CN211681074U - Reversing valve machining tool - Google Patents
Reversing valve machining tool Download PDFInfo
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- CN211681074U CN211681074U CN202020283118.0U CN202020283118U CN211681074U CN 211681074 U CN211681074 U CN 211681074U CN 202020283118 U CN202020283118 U CN 202020283118U CN 211681074 U CN211681074 U CN 211681074U
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- positioning shaft
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- reversing valve
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Abstract
The utility model discloses a reversing valve processing tool, which comprises a base, the upper surface of the base is obliquely provided with an installation inclined plate upwards, the installation inclined plate is provided with a mounting hole perpendicular to the installation inclined plate, a positioning shaft pin extending upwards the installation inclined plate is fixedly installed in the mounting hole, the bottom end of the positioning shaft pin is fixed on the installation inclined plate, a cylinder bottom cover and a cylinder top cover are sequentially sleeved on the positioning shaft pin from bottom to top, the cylinder bottom cover is sleeved on the positioning shaft pin, the cylinder top cover is sleeved on the cylinder bottom cover, the outer diameter of the cylinder top cover is smaller than the inner diameter of a fixing hole, the cylinder bottom cover is fixed on the installation inclined plate, and the bottom of the positioning shaft pin is provided with an air inlet hole; the top end of the positioning shaft pin is slidably provided with a positioning shaft pressing sleeve, and the top end of the positioning shaft pressing sleeve is detachably provided with a fastening device for fixing the reversing valve; the installation swash plate is fixed on be provided with the locating pin that uses with the pinhole cooperation, toward the inlet port ventilate with switching-over valve jack-up, the upset of being convenient for is dismantled, high accuracy convenient operation.
Description
Technical Field
The utility model relates to a switching-over valve processing technology field especially relates to a special frock for processing switching-over valve.
Background
The reversing valve is a directional control valve with more than two flow forms and more than two oil ports. The valve realizes the communication, cut-off and reversal of hydraulic oil flow, pressure unloading and sequential action control. The valve is controlled by the relative movement direction of the valve core and the valve body. There are two types, a rotary valve type and a slide valve type. The valve core is divided into two positions, three positions and the like according to the number of the working positions of the valve core staying in the valve body; the oil way connected with the valve body is divided into a two-way, a three-way, a four-way, a six-way and the like; the movement modes of the operation valve core are manual, motor, electric, hydraulic, electrohydraulic and the like. Because the machining precision requirement of switching-over valve is very high, consequently the installation requirement precision to the disk seat is very high when processing the switching-over valve, is provided with the shoulder hole on the switching-over valve, and the shoulder hole includes the fixed orifices of lower part and the locating hole on upper portion, and the diameter of fixed orifices is greater than the diameter of locating hole, and the frock of traditional processing switching-over valve is operated inconveniently, and the switching-over valve is changeed, is dismantled very difficult.
Disclosure of Invention
The utility model aims to solve the technical problem that a switching-over valve processing frock that the precision is high, dismantle and turn to easy operation is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the reversing valve machining tool comprises a base, wherein an installation inclined plate is obliquely arranged on the upper surface of the base towards the upper side, an installation hole perpendicular to the installation inclined plate is formed in the installation inclined plate, a positioning shaft pin extending towards the upper side of the installation inclined plate is fixedly installed in the installation hole, the bottom end of the positioning shaft pin is fixed on the installation inclined plate, a cylinder bottom cover and a cylinder top cover are sequentially sleeved on the positioning shaft pin from bottom to top, the cylinder top cover is sleeved on the cylinder bottom cover, the outer diameter of the cylinder top cover is smaller than the inner diameter of the fixing hole, and the cylinder bottom cover is fixed on the installation inclined plate, the bottom of the positioning shaft pin is provided with an air inlet hole for ventilating between the cylinder bottom cover and the cylinder top cover; the top end of the positioning shaft pin is slidably provided with a positioning shaft pressing sleeve, and the top end of the positioning shaft pressing sleeve is detachably provided with a fastening device for fixing the reversing valve; and the mounting inclined plate is fixedly provided with a positioning pin matched with the pin hole for use.
Preferably, the fastening device comprises a pressure plate, and the pressure plate is detachably connected with the positioning shaft pressing sleeve through a fastening bolt.
As a preferable technical solution, a fixing portion is disposed at a bottom end of the positioning shaft pin, a bottom surface of the fixing portion abuts against the installation inclined plate, a bottom surface of the cylinder bottom cover abuts against the fixing portion, and the cylinder bottom cover and the fixing portion are fixed to the installation inclined plate together.
As an optimized technical scheme, a pair of clamping plates are further arranged on the two sides of the reversing to-be-processed part on the base and used for clamping the to-be-processed part of the reversing valve, and the clamping plates are detachably mounted on the base.
As a preferred technical scheme, a reinforcing rib is arranged between the installation inclined plate and the base.
As the preferred technical scheme, the included angle between the installation inclined plate and the base is 45 degrees.
By adopting the technical scheme, the reversing valve machining tool is provided with a stepped hole, more than two pin holes are arranged on the periphery of the stepped hole, the stepped hole comprises a fixing hole at the lower part and a positioning hole at the upper part, the diameter of the fixing hole is larger than that of the positioning hole, the reversing valve machining tool comprises a base, an installation inclined plate is obliquely arranged on the upper surface of the base towards the upper part, an installation hole perpendicular to the installation inclined plate is arranged on the installation inclined plate, a positioning shaft pin extending towards the upper part of the installation inclined plate is fixedly installed in the installation hole, the bottom end of the positioning shaft pin is fixed on the installation inclined plate, a cylinder bottom cover and a cylinder top cover are sequentially sleeved on the positioning shaft pin from bottom to top, the cylinder bottom cover is sleeved on the positioning shaft pin, the cylinder top cover is sleeved on the cylinder bottom cover, and the outer diameter of the cylinder top, the cylinder bottom cover is fixed on the installation inclined plate, and the bottom of the positioning shaft pin is provided with an air inlet hole for ventilating between the cylinder bottom cover and the cylinder top cover; the top end of the positioning shaft pin is slidably provided with a positioning shaft pressing sleeve, and the top end of the positioning shaft pressing sleeve is detachably provided with a fastening device for fixing the reversing valve; the mounting inclined plate is fixedly provided with a positioning pin matched with the pin hole; the utility model has the advantages that: inserting the bottom end of the positioning shaft pin into the mounting hole on the mounting inclined plate, then sleeving the cylinder bottom cover on the positioning shaft pin, then sleeving the cylinder top cover on the cylinder bottom cover, fixing the cylinder bottom cover and the positioning shaft pin on the mounting inclined plate, sleeving the positioning shaft pressing sleeve on the top of the positioning shaft pin, sequentially inserting the fixing hole and the positioning hole of the reversing valve to be processed into the positioning shaft pin, enabling the hole bottom surface of the fixing hole to abut against the cylinder top cover, inserting the positioning pin into the corresponding pin hole, fixedly connecting the top surface of the reversing valve and the positioning shaft pressing sleeve through a fastening device, completing the positioning of the reversing valve, inflating the space between the cylinder bottom cover and the cylinder top cover through the air inlet hole when the reversing valve is turned over and disassembled, and jacking the reversing valve through the positioning shaft pressing sleeve under the thrust of air pressure, make the locating pin breaks away from the pinhole, the switching-over valve can round this moment the locating pin rotates, when rotating another processing position, will the locating pin inserts correspondingly in the pinhole, make the switching-over valve unrotatable, the switching-over valve passes through again under the action of gravity the locating shaft is pressed the cover and is tightly supported and lean on the locating pin, through the utility model discloses a function that the switching-over valve is convenient for overturn, dismantle, precision height, convenient operation.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a cross-sectional view of an embodiment of the present invention.
In the figure: 1-a base; 2-clamping plate; 3, installing an inclined plate; 4-positioning the shaft pin; 5-positioning the shaft pressing sleeve; 6-cylinder top cover; 7-cylinder bottom cover; 8-air inlet holes; 9-pressing a plate; 10-fastening bolts; 11-reinforcing ribs; 12-a diverter valve; 13-a fixed part; 14-a fixation hole; 15-positioning pin.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, the reversing valve processing tool is provided with a stepped hole on a reversing valve 12, the periphery of the stepped hole is provided with more than two pin holes, the stepped hole comprises a lower fixing hole 14 and an upper positioning hole, the diameter of the fixing hole 14 is larger than that of the positioning hole, the reversing valve processing tool comprises a base 1, an installation inclined plate 3 is obliquely arranged on the upper surface of the base 1, a mounting hole perpendicular to the installation inclined plate 3 is arranged on the installation inclined plate 3, a positioning shaft pin 4 extending above the installation inclined plate 3 is fixedly installed in the mounting hole, the bottom end of the positioning shaft pin 4 is fixed on the installation inclined plate 3, a cylinder bottom cover 7 and a cylinder top cover 6 are sequentially sleeved on the positioning shaft pin 4 from bottom to top, the cylinder bottom cover 7 is sleeved on the positioning shaft pin 4, and the cylinder top cover 6 is sleeved on the cylinder bottom cover 7, the outer diameter of the cylinder top cover 6 is smaller than the inner diameter of the fixing hole 14, the cylinder bottom cover 7 is fixed on the inclined mounting plate 3, and the bottom of the positioning shaft pin 4 is provided with an air inlet hole 8 for ventilating between the cylinder bottom cover 7 and the cylinder top cover 6; a positioning shaft pressing sleeve 5 is slidably mounted at the top end of the positioning shaft pin 4, and a fastening device for fixing the reversing valve 12 is detachably mounted at the top end of the positioning shaft pressing sleeve 5; the mounting inclined plate 3 is fixedly provided with a positioning pin 15 matched with the pin hole; firstly, the base 1 of the present invention is fixed on a horizontal table top, the bottom end of the positioning shaft pin 4 is inserted into the mounting hole on the mounting inclined plate 3, so that the positioning shaft pin 4 is perpendicular to the mounting inclined plate 3 and is fixedly connected, then the cylinder bottom cover 7 is sleeved on the positioning shaft pin 4, then the cylinder top cover 6 is sleeved on the cylinder bottom cover 7, the cylinder top cover 6 and the cylinder bottom cover 7 can slide relatively, an inflation gap is left between the cylinder top cover 6 and the cylinder bottom cover 7, the inflation gap is communicated with the air inlet hole 8, the cylinder bottom cover 7 and the positioning shaft pin 4 are fixed on the mounting inclined plate 3 together, the positioning shaft pressing sleeve 5 is sleeved on the top of the positioning shaft pin 4, so that the positioning shaft pressing sleeve 5 completes positioning, the positioning shaft pressing sleeve 5 only slides along the extending direction of the positioning shaft pin 4, the positioning of the positioning shaft pressing sleeve 5 along the direction of the positioning shaft pin 4 is realized, the fixing hole 14 and the positioning hole of the reversing valve 12 to be processed are sequentially inserted into the positioning shaft pin 4, so that the reversing valve 12 is positioned in the direction of the positioning shaft pin 4 under the action of the positioning shaft pressing sleeve 5, the bottom surface of the fixing hole 14 is abutted against the cylinder top cover 6, the positioning pin 15 is inserted into the corresponding pin hole, the positioning in the rotating direction of the reversing valve 12 is completed, the top surface of the reversing valve 12 is fixedly connected with the positioning shaft pressing sleeve 5 through a fastening device, the positioning of the reversing valve 12 is completed, when the reversing valve 12 is turned over and disassembled, air is filled between the cylinder bottom cover 7 and the cylinder top cover 6 through the air inlet hole 8, the cylinder top cover 6 jacks up the reversing valve 12 through the positioning shaft pressing sleeve 5 under the thrust of air pressure, make the locating pin 15 breaks away from the pinhole, switching-over valve 12 can round this moment the locating pin 4 rotates, when rotating another processing position, will locating pin 15 inserts correspondingly in the pinhole, make switching-over valve 12 unrotatable, switching-over valve 12 passes through again under the action of gravity the locating shaft presses cover 5 to tightly support and leans on the locating pin 4, through the utility model discloses a switching-over valve 12 is convenient for overturn, the function of dismantling, and the precision is high, convenient operation.
As shown in fig. 1, the fastening device includes a pressure plate 9, and the pressure plate 9 is detachably connected to the positioning shaft pressing sleeve 5 through a fastening bolt 10. When the reversing valve 12 is installed, a hole on the top surface of the reversing valve 12 is sleeved on the positioning shaft pin 4, and then the pressing plate 9 presses the reversing valve 12 and is fixed on the positioning shaft pressing sleeve 5 through the fastening bolt 10.
As shown in fig. 1, the bottom end of the positioning shaft pin 4 is provided with a fixing portion 13, the bottom surface of the fixing portion 13 abuts against the mounting swash plate 3, the bottom surface of the cylinder bottom cover 7 abuts against the fixing portion 13, and the cylinder bottom cover 7 is fixed to the mounting swash plate 3 together with the fixing portion 13. The fixing portion 13 is provided to facilitate fixing of the positioning shaft pin 4 to the mounting swash plate 3, and the cylinder head cover 7 is fixed to the mounting swash plate 3 together with the fixing portion 13 by a bolt, a screw, or the like.
As shown in fig. 1, a pair of clamping plates 2 is further arranged on the base 1 at two sides of the reversing to-be-processed part, the clamping plates 2 are used for clamping the to-be-processed part of the reversing valve 12, and the clamping plates 2 are detachably mounted on the base 1. When the reversing valve 12 is fixed behind the positioning shaft pin 4, a certain gap is reserved between the part to be machined of the reversing valve 12 and the base 1, the gap is used for preventing position interference with the base 1 when the reversing valve 12 is installed, when the part to be machined is machined by adopting a vertical machine tool, the clamping plates 2 are respectively fixed on two sides of the part to be machined to prevent the part to be machined from shaking, and the positioning of the reversing valve 12 is further strengthened. The clamping plate 2 can be detachably mounted on the base 1 by using conventional screws and the like.
As shown in fig. 1, a reinforcing rib 11 is provided between the inclined mounting plate 3 and the base 1. The reinforcing ribs 11 can reinforce the strength between the installation inclined plate 3 and the bottom plate, so that the reversing valve 12 is fixed more stably.
As shown in fig. 1, the angle between the inclined installation plate 3 and the base 1 is 45 °. The included angle between the inclined installation plate 3 and the base 1 is an acute angle, and the optimal angle is determined according to the size of the reversing valve 12 in principle, and is preferably 45 degrees.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Reversing valve processing frock is provided with the shoulder hole on the reversing valve, the shoulder hole periphery is provided with pinhole more than two, the shoulder hole includes the fixed orifices of lower part and the locating hole on upper portion, the diameter of fixed orifices is greater than the diameter of locating hole, its characterized in that: the cylinder positioning device comprises a base, wherein an inclined mounting plate is obliquely arranged on the upper surface of the base towards the upper side, a mounting hole perpendicular to the inclined mounting plate is formed in the inclined mounting plate, a positioning shaft pin extending towards the upper side of the inclined mounting plate is fixedly mounted in the mounting hole, the bottom end of the positioning shaft pin is fixed on the inclined mounting plate, a cylinder bottom cover and a cylinder top cover are sequentially sleeved on the positioning shaft pin from bottom to top, the cylinder bottom cover is sleeved on the positioning shaft pin, the cylinder top cover is sleeved on the cylinder bottom cover, the outer diameter of the cylinder top cover is smaller than the inner diameter of the fixing hole, the cylinder bottom cover is fixed on the inclined mounting plate, and an air inlet hole for ventilating between the cylinder bottom cover and the cylinder top cover is formed in the bottom of the positioning; the top end of the positioning shaft pin is slidably provided with a positioning shaft pressing sleeve, and the top end of the positioning shaft pressing sleeve is detachably provided with a fastening device for fixing the reversing valve; and the mounting inclined plate is fixedly provided with a positioning pin matched with the pin hole for use.
2. The reversing valve machining tool of claim 1, characterized in that: the fastening device comprises a pressing plate, and the pressing plate is detachably connected with the positioning shaft pressing sleeve through a fastening bolt.
3. The reversing valve machining tool of claim 1, characterized in that: the bottom end of the positioning shaft pin is provided with a fixing part, the bottom surface of the fixing part is abutted against the inclined mounting plate, the bottom surface of the cylinder bottom cover is abutted against the fixing part, and the cylinder bottom cover and the fixing part are fixed on the inclined mounting plate together.
4. The reversing valve machining tool of claim 1, characterized in that: the base is located the switching-over and still is provided with a pair of splint to the both sides of waiting to process the position, splint are used for the position of waiting to process of centre gripping switching-over valve, splint demountable installation be in on the base.
5. The reversing valve machining tool of claim 1, characterized in that: and a reinforcing rib is arranged between the installation inclined plate and the base.
6. The reversing valve machining tool according to any one of claims 1 to 5, characterized in that: the inclined installation plate and the included angle between the bases are 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283118.0U CN211681074U (en) | 2020-03-10 | 2020-03-10 | Reversing valve machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283118.0U CN211681074U (en) | 2020-03-10 | 2020-03-10 | Reversing valve machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211681074U true CN211681074U (en) | 2020-10-16 |
Family
ID=72780080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020283118.0U Active CN211681074U (en) | 2020-03-10 | 2020-03-10 | Reversing valve machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211681074U (en) |
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2020
- 2020-03-10 CN CN202020283118.0U patent/CN211681074U/en active Active
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