Automatic edge sharpener

Abstract

An automatic edge sharpener includes a bottom box device, a clamp device, a grinder device and guide blocks. The present invention has the advantages of reasonable and simple structure, low production cost and convenient installation, the guide blocks come into contact with the guide wheel to change the movement track of the grinding wheel and sharpen edges along different tracks, which can be a straight line, a circular arc, a wavy shape, and the like, thus achieving a wider application range; the present invention adopts a clamping method in which the positioning plates and the clamps are mated, the positioning plates are detachable and removable, different positioning plates can be selected according to the workpiece. the number of sides of the support frame is designed according to the shape of the product, and also for wavy edge back and forth, which can meet the use requirements of various products.

1 . An automatic edge sharpener, comprising:
 a bottom box device  1 , a clamp device  2 , a grinder device  3  and guide blocks  4 ;   the clamp device  2  and the grinder device  3  are both connected to the bottom box device  1 ;   the guide blocks  4  are arranged in the clamp device  2 ;   specifically, in structure, the bottom box device  1  includes: a bottom box body  11 , a power distribution box  12 , a water tank  13 , and an opening  14 ;   the power distribution box  12  for power supply is fixedly connected to a side of the bottom box body  11 ;   the opening  14  is formed in a bottom surface of one side of the bottom box body  11  close to the grinder device  3 ;   the water tank  13  is arranged under the opening  14 .   
     
     
         2 . The automatic edge sharpener according to  claim 1 , wherein the clamp device  2  comprises:
 an air storage tank  21 , a rotating shaft  22 , a first base  23 , a gearwheel  24 , a support frame  25 , clamps  26 , positioning plates  27 , first Y-joints  28 , air cylinders  29 , fork pneumatic valves  211 , a pinion gear  212 , a reducer  213 , a cycloidal pinwheel reducer  214  with a motor, a belt  215 , second Y-joints  216 , and connecting rods  217 ; 
 the first base  23 , the reducer  213 , and the cycloidal pinwheel reducer  214  with a motor are fixedly connected to the bottom box body  11  of the bottom box device  1 ; 
 the first base  23  is movably connected with the rotating shaft  22 ; 
 the gearwheel  24  is fixedly connected to a lower end of the rotating shaft  22 ; 
 an output end of the cycloidal pinwheel reducer  214  with a motor is connected with an input end of the reducer  213  through the belt  215 ; 
 the pinion gear  212  is fixedly connected to an output end of the reducer  213 , the pinion gear  212  and the gearwheel  24  are meshed with each other, the support frame  25  is fixedly connected to an upper end of the rotating shaft  22 , the air storage tank  21  is fixedly connected to the center of the support frame  25 ; 
 a plurality of air cylinders  29  are arranged around the air storage tank  21  in a circular array, and air inlet ends of the air cylinders  29  are all connected to the air storage tank  21  through the fork pneumatic valves  211 ; 
 a first Y-joint  28  is fixedly connected to an output end of each air cylinder  29 ; 
 a plurality of second Y-joints  216  are arranged on a surface of the support frame  25  in a circular array, the number of second Y-joints  216  is consistent with the number of air cylinders  29 ; 
 a connecting rod  217  is hinged in each second Y-shaped joint  216 , one end of the connecting rod  217  is hinged in the corresponding first Y-joint  28 , and the other end of the connecting rod  217  is fixedly connected with a clamp  26 ; 
 a positioning plate  27  is arranged under each clamp  26 , and the positioning plates  27  are fixedly connected to the support frame  25 . 
 
     
     
         3 . The automatic edge sharpener according to  claim 1 , wherein the grinder device  3  comprises:
 a second base  31 , an inner tube  32 , an outer tube  33 , a first screw  34 , a lifting handwheel  35 , a first support frame  36 , a second support frame  37 , a third support frame  38 , a stroke handwheel  39 , springs  310 , sliders  311 , optical axes  312 , a motor  313 , a grinding wheel  314 , a grinding wheel mounting base  316 , a guide wheel  317 , a guide wheel frame  318 , a guide rod  322 , a side support plate  323 , a second screw  324 , and V-belts  325 ; 
 the second base  31  is fixedly connected to the bottom box body  11  of the bottom box device  1 ; 
 the second base  31  is fixedly connected with the inner tube  32  and the side support plate  323 ; 
 the inner tube  32  is slidably connected with the outer tube  33 , the first screw  34  is threadedly connected to the outer tube  33 , a tail end of the first screw  34  is against the inner tube  32 , and the lifting handwheel  35  is fixedly connected to a top of the first screw  34 ; 
 the first support frame  36  is fixedly connected to the outer tube  33 , the guide rod  322  is fixedly connected to a lower surface of the first support frame  36  and slidably connected into the side support plate  323 ; 
 the first support frame  36  is provided with two optical axes  312  spaced apart from each other; 
 the second support frame  37  is slidably connected to the optical axes  312  in the first support frame  36  through the slider  311  arranged at the lower end; 
 the second support frame  37  is likewise provided with two optical axes  312  spaced apart from each other; 
 the third support frame  38  is likewise slidably connected to the second support frame  37  through the slider  311  arranged at the lower end, the second screw  324  is threadedly connected to a lower end of a right side of the third support frame  38 ; the stroke handwheel  39  is fixedly connected to a right end of the second screw  324 , and the second screw  324  is threadedly connected into the second support frame  37 ; 
 the guide wheel frame  318  is fixedly connected to the side of the second support frame  37 . The guide wheel  317  is movably connected into the guide wheel frame  318 ; 
 the springs  310  are connected between two sides of the first support frame  36  and the second support frame  37 ; 
 the grinding wheel mounting base  316  is fixedly connected to a front end position of the third support frame  38 . The motor  313  is fixedly connected to a rear end position of the third support frame  38 . The grinding wheel  314  is movably connected into the grinding wheel mounting base  316 . An output end of the motor  313  is connected to an input end of the grinding wheel  314  through three V-belts  325 . 
 
     
     
         4 . The automatic edge sharpener according to  claim 3 , wherein the grinder device  3  further comprises:
 a grinding wheel guard  315 , a water pump  319 , a water pipe  320  and a nozzle  321 ; 
 the grinding wheel  314  is provided with the grinding wheel guard  315 ; 
 the water pump  319  is fixedly connected to the bottom box body  11  of the bottom box device  1 ; 
 the nozzle  321  is connected to an output end of the water pump  319  through the water pipe  320  and aligned with the grinding wheel  314 . 
 
     
     
         5 . The automatic edge sharpener according to  claim 1 , wherein the specific connection relationship between the guide blocks  4  and the clamp device  2  is as follows:
 a plurality of guide blocks  4  are provided, and the guide blocks  4  are sequentially clamped in the support frame  25  of the clamp device  2 . 
 
     
     
         6 . The automatic edge sharpener according to  claim 2 , wherein the belt  215  is configured as a synchronous belt. 
     
     
         7 . The automatic edge sharpener according to  claim 2 , wherein the gearwheel  24  and the pinion gear  212  are both coated with grease. 
     
     
         8 . The automatic edge sharpener according to  claim 3 , wherein the the guide wheel  317  is coated with a wear-resistant coating.