Profile Laser Device for Improving Machining Precision and Its Machining Method

Abstract

The present application relates to a profile laser device for improving processing accuracy and its processing method, belonging to the technical field of laser devices. The laser device includes a machine body and a cutting mechanism arranged on the machine body. The laser device further includes a limiting mechanism, and the limiting mechanism includes a plurality of abutting parts, a supporting part, a driving part and a suction part; a plurality of preset channels are arranged on the machine body, and an assembly channel is further arranged on the machine body; the driving part is arranged inside the side wall of the assembly channel, the supporting part is connected with the driving part, the suction part includes a suction member and a plurality of suction pipes, the suction member is arranged inside the side wall of the assembly channel, one end of all the suction pipes is connected with the suction member, and the other end of each suction pipe is arranged on the abutting part; the processing method includes: positioning of large-size profiles, positioning of small-size profiles and processing of profiles. The present application has the effect of improving the processing accuracy of the laser device for profiles.

Description

Technical Field

[0001] The present application relates to the technical field of laser devices, and in particular to a profile laser device and a processing method thereof for improving processing accuracy. Background Art

[0002] Profile laser device is a device that cuts profiles by laser. Compared with traditional profile cutting devices, laser cutting has the advantage of higher processing efficiency, so it is widely used in the processing and production of profiles.

[0003] Most existing profile laser cutting devices include a machine body and a cutting device. The cutting device is a laser probe with a mounting frame, which is movably arranged on the machine body, and the laser probe is arranged on the mounting frame. The operator places the profile to be cut on the machine body, and the mounting frame moves along the length or width direction of the machine body, so that the laser probe cuts the profile from different angles.

[0004] However, the contact area between the special-shaped profile and the machine body is limited. When the laser probe processes this type of special-shaped profile, it is very easy for the special-shaped profile to become loose or deviate relative to the machine body, which greatly affects the processing accuracy of the equipment for the profile. Summary of the invention

[0005] In order to improve the problem of low processing accuracy of special-shaped profiles by laser devices, the present application provides a profile laser device and a processing method thereof that improves processing accuracy.

[0006] In the first aspect, the present application provides a profile laser device for improving processing accuracy using the following technical solutions:

[0007] A profile laser device for improving processing accuracy comprises a body and a cutting mechanism arranged on the body, the laser device also comprises a limiting mechanism, the limiting mechanism comprises a plurality of abutting parts, a supporting part, a driving part and a suction part; a plurality of preset channels are arranged on the body, and an assembly channel communicating with all the preset channels is also arranged on the body; the driving part is arranged in the side wall of the assembly channel, one of the abutting parts is correspondingly arranged in the side wall of a preset channel, the supporting part is connected to the driving part, so as to support the abutting part located in the preset channel; the suction part comprises a suction piece and a plurality of suction pipes, the suction piece is arranged in the side wall of the assembly channel, one end of all the suction pipes is connected to the suction piece, and the other end of each suction pipe is arranged on the abutting part, so that the profile abutting against the abutting part is positioned on the body.

[0008] By adopting the above technical solution, a large-sized profile is placed on the machine body, and the suction piece sucks the air at the point where the resistance part and the profile are in contact through the suction pipe, so that a negative pressure space is formed at the point where the profile and the resistance part are in contact, and the profile is more stably adsorbed on the resistance part to ensure the position stability of the profile on the machine body, reduce the looseness and deviation of the profile during the cutting process, and help improve the processing accuracy of the laser device on the profile; the driving part can push the supporting part and the resistance part to move in the vertical direction, so that the two adjacent resistance parts can clamp the profile together above the machine body, so that the small-sized profile can be positioned on the machine body, which helps to ensure the processing accuracy of the laser device on the small-sized profile.

[0009] In a specific feasible implementation scheme, the interference portion includes a top connecting strip and a locking block, and the locking block is arranged on the top connecting strip; the supporting portion includes a supporting plate and a plurality of side connecting plates, all of the side connecting plates are arranged on the supporting plate, and a clamping area is formed between two adjacent side connecting plates; the driving portion includes a driving cylinder, and the driving cylinder is arranged in the side wall of the assembly channel; the support plate is arranged on the output end of the driving cylinder, and the two side connecting plates forming the clamping area are located in the same preset channel; the top connecting strip is located in the side wall of the preset channel, and the locking block is pressed against the side wall of the clamping area, a first channel is penetrated on the top connecting strip, and a second channel is penetrated on the locking block, and the suction pipe is positioned in the side wall of the first channel after passing through the second channel.

[0010] By adopting the above technical solution, the positioning block is pressed against the clamping area, so that the top connecting strip is stably positioned in the side wall of the preset channel; the end of the suction pipe away from the suction piece passes through the second channel and is positioned in the side wall of the first channel. At this time, the suction pipe sucks the air between the top connecting strip and the profile, so that the profile is stably positioned at the top connecting strip, thereby ensuring the position stability of the profile on the machine body and the cutting accuracy of the laser device on the profile.

[0011] In a specific possible implementation scheme, the suction part also includes a connecting unit, which includes an external enclosure and a locking bolt; the external enclosure is arranged on the intake pipe, and the locking bolt is used to connect the external enclosure to the locking block.

[0012] By adopting the above technical solution, the external enclosure increases the contact area between the intake pipe and the positioning block, and the locking bolts can quickly fix the connection between the external enclosure and the positioning block, thereby helping to ensure the position stability and application stability of the intake pipe in the first channel.

[0013] In a specific feasible implementation scheme, the limiting mechanism also includes a locking portion, which includes a plurality of stop ring plates, all of which are rotatably arranged on the machine body so that the top connecting strip is positioned within the side wall of a preset channel; a yield plane is arranged at one end of each of the stop ring plates, and the yield plane is used to make the stop ring plate detach from the top connecting strip.

[0014] By adopting the above technical solution, the stop ring plate simultaneously presses against the top connecting bar and the machine body, so that the top connecting bar is stably positioned in the side wall of the preset channel, thereby reducing the phenomenon of the top connecting bar passing through the preset channel; when the operator rotates the stop ring plate to make the clearance plane face the preset channel, the operator can freely push the top connecting bar into or out of the preset channel.

[0015] In a specific possible implementation manner, the support portion further includes an interference piece, the interference piece is disposed on the side connecting plate, and the interference piece is interference-fitted between the positioning block and the side connecting plate.

[0016] By adopting the above technical solution, the interference fit is pressed tightly between the blocking block and the side connecting plate through its own compression deformation, thereby ensuring the position stability of the blocking block in the clamping area, and further helping to ensure the position stability and application stability of the top connecting strip.

[0017] In a specific possible implementation scheme, the driving part also includes multiple groups of guide units, each of which includes an orientation rod and a guide cylinder; the orientation rod is arranged on the support plate, the guide cylinder is arranged in the side wall of the assembly channel, and the end of the orientation rod close to the guide cylinder is located in the guide bar.

[0018] By adopting the above technical solution, when the cylinder is driven to control the output end to rise and fall, the directional rod slides in the guide tube, and the guide tube provides lateral support for the directional rod to reduce the phenomenon of large-scale loosening and deviation of the support plate during the lifting process, thereby helping to ensure the position stability and application stability of the profile on the machine body.

[0019] In a specific possible implementation scheme, an external channel communicating with the first channel is further provided on the side wall of the top connecting bar, and the driving cylinder controls the top connecting bar to move above the machine body, forming a positioning area for positioning the profile between two adjacent top connecting bars.

[0020] By adopting the above technical solution, when the output end of the driving cylinder is extended, the end of the top connecting strip away from the positioning block and the external channel are both moved to the top of the machine body. At this time, the profile located in the positioning area is easily adsorbed and positioned by the suction force at the external channel, which helps to ensure the position stability of the profile on the machine body.

[0021] In a specific feasible implementation scheme, an embedded groove is further provided on the side wall of the top connecting strip, and a tightening unit is provided in the side wall of the embedded groove; the tightening unit includes a tightening block and multiple groups of elastic parts, one end of all the elastic parts is provided in the side wall of the embedded groove, and the tightening block is provided at the other end of all the elastic parts.

[0022] By adopting the above technical solution, the profile is pressed into the inner cavity of the positioning area, the pressing block is pressed against the profile, and the elastic member is compressed; at this time, the elastic member reacts to the profile through its own elastic force, so that the profile is stably positioned in the side wall of the positioning area, so as to ensure the position stability of the profile on the machine body, thereby helping to improve the processing accuracy of the laser device on the profile.

[0023] In a second aspect, the present application also provides a processing method of a profile laser device for improving processing accuracy, the processing method comprising the following processing steps:

[0024] Positioning of large-size profiles: Place the large-size profiles on the top wall of the machine body so that the profiles abut against the abutting part. The suction member sucks the air at the abutting part through the suction pipe to form a negative pressure space where the abutting part and the profiles abut, thereby improving the position stability of the large-size profiles on the machine body;

[0025] Positioning of small-size profiles: The driving part lifts the supporting part so that the abutment part arranged on the supporting part passes through the preset channel to move to the top of the machine body; the small-size profile is placed between two adjacent abutment parts; the suction part sucks the air at the abutment part through the suction pipe so that the profile is pressed tightly between the two abutment parts;

[0026] Profile processing: The cutting mechanism moves on the machine body to cut large or small profiles.

[0027] By adopting the above technical solution, the operator can cut the profiles placed on the machine body efficiently and with high precision. This process effectively ensures the processing accuracy of the laser device on the profiles.

[0028] In summary, this application has the following beneficial technical effects:

[0029] 1. The large-sized profile is placed on the machine body, and the suction part sucks the air at the contact part and the profile through the suction pipe, so that a negative pressure space is formed at the contact part of the profile and the contact part, so that the profile is more stably adsorbed on the contact part, so as to ensure the position stability of the profile on the machine body, reduce the looseness and deviation of the profile during the cutting process, and help improve the processing accuracy of the laser device on the profile; the driving part can push the supporting part and the contact part to move in the vertical direction, so that the two adjacent contact parts can clamp the profile together above the machine body, so that the small-sized profile can be positioned on the machine body, which helps to ensure the processing accuracy of the laser device on the small-sized profile;

[0030] 2. When the output end of the driving cylinder is extended, the end of the top connecting strip away from the positioning block and the external channel are both moved to the top of the machine body. At this time, the profile located in the positioning area is easily adsorbed and positioned by the suction force at the external channel, which helps to ensure the position stability of the profile on the machine body. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the vertical cross-sectional structure of a profile laser device for improving processing accuracy in an embodiment of the present application;

[0032] Figure 2 is a schematic diagram for illustrating the interference portion in an embodiment of the present application;

[0033] Figure 3 It is a schematic diagram used to show the positional relationship of the top connecting strip body in the embodiment of the present application;

[0034] Figure 4 yes Figure 1 Enlarged schematic diagram of part A.

[0035] Description of reference numerals:

[0036] 1. Machine body; 11. Preset channel; 12. Assembly channel; 2. Cutting mechanism; 21. Support frame; 22. Laser head; 3. Limiting mechanism; 4. Resistance part; 41. Top connecting bar; 411. Positioning area; 412. First channel; 413. External channel; 414. Embedded groove; 42. Positioning block; 421. Second channel; 5. Support part; 51. Support plate; 52. Side connecting plate; 521. Clamp holding area; 522, interference fit; 6, driving unit; 61, driving cylinder; 62, guide unit; 621, directional rod; 622, guide cylinder; 7, suction unit; 71, suction piece; 72, suction pipe; 73, connecting unit; 731, external enclosure; 732, locking bolt; 8, locking part; 81, stop ring plate; 82, yielding plane; 9, tightening unit; 91, tightening block; 92, elastic member. DETAILED DESCRIPTION

[0037] The embodiment of the present application discloses a profile laser device for improving processing accuracy.

[0038] The present application will be further described in detail below in conjunction with the accompanying drawings.

[0039] Reference Figure 1-4The laser device includes a body 1, a cutting mechanism 2 and a limiting mechanism 3. Among them, the body 1 is placed on the ground, and the top wall of the body 1 is used to support the profile to be processed. The cutting mechanism 2 includes a support frame 21 and a laser head 22. The support frame 21 is slidably set on the body 1, and the laser head 22 is slidably set on the support frame 21. In this embodiment, the support frame 21 can be displaced along the length direction of the body 1, and the laser head 22 can be displaced along the length direction of the support frame 21, so that the laser head 22 can cut and process the profile. It should be noted that the profiles processed in the embodiments of the present application can all be special-shaped profiles, and the profiles are described as the same below.

[0040] Reference Figure 1 The limiting mechanism 3 is arranged on the machine body 1 to limit the position of the profile on the machine body 1. The limiting mechanism 3 includes a plurality of abutment parts 4, a support part 5, a driving part 6 and a suction part 7.

[0041] Reference Figure 2 and Figure 3 Each abutment 4 includes a top connecting strip 41 and a positioning block 42. The positioning block 42 is welded to the top connecting strip 41, and the width of the top connecting strip 41 is greater than the width of the positioning block 42. The top wall of the body 1 is provided with a plurality of preset channels 11. The inner diameter of the preset channels 11 is adapted to the outer circumference of the top connecting strip 41. In this embodiment, a group of abutments 4 is supported by the support portion 5 and the driving portion 6 and positioned in the side wall of a preset channel 11.

[0042] Reference Figure 2 , the top wall of the top connecting strip 41 is coplanar with the top wall of the machine body 1. In order to reduce the position stability of the top connecting strip 41 in the preset channel 11, the limiting mechanism 3 also includes a clamping portion 8. The clamping portion 8 includes a plurality of stop ring plates 81, each of which is rotatably arranged on the machine body 1 through a rotating shaft. In this embodiment, a stop ring plate 81 is respectively arranged at both ends of each preset channel 11 in the length direction to reduce the phenomenon that the top connecting strip 41 passes through the preset channel 11.

[0043] Reference Figure 2 Each stop ring plate 81 is also provided with a clearance plane 82 at one end, and the operator rotates the stop ring plate 81 so that the clearance plane 82 faces the preset channel 11. At this time, the stop ring plate 81 is only located on the top wall of the body 1, and the operator can freely pass the top connecting strip 41 through or push it into the inner cavity of the preset channel 11.

[0044] Reference Figure 1The machine body 1 is also provided with an assembly channel 12, which is located below all the preset channels 11, and the inner cavities of all the preset channels 11 are communicated with the inner cavities of the assembly channel 12. The support portion 5 includes a support plate 51 and a plurality of side connecting plates 52, all of which are welded to the top wall of the support plate 51 in the vertical direction, and a clamping area 521 is formed between two adjacent side connecting plates 52.

[0045] Reference Figure 1 and Figure 4 The two side connecting plates 52 with the clamping area 521 are respectively glued with interference pieces 522 on the side walls facing each other. In this embodiment, the interference pieces 522 can be rubber pads with a flexible texture and easy to deform. The support plate 51 is suspended in the assembly channel 12 through the driving unit 6. The two side connecting plates 52 with the clamping area 521 are a group and are correspondingly inserted into the side walls of a preset channel 11.

[0046] Reference Figure 1 In this embodiment, the driving part 6 includes a driving cylinder 61 , which is fixed to the inner bottom wall of the assembly channel 12 by bolts, and the support plate 51 is welded to the output end of the driving cylinder 61 .

[0047] Reference Figure 1 and Figure 4 When the output end of the driving cylinder 61 is in a contracted state, the bottom wall of the top connecting bar 41 abuts against the top wall of the side connecting plate 52, and the positioning block 42 abuts between the two side connecting plates 52 with the interference fit 522. At this time, the top wall of the top connecting bar 41 and the top wall of the machine body 1 are in a coplanar state, and the operator can place large-sized profiles on the machine body 1 for the cutting mechanism 2 to perform cutting operations.

[0048] Reference Figure 1 and Figure 4 , the operator rotates the stop ring plate 81 to make the clearance plane 82 face the preset channel 11, and then drives the cylinder 61 to extend the output end, and the support plate 51 moves upward in the vertical direction, so that the side connecting plate 52 pushes the top connecting bar 41 to move until the end of the top connecting bar 41 away from the positioning block 42 is located above the machine body 1. At this time, a positioning area 411 is formed between two adjacent top connecting bars 41, and the operator can clamp the end of the small-sized profile close to the machine body 1 into the side wall of the positioning area 411, so that the machine body 1 can cut the small-sized profile.

[0049] Reference Figure 1In order to improve the stability of the lifting of the support plate 51, the driving part 6 also includes a guide unit 62, which includes a directional rod 621 and a guide cylinder 622. The directional rod 621 is welded to the support plate 51 in the vertical direction, and the guide cylinder 622 is welded to the inner bottom wall of the assembly channel 12 in the vertical direction. The end of the directional rod 621 close to the guide cylinder 622 is located inside the side wall of the guide cylinder 622. When the driving cylinder 61 extends the output end, the directional rod 621 slides inside the guide cylinder 622, and the guide cylinder 622 provides lateral support to the directional rod 621 to ensure the lifting stability of the support plate 51.

[0050] Reference Figure 1 and Figure 4 The suction part 7 includes a suction member 71 and a plurality of suction pipes 72. In this embodiment, the suction member 71 may be a vacuum pump, and the number of the suction pipes 72 is equal to the number of the preset channels 11. The suction member 71 is fixed to the inner bottom wall of the preset channel 11 by bolts, one end of all the suction pipes 72 is connected to the suction end of the suction member 71, and one end of each suction pipe 72 away from the suction member 71 is connected to the abutment portion 4.

[0051] Reference Figure 1 and Figure 4 , a first channel 412 is provided through the top connecting strip 41, and a second channel 421 is provided on the positioning block 42. In this embodiment, the central axes of the first channel 412 and the second channel 421 are collinear. The suction part 7 also includes a connecting unit 73, and the connecting unit 73 includes an external enclosure 731 and a locking bolt 732, wherein the external enclosure 731 is glued to the outer peripheral wall of the suction pipe 72 by glue. The end of the suction pipe 72 away from the suction member 71 passes through the second channel 421 and is positioned in the side wall of the first channel 412. At this time, the top wall of the external enclosure 731 abuts against the bottom wall of the positioning block 42. The operator passes the locking bolt 732 through the external enclosure 731 and screws it into the preset thread groove on the outer wall of the positioning block 42, so that the external enclosure 731 is fixedly connected to the positioning block 42, and the suction pipe 72 is positioned in the side wall of the first channel 412.

[0052] Reference Figure 1 and Figure 4 When the profile is on the machine body 1, the suction member 71 sucks the air at the contact point between the top connecting strip 41 and the profile through the suction pipe 72, so that a negative pressure space is formed at the contact point between the profile and the top connecting strip 41, thereby causing the profile to be adsorbed and pressed against the top connecting strip 41. This process effectively ensures the position stability of the profile on the machine body 1, thereby effectively reducing the looseness and deviation of the profile during the cutting process, and helps to improve the processing accuracy of the laser device on the profile.

[0053] Reference Figure 1 and Figure 4, an external channel 413 communicating with the first channel 412 is also provided on the side wall of the top connecting strip 41. In this embodiment, the external channel 413 communicates with the positioning area 411. When the output end of the driving cylinder 61 is extended outward, so that the end of the top connecting strip 41 away from the positioning block 42 is located above the machine body 1, the external channel 413 is also located above the machine body 1. At this time, the suction force formed at the external channel 413 can make the profile more stably positioned in the side wall of the positioning area 411.

[0054] Reference Figure 4 In order to improve the position stability of the profile in the positioning area 411, an embedded groove 414 is further provided on the side wall of the top connecting strip 41, and a tightening unit 9 is provided in the side wall of the embedded groove 414. The tightening unit 9 includes a tightening block 91 and a plurality of sets of elastic members 92. In this embodiment, the elastic member 92 can be a steel compression spring, one end of the elastic member 92 is welded to the side wall of the embedded groove 414, and the tightening block 91 is welded to the other end of the elastic member 92. When the elastic member 92 is in a free extension state, the end of the tightening block 91 away from the elastic member 92 is located outside the embedded groove 414, so as to abut the profile located in the positioning area 411. After the elastic member 92 is compressed by force, the tightening block 91 can be completely pressed into the side wall of the embedded groove 414.

[0055] The implementation principle of a profile laser device for improving processing accuracy in an embodiment of the present application is as follows: when the output end of the driving cylinder 61 is in a contracted state, the top wall of the top connecting strip 41 is coplanar with the top wall of the machine body 1. At this time, the machine body 1 is suitable for placing large-sized profiles for cutting processing.

[0056] The suction piece 71 sucks the air at the abutment point between the top connecting strip 41 and the profile through the suction pipe 72, so that a negative pressure space is formed at the abutment point between the top connecting strip 41 and the profile, so that the profile is more stably adsorbed and positioned on the top connecting strip 41, so as to ensure the position stability of the profile on the machine body 1, reduce the looseness and deviation of the profile during the processing, and improve the processing accuracy of the laser device on the profile.

[0057] When the output end of the driving cylinder 61 is extended, the supporting plate 51 drives the side connecting plate 52 to move upward in the vertical direction, and the side connecting plate 52 pushes the end of the top connecting bar 41 away from the positioning block 42 to move above the machine body 1. At this time, the operator can place a small-sized profile in the side wall of the positioning area 411, and the pressing block 91 presses against the outer side wall of the profile to ensure the position of the profile on the machine body 1, which helps to improve the processing accuracy of the laser device on the profile.

[0058] The embodiment of the present application also discloses a processing method of a profile laser device for improving processing accuracy, and the processing method includes the following processing steps:

[0059] Positioning of large-sized profiles: Place the large-sized profiles on the top wall of the body 1 so that the profiles abut against the abutment portion 4. The suction member 71 draws air from the abutment portion 4 through the suction pipe 72 to form a negative pressure space where the abutment portion 4 and the profiles abut, thereby improving the position stability of the large-sized profiles on the body 1.

[0060] Positioning of small-sized profiles: the support portion 5 is lifted by the driving portion 6, so that the resistance portion 4 arranged on the support portion 5 passes through the preset channel 11 to be moved to the top of the machine body 1; the small-sized profile is placed between two adjacent resistance portions 4; the suction member 71 sucks the air at the resistance portion 4 through the suction pipe 72, so that the profile is pressed tightly between the two resistance portions 4.

[0061] Profile processing: The cutting mechanism 2 is displaced on the machine body 1 to cut large-size profiles or small-size profiles.

[0062] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A profile laser device for improving processing accuracy, comprising a body (1) and a cutting mechanism (2) arranged on the body (1), Features: The laser device further comprises a limiting mechanism (3), the limiting mechanism (3) comprising a plurality of abutting parts (4), a supporting part (5), a driving part (6) and a suction part (7); the body (1) is provided with a plurality of preset channels (11), and the body (1) is further provided with an assembly channel (12) communicating with all the preset channels (11); the driving part (6) is arranged in a side wall of the assembly channel (12), one of the abutting parts (4) is correspondingly arranged in a side wall of a preset channel (11), the supporting part (5) is connected to the driving part (6) to support the abutting part (4) located in the preset channel (11); the suction part (7) comprises a suction piece (71) and a plurality of suction pipes (72), the The suction member (71) is arranged in the side wall of the assembly channel (12); one end of each of the suction pipes (72) is connected to the suction member (71); the other end of each of the suction pipes (72) is arranged on the abutment portion (4), so that the profile abutting against the abutment portion (4) is positioned on the machine body (1); the abutment portion (4) comprises a top connecting strip (41) and a positioning block (42); the positioning block (42) is arranged on the top connecting strip (41); the support portion (5) comprises a support plate (51) and a plurality of side connecting plates (52); all of the side connecting plates (52) are arranged on the support plate (51); a clamping area (521) is formed between two adjacent side connecting plates (52); the driving portion (6) comprises a driving cylinder (61); The driving cylinder (61) is arranged in the side wall of the assembly channel (12); the supporting plate (51) is arranged on the output end of the driving cylinder (61); the two side connecting plates (52) forming the clamping area (521) are located in the same preset channel (11); the top connecting strip (41) is located in the side wall of the preset channel (11); the positioning block (42) is pressed against the side wall of the clamping area (521); the top connecting strip (41) is provided with a first channel (412) penetrating therethrough; the positioning block (42) is provided with a second channel (421) penetrating therethrough; the suction pipe (72) passes through the second channel (421) and is positioned in the side wall of the first channel (412); the suction portion (7) further comprises a connecting unit ( 73), the connecting unit (73) comprises an external enclosure plate (731) and a locking bolt (732); the external enclosure plate (731) is arranged on the air intake pipe (72), and the locking bolt (732) is used to connect the external enclosure plate (731) to the positioning block (42); the limiting mechanism (3) also comprises a positioning portion (8), and the positioning portion (8) comprises a plurality of stop ring plates (81), and all the stop ring plates (81) are rotatably arranged on the body (1) so that the top connection strip (41) is positioned in the side wall of the preset channel (11); one end of each of the stop ring plates (81) is provided with a clearance plane (82), and the clearance plane (82) is used to make the stop ring plate (81) detach from the top connection strip (41);The driving part (6) further comprises a plurality of guide units (62), each of the guide units (62) comprising a directional rod (621) and a guide cylinder (622); the directional rod (621) is arranged on the support plate (51), the guide cylinder (622) is arranged in the side wall of the assembly channel (12), and one end of the directional rod (621) close to the guide cylinder (622) is located in the guide bar.; 2. The profile laser device for improving processing accuracy according to claim 1, Features: The support portion (5) further comprises an interference piece (522), wherein the interference piece (522) is arranged on the side connecting plate (52), and the interference piece (522) is interference-fitted between the positioning block (42) and the side connecting plate (52).

3. The profile laser device for improving processing accuracy according to claim 2, Features: An external channel (413) communicating with the first channel (412) is also provided on the side wall of the top connecting strip (41), and the driving cylinder (61) controls the top connecting strip (41) to move above the machine body (1), so that a positioning area (411) for positioning the profile is formed between two adjacent top connecting strips (41).

4. The profile laser device for improving processing accuracy according to claim 3, Features: An embedded groove (414) is also provided on the side wall of the top connecting strip (41), and a tightening unit (9) is provided in the side wall of the embedded groove (414); the tightening unit (9) comprises a tightening block (91) and a plurality of groups of elastic members (92), one end of all the elastic members (92) is provided in the side wall of the embedded groove (414), and the tightening block (91) is provided at the other end of all the elastic members (92).

5. A processing method of a profile laser device with improved processing accuracy according to claim 4, Features: The processing method includes the following processing steps: Positioning of large-sized profiles: placing the large-sized profiles on the top wall of the machine body (1) so that the profiles abut against the abutting portion (4), and the suction member (71) sucks air from the abutting portion (4) through the suction pipe (72), so that a negative pressure space is formed at the abutting portion between the abutting portion (4) and the profiles, thereby improving the position stability of the large-sized profiles on the machine body (1); Positioning of small-sized profiles: lifting the support portion (5) through the driving portion (6) so that the abutment portion (4) disposed on the support portion (5) passes through a preset channel (11) to be displaced above the machine body (1); placing the small-sized profile between two adjacent abutment portions (4); and the suction member (71) sucking air from the abutment portion (4) through the suction pipe (72) so that the profile is pressed tightly between the two abutment portions (4); Profile processing: The cutting mechanism (2) moves on the machine body (1) to cut large-size profiles or small-size profiles.

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