CN104139293A - Main valve body centered sleeve pressing process - Google Patents
Main valve body centered sleeve pressing process Download PDFInfo
- Publication number
- CN104139293A CN104139293A CN201310169445.8A CN201310169445A CN104139293A CN 104139293 A CN104139293 A CN 104139293A CN 201310169445 A CN201310169445 A CN 201310169445A CN 104139293 A CN104139293 A CN 104139293A
- Authority
- CN
- China
- Prior art keywords
- main valve
- valve body
- valves
- capping
- sections
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/002—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units stationary whilst being composed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention relates to the technical field of machining of main valve bodies of locomotive braking air control valves, particularly to a main valve body centered sleeve pressing process. The process comprises, by taking a main valve mounting surface, an upper cover place, a lower cover surface and a positioning hole I or a positioning hole as the positioning references, firstly, positioning the main valve body through the positioning hole I and pressing a sliding valve sleeve in; secondly, reversing the main valve body and positioning the main valve body through the positioning hole II, and after the main valve rotates at 104 degrees, pressing a check valve seat sleeve in; thirdly, rotating the main valve body at 140 degrees, and pressing a two-stage valve upper sleeve and a two-stage valve lower sleeve in; lastly, by taking the main valve mounting surface, the lower cover surface and a two-stage valve sleeve hole with the two-stage valve lower sleeve as the positioning references, pressing a local reducing valve sleeve in. The main valve body centered sleeve pressing process improves the working efficiency and reduces the leakage rate.
Description
Technical field
The Machining Technology field that the present invention relates to train braking air shut-off valve main valve body, specifically a kind of main valve body is to heart gland technique.
Background technology
120 main valve bodies are critical pieces of train braking air shut-off valve, the appearance and size that less than is 200 millimeters, 17 kilograms of heavy less thaies, arranging nine die cavities not of uniform size, 7 millimeters of wall thickness between die cavity, after composition, with 700Kpa pressure decay test, between gas circuit and each gland place all must not reveal, and material is QT450-10.120 main valve bodies are assembled on intermediate, one, every joint compartment composition.Cylinder is to gas, and brake(-holder) block is held brake disc tightly, brakes.
120 main valve body machinings totally 36 procedures, gland is the 27th procedure.On 20 tons of hydraulic press, respectively office is subtracted to valve pocket, check-valves cover for seat, two sections of valves are trapped, cover, slide valve buckle are pressed in respective aperture on two sections of valves, wherein, except office subtracts valve opening on front capping, all the other each Kong Quan are distributed on lower capping.The dimensional accuracy in hole is H8, and the dimensional accuracy of cover is X7, interference fit.Common platen press is: cover planted in respective aperture, and travelling workpiece, press ram center is aimed at visual trepanning center, is then pressed into.The shortcoming of this platen press has two.The visual error of centralization of the first is large, and varies with each individual, and slip reaches 20%.Desirable state should be that forcing press axle center is Center of Pressure and trepanning axis coinciding, there is no component, and the cover circumference being pressed into is stressed even, and the magnitude of interference is identical, and hole and inner room sealing effect are good, under 700Kpa air pressure, are difficult for sewing; Its two efficiency is low, because of once to just not needing travelling workpiece adjustment again.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of main valve body to heart gland technique, this technique has improved operating efficiency, has reduced slip.
To achieve these goals, the present invention is by the following technical solutions:
A kind of main valve body is to heart gland technique, and main valve body location and installation is on pressing sleeve tool, and cover on slide valve buckle, check-valves cover for seat, two sections of valves, two sections of valves are trapped and office subtracts valve pocket and is pressed into successively in hole corresponding on main valve body by hydraulic press pressure head, and concrete steps are as follows:
The first step, main valve body is arranged on the panoramic table of pressing sleeve tool, and following capping, main valve installed surface and upper capping be positioning datum, wherein descend the locating hole I that capping and panoramic table are provided with by lower capping to be located by connecting, the side-locating face of described main valve installed surface and pressing sleeve tool is located by connecting, the upper locating surface of described upper capping and pressing sleeve tool is located by connecting, compress valve body, by hydraulic press pressure head, slide valve buckle is pressed in the corresponding hole of main valve body;
Second step, by main valve body turn around, and following capping, main valve installed surface and upper capping be positioning datum, wherein going up the locating hole II that capping and panoramic table be provided with by upper capping is located by connecting, the side-locating face of described main valve installed surface and pressing sleeve tool is located by connecting, the upper locating surface of described lower capping and pressing sleeve tool is located by connecting, compress main valve body, panoramic table drives main valve body rotation c angle, by hydraulic press pressure head, non-return valve seat casing pressure is entered in the corresponding hole of main valve body;
The 3rd step, panoramic table drives main valve body rotation b angle, by hydraulic press pressure head, cover, two sections of valves on two sections of valves is trapped and is pressed into successively in the corresponding coaxial aperture of main valve body;
The 4th step, main valve body is positioning datum by main valve installed surface and lower capping, wherein main valve installed surface and panoramic table are located by connecting, the two section valve pocket hole of lower capping by being pressed with that two sections of valves trap and the side-locating face of pressing sleeve tool are located by connecting, compress valve body, by hydraulic press pressure head, office is subtracted to valve pocket and be pressed into before main valve body in hole corresponding on capping.
Described slide valve buckle, locating hole I and locating hole II are coaxial.The diameter of described locating hole I is 77mm, and the diameter of described locating hole II is 126mm.
In the described first step, the initial installation site of described main valve body on panoramic table is:
The angle of the distance between the distance between the locating hole axle center of described locating hole I and the workpiece centre of gyration of panoramic table and the pressure head axle center of hydraulic press pressure head and the workpiece centre of gyration of panoramic table is a, compress after main valve body, described panoramic table drives main valve body rotation a angle, by hydraulic press pressure head, slide valve buckle is pressed in the corresponding hole of main valve body, described a angle is 116 ° again.
Described c angle is 104 °, and described b angle is 140 °, gets back to the initial installation site of workpiece after described panoramic table drive main valve body rotation b angle.
The axle center that on described slide valve buckle, check-valves cover for seat and two sections of valves, cover or two sections of valves are trapped is on same circumference.Described hydraulic press pressure head is trapped cover, two sections of valves on slide valve buckle, check-valves cover for seat, two sections of valves by fairlead and office subtracts valve pocket and is pressed in hole corresponding on main valve body.In the described first step, second step and the 3rd step, between the main valve installed surface of main valve body and the side-locating face of pressing sleeve tool, be provided with adjusting pad.
Advantage of the present invention and beneficial effect are:
1. the present invention has improved operating efficiency, and gland slip drops to 0.5%.
2. the present invention has improved economic benefit.
3. the present invention is simple to operate, reliable and stable.
Brief description of the drawings
Fig. 1 is the structural representation of 120 main valve bodies;
Fig. 2 is schematic diagram of the present invention;
Fig. 3 is the frock schematic diagram that is pressed into slide valve buckle in the present invention;
Fig. 4 is the installation site schematic diagram of workpiece while being pressed into slide valve buckle in the present invention;
Fig. 5 be in the present invention slide valve buckle be pressed into position view;
Fig. 6 is the position view that is pressed into that in the present invention, non-return valve seat overlaps;
Fig. 7 is the frock schematic diagram that is pressed into check-valves cover for seat in the present invention;
Fig. 8 is the position view that is pressed into that in invention, cover and two sections of valves are trapped on two sections of valves;
Fig. 9 is pressed into the frock schematic diagram overlapping on two sections of valves in the present invention;
Figure 10 is pressed into the frock schematic diagram that two sections of valves are trapped in the present invention;
Figure 11 is the position view that is pressed into that in the present invention, office subtracts valve pocket;
Figure 12 is the frock schematic diagram that in the present invention, the office of being pressed into subtracts valve pocket.
Wherein: 1 is upper capping, 2 is front capping, 3 is lower capping, 4 is that office subtracts valve pocket, 5 is graduated release valve installed surface, 6 is slide valve buckle, 7 is main valve installed surface, 8 is to overlap on two sections of valves, 9 is that two sections of valves are trapped, 10 is non-return valve seat cover, 11 is the workpiece centre of gyration, 12 is locating hole axle center, 13 is slide valve buckle fairlead, 14 is hydraulic press pressure head, 15 is side-locating face, 16 is panoramic table, 17 is locating hole I, 18 is pressure head axle center, 19 is adjusting pad, 20 is locating hole II, a is slide valve buckle axle center to the axle center of overlapping on the distance of the workpiece centre of gyration and two sections of valves to the angle between the distance of the workpiece centre of gyration, b is that the angle between the distance of the workpiece centre of gyration is arrived to distance and the non-return valve seat cover axle center of the workpiece centre of gyration in the axle center of overlapping on two sections of valves, c is that the angle between the distance of the workpiece centre of gyration is arrived to distance and the slide valve buckle axle center of the workpiece centre of gyration in non-return valve seat cover axle center.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Fig. 1-12, a kind of main valve body of the present invention is to heart gland technique, by main valve body location and installation on pressing sleeve tool, on slide valve buckle 6, check-valves cover for seat 10, two sections of valves, overlap 8, two sections of valves trap 9 and office subtract valve pocket 4 and be pressed into successively in hole corresponding on main valve body by hydraulic press pressure head 14, concrete steps are as follows:
The first step, main valve body is arranged on the panoramic table 16 of pressing sleeve tool, and following capping 3, main valve installed surface 7 and upper capping 1 be positioning datum, the locating hole I17 that the diameter that wherein descends capping 3 and panoramic table 16 to be provided with by lower capping 3 is 77mm is located by connecting.Main valve installed surface 7 is located by connecting with the side-locating face 15 of pressing sleeve tool, between the side-locating face 15 of main valve installed surface 7 and pressing sleeve tool, is provided with adjusting pad 19, and upper capping 1 is located by connecting with the upper locating surface of pressing sleeve tool.
The initial installation site of main valve body on panoramic table 16 is: the angle a of the distance between the distance between the locating hole axle center 12 of locating hole I17 and the workpiece centre of gyration 11 of panoramic table 16 and the pressure head axle center 18 of hydraulic press pressure head 14 and the workpiece centre of gyration 11 of panoramic table 16 is 116 °.Compress main valve body, panoramic table 16 drives 116 ° of main valve body rotations, and hydraulic press pressure head 14 is pressed into slide valve buckle 6 in the corresponding hole of main valve body by slide valve buckle fairlead 13, and slide valve buckle 6 is coaxial with locating hole I17.
Second step, by main valve body turn around, and following capping 3, main valve installed surface 7 and upper capping 1 be positioning datum, wherein go up capping 1 and be located by connecting by the locating hole II20 that upper capping 1 is that be provided with and locating hole I17 is coaxial with panoramic table 16, the diameter of locating hole II20 is 126mm.Main valve installed surface 7 is located by connecting with the side-locating face 15 of pressing sleeve tool, between the side-locating face 15 of main valve installed surface 7 and pressing sleeve tool, is provided with adjusting pad 19.Lower capping 3 is located by connecting with the upper locating surface of pressing sleeve tool, compresses main valve body, and panoramic table 16 drives main valve body rotation c angle, and c is 104 °, and hydraulic press pressure head 14 is pressed into check-valves cover for seat 10 in the corresponding hole of main valve body by check-valves cover for seat fairlead.
The 3rd step, panoramic table 16 drives main valve body rotation b angle, and b is 140 °, and panoramic table 16 is got back to the initial installation site of workpiece after driving main valve body to rotate 140 °.Hydraulic press pressure head 14 by two sections of valves, overlap fairlead and two sections of valves trap fairlead guiding respectively by overlapping 8 on two sections of valves, two sections of valves trap and 9 are pressed into successively in the corresponding coaxial aperture of main valve body.On slide valve buckle 6, check-valves cover for seat 10 and two sections of valves, overlap 8 or two sections of valves trap 9 axle center on same circumference.
The 4th step, main valve body is positioning datum by main valve installed surface 7 and lower capping 3, wherein main valve installed surface 7 is located by connecting with panoramic table 16, lower capping 3 is located by connecting by being pressed with trap two sections of valve pocket holes of 9 and the side-locating face 15 of pressing sleeve tool of two sections of valves, compress valve body, hydraulic press pressure head 14 subtracts valve pocket fairlead guiding by office and office is subtracted to valve pocket 4 is pressed into before main valve body in hole corresponding on capping 2.
Claims (9)
1. a main valve body is to heart gland technique, it is characterized in that: main valve body location and installation is on pressing sleeve tool, on slide valve buckle (6), check-valves cover for seat (10), two sections of valves, cover (8), two sections of valves are trapped (9) and office subtracts valve pocket (4) and is pressed into successively in hole corresponding on main valve body by hydraulic press pressure head (14), and concrete steps are as follows:
The first step, main valve body is arranged on the panoramic table (16) of pressing sleeve tool, and following capping (3), main valve installed surface (7) and upper capping (1) are positioning datum, the locating hole I (17) that wherein descends capping (3) and panoramic table (16) to be provided with by lower capping (3) is located by connecting, described main valve installed surface (7) is located by connecting with the side-locating face (15) of pressing sleeve tool, described upper capping (1) is located by connecting with the upper locating surface of pressing sleeve tool, compress valve body, by hydraulic press pressure head (14), slide valve buckle (6) is pressed in the corresponding hole of main valve body,
Second step, main valve body is turned around, and following capping (3), main valve installed surface (7) and upper capping (1) are positioning datum, wherein going up capping (1) is located by connecting with the locating hole II (20) that panoramic table (16) is provided with by upper capping (1), described main valve installed surface (7) is located by connecting with the side-locating face (15) of pressing sleeve tool, described lower capping (3) is located by connecting with the upper locating surface of pressing sleeve tool, compress main valve body, panoramic table (16) drives main valve body rotation c angle, by hydraulic press pressure head (14), check-valves cover for seat (10) is pressed in the corresponding hole of main valve body,
The 3rd step, panoramic table (16) drives main valve body rotation b angle, by hydraulic press pressure head (14) by cover (8) on two sections of valves, two sections of valves trap (9) be pressed into successively in the corresponding coaxial aperture of main valve body;
The 4th step, main valve body is positioning datum by main valve installed surface (7) and lower capping (3), wherein main valve installed surface (7) is located by connecting with panoramic table (16), lower capping (3) is located by connecting by being pressed with trap two sections of valve pocket holes of (9) and the side-locating face (15) of pressing sleeve tool of two sections of valves, compress valve body, by hydraulic press pressure head (14), office is subtracted to valve pocket (4) and be pressed in the upper corresponding hole of the front capping (2) of main valve body.
2. press main valve body claimed in claim 1 to heart gland technique, it is characterized in that: described slide valve buckle (6), locating hole I (17) and locating hole II (20) are coaxial.
3. press main valve body claimed in claim 2 to heart gland technique, it is characterized in that: the diameter of described locating hole I (17) is 77mm, the diameter of described locating hole II (20) is 126mm.
4. press main valve body claimed in claim 2 to heart gland technique, it is characterized in that: in the described first step, the initial installation site of described main valve body on panoramic table (16) is:
The angle of the distance between the distance between the locating hole axle center (12) of described locating hole I (17) and the workpiece centre of gyration (11) of panoramic table (16) and the pressure head axle center (18) of hydraulic press pressure head (14) and the workpiece centre of gyration (11) of panoramic table (16) is a, compress after main valve body, described panoramic table (16) drives main valve body rotation a angle, then by hydraulic press pressure head (14), slide valve buckle (6) is pressed in the corresponding hole of main valve body.
5. press main valve body claimed in claim 4 to heart gland technique, it is characterized in that: described a angle is 116 °.
6. press main valve body claimed in claim 5 to heart gland technique, it is characterized in that: described c angle is 104 °, described b angle is 140 °, gets back to the initial installation site of workpiece after described panoramic table (16) drive main valve body rotation b angle.
By main valve body claimed in claim 1 to heart gland technique, it is characterized in that: on described slide valve buckle (6), check-valves cover for seat (10) and two sections of valves, cover (8) or two sections of valves are trapped the axle center of (9) on same circumference.
By main valve body claimed in claim 1 to heart gland technique, it is characterized in that: described hydraulic press pressure head (14) is trapped cover (8), two sections of valves on slide valve buckle (6), check-valves cover for seat (10), two sections of valves (9) by fairlead and office subtracts valve pocket (4) and is pressed in hole corresponding on main valve body.
9. press main valve body claimed in claim 1 to heart gland technique, it is characterized in that: in the described first step, second step and the 3rd step, between the main valve installed surface (7) of main valve body and the side-locating face (15) of pressing sleeve tool, be provided with adjusting pad (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169445.8A CN104139293B (en) | 2013-05-09 | 2013-05-09 | Main valve body is to heart gland technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169445.8A CN104139293B (en) | 2013-05-09 | 2013-05-09 | Main valve body is to heart gland technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104139293A true CN104139293A (en) | 2014-11-12 |
| CN104139293B CN104139293B (en) | 2016-08-03 |
Family
ID=51848722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310169445.8A Active CN104139293B (en) | 2013-05-09 | 2013-05-09 | Main valve body is to heart gland technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104139293B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000107954A (en) * | 1998-10-06 | 2000-04-18 | Hitachi Plant Eng & Constr Co Ltd | Rotary device for center alignment |
| US20030024108A1 (en) * | 2001-03-15 | 2003-02-06 | Yoshikazu Tsujimoto | Manufacturing device of support parts |
| CN101733718A (en) * | 2009-12-07 | 2010-06-16 | 盐城市捷新机械有限公司 | Vehicle pump bracket pressing sleeve tool device |
| CN102390015A (en) * | 2011-10-21 | 2012-03-28 | 四川红光汽车机电有限公司 | Mechanical assembling method of air throttle valve body |
| CN202479774U (en) * | 2012-02-21 | 2012-10-10 | 深圳市泽宇自动化设备有限公司 | Automatic protecting jacket assembly crimping machine |
-
2013
- 2013-05-09 CN CN201310169445.8A patent/CN104139293B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000107954A (en) * | 1998-10-06 | 2000-04-18 | Hitachi Plant Eng & Constr Co Ltd | Rotary device for center alignment |
| US20030024108A1 (en) * | 2001-03-15 | 2003-02-06 | Yoshikazu Tsujimoto | Manufacturing device of support parts |
| CN101733718A (en) * | 2009-12-07 | 2010-06-16 | 盐城市捷新机械有限公司 | Vehicle pump bracket pressing sleeve tool device |
| CN102390015A (en) * | 2011-10-21 | 2012-03-28 | 四川红光汽车机电有限公司 | Mechanical assembling method of air throttle valve body |
| CN202479774U (en) * | 2012-02-21 | 2012-10-10 | 深圳市泽宇自动化设备有限公司 | Automatic protecting jacket assembly crimping machine |
Non-Patent Citations (1)
| Title |
|---|
| 孙麟生: "120阀压套配合的研究", 《铁道机车车辆》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104139293B (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104512399B (en) | Electro-hydraulic brake device | |
| CN202263816U (en) | Numerical control turret punch press | |
| CN204430957U (en) | Rotary table | |
| CN107662116B (en) | A kind of jig platform for numerically-controlled machine tool | |
| CN202639780U (en) | Tool for assembling carrier roller bearing seat | |
| CN104139293A (en) | Main valve body centered sleeve pressing process | |
| CN102689176A (en) | Carrier roller bearing seat assembly tooling | |
| CN202224996U (en) | Brake gear for spindle of rotary tailstock | |
| CN105058404A (en) | Release type extrusion suction cup device | |
| CN201547249U (en) | High-pressure pneumatic stop valve | |
| CN202833396U (en) | Ultra-high pressure output integrated oil cylinder | |
| CN216463052U (en) | Fixing tool for milling edges of machine tool parts | |
| CN202894707U (en) | Assembling tool of variable mechanism of hydraulic motor | |
| CN203901207U (en) | Main valve body alignment pressing sleeve tool for air control valve for railway wagon | |
| CN201186380Y (en) | Horizontal type pipe joint crimping equipment | |
| CN208556721U (en) | Numerical control rotating platform clamping device | |
| CN107560854A (en) | The durable test device and its method of testing of a kind of needle bearing | |
| CN208885997U (en) | A kind of double-acting friction-free butterfly valve | |
| CN102654203B (en) | Spherical stop valve for underground combined mining working surface of coal mine | |
| CN103511652B (en) | High-temperature and high-pressure blind plate valve and operating method thereof | |
| CN208417121U (en) | A kind of prefill valve | |
| CN202927110U (en) | Split type swing vacuum gate valve and valve core | |
| CN208218290U (en) | A kind of hydraulic hoist arrestment mechanism | |
| CN201705750U (en) | Cycloid hydraulic brake motor | |
| CN203892288U (en) | Integrated type filling valve applied to large and medium hydraulic machines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |