CN211516116U - Clamping device for machining lathe spindle - Google Patents
Clamping device for machining lathe spindle Download PDFInfo
- Publication number
- CN211516116U CN211516116U CN201922473558.2U CN201922473558U CN211516116U CN 211516116 U CN211516116 U CN 211516116U CN 201922473558 U CN201922473558 U CN 201922473558U CN 211516116 U CN211516116 U CN 211516116U
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- China
- Prior art keywords
- chuck
- lathe spindle
- lathe
- clamping
- clamping device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000003754 machining Methods 0.000 title claims description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 abstract 1
- 238000000227 grinding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model relates to a clamping device, in particular to a clamping device for processing a lathe spindle, which comprises a lathe spindle, a chuck, a clamping jaw, a hydraulic rotating ring and a connecting disc, wherein one end of the lathe spindle is provided with a rotary oil feeder, the rotary oil feeder and the lathe spindle are fixedly connected through a conveying channel, the conveying channel is sleeved with a tensioning nut, one side of the lathe spindle, which is far away from the rotary oil feeder, is provided with the chuck, the connecting disc is arranged between the chuck and the lathe spindle, the connecting disc and the lathe spindle are fixedly installed through a second fixing bolt, the connecting disc and the chuck are fixedly installed through a first fixing bolt, the chuck and the rotary oil feeder are communicated through an oil pipe, the oil pipe is arranged inside the lathe spindle, the oil pipe and the chuck and the conveying channel are fixedly connected through a connecting part, the whole device of the utility model has a, the clamping claw is effectively prevented from directly contacting with a workpiece to clamp the workpiece, so that the damage is caused, and a certain popularization effect is achieved.
Description
Technical Field
The utility model relates to a clamping device specifically is a clamping device is used in lathe spindle processing.
Background
The chuck is a mechanical device used for clamping a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body, the chuck generally comprises the chuck body, the movable clamping jaws and a clamping jaw driving mechanism 3, the diameter of the chuck body is 65 mm at the minimum and can reach 1500 mm at the maximum, a through hole is arranged in the center, so that the back of the workpiece or bar stock is provided with a cylindrical or short conical structure and is connected with the end part of a main shaft of a machine tool directly or through a flange plate, the chuck is usually arranged on a lathe, a cylindrical grinding machine and an internal grinding machine for use and can also be matched with various indexing devices, is used on a milling machine and a drilling machine, but the jaws on many existing chucks are damaged due to the acting force after being directly contacted with a workpiece, meanwhile, the stability in the machining process is poor, so that the clamping device for machining the lathe spindle is needed to improve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clamping device is used in lathe spindle processing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a clamping device for machining a lathe spindle comprises a lathe spindle, a chuck, clamping jaws, a hydraulic rotating ring and a connecting disc, wherein a rotary oil feeder is arranged at one end of the lathe spindle, the rotary oil feeder and the lathe spindle are fixedly connected through a conveying channel, a tensioning nut is sleeved on the conveying channel, the chuck is arranged on one side, away from the rotary oil feeder, of the lathe spindle, a connecting disc is arranged between the chuck and the lathe spindle, the connecting disc and the lathe spindle are fixedly installed through a second fixing bolt, the connecting disc and the chuck are fixedly installed through a first fixing bolt, the chuck and the rotary oil feeder are connected through an oil pipe in a penetrating manner, the oil pipe is arranged inside the lathe spindle, the oil pipe, the chuck and the conveying channel are fixedly connected through a connecting part, the hydraulic rotating ring is sleeved on the chuck, four groups of clamping jaws are fixedly installed on one side, away from the, the clamping jaw is fixedly connected with the hydraulic rotating ring through a fixed clamping block, a clamping block is fixedly mounted on the inner side of the clamping jaw, and a step design is arranged on the clamping jaw.
Preferably, the rotary feeder and the oil pipe are connected through a conduit.
Preferably, the stepped design means that the thickness of the jaws decreases from outside to inside.
Preferably, the first fixing bolt and the second fixing bolt are installed in a reverse mode.
Preferably, the clamping jaw and the clamping block are integrally formed in a stretching mode, and the inner side of the clamping block is arc-shaped.
Preferably, the lathe spindle is T-shaped, and is made of titanium alloy in a customized mode together with the chuck, the clamping jaws and the connecting disc.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, during the use, the work piece with required processing is fixed spacingly through the jack catch and the clamp splice that set up, and can effectually avoid jack catch direct contact work piece to carry out the centre gripping through the clamp splice that sets up and cause the damage, simultaneously with the area of contact increase of work piece, greatly increased the stability of work piece, herein simultaneously, be provided with the ladder design on the jack catch, make its centre gripping effort through reducing its lifting surface area gradually, thereby increased the inside effort of unit area, further increase the work piece add the steadiness man-hour.
2. The utility model discloses in, during the use, rotatory oil feeder is through the pipe that sets up, oil pipe is with its pressure oil through transfer passage, the inside of lathe spindle until the chuck, and then rotatory ring of giving radial effort to the hydraulic pressure that cup joints on it, thereby it carries out radial motion to drive the work piece, for its processing provides more possibilities, be favorable to the quality of the products of its shaping and later stage, and be reverse installation mode between with first fixing bolt and the second fixing bolt and make connection performance better between connection pad and lathe spindle, the chuck.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
FIG. 3 is a schematic view of the external structure of the chuck of the present invention;
in the figure: 1-lathe spindle, 2-chuck, 3-jaw, 4-hydraulic rotating ring, 5-connecting disc, 6-fixed fixture block, 7-first fixed bolt, 8-tensioning nut, 9-rotating oil feeder, 10-second fixed bolt, 11-oil pipe, 12-connecting part, 13-conveying channel, 14-clamping block and 15-step design.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a clamping device is used in lathe spindle processing, includes lathe main shaft 1, chuck 2, jack catch 3, rotatory ring 4 of hydraulic pressure and connection pad 5, the one end of lathe main shaft 1 is provided with rotatory oil feeder 9, rotatory oil feeder 9 and lathe main shaft 1 are through transfer passage 13 fixed connection, the cover is equipped with tight nut 8 that rises on transfer passage 13, one side that rotatory oil feeder 9 was kept away from to lathe main shaft 1 is provided with chuck 2, be provided with connection pad 5 between chuck 2 and the lathe main shaft 1, connection pad 5 and lathe main shaft 1 pass through second fixing bolt 10 fixed mounting, connection pad 5 and chuck 2 pass through first fixing bolt 7 fixed mounting, chuck 2 and rotatory oil feeder 9 are through oil pipe 11 through-connection, and oil pipe 11 arranges the inside of lathe main shaft 1 in, and during the use, rotatory oil feeder 9 is through the pipe that sets up, The oil pipe 11 leads the pressure oil to pass through the conveying channel 13 and the inside of the lathe spindle 1 to the inside of the chuck 2, and further applies radial acting force to the hydraulic rotating ring 4 sleeved on the oil pipe to drive the workpiece to move radially, so that more possibilities are provided for the processing of the workpiece, the forming and the later-stage product quality are facilitated, the connecting performance between the connecting disc 5 and the lathe spindle 1 and the chuck 2 is better due to the reverse installation mode between the first fixing bolt 7 and the second fixing bolt 10, the oil pipe 11, the chuck 2 and the conveying channel 13 are fixedly connected through the connecting part 12, the hydraulic rotating ring 4 is sleeved on the chuck 2, four groups of equidistant clamping jaws 3 are fixedly installed on one side of the chuck 2 far away from the lathe spindle 1, the clamping jaws 3 are fixedly connected with the hydraulic rotating ring 4 through the fixed clamping blocks 6, and clamping blocks 14 are fixedly installed on the inner sides of the clamping jaws 3, be provided with ladder design 15 on the jack catch 3, during the use, fix spacing through jack catch 3 and the clamp splice 14 that sets up with the work piece of required processing, and can effectually avoid 3 direct contact work pieces of jack catch to carry out the centre gripping through the clamp splice 14 that sets up and cause the damage, simultaneously with the area of contact increase of work piece, greatly increased the stability of work piece, herein simultaneously, be provided with ladder design 15 on the jack catch 3, make its centre gripping effort through reducing its lifting surface area gradually, thereby increased the inside effort of unit area, further increased the steadiness when the work piece adds man-hour.
The utility model discloses the theory of operation: when the device is used, a workpiece to be processed is fixed and limited through the arranged clamping jaw 3 and the clamping block 14, the clamping jaw 3 can be effectively prevented from being directly contacted with the workpiece to be clamped and damaged through the arranged clamping block 14, the clamping jaw 3 is provided with the step design 15, so that the clamping acting force of the clamping jaw is gradually reduced, the acting force in the unit area is increased, then the pressure oil of the pressure oil is conveyed to the conveying channel 13 through the rotary oil feeder 9 and the oil pipe 11, and then flows to the inside of the lathe spindle 1 to the inside of the chuck 2, and further the radial acting force is applied to the hydraulic rotary ring 4 sleeved on the hydraulic rotary ring, so that the workpiece is driven to radially move, more possibility is provided for processing the workpiece, the structure of the whole device is simple, the damage caused by the clamping jaw directly contacting with the workpiece is effectively avoided, and meanwhile, the contact area with the workpiece, greatly increased the stability of work piece, simultaneously through reducing its lifting surface area gradually to increase the inside effort of unit area, further increased the steadiness that the work piece was processed, had certain spreading value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a clamping device is used in lathe spindle processing, includes lathe spindle (1), chuck (2), jack catch (3), hydraulic pressure rotating ring (4) and connection pad (5), its characterized in that: the one end of lathe main shaft (1) is provided with rotatory oil feeder (9), rotatory oil feeder (9) and lathe main shaft (1) are through transfer passage (13) fixed connection, the cover is equipped with tight nut (8) that rises on transfer passage (13), one side that rotatory oil feeder (9) were kept away from in lathe main shaft (1) is provided with chuck (2), be provided with between chuck (2) and lathe main shaft (1) connection pad (5), connection pad (5) and lathe main shaft (1) are through second fixing bolt (10) fixed mounting, connection pad (5) and chuck (2) are through first fixing bolt (7) fixed mounting, chuck (2) and rotatory oil feeder (9) are through-connection through oil pipe (11), and the inside of lathe main shaft (1) is arranged in oil pipe (11), oil pipe (11) and chuck (2), Conveying passage (13) all through connecting portion (12) fixed connection, rotatory ring (4) of hydraulic pressure has been cup jointed on chuck (2), lathe spindle (1) one side fixed mounting is kept away from in chuck (2) has four group's equidistance jack catch (3), jack catch (3) and the rotatory ring (4) of hydraulic pressure are through fixed fixture block (6) fixed connection, the inboard fixed mounting of jack catch (3) has clamp splice (14), be provided with ladder design (15) on jack catch (3).
2. The clamping device for machining the lathe spindle according to claim 1, wherein: the rotary oil feeder (9) is communicated with the oil pipe (11) through a guide pipe.
3. The clamping device for machining the lathe spindle according to claim 1, wherein: the stepped design (15) means that the thickness of the clamping jaw (3) is gradually reduced from outside to inside.
4. The clamping device for machining the lathe spindle according to claim 1, wherein: the first fixing bolt (7) and the second fixing bolt (10) are installed in a reverse mode.
5. The clamping device for machining the lathe spindle according to claim 1, wherein: the clamping jaw (3) and the clamping block (14) are integrally formed in a stretching mode, and the inner side of the clamping block (14) is arc-shaped.
6. The clamping device for machining the lathe spindle according to claim 1, wherein: the lathe spindle (1) is T-shaped and is made of titanium alloy in a customized mode together with the chuck (2), the clamping jaws (3) and the connecting disc (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473558.2U CN211516116U (en) | 2019-12-31 | 2019-12-31 | Clamping device for machining lathe spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473558.2U CN211516116U (en) | 2019-12-31 | 2019-12-31 | Clamping device for machining lathe spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211516116U true CN211516116U (en) | 2020-09-18 |
Family
ID=72468158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922473558.2U Expired - Fee Related CN211516116U (en) | 2019-12-31 | 2019-12-31 | Clamping device for machining lathe spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211516116U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696062A (en) * | 2021-08-13 | 2021-11-26 | 柯小川 | Special grinding clamp for lathe |
| CN117428557A (en) * | 2023-12-21 | 2024-01-23 | 江苏美申美克精密机械(南通)有限公司 | Hydraulic damping control device for numerical control spindle of machine tool |
-
2019
- 2019-12-31 CN CN201922473558.2U patent/CN211516116U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696062A (en) * | 2021-08-13 | 2021-11-26 | 柯小川 | Special grinding clamp for lathe |
| CN113696062B (en) * | 2021-08-13 | 2022-12-06 | 济南海佑新能源科技有限公司 | Special grinding clamp for lathe |
| CN117428557A (en) * | 2023-12-21 | 2024-01-23 | 江苏美申美克精密机械(南通)有限公司 | Hydraulic damping control device for numerical control spindle of machine tool |
| CN117428557B (en) * | 2023-12-21 | 2024-10-22 | 江苏美申美克精密机械(南通)有限公司 | Hydraulic damping control device for numerical control spindle of machine tool |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 |