Blade sand cleaning device for corrosion-resistant oil pump casting

Abstract

The utility model discloses a blade sand cleaning device for a corrosion-resistant oil pump casting, and belongs to the technical field of oil pump casting sand cleaning. Comprising a mounting base capable of moving in the X-axis direction, the Y-axis direction and the Z-axis direction above a horizontal workbench, a sand cleaning nozzle capable of rotating with the X-axis direction or the Y-axis direction as a rotating shaft is arranged on the mounting base, and the spraying direction of the sand cleaning nozzle is perpendicular to the rotating direction; an internal expansion chuck capable of being embedded into the blade wheel and a hollow rotating platform capable of driving the internal expansion chuck to rotate by taking the Z-axis direction as a rotating shaft are arranged on the horizontal workbench; the blade sand cleaning device for the corrosion-resistant oil pump casting solves the problem that a mechanical sand cleaning device in the prior art is not thorough in sand cleaning.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil pump casting sand removal technical field especially relates to a kind of blade sand removal device for corrosion-resistant oil pump casting. BACKGROUND

[0002] The blade casting in corrosion-resistant oil pump is often left with a large amount of sand in its interior and surface after casting. The performance of the blade in the interior of the casting is highly dependent on the quality and surface finish of the blade. Therefore, if the residual sand is not completely removed, it will cause the surface of the blade to be rough, affecting its fluid dynamic performance, wear resistance and fatigue life.

[0003] Currently, the traditional sand removal methods mainly include manual sand removal and simple mechanical sand removal. The traditional manual sand removal method is low in efficiency, easy to damage the blade, and difficult to completely remove the residual sand in complex structures. Moreover, the manual sand removal process is often accompanied by the generation of a large amount of dust, which may have adverse effects on the health of workers in the long term. Some existing mechanical sand removal devices often have the problems of incomplete sand removal and difficulty in efficiently removing sand in complex shapes. SUMMARY

[0004] The utility model aims to overcome the deficiencies in the prior art and provide a blade sand removal device for corrosion-resistant oil pump casting, which solves the problem of incomplete sand removal of the mechanical sand removal device in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a blade sand removal device for corrosion-resistant oil pump casting, which includes a mounting seat capable of moving in the X-axis direction, Y-axis direction and Z-axis direction above a horizontal workbench. A sand removal nozzle capable of rotating in the X-axis direction or Y-axis direction as the rotation axis is arranged on the mounting seat. The spraying direction of the sand removal nozzle is perpendicular to the rotation direction.

[0006] A hollow rotating platform capable of driving the internal expansion chuck to rotate in the Z-axis direction as the rotation axis is arranged on the horizontal workbench.

[0007] Optionally, the mounting seat is arranged on a servo sliding table arranged in the Z-axis direction. The servo sliding table is slidingly connected to a gantry through a group of first linear guides arranged in the Y-axis direction. The gantry is slidingly connected to a rack through a group of second linear guides arranged in the X-axis direction.

[0008] Optionally, the servo sliding table and the gantry are respectively driven by screw linear modules.

[0009] Optionally, the mounting seat, the servo sliding table, the first linear guide, the gantry and the second linear guide are all suspended above the horizontal workbench.

[0010] Optionally, the sand cleaning nozzle is detachably connected to a nozzle holder, the nozzle holder is rotatably connected to the mounting seat through a bearing seat, the mounting seat is slidably connected with a rack capable of engaging with an end of the nozzle holder through a third linear guide rail, and the nozzle holder is driven by a servo motor capable of engaging with the rack.

[0011] Optionally, a drain groove is arranged on the horizontal workbench, and the drain groove can guide liquid or solid-liquid mixture into a recycling box located below the rack.

[0012] Optionally, a transparent splash-proof plate capable of surrounding the outside of the horizontal workbench is arranged on the rack.

[0013] Compared with the prior art, the nozzle has the ability to freely move in three-dimensional space, can linearly displace along the X-axis direction, the Y-axis direction and the Z-axis direction, can reach different positions in space within the stroke range, and can meet different work requirements; meanwhile, the nozzle has the function of rotating around the shaft, can rotate with the X-axis direction or the Y-axis direction as the rotation shaft, thereby changing the spray angle and direction of the nozzle, expanding or reducing the spray coverage, and enhancing the sand cleaning effect in different postures; in cooperation with the internal expansion chuck capable of positioning and driving the blade wheel to rotate and the hollow rotating platform, each position on the blade wheel can be thoroughly cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in connection with the drawings and embodiments.

[0015] Figure 1 is the structure schematic diagram of the blade sand cleaning device for corrosion-resistant oil pump casting in the preferred embodiment of the utility model;

[0016] Figure 2 is the structure schematic diagram of the mounting seat in the preferred embodiment of the utility model;

[0017] Among them, 1, mounting seat, 2, sand cleaning nozzle, 3, horizontal workbench, 4, internal expansion chuck, 5, hollow rotating platform, 6, servo slide, 7, first linear guide rail, 8, portal, 9, second linear guide rail, 10, nozzle holder, 11, third linear guide rail, 12, rack, 13, servo motor, 14, drain groove, 15, rack, 16, recycling box, 17, transparent splash-proof plate. DETAILED DESCRIPTION

[0018] The utility model will be further explained in connection with the drawings and embodiments.

[0019] It should be noted that if the embodiment involves directional indications (such as up, down, bottom, top, etc.), the directional indications are only used to explain the relative positional relationship, motion condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly. The terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. Unless otherwise specified and limited, the terms "set", "connected", and "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] As shown in Figures 1-2 A kind of blade sand cleaning device for corrosion-resistant oil pump casting, including installation seat 1 capable of moving in X axis direction, Y axis direction, Z axis direction above horizontal workbench 3, X axis direction, Y axis direction, Z axis direction in the present technical solution correspond with X axis, Y axis, Z axis in space rectangular coordinate system, X axis direction, Y axis direction, Z axis direction are perpendicular to each other, installation seat 1 can be moved to any position above horizontal workbench 3.At the same time, installation seat 1 is provided with sand cleaning spray head 2 capable of rotating with X axis direction or Y axis direction as rotating shaft, sand cleaning spray head 2 is high-pressure spray head in prior art, can be connected with high-pressure water flow, the injection direction of sand cleaning spray head 2 and the rotation direction are perpendicular to each other, sand cleaning spray head 2 can also be rotated relative to installation seat 1 while following installation seat 1 moves, so as to be able to adjust the angle of injection;

[0021] As mentioned above, horizontal workbench 3 is provided with inner expanding chuck 4 capable of embedding blade wheel and hollow rotating platform 5 capable of driving inner expanding chuck 4 to rotate with Z axis direction as rotating shaft, inner expanding chuck 4 and hollow rotating platform 5 are all prior art, the chuck on inner expanding chuck 4 can be supported in the shaft hole on blade wheel by expanding outer diameter, so as to fix blade wheel on hollow rotating platform 5, and hollow rotating platform 5 can drive blade wheel to rotate along the central axis, cooperate with sand cleaning spray head 2 capable of adjusting injection angle and moving to any position above horizontal workbench 3, so as to clean sand in each position and complex shape on blade wheel in each direction and angle.

[0022] As mentioned above, in order to increase the displacement accuracy and stability of sand cleaning spray head 2, as shown in Figure 1As shown, the mounting seat 1 is arranged on the servo sliding table 6 arranged along the Z-axis direction, the servo sliding table 6 is slidably connected to the gantry 8 through a set of first linear guides 7 arranged along the Y-axis direction, and the gantry 8 is slidably connected to the rack 15 through a set of second linear guides 9 arranged along the X-axis direction. The servo sliding table 6 is a linear transmission device in the prior art, which can realize precise linear motion control and has the characteristics of high positioning accuracy, fast response speed, good repeatability, etc. The rack 15 is a support structure composed of profiles, which can provide a stable mounting base for each component. The rack 15 is provided with protective structures such as guardrails, gratings, cabinet doors, etc., which can separate the working area from the environment area and improve the safety of operation.

[0023] Further, as shown in the figure, Figure 1 The servo sliding table 6 and the gantry 8 are driven by screw linear modules respectively, and the screw linear module is a linear transmission device in the prior art, which has the characteristics of high precision, smooth operation, etc., and also has strong carrying capacity, which can ensure the stability of the servo sliding table 6 during operation.

[0024] Further, as shown in the figure, Figure 2 The sand cleaning nozzle 2 is detachably connected to the nozzle holder 10, the nozzle holder 10 is rotatably connected to the mounting seat 1 through a bearing seat, the mounting seat 1 is slidably connected with a rack 12 capable of engaging with the end of the nozzle holder 10 through a third linear guide 11, and the nozzle holder 10 is driven by a servo motor 13 capable of engaging with the rack 12.

[0025] In this embodiment, the mounting seat 1, the servo sliding table 6, the first linear guide 7, the gantry 8 and the second linear guide 9 are all suspended above the horizontal workbench 3, which is convenient for the operator to observe the sand cleaning condition.

[0026] As shown in the figure, Figure 1 The horizontal workbench 3 is provided with a drainage groove 14, which can guide the liquid or solid-liquid mixture into the recovery box 16 located below the rack 15, and the water flow sprayed by the sand cleaning nozzle 2 and the sand washed down can flow into the recovery box 16 under the guidance of the drainage groove 14, so as to reduce resource waste. At the same time, the rack 15 is provided with a transparent splash-proof plate 17 capable of surrounding the outside of the horizontal workbench 3, which can prevent water from splashing.

[0027] Working principle: first, place the blade wheel on the hollow rotating platform 5 and fix it through the internal expansion chuck 4. Then connect the sand cleaning nozzle 2 to the high-pressure water flow and move it above the blade wheel to start washing the blade wheel. During the washing process, the servo sliding table 6, the servo motor 13, the screw linear module and the hollow rotating platform 5 cooperate with each other to wash and clean the sand on each position of the blade wheel.

[0028] The above is based on the ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A sand-removing device for blades of a corrosion-resistant oil pump casting, characterized in that: It includes a mounting base (1) that can move above a horizontal worktable (3) along the X-axis, Y-axis and Z-axis directions. The mounting base (1) is provided with a sand-cleaning nozzle (2) that can rotate about the X-axis or Y-axis. The spraying direction of the sand-cleaning nozzle (2) is perpendicular to the rotation direction. The horizontal worktable (3) is provided with an internal expansion chuck (4) that can be embedded in the impeller, and a hollow rotary platform (5) that can drive the internal expansion chuck (4) to rotate around the Z-axis.

2. The sand-removing device for the blades of the corrosion-resistant oil pump casting according to claim 1, characterized in that: The mounting base (1) is set on a servo slide (6) arranged along the Z-axis. The servo slide (6) is slidably connected to the gantry (8) by a set of first linear guides (7) arranged along the Y-axis. The gantry (8) is slidably connected to the frame (15) by a set of second linear guides (9) arranged along the X-axis.

3. The sand-removing device for the blades of the corrosion-resistant oil pump casting according to claim 2, characterized in that: The servo slide (6) and the gantry (8) are driven by lead screw linear modules respectively.

4. The sand-removing device for the blades of the corrosion-resistant oil pump casting according to claim 3, characterized in that: The mounting base (1), the servo slide (6), the first linear guide (7), the gantry (8), and the second linear guide (9) are all suspended above the horizontal worktable (3).

5. The sand-removing device for the blades of the corrosion-resistant oil pump casting according to claim 1, characterized in that: The sand-cleaning nozzle (2) is detachably connected to the nozzle holder (10). The nozzle holder (10) is rotatably connected to the mounting base (1) via a bearing seat. The mounting base (1) is slidably connected to a rack (12) that can mesh with the end of the nozzle holder (10) via a third linear guide rail (11). The nozzle holder (10) is driven by a servo motor (13) that can mesh with the rack (12).

6. The sand-removing device for the blades of the corrosion-resistant oil pump casting according to claim 2, characterized in that: The horizontal workbench (3) is provided with a drainage channel (14), which can guide liquid or solid-liquid mixture to the recycling bin (16) located below the frame (15).

7. The sand-removing device for the blades of the corrosion-resistant oil pump casting according to claim 2, characterized in that: The frame (15) is provided with a transparent splash guard (17) that can be placed around the horizontal workbench (3).

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