Composite fine boring cutter

Abstract

The utility model belongs to the technical field of fine boring cutters, and particularly relates to a composite fine boring cutter which is characterized in that the top end of a fixed seat is fixedly connected with an adjusting assembly, the inner wall of the fixed seat is fixedly connected with a cutter changing assembly and a connecting disc, and the inner part of the fixed seat is in threaded connection with a threaded adjusting rod; and one end of the threaded adjusting rod is fixedly connected with an abutting block, the surface of the abutting block is in contact connection with a connecting plate, one side of the connecting plate is slidably connected with a connecting cylinder, and one end of the connecting plate is located in the connecting cylinder and fixedly connected with a fixing spring. The threaded adjusting rod is rotated to drive the abutting block to be separated from the surface of the connecting plate, meanwhile, the fixing spring rebounds to push the connecting cylinder and the clamping block to be separated from the surface of the clamping base, at the moment, the rotating base is rotated to drive the sun wheel to rotate, and the sun wheel rotates to drive the planet wheel and the gear ring to rotate. The gear ring rotates to drive the cutting tool block to move for tool changing operation, and the tool is changed through planetary gear transmission, so that the tool changing accuracy and stability are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fine boring cutter, concretely is a kind of composite fine boring cutter. BACKGROUND

[0002] Boring cutter is a kind of cutter for metal cutting, can be divided into fine boring cutter and rough boring cutter, rough boring cutter is used to remove workpiece metal excess, fine boring cutter is suitable for guaranteeing processing hole diameter.

[0003] Prior art has the following problems:

[0004] 1, the structure of traditional composite fine boring cutter is generally replaced by bolt disassembly cutter, so that the cutter is replaced more troublesome, the operation efficiency of device is influenced.

[0005] 2, the structure of traditional composite fine boring cutter cannot be adjusted with the cutting diameter of cutter according to the hole inner diameter of workpiece, so that the practicality of device cannot be guaranteed. INVENTION CONTENTS

[0006] In view of the deficiencies of prior art, the utility model provides a kind of composite fine boring cutter, solve the problems raised in background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of composite fine boring cutter, including fixed seat, the top of the fixed seat is fixedly connected with adjusting assembly, the inner wall of the fixed seat is fixedly connected with tool changing assembly, the inner wall of the fixed seat is fixedly connected with connecting disc, the inside of the fixed seat is threadedly connected with threaded adjusting rod, one end of the threaded adjusting rod is fixedly connected with abutment block, the surface of the abutment block is contact connection with connecting plate, the connecting plate one side is slidably connected with connecting barrel, the connecting plate one end is fixedly connected with fixed spring in the inside of connecting barrel, one end of the fixed spring is fixedly connected with rotating rod, the one end of the rotating rod is fixedly connected with rotating seat, the surface of the rotating rod is fixedly connected with clamping seat, the one side of the clamping seat is fixedly connected with sun gear, the top of the sun gear is rotatably connected with planet carrier, the inner wall of the planet carrier is equipped with movable slot, the surface of the sun gear is meshedly connected with planet wheel, the surface of the planet wheel is meshedly connected with gear ring, the inside of the gear ring is fixedly connected with cutting tool block.

[0009] Preferably, the adjusting assembly comprises a fixed rod, a connecting seat, a sliding block, a threaded rod, a dial, an adjusting nut and a connecting handle, the top end of the fixed seat is fixedly connected with the fixed rod, the top end of the fixed rod is fixedly connected with the connecting seat, one side of the connecting seat is fixedly connected with the sliding block, the surface of the sliding block is slidably connected with the connecting handle, the inside of the sliding block is threadedly connected with the threaded rod, one end of the threaded rod is rotatably connected with the adjusting nut, and one end of the adjusting nut is rotatably connected with the dial.

[0010] Preferably, the bottom end of the connecting cylinder is fixedly connected with a clamping block matched with the size of the clamping seat, and the connecting cylinder is clamped with the inner wall of the sun gear through the clamping block.

[0011] Preferably, the surface of the connecting cylinder is fixedly connected with a movable block matched with the size of the movable groove, and the connecting cylinder is slidably connected with the inner wall of the planet carrier through the movable block.

[0012] Preferably, the number of the cutting tool blocks is three groups, the positions of the cutting tool blocks are at the same center, the cutting tool blocks are equidistantly distributed inside the gear ring, and the sizes of the three groups of cutting tool blocks are different.

[0013] Preferably, the dial, the threaded rod and the connecting seat are located at the same vertical line, the diameter of the connecting seat is greater than that of the dial, and the diameter of the dial is greater than that of the threaded rod.

[0014] Preferably, the inside of the connecting handle is provided with a sliding groove matched with the size of the sliding block, and the connecting seat is slidably connected with the inside of the connecting handle through the sliding block.

[0015] Compared with the prior art, the composite fine boring cutter has the following beneficial effects:

[0016] 1. The composite fine boring cutter rotates the threaded adjusting rod, and the threaded adjusting rod drives the abutting block to move away from the surface of the connecting plate, at this time, the fixed spring rebounds to push the connecting cylinder to ascend along the planet carrier, when the clamping block is separated from the inside of the clamping seat, the rotating seat is rotated to drive the rotating rod to rotate, the rotating rod drives the sun gear to rotate, the sun gear drives the planet wheel to rotate, the planet wheel drives the gear ring and the cutting tool block to rotate along the inner wall of the connecting disc, so that the rotation replacement of the cutting tool block is realized, and the cutter replacement of the device is convenient.

[0017] 2. The composite fine boring cutter rotates the adjusting nut to drive the threaded rod to rotate, the threaded rod rotates to drive the connecting seat to slide along the inside of the connecting handle, the connecting seat slides to drive the fixed seat and the connecting disc to move, the cutting diameter of the cutter is adjusted, the cutting diameter of the cutter can be accurately controlled by observing the dial pointer, and the practicability of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the connecting seat and fixed rod structure schematic view of the utility model;

[0020] Figure 3 It is the connecting disc and screw adjusting rod structure schematic view of the utility model;

[0021] Figure 4 It is the connecting cylinder and connecting plate structure schematic view of the utility model;

[0022] Figure 5 It is the clamping seat and sun gear structure schematic view of the utility model.

[0023] In the drawing: 1, fixed seat; 2, adjusting assembly; 21, fixed rod; 22, connecting seat; 23, sliding block; 24, screw rod; 25, dial; 26, adjusting nut; 27, connecting handle; 3, tool changing assembly; 31, connecting disc; 32, screw adjusting rod; 33, abutting block; 34, connecting cylinder; 35, connecting plate; 36, fixed spring; 37, rotating rod; 38, rotating seat; 39, clamping seat; 310, sun gear; 311, planet carrier; 312, movable slot; 313, planet gear; 314, gear ring; 315, cutting tool block. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 work belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-5, in this implementation: A compound fine boring tool includes a fixed seat 1. At the top of the fixed seat 1, an adjusting component 2 is fixedly connected. Inside the inner wall of the fixed seat 1, a tool changing component 3 is fixedly connected. Inside the inner wall of the fixed seat 1, a connecting disk 31 is fixedly connected. Inside the fixed seat 1, a threaded adjusting rod 32 is threadedly connected. One end of the threaded adjusting rod 32 is fixedly connected with an abutting block 33. The surface of the abutting block 33 is in contact connection with a connecting plate 35. On one side of the connecting plate 35, a connecting cylinder 34 is slidably connected. At one end of the connecting plate 35 located inside the connecting cylinder 34, a fixing spring 36 is fixedly connected. One end of the fixing spring 36 is fixedly connected with a rotating rod 37. One end of the rotating rod 37 is fixedly connected with a rotating seat 38. On the surface of the rotating rod 37, a clamping seat 39 is fixedly connected. On one side of the clamping seat 39, a sun gear 310 is fixedly connected. At the top of the sun gear 310, a planet carrier 311 is rotatably connected. Inside the inner wall of the planet carrier 311, a moving groove 312 is provided. On the surface of the sun gear 31, a planet gear 313 is meshed. On the surface of the planet gear 313, a ring gear 314 is meshed. Inside the ring gear 314, a cutting tool block 315 is fixedly connected. By setting the tool changing component 3, it is ensured that rotating the threaded adjusting rod 32 causes the abutting block 33 to disengage from the surface of the connecting plate 35. At the same time, the fixing spring 36 rebounds to push the connecting cylinder 34 and the clamping block to disengage from the surface of the clamping seat 39. At this time, rotating the rotating seat 38 can drive the sun gear 310 to rotate. The rotation of the sun gear 310 drives the planet gear 313 and the ring gear 314 to rotate. The rotation of the ring gear 314 drives the cutting tool block 315 to move for tool changing operation. The replacement of the tool through planetary gear transmission ensures the accuracy and stability of tool replacement.

[0026] [[ID=~3]]In this embodiment, the adjusting component 2 includes a fixed rod 21, a connecting seat 22, a slider 23, a threaded rod 24, a scale disk 25, an adjusting nut 26, and a connecting handle 27. At the top of the fixed seat 1, the fixed rod 21 is fixedly connected. At the top of the fixed rod 21, the connecting seat 22 is fixedly connected. On one side of the connecting seat 22, the slider 23 is fixedly connected. On the surface of the slider 23, the connecting handle 27 is slidably connected. Inside the slider 23, the threaded rod 24 is threadedly connected. One end of the threaded rod 24 is rotatably connected with the adjusting nut 26. One end of the adjusting nut 26 is rotatably connected with the scale disk 25. By setting the adjusting component 2, it is ensured that rotating the adjusting nut 26 drives the threaded rod 24 to rotate. The rotation of the threaded rod 24 drives the connecting seat 22 to move inside the connecting handle 27. The movement of the connecting seat 22 drives the fixed seat 1 and the tool to move horizontally, achieving the effect of adjusting the diameter of the cutting tool and ensuring the practicality of the device.

[0027] The bottom end of the connecting cylinder 34 is fixedly connected with a clamping block matched in size with the clamping seat 39, and the connecting cylinder 34 is clamped with the inner wall of the sun gear 310 through the clamping block, so that the abutting block 33 pushes the connecting cylinder 34 to drive the clamping block to abut against the inner wall of the clamping seat 39, achieving the positioning effect of the sun gear 310, and ensuring that the position of the cutting tool block 315 after tool replacement will not be offset.

[0028] The surface of the connecting cylinder 34 is fixedly connected with a movable block matched in size with the movable groove 312, and the connecting cylinder 34 is slidingly connected with the inner wall of the planet carrier 311 through the movable block, so that when the rotating screw adjusting rod 32 drives the abutting block 33 to move away from the surface of the connecting plate 35, the fixed spring 36 rebounds to push the connecting cylinder 34 to slide in the inner wall of the planet carrier 311, and at the same time the clamping block is separated from the inner wall of the clamping seat 39, so that the sun gear 310 is in a movable state, and the cutting tool block 315 can be switched by rotating the rotating seat 38.

[0029] The number of the cutting tool blocks 315 is three, and the positions of the cutting tool blocks 315 are at the same center, and the cutting tool blocks 315 are distributed at equal distances inside the gear ring 314, and the sizes of the three groups of cutting tool blocks 315 are different, so as to ensure the diversity of the device tool and the machining conditions after tool replacement.

[0030] The positions of the dial 25, the threaded rod 24 and the connecting seat 22 are on the same vertical line, the diameter of the connecting seat 22 is larger than that of the dial 25, and the diameter of the dial 25 is larger than that of the threaded rod 24, so as to ensure that the rotating adjusting nut 26 can drive the threaded rod 24 to rotate, the threaded rod 24 drives the connecting seat 22 to slide in the connecting handle 27, and at the same time the connecting seat 22 drives the fixed seat 1 and the connecting disc 31 to move, achieving the adjusting effect of the device tool cutting diameter.

[0031] The connecting handle 27 is internally provided with a sliding groove matched in size with the sliding block 23, and the connecting seat 22 is slidingly connected with the inside of the connecting handle 27 through the sliding block 23, so as to ensure the stability of the connecting seat 22 and the stability of the device cutting tool adjusting cutting diameter.

[0032] The working principle and use process of the utility model: the utility model is a kind of composite fine boring cutter, when needing to replace tool in use, by rotating threaded adjusting rod 32, threaded adjusting rod 32 drives abutting block 33 to be away from the surface of connecting plate 35, at this time, fixed spring 36 is rebounded to push connecting cylinder 34 to lift along planetary carrier 311 position, when clamping block is separated from the inside of clamping seat 39, again by rotating rotating seat 38 to drive rotating rod 37 to rotate, rotating rod 37 drives sun gear 310 to rotate, sun gear 310 drives planetary gear 313 to rotate, planetary gear 313 drives gear ring 314 and cutting tool block 315 to rotate along the inner wall of connecting disc 31, so as to achieve the rotation replacement effect of cutting tool block 315, ensure that device tool replacement is convenient, simultaneously when needing to adjust the cutting diameter of tool, by rotating adjusting nut 26 to drive threaded rod 24 to rotate, threaded rod 24 rotates to drive connecting seat 22 to slide along the inside of connecting handle 27, connecting seat 22 slides to drive fixed seat 1 and connecting disc 31 to move, reach the effect of adjusting tool cutting diameter, simultaneously, the cutting diameter of tool can be accurately controlled by observing the pointer of dial 25, ensure the practicability of device.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical feature. Any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A composite finish boring cutter, comprising a fixed seat (1), the top end of the fixed seat (1) is fixedly connected with an adjusting assembly (2), the inner wall of the fixed seat (1) is fixedly connected with a tool changing assembly (3), characterized in that: The inner wall of the fixed seat (1) is fixedly connected with a connecting disc (31), the inside of the fixed seat (1) is threadedly connected with a threaded adjusting rod (32), one end of the threaded adjusting rod (32) is fixedly connected with an abutting block (33), the surface of the abutting block (33) is contactingly connected with a connecting plate (35), one side of the connecting plate (35) is slidably connected with a connecting barrel (34), the inside of the connecting plate (35) at one end is fixedly connected with a fixed spring (36) inside the connecting barrel (34), one end of the fixed spring (36) is fixedly connected with a rotating rod (37), one end of the rotating rod (37) is fixedly connected with a rotating seat (38), the surface of the rotating rod (37) is fixedly connected with a clamping seat (39), one side of the clamping seat (39) is fixedly connected with a sun gear (310), the top end of the sun gear (310) is rotatably connected with a planet carrier (311), the inner wall of the planet carrier (311) is provided with a movable groove (312), the surface of the sun gear (310) is meshingly connected with a planet gear (313), the surface of the planet gear (313) is meshingly connected with a ring gear (314), the inside of the ring gear (314) is fixedly connected with a cutting tool block (315).

2. The compound boring bar according to claim 1, wherein: The adjusting assembly (2) comprises a fixed rod (21), a connecting seat (22), a sliding block (23), a threaded rod (24), a scale disc (25), an adjusting nut (26) and a connecting handle (27), the top end of the fixed seat (1) is fixedly connected with the fixed rod (21), the top end of the fixed rod (21) is fixedly connected with the connecting seat (22), one side of the connecting seat (22) is fixedly connected with the sliding block (23), the surface of the sliding block (23) is slidably connected with the connecting handle (27), the inside of the sliding block (23) is threadedly connected with the threaded rod (24), one end of the threaded rod (24) is rotatably connected with the adjusting nut (26), one end of the adjusting nut (26) is rotatably connected with the scale disc (25).

3. The compound boring bar according to claim 1, wherein: The bottom end of the connecting barrel (34) is fixedly connected with a clamping block matching the size of the clamping seat (39), and the connecting barrel (34) is clamped with the inner wall of the sun gear (310) through the clamping block.

4. The compound boring bar according to claim 1, wherein: The surface of the connecting barrel (34) is fixedly connected with a movable block matching the size of the movable groove (312), and the connecting barrel (34) is slidably connected with the inner wall of the planet carrier (311) through the movable block.

5. The compound boring bar according to claim 1, wherein: The number of the cutting tool blocks (315) is three groups, the positions of the cutting tool blocks (315) are at the same center, the cutting tool blocks (315) are equidistantly distributed inside the ring gear (314), and the sizes of the three groups of cutting tool blocks (315) are different.

6. The compound boring bar according to claim 2, wherein: The scale disc (25), the threaded rod (24) and the connecting seat (22) are located at the same vertical line, the diameter of the connecting seat (22) is greater than that of the scale disc (25), and the diameter of the scale disc (25) is greater than that of the threaded rod (24).

7. The compound boring bar according to claim 2, wherein: The inside of the connecting handle (27) is provided with a sliding groove with a size matched with the slider (23), and the connecting seat (22) is slidably connected with the inside of the connecting handle (27) through the slider (23).

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