CN210937726U - A lifting exchange platform for laser cutting machine - Google Patents

Abstract

The utility model discloses a lift exchange platform for a laser cutting machine, which comprises 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, and a guide rail unit that slides horizontally on the guide rail unit. And the first worktable and the second worktable are stacked up and down, the chip collection box is arranged at the bottom of the support frame and is used for collecting chips, and the chip collecting box is arranged at one end of the guide rail unit and used to fix the first worktable and the second worktable. The positioning mechanism, the lifting and driving unit is provided with two sets of two groups located in the front and rear parts of the support frame and includes a rotatable shaft that is erected between the support frames, a servo drive that drives the shaft to rotate, and a driving sprocket fixed at both ends of the shaft. The driving sprocket realizes the driven sprocket for transmission, the connecting plate fixed on the chain, and the connecting plate is fixedly connected with the guide rail unit. The utility model improves the platform lifting stability and platform positioning stability.

Description

A lifting exchange platform for laser cutting machine

【Technical field】

The utility model belongs to the technical field of laser cutting for special processing, in particular to a lift-type exchange platform for a laser cutting machine.

【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.

In the traditional single-platform laser cutting machine, after the steel plate is cut on the worktable, the machine needs to stop cutting and move to the back end of the machine. At this time, the operator will remove all the cut workpieces from the worktable and clean up the tailings. , the new board can be transported to the workbench after it is cleaned up, and then start cutting. During this period, the process of loading and unloading and cleaning the tail material takes a long time, and the cutting machine must be stopped at this time, which is a serious waste of time and greatly reduces the cutting efficiency.

In the prior art, some exchangeable double working platforms have also been developed to realize automatic replacement, but there are certain defects in the lifting stability of the working platform. The lifting and lowering is realized by the oil cylinder. During the lifting process, it is easy to have a sudden shock when it stops, resulting in bumping or bouncing and shifting of the workpiece placed on the working platform; It is easy to cause the sliding of the working platform during the loading and unloading process of the workpiece to affect the working platform being processed; during the loading and unloading process, there are many machining chips left on the working platform, which are scattered under the exchange platform to cause clutter, and even fall into the platform in serious cases. The platform is stuck on the guide rail.

Therefore, it is necessary to provide a new lifting exchange platform for laser cutting machines to solve the above problems.

【Content of utility model】

The main purpose of the utility model is to provide a lift-type exchange platform for a laser cutting machine, which improves the stability of the platform's lifting and the platform's positioning stability.

The utility model achieves the above purpose through the following technical solutions: a lift exchange platform for a laser cutting machine, which comprises a support frame, a lift drive unit arranged on the support frame, a lift drive unit driven by the lift drive unit to move up and down A guide rail unit, a first worktable and a second worktable that slide horizontally on the guide rail unit and are stacked up and down, a chip collection box disposed at the bottom of the support frame and used to collect chips, disposed on the guide rail One end of the unit is used to fix the positioning mechanism of the first workbench and the second workbench. The lift drive unit is provided with two sets of front and rear parts of the support frame and includes a rotatable frame mounted on the support A rotating shaft between the frames, a servo drive that drives the rotating shaft to rotate, a driving sprocket fixed at both ends of the rotating shaft, a driven sprocket that realizes transmission through the chain and the driving sprocket, and a driven sprocket that is fixed on the chain The connecting plate is fixedly connected with the guide rail unit.

Further, it also includes a protective enclosure surrounding the three vertical surfaces of the support frame, the three vertical surfaces of the support frame are surrounded by the protective enclosure, the first workbench and the second The workbench enters and exits from the fourth opening.

Further, the guide rail unit includes a C-shaped support beam arranged in parallel on the left and right sides of the support frame, a first support surface and a second support surface that are located on the C-shaped support beam and are stacked up and down, and are arranged on the C-shaped support beam. The first guide rail on the first support surface and the second guide rail arranged on the second support surface.

Further, the first worktable is erected on the two first guide rails, and the second worktable is erected on the two second guide rails.

Further, the chip collection box is a drawer-type structure with a roller at the bottom, and a pull rod is provided at the end of the chip collection box.

Further, traction blocks are provided on the first workbench and the second workbench near the outlet end of the support frame.

Further, the traction block is provided with vertically distributed card slots with outward openings.

Further, positioning blocks are also provided on both sides of one end of the first workbench and the second workbench, and the positioning mechanism is provided with four sets of two guide rail units located on the two guide rail units, and includes: The positioning cylinder fixed on the C-shaped support beam is driven by the positioning cylinder to move horizontally and is clamped into a limit column in the positioning block.

Compared with the prior art, the beneficial effect of the lifting type exchange platform for a laser cutting machine of the present invention is that the automatic switching between the upper and lower stacked working platforms in the cutting area and the loading and unloading positions is realized, and the guide rail is realized through the chain wheel chain. The up and down movement of the unit drives the working platform to realize the lifting movement at the same time. The sprocket chain drives and is driven by the servo motor, which effectively avoids the frustration of the oil cylinder or cylinder drive, and greatly improves the stability of the working platform lifting; and on the guide rail unit The positioning mechanism is set up so that the worktable can be kept stable and non-slip when it is on the guide rail unit, which ensures the machining accuracy of the workpiece; the chip collection box set under the worktable can effectively prevent the chips from falling into the guide rail and affecting the sliding of the platform.

【Description of drawings】

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

Fig. 2 is a partial structural schematic diagram of an embodiment of the present utility model;

Fig. 3 is the partial structural schematic diagram of the positioning mechanism and the guide rail unit in the embodiment of the present utility model;

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

Fig. 5 is the structural schematic diagram of the pulling block and the positioning block at the end of the worktable in the embodiment of the present utility model;

The numbers in the figure represent:

100 lift exchange platform for laser cutting machine;

1 support frame; 2 protective enclosure; 3 lift drive unit, 31 shaft, 32 servo drive, 33 driving sprocket, 34 chain, 35 driven sprocket, 36 connecting plate; 4 guide rail unit, 41C type support beam, 42 First support surface, 43 second support surface, 44 first guide rail, 45 second guide rail; 5 first worktable, 51 traction block, 52 card slot, 53 positioning block; 6 second worktable; 7 chip collection box ; 8 positioning mechanism, 81 positioning cylinder, 82 limit column.

【Detailed ways】

Example:

Please refer to FIGS. 1 to 5 , the present embodiment is a lift-type exchange platform 100 for a laser cutting machine, which includes a support frame 1 , a protective enclosure 2 surrounding the three vertical surfaces of the support frame 1 , and arranged on the support frame 1 The lift drive unit 3, the guide rail unit 4 that is driven by the lift drive unit 3 to move up and down, the first worktable 5 and the second worktable 6 that slide horizontally on the guide rail unit 4 and are stacked up and down, are arranged on the support frame. 1. A chip collection box 7 at the bottom and used for collecting chips, and a positioning mechanism 8 provided at one end of the guide rail unit 4 and used for fixing the first worktable 5 and the second worktable 6.

The three vertical surfaces of the support frame 1 are enclosed by the protective enclosure 2, and the first workbench 5 and the second workbench 6 enter and exit from the fourth opening direction.

The lift drive unit 3 is provided with two sets of front and rear parts of the support frame 1 , and includes a rotatable shaft 31 erected between the support frames 1 , a servo drive 32 for driving the shaft 31 to rotate, and a drive chain fixed at both ends of the shaft 31 . The wheel 33 , the driven sprocket 35 that realizes transmission through the chain 34 and the driving sprocket 33 , the connecting plate 36 fixed on the chain 34 , and the connecting plate 36 is fixedly connected with the guide rail unit 4 . The two servo drives 32 drive the rotating shaft 31 to rotate at the same time, and then drive the driving sprocket 33 to rotate, the chain 34 performs circular motion, and the connecting plate 36 fixed on the chain 34 moves up and down along with the chain 34, thereby realizing the movement of the guide rail unit 4. Movement up and down.

The guide rail unit 4 includes a C-shaped support beam 41 arranged in parallel on the left and right sides of the support frame 1, a first support surface 42 and a second support surface 43 which are located on the C-shaped support beam 41 and are stacked up and down, and are arranged on the first support surface. The first guide rail 44 on the 42 , the second guide rail 45 arranged on the second support surface 43 . The first worktable 5 is erected on the two first guide rails 44 , and the second worktable 6 is erected on the two second guide rails 45 .

The chip collection box 7 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 7 to facilitate the operator to pull it out.

The first worktable 5 and the second worktable 6 are provided with a traction block 51 near the outlet end of the support frame 1. The traction block 51 is used for docking with the traction mechanism to realize the cutting and cutting of the first worktable 5 or the second worktable 6 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.

The first workbench 5 and the second workbench 6 are also provided with positioning blocks 53 on both sides of one end. The positioning mechanism 8 is provided with four sets of two guide rail units 4 that are divided into two groups. The positioning cylinder 81 on the support beam 41 is driven by the positioning cylinder 81 to move horizontally and is clamped into the limiting column 82 in the positioning block 53 . When the first worktable 5 or the second worktable 6 returns to the guide rail unit 4, the corresponding positioning cylinder 81 is activated to drive the limiting column 82 to be inserted into the positioning block 53 to fix the corresponding worktable to achieve positional fixation and prevent occurrence of displacement.

When working, first, the operator places the workpiece on the first worktable 5, and then drives the guide rail unit 4 to move up and down through the lift drive unit 3, and moves the first worktable 5 to the corresponding height of the external traction unit, so that the external The traction shaft extends into the slot 52 in the traction block 51, and the external traction unit pulls the first worktable 5 into the cutting area for processing; during the processing, the operator places the workpiece to be processed on the second worktable 6 After the processing is completed, the external traction unit pushes the first worktable 5 back to the guide rail unit 4, and is positioned by the positioning mechanism 8; then the lift drive unit 3 drives the guide rail unit 4 to move up and down, with the second worktable 6 Move to the corresponding height of the external traction unit, so that the external traction shaft extends into the traction block 51 on the second worktable 6, and the second worktable 6 is pulled out to the cutting area for processing. The workpiece processed on a worktable 5 is removed to complete the blanking process. During the blanking process, the chips on the worktable will fall into the chip collection box 7 below through the hollow worktable.

The lifting exchange platform 100 for the laser cutting machine in this embodiment realizes the automatic switching between the upper and lower stacking working platforms in the cutting area and the loading and unloading positions, and realizes the upward and downward movement of the guide rail unit through the sprocket chain, and simultaneously drives the working platform to realize the lifting movement, The sprocket chain is driven and driven by a servo motor, which effectively avoids the frustration of oil cylinder or cylinder drive, and greatly improves the stability of the lifting of the working platform; and a positioning mechanism is set on the guide rail unit, so that the working table can be placed on the guide rail unit. It is stable and does not slide, which ensures the machining accuracy of the workpiece; the chip collection box set under the worktable can effectively prevent the chips from falling into the guide rail and affecting the sliding of the platform.

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 (8)

1. The utility model provides a laser cutting machine is with over-and-under type exchange platform which characterized in that: which comprises a supporting frame, a lifting driving unit arranged on the supporting frame, a guide rail unit driven by the lifting driving unit to move up and down, a first workbench and a second workbench which horizontally slide on the guide rail unit and are distributed in an up-and-down laminated manner, a cutting scrap collecting box arranged at the bottom of the supporting frame and used for collecting cutting scraps, and a positioning mechanism arranged at one end of the guide rail unit and used for fixing the first workbench and the second workbench, the lift drive unit is provided with two sets of being located support frame's front and back part just includes rotatable erects pivot, drive between the support frame the rotatory servo driving piece of pivot, fix the drive sprocket at pivot both ends, through the chain with drive sprocket realizes driven sprocket, fixes connecting plate on the chain, the connecting plate with guide rail unit fixed connection.

2. The lift-type exchange platform for a laser cutting machine of claim 1, wherein: still including the parcel live the fender of the three vertical face of braced frame encloses the fender, braced frame's three vertical face quilt the protection encloses the fender and encloses, first workstation with the second workstation passes in and out from fourth opening direction.

3. The lift-type exchange platform for a laser cutting machine of claim 1, wherein: the guide rail unit comprises C-shaped supporting beams arranged on the left side and the right side of the supporting frame in parallel, a first supporting surface and a second supporting surface which are arranged on the C-shaped supporting beams and distributed in an up-and-down laminated mode, a first guide rail arranged on the first supporting surface, and a second guide rail arranged on the second supporting surface.

4. The lift-type exchange platform for a laser cutting machine of claim 3, wherein: the first working table is arranged on the two first guide rails, and the second working table is arranged on the two second guide rails.

5. The lift-type exchange platform for a laser cutting machine of claim 1, wherein: the cutting chip collecting box is of a drawer type structure, the bottom of the cutting chip collecting box is provided with a roller, and the end part of the cutting chip collecting box is provided with a pull rod.

6. The lift-type exchange platform for a laser cutting machine of claim 1, wherein: and the first workbench and the second workbench are close to the outlet end of the support frame and are provided with traction blocks.

7. The lift-type exchange platform for a laser cutting machine of claim 6, wherein: the traction block is provided with clamping grooves which are vertically distributed and have outward openings.

8. The lift-type exchange platform for a laser cutting machine of claim 3, wherein: first workstation with the one end both sides of second workstation still are provided with the location fixture block, positioning mechanism is provided with four and divide into two sets of being located two on the guide rail unit, and including fixing location cylinder on the C type supporting beam, receive location cylinder drive carries out horizontal migration and card income spacing post in the location fixture block.

Images