CN206326167U - The automatic limit device of nonstandard counterbit - Google Patents
The automatic limit device of nonstandard counterbit Download PDFInfo
- Publication number
- CN206326167U CN206326167U CN201621396801.5U CN201621396801U CN206326167U CN 206326167 U CN206326167 U CN 206326167U CN 201621396801 U CN201621396801 U CN 201621396801U CN 206326167 U CN206326167 U CN 206326167U
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- Prior art keywords
- inner sleeve
- ball bearing
- counterbit
- nonstandard
- sleeve
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- 238000005520 cutting process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 6
- 238000000576 coating method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000007592 spray painting technique Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The automatic limit device of nonstandard counterbit belongs to trolley coach manufacturing technology field, low in order to solve existing counterbit hole machined efficiency, and the counterbit hole processed is of poor quality, and process is high and the problem of be more expensive to manufacture into personnel labor intensity.The utility model includes inner sleeve, and inner sleeve one end is opening, and one end is provided with coaxial first annular retaining wall；Double ball bearing systems of inner sleeve are co-axially located at, double big cylindrical section centers of ball bearing system are provided with coaxial bellmouth, and outer surface is coordinated by bearing and inner sleeve；It is co-axially located at the outer sleeve outside inner sleeve；It is arranged on the distance between outer sleeve and inner sleeve opening end and the annular retaining wall of outer sleeve second relative with the double ball bearing system other end ends of spacing adjustment structure regulation that the roundlet shell of column screw thread of double ball bearing systems coordinates；And it is arranged on the projection contacts inside the spring between inner sleeve and outer sleeve, spring one end and outer sleeve, the other end and the contact of spacing adjustment structure.
Description
Technical field
The utility model belongs to the aluminum alloy bodywork manufacture spacing technical field of nonstandard counterbit, and in particular to a kind of nonstandard ream
The automatic limit device of brill.
Background technology
The process in conventional counterbit hole is complicated, first uses drill bit holes drilled through, after counterbit is connected with electric hand drill, carries out chamfering,
This kind of mode can not guarantee working depth, product quality it is difficult to ensure that, and production efficiency is low, and personnel labor intensity is high, manufacture
Section bar surface roughness is unsatisfactory for drawing requirement after high cost, processing, and spot-facing depth is inconsistent, influences follow-up staking matter
, there is the phenomenon of indivedual loosing of rivet in amount；After coating process sanding, spray painting, painted surface is easy to cracking.Hand over car difficult, warp
Often result in reprocessing for rivet.
Utility model content
Low in order to solve existing counterbit hole machined efficiency, the counterbit hole processed is of poor quality, and process personnel work is strong
The problem of degree is high and is more expensive to manufacture, the utility model provides a kind of automatic limit device of nonstandard counterbit.
The utility model technical solution adopted for solving the technical problem is as follows：
The automatic limit device of nonstandard counterbit includes：
Inner sleeve, described inner sleeve one end is opening, and one end is provided with coaxial first annular retaining wall；
Double ball bearing systems of inner sleeve are co-axially located at, described pair of ball bearing system is stepped column structure, described
The stepped big cylindrical section center of column structure is provided with coaxial bellmouth, and the bellmouth and nonstandard counterbit Morse's taper are matched somebody with somebody
Connection is closed, the big cylindrical section outer surface of described pair of ball bearing system is coordinated by the inwall of symmetrically arranged bearing and inner sleeve and connected
Connect, the inwall of the first annular retaining wall of inner sleeve and the bearing outer wall positioned at outside are contacted, the small column of stepped column structure
Section is stretched out from the opening end of inner sleeve, and the inner sleeve and double ball bearing systems are fixed by the fixing bolt being radially arranged；
Inner sleeve opening end and the spacing adjustment structure coordinated with the roundlet shell of column screw threads of double ball bearing systems are arranged on, is adjusted
The double ball bearing system other end ends of section are with respect to the distance between annular retaining wall of outer sleeve second；
And it is arranged on the protection mechanism of relative inner sleeve automatic telescopic on the outside of inner sleeve.
The protection mechanism includes：
The outer sleeve outside inner sleeve is co-axially located at, described outer sleeve one end is opening, and the other end is provided with coaxial
Second annular retaining wall, the inwall of second annular retaining wall and the first annular retaining wall wall contacts of the inner sleeve, it is described outer
Sleeve and the inner sleeve are connected by the fixation spiral being radially arranged；
And it is arranged on the projection inside the spring between the inner sleeve and outer sleeve, the spring one end and outer sleeve
Contact, the other end and the contact of spacing adjustment structure.
The outer sleeve and the inner sleeve are specially by the fixation spiral connection being radially arranged：The inner sleeve drum outer wall
On be provided with the bar-shaped trough paralleled to the axis, the outer sleeve and side wall and be provided with connecting hole, the fixation is threaded through overcoat
The connecting hole of cylinder is extend into the bar-shaped trough of inner sleeve.
During the spring nature, nonstandard counterbit cutting edge is completely retracted into outer sleeve.
The spacing adjustment structure includes：
The second spacing adjuster that one end is deep between inner sleeve and outer sleeve, the second spacing adjuster outer wall and
Outer sleeve opening end inwall coaxial cooperation, one end of the second spacing adjuster and the end thereof contacts of spring, the other end is tooth
Type structure；
One end and the first spacing adjuster of the tooth type structures jigsaw fit of described second spacing adjuster one end；
And gear is in the limiter of the described first spacing adjuster other end, the limiter inwall and described pair of ball bearing
System roundlet shell of column outer wall thread coordinates.
The first annular retaining wall and the inner sleeve are integral type structure.
The inner sleeve and double ball bearing systems are fixed by the fixing bolt being radially arranged is specially：The inner sleeve exists
First annular retaining wall position has been disposed radially connecting hole, and described pair of ball bearing system and the connecting hole correspondence position are provided with
Annular groove, the fixing bolt is extend into the annular groove in double ball bearing systems through the connecting hole on inner sleeve.
Described pair of ball bearing system roundlet shell of column center is coaxial cylindrical hole, and the cylindrical hole and the bellmouth connect
It is logical.
The beneficial effects of the utility model are：The automatic limit device of nonstandard counterbit of the present utility model passes through double ball bearings
The bellmouth of system and nonstandard counterbit, which coordinate, realizes fixation, inner sleeve and double ball bearing system entirety and outer sleeve and spacing regulation
Structure setting between structure can automatically adjust the position relationship between nonstandard counterbit and outer sleeve end, can easily adjust
Whole counterbit working depth and diameter, time processing are that can reach the staking demand for meeting sunk head rivet, improve operating efficiency, are protected
The quality of processing has been demonstrate,proved, rivet repair rate has been reduced, meets surface roughness requirements, has been prevented after coating process sanding, spray painting, paint
Surface is easy to cracking phenomena.The utility model integrally using No. 45 steel processing, is heat-treated after processing, improves hardness, improved
Stability.
Brief description of the drawings
Fig. 1 is the automatic limit device overall structure diagram of nonstandard counterbit；
Fig. 2 is the automatic limit device structural front view of nonstandard counterbit；
Fig. 3 is Fig. 2 B-B sectional views；
Fig. 4 is the automatic limit device overall structure of the explosion figure of nonstandard counterbit；
Fig. 5 is the automatic limit device main view explosive view of nonstandard counterbit；
Fig. 6 is Fig. 5 A-A sectional views；
Fig. 7 is nonstandard counterbit structural representation；
Wherein：1st, limiter, the 2, first spacing adjuster, the 3, second spacing adjuster, 4, double ball bearing systems, 401, cone
Shape hole, 402, cylindrical hole, 403, annular groove, 5, bearing, 6, inner sleeve, 601, first annular retaining wall, 602, bar-shaped trough, 7, bullet
Spring, 8, outer sleeve, the 801, second annular retaining wall, 9, nonstandard counterbit, 10, fixing bolt, 11, fixed spiral.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
Referring to accompanying drawing 1- accompanying drawings 7, the automatic limit device of nonstandard counterbit includes：
Inner sleeve 6, described one end of inner sleeve 6 is opening, and one end is provided with coaxial first annular retaining wall 601；
Double ball bearing systems 4 of inner sleeve 6 are co-axially located at, described pair of ball bearing system 4 is stepped column structure, institute
State the big cylindrical section center of stepped column structure and be provided with coaxial bellmouth 401, the bellmouth 401 and nonstandard counterbit 9
Morse's taper is connected, and the big cylindrical section outer surface of described pair of ball bearing system 4 passes through symmetrically arranged bearing 5 and inner sleeve 6
Inwall be connected, the inwall of the first annular retaining wall 601 of inner sleeve 6 and the wall contacts of bearing 5 positioned at outside are stepped
The roundlet shell of column of column structure stretches out from the opening end of inner sleeve 6, as electric hand drill retaining part, the inner sleeve 6 and double balls
Bearing arrangement 4 is fixed by the fixing bolt 10 being radially arranged；
The outer sleeve 8 outside inner sleeve 6 is co-axially located at, described one end of outer sleeve 8 is opening, and the other end is provided with coaxially
The second annular retaining wall 801, the inwall of second annular retaining wall 801 and the outer wall of first annular retaining wall 601 of the inner sleeve 6
Contact, the outer sleeve 8 and the inner sleeve 6 are connected by the fixation spiral 11 being radially arranged；
It is arranged on outer sleeve 8 and the opening end of inner sleeve 6 and spacing with the roundlet shell of column screw thread cooperation of double ball bearing systems 4
Adjustment structure, the double other end ends of ball bearing system 4 of regulation are with respect to the distance between annular retaining wall 801 of outer sleeve 8 second；
And be arranged on inside the spring 7 between the inner sleeve 6 and outer sleeve 8, described one end of spring 7 and outer sleeve 8
Projection contacts, the other end and spacing adjustment structure contact.
Spring 7 and outer sleeve 8 are the nonstandard safety protective cover of counterbit 9.In use, compression spring 7, stretch out nonstandard ream
9 are bored, is processed.After nonstandard counterbit 9 leaves processing workpiece surface, spring 7 stretches drive outer sleeve 8 with respect to inner sleeve naturally
6 ejections, are protected to the nonstandard cutting edge of counterbit 9.
The spacing adjustment structure includes：
Outside the second spacing adjuster 3 that one end is deep between inner sleeve 6 and outer sleeve 8, the second spacing adjuster 3
Wall and the opening end inwall coaxial cooperation of outer sleeve 8, one end of the second spacing adjuster 3 and the end thereof contacts of spring 7, it is another
Hold as tooth type structures；
One end and the first spacing adjuster 2 of the tooth type structures jigsaw fit of described second spacing one end of adjuster 3, sawtooth
Quantity is 25, and minimal adjustment increment is tooth pitch (0.001 " i.e. 0.025mm), and maximal regulated line 0-20mm is that screw thread is long
Degree.
And gear is in the limiter 1 of the described first spacing other end of adjuster 2, the inwall of limiter 1 and described pair of ball
The roundlet shell of column outer wall thread of bearing arrangement 4 coordinates, and screw threads for fastening button is highest adjustable limiting.
The first annular retaining wall 601 and the inner sleeve 6 are integral type structure.
The inner sleeve 6 and double ball bearing 4 fixing bolts 10 by being radially arranged of system are fixed, and are specially：In described
The position of first annular retaining wall 601 of sleeve 6 has been disposed radially connecting hole, described pair of ball bearing system 4 and the connecting hole pair
Position is answered to be provided with annular groove 403, the fixing bolt 10 extend into double ball bearing systems 4 through the connecting hole on inner sleeve 6
On annular groove 403 in.
The described pair of roundlet shell of column center of ball bearing system 4 is coaxial cylindrical hole 402, the cylindrical hole 402 and the cone
Shape hole 401 is connected.
The outer sleeve 8 and the inner sleeve 6 are specially by the connection of fixation spiral 11 being radially arranged：The inner sleeve
It is provided with 6 outer walls on the bar-shaped trough 602 paralleled to the axis, the outer sleeve 8 and side wall and is provided with connecting hole, the fixed spiral
11 pass through the connecting hole of outer sleeve 8 to extend into the bar-shaped trough 602 of inner sleeve 6.
During 7 nature of spring, the nonstandard cutting edge of counterbit 9 is completely retracted into outer sleeve 8.
Claims (8)
1. the automatic limit device of nonstandard counterbit, it is characterised in that including：
Inner sleeve (6), described inner sleeve (6) one end is opening, and one end is provided with coaxial first annular retaining wall (601)；
Double ball bearing systems (4) of inner sleeve (6) are co-axially located at, described pair of ball bearing system (4) is stepped column structure,
The big cylindrical section center of stepped column structure is provided with coaxial bellmouth (401), the bellmouth (401) and nonstandard
Counterbit (9) Morse's taper is connected, and the big cylindrical section outer surface of described pair of ball bearing system (4) passes through symmetrically arranged bearing
(5) inwall with inner sleeve (6) is connected, the inwall and the axle positioned at outside of the first annular retaining wall (601) of inner sleeve (6)
Hold (5) wall contacts, the roundlet shell of column of stepped column structure stretches out from the opening end of inner sleeve (6), the inner sleeve (6) and
Double ball bearing systems (4) are fixed by the fixing bolt (10) being radially arranged；
Inner sleeve (6) opening end and the spacing adjustment structure coordinated with the roundlet shell of column screw threads of double ball bearing systems (4) are arranged on,
Double ball bearing system (4) other end ends of regulation are with respect to the distance between annular retaining wall (801) of outer sleeve (8) second；
And it is arranged on the protection mechanism of relative inner sleeve (6) automatic telescopic on the outside of inner sleeve (6).
2. the automatic limit device of nonstandard counterbit according to claim 1, it is characterised in that the protection mechanism includes：
The outside outer sleeve (8) of inner sleeve (6) is co-axially located at, described outer sleeve (8) one end is opening, and the other end is provided with together
The second annular retaining wall (801) of axle, the inwall of second annular retaining wall (801) and the first annular gear of the inner sleeve (6)
Wall (601) wall contacts, the outer sleeve (8) and the inner sleeve (6) are connected by the fixation spiral (11) being radially arranged；
And it is arranged on the spring (7) between the inner sleeve (6) and outer sleeve (8), described spring (7) one end and outer sleeve
(8) internal projection contacts, the other end and the contact of spacing adjustment structure.
3. the automatic limit device of nonstandard counterbit according to claim 2, it is characterised in that the outer sleeve (8) and institute
State inner sleeve (6) is specially by fixation spiral (11) connection being radially arranged：It is provided with inner sleeve (6) outer wall parallel
Connecting hole is provided with the bar-shaped trough (602) of axis, the outer sleeve (8) and side wall, the fixed spiral (11) passes through overcoat
The connecting hole of cylinder (8) is extend into the bar-shaped trough (602) of inner sleeve (6).
4. the automatic limit device of nonstandard counterbit according to claim 2, it is characterised in that the natural shape of the spring (7)
During state, nonstandard counterbit (9) cutting edge is completely retracted into outer sleeve (8).
5. the automatic limit device of the nonstandard counterbit according to any one in claim 1-4, it is characterised in that the limit
Position adjustment structure includes：
The second spacing adjuster (3) that one end is deep between inner sleeve (6) and outer sleeve (8), the second spacing adjuster
(3) outer wall and outer sleeve (8) opening end inwall coaxial cooperation, one end of the second spacing adjuster (3) and the one of spring (7)
End in contact, the other end is tooth type structures；
One end and the first spacing adjuster (2) of the tooth type structures jigsaw fit of described second spacing adjuster (3) one end；
And gear is in the limiter (1) of described first spacing adjuster (2) other end, limiter (1) inwall and described double
Ball bearing system (4) roundlet shell of column outer wall thread coordinates.
6. the automatic limit device of nonstandard counterbit according to claim 1, it is characterised in that the first annular retaining wall
(601) and the inner sleeve (6) be integral type structure.
7. the automatic limit device of nonstandard counterbit according to claim 6, it is characterised in that the inner sleeve (6) and double
Ball bearing system (4) is fixed by the fixing bolt (10) being radially arranged, and is specially：The inner sleeve (6) is in first annular gear
Wall (601) position has been disposed radially connecting hole, and described pair of ball bearing system (4) and the connecting hole correspondence position are provided with ring
Shape groove (403), the ring that the fixing bolt (10) is extend into double ball bearing systems (4) through the connecting hole on inner sleeve (6)
In shape groove (403).
8. the automatic limit device of nonstandard counterbit according to claim 1, it is characterised in that described pair of ball bearing system
(4) roundlet shell of column center is coaxial cylindrical hole (402), and the cylindrical hole (402) connects with the bellmouth (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396801.5U CN206326167U (en) | 2016-12-19 | 2016-12-19 | The automatic limit device of nonstandard counterbit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396801.5U CN206326167U (en) | 2016-12-19 | 2016-12-19 | The automatic limit device of nonstandard counterbit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206326167U true CN206326167U (en) | 2017-07-14 |
Family
ID=59291117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621396801.5U Expired - Fee Related CN206326167U (en) | 2016-12-19 | 2016-12-19 | The automatic limit device of nonstandard counterbit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206326167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001625A (en) * | 2016-06-08 | 2016-10-12 | 沈阳飞机工业（集团）有限公司 | Adjustable jacket for counter bit and application method thereof |
| CN113210681A (en) * | 2021-04-16 | 2021-08-06 | 浙江力诺流体控制科技股份有限公司 | Chamfering device suitable for workpieces with different heights |
-
2016
- 2016-12-19 CN CN201621396801.5U patent/CN206326167U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001625A (en) * | 2016-06-08 | 2016-10-12 | 沈阳飞机工业（集团）有限公司 | Adjustable jacket for counter bit and application method thereof |
| CN106001625B (en) * | 2016-06-08 | 2019-01-15 | 沈阳飞机工业（集团）有限公司 | A kind of counterbit adjustable collet and its application method |
| CN113210681A (en) * | 2021-04-16 | 2021-08-06 | 浙江力诺流体控制科技股份有限公司 | Chamfering device suitable for workpieces with different heights |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |