CN113579381B - Jet disc assembly assembling tool for electro-hydraulic servo valve - Google Patents
Jet disc assembly assembling tool for electro-hydraulic servo valve Download PDFInfo
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- CN113579381B CN113579381B CN202110712083.7A CN202110712083A CN113579381B CN 113579381 B CN113579381 B CN 113579381B CN 202110712083 A CN202110712083 A CN 202110712083A CN 113579381 B CN113579381 B CN 113579381B
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- base
- end cover
- assembly
- servo valve
- electro
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A jet disc assembly assembling tool for an electro-hydraulic servo valve belongs to the technical field of machinery. The invention comprises a positioning strip, a base, an adjusting screw and a gland; the base is a step revolving body structure, an inner hole is formed in the center of the base, the upper end cover, the jet flow disc and the lower end cover of the product are sequentially installed in the inner hole from bottom to top, the linear groove structure of the part and the linear groove structure of the base are utilized to be positioned through the positioning strips, the gland is buckled at the top of the base in an inverted mode, and the product is compressed and fixed through the connection of the adjusting screw and the base.
Description
Technical Field
The invention relates to a jet disc assembly assembling tool for an electro-hydraulic servo valve, and belongs to the technical field of machinery.
Background
The servo valve is the core element of the servo mechanism, plays the role of 'electricity' and 'liquid' connection, amplification and conversion in the servo mechanism, converts a low-power electric signal into the motion of a valve core, controls the direction and the size of a high-pressure liquid flow flowing to a hydraulic actuator by the motion of the valve core, and pushes an engine (cabin) to swing by a piston rod of the actuator.
The deflector jet servo valve has the advantages of simple structure, good dynamic performance and strong pollution resistance, wherein the quality of the jet disc assembly is directly related to the quality of the whole valve, and further the product quality of the servo mechanism.
Disclosure of Invention
The invention solves the technical problems that: the defects in the prior art are overcome, the jet disc assembly assembling tool for the electro-hydraulic servo valve is provided, and the problems that the jet disc assembly assembling qualification rate is low (1) and the clamping is inconsistent in the multi-process machining process of the jet disc assembly are solved.
The technical solution of the invention is as follows: a jet disc assembly assembling tool for an electro-hydraulic servo valve comprises a positioning strip, a base, an adjusting screw and a gland; the base is a step revolving body structure, an inner hole is formed in the center of the base, the upper end cover, the jet disc and the lower end cover of the product are sequentially installed in the inner hole from bottom to top, the linear groove structure of the part and the linear groove structure of the base are utilized to position through the positioning strips, the gland is reversely buckled at the top of the base, and the product is compressed and fixed through the connection of the adjusting screw and the base.
Furthermore, the base is provided with parallel flat plates for clamping and positioning of a subsequent linear cutting machine.
Furthermore, the base mounting part is processed into a coaxial step hole structure, the diameter and the depth of the base mounting part correspond to the sizes of the upper end cover and the lower end cover of the product, radial and axial movement of the product is prevented, the three parts are coaxial, and the mistake proofing is effectively realized.
Furthermore, a tool withdrawal groove with the width smaller than the thickness of the upper end cover is machined at the bottom of the stepped hole of the base, so that the bottom surface of the upper end cover is prevented from being padded.
Furthermore, the base is provided with a straight groove with the width slightly smaller than the positioning strip, and the gap is not more than 0.01mm.
Furthermore, the base is provided with two through holes with the diameter slightly larger than phi 1.5, so that the grinding precision of a subsequent pin hole is guaranteed.
Furthermore, the width of the positioning strip corresponds to the width of the linear groove of the product, and the gap is not more than 0.01mm.
Furthermore, the gland is processed into a U-shaped structure, the perpendicularity between the bottom surface and the side surface is not more than 0.01mm, the parallelism of the assembly can be adjusted by adjusting the tightening force of the fixed threads, and the perpendicularity between the linear cutting pin hole and the reference surface is ensured to be within 0.01mm.
Furthermore, the bottom surface of the gland is provided with a through hole with the diameter slightly smaller than that of the lower end cover, so that the subsequent linear cutting alignment is facilitated on the premise of ensuring the compression.
Further, the product assembly sequence is as follows from bottom to top: the upper end cover, the jet disc and the lower end cover can effectively finish the grinding sleeve through the lower end cover with larger thickness in the subsequent pin hole grinding process, so that the grinding precision is ensured.
Compared with the prior art, the invention has the advantages that:
the invention aims to improve the assembly qualification rate of the jet disc assembly and improve the production efficiency under the condition of minimum cost. Compared with the prior art, the tool has the advantages that (1) the production cycle of the jet disc assembly is long, the production progress is delayed after scrapping, the delivery task is influenced, the tool is simple in structure and low in cost, the qualification rate of the assembly can be effectively improved, and the delivery progress of a product is guaranteed. (2) The quantity of the invention is increased, the assembly line type circulation among multiple processes after assembly of the assembly is realized, the clamping consistency in the processes of electrical machining, linear cutting and grinding of the pin hole of the assembly is kept, and the qualification rate of the product is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention; in the figure, 1 is a positioning strip, 2 is a base, 3 is a product (upper end cover), 4 is a product (jet flow disc), 5 is a product (lower end cover), 6 is a fixing screw, and 7 is a pressing cover.
Detailed Description
In order to better understand the technical solutions of the present application, the following detailed descriptions are provided with accompanying drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and in a case of no conflict, the technical features in the embodiments and examples of the present application may be combined with each other.
The following provides a further detailed description of a fluidic disc assembly assembling tool for an electro-hydraulic servo valve, which is provided in an embodiment of the present application, with reference to the accompanying drawings in the specification, and a specific implementation manner may include (as shown in fig. 1): two coaxial step holes are formed in the tool, so that the upper end cover, the jet disc and the lower end cover are installed in the correct sequence, and a positioning strip and a straight groove of three parts are arranged for positioning and preventing rotation; the bottom surface of the inner hole of the tool is vertical to the axis of the inner hole, the parallelism of the assembly can be adjusted to be within 0.01mm through the compression of the gland, and the perpendicularity of a subsequent linear cutting pin hole and a reference surface is ensured to solve the problem of low assembly qualification rate of the jet disc assembly; by increasing the number of the clamping device, the tool can be enabled to circulate along with a product after the jet disc assembly is assembled and pressed, subsequent processes such as electric machining, linear cutting, grinding and the like are carried out, the assembly is enabled to be clamped once in the process of assembling the assembly to the pin press-mounting process, and the problem that the assembly is inconsistent in clamping in the multi-process is solved.
In the scheme provided by the embodiment of the application, the positioning and the rotation prevention of the jet disc assembly are realized through the positioning strip and the tool groove. The upper end cover, the jet flow disc and the lower end cover are all provided with the straight grooves, and the gaps between the positioning strips and the straight grooves are controlled by arranging the high-precision positioning strips, so that the three parts are correctly combined and prevented from rotating relatively.
Further, the inner hole of the tool is provided with a step, so that the radial movement of the upper end cover is prevented, the coaxiality of three parts is ensured, and the mistake is effectively prevented. Because the outer diameters of the upper end cover and the jet flow disc are smaller than that of the lower end cover, the arranged step holes can ensure that the upper end cover is placed in first and the jet flow disc and the lower end cover are placed in later, and the mistake proofing is effectively realized; the clearance between the step hole and the excircle of the upper end cover and the excircle of the lower end cover is controlled, and the relative position precision of the three-piece assembly is ensured; and when the pin hole is ground, the thickness of the jet flow disc is only 0.3mm, the lower end cover is positioned on the uppermost layer after the assembly is assembled, the shape precision of the grinding tool passing through the thickest lower end cover is effectively maintained, and the grinding tool is ensured to be stable and reliable when the pin hole of the jet flow disc is ground.
Alternatively, a batch of parts may be machined. The tool can be used for processing three parts in a combined mode or processing one part independently, a plurality of jet flow discs can be overlapped, batch processing is achieved, at most 5 parts can be processed simultaneously at present, and the efficiency is improved to 500%.
In the scheme provided by the embodiment of the application, unique appearance and clamping design enable components in the tool to be directly clamped and convenient to process without being disassembled and positioned in a process flow. The appearance design of the tool is convenient for clamping and manual operation of a machine tool, and the time occupied by preparation work is reduced to the greatest extent.
Further, the bottom surface of the inner hole of the tool is screwed with the screw thread of the gland, the parallelism of the assembly can be adjusted, and the verticality of the linear cutting pin hole and the reference surface is guaranteed to be within 0.01mm. The parallelism of the gland adjusting assembly and the bottom surface of the tool base in the tool can be adjusted, and the perpendicularity of the linear cutting pin hole and the reference surface is guaranteed.
Further, during actual operation: a wire cutting tool is used; the base 2 is placed, the upper end cover 3, the jet flow disc 4 and the lower end cover 5 are sequentially arranged in an inner hole of the base 2, the positioning strip 1 is inserted into corresponding grooves of the upper end cover, the jet flow disc and the lower end cover along a positioning groove on the side surface of the base, the gland 7 is sleeved on the outer circle of the base 2, and the gland 7 and the base 2 are screwed and fixed through two fixing screws 6. The parallelism of the adjusting components in the tool is adjusted to be within 0.01mm through the two fixing screws 6, the wire cutting sequence processing can be firstly carried out, then the grinding sequence processing is carried out, and the tool is not dismounted in the middle.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (7)
1. The utility model provides a fluid jet disc subassembly equipment frock for electricity liquid servo valve which characterized in that: comprises a positioning strip (1), a base (2), a fixing screw (6) and a gland (7); the base (2) is of a step revolving body structure, an inner hole is formed in the center of the base, an upper end cover (3), a jet disc (4) and a lower end cover (5) of a product are sequentially installed in the inner hole from bottom to top, the product is positioned through a positioning strip (1) by utilizing a linear groove structure of a part and the linear groove structure of the base (2), a gland (7) is reversely buckled at the top of the base (2) and is connected with the base (2) through a fixing screw (6), and the product is compressed and fixed;
the mounting part of the base (2) is processed into a coaxial stepped hole structure, the diameter and the depth of the mounting part correspond to the sizes of an upper end cover (3) and a lower end cover (5) of a product, the radial and axial movement of the product is prevented, the coaxiality of three parts is ensured, and the mistake proofing is effectively realized;
the gland (7) is processed into a U-shaped structure, the perpendicularity between the bottom surface and the side surface is not more than 0.01mm, the parallelism of the assembly can be adjusted by adjusting the tightening force of the fixing screw (6), and the perpendicularity between the linear cutting pin hole and the reference surface is ensured to be within 0.01mm.
2. The assembly tool for the jet disc assembly for the electro-hydraulic servo valve according to claim 1, characterized in that: the base (2) is processed with parallel flat plates for clamping and positioning of a subsequent linear cutting machine.
3. The assembly tool for the jet disc assembly for the electro-hydraulic servo valve according to claim 1, characterized in that: the bottom of the step hole of the base (2) is provided with a tool withdrawal groove with the width smaller than the thickness of the upper end cover, so that the bottom surface of the upper end cover is prevented from being padded.
4. The assembly tool for the jet disc assembly for the electro-hydraulic servo valve according to claim 1, characterized in that: two through holes with the diameter slightly larger than phi 1.5 are processed on the base (2), so that the grinding precision of a subsequent pin hole is guaranteed.
5. The assembly tool for the jet disc assembly for the electro-hydraulic servo valve according to claim 1, characterized in that: the width of the positioning strip (1) corresponds to the width of the linear groove of the product, and the gap is not more than 0.01mm.
6. The assembly tool for the jet disc assembly for the electro-hydraulic servo valve according to claim 1, characterized in that: the bottom surface of the gland (7) is provided with a through hole with the diameter slightly smaller than that of the lower end cover, so that the subsequent linear cutting alignment is facilitated on the premise of ensuring the compression.
7. The assembly tool for the jet disc assembly for the electro-hydraulic servo valve according to claim 1, wherein the assembly sequence of products is from bottom to top: the upper end cover (3), the jet disc (4) and the lower end cover (5) can effectively finish the grinding sleeve through the lower end cover with larger thickness in the subsequent pin hole grinding process, so that the grinding precision is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712083.7A CN113579381B (en) | 2021-06-25 | 2021-06-25 | Jet disc assembly assembling tool for electro-hydraulic servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712083.7A CN113579381B (en) | 2021-06-25 | 2021-06-25 | Jet disc assembly assembling tool for electro-hydraulic servo valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113579381A CN113579381A (en) | 2021-11-02 |
| CN113579381B true CN113579381B (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110712083.7A Active CN113579381B (en) | 2021-06-25 | 2021-06-25 | Jet disc assembly assembling tool for electro-hydraulic servo valve |
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| CN (1) | CN113579381B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH661233A5 (en) * | 1983-02-28 | 1987-07-15 | Agie Ag Ind Elektronik | WORKPIECE RANGE ON MACHINE TOOLS. |
| CN106077839B (en) * | 2016-08-11 | 2018-07-03 | 芜湖金源机械制造有限公司 | Engine crankshaft damper pulley signal gear Gear Milling fixture |
| CN210524026U (en) * | 2019-07-23 | 2020-05-15 | 常州德劢精密传动有限公司 | Inner-hole-free copper worm gear hobbing tool |
| CN210997594U (en) * | 2019-10-25 | 2020-07-14 | 无锡君帆科技有限公司 | Disk hole processing tool |
| CN213104898U (en) * | 2020-06-23 | 2021-05-04 | 苏州市昌星模具机械有限公司 | Gear machining is with location clamping frock based on automatic positioning rises technique of rising |
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- 2021-06-25 CN CN202110712083.7A patent/CN113579381B/en active Active
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| CN113579381A (en) | 2021-11-02 |
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