CN210937695U - A fast cooling lift exchange table laser cutting machine - Google Patents

Abstract

The utility model discloses a rapid cooling's over-and-under type exchange platform laser cutting machine, it includes the lathe bed, sets up transplant actuating mechanism on the lathe bed, receive transplant actuating mechanism drive carries out the laser cutting head of XYZ axle direction motion, vertically sets up the convulsions dust removal mechanism at lathe bed middle part, with the exchange platform, the setting that just the level slidable was provided with first work platform and second work platform of butt joint of lathe bed are in on the lathe bed will first work platform or second work platform draws in cutting area's workstation business turn over actuating mechanism, setting are in the locking mechanism that just is used for fixed work platform of both sides around on the lathe bed. The utility model discloses can realize work platform's automatic switch-over, avoid going up the shut down of unloading in-process and wait, guarantee in the course of working platform's position precision and radiating effect good, improve equipment life.

Description

A fast cooling lift exchange table laser cutting machine

【Technical field】

The utility model belongs to the technical field of laser cutting for special processing, in particular to a laser cutting machine of a lifting type exchange table with rapid cooling.

【Background technique】

Laser cutting as a special processing method, the main principle is to use the high power density energy generated by the laser generated by the laser to focus under the optical path system to cut the material, which can be widely used in the processing of various metals such as carbon steel, manganese steel, stainless steel , galvanized sheet, aluminum sheet, copper sheet, etc., with the advantages of narrow incision, small heat-affected zone, smooth incision and can cut any shape.

Laser cutting will generate a lot of heat and flying chips during the processing. When it is in a high temperature environment for a long time, many machine tool bodies are prone to deformation, resulting in the deviation of the transplanting trajectory between the working platform and the laser cutting head, which makes the machining accuracy appear. The deviation cannot meet the accuracy requirements; after the working platform is switched, the position of the working platform needs to be precisely positioned to ensure the accuracy of the cutting process, and the laser cutting machine in the prior art has no position stability guarantee measures.

Therefore, it is necessary to provide a new laser cutting machine with a rapid cooling down lift-type exchange table to solve the above problems.

【Content of utility model】

The main purpose of the utility model is to provide a fast cooling lift-type exchange table laser cutting machine, which can realize the automatic switching of the working platform, avoid the shutdown and waiting during the loading and unloading process, and ensure the positional accuracy of the working platform and the heat dissipation during the processing. The effect is good, and the service life of the equipment is improved.

The utility model achieves the above object through the following technical solutions: a rapid cooling lift-type exchange table laser cutting machine, which comprises a machine bed, a transplanting drive mechanism arranged on the machine bed, a transplanting drive mechanism The laser cutting head that drives the XYZ axis movement, the air extraction and dust removal mechanism longitudinally arranged in the middle of the machine tool bed, and the exchange of the first working platform and the second working platform that is docked with the machine tool bed and can be slid horizontally A platform, a table in and out drive mechanism arranged on the machine tool bed to pull the first working platform or the second working platform into the cutting area of the machine tool bed, arranged on the front and rear sides of the machine tool bed The locking mechanism used to fix the working platform.

Further, the machine bed includes left and right wall panels, front and rear wall panels, and several intermediate wall panels arranged at intervals, the left and right wall panels, the intermediate wall panels and the front and rear wall panels The space is divided into several subspaces.

Further, the air extraction and dust removal mechanism includes an air extraction pipeline, an air outlet arranged on the air extraction pipeline and corresponding to the subspaces one-to-one, and a door control device arranged in a one-to-one correspondence with the air outlet, so The door control device includes a first air cylinder, and a control door driven by the first air cylinder to close or open the air outlet.

Further, a guide rail and a rack are provided on the upper surface of the machine bed, and the transplanting driving mechanism includes a first driving member that is driven by pinching and driving the gear and the rack, and a driving member that is fixedly connected to the first driving member. A first movable plate, a beam mounted on the first movable plates on both sides and provided with slide rails and racks, a second drive member driven by gears and the racks on the beams, and the The second movable plate is fixedly connected with the second driving member, and the third driving member is fixed on the second movable plate, and the laser cutting head is driven by the third driving member to move up and down.

Further, the exchange platform includes a support frame, a lift drive unit arranged on the support frame, a guide rail unit driven by the lift drive unit to move up and down, a horizontal slide on the guide rail unit and stacked up and down. The distributed first workbench and the second workbench are arranged at one end of the guide rail unit and are used for fixing the first workbench and the second workbench as a positioning mechanism.

Further, a traction block is provided at one end of the first worktable and the second worktable close to the machine bed, and the traction block is provided with vertically distributed clamping grooves with openings facing outward.

Further, positioning blocks are provided on both sides of the front and rear ends of the first workbench and the second workbench.

Further, the positioning mechanism includes a positioning cylinder, a limit column driven by the positioning cylinder to move horizontally and clamped into the positioning block.

Further, the table entry and exit drive mechanism includes a fourth drive member, a drive sprocket driven by the fourth drive member to rotate, a driven sprocket connected to the drive sprocket through a chain, and a driven sprocket connected to the drive sprocket. A driving roller on the chain and driving the table to move by being clamped into the clamping slot.

Further, the locking mechanism is provided with four groups and is located on the left and right sides of the front and rear ends of the machine tool bed, and includes a second air cylinder, which is driven by the second air cylinder to perform telescopic movement and is inserted into the positioning block. in the locking column.

Compared with the prior art, the utility model has the beneficial effects of the rapid cooling lift-type exchange table laser cutting machine that realizes the automatic switching between the upper and lower stacking working platforms in the cutting area and the loading and unloading positions, and is respectively in the exchange table. The part and the cutting machine part are equipped with a positioning mechanism and a locking mechanism for fixing the worktable, which ensures the stability of the worktable in the loading and unloading position and the cutting position, and ensures the stability of the workpiece loading and unloading and the processing process and the processing accuracy; The machine bed part is equipped with a longitudinally through ventilation and dust removal mechanism, which can quickly absorb chips and heat, and separate areas are controlled individually, which saves energy consumption, and at the same time ensures that the ventilation volume of each sub-space area can meet the demand and ensure ventilation efficiency. Improve the service life of the machine bed.

【Description of drawings】

Fig. 1 is the structural representation of the utility model embodiment;

2 is a schematic diagram of the structure of the transplanting drive mechanism in the embodiment of the present utility model;

3 is a schematic structural diagram of a machine tool bed in an embodiment of the present utility model;

Fig. 4 is the structural schematic diagram of the air extraction and dust removal mechanism in the embodiment of the present utility model;

5 is a schematic structural diagram of a worktable in and out drive mechanism in an embodiment of the present utility model;

6 is a schematic structural diagram of a switching platform in an embodiment of the present invention;

7 is a schematic diagram of a partial structure of a switching platform in an embodiment of the present invention;

8 is a schematic diagram of the partial structure of the positioning mechanism and the guide rail unit in the embodiment of the present invention;

9 is a schematic diagram of a partial structure of a lift drive unit in an embodiment of the present invention;

10 is a schematic structural diagram of a traction block and a positioning block at the end of the worktable in an embodiment of the present invention;

11 is a schematic structural diagram of a locking mechanism in an embodiment of the present invention;

12 is a schematic structural diagram of the worktable in the driving state of the in-out drive mechanism in the embodiment of the present utility model;

The numbers in the figure represent:

100 fast cooling lift exchange table laser cutting machine;

1 Machine bed, 11 left and right wall panels, 12 front and rear wall panels, 13 middle wall panels, 14 subspaces, 15 material guide sloping panels, 16 cover panels, 17 third guide rails; 18 drawer-type waste collection boxes;

2 transplanting drive mechanism, 21 first drive member, 22 first movable plate, 23 beam, 24 second drive member, 25 second movable plate, 26 third drive member;

3 laser cutting head; 4 air extraction and dust removal mechanism, 41 air extraction pipeline, 42 door control device, 421 first cylinder, 422 control door;

5 exchange platform, 51 support frame; 52 protective enclosure; 53 lift drive unit, 531 shaft, 532 third drive, 533 driving sprocket, 534 chain, 535 driven sprocket, 536 connecting plate; 54 guide rail unit, 541C Type support beam, 542 first support surface, 543 second support surface, 544 first guide rail, 545 second guide rail; 55 first worktable, 551 traction block, 552 card slot, 553 positioning block; 56 second worktable ;57 Chip collection box; 58 Positioning mechanism, 581 Positioning cylinder, 582 Limiting column;

6. The table in and out drive mechanism, 61 the fourth drive, 62 driving sprocket, 63 chain, 64 driven sprocket, 65 driving roller; 7 locking mechanism, 71 second cylinder, 72 locking column.

【Detailed ways】

Example:

Please refer to FIGS. 1-12 , the present embodiment is a rapid cooling lift-type exchange table laser cutting machine 100 , which includes a machine bed 1 , a transplanting drive mechanism 2 disposed on the machine bed 1 , and a transplanting drive mechanism 2. The laser cutting head 3 that drives the XYZ axis movement, the air extraction and dust removal mechanism 4 longitudinally arranged in the middle of the machine bed 1, and the first working platform 55 and the second working platform that are docked with the machine bed 1 and are horizontally slidable 56. The exchange platform 5. Set on the machine bed 1 to pull the first working platform 55 or the second working platform 56 into the cutting area of the machine bed 1. The table entry and exit drive mechanism 6, set on the machine bed 1 before and after Locking mechanism 7 on both sides and for fixing the working platform.

The machine bed 1 includes left and right wall panels 11 , front and rear wall panels 12 , and several intermediate wall panels 13 arranged at intervals between the left and right wall panels 11 and the front and rear wall panels 12 . The left and right wall panels 11 , the middle wall panels 13 and the front and rear wall panels 12 divide the central space of the machine bed 1 into several subspaces 14 , and the air extraction and dust removal mechanism 4 passes through all the subspaces 14 and divides them into two. The air extraction and dust removal mechanism 4 includes an air extraction pipeline 41, an air outlet arranged on the air extraction pipeline 41 and corresponding to the subspace 14 one-to-one, and a door control device 42 arranged in a one-to-one correspondence with the air outlet. The device 42 includes a first air cylinder 421 and a control door 422 driven by the first air cylinder 421 to close or open the air outlet. A cover plate 16 for placing the first cylinder 421 in a cavity is disposed above the air extraction pipeline 41 to prevent chips from entering the cylinder and affecting its normal operation.

The periphery of the subspace 14 is provided with a material guide inclined plate 15, and the bottom is provided with a drawer type waste collection box 18. When the chips fall, they are introduced into the drawer type waste collection box 18 through the material guide inclined plate 15, and then are exhausted. The vacuum in the pipeline 41 is quickly sucked away, and the heat generated by the laser processing is sucked away to achieve rapid cooling.

The upper surfaces of the left and right wall panels 11 are provided with guide rails and racks. The transplanting drive mechanism 2 includes a first drive member 21 that is driven by pinching with the rack, a first movable plate 22 fixedly connected to the first drive member 21, and a first movable plate 22 mounted on both sides of the first movable plate 22. The cross beam 23 of the slide rail and the rack, the second driving member 24 driven by the gear and the rack on the cross beam 23, the second movable plate 25 fixedly connected with the second driving member 24, and the second movable plate 25 on the third drive 26 . The laser cutting head 3 is driven by the third driving member 26 to move up and down.

The exchange platform 5 includes a support frame 51, a protective enclosure 52 wrapping the three vertical surfaces of the support frame 51, a lift drive unit 53 arranged on the support frame 51, a guide rail unit 54 driven by the lift drive unit 53 to move up and down, A first worktable 55 and a second worktable 56 that slide horizontally on the guide rail unit 54 and are stacked up and down; The positioning mechanism 58 for fixing the first table 55 and the second table 56 .

The three vertical surfaces of the support frame 51 are enclosed by the protective enclosure 52 , and the first workbench 55 and the second workbench 56 enter and exit from the fourth opening direction.

The lift driving unit 53 is provided with two sets of front and rear parts of the support frame 51, and includes a rotatable shaft 531 erected between the support frames 51; The sprocket 533 , the driven sprocket 535 that realizes transmission through the chain 534 and the driving sprocket 533 , the connecting plate 536 fixed on the chain 534 , and the connecting plate 536 is fixedly connected with the guide rail unit 54 . The two third driving members 532 drive the rotating shaft 531 to rotate at the same time, and then drive the driving sprocket 533 to rotate, the chain 534 performs circular motion, and the connecting plate 536 fixed on the chain 534 moves up and down with the chain 534, thereby realizing the guide rail unit 54 up and down movement.

The guide rail unit 54 includes a C-shaped support beam 541 arranged in parallel on the left and right sides of the support frame 51, a first support surface 542 and a second support surface 543 which are located on the C-shaped support beam 541 and are stacked up and down, and are arranged on the first support surface. The first guide rail 544 on the 542 and the second guide rail 545 arranged on the second support surface 543 . The first worktable 55 is erected on the two first guide rails 544 , and the second worktable 56 is erected on the two second guide rails 545 .

The chip collection box 57 is of a drawer type structure with rollers at the bottom, and a pull rod is provided at the end of the chip collection box 57 to facilitate the operator to pull it out.

The first worktable 55 and the second worktable 56 are provided with a traction block 51 near the outlet end of the support frame 51. The traction block 51 is used for docking with the traction mechanism to realize the cutting and cutting of the first worktable 55 or the second worktable 56 in the loading and unloading area. Switch locations between regions. The pulling block 51 is provided with vertically distributed card slots 52 with openings facing outward. By arranging the card slots 52 to be vertically distributed, after the traction shaft is locked into the card slots 52, the freedom of the traction shaft is restricted in the moving direction of the table to realize driving; The up-and-down movement of the worktable can complete the action of the traction shaft being clamped into the slot 52, and the horizontal transplanting movement of the worktable is not required.

Both the front and rear sides of the first worktable 55 and the second worktable 56 are provided with positioning blocks 553 , and the positioning mechanism 58 includes a positioning mechanism 581 fixed on the C-shaped support beam 541 and driven by the positioning mechanism 581 to move horizontally. And snap into the limit post 582 in the positioning block 553 . When the first worktable 55 or the second worktable 56 is returned to the guide rail unit 54, the corresponding positioning mechanism 581 is activated to drive the limit post 582 to snap into the positioning block 553 to fix the corresponding worktable to achieve positional fixation and prevent occurrence of displacement.

The table entry and exit drive mechanism 6 includes a fourth drive member 61, a driving sprocket 62 driven by the fourth driving member 61 to rotate, and a driven sprocket 64 connected to the driving sprocket 62 through the chain 63, which is fixed on the chain 63 and passes through the chain 63. The driving roller 65 which is snapped into the card slot 52 to drive the table to move.

The inner side of the left and right wall panels 11 of the machine tool bed 1 is provided with a third guide rail 17 , and the first worktable 55 or the second worktable 56 slides on the third guide rail 17 into the cutting area under the driving action of the driving roller 65 .

The locking mechanism 7 is provided with four groups and is located on the left and right sides of the front and rear ends of the machine tool bed 1, and includes a second air cylinder 71, which is driven by the second air cylinder 71 to perform telescopic motion and is inserted into the positioning block 553 by locking posts 72. . The locking column 72 of the locking mechanism 7 on the front and rear sides is locked into the positioning block 553 to realize the locking and positioning of the worktable, effectively preventing the worktable from moving, and ensuring the accuracy of cutting processing.

When working, first, the operator places the workpiece on the first worktable 55, and then drives the guide rail unit 54 to move up and down through the lifting and lowering drive unit 53, and moves the first worktable 55 to the height of the driving roller 65, so that the driving The roller 65 extends into the slot 52 in the traction block 51. Under the driving action of the fourth driving member 61, the first table 55 enters the cutting area together with the chain 63, and is then locked and fixed by the locking mechanism 7 , the laser cutting head 3 cuts the workpiece; during the processing, the operator places the workpiece to be processed on the second table 56; after the processing is completed, the locking mechanism 7 loosens the fixation of the first table 55, The first worktable 55 returns to the guide rail unit 54 along with the chain 63, and is positioned by the positioning mechanism 58; then the lift drive unit 53 drives the guide rail unit 54 to move up and down, and moves with the second worktable 56 to the position of the drive roller 65. height, so that the driving roller 65 extends into the pulling block 51 on the second worktable 56, and pulls the second worktable 56 to the cutting area for processing. The good workpiece is removed to complete the blanking. During the blanking process, the chips on the worktable will fall into the chip collection box 57 below through the hollow worktable; during the processing, the laser cutting head 3 moves to a certain subspace When the area is 14, the door control device 42 corresponding to the area is in an open state to ensure that there is a strong vacuum pumping in the area space, quickly sucking away chips and heat, independent control, and energy saving.

The rapid cooling lift-type exchange table laser cutting machine 100 of this embodiment realizes the automatic switching of the upper and lower stacking working platforms in the cutting area and the loading and unloading positions, and the exchange table part and the cutting machine part are respectively provided with a positioning mechanism for fixing the worktable And the locking mechanism ensures the stability of the worktable at the loading and unloading position and the cutting position, as well as the workpiece loading and unloading and the stability of the processing process and the processing accuracy; the cutting machine bed part is provided with a longitudinally through ventilation and dust removal mechanism. It can quickly suck away chips and heat, and separate areas are controlled separately, saving energy consumption, and at the same time ensuring that the air volume of each sub-space area meets the demand, ensuring the air extraction efficiency, and improving the service life of the machine bed.

The above are only some embodiments of the present invention. For those of ordinary skill in the art, without departing from the inventive concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention.

Claims (10)

1. A lift-type exchange table laser cutting machine for rapid cooling, characterized in that: it comprises a machine bed, a transfer drive mechanism arranged on the machine bed, and is driven by the transfer drive mechanism to carry out XYZ axis directions. A moving laser cutting head, an air extraction and dust removal mechanism longitudinally arranged in the middle of the machine tool bed, an exchange platform docked with the machine tool bed and provided with a first working platform and a second working platform horizontally and slidably, and arranged at the The machine tool bed pulls the first working platform or the second working platform into the cutting area of the machine tool bed. The working platform in and out drive mechanism is arranged on the front and rear sides of the machine tool bed and is used for fixing The locking mechanism of the working platform. 2 . The lifting type exchange table laser cutting machine for rapid cooling according to claim 1 , wherein the machine bed comprises left and right wall panels, front and rear wall panels, and several intermediate wall panels arranged at intervals. 2 . The wall panel, the middle wall panel, and the front and rear wall panels divide the space in the middle of the machine bed into several sub-spaces. 3 . The rapid cooling lift-type exchange table laser cutting machine according to claim 2 , wherein the air extraction and dust removal mechanism comprises an air extraction pipeline, which is arranged on the air extraction pipeline and is one with the subspace. 4 . A corresponding air outlet and a door control device corresponding to the air outlet, the door control device includes a first air cylinder and a control door driven by the first air cylinder to close or open the air outlet. 4. The rapid cooling lift-type exchange table laser cutting machine according to claim 1, characterized in that: the upper surface of the machine bed is provided with guide rails and racks, and the transfer drive mechanism comprises a gear and a rack. The first driving member of the rack kneading transmission, the first movable plate fixedly connected with the first driving member, the beams on which the sliding rails and the racks are arranged on the first movable plates on both sides, and the A second driving member for kneading transmission with the rack on the beam, a second movable plate fixedly connected with the second driving member, and a third driving member fixed on the second movable plate, the The laser cutting head is driven by the third driving member to move up and down. 5 . The rapid cooling lift-type exchange table laser cutting machine according to claim 1 , wherein the exchange platform comprises a support frame, a lift drive unit arranged on the support frame, and a lift drive unit that is connected to the lift drive unit. 6 . A guide rail unit that drives up and down movement, the first working platform and the second working platform that slide horizontally on the guide rail unit and are stacked up and down, are arranged at one end of the guide rail unit and are used to fix the The positioning mechanism of the first working platform and the second working platform. 6. The rapid cooling lift-type exchange table laser cutting machine according to claim 1, wherein a traction block is provided at one end of the first working platform and the second working platform close to the machine bed, so The traction block is provided with vertically distributed card slots with outward openings. 7 . The rapid cooling lift-type exchange table laser cutting machine of claim 5 , wherein positioning blocks are provided on both sides of the front and rear ends of the first working platform and the second working platform. 8 . 8 . The rapid cooling lift-type exchange table laser cutting machine according to claim 7 , wherein the positioning mechanism comprises a positioning cylinder, which is driven by the positioning cylinder to move horizontally and clamped into the positioning block. 9 . limit post. 9 . The rapid cooling lift-type exchange table laser cutting machine according to claim 6 , wherein the in-and-out driving mechanism of the working platform comprises a fourth driving member and a driving chain driven by the fourth driving member to rotate. 10 . A wheel, a driven sprocket connected with the driving sprocket through a chain, and a driving roller fixed on the chain and driving the working platform to move by being clamped into the clamping slot. 10. The rapid cooling lift-type exchange table laser cutting machine according to claim 7, wherein the locking mechanism is provided with four groups and is located on the left and right sides of the front and rear ends of the machine bed, and includes a second locking mechanism. The cylinder is driven by the second cylinder to perform telescopic movement and is clamped into the locking column in the positioning block.

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