CN220029471U

CN220029471U - Closed impeller tool

Info

Publication number: CN220029471U
Application number: CN202321693810.0U
Authority: CN
Inventors: 刘建鑫
Original assignee: Champion Aviation Dynamic Technology Xi'an Co ltd
Current assignee: Champion Aviation Dynamic Technology Xi'an Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-17
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a closed impeller tool, which comprises: the device comprises a base, a pressing part and a pull rod, wherein the upper surface of the base is provided with a positioning surface, the positioning surface is in contact with a closed impeller to be processed for positioning, the pull rod penetrates through the middle of the base and is detachably connected with the middle of the base, the lower end of the pull rod is in limiting connection with the base, and the upper end of the pull rod is detachably connected with the pressing part. The upper surface of the closed impeller tool base is provided with the positioning surface for carrying out contact positioning on the closed impeller to be processed, the pull rod penetrates through the closed impeller to be processed, the closed impeller to be processed is pressed through the pressing piece, the clamping process is simple in operation and reliable in clamping, and the problems that the closed impeller to be processed is shifted in the processing process, and the part is cut excessively and scrapped can be avoided.

Description

Closed impeller tool

Technical Field

The utility model relates to a workpiece clamp, in particular to a closed impeller tool.

Background

The closed impeller of the high-temperature alloy has the characteristics of high processing difficulty, high processing hardening tendency, high cutting force, poor thermal conductivity of materials, easy loss of a cutter, difficult guarantee of surface quality and precision and the like. The closed impeller has the characteristic of narrow passage, so that the cutter is slender and has poor rigidity. The superalloy shrouded impeller is undoubtedly the most difficult impeller product to process. The high-temperature alloy closed impeller has huge cutting force on the parts in the processing process, so the parts are extremely easy to be subjected to force displacement, the risks of over-cutting, scrapping and the like of the parts are caused, and huge damage is generated.

Disclosure of Invention

Therefore, the utility model mainly aims to provide a closed impeller tool which can solve the problems of over-cutting and scrapping of parts caused by extremely easy stress displacement of the parts in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a closed impeller tooling, comprising: the device comprises a base, a pressing piece and a pull rod, wherein the upper surface of the base is provided with a positioning surface, the positioning surface is in contact with a closed impeller to be processed for positioning, the pull rod penetrates through the middle of the base and is detachably connected with the middle of the base, the lower end of the pull rod is in limit connection with the base, and the upper end of the pull rod is detachably connected with the pressing piece.

Preferably, the pull rod includes: the pull rod comprises a pull rod body and a lug, wherein the lug is fixedly connected to one end of the pull rod body;

a fixing hole is formed through the base, and the fixing hole comprises: the side part of the through hole is provided with the auxiliary hole;

a positioning groove is formed in one side of the auxiliary hole, the positioning groove is positioned at a position of the auxiliary hole rotating clockwise or anticlockwise along the central axis of the through hole by a set angle, and a limiting step is formed between the auxiliary hole and the positioning groove;

the positioning groove and the limiting step are arranged on the lower side of the base.

Preferably, the rotation setting angle is 90 °.

Preferably, the end of the pull rod far away from the lug is provided with threads, the pressing piece comprises a pressing sheet and a nut, the nut is in threaded connection with the pull rod, and the nut presses the pressing sheet.

Preferably, the screw thread at one end of the pull rod is in a right-hand rotation mode, and the positioning groove is arranged at a position of 90 degrees of the right-hand rotation of the pull rod relative to the auxiliary hole;

or the screw thread at one end of the pull rod is left-handed, and the positioning groove is arranged at the position of 90 degrees of left-handed rotation of the pull rod relative to the auxiliary hole.

Preferably, the number of the lugs is two, and the two lugs are symmetrically arranged on two sides of the pull rod body;

the number of the auxiliary holes is two, and the auxiliary holes are symmetrically arranged on two sides of the through hole.

Preferably, the base includes: the base body and holding ring, holding ring one end is connected with the base body can be dismantled, the holding ring other end sets up the locating surface.

Preferably, the base further comprises: the locating pin, locating pin one end inserts the base upper surface, the locating pin other end inserts to wait to process closed impeller, makes wait to process closed impeller location connection and be in the base upper surface.

The closed impeller tool has the following beneficial effects:

this closed impeller frock includes: the device comprises a base, a pressing part and a pull rod, wherein the upper surface of the base is provided with a positioning surface, the positioning surface is in contact with a closed impeller to be processed for positioning, the pull rod penetrates through the middle of the base and is detachably connected with the middle of the base, the lower end of the pull rod is in limiting connection with the base, and the upper end of the pull rod is detachably connected with the pressing part.

The problems of over-cutting and scrapping of parts caused by extremely easy stress displacement in the processing of a closed impeller in the prior art are solved.

The upper surface of the closed impeller tool base is provided with the positioning surface for carrying out contact positioning on the closed impeller to be processed, the pull rod penetrates through the closed impeller to be processed, the closed impeller to be processed is pressed by the pressing piece, the clamping process is simple to operate, the clamping is reliable, and the closed impeller to be processed can be prevented from being shifted in the processing process.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a closed impeller tooling according to the present disclosure;

fig. 2 is a schematic structural view of a base body of a closed impeller tooling according to the present disclosure;

fig. 3 is a schematic structural view of a pull cylinder of a closed impeller tooling according to the present disclosure;

FIG. 4 is a bottom view of a closed impeller tooling according to the present disclosure;

FIG. 5 is an enlarged view of a portion of the first operating condition of the tie rod shown in FIG. 4 at A;

FIG. 6 is an enlarged view of a portion of the pull rod of FIG. 4 at A in a second operating condition;

fig. 7 is an enlarged view of a portion of the third operating condition of the tie rod shown in fig. 4 at a.

[ Main reference numerals Specification ]

1. A base;

11. a positioning surface; 12. a base body; 13. a positioning ring; 14. a positioning pin;

2. a pressing member;

21. tabletting; 22. a nut;

3. a pull rod;

31. a pull rod body; 32. a lug;

4. fixing hole

41. A through hole; 42. an auxiliary hole; 43. a limit step; 44. a positioning groove;

5. and (5) a closed impeller to be processed.

Detailed Description

The method of the present utility model will be described in further detail with reference to the accompanying drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-7, the present utility model provides a technical solution: a closed impeller tooling, comprising: base 1, compress tightly piece 2 and pull rod 3, and base 1 upper surface has locating surface 11, and locating surface 11 and wait to process closed impeller 5 contact location, runs through base 1 middle part and can dismantle and be connected with pull rod 3, and pull rod 3 lower extreme and base 1 spacing are connected, and pull rod 3 upper end can dismantle and be connected with compress tightly piece 2. The upper surface of the closed impeller tool base is provided with the positioning surface for carrying out contact positioning on the closed impeller to be processed, the pull rod penetrates through the closed impeller to be processed, the closed impeller to be processed is pressed by the pressing piece, the closed impeller to be processed can be prevented from being shifted in the processing process, and the problems that in the prior art, the closed impeller is extremely easy to be stressed and displaced during processing, and the parts are cut excessively and scrapped can be solved.

In order to facilitate the disassembly and reliable connection of the base 1 and the tie rod 3, the tie rod 3 comprises: a pull rod body 31 and a lug 32, the lug 32 being fixedly connected to one end of the pull rod body 31;

the penetrating base 1 is provided with a fixing hole 4, and the fixing hole 4 includes: a through hole 41 and an auxiliary hole 42, the side of the through hole 41 is provided with the auxiliary hole 42; the tie rod body 31 and the lugs 32 can pass through the through holes 41 and the auxiliary holes 42 from above the base 1 to below the base 1 as shown in fig. 5.

A positioning groove 44 is formed in one side of the auxiliary hole 42, the positioning groove is positioned at a position of the auxiliary hole 42 rotating clockwise or anticlockwise along the central axis of the through hole 41 by a set angle, and a limiting step 43 is formed between the auxiliary hole 42 and the positioning groove 44; after the pull rod body 31 and the lug 32 pass through the through hole 41 and the auxiliary hole 42, the lug 32 passes through the limiting step 43 and then reaches the positioning groove 44 by rotating, fig. 6 shows that the lug 32 passes through the limiting step 43 in the rotating process of the pull rod 3, and fig. 7 shows that the lug 32 reaches the positioning groove 44. After the lugs 32 reach the position of the positioning grooves 44, the pull rod 3 moves upwards, and the lugs 32 are embedded into the positioning grooves 44.

The positioning groove 44 and the limiting step 43 are arranged on the lower side of the base.

In order to facilitate machining of the parts, the rotation setting angle is 90 degrees.

The end of the pull rod 3 far away from the lug 32 is provided with threads, the pressing piece 2 comprises a pressing piece 21 and a nut 22, the nut 22 is in threaded connection with the pull rod 3, and the nut 22 presses the pressing piece 21. When the closed impeller 5 to be processed is clamped, the nut 22 moves downwards along the pull rod 3 by rotating, and the closed impeller 5 to be processed is pressed by the pressing piece 21, so that the closed impeller 5 to be processed can be prevented from moving during processing.

For convenient operation, the screw thread at one end of the pull rod 3 is in a right-hand rotation mode, and the positioning groove 44 is arranged at a position of 90 degrees of the right-hand rotation of the pull rod 3 relative to the auxiliary hole 42; when the closed impeller 5 to be processed is clamped, firstly, one end of the pull rod 3 with the lug 32 is inserted into the fixing hole 4, then the pull rod 3 is rotated rightwards, the lug 32 reaches the positioning groove 44, the pressing piece 21 and the nut 22 are continuously installed, and the nut 22 is rotated rightwards until the nut 22 is screwed.

Or the screw thread at one end of the pull rod 3 is left-handed, and the positioning groove 44 is arranged at a position of 90 degrees of left-handed rotation of the pull rod 3 relative to the auxiliary hole 42; when the closed impeller 5 to be processed is clamped, firstly, one end of the pull rod 3 with the lug 32 is inserted into the fixing hole 4, then the pull rod 3 is rotated leftwards, the lug 32 reaches the positioning groove 44, the pressing piece 21 and the nut 22 are continuously installed, and the nut 22 is rotated leftwards until the nut 22 is screwed.

For convenient processing and use of standard components, the threads are all right-handed, and the positioning groove 44 is arranged at a position of 90 degrees of right-handed rotation of the pull rod 3 relative to the auxiliary hole 42.

In order to make the parts symmetrical, there is no eccentric force, the number of lugs 32 is two, and the two lugs are symmetrically arranged on two sides of the pull rod body 31;

the number of the auxiliary holes 42 is two, and symmetrically disposed at both sides of the through hole 41.

In order to make the shrouded impeller frock adaptable to shrouded impellers of different specifications, base 1 includes: the base body 12 and the holding ring 13, holding ring 13 one end is connected with base body 12 detachably, and the holding ring 13 other end sets up locating surface 11. The preferred mode of connection between holding ring 13 and the base body 12 is screw connection, if the closed impeller of different specifications uses this frock, only need change holding ring 13 can, make this frock adaptable closed impeller of different specifications, save the manufacturing cost of frock.

In order to avoid rotation of the shrouded impeller 5 to be machined during machining, the base 1 further comprises: the locating pin 14, locating pin 14 one end inserts base 1 upper surface, and locating pin 14 other end inserts to wait to process closed impeller 5, makes to wait to process closed impeller 5 location and connects at base 1 upper surface, in order to avoid waiting to process closed impeller 5 and this closed impeller frock to appear eccentric, and the quantity of locating pin is 2-8.

When the closed impeller 5 to be processed is clamped, firstly, a positioning ring 13 is connected to a base body 12, one end of a pull rod 3 with a lug 32 penetrates into a fixing hole 4, then a positioning pin 14 is placed into the base body 12, the closed impeller 5 to be processed is placed on a positioning surface 11, and the positioning pin 14 penetrates into the hole on the closed impeller 5 to be processed; finally, the pressing piece 21 is placed and the nut 22 is screwed.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model.

Claims

1. The utility model provides a closed impeller frock which characterized in that includes: base (1), compress tightly piece (2) and pull rod (3), base (1) upper surface has locating surface (11), locating surface (11) and wait to process closed impeller (5) contact location, run through base (1) middle part can be dismantled and be connected with pull rod (3), pull rod (3) lower extreme with base (1) spacing connection, pull rod (3) upper end can be dismantled and be connected with compress tightly piece (2).

2. Closed impeller tooling according to claim 1, characterized in that the tie rod (3) comprises: the pull rod comprises a pull rod body (31) and a lug (32), wherein the lug (32) is fixedly connected to one end of the pull rod body (31);

a fixing hole (4) is formed through the base (1), and the fixing hole (4) comprises: a through hole (41) and an auxiliary hole (42), wherein the auxiliary hole (42) is formed on the side part of the through hole (41);

a positioning groove (44) is formed in one side of the auxiliary hole (42), the positioning groove is positioned at a position of the auxiliary hole (42) rotating clockwise or anticlockwise along the central axis of the through hole (41) by a set angle, and a limiting step (43) is formed between the auxiliary hole (42) and the positioning groove (44);

the positioning groove (44) and the limiting step (43) are arranged on the lower side of the base.

3. The closed impeller tooling of claim 2, wherein the rotation setting angle is 90 °.

4. A closed impeller tool according to claim 3, wherein the end of the pull rod (3) far away from the lug (32) is provided with threads, the pressing piece (2) comprises a pressing piece (21) and a nut (22), the nut (22) is in threaded connection with the pull rod (3), and the nut (22) presses the pressing piece (21).

5. The closed impeller tool according to claim 4, wherein the thread at one end of the pull rod (3) is right-handed, and the positioning groove (44) is arranged at a position of 90 ° right-handed of the pull rod (3) relative to the auxiliary hole (42);

or the screw thread at one end of the pull rod (3) is left-handed, and the positioning groove (44) is arranged at the position of 90 degrees left-handed of the pull rod (3) relative to the auxiliary hole (42).

6. The closed impeller tool according to claim 2, wherein the number of lugs (32) is two, and the two lugs are symmetrically arranged at two sides of the pull rod body (31);

the number of the auxiliary holes (42) is two, and the auxiliary holes are symmetrically arranged at two sides of the through hole (41).

7. Closed impeller tooling according to claim 1, characterized in that the base (1) comprises: the base body (12) and locating ring (13), locating ring (13) one end and base body (12) can dismantle the connection, locating ring (13) other end sets up locating surface (11).

8. Closed impeller tooling according to claim 1, characterized in that the base (1) further comprises: the locating pin (14), locating pin (14) one end inserts base (1) upper surface, locating pin (14) other end inserts wait to insert wait to process closed impeller (5), makes wait to process closed impeller (5) location and connect base (1) upper surface.