CN114871598A

CN114871598A - Automatic laser guillootine of various steel sheet

Info

Publication number: CN114871598A
Application number: CN202210815232.7A
Authority: CN
Inventors: 郑金星
Original assignee: Jiangsu Yiren Intelligent Manufacturing Technology Co ltd
Current assignee: Jiangsu Yiren Intelligent Manufacturing Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-08-09
Anticipated expiration: 2042-07-11
Also published as: CN114871598B

Abstract

The invention relates to the technical field of plate cutting, in particular to an automatic laser cutting machine for color steel plates, which comprises a placing table, a cutting body, a connecting device, a suction device, a scraping device and a rolling device, wherein the cutting body is installed at the upper end of the placing table, the connecting device is connected onto the cutting body, the suction device is installed at the lower end of the connecting device, and the scraping device is arranged in the suction device; waste gas, metal chips and sparks generated in the laser cutting process of the existing color steel plate are directly diffused into the surrounding environment, so that the body of an operator is damaged, and the hidden danger of the laser cutting machine is increased; the suction device adopted by the automatic laser cutting machine for the color steel plate can suck waste gas and metal scraps generated in cutting through the air pump when the color steel plate is cut, so that the influence on the surrounding environment is reduced, and the damage to the body of an operator is avoided.

Description

Automatic laser guillootine of various steel sheet

Technical Field

The invention relates to the technical field of plate cutting, in particular to an automatic laser cutting machine for a color steel plate.

Background

The color steel plate is a steel plate with an organic coating, has the characteristics of good corrosion resistance, bright color, attractive appearance, convenient processing and forming and the like, is widely applied to industries such as building household appliances and transportation, is mainly used in the building industry, and generally needs a laser cutting machine to cut the color steel plate when in use.

Present various steel sheet is direct to place various steel sheet and cut on current laser guillootine usually when carrying out laser cutting, and laser guillootine can be accurate cut various steel sheet, but present laser guillootine waste gas, metal fillings and the mars direct diffusion that the in-process that cuts various steel sheet produced to the environment on every side to cause the harm to the operating personnel health, increased the hidden danger that laser guillootine used.

The existing color steel plate is directly placed on a laser cutting machine to be cut when being cut by laser, and dirt and dust which are adhered to the surface of the color steel plate too tightly cannot be removed in the cutting process, so that the cutting of the color steel plate is easily influenced.

Disclosure of Invention

The technical problem to be solved is as follows: the automatic laser cutting machine for the color steel plate can solve the problems existing in the laser cutting of the color steel plate.

The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme that the automatic laser cutting machine for the color steel plate comprises a placing table, a cutting body, a connecting device, a suction device, a scraping device and a rolling device, wherein the cutting body is installed at the upper end of the placing table, the connecting device is connected onto the cutting body, the suction device is installed at the lower end of the connecting device, the scraping device is arranged in the suction device, the scraping device is installed on the cutting body, and the rolling device is installed at the upper end of the placing table.

The suction device comprises a suction frame arranged at the lower end of the connecting device, an air inlet pipe is arranged on the upper wall of the suction frame in a penetrating way, a gas collecting frame is arranged at the lower end of the air inlet pipe, the upper end of the gas collecting frame is fixedly connected with the upper wall of the suction frame through a round rod, a circular through hole is formed in the middle of the upper wall of the suction frame, a plurality of suction pipes distributed in a rectangular array are obliquely arranged on the lower end surface of the gas collecting frame, thread teeth are arranged on the outer surface of each suction pipe, which is close to the lower end, a suction head is connected with the thread teeth, a guide groove is formed in the lower end surface of the suction frame, a plurality of rectangular uniformly-distributed connecting springs are arranged on the upper groove wall of the guide groove, lifting rods are arranged at the lower ends of the connecting springs, a barrier cloth is arranged between every two adjacent lifting rods, a rectangular soft plate is jointly connected on the outer surface of the plurality of the lifting rods, a plurality of uniformly-distributed cleaning brushes are arranged on the lower end surface of the rectangular soft plate, and a connecting hose is arranged at one end of the air inlet pipe, which is far away from the gas collecting frame, the other end of the connecting hose is provided with an air pump which is arranged on the suction frame.

The rolling device comprises a rectangular plate arranged at the upper end of the placing table, a plurality of moving grooves are evenly formed in the left side and the right side of the upper end of the rectangular plate, two trapezoidal sliding blocks are arranged on the left side and the right side of the upper end of the rectangular plate in a sliding fit mode, two guide frames are arranged on the upper end of the rectangular plate close to the left side and the right side of the rear side of the rectangular plate in a sliding fit mode, the guide frames are of a reversed-square-shaped structure, sliding blocks are arranged in the middle of the guide frames in a sliding fit mode, limiting rods are arranged at the upper ends of the sliding blocks and are in sliding through fit with the upper walls of the guide frames, limiting through holes are horizontally formed in the upper walls of the guide frames, limiting plates are inserted in the limiting through holes, and a plurality of evenly distributed inserting holes are formed in the limiting rods and are two rolling mechanisms are connected on the sliding blocks in a rotating mode.

According to a preferable technical scheme, the connecting device comprises a rectangular frame which is connected to the cutting body in a sliding mode, rectangular grooves are formed in the inner end faces of the left side wall and the right side wall of the rectangular frame respectively, clamping plates are connected in the rectangular grooves in a sliding mode, one ends, far away from the cutting body, of the clamping plates are connected with adjusting screws in a rotating mode, the adjusting screws are connected with the rectangular frame in a penetrating mode through threads, connecting columns are installed at four corners of the lower end of the rectangular frame respectively, and the lower ends of the connecting columns are fixedly connected with the suction frame.

According to a preferable technical scheme, the scraping device comprises a connecting plate arranged on the cutting body, a plurality of uniformly distributed rectangular through holes are formed in the connecting plate, an L-shaped plate is connected to the inside of each rectangular through hole in a sliding mode, a compression spring is arranged between the lower end of the horizontal section of the L-shaped plate and the connecting plate, and a scraping knife is arranged at the lower end of the L-shaped plate.

According to a preferred technical scheme, the rolling mechanism comprises a rotating rod which is rotatably connected to the two sliding blocks, a plurality of uniformly distributed insertion grooves are symmetrically formed in the outer surface of the rotating rod, a plurality of uniformly distributed annular sleeves are sleeved in the middle of the outer surface of the rotating rod, the annular sleeves are clamped in the insertion grooves through clamping columns, plastic sleeves are symmetrically sleeved on the left side and the right side of the outer surface of the rotating rod in a left-right mode, and the plastic sleeves are clamped in the insertion grooves through the clamping columns.

As a preferred technical scheme of the invention, the circular ring sleeve is formed by splicing and matching two first semicircular arc plates, a first circular groove is formed in the inner surface of each first semicircular arc plate, and the first circular groove is in clamping and matching with the clamping column.

As a preferred technical scheme of the invention, the plastic sleeve is formed by splicing and matching two second semicircular arc plates, a second circular groove is formed in the inner surface of each second semicircular arc plate, the second circular groove is in clamping and matching with the clamping column, and inclined planes are formed in the opposite surfaces of the second semicircular arc plates positioned on the left side and the right side.

As a preferred technical scheme of the invention, the suction head is of a trumpet-shaped structure, and a trumpet-shaped annular plate is arranged on the inner wall of the suction head.

As a preferable technical solution of the present invention, a ball is rotatably connected to a lower end surface of the lift lever.

Has the advantages that: 1. the suction device adopted by the automatic laser cutting machine for the color steel plate can form a closed space by combining the suction frame and the blocking cloth when the color steel plate is cut, and sucks waste gas and metal chips generated during cutting through the air pump, so that the waste gas and the metal chips generated during cutting are prevented from being diffused into the surrounding environment, and sparks generated during cutting of the color steel plate are prevented from splashing, thereby reducing the influence on the surrounding environment and avoiding the damage to the body of an operator.

2. The rolling mechanism adopted by the automatic laser cutting machine for the color steel plate can be correspondingly adjusted according to the shape and the size of the color steel plate to be cut, and can limit the color steel plates with different thicknesses, so that the color steel plates with different specifications can be conveniently cut, and the cutting flexibility of the color steel plates is improved.

3. The scraping device and the rectangular soft plate adopted by the automatic laser cutting machine for the color steel plate can clean the cut part before the color steel plate is cut, so that the influence of dirt and dust adhered to the color steel plate too tightly on laser cutting is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a perspective view of the present invention from a first perspective.

Fig. 2 is a perspective view of the present invention from a second perspective.

Fig. 3 is a front view of the present invention.

Fig. 4 is a left side view of the present invention.

Fig. 5 is a cross-sectional view a-a of fig. 4 in accordance with the present invention.

Fig. 6 is a cross-sectional view of B-B of fig. 4 in accordance with the present invention.

Fig. 7 is an enlarged view of the invention at N in fig. 5.

Fig. 8 is an enlarged view at X in fig. 5 of the present invention.

In the figure: 1. a placing table; 2. cutting the body; 3. a connecting device; 31. a rectangular frame; 32. adjusting the screw rod; 33. a clamping plate; 34. connecting columns; 4. a suction device; 41. an extraction frame; 42. an air inlet pipe; 43. a gas collection frame; 44. an extraction tube; 45. a suction head; 46. a connecting spring; 47. a lifting rod; 48. a barrier cloth; 49. a rectangular soft board; 40. an air pump; 5. a scraping device; 51. a connecting plate; 52. an L-shaped plate; 53. a compression spring; 6. a rolling device; 61. a rectangular plate; 62. a trapezoidal slider; 63. a guide frame; 64. a slider; 65. a limiting rod; 66. a limiting plate; 67. a rolling mechanism; 671. rotating the rod; 672. a position clamping column; 673. a circular ring sleeve; 6731. a first semicircular arc plate; 674. molding a sleeve; 6741. a second semicircular arc plate.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1-5, an automatic laser guillootine of various steel sheet, including placing platform 1, cutting body 2, connecting device 3, suction means 4, scraping device 5 and rolling press 6, place 1 upper end of platform and install and cut body 2, cut and be connected with connecting device 3 on the body 2, suction means 4 is installed to connecting device 3 lower extreme, the inside scraping device 5 that is provided with of suction means 4, scraping device 5 installs on cutting body 2, places 1 upper end of platform and installs rolling press 6.

Referring to fig. 6, the rolling device 6 is including installing place the rectangular plate 61 of platform 1 upper end, a plurality of shifting chutes have all evenly been seted up in rectangular plate 61 up end left and right sides department, rectangular plate 61 upper end bilateral symmetry is provided with two trapezoidal sliders 62, trapezoidal slider 62 and shifting chute sliding fit, rectangular plate 61 upper end is close to rear side department bilateral symmetry and installs two leading trucks 63, leading truck 63 is back font structure, leading truck 63 middle part sliding connection has a sliding block 64, gag lever post 65 is installed to sliding block 64 upper end, gag lever post 65 and leading truck 63 upper wall sliding through cooperation, spacing through-hole has been seted up to leading truck 63 upper wall level, limiting plate 66 has been pegged graft in the spacing through-hole, set up a plurality of evenly distributed's spliced eye on the gag lever post 65, two rotate jointly on the sliding block 64 and be connected with rolling mechanism 67.

Referring to fig. 6, the rolling mechanism 67 includes two rotating rods 671 rotatably connected to the two sliding blocks 64, a plurality of uniformly distributed insertion grooves are symmetrically formed in the outer surface of the rotating rod 671, a plurality of uniformly distributed ring sleeves 673 are sleeved in the middle of the outer surface of the rotating rod 671, the ring sleeves 673 are clamped in the insertion grooves through clamping posts 672, the plastic sleeves 674 are symmetrically sleeved on the left and right sides of the outer surface of the rotating rod 671, the plastic sleeves 674 are clamped in the insertion grooves through the clamping posts 672, the circular ring sleeve 673 is formed by splicing and matching two first semicircular arc plates 6731, a first circular groove is formed in the inner surface of each first semicircular arc plate 6731 and is in clamping fit with the clamping column 672, the type cover 674 is spliced and matched by two semicircular arc plates 6741, a circular groove is formed in the inner surface of the semicircular arc plate 6741, the circular groove is matched with the clamping column 672 in a clamping mode, and an inclined plane is formed in the opposite surface of the semicircular arc plate 6741 on the left side and the right side.

Referring to fig. 5 and 6, in specific operation, according to the distance between the color steel plate protrusions, two trapezoidal sliding blocks 62 are manually inserted into corresponding moving grooves, then corresponding upper and lower first semicircular arc plates 6731 are clamped in the insertion groove of the rotating rod 671 through the clamping column 672, the upper and lower first semicircular arc plates 6731 are spliced into a circular sleeve 673 to be sleeved on the rotating rod 671, similarly, corresponding second semicircular arc plates 6741 are clamped in the corresponding insertion groove of the rotating rod 671 through the clamping column 672 above the trapezoidal sliding blocks 62, the upper and lower second semicircular arc plates 6741 are spliced into a molding sleeve 674, the inclined surfaces on the second semicircular arc plates 6741 are matched with the inclined surfaces of the trapezoidal sliding blocks 62, so as to realize the molding function, then, the color steel plate is manually passed between the rolling mechanism 67 and the rectangular plate 61, the rotating rod 671 is pressed downwards, the 671 drives the circular sleeve 673 and the molding sleeve 674 to move to the color steel plate, pass limiting plate 66 again in the spliced eye on spacing through-hole inserts the gag lever post 65, thereby it is spacing to gag lever post 65, it is spacing further to ring cover 673 and mould type cover 674, through the current machine of feeding in the external world, it pushes away various steel sheet to cutting the body 2 below to feed the machine, it is current laser cutting machine to cut body 2, ring cover 673 and mould type cover 674 and rectangular plate 61 cooperation, the realization is rolled in the function that flattens to various steel sheet, avoid various steel sheet to appear unevenness's phenomenon when cutting.

Referring to fig. 7, the connecting device 3 includes a rectangular frame 31 slidably connected to the cutting body 2, rectangular grooves are formed in inner end faces of left and right side walls of the rectangular frame 31, a clamping plate 33 is slidably connected to the rectangular grooves, one end, far away from the cutting body 2, of the clamping plate 33 is rotatably connected with an adjusting screw 32, the adjusting screw 32 is in threaded through connection with the rectangular frame 31, connecting columns 34 are installed at four corners of the lower end of the rectangular frame 31, and the lower ends of the connecting columns 34 are fixedly connected with the suction device 4.

Referring to fig. 5 and 8, the suction device 4 includes a suction frame 41 installed at the lower end of the connection device 3, an air inlet pipe 42 is installed through the upper wall of the suction frame 41, an air collecting frame 43 is installed at the lower end of the air inlet pipe 42, the upper end of the air collecting frame 43 is fixedly connected with the upper wall of the suction frame 41 through a round rod, a circular through hole is opened at the middle part of the upper wall of the suction frame 41, a plurality of suction pipes 44 distributed in a rectangular array are obliquely installed on the lower end surface of the air collecting frame 43, a thread tooth is arranged on the outer surface of each suction pipe 44 near the lower end, a suction head 45 is connected to the thread tooth in a threaded manner, a guide groove is opened on the lower end surface of the suction frame 41, a plurality of rectangular uniformly distributed connection springs 46 are installed on the upper groove wall of the guide groove, a lifting rod 47 is installed at the lower end of each connection spring 46, a barrier cloth 48 is installed between two adjacent lifting rods 47, and a plurality of rectangular soft plates 49 are connected to the outer surfaces of the lifting rods 47, a plurality of cleaning brushes which are uniformly distributed are installed on the lower end face of the rectangular soft plate 49, a connecting hose is installed at one end, away from the gas collecting frame 43, of the gas inlet pipe 42, an air pump 40 is installed at the other end of the connecting hose, the air pump 40 is installed on the absorbing frame 41, the absorbing head 45 is of a horn-shaped structure, the inner wall of the absorbing head 45 is provided with a horn-shaped annular plate, and the lower end face of the lifting rod 47 is rotatably connected with a ball.

Referring to fig. 5, 7 and 8, in specific operation, a rectangular frame 31 is manually sleeved on the cutting body 2, the rectangular frame 31 drives an absorbing frame 41 to be sleeved on a laser head of the cutting body 2 through a connecting column 34, an adjusting screw 32 is manually rotated, the adjusting screw 32 drives a clamping plate 33 to tightly push the cutting body 2, so that the rectangular frame 31 is fixed on the cutting body 2, the existing waste gas collecting device is communicated with an air pump 40, the air pump 40 is started, then a color steel plate is moved to the lower part of the cutting body 2, the cutting body 2 is started, the cutting body 2 transversely moves and cuts the color steel plate, the absorbing frame 41 is driven to horizontally move when the cutting body 2 is cut, the absorbing frame 41 drives a blocking cloth 48 to horizontally move through a lifting rod 47, balls at the lower end of the lifting rod 47 facilitate the horizontal or vertical movement of the lifting rod 47, the absorbing frame 41 and the blocking cloth 48 are combined to form a closed space, thereby waste gas and the metal fillings that produce when avoiding the cutting diffuse in the environment on every side, and avoided the various steel sheet to cut the mars that produces and splash, thereby the reduction causes the influence to the environment on every side, it drives 49 horizontal migration of rectangle soft board through lifter 47 to absorb frame 41 simultaneously, the clearance brush of 49 lower extremes of rectangle soft board clears up the various steel sheet surface, avoid the dust to cause the influence to laser cutting, absorb frame 41 and drive lifter 47 and remove to the various steel sheet bellied department after, the various steel sheet bellied department pushes away lifter 47, connecting spring 46 rebound is passed through to lifter 47 atress, lifter 47 drives corresponding fender cloth 48 rebound, ensure that lifter 47 and fender cloth 48 also can hug closely the various steel sheet in the various steel sheet bellied department, the effect of environmental protection has been improved.

Referring to fig. 5 and 8, scraping device 5 is including installing connecting plate 51 on cutting body 2 cuts a plurality of evenly distributed's rectangle through-hole on the connecting plate 51, the inside sliding connection of rectangle through-hole has L template 52, install pressure spring 53 between L template 52 horizontal segment lower extreme and the connecting plate 51, L template 52 lower extreme is provided with scrapes the sword, in concrete during operation, when the color plate cutting, cut body 2 and drive connecting plate 51 horizontal migration, connecting plate 51 drives the sword of scraping of L template 52 lower extreme and scrapes the dirt that the adhesion is too tight on the color plate, thereby avoid cutting the laser and cause the influence.

When cutting: s1: according to the distance between the color steel plate bulges, the two trapezoidal sliding blocks 62 are manually inserted into the corresponding moving grooves, and then the corresponding number of the circular ring sleeves 673 and the molding sleeves 674 are sleeved on the rotating rod 671.

S2: the artifical color steel plate of follow is passed between rolling mechanism 67 and the rectangular plate 61 to press dwang 671 down, dwang 671 drives ring cover 673 and moulds type cover 674 and moves to the color steel plate on, passes spacing through-hole with limiting plate 66 again and inserts the spliced eye on the gag lever post 65, thereby it is spacing to carry out gag lever post 65, through the present machine of feeding in the external world, the machine of feeding pushes out color steel plate to cutting body 2 below.

S3: the manual work is established rectangle frame 31 cover and is cut on body 2, rectangle frame 31 passes through spliced pole 34 and drives the absorption frame 41 cover and establish on cutting body 2's laser head, adjusting screw 32 drives clamping plate 33 and pushes up tightly cutting body 2, with current waste gas collecting device and air pump 40 intercommunication, and start air pump 40, later start cutting body 2, cut body 2 and carry out lateral shifting and cutting to the various steel sheet, cut body 2 and drive absorption frame 41 horizontal migration when the cutting, absorption frame 41 passes through lifter 47 and drives and separate fender cloth 48 horizontal migration, absorption frame 41 and the combination of fender cloth 48 form an enclosure, thereby waste gas and the metal fillings that produce when avoiding cutting diffuse to the environment on every side in.

S4: when the various steel sheet cutting, cut body 2 and drive connecting plate 51 horizontal migration, connecting plate 51 drives the scraping knife of L template 52 lower extreme and strikes off the dirt that the adhesion was too tight on the various steel sheet, cuts the completion back at the various steel sheet, and the artifical various steel sheet that will cut takes off from rectangular plate 61, cuts the completion.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic laser guillootine of various steel sheet, is including placing platform (1), cutting body (2), connecting device (3), suction means (4), scraping device (5) and rolling press device (6), its characterized in that: the cutting body (2) is installed at the upper end of the placing table (1), the connecting device (3) is connected to the cutting body (2), the suction device (4) is installed at the lower end of the connecting device (3), the scraping device (5) is arranged inside the suction device (4), the scraping device (5) is installed on the cutting body (2), and the rolling device (6) is installed at the upper end of the placing table (1); wherein:

the suction device (4) comprises a suction frame (41) arranged at the lower end of the connecting device (3), an air inlet pipe (42) is arranged on the upper wall of the suction frame (41) in a penetrating manner, an air collecting frame (43) is arranged at the lower end of the air inlet pipe (42), the upper end of the air collecting frame (43) is fixedly connected with the upper wall of the suction frame (41) through a round rod, a round through hole is formed in the middle of the upper wall of the suction frame (41), a plurality of suction pipes (44) distributed in a rectangular array are obliquely arranged on the lower end face of the air collecting frame (43), thread teeth are arranged at the positions, close to the lower end, of the outer surface of each suction pipe (44), suction heads (45) are in threaded connection with the thread teeth, guide grooves are formed in the lower end face of the suction frame (41), a plurality of connecting springs (46) uniformly distributed in a rectangular manner are arranged on the upper groove walls of the guide grooves, lifting rods (47) are arranged at the lower ends of the connecting springs (46), and blocking cloth (48) is arranged between two adjacent lifting rods (47), the outer surfaces of the lifting rods (47) are connected with a rectangular soft board (49) together, a plurality of cleaning brushes which are uniformly distributed are arranged on the lower end face of the rectangular soft board (49), one end, far away from the air collecting frame (43), of the air inlet pipe (42) is provided with a connecting hose, the other end of the connecting hose is provided with an air pump (40), and the air pump (40) is arranged on the suction frame (41);

the rolling device (6) is installed including placing rectangular plate (61) of platform (1) upper end, a plurality of shifting chutes have all evenly been seted up in rectangular plate (61) up end left and right sides department, rectangular plate (61) upper end bilateral symmetry is provided with two trapezoidal slider (62), trapezoidal slider (62) and shifting chute sliding fit, rectangular plate (61) upper end is close to rear side department bilateral symmetry and installs two leading truck (63), leading truck (63) are back font structure, leading truck (63) middle part sliding connection has sliding block (64), gag lever post (65) are installed to sliding block (64) upper end, gag lever post (65) and leading truck (63) upper wall slip through cooperation, spacing through-hole has been seted up to leading truck (63) upper wall level, spacing through-hole interpolation has connect with limiting plate (66), set up a plurality of evenly distributed's spliced eye on gag lever post (65), two rotate jointly on sliding block (64) and be connected with rolling mechanism (67).

2. The automatic laser cutting machine for color steel plates according to claim 1, which is characterized in that: connecting device (3) include sliding connection and are in cut rectangle frame (31) on body (2), all seted up the rectangular channel on the terminal surface in the both sides wall about rectangle frame (31), sliding connection has pinch-off blades (33) in the rectangular channel, pinch-off blades (33) are kept away from the one end rotation of cutting body (2) and are connected with adjusting screw (32), adjusting screw (32) and rectangle frame (31) screw thread through connection, spliced pole (34) are all installed to rectangle frame (31) lower extreme four corners department, spliced pole (34) lower extreme and suction frame (41) fixed connection.

3. The automatic laser cutting machine for color steel plates according to claim 1, which is characterized in that: scraping device (5) is including installing connecting plate (51) on cutting body (2) has seted up a plurality of evenly distributed's rectangle through-hole on connecting plate (51), and rectangle through-hole inside sliding connection has L template (52), installs between L template (52) horizontal segment lower extreme and connecting plate (51) compression spring (53), and L template (52) lower extreme is provided with scrapes the sword.

4. The automatic laser cutting machine for color steel plates according to claim 1, which is characterized in that: rolling mechanism (67) is connected two including rotating dwang (671) on sliding block (64), a plurality of evenly distributed's inserting groove has been seted up to dwang (671) surface symmetry, and dwang (671) surface middle part cover is equipped with a plurality of evenly distributed's ring cover (673), and ring cover (673) are through screens post (672) joint in the inserting groove, and the equal bilateral symmetry cover in both sides department is equipped with moulds type cover (674) about dwang (671) surface, moulds type cover (674) and passes through screens post (672) joint in the inserting groove.

5. The automatic laser cutting machine for color steel plates according to claim 4, characterized in that: the circular ring sleeve (673) is formed by splicing and matching two first semicircular arc plates (6731), a first circular groove is formed in the inner surface of each first semicircular arc plate (6731), and the first circular groove is in clamping and matching with the clamping column (672).

6. The automatic laser cutting machine for color steel plates according to claim 4, characterized in that: the plastic sleeve (674) is formed by splicing and matching two second semicircular arc plates (6741), a second circular groove is formed in the inner surface of each second semicircular arc plate (6741), the second circular groove is in clamping fit with the clamping column (672), and inclined surfaces are formed in opposite surfaces of the second semicircular arc plates (6741) on the left side and the right side.

7. The automatic laser cutting machine for color steel plates according to claim 1, which is characterized in that: the absorption head (45) is of a horn-shaped structure, and the inner wall of the absorption head (45) is provided with a horn-shaped annular plate.

8. The automatic laser cutting machine for color steel plates according to claim 1, which is characterized in that: the lower end face of the lifting rod (47) is rotatably connected with a ball.