CN220920845U - Air blowing device for precisely casting shell - Google Patents
Air blowing device for precisely casting shell Download PDFInfo
- Publication number
- CN220920845U CN220920845U CN202322717631.2U CN202322717631U CN220920845U CN 220920845 U CN220920845 U CN 220920845U CN 202322717631 U CN202322717631 U CN 202322717631U CN 220920845 U CN220920845 U CN 220920845U
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- Prior art keywords
- positioning
- blowing
- groove
- unit
- positioning groove
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- 238000007664 blowing Methods 0.000 title claims abstract description 53
- 238000005266 casting Methods 0.000 title description 3
- 239000004576 sand Substances 0.000 claims abstract description 22
- 238000005495 investment casting Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
Landscapes
- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a blowing device for manufacturing shells by precision casting, which comprises a carrying unit, a positioning component and a blowing unit, wherein a hooking part is arranged at the bottom of the carrying unit, the hooking part is at least used for hooking shells, a positioning cavity is formed in the carrying unit, the positioning component can be arranged in the positioning cavity in an extending or retracting manner, the blowing unit is arranged on the positioning component, a positioning groove is formed in the positioning component and is used for positioning the shells, and the blowing unit is configured to blow off sand grains in the positioning groove before positioning. Above-mentioned a blowing device for precision casting system shell is at the during operation, and the unit of blowing blows off the sand grain in the positioning groove, and then positioning assembly drive positioning groove removes and fixes a position, and not only simple structure, design benefit blow off the sand grain of positioning groove department moreover, and positioning groove department does not have the sand grain to get into when guaranteeing to fix a position, has avoided the inseparable phenomenon of location cooperation, has improved the accuracy and the reliability of location.
Description
Technical Field
The utility model belongs to the technical field of precision casting processing, and particularly relates to a blowing device for manufacturing shells by precision casting.
Background
Investment casting, also known as precision casting or lost wax casting, is one of the metal casting techniques. It is cast metal using a specially made refractory shell, which is a process that is distinctive in its manufacture. Firstly, a wax mould of a specific workpiece blank is used, the wax mould is put into a slurry cylinder for slurry dipping, then the wax mould after slurry dipping is put into a sand cylinder for sand spraying, the wax mould after sand spraying is subjected to drying and hardening treatment, and then the wax mould is molded step by step and repeated for a plurality of times until an integral shell is formed.
In the process of manufacturing shells by precision casting, a special conveying device is required to convey the shells or the wax molds so that the wax molds or the shells circulate among various processing procedures, the existing conveying device is provided with grooves used for positioning, the grooves are clamped into the shells to position the shells, however, sand grains are extremely easy to enter in the grooves in the sand spraying process, so that positioning fit is not tight and positioning is unreliable.
Disclosure of utility model
The utility model aims to provide an air blowing device for manufacturing shells by precision casting, which is used for solving the problem that sand grains are easy to enter into grooves when sand is sprayed on middle-sized shells in the prior art, so that positioning is unreliable.
To achieve the purpose, the utility model adopts the following technical scheme:
a blowing device for manufacturing shells by precision casting comprises a carrying unit, a positioning component and a blowing unit, wherein,
The bottom of transport unit is provided with the hook portion, the hook portion is used for hooking the shell at least, the location chamber has been seted up to transport unit inside, locating component can stretch out or retract into ground set up in the location intracavity, the unit of blowing set up in on the locating component, set up positioning groove on the locating component, positioning groove is used for fixing a position the shell, the unit of blowing is configured to be before the location with sand grain in the positioning groove blows off.
Further, the positioning assembly comprises a positioning driving piece and a positioning piece, the fixed end of the positioning driving piece is arranged on the carrying unit, the movable end of the positioning driving piece is connected with the positioning piece, the positioning piece is provided with the positioning groove, and the positioning driving piece drives the positioning piece to move so as to drive the positioning groove to extend out of or retract into the positioning cavity.
Further, a positioning protruding portion is arranged at the top end of the shell, the positioning protruding portion is arranged corresponding to the positioning groove, the positioning piece extends out of the positioning cavity, the positioning groove is clamped into the positioning protruding portion, and the shell is positioned by being matched with the hooking portion.
Further, the air blowing unit comprises a plurality of air blowing holes, and the plurality of air blowing holes are distributed on the inner wall of the positioning groove in a circumferential array.
Further, the air blowing unit comprises at least one air blowing groove, the at least one air blowing groove is arranged on the positioning assembly, and the air blowing direction is opposite to the positioning groove.
Further, the hooking part comprises two symmetrically arranged hooks, and two openings are formed at the upper ends of the hooks so as to form a hooking groove, the shell is provided with a hanging rod along the horizontal direction, and two ends of the hanging rod are placed in the hooking groove.
Further, the cushion block is detachably arranged in the hook groove, and the cushion block is positioned between the shell and the hook groove so as to avoid hard contact between the shell and the hook groove.
Compared with the prior art, the blowing device for manufacturing the shell by precision casting has the beneficial effects that: the sand in the positioning groove is blown off by the blowing unit, and then the positioning assembly drives the positioning groove to move for positioning, so that the structure is simple, the design is ingenious, sand at the positioning groove is blown off, no sand enters the positioning groove during positioning, the phenomenon of loose positioning fit is avoided, and the positioning accuracy and reliability are improved; and the cushion blocks are placed in the hook grooves, so that the direct contact between the hook grooves and the mold shell is effectively avoided, unnecessary abrasion is reduced, and the service life of the hook grooves is prolonged.
Drawings
FIG. 1 is a schematic perspective view of an air blowing device for precisely casting shells according to an embodiment of the present utility model;
Fig. 2 is a schematic cross-sectional view of an air blowing device for precision casting shells according to an embodiment of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, in the present embodiment, an air blowing device for manufacturing shells by precision casting includes a carrying unit 1, a positioning assembly 2 and an air blowing unit 3, wherein a hook portion is provided at the bottom of the carrying unit 1, the hook portion is at least used for hooking the shell 4, a positioning cavity 10 is provided inside the carrying unit 1, the positioning assembly 2 can be extended or retracted and is disposed in the positioning cavity 10, the air blowing unit 3 is disposed on the positioning assembly 2, a positioning groove 20 is provided on the positioning assembly 2, the positioning groove 20 is used for positioning the shell 4, and the air blowing unit 3 is configured to blow off sand grains in the positioning groove 20 before positioning.
It can be seen that the blowing unit 3 blows off sand grains in the positioning groove 20, and then the positioning assembly 2 drives the positioning groove 20 to move for positioning, so that the structure is simple, the design is ingenious, sand grains at the positioning groove 20 are blown off, no sand grains enter the positioning groove 20 during positioning, the phenomenon of loose positioning fit is avoided, and the positioning accuracy and reliability are improved.
As an embodiment, the positioning assembly 2 includes a positioning driving member 21 and a positioning member 22, the fixed end of the positioning driving member 21 is disposed on the carrying unit 1, the movable end of the positioning driving member 21 is connected with the positioning member 22, the positioning member 22 is provided with a positioning groove 20, and the positioning driving member 21 drives the positioning member 22 to move so as to drive the positioning groove 20 to extend out of or retract into the positioning cavity 10.
As an embodiment, the top end of the shell 4 is provided with a positioning protruding portion 40, the positioning protruding portion 40 is disposed corresponding to the positioning groove 20, and the positioning piece 22 extends out of the positioning cavity 10, so that the positioning groove 20 is clamped on the positioning protruding portion 40, and the shell 4 is positioned by cooperating with the hooking portion.
As an embodiment, the air blowing unit 3 includes a plurality of air blowing holes distributed in a circumferential array on the inner wall of the positioning groove 20.
Of course, as another embodiment, the air blowing unit 3 may further include an air blowing groove, the air blowing groove is formed on the positioning component 2, and the air blowing direction is opposite to the positioning groove 20.
As one embodiment, the hooking portion includes two hooks 5 symmetrically arranged, and the upper ends of the two hooks 5 are opened to form a hooking groove, and the shell 4 is provided with a hanging rod 41 in a horizontal direction, and both ends of the hanging rod 41 are placed in the hooking groove.
As an embodiment, the hook groove is detachably provided with a spacer 6, and the spacer 6 is located between the shell 4 and the hook groove to avoid hard contact between the shell 4 and the hook groove.
Therefore, the cushion block 6 is placed in the hook groove, so that the direct contact between the hook groove and the molded shell 4 is effectively avoided, unnecessary abrasion is reduced, and the service life of the hook groove is prolonged.
The blowing device for manufacturing the shell by precision casting is characterized in that when in operation: when sand is in the positioning groove 20, the air blowing holes on the inner side surface of the positioning groove 20 blow air to blow off the sand, and then the positioning driving piece 21 drives the positioning piece 22 to descend to drive the positioning groove 20 to extend out of the positioning cavity 10 until the clamp is connected into the positioning protruding portion 40 to position the shell 4.
The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A blowing device for precision casting shells is characterized by comprising a carrying unit, a positioning assembly and a blowing unit, wherein,
The bottom of transport unit is provided with the hook portion, the hook portion is used for hooking the shell at least, the location chamber has been seted up to transport unit inside, locating component can stretch out or retract into ground set up in the location intracavity, the unit of blowing set up in on the locating component, set up positioning groove on the locating component, positioning groove is used for fixing a position the shell, the unit of blowing is configured to be before the location with sand grain in the positioning groove blows off.
2. The blowing device for manufacturing shells by precision casting according to claim 1, wherein the positioning assembly comprises a positioning driving member and a positioning member, a fixed end of the positioning driving member is arranged on the carrying unit, a movable end of the positioning driving member is connected with the positioning member, the positioning member is provided with the positioning groove, and the positioning driving member drives the positioning member to move so as to drive the positioning groove to extend out of or retract into the positioning cavity.
3. The blowing device for manufacturing shells by precision casting according to claim 2, wherein a positioning protruding portion is arranged at the top end of the shell, the positioning protruding portion is arranged corresponding to the positioning groove, and the positioning piece extends out of the positioning cavity to clamp the positioning groove into the positioning protruding portion and position the shell by matching with the hooking portion.
4. The blowing device for precision casting shells according to claim 1, wherein the blowing unit comprises a plurality of blowing holes distributed in a circumferential array on an inner wall of the positioning groove.
5. The blowing device for precision casting shells according to claim 1, wherein the blowing unit comprises at least one blowing groove which is formed in the positioning assembly, and the blowing direction is opposite to the positioning groove.
6. The blowing device for precision casting shells according to claim 1, wherein the hooking portion comprises two hooks symmetrically arranged, the upper ends of the two hooks are opened to form a hooking groove, the shell is provided with a hanging rod in a horizontal direction, and both ends of the hanging rod are placed in the hooking groove.
7. The blowing apparatus for precision casting shells according to claim 6, wherein the hooking recess is detachably provided with a spacer, the spacer being located between the shell and the hooking recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717631.2U CN220920845U (en) | 2023-10-10 | 2023-10-10 | Air blowing device for precisely casting shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717631.2U CN220920845U (en) | 2023-10-10 | 2023-10-10 | Air blowing device for precisely casting shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220920845U true CN220920845U (en) | 2024-05-10 |
Family
ID=90967814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322717631.2U Active CN220920845U (en) | 2023-10-10 | 2023-10-10 | Air blowing device for precisely casting shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220920845U (en) |
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2023
- 2023-10-10 CN CN202322717631.2U patent/CN220920845U/en active Active
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