Reciprocating profile cutting device and cutting method

Abstract

The present application provides a reciprocating profile cutting device and a cutting method, which relates to the technical field of petroleum processing equipment, including a mounting frame, one side of the mounting frame is rotatably connected with a flap, and the flap is arranged on a side close to the cutting mechanism, the flap is arranged in a bucket shape, and a partition for moving one end of the profile upward is slidably connected to the flap horizontally, and a clamping block is slidably connected to the cutting platform, and a mounting plate is fixedly connected to the upper position of the clamping block, and a driving cylinder is fixedly connected to the mounting plate, and a clamping baffle for abutting against the upper wall of the profile is fixedly connected to the output shaft of the driving cylinder. The present application can clean the cutting material on the cutting platform, reduce the scratches on the outer wall of the profile caused by the cutting material, and can clean the cutting material remaining inside the cutting platform.

Description

Technical Field

[0001] The present application relates to the technical field of petroleum processing equipment, and in particular to a reciprocating profile cutting device and a cutting method. Background Art

[0002] In the process of building oil processing equipment, in order to ensure the stability and safety of the equipment, profiles with light weight and moderate strength are usually selected as the support and installation framework. The selection of these profiles can not only reduce the weight of the overall equipment, facilitate transportation and installation, but also ensure the stability of the equipment during operation. Due to the complex structure of oil processing equipment, each part has different requirements for the specifications of the supporting profiles. Therefore, during the support and installation process, a variety of profiles with different specifications need to be used.

[0003] In order to meet these diverse needs, construction workers need to accurately cut profiles to adapt to different installation scenarios. In this process, using cutting devices to cut profiles has become a necessary means to improve work efficiency. The use of cutting devices can not only greatly speed up the cutting of profiles, but also ensure the flatness and accuracy of the cutting surface, reduce errors in the construction process, and thus improve the overall quality and service life of oil processing equipment.

[0004] Referring to the Chinese patent application document with publication number CN116945283A, entitled Auxiliary device for reciprocating cutting tool and application method thereof, the device assists in the cutting accuracy and product quality of the workpiece and realizes intelligent management of the equipment by using a monitoring system and detection equipment during the placement and cutting process of the workpiece.

[0005] According to the above technical solution, after the profile is cut, the staff is required to take the cut profile. During this process, the cutting equipment is still in operation, and the profile is easily bumped into the staff when it is pushed forward, posing a great safety hazard. In addition, during the cutting of the metal profile, the cut chips will splash into the internal space of the metal profile, making it difficult to clean the profile. At the same time, the metal debris on the cutting table cannot be cleaned in time. As the profile moves, the metal debris is easy to scratch the outer surface of the profile, causing scratches on the profile. Summary of the invention

[0006] In view of this, the present application provides a reciprocating profile cutting device and a cutting method, which aim to solve the problem that cutting debris is difficult to clean when cutting profiles.

[0007] In the first aspect, the present application provides a reciprocating profile cutting device adopting the following technical solution:

[0008] A reciprocating profile cutting device provided in the present application adopts the following technical scheme, comprising a mounting frame, a cutting platform arranged on the mounting frame and a cutting mechanism arranged on the mounting frame; a flap is rotatably connected to one side of the mounting frame, and the flap is arranged on a side close to the cutting mechanism, the flap is arranged in a bucket shape, a partition for moving one end of the profile upward is laterally slidably connected to the flap, a clamping block is slidably connected to the cutting platform, a mounting plate is fixedly connected to the upper position of the clamping block, a driving cylinder is fixedly connected to the mounting plate, and a clamping baffle for abutting against the upper wall of the profile is fixedly connected to the output shaft of the driving cylinder.

[0009] By clamping the profile, the movement of the profile during cutting is reduced. By collecting the cut profile and cutting materials in layers, the scratches or dents on the profile surface caused by the cutting materials are reduced, thereby reducing the occurrence of situations that affect the appearance and quality of the profile. At the same time, the secondary processing of the profile can be reduced, reducing the workload of the staff.

[0010] Optionally, a reset cylinder for pushing the flap to reset is fixedly connected to the mounting frame, and a reset block is fixedly connected to the output shaft of the reset cylinder, and the reset block can abut against the flap.

[0011] Optionally, a moving motor is fixedly connected to the flap, an adjusting screw is fixedly connected to the output shaft of the moving motor, a sliding block is threadedly connected to the adjusting screw, a blowing block is rotatably connected to the sliding block, a swing motor is fixedly connected to the sliding block, and the swing motor is used to drive the blowing block to swing.

[0012] The air blowing block is used to blow the remaining cutting materials inside the profile so that the cutting materials inside the profile are discharged, thereby improving the overall cleanliness of the profile, enhancing the overall quality of the profile, and reducing defects caused by internal residues.

[0013] Optionally, an abutment block is fixedly connected to the mounting frame, and an abutment push rod is slidably connected to the side of the flap close to the abutment block. An abutment push rod is sleeved with an abutment spring. When the flap moves downward, the abutment block pushes the abutment push rod to move, and one end of the abutment push rod away from the abutment block is fixedly connected to the partition.

[0014] By slowly moving the flap downward, the impact on the profile caused by the direct downward movement of the flap can be reduced, thereby enhancing the overall quality of the profile.

[0015] Optionally, an air regulating plate is fixedly connected to the flap, and the air regulating plate is arranged at the connection between the flap and the mounting frame. When the flap rotates, the opening on the air regulating plate corresponds to the cutting platform, and an air duct is provided on the flap for connecting to the opening of the air regulating plate.

[0016] By blowing off the remaining cutting materials on the surface of the cutting platform, the impact of the remaining cutting materials on the outer wall of the profile during the movement of the profile is reduced, the overall cleanliness of the profile is enhanced, and at the same time, the secondary processing of the profile caused by external bumps is reduced, thereby improving production efficiency.

[0017] Optionally, the cutting mechanism includes: an adjusting motor fixedly connected to the mounting frame, a reciprocating screw rod fixedly connected to the output shaft of the adjusting motor, a movable plate threadedly connected to the reciprocating screw rod, a cutting motor fixedly connected to the movable plate, a cutting blade fixedly connected to the output shaft of the cutting motor, and the cutting blade plate is used to cut the profile.

[0018] Optionally, a driving motor is fixedly connected to the mounting frame, a moving screw is fixedly connected to the output shaft of the driving motor, and the moving screw and the clamping block are connected by threads.

[0019] By driving the clamping block to move to a certain extent, the cutting platform can cut profiles of different lengths, thereby increasing the practicality of the cutting equipment.

[0020] In a second aspect, the present application provides a reciprocating profile cutting method, wherein the cutting method is:

[0021] S1, placing the profile to be cut on the cutting platform, starting the driving cylinder, moving the output shaft of the driving cylinder downward, clamping the baffle plate and the mounting plate to clamp the profile, starting the driving motor, and making the moving screw drive the clamping block to move toward the cutting mechanism;

[0022] S2, start the cutting motor to make the cutting blade cut the profile, and in this process adjust the motor to drive the moving plate to move, so that the cutting blade cuts multiple profiles, and after cutting, start the reset cylinder to shrink the output shaft of the reset cylinder, drive the reset block to shrink, and in this process, the flap lacks support, so that the profile after cutting is turned over;

[0023] S3, the cut material cut off after flipping moves to the concave position of the flap through the gap between the partition and the profile, and the abutment block contacts the abutment push rod during the rotation of the flap, pushing the partition to move, so that the cut material at the contact position between the partition and the profile falls into the flap;

[0024] S4, when the output shaft of the reset cylinder is completely retracted, the air regulating plate on the flap is located above the cutting platform, and gas is introduced into the air duct so that the gas is blown from the opening where the regulating plate and the flap are connected to the cutting platform to clean the cut material.

[0025] By removing the residual cutting materials inside the profile, the overall cleanliness of the profile can be improved. If there are residual cutting materials inside the profile, the residual cutting materials may cause corrosion inside the profile. At the same time, cleaning the internal cutting materials can improve the overall quality of the profile and reduce defects caused by internal residues.

[0026] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0027] 1. By clamping the profile, the movement of the profile during cutting is reduced. At the same time, by collecting the cut profile and cutting materials in layers, the scratches or dents on the profile surface caused by the cutting materials are reduced, thereby reducing the occurrence of situations that affect the appearance and quality of the profile. At the same time, the secondary processing of the profile can be reduced, reducing the workload of the staff.

[0028] 2. The air blowing block is used to blow the remaining cutting materials inside the profile to discharge the cutting materials inside the profile, thereby improving the overall cleanliness of the profile, enhancing the overall quality of the profile, and reducing defects caused by internal residues.

[0029] 3. By blowing off the remaining cutting materials on the surface of the cutting platform, the impact of the remaining cutting materials on the outer wall of the profile during the movement of the profile is reduced, the overall cleanliness of the profile is enhanced, and at the same time, the secondary processing of the profile caused by external bumps is reduced, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic structural diagram of a reciprocating profile cutting device according to this embodiment;

[0031] Figure 2 This is a schematic structural diagram of the abutment stopper and the abutment push rod of this embodiment;

[0032] Figure 3 This is a schematic diagram of the structure of the driving motor and the moving lead screw in this embodiment;

[0033] Figure 4 This is a schematic diagram of the structure of the adjusting motor and the reciprocating screw rod in this embodiment;

[0034] Figure 5 This is a schematic diagram of the structure of the reset cylinder and the reset block of this embodiment;

[0035] Figure 6 This is a schematic diagram of the structure of the air blowing block and the swing motor of this embodiment;

[0036] Figure 7 For this embodiment Figure 6 A partial enlarged view of area A in the middle.

[0037] Explanation of the accompanying drawings: 1. Mounting frame; 11. Cutting platform; 2. Cutting mechanism; 3. Flap; 31. Partition; 32. Clamping block; 33. Mounting plate; 34. Driving cylinder; 35. Clamping baffle; 4. Reset cylinder; 41. Reset block; 5. Moving motor; 51. Adjusting screw; 52. Sliding block; 53. Blowing block; 54. Swinging motor; 6. Abutment block; 61. Abutment push rod; 62. Abutment spring; 7. Air regulating plate; 71. Air duct; 8. Adjusting motor; 81. Reciprocating screw; 82. Moving plate; 83. Cutting motor; 84. Cutting blade; 9. Driving motor; 91. Moving screw. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the embodiments of the present application. Figure 1-Figure 7 , the technical scheme of the embodiment of the present application is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the present application, not all of the embodiments. Based on the described embodiment of the present application, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of this application.

[0039] In the first aspect, the present application provides a reciprocating profile cutting device adopting the following technical solution:

[0040] like Figure 1 As shown, this embodiment provides a reciprocating profile cutting device, including a mounting frame 1, a cutting mechanism 2, a clamping mechanism, a collecting mechanism and a resetting mechanism. The profile to be cut is placed on the mounting frame 1, and the clamping mechanism clamps the profile. The clamped profile is moved to the length to be cut under the drive of the clamping mechanism, and the profile is cut under the cutting of the cutting mechanism 2. After cutting, the profile falls into the collecting mechanism, and the cut materials during cutting are collected in the collecting mechanism. The resetting mechanism pushes the collecting mechanism to reset, thereby completing the collection of the profile.

[0041] like Figure 1 and Figure 3As shown, the clamping mechanism includes a driving motor 9, an adjusting screw 51, a clamping block 32, a mounting plate 33, a driving cylinder 34 and a clamping baffle 35. The driving motor 9 is fixedly connected to the mounting frame 1. The upper wall of the mounting frame 1 is set as a cutting platform 11. The output shaft of the driving motor 9 extends to the cutting platform 11. The adjusting screw 51 is fixedly connected to the output shaft of the driving motor 9 and is set above the cutting platform 11. The clamping block 32 is set on the cutting platform 11 and is threadedly connected to the adjusting screw 51. The clamping block 32 is fixedly connected to the mounting plate 33, and the mounting plate 33 is set in an inverted L shape. The driving cylinder 34 is fixedly connected to the mounting plate 33, and the output shaft of the driving cylinder 34 penetrates the mounting plate 33. The clamping baffle 35 is fixedly connected to the output shaft of the driving cylinder 34. The profile is placed on the cutting platform 11 , and the driving cylinder 34 is started, so that the clamping baffle 35 and the mounting plate 33 on the driving cylinder 34 respectively abut against the upper surface and the lower surface of the profile, and move toward the cutting mechanism 2 under the drive of the driving motor 9 .

[0042] like Figure 4 As shown, the cutting mechanism 2 includes an adjusting motor 8, a reciprocating screw rod 81, a moving plate 82, a cutting motor 83 and a cutting blade 84. The adjusting motor 8 is fixedly connected to the mounting frame 1 and is arranged below the cutting platform 11. The reciprocating screw rod 81 is fixedly connected to the output shaft of the adjusting motor 8. The moving plate 82 is connected to the reciprocating screw rod 81 by threads. The cutting motor 83 is fixedly connected to the moving plate 82. The cutting blade 84 is fixedly connected to the output shaft of the cutting motor 83, and the cutting blade 84 penetrates the cutting platform 11. The cutting blade 84 is driven to move in the horizontal position by the adjusting motor 8, and the cutting motor 83 is started in the process, so that the cutting motor 83 drives the cutting blade 84 to rotate, and the profile is cut.

[0043] like Figure 1 , Figure 2 and Figure 6As shown, the collecting mechanism includes a flap 3, a partition 31, a moving motor 5, a moving screw 91, a sliding block 52, a blowing block 53 and a swing motor 54. The flap 3 is rotatably connected to the mounting frame 1 in a bucket shape. The recessed portion of the flap 3 is arranged on the side away from the connection between the flap 3 and the mounting frame 1. The partition 31 is slidably connected to the flap 3 in a transverse direction, and a plurality of partitions 31 are provided. The spacing between the plurality of partitions 31 is less than the width of the profile. The moving motor 5 is fixedly connected to the flap 3, the moving screw 91 is fixedly connected to the output shaft of the moving motor 5, the sliding block 52 is threadedly connected to the moving screw 91, and the blowing block 53 is rotatably connected to the sliding block 52. The swing motor 54 is fixedly connected to the blowing block 53, and the swing motor 54 can drive the blowing block 53 to rotate. After the profile is cut, the flap 3 rotates to make the profile and the cut materials fall into the flap 3. Since the interval between the partitions 31 is smaller than the profile, the cut materials fall into the recessed part of the flap 3 through the interval between the partitions 31. After flipping, according to the length of the profile, the sliding block 52 is controlled to move to the cutting part of the profile, and ventilation is provided to the blowing block 53, so that the blowing block 53 blows out the cut materials inside the profile. In this process, the blowing angle of the blowing block 53 can be controlled by the swing motor 54.

[0044] like Figure 5 As shown, the reset mechanism includes a reset cylinder 4 and a reset block 41. The reset cylinder 4 is fixedly connected to the mounting frame 1 and is arranged below the cutting platform 11. The reset block 41 is fixedly connected to the output shaft of the reset cylinder 4, and the reset block 41 abuts against the lower wall of the flap 3 when the flap 3 is not rotated. When the flap 3 receives the cut profile above, the output shaft of the reset cylinder 4 contracts, driving the flap 3 to rotate.

[0045] like Figure 6 and Figure 7 As shown, an air regulating plate 7 is fixedly connected to the flap 3, and the air regulating plate 7 is arranged at the connection between the flap 3 and the mounting frame 1. An opening is arranged at the connection between the air regulating plate 7 and the flap 3, and an air duct 71 is opened inside the flap 3. When the flap 3 is flipped to the lowest position, gas is introduced into the air duct 71, so that the gas is blown onto the cutting platform 11 through the air duct 71, so as to clean the residual cutting materials on the cutting platform 11.

[0046] like Figure 2As shown, an abutment block 6 is fixedly connected to the mounting frame 1, and the abutment block 6 is tilted. An abutment push rod 61 is slidably connected to the side of the flap 3 close to the abutment block 6. An abutment spring 62 is sleeved on the abutment push rod 61. One end of the abutment spring 62 is fixedly connected to the abutment push rod 61, and the end of the abutment spring 62 away from the abutment push rod 61 is fixedly connected to the flap 3. In the process of the flap 3 rotating and moving downward, the abutment push rod 61 abuts against the abutment block 6, pushing the abutment push rod 61 to move toward the side close to the flap 3, and pushing the partition 31 located on the inner side of the flap 3 to move, so that the profile located above the partition 31 is pushed to one side.

[0047] In the present application, the profile to be cut is placed on the cutting platform 11, the driving cylinder 34 is started, the output shaft of the driving cylinder 34 is moved downward, the clamping baffle 35 and the mounting plate 33 are clamped to clamp the profile, and the driving motor 9 is started so that the moving screw 91 drives the clamping block 32 to move toward the cutting mechanism 2.

[0048] Start the cutting motor 83 to make the cutting blade 84 cut the profile, and in this process adjust the motor 8 to drive the moving plate 82 to move, so that the cutting blade 84 cuts multiple profiles. After cutting, start the reset cylinder 4 to shrink the output shaft of the reset cylinder 4, driving the reset block 41 to shrink. In this process, the flap 3 lacks support, driving the cut profile to flip.

[0049] After flipping, the cut material moves through the gap between the partition 31 and the profile to the concave position of the flap 3. During the rotation of the flap 3, the abutment block 6 contacts the abutment push rod 61, pushing the partition 31 to move, so that the cut material at the contact position between the partition 31 and the profile falls into the flap 3.

[0050] When the output shaft of the reset cylinder 4 is completely retracted, the air regulating plate 7 on the flap 3 is located above the cutting platform 11, and gas is introduced into the air duct 71, so that the gas is blown from the opening where the regulating plate and the flap 3 are connected to the cutting platform 11 to clean the cut material.

[0051] In this embodiment, the profile is clamped by a clamping mechanism, which can reduce the deviation of the profile during the cutting process, thereby improving the cutting accuracy. At the same time, stable clamping can reduce the vibration of the profile during cutting, reduce the roughness of the cutting surface or the large amount of burrs caused by vibration, and ensure the quality of the cutting surface to a certain extent.

[0052] In this embodiment, by separating the cut profile and the cutting material, the scratches or dents on the surface of the profile caused by the cutting material can be reduced, thereby avoiding affecting the appearance and quality of the profile. Collecting the cutting material can maintain the smoothness of the profile surface and reduce the secondary processing of the profile. The scratches on the cutting material may require additional grinding or polishing to repair, which not only increases the processing steps, but may also cause deviations in the profile size.

[0053] In this embodiment, by removing the residual cutting materials inside the profile, the overall cleanliness of the profile can be improved. If there are residual cutting materials inside the profile, the residual cutting materials may cause corrosion inside the profile. At the same time, cleaning the internal cutting materials can improve the overall quality of the profile and reduce defects caused by internal residues.

[0054] In this embodiment, by pushing the profiles in the flap 3 to move, the profile collision caused by the failure to collect the cut profiles in time can be reduced, the scratches, deformation or other damage caused by the collision between the profiles can be reduced, and the surface defects caused by the collision can be reduced.

[0055] The implementation principle of a reciprocating profile cutting device in the embodiment of the present application is: place the profile to be cut on the cutting platform 11, start the driving cylinder 34, move the output shaft of the driving cylinder 34 downward, clamp the baffle 35 and the mounting plate 33 to clamp the profile, start the driving motor 9, and make the moving screw 91 drive the clamping block 32 to move toward the cutting mechanism 2.

[0056] Start the cutting motor 83 to make the cutting blade 84 cut the profile, and in this process adjust the motor 8 to drive the moving plate 82 to move, so that the cutting blade 84 cuts multiple profiles. After cutting, start the reset cylinder 4 to shrink the output shaft of the reset cylinder 4, driving the reset block 41 to shrink. In this process, the flap 3 lacks support, driving the cut profile to flip.

[0057] After flipping, the cut material moves through the gap between the partition 31 and the profile to the concave position of the flap 3. During the rotation of the flap 3, the abutment block 6 contacts the abutment push rod 61, pushing the partition 31 to move, so that the cut material at the contact position between the partition 31 and the profile falls into the flap 3.

[0058] When the output shaft of the reset cylinder 4 is completely retracted, the air regulating plate 7 on the flap 3 is located above the cutting platform 11, and gas is introduced into the air duct 71, so that the gas is blown from the opening where the regulating plate and the flap 3 are connected to the cutting platform 11 to clean the cut material.

[0059] In a second aspect, the present application provides a reciprocating profile cutting method, wherein the cutting method is:

[0060] S1, place the profile to be cut on the cutting platform 11, start the driving cylinder 34, move the output shaft of the driving cylinder 34 downward, clamp the baffle 35 and the mounting plate 33 to clamp the profile, start the driving motor 9, and make the moving screw 91 drive the clamping block 32 to move toward the cutting mechanism 2;

[0061] S2, start the cutting motor 83, so that the cutting blade 84 cuts the profile, and in this process, adjust the motor 8 to drive the moving plate 82 to move, so that the cutting blade 84 cuts multiple profiles, and after cutting, start the reset cylinder 4, so that the output shaft of the reset cylinder 4 contracts, driving the reset block 41 to contract, and in this process, the flap 3 lacks support, driving the cut profile to flip;

[0062] S3, the cut material cut off after flipping moves to the concave position of the flap 3 through the gap between the partition 31 and the profile. During the rotation of the flap 3, the abutment block 6 contacts the abutment push rod 61, pushing the partition 31 to move, so that the cut material at the contact position between the partition 31 and the profile falls into the flap 3;

[0063] S4, when the output shaft of the reset cylinder 4 is completely retracted, the air regulating plate 7 on the flap 3 is located above the cutting platform 11, and gas is introduced into the air duct 71, so that the gas is blown from the opening where the regulating plate and the flap 3 are connected to the cutting platform 11 to clean the cut material.

[0064] In addition, it should be noted that in the description of this application, 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 those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0065] The above is a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A reciprocating profile cutting device, comprising a mounting frame and a cutting platform and a cutting mechanism arranged above the mounting frame, characterized in that: A flap is rotatably connected to one side of the upper end of the mounting frame, and the flap is arranged on a side close to the cutting mechanism, the flap is arranged in a bucket shape, a partition for lifting one end of the profile is slidably connected to the flap transversely, a clamping block is slidably connected to the cutting platform, the upper end of the clamping block is fixedly connected to a mounting plate, a driving cylinder is fixedly connected to the mounting plate, and a clamping baffle for abutting against the upper wall of the profile is fixedly connected to the output shaft of the driving cylinder; A reset cylinder for pushing the flap to reset is fixedly connected to the mounting frame, and a reset block is fixedly connected to the output shaft of the reset cylinder, and the reset block can abut against the flap; An abutment block is fixedly connected to the mounting frame, and an abutment push rod is slidably connected to a side of the flap close to the abutment block, an abutment spring is sleeved on the abutment push rod, and one end of the abutment push rod away from the abutment block is fixedly connected to the partition; The flap is fixedly connected with an air regulating plate, the air regulating plate is fixedly connected to the connection between the flap and the mounting frame, and the flap is provided with an air duct for connecting with the opening of the air regulating plate; The cutting mechanism includes an adjusting motor fixedly connected to a mounting frame, a reciprocating screw rod fixedly connected to the output shaft of the adjusting motor, a movable plate threadedly connected to the reciprocating screw rod, a cutting motor fixedly connected to the movable plate, and a cutting blade fixedly connected to the output shaft of the cutting motor, wherein the cutting blade is used to cut the profile.

2. A reciprocating profile cutting device according to claim 1, characterized in that: A moving motor is fixedly connected to the flap, an adjusting screw is fixedly connected to the output shaft of the moving motor, a sliding block is threadedly connected to the adjusting screw, a blowing block is rotatably connected to the sliding block, a swing motor is fixedly connected to the sliding block, and the swing motor is used to drive the blowing block to swing.

3. A reciprocating profile cutting device according to claim 1, characterized in that: The mounting frame is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with a moving screw rod, and the moving screw rod and the clamping block are connected via threads.

4. A composite profile cutting method, applied to a reciprocating profile cutting device as claimed in claim 3, characterized in that: S1, placing the profile to be cut on the cutting platform, starting the driving cylinder, moving the output shaft of the driving cylinder downward, clamping the baffle plate and the mounting plate to clamp the profile, starting the driving motor, and making the moving screw drive the clamping block to move toward the cutting mechanism; S2, start the cutting motor to make the cutting blade cut the profile, and in this process adjust the motor to drive the moving plate to move, so that the cutting blade cuts multiple profiles, and after cutting, start the reset cylinder to shrink the output shaft of the reset cylinder, drive the reset block to shrink, and in this process, the flap lacks support, so that the profile after cutting is turned over; S3, the cut material cut off after flipping moves to the concave position of the flap through the gap between the partition and the profile, and the abutment block contacts the abutment push rod during the rotation of the flap, pushing the partition to move, so that the cut material at the contact position between the partition and the profile falls into the flap; S4, when the output shaft of the reset cylinder is completely retracted, the air regulating plate on the flap is located above the cutting platform, and gas is introduced into the air duct so that the gas is blown from the opening where the regulating plate and the flap are connected to the cutting platform to clean the cut material.

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