CN112025341A

CN112025341A - Stop valve flange facing positioning fixture

Info

Publication number: CN112025341A
Application number: CN202010921841.1A
Authority: CN
Inventors: 刘瑞; 刘奎新; 王璐
Original assignee: Huainan Walite Fluid Equipment Co ltd
Current assignee: Huainan Walite Fluid Equipment Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-12-04
Anticipated expiration: 2040-09-04
Also published as: CN112025341B

Abstract

The invention discloses a stop valve flange end face turning positioning fixture, wherein a first flange is arranged on the left side of a stop valve, a second flange is arranged on the right side of the stop valve, the first flange is fixedly connected with a first fixture mechanism, the second flange is fixedly connected with a second fixture mechanism, a first fixing cover is in threaded connection with the left end of a first fixture fixing shell, the middle part of the first fixing cover is in threaded connection with the middle part of a first push rod, the left end of the first push rod is in threaded connection with a first adjusting knob, the right end of the first push rod is rotatably connected with a first fixing platform, the right side of the first fixing platform is rotatably connected with one end of a first connecting rod through a second fixing pin, the other end of the first connecting rod is rotatably connected with a first push block through a first fixing pin, the outer surface of; adopt above-mentioned structure, fixed stop valve that can be fine facilitates the flange terminal surface of use lathe processing stop valve.

Description

Stop valve flange facing positioning fixture

Technical Field

The invention relates to the technical field of turning positioning fixtures, in particular to a stop valve flange end face turning positioning fixture.

Background

The valve is a control component in a fluid conveying system, has the functions of stopping, adjusting, guiding, stabilizing pressure, shunting and the like, is used in the valve of the fluid control system, is the simplest stop valve, and when the flange end face of the stop valve is turned, a clamp is firstly used for positioning the valve, so that the valve can only rotate around the central axis of the valve and cannot displace in other directions. At present, the clamp in the market has some positioning and clamping effects which cannot be good, so that the valve is displaced in the machining process, and the machining is unqualified when the valve is turned. And part of the positioning clamps can play a good positioning role, but the structure is complex, the manufacturing cost is high, and the enterprise cost is increased.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a stop valve flange end face turning positioning fixture, which solves the problems of inaccurate positioning and complex structure of the stop valve flange end face turning positioning fixture.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a stop valve flange facing (operation) positioning fixture, includes anchor clamps mechanism one, stop valve, anchor clamps mechanism two, the stop valve left side is equipped with flange one, the stop valve right side is equipped with flange two, flange one left side fixedly connected with anchor clamps mechanism one, flange two right sides fixedly connected with anchor clamps mechanism two.

The first clamp mechanism comprises a first clamp fixing shell, a first clamp fixing shell is in threaded connection with a first fixing cover, a first push rod is in threaded connection with the middle of the first fixing cover, a first push rod is in threaded connection with a first adjusting knob, a first push rod is in threaded connection with a first right end, a first connecting rod is connected to the right side of the first fixing platform in a rotating mode through a second fixing pin, a first connecting rod is connected to the other end of the first connecting rod in a rotating mode through a first fixing pin, a first anti-slip pad is connected to the outer surface of the first push rod in a fixedly connected mode, and the first fixing platform and the first connecting rod are located inside the.

The second fixture mechanism comprises a second fixture fixing shell, the second right end of the fixture fixing shell is in threaded connection with a second fixing cover, the second right end of the fixing cover is in threaded connection with a protective cover, the second middle of the fixing cover is in threaded connection with the second middle of a push rod, the second right end of the push rod is in threaded connection with a second adjusting knob, the second left end of the push rod is rotatably connected with a second fixing table, the second left side of the fixing table is rotatably connected with two ends of a connecting rod through a fourth fixing pin, the second other end of the connecting rod is rotatably connected with a second push block through a third fixing pin, the two outer surfaces of the push block are fixedly connected with a second anti-slip pad.

As a further scheme of the invention: the right side of the first fixed platform is equiangularly provided with a first U-shaped groove, the inner surface of the first pushing block is symmetrically provided with a first connecting block, one end of the first connecting rod is rotatably connected to the first connecting block through a first fixing pin, and the other end of the first connecting rod is rotatably connected to the first U-shaped groove through a second fixing pin.

As a further scheme of the invention: the left end of the fixture fixing shell is provided with a first installation thread groove, the middle of the fixture fixing shell is provided with a second boss, the right end of the fixture fixing shell is equiangularly provided with a first installation through frame, the push block is movably installed in the first installation through frame, one side of the second boss is tightly attached to one side of the flange, the diameter of the round platform at the right side of the fixture fixing shell is slightly smaller than the aperture of the flange, the right end of the fixing cover is provided with a first thread boss, and the first thread boss is in threaded connection with the first installation thread groove.

As a further scheme of the invention: the left sides of the two fixed tables are equiangularly provided with a second U-shaped groove, the inner surfaces of the two push blocks are symmetrically provided with a second connecting block, one end of the second connecting rod is rotatably connected to the second connecting block through a third fixing pin, and the other end of the second connecting rod is rotatably connected to the second U-shaped groove through a fourth fixing pin.

As a further scheme of the invention: the right-hand member of two anchor clamps set cases has seted up installation thread groove two, two middle parts of anchor clamps set cases are equipped with boss four, two left ends of two anchor clamps set cases equiangle have been seted up the installation and have been led to frame two, two movable mounting of ejector pad are led to in the installation, boss four one side is hugged closely together with two one side of flange, two left side round platform diameters of anchor clamps set cases are slightly less than flange two aperture, two left ends of fixed cover are equipped with screw thread boss three, screw thread boss three and two threaded connection of installation thread groove, the inside standing groove of having seted up in visor left side, adjustment knob two is located the standing groove, the circular cone groove has been seted up at visor right side center.

As a further scheme of the invention: the first connecting rod inclines outwards relative to a central axis of the first clamp fixing shell, and the second connecting rod inclines outwards relative to a central axis of the second clamp fixing shell.

As a further scheme of the invention: the stop valve flange end face turning positioning fixture comprises the following use steps:

step one, a first fixing table, a first push block and a first connecting rod are installed in a first clamp fixing shell, a first fixing cover is screwed on, and a first clamp mechanism is fixed in a hole of a first flange by rotating a first adjusting knob.

And step two, installing a second fixing table, a second connecting rod and a second pushing block in the second fixture fixing shell, screwing a second fixing cover, fixing the second fixture fixing shell in the hole of the second flange by rotating the second adjusting knob, and screwing the protective cover.

And step three, clamping the left end of the clamp mechanism I in a three-jaw mechanism of a lathe, and then stably positioning the clamp mechanism I in a conical groove on the right side of the clamp mechanism II through a lathe tailstock to perform lathe machining on the flange end face of the stop valve.

The invention has the beneficial effects that: through the internal connection mechanism of the first fixture fixing shell and the second fixture fixing shell, the first flange and the second flange of the stop valve can be clamped from the inner part of the hole, the first antiskid pad and the second antiskid pad are used for clamping more stably and cannot slip, positioning is more accurate, the fixture can also clamp the stop valve in different apertures, and the fixture can be detached, is simple in structure and is convenient to use.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an overall structure of the clamping mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of a clamping mechanism according to the present invention;

FIG. 4 is a schematic view of an internal structure of the clamping mechanism of the present invention;

FIG. 5 is a schematic view of a structure of a clamp holding case according to the present invention;

FIG. 6 is a schematic view of a structure of a fixing table according to the present invention;

FIG. 7 is a schematic view of the overall structure of a clamping mechanism according to the present invention;

FIG. 8 is a schematic cross-sectional view of a second clamping mechanism according to the present invention;

FIG. 9 is a schematic view of the internal structure of the second clamping mechanism of the present invention;

FIG. 10 is a schematic structural view of a second clamp fixing case according to the present invention;

FIG. 11 is a schematic view of a second embodiment of the fixing table of the present invention.

In the figure: 1. a first clamp mechanism; 2. a stop valve; 3. a second clamp mechanism; 11. a first clamp fixing shell; 12. a first anti-skid pad; 13. adjusting a first knob; 14. a first fixed cover; 15. a first fixed table; 16. a first push rod; 17. a first push block; 18. a first connecting rod; 19. a first fixing pin; 20. a second fixing pin; 21. a first flange; 22. a second flange; 31. a second clamp fixing shell; 32. a protective cover; 33. a second anti-skid pad; 34. a second fixed cover; 35. adjusting a knob II; 36. a second push rod; 37. a second fixed table; 38. a second connecting rod; 39. a fixing pin III; 40. a second push block; 41. fixing pins IV; 111. mounting a first through frame; 112. a second boss; 113. installing a first thread groove; 141. a first thread boss; 151. a first U-shaped groove; 171. a first connecting block; 311. fourthly, a boss; 312. mounting a through frame II; 313. mounting a thread groove II; 321. a placement groove; 322. a conical groove; 341. a third thread boss; 371. a U-shaped groove II; 401. and a second connecting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, a stop valve flange end face turning positioning fixture includes a first fixture mechanism 1, a stop valve 2, and a second fixture mechanism 3, where the left side of the stop valve 2 is provided with a first flange 21, the right side of the stop valve 2 is provided with a second flange 22, the left side of the first flange 21 is fixedly connected with the first fixture mechanism 1, and the right side of the second flange 22 is fixedly connected with the second fixture mechanism 3.

The fixture mechanism I1 comprises a fixture fixing shell I11, the left end of the fixture fixing shell I11 is in threaded connection with a fixing cover I14, the middle of the fixing cover I14 is in threaded connection with the middle of a push rod I16, the left end of the push rod I16 is in threaded connection with an adjusting knob I13, the right end of the push rod I16 is connected with a fixing table I15 in a rotating mode, the right side of the fixing table I15 is connected with one end of a connecting rod I18 in a rotating mode through a fixing pin II 20, the other end of the connecting rod I18 is connected with a push block I17 in a rotating mode through a fixing pin I19, the outer surface of the push block I17 is fixedly connected with an anti-slip pad I12, and the fixing.

The second fixture mechanism 3 comprises a second fixture fixing shell 31, the second fixture fixing shell 31 is in threaded connection with a second fixing cover 34, the second fixing cover 34 is in threaded connection with a protective cover 32, the second fixing cover 34 is in threaded connection with a second push rod 36, the second push rod 36 is in threaded connection with a second adjusting knob 35, the second push rod 36 is in threaded connection with a second fixing table 37, the left side of the second fixing table 37 is connected with one end of a second connecting rod 38 in a rotating mode through a fourth fixing pin 41, the other end of the second connecting rod 38 is connected with a second push block 40 in a rotating mode through a third fixing pin 39, the second push block 40 is in outer fixed surface connection with a second anti-slip pad 33, and the second fixing table 37 and the second connecting rod 38 are located inside the second fixture.

The right side of the first fixing table 15 is provided with a first U-shaped groove 151 at an equal angle, the inner surface of the first push block 17 is symmetrically provided with a first connecting block 171, one end of the first connecting rod 18 is rotatably connected to the first connecting block 171 through a first fixing pin 19, and the other end of the first connecting rod 18 is rotatably connected to the first U-shaped groove 151 through a second fixing pin 20.

The utility model discloses a clamp, including anchor clamps set casing 11, a flange 21, a push block 17, a first 11 right-hand member, a first 11 middle parts of anchor clamps set casing are equipped with boss two 112, an angle such as an anchor clamps set casing 11 right-hand member has been seted up the installation and has been led to frame one 111, a push block 17 movable mounting leads to in frame one 111 in the installation, boss two 112 one side is hugged closely together with flange one 21 one side, an 11 right side round platform diameter of anchor clamps set casing is slightly less than flange one 21 apertures, a fixed lid 14 right-hand members are equipped with a screw thread boss 141, screw thread boss 141 and a 113 threaded.

The left side of the second fixed table 37 is provided with a second U-shaped groove 371 at an equal angle, the inner surface of the second push block 40 is symmetrically provided with a second connecting block 401, one end of the second connecting rod 38 is rotatably connected to the second connecting block 401 through a third fixing pin 39, and the other end of the second connecting rod 38 is rotatably connected to the second U-shaped groove 371 through a fourth fixing pin 41.

The right end of the second clamp fixing shell 31 is provided with a second mounting thread groove 313, the middle of the second clamp fixing shell 31 is provided with a fourth boss 311, the left end of the second clamp fixing shell 31 is provided with a second mounting through frame 312 at an equal angle, the second push block 40 is movably mounted in the second mounting through frame 312, one side of the fourth boss 311 is tightly attached to one side of the second flange 22, the diameter of the circular truncated cone on the left side of the second clamp fixing shell 31 is slightly smaller than the aperture of the second flange 22, the left end of the second fixing cover 34 is provided with a third threaded boss 341, the third threaded boss 341 is in threaded connection with the second mounting thread groove 313, a placing groove 321 is formed in the inner portion on the left side of the protective cover 32, the second adjusting knob 35 is located in the placing groove 321, and.

The first connecting rod 18 is inclined outwards relative to the central axis of the first clamp fixing shell 11, and the second connecting rod 38 is inclined outwards relative to the central axis of the second clamp fixing shell 31.

The stop valve flange end face turning positioning fixture comprises the following use steps:

step one, a first fixing table 15, a first push block 17 and a first connecting rod 18 are installed in a first clamp fixing shell 11, a first fixing cover 14 is screwed on, and the first clamp mechanism 1 is fixed in a hole of a first flange 21 by rotating a first adjusting knob 13.

Step two, a second fixing table 37, a second connecting rod 38 and a second pushing block 40 are installed in the second clamp fixing shell 31, the second fixing cover 34 is screwed on, the second clamp fixing shell 31 is fixed in the hole of the second flange 22 by rotating the second adjusting knob 35, and then the protective cover 32 is screwed on.

And step three, clamping the left end of the first clamp mechanism 1 in a three-jaw mechanism of a lathe, and then stably positioning the left end of the first clamp mechanism 1 in a conical groove 322 on the right side of the second clamp mechanism 3 through a lathe tailstock to perform lathe machining on the flange end face of the stop valve 2.

The working principle of the invention is as follows: in the clamp mechanism I1, the first push rod 16 pushes the first fixing table 15 to move forward by adjusting the first adjusting knob 13, and the first fixing table 15 moves forward to increase the inclination angle of the first connecting rod 18 and push the first push block 17 to move outward, and then the first anti-slip pad 12 is contacted with the inner wall of the hole of the first flange 21, so that the clamp mechanism I1 is firmly fixed in the hole of the first flange 21; in the second fixture mechanism 3, the second adjusting knob 35 is adjusted, so that the second push rod 36 moves forwards, the second push rod 36 moves forwards to push the second fixed table 37 to move forwards, the second fixed table 37 moves forwards to increase the inclination angle of the second connecting rod 38, the second push block 40 moves outwards, the second anti-slip pad 33 is in contact with the inner wall of the hole of the second flange 22, the second fixture mechanism 3 is stably fixed in the hole of the second flange 22, and finally the second fixture mechanism is clamped on a lathe to turn the flange end face of the stop valve 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. A stop valve flange end face turning positioning fixture comprises a first fixture mechanism (1), a stop valve (2) and a second fixture mechanism (3), and is characterized in that the left side of the stop valve (2) is provided with a first flange (21), the right side of the stop valve (2) is provided with a second flange (22), the left side of the first flange (21) is fixedly connected with the first fixture mechanism (1), and the right side of the second flange (22) is fixedly connected with the second fixture mechanism (3);

the clamp mechanism I (1) comprises a clamp fixing shell I (11), the left end of the clamp fixing shell I (11) is in threaded connection with a fixing cover I (14), the middle of the fixing cover I (14) is in threaded connection with the middle of a push rod I (16), the left end of the push rod I (16) is in threaded connection with an adjusting knob I (13), the right end of the push rod I (16) is rotatably connected with a fixing table I (15), the right side of the fixing table I (15) is rotatably connected with one end of a connecting rod I (18) through a fixing pin II (20), the other end of the connecting rod I (18) is rotatably connected with a push block I (17) through a fixing pin I (19), the outer surface of the push block I (17) is fixedly connected with an anti-skid pad I (12), and the fixing table I (15) and the connecting rod I (18) are located;

the second clamp mechanism (3) comprises a second clamp fixing shell (31), the right end of the second clamp fixing shell (31) is in threaded connection with a second fixing cover (34), the right end of the second fixed cover (34) is in threaded connection with a protective cover (32), the middle part of the second fixed cover (34) is in threaded connection with the middle part of a second push rod (36), the right end of the second push rod (36) is in threaded connection with a second adjusting knob (35), the left end of the second push rod (36) is rotatably connected with a second fixed table (37), the left side of the second fixed table (37) is rotatably connected with one end of a second connecting rod (38) through a fourth fixed pin (41), the other end of the second connecting rod (38) is rotationally connected with a second pushing block (40) through a third fixing pin (39), the outer surface of the second pushing block (40) is fixedly connected with a second anti-skid pad (33), and the second fixing table (37) and the second connecting rod (38) are located inside the second clamp fixing shell (31).

2. The stop valve flange end face turning positioning fixture according to claim 1, characterized in that a first U-shaped groove (151) is formed in the right side of the first fixed platform (15) at an equal angle, a first connecting block (171) is symmetrically arranged on the inner surface of the first push block (17), one end of the first connecting rod (18) is rotatably connected to the first connecting block (171) through a first fixing pin (19), and the other end of the first connecting rod (18) is rotatably connected to the first U-shaped groove (151) through a second fixing pin (20).

3. The stop valve flange end face turning positioning fixture according to claim 1, characterized in that a first mounting thread groove (113) is formed in the left end of a first fixture fixing shell (11), a second boss (112) is formed in the middle of the first fixture fixing shell (11), a first mounting through frame (111) is formed in the right end of the first fixture fixing shell (11) at an equal angle, a first push block (17) is movably mounted in the first mounting through frame (111), one side of the second boss (112) is tightly attached to one side of the first flange (21), the diameter of a circular truncated cone on the right side of the first fixture fixing shell (11) is slightly smaller than the aperture of the first flange (21), a first threaded boss (141) is formed in the right end of a first fixing cover (14), and the first threaded boss (141) is in threaded connection with the first mounting thread groove (113).

4. The stop valve flange facing positioning fixture according to claim 1, wherein a U-shaped groove II (371) is formed in the left side of the second fixed table (37) at an equal angle, a second connecting block (401) is symmetrically arranged on the inner surface of the second push block (40), one end of the second connecting rod (38) is rotatably connected to the second connecting block (401) through a third fixing pin (39), and the other end of the second connecting rod (38) is rotatably connected to the second U-shaped groove (371) through a fourth fixing pin (41).

5. The stop valve flange end face turning positioning fixture as claimed in claim 1, wherein a second mounting thread groove (313) is formed at the right end of the second fixture fixing shell (31), a fourth boss (311) is formed in the middle of the second fixture fixing shell (31), a second mounting through frame (312) is formed at the left end of the second fixture fixing shell (31) at an equal angle, the second push block (40) is movably mounted in the second mounting through frame (312), one side of the fourth boss (311) is tightly attached to one side of the second flange (22), the diameter of a round platform at the left side of the second fixture fixing shell (31) is slightly smaller than the aperture of the second flange (22), a third threaded boss (341) is formed at the left end of the second fixing cover (34), the third threaded boss (341) is in threaded connection with the second mounting thread groove (313), a placing groove (321) is formed inside the left side of the protection cover (32), and the second adjusting knob (35) is located in the placing groove (321), the right center of the protective cover (32) is provided with a conical groove (322).

6. The stop valve flange facing fixture of claim 1, wherein the first connecting rod (18) is inclined outwardly with respect to a central axis of the first fixture housing (11), and the second connecting rod (38) is inclined outwardly with respect to a central axis of the second fixture housing (31).

7. The stop valve flange facing positioning fixture of claim 1, wherein the stop valve flange facing positioning fixture comprises the steps of:

step one, a first fixing table (15), a first push block (17) and a first connecting rod (18) are installed in a first clamp fixing shell (11), a first fixing cover (14) is screwed on, and a first clamp mechanism (1) is fixed in a hole of a first flange (21) by rotating a first adjusting knob (13);

step two, a second fixing table (37), a second connecting rod (38) and a second pushing block (40) are installed in the second clamp fixing shell (31), a second fixing cover (34) is screwed on, the second clamp fixing shell (31) is fixed in the hole of the second flange (22) by rotating a second adjusting knob (35), and then the protective cover (32) is screwed on;

and step three, clamping the left end of the clamp mechanism I (1) in a three-jaw mechanism of a lathe, and then stably positioning the clamp mechanism I in a conical groove (322) on the right side of the clamp mechanism II (3) through a lathe tailstock to perform lathe machining on the flange end face of the stop valve (2).