A cutting device for composite keel forming production

Abstract

The application discloses a cutting device for composite keel forming production, and belongs to the technical field of composite keel production. The cutting device comprises a rack, a conveying mechanism is arranged on the upper surface of the rack, a dust cover is arranged above the inner wall of the rack, a second motor is bolted to the front of the dust cover, a rotating rod is fixedly connected to the output end of the second motor, a circular saw blade is fixedly arranged on the outer side of the rotating rod, and the circular saw blade is rotatably connected to the inside of the dust cover through the rotating rod. The cutting device can adaptively adjust the cutting resistance, dynamically adapt the cooling and dust removal range, is compatible with multiple specifications of keels, and can realize synchronous linkage of the circular saw blade and the nozzle during cutting. The size range of the nozzle is swung through intermittent double-rack and gear meshing switching, the saw blade flutter is inhibited through cooperation of a friction ring, the cutting defect is reduced, and the cutting precision and efficiency are improved through translation of a cylinder driving component to guarantee adaptation of multiple specifications of keels.

Description

Technical Field

[0001] This invention relates to the field of composite keel production technology, specifically a cutting device for composite keel forming and production. Background Technology

[0002] Composite keel, as a core load-bearing and supporting component in building decoration, furniture manufacturing, and other fields, is widely used in ceilings, partitions, cabinet frames, and other scenarios due to its advantages such as lightweight, high strength, corrosion and moisture resistance, and convenient assembly. With the promotion of industrialized construction and prefabricated construction, the production of composite keel is developing towards large-scale and customized production, which places higher demands on the cutting precision, cutting efficiency, and cut quality of the formed composite keel. Therefore, it is necessary to use specialized cutting equipment to cut the formed long strips of composite keel to a fixed length. However, the existing cutting equipment for composite keel forming and production has the following defects in actual use:

[0003] The contact pressure between the friction ring and the circular saw blade in existing devices is mostly a fixed value, which cannot be dynamically adjusted according to the thickness of the composite keel. When cutting thick sections, the fixed pressure leads to excessive cutting resistance, which not only increases the motor load and reduces cutting efficiency, but also fails to provide sufficient damping constraint when cutting thin sections. In addition, the large difference in hardness between the metal substrate and the composite layer of the composite keel makes high-speed cutting prone to high-frequency vibration of the circular saw blade, resulting in wavy cuts, increased burrs, and even quality problems such as composite layer peeling and metal substrate curling. Furthermore, the nozzles of existing devices mostly oscillate in a fixed direction or with a single amplitude, and cannot dynamically adjust the coverage area according to the cutting thickness. When cutting thick sections... Cutting generates more heat and dust. Fixed or slightly oscillating nozzles cannot achieve uniform cooling and dust removal over a wide area, causing heat to accumulate in the cutting area. This can easily lead to annealing of the circular saw blade and softening of the teeth. Furthermore, dust pollution can occur, and dust adhesion can affect cutting accuracy and equipment operation. When cutting thin sections, the work efficiency is higher, requiring precise cooling and dust removal to avoid local overheating and melting of the composite layer or dust clogging the cut. However, the large-range oscillating nozzles of existing devices can cause the cooling medium (such as cutting fluid) or dust removal airflow to be dispersed, failing to focus on the cutting area. This results in low cooling and dust removal efficiency, waste of cooling medium, and further increases operating costs.

[0004] To address the aforementioned issues, innovative designs are urgently needed based on existing approaches. Summary of the Invention

[0005] The purpose of this invention is to provide a cutting device for composite keel forming production to solve the problems mentioned in the background art. The technical solution of this invention addresses the problem that the existing technical solutions are too simplistic and provides a solution that is significantly different from the existing technology.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cutting device for composite keel forming production, comprising a frame, a conveying mechanism installed on the upper surface of the frame, and a dust cover provided above the inner wall of the frame, a second motor bolted to the front of the dust cover, and a rotating rod fixedly connected to the output end of the second motor, a circular saw blade sleeved and fixed on the outer side of the rotating rod, and the circular saw blade being rotatably connected to the inside of the dust cover through the rotating rod;

[0007] It also includes a lead screw, which is bearing-connected to the upper part of the inner wall of the frame. A first motor is bolted to the upper right side of the frame. The right end of the lead screw is fixedly connected to the output end of the first motor. A limit rod is fixedly connected to the upper part of the inner wall of the frame. A movable seat is sleeved on the outer side of the limit rod and the lead screw. A resistance adjustment component is provided inside the movable seat. A support plate is fixed to the left side of the movable seat. A nozzle is rotatably connected to the bottom of the support plate through a rotating shaft. A liquid storage tank is installed on the back of the movable seat. The liquid storage tank is connected to the inside of the nozzle through a hose. A cooling range adjustment component is provided on the lower surface of the support plate. A cylinder is fixedly installed to the upper left side of the frame through bolts. A connecting plate is fixedly connected to the telescopic end of the cylinder.

[0008] Preferably, the right end of the lead screw penetrates the outer surface of the frame, the movable seat is threaded to the lead screw, the movable seat is slidably connected to the limiting rod, and the bottom of the movable seat is fixedly connected to the top of the dust cover by bolts.

[0009] Preferably, a torsion spring is wound and fixed at one end of the rotating shaft, and the other end is fixed to the bottom of the support plate.

[0010] Preferably, the resistance adjustment assembly includes two friction rings, which are symmetrically sleeved on the outside of the rotating rod about the center point of the circular saw blade. Ball bearings are rolled and embedded at equal angles on the opposite surfaces of the two friction rings. Connecting plates are fixed to the opposite surfaces of the two friction rings, and fitting blocks are provided on the opposite surfaces of both connecting plates. A guide plate is slidably connected to the interior of the movable seat via a slider, and a return spring is installed between the end of the slider and the inner wall of the movable seat. The guide plate is connected to both connecting plates via movable plates. An adjusting plate is connected to the inner wall of the frame between the lead screw and the limiting rod, and wedge plates are symmetrically arranged below the inner wall of the frame.

[0011] Preferably, the friction ring is slidably disposed inside the movable seat via a connecting plate, the position of the bonding block corresponds to that of the wedge plate, and the front end of the bonding block and the middle part of the wedge plate are both inclined, and the bonding block is in contact with the inclined surface of the wedge plate.

[0012] Preferably, the top of the guide plate is semi-circular, the lower surfaces of both sides of the adjustment plate are raised blocks with inclined slopes, and the top of the guide plate is in contact with the inclined surface of the adjustment plate. Both ends of the movable plate are hinged to the bottom of the guide plate and the side of the connecting plate, respectively.

[0013] Preferably, the adjusting plate and the two wedge plates are slidably disposed on the inner wall of the frame, and both ends of the adjusting plate and the two wedge plates penetrate the interior of the frame, and the left side of the adjusting plate and the two wedge plates are fixedly connected to the right side of the connecting plate.

[0014] Preferably, the cooling range adjustment assembly includes a pinion gear, which is rotatably connected to the front end of the bottom of the support plate via a shaft, and a large gear is rotatably connected to the rear end of the bottom of the support plate via a shaft. The shaft ends of the pinion gear and the large gear are connected to the outer side of the rotating shaft via a bevel gear set. A first rack and a second rack are connected to the lower part of the inner wall of the frame.

[0015] Preferably, the tooth blocks on the first and second racks are intermittently staggered, and the first and second racks are meshed with the large gear and the small gear, respectively.

[0016] Preferably, both the first rack and the second rack are slidably disposed on the inner wall of the frame, and both ends of the first rack and the second rack penetrate the interior of the frame, and the left ends of the first rack and the second rack are fixedly connected to the right side of the connecting plate by bolts.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. This invention, through a resistance adjustment assembly consisting of a guide plate, an adjustment plate, a movable plate, a connecting plate, a friction ring, and a return spring, achieves dynamic adaptation of cutting resistance when cutting composite keel sections of different thicknesses: when cutting thicker sections, the friction ring moves away from the circular saw blade to reduce cutting resistance, avoiding saw jamming and blade dragging problems caused by excessive resistance; when cutting thinner sections, the friction ring moves closer to increase contact pressure, effectively suppressing high-frequency vibration of the circular saw blade, and solving defects such as wavy cuts and increased burrs caused by the hardness difference between the composite keel metal substrate and the composite layer. At the same time, multiple sets of balls embedded on the side of the friction ring convert sliding friction into rolling friction, preventing the circular saw blade from jamming while ensuring resistance adjustment accuracy, significantly improving the adaptability and operational stability of cutting composite keels of different thicknesses, and greatly reducing the product cut defect rate.

[0019] 2. This invention utilizes a cooling range adjustment assembly consisting of a first rack and a second rack with intermittently distributed tooth blocks, a bevel gear set, a torsion spring, and a nozzle. This assembly achieves adaptive linkage between cutting thickness and nozzle oscillation amplitude: When cutting thick sections, the nozzle oscillates back and forth over a wide range, fully covering the high-heat, dusty cutting area, quickly removing cutting heat, and efficiently capturing dust. This prevents the saw blade from softening at high temperatures and sticking to or carbonizing the substrate, while also reducing dust pollution. When cutting thin sections, the nozzle oscillates within a small range, precisely matching the operational requirements of low-heat, fine-dust conditions. This avoids wasting cutting fluid and preventing moisture-induced deformation of thin sections of the keel. This design not only improves the targeting and effectiveness of cooling and dust removal but also extends the service life of the circular saw blade, reduces cutting fluid consumption and waste liquid treatment costs, and meets the requirements of environmentally friendly production.

[0020] 3. In this invention, when cutting composite keels of different sizes, the connecting plate is driven to move horizontally by a cylinder, which in turn drives the adjusting plate, the two connecting plates, the first rack and the second rack to move. This makes the adaptive linkage mechanism of the resistance adjustment component and the cooling range adjustment component stable and effective, thereby meeting the high-efficiency cutting requirements of composite keels of different widths and thicknesses, and improving the compatibility and adaptability of the device to products of multiple specifications. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the connection structure between the liquid storage tank and the movable seat of the present invention;

[0023] Figure 3 This is a schematic diagram of the connection structure between the movable seat, the lead screw, and the limiting rod of the present invention;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the adjustment plate of the present invention;

[0025] Figure 5 This is a schematic diagram of the connection structure between the wedge plate, the adjusting plate, and the connecting plate of the present invention;

[0026] Figure 6 This is a schematic diagram of the main cross-sectional structure of the movable seat of the present invention;

[0027] Figure 7 This is a schematic diagram of the connection structure between the first and second racks and the connecting plate of the present invention;

[0028] Figure 8 This is a three-dimensional structural diagram of the guide plate, connecting plate, and friction plate of the present invention;

[0029] Figure 9 For the present invention Figure 4 Enlarged structural diagram at point A in the middle.

[0030] In the diagram: 1. Frame; 2. Conveying mechanism; 3. Circular saw blade; 4. Dust cover; 5. Rotating rod; 6. Lead screw; 7. Movable seat; 8. Limiting rod; 901. Friction ring; 902. Connecting plate; 903. Ball bearing; 904. Adhesive block; 905. Guide plate; 906. Movable plate; 907. Adjusting plate; 908. Wedge plate; 10. Support plate; 11. Nozzle; 12. Hose; 13. Cylinder; 14. Rotating shaft; 1501. Pinion; 1502. Bevel gear set; 1503. First rack; 1504. Large gear; 1505. Second rack; 16. Connecting plate; 17. Liquid storage tank. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Please see Figures 1-9 This invention provides a technical solution: a cutting device for composite keel forming production, comprising a frame 1, a conveying mechanism 2 mounted on the upper surface of the frame 1, and a dust cover 4 disposed above the inner wall of the frame 1. A second motor is bolted to the front of the dust cover 4, and a rotating rod 5 is fixedly connected to the output end of the second motor. A circular saw blade 3 is fixedly sleeved on the outer side of the rotating rod 5, and the circular saw blade 3 is rotatably connected to the inside of the dust cover 4 via the rotating rod 5. The device also includes a lead screw 6, which is bearing-connected to the upper inner wall of the frame 1. A first motor is bolted to the upper right side of the frame 1, and the right end of the lead screw 6 is fixedly connected to the output end of the first motor. A limit rod 8 is fixedly connected to the upper inner wall of the frame 1, and the limit rod 8 is sleeved on the outer side of the lead screw 6. The machine is equipped with a movable seat 7. The right end of the lead screw 6 passes through the outer surface of the frame 1. The movable seat 7 and the lead screw 6 are connected by a thread, and the movable seat 7 and the limit rod 8 are connected by a sliding connection. The bottom of the movable seat 7 is fixed to the top of the dust cover 4 by bolts. A support plate 10 is fixed to the left side of the movable seat 7. The bottom of the support plate 10 is rotatably connected to the nozzle 11 through a rotating shaft 14. A torsion spring is fixedly wound around the shaft end of the rotating shaft 14, and its other end is fixed to the bottom of the support plate 10. A liquid storage tank 17 is installed on the back of the movable seat 7. The liquid storage tank 17 is connected to the inside of the nozzle 11 through a hose 12. A cylinder 13 is fixedly installed on the upper left side of the frame 1 by bolts. A connecting plate 16 is fixedly connected to the telescopic end of the cylinder 13.

[0033] In one embodiment of the present invention, the composite keel to be cut is precisely conveyed to the preset cutting station below the frame 1 by the conveying mechanism 2. Then, the first motor starts and drives the lead screw 6 to rotate. Since the movable seat 7 is threadedly engaged with the lead screw 6, the rotational motion of the lead screw 6 is converted into the linear movement of the movable seat 7 along the preset direction, thereby driving the circular saw blade 3 mounted on the movable seat 7 to move synchronously. At the same time, the second motor drives the circular saw blade 3 to rotate at high speed through the rotating rod 5. The high-speed rotating circular saw blade 3 is used to perform continuous cutting operations on the composite keel. During the entire cutting process, the cutting fluid stored in the liquid storage tank 17 is delivered to the nozzle 11 through the hose 12, and then directed and uniformly sprayed by the nozzle 11. The spray is applied to the cutting contact area between the circular saw blade 3 and the composite keel, achieving real-time cooling and lubrication of the cutting area. This effectively reduces the cutting temperature, decreases cutting resistance, improves the flatness of the cut, and extends the service life of the circular saw blade 3. When cutting composite keels of different sizes, the cylinder 13 drives the connecting plate 16 to move horizontally, simultaneously moving the adjusting plate 907, the two connecting plates 16, the first rack 1503, and the second rack 1505. This ensures that the adaptive linkage mechanism of the resistance adjustment component and the cooling range adjustment component is stably effective, thereby meeting the high-efficiency cutting requirements of composite keels of different widths and thicknesses and improving the compatibility and adaptability of the device for multi-specification products.

[0034] The movable seat 7 is internally equipped with a resistance adjustment assembly, which includes two friction rings 901. The two friction rings 901 are symmetrically fitted around the center point of the circular saw blade 3 on the outside of the rotating rod 5. The opposing surfaces of the two friction rings 901 are equidistantly embedded with rolling balls 903. Connecting plates 902 are fixed to the opposite surfaces of the two friction rings 901, and each of the opposite surfaces of the two connecting plates 902 is provided with a contact block 904. A guide plate 905 is slidably connected to the interior of the movable seat 7 via a slider, and a return spring is installed between the end of the slider and the inner wall of the movable seat 7. The guide plate 905 and the two connecting plates 902 are connected via movable plates 906. An adjusting plate 907 is connected to the inner wall of the frame 1 between the lead screw 6 and the limiting rod 8, and wedge plates 908 are symmetrically arranged below the inner wall of the frame 1. The friction rings 901 are connected via the connecting plates 906. 02 is slidably disposed inside the movable seat 7. The position of the fitting block 904 corresponds to that of the wedge plate 908, and the front end of the fitting block 904 and the middle part of the wedge plate 908 are inclined. The fitting block 904 is in contact with the inclined surface of the wedge plate 908. The top of the guide plate 905 is semi-circular. The lower surfaces of both sides of the adjusting plate 907 are raised blocks with inclined slopes. The top of the guide plate 905 is in contact with the inclined surface of the adjusting plate 907. The two ends of the movable plate 906 are hinged to the bottom of the guide plate 905 and the side of the connecting plate 902, respectively. The adjusting plate 907 and the two wedge plates 908 are slidably disposed on the inner wall of the frame 1. The two ends of the adjusting plate 907 and the two wedge plates 908 penetrate the interior of the frame 1. The left side of the adjusting plate 907 and the two wedge plates 908 are fixedly connected to the right side of the connecting plate 16.

[0035] In one embodiment of the present invention, when the circular saw blade 3 moves to the thicker part of the composite keel, the guide plate 905 is pressed downward by the adjusting plate 907, causing the two movable plates 906 to rotate around the hinge point and push the connecting plate 902 to separate in the opposite direction. This causes the two sets of friction rings 901 to move away from the circular saw blade 3 simultaneously, effectively reducing the cutting resistance to meet the needs of thick material cutting. When the circular saw blade 3 cuts into the thinner part of the composite keel, thanks to the concave structure in the middle of the adjusting plate 907, the pressure on the guide plate 905 disappears, and it returns to its original position under the elastic force of the return spring. At this time, the adhesion on the connecting plate 902 is restored. Block 904 and wedge plate 908 form a pressing fit and generate lateral displacement, pushing the two sets of friction rings 901 closer together, increasing the contact pressure with the circular saw blade 3 to improve cutting resistance, avoiding the large hardness difference between the metal substrate and the composite layer of the composite keel, which can easily cause the circular saw blade 3 to generate high-frequency chatter during high-speed cutting, resulting in wavy cuts and increased burrs. At the same time, the multiple sets of ball bearings 903 embedded on the side of the friction ring 901 can convert sliding friction into rolling friction, which not only ensures the resistance adjustment effect, but also prevents the circular saw blade 3 from being stuck, significantly optimizing the cutting adaptability and operational stability of composite keels of different thicknesses.

[0036] A cooling range adjustment assembly is provided on the lower surface of the support plate 10. The cooling range adjustment assembly includes a pinion 1501, which is rotatably connected to the front end of the bottom of the support plate 10 via a shaft. A large gear 1504 is rotatably connected to the rear end of the bottom of the support plate 10 via a shaft. The shaft ends of the pinion 1501 and the large gear 1504 are connected to the outer side of the rotating shaft 14 via a bevel gear set 1502. A first rack 1503 and a second rack 1505 are connected to the lower part of the inner wall of the frame 1. The first rack 1503... The teeth on racks 503 and 1505 are intermittently staggered, and racks 1503 and 1505 are meshed with gears 1504 and 1501 respectively. Racks 1503 and 1505 are slidably mounted on the inner wall of frame 1, and both ends of racks 1503 and 1505 penetrate the interior of frame 1. The left ends of racks 1503 and 1505 are fixedly connected to the right side of connecting plate 16 by bolts.

[0037] In one embodiment of the present invention, when the circular saw blade 3 performs a moving cutting action, it can synchronously drive the nozzle 11 to move along with it. An adaptive oscillation adjustment mechanism is constructed by configuring the first rack 1503 and the second rack 1505 with intermittently distributed tooth blocks: when cutting the thicker part of the composite keel, the large gear 1504 meshes with the second rack 1505, while the small gear 1501 remains non-meshing with the first rack 1503. At this time, the large gear 1504 achieves intermittent rotation under the action of the intermittent tooth blocks of the second rack 1505, and drives the rotating shaft 14 to rotate through the bevel gear set 1502. Combined with the elastic reset effect of the torsion spring, this allows... The nozzle 11 completes a wide range of back-and-forth swinging to adapt to the cooling or dust removal requirements of cutting thick parts. When cutting thinner parts of the composite keel, the pinion 1501 meshes with the first rack 1503, while the large gear 1504 remains non-meshing with the second rack 1505. At this time, the pinion 1501 achieves intermittent rotation under the action of the intermittent tooth blocks of the first rack 1503. Similarly, it drives the rotating shaft 14 to rotate through the bevel gear set 1502. With the elastic constraint of the torsion spring, the nozzle 11 completes a small range of back-and-forth swinging, precisely matching the high-efficiency operation requirements of cutting thin parts, and realizing adaptive linkage adjustment between the cutting thickness and the swing amplitude of the nozzle 11.

[0038] Working Principle: When using this composite keel forming and production cutting device, the composite keel to be cut is first accurately conveyed to the designated cutting station below the frame 1 along a preset path by the conveying mechanism 2, ensuring that the cutting trajectory of the keel and the circular saw blade 3 are precisely aligned, providing a foundation for subsequent cutting accuracy. Then, the first motor starts and drives the lead screw 6 to rotate. Utilizing the threaded transmission between the lead screw 6 and the movable seat 7, the movable seat 7 and the circular saw blade 3 fixed on it move smoothly in a straight line along the cutting direction. On the other hand, the second motor synchronously drives the circular saw blade 3 to rotate at high speed, cutting by moving the blade. This system enables continuous and efficient cutting of composite keels. During the cutting process, the cutting fluid stored in the reservoir 17 is delivered to the nozzle 11 via the hose 12. The nozzle 11 then sprays the fluid precisely and directionally onto the cutting contact area between the circular saw blade 3 and the composite keel. This reduces the temperature of the cutting area, prevents deformation of the keel material due to high temperatures, and reduces frictional wear between the saw blade and the keel, improving the smoothness of the cut and extending the service life of the circular saw blade 3. Then, the cylinder 13 drives the linkage components to activate an adaptive resistance adjustment mechanism for different specifications of composite keels: when cutting thicker keels, the guide plate... The friction ring 901 is displaced by the pressure of the keel, causing it to move away from the circular saw blade 3, reducing the rotational resistance of the circular saw blade 3 and ensuring sufficient cutting power. When cutting thin-sized keels, the return spring releases its elastic potential energy, causing the friction ring 901 to return to its original position closer to the circular saw blade 3, increasing the rotational damping of the saw blade and effectively suppressing chatter during thin material cutting. Simultaneously, the ball bearings 903 on the inner side of the friction ring 901 convert the sliding friction between the friction ring 901 and the circular saw blade 3 into rolling friction, ensuring effective resistance adjustment while preventing the circular saw blade 3 from slipping due to excessive frictional resistance. In the event of a clamping failure, the cooling system is then adjusted adaptively based on the keel specifications to achieve precise matching: when cutting thick keels, the linkage mechanism drives the large gear 1504 to mesh with the first rack 1503, driving the nozzle 11 to swing over a wide range, expanding the coverage of the cutting fluid spray and meeting the high-intensity cooling requirements of thick material cutting; when cutting thin keels, the linkage mechanism switches to the small gear 1501 to mesh with the second rack 1505, driving the nozzle 11 to swing over a small range, focusing on the cutting contact point to achieve precise spraying, ensuring the cooling effect while avoiding cutting fluid waste.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cutting device for composite keel forming production, comprising a frame (1), wherein a conveying mechanism (2) is installed on the upper surface of the frame (1), and a dust cover (4) is provided above the inner wall of the frame (1), wherein a second motor is bolted to the front of the dust cover (4), and a rotating rod (5) is fixedly connected to the output end of the second motor, wherein a circular saw blade (3) is sleeved and fixed on the outer side of the rotating rod (5), and the circular saw blade (3) is rotatably connected to the inside of the dust cover (4) through the rotating rod (5); Its features are: It also includes a lead screw (6), which is bearing-connected to the upper part of the inner wall of the frame (1), and a first motor is bolted to the upper right side of the frame (1). The right end of the lead screw (6) is fixedly connected to the output end of the first motor. A limit rod (8) is fixedly connected to the upper part of the inner wall of the frame (1), and a movable seat (7) is sleeved on the outer side of the limit rod (8) and the lead screw (6). A resistance adjustment component is provided inside the movable seat (7), and a support plate is fixed to the left side of the movable seat (7). (10), and the bottom of the support plate (10) is rotatably connected to the nozzle (11) via the rotating shaft (14). The back of the movable seat (7) is equipped with a liquid storage tank (17), and the liquid storage tank (17) is connected to the inside of the nozzle (11) via a hose (12). The lower surface of the support plate (10) is provided with a cooling range adjustment component. The upper left side of the frame (1) is fixedly installed with a cylinder (13) by bolts, and the telescopic end of the cylinder (13) is fixedly connected to a connecting plate (16). The resistance adjustment assembly includes two friction rings (901). The two friction rings (901) are symmetrically sleeved on the outside of the rotating rod (5) about the center point of the circular saw blade (3). The opposing surfaces of the two friction rings (901) are equally angled and connected with rolling balls (903). The opposite surfaces of the two friction rings (901) are fixed with connecting plates (902). The opposite surfaces of the two connecting plates (902) are provided with fitting blocks (904). The interior of the movable seat (7) is slidably connected with a guide plate (905) through a slider. A return spring is installed between the end of the slider and the inner wall of the movable seat (7). The guide plate (905) and the two connecting plates (902) are connected through movable plates (906). The inner wall of the frame (1) is connected between the lead screw (6) and the limiting rod (8) with an adjustment plate (907). The lower part of the inner wall of the frame (1) is symmetrically provided with wedge plates (908). The cooling range adjustment assembly includes a pinion (1501), which is rotatably connected to the front end of the bottom of the support plate (10) via a shaft, and a large gear (1504) is rotatably connected to the rear end of the bottom of the support plate (10) via a shaft. The shaft ends of the pinion (1501) and the large gear (1504) are connected to the outer side of the rotating shaft (14) via a bevel gear set (1502). A first rack (1503) and a second rack (1505) are connected to the lower part of the inner wall of the frame (1).

2. The cutting device for composite keel forming production according to claim 1, characterized in that: The right end of the lead screw (6) penetrates the outer surface of the frame (1). The movable seat (7) is threaded to the lead screw (6), and the movable seat (7) is slidably connected to the limit rod (8). The bottom of the movable seat (7) is fixedly connected to the top of the dust cover (4) by bolts.

3. The cutting device for composite keel forming production according to claim 1, characterized in that: The rotating shaft (14) has a torsion spring wound around one end, and the other end is fixed to the bottom of the support plate (10).

4. The cutting device for composite keel forming production according to claim 1, characterized in that: The friction ring (901) is slidably disposed inside the movable seat (7) via the connecting plate (902). The position of the bonding block (904) corresponds to that of the wedge plate (908), and the front end of the bonding block (904) and the middle part of the wedge plate (908) are both inclined, and the bonding block (904) is in contact with the inclined surface of the wedge plate (908).

5. The cutting device for composite keel forming production according to claim 1, characterized in that: The top of the guide plate (905) is semi-circular, the lower surfaces of both sides of the adjustment plate (907) are raised blocks with inclined slopes, and the top of the guide plate (905) is in contact with the inclined surface of the adjustment plate (907). The two ends of the movable plate (906) are hinged to the bottom of the guide plate (905) and the side of the connecting plate (902), respectively.

6. The cutting device for composite keel forming production according to claim 1, characterized in that: The adjusting plate (907) and the two wedge plates (908) are slidably disposed on the inner wall of the frame (1), and both ends of the adjusting plate (907) and the two wedge plates (908) penetrate the interior of the frame (1). The left side of the adjusting plate (907) and the two wedge plates (908) are fixedly connected to the right side of the connecting plate (16).

7. The cutting device for composite keel forming production according to claim 1, characterized in that: The tooth blocks on the first rack (1503) and the second rack (1505) are intermittently staggered, and the first rack (1503) and the second rack (1505) are meshed with the large gear (1504) and the small gear (1501) respectively.

8. The cutting device for composite keel forming production according to claim 1, characterized in that: The first rack (1503) and the second rack (1505) are both slidably disposed on the inner wall of the frame (1), and both ends of the first rack (1503) and the second rack (1505) penetrate the interior of the frame (1). The left ends of the first rack (1503) and the second rack (1505) are fixedly connected to the right side of the connecting plate (16) by bolts.

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