Intelligent double-end face milling machine and working method

Abstract

According to the intelligent double-head end face milling machine and the working method, positioning is more accurate, and a feeding mechanism can conveniently place a sectional material; the material taking action of a robot is omitted, and the material taking and placing time is shortened; according to the technical scheme, the milling machine comprises a rack, a left milling device, a right milling device, a material taking mechanism and a feeding mechanism; the left milling device and the right milling device are arranged above the rack in a sliding mode, an electric control unit is further arranged at the end of the rack, and a touch display screen is arranged on the electric control unit. The material taking mechanism and the feeding mechanism are arranged on a mounting seat on the same side of the rack; the feeding mechanism is composed of a six-axis robot and a first gripper. The material taking mechanism is composed of a fixed support, a vertical support, a horizontal support and a second gripper. The fixing support is fixedly installed on the installation base, a vertical guide rail is arranged between the fixing support and the vertical support, a horizontal guide rail is arranged between the top of the vertical support and the horizontal support, and a second gripper is arranged on the horizontal support.

Description

Technical Field

[0001] The invention belongs to the technical field of milling machine processing, and in particular relates to an intelligent double-head end face milling machine and a working method. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] With the diversification of aluminum alloy door and window assembly profile sections and window sizes and styles, the precision requirements for windows and the skills of technical workers have also increased accordingly; the original single-machine processing model has high skills requirements for technical workers. If the workers' skills do not meet the requirements, the production efficiency and the quality of doors and windows cannot be effectively guaranteed; currently, highly automated and intelligent equipment - aluminum alloy door and window assembly lines have become the preferred equipment for door and window production, and will inevitably become required equipment in the future; currently there is no complete door and window assembly line in the existing technology that can solve the above problems, especially the seamless connection between each single machine, to truly realize unmanned operation.

[0004] At present, double-head CNC face milling of aluminum alloy profiles can solve the above-mentioned problem of machining accuracy, but it still cannot achieve seamless connection with upstream and downstream processes in production, which leads to problems such as low production efficiency and large manpower investment. Summary of the invention

[0005] In view of the above problems, the present invention provides an intelligent double-head end milling machine and a working method. The left and right milling devices are both driven by servo, and the positioning is more accurate. At the same time, it is convenient for the loading mechanism to place the profiles. The action of the robot to pick up the material is eliminated, the time for picking up and placing the material is shortened, and the processing efficiency is improved.

[0006] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0007] In a first aspect, the present invention provides an intelligent double-head face milling machine, comprising: a frame, a left milling device, a right milling device, a material taking mechanism and a feeding mechanism; the left milling device and the right milling device are slidably arranged above the frame, an electric control unit is also arranged at the end of the frame, and a touch screen is arranged on the electric control unit for controlling the left milling device, the right milling device, the material taking mechanism and the feeding mechanism; the material taking mechanism and the feeding mechanism are arranged on a mounting seat on the same side of the frame;

[0008] The feeding mechanism is composed of a six-axis robot and a first gripper, wherein the first gripper is arranged at the moving end of the six-axis robot and is used to grab and place the processed material;

[0009] The material picking mechanism consists of a fixed bracket, a vertical bracket, a horizontal bracket and a second gripper; the fixed bracket is fixedly installed on the mounting seat, a vertical guide rail is arranged between the fixed bracket and the vertical bracket, a horizontal guide rail is arranged on the top of the vertical bracket, a horizontal bracket is arranged on the horizontal guide rail, and a second gripper is arranged on the horizontal bracket for taking out the processed materials from between the left milling device and the right milling device.

[0010] Furthermore, the first gripper has the same structure as the second gripper, and both the first gripper and the second gripper are composed of a fixed clamp, a movable clamp and a servo motor. The servo motor is fixedly arranged on the fixed clamp, and the output end of the servo motor is connected to the movable clamp. The servo motor is connected to the electronic control unit for controlling the operation of the servo motor.

[0011] Furthermore, a first driving rod is provided between the fixed bracket and the vertical bracket, one end of the first driving rod is hinged to the fixed bracket, and the other end of the first driving rod is hinged to the vertical bracket, and a communication connection is established between the first driving rod and the electronic control unit.

[0012] Furthermore, a second driving rod is provided at the top of the vertical bracket, one end of the second driving rod is hinged to the horizontal bracket, and the other end is hinged to the vertical bracket, and a communication connection is established between the second driving rod and the electronic control unit.

[0013] Furthermore, the frame is also provided with a milling movable guide rail parallel to the length direction of the frame, and the milling movable guide rail is slidably connected with a first slider and a second slider, wherein the first slider is provided with a first slide plate, and the first slide plate is provided with a left milling device; the second slider is provided with a second slide plate, and the second slide plate is provided with a right milling device.

[0014] Furthermore, the first slide is also connected to a first driving assembly for driving the first slide to move horizontally along the milling moving guide rail, and the second slide is also connected to a second driving assembly for driving the second slide to move horizontally along the milling moving guide rail.

[0015] Furthermore, the first slide plate is provided with a first clamp for locking the first slide plate, thereby preventing the first slide plate from moving during the milling operation, and the second slide plate is provided with a second clamp for locking the second slide plate.

[0016] Furthermore, the first drive assembly, the second drive assembly, the first clamp and the second clamp are also connected to the electronic control unit in a communication manner.

[0017] In a second aspect, the present invention also provides a working method of intelligent double-head face milling, comprising the following steps:

[0018] S1. The left milling device and the right milling device are simultaneously displaced to a designated position at the center of the frame under the control of the electronic control unit;

[0019] S2. The electronic control unit sends a loading instruction according to the set program, and the loading mechanism grabs the material to be milled from the sorting line and sends it between the left milling device and the right milling device. When the profile is sent to the designated position, the left milling device and the right milling device move to the corresponding positions according to the length of the profile to be processed. The loading mechanism puts the profile on the positioning table of the left milling device and the right milling device. After the profile is positioned, the profile is processed by the milling cutters inside the left milling device and the right milling device;

[0020] S3. The first gripper of the feeding mechanism continues to pick up the profile to be processed from the sorting line and sends it between the left milling device and the right milling device, waiting for the previous profile to be processed, and then the finished profile is taken out by the taking mechanism;

[0021] S4. The first gripper grabs the profile and sends it between the left milling device and the right milling device. When the profile is sent to the designated position, the left milling device and the right milling device move to the corresponding positions according to the length of the profile to be processed. The feeding mechanism puts the profile on the positioning table of the left milling device and the right milling device. After the positioning of the profile is completed, the profile is processed by the milling cutters inside the left milling device and the right milling device;

[0022] S5. The feeding mechanism delivers the processed profiles taken out by the taking mechanism in S3 to the sorting line, and continues to repeat S3-S5.

[0023] Furthermore, the milling length between the left milling device and the right milling device is adjusted through the touch display screen on the electronic control unit.

[0024] Compared with the prior art, the present invention has the following advantages and positive effects:

[0025] The present invention sets a feeding mechanism and a picking mechanism. The feeding mechanism can quickly grab and place materials, and the picking mechanism can efficiently pick up materials under the control of an electronic control unit. The movement and locking of the left and right milling devices of the entire equipment, the action of the picking mechanism, and the operation of the feeding mechanism are all uniformly controlled by the electronic control unit. Each component establishes a communication connection with the electronic control unit, realizing the automation and intelligence of the equipment operation, and reducing the complexity and uncertainty of manual operation; the fixed bracket, vertical bracket and horizontal bracket of the picking mechanism are made of high-strength profiles, and the guide rail is a dovetail groove, which ensures the accuracy of the gripper picking up materials, thereby indirectly ensuring the processing accuracy; reducing the robot picking up action, shortening the material placement time, and speeding up the processing flow. At the same time, the left and right milling devices adjust the spacing according to the material size through the electronic control unit, and are locked by the clamp to avoid movement during work, ensuring the milling accuracy, and reducing the defective rate caused by accuracy problems; not only improves production efficiency, but also reduces the skill requirements for operators, reduces the impact of human factors on the processing process, and improves the stability and reliability of the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0027] Figure 1 This is the overall structure diagram of the intelligent double-head end milling machine of the present invention;

[0028] Figure 2 This is a structural diagram of the feeding device of the present invention;

[0029] Figure 3 It is the structural diagram of the material taking device of the present invention.

[0030] In the figure: 1. frame; 2. left milling device; 3. right milling device; 4. feeding mechanism; 5. picking mechanism; 6. electronic control unit; 7. touch screen; 8. first gripper; 9. second gripper; 10. fixed bracket; 11. vertical bracket; 12. horizontal bracket; 13. first driving rod; 14. second driving rod; 15. vertical guide rail; 16. horizontal guide rail; 17. servo motor. DETAILED DESCRIPTION

[0031] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0032] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof;

[0033] This embodiment discloses an intelligent double-head end milling machine. Figure 1-Figure 3 As shown, it includes: a frame 1, a left milling device 2, a right milling device 3, a material taking mechanism 5 and a feeding mechanism 4; the left milling device 2 and the right milling device 3 are slidably arranged above the frame 1, and an electric control unit 6 is also arranged at the end of the frame 1, and a touch screen 7 is arranged on the electric control unit 6 for controlling the left milling device 2, the right milling device 3, the material taking mechanism 5 and the feeding mechanism 4; the material taking mechanism 5 and the feeding mechanism 4 are arranged on a mounting seat on the same side of the frame 1;

[0034] The feeding mechanism 4 is composed of a six-axis robot and a first gripper 8. The first gripper 8 is arranged at the moving end of the six-axis robot and is used to grab and place the processed material;

[0035] The material picking mechanism 5 is composed of a fixed bracket 10, a vertical bracket 11, a horizontal bracket 12 and a second gripper 9; the fixed bracket 10 is fixedly installed on the mounting seat, a vertical guide rail 15 is arranged between the fixed bracket 10 and the vertical bracket 11, a horizontal guide rail 16 is arranged on the top of the vertical bracket 11, a horizontal bracket 12 is arranged on the horizontal guide rail 16, and a second gripper 9 is arranged on the horizontal bracket 12 for taking out the processed materials from between the left milling device 2 and the right milling device 3.

[0036] The horizontal guide rail 16 and the vertical guide rail 15 are both dovetail grooves; the fixed bracket 10, the vertical bracket 11, and the horizontal bracket 12 are all high-strength profiles with the characteristics of high strength and light weight, which can ensure the accuracy of the second gripper 9 in grabbing materials during the material picking process.

[0037] The first gripper 8 and the second gripper 9 have the same structure. Both the first gripper 8 and the second gripper 9 are composed of a fixed clamp, a movable clamp and a servo motor 17. The servo motor 17 is fixedly arranged on the fixed clamp. The output end of the servo motor 17 is connected to the movable clamp. The servo motor 17 is connected to the electronic control unit 6. The operation of the servo motor 17 is controlled by the electronic control unit 6 to realize the control of the first gripper 8 and the second gripper 9.

[0038] A first driving rod 13 is also provided between the fixed bracket 10 and the vertical bracket 11, one end of the first driving rod 13 is hinged to the fixed bracket 10, and the other end is hinged to the vertical bracket 11, and a communication connection is established between the first driving rod 13 and the electronic control unit 6; a second driving rod 14 is provided at the top of the vertical bracket 11, one end of the second driving rod 14 is hinged to the horizontal bracket 12, and the other end is hinged to the vertical bracket 11, and a communication connection is established between the second driving rod 14 and the electronic control unit 6; the first driving rod 13 and the second driving rod 14 are controlled by the electronic control unit 6 to move, thereby realizing the vertical and horizontal movement of the material picking mechanism 5.

[0039] The frame 1 is also provided with a milling movable guide rail parallel to the length direction of the frame 1, and the milling movable guide rail is slidably connected with a first slider and a second slider, wherein the first slider is provided with a first slide plate, and the first slide plate is provided with a left milling device 2; the second slider is provided with a second slide plate, and the second slide plate is provided with a right milling device 3.

[0040] The first slide is also connected to a first driving assembly for driving the first slide to move horizontally along the milling moving guide rail, and the second slide is also connected to a second driving assembly for driving the second slide to move horizontally along the milling moving guide rail. The first slide is also provided with a first clamp for locking the first slide to prevent the first slide from moving during the milling operation, and the second slide is also provided with a second clamp for locking the second slide to prevent the second slide from moving during the milling operation.

[0041] The first drive assembly, the second drive assembly, the first clamp and the second clamp also establish communication connections with the electronic control unit 6, and the movement and locking of the left milling device 2 and the right milling device 3 are controlled by the electronic control unit 6. When the material is placed between the left milling device 2 and the right milling device 3, the distance between the left milling device 2 and the right milling device 3 is adjusted according to the size of the material under the control of the electronic control unit 6 until a suitable distance is reached, and the left milling device 2 and the right milling device 3 are locked by the first clamp and the second clamp to ensure milling accuracy.

[0042] Working method:

[0043] S1. The left milling device 2 and the right milling device 3 are simultaneously displaced to a designated position at the center of the frame 1 under the control of the electronic control unit 6;

[0044] S2. The electronic control unit 6 sends a loading instruction according to the set program, and the loading mechanism 4 grabs the material to be milled from the sorting line and sends it between the left milling device 2 and the right milling device 3. When the profile is sent to the designated position, the left milling device 2 and the right milling device 3 move to the corresponding positions according to the length of the profile to be processed, and the loading mechanism 4 puts the profile on the positioning table of the left milling device 2 and the right milling device 3. After the profile is positioned, the profile is processed by the milling cutters inside the left milling device 2 and the right milling device 3;

[0045] S3. The feeding mechanism 4 continues to grab the next profile to be milled from the sorting line and sends it to the left milling device 2 and the right milling device 3 to wait for the previous profile to be processed, and then the feeding mechanism 5 takes out the processed profile;

[0046] S4. The feeding mechanism 4 delivers the profile grabbed by the first gripper 8 to between the left milling device 2 and the right milling device 3. When the profile is delivered to the designated position, the left milling device 2 and the right milling device 3 are moved to corresponding positions according to the length of the profile to be processed, so that the positioning and processing accuracy are higher, and it is convenient for the feeding mechanism 4 to place the profile and shorten the discharge time. The feeding mechanism 4 puts the profile on the positioning table of the left milling device 2 and the right milling device 3. After the positioning of the profile is completed, the profile is processed by the milling cutters inside the left milling device 2 and the right milling device 3;

[0047] S5. The feeding mechanism 4 delivers the processed profiles taken out by the taking mechanism 5 in S3 to the sorting line, and continues to repeat S3-S5; the robot's action of taking materials is cancelled, the material placement time is reduced, and the processing efficiency is improved. The milling length between the left milling device 2 and the right milling device 3 is adjusted through the touch screen 7 on the electronic control unit.

[0048] Although the above describes the specific implementation mode of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without creative work are still within the scope of protection of the present invention.

Claims

1. An intelligent double-head end milling machine, characterized in that: include: A frame, a left milling device, a right milling device, a material taking mechanism and a material loading mechanism; the left milling device and the right milling device are slidably arranged above the frame, an electric control unit is also arranged at the end of the frame, and a touch screen is arranged on the electric control unit for controlling the left milling device, the right milling device, the material taking mechanism and the material loading mechanism; the material taking mechanism and the material loading mechanism are arranged on a mounting seat on the same side of the frame; The feeding mechanism is composed of a six-axis robot and a first gripper, wherein the first gripper is arranged at the moving end of the six-axis robot and is used to grab and place the processed material; The material picking mechanism consists of a fixed bracket, a vertical bracket, a horizontal bracket and a second gripper; the fixed bracket is fixedly installed on the mounting seat, a vertical guide rail is arranged between the fixed bracket and the vertical bracket, a horizontal guide rail is arranged on the top of the vertical bracket, a horizontal bracket is arranged on the horizontal guide rail, and a second gripper is arranged on the horizontal bracket for taking out the processed materials from between the left milling device and the right milling device.

2. The intelligent double-head face milling machine according to claim 1, characterized in that: The first gripper has the same structure as the second gripper. Both the first gripper and the second gripper are composed of a fixed clamping plate, a movable clamping plate and a servo motor. The servo motor is fixedly arranged on the fixed clamping plate. The output end of the servo motor is connected to the movable clamping plate. The servo motor is connected to the electronic control unit for controlling the operation of the servo motor.

3. The intelligent double-head face milling machine according to claim 1, characterized in that: A first driving rod is further provided between the fixed bracket and the vertical bracket, one end of the first driving rod is hinged to the fixed bracket, and the other end is hinged to the vertical bracket, and a communication connection is established between the first driving rod and the electronic control unit.

4. The intelligent double-head end milling machine according to claim 1, characterized in that: A second driving rod is arranged on the top of the vertical support, one end of the second driving rod is hinged to the horizontal support, and the other end is hinged to the vertical support, and a communication connection is established between the second driving rod and the electronic control unit.

5. The intelligent double-head end milling machine according to claim 1, characterized in that: The frame is also provided with a milling movable guide rail parallel to the length direction of the frame, and the milling movable guide rail is slidably connected with a first slider and a second slider, wherein the first slider is provided with a first slide plate, and the first slide plate is provided with a left milling device; the second slide plate is provided with a second slide plate, and the second slide plate is provided with a right milling device.

6. The intelligent double-head end milling machine according to claim 5, characterized in that: The first slide is also connected to a first driving assembly for driving the first slide to move horizontally along the milling moving guide rail, and the second slide is also connected to a second driving assembly for driving the second slide to move horizontally along the milling moving guide rail.

7. The intelligent double-head end milling machine according to claim 6, characterized in that: The first slide plate is also provided with a first clamp for locking the first slide plate, thereby preventing the first slide plate from moving during the milling operation, and the second slide plate is also provided with a second clamp for locking the second slide plate.

8. The intelligent double-head end milling machine according to claim 7, characterized in that: The first drive assembly, the second drive assembly, the first clamp and the second clamp also establish communication connections with the electronic control unit.

9. The working method of intelligent double-head face milling according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. The left milling device and the right milling device are simultaneously displaced to a designated position at the center of the frame under the control of the electronic control unit; S2. The electronic control unit sends a loading instruction according to the set program, and the loading mechanism grabs the material to be milled from the sorting line and sends it between the left milling device and the right milling device. When the profile is sent to the designated position, the left milling device and the right milling device move to the corresponding positions according to the length of the profile to be processed. The loading mechanism puts the profile on the positioning table of the left milling device and the right milling device. After the profile is positioned, the profile is processed by the milling cutters inside the left milling device and the right milling device; S3. The first gripper of the feeding mechanism continues to pick up the profile to be processed from the sorting line and sends it between the left milling device and the right milling device, waiting for the previous profile to be processed, and then the finished profile is taken out by the taking mechanism; S4. The first gripper grabs the profile and sends it between the left milling device and the right milling device. When the profile is sent to the designated position, the left milling device and the right milling device move to the corresponding positions according to the length of the profile to be processed. The feeding mechanism puts the profile on the positioning table of the left milling device and the right milling device. After the positioning of the profile is completed, the profile is processed by the milling cutters inside the left milling device and the right milling device; S5. The feeding mechanism delivers the processed profiles taken out by the taking mechanism in S3 to the sorting line, and continues to repeat S3-S5.

10. The working method of the intelligent double-head end milling according to claim 9, characterized in that: The milling length between the left milling device and the right milling device is adjusted through the touch display screen on the electronic control unit.

Images