CN218744899U

CN218744899U - Valve flange rotary lathe tool

Info

Publication number: CN218744899U
Application number: CN202222079714.9U
Authority: CN
Inventors: 郭世海; 关高鋆; 汤剑芳
Original assignee: Zhejiang Jiangxin Valve Technology Co ltd
Current assignee: Zhejiang Jiangxin Valve Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-03-28
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a valve flange gyration car frock, including the fixed plate of dress card on the lathe (holding) chuck, the terminal surface fixed mounting of fixed plate has the top board and the bottom plate of mutual parallel arrangement, be connected through the arc that is located both sides between top board and the bottom plate, the last surface mounting of bottom plate has rotatable fly leaf, surface mounting has the three grip block that is used for installing the valve on the fly leaf, the utility model relates to a simple structure, simple operation can be at the in-process to the three flange position turning of valve, only need the clamp once can realize once the purpose to the fixed of valve and accurate location on the lathe, have shortened operating personnel's operating time, are favorable to guaranteeing the geometric tolerances requirement of valve, improve the processingquality of product.

Description

Valve flange rotary lathe tool

Technical Field

The utility model belongs to the technical field of valve processing frock technique and specifically relates to a valve flange carrousel frock is related to.

Background

At present, because the valve generally has three flange mouth, when carrying out lathe work to the flange face of valve, need the clamping cubic on the lathe, it is long consuming time to lead to the clamping positioning process, influences machining efficiency to, above-mentioned clamping positioning mode also can not guarantee the concentricity or the depth of parallelism of both ends flange to and can not guarantee the straightness that hangs down at middle part flange and both ends flange center, has the problem that machining precision is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve flange carrousel frock to the current valve lathe work that provides in solving above-mentioned background art adds the cubic that needs the clamping on the lathe, leads to the problem that machining efficiency is low, the machining precision can not satisfy the design precision.

The technical scheme of the utility model is realized like this:

the utility model provides a valve flange gyration car frock, includes the fixed plate of dress card on the lathe (holding) chuck, the terminal surface fixed mounting of fixed plate has the last locating plate and the lower locating plate of mutual parallel arrangement, be connected through the arc that is located both sides between last locating plate and the lower locating plate, the last surface mounting of lower locating plate has rotatable fly leaf, fly leaf upper surface mounting has three grip block that is used for installing the valve, the locking device who is used for locking the location to the valve is installed to last locating plate position.

Preferably, locking device is including seting up the bar hole at last locating plate, and bar downthehole sliding connection has the position sleeve, the upper end external diameter department of position sleeve is equipped with the external screw thread, and the position sleeve is fixed on last locating plate through the lock nut who installs in external screw thread position department, the center of position sleeve is provided with the internal thread that link up, and internal thread position department installs the T type double-screw bolt that is used for locking the valve.

Preferably, a rotating central hole is formed in the middle of the movable plate and is rotatably connected with the lower positioning plate through a mounting pin shaft; t type groove has been seted up at the upper surface middle part of fly leaf, and sliding connection has T type screw rod in the T type groove, and T type screw rod intermediate position cover is equipped with the valve body clamp plate that is used for compressing tightly the valve, T type screw rod top threaded connection has the clamp plate nut that is used for compressing tightly the valve body.

Preferably, the movable plate is provided with four counter bores which are uniformly distributed around the central line of the rotating central hole, and internal threads are arranged above the counter bores on the movable plate; install the positioning bolt who corresponds each other with the counter bore position of fly leaf on the locating plate down, positioning bolt and locating plate threaded connection down, positioning bolt's top central point puts and has conical counter bore, install the lower extreme in the counter bore of fly leaf and be conical tapering locating pin, the lower extreme of tapering locating pin passes behind the counter bore of fly leaf and closely laminates with the conical counter bore on the positioning bolt, the counter bore top internal thread department of fly leaf installs and is used for carrying out axial spacing set nut to the tapering locating pin.

Preferably, the upper surface of the movable plate is provided with three connecting holes for mounting the clamping block, and the clamping block is fixed at the position above the movable plate through a bolt.

Preferably, a plane formed by the central line of one of the three connecting holes and the central line of the rotating central hole coincides with the central plane of the movable plate, and the central lines of the other two connecting holes and the central line of the rotating central hole are in the same plane, and the plane is perpendicular to the central plane of the movable plate.

Preferably, the clamping block includes the clamping jaw that upper end both sides upwards extended, forms the groove of stepping down between two clamping jaws, the lower extreme intermediate position of clamping block has downwardly extending's location arch, the location arch is installed at the positioning groove position of fly leaf.

Preferably, an inclined plane is formed from the middle position of one side surface of the clamping block to the direction of the clamping jaw, and the position of the inner side edge of the clamping jaw is provided with a round angle.

Adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model relates to a simple structure, simple operation can be in the in-process to the three flange position lathe work of valve, only need on the lathe the clamping once can realize the fixed and pinpoint the purpose to the valve, shortened operating personnel's operating time, be favorable to guaranteeing the geometric tolerances requirement of valve, improve the processingquality of product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a view showing the installation structure of the locking device of the present invention;

fig. 3 is a top view of the movable plate of the present invention;

fig. 4 is a sectional view of the movable plate of the present invention;

FIG. 5 is a connection structure diagram of the movable plate and the lower positioning plate of the present invention;

FIG. 6 is a perspective view of the clamping block of the present invention;

fig. 7 is the clamping and positioning schematic diagram of the valve of the present invention.

Wherein:

1. an upper positioning plate; 2. an arc-shaped plate; 3. a clamping block; 301. positioning the projection; 302. an inclined surface; 303. a clamping jaw; 304. round corners; 305. a yielding groove; 4. a lower positioning plate; 5. a movable plate; 501. positioning a groove; 502. countersinking; 503. rotating the central hole; 504. connecting holes; 505. an internally threaded hole; 6. a locking device; 601. a T-shaped stud; 602. locking the nut; 603. a positioning sleeve; 7. a fixing plate; 8. positioning a nut; 9. a taper positioning pin; 10. positioning the bolt; 11. a valve; 12. a T-shaped screw; 13. a valve body pressing plate; 14. and a pressure plate nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, a valve 11 flange rotary lathe tool comprises a fixing plate 7 clamped on a lathe chuck, wherein an upper positioning plate 1 and a lower positioning plate 4 which are arranged in parallel are fixedly mounted on the end surface of the fixing plate 7, the upper positioning plate 1 and the lower positioning plate 4 are connected through arc plates 2 located on two sides, a rotatable movable plate 5 is mounted on the upper surface of the lower positioning plate 4, three clamping blocks 3 used for mounting the valve 11 are mounted on the upper surface of the movable plate 5, and a locking device 6 used for locking and positioning the valve 11 is mounted at the position of the upper positioning plate 1.

Above-mentioned structure is at the during operation, places valve 11 on three grip block 3, carries out preliminary pretension to valve 11 through locking device 6, then adjusts valve 11's position and carries out calibration work, and after the completion of proofreading, locking device 6 locks valve 11, can carry out lathe work.

Specifically, the locking device 6 comprises a strip-shaped hole formed in the upper positioning plate 1, a positioning sleeve 603 is connected in the strip-shaped hole in a sliding manner, an external thread is arranged at the outer diameter of the upper end of the positioning sleeve 603, the positioning sleeve 603 is fixed on the upper positioning plate 1 through a locking nut 602 arranged at the position of the external thread, a through internal thread is arranged at the center of the positioning sleeve 603, and a T-shaped stud 601 for locking the valve 11 is arranged at the position of the internal thread; the positioning sleeve 603 is slidably disposed at the position of the strip-shaped hole, and is mainly used for adjusting the position of the positioning sleeve 603 to meet the requirement of adjusting different locking positions of different valves 11, after the locking position of the valve 11 is determined, the locking nut 602 is screwed to ensure that the positioning sleeve 603 is fixed at the upper positioning plate 1, and then the valve 11 is tightly pushed by rotating the T-shaped stud 601.

Specifically, a rotating center hole 503 is formed in the middle of the movable plate 5, and the rotating center hole 503 is rotatably connected with the lower positioning plate 4 through a mounting pin shaft, so that the movable plate 5 has 360-degree rotational freedom, and the processing requirements on different flange surfaces of the valve 11 are met; the valve is characterized in that a T-shaped groove is formed in the middle of the upper surface of the movable plate 5, a T-shaped screw 12 is connected in the T-shaped groove in a sliding mode, a valve body pressing plate 13 used for pressing the valve 11 is sleeved in the middle of the T-shaped screw 12, a pressing plate nut 14 used for pressing the valve body pressing plate 13 is connected to the upper portion of the T-shaped screw 12 in a threaded mode, and the valve body pressing plate 13 is arranged so that the valve 11 is fixed between the movable plate 5 and the valve body pressing plate 13 firstly through the valve body pressing plate 13 and the valve 11, the valve body pressing plate 13, the movable plate 5 and the clamping block 3 form an integral structure, and therefore the valve 11 cannot fall off when the movable plate 5 rotates.

Specifically, four counter bores 502 are formed in the movable plate 5, the four counter bores 502 are uniformly distributed around the center line of the rotating center hole 503, and an internal threaded hole 505 is formed above the counter bore 502 in the movable plate 5; install the positioning bolt 10 that corresponds each other with the counter bore 502 position of fly leaf 5 on locating plate 4 down, positioning

bolt

10 and 4 threaded connection of locating plate down, positioning bolt 10's top central point puts and has conical counter bore, install the lower extreme in the counter bore 502 of fly leaf 5 and be conical tapering locating pin 9, the lower extreme of tapering locating pin 9 passes behind the counter bore 502 of fly leaf 5 and closely laminates with the conical counter bore on the positioning bolt 10, the counter bore 502 top internal thread hole 505 department of fly leaf 5 installs and is used for carrying out axial spacing set nut 8 to tapering locating pin 9.

In the structure, the positioning bolt 10 is arranged for realizing the matching with the upper conical positioning pin, thereby reducing the error, and in addition, the replacement can be convenient after the abrasion, and the cost is reduced; the taper positioning pin 9 is arranged to play a role in improving the processing precision by utilizing the taper positioning pin 9 after each rotation, ensure the concentricity of the flange face centers at the two ends of the valve 11 and ensure the verticality requirement of the middle flange and the end flange center; the positioning nut 8 is arranged for axially limiting the taper positioning pin 9, so that the problem of separation of the taper positioning pin 9 in the working process is solved.

Specifically, the upper surface of the movable plate 5 is provided with three connecting holes 504 for installing the clamping block 3, and the clamping block 3 is fixed at a position above the movable plate 5 through a bolt.

Specifically, in the three connecting holes 504, a plane formed by a center line of one connecting hole 504 and a center line of the rotating center hole 503 coincides with a center plane of the movable plate 5, and center lines of the other two connecting holes 504 and the rotating center hole 503 are in the same plane and perpendicular to the center plane of the movable plate 5.

Specifically, grip block 3 includes the clamping jaw 303 that upper end both sides upwards extended, forms between two clamping jaws 303 and steps down groove 305, the lower extreme intermediate position of grip block 3 has the protruding 301 in the location of downwardly extending, the protruding 301 in location is installed in the constant head tank 501 position of fly leaf 5, and is more specific, and above-mentioned connecting hole 504 is seted up at constant head tank 501 root central point and is put for grip block 3 is more convenient when the installation.

Specifically, clamping block 3's a side surface intermediate position to the shaping of clamping jaw 303 direction has inclined plane 302, the inboard edge position of clamping jaw 303 has fillet 304, sets up inclined plane 302 because the position that valve 11 was held is the shape of narrow inside and wide outside, and inclined plane 302 can be convenient for clamping jaw 303 to extend to the innermost position at valve 11 centre gripping position, improves the effect of centre gripping, sets up fillet 304 and also is more firm in order to guarantee when centre gripping valve 11.

The working principle is as follows:

when the lathe is in operation, the fixed plate 7 is clamped by the four-claw asynchronous chuck of the lathe, the position of the fixed plate 7 is adjusted through the center of the flange of the valve 11, the purpose of correction is achieved, the requirement that the center line of one flange of the valve 11 is coincident with the lathe spindle is met, the valve 11 placed on the clamping block 3 is pressed tightly by the valve body pressing plate 13, and then the valve body pressing plate 13 is clamped through the T-shaped stud 601, so that the clamping and the positioning of the valve 11 are completed; after the valve 11 is clamped, the flange surface of the valve 11 can be turned, after one flange surface is machined, the positioning nut 8 on the movable plate 5 is removed, the T-shaped stud 601 is loosened, the movable plate 5 can be rotated by 90 degrees, the positioning nut 8 is screwed, after the T-shaped stud 601 is compressed, the second valve 11 can be turned, and after the T-shaped stud 601 is adjusted by 90 degrees, the third flange surface is changed to be machined.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a valve flange carrousel frock which characterized in that: including dress card fixed plate (7) on the lathe (holding) chuck, the terminal surface fixed mounting of fixed plate (7) has locating plate (1) and bottom plate (4) of mutual parallel arrangement, be connected through arc (2) that are located both sides between locating plate (1) and bottom plate (4), the last surface mounting of bottom plate (4) has rotatable fly leaf (5), fly leaf (5) last surface mounting has three grip block (3) that are used for installing valve (11), locking device (6) that are used for locking the location to valve (11) are installed to locating plate (1) position.

2. The valve flange rotary lathe tool according to claim 1, wherein: locking device (6) are including seting up the bar hole at last locating plate (1), and bar downthehole sliding connection has position sleeve (603), the upper end external diameter department of position sleeve (603) is equipped with the external screw thread, and position sleeve (603) are fixed on last locating plate (1) through installing lock nut (602) at external screw thread position department, the center of position sleeve (603) is provided with the internal thread that link up, and internal thread position department installs T type double-screw bolt (601) that are used for locking valve (11).

3. The valve flange turret tool set forth in claim 1, wherein: a rotary central hole (503) is formed in the middle of the movable plate (5), and the rotary central hole (503) is rotatably connected with the lower positioning plate (4) through a mounting pin shaft; t type groove has been seted up at the upper surface middle part of fly leaf (5), and sliding connection has T type screw rod (12) in the T type groove, and T type screw rod (12) intermediate position cover is equipped with valve body clamp plate (13) that are used for compressing tightly valve (11), T type screw rod (12) top threaded connection has clamp plate nut (14) that are used for compressing tightly valve body clamp plate (13).

4. The valve flange turret tool set forth in claim 3, wherein: four counter bores (502) are formed in the movable plate (5), the four counter bores (502) are uniformly distributed around the center line of the rotary central hole (503), and internal threads are arranged above the counter bores (502) in the movable plate (5); install on locating plate (4) down positioning bolt (10) that correspond each other with counterbore (502) position of fly leaf (5), positioning bolt (10) and lower locating plate (4) threaded connection, the top central point of positioning bolt (10) puts and has conical counter bore, install the lower extreme in counterbore (502) of fly leaf (5) and be conical tapering locating pin (9), the lower extreme of tapering locating pin (9) is passed counterbore (502) of fly leaf (5) after and is closely laminated with the conical counter bore on positioning bolt (10), counterbore (502) top internal thread department of fly leaf (5) is installed and is used for carrying out axial spacing set nut (8) to tapering locating pin (9).

5. The valve flange rotary lathe tool according to claim 1, wherein: the upper surface of the movable plate (5) is provided with three connecting holes (504) for installing the clamping block (3), and the clamping block (3) is fixed above the movable plate (5) through bolts.

6. The valve flange turret tool set forth in claim 5, wherein: the plane formed by the central line of one connecting hole (504) and the central line of the rotating central hole (503) in the three connecting holes (504) is coincident with the central plane of the movable plate (5), and the central lines of the other two connecting holes (504) and the central line of the rotating central hole (503) are in the same plane which is perpendicular to the central plane of the movable plate (5).

7. The valve flange turret tool set forth in claim 1, wherein: the clamping block (3) comprises clamping jaws (303) extending upwards from two sides of the upper end of the clamping block, a yielding groove (305) is formed between the two clamping jaws (303), a positioning bulge (301) extending downwards is arranged at the middle position of the lower end of the clamping block (3), and the positioning bulge (301) is arranged at the position of a positioning groove (501) of the movable plate (5).

8. The valve flange turret tool set forth in claim 7, wherein: an inclined surface (302) is formed in the direction from the middle position of the surface of one side of the clamping block (3) to the clamping jaw (303), and the position of the edge of the inner side of the clamping jaw (303) is provided with a round corner (304).