CN115213648A - Core hole extrusion processing device and processing method of main core hole of hydraulic valve block - Google Patents
Core hole extrusion processing device and processing method of main core hole of hydraulic valve block Download PDFInfo
- Publication number
- CN115213648A CN115213648A CN202211133723.XA CN202211133723A CN115213648A CN 115213648 A CN115213648 A CN 115213648A CN 202211133723 A CN202211133723 A CN 202211133723A CN 115213648 A CN115213648 A CN 115213648A
- Authority
- CN
- China
- Prior art keywords
- core hole
- mandrel
- matching
- processing
- piece
- 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
- 238000001125 extrusion Methods 0.000 title claims abstract description 28
- 238000003672 processing method Methods 0.000 title abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000003754 machining Methods 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 description 6
- 238000003915 air pollution Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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
- B23P17/00—Metal-working operations, not covered by a single other subclass or another group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of mechanical processing bodies, and provides a core hole extrusion processing device and a processing method of a main core hole of a hydraulic valve block; the device comprises a mandrel component, wherein the head of the mandrel component is movably sleeved with a holder cylinder, and the tail of the mandrel component is sleeved with a matching handle; the matching handle is provided with a matching barrel body which is in inserting fit with the mandrel piece at one end of the matching handle facing the mandrel piece, and the other end of the matching handle is used for connecting a machine tool spindle; the opening end of the matching barrel is in threaded connection with an adjusting piece movably sleeved with the mandrel piece; a plurality of notches of stepping down have evenly been seted up on the retainer section of thick bamboo, and every is stepped down and all movably inlays in the notch and establishes a roller, and each roller all rotates the outer wall of butt dabber spare. Therefore, the extrusion processing of the main valve core hole is realized, the honing process is replaced, and the manufacturing cost is reduced; the universality is strong, and the equipment cost is reduced. According to the processing method, the processing with multiple working procedures can be realized by one-time clamping, so that error accumulation caused by multiple times of clamping is avoided, the processing efficiency is improved, and the processing quality is improved.
Description
Technical Field
The invention belongs to the technical field of mechanical processing bodies, and particularly relates to a core hole extrusion processing device and a processing method of a main core hole of a hydraulic valve block.
Background
The existing hydraulic valve block main valve core hole processing technology comprises the following steps: receiving a qualified semi-finished product → drilling a main valve core hole → expanding the main valve core hole → reaming the main valve core hole → honing (including rough honing and fine honing) → inspection. The process flow is long, the machine tool needs to be continuously replaced among a plurality of working procedures, errors are accumulated and increased due to the fact that the machine tool is positioned and clamped for a plurality of times, machining precision is difficult to guarantee, and time consumption is long.
The honing equipment has high investment, and the honing head is easy to wear and needs to be frequently replaced, so that the honing cost is high. Aviation kerosene is needed for cooling and lubricating during honing, so that air pollution is caused, and the physical health of an operator is seriously influenced. At present, no method and equipment for effectively replacing the honing process exist.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
The technical problem solved by the invention is as follows: the processing quality of the main valve core hole is improved, and the processing cost is reduced. The invention realizes the extrusion processing of the main valve core hole of the hydraulic valve block, so that the main valve core hole meets the requirements of surface roughness and form and position tolerance, the honing procedure is replaced, and the manufacturing cost is reduced. The invention has strong universality, can be used on various related devices, and reduces the device cost. The hydraulic valve block processing tool provides a low-cost and high-performance option for processing the hydraulic valve block. The invention also provides a method for processing the main core hole of the hydraulic valve block, which can realize processing of multiple procedures by one-time clamping, avoid error accumulation caused by multiple times of clamping, improve processing efficiency and improve processing quality.
In order to solve the problems, the invention provides a core hole extrusion processing device, which comprises a core shaft part, a holder cylinder is movably sleeved at the head part of the core shaft part, and a matching handle is sleeved at the tail part of the core shaft part;
the matching handle is provided with a matching barrel body which is in inserting fit with the mandrel piece at one end of the matching handle facing the mandrel piece, and the other end of the matching handle is used for connecting a machine tool spindle; the opening end of the matching barrel is in threaded connection with an adjusting piece movably sleeved with the core shaft piece;
a plurality of notches of stepping down are evenly arranged on the retainer barrel, a roller is movably embedded in each notch of stepping down, and each roller rotates the outer wall of the abutting mandrel piece.
According to the core hole extrusion processing device, the outer wall of the core shaft part is provided with the arc-shaped notch corresponding to the roller.
According to the core hole extrusion processing device, the column body of the roller is provided with the clamping ring, and the abdicating notch of the holding frame barrel is integrally provided with the clamping block matched with the clamping ring in a protruding mode.
According to the core hole extrusion processing device, the roller is internally provided with the medium cavity; the opening position of the medium cavity is in threaded connection with a sealing cover.
According to the core hole extrusion processing device, the matching barrel body of the matching handle is also internally provided with a barrel pushing piece which is in inserted matching with the core shaft piece.
According to the core hole extrusion processing device, the matching cylinder is internally provided with an adjusting spring which is sleeved with the core shaft piece; and two ends of the adjusting spring are respectively abutted against the adjusting piece and the push cylinder piece.
The invention also provides a method for processing the main core hole of the hydraulic valve block, which comprises the following steps:
s1, pre-installing a cutter for machining and the core hole extrusion machining device on numerical control machining equipment;
s2, clamping a hydraulic valve block blank to be machined into numerical control machining equipment;
s3, drilling a main valve core hole on the hydraulic valve block blank;
s4, reaming the hole formed in the step S3;
s5, boring the hole processed in the S4;
s6, reaming the hole processed in the S5;
and S7, extruding the holes processed in the step S6 by using the core hole extruding processing device to meet the requirements of tolerance and roughness.
In conclusion, the invention realizes the extrusion processing of the main valve core hole of the hydraulic valve block, so that the main valve core hole meets the requirements of surface roughness and form and position tolerance, the honing process is replaced, and the manufacturing cost is reduced. The invention has strong universality, can be used on various related devices, and reduces the device cost. The hydraulic valve block processing tool provides a low-cost and high-performance option for processing of the hydraulic valve block. The invention also provides a method for processing the main core hole of the hydraulic valve block, which can realize processing of multiple procedures by one-time clamping, avoid error accumulation caused by multiple times of clamping, improve processing efficiency and improve processing quality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cutaway structure of FIG. 1;
FIG. 3 is a schematic view of the structure of the area A in FIG. 1;
FIG. 4 is a schematic view of the structure in the direction B of FIG. 3;
FIG. 5 is a schematic view of the structure of the roller of the present invention;
FIG. 6 is a cross-sectional view of FIG. 5;
in the figure: 1-a holder cylinder, 11-a clamping block; 2-core shaft, 21-washer; 3-roller, 31-snap ring, 32-media chamber, 33-seal cover; 4-matching handle, 41-adjusting piece, 42-adjusting spring and 43-pushing barrel piece.
Detailed Description
Referring to fig. 1, the present invention provides a core hole extrusion processing apparatus, comprising
The head of the mandrel part 2 is movably sleeved with the holder barrel 1, and the tail of the mandrel part is sleeved with the matching handle 4;
with reference to fig. 2, a matching barrel body in plug-in fit with the mandrel member 2 is arranged at one end of the matching handle 4 facing the mandrel member 2, and the other end is used for connecting a machine tool spindle; the open end of the matching cylinder is in threaded connection with an adjusting piece 41 movably sleeved with the mandrel piece 2; after the mandrel piece 2 is in inserted fit with the matching handle 4, the mandrel piece 2 is locked in the matching handle 4 in the circumferential direction; under the action of external driving force, the handle rotates together with the matching handle 4.
Referring to fig. 3, a plurality of abdicating notches are uniformly formed in the holder barrel 1, a roller 3 is movably embedded in each abdicating notch, and each roller 3 is rotatably abutted against the outer wall of the mandrel member 2; referring to fig. 4, further, an arc-shaped notch corresponding to the roller 3 is formed in the outer wall of the mandrel member 2; the roller 3 and the mandrel component 2 are in surface contact, and the radial bearing capacity is enhanced.
When the main valve core hole of the hydraulic valve block is subjected to precision finishing, the machine tool drives the mandrel part 2 to rotate, and simultaneously the mandrel part 2 and the retainer cylinder 1 are extruded into the valve core hole to be processed together with certain extrusion force. In the entering process, the roller 3 is in extrusion contact with the inner wall of the hole, so that the surface layer metal of the inner wall of the hole generates plastic flow, the residual low-valley structure on the hole wall is filled, and the surface roughness value of the inner wall of the hole is reduced; meanwhile, the roundness and cylindricity of the main valve core hole are corrected. Finally, the main valve core hole meets the requirements of surface roughness and form and position tolerance.
The invention can realize the extrusion processing of the main valve core hole of the hydraulic valve block, so that the main valve core hole meets the requirements of surface roughness and form and position tolerance, the honing procedure is replaced, and the manufacturing cost is reduced. The invention has strong universality, can be used on various related devices, and reduces the device cost. The hydraulic valve block processing tool provides a low-cost and high-performance option for processing of the hydraulic valve block.
Preferably, referring to fig. 5, a clamping ring 31 is arranged on the shaft of the roller 3, and a clamping block 11 matched with the clamping ring 31 is protruded integrally in the abdicating notch of the holder barrel 1; the roller 3 can smoothly rotate under the action of pressure, and the roller is prevented from being stuck in the abdicating notch.
Further, referring to fig. 6, a medium cavity 32 is formed in the roller 3; the opening position of the medium cavity 32 is in threaded connection with a sealing cover 33; the medium cavity 32 can be pre-filled with cooling liquid to absorb heat generated during processing in time, so that the local part of the roller 3 is prevented from generating micro deformation due to temperature rise to influence the processing precision.
Preferably, a pushing barrel part 43 which is in inserted connection and matching with the mandrel part 2 is further arranged in the matching barrel body of the matching handle 4; the bearing capacity against the radial thrust is increased, and the stability of the core shaft member 2 at the time of extrusion is improved.
According to the invention, the position of the retainer cylinder 1 in the axial direction is adjusted by screwing the adjusting piece 41, so that the processing depth of the main valve core hole is controlled. Further, an adjusting spring 42 sleeved with the core shaft part 2 is further arranged in the matching cylinder body; two ends of the adjusting spring 42 are respectively abutted against the adjusting piece 41 and the push cylinder piece 43; the precision of the regulation is convenient to control.
Preferably, a gasket 21 is arranged between the holder barrel 1 and the adjusting piece 41, so that the contact stability of the holder barrel and the adjusting piece is improved.
The invention also provides a method for processing the main core hole of the hydraulic valve block, which comprises the following steps:
s1, pre-installing a cutter for machining and the core hole extrusion machining device on numerical control machining equipment;
s2, clamping a hydraulic valve block blank to be machined into numerical control machining equipment;
s3, drilling a main valve core hole on the hydraulic valve block blank;
s4, reaming the hole formed in the step S3;
s5, boring the hole processed in the S4;
s6, reaming the hole processed in the S5;
s7, extruding the holes processed in the step S6 by using the core hole extruding processing device to meet the requirements of tolerance and roughness;
the processing method can realize processing of multiple procedures by adopting one-time clamping, avoids error accumulation caused by multiple times of clamping, improves the processing efficiency and improves the processing quality.
In conclusion, the invention provides the core hole extrusion processing device, which realizes the extrusion processing of the main valve core hole of the hydraulic valve block, so that the main valve core hole meets the requirements of surface roughness and form and position tolerance, the honing process is replaced, and the manufacturing cost is reduced. The invention has strong universality, can be used on various related devices, and reduces the device cost. The hydraulic valve block processing tool provides a low-cost and high-performance option for processing of the hydraulic valve block. The invention also provides a method for processing the main core hole of the hydraulic valve block, which can realize processing of multiple processes by one-time clamping, avoids error accumulation caused by multiple times of clamping, improves the processing efficiency and improves the processing quality.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A core hole extrusion processing device is characterized by comprising
The head of the mandrel part is movably sleeved with the holder cylinder, and the tail of the mandrel part is sleeved with the matching handle;
the matching handle is provided with a matching barrel body which is in inserting fit with the mandrel piece at one end of the matching handle facing the mandrel piece, and the other end of the matching handle is used for connecting a machine tool spindle; the opening end of the matching cylinder is in threaded connection with an adjusting piece movably sleeved with the mandrel piece;
a plurality of notches of stepping down are evenly arranged on the retainer barrel, a roller is movably embedded in each notch of stepping down, and each roller rotates the outer wall of the abutting mandrel piece.
2. The core hole extrusion tooling apparatus of claim 1 wherein the outer wall of said mandrel member is provided with arcuate notches corresponding to the rollers.
3. The core hole extrusion processing device of claim 1, wherein the shaft of the roller is provided with a clamping ring, and a clamping block matched with the clamping ring is integrally protruded in the abdicating notch of the holder barrel.
4. The core hole extrusion tooling assembly of claim 3 wherein said roller has a media cavity formed therein; the opening position of the medium cavity is in threaded connection with a sealing cover.
5. The core hole extrusion processing apparatus as set forth in claim 1, wherein a barrel pushing member is further provided in the engaging barrel of said engaging shank to be engaged with the core shaft member.
6. The apparatus for extruding a core hole according to claim 5, wherein an adjusting spring is further provided in said fitting cylinder to be fitted to said core shaft; and two ends of the adjusting spring are respectively abutted against the adjusting piece and the push cylinder piece.
7. A method for processing a main core hole of a hydraulic valve block is characterized by comprising the following steps:
s1, pre-mounting a cutter for machining and the core hole extrusion machining device of any one of claims 1 to 6 on a numerical control machining device;
s2, clamping a hydraulic valve block blank to be machined into numerical control machining equipment;
s3, drilling a main valve core hole on the hydraulic valve block blank;
s4, reaming the hole formed in the step S3;
s5, boring the hole processed in the step S4;
s6, reaming the hole processed in the S5;
and S7, extruding the holes processed in the step S6 by using the core hole extruding processing device to meet the requirements of tolerance and roughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211133723.XA CN115213648A (en) | 2022-09-19 | 2022-09-19 | Core hole extrusion processing device and processing method of main core hole of hydraulic valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211133723.XA CN115213648A (en) | 2022-09-19 | 2022-09-19 | Core hole extrusion processing device and processing method of main core hole of hydraulic valve block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115213648A true CN115213648A (en) | 2022-10-21 |
Family
ID=83617454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211133723.XA Pending CN115213648A (en) | 2022-09-19 | 2022-09-19 | Core hole extrusion processing device and processing method of main core hole of hydraulic valve block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115213648A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2555489A1 (en) * | 1983-11-30 | 1985-05-31 | Honda Motor Co Ltd | METHOD FOR MANUFACTURING A SEATING ELEMENT OF A FUEL INJECTION VALVE |
| CN2487476Y (en) * | 2001-08-07 | 2002-04-24 | 宋恩辉 | Adjustable boring cutting polishing head |
| CN1775463A (en) * | 2005-11-24 | 2006-05-24 | 贵州凯星液力传动机械有限公司 | Valve hole ream-extrude working method |
| CN202556059U (en) * | 2012-03-16 | 2012-11-28 | 德州普利森机床有限公司 | Deep-hole machining cutting tool |
| CN204639166U (en) * | 2015-05-18 | 2015-09-16 | 无锡亿利大机械有限公司 | Gang tool is rolled in boring |
| CN113894560A (en) * | 2021-10-26 | 2022-01-07 | 德州普利森机床有限公司 | Efficient hydraulic expanding-shrinking boring scraping-rolling integrated cutter |
| CN114346274A (en) * | 2022-02-08 | 2022-04-15 | 山东莱芜煤矿机械有限公司 | Adjustable combined boring head |
-
2022
- 2022-09-19 CN CN202211133723.XA patent/CN115213648A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2555489A1 (en) * | 1983-11-30 | 1985-05-31 | Honda Motor Co Ltd | METHOD FOR MANUFACTURING A SEATING ELEMENT OF A FUEL INJECTION VALVE |
| CN2487476Y (en) * | 2001-08-07 | 2002-04-24 | 宋恩辉 | Adjustable boring cutting polishing head |
| CN1775463A (en) * | 2005-11-24 | 2006-05-24 | 贵州凯星液力传动机械有限公司 | Valve hole ream-extrude working method |
| CN202556059U (en) * | 2012-03-16 | 2012-11-28 | 德州普利森机床有限公司 | Deep-hole machining cutting tool |
| CN204639166U (en) * | 2015-05-18 | 2015-09-16 | 无锡亿利大机械有限公司 | Gang tool is rolled in boring |
| CN113894560A (en) * | 2021-10-26 | 2022-01-07 | 德州普利森机床有限公司 | Efficient hydraulic expanding-shrinking boring scraping-rolling integrated cutter |
| CN114346274A (en) * | 2022-02-08 | 2022-04-15 | 山东莱芜煤矿机械有限公司 | Adjustable combined boring head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1609549B1 (en) | Spindel apparatus comprising a withdrawable subassembly | |
| US7147232B2 (en) | Workpiece holder | |
| CN100387386C (en) | Bush for a chuck and method of its manufacture | |
| CN210232619U (en) | Honing center | |
| CN101791756B (en) | High-precision elastic tapered bore rolling device of cone sealing pipe joint | |
| CN108890238B (en) | Machining process of rigid flexible gear of robot speed reducer | |
| CN115213648A (en) | Core hole extrusion processing device and processing method of main core hole of hydraulic valve block | |
| CN201217149Y (en) | Horizontal numerical control boring wheeling machine | |
| CN107511725B (en) | Precise movable center device | |
| JP4768382B2 (en) | Tailstock | |
| CN200984691Y (en) | Taper gear internal hole trimming device | |
| CN116197609A (en) | High-precision thin-wall guide sleeve processing method | |
| CN215201450U (en) | Hydraulic thin-wall sleeve part grinding clamp | |
| JP5005406B2 (en) | Planar burnishing tool and burnishing method | |
| CN115255838A (en) | Manufacturing process and method of threading and rolling thread rolling wheel | |
| CN111215943B (en) | Machine tool for processing peripheral surface of circular ring with built-in cylinder | |
| CN108453288B (en) | Numerical control taper deep hole machining device and process | |
| US20190054591A1 (en) | Roller burnishing tool | |
| CN110681928A (en) | Part grinding quick-change clamp and grinding method | |
| CN214351059U (en) | High-precision clamp mechanism for numerical control machine tool | |
| CN111195824B (en) | Built-in cylinder driving type circular ring peripheral surface machining method and machining tool | |
| CN115369222B (en) | Extrusion device, extrusion assembly and extrusion method for hole-containing structure | |
| WO2012053455A1 (en) | Method for machining inner surface of cylinder and boring tool | |
| CN220073312U (en) | Pulling boring rolling head | |
| CN117245152B (en) | Inner expansion sleeve assembly and manufacturing method of inner expansion sleeve for high-precision positioning part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221021 |
|
| RJ01 | Rejection of invention patent application after publication |