CN211307359U

CN211307359U - Continuous bending device for plastic plate

Info

Publication number: CN211307359U
Application number: CN201922198306.3U
Authority: CN
Inventors: 张艳宾; 乔志宏; 赵世友; 张轩
Original assignee: Xinxiang Zhongda Plastic Electronics Co ltd
Current assignee: Xinxiang Zhongda Plastic Electronics Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-21
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to the technical field of plastic bending machines, in particular to a plastic plate continuous bending device, the prior bending device can not carry out continuous bending and has long production period, the plastic plate continuous bending device comprises a bending platform, a feeding platform and a shaping platform, the bending platform is positioned between the feeding platform and the shaping platform, the bending platform comprises chain plate strips, a conveying pinch roller, a heating device and a bending guide plate, the chain plate strips are driven by a transmission motor through a belt to drive a tensioning wheel to rotate for providing power, the bending guide plate is a rectangular thin plate, one end of the bending guide plate is pasted on the surface of an operating platform, the other end of the bending guide plate is perpendicular to the operating platform to form an arc plate with slope, the feeding platform and the shaping platform are provided with a limiting device, the continuous bending is realized, the bending and the shaping can be carried out at different sections simultaneously, and, the plastic bending machine has good development prospect in the technical field of plastic bending machines.

Description

Continuous bending device for plastic plate

Technical Field

The utility model relates to a plastics bender technical field especially relates to continuous bending device of plastic slab.

Background

Present cavity board plastics bender implementation mode is for adopting the mode of length customization, just decide the customization 3 meters if 3 meters of demand, 6 meters of demand just customize 6 meters, and equipment production length has the limitation, occupies a large amount of spaces, does not especially exceed the equipment more than 6 meters on the existing market, and the production mode adopts integrative once to bend, finalizes the design again, bends and the design process is separated, and production cycle time is long, can not continuous production, and length has the restriction, consequently, low in production efficiency, with high costs.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a plastic slab bending device in succession solves current bending device and can not bend in succession, the problem of production cycle length.

The technical scheme includes that the continuous bending device for the plastic plates comprises a bending platform, a feeding platform and a shaping platform, the plastic plates are fed into the bending platform from the feeding platform, after being bent by the bending platform, are discharged from the shaping platform and are shaped in the discharging process, the bending platform is located between the feeding platform and the shaping platform and comprises chain plate strips, a conveying pressing wheel, a heating device and a bending guide plate, the chain plate strips are driven by a transmission motor through a belt to rotate through a tensioning wheel to provide power, the plastic plates to be bent are conveyed between the chain plate strips of the bending platform and the conveying pressing wheel, a bending line is located below the heating device, the plastic plates are softened under the hot air of the heating device, the purpose of bending under the action of the bending guide plate is achieved, the bending guide plate is a rectangular thin plate, one end of the bending guide plate is attached to the surface of the operating platform, and the other end of the bending guide plate is perpendicular to the operating, the feeding platform and the shaping platform are provided with limiting devices, the width of the limiting devices is adjustable, thereby adapting to plastic boards with different widths, the heating device and the transmission motor control the switch through the control cabinet, the plastic board to be bent is transmitted between the chain plate strip of the bending platform and the transmission pinch roller, the chain plate strip provides the main power, the transmission pinch roller assists the plastic board to move forward in the process, the width of the limiting device on the feeding platform is adjusted to ensure that the bending line is positioned below the heating device, the plastic plate is softened under the hot air of the heating device, the purpose of bending under the action of the bending guide plate is achieved, when the plastic plates are conveyed to a shaping platform, the temperature of the bending part of the softened plastic plates is reduced, the purpose of shaping is achieved, when one plastic plate is bent at the rear half part, the part with the bent front end enters the shaping, and the plastic plates are bent continuously.

Further, the conveying pinch roller includes the application of force piece of top and the drive block of below, the one side of drive block orientation chain lath sets up the dead slot that the opening is decurrent, set up a plurality of conveying wheels in the dead slot, the application of force piece is solid metal block for aggravate the quality of conveying pinch roller, compress tightly the plastic slab and prevent its perk or skew, the conveying wheel truns into rolling friction by sliding friction in conveying pinch roller below, makes things convenient for the plastic slab to convey, application of force piece and drive block an organic whole are made.

Further, conveying pinch roller top is provided with the depression bar that is used for adjusting conveying pinch roller height, set up the bolt between depression bar and the conveying pinch roller, adjust it to the direction that is close to the conveying pinch roller through the bolt of screwing, compress tightly the conveying pinch roller, reduce the interval between conveying pinch roller and the link joint strip, be applied to the plastic slab of different thickness for the plastic slab when removing between conveying pinch roller and link joint strip, can not be because the space is great and the perk promptly, also can not lead to the resistance too big because too compressing tightly.

Furthermore, heating device is including heating air gun and air knife, and the wind-force size of hot-blast gun is adjusted through adjustment button on the switch board, the air knife is the cuboid that the inside has the cavity, air knife import and heating air gun export intercommunication and export orientation platform plane of bending, air knife opening width is between 0.15-0.25mm, and the heat of hot-blast gun directly blows on the line of bending of plastic slab through the air knife opening, and the width is little to avoided the plastic slab large tracts of land to soften the line of bending that the line is not concentrated and is caused in bending and can not keep the level, the not enough problem of precision, but the energy saving reaches the purpose of high-efficient softened plastic slab department of bending simultaneously.

Furthermore, the air knife is connected with the conveying pressing wheel through the adjusting part, the upper surface of the conveying pressing wheel is provided with a long channel for fixing the adjusting part, the adjusting part is L-shaped, one end of the adjusting part is fixedly connected with the air knife, the other end of the adjusting part is connected with the long channel through a screw and moves in the long channel to adjust the distance between the air knife and the conveying pressing wheel, so that the position of the plastic plate corresponding to the air knife opening is changed, and the air knife is suitable for heating when plastic plates with different widths are bent.

Furthermore, guide grooves are formed in the feeding platform and the shaping platform, the limiting device comprises two positioning blocks which are parallel to each other, the positioning blocks are fixed to the feeding platform and the shaping platform through the guide grooves, and the distance between the two positioning blocks which are parallel to each other is adjusted through movement in the guide grooves, so that the plastic plates with different widths are suitable for bending.

Furthermore, a shaping driving wheel is arranged between the bending platform and the shaping platform, so that the plastic plate is prevented from deforming.

Furthermore, the chain plate strip is made of steel, so that the chain plate strip is prevented from being thermally deformed when the heating device heats the plastic plate.

Furthermore, the end part of one end of the bending guide plate, which is flatly attached to the surface of the operating platform, is provided with a transition piece, and the thickness of the transition piece gradually decreases from the end part of the bending guide plate to the plane transition of the operating platform to form a slope-shaped upper surface, so that the plastic plate can smoothly enter the bending guide plate.

The technical effect of the utility model is that, this plastic slab bender is through the cooperation of platform and both ends platform of bending, realize bending in succession, and the plastic slab that adapts to different width through adjustable stop device processes of bending, the distance through adjusting chain lath and conveying pinch roller adapts to the plastic slab of different thickness, the air knife opening is little, heating range is accurate, facilitate for the process of bending, a device satisfies the plastic slab work of bending of multiple different yards, save the cost, it is efficient to bend, the angle is accurate, and can will bend and the design while different sections go on, shorten production cycle.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the front view structure of the present invention.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is a schematic top view of the present invention.

1. The automatic bending machine comprises a feeding platform, a 2-bending platform, a 3-shaping platform, a 4-positioning block, a 5-conveying pinch roller, a 6-air knife, a 7-hot air gun, a 8-bending guider, a 9-shaping conveying wheel, a 10-transmission motor, a 11-belt, a 12-tensioning wheel, a 13-chain plate, a 14-control cabinet, a 15-pressure rod, a 16-guide groove, a 17-adjusting piece, a 18-conveying wheel and a 19-transition piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows: as shown in fig. 1 to 4, the continuous plastic plate bending device comprises a bending platform 2, a feeding platform 1 and a shaping platform 3, wherein a plastic plate is fed from the feeding platform 1 to the bending platform, is bent by the bending platform, is discharged from the shaping platform 3 and is shaped in the discharging process, the bending platform 2 is positioned between the feeding platform 1 and the shaping platform 3, a shaping driving wheel 9 is arranged between the bending platform 2 and the shaping platform to prevent the plastic plate from deforming, the bending platform comprises a chain plate bar 13, a conveying pressing wheel 5, a heating device and a bending guide plate 8, the chain plate bar 13 is made of steel materials, the chain plate bar is prevented from being thermally deformed when the heating device heats the plastic plate, the chain plate bar 13 is driven by a driving motor 10 through a belt 11 to rotate a tensioning wheel 12 to provide power, and the plastic plate to be chain-wound and bent is conveyed between the bending platform plate bar 13 and the conveying pressing wheel 5, the line of bending is located heating device below, and the plastic slab softens under heating device's hot-blast, reaches the purpose of accomplishing the bending under the effect of deflector 8 of bending, deflector 8 of bending is the rectangle sheet metal, 8 one end of deflector of bending is pasted on the operation platform surface and the other end and operation platform perpendicular form the arc that has the slope, be provided with stop device on material loading platform 1 and the design platform 3, the stop device width is adjustable to the plastic slab that adapts to different width, heating device and driving motor pass through the switch is controlled to the switch, and the plastic slab that waits to bend is sent into the product according to stop device through the manual work, reachs between platform chain lath 13 of bending and conveying pinch roller 5, and the motor drives the conveying wheel and conveys the product forward and conveys away after guaranteeing the invariable design of angle through design department, realizes the production of bending in succession, and length can not restricted function, conveying pinch roller 5 assists the plastic slab to move ahead at this in-process, through adjusting the width of stop device on the material loading platform, make the line of bending be located heating device below, the plastic slab softens under heating device's hot-blast, reach the purpose of accomplishing the bending under the effect of deflector 8 of bending, when sending to design platform, the partial temperature reduction of softening plastic slab bending, reach the purpose of design, when a plastic slab is bent at latter half, the part that the front end was bent and is accomplished gets into the design, the plastic slab is bent and is gone on in succession.

Example two: in one embodiment, the conveying pinch roller 5 comprises a force application block above and a transmission block below, one surface of the transmission block facing the chain plate strip 13 is provided with a hollow groove with a downward opening, a plurality of conveying wheels 18 are arranged in the hollow groove, the force application block is a solid metal block and is used for weighting the quality of the conveying pinch roller 5, a compression plastic plate is compressed to prevent the plastic plate from tilting or offsetting, the sliding friction of the conveying wheels 18 below the conveying pinch roller is converted into rolling friction to facilitate the conveying of the plastic plate, the force application block and the transmission block are integrally manufactured, a compression rod 15 used for adjusting the height of the conveying pinch roller 5 is arranged above the conveying pinch roller 5, a bolt is arranged between the compression rod 15 and the conveying pinch roller 5, the compression rod is adjusted in the direction close to the conveying pinch roller 5 by screwing the bolt, the conveying pinch roller is compressed, the distance between the conveying pinch roller and the chain, when the plastic plate moves between the conveying pinch roller and the chain plate strip, the plastic plate cannot be tilted due to large space, and the resistance cannot be too large due to too much compression.

In the above embodiment, the heating device includes a heating air gun 7 and an air knife 6, the wind power of the heating air gun 7 is adjusted by an adjusting button on a control cabinet 14, the air knife 6 is a cuboid with a cavity inside, the air knife inlet is communicated with the heating air gun outlet, the outlet faces the plane of the bending platform, the opening width of the air knife 6 is 0.15-0.25mm, the heat of the heating air gun is directly blown on the bending line of the plastic plate through the air knife opening, the width is small, so that the problems that the bending line cannot be kept horizontal and the precision is not enough due to the fact that the lines of the plastic plate are not concentrated in bending are avoided due to large-area softening of the plastic plate, meanwhile, energy can be saved, the purpose of efficiently softening the bending position of the plastic plate is achieved, the air knife 6 is connected with the conveying pinch roller 5 through an adjusting piece 17, the upper surface of the conveying pinch roller 5 is provided with a long channel for fixing the, one end of the adjusting piece 17 is fixedly connected with the air knife 6, and the other end of the adjusting piece is connected with the long groove through a screw and moves in the long groove to adjust the distance between the air knife 6 and the conveying pinch roller 5 so as to change the position of the plastic plate corresponding to the air knife opening and adapt to heating when plastic plates with different widths are bent.

In the above embodiment, the feeding platform 1 and the shaping platform 3 are provided with the guide grooves 16, the limiting device includes two positioning blocks 4 parallel to each other, each positioning block 4 is fixed on the feeding platform 1 and the shaping platform 3 through the guide groove 16, and the distance between the two positioning blocks 4 parallel to each other is adjusted by moving in the guide groove, so as to adapt to bending of plastic boards with different widths.

In the above embodiment, the end of the bending guide plate 8, which is flatly attached to the surface of the operating platform, is provided with the transition piece, and the transition piece gradually decreases in thickness from the end of the bending plate to the plane of the operating platform to form a slope-shaped upper surface, so that the plastic plate smoothly enters the bending guide plate 8.

The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.

Claims

1. Continuous bending device of plastic slab, including bending platform (2), feeding platform (1) and design platform (3), its characterized in that, bending platform (2) is located between feeding platform (1) and design platform (3), the platform of bending includes chain lath (13), conveying pinch roller (5), heating device and deflector (8) of bending, chain lath (13) are driven take-up pulley (12) by driving motor (10) through belt (11) and are rotated and provide power, deflector (8) of bending are the rectangle sheet metal, deflector (8) one end of bending is pasted in operation platform surface and the other end and the perpendicular arc that forms of operation platform and have the slope, be provided with stop device on feeding platform (1) and design platform (3).

2. Continuous bending device according to claim 1, characterized in that the conveying rollers (5) comprise an upper force application block and a lower driving block, wherein one side of the driving block facing the chain slat (13) is provided with a hollow groove with a downward opening, and a plurality of conveying rollers (18) are arranged in the hollow groove.

3. The continuous bending device for plastic plates according to claim 1 or 2, wherein a pressure lever (15) for adjusting the height of the conveying pinch roller (5) is arranged above the conveying pinch roller (5), and a bolt is arranged between the pressure lever (15) and the conveying pinch roller (5).

4. The plastic plate continuous bending device according to claim 1, wherein the heating device comprises a heating air gun (7) and an air knife (6), the air knife (6) is a cuboid with a cavity inside, an inlet of the air knife is communicated with an outlet of the heating air gun, the outlet of the air knife faces the plane of the bending platform, and the opening width of the air knife (6) is 0.15-0.25 mm.

5. The plastic plate continuous bending device according to claim 4, wherein the air knife (6) is connected with the conveying pinch roller (5) through an adjusting piece (17), a long groove for fixing the adjusting piece (17) is formed in the upper surface of the conveying pinch roller (5), the adjusting piece (17) is L-shaped, one end of the adjusting piece (17) is fixedly connected with the air knife (6), and the other end of the adjusting piece (17) is connected with the long groove through a screw.

6. The continuous bending device for plastic plates according to claim 1, wherein the feeding platform (1) and the shaping platform (3) are provided with guide grooves (16), the limiting device comprises two mutually parallel positioning blocks (4), and each positioning block (4) is fixed on the feeding platform (1) and the shaping platform (3) through the guide groove (16).

7. Continuous bending device for plastic sheets according to claim 1, characterized in that a shaping transmission wheel (9) is arranged between the bending platform (2) and the shaping platform.

8. Continuous bending device according to claim 1, characterized in that the chain bar (13) is made of steel.

9. The device for continuously bending plastic plates according to claim 1, wherein the end of the bending guide plate (8) lying against the operating platform surface is provided with a transition piece (19), the thickness of which gradually decreases from the end of the bending plate to the transition of the operating platform surface to form a ramp-shaped upper surface.