CN217291396U

CN217291396U - Part clamping mechanism of lathe for valve repair

Info

Publication number: CN217291396U
Application number: CN202123416393.9U
Authority: CN
Inventors: 吴思梦
Original assignee: Tangshan Lubei Taibao Motor Control Equipment Factory
Current assignee: Tangshan Lubei Taibao Motor Control Equipment Factory
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-26
Anticipated expiration: 2031-12-31

Abstract

The application discloses part fixture of lathe for valve restoration belongs to valve parts machining technical field, including the carousel body, be fixed in the cross recess of carousel body front end, be fixed in hydraulic telescoping rod, driving piece and the jack catch of carousel body side, slidable driving piece is installed respectively to four notch inside of cross recess, the nearly fixed jack catch that is provided with in carousel body centre of a circle one side of driving piece. This part fixture of lathe for valve restoration draws close or the dispersion to the chuck center through driving piece drive jack catch, and the jack catch front end is fixed and is provided with the flexure strip, and the jack catch inner wall sets up to the arc, and the terminal surface is provided with the ring channel of variation in size, the same centre of a circle before the chuck, to pipeline valve's fixed and centre gripping, is favorable to improving the stability to pipeline valve centre gripping, enlarges the suitability to pipeline valve centre gripping.

Description

Part clamping mechanism of lathe for repairing valve

Technical Field

The application belongs to the technical field of valve parts machining, and particularly relates to a part clamping mechanism of a lathe for valve repairing.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.

In fluid piping systems, piping valves are control elements that function primarily to isolate equipment and piping, regulate flow, prevent backflow, regulate and vent pressure, and can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, slurries, oils, liquid metals, and radioactive media.

The existing common valve repairing machine tool is single in structure, a mechanism for clamping and fixing the pipeline valve is not specially arranged, and when a traditional clamping mechanism is adopted, the pipeline valve is easy to loosen and even slide due to the irregular shape of the pipeline valve, so that the pipeline valve clamping device with stable clamping and wide applicability needs to be provided.

Therefore, we propose a part clamping mechanism of a lathe for repairing a valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve among the prior art, to restore the unstable problem of lathe to pipeline valve centre gripping, and the part fixture of a valve restoration lathe that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a part fixture of lathe for valve restoration, includes the carousel body, carousel body front end is fixed and is provided with the cross recess, the cross recess has four groups slides, each all slide in the slide and be provided with the driving piece, the driving piece is close to the one end fixedly connected with jack catch in the carousel body centre of a circle, this external fixed hydraulic telescoping rod that is provided with of carousel, hydraulic telescoping rod's output and one of them driving piece fixed connection, each link through drive assembly between the driving piece.

Through setting up the cross recess, the cross recess has four slides, all slides in the slide and sets up the driving piece, and the driving piece is close to carousel body centre of a circle one end fixedly connected with jack catch, and the carousel body external fixation is provided with hydraulic telescoping rod. The output end of the night pressing telescopic rod is fixedly connected with one of the driving pieces, and the driving pieces are linked through the transmission assembly. Simultaneous operation of the drive members is achieved.

Preferably, a chuck is fixedly arranged on the front side of the cross groove, and a plurality of groups of concentric annular grooves with different sizes are formed in the front end face of the chuck.

The clamping disc is fixedly arranged on the front side of the cross groove, and a plurality of groups of concentric annular grooves with different sizes are arranged on the front end face of the clamping disc, so that the pipeline valve can be clamped into the annular grooves, and the pipeline valve is limited and fixed for the first time.

Preferably, the transmission assembly comprises gear rings, each driving piece is provided with teeth on the side wall, one side of each tooth is meshed with a gear, one side of each gear is meshed with a tooth column, the tooth columns are meshed with the gear rings, and the gears and the tooth columns are rotatably connected to the turntable body.

Through setting up the intermeshing of tooth, gear, tooth post and ring gear, and gear and tooth post all rotate to be connected on the carousel body, have realized the simultaneous drive between each driving piece, synchronous with the pipeline valve centre gripping.

Preferably, all be equipped with the spacing groove on the slide, the ring gear slides and sets up in each spacing inslot.

Through the limiting groove arranged on the slide way, the limitation of the gear ring is realized, and the gear ring can be replaced more conveniently.

Preferably, one side of the driving part far away from the turntable body is provided with a clamping plate, and the clamping plate is fixedly connected to the side wall of the slide way.

Keep away from the cardboard of carousel body one side through setting up at each driving piece, and cardboard fixed connection has realized spacing around the driving piece on the lateral wall of slide, makes driving piece more steady operation in fixed slide.

Preferably, the claw has an arc-shaped groove on the inner side.

Through setting up the arc wall, realized that jack catch and pipeline valve can be better laminating, it is more firm to make pipeline valve fixed.

Preferably, the upper end of the clamping jaw is fixedly provided with an elastic sheet, and the elastic sheet is fixed with the clamping jaw through a bolt.

Through setting up the fixed flexure strip on the jack catch, the flexure strip passes through the bolt fastening on the jack catch, has realized optimizing the jack catch to pipeline valve's fixed, uses the change flexure strip that the bolt fastening can be more convenient.

Preferably, the cross groove is provided with bayonets corresponding to the annular grooves.

To sum up, the technical effect and the advantage of this application:

1. in this application, the user only needs to put into corresponding ring channel with pipeline valve, can accomplish the preliminary fixed to pipeline valve, drives the driving piece through the hydraulic telescoping rod, and the driving piece makes each driving piece synchronous operation through drive assembly, makes behind jack catch and the flexure strip laminating pipeline valve, accomplishes the further fixed to pipeline valve.

2. In this application, choose slide and cardboard for use, slide and cardboard can make the driving piece in the better removal of cross recess to this prevents that the driving piece from droing the influence to pipeline valve's fixing.

3. In this application, choose for use the arc wall jack catch, the arc wall jack catch can be when using this clamping device, better fixed with the pipeline valve to this prevents not hard up and the droing of pipeline valve.

Drawings

Fig. 1 is a schematic structural view of a part clamping mechanism of a lathe for repairing a valve provided in the present application;

FIG. 2 is an enlarged schematic view of the structure at C in FIG. 1 of the present application;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

fig. 5 is a front view of a part holding mechanism of a lathe for repairing a valve provided in the present application.

In the figure: 1. a turntable body; 2. a cross slot; 3. a claw; 4. a drive member; 5. a chuck; 6. a toothed ring; 7. teeth; 8. an annular groove; 9. a gear; 10. a toothed column; 11. a hydraulic telescopic rod; 12. clamping a plate; 13. a transmission assembly; 14. a slideway; 15. an elastic sheet.

Detailed Description

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

Referring to fig. 1, a part fixture of lathe for valve restoration, including carousel body 1, the fixed cross recess 2 that is provided with in carousel body 1 front end, cross recess 2 have four groups of slides 14, all slide in the slide 14 and be provided with driving piece 4, and driving piece 4 is close to the one end fixedly connected with jack catch 3 in the 1 centre of a circle of carousel body, carousel body 1 external fixation is provided with hydraulic telescoping rod 11, and hydraulic telescoping rod 11's output and one of them driving piece 4 fixed connection link through drive assembly 13 between the driving piece 4 for the centre gripping to the pipeline valve.

As shown in fig. 1, a chuck 5 is fixedly arranged on the front side of the cross groove 2, a plurality of concentric annular grooves 8 with different sizes are arranged on the front end surface of the chuck 5, the annular grooves 8 are used for primarily fixing the pipeline valve, and bayonets corresponding to the annular grooves 8 are arranged on the cross groove 2.

As shown in fig. 1, the transmission assembly 13 includes a toothed ring 6, teeth 7 are disposed on the side wall of each driving member 4, a gear 9 is engaged on one side of the teeth 7, a toothed column 10 is engaged on one side of the gear 9, the toothed column 10 is engaged with the toothed ring 6, the gear 9 and the toothed column 10 are both rotatably connected to the turntable body 1, and the pipeline valve can be more accurately fixed by the transmission assembly 13 when each driving member 4 is synchronously operated.

As shown in fig. 2, 4 and 5, each slide way 14 is provided with a limiting groove, and the toothed ring 6 is slidably arranged in each limiting groove, so that the toothed ring 6 can run in each limiting groove, and the use of the limiting grooves is more convenient when the toothed ring 6 is replaced at the later stage.

As shown in fig. 4 and 5, a clamping plate 12 is arranged on one side of the driving member 4 away from the turntable body 1, the clamping plate 12 is fixedly connected to a side wall of the slideway 14, and the driving member 4 is limited by the clamping plate 12, so that the driving member 4 can run more stably in the slideway 14.

As shown in fig. 3, the inner side of the jaw 3 is provided with an arc-shaped groove, so that the jaw 3 can be more tightly attached to the pipeline valve, and the pipeline valve can be further fixed and supported.

As shown in fig. 3, the upper end of the jaw 3 is fixedly provided with an elastic sheet 15, the elastic sheet 15 is fixed with the jaw 3 through a bolt, and the pipeline valve is not easy to loosen and fall off due to the use of the elastic sheet.

The working principle is as follows: when the clamping device is used, the transmission assembly 13 comprises a toothed ring 6, teeth 7 are arranged on the side wall of each driving part 4, a gear 9 is meshed with one side of each tooth 7, a toothed column 10 is meshed with one side of each gear 9, the toothed columns 10 are meshed with the toothed ring 6, and the gears 9 and the toothed columns 10 are rotatably connected to the turntable body 1. At first, distance between 3 with jack catch through hydraulic telescoping rod 11 sets up, later arrange the pipeline valve in corresponding ring channel 8, draw close to 5 centers of chuck through driving piece 4 drive jack catch 3, make jack catch 3 slowly be close to the outer wall of pipeline valve, the flexure strip 15 warp behind the outer wall butt of pipeline valve, until the outer wall laminating of flexure strip 15 and pipeline valve, with pipeline valve clamping fixation, the centre gripping is stable, difficult not hard up and landing.

Drive jack catch 3 through driving piece 4 and to the dispersion of chuck center, loosen the centre gripping to pipeline valve door, but have the resilience because of centre gripping flexure strip 15 to be applicable to the centre gripping of the pipeline valve of different internal diameters size in certain extent, improved this clamping device's suitability.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. The utility model provides a part fixture of lathe for valve restoration, includes carousel body (1), its characterized in that: the turntable is characterized in that a cross groove (2) is fixedly arranged at the front end of the turntable body (1), the cross groove (2) is provided with four groups of slide ways (14), each slide way (14) is internally provided with a driving piece (4) in a sliding manner, the driving piece (4) is close to one end fixedly connected with clamping jaw (3) of the circle center of the turntable body (1), the turntable body (1) is externally fixedly provided with a hydraulic telescopic rod (11), the output end of the hydraulic telescopic rod (11) is fixedly connected with one of the driving pieces (4), and each driving piece (4) is linked through a transmission assembly (13).

2. The component holding mechanism of a lathe for repairing a valve as set forth in claim 1, wherein: the front side of the cross groove (2) is fixedly provided with a chuck (5), and the front end face of the chuck (5) is provided with a plurality of groups of concentric annular grooves (8) with different sizes.

3. The component holding mechanism of a lathe for repairing a valve as set forth in claim 1, wherein: the transmission assembly comprises a toothed ring (6), teeth (7) are arranged on the side wall of the driving piece (4), a gear (9) is meshed with one side of each tooth (7), a toothed column (10) is meshed with one side of each gear (9), the toothed columns (10) are meshed with the toothed ring (6), and the gears (9) and the toothed columns (10) are connected to the turntable body (1) in a rotating mode.

4. The component holding mechanism of a lathe for repairing a valve as set forth in claim 3, wherein: each slide (14) is provided with a limit groove, and the gear ring (6) is arranged in each limit groove in a sliding manner.

5. The component holding mechanism of a lathe for repairing a valve as set forth in claim 4, wherein: one side of the driving piece (4) far away from the turntable body (1) is provided with a clamping plate (12), and the clamping plate (12) is fixedly connected to the side wall of the slide way (14).

6. The parts holding mechanism of the lathe for repairing a valve as claimed in claim 1, wherein: the inner side of the clamping jaw (3) is provided with an arc-shaped groove.

7. The component holding mechanism of a lathe for repairing a valve as set forth in claim 6, wherein: the clamping jaw is characterized in that an elastic piece (15) is fixedly arranged at the upper end of the clamping jaw (3), and the elastic piece (15) is fixed with the clamping jaw (3) through a bolt.

8. The component holding mechanism of a lathe for repairing a valve as set forth in claim 2, wherein: the cross groove (2) is provided with bayonets corresponding to the annular grooves (8).