CN210127272U - Preparation mould mechanism of curved blade before impeller head - Google Patents
Preparation mould mechanism of curved blade before impeller head Download PDFInfo
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- CN210127272U CN210127272U CN201920485285.0U CN201920485285U CN210127272U CN 210127272 U CN210127272 U CN 210127272U CN 201920485285 U CN201920485285 U CN 201920485285U CN 210127272 U CN210127272 U CN 210127272U
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Abstract
The utility model provides a mold preparation mechanism for a front curve blade of an impeller head, which is characterized in that a blade substrate is configured into blade substrate solid particle powder with the granularity of 10-50 mu m; coating a fluorine resin release agent on the surface of the cavity wall of the cavity of the preparation mold; stretching an ultrasonic quick cold spraying Laval nozzle into a spraying hole of a preparation mold, spraying solid particles into a cavity of the mold, and filling the cavity to form a blade rough blank; and opening the mold, and carrying out water toughening treatment on the rough blade blank. The utility model discloses an improve the shaping preparation method of blade, it is not only high-efficient, improved the hardness of impeller head blade moreover, compactness has strengthened its wearability, has prolonged life.
Description
Technical Field
The utility model relates to an impeller head technical field especially relates to a preparation mould mechanism of bent blade before impeller head.
Background
In the working process of the shot blasting device, the rotating blades drive the shot to provide a certain initial speed for the shot, and then the shot is thrown out and bombarded on the surface of a workpiece to perform surface treatment. Therefore, the impeller head blades can be greatly impacted by the shot and generate frictional wear, particularly, the curved surface design of the front curved blades increases the initial speed of the shot by utilizing centrifugal force, but the blades are more easily worn due to the curved surface design, and the service life of the blades is shortened.
The traditional impeller head blade is usually cast, and although the traditional impeller head blade is low in cost and high in efficiency, casting defects such as shrinkage porosity and shrinkage cavity are inevitable.
The cold spraying technology is produced in the 80 s of the last century, is comprehensively considered, belongs to the technical field of additive manufacturing, and has two remarkable characteristics of low spraying temperature, high particle deposition speed, low working temperature, compact spraying structure and low porosity.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough among the above-mentioned prior art, the utility model provides a preparation mould of bent blade before impeller head, include: a mold body; the mould body includes: a left die, a laval nozzle and a right die;
the left die and the right die are in fit connection;
a cavity is arranged at the joint part of the left die and the right die, and an injection hole communicated with the outside of the cavity is formed in the cavity wall of the cavity; the laval nozzle is inserted into the cavity from the injection hole; and injecting the material particles into the cavity through the Laval nozzle and the injection hole.
Preferably, the cavity wall surface of the cavity is coated with a fluorine resin release agent.
Preferably, an upper cavity and a lower cavity are arranged in the cavity;
the lower cavity is of a cuboid structure of a front curved blade of the impeller head;
one end of the lower cavity is communicated with the upper cavity;
the upper cavity is communicated with the injection hole.
Preferably, the method further comprises the following steps: a work table;
a fixed stop seat and a threaded seat are fixedly arranged on the workbench, the threaded seat is connected with a screw rod, one end of the screw rod is connected with a movable stop seat, the other end of the screw rod is connected with a handle, and a nut is arranged between the threaded seat and the handle;
the mould body is arranged between the fixed blocking seat and the movable blocking seat.
Preferably, the upper part of the workbench is provided with two horizontal moving screw rods which are arranged in parallel;
each horizontal moving screw rod is connected with two push rods; the extending end of the push rod is arranged towards the direction of the workbench;
the extending ends of the four push rods are respectively connected to a first pressing plate, the first pressing plate is connected with a second pressing plate through bolts, and the Laval nozzle is clamped between the first pressing plate and the second pressing plate.
According to the technical scheme, the utility model has the advantages of it is following:
the utility model provides a preparation method of a curved blade before an impeller head for mold opening heat treatment, which sprays solid particle powder to a mold through supersonic speed cold spraying. The utility model discloses an improve the shaping preparation method of blade, it is not only high-efficient, improved the hardness of impeller head blade moreover, compactness has strengthened its wearability, has prolonged life.
The process of cooling and solidifying the molten liquid can be avoided, the preparation efficiency is improved, and the defects of air holes, slag inclusion and the like caused by casting can be eliminated.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a mold mechanism for manufacturing a front curved blade of a shot blasting machine;
fig. 2 is a schematic diagram of an embodiment of a mold preparation mechanism for a front curve blade of the impeller head.
Detailed Description
The utility model provides a preparation mould mechanism of bent blade before impeller head, as shown in figure 1, include: a mold body 9; the die body 9 includes: a left die 1, a laval nozzle 4 and a right die 6;
the left die 1 is jointed and connected with the right die 6;
a cavity 2 is arranged at the joint part of the left die 1 and the right die 6, and an injection hole 3 communicated with the outside of the cavity is arranged on the cavity wall of the cavity 2; the laval nozzle 4 is inserted into the cavity 2 from the injection hole 3; the material particles 5 are injected into the cavity 2 through the laval nozzle 4 and the injection holes 3.
Spatially relative terms such as "under …", "below", "lower", "above", "over", and the like, as may be used herein for ease of description, describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device 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 "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The utility model discloses in, the chamber wall surface of cavity 2 scribbles fluorine plain resin release agent. The low surface property of the material is utilized to facilitate demoulding.
An upper cavity 7 and a lower cavity 8 are arranged in the cavity 2; the lower cavity 8 is of a cuboid structure with a front curved blade of the impeller head; one end of the lower cavity 8 is communicated with the upper cavity 7; the upper chamber 7 communicates with the injection hole 3.
The utility model discloses in, the mechanism still includes: a work table 11; a fixed stop seat 12 and a threaded seat 13 are fixedly arranged on the workbench, the threaded seat 13 is connected with a screw rod 14, one end of the screw rod 14 is connected with a movable stop seat 15, the other end of the screw rod 14 is connected with a handle 17, and a nut 16 is arranged between the threaded seat 13 and the handle 17;
the die body 9 is placed between the fixed block 12 and the moving block 15. Wherein, the upper part of the workbench is provided with two horizontal moving screw rods 25, and the two horizontal moving screw rods 25 are arranged in parallel; each horizontal moving screw rod 25 is connected with two push rods 24; the extending end of the push rod 24 is arranged towards the direction of the workbench; the protruding ends of the four push rods 24 are respectively connected to the first pressing plate 21, the first pressing plate 21 is connected to the second pressing plate 22 through bolts 23, and the laval nozzle 4 is clamped between the first pressing plate 21 and the second pressing plate 22.
It can be understood that when the front curve blade of the shot blasting machine is prepared, the die body 9 is firstly placed on a workbench, and the die body is clamped between the threaded seat and the fixed baffle seat and keeps a certain pressing force by rotating the handle 17. The nut 16 is pressed against the threaded seat and held in place.
The laval nozzle is held between the first presser plate 21 and the second presser plate 22 and fastened by bolts. Here, the four push rods 24 move synchronously, and the four push rods 24 can be arranged on a placing seat, the placing seat is provided with a gear, and the screw rod 25 is in a rack shape, so that the gear of the placing seat is meshed with the rack to move. And adjusting the position of the Laval nozzle to move the Laval nozzle to be above an injection hole of the preparation mould.
The four pushrods 24 and thus the laval nozzle are moved by moving the setting bed. The driving mode can be driven by a servo motor. The four push rods 24 can be driven by hydraulic or pneumatic or servo motors. The height of the Laval nozzle can be adjusted by the four push rods 24, so that the Laval nozzle can extend into an injection hole of a preparation mold, solid particles are sprayed into a cavity of the mold, the cavity is filled, and a blade rough blank is formed.
The specific control method is not limited herein.
The preparation method of the front curve blade of the shot blasting machine comprises the following steps
Firstly, configuring a blade base material into blade base material solid particle powder with the particle size of 10-50 mu m;
secondly, coating a fluorine resin release agent on the cavity wall surface of the cavity of the preparation mold;
thirdly, extending the ultrasonic rapid cold spraying Laval nozzle into a spraying hole of a preparation mold, spraying solid particles into a cavity of the mold, and filling the cavity to form a blade rough blank;
and step four, opening the mold, and carrying out water toughening treatment on the rough blade blank.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description in this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The utility model provides a preferred preparation method does: preparing solid particle powder of the blade matrix material by an atomization granulation method, wherein the particle size is 10-50 mu m.
And then coating a layer of fluorine resin release agent with low surface performance on the inner surface of the mould, then extending a Laval nozzle of ultrasonic speed cold spraying equipment into a spraying hole to enter a cavity, slowly lifting the Laval nozzle along with the accumulation of materials in the cavity, and filling and forming the front curve blade.
And opening the mold to carry out water toughening treatment, namely heating the blade to the temperature of between 1000 and 1200 ℃, keeping the temperature for 1 hour, and then carrying out quenching treatment to improve the strength and toughness of the blade.
By improving the forming preparation method of the blade, the efficiency is high, the hardness and the compactness of the impeller head blade are improved, the wear resistance of the impeller head blade is enhanced, and the service life of the impeller head blade is prolonged.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a preparation mould mechanism of bent blade before impeller head which characterized in that includes: a mold body (9); the die body (9) includes: a left die (1), a Laval nozzle (4) and a right die (6);
the left die (1) is attached to the right die (6);
a cavity (2) is arranged at the joint connecting part of the left die (1) and the right die (6), and a jetting hole (3) communicated with the outside of the cavity is formed in the cavity wall of the cavity (2); the Laval nozzle (4) is inserted into the cavity (2) from the injection hole (3); the material particles (5) are injected into the cavity (2) through the Laval nozzle (4) and the injection hole (3).
2. The mold preparation mechanism for the front curve blade of the shot blasting machine as recited in claim 1,
the surface of the cavity wall of the cavity (2) is coated with a fluorine resin release agent.
3. The mold preparation mechanism for the front curve blade of the shot blasting machine as recited in claim 1,
an upper cavity (7) and a lower cavity (8) are arranged in the cavity (2);
the lower cavity (8) is of a cuboid structure with a front curved blade of the impeller head;
one end of the lower cavity (8) is communicated with the upper cavity (7);
the upper cavity (7) is communicated with the injection hole (3).
4. The mold preparation mechanism for the front curve blade of the shot blasting machine as recited in claim 1,
further comprising: a table (11);
a fixed stop seat (12) and a threaded seat (13) are fixedly arranged on the workbench, the threaded seat (13) is connected with a screw rod (14), one end of the screw rod (14) is connected with a movable stop seat (15), the other end of the screw rod (14) is connected with a handle (17), and a nut (16) is arranged between the threaded seat (13) and the handle (17);
the mould body (9) is arranged between the fixed stop seat (12) and the movable stop seat (15).
5. The mold preparation mechanism for the front curve blade of the shot blasting machine as recited in claim 4,
two horizontal moving screw rods (25) are arranged at the upper part of the workbench, and the two horizontal moving screw rods (25) are arranged in parallel;
each horizontal moving screw rod (25) is connected with two push rods (24); the extending end of the push rod (24) is arranged towards the direction of the workbench;
the extending ends of the four push rods (24) are respectively connected to a first pressing plate (21), the first pressing plate (21) is connected with a second pressing plate (22) through bolts (23), and the Laval nozzle (4) is clamped between the first pressing plate (21) and the second pressing plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485285.0U CN210127272U (en) | 2019-04-11 | 2019-04-11 | Preparation mould mechanism of curved blade before impeller head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485285.0U CN210127272U (en) | 2019-04-11 | 2019-04-11 | Preparation mould mechanism of curved blade before impeller head |
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| Publication Number | Publication Date |
|---|---|
| CN210127272U true CN210127272U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920485285.0U Active CN210127272U (en) | 2019-04-11 | 2019-04-11 | Preparation mould mechanism of curved blade before impeller head |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109913865A (en) * | 2019-04-11 | 2019-06-21 | 山东开泰抛丸机械股份有限公司 | A kind of impeller head forward curve blade prepares mold mechanism and preparation method |
| CN113547122A (en) * | 2021-07-22 | 2021-10-26 | 济南大学 | Shot blasting gradient function blade forming method based on 3D printing technology |
-
2019
- 2019-04-11 CN CN201920485285.0U patent/CN210127272U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109913865A (en) * | 2019-04-11 | 2019-06-21 | 山东开泰抛丸机械股份有限公司 | A kind of impeller head forward curve blade prepares mold mechanism and preparation method |
| CN113547122A (en) * | 2021-07-22 | 2021-10-26 | 济南大学 | Shot blasting gradient function blade forming method based on 3D printing technology |
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