CN108381899B

CN108381899B - Acrylic bathtub forming system capable of achieving efficient production

Info

Publication number: CN108381899B
Application number: CN201810128892.1A
Authority: CN
Inventors: 林榆彬; 管仙福; 叶国勇; 林美丽
Original assignee: Aifeiling Sanitary Wares Technology Group Co ltd
Current assignee: Aifeiling Sanitary Wares Technology Group Co ltd
Priority date: 2018-02-08
Filing date: 2018-02-08
Publication date: 2020-04-03
Anticipated expiration: 2038-02-08
Also published as: CN108381899A

Abstract

The invention discloses an acrylic bathtub forming system for high-efficiency production, which has the technical scheme that: including the frame, the heating cabinet of setting in the frame, fixture, forming die, the air exhaust device who is linked together with the inside die cavity of forming die, two openings have been seted up on the heating cabinet, be provided with the slide rail between two openings, it is connected with the mount pad to slide on the slide rail, fixture's figure is two at least and follows the sliding direction evenly distributed of mount pad, forming die's figure is the same and symmetric distribution in the heating cabinet both sides with fixture's figure, when the heating cabinet heats inside ya keli board, the ya keli board that is located the heating cabinet outside warp gradually and becomes the curved plate, and the temperature of curved plate reduces gradually, make the process of waiting reduce, the production efficiency of this forming system has been improved. An acrylic bathtub is made of PMMA plastic material and is characterized by rich modeling, light weight and good surface finish.

Description

Acrylic bathtub forming system capable of achieving efficient production

Technical Field

The invention relates to bathtub production equipment, in particular to an acrylic bathtub forming system capable of realizing efficient production.

Background

An acrylic bathtub is a bathtub made of PMMA plastic materials, and the cylinder body of the acrylic bathtub is formed by compounding a surface layer (acrylic layer) and an inner layer (glass fiber resin reinforced layer). The acrylic bathtub is characterized by rich modeling, light weight and good surface finish.

At present, chinese patent No. CN105128240A discloses a bathtub forming apparatus, which includes a heating device for heating an acrylic plate, a clamping mechanism for clamping the edge of the acrylic plate after heating and softening, and an air pressure device, wherein an acting force provided by the air pressure device is uniformly applied to the acrylic plate in a clamping area range to deform the acrylic plate into a curved plate, and the curved plate is clamped and fixed in a cavity of a forming mold.

When using this forming device to produce acrylic bathtub, at first with the ya keli board centre gripping on fixture, later use heating device to heat the ya keli board and make it soften to on placing forming die with the ya keli board after the heat softening, later use air pressure unit to bleed off forming die, make the inside air reduction of forming die cavity, the ya keli board is towards the inside deformation that hangs down of forming die cavity.

However, in the process of heating the acrylic plate by using the heating device, a long time is needed to be waited to ensure that the acrylic plate is heated sufficiently; after the acrylic plate is formed into the curved plate, a long time is needed to wait to ensure that the curved plate is not easy to deform in the process of taking out the curved plate. That is, the molding process of the acrylic sheet takes a long time, and the production efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an acrylic bathtub forming system capable of realizing high-efficiency production, which has the advantage of higher production efficiency.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides an acrylic bathtub forming system of high-efficient production, includes the frame, sets up be used for in the frame carrying out the heating cabinet that heats to the acrylic plate, be used for carrying out fixture of centre gripping, the forming die who is used for shaping acrylic bathtub, the air exhaust device that is linked together with the inside die cavity of forming die to the acrylic plate after the heat-softening, two openings have been seted up on the heating cabinet, and two openings distribute on the two relative lateral walls of heating cabinet, the both ends that are provided with slide rail and slide rail between two openings expose from two openings part respectively, it is connected with the mount pad to slide on the slide rail, fixture sets up on the mount pad, and fixture's figure is two at least and just follows the direction of sliding evenly distributed of mount pad, forming die's figure is the same with fixture's figure and symmetric distribution in the heating cabinet both sides.

Through the technical scheme, when the forming system is used for producing the acrylic bathtub, the acrylic plate is firstly placed on the clamping mechanism exposed out of the heating box, and the clamping mechanism is used for clamping the acrylic plate. And then the mounting seat can be driven to move by a driving piece such as an oil cylinder or an air cylinder, so that the clamping mechanism provided with the acrylic plate moves towards one side of the heating box, and the clamping mechanism positioned in the heating box moves towards the outer side of the heating box. When the clamping mechanism with the acrylic plate is moved to the inside of the heating box, the heating box heats the acrylic plate positioned and inside the heating box. Meanwhile, the clamping mechanism originally positioned in the heating box moves to the upper part of the forming die, and the acrylic plate on the clamping mechanism is abutted against the top surface of the forming die. At the moment, the air exhaust device is controlled to be opened, and the air between the acrylic plate and the molding die cavity is exhausted by the air exhaust device, so that negative pressure is formed inside the molding die cavity. Thus, the acrylic sheet is deformed in a vertical direction toward the inside of the cavity of the molding die by the atmospheric pressure. In the process, the acrylic plate is exposed to the external environment, and the temperature of the acrylic plate is higher than that of the external environment, so that the heat contained in the acrylic plate is diffused to the external environment, and the temperature of the acrylic plate is gradually reduced.

Like this when the heating cabinet heats the acrylic plate, the acrylic plate warp gradually and becomes the curved plate, and the temperature of curved plate reduces gradually for the process of waiting reduces, has improved this forming system's production efficiency to a certain extent. And all the clamping mechanisms are arranged on the mounting seat, so that all the clamping mechanisms can be driven to move by only one driving piece, and more energy is saved.

Preferably, the heating cabinet is provided with the sunshade that slides on the open-ended terminal surface and be connected with, the sunshade is used for hiding the opening, be provided with on the heating cabinet lateral wall and be used for driving the sunshade and carry out the driving source that slides.

Through above-mentioned technical scheme, when the fixture motion that has the ya keli board at the centre gripping was inside to the heating cabinet, move downwards through the drive source drive sunshade, until the sunshade covers the opening. When using the heating cabinet to heat the acrylic plate like this, the heat of heating cabinet inside is difficult for diffusing to the external world for the heating cabinet can accomplish the heating to the acrylic plate sooner, has improved this molding system's machining efficiency to a certain extent.

Preferably, an extension frame is fixedly connected to the side wall of the heating box with the opening, the extension frame is located above the forming die, and a fan is arranged on the extension frame and used for blowing air to one side of the forming die.

Through the technical scheme, when the acrylic plate softened by heating is formed into the curved plate and is contacted with the inner wall of the cavity of the forming die, the fan is started, and the fan blows air to one side of the forming die. Therefore, heat contained in the acrylic plate can be diffused to the outside at a higher speed, and the production efficiency of the forming system is improved to a certain extent.

Preferably, fixture is including setting up the mounting bracket that is used for placing the ya keli board on the mounting bracket, a plurality of evenly distributed hinge seat on the mounting bracket, hinge the hinge rod on hinge seat, set up the butt touch piece that is used for contacting with the ya keli board on the hinge rod, set up and be used for driving the hinge rod on the mounting bracket and carry out pivoted drive element.

Through above-mentioned technical scheme, when needs use fixture to carry out the centre gripping to the ya keli board, at first rotate around articulated seat through drive element control hinge rod, and the tip that hinge rod has the touch-block upwards perks. Afterwards place the ya keli board on the mounting bracket, and the ya keli board is located between a plurality of articulated seats. Then, the hinge rod is driven to rotate through the driving element, so that the end part, provided with the contact block, of the hinge rod is gradually close to the acrylic plate until the contact block on the hinge rod is contacted with the acrylic plate and the acrylic plate is pressed on the mounting frame.

Preferably, the rack bilateral symmetry distributes and has the standing groove that is used for placing forming die, the standing groove bottom is provided with the elevating system who offsets with forming die, elevating system including set up the lift cylinder in the standing groove bottom, set up on the lift cylinder piston rod and with the standing groove continuous board of placing that slides.

Through above-mentioned technical scheme, when the acrylic plate shaping was the curved plate and cooled off to the room temperature, control lift cylinder piston rod shrink, the board of placing that links to each other with lift cylinder piston rod this moment slides downwards along the degree of depth direction of standing groove for the forming die who sets up on placing the board separates with fashioned curved plate, and forming die accomodates inside the standing groove. Like this at the in-process that the mount pad removed, forming die can not touch with the mount pad and produce the hindrance to the removal of mount pad, and forming die can not appear warping the condition of damaging even because of touching with the mount pad.

Preferably, the bottom of the forming mold is provided with an air cavity, the inner wall of the forming mold is provided with a plurality of fine holes communicated with the air cavity, and the air extractor comprises an air extracting element arranged on the rack and an air inlet pipe used for connecting the air cavity and the air extracting element.

Through above-mentioned technical scheme, when needs take out the air between ya keli board and the forming die cavity, the control element of bleeding opens, and the air between follow ya keli board and the forming die cavity enters into inside the air cavity via the pore to finally discharge via the intake pipe. The pore diameter of the fine pores is small, so that in the process of sucking out air between the acrylic plate and the molding die cavity by using the air suction device, the bottom surface of the curved plate is not easy to suck out pits, and the surface smoothness of the acrylic bathtub is ensured to a certain extent.

Preferably, the air exhaust element is provided with an air inlet and an air outlet, the air inlet is connected with an air inlet pipe, the air outlet is connected with an air bag, the air bag is located inside the placing groove, an air outlet pipe is arranged on the air bag, and a switch device used for controlling the opening and closing of the air outlet pipe is arranged on the air outlet pipe.

Through above-mentioned technical scheme, use the component of bleeding to carry out the in-process of gettering to the air between ya keli board and the forming die cavity, the air flows to air inlet department from the inlet duct, and later inside gas outlet and the outlet duct entering into the gasbag of flowing through, the volume of gasbag increases. When the gasbag offsets with placing the board bottom surface, the gasbag provides the holding power to placing the board, and it is less to place the pressure that board effect was on lift cylinder like this for lift cylinder is difficult for appearing damaging. When the forming die needs to be controlled to move towards the inside of the placing groove, the switching device is started, and at the moment, the gas in the air bag is discharged from the gas outlet pipe.

Preferably, the switch device comprises a plurality of elastic shifting pieces arranged in the air outlet pipe, two adjacent elastic shifting pieces are abutted against each other, and the end part of each elastic shifting piece, which is far away from the inner pipe wall of the air outlet pipe, extends towards one side of the air cavity.

Through above-mentioned technical scheme, placing the board and pushing the gasbag towards the inside in-process that removes of standing groove for the inside atmospheric pressure of gasbag increases, and the inside gaseous pressure of acting on the elasticity plectrum of gasbag increases. When the inside pressure of gasbag increased to a definite value, the tip that the elasticity plectrum deviates from the outlet duct upwards perk and alternate segregation, inside the gas of gasbag entered into the air cavity from the outlet duct this moment, and later the inside gas of air cavity spouts and is acted on the fashioned curved plate from the pore, applys the thrust towards the top to the curved plate for the process of taking out of curved plate becomes more convenient, swift.

In summary, compared with the prior art, the beneficial effects of the invention are as follows:

1. when the heating cabinet heats inside ya keli board, the ya keli board that is located the heating cabinet outside is out of shape gradually and is become the curved plate, and the temperature of curved plate reduces gradually for the process of waiting reduces, has improved this forming system's production efficiency to a certain extent.

2. All fixture set up on the mount pad, only need a driving piece just can drive all fixture and remove like this, and is more energy-conserving.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment, which is mainly used for showing an appearance structure of the embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic sectional view of the embodiment, which is mainly used for illustrating the connection of the parts of the embodiment;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

fig. 5 is an enlarged view of the portion C of fig. 4.

Reference numerals: 1. a frame; 2. a heating box; 3. a clamping mechanism; 31. a mounting frame; 32. a hinged seat; 33. a hinged lever; 331. a first straight rod; 332. a second straight rod; 34. a contact block; 35. a drive element; 351. a connecting rod; 352. a driving oil cylinder; 4. forming a mold; 5. an air extraction device; 6. an opening; 7. a slide rail; 8. a mounting seat; 9. a shutter; 10. a drive source; 11. an extension frame; 12. a fan; 13. a placement groove; 14. a lifting mechanism; 141. a lift cylinder; 142. placing the plate; 15. an air cavity; 16. fine pores; 17. an air extraction element; 18. an air inlet pipe; 19. an air inlet; 20. an air outlet; 21. an air bag; 22. an air outlet pipe; 23. a switching device; 231. an elastic shifting piece; 24. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an acrylic bathtub forming system of high-efficient production, as shown in fig. 1, 3, including setting up frame 1 subaerial, setting up be used for carrying out the heating cabinet 2 that heats to the acrylic plate in frame 1, setting up be used for carrying out fixture 3 of centre gripping to the acrylic plate in frame 1, setting up be used for shaping acrylic bathtub's forming die 4 in frame 1, setting up the air exhaust device 5 that links to each other on frame 1 and with forming die 4.

When needs are produced acrylic bathtub, at first place the ya keli board on fixture 3 and use fixture 3 to carry out the centre gripping to the ya keli board, later place the fixture 3 who accompanies the ya keli board inside heating cabinet 2 to use heating cabinet 2 to heat its inside ya keli board. When the acrylic plate on the clamping mechanism 3 is heated to be softened, the clamping mechanism 3 with the acrylic plate is taken out and moved to be opposite to the forming mold 4, the acrylic plate after being heated and softened is in contact with the forming mold 4, and then the air between the acrylic plate and the mold cavity of the forming mold 4 is pumped out by using the air pumping device 5, so that the acrylic plate is vertically extended and deformed towards one side of the mold cavity of the forming mold 4 under the action of atmospheric pressure. When the acrylic sheet is deformed into a curved sheet and cooled to room temperature, the air-extracting device 5 is closed and the formed curved sheet is taken out from the holding mechanism 3.

An extension frame 11 is fixedly connected to the side wall of the heating box 2, and the extension frame 11 extends along the horizontal direction. The number of the extension frames 11 is two and the two extension frames 11 are symmetrically distributed with the heating box 2 as the center. A plurality of fans 12 connected with a power supply are uniformly distributed on each extending frame 11, and the fans 12 face one side of the rack 1 and are used for blowing air to one side of the rack 1.

Two openings 6 are formed in the heating box 2, and the two openings 6 are symmetrically distributed on two opposite end faces of the heating box 2. The heating box 2 is internally provided with a slide rail 7 extending along the horizontal direction, two ends of the slide rail 7 respectively protrude out of the two openings 6, and the slide rail 7 is fixedly connected with the inner walls of the openings 6. The end part of the slide rail 7 exposed out of the opening 6 is provided with a plurality of support rods connected with the rack 1, the support rods are uniformly distributed along the length direction of the slide rail 7, and the length direction of the support rods is vertical. The number of the slide rails 7 is two and the two slide rails are respectively and symmetrically fixedly connected to the opposite inner walls of the opening 6. An installation seat 8 is arranged between the two slide rails 7, and the installation seat 8 can slide along the length direction of the slide rails 7.

As shown in fig. 1 and 2, the number of the clamping mechanisms 3 is two and is distributed along the sliding direction of the mounting base 8. The clamping mechanism 3 comprises a mounting frame 31 arranged on the mounting base 8, a plurality of hinge bases 32 uniformly distributed on the top surface of the mounting frame 31, hinge rods 33 hinged on the hinge bases 32, contact blocks 34 arranged on the hinge rods 33, and driving elements 35 arranged on the mounting frame 31 and connected with the hinge rods 33. The mounting bracket 31 is provided with a through hole 24 in a penetrating manner, the orifice of the through hole 24 is square, and the center line of the through hole 24 coincides with the center line of the mounting bracket 31. A plurality of hinge seats 32 are evenly distributed around the through hole 24, and hinge rods 33 on the hinge seats 32 extend in the horizontal direction. The hinge rod 33 includes a first straight rod 331 hinged on the hinge base 32, and a second straight rod 332 fixedly connected on the first straight rod 331, and the length direction of the first straight rod 331 is perpendicular to the second straight rod 332. The abutting block 34 is made of rubber, the abutting block 34 is fixedly connected to the end portion, close to the through hole 24, of the hinge rod 33, and the abutting block 34 is used for contacting with an acrylic plate placed on the mounting frame 31. The number of the driving elements 35 is four and is uniformly distributed around the through hole 24, and the driving elements 35 include connecting rods 351 and driving cylinders 352. The connecting rods 351 are connected to all the hinge levers 33 on the side of the through-hole 24, and the connecting ends of the connecting rods 351 and the hinge levers 33 are located on the end portions of the hinge levers 33 remote from the through-hole 24. The driving cylinder 352 is hinged to the mounting frame 31 and a hinge shaft of the driving cylinder 352 is parallel to the connecting rod 351. The piston rod of the driving cylinder 352 is hinged to the connecting rod 351, and the hinge shaft on the piston rod of the driving cylinder 352 is parallel to the connecting rod 351.

As shown in fig. 1, a shutter 9 is slidably attached to an end surface of the heating cabinet 2 having the opening 6, a sliding direction of the shutter 9 is a vertical direction, and the shutter 9 is used to cover the opening 6. The top of the heating box 2 is provided with a driving source 10, and the driving source 10 is connected with the top surface of the shielding plate 9 and is used for driving the shielding plate 9 to slide. The driving source 10 may be selected from an oil cylinder or an air cylinder.

As shown in fig. 3 and 4, two placing grooves 13 are provided on the top surface of the rack 1, the two placing grooves 13 are symmetrically distributed around the heating box 2, and the placing grooves 13 extend in the vertical direction. Each of the placing grooves 13 is provided with a lifting mechanism 14 therein, the lifting mechanism 14 includes a lifting cylinder 141 and a placing plate 142, the lifting cylinder 141 is fixedly connected inside the placing groove 13, and a piston rod of the lifting cylinder 141 extends in a vertical direction toward one side of the mounting base 8 and a piston rod of the lifting cylinder 141. The placing plate 142 is fixedly coupled to the piston rod of the lift cylinder 141 and the placing plate 142 is perpendicular to the piston rod of the lift cylinder 141.

The molding die 4 is placed on the top surface of the placing plate 142, and the molding die 4 has a die cavity which penetrates through the top surface of the molding die 4. An air cavity 15 is arranged inside the forming die 4, and the air cavity 15 is positioned below the die cavity. The inner cavity wall of the air cavity 15 is provided with a plurality of pores 16, and the end part of the pores 16 far away from the air cavity 15 extends towards one side of the mold cavity and penetrates through the inner cavity wall of the mold cavity.

As shown in fig. 3, 4 and 5, the air extracting device 5 is disposed inside the placing groove 13, and the air extracting device 5 includes an air inlet pipe 18 and an air extracting element 17. An air inlet pipe 18 penetrates through the molding die 4 and communicates with the air cavity 15. The suction element 17 has an air inlet 19 for the air to enter and the air inlet 19 is connected to an air inlet duct 18. The suction element 17 also has an air outlet 20 for discharging air. An air bag 21 is connected to the air outlet 20, and the air bag 21 is placed inside the placement groove 13. An air outlet pipe 22 is arranged on the air bag 21, and the end part of the air outlet pipe 22 far away from the air bag 21 penetrates through the forming die 4 and is communicated with the air cavity 15. The switch device 23 for controlling the opening or closing of the air outlet pipe 22 is arranged in the air outlet pipe 22, the switch device 23 comprises a plurality of elastic shifting pieces 231 arranged in the air outlet pipe 22, and the elastic shifting pieces 231 are distributed in a circumferential array by taking the axial lead of the air outlet pipe 22 as the center. The elastic shifting pieces 231 are abutted against each other, and the end of the elastic shifting piece 231 away from the air outlet pipe 22 extends towards one side of the air cavity 15.

The concrete use process of the acrylic bathtub forming system with high-efficiency production is as follows:

the first step is as follows: placing an acrylic plate on a mounting frame 31 exposed out of the heating box 2;

a second part: the hinge rod 33 is controlled to rotate around the hinge shaft through the driving element 35, and the end part of the hinge rod 33 with the abutting block 34 rotates towards the side of the acrylic plate until the abutting block 34 is in contact with the acrylic plate on the mounting frame 31;

the third step: the mounting seat 8 is driven to move on the slide rail 7 through an oil cylinder or an air cylinder, so that the clamping mechanism 3 exposed out of the heating box 2 moves towards one side of the heating box 2 and moves into the heating box 2, and the clamping mechanism 3 originally positioned in the heating box 2 moves towards the outer side of the heating box 2 and is completely separated from the heating box 2;

the fourth step: the shutter 9 is controlled to move downward by the driving source 10 until the shutter 9 completely covers the opening 6; meanwhile, the piston rod of the lift cylinder 141 is controlled to extend, so that the placing plate 142 and the forming cylinder connected to the piston rod of the lift cylinder 141 move upwards until the top surface of the forming mold 4 contacts the acrylic plate on the mounting frame 31;

the fifth step: the heating box 2 is opened, and the heating box 2 heats the acrylic plate in the heating box; meanwhile, the air exhaust element 17 is controlled to be started, the air exhaust element 17 exhausts the air between the acrylic plate and the cavity of the forming die 4 and discharges the air into the air bag 21 through the air outlet 20, so that the volume of the air bag 21 is increased;

and a sixth step: controlling the piston rod of the lifting cylinder 141 to contract, so that the placing plate 142 and the forming die 4 arranged on the output shaft of the lifting cylinder 141 move towards the inside of the placing groove 13, and the forming die 4 is completely separated from the deformed acrylic plate;

a seventh section: the hinge rod 33 is controlled to rotate around the hinge shaft by the driving element 35, and the end part of the hinge rod 33 with the abutting block 34 rotates towards the side far away from the acrylic plate, so that the abutting block 34 is separated from the edge of the acrylic plate;

eighth step: the shutter 9 is controlled to move upwards by the driving source 10 until the opening 6 is completely exposed to the outside;

the ninth step: and taking down the deformed acrylic plate.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. The utility model provides an inferior gram force bathtub forming system of high-efficient production, includes frame (1), sets up be used for carrying out heating cabinet (2) that heat to the inferior gram force board in frame (1), be used for carrying out fixture (3) of centre gripping to the inferior gram force board after the heat softening, be used for forming inferior gram force bathtub forming die (4), air exhaust device (5) that are linked together with forming die (4) inside die cavity, characterized by: the heating box (2) is provided with two openings (6), the two openings (6) are distributed on two opposite side walls of the heating box (2), a sliding rail (7) is arranged between the two openings (6), two ends of the sliding rail (7) are respectively exposed out of the two openings (6), the sliding rail (7) is connected with a mounting seat (8) in a sliding mode, the clamping mechanisms (3) are arranged on the mounting seat (8), the number of the clamping mechanisms (3) is at least two, the clamping mechanisms are uniformly distributed along the sliding direction of the mounting seat (8), and the number of the forming molds (4) is the same as that of the clamping mechanisms (3) and are symmetrically distributed on two sides of the heating box (2);

placing grooves (13) for placing a forming die (4) are symmetrically distributed on two sides of the rack (1), a lifting mechanism (14) which is abutted against the forming die (4) is arranged at the bottom of the placing groove (13), and the lifting mechanism (14) comprises a lifting oil cylinder (141) arranged at the bottom of the placing groove (13) and a placing plate (142) which is arranged on a piston rod of the lifting oil cylinder (141) and is connected with the placing groove (13) in a sliding manner;

the bottom of the forming die (4) is provided with an air cavity (15), the inner wall of the forming die (4) is provided with a plurality of fine holes (16) communicated with the air cavity (15), and the air extractor (5) comprises an air extracting element (17) arranged on the rack (1) and an air inlet pipe (18) used for connecting the air cavity (15) and the air extracting element (17);

the air extracting element (17) is provided with an air inlet (19) and an air outlet (20), the air inlet (19) is connected with an air inlet pipe (18), the air outlet (20) is connected with an air bag (21), the air bag (21) is positioned in the placing groove (13), the air bag (21) is positioned between the placing plate (142) and the lifting oil cylinder (141), an air outlet pipe (22) is arranged on the air bag (21), and a switch device (23) for controlling the opening and closing of the air outlet pipe (22) is arranged on the air outlet pipe (22);

the switch device (23) comprises a plurality of elastic shifting pieces (231) arranged in the air outlet pipe (22), two adjacent elastic shifting pieces (231) are mutually abutted, and the end part of the elastic shifting piece (231) far away from the inner pipe wall of the air outlet pipe (22) extends towards one side of the air cavity (15).

2. The system of claim 1, wherein the system comprises: the terminal surface that heating cabinet (2) were provided with opening (6) is gone up to slide and is connected with sunshade (9), sunshade (9) are used for hiding opening (6), be provided with on heating cabinet (2) lateral wall and be used for driving sunshade (9) and carry out the driving source (10) that slides.

3. The system of claim 1, wherein the system comprises: fixedly connected with extends frame (11) on heating cabinet (2) have the lateral wall of opening (6), it is located forming die (4) top to extend frame (11), be provided with fan (12) on extending frame (11), fan (12) are used for blowing to forming die (4) one side.

4. The system of claim 1, wherein the system comprises: fixture (3) including setting up mounting bracket (31) that are used for placing the ya keli board on mount pad (8), articulated seat (32) of a plurality of evenly distributed on mounting bracket (31), articulated pole (33) on articulated seat (32), set up on articulated pole (33) be used for with ya keli board contact support touch piece (34), set up be used for driving articulated pole (33) on mounting bracket (31) and carry out pivoted drive element (35).