阅读说明：本技术 一种桥架切割加工机床控制方法 (Control method of bridge cutting and processing machine tool ) 是由 徐俊儒 于 2021-04-25 设计创作，主要内容包括：本发明公开了一种桥架切割加工机床控制方法,本发明包括：S1、获取待加工桥架的加工数据,所述加工数据包括桥架规格参数、桥架的加工长度、桥架侧板的切割角度及位置和桥架底板的切割角度及位置；S2、依据获取的加工数据将桥架送入加工机床内设定长度,并通过支撑装置进行夹紧；S3、依据获取的桥架侧板的切割线角度及位置和桥架底板的切割线角度及位置将每组切割组件的第一移动单元与第二移动单元移动至切割位置；S4、依据桥架规格参数控制切割机沿伸缩杆移动进行设定深度的切割。本发明的控制方法能够不仅能够代替人工的切割作业,降低桥架的加工时间,提升加工效率,而且能够实现精确的切割,便于尺寸的准确控制,还方便了切割后的拼接作业。(The invention discloses a control method of a bridge cutting and processing machine tool, which comprises the following steps: s1, obtaining processing data of the bridge to be processed, wherein the processing data comprises bridge specification parameters, bridge processing length, bridge side plate cutting angles and positions and bridge bottom plate cutting angles and positions; s2, sending the bridge frame into a processing machine tool according to the acquired processing data to set the length, and clamping the bridge frame through a supporting device; s3, moving the first moving unit and the second moving unit of each group of cutting assemblies to cutting positions according to the obtained cutting line angles and positions of the bridge side plates and the bridge bottom plates; and S4, controlling the cutting machine to move along the telescopic rod according to the specification parameters of the bridge frame to cut by a set depth. The control method can replace manual cutting operation, reduce the processing time of the bridge frame, improve the processing efficiency, realize accurate cutting, facilitate accurate size control and facilitate splicing operation after cutting.)

1. A control method of a bridge cutting and processing machine tool comprises a cutting device and a supporting device, wherein the cutting device comprises cutting assemblies corresponding to three planes of a bridge, each cutting assembly comprises a first moving unit, a second moving unit, a telescopic rod arranged between the first moving unit and the second moving unit and a cutting machine arranged on the telescopic rod, and the cutting machine is connected with a driving assembly for driving the cutting machine to move along the telescopic rod;

the method is characterized in that: the method comprises the following steps:

s1, obtaining processing data of the bridge to be processed, wherein the processing data comprises bridge specification parameters, bridge processing length, bridge side plate cutting angles and positions and bridge bottom plate cutting angles and positions;

s2, sending the bridge frame into a processing machine tool according to the acquired processing data to set the length, and clamping the bridge frame through a supporting device;

s3, moving the first moving unit and the second moving unit of each group of cutting assemblies to cutting positions according to the obtained cutting line angles and positions of the bridge side plates and the bridge bottom plates;

and S4, controlling the cutting machine to move along the telescopic rod according to the specification parameters of the bridge frame to cut by a set depth.

2. The bridge cutting machine tool control method of claim 1, characterized in that: a grating ruler is arranged on the tracks of the first moving unit and the second moving unit of each group of cutting assemblies and used for positioning the positions of the first moving unit and the second moving unit;

a coordinate system is established along the length direction of the grating ruler, the direction from the feeding direction to the discharging direction is defined as the positive direction, two ends of the cutting line respectively correspond to a first coordinate and a second coordinate, the first coordinate corresponds to the moving position of the first moving unit, and the second coordinate corresponds to the position of the second moving unit.

3. The bridge cutting machine tool control method of claim 2, characterized in that: the processing machine tool is provided with a feeding device, and a light sensor is arranged on the feeding device;

when the crane span structure sent into the machine tool, light sensor detected the crane span structure and was sent into to carry out distance calculation, and the crane span structure sends into the process that sets for length in the machine tool and includes:

s201, determining a starting coordinate and a tail end coordinate of each cutting line, when the first coordinate is larger than the second coordinate, taking the first coordinate as the tail end coordinate, taking the second coordinate as the starting coordinate, otherwise, taking the first coordinate as the starting coordinate, and taking the second coordinate as the tail end coordinate;

s202, calculating the feeding distance of the bridge, wherein the feeding length of the bridge is the coordinate value of the tail end plus a set margin value;

and S203, controlling the feeding device to carry out length conveying according to the calculated conveying distance of the bridge frame.

4. The bridge cutting machine tool control method of claim 3, characterized in that: when the cutting lines on the bottom plate of the bridge and the two side plates of the bridge are intersected, the cutting lines are judged to be at the same cutting position, the feeding length of the bridge is calculated at the same cutting position, and the maximum value of the feeding distances of the bridge from the three groups of cutting line bridges calculated in the step S202 is taken as the feeding distance of the cutting position;

the cutting lines in the same direction are processed in sequence at the positions on the bridge frame.

5. The bridge cutting machine tool control method of claim 4, wherein: in step S3, the process of moving the first moving unit and the second moving unit to the cutting position includes:

s301, acquiring current positions of a first mobile unit and a second mobile unit;

s302, calculating a difference value between the current position and the cutting position of the first mobile unit and a difference value between the current position and the cutting position of the second mobile unit, wherein the first mobile unit moves to the cutting position and adds a set margin value to a first coordinate, and the second mobile unit moves to the cutting position and adds a set margin value to a second coordinate;

and S303, controlling the first moving unit and the second moving unit to move to corresponding cutting positions respectively.

6. The bridge cutting machine tool control method of claim 5, wherein: when the machine tool is shut down, the first moving unit and the second moving unit of each group of cutting assemblies are reset to initial positions, the initial positions are end positions of the moving rails, and when the machine tool is started to execute cutting operation, the machine tool is moved to a cutting set position from the initial positions;

when the processing machine tool is in a continuous processing state, the first moving unit and the second moving unit directly move from the previous processing position to the next cutting setting position.

7. The bridge cutting machine tool control method of claim 1, characterized in that: the three groups of cutting assemblies are respectively a bottom plate cutting assembly, a first side plate cutting assembly and a second side plate cutting assembly, in the step S4, the first side plate cutting assembly is cut from bottom to top when cutting is carried out, the bottom plate cutting assembly is cut from one side close to the first side plate cutting assembly to one side close to the second side plate cutting assembly, and the second side plate cutting assembly is cut from top to bottom.

8. The bridge cutting machine tool control method of claim 7, wherein: the first side plate cutting assembly and the second side plate cutting assembly are both connected with a width adjusting assembly;

according to the acquired bridge specification parameters, the first side plate cutting assembly and the second side plate cutting assembly are moved to a set distance position through the width adjusting assembly, one bridge specification size is selected as a reference size, if the acquired width of the bridge to be processed is larger than the reference size, the width adjusting assembly moves the first side plate cutting assembly and the second side plate cutting assembly by corresponding difference distance, when the difference distance is positive, the distance between the first side plate cutting assembly and the second side plate cutting assembly is increased, and when the difference distance is negative, the distance between the first side plate cutting assembly and the second side plate cutting assembly is decreased.

9. The bridge cutting machine tool control method of claim 1, characterized in that: each group of supporting devices comprises a bottom plate supporting assembly, a first side plate support and a second side plate support, the bottom plate supporting assembly comprises an upper fixed supporting bracket and a lower movable supporting bracket, the lower movable supporting bracket is connected with a driving assembly for driving the lower interactive supporting bracket to move, and the first side plate support comprises an inner movable supporting bracket and an outer movable supporting bracket which are both connected with a driving assembly for driving the corresponding supporting brackets to move;

in step S2, the process of clamping the bridge by the supporting device includes: the bridge is jacked to the upper fixed support through the lower movable support, and meanwhile, the inner movable support and the outer movable support act simultaneously to clamp a bottom plate and a side plate of the bridge respectively.

10. The bridge cutting machine tool control method of claim 9, wherein: the inner support bracket is arranged on the lower movable support bracket in a sliding mode, and the bottom plate support assembly, the first side plate support and the second side plate support are clamped simultaneously.

Technical Field

The invention relates to the technical field of bridge frame machining, in particular to a control method of a bridge frame cutting and machining machine tool.

Background

The bridge is generally used as a carrier for cable laying in the existing building, the bridge is also called as a metal wire slot, the bridge is arranged at the top of each layer of the building at intervals through a plurality of supports, in the laying process, the bridge needs to be arranged according to the structure in the building, generally, in a building construction site, a semi-finished product with a certain length processed by a manufacturer is basically used for secondary processing, the time for manually manufacturing a bridge Z-shaped bend or an oblique bend through member by a skilled operator is 20 to 30 minutes according to observation statistics of the construction site due to the complex structure of a plurality of engineering bodies or the spatial layout of implementation parts, the application of finished members such as a vertical bend, a vertical tee and the like is limited, most of the finished members are processed and manufactured on site, the time is longer, the efficiency is lower, most of the time is consumed in measurement and cutting procedures, and the existing large-scale numerical control machine has certain limitation in bridge processing, has the problem of inconvenient processing.

Disclosure of Invention

The invention aims to overcome the defects and provides a control method of a bridge cutting and processing machine tool, which is used for processing a bridge on a construction site and improving the processing accuracy and the processing efficiency.

The technical scheme adopted by the invention is as follows:

the invention provides a control method of a bridge cutting and processing machine tool, wherein the bridge cutting and processing machine tool comprises a cutting device and a supporting device, the cutting device comprises cutting assemblies corresponding to three planes of a bridge, each cutting assembly comprises a first moving unit, a second moving unit, a telescopic rod arranged between the first moving unit and the second moving unit and a cutting machine arranged on the telescopic rod, and the cutting machine is connected with a driving assembly for driving the cutting machine to move along the telescopic rod;

the method comprises the following steps:

s1, obtaining processing data of the bridge to be processed, wherein the processing data comprises bridge specification parameters, bridge processing length, bridge side plate cutting angles and positions and bridge bottom plate cutting angles and positions;

s2, sending the bridge frame into a processing machine tool according to the acquired processing data to set the length, and clamping the bridge frame through a supporting device;

s3, moving the first moving unit and the second moving unit of each group of cutting assemblies to cutting positions according to the obtained cutting line angles and positions of the bridge side plates and the bridge bottom plates;

and S4, controlling the cutting machine to move along the telescopic rod according to the specification parameters of the bridge frame to cut by a set depth.

As a further optimization, grating rulers are arranged on the tracks of the first moving unit and the second moving unit of each group of cutting assembly, and the grating rulers are used for positioning the positions of the first moving unit and the second moving unit;

a coordinate system is established along the length direction of the grating ruler, the direction from the feeding direction to the discharging direction is defined as the positive direction, two ends of the cutting line respectively correspond to a first coordinate and a second coordinate, the first coordinate corresponds to the moving position of the first moving unit, and the second coordinate corresponds to the position of the second moving unit.

As further optimization, the processing machine tool is provided with a feeding device, and the feeding device is provided with a light sensation sensor;

when the crane span structure sent into the machine tool, light sensor detected the crane span structure and was sent into to carry out distance calculation, and the crane span structure sends into the process that sets for length in the machine tool and includes:

s201, determining a starting coordinate and a tail end coordinate of each cutting line, when the first coordinate is larger than the second coordinate, taking the first coordinate as the tail end coordinate, taking the second coordinate as the starting coordinate, otherwise, taking the first coordinate as the starting coordinate, and taking the second coordinate as the tail end coordinate;

s202, calculating the feeding distance of the bridge, wherein the feeding length of the bridge is the coordinate value of the tail end plus a set margin value;

and S203, controlling the feeding device to carry out length conveying according to the calculated conveying distance of the bridge frame.

As a further optimization, when the cutting lines on the bottom plate of the bridge and the two side plates of the bridge are intersected, the cutting line is judged to be at the same cutting position, the feeding length of the bridge is calculated at the same cutting position, and the maximum value of the feeding lengths of the bridge from the three groups of cutting line bridge feeding distances calculated in the step S202 is taken as the feeding distance of the cutting position;

the cutting lines in the same direction are processed in sequence at the positions on the bridge frame.

As a further optimization, in step S3 of the present invention, the process of moving the first moving unit and the second moving unit to the cutting position includes:

s301, acquiring current positions of a first mobile unit and a second mobile unit;

s302, calculating a difference value between the current position and the cutting position of the first mobile unit and a difference value between the current position and the cutting position of the second mobile unit, wherein the first mobile unit moves to the cutting position and adds a set margin value to a first coordinate, and the second mobile unit moves to the cutting position and adds a set margin value to a second coordinate;

and S303, controlling the first moving unit and the second moving unit to move to corresponding cutting positions respectively.

As a further optimization, when the machine tool is turned off, the first moving unit and the second moving unit of each group of cutting assemblies are at initial positions where the first moving unit and the second moving unit are returned, the initial positions are end positions of the moving track, and when the machine tool is turned on to execute cutting operation, the machine tool is moved from the initial positions to cutting set positions;

when the processing machine tool is in a continuous processing state, the first moving unit and the second moving unit directly move from the previous processing position to the next cutting setting position.

As a further optimization, the three groups of cutting assemblies are respectively a bottom plate cutting assembly, a first side plate cutting assembly and a second side plate cutting assembly, in step S4, the first side plate cutting assembly cuts from bottom to top when cutting is performed, the bottom plate cutting assembly cuts from a side close to the first side plate cutting assembly to a side close to the second side plate cutting assembly, and the second side plate cutting assembly cuts from top to bottom.

As a further optimization, the first side plate cutting assembly and the second side plate cutting assembly are both connected with a width adjusting assembly;

according to the acquired bridge specification parameters, the first side plate cutting assembly and the second side plate cutting assembly are moved to a set distance position through the width adjusting assembly, one bridge specification size is selected as a reference size, if the acquired width of the bridge to be processed is larger than the reference size, the width adjusting assembly moves the first side plate cutting assembly and the second side plate cutting assembly by corresponding difference distance, when the difference distance is positive, the distance between the first side plate cutting assembly and the second side plate cutting assembly is increased, and when the difference distance is negative, the distance between the first side plate cutting assembly and the second side plate cutting assembly is decreased.

As a further optimization, two groups of supporting devices are respectively arranged at the material inlet end and the material outlet end, each group of supporting devices comprises a bottom plate supporting assembly, a first side plate support and a second side plate support, the bottom plate supporting assembly comprises an upper fixed supporting bracket and a lower movable supporting bracket, the lower movable supporting bracket is connected with a driving assembly for driving the lower interactive supporting bracket to move, and the first side plate support comprises an inner movable supporting bracket and an outer movable supporting bracket which are both connected with a driving assembly for driving the corresponding supporting brackets to move;

in step S2, the process of clamping the bridge by the supporting device includes: the bridge is jacked to the upper fixed support through the lower movable support, and meanwhile, the inner movable support and the outer movable support act simultaneously to clamp a bottom plate and a side plate of the bridge respectively.

As a further optimization, the inner support bracket is slidably arranged on the lower movable support bracket, and the bottom plate support assembly, the first side plate support and the second side plate support are clamped simultaneously.

The invention has the following advantages:

1. the control method can replace manual cutting operation, reduce the processing time of the bridge frame, improve the processing efficiency, realize accurate cutting, facilitate accurate control of the size and facilitate splicing operation after cutting;

2. the control method controls the length of the bridge frame sent into the processing machine tool by positioning the cutting line, and the bridge frame is of a cantilever structure after extending into the processing machine tool and being clamped by the supporting device, so that the length of the bridge frame extending into the processing machine tool is controlled to avoid deformation of the bridge frame in the processing process;

3. the control method judges whether the cutting lines on the three processing surfaces are intersected or not by analyzing whether the cutting lines on the three processing surfaces are at the same processing position, and the cutting assemblies on the three processing surfaces at the same processing position generally operate simultaneously, so that the processing efficiency is reduced due to multiple feeding and processing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram of a bridge cutting machine;

FIG. 2 is a schematic view of the bridge processing (dashed lines represent cut lines);

fig. 3 is a schematic diagram of the splice after bridge processing.

Wherein: 1. the device comprises a first moving unit, a cutter, 3, a telescopic rod, 4, a second moving unit, 5, a feeding device, 6, a bridge frame, 6-1, a first bridge frame side plate, 6-2, a bridge frame bottom plate, 6-3 and a second bridge frame side plate.

Detailed Description

The present invention is further described in the following with reference to the drawings and the specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention, and the embodiments and the technical features of the embodiments can be combined with each other without conflict.

It is to be understood that the terms first, second, and the like in the description of the embodiments of the invention are used for distinguishing between the descriptions and not necessarily for describing a sequential or chronological order. The "plurality" in the embodiment of the present invention means two or more.

The term "and/or" in the embodiment of the present invention is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, B exists alone, and A and B exist at the same time. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

The embodiment provides a control method of a bridge cutting machine, as shown in fig. 1, the bridge cutting machine comprises a cutting device and a supporting device (not shown), the cutting device comprises cutting assemblies corresponding to three planes of a bridge, the three groups of cutting assemblies are respectively a bottom plate cutting assembly, a first side plate cutting assembly and a second side plate cutting assembly, each group of cutting assemblies comprises a first moving unit 1, a second moving unit 4, a telescopic rod 3 arranged between the first moving unit 1 and the second moving unit 4 and a cutting machine 2 arranged on the telescopic rod 3, the cutting machine 2 can be a telescopic saw blade cutting machine, the cutting machine can also be a laser cutting machine, the cost of the telescopic saw blade cutting machine is lower, but the telescopic saw blade cutting machine can cause deformation of the bridge 6, the laser cutting machine 2 is easier to operate, and the bridge 6 cannot be deformed, but the use cost is higher, the cutting machine 2 is connected with a driving assembly for driving the cutting machine 2 to move along the telescopic rod 3, the inclination angle of the telescopic rod 3 is adjusted through the positions of the first moving unit 1 and the second moving unit 4, as the cutting machine 2 slides along the telescopic rod 3, the cutting angle of the cutting machine 2 is further adjusted, grating rulers are uniformly arranged on the tracks of the first moving unit 1 and the second moving unit 4 of each group of cutting assemblies, the grating rulers are used for positioning the positions of the first moving unit 1 and the second moving unit 4, a coordinate system is established along the length direction of the grating rulers, and the direction from the feeding direction to the discharging direction is defined as the forward direction;

the bridge frame 6 is a groove-shaped mechanism, namely, the groove-shaped mechanism comprises a bridge frame bottom plate 6-2, a first bridge frame side plate 6-1 and a second bridge frame side plate 6-3 which are positioned on two sides of the bridge frame bottom plate 6-2, and the first bridge frame side plate 6-1, the bridge frame bottom plate 6-2 and the second bridge frame side plate 6-3 are generally integrally formed.

Specifically, the control method includes:

s1, acquiring processing data of the bridge 6 to be processed, wherein the processing data comprises specification parameters of the bridge 6, processing length of the bridge 6, position and angle of cutting lines of bridge side plates and position and angle of cutting lines of a bridge bottom plate 6-2;

the method for obtaining the processing data of the bridge 6 is carried out in a man-machine interaction mode, a user inputs the processing data through a man-machine interaction device, the bridge 6 on a common construction site is a semi-finished product of two meters or three meters, the specification and the size of the bridge 6 are specific, the specification and the size of the bridge 6 are prefabricated in a control system for convenient operation, and a worker only needs to select the corresponding specification when carrying out the man-machine operation; the processing length of the bridge frame 6 is the length of the adopted semi-finished product, and is generally two meters to three meters as described above, the position of the cutting line of the bridge frame 6 is positioned by taking the distance from one end of the cutting line to the feeding end of the bridge frame 6 as a first coordinate, the distance from the end to the feeding end of the bridge frame 6 is taken as a first coordinate, the angle setting is matched, the positioning distance from the other end of the cutting line can be automatically obtained, the distance from the end to the feeding end of the bridge frame 6 is taken as a second coordinate, on the same cutting plane, the first coordinate corresponds to the first moving unit 1, and the second coordinate corresponds to the second moving unit 4;

s2, sending the bridge 6 into the processing machine tool according to the obtained processing data to set the length, clamping the bridge 6 through the supporting device, precisely controlling the length of the bridge 6 sent into the processing machine tool through the feeding device 5, arranging the light sensor on the feeding device 5, wherein the light sensor generally comprises an emitter and a receiver, arranging the emitter and the receiver on two sides of the feeding channel, when the bridge 6 does not carry out feeding, the receiver can receive light sent by the emitter, when the bridge 6 carries out feeding, the light sent by the emitter is shielded by the bridge 6, and the receiver can not receive the light and is used as a starting signal to carry out feeding length calculation through the rotating speed of the feeding device 5, wherein, the selection of the coordinate origin, the installation position of the feeding device 5 and the installation position of the light sensor can influence the change of the calculation scheme, and the selection of the coordinate origin is the track end of the first moving unit 1 and the second moving unit 4, the actual feeding distance of the bridge 6 needs a system to calculate the distance between the distance planing feeding device 5 and the end part of the track, when the light sensor is arranged at the inner side of the feeding device 5, the distance between the light sensor and the feeding device 5 needs to be added, the light sensor is arranged at the outer side of the feeding device 5, the distance between the light sensor and the feeding device 5 needs to be subtracted, if the distance between the feeding device 5 and the end part of the track is 0.3m, the light sensor is arranged at the position of 0.1m outside the feeding device 5, when the bridge 6 does not reach the feeding device 5 during feeding, the light sensor is already activated, the calculation is started inside the system, whereas the actual bridge 6 feed-in length is-0.1 m, when the end of the bridge 6 is fed into the end of the track, i.e. the origin of the defined coordinate system is reached, the system calculates the distance to be 0.4m, and the length of the actual bridge 6 fed into the coordinate system is 0;

specifically, the process of sending the bridge 6 into the processing machine tool for setting the length comprises the following steps:

s201, determining a starting coordinate and a tail end coordinate of each cutting line, when the first coordinate is larger than the second coordinate, taking the first coordinate as the tail end coordinate, taking the second coordinate as the starting coordinate, otherwise, taking the first coordinate as the starting coordinate, and taking the second coordinate as the tail end coordinate;

s202, calculating the feeding distance of the bridge 6, wherein the feeding length of the bridge 6 is the coordinate value of the tail end plus a set margin value;

and S203, controlling the feeding device 5 to carry out length conveying according to the calculated feeding distance of the bridge 6.

Since during the process of manufacturing the bridge frame 6, as shown in fig. 2, the two side plates and the bottom plate of the bridge frame 6 are cut at the same time, in order to avoid the situation that the coordinate positions of the bridge side plate and the bridge bottom plate 6-2 are not uniform to cause the repeated positioning when different cutting surfaces are processed, when there is an intersection of the cutting lines on the two side plates of the bridge floor 6-2 and the bridge 6, judging the cutting position to be the same, calculating the feeding length of the bridge 6 at the same cutting position, taking the maximum value of the feeding distances of the three groups of cutting line bridges 6 calculated in the step S202 as the feeding distance of the cutting position, but crossing of the cutting lines occurs on the same cutting plane, as occurs in the middle two cutting lines of the bridge 6 in figure 2, in order to avoid errors in the processing sequence, the cutting lines in the same direction are processed in sequence while still being positioned on the bridge 6.

S3, moving the first moving unit 1 and the second moving unit 4 of each group of cutting assemblies to the cutting position according to the obtained cutting line angle and position of the bridge side plate and the cutting line angle and position of the bridge bottom plate, the specific process includes:

s301, acquiring the current positions of the first mobile unit 1 and the second mobile unit 4;

s302, calculating a difference value between the current position and the cutting position of the first moving unit 1 and a difference value between the current position and the cutting position of the second moving unit 4, wherein the first moving unit 1 moves to the cutting position and adds a set margin value to a first coordinate, and the second moving unit 4 moves to the cutting position and adds a set margin value to a second coordinate;

and S303, controlling the first moving unit 1 and the second moving unit 4 to move to corresponding cutting positions respectively.

In this embodiment, when the machine tool is turned off, data needs to be cleared to perform initialization operation, that is, when the machine tool is turned off, the first moving unit 1 and the second moving unit 4 of each group of cutting assemblies are both returned to initial positions, the initial positions are end positions of the moving rails, and when the machine tool is turned on to perform cutting operation, the machine tool is moved from the initial positions to cutting setting positions; when the processing machine tool is in a continuous processing state, the first moving unit 1 and the second moving unit 4 directly move from the previous processing position to the next cutting setting position.

S4, controlling the cutting machine 2 to move along the telescopic rod 3 to cut by a set depth according to the specification parameters of the bridge 6;

in order to avoid the situation of cutter collision in the cutting process at the same position, the first side plate cutting assembly cuts from bottom to top in the cutting process, the bottom plate cutting assembly cuts from one side close to the first side plate cutting assembly to one side close to the second side plate cutting assembly, and the second side plate cutting assembly cuts from top to bottom.

As shown in fig. 3, the processed bridge frame 6 is assembled together by assembling processes such as welding and the like to form the trend of the bridge frame 6 at each angle, so that the complex requirements of a construction site are met.

As a preferred embodiment, the width adjusting assembly is connected to both the first side plate cutting assembly and the second side plate cutting assembly of the processing machine tool of the embodiment;

according to the acquired bridge frame 6 specification parameters, the first side plate cutting assembly and the second side plate cutting assembly are moved to a set distance position through the width adjusting assembly, one bridge frame 6 specification size is selected as a reference size, if the acquired width of the bridge frame 6 to be processed is larger than the reference size, the width adjusting assembly moves the first side plate cutting assembly and the second side plate cutting assembly by a corresponding difference distance, when the difference distance is positive, the distance between the first side plate cutting assembly and the second side plate cutting assembly is increased, and when the difference distance is negative, the distance between the first side plate cutting assembly and the second side plate cutting assembly is decreased.

The supporting devices of the embodiment all comprise a bottom plate supporting assembly, a first side plate support and a second side plate support, the bottom plate supporting assembly comprises an upper fixed supporting bracket and a lower movable supporting bracket, the lower movable supporting bracket is connected with a driving assembly for driving the lower interactive supporting bracket to move, and the first side plate support comprises an inner movable supporting bracket and an outer movable supporting bracket which are both connected with a driving assembly for driving the corresponding supporting brackets to move;

in step S2, the process of clamping the bridge 6 by the supporting device further includes: the bridge frame 6 is jacked to the upper fixed support through the lower movable support, and meanwhile, the inner movable support and the outer movable support simultaneously act to respectively clamp a bottom plate and a side plate of the bridge frame. When setting up, interior support holds in the palm and can set up under the activity supports and hold in the palm, and it is tight to step-by-step support that can carry out the curb plate presss from both sides, can also expand to support the bottom plate at the in-process of extension and press from both sides tightly, interior support holds in the palm and slides and set up under on the activity supports and hold in the palm, bottom plate supporting component, first curb plate support and second curb plate support press from both sides tightly simultaneously.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.