Guide vane mold ejection auxiliary device

Abstract

The utility model discloses a guide vane mould ejection auxiliary device which comprises a mould used for producing a guide vane body, the mould comprises an upper mould, a lower mould and a side mould, the lower mould comprises a bottom plate, a lower mould base is fixedly installed on the top of the bottom plate, an inner mould core and an annular outer mould core are arranged on the top of the lower mould base, and the inner mould core is arranged inside the outer mould core. An inner sleeve casting channel is formed between the outer wall of the inner mold core and the inner wall of the outer mold core, blade casting channels communicated with the inner sleeve casting channel are arranged on the outer mold core in an annular array mode, and the two side molds surround the outer mold core after being assembled. An outer pipe pouring channel communicated with the blade pouring channel is formed between the inner wall of the side mold and the outer wall of the outer mold core; the guide vane body can be quickly cast and stably demoulded, and the production efficiency of the guide vane body is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of guide vane forming molds, in particular to a guide vane mold ejection auxiliary device. Background Art

[0002] Guide vanes, also known as guide blades or guide vanes, are a type of stationary blade that mainly changes the direction of airflow. They are an important component used in many fields, especially in the fields of electricity, aviation, and water conservancy.

[0003] refer to Figure 1 and Figure 2 As shown, the existing guide vane includes an outer tube and an inner sleeve, the bottom of the inner sleeve is provided with a step groove for installation, and a plurality of blades with arc-shaped bending arrangement are arranged in a circular equidistant array between the outer wall of the inner sleeve and the inner wall of the outer tube. At present, when processing such guide vanes, a sand casting process is generally adopted for production, but the sand casting process requires core box preparation, sand molding, cavity preheating, pouring, mold opening, sand cleaning and other processes, and the operation is complicated. Moreover, when demolding, because the blade is arranged in an arc shape, more care is required during demolding compared with a flat blade to avoid damaging the blade during demolding, thereby causing inconvenience in demolding the entire guide vane, and a long production cycle and low efficiency.

[0004] Therefore, a guide vane mold ejection auxiliary device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a guide vane mold ejection auxiliary device, so as to solve or at least alleviate one or more of the above-mentioned problems and other problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0007] A guide vane mold ejection auxiliary device, comprising a mold for producing a guide vane body, the mold comprising an upper mold, a lower mold and a side mold, the lower mold comprising a bottom plate, a lower mold seat being fixedly mounted on the top of the bottom plate, an inner mold core and an outer mold core being arranged in an annular shape on the top of the lower mold seat, the inner mold core being arranged inside the outer mold core, an inner sleeve casting channel being formed between the outer wall of the inner mold core and the inner wall of the outer mold core, a blade casting channel connected to the inner sleeve casting channel being arranged in an annular array on the upper portion of the outer mold core, two side molds being arranged, the outer mold core being surrounded by the two side molds after being molded together, an outer tube casting channel connected to the blade casting channel being formed between the inner wall of the side mold and the outer wall of the outer mold core;

[0008] The inner mold core comprises a plurality of inner mold core fixing blocks, the inner mold core fixing blocks are fixedly connected to the top of the lower mold base, an inner mold core movable block is slidably inserted between two adjacent inner mold core fixing blocks, and a protrusion for forming a step groove is provided on the outer wall of the inner mold core movable block;

[0009] The outer mold core comprises a plurality of outer mold core fixing blocks in an annular equidistant array, the outer mold core fixing blocks are fixedly connected to the top of the lower mold base, an outer mold core movable block is slidably arranged on the outer mold core fixing blocks, and the blade casting channel is formed between one side of the outer mold core movable block and one side of the outer mold core fixing block adjacent to and not in contact with the outer mold core fixing block;

[0010] A driving mechanism for driving the outer mold core movable block and the inner mold core movable block to rise and fall is arranged at the bottom of the lower mold base.

[0011] In a guide vane mold ejection auxiliary device according to the utility model, the driving mechanism includes a connecting plate, which is movably arranged at the inner lower end of the lower mold base, and the bottom of the outer mold core movable block and the bottom of the inner mold core movable block are fixedly connected with a connecting rod, and the lower end of the connecting rod slides through the top of the lower mold base and is fixedly connected to the connecting plate.

[0012] In a guide vane mold ejection auxiliary device according to the utility model, the driving mechanism also includes a cylinder, the cylinder is fixedly installed on the inner top of the lower mold base, and the bottom of the piston rod of the cylinder is fixedly connected to the top of the connecting plate.

[0013] In a guide vane mold ejection auxiliary device according to the utility model, the top of the upper mold is connected to a plurality of casting ports.

[0014] In a guide vane mold ejection auxiliary device according to the utility model, a limiting slide groove is provided on one side of the outer mold core fixed block, a limiting slider is fixedly connected to one side of the outer mold core movable block, and the limiting slider is slidably arranged in the limiting slide groove.

[0015] In a guide vane mold ejection auxiliary device according to the utility model, a guide slot is provided at the bottom of the side mold, a slide rail is fixedly connected to the top of the lower mold base, and the guide slot is slidably arranged on the slide rail.

[0016] The utility model has at least the following beneficial effects:

[0017] The utility model can quickly cast and stably demould the guide blade body, thereby effectively improving the production efficiency of the guide blade body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1 is a schematic diagram of the structure of an existing guide vane;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of an existing guide vane;

[0021] Figure 3 It is a schematic diagram of the structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the explosion structure of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the lower mold of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the lower die of the utility model when it is lifted;

[0025] Figure 7 It is a schematic diagram of the local structure of the lower mold of the utility model;

[0026] Figure 8 It is a partial cross-sectional structural schematic diagram of the utility model;

[0027] Fig. 9 It is a structural schematic diagram of another viewing angle of the utility model;

[0028] Fig.10 for Figure 8 A schematic diagram of the enlarged structure of part A;

[0029] Fig.11 for Figure 6 Schematic diagram of the enlarged structure of part B in FIG.

[0030] Description of Figure Numbers:

[0031] 1. Upper mold; 101. Casting port;

[0032] 2. Lower mold; 201. Bottom plate; 202. Lower mold base; 203. Mold core; 2031. External mold core fixed block; 2032. External mold core movable block; 2033. Internal mold core movable block; 20331. Protrusion; 2034. Internal mold core fixed block; 2035. Internal sleeve casting channel; 2036. Blade casting channel; 204. Cylinder; 205. Connecting plate; 206. Connecting rod; 207. Slide rail;

[0033] 3. Guide vane body; 301. Outer tube; 302. Blade; 303. Inner tube; 3031. Step groove;

[0034] 4. Side mold. DETAILED DESCRIPTION

[0035] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0036] Please refer to Figures 1 to 11 As shown, the present embodiment provides a guide vane mold ejection auxiliary device, comprising a mold for producing a guide vane body 3, the mold comprising an upper mold 1, a lower mold 2 and a side mold 4, the top of the upper mold 1 is connected with a plurality of casting ports 101, the lower mold 2 comprises a bottom plate 201, a lower mold base 202 is fixedly installed on the top of the bottom plate 201, an inner mold core and an outer mold core arranged in an annular shape are arranged on the top of the lower mold base 202, the inner mold core is arranged inside the outer mold core, an inner sleeve casting channel 2035 is formed between the outer wall of the inner mold core and the inner wall of the outer mold core, a blade casting channel 2036 connected to the inner sleeve casting channel 2035 is arranged in an annular array on the outer mold core, two side molds 4 are arranged, the two side molds 4 surround the outer mold core after the mold is closed, an outer tube casting channel connected to the blade casting channel 2036 is formed between the inner wall of the side mold 4 and the outer wall of the outer mold core;

[0037] The inner mold core includes a plurality of inner mold core fixed blocks 2034, which are fixedly connected to the top of the lower mold base 202, and an inner mold core movable block 2033 is slidably inserted between two adjacent inner mold core fixed blocks 2034, and a protrusion 20331 for forming a step groove 3031 is opened on the outer wall of the inner mold core movable block 2033;

[0038] The outer mold core includes a plurality of outer mold core fixed blocks 2031 in an annular equidistant array, the outer mold core fixed block 2031 is fixedly connected to the top of the lower mold base 202, an outer mold core movable block 2032 is slidably arranged on the outer mold core fixed block 2031, in order to ensure that the outer mold core movable block 2032 can stably move up and down, a guide slide groove is provided at the bottom of the side mold 4, a slide rail 207 is fixedly connected to the top of the lower mold base 202, and the guide slide groove is slidably arranged on the slide rail 207, and a blade casting channel 2036 is formed between one side of the outer mold core movable block 2032 and one side of the outer mold core fixed block 2031 adjacent to and not in contact with it;

[0039] A driving mechanism for driving the outer core movable block 2032 and the inner core movable block 2033 to rise and fall is provided at the bottom of the lower die base 202, wherein the driving mechanism includes a connecting plate 205 and a cylinder 204, the connecting plate 205 is movably arranged at the inner lower end of the lower die base 202, the bottom of the outer core movable block 2032 and the bottom of the inner core movable block 2033 are fixedly connected with a connecting rod 206, the lower end of the connecting rod 206 slides through the top of the lower die base 202 and is fixedly connected to the connecting plate 205, the cylinder 204 is fixedly installed on the inner top of the lower die base 202, and the bottom of the piston rod of the cylinder 204 is fixedly connected to the top of the connecting plate 205.

[0040] Working principle: During casting, the two side molds 4 are molded together, and an outer tube pouring channel is formed between the inner wall of the side mold 4 and the outer wall of the outer mold core. Then, the upper mold 1 and the lower mold 2 are molded together so that the lower end of the upper mold 1 limits the side mold 4 inside the upper mold 1, and then the casting liquid is poured into the casting port 101. After cooling, the mold is opened, and the upper mold 1 is first removed from the lower mold 2, and then the two side molds 4 are separated. Then, the piston rod of the cylinder 204 is controlled to retract, thereby moving the connecting plate 205 upward. The connecting plate 205 moving upward drives the connecting plate 205 to move upward. The outer mold core movable block 2032 and the inner mold core movable block 2033 move upward, and the formed guide vane body 3 can be lifted by cooperating with the protrusion 20331 of the inner mold core movable block 2033. As the outer mold core movable block 2032 continues to move upward, the blade casting path 2036 formed between the outer mold core movable block 2032 and the side of the outer mold core fixed block 2031 adjacent to it and not in contact with it continues to expand, and then in the process of lifting and demolding the guide vane body 3, it will not cause obstruction to the blade 302, thereby achieving stable demolding of the guide vane body 3.

[0041] Specifically, in order to ensure that the two side molds 4 can be opened and closed stably, a guide groove is provided at the bottom of the side mold 4, and a slide rail 207 is fixedly connected to the top of the lower mold base 202, and the guide groove is slidably set on the slide rail 207.

[0042] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A guide vane mold ejection auxiliary device, characterized in that: The invention comprises an upper mold (1), a lower mold (2) and a side mold (4), wherein the lower mold (2) comprises a bottom plate (201), a lower mold base (202) is fixedly mounted on the top of the bottom plate (201), an inner mold core and an outer mold core arranged in a ring shape are arranged on the top of the lower mold base (202), the inner mold core is arranged inside the outer mold core, an inner sleeve casting channel (2035) is formed between the outer wall of the inner mold core and the inner wall of the outer mold core, a blade casting channel (2036) connected to the inner sleeve casting channel (2035) is arranged in a ring array on the upper side of the outer mold core, two side molds (4) are arranged, and the two side molds (4) surround the outer mold core after being molded together, and an outer tube casting channel connected to the blade casting channel (2036) is formed between the inner wall of the side mold (4) and the outer wall of the outer mold core; The inner mold core comprises a plurality of inner mold core fixing blocks (2034), the inner mold core fixing blocks (2034) are fixedly connected to the top of the lower mold base (202), an inner mold core movable block (2033) is slidably inserted between two adjacent inner mold core fixing blocks (2034), and a protrusion (20331) for forming a step groove (3031) is provided on the outer wall of the inner mold core movable block (2033); The outer mold core comprises a plurality of outer mold core fixing blocks (2031) in an annular equidistant array, the outer mold core fixing block (2031) being fixedly connected to the top of the lower mold base (202), an outer mold core movable block (2032) being slidably arranged on the outer mold core fixing block (2031), and the blade casting channel (2036) is formed between one side of the outer mold core movable block (2032) and one side of the outer mold core fixing block (2031) adjacent to and not in contact with the outer mold core fixing block (2031); The bottom of the lower mold base (202) is provided with a driving mechanism for driving the outer mold core movable block (2032) and the inner mold core movable block (2033) to rise and fall.

2. A guide vane mold ejection auxiliary device according to claim 1, characterized in that: The driving mechanism comprises a connecting plate (205), wherein the connecting plate (205) is movably arranged at the inner lower end of the lower mold base (202), and the bottom of the outer mold core movable block (2032) and the bottom of the inner mold core movable block (2033) are both fixedly connected with a connecting rod (206), and the lower end of the connecting rod (206) slides through the top of the lower mold base (202) and is fixedly connected to the connecting plate (205).

3. A guide vane mold ejection auxiliary device according to claim 2, characterized in that: The driving mechanism further comprises a cylinder (204), wherein the cylinder (204) is fixedly mounted on the inner top of the lower die base (202), and the bottom of the piston rod of the cylinder (204) is fixedly connected to the top of the connecting plate (205).

4. A guide vane mold ejection auxiliary device according to claim 3, characterized in that: The top of the upper mold (1) is connected to a plurality of casting ports (101).

5. A guide vane mold ejection auxiliary device according to claim 4, characterized in that: A limiting slide groove (20311) is provided on one side of the outer mold core fixed block (2031), and a limiting slider (20321) is fixedly connected to one side of the outer mold core movable block (2032), and the limiting slider (20321) is slidably arranged in the limiting slide groove (20311).

6. A guide vane mold ejection auxiliary device according to any one of claims 1 to 5, characterized in that: A guide slot is provided at the bottom of the side mold (4), a slide rail (207) is fixedly connected to the top of the lower mold base (202), and the guide slot is slidably arranged on the slide rail (207).

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