Cutting device for key groove machining

Abstract

A cutting device for key groove machining comprises a workbench, a plurality of supporting legs are fixedly installed at the bottom of the workbench, a triangular chuck is fixedly installed on one side of the workbench, a motor is installed on the workbench, a rotating disc is fixedly installed on an output shaft of the motor, and a moving mechanism capable of driving a tool bit to reciprocate is arranged on the rotating disc. A hollow rectangular block is arranged on the periphery of each tool bit, first through grooves are formed in the two sides of each rectangular block, the tool bits are slidably installed in the first through grooves respectively, the tool bits are slidably installed in the rectangular blocks, the rectangular blocks are provided with first lead screws corresponding to the tool bits, and the first lead screws are slidably installed in the rectangular blocks. The key groove cutter is simple in structure, ingenious in conception and suitable for popularization, the position of the cutter head can be rapidly adjusted so that the depth of a cut key groove can be changed according to actual requirements, meanwhile, the position of the cutter head can be finely adjusted so that it can be guaranteed that the size of the machined key groove meets the requirements, and the actual requirements can be met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mechanical cutting processing, specifically a cutting device for keyway processing. BACKGROUND

[0002] Keyway refers to a groove matched with a key on the shaft or in the hole, with the development of mechanical processing technology, there are many kinds of keyway processing equipment, cutting processing refers to the cutting of redundant materials from the workpiece surface by using a tool with regular shape, so as to ensure that the geometric shape, size accuracy, surface roughness and surface layer quality meet the design requirements, the patent with the authorization announcement number CN218426005U: a cutting device for keyway processing, the device discloses a device capable of adjusting the keyway cutting depth according to actual needs, but the device needs to be continuously rotated when adjusting the keyway cutting depth each time, which leads to a long time, therefore, we design a cutting device for keyway processing capable of quickly adjusting the tool head. INNOVATION CONTENT

[0003] The utility model provides a cutting device for keyway processing to solve the defects in the prior art.

[0004] The utility model is implemented by the following technical schemes:

[0005] A cutting device for keyway processing, including the workbench, the bottom of the workbench is fixedly installed with a plurality of supporting legs, one side of the workbench is fixedly installed with a triangular chuck, a motor is installed on the workbench, a rotating disc is fixedly installed on the output shaft of the motor, a moving mechanism capable of driving the tool head to reciprocate is arranged on the rotating disc, the outer periphery of the tool head is provided with a hollow rectangular block, first through grooves are formed in the two sides of the rectangular block, the tool heads are respectively slidably installed in the first through grooves, the tool heads are slidably installed in the rectangular block, the rectangular block is provided with a first lead screw corresponding to the tool head, the first lead screw is slidably installed in the rectangular block and extends out of the rectangular block, a first shaft sleeve is rotatably installed at one end of the first lead screw, the first shaft sleeve is fixedly connected with the tool head, moving blocks are respectively arranged on the upper side of the first lead screw, threaded holes are formed in the moving blocks and are in threaded engagement with the first lead screw, a sliding rod is fixedly installed on the moving blocks and slidably installed on the rectangular block, a moving plate is fixedly installed at the upper end of the sliding rod, the moving blocks and the rectangular block are connected through springs.

[0006] The cutting device for keyway processing is as described above, a second lead screw is rotatably installed on the workbench, the second lead screw is rotatably installed on the workbench, a second sliding block is threadedly and cooperatively installed on the outer periphery of the second lead screw, the motor is fixedly installed on the second sliding block, a hand wheel is coaxially fixedly installed at one end of the second lead screw.

[0007] The cutting device for keyway machining has the moving mechanism, the fixed rod is fixedly installed on the rotating disc, the second shaft sleeve is rotatably installed on the outer periphery of the fixed rod, the connecting rod is fixedly installed on the outer periphery of the second shaft sleeve, one end of the connecting rod is hingedly connected with one end of the moving rod, the moving rod is slidably installed in the third sliding sleeve, the third sliding sleeve is installed on the workbench, the other end of the moving rod is fixedly installed with the rectangular block, and the rectangular block is fixedly installed on the connecting rod.

[0008] The cutting device for keyway machining has the moving mechanism, the fixed rod is fixedly installed on the rotating disc, the second shaft sleeve is rotatably installed on the outer periphery of the fixed rod, the connecting rod is fixedly installed on the outer periphery of the second shaft sleeve, one end of the connecting rod is hingedly connected with one end of the moving rod, the moving rod is slidably installed in the third sliding sleeve, the third sliding sleeve is installed on the workbench, the other end of the moving rod is fixedly installed with the rectangular block, and the rectangular block is fixedly installed on the connecting rod.

[0009] The cutting device for keyway machining has the moving mechanism, the fixed rod is fixedly installed on the rotating disc, the second shaft sleeve is rotatably installed on the outer periphery of the fixed rod, the connecting rod is fixedly installed on the outer periphery of the second shaft sleeve, one end of the connecting rod is hingedly connected with one end of the moving rod, the moving rod is slidably installed in the third sliding sleeve, the third sliding sleeve is installed on the workbench, the other end of the moving rod is fixedly installed with the rectangular block, and the rectangular block is fixedly installed on the connecting rod.

[0010] The cutting device for keyway machining has the moving mechanism, the fixed rod is fixedly installed on the rotating disc, the second shaft sleeve is rotatably installed on the outer periphery of the fixed rod, the connecting rod is fixedly installed on the outer periphery of the second shaft sleeve, one end of the connecting rod is hingedly connected with one end of the moving rod, the moving rod is slidably installed in the third sliding sleeve, the third sliding sleeve is installed on the workbench, the other end of the moving rod is fixedly installed with the rectangular block, and the rectangular block is fixedly installed on the connecting rod.

[0011] The cutting device for keyway machining has the moving mechanism, the fixed rod is fixedly installed on the rotating disc, the second shaft sleeve is rotatably installed on the outer periphery of the fixed rod, the connecting rod is fixedly installed on the outer periphery of the second shaft sleeve, one end of the connecting rod is hingedly connected with one end of the moving rod, the moving rod is slidably installed in the third sliding sleeve, the third sliding sleeve is installed on the workbench, the other end of the moving rod is fixedly installed with the rectangular block, and the rectangular block is fixedly installed on the connecting rod. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative labor.

[0013] Figure 1 is a structural schematic view of the present application; Figure 2 is Figure 1 A view of Figure 3 is Figure 1 B view of Figure 4 is Figure 1 I partial enlarged view of Figure 5 is Figure 4 C view of Figure 6 is Figure 5 D view of

[0014] Mark No. : 1, workbench, 2, support leg, 3, triangular chuck, 4, motor, 5, rotary table, 6, cutter head, 7, rectangular block, 8, first through slot, 9, first screw rod, 10, second through slot, 11, first sliding block, 12, first sliding groove, 13, first shaft sleeve, 14, moving block, 15, threaded hole, 16, sliding rod, 17, third through slot, 18, moving plate, 19, spring, 20, second screw rod, 21, second sliding block, 22, hand wheel, 30, fixed rod, 31, second shaft sleeve, 32, connecting rod, 33, moving rod, 34, third sliding sleeve, 40, sliding rail, 41, second sliding groove, 50, placing groove, 51, groove, 52, cross rod, 60, internal hexagonal groove. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0016] A cutting device for keyway machining, comprising Figure 1 , 2, 3, 4, 5, 6, including the workbench 1, the bottom of the workbench 1 is fixedly installed with several supporting legs 2, one side of the workbench 1 is fixedly installed with a triangular chuck 3, the triangular chuck is prior art, and will not be described in detail here, a motor 4 is installed on the workbench 1, a rotating disc 5 is fixedly installed on the output shaft of the motor 4, the rotating disc 5 is provided with a moving mechanism capable of driving a tool bit 6 to reciprocate, the outer periphery of the tool bit 6 is provided with a hollow rectangular block 7, the rectangular block 7 can be moved into a through hole in the center of the triangular chuck 3, first through grooves 8 are formed in the two sides of the rectangular block 7, the tool bit 6 is slidably installed in the first through grooves 8, the tool bit 6 can only slide up and down in the first through grooves 8, the tool bit 6 is slidably installed in the rectangular block 7, a first sliding block 11 is fixedly installed at the end of the rectangular block 7 away from the first through grooves 8, a first sliding groove 12 is formed in the rectangular block 7 corresponding to the first sliding block 11, the first sliding block 11 is slidably installed in the first sliding groove 12, when the rectangular block 7 slides along the first through grooves 8, the first sliding block 11 slides in the first sliding groove 12, so that the tool bit 6 always remains horizontal, and the tool bit 6 is prevented from being completely moved out of the rectangular block 7, the rectangular block 7 is provided with a first screw rod 9 corresponding to the tool bit 6, the end of the first screw rod 9 extending out of the rectangular block 7 is shorter than the distance of the tool bit 6 extending out of the rectangular block 7, and the first screw rod 9 will not affect the machining of the tool bit 6 on the workpiece, the first screw rod 9 is slidably installed in the rectangular block 7 and extends out of the rectangular block 7, second through grooves 10 are formed in the two sides of the rectangular block 7, the first screw rod 9 is slidably installed in the second through grooves 10 and extends out of the rectangular block 7 through the second through grooves 10, a first shaft sleeve 13 is rotatably installed at one end of the first screw rod 9, the outer periphery of the one end of the first screw rod 9 is rotatably connected to the inner hole of the first shaft sleeve 13 through a bearing, the first shaft sleeve 13 is fixedly connected to the tool bit 6, the outer periphery of the first shaft sleeve 13 is fixedly connected to one side of the tool bit 6 through a connecting rod, moving blocks 14 are respectively arranged on the upper side of the first screw rod 9, threaded holes 15 are formed in the moving blocks 14 and threadedly engaged with the first screw rod 9, the moving blocks 14 are located at the ends of the first screw rod 9 away from each other, sliding rods 16 are fixedly installed on the moving blocks 14 and slidably installed on the rectangular block 7, third through grooves 17 are formed in the rectangular block 7, the sliding rods 16 are slidably installed in the third through grooves 17, the sliding rods 16 extend out of the rectangular block 7 through the third through grooves 17, moving plates 18 are fixedly installed at the upper ends of the sliding rods 16, the moving plates 18 will not affect the machining of the keyway, springs 19 are arranged between the moving blocks 14 and the rectangular block 7, the springs 19 are sleeved on the outer peripheries of the sliding rods 16, one end of the springs 19 is fixedly connected to the inner wall of the rectangular block 7, and the other end of the springs 19 is fixedly connected to one end of the moving blocks 14.When the utility model is used, first, the workpiece to be processed is clamped to the triangular chuck 3, the triangular chuck 3 clamps it, the moving plate 18 is pulled upwards, the spring 19 is stretched, the moving plate 18 drives the moving block 14 to move upwards, the threaded hole 15 is separated from the first lead screw 9, at this time, the threaded hole 15 releases the limiting of the first lead screw 9, at this time, according to actual needs, the first lead screw 9 on both sides is pulled, the first lead screw 9 drives the tool bit 6 to move, the position of the tool bit 6 on both sides is quickly adjusted, when the tool bit 6 moves to the appropriate position, the moving plate 18 is loosened, the spring 19 drives the moving plate 18 and the moving block 14 to reset, the threaded hole 15 is re-engaged with the first lead screw 9, if the threaded hole 15 cannot be engaged with the first lead screw 9 at this time, the first lead screw 9 is rotated, the threaded direction of the first lead screw 9 is adjusted, until the threaded hole 15 is engaged with the first lead screw 9, at this time, the threaded hole 15 re-limits the first lead screw 9, the first lead screw 9 is rotated, the first lead screw 9 drives the moving block 14 to move, the first lead screw 9 drives the tool bit 6 to move, the position of the tool bit 6 is finely adjusted, so that the position of the tool bit 6 is more accurate, and the size of the keyway processed meets the requirements.

[0017] Specifically, as shown in the figure, the second lead screw 20 is rotatably installed on the workbench 1, the second lead screw 20 is rotatably installed on the workbench 1, the outer periphery of the second lead screw 20 is threadedly matched with the second sliding block 21, a threaded hole is formed in the second sliding block 21, the second lead screw 20 is threadedly matched in the threaded hole, the second sliding block 21 can only move forward and backward along the second lead screw 20 and cannot rotate, the motor 4 is fixedly installed on the second sliding block 21, and one end of the second lead screw 20 is fixedly installed with the coaxial hand wheel 22. When it is necessary to adjust the position of the rectangular block 7, the second lead screw 20 is driven to rotate by rotating the hand wheel 22, the second sliding block 21 drives the motor 4, the rectangular block 7 and the tool bit 6 to move, at this time, the tool bit 6 on one side is far away from the corresponding workpiece on this side and cannot contact the workpiece, at this time, the keyway cutting can be performed on one side of the workpiece only, and the actual demand can be met.

[0018] Specifically, as shown in the figure, the moving mechanism comprises a fixed rod 30, the fixed rod 30 is fixedly installed on the rotating disc 5, the outer periphery of the fixed rod 30 is rotatably installed with the second shaft sleeve 31, the outer periphery of the second shaft sleeve 31 is fixedly installed with the connecting rod 32, one end of the connecting rod 32 is hingedly connected with one end of the moving rod 33, the moving rod 33 is slidably installed in the third sliding sleeve 34, the third sliding sleeve 34 is installed on the workbench 1, the third sliding sleeve 34 is fixedly installed on the second sliding block 21, the other end of the moving rod 33 is fixedly installed with the rectangular block 7, and the rectangular block 7 is fixedly installed on the connecting rod 32. The output shaft of the motor 4 drives the rotating disc 5 to rotate, the rotating disc 5 drives the second shaft sleeve 31 to rotate through the fixed rod 30, the second shaft sleeve 31 drives the connecting rod 32 to move, and the connecting rod 32 drives the moving in the third sliding sleeve 34, so as to drive the rectangular block 7 and the tool bit 6 to reciprocate and cut the workpiece.

[0019] Further, as shown in the figure, the bottom of the second sliding block 21 is slidably fitted with a slide rail 40, the bottom of the second sliding block 21 is provided with a second sliding groove 41 matched with the slide rail 40, the slide rail 40 is slidably installed in the second sliding groove 41, and the slide rail 40 is fixedly installed on the workbench 1. When the second sliding block 21 moves along the second lead screw 20, the slide rail 40 can limit the second sliding block 21 to prevent the second sliding block 21 from rotating with the second lead screw 20.

[0020] Further, as shown in the figure, the rectangular block 7 is provided with a placing groove 50 corresponding to the moving plate 18, the moving plate 18 is completely located in the placing groove 50, the moving plate 18 is provided with a recess 51, the third through groove 17 is communicated with the recess 51, and a cross rod 52 is fixedly installed in the recess 51. The moving plate 18 is completely located in the placing groove 50, which can prevent the moving plate 18 from affecting the machining when machining. When it is needed to pull the moving plate 18 upward, a tool is inserted into the recess 51 to hook the cross rod 52, and then the moving plate 18 is pulled upward.

[0021] Further, as shown in the figure, one end of the first lead screw 9 is provided with an internal hexagonal recess 60. When it is needed to rotate the first lead screw 9, an internal hexagonal wrench is clamped into the internal hexagonal recess 60, and then the internal hexagonal wrench is rotated.

[0022] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A cutting device for keyway machining, comprising a worktable (1), several support legs (2) fixedly installed at the bottom of the worktable (1), a triangular chuck (3) fixedly installed on one side of the worktable (1), a motor (4) installed on the worktable (1), a turntable (5) fixedly installed on the output shaft of the motor (4), and a moving mechanism capable of driving a cutting head (6) to reciprocate on the turntable (5), characterized in that: The outer periphery of the cutter head (6) is provided with an internally hollow rectangular block (7), first through grooves (8) are formed in two sides of the rectangular block (7), the cutter head (6) is slidingly installed in the first through grooves (8), the cutter head (6) is slidingly installed in the rectangular block (7), the rectangular block (7) is provided with a first lead screw (9) corresponding to the cutter head (6), the first lead screw (9) is slidingly installed in the rectangular block (7) and extends out of the rectangular block (7), one end of the first lead screw (9) is rotatably installed with a first shaft sleeve (13), the first shaft sleeve (13) is fixedly connected with the cutter head (6), the upper side of the first lead screw (9) is provided with a moving block (14), a threaded hole (15) threadedly engaged with the first lead screw (9) is formed in the moving block (14), a sliding rod (16) slidingly installed on the rectangular block (7) is fixedly installed on the moving block (14), a moving plate (18) is fixedly installed on the upper end of the sliding rod (16), and the moving block (14) and the rectangular block (7) are connected through a spring (19).

2. The cutting apparatus for keyway machining according to claim 1, characterized in that: The second lead screw (20) is rotatably installed on the workbench (1), the second lead screw (20) is rotatably installed on the workbench (1), and the outer periphery of the second lead screw (20) is threadedly and cooperatively installed with a second sliding block (21), the motor (4) is fixedly installed on the second sliding block (21), and one end of the second lead screw (20) is fixedly installed with a coaxial hand wheel (22).

3. The keyway machining cutting device according to claim 1, characterized in that: The moving mechanism comprises a fixed rod (30) fixedly installed on the rotating disc (5), a second shaft sleeve (31) rotatably installed on the outer periphery of the fixed rod (30), a connecting rod (32) fixedly installed on the outer periphery of the second shaft sleeve (31), one end of the connecting rod (32) hingedly connected with one end of a moving rod (33), the moving rod (33) slidingly installed in a third sliding sleeve (34), the third sliding sleeve (34) installed on the workbench (1), the other end of the moving rod (33) fixedly installed with the rectangular block (7), and the rectangular block (7) fixedly installed on the connecting rod (32).

4. The keyway machining cutting device according to claim 2, characterized in that: The bottom of the second sliding block (21) is slidingly and cooperatively provided with a sliding rail (40), and the sliding rail (40) is fixedly installed on the workbench (1).

5. The keyway machining cutting device according to claim 1, characterized in that: A placing groove (50) is formed in the rectangular block (7) corresponding to the moving plate (18), a recess (51) is formed in the moving plate (18), the third through groove (17) communicates with the recess (51), and a cross rod (52) is fixedly installed in the recess (51).

6. The keyway machining cutting device according to claim 1, characterized in that: An internal hexagonal recess (60) is formed in one end of the first lead screw (9).

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