CN218015908U

CN218015908U - Small-diameter hard alloy boring cutter positioning device

Info

Publication number: CN218015908U
Application number: CN202221704133.3U
Authority: CN
Inventors: 林道亮
Original assignee: Sant Precision Machinery Ltd
Current assignee: Sant Precision Machinery Ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-12-13
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to the technical field of boring cutters, in particular to a small-diameter hard alloy boring cutter positioning device, which comprises a connecting rod, a guide groove and a cutter sleeve, wherein the connecting rod is arranged inside the cutter sleeve; the utility model discloses, stopper and the guide way cooperation through setting up realize the purpose of location, the constant head tank direct card of connecting rod rear side is in the location drive round pin outside, realizes the accurate location of connecting rod, makes its inboard cutting press board and connecting rod in close contact with realization fixed purpose through rotating the cutting press screw, and this kind of setting can realize the location to the connecting rod fast, avoids the connecting rod to take place self when using to rotate simultaneously, guarantees the processingquality of boring cutter.

Description

Small-diameter hard alloy boring cutter positioning device

Technical Field

The utility model relates to a boring cutter technical field specifically is a small diameter carbide boring cutter positioner.

Background

The boring cutter is one of boring cutters, generally a round handle, and also has a square cutter bar for a larger workpiece, the most common occasions are inner hole processing, hole expanding, profiling and the like, the boring cutter is provided with one or two cutting parts and is specially used for carrying out rough machining, semi-finish machining or finish machining on the existing hole, the boring cutter can be used on a boring machine, a lathe or a milling machine, and the part of the boring cutter has a square handle, a Morse taper handle and 7:24 taper shank, etc., the double-edged boring cutter has two cutter teeth which are distributed on two sides of the center and cut simultaneously, because the radial forces generated during cutting are mutually balanced, the cutting amount can be increased, the production efficiency is high, the double-edged boring cutter is divided into a floating boring cutter and a fixed boring cutter according to whether the blade floats on the boring bar, and the floating boring cutter is suitable for fine machining of holes.

When the existing alloy boring cutter is installed, a connecting rod is generally inserted into a cutter sleeve firstly, then a cutter pressing screw is rotated to extrude the connecting rod, and then a cutter jacking screw at the tail part of the connecting rod is rotated to abut against the connecting rod to realize the purpose of fixing the connecting rod.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small diameter carbide boring cutter positioner to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a small diameter carbide boring cutter positioner, includes connecting rod, guide way and broach shell, the connecting rod sets up inside the broach shell, connecting rod one end fixedly connected with alloy boring cutter arbor, the blade is installed to the alloy boring cutter arbor other end, the constant head tank has been seted up to the connecting rod opposite side, the inside location drive round pin that is equipped with of constant head tank, the guide way of horizontal setting is all seted up to terminal surface about the connecting rod, the inside protection machanism that is equipped with of guide way, the protection machanism outside is spiral connection with the broach shell.

Preferably, the location driving pin is vertically installed inside the knife pouch, the constant head tank is the arc setting, location driving pin outside and constant head tank inner wall in close contact with, this kind of setting is used for avoiding the knife pouch to rotate when using, guarantees processingquality.

Preferably, the inside top spiral connection of broach shell has the die cutting screw, the terminal surface rotates and is connected with the die cutting board under the die cutting screw, the arc setting is personally submitted to die cutting board lower extreme, the terminal surface is in close contact with the connecting rod under the die cutting board, the die cutting board outside is sliding connection with the broach shell, and the die cutting board is used for extrudeing the broach shell and realizes fixing when the die cutting screw rotates.

Preferably, protection machanism includes adapter sleeve, expanding spring and sliding plate, adapter sleeve one end is threaded connection with the broach shell, expanding spring is all installed to both sides about the adapter sleeve is inside, expanding spring one end fixedly connected with sliding plate, sliding plate other end fixedly connected with backup pad, backup pad other end fixedly connected with rotor plate, the inside rotation of rotor plate one end is connected with the pivot, both sides all are fixed connection with the adapter sleeve around the pivot, the stopper that the inboard equal fixedly connected with of adapter sleeve set up from top to bottom, the stopper is sliding connection through guide way and connecting rod, and this kind of setting guarantees that the broach shell slides to the location driving pin outside accurately in the constant head tank of its rear side when removing for the location purpose.

Preferably, the outer side of the sliding plate is in sliding connection with the connecting sleeve, the supporting plate is arranged in an arc shape, and the supporting plate is used for being in close contact with the cutter sleeve to fix the cutter sleeve.

Preferably, the backup pad outside all is equipped with the spacing ring, the spacing ring outside is fixed connection with the adapter sleeve, the spacing ring inboard is sliding connection with the backup pad, and the setting of spacing ring is used for avoiding sliding plate and adapter sleeve separation, guarantees that equipment uses steadily.

Preferably, the rotating plate quantity is two, and the rotating plate semicircular in shape sets up, and this kind of setting is used for sealing the uncovered position of sword cover and adapter sleeve, avoids outside dust impurity to get into wherein, guarantees that the connecting rod can be with the normal stable connection of sword cover.

Compared with the prior art, the beneficial effects of the utility model are that:

in the utility model, the purpose of positioning is realized by the matching of the set limiting block and the guide groove, when the connecting rod slides to the inside of the cutter sleeve, the positioning groove at the rear side of the connecting rod is directly clamped outside the positioning driving pin, so that the connecting rod is accurately positioned, and then the cutter pressing plate at the inner side of the connecting rod is in close contact with the connecting rod by rotating the cutter pressing screw so as to realize the purpose of fixing;

because the knife pouch adopts uncovered setting when the long-time use of knife pouch, inevitable has a large amount of dust impurity to get into wherein, influences the installation accuracy of connecting rod, leads to the operating mass with rated load of blade, and this device can be when the connecting rod is taken out through the expanding spring, sliding plate, backup pad and the rotor plate that set up, and the uncovered position self-closing of its knife pouch avoids the dust to get into, guarantees that the knife pouch is inside clean, guarantees the installation accuracy of connecting rod.

Drawings

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

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a sectional view of the protection mechanism of the present invention.

In the figure: 1. a connecting rod; 2. a guide groove; 3. a knife sheath; 4. positioning a groove; 5. positioning the drive pin; 6. an alloy boring cutter bar; 7. a protection mechanism; 701. connecting sleeves; 702. a tension spring; 703. a sliding plate; 704. a support plate; 705. a limiting ring; 706. a rotating plate; 707. a rotating shaft; 708. a limiting block; 8. a blade; 9. pressing a cutter screw; 10. and a knife pressing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a small diameter carbide boring cutter positioner, including connecting rod 1, guide way 2 and broach shell 3, above-mentioned connecting rod 1 sets up inside

broach shell

3, 1 one end fixedly connected with alloy boring cutter arbor 6 of above-mentioned connecting rod, blade 8 is installed to the 6 other ends of above-mentioned alloy boring cutter arbor, constant head tank 4 has been seted up to 1 opposite side of above-mentioned connecting rod, the inside location driving round 5 that is equipped with of above-mentioned constant head tank 4, horizontal guide way 2 that sets up is all seted up to terminal surface about above-mentioned connecting

rod

1, 2 inside guard mechanism 7 that are equipped with of above-mentioned guide way, 7 outsides of above-mentioned guard mechanism are screw connection with broach shell 3.

Above-mentioned location drive round 5 vertically installs inside the sword cover 3, and above-mentioned constant head tank 4 is the arc setting, and above-mentioned location drive round 5 outside and constant head tank 4 inner wall in close contact with, this kind of setting is used for avoiding sword cover 3 rotations when using, guarantees processingquality.

The inside top spiral connection of above-mentioned knife pouch 3 has pressing sword screw 9, and the terminal surface rotates and is connected with cutting board 10 under the above-mentioned pressing sword screw 9, and the lower terminal surface of above-mentioned cutting board 10 personally submits the arc setting, and the terminal surface is in close contact with connecting rod 1 under the above-mentioned cutting board 10, and the above-mentioned cutting board 10 outside is sliding connection with knife pouch 3, and cutting board 10 is used for extrudeing knife pouch 1 and realizes fixing when pressing sword screw 9 rotates.

Above-mentioned safeguard mechanism 7 includes adapter sleeve 701, expanding spring 702 and sliding plate 703, above-mentioned adapter sleeve 701 one end is threaded connection with the broach shell 3, expanding spring 702 is all installed to both sides about above-mentioned adapter sleeve 701 is inside, above-mentioned expanding spring 702 one end fixedly connected with sliding plate 703, above-mentioned sliding plate 703 other end fixedly connected with backup pad 704, above-mentioned backup pad 704 other end fixedly connected with rotor plate 706, the inside rotation of above-mentioned rotor plate 706 one end is connected with pivot 707, both sides all are fixed connection with adapter sleeve 701 around above-mentioned pivot 707, the inboard equal fixedly connected with of above-mentioned adapter sleeve 701 is the stopper 708 that sets up from top to bottom, above-mentioned stopper 708 is sliding connection through guide way 2 and connecting rod 1, this kind of setting guarantees that the constant head tank 4 of broach shell 1 its rear side when removing slides to the 5 outsides of location drive pin, be used for the location purpose.

The outer side of the sliding plate 703 is slidably connected to the connecting sleeve 701, and the supporting plate 704 is disposed in an arc shape, and is configured to be in close contact with the knife pouch 1 to fix the knife pouch 1.

The outside of the support plate 704 is provided with a limit ring 705, the outside of the limit ring 705 is fixedly connected with the connecting sleeve 701, the inside of the limit ring 705 is slidably connected with the support plate 704, and the limit ring 705 is arranged to prevent the sliding plate 703 from being separated from the connecting sleeve 701, so that the stable use of the device is ensured.

The number of the rotating plates 706 is two, and the rotating plates 706 are arranged in a semicircular shape, and the arrangement is used for sealing the open positions of the knife pouch 3 and the connecting sleeve 1, so that external dust and impurities are prevented from entering the connecting sleeve, and the connecting rod 1 can be normally and stably connected with the knife pouch 3.

The working process is as follows: when the alloy boring cutter is installed, firstly, the blade 8 is installed at the end of the alloy boring cutter rod 6, the positioning driving pin 5 is installed inside the cutter sleeve 3, then the guide grooves 2 on the upper side and the lower side of the connecting rod 1 are aligned with the limiting block 708, the connecting rod 1 slides towards the inside of the cutter sleeve 3, at the moment, one end of the connecting rod 1 is in contact with the rotating plate 706, the rotating plate 706 is extruded and rotates under the action of the rotating shaft 707, when the rotating plate 706 slides to the grooves on the upper inner side and the lower inner side of the connecting sleeve 701, the connecting rod 1 continues to slide, the purpose of accurate positioning can be achieved when the positioning groove 4 of the connecting rod 1 is in close contact with the positioning driving pin 5, then the pressing cutter screw 9 is rotated manually, the pressing cutter screw 9 rotates to drive the pressing cutter plate 10 below to move downwards, the pressing cutter plate 10 moves downwards to be in close contact with the connecting rod 1, fixing of the connecting rod 1 is achieved, and the situation that the connecting rod 1 cannot rotate when the connecting rod is used is arranged, and machining quality is guaranteed.

Example 2

Referring to fig. 1-4, the present invention provides a technical solution:

broach shell

rod

The protection mechanism 7 comprises a connecting sleeve 701, a telescopic spring 702 and a sliding plate 703, one end of the connecting sleeve 701 is in spiral connection with the cutter sleeve 3, the telescopic spring 702 is installed on the upper side and the lower side of the inside of the connecting sleeve 701, the sliding plate 703 is fixedly connected to one end of the telescopic spring 702, a supporting plate 704 is fixedly connected to the other end of the sliding plate 703, a rotating plate 706 is fixedly connected to the other end of the supporting plate 704, a rotating shaft 707 is rotatably connected to one end of the rotating plate 706, the front side and the rear side of the rotating shaft 707 are fixedly connected with the connecting sleeve 701 respectively, a limiting block 708 which is vertically arranged is fixedly connected to the inner side of the connecting sleeve 701 respectively, and the limiting block 708 is in sliding connection with the connecting rod 1 through a guide groove 2.

The outer sides of the supporting plates 704 are respectively provided with a limiting ring 705, the outer sides of the limiting rings 705 are fixedly connected with the connecting sleeve 701, the inner sides of the limiting rings 705 are in sliding connection with the supporting plates 704, and the limiting rings 705 are arranged to prevent the sliding plates 703 from being separated from the connecting sleeve 701, so that stable use of the device is guaranteed.

The working process is as follows: when the alloy boring cutter is disassembled, the cutter pressing plate 10 below the cutter pressing screw 9 is driven to be separated from the connecting rod 1 by rotating, then the connecting rod 1 is moved, the disassembling action can be realized, after the disassembling is completed, the sliding plate 703 slides under the action of the telescopic spring 702, the sliding plate 703 drives the supporting plate 704 to move by sliding, the supporting plate 704 extrudes the rotating plate 706 to rotate, the rotating plate 706 rotates under the action of the rotating shaft 707, the rotating plates 706 on the two sides are in a butt joint state, the open part of the connecting sleeve 701 can be sealed at the moment, external dust and impurities are prevented from entering the connecting sleeve 701, the next installation work is ensured to be carried out smoothly, the limiting ring 705 is arranged to prevent the sliding plate 703 from being separated from the connecting sleeve 701, and the normal use of the device is ensured.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a small diameter carbide boring cutter positioner, includes connecting rod (1), guide way (2) and broach shell (3), its characterized in that: the utility model discloses a cutter sleeve, including connecting rod (1), blade (8), constant head tank (4) have been seted up to connecting rod (1) one end fixedly connected with alloy boring cutter arbor (6), blade (8) are installed to alloy boring cutter arbor (6) other end, constant head tank (4) have been seted up to connecting rod (1) opposite side, constant head tank (4) inside is equipped with location drive round pin (5), horizontal guide way (2) that set up are all seted up to the terminal surface about connecting rod (1), inside guard mechanism (7) that are equipped with of guide way (2), the guard mechanism (7) outside is screw connection with cutter sleeve (3).

2. The small-diameter hard alloy boring cutter positioning device as claimed in claim 1, characterized in that: the positioning driving pin (5) is longitudinally arranged inside the knife sleeve (3), the positioning groove (4) is arc-shaped, and the outer side of the positioning driving pin (5) is in close contact with the inner wall of the positioning groove (4).

3. The positioning device for the micro-diameter hard alloy boring cutter as claimed in claim 1, wherein: the utility model discloses a broach is characterized in that sword cover (3) inside top spiral connection has pressing tool screw (9), terminal surface rotates under pressing tool screw (9) and is connected with pressing tool plate (10), the arc setting is personally submitted to pressing tool plate (10) lower extreme, terminal surface and connecting rod (1) are in close contact under pressing tool plate (10), the pressing tool plate (10) outside is sliding connection with sword cover (3).

4. The positioning device for the micro-diameter hard alloy boring cutter as claimed in claim 1, wherein: protection machanism (7) are including adapter sleeve (701), expanding spring (702) and sliding plate (703), adapter sleeve (701) one end is threaded connection with sword cover (3), expanding spring (702) are all installed to both sides about adapter sleeve (701) is inside, expanding spring (702) one end fixedly connected with sliding plate (703), sliding plate (703) other end fixedly connected with backup pad (704), backup pad (704) other end fixedly connected with rotor plate (706), rotor plate (706) one end internal rotation is connected with pivot (707), both sides all are fixed connection with adapter sleeve (701) around pivot (707), the equal fixedly connected with in adapter sleeve (701) inboard is stopper (708) that sets up from top to bottom, stopper (708) are sliding connection through guide way (2) and connecting rod (1).

5. The small-diameter hard alloy boring cutter positioning device as claimed in claim 4, characterized in that: the outer side of the sliding plate (703) is in sliding connection with the connecting sleeve (701), and the supporting plate (704) is arranged in an arc shape.

6. The small-diameter hard alloy boring cutter positioning device as claimed in claim 4, wherein: the outer side of the supporting plate (704) is provided with a limiting ring (705), the outer side of the limiting ring (705) is fixedly connected with the connecting sleeve (701), and the inner side of the limiting ring (705) is in sliding connection with the supporting plate (704).

7. The small-diameter hard alloy boring cutter positioning device as claimed in claim 4, wherein: the number of the rotating plates (706) is two, and the rotating plates (706) are arranged in a semicircular shape.