CN114986267A

CN114986267A - Grinding device for processing metallurgical shear blade

Info

Publication number: CN114986267A
Application number: CN202210684760.3A
Authority: CN
Inventors: 陈家保; 陈功龙
Original assignee: Jiangsu Fengbao Metallurgical Equipment Co ltd
Current assignee: Jiangsu Fengbao Metallurgical Equipment Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-09-02

Abstract

A grinding device for processing a metallurgical shear blade comprises a feeding unit for feeding, a grinding unit for grinding, a first conveying belt for clamping and conveying, a mounting frame for mounting all parts and a discharging unit for discharging; the grinding unit comprises an upper-layer grinding structure, and the upper-layer grinding structure comprises an upper-layer mounting plate and a lower-layer mounting plate; the invention realizes the one-time processing of multiple surfaces of the shear blade, does not need to process multiple surfaces repeatedly, improves the processing efficiency and realizes the high automation of the shear blade processing; because the manual intervention is less, the error of the shear blade during processing is reduced, the precision of the shear blade processing is greatly improved, the scrap quantity is reduced, and the cost is saved.

Description

Grinding device for processing metallurgical shear blade

Technical Field

The invention relates to the field of machining, in particular to a grinding device for machining a metallurgical cutting edge.

Background

In the metallurgical technology, the shearing machine is used as an indispensable processing machine, the processing speed of the shearing machine determines the production efficiency of a factory, the shearing blade of the shearing machine has direct influence on the working efficiency of the shearing machine, the processing requirement of the shearing blade is very strict, grinding processing is used as an indispensable step in production and is completely finished manually at present, a worker needs to repeatedly turn over a plurality of surfaces of the shearing blade for processing during grinding processing, the requirement on the smoothness of each surface is guaranteed, the requirement on the size precision of each surface of the shearing blade is also guaranteed, allowance cannot be provided, excessive cutting cannot be achieved, a workpiece can be scrapped due to carelessness, the requirement on the worker is high, the yield of the shearing blade cannot be increased, and the manufacturing cost of the shearing blade is increased.

Disclosure of Invention

The invention aims to provide a grinding device for processing a metallurgical cutting edge.

The invention aims to realize the technical scheme that the device comprises a feeding unit for feeding, a grinding unit for grinding, a first conveyor belt for clamping and conveying, a mounting frame for mounting each part and a discharging unit for discharging;

the feeding unit, the grinding unit, the first conveyor belt and the discharging unit are all arranged in the mounting frame, and the mounting frame is arranged on the ground; a plurality of positioning grooves with the same interval are arranged on the first conveyor belt, and the shape and the size of each positioning groove are the same as the lower ends of the shear blades; the discharging port of the feeding unit corresponds to the first conveyor belt, the grinding unit is positioned above the stroke of the first conveyor belt, and the discharging unit is positioned at the tail end of the first conveyor belt;

the grinding unit comprises a first grinding assembly, the first grinding assembly comprises a first gear (41) and a grinding head, first stop blocks are arranged on the upper end surface and the lower end surface of the first gear (41), the first gear (41) and the two first stop blocks are connected through bearings, the first stop block arranged on the lower end surface of the first gear (41) is fixedly connected with one end of a first connecting rod, and the other end of the first connecting rod is connected with the grinding head through a bearing; a first mounting groove is formed in the first connecting rod, a first motor is fixedly connected in the first mounting groove, and an output shaft of the first motor movably penetrates through a first stop block on the lower end face of the first gear (41) and is fixedly connected with the first gear (41); a second mounting groove is formed in the first connecting rod, a second motor is fixedly connected in the second mounting groove, and an output shaft of the second motor is fixedly connected with the grinding head;

the grinding unit comprises an upper-layer grinding structure, the upper-layer grinding structure comprises an upper-layer mounting plate and a lower-layer mounting plate, a first through groove and a second through groove are formed in the upper-layer mounting plate, meshing strips capable of being meshed with a first gear (41) are arranged on the inner walls of the first through groove and the second through groove, one end of the second through groove is communicated with the first through groove, the other end of the second through groove is communicated with a conversion mechanism, a first central plate is arranged at the central position of the first through groove, the first central plate and the inner wall of the first through groove enclose a first grinding rail for a grinding head to move around the upper portion of a cutting edge, and the two first baffles can be respectively positioned on the upper end face and the lower end face of the upper-layer mounting plate;

the utility model discloses a grinding machine, including lower floor's mounting panel, first well core plate, second well core plate, first gear (41) and second well core plate, it leads to groove and fourth to have seted up the third on the mounting panel of lower floor, and the third leads to all to be provided with on the inner wall that groove and fourth led to the groove can with the meshing strip of first gear (41) meshing, the one end and the fourth well core plate intercommunication that the groove was led to the third, the other end and the shifter intercommunication that the groove was led to the third, fourth well core plate central point puts the department and is provided with the second well core plate, and the second well core plate encloses into the second grinding rail that is used for the grinding head to move around the cutting edge middle part with the inner wall that the groove was led to the fourth, two first baffles can be located respectively two upper and lower terminal surfaces of lower floor's mounting panel, the terminal surface of second well core plate pass through the spliced pole with first well core plate lower terminal surface rigid coupling, first well core plate up end passes through second spliced pole and mounting bracket rigid coupling.

Preferably, the grinding unit further comprises a conversion mechanism, the conversion mechanism further comprises a fixed block, a lifting platform and a second air cylinder, the fixed block is fixedly connected with the two layers of track layers, the lifting platform is mounted on the fixed block in a vertically sliding mode, the lifting platform is further provided with an induction switch, the induction switch is electrically connected with a control chip, the control chip is electrically connected with the second air cylinder, the telescopic end of the air cylinder is fixedly connected with the lifting platform, and the air cylinder is fixedly connected with the fixed block; the lifting platform is provided with a groove communicated with the second through groove and the third through groove, a second rack is arranged on the inner wall of the groove, and the first gear (41) can be meshed with the second rack through the first rack.

Preferably, the feeding unit comprises a vibrating disc, a positioning box and a pressure block, the positioning box is positioned above the first conveyor belt, a channel penetrating through the upper end surface and the lower end surface of the positioning box is arranged in the positioning box, the size and the shape of the channel are the same as those of a shear blade at the lower end, the lower end of an outlet of the channel can correspond to the positioning groove on the first conveyor belt, an inlet at the upper end corresponds to one end of a guide inclined plane, the other end of the guide inclined plane corresponds to an outlet of the second conveyor belt, and an inlet of the second conveyor belt corresponds to an outlet of the vibrating disc; the pressure plate is fixedly connected with the telescopic end of the first cylinder, the first cylinder is fixedly connected with the mounting frame, and the first cylinder can drive the pressure plate to ascend and descend along the direction of the channel.

Preferably, the grinding unit further comprises a lower layer grinding structure, the lower layer grinding structure is arranged above the first conveyor belt and is positioned behind the first mounting plate and the second mounting plate, and the lower layer grinding structure comprises a mounting box, a first ejector rod, a first worm gear, a second transmission rod, a second worm gear, a third transmission rod, a third worm gear, a second ejector rod, a first limiting block, a tension spring, a fourth worm gear and a fourth motor;

the top of the mounting box is arranged on the mounting frame in a left-right sliding mode through a hanging table, a fourth motor is arranged on the hanging table on one side, close to the upper grinding structure, of the mounting box, a fourth turbine is fixedly connected to a power output shaft of the fourth motor, the fourth turbine is meshed with a fourth worm, the fourth worm is rotatably arranged on the hanging table through a fourth transmission shaft, and a rolling wheel matched with the mounting frame is further arranged on the fourth transmission shaft;

a clamping groove is formed in the installation box, the forming direction of the clamping groove is consistent with the moving direction of the first conveyor belt, the clamping groove and the upper end of the shearing blade are the same in shape and size, and an opening is formed in one side, close to the upper-layer grinding structure, of the clamping groove and is communicated with the outside;

the first limiting block is slidably arranged in the installation box, one end of the first limiting block is fixedly connected with a hook, and the hook is matched with the outer wall of the installation box; a first ejector rod is further arranged in the mounting box in a sliding mode, the sliding direction of the first ejector rod is consistent with the length direction of the clamping groove, and the first ejector rod can extend into the clamping groove and is matched with a first limiting block to limit the cutting edge; one end, opposite to the hook, of the first limiting block is fixedly connected with one end of the second ejector rod, the other end of the second ejector rod is fixedly connected with a tension spring, the tension spring is fixedly connected with the inner wall of the installation box, a screw rod is arranged on the second transmission rod, a third turbine is arranged on the screw rod, and the third turbine is in threaded connection with the screw rod; the third worm wheel is meshed with the third worm rod, the third worm is fixedly connected with one end of a second transmission rod, the other end of the second transmission rod is fixedly connected with the second worm wheel, the second transmission rod is rotatably installed in the installation box, the second worm wheel is meshed with the second worm, the second worm is fixedly connected with one end of a first transmission rod, the other end of the first transmission rod is fixedly connected with the first worm wheel, the first worm wheel is meshed with the first worm, and the first transmission rod is rotatably installed in the installation box;

preferably, the grinding unit further comprises a second grinding assembly and a third mounting plate, the second grinding assembly is identical to the first grinding assembly in structure, the third mounting plate is arranged at the tail end of the first conveying belt, a fifth through groove is formed in the third mounting plate, meshing strips capable of being meshed with the first gear (41) are arranged on the inner wall of the fifth through groove, a third central plate is arranged at the center of the fifth through groove, a third grinding rail used for a grinding head to move around the lower portion of the cutting edge is surrounded by the inner walls of the third central plate and the fifth through groove, the two first baffles can be respectively located on the upper end face and the lower end face of the third mounting plate, and the third central plate is connected with the ground through a second connecting column.

As preferred, arrange the material unit including arranging the workbin, triggering board and striker plate, it sets up to arrange the workbin the one end of first conveyer belt is kept away from to the fifth mounting panel, it is in to arrange the workbin the below of mounting box, it sets up to trigger the board one side of couple, and highly and couple highly uniform, trigger the board can with the couple cooperation, trigger the board with arrange the workbin rigid coupling, the striker plate with arrange the workbin rigid coupling, and the direction with first conveyer belt direction of motion is unanimous.

Due to the adoption of the technical scheme, the invention has the following advantages:

1. the high mechanization ensures that the precision of each workpiece is consistent, and the condition of inequality can not occur;

2. all work of the workpiece is finished in one line, and a machining missing surface cannot occur;

3. the device is highly mechanized, the workload of workers is reduced, and the expenditure is saved;

4. the integrated operation is realized, the operation is simple, the requirement on workers is low, and a high-level technician is not required to ensure the precision;

5. as long as the workpiece is arranged in the vibration disc, the machine can work for 24 hours, and the yield is high;

6. the full mechanical control can not cause the scrapping of the workpiece due to the over-cutting of the machining, and the cost is saved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.

Drawings

The drawings of the present invention are described below.

FIG. 1 is a schematic view of the present invention.

FIG. 2 is a schematic view of a feed unit of the present invention.

Figure 3 is a schematic view of the grinding of the upper end and terminal end of the cutting edge of the present invention.

Figure 4 is a schematic view of the grinding of the lower end of the cutting edge of the present invention.

Figure 5 is a schematic diagram of the grinding assembly of the present invention.

FIG. 6 is a schematic view of a discharge unit according to the present invention.

Fig. 7 is a schematic space view of the grinding unit mounting box of the present invention.

Fig. 8 is a schematic view of the internal space structure of the installation box of the present invention.

Fig. 9 is a schematic view of the structure of the upper and lower layers of mounting plates according to the present invention.

In the figure: 1. a feed unit; 2. a grinding unit; 3. a first conveyor belt; 4. a mounting frame; 5. a discharge unit; 6. first, the

A stop block; 7. grinding the head; 8. a switching mechanism; 9. a fixed block; 10. a lifting platform; 11. positioning a groove; 12. an inductive switch; 13. a vibrating pan; 14. a positioning box; 15. a pressure block; 16. installing a box; 17. an upper mounting plate;

18. a lower mounting plate; 19. a discharge box; 20. a trigger plate; 21. a first worm gear; 22. a second transmission rod;

23. a second cylinder; 24. a first cylinder; 25. a first ejector rod; 26. a second ejector rod; 28. a first stopper;

29. a card slot; 30. a tension spring; 31. a first motor; 32. a second motor; 33. a third mounting plate; 34. a striker plate;

35. a second worm gear; 36. a third transmission rod; 37. a third worm gear; 38. a fourth worm gear; 39. a first grinding assembly; 40. a second grinding assembly; 41. a first gear; 42. a first connecting rod; 43. a first center plate;

44. a second center plate; 45. a third center panel; 46. a first through groove; 47. a second through groove; 48. a third through groove; 49. a fourth through groove; 50. and a fifth through groove.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the drawings.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, 2, 3 and 5, a grinding device for processing a metallurgical cutting edge comprises a feeding unit 1 for feeding, a grinding unit 2 for grinding, a first conveyor belt 3 for clamping and conveying, a mounting frame 4 for mounting each part and a discharging unit 5 for discharging;

the feeding unit 1, the grinding unit 2, the first conveyor belt 3 and the discharging unit 5 are all arranged in the mounting frame 4, and the mounting frame 4 is arranged on the ground; a plurality of positioning grooves 11 with the same interval are arranged on the first conveyor belt 3, and the shape and the size of each positioning groove 11 are the same as the lower ends of the shear blades; the discharge hole of the feeding unit 1 corresponds to the first conveyor belt 3, the grinding unit 2 is positioned above the stroke of the first conveyor belt 3, and the discharging unit 5 is positioned at the tail end of the first conveyor belt 3;

the grinding unit 2 comprises a first grinding assembly 39, the first grinding assembly 39 comprises a first gear 41 and a grinding head 7, first stop blocks 6 are arranged on the upper end surface and the lower end surface of the first gear 41, the first gear 41 and the two first stop blocks 6 are connected through bearings, the first stop block 6 on the lower end surface of the first gear 41 is fixedly connected with one end of a first connecting rod 42, and the other end of the first connecting rod 42 is connected with the grinding head 7 through a bearing; a first mounting groove is formed in the first connecting rod 42, a first motor 31 is fixedly connected in the first mounting groove, and an output shaft of the first motor 31 movably penetrates through a first stop block 6 on the lower end face of the first gear 41 and is fixedly connected with the first gear 41; a second mounting groove is further formed in the first connecting rod 42, a second motor 32 is fixedly connected in the second mounting groove, and an output shaft of the second motor 32 is fixedly connected with the grinding head 7;

the grinding unit 2 comprises an upper-layer grinding structure, the upper-layer grinding structure comprises an upper-layer mounting plate 17 and a lower-layer mounting plate 18, the upper-layer mounting plate 17 is provided with a first through groove 46 and a second through groove 47, the inner walls of the first through groove 46 and the second through groove 47 are respectively provided with a meshing strip capable of meshing with the first gear 41, one end of the second through groove 47 is communicated with the first through groove 46, the other end of the second through groove 47 is communicated with the switching mechanism 8, a first central plate 43 is arranged at the central position of the first through groove 46, the first central plate 43 and the inner wall of the first through groove 46 enclose a first grinding rail for the grinding head 7 to move around the upper part of the shearing edge, and the two first baffles can be respectively positioned on the upper end face and the lower end face of the upper-layer mounting plate 17;

the upper end face of the second central plate 44 is fixedly connected with the lower end face of the first central plate 43 through a connecting column, and the upper end face of the first central plate 43 is fixedly connected with the mounting rack through a second connecting column.

In this embodiment, the cutting edge is placed in the feed unit during operation, and the feed unit will wait to process the cutting edge and transmit to first conveyer belt in proper order on to fix in the constant head tank on first conveyer belt, the vertical joint of cutting edge is in the constant head tank this moment, and the upper portion and the middle part of cutting edge stretch out first conveyer belt upper surface. Then the shear blade is conveyed to the lower part of the grinding unit by a conveying belt, the grinding head moves along a first through groove on the upper mounting plate under the driving of a first motor, the shape of the first through groove corresponds to the shape of the upper part of the shear blade, the grinding head finishes the grinding work of the upper layer of the shear blade under the driving of a second motor, after the grinding of the upper layer and the middle layer is finished, the grinding head enters a third through groove of the lower mounting plate along the second through groove of the upper mounting plate to grind the middle part of the shear blade, and after the grinding is finished, the grinding head returns to the upper mounting plate through a fourth through groove;

the two first stop blocks can respectively clamp the two layers of mounting plates, so that unstable clamping and up-and-down movement caused by shaking during machining of the grinding head can be prevented, and the machining precision is ensured; the first motor controls the first gear 41 to rotate, and drives the grinding head to move along the tracks of the two layers of mounting plates, so that the processing of the shapes of different parts of the shear blade is respectively completed; the second motor provides power for the grinding head;

the inner walls of the upper and lower layers of mounting plates and the outer diameters of the two central plates form different tracks, the two different tracks respectively correspond to the upper appearance and the middle appearance of the shear blade, and meanwhile, racks meshed with the gears are arranged on the inner walls of the upper and lower layers of mounting plates, so that the grinding head can advance or pause more accurately during machining, and the machining precision of the shear blade is ensured.

As shown in fig. 3, the grinding unit 2 further includes a switching mechanism 8, the switching mechanism 8 further includes a fixed block 9, a lifting platform 10 and a second cylinder 23, the fixed block 9 is fixedly connected to the two track layers, the lifting platform 10 is slidably mounted on the fixed block 9 up and down, the lifting platform 10 is further provided with an inductive switch 12, the inductive switch 12 is electrically connected to a control chip, the control chip is electrically connected to the second cylinder 23, the telescopic end of the cylinder is fixedly connected to the lifting platform 10, and the cylinder is fixedly connected to the fixed block 9; the lifting platform 10 is provided with a groove communicated with the second through groove 47 and the third through groove 48, the inner wall of the groove is provided with a second rack, and the first gear 41 can be meshed with the second rack through the first rack.

In this embodiment, when the first gear 41 has gone through the track of one deck mounting panel, get into the lift platform through the second or third through groove 48, first dog touch inductive switch during the entering, make the first motor stall, the second cylinder works, let the second cylinder of installing on the fixed plate drive lift platform and the grinding subassembly on the platform and reciprocate, when the layer is changed, the first motor begins the reversal, accomplish the processing on present layer, when the grinding subassembly moves to the starting point, accomplish the processing of a work piece promptly, first conveyer belt can work, switch next work piece and get into fixed operating position.

As shown in fig. 2, the feeding unit 1 includes a vibration disc 13, a positioning box 14 and a pressure block 15, the positioning box 14 is located above the first conveyor belt 3, a channel penetrating through the upper and lower end surfaces of the positioning box 14 is arranged in the positioning box 14, the size and shape of the channel are the same as the size and shape of a lower end shear blade, the lower end of an outlet of the channel can correspond to the positioning groove 11 on the first conveyor belt 3, an inlet of the upper end corresponds to one end of a guide inclined plane, the other end of the guide inclined plane corresponds to an outlet of the second conveyor belt, and an inlet of the second conveyor belt corresponds to an outlet of the vibration disc 13; a pressure block 15 is arranged above the channel, the pressure plate is fixedly connected with the telescopic end of a first air cylinder 24, the first air cylinder 24 is fixedly connected with the mounting frame 4, and the first air cylinder 24 can drive the pressure plate to lift up and down along the channel direction.

In this embodiment, the work piece that earlier stage was processed is put into the vibration dish, and the vibration dish is adjusted the work piece to the assigned direction, gets into the locating box through the second conveyer belt in proper order, and through the direction of the passageway of locating box, and the pressing of pressure plate, the work piece is installed on first conveyer belt according to specific direction, accomplishes the automatic feeding of work piece, gets into the preparation state before the grinding.

As shown in fig. 7 and 8, the grinding unit 2 further includes a lower layer grinding structure, the lower layer grinding structure is disposed above the first conveyor belt 3 and behind the first mounting plate and the second mounting plate, and the lower layer grinding structure includes a mounting box 16, a first ejector rod 25, a first worm gear 21, a second transmission rod 22, a second worm gear 35, a third transmission rod 36, a third worm gear 37, a second ejector rod 26, a first limiting block 28, a tension spring 30, a fourth worm gear 38, and a fourth motor;

the top of the installation box 16 is arranged on the installation frame 4 in a left-right sliding mode through a hanging table, a fourth motor is arranged on the hanging table on one side, close to the upper grinding structure, of the installation box 16, a fourth turbine is fixedly connected to a power output shaft of the fourth motor, the fourth turbine is meshed with a fourth worm rod, the fourth worm rod is rotatably arranged on the hanging table through a fourth transmission shaft, and a rolling wheel matched with the installation frame 4 is further arranged on the fourth transmission shaft;

a clamping groove 29 is formed in the mounting box 16, the opening direction of the clamping groove 29 is consistent with the movement direction of the first conveyor belt 3, the shape and the size of the clamping groove 29 are the same as those of the upper end of the shear blade, and an opening is formed in one side, close to the upper grinding structure, of the clamping groove 29 and communicated with the outside;

the first limit block 28 is slidably mounted in the mounting box 16, one end of the first limit block 28 is fixedly connected with a hook, and the hook is matched with the outer wall of the mounting box 16; a first ejector rod 25 is further slidably arranged in the mounting box 16, the sliding direction of the first ejector rod 25 is consistent with the length direction of the clamping groove 29, and the first ejector rod 25 can extend into the clamping groove 29 and be matched with a first limiting block 28 to limit a cutting edge; one end, opposite to the hook, of the first limiting block 28 is fixedly connected with one end of the second ejector rod 26, the other end of the second ejector rod 26 is fixedly connected with a tension spring 30, the tension spring 30 is fixedly connected with the inner wall of the installation box 16, a screw rod is arranged on the second transmission rod 22, a third turbine is arranged on the screw rod, and the third turbine is in threaded connection with the screw rod; a third worm wheel is meshed with a third worm rod, the third worm rod is fixedly connected with one end of a second transmission rod 22, the other end of the second transmission rod 22 is fixedly connected with a second worm wheel, the second transmission rod 22 is rotatably installed in the installation box 16, the second worm wheel is meshed with the second worm rod, the second worm rod is fixedly connected with one end of a first transmission rod, the other end of the first transmission rod is fixedly connected with a first worm wheel, the first worm wheel is meshed with the first worm rod, and the first transmission rod is rotatably installed in the installation box 16;

in the embodiment, a workpiece enters a clamping groove in an installation box through an opening of the clamping groove under the driving of a first conveyor belt, the workpiece cannot fall off when the front end of the clamping groove is matched with the workpiece, the workpiece pushes a first ejector rod when entering, a thread on the first ejector rod drives a first turbine worm to rotate, a first impeller worm drives a second turbine worm to rotate through a first transmission rod, the second turbine worm drives a third turbine worm to rotate through a second transmission rod, the third turbine worm enables a second ejector rod to extend out through the thread on the second ejector rod, and simultaneously pushes a first limiting block to extend out and block the workpiece, so that the workpiece cannot fall off, and the follow-up processing is guaranteed; the four hanging platforms above the installation box can enable the installation box to be hung on the installation frame more firmly, and the fourth motor drives the rolling wheels to move to the designated positions on the installation plate;

after the workpiece is installed in the installation box in a matched mode, the first conveying belt and the installation box move simultaneously, when the workpiece is located at the corner of the first conveying belt, the workpiece is separated from the first conveying belt, and the installation box continues to move to enter the next machining point.

As shown in fig. 4 and 5, the grinding unit 2 further includes a second grinding assembly 40 and a third mounting plate 33, the second grinding assembly 40 and the first grinding assembly 39 have the same structure, the third mounting plate 33 is disposed at the end of the first conveyor belt 3, a fifth through groove 50 is disposed on the third mounting plate 33, meshing bars capable of meshing with the first gear 41 are disposed on inner walls of the fifth through groove 50, a third central plate 45 is disposed at a center of the fifth through groove 50, the third central plate 45 and inner walls of the fifth through groove 50 enclose a third grinding rail for the grinding head 7 to move around the lower portion of the cutting edge, the two first baffles can be disposed on upper and lower end surfaces of the third mounting plate respectively, and the third central plate 45 is connected with the ground through a second connecting column.

In this embodiment, the through slot of the third mounting plate and the third central plate 45 form a third track, so that the grinding assembly follows the track similar to the shape of the lower end of the workpiece when moving on the third track, and the grinding assembly can complete the processing of the lower end of the workpiece.

As shown in fig. 6, discharge unit 5 is including arranging workbin 19, triggering board 20 and striker plate 34, arrange workbin 19 and set up the one end that first conveyer belt 3 was kept away from to the fifth mounting panel, it is in to arrange workbin 19 the below of mounting box 16, trigger board 20 and set up one side of couple, and highly with the highly uniform of couple, trigger board 20 can with the couple cooperation, trigger board 20 with arrange workbin 19 rigid coupling, striker plate 34 with arrange workbin 19 rigid coupling, and the direction with first conveyer belt 3 direction of motion is unanimous.

In this embodiment, when the install bin moved row material case top, trigger the board and touch the couple, first stopper and the withdrawal of second ejector pin under the effect of extension spring make the removal of first stopper can not restrict the work piece again, first, second, under the transmission of third turbine worm, first ejector pin stretches out, ejecting work piece upper end, the removal of cooperation install bin simultaneously, the striker plate blocks the work piece lower extreme, make the smooth-going ejecting install bin of work piece, there is not ejecting disequilibrium to cause the work piece to scrape the flower and cause the work piece to scrap in the install bin.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims

1. The grinding device for processing the metallurgical cutting edge is characterized by comprising a feeding unit (1) for feeding, a grinding unit (2) for grinding, a first conveying belt (3) for clamping and conveying, a mounting frame (4) for mounting each part and a discharging unit (5) for discharging;

the feeding unit (1), the grinding unit (2), the first conveyor belt (3) and the discharging unit (5) are all arranged in the mounting frame (4), and the mounting frame (4) is arranged on the ground; a plurality of positioning grooves (11) with the same interval are formed in the first conveyor belt (3), and the shape and the size of each positioning groove (11) are the same as those of the lower end of each shear blade; the discharge hole of the feeding unit (1) corresponds to the first conveyor belt (3), the grinding unit (2) is positioned above the stroke of the first conveyor belt (3), and the discharging unit (5) is positioned at the tail end of the first conveyor belt (3);

the grinding unit (2) comprises a first grinding assembly (39), the first grinding assembly (39) comprises a first gear (41) and a grinding head (7), first stop blocks (6) are arranged on the upper end surface and the lower end surface of the first gear (41), the first gear (41) and the two first stop blocks (6) are connected through bearings, the first stop block (6) on the lower end surface of the first gear (41) is fixedly connected with one end of a first connecting rod (42), and the other end of the first connecting rod (42) is connected with the grinding head (7) through bearings; a first mounting groove is formed in the first connecting rod (42), a first motor (31) is fixedly connected in the first mounting groove, and an output shaft of the first motor (31) movably penetrates through a first stop block (6) on the lower end face of the first gear (41) and is fixedly connected with the first gear (41); a second mounting groove is further formed in the first connecting rod (42), a second motor (32) is fixedly connected in the second mounting groove, and an output shaft of the second motor (32) is fixedly connected with the grinding head (7);

the grinding unit (2) comprises an upper-layer grinding structure which comprises an upper-layer mounting plate (17) and a lower-layer mounting plate (18), a first through groove (46) and a second through groove (47) are arranged on the upper mounting plate (17), the inner walls of the first through groove (46) and the second through groove (47) are respectively provided with a meshing strip which can be meshed with the first gear (41), one end of the second through groove (47) is communicated with the first through groove (46), the other end of the second through groove (47) is communicated with the conversion mechanism (8), a first central plate (43) is arranged at the center of the first through groove (46), the first central plate (43) and the inner wall of the first through groove (46) enclose a first grinding rail for the grinding head (7) to move around the upper part of the cutting edge, the two first baffle plates can be respectively positioned on the upper end surface and the lower end surface of the upper-layer mounting plate (17);

a third through groove (48) and a fourth through groove (49) are arranged on the lower mounting plate (18), the inner walls of the third through groove (48) and the fourth through groove (49) are provided with meshing strips which can be meshed with the first gear (41), one end of the third through groove (48) is communicated with the fourth through groove (49), the other end of the third through groove (48) is communicated with the conversion mechanism (8), a second central plate (44) is arranged at the center of the fourth through groove (49), a second grinding rail for the grinding head (7) to move around the middle part of the cutting edge is surrounded by the second central plate (44) and the inner wall of the fourth through groove (49), the two first baffle plates can be respectively positioned on the upper end surface and the lower end surface of the lower layer mounting plate (18), the upper end surface of the second central plate (44) is fixedly connected with the lower end surface of the first central plate (43) through a connecting column, the upper end face of the first central plate (43) is fixedly connected with the mounting frame through a second connecting column.

2. The grinding device for the metallurgical cutting edge processing according to the claim, characterized in that the grinding unit (2) further comprises a conversion mechanism (8), the conversion mechanism (8) further comprises a fixed block (9), a lifting platform (10) and a second cylinder (23), the fixed block (9) is fixedly connected with two layers of track layers, the lifting platform (10) can be mounted on the fixed block (9) in a vertically sliding manner, the lifting platform (10) is further provided with an inductive switch (12), the inductive switch (12) is electrically connected with a control chip, the control chip is electrically connected with the second cylinder (23), the telescopic end of the cylinder is fixedly connected with the lifting platform (10), and the cylinder is fixedly connected with the fixed block (9); the lifting platform (10) is provided with a groove communicated with the second through groove (47) and the third through groove (48), the inner wall of the groove is provided with a second rack, and the first gear (41) can be meshed with the second rack through the first rack.

3. The grinding device for the metallurgical cutting edge machining according to the claim, wherein the feeding unit (1) comprises a vibrating disk (13), a positioning box (14) and a pressure block (15), the positioning box (14) is positioned above the first conveyor belt (3), a channel penetrating through the upper end surface and the lower end surface of the positioning box (14) is arranged in the positioning box (14), the size and the shape of the channel are the same as those of the lower end cutting edge, the lower end of the channel outlet can correspond to the positioning groove (11) on the first conveyor belt (3), the inlet of the upper end corresponds to one end of a guide inclined surface, the other end of the guide inclined surface corresponds to the outlet of the second conveyor belt, and the inlet of the second conveyor belt corresponds to the outlet of the vibrating disk (13); the pressure plate is characterized in that a pressure block (15) is arranged above the channel, the pressure plate is fixedly connected with a telescopic end of a first air cylinder (24), the first air cylinder (24) is fixedly connected with an installation frame (4), and the first air cylinder (24) can drive the pressure plate to ascend and descend along the direction of the channel.

4. The grinding device for processing the metallurgical cutting edge is characterized in that the grinding unit (2) further comprises a lower layer grinding structure, the lower layer grinding structure is arranged above the first conveyor belt (3) and is positioned behind the first mounting plate and the second mounting plate, and the lower layer grinding structure comprises a mounting box (16), a first ejector rod (25), a first worm gear (21), a second transmission rod (22), a second worm gear (35), a third transmission rod (36), a third worm gear (37), a second ejector rod (26), a first limiting block (28), a tension spring (30), a fourth worm gear (38) and a fourth motor;

the top of the installation box (16) is arranged on the installation frame (4) in a manner of sliding left and right through a hanging table, a fourth motor is arranged on the hanging table at one side of the installation box (16) close to the upper grinding structure, a power output shaft of the fourth motor is fixedly connected with a fourth turbine, the fourth turbine is meshed with a fourth worm wheel, the fourth worm wheel is rotatably arranged on the hanging table through a fourth transmission shaft, and the fourth transmission shaft is also provided with a rolling wheel matched with the installation frame (4);

a clamping groove (29) is formed in the mounting box (16), the opening direction of the clamping groove (29) is consistent with the movement direction of the first conveyor belt (3), the shape and the size of the clamping groove (29) are the same as those of the upper end of the shear blade, and an opening is formed in one side, close to the upper grinding structure, of the clamping groove (29) and communicated with the outside;

the first limiting block (28) is slidably mounted in the mounting box (16), one end of the first limiting block (28) is fixedly connected with a hook, and the hook is matched with the outer wall of the mounting box (16); a first ejector rod (25) is further arranged in the mounting box (16) in a sliding mode, the sliding direction of the first ejector rod (25) is consistent with the length direction of the clamping groove (29), and the first ejector rod (25) can extend into the clamping groove (29) to be matched with a first limiting block (28) to limit a shear blade; one end, opposite to the hook, of the first limiting block (28) is fixedly connected with one end of the second ejector rod (26), the other end of the second ejector rod (26) is fixedly connected with a tension spring (30), the tension spring (30) is fixedly connected with the inner wall of the installation box (16), a screw rod is arranged on the second transmission rod (22), a third turbine is arranged on the screw rod, and the third turbine is in threaded connection with the screw rod; the third turbine meshes with the third scroll bar, the one end rigid coupling of third worm and second transfer line (22), the other end and the second turbine rigid coupling of second transfer line (22), rotatable the installing in install bin (16) of second transfer line (22), the second turbine meshes with the second worm, second worm and first transfer line one end rigid coupling, the other end and the first turbine rigid coupling of first transfer line, first turbine meshes with first worm, rotatable the installing in install bin (16) of first transfer line.

5. The grinding device for processing the metallurgical cutting edge as claimed in the claim, wherein the grinding unit (2) further comprises a second grinding assembly (40) and a third mounting plate (33), the second grinding assembly (40) and the first grinding assembly (39) have the same structure, the third mounting plate (33) is provided at the end of the first conveyor belt (3), a fifth through groove (50) is formed on the third mounting plate (33), the inner walls of the fifth through groove (50) are provided with a mesh strip capable of meshing with the first gear (41), a third central plate (45) is arranged at the center of the fifth through groove (50), the inner walls of the third central plate (45) and the fifth through groove (50) enclose a third grinding rail for the grinding head (7) to move around the lower portion of the cutting edge, the first baffle plates are respectively located at the upper end surface and the lower end surface of the third mounting plate, the third central plate (45) is connected with the ground through a second connecting column.

6. The grinding device for the metallurgical cutting edge machining is characterized in that the discharging unit (5) comprises a discharging box (19), a triggering plate (20) and a material baffle plate (34), the discharging box (19) is arranged at one end, far away from the first conveying belt (3), of the fifth mounting plate, the discharging box (19) is arranged below the mounting box (16), the triggering plate (20) is arranged on one side of the hook, the height of the triggering plate is consistent with the height of the hook, the triggering plate (20) can be matched with the hook, the triggering plate (20) is fixedly connected with the discharging box (19), and the material baffle plate (34) is fixedly connected with the discharging box (19) and the direction of the triggering plate is consistent with the moving direction of the first conveying belt (3).