CN112476236A - Floating hinge honing hole machining clamp and using method - Google Patents
Floating hinge honing hole machining clamp and using method Download PDFInfo
- Publication number
- CN112476236A CN112476236A CN202011260168.8A CN202011260168A CN112476236A CN 112476236 A CN112476236 A CN 112476236A CN 202011260168 A CN202011260168 A CN 202011260168A CN 112476236 A CN112476236 A CN 112476236A
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- China
- Prior art keywords
- positioning
- rotating shaft
- plates
- plate
- base plate
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Classifications
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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
-
- 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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
Abstract
The invention discloses a floating hinge honing hole machining clamp and a using method, wherein the floating hinge honing hole machining clamp comprises a base plate (1), two parallel support plates (2) are arranged on the base plate (1), a plurality of positioning plates (3) are arranged between the two support plates (2), a plurality of threaded holes (4) are formed in the positioning plates (3), a rotating shaft (5) is arranged between the positioning plates (3) and the support plates (2), and the rotating shaft (5) is connected with the upper parts of the support plates (2); one end of the rotating shaft (5) is tightly matched and inserted into the positioning plate (3), a bushing (6) is arranged at the other end of the rotating shaft (5), and the other end of the rotating shaft (5) is in clearance fit with the bushing (6); three positioning plates (3) are arranged; the base plate (1) is connected with the support plate (2) through screws, and a positioning pin (7) is arranged between the base plate (1) and the support plate (2). The valve core hole is processed by matching the invention with a vertical processing center, and has the advantages of low processing cost, good consistency of the valve core hole and high processing efficiency.
Description
Technical Field
The invention belongs to the field of clamps for adjusting valve sleeves, and particularly relates to a floating hinge honing hole machining clamp for a valve core hole of an adjusting valve sleeve and a using method.
Background
The regulating valve is generally applied to a hydraulic pump and is generally used for controlling the pressure or flow of the hydraulic pump, a regulating valve sleeve is arranged on the regulating valve, a valve core hole is formed in one end of the regulating valve sleeve, the precision requirement of the valve core hole is high (roundness, smoothness, aperture size and the like), and a screw hole which is coaxial with and communicated with the valve core hole is formed in the other end of the step valve sleeve.
The traditional valve core hole is formed by grinding with precision internal grinding equipment and then grinding in a manual mode; the precision internal grinding equipment is expensive, and the investment, maintenance and subsequent grinding wheel investment cost is high, so that the machining cost of the valve core hole is high; the manual grinding has high requirement on the skill of workers, the skill level of the workers is high and low, the consistency of the processed valve core holes is poor, the size dispersion is large, the manual grinding efficiency is low, and the processing efficiency of the valve core holes is low.
The valve core hole can also be processed by a high-precision honing machine, the processing efficiency is high, the cutter of the high-precision honing machine is used for ensuring the aperture of a part, the size is stable, the consistency is good, but the high-precision honing machine is expensive, the processing cost of the valve core hole is high, the positioning precision requirement on a workpiece is high, a lot of time is needed for positioning, the processing efficiency of the valve core hole is low, and 5 minutes (including the time for positioning) is consumed for processing one valve core hole by statistics.
Therefore, the valve core hole is processed by the existing equipment, and the defects of high processing cost, poor valve core hole consistency and low processing efficiency exist, or the defects of high processing cost and low processing efficiency exist.
Disclosure of Invention
The invention aims to provide a floating reaming and honing hole machining clamp and a using method thereof. The valve core hole is processed by matching the invention with a vertical processing center, and has the advantages of low processing cost, good consistency of the valve core hole and high processing efficiency.
The technical scheme of the invention is as follows: the floating hinge honing hole machining clamp comprises a base plate, two parallel support plates are arranged on the base plate, a plurality of positioning plates are arranged between the two support plates, a plurality of threaded holes are formed in the positioning plates, a rotating shaft is arranged between each positioning plate and each support plate, and the rotating shaft is connected with the upper portions of the support plates.
In the floating hinge honing hole machining clamp, one end of the rotating shaft is tightly inserted into the positioning plate, the other end of the rotating shaft is provided with the bushing, the bushing is tightly embedded inside the support plate, and the other end of the rotating shaft is in clearance fit with the bushing.
In the floating hinge honing hole machining clamp, the positioning plates are arranged side by side in the width direction.
In the floating hinge honing hole machining clamp, the base plate is connected with the support plate through screws, and the positioning pin is arranged between the base plate and the support plate.
In the floating hinge honing hole machining clamp, a gap is reserved between the support plate and the positioning plate.
In the floating reaming and honing hole machining clamp, the base plate is provided with the pressing groove.
In the floating hinge honing hole machining clamp, a reference surface is arranged on one side of the positioning plate in the width direction and is parallel to the rotating shaft.
The use method of the floating reaming and honing hole machining clamp comprises the following steps,
a. the fixture is placed on a worktable of the vertical machining center, the base plate is corrected through the reference surface, the length direction of the base plate is parallel to the X axial direction of the vertical machining center, and one threaded hole in one positioning plate is set as the origin of coordinates.
b. And the base plate is fixed on the working table surface of the vertical machining center by penetrating the bolt through the pressing groove.
c. The adjusting valve sleeves are respectively fixed on the top surfaces of the three positioning plates by a bolt which penetrates through the threaded hole from bottom to top to be connected with the threaded hole of the adjusting valve sleeve, the bolt is screwed by a torque wrench, and the torque wrench sets the torque to be 5-8 Nm.
d. And starting the vertical machining center, and sequentially machining the valve core holes in the plurality of regulating valve sleeves on the three positioning plates.
Compared with the prior art, the invention is fixed on the working table of the vertical machining center for use, the adjusting valve sleeve is fixed on the positioning plate, the positioning plate is rotatably connected with the support plate through the rotating shaft, the rotating shaft is connected with the upper part of the positioning plate, the center of gravity of the positioning plate is positioned below the rotating shaft, the positioning plate is kept horizontal under the action of self-gravity, the adjusting valve sleeve on the positioning plate automatically swings right, the valve core hole on the adjusting valve sleeve is kept vertical, and the clearance fit relation between the rotating shaft and the bush is added, so that the positioning plate can horizontally move, the valve core hole to be machined on the adjusting valve sleeve has the self-centering function, even if a certain dislocation is formed between the hinge honing cutter on the vertical machining center and the valve core hole to be machined, the valve core hole to be machined can be automatically coaxial with the cutter under the action of the hinge honing cutter, thereby, the time required by positioning is reduced, and the processing efficiency is improved. Furthermore, the valve core hole positioning device is provided with a plurality of positioning plates, each positioning plate can be fixed with a plurality of adjusting valve sleeves, the positioning requirements of the adjusting valve sleeves are met through one-time positioning, the positioning times are reduced, the time required for positioning is further reduced, the machining efficiency is improved, the statistical result shows that the average machining time of the valve core hole is only 2.8 minutes, and the efficiency is improved by 44%. The valve core hole has a self-centering function, so that the valve core hole can be matched with a vertical machining center which is low in price and poor in positioning accuracy, equipment cost is reduced, and machining cost is reduced. The valve core hole machining device is matched with a vertical machining center for use, the valve core hole is machined by using the honing cutter on the vertical machining center, and the precision of the valve core hole is ensured by the aid of the cutter, so that the valve core hole is good in consistency and small in size variation.
Therefore, the valve core hole is processed by matching the valve core hole processing device with a vertical processing center, and the valve core hole processing device has the advantages of low processing cost, good valve core hole consistency and high processing efficiency.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view at B-B of fig. 1.
Fig. 3 is a top view of the present invention.
Fig. 4 is a front view of the adjustment valve sleeve.
The labels in the figures are: 1-base plate, 2-support plate, 3-positioning plate, 4-threaded hole, 5-rotating shaft, 6-bushing, 7-positioning pin, 8-pressing groove, 9-datum plane, 10-threaded hole and 11-valve core hole.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. A floating hinge honing hole machining clamp is shown in figure 1 and comprises a base plate 1, two parallel support plates 2 are arranged on the base plate 1, three positioning plates 3 are arranged between the two support plates 2, a plurality of threaded holes 4 which are arranged in a straight line are formed in the positioning plates 3, a rotating shaft 5 is arranged between the positioning plates 3 and the support plates 2, and the rotating shaft 5 is connected with the upper portions of the support plates 2.
One end of the rotating shaft 5 is tightly matched and inserted into the side wall of the positioning plate 3, a bushing 6 is arranged at the other end of the rotating shaft 5, the bushing 6 is tightly matched and embedded inside the support plate 2, and the other end of the rotating shaft 5 is in clearance fit with the bushing 6. The rotating shaft 5 is positioned on the width-direction bisecting plane of the positioning plate 3.
The positioning plates 3 are arranged side by side in the width direction.
The base plate 1 is connected with the support plate 2 through screws, and a positioning pin 7 is arranged between the base plate 1 and the support plate 2.
And a gap is reserved between the support plate 2 and the positioning plate 3.
The base plate 1 is provided with two pressing grooves 8, and the two pressing grooves 8 are respectively arranged on the outer sides of the two support plates 2.
One side of the positioning plate 3 in the width direction is provided with a reference surface 9, and the reference surface 9 is parallel to the rotating shaft 5.
The use of the invention: the method comprises the following steps:
a. the fixture is placed on a worktable of a vertical machining center, the base plate 1 is corrected through the reference surface 9, the length direction of the base plate 1 is parallel to the X axial direction of the vertical machining center, and one threaded hole 4 in one positioning plate 3 is set as a coordinate origin.
b. The base plate 1 is fixed on the working table of the vertical machining center by bolts penetrating through the pressing grooves 8.
c. The adjusting valve sleeves are respectively fixed on the top surfaces of the three positioning plates 3 by connecting the adjusting valve sleeves with screw holes 10 penetrating through the threaded holes 4 from bottom to top by bolts, tightening the bolts by a torque wrench, and setting the torque by the torque wrench to be 5-8 Nm.
d. And starting the vertical machining center to sequentially machine the valve core holes 11 on the plurality of regulating valve sleeves on the three positioning plates 3.
The valve core hole is processed by matching the invention with a vertical processing center, and has the advantages of low processing cost, good consistency of the valve core hole and high processing efficiency.
Claims (8)
1. The hole machining anchor clamps that hone float, its characterized in that: the novel LED display panel comprises a substrate (1), wherein two parallel support plates (2) are arranged on the substrate (1), a plurality of positioning plates (3) are arranged between the two support plates (2), a plurality of threaded holes (4) are formed in the positioning plates (3), a rotating shaft (5) is arranged between the positioning plates (3) and the support plates (2), and the rotating shaft (5) is connected with the upper portions of the support plates (2).
2. The floating reaming and honing hole machining fixture of claim 1, wherein: one end of the rotating shaft (5) is tightly matched and inserted into the positioning plate (3), the other end of the rotating shaft (5) is provided with a bushing (6), the bushing (6) is tightly matched and embedded inside the support plate (2), and the other end of the rotating shaft (5) is in clearance fit with the bushing (6).
3. The floating reaming and honing hole machining fixture of claim 1, wherein: the positioning plates (3) are arranged side by side in the width direction.
4. The floating reaming and honing hole machining fixture of claim 1, wherein: the base plate (1) is connected with the support plate (2) through screws, and a positioning pin (7) is arranged between the base plate (1) and the support plate (2).
5. The floating reaming and honing hole machining fixture of claim 1, wherein: and a gap is reserved between the support plate (2) and the positioning plate (3).
6. The floating reaming and honing hole machining fixture of claim 1, wherein: and a pressing groove (8) is arranged on the substrate (1).
7. The floating reaming and honing hole machining fixture of claim 1, wherein: a reference surface (9) is arranged on one side of the positioning plate (3) in the width direction, and the reference surface (9) is parallel to the rotating shaft (5).
8. The use method of the floating reaming and honing hole machining fixture in any one of claims 1 to 7, wherein: comprises the following steps of (a) carrying out,
a. the fixture is placed on a working table of a vertical machining center, the base plate (1) is corrected through a reference surface (9), the length direction of the base plate (1) is parallel to the X axial direction of the vertical machining center, and one threaded hole (4) in one positioning plate (3) is set to be a coordinate origin.
b. The base plate (1) is fixed on the working table of the vertical machining center by bolts penetrating through the pressing grooves (8).
c. The adjusting valve sleeves penetrate through the threaded holes (4) from bottom to top to be connected with the screw holes (10) of the adjusting valve sleeves through bolts, the bolts are screwed down through the torque wrench, and the torque wrench sets the torque to be 5-8 Nm, so that the adjusting valve sleeves are fixed on the top surfaces of the three positioning plates (3) respectively.
d. And starting the vertical machining center to sequentially machine the valve core holes (11) on the plurality of regulating valve sleeves on the three positioning plates (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260168.8A CN112476236A (en) | 2020-11-12 | 2020-11-12 | Floating hinge honing hole machining clamp and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011260168.8A CN112476236A (en) | 2020-11-12 | 2020-11-12 | Floating hinge honing hole machining clamp and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112476236A true CN112476236A (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011260168.8A Pending CN112476236A (en) | 2020-11-12 | 2020-11-12 | Floating hinge honing hole machining clamp and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112476236A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695940A (en) * | 2021-07-15 | 2021-11-26 | 台州永安转向器有限公司 | Valve pocket steel ball hole reaming honing adds clamping apparatus |
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| CN106078261A (en) * | 2016-06-30 | 2016-11-09 | 新蕾车业无锡有限公司 | A kind of nut polishing fixture |
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2020
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5201502A (en) * | 1989-06-10 | 1993-04-13 | Erowa Ag | Apparatus for clamping workpieces which have to be machined by a machine tool |
| JPH0396142A (en) * | 1989-09-08 | 1991-04-22 | Fujitsu Ltd | Test terminal equipment for isdn |
| CN101870004A (en) * | 2010-06-08 | 2010-10-27 | 优德精密工业(昆山)有限公司 | Fixture for batch processing of inflating model fixing seat |
| CN104385013A (en) * | 2014-11-24 | 2015-03-04 | 重庆金辰机械制造有限公司 | Compressor cylinder body valve face drilling tapping face milling multi-station clamp |
| CN106078261A (en) * | 2016-06-30 | 2016-11-09 | 新蕾车业无锡有限公司 | A kind of nut polishing fixture |
| JP2019000914A (en) * | 2017-06-12 | 2019-01-10 | トーヨーエイテック株式会社 | Honing machine and processing method using the same |
| CN107398758A (en) * | 2017-09-07 | 2017-11-28 | 歌尔股份有限公司 | Positioning and clamping frock |
| CN207771343U (en) * | 2018-01-22 | 2018-08-28 | 江苏古川机械有限公司 | A kind of axe type nut special fixture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695940A (en) * | 2021-07-15 | 2021-11-26 | 台州永安转向器有限公司 | Valve pocket steel ball hole reaming honing adds clamping apparatus |
| CN113695940B (en) * | 2021-07-15 | 2022-12-16 | 台州永安转向器有限公司 | Valve pocket steel ball hole reaming honing adds clamping apparatus |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |