CN214161768U

CN214161768U - Flexible hole system of cutting of car bumper laser

Info

Publication number: CN214161768U
Application number: CN202022446654.0U
Authority: CN
Inventors: 路福爽; 程平
Original assignee: Dongfeng Biou Automotive Exterior System Co ltd
Current assignee: Dongfeng Biou Automotive Exterior System Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-10
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a flexible cut hole system of car bumper laser, its difference lies in: the device comprises a double-station upper and lower workpiece rotary table, a laser hole cutting machine, a moulding bed storage rack and a robot; the double-station upper and lower part rotating platform is provided with two work tables which are symmetrical about the center of the double-station upper and lower part rotating platform, and the two work tables can respectively rotate to be positioned in the reachable movement radius of the robot; the laser hole cutting machine and the moulding bed storage rack are both positioned in the reachable movement radius of the robot; wherein laser tapping machine includes the base and is fixed in laser instrument and the operation panel on the base, is provided with X on the operation panel to moving the subassembly, and X is provided with Y on the subassembly to moving and moves the subassembly, and the laser head of laser instrument erects in Y to moving the subassembly and be located the top of operation panel. The utility model discloses avoided the product to get the die cutter switching time extravagant and the die cutter switching caused of the time waste and die cutter switching that the piece caused of putting is extravagant, when switching product production, do not need artifical retooling operation, promoted the production beat, practiced thrift area.

Description

Flexible hole system of cutting of car bumper laser

Technical Field

The utility model belongs to the technical field of car bumper manufacturing and specifically relates to a car bumper laser flexibility hole cutting system.

Background

The automobile bumper process hole comprises a headlamp cleaning hole, a camera hole and a radar hole, wherein existing round holes are also provided with special-shaped holes, and the holes are mainly used for installing and detecting radars, cameras and the like. With the development of the automobile industry, the radar hole not only needs to meet the functional requirements, but also has high appearance quality requirements.

In the past automobile bumper manufacturing process, the traditional bumper radar hole machining is finished by adopting a non-calibration special machine all the time, along with the frequency acceleration of the modification and the modification of an automobile, the traditional bumper punching machining mode is contradictory and prominent, the equipment utilization rate is gradually reduced, the problems of long-term occupation and waste of a field and the like are very prominent.

In the novel flexible punching equipment of recent two years, the use is that the machinery die cutter punches a hole, and when the size of hole is different, need switch over die cutter, occupy production time. When the product processing is completed, the user needs to wait for manually taking the product away and placing the product to be processed. When a product is replaced and machined, two manual die changing trolleys are often needed to switch the forming dies, so that the waiting time for die changing is wasted, and one operator is increased.

Disclosure of Invention

An object of the utility model is to overcome prior art's shortcoming, provide a flexible cut hole system of car bumper laser, avoided the product to get the die cutter switching time that the time waste and the die cutter switching that the die cutter caused that the piece led to the fact was extravagant, when switching product production, do not need artifical retooling operation, promoted the production beat, practiced thrift area.

For solving the above technical problem, the technical scheme of the utility model is that: the utility model provides a flexible cut hole system of car bumper laser which the difference lies in: the device comprises a double-station upper and lower workpiece rotary table, a laser hole cutting machine, a moulding bed storage rack and a robot; the double-station upper and lower part rotating table is provided with two work tables which are symmetrical about the center of the double-station upper and lower part rotating table, and the two work tables can respectively rotate to be positioned in the reachable movement radius of the robot; the laser hole cutting machine and the moulding bed storage rack are both positioned in the reachable movement radius of the robot; the laser hole cutting machine comprises a base, a laser and an operating platform, wherein the laser and the operating platform are fixed on the base; the mould storage rack is provided with a plurality of layers of mould supporting plates which are distributed at intervals from top to bottom, and a first pressing part and a first positioning pin are symmetrically arranged on each mould supporting plate respectively; the robot is used for grabbing the moulding bed.

According to the technical scheme, the working tables are provided with an operating end and a fixed end which are oppositely arranged, the fixed end is arranged close to the center of the double-station upper and lower part rotating table, the operating end is arranged far away from the center of the double-station upper and lower part rotating table, each working table comprises a working plane positioned at the operating end, and a second pressing part, a rolling supporting part and an ejection cylinder which are symmetrically arranged at two sides of the working plane, the second pressing part is used for pressing a tire mould, each rolling supporting part comprises a transition plate positioned below the working plane and a plurality of ball pieces which are uniformly distributed on the transition plate at intervals from the operating end to the fixed end, the cylinder body of the ejection cylinder is fixed below the working plane, a piston rod of the ejection cylinder vertically extends upwards and is fixed with the lower end of the transition plate, and a matching hole suitable for the ball piece to pass through is formed in the working plane.

According to the technical scheme, the workbench further comprises second positioning pins symmetrically arranged on two sides of the working plane.

According to above technical scheme, the workstation is still including being located the fixed part of workstation stiff end, the fixed part is used for fixed child mould.

According to the technical scheme, the second pressing portion comprises a second pressing cylinder and a second pressing block, the cylinder body of the second pressing cylinder is fixed to the working plane, and the piston rod of the second pressing cylinder vertically extends and is fixed to the second pressing block.

According to the technical scheme, each ball piece comprises a ball support fixed on the transition plate and a ball arranged at the top end of the ball support.

According to the technical scheme, each rolling supporting part further comprises at least two buffer blocks arranged at intervals along the length direction of the transition plate.

According to the technical scheme, the X-direction moving assembly comprises X-direction guide rails, an X-direction motor, an X-direction screw rod and an X-direction moving seat, wherein the X-direction guide rails are fixed on the operating platform in parallel at intervals, X-direction guide rail grooves extending along the length direction of the X-direction guide rails are formed in each X-direction guide rail, the X-direction motor is fixed on the operating platform and used for driving the X-direction screw rod to rotate, the X-direction screw rod is arranged in the X-direction guide rail grooves and extends along the length direction of the X-direction guide rail grooves, the X-direction moving seat is arranged on the X-direction screw rod and inserted into the X-direction guide rail grooves, and when the X-direction screw rod rotates, the X-direction moving seat moves along the length direction of the X-direction guide rail grooves.

According to above technical scheme, Y is to removing the subassembly and is including Y to guide rail, Y to motor, Y to lead screw and Y to removing the seat, wherein Y is fixed respectively two to the both ends of guide rail X is to removing on the seat, just Y is to offering on the guide rail along the Y to the guide rail groove of its length direction extension, Y to the motor with Y is to the guide rail is fixed, is used for the drive Y is to the lead screw rotation, Y is to the lead screw locate Y is to the guide rail inslot and follow Y extends to the length direction of guide rail groove, Y is to removing the seat and is located Y is to last to insert Y in the guide rail groove, when Y is to the lead screw rotation, the laser head can follow Y is to removing the seat along Y is to guide rail groove length direction removal.

According to the technical scheme, the first pressing part comprises a first pressing cylinder and a first pressing block, the cylinder body of the first pressing cylinder is fixed with the mould supporting plate, and the piston rod of the second pressing cylinder vertically extends and is fixed with the second pressing block.

Contrast prior art, the beneficial characteristics of the utility model are that: according to the laser flexible hole cutting system for the automobile bumper, the double-station upper and lower workpiece rotating table is provided with two working tables, so that workpiece taking and placing and hole cutting synchronization are met, and the problem of time waiting waste of workpiece taking and placing is solved; the method has the advantages that the laser hole cutting machine is used, the forming die fixed with the bumper is grabbed by the robot and moved to the laser hole cutting machine for hole cutting, and waste of punching cutter switching time caused by punching cutter switching is avoided; the robot changes the moulding bed without manual mould changing operation, thereby improving the production rhythm; a moulding bed storage rack is arranged in the reachable motion radius of the robot, so that the robot can conveniently grab and replace the moulding bed; the application range is wide, the problem of excessive special planes is solved, and the occupied area is saved.

Drawings

FIG. 1 is a top view of a laser flexible hole cutting system for a bumper beam of an embodiment of the present invention;

FIG. 2 is an axonometric view of a laser flexible hole cutting system of an automobile bumper according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a double-station upper and lower part turntable in FIG. 2;

fig. 4 is a schematic view of a partial structure of a double-station upper and lower rotating table in the embodiment of the present invention;

FIG. 5 is a schematic view of the partial A structure of FIG. 4;

FIG. 6 is a schematic view of the structure of part B of FIG. 4;

FIG. 7 is a schematic perspective view of FIG. 4;

FIG. 8 is a schematic view of the partial structure C of FIG. 7;

FIG. 9 is a schematic perspective view of FIG. 4;

FIG. 10 is a schematic view of the partial D structure of FIG. 9;

fig. 11 is a schematic view of a partial structure of a laser hole cutting machine according to an embodiment of the present invention;

FIG. 12 is a schematic view of the tire mold storage rack of FIG. 2;

FIG. 13 is a flow chart of the laser flexible hole cutting system of the embodiment of the present invention;

wherein: 1-double-station upper and lower workpiece rotary table (101-workbench (101 a-operation end, 101 b-fixed end, 1011-working plane (10111-matching hole)), 1012-second pressing part (10121-second pressing cylinder (101211-cylinder body, 101212-piston rod), 10122-second pressing block), 1013-rolling supporting part (10131-transition plate, 10132-ball piece (101321-ball support, 101322-ball), 10133-buffer block), 1014-ejection cylinder (10141-cylinder body), 1015-second positioning pin and 1016-fixed part)), 2-laser hole cutting machine (201-base, 202-laser (2021-laser head), 203-operation table, 204-X direction moving component (2041-X direction guide rail groove), 2042-X motor, 2043-X moving seat, 2044-anti-collision block, 2045-X lead screw), 205-Y moving assembly (2051-Y guide rail (20511-Y guide rail groove), 2052-Y moving seat, 2053-Y motor, 2054-Y lead screw)), 3-tire mold storage rack (301-tire mold support plate, 302-first pressing part (3021-first pressing cylinder, 3022-first pressing block), 303-first positioning pin), 4-robot (401-quick-change disk male), 5-tire mold (501-quick-change disk master disk, 502-tire mold base, 503-automatic opposite-insertion mechanism master disk), 6-guardrail and 7-bumper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 13, a laser flexible hole cutting system for a bumper of an automobile according to an embodiment of the present invention includes a double-station upper and lower rotating table 1, a laser hole cutting machine 2, a tire mold storage rack 3, and a robot 4. The double-station workpiece-loading and unloading turntable 1 has two work tables 101 which are symmetrical with respect to the center thereof, and the two work tables 101 can be respectively rotated to be located within the reachable movement radius of the robot 4. The laser hole cutting machine 2 and the moulding bed storage rack 3 are both positioned in the reachable motion radius of the robot 4. The laser hole cutting machine 2 comprises a base 201, a laser 202 and an operating platform 203, wherein the laser 202 and the operating platform 203 are fixed on the base, an X-direction moving assembly 204 is arranged on the operating platform 203, a Y-direction moving assembly 205 is arranged on the X-direction moving assembly 204, and a laser head 2021 of the laser 202 is erected on the Y-direction moving assembly 205 and is positioned above the operating platform 203. The molding die storage rack 3 is provided with a plurality of layers of molding die supporting plates 301 which are distributed at intervals from top to bottom, and each molding die supporting plate 301 is symmetrically provided with a first pressing part 302 and a first positioning pin 303. Robot 4 is used for snatching child mould 5, is provided with quick change dish mother disc 501 on the child mould 5, is fixed with quick change dish male plate 401 that can dock with quick change dish mother disc 501 on the robot 4.

Preferably, the double-station upper and lower part turntable 1 can be used not only as an upper and lower part, but also as a temporary storage tire mold 5. The molding bed 5 is also provided with a molding bed base 502. The workbench 101 is provided with an operating end 101a and a fixed end 101b which are oppositely arranged, the operating end 101a is arranged far away from the center of the double-station upper and lower part turntable 1, and the fixed end 101b is arranged close to the center of the double-station upper and lower part turntable 1. Each table 101 includes one working plane 1011, a plurality of second pressing portions 1012, two rolling support portions 1013, and two ejecting cylinders 1014. The working plane 1011 is located at the operating end 101a of the table 101. The second pressing portions 1012 are used for pressing the mold base 502 of the mold 5, and all the second pressing portions 1012 are symmetrically arranged on both sides of the working plane 1011. The rolling support parts 1013 are symmetrically arranged on two sides of the working plane 1011, each rolling support part 1013 comprises a transition plate 10131 and a plurality of ball members 10132, the transition plate 10131 is located below the working plane 1011, and the ball members 10132 are uniformly distributed on the transition plate 10131 along the working end 101a to the fixed end 101b of the workbench. The ejection cylinders 1014 are provided in one-to-one correspondence with the rolling support parts 1013. The cylinder body 10141 of the ejection cylinder 1014 is fixed below the working plane 1011, the piston rod of the ejection cylinder 1014 vertically extends upwards and is fixed with the lower end of the transition plate 10131, and the working plane 1011 is provided with a matching hole 10111 for the ball 10132 to pass through. Under the action of the ejecting cylinder 1014, the ball 10132 can extend above the working plane 1011 or retract below the working plane 1011. When the piston rod of the ejection cylinder 1014 extends, the ball element 10132 extends above the working plane 1011 for supporting the bottom of the moulding bed base 502, the moulding bed 5 can easily slide out onto the mould changing trolley under the action of the ball element 10132, or slide into the workbench 101 from the mould changing trolley, and the moulding bed 5 can be conveniently and quickly introduced and extracted; when the piston rod of the ejection cylinder 1014 retracts, the ball 10132 retracts below the working plane 1011 to avoid interference with the tire mold base 502.

More preferably, the double-station upper and lower piece rotating platform 1 is provided with a guardrail 6 for separating two working platforms 101.

Preferably, in order to position the forming die 5 on the worktable 101 quickly and accurately, the worktable 101 further comprises second positioning pins 1015 symmetrically arranged at two sides of the working plane 1011.

Preferably, in order to avoid the movement of the moulding 5 during the rotation, the table 101 further comprises a fixing portion 1016 at the fixed end 101b of the table 101, the fixing portion 1016 being used for fixing the moulding 5. More preferably, the mold 5 is further provided with an automatic insertion mechanism master 503, and the fixing portion 1016 includes an automatic insertion mechanism male engaged with the automatic insertion mechanism master 503.

Preferably, there are four second pressing portions 1012, and four second pressing portions 1012 are symmetrically fixed on both sides of the working plane 1011.

In a preferred embodiment, the second pressing part 1012 includes a second pressing cylinder 10121 and a second pressing block 10122, a cylinder 101211 of the second pressing cylinder 10121 is fixed to the working plane 1011, and a piston rod 101212 of the second pressing cylinder 10121 extends vertically and is fixed to the second pressing block 10122. When the piston rod 101212 of the second pressing cylinder 10121 is ejected upwards, the second pressing block 10122 releases the tire mold base 502; when the piston rod 101212 of the second pressing cylinder 10121 retracts downwards, the second pressing block 10122 presses the tire mold base 502 onto the working plane 1011.

Preferably, each ball member 10132 comprises a ball support 101321 and a ball 101322, wherein ball support 101321 is fixed to the transition plate 10131 and ball 101322 is rotatably inserted into the top end of ball support 101321. More preferably, two balls 101322 are provided on each ball support 101321.

Preferably, each of the rolling supports 1013 further includes at least two buffer blocks 10133 spaced apart from each other in a longitudinal direction of the transition plate 10131. More preferably, two buffer blocks 10133 are respectively disposed on each rolling support 1013, and the two buffer blocks 10133 are symmetrically disposed at two ends of the transition plate 10131 in the length direction.

Specifically, the X-direction moving assembly 204 includes an X-direction guide rail 2041, an X-direction motor 2042, an X-direction lead screw 2045, and an X-direction moving base 2043, wherein the X-direction guide rail 2041 has two parallel rails fixed on the operating platform 203 at intervals, each X-direction guide rail 2041 is provided with an X-direction guide rail groove 20411 extending along a length direction thereof, the X-direction motor 2042 is fixed at a distal end of the X-direction guide rail 2041, the X-direction motor 2042 is used for driving the X-direction lead screw 2045 to rotate, the X-direction lead screw 2045 is disposed in the X-direction guide rail groove 20411 and extends along the length direction of the X-direction guide rail groove 20411, the X-direction moving base 2043 is disposed on the X-direction lead screw 2045 and inserted into the X-direction guide rail groove 20411, and when the X-direction lead screw 2045 rotates, the X-direction moving base 2043 moves along the length direction of the X-direction guide rail groove 20411. Preferably, the X-direction motor 2042 is fixed to the tail end of the X-direction guide rail 2041, and the head end of the X-direction guide rail 2041 is provided with a bumper 2044 which is engaged with the X-direction moving seat 2043.

The Y-direction moving assembly 205 includes a Y-direction guide rail 2051, a Y-direction motor 2053, a Y-direction screw mandrel 2054, and a Y-direction moving seat 2052, wherein two ends of the Y-direction guide rail 2051 are respectively fixed on the two X-direction moving seats 2043, a Y-direction guide rail groove 20511 extending along the length direction of the Y-direction guide rail 2051 is formed on the Y-direction guide rail 2051, the Y-direction motor 2053 is fixed with the Y-direction guide rail and is used for driving the Y-direction screw mandrel 2054 to rotate, the Y-direction screw mandrel 2054 is arranged in the Y-direction guide rail groove and extends along the length direction of the Y-direction guide rail groove, the Y-direction moving seat is arranged on the Y-direction screw mandrel 2054 and is inserted into the Y-direction guide rail groove, and when the Y-direction screw mandrel 2054 rotates, the laser head can move along the length direction of the Y-direction guide rail groove along with the Y-direction moving seat. Preferably, the Y-motor 2053 is fixed to the end of the Y-guide rail 2051, and an anti-collision block is fixed to the head end of the Y-guide rail 2051 and engages with the Y-moving seat 2052.

Preferably, the first pressing portion 302 includes a first pressing cylinder 3021 and a first pressing block 3022, a cylinder body of the first pressing cylinder 3021 is fixed to the tire mold support plate 301, and a piston rod of the first pressing cylinder 3021 extends vertically and is fixed to the first pressing block 3022.

The embodiment of the utility model provides an in, two workstation 101 symmetries on the duplex position upper and lower piece revolving stage 1 are unanimous, and child mould 5 compresses tightly the child mould 5 after cylinder 10121 will fix a position on workstation 101 through second locating pin 1015 accurate positioning, guarantees its steadiness on the duplex position upper and lower piece revolving stage 1. The male quick-change disc 401 is fixed on the robot 4, and is in butt joint with a quick-change disc mother disc 501 on a mother mould 5, so that the robot 4 grabs the mother mould 5 with a product, the mother mould 5 with the product is moved to the laser hole cutting machine 2 to cut holes, when the robot 4 moves the mother mould 5 with the product to a proper position, the mother mould stops, the laser head 2021 performs planar accurate cutting track action under the action of the X-direction moving assembly 204 and the Y-direction moving assembly 205, and meanwhile, the laser 202 is started to complete cutting of a bumper hole together. When one hole is cut, the robot 4 moves to the proper position of the other hole, and the processing is finished according to the logic. The molding bed storage rack 3 is of a three-layer structure, each layer of structure is consistent, the molding bed 5 is accurately positioned on the molding bed storage rack 3 through the first positioning pin 303, and the molding bed 5 is compressed through the first compressing cylinder 3021, so that the molding bed 5 is stable on the molding bed storage rack 3. When no moulding bed 5 needing to be produced is arranged on the double-station upper and lower part turntable 1, the robot 4 grabs the moulding bed 5 which is not produced on the double-station upper and lower part turntable 1 and places the moulding bed 5 on the vacant position of the moulding bed storage rack 3, and simultaneously takes out the moulding bed 5 needing to be produced from the moulding bed storage rack 3 and places the moulding bed 5 on the double-station upper and lower part turntable 1.

The above description is made for further details of the present invention with reference to specific embodiments, and it should not be understood that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention belongs to the technical field, and a plurality of simple deductions or replacements can be made without departing from the concept of the present invention, and all should be considered as belonging to the protection scope of the present invention.

Claims

1. The utility model provides a flexible cut hole system of car bumper laser which characterized in that: the device comprises a double-station upper and lower workpiece rotary table, a laser hole cutting machine, a moulding bed storage rack and a robot; the double-station upper and lower part rotating table is provided with two work tables which are symmetrical about the center of the double-station upper and lower part rotating table, and the two work tables can respectively rotate to be positioned in the reachable movement radius of the robot; the laser hole cutting machine and the moulding bed storage rack are both positioned in the reachable movement radius of the robot; the laser hole cutting machine comprises a base, a laser and an operating platform, wherein the laser and the operating platform are fixed on the base; the mould storage rack is provided with a plurality of layers of mould supporting plates which are distributed at intervals from top to bottom, and a first pressing part and a first positioning pin are symmetrically arranged on each mould supporting plate respectively; the robot is used for grabbing the moulding bed.

2. The laser flexible hole cutting system for automobile bumpers according to claim 1 wherein: the working tables are provided with an operating end and a fixed end which are arranged oppositely, the fixed end is arranged close to the center of the double-station upper and lower part rotating table, the operating end is arranged far away from the center of the double-station upper and lower part rotating table, each working table comprises a working plane positioned at the operating end, and a second pressing part, a rolling supporting part and an ejection cylinder which are symmetrically arranged at two sides of the working plane, the second pressing part is used for pressing a tire mould, each rolling supporting part comprises a transition plate positioned below the working plane and a plurality of ball pieces which are uniformly distributed on the transition plate at intervals from the operating end to the fixed end, the cylinder body of the ejection cylinder is fixed below the working plane, a piston rod of the ejection cylinder vertically extends upwards and is fixed with the lower end of the transition plate, and a matching hole suitable for the ball piece to pass through is formed in the working plane.

3. The laser flexible hole cutting system for automobile bumpers according to claim 2 wherein: the workbench further comprises second positioning pins symmetrically arranged on two sides of the working plane.

4. The laser flexible hole cutting system for automobile bumpers according to claim 2 wherein: the workbench further comprises a fixing part located at the fixed end of the workbench, and the fixing part is used for fixing the forming die.

5. The laser flexible hole cutting system for automobile bumpers according to claim 2 wherein: the second pressing portion comprises a second pressing cylinder and a second pressing block, the cylinder body of the second pressing cylinder is fixed to the working plane, and the piston rod of the second pressing cylinder vertically extends and is fixed to the second pressing block.

6. The laser flexible hole cutting system for automobile bumpers according to claim 2 wherein: each ball piece comprises a ball support fixed on the transition plate and a ball arranged at the top end of the ball support.

7. The laser flexible hole cutting system for automobile bumpers according to claim 2 wherein: each rolling support part also comprises at least two buffer blocks arranged at intervals along the length direction of the transition plate.

8. The laser flexible hole cutting system for automobile bumpers according to claim 1 wherein: the X-direction moving assembly comprises X-direction guide rails, X-direction motors, an X-direction screw rod and an X-direction moving seat, wherein the X-direction guide rails are fixed on the operating platform at intervals in parallel, X-direction guide rail grooves extending along the length direction of the X-direction guide rails are formed in each X-direction guide rail, the X-direction motors are fixed on the operating platform and used for driving the X-direction screw rod to rotate, the X-direction screw rod is arranged in the X-direction guide rail grooves and extends along the length direction of the X-direction guide rail grooves, the X-direction moving seat is arranged on the X-direction screw rod and is inserted into the X-direction guide rail grooves, and when the X-direction screw rod rotates, the X-direction moving seat moves along the length direction of the X-direction guide rail grooves.

9. The laser flexible hole cutting system for automobile bumpers according to claim 8 wherein: the Y-direction moving assembly comprises a Y-direction guide rail, a Y-direction motor, a Y-direction screw rod and a Y-direction moving seat, wherein two ends of the Y-direction guide rail are respectively fixed on the two X-direction moving seats, a Y-direction guide rail groove extending along the length direction of the Y-direction guide rail is formed in the Y-direction guide rail, the Y-direction motor is fixed with the Y-direction guide rail and used for driving the Y-direction screw rod to rotate, the Y-direction screw rod is arranged in the Y-direction guide rail groove and extends along the length direction of the Y-direction guide rail groove, the Y-direction moving seat is arranged on the Y-direction screw rod and is inserted into the Y-direction guide rail groove, and when the Y-direction screw rod rotates, the laser head can move along the length direction of the Y-direction guide rail groove along with the Y-direction moving seat.

10. The laser flexible hole cutting system for automobile bumpers according to claim 1 wherein: the first pressing portion comprises a first pressing cylinder and a first pressing block, a cylinder body of the first pressing cylinder is fixed with the tire mold supporting plate, and a piston rod of the first pressing cylinder vertically extends and is fixed with the first pressing block.