Cylindrical grinding machine with grinding wheel easy to replace

Abstract

The utility model discloses a cylindrical grinding machine with a grinding wheel easy to replace. The cylindrical grinding machine comprises the grinding wheel, a fixing module, a rotating module, a first position adjusting module, a controller, a supporting frame, a second position adjusting module and a grinding wheel driving module. The grinding wheel driving module comprises a first vertical plate, one side of the first vertical plate is fixedly connected with a first motor, an output shaft of the first motor penetrates through the first vertical plate, and the end of the output shaft of the first motor is fixedly connected with a gear. A cylindrical workpiece needing to be ground is fixed through the three-jaw chuck, a grinding wheel is fixed through the fixing module, the cylindrical workpiece is moved to the position close to the grinding wheel through the first position adjusting module, the three-jaw chuck drives the cylindrical workpiece to rotate through the rotating module, and the grinding wheel is rotated through the grinding wheel driving module. And through the second position adjusting module, the grinding wheel moves along the cylindrical workpiece, and grinding of different positions of the cylindrical workpiece is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cylindrical grinders, in particular to a cylindrical grinder with an easy-to-replace grinding wheel. Background Art

[0002] External cylindrical grinders are grinders that process cylindrical, conical or other shaped outer surfaces and shaft shoulder end faces of workpieces. They are the most widely used grinders that can process various cylindrical and conical outer surfaces and shaft shoulder end faces. At present, when using external cylindrical grinders, it is necessary to easily replace the grinding wheel.

[0003] The patent document with the existing announcement number CN213258504U discloses an external cylindrical grinder that is easy to replace the grinding wheel. The circular frame can be lifted up by two cylinders and extended to the top of the grinding machine body to make it out of the narrow space. Then, the circular frame is driven to rotate by the servo motor to adjust the angle of the circular frame, which is convenient for the operator to operate. Then, the motor on the sliding part is driven to move toward the operator by rotating the screw rod, which is convenient for the operator to replace and disassemble. However, the patent only realizes the function of moving the grinding wheel driven by the motor, and cannot realize the rapid replacement of the grinding wheel, which reduces the practicality.

[0004] Therefore, it is necessary to provide a cylindrical grinding machine that is easy to replace the grinding wheel to solve the above-mentioned technical problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides an external cylindrical grinder with an easy-to-replace grinding wheel.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An external cylindrical grinder with an easy-to-replace grinding wheel comprises a grinding wheel, a fixing module, a rotating module, a first position adjustment module, a controller, a supporting frame, a second position adjustment module, and a grinding wheel driving module;

[0008] Wherein, the grinding wheel driving module comprises a vertical plate 1, one side of the vertical plate 1 is fixedly connected to a motor 1, the output shaft of the motor 1 passes through the vertical plate 1, the end of the output shaft of the motor 1 is fixedly connected to a gear, the gear meshes with a gear ring, a cylinder passes through and is fixedly connected to the middle part of the gear ring, a central axis of one end of the cylinder passes through and is movably connected to the vertical plate 1, a group of grooves is provided in the cylinder, a group of square holes are respectively provided on the cylinder, a group of the grooves are respectively provided with corresponding slide rails, a group of the slide rails are respectively fixedly connected to the shaft ends of the grinding wheel, and the shaft ends of the grinding wheel are respectively provided with insertion holes;

[0009] The fixing module includes a slider 1, which is arranged in the cylinder, and the outer sides of the slider 1 are respectively connected to the corresponding connecting rods through pin hinges, one end of a group of the connecting rods are respectively connected to the corresponding L-shaped guide rods through pin hinges, a group of the L-shaped guide rods respectively pass through the corresponding square holes, a group of the L-shaped guide rods are respectively fixedly connected to the corresponding circular guide rods, a group of the circular guide rods are respectively arranged in the corresponding insertion holes, the slider 1 is threadedly connected to the screw rod 1, one end of the screw rod 1 passes through the central axis of the cylinder, and one end of the screw rod 1 is fixedly connected to the center of the turntable.

[0010] Preferably, the position adjustment module 2 includes a screw rod groove 1, which is arranged on the support frame, and a slider 2 is provided in the screw rod groove 1, and the slider 2 is fixedly connected to the vertical plate 1. The two ends of the inner side of the screw rod groove 1 are respectively movably connected to one end of the screw rod 2, and the screw rod 2 is threadedly connected to the slider 2. One end of the screw rod 2 passes through one side of the screw rod groove 1, and one end of the screw rod 2 is fixedly connected to the output shaft of the motor 2, and the motor 2 is fixedly connected to the support frame.

[0011] Preferably, the rotating module includes a vertical plate 2, one side of the vertical plate 2 is fixedly connected to the motor 3, the output shaft of the motor 3 passes through the vertical plate 2, and the end of the output shaft of the motor 3 is fixedly connected to the three-jaw chuck.

[0012] Preferably, the position adjustment module 1 includes a screw rod groove 2, and the screw rod groove 2 is arranged on the support frame. A slider 3 is provided in the screw rod groove 2, and the slider 3 is fixedly connected to the vertical plate 2. The inner two ends of the screw rod groove 2 are respectively movably connected to one end of the screw rod 3, and the screw rod 3 is threadedly connected to the slider 3. One end of the screw rod 3 passes through one side of the screw rod groove 2, and one end of the screw rod 3 is fixedly connected to the output shaft of the motor 4, and the motor 4 is fixedly connected to the support frame.

[0013] Preferably, one side of the support frame is fixedly connected to the controller.

[0014] Compared with the related art, the beneficial effects of the utility model are:

[0015] 1. Fix the cylindrical workpiece to be polished with a three-jaw chuck, fix the grinding wheel through the fixing module, move the cylindrical workpiece to a position close to the grinding wheel through the position adjustment module 1, drive the cylindrical workpiece with the three-jaw chuck to rotate through the rotating module, rotate the grinding wheel through the grinding wheel driving module, and move the grinding wheel along the cylindrical workpiece through the position adjustment module 2, so as to realize the polishing of different positions of the cylindrical workpiece;

[0016] 2. When the grinding wheel needs to be replaced, rotate the turntable in the opposite direction to disengage the circular guide rod from the insertion hole, and remove the grinding wheel for replacement. The operation is convenient. Description of the Drawings

[0017] Figure 1 This is a three-dimensional schematic diagram of the present utility model.

[0018] Figure 2 This is a three-dimensional schematic diagram of the present utility model.

[0019] Figure 3 This is a three-dimensional schematic diagram of the present utility model.

[0020] Figure 4 This is a schematic diagram of the connection structure of some parts of the present utility model.

[0021] Figure 5 This is a schematic diagram of the connection structure of some parts of the present utility model.

[0022] Figure 6 This is a schematic diagram of the connection structure of some parts of the present utility model.

[0023] Figure 7 This is a schematic diagram of the connection structure of some parts of the present utility model after being sectioned.

[0024] Figure 8 This is a schematic diagram of the connection structure of some parts of the present utility model after being sectioned.

[0025] Figure 9 This is a schematic diagram of the connection structure of some parts of the present utility model after being sectioned.

[0026] In the figure:

[0027] 1: Grinding wheel, 11, Slide rail, 12, Insertion hole;

[0028] 2: Fixing module, 21, Turntable, 22, Lead screw one, 23, Slide block one, 24, L-shaped guide rod, 25, Circular guide rod, 26, Connecting rod;

[0029] 3: Rotating module, 31, Three-jaw chuck, 32, Vertical plate two, 33, Motor three;

[0030] 4: Position adjustment module one, 41, Lead screw three, 42, Slide block three, 43, Motor four, 44, Lead screw groove two;

[0031] 5. Controller;

[0032] 6. Support frame;

[0033] 7: Position adjustment module two, 71, Lead screw groove one, 72, Slide block two, 73, Lead screw two, 74, Motor two;

[0034] 8: Grinding wheel drive module, 81, Gear ring, 82, Cylinder, 83, Motor one, 84, Gear, 85, Groove, 86, Square hole, 87, Vertical plate one;

[0035] 9. Cylindrical workpiece. Specific implementation manner

[0036] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0037] An external cylindrical grinding machine that is easy to replace the grinding wheel, including a grinding wheel 1, a fixing module 2, a rotating module 3, a position adjustment module 4, a controller 5, a support frame 6, a position adjustment module 7, and a grinding wheel drive module 8;

[0038] Among them, the grinding wheel drive module 8 includes a first vertical plate 87. One side of the first vertical plate 87 is fixedly connected to a first motor 83. The output shaft of the first motor 83 passes through the first vertical plate 87. The end of the output shaft of the first motor 83 is fixedly connected to a gear 84. The gear 84 meshes with a toothed ring 81. A cylinder 82 passes through and is fixedly connected to the middle of the toothed ring 81. One end of the central axis of the cylinder 82 passes through and is movably connected to the first vertical plate 87. A group of grooves 85 are provided in the cylinder 82. A group of square holes 86 are respectively provided on the cylinder 82. A corresponding slide rail 11 is respectively provided in a group of the grooves 85. A group of the slide rails 11 are respectively fixedly connected to the shaft ends of the grinding wheel 1. Insertion holes 12 are respectively provided at the shaft ends of the grinding wheel 1;

[0039] The fixing module 2 includes a first slider 23. The first slider 23 is arranged in the cylinder 82. The outer sides of the first slider 23 are respectively hinge-connected to corresponding connecting rods 26 through pins. One ends of a group of the connecting rods 26 are respectively hinge-connected to corresponding L-shaped guide rods 24 through pins. A group of the L-shaped guide rods 24 respectively pass through corresponding ones of the square holes 86. A group of the L-shaped guide rods 24 are respectively fixedly connected to corresponding circular guide rods 25. A group of the circular guide rods 25 are respectively arranged in corresponding ones of the insertion holes 12. The first slider 23 is threadedly connected to a first lead screw 22. One end of the first lead screw 22 passes through the central axis of the cylinder 82. One end of the first lead screw 22 is fixedly connected to the center of a turntable 21.

[0040] The position adjustment module 7 includes a first lead screw groove 71. The first lead screw groove 71 is arranged on the support frame 6. A second slider 72 is arranged in the first lead screw groove 71. The second slider 72 is fixedly connected to the first vertical plate 87. One ends of the inner sides of both ends of the first lead screw groove 71 are respectively movably connected to one end of a second lead screw 73. The second lead screw 73 is threadedly connected to the second slider 72. One end of the second lead screw 73 passes through one side of the first lead screw groove 71. The end of one end of the second lead screw 73 is fixedly connected to the output shaft of a second motor 74. The second motor 74 is fixedly connected to the support frame 6.

[0041] The rotating module 3 includes a second vertical plate 32. One side of the second vertical plate 32 is fixedly connected to a third motor 33. The output shaft of the third motor 33 passes through the second vertical plate 32, and the end of the output shaft of the third motor 33 is fixedly connected to a three-jaw chuck 31.

[0042] The first position adjustment module 4 includes a second screw groove 44. The second screw groove 44 is arranged on the support frame 6. A third slider 42 is arranged in the second screw groove 44. The third slider 42 is fixedly connected to the second vertical plate 32. The two inner ends of the second screw groove 44 are respectively movably connected to one end of a third screw 41. The third screw 41 is threadedly connected to the third slider 42. One end of the third screw 41 passes through one side of the second screw groove 44, and the end of one end of the third screw 41 is fixedly connected to the output shaft of a fourth motor 43. The fourth motor 43 is fixedly connected to the support frame 6.

[0043] One side of the support frame 6 is fixedly connected to the controller 5.

[0044] The controller 5 is electrically connected to the first motor 83, the second motor 74, the third motor 33 and the fourth motor 43 respectively.

[0045] Working principle: First, use the three-jaw chuck 31 to fix the cylindrical workpiece 9 to be polished. Insert the grinding wheel 1 into the cylinder 82, and move a set of slide rails 11 along the groove 85. At this time, rotate the turntable 21. The turntable 21 drives the first screw 22 to rotate. The first screw 22 drives the first slider 23 to slide. The first slider 23 drives the corresponding connecting rods 26 to swing respectively. A set of connecting rods 26 drive the corresponding L-shaped guide rods 24 to move along the square holes 86 respectively. At the same time, a set of L-shaped guide rods 24 drive the circular guide rod 25 to be inserted into the insertion hole 12, so that the grinding wheel 1 is fixed. At this time, stop rotating the turntable 21. Then, the controller 5 controls the fourth motor 43 to start. The fourth motor 43 drives the third slider 42 to slide. The third slider 42 drives the rotating module 3 and the cylindrical workpiece 9 to move, so that the cylindrical workpiece 9 moves to a position close to the grinding wheel 1, and then control the fourth motor 43 to turn off;

[0046] Then, the controller 5 controls the first motor 83 and the second motor 74 to start respectively. The third motor 33 drives the cylindrical workpiece 9 to rotate through the three-jaw chuck 31. At the same time, the first motor 83 drives the gear 84 to rotate. The gear 84 meshes with the gear ring 81 to rotate. The gear ring 81 drives the cylinder 82 to rotate. The cylinder 82 drives the fixing module 2, the grinding wheel 1, etc. to rotate, so that the grinding wheel 1 rotates. At the same time, the second motor 74 drives the second screw 73 to rotate. The second screw 73 drives the second slider 72 to slide. The second slider 72 drives the grinding wheel driving module 8, the fixing module 2, etc. to move, so that the grinding wheel 1 moves along the cylindrical workpiece 9, realizing the grinding of different positions of the cylindrical workpiece 9;

[0047] When the grinding wheel 1 needs to be replaced, rotate the turntable 21 in the reverse direction. Next, the movement directions of some parts of this device are opposite to the above-mentioned movement directions, so they will not be elaborated again. Make the circular guide rod 25 disengage from the insertion hole 12, and then remove the grinding wheel 1 for replacement.

[0048] Beneficial effects: Fix the cylindrical workpiece 9 to be polished with the three-jaw chuck 31, fix the grinding wheel 1 through the fixing module 2, move the cylindrical workpiece 9 to a position close to the grinding wheel 1 through the position adjustment module I 4, drive the cylindrical workpiece 9 to rotate by rotating the three-jaw chuck 31 through the rotation module 3, rotate the grinding wheel 1 through the grinding wheel drive module 8, and move the grinding wheel 1 along the cylindrical workpiece 9 through the position adjustment module II 7 to achieve grinding of the cylindrical workpiece 9 at different positions and angles. When the grinding wheel 1 needs to be replaced, rotate the turntable 21 in the reverse direction to make the circular guide rod 25 disengage from the insertion hole 12, and then remove the grinding wheel 1 for replacement.

[0049] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. A cylindrical grinder with an easily replaceable grinding wheel, characterized in that: This cylindrical grinding machine with easy-to-change grinding wheels includes: Grinding wheel (1), fixing module (2), rotating module (3), position adjustment module 1 (4), controller (5), supporting frame (6), position adjustment module 2 (7), grinding wheel driving module (8); The grinding wheel driving module (8) comprises a vertical plate (87), one side of the vertical plate (87) is fixedly connected to a motor (83), the output shaft of the motor (83) passes through the vertical plate (87), the end of the output shaft of the motor (83) is fixedly connected to a gear (84), the gear (84) meshes with a gear ring (81), a cylinder (82) passes through and is fixedly connected to the middle of the gear ring (81), the central axis of one end of the cylinder (82) passes through and is movably connected to the vertical plate (87), a group of grooves (85) is provided in the cylinder (82), a group of square holes (86) are respectively provided on the cylinder (82), a group of the grooves (85) are respectively provided with corresponding slide rails (11), a group of the slide rails (11) are respectively fixedly connected to the shaft ends of the grinding wheel (1), and the shaft ends of the grinding wheel (1) are respectively provided with insertion holes (12); The fixing module (2) comprises a slider (23), the slider (23) being arranged in the cylinder (82), the outer sides of the slider (23) being respectively connected to corresponding connecting rods (26) through pin hinges, one end of a group of connecting rods (26) being respectively connected to corresponding L-shaped guide rods (24) through pin hinges, a group of L-shaped guide rods (24) respectively passing through corresponding square holes (86), a group of L-shaped guide rods (24) being respectively fixedly connected to corresponding circular guide rods (25), a group of circular guide rods (25) being respectively arranged in corresponding insertion holes (12), the slider (23) being threadedly connected to a screw rod (22), one end of the screw rod (22) passing through the central axis of the cylinder (82), and one end of the screw rod (22) being fixedly connected to the center of the rotating disk (21).

2. The cylindrical grinding machine with easily replaceable grinding wheels according to claim 1, characterized in that: The position adjustment module 2 (7) comprises a screw rod groove 1 (71), wherein the screw rod groove 1 (71) is arranged on the support frame (6), a slider 2 (72) is arranged in the screw rod groove 1 (71), and the slider 2 (72) is fixedly connected to the vertical plate 1 (87), and the two inner ends of the screw rod groove 1 (71) are respectively movably connected to one end of the screw rod 2 (73), and the screw rod 2 (73) is threadedly connected to the slider 2 (72), and one end of the screw rod 2 (73) passes through one side of the screw rod groove 1 (71), and one end of the screw rod 2 (73) is fixedly connected to the output shaft of the motor 2 (74), and the motor 2 (74) is fixedly connected to the support frame (6).

3. The cylindrical grinding machine with easily replaceable grinding wheels according to claim 2, characterized in that: The rotating module (3) comprises a second vertical plate (32), one side of which is fixedly connected to a third motor (33), an output shaft of the third motor (33) passes through the second vertical plate (32), and an end of the output shaft of the third motor (33) is fixedly connected to a three-jaw chuck (31).

4. The cylindrical grinding machine with easily replaceable grinding wheels according to claim 3, characterized in that: The position adjustment module 1 (4) comprises a screw rod groove 2 (44), wherein the screw rod groove 2 (44) is arranged on the support frame (6), wherein a slider 3 (42) is arranged in the screw rod groove 2 (44), wherein the slider 3 (42) is fixedly connected to the vertical plate 2 (32), wherein the two inner ends of the screw rod groove 2 (44) are respectively movably connected to one end of the screw rod 3 (41), wherein the screw rod 3 (41) is threadedly connected to the slider 3 (42), wherein one end of the screw rod 3 (41) passes through one side of the screw rod groove 2 (44), wherein one end of the screw rod 3 (41) is fixedly connected to the output shaft of the motor 4 (43), and the motor 4 (43) is fixedly connected to the support frame (6).

5. The cylindrical grinding machine with easily replaceable grinding wheels according to claim 4, characterized in that: One side of the support frame (6) is fixedly connected to the controller (5).

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