CN114801192A - Seat back plate skin laminating equipment and laminating process thereof - Google Patents
Seat back plate skin laminating equipment and laminating process thereof Download PDFInfo
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- CN114801192A CN114801192A CN202210480792.1A CN202210480792A CN114801192A CN 114801192 A CN114801192 A CN 114801192A CN 202210480792 A CN202210480792 A CN 202210480792A CN 114801192 A CN114801192 A CN 114801192A
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- die
- skin
- heating
- seat back
- heating mechanism
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- 238000010030 laminating Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000008569 process Effects 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 98
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000007667 floating Methods 0.000 claims abstract description 37
- 238000001179 sorption measurement Methods 0.000 claims abstract description 31
- 238000007664 blowing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 210000003491 skin Anatomy 0.000 abstract description 68
- 210000002615 epidermis Anatomy 0.000 abstract description 17
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000010985 leather Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000037303 wrinkles Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 241000490495 Barbarea Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/521—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spin coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/522—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spraying, e.g. by flame spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
- B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold at least one of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/44—Furniture or parts thereof
- B29L2031/443—Chairs
Abstract
The invention relates to a seat back plate skin laminating device and a laminating process thereof, wherein the seat back plate skin laminating device comprises an upper die, a lower die and a die frame, wherein the upper die is slidably arranged above the inside of the die frame; the lower mould design has unsteady fixture for the die of profile modeling seat backplate, and lower mould a week design has a plurality of gas holes, and the inboard bottom of lower mould has evenly designed the vacuum adsorption hole, and unsteady fixture includes unsteady movable plate, elasticity portion, clamping part in the inside a week of lower mould and is close to oral area position design. The leather grain anti-deformation device has the advantages of ingenious design, convenient use and compact structure, and can prevent the leather grains from deforming and ensure the qualified appearance; vacuum adsorption, continuous clamping of a floating clamping mechanism and auxiliary air blowing of a lower die are carried out after heating, so that the problem of deformation of skin lines of the epidermis is effectively prevented; the surface skin is firstly absorbed into the cavity through the concave die with vacuum absorption, so that the surface skin can be stretched more uniformly.
Description
Technical Field
The invention relates to the field of processing of automotive interior parts, in particular to a seat back plate skin laminating device and a laminating process thereof.
Background
In the past, automotive upholstery needs a skin to be wrapped on a framework, and is usually processed by firstly heating and attaching the skin to the outer surface of the framework, then cutting scrap edges, and finally performing edge covering operation. Because the skin of the edge barb area of the frame and the frame before edge covering can not be well adhered, only manual edge covering is adopted. Low efficiency and high working strength. In order to improve the efficiency, the surface skin laminating die equipment is improved, so that the surface skin is completely laminated with the edge inverted hook area of the framework before the edge covering, and the subsequent automatic edge covering operation can be met. But has the defects that the positions such as multi-direction, wrapping pressure, corners and the like are easy to wrinkle after the skin is attached, so that the skin lines of the skin deform and the appearance is unqualified.
The seat back plate is large in height difference generally, and when some products with skin lines on the surface are coated, local stretching is large, and the skin is deformed, so that the appearance is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a seat back plate skin laminating device and a laminating process thereof, which are ingenious in design, convenient to use, compact in structure, capable of preventing skin lines from deforming and capable of ensuring qualified appearance.
The technical scheme of the invention is as follows:
the seat back plate skin laminating equipment comprises an upper die, a lower die and a die frame, wherein the upper die is slidably mounted above the interior of the die frame, the lower die is designed below the upper die, the lower die is mounted below the interior of the die frame, the upper die is designed into a convex die for copying the seat back plate, a plurality of framework adsorption holes are formed in the middle upper surface of the upper die, and a plurality of skin adsorption holes are formed in the lower end of the periphery of the upper die; the lower mould design has unsteady fixture for the die of profile modeling seat backplate, and lower mould a week design has a plurality of gas holes, and the inside a week of lower mould just is close to oral area position design, and the inboard bottom of lower mould has evenly designed the vacuum adsorption hole, unsteady fixture includes unsteady board, elasticity portion, clamping part, and the outside at the lower mould of unsteady board lower extreme rotary installation is close to the bottom position, and the unsteady board is close to the intermediate position and passes through elasticity portion elastic support in the lower mould outside near the intermediate position, and the clamping part is installed to unsteady board upper end.
The elastic part include spring, bolt, adjusting nut, lower rotating block, go up rotating block, lower rotating block both ends are rotatory to be installed at lower mould outside lower extreme, it has the rectangular hole to open on the floating plate, goes up rotating block rotatory installation in the rectangular hole, opens threaded hole in the middle of the lower rotating block, in the middle threaded hole of rotating block under the bolt bottom screw in, it has the through-hole to open in the middle of going up rotating block, the bolt passes from the through-hole in, bolt outside cover is equipped with the spring, the outside of rotating block under spring one end top, the inboard of last rotating block is pushed up to spring other end, still rotatory installation has adjusting nut above the bolt, adjusting nut presses the outside at last rotating block.
Clamping part include upset cylinder, L type upset arm, upset splint and solid fixed splint, the upset cylinder is installed in the outside upper end of floating plate, L type upset arm one end is connected to the drive end of upset cylinder, upset splint are installed to the other end tip of L type upset arm, solid fixed splint install the upper end at the floating plate.
The one end of keeping away from the lower mould of solid fixed splint fix in the floating plate upper end, the design has a row of tooth on the other end of solid fixed splint that is close to the lower mould, a row of tooth carries out the centre gripping cooperation with upset splint.
The seat back plate skin laminating equipment further comprises a heating part, wherein two sides of the heating part are close to the middle position through one side of a horizontal sliding frame installation die set, and the horizontal sliding frame stretches into the die set to be installed.
The heating part comprises an upper die heating mechanism, a lower die heating mechanism and a rectangular support frame, the upper die heating mechanism is arranged above the middle of the rectangular support frame, the lower die heating mechanism is arranged below the middle of the rectangular support frame, the horizontal sliding frame comprises two horizontal air cylinders, two sliding rails and a sliding rail, the two sliding rails are respectively arranged at the positions, close to the middle, of the die frame, the sliding rails extend outwards for a certain distance, the lower ends of the four corners of the rectangular support frame are respectively arranged on the upper surfaces of the sliding rails in a sliding mode through the sliding blocks, the two horizontal air cylinders are respectively arranged and correspondingly arranged on the inner sides of the sliding rails, and the front ends of the horizontal air cylinders are connected to the positions, close to the corners, of the two sides of the rectangular support frame through connecting pieces; the upper die heating mechanism comprises a U-shaped groove shell and a plurality of heating pipes, the lower end of the U-shaped groove shell is arranged above the rectangular supporting frame, the heating pipes are respectively arranged on the two sides and the bottom of the inside of the U-shaped groove shell, and a side plate is arranged on the rear side of the U-shaped groove shell; lower mould heating mechanism includes telescopic cylinder, left side board, right side board and a plurality of heating pipe, and both sides position around the below of left side board and right side board upper end through telescopic cylinder installation rectangle support frame respectively installs a plurality of heating pipes between left side board and the right side board, and a plurality of heating pipes carry out the installation of profile modeling mode of arranging according to the recess shape of seat back board.
The utility model provides a seat back epidermis laminating technology, adopts seat back epidermis laminating equipment carries out seat back epidermis laminating technology, and the concrete step is as follows:
firstly, glue rolling or spraying is carried out on the surface to be attached of the surface skin;
secondly, placing the surface skin on the lower die, enabling the surface skin to be adhered to face upwards, and clamping the surface skin for one circle through a floating clamping mechanism;
thirdly, manually or through a mechanical handle, buckling the framework on the upper die, and opening a plurality of framework adsorption holes on the upper die to adsorb the framework;
fourthly, a heating part on one side of the die frame is translated to the middle of the die frame, an upper heating mechanism and a lower heating mechanism respectively heat the upper die and the lower die, and the distance between the lamp tubes of the upper heating mechanism and the lower heating mechanism and the distance between the lamp tubes of the upper heating mechanism and the distance between the lamp tubes of the lower heating mechanism and the distance between the lamp tubes of the upper heating mechanism and the distance between the lamp tubes of the lower heating mechanism and the skin and the distance between the lamp tubes of the upper heating mechanism and the lower heating mechanism and the heating mechanism are controlled for 15-20 seconds; the heating temperature of the surface is controlled to be 80-100 ℃, and the heating temperature of the framework is controlled to be 100-120 ℃;
fifthly, after heating, the heating part is withdrawn from the reset, the lower die opens the vacuum adsorption hole, and the surface is adsorbed and attached in the female die of the profiling seat back plate of the lower die;
sixthly, closing the mold, namely pressing the framework on the surface of the upper mold by the upper mold, closing the vacuum adsorption holes of the lower mold, opening a plurality of surface adsorption holes on the periphery of the upper mold to adsorb the inner side of the surface exposed out of the framework, and simultaneously opening a plurality of air blowing holes on two sides of the opening part of the lower mold to blow air to the outer side of the surface exposed out of the framework at the upper end, wherein the mold closing time is 20-25 seconds;
and seventhly, loosening the clamped skin by the floating clamping mechanism, opening the mold, and manually or mechanically taking the workpiece to finish the operation.
When the vacuum adsorption holes adsorb the epidermis in the fifth step and the skeleton pushes down the epidermis in the sixth step, the floating clamping mechanism continuously clamps and strains the epidermis, and when the tension of the adsorbed epidermis or the pressure of the skeleton pushing down the epidermis are greater than the spring supporting force of the floating clamping mechanism, the floating clamping mechanism compression spring stably conveys the epidermis to the inner side, but the whole process ensures that the epidermis is continuously tensioned.
The invention has the advantages of ingenious design, convenient use and compact structure, can prevent the dermatoglyph from deforming and ensure the qualified appearance; the invention adopts the vacuum adsorption, the continuous clamping of the floating clamping mechanism and the auxiliary air blowing of the lower die after heating, thereby effectively preventing the deformation problem of the skin lines of the epidermis; the surface skin and the framework are softened by heating, the quality is improved, the qualified rate is improved, the floating clamping mechanism enables the surface skin to feed materials towards the inner side and can clamp the surface skin, the tension is maintained, the constant tension is maintained, the over-tension cannot be realized, the wrinkling cannot be caused, and the wrinkles are generated. The surface skin is firstly absorbed into the cavity through the concave die with vacuum absorption, so that the surface skin can be stretched more uniformly.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic view of the upper die of the present invention.
Fig. 3 is a schematic view of the lower die of the present invention.
Fig. 4 is a schematic view of a lower mold side floating clamp mechanism of the present invention.
Fig. 5 is a partial cross-sectional view of fig. 4.
Fig. 6 is a perspective view of the floating clamp mechanism of the present invention.
Fig. 7 is a schematic view of a heating section of the present invention.
Detailed Description
Referring to the attached drawings 1-7, the seat back plate skin laminating equipment comprises an upper die 1, a lower die 2 and a die carrier 3, wherein the upper die 1 is slidably mounted above the inside of the die carrier 3, the lower die 2 is designed below the upper die 1, the lower die 2 is mounted below the inside of the die carrier 3, the upper die 1 is designed to be a male die for copying the seat back plate, a plurality of framework adsorption holes 11 are formed in the middle upper surface of the upper die 1, and a plurality of skin adsorption holes 12 are formed in the lower end of the periphery of the upper die 1; lower mould 2 designs for the die of profile modeling seat backplate, and 2 a week designs of lower mould has unsteady fixture 4, and 2 inside a week of lower mould just is close to oral area position design and has a plurality of blow holes 21, and 2 inboard bottoms of lower mould have evenly designed vacuum adsorption hole 22, unsteady fixture 4 includes unsteady board 41, elastic component 42, clamping part 43, and unsteady board 41 lower extreme rotation is installed in the outside of lower mould 2 and is close to the bottom position, and unsteady board 41 is close to the intermediate position and passes through elastic component 42 elastic support in the lower mould 2 outside and be close to the intermediate position, and the clamping part 43 is installed to unsteady board 41 upper end.
As shown in fig. 4-6, the elastic part includes a spring 421, a bolt 422, an adjusting nut 423, a lower rotating block 424, and an upper rotating block 425, both ends of the lower rotating block 424 are rotatably mounted at the lower end of the outer side of the lower mold, the floating plate 41 is provided with a rectangular hole, the upper rotating block 425 is rotatably mounted in the rectangular hole, the middle of the lower rotating block 424 is provided with a threaded hole, the bottom of the bolt 422 is screwed into the middle threaded hole of the lower rotating block 424, the middle of the upper rotating block 425 is provided with a through hole, the bolt 422 passes through the through hole, the outer side of the bolt 422 is sleeved with the spring 421, one end of the spring 421 abuts against the outer side of the lower rotating block 424, the other end of the spring 421 abuts against the inner side of the upper rotating block 425, the adjusting nut 423 is further rotatably mounted on the bolt 422, and the adjusting nut 423 is pressed against the outer side of the upper rotating block 425; the two sides of the lower rotating block are rotatably arranged on the first supporting blocks 426 at the two sides through rotating shafts, and the lower ends of the first supporting blocks 426 are fixed on one side of the lower die; the two sides of the upper rotating block are also rotatably mounted on the second supporting blocks at the two sides through the rotating shaft, the lower ends of the second supporting blocks 427 are fixed on one side of the floating plate, and the second supporting blocks 427 are positioned at the two sides of the rectangular hole. The elastic portion does not necessarily depend on the spring 421 for compressing to maintain a constant force, and the spring 421 may be pulled back, and the spring 421 pulls the floating plate 41, so as to ensure a constant tension force during clamping, and not limit the compression structure described in the present invention.
As shown in fig. 4 to 6, the clamping portion 43 includes a turning cylinder 431, an L-shaped turning arm 432, a turning clamp 433, and a fixed clamp 434, the turning cylinder 431 is installed at the outer upper end of the floating plate 41, the driving end of the turning cylinder 431 is connected to one end of the L-shaped turning arm 432, the other end of the L-shaped turning arm 432 is installed with the turning clamp 433, and the fixed clamp 434 is installed at the upper end of the floating plate 41. One end of the fixed clamping plate 434, which is far away from the lower die 2, is fixed at the upper end of the floating plate 41, a row of teeth 435 is designed on the other end of the fixed clamping plate 434, which is close to the lower die 2, and the row of teeth 435 is clamped and matched with the overturning clamping plate 433. The invention relates to a clamping device, in particular to a clamping device for clamping a workpiece, which is characterized in that a turnover cylinder controls a turnover clamping plate to turn over for clamping; the fixed splint designs a row of tooth and cooperates the upset splint and carries out effective centre gripping to the epidermis, prevents epidermis centre gripping slippage, safe and reliable.
As shown in fig. 1 and 7, the seat back panel skin attaching device further includes a heating portion 5, two sides of the heating portion 5 are close to the middle position through one side of a horizontal sliding frame installation mold frame 3, and the horizontal sliding frame is inserted into and installed in the mold frame 3. The heating part 5 comprises an upper die heating mechanism 51, a lower die heating mechanism 52 and a rectangular support frame 53, the upper die heating mechanism 51 is arranged on the middle upper surface of the rectangular support frame 53, the lower die heating mechanism 52 is arranged on the middle lower surface of the rectangular support frame 53, the horizontal sliding frame comprises horizontal cylinders 54, sliders 55 and sliding rails 56, two sliding rails 56 are designed and are respectively arranged at the position, close to the middle, of the die frame 3, a distance is formed between the outer sides of the sliding rails 56, the lower ends of the four corners of the rectangular support frame 53 are respectively arranged on the upper surfaces of the sliding rails 56 in a sliding mode through the sliders 55, two horizontal cylinders 54 are designed and are respectively correspondingly arranged on the inner sides of the sliding rails 56, and the front ends of the horizontal cylinders 54 are connected to the positions, close to the corners, of the two sides of the rectangular support frame 53 through connecting pieces; the upper die heating mechanism 51 comprises a U-shaped groove shell 511 and a plurality of heating pipes 57, the lower end of the U-shaped groove shell 511 is arranged above the rectangular supporting frame 53, the heating pipes 57 are respectively arranged on two sides and the bottom inside the U-shaped groove shell 511, a side plate is arranged on the rear side of the U-shaped groove shell 511, and a schematic drawing of the heating frame in fig. 7 is drawn; lower mould heating mechanism 52 includes telescopic cylinder 520, left side board, right side board and a plurality of heating pipe 570, and both sides position around the below of rectangular support frame is installed through telescopic cylinder respectively to left side board and right side board upper end, installs a plurality of heating pipes 57 between left side board and the right side board, and a plurality of heating pipes 57 carry out the installation of profile modeling mode of arranging according to the recess shape of seat backplate, have omitted the right side board in figure 7. The heating part can be designed into an independent heating mechanism, the upper surface of the die frame is not required to be designed, the main heating purpose is to soften the surface skin and the framework, and uniform and stable heating is carried out during heating.
The utility model provides a seat back epidermis laminating technology, adopts seat back epidermis laminating equipment carries out seat back epidermis laminating technology, and the concrete step is as follows:
firstly, glue rolling or spraying is carried out on the surface to be jointed of the surface 6;
secondly, placing the surface skin 6 on the lower die 2 with the surface to be adhered facing upwards, and clamping the surface skin 6 for a circle by the floating clamping mechanism 4;
thirdly, manually or through a mechanical handle, buckling the framework 7 on the upper die 1, and opening a plurality of framework adsorption holes 11 on the upper die 1 to adsorb the framework 7; the framework adsorption hole design can quickly adsorb the framework 7, is simple and convenient,
fourthly, a heating part 5 on one side of the die carrier 3 is translated to the middle of the die carrier 3, an upper heating mechanism and a lower heating mechanism respectively heat the upper die 1 and the lower die 2, the distance between lamp tubes of the upper heating mechanism and the lower heating mechanism corresponding to the surface 6 and the framework 7 is controlled to be 100-150mm, and the heating time is 15-20 seconds; the heating temperature of the surface 6 is controlled to be 80-100 ℃, and the heating temperature of the framework 7 is controlled to be 100-120 ℃; the heating distance, the heating temperature and the heating time are accurately controlled, so that the skin and the framework are effectively softened, the quality during fitting is improved, and the qualified rate is improved;
fifthly, after heating, the heating part 5 is withdrawn and reset, the vacuum adsorption hole 22 is opened on the lower die 2, and the surface skin 6 is adsorbed and attached in the female die of the profiling seat back plate of the lower die 2; the design of the vacuum adsorption hole ensures that the surface skin can be uniformly adsorbed and pulled, and meanwhile, the constant tension of the floating clamping mechanism is matched, so that the surface skin is ensured not to be wrinkled, and the surface skin is ensured not to be deformed during subsequent die assembly;
sixthly, closing the mold, namely pressing the upper surface of the surface skin 6 by the upper mold 1 with the framework 7, closing the vacuum adsorption holes 22 of the lower mold 2, opening a plurality of surface skin adsorption holes 12 on the periphery of the upper mold 1 to adsorb the inner side of the surface skin 6 with the framework 7 exposed above, and simultaneously opening a plurality of air blowing holes 21 on two sides of the opening part of the lower mold 2 to blow air to the outer side of the surface skin 6 with the framework 7 exposed at the upper end, wherein the mold closing time is 20-25 seconds; after the framework is pressed on the surface skin, the surface skin is tightly supported, the floating clamping mechanism is matched with the surface skin to convey towards the inside constantly, the position of the joint angle between the framework and the surface skin cannot deform, when the surface skin is completely jointed with the framework, the surface skin needs to be wrapped towards the inner side of the upper end of the framework, at the moment, an upper surface skin adsorption hole adsorbs the surface skin and a blowing hole around the opening of a lower mold assists in blowing air to the outer side of the surface skin, the surface skin is folded towards the inner side of the framework for jointing, and wrinkles are effectively prevented from being formed at the wrapping position under the action of adsorption, blowing and the external floating clamping mechanism;
and seventhly, loosening the clamped surface skin 6 by the floating clamping mechanism 4, opening the mold, and manually or mechanically taking the workpiece to finish the operation.
When the vacuum adsorption holes 22 adsorb the skin 6 in the fifth step and the framework 7 presses down the skin 6 in the sixth step, the floating clamping mechanism 4 continuously clamps and tensions the skin 6, when the tension of the adsorbed skin 6 or the pressure of the framework 7 pressing down the skin 6 is greater than the supporting force of the spring 421 of the floating clamping mechanism 4, the floating clamping mechanism 4 compresses the spring 421 to stably convey the skin 6 to the inner side, but the whole process ensures that the skin 6 is continuously tensioned. The continuous constant tension design effectively stretches the surface skin, prevents the deformation of the dermatoglyph, does not excessively stretch, has qualified appearance, improves the product quality, also improves the production efficiency, and simplifies the structure relative to the traditional mechanism.
Claims (8)
1. The equipment for attaching the skin of the seat back plate is characterized by comprising an upper die, a lower die and a die frame, wherein the upper die is slidably arranged above the interior of the die frame, the lower die is arranged below the upper die, the lower die is arranged below the interior of the die frame, the upper die is designed into a convex die which is shaped to be a contour seat back plate, a plurality of framework adsorption holes are formed in the middle upper surface of the upper die, and a plurality of skin adsorption holes are formed in the lower end of the periphery of the upper die; the lower mould design has unsteady fixture for the die of profile modeling seat backplate, and lower mould a week design has a plurality of gas holes, and the inside a week of lower mould just is close to oral area position design, and the inboard bottom of lower mould has evenly designed the vacuum adsorption hole, unsteady fixture includes unsteady board, elasticity portion, clamping part, and the outside at the lower mould of unsteady board lower extreme rotary installation is close to the bottom position, and the unsteady board is close to the intermediate position and passes through elasticity portion elastic support in the lower mould outside near the intermediate position, and the clamping part is installed to unsteady board upper end.
2. The seat back plate skin attaching device according to claim 1, wherein the elastic part comprises a spring, a bolt, an adjusting nut, a lower rotating block and an upper rotating block, two ends of the lower rotating block are rotatably mounted at the lower end of the outer side of the lower die, the floating plate is provided with a rectangular hole, the upper rotating block is rotatably mounted in the rectangular hole, a threaded hole is formed in the middle of the lower rotating block, the bottom of the bolt is screwed into the threaded hole in the middle of the lower rotating block, a through hole is formed in the middle of the upper rotating block, the bolt penetrates through the through hole, the outer side of the bolt is sleeved with the spring, one end of the spring abuts against the outer side of the lower rotating block, the other end of the spring abuts against the inner side of the upper rotating block, the adjusting nut is further rotatably mounted on the bolt, and the adjusting nut is pressed against the outer side of the upper rotating block.
3. The seat back plate skin laminating device according to claim 1, wherein the clamping portion comprises a turning cylinder, an L-shaped turning arm, a turning clamping plate and a fixing clamping plate, the turning cylinder is installed at the upper end of the outer side of the floating plate, the driving end of the turning cylinder is connected with one end of the L-shaped turning arm, the turning clamping plate is installed at the end portion of the other end of the L-shaped turning arm, and the fixing clamping plate is installed at the upper end of the floating plate.
4. The seat back panel skin laminating device according to claim 4, wherein one end of the fixed clamping plate, which is far away from the lower die, is fixed at the upper end of the floating plate, and a row of teeth are designed on the other end of the fixed clamping plate, which is close to the lower die, and are in clamping fit with the turnover clamping plate.
5. The apparatus of claim 1, further comprising a heating part, wherein two sides of the heating part are adjacent to a middle position through one side of a horizontal sliding frame, and the horizontal sliding frame is inserted into the mold frame.
6. The seat back plate skin laminating equipment according to claim 5, wherein the heating part comprises an upper die heating mechanism, a lower die heating mechanism and a rectangular support frame, the upper die heating mechanism is installed above the middle of the rectangular support frame, the lower die heating mechanism is installed below the middle of the rectangular support frame, the horizontal sliding frame comprises two horizontal cylinders, two sliding blocks and two sliding rails, the two sliding rails are respectively installed at the position, close to the middle, of the die frame, the sliding rails extend outwards for a certain distance, the lower ends of the four corners of the rectangular support frame are respectively installed on the upper surfaces of the sliding rails in a sliding mode through the sliding blocks, the two horizontal cylinders are respectively installed on the inner sides of the sliding rails correspondingly, and the front ends of the horizontal cylinders are connected to the positions, close to the corners, of the rectangular support frame through connecting pieces; the upper die heating mechanism comprises a U-shaped groove shell and a plurality of heating pipes, the lower end of the U-shaped groove shell is arranged above the rectangular supporting frame, the heating pipes are respectively arranged on the two sides and the bottom of the inside of the U-shaped groove shell, and a side plate is arranged on the rear side of the U-shaped groove shell; lower mould heating mechanism includes telescopic cylinder, left side board, right side board and a plurality of heating pipe, and both sides position around the below of left side board and right side board upper end through telescopic cylinder installation rectangle support frame respectively installs a plurality of heating pipes between left side board and the right side board, and a plurality of heating pipes carry out the installation of profile modeling mode of arranging according to the recess shape of seat back board.
7. A process for attaching the skin of a seat back plate, which is characterized in that the process for attaching the skin of the seat back plate is carried out by adopting the equipment for attaching the skin of the seat back plate disclosed by any one of claims 1 to 6, and comprises the following specific steps:
firstly, glue rolling or spraying is carried out on the surface to be attached of the surface skin;
secondly, placing the surface skin on the lower die, enabling the surface skin to be adhered to face upwards, and clamping the surface skin for one circle through a floating clamping mechanism;
thirdly, manually or through a mechanical handle, buckling the framework on the upper die, and opening a plurality of framework adsorption holes on the upper die to adsorb the framework;
fourthly, a heating part on one side of the die frame is translated to the middle of the die frame, an upper heating mechanism and a lower heating mechanism respectively heat the upper die and the lower die, and the distance between the lamp tubes of the upper heating mechanism and the lower heating mechanism and the distance between the lamp tubes of the upper heating mechanism and the distance between the lamp tubes of the lower heating mechanism and the distance between the lamp tubes of the upper heating mechanism and the distance between the lamp tubes of the lower heating mechanism and the skin and the distance between the lamp tubes of the upper heating mechanism and the lower heating mechanism and the heating mechanism are controlled for 15-20 seconds; the heating temperature of the surface is controlled to be 80-100 ℃, and the heating temperature of the framework is controlled to be 100-120 ℃;
fifthly, after heating, the heating part is withdrawn from the reset, the lower die opens the vacuum adsorption hole, and the surface is adsorbed and attached in the female die of the profiling seat back plate of the lower die;
sixthly, closing the mold, namely pressing the framework on the surface of the upper mold by the upper mold, closing the vacuum adsorption holes of the lower mold, opening a plurality of surface adsorption holes on the periphery of the upper mold to adsorb the inner side of the surface exposed out of the framework, and simultaneously opening a plurality of air blowing holes on two sides of the opening part of the lower mold to blow air to the outer side of the surface exposed out of the framework at the upper end, wherein the mold closing time is 20-25 seconds;
and seventhly, loosening the clamped skin by the floating clamping mechanism, opening the mold, and manually or mechanically taking the workpiece to finish the operation.
8. The process of claim 7, wherein the floating clamping mechanism continuously clamps and tensions the skin when the vacuum adsorption holes adsorb the skin in the fifth step and the framework presses down the skin in the sixth step, and when the tension of the adsorbed skin or the pressure of the framework pressing down the skin is greater than the spring supporting force of the floating clamping mechanism, the floating clamping mechanism compresses the spring to stably convey the skin to the inner side, but the continuous tensioning of the skin is ensured in the whole process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210480792.1A CN114801192A (en) | 2022-05-05 | 2022-05-05 | Seat back plate skin laminating equipment and laminating process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210480792.1A CN114801192A (en) | 2022-05-05 | 2022-05-05 | Seat back plate skin laminating equipment and laminating process thereof |
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| CN114801192A true CN114801192A (en) | 2022-07-29 |
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| CN202210480792.1A Pending CN114801192A (en) | 2022-05-05 | 2022-05-05 | Seat back plate skin laminating equipment and laminating process thereof |
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| US5908524A (en) * | 1995-07-27 | 1999-06-01 | Sumitomo Chemical Co., Ltd | Method for producing fiber-reinforced thermoplastic resin molded article laminated with skin material |
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