CN219853219U

CN219853219U - Fine adjustment mechanism of boring device

Info

Publication number: CN219853219U
Application number: CN202320638200.4U
Authority: CN
Inventors: 周云; 桂冬琴; 张国文
Original assignee: Taixing Shuntian Machinery Co ltd
Current assignee: Taixing Shuntian Machinery Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-10-20
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the technical field of boring devices and discloses a fine adjustment mechanism of a boring device, which comprises a cutter, wherein a mounting sleeve is sleeved on the cutter in a sliding way, a threaded hole is formed in one side, away from a cutter head, of the mounting sleeve, an adjusting rod is connected in the threaded hole in a threaded way, one end, extending into the mounting sleeve, of the adjusting rod is rotationally connected with the cutter, a dial and a knob are rotationally connected to the mounting sleeve, a limiter is arranged on the dial, the knob is in sliding connection with the adjusting rod, a locking mechanism is arranged on the mounting sleeve, and the locking mechanism is movably connected with one end, away from the mounting sleeve, of the adjusting rod.

Description

Fine adjustment mechanism of boring device

Technical Field

The utility model relates to the technical field of boring devices, in particular to a fine adjustment mechanism of a boring device.

Background

Boring refers to the further processing of forging, casting or drilling a hole. The boring hole can enlarge the aperture, improve the precision, reduce the surface roughness and correct the deflection of the original hole axis well. When the boring device is used for boring, firstly, a small part of a machined hole needs to be subjected to trial cutting boring, then the machining aperture is measured, then a boring cutter is detached from a machine tool and is mounted on a tool setting gauge to finely adjust the size of the boring cutter so as to obtain the correct aperture size, and finally, boring operation is carried out.

At present, a fine adjustment mechanism of a boring device in the market pushes a cutter to achieve fine adjustment through a screw rod, and a corresponding vernier dial is arranged on a rotating part of the screw rod to control the feeding amount of a cutter head, so that the disassembly and assembly of the cutter are reduced, the machining efficiency is improved, but when the boring device is used for a long time, the screw rod is easy to wear and creep, so that cutter yielding is caused, the boring size is possibly out of tolerance, numerical values in the middle of scale marks are difficult to define when the initial size is determined, reading is difficult, and the adjustment and machining precision is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a fine adjustment mechanism of a boring device, which is provided with a locking mechanism and is convenient to adjust.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a fine setting mechanism of boring device, includes the cutter, the installation cover has been cup jointed in the slip on the cutter, the screw hole has been seted up to one side that the installation cover deviates from the cutter tool bit, threaded hole threaded connection has the regulation pole, the one end that the regulation pole extends into in the installation cover is rotated with the cutter and is connected, the installation is sheathe in to rotate and is connected with calibrated scale and knob, install the stopper on the calibrated scale, knob and regulation pole sliding connection, be provided with locking mechanism on the installation cover, locking mechanism and regulation pole deviate from the one end swing joint of installation cover.

The utility model is further provided with: the installation sleeve comprises a sleeve body, the sleeve body is in sliding connection with the cutter, one side of the sleeve body deviating from the cutter is provided with a first installation ring, the dial is arranged on the first installation ring, one side of the first installation ring deviating from the cutter is provided with a second installation ring, the knob is arranged on the second installation ring, and the end face of the knob is attached to the end face of the dial.

The utility model is further provided with: the rotary knob is annular, a pointer is arranged on the outer ring surface of the rotary knob, the pointer is attached to the scale, a driving block is arranged on the inner ring surface of the rotary knob, and the driving block is correspondingly and slidably connected with a groove of the adjusting rod.

The utility model is further provided with: the limiter comprises a spring, one end of the spring is fixed on a groove surface of one side of the limiting groove, facing the axis of the dial, of the limiting groove, the other end of the spring extends out of the limiting groove along the radial direction of the dial and is connected with a pull ring, a limiting rod is arranged on the pull ring, and the limiting rod penetrates through the dial and is attached to the first mounting ring.

The utility model is further provided with: the locking mechanism comprises a thread bush, a plurality of fixing frames are connected to the thread bush, the fixing frames are fixed to the bush body, the thread bush is sleeved on the adjusting rod, a pressing ring is arranged inside the thread bush, the pressing ring is arranged between threads of the thread bush and the adjusting rod, one side of the pressing ring, deviating from a cutter, is contracted along the radial direction, and a plurality of contraction grooves are formed in the pressing ring.

The utility model is further provided with: one side of the thread bush, which is far away from the cutter, is in threaded connection with a locking ring, the locking ring is sleeved on the adjusting rod, and one side of the annular surface of the locking ring, which faces the thread bush, is arranged in a horn shape and is movably connected with the outer annular surface of the pressing ring.

The utility model has the advantages that:

1. the locking mechanism is arranged at the tail end of the adjusting rod, and the pressing ring is pushed to retract inwards by screwing the locking ring, so that the adjusting rod is tightly pressed, the connection between the adjusting rod and the mounting sleeve is reinforced, the occurrence of cutter yielding is reduced, the reaction force of the cutter to the adjusting rod during cutting operation is reduced, the abrasion of the joint of the adjusting rod and the threaded hole is reduced, and the service life of the fine adjustment mechanism is prolonged;

2. the dial of this mechanism is connected for rotating with the installation cover, is provided with the stopper in the radial of dial, thereby the stopper supports tight installation cover through spring pulling gag lever post fixed dial, when confirming initial dimension, can pull the gag lever post and remove the locking of calibrated scale, and the calibrated scale is adjusted to scale mark and pointer alignment or return to zero to avoid estimating the numerical value that is in the middle of the scale mark and read, made things convenient for the adjustment of reading and size, improved machining precision.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 4 is a schematic view of the installation sleeve structure of the present utility model;

FIG. 5 is a schematic diagram of a dial configuration of the present utility model;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a schematic view of a knob according to the present utility model;

in the figure: 1. a cutter; 2. a mounting sleeve; 201. a sleeve body; 202. a first mounting ring; 203. a second mounting ring; 204. a threaded hole; 3. a dial; 301. a scale; 302. a limit groove; 4. a knob; 401. a pointer; 402. a driving block; 5. an adjusting rod; 6. a thread sleeve; 601. a pressing ring; 602. a shrink tank; 7. a locking ring; 8. a fixing frame; 9. a limiter; 901. a spring; 902. a limit rod; 903. and (5) a pull ring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-7, the present utility model provides the following technical solutions:

the utility model provides a fine setting mechanism of boring device, including cutter 1, cup joint installation cover 2 on the cutter 1, installation cover 2 includes the cover body 201, cover body 201 and cutter 1 sliding connection, screw hole 204 has been seted up to the one side that the cover body 201 deviates from the cutter 1 tool bit, screw hole 204 internal thread connection has regulation pole 5, the one end that regulation pole 5 extends into cover body 201 rotates with cutter 1 to be connected, second collar 203 has been seted up to the one side that the cover body 201 deviates from cutter 1, rotate on the second collar 203 and be connected with knob 4, knob 4 is cyclic annular, be provided with driving piece 402 on the interior anchor ring of knob 4, driving piece 402 corresponds sliding connection with the recess on the regulation pole 5; the knob 4 is rotated, and the driving block 402 drives the adjusting rod 5 to rotate in the threaded hole 204, so that the size of the cutter 1 extending out of the sleeve 201 is adjusted, and fine adjustment of the bore hole diameter is realized.

The sleeve body 201 is provided with a first mounting ring 202, the first mounting ring 202 is arranged on one side, facing the cutter 1, of the second mounting ring 203, the first mounting ring 202 is rotationally connected with a dial 3, the end face of the dial 3 is attached to the end face of a knob 4, a scale 301 is arranged on the attaching face of the dial 3 and the knob 4, a pointer 401 is arranged on the outer ring face of the knob 4, and the pointer 401 is attached to the scale 301; so that the movement amount of the adjusting lever 5 can be read in time when the knob 4 is turned.

A limiting groove 302 is formed in the dial 3 in the radial direction, a limiter 9 is installed in the limiting groove 302, the limiter 9 comprises a spring 901, one end of the spring 901 is fixed on the bottom of the limiting groove 302, the free end of the spring 901 extends out of the limiting groove 302 in the radial direction of the dial 3 and is connected with a pull ring 903, the pull ring 903 is connected with a limiting rod 902, and the limiting rod 902 penetrates through the dial 3 and is attached to the first mounting ring 202; the gag lever post 902 is laminated with the surface of first collar 202 under spring 901's pulling force effect under the normality to fixed calibrated scale 3's position guarantees calibrated scale 3 and can not rotate at will and influence the reading, when initial reading is in the position in the middle of the scale mark, can pull the pull ring 903, releases calibrated scale 3 and first collar 202's fixed, then rotates calibrated scale 3 to the angle of the reading of being convenient for, has made things convenient for the regulation of processingquality, makes the regulation precision improve, thereby has improved the machining precision.

The mounting sleeve 2 is provided with a locking mechanism, the locking mechanism is movably connected with one end of the adjusting rod 5, which is far away from the mounting sleeve 2, the locking mechanism comprises a thread sleeve 6, a plurality of fixing frames 8 are connected to the thread sleeve 6, the fixing frames 8 are all fixed on a sleeve body 201, the thread sleeve 6 is sleeved on the adjusting rod 5, a pressing ring 601 is arranged in the thread sleeve 6, the pressing ring 601 is arranged between the threads of the thread sleeve 6 and the adjusting rod 5, one side of the pressing ring 601, which is far away from the cutter 1, is contracted inwards in the radial direction, a plurality of contraction grooves 602 are formed in the pressing ring 601, one side of the thread sleeve 6, which is far away from the cutter 1, is connected with a locking ring 7 in a threaded manner, the locking ring 7 is sleeved on the adjusting rod 5, and one side, facing the thread sleeve 6, of the inner ring of the locking ring 7 is in a horn shape and is movably connected with the outer ring of the pressing ring 601; when the extension size of the cutter 1 needs to be adjusted, the locking ring 7 is unscrewed, so that the extrusion of the adjusting ring 601 is cancelled, the locking mechanism loosens the fixation of the adjusting rod 5, the adjusting rod 5 is rotated to adjust the cutter 1, after the adjustment is completed, the locking ring 7 is screwed, the adjusting ring 601 extrudes the shrinkage groove 602 inwards, the adjusting rod 5 is abutted, the connection of the adjusting rod 5 and the mounting sleeve 2 is reinforced, and the occurrence of cutter yielding and the abrasion of the connection part of the adjusting rod 5 and the threaded hole 204 are reduced; the locking ring 7 is fed along the axial direction when being screwed, so that the pressing ring 601 is uniformly pressed, the circumferential direction of the adjusting rod 5 is uniformly extruded by the pressing ring 601, and the connection of the adjusting rod 5 and the threaded hole 204 is not additionally influenced.

Specifically, when trial cutting is performed, the locking ring 7 is screwed tightly, so that the pressing ring 601 presses against the adjusting rod 5, the connection between the adjusting rod 5 and the mounting sleeve 2 is enhanced, cutter yielding is prevented, and the trial cutting size is more accurate;

measuring the actual aperture after trial cutting is completed, confirming the size required to be regulated by the cutter 1, reading the scale indicated by the current pointer 401, if the current scale is inconvenient to read, pulling the pull ring 903 to separate the limit rod 902 from the first mounting ring 202, rotating the dial 3 until the scale indicated by the pointer 401 is convenient to read, releasing the pull ring 903 to fix the dial 3, and confirming the current reading;

the locking ring 7 is unscrewed, the pressing of the pressing ring 601 is removed, the locking mechanism is released, the locking of the adjusting rod 5 is released, the knob 4 is rotated until the cutter 1 reaches the size expected to be adjusted, the locking ring 7 is screwed again, the adjusting rod 5 is reinforced, and the fine adjustment of the machining size is completed.

The locking mechanism is arranged at the tail end of the adjusting rod 5, and the pressing ring 601 is pushed to shrink inwards by screwing the locking ring 7, so that the adjusting rod 5 is pressed tightly, the connection between the adjusting rod 5 and the mounting sleeve 2 is reinforced, the occurrence of cutter yielding is reduced, the reaction force of the cutter to the adjusting rod 5 during cutting operation is reduced, the abrasion of the joint of the adjusting rod 5 and the threaded hole 204 is reduced, and the service life of the fine adjustment mechanism is prolonged;

the dial 3 is rotationally connected with the mounting sleeve 2, the limiter 9 is arranged on the dial 3 in the radial direction, the limiter 9 pulls the limiting rod 902 to abut against the mounting sleeve 2 so as to fix the dial 3, when the initial size is determined, the limiting rod 902 can be pulled to unlock the dial 3, and the dial 3 is rotated until the scale mark is aligned with the pointer 401 or is reset to zero, so that the numerical value in the middle of the scale mark is prevented from being estimated and read, the adjustment of the reading and the size is facilitated, and the processing precision is improved.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fine setting mechanism of bore hole device, includes cutter (1), its characterized in that: the utility model discloses a cutting tool, including cutter (1), cutter (1) and rotary knob, install cover (2) have been slided and have been cup jointed, one side that cutter (1) tool bit was deviate from to install cover (2) has been seted up screw hole (204), screw hole (204) internal thread connection has regulation pole (5), the one end that adjusts pole (5) extension in install cover (2) rotates with cutter (1) to be connected, rotate on install cover (2) and be connected with calibrated scale (3) and knob (4), install stopper (9) on calibrated scale (3), knob (4) and regulation pole (5) sliding connection, be provided with locking mechanism on install cover (2), locking mechanism and the one end swing joint that regulation pole (5) deviate from install cover (2).

2. A fine tuning mechanism of a boring device according to claim 1, wherein: the utility model provides a mounting sleeve (2) is including the cover body (201), the cover body (201) is provided with first collar (202) with cutter (1) sliding connection, one side that the cover body (201) deviates from cutter (1), calibrated scale (3) set up on first collar (202), one side that first collar (202) deviates from cutter (1) is provided with second collar (203), knob (4) set up on second collar (203), the terminal surface of knob (4) is laminated with the terminal surface of calibrated scale (3) mutually.

3. A fine tuning mechanism of a boring device according to claim 2, wherein: the rotary dial is characterized in that a limit groove (302) is formed in the dial (3) in the radial direction, the limiter (9) is arranged in the limit groove (302), a scale (301) is arranged on the joint surface of the dial (3) and the rotary knob (4), the rotary knob (4) is annular, a pointer (401) is arranged on the outer annular surface of the rotary knob (4), the pointer (401) is attached to the scale (301), a driving block (402) is arranged on the inner annular surface of the rotary knob (4), and the driving block (402) is in corresponding sliding connection with the groove of the adjusting rod (5).

4. A fine tuning mechanism for a boring device according to claim 3, wherein: the limiter comprises a spring (901), one end of the spring (901) is fixed on a groove surface of one side of a limiting groove (302) facing the axis of the dial (3), the other end of the spring (901) extends out of the limiting groove (302) along the radial direction of the dial (3) and is connected with a pull ring (903), a limiting rod (902) is arranged on the pull ring (903), and the limiting rod (902) penetrates through the dial (3) and is attached to a first mounting ring (202).

5. The fine tuning mechanism of a boring device according to claim 4, wherein: the locking mechanism comprises a thread bush (6), a plurality of fixing frames (8) are connected to the thread bush (6), the fixing frames (8) are all fixed to the bush body (201), the thread bush (6) is sleeved on the adjusting rod (5), a pressing ring (601) is arranged inside the thread bush (6), the pressing ring (601) is arranged between threads of the thread bush (6) and the adjusting rod (5), one side of the pressing ring (601) deviating from a cutter (1) contracts along the radial direction, and a plurality of contraction grooves (602) are formed in the pressing ring (601).

6. The fine tuning mechanism of a boring device according to claim 5, wherein: one side of the thread sleeve (6) deviating from the cutter (1) is in threaded connection with a locking ring (7), the locking ring (7) is sleeved on the adjusting rod (5), and one side of the inner ring surface of the locking ring (7) facing the thread sleeve (6) is in a horn shape and is movably connected with the outer ring surface of the pressing ring (601).