Porous micro-channel aluminum flat pipe end anti-deformation cutting device

Abstract

The invention relates to the technical field of aluminum flat tube processing, and provides a porous micro-channel aluminum flat tube end anti-deformation cutting device which comprises a workbench and a fixing base installed at the top end of the workbench. A conveying frame is arranged on one side of the top end of the workbench, a pneumatic sliding table is installed in the middle of the fixing base, and a tool apron is arranged at the top end of the pneumatic sliding table. The tool apron comprises a support, a roller blade, a tool rest and a fixing shaft. According to the aluminum flat pipe cutting device, the aluminum flat pipe is continuously conveyed to the position between the fixing plates through the conveying belt installed on one side of the cutter holder and the fixing base, the aluminum flat pipe is pressed downwards, limited and cut in the conveying process by controlling cooperation between the air cylinder and the pneumatic sliding table, and the aluminum flat pipe can be cut by adjusting the starting time between the air cylinder and the pneumatic sliding table. The cutting length of the aluminum flat tube is controlled, so that the continuity of the cutting device for the porous micro-channel aluminum flat tube is realized, the operation in a stable working state is ensured, and the cutting efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum flat tube processing, and in particular to an anti-deformation cutting device for an end of a porous microchannel aluminum flat tube. Background Art

[0002] Porous microchannel aluminum flat tube, also known as "parallel flow aluminum flat tube", is a thin-walled porous flat tubular material made of refined aluminum rods through hot extrusion process and treated with zinc spraying for corrosion protection. The interior is composed of multiple tiny channels. These channels are various in form, including rectangular, triangular and circular, and the channel width is usually less than 0.5mm. It is mostly used in air-conditioning systems, refrigerators, electronic equipment and other fields. During the production process, a special cutting device is required to cut the aluminum flat tube;

[0003] When the traditional porous microchannel aluminum flat tube cutting device is working, it is necessary to constantly replace and adjust the aluminum flat tube and replace the tube body after cutting, which leads to frequent shutdown and restart, etc., which wastes a lot of time and reduces the overall cutting efficiency. Moreover, when restarting the cutting device, the contact state between the cutting knife and the aluminum flat tube, the cutting speed and other parameters may change, which may easily lead to problems such as uneven incision and inaccurate size. Summary of the invention

[0004] The purpose of the present invention is to provide a porous microchannel aluminum flat tube end anti-deformation cutting device to solve the defect that the existing porous microchannel aluminum flat tube cutting device is inconvenient to work continuously.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a porous microchannel aluminum flat tube end anti-deformation cutting device, comprising a workbench and a fixed seat installed on the top thereof; a transmission frame is arranged on one side of the top of the workbench, a pneumatic slide is installed at the middle position of the fixed seat, and a knife seat is arranged at the top of the pneumatic slide; the knife seat comprises a support, a roller blade, a knife holder and a fixed shaft; the support is arranged at the top and bottom of the middle position of the knife holder, the knife holder is fixed at the opposite ends of the support, and a roller blade is installed at the middle position of the knife holder, and a fixed shaft is installed on the axis of the roller blade.

[0006] Preferably, conveying shafts are installed on both sides of the top of the transmission frame, and a conveyor belt is arranged outside the conveying shaft, and a servo motor is installed at one end of the conveying shaft.

[0007] Preferably, the fixing seats are symmetrically distributed about the center line of the pneumatic slide, pillars are provided at the corners of the top of the fixing seats, and limiting plates are installed outside the pillars.

[0008] Preferably, a sliding structure is formed between the limit plate and the support column, and a fixing plate is provided on one side opposite to the limit plate and the fixing seat, and the bottom of the fixing plate is flush with the conveyor belt.

[0009] Preferably, a cylinder is installed at the top of the fixing seat, and the output end of the cylinder is connected to the top of the limiting plate. Limiting shafts are arranged at both ends of one side of the fixing seat, and the position of the limiting shafts is flush with the fixing plate.

[0010] Preferably, the roller blades are symmetrically distributed up and down about the center line of the blade seat, and the fixed axis passes through the axis position of the roller blades.

[0011] Preferably, a fixed cylinder is installed on one side of the roller blade, and a movable sleeve is provided outside the fixed cylinder, and a sliding structure is formed between the movable sleeve and the fixed cylinder.

[0012] Preferably, springs are provided inside the fixed cylinder and the movable sleeve, and limiting beads are installed on both sides of the outer wall of the fixed cylinder.

[0013] Preferably, the outer wall of the fixed shaft at one end opposite to the limiting bead is provided with a limiting groove, and a snap-fit ​​structure is formed between the limiting groove and the limiting bead, and the limiting groove is trapezoidal in shape.

[0014] Preferably, the inner walls of the movable sleeves on both sides of the limiting beads are provided with convex strips, and one side of the convex strips is provided with grooves, and the inner diameter of the grooves is greater than the outer diameter of the limiting beads.

[0015] Compared with the prior art, the invention has the following beneficial effects: the porous microchannel aluminum flat tube cutting device can realize continuous cutting of the aluminum flat tube by controlling the cylinder and the pneumatic slide when cutting the aluminum flat tube, thereby improving production efficiency, and the upper and lower sets of roller blades can effectively prevent the aluminum flat tube from being deformed during cutting, and the roller blades can be easily replaced, thereby enhancing practicality;

[0016] 1. The conveyor belt installed on one side of the fixed seat with a knife seat continuously conveys the aluminum flat tube to the fixed plate. By controlling the coordination between the cylinder and the pneumatic slide, the aluminum flat tube is pressed down to limit the position and cut during the conveying process. The cutting length of the aluminum flat tube can be controlled by adjusting the start time between the cylinder and the pneumatic slide, thereby realizing the continuity of the porous microchannel aluminum flat tube cutting device, ensuring the operation under a stable working state, and improving the cutting efficiency;

[0017] Furthermore, the fixing plate extends toward the position of the cutter, and when the aluminum flat tube is squeezed and limited, a larger area of ​​the fixing plate can be in contact with the aluminum flat tube, giving it the maximum supporting force, and effectively avoiding the deformation of the aluminum flat tube during the cutting process;

[0018] Furthermore, the roller blades are provided with two groups, upper and lower. When cutting the aluminum flat tube, the roller blades act simultaneously in the upper and lower directions, which can jointly offset the vibration and deviation that may occur during the cutting process, thereby improving the cutting stability. When the roller blades are cutting, the bending of the aluminum flat tube is very small, which can ensure the straightness of the aluminum flat tube and avoid deformation, thereby improving the product quality.

[0019] 2. By setting up a fixed shaft, the roller blade will be worn out after cutting the aluminum flat tube for a long time, which will reduce its sharpness and affect its cutting effect, so it needs to be replaced regularly. The movable sleeve can be pulled directly inward so that the limit bead loses the extrusion of the convex strip, and the fixed shaft can be directly pulled out to realize the disassembly of the roller blade, so that the porous microchannel aluminum flat tube cutting device is easy to replace the roller blade and the operation is simplified. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a left-view three-dimensional structural schematic diagram of the present invention;

[0021] Figure 2 It is a right-view three-dimensional structural schematic diagram of the present invention;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the fixing seat of the present invention from the left side;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixing seat of the present invention from the right side;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the support of the present invention;

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the roller blade of the present invention in a disassembled state;

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the fixed shaft of the present invention;

[0027] Figure 8 It is a schematic diagram of the three-dimensional structure of the movable sleeve of the present invention in a half-section state.

[0028] Explanation of the reference numerals in the figure: 1. workbench; 2. transmission frame; 21. conveyor belt; 22. servo motor; 23. transmission shaft; 3. fixed seat; 31. cylinder; 32. limit plate; 33. pillar; 34. limit shaft; 35. fixed plate; 4. pneumatic slide; 5. tool holder; 51. support; 52. roller blade; 53. tool holder; 54. fixed shaft; 541. movable sleeve; 542. fixed cylinder; 543. spring; 544. limit bead; 545. groove; 546. limit slot; 547. convex strip. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 8 The present invention provides a multi-porous microchannel aluminum flat tube end anti-deformation cutting device, comprising a workbench 1 and a fixed seat 3 installed at the top thereof; a transmission frame 2 is arranged on one side of the top of the workbench 1, a pneumatic slide 4 is installed at the middle position of the fixed seat 3, and a knife seat 5 is arranged at the top of the pneumatic slide 4; the knife seat 5 comprises a support 51, a roller blade 52, a knife holder 53 and a fixed shaft 54; the support 51 is arranged at the top and bottom of the middle position of the knife holder 5, a knife holder 53 is fixed at the opposite end of the support 51, and a roller blade 52 is installed at the middle position of the knife holder 53, and a fixed shaft 54 ​​is installed on the axis of the roller blade 52, a transmission shaft 23 is installed on both sides of the top of the transmission frame 2, and the transmission shaft 23 is installed on both sides of the top of the transmission frame 2. A conveyor belt 21 is arranged outside the conveying shaft 23, a servo motor 22 is installed at one end of the conveying shaft 23, the fixed seat 3 is symmetrically distributed about the center line of the pneumatic slide 4, pillars 33 are arranged at the corners of the top of the fixed seat 3, and a limit plate 32 is installed outside the pillar 33, a sliding structure is formed between the limit plate 32 and the pillar 33, a fixed plate 35 is arranged on the opposite side of the limit plate 32 and the fixed seat 3, the bottom of the fixed plate 35 is flush with the conveyor belt 21, a cylinder 31 is installed on the top of the fixed seat 3, and the output end of the cylinder 31 is connected to the top of the limit plate 32, and a limit shaft 34 is arranged at both ends of one side of the fixed seat 3, and the position of the limit shaft 34 is flush with the fixed plate 35;

[0031] Reference Figure 2 , Figure 3 , Figure 4 and Figure 6As shown, when the device is used, the aluminum flat tube is placed in the middle of the conveyor belt 21, and then the servo motor 22 is started to drive the conveyor shaft 23 to rotate, so that the conveyor belt 21 rotates, and the aluminum flat tube above it is conveyed to one side, passing through the bottom of the limit plate 32, and the top of the fixing plate 35 at the bottom, until it is conveyed to the middle of the fixing plate 35 on the other side. When the aluminum flat tube is conveyed to a predetermined size, the system immediately starts the cylinder 31 to press the limit plate 32 downward, driving the fixing plate 35 at the bottom to move, fixing both sides of the aluminum flat tube stably, and the fixing plate 35 extends to the opposite side, so that the aluminum flat tube can be fixed in a larger range, effectively avoiding deformation during cutting. When the aluminum flat tube is fixed, the pneumatic cylinder 31 is immediately started. The slide 4 drives the knife seat 5 above it to move forward. Two groups of roller blades 52 are symmetrically arranged at the middle position of the knife seat 5. The top and bottom of the aluminum flat tube are cut at the same time during displacement to ensure the straightness of the aluminum flat tube and avoid deformation of the end. After the cutting is completed, the pneumatic slide 4 is controlled to drive the roller blade 52 to reset, and the cylinder 31 drives the limit plate 32 to move upward and reset. After the aluminum flat tube loses the extrusion of the limit plate 32, it continues to be transmitted to one side under the action of the conveyor belt 21. The limit shaft 34 on one side of the fixed seat 3 can limit the aluminum flat tube in transportation so that it is always in the middle position. When it is transported to a predetermined size, it is fixed and cut again, thereby realizing the continuity of the cutting device and improving the cutting efficiency.

[0032] The roller blade 52 is symmetrically distributed about the center line of the knife seat 5. The fixed shaft 54 ​​passes through the axis position of the roller blade 52. A fixed cylinder 542 is installed on one side of the roller blade 52, and a movable sleeve 541 is arranged on the outside of the fixed cylinder 542. A sliding structure is formed between the movable sleeve 541 and the fixed cylinder 542. Springs 543 are arranged inside the fixed cylinder 542 and the movable sleeve 541. Limiting beads 544 are installed on both sides of the outer wall of the fixed cylinder 542. A limiting groove 546 is arranged on the outer wall of the fixed shaft 54 ​​at one end opposite to the limiting bead 544, and a clamping structure is formed between the limiting groove 546 and the limiting bead 544. The limiting groove 546 is trapezoidal. The inner wall of the movable sleeve 541 on both sides of the limiting bead 544 is provided with convex strips 547, and a groove 545 is arranged on one side of the convex strip 547. The inner diameter of the groove 545 is larger than the outer diameter of the limiting bead 544.

[0033] Reference Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, when the device is in use, the roller blade 52 will be worn out and the sharpness of the blade will be reduced after long-term use, so it needs to be replaced. The movable sleeve 541 is pulled inward to the innermost end, so that the groove 545 on the inner wall of the movable sleeve 541 moves to the limiting bead 544, and the limiting bead 544 loses the extrusion of the convex strip 547. At this time, the fixed shaft 54 ​​is directly pulled outward. Because the limiting groove 546 is trapezoidal, when it is pulled outward, the limiting bead 544 is squeezed and moved to the inside of the groove 545. The fixed shaft 54 ​​loses the limit and can be taken out. The roller blade 52 is placed in the middle position of the tool holder 53. After passing through the tool holder 53, the roller blade 52 and the fixed cylinder 542, the movable sleeve 541 is released. The movable sleeve 541 is phase-shifted under the push of the tension of the spring 543, and the groove 545 is trapezoidal, which squeezes the limiting bead 544. Under the push of the arc of the trapezoid, it enters the limiting groove 546 on the outer wall of the fixed shaft 54 ​​until the convex strip 547 moves to the groove 545, firmly squeezing it into the inside of the limiting groove 546, so that the roller blade 52 can be removed by a light pull, and the operation is simplified.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for cutting the end of a porous microchannel aluminum flat tube to prevent deformation, comprising a workbench (1) and a fixing seat (3) mounted on the top thereof; Features: A transmission frame (2) is arranged on one side of the top of the workbench (1), a pneumatic slide (4) is installed at the middle position of the fixed seat (3), and a knife seat (5) is arranged at the top of the pneumatic slide (4); The knife seat (5) comprises a support seat (51), a roller blade (52), a knife holder (53) and a fixed shaft (54); The support (51) is arranged at the top and bottom of the middle position of the knife seat (5), a knife holder (53) is fixed to the opposite end of the support (51), and a roller blade (52) is installed at the middle position of the knife holder (53), and a fixed shaft (54) is installed at the axis of the roller blade (52).

2. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 1, characterized in that: A transmission shaft (23) is installed on both sides of the top of the transmission frame (2), and a conveyor belt (21) is arranged outside the transmission shaft (23). A servo motor (22) is installed at one end of the transmission shaft (23).

3. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 1, characterized in that: The fixing seat (3) is symmetrically distributed with respect to the center line of the pneumatic slide (4), and pillars (33) are provided at the corners of the top of the fixing seat (3), and a limiting plate (32) is installed outside the pillar (33).

4. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 3, characterized in that: A sliding structure is formed between the limiting plate (32) and the pillar (33), and a fixing plate (35) is provided on the opposite side of the limiting plate (32) and the fixing seat (3), and the bottom of the fixing plate (35) is flush with the conveyor belt (21).

5. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 3, characterized in that: A cylinder (31) is installed at the top of the fixing seat (3), and the output end of the cylinder (31) is connected to the top of the limit plate (32). Limit shafts (34) are provided at both ends of one side of the fixing seat (3), and the position of the limit shaft (34) is flush with the fixing plate (35).

6. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 1, characterized in that: The roller blades (52) are symmetrically distributed up and down about the center line of the blade seat (5), and the fixed shaft (54) passes through the axis position of the roller blades (52).

7. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 6, characterized in that: A fixed cylinder (542) is installed on one side of the roller blade (52), and a movable sleeve (541) is arranged outside the fixed cylinder (542), and a sliding structure is formed between the movable sleeve (541) and the fixed cylinder (542).

8. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 7, characterized in that: Springs (543) are disposed inside the fixed cylinder (542) and the movable sleeve (541), and limiting beads (544) are installed on both sides of the outer wall of the fixed cylinder (542).

9. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 8, characterized in that: The outer wall of the fixed shaft (54) at one end opposite to the limiting bead (544) is provided with a limiting groove (546), and a snap-fit ​​structure is formed between the limiting groove (546) and the limiting bead (544), and the limiting groove (546) is in a trapezoidal shape.

10. The anti-deformation cutting device for the end of a porous microchannel aluminum flat tube according to claim 9, characterized in that: The inner walls of the movable sleeve (541) on both sides of the limiting bead (544) are provided with convex strips (547), and one side of the convex strips (547) is provided with a groove (545), and the inner diameter of the groove (545) is greater than the outer diameter of the limiting bead (544).

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