Laser cleaning device for foundry mold residual sand robot

Abstract

This utility model discloses a robotic laser cleaning device for residual sand in casting molds, comprising: a fixed frame; a base disposed below the fixed frame; and a rotating assembly including two sets of rotating rings symmetrically rotated within the base, connectors fixedly connected to the top and bottom of the two sets of rotating rings, and limiting units disposed on both sides of the connectors. This utility model employs laser cleaning technology, where the laser beam acts on the mold surface in a non-contact manner, preventing physical damage to the mold and effectively protecting its precision and surface quality, thus extending its service life. The synchronous rotation of the two sets of rotating rings within the base drives the connectors and limiting units to achieve the mold's transition from horizontal to vertical and back again, quickly adjusting the mold to the optimal cleaning and loading / unloading posture, significantly improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of casting mold cleaning technology, and in particular to a robotic laser cleaning device for residual sand in casting molds. Background Technology

[0002] During the use of casting molds, a large amount of casting sand often remains inside the cavity. If these residues are not removed in time, they will affect the molding quality of subsequent castings. Therefore, casting mold cleaning is an indispensable and important part of the casting process.

[0003] Traditional methods for cleaning residual sand from casting molds mainly include sandblasting and chemical cleaning. While sandblasting is highly efficient, it can cause some wear to the mold surface, affecting the mold's precision. Chemical cleaning, on the other hand, presents problems such as environmental pollution, high cost of cleaning solution treatment, and potential corrosion of mold materials. Therefore, there is an urgent need for a robotic laser cleaning device for residual sand in casting molds to solve this problem. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing the following technical solution:

[0005] A robotic laser cleaning device for residual sand in casting molds includes:

[0006] Fixture;

[0007] The base is located below the fixing frame;

[0008] The rotating assembly includes two sets of rotating rings symmetrically rotated within the base, a connector fixedly connected to the top and bottom of the two sets of rotating rings, and limiting units disposed on both sides of the connector. An area for placing the casting mold is formed between the two sets of limiting units.

[0009] The cleaning assembly includes a collaborative robot mounted on the fixed frame, a swing frame mounted on the end effector of the collaborative robot, multiple sets of mounting plates fixedly mounted on the swing frame, and a laser emitter mounted on the mounting plates;

[0010] The mold is horizontally pushed into the placement area, and an external force drives the rotating component to rotate, controlling the mold to be adjusted from a horizontal to a vertical direction, so that the cavity of the mold faces the laser emitter.

[0011] As an improvement to the above technical solution, the limiting unit includes multiple sets of rotating columns that are rotatably arranged along the extension direction of the connector.

[0012] As an improvement to the above technical solution, a driving component is also included, which includes a motor mounted on the fixed frame, and the output shaft of the motor is connected to one of the sets of rotating rings by a transmission belt.

[0013] As an improvement to the above technical solution, the rotating ring is provided with an annular groove that is compatible with the transmission belt.

[0014] As an improvement to the above technical solution, the collaborative robot includes six-degree-of-freedom joints.

[0015] As an improvement to the above technical solution, each set of laser emitters is equipped with a protective cover, and the protective cover has an opening on the side facing the mold.

[0016] The beneficial effects of this utility model are:

[0017] Using laser cleaning technology, the laser beam acts on the mold surface in a non-contact manner. Compared with sandblasting, which wears down the mold surface, this device does not cause physical damage to the mold during the cleaning of residual sand, effectively protecting the mold's precision and surface quality, and extending the mold's service life.

[0018] By rotating synchronously with two sets of rotating rings inside the base, the connecting parts and limiting unit are driven to realize the transformation of the mold from horizontal to vertical and then from vertical to horizontal. The mold can be quickly adjusted to the optimal cleaning and loading / unloading posture, greatly improving work efficiency.

[0019] The swing frame, controlled by a collaborative robot, performs multi-degree-of-freedom pose adjustments. Combined with multiple laser emitters on the mounting plate, it ensures that the laser emitter's irradiation angle fully covers the mold cavity surface. This effectively improves cleaning quality and prevents casting defects caused by residual sand. Attached Figure Description

[0020] Figure 1 This is a front view of the overall structure of this utility model;

[0021] Figure 2 This is a side view of the overall structure of this utility model.

[0022] Reference numerals: 10, fixed frame; 11, base; 20, rotating ring; 21, connector; 22, rotating column; 30, collaborative robot; 31, swing frame; 32, protective cover; 33, mounting plate; 40, motor. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0024] A robotic laser cleaning device for residual sand in casting molds includes:

[0025] Fixture 10;

[0026] The base 11 is disposed below the fixing frame 10;

[0027] The rotating assembly includes two sets of rotating rings 20 symmetrically rotated within the base 11, a connector 21 fixedly connected to the top and bottom of the two sets of rotating rings 20, and limiting units disposed on both sides of the connector 21. A placement area for placing the casting mold is formed between the two sets of limiting units.

[0028] The cleaning assembly includes a collaborative robot 30 mounted on the fixed frame 10, a swing frame 31 mounted on the end effector of the collaborative robot 30, multiple sets of mounting plates 33 fixedly mounted on the swing frame 31, and a laser emitter mounted on the mounting plate 33.

[0029] The mold is horizontally pushed into the placement area, and an external force drives the rotating component to rotate, controlling the mold to be adjusted from a horizontal to a vertical direction, so that the cavity of the mold faces the laser emitter.

[0030] Specifically, the mold is horizontally placed: the casting mold to be cleaned is pushed horizontally into the placement area of ​​the rotating component. The mold is positioned by the limiting units on both sides of the connector 21. The two sets of rotating rings 20 in the base 11 are driven to rotate synchronously by external force, which drives the connector 21 and the limiting units fixed to the top and bottom of the rotating rings 20 to rotate around the axis, so that the mold is adjusted from a horizontal state to a vertical state. After the mold is turned, its cavity is facing the working direction of the laser emitter of the cleaning component. At the same time, the swing frame is controlled by the collaborative robot 30 to perform multi-degree-of-freedom pose adjustment to ensure that the irradiation angle of the laser emitter covers the surface of the cavity. The laser emitter is started to emit a high-energy laser beam. Multiple sets of laser emitters on the mounting plate 33 scan the surface of the mold cavity in concert to remove residual sand. When the cleaning is completed, the rotating ring 20 drives the mold to rotate, so that the mold is adjusted from a vertical state to a horizontal state, which is convenient for unloading. The laser emitter is a pulsed fiber laser, model YDPLP-E-300-M7-MR or YDFLP-E-300-M7-LR.

[0031] In one embodiment, the limiting unit includes multiple sets of rotating columns 22 that are rotatably arranged along the extension direction of the connector 21. During the placement of the mold, the rotating columns 22 can rotate with the mold, reducing the friction between the mold and the limiting unit, and facilitating the smooth loading or unloading of the casting mold in the area between the two sets of limiting units.

[0032] In one embodiment, a driving component is also included, comprising a motor 40 mounted on the fixed frame 10. The output shaft of the motor 40 is connected to one of the sets of rotating rings 20 by a transmission belt. When the motor 40 is started, its output shaft transmits power to one of the sets of rotating rings 20 through the transmission belt, and through mechanical linkage, the other set of rotating rings 20 rotates synchronously. The two sets of rotating rings 20 drive the connecting member 21 to rotate from the horizontal direction to the vertical direction. During this process, the mold rotates together with the limiting unit and eventually maintains a vertical state, so that the cavity of the mold faces the cleaning component above, providing the best angle for subsequent laser cleaning.

[0033] In one embodiment, the rotating ring 20 has an annular groove adapted to the transmission belt. Since the rotating ring 20 has an annular groove adapted to the transmission belt, the transmission belt can be tightly embedded in it, effectively preventing slippage during transmission and ensuring stable power transmission.

[0034] In one embodiment, the collaborative robot 30 includes six-degree-of-freedom joints. Under the control of the six-degree-of-freedom joints according to a preset path, the position and attitude of the end effector swing frame 31 can be freely adjusted in three-dimensional space. The model and specification of the collaborative robot adopt FR10.

[0035] In one embodiment, each set of laser emitters is equipped with a protective cover 32. The protective cover 32 has an opening on the side facing the mold, allowing the laser beam to be emitted to the surface of the mold only from a designated direction, while other directions are effectively blocked. This prevents accidental laser scattering, protects operators from laser radiation damage, and also avoids laser interference with surrounding equipment, allowing the laser to be concentrated on the mold.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. A robotic laser cleaning device for residual sand in casting molds, characterized in that, include: Fixture (10); A base (11) is disposed below the fixing frame (10); The rotating assembly includes two sets of rotating rings (20) symmetrically rotated within the base (11), a connector (21) fixedly connected to the top and bottom of the two sets of rotating rings (20), and limiting units disposed on both sides of the connector (21). An area for placing the casting mold is formed between the two sets of limiting units. The cleaning assembly includes a collaborative robot (30) mounted on the fixed frame (10), a swing frame (31) mounted on the end of the collaborative robot (30), multiple sets of mounting plates (33) fixedly mounted on the swing frame (31), and a laser emitter mounted on the mounting plate (33); The mold is horizontally pushed into the placement area, and an external force drives the rotating component to rotate, controlling the mold to be adjusted from a horizontal to a vertical direction, so that the cavity of the mold faces the laser emitter.

2. The robotic laser cleaning device for residual sand in casting molds according to claim 1, characterized in that: The limiting unit includes multiple sets of rotating columns (22) that are rotatably arranged along the extension direction of the connector (21).

3. The robotic laser cleaning device for residual sand in casting molds according to claim 2, characterized in that: It also includes a drive unit, which includes a motor (40) mounted on the fixed frame (10), and the output shaft of the motor (40) is connected to one of the sets of rotating rings (20) by a drive belt.

4. The robotic laser cleaning device for residual sand in casting molds according to claim 3, characterized in that: The rotating ring (20) has an annular groove adapted to the transmission belt.

5. The robotic laser cleaning device for residual sand in casting molds according to claim 1, characterized in that: The collaborative robot (30) includes six-degree-of-freedom joints.

6. The robotic laser cleaning device for residual sand in casting molds according to claim 1, characterized in that: Each laser emitter is equipped with a protective cover (32), and the protective cover (32) has an opening on the side facing the mold.

Images