Numerical control blade periphery grinding machine

Abstract

The utility model belongs to the technical field of grinding machines, and relates to a numerical control blade periphery grinding machine which comprises a base, a clamp mechanism for clamping a workpiece and a grinding mechanism for machining the workpiece are arranged on the base, and the clamp mechanism comprises a left clamping assembly, a right clamping assembly and a lower supporting assembly. A left clamping head driven by an indexing mechanism is arranged at the end of the left clamping assembly, the end face structure of the left clamping head is matched with a groove body structure on one side of a workpiece, a right clamping head supported by a bearing is arranged at the end of the right clamping assembly, and the left clamping head and the right clamping head abut against the two side faces of the workpiece respectively and clamp the workpiece. The movable supporting block of the lower supporting assembly abuts against the lower side face of the workpiece to form a supporting structure. According to the numerical control blade periphery grinding machine, the machining procedure can be simplified, and the machining efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinders and relates to a numerically controlled blade peripheral grinder. Background Art

[0002] In the process of blade processing, it is necessary to use a grinder to grind the periphery of the blade. In order to improve work efficiency, it is necessary to grind all the peripheries of the blade in one clamping. However, when the existing workpiece fixture clamps the blade, the claws will block at least one surface, so that a second clamping is required to grind the surface. In view of this, it is necessary to redevelop a blade periphery grinder and use a new workpiece fixture to achieve the purpose of completing the blade periphery grinding in one clamping. Utility Model Content

[0003] The utility model aims at the deficiencies of the prior art and provides a numerically controlled blade peripheral grinder, which can simplify the machining process and improve the machining efficiency.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0005] A CNC blade peripheral grinder comprises a base, on which a clamping mechanism for clamping a workpiece and a grinding mechanism for processing the workpiece are arranged, the clamping mechanism comprises a left clamping assembly, a right clamping assembly and a lower supporting assembly, the end of the left clamping assembly is provided with a left chuck driven by a dividing mechanism, the end face structure of the left chuck is adapted to a groove structure on one side of the workpiece, the end of the right clamping assembly is provided with a right chuck supported by a bearing, the left chuck and the right chuck respectively contact with two side surfaces of the workpiece and clamp the workpiece, and the movable supporting block of the lower supporting assembly contacts with the lower side surface of the workpiece and forms a supporting structure.

[0006] In the above-mentioned CNC blade peripheral grinder, a clamping table that slides horizontally and a grinding table that slides longitudinally are arranged on the base, the clamping mechanism is arranged on the clamping table, and the grinding mechanism is arranged on the grinding table; the left clamping assembly is arranged on the left side of the clamping table, the right clamping assembly is arranged on the right side of the clamping table, and the lower support assembly is arranged in the middle of the clamping table; further, the clamping table and the grinding table are both driven by a motor and a screw mechanism.

[0007] In the above-mentioned CNC blade peripheral grinder, the left clamping assembly includes a turntable as a dividing mechanism, a chuck seat driven by the turntable is arranged at the front end of the turntable, and the left chuck is mounted on the chuck seat.

[0008] In the above-mentioned CNC blade peripheral grinder, the right clamping assembly includes a first support seat, a bearing seat driven by a first cylinder to slide laterally is arranged on the first support seat, a bearing is arranged in the bearing seat, and the right chuck is inserted into the bearing; further, a cylinder bracket is arranged on one side of the first support seat, the cylinder body of the first cylinder is connected to the bearing seat, and the piston rod of the first cylinder is connected to the cylinder bracket; of course, the first cylinder can also be installed on the first support seat and connected to the bearing seat through the piston rod.

[0009] In the above-mentioned CNC blade peripheral grinder, the lower support assembly includes a second support seat, a support block is arranged on one side of the second support seat, and a cylinder body of a second cylinder is hinged on the other side, one end of the movable support block is hinged to the top of the support block, and the other end is hinged to the piston rod of the second cylinder, and the lower support surface of the movable support block in contact with the workpiece is arranged on the side close to the second cylinder; preferably, the lower support surface is arranged to protrude from the upper surface of the movable support block.

[0010] In the above-mentioned CNC blade peripheral grinder, a third support seat is arranged on the fixture workbench, and a probe driven by a third cylinder to slide longitudinally is arranged on the third support seat, and the probe is located at the rear side of the workpiece.

[0011] In the above-mentioned CNC blade peripheral grinder, the grinding mechanism includes a column, a slide plate is provided on one side of the column for vertical sliding relative to the clamping mechanism, a grinding spindle is provided on the slide plate, and a grinding wheel is mounted on the grinding spindle.

[0012] In the above-mentioned CNC blade peripheral grinder, a feeding seat is arranged on the base, and a manipulator for transferring the workpiece is arranged on the feeding seat.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model provides a CNC blade peripheral grinder, which improves the structure of the workpiece fixture, clamps the two sides of the blade by the left and right chucks, and then supports the bottom of the blade by the movable support block, so that the blade is firmly clamped. After processing a peripheral plane, the blade is driven to rotate by the indexing mechanism until all peripheral planes are processed. It can be seen that the utility model can complete all peripheral processing by clamping once, which can simplify the processing procedures and improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the clamp mechanism of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the left clamping assembly of the utility model;

[0018] Figure 4 It is a three-dimensional diagram of the right clamping assembly of the utility model;

[0019] Figure 5 It is a three-dimensional diagram of the lower support assembly of the utility model;

[0020] Figure numerals: 1. base; 2. workpiece; 3. clamping mechanism; 4. grinding mechanism; 5. left clamping assembly; 6. right clamping assembly; 7. lower support assembly; 8. left chuck; 9. right chuck; 10. movable support block; 11. clamping table; 12. grinding table; 13. turntable; 14. chuck seat; 15. first support seat; 16. first cylinder; 17. bearing seat; 18. second support seat; 19. support block; 20. second cylinder; 21. lower support surface; 22. third support seat; 23. third cylinder; 24. probe; 25. column; 26. drag plate; 27. grinding spindle; 28. grinding wheel; 29. ​​feed seat; 30. manipulator. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings. Figure 1-5 :

[0022] A CNC blade peripheral grinder comprises a base 1, on which a clamping mechanism 3 for clamping a workpiece 2 and a grinding mechanism 4 for processing the workpiece 2 are arranged, the clamping mechanism 3 comprises a left clamping assembly 5, a right clamping assembly 6 and a lower supporting assembly 7, the end of the left clamping assembly 5 is provided with a left chuck 8 driven by a dividing mechanism, the end surface structure of the left chuck 8 is adapted to the groove structure on one side of the workpiece 2, the end of the right clamping assembly 6 is provided with a right chuck 9 supported by a bearing, the left chuck 8 and the right chuck 9 respectively contact with the two side surfaces of the workpiece 2 and clamp the workpiece 2, and the movable support block 10 of the lower supporting assembly 7 contacts with the lower side surface of the workpiece 2 and forms a supporting structure.

[0023] During operation, the clamp mechanism 3 is fed to the loading position, and the workpiece 2 (the blade to be processed) is placed to the position against the left chuck 8 of the left clamping assembly 5 through the loading device, and then the right chuck 9 of the right clamping assembly 6 is moved to make it contact with the other side of the workpiece 2, and finally the movable support block 10 of the lower support assembly 7 is moved to the position against the lower side surface of the workpiece 2. After the clamping is completed, the loading device is reset. The clamp mechanism 3 and the grinding mechanism 4 are fed to the processing position, and the grinding mechanism 4 is started to process the workpiece 2. After processing one surface, the movable support block 10 is removed, and the indexing mechanism drives the left chuck 8 to rotate a predetermined angle. The end face structure of the left chuck 8 is adapted to the groove structure on one side of the workpiece 2, so the workpiece 2 rotates synchronously with the left chuck 8. Since the right chuck 9 is supported by the bearing, the right chuck 9 also rotates accordingly. After the rotation is completed, the movable support block 10 of the lower support assembly 7 is moved to make it contact with the lower side surface of the workpiece 2 again, and the other surface is processed until all surfaces are processed.

[0024] Compare with Figure 2 The base 1 is provided with a clamp worktable 11 that slides in the transverse direction and a grinding worktable 12 that slides in the longitudinal direction. The clamp mechanism 3 is arranged on the clamp worktable 11, and the grinding mechanism 4 is arranged on the grinding worktable 12; the left clamping assembly 5 is arranged on the left side of the clamp worktable 11, the right clamping assembly 6 is arranged on the right side of the clamp worktable 11, and the lower support assembly 7 is arranged in the middle of the clamp worktable 11; further, the clamp worktable 11 and the grinding worktable 12 are both driven by a motor and a screw mechanism.

[0025] Compare with Figure 3 The left clamping assembly 5 includes a turntable 13 as an indexing mechanism, and a chuck seat 14 driven by the turntable 13 is provided at the front end of the turntable 13, and the left chuck 8 is installed on the chuck seat 14. When the turntable 13 performs indexing rotation, the chuck seat 14 is driven to rotate synchronously, and the left chuck 8 rotates by the same angle.

[0026] Compare with Figure 4 The right clamping assembly 6 includes a first support seat 15, on which a first cylinder 16 is provided to drive a bearing seat 17 that slides laterally, and a bearing (not shown in the accompanying drawings) is provided in the bearing seat 17, in which the right clamp 9 is inserted; in this embodiment, a cylinder bracket is provided on one side of the first support seat 15, the cylinder body of the first cylinder 16 is connected to the bearing seat 17, and the piston rod of the first cylinder 16 is connected to the cylinder bracket.

[0027] Compare with Figure 5The lower supporting assembly 7 includes a second supporting seat 18, a supporting block 19 is arranged on one side of the second supporting seat 18, and a cylinder body of a second cylinder 20 is hinged on the other side, one end of the movable supporting block 10 is hinged to the top of the supporting block 19, and the other end is hinged to the piston rod of the second cylinder 20, and a lower supporting surface 21 of the movable supporting block 10 in contact with the workpiece 2 is arranged on a side close to the second cylinder 20; preferably, the lower supporting surface 21 is arranged to protrude from the upper surface of the movable supporting block 10.

[0028] The fixture workbench 11 is provided with a third support seat 22, and the third support seat 22 is provided with a third cylinder 23 to drive a probe 24 that slides longitudinally. The probe 24 is located at the rear side of the workpiece 2. The probe 24 can detect whether the blade is clamped in place and whether it is processed in place.

[0029] The grinding mechanism 4 comprises a column 25 , and a carriage 26 is vertically slidably disposed on one side of the column 25 relative to the clamp mechanism 3 . A grinding spindle 27 is disposed on the carriage 26 , and a grinding wheel 28 is mounted on the grinding spindle 27 .

[0030] A feeding seat 29 is disposed on the base 1 , and a robot 30 for transferring the workpiece 2 is disposed on the feeding seat 29 .

[0031] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A CNC blade peripheral grinding machine, comprising a base (1), on which a clamping mechanism (3) for clamping a workpiece (2) and a grinding mechanism (4) for processing the workpiece (2) are arranged, characterized in that: The clamping mechanism (3) comprises a left clamping assembly (5), a right clamping assembly (6) and a lower supporting assembly (7); the end of the left clamping assembly (5) is provided with a left chuck (8) driven by a dividing mechanism; the end surface structure of the left chuck (8) is adapted to the groove structure on one side of the workpiece (2); the end of the right clamping assembly (6) is provided with a right chuck (9) supported by a bearing; the left chuck (8) and the right chuck (9) respectively contact with the two side surfaces of the workpiece (2) and clamp the workpiece (2); the movable supporting block (10) of the lower supporting assembly (7) contacts with the lower side surface of the workpiece (2) and forms a supporting structure.

2. A CNC blade peripheral grinding machine according to claim 1, characterized in that: The base (1) is provided with a clamping table (11) that slides in the transverse direction and a grinding table (12) that slides in the longitudinal direction; the clamping mechanism (3) is arranged on the clamping table (11); and the grinding mechanism (4) is arranged on the grinding table (12); the left clamping assembly (5) is arranged on the left side of the clamping table (11); the right clamping assembly (6) is arranged on the right side of the clamping table (11); and the lower supporting assembly (7) is arranged in the middle of the clamping table (11).

3. A CNC blade peripheral grinding machine according to claim 1, characterized in that: The left clamping assembly (5) comprises a turntable (13) as a dividing mechanism, a chuck seat (14) driven by the turntable (13) is arranged at the front end of the turntable (13), and the left chuck (8) is mounted on the chuck seat (14).

4. A CNC blade peripheral grinding machine according to claim 1, characterized in that: The right clamping assembly (6) comprises a first support seat (15), on which a first cylinder (16) is provided to drive a bearing seat (17) to slide laterally, a bearing is provided in the bearing seat (17), and the right clamp (9) is inserted into the bearing.

5. The CNC blade peripheral grinding machine according to claim 1, characterized in that: The lower support assembly (7) comprises a second support seat (18), a support block (19) is arranged on one side of the second support seat (18), and a cylinder body of a second cylinder (20) is hingedly connected on the other side; one end of the movable support block (10) is hingedly connected to the top of the support block (19), and the other end is hingedly connected to the piston rod of the second cylinder (20); and a lower support surface (21) of the movable support block (10) that contacts the workpiece (2) is arranged on a side close to the second cylinder (20).

6. A CNC blade peripheral grinding machine according to claim 2, characterized in that: The fixture workbench (11) is provided with a third support seat (22), and the third support seat (22) is provided with a third cylinder (23) for driving a probe (24) that slides in the longitudinal direction, and the probe (24) is located at the rear side of the workpiece (2).

7. A CNC blade peripheral grinding machine according to claim 1, characterized in that: The grinding mechanism (4) comprises a column (25), a carriage (26) is provided on one side of the column (25) for vertical sliding relative to the clamp mechanism (3), a grinding spindle (27) is provided on the carriage (26), and a grinding wheel (28) is mounted on the grinding spindle (27).

8. The CNC blade peripheral grinding machine according to claim 1, characterized in that: A feeding seat (29) is arranged on the base (1), and a manipulator (30) for transferring the workpiece (2) is arranged on the feeding seat (29).

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