CN213591775U

CN213591775U - Lathe fixture of valve seat

Info

Publication number: CN213591775U
Application number: CN202022392260.1U
Authority: CN
Inventors: 崔立华; 崔敬卓
Original assignee: Tianjin Jianghai Xingda Rubber Plastic Co ltd
Current assignee: Tianjin Jianghai Xingda Rubber Plastic Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-02
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to the technical field of processing equipment, in particular to a lathe fixture of a valve seat, which increases the contact area between a clamping surface and a blank by arranging three groups of arc-shaped plates, reduces the local clamping force of the valve seat blank, ensures uniform wall thickness of the processed valve seat and improves the practicability of the device; including fuselage, transmission shaft, hydraulic chuck, sword tower moving mechanism and sword tower, the left end of transmission shaft and the cavity left end inner wall rotatable coupling of fuselage, the left end of hydraulic chuck is connected with the right-hand member of transmission shaft, and the right-hand member of hydraulic chuck is provided with three clamping mechanisms of group, and every clamping mechanism of group comprises jack catch, arc frid, arc and multiunit spring, and the outer wall of arc frid is connected with the inside wall of jack catch, and the arc sets up in the arc frid, but arc and arc frid sliding connection, multiunit spring setting are in the arc frid, the both ends of multiunit spring are connected with the inner wall of arc frid and the inside wall of arc respectively.

Description

Lathe fixture of valve seat

Technical Field

The utility model relates to a technical field of processing equipment especially relates to a turning attachment of disk seat.

Background

The valve seat is a detachable surface component in the valve, is used for supporting the valve core at the fully closed position and forms a sealing pair. The valve seat typically uses a resilient sealing material and a small actuator thrust to achieve a bubble-tight seal, compressing the valve seat sealing stress to elastically deform the material into the rough surface of the mating metal part to block all leakage paths.

The disk seat is made by numerical control lathe turning, and current processing technology clamps the disk seat and processes on the three-jaw chuck, because the material of disk seat is all flexible, produces easily at the clamping in-process and warp, leads to the disk seat wall thickness of processing uneven with, influences the sealed of later stage, leads to the practicality of device relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a through setting up three arc of groups, increase clamping face and the area of contact of blank reduce the local clamp force of disk seat blank, make the disk seat wall thickness after the processing even, improve the disk seat turning attachment of practicality.

The utility model discloses a lathe fixture of valve seat, including fuselage, transmission shaft, hydraulic chuck, turret moving mechanism and turret, the inside of fuselage is provided with the work cavity, and the front end of fuselage is provided with the operation mouth, the operation mouth communicates with the cavity of fuselage, and the left end of transmission shaft and the inner wall of the cavity left end of fuselage are rotatable to be connected, and the left end of hydraulic chuck is connected with the right-hand member of transmission shaft, and the rear end of turret moving mechanism and the inner wall of the cavity of fuselage are slidable to be connected, and the right-hand member of turret and the left end of turret moving mechanism are rotatable to be connected, and the right-hand member of hydraulic chuck is provided with three sets of clamping mechanism, and each set of clamping mechanism comprises jack catch, arc frid and multiunit spring, and the outer wall of arc frid is connected with the inside wall of jack catch, and the arc sets up in the arc frid, but arc and arc frid sliding connection, and multiunit spring set up in, the two ends of the plurality of groups of springs are respectively connected with the inner wall of the arc-shaped groove plate and the inner side wall of the arc-shaped plate.

The utility model discloses a turning attachment of disk seat still includes fan, rose box, dust absorption pipe, connecting pipe, blast pipe and adsorbed layer, and the bottom of fan and rose box all is connected with the top of fuselage, and the inside of rose box is provided with the cavity, and the left and right sides outer wall of rose box is provided with air inlet and gas outlet respectively, air inlet and gas outlet all communicate with the cavity of rose box, and the output of dust absorption pipe and the input of fan intercommunication, the input of dust absorption pipe extend to in the working chamber of fuselage, the output setting of dust absorption pipe is in the top that is close to hydraulic chuck, and the output of fan passes through the connecting pipe intercommunication with the air inlet of rose box, and the input of blast pipe and the gas outlet intercommunication of rose box, the lateral wall of adsorbed layer and the cavity inner wall connection of rose box.

The utility model discloses a turning attachment of disk seat still includes the suction hood, and the output of suction hood communicates with the input of dust absorption pipe.

The utility model discloses a turning attachment of disk seat still includes three group's backplate, and the rear end of three group's backplate is connected with the front end of three group's arc frid respectively.

The utility model discloses a turning attachment of disk seat still includes the drawer case, and the front end of fuselage is provided with the discharge gate, the discharge gate communicates with the working chamber of fuselage, and the drawer case alternates in the working chamber of fuselage through the discharge gate of fuselage.

The utility model discloses a turning attachment of disk seat still includes the handle, and the rear end of handle is connected with the front end of drawer case.

The utility model discloses a turning attachment of disk seat still includes the explosion-proof lamp, the left end of explosion-proof lamp and the work cavity inner wall connection of fuselage.

The utility model discloses a turning attachment of disk seat still includes four groups's lower margins, the top of four groups' lower margins all with the bottom threaded connection of fuselage.

Compared with the prior art, the beneficial effects of the utility model are that: place the disk seat blank in the inboard of three group's arcs, through three group's jack catchs of hydraulic chuck shrink, make three group's arcs press from both sides tight disk seat blanks, then carry out cutting process, through setting up three group's arcs, increase clamping face and the area of contact of blank reduce the local clamp force of disk seat blank, the clamp force of the flexible characteristic buffering disk seat blank of multiunit spring simultaneously, the disk seat wall thickness after making the processing is even, improves the leakproofness of disk seat and case, improves the practicality of device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a front view of the clamping mechanism;

FIG. 4 is a schematic axial view of the clamping mechanism;

in the drawings, the reference numbers: 1. a body; 2. a drive shaft; 3. a hydraulic chuck; 4. a turret movement mechanism; 5. a turret; 6. a claw; 7. an arc-shaped groove plate; 8. an arc-shaped plate; 9. a spring; 10. a fan; 11. a filter box; 12. a dust collection pipe; 13. a connecting pipe; 14. an exhaust pipe; 15. an adsorption layer; 16. a dust hood; 17. a guard plate; 18. a drawer box; 19. a handle; 20. an explosion-proof lamp; 21. and (5) ground feet.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the lathe fixture for a valve seat of the present invention comprises a machine body 1, a transmission shaft 2, a hydraulic chuck 3, a turret moving mechanism 4 and a turret 5, wherein a working chamber is arranged inside the machine body 1, an operation port is arranged at the front end of the machine body 1, the operation port is communicated with the chamber of the machine body 1, the left end of the transmission shaft 2 is rotatably connected with the inner wall of the left end of the chamber of the machine body 1, the left end of the hydraulic chuck 3 is connected with the right end of the transmission shaft 2, the rear end of the turret moving mechanism 4 is slidably connected with the inner wall of the chamber of the machine body 1, the right end of the turret 5 is rotatably connected with the left end of the turret moving mechanism 4, three sets of clamping mechanisms are arranged at the right end of the hydraulic chuck 3, each set of clamping mechanism is composed of a clamping jaw 6, an arc-shaped groove plate 7, an arc-shaped plate 8 and a plurality of springs 9, the outer wall of the, the arc-shaped plate 8 is connected with the arc-shaped groove plate 7 in a sliding manner, a plurality of groups of springs 9 are arranged in the arc-shaped groove plate 7, and two ends of the plurality of groups of springs 9 are respectively connected with the inner wall of the arc-shaped groove plate 7 and the inner side wall of the arc-shaped plate 8; place the disk seat blank in the inboard of three group's arcs 8, through three group's jack catchs 6 of hydraulic chuck 3 shrink, make three group's arcs 8 press from both sides tight disk seat blank, then carry out cutting process, through setting up three group's arcs 8, the area of contact of increase clamping face and blank reduces the local clamp force of disk seat blank, the clamp force of disk seat blank is cushioned to flexible characteristic through multiunit spring 9 simultaneously, the disk seat wall thickness after making the processing is even, improve the leakproofness of disk seat and case, the practicality of improving the device.

The lathe fixture of the valve seat of the utility model also comprises a fan 10, a filter box 11, a dust suction pipe 12, a connecting pipe 13, an exhaust pipe 14 and an adsorption layer 15, wherein the bottom ends of the fan 10 and the filter box 11 are both connected with the top end of the machine body 1, a cavity is arranged inside the filter box 11, the outer walls of the left side and the right side of the filter box 11 are respectively provided with an air inlet and an air outlet, the air inlet and the air outlet are both communicated with the cavity of the filter box 11, the output end of the dust suction pipe 12 is communicated with the input end of the fan 10, the input end of the dust suction pipe 12 extends into the working cavity of the machine body 1, the output end of the dust suction pipe 12 is arranged above the hydraulic chuck 3, the output end of the fan 10 is communicated with the air inlet of the filter box 11 through a connecting pipe 13, the input end of the exhaust pipe 14 is communicated with the air outlet of the filter box 11, and the side wall of the adsorption layer 15 is connected with the inner wall of the cavity of the filter box 11; will produce the dust when cutting to the disk seat and add man-hour, open fan 10, fan 10 output power inhales the dust through dust absorption pipe 12, later carries to the cavity of rose box 11 in through connecting pipe 13, and adsorbed layer 15 adsorbs the dust, and the gas after the filtration passes through blast pipe 14 and discharges, reduces the dust and scatters and cause environmental pollution, improves the feature of environmental protection of device.

The lathe fixture for the valve seat further comprises a dust hood 16, and the output end of the dust hood 16 is communicated with the input end of the dust collection pipe 12; by arranging the dust collection cover 16, the area of the dust collection opening is increased, and the practicability of the device is improved.

The lathe fixture for the valve seat further comprises three groups of guard plates 17, and the rear ends of the three groups of guard plates 17 are respectively connected with the front ends of the three groups of arc-shaped groove plates 7; through setting up three group's backplate 17, prevent that the waste material of cutting from getting into in the space between arc frid 7 and the arc 8, influencing three group's arc 8's slip, improve the practicality of device.

The lathe fixture for the valve seat further comprises a drawer box 18, wherein a discharge port is formed in the front end of the machine body 1 and is communicated with the working cavity of the machine body 1, and the drawer box 18 penetrates into the working cavity of the machine body 1 through the discharge port of the machine body 1; by arranging the drawer box 18, scrap of cuttings can be conveniently received and treated, and the use convenience of the equipment is improved.

The lathe fixture for the valve seat further comprises a handle 19, and the rear end of the handle 19 is connected with the front end of the drawer box 18; through setting up handle 19, the operating personnel pull drawer box 18 of being convenient for improves the convenience in use of equipment.

The lathe fixture for the valve seat further comprises an explosion-proof lamp 20, and the left end of the explosion-proof lamp 20 is connected with the inner wall of the working chamber of the machine body 1; through setting up explosion-proof lamp 20, explosion-proof lamp 20 turns into the light energy with the electric energy and provides the light for the work cavity of fuselage 1, the operating personnel operation of being convenient for, improve equipment's practicality.

The lathe fixture for the valve seat further comprises four groups of feet 21, and the top ends of the four groups of feet 21 are in threaded connection with the bottom end of the machine body 1; through setting up four groups of lower margin 21, make the level of equipment adjust, improve equipment's stability.

The utility model discloses a turning attachment of disk seat, it is at the during operation, place the inboard at three group's arcs with the disk seat blank, through three group's jack catchs of hydraulic chuck shrink, make three group's arcs press from both sides tight disk seat blank, then carry out cutting process, through setting up three group's arcs, the area of contact of increase clamping face and blank reduces the local clamp force of disk seat blank, the clamp force of the flexible characteristic buffering disk seat blank through the multiunit spring simultaneously, the disk seat wall thickness after making the processing is even, improve the leakproofness of disk seat and case.

The lathe fixture for the valve seat has the advantages that the mounting mode, the connecting mode or the setting mode are common mechanical modes, and the lathe fixture can be implemented as long as the beneficial effects can be achieved; the utility model discloses a turning attachment's of disk seat hydraulic chuck, spring, fan and explosion-proof lamp are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A lathe fixture of a valve seat is characterized by comprising a machine body (1), a transmission shaft (2), a hydraulic chuck (3), a turret moving mechanism (4) and a turret (5), wherein a working chamber is arranged inside the machine body (1), an operation opening is formed in the front end of the machine body (1), the operation opening is communicated with the chamber of the machine body (1), the left end of the transmission shaft (2) is rotatably connected with the inner wall of the left end of the chamber of the machine body (1), the left end of the hydraulic chuck (3) is connected with the right end of the transmission shaft (2), the rear end of the turret moving mechanism (4) is slidably connected with the inner wall of the chamber of the machine body (1), the right end of the turret (5) is rotatably connected with the left end of the turret moving mechanism (4), three groups of clamping mechanisms are arranged at the right end of the hydraulic chuck (3), each group of clamping mechanisms comprises a clamping jaw (6), an arc-shaped groove plate (7), an arc-shaped plate (8) and a plurality of, the outer wall of arc frid (7) is connected with the inside wall of jack catch (6), and arc (8) set up in arc frid (7), arc (8) and arc frid (7) sliding connection, multiunit spring (9) set up in arc frid (7), the both ends of multiunit spring (9) are connected with the inner wall of arc frid (7) and the inside wall of arc (8) respectively.

2. The lathe fixture of the valve seat, as recited in claim 1, further comprising a fan (10), a filter box (11), a dust suction pipe (12), a connecting pipe (13), an exhaust pipe (14) and an adsorption layer (15), wherein the bottom ends of the fan (10) and the filter box (11) are both connected with the top end of the machine body (1), a cavity is arranged inside the filter box (11), the outer walls of the left side and the right side of the filter box (11) are respectively provided with an air inlet and an air outlet, the air inlet and the air outlet are both communicated with the cavity of the filter box (11), the output end of the dust suction pipe (12) is communicated with the input end of the fan (10), the input end of the dust suction pipe (12) extends into the working chamber of the machine body (1), the output end of the dust suction pipe (12) is arranged above the hydraulic chuck (3), and the output end of the fan (10) is communicated with the air inlet of the filter box (11), the input end of the exhaust pipe (14) is communicated with the air outlet of the filter box (11), and the side wall of the adsorption layer (15) is connected with the inner wall of the cavity of the filter box (11).

3. The lathe fixture of a valve seat as claimed in claim 2, further comprising a dust hood (16), wherein an output end of the dust hood (16) is communicated with an input end of the dust suction pipe (12).

4. The lathe jig of a valve seat according to claim 3, further comprising three sets of the guards 17, wherein rear ends of the three sets of the guards 17 are connected to front ends of the three sets of the arc-shaped grooved plates 7, respectively.

5. The lathe fixture of a valve seat as claimed in claim 4, further comprising a drawer box (18), wherein a discharge port is arranged at the front end of the machine body (1), the discharge port is communicated with the working chamber of the machine body (1), and the drawer box (18) is inserted into the working chamber of the machine body (1) through the discharge port of the machine body (1).

6. The lathe jig for a valve seat according to claim 5, further comprising a handle (19), wherein a rear end of the handle (19) is connected to a front end of the drawer box (18).

7. The lathe fixture of a valve seat according to claim 6, further comprising an explosion-proof lamp (20), wherein the left end of the explosion-proof lamp (20) is connected with the inner wall of the working chamber of the machine body (1).

8. The lathe fixture of a valve seat according to claim 7, further comprising four sets of feet (21), wherein the top ends of the four sets of feet (21) are all in threaded connection with the bottom end of the machine body (1).