CN208965011U - A kind of valve seat Multi-station rotary working table - Google Patents

Abstract

The utility model provides a kind of valve seat Multi-station rotary working table, including base, the base is equipped at least two stations, the turntable of configuration clamp system is installed in the station, each turntable passes through its bottom rotating mechanism and is installed in the station slot of base, and driven wheel is connected with by driven shaft between the turntable, week restraining synchronous belt is installed, and be connected on the driven wheel with the speed reducer output shaft for driving turntable to rotate of base inner center installation.Modularization is installed between the design realization of the turntable of the utility model and corollary equipment, while realizing quick positioning.

Description

A kind of valve seat Multi-station rotary working table

Technical field

The utility model relates to a kind of rotary table, especially a kind of multiple-station rotation work for valve seat processing Platform belongs to air valve processing technique field.

Background technique

Valve seat is the pass weight components in diesel combustion room, directly bears the erosion of high temperature and high pressure combustion gas.Its one end Valve casing is connected, combustion chamber is connected to, the work valve face end of the other end forms line with the valve face of valve rod and contacts to sealed combustion chamber.By Achieve the purpose that tail gas is vented by pumping for valve rod in the process of running in diesel engine, and due to valve seat and valve Easily there is a situation where between bar it is poorly sealed, so it is empty to will appear the burn-through that generates by high temperature corrosion at the edge of valve seat Hole, so that valve seat subjects very high thermic load and mechanical load at work.

In order to avoid the generation of above situation, spraying technology is used in design, by intensity and the better alloy of wearability Powder spray to achieve the purpose that strengthen shaft zone machines performance, and improves the service life of valve seat in shaft region.

Valve seat spraying technology belongs to one of plasma spray technology, and plasma spray technology has good surfacecti proteon and reinforcing Effect, is an important subject in Surface Engineering.It is using combustion flame by powdered or Filamentous metal and nonmetallic Coating material be heated to melting or semi-molten state, then by the power of flame stream itself or additional high-speed gas atomization and with Certain speed is ejected by pretreated substrate material surface, forms the table with various functions in conjunction with basis material A kind of technology of face seal coat.

Utility model content

The purpose of this utility model is that: in view of the above-mentioned problems of the prior art, proposing a kind of structurally reasonable, accurate The valve seat Multi-station rotary working table that degree is high, can be realized multistation simultaneous processing, improves production efficiency.

In order to reach the goals above, a kind of valve seat Multi-station rotary working table provided by the utility model, each station Revolving-turret be all mounted on base, each turntable bottom is mounted on sector gear rotation group, and turntable center position is equipped with Driven wheel group, the speed reducer output shaft phase for driving turntable to rotate that the driven wheel group is installed with base bottom centre position Connection.

Further, the quantity of the station is at least three, and is odd number, passes through between each adjacent turntable horizontally disposed The connection of double diaphragm elastic couplings, be placed in the turntable bottom at base center and installed by driven wheel and base bottom centre position For drive turntable rotate speed reducer be connected.

Further, the quantity of the station is at least four, and is even number, the sector gear rotation between each adjacent turntable Turn group to be connected in series by double diaphragm elastic couplings, the turntable bottom for being placed in base center passes through in driven wheel group and base inner The speed reducer output shaft for driving turntable to rotate of heart position installation is connected.

Further, the fixture table top for clamping workpiece is each equipped with above each turntable, on the fixture table top End face is equipped with the adjustable installing mechanism for installing workpiece to be processed, by adjusting adjustable installing mechanism on fixture table top Position after realize clamping to the workpiece to be processed of different model and size；The adjustable installing mechanism includes being led by four The regulating device and clamping device of rail and sliding part composition, the guide rail are distributed along fixture table top upper surface radial symmetric, in With sliding part is arranged with, the outboard end of the guide rail is equipped with the limit matched with the U-type groove on fixture table top outer circle wall Block, the clamping device are fixedly installed in positioning chuck center by central shaft.

Further, the clamp system is four paws positioning chuck.

Further, the base includes the cabinet of cuboid, and top of the box, which is equipped with, is uniformly provided with station mounting hole Top plate, the both ends of the top plate are equipped with the lifting bolt for lifting by crane base, it can be made to be mounted on valve rod multistation by lifting On rotary table, after being moved to specific position followed by it, puts down bolt and achieve that valve seat multi-station turning table position It is fixed, it is simple and practical.

Further, the both ends of the cabinet are fixed with the end-plate that surface has grid, the rear side of the end-plate according to It is secondary that ventilating filter screen and radiator fan are installed.

Further, the base two sides of the bottom are furnished with the boss installed with corresponding corollary equipment, the boss with match Seam allowance in set equipment is connected to each other, and realizes quickly positioning.

The beneficial effects of the utility model are: modularization is installed between the design realization of turntable and corollary equipment, realize simultaneously Quick positioning.

Detailed description of the invention

The utility model will be further described below with reference to the accompanying drawings.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the sectional view along A-A of Fig. 1.

Fig. 3 is the B-B direction cross-sectional view of Fig. 1.

Fig. 4 is the top view of the utility model.

Detailed description of the invention: 1- base, 2- spindle unit, 3- weeks restraining synchronous belt, 4- driven wheel, 5- transmission shaft, the bis- diaphragms of 6- Yielding coupling, 7- cabinet, 8- top plate, 9- end-plate, 10- lifting bolt, 11- ventilating filter screen, 12- radiator fan.

Specific embodiment

A kind of valve seat Multi-station rotary working table provided in this embodiment, exclusively for thermal spraying job design, by external Touch screen control platform rotation-controlled workbench starting, stopping and rotational speed regulation, workbench using servo motor drive, Stable working is reliable, and the rotation speed of workbench can be stepless adjustable in 20-500r/min.

The valve seat Multi-station rotary working table includes base, at least two stations is equipped on base, the quantity of station can To arrange according to demand, the number of stations used in the present embodiment is eight.Turning for configuration clamp system is installed in each station Platform, each turntable bottom are mounted on sector gear rotation group, and the sector gear between the adjacent turntable in two sides passes through horizontally disposed The connection of double diaphragm elastic couplings, is equipped with driven wheel between two turntables being placed among base, and the centre of driven wheel Week restraining synchronous belt is installed, this week controls synchronous belt and be used to drive subtracting for turntable rotation with what base inner center was installed Fast machine output shaft is connected.

Meanwhile clamp system being installed on the positioning disk above turntable, in the present embodiment, clamp system is four paws positioning Chuck.

And base is equipped with the top for being uniformly provided with station mounting hole in top of the box then by constituting in the cabinet of cuboid Plate, the both ends of top plate are equipped with the lifting bolt for lifting by crane base, it can be made to be mounted on valve rod multiple-station rotation work by lifting Make on platform, after being moved to specific position followed by it, puts down the fixation that bolt achieves that valve seat multi-station turning table position, letter It is single practical.Base two sides of the bottom are furnished with the boss installed with corresponding corollary equipment, and the boss is opposite with the seam allowance on corollary equipment It connects, realizes quickly positioning.

Meanwhile the both ends of cabinet are fixed with the end-plate that surface has grid, and be sequentially installed on rear side of end-plate Ventilating filter screen and radiator fan.

In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.

Claims (8)

1. a kind of valve seat Multi-station rotary working table, it is characterised in that: including base, the base is equipped at least two works , the turntable of configuration clamp system is installed, each turntable passes through its bottom rotating mechanism and is installed on base in the station In station slot, and driven wheel is connected with by driven shaft between the turntable, week restraining synchronous belt is installed on the driven wheel, And it is connected with the speed reducer output shaft for driving turntable to rotate of base inner center installation.

2. valve seat Multi-station rotary working table according to claim 1, it is characterised in that: the quantity of the station is at least Three, and be odd number, it is connected between each adjacent turntable by horizontally disposed double diaphragm elastic couplings, is placed in base center Turntable bottom is connected by driven wheel with the speed reducer output shaft for driving turntable to rotate that base inner center is installed It connects.

3. valve seat Multi-station rotary working table according to claim 1, it is characterised in that: the quantity of the station is at least Four, and be even number, it is connected, is placed among base by horizontally disposed double diaphragm elastic couplings between the adjacent turntable in two sides Two turntables between driven wheel is installed, the centre of the driven wheel is equipped with week restraining synchronous belt, week restraining synchronous belt It is connected with the servo motor output shaft for driving turntable to rotate of base inner center installation.

4. valve seat Multi-station rotary working table described in any one of -3 according to claim 1, it is characterised in that: described each turn The fixture table top for clamping workpiece is each equipped with above platform, fixture table top upper surface is equipped with for installing workpiece to be processed Adjustable installing mechanism, the adjustable installing mechanism includes the regulating device and clamping being made of four guide rails and sliding part Device, the guide rail are distributed along fixture table top upper surface radial symmetric, in being arranged with sliding part, the outboard end of the guide rail Portion is equipped with the limited block matched with the U-type groove on fixture table top outer circle wall, and the clamping device is fixed by central shaft It is installed on positioning chuck center.

5. valve seat Multi-station rotary working table according to claim 4, it is characterised in that: the clamping device is fixed for four paws Position chuck.

6. valve seat Multi-station rotary working table according to claim 1, it is characterised in that: the base includes cuboid Cabinet, tank ends are equipped with hoisting screw for lifting by crane base, and the bottom of box realized equipped with mounting flange workbench with The lifting of corollary equipment is fixed.

7. valve seat Multi-station rotary working table according to claim 6, it is characterised in that: the both ends of the cabinet are fixed with Surface has the end-plate of grid, is sequentially installed with ventilating filter screen and radiator fan on rear side of the end-plate.

8. valve seat Multi-station rotary working table according to claim 1, it is characterised in that: be furnished with the base two sides of the bottom With the boss of corresponding corollary equipment installation, the boss is connected to each other with the seam allowance on corollary equipment, realizes quickly positioning.