CN107186832B - Melamine plate and production device and production method thereof - Google Patents
Melamine plate and production device and production method thereof Download PDFInfo
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- CN107186832B CN107186832B CN201710378812.3A CN201710378812A CN107186832B CN 107186832 B CN107186832 B CN 107186832B CN 201710378812 A CN201710378812 A CN 201710378812A CN 107186832 B CN107186832 B CN 107186832B
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- melamine
- rollers
- wood grain
- melamine board
- transmission shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
- B32B37/0053—Constructional details of laminating machines comprising rollers; Constructional features of the rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a melamine board production device, which comprises a hot press with an automatic feeding table and an automatic discharging table, a first lifting table, a feeding device, a first conveying frame, a first guide rail, a second lifting table, a discharging device, a second conveying frame, a second guide rail, a laser positioning device and a controller, wherein the laser positioning device is arranged above the automatic feeding table; an embossing template is fixed on the upper pressing table and the lower pressing table of the hot press respectively. A melamine board production method using the apparatus, comprising the steps of: s1, pre-preparing, S2, adjusting a laser positioning device, S3, performing trial preparation, S4, and performing normal preparation. The equipment and the method can realize the superposition of the concave patterns and the wood grains, thereby obtaining the melamine wood grain board with the concave patterns superposed with the wood grains and high simulation degree.
Description
Technical Field
The invention relates to the technical field of melamine board preparation, in particular to a melamine board production device, a melamine board production method using the device and a melamine board.
Background
The melamine wood grain paper is stuck on the upper surface and the lower surface of the substrate, and is formed by hot pressing through a hot press, so that the melamine board has low simulation degree due to the flat and smooth surface. Therefore, there is a need for a method of producing melamine board and an apparatus for implementing the method, by which the intaglio pattern can be formed on the melamine board, and the intaglio pattern overlaps with the wood grain on the melamine board wood grain paper, so that the wood grain has a rough feel similar to that of a real wood board, thereby greatly improving the simulation degree of the melamine board.
Disclosure of Invention
The invention aims to provide a melamine board production device, a melamine board production method using the device and a melamine wood grain board, wherein the melamine wood grain board is provided with concave grains overlapped with wood grains, and the simulation degree is high.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a melamine board apparatus for producing, including the hot press that has automatic feed platform and automatic ejection of compact platform, be used for holding the first elevating platform of base plate to be processed, be used for transporting the base plate to the feeding device on the first elevating platform, be used for transporting the base plate from the first elevating platform to the fixed position's on the automatic feed platform first carriage, be used for the first guide rail of first carriage direction, be used for holding the second elevating platform of processing back melamine board, be used for the ejection of compact device of carrying the melamine board on the second elevating platform to the place of depositing, be used for transporting the melamine board from the automatic ejection of compact platform to the second carriage of second elevating platform, be used for the second guide rail of second carriage direction, the laser positioning device that sets up above automatic feed platform, and the controller; an embossing template is fixed on the upper pressing table and the lower pressing table of the hot press respectively; the hot press, the first lifting table, the feeding device, the first conveying frame, the second lifting table, the discharging device, the second conveying frame and the laser positioning device are electrically connected with the controller.
The melamine board production device comprises two laser positioning assemblies symmetrically arranged on two sides above a feeding hole of a hot press; each laser positioning assembly comprises two front-back arranged two-axis linear positioning tables, a fixing bracket for fixing the two-axis linear positioning tables on the outer wall of the hot press, and laser lamps respectively fixed at the lower ends of the two-axis linear positioning tables.
The melamine board apparatus for producing, wherein, first carriage includes first support body, sets up in two horizontal locating plates and horizontal location cylinder that are used for carrying out horizontal location to the base plate in first support body below, sets up four vertical locating plates and vertical location cylinder that are used for carrying out vertical location to the base plate in four angles below of first support body, a plurality of first sucking discs that are used for adsorbing the base plate of waiting to process, be used for driving the first lift cylinder of first support body reciprocates to and be used for driving the first drive arrangement of first support body along first guide rail back-and-forth movement.
The melamine board apparatus for producing, wherein, the second carriage includes the second support body, a plurality of second sucking discs that are used for adsorbing the back melamine board of processing for drive the second lifting cylinder of second support body reciprocates, and be used for driving the second drive arrangement of second support body along the back-and-forth movement of second guide rail.
The melamine board production device comprises a feeding frame body, a plurality of first rollers which are arranged on the feeding frame body and are arranged in three rows, first forklift arm grooves which are arranged between two adjacent rows of first rollers and are used for allowing forklift arms to pass through, and a feeding device motor which is used for driving the first rollers to rotate; a first transmission shaft is arranged below the first rollers, chain wheels are arranged at positions, corresponding to the three rows of first rollers, of the first transmission shaft, a motor of the feeding device drives the first transmission shaft to rotate through a chain, and the first transmission shaft drives the three rows of first rollers to rotate through the chain simultaneously; a plurality of first limiting blocks are arranged at the rear side of the feeding frame body.
The melamine board production device comprises a discharging frame body, a plurality of second rollers which are arranged on the discharging frame body and are arranged in three rows, a second forklift arm groove which is arranged between two adjacent rows of second rollers and is used for allowing forklift arms to pass through, a material-placing device motor which is used for driving the second rollers to rotate, a rail wheel which is arranged at the lower end of the discharging frame body, and a rail wheel motor which is used for driving the rail wheel to rotate; a second transmission shaft is arranged below the second roller, chain wheels are arranged at positions of the second transmission shaft corresponding to the three rows of second rollers, a motor of the discharging device drives the second transmission shaft to rotate through a chain, and the second transmission shaft drives the three rows of second rollers to rotate through the chain simultaneously; a plurality of second limiting blocks are arranged on the front side of the discharging frame body.
The melamine board production device comprises a first lifting platform, a second lifting platform, a third lifting platform, a first lifting platform, a second lifting platform, a third lifting platform, a first lifting platform and a second lifting platform, wherein the first lifting platform and the second lifting platform are both hydraulic lifting platforms; a third transmission shaft is arranged below the third roller, chain wheels are arranged at positions, corresponding to the three rows of third rollers, of the third transmission shaft, the lifting table motor drives the third transmission shaft to rotate through a chain, and the third transmission shaft drives the three rows of third rollers to rotate through the chain.
A melamine board production method using the melamine board production apparatus, comprising the steps of:
s1, prefabricating: preparing a melamine board for one time before adjusting the laser positioning device, and measuring the transverse and longitudinal offset of wood grains relative to the concave grains;
s2, adjusting a laser positioning device: according to the measured transverse offset and longitudinal offset, carrying out the same-value reverse adjustment on the laser positioning device;
s3, test preparation: preparing a melamine board for one time, measuring the transverse and longitudinal offset of wood grains and concave grains, performing step S2 if the offset is too large, and performing step S4 if the offset meets the requirement;
s4, normal preparation: and (5) keeping the position of the laser positioning device unchanged, and preparing the melamine board.
The melamine board production method, wherein the preparation of the melamine board in the steps S1, S3 and S4 mainly comprises the following steps:
a1, paving melamine wood grain paper on the lower surface layer on an automatic feeding table of a hot press, and ensuring alignment of a positioning mark on the wood grain paper and a light spot projected by a laser positioning device;
a2, paving a substrate on the melamine wood grain paper on the lower surface layer;
a3, paving upper-surface melamine wood grain paper on the substrate, and ensuring alignment of a positioning mark on the wood grain paper and a light spot projected by the laser positioning device;
and A4, conveying the paved melamine board into a hot press for intaglio printing and hot press forming.
A melamine board obtained using said melamine board production process.
The beneficial effects are that:
the invention provides a melamine board production device, which comprises a hot press with an automatic feeding table and an automatic discharging table, a first lifting table, a feeding device, a first conveying frame, a first guide rail, a second lifting table, a discharging device, a second conveying frame, a second guide rail, a laser positioning device and a controller, wherein the laser positioning device is arranged above the automatic feeding table; an embossing template is fixed on the upper pressing table and the lower pressing table of the hot press respectively. When the equipment is used for preparing the melamine board, the offset of the wood grain relative to the concave grain is obtained through the pre-preparation, the laser positioning device is adjusted according to the offset, and the concave grain and the wood grain can be overlapped, so that the melamine board with the concave grain overlapped with the wood grain and high in simulation degree is obtained.
Drawings
Fig. 1 is a schematic structural view of a melamine board production apparatus provided by the present invention.
Fig. 2 is a schematic structural diagram of a laser positioning device in the melamine board production device provided by the invention.
Fig. 3 is a bottom view of the first conveyor in the melamine board production apparatus provided by the present invention.
Fig. 4 is a perspective view of a feeding device in the melamine board production apparatus provided by the invention.
Fig. 5 is a top view of a feeding device in the melamine board production apparatus provided by the invention.
Fig. 6 is a perspective view of a discharging device in the melamine board production device provided by the invention.
Fig. 7 is a top view of a discharging device in the melamine board production device provided by the invention.
Fig. 8 is a schematic structural view of a workbench of a first lifting table and a second lifting table in the melamine board production device provided by the invention.
Fig. 9 is a flow chart of the melamine board production method provided by the invention.
Detailed Description
The invention provides a melamine board, a production device and a production method thereof, and aims to make the purposes, technical schemes and effects of the invention clearer and more definite. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-8, the present invention provides a melamine board production apparatus, comprising a hot press 1 with an automatic feed table 11 and an automatic discharge table 12, a first lift table 2 for holding a board to be processed, a feed device 3 for transporting the board to the first lift table, a first carriage 4 for transporting the board from the first lift table to a fixed position on the automatic feed table, a first guide rail 5 for guiding the first carriage, a second lift table 6 for holding a processed melamine board, a discharge device 7 for transporting the melamine board on the second lift table to a storage location, a second carriage 8 for transporting the melamine board from the automatic discharge table to the second lift table, a second guide rail 9 for guiding the second carriage, a laser positioning device 10 arranged above the automatic feed table, and a controller; an embossing template is fixed on the upper pressing table and the lower pressing table of the hot press respectively; the hot press, the first lifting table, the feeding device, the first conveying frame, the second lifting table, the discharging device, the second conveying frame and the laser positioning device are electrically connected with the controller. Here, the pattern of the embossing template has the same distribution characteristics as the wood grain of the melamine wood grain paper, i.e. the pattern of the embossing template can coincide with the wood grain.
The working process of the device is as follows: the substrate is placed on the feeding device 3, the feeding device 3 conveys the substrate to the first lifting table 2, a worker lays down the surface layer melamine wood grain paper on the automatic feeding table 11 and ensures that the positioning mark on the wood grain paper is aligned with the light spot projected by the laser positioning device 10, then the first conveying frame 4 places the substrate on the wood grain paper (the position where the substrate is placed each time is fixed), then the worker lays down the upper surface layer wood grain paper on the substrate and ensures that the positioning mark on the wood grain paper is aligned with the light spot projected by the laser positioning device 10, then the hot press forming is carried out, then the second conveying frame 8 conveys the melamine board to the second lifting table 6, the second lifting table 6 conveys the melamine board to the discharging device 7, the discharging device 7 conveys the melamine board to a storage place, and finally the melamine board is removed by a forklift. Since the position of the embossing die plate is fixed, the position of the first conveying frame for placing the substrate each time is fixed, so that wood grains can be overlapped with concave grains generated by the embossing die plate by adjusting the laser positioning device 10, and the adjustment is not needed after once, until other patterns need to be replaced.
Specifically, referring to fig. 2, the laser positioning device 10 includes two laser positioning assemblies 101 symmetrically disposed above the feed inlet of the hot press 1; each laser positioning assembly 101 comprises two-axis linear positioning tables 1011 arranged front and back, a fixing bracket 1012 for fixing the two-axis linear positioning tables on the outer wall of the hot press, and laser lamps 1013 respectively fixed at the lower ends of the two-axis linear positioning tables. By adjusting the two-axis linear positioning tables, the light spot projected onto the movable feed table 11 by the laser lamp can be moved in the longitudinal direction and the transverse direction (the longitudinal direction means the moving direction of the plate, the horizontal direction perpendicular to the longitudinal direction is the transverse direction, and the definition of the longitudinal direction and the transverse direction hereinafter is the same as that here), and here, the front two-axis linear positioning tables are used for positioning the lower surface layer wood grain paper, and the rear two-axis linear positioning tables are used for positioning the upper surface layer wood grain paper.
Further, as shown in fig. 1 and 3, the first carriage 4 includes a first frame 41, two lateral positioning plates 42 and lateral positioning cylinders 43 disposed below the first frame for laterally positioning the substrate 99, four longitudinal positioning plates 44 and longitudinal positioning cylinders 45 disposed below four corners of the first frame for longitudinally positioning the substrate, a plurality of first suction cups 46 for sucking the substrate to be processed, a first lifting cylinder 47 for driving the first frame to move up and down, and a first driving device 48 for driving the first frame to move back and forth along the first guide rail 5. Specifically, the first driving device 48 includes a pulley provided on the first rail 5, and a motor for driving the pulley; the lateral positioning cylinder 43 and the longitudinal positioning cylinder 45 are fixed below the first frame body by a fixing plate 49.
When the first conveying frame works, the first frame body descends, the position of the substrate is adjusted through the transverse positioning plate 42 and the longitudinal positioning plate 44, then the first sucking disc 46 sucks the substrate, the substrate is conveyed to the automatic feeding table 11, and the position of the first conveying frame for putting down the substrate each time is fixed under the control of the controller.
Similar to the first carriage 4, the second carriage 8 includes a second frame 81, a plurality of second suction cups 82 for sucking the processed melamine boards, a second lifting cylinder 83 for driving the second frame to move up and down, and a second driving device 84 for driving the second frame to move back and forth along the second rail 9. The structure of the second driving means is the same as that of the first driving means 48.
In this embodiment, as shown in fig. 4 and 5, the feeding device 3 includes a feeding frame 31, a plurality of first rollers 32 disposed on the feeding frame and arranged in three rows, a first forklift arm slot 33 disposed between two adjacent rows of first rollers for passing a forklift arm, and a feeding device motor 34 for driving the first rollers to rotate; a first transmission shaft 35 is arranged below the first rollers, chain wheels are arranged at positions of the first transmission shaft corresponding to the three rows of first rollers, a feeding device motor 34 drives the first transmission shaft 35 to rotate through a chain (not shown), and the first transmission shaft 35 simultaneously drives the three rows of first rollers 32 to rotate through the chain (not shown); a plurality of first limiting blocks 36 are arranged on the rear side of the feeding frame body. The substrate is placed on the feeder by a forklift and is moved forward onto the first lift table as the first drum rotates. In this embodiment, the feeding frame 31 is fixed on the ground to prevent the substrate from exceeding the effective range of the first carriage 4 due to the movement of the feeding frame.
Similar to the structure of the feeding device 3, as shown in fig. 6 and 7, the discharging device 7 includes a discharging frame 71, a plurality of second rollers 72 arranged on the discharging frame and arranged in three rows, a second fork arm slot 73 arranged between two adjacent rows of second rollers for passing a fork arm, a feeding device motor 74 for driving the second rollers to rotate, a rail wheel 75 arranged at the lower end of the discharging frame, and a rail wheel motor 76 for driving the rail wheel to rotate; a second transmission shaft 77 is arranged below the second roller, chain wheels are arranged at positions of the second transmission shaft corresponding to the three rows of second rollers, a discharging device motor 74 drives the second transmission shaft 77 to rotate through a chain, and the second transmission shaft 77 drives the three rows of second rollers 72 to rotate through the chain at the same time; a plurality of second limiting blocks 78 are arranged on the front side of the discharging frame body 71. After the processed melamine board enters the discharging device 7, the discharging device 7 moves to a storage point along a track laid on the ground under the drive of the track wheel motor 76, and finally the melamine board is transferred by a forklift.
Further, as shown in fig. 1 and 8, the first lifting platform 2 and the second lifting platform 6 are hydraulic lifting platforms, the working platform 21 includes a platform frame 211, a plurality of third rollers 212 arranged on the platform frame in three rows, and a lifting platform motor 213 for driving the third rollers to rotate; a third transmission shaft 214 is arranged below the third roller, chain wheels are arranged at positions of the third transmission shaft corresponding to the three rows of third rollers, the lifting table motor 213 drives the third transmission shaft 214 to rotate through a chain, and the third transmission shaft 214 drives the three rows of third rollers 212 to rotate through the chain. The first lifting platform 2 and the second lifting platform 6 are formed by adaptively improving a working platform based on the existing product, and other parts except the working platform are all in the prior art and are not described in detail herein.
The invention also provides a melamine board production method using the melamine board production device, which comprises the following steps:
s1, prefabricating: preparing a melamine board for one time before adjusting the laser positioning device, and measuring the transverse and longitudinal offset of wood grains relative to the concave grains;
s2, adjusting a laser positioning device: according to the measured transverse offset and longitudinal offset, carrying out the same-value reverse adjustment on the laser positioning device;
for example: when the transverse offset of the wood grain relative to the concave grain is X and the longitudinal offset is Y, the laser positioning device needs to be moved along the transverse direction by-X and moved along the longitudinal direction by-Y.
S3, test preparation: preparing a melamine board for one time, measuring the transverse and longitudinal offset of wood grains and concave grains, performing step S2 if the offset is too large, and performing step S4 if the offset meets the requirement;
s4, normal preparation: and (5) keeping the position of the laser positioning device unchanged, and preparing the melamine board.
The preparation of the melamine board mainly comprises the following steps:
a1, paving melamine wood grain paper on the lower surface layer on an automatic feeding table of a hot press, and ensuring alignment of a positioning mark on the wood grain paper and a light spot projected by a laser positioning device;
a2, paving a substrate on the melamine wood grain paper on the lower surface layer;
a3, paving upper-surface melamine wood grain paper on the substrate, and ensuring alignment of a positioning mark on the wood grain paper and a light spot projected by the laser positioning device;
specifically, the positioning marks on the wood grain paper are two cross wires symmetrically arranged on two sides of the wood grain paper, and the two cross wires are respectively positioned at the midpoints of the two sides of the wood grain paper;
and A4, conveying the paved melamine board into a hot press for intaglio printing and hot press forming.
The specific method for measuring the transverse and longitudinal offset of the wood grains and the concave grains comprises the following steps:
b1, selecting a reference point: selecting a point in the concave patterns near the positioning mark of the wood grain paper as a reference point;
b2, selecting a measuring point: finding out a wood grain point corresponding to the concave grain of the reference point, wherein the wood grain point is a measuring point;
in fact, since the pattern of the embossed template has the same distribution characteristics as the wood grain of the melamine wood grain paper, the position points on them have a one-to-one correspondence.
B3, measuring offset: and respectively measuring the transverse distance and the longitudinal distance of the measuring point relative to the reference point, and taking the transverse distance and the longitudinal distance as the basis for adjusting the laser positioning device.
Because a piece of wood grain paper has two positioning marks, the same surface of the melamine board needs to be measured with two groups of data, and the two groups of data are respectively used for adjusting the positions of the two laser lamps.
The invention also provides a melamine board obtained using the production method. The obtained melamine board is a melamine wood grain board with concave grains overlapped with wood grains and high simulation degree.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present invention and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the following claims.
Claims (6)
1. A method for producing melamine board, characterized in that the melamine board production device comprises a hot press with an automatic feeding table and an automatic discharging table, a first lifting table for holding a substrate to be processed, a feeding device for transporting the substrate to the first lifting table, a first carriage for transporting the substrate from the first lifting table to a fixed position on the automatic feeding table, a first guide rail for guiding the first carriage, a second lifting table for holding a processed melamine board, a discharging device for transporting the melamine board on the second lifting table to a storage place, a second carriage for transporting the melamine board from the automatic discharging table to the second lifting table, a second guide rail for guiding the second carriage, a laser positioning device arranged above the automatic feeding table, and a controller; an embossing template is fixed on the upper pressing table and the lower pressing table of the hot press respectively; the hot press, the first lifting table, the feeding device, the first conveying frame, the second lifting table, the discharging device, the second conveying frame and the laser positioning device are electrically connected with the controller, and the laser positioning device comprises two laser positioning assemblies symmetrically arranged on two sides above a feeding hole of the hot press; each laser positioning assembly comprises two front-back arranged two-axis linear positioning tables, a fixed bracket for fixing the two-axis linear positioning tables on the outer wall of the hot press, and laser lamps respectively fixed at the lower ends of the two-axis linear positioning tables; the discharging device comprises a discharging frame body, a plurality of second rollers which are arranged on the discharging frame body and are distributed in three rows, a second forklift arm groove which is arranged between two adjacent rows of second rollers and is used for a forklift arm to pass through, a material locating device motor which is used for driving the second rollers to rotate, a rail wheel which is arranged at the lower end of the discharging frame body, and a rail wheel motor which is used for driving the rail wheel to rotate; a second transmission shaft is arranged below the second roller, chain wheels are arranged at positions of the second transmission shaft corresponding to the three rows of second rollers, a motor of the discharging device drives the second transmission shaft to rotate through a chain, and the second transmission shaft drives the three rows of second rollers to rotate through the chain simultaneously; a plurality of second limiting blocks are arranged on the front side of the discharging frame body; the melamine board production device works as follows: placing a substrate on a feeding device, conveying the substrate to a first lifting table by the feeding device, paving lower surface layer melamine wood grain paper on an automatic feeding table by a worker, ensuring that positioning marks on the wood grain paper are aligned with light spots projected by a laser positioning device, placing the substrate on the wood grain paper by a first conveying frame, paving upper surface layer wood grain paper on the substrate by the worker, ensuring that positioning marks on the wood grain paper are aligned with light spots projected by the laser positioning device, performing hot press forming, conveying a melamine board to a second lifting table by a second conveying frame, conveying the melamine board to a discharging device by the second lifting table, conveying the melamine board to a storage place by the discharging device, and finally removing the melamine board by a forklift;
the production method of the melamine board comprises the following steps:
s1, prefabricating: preparing a melamine board for one time before adjusting the laser positioning device, and measuring the transverse and longitudinal offset of wood grains relative to the concave grains;
s2, adjusting a laser positioning device: according to the measured transverse offset and longitudinal offset, carrying out the same-value reverse adjustment on the laser positioning device;
s3, test preparation: preparing a melamine board for one time, measuring the transverse and longitudinal offset of wood grains and concave grains, performing step S2 if the offset is too large, and performing step S4 if the offset meets the requirement;
s4, normal preparation: keeping the position of the laser positioning device unchanged, and preparing the melamine board;
the preparation of the melamine sheet in the step S1, the preparation of the melamine sheet in the step S3, and the preparation of the melamine sheet in the step S4 each include the steps of:
a1, paving melamine wood grain paper on the lower surface layer on an automatic feeding table of a hot press, and ensuring alignment of a positioning mark on the wood grain paper and a light spot projected by a laser positioning device;
a2, paving a substrate on the melamine wood grain paper on the lower surface layer;
a3, paving upper-surface melamine wood grain paper on the substrate, and ensuring alignment of a positioning mark on the wood grain paper and a light spot projected by the laser positioning device;
a4, conveying the paved melamine board into a hot press for intaglio printing and hot press forming;
the specific method for measuring the transverse and longitudinal offset of the wood grains and the concave grains comprises the following steps:
b1, selecting a reference point: selecting a point in the concave patterns near the positioning mark of the wood grain paper as a reference point;
b2, selecting a measuring point: finding out a wood grain point corresponding to the concave grain of the reference point, wherein the wood grain point is a measuring point;
in fact, since the pattern of the embossed template has the same distribution characteristics as the wood grains of the melamine wood grain paper, the position points on them have a one-to-one correspondence;
b3, measuring offset: and respectively measuring the transverse distance and the longitudinal distance of the measuring point relative to the reference point, and taking the transverse distance and the longitudinal distance as the basis for adjusting the laser positioning device.
2. The method according to claim 1, wherein the first carriage comprises a first frame body, two transverse positioning plates and transverse positioning cylinders arranged below the first frame body for transversely positioning the substrate, four longitudinal positioning plates and longitudinal positioning cylinders arranged below four corners of the first frame body for longitudinally positioning the substrate, a plurality of first suction cups for sucking the substrate to be processed, a first lifting cylinder for driving the first frame body to move up and down, and a first driving device for driving the first frame body to move back and forth along the first guide rail.
3. The method of claim 1, wherein the second carriage comprises a second frame body, a plurality of second suction cups for sucking the processed melamine sheet, a second lifting cylinder for driving the second frame body to move up and down, and a second driving device for driving the second frame body to move back and forth along the second guide rail.
4. The method according to claim 1, wherein the feeding device comprises a feeding frame, a plurality of first rollers arranged on the feeding frame in three rows, a first forklift arm groove between two adjacent rows of first rollers for passing forklift arms, and a feeding device motor for driving the first rollers to rotate; a first transmission shaft is arranged below the first rollers, chain wheels are arranged at positions, corresponding to the three rows of first rollers, of the first transmission shaft, a motor of the feeding device drives the first transmission shaft to rotate through a chain, and the first transmission shaft drives the three rows of first rollers to rotate through the chain simultaneously; a plurality of first limiting blocks are arranged at the rear side of the feeding frame body.
5. The method for producing melamine board according to claim 1, wherein the first lifting platform and the second lifting platform are hydraulic lifting platforms, and the working platform comprises a platform frame, a plurality of third rollers arranged on the platform frame in three rows, and a lifting platform motor for driving the third rollers to rotate; a third transmission shaft is arranged below the third roller, chain wheels are arranged at positions, corresponding to the three rows of third rollers, of the third transmission shaft, the lifting table motor drives the third transmission shaft to rotate through a chain, and the third transmission shaft drives the three rows of third rollers to rotate through the chain.
6. Melamine board, characterized in that it is obtained using the process for producing melamine boards according to claim 4 or 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710378812.3A CN107186832B (en) | 2017-05-25 | 2017-05-25 | Melamine plate and production device and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710378812.3A CN107186832B (en) | 2017-05-25 | 2017-05-25 | Melamine plate and production device and production method thereof |
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| CN107186832B true CN107186832B (en) | 2023-08-11 |
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|---|---|---|---|---|
| CN109501428A (en) * | 2018-11-12 | 2019-03-22 | 佛山市三水粤山装饰实业有限公司 | A kind of facing board assembly line for applying intelligence RGV |
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