CN217550823U

CN217550823U - Flanging device for ventilating square tube

Info

Publication number: CN217550823U
Application number: CN202220807188.0U
Authority: CN
Inventors: 谢瑞宝; 李兰秀; 蔺义
Original assignee: Yichang Chenyang Hvac Technology Co ltd
Current assignee: Yichang Chenyang Hvac Technology Co ltd
Priority date: 2022-04-09
Filing date: 2022-04-09
Publication date: 2022-10-11
Anticipated expiration: 2032-04-09

Abstract

A folding device for a ventilation square pipe comprises a roller conveyor, wherein a folding mechanism is arranged on one side of the roller conveyor and comprises a base, one end of the base is fixedly connected with a rack, a first air cylinder and a first guide rail are installed on the rack, a first sliding block is assembled on the first guide rail, a pressing beam is fixedly connected onto the first sliding block, the lower end of the pressing beam is connected with an upper die strip, and a piston rod of the first air cylinder is hinged to the pressing beam; install the bearing frame at the base both ends, be equipped with the pivot in the bearing frame, lower bolster both ends respectively with pivot fixed connection, pivot one end is connected with the actuating mechanism transmission, actuating mechanism installs the limiting plate including the assembly at pivot one end gear on gear one side base, assembles the gyro wheel in the limiting plate, has seted up the square hole on gear below base. The utility model is used for solve ventilation side's pipe and need twice welding to lead to tuber pipe dimensional error increase and the problem that has improved workman's work load.

Description

Flanging device for ventilating square tube

Technical Field

The utility model relates to a side's of ventilating pipe hem device.

Background

The existing square ventilation pipe is manufactured by respectively folding two steel plates for 90 degrees and then welding and processing the two steel plates into a finished square pipe, the square pipe processing method is as in the patent number of CN113305399A, 0021 section in square ventilation pipe automatic welding equipment and attached figures 1 and 4, the square pipe processing mode is that the square pipe needs to be welded twice to assemble the square pipe, firstly, the welding amount is increased, the size error of an air pipe is increased, secondly, the overlap left by welding needs to be cut twice, and the workload of workers is improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a side's of ventilating pipe hem device for solve the side's of ventilating pipe and need twice welding to lead to the problem of tuber pipe size error increase and improved workman's work load.

In order to solve the above problem, the technical scheme of the utility model is that:

a ventilating square tube flanging device comprises a roller conveyor, wherein a flanging mechanism is arranged on one side of the roller conveyor and comprises a base, one end of the base is fixedly connected with a rack, a first air cylinder and a first guide rail are mounted on the rack, a first sliding block is assembled on the first guide rail, a pressing beam is fixedly connected onto the first sliding block, the lower end of the pressing beam is connected with an upper die strip, and a piston rod of the first air cylinder is hinged with the pressing beam; install the bearing frame at the base both ends, be equipped with the pivot in the bearing frame, lower bolster both ends respectively with pivot fixed connection, pivot one end is connected with the actuating mechanism transmission, actuating mechanism installs the limiting plate including the assembly at pivot one end gear on one side of the gear base, the gyro wheel of assembly in the limiting plate, has seted up the square hole on the gear below base, and the square hole is equipped with the rack with gear engaged with, and the rack leans on the gyro wheel back, installs the second cylinder on the base, second cylinder piston rod and gear fixed connection.

And one side of the edge folding mechanism is provided with a limiting mechanism, the limiting mechanism comprises a support, the support is provided with a driving motor, a lead screw and a plurality of second guide rails, the driving motor is in transmission connection with the lead screw, the second sliding blocks are assembled on the second guide rails, nuts assembled on the lead screw are fixedly connected with the second sliding blocks, and the second sliding blocks are fixedly connected with the limiting folded plates through a plurality of connecting rods.

Install first magnetic switch and second magnetic switch on first cylinder, install third magnetic switch and fourth magnetic switch on the second cylinder, install first photoelectric switch and second photoelectric switch in second guide rail one side, fixedly connected with is used for triggering the separation blade of first photoelectric switch and second photoelectric switch in turn on the second slider, first magnetic switch, second magnetic switch, third magnetic switch, fourth magnetic switch, first photoelectric switch and second photoelectric switch all connect the controller input, driving motor and the solenoid valve connection controller output that is used for first cylinder and second cylinder.

The utility model has the advantages that: can make a panel form a square tubular construction through the cubic hem back, this square tubular construction has only an interface, makes it only need once to weld just can become the finished product with the welding of square pipe, and the welding volume of the square pipe that reduces has reduced tuber pipe dimensional error, has alleviateed workman's work load, has improved the production efficiency of ventilation tuber pipe.

Drawings

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

FIG. 1 is a schematic view of the front view structure of the present invention,

figure 2 is a schematic top view of the present invention,

figure 3 is a partial three-dimensional structure diagram of the utility model,

figure 4 is a pneumatic control principle diagram of the utility model,

FIG. 5 is a schematic diagram showing the connection relationship between the electric devices of the present invention,

fig. 6 is a schematic structural diagram of the present invention in implementation.

In the figure:

a drum conveyor 100;

the flanging mechanism 200, the first air cylinder 201, the first magnetic switch 202, the second magnetic switch 203, the frame 204, the first guide rail 205, the pressing beam 206, the upper mold 207, the gear 208, the third magnetic switch 209, the fourth magnetic switch 210, the limiting plate 211, the rack 212, the second air cylinder 213, the base 214, the lower template 215, the rotating shaft 216, the roller 217 and the bearing seat 218;

the device comprises a limiting mechanism 300, a bracket 306, a driving motor 301, a lead screw 309, a second guide rail 310, a second sliding block 303, a connecting rod 304, a limiting folded plate 305, a first photoelectric switch 308 and a second photoelectric switch 307.

Detailed Description

As shown in fig. 1 to 5, a ventilated square tube flanging device comprises an unpowered roller conveyor 100, a flanging mechanism 200 is arranged on one side of the roller conveyor 100, the flanging mechanism 200 comprises a base 214, one end of the base 214 is fixedly connected with a frame 204, the frame 204 is provided with a first cylinder 201 and a first guide rail 205, the first guide rail 205 is provided with a first slider, the first slider is fixedly connected with a pressing beam 206, the lower end of the pressing beam 206 is connected with an upper die strip 207, and a piston rod of the first cylinder 201 is hinged with the pressing beam 206; install bearing frame 218 at base 214 both ends, be equipped with pivot 216 in the bearing frame 218, lower bolster 215 both ends respectively with pivot 216 fixed connection, it is coaxial with pivot 216 to go up mould bar 207 one end edge, pivot 216 one end is connected with the actuating mechanism transmission, actuating mechanism is including assembling at pivot 216 one end gear 208, installs limiting plate 211 on gear 208 one side base 214, assembles gyro wheel 217 in the limiting plate 211, has seted up the square hole on gear 208 below base 214, is equipped with the rack 212 with gear 208 engaged with in the square hole, and rack 212 leans against on gyro wheel 217, carries out reverse support to rack 212 by gyro wheel 217, prevents to take off the tooth between gear 208 and the rack 212, installs second cylinder 213 on base 214, second cylinder 213 piston rod and gear 208 fixed connection.

The utility model discloses a working process does: after a worker places a plate on the roller conveyor 100, one end of the plate is pushed to enter a gap between the upper die strip 207 and the lower die plate 215, then the first air cylinder 201 drives the upper die strip 207 to downwards compress the plate, then the second air cylinder 213 drives the rack 212 to upwards move, the upwards moving rack 212 drives the lower die plate 215 to upwards turn 90 degrees through the gear 208, the first folding of the plate is completed, then the first air cylinder 201 drives the upper die strip 207 to upwards move to the original position, then the worker pushes the plate to feed again, the second folding of the plate is completed, after the second folding is completed, the third folding of the plate is completed by adopting the method, after all the third folding is completed, a square pipe with an opening on one side is formed, the square pipe is sleeved on the pressing beam 206 at the moment, the square pipe is drawn out from the pressing beam 206 by the worker and is sent to a welding machine, and the opening of the square pipe is welded and closed by the welding machine.

The limiting mechanism 300 is arranged on one side of the edge folding mechanism 200, the limiting mechanism 300 comprises a support 306, a driving motor 301, a lead screw 309 and a plurality of second guide rails 310 are mounted on the support 306, the driving motor 301 is in transmission connection with the lead screw 309, the second sliding blocks 303 are assembled on the second guide rails 310, nuts assembled on the lead screw 309 are fixedly connected with the second sliding blocks 303, and the second sliding blocks 303 are fixedly connected with L-shaped limiting folded plates 305 through a plurality of connecting rods 304. The shape of ventilation side's pipe is generally the rectangle for first time feed volume and second time feed volume when square pipe hem are different, for the feed volume to panel adjusts in order to make things convenient for, has consequently set up stop gear 300 in flanging machine the place ahead, stop gear 300's course of work is: the driving motor 301 drives the second slider 303 to displace on the second guide rail 310 through the lead screw 309 and the nut so as to adjust the left and right positions of the limit flap 305, so that when workers feed the folded sheet, one end of the sheet can abut against the limit flap 305, and the feeding amount of the sheet is limited by the limit flap 305.

The first magnetic switch 202 and the second magnetic switch 203 are mounted on the first air cylinder 201, the third magnetic switch 209 and the fourth magnetic switch 210 are mounted on the second air cylinder 213, the first photoelectric switch 308 and the second photoelectric switch 307 are mounted on one side of the second guide rail 310, the baffle 302 used for alternately triggering the first photoelectric switch 308 and the second photoelectric switch 307 is fixedly connected to the second sliding block 303, the first photoelectric switch 308 and the second photoelectric switch 307 are groove type photoelectric switches, the first magnetic switch 202, the second magnetic switch 203, the third magnetic switch 209, the fourth magnetic switch 210, the first photoelectric switch 308 and the second photoelectric switch 307 are all connected with the input end of a controller, and the driving motor 301 and the electromagnetic valves used for the first air cylinder 201 and the second air cylinder 213 are connected with the output end of the controller. The controller is a PLC controller.

The working process of the controller is as follows:

initially, the piston in the first cylinder 201 is at the position of the first magnetic switch 202, the piston in the second cylinder 213 is at the position of the fourth magnetic switch 210, the blocking piece 302 triggers the second photoelectric switch 307, and the distance between the limiting folding plate 305 and the upper die strip 207 is equal to the length of the short side of the square tube;

the first step is as follows: as shown in fig. 6 a, the worker pushes the sheet material on the roller conveyor 100 to be fed to one end against the restriction flap 305.

The second step is that: as shown in b in fig. 6, when the operator presses the start button SB1, the controller controls the piston in the first cylinder 201 to descend to the position of the second magnetic switch 203 and then pause to drive the upper die strip 207 to press on the plate, then the piston in the second cylinder 213 ascends to the position of triggering the third magnetic switch 209, the second cylinder 213 drives the lower template 215 to rotate by 90 degrees, thereby completing the short edge folding of the opposite pipe, and then the controller controls the first cylinder 201 and the second cylinder 213 to retreat to the initial position;

the third step: as shown in c in fig. 6, the controller controls the driving motor 301 to start, the driving motor 301 drives the limiting flap 305 to move leftwards, the stopping time is suspended when the blocking piece 302 triggers the first photoelectric switch 308, the distance between the limiting flap 305 and the upper die 207 is equal to the length of the long edge of the square tube, and the worker pushes one end of the folded edge of the sheet material to abut against the limiting flap 305.

The fourth step: the opposite tube is then hemmed 90 degrees along its long side as shown at d in fig. 6, in the manner described above for the second step.

The fifth step: after the controller controls the stop flap 305 to return to the initial position, the worker again pushes the flanged end of the sheet against the stop flap 305, as shown by e in fig. 6.

And a sixth step: as shown in f of fig. 6, according to the method of the second step, the short side of the square pipe is folded by 90 degrees to complete the bending process of the square pipe, the worker pushes the stop button SB2, the first air cylinder 201 and the second air cylinder 213 return to the initial positions, and the worker pulls out the square pipe structure from the press beam 206.

Claims

1. The utility model provides a side's of ventilating pipe hem device, includes drum-type conveyer (100), its characterized in that: the edge folding mechanism (200) is arranged on one side of the roller conveyor (100), the edge folding mechanism (200) comprises a base (214), one end of the base (214) is fixedly connected with a rack (204), a first air cylinder (201) and a first guide rail (205) are installed on the rack (204), a first sliding block is assembled on the first guide rail (205), a pressing beam (206) is fixedly connected onto the first sliding block, the lower end of the pressing beam (206) is connected with an upper die strip (207), and a piston rod of the first air cylinder (201) is hinged to the pressing beam (206); install bearing frame (218) at base (214) both ends, be equipped with pivot (216) in bearing frame (218), lower bolster (215) both ends respectively with pivot (216) fixed connection, pivot (216) one end is connected with the actuating mechanism transmission, actuating mechanism installs limiting plate (211) on gear (208) one side base (214) including assembling, limiting plate (211), and install in limiting plate (211) gyro wheel (217), has seted up the square hole on gear (208) below base (214), is equipped with in the square hole with rack (212) of gear (208) engaged with, and rack (212) lean against on gyro wheel (217), installs second cylinder (213) on base (214), second cylinder (213) piston rod and gear (208) fixed connection.

2. A ventilating square tube hemming device according to claim 1 wherein: be equipped with stop gear (300) on hem mechanism (200) one side, stop gear (300) include support (306), install driving motor (301), lead screw (309) and many second guide rails (310) on support (306), driving motor (301) and lead screw (309) transmission are connected, second slider (303) assembly is on each second guide rail (310), the nut of assembly on lead screw (309) and second slider (303) fixed connection, second slider (303) are through many connecting rods (304) and spacing folded plate (305) fixed connection.

3. The device for folding the square ventilated pipe according to claim 2, wherein: the pneumatic control system is characterized in that a first magnetic switch (202) and a second magnetic switch (203) are installed on a first air cylinder (201), a third magnetic switch (209) and a fourth magnetic switch (210) are installed on a second air cylinder (213), a first photoelectric switch (308) and a second photoelectric switch (307) are installed on one side of a second guide rail (310), a blocking piece (302) used for alternately triggering the first photoelectric switch (308) and the second photoelectric switch (307) is fixedly connected to a second sliding block (303), the first magnetic switch (202), the second magnetic switch (203), the third magnetic switch (209), the fourth magnetic switch (210), the first photoelectric switch (308) and the second photoelectric switch (307) are all connected with the input end of a controller, and a driving motor (301) and electromagnetic valves used for the first air cylinder (201) and the second air cylinder (213) are connected with the output end of the controller.