CN112792626A

CN112792626A - Automatic grinding machine

Info

Publication number: CN112792626A
Application number: CN202110174632.XA
Authority: CN
Inventors: 颜宁宁; 颜敏当
Original assignee: Zhejiang Taixing Intelligent Equipment Co ltd
Current assignee: Zhejiang Taixing Intelligent Equipment Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-05-14

Abstract

The invention belongs to the technical field of machining, and relates to an automatic grinding machine, which solves the problems of low machining efficiency and the like of the existing circular blade. The grinding machine comprises a workbench, a blade clamping mechanism, a grinding wheel mechanism and a feeding mechanism, wherein the blade clamping mechanism is arranged on the workbench and used for clamping a circular 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 a driving mechanism and is in contact with the blade at the blade clamping mechanism, 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 feeding mechanism is arranged on the workbench and used for conveying the blade in a feeding area of the workbench to the blade clamping mechanism, and the blade after being processed at the blade clamping mechanism is conveyed to a discharging area of the workbench. The invention has the advantages of high processing efficiency and the like.

Description

Automatic grinding machine

Technical Field

The invention belongs to the technical field of machining, and relates to an automatic grinding machine.

Background

In order to improve the impact strength of the cutting edge of the hard alloy blade, the cutting edge of the blade is required to be chamfered generally, the width and the angle of the chamfering of the cutting edge are different according to different use requirements, and the chamfering treatment has great influence on the use of the blade, so the precision requirement of chamfering is also high.

At present, the chamfering of the hard alloy circular blade is generally processed by a bare-handed sharpening or a 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.

Disclosure of Invention

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

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

an automatic grinding machine, characterized in that it comprises:

a work table;

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

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

The working principle is as follows: placing a blade to be processed in a feeding area of a workbench, conveying the blade from the feeding area to a blade clamping mechanism by a feeding mechanism and then leaving the blade, clamping the blade to be processed by the blade clamping mechanism, rotating a grinding wheel disc of a grinding wheel mechanism and approaching the blade under the action of a driving mechanism until the blade is contacted 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 improves the processing efficiency.

In the automatic grinding machine, the blade clamping mechanism comprises a main clamping seat and an auxiliary clamping seat which are arranged on the workbench at intervals, a main thimble and a first driving source capable of driving the main thimble to rotate are rotatably arranged on the main clamping seat, and a second driving source capable of driving the main clamping seat to be close to or far away from the auxiliary clamping seat is arranged on the workbench; an auxiliary thimble coaxial with the main thimble is rotatably arranged on the auxiliary clamping seat. The blade is conveyed between the main ejector pin and the auxiliary ejector pin, the driving source II drives the main clamping seat to move towards the direction of the auxiliary clamping seat until the main clamping seat is matched with the auxiliary ejector pin to clamp the blade, and then the driving source drives the blade to rotate to be matched with the grinding wheel to process the blade.

In the above automatic grinder, the driving mechanism includes a first guide rail and a second guide rail, the first guide rail is disposed on the worktable and is inclined with respect to the blade holding 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 automatic 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 automatic grinding machine, feeding mechanism including set up in pay-off frame on the workstation, 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 automatic grinding machine, be provided with two vertical drive source five towards the lower 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 workbench, 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 workbench 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 foretell automatic grinding machine, the material loading district of workstation including the level set up in guide rail three on the workstation, guide rail three with horizontal slide rail is mutually perpendicular, be provided with the layer board that the layer board is used for placing the charging tray on guide rail three's the slip table. 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 position of the supporting plate of the workbench, which is close to the blade clamping mechanism, is provided with the retaining edge, the two sides of the retaining edge are distributed with the limiting edges, the front end of the material tray can be contacted with the retaining edges, and the left side and the right side of the material tray can be contacted 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 machine has high automation degree, can realize automatic chamfering of the circular blade, and improves the processing efficiency.

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.

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 main clamping seat; 22. an auxiliary clamping seat; 23. a main thimble; 24. a first driving source; 25. a second driving source; 26. an auxiliary thimble; 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 bench.

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 present grinder includes a table 5 and a blade holding mechanism 2, and the blade holding mechanism 2 is provided on the table 5 for holding a blade.

Specifically, as shown in fig. 1, the blade holding mechanism 2 includes a main holding base 21 and an auxiliary holding base 22 which are arranged on the worktable 5 at intervals, a main thimble 23 and a first driving source 24 which can drive the main thimble 23 to rotate are rotatably arranged on the main holding base 21, and a second driving source 25 which can drive the main holding base 21 to approach to and depart from the auxiliary holding base 22 is arranged on the worktable 5; an auxiliary thimble 26 coaxial with the main thimble 23 is rotatably arranged on the auxiliary clamping seat 22. The blade is conveyed between the main ejector pin 23 and the auxiliary ejector pin 26, the second driving source 25 drives the main clamping seat 21 to move towards the auxiliary clamping seat 22 until the blade is matched with the auxiliary ejector pin 26 to clamp the blade, 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, the grinder 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 the axis of the grinding wheel disc 31 and the 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 3, the grinder further includes a feeding mechanism 1, wherein the feeding mechanism 1 is disposed on the work table 5, and is configured to convey the blade in the feeding area of the work table 5 to the blade clamping mechanism 2, and convey the processed blade in the blade clamping mechanism 2 to the discharging area of the work table 5.

Specifically, the feeding mechanism 1 includes a feeding frame 11 disposed on the working table 5, the feeding frame 11 is provided with a horizontal sliding rail 121 along the horizontal direction, a sliding table of the horizontal sliding rail 121 is provided with a sliding rail seat 122, the sliding rail seat 122 is provided with a vertical sliding rail 123 along the vertical direction, and a clamping jaw 13 capable of clamping two ends of the blade is disposed on the sliding table of the vertical sliding 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. 3, a material tray 15 is disposed in the material loading area of the worktable 5, and a plurality of material troughs for storing blades are uniformly formed on the material tray 15.

Preferably, as shown in fig. 3, the feeding area of the workbench 5 includes a third guide rail 151 horizontally disposed on the workbench 5, 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 at the position, close to the blade clamping mechanism 2, of the supporting plate 152 of the workbench 5, 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 workbench 5, conveying the blade from the feeding area to a blade clamping mechanism 2 by a feeding mechanism 1 and then leaving the blade, clamping the blade to be processed by the blade clamping mechanism 2, rotating a grinding wheel disc 31 of a grinding wheel mechanism 3 and approaching the blade under the action of a driving mechanism until the blade is contacted 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 workbench 5.

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. An automatic grinding machine, characterized in that it comprises:

a work 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 feeding mechanism (1) is arranged on the workbench (5) and used for conveying the blade in the feeding area of the workbench (5) to the blade clamping mechanism (2) and conveying the processed blade in the blade clamping mechanism (2) to the discharging area of the workbench (5).

2. The automatic grinding machine according to claim 1, characterized in that the blade clamping mechanism (2) comprises a main clamping seat (21) and an auxiliary clamping seat (22) which are arranged on the workbench (5) at intervals, a main thimble (23) and a first driving source (24) capable of driving the main thimble (23) to rotate are arranged on the main clamping seat (21), and a second driving source (25) capable of driving the main clamping seat (21) to be close to and far away from the auxiliary clamping seat (22) is arranged on the workbench (5); an auxiliary thimble (26) coaxial with the main thimble (23) is rotatably arranged on the auxiliary clamping seat (22).

3. The automatic grinding machine according to claim 1, characterized in that said drive means comprise a first guide (32) and a second guide (33), said first guide (32) being arranged on the table (5) and inclined with respect to said blade-holding means (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).

4. The automatic grinding machine according to claim 3, characterized in that a column (41) is provided on the table (5), a driving source four (42) is provided on the column (41), a dressing grinding wheel (43) is provided at an output end of the driving source four (42), an axis of the dressing grinding wheel (43) is parallel to the first guide rail (32), and the grinding wheel disk (31) is movable along the first guide rail (32) to contact with the dressing grinding wheel (43).

5. The automatic grinding machine according to claim 1 or 2 or 3 or 4, characterized in that the feeding mechanism (1) comprises a feeding frame (11) arranged on the working table (5), the feeding frame (11) is provided with a horizontal sliding rail (121) along the horizontal direction, a sliding rail seat (122) is arranged on the sliding table of the horizontal sliding rail (121), a vertical sliding rail (123) is arranged on the sliding 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 sliding rail (123).

6. The automatic grinding machine according to claim 5, characterized in that two driving sources five (141) with output ends facing downwards vertically 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 surface of the clamping piece (131) is provided with a yielding hole (133) corresponding to the blade.

7. The automatic grinding machine according to claim 6, characterized in that the feeding area of the worktable (5) is provided with a material tray (15), and a plurality of troughs for storing blades are uniformly arranged on the material tray (15).

8. The automatic grinding machine according to claim 7, characterized in that the feeding area of the worktable (5) comprises a third guide rail (151) horizontally arranged on the worktable (5), the third guide rail (151) is perpendicular to the horizontal slide rail (121), and a support plate (152) for placing a support plate (152) of the material tray (15) is arranged on the sliding table of the third guide rail (151).

9. The automatic grinding machine according to claim 8, characterized in that a flange (153) is arranged on the supporting plate (152) of the working table (5) near the blade clamping mechanism (2), two sides of the flange (153) are distributed with limit edges (154), the front end of the material tray (15) can contact with the flange (153), and the left and right sides of the material tray (15) can contact with the limit edges (154) respectively.