A laser cutting equipment for bridge steel formwork
By designing a laser cutting equipment for bridge steel formwork, the problem of the equipment being inconvenient to use on the construction site was solved. The equipment was miniaturized, stabilized, and cut efficiently, ensuring a stable cutting line and smoke discharge, thereby improving cutting efficiency and equipment lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-15
- Publication Date
- 2026-03-10
AI Technical Summary
Existing bridge steel plate cutting equipment is inconvenient to use on construction sites. The equipment is bulky and difficult to transport, and it is difficult to fix steel templates with uneven curvature, resulting in unstable cutting lines.
A laser cutting device for bridge steel formwork was designed, comprising a central fixing plate body, a drive assembly, an auxiliary support mechanism, a lateral positioning assembly, and an auxiliary smoke exhaust assembly. The device is miniaturized and stably fixed by means of a threaded drive shaft and a magnetic adsorption light shield. Combined with the laser cutting mechanism and a distance sensor, the cutting line is stable and smoke is efficiently exhausted.
It enables the equipment to be portable and stably fixed on the construction site, with straight cutting lines and effective smoke exhaust, thereby improving cutting efficiency and equipment lifespan.
Smart Images

Figure CN120862121B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of laser cutting, in particular to a bridge steel formwork laser cutting equipment. BACKGROUND
[0002] Plasma cutting is a processing method that uses the heat of high-temperature plasma arc to partially or locally melt (and evaporate) the metal at the workpiece cutting site, and uses the momentum of high-speed plasma to remove molten metal to form a cut. Bridge steel plates are essential workpieces in bridge construction projects, so plasma cutting machines are often used to cut them during the use of bridge steel plates to meet construction needs.
[0003] According to the search, the Chinese patent with the publication number CN211102093U discloses a bridge steel plate plasma cutting machine. The telescopic end of the electric telescopic extension is set to be telescopic, and the first gear and the first rack plate are engaged to drive the two first gears, the two rotating rollers and the four second gears to rotate in opposite directions. The four second gears and the four second rack plates are engaged to drive the four supporting columns to lift and lower the operation table, thereby increasing the practicality of the plasma cutting machine. The convex column is driven to rotate by the forward and reverse motor, and the transmission belt, the sliding rod and the second sliding block are set to cooperate with the clamping block, thereby facilitating the sliding of the second sliding block on the sliding rod, and facilitating the cutting of the steel plate in the X-axis direction. The fixed box and the sliding block are set to cooperate with the sliding groove, thereby facilitating the cutting of the steel plate in the Y-axis direction, and facilitating the omnidirectional cutting of the steel plate. However, there are still the following problems:
[0004] 1. The bridge steel plate is heavy, and it is not convenient to carry the steel plate to the machine table for cutting;
[0005] 2. The equipment is too large, and in actual bridge construction, cutting needs to be performed on the construction site, so the equipment is not convenient to transport to the site for cutting;
[0006] 3. Some steel forms in bridge construction, such as I-beams, have a certain arc at the bottom, and this equipment is not convenient to fix the steel formwork, and the vibration of the internal series of mechanical equipment will cause the cutting line to be unstable. SUMMARY
[0007] In view of the deficiencies of the prior art, the present application provides a bridge steel formwork laser cutting equipment, which mainly solves the problem of inconvenience in laser cutting on the construction site.
[0008] To achieve the above purpose, the present application provides the following technical scheme:
[0009] The utility model provides a bridge steel formwork laser cutting equipment, including the central fixed plate body, the middle part of central fixed plate body is provided with laser cutting mechanism, the side of central fixed plate body is provided with drive assembly that drives laser cutting mechanism reciprocating motion, the both sides of central fixed plate body are provided with auxiliary support mechanism, the both sides of central fixed plate body are inserted with transverse positioning assembly, and the lower part of transverse positioning assembly is provided with two fixed mechanisms, and the inside of central fixed plate body is provided with auxiliary smoke exhaust assembly.
[0010] As a further scheme of the utility model, the central fixed plate body is provided with a main cavity in the middle part, the drive assembly includes a drive motor detachably mounted on the outside of the central fixed plate body by bolts, the laser cutting mechanism includes a mounting pedestal provided with a threaded seat one, a bearing one is installed in the main cavity, a threaded drive shaft is rotatably connected to the main cavity through the bearing one, the threaded drive shaft is drivingly connected to the drive motor through a flat key, and the threaded drive shaft is threadedly connected to the threaded seat one.
[0011] As a further scheme of the utility model, the central fixed plate body is provided with a main cavity in the middle part, the drive assembly includes a drive motor detachably mounted on the outside of the central fixed plate body by bolts, the laser cutting mechanism includes a mounting pedestal provided with a threaded seat one, a bearing one is installed in the main cavity, a threaded drive shaft is rotatably connected to the main cavity through the bearing one, the threaded drive shaft is drivingly connected to the drive motor through a flat key, and the threaded drive shaft is threadedly connected to the threaded seat one.
[0012] As a further scheme of the utility model, the central fixed plate body is provided with a main cavity in the middle part, the drive assembly includes a drive motor detachably mounted on the outside of the central fixed plate body by bolts, the laser cutting mechanism includes a mounting pedestal provided with a threaded seat one, a bearing one is installed in the main cavity, a threaded drive shaft is rotatably connected to the main cavity through the bearing one, the threaded drive shaft is drivingly connected to the drive motor through a flat key, and the threaded drive shaft is threadedly connected to the threaded seat one.
[0013] As a further scheme of the utility model, the central fixed plate body is provided with a main cavity in the middle part, the drive assembly includes a drive motor detachably mounted on the outside of the central fixed plate body by bolts, the laser cutting mechanism includes a mounting pedestal provided with a threaded seat one, a bearing one is installed in the main cavity, a threaded drive shaft is rotatably connected to the main cavity through the bearing one, the threaded drive shaft is drivingly connected to the drive motor through a flat key, and the threaded drive shaft is threadedly connected to the threaded seat one.
[0014] As a further scheme of the utility model, the central fixed plate body is provided with a main cavity in the middle part, the drive assembly includes a drive motor detachably mounted on the outside of the central fixed plate body by bolts, the laser cutting mechanism includes a mounting pedestal provided with a threaded seat one, a bearing one is installed in the main cavity, a threaded drive shaft is rotatably connected to the main cavity through the bearing one, the threaded drive shaft is drivingly connected to the drive motor through a flat key, and the threaded drive shaft is threadedly connected to the threaded seat one.
[0015] As a further further scheme of the present application, the upper slide is provided with a threaded seat two, a threaded rod is threadedly connected to the threaded seat two, a fixed knob is welded to the upper end of the threaded rod, a protective thread is formed in the outer portion of the fixed knob, and a fixed block is rotatably connected to the lower end of the threaded rod through a bearing.
[0016] As a further further scheme of the present application, a positioning magnetic block is embedded in the upper end of the fixed block, and a side limiting plate is further arranged on the upper end of the fixed block, an inclined side supporting column is welded to the side of the side limiting plate, and the lower end of the side supporting column is welded to the upper surface of the fixed block.
[0017] As a further further scheme of the present application, the auxiliary smoke exhaust assembly comprises four groups of symmetrically arranged mounting grooves formed in the center fixed plate body, a smoke exhaust motor is mounted in the mounting groove, and a smoke exhaust fan is fixedly mounted on the output shaft of the smoke exhaust motor.
[0018] Compared with the prior art, the present application provides a bridge steel formwork laser cutting device, which has the following advantages:
[0019] 1、The present application can fix the entire cutting device to the I-beam or other ordinary steel plates erected through the cooperation of the lateral positioning assembly and the fixing mechanism, and the device is small, even if the steel to be cut shakes, but since the device is fixed to the steel formwork to be cut, the relative position between the two will not change due to the shaking of the steel plate to be cut, and the cutting line is straight and stable.
[0020] 2、The present application drives the laser cutting mechanism to cut along the cutting line through the driving assembly, the laser mechanism can move linearly along the threaded drive shaft, the cutting line is stable, and the outside of the center fixed plate body is provided with an auxiliary smoke exhaust assembly to exhaust the smoke generated by laser cutting, so that the laser cutting machine can maintain high cutting efficiency.
[0021] 3、The present application can fix the entire cutting device to the I-beam or other ordinary steel plates erected through the cooperation of the lateral positioning assembly and the fixing mechanism, and the present application can adjust the cutting point of the laser cutting machine body within a certain range by lifting the auxiliary supporting mechanism and sliding the center fixed plate body, which is convenient to use.
[0022] 4、The present application can support the middle part of the center fixed plate body through the compression spring in the auxiliary supporting mechanism, which can reduce the excessive deformation of the center fixed plate body due to its own weight under high temperature accumulation, and improve the service life of the device.
[0023] 5、The present application can identify the edge of the steel plate through the distance sensor at the lower part of the laser cutting mechanism, and the cutting will be automatically stopped when the distance sensor identifies that the distance in the opposite direction suddenly extends. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A front side perspective structural schematic view of a bridge steel formwork laser cutting equipment according to the present application;
[0025] Figure 2 A lower side perspective structural schematic view of a bridge steel formwork laser cutting equipment according to the present application;
[0026] Figure 3 A front side perspective structural schematic view of a bridge steel formwork laser cutting equipment center fixed plate body according to the present application; Figure 2 An enlarged structural schematic view of A part of the bridge steel formwork laser cutting equipment according to the present application;
[0027] Figure 4 A front side perspective structural schematic view of a bridge steel formwork laser cutting equipment center fixed plate body according to the present application;
[0028] Figure 5 A front side perspective structural schematic view of a bridge steel formwork laser cutting equipment auxiliary support mechanism according to the present application;
[0029] Figure 6 A front side perspective structural schematic view of a bridge steel formwork laser cutting equipment lateral positioning assembly according to the present application;
[0030] Figure 7 A front side perspective structural schematic view of a bridge steel formwork laser cutting equipment fixed mechanism according to the present application.
[0031] In the figure: 1, center fixed plate body; 2, laser cutting mechanism; 3, auxiliary support mechanism; 4, lateral positioning assembly; 5, fixed mechanism; 6, auxiliary smoke exhaust assembly; 10, driving assembly; 101, main cavity; 102, driving motor; 103, plug-in cavity; 201, mounting top seat; 202, threaded seat one; 203, bearing one; 204, threaded driving shaft; 205, light shield plate; 206, laser cutting machine body; 207, distance sensor; 301, top support part; 302, compression spring; 303, support rod; 304, support base; 401, plug-in plate; 402, lateral adjustment part; 403, limiting groove; 501, upper sliding seat; 502, limiting strip; 503, tension spring; 504, threaded seat two; 505, threaded rod; 506, fixed knob; 507, fixed block; 508, positioning magnetic block; 509, side limiting plate; 510, side support column; 601, mounting groove; 602, smoke exhaust motor; 603, smoke exhaust fan. DETAILED DESCRIPTION
[0032] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the embodiments and in conjunction with the drawings. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.
[0033] The numbers of components in the present application, such as "first", "second", etc., are used only to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "coupling" in the present application include direct and indirect connection (coupling) unless otherwise specified. In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0034] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0035] Referring to Figures 1-7 A bridge steel formwork laser cutting device comprises a center fixed plate body 1, a laser cutting mechanism 2 with a light shielding function is arranged in the middle of the center fixed plate body 1, a driving assembly 10 for driving the laser cutting mechanism 2 to reciprocate is arranged on the side of the center fixed plate body 1, auxiliary support mechanisms 3 are arranged on both sides of the center fixed plate body 1, transverse positioning assemblies 4 for positioning before fixing are inserted into both sides of the center fixed plate body 1, the laser cutting mechanism 2 can be adjusted in position for next cutting by horizontal sliding of the center fixed plate body 1, two fixing mechanisms 5 for fixing before cutting are arranged on the lower part of the transverse positioning assembly 4, and auxiliary smoke exhaust assemblies 6 are arranged in the center fixed plate body 1.
[0036] In particular, the central fixed plate body 1 is provided with a main cavity 101 in the middle, the driving assembly 10 comprises a driving motor 102 detachably mounted outside the central fixed plate body 1 through bolts, the laser cutting mechanism 2 comprises a mounting seat 201, the mounting seat 201 is provided with a threaded seat 202, a bearing 203 is installed in the main cavity 101, the threaded driving shaft 204 is rotatably connected in the main cavity 101 through the bearing 203, the threaded driving shaft 204 is drivingly connected with the driving motor 102 through a flat key, and the threaded driving shaft 204 is threadedly connected with the threaded seat 202, and the laser cutting mechanism 2 is driven to move transversely to cut the steel formwork fixed below through cooperation of the threaded driving shaft 204 and the threaded seat 202.
[0037] It should be noted that the main cavity 101 of the central fixed plate body 1 is fixed with a light shield 205 above through magnetic adsorption, the light shield 205 can prevent high-brightness laser generated in the laser cutting process from being reflected to the eyes of the workers to adversely affect the vision, the light shield 205 can be directly removed for subsequent maintenance, and the laser cutting machine body 206 and the distance sensor 207 are fixedly installed below the mounting seat 201, the connection lines of the laser cutting machine body 206 and the distance sensor 207 are parallel to the central fixed plate body 1, and the distance sensor 207 can identify the edge of the steel plate, and the laser cutting machine body 206 and the driving motor 102 are automatically stopped when the distance sensor 207 identifies that the distance in the directly opposite direction is suddenly lengthened.
[0038] In particular, the auxiliary support mechanism 3 is symmetrically provided with four groups, the auxiliary support mechanism 3 comprises a top support part 301 integrally formed on both sides of the central fixed plate body 1, a compression spring 302 is welded in the top support part 301, a support rod 303 is installed at the lower part of the top support part 301, one end of the compression spring 302 away from the top support part 301 is welded and fixed with the upper end of the support rod 303, and a support base 304 is integrally formed at the lower end of the support rod 303, the central part of the central fixed plate body 1 is supported by the compression spring 302 in the auxiliary support mechanism 3, so that the excessive deformation of the central fixed plate body 1 due to its own weight under high temperature accumulation can be reduced.
[0039] It should be noted that the transverse positioning assembly 4 comprises a plug plate 401, plug cavities 103 are formed on both sides of the central fixed plate body 1, the plug plate 401 is slidably inserted into both sides of the central fixed plate body 1 through the plug cavities 103, a transverse adjusting part 402 is integrally formed at the end of the plug plate 401, and a fixing mechanism 5 is slidably connected to the inside of the transverse adjusting part 402, the device is small in overall volume when the plug plate 401 is completely inserted into the central fixed plate body 1, is convenient to carry to the construction site for use, and can be unfolded according to the cutting range of the steel plate, so that the cutting point can be adjusted for multiple cutting of a single plate.
[0040] In particular, the two sides of the transverse adjusting part 402 are provided with two groups of symmetrically arranged limiting grooves 403, the fixing mechanism 5 comprises an upper sliding seat 501, the two sides of the upper sliding seat 501 are integrally provided with limiting strips 502, the upper sliding seat 501 is slidably connected into the transverse adjusting part 402 through the limiting strips 502, and the two groups of upper sliding seats 501 are welded and fixed with tensile springs 503, so that the two fixing mechanisms 5 can be tightly attached to the side of the steel mold plate to be cut, and subsequent fixing is facilitated.
[0041] It should be noted that the upper sliding seat 501 is provided with a threaded seat two 504, the threaded seat two 504 is threadedly connected with a threaded rod 505, the upper end of the threaded rod 505 is welded with a fixed knob 506, the outer part of the fixed knob 506 is provided with a protective thread, the lower end of the threaded rod 505 is rotatably connected with a fixed block 507 through a bearing, by rotating the fixed knob 506, the fixed block 507 is lifted upwards, the upper surface of the fixed block 507 presses the lower edge of the steel plate, and further rotation generates sufficient static friction to complete the whole fixing process.
[0042] In particular, the upper end of the fixed block 507 is embedded with a positioning magnetic block 508, the positioning magnetic block 508 can generate an attractive force when the fixed block 507 gradually approaches the lower edge of the steel plate, preventing the fixed block 507 and the steel plate from rotating during the fixing process, and the upper end of the fixed block 507 is also provided with a side limiting plate 509, which can cooperate with the positioning magnetic block 508 to prevent the fixed block 507 from rotating, and also can support the side of the steel mold plate, the side of the side limiting plate 509 is welded with an inclined side supporting column 510, the lower end of the side supporting column 510 is welded to the upper surface of the fixed block 507, and the side supporting column 510 can improve the structural strength of the side limiting plate 509.
[0043] It should be noted that the auxiliary smoke exhaust assembly 6 comprises four groups of symmetrically arranged installation grooves 601 formed in the center fixed plate body 1, smoke exhaust motors 602 are installed in the installation grooves 601, the smoke exhaust motors 602 are arranged in parallel, and smoke exhaust fans 603 are fixedly installed on the output shafts of the smoke exhaust motors 602, so that the smoke and high-temperature gas generated during cutting in the main cavity 101 can be exhausted, and the laser cutting machine body 206 and the distance sensor 207 can normally function.
[0044] The application is divided into the following steps when in use:
[0045] S1: After the device is carried to the construction site, preparation before cutting operation can be carried out according to the material to be cut, if the steel mold plate to be cut is an I-shaped steel, it is not necessary to erect, and if it is a different plane steel bar, the part to be cut needs to be erected;
[0046] S2: according to the range to be cut, pull out the plug-in plate 401, pull the fixed mechanism 5 on both sides outward, so that the fixed block 507 is located below the steel template to be cut;
[0047] S3: rotate the fixed knob 506, so that the fixed block 507 is lifted upward, the upper surface of the fixed block 507 presses the lower edge of the steel plate, further rotating the fixed knob 506 generates enough static friction to complete the whole process of fixing;
[0048] S4: remove the light shield plate 205, and observe whether the cutting point is located directly below the laser cutting machine body 206, if not, lift the support base 304 in the auxiliary support mechanism 3, and slide the center fixed plate body 1 to adjust the position;
[0049] S5: after the position is adjusted, first start the driving motor 102 to make the laser cutting machine body 206 run to the edge of the steel template, then cover the light shield plate 205, and start the laser cutting machine body 206 and the driving motor 102 to cut;
[0050] S6: when multiple sections need to be cut, repeat the steps S4 and S5 to adjust the laser cutting machine body 206 to perform secondary cutting, and after cutting is completed, the device is completely cooled before being removed.
[0051] The technical features of the above embodiments can be combined in any manner. To make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not contradict, they should be considered as the scope of the present application.
[0052] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A bridge steel template laser cutting device comprising a center fixed plate body (1), characterized in that, The middle part of the center fixed plate body (1) is provided with a laser cutting mechanism (2), the side part of the center fixed plate body (1) is provided with a driving assembly (10) for driving the laser cutting mechanism (2) to reciprocate, the two sides of the center fixed plate body (1) are provided with auxiliary supporting mechanisms (3), the two sides of the center fixed plate body (1) are inserted with transverse positioning assemblies (4), the lower part of the transverse positioning assembly (4) is provided with two fixing mechanisms (5), and the center fixed plate body (1) is provided with an auxiliary smoke exhaust assembly (6); The auxiliary supporting mechanisms (3) are symmetrically provided with four groups, the auxiliary supporting mechanisms (3) comprise top supporting parts (301) integrally formed on the two sides of the center fixed plate body (1), the top supporting parts (301) are welded with compression springs (302) therein, the lower part of the top supporting part (301) is provided with a supporting rod (303), one end of the compression spring (302) away from the top supporting part (301) is welded and fixed with the upper end of the supporting rod (303), and the lower end of the supporting rod (303) is integrally formed with a supporting base (304); The transverse positioning assembly (4) comprises an insertion plate (401), the two sides of the center fixed plate body (1) are provided with insertion cavities (103), the insertion plate (401) is slidably inserted into the two sides of the center fixed plate body (1) through the insertion cavities (103), and the end part of the insertion plate (401) is integrally formed with a transverse adjusting part (402); The two sides of the transverse adjusting part (402) are provided with two groups of symmetrically arranged limiting grooves (403), the fixing mechanism (5) comprises an upper sliding seat (501), the two sides of the upper sliding seat (501) are integrally formed with limiting strips (502), the upper sliding seat (501) is slidably connected into the transverse adjusting part (402) through the limiting strips (502), and the two groups of upper sliding seats (501) are welded and fixed with a tensile spring (503) therebetween; The upper sliding seat (501) is provided with a threaded seat two (504), the threaded seat two (504) is threadedly connected with a threaded rod (505), the upper end of the threaded rod (505) is welded with a fixed knob (506), the outer part of the fixed knob (506) is provided with a protective thread, and the lower end of the threaded rod (505) is rotatably connected with a fixed block (507) through a bearing; The upper end of the fixed block (507) is embedded with a positioning magnetic block (508), and the upper end of the fixed block (507) is also provided with a side limiting plate (509), the side part of the side limiting plate (509) is welded with an inclined side supporting column (510), and the lower end of the side supporting column (510) is welded to the upper surface of the fixed block (507).
2. A bridge steel template laser cutting apparatus according to claim 1, characterized in that, The central fixed plate body (1) is provided with a main cavity (101) in the middle, the driving assembly (10) comprises a driving motor (102) which is detachably mounted on the outside of the central fixed plate body (1) through bolts, the laser cutting mechanism (2) comprises a mounting top seat (201), the mounting top seat (201) is provided with a threaded seat one (202), the main cavity (101) is provided with a bearing one (203), the main cavity (101) is rotatably connected with a threaded driving shaft (204) through the bearing one (203), the threaded driving shaft (204) is drivingly connected with the driving motor (102) through a flat key, and the threaded driving shaft (204) is threadedly connected with the threaded seat one (202).
3. A bridge steel form laser cutting apparatus according to claim 2, wherein, The central fixed plate body (1) is provided with a main cavity (101) in the middle, the driving assembly (10) comprises a driving motor (102) which is detachably mounted on the outside of the central fixed plate body (1) through bolts, the laser cutting mechanism (2) comprises a mounting top seat (201), the mounting top seat (201) is provided with a threaded seat one (202), the main cavity (101) is provided with a bearing one (203), the main cavity (101) is rotatably connected with a threaded driving shaft (204) through the bearing one (203), the threaded driving shaft (204) is drivingly connected with the driving motor (102) through a flat key, and the threaded driving shaft (204) is threadedly connected with the threaded seat one (202).
4. The bridge steel form laser cutting apparatus of claim 1, wherein, The auxiliary smoke exhaust assembly (6) comprises four groups of symmetrically arranged mounting grooves (601) formed on the central fixed plate body (1), the mounting grooves (601) are provided with smoke exhaust motors (602), and the output shafts of the smoke exhaust motors (602) are fixedly provided with smoke exhaust fans (603).
Citation Information
Patent Citations
Bridge steel plate plasma cutting machine
CN211102093U
High-altitude intense laser drilling device for electric power iron tower
CN119870762A