CN217433745U

CN217433745U - Clamp for machining multistage impeller

Info

Publication number: CN217433745U
Application number: CN202221340085.4U
Authority: CN
Inventors: 张建业
Original assignee: Cangzhou Yongli Mechanical Products Co ltd
Current assignee: Cangzhou Yongli Mechanical Products Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-16
Anticipated expiration: 2032-05-31

Abstract

The utility model provides an anchor clamps are used in processing of multistage impeller, the mounting panel comprises a mounting plate, one side of mounting panel is equipped with the location axle, the location axle passes through the bearing to be fixed on the mounting panel, the side of location axle is equipped with the locating plate, the locating plate is fixed epaxially in the location, the holding tank has been seted up to the one end that the mounting panel was kept away from to the locating plate, the holding tank embeds there is the pivot, the both ends of pivot are passed through the bearing and are fixed on the holding tank, and the top of pivot runs through the locating plate, the both ends of pivot are equipped with first external screw thread and second external screw thread respectively, first external screw thread and second external screw thread surface all are equipped with the connecting block, the connecting block respectively with first external screw thread and second external screw thread threaded connection, the one end that the locating plate was kept away from to the connecting block is installed the fixed plate, the cover has impeller body on the fixed plate. This application can fix the impeller body centre gripping through the cooperation of stop collar and locating plate, avoids the impeller body to rock man-hour, improves the result of use.

Description

Clamp for machining multistage impeller

Technical Field

The utility model belongs to the technical field of the impeller processing, especially indicate a multistage anchor clamps for impeller processing.

Background

The impeller not only refers to a wheel disc provided with movable blades, and is a component of an impulse steam turbine rotor, but also refers to a general name of the wheel disc and the rotating blades arranged on the wheel disc, in the process of machining the multistage impeller, the impeller needs to be clamped and fixed through a clamp so as to avoid poor machining precision caused by shaking in machining, the existing clamp usually fixes the impeller on a positioning shaft through a threaded head, when the impeller is machined, a threaded sleeve is easy to loosen, the impeller shakes, the size of the positioning shaft of the existing clamp cannot be adjusted, the size of the positioning shaft cannot be adjusted according to the size of the impeller, the using effect is poor, and therefore the clamp for machining the multistage impeller is provided.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of above prior art, the utility model provides a multistage anchor clamps for impeller processing.

The technical scheme of the utility model is realized like this:

a clamp for processing a multistage impeller comprises a mounting plate, wherein one side of the mounting plate is provided with a positioning shaft, the positioning shaft is fixed on the mounting plate through a bearing, the side surface of the positioning shaft is provided with a positioning plate, the positioning plate is fixed on the positioning shaft, one end of the positioning plate, far away from the mounting plate, is provided with a containing tank, a rotating shaft is arranged in the containing tank, two ends of the rotating shaft are fixed on the containing tank through the bearing, the top of the rotating shaft penetrates through the positioning plate, two ends of the rotating shaft are respectively provided with a first external thread and a second external thread, the surfaces of the first external thread and the second external thread are respectively provided with a connecting block, the connecting blocks are respectively in threaded connection with the first external thread and the second external thread, one end of the connecting block, far away from the positioning plate, is provided with a fixing plate, the fixed plate is sleeved with an impeller body, one end, far away from the positioning plate, is sleeved with a limiting sleeve, one end of the fixing plate, close to the limiting sleeve is connected with a threaded sleeve, the threaded sleeve is screwed on the fixed plate, and one end of the threaded sleeve close to the limiting sleeve is contacted with the end part of the limiting sleeve;

the one end equidistance that the mounting panel was kept away from to the locating plate has seted up at least three through-hole, and the through-hole embeds there is the connecting rod, and the one end fixed mounting that the mounting panel was kept away from to the connecting rod has the go-between, and the one end that the locating plate was kept away from to the go-between contacts in the tip of impeller body.

Preferably, the surfaces of the first external thread and the second external thread are provided with supporting plates, and the free ends of the supporting plates are fixed on the fixing plate.

Preferably, flat key blocks are arranged on two sides of the inner wall of the limiting sleeve, key grooves are formed in two sides of the fixing plate, and the flat key blocks are arranged in the key grooves;

a plurality of stoppers are installed to the one end equidistance that the stop collar is close to impeller body, and the one end that the stopper is close to impeller body is arranged in impeller body blade clearance.

Preferably, a spring is arranged in the through hole, one end of the spring is fixed at the end part of the through hole, and the other end of the spring is fixed at the end part of the connecting rod.

Preferably, one end of the connecting rod, which is close to the positioning plate, extends to form a retaining ring, an anti-dropping ring is arranged at the opening of the through hole, the anti-dropping ring is fixed on the inner wall of the through hole, and one end of the anti-dropping ring, which is close to the positioning plate, contacts with the end part of the retaining ring.

Preferably, a handle is mounted on the top of the rotating shaft.

Compared with the prior art, the utility model discloses a rotate the position that the pivot can adjust two fixed plates under the effect of first external screw thread and second external screw thread for the fixed plate supports impeller body, then overlap the stop collar on the fixed plate, connect the thread bush on the fixed plate soon, rotatory thread bush, the thread bush promotes impeller body through the limiting plate and removes to make impeller body tightly support on the go-between, the extrusion spring, prevent that the thread bush pine from taking off, thereby accomplish fixedly, it is fixed firm, avoid the impeller to rock man-hour, and the use effect is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the fixture for machining a multistage impeller provided by the present invention.

Fig. 2 is the utility model provides a locating plate structure sketch map of anchor clamps for multistage impeller processing.

In the figure: 1. mounting a plate; 2. positioning the shaft; 3. positioning a plate; 4. accommodating grooves; 5. a rotating shaft; 6. a first external thread; 7. a second external thread; 8. connecting blocks; 9. a fixing plate; 10. an impeller body; 11. a limiting sleeve; 12. a threaded sleeve; 13. a through hole; 14. a connecting rod; 15. a connecting ring; 16. a support plate; 17. a flat key block; 18. a keyway; 19. a limiting block; 20. a spring; 21. a baffle ring; 22. the anti-drop ring; 23. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a clamp for machining a multistage impeller comprises a mounting plate 1, wherein a positioning shaft 2 is arranged on one side of the mounting plate 1, the positioning shaft 2 is fixed on the mounting plate 1 through a bearing, and the positioning shaft 2 is connected with an external power mechanism and can drive a positioning plate 3 to rotate so as to drive an impeller body 10 to rotate, so that the impeller body 10 can be conveniently machined;

the positioning plate 3 is arranged on the side face of the positioning shaft 2, the positioning plate 3 is fixed on the positioning shaft 2, one end, far away from the mounting plate 1, of the positioning plate 3 is provided with a containing groove 4, a rotating shaft 5 is arranged in the containing groove 4, two ends of the rotating shaft 5 are fixed on the containing groove 4 through bearings, the top of the rotating shaft 5 penetrates through the positioning plate 3, two ends of the rotating shaft 5 are respectively provided with a first external thread 6 and a second external thread 7, connecting blocks 8 are respectively arranged on the surfaces of the first external thread 6 and the second external thread 7, the connecting blocks 8 are respectively in threaded connection with the first external thread 6 and the second external thread 7, the rotating directions of the first external thread 6 and the second external thread 7 are opposite, the two connecting blocks 8 can be relatively moved under the action of the first external thread 6 and the second external thread 7 through rotating the rotating shaft 5, and therefore the distance between the two fixing plates 9 can be adjusted according to the type of the impeller body 10;

one end of the connecting block 8, which is far away from the positioning plate 3, is provided with a fixing plate 9, the fixing plate 9 is sleeved with an impeller body 10, the position of the fixing plate 9 can be adjusted according to the type of the impeller body 10, so that the fixing plate 9 is in close contact with the inner ring of the impeller body 10, the impeller body 10 is supported, and the impeller body 10 is prevented from jumping during processing;

a limiting sleeve 11 is sleeved at one end, far away from the positioning plate 3, of the fixing plate 9, a threaded sleeve 12 is connected at one end, close to the limiting sleeve 11, of the fixing plate 9, the threaded sleeve 12 is screwed on the fixing plate 9, one end, close to the limiting sleeve 11, of the threaded sleeve 12 is in contact with the end portion of the limiting sleeve 11, and the limiting sleeve 11 is pushed by rotating the threaded sleeve 12, so that the limiting sleeve 11 is tightly abutted to the impeller body 10, the impeller body 10 is fixed, the fixing is stable, and the impeller body 10 is prevented from shaking during processing;

at least three through-hole 13 has been seted up to the one end equidistance that mounting panel 1 was kept away from to locating plate 3, through-hole 13 embeds there is connecting rod 14, and the one end fixed mounting that mounting panel 1 was kept away from to connecting rod 14 has go-between 15, and the one end that locating plate 3 was kept away from to go-between 15 contacts in the tip of impeller body 10, can support impeller body 10 through go-between 15, increases the stability that impeller body 10 connects, improves the installation effectiveness.

When the impeller is fixed, the impeller body 10 is sleeved on the fixing plate 9, then the rotating shaft 5 is rotated through the handle 23, the two connecting blocks 8 move relatively under the action of the first external thread 6 and the second external thread 7, so that the fixing plate 9 is driven to move, the surface of the fixing plate 9 is in contact with the inner ring of the impeller body 10, then the limiting sleeve 11 is sleeved on the fixing plate 9, the flat key block 17 is moved into the key groove 18, the limiting sleeve 11 is pushed, the limiting block 19 at the end part of the limiting sleeve 11 is moved into the gap between the blades of the impeller body 10, the impeller body 10 is limited, then the threaded sleeve 12 is screwed on the fixing plate 9, the threaded sleeve 12 is rotated, the limiting sleeve 11 is pushed to move, so that the limiting sleeve 11 extrudes the impeller body 10, the impeller body 10 is tightly abutted to the connecting ring 15, the spring 20 is compressed to the utmost, and the threaded sleeve 12 can be prevented from loosening under the action of the spring 20, thereby preventing the impeller body 10 from shaking during processing and improving the use effect.

Furthermore, as shown in fig. 1, the surfaces of the first external thread 6 and the second external thread 7 are provided with a supporting plate 16, the free end of the supporting plate 16 is fixed on the fixing plate 9, the connecting strength between the connecting block 8 and the fixing plate 9 can be increased through the supporting plate 16, the fixing plate 9 is prevented from falling off in the using process, and the using effect is improved.

Further, as shown in fig. 1, flat key blocks 17 are mounted on two sides of the inner wall of the position limiting sleeve 11, key grooves 18 are formed in two sides of the fixing plate 9, the flat key blocks 17 are placed in the key grooves 18, and the position between the position limiting sleeve 11 and the fixing plate 9 can be limited through the flat key blocks 17 and the key grooves 18, so that the position limiting sleeve 11 is prevented from rotating relative to the fixing plate 9 when in use, and the processing of the impeller body 10 is prevented from being influenced;

a plurality of stopper 19 are installed to the one end equidistance that stop collar 11 is close to impeller body 10, and in impeller body 10 blade clearance was arranged in to the one end that stopper 19 is close to impeller body 10, can carry on spacingly between stop collar 11 and the impeller body 10 through stopper 19, avoid impeller body 10 to rotate for stop collar 11 to influence the processing of impeller body 10.

Further, as shown in fig. 1, a spring 20 is disposed inside the through hole 13, one end of the spring 20 is fixed to the end of the through hole 13, and the other end of the spring 20 is fixed to the end of the connecting rod 14, so that the threaded sleeve 12 is prevented from loosening during connection by the elastic force of the spring 20, thereby increasing the fixing effect of the impeller body 10.

Furthermore, as shown in fig. 1, a retaining ring 21 is extended from one end of the connecting rod 14 close to the positioning plate 3, an anti-slip ring 22 is disposed at an opening of the through hole 13, the anti-slip ring 22 is fixed on an inner wall of the through hole 13, and one end of the anti-slip ring 22 close to the positioning plate 3 contacts with an end of the retaining ring 21, so that the connecting rod 14 is prevented from being separated from the through hole 13 under the cooperation of the retaining ring 21 and the anti-slip ring 22, and the connecting ring 15 is prevented from falling off to affect the fixation of the impeller body 10.

Further, as shown in fig. 1, a handle 23 is mounted on the top of the rotating shaft 5, and the rotating difficulty of the rotating shaft 5 can be reduced by the handle 23, so that the use is convenient.

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

1. The clamp for machining the multistage impeller comprises a mounting plate (1) and is characterized in that a positioning shaft (2) is arranged on one side of the mounting plate (1), the positioning shaft (2) is fixed on the mounting plate (1) through a bearing, a positioning plate (3) is arranged on the side face of the positioning shaft (2), the positioning plate (3) is fixed on the positioning shaft (2), one end, far away from the mounting plate (1), of the positioning plate (3) is provided with a containing groove (4), a rotating shaft (5) is arranged in the containing groove (4), two ends of the rotating shaft (5) are fixed on the containing groove (4) through bearings, the top of the rotating shaft (5) penetrates through the positioning plate (3), two ends of the rotating shaft (5) are respectively provided with a first external thread (6) and a second external thread (7), connecting blocks (8) are arranged on the surfaces of the first external thread (6) and the second external thread (7), and are respectively in threaded connection with the first external thread (6) and the second external thread (7), a fixing plate (9) is mounted at one end, far away from the positioning plate (3), of the connecting block (8), an impeller body (10) is sleeved on the fixing plate (9), a limiting sleeve (11) is sleeved at one end, far away from the positioning plate (3), of the fixing plate (9), a threaded sleeve (12) is connected to one end, close to the limiting sleeve (11), of the fixing plate (9), the threaded sleeve (12) is connected to the fixing plate (9) in a screwing mode, and one end, close to the limiting sleeve (11), of the threaded sleeve (12) is in contact with the end portion of the limiting sleeve (11);

locating plate (3) keep away from the one end equidistance of mounting panel (1) and seted up at least three through-hole (13), and through-hole (13) embed has connecting rod (14), and the one end fixed mounting that mounting panel (1) was kept away from in connecting rod (14) has go-between (15), and the one end that locating plate (3) were kept away from in go-between (15) contacts in the tip of impeller body (10).

2. The multi-stage impeller machining fixture according to claim 1, wherein the surfaces of the first external thread (6) and the second external thread (7) are provided with support plates (16), and free ends of the support plates (16) are fixed on the fixing plate (9).

3. The clamp for machining the multistage impeller according to claim 1, wherein flat key blocks (17) are mounted on two sides of the inner wall of the limiting sleeve (11), key grooves (18) are formed in two sides of the fixing plate (9), and the flat key blocks (17) are arranged in the key grooves (18);

a plurality of limiting blocks (19) are installed to one end of the limiting sleeve (11) close to the impeller body (10) at equal intervals, and one end of each limiting block (19) close to the impeller body (10) is arranged in a blade gap of the impeller body (10).

4. The jig for machining a multistage impeller according to claim 1, wherein a spring (20) is disposed inside the through hole (13), one end of the spring (20) is fixed to an end of the through hole (13), and the other end of the spring (20) is fixed to an end of the connecting rod (14).

5. The clamp for machining the multistage impeller according to claim 1, wherein a retaining ring (21) extends from one end of the connecting rod (14) close to the positioning plate (3), a slip-off preventing ring (22) is arranged at the opening of the through hole (13), the slip-off preventing ring (22) is fixed on the inner wall of the through hole (13), and one end of the slip-off preventing ring (22) close to the positioning plate (3) is in contact with the end of the retaining ring (21).

6. The jig for machining a multistage impeller as claimed in claim 1, wherein a handle (23) is installed on the top of the rotating shaft (5).