Steel plate cutting mechanism and cutting method for steel-concrete composite beam

Abstract

The invention belongs to the technical field of cutting equipment, and particularly relates to a steel plate cutting mechanism and method for a steel-concrete composite beam. The steel plate cutting mechanism comprises a sawing machine, pneumatic stand columns are fixedly connected to the outer surfaces of the two sides of the sawing machine correspondingly, the interior of each pneumatic stand column is subjected to telescopic control through an air cylinder, and a cutting mechanism is installed on the upper surface of each pneumatic stand column; the cutting mechanism comprises a band saw; the upper surface of the pneumatic stand column is fixedly connected with a cross beam, and the cross beam is in a hollow shape. According to the steel plate cutting mechanism and method for the steel-concrete composite beam, in the cutting mechanism, a band saw is installed through a push rod, an air bag is installed on the inner side of the push rod while the push rod is pushed to reciprocate through a special-shaped gear in the cutting mechanism, and the steel plate is cut through deformation of the air bag; the vibration of the band saw is reduced, the cutting stability is improved, circulation of air flow on the surface of the band saw is promoted through the air bag, and therefore the surface of the band saw can be rapidly cooled.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cutting equipment, in particular to a steel plate cutting mechanism and cutting method for steel-concrete composite beam. BACKGROUND

[0002] When the steel plate of the steel-concrete composite beam is cut, it needs to be accurately cut for steel plate processing to ensure the strength and stability of the structure, especially when the steel plate is thin. The existing band saw equipment generally sprays cooling liquid to the cutting end to reduce friction and the temperature of the band saw surface. However, the number of cooling liquid spraying ends is limited, which limits the cooling effect. During the friction cutting process of the band saw and the steel plate, heat is still generated by friction, the temperature of the sawing band rises, which causes faster wear of the sawing band, and even the sawing band may break or fail, reducing the service life of the tool and the cutting accuracy of the steel plate surface, thereby making it inconvenient to use. SUMMARY

[0003] Based on the technical problem of insufficient cooling effect of the existing steel-concrete composite beam steel plate cutting mechanism, the present application provides a steel-concrete composite beam steel plate cutting mechanism and cutting method.

[0004] The steel-concrete composite beam steel plate cutting mechanism provided by the present application comprises a sawing machine, the outer surfaces of the two sides of the sawing machine are fixedly connected with pneumatic columns, the pneumatic columns are controlled to extend and retract through air cylinders, the upper surfaces of the pneumatic columns are provided with a cutting mechanism, the cutting mechanism comprises a band saw, the upper surfaces of the pneumatic columns are fixedly connected with cross beams, the cross beams are hollow, the outer surfaces of the cross beams are provided with a cooling mechanism, and the cooling mechanism comprises a cold water pipe.

[0005] Preferably, the inner top walls of the two ends of the pneumatic column are fixedly connected with driving motors, the lower surfaces of the driving motors are fixedly connected with mounting rods, the lower surfaces of the mounting rods are rotatably connected with driving gears and driven gears through rotating shafts, the two driven gears are located on the two sides of the driving gear respectively, the output shaft of the driving motor is in transmission connection with the rotating shaft of the driving gear, and the outer surfaces of the driving gear and the two driven gears are in meshing connection.

[0006] Preferably, the inner bottom walls of the cross beams are fixedly connected with bases, the upper surfaces of the two ends of the bases are rotatably connected with special-shaped gears through bearings, and the upper surfaces of the two special-shaped gears are fixedly connected with the lower surfaces of the two driven gears respectively.

[0007] Preferably, the upper surface of the middle part of the base is fixedly connected with a limiting block, the outer surface of the limiting block is slidably sleeved with a push rod, the push rod is in the shape of a rectangular frame, the outer surfaces of the two sides of the push rod are provided with clamping teeth, and the push rod and the special-shaped gear are aligned in the horizontal direction.

[0008] Preferably, the opposite surfaces of the two push rods are respectively fixedly connected with the two ends of the band saw, and the lower surface of the cross beam is provided with a cutting groove, and the lower end surface of the band saw is located inside the cutting groove.

[0009] Preferably, the inner wall of the push rod is in sliding connection with the outer surface of the limiting block, and the two end surfaces of the limiting block are fixedly connected with air bags, and the ends of the two air bags are respectively fixedly connected with the end surfaces of the inner wall of the push rod.

[0010] Preferably, the surface of the air bag is fixedly inserted with an air pipe, the inside of the air pipe is in communication with the inside of the air bag, the inner wall of the base and the inner wall of the limiting block are fixedly sleeved on one end of the outer surface of the air pipe, and the lower end of the air pipe is fixedly inserted with the inner bottom wall of the cross beam.

[0011] Preferably, the upper surface of the cross beam is provided with a sliding groove, the inner wall of the sliding groove is in sliding connection with a water storage tank, the upper end of the cold water pipe is fixedly inserted with the outer side wall surface of the water storage tank and is in communication, the lower end of the cold water pipe is fixedly connected with a magnetic block on the outer surface, and the magnetic block is in T shape.

[0012] Preferably, the lower surface of the cross beam is fixedly connected with a delay strip, the lower surface of the delay strip is provided with a delay sliding groove, the inner wall of the delay sliding groove is in sliding connection with the outer surface of the magnetic block, and the lower ends of the adjacent two air pipes are respectively located on both sides of the lower end of the cold water pipe.

[0013] A cutting method of a steel plate cutting mechanism of a steel-concrete composite beam, the cutting method comprising the following steps: step one, placing a steel plate on the upper surface of a sawing bed, injecting cooling liquid into a water storage tank, the cooling liquid flowing downward through a cold water pipe, controlling a pneumatic column to contract, and the pneumatic column driving a cross beam to fall onto the surface of the steel plate;

[0014] Step two, starting a driving motor, the driving motor driving a driving gear to rotate, the driving gear driving two adjacent driven gears to rotate, the two driven gears respectively driving two special-shaped gears to rotate in the same direction, when one of the special-shaped gears contacts the surface of a push rod, the special-shaped gear pushing the push rod to move on the surface of a limiting block through clamping teeth, the other special-shaped gear deviating from the surface of the push rod, when the other special-shaped gear deviates to the surface of the push rod, the special-shaped gear pushing the push rod to move reversely on the surface of the limiting block through clamping teeth, the push rod frequently reciprocating under the action of the two special-shaped gears and driving a band saw to reciprocate for cutting;

[0015] Step three, when the push rod reciprocates on the surface of the limiting block, the inner wall of the push rod frequently extruding and stretching the air bags, the air bags repeatedly inhaling and exhaling through the air pipe, and the cooling liquid vertically flowing out of the lower end of the cold water pipe deviating under the action of the airflow at the end of the air pipe.

[0016] Step four: Under the attraction of the band saw, the magnetic block slides back and forth inside the delay strip, and the lower end of the magnetic block drives the lower end of the cold water pipe to slide back and forth on the surface of the steel plate, and the coolant spreads on the surface of the steel plate.

[0017] The beneficial effects of this invention are as follows:

[0018] 1. By setting up a cutting mechanism, a push rod is used to install the band saw. The push rod is then driven to reciprocate by a special gear in the cutting mechanism. At the same time, an airbag is installed on the inner side of the push rod. The deformation of the airbag absorbs the vibration of the push rod and the band saw on the push rod surface, reducing the vibration of the band saw, improving the cutting stability, and promoting the airflow on the surface of the band saw through the airbag, thereby facilitating the rapid cooling of the band saw surface.

[0019] 2. By setting the cold water pipe in the cooling mechanism to reciprocate under the drive of the magnetic block as the band saw moves, the spraying range of the cold water pipe can be increased. At the same time, the air bladder and air pipe in the cutting mechanism can intervene in the water output of the cold water pipe, so that the spraying range of the cold water pipe can be further increased by the airflow, thereby improving the cooling effect of the cooling mechanism. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a steel plate cutting mechanism for a steel-concrete composite beam proposed in this invention;

[0021] Figure 2 This is an inverted view of the crossbeam structure of the steel plate cutting mechanism for a steel-concrete composite beam proposed in this invention.

[0022] Figure 3 This is a cross-sectional view of the beam structure of the steel plate cutting mechanism for a steel-concrete composite beam proposed in this invention.

[0023] Figure 4 This is a perspective view of the band saw structure of a steel plate cutting mechanism for a steel-concrete composite beam proposed in this invention;

[0024] Figure 5 This is an inverted view of the base structure of the steel plate cutting mechanism for a steel-concrete composite beam proposed in this invention.

[0025] Figure 6 This is a perspective view of the pusher structure of a steel plate cutting mechanism for a steel-concrete composite beam proposed in this invention.

[0026] Figure 7 This is a three-dimensional view of the airbag structure of the steel plate cutting mechanism for a steel-concrete composite beam proposed in this invention.

[0027] Figure 8 This is a three-dimensional view of the cold water pipe structure of the steel plate cutting mechanism for a steel-concrete composite beam proposed in this invention.

[0028] In the figure: 1, sawing machine; 2, pneumatic column; 3, band saw; 31, driving motor; 32, mounting rod; 33, driving gear; 34, driven gear; 35, base; 36, special-shaped gear; 37, limiting block; 38, push rod; 39, air bag; 310, air pipe; 4, cross beam; 5, cold water pipe; 51, water storage tank; 52, magnetic force block; 53, delay strip. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0030] Reference Figures 1-8 A steel plate cutting mechanism and cutting method of a steel-concrete composite beam, comprising a sawing machine 1, pneumatic columns 2 are fixedly connected to the outer surfaces of both sides of the sawing machine 1, the pneumatic columns 2 are controlled to extend and retract through air cylinders, a cutting mechanism is installed on the upper surface of the pneumatic column 2, and the cutting mechanism comprises a band saw 3; a cross beam 4 is fixedly connected to the upper surface of the pneumatic column 2, the cross beam 4 is hollow, and a cooling mechanism is installed on the outer surface of the cross beam 4, the cooling mechanism comprising a cold water pipe 5.

[0031] In order to drive the push rod 38, driving motors 31 are fixedly connected to the inner top walls of both ends of the pneumatic column 2, mounting rods 32 are fixedly connected to the lower surfaces of the driving motors 31, driving gears 33 and driven gears 34 are rotatably connected to the lower surfaces of the mounting rods 32 through rotating shafts, two driven gears 34 are located on the two sides of the driving gear 33 respectively, the output shaft of the driving motor 31 is in transmission connection with the rotating shaft of the driving gear 33, the outer surfaces of the driving gear 33 are in mesh with the outer surfaces of the two driven gears 34, and the two driven gears 34 are driven to rotate by the driving gear 33 respectively, so that the two driven gears 34 can operate in the same direction, and the two driving motors 31 can be controlled to operate in linkage through PLC programming, so that the two driving motors 31 can operate synchronously, a base 35 is fixedly connected to the inner bottom wall of the cross beam 4, special-shaped gears 36 are rotatably connected to the upper surfaces of both ends of the base 35 through bearings, the upper surfaces of the two special-shaped gears 36 are fixedly connected with the lower surfaces of the two driven gears 34 respectively, the surface of the special-shaped gear 36 is fan-shaped, so that the contact time between the special-shaped gear 36 and the push rod 38 can be reduced, a limiting block 37 is fixedly connected to the upper surface of the middle part of the base 35, the push rod 38 is slidably sleeved with the outer surface of the limiting block 37, the push rod 38 is in the shape of a rectangular frame, clamping teeth are formed in the outer surfaces of the two sides of the push rod 38, the push rod 38 is aligned with the special-shaped gear 36 in the horizontal direction, the movement of the push rod 38 is limited by the limiting block 37, so that the push rod 38 can be prevented from being deflected, and a slide roller can be installed on the upper surface of the base 35 to movably install the lower surface of the push rod 38, so that the frictional resistance of the lower surface of the push rod 38 can be reduced.

[0032] In order to absorb the vibration, the opposite surfaces of the two push rods 38 are respectively fixedly connected with the two ends of the band saw 3, the lower surface of the cross beam 4 is provided with a cutting groove, the lower end surface of the band saw 3 is located inside the cutting groove, the push rod 38 is used for installing the band saw 3, so as to facilitate the reciprocating movement of the band saw 3 through the reciprocating movement of the push rod 38, and then the cutting action is realized, the inner wall of the push rod 38 is slidably connected with the outer surface of the limiting block 37, the two end surfaces of the limiting block 37 are fixedly connected with the air bags 39, the two ends of the two air bags 39 are respectively fixedly connected with the inner wall of the push rod 38, the space size on both sides of the limiting block 37 is changed by the movement of the push rod 38, so as to facilitate the stretching and extrusion of the air bags 39 on both sides of the limiting block 37, the surface of the air bag 39 is fixedly inserted with the air pipe 310, the inside of the air pipe 310 is communicated with the inside of the air bag 39, the inner wall of the base 35 and the inner wall of the limiting block 37 are fixedly sleeved on one end of the outer surface of the air pipe 310, the lower end of the air pipe 310 is fixedly inserted with the inner bottom wall of the cross beam 4, the air in the air bag 39 is transported by the air pipe 310, so as to facilitate the inflation and deflation of the air bag 39.

[0033] By setting the cutting mechanism, the push rod 38 is used for installing the band saw 3, and the push rod 38 is pushed to move reciprocatingly by the special-shaped gear 36 in the cutting mechanism, the air bag 39 is installed on the inner side of the push rod 38, the vibration of the push rod 38 and the band saw 3 on the surface of the push rod 38 is absorbed through the deformation of the air bag 39, the vibration of the band saw 3 is reduced, the cutting stability is improved, and the air flow on the surface of the band saw 3 is promoted by the air bag 39, so as to facilitate the rapid cooling of the surface of the band saw 3.

[0034] In order to cool the band saw 3, a chute is formed in the upper surface of the cross beam 4, the inner wall of the chute is slidably connected with the water storage tank 51, the upper end of the cold water pipe 5 is fixedly inserted with the outer side wall surface of the water storage tank 51 and is communicated, the lower end of the cold water pipe 5 is fixedly connected with the magnetic block 52, the magnetic block 52 is T-shaped, the magnetic block 52 is attracted to the band saw 3 made of metal material, so as to facilitate the reciprocating movement of the band saw 3 to drive the gear block, and then the lower end of the cold water pipe 5 is driven, the cold water pipe 5 is made of soft pipe material, so as to facilitate the deflection, when the band saw 3 is not made of metal material, or the magnetic attraction between the band saw 3 and the magnetic block 52 is small, a magnet can also be adhered to the surface of the band saw 3 to attract the magnetic block 52, the lower surface of the cross beam 4 is fixedly connected with the delay strip 53, the lower surface of the delay strip 53 is provided with a delay chute, the inner wall of the delay chute is slidably connected with the outer surface of the magnetic block 52, the lower ends of the two adjacent air pipes 310 are respectively located on both sides of the lower end of the cold water pipe 5, the lower ends of the air pipes 310 are aligned on both sides of the lower end of the cold water pipe 5, so as to facilitate the intervention of the water flow discharged by the cold water pipe 5 through the suction and blowing of the air pipe 310.

[0035] Through setting the cold water pipe 5 in the cooling mechanism, under the driving of the magnetic block 52, reciprocating motion is conducted along with the movement of the band saw 3, so as to facilitate the increase of the sprinkling range of the cold water pipe 5, and meanwhile, the water outlet of the cold water pipe 5 is intervened by the air bag 39 and the air pipe 310 in the cutting mechanism, so as to facilitate the further increase of the sprinkling range of the cold water pipe 5 through the blowing of the air flow, thereby facilitating the improvement of the cooling effect of the cooling mechanism.

[0036] Working principle:

[0037] Step one, place the steel plate on the upper surface of the sawing bed 1, inject the cooling liquid into the water storage tank 51, the cooling liquid flows out downward through the cold water pipe 5, control the pneumatic column 2 to contract, and the pneumatic column 2 drives the cross beam 4 to fall to the surface of the steel plate.

[0038] Step two, start the driving motor 31, the driving motor 31 drives the driving gear 33 to rotate, the driving gear 33 drives the two adjacent driven gears 34 to rotate, the two driven gears 34 drive the two special gears 36 to rotate in the same direction respectively, when one of the special gears 36 contacts the surface of the push rod 38, the special gear 36 pushes the push rod 38 to move on the surface of the limiting block 37 through the clamping teeth, and the other special gear 36 deviates from the surface of the push rod 38, when the other special gear 36 deviates to the surface of the push rod 38, the special gear 36 pushes the push rod 38 to move reversely on the surface of the limiting block 37 through the clamping teeth, and the push rod 38 frequently reciprocates under the action of the two special gears 36, and drives the band saw 3 to reciprocate for cutting.

[0039] Step three, when the push rod 38 reciprocates on the surface of the limiting block 37, the inner wall of the push rod 38 frequently extrudes and stretches the air bag 39 with the outer surface of the limiting block 37, the air bag 39 repeatedly inhales and exhales through the air pipe 310, and the cooling liquid vertically flowing out from the lower end of the cold water pipe 5 deviates under the action of the air flow at the end of the air pipe 310.

[0040] Step four, the magnetic block 52 reciprocates in the inside of the delay strip 53 under the attraction of the band saw 3, and the lower end of the magnetic block 52 drives the lower end of the cold water pipe 5 to reciprocate on the surface of the steel plate, and the cooling liquid spreads on the surface of the steel plate.

[0041] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art, according to the technical solution and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A steel plate cutting mechanism for steel-concrete composite beams, comprising a sawing machine (1), the outer surface of both sides of the sawing machine (1) is fixedly connected with a pneumatic column (2), characterized in that: The upper surface of the pneumatic column (2) is provided with a cutting mechanism, which comprises a band saw (3); The upper surface of the pneumatic column (2) is fixedly connected with a cross beam (4), the cross beam (4) is hollow, and the outer surface of the cross beam (4) is provided with a cooling mechanism, which comprises a cold water pipe (5).

2. The steel plate cutting mechanism of a steel-concrete composite beam according to claim 1, characterized in that: The inner top wall of the two ends of the pneumatic column (2) is fixedly connected with a driving motor (31), the lower surface of the driving motor (31) is fixedly connected with a mounting rod (32), the lower surface of the mounting rod (32) is rotatably connected with a driving gear (33) and a driven gear (34) through a rotating shaft, the two driven gears (34) are located on the two sides of the driving gear (33) respectively, the output shaft of the driving motor (31) is in transmission connection with the rotating shaft of the driving gear (33), and the outer surfaces of the driving gear (33) and the two driven gears (34) are in meshing connection.

3. The steel plate cutting mechanism of a steel-concrete composite beam according to claim 2, characterized in that: The inner bottom wall of the cross beam (4) is fixedly connected with a base (35), the upper surfaces of the two ends of the base (35) are rotatably connected with special gears (36) through bearings, and the upper surfaces of the two special gears (36) are fixedly connected with the lower surfaces of the two driven gears (34) respectively.

4. The steel plate cutting mechanism of a steel-concrete composite beam according to claim 3, wherein: The middle upper surface of the base (35) is fixedly connected with a limiting block (37), the outer surface of the limiting block (37) is slidably sleeved with a push rod (38), the push rod (38) is in the shape of a rectangular frame, the outer surfaces of the two sides of the push rod (38) are provided with clamping teeth, and the push rod (38) is aligned with the special gears (36) in the horizontal direction.

5. The steel plate cutting mechanism of a steel-concrete composite beam according to claim 4, characterized in that: The opposite surfaces of the two push rods (38) are fixedly connected with the two ends of the band saw (3) respectively, the lower surface of the cross beam (4) is provided with a cutting groove, and the lower end surface of the band saw (3) is located in the cutting groove.

6. The steel plate cutting mechanism of a steel-concrete composite beam according to claim 5, wherein: The inner wall of the push rod (38) is slidably connected with the outer surface of the limiting block (37), the two end surfaces of the limiting block (37) are fixedly connected with air bags (39), and the ends of the two air bags (39) are fixedly connected with the inner wall of the push rod (38).

7. The steel plate cutting mechanism of a steel-concrete composite beam according to claim 6, characterized in that: The surface of the air bag (39) is fixedly inserted with an air pipe (310), the inside of the air pipe (310) is in communication with the inside of the air bag (39), the inner wall of the base (35) and the inner wall of the limiting block (37) are fixedly sleeved on the outer surface of one end of the air pipe (310), and the lower end of the air pipe (310) is fixedly inserted with the inner bottom wall of the cross beam (4).

8. The steel plate cutting mechanism of a steel-concrete composite beam according to claim 7, characterized in that: The upper surface of the cross beam (4) is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a water storage tank (51), the upper end of the cold water pipe (5) is fixedly inserted with the outer side wall surface of the water storage tank (51) and is in communication, the lower end outer surface of the cold water pipe (5) is fixedly connected with a magnetic block (52), and the magnetic block (52) is in the shape of T.

9. The steel plate cutting mechanism of a steel-concrete composite beam according to claim 8, characterized in that: The lower surface of the cross beam (4) is fixedly connected with a delay strip (53), the lower surface of the delay strip (53) is provided with a delay sliding groove, the inner wall of the delay sliding groove is slidably connected with the outer surface of the magnetic block (52), and the lower ends of the two adjacent air pipes (310) are located on the two sides of the lower end of the cold water pipe (5) respectively.

10. The cutting method of the steel plate cutting mechanism of a steel-concrete composite beam according to any one of claims 1-9, the cutting method comprising the following steps: step one, placing the steel plate on the upper surface of the sawing bed (1), injecting the cooling liquid into the water storage tank (51), the cooling liquid flowing downward through the cold water pipe (5), controlling the pneumatic column (2) to retract, and the pneumatic column (2) driving the cross beam (4) to fall onto the surface of the steel plate; step two, starting the driving motor (31), the driving motor (31) driving the driving gear (33) to rotate, the driving gear (33) driving the two adjacent driven gears (34) to rotate in the same direction, the two driven gears (34) respectively driving the two special gears (36) to rotate in the same direction, when one of the special gears (36) contacts the surface of the push rod (38), the special gear (36) pushes the push rod (38) to move on the surface of the limiting block (37) through the clamping teeth, the other special gear (36) deviates from the surface of the push rod (38), when the other special gear (36) deviates to the surface of the push rod (38), the special gear (36) pushes the push rod (38) to move reversely on the surface of the limiting block (37) through the clamping teeth, the push rod (38) reciprocates frequently under the action of the two special gears (36) and drives the band saw (3) to reciprocate for cutting; step three, when the push rod (38) reciprocates on the surface of the limiting block (37), the inner wall of the push rod (38) frequently squeezes and stretches the air bag (39) with the outer surface of the limiting block (37), the air bag (39) repeatedly inhales and exhales through the air pipe (310), and the cooling liquid vertically flowing out of the lower end of the cold water pipe (5) is deflected under the action of the airflow at the end of the air pipe (310); step four, the magnetic block (52) reciprocates in the inside of the delay bar (53) under the attraction of the band saw (3), and the lower end of the magnetic block (52) drives the lower end of the cold water pipe (5) to reciprocate on the surface of the steel plate, and the cooling liquid spreads on the surface of the steel plate. ​ ​ ​

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