CN118063086A - Glass cover plate cutting system and cutting method - Google Patents
Glass cover plate cutting system and cutting method Download PDFInfo
- Publication number
- CN118063086A CN118063086A CN202410457939.4A CN202410457939A CN118063086A CN 118063086 A CN118063086 A CN 118063086A CN 202410457939 A CN202410457939 A CN 202410457939A CN 118063086 A CN118063086 A CN 118063086A
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- cover plate
- pressing
- cutting
- edge
- pretreatment
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- 238000005520 cutting process Methods 0.000 title claims abstract description 107
- 239000011521 glass Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 111
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 238000003698 laser cutting Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000002347 injection Methods 0.000 claims abstract description 29
- 239000007924 injection Substances 0.000 claims abstract description 29
- 239000002699 waste material Substances 0.000 claims abstract description 19
- 238000005498 polishing Methods 0.000 claims abstract description 6
- 238000007688 edging Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000005485 electric heating Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000013590 bulk material Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000013467 fragmentation Methods 0.000 abstract description 5
- 238000006062 fragmentation reaction Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 6
- 241000252254 Catostomidae Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/03—Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/0222—Scoring using a focussed radiation beam, e.g. laser
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention provides a glass cover plate cutting system and a glass cover plate cutting method, and relates to the technical field of laser beam cutting. The glass cover plate cutting system comprises a pretreatment device, a transfer device and a laser cutting device, wherein the pretreatment device comprises a plurality of pretreatment mechanisms which are rotationally arranged on a treatment frame, each pretreatment mechanism comprises a clamping frame with two ends hinged to each other and the other ends fastened to each other, a plurality of pressing plates are connected in the clamping frame, the clamping frame slides on the clamping frame and comprises a pressing knife attached with pretreatment liquid, an electric heating wire is arranged inside the pressing knife, a liquid injection assembly is arranged on the pressing frame, and a waste suction assembly is arranged at the edge of the pressing plate. The cutting method of the glass cover plate cutting system comprises the following steps: placing the cover plate on the two clamping frames; the pressing knife is contacted with the cover plate; the pretreatment mechanism rotates in a reciprocating and circulating way; taking out the cover plate for laser cutting; and cleaning, edging and polishing the cut cover plate. After laser cutting, the invention avoids or reduces micro-deformation or fragmentation of the edge of the cover plate, so that the roughness of the edge of the cut is low.
Description
Technical Field
The invention relates to the technical field of laser beam cutting, in particular to a glass cover plate cutting system and a glass cover plate cutting method.
Background
On consumer electronic terminals such as smart phones and tablet computers, the glass cover plate is a glass layer on the surface of the touch screen and is a part of the glass cover plate which is directly contacted by fingers of a user. In the production of the glass cover plate, the large cover plate needs to be divided into a plurality of small cover plates with shapes matched with the touch screen of the electronic terminal by laser cutting.
In the prior art, when a glass cover plate is subjected to laser cutting, a laser beam with high power density is focused on a cutting track of the cover plate, the cover plate on the cutting track is heated to high temperature to gasify the cover plate, and due to the fact that the instantaneous temperature is high, thermal stress generated at the cutting track enables the edge of the cover plate to deform, crack and burr, the edge of a small cover plate after cutting is rough, the flatness is low, follow-up edging or polishing operation is not facilitated, cracking of the edge of the small cover plate is likely to occur, and the product quality is affected.
Disclosure of Invention
The invention aims to develop a glass cover plate cutting system and a glass cover plate cutting method, which can avoid or reduce micro deformation or fragmentation of the edge of a cover plate after laser cutting, and enable the roughness of the edge of a cut to be low.
The invention is realized by the following technical scheme:
a glass cover sheet cutting system comprising:
The device comprises a pretreatment device, a transfer device and a laser cutting device, wherein the pretreatment device carries out pretreatment before cutting along the cutting track of the cover plate, so that the cover plate on the cutting track is thinned, and the transfer device transfers the pretreated cover plate to the laser cutting device for laser cutting;
Wherein, preprocessing device includes the processing frame, it is equipped with a plurality of pretreatment mechanism to handle the rotation on the frame, pretreatment mechanism includes:
two clamping frames with one end hinged with each other and the other end fastened with each other are used for clamping the cover plate;
The pressing plates are connected in the clamping frame and are contacted with the cover plate, and gaps among the pressing plates form cutting grooves matched with cutting tracks of the cover plate;
The pressing frame is in sliding connection with the clamping frame and is arranged on one side of the cutting groove far away from the cover plate, the pressing frame comprises a pressing knife which is attached with pretreatment liquid and can slide into the cutting groove to contact with a cutting track of the cover plate, and an electric heating wire is arranged in the pressing knife;
The liquid injection assembly is arranged on the pressing frame and is used for injecting pretreatment liquid to the outer wall of the pressing knife;
and a waste suction assembly provided at an edge of the pressing plate and sucking waste generated when the pretreatment liquid etches the cover plate.
Optionally, the pretreatment mechanism further comprises a support seat rotatably arranged on the treatment frame, two clamping frames are arranged on the side parts of the support seat, one clamping frame is fixedly connected with the support seat, and the clamping frames comprise clamping frames with inner wall shapes and cover plate shapes being matched.
Optionally, be equipped with a plurality of branches on the centre gripping frame, branch locates the clamp plate and keeps away from one side of apron, the clamp plate connect in on the branch, press frame sliding connection in on the branch.
Optionally, the clamp plate edge is equipped with presses the arris, waste suction subassembly is including locating a plurality of L shape suction ways on the pressure arris, suction way one end is located presses the arris outer wall, suction way other end intercommunication has the hose, hose and suction pump intercommunication, suction pump output intercommunication has the waste container.
Optionally, be equipped with the pressure pad on the pressure edge outer wall, the pressure pad is including the fender edge, the guard edge and the pad edge that connect in order, the tip of suction channel on the pressure edge outer wall is in the guard edge inboard, the guard edge is the thru hole structure, pad edge and apron contact, the fender edge is in and keeps away from apron one side.
Optionally, the middle part of the outer wall of the pressure edge is provided with a concave arc-shaped slot, the slot is positioned at the inner side of the protective edge, and the end part of the suction channel on the outer wall of the pressure edge is positioned on the slot; the side wall of the guard edge far away from the pressure edge is an inclined plane, the inclined plane gradually inclines towards the pressure edge in the direction far away from the cover plate, the pressure knife is in a triangular prism shape, and the angles of the inclined planes at two sides of the pressure knife are matched with the angles of the inclined planes of the outer wall of the guard edge.
Optionally, the press frame still includes the handle of a knife of being connected with the press cutter, the handle of a knife is in the lateral part that the press cutter kept away from the apron, be equipped with the spring telescopic link on the lateral wall that the handle of a knife kept away from the press cutter, coaxial being equipped with the electric putter who is connected with the clamping frame on the spring telescopic link.
Optionally, annotate the liquid subassembly including being located the inside cavity structure of handle of a knife, one side that the handle of a knife is close to the pressure sword is equipped with scattered material piece, scattered material piece is the thru hole structure, scattered material piece one end is located the inside cavity of handle of a knife, the other end of scattered material piece stretches out the handle of a knife and is connected with the pressure sword, the terminal surface that the pressure sword is connected with scattered material piece is wedge and this wedge two inclined plane symmetry, be equipped with on the lateral wall that the handle of a knife kept away from the pressure sword with the notes liquid pipe of the inside cavity intercommunication of handle of a knife.
Optionally, the transferring device comprises a sucker frame moving in three directions, and a plurality of suckers corresponding to the plurality of pressing plates in position are arranged at the bottom of the sucker frame; the laser cutting device comprises a workbench, and a laser cutter moving in three directions is arranged above the workbench.
A cutting method of a glass cover plate cutting system, comprising the steps of:
s1, opening clamping frames to put a cover plate to be cut into, covering the two clamping frames to enable the two clamping frames to be in buckling connection, and clamping and fixing the cover plate by pressing plates on the two clamping frames;
S2, sliding the pressing frames on the two clamping frames into the cutting groove to slide in the direction close to the cover plate until the pressing cutters are in contact with the cover plate;
S3, injecting liquid by the liquid injection assembly to enable the pressure knife to be attached with pretreatment liquid, heating the pressure knife by the heating wire, enabling the pretreatment mechanism to rotate in a reciprocating and circulating mode for a period of time, and enabling the cover plate to rotate in a reciprocating and circulating mode along with the pretreatment mechanism;
S4, the pretreatment mechanism rotates to be horizontal, the cover plate is in a horizontal state, the two clamping frames in buckling connection are opened, and the cover plate is transferred to the laser cutting device by the transfer device;
S5, the laser cutting device performs laser cutting on the cover plate along the compression joint track of the compression knife on the cover plate, and the transfer device moves the plurality of cut cover plates out of the laser cutting device after cutting;
S6, cleaning the plurality of cut cover plates, and edging and polishing edges of the cover plates after washing away residual pretreatment liquid;
In the step S3, the pretreatment mechanism makes 180 ° reciprocating circulation rotations in the forward and reverse directions, the cover plate is in a horizontal state after the forward and reverse rotation, the forward and reverse rotation is separated by 5-10 min, the liquid injection component stops injecting liquid to the liquid injection component in the rotation process of the pretreatment mechanism, the outer wall of the liquid injection component on the upper liquid injection component is injected in the horizontal state of the cover plate, and the liquid injection component is stopped in the horizontal state of the cover plate;
In the step S3, the waste sucking assembly sucks the waste gas, the impurities and a small portion of the pretreatment liquid generated when the pretreatment liquid etches the cover plate.
The beneficial effects of the invention are as follows:
By preprocessing the cutting track of the cover plate before cutting, the laser energy required by laser cutting can be reduced, the cover plate on the cutting track is more easily divided, the heating amount of the cover plates on two sides of the cutting track can be reduced, micro deformation or fragmentation of the edge of the cover plate on the cutting track due to thermal stress generated by heating is avoided or reduced, the edge of a cut of the cover plate after cutting is smoother, and the laser cutting quality is improved;
In the laser cutting process, the residual pretreatment liquid on the cutting track can remove the generated burrs, so that the roughness of the edge of the cut is low and uniform, and the cut edge of the cover plate is easy to grind and polish;
The two clamping frames in the pretreatment mechanism are fastened, so that the pretreatment mechanism is convenient to open and fasten, the cover plate is convenient to place, the pretreatment mechanism automatically pretreats the cover plate, manual operation is not needed, the manual labor intensity is reduced, and personnel are prevented from contacting pretreatment liquid and generated harmful substances;
In the pretreatment process of the cover plate, the arranged pressing pad can prevent pretreatment liquid from entering the cover plate except the pressing plate or the cutting track, and harmful wastes and part of the pretreatment liquid are pumped through the pressing pad, so that environmental pollution caused by scattering into the environment is avoided;
The cover plate keeps reciprocating and circulating rotation in the pretreatment process, so that the two side surfaces of the cutting track are uniformly etched;
Because the thickness of the cover plate on the cutting track after pretreatment is thinner, the positions of the plurality of suckers in the transfer device correspond to the pressing plate, so that the plurality of cover plates divided along the cutting track are respectively absorbed by the plurality of suckers, the cover plates are prevented from being broken along the cutting track in the transfer process, and the transfer device can directly transfer the plurality of cut cover plates.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a glass cover cutting system;
FIG. 2 is a schematic view of a structure of a clamping frame;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic view of the structure of a cutting slot;
fig. 5 is a sectional structural view of a cut trace of the cover plate.
Reference numerals: 100. a pretreatment device; 110. a treatment rack; 120. a pretreatment mechanism; 121. a support; 122. a clamping frame; 1221. a clamping frame; 1222. a pressing plate; 12221. a soft cushion layer; 1223. a support rod; 1224. a pressing pad; 12241. a blocking edge; 12242. edge protection; 12243. a pad edge; 1225. pressing edges; 12251. slotting; 12252. a suction channel; 1226. a pressing frame; 12261. a knife handle; 12262. a pressing knife; 12263. heating wires; 12264. a bulk material block; 12265. a liquid injection pipe; 12266. a spring telescoping rod; 12267. an electric push rod; 1227. cutting a groove; 200. a transfer device; 210. a suction cup holder; 220. a suction cup; 300. a laser cutting device; 310. a work table; 320. a laser cutter; 400. a cover plate; 410. cutting the track; 420. a groove.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those skilled in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the invention discloses a glass cover plate cutting system, which comprises a pretreatment device 100, a transfer device 200 and a laser cutting device 300, wherein the pretreatment device 100 performs pretreatment before cutting along a cutting track 410 of a cover plate 400, so that the thickness of the cover plate 400 on the cutting track 410 is thinned, and the transfer device 200 transfers the pretreated cover plate 400 to the laser cutting device 300 for laser cutting.
The pretreatment device 100 includes a treatment rack 110, a plurality of pretreatment mechanisms 120 are rotatably disposed on the treatment rack 110, and a driving source (not shown in the drawing) for driving the pretreatment mechanisms 120 to rotate is further disposed on the treatment rack 110.
The pretreatment mechanism 120 comprises a support 121 rotatably arranged on the treatment rack 110, two rectangular clamping frames 122 are arranged on the side parts of the support 121, one side of each clamping frame 122 is hinged, the other side of each clamping frame 122 is buckled, and one clamping frame 122 is fixed on the support 121. The cover plate 400 to be cut is clamped and fixed between the two clamping frames 122, the driving source drives the support 121 to rotate in a reciprocating and circulating mode, and the two clamping frames 122 clamp the cover plate 400 to rotate in a reciprocating and circulating mode.
The clamping frame 122 comprises a rectangular clamping frame 1221, the shape of the inner wall of the clamping frame 1221 is matched with the cover plate 400 to be cut, and a plurality of pressing plates 1222 uniformly distributed in a matrix are arranged on the inner side of the clamping frame 1221. In the process of clamping the cover plate 400 by the clamping frame 122, the pressing plate 1222 is in contact with the cover plate 400 as a component for directly clamping the cover plate 400, and a soft cushion 12221 which can be made of rubber is arranged on the side wall of the pressing plate 1222 in contact with the cover plate 400.
A plurality of equally spaced parallel support rods 1223 are arranged in the clamping frame 1221, the support rods 1223 are positioned on one side of the pressing plate 1222 away from the cover plate 400, the plurality of pressing plates 1222 are respectively provided with a connecting column connected with the plurality of support rods 1223, and the outer edge of the pressing plate 1222 positioned on the outer edge of the plurality of pressing plates 1222 is also connected with the corresponding position of the inner wall of the clamping frame 1221.
The clamping frame 122 fixedly connected with the support 121 in the pretreatment mechanism 120 has a certain interval between the end surface of the pressing plate 1222 and the opening of the clamping frame 1221, wherein the end surface of the pressing plate 1222 is positioned in the clamping frame 1221; the other clamping frame 122 has its pressure plate 1222 outside the clamping frame 1221 and spaced from the opening of the clamping frame 1221. When the cover plate 400 is put into the pretreatment mechanism 120, the two clamping frames 122 are horizontal and the clamping frame 122 fixed with the support 121 is positioned at the lower side, the cover plate 400 is put into the clamping frame 1221 of the clamping frame 122 connected with the support 121 and is carried by the pressing plate 1222, then the two clamping frames 122 are buckled, and the pressing plates 1222 of the two clamping frames 122 are respectively contacted with the two sides of the cover plate 400 and clamp and fix the cover plate.
The edge of the pressing plate 1222 is provided with pressing edges 1225, and a grid-shaped cutting groove 1227 is formed between the pressing edges 1225 of the pressing plates 1222, wherein the cutting groove 1227 is the cutting track 410 of the cover plate 400. The outer wall of the pressing edge 1225 is provided with a pressing pad 1224, the pressing pad 1224 comprises a blocking edge 12241, a protecting edge 12242 and a pad edge 12243 which are sequentially connected, the protecting edge 12242 is positioned at the middle part of the outer wall of the pressing edge 1225, the pad edge 12243 is contacted with the cover plate 400, and the blocking edge 12241 is positioned at one side far away from the cover plate 400. The side wall of the guard 12242 facing away from the crimp 1225 is sloped, which slopes gradually toward the crimp 1225 in a direction away from the cover 400. The middle part of the outer wall of the pressing edge 1225 at the inner side of the protecting edge 12242 is provided with an inward concave arc-shaped groove 12251, and the protecting edge 12242 is in a through hole structure, so that the groove 12251 is communicated with the outer side of the pressing pad 1224. The pressing edge 1225 is provided with a waste sucking component which sucks waste generated in the pretreatment process of the cover plate 400, the waste sucking component comprises L-shaped sucking channels 12252 which are arranged on the pressing edge 1225 at intervals, one end of each sucking channel 12252 is positioned on a groove 12251 on the outer wall of the pressing edge 1225, the other end of each sucking channel is communicated with a hose, the hose is connected to a sucking pump, and the output end of the sucking pump is communicated with a waste container to contain the sucked waste gas and waste liquid.
Above the cutting groove 1227, a grid-shaped press 1226 is provided, the shape of which is adapted to the shape of the cutting groove 1227, the press 1226 being vertically lowered into the cutting groove 1227. The pressing frame 1226 includes a pressing knife 12262 and a knife handle 12261 that are connected to each other, an electric heating wire 12263 is disposed inside the pressing knife 12262, the pressing knife 12262 is in a triangular prism shape, the angles of the inclined surfaces at two sides of the pressing knife 12262 are adapted to the angles of the inclined surfaces of the outer wall of the guard rim 12242, and when the pressing knife 12262 descends to contact with the cover plate 400, the gap between the two sides of the pressing knife 12262 and the guard rims 12242 at two sides is very small.
The side wall of the knife handle 12261 far away from the knife 12262 is provided with a spring telescopic rod 12266, the spring telescopic rod 12266 is perpendicular to the supporting rod 1223, the spring telescopic rod 12266 is coaxially provided with an electric push rod 12267 connected with the supporting rod 1223, the electric push rod 12267 drives the pressing frame 1226 to descend into the cutting groove 1227, the tail end of the knife 12262 is in contact with the cover plate 400, and after the spring telescopic rod 12266 is compressed, the elastic force of the spring telescopic rod 12266 enables the pressing frame 1226 to keep in close contact with the cover plate 400.
The pressing frame 1226 is also provided with a liquid injection component, and the liquid injection component performs liquid injection operation of pretreatment liquid to the outer wall of the pressing knife 12262. The injection assembly comprises a cavity structure positioned in the knife handle 12261, one side of the knife handle 12261, which is close to the press knife 12262, is provided with a bulk material block 12264, the bulk material block 12264 is in a through hole structure, one end of the bulk material block 12264 is positioned in the cavity in the knife handle 12261, the other end extends out of the knife handle 12261 for a certain length and is connected with the press knife 12262, the end surface of the press knife 12262, which is connected with the bulk material block 12264, is in a wedge shape, and two inclined planes of the wedge shape are symmetrical. The side wall of the knife handle 12261 far away from the pressing knife 12262 is provided with a liquid injection pipe 12265, the pretreatment liquid is injected into the cavity of the knife handle 12261 through the liquid injection pipe 12265, and constant pressure can be applied to the pretreatment liquid in the cavity of the knife handle 12261 through the liquid injection pipe 12265, so that the pretreatment liquid seeps out of the bulk material 12264 at a constant speed, flows into the two side walls of the pressing knife 12262 at a constant speed, and then flows downwards to the tail end of the pressing knife 12262.
The pretreatment liquid may be hydrofluoric acid, which etches the cover plate 400 at the end of the pressing knife 12262, and the pressing edge 1225, the pressing pad 1224, the pressing frame 1226, the hose and the suction pump are made of corrosion-resistant materials or are subjected to corrosion-resistant treatment, and the guard 12242 and the bulk material blocks 12264 may be polytetrafluoroethylene sponge.
As shown in fig. 5, after the cutting trace 410 of the cover plate 400 is etched, after the cover plate 400 on the cutting trace 410 is pressed by the pressing knife 12262 attached with the pretreatment liquid, grooves 420 are formed on both sides of the cutting trace 410, the thickness of the cover plate 400 on the cutting trace 410 is reduced, and after the pressing knife 12262 leaves the cover plate 400, a small portion of the pretreatment liquid remains on the inner wall of the grooves 420.
The transfer device 200 includes a suction cup holder 210 movable in three directions, and a plurality of suction cups 220 positioned corresponding to the plurality of pressing plates 1222 are provided at the bottom of the suction cup holder 210. The laser cutting device 300 comprises a workbench 310, and a three-way movable laser cutter 320 is arranged above the workbench 310.
The invention also discloses a cutting method of the glass cover plate cutting system, which comprises the following steps:
S1, opening the clamping frames 122 to put the cover plate 400 to be cut into, covering the two clamping frames 122 to enable the two clamping frames to be fastened, and clamping and fixing the cover plate 400 by the pressing plates 1222 on the two clamping frames 122 and the pad edges 12243 on the outer sides of the pressing edges 1225;
S2, the electric push rod 12267 drives the pressing frames 1226 on the two clamping frames 122 to enter the cutting groove 1227 to slide towards the direction close to the cover plate 400 until the spring telescopic rod 12266 is compressed and the tail end of the pressing knife 12262 is in contact with the cover plate 400;
S3, injecting pretreatment liquid into the cavity in the knife handle 12261 through the liquid injection pipe 12265, keeping the pressure in the cavity of the knife handle 12261 constant, heating the pressing knife 12262 through the heating wire 12263, and driving the pretreatment mechanism 120 to rotate in a reciprocating and circulating mode for a period of time through the driving source, so that the cover plate 400 rotates in a reciprocating and circulating mode;
S4, the driving source drives the pretreatment mechanism 120 to rotate to be horizontal, the cover plate 400 is in a horizontal state, the two clamping frames 122 which are buckled are opened, and the transfer device 200 transfers the cover plate 400 to the laser cutting device 300;
s5, the laser cutting device 300 performs laser cutting on the cover plate 400 along the compression joint track of the compression knife 12262 on the cover plate 400, and the cut multiple cover plates 400 are moved out of the laser cutting device 300 by the transfer device 200 after cutting;
S6, cleaning the plurality of cut cover plates 400, and edging and polishing edges of the cover plates 400 after washing away residual pretreatment liquid;
In step S3, the driving source drives the pretreatment mechanism 120 to make 180 ° reciprocating rotation in the forward and reverse directions, the cover plate 400 is in a horizontal state after the forward and reverse rotation, the forward and reverse rotation is separated by 5-10 min, the liquid injection pipe 12265 stops injecting and pressurizing the cavity of the knife handle 12261 during the rotation of the pretreatment mechanism 120, the liquid injection pipe 12265 above the cover plate 400 horizontally injects and pressurizes the cavity of the knife handle 12261, and the liquid injection pipe 12265 below the cover plate 400 horizontally stops injecting and pressurizing the cavity of the knife handle 12261;
In step S3, the suction channel 12252 is sucked through the hose, the air flow enters through the gap between the top of the press pad 1224 and the top of the press blade 12262, flows downward into the gap between the press pad 1224 and the press blade 12262, passes through the guard 12242, enters the slot 12251 of the press rib 1225, finally enters the hose through the suction channel 12252 and is discharged, and the generated waste gas, impurities and a small part of the pretreatment liquid are sucked into the waste container along with the air flow during etching of the cover plate 400 by the pretreatment liquid.
The pretreatment mechanism 120 pretreats the cover plate 400 to be cut, so that the cutting track 410 of the cover plate 400 is etched, grooves 420 are respectively etched on two sides of the cutting track 410 of the cover plate 400, the thickness of the cover plate 400 on the cutting track 410 is reduced, when laser cutting is performed along the cutting track 410, the required laser energy is low, the cover plate 400 on the cutting track 410 is more easily divided, the heating amount of the cover plate 400 on two sides of the cutting track 410 can be reduced, micro deformation or fragmentation of the edge of the cover plate 400 on the cutting track 410 caused by heating is avoided or reduced, and the cut edge of the cover plate 400 after cutting is smoother. In the laser cutting process, burrs are inevitably generated on the cut edges of the cover plate 400, and the generated burrs can be removed by residual pretreatment liquid on the inner wall of the groove 420, so that the cut edges have low roughness and uniform roughness, and the cut edges are beneficial to grinding and polishing operations on the cut edges of the cover plate 400.
The beneficial effects of the invention are as follows:
By preprocessing the cutting track 410 of the cover plate 400 before cutting, the laser energy required by laser cutting can be reduced, the cover plate 400 on the cutting track 410 is more easily divided, the heating amount of the cover plates 400 on two sides of the cutting track 410 can be reduced, micro deformation or fragmentation of the edge of the cover plate 400 on the cutting track 410 caused by thermal stress generated by heating is avoided or reduced, burr generation is reduced, the edge of a cut after the cover plate 400 is cut is smoother, and the laser cutting quality is improved;
In the laser cutting process, the residual pretreatment liquid on the cutting track 410 can remove the generated burrs, so that the roughness of the edge of the cut is low and uniform, and the edge of the cut cover plate 400 is easy to grind and polish;
the two clamping frames 122 in the pretreatment mechanism 120 are buckled, so that the pretreatment mechanism is convenient to open and buckle, the cover plate 400 is convenient to place, the pretreatment mechanism 120 automatically pretreats the cover plate 400, manual operation is not needed, the labor intensity is reduced, and personnel are prevented from contacting pretreatment liquid and generated harmful substances;
In the pretreatment process of the cover plate 400, the pressure pad 1224 can prevent the pretreatment liquid from entering the cover plate 400 except the pressure plate 1222 or the cutting track 410, and the pressure pad 1224 sucks the harmful waste and part of the pretreatment liquid, thereby avoiding environmental pollution caused by scattering into the environment;
the cover plate 400 keeps reciprocating and circulating rotation in the pretreatment process, so that the two side surfaces of the cutting track 410 are uniformly etched;
Because the thickness of the cover plate 400 on the pre-processed cutting track 410 is thinner, the positions of the plurality of sucking discs 220 in the transferring device 200 correspond to the pressing plates 1222, so that the plurality of cover plates 400 divided along the cutting track 410 are respectively sucked by the plurality of sucking discs 220, the cover plates 400 are prevented from being broken along the cutting track 410 in the transferring process, and the transferring device 200 can directly transfer the plurality of cut cover plates 400.
The above embodiments are only preferred embodiments of the present invention, and are not limiting to the technical solutions of the present invention, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present invention.
Claims (10)
1. A glass cover sheet cutting system, comprising:
The device comprises a pretreatment device, a transfer device and a laser cutting device, wherein the pretreatment device carries out pretreatment before cutting along the cutting track of the cover plate, so that the cover plate on the cutting track is thinned, and the transfer device transfers the pretreated cover plate to the laser cutting device for laser cutting;
Wherein, preprocessing device includes the processing frame, it is equipped with a plurality of pretreatment mechanism to handle the rotation on the frame, pretreatment mechanism includes:
two clamping frames with one end hinged with each other and the other end fastened with each other are used for clamping the cover plate;
The pressing plates are connected in the clamping frame and are contacted with the cover plate, and gaps among the pressing plates form cutting grooves matched with cutting tracks of the cover plate;
The pressing frame is in sliding connection with the clamping frame and is arranged on one side of the cutting groove far away from the cover plate, the pressing frame comprises a pressing knife which is attached with pretreatment liquid and can slide into the cutting groove to contact with a cutting track of the cover plate, and an electric heating wire is arranged in the pressing knife;
The liquid injection assembly is arranged on the pressing frame and is used for injecting pretreatment liquid to the outer wall of the pressing knife;
and a waste suction assembly provided at an edge of the pressing plate and sucking waste generated when the pretreatment liquid etches the cover plate.
2. The glass cover cutting system of claim 1, wherein the pretreatment mechanism further comprises a support rotatably mounted on the treatment frame, two of the holders are mounted on sides of the support and one of the holders is fixedly connected to the support, and the holders comprise holding frames having inner wall shapes adapted to the shape of the cover.
3. The glass cover plate cutting system of claim 2, wherein the clamping frame is provided with a plurality of struts, the struts are arranged on one side of the pressing plate away from the cover plate, the pressing plate is connected to the struts, and the pressing frame is connected to the struts in a sliding manner.
4. The glass cover plate cutting system of claim 1, wherein the edge of the pressing plate is provided with a pressing edge, the waste suction assembly comprises a plurality of L-shaped suction channels arranged on the pressing edge, one ends of the suction channels are positioned on the outer wall of the pressing edge, the other ends of the suction channels are communicated with a hose, the hose is communicated with a suction pump, and the output end of the suction pump is communicated with a waste container.
5. The glass cover plate cutting system according to claim 4, wherein the pressing edge outer wall is provided with a pressing pad, the pressing pad comprises a blocking edge, a protecting edge and a pad edge which are sequentially connected, the end part of the suction channel on the pressing edge outer wall is positioned on the inner side of the protecting edge, the protecting edge is in a through hole structure, the pad edge is in contact with the cover plate, and the blocking edge is positioned on one side far away from the cover plate.
6. The glass cover plate cutting system of claim 5, wherein the middle of the outer wall of the press edge is provided with a concave arc-shaped slot, the slot is positioned on the inner side of the protective edge, and the end part of the suction channel on the outer wall of the press edge is positioned on the slot; the side wall of the guard edge far away from the pressure edge is an inclined plane, the inclined plane gradually inclines towards the pressure edge in the direction far away from the cover plate, the pressure knife is in a triangular prism shape, and the angles of the inclined planes at two sides of the pressure knife are matched with the angles of the inclined planes of the outer wall of the guard edge.
7. The glass cover plate cutting system of claim 1, wherein the pressing frame further comprises a cutter handle connected with the pressing cutter, the cutter handle is positioned on the side part of the pressing cutter, away from the cover plate, a spring telescopic rod is arranged on the side wall of the cutter handle, away from the pressing cutter, and an electric push rod connected with the clamping frame is coaxially arranged on the spring telescopic rod.
8. The glass cover plate cutting system of claim 7, wherein the liquid injection assembly comprises a cavity structure positioned in the cutter handle, a bulk material block is arranged on one side of the cutter handle, which is close to the pressing cutter, the bulk material block is of a through hole structure, one end of the bulk material block is positioned in the cavity in the cutter handle, the other end of the bulk material block extends out of the cutter handle and is connected with the pressing cutter, the end face of the pressing cutter, which is connected with the bulk material block, is in a wedge shape, two inclined planes of the wedge shape are symmetrical, and a liquid injection pipe communicated with the cavity in the cutter handle is arranged on the side wall, which is far away from the pressing cutter, of the cutter handle.
9. The glass cover plate cutting system according to claim 1, wherein the transfer device comprises a three-way moving suction cup frame, and a plurality of suction cups are arranged at the bottom of the suction cup frame, wherein the positions of the suction cups correspond to the plurality of pressing plates; the laser cutting device comprises a workbench, and a laser cutter moving in three directions is arranged above the workbench.
10. A cutting method of the glass cover plate cutting system according to any one of claims 1 to 9, comprising the steps of:
s1, opening clamping frames to put a cover plate to be cut into, covering the two clamping frames to enable the two clamping frames to be in buckling connection, and clamping and fixing the cover plate by pressing plates on the two clamping frames;
S2, sliding the pressing frames on the two clamping frames into the cutting groove to slide in the direction close to the cover plate until the pressing cutters are in contact with the cover plate;
S3, injecting liquid by the liquid injection assembly to enable the pressure knife to be attached with pretreatment liquid, heating the pressure knife by the heating wire, enabling the pretreatment mechanism to rotate in a reciprocating and circulating mode for a period of time, and enabling the cover plate to rotate in a reciprocating and circulating mode along with the pretreatment mechanism;
S4, the pretreatment mechanism rotates to be horizontal, the cover plate is in a horizontal state, the two clamping frames in buckling connection are opened, and the cover plate is transferred to the laser cutting device by the transfer device;
S5, the laser cutting device performs laser cutting on the cover plate along the compression joint track of the compression knife on the cover plate, and the transfer device moves the plurality of cut cover plates out of the laser cutting device after cutting;
S6, cleaning the plurality of cut cover plates, and edging and polishing edges of the cover plates after washing away residual pretreatment liquid;
In the step S3, the pretreatment mechanism makes 180 ° reciprocating circulation rotations in the forward and reverse directions, the cover plate is in a horizontal state after the forward and reverse rotation, the forward and reverse rotation is separated by 5-10 min, the liquid injection component stops injecting liquid to the liquid injection component in the rotation process of the pretreatment mechanism, the outer wall of the liquid injection component on the upper liquid injection component is injected in the horizontal state of the cover plate, and the liquid injection component is stopped in the horizontal state of the cover plate;
In the step S3, the waste sucking assembly sucks the waste gas, the impurities and a small portion of the pretreatment liquid generated when the pretreatment liquid etches the cover plate.
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