Auxiliary tool for impeller casting

Abstract

The utility model relates to an impeller casting auxiliary tool. The impeller casting auxiliary tool comprises a shell, a supporting piece detachably connected to the upper portion of the shell, a connecting piece arranged on the supporting piece, a beating piece for beating a sand mold, a rotating piece for driving the beating piece to operate and a driving piece for driving the rotating piece to rotate. The driving piece is arranged on the connecting piece; the rotating piece is rotationally connected in the connecting piece; the striking piece is arranged on the connecting piece; the striking piece corresponds to the rotating piece; and a plurality of striking pieces are arranged in a circumferential array. The problems that although impeller sand mold casting can be assisted, an internal sand mold is crushed through a demolding mechanism, the structure of the demolding mechanism needs to be manually controlled, only one side of the sand mold can be crushed, and the pressing and crushing efficiency is too low are solved.

Description

Technical Field

[0001] The utility model relates to the field of impellers, in particular to an impeller casting auxiliary tooling. Background Art

[0002] In the prior art, the impeller refers to a wheel disc with moving blades, which is a component of the impulse turbine rotor, and can also refer to the general term for the wheel disc and the rotating blades installed thereon. Impellers can be classified according to their shape and opening and closing conditions. At present, sand casting is mostly used in the production of impellers. Sand is used as the main molding material, and the mold cavity is formed by compacting the mold sand. After the molten metal is poured and solidified, the sand mold is broken to take out the casting.

[0003] For example, the Chinese authorized patent "A kind of impeller casting auxiliary tooling" with announcement number CN218903585U includes a shell, a front plate is provided at the front end of the shell, and the shell and the front plate are plugged and fixed, and a top plate is fixedly provided on the top of the shell; it also includes: a pressure plate, which is arranged below the top plate, and a lifting plate is fixedly provided at the middle position of the upper end surface of the pressure plate, and the lifting plate passes through and extends to the top of the top plate; a demolding mechanism, which is arranged on one side of the shell, and screws are rotatably installed at the front and back of the demolding mechanism, and a telescopic rod is installed on the outside of the screw, the telescopic rod is matched with the screw thread, and one end of the telescopic rod extends to the inside of the shell, which can solve the problem that the impeller is inconvenient to remove due to the high temperature of the sand mold box after the impeller is formed, thereby improving production efficiency.

[0004] Although the above-mentioned prior art can assist the impeller sand casting and crush the internal sand mold through the demoulding mechanism, the structure of this demoulding mechanism requires manual control and can only crush one side of the sand mold, and the efficiency of crushing by pressing is too low. Utility Model Content

[0005] The embodiment of the present application provides an impeller casting auxiliary tooling to solve the problem that although the prior art can assist in impeller sand casting and crush the internal sand mold through a demolding mechanism, the structure of this demolding mechanism requires manual control and can only crush one side of the sand mold, and the efficiency of crushing by compression is too low.

[0006] The technical solution adopted in the embodiments of the present application is as follows.

[0007] An impeller casting auxiliary tooling comprises a shell, a support member detachably connected to the top of the shell, a connecting member arranged on the supporting member, a striking member for striking the sand mold, a rotating member driving the striking member to operate, and a driving member for driving the rotating member to rotate; the driving member is arranged on the connecting member; the rotating member is rotatably connected in the connecting member; the striking member is arranged on the connecting member; the striking member corresponds to the rotating member; a plurality of striking members are arranged in a circular array.

[0008] As a further improvement of the above technical solution: the striking member includes a connecting rod, a first plate arranged on the connecting rod, a rebound member for rebounding the connecting rod, a first block for hitting the sand mold and a buffer member for buffering the first block; the connecting rod slides on the connecting member; the rebound member is sleeved on the connecting rod; a first groove is opened in the shell; one end of the rebound member abuts against the first groove, and the other end of the rebound member abuts against the first plate; the first block is arranged at the other end of the connecting rod; the buffer member is located in the first block; the top of the connecting rod corresponds to the rotating member.

[0009] As a further improvement of the above technical solution: a protrusion is provided on the rotating member; the protrusion is arc-shaped; a third block is provided on the connecting rod; when the third block contacts the protrusion, the connecting rod gradually moves toward the sand mold.

[0010] As a further improvement of the above technical solution: a second groove is opened on the first block; a second plate is arranged at the other end of the connecting rod; the second plate slides in the second groove; the buffer is sleeved on the connecting rod; one end of the buffer abuts against the second plate, and the other end of the buffer abuts against the second groove.

[0011] As a further improvement of the above technical solution: a second block is arranged on the first block; and the second block is in contact with the sand mold.

[0012] As a further improvement of the above technical solution: the second block and the third block are both hemispherical.

[0013] As a further improvement of the above technical solution: a baffle is detachably connected to one side of the shell.

[0014] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0015] 1. Due to the square shape of the shell, the inside of the shell is hollow and the top is open, a baffle is detachably connected to one side of the shell, a support is detachably connected to the top of the shell, a connecting piece is arranged on the support, the connecting piece is cylindrical, a first groove is arranged in the connecting piece, a rotating piece is rotatably connected in the first groove, the rotating piece is in the shape of a circular plate, a protrusion is arranged on the rotating piece, the protrusion is arc-shaped, and 7 groups of protrusions are arranged in a circular array, a connecting rod is slidably connected to the connecting piece, the connecting rod is in the shape of a circular rod, a third block is arranged on the top of the connecting rod, the third block is hemispherical, a first plate is arranged on the top of the connecting rod, a rebound piece is arranged between the first plate and the first groove, and the rebound piece sleeve is arranged On the connecting rod, one end of the rebound member abuts against the first plate, and the other side of the rebound member abuts against the first groove. A second plate is provided at the bottom of the connecting rod, and the first block slides on the bottom of the connecting rod. A second groove is provided on the first block, and the second plate slides in the second groove. A buffer is sleeved on the connecting rod, and one end of the buffer abuts against the second plate, and the other side of the buffer abuts against the second groove. Therefore, when the first block contacts the sand mold, the buffer buffers the force to prevent the first block from colliding with the sand mold and reducing the practical life. The third block contacts the protrusion, and the third block and the second block are both hemispherical, thereby realizing rapid crushing of the sand mold and preventing damage to the device due to excessive force during crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the impeller casting auxiliary tooling in the utility model.

[0017] Figure 2 It is a cross-sectional view of the impeller casting auxiliary tooling in the utility model.

[0018] Figure 3 for Figure 2 A partial enlarged view of middle A.

[0019] In the figure: 1, shell; 12, baffle; 2, support member; 3, connecting member; 31, first groove; 4, striking member; 41, connecting rod; 411, third block; 412, second plate; 42, first plate; 43, rebound member; 44, first block; 441, second groove; 442, second block; 45, buffer member; 5, rotating member; 51, protrusion; 6, driving member. DETAILED DESCRIPTION

[0020] The embodiment of the present application provides an impeller casting auxiliary tooling to solve the problem that although the prior art can assist in impeller sand casting and crush the internal sand mold through a demolding mechanism, the structure of this demolding mechanism requires manual control and can only crush one side of the sand mold, and the efficiency of crushing by compression is too low.

[0021] The technical solution in the embodiment of the present application is to solve the above problems, and the overall idea is as follows

[0022] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] An impeller casting auxiliary tooling includes a shell 1, a support member 2 detachably connected to the top of the shell 1, a connecting member 3 arranged on the supporting member 2, a striking member 4 for striking the sand mold, a rotating member 5 for driving the striking member 4 to operate, and a driving member 6 for driving the rotating member 5 to rotate; the driving member 6 is arranged on the connecting member 3; the rotating member 5 is rotatably connected in the connecting member 3; the striking member 4 is arranged on the connecting member 3; the striking member 4 corresponds to the rotating member 5; a plurality of striking members 4 are arranged in a circular array.

[0024] The striking member 4 includes a connecting rod 41, a first plate 42 arranged on the connecting rod 41, a rebound member 43 for rebounding the connecting rod 41, a first block 44 for striking the sand mold, and a buffer member 45 for buffering the first block 44; the connecting rod 41 slides on the connecting member 3; the rebound member 43 is sleeved on the connecting rod 41; a first groove 31 is opened in the connecting member 3; one end of the rebound member 43 abuts against the first groove 31, and the other end of the rebound member 43 abuts against the first plate 42; the first block 44 is arranged at the other end of the connecting rod 41; the buffer member 45 is located in the first block 44; the top of the connecting rod 41 corresponds to the rotating member 5.

[0025] The rotating member 5 is provided with a protrusion 51 ; the protrusion 51 is arc-shaped; the connecting rod 41 is provided with a third block 411 ; when the third block 411 contacts the protrusion 51 , the connecting rod 41 gradually moves toward the sand mold.

[0026] A second groove 441 is formed on the first block 44 ; a second plate 412 is provided at the other end of the connecting rod 41 ; the second plate 412 slides in the second groove 441 ; a buffer 45 is sleeved on the connecting rod 41 ; one end of the buffer 45 abuts against the second plate 412 , and the other end of the buffer 45 abuts against the second groove 441 .

[0027] A second block 442 is disposed on the first block 44; the second block 442 is in contact with the sand mold.

[0028] The second block 442 and the third block 411 are both hemispherical.

[0029] A baffle 12 is detachably connected to one side of the housing 1 .

[0030] The shell 1 is square, hollow inside and open at the top, a baffle 12 is detachably connected to one side of the shell 1, a support member 2 is detachably connected to the top of the shell 1, a connecting member 3 is provided on the supporting member 2, the connecting member 3 is cylindrical, a first groove 31 is provided in the connecting member 3, a rotating member 5 is rotatably connected in the first groove 31, the rotating member 5 is in the shape of a circular plate, a protrusion 51 is provided on the rotating member 5, the protrusion 51 is arc-shaped, and 7 groups of protrusions 51 are arranged in a circular array, a connecting rod 41 is slidably connected to the connecting member 3, the connecting rod 41 is in the shape of a circular rod, a third block 411 is provided on the top of the connecting rod 41, the third block 411 is hemispherical, a first plate 42 is provided on the top of the connecting rod 41, a rebound member 43 is provided between the first plate 42 and the first groove 31, and a rebound member 43 is provided between the first plate 42 and the first groove 31. The elastic member 43 is sleeved on the connecting rod 41, one end of the resilient member 43 abuts against the first plate 42, and the other side of the resilient member 43 abuts against the first groove 31. A second plate 412 is provided at the bottom of the connecting rod 41, and the first block 44 slides at the bottom of the connecting rod 41. A second groove 441 is provided on the first block 44, and the second plate 412 slides in the second groove 441. A buffer member 45 is sleeved on the connecting rod 41, and one end of the buffer member 45 abuts against the second plate 412, and the other side of the buffer member 45 abuts against the second groove 441. Therefore, when the first block 44 contacts the sand mold, the buffer member 45 buffers the force to prevent the first block 44 from colliding with the sand mold, thereby reducing the practical life. The third block 411 contacts the protrusion 51, and the third block 411 and the second block 442 are both hemispherical.

[0031] Since the shell 1 is square, the inside of the shell 1 is hollow and the top is open, a baffle 12 is detachably connected to one side of the shell 1, and a support member 2 is detachably connected to the top of the shell 1. A connecting member 3 is provided on the support member 2, and the connecting member 3 is cylindrical. A first groove 31 is provided in the connecting member 3, and a rotating member 5 is rotatably connected in the first groove 31. The rotating member 5 is in the shape of a circular plate, and a protrusion 51 is provided on the rotating member 5. The protrusion 51 is arc-shaped, and 7 groups of protrusions 51 are arranged in a circular array. A connecting rod 41 is slidably connected to the connecting member 3, and the connecting rod 41 is in the shape of a circular rod. A third block 411 is provided on the top of the connecting rod 41, and the third block 411 is hemispherical. A first plate 42 is provided on the top of the connecting rod 41, and a rebound member 43 is provided between the first plate 42 and the first groove 31. The rebound member 43 is sleeved on the connecting rod 41. One end of the rebound member 43 abuts against the first plate 42, and the other side of the rebound member 43 abuts against the first groove 31. A second plate 412 is provided at the bottom of the connecting rod 41. The first block 44 slides on the bottom of the connecting rod 41. A second groove 441 is provided on the first block 44. The second plate 412 slides in the second groove 441. A buffer member 45 is sleeved on the connecting rod 41. One end of the buffer member 45 abuts against the second plate 412, and the other side of the buffer member 45 abuts against the second groove 441. Therefore, when the first block 44 contacts the sand mold, the buffer member 45 buffers the force to prevent the first block 44 from colliding with the sand mold head-on, thereby reducing the practical life. The third block 411 contacts the protrusion 51, and the third block 411 and the second block 442 are both hemispherical, thereby realizing rapid crushing of the sand mold and preventing damage to the device due to excessive force during crushing.

[0032] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0033] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An impeller casting auxiliary tooling, characterized in that: The invention comprises a shell (1), a support member (2) detachably connected to the upper part of the shell (1), a connecting member (3) arranged on the supporting member (2), a striking member (4) for striking the sand mold, a rotating member (5) for driving the striking member (4) to operate, and a driving member (6) for driving the rotating member (5) to rotate; the driving member (6) is arranged on the connecting member (3); the rotating member (5) is rotatably connected in the connecting member (3); the striking member (4) is arranged on the connecting member (3); the striking member (4) corresponds to the rotating member (5); and a plurality of striking members (4) are arranged in a circular array.

2. The impeller casting auxiliary tooling according to claim 1, characterized in that: The striking member (4) comprises a connecting rod (41), a first plate (42) arranged on the connecting rod (41), a rebound member (43) for rebounding the connecting rod (41), a first block (44) for striking the sand mold, and a buffer member (45) for buffering the first block (44); the connecting rod (41) slides on the connecting member (3); the rebound member (43) is sleeved on the connecting rod (41); a first groove (31) is provided in the connecting member (3); one end of the rebound member (43) abuts against the first groove (31), and the other end of the rebound member (43) abuts against the first plate (42); the first block (44) is arranged at the other end of the connecting rod (41); the buffer member (45) is located in the first block (44); the top of the connecting rod (41) corresponds to the rotating member (5).

3. The impeller casting auxiliary tooling according to claim 2, characterized in that: The rotating member (5) is provided with a protrusion (51); the protrusion (51) is arc-shaped; the connecting rod (41) is provided with a third block (411); when the third block (411) contacts the protrusion (51), the connecting rod (41) gradually moves toward the sand mold.

4. The impeller casting auxiliary tooling according to claim 3, characterized in that: A second groove (441) is provided on the first block (44); a second plate (412) is provided at the other end of the connecting rod (41); the second plate (412) slides in the second groove (441); the buffer member (45) is sleeved on the connecting rod (41); one end of the buffer member (45) abuts against the second plate (412), and the other end of the buffer member (45) abuts against the second groove (441).

5. The impeller casting auxiliary tooling according to claim 4, characterized in that: A second block (442) is arranged on the first block (44); the second block (442) is in contact with the sand mold.

6. The impeller casting auxiliary tooling according to claim 5, characterized in that: The second block (442) and the third block (411) are both hemispherical.

7. The impeller casting auxiliary tooling according to claim 1, characterized in that: A baffle (12) is detachably connected to one side of the housing (1).

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