CN110076613B - Auxiliary turning device for pump body of water ring vacuum pump - Google Patents

Abstract

The invention discloses an auxiliary turning device for a water ring vacuum pump body.A pair of rotary supporting plates are respectively and rotatably arranged on the end surfaces, close to a pair of vertical parts, of a supporting seat; the end surfaces of the pair of rotary supporting plates close to each other are formed with rectangular groove-shaped lifting grooves which are arranged in the radial direction; a pair of limiting plates is arranged in the lifting groove in a lifting way; rectangular groove-shaped limiting grooves are formed in the end faces, close to the limiting plates, of the pair of limiting plates respectively; the vertical limiting plate is in a cylindrical plate shape, and a pair of limiting blocks which are uniformly distributed in the circumference and matched with the limiting grooves are formed on the cylindrical surface; a plurality of groups of connecting groups with the same shaft and different diameters are formed on the vertical limiting plate; the connecting group comprises a plurality of connecting through holes which are uniformly distributed on the circumference and through which the vertical supporting connecting rods vertically pass; two ends of the vertical support connecting rod are respectively screwed with vertical limit nuts. The invention has simple structure, is suitable for the overturning of the pump bodies of water ring vacuum pumps with different sizes, and is convenient to process each end face.

Description

Auxiliary turning device for pump body of water ring vacuum pump

Technical Field

The invention relates to the field of production of water ring vacuum pumps, in particular to an auxiliary overturning device for a pump body of a water ring vacuum pump.

Background

At present, in the production process of a pump body of a water ring vacuum pump, because each end face needs to be processed one by one, the end faces can be processed only by overturning for many times, and the existing overturning method in a production workshop is to hoist one end of the pump body by a hanging chain and overturn the pump body by taking the bottom end of a part as a fulcrum through the horizontal movement of a travelling crane. However, because the size and the weight of the part are large, when the gravity center of the part misses the fulcrum, the part suddenly drops due to the deviation of the gravity center, and the downward instantaneous impact is caused to the traveling crane, and at the moment, the part and the traveling crane are damaged. Particularly, when an ultra-large water ring vacuum pump is produced, the weight of relevant main parts exceeds the load of a conventional travelling crane in a workshop, and the production of the large and ultra-large vacuum pumps is seriously influenced, so that the device which can replace the travelling crane to overturn a large workpiece and safely and stably overturn the large workpiece is a problem to be solved urgently at present.

Disclosure of Invention

The invention aims to provide an auxiliary overturning device for a water ring vacuum pump body, aiming at the technical problem that the existing overturning equipment cannot well overturn the water ring vacuum pump body.

The technical scheme for solving the technical problems is as follows: an auxiliary turning device for a water ring vacuum pump body comprises a support seat and a turning unit, wherein the support seat is in a shape like a Chinese character 'ji' and an opening of the support seat is upward; the pair of vertical parts of the supporting seat are symmetrical front and back; the overturning unit comprises a pair of rotary supporting plates which are symmetrically arranged front and back, a pair of vertical limiting plates which are symmetrically arranged up and down and a plurality of vertical supporting connecting rods; the pair of rotary supporting plates are respectively and rotatably arranged on the end surfaces, close to the pair of vertical parts, of the supporting seat; the end surfaces of the pair of rotary supporting plates close to each other are formed with rectangular groove-shaped lifting grooves which are arranged in the radial direction; a pair of limiting plates are arranged in the lifting groove in a lifting way, and the pair of limiting plates are synchronously far away from or close to each other; rectangular groove-shaped limiting grooves are formed in the end faces, close to the limiting plates, of the pair of limiting plates respectively, and one ends, far away from the corresponding side, of the limiting grooves, of the rotating supporting plates are not sealed; the vertical limiting plate is in a cylindrical plate shape, and a pair of limiting blocks which are uniformly distributed in the circumference and matched with the limiting grooves are formed on the cylindrical surface; a plurality of groups of connecting groups with the same shaft and different diameters are formed on the vertical limiting plate; the connecting group comprises a plurality of connecting through holes which are uniformly distributed on the circumference and through which the vertical supporting connecting rods vertically pass; two ends of the vertical support connecting rod are respectively screwed with vertical limit nuts.

Preferably, a turnover rotating motor is fixed on the rear end face of the supporting seat; the rotary supporting plate at the rear side is fixed at the front end of an output shaft of the turnover rotary motor.

Preferably, a lifting driving threaded rod is pivoted between the upper side wall and the lower side wall of the lifting groove; a lifting driving motor is fixed on the upper side wall of the lifting groove; the upper end of the lifting driving threaded rod is fixedly connected with the lower end of an output shaft of the lifting driving motor; the upper end and the lower end of the lifting driving threaded rod are provided with external thread parts with opposite rotation directions; and a pair of limiting plates at the same side are in threaded connection with different external thread parts of the same lifting driving threaded rod.

Preferably, the rotation center axis of the rotation support plate is located on a symmetrical plane of the rotation support plate; the pair of limiting plates are symmetrically arranged relative to the horizontal symmetry plane of the rotating supporting plate.

Preferably, the upper end surface and the lower end surface of the rotating support plate are formed into arc surfaces, and the arc surfaces are coaxially arranged with the same diameter; the rotation central axis of the rotation support plate is collinear with the rotation central axes of the upper and lower end surfaces of the rotation support plate.

Preferably, the number of connection holes in the same connection group is at least four.

Preferably, when the pair of vertical limiting plates is farthest away, the pair of vertical limiting plates does not interfere with the horizontal portion of the support base during the rotation of the pair of rotating support plates.

The invention has the beneficial effects that: the structure is simple, and the turning device is suitable for turning the pump bodies of the water ring vacuum pumps with different sizes so as to conveniently process each end face.

Drawings

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

FIG. 2 is a schematic structural view of a cross section of the present invention;

fig. 3 is a schematic top view of thevertical retainer plate 24 of the present invention.

In the figure, 10, a support seat; 20. a turning unit; 21. rotating the support plate; 210. a lifting groove; 22. lifting the driving threaded rod; 23. a limiting plate; 230. a limiting groove; 24. a vertical limiting plate; 240. connecting through holes; 241. a limiting block; 25. a vertical support link; 26. and a vertical limit nut.

Detailed Description

As shown in fig. 1 to 3, an auxiliary turning device for a pump body of a water ring vacuum pump comprises asupport base 10 and aturning unit 20, wherein thesupport base 10 is provided with an upward opening and is shaped like a Chinese character 'ji'; a pair of vertical parts of thesupport base 10 are symmetrical front and back; the overturningunit 20 comprises a pair of rotary supportingplates 21 which are symmetrically arranged front and back, a pair of verticallimiting plates 24 which are symmetrically arranged up and down and a plurality of vertical supporting connectingrods 25; a pair of rotatingsupport plates 21 are respectively rotatably provided on the end surfaces of thesupport base 10 adjacent to the pair of vertical portions; alifting groove 210 in a radial rectangular groove shape is formed on the end surface of the pair of rotary supportingplates 21 close to each other; a pair oflimiting plates 23 are arranged in thelifting groove 210 in a lifting manner, and the pair oflimiting plates 23 are synchronously far away or close to each other; rectangular groove-shapedlimiting grooves 230 are respectively formed on the close end surfaces of the pair oflimiting plates 23, and one ends of thelimiting grooves 230 far away from therotating support plate 21 on the corresponding side are not sealed; the verticallimiting plate 24 is in a cylindrical plate shape, and a pair of limitingblocks 241 which are uniformly distributed on the circumference and are matched with thelimiting groove 230 are formed on the cylindrical surface; a plurality of groups of connecting groups with the same shaft and different diameters are formed on the verticallimiting plate 24; the connection group comprises a plurality of connection throughholes 240 which are uniformly distributed on the circumference and are used for the verticalsupport connecting rods 25 to vertically pass through; two ends of the verticalsupport connecting rod 25 are respectively screwed withvertical limit nuts 26.

A turnover rotating motor is fixed on the rear end face of the supportingseat 10; therotation support plate 21 on the rear side is fixed to the front end of the output shaft of the reversing rotation motor.

As shown in fig. 1 and 2, a lifting driving threadedrod 22 is pivoted between the upper and lower side walls of thelifting groove 210; a lifting driving motor is fixed on the upper side wall of thelifting groove 210; the upper end of the lifting driving threadedrod 22 is fixedly connected with the lower end of an output shaft of the lifting driving motor; external thread parts with opposite rotation directions are formed at the upper end and the lower end of the lifting driving threadedrod 22; a pair ofstopper plates 23 on the same side are screwed to different external thread portions of the same elevation drive threadedrod 22.

As shown in fig. 1 and 2, the rotation center axis of therotation support plate 21 is located on the symmetry plane of therotation support plate 21; the pair ofstopper plates 23 is provided symmetrically with respect to the horizontal symmetry plane of therotation support plate 21.

As shown in fig. 1 and 2, the upper and lower end surfaces of the rotatingsupport plate 21 are formed into arc surfaces and are coaxially arranged with the same diameter; the rotation center axis of therotation support plate 21 is collinear with the rotation center axis of the upper and lower end surfaces of therotation support plate 21.

The number of the connection throughholes 240 of the same connection group is at least four.

When the pair ofvertical stopper plates 24 are farthest apart, the pair ofvertical stopper plates 24 do not interfere with the horizontal portion of thesupport base 10 during the rotation of the pair ofrotation support plates 21.

The working principle of the auxiliary turning device of the water ring vacuum pump body is as follows:

initial state: the pair oflimiting plates 23 on the same side are farthest away and are in a horizontal state, then the pair of limitingblocks 241 of one verticallimiting plate 24 are inserted into thelimiting grooves 230 of the pair oflimiting plates 23 on the lower side from top to bottom, then the water ring vacuum pump body is placed on the verticallimiting plate 24, then the vertical supporting connectingrod 25 penetrates through the connecting throughhole 240 from top to bottom and the verticallimiting nut 26 is screwed on the lower end of the vertical supporting connectingrod 25, so that the water ring vacuum pump body is limited on the horizontal plane, so that the upper end face of the water ring vacuum pump body at the moment is processed, the other verticallimiting plate 24 is placed on the water ring vacuum pump body and is sleeved on the vertical supporting connectingrod 25, then the other verticallimiting nut 26 is screwed on the upper end of the vertical supporting connectingrod 25 and is screwed, so that the water ring vacuum pump body is, then a pair oflimiting plate 23 of homonymy is close to in step, insert thespacing groove 230 of establishing a pair oflimiting plate 23 of upside until a pair ofstopper 241 of the verticallimiting plate 24 of upside, a pair ofrotatory backup pad 21 synchronous rotation 90 degrees after that, can process the side one side of the water ring vacuum pump body like this, a pair ofrotatory backup pad 21 synchronous rotation 90 degrees again after that, process the up end of this moment of the water ring vacuum pump body like this, last a pair ofrotatory backup pad 21 synchronous rotation 90 degrees again, can process the side opposite side of the water ring vacuum pump body like this, accomplish the processing of all terminal surfaces of the water ring vacuum pump body like this, moreover, the steam generator is simple in structure, the operation is simple, adapt to the water ring vacuum pump body of different gears simultaneously.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.

Claims (6)

1. The utility model provides a supplementary turning device of water ring vacuum pump body which characterized in that: comprises a support seat (10) and a turning unit (20), wherein the opening of the support seat is upwards arranged; a pair of vertical parts of the supporting seat (10) are symmetrical front and back; the overturning unit (20) comprises a pair of rotary supporting plates (21) which are symmetrically arranged front and back, a pair of vertical limiting plates (24) which are symmetrically arranged up and down and a plurality of vertical supporting connecting rods (25); a pair of rotating support plates (21) are respectively and rotatably arranged on the end surfaces of the support seat (10) close to the pair of vertical parts; a lifting groove (210) in a radial rectangular groove shape is formed on the end surface close to the pair of rotary supporting plates (21); a pair of limiting plates (23) are arranged in the lifting groove (210) in a lifting way, and the pair of limiting plates (23) are synchronously far away or close to each other; rectangular groove-shaped limiting grooves (230) are respectively formed in the end faces, close to the limiting plates (23), of the pair of limiting plates, and one ends, far away from the corresponding side, of the limiting grooves (230) of the rotating supporting plates (21) are not sealed; the vertical limiting plate (24) is in a cylindrical plate shape, and a pair of limiting blocks (241) which are uniformly distributed on the circumference and are matched with the limiting grooves (230) are formed on the cylindrical surface; a plurality of groups of connecting groups with the same shaft and different diameters are formed on the vertical limiting plate (24); the connecting group comprises a plurality of connecting through holes (240) which are uniformly distributed on the circumference and are used for the vertical support connecting rods (25) to vertically penetrate through; two ends of the vertical support connecting rod (25) are respectively screwed with a vertical limit nut (26);

a lifting driving threaded rod (22) is pivoted between the upper side wall and the lower side wall of the lifting groove (210); a lifting driving motor is fixed on the upper side wall of the lifting groove (210); the upper end of the lifting driving threaded rod (22) is fixedly connected with the lower end of an output shaft of the lifting driving motor; external thread parts with opposite rotation directions are formed at the upper end and the lower end of the lifting driving threaded rod (22); a pair of limiting plates (23) at the same side are screwed on different external thread parts of the same lifting driving threaded rod (22).

2. The auxiliary overturning device for the pump body of the water ring vacuum pump according to claim 1, wherein: a turnover rotating motor is fixed on the rear end face of the supporting seat (10); the rotary support plate (21) at the rear side is fixed at the front end of the output shaft of the turnover rotary motor.

3. The auxiliary overturning device for the pump body of the water ring vacuum pump according to claim 1, wherein: the rotation central shaft of the rotation support plate (21) is positioned on the symmetrical plane of the rotation support plate (21); the pair of stopper plates (23) are provided symmetrically with respect to the horizontal plane of symmetry of the rotating support plate (21).

4. The auxiliary overturning device for the pump body of the water ring vacuum pump according to claim 1, wherein: the upper end surface and the lower end surface of the rotary supporting plate (21) are formed into arc surfaces and are coaxially arranged with the same diameter; the rotation center axis of the rotation support plate (21) is collinear with the rotation center axis of the upper and lower end surfaces of the rotation support plate (21).

5. The auxiliary overturning device for the pump body of the water ring vacuum pump according to claim 1, wherein: the number of the connection through holes (240) of the same connection group is at least four.

6. The auxiliary overturning device for the pump body of the water ring vacuum pump according to claim 1, wherein: when the pair of vertical limiting plates (24) are farthest away, the pair of vertical limiting plates (24) do not interfere with the horizontal part of the supporting seat (10) in the rotating process of the pair of rotating supporting plates (21).

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