Automatic saw blade replacing, assembling and disassembling assembly

Abstract

The utility model relates to an automatic saw blade replacing, loading and unloading assembly which comprises a rack, a lifting device is arranged on the rack, a nut unloading chuck device is arranged on the lifting device, a nut unloading chuck assembly comprises a mounting frame, a nut loosening and tightening mechanism is arranged on the mounting frame, and the nut unloading chuck device is arranged on the mounting frame. And a nut loading and unloading mechanism and a chuck loading and unloading mechanism are arranged above the nut loosening and tightening mechanism. According to the automatic saw blade replacing, assembling and disassembling assembly, automatic assembling and disassembling of the fixing nut and the chuck on the grinding wheel blade saw main shaft can be achieved, the saw blade replacing efficiency is greatly improved, the labor intensity of workers and the labor cost are reduced, the safety of the workers is guaranteed, and the replacing reliability is improved.

Description

Technical Field

[0001] The utility model relates to an automatic saw blade replacement and loading / unloading assembly, belonging to the technical field of metal cutting equipment. Background Technique

[0002] The large grinding wheel saw, also known as the large grinding wheel cutting machine, is a commonly used equipment for cutting materials such as metal square flat tubes, square flat steels, I-beams, channel steels, carbon yuan steels, and yuan tubes. It is applicable to departments such as construction, hardware, petrochemical industry, mechanical metallurgy, and hydropower installation. In the mechanical processing industry, it is used very frequently. Since the saw blade rubs against the material to be cut during use and causes wear, the saw blade belongs to a consumable part and must be replaced when worn to a certain extent.

[0003] According to its usage, the large saw blade needs to be replaced irregularly. Currently, the only commonly used replacement method is manual replacement. By manually removing the fixing nut and chuck on the main shaft of the grinding wheel saw and replacing the old saw blade with a new one, due to the large size (diameter can reach 1200mm) and heavy weight (mass can reach more than 50kg) of the large saw blade, the replacement efficiency is low, the labor intensity is high, the labor cost is high, and the reliability of replacement is not high. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide an automatic saw blade replacement and loading / unloading assembly for the above-mentioned existing technology, which can realize the automatic disassembly and assembly of the fixing nut and chuck on the main shaft of the grinding wheel saw, greatly improve the saw blade replacement efficiency, reduce the labor intensity and labor cost of workers, ensure the safety of staff, and improve the replacement reliability.

[0005] The technical solution adopted by the utility model to solve the above problems is: an automatic saw blade replacement and loading / unloading assembly, which includes a frame, on which a lifting device is arranged, and a nut removing and chuck device is arranged on the lifting device.

[0006] Optionally, the lifting device includes two linear slide rails arranged in parallel front and back, the linear slide rails are arranged in the vertical direction, a slider group is arranged on the linear slide rails, and the nut removing and chuck device is arranged on the front and back two groups of slider groups; a first servo motor is arranged between the front and back two linear slide rails, the first servo motor is arranged in the vertical direction, a ball screw is connected to the lower end of the first servo motor, a ball nut is arranged on the ball screw, a connecting seat is arranged on the ball nut, and the connecting seat is connected to the nut removing and chuck device.

[0007] Optionally, the nut removing and chuck assembly includes an installation frame, on which a nut tightening and loosening mechanism is arranged, and a nut loading / unloading mechanism and a chuck loading / unloading mechanism are arranged above the nut tightening and loosening mechanism.

[0008] Optionally, the nut tightening mechanism includes two left and right linear guide rails, a sliding platform is provided on the left and right linear guide rails, a mounting seat is provided on the sliding platform, an electric impact wrench is provided on the mounting seat, and a first plum blossom socket is provided at the front end of the electric impact wrench; two front and rear cylinder frames are provided at the bottom of the sliding platform, a first telescopic cylinder is provided between the front and rear cylinder frames, and the rear end of the first telescopic cylinder is connected to the mounting frame.

[0009] Optionally, a heat sink is provided on the mounting base, and the electric impact wrench is fixedly disposed on the heat sink.

[0010] Optionally, the nut loading and unloading mechanism includes a servo linear module, a fixed seat is provided on the servo linear module, a planetary reducer is provided on the fixed seat, a second servo motor is provided at the input end of the planetary reducer, a connecting shaft is provided at the output end of the planetary reducer, the connecting shaft is arranged in the front-to-back direction, and a second plum blossom sleeve is provided at the front end of the connecting shaft.

[0011] Optionally, a connecting sleeve is provided at the output end of the planetary reducer, the connecting sleeve is located on the front side of the fixed seat, a first flange is provided on the front side of the connecting sleeve, a second flange is provided on the rear side of the connecting shaft, and the first flange and the second flange are connected by multiple bolts.

[0012] Optionally, a positioning groove is provided on the front side of the first flange, and a positioning boss is provided on the rear side of the second flange, and the positioning groove matches with the positioning boss.

[0013] Optionally, the chuck loading and unloading mechanism includes a loading and unloading chuck sleeve and a support plate arranged in a front-to-rear manner, a plurality of guide shafts are arranged between the loading and unloading chuck sleeve and the support plate, the plurality of guide shafts are installed on the mounting frame along the front-to-rear direction, a plurality of loading and unloading cylinders are evenly arranged along the circumference of the loading and unloading chuck sleeve, the loading and unloading cylinders are arranged in a radial direction, and a block is arranged at the inner end of the loading and unloading cylinder; a second telescopic cylinder is arranged on the mounting frame along the front-to-rear direction, and the rear end of the second telescopic cylinder is connected to the support plate.

[0014] Optionally, a plurality of guide shafts are arranged in a ring shape; and a guide sleeve is provided between the guide shaft and the mounting frame.

[0015] Compared with the prior art, the advantages of the utility model are:

[0016] The utility model discloses an automatic saw blade replacement and assembly assembly, which can realize automatic disassembly and assembly of a fixing nut and a chuck on a grinding wheel saw main shaft, greatly improving the efficiency of saw blade replacement, reducing the labor intensity and labor cost of workers, ensuring the safety of workers, and improving replacement reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the structure of an automatic saw blade replacement system of the present utility model.

[0018] Figure 2 It is Figure 1 a side view of

[0019] Figure 3 It is Figure 1 a schematic diagram of the structure of the ground rail assembly in

[0020] Figure 4 It is Figure 3 a top view of

[0021] Figure 5 It is Figure 3 a bottom view of

[0022] Figure 6 It is Figure 3 a side view of

[0023] Figure 7 It is Figure 1 a schematic diagram of the structure of the loading and unloading assembly in

[0024] Figure 8 It is Figure 7 a left view of

[0025] Figure 9 It is Figure 7 a top view of

[0026] Figure 10 It is Figure 7 a schematic diagram of the structure of the lifting device in

[0027] Figure 11 It is Figure 10 a side view of

[0028] Figure 12 It is Figure 7 a schematic diagram of the structure of the nut unloading chuck assembly in

[0029] Figure 13 It is Figure 12 a schematic diagram of the structure of the nut tightening and loosening mechanism in

[0030] Figure 14 It is Figure 13 a top view of

[0031] Figure 15 It is Figure 13 a side view of

[0032] Figure 16 It is Figure 7 a schematic diagram of the structure of the nut loading and unloading mechanism in

[0033] Figure 17 It isFigure 16 Top view.

[0034] Figure 18 is Figure 16 Side view.

[0035] Figure 19 is Figure 7 Schematic structural view of the clamping chuck loading and unloading mechanism in

[0036] Figure 20 is Figure 19 Top view.

[0037] Figure 21 is Figure 19 Side view.

[0038] Figure 22 is Figure 1 Schematic structural view of the robot handling component in

[0039] Figure 23 is Figure 22 Top view.

[0040] Figure 24 is Figure 23 Enlarged view of part A of

[0041] Figure 25 is Figure 1 Schematic structural view of the saw blade storage rack in

[0042] Figure 26 is Figure 25 Top view.

[0043] Wherein:

[0044] Floor track assembly 1

[0045] Base frame 11

[0046] Slide base 12

[0047] Slide rail 13

[0048] Drive rack 14

[0049] Motor frame 15

[0050] Drive motor 16

[0051] Drive gear 17

[0052] Loading and unloading assembly 2

[0053] Frame 21

[0054] Lifting device 22

[0055] Linear slide rail 221

[0056] Slider group 222

[0057] First servo motor 223

[0058] Ball screw 224

[0059] Ball nut 225

[0060] Connecting seat 226

[0061] Fixed plate 227

[0062] Connecting bracket 228

[0063] Bearing seat 229

[0064] Coupling 2210

[0065] Nut removing and clamping device 23

[0066] Mounting frame 231

[0067] Nut tightening and loosening mechanism 232

[0068] Linear guide 2321

[0069] Sliding platform 2322

[0070] Mounting seat 2323

[0071] Electric impact wrench 2324

[0072] First hex socket head cap screw 2325

[0073] Cylinder frame 2326

[0074] First telescopic cylinder 2327

[0075] First floating joint 2328

[0076] Heat dissipation plate 2329

[0077] Nut loading and unloading mechanism 233

[0078] Servo linear module 2331

[0079] Fixed seat 2332

[0080] Planetary reducer 2333

[0081] Servo motor 2334

[0082] Connecting shaft 2335

[0083] Second hex socket head cap screw 2336

[0084] Connecting sleeve 2337

[0085] First flange 2338

[0086] Second flange 2339

[0087] Positioning groove 23310

[0088] Positioning boss 23311

[0089] Chuck loading and unloading mechanism 234

[0090] Loading and unloading chuck sleeve 2341

[0091] Support plate 2342

[0092] Guide shaft 2343

[0093] Loading and unloading cylinder 2344

[0094] Plug 2345

[0095] Guide sleeve 2346

[0096] Second telescopic cylinder 2347

[0097] Second floating joint 2348

[0098] Robot handling component 3

[0099] Industrial robot 31

[0100] Saw blade suction mechanism 32

[0101] Front fixing plate 321

[0102] Rear fixing plate 322

[0103] Guide post 323

[0104] Spring 324

[0105] Suction cup 325

[0106] Guide sleeve 326

[0107] Saw blade storage rack 4

[0108] Old saw blade storage mechanism 5

[0109] Grinding wheel saw 6

[0110] Conveyor roller table 7

[0111] Saw blade 8. Specific embodiments

[0112] The present utility model will be further described in detail below in conjunction with the embodiments with reference to the drawings.

[0113] See Figures 1 to 26, an automatic saw blade replacement system related to the present utility model, which includes a ground rail assembly 1, on which a loading and unloading assembly 2 is arranged. The loading and unloading assembly 2 can move horizontally left and right on the ground rail assembly 1. A grinding wheel saw 6 is arranged in front of the ground rail assembly 1, and a robot handling assembly 3 is arranged behind the ground rail assembly 1. A saw blade storage rack 4 and an old saw blade storage mechanism 5 are arranged outside the robot handling assembly 3. A conveying roller table 7 is arranged on one side of the grinding wheel saw 6;

[0114] The saw blade storage rack 4 and the old saw blade storage mechanism 5 are located on the same circumference;

[0115] The ground rail assembly 1 includes a base frame 11, on which a slidable seat 12 that can move horizontally left and right is arranged. The loading and unloading assembly 2 is arranged on the slidable seat 12;

[0116] Two parallel slide rails 13 are arranged front and back on the base frame 11. The slide rails 13 are arranged in the left-right direction, and the slidable seat 12 is arranged on the front and back two slide rails 13;

[0117] A driving rack 14 is also arranged on the base frame 11 in the left-right direction. A motor frame 15 is arranged on the slidable seat 12, and a driving motor 16 is arranged on the motor frame 15. A driving gear 17 is arranged at the output end of the driving motor 16, and the driving gear 17 is matched with the driving rack 14;

[0118] The loading and unloading assembly 2 includes a frame 21, on which a lifting device 22 is arranged, and a nut unloading chuck device 23 is arranged on the lifting device 22;

[0119] The lifting device 22 includes two parallel linear slide rails 221 arranged front and back. The linear slide rails 221 are arranged in the vertical direction, and a slider group 222 is arranged on the linear slide rails 221. The nut unloading chuck device 23 is arranged on the front and back two slider groups 222;

[0120] A first servo motor 223 is arranged between the front and back two linear slide rails 221. The first servo motor 223 is arranged in the vertical direction. A ball screw 224 is connected to the lower end of the first servo motor 223. A ball nut 225 is arranged on the ball screw 224, and a connecting seat 226 is arranged on the ball nut 225. The connecting seat 226 is connected to the nut unloading chuck device 23;

[0121] A fixing plate 227 is arranged above the first servo motor 223. The fixing plate 227 is arranged at the top of the frame 21. A connecting bracket 228 is arranged on the fixing plate 227, and the first servo motor 223 is fixedly arranged on the connecting bracket 228;

[0122] There are two upper and lower bearing seats 229 arranged below the first servo motor 223, and the ball screw 224 is supported between the two upper and lower bearing seats 229;

[0123] The lower end of the first servo motor 223 is connected to the ball screw 224 through a coupling 2210;

[0124] The nut unloading chuck assembly 23 includes an installation frame 231, a nut tightening and loosening mechanism 232 is arranged on the installation frame 231, and a nut loading and unloading mechanism 233 and a chuck loading and unloading mechanism 234 are arranged above the nut tightening and loosening mechanism 232;

[0125] The nut tightening and loosening mechanism 232 includes two left and right linear guide rails 2321, a sliding platform 2322 is arranged on the two left and right linear guide rails 2321, a mounting seat 2323 is arranged on the sliding platform 2322, an electric impact wrench 2324 is arranged on the mounting seat 2323, and a first socket wrench 2325 is arranged at the front end of the electric impact wrench 2324;

[0126] Two front and rear cylinder frames 2326 are arranged at the bottom of the sliding platform 2322, a first telescopic cylinder 2327 is arranged between the two front and rear cylinder frames 2326, a first floating joint 2328 is connected to the rear end of the first telescopic cylinder 2327, and the first telescopic cylinder 2327 is connected to the installation frame 231 through the first floating joint 2328;

[0127] A heat dissipation plate 2329 is arranged on the mounting seat 2323, and the electric impact wrench 2324 is fixedly arranged on the heat dissipation plate 2329;

[0128] Two left and right groups of sliders are arranged at the bottom of the sliding platform 2322, and the two left and right groups of sliders are respectively arranged on the two left and right linear guide rails 2321;

[0129] The nut loading and unloading mechanism 233 includes a servo linear module 2331, a fixed seat 2332 is arranged on the servo linear module 2331, a planetary reducer 2333 is arranged on the fixed seat 2332, a second servo motor 2334 is arranged at the input end of the planetary reducer 2333, a connecting shaft 2335 is arranged at the output end of the planetary reducer 2333, the connecting shaft 2335 is arranged in the front-rear direction, and a second socket wrench 2336 is arranged at the front end of the connecting shaft 2335;

[0130] A connecting sleeve 2337 is provided at the output end of the planetary speed reducer 2333. The connecting sleeve 2327 is located on the front side of the fixed seat 2332. A first flange 2338 is provided on the front side of the connecting sleeve 2337. A second flange 2339 is provided on the rear side of the connecting shaft 2335. The first flange 2338 and the second flange 2339 are connected by a plurality of bolts.

[0131] A positioning groove 23310 is provided on the front side of the first flange 2338. A positioning boss 23311 is provided on the rear side of the second flange 2339. The positioning groove 23310 and the positioning boss 23311 are matched with each other.

[0132] A key connection is provided between the output end of the planetary speed reducer 2333 and the connecting sleeve 2337.

[0133] The chuck loading and unloading mechanism 234 includes a loading and unloading chuck sleeve 2341 and a support plate 2342 arranged front and rear. A plurality of guide shafts 2343 are provided between the loading and unloading chuck sleeve 2341 and the support plate 2342. The plurality of guide shafts 2343 are installed on the installation frame 231 in the front-rear direction. A plurality of loading and unloading cylinders 2344 are evenly arranged on the loading and unloading chuck sleeve 2341 in the circumferential direction. The loading and unloading cylinders 2344 are arranged radially. A plug 2345 is provided at the inner end of the loading and unloading cylinder 2344. A ring groove is provided on the outer circumference of the chuck on the grinding wheel saw spindle. The plug is matched with the ring groove.

[0134] The plurality of guide shafts 2343 are arranged in a ring shape.

[0135] A guide sleeve 2346 is provided between the guide shaft 2343 and the installation frame 231.

[0136] A second telescopic cylinder 2347 is provided on the installation frame 231 in the front-rear direction. The rear end of the second telescopic cylinder 2347 is connected to the support plate 2342.

[0137] A second floating joint 2348 is provided at the rear end of the second telescopic cylinder 2347. The second telescopic cylinder 2347 is connected to the support plate 2342 through the second floating joint 2348.

[0138] The robot handling component 3 includes an industrial robot 31. A saw blade suction mechanism 32 is provided at the end of the robotic arm of the industrial robot 31.

[0139] The saw blade suction mechanism 32 includes a front fixing plate 321 and a rear fixing plate 322. A plurality of guide posts 323 are installed between the front fixing plate 321 and the rear fixing plate 322. Springs 324 are sleeved on the guide posts 323. A plurality of suction cups 325 are provided on the front side of the front fixing plate 321.

[0140] A guide sleeve 326 is provided between the guide post 323 and the rear fixing plate 322, and the spring 324 is restricted between the guide sleeve 326 and the front fixing plate 321;

[0141] The saw blade storage rack 4 includes a support frame 41. A shaft hole 42 is provided at the center of the support frame 41, and a mandrel 43 is inserted into the shaft hole 42;

[0142] A support step 44 is provided at the lower part of the mandrel 43, and the support step 44 is matched with the top surface of the support frame 41;

[0143] A guiding conical surface 45 is provided at the top of the mandrel 43.

[0144] In addition to the above embodiments, the present utility model also includes other implementation manners. Any technical solutions formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the claims of the present utility model.

Claims

1. An automatic saw blade changing loading and unloading component, characterized in that: It includes a frame. A grinding wheel saw is arranged on the front side of the frame. A robot handling component is arranged on the rear side of the frame. A saw blade storage rack and an old saw blade storage mechanism are arranged outside the robot handling component. A conveying roller path is arranged on one side of the grinding wheel saw. A lifting device is arranged on the frame, and a nut removing chuck device is arranged on the lifting device.

2. The automatic saw blade changing loading and unloading component according to claim 1, characterized in that: The lifting device includes two linear slide rails arranged in parallel front and back. The linear slide rails are arranged in the vertical direction. A slider group is arranged on the linear slide rails. The nut removing chuck device is arranged on the front and back slider groups; A first servo motor is arranged between the front and back two linear slide rails. The first servo motor is arranged in the vertical direction. A ball screw is connected to the lower end of the first servo motor. A ball nut is arranged on the ball screw. A connecting seat is arranged on the ball nut. The connecting seat is connected to the nut removing chuck device.

3. The automatic saw blade changing loading and unloading component according to claim 1, characterized in that: The nut removing chuck device includes an installation frame. A nut tightening and loosening mechanism is arranged on the installation frame. A nut loading and unloading mechanism and a chuck loading and unloading mechanism are arranged above the nut tightening and loosening mechanism.

4. The automatic saw blade changing loading and unloading component according to claim 3, characterized in that: The nut tightening and loosening mechanism includes two linear guide rails arranged left and right. A sliding platform is arranged on the two linear guide rails arranged left and right. A mounting seat is arranged on the sliding platform. An electric impact wrench is arranged on the mounting seat. A first socket wrench is arranged at the front end of the electric impact wrench; Two cylinder brackets are arranged at the front and back of the bottom of the sliding platform. A first telescopic cylinder is arranged between the two cylinder brackets at the front and back. The rear end of the first telescopic cylinder is connected to the installation frame.

5. The automatic saw blade changing loading and unloading component according to claim 4, characterized in that: A heat dissipation plate is arranged on the mounting seat. The electric impact wrench is fixedly arranged on the heat dissipation plate.

6. The automatic saw blade changing loading and unloading component according to claim 3, characterized in that: The nut loading and unloading mechanism includes a servo linear module. A fixed seat is arranged on the servo linear module. A planetary reducer is arranged on the fixed seat. A second servo motor is arranged at the input end of the planetary reducer. A connecting shaft is arranged at the output end of the planetary reducer. The connecting shaft is arranged in the front and back direction. A second socket wrench is arranged at the front end of the connecting shaft.

7. The automatic saw blade changing loading and unloading component according to claim 6, characterized in that: A connecting sleeve is arranged at the output end of the planetary reducer. The connecting sleeve is located in front of the fixed seat. A first flange is arranged on the front side of the connecting sleeve. A second flange is arranged on the rear side of the connecting shaft. The first flange and the second flange are connected by a plurality of bolts.

8. The automatic saw blade changing loading and unloading component according to claim 7, characterized in that: A positioning groove is arranged on the front side of the first flange. A positioning boss is arranged on the rear side of the second flange. The positioning groove is matched with the positioning boss.

9. The automatic saw blade changing loading and unloading component according to claim 3, characterized in that: The chuck loading and unloading mechanism includes a loading and unloading chuck sleeve and a support plate arranged front and back. A plurality of guide shafts are arranged between the loading and unloading chuck sleeve and the support plate. The plurality of guide shafts are inserted through the installation frame in the front and back direction. A plurality of loading and unloading cylinders are uniformly arranged on the loading and unloading chuck sleeve in the circumferential direction. The loading and unloading cylinders are arranged in the radial direction. A plug block is arranged at the inner end of the loading and unloading cylinder; A second telescopic cylinder is arranged on the installation frame in the front and back direction. The rear end of the second telescopic cylinder is connected to the support plate.

10. The automatic saw blade changing loading and unloading component according to claim 9, characterized in that: The plurality of guide shafts are arranged in a ring shape; A guide sleeve is arranged between the guide shaft and the installation frame.

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