CN204545471U - The elimination tooth bar gap adjusting-fixing structure of fine setting bore hole - Google Patents
The elimination tooth bar gap adjusting-fixing structure of fine setting bore hole Download PDFInfo
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- CN204545471U CN204545471U CN201520044685.XU CN201520044685U CN204545471U CN 204545471 U CN204545471 U CN 204545471U CN 201520044685 U CN201520044685 U CN 201520044685U CN 204545471 U CN204545471 U CN 204545471U
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Abstract
The utility model proposes a kind of elimination tooth bar gap adjusting-fixing structure of finely tuning bore hole, head for boring bar body is provided with dovetail groove and dovetail seat, head for boring bar body is provided with an elongated hole, a tooth bar is fixed with pivot knot, the thin external screw thread of tooth bar can establish a helical pitch element for spiral shell, helical pitch element and adjusting seat are provided with joint portion and engagement groove, this helical pitch element other end is provided with a screw, be installed with an adjustment element and a lock member established by lock, helical pitch element and adjustment element are holed corresponding to thin external screw thread place and are attacked and establish the first thin internal thread and the second thin internal thread, lock member is provided with the center of adjustment element and bores a hole and screw, perforation and screw wear locking one screw, adjusting this adjustment element by lock member does vertical and without the displacement up and down of rotating, this adjustment element is allowed to be the thin external screw thread that the second thin internal thread of semicircle can envelope tooth bar, to adjust the fitness of helical pitch element and tooth bar.
Description
Technical field
The elimination tooth bar gap adjusting-fixing structure of the utility model fine setting bore hole, is mainly applied to controllable and eliminates the technical of tooth bar gap.
Background technology
At present, traditional borer, must control the precision of cutter, only has the correctness of borer displacement scale, bore hole just can be made to cut aperture and reach required aperture size and tolerance.
Traditional borer, please consult shown in Fig. 1: be existing section combination schematic diagram.Primarily of: head for boring bar body 10, adjusting seat 20, axle is held element 30, tooth bar 40, helical pitch element 50 and combined, wherein:
The center of this head for boring bar body 10 one side is provided with a sleeve joint hole 11, the middle of this head for boring bar body 10 another side is provided with the dovetail groove 13 of a depression, can for being installed with an adjusting seat 20 in this dovetail groove 13, the inside of this head for boring bar body 10 is provided with the elongated hole 14 always wearing sleeve joint hole 11 along dovetail groove 13 direction, this elongated hole 14 is positioned at major axis one end and is provided with a fish eyelet run through 15, this fish eyelet 15 can supply installing one bearing B, this elongated hole 14 is positioned at the major axis other end and is provided with a radial hole do not run through 17, this radial hole 17 is provided with an axial hole run through 18, this axial hole 18 can hold element 30 for installing one axle, hold element 30 pivot by this bearing B and axle to tie and fix a tooth bar 40,
Dovetail groove 13 place that this adjusting seat 20 corresponds to head for boring bar body 10 is provided with a dovetail seat 21, allow this head for boring bar body 10 that dovetail groove 13 can be utilized to wear slippage on the dovetail seat 21 of adjusting seat 20, the dovetail seat 21 of this adjusting seat 20 corresponds to elongated hole 14 side and is provided with an engagement groove 22, this engagement groove 22 can in conjunction with a helical pitch element 50, this engagement groove 22 outside is provided with the 3rd screw 23 run through, 3rd screw 23 can fix one the 3rd screw P3 for lock knot, locks knot fix a helical pitch element 50 by the 3rd screw P3;
This axle is held element 30 one end and is provided with a U-type groove 31, this U-type groove 31 can tie a tooth bar 40 for pivot, the center that this axle holds element 30 is provided with the 4th screw the 33, four screw 33 running through U-type groove 31 can fix one the 4th screw P4 for lock knot, locks knot fix tooth bar 40 by the 4th screw P4;
One end that this tooth bar 40 holds element 30 corresponding to axle is provided with an annular groove 41, this annular groove 41 can be arranged at axle for pivot knot and hold in the U-type groove 31 of element 30, this tooth bar 40 can freely be rotated, the other end that this tooth bar 40 corresponds to bearing B to be arranged in bearing B and to be provided with a dial 42, this dial 42 can supply centring alignment line 16, as the use of the size of fine setting bore hole, this tooth bar 40 is provided with a thin external screw thread 43 between annular groove 41 and dial 42, this thin external screw thread 43 can establish a helical pitch element 50 for spiral shell, the center of this dial 52 outside is provided with one in hexagonal driver slot 44, this driver slot 44 can insert for die nut, be used as and rotate tooth bar 40 forward or backwards, to finely tune the size of bore hole,
Engagement groove 55 place that this helical pitch element 50 one end corresponds to adjusting seat 20 is provided with a joint portion 51, the 3rd screw P3 place that this joint portion 51 corresponds to engagement groove 22 is provided with a plane 52, be used as the 3rd screw P3 lock knot fixing, thin external screw thread 43 place that this helical pitch element 50 corresponds to tooth bar 40 is provided with one first thin internal thread 54, the thin internal thread 54 of this helical pitch element 50 in wholecircle can supply the thin external screw thread 43 of lock thread bar 40, by the bore size that adjusts.
But, when rotating the tooth bar 40 of vernier boring spot facing cutter inside, because the gap of tooth bar 40 itself, make the displacement scale of borer incorrect, more difficult fine setting is to required right value, but the tooth bar 40 rotated all can have gap, if Long-Time Service, thin internal thread 54 and the thin external screw thread 43 of helical pitch element 50 and tooth bar 40, because rub the wearing and tearing caused for a long time, strengthen making thin internal thread 54 with the gap that thin external screw thread 43 cooperatively interacts, the accuracy of finely tuning is caused to reduce, and problem can be continuous worsening and cannot improve, finally again can only change micro-adjusting mechanism, increase maintenance cost, for it had both deposited the problem and disappearance waiting to overcome solution.
Utility model content
The utility model applicant is engaged in manufacture, the design of Related product at present, accumulate practical experience for many years and gains in depth of comprehension, the borer commonly used for tradition cannot regulate and control and eliminate the problem and disappearance of both having deposited in tooth bar gap, drop into innovation and the spirit improved energetically, the elimination tooth bar gap adjusting-fixing structure of the fine setting bore hole completed.
The utility model provides following technical scheme:
Finely tune an elimination tooth bar gap adjusting-fixing structure for bore hole, comprising: a head for boring bar body, an adjusting seat, an axle hold element, a tooth bar, adjustment element and a lock member, wherein:
The center of this head for boring bar body one side is provided with a sleeve joint hole, the surrounding of this sleeve joint hole is provided with multiple screw, this sleeve joint hole can fix a bore hole handle of a knife for socket lock knot, and by multiple screw, bore hole handle of a knife lock knot is fixed in multiple screws of head for boring bar body, the middle of this head for boring bar body another side is provided with the dovetail groove of a depression, can for being installed with an adjusting seat in this dovetail groove, the inside of this head for boring bar body is provided with the elongated hole always wearing sleeve joint hole along dovetail groove direction, this elongated hole is positioned at major axis one end and is provided with a fish eyelet run through, this fish eyelet can supply installing one bearing, this fish eyelet outside is provided with a center alignment line, this elongated hole is positioned at the major axis other end and is provided with a radial hole do not run through, this radial hole is provided with an axial hole run through, this axial hole can hold element for installing one axle, hold element pivot by this bearing and axle to tie and fix a tooth bar, the both sides of this axial hole are provided with 2 second screws, this 2 second screw can supply locking 2 second screw, the position that axle holds element is adjusted by this 2 second screw,
The dovetail groove place that this adjusting seat corresponds to head for boring bar body is provided with a dovetail seat, allow this head for boring bar body that dovetail groove can be utilized to wear slippage in the dovetail seat of adjusting seat, the dovetail seat of this adjusting seat corresponds to elongated hole side and is provided with an engagement groove, this engagement groove can in conjunction with a helical pitch element, this engagement groove outside is provided with the 3rd screw run through, 3rd screw can fix one the 3rd screw for lock knot, tied by the 3rd screwed lock and fix a helical pitch element, the axis of this adjusting seat and radial place be provided with run through mutually always to Kong Yuyi transverse holes, this is directly provided with three screws to hole and transverse holes place, this three screw can for three countersink head screw lockings, this directly can for wearing always to borer to hole, and it is fixing to lock knot by a countersink head screw, this transverse holes can for wearing a cross boring cutter, and it is fixing to lock knot by three countersink head screws,
This axle is held element one end and is provided with a U-type groove, this U-type groove can tie a tooth bar for pivot, this axle is held the element other end and is provided with two groovings corresponding to 2 second screw places, allow two heads of this 2 second screw can be located in two groovings, adjust axle by this 2 second screw and hold the position of element at axial hole, the center that this axle holds element is provided with the 4th screw that runs through U-type groove, and the 4th screw can fix one the 4th screw for lock knot, is tied fix tooth bar by the 4th screwed lock;
One end that this tooth bar holds element corresponding to axle is provided with an annular groove, this annular groove can be arranged at axle for this tooth bar pivot knot and hold in the U-type groove of element, this tooth bar can freely be rotated, this tooth bar corresponds to the other end of bearing and to be arranged in bearing and to be provided with a dial, this dial can supply centring alignment line, as the use of the size of fine setting bore hole, this tooth bar is provided with a thin external screw thread between annular groove and dial, this thin external screw thread can establish a helical pitch element for spiral shell, the center of this dial outside is provided with one in hexagonal driver slot, this driver slot can insert for die nut, as the use of rotating tooth bar forward or backwards, to finely tune the size of bore hole,
The engagement groove place that this helical pitch element one end corresponds to adjusting seat is provided with a joint portion, and the 3rd screw place that this joint portion corresponds to engagement groove is provided with a plane, as the use that the 3rd screwed lock knot is fixing;
This helical pitch element other end is provided with a screw, this screw can for being installed with an adjustment element and a lock member established by lock, this helical pitch element and adjustment element correspond to the thin external screw thread place of tooth bar and first hole to attack again and establish a first thin internal thread and in wholecircle to be the second thin internal thread of semicircle, this helical pitch element be wholecircle the first thin internal thread can for lock spiral shell in the thin external screw thread of tooth bar, as adjustment bore size use;
The thin external screw thread place that this adjustment element one end corresponds to thread bar is provided with the second thin internal thread that is semicircle, the second thin internal thread that should be semicircle can for the thin external screw thread of coated tooth bar, as the use of blind-mate tooth bar, this adjustment element other end corresponds to lock member place and is provided with a positioning convex portion, as the use of positioning locking element, the center of this adjustment element is provided with one the 5th screw, and the 5th screw can fix one the 5th screw for lock knot;
The screw place that this lock member outside corresponds to helical pitch element is provided with an external screw teeth, this external screw teeth can be fixed in the screw of helical pitch element for this lock member lock knot, this adjustment element is adjusted vertical and without the displacement up and down of rotating by this lock member, the location division place that this lock member center corresponds to adjustment element is provided with a detent, as the use of the location, location division of adjustment element, the center of this lock member is provided with a perforation, these perforation both sides are provided with two driver slots, this two driver slot can insert for instrument, as the use of forward or this lock member of backwards rotation, this perforation can wear for the 5th screw, by the 5th screw, adjustment element and lock member are locked knot to be integrally fixed.
In an optional embodiment: this head for boring bar body is provided with a profile groove in dovetail groove side, to form a movable pressing board, this dovetail groove outside corresponds to movable pressing board middle and is provided with a screw run through, this screw can for wearing a set screw, the both sides of this screw are provided with 2 first screws, this 2 first screw can supply locking 2 first screw, regulates opening of movable pressing board or collapse state, be used as the dovetail seat of the adjusting seat that is clamped by this set screw and 2 first screws.
The utility model deal with problems applied technological means and contrast prior art effect be: the corresponding surface of head for boring bar body and adjusting seat is provided with and cunning can wears the dovetail groove and dovetail seat established mutually, this head for boring bar body is provided with an elongated hole along dovetail groove direction, the two ends of this elongated hole are provided with bearing and axle holds element, a tooth bar is fixed with pivot knot, this tooth bar is provided with a thin external screw thread, this thin external screw thread can establish a helical pitch element for spiral shell, this helical pitch element and the corresponding position of adjusting seat are provided with the joint portion and engagement groove that can be combined mutually, this helical pitch element other end is provided with a screw, this screw can for being installed with an adjustment element and a lock member established by lock, this helical pitch element and adjustment element correspond to the thin external screw thread place of tooth bar and first hole to attack again and establish a first thin internal thread and in wholecircle to be the second thin internal thread of semicircle, this lock member is provided with corresponding perforation and screw with the center of adjustment element, this perforation and screw can for wearing locking one screw, the use that knot is integrally fixed is locked as by lock member and adjustment element, adjusting this adjustment element in order to do utilizing this lock member does vertical and without the displacement up and down of rotating, this adjustment element is allowed to be the thin external screw thread that the second thin internal thread of semicircle can envelope tooth bar, with the fitness of adjust helical pitch element and tooth bar, to eliminate the gap that Long-Time Service causes, and the second thin internal thread contact area of being somebody's turn to do in semicircle is large, be not easy abrasion, and by lock member and screw, the precision of working good and gap can be fixed, Long-Time Service is not easy to loosen shakiness because of external factor, having the enhancement in effect, is the main purpose that it is reached.
Accompanying drawing explanation
Fig. 1: the section assembling schematic diagram being prior art.
Fig. 2: be solid assembling generalized section of the present utility model.
Fig. 3: be perspective exploded view of the present utility model.
Fig. 4: be section of the present utility model assembling schematic diagram.
Fig. 5: the B-B generalized section being Fig. 4.
Fig. 6: the E-E generalized section being Fig. 4.
Fig. 7: be that the utility model is applied to directly to the section assembling schematic diagram of borer.
Fig. 8: be the section assembling schematic diagram that the utility model is applied to cross boring cutter.
Fig. 9: the using state schematic diagram being the utility model adjustment bore size.
Figure 10: the K portion enlarged diagram being Fig. 9.
Figure 11: be the using state schematic diagram that the utility model eliminates tooth bar gap.
Figure 12: the C portion enlarged diagram being Figure 11.
Figure 13: be that the utility model will adjust element and lock member and to lock all-in-one-piece view.
Figure 14: the Y portion enlarged diagram being Figure 13.
Wherein, description of reference numerals is as follows:
10 head for boring bar bodies
11 sleeve joint holes
12 screws
13 dovetail grooves
131 profile grooves
132 movable pressing boards
133 screws
134 first screws
14 elongated holes
15 fish eyelets
16 center alignment line
17 radial holes
18 axial holes
19 second screws
20 adjusting seats
21 dovetail seats
22 engagement grooves
23 the 3rd screws
24 is straight to hole
25 transverse holes
26 screws
27 countersink head screws
30 axles hold element
31 U-type groove
32 groovings
33 the 4th screws
40 tooth bars
41 annular grooves
42 dials
43 thin external screw threads
44 hexagon driver slots
50 helical pitch elements
51 joint portions
52 planes
53 screws
54 first thin internal threads
60 adjustment elements
61 second thin internal threads
62 positioning convex portion
63 the 5th screws
70 lock members
71 external screw teeths
72 detents
73 perforation
74 circular drives grooves
80 bore hole handle of a knifes
91 is straight to borer
100 cross boring cutters
P screw
Q set screw
P1 first screw
P2 second screw
P3 the 3rd screw
P4 the 4th screw
P5 the 5th screw
Detailed description of the invention
For making the specially smart people's bodyguard dealer being familiar with this skill be easy to the function and benefit of understanding structure content of the present utility model in depth and can reach, hereby enumerating a specific embodiment, and coordinating graphic detailed introduction to be described as follows:
Finely tune an elimination tooth bar gap adjusting-fixing structure for bore hole, please consult shown in Fig. 2, Fig. 3: be solid assembling section of the present utility model and perspective exploded view.Shown in Fig. 4: be section of the present utility model assembling schematic diagram.And shown in Fig. 5, Fig. 6: B-B and the E-E generalized section being Fig. 4.Mainly hold element 30, tooth bar 40, helical pitch element 50, by: head for boring bar body 10, adjusting seat 20, axle and adjust element 60 and a lock member 70 combined.
Wherein: the center of this head for boring bar body 10 one side is provided with a sleeve joint hole 11, the surrounding of this sleeve joint hole 11 is provided with multiple screw 12, this sleeve joint hole 11 can fix a bore hole handle of a knife 80 for socket lock knot, and by multiple screw (not shown), bore hole handle of a knife 80 is locked knot and be fixed in multiple screw 12 (as Fig. 7, shown in Fig. 8), the middle of this head for boring bar body 10 another side is provided with the dovetail groove 13 of a depression, can for being installed with an adjusting seat 20 in this dovetail groove 13, this dovetail groove 13 side is provided with a profile groove 131, to form a movable pressing board 132, this dovetail groove 13 outside corresponds to movable pressing board 132 middle and is provided with a screw run through 133, this screw 133 can for wearing a set screw Q, the both sides of this screw 133 are provided with 2 first screws 134, this 2 first screw 134 can supply locking 2 first screw P1, opening of movable pressing board 132 or collapse state is regulated by this set screw Q and 2 first screw P1, the inside of this head for boring bar body 10 is provided with the elongated hole 14 always wearing sleeve joint hole 11 along dovetail groove 13 direction, this elongated hole 14 is positioned at major axis one end and is provided with a fish eyelet run through 15, this fish eyelet 15 can supply installing one bearing B, this fish eyelet 15 outside is provided with a center alignment line 16, this elongated hole 14 is positioned at the major axis other end and is provided with a radial hole do not run through 17, this radial hole 17 is provided with an axial hole run through 18, this axial hole 18 can hold element 30 for installing one axle, hold element 30 pivot by this bearing B and axle to tie and fix a tooth bar 40, the both sides of this axial hole 18 are provided with 2 second screws 19, this 2 second screw 19 can supply locking 2 second screw P2, the position that axle holds element 30 is adjusted by this 2 second screw P2.
Dovetail groove 13 place that this adjusting seat 20 corresponds to head for boring bar body 10 is provided with a dovetail seat 21, allow this head for boring bar body 10 that dovetail groove 13 can be utilized to wear slippage on the dovetail seat 21 of adjusting seat 20, and to be clamped dovetail seat 21 by movable pressing board 132, the dovetail seat 21 of this adjusting seat 20 corresponds to elongated hole 14 side and is provided with an engagement groove 22, this engagement groove 22 can in conjunction with a helical pitch element 50, this engagement groove 22 outside is provided with the 3rd screw 23 run through, 3rd screw 23 can fix one the 3rd screw P3 for lock knot, lock knot by the 3rd screw P3 and fix a helical pitch element 50, the axis of this adjusting seat 20 and radial place be provided with run through mutually always to hole 24 and a transverse holes 25, this is directly provided with three screws 26 to hole 24 with transverse holes 25 place, this three screw 26 can lock for three countersink head screws 27, this directly can for wearing always to borer 90 to hole 24, and lock knot fixing (as shown in Figure 7) by a countersink head screw 27, this transverse holes 25 can for wearing a cross boring cutter 100, and lock knot fixing (as shown in Figure 8) by three countersink head screws 27.
This axle is held element 30 one end and is provided with a U-type groove 31, this U-type groove 31 can tie a tooth bar 40 for pivot, this axle is held element 30 other end and is provided with two groovings 32 corresponding to 2 second screw P2 places, allow the two head P21 of this 2 second screw P2 can be located in two groovings 32, adjust axle by this 2 second screw P2 and hold the position of element 30 at axial hole 18, the center that this axle holds element 30 is provided with the 4th screw 33 that runs through U-type groove 31,4th screw 33 can fix one the 4th screw P4 for lock knot, locks knot fix tooth bar 40 by the 4th screw P4.
One end that this tooth bar 40 holds element 30 corresponding to axle is provided with an annular groove 41, this annular groove 41 can be arranged at axle for pivot knot and hold in the U-type groove 31 of element 30, this tooth bar 40 can freely be rotated, the other end that this tooth bar 40 corresponds to bearing B to be arranged in bearing B and to be provided with a dial 42, this dial 42 can supply centring alignment line 16, be used as the size of fine setting bore hole, this tooth bar 40 is provided with a thin external screw thread 43 between annular groove 41 and dial 42, this thin external screw thread 43 can establish a helical pitch element 60 for spiral shell, the center of this dial 52 outside is provided with one in hexagonal driver slot 44, this driver slot 44 can insert for die nut 1, as the use of rotating tooth bar 40 forward or backwards, use the size of fine setting bore hole (as Fig. 9, shown in Figure 10).
Engagement groove 55 place that this helical pitch element 50 one end corresponds to adjusting seat 20 is provided with a joint portion 51, the 3rd screw P3 place that this joint portion 51 corresponds to engagement groove 22 is provided with a plane 52, be used as the 3rd screw P3 lock knot fixing, this helical pitch element 50 other end is provided with a screw 53, this screw 53 can establish a lock member 70 for being installed with an adjustment element 60 with lock, thin external screw thread 43 place that this helical pitch element 50 and adjustment element 60 correspond to tooth bar 40 first holes to attack again and establishes a first thin internal thread 54 and in wholecircle to be the second thin internal thread 61 of semicircle, the first thin internal thread 54 of this helical pitch element 50 in wholecircle can for the thin external screw thread 43 of lock thread bar 40, by the bore size that adjusts.
Thin external screw thread 43 place that this adjustment element 60 one end corresponds to thread bar 40 is provided with the second thin internal thread 61 that is semicircle, the second thin internal thread 61 of this adjustment element 60 in semicircle can for the thin external screw thread 43 of coated tooth bar 40, be used as blind-mate tooth bar 40, this adjustment element 60 other end corresponds to lock member 70 place and is provided with a positioning convex portion 62, be used as positioning locking element 70, the center of this adjustment element 60 is provided with one the 5th screw the 63, five screw 63 and can fixes one the 5th screw P5 for lock knot.
Screw 53 place that this lock member 70 outside corresponds to helical pitch element 50 is provided with an external screw teeth 71, this external screw teeth 71 can be fixed in the screw 53 of helical pitch element 50 for lock knot, location division 62 place that this lock member 70 center corresponds to adjustment element 60 is provided with a detent 72, as the use of the location, location division 62 of adjustment element 60, the center of this lock member 70 is provided with a perforation 73, this perforation 73 can wear for the 5th screw P5, be used as and adjustment element 60 and lock member 70 are locked knot be integrally fixed, these perforation 73 both sides are provided with two rounded driver slots 74, this two rounded driver slot 74 can insert for instrument, be used as forward or this lock member 70 of backwards rotation.
By the utility model that above-mentioned each component structure combines, be to provide a kind of elimination tooth bar gap adjusting-fixing structure of finely tuning bore hole.In practical operation application, please consult shown in Figure 11, Figure 12: be that the utility model eliminates the using state in tooth bar gap and the C portion enlarged diagram of Figure 11.Shown in Figure 13, Figure 14: the Y portion enlarged diagram of to be the utility model by adjustment element and lock member lock all-in-one-piece state and Figure 13.
When the thin external screw thread 43 of tooth bar 40 and helical pitch element 50 and the first thin internal thread 54 occur to wear and tear and have gap to produce, only need instrument to insert in this two rounded driver slot 74, namely this lock member 70 can be rotated forward, utilizing lock member 70 to adjust this adjustment element 60 does vertical and without the displacement up and down of rotating, allow the second thin internal thread 61 of this adjustment element 60 in semicircle can envelope the thin external screw thread 43 of tooth bar 40, finally by the 5th screw P5, adjustment element 60 and lock member 70 are locked knot to be again integrally fixed, as the use of adjustment helical pitch element 50 with the fitness of tooth bar 40, to eliminate the gap that Long-Time Service causes, and second thin internal thread 61 contact area of being somebody's turn to do in semicircle is large, be not easy abrasion, and through lock member 70 and the 5th screw P5, the precision of working good and gap can be fixed, Long-Time Service is not easy to loosen shakiness because of external factor.
Comprehensive above-mentioned institute is old, the utility model is to provide a kind of elimination tooth bar gap adjusting-fixing structure of finely tuning bore hole, to manufacture and repeatedly after operational testing through the utility model applicant is actual, confirm the function and benefit that really can reach desired by the utility model, simultaneously again in the streets there is no the first innovation and creation of information at present, there is the value in industry, really meet the establishment main idea of new patent practicality and progressive, whence, according to the regulation of Patent Law, proposes the application of new patent to an ancient unit of weight office.
Claims (2)
1. finely tune an elimination tooth bar gap adjusting-fixing structure for bore hole, comprising: a head for boring bar body, an adjusting seat, an axle hold element, a tooth bar, adjustment element and a lock member, wherein:
The center of this head for boring bar body one side is provided with a sleeve joint hole, the surrounding of this sleeve joint hole is provided with multiple screw, this sleeve joint hole can fix a bore hole handle of a knife for socket lock knot, and by multiple screw, bore hole handle of a knife lock knot is fixed in multiple screws of head for boring bar body, the middle of this head for boring bar body another side is provided with the dovetail groove of a depression, can for being installed with an adjusting seat in this dovetail groove, the inside of this head for boring bar body is provided with the elongated hole always wearing sleeve joint hole along dovetail groove direction, this elongated hole is positioned at major axis one end and is provided with a fish eyelet run through, this fish eyelet can supply installing one bearing, this fish eyelet outside is provided with a center alignment line, this elongated hole is positioned at the major axis other end and is provided with a radial hole do not run through, this radial hole is provided with an axial hole run through, this axial hole can hold element for installing one axle, hold element pivot by this bearing and axle to tie and fix a tooth bar, the both sides of this axial hole are provided with 2 second screws, this 2 second screw can supply locking 2 second screw, the position that axle holds element is adjusted by this 2 second screw,
The dovetail groove place that this adjusting seat corresponds to head for boring bar body is provided with a dovetail seat, allow this head for boring bar body that dovetail groove can be utilized to wear slippage in the dovetail seat of adjusting seat, the dovetail seat of this adjusting seat corresponds to elongated hole side and is provided with an engagement groove, this engagement groove can in conjunction with a helical pitch element, this engagement groove outside is provided with the 3rd screw run through, 3rd screw can fix one the 3rd screw for lock knot, tied by the 3rd screwed lock and fix a helical pitch element, the axis of this adjusting seat and radial place be provided with run through mutually always to Kong Yuyi transverse holes, this is directly provided with three screws to hole and transverse holes place, this three screw can for three countersink head screw lockings, this directly can for wearing always to borer to hole, and it is fixing to lock knot by a countersink head screw, this transverse holes can for wearing a cross boring cutter, and it is fixing to lock knot by three countersink head screws,
This axle is held element one end and is provided with a U-type groove, this U-type groove can tie a tooth bar for pivot, this axle is held the element other end and is provided with two groovings corresponding to 2 second screw places, allow two heads of this 2 second screw can be located in two groovings, adjust axle by this 2 second screw and hold the position of element at axial hole, the center that this axle holds element is provided with the 4th screw that runs through U-type groove, and the 4th screw can fix one the 4th screw for lock knot, is tied fix tooth bar by the 4th screwed lock;
One end that this tooth bar holds element corresponding to axle is provided with an annular groove, this annular groove can be arranged at axle for this tooth bar pivot knot and hold in the U-type groove of element, this tooth bar can freely be rotated, this tooth bar corresponds to the other end of bearing and to be arranged in bearing and to be provided with a dial, this dial can supply centring alignment line, as the use of the size of fine setting bore hole, this tooth bar is provided with a thin external screw thread between annular groove and dial, this thin external screw thread can establish a helical pitch element for spiral shell, the center of this dial outside is provided with one in hexagonal driver slot, this driver slot can insert for die nut, as the use of rotating tooth bar forward or backwards, to finely tune the size of bore hole,
The engagement groove place that this helical pitch element one end corresponds to adjusting seat is provided with a joint portion, and the 3rd screw place that this joint portion corresponds to engagement groove is provided with a plane, as the use that the 3rd screwed lock knot is fixing, it is characterized in that:
This helical pitch element other end is provided with a screw, this screw can for being installed with an adjustment element and a lock member established by lock, this helical pitch element and adjustment element correspond to the thin external screw thread place of tooth bar and first hole to attack again and establish a first thin internal thread and in wholecircle to be the second thin internal thread of semicircle, this helical pitch element be wholecircle the first thin internal thread can for lock spiral shell in the thin external screw thread of tooth bar, as adjustment bore size use;
The thin external screw thread place that this adjustment element one end corresponds to thread bar is provided with the second thin internal thread that is semicircle, the second thin internal thread that should be semicircle can for the thin external screw thread of coated tooth bar, as the use of blind-mate tooth bar, this adjustment element other end corresponds to lock member place and is provided with a positioning convex portion, as the use of positioning locking element, the center of this adjustment element is provided with one the 5th screw, and the 5th screw can fix one the 5th screw for lock knot;
The screw place that this lock member outside corresponds to helical pitch element is provided with an external screw teeth, this external screw teeth can be fixed in the screw of helical pitch element for this lock member lock knot, this adjustment element is adjusted vertical and without the displacement up and down of rotating by this lock member, the location division place that this lock member center corresponds to adjustment element is provided with a detent, as the use of the location, location division of adjustment element, the center of this lock member is provided with a perforation, these perforation both sides are provided with two driver slots, this two driver slot can insert for instrument, as the use of forward or this lock member of backwards rotation, this perforation can wear for the 5th screw, by the 5th screw, adjustment element and lock member are locked knot to be integrally fixed.
2. the elimination tooth bar gap adjusting-fixing structure of fine setting bore hole as claimed in claim 1, it is characterized in that: this head for boring bar body is provided with a profile groove in dovetail groove side, to form a movable pressing board, this dovetail groove outside corresponds to movable pressing board middle and is provided with a screw run through, this screw can for wearing a set screw, the both sides of this screw are provided with 2 first screws, this 2 first screw can supply locking 2 first screw, regulate opening of movable pressing board or collapse state by this set screw and 2 first screws, be used as the dovetail seat of the adjusting seat that is clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044685.XU CN204545471U (en) | 2015-01-22 | 2015-01-22 | The elimination tooth bar gap adjusting-fixing structure of fine setting bore hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044685.XU CN204545471U (en) | 2015-01-22 | 2015-01-22 | The elimination tooth bar gap adjusting-fixing structure of fine setting bore hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204545471U true CN204545471U (en) | 2015-08-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044685.XU Expired - Fee Related CN204545471U (en) | 2015-01-22 | 2015-01-22 | The elimination tooth bar gap adjusting-fixing structure of fine setting bore hole |
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| Country | Link |
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| CN (1) | CN204545471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500307A (en) * | 2018-04-23 | 2018-09-07 | 成都成林数控刀具有限公司 | A kind of Miniature adjustable double-blade boring cutter |
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2015
- 2015-01-22 CN CN201520044685.XU patent/CN204545471U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500307A (en) * | 2018-04-23 | 2018-09-07 | 成都成林数控刀具有限公司 | A kind of Miniature adjustable double-blade boring cutter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20220122 |