CN112338578A - Clamping device for lathing valve guide pipe - Google Patents
Clamping device for lathing valve guide pipe Download PDFInfo
- Publication number
- CN112338578A CN112338578A CN202011204088.0A CN202011204088A CN112338578A CN 112338578 A CN112338578 A CN 112338578A CN 202011204088 A CN202011204088 A CN 202011204088A CN 112338578 A CN112338578 A CN 112338578A
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- CN
- China
- Prior art keywords
- chuck
- base block
- clamping device
- holding
- guide pipe
- Prior art date
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000004663 powder metallurgy Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a valve guide pipe turning and clamping device, which comprises a turning and clamping device, wherein a bracket body is arranged on the turning and clamping device, a limiting slide rail is arranged in the center of the side wall at two sides of the bracket body and the center of the bottom at the inner side of the bracket body, a driving oil cylinder is arranged at one end of the center in the bracket body, a rotating motor mounting bracket is arranged on a push shaft of the driving oil cylinder, a chuck plate mounting base block is arranged on a rotating shaft of the rotating motor in the rotating motor mounting bracket, an annular bracket is arranged outside the chuck plate mounting base block, the chuck plate mounting base block moves in the horizontal direction under the driving of the driving oil cylinder, three clamping mechanisms are arranged at equal central angles in the chuck plate mounting base block, a chuck plate on each clamping mechanism moves under the driving of a, the device has reasonable design, good stability of clamping the conduit, high clamping speed and suitability for clamping conduits with different diameters.
Description
Technical Field
The invention relates to the technical field of valve guide pipe turning clamping, in particular to a valve guide pipe turning clamping device.
Background
The powder metallurgy valve guide pipe is usually in a slender tubular shape, and due to the slender shape, the axial density distribution is uneven during pressing, the sintered valve guide pipe has large axial difference between the inner diameter and the outer diameter, and the coaxiality of the inner circle and the outer circle is out of tolerance. In order to solve the problems that the inner and outer diameter sizes of the sintered powder metallurgy valve guide are different greatly along the axial direction, the coaxiality of the inner and outer circles is out of tolerance and the like, the sintered powder metallurgy valve guide is machined. The clamping device in the prior art is simpler in structure, an iron rod is clamped on a three-jaw chuck of a lathe, the outer diameter of the iron rod is basically the same as the inner diameter of a valve guide pipe, one end of the valve guide pipe is inserted into the iron rod during clamping, a tail thimble of the lathe is used for jacking the other end of the valve guide pipe and applying certain pressure, so that the valve guide pipe is fixed, and the lathe is convenient to process. The device has the defect that the positioning precision is low due to a certain gap between the excircle of the iron rod and the inner hole of the valve guide pipe. In addition, the positioning precision is also influenced due to inconsistent pressure applied by the tail ejector pin, and the end part of the valve guide pipe can be burst when the applied pressure is too high. Moreover, the valve guide pipe is assembled and disassembled with low efficiency because the tail thimble needs to be advanced or retracted for a large distance. In order to solve the problems, a clamping device with ejector pins at two ends is provided, the device changes an iron bar clamped by a three-jaw chuck of a lathe into the ejector pins, when the valve guide pipe is clamped, one end of the valve guide pipe is inserted into the ejector pins, and the ejector pins at the tail of the lathe are ejected into the other end of the valve guide pipe and apply certain pressure to fix the valve guide pipe. The device also adopts the pressure applied by the tail thimble manually adjusted, so that the positioning precision is not high, and the valve guide pipe is easy to break when the applied pressure is overlarge.
The invention provides a valve guide pipe turning and clamping device, aiming at solving the problems of low positioning precision, easy breakage of a valve guide pipe, low efficiency and the like in the existing powder metallurgy valve guide pipe turning and clamping technology.
Disclosure of Invention
The invention aims to provide an air valve guide pipe lathe machining clamping device which is characterized in that limiting slide rails are arranged in the centers of the side walls on two sides of a support body and the bottom of the inner side of the support body, a driving oil cylinder is arranged at one end of the center in the support body, a rotating motor mounting support is arranged on a push shaft of the driving oil cylinder, a chuck plate mounting base block is arranged on a rotating motor rotating shaft in the rotating motor mounting support, an annular support is arranged outside the chuck plate mounting base block, the chuck plate mounting base block moves in the horizontal direction under the driving of the driving oil cylinder, three clamping mechanisms are arranged in the center of a circle such as the inner part of the chuck plate mounting base block, and a chuck plate on each clamping mechanism moves under the driving of a driving oil cylinder B, so that a guide pipe.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a valve guide pipe car processing clamping device, includes car processing clamping device, be equipped with the stake body on the car processing clamping device, the stake body becomes the spill, the central authorities that car processing clamping device's inside is close to one end are equipped with actuating cylinder A, and actuating cylinder A pushes away epaxial being equipped with and rotates motor mounting base, the inside central authorities that rotate motor mounting base are equipped with the rotation motor, are equipped with (holding) chuck installation base block in the pivot of rotation motor, the cooperation installation between (holding) chuck installation base block and the stake body, the inside equal central angle of (holding) chuck installation base block is equipped with fixture, the cooperation installation between fixture and (holding) chuck installation base block.
Preferably, the lateral walls of the two sides of the bracket body are arc-shaped, the inner lateral wall and the bottom of the bracket body are both provided with a limiting slide rail, and the limiting slide rail is fixedly connected with the bracket body.
Preferably, the clamping mechanism is provided with a driving oil cylinder B, a pushing shaft of the driving oil cylinder B is provided with a chuck, the outer center of the chuck is fixedly connected with the pushing shaft of the driving oil cylinder B, the inner side surface of the chuck is provided with an anti-slip bush, the anti-slip bush and the chuck are of an integrated structure, one side of the chuck is provided with a chuck limiting slide rail, the chuck is installed in a matched manner with the chuck limiting slide rail, and one side surface of the chuck limiting slide rail is fixedly connected with a chuck installation base block.
Preferably, the outside of (holding) chuck installation base block is equipped with the ring carrier, and the cooperation installation between ring carrier and the spacing slide rail, the inside of (holding) chuck installation base block is equipped with the oil feed tank, and the embedded inside that sets up at (holding) chuck installation base block of oil feed tank.
Preferably, a liquid guide pipe is arranged between the driving oil cylinder B and the oil supply tank, one end of the liquid guide pipe is fixedly connected with the oil supply tank, and a one-way valve is arranged at the joint of the other end of the liquid guide pipe and the driving oil cylinder.
Preferably, the chuck mounting base block is rotated in a vertical direction by an angle ranging from 0 to 360 °.
Preferably, the clamping method of the valve guide tube lathing clamping device comprises the following steps:
A. a push shaft of the driving oil cylinder B is retracted, so that three chucks in the chuck mounting base block are opened to the maximum, the air guide pipe to be processed is placed in the center of the three chucks, the driving oil cylinder B pushes out the chucks, and the chucks clamp the guide pipe;
B. the driving oil cylinder A adjusts the position of the chuck mounting base block in the bracket body;
C. the rotating motor rotates to drive the guide pipe to rotate, and the guide pipe is assisted to be machined by a lathe.
Compared with the prior art, the invention has the beneficial effects that:
(1) the rotation angle range of the chuck mounting base block in the vertical direction is 0-360 degrees, so that the guide pipe clamped in the chuck mounting base block can be rotated and processed in any angle range, and the flexibility of the equipment is improved;
(2) the device has reasonable design, good stability of clamping the conduit, high clamping speed and suitability for clamping conduits with different diameters.
Drawings
FIG. 1 is a schematic view of a turning clamping device according to the present invention;
fig. 2 is a cross-sectional view of the turning clamping device of the present invention.
In the figure: 1. lathing the clamping device; 2. a stent body; 3. a limiting slide rail; 4. a chuck mounting base block; 5. a chuck limiting slide rail; 6. a one-way valve; 7. a chuck; 8. an anti-slip liner; 9. an oil supply tank; 10. a catheter; 11. an annular support; 12. driving the oil cylinder A; 13. rotating the motor mounting base; 14. rotating the motor; 15. a clamping mechanism; 16. and driving the oil cylinder B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a valve guide car processing clamping device, includes car processing clamping device 1, its characterized in that: be equipped with stake body 2 on the car processing clamping device 1, stake body 2 is spill, and the both sides lateral wall of stake body 2 is circular-arc, and inboard lateral wall and the bottom of stake body 2 all are equipped with spacing slide rail 3, fixed connection between spacing slide rail 3 and the stake body 2.
The inside central authorities that are close to one end of car processing clamping device 1 are equipped with drive cylinder A12, be equipped with on drive cylinder A12's the push shaft and rotate motor mounting base 13, the inside central authorities that rotate motor mounting base 13 are equipped with rotation motor 14, be equipped with (holding) chuck installation base block 4 in the pivot of rotation motor 14, the outside of (holding) chuck installation base block 4 is equipped with ring carrier 11, the cooperation installation between ring carrier 11 and the spacing slide rail 3, the inside of (holding) chuck installation base block 4 is equipped with supplies oil tank 9, supply the embedded inside that sets up at (holding) chuck installation base block 4 of oil tank 9, the cooperation installation between (holding) chuck installation base block 4 and the stake body 2.
The clamping mechanism 15 is arranged at the inner equal-central-angle of the chuck mounting base block 4, the driving oil cylinder B16 is arranged on the clamping mechanism 15, the chuck 7 is arranged on the push shaft of the driving oil cylinder B16, the center of the outer side of the chuck 7 is fixedly connected with the push shaft of the driving oil cylinder B16, the liquid guide pipe 10 is arranged between the driving oil cylinder B16 and the oil supply tank 9, one end of the liquid guide pipe 10 is fixedly connected with the oil supply tank 9, the one-way valve 6 is arranged at the joint of the other end of the liquid guide pipe 10 and the driving oil cylinder 16, and when the oil supply tank 9 supplies oil to the driving oil cylinder B16, the one-way.
The inside side surface of (holding) chuck 7 is equipped with anti-skidding bush 8, anti-skidding bush 8 and (holding) chuck 7 structure as an organic whole, one side of (holding) chuck 7 is equipped with the spacing slide rail of (holding) chuck 5, (holding) chuck 7 and the spacing slide rail of (holding) chuck 5 cooperation installation, fixed connection between the side surface of the spacing slide rail of (holding) chuck 5 and (holding) chuck installation base block 4, the cooperation installation between fixture 15 and (holding) chuck installation base block 4, (holding) chuck installation base block 4 is 0-360 at vertical direction turned angle scope, make the pipe of the inside centre gripping of (holding) chuck installation base block 4 can be at arbitrary.
The clamping method of the clamping device for lathing the valve guide pipe comprises the following steps: the push shaft of the driving oil cylinder B16 is retracted to enable the three chucks in the chuck mounting base block 4 to be opened to the maximum, the air guide pipe to be processed is placed in the center of the three chucks, the driving oil cylinder B16 pushes out the chucks 7 to enable the chucks 7 to clamp the guide pipe, the driving oil cylinder A12 adjusts the position of the chuck mounting base block 4 in the support body 2, and the rotating motor 14 rotates to drive the guide pipe to rotate to assist in turning the guide pipe.
The device has reasonable design, good stability of clamping the conduit, high clamping speed and suitability for clamping conduits with different diameters.
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 (7)
1. The utility model provides a valve guide car processing clamping device, includes car processing clamping device (1), its characterized in that: be equipped with stake body (2) on car processing clamping device (1), stake body (2) become the spill, the inside central authorities that are close to one end of car processing clamping device (1) are equipped with actuating cylinder A (12), and actuating cylinder A (12) push away epaxial being equipped with rotates motor mounting base (13), the inside central authorities that rotate motor mounting base (13) are equipped with rotation motor (14), are equipped with (holding) chuck installation base block (4) in the pivot of rotation motor (14), the cooperation installation between (holding) chuck installation base block (4) and stake body (2), the inside isocentric angle of (holding) chuck installation base block (4) is equipped with fixture (15), and the cooperation installation between fixture (15) and (holding) chuck installation base block (4).
2. A valve guide machining clamping device according to claim 1, characterized in that: the lateral wall of both sides of stake body (2) is circular-arc, the inboard lateral wall and the bottom of stake body (2) all are equipped with spacing slide rail (3), fixed connection between spacing slide rail (3) and stake body (2).
3. A valve guide machining clamping device according to claim 1, characterized in that: be equipped with on fixture (15) drive cylinder B (16), be equipped with (7) the (7) chuck on the axle that pushes away of drive cylinder B (16), fixed connection between the outside central authorities of (7) and the axle that pushes away of drive cylinder B (16), the inboard surface of (7) is equipped with anti-skidding bush (8), anti-skidding bush (8) and (7) structure as an organic whole, one side of (7) is equipped with (5) the spacing slide rail of (5) of (holding) chuck, and (7) and (5) the cooperation installation of (5) of (holding) chuck, fixed connection between one side surface of (5) the spacing slide rail of (5) of (holding) and (4) the (holding) chuck installation base block.
4. A valve guide machining clamping device according to claim 1, characterized in that: the outside of (holding) chuck installation base block (4) is equipped with ring carrier (11), and the cooperation installation between ring carrier (11) and spacing slide rail (3), the inside of (holding) chuck installation base block (4) is equipped with supplies oil tank (9), and the embedded inside that sets up at (holding) chuck installation base block (4) of supplying oil tank (9).
5. A valve guide machining clamping device according to claim 3, characterized in that: a liquid guide pipe (10) is arranged between the driving oil cylinder B (16) and the oil supply tank (9), one end of the liquid guide pipe (10) is fixedly connected with the oil supply tank (9), and a one-way valve (6) is arranged at the joint of the other end of the liquid guide pipe (10) and the driving oil cylinder (16).
6. A valve guide machining clamping device according to claim 1, characterized in that: the rotation angle range of the chuck mounting base block (4) in the vertical direction is 0-360 degrees.
7. The valve guide machining clamping device of claim 1, wherein the clamping method comprises the following steps:
A. a push shaft of the driving oil cylinder B (16) is retracted, so that three chucks in the chuck mounting base block (4) are opened to the maximum, the air guide pipes to be processed are placed in the centers of the three chucks, the driving oil cylinder B (16) pushes out the chucks (7), and the chucks (7) clamp the guide pipes;
B. the driving oil cylinder A (12) adjusts the position of the chuck mounting base block (4) in the bracket body (2);
C. the rotating motor (14) rotates to drive the guide pipe to rotate, and the guide pipe is assisted to be machined by a vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204088.0A CN112338578A (en) | 2020-11-02 | 2020-11-02 | Clamping device for lathing valve guide pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204088.0A CN112338578A (en) | 2020-11-02 | 2020-11-02 | Clamping device for lathing valve guide pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112338578A true CN112338578A (en) | 2021-02-09 |
Family
ID=74355805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011204088.0A Pending CN112338578A (en) | 2020-11-02 | 2020-11-02 | Clamping device for lathing valve guide pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112338578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156958A (en) * | 2022-07-12 | 2022-10-11 | 魏海龙 | Clamping device for machining large-size locomotive wheel shaft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2867993A1 (en) * | 2004-03-29 | 2005-09-30 | Comau Systemes France Sa Sa | DEVICE AND METHOD FOR HIGH SPEED MACHINING OF LONG PIECES |
| DE102010035633B3 (en) * | 2010-08-27 | 2011-11-24 | Hohenstein Vorrichtungsbau Und Spannsysteme Gmbh | Hydraulic multi-part clamping apparatus for e.g. repeatable positioning long-shaft or rod-shaped workpieces, in horizontal position on e.g. machine tool, has tensioning drives arranged along rail transport for clamping rods of jaw via wedge |
| CN210588261U (en) * | 2019-09-24 | 2020-05-22 | 东莞程工自动化科技有限公司 | Pentahedron machining center |
| CN211192063U (en) * | 2019-12-13 | 2020-08-07 | 无锡圣博爱液压气动有限公司 | Hydraulic three-jaw clamp |
-
2020
- 2020-11-02 CN CN202011204088.0A patent/CN112338578A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2867993A1 (en) * | 2004-03-29 | 2005-09-30 | Comau Systemes France Sa Sa | DEVICE AND METHOD FOR HIGH SPEED MACHINING OF LONG PIECES |
| DE102010035633B3 (en) * | 2010-08-27 | 2011-11-24 | Hohenstein Vorrichtungsbau Und Spannsysteme Gmbh | Hydraulic multi-part clamping apparatus for e.g. repeatable positioning long-shaft or rod-shaped workpieces, in horizontal position on e.g. machine tool, has tensioning drives arranged along rail transport for clamping rods of jaw via wedge |
| CN210588261U (en) * | 2019-09-24 | 2020-05-22 | 东莞程工自动化科技有限公司 | Pentahedron machining center |
| CN211192063U (en) * | 2019-12-13 | 2020-08-07 | 无锡圣博爱液压气动有限公司 | Hydraulic three-jaw clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156958A (en) * | 2022-07-12 | 2022-10-11 | 魏海龙 | Clamping device for machining large-size locomotive wheel shaft |
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Application publication date: 20210209 |