CN113941906A

CN113941906A - Blade grinding machine

Info

Publication number: CN113941906A
Application number: CN202111167036.5A
Authority: CN
Inventors: 颜敏当; 颜宁宁
Original assignee: Zhejiang Taixing Intelligent Equipment Co ltd
Current assignee: Zhejiang Taixing Intelligent Equipment Co ltd
Priority date: 2021-10-01
Filing date: 2021-10-01
Publication date: 2022-01-18

Abstract

The invention belongs to the technical field of machining, and provides a blade grinding machine which comprises a workbench; the device comprises a truss, a blade clamping mechanism, a grinding wheel mechanism, an ejector rod mechanism, a positioning mechanism and a feeding mechanism, wherein the truss, the blade clamping mechanism, the grinding wheel mechanism, the ejector rod mechanism, the positioning mechanism and the feeding mechanism are arranged on a workbench; the invention has the advantages that: the automatic chamfering machine has higher automation degree, can realize automatic chamfering of the circular blade, improves the processing efficiency of the blade and greatly improves the processing precision.

Description

Blade grinding machine

Technical Field

The invention belongs to the technical field of machining, and relates to a blade grinding machine.

Background

In order to improve the impact strength of the cutting edge of the blade in the production process of the CBN blade and the PCD blade, chamfering is generally required to be carried out on the cutting edge of the blade, the width and the angle of the chamfering of the cutting edge are different according to different use requirements, and meanwhile, the chamfering treatment has great influence on the use of the blade, so the precision requirement of chamfering is also high.

At present, the cutting edges of CBN blades and PCD blades are chamfered, and are generally processed by a bare-handed sharpening or numerical control grinding machine. The method for sharpening the blade by the bare hand is simple, but the chamfering precision is not high, the chamfering size is different on the whole circumferential cutting edge of the blade, the using effect of the blade is influenced, and meanwhile, the method for sharpening the blade by the bare hand is low in efficiency, high in labor intensity and high in requirement on experience of operators; the precision of the chamfering of the whole circumference of the cutting edge can be well guaranteed by adopting the numerically controlled grinder, but the chamfering of the numerically controlled grinder has low efficiency and high cost, and the popularization and the application of the chamfering are limited.

Patent No. cn202110174632.x discloses an automatic grinding machine, which effectively solves the above problems and improves the working efficiency, but the machining precision of the product cannot be effectively guaranteed as the working time of the equipment increases in the actual production, and the position of the blade clamping mechanism needs to be recalibrated to ensure the precision of the produced product after the operation is often required for a period of time, so that the production efficiency and the precision of the produced product are affected.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a blade grinding machine, which aims to solve the technical problems that: how to improve the processing precision of a blade grinding machine.

The purpose of the invention can be realized by the following technical scheme:

a blade grinder, characterized in that the blade grinder comprises:

a work table;

a truss arranged on the workbench;

the blade clamping mechanism is arranged on the workbench and used for clamping the blade;

the grinding wheel mechanism is arranged on the workbench, a grinding wheel disc in the grinding wheel mechanism can move towards the blade clamping mechanism under the action of the driving mechanism and is in contact with the blade at the blade clamping mechanism, and an included angle is formed between the axis of the grinding wheel disc and the axis of the blade at the blade clamping mechanism;

the ejector rod mechanism is arranged on the truss, an ejector rod in the ejector rod mechanism can move towards the blade clamping mechanism under the action of a driving source and is in contact with a blade at the blade clamping mechanism to assist the blade clamping mechanism in clamping the blade;

the positioning mechanism is arranged on the truss, and a positioning needle in the positioning mechanism can move towards the blade clamping mechanism under the action of a driving source, is in contact with the blade at the blade clamping mechanism and is used for determining the position of the blade at the blade clamping mechanism;

and the feeding mechanism is arranged on the truss and used for conveying the blade in the feeding area on the truss to the blade clamping mechanism and conveying the processed blade in the blade clamping mechanism to the discharging area on the truss.

The working principle is as follows: placing a blade to be processed in a feeding area of a truss, conveying the blade to be processed to a blade clamping mechanism from the feeding area by a feeding mechanism, then pushing the blade to be processed to the end surface of the blade through an ejector rod of a driving ejector rod mechanism, pushing the blade tightly against the blade clamping mechanism through the ejector rod to assist the blade clamping mechanism in clamping the blade to be processed, accurately fixing the position of the blade, clamping the blade to be processed by the blade clamping mechanism, then driving a positioning needle in a positioning mechanism to extend to the front end surface of the blade, enabling the front end surface of the blade to be in contact with the positioning needle through moving the blade clamping mechanism, accurately positioning the position of the blade, rotating a grinding wheel disc of a grinding wheel mechanism, enabling the grinding wheel disc to be close to the blade under the action of the driving mechanism until the grinding wheel is in contact with the blade, and chamfering the blade; after the processing is finished, the feeding mechanism can convey the blade at the blade clamping mechanism to a blanking area of the workbench. Compared with the prior art, the automatic chamfering machine has higher automation degree, can realize the automatic chamfering of the circular blade, and greatly improves the processing precision of the blade while improving the processing efficiency of the blade.

In foretell blade grinding machine, blade fixture including set up in grip slipper on the workstation, be provided with the chuck that is used for the centre gripping tool bit on the grip slipper and can drive the rotatory driving source one of this chuck, still be provided with on the grip slipper and drive the grip slipper and be close to and keep away from ejector pin mechanism's driving source two. The blade is conveyed to the front end of the clamping seat, the second driving source drives the clamping seat to move towards the blade, the blade is clamped through the chuck, and then the driving source drives the blade to rotate to be matched with the grinding wheel to process the blade.

In the above blade grinding machine, the ejector rod mechanism comprises a fixing frame arranged on the truss and an ejector rod arranged on the fixing frame, the ejector rod is arranged in front of the blade clamping mechanism, the axis of the ejector rod is coaxial with the axis of the blade at the position of the blade clamping mechanism, and the truss is further provided with a driving source six capable of driving the ejector rod to be close to and far away from the blade clamping mechanism. The blade is tightly pushed on the blade clamping mechanism through the ejector rod, so that the blade is fully contacted with the chuck, the auxiliary chuck clamps the blade to be processed, and the position of the blade is accurately fixed.

In foretell blade grinding machine, positioning mechanism sets up the slide on the fixing base including setting up fixing base and the slip on the truss, be provided with the positioner who is used for detecting the tool bit position on the slide, the pilot pin sets up at positioner's front end and the axis of pilot pin sets up with the axis of the blade of blade fixture department is perpendicular, still be provided with on the slide and drive the pilot pin and be close to and keep away from blade fixture's driving source seven. The positioning needle in the driving positioning mechanism extends to the front end face of the blade, and the movable blade clamping mechanism is moved to enable the front end face of the blade to be in contact with the positioning needle, so that the position of the blade is accurately positioned.

In the above blade grinding machine, the driving mechanism includes a first guide rail and a second guide rail, and the first guide rail is disposed on the worktable and is inclined with respect to the blade clamping mechanism; the second guide rail is arranged on the sliding table of the first guide rail and is perpendicular to the first guide rail, a third driving source is arranged on the sliding table of the second guide rail, and the output end of the third driving source is connected with the grinding wheel disc. The first guide rail and the second guide rail which are vertical to each other are designed, so that the position of the grinding wheel disc can be adjusted, and the machining size can be adjusted.

In the blade grinding machine, the workbench is provided with the upright post, the upright post is provided with the driving source IV, the output end of the driving source IV is provided with the dressing grinding wheel, the axis of the dressing grinding wheel is parallel to the guide rail I, and the grinding wheel disc can move along the guide rail I to be in contact with the dressing grinding wheel. After the grinding wheel is trimmed, the grinding wheel disc can be in contact with the trimming grinding wheel through the action of the first guide rail and the second guide rail after the grinding wheel disc is used for a period of time, and therefore the grinding wheel disc is trimmed.

In foretell blade grinding machine, feeding mechanism including set up in pay-off frame on the truss, the pay-off frame is provided with horizontal slide rail along the horizontal direction, be provided with the slide rail seat on the slip table of horizontal slide rail, the slide rail seat is provided with vertical slide rail along vertical direction, be provided with the clamping jaw that can press from both sides tight blade both ends on the slip table of vertical slide rail. During feeding, the sliding table of the horizontal sliding rail is in an initial position, the sliding table of the vertical sliding rail drives the sliding table to descend, the blade in the feeding area is clamped through the clamping jaw, then the sliding table of the vertical sliding rail ascends, the sliding table of the horizontal sliding rail drives the sliding table to move to the position above the blade clamping mechanism, the sliding table of the vertical sliding rail descends, and the blade at the position of the clamping jaw is driven to move to the position of the blade conveying mechanism, so that feeding is achieved.

In foretell blade grinding machine, be provided with two vertical drive source five towards the bottom of output on the slip table of vertical slide rail, the output of drive source five is provided with the mount pad, the clamping jaw include two intervals set up in clamping piece on the mount pad forms the double-layered mouth that is used for the centre gripping blade between two clamping pieces, just the terminal surface of clamping piece be provided with the corresponding hole of stepping down of blade. Two driving sources V are designed, namely two sets of clamping jaws are designed, when machining is carried out, the feeding mechanism can simultaneously clamp two blades to be machined, one blade is conveyed to the blade clamping mechanism to be machined, the blade is taken down after machining is finished, the blade to be machined on the other clamping jaw can be moved to the blade clamping mechanism to be machined, in the machining process, the feeding mechanism can convey the machined blade to a blanking area of the truss, a new blade to be machined is clamped from the feeding area and conveyed to the position near the blade clamping mechanism, and machining efficiency is effectively improved; and the cutter blade clamping mechanism is provided with a abdication hole which is convenient for a thimble in the cutter blade clamping mechanism to pass through.

In the automatic grinding machine, the feeding area of the truss is provided with the material tray, and the material tray is uniformly provided with a plurality of material grooves for storing the blades. After the design has the charging tray, after the blade on a charging tray finishes processing, operating personnel only need to change the charging tray of putting the blade in advance can, the convenient and fast that reloads.

In the automatic grinding machine, the feeding area of the truss comprises a third guide rail horizontally arranged on the truss, the third guide rail is perpendicular to the horizontal slide rail, and a support plate used for placing a material tray is arranged on the sliding table of the third guide rail. The supporting plate is movable, so that the replacement efficiency of the material tray can be improved, and the supporting plate can be matched with the movable clamping jaw to move, so that the material can be fed more quickly and accurately.

In the automatic grinding machine, the supporting plate of the truss is provided with the flanges close to the blade clamping mechanism, the two sides of the flanges are provided with the limiting edges, the front end of the material tray can be in contact with the flanges, and the left side and the right side of the material tray can be in contact with the limiting edges respectively. After the design has flange and spacing limit, conveniently place the charging tray in predetermined area fast, and the parking position is more accurate, avoids not influencing normal material loading with mobilizable clamping jaw dislocation.

Compared with the prior art, the invention has the following advantages:

the automatic chamfering device has higher automation degree, can realize the automatic chamfering of the CBN blade and the PCD blade circular blade, improves the blade machining efficiency and greatly improves the machining precision.

Drawings

Fig. 1 is a perspective view of the present automatic grinder.

Fig. 2 is a top view of the present automatic grinder.

Fig. 3 is a schematic structural view of the feeding mechanism.

Fig. 4 is a partial schematic view of the present automatic grinder.

In the figure, 1, a feeding mechanism; 11. a feeding frame; 121. a horizontal slide rail; 122. a slide rail seat; 123. a vertical slide rail; 13. a clamping jaw; 131. a clip; 132. clamping the opening; 133. a hole of abdication; 141. a fifth driving source; 142. a mounting seat; 15. a material tray; 151. a third guide rail; 152. A support plate; 153. blocking edges; 154. a limiting edge; 2. a blade clamping mechanism; 21. a clamping seat; 22. a chuck; 24. a first driving source; 25. a second driving source; 3. a grinding wheel mechanism; 31. A grinding wheel disc; 32. a first guide rail; 33. a second guide rail; 34. a third driving source; 41. a column; 42. a driving source IV; 43. trimming a grinding wheel; 5. a work table; 51. a truss; 6. a push rod mechanism; 61. a top rod; 62. a fixed mount; 7. a positioning mechanism; 71. a thimble 72 and a fixed seat; 73. a slide base; 74. a positioning device; 75. and a positioning pin.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that each driving source in the present embodiment, such as driving rotation, may be implemented by a motor, etc., such as driving linear motion, and may be implemented by a linear motor, an air cylinder, an electromagnet, etc., and is not particularly limited.

As shown in fig. 1, the blade grinder includes a worktable 5, a truss 51 and a blade clamping mechanism 2, the truss 51 and the blade clamping mechanism 2 are respectively disposed on the worktable 5, and the blade clamping mechanism 2 is used for clamping a blade.

Specifically, as shown in fig. 1, the insert clamping mechanism 2 includes a clamping base 21 provided on the table, the clamping base 21 is provided with a chuck 22 for clamping a tool bit and a first driving source 24 capable of driving the chuck 22 to rotate, and the clamping base is further provided with a second driving source 25 capable of driving the clamping base 21 to approach and separate from the ejector mechanism 2. The blade is conveyed to the front end of the clamping seat 21, the second driving source 25 drives the clamping seat 21 to move towards the blade, the blade is clamped through the chuck 22, and then the first driving source 24 drives the blade to rotate to be matched with the grinding wheel to process the blade.

As shown in fig. 1 and 2, the blade grinding machine further includes a push rod mechanism 6, the push rod mechanism 6 is disposed on the truss 51, and a push rod 61 in the push rod mechanism 6 can move toward the blade clamping mechanism 2 under the action of a driving source, and is in contact with the blade at the blade clamping mechanism 2 to assist the blade clamping mechanism 2 in clamping the blade.

Specifically, the ejector rod mechanism 6 comprises a fixed frame 62 arranged on a truss 51 and an ejector rod 61 arranged on the fixed frame 62, the ejector rod 61 is arranged in front of the blade clamping mechanism 2, the axis of the ejector rod 61 is coaxial with the axis of the blade at the blade clamping mechanism 2, the truss 51 is also provided with a six driving source capable of driving the ejector rod 61 to be close to and far from the blade clamping mechanism 2, the blade is tightly pressed on the blade clamping mechanism 2 through the ejector rod 61, so that the blade is fully contacted with the chuck 61, the chuck 61 is assisted to clamp the blade to be processed, and the position of the blade is accurately fixed.

As shown in fig. 1 and 2, the blade grinding machine further includes a positioning mechanism 7, the positioning mechanism 7 is disposed on the truss 51, and a positioning pin 71 in the positioning mechanism 7 can move toward the blade clamping mechanism 2 under the action of a driving source, and is in contact with the blade at the blade clamping mechanism 2 for determining the position of the blade at the blade clamping mechanism 2.

Specifically, the positioning mechanism 7 includes a fixed seat 72 provided on the truss (51) and a slide seat 73 slidably provided on the fixed seat 72, the slide seat 73 is provided with a positioning device 74 for detecting the position of the cutter head, the positioning pin 71 is provided at the front end of the positioning device 74 and the axis of the positioning pin 71 is perpendicular to the axis of the blade at the blade holding mechanism 2, and the slide seat 72 is further provided with a drive source seven capable of driving the positioning pin 71 to approach and separate from the blade holding mechanism 2. The front end face of the blade is contacted with the positioning needle 71 by moving the blade clamping mechanism 2, and the position of the blade is accurately positioned by driving the positioning needle 71 in the positioning mechanism 7 to extend to the front end face of the blade.

As shown in fig. 1 and 3, the blade grinding machine further includes a grinding wheel mechanism 3, the grinding wheel mechanism 3 is disposed on the work table 5, a grinding wheel disc 31 in the grinding wheel mechanism 3 can move towards the blade clamping mechanism 2 under the action of the driving mechanism, and is in contact with the blade at the blade clamping mechanism 2, and an included angle is formed between an axis of the grinding wheel disc 31 and an axis of the blade at the blade clamping mechanism 2.

Specifically, the drive mechanism includes a first guide rail 32 and a second guide rail 33, and the first guide rail 32 is provided on the table 5 and is inclined with respect to the blade holding mechanism 2; the second guide rail 33 is arranged on the sliding table of the first guide rail 32 and is perpendicular to the first guide rail 32, a third driving source 34 is arranged on the sliding table of the second guide rail 33, and the output end of the third driving source 34 is connected with the grinding wheel disc 31. The first guide rail 32 and the second guide rail 33 which are perpendicular to each other are designed, so that the position of the grinding wheel disc 31 can be adjusted, and the machining size can be adjusted.

When the grinding wheel disc 31 is worn after being used for a period of time, in order to dress the grinding wheel disc 31, in the embodiment, the upright column 41 is arranged on the workbench 5, the driving source four 42 is arranged on the upright column 41, the output end of the driving source four 42 is provided with the dressing grinding wheel 43, the axis of the dressing grinding wheel 43 is parallel to the guide rail one 32, and the grinding wheel disc 31 can move along the guide rail one 32 to be in contact with the dressing grinding wheel 43. After the grinding wheel 43 is designed, after the grinding wheel disc 31 is used for a period of time, the grinding wheel disc 31 can be contacted with the grinding wheel 43 through the action of the first guide rail 32 and the second guide rail 33, so that the grinding wheel disc 31 is dressed.

As shown in fig. 1 and 4, the blade grinding machine further includes a feeding mechanism 1, wherein the feeding mechanism 1 is disposed on the truss 51, and is configured to convey a blade in a feeding area of the truss 51 to the blade clamping mechanism 2, and convey a processed blade in the blade clamping mechanism 2 to a discharging area of the truss 51.

Specifically, the feeding mechanism 1 includes a feeding frame 11 disposed on the truss 51, the feeding frame 11 is provided with a horizontal slide rail 121 along the horizontal direction, a slide rail seat 122 is disposed on a slide table of the horizontal slide rail 121, a vertical slide rail 123 is disposed on the slide rail seat 122 along the vertical direction, and a clamping jaw 13 capable of clamping two ends of the blade is disposed on a slide table of the vertical slide rail 123. And feeding is realized.

In order to further improve the feeding efficiency, two driving source five 141 with output ends facing downwards are arranged on the sliding table of the vertical sliding rail 123, an installation seat 142 is arranged at the output end of the driving source five 141, the clamping jaw 13 comprises two clamping pieces 131 arranged on the installation seat 142 at intervals, a clamping opening 132 for clamping the blade is formed between the two clamping pieces 131, and an abdicating hole 133 corresponding to the blade is arranged on the end surface of each clamping piece 131.

When feeding, the sliding table of the horizontal sliding rail 121 is at the initial position, the sliding table of the vertical sliding rail 123 drives the sliding table to descend, the blade of the feeding area is clamped by the clamping jaw 13, then the sliding table of the vertical sliding rail 123 rises, the sliding table of the horizontal sliding rail 121 drives the sliding table to move to the position above the blade clamping mechanism 2, the sliding table of the vertical sliding rail 123 descends to drive the blade at the clamping jaw 13 to move to the position of the blade conveying mechanism, one blade is conveyed to the position of the blade clamping mechanism 2 for processing, and after the processing is finished, the blade is taken down, meanwhile, the blade to be processed on the other clamping jaw 13 can be moved to the blade clamping mechanism 2 for processing, in the processing process, the feeding mechanism 1 can convey the processed blade to a blanking area of the worktable 5, and a new blade to be processed is clamped from the feeding area and is conveyed to the position near the blade clamping mechanism 2, so that the processing efficiency is effectively improved.

Preferably, as shown in fig. 2, a tray 15 is disposed in the feeding area of the truss 51, and a plurality of troughs for storing the blades are uniformly formed on the tray 15.

Preferably, as shown in fig. 2, the feeding area of the truss 51 includes a third guide rail 151 horizontally disposed on the truss 51, the third guide rail 151 is perpendicular to the horizontal slide rail 121, and a sliding table of the third guide rail 151 is provided with a supporting plate 152 for placing the supporting plate 152 of the tray 15. A flange 153 is arranged on the supporting plate 152 of the truss 51 near the blade clamping mechanism 2, limiting edges 154 are distributed on two sides of the flange 153, the front end of the material tray 15 can be in contact with the flange 153, and the left side and the right side of the material tray 15 can be in contact with the limiting edges 154 respectively.

The working principle of the invention is as follows: placing a blade to be processed in a feeding area of a truss 5, conveying the blade to be processed to a blade clamping mechanism 2 from the feeding area by a feeding mechanism 1, then pushing the blade to be processed against the end surface of the blade by a push rod 61 of a driving push rod mechanism 6, pushing the blade tightly against the blade clamping mechanism 2 by the push rod 61 to assist the blade clamping mechanism 2 in clamping the blade to be processed, accurately fixing the position of the blade, clamping the blade to be processed by the blade clamping mechanism 2, then driving a positioning pin 71 in a positioning mechanism 7 to extend to the front end surface of the blade, enabling the front end surface of the blade to be in contact with the positioning pin 71 by moving the blade clamping mechanism 2, accurately positioning the position of the blade, rotating a grinding wheel disc 31 of a grinding wheel mechanism 3 to be close to the blade under the action of the driving mechanism until the grinding wheel is in contact with the blade, and chamfering the blade; after the processing is finished, the feeding mechanism 1 can convey the blade at the blade clamping mechanism 2 to a blanking area of the truss.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A blade grinder, characterized in that the blade grinder comprises:

a work table (5);

a truss (51) provided on the table (5);

the blade clamping mechanism (2) is arranged on the workbench (5) and used for clamping the blade;

the grinding wheel mechanism (3) is arranged on the workbench (5), a grinding wheel disc (31) in the grinding wheel mechanism (3) can move towards the blade clamping mechanism (2) under the action of a driving mechanism and is in contact with a blade at the blade clamping mechanism (2), and an included angle is formed between the axis of the grinding wheel disc (31) and the axis of the blade at the blade clamping mechanism (2);

the ejector rod mechanism (6), the ejector rod mechanism (6) is arranged on the truss (51), an ejector rod (61) in the ejector rod mechanism (6) can move towards the blade clamping mechanism (2) under the action of a driving source, and is in contact with the blade at the blade clamping mechanism (2) to assist the blade clamping mechanism (2) to clamp the blade;

the positioning mechanism (7) is arranged on the truss (51), and a positioning needle (71) in the positioning mechanism (7) can move towards the blade clamping mechanism (2) under the action of a driving source and is in contact with a blade at the blade clamping mechanism (2) for determining the position of the blade at the blade clamping mechanism (2);

the feeding mechanism (1) is arranged on the truss (51) and used for conveying the blades in the feeding area on the truss (51) to the blade clamping mechanism (2) and conveying the blades processed at the blade clamping mechanism (2) to the blanking area on the truss (51).

2. The blade grinding machine according to claim 1, characterized in that the blade clamping mechanism (2) comprises a clamping seat (21) arranged on the workbench (5), a chuck (22) for clamping a tool bit and a first driving source (24) capable of driving the chuck (22) to rotate are arranged on the clamping seat (21), and a second driving source (25) capable of driving the clamping seat (21) to be close to and far away from the ejector rod mechanism is further arranged on the clamping seat.

3. A blade grinding machine as claimed in claim 1, wherein: the ejector rod mechanism (6) comprises a fixing frame (62) arranged on a truss (51) and an ejector rod (61) arranged on the fixing frame (62), the ejector rod (61) is arranged in front of the blade clamping mechanism (2) and the axis of the ejector rod (61) is coaxial with the blade axis of the blade clamping mechanism (2), and a driving source six capable of driving the ejector rod (61) to be close to and far away from the blade clamping mechanism (2) is further arranged on the truss (51).

4. A blade grinding machine as claimed in claim 1, wherein: positioning mechanism (7) are including setting up fixing base (72) and the slide (73) that set up on fixing base (72) on truss (51), be provided with positioner (74) that are used for detecting the tool bit position on slide (73), pilot pin (71) set up the axis perpendicular setting of the blade of front end and the axis of pilot pin (71) and blade fixture (2) department at positioner (74), still be provided with on slide (72) and drive pilot pin (71) and be close to and keep away from the seven driving sources of blade fixture (2).

5. A blade grinding machine according to claim 1, characterized in that the drive mechanism comprises a first guide rail (32) and a second guide rail (33), the first guide rail (32) is arranged on the worktable (5) and is obliquely arranged relative to the blade clamping mechanism (2); the second guide rail (33) is arranged on the sliding table of the first guide rail (32) and is perpendicular to the first guide rail (32), a third driving source (34) is arranged on the sliding table of the second guide rail (33), and the output end of the third driving source (34) is connected with the grinding wheel disc (31).

6. A blade grinding machine according to claim 3, characterized in that the table (5) is provided with a column (41), the column (41) is provided with a fourth drive source (42), the output end of the fourth drive source (42) is provided with a dressing grinding wheel (43), the axis of the dressing grinding wheel (43) is parallel to the first guide rail (32), and the grinding wheel disk (31) can move along the first guide rail (32) to contact with the dressing grinding wheel (43).

7. The blade grinding machine according to any one of claims 1 to 6, characterized in that the feeding mechanism (1) comprises a feeding rack (11) arranged on the truss (51), the feeding rack (11) is provided with a horizontal slide rail (121) along the horizontal direction, a slide rail seat (122) is arranged on the sliding table of the horizontal slide rail (121), a vertical slide rail (123) is arranged on the slide rail seat (122) along the vertical direction, and a clamping jaw (13) capable of clamping two ends of the blade is arranged on the sliding table of the vertical slide rail (123).

8. The blade grinding machine of claim 7, wherein two driving sources five (141) with output ends facing downwards are arranged on the sliding table of the vertical sliding rail (123), the output end of the driving source five (141) is provided with a mounting seat (142), the clamping jaw (13) comprises two clamping pieces (131) which are arranged on the mounting seat (142) at intervals, a clamping opening (132) for clamping the blade is formed between the two clamping pieces (131), and the end face of each clamping piece (131) is provided with a yielding hole (133) corresponding to the blade.

9. The blade grinding machine according to claim 7, characterized in that a material tray (15) is arranged in a material loading area of the truss (51), a plurality of material troughs for storing blades are uniformly formed in the material tray (15), the material loading area of the truss (51) comprises a third guide rail (151) horizontally arranged on the truss (51), the third guide rail (151) is perpendicular to the horizontal slide rail (121), and a support plate (152) for placing the material tray (15) is arranged on a sliding table of the third guide rail (151).

10. The blade grinding machine according to claim 8, characterized in that a flange (153) is arranged on the supporting plate (152) of the truss (51) near the blade clamping mechanism (2), limit edges (154) are distributed on two sides of the flange (153), the front end of the material tray (15) can be in contact with the flange (153), and the left side and the right side of the material tray (15) can be in contact with the limit edges (154) respectively.