CN202053022U - Laser cutting machine - Google Patents

Abstract

The utility model relates to a laser cutting machine, which is composed of a host workbench device and an adjacent material rack device, and is controlled by a control system. The utility model adopts the synchronous lifting mechanism of the material rack to lift the height of the upper and lower sets of material racks on the material rack platform, and uses the workbench transmission mechanism to alternately send the material racks into the workbench for work; During the cutting operation, another set of material racks can carry out loading and unloading operations at the same time, which greatly improves the production efficiency and ensures the safety of the operators. The fiber laser of the utility model can run at high speed on the machine tool, and the positioning and cutting work can be quickly and accurately realized by using the vertical, horizontal and vertical positioning mechanisms controlled by the system, with high precision and safe and reliable actions. The utility model can effectively deal with the smoke and dust generated during cutting through a reasonable wind path design, and is environmentally friendly and safe.

Description

laser cutter

technical field

The utility model relates to a machine tool, in particular to a high-speed optical fiber laser cutting machine. the

Background technique

Laser cutting machine has high operation precision and fast processing efficiency, so it has been widely used. The existing carbon dioxide laser cutting machine has high cutting comprehensive cost, difficult installation, high and frequent maintenance cost; while single workbench or cantilever laser cutting machine is working, it will waste a lot of time for loading and unloading workpieces, and loading and unloading directly on the machine is of great importance. The cutting accuracy of the machine tool itself is also greatly affected. the

Utility model content

The present applicant provides a high-speed fiber laser cutting machine with an exchange workbench aiming at the above-mentioned shortcomings of the existing laser cutting machine. the

The technical scheme adopted in the utility model is as follows:

A laser cutting machine, which is composed of a host workbench device and an adjacent material rack device, and is controlled by a control system;

The workbench device of the main machine includes an integrated workbench frame. Left and right linear guide rails are arranged on the front of the workbench frame. The beam assembly straddles the left and right linear guide rails and slides longitudinally along the guide rails. The horizontal sliding is realized along the horizontal axis, and the vertical sliding of the laser cutting head is realized through the height-lifting components; The dust collector is connected;

The material rack device uses the material rack synchronous lifting mechanism to raise and lower the height of the upper and lower sets of material racks on the material rack platform, and uses the workbench transmission mechanism to alternately send the material racks to the workbench for work;

The rack positioning device is arranged at the end of the host workbench device, and the fixed hook assembly is arranged at the end of the rack device. It is further characterized by:

There are valves between the small chambers in the workbench and the main suction duct. The mechanical control valves that control the opening and closing of the valves are set on the side of the workbench. The cylinder is controlled through the inlet pipe and the outlet pipe. One end of the cylinder is connected to the support of the workbench. Hinged, the piston rod at the other end is hinged with the valve; a hopper is arranged in the small room, and ventilation holes are opened on the lower part of both sides of the hopper.

The workbench transmission mechanism is arranged on the top surface of the workbench, and the output shaft of the workbench transmission motor is connected with the driving sprocket through the reducer in the transmission box, the transmission shaft, and the chain is connected with the driving sprocket and the driven sprocket; The moving sprocket is installed on the driven box, one end of the screw is fixed on one side of the driven box, the other end of the screw is elastically connected to the adjusting frame, and the roller bearing is fixed on the external joint of the chain as a traction wheel through a pin shaft. the

The front end of the material rack frame is equipped with a transmission hook that cooperates with the traction wheel of the workbench transmission mechanism, and the fixed hook that cooperates with the fixed hook assembly is fixed on the rear end face of the material rack frame, and the positioning plate They are respectively installed on the adjacent two sides of the material rack frame, the supporting grid plate is inserted into the slot hole of the material rack frame, and the two sides of the material rack frame are equipped with roller assemblies. the

There are multiple sets of V-shaped roller assemblies on one side of the rack frame, and flat roller assemblies on the other side. The rack is supported on the hexagonal steel rails set on the two channel steel brackets of the synchronous lifting mechanism of the rack through the roller assemblies on both sides. the

The motor of the rack synchronous lifting mechanism distributes the power synchronously to the front and rear groups of four pinion shafts through the transmission distribution device, and the pinion gear on the pinion shaft meshes with the large gear; Each channel steel bracket is equipped with front and rear support seats; the central axis of the large gear is fixed on the frame, and holes are set on the disk surfaces of the four large gears at a certain distance from the center of the gear circle, and the surface of the gear disk and the channel steel are supported by the support shaft. The seat is hinged. the

The structure of the transmission distribution device is that the output shaft of the motor is input into the reducer, the output shafts at both ends of the reducer are respectively connected to the input shafts of two identical gear steering boxes at the front and rear, and the output shafts at both ends of the gear steering box are connected to the left and right two respectively. root pinion shaft. the

The fixing hook assembly of the material rack is respectively fixed with two sets of cylinder bodies on the upper and lower parts of the installation frame, and telescopic pins are arranged in the cylinder bodies, and the head of the telescopic pins is provided with positive and negative slopes, and the middle part of the telescopic pins is matched with the copper sleeve in the cylinder body. The spring is sleeved on the lower part of the telescopic pin, and a baffle plate and a baffle plate are fixed by nuts at the bottom of the cylinder body; a baffle plate frame is installed on the side of the cylinder body, and a buffer pad and a proximity switch are arranged on the baffle plate frame. the

The cylinder base of the rack positioning device is fixed on the main frame through the mounting plate, the positioning cylinder is installed on the bottom of the cylinder base, a proximity switch is installed on the side of the cylinder base, a positioning pin is set on the top of the piston rod of the positioning cylinder, and a positioning pin is set on the side of the cylinder. The upper and lower magnetic switches; the positioning seat is installed on the movable material rack, and the induction folding plate is installed on the side of the positioning seat; the lower copper sleeve is installed in the cylinder seat hole, and the upper copper sleeve is installed in the positioning seat hole. The pin moves in the upper and lower copper sleeves. the

The utility model adopts the synchronous lifting mechanism of the material rack to lift the height of the upper and lower sets of material racks on the material rack platform, and uses the workbench transmission mechanism to alternately send the material racks into the workbench for work; During the cutting operation, another set of material racks can carry out loading and unloading operations at the same time, which greatly improves the production efficiency and ensures the safety of the operators. The fiber laser of the utility model can run at high speed on the machine tool, and the positioning and cutting work can be quickly and accurately realized by using the vertical, horizontal and vertical positioning mechanisms controlled by the system, with high precision and safe and reliable actions. The utility model can effectively deal with the smoke and dust generated during cutting through a reasonable wind path design, and is environmentally friendly and safe. the

Description of drawings

Fig. 1 is the front view of the utility model. the

FIG. 2 is a top view of FIG. 1 . the

Fig. 3 is a right side view of Fig. 1 . the

Fig. 4 is a perspective view of the workbench. the

Fig. 5 is a perspective view of a longitudinally sliding beam assembly. the

Fig. 6 is a perspective view of the lateral sliding mechanism on the beam assembly. the

Fig. 7 is a sectional view of the ventilation device. the

Fig. 8 is a front view of Fig. 7 . the

Fig. 9 is a top view of the workbench transmission mechanism. the

FIG. 10 is a perspective view of FIG. 9 . the

Fig. 11 is a perspective view of the rack. the

Fig. 12 is a right side view of Fig. 11 . the

Fig. 13 is a cross-sectional view of the rack device. the

Fig. 14 is a perspective view of the rack synchronous lifting mechanism. the

Figure 15 is a front view of the rack fixing hook assembly. the

FIG. 16 is a perspective view of FIG. 15 . the

Fig. 17 is a perspective view of the rack positioning device. the

Fig. 18 is a perspective view of the cooperative working state of Fig. 17 . the

Detailed ways

Below in conjunction with accompanying drawing, illustrate the specific embodiment of the present utility model. the

As shown in Fig. 1 to Fig. 3, the laser cutting machine described in the utility model is composed of a host workbench device 1 and an adjacent rack device 2, and is controlled by a numerical control system 3. The host workbench device 1 includes an integrated workbench 4, and left and right linear guide rails are arranged on the front of the workbench 4. The beam assembly 5 straddles the left and right linear guide rails and can slide along the guide rail in the X-axis (longitudinal direction) , the crossbeam assembly 5 is provided with a lateral movement assembly 6 that can realize the Y-axis (horizontal) sliding along the horizontal axis, and the fiber laser cutting head 8 realizes the Z-axis (vertical) sliding through the height lifting assembly 7. Fiber laser cutting The head 8 is connected to a fiber laser power supply 12 through a cable. The lower part of the workbench 4 is divided into several small chambers 9 arranged longitudinally and the main suction duct 10 at the front by a partition, and the main suction duct 10 is connected with the exhaust dust collector 11; Structure 13 for protection. The material rack device 2 lifts the upper and lower two sets of material racks 15 on the material rack platform by the material rack synchronous lifting mechanism 14, and utilizes the workbench transmission mechanism 16 to alternately send the material racks 15 into the workbench for work. The rack positioning device 19 is arranged on the end of the main frame device 1 to ensure the accurate positioning of the rack on the main frame device 1; 2 fixed. Both the bottoms of the host workbench device 1 and the rack device 2 are supported by adjustable feet 17 . the

As shown in Figure 4, the integrated workbench 4 adopted by the utility model is welded into a frame structure by square tube profiles 101, and the size of the frame can be determined according to the size of the workpiece. Welded with thin steel plates, separated into a number of small chambers 9 of equal geometrical size arranged longitudinally and the main suction duct 10 at the front; the left and right sides of the top of the workbench are equipped with longitudinal linear guide rails 104 and longitudinal racks 103, and the longitudinal linear The guide rail 104 is a precision grade guide rail, and the longitudinal rack 103 is a helical tooth type. the

As shown in Figure 5, one end of the beam 105 of the beam assembly 5 is fixed on the main frame 106, and the other end is floatingly connected to the sub-frame 108 through the linear guide rail pair 107, and the bottom surfaces of the main frame 106 and the sub-frame 108 are equipped with sliding Block 109 cooperates with the vertical linear guide rail 104 of workbench 4 to realize the longitudinal sliding on workbench 4, and the sides of main frame 106 and subframe 108 are equipped with longitudinal driving motor 110 by mounting seat, and longitudinal drive The output end of the motor 110 is provided with a longitudinal drive helical gear 111 , the helical gear 111 cooperates with the longitudinal rack 103 , and the motor 110 provides longitudinal drive. the

As shown in Figure 6, two parallel lateral rolling guide rails 115 and lateral drive helical racks 114 are provided on the side of the beam 105, the front plate 117 of the mobile body is provided with a slider 116 to engage with the guide rail 115, and the top plate of the mobile body is provided with a lateral Servo drive motor 112, the output shaft of the transverse servo drive motor 112 is connected to the transverse drive helical gear 113, the helical gear 113 meshes with the helical rack 114, and the motor 112 provides the transverse drive along the beam. The height lifting assembly 7 and the fiber laser cutting head 8 are arranged on the front of the front plate 117 of the moving body, so as to realize the flexible sliding and positioning of the fiber laser cutting head 8 in the three-axis direction. the

As shown in Figures 7 and 8, the integrated workbench 4 of the present utility model is divided into several small chambers 9 with equal geometric dimensions arranged longitudinally and the main air suction channel 10 at the front by profiles and plates. The duct 10 is connected with the exhaust dust collector 11, and a valve 122 is arranged between each small chamber 9 and the main air suction duct 10, and the mechanically controlled valve 118 arranged on the side of the workbench 4 controls the cylinder 121 through the inlet pipe and the outlet pipe, and the cylinder 121 One end is hinged with the workbench support, and the piston rod at the other end is hinged with the valve 122 . A hopper 119 is arranged in the small chamber 9, and the hopper 119 is formed by bending a sheet metal, and the two ends are welded with end plates to seal, and several ventilation holes 120 are opened at the bottom of both sides of the hopper. When the air extraction control system is working, the impact block installed on the beam assembly 5 and moved by the frame will contact the pneumatic motor control valve set on the workbench. The mechanical control valve is connected to the cylinder through the air inlet and outlet pipes. Connection, the valve can be opened and closed. The opening can be up to 45°. After opening, the smoke and dust in the exhaust room can enter the air duct through the valve, and the dust collector communicates with the air duct through the suction port. Storage and compression air intake and ventilation. the

As shown in Fig. 9 and Fig. 10, the utility model is arranged on the top surface of the workbench 4 in the workbench transmission mechanism 16, and the output shaft of the workbench drive motor 130 passes through the reducer, transmission shaft and active chain in the transmission box 131. Wheel 134 is connected, and chain 135 connects driving sprocket 134 and driven sprocket 137; Driven sprocket 137 is installed on the driven case 136, and one end of screw rod 138 is fixed on the side of driven case 136, and the other end of screw rod elastically connects On the adjusting frame 139, a roller bearing 133 is fixed as a traction wheel by a bearing pin 132 on the external joint of the chain 135. During actual work, the rotation of the variable frequency motor 130 drives the worm reducer and the transmission shaft to drive the driving sprocket 134 to rotate, thereby driving the chain 135 to move between the driving sprocket 134 and the driven sprocket 137, and the rollers on the external joints of the chain 135 Bearing 133 also moves thereupon, enters the transmission hook 140 on the workbench material rack on the motion track and drives the workbench material rack to move. By adjusting the nut on the screw rod 138, the driven box 136 is moved toward the adjustment frame 139, so that the chain 135 is tensioned. the

As shown in Figure 11 and Figure 12, the material rack 15 is equipped with a fixed hook 146 on the front end of the material rack frame 142 and is fixed with screws, and the transmission hook 140 is fixed on the rear end face of the material rack frame 142 with screws, and the positioning plates 144 are installed respectively. On the front end and the right side of the material rack frame 142, the hex head bolt 145 is installed in the threaded hole above the positioning plate 144, and the support grid plate 141 is inserted in the slot hole above the material rack frame 142, and the material rack frame 142 is two Roller assembly 143 is equipped with on the side. As shown in Figure 13, V-shaped roller assemblies 147 and flat roller assemblies 148 are arranged in the roller mounts 143 on both sides of the material rack frame 142, and the material rack 15 is supported on the material rack synchronous lifting mechanism 14 by two channel steels through the roller assemblies on both sides. On the hexagonal steel track 149 provided by the bracket 150, the V-shaped roller assembly 147 mainly plays the role of motion support and positioning guidance during the movement process. When the synchronous lifting mechanism drives the material rack to the predetermined position, the transmission hook and the horizontal chain drive The traction wheels on the mechanism engage to drive the material rack to move on the hexagonal steel track 149, and ensure that the material rack 15 is stable and smooth during the movement and will not break away from the track 149. This avoids that if the roller assemblies on both sides use V-shaped rollers at the same time, the material rack is easily jammed during the movement on the hexagonal steel track; Inadequacies such as rails ensure the smooth sliding of the material rack. the

As shown in Figure 14, the material rack synchronous lifting mechanism 14 of the present utility model uses the motor 157 as the power output part, and its output shaft is connected to the input end of the worm reducer 156, and the output shafts at both ends of the worm reducer 156 are respectively connected to two identical motors. The input shaft of the bevel gear steering box 155, the left and right two end shafts of the two bevel gear steering boxes 155 are respectively connected to the left and right pinion shafts, the pinion shaft ends are provided with pinion gears 154, four pinion gears 154 is meshed with four large gear discs 153 respectively, and is provided with holes on the disc surfaces of the four large gear discs 153; , the face of the gear plate is hinged to the channel steel support base 151 through the support shaft 152 . During actual work, the motor 157 rotates positively and negatively under the control of the system. After the worm reducer 156 is divided into two and the two identical bevel gear steering boxes 155 are divided into four, then the pinion 154 and the large The gear meshing transmission of the gear plate 153, through the hinged action of the support shaft 152, makes the channel steel brackets 150 on the left and right sides do positive and negative synchronous circular lifting movements, and finally the material rack 15 placed on the left and right channel steel brackets 150 also performs positive and negative movements. Anti-synchronous circular lifting motion. the

As shown in Figure 15 and Figure 16, the utility model realizes the fixing of the material rack 15 on the material rack device 2 through the material rack fixing hook assembly 18, and the fixing hook assembly 18 is provided at the end of the material rack device 2 (see Figure 1). On the rack frame 142, the cylinder block 169 is fixed by the mounting frame 168 and the upper and lower transition plates. The copper sleeve 163 is installed in the cylinder block 169. The telescopic pin 165 slides up and down in the copper sleeve 169. Pin 165 bottom, telescopic pin 165 tops are provided with positive and negative two slopes, and the slope of positive slope 161 is gentler, and the slope of reverse slope 162 is steeper; The movable nut adjusts the spring 164; the baffle frame 171 is set on the side of the cylinder body 6, and the buffer pad, the proximity switch 170 and the hose connector are installed on the baffle frame 171 respectively. During actual work, the material rack 15 slides on the hexagonal steel track 149 on the two channel steel brackets 150. When the hook 146 at one end of the material rack 15 moves and touches the positive slope 161 at the top of the telescopic pin 165, the telescopic pin 165 overcomes the force of the spring 164. Elasticity moves downward, when the hook passes the highest point of the telescopic pin 165, the telescopic pin 165 moves upward under the action of the spring 164, and when the material rack 15 continues to move forward, it touches the baffle frame 171 installed on the side of the cylinder body 169 When putting on the buffer pad, the proximity switch 170 senses and feeds back to the control system. At this time, the telescopic pin 165 uses the reverse slope 162 to fix the fixed hook 146 of the material rack 15 under the action of the spring 164 . Therefore, the utility model slides up and down the telescopic pin with two slopes at the upper end of the two sets of cylinders installed on the mounting frame, and realizes the up and down movement of the telescopic pin and the fixed hook through the active force of the spring; through the buffer pad and the proximity switch Make the system sense the position of the material rack, so as to realize the starting point control of the upper and lower material rack conversion. the

As shown in Figure 17 and Figure 18, the utility model ensures the accurate positioning of the material rack on the host workbench device 1 through the rack positioning device 19, and the rack positioning device 19 is arranged at the end of the host workbench device 1 (see Fig. 1). One side of the installation flap 187 is installed on the workbench 4 with fasteners, and the other side is fixed to the thin cylinder 186 by the cylinder block. The upper magnetic switch 188 and the lower magnetic switch 189 are installed on the thin cylinder 186 side respectively, and the proximity switch 185 Installed on the side of the cylinder block, the lower end of the positioning pin 183 is threaded to connect the piston rod of the thin cylinder 186; The hole 181 and the induction folding plate 182 are installed on the side of the positioning seat 180 . During actual work, the material rack 15 slides on the workbench 4. When the positioning seat 180 moves to the upper part of the cylinder block, the proximity switch 185 detects the in-position signal of the induction folding plate 182 of the positioning seat 180 above, and the system controls the air circuit The piston rod of the thin cylinder 186 drives the positioning pin 183 to protrude upwards, and the positioning pin 183 enters the hole 181 installed in the positioning seat 180. Since the upper end of the positioning pin 183 and the lower end of the hole 181 have a chamfer, even if there is a little deviation in the positioning seat 180 , the positioning pin 183 can still enter the hole 181, so that the positioning of the material rack 15 connected to the positioning seat 180 is accurate, and the upper magnetic switch 188 on the outside of the thin cylinder 186 detects whether the piston rod and the positioning pin move up and down in place, and then feeds back to the system Let the device go to the next step. After the work is completed, the system controls the air path so that the piston rod of the thin cylinder 186 drives the positioning pin 183 to descend to leave the positioning seat 180, and the lower magnetic switch 189 on the outside of the thin cylinder 186 feeds back to the system to allow the workbench material rack to leave. the

The material rack device 2 of the present utility model lifts the upper and lower two sets of material racks 15 on the material rack platform by the material rack synchronous lifting mechanism 14. When the material rack synchronous lifting mechanism 14 rises to the highest point, the lower set of material racks will The transmission hook 140 on the left side of the frame 15 meshes with the roller bearing 133 of the worktable transmission mechanism 16, and the workbench transmission mechanism 16 pulls the lower material rack 15 into the workbench, and the material rack positioning device 19 ensures that it is accurately in place; then the optical fiber The laser cutting head 8 carries out the cutting operation under the effect of the vertical, horizontal and vertical positioning mechanism controlled by the system; When the cutting operation is completed, the worktable transmission mechanism 16 guides the lower material rack 15 back to the material rack device 2, and realizes the placement and fixing of the material rack 15 through the material rack fixing hook assembly 18. At this time, the material rack synchronous lifting mechanism 14 reverses the circle Move to the lowest point, now the transmission hook 140 on the left side of the upper material rack 15 meshes with the roller bearing 133 of the workbench transmission mechanism 16, and the workbench transmission mechanism 16 pulls the upper material rack 15 into the workbench and performs cutting operations, while Operators can perform loading and unloading operations on workpieces on the lower rack 15 . Therefore, loading and unloading operations can be carried out at the same time as the cutting operation, which greatly improves the production efficiency. the

The above description is an explanation of the utility model, not a limitation of the utility model. For the limited scope of the utility model, please refer to the claims. Without violating the spirit of the utility model, the utility model can be modified in any form, such as this All parts of the utility model can also be used in other similar machine tools. the

Claims (9)

1. laser cutting machine is characterized in that:

Bin device by host work table apparatus and adjacency is formed, and controls by control system;

The host work table apparatus comprises the Working gantry of integral type, be provided with left and right sides line slideway in the front of Working gantry, transverse beam assembly is across realize straight skidding on the line slideway of the left and right sides and along guide rail, transverse beam assembly is provided with horizontal moving assembly and realizes horizontal slippage along transverse axis, and laser cutting head is realized vertical slippage by the lift in height assembly; The Working gantry bottom adopts dividing plate to be separated into several cells arranged side by side and anterior main air draught road, and main air draught road is connected with the ventilation and dust removal device;

The bin device utilizes the bin synchronization lifting mechanism that the two cover bins up and down on the bin platform are carried out lift in height, and utilizes table transmission mechanism that bin is alternately sent into workbench and carry out work;

The bin positioner is arranged on the end of host work table apparatus, and the fixed hook assembly is provided with the end of bin device.

2. according to the described laser cutting machine of claim 1, it is characterized in that: be provided with valve between each cell and the main air draught road in the Working gantry, each machine control valve that by-pass valve control opens and closes is arranged at the Working gantry side, by air inlet pipe and escape pipe control cylinder, cylinder one end and Working gantry bearing are hinged, and the piston rod and the valve of the other end are hinged; Be provided with hopper in cell, hopper two side lower parts have air vent.

3. according to the described laser cutting machine of claim 1, it is characterized in that: described table transmission mechanism is arranged on the end face of Working gantry, the output shaft of workbench driving motor is connected with drive sprocket by reductor, the power transmission shaft in the transmission case, and chain connects drive sprocket and driven sprocket; Driven sprocket is installed on the driven headstock, and an end of screw rod is fixed on driven headstock one side, and the other end of screw rod is elastically connected on the adjusting bracket, passes through bearing pin fixed idler whell bearing as traction wheel on the outside joint of chain.

4. according to the described laser cutting machine of claim 1, it is characterized in that: described bin is equipped with the transmission grab that cooperates with the traction wheel of described table transmission mechanism at the front end face of bin framework, the fixed hook that cooperates with described fixed hook assembly is fixed in the rear end face of bin framework, location-plate is installed on the adjacent two sides of bin framework respectively, support screen and be plugged in the slotted eye of bin framework, roll wheel assembly is equipped with in bin framework two sides.

5. according to the described laser cutting machine of claim 1, it is characterized in that: bin framework one side is provided with many group V-arrangement roll wheel assemblies, the opposite side correspondence is provided with the flat roller assembly, and bin is supported on the hexagonal steel track that is provided with on the two channel-section steel supports of bin synchronization lifting mechanism by the both sides roll wheel assembly.

6. according to the described laser cutting machine of claim 1, it is characterized in that: two groups of totally four pinion shafts before and after the motor of described bin synchronization lifting mechanism is dispensed to power synchronously by the transmission distributor, the pinion on the pinion shaft is meshed with gear wheel; About the channel-section steel support is provided with two, supporting seat before and after every channel-section steel support is provided with; The gear wheel central shaft is fixed on the frame, on the card of four gear wheels, be provided with porosely apart from gear center of circle certain distance, by back shaft toothed disc face and channel-section steel supporting seat is hinged.

7. according to the described laser cutting machine of claim 6, it is characterized in that: the output shaft input reductor that described transmission distributor structure is a motor, the power shaft of two identical gear steering boxs before and after the two ends output shaft of reductor is connected respectively to, two pinion shafts about the two ends output shaft of gear steering box is connected respectively to.

8. according to the described laser cutting machine of claim 1, it is characterized in that: described bin fixed hook assembly is fixed with two cover cylinder bodies respectively in the top and the bottom of installing rack, flexible pin is set in the cylinder body, flexible pin head is provided with positive reverse slope, flexible pin middle part and the interior copper sheathing matched in clearance of cylinder body, spring housing is located at flexible pin bottom, is fixed with baffle plate and catch in cylinder base by nut; At described side of cylinder block the baffle plate frame is installed, the baffle plate frame be provided with cushion pad with near switch.

9. according to the described laser cutting machine of claim 1, it is characterized in that: the cylinder seat of described bin positioner is fixed on the mainframe by installing plate, the location cylinder is installed in the cylinder seat bottom, install near switch in the side of cylinder seat, the piston rod part of location cylinder is provided with alignment pin, in the side of cylinder upper and lower magnetic switch is set; Positioning seat is installed in movably on the bin, in the side of positioning seat the induction flap is installed; Copper sheathing under installing in the cylinder seat hole is installed copper sheathing in the positioning seat hole, described alignment pin moves in upper and lower copper sheathing.

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