Steel claw shot blasting device

Abstract

The utility model discloses a steel claw shot blasting device, which belongs to the technical field of electrolytic aluminum processing equipment, and is characterized in that a shell is provided with a first chamber and a second chamber which are communicated, one side of the second chamber is connected with a motor end cover, a motor shaft extends into the second chamber, one side of the first chamber is provided with a feed port, and the feed port is provided with a steel shot directional sleeve; a shot blasting wheel connected with the motor shaft is arranged in the first cavity, the shot blasting wheel is provided with blades, the steel sand directional sleeve is in running fit with the shot blasting wheel, the steel sand directional sleeve is provided with a sand outlet facing the blades, the first cavity is provided with a sand blasting nozzle, and a protection mechanism is arranged between the shot blasting wheel and the motor end cover and comprises a first protection piece arranged on the motor shaft in a sleeving mode; and the second protection piece is arranged on the motor end cover, the first protection piece is provided with a first check ring and a second check ring which are arranged at an interval, and the second protection piece is correspondingly provided with a third check ring and a fourth check ring. The steel claw shot blasting device can be horizontally arranged through the protection mechanism, so that the risk that a seal and a motor are damaged by sand shots is effectively reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrolytic aluminum processing equipment, and particularly relates to a steel claw shot blasting device. Background Art

[0002] In the anode assembly process of electrolytic aluminum production, the oxide scale, electrolyte and other debris attached to the surface of the anode steel claws have an adverse effect on the casting quality of the anode assembly. In order to ensure the cleanliness of the steel claw surface, improve the casting quality and reduce the iron-carbon pressure drop, it is necessary to clean the oxide scale, electrolyte and other debris on the surface of the steel claws.

[0003] At present, most steel claws are cleaned by chain throwing, or shot blasting machines are installed vertically to prevent steel sand from accumulating on the motor output shaft and causing grinding of the output shaft. There are some areas between the steel claws that cannot be reached by the chain throwing during chain throwing. The vertically installed shot blasting machine throws out steel sand in a vertical fan-shaped projection surface from top to bottom. Since the steel claw heads are arranged horizontally when the anode steel claws are online, the projected steel sand cannot hit all the steel claw heads at the same time. To ensure the quality of steel claw cleaning, the shot blasting machine needs to be installed at an angle to ensure that the steel sand is projected in a horizontal fan-shaped surface. Only two shot blasting machines need to be installed on both sides of the steel claws to shot blast all the steel claw heads at the same time. The shot blasting machine is installed horizontally, and the steel sand that is not ejected accumulates in the shot blasting machine, thereby grinding the seal. Over time, it will cause serious wear on the motor shaft and motor end cover, resulting in the shot blasting machine motor being stuck, or even steel sand entering the motor, causing the motor to burn out. Utility Model Content

[0004] The utility model aims to provide a steel claw shot blasting device, aiming to solve the problems existing in the prior art in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A steel claw shot blasting device comprises a shell, the shell having a first chamber and a second chamber connected to each other, one side of the second chamber is connected to the motor end cover, the motor shaft passes through the motor end cover and extends into the second chamber, a feed port is provided on one side of the first chamber, the feed port is provided with a steel sand orientation sleeve connected to the feed port, a shot blasting wheel connected to the motor shaft is provided in the first chamber, blades are evenly arranged circumferentially on the shot blasting wheel, the steel sand orientation sleeve is rotatably matched with the shot blasting wheel, and the steel sand orientation sleeve is provided with a sand outlet facing the blades, a sand blasting nozzle is provided in the first chamber, a protective mechanism is provided between the shot blasting wheel and the motor end cover, the protective mechanism comprises a first protective member sleeved on the motor shaft, and a second protective member provided on the motor end cover, the first protective member has a first retaining ring and a second retaining ring arranged at intervals and facing the second protective member, the second protective member is provided with a third retaining ring spaced and matched with the first retaining ring, and a fourth retaining ring spaced and matched with the second retaining ring.

[0007] Furthermore, the second chamber is provided with a sand discharge port, and the bottom of the third retaining ring is provided with a conical surface, and the conical surface is inclined toward one side of the motor shaft.

[0008] Furthermore, the sandblasting nozzle includes parallel and spaced side panels, and two groups of positioning plates arranged between the side panels, one end of the positioning plate is hinged to the side panel, and the other end is provided with a first positioning hole, and the side panel is evenly provided with second positioning holes along the rotation path of the positioning plate, and the aligned first positioning holes and second positioning holes are fixed by positioning pins.

[0009] Compared with the shortcomings and deficiencies of the prior art, the utility model has the following beneficial effects.

[0010] 1. The utility model provides a steel claw shot blasting device, wherein sand shots are introduced into a shell along a feed port, and are oriented by steel sand to be sleeved out of a sand port guide blade, and a motor shaft drives a grinding wheel to rotate, thereby driving the blade to rotate at a high speed, and some sand shots are sprayed out along a spray nozzle after colliding with the blade to clean the steel claw, and some sand shots are introduced into a second chamber, and the motor shaft drives a first protective member to rotate at a high speed, and a conical surface is provided at the bottom of a third retaining ring of the second protective member, so that the sand shots are guided to a sand discharge port, effectively reducing the risk of sand shots wearing and sealing and affecting the operation of the motor, so that the steel claw shot blasting device can be horizontally arranged, which is conducive to ensuring the stable operation of the steel claw shot blasting device.

[0011] 2. The sandblasting nozzle is provided with a positioning plate. By adjusting the distance between the ends of the positioning plates on both sides, the size of the spray nozzle opening is adjusted, so that the sand shots can be thrown out in a concentrated manner to improve the fixed-point cleaning effect of the sand shots, which is beneficial to improving the application scope of the steel claw shot blasting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the internal structure of the shell in the utility model.

[0013] Figure 2 yes Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0014] Figure 3 It is a structural schematic diagram of the sandblasting nozzle in the utility model.

[0015] In the figure: 1-housing; 2-motor end cover; 3-motor shaft; 4-shot blasting wheel; 5-blade; 6-steel sand directional sleeve; 7-feeding port; 8-second chamber; 9-first chamber; 10-sand outlet; 11-sand outlet; 12-second protective member; 13-first protective member; 14-support ring; 15-skeleton oil seal; 16-first retaining ring; 17-second retaining ring; 18-third retaining ring; 19-fourth retaining ring; 20-conical surface; 21-first annular chamber; 22-second annular chamber; 23-sandblasting nozzle; 24-side plate; 25-positioning plate; 26-second positioning hole; 27-positioning pin. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] Reference Figure 1 A steel claw shot blasting device comprises a shell 1, wherein the shell 1 has two connected chambers, wherein one side of the first chamber 9 is connected to the motor end cover 2, the motor shaft 3 passes through the motor end cover 2 and penetrates into the first chamber 9, a feed port 7 is provided on one side of the second chamber 8, a steel sand orientation sleeve 6 connected to the feed port 7 is provided at the feed port 7, the steel sand orientation sleeve 6 is located in the second chamber 8, the steel sand orientation sleeve 6 is provided with a sand outlet 10, a shot blasting wheel 4 is provided in the second chamber 8, the shot blasting wheel 4 is circumferentially evenly arranged with blades 5 around its axis, the steel sand orientation sleeve 6 penetrates into the shot blasting wheel 4 and rotates with the shot blasting wheel 4, the sand outlet 10 faces the blades 5, the bottom of the shot blasting wheel 4 is connected to the motor shaft 3, a sand blasting nozzle 23 is provided on the side wall of the second chamber 8, and a sand discharge port 11 is provided on the side wall of the first chamber 9.

[0018] The motor shaft 3 drives the shot blasting wheel 4 to rotate, and the shot blasting wheel 4 drives the blades 5 to rotate. The sand pills are introduced into the steel sand orientation sleeve 6 along the feed port 7, and are discharged from the shot blasting wheel 4 through the sand outlet 10. The blades 5 rotate at high speed and hit the sand pills. Some of the sand pills are ejected along the sand blasting nozzle 23 at high speed to clean the surface of the steel claws, and some of the sand pills flow to the first chamber 9 and are discharged through the sand outlet 11. The sand outlet can be connected to a pipeline to facilitate the reuse of the recovered sand pills.

[0019] Reference Figure 2 A protective mechanism is provided in the first chamber 9, and the protective mechanism includes a first protective member 13 and a second protective member 12 of an umbrella-shaped structure. The first protective member 13 is sleeved on the motor shaft 3, and the first protective member 13 is located at the bottom of the shot blasting wheel 4. The motor shaft 3 is sleeved with a support ring 14, and the support ring 14 is located at the bottom of the first protective member 13. The second protective member 12 is arranged on the motor end cover 2, and a skeleton oil seal 15 is provided between the second protective member 12 and the support ring 14. The first protective member 13 is provided with a first retaining ring 16 and a second retaining ring 17 at intervals, and the second protective member 12 is provided with a third retaining ring 18 and a fourth retaining ring 19 at intervals, wherein the third retaining ring 18 is aligned with the first retaining ring 16 and is spaced apart, and the fourth retaining ring 19 is aligned with the second retaining ring 17 and is spaced apart. The first protective member 13 rotates with the motor shaft 3 to dynamically block the sand pills, and the first protective member 13 and the second protective member 12 form a first annular chamber 21 and a second annular chamber 22 to statically block the sand pills to prevent the sand pills from affecting the operation of the motor shaft 3.

[0020] In one embodiment, a conical surface 20 is provided at the bottom of the third retaining ring 18, and the conical surface 20 is inclined toward the motor shaft 3. After the sand pellets flow into the first chamber 9, the first retaining ring 16 and the conical surface 20 cooperate to guide the sand pellets to the sand discharge port 11.

[0021] In one embodiment, referring to Figure 3 The sandblasting nozzle 23 has a flat structure as a whole. The sandblasting nozzle 23 includes parallel side plates 24 on both sides, and two groups of positioning plates 25 arranged between the parallel side plates 24. One end of the positioning plate 25 is hinged to the side plate 24 so that the positioning plate 25 can rotate around its hinged end. The other end is provided with a first positioning hole. The parallel side plates 24 are evenly spaced along the rotation path of the positioning plate 25. The aligned first positioning holes and the second positioning holes 26 are fixed by positioning pins 27. By rotating the positioning plates 25 on both sides, the opening size of the sandblasting nozzle 23 can be adjusted. By reducing the opening of the sandblasting nozzle 23, the sand shots can be concentratedly sprayed, and the fixed-point cleaning ability is improved, thereby adapting to different cleaning conditions.

[0022] When the steel claw shot blasting device is in use, the sand shots enter the steel sand orienting sleeve 6 along the feed port 7, flow toward the blade 5 along the sand outlet 10, and the motor shaft 3 drives the blade 5 to rotate at high speed through the shot blasting wheel 4. After the blade 5 collides with the sand shots, some of the sand shots are ejected at high speed through the sand blasting nozzle 23 to clean the surface of the steel claw, and some of the sand shots move to the first chamber 9. The first protective member 13 rotates at high speed with the motor shaft 3, and cooperates with the conical surface 20 set at the bottom of the second protective member 12 to guide the sand shots to the sand outlet 11, thereby reducing the risk of the sand shots flowing toward the motor shaft 3, so as to ensure the stable operation of the steel claw shot blasting device.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel claw shot blasting device, characterized in that: The invention comprises a housing (1), wherein the housing (1) has a first chamber (9) and a second chamber (8) which are connected to each other, wherein one side of the second chamber (8) is connected to a motor end cover (2), and a motor shaft (3) passes through the motor end cover (2) and extends into the second chamber (8), wherein one side of the first chamber (9) is provided with a feed port (7), wherein the feed port (7) is provided with a steel grit orientation sleeve (6) which is connected thereto, wherein a shot blasting wheel (4) connected to the motor shaft (3) is provided in the first chamber (9), wherein blades (5) are evenly arranged in the circumferential direction of the shot blasting wheel (4), wherein the steel grit orientation sleeve (6) is rotatably matched with the shot blasting wheel (4), and wherein the steel grit orientation sleeve (6) is provided with a blade (5) which is directed toward the blade (5). ) has a sand outlet (10), the first chamber (9) is provided with a sand blasting nozzle (23), a protective mechanism is provided between the shot blasting wheel (4) and the motor end cover (2), the protective mechanism comprises a first protective member (13) sleeved on the motor shaft (3), and a second protective member (12) provided on the motor end cover (2), the first protective member (13) having a first retaining ring (16) and a second retaining ring (17) arranged at intervals and facing the second protective member (12), the second protective member (12) having a third retaining ring (18) spaced apart from the first retaining ring (16), and a fourth retaining ring (19) spaced apart from the second retaining ring (17).

2. The steel claw shot blasting device according to claim 1, characterized in that: The second chamber (8) is provided with a sand discharge port (11), and the bottom of the third retaining ring (18) is provided with a conical surface (20), wherein the conical surface (20) is inclined toward one side of the motor shaft (3).

3. The steel claw shot blasting device according to claim 1, characterized in that: The sandblasting nozzle (23) comprises parallel and spaced side plates (24), and two groups of positioning plates (25) arranged between the side plates (24); one end of the positioning plate (25) is hinged to the side plate (24), and the other end is provided with a first positioning hole; the side plate (24) is evenly provided with second positioning holes (26) along the rotation path of the positioning plate (25); and the aligned first positioning holes and second positioning holes (26) are fixed by positioning pins (27).

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