CN212470242U - Laser cutting anchor clamps and laser cutting machine - Google Patents

Abstract

The utility model relates to the technical field of laser cutting, in particular to a laser cutting clamp, which comprises a positioning plate and a supporting plate, wherein the positioning plate is provided with a cutting notch, the positioning plate is used for bearing plates, the cutting area of the plates is positioned in the cutting notch, and the positioning plate is provided with a clamping component used for fixing the plates; the backup pad sets firmly in the bottom of locating plate, and the backup pad is provided with the supporting mechanism who is used for supporting panel, and supporting mechanism includes a plurality of bracing pieces and the adjusting part who is used for adjusting bracing piece supported position, and the top of bracing piece is located the cutting breach and flushes with the up end of locating plate. The application also relates to a laser cutting machine which comprises a case, wherein a laser is installed in the case, and the laser cutting clamp is arranged below the laser. The utility model can avoid the bending deformation of the plate during cutting, which affects the cutting precision; the position of the supporting rod can be adjusted, and the supporting rod and the plate are not easy to weld together when the plate is cut.

Description

Laser cutting anchor clamps and laser cutting machine

Technical Field

The utility model belongs to the technical field of the laser cutting technique and specifically relates to indicate a laser cutting anchor clamps and laser cutting machine.

Background

Laser cutting is to irradiate a workpiece with a focused high-power-density laser beam to quickly melt, vaporize and ablate the irradiated material or reach a burning point, and simultaneously blow off the molten material by means of a high-speed airflow coaxial with the beam, thereby realizing the cutting of the workpiece. Laser cutting is one of the thermal cutting methods.

The fiber laser is a novel fiber laser which is newly developed internationally and outputs a laser beam with high energy density, and the laser beam is gathered on the surface of a workpiece, so that the area irradiated by the superfine focus light spot on the workpiece is instantly melted and gasified, and the irradiation position of the light spot is moved by a numerical control mechanical system to realize automatic cutting. With the rapid development of the optical fiber laser cutting machine, the application field of the optical fiber cutting machine is more and more deeper. The silicon steel sheet is cut by adopting the optical fiber laser cutting machine, and compared with the punching sheet of the punch press in the traditional manufacturing mode, the silicon steel sheet has the series of defects of low technical requirement, low die cost, difficult burr formation, residual internal stress formation and the like.

When the fiber laser cutting machine is used for cutting silicon steel, the silicon steel needs to be fixed by a clamp, as shown in fig. 1, the two sides of the silicon steel are generally clamped and fixed by the existing clamp, and the silicon steel is supported by a rack 30 in the middle. However, since the silicon steel sheet is thin (the thickness is usually not more than 0.5 mm), and the precision requirement is high, and the middle span of the existing universal fixture is large, when the rack 30 supports the sheet to be cut, the sheet is bent downwards or tilted upwards, so that the sheet is deformed and cut, and the pattern precision after the sheet is cut is influenced; meanwhile, the rack 30 may be cut by laser, which may damage the rack 30 or weld the plate and the rack together.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser cutting clamp, in order to solve the problem that when the existing clamp fixes the plate, the middle span of the clamp is large, which easily causes the plate to bend, and affects the cutting precision; meanwhile, the problem that the rack is cut by laser to damage the rack or the plate and the rack are welded together can occur during cutting.

In order to solve the technical problem, an embodiment of the utility model provides a pair of laser cutting anchor clamps has adopted following technical scheme: the method comprises the following steps:

the positioning plate is provided with a cutting notch, the positioning plate is used for bearing a plate, a cutting area of the plate is positioned in the cutting notch, and the positioning plate is provided with a clamping assembly used for mounting the plate on the positioning plate; and

the backup pad, the backup pad set firmly in the bottom of locating plate, the backup pad is provided with the supporting mechanism who is used for supporting panel, supporting mechanism includes two at least bracing pieces and is used for adjusting bracing piece supported position's adjusting part, the top of bracing piece is located in the cutting breach and with the up end of locating plate flushes.

Further, the centre gripping subassembly includes that at least three slides and sets up in the centre gripping piece of locating plate and be used for fixed mounting to correspond the mounting of centre gripping piece, the centre gripping piece distribute in the outside of cutting breach just can move towards the center slip of cutting breach.

Furthermore, each clamping piece is provided with a strip-shaped hole, the fixing piece comprises a sliding part in sliding fit with the strip-shaped hole and a pressing part fixedly arranged at the end part of the sliding part, the diameter of the pressing part is larger than the width of the strip-shaped hole, and the sliding part penetrates through the strip-shaped hole to be in threaded connection with the positioning plate so that the pressing part can press the clamping piece through rotating the fixing piece.

Furthermore, a plurality of hollow holes for cutting sparks to pass through are formed in the supporting plate.

Furthermore, the adjusting assembly comprises at least one sliding rail fixedly arranged on the supporting plate, a sliding block arranged corresponding to the sliding rail in a sliding manner, and a locking piece used for fixing the sliding block to the corresponding sliding rail, and the supporting rod is arranged on the sliding block; each slide rail takes the center of cutting breach as the center and is radially evenly distributed.

Further, the slider is provided with the adsorption rod that is used for adsorbing fixed panel, the top of adsorption rod is provided with the suction nozzle, the suction nozzle with the top of bracing piece flushes.

Furthermore, a quick-connection joint communicated with the adsorption rod is arranged at the bottom end of the sliding block, a vacuum tube connected with a vacuum pump is detachably connected to the quick-connection joint, a sliding hole for the quick-connection joint to penetrate through is formed in the supporting plate, the quick-connection joint can slide along the sliding hole, and the vacuum tube is installed at the bottom of the supporting plate.

Further, the sliding block is provided with a first protection cover for protecting the quick-connection joint, and the bottom end of the protection cover extends to the position below the sliding hole; and a second protective cover for protecting the vacuum tube is arranged at the bottom end of the supporting plate.

Furthermore, an installation cover is arranged on the outer side of the positioning plate in an enclosing mode, and a third protection cover communicated with the second protection cover is arranged in the installation cover.

Another object of the embodiment of the utility model is to provide a laser cutting machine to when solving the fixed panel of current anchor clamps, the anchor clamps mid-span is great, causes the panel bending easily, influences cutting accuracy's problem.

In order to solve the technical problem, an embodiment of the utility model provides a laser cutting machine has adopted technical scheme as follows: the laser cutting fixture comprises a laser and a case, wherein the laser and the laser cutting fixture are installed in the case.

Compared with the prior art, the embodiment of the utility model provides a laser cutting anchor clamps and laser cutting machine mainly have following beneficial effect:

firstly, during specific work, a plate is placed on the positioning plate and is fixed through the clamping assembly, and then the position of the supporting rod is adjusted through the adjusting assembly, so that the supporting rod uniformly supports the plate; meanwhile, the position of the supporting rod can be adjusted, so that the supporting rod and the plate are not easy to weld together when the plate is cut;

secondly, carry out laser cutting at quick-witted incasement, can avoid the cutting spark to splash, factor of safety is higher, guarantees sealed cutting environment simultaneously, ensures to take out the dirt effect, and panel is placed and is cut on anchor clamps, and panel is difficult for taking place to remove during the cutting, and the cutting is very stable, and the cutting accuracy is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic diagram of a prior art fixture;

fig. 2 is a schematic perspective view of a laser cutting machine according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a laser cutting jig according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of the laser cutting fixture of FIG. 3 from another perspective;

FIG. 5 is a schematic view of a connecting structure of a positioning plate and a supporting plate of the laser cutting fixture in FIG. 4;

FIG. 6 is an enlarged schematic view at A in FIG. 5;

FIG. 7 is a schematic perspective view of a support plate of the laser cutting fixture of FIG. 4;

fig. 8 is a schematic perspective view of a slider of the laser cutting jig of fig. 7.

Description of reference numerals: 100. a laser cutting machine; 110. a chassis; 200. a clamp; 210. positioning a plate; 211. Cutting a notch; 212. a fixing hole; 213. mounting a cover; 214. a handle; 215. positioning a rod; 220. a support plate; 221. hollowing out holes; 222. a slide hole; 230. a support mechanism; 231. a support bar; 232. an adsorption rod; 233. a slide rail; 234. a slider; 235. a quick-connect joint; 240. a clamping piece; 241. a strip-shaped hole; 251. A first protective cover; 252. a second protective cover; 253. a third protective cover; 254. a fourth protective cover; 30. A rack.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "including" and "having," and any variations thereof, in the description and claims of the invention and the above description of the drawings are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 2, the embodiment of the present invention provides a laser cutting machine 100, the laser cutting machine 100 includes a case 110, and a laser (not shown) and a laser cutting fixture 200 (see fig. 3) are installed in the case 110. Carry out laser cutting in quick-witted case 110, can avoid the cutting spark to splash, factor of safety is higher, can form sealed cutting environment simultaneously, ensures to take out the dirt effect. The plate can be placed on the laser cutting clamp 200 for cutting, the plate is not easy to move during cutting, the cutting is very stable, and the cutting accuracy is high.

As shown in fig. 3 to 5, the embodiment of the present invention further provides a laser cutting fixture 200, the laser cutting fixture 200 includes a positioning plate 210 and a supporting plate 220, specifically in this embodiment, in order to connect the positioning plate 210 to the supporting plate 220, the supporting plate 220 is provided with a fixing column (no mark in the figure), the fixing column is provided with a threaded hole (not shown in the figure), and the positioning plate 210 and the fixing column are fixed by a screw connection. In order to facilitate cutting of the plate, the positioning plate 210 is provided with a cutting notch 211, wherein the positioning plate 210 is mainly used for bearing the plate, and the cutting area of the plate is located in the cutting notch 211. In order to ensure that the plate can be installed and positioned on the positioning plate and is not easy to move in the cutting process, the positioning plate 210 is further provided with a clamping assembly (not labeled in the drawing) for fixing the plate.

As shown in fig. 5, a supporting mechanism 230 for supporting the plate is further disposed on the supporting plate 220, the supporting mechanism 230 includes at least two supporting rods 231 and an adjusting assembly (not labeled in the figure) for adjusting a supporting position of the supporting rods 231, and top ends of the supporting rods 231 are located in the cutting gap 211 and are flush with an upper end surface of the positioning plate 210.

When the laser cutting fixture 200 works specifically, a plate can be placed on the positioning plate 210, the plate is fixed through the clamping assembly, and then the position of the supporting rod 231 is adjusted through the adjusting assembly, so that the supporting rod 231 uniformly supports the plate, and further the laser cutting fixture 200 can prevent the plate from being easily bent and deformed during cutting due to large span in the cutting gap 211, and the cutting precision is influenced; meanwhile, the position of the support rod 231 can be adjusted, and the support rod 231 and the plate can be ensured not to be welded together easily when the plate is cut. Simultaneously, because the position of bracing piece 231 can be adjusted, consequently support the panel of the shape of equidimension not, very big improvement the utility model discloses a commonality.

As shown in fig. 5 and 6, the clamping assembly includes at least three clamping pieces 240 slidably disposed on the positioning plate 210 and a fixing member (not shown) for fixing the clamping pieces 240, and each clamping piece 240 is disposed outside the cutting gap 211 and can slide toward the center of the cutting gap 211. Specifically, clamping piece 240 circumference evenly distributed is in the outside of cutting breach 211, and clamping piece 240 can move towards the center of cutting breach 211 to this can adapt to the panel of different diameters, and, when the product of the same specification of cutting, clamping piece 240 just need not the secondary adjustment after the adjustment once, places panel in the middle of clamping piece 240 during the cutting, does benefit to and stabilizes fixedly to panel, and then improves cutting accuracy.

Preferably, in some embodiments of the present invention, as shown in fig. 6, one end of the clamping piece 240 close to the cutting notch 211 is a concave arc surface, so that the contact area with the board can be increased when the clamping piece 240 abuts against the board, the stability of the clamping piece 240 clamping the board is improved, and the precision of cutting the board is further improved.

Preferably, in some embodiments of the present invention, as shown in fig. 6, the clamping piece 240 is provided with a strip-shaped hole 241, specifically, in this embodiment, the clamping piece 240 is provided with two strip-shaped holes 241 arranged in parallel, the fixing member includes a sliding portion (not shown in the figure) slidably engaged with the strip-shaped hole 241 and a pressing portion (not shown in the figure) fixedly disposed at an end of the sliding portion, wherein a diameter of the pressing portion is generally larger than a width of the strip-shaped hole 241, the sliding portion passes through the strip-shaped hole 241 and is in threaded connection with the positioning plate 210, and the pressing portion presses the clamping piece 240 by rotating the fixing member. Specifically, as shown in fig. 6, a fixing hole 212 is formed in the positioning plate 210 and at the periphery of the cutting notch 211, an internal thread is formed in the fixing hole 212, an external thread is formed on the sliding portion, and the fixing piece 240 is in threaded connection with the fixing hole 212.

It should be noted that, the fixing element herein may adopt a bolt (not shown in the figures), the sliding portion of the fixing element is a screw portion of the bolt, and the pressing portion of the fixing element is a nut portion of the bolt, so that the standard element may be directly adopted to adjust the position of the clamping piece 240, thereby reducing the production cost.

Preferably, in some embodiments of the present invention, as shown in fig. 5, handles 214 are disposed on two sides of the positioning plate 210, so as to facilitate carrying the laser cutting fixture 200.

As shown in fig. 7, a plurality of hollow holes 221 for passing cutting sparks are formed in the supporting plate 220, and the hollow holes 221 are uniformly distributed on the supporting plate 220, so that the sparks can be prevented from splashing during cutting, and the influence on the aesthetic property of the plate due to secondary burning of the plate can be avoided.

As shown in fig. 5, 7 and 8, the adjusting assembly includes at least one sliding rail 233 fixed to the supporting plate 220, a sliding block 234 slidably disposed on the corresponding sliding rail 233, and a locking element (not shown) for fixing the sliding block 234 to the corresponding sliding rail 233, wherein each supporting rod 231 is disposed on the corresponding sliding block 234; each of the slide rails 233 is radially and uniformly distributed around the center of the cutting notch 211, so as to avoid the cutting area of the plate and prevent the support rod 231 from being damaged during cutting. Specifically, at least one slider 234, here two sliders, is disposed on the corresponding slide rail 233 according to the size of the plate. In order to lock the slider 234 and prevent the slider 234 from moving during cutting, a screw hole (not shown) may be formed in the slider 234, a bolt may be connected to the screw hole, and the end of the bolt may be brought into contact with the slide rail 233 by rotating the bolt, thereby fixing the slider 234.

Preferably, the sliding block 234 is provided with an adsorption rod 232 for adsorbing and fixing the plate material, and a suction nozzle (not labeled in the figure) is arranged at the top end of the adsorption rod 232 and is flush with the top end of the support rod 231. When supporting the plate, the adsorption rod 232 can adsorb the plate, further fix the plate, improve the stability of cutting the plate, and further improve the cutting precision. In this embodiment, can design the quantity of absorption pole 232 according to the size of panel, can increase the quantity of absorption pole 232 when panel is great, the suction nozzle can be for the sucking disc to panel evacuation, and the suction nozzle can be magnet in other embodiments, adsorbs fixed panel through the mode of magnetism.

Preferably, in some embodiments of the present invention, as shown in fig. 7 and 8, a quick connector 235 connected to the adsorption rod 232 is disposed at a bottom end of the sliding block 234, a vacuum tube (not shown) connected to a vacuum pump can be detachably connected to the quick connector 235, the vacuum tube can be connected by a threaded connection, the position of the vacuum tube can be arranged as required, the supporting plate 220 is provided with a sliding hole 222 for the quick connector 235 to pass through, the sliding hole 222 is located at one side of the sliding rail 233, the quick connector 235 can slide along the sliding hole 222, and the vacuum tube is mounted at a lower side of the supporting plate 220. The slide 234 is provided with a first protective cover 251 for protecting the quick connector 235, and the bottom end of the protective cover extends to the lower part of the slide hole 222; the second safety cover 252 that is used for protecting the vacuum tube is installed to the downside of backup pad 220, and the top of backup pad 220 and the one side that is located slide rail 233 are provided with fourth safety cover 254, the outside of locating plate 210 is enclosed and is equipped with installation cover 213, be equipped with in the installation cover 213 with the communicating third safety cover 253 of second safety cover 252, through first safety cover 251, second safety cover 252, third safety cover 253 and fourth safety cover 254, can protect the vacuum tube, avoid spark sputtering to burn the vacuum tube, cause the vacuum tube to damage. Meanwhile, the supporting plate 220 can be covered by the mounting cover 213, so that sparks are prevented from being splashed to other places of the case 110, and the safety factor is high.

Preferably, in some embodiments of the present invention, as shown in fig. 5, a positioning rod 215 is further disposed on the supporting plate 220, a top end of the positioning rod 215 is flush with a top end of the supporting rod 231, a center of the positioning rod 215 is located at a center of the cutting notch 211, and the positioning rod 215 can perform preliminary positioning on the board when the board is installed, so as to improve the cutting accuracy of the board.

It should be noted that, the embodiment of the utility model provides an in wait to cut panel can be the silicon steel sheet, specifically, this laser cutting anchor clamps 300 can cut the silicon steel sheet within 600 x 600 mm. Of course, other suitable panels are also contemplated. Generally, this laser cutting anchor clamps 300 can be applicable to the cutting of various size differences, different, the different needs panel of shape (like the silicon steel sheet), like this, can avoid every section panel all to need supporting anchor clamps, does benefit to reduce cost, promotes laser cutting anchor clamps's commonality.

From the above, it can be understood that the working principle of the laser cutting clamp is roughly as follows:

firstly, the laser cutting fixture 200 is taken out of the case 110, and the position of the slider 234 is adjusted to make the support rod 231 and the adsorption rod 232 avoid the cutting area;

secondly, a plate to be cut is placed on the positioning plate 210, so that the center of the plate is aligned with the positioning rod 215;

thirdly, sliding the clamping piece 240 to make the clamping piece 240 abut against the side wall of the plate, and then fixing the clamping piece 240;

fourthly, the laser cutting jig 200 is placed in the cutting area of the cabinet 110, and the vacuum tube is communicated with the vacuum pump;

fifth, the case 110 is closed and laser cutting is performed.

In summary, in the present embodiment, the laser cutting fixture 200 supports and fixes the plate through the supporting rod 231 and the adsorbing rod 232, so as to avoid the influence on the cutting accuracy caused by the bending deformation of the plate during cutting due to a large span of the plate; bracing piece 231 and absorption pole 232 can the adjusting position, avoid cutting the region, and difficult by laser cutting, with panel and bracing piece 231 welding together, do benefit to the yield and the aesthetic property that improve the panel cutting.

It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all embodiments, and that the appended drawings illustrate preferred embodiments of the present invention, but do not limit the scope of the invention. The present invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.

Claims (10)

1. The utility model provides a laser cutting anchor clamps which characterized in that: the method comprises the following steps:

the positioning plate is provided with a cutting notch, the positioning plate is used for bearing a plate, a cutting area of the plate is positioned in the cutting notch, and the positioning plate is provided with a clamping assembly used for mounting the plate on the positioning plate; and

the backup pad, the backup pad set firmly in the bottom of locating plate, the backup pad is provided with the supporting mechanism who is used for supporting panel, supporting mechanism includes two at least bracing pieces and is used for adjusting bracing piece supported position's adjusting part, the top of bracing piece is located in the cutting breach and with the up end of locating plate flushes.

2. The laser cutting jig of claim 1, wherein: the centre gripping subassembly includes that at least three slides and sets up in the centre gripping piece of locating plate and be used for fixed mounting to correspond the mounting of centre gripping piece, the centre gripping piece distribute in the outside of cutting breach just can court the center slip of cutting breach.

3. The laser cutting jig of claim 2, wherein: each seted up the bar hole on the grip block, the mounting include with bar hole sliding fit's sliding part with set firmly in the portion that compresses tightly of sliding part tip, the portion diameter that compresses tightly is greater than the bar hole width, the sliding part pass the bar hole with locating plate threaded connection to can be through rotating the mounting is so that the portion that compresses tightly the grip block.

4. A laser cutting jig according to any one of claims 1 to 3, wherein: the supporting plate is provided with a plurality of hollow holes for cutting sparks to pass through.

5. The laser cutting jig of claim 4, wherein: the adjusting assembly comprises at least one sliding rail fixedly arranged on the supporting plate, a sliding block arranged corresponding to the sliding rail in a sliding manner and a locking piece used for fixing the sliding block to the corresponding sliding rail, and the supporting rod is arranged on the sliding block; each slide rail takes the center of cutting breach as the center and is radially evenly distributed.

6. The laser cutting jig of claim 5, wherein: the slider is provided with the absorption pole that is used for adsorbing fixed panel, the top of absorption pole is provided with the suction nozzle, the suction nozzle with the top of bracing piece flushes.

7. The laser cutting jig of claim 6, wherein: the vacuum suction device is characterized in that a quick-connection joint communicated with the adsorption rod is arranged at the bottom end of the sliding block, a vacuum tube connected with a vacuum pump is detachably connected to the quick-connection joint, a sliding hole for the quick-connection joint to penetrate through is formed in the supporting plate, the quick-connection joint can slide along the sliding hole, and the vacuum tube is installed at the bottom of the supporting plate.

8. The laser cutting jig of claim 7, wherein: the sliding block is provided with a first protection cover for protecting the quick connector, and the bottom end of the first protection cover extends to the position below the sliding hole; and a second protective cover for protecting the vacuum tube is arranged at the bottom end of the supporting plate.

9. The laser cutting jig of claim 8, wherein: the outside of locating plate is enclosed and is equipped with the installation cover, be provided with in the installation cover with the communicating third safety cover of second safety cover.

10. A laser cutting machine comprises a laser, and is characterized in that: the laser cutting machine further comprises a cabinet, wherein the laser and the laser cutting clamp according to any one of claims 1 to 9 are installed in the cabinet.

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