respectively on the left and right guide rails, and on which is arranged a clamping mechanism and a material turning mechanism.

[0010] Preferably, the clamping mechanism includes a clamping base, a V-shaped material trough is provided on the clamping base, a limit stop block is provided on one side of the top of the V-shaped material trough, a clamping arm is hingedly provided on the clamping base, the clamping arm is located on the other side of the V-shaped material trough, a clamping cylinder is provided on one side of the clamping arm, the piston rod end of the clamping cylinder is hinged to the middle part of the clamping arm, and a chuck is provided on the upper end of the clamping arm.

[0011] Preferably, the material turning mechanism includes a material turning base, a material turning shaft is arranged above the material turning base, a material turning arm is arranged on the material turning shaft, a material turning cylinder is arranged below the material turning arm, and the piston tube end of the material turning cylinder is connected to the middle part of the material turning arm.

[0012] Preferably, a bearing seat is provided on the clamping base, and the material turning shaft is installed between two adjacent bearing seats.

[0013] A method for online detection and grinding of metal blank surface defects, the method comprising the following steps:

[0014] The loading platform transports the blank to be inspected to the grinding trolley, the clamping mechanism of the grinding trolley clamps the blank, and then transports the blank to the grinding area. The defect recognition system starts to work, and the camera system collects the surface image of the square billet in real time. The image processing technology is used to collect and splice the surface image of the square billet, and then the defect database pre-set in the background is compared to automatically identify the defects on the surface of the billet and calibrate the identification position of the defect;

[0015] The defect recognition system sends the calibrated defect location data to the grinding machine. The grinding machine determines the precise grinding parameters based on the defect coordinates sent by the defect recognition system, and guides the grinding machine to perform precise grinding, ultimately achieving the surface quality grinding requirements.

[0016] The grinding trolley turns over the blank and repeats the above steps until all surfaces of the blank are ground.

[0017] Preferably, when a new defect is not identified, it can be manually marked in the system diagram, and the system sends the newly calibrated defect location data to the grinding machine for grinding.

[0018] Compared with the prior art, the advantages of the present invention are:

[0019] The present invention discloses an online detection and grinding device for metal blank surface defects and a grinding method, which can automatically identify defects on four surfaces of the blank and cooperate with the turning mechanism of the grinding trolley to complete automatic grinding of the four surfaces of the blank, thereby greatly improving the grinding safety, reducing metal waste and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1The present invention is a schematic structural diagram of a device for online detection and grinding of metal blank surface defects.

[0021] Figure 2 for Figure 1 Schematic diagram of the structure of the intermediate grinding trolley.

[0022] Figure 3 for Figure 2 Schematic diagram of the structure of the clamping mechanism.

[0023] Figure 4 for Figure 2 Schematic diagram of the structure of the material turning mechanism.

[0024] in:

[0025] Grinding trolley 1

[0026] Base 11

[0027] Guide rail 12

[0028] Car body 13

[0029] Roller 14

[0030] Clamping mechanism 15

[0031] Clamping base 151

[0032] V-shaped trough 152

[0033] Limit stop 153

[0034] Clamping arm 154

[0035] Clamping cylinder 155

[0036] Chuck 156

[0037] Material turning mechanism 16

[0038] Turning base 161

[0039] Flip shaft 162

[0040] Flipping arm 163

[0041] Turning cylinder 164

[0042] Bearing seat 17

[0043] Defect Recognition System 2

[0044] Mounting bracket 21

[0045] Column 211

[0046] Shaft 212

[0047] Rotating arm 213

[0048] Casing 214

[0049] Industrial Camera 22

[0050] Protective cover 23

[0051] Air Knife 24

[0052] Light source bracket 25

[0053] Light source 26. DETAILED DESCRIPTION

[0054] The present invention is further described in detail below with reference to the accompanying drawings.

[0055] like Figure 1~Figure 4 As shown, in this embodiment, a metal blank surface defect online detection and grinding device comprises a loading platform, an unloading platform, a grinding machine and a grinding trolley 1, a defect recognition system 2 is arranged on one side of the grinding trolley 1, and the defect recognition system 2 comprises a mounting bracket 21, and the mounting bracket 21 comprises a column 211, a rotating shaft 212 is arranged on the top of the column 211, a rotating arm 213 is arranged on the rotating shaft 212, a sleeve 214 is arranged at one end of the rotating arm 213, and the sleeve 214 is sleeved on the rotating shaft 212, and an industrial camera 22 is arranged at the other end of the rotating arm 213;

[0056] A protective cover 23 is provided on the outer side of the industrial camera 22;

[0057] An air knife 24 is provided on one side of the protective cover 23;

[0058] The rotating arm 213 is provided with a light source bracket 25, the light source bracket 25 is located inside the industrial camera 22, and a light source 26 is provided on the light source bracket 25;

[0059] The grinding trolley 1 includes a base 11, on which two left and right guide rails 12 are arranged, on which a vehicle body 13 is arranged, on which two left and right groups of rollers 14 are arranged at the bottom of the vehicle body 13, and the left and right groups of rollers 14 are respectively arranged on the left and right guide rails 12, and on which a clamping mechanism 15 and a material turning mechanism 16 are arranged.

[0060] The clamping mechanism 15 includes a clamping base 151, a V-shaped material groove 152 is provided on the clamping base 151, a limit stopper 153 is provided on one side of the top of the V-shaped material groove 152, a clamping arm 154 is hingedly provided on the clamping base 151, the clamping arm 154 is located on the other side of the V-shaped material groove 152, a clamping oil cylinder 155 is provided on one side of the clamping arm 154, and the piston rod end of the clamping oil cylinder 155 is hinged to the middle part of the clamping arm 154;

[0061] The clamping arm 154 is provided with a clamping head 156 at the upper end thereof;

[0062] The material turning mechanism 16 includes a material turning base 161, a material turning shaft 162 is arranged above the material turning base 161, a material turning arm 163 is arranged on the material turning shaft 162, a material turning cylinder 164 is arranged below the material turning arm 163, and the piston tube end of the material turning cylinder 164 is connected to the middle of the material turning arm 163;

[0063] The clamping base 151 is provided with a bearing seat 17 , and the turning shaft 162 is installed between two adjacent bearing seats 17 .

[0064] The grinding method is as follows:

[0065] The loading platform transports the blank to be inspected to the grinding trolley, the clamping mechanism of the grinding trolley clamps the blank, and then transports the blank to the grinding area. The defect recognition system starts to work, and the camera system collects the surface image of the square billet in real time. The image processing technology is used to collect and splice the surface image of the square billet, and then the defect database pre-set in the background is compared to automatically identify the defects on the surface of the billet and calibrate the identification position of the defect;

[0066] The defect recognition system sends the calibrated defect location data to the grinding machine. The grinding machine determines the precise grinding parameters based on the defect coordinates sent by the defect recognition system, and guides the grinding machine to perform precise grinding, ultimately achieving the surface quality grinding requirements.

[0067] The grinding trolley turns over the blank and repeats the above steps until all surfaces of the blank are ground.

[0068] When a new defect is not identified, it can be manually marked in the system diagram, and the system will send the newly calibrated defect location data to the grinder for grinding.

[0069] Through manual labeling, the database is automatically added, and with deep learning capabilities, such defects can be automatically identified when encountered again.

[0070] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A metal blank surface defect online detection and grinding device, characterized in that: It comprises a loading platform, an unloading platform, a grinding machine and a grinding trolley (1); a defect recognition system (2) is arranged on one side of the grinding trolley (1); the defect recognition system (2) comprises a mounting bracket (21); the mounting bracket (21) comprises a column (211); a rotating shaft (212) is arranged on the top of the column (211); a rotating arm (213) is arranged on the rotating shaft (212); a sleeve (214) is arranged at one end of the rotating arm (213); the sleeve (214) is sleeved on the rotating shaft (212); and an industrial camera (22) is arranged at the other end of the rotating arm (213); A protective cover (23) is arranged outside the industrial camera (22); An air knife (24) is provided on one side of the protective cover (23); A light source bracket (25) is provided on the rotating arm (213), the light source bracket (25) is located inside the industrial camera (22), and a light source (26) is provided on the light source bracket (25); The grinding trolley (1) comprises a base (11), two left and right guide rails (12) are arranged on the base (11), a vehicle body (13) is arranged on the left and right guide rails (12), two left and right groups of rollers (14) are arranged at the bottom of the vehicle body (13), the left and right groups of rollers (14) are respectively arranged on the left and right guide rails (12), and a clamping mechanism (15) and a material turning mechanism (16) are arranged on the vehicle body (13); The clamping mechanism (15) comprises a clamping base (151), a V-shaped material groove (152) is arranged on the clamping base (151), a limit stopper (153) is arranged on one side of the top of the V-shaped material groove (152), a clamping arm (154) is hingedly arranged on the clamping base (151), the clamping arm (154) is located on the other side of the V-shaped material groove (152), a clamping cylinder (155) is arranged on one side of the clamping arm (154), a piston rod end of the clamping cylinder (155) is hingedly connected to the middle part of the clamping arm (154), and a clamping head (156) is arranged on the upper end of the clamping arm (154); The material turning mechanism (16) comprises a material turning base (161), a material turning shaft (162) is arranged above the material turning base (161), a material turning arm (163) is arranged on the material turning shaft (162), a material turning cylinder (164) is arranged below the material turning arm (163), and a piston tube end of the material turning cylinder (164) is connected to the middle of the material turning arm (163); A bearing seat (17) is provided on the clamping base (151), and the material turning shaft (162) is installed between two adjacent bearing seats (17).

2. A grinding method for the metal blank surface defect online detection and grinding device as claimed in claim 1, characterized in that The method comprises the following steps: The loading platform transports the blank to be inspected to the grinding trolley, the clamping mechanism of the grinding trolley clamps the blank, and then transports the blank to the grinding area. The defect recognition system starts to work, and the camera system collects the surface image of the square billet in real time. The image processing technology is used to collect and splice the surface image of the square billet, and then the defect database pre-set in the background is compared to automatically identify the defects on the surface of the billet and calibrate the identification position of the defect; The defect recognition system sends the calibrated defect location data to the grinding machine. The grinding machine determines the precise grinding parameters based on the defect coordinates sent by the defect recognition system, and guides the grinding machine to perform precise grinding, ultimately achieving the surface quality grinding requirements. The grinding trolley turns over the blank and repeats the above steps until all surfaces of the blank are ground.

3. The grinding method of the metal blank surface defect online detection and grinding device according to claim 2, characterized in that: When a new defect is not identified, it can be manually marked in the system diagram, and the system will send the newly calibrated defect location data to the grinder for grinding.

Images