An automatic slotting machine for processing rolled heat sink tubes

Abstract

The present invention discloses an automatic slotting machine for processing rolled heat sink tubes, comprising a frame, a fixing device, a trolley component, and a cutting device. The frame is provided with a guide rail; the fixing device is used to fix the rolled heat sink tube, the fixing device comprises a connecting shaft and a dividing plate, the dividing plate is rotatably mounted on the frame, the connecting shaft is connected to the center of the dividing plate, and a plug-in portion is provided at one end of the connecting shaft away from the dividing plate; the trolley component is slidably mounted on the guide rail, and a driving device for driving the trolley component to move is mounted on the trolley component; the cutting device is used to cut the rolled heat sink tube to slot, the cutting device is mounted on the trolley component, and the cutting device is in two groups and symmetrically distributed on both sides of the connecting shaft. The spacing between the slots on the rolled heat sink tube processed by the automatic slotting machine for processing the rolled heat sink tube provided by the present invention is uniform, the processing accuracy is high, and the present invention is easy to operate, thereby improving work efficiency.

Description

Technical Field

[0001] The invention relates to a slotting machine, in particular to an automatic slotting machine for processing rolled sheet heat dissipation tubes. Background Art

[0002] The rolled sheet heat sink is also called the fin heat sink. Its structure is that the rolled sheet is installed on the heat sink body by electric welding, brazing or other methods. Its heat transfer area is several to dozens of times that of the light tube, which can enhance heat transfer, reduce flow resistance, and reduce metal consumption, thereby improving the economy and operational reliability of the heat exchange equipment. During the preparation process of the rolled sheet heat sink, it is necessary to groove the rolled sheet on its surface multiple times. The current grooving method is to manually cut with a tool, or manually push the rolled sheet heat sink to make it cut under the high-speed rotating blade. Since multiple grooves need to be opened on the surface of the rolled sheet heat sink, the existing method needs to rotate the rolled sheet heat sink to open another groove after cutting one groove. The spacing between the grooves is uneven, resulting in poor processing accuracy of the rolled sheet heat sink, and the operation is cumbersome and the work efficiency is low. Summary of the invention

[0003] In order to solve the above technical problems, the present invention proposes an automatic grooving machine for processing rolled heat sink tubes, which aims to solve the problem of poor machining accuracy of the grooves on the rolled heat sink tubes after the existing machining method.

[0004] In order to achieve the above object, the technical solution of the present invention is as follows: an automatic slotting machine for processing rolled heat dissipation tubes, comprising:

[0005] A frame, wherein a guide rail is provided on the frame;

[0006] A fixing device, the fixing device is used to fix the sheet heat dissipation tube, the fixing device comprises a connecting shaft and a dividing plate, the dividing plate is rotatably mounted on the frame, the connecting shaft is connected to the center of the dividing plate, and a plug-in portion is provided at one end of the connecting shaft away from the dividing plate;

[0007] A trolley component, the trolley component is slidably mounted on the guide rail, and a driving device is installed on the trolley component to drive the trolley component to move;

[0008] A cutting device, the function of which is to cut the rolled heat dissipation tube to form grooves, the cutting device is installed on the trolley component, and the cutting device is divided into two groups and symmetrically distributed on both sides of the connecting shaft.

[0009] Preferably, the rack is composed of a plurality of sets of frame bodies spliced ​​together, adjacent frames are filled with asbestos paper and sealant, and the bottom surface of the rack is connected to a plurality of bases, which are located below the connection between two frames.

[0010] Preferably, the fixing device also includes a handle, a bearing seat, a fixed bearing, a long shaft, and a sliding sleeve. The dividing plate is installed at one end of the frame, the handle is installed on the dividing plate, one end of the long shaft is connected to the center of the dividing plate, the other end of the long shaft is connected to the connecting shaft through the sliding sleeve, the fixed bearing seat is installed on the frame, the bearing is installed on the bearing seat, and the long shaft passes through the fixed bearing.

[0011] Preferably, it further comprises a positioning device, which is mounted on the frame and comprises a positioning piece, wherein a side of the positioning piece facing the fixing device is arranged as a positioning portion.

[0012] Preferably, it also includes a supporting device for supporting the rolled heat dissipation tube, the supporting device includes a roller frame, a roller shaft, and a roller, the roller frame is installed on the frame, the two roller shafts are rotatably installed on the roller frame, and the roller is mounted on the roller shaft.

[0013] Preferably, the driving device includes a driving motor, a large pulley, and a gear shaft. The driving motor is fixedly mounted on the trolley component. The large pulley and the gear shaft are rotatably mounted on the trolley component. The gear shaft is connected to the center of the large pulley. A rack matching the gear shaft is provided on the frame. When the driving motor drives the large pulley to rotate, the gear shaft rotates follow suit, and when the gear shaft rotates, it drives the trolley component to move.

[0014] Preferably, the cutting device comprises a V-belt pulley, a blade shaft, and a blade, wherein the top of the blade shaft is connected to the center of the V-belt pulley, and the bottom of the blade shaft is connected to the center of the blade.

[0015] Preferably, a cutting motor and a gear box are installed on the trolley component, the output shaft of the cutting motor is connected to the gear box, and the gear box is connected to the V-belt pulley via a V-belt.

[0016] Preferably, it also includes a pressure wheel device, which is installed on the trolley component and located between the two cutting devices. The bottom of the pressure wheel device presses the rolled sheet heat dissipation tube to stabilize the rolled sheet heat dissipation tube during the cutting process.

[0017] Preferably, the pressure wheel device includes a pressure wheel frame, a pressure plate, a pressure wheel foot, a spring, and a pressure wheel. The pressure wheel frame is installed on the trolley component, the pressure plate is fixedly installed on the pressure wheel frame, the pressure wheel foot is slidably installed on the pressure wheel frame and the sliding direction is vertical, the pressure wheel foot passes through the pressure plate, the bottom of the pressure wheel foot is rotatably connected to the pressure wheel, a step portion is provided on the pressure wheel foot, the spring is sleeved on the pressure wheel foot and the spring is located between the pressure plate and the step portion.

[0018] Beneficial effects of the present invention: The grooving machine for rolled heat sink tubes provided by the present invention fixes the rolled heat sink tubes through a fixing device, and the cutting device operates. Driven by the trolley component, the cutting device linearly cuts the rolled heat sink tubes to form grooves, and then the fixing device drives the rolled tubes to rotate and repeatedly cut. Under the action of the dividing plate, the rotation angle is fixed each time, the spacing between the grooves is uniform, the processing accuracy is high, and the operation is convenient, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 for Figure 1 Top view in the E direction;

[0021] Figure 3 for Figure 2 Cross-section of the middle CC;

[0022] Figure 4 for Figure 1 Top view in the F direction;

[0023] Figure 5 for Figure 4 Cross-section of the middle DD;

[0024] Figure 6 for Figure 1 Cross-section of the middle AA;

[0025] Figure 7 for Figure 6 Cross-section of the middle BB;

[0026] Figure 8 This is the front view of the car parts;

[0027] Fig. 9 It is a top view of the car parts;

[0028] Fig.10 It is a schematic diagram of the structure of the driving motor and the small pulley;

[0029] Fig.11 Schematic diagram of the cutting device

[0030] Fig.12 It is a front view of the pressing wheel device;

[0031] Fig.13 is a top view of the pressing wheel device;

[0032] Among them: 1. Rack;

[0033] 2. Fixing device, 201. Connecting shaft, 201a. Plug-in part, 202. Indexing plate, 203. Handle, 204. Bearing seat, 205. Fixed bearing, 206. Long shaft, 207. Sliding sleeve,

[0034] 3. Trolley parts;

[0035] 4. Driving device, 401. Driving motor, 402. Large pulley, 403. Gear shaft, 404. Small pulley,

[0036] 5. cutting device, 501. V-belt pulley, 502. blade shaft, 503. blade, 504. blade shaft bearing seat, 505. oil seal, 506. hanging block, 507. limiting nut, 508. blade pressure plate, 509. upper bearing cover, 510. lower bearing cover;

[0037] 6. Positioning device, 601. Positioning member, 601a. ​​Positioning portion, 602. Positioning base, 603. Lining plate, 604. Positioning seat;

[0038] 7. Support device, 701 roller frame, 702 roller shaft, 703 roller;

[0039] 8. Pressing wheel device, 801. Pressing wheel frame, 802. Pressing plate, 803. Pressing wheel foot, 804. Spring, 805. Pressing wheel, 806. Frame mounting seat;

[0040] 9. Guide rail, 10. Base, 11. Rack, 12. Cutting motor, 13. Gear box, 14. V-belt. DETAILED DESCRIPTION

[0041] The present invention is further described in detail below in conjunction with specific implementation modes.

[0042] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "up", "down", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] like Figures 1 to 13 As shown, this embodiment provides an automatic grooving machine for processing rolled heat dissipation tubes, including: a frame 1, a fixing device 2, a cutting device 5, a positioning device 6, a supporting device 7, and a pressing wheel device 8.

[0045] Key References Figure 1 The frame 1 is composed of multiple frames, and the adjacent frames are filled with asbestos paper and sealant to improve the sealing performance. The bottom surface of the frame 1 is connected to a plurality of bases 10, and the base 10 is located below the connection between the two frames. The function of the base 10 is to support the frame 1.

[0046] Key References Figure 2 and Figure 3 The fixing device 2 is used to fix the sheet heat dissipation tube. The fixing device 2 includes a connecting shaft 201, a dividing plate 202, a handle 203, a bearing seat 204, a fixed bearing 205, a long shaft 206, and a sliding sleeve 207. The dividing plate 202 is rotatably mounted on the right end of the frame 1, the connecting shaft 201 is connected to the center of the dividing plate 202, and a plug-in portion 201a is provided at one end of the connecting shaft 201 away from the dividing plate 202. The plug-in portion 201a is plugged into the right end of the sheet heat dissipation tube. The function of the dividing plate 201 is to make the angle of each rotation of the connecting shaft 201 fixed.

[0047] The handle 203 is mounted on the indexing plate 202. One end of the long shaft 206 is connected to the center of the indexing plate 202, and the other end of the long shaft 206 is connected to the connecting shaft 201 through a sleeve 207. The function of the sleeve 207 is to adjust the distance of the connecting shaft 201 in the left and right directions to adapt to the different lengths of the sheet heat dissipation tubes. The bearing seat 204 is mounted on the frame 1, and the fixed bearing 205 is mounted on the bearing seat 204, and the long shaft 206 passes through the fixed bearing 205. The function of the bearing seat 204 is to support the long shaft 206, and the function of the fixed bearing 205 is to reduce friction and improve the stability of the rotation of the long shaft 206.

[0048] Key References Figure 4 and Figure 5 The positioning device 6 is installed on the frame 1, and the positioning device 6 includes a positioning member 601, a positioning base 602, a lining plate 603, and a positioning seat 604. The side of the positioning member 601 facing the fixing device 2 is set as a positioning portion 601a. ​​The function of the positioning portion 601a is to support the other end of the sheet heat dissipation pipe. The positioning base 602 is installed on the frame 1, and the positioning seat 604 is installed on the positioning base 602 through the lining plate 603, and the positioning member 601 is installed on the positioning base 602.

[0049] Key References Figure 6The frame 1 is provided with a guide rail 9, the guide rail 9 is horizontal, and the length direction of the guide rail 9 is the left-right direction. The trolley component 3 is slidably mounted on the guide rail 9, and a driving device 4 for driving the trolley component 3 to move is installed on the trolley component 3.

[0050] Key References Figure 1 , Figure 6 and Fig.10 The driving device 4 includes a driving motor 401, a large pulley 402, a gear shaft 403 and a small pulley 404. The driving motor 401 is fixedly mounted on the trolley component 3, and the large pulley 402, the gear shaft 403 and the small pulley 404 are rotatably mounted on the trolley component 3, and the gear shaft 403 is connected to the center of the large pulley 402. The driving motor 401 drives the small pulley 404 to rotate through a plurality of gears, and the small pulley 404 drives the large pulley 402 to rotate through a belt (not shown in the figure).

[0051] Key References Figure 6 The rack 1 is provided with a rack 11 matching the gear shaft 403. The length direction of the rack 11 is consistent with the length direction of the guide rail 9. When the driving motor 401 drives the large pulley 402 to rotate, the gear shaft 403 rotates, and when the gear shaft 403 rotates, it drives the trolley component 3 to move under the action of the rack.

[0052] The function of the cutting device 5 is to cut the rolled heat dissipation tube to form a groove.

[0053] Key References Figure 8 , Fig. 9 and Fig.11, the cutting device 5 is installed on the trolley component 3, and the cutting device 5 is divided into two groups and symmetrically distributed on both sides of the connecting shaft 201. The cutting device 5 includes a triangular belt pulley 501, a blade shaft 502, a blade 503, a blade shaft bearing seat 504, an oil seal 505, a fastening fastener 506, a limit nut 507, a blade pressure plate 508, an upper bearing cover 509, and a lower bearing cover 510. The blade shaft 502 is a vertically arranged shaft. The top of the blade shaft 502 is connected to the center of the triangular belt pulley 501, and the lower part of the blade shaft 502 is connected to the center of the blade 503. The blade shaft bearing seat 504 is sleeved on the blade shaft 502, the upper bearing cover 509 is arranged at the upper section of the blade shaft bearing seat 504, and the lower bearing cover 501 is arranged at the lower end of the blade shaft bearing seat 504. Lubricating oil is added between the blade shaft bearing seat 504 and the blade shaft 502. An oil seal 505 is provided in the knife shaft bearing seat 504, and the oil seal 505 is located above the lower bearing cover 509. In addition, a bearing sleeved on the blade shaft 502 can be installed in the knife shaft bearing seat 504 to ensure the stability of the rotation of the blade shaft 502. The knife shaft bearing seat 504 is used to connect with the trolley component 3. The two sides of the knife shaft bearing seat 504 are connected with a fastening fastener 506, which is used to ensure the stability of the cutting device 5. The blade 503 is installed on the blade shaft 501 through a blade pressing plate 508. The blade pressing plate 505 is sleeved on the blade shaft 501, and the blade 503 is clamped on the blade pressing plate 505. The blade nut 507 is sleeved on the blade shaft 501 and is located below the blade pressing plate 505.

[0054] Key References Figure 8 and Fig. 9 The trolley component 3 is provided with a cutting motor 12 and a gear box 13, the output shaft of the cutting motor 12 is connected to the gear box 13, and the gear box 13 is connected to the V-belt pulley 501 through a V-belt 14. A plurality of gears are arranged in the gear box 13, and its structure is the prior art, and its structure is not described in detail in this embodiment.

[0055] Key References Figure 8 and Fig. 9 The pressing wheel device 8 is installed on the trolley component 3, and the pressing wheel device 8 is located between the two cutting devices 5. The bottom of the pressing wheel device 8 presses the rolled sheet heat dissipation tube to stabilize the rolled sheet heat dissipation tube during the cutting process.

[0056] Key References Fig.12 and Fig.13The pressure roller device 8 includes a pressure roller frame 801, a pressure plate 802, a pressure roller foot 803, a spring 804, a pressure roller 805 and a frame mounting seat 806. The pressure roller frame 801 is mounted on the trolley component 3, the pressure plate 802 is fixedly mounted on the pressure roller frame 801, the pressure roller foot 803 is slidably mounted on the pressure roller frame 801 and the sliding direction is vertical, the pressure roller foot 803 passes through the pressure plate 802, and the bottom of the pressure roller foot 803 is rotatably connected to the pressure roller 805. A step portion is provided on the pressure roller foot 803, and the spring 804 is sleeved on the pressure roller foot 803 and the spring 804 is located between the pressure plate 802 and the step portion. Frame mounting seats 806 are installed on both sides of the pressure roller frame 801, and the pressure roller frame 806 is mounted on the trolley component 3 through one of the frame mounting seats 806.

[0057] Key References Figure 6 and Figure 7 The support device 7 is used to support the sheet heat sink, and the support device 7 includes a roller frame 701, a roller shaft 702, and a roller 703. The roller frame 701 is mounted on the frame 1, and two roller shafts 702 are rotatably mounted on the roller frame 701. The roller 703 is sleeved on the roller shaft 702. The two rollers 703 are distributed front and back, and the sheet heat sink is mounted on the two rollers 703. When the fixing device 4 drives the sheet heat sink to rotate, the roller 703 rotates to reduce the friction between the roller and the sheet heat sink.

[0058] The working process of the automatic slotting machine for processing rolled heat pipes is as follows:

[0059] The right end of the rolled heat sink is fixed on the connecting shaft 201, and the left end is against the positioning part 601a of the positioning member 601. The cutting motor 12 and the driving device 4 are running, the trolley component 3 slides, and the two cutting devices 5 cut the rolled heat sink to open two grooves. After the cutting is completed, the trolley component 3 returns to its original position, and the indexing plate 202 rotates to rotate the rolled heat sink to a certain angle, and then cut and groove again. The above steps are repeated several times to complete the groove.

[0060] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An automatic slotting machine for processing rolled heat pipes, characterized in that: include: A frame (1), wherein a guide rail (9) is provided on the frame (1); A fixing device (2), the fixing device (2) being used to fix the sheet heat dissipation tube, the fixing device (2) comprising a connecting shaft (201) and a dividing plate (202), the dividing plate (202) being rotatably mounted on the frame (1), the connecting shaft (201) being connected to the center of the dividing plate (202), and a plug-in portion (201a) being provided at one end of the connecting shaft (201) away from the dividing plate (202); a trolley component (3), the trolley component (3) being slidably mounted on the guide rail (9), and a driving device (4) for driving the trolley component (3) to move is installed on the trolley component (3); A cutting device (5), the function of which is to cut the rolled heat dissipation tube to form a groove, the cutting device (5) being mounted on the trolley component (3), the cutting device (5) being in two groups and symmetrically distributed on both sides of the connecting shaft (201); The fixing device (2) further comprises a handle (203), a bearing seat (204), a fixed bearing (205), a long shaft (206), and a sliding sleeve (207); the indexing plate (202) is mounted on one end of the frame (1); the handle (203) is mounted on the indexing plate (202); one end of the long shaft (206) is connected to the center of the indexing plate (202); the other end of the long shaft (206) is connected to the connecting shaft (201) via the sliding sleeve (207); the bearing seat (204) is mounted on the frame (1); the fixed bearing (205) is mounted on the bearing seat (204); and the long shaft (206) passes through the fixed bearing (205); The automatic slotting machine for processing rolled heat sink tubes also includes a pressing wheel device (8), which is installed on the trolley component (3). The pressing wheel device (8) is located between the two cutting devices (5). The bottom of the pressing wheel device (8) presses against the rolled heat sink tube to stabilize the rolled heat sink tube during the cutting process.

2. The automatic slotting machine for processing rolled sheet heat dissipation tubes according to claim 1, characterized in that: The frame (1) is composed of a plurality of frame bodies spliced ​​together, and asbestos paper and sealant are filled between adjacent frames. The bottom surface of the frame (1) is connected to a plurality of bases (10), and the bases (10) are located below the connection between two frames.

3. The automatic slotting machine for processing rolled sheet heat dissipation tubes according to claim 1, characterized in that: It also comprises a positioning device (6), the positioning device (6) being mounted on the frame (1), the positioning device (6) comprising a positioning member (601), and a side of the positioning member (601) facing the fixing device (2) being arranged as a positioning portion (601a).

4. The automatic slotting machine for processing rolled sheet heat dissipation tubes according to claim 3, characterized in that: It also includes a support device (7) for supporting the rolled heat dissipation tube, the support device (7) including a roller frame (701), a roller shaft (702), and a roller (703), the roller frame (701) being mounted on the frame (1), the two roller shafts (702) being rotatably mounted on the roller frame (701), and the roller (703) being sleeved on the roller shaft (702).

5. The automatic slotting machine for processing rolled sheet heat dissipation tubes according to claim 1, characterized in that: The driving device (4) comprises a driving motor (401), a large pulley (402), and a gear shaft (403); the driving motor (401) is fixedly mounted on the trolley component (3); the large pulley (402) and the gear shaft (403) are rotatably mounted on the trolley component (3); the gear shaft (403) is connected to the center of the large pulley (402); a rack (11) matching the gear shaft (403) is arranged on the frame (1); when the driving motor (401) drives the large pulley (402) to rotate, the gear shaft (403) rotates accordingly; when the gear shaft (403) rotates, it drives the trolley component (3) to move.

6. The automatic slotting machine for processing rolled sheet heat dissipation tubes according to claim 1, characterized in that: The cutting device (5) comprises a V-belt pulley (501), a blade shaft (502), and a blade (503); the top end of the blade shaft (502) is connected to the center of the V-belt pulley (501), and the bottom end of the blade shaft (502) is connected to the center of the blade (503).

7. The automatic slotting machine for processing rolled sheet heat dissipation tubes according to claim 6, characterized in that: A cutting motor (12) and a gear box (13) are installed on the trolley component (3); the output shaft of the cutting motor (12) is connected to the gear box (13); and the gear box (13) is connected to the V-belt pulley (501) via a V-belt (14).

8. The automatic slotting machine for processing rolled sheet heat dissipation tubes according to claim 1, characterized in that: The pressure wheel device (8) comprises a pressure wheel frame (801), a pressure plate (802), a pressure wheel foot (803), a spring (804), and a pressure wheel (805); the pressure wheel frame (801) is mounted on the trolley component (3); the pressure plate (802) is fixedly mounted on the pressure wheel frame (801); the pressure wheel foot (803) is slidably mounted on the pressure wheel frame (801) and the sliding direction is vertical; the pressure wheel foot (803) passes through the pressure plate (802); the bottom of the pressure wheel foot (803) is rotatably connected to the pressure wheel (805); a stepped portion is provided on the pressure wheel foot (803); the spring (804) is sleeved on the pressure wheel foot (803) and the spring (804) is located between the pressure plate (802) and the stepped portion.

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