CN214640448U

CN214640448U - Flange side opening positioning fixture

Info

Publication number: CN214640448U
Application number: CN202023240273.3U
Authority: CN
Inventors: 罗杰
Original assignee: Wuxi Hengyijie Petrochemical Machinery Co ltd
Current assignee: Wuxi Hengyijie Petrochemical Machinery Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-09
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a flange side opening positioning fixture, the on-line screen storage device comprises a base, the inside rotation of base is connected with the pivot, and pivot bottom outer wall fixedly connected with worm wheel, the meshing of worm wheel outer wall has the worm, and outer wall fixedly connected with rotates the platform in the middle of the pivot, it has the recess that the equidistance distributes to rotate bench top portion, and sliding connection has the slide bar in the recess, the dead lever has all been welded to base top both sides, and the dead lever top all runs through sliding connection and has the guide bar, and the guide bar is close to the equal fixedly connected with guide block of one end of pivot, and the welding of pivot top has the mount table. The utility model discloses a it is rotatory to be provided with worm drive worm wheel, and then can make the rotation platform rotate, thereby the distance that can make between the slide bar that the equidistance distributes among the rotation process changes the distance through guide bar control guide block, and the through-hole in the guide block can be followed to the drill bit and passed, only needs the removal drill bit among the drilling process to reduce the error, improved the product precision.

Description

Flange side opening positioning fixture

Technical Field

The utility model relates to a flange processing technology field especially relates to flange side opening positioning fixture.

Background

A flange, also known as a flange collar or flange. Flanges are parts for interconnecting pipes and are used for connecting pipe ends, and flanges are used for connecting equipment inlets and outlets, such as speed reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. The flange is divided into a threaded connection (screw thread connection) flange, a welding flange and a clamping flange. The flanges are used in pairs, the low-pressure pipeline can be screwed with the flanges, and the flanges are welded under the pressure of more than four kilograms. And a sealing gasket is arranged between the two flanges and then is fastened by bolts. The flanges of different pressures have different thicknesses and they use different bolts. When the water pump and the valve are connected with a pipeline, the parts of the equipment and equipment are also made into corresponding flange shapes, which are also called flange connection.

The flange is connected with the flange through the fixing bolt, therefore, after the production of the flange is completed, the flange is drilled, whether normal connection between the two flanges can be achieved can be directly influenced by the drilling precision, therefore, equal-distance distribution is required to be guaranteed between every two holes when the flange is drilled, the current flange is positioned by the previously drilled holes in the drilling process, all holes are drilled by the analogy, certain errors can exist in each drilling, the sizes of the errors are gradually accumulated when the last hole is drilled, the size is easily inaccurate, meanwhile, the current flange is not convenient for quick fixation in the drilling process, the flange is not convenient for placing and taking by workers, and the problem of low working efficiency is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flange side hole positioning clamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

flange side opening positioning fixture, including the base, the inside rotation of base is connected with the pivot, and pivot bottom outer wall fixedly connected with worm wheel, the meshing of worm wheel outer wall has the worm, and outer wall fixedly connected with the revolving stage in the middle of the pivot, open the recess that has equidistance distribution at the revolving stage top, and sliding connection has the slide bar in the recess, the dead lever has all been welded at base top both sides, and the dead lever top all runs through the sliding connection has the guide bar, the guide bar is close to the one end of pivot all fixedly connected with the guide block, the welding of pivot top has the mount table, and the welding of mount table top has the fixed block, the both sides of fixed block top run through the rotation and are connected with the thread bush, and the screw rod has been rotated respectively to the inside of thread bush both sides, the both sides of fixed block bottom run through the rotation and are connected with the sliding sleeve, and the sliding connection has the slider respectively at both ends of sliding sleeve inner wall, two the one end that the slider kept away from each other all welds there is the spring, and the other end welding of spring has the carriage release lever.

Preferably, the two ends of the worm are respectively in running fit with the inner walls of the two sides of the base, one end of the worm penetrates through the outer wall of the base and is fixedly connected with the knob, an opening is formed in the middle position of the top of the base, and the diameter of the opening is larger than the outer diameter of the rotating table.

Preferably, the recess is the vortex structure, and the high looks adaptation of the height at slide bar top and dead lever, the slide bar top is rotated with the bottom of guide bar and is connected, and passes through the bolt fastening between guide block and the guide bar, the guide block top is run through to open there is the through-hole, and the size of through-hole and the size looks adaptation of drill bit.

Preferably, the thread bush forms a thread fit with the two screws respectively, and the thread directions of the two sides of the thread bush are opposite.

Preferably, the outer wall of one side of the sliding sleeve is provided with a pressure relief hole in a penetrating mode, the pressure relief hole is provided with a sealing ring, the sealing ring is in interference fit with the pressure relief hole, the sealing ring is arranged at the joint between the sliding block and the inner wall of the sliding sleeve, and the moving rod is in sliding fit with the sliding sleeve.

Preferably, one end of the moving rod is rotatably connected with a clamping rod, and the middle position of the clamping rod is rotatably connected with the screw rod.

The utility model has the advantages that:

1. the worm is arranged to drive the worm wheel to rotate, so that the rotating table can rotate, the distances between the sliding rods which are distributed at equal intervals can be changed in the rotating process, the distance of the guide block is controlled through the guide rod, the drill bit can penetrate through the through hole in the guide block, and only the drill bit needs to be moved in the drilling process, so that the error is reduced, and the product precision is improved;

2. be connected with two screw rods through being provided with the thread bush to can adjust the distance between two kellies, the slip cap is connected with the spring through the slider, and then the spring can extrude the bottom of two kellies through the carriage release lever, and then can realize the quick fixed to the flange, is convenient for put and gets, has improved work efficiency.

Drawings

Fig. 1 is a schematic view of a main structure of a flange side hole positioning fixture provided by the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a rotating table of the flange side hole positioning fixture according to the present invention;

fig. 3 is the utility model provides a flange side opening positioning fixture's fixed block enlarges the schematic diagram.

In the figure: the device comprises a base 1, a rotating shaft 2, a worm wheel 3, a worm 4, a rotating table 5, a groove 6, a sliding rod 7, a fixing rod 8, a guide rod 9, a guide block 10, an installation table 11, a fixing block 12, a thread sleeve 13, a screw rod 14, a sliding sleeve 15, a sliding block 16, a spring 17, a moving rod 18 and a clamping rod 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, flange side opening positioning fixture, including base 1, base 1 is inside to rotate and is connected with pivot 2, and pivot 2 bottom outer wall fixedly connected with worm wheel 3, worm wheel 3 outer wall meshing has worm 4, and pivot 2 middle outer wall fixedly connected with swivel stand 5, open at swivel stand 5 top has equidistance distribution's recess 6, and sliding connection has slide bar 7 in the recess 6, base 1 top both sides all weld has dead lever 8, and dead lever 8 top all runs through sliding connection has guide bar 9, guide bar 9 is close to pivot 2 one end all fixedly connected with guide block 10, worm 4 both ends form the normal running fit with base 1's both sides inner wall respectively, and the one end of worm 4 runs through base 1 outer wall fixedly connected with knob, base 1 top intermediate position department has opened the opening, and the open-ended diameter is greater than the external diameter of swivel stand 5, the groove 6 is of a volute structure, the height of the top of the sliding rod 7 is matched with that of the fixed rod 8, the top of the sliding rod 7 is rotatably connected with the bottom of the guide rod 9, the guide block 10 and the guide rod 9 are fixed through bolts, a through hole penetrates through the top of the guide block 10, the size of the through hole is matched with that of a drill bit, the worm 4 is arranged to drive the worm wheel 3 to rotate, the rotating table 5 can further rotate, the distance between the sliding rods 7 which are distributed equidistantly can be changed in the rotating process, so that the distance of the guide block 10 is controlled through the guide rod 9, the drill bit can penetrate through the through hole in the guide block 10, and only the drill bit needs to be moved in the drilling process, so that errors are reduced, and the product precision is improved;

the top of the rotating shaft 2 is welded with an installation platform 11, the top of the installation platform 11 is welded with a fixed block 12, two sides of the top of the fixed block 12 are connected with a threaded sleeve 13 in a penetrating and rotating manner, screw rods 14 are respectively rotated inside two sides of the threaded sleeve 13, two sides of the bottom of the fixed block 12 are connected with a sliding sleeve 15 in a penetrating and rotating manner, two ends of the inner wall of the sliding sleeve 15 are respectively connected with a sliding block 16 in a sliding manner, one end, away from each other, of each sliding block 16 is welded with a spring 17, the other end of each spring 17 is welded with a moving rod 18, the threaded sleeve 13 is respectively in threaded fit with the two screw rods 14, the directions of threads on two sides of the threaded sleeve 13 are opposite, the outer wall of one side of the sliding sleeve 15 is penetrated with a pressure relief hole, a sealing ring is arranged on the pressure relief hole, the sealing ring is in interference fit with the pressure relief hole, and a sealing ring is arranged at the joint between the sliding block 16 and the inner wall of the sliding sleeve 15, and the movable rod 18 forms sliding fit with the sliding sleeve 15, the one end and the rotation of movable rod 18 are connected with kelly 19, and the intermediate position of kelly 19 is in screw rod 14 and rotates and is connected, be connected with two screw rods 14 through being provided with thread bush 13 to can adjust the distance between two kellies 19, sliding sleeve 15 is connected with spring 17 through slider 16, and then spring 17 can extrude the bottom of two kellies 19 through movable rod 18, and then can realize the quick fixed to the flange, be convenient for put and get, improved work efficiency.

The working principle is as follows: firstly, the distance between two screw rods 14 is adjusted by rotating the threaded sleeve 13 according to the size of the flange, in the moving process of the screw rods 14, a sealing plug on the sliding sleeve 15 is opened, so that outside air can enter the sliding sleeve 15, the distance between two sliding blocks 16 can also be changed, after the distance adjustment is completed, a pressure relief hole on the sliding sleeve 15 is plugged by the sealing plug, at the moment, the tops of two clamping rods 19 are close to each other under the action of a spring 17 by the two clamping rods 19, then the flange penetrates through the clamping rods 19 to enable the bottom of the flange to be in contact with the top of the mounting table 11, the spring 17 can enable the flange to be quickly fixed, the worm 4 is rotated by hand to enable the worm wheel 3 to rotate, then the rotating table 5 is rotated by the rotating shaft 2, the sliding rods 7 slide along the grooves 6, so that the distance between the sliding rods 7 can be adjusted, and then the drill bits sequentially penetrate through the through holes on each guide block 10 to drill the flange, thereby improving the precision of the product.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Flange side opening positioning fixture, including base (1), its characterized in that, base (1) inside rotation is connected with pivot (2), and pivot (2) bottom outer wall fixedly connected with worm wheel (3), worm wheel (3) outer wall meshing has worm (4), and pivot (2) middle outer wall fixedly connected with rotates platform (5), it has recess (6) that the equidistance distributes to rotate platform (5) top to open, and sliding connection has slide bar (7) in recess (6), dead lever (8) have all been welded to base (1) top both sides, and sliding connection has guide bar (9) all to run through at dead lever (8) top, equal fixedly connected with guide block (10) in one end that guide bar (9) are close to pivot (2), pivot (2) top welding has mount table (11), and mount table (11) top welding has fixed block (12), fixed block (12) top both sides are run through to rotate and are connected with thread bush (13), and thread bush (13) both sides are inside to be rotated respectively and have screw rod (14), fixed block (12) bottom both sides are run through to rotate and are connected with slip cap (15), and slip cap (15) inner wall both ends sliding connection respectively have slider (16), two the one end that slider (16) kept away from each other all welds spring (17), and the other end welding of spring (17) has carriage release lever (18).

2. The flange side hole positioning fixture according to claim 1, wherein two ends of the worm (4) are respectively in running fit with inner walls of two sides of the base (1), one end of the worm (4) penetrates through an outer wall of the base (1) and is fixedly connected with a knob, an opening is formed in the middle of the top of the base (1), and the diameter of the opening is larger than the outer diameter of the rotating table (5).

3. The flange side hole positioning fixture according to claim 1, wherein the groove (6) is of a volute structure, the height of the top of the sliding rod (7) is matched with that of the fixing rod (8), the top of the sliding rod (7) is rotatably connected with the bottom of the guide rod (9), the guide block (10) and the guide rod (9) are fixed through bolts, a through hole penetrates through the top of the guide block (10), and the size of the through hole is matched with that of the drill bit.

4. The flange side hole positioning fixture according to claim 1, wherein the threaded sleeves (13) are respectively in threaded fit with the two threaded rods (14), and the thread directions of the two sides of the threaded sleeves (13) are opposite.

5. The flange side hole positioning fixture according to claim 1, wherein a pressure relief hole is formed through an outer wall of one side of the sliding sleeve (15), a sealing ring is installed in the pressure relief hole, the sealing ring forms an interference fit with the pressure relief hole, the sealing ring is installed at a connection position between the sliding block (16) and an inner wall of the sliding sleeve (15), and the moving rod (18) and the sliding sleeve (15) form a sliding fit.

6. The flange side hole positioning fixture according to claim 1, characterized in that one end of the moving rod (18) is rotatably connected with a clamping rod (19), and the middle position of the clamping rod (19) is rotatably connected with the screw rod (14).