Feeding system for rectangular workpieces of parallel surface grinding machine

Abstract

The utility model discloses a feeding system for rectangular workpieces of a parallel surface grinding machine, a feeding device comprises a mounting bracket and a clip type feeder, and the mounting bracket comprises a feeder mounting plate; the clip type feeder comprises a blanking slide way, the blanking slide way comprises two pieces of unequal angle iron and a barrier strip, and the bottom end of the blanking slide way is close to the top face of the double-end-face grinding machine clamp disc. The short edges of the two unequal angle irons are oppositely arranged, are parallel to the X axis and are on the same straight line, and the long edges of the two unequal angle irons are parallel to the Y axis; the barrier strip is movably fixed on the inner side of the long edge of the first unequal angle iron and is close to the outer end of the long edge of the first unequal angle iron; the middle portions of the long edges of the two unequal angle irons are fixed to the two installation supports respectively, the first installation support is fixed to the top face of the feeder installation plate, and the second installation support is fixed to the top face of the installation plate in the mode of being capable of moving along the X axis. The device can adapt to workpieces with different sizes by moving the second mounting support and the barrier strip, and is good in compatibility.

Description

[Technical field]

[0001] The utility model relates to a double-end surface grinder, in particular to a feeding system for rectangular workpieces of the double-end surface grinder. [Background Technology]

[0002] A double-end surface grinder is a mechanical device used to simultaneously process the flat surfaces of both ends of a workpiece.

[0003] The invention with application number CN202310869591.5 discloses a device for quickly loading small magnetic material workpieces for a vertical double-end surface grinder, comprising a fixture disk, a feeding mechanism, a loading mechanism, a pressing mechanism, and an incoming material mechanism; the feeding mechanism, the loading mechanism, and the pressing mechanism are all connected to a quick-change base plate, and the incoming material mechanism is fixed to the ground via a bracket; the rectangular workpiece enters the limiting fixing plate through the incoming material mechanism, and is then pushed to the front of the loading mechanism by the feeding mechanism, which further pushes the rectangular workpiece to the fixture disk, and then the pressing mechanism presses the workpiece into the limiting hole of the fixture disk. When processing workpieces of different sizes, the workpiece rapid loading device of this invention requires the integral components on the material channel bracket to be removed and replaced with integral components adapted to the size of the workpiece, which lacks flexibility and versatility and has poor compatibility. [Summary of the invention]

[0004] The technical problem to be solved by the utility model is to provide a loading system for rectangular workpieces of a double-end surface grinder which can adapt to workpieces of different sizes and has good compatibility.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is a feeding system for rectangular workpieces of a double-end surface grinder, including a feeding robot and a feeding device, the feeding device is installed at the feeding position of the double-end surface grinder, the feeding device includes a mounting bracket and a clip-type loader, the mounting bracket is fixed on the frame of the double-end surface grinder, including a horizontally arranged loader mounting plate; the clip-type loader includes a blanking slide and two mounting supports, the blanking slide includes two unequal angle irons and a baffle, the unequal angle irons and the baffle are arranged vertically, and the bottom end of the blanking slide is close to the top surface of the fixture disk of the double-end surface grinder; the origin of the first XY coordinate system is the center of the workpiece above the material position as the origin, and the first XY coordinate system is the origin. The Y-axis of an XY coordinate system is the radial direction of the fixture disk of a double-end face grinder, and the X-axis of the first XY coordinate system is the tangential direction of the fixture disk of a double-end face grinder; the short sides of the two unequal angle irons are arranged opposite to each other, parallel to the X-axis of the first XY coordinate system, and on the same straight line, and the long sides of the two unequal angle irons are parallel to the Y-axis of the first XY coordinate system; the baffle is movably fixed on the inner side of the long side of the first unequal angle iron, close to the outer end of the long side of the first unequal angle iron; the middle parts of the long sides of the two unequal angle irons are respectively fixed on two mounting supports, the first mounting support is fixed on the top surface of the loader mounting plate, and the second mounting support can be movably fixed on the top surface of the mounting plate along the X-axis of the first XY coordinate system.

[0006] The feeding system described above includes an avoidance gap between the short sides of the two unequal angle irons for the feeding robot clamp, and the mounting support is L-shaped, including a vertical plate and a horizontal plate. The fitting surface of the vertical plate and the long side of the unequal angle iron includes a vertically arranged positioning ridge, and the outer side surface of the long side of the unequal angle iron includes a vertically arranged positioning groove, and the positioning ridge is embedded in the positioning groove; the vertical plate and the long side of the unequal angle iron are fixed by screws, and the screw holes on the vertical plate are oblong holes, and the long axis of the oblong holes of the vertical plate is in the vertical direction; the horizontal plate of the mounting support is fixed to the mounting plate of the loader by screws, and the second The screw holes on the mounting support cross plate are elongated holes, and the major axis of the elongated holes on the second mounting support cross plate is in the X-axis direction of the first XY coordinate system; the baffle is fixed to the long side of the first unequal angle iron by screws, and the top of the long side of the first unequal angle iron includes a plurality of separately arranged threaded holes along the Y-axis direction of the first XY coordinate system, near the outer end of the long side of the first unequal angle iron, and the top of the baffle includes an elbow, which rests on the top of the long side of the first unequal angle iron, and the elbow includes an elongated screw hole, and the major axis direction of the elongated screw hole is in the Y-axis direction of the first XY coordinate system.

[0007] The feeding system described above, the feeding device includes a radial fine-tuning mechanism, the mounting bracket includes an L-shaped bracket, the L-shaped bracket includes a vertical plate and a top plate, the vertical plate is fixed to the frame of the double-end surface grinder; the loader mounting plate is fixed to the top surface of the top plate of the L-shaped bracket by screws, the loader mounting plate includes two elongated screw holes arranged separately along the X-axis direction of the first XY coordinate system, and the long axis direction of the elongated screw holes of the loader mounting plate is the Y-axis direction of the first XY coordinate system; the radial fine-tuning mechanism includes a fine-tuning screw and a fine-tuning nut screwed with the front part of the fine-tuning screw, the fine-tuning screw is arranged along the Y-axis direction of the first XY coordinate system, and the rear part is rotatably mounted on the top plate of the L-shaped bracket; the fine-tuning nut is fixed to the rear end of the loader mounting plate along the Y-axis direction of the first XY coordinate system.

[0008] The feeding system described above, the feeding device includes 4 elastic pressure wheels, which are installed on the loader mounting plate and arranged around the blanking slide. The rollers of the elastic pressure wheels are pressed on the top surface of the double-end face grinder fixture disk, avoiding the workpiece hole of the double-end face grinder fixture disk.

[0009] The feeding system described above has four elastic pressure wheels separately arranged on the front and rear sides of the blanking slide along the Y-axis direction of the first XY coordinate system and on the left and right sides along the X-axis direction of the first XY coordinate system; the elastic pressure wheel includes a pressure wheel frame, a roller assembly, a vertical shaft, a spiral compression spring, an adjustment screw, a sliding bracket and a guide screw, and the pressure wheel frame is fixed on the feeder mounting plate, including a vertical shaft hole; the roller assembly includes a roller frame, the roller and a roller shaft, and the roller frame is fixed at the lower end of the vertical shaft; the vertical shaft passes through the vertical shaft hole of the pressure wheel frame and slides with the vertical shaft hole; the spiral compression spring is loosely sleeved on the vertical shaft and is located between the roller frame and the pressure wheel frame; the inverted L-shaped sliding bracket The frame includes a vertical plate and a horizontal plate, the vertical plate of the sliding bracket includes a long and thin guide hole, and the long axis of the long and thin guide hole is arranged vertically; the guide screw includes a guide column, and the guide column is located between the head and the thread of the guide screw; the vertical plate of the sliding bracket is arranged at one end of the side of the pressure wheel bracket, and the one end of the side of the pressure wheel bracket includes a threaded hole, and the guide screw passes through the long and thin guide hole and is screwed into the threaded hole on the side of the pressure wheel bracket; the length of the guide column is greater than the thickness of the vertical plate of the sliding bracket, and the width of the long and thin guide hole is greater than the diameter of the guide column; the adjustment screw is rotatably mounted on the horizontal plate of the sliding bracket; the upper end of the vertical shaft includes a threaded hole, and the lower end of the adjustment screw is screwed into the threaded hole of the vertical shaft.

[0010] The above-mentioned feeding system includes a frame and two sets of feeding devices. The frame includes a machine table. The feeding device includes a first linear module, a feeding rack and a lifting mechanism. The first linear modules of the two feeding devices are fixed on the table of the machine table in parallel along the X-axis direction of the second XY coordinate system and arranged along the Y-axis direction of the second XY coordinate system. The feeding rack is arranged on the outer side of the corresponding first linear module. The feeding rack includes a first linear guide pair, a base and a plurality of vertically arranged feeding slides. The lower ends of the plurality of feeding slides are fixed on the base and along the second XY The guide rails of the first linear guide pair are fixed on the table and arranged along the Y-axis direction of the second XY coordinate system. The base is fixed on the slider of the first linear guide pair and is connected to the slider of the corresponding first linear module. The base has corresponding lifting holes below the feeding slide, and there are through holes corresponding to the feeding rack on the table directly below the loading robot, and the lifting mechanism is arranged directly below the corresponding through holes. The through holes and the lifting holes on the corresponding feeding rack are located in the same vertical plane along the Y-axis direction of the second XY coordinate system.

[0011] The feeding system described above, the feeding chute includes an angle iron and two vertical poles, the angle iron is arranged vertically, the bottom of the angle iron is fixed on the base, one side of the angle iron is parallel to the X-axis of the second XY coordinate system, and the other side of the angle iron is parallel to the Y-axis of the second XY coordinate system. The inner sides of the two sides of the angle iron and the inner sides of the two vertical poles jointly define the rectangular inner frame of the feeding chute.

[0012] In the above-described loading system, the first upright is fixed to the base via a first support, and the first support includes a fine-tuning mechanism along the X-axis direction of the second XY coordinate system; the second upright is fixed to the base via a second support, and the second support includes a fine-tuning mechanism along the Y-axis direction of the second XY coordinate system;.

[0013] The loading system described above, the loading robot includes a second linear module, a third linear module, a Z-axis rotation mechanism and a clamping cylinder. The second linear module is arranged along the X-axis direction of the second XY coordinate system, and the fixed end of the second linear module is fixed above the machine table through a bracket. The cantilever end of the second linear module is located directly above the double-end grinder fixture disk; the third linear module is vertically fixed on the slider of the second linear module, and the Z-axis rotation mechanism is installed on the slider of the third linear module; the upper end of the clamping cylinder is connected to the rotating shaft at the lower end of the Z-axis rotation mechanism, the clamping claw of the clamping cylinder is facing downward, and the clamping claw of the clamping cylinder is equipped with a workpiece clamp.

[0014] In the above-mentioned feeding system, the lifting mechanism includes an electric cylinder, which is vertically arranged directly below the through hole, and a push rod of the electric cylinder extends upward through the through hole.

[0015] The rectangular workpiece feeding system of the double-end surface grinder of the utility model can adapt to rectangular workpieces of different sizes by moving the second mounting support and the blocking bar, and has good compatibility. [Brief Description of the Drawings]

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a front view of a double-end surface grinder and a rectangular workpiece feeding system according to an embodiment of the present utility model.

[0018] Figure 2 It is a top view of a rectangular workpiece loading system for a double-end surface grinder according to an embodiment of the present utility model.

[0019] Figure 3 This is a front view of a rectangular workpiece loading system of a double-end surface grinder according to an embodiment of the present invention, without the screen and the machine table.

[0020] Figure 4 It is a three-dimensional diagram of the rectangular workpiece loading system of the double-end surface grinder according to the embodiment of the present utility model without the screen and the machine table.

[0021] Figure 5 It is a front view of the feeding device of the embodiment of the present utility model.

[0022] Figure 6 It is a top view of the feeding device according to an embodiment of the present invention.

[0023] Figure 7It is a three-dimensional diagram of the feeding device according to an embodiment of the present utility model.

[0024] Figure 8 yes Figure 2 A partial enlarged view of part Ⅰ.

[0025] Figure 9 yes Figure 3 A partial enlarged view of middle II.

[0026] Figure 10 It is a three-dimensional diagram of the elastic pressure wheel of the feeding device according to the embodiment of the present utility model.

[0027] Figure 11 It is a front view of the elastic pressure wheel of the loading device in an embodiment of the utility model.

[0028] Figure 12 It is a left view of the elastic pressure wheel of the feeding device according to the embodiment of the present utility model.

[0029] Figure 13 yes Figure 12 AA section view in.

[0030] Figure 14 It is a front view of the feeding device and the loading robot according to an embodiment of the present utility model.

[0031] Figure 15 It is a top view of the feeding device and the loading robot according to an embodiment of the present utility model.

[0032] Figure 16 It is a left view of the feeding device and the loading robot according to an embodiment of the present invention.

[0033] Figure 17 It is a three-dimensional diagram of the feeding device and the loading robot according to the embodiment of the present utility model.

[0034] Figure 18 It is a three-dimensional diagram of two sets of feeding devices in an embodiment of the present utility model. [Specific implementation method]

[0035] The feeding system of the rectangular workpiece of the double-end surface grinder of the utility model is as follows Figures 1 to 18 As shown, it includes two sets of feeding devices 100 working alternately, a loading robot 200, a loading device 300, a control circuit and a machine platform 80 as a frame.

[0036] The loading device 300 is installed at the loading position of the double-end surface grinder 400 . The loading device 300 includes a mounting bracket 10 , a clip-type loader 20 , a radial fine-tuning mechanism 30 and four elastic pressure wheels 40 .

[0037] The mounting bracket 10 includes an L-shaped bracket 10A and a loader mounting plate 13. The L-shaped bracket 10A includes a vertical plate 11 and a horizontally arranged top plate 12. The vertical plate 11 is fixed to the frame of the double-end surface grinder 400. The loader mounting plate 13 is fixed to the top surface of the top plate 12 of the L-shaped bracket 10A by screws. The loader mounting plate 13 includes two elongated screw holes 131 arranged separately along the X-axis (X1) direction of the first XY coordinate system. The long axis direction of the elongated screw holes 131 of the loader mounting plate 13 is the Y-axis (Y1) direction of the first XY coordinate system.

[0038] The clip-type loader 20 includes a blanking chute 20A and two mounting supports 21. The blanking chute 20A includes two unequal angle irons 22 and a baffle 23. The unequal angle irons 22 and baffle 23 are arranged vertically, and the outlet at the bottom end of the blanking chute 20A is close to the top surface of the fixture disk 90 of the double-end surface grinder 400. The origin of the first XY coordinate system is the center of the workpiece above the material level. The Y axis (Y1) of the first XY coordinate system is the radial direction of the fixture disk 90 of the double-end surface grinder 400, and the X axis (X1) of the first XY coordinate system is the tangential direction of the fixture disk 90 of the double-end surface grinder 400. The short sides 221 of the two unequal angle irons 22 are arranged opposite each other, parallel to the X axis (X1) of the first XY coordinate system, and on the same straight line. The long sides 222 of the two unequal angle irons 22 are parallel to the Y axis (Y1) of the first XY coordinate system. The retaining bar 23 is movably fixed to the inner side of the long side 222 of the first unequal angle iron 22, near the outer end of the long side 222 of the first unequal angle iron 22. The middle of the long sides 222 of the two unequal angle irons 22 are respectively fixed to two mounting supports 21. The first mounting support 21A is fixed to the top surface of the loader mounting plate 13, and the second mounting support 21B is movably fixed to the top surface of the mounting plate along the X-axis (X1) of the first XY coordinate system.

[0039] The short sides 221 of the two unequal-legged angle irons 22 include a clearance Δ for the fixture of the loading robot 200. The mounting bracket 21 is L-shaped and includes a vertical plate 211 and a horizontal plate 212. The mating surface between the vertical plate 211 and the long side 222 of the unequal-legged angle iron 22 includes a vertically arranged positioning ridge 213. The outer side surface of the long side 222 of the unequal-legged angle iron 22 includes a vertically arranged positioning groove 223, and the positioning ridge 213 is embedded in the positioning groove 223. The vertical plate 211 and the long side 222 of the unequal-legged angle iron 22 are fixed by screws. The two screw holes on the vertical plate 211 are elongated holes 214, and the long axis of the vertical plate elongated holes 214 is vertical. The horizontal plate 212 of the mounting support 21 is fixed to the loader mounting plate 13 by screws, and the screw hole on the horizontal plate 212 of the second mounting support 21B is an elongated hole 215. The long axis of the elongated hole 215 on the horizontal plate of the second mounting support 21 is in the direction of the X-axis (X1) of the first XY coordinate system. The fixed position of the second mounting support 21B can be moved along the direction of the X-axis (X1) of the first XY coordinate system. The baffle 23 is fixed to the long side 222 of the first unequal angle iron 22 by screws. The top of the long side 222 of the first unequal angle iron 22 has a plurality of separately arranged threaded holes 224 along the Y-axis (Y1) direction of the first XY coordinate system and close to the outer end of the long side 222 of the first unequal angle iron 22. The top of the baffle 23 has an elbow, which rests on the top of the long side 222 of the first unequal angle iron 22. The elbow has an elongated screw hole 231, and the long axis direction of the elongated screw hole 231 is the Y-axis (Y1) direction of the first XY coordinate system.

[0040] The radial fine-tuning mechanism 30 includes a fine-tuning screw 31 and a fine-tuning nut 32 that engages the front portion of the fine-tuning screw 31. The fine-tuning screw 31 is arranged along the Y-axis (Y1) of the first XY coordinate system, and its rear portion is rotatably mounted on the screw seat 121 of the top plate 12 of the L-shaped bracket 10A. The fine-tuning nut 32 is fixed to the rear end of the loader mounting plate 13 along the Y-axis (Y1) of the first XY coordinate system.

[0041] Four elastic pressure wheels 40 are installed on the loader mounting plate 13 and arranged around the blanking slide 20A. The roller 422 of the elastic pressure wheel 40 presses on the top surface of the double-end surface grinder 400 fixture disk 90, avoiding the workpiece hole 91 of the double-end surface grinder 400 fixture disk 90.

[0042] The four elastic pressure rollers 40 are separately arranged on the front and rear sides of the blanking chute 20A along the Y-axis (Y1) direction of the first XY coordinate system and on the left and right sides along the X-axis (X1) direction of the first XY coordinate system. The positions of the four elastic pressure rollers 40 can be adjusted. The elastic pressure roller 40 includes a pressure roller frame 41, a roller assembly 42, a vertical shaft 43, a spiral compression spring 44, an adjustment screw 45, a sliding bracket 46 and a guide screw 47. The pressure roller frame 41 is fixed on the feeder mounting plate 13, and there is a vertical shaft hole 411 on the pressure roller frame 41. The roller assembly 42 includes a roller frame 421, a roller 422 and a roller shaft 423. The roller frame 421 is fixed to the lower end of the vertical shaft 43. The vertical shaft 43 passes through the vertical shaft hole 411 of the pressure roller frame 41 and slides with the vertical shaft hole 411. The spiral compression spring 44 is loosely sleeved on the vertical shaft 43 and is located between the roller frame 421 and the pressure roller frame 41. The inverted L-shaped sliding bracket 46 includes a vertical plate and a horizontal plate. The vertical plate 461 of the sliding bracket 46 has an elongated guide hole 462, the long axis of which is arranged vertically. The guide screw 47 has a guide post 471, which is located between the head of the guide screw 47 and the thread. The vertical plate 461 of the sliding bracket 46 is arranged at one end of the side of the pressure roller frame 41. The pressure roller frame 41 has a threaded hole at one end of the side. The guide screw 47 passes through the elongated guide hole 462 and screws into the threaded hole on the side of the pressure roller frame 41. The length of the guide post 471 is greater than the thickness of the vertical plate of the sliding bracket 46, and the width of the elongated guide hole 462 is greater than the diameter of the guide post 471. The adjustment screw 45 is rotatably mounted on the horizontal plate 463 of the sliding bracket 46. The upper end of the vertical shaft 43 has an axial threaded hole 431, and the lower end of the adjustment screw 45 screws into the threaded hole 431 of the vertical shaft 43.

[0043] The feeding device 100 includes a first linear module 51, a feeding frame 60, and an electric cylinder 52 serving as a lifting mechanism. The first linear modules 51 of the two feeding devices 100 are fixed side by side to the table 81 of the machine table 80 along the X-axis (X2) of the second XY coordinate system. The first linear modules 51 are arranged along the Y-axis (Y2) of the second XY coordinate system. The feeding frame 60 is arranged outside the corresponding first linear module 51 and includes a first linear guide pair 61, a base 62, and multiple vertically arranged feeding slides 60A. The lower ends of the multiple feeding slides 60A are fixed to the base 62 and are arranged equidistantly along the Y-axis (Y2) of the second XY coordinate system. The guide rails of the first linear guide pair 61 are fixed to the table 81 and arranged along the Y-axis (Y2) of the second XY coordinate system. The base 62 is fixed to the slider of the first linear guide pair 61 and is connected to the slider 511 of the corresponding first linear module 51. The base 62 has a corresponding lifting hole 621 below each feed chute 60A. Directly below the loading robot 200, the table 81 has a through hole 82 corresponding to the feed rack 60. The electric cylinder 52 is vertically arranged directly below the through hole 82. The push rod 521 of the electric cylinder 52 faces the through hole 82 and extends upward through the through hole 82. The through hole 82 and the lifting hole 621 on the corresponding feed rack 60 are located in the same vertical plane along the Y-axis (Y2) of the second XY coordinate system.

[0044] The feeding chute 60A includes an angle iron 63 and two vertical rods 64. The angle iron 63 is arranged vertically, and the bottom of the angle iron 63 is fixed on the base 62. One side 63A of the angle iron 63 is parallel to the X-axis (X2) of the second XY coordinate system, and the other side 63B of the angle iron 63 is parallel to the Y-axis (Y2) of the second XY coordinate system. The inner sides of the two sides of the angle iron 63 and the inner sides of the two vertical rods 64 jointly define the rectangular inner frame of the feeding chute 60A.

[0045] First upright 64A is secured to base 62 via a first support 65, which includes a fine-tuning mechanism 66 along the X-axis (X2) of the second XY coordinate system. Second upright 64B is secured to base 62 via a second support (located within the hollow cavity of base 62, not shown) which includes a fine-tuning mechanism along the Y-axis (Y2) of the second XY coordinate system.

[0046] The loading robot 200 includes a second linear module 71, a third linear module 72, a Z-axis rotation mechanism 73, and a gripper cylinder 74. The second linear module 71 is arranged along the X-axis (X2) direction of the second XY coordinate system. The fixed end of the second linear module 71 is fixed above the table 81 of the machine table 80 via a bracket 75. The cantilever end of the second linear module 71 is located directly above the double-end grinder fixture disk 90. ​​The third linear module 72 is vertically fixed to the slider 711 of the second linear module 71. The Z-axis rotation mechanism 73 includes a servo motor 731, a reducer 732, and a bracket 733. The bracket 733 is fixed to the slider 721 of the third linear module 72. The reducer 732 is mounted on the bracket 733 and is driven by the servo motor 731. The upper end of the clamping cylinder 74 is connected to the rotating shaft of the lower end of the reducer 732. The clamping cylinder 74 of the utility model embodiment of the double-end surface grinder rectangular workpiece feeding system includes the following working process:

[0047] 1) The two feeding devices 100 work alternately. When the feeding rack 60 of one feeding device 100 is feeding near the feeding position of the loading robot 200, the feeding rack 60 of the other feeding device is manually feeding away from the manual feeding position of the loading robot 100.

[0048] 2) After the loading robot 200 removes a stack of rectangular workpieces 01 from the feeding chute 60A at the feeding position, the through-beam sensor 02 is triggered, causing the push rod 521 of the corresponding electric cylinder 52 to lift the stack of rectangular workpieces upward to facilitate the next loading robot 200's gripper cylinder 74 to pick up the workpieces again;

[0049] 3) After all the rectangular workpieces in a feeding chute 60A are removed, the first linear module 51 of the corresponding feeding device 100 drives the feeding rack 60 to move forward by the pitch of the feeding chute 60A to continue feeding;

[0050] 4) After all rectangular workpieces in one feeding rack 60 are removed, the unloaded feeding rack 60 is driven by the first linear module 51 to return to the manual loading position for manual refilling, and the feeding rack 60 of the other feeding device 100 is driven by the first linear module 51 to move to the feeding position;

[0051] 5) When the fixture disk 90 of the double-end surface grinder 400 rotates to load materials, when a workpiece hole 91 on the fixture disk 90 rotates to the bottom of the blanking chute 20A of the clip-type loader 20, a rectangular workpiece 01 in the blanking chute 20A falls into the workpiece hole 91; during the continuous rotation of the fixture disk 90, the blanking chute 20A continuously feeds materials to the workpiece hole 91 on the fixture disk 90; when the rectangular workpiece 01 in the blanking chute 20A drops to a level just enough to place a stack of rectangular workpieces 01 clamped by the workpiece clamp 741 of the loading robot 200, the trigger sensor 03 sends a signal, and the loading robot 200 replenishes the clip-type loader 20, clamps a stack of rectangular workpieces 01 from the feeding device 100 and moves them to the blanking chute 20A of the clip-type loader 20.

Claims

1. A feeding system for rectangular workpieces of a double-end surface grinder, comprising a feeding manipulator and a feeding device, the feeding device being installed at the feeding position of the double-end surface grinder, characterized in that: The loading device includes a mounting bracket and a clip-type loader. The mounting bracket is fixed on the frame of the double-end face grinder and includes a horizontally arranged loader mounting plate. The clip-type loader includes a blanking slide and two mounting supports. The blanking slide includes two unequal angle irons and a baffle. The unequal angle irons and the baffle are arranged vertically. The bottom end of the blanking slide is close to the top surface of the double-end face grinder fixture disk. The origin of the first XY coordinate system is the center of the workpiece above the material level as the origin, the Y axis of the first XY coordinate system is the radial direction of the double-end face grinder fixture disk, and the X axis of the first XY coordinate system is the double-end face The tangent direction of the grinding machine fixture disk; the short sides of the two unequal angle irons are arranged opposite to each other, parallel to the X-axis of the first XY coordinate system, and on the same straight line, and the long sides of the two unequal angle irons are parallel to the Y-axis of the first XY coordinate system; the baffle is movably fixed on the inner side of the long side of the first unequal angle iron, close to the outer end of the long side of the first unequal angle iron; the middle parts of the long sides of the two unequal angle irons are respectively fixed on two mounting supports, the first mounting support is fixed on the top surface of the loader mounting plate, and the second mounting support can be movably fixed on the top surface of the mounting plate along the X-axis of the first XY coordinate system.

2. The feeding system according to claim 1, characterized in that: The short sides of the two unequal angle irons include an avoidance gap for the loading robot clamp. The mounting support is L-shaped, including a vertical plate and a horizontal plate. The fitting surface of the vertical plate and the long side of the unequal angle iron includes a vertically arranged positioning ridge, and the outer side surface of the long side of the unequal angle iron includes a vertically arranged positioning groove, and the positioning ridge is embedded in the positioning groove; the vertical plate and the long side of the unequal angle iron are fixed by screws, and the screw holes on the vertical plate are oblong holes, and the long axis of the oblong holes of the vertical plate is in the vertical direction; the horizontal plate of the mounting support is fixed to the mounting plate of the loader by screws, and the second mounting support is horizontal The screw holes on the plate are elongated holes, and the major axis of the elongated holes on the second mounting support horizontal plate is in the X-axis direction of the first XY coordinate system; the baffle is fixed to the long side of the first unequal angle iron by screws, and the top of the long side of the first unequal angle iron includes a plurality of separately arranged threaded holes along the Y-axis direction of the first XY coordinate system, near the outer end of the long side of the first unequal angle iron, and the top of the baffle includes an elbow, which rests on the top of the long side of the first unequal angle iron, and the elbow includes an elongated screw hole, and the major axis direction of the elongated screw hole is in the Y-axis direction of the first XY coordinate system.

3. The feeding system according to claim 1, characterized in that: The feeding device includes a radial fine-tuning mechanism, the mounting bracket includes an L-shaped bracket, the L-shaped bracket includes a vertical plate and a top plate, the vertical plate is fixed to the frame of the double-end surface grinder; the loader mounting plate is fixed to the top surface of the top plate of the L-shaped bracket by screws, the loader mounting plate includes two elongated screw holes arranged separately along the X-axis direction of the first XY coordinate system, and the long axis direction of the elongated screw holes of the loader mounting plate is the Y-axis direction of the first XY coordinate system; the radial fine-tuning mechanism includes a fine-tuning screw and a fine-tuning nut screwed with the front part of the fine-tuning screw, the fine-tuning screw is arranged along the Y-axis direction of the first XY coordinate system, and the rear part is rotatably mounted on the top plate of the L-shaped bracket; the fine-tuning nut is fixed to the rear end of the loader mounting plate along the Y-axis direction of the first XY coordinate system.

4. The feeding system according to claim 1, characterized in that: The loading device includes four elastic pressure wheels, which are installed on the loader mounting plate and arranged around the blanking slide. The rollers of the elastic pressure wheels press on the top surface of the double-end face grinder fixture disk, avoiding the workpiece hole of the double-end face grinder fixture disk.

5. The feeding system according to claim 4, characterized in that: The four elastic pressure wheels are separately arranged on the front and rear sides of the blanking slide along the Y-axis direction of the first XY coordinate system and on the left and right sides along the X-axis direction of the first XY coordinate system; the elastic pressure wheel includes a pressure wheel frame, a roller assembly, a vertical shaft, a spiral compression spring, an adjustment screw, a sliding bracket and a guide screw, and the pressure wheel frame is fixed on the loader mounting plate and includes a vertical shaft hole; the roller assembly includes a roller frame, the roller and a roller shaft, and the roller frame is fixed to the lower end of the vertical shaft; the vertical shaft passes through the vertical shaft hole of the pressure wheel frame and slides with the vertical shaft hole; the spiral compression spring is loosely sleeved on the vertical shaft and is located between the roller frame and the pressure wheel frame; the inverted L-shaped sliding bracket includes a vertical plate and a horizontal plate, the vertical plate of the sliding bracket includes a flat and long guide hole, the long axis of the flat and long guide hole is arranged vertically; the guide screw includes a guide column, and the guide column is located between the head of the guide screw and the thread; the vertical plate of the sliding bracket is arranged at one end of the side of the pressure wheel frame, and the one end of the side of the pressure wheel frame includes a threaded hole, the guide screw passes through the flat and long guide hole, and is screwed into the threaded hole on the side of the pressure wheel frame; the length of the guide column is greater than the thickness of the vertical plate of the sliding bracket, and the width of the flat and long guide hole is greater than the diameter of the guide column; the adjusting screw is rotatably mounted on the horizontal plate of the sliding bracket; the upper end of the vertical shaft includes a threaded hole, and the lower end of the adjusting screw is screwed into the threaded hole of the vertical shaft.

6. The feeding system according to claim 1, characterized in that: The machine comprises a frame and two sets of feeding devices, the frame comprises a machine table, the feeding device comprises a first linear module, a feeding rack and a lifting mechanism; the first linear modules of the two feeding devices are fixed on the table of the machine table in parallel along the X-axis direction of the second XY coordinate system and arranged along the Y-axis direction of the second XY coordinate system; the feeding rack is arranged on the outer side of the corresponding first linear module, the feeding rack comprises a first linear guide pair, a base and a plurality of vertically arranged feeding slides, the lower ends of the plurality of feeding slides are fixed on the base, and the lower ends of the plurality of feeding slides are fixed on the base, and the lower ends of the plurality of feeding slides are fixed along the Y-axis direction of the second XY coordinate system. The guide rails of the first linear guide pair are fixed on the table and arranged along the Y-axis direction of the second XY coordinate system. The base is fixed on the slider of the first linear guide pair and is connected to the slider of the corresponding first linear module. The base has corresponding lifting holes below the feeding slide, and there are through holes corresponding to the feeding rack on the table directly below the loading robot, and the lifting mechanism is arranged directly below the corresponding through holes. The through holes and the lifting holes on the corresponding feeding rack are located in the same vertical plane along the Y-axis direction of the second XY coordinate system.

7. The feeding system according to claim 6, characterized in that: The feeding chute includes an angle iron and two vertical poles. The angle iron is arranged vertically, and the bottom of the angle iron is fixed on the base. One side of the angle iron is parallel to the X-axis of the second XY coordinate system, and the other side of the angle iron is parallel to the Y-axis of the second XY coordinate system. The inner sides of the two sides of the angle iron and the inner sides of the two vertical poles jointly define the rectangular inner frame of the feeding chute.

8. The feeding system according to claim 7, characterized in that: The first upright is fixed to the base via a first support, which includes a fine-tuning mechanism along the X-axis direction of the second XY coordinate system; the second upright is fixed to the base via a second support, which includes a fine-tuning mechanism along the Y-axis direction of the second XY coordinate system.

9. The feeding system according to claim 1, characterized in that: The loading robot includes a second linear module, a third linear module, a Z-axis rotation mechanism and a clamping cylinder. The second linear module is arranged along the X-axis direction of the second XY coordinate system. The fixed end of the second linear module is fixed above the machine table through a bracket, and the cantilever end of the second linear module is located directly above the fixture disk of the double-end grinder; the third linear module is vertically fixed on the slider of the second linear module, and the Z-axis rotation mechanism is installed on the slider of the third linear module; the upper end of the clamping cylinder is connected to the rotating shaft at the lower end of the Z-axis rotation mechanism, the clamping claw of the clamping cylinder is facing downward, and the clamping claw of the clamping cylinder is equipped with a workpiece clamp.

10. The feeding system according to claim 6, characterized in that: The lifting mechanism includes an electric cylinder, which is vertically arranged just below the through hole, and a push rod of the electric cylinder passes through the through hole and extends upward.

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