CN204221472U - For the fixture of numerically controlled lathe quick-clamping special-shaped workpiece - Google Patents
For the fixture of numerically controlled lathe quick-clamping special-shaped workpiece Download PDFInfo
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- CN204221472U CN204221472U CN201420662337.4U CN201420662337U CN204221472U CN 204221472 U CN204221472 U CN 204221472U CN 201420662337 U CN201420662337 U CN 201420662337U CN 204221472 U CN204221472 U CN 204221472U
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- adjutage
- pressing board
- movable pressing
- shaped workpiece
- special
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- 238000003825 pressing Methods 0.000 claims abstract description 46
- 238000007514 turning Methods 0.000 claims abstract description 19
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to a kind of fixture for numerically controlled lathe quick-clamping special-shaped workpiece, comprise terminal pad, terminal pad is fixedly connected with a clamp body, clamp body comprises connecting portion and work mounting s portion, a Workpiece fixing core body is fixed in the upper end in work mounting s portion, connecting portion center is provided with an opening, a movable pressing board is provided with in opening, movable pressing board is curved shape, the middle part of movable pressing board is turning point, the two ends of turning point are respectively the first adjutage and the second adjutage, turning point be arranged in opening by the first bearing pin and connecting portion hinged, form the fulcrum that movable pressing board rotates around the first bearing pin, first adjutage of movable pressing board is power arm, first adjutage is by the second pinned connection one pull bar, pull bar is used for clamping cylinder piston rod with the rotation of lathe and is connected, second adjutage of movable pressing board is the resistance arm for workpiece pressing.The utility model energy quick-clamping special-shaped workpiece, reduces labour intensity, enhances productivity and machining accuracy.
Description
Technical field
The utility model relates to field of fixtures, particularly a kind of fixture for numerically controlled lathe quick-clamping special-shaped workpiece.
Background technology
A kind of housing special-shaped workpiece, this housing special-shaped workpiece has cavity, has angle between the axial line of cavity two-port, and two axial lines are not on same straight line.When using the end face of this housing special-shaped workpiece two-port of lathe in machining, the axial line of port to be processed need keep in the horizontal plane, because the axial line of housing special-shaped workpiece two-port is not on same straight line, between two axial lines, there is angle, workman need adopt the method for manual clamping that the axial line of port to be processed is kept in the horizontal plane, make the clamping time long, production efficiency is lower, labor strength is larger, cannot clamping precision be ensured during workman's craft this housing special-shaped workpiece of clamping simultaneously, be difficult to the quality controlling housing special-shaped workpiece.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of fixture for numerically controlled lathe quick-clamping special-shaped workpiece, and energy quick-clamping special-shaped workpiece, reduces labour intensity, enhance productivity and machining accuracy.
The technical solution of the utility model is: a kind of fixture for numerically controlled lathe quick-clamping special-shaped workpiece, comprise the terminal pad for being connected with lathe main spindle nose, described terminal pad is fixedly connected with a clamp body, described clamp body comprises connecting portion and work mounting s portion, one axial end of connecting portion is connected with terminal pad, be bolted, work mounting s portion extends from another axial end of connecting portion, angle α is formed between the upper transverse plane in work mounting s portion and the axial end of connecting portion, the upper end in work mounting s portion is bolted a Workpiece fixing core body, connecting portion center is provided with the opening that axially runs through connecting portion, a movable pressing board is provided with in described opening, described movable pressing board is curved shape, the middle part of movable pressing board is turning point, the two ends of turning point are respectively the first adjutage and the second adjutage, angle β is formed between first adjutage and the second adjutage, described turning point be arranged in opening by the first bearing pin and connecting portion hinged, form the fulcrum that movable pressing board rotates around the first bearing pin, first adjutage of movable pressing board is power arm, first adjutage is by the second pinned connection one pull bar, pull bar is used for clamping cylinder piston rod with the rotation of lathe and is connected, second adjutage of movable pressing board is the resistance arm for workpiece pressing, described second adjutage extends the connecting portion axial end of clamp body, be positioned at above work mounting s portion.
First adjutage of described movable pressing board is provided with bar hole, and the second adjutage of movable pressing board is provided with the inner concave arc surface adapted to special-shaped workpiece surface.
One end of described pull bar is provided with U-shaped opening, and the first adjutage of movable pressing board stretches in U-shaped opening, is connected with pull bar by the second bearing pin.
The work mounting s portion of described clamp body is provided with two stop screws for spacing to special-shaped workpiece.
The axial end center that described terminal pad is connected with lathe ring flange is provided with taper hole and ring flange taper fit.
The axial end that described terminal pad is relative with clamp body is provided with round platform, and the axial end that described clamp body is relative with terminal pad is provided with taper hole, and terminal pad is fixedly connected with by taper fit with clamp body.
Described Workpiece fixing core body is stepped, and the work mounting s portion of described clamp body is provided with installing hole, and the miner diameter end of Workpiece fixing core body, through installing hole, is mounted by means of bolts in the work mounting s portion of clamp body.
Described pull bar is slidably fitted in the endoporus of lathe spindle by a supporting tapered sleeve.
Adopt technique scheme: a kind of fixture for numerically controlled lathe quick-clamping special-shaped workpiece, comprise the terminal pad for being connected with lathe main spindle nose, described terminal pad is fixedly connected with a clamp body, terminal pad, with lathe spindle coaxial rotating, drives clamp body to rotate.Described clamp body comprises connecting portion and work mounting s portion, and an axial end of connecting portion is connected with terminal pad, is bolted, convenient installation, clamper for disassembling body.Work mounting s portion extends from another axial end of connecting portion, angle α is formed between the upper transverse plane in work mounting s portion and the axial end of connecting portion, the upper end in work mounting s portion is bolted a Workpiece fixing core body, a port of special-shaped workpiece is arranged on the upper transverse plane in work mounting s portion by Workpiece fixing core body, make another port axial line level of special-shaped workpiece, be convenient to process this port.Connecting portion center is provided with the opening that axially runs through connecting portion, a movable pressing board is provided with in described opening, described movable pressing board is curved shape, the middle part of movable pressing board is turning point, the two ends of turning point are respectively the first adjutage and the second adjutage, angle β is formed between first adjutage and the second adjutage, described turning point be arranged in opening by the first bearing pin and connecting portion hinged, form the fulcrum that movable pressing board rotates around the first bearing pin, first adjutage of movable pressing board is power arm, first adjutage is by the second pinned connection one pull bar, pull bar is used for clamping cylinder piston rod with the rotation of lathe and is connected, second adjutage of movable pressing board is the resistance arm for workpiece pressing, described second adjutage extends the connecting portion axial end of clamp body, be positioned at above work mounting s portion, stretch by controlling to rotate clamping cylinder piston rod, the first adjutage of movable pressing board folding part that rotates is driven to rotate, second adjutage of the movable pressing board folding part that rotates rotates, special-shaped workpiece is compressed, with the acting in conjunction of work mounting s portion, clamping is formed to special-shaped workpiece.
First adjutage of described movable pressing board is provided with bar hole, and when the bar hole of the first adjutage is by the second pinned connection pull bar, pull bar can move along bar hole, keeps pull bar to move on same straight line; Second adjutage of movable pressing board is provided with the inner concave arc surface adapted to special-shaped workpiece surface, when the second adjutage is pressed on special-shaped workpiece, comparatively large with the contact area of special-shaped workpiece, avoids causing damage distortion to special-shaped workpiece.
The work mounting s portion of described clamp body is provided with two stop screws for spacing to special-shaped workpiece, effectively prevents special-shaped workpiece from rotating.
Described pull bar is slidably fitted in the endoporus of lathe spindle by a supporting tapered sleeve, and supporting tapered sleeve play supporting role, and reduces the resistance to sliding of pull bar in inner hole of spindle simultaneously.
Be further described below in conjunction with the drawings and specific embodiments.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is structural representation of the present utility model.
In accompanying drawing, 1 is pull bar, and 2 is supporting tapered sleeve, and 3 is U-shaped contiguous block, 4 is connecting bolt, and 5 is the first bearing pin, and 6 is terminal pad, and 7 is clamp body, 7a is connecting portion, and 7b is work mounting s portion, and 8 is connecting bolt, and 9 is movable pressing board, 9a is the first adjutage, and 9b is the second adjutage, and 9c is turning point, 11 is Workpiece fixing core body, and 12 is stop screw, and 13 is pulling block, 14 is pulling block bolt, and 15 is the second bearing pin, and 17 is opening.
Detailed description of the invention
See Fig. 1 and Fig. 2, a kind of fixture for numerically controlled lathe quick-clamping special-shaped workpiece, comprise the terminal pad 6 for being connected with lathe main spindle nose, in the present embodiment, the axial end center that terminal pad 6 is connected with lathe ring flange is provided with taper hole and ring flange taper fit, be connected and fixed by connecting bolt 8, make terminal pad 6 higher with the combination precision of lathe ring flange, and can higher axiality be kept.Described terminal pad 6 is fixedly connected with a clamp body 7, described clamp body 7 comprises connecting portion 7a and work mounting s portion 7b, one axial end of connecting portion 7a is connected with terminal pad 6, be bolted, in the present embodiment, the axial end that terminal pad 6 is relative with clamp body 7 connecting portion 7a is provided with round platform, the axial end that clamp body 7 connecting portion 7a is relative with terminal pad 6 is provided with taper hole, terminal pad 6 is fixedly connected with by taper fit with clamp body 7, make terminal pad 6 higher with the combination precision of clamp body 7, and can higher axiality be kept.Work mounting s portion 7b extends from another axial end of connecting portion 7a, angle α is formed between the upper transverse plane of work mounting s portion 7b and the axial end of connecting portion 7a, angle between this angle [alpha] with special-shaped workpiece two-port axial line is identical, make after a port of special-shaped workpiece is arranged on the upper transverse plane in work mounting s portion, another port axial line of special-shaped workpiece is parallel with lathe spindle, is convenient to process another port.The upper end of work mounting s portion 7b is bolted a Workpiece fixing core body 11, in the present embodiment, Workpiece fixing core body 11 is stepped, the work mounting s portion 7b of clamp body 7 is provided with installing hole, the miner diameter end of Workpiece fixing core body 11 is through installing hole, the screw rod arranging pulling block 13, pulling block bolt 14 in the below of installing hole is threaded with Workpiece fixing core body 11 through pulling block 13, and Workpiece fixing core body 11 is fixedly mounted on the work mounting s portion 7b of clamp body 7.For realizing special-shaped workpiece circumference location, stop screw 12 is also separately installed with in the both sides of Workpiece fixing core body 11, when special-shaped workpiece is arranged on after on Workpiece fixing core body 11, two stop screws 12 realize the circumference of special-shaped workpiece spacing, prevent special-shaped workpiece from rotating around Workpiece fixing core body 11.Connecting portion 7a center is provided with the opening 17 that axially runs through connecting portion 7a, a movable pressing board 9 is provided with in described opening 17, described movable pressing board 9 is in curved shape, the middle part of movable pressing board 9 is turning point 9c, the two ends of turning point are respectively the first adjutage 9a and the second adjutage 9b, angle β is formed between first adjutage 9a and the second adjutage 9b, it is hinged with connecting portion 7a by the first bearing pin 5 that described turning point 9c is arranged in opening 17, form the fulcrum that movable pressing board 9 rotates around the first bearing pin 5, first adjutage 9a of movable pressing board 9 is power arm, first adjutage 9a connects a pull bar 1 by the second bearing pin 15, in the present embodiment, pull bar 1 is slidably fitted in the endoporus of lathe spindle by a supporting tapered sleeve 2, reduce the frictional force between pull bar and lathe spindle endoporus, pull bar is play supporting role simultaneously, first adjutage 9a is provided with bar hole, the link be connected with the first adjutage 9a of pull bar is provided with a U-shaped contiguous block 3 by connecting bolt 4, the bar hole of the first adjutage 9a stretches in the opening of U-shaped contiguous block 3, second bearing pin 15 is connected with U-shaped contiguous block 3 through bar hole, the link of pull bar 1 can move along bar hole, when drive first adjutage 9a rotates folding part rotation, pull bar can remain on same rectilinear movement, the other end of pull bar 1 is used for clamping cylinder piston rod with the rotation of lathe and is connected.Second adjutage 9b of movable pressing board 9 is the resistance arm for workpiece pressing, the position that second adjutage 9b lower surface contacts with special-shaped workpiece is provided with the inner concave arc surface adapted to special-shaped workpiece surface, increase the contact area with special-shaped workpiece, prevent special-shaped workpiece from damaging distortion, second adjutage 9b upper surface is provided with slot to make way near the position of turning point 9c, when the second adjutage 9b is rotated counterclockwise, the slot to make way arranged is stepped down to opening, effectively can reduce the diameter of opening, be convenient to processing, described second adjutage 9b extends the connecting portion 7a axial end of clamp body 7, be positioned at above work mounting s portion 7b.
During use, special-shaped workpiece port is passed through Workpiece fixing core location on the work mounting s portion 7b of clamp body 7, the both sides mounting limit screw 12 of special-shaped workpiece simultaneously, spacing to special-shaped workpiece circumference, prevent special-shaped workpiece from turning round, control the switch rotating clamping cylinder, the piston rod of rotation clamping cylinder is retracted, pull bar 1 moves right, drive first, second adjutage is rotated counterclockwise, second adjutage is pressed on the surface of special-shaped workpiece, with workpiece support section 7b acting in conjunction, clamping action is played to special-shaped workpiece, now the another port axial line of special-shaped workpiece is parallel with lathe spindle, be convenient to processing.After machining, only need control the switch rotating clamping cylinder, the piston rod of rotation clamping cylinder is extended, and pull bar 1 is moved to the left, and drives first, second adjutage to turn clockwise, and the second adjutage departs from the surface of special-shaped workpiece, can take out special-shaped workpiece.The structure of this turning attachment is simple, easy to operate, faster to Complex Different Shape piece-holder, can reduce labour intensity, enhance productivity and processing precision of products.
Claims (8)
1. the fixture for numerically controlled lathe quick-clamping special-shaped workpiece, comprise the terminal pad (6) for being connected with lathe main spindle nose, it is characterized in that: described terminal pad (6) is fixedly connected with a clamp body (7), described clamp body (7) comprises connecting portion (7a) and work mounting s portion (7b), one axial end of connecting portion (7a) is connected with terminal pad (6), be bolted, work mounting s portion (7b) extends from another axial end of connecting portion (7a), angle α is formed between the upper transverse plane in work mounting s portion (7b) and the axial end of connecting portion (7a), the upper end in work mounting s portion (7b) is bolted a Workpiece fixing core body (11), connecting portion (7a) center is provided with the opening (17) that axially runs through connecting portion (7a), a movable pressing board (9) is provided with in described opening (17), described movable pressing board (9) is in curved shape, the middle part of movable pressing board (9) is turning point (9c), the two ends of turning point are respectively the first adjutage (9a) and the second adjutage (9b), angle β is formed between first adjutage (9a) and the second adjutage (9b), it is hinged by the first bearing pin (5) and connecting portion (7a) that described turning point (9c) is arranged in opening (17), form the fulcrum that movable pressing board (9) rotates around the first bearing pin (5), first adjutage (9a) of movable pressing board (9) is power arm, first adjutage (9a) connects a pull bar (1) by the second bearing pin (15), pull bar (1) is connected for clamping cylinder piston rod with the rotation of lathe, second adjutage (9b) of movable pressing board (9) is the resistance arm for workpiece pressing, described second adjutage (9b) extends connecting portion (7a) axial end of clamp body (7), be positioned at top, work mounting s portion (7b).
2. the fixture for numerically controlled lathe quick-clamping special-shaped workpiece according to claim 1, it is characterized in that: first adjutage (9a) of described movable pressing board (9) is provided with bar hole, second adjutage (9b) of movable pressing board (9) is provided with the inner concave arc surface adapted to special-shaped workpiece surface.
3. the fixture for numerically controlled lathe quick-clamping special-shaped workpiece according to claim 2, it is characterized in that: one end of described pull bar (1) is provided with U-shaped opening, first adjutage (9a) of movable pressing board (9) stretches in U-shaped opening, is connected with pull bar (1) by the second bearing pin (15).
4. the fixture for numerically controlled lathe quick-clamping special-shaped workpiece according to claim 1, is characterized in that: the work mounting s portion (7b) of described clamp body (7) is provided with two stop screws (12) for spacing to special-shaped workpiece.
5. the fixture for numerically controlled lathe quick-clamping special-shaped workpiece according to claim 1, is characterized in that: the axial end center that described terminal pad (6) is connected with lathe ring flange is provided with taper hole and ring flange taper fit.
6. the fixture for numerically controlled lathe quick-clamping special-shaped workpiece according to claim 1, it is characterized in that: the axial end that described terminal pad (6) is relative with clamp body (7) is provided with round platform, the axial end that described clamp body (7) is relative with terminal pad (6) is provided with taper hole, and terminal pad (6) is fixedly connected with by taper fit with clamp body (7).
7. the fixture for numerically controlled lathe quick-clamping special-shaped workpiece according to claim 1, it is characterized in that: described Workpiece fixing core body (11) is stepped, the work mounting s portion (7b) of described clamp body (7) is provided with installing hole, the miner diameter end of Workpiece fixing core body (11), through installing hole, is mounted by means of bolts in the work mounting s portion (7b) of clamp body (7).
8. the fixture for numerically controlled lathe quick-clamping special-shaped workpiece according to claim 1, is characterized in that: described pull bar (1) is slidably fitted in the endoporus of lathe spindle by supporting tapered sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662337.4U CN204221472U (en) | 2014-11-09 | 2014-11-09 | For the fixture of numerically controlled lathe quick-clamping special-shaped workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662337.4U CN204221472U (en) | 2014-11-09 | 2014-11-09 | For the fixture of numerically controlled lathe quick-clamping special-shaped workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204221472U true CN204221472U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420662337.4U Expired - Fee Related CN204221472U (en) | 2014-11-09 | 2014-11-09 | For the fixture of numerically controlled lathe quick-clamping special-shaped workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204221472U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415050A (en) * | 2015-12-11 | 2016-03-23 | 江西昌河航空工业有限公司 | Turning and clamping device of disc ring type parts |
| CN105436934A (en) * | 2015-12-19 | 2016-03-30 | 重庆华洋单向器制造有限公司 | Fixing device for workpiece |
| CN106112042A (en) * | 2016-07-22 | 2016-11-16 | 重庆美心翼申机械股份有限公司 | A kind of crank throw positioning fixture |
| CN109605065A (en) * | 2018-12-14 | 2019-04-12 | 深圳先进技术研究院 | Parts clamping device |
| CN112171329A (en) * | 2020-09-24 | 2021-01-05 | 侯仕仙 | Special-shaped part machining clamping positioner |
| CN114226771A (en) * | 2022-01-10 | 2022-03-25 | 宁波碧海精工有限公司 | Flexibly-adjusted eccentric clamp for numerically controlled lathe and implementation method thereof |
-
2014
- 2014-11-09 CN CN201420662337.4U patent/CN204221472U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415050A (en) * | 2015-12-11 | 2016-03-23 | 江西昌河航空工业有限公司 | Turning and clamping device of disc ring type parts |
| CN105415050B (en) * | 2015-12-11 | 2017-11-17 | 江西昌河航空工业有限公司 | A kind of disk ring class accessory turning clamping device |
| CN105436934A (en) * | 2015-12-19 | 2016-03-30 | 重庆华洋单向器制造有限公司 | Fixing device for workpiece |
| CN105436934B (en) * | 2015-12-19 | 2018-05-15 | 重庆华洋单向器制造有限公司 | Fixing device for workpiece |
| CN106112042A (en) * | 2016-07-22 | 2016-11-16 | 重庆美心翼申机械股份有限公司 | A kind of crank throw positioning fixture |
| CN106112042B (en) * | 2016-07-22 | 2018-08-21 | 重庆美心翼申机械股份有限公司 | A kind of crank throw positioning fixture |
| CN109605065A (en) * | 2018-12-14 | 2019-04-12 | 深圳先进技术研究院 | Parts clamping device |
| CN112171329A (en) * | 2020-09-24 | 2021-01-05 | 侯仕仙 | Special-shaped part machining clamping positioner |
| CN114226771A (en) * | 2022-01-10 | 2022-03-25 | 宁波碧海精工有限公司 | Flexibly-adjusted eccentric clamp for numerically controlled lathe and implementation method thereof |
| CN114226771B (en) * | 2022-01-10 | 2024-05-28 | 宁波碧海精工有限公司 | Implementation method of flexible eccentric adjustment clamp for numerical control lathe |
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Legal Events
| 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 |
Granted publication date: 20150325 Termination date: 20181109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |