CN220006366U - Movable dust removing device for laser cutting - Google Patents

Abstract

The utility model discloses a movable dust removing device for laser cutting. The self-walking chassis comprises a frame, a driving motor arranged in the frame, the Mecanum wheels arranged on the side face of the frame through a connecting shaft, a multi-shaft mechanical arm arranged on the two-shaft moving platform, a dust collection head arranged on the front end of the multi-shaft mechanical arm, a dust collection assembly connected with the dust collection head through a hose and a controller for controlling each assembly mechanism to move. The movable dust removing device has flexibility and mobility, and can effectively absorb smoke dust at different angles and positions, so that the efficiency and quality of a laser cutting process are improved.

Description

Movable dust removing device for laser cutting

Technical Field

The utility model relates to a dust removing device, in particular to a movable dust removing device for laser cutting.

Background

Laser cutting is a process in which a high power density laser beam is used to heat a material to melt or vaporize it. Because a large amount of smoke dust can be generated in the laser cutting process, threat is caused to personnel and environmental space, and therefore the dust removal device is required to be used for smoke suction and dust removal. At present, the dust collector integrated on the laser cutting equipment is limited by actions, dust collection positions and angles, the requirement of complex work on the surface cannot be met, the absorption efficiency of smoke is low, and part of smoke can escape into the environment.

In order to solve this problem, a movable dust removing device for laser cutting is required. Such a device should have high flexibility and mobility to allow efficient absorption of smoke at different angles and locations. The device should be provided with a highly efficient filtration system that is capable of effectively filtering smoke and reducing environmental pollution. At the same time, the device should be easy to maintain and clean to ensure its long-term stability and reliability.

Disclosure of Invention

(one) technical purpose

The utility model aims to overcome the defects in the prior art and provides a movable dust removing device for laser cutting, which can flexibly realize auxiliary dust removal.

(II) technical scheme

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a movable dust removing device for laser cutting. The self-walking chassis comprises a frame, a driving motor arranged in the frame, the Mecanum wheels arranged on the side surface of the frame through a connecting shaft, a multi-shaft mechanical arm arranged on the two-shaft moving platform, a dust collection head arranged on the front end of the multi-shaft mechanical arm, a dust collection assembly connected with the dust collection head through a hose and a controller for controlling the movement of each assembly mechanism, wherein the Mecanum wheels are arranged on the two-shaft moving platform; a battery with a BMS control panel is arranged in the center of the frame and used for power supply and output, the integral gravity center of the self-walking chassis is reduced, and the walking stability of the self-walking chassis is improved.

The dust collection assembly is arranged on the self-walking chassis and comprises a negative pressure filter cylinder connected with a dust collection head through a hose, a pretreatment assembly, a main treatment assembly, a post treatment assembly and a negative pressure fan are arranged in the cylinder in sequence, wherein the pretreatment assembly is a cyclone separator, and the cyclone separator separates large particles and dust in waste gas through centrifugal force. This cyclone will be mounted on top of the exhaust gas treatment device; the main treatment component is an ozone generator which is used for generating ozone and reacting with most of harmful gases in the waste gas to oxidize and decompose most of the harmful gases; the post-treatment component is an activated carbon adsorber, and the activated carbon adsorber can further purify waste gas, so that the discharged waste gas meets the environmental protection requirement.

The multi-axis mechanical arm is also provided with an infrared camera which is connected with the controller and used for detecting a high temperature point generated by laser cutting and transmitting related information to the controller, and the controller adjusts the position of the dust collection head according to the information so as to ensure tracking dust collection.

(III) beneficial effects

The movable dust removal device for laser cutting can bring the following beneficial effects:

1. the harm of smoke dust to personnel is reduced: smoke dust generated in the laser cutting process contains a large amount of harmful substances, which threatens human health. The dust collector can effectively reduce the harm of smoke dust to personnel and ensure the health of the personnel.

2. The pollution of smoke dust to the environment is reduced: smoke dust generated in the laser cutting process also pollutes air and environment, and threatens the ecological environment. The dust removing device can effectively reduce the pollution of smoke dust to the environment and protect the natural environment.

3. Work efficiency is improved: the movable dust removing device has flexibility and mobility, and can effectively absorb smoke dust at different angles and positions, so that the efficiency and quality of a laser cutting process are improved.

4. The maintenance cost is reduced: the movable dust removing device is easy to maintain and clean, the maintenance cost and frequency can be reduced, and the service life and reliability of equipment are improved.

Drawings

Various aspects of the present disclosure will be better understood upon reading the following detailed description in conjunction with the drawings, the location, dimensions, and ranges of individual structures shown in the drawings, etc., are sometimes not indicative of actual locations, dimensions, ranges, etc. In the drawings:

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

Fig. 2 is a schematic view of the structure of a self-propelled chassis according to an embodiment of the present utility model, with the centrally located battery removed for ease of viewing the structure.

Fig. 3 is a schematic structural diagram of a combination of a two-axis mobile platform and a multi-axis mechanical arm according to an embodiment of the present utility model.

Detailed Description

The present disclosure will be described below with reference to the accompanying drawings, which illustrate several embodiments of the present disclosure. It should be understood, however, that the present disclosure may be embodied in many different forms and should not be limited to the embodiments described below, but rather, the embodiments described below are intended to provide a more complete disclosure of the present disclosure and to fully illustrate the scope of the present disclosure to those skilled in the art. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide yet additional embodiments.

It should be understood that throughout the drawings, like reference numerals refer to like elements. In the drawings, the size of certain features may be modified for clarity.

It should be understood that the terminology used in the description is for the purpose of describing particular embodiments only, and is not intended to be limiting of the disclosure. All terms (including technical and scientific terms) used in the specification have the meanings commonly understood by one of ordinary skill in the art unless otherwise defined. For the sake of brevity and/or clarity, techniques, methods and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but the techniques, methods and apparatus should be considered a part of the specification where appropriate.

As used in this specification, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. The use of the terms "comprising," "including," and "containing" in the specification mean that the recited features are present, but that one or more other features are not excluded. The use of the phrase "and/or" in the specification includes any and all combinations of one or more of the associated listed items. The words "between X and Y" and "between about X and Y" used in this specification should be interpreted to include X and Y. The phrase "between about X and Y" as used herein means "between about X and about Y", and the phrase "from about X to Y" as used herein means "from about X to about Y".

In the description, an element is referred to as being "on," "attached" to, "connected" to, "coupled" to, "contacting" or the like another element, and the element may be directly on, attached to, connected to, coupled to or contacting the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on," "directly attached to," directly connected to, "directly coupled to, or" directly contacting "another element, there are no intervening elements present. In the specification, one feature is arranged "adjacent" to another feature, which may mean that one feature has a portion overlapping with or located above or below the adjacent feature.

In the specification, spatial relationship words such as "upper", "lower", "left", "right", "front", "rear", "high", "low", and the like may describe the relationship of one feature to another feature in the drawings. It will be understood that the spatial relationship words comprise, in addition to the orientations shown in the figures, different orientations of the device in use or operation. For example, when the device in the figures is inverted, features that were originally described as "below" other features may be described as "above" the other features. The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the relative spatial relationship will be explained accordingly.

Examples

As shown in fig. 1 to 3, the embodiment shows an exhaust gas treatment device for laser cutting and the like, which is used for filtering and purifying dust, particulate matters and harmful gases in the generated exhaust gas through a negative pressure filter cartridge, thereby ensuring that the exhaust gas emission meets the environmental protection requirements.

Specifically, the device comprises a self-walking chassis 3 of four independently electrically driven Mecanum wheels 2, a two-axis moving platform 4, a multi-axis mechanical arm 5, a dust collection head 6, a dust collection assembly 1 and a controller 7. Wherein, the self-walking chassis realizes autonomous walking through the Mecanum wheel 2, and the gravity center of the self-walking chassis is lowered by installing a battery (not shown in the figure), thereby improving the walking stability. The dust collection assembly 1 filters and purifies exhaust gas through a negative pressure filter cartridge, wherein the pretreatment assembly is a cyclone separator 8, the main treatment assembly is an ozone generator (not shown in the figure), the post treatment assembly is an activated carbon adsorber (not shown in the figure), a power source for sucking the exhaust gas is a negative pressure fan, and the specific structure of each component in the dust collection assembly 1 is known to those skilled in the art, and is fully understood only from the functional description, so that more specific and detailed description will not be made.

In the implementation process, the movable dust removing device can be adjusted and optimized according to actual needs. For example, the shape and size of the cleaning head 6 may be varied to accommodate different cutting materials and scenes. In addition, the controller 7 may be programmed and configured as needed to control the movement of the component mechanisms and coordinate the operation of the overall system.

In some embodiments, the self-walking chassis 3 includes four independently electrically driven Mecanum wheels 2, a drive motor 11 mounted within the frame 10, and a battery with its own BMS control board. The four independently working Mecanum wheels 2 can realize free movement and 360-degree rotation of the self-walking chassis 3 and can realize left and right lateral movement, so that the self-walking chassis can flexibly move and steer in a workplace. The driving motor 11 should be selected in consideration of parameters such as output power and rotation speed thereof, so as to ensure that the self-walking chassis 3 has enough torque and speed to be able to walk and run stably. The capacity and voltage of the battery should be matched to the power and current of the drive motor 11 to ensure a sufficient power supply and to improve the walking stability of the self-walking chassis 3.

In some embodiments, each cell in the battery is fitted with a protection circuit, each of which is required to monitor the voltage and temperature of the cell and to open the circuit if necessary to prevent overcharging or overdischarging. Wherein each battery unit is connected in parallel with other units, and the protection circuit of each battery unit is connected with the BMS control board. The battery with the BMS control board, which is a key battery management tool, is installed in the self-walking chassis 3, can protect the battery from damage and ensures that the battery operates within a safe working range.

In some embodiments, the two-axis mobile platform 4 is mounted on the self-walking chassis 3 for movement and positioning of the multi-axis robotic arm 5. The linear motor 13 is composed of a motor, a sliding block, a screw rod, a guide rail, a sensor and the like, and can realize high-precision position control and speed adjustment. When the linear motor is selected, parameters such as bearing capacity, precision, response speed and the like of the linear motor are considered so as to ensure the precision and stability of the mobile platform.

In some embodiments, the multi-axis robotic arm 5 is mounted on a two-axis mobile platform 4 for positioning and control of the cleaning head 6. The structure of the multi-axis mechanical arm 5 is composed of a plurality of joints, a servo motor, a speed reducer, a sensor and the like, and multi-axis motion and high-precision position control can be realized. When the multi-axis mechanical arm is selected, parameters such as load capacity, repeated positioning precision, movement speed and the like of the multi-axis mechanical arm are considered so as to ensure the precision and stability of the dust collection head.

In some embodiments, the cyclone separator 8 is a pre-treatment assembly in the suction assembly 1 for separating large particles and dust. The cyclone separator is based on the principle that the centrifugal force is used to separate out particles and dust from the exhaust gas. The ozone generator is a main treatment component in the dust collection component and is used for generating ozone and reacting with most of harmful gases in the waste gas to oxidize and decompose most of the harmful gases. The active carbon absorber is a post-treatment component in the dust collection component and is used for further purifying waste gas and ensuring that the discharged waste gas meets the environmental protection requirement. The principle of the activated carbon adsorber is to adsorb harmful substances in exhaust gas by an activated carbon material. The negative pressure fan is a core component of the dust collection component, and sucks waste gas into the dust collection component for treatment by generating negative pressure. The negative pressure fan can be a centrifugal fan or an axial flow fan.

In some embodiments, the controller 7 is connected to a battery, the battery supplies power to the controller 7, the controller 7 controls the driving motor 11 driving the Mem wheel 2, the two-axis moving platform 4, the multi-axis mechanical arm 5 and the negative pressure fan to work, and the power supply system is provided with a multi-output power supply system, after the power supply system boost-converts the electric energy supplied by the battery, the multi-pressure output is realized according to the use needs of different devices, and in order to coordinate and control the work of each component part, a control board with a communication module and a control chip and a PLC controller connected with the control board are arranged in the controller, and the PLC controller executes an execution instruction sent by the control board, and the model of the PLC controller can be Mitsubishi FX2N-32MR.

In some embodiments, the multi-axis mechanical arm 5 is provided with an infrared camera 14 connected with the controller 7, and the infrared camera 14 enables the dust collection device to have a tracking dust collection function, specifically, the image shot by the infrared camera 14 is processed, and the position of the high temperature point is extracted. The controller 7 can realize automatic tracking of the cutting position of the dust collection head 6 according to the relative coordinates of the high temperature points. Specifically, the controller 7 first calculates the current coordinates of the cleaning head 6. According to the relative coordinates of the high temperature points, the distance and the direction of the multi-axis mechanical arm 5 to be moved are calculated. The controller 7 controls the movements of the multi-axis mechanical arm 5 and the two-axis moving platform 4 according to the moving distance and the moving direction, so that the dust collection head 6 moves along with the high temperature point. In the moving process, the position of the high temperature point is continuously detected, and the movement is regulated according to the new relative coordinates so as to keep the position of the dust collection head consistent with the position of the high temperature point.

Although exemplary embodiments of the present disclosure have been described, it will be understood by those skilled in the art that various changes and modifications can be made to the exemplary embodiments of the present disclosure without materially departing from the spirit and scope of the disclosure. Accordingly, all changes and modifications are intended to be included within the scope of the present disclosure as defined by the appended claims. The disclosure is defined by the following claims, with equivalents of the claims to be included therein.

Claims (3)

1. The utility model provides a portable dust collector that laser cutting used which characterized in that: the self-walking chassis comprises a frame, a driving motor arranged in the frame, the Mecanum wheels arranged on the side surface of the frame through a connecting shaft, a multi-shaft mechanical arm arranged on the two-shaft moving platform, a dust collection head arranged on the front end of the multi-shaft mechanical arm, a dust collection assembly connected with the dust collection head through a hose and a controller for controlling the movement of each assembly mechanism, wherein the Mecanum wheels are arranged on the two-shaft moving platform; a battery with a BMS control panel is arranged in the center of the frame and is used for supplying and outputting power, the integral gravity center of the self-walking chassis is reduced, and the walking stability of the self-walking chassis is improved; the dust collection assembly is arranged on the self-walking chassis.

2. A mobile dust collector for laser cutting as set forth in claim 1 wherein: the dust collection assembly comprises a negative pressure filter cylinder connected with the dust collection head through a hose, and a pretreatment assembly, a main treatment assembly, a post treatment assembly and a negative pressure fan are arranged in the cylinder in sequence, wherein the pretreatment assembly is a cyclone separator, and the cyclone separator separates large particles and dust in waste gas through centrifugal force; this cyclone will be mounted on top of the exhaust gas treatment device; the main treatment component is an ozone generator which is used for generating ozone and reacting with most of harmful gases in the waste gas to oxidize and decompose most of the harmful gases; the post-treatment component is an activated carbon adsorber, and the activated carbon adsorber can further purify waste gas, so that the discharged waste gas meets the environmental protection requirement.

3. A mobile dust collector for laser cutting as set forth in claim 1 wherein: the multi-axis mechanical arm is also provided with an infrared camera which is connected with the controller and used for detecting a high temperature point generated by laser cutting and transmitting related information to the controller, and the controller adjusts the position of the dust collection head according to the information so as to ensure tracking dust collection.