CN210616204U

CN210616204U - Valve positioning fixture

Info

Publication number: CN210616204U
Application number: CN201921743475.4U
Authority: CN
Inventors: 杨成武
Original assignee: Jingmen Zhongjin Aluminium Industry Casting Co ltd
Current assignee: Jingmen Zhongjin Aluminium Industry Casting Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-05-26
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a valve positioning clamp, which comprises a bottom plate and two supporting clamps, wherein the two opposite sides of the upper surface of the bottom plate are provided with the supporting clamps, the supporting clamps comprise a fixed plate and a threaded rod, the bottom end of the fixed plate is fixedly connected with one side of the upper surface of the bottom plate, the side surface of the fixed plate is provided with a horizontal through hole, the inner wall of the through hole is rotatably connected with an inward-concave cylinder through a bearing, the inward-concave cylinder is rotatably connected with the middle section of the threaded rod through the bearing, one end of the inward-concave cylinder is fixedly connected with one end of a circular tube, the side surface of the fixed plate, which is far away from the circular tube, is provided with an inward-concave cylinder limiting device, the threaded rod is far away from one section of the inward-concave cylinder limiting device and is connected with the, the production efficiency is improved, the production cost is reduced, and the enterprise operation benefit is improved.

Description

Valve positioning fixture

Technical Field

The utility model relates to a valve processing equipment technical field specifically is a valve positioning fixture.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be divided into a shut-off valve, a check valve, a regulating valve and the like according to functions of the valve, the valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing pressure relief and the like, when the valve is machined, the outer periphery side of a flange end of the valve is generally required to be polished and polished, the existing positioning clamp generally adopts single-side clamping, then polishing and polishing are carried out on one side which is not clamped, then the direction clamping is changed, and polishing are carried out on the other side, so that the operation flow is complicated, the production efficiency is low, the production cost is improved, and the enterprise operation benefit is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a valve positioning fixture, fix a position the centre gripping from the valve inside, do not hinder the burnishing and polishing of both sides, can simplify the operation flow, improve production efficiency, reduction in production cost improves the business operation benefit of enterprise, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a valve positioning clamp comprises a bottom plate and two supporting clamps, wherein the two opposite sides of the upper surface of the bottom plate are respectively provided with the supporting clamps, each supporting clamp comprises a fixed plate and a threaded rod, the bottom end of the fixed plate is fixedly connected with one side of the upper surface of the bottom plate, a horizontal through hole is formed in the side surface of the fixed plate, the inner wall of the through hole is rotatably connected with an inwards concave cylinder through a bearing, the inwards concave cylinder is rotatably connected with the middle section of the threaded rod through the bearing, one end of the inwards concave cylinder is fixedly connected with one end of a circular tube, the side surface, away from the circular tube, of the fixed plate is provided with an inwards concave cylinder limiting device, one section, away from the inwards concave cylinder limiting device, of the threaded rod is connected with the inner side of a moving ring in a threaded manner, the outer peripheral side of the moving, the two moving rings supporting the clamp are oppositely arranged.

As a preferred technical scheme of the utility model, indent drum stop device includes rectangular plate, locating plate, constant head tank and drum, and the one end of drum is kept away from the one end coaxial fixation of shift ring with the indent drum, and the constant head tank has been seted up to angles such as the periphery side of drum, and the fixed plate side just is located the rigidity of drum top has the rectangular plate, and the rectangular hole has been seted up to the rectangular plate upper surface, is provided with the locating plate in the rectangular hole, the bottom of locating plate and the constant head tank joint of top.

As a preferred technical scheme of the utility model, the lower fixed surface of locating plate upper end and roof is connected, and the roof is the magnet board, and the long board is iron plate or magnet board.

As a preferred technical scheme of the utility model, the one end that the shift ring was kept away from to the threaded rod is fixed with the hand wheel, and the one end that the threaded rod is close to the shift ring is fixed with the rubber round stopper.

As a preferred technical scheme of the utility model, still the overcoat has longitudinal positioning device on the threaded rod, and longitudinal positioning device includes that ring, lateral surface offer the screw thread section of thick bamboo and the inner wall of external screw thread and set up female screw thread sleeve, and the screw thread cover is established on the pipe, and one end and the fixed plate of a screw thread section of thick bamboo are close to one side fixed connection of shifting ring, and the lateral surface and the telescopic inner wall threaded connection of a screw thread section of thick bamboo, the sleeve is kept away from the one end of fixed plate and is passed through the bearing rotation with the ring and be connected.

As an optimized technical scheme of the utility model, the fixed surface has the block rubber on the rectangular plate.

As a preferred technical scheme of the utility model, bottom plate upper surface intermediate position still is provided with clamping device, and clamping device includes two-way lead screw and two expansion plates, and the shifting chute has been seted up to the bottom plate upper surface, the bottom sliding connection of shifting chute and two expansion plates, and the top of two expansion plates is kept away from relatively, and opposite direction's screw hole has been seted up to the lower part of two expansion plates, two screw holes all with two sections threaded connection of two-way lead screw.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the valve positioning fixture of example fixes a position the centre gripping from the valve inside, does not hinder the burnishing and polishing of both sides, can simplify the operation flow, improves production efficiency, and reduction in production cost improves enterprise's operational benefits

2. The utility model discloses the valve positioning fixture of example, when the locating plate breaks away from the constant head tank, can realize the rotation of holder to it is more convenient to make the operation, can effectively improve production efficiency.

3. The utility model discloses valve positioning fixture, longitudinal positioning device can vertically fix a position the centre gripping work piece, thereby avoid taking place longitudinal displacement at the course of working and make the work piece damage.

4. The utility model discloses the valve positioning fixture of example, two expansion plates can restrict the work piece rotation when the connecting plate is with the work piece centre gripping for it is more convenient to operate, can also support the vertical of work piece simultaneously.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

fig. 3 is an enlarged view of a structure of fig. 2.

In the figure: the device comprises a base plate 1, a fixing plate 2, a threaded cylinder 3, a sleeve 4, a telescopic plate 5, a bidirectional screw rod 6, a circular ring 7, a threaded rod 8, a circular tube 9, a connecting plate 10, a rubber block 11, a rubber circular plug 12, a concave cylinder 13, a positioning groove 14, a hand wheel 15, a long plate 16, a top plate 17, a positioning plate 18, a cylinder 19, a rectangular plate 20, a movable ring 21 and a movable groove 22.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-3, the utility model provides a valve positioning clamp, which comprises a bottom plate 1 and two supporting clamps, wherein the two opposite sides of the upper surface of the bottom plate 1 are provided with the supporting clamps, the supporting clamps comprise a fixed plate 2 and a threaded rod 8, the bottom end of the fixed plate 2 is fixedly connected with one side of the upper surface of the bottom plate 1, the side of the fixed plate 2 is provided with a horizontal through hole, the inner wall of the through hole is rotatably connected with an inner concave cylinder 13 through a bearing, the inner concave cylinder 13 is rotatably connected with the middle section of the threaded rod 8 through a bearing, one end of the inner concave cylinder 13 is fixedly connected with one end of a circular tube 9, the side of the fixed plate 2 far away from the circular tube 9 is provided with an inner concave cylinder limiting device, one section of the threaded rod 8 far away from the inner concave cylinder limiting device is connected with the inner side thread, one end of the connecting plate 10 passes through the through hole and is hinged with a rectangular plate 20, two moving rings 21 for supporting the clamp are oppositely arranged, and a rubber block 11 is fixed on the upper surface of the rectangular plate 20.

Overlap respectively external valve's both ends mouth on two pipes 9, then rotatory hand wheel 15 drives threaded rod 8 and rotates, threaded rod 8 rotates and makes shift ring 21 remove on threaded rod 8, connecting plate 10 makes its angle continuous grow along with shift ring 21's removal, rectangular plate 20 of final connecting plate 10 upper end passes through rubber block 11 and the inboard contact of valve and fixes a position it, this valve positioning fixture fixes a position the centre gripping from the valve is inside, do not hinder the burnishing and polishing of both sides, can simplify the operation flow, and the production efficiency is improved, and the production cost is reduced, and the enterprise business benefits is improved.

The rubber block 11 can increase the friction between the rectangular plate 20 and the inner wall of the valve, so as to avoid moving, and meanwhile, the rubber block and the rectangular plate can be attached more tightly.

The inner concave cylinder limiting device comprises a long plate 16, a positioning plate 18, a positioning groove 14 and a cylinder 19, one end of the cylinder 19 is coaxially fixed with one end of the inner concave cylinder 13 far away from a moving ring 21, the positioning groove 14 is formed in the outer peripheral side of the cylinder 19 at an equal angle, the long plate 16 is fixed on the side surface of the fixed plate 2 and above the cylinder 19, a rectangular hole is formed in the upper surface of the long plate 16, the positioning plate 18 is arranged in the rectangular hole, the bottom end of the positioning plate 18 is clamped with the uppermost positioning groove 14, the upper end of the positioning plate 18 is fixedly connected with the lower surface of the top plate 17, the top plate 17 is a magnet plate, the long plate 16 is an iron plate or a magnet plate, when a workpiece needs to be rotated, the top plate 17 is pulled up, the positioning plate 18 is driven to be separated from the positioning groove 14 by the top plate 18, then the hand wheel 15 is, threaded rod 8 drives pipe 9 and rotates, and pipe 9 drives indent drum 13 and rotates, and indent drum 13 drives drum 19 and rotates to make the work piece rotate the direction, rotate and loosen roof 17 after finishing, locating plate 18 card is restricted to drum 19 rotation at constant head tank 14, and this valve positioning fixture can realize the rotation of holder when constant head tank 14 is broken away from to locating plate 18, thereby makes the operation more convenient, can effectively improve production efficiency.

One end of the threaded rod 8 far away from the moving ring 21 is fixed with a hand wheel 15, one end of the threaded rod 8 close to the moving ring 21 is fixed with a rubber round plug 12, the hand wheel 15 is arranged to enable the rotating threaded rod 8 to be more convenient and labor-saving, and the rubber round plug 12 can prevent impurities from falling onto the threaded rod 8 to enable the moving ring 21 to be incapable of moving.

Still the overcoat has longitudinal positioning device on threaded rod 8, longitudinal positioning device includes ring 7, the threaded cylinder 3 and the inner wall that the external screw thread was seted up to the lateral surface are seted up has internal screw thread sleeve 4, threaded cylinder 3 cover is established on pipe 9, one side fixed connection that the one end of threaded cylinder 3 and fixed plate 2 are close to shift ring 21, the lateral surface of threaded cylinder 3 and sleeve 4's inner wall threaded connection, sleeve 4 keeps away from the one end of fixed plate 2 and passes through the bearing rotation with ring 7 and be connected, rotatory sleeve 4 makes ring 7 and valve flange part contact, thereby the longitudinal movement of restriction valve, this valve positioning fixture longitudinal positioning device can vertically fix a position the centre gripping work piece, thereby avoid sending out to take place longitudinal displacement at the course of working and make the work piece damage.

When in use: the two ports of an external valve are respectively sleeved on the two circular tubes 9, sundries in the valve are pushed to the inside of the valve deeply by the rubber circular plug 12, the sundries can be prevented from falling on the threaded rod 8 to cause the movable ring 21 to be incapable of moving, the threaded rod 8 is driven to rotate by the two rotating hand wheels 15, the movable ring 21 is driven to move on the threaded rod 8 by the rotation of the threaded rod 8, the angle of the connecting plate 10 is continuously increased along with the movement of the movable ring 21, the rectangular plate 20 at the upper end of the connecting plate 10 finally is in contact with the inner side of the valve through the rubber block 11 and is positioned, and then the circular ring 7 is in contact with the flange part of the valve by the rotating sleeve.

The top plate 17 is pulled up, the top plate 17 drives the positioning plate 18 to be separated from the positioning groove 14, then the rotary hand wheel 15 rotates towards the screwing direction, the hand wheel 15 drives the threaded rod 8 to rotate, the angle of the connecting plate 10 is enlarged to the limit, the connecting plate 10 rotates along with the threaded rod 8, the threaded rod 8 drives the circular tube 9 to rotate, the circular tube 9 drives the concave cylinder 13 to rotate, the concave cylinder 13 drives the cylinder 19 to rotate, the workpiece rotating direction is enabled, the top plate 17 is loosened after the rotation is finished, and the positioning plate 18 is clamped in the positioning groove 14 to rotate the cylinder 19.

The utility model discloses fix a position the centre gripping from the valve is inside, do not hinder the burnishing and polishing of both sides, can the simplified operation flow, improve production efficiency, reduction in production cost improves enterprise's operational benefits.

When the positioning plate 18 is separated from the positioning groove 14, the rotation of the clamping piece can be realized, so that the operation is more convenient, and the production efficiency can be effectively improved.

The longitudinal positioning device can be used for positioning the longitudinal direction of the clamped workpiece, so that the workpiece is prevented from being damaged due to the fact that longitudinal displacement is generated in the machining process.

Example two: as shown in fig. 1 and fig. 2, the present embodiment discloses a valve positioning fixture, the structure of which is substantially the same as that of the first embodiment, the difference is that a clamping device is further disposed at the middle position of the upper surface of the bottom plate 1 of the present embodiment, the clamping device includes a bidirectional screw rod 6 and two expansion plates 5, a moving groove 22 is disposed on the upper surface of the bottom plate 1, the moving groove 22 is slidably connected to the bottom ends of the two expansion plates 5, the top ends of the two expansion plates 5 are relatively far away, threaded holes in opposite directions are disposed on the lower portions of the two expansion plates 5, and the two threaded holes are both in threaded connection with two sections of the bidirectional screw.

After stretching expansion plate 5 to suitable length, two-way lead screw 6 is rotatory to make two expansion plates 5 remove in shifting chute 22, finally makes the inboard and the valve contact of two expansion plates 5, and two expansion plates 5 of this valve positioning fixture can restrict the work piece rotation when connecting plate 10 is with the work piece centre gripping for it is more convenient to operate, can also support the vertical of work piece simultaneously.

When the workpiece needs to be rotated, the bidirectional screw 6 is first rotated to disengage the telescopic plate 5 from the valve, and then the telescopic plate 5 is lowered.

The two expansion plates 5 can limit the rotation of the workpiece when the connecting plate 10 clamps the workpiece, so that the operation is more convenient, and the vertical direction of the workpiece can be supported.

A bidirectional screw rod 6: two sections of threads with different screwing directions are manufactured on a screw rod, namely a section of right-handed thread and a section of left-handed thread; the right and left nuts screwed on the right and left nut are respectively connected with the moving machine member. When the screw rotates, the two moving parts approach or separate rapidly with the nut.

The telescopic plate 5 is composed of an outer sleeve plate and an inner plate, the inner plate is connected in the outer sleeve plate in a sliding mode, a screwing bolt is installed on the outer sleeve plate, and the telescopic plate 5 is a structure which is common in the prior art and is common to workpiece support; when the valve is used, the inner plate is pulled to contact the valve, the bolt is rotated to fix the overlapping length of the inner plate and the outer sleeve plate, and the telescopic plate limits the rotation of the valve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a valve positioning fixture, includes bottom plate (1) and two support fixture, its characterized in that: the supporting clamp is arranged on two opposite sides of the upper surface of the bottom plate (1) and comprises a fixed plate (2) and a threaded rod (8), the bottom end of the fixed plate (2) is fixedly connected with one side of the upper surface of the bottom plate (1), a horizontal through hole is formed in the side surface of the fixed plate (2), an inner concave cylinder (13) is connected with the inner wall of the through hole in a rotating mode through a bearing, the inner concave cylinder (13) is rotatably connected with the middle section of the threaded rod (8) through the bearing, one end of the inner concave cylinder (13) is fixedly connected with one end of a circular tube (9), a side surface of the fixed plate (2) far away from the circular tube (9) is provided with an inner concave cylinder limiting device, one section of the threaded rod (8) far away from the inner concave cylinder limiting device is connected with the inner side of a moving ring (21) in a threaded mode, the moving ring (21) is located in, the outer periphery of the round pipe (9) is provided with a through hole corresponding to the position of the connecting plate (10), one end of the connecting plate (10) penetrates through the through hole and is hinged with the rectangular plate (20), and the moving rings (21) of the two supporting clamps are arranged oppositely.

2. The valve positioning fixture of claim 1, wherein: the indent drum stop device includes long slab (16), locating plate (18), constant head tank (14) and drum (19), the one end of drum (19) is kept away from the one end coaxial fixation of shift ring (21) with indent drum (13), constant head tank (14) have been seted up to the equidistance of the periphery side of drum (19), the position that fixed plate (2) side just is located drum (19) top is fixed with long slab (16), the rectangular hole has been seted up to long slab (16) upper surface, be provided with locating plate (18) in the rectangular hole, the bottom of locating plate (18) and constant head tank (14) the joint of the top.

3. The valve positioning fixture of claim 2, wherein: the upper end of the positioning plate (18) is fixedly connected with the lower surface of the top plate (17), the top plate (17) is a magnet plate, and the long plate (16) is an iron plate or a magnet plate.

4. The valve positioning fixture of claim 1, wherein: and a hand wheel (15) is fixed at one end of the threaded rod (8) far away from the moving ring (21), and a rubber round plug (12) is fixed at one end of the threaded rod (8) close to the moving ring (21).

5. The valve positioning fixture of claim 1, wherein: the threaded rod (8) is further sleeved with a longitudinal positioning device, the longitudinal positioning device comprises a circular ring (7), a threaded cylinder (3) with an external thread is arranged on the outer side surface, and an inner wall of the threaded cylinder is provided with an internal threaded sleeve (4), the threaded cylinder (3) is sleeved on a circular tube (9), one end of the threaded cylinder (3) is fixedly connected with one side of a fixing plate (2) close to a moving ring (21), the outer side surface of the threaded cylinder (3) is connected with the inner wall of the sleeve (4) in a threaded mode, and one end, far away from the fixing plate (2), of the sleeve (4) is connected with the circular ring (7) through a bearing.

6. The valve positioning fixture of claim 1, wherein: and a rubber block (11) is fixed on the upper surface of the rectangular plate (20).

7. The valve positioning fixture of claim 1, wherein: the middle position of the upper surface of the base plate (1) is further provided with a clamping device, the clamping device comprises a bidirectional screw rod (6) and two expansion plates (5), the upper surface of the base plate (1) is provided with a moving groove (22), the moving groove (22) is connected with the bottom ends of the two expansion plates (5) in a sliding mode, the top ends of the two expansion plates (5) are relatively far away, the lower portions of the two expansion plates (5) are provided with threaded holes in opposite directions, and the two threaded holes are connected with two sections of threads of the bidirectional screw rod (6).