CN213561885U - High-precision impeller polishing equipment - Google Patents

Abstract

The utility model provides a high accuracy impeller polishing equipment, this equipment comprises auxiliary part, screw mechanism part, shifter part and workspace part, and the during operation drives bevel gear through the motor and rotates, and bevel gear drives screw mechanism and rotates to it reciprocates to drive the nozzle, and on the other hand, the pneumatic cylinder promotes the rack and removes, and rack and gear engagement drive the shifter rotation, thereby change the nozzle for the position of impeller, realized the multi-angle processing of impeller, especially the blind area at the blade back. This equipment fixing is convenient, easy operation, and work safe and reliable is fit for carrying out abrasive flow precision finishing to the impeller to can two impellers of simultaneous processing, improved production efficiency.

Description

High-precision impeller polishing equipment

Technical Field

The utility model relates to an abrasive flow processing technology field specifically is a high accuracy impeller polishing equipment.

Background

The impeller is a key part of the centrifugal pump, the impeller of the centrifugal pump transfers the energy of a prime mover to liquid in the pump through the action of centrifugal force, so that the speed and the pressure of the liquid are increased, the liquid in the pump is driven to be discharged, and the liquid in an inlet pipeline is sucked in. The impeller is mainly made of gray iron 250, stainless steel and ductile iron 450, and is generally 304 or 316 in life. The impeller is complex in structure and is composed of a plurality of bent blades, and the blades are non-developable twisted straight-line surfaces, so that certain difficulty exists in the traditional mechanical precision machining, and better polishing can be realized by adopting an abrasive flow precision machining technology.

Abrasive Flow Machining (AFM), also known as extrusion honing, is a novel process technology for performing finish Machining such as surface polishing, chamfering and deburring on a workpiece under pressure by using a flowable viscoelastic polymer loaded with an Abrasive. The processing technology is particularly suitable for removing and polishing the burrs of the inaccessible areas such as complex surfaces of the inner cavity of the workpiece, internal crossed holes and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the difficult problem of precision finishing impeller, the utility model provides a high accuracy impeller polishing equipment, utilize the slide rail of nut in the screw mechanism to slide in the spout of spirochaeta shell and the axiality of spirochaeta and nut, avoid taking place skew in the motion process, guarantee that nozzle axis and centering support axis are in same vertical plane, utilize in the shifter mechanism to make the nozzle rotate through rack and pinion meshing, change the relative position of nozzle and impeller, can realize multi-angle processing, especially, process the blade back, utilize the support, the round pin, the accurate location of nozzle is realized to the screw-thread fit of link and centering support, utilize four clips and nut and support, the clamping of support and step shaft screw-thread fit realization impeller, avoid the impeller to take place the swing in the course of working. During machining, abrasive flow enters from a nozzle inlet, flows into the nozzle through the flow distribution plate and flows out from a nozzle outlet of the linear array, so that the abrasive flow is uniformly sprayed on the impeller, and in the abrasive flow machining process, the hydraulic motor is matched to drive the impeller to rotate, so that the polishing is more uniform, the polishing machining of the surface and the back of the impeller is realized, and the residual stress is reduced.

In order to solve the technical problem, the utility model provides a following technical scheme: the high-precision impeller polishing equipment is characterized by comprising an auxiliary part, a spiral mechanism part, a conversion mechanism part and a working area part, wherein the auxiliary part comprises a workbench, a supporting frame, a sliding rail, a cover, a connecting rod, a screw matched with the connecting rod, a discharge port, a double-rod hydraulic cylinder, a matched bolt and a pin, the spiral mechanism part comprises a motor, a bevel gear, a fixing plate, a spiral shell, a spiral body, a nut matched with the spiral body, a spiral body protective cover and a matched screw, the conversion mechanism part comprises a supporting body, a rolling body support, a screw matched with the rolling body support, a conversion mechanism outer cover, a rack, a single-rod hydraulic cylinder, a fixing support, a matched bolt and a matched screw, the working area part comprises a nozzle part and an impeller part, and the nozzle part comprises a support, a connecting frame and a pin matched with the, The centering bracket and the nozzle are combined, the impeller part comprises an impeller, a clamp body, a key matched with the clamp body and a hydraulic motor, and the clamp body comprises a clamp, a nut matched with the clamp body, a fixing frame and a screw matched with the fixing frame.

Further, as preferred, the auxiliary part comprises workstation, braced frame, slide rail, lid, discharge gate, connecting rod and complex screw, double-rod pneumatic cylinder and cooperation bolt with it, workstation, support holder, connecting rod, double-rod pneumatic cylinder are equipped with the through-hole and are connected with the workstation through the bolt cooperation, slide rail, lid are equipped with the screw hole and are connected with workstation, connecting rod respectively through the screw cooperation, the discharge gate be equipped with the external screw thread and with workstation threaded connection.

Further, as preferred, the screw mechanism part comprises motor, bevel gear, fixed plate, spiral body shell, spirochaeta and nut, spirochaeta safety cover and the cooperation screw with it complex, motor, fixed plate are equipped with the through-hole and are connected with braced frame through the bolt-up, the spiral body shell is equipped with the screw hole and is connected with the fixed plate through screw-thread fit, the inside four spouts that are equipped with of spirochaeta shell, bevel gear is connected through the key with the spirochaeta, the inside internal thread that is equipped with of nut and with spirochaeta spiral connection, the outside is equipped with four slide rails and the inside four spouts cooperation of spirochaeta shell, and the purpose keeps the axle center not skew when guaranteeing that the nut reciprocates, and the lower part is equipped with the screw hole and is. The upper part of the spiral body protective cover is provided with a through hole, the lower part of the spiral body protective cover is provided with a circular sliding chute, and the side surface of the spiral body protective cover is provided with four threaded holes in a circumferential array.

Preferably, the conversion mechanism part comprises a support body, a rolling body support, a screw matched with the rolling body support, a conversion mechanism outer cover, a rack, a single-rod hydraulic cylinder, a fixed support, a matched bolt and a matched screw, wherein the upper surface and the lower surface of the support body are respectively provided with a circular chute and six threaded holes in a circular array, a gear shaft is arranged below the support body, the bottom of the gear shaft is provided with four threaded holes in a circular array, the gear shaft is meshed with the rack, the bottom of the rack is provided with a trapezoidal groove, the side surface of the rack is provided with four threaded holes and is connected with the single-rod hydraulic cylinder through the screw matching, the bottom of the hydraulic cylinder is provided with four through holes and is connected with the fixed support through the bolt matching, the fixed support is provided with through holes and is connected with the workbench and the single-rod hydraulic cylinder through, a circular sliding groove is formed in the lower portion of the outer cover of the switching mechanism, and four circumferential array through holes are formed in the outer portion of the outer cover of the switching mechanism and connected with the spiral body protective cover through screws.

Further, preferably, the working area part comprises a nozzle part and an impeller part, the nozzle part comprises a support, a connecting frame, a pin, a centering support and a nozzle, the pin, the centering support and the nozzle are matched with the support, the bottom of the support is provided with four through holes, the middle of the support is provided with two separated thin plates, the upper parts of the thin plates are provided with circular through holes, the connecting frame is two separated cylinders with the same diameter, the middle of each cylinder is provided with the thin plate, one of the cylinders is provided with the through hole and connected with the pin, the other cylinder is provided with a threaded hole, the centering support is provided with a semicircular thin wall, the bottom of the centering support is provided with a screw rod, two abrasive particle inflow ports are arranged above. The impeller part comprises an impeller, a clamp body, a key matched with the clamp body and a hydraulic motor, wherein the clamp body comprises a clamp, a nut matched with the clamp body, a fixing frame and a screw matched with the fixing frame. The hydraulic motor is equipped with the step shaft, the step shaft is equipped with four screw holes and two keyways, the mount is equipped with four major diameter through-holes and four minor diameter through-holes and is connected with clip and hydraulic motor's step shaft through screw-thread fit respectively, be equipped with four screw holes of two keyways, circumference array on the step shaft, the hydraulic motor bottom is equipped with the through-hole and is connected with the workstation with the bolt cooperation.

Drawings

FIG. 1 is a schematic view of the overall assembly of a high-precision impeller polishing apparatus

FIG. 2 is a schematic view of the interior of the workbench

FIG. 3 is a partially exploded view of the screw mechanism

FIG. 4 is a partially exploded view of the conversion mechanism

FIG. 5 is an exploded view of the nozzle section

FIG. 6 is a partially exploded view of the impeller

FIG. 7 is a schematic view of a fixing plate

FIG. 8 is a schematic view of a spiral body

FIG. 9 is a schematic cross-sectional view of the spiral body housing

FIG. 10 is a schematic view of a nut

FIG. 11 is a schematic view of a screw protection cover

FIG. 12 is a schematic view of a rolling element supporter

FIG. 13 is a schematic view of a shift mechanism housing

FIG. 14 is a schematic view of a support

FIG. 15 is a rack view

FIG. 16 is a schematic view of a fixing support

FIG. 17 is a schematic view of a lid

FIG. 18 is a schematic view of a connecting rod

FIG. 19 is a schematic view of a nozzle

FIG. 20 is a schematic view of a stand

FIG. 21 is a schematic view of a connection rack

FIG. 22 is a schematic view of a centering fixture

FIG. 23 is a clip diagram

FIG. 24 is a schematic view of a fixing frame

FIG. 25 is a schematic view of a discharge port

In the figure: 1. the device comprises a workbench, 2, a hydraulic motor, 3, a slide rail, 4, a cover, 4-1, a chute, 4-2, four threaded holes, 4-3, a semicircular through hole, 4-4, four through holes matched with a fixed support, 5, a supporting frame, 6, a single-rod hydraulic cylinder, 7, a fixed support, 7-1, four through holes matched with the workbench, 7-2, four through holes matched with the single-rod hydraulic cylinder, 7-3, a trapezoidal slide rail, 8, a fixing plate, 8-1, four through holes matched with a spiral body shell, 8-2, four through holes matched with the fixing plate and the supporting frame, 9, a bevel gear, 10, a motor, 11, a spiral body shell, 11-1, through holes matched with a spiral body shell and a spiral body, 11-2, through holes matched with the spiral body shell and the fixing plate, 11-3 parts of a spiral body shell, a sliding groove matched with a nut sliding rail, 12 parts of a spiral body protective cover, 12-1 parts of four threaded holes, 12-2 parts of four through holes, 12-3 parts of a circular sliding groove, 13 parts of a conversion mechanism shell, 13-1 parts of a circumferential array of four through holes, 13-2 parts of a circular sliding groove, 13-3 parts of a through hole, 14 parts of a rack, 14-1 parts of four threaded holes, 14-2 parts of a trapezoidal groove, 15 parts of a gear shaft, 15-1 parts of a circumferential array of six through holes, 15-2 parts of a circular flower groove, 15-3 parts of a gear, 15-4 parts of a circumferential array of four threaded holes 16 parts of a connecting rod, 16-1 parts of four through holes, 16-2 parts of a sliding groove, 17 parts of a double-rod hydraulic cylinder, 18 parts of a spiral body, 18-1 parts, 19-2 parts of nut sliding rails, 19-3 parts of threaded holes matched with nuts and spiral bodies, 20 parts of four threaded holes of the nuts, a discharge port, 21 parts of a fixing frame, 21-1 parts of four through holes matched with a clamp, 21-2 parts of four through holes matched with a stepped shaft, 22 parts of the clamp, 23 parts of a nozzle, 23-1 parts of a nozzle inlet, 23-2 parts of a linear array nozzle outlet, 23-3 parts of a blind hole, 23-4 parts of four threaded holes of a circumferential array, 24 parts of an impeller, 25 parts of a support, 25-1 parts of a working table, 25-2 parts of four through holes matched with the working table, 26 parts of a centering support, 27 parts of a rolling body, 28 parts of a rolling body support, 28-1 parts of a rolling body cavity, 28-2 parts of six through holes of the circumferential array, 28-3 parts of the through holes, 29 parts of a connecting, Through hole, 29-2, threaded hole.

Detailed Description

The utility model provides a high accuracy impeller polishing equipment combines the utility model discloses the drawing in the embodiment below, is right the utility model discloses technical scheme in the embodiment carries out clear, complete description, and the embodiment that obviously describes is only the utility model discloses a part of embodiment, rather than whole embodiment. Based on the embodiments in the present invention, other embodiments obtained by a person of ordinary skill in the art without creative work all belong to the protection scope of the present invention.

The utility model discloses mainly there is four bibliographic categories to form, is auxiliary component, screw mechanism part, shifter part, workspace part respectively. Because of the utility model discloses a composite construction, the event adopts by supreme installation order down. The auxiliary part comprises a workbench (1), a supporting frame (5), a sliding rail (3), a cover (4), a discharge port (20), a connecting rod (16) and a screw matched with the connecting rod, a double-rod hydraulic cylinder (17), a matched bolt and a pin, wherein the supporting frame (5) is fixed on the workbench (1) in a matched mode through the bolt, the sliding rail (3) is fixed on the workbench (1) in a matched mode through the screw, a sliding groove (4-1) of the cover (4) is matched with the sliding rail (3), the connecting rod (16) is fixed on the cover (4) through the screw, the double-rod hydraulic cylinder (17) is fixed on the workbench (1) through the bolt, a push rod of the hydraulic cylinder is connected with the connecting rod (16) through the pin, and the discharge port (20) is connected to the bottom of the workbench (1) through the screw, so that the auxiliary part of the equipment is.

The working area part comprises a nozzle part and an impeller part, the nozzle part comprises a support (25), a connecting frame (29), a pin matched with the support, a centering support (26) and a nozzle (23), the support (25) is connected with the working table (1) through bolt matching, the connecting frame (29) is connected onto the support (25) through the pin, the centering support (26) is connected onto the connecting frame (29) through threads, and then the nozzle (23) and the centering support (26) are coaxially tangent. The impeller part comprises an impeller (24), a clamp body, a key matched with the clamp body and a hydraulic motor (2), wherein the clamp body comprises a clamp (22), a nut matched with the clamp body, a fixing frame (21) and a screw matched with the fixing frame, the hydraulic motor (2) is connected to a workbench (1) through a bolt, the fixing frame (21) is fixed on a stepped shaft of the hydraulic motor (2) through the key and the matching screw, the impeller (24) is fixed on the stepped shaft through the key, and the clamp (22) and the matching nut clamp the impeller (24) on the fixing frame (21), so that the installation work of the working area part of the equipment is realized.

The conversion mechanism part comprises a support body (15), a rolling body (27), a rolling body support (28), a screw matched with the rolling body support, a conversion mechanism outer cover (13), a rack (14), a single-rod hydraulic cylinder (6), a fixed support (7), a matched bolt and a matched screw, wherein the rolling body (27) is placed in a rolling body hole (28-1) on the rolling body support (28), the rolling body support (28) is connected with the support body (15) through the screw, a sliding groove (13-2) in the conversion mechanism outer cover (13) is tangent to the rolling body (27), the fixed support (7) is fixed on a cover (4) through the bolt in a matched mode, the single-rod hydraulic cylinder (6) is fixed on the fixed support (7) through the bolt, the rack (14) is connected on a push rod of the single-rod hydraulic cylinder (6) through the screw, and a trapezoidal groove (14-2) at the bottom of the rack (14) and a trapezoidal sliding rail (7-2) on the fixed And the rack (14) is meshed with the gear (15-3) on the support body (15), then the stepped shaft at the bottom of the support body (15) is embedded into the blind hole (23) on the nozzle (23), and the stepped shaft and the blind hole are fixed through screw fit, so that the mounting work of the conversion mechanism part of the equipment is realized.

The spiral mechanism part comprises a motor (10), a bevel gear (9), a fixing plate (8), a spiral body shell (11), a spiral body (18), a nut (19) matched with the spiral body shell, a spiral body protective cover (12) and a matched screw, wherein the motor (10) is connected to a supporting frame (5) in a matched mode through a bolt, the bevel gear (1) (9) is connected to a shaft of the motor (10) through a key and enables the shaft to be in interference fit with a hole, the bevel gear (2) (9) is connected to the shaft of the spiral body (18) through the key and enables the shaft to be in interference fit with the hole, then the fixing plate (8) is connected with the supporting frame (5) through the bolt, the fixing plate (8) is fixed to the spiral body shell (11) through the bolt connection, then the nut (19) is in spiral fit with the spiral body, and a sliding rail (19-1) on the nut is tangent to a sliding groove, then, a spiral body protective cover (12) is connected to the nut (19) through screws, meanwhile, a circular chute (12-3) at the bottom of the spiral body protective cover is tangent to the rolling body (27), and a conversion mechanism outer cover (13) is connected to the spiral body protective cover (12) through screws, so that the installation work of the conversion mechanism part of the equipment is realized.

The auxiliary part of this equipment can prevent that liquid from splashing in the course of the work to discharge the waste material, the screw mechanism part can realize that the nozzle reciprocates, the installation and the dismantlement of the impeller of being convenient for, the relative position of nozzle and impeller can be changed to the shifter part, can realize the multi-angle processing impeller, especially the blind area at the blade back, the workspace part can make the impeller rotate in the course of the work, makes processing more even.

When the device is operated, firstly, the impeller (24) is confirmed to be clamped and can rotate, then the motor (10) is electrified, the cover is closed through the double-rod hydraulic cylinder and is adjusted through the screw mechanism part and the switching mechanism part, when the nozzle (23) is placed on the centering bracket (26), then the hydraulic motor is electrified, the impeller (24) starts to rotate, the abrasive flow fluid is communicated to the nozzle inlet (23-1), and finally, the abrasive flow precision machining of the impeller is started.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The high-precision impeller polishing equipment is characterized by comprising an auxiliary part, a spiral mechanism part, a conversion mechanism part and a working area part, wherein the auxiliary part comprises a workbench, a supporting frame, a sliding rail, a cover, a connecting rod, a screw matched with the connecting rod, a discharge port, a double-rod hydraulic cylinder, a matched bolt and a pin, the spiral mechanism part comprises a motor, a bevel gear, a fixing plate, a spiral shell, a spiral body, a nut matched with the spiral body, a spiral body protective cover and a matched screw, the conversion mechanism part comprises a supporting body, a rolling body support, a screw matched with the rolling body support, a conversion mechanism outer cover, a rack, a single-rod hydraulic cylinder, a fixing support, a matched bolt and a matched screw, the working area part comprises a nozzle part and an impeller part, and the nozzle part comprises a support, a connecting frame and a pin matched with the, The centering bracket and the nozzle are combined, the impeller part comprises an impeller, a clamp body, a key matched with the clamp body and a hydraulic motor, and the clamp body comprises a clamp, a nut matched with the clamp body, a fixing frame and a screw matched with the fixing frame.

2. A high-precision impeller polishing apparatus according to claim 1, wherein: the auxiliary part comprises workstation, braced frame, slide rail, lid, connecting rod and complex screw, discharge gate, two pole pneumatic cylinders and cooperation bolt with it, workstation, support holder, connecting rod, two pole pneumatic cylinders are equipped with the through-hole and are connected with the workstation through the bolt cooperation, and the bottom is equipped with the hole, slide rail, lid are equipped with the screw hole and are connected with workstation, connecting rod respectively through the screw cooperation, the discharge gate be equipped with the external screw thread and with workstation threaded connection.

3. A high-precision impeller polishing apparatus according to claim 1, wherein: the spiral mechanism part consists of a motor, a bevel gear, a fixing plate, a spiral body shell, a spiral body, a nut matched with the spiral body, a spiral body protective cover and a matched screw, the motor and the fixing plate are provided with through holes and are connected with the supporting frame through bolt matching, the spiral body shell is provided with threaded holes and is connected with the fixing plate through thread matching, four sliding chutes are arranged inside the spiral body shell, the bevel gear is connected with the spiral body through a key, the nut is internally provided with internal threads and is in spiral connection with the spiral body, the outer part of the nut is provided with four sliding rails which are matched with four sliding grooves in the spiral body shell so as to ensure that the axis does not deviate when the nut moves up and down, the lower part of the nut is provided with a threaded hole and is connected with the spiral body protective cover through screw matching, the upper part of the spiral body protective cover is provided with a through hole, the lower part of the spiral body protective cover is provided with a circular sliding chute, and the side surface of the spiral body protective cover is provided with four threaded holes in a circumferential array.

4. A high-precision impeller polishing apparatus according to claim 1, wherein: the conversion mechanism part consists of a support body, a rolling body bracket, a screw matched with the rolling body bracket, a conversion mechanism outer cover, a rack, a single-rod hydraulic cylinder, a fixed support, a matched bolt and a matched screw, wherein the upper surface and the lower surface of the support body are respectively provided with a circular chute and six screw holes in a circumferential array, a gear shaft is arranged below the support body, the bottom of the gear shaft is provided with four screw holes in a circumferential array, the gear shaft is meshed with the rack, the bottom of the rack is provided with a trapezoidal groove, the side surface of the rack is provided with four screw holes and is connected with the single-rod hydraulic cylinder by screw matching, the bottom of the hydraulic cylinder is provided with four through holes and is connected with the fixed support by bolt matching, the fixed support is provided with through holes and is connected with a workbench and the single-rod, a circular sliding groove is formed in the lower portion of the outer cover of the switching mechanism, and four circumferential array through holes are formed in the outer portion of the outer cover of the switching mechanism and connected with the spiral body protective cover through screws.

5. A high-precision impeller polishing apparatus according to claim 1, wherein: the working area part consists of a nozzle part and an impeller part, the nozzle part consists of a support, a connecting frame, a pin matched with the connecting frame, a centering support and a nozzle, four through holes are formed in the bottom of the support, two thin plates which are separated from each other are arranged in the middle of the support, a circular through hole is formed in the upper portion of each thin plate, the connecting frame is two cylinders which are separated from each other and have the same diameter, the thin plates are arranged in the middle of the cylinders, one of the cylinders is provided with a through hole and connected with the pin, the other cylinder is provided with a threaded hole, the centering support is provided with a semicircular thin wall, a screw rod is arranged at the bottom of the centering support, two abrasive particle inlets are arranged above the nozzle, a flow distribution plate is arranged inside the nozzle, linear array nozzles are arranged on the side face of the nozzle, the impeller part consists of an impeller, a, the hydraulic motor is equipped with the step shaft, the step shaft is equipped with four screw holes and two keyways, the mount is equipped with four major diameter through-holes and four minor diameter through-holes and is connected with clip and hydraulic motor's step shaft through screw-thread fit respectively, be equipped with four screw holes of two keyways, circumference array on the step shaft, the hydraulic motor bottom is equipped with the through-hole and is connected with the workstation with the bolt cooperation.

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