Tool for impeller sand blasting

Abstract

The utility model relates to a tool for impeller sand blasting. The tool comprises a tool shaft, a supporting plate for supporting the bottom of an impeller, a rotating shaft rotating in the tool shaft, an adjusting piece connected to the rotating shaft in a threaded mode, a limiting piece abutting against the side wall of a center hole of the impeller and a self-locking piece for locking the rotating shaft. The tool shaft rotates in the sand blasting machine; the middle section of the rotating shaft is provided with threads; the limiting pieces are arranged on the tool shaft in a circumferential array mode. One side of the limiting piece is located on the outer side of the tool shaft, and the other side of the limiting piece corresponds to the adjusting piece. The self-locking piece is arranged at the bottom of the tool shaft and corresponds to the rotating shaft; the supporting plate is located between the limiting piece and the self-locking piece. The problems that when the impeller is placed on an automatic sand blasting machine for sand blasting, the bottom face of the impeller is a machining face and does not need sand blasting, the center of the bottom face of the impeller is convex, so that the impeller is not prone to being flatly placed on a small rotating disc of the sand blasting machine, sand blasting is uneven, meanwhile, an existing tool cannot be matched with impellers of different specifications, different kinds of tools are needed, and the cost is high are solved. And the cost is too high.

Description

Technical Field

[0001] The utility model relates to the field of impellers, in particular to a tooling for impeller sandblasting. Background Art

[0002] The sandblasting machine belongs to the category of air conveying machinery. It uses compressed air in a pipeline to transport powdery granular materials from one place to another. During the process of converting kinetic energy into potential energy, the high-speed moving sand grains scour the surface of the object, achieving the effect of improving the surface quality of the object.

[0003] The on-site sandblasting machine is a double-station precision rotary table sandblasting machine disclosed in such a patent, with the patent number CN207696364U; the impeller is placed on the automatic sandblasting machine for sandblasting. However, since the bottom surface of the impeller is a machined surface and does not require sandblasting, and the center of the bottom surface of the impeller is convex, it is not easy to be placed flat on the small rotary table of the sandblasting machine, resulting in uneven sandblasting. Therefore, a specific tooling is needed to enable the impeller to rotate smoothly with the small rotary table for sandblasting; at the same time, the existing tooling cannot adapt to impellers of different specifications, resulting in the need for different types of tooling and excessive costs. Summary of the Utility Model

[0004] By providing a tooling for impeller sandblasting in the embodiments of the present application, the problems in the prior art are solved. When the impeller is placed on the automatic sandblasting machine for sandblasting, since the bottom surface of the impeller is a machined surface and does not require sandblasting, and the center of the bottom surface of the impeller is convex, it is not easy to be placed flat on the small rotary table of the sandblasting machine, resulting in uneven sandblasting. Therefore, a specific tooling is needed to enable the impeller to rotate smoothly with the small rotary table for sandblasting; at the same time, the existing tooling cannot adapt to impellers of different specifications, resulting in the need for different types of tooling and excessive costs.

[0005] The technical solutions adopted in the embodiments of the present application are as follows.

[0006] A tooling for impeller sandblasting includes a tooling shaft, a support plate for supporting the bottom of the impeller, a rotating shaft rotating in the tooling shaft, an adjusting member threadedly connected to the rotating shaft, a limiting member against the side wall of the central hole of the impeller, and a self-locking member for locking the rotating shaft; the tooling shaft rotates in the sandblasting machine; a thread is provided in the middle section of the rotating shaft; the limiting members are arranged in a circumferential array on the tooling shaft; one side of the limiting member is located outside the tooling shaft, and the other side of the limiting member corresponds to the adjusting member; the self-locking member is arranged at the bottom of the tooling shaft and corresponds to the rotating shaft; the support plate is located between the limiting member and the self-locking member.

[0007] As a further improvement of the above technical solution: The limiting member includes a first block, a second block rotatable on the tooling shaft, a first rod disposed on the second block, a pressing member abutting against the side wall of the central hole of the impeller, and a third block disposed on the pressing member; the second block is in the shape of a circular plate; the first rod rotates synchronously with the second block; the first block is disposed on the adjusting member; one end of the first rod corresponds to the first block, and the other end of the first rod is rotatably connected to the third block.

[0008] As a further improvement of the above technical solution: A first groove is formed in the first block; a fourth block is disposed on the first rod; the fourth block slides in the first groove.

[0009] As a further improvement of the above technical solution: Two sets of the second block, the first rod, the third block and the fourth block are arranged in an up-and-down array.

[0010] As a further improvement of the above technical solution: The pressing member is triangular; a rubber member is disposed on the end face of the pressing member; the shape of the rubber member corresponds to that of the pressing member.

[0011] As a further improvement of the above technical solution: The self-locking member includes a worm gear, a worm rotatable on the tooling shaft, and a second rod for facilitating the rotation of the worm; the second rod is disposed at one end of the worm; the worm gear is disposed on the rotating shaft.

[0012] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0013] 1. Since a tooling shaft rotates inside a sandblasting machine, a support plate is arranged on the tooling shaft. The support plate corresponds to the bottom of the impeller, and the support plate rotates synchronously with the tooling shaft. The inside of the tooling shaft is hollow, and a rotating shaft is rotatably connected inside the tooling shaft. A thread is arranged at the middle end of the rotating shaft, and an adjusting part is threadedly connected to the rotating shaft. The adjusting part is cylindrical, and the adjusting part moves up and down through the rotating shaft. A first block is arranged on the adjusting part, a first groove is formed in the first block, a fourth block is arranged in the first groove, the fourth block is arranged on a first rod, the fourth block slides along the first groove, a second block is arranged on the first rod, the second block is in the shape of a round plate, and the second block rotates on the side wall of the tooling shaft. The second block prevents sandblasting from entering the inside of the tooling shaft. The first rod passes through the second block. A third block is arranged on the pressing part, the third block is in the shape of an inverted U, and the third block rotates on the other end of the first rod. Two groups of the second block, the first rod, the third block and the fourth block are arranged in an up-and-down array. The pressing part is triangular, and a rubber part is arranged at the end of the pressing part. The shape of the rubber part corresponds to the end face of the pressing part. A worm gear is arranged at the bottom of the rotating shaft, a worm is rotatably connected to the bottom of the tooling shaft, the worm meshes with the worm gear, a second rod is arranged on the worm, the second rod is slidable, and the second rod facilitates the rotation of the worm. During use, the middle hole of the impeller is aligned with the tooling shaft and the bottom of the impeller corresponds to the support plate. Then, the second rod is rotated to drive the worm to rotate, thereby driving the adjusting part to move up and down, so that the pressing part gradually expands or gradually shrinks until it corresponds to the side wall of the central hole of the impeller. At this time, after the impeller is clamped, sandblasting is carried out, and at the same time, it will not affect the parts of the impeller surface where sandblasting cannot be carried out. Furthermore, a tooling for adapting to different specifications of impellers and adapting to impellers is realized. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of the tooling for impeller sandblasting in the present invention.

[0015] Figure 2 It is a cross-sectional view of the tooling for impeller sandblasting in the present invention.

[0016] Figure 3 It is Figure 1 a partial enlarged view of A in

[0017] Figure 4 It is Figure 2 a partial enlarged view of B in

[0018] In the figure: 1, tooling shaft; 2, support plate; 3, rotating shaft; 4, adjusting part; 5, limiting part; 51, first block; 511, first groove; 52, second block; 53, first rod; 531, fourth block; 54, pressing part; 541, rubber part; 55, third block; 6, self-locking part; 61, worm gear; 62, worm; 63, second rod. Detailed Embodiment

[0019] Embodiments of the present application provide a tooling for impeller sandblasting, which solves the problems in the prior art that when the impeller is placed on an automatic sandblasting machine for sandblasting, since the bottom surface of the impeller is a machined surface and does not need sandblasting, and the center of the bottom surface of the impeller is convex, it is not easy to be placed flat on the small turntable of the sandblasting machine, resulting in uneven sandblasting. Therefore, a specific tooling is required to enable the impeller to rotate smoothly with the small turntable for sandblasting. At the same time, the existing tooling cannot adapt to impellers of different specifications, resulting in the need for different types of tooling and excessive costs.

[0020] The technical solutions in the embodiments of the present application to solve the above problems are generally as follows

[0021] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementation manners.

[0022] A tooling for impeller sandblasting includes a tooling shaft 1, a support plate 2 for supporting the bottom of the impeller, a rotating shaft 3 rotating in the tooling shaft 1, an adjusting member 4 threadedly connected to the rotating shaft 3, a limiting member 5 against the side wall of the center hole of the impeller, and a self-locking member 6 for locking the rotating shaft 3; the tooling shaft 1 rotates in the sandblasting machine; a threaded section is provided in the middle section of the rotating shaft 3; the limiting members 5 are arranged in a circumferential array on the tooling shaft 1; one side of the limiting member 5 is located outside the tooling shaft 1, and the other side of the limiting member 5 corresponds to the adjusting member 4; the self-locking member 6 is arranged at the bottom of the tooling shaft 1 and corresponds to the rotating shaft 3; the support plate 2 is located between the limiting member 5 and the self-locking member 6.

[0023] The limiting member 5 includes a first block 51, a second block 52 rotating on the tooling shaft 1, a first rod 53 provided on the second block 52, a pressing member 54 against the side wall of the center hole of the impeller, and a third block 55 provided on the pressing member 54; the second block 52 is in the shape of a circular plate; the first rod 53 rotates synchronously with the second block 52; the first block 51 is arranged on the adjusting member 4; one end of the first rod 53 corresponds to the first block 51, and the other end of the first rod 53 is rotatably connected to the third block 55.

[0024] A first groove 511 is provided on the first block 51; a fourth block 531 is provided on the first rod 53; the fourth block 531 slides in the first groove 511.

[0025] Two groups of the second block 52, the first rod 53, the third block 55 and the fourth block 531 are arranged in an up-and-down array.

[0026] The pressing member 54 is triangular; a rubber member 541 is provided on the end face of the pressing member 54; the shape of the rubber member 541 corresponds to that of the pressing member 54.

[0027] The self-locking member 6 includes a worm gear 61, a worm 62 rotating on the tooling shaft 1, and a second rod 63 for facilitating the rotation of the worm 62; the second rod 63 is provided at one end of the worm 62; the worm gear 61 is provided on the rotating shaft 3.

[0028] The tooling shaft 1 rotates inside the sandblasting machine. A support plate 2 is arranged on the tooling shaft 1. The support plate 2 corresponds to the bottom of the impeller. The support plate 2 rotates synchronously with the tooling shaft 1. The interior of the tooling shaft 1 is hollow. A rotating shaft 3 is rotatably connected inside the tooling shaft 1. A thread is provided at the middle end of the rotating shaft 3. An adjusting member 4 is threadedly connected to the rotating shaft 3. The adjusting member 4 is cylindrical. The adjusting member 4 moves up and down through the rotating shaft 3. A first block 51 is arranged on the adjusting member 4. A first groove 511 is formed in the first block 51. A fourth block 531 is arranged in the first groove 511. The fourth block 531 is arranged on a first rod 53. The fourth block 531 slides along the first groove 511. A second block 52 is arranged on the first rod 53. The second block 52 is in the shape of a circular plate. The second block 52 rotates on the side wall of the tooling shaft 1. The second block 52 prevents sandblasting from entering the interior of the tooling shaft 1. The first rod 53 passes through the second block 52. A third block 55 is arranged on the pressing member 54. The third block 55 is in the shape of an inverted U. The third block 55 rotates at the other end of the first rod 53. Two groups of the second block 52, the first rod 53, the third block 55 and the fourth block 531 are arranged in an up-and-down array. The pressing member 54 is triangular. A rubber member 541 is arranged at the end of the pressing member 54. The shape of the rubber member 541 corresponds to the end face of the pressing member 54. A worm gear 61 is arranged at the bottom of the rotating shaft 3. A worm 62 is rotatably connected to the bottom of the tooling shaft 1. The worm 62 meshes with the worm gear 61. A second rod 63 is arranged on the worm 62. The second rod 63 is slidable. The second rod 63 facilitates the rotation of the worm 62. During use, the middle hole of the impeller is aligned with the tooling shaft 1 and the bottom of the impeller is aligned with the support plate 2. Then, the second rod 63 is rotated to drive the worm 62 to rotate, thereby driving the adjusting member 4 to move up and down, so that the pressing member 54 gradually expands or gradually contracts until it corresponds to the side wall of the central hole of the impeller. At this time, after the impeller is clamped, sandblasting is carried out, and at the same time, it will not affect the parts of the impeller surface where sandblasting cannot be carried out.

[0029] Since the tooling shaft 1 rotates inside the sandblasting machine, a support plate 2 is arranged on the tooling shaft 1. The support plate 2 corresponds to the bottom of the impeller. The support plate 2 rotates synchronously with the tooling shaft 1. The inside of the tooling shaft 1 is hollow. A rotating shaft 3 is rotatably connected inside the tooling shaft 1. A thread is provided at the middle end of the rotating shaft 3. An adjusting member 4 is threadedly connected to the rotating shaft 3. The adjusting member 4 is cylindrical. The adjusting member 4 moves up and down through the rotating shaft 3. A first block 51 is arranged on the adjusting member 4. A first groove 511 is formed in the first block 51. A fourth block 531 is arranged in the first groove 511. The fourth block 531 is arranged on a first rod 53. The fourth block 531 slides along the first groove 511. A second block 52 is arranged on the first rod 53. The second block 52 is in the shape of a round plate. The second block 52 rotates on the side wall of the tooling shaft 1. The second block 52 prevents sandblasting from entering the inside of the tooling shaft 1. The first rod 53 passes through the second block 52. A third block 55 is arranged on the pressing member 54. The third block 55 is in the shape of an inverted U. The third block 55 rotates at the other end of the first rod 53. Two groups of the second block 52, the first rod 53, the third block 55 and the fourth block 531 are arranged in an up-and-down array. The pressing member 54 is triangular. A rubber member 541 is arranged at the end of the pressing member 54. The shape of the rubber member 541 corresponds to the end face of the pressing member 54. A worm gear 61 is arranged at the bottom of the rotating shaft 3. A worm 62 is rotatably connected to the bottom of the tooling shaft 1. The worm 62 meshes with the worm gear 61. A second rod 63 is arranged on the worm 62. The second rod 63 is slidable. The second rod 63 facilitates the rotation of the worm 62. During use, the middle hole of the impeller is aligned with the tooling shaft 1 and the bottom of the impeller is aligned with the support plate 2. Then, the second rod 63 is rotated to drive the worm 62 to rotate, thereby driving the adjusting member 4 to move up and down, so that the pressing member 54 gradually expands or gradually contracts until it corresponds to the side wall of the central hole of the impeller. At this time, after the impeller is clamped, sandblasting is carried out, and at the same time, it will not affect the parts of the impeller surface where sandblasting cannot be carried out. Furthermore, a tooling for adapting to impellers of different specifications and adapting to the impeller is realized.

[0030] Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications once they learn the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0031] 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 equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

1. An impeller sandblasting tooling, characterized in that, It includes a tooling shaft (1), a support plate (2) for supporting the bottom of the impeller, a rotating shaft (3) rotating within the tooling shaft (1), an adjusting member (4) threadedly connected to the rotating shaft (3), a limiting member (5) against the side wall of the impeller center hole, and a self-locking member (6) for locking the rotating shaft (3); the tooling shaft (1) rotates within the sandblasting machine; a thread is provided in the middle section of the rotating shaft (3); the limiting members (5) are arranged in a circumferential array on the tooling shaft (1); one side of the limiting member (5) is located outside the tooling shaft (1), and the other side of the limiting member (5) corresponds to the adjusting member (4); the self-locking member (6) is provided at the bottom of the tooling shaft (1) and corresponds to the rotating shaft (3); the support plate (2) is located between the limiting member (5) and the self-locking member (6).

2. The tooling for impeller sandblasting according to claim 1, characterized in that, The limiting member (5) includes a first block (51), a second block (52) rotating on the tooling shaft (1), a first rod (53) provided on the second block (52), a pressing member (54) against the side wall of the impeller center hole, and a third block (55) provided on the pressing member (54); the second block (52) is in the shape of a circular plate; the first rod (53) rotates synchronously with the second block (52); the first block (51) is provided on the adjusting member (4); one end of the first rod (53) corresponds to the first block (51), and the other end of the first rod (53) is rotatably connected to the third block (55).

3. The tooling for impeller sandblasting according to claim 2, wherein A first groove (511) is provided on the first block (51); a fourth block (531) is provided on the first rod (53); the fourth block (531) slides within the first groove (511).

4. The tooling for impeller sandblasting according to claim 3, wherein Two sets of the second block (52), the first rod (53), the third block (55), and the fourth block (531) are arranged vertically in an array.

5. The tooling for impeller sandblasting according to claim 4, characterized in that, The pressing member (54) is triangular; a rubber member (541) is provided on the end face of the pressing member (54); the shape of the rubber member (541) corresponds to that of the pressing member (54).

6. The tooling for impeller sandblasting according to claim 1, characterized in that The self-locking member (6) includes a worm gear (61), a worm (62) rotating on the tooling shaft (1), and a second rod (63) for facilitating the rotation of the worm (62); the second rod (63) is provided at one end of the worm (62). The worm gear (61) is provided on the rotating shaft (3).

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