CN216096451U

CN216096451U - Floating boring cutter

Info

Publication number: CN216096451U
Application number: CN202121317642.6U
Authority: CN
Inventors: 蔡春喜; 李冬
Original assignee: Tianjin Tanggu Water Seal Valve Co ltd
Current assignee: Tianjin Tanggu Water Seal Valve Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-03-22
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the technical field of boring cutters and discloses a floating boring cutter which comprises a cutter bar, wherein a taper shank is fixedly arranged on the cutter bar, a limiting plate is arranged at one end of the cutter bar, which is far away from the taper shank, a connecting device is arranged between the cutter bar and the limiting plate, the connecting device comprises an inner core column and an outer core column, a cutting device is arranged on the outer core column, the cutting device comprises a boring cutter, a positioning device is arranged on the boring cutter, the positioning device comprises a lock rod, the boring cutter is movably connected with the inner core column through the lock rod, a limiting device is arranged below the lock rod, a bayonet is arranged at the position, corresponding to a movable plate, on the lock rod, the floating boring cutter is matched for use through the positioning device and the limiting device, when in use, a user only needs to place the boring cutter in a rectangular groove on the inner core column and the outer core column, and then can quickly lock through the clamping between the movable plate and the bayonet, the situation that the boring cutter is separated from the boring cutter when in use is avoided, and the practicability of the device is improved.

Description

Floating boring cutter

Technical Field

The utility model relates to the technical field of boring cutters, in particular to a floating boring cutter.

Background

The boring cutter is one of hole machining cutters, is generally a round handle, and is also commonly used in a vertical lathe for a square cutter rod of a larger workpiece, wherein the most common occasions are inner hole machining, hole expanding, profiling and the like. However, the inner hole is not only machined, the outer circle of the end face can also be machined, and the existing boring tool (such as the boring tool in encyclopedia) is only used in a habitual way, and the existing boring tool (such as the boring tool in encyclopedia) is relatively complex in structure, so that the time is greatly spent in installation, and the existing boring tool is inconvenient to disassemble, and therefore, the boring tool is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a floating boring cutter, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a boring cutter floats, including the cutter arbor, fixed mounting has the taper shank on the cutter arbor, the one end of keeping away from the taper shank on the cutter arbor is provided with the limiting plate, be provided with connecting device between cutter arbor and the limiting plate, connecting device includes inner core post and outer core post, be provided with cutting device on the outer core post, cutting device includes the boring cutter, be provided with positioner on the boring cutter, positioner includes the locking lever, the boring cutter passes through swing joint between locking lever and the inner core post, the locking lever below is provided with stop device, stop device includes the fly leaf, the bayonet socket has been seted up with the corresponding position of fly leaf on the locking lever, the locking lever passes through activity joint between bayonet socket and the fly leaf.

Preferably, the inner core column and the outer core column are concentric circles, the diameter of the outer core column is larger than that of the inner core column, the diameter of the outer core column is smaller than that of the limiting plate, rectangular grooves for installing a boring cutter are formed in the two symmetrical ends of the inner core column and the outer core column, the inner core column and the outer core column are fixedly connected, one end, close to the inner core column, of the boring cutter is provided with a spring, the inner core column and the spring are fixedly connected, the other end of the spring is in contact with the boring cutter, and the same cutting devices are arranged in the two rectangular grooves of the inner core column and the outer core column.

Preferably, the outer core column is provided with communicating grooves in a penetrating manner at positions corresponding to the two boring cutters, the lock rod is clamped with the boring cutters through the communicating grooves, the lock rod penetrates through part of the outer core column and is clamped between the outer core columns, the bayonets are arranged at one ends, far away from the outer core column, of the lock rod, the two bayonets are located on the same straight line, and the opening directions of the two bayonets are the same.

Preferably, the hole of the outer core column penetrated by the lock rod is oval, the cutting device further comprises a boring cutter through hole, the boring cutter through hole is an oval hole with the same shape as the hole of the outer core column penetrated by the lock rod, and the boring cutter through hole and the hole of the outer core column are both oval in the horizontal direction.

Preferably, the limiting device further comprises a pressing handle, the movable plate is located below the bayonet and in a position corresponding to the connecting line of the two bayonets, the movable plate is a three-section elastic plate, the lower end of the movable plate is fixedly connected with the limiting plate, the upper end of the movable plate is connected with the bayonet in a clamped mode, the pressing handle is located at one end, away from the limiting plate, of the movable plate, the pressing handle is in the same direction as the bayonet, and the pressing handle is fixedly connected with the movable plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a floating boring cutter, which has the following beneficial effects:

1. this boring cutter floats, come to cooperate the use through setting up positioner and stop device, when using, the user only need place the boring cutter in the stem and the outer rectangular channel on the stem, then just can advance line location joint to the boring cutter through the locking lever, the design of fly leaf also can carry out quick lock through the block between fly leaf and the bayonet socket and die simultaneously, the condition emergence of deviating from when the boring cutter uses has been avoided, positioner and stop device connected mode simultaneously let the user load and unload the boring cutter fast, the practicality of device has been increased.

2. This unsteady boring cutter uses through cutting device, when carrying out the boring, because set up two boring cutters and carry out the boring, compare in current single boring cutter processing mode, directly make machining efficiency double, machining efficiency has been improved, because the fenestrate shape of spring and boring cutter sets up, can have the active region corresponding with boring cutter perforation size between boring cutter and the steel pipe inner wall, just so can let the boring cutter have certain home range when carrying out the boring, prevent to make the boring cutter fracture because unable activity, and because the setting of cutter arbor and limiting plate, also can prevent that the boring cutter from carrying out irregular motion because the fenestrate size of boring cutter, thereby influence normal boring, the practicality of device has been increased.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the lower structure of the knife handle of the present invention;

FIG. 3 is a schematic view of a portion of the structure below the tool holder of the present invention.

In the figure: 1. a cutter bar; 2. a taper shank; 3. a limiting plate; 4. a connecting device; 41. an inner core column; 42. an outer core column; 5. a cutting device; 51. boring cutter; 52. a spring; 53. perforating by using a boring cutter; 6. a positioning device; 61. a lock lever; 62. a bayonet; 7. a limiting device; 71. a movable plate; 72. and (4) pressing the handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-3, a floating boring tool includes a tool bar 1, a taper shank 2 is fixedly installed on the tool bar 1, a position-limiting plate 3 is installed at one end of the tool bar 1 far from the taper shank 2, a connecting device 4 is installed between the tool bar 1 and the position-limiting plate 3, the connecting device 4 includes an inner core column 41 and an outer core column 42, a cutting device 5 is installed on the outer core column 42, the cutting device 5 includes a boring tool 51, a positioning device 6 is installed on the boring tool 51, the positioning device 6 includes a lock rod 61, the boring tool 51 is movably connected with the inner core column 41 through the lock rod 61, a position-limiting device 7 is installed below the lock rod 61, the position-limiting device 7 includes a movable plate 71, a bayonet 62 is installed at a position on the lock rod 61 corresponding to the movable plate 71, the lock rod 61 is movably clamped with the movable plate 71 through the bayonet 62, the inner core column 41 and the outer core column 42 are concentric circles, and the diameter of the outer core column 42 is larger than the inner core column 41, meanwhile, the diameter of the outer core column 42 is smaller than the limiting plate 3, two symmetrical ends of the inner core column 41 and the outer core column 42 are provided with rectangular grooves for installing the boring cutters 51, the inner core column 41 is fixedly connected with the outer core column 42, one end of the boring cutter 51 close to the inner core column 41 is provided with a spring 52, the spring 52 is fixedly connected with the inner core column 41, the other end of the spring 52 is contacted with the boring cutter 51, the two rectangular grooves of the inner core column 41 and the outer core column 42 are both provided with the same cutting device 5, the positions of the outer core column 42 corresponding to the two boring cutters 51 are both communicated and provided with a communicating groove, the lock rod 61 is clamped with the boring cutter 51 through the communicating groove, the lock rod 61 penetrates through the outer core columns 42, the bayonets 62 are arranged at one end of the lock rod 61 far away from the outer core column 42, the two bayonets 62 are positioned on the same straight line, the opening directions of the two bayonets 62 are the same, and the hole of the outer core column 42 penetrated by the lock rod 61 is elliptical, the cutting device 5 further includes a boring cutter through hole 53, the boring cutter through hole 53 is an elliptical hole having the same shape as the hole through which the outer core column 42 is inserted, and the boring cutter through hole 53 and the hole in the outer core column 42 are both horizontally elliptical.

Example two: on the basis of the first embodiment, referring to fig. 1-3, the limiting device 7 further includes a pressing handle 72, the movable plate 71 is located below the bayonet 62 and corresponds to the connection line of the two bayonets 62, the movable plate 71 is a three-section elastic plate, the lower end of the movable plate 71 is fixedly connected to the limiting plate 3, the upper end of the movable plate 71 is clamped to the bayonet 62, the pressing handle 72 is located at one end of the movable plate 71 away from the limiting plate 3, the direction of the pressing handle 72 is the same as the direction of the bayonet 62, and the pressing handle 72 is fixedly connected to the movable plate 71.

When in use, a user only needs to place the boring cutter 51 in the rectangular grooves on the inner core column 41 and the outer core column 42, and then the boring cutter 51 can be positioned and clamped through the lock rod 61, and meanwhile, the design of the movable plate 71 can also be quickly locked through the clamping between the movable plate 71 and the bayonet 62, so that the situation that the boring cutter 51 is separated when in use is avoided, and meanwhile, the positioning device 6 and the limiting device 7 are connected in a way that the user can quickly assemble and disassemble the boring cutter 51, so that the practicability of the device is increased, when in boring, because of the shape arrangement of the spring 52 and the boring cutter through hole 53, a movable area corresponding to the size of the boring cutter through hole 53 can be arranged between the boring cutter 51 and the inner wall of the steel pipe, so that the boring cutter 51 can have a certain movable range when in boring, the boring cutter 51 is prevented from being broken because of incapability of movement, and because of the arrangement of the cutter bar 1 and the limiting plate 3, the boring cutter 51 can be prevented from irregular movement due to the size of the boring cutter through hole 53, so that normal boring is influenced, and the practicability of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boring cutter floats, includes cutter arbor (1), and fixed mounting has taper shank (2) on cutter arbor (1), and the one end of keeping away from taper shank (2) on cutter arbor (1) is provided with limiting plate (3), its characterized in that: be provided with connecting device (4) between cutter arbor (1) and limiting plate (3), connecting device (4) include inner core post (41) and outer core post (42), be provided with cutting device (5) on outer core post (42), cutting device (5) include boring cutter (51), be provided with positioner (6) on boring cutter (51), positioner (6) include locking lever (61), swing joint between boring cutter (51) and inner core post (41) through locking lever (61), locking lever (61) below is provided with stop device (7), stop device (7) include fly leaf (71), bayonet socket (62) have been seted up with fly leaf (71) corresponding position on locking lever (61), lock lever (61) pass through the activity joint between bayonet socket (62) and fly leaf (71).

2. The floating boring tool as set forth in claim 1, wherein: the inner core column (41) and the outer core column (42) are concentric circles, rectangular grooves for installing a boring cutter (51) are formed in the two symmetrical ends of the inner core column (41) and the outer core column (42), the inner core column (41) and the outer core column (42) are fixedly connected, one end, close to the inner core column (41), of the boring cutter (51) is provided with a spring (52), the spring (52) and the inner core column (41) are fixedly connected, the other end of the spring (52) is in contact with the boring cutter (51), and the same cutting devices (5) are arranged in the two rectangular grooves of the inner core column (41) and the outer core column (42).

3. The floating boring tool as set forth in claim 2, wherein: the outer core column (42) is provided with a communicating groove through corresponding positions of the two boring cutters (51), the lock rod (61) is connected with the boring cutters (51) in a clamped mode through the communicating groove, the lock rod (61) penetrates through the outer core column (42) of the outer core column (42) in a clamped mode, the bayonet (62) is arranged at one end, away from the outer core column (42), of the lock rod (61), the two bayonet (62) are located on the same straight line, and the opening directions of the two bayonet (62) are the same.

4. The floating boring tool as set forth in claim 3, wherein: stop device (7) still include and press handle (72), and fly leaf (71) are located bayonet socket (62) below and the corresponding position of two bayonet socket (62) line, and fly leaf (71) are the syllogic elastic plate, fixed connection between fly leaf (71) lower extreme and limiting plate (3), looks joint between fly leaf (71) upper end and bayonet socket (62), press handle (72) to be located the one end that limiting plate (3) were kept away from in fly leaf (71), and press handle (72) direction and bayonet socket (62) direction the same, press fixed connection between handle (72) and fly leaf (71).

5. The floating boring tool as set forth in claim 3, wherein: the hole of the outer core column (42) penetrated by the lock rod (61) is oval, the cutting device (5) further comprises a boring cutter through hole (53), the boring cutter through hole (53) is an oval hole with the shape identical to that of the hole of the outer core column (42), and the boring cutter through hole (53) and the hole of the outer core column (42) are both oval in the horizontal direction.