Film forming mold based on PVB (polyvinyl butyral) film process

Abstract

The utility model discloses a film discharge forming die based on a PVB (Polyvinyl Butyral) film process. The film discharge forming die comprises a rack, a first roller, a second roller and a die head which is arranged above the first roller and the second roller and works with the first roller and the second roller are arranged on the rack; wherein the first roller and the rack are fixed, the second roller moves relative to the rack, and a gap formed by the second roller moving relative to the first roller is used for allowing a PVB film in a molten state to pass through; and the transmission adjusting assembly is arranged on the rack. According to the transmission adjusting assembly, the gap between the first roller and the second roller which are in a butt-clamping mode is finely adjusted, so that the thickness of a PVB film which passes through the gap and is in a molten state is adjusted, the cooling and embossing processes are completed at the same time, the working efficiency is high, and meanwhile the transmission adjusting assembly has the structural characteristics, so that the production efficiency is improved. And fine adjustment of the thickness of the PVB film is further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVB film production technical field, concretely is the out film forming die based on PVB film craft. BACKGROUND

[0002] PVB interlayer film is a translucent film, and the PVB interlayer film is mainly used for laminated glass, is inserted between two pieces of glass a layer of PVB film, is special glass through high pressure compound, warm up.PVB laminated glass has safety, heat preservation, noise control and isolation ultraviolet light and other functions, is widely used in building, automobile, photovoltaic industry, traditional PVB film control relies on mold and thickness gauge to control the thickness of diaphragm, common process is, thickness detection feedback to the mold→ the mold adjusts the gap between the die gap through electric heating rod→ the thickness gauge re-detects after die head adjustment and feeds back to the mold, the above steps are repeatedly executed until the film thickness meets the tolerance, since the thickness gauge feedback and mold adjustment need a lot of time, the work efficiency is low, and the control precision of mold and thickness gauge is very high, therefore, the out film forming die based on PVB film craft is presented. UTILITY MODEL CONTENTS

[0003] The utility model discloses a purpose at based on PVB film craft's out film forming die, the transmission adjusting assembly of the device sets, to make the first roller and second roller of the form of pair of clamps carry out the fine adjustment of gap, to guarantee the thickness adjustment of the PVB film of the form of melting state passing between them, and complete cooling and embossing process simultaneously, the work efficiency is high, and the structural characteristics of transmission adjusting assembly itself further guarantee the fine adjustment of PVB film thickness.

[0004] To realize the above-mentioned purpose, the utility model provides the following technical scheme: the out film forming die based on PVB film craft, including: the out film forming die based on PVB film craft, including: frame;The first roller and second roller are arranged on the frame, and the die head is arranged above the first roller and second roller and works with them, wherein the die head is used to generate the PVB film of melting state, and the first roller and second roller are oppositely arranged in the form of pair of clamps to be used for the cooling embossing forming of PVB film;Wherein, the first roller is fixed with the frame, the second roller moves relative to the frame, and the gap formed by the movement of the second roller relative to the first roller is used for the PVB film of melting state to pass;Further including the transmission adjusting assembly arranged on the frame, for realizing the fine displacement adjustment of second roller.

[0005] Preferably, the second roller comprises two second grooves opened on the top of the frame, and a second cooling embossing roller shaft arranged between the two second grooves; the second cooling embossing roller shaft comprises two second bearing seats arranged in the two second grooves respectively, and a cooling roller rotatably connected between the two second bearing seats; the cooling roller is internally provided with a spiral cooling flow channel fixedly connected with the second bearing seats, and an embossing pattern is engraved on the outer wall of the cooling roller; a second rotary joint and a second servo motor are arranged on the opposite sides of the two second bearing seats; a water inlet flow channel and a water outlet flow channel where the second rotary joint is located are respectively communicated with the water inlets and outlets of the spiral cooling flow channel; and the output shaft of the second servo motor penetrates through the second bearing seat and is connected with the cooling roller, and is used as a driving structure for rotating the cooling roller.

[0006] Preferably, a slide rail is arranged at the bottom of each second groove; a sliding block is slidingly arranged on the slide rail, and the sliding block is connected with the corresponding second bearing seat.

[0007] Preferably, the transmission adjusting assembly comprises two mounting plates fixed on the two sides of one of the second bearing seats respectively, a transmission block and a transmission member arranged on the opposite sides of the two mounting plates, a wedge block longitudinally slidingly arranged in a limiting frame fixed on one side of the second groove close to the mounting plate, and a connecting block arranged on the frame; a manually adjustable screw rod arranged on the connecting block is fixed at the top of the wedge block at the telescopic end, and is used as a driving source for longitudinally moving the wedge block; a hydraulic cylinder is arranged on the other side of the second groove close to the mounting plate, and a connecting piece arranged at the telescopic end of the hydraulic cylinder is rotatably connected with the transmission member through a pin shaft.

[0008] Preferably, the first roller comprises two first grooves opened on the top of the frame, and a first cooling embossing roller shaft; the first cooling embossing roller shaft has the same structure as the second cooling embossing roller shaft.

[0009] Preferably, a third roller is arranged on the side of the frame close to the second roller, and the third roller is arranged obliquely above the second roller; the third roller comprises a first traction roller assembly and a second traction roller assembly arranged in a clamping manner from top to bottom; the first traction roller assembly comprises two first bearing seats and a first traction roller rotatably connected between the two first bearing seats; the first traction roller is internally provided with a spiral cooling pipe; the second rotary joint arranged on the first bearing seat close to the end of the U-shaped cooling pipe comprises a main pipe body, and a water inlet pipe and a water outlet pipe arranged in the main pipe body; one end of the water inlet pipe and the water outlet pipe is respectively communicated with the water inlets and outlets of the U-shaped cooling pipe, and the other end is communicated with an external pipeline.

[0010] Preferably, the second traction roller comprises a mounting frame fixed on the top of the two first bearing seats respectively, and a belt bearing arranged in the mounting frame, and a second traction roller cylinder is rotatably arranged between the two belt bearings, and a gap formed between the second traction roller cylinder and the first traction roller cylinder is used for traction of the PVB film; and the utility model also comprises a pneumatic cylinder arranged on the mounting frame, and the pneumatic cylinder is arranged on the mounting frame.

[0011] Preferably, the frame comprises two rails, two base plates, lifting assemblies arranged around the two base plates and used for adjusting the distance between the first roller and the second roller relative to the die, four wheel assemblies arranged at the bottom of the lifting assemblies, each wheel assembly comprising an inverted U-shaped frame and a wheel body arranged in the inverted U-shaped frame, two wheel bodies arranged below the same base plate are arranged on the rails, a transmission shaft arranged between the two base plates and connected with the wheel bodies of the two wheel assemblies arranged on the same side of the same base plate, and a driving motor arranged on the inverted U-shaped frame connected with the transmission shaft, and the output shaft of the driving motor penetrates through the inverted U-shaped frame and is fixedly connected with the transmission shaft.

[0012] Preferably, the lifting assembly comprises four elevators arranged at the top of the inverted U-shaped frames of the four wheel assemblies and used for driving the lifting of the two base plates, a pull rod arranged between the two base plates, a reduction motor arranged on the pull rod and having a driving rod connected with the output end of the reduction motor, a commutator arranged on each base plate, the input ends of the two commutators being connected with the two ends of the driving rod, the output ends of the two commutators being respectively provided with universal joint couplings, and each universal joint coupling being connected with the two elevators arranged on the same base plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a die used for the working of the first roller and the second roller, which is arranged on the first roller and the second roller and falls the PVB film in a molten state generated on the first roller and the second roller, then the PVB film is cooled and embossed through the gap between the first roller and the second roller, the first roller and the second roller in the form of a pair of clamps can finely adjust the gap, thereby ensuring the thickness adjustment of the PVB film in a molten state passing between the first roller and the second roller, and simultaneously completing the cooling and embossing process, and the working efficiency is high, and the adjustment precision is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0016] Figure 2The second perspective three-dimensional structure schematic view of the utility model;

[0017] Figure 3 The third perspective three-dimensional structure schematic view of the utility model;

[0018] Figure 4 The fourth perspective three-dimensional structure schematic view of the utility model;

[0019] Figure 5 The side view structure schematic view of the utility model;

[0020] Figure 6 The enlarged structure schematic view of the transmission adjusting assembly.

[0021] In the figure: 1, track; 2, base plate; 211, transmission shaft; 212, wheel; 213, drive motor; 3, first roller; 4, second roller; 401, cooling roller; 402, second bearing seat; 403, second rotary joint; 404, second servo motor; 5, first traction roller assembly; 501, first traction roller; 502, first bearing seat; 503, first connecting piece; 504, first servo motor; 6, second traction roller assembly; 601, mounting frame; 602, bearing with seat; 603, air cylinder; 604, second traction roller; 7, transmission adjusting assembly; 701, sliding rail; 702, sliding block; 703, mounting plate; 704, transmission block; 705, connecting block; 706, hand adjusting screw; 707, limiting frame; 708, wedge block; 709, hydraulic cylinder; 710, connecting piece; 711, transmission piece; 8, lifting assembly; 801, pull rod; 802, speed reducer motor; 803, drive rod; 804, commutator; 805, universal joint coupling; 806, elevator; 901, first groove body; 902, second groove body; 10, die head. DETAILED DESCRIPTION

[0022] In the description of the utility model, it needs to understand that the orientation or position relation indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it can not be understood as the limitation to the utility model. The embodiments of the utility model are introduced in detail below in combination with the drawings. Embodiment 1

[0023] Please refer to Figures 1 to 6The utility model discloses a technical scheme of preferred provides: based on the out film forming die of PVB film process, include, frame, the first roll 3 with second roll 4 are set up on the frame, and the die head is set on the first roll 3 with second roll 4 and with its work, wherein, the die head is used to produce the PVB film of melting state, and the first roll 3 with second roll 4 are oppositely arranged in the way of clamping to be used for the cooling embossing forming of PVB film, wherein, the first roll 3 is fixed with the frame, and the second roll 4 moves relative to the frame, and the gap formed by the movement of the second roll 4 relative to the first roll 3 is used for the PVB film in melting state to pass, still including the transmission adjusting assembly 7 set on the frame, for realizing the fine displacement adjustment of second roll 4.

[0024] In the embodiment, combined with Figure 1 、 3 , the die head working with the first roll 3 and the second roll 4 is placed on the first roll 3 and the second roll 4 and the PVB film in melting state generated is dropped to the first roll 3 and the second roll 4, then the PVB film passes through the gap between the first roll 3 and the second roll 4 to carry out the cooling and embossing process, and since the market demand for the thickness of the PVB film is different, the existing PVB film production process needs to produce PVB films with different thicknesses, but the existing PVB film production process has the disadvantages of insufficient precision adjustment and low working efficiency for the adjustment of the thickness of the PVB film.

[0025] Therefore, the transmission adjusting assembly 7 is arranged to finely adjust the gap of the first roll 3 and the second roll 4 in the form of clamping, so as to ensure the thickness adjustment of the PVB film in melting state passing therebetween, and at the same time complete the cooling and embossing process, and the structural characteristics of the transmission adjusting assembly 7 further ensure the fine adjustment of the thickness of the PVB film.

[0026] Further, the second roll 4 includes two second groove bodies 902 opened at the top of the frame, and a second cooling embossing roller shaft arranged between the two second groove bodies 902; wherein the second cooling embossing roller shaft includes two second bearing seats 402, the two second bearing seats 402 are respectively arranged inside the two second groove bodies 902; and a cooling roller 401 rotatably connected between the two second bearing seats 402, wherein the cooling roller 401 is provided with a spiral cooling flow channel fixedly connected with the second bearing seat 402, and the outer wall is engraved with an embossing pattern; and a second rotary joint 403 and a second servo motor 404 are arranged at the opposite sides of the two second bearing seats 402, wherein the water inlet flow channel and the water outlet flow channel of the second rotary joint 403 are respectively communicated with the water inlet and outlet of the spiral cooling flow channel, and the output shaft of the second servo motor 404 passes through the second bearing seat 402 and is connected with the cooling roller 401, which is used as a driving structure for rotating the cooling roller 401.

[0027] The cooling roller 401 is rotatably connected between the two second bearing seats 402, and a spiral cooling flow channel is arranged in the cooling roller 401 and fixed to the two second bearing seats 402. The two ends of the spiral cooling flow channel are respectively communicated with the water inlet flow channel and the water outlet flow channel where the second rotary joint 403 is arranged, so as to realize the circulation process of the cooling liquid in the spiral cooling flow channel. The cooling liquid is preferably cold water, and the cold water is sprayed on the surface of the second cooling roller 4 through the water inlet flow channel and the water outlet flow channel. Figure 1 、 6

[0028] Further, the slide rail 701 is arranged at the bottom of each second groove body 902, the slide block 702 is slidingly arranged on the slide rail 701, and the slide block 702 is connected with the corresponding second bearing seat 402. In combination with Figure 6 , the design can improve the stability of the horizontal displacement of the second cooling roller shaft driven by the transmission adjusting assembly 7.

[0029] Further, the transmission adjusting assembly 7 comprises two mounting plates 703, the two mounting plates 703 are respectively fixed on the two sides of one of the second bearing seats 402; the transmission block 704 and the transmission member 711 are arranged on the opposite sides of the two mounting plates 703; the second groove body 902 close to the mounting plate 703 is provided with the wedge block 708 which is longitudinally slidingly arranged in the limiting frame 707 fixed on one side of the second groove body 902, and the wedge block 708 is in abutment with the transmission block 704 on the inclined surface; the connecting block 705 is arranged on the rack, and the manual adjusting screw 706 is arranged on the connecting block 705, the telescopic end of the manual adjusting screw 706 is fixed with the top of the wedge block 708, and the manual adjusting screw 706 is used as the driving source for the longitudinal movement of the wedge block 708; the hydraulic cylinder 709 is arranged on the other side of the second groove body 902 close to the mounting plate 703.

[0030] Here, in combination with Figure 6 , the transmission block 704 and the transmission member 711 are respectively fixed on the two sides of one of the second bearing seats 402, the limiting frame 707 is fixed on the side wall of the second groove body 902 close to the transmission block 704, the wedge block 708 is arranged in the limiting frame 707 and in transmission connection with the transmission block 704, and when the wedge block 708 moves longitudinally, the wedge block 708 abuts against the transmission block 704 to move the second bearing seat 402 on this side, that is, to move the second cooling roller shaft where the second roller 4 is arranged, and the hydraulic cylinder 709 is arranged on the side wall of the second groove body 902 close to the transmission member 711, and the connecting member 710 on the hydraulic cylinder 709 is in rotary connection with the transmission member 711 through the pin shaft. On the one hand, the design can keep the stability of the second cooling roller shaft after the horizontal displacement; on the other hand, the rotary connection between the connecting member 710 and the transmission member 711 through the pin shaft can eliminate the slight deviation during the processing and installation, and overcome the problem that the fixed connection easily causes the hydraulic cylinder to be damaged.

[0031] ​It is worth mentioning that when the hydraulic cylinder 709 is retracted, the transmission block 704 where the second cooling embossing roller shaft is located is disengaged from the wedge block 708, at this time the longitudinal position of the wedge block 708 can be adjusted, and then the hydraulic cylinder 709 is elongated to push the transmission block 704 and the wedge block 708 to abut, thereby completing the gap adjustment of the second cooling embossing roller shaft and the first cooling embossing roller shaft where the first roller 3 is located.

[0032] Further, the first roller 3 comprises two first grooves 901 opened at the top of the rack, and the first cooling embossing roller shaft, wherein the first cooling embossing roller shaft and the second cooling embossing roller shaft are structurally identical, combined with Figure 1 Embodiment 2

[0033] As another embodiment of the utility model, the rack is further provided with a third roller near the side of the second roller 4, and the third roller is arranged obliquely above the second roller 4; the third roller comprises a first traction roller assembly 5 and a second traction roller assembly 6 assembled in a clamping manner from top to bottom, wherein the first traction roller assembly 5 comprises two first bearing seats 502 and a first traction roller cylinder 501 rotationally connected between the two first bearing seats 502, and the first traction roller cylinder 501 is provided with a spiral cooling pipe; the first bearing seat 502 near the end of the U-shaped cooling pipe is provided with a second rotary joint 403 comprising a main pipe body, a water inlet pipe and a water outlet pipe arranged in the main pipe body, and the water inlet pipe and the water outlet pipe are in communication with the water inlet and outlet of the U-shaped cooling pipe at one end and in communication with an external pipeline at the other end; further, the second traction roller comprises a mounting frame 601 fixed on the top of the two first bearing seats 502 and a bearing with seat 602 arranged in each mounting frame 601, and a second traction roller cylinder 604 is rotationally arranged between the two bearing with seat 602, and the gap between the second traction roller cylinder 604 and the first traction roller cylinder 5 is used for traction of the PVB film; further comprising a pneumatic cylinder 603 arranged on each mounting frame 601, and the pneumatic cylinder 603 is arranged in a telescopic manner and fixed on the top of the corresponding bearing with seat 602, which is used as a driving source for the longitudinal sliding of the corresponding bearing with seat 602.

[0034] Here, the third roller comprises a first traction roller assembly 5 and a second traction roller assembly 6 assembled in a clamping manner from top to bottom, and it is worth mentioning that the structure of the first traction roller assembly 5 is similar to that of the first cooling embossing roller shaft and the second cooling embossing roller shaft where the first roller and the second roller are located, and can be used for cooling, and in combination with the second traction roller assembly 6, it can be used for traction, so as to traction the PVB film to the next station, improve the cooling effect of the PVB film, and improve the working efficiency of the device. Embodiment 3

[0035] ​As other embodiments of the utility model, the rack includes two tracks 1, and two base plates 2, lifting assemblies 8 arranged around the two base plates 2 are used to adjust the distance between the first roller 3 and the second roller 4 relative to the die, and four wheel assemblies 212 are arranged at the bottom of the lifting assemblies 8, each wheel assembly 212 includes an inverted character-shaped frame and a wheel body arranged in the inverted character-shaped frame, two wheel bodies arranged below the same base plate 2 are adapted to the track 1, further comprising a transmission shaft 211 mounted between the two base plates 2, and the transmission shaft 211 is connected to the wheel bodies of the two wheel assemblies 212 arranged on the same side of the same base plate 2 at both ends, and a driving motor 213 is arranged on one of the inverted character-shaped frames connected to the transmission shaft 211, and the output shaft of the driving motor 213 passes through the inverted character-shaped frame and is fixedly connected to the transmission shaft 211, further, the lifting assembly 8 includes four elevators 806, the four elevators 806 are arranged at the top of the inverted character-shaped frames of the four wheel assemblies 212 respectively, and are used to drive the lifting of the two base plates 2, and a pull rod 801 is arranged between the two base plates 2, and a speed reducer 802 is arranged on the pull rod 801, and the output end of the speed reducer 802 is connected to a driving rod 803, further comprising a commutator 804 arranged on each base plate 2, and the input ends of the two commutators 804 are connected to the two ends of the driving rod 803, and the output ends of the two commutators 804 are respectively provided with universal joint couplings 805, and each universal joint coupling 805 is connected to the two elevators 806 arranged on the same side of the base plate 2.

[0036] In combination Figure 2 、 4 , as shown in FIG. 5, the two base plates 2 are provided with lifting assemblies 8 around the two base plates 2 to realize the height adjustment of the two base plates 2 and the structures on the base plates 2, and then the distance between the first roller 3, the second roller 4 and the die is adjusted to further meet the discharge adjustment requirements of the PVB film, and two groups of wheel assemblies 212 are arranged at the bottom of the lifting assemblies 8 corresponding to the two tracks 1, each group of wheel assemblies 212 includes two wheel assemblies 212, and the two wheel assemblies 212 arranged on the same side of the two groups of wheel assemblies 212 are connected through the transmission shaft 211 and driven through the driving motor 213 to meet the movement requirements of the device.

[0037] In the present application, the lifting assembly 8 is preferably a worm gear elevator, which is a mature existing technology, and the working principle is that the motor or manual driving worm rotates, the commutator 804 in the present application can drive the worm through the power provided by the driving motor 213, and then the worm drives the worm gear to rotate at a reduced speed, the inner cavity of the worm gear is processed as internal threads, and the driving lead screw moves up and down to realize the lifting process of the base plate 2 and the structures on the base plate 2, and the device realizes height adjustment with the four wheel assemblies 212 as fulcrums.

[0038] It is worth mentioning that the universal joint coupling 805 and the commutator 804 are both mature existing technologies, and their structures will not be described in detail.

[0039] In the utility model, unless another explicit provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, the mode of detachable installation has many, for example, can be through the way of inserting and buckling cooperation, again for example, through the way of bolt connection and so on.

[0040] The above embodiment is only used for further illustrating the utility model, and cannot be understood as limiting the protection scope of the utility model. The skilled in the art can make some non-essential improvements and adjustments to the utility model according to the content of the above utility model, which falls within the protection scope of the utility model.

Claims

1. A film forming die based on the PVB film process, characterized in that, The utility model relates to a PVB film forming die based on PVB film process, which comprises a rack, a first roller (3) and a second roller (4) arranged on the rack, and a die arranged above the first roller (3) and the second roller (4) and working with the first roller (3) and the second roller (4), wherein the die is used for generating a PVB film in a molten state, the first roller (3) and the second roller (4) are oppositely arranged in a clamping manner for the cooling embossing forming of the PVB film, the first roller (3) is fixed to the rack, the second roller (4) moves relative to the rack, and a gap formed by the movement of the second roller (4) relative to the first roller (3) is used for the PVB film in the molten state to pass through, and a transmission adjusting assembly (7) arranged on the rack is further included for realizing the fine displacement adjustment of the second roller (4).

2. The PVB film forming die based on PVB film process according to claim 1, wherein the second roller (4) comprises two second groove bodies (902) opened at the top of the rack, and a second cooling embossing roller shaft arranged between the two second groove bodies (902), wherein the second cooling embossing roller shaft comprises two second bearing seats (402) arranged in the two second groove bodies (902) respectively, a cooling roller cylinder (401) rotatably connected between the two second bearing seats (402), wherein the cooling roller cylinder (401) is internally provided with a spiral cooling flow channel fixedly connected with the second bearing seat (402), and the outer wall of the cooling roller cylinder (401) is engraved with an embossing pattern, a second rotary joint (403) and a second servo motor (404) arranged at the opposite sides of the two second bearing seats (402), wherein the water inlet flow channel and the water outlet flow channel of the second rotary joint (403) are respectively communicated with the water inlet and outlet of the spiral cooling flow channel, and the output shaft of the second servo motor (404) passes through the second bearing seat (402) and is connected with the cooling roller cylinder (401) to serve as a driving structure for the rotation of the cooling roller cylinder (401).

3. The PVB film forming die based on PVB film process according to claim 2, wherein a slide rail (701) is arranged at the bottom of each second groove body (902), and a sliding block (702) is slidably arranged on the slide rail (701) and connected with the corresponding second bearing seat (402).

4. The PVB film forming die based on PVB film process according to claim 1, wherein the transmission adjusting assembly (7) comprises two mounting plates (703) fixed at the two sides of one of the second bearing seats (402) respectively, a transmission block (704) and a transmission member (711) arranged at the opposite sides of the two mounting plates (703), a limiting frame (707) fixed at one side of the second groove body (902) close to the mounting plate (703), and a wedge block (708) longitudinally slidably arranged in the limiting frame (707), wherein the inclined surface of the wedge block (708) is in abutment with the transmission block (704). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Further comprising a connecting block (705) arranged on the frame, a manual adjusting screw (706) arranged on the connecting block (705), and a top of the adjusting screw (706) fixed with the wedge block (708) and used as a driving source for longitudinal movement of the wedge block (708); A second groove (902) close to the mounting plate (703) is arranged on the other side of the second groove (902) and provided with a hydraulic cylinder (709), and a connecting piece (710) arranged at an extension end of the hydraulic cylinder (709) is rotatably connected with a transmission piece (711) through a pin shaft.

5. The PVB film process-based film forming die according to claim 1, wherein the first roller (3) comprises two first grooves (901) arranged on the top of the frame and a first cooling embossing roller shaft, and the first cooling embossing roller shaft is identical in structure with the second cooling embossing roller shaft.

6. The PVB film process-based film forming die according to claim 2, wherein the frame further comprises a third roller arranged on a side close to the second roller (4) and arranged obliquely above the second roller (4); The third roller comprises a first traction roller assembly (5) and a second traction roller assembly (6) arranged in a clamping manner, the first traction roller assembly (5) comprises two first bearing seats (502) and a first traction roller cylinder (501) rotatably connected between the two first bearing seats (502), and the first traction roller cylinder (501) is provided with a spiral cooling pipe; The first bearing seat (502) close to the end of the U-shaped cooling pipe is provided with a second rotary joint (403) comprising a main pipe body and a water inlet pipe and a water outlet pipe arranged in the main pipe body, and one end of the water inlet pipe and the water outlet pipe is respectively communicated with the water inlet and outlet of the U-shaped cooling pipe, and the other end is communicated with an external pipeline.

7. The PVB film process-based film forming die according to claim 6, wherein the second traction roller comprises a mounting frame (601) fixed on the top of the two first bearing seats (502), and a bearing (602) arranged in each mounting frame (601), and a second traction roller cylinder (604) rotatably arranged between the two bearings (602), and a gap formed between the second traction roller cylinder (604) and the first traction roller cylinder (501) is used for traction of the PVB film; Further comprising a gas cylinder (603) arranged on each mounting frame (601), and an extension end of the gas cylinder (603) downwardly fixed with the top of the corresponding bearing (602) and used as a driving source for longitudinal sliding of the corresponding bearing (602).

8. The PVB film process-based film forming die according to claim 1, wherein the frame comprises two tracks (1); and two base plates (2), and a lifting assembly (8) arranged around the two base plates (2) and used for adjusting the distance between the first roller (3) and the second roller (4) relative to the die. ​ ​ ​ ​ And four wheel assemblies (212) are arranged at the bottom of the lifting assembly (8), each of the wheel assemblies (212) comprises an inverted trapezoidal frame and a wheel body arranged in the inverted trapezoidal frame, two wheel bodies arranged below the same base plate (2) are adapted to be arranged on the track (1); A transmission shaft (211) is arranged between the two base plates (2), and two wheel bodies of two wheel assemblies (212) arranged on the same side of the same base plate (2) are connected to the transmission shaft (211); A driving motor (213) is arranged on one of the inverted trapezoidal frames connected with the transmission shaft (211), and an output shaft of the driving motor (213) penetrates the inverted trapezoidal frame and is fixedly connected with the transmission shaft (211).

9. The film forming mold based on the PVB film process according to claim 8, characterized in that: The lifting assembly (8) comprises four elevators (806), and the four elevators (806) are arranged at the top of the inverted trapezoidal frames of the four wheel assemblies (212) respectively, and are used to drive the lifting of the two base plates (2); A pull rod (801) is arranged between the two base plates (2), and a speed reducer (802) is arranged on the pull rod (801), and a driving rod (803) is connected to the output end of the speed reducer (802); A commutator (804) is arranged on each base plate (2), the input ends of the two commutators (804) are connected with the two ends of the driving rod (803), the output ends of the two commutators (804) are respectively provided with universal joint couplings (805), and each universal joint coupling (805) is connected with two elevators (806) arranged on the same side of the base plate (2).

Images