Multifunctional woodworking cutting engraving machine

Abstract

The invention discloses a multifunctional woodworking cutting and carving machine which comprises a directional moving mechanism connected with a bearing table, the directional moving mechanism carries a cutting and carving mechanism, and the directional moving mechanism and the cutting and carving mechanism are connected with a control unit so as to achieve accurate control during raw material cutting and carving. The cutting and carving mechanism is provided with a dust removal mechanism matched with the cutting and carving mechanism, the dust removal mechanism is connected with the control unit and comprises an air blowing assembly and a negative pressure adsorption assembly, and the air blowing assembly and the negative pressure adsorption assembly synergistically remove wood chips. According to the engraving machine, the dust removal mechanism and the plate self-adaption processing system are additionally arranged on an original cutting engraving machine, the dust removal purpose is achieved, meanwhile, dynamic pressing is achieved through the multi-mimicry sensing module and the pressing assembly, the adaptability of the engraving machine is further improved, and the problem that irregular raw materials are difficult to fix through the engraving machine is solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of engraving machines, and particularly relates to a multifunctional woodworking cutting and engraving machine. BACKGROUND

[0002] The engraving machine is a product of the high development of automatic numerical control processing and is used for fine engraving of plates or wood materials. The existing multifunctional woodworking cutting and engraving machine comprises an operation table, a gantry and an engraving cutter, and the operation table is provided with a double-roller structure for fixing the plate. However, the pressure of the roller structure on the plate is usually static or manually adjusted. The operator needs to judge and set the pressure of the roller according to experience, which can cope with the batch processing of plates with consistent specifications, but in the scenes of small batch, multiple varieties and variable plate conditions, such as waste wood recycling and special-shaped part processing, the existing technology has obvious deficiencies. The preset pressure cannot accurately fix the plate with large warping, which may cause processing slip due to insufficient pressure, or the vibration in the processing process may leave marks on the surface of the plate due to excessive pressure. At the same time, the wood chips generated in the processing are easy to stay in the processing groove and affect the processing. SUMMARY

[0003] To solve the above problems, the present application provides a multifunctional woodworking cutting and engraving machine, which adds a dust removal mechanism and a plate self-adaptive processing system to the original cutting and engraving machine to achieve the purpose of dust removal. At the same time, the dynamic compression is realized by using a multi-morphology sensing module and a compression assembly, which further improves the adaptability of the engraving machine and overcomes the difficulty of fixing irregular raw materials.

[0004] The specific scheme is as follows: a multifunctional woodworking cutting and engraving machine, comprising a directional moving mechanism connected with a bearing table, the directional moving mechanism is loaded with a cutting and engraving mechanism, and the directional moving mechanism and the cutting and engraving mechanism are connected with a control unit to realize accurate control during cutting and engraving of raw materials.

[0005] The cutting and engraving mechanism is provided with a dust removal mechanism matched therewith, the dust removal mechanism is connected with the control unit, and the dust removal mechanism comprises a blowing assembly and a negative pressure adsorption assembly, and the blowing assembly and the negative pressure adsorption assembly cooperate to remove wood chips.

[0006] Preferably, the blowing assembly comprises a blower and a gas supply pipe, and the negative pressure adsorption assembly comprises an air extractor and an air extraction pipe.

[0007] Preferably, the cutting and engraving mechanism comprises a cutting assembly and an engraving assembly, and the cutting assembly and the engraving assembly are independently movable relative to the directional moving mechanism.

[0008] Preferably, the carving assembly comprises a first carving piece and a second carving piece, the cutting assembly and the first carving piece are arranged on one side of the directional moving mechanism, and the second carving piece is arranged on the other side of the directional moving mechanism; the carving assembly further comprises a tool changing piece, the tool changing piece is provided with a plurality of carving knives mounted on the first carving piece and the second carving piece, and the first carving piece and the second carving piece can work independently; preferably, the first carving piece and the second carving piece are arranged on one side, respectively, and an automatic feeding mechanism can be arranged on the side.

[0009] Preferably, the cutting assembly comprises a plurality of electric saws driven by motors; the cutting mechanism is provided with a slide rail that can independently lift on the directional moving mechanism;

[0010] Preferably, the directional moving mechanism is provided with three tracks along the spatial coordinate axis direction, so that the directional moving mechanism can move forward and backward, up and down, and left and right relative to the bearing table.

[0011] Preferably, the directional moving mechanism comprises a gantry-shaped base, the base and the bearing table are provided with a first track for forward and backward movement, a moving seat is arranged on the base, a second track is arranged between the moving seat and the base for left and right movement, a lifting seat is arranged on the moving seat, and a third track is arranged between the lifting seat and the moving seat for up and down movement; here, one side of the cutting assembly is regarded as the front;

[0012] Preferably, the automatic feeding mechanism connected with the control unit further comprises a conveying assembly and a pressing assembly, the bearing table is provided with a conveying origin, the conveying assembly conveys the carving raw material to the conveying origin, and the pressing assembly is arranged at a position corresponding to the position of the cutting and carving mechanism relative to the conveying origin.

[0013] Preferably, the conveying assembly comprises a conveying wheel; the pressing assembly comprises a pressing roller that can be lifted by hydraulic drive;

[0014] Preferably, the negative pressure adsorption assembly is arranged at the machining position, the air blowing assembly blows air towards the machining position, and the negative pressure adsorption assembly and the air blowing assembly cooperate to directly suck away the carved wood chips.

[0015] Preferably, the negative pressure air suction device and the air blowing device are separately controlled by the control assembly and are opened corresponding to the cutting and carving position.

[0016] Preferably, the control unit is connected with a plate self-adaptive processing system,

[0017] The system comprises a plurality of morphological sensing modules to collect plate topography and force information;

[0018] An electric servo pressure regulating actuator is connected with the control unit and the pressing assembly, and is used to receive the instructions of the control unit and drive the pressing assembly to apply a dynamically adjustable holding force to the plate.

[0019] Preferably, the multi-metamorphic sensing module comprises a non-contact scanner for global 3D scanning of the board and a pressure sensor and a distance measuring sensor integrated at each compression assembly.

[0020] Preferably, the non-contact scanner is a laser scanner or a 3D line array camera mounted on the crossbeam or the machine head for global scanning of the board on the carrying table before processing.

[0021] Preferably, the control unit is connected with a data storage module, the engraving assembly is provided with an absolute value encoder for detecting the absolute mechanical position of the shaft, and the absolute mechanical position is stored into the storage module so that the control unit compares the coordinates when starting next time.

[0022] The beneficial effects of the present application are:

[0023] (1) The engraving machine of the present application can automatically feed, accurately position, reduce labor consumption and improve work efficiency.

[0024] (2) The engraving machine of the present application is provided with a dust removal mechanism to remove wood chips during cutting and engraving, avoiding the influence of wood chips on the engraving process.

[0025] (3) The engraving machine of the present application can automatically dynamically adjust the fixing pressure on the board according to the shape of the board, realize dynamic self-adjustment, and keep the compression force in the appropriate range.

[0026] (4) The engraving machine of the present application adopts a three-guide rail structure, which has higher stability and more accurate engraving during engraving.

[0027] (5) The engraving machine of the present application has a memory function and does not need to return to the origin when starting. DETAILED DESCRIPTION

[0028] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.

[0029] Figure 1 is a schematic diagram of the three-dimensional structure of embodiment 1 of the present application Figure 1 ;

[0030] Figure 2 is a schematic diagram of the three-dimensional structure of embodiment 1 of the present application Figure 2 ;

[0031] Figure 3 is a schematic diagram of the directional moving mechanism of embodiment 1 of the present application

[0032] Figure 4 is a schematic diagram of the cutting assembly structure of embodiment 1 of the present application

[0033] Figure 5It is the first engraving component structure schematic view of embodiment 1 of the application.

[0034] In the drawings: 1-bear platform, 11-automatic feeding mechanism, 111-conveying assembly, 112-pressing assembly, 2-directional moving mechanism, 21-base, 22-first track, 23-moving seat, 24-second track, 25-lifting seat, 26-third track, 3-cutting and engraving mechanism, 31-cutting assembly, 32-engraving assembly, 321-first engraving part, 322-second engraving part, 33-tool changing part, 4-dust removal mechanism, 41-negative pressure adsorption assembly. DETAILED DESCRIPTION

[0035] In order to more clearly illustrate the overall concept of the application, the following will be described in detail with reference to the drawings.

[0036] In the description of the application, it should be understood that the terms indicating the connection relationship should be understood broadly, and the terms indicating the position or location relationship in the application are based on the position or location relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the application.

[0037] A multifunctional woodworking cutting and engraving machine, comprising a directional moving mechanism 2 connected with a bearing platform 1, the directional moving mechanism 2 is loaded with a cutting and engraving mechanism 3, and the directional moving mechanism 2 and the cutting and engraving mechanism 3 are connected with a control unit to realize accurate control during cutting and engraving of raw materials.

[0038] The cutting and engraving mechanism 3 is provided with a dust removal mechanism 4 matched therewith, the dust removal mechanism 4 is connected with the control unit, and comprises a blowing assembly and a negative pressure adsorption assembly 41, and the blowing assembly and the negative pressure adsorption assembly 41 cooperate to remove wood chips.

[0039] The blowing assembly comprises a blower and a gas supply pipe, and the negative pressure adsorption assembly 41 comprises an air extractor and an air extraction pipe.

[0040] The cutting and engraving mechanism 3 comprises a cutting assembly 31 and an engraving assembly 32, and the cutting assembly 31 and the engraving assembly 32 are independently movable relative to the directional moving mechanism 2.

[0041] The engraving assembly 32 comprises a first engraving part 321 and a second engraving part 322, the cutting assembly 31 and the first engraving part 321 are arranged on one side of the directional moving mechanism 2, and the second engraving part 322 is arranged on the other side of the directional moving mechanism 2; the engraving assembly 32 further comprises a tool changing part 33, and the tool changing part 33 is provided with a plurality of engraving tools mounted on the first engraving part 321 and the second engraving part 322.

[0042] The cutting assembly 31 comprises a plurality of electric saws driven by an electric motor; the cutting mechanism is provided with an independently-lifted slide rail on the directional moving mechanism 2;

[0043] The directional moving mechanism 2 is provided with three rails along the spatial coordinate axis directions, so that the directional moving mechanism 2 can move forward and backward, up and down, and left and right relative to the bearing table 1.

[0044] The directional moving mechanism 2 comprises a gantry-shaped base 21, the base 21 and the bearing table 1 are provided with a first rail 22 for forward and backward movement, the base 21 is provided with a moving seat 23, the moving seat 23 and the base 21 are provided with a second rail 24 for left and right movement, the moving seat 23 is provided with a lifting seat 25, the lifting seat 25 and the moving seat 23 are provided with a third rail 24 for up and down movement; here, one side of the cutting assembly is taken as the front;

[0045] Further comprising an automatic feeding mechanism 11 connected with the control unit, the automatic feeding mechanism 11 comprises a conveying assembly 111 and a pressing assembly 112, the bearing table 1 is provided with a conveying origin, the conveying assembly 111 conveys the carving raw material to the conveying origin, and the pressing assembly 112 is positioned corresponding to the conveying origin of the cutting and carving mechanism 3.

[0046] The conveying assembly 111 comprises a conveying wheel; the pressing assembly 112 comprises a pressing roller driven by a hydraulic system and capable of lifting;

[0047] The negative pressure adsorption assembly 41 is arranged at the machining position, the air blowing assembly blows air towards the machining position, and the negative pressure adsorption assembly 41 and the air blowing assembly cooperate to directly adsorb and remove the carved wood chips.

[0048] The negative pressure air suction device and the air blowing device are separately controlled by the control assembly and are opened corresponding to the cutting and carving position.

[0049] The control unit is connected with a plate self-adaptive processing system,

[0050] The system comprises a multi-morphology sensing module for collecting plate topography and force information;

[0051] An electric servo pressure regulating actuator is connected with the control unit and the pressing assembly 112, for receiving the instructions of the control unit and driving the pressing assembly 112 to apply a dynamically-adjustable pressing force to the plate.

[0052] The multi-morphology sensing module comprises a non-contact scanner for globally 3D scanning of the plate and a pressure sensor and a distance measuring sensor integrated at each pressing assembly 112.

[0053] The non-contact scanner is a laser scanner or a 3D line array camera, which is installed on a cross beam or a machine head, for globally scanning the plate on the bearing table 1 before machining.

[0054] The specific working method is: through the non-contact scanner of the multi-modal sensing module, the plate on the conveying assembly 111 is scanned to obtain three-dimensional model data;

[0055] The control unit (ICU) analyzes the three-dimensional model data, identifies the geometric features of the plate, plans the optimal pressing position and dynamic pressure curve of the pressing assembly 112, and generates control instructions;

[0056] The electric servo pressure regulating actuator drives the pressing assembly 112 to move to the target position, and adjusts the pressing force on the plate in real time during the machining process according to the dynamic pressure curve;

[0057] Under the stable pressing state, the engraving assembly 32 processes the plate according to the preset program.

[0058] In this process, the pressure sensor and the distance measuring sensor integrated in the pressing assembly 112 feed back data to the control unit ICU in real time, and the ICU adjusts the control instructions accordingly to realize closed-loop control of the pressing force.

[0059] The control unit is connected with a data storage module, and the engraving assembly 32 is provided with an absolute value encoder for detecting the absolute mechanical position of the shaft, and the absolute mechanical position is stored into the storage module, so that the control unit compares the coordinates when starting next time.

[0060] Each servo motor is equipped with a multi-turn absolute value encoder (for example, an absolute value encoder of Heidehann or Tomi River), which is used to feed back the absolute rotational position and the number of turns of the motor in real time; A 3.6V lithium battery is provided inside the device to keep the data in the storage module (such as SRAM) from being lost after the main machine is powered off.

[0061] When the machine tool is normally turned off each time, the system will automatically write the current machine tool coordinates, workpiece coordinate system, tool offset and other parameters into the storage module. When the machine tool is started again, the system kernel first reads the coordinate data in the storage module, and also reads the current actual value of the absolute value encoder. The control unit checks the two sets of data, and if the error is within the allowable range (usually ±1 pulse), the machine tool position is determined to be valid, and all coordinate displays are immediately restored, and the machine tool is in a ready state. If the verification fails, the system will issue an alarm and force the user to perform a manual reference point operation to ensure safety.

[0062] The places not mentioned in the application can be realized by using or referring to the existing technology.

[0063] Each embodiment in the specification is described in a progressive manner, and the same or similar parts between each embodiment can be referred to each other, and each embodiment mainly describes the differences from other embodiments.

[0064] The above merely provides an example of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the scope of claims of the present application.

Claims

1. A multi-functional woodworking cutting and carving machine, characterized in that, It includes a directional moving mechanism connected to a support platform, the directional moving mechanism is equipped with a cutting and engraving mechanism, and the directional moving mechanism and the cutting and engraving mechanism are connected to a control unit to achieve precise control during the cutting and engraving of raw materials; The cutting and carving mechanism is equipped with a corresponding dust removal mechanism, which is connected to the control unit and includes an air blowing component and a negative pressure adsorption component. The air blowing component and the negative pressure adsorption component work together to remove wood chips.

2. The multi-functional woodworking cutting and carving machine according to claim 1, characterized in that, The cutting and carving mechanism includes a cutting component and a carving component, which are independently movable relative to the directional moving mechanism.

3. The multi-functional woodworking cutting and carving machine according to claim 1, characterized in that, The directional movement mechanism is provided with three tracks along the spatial coordinate axis so that the directional movement mechanism can move back and forth, up and down, and left and right relative to the support platform.

4. A multi-functional woodworking cutting and carving machine according to claim 1, characterized in that, It also includes an automatic feeding mechanism connected to the control unit. The automatic feeding mechanism includes a conveying component and a pressing component. The support platform is provided with a conveying origin. The conveying component conveys the engraving material to the conveying origin. The position of the pressing component and the cutting and engraving mechanism correspond to the position of the conveying origin.

5. A multi-functional woodworking cutting and carving machine according to claim 1, characterized in that, The negative pressure adsorption component is located at the processing area, and the air blowing component blows air toward the processing area. The negative pressure adsorption component and the air blowing component work together to directly remove the carved wood chips.

6. A multi-functional woodworking cutting and carving machine according to claim 5, characterized in that, The vacuum negative pressure adsorption component is divided into multiple modules, each of which is individually controlled by the control component. The negative pressure adsorption is activated corresponding to the cutting and engraving position.

7. A multi-functional woodworking cutting and carving machine according to claim 2, characterized in that, The carving assembly includes a first carving component and a second carving component. The cutting assembly and the first carving component are located on one side of the directional moving mechanism, and the second carving component is located on the other side of the directional moving mechanism. The carving assembly also includes a tool changing component, which has multiple carving tools installed on the first carving component and the second carving component.

8. A multi-functional woodworking cutting and carving machine according to claim 4, characterized in that, The control unit is connected to a sheet metal adaptive processing system. The system includes a multi-mimicry sensing module to collect information on the shape and force of the sheet material; An electric servo pressure regulating actuator, connected to the control unit and the clamping assembly, is used to receive instructions from the control unit and drive the clamping assembly to apply a dynamically adjustable holding force to the plate.

9. A multi-functional woodworking cutting and carving machine according to claim 8, characterized in that, The multi-mimicry sensing module includes a non-contact scanner for global 3D scanning of the sheet material and pressure and distance sensors integrated into each clamping component.

10. A multi-functional woodworking cutting and carving machine according to claim 9, characterized in that, The control unit is connected to a data storage module, and the engraving component is equipped with an absolute encoder for detecting the absolute mechanical position of the shaft. The absolute mechanical position is stored in the storage module. When the machine is turned on next time, the control unit compares the coordinates without having to restore the origin.

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