阅读说明：本技术 一种铸片机的蝴蝶型螺旋流道激冷辊 (Butterfly type spiral runner chilling roller of sheet casting machine ) 是由 宋超 于 2021-10-12 设计创作，主要内容包括：本发明涉及双向拉伸光学薄膜生产技术领域,具体为一种铸片机的蝴蝶型螺旋流道激冷辊,包括筒身和封口端盖,所述封口端盖的数量为两个,两个所述封口端盖固定在筒身的两端,所述筒身的内部设置有中心支撑座,所述中心支撑座包括座身,所述座身的内壁上均匀开设有过液槽,所述座身的两侧均匀开设有固定槽,所述座身的两侧均匀分布有支撑板,所述支撑板包括板身,所述板身的一端固定有第一卡块,且所述板身的另一端固定有第二卡块,所述第一卡块与固定槽卡合,所述第二卡块的一端抵触有固定环,且所述固定环与筒身焊接固定。本发明具有拼接内撑骨架,保证过宽辊面不弯曲变形,降低制造难度和制造成本。(The invention relates to the technical field of biaxial stretching optical film production, in particular to a butterfly-shaped spiral flow channel chilling roller of a sheet casting machine, which comprises a barrel body and two sealing end covers, wherein the two sealing end covers are fixed at two ends of the barrel body, a central supporting seat is arranged inside the barrel body, the central supporting seat comprises a seat body, liquid passing grooves are uniformly formed in the inner wall of the seat body, fixing grooves are uniformly formed in two sides of the seat body, supporting plates are uniformly distributed on two sides of the seat body, each supporting plate comprises a plate body, a first clamping block is fixed at one end of each plate body, a second clamping block is fixed at the other end of each plate body, the first clamping blocks are clamped with the fixing grooves, a fixing ring is abutted against one end of each second clamping block, and the fixing rings are welded and fixed with the barrel body. The invention has a splicing internal support framework, ensures that the over-wide roll surface is not bent and deformed, and reduces the manufacturing difficulty and the manufacturing cost.)

1. The utility model provides a butterfly type spiral flow path chill roll of sheet casting machine, includes stack shell (1) and seals end cover (2), the quantity that seals end cover (2) is two, two seal end cover (2) and fix the both ends at stack shell (1), its characterized in that: the inner part of the barrel body (1) is provided with a central supporting seat (5), the central supporting seat (5) comprises a seat body (51), liquid passing grooves (52) are uniformly formed in the inner wall of the seat body (51), fixing grooves (53) are uniformly formed in two sides of the seat body (51), supporting plates (6) are uniformly distributed on two sides of the seat body (51), each supporting plate (6) comprises a plate body (61), one end of each plate body (61) is fixedly provided with a first clamping block (62), the other end of each plate body (61) is fixedly provided with a second clamping block (63), the first clamping blocks (62) are clamped with the fixing grooves (53), one end of each second clamping block (63) is abutted against a fixing ring (9), the fixing rings (9) are fixedly welded with the barrel body (1), a sealing seat (3) is fixedly arranged in the sealing end cover (2), and a liquid inlet pipe (4) is arranged in the sealing seat (3) in a penetrating manner, one end of the liquid inlet pipe (4) close to the central supporting seat (5) is provided with a shunt pipe fitting (7) and a liquid discharge pipe (8).

2. The butterfly-type spiral runner chill roll of a sheet casting machine according to claim 1, characterized in that: the quantity of seal receptacle (3) and solid fixed ring (9) all is two, two seal receptacle (3) and solid fixed ring (9) set up respectively in the both ends of stack shell (1), just seal receptacle (3) are through bolt and solid fixed ring (9) fixed connection, gu one side that solid fixed ring (9) is close to backup pad (6) is evenly seted up flutedly.

3. The butterfly-type spiral runner chill roll of a sheet casting machine according to claim 2, characterized in that: the width of the plate body (61) is gradually increased from the first clamping block (62) to the second clamping block (63), the second clamping block (63) is clamped with the groove, through holes (64) are uniformly formed in the outer surface of the plate body (61), and the inner cavity of each through hole (64) is U-shaped.

4. The butterfly-type spiral runner chill roll of a sheet casting machine according to claim 1, characterized in that: the shunt pipe fitting (7) comprises a straight bobbin (71), one end of the straight bobbin (71) is fixed with a first connecting seat (72), a second connecting seat (73) is fixed at the other end of the straight bobbin (71), the upper end and the lower end of the first connecting seat (72) are arc-shaped, the left side and the right side of the first connecting seat (72) are flat, a through groove is arranged at the center of the first connecting seat (72), threads are arranged on the inner wall of the through groove, the liquid inlet pipe (4) passes through the through groove and penetrates through the straight bobbin (71), the liquid inlet pipe (4) is connected with the straight bobbin (71) through screw threads, a U-shaped groove is arranged at one end of the liquid inlet pipe (4) which is abutted against the inner wall of the straight bobbin (71), the inner cavity of the liquid inlet pipe (4) is communicated with the straight bobbin (71) through a U-shaped groove, the shapes of the upper end, the lower end, the left side and the right side of the second connecting seat (73) are the same as those of the first connecting seat (72).

5. The butterfly-type spiral runner chill roll for a sheet casting machine as claimed in claim 4, wherein: the liquid discharge pipe (8) comprises a first pipe body (81) and a second pipe body (82), the first connecting seat (72) and the second connecting seat (73) are in interference fit with the first pipe body (81) and the second pipe body (82) respectively, the first pipe body (81) and the second pipe body (82) are in interference fit with the seat body (51), the first pipe body (81) is connected with the second pipe body (82) in a butting mode, the joint position of the first pipe body (81) and the second pipe body (82) is located in the center of the straight bobbin (71), the upper end and the lower end of the straight bobbin (71) penetrate through the liquid discharge pipe (8), one end, far away from the straight bobbin (71), of the first pipe body (81) is abutted to the first sealing seat (3), one end, far away from the straight bobbin (71), of the first pipe body (81) is provided with a first liquid passing hole, and one end, far away from the straight bobbin (71), of the second pipe body (82) penetrates through the second sealing seat (3), and a second liquid passing hole is formed in one end, far away from the straight bobbin (71), of the second pipe body (82), and the second liquid passing hole is located inside the bobbin body (1).

6. The butterfly-type spiral runner chill roll of a sheet casting machine according to claim 5, characterized in that: spiral flow deflectors (10) are uniformly fixed on the outer surfaces of the first pipe body (81) and the second pipe body (82).

7. The butterfly-type spiral runner chill roll of a sheet casting machine according to claim 5, characterized in that: the butt joint of the first pipe body (81) and the second pipe body (82) is coated with a sealant.

8. The butterfly-type spiral runner chill roll of a sheet casting machine of claim 7, wherein: the butt joint of the first pipe body (81) and the second pipe body (82) is embedded with a sealing strip.

Technical Field

The invention relates to the technical field of production of biaxially oriented optical films, in particular to a butterfly-shaped spiral runner chilling roller of a sheet casting machine.

Background

The cast sheet unit of the biaxial stretching production line is the heaviest of the whole equipment, the chill roll is the core in the core of the cast sheet unit, and the cooling performance, the roll surface temperature difference, the temperature distribution, the coating treatment and the processing precision of the chill roll represent the peak standard of the design and manufacture of the current heat exchange roller.

The PVA optical film is one of important component materials of a liquid crystal display, and the ultra-long width casting and large cooling stroke characteristics of the PVA optical film provide new challenges for the design and manufacture of a heat exchange roller, and the maximum specifications are 3800mm of the roller surface diameter and 4200mm of the roller surface width at present.

The manufacturing difficulty is increased due to the ultra-long width of the roller surface, the problem of middle bending is easily caused when the traditional chill roller reaches a certain width, the product quality is influenced, the chill roller is not bent, the quality of materials needs to be improved, and the increased manufacturing difficulty is increased.

Therefore, it is desirable to design a butterfly-type spiral runner chill roll for a sheet casting machine to solve the above problems.

Disclosure of Invention

The invention aims to provide a butterfly-shaped spiral runner chilling roller of a sheet casting machine, which aims to solve the problems that the chilling roller disclosed in the background art is easy to bend at the over-wide center and the manufacturing difficulty is increased.

In order to achieve the purpose, the invention provides the following technical scheme: a butterfly-shaped spiral runner chilling roll of a sheet casting machine comprises a cylinder body and two sealing end covers, wherein the two sealing end covers are fixed at two ends of the cylinder body, a central supporting seat is arranged inside the cylinder body and comprises a seat body, liquid passing grooves are uniformly formed in the inner wall of the seat body, fixing grooves are uniformly formed in two sides of the seat body, supporting plates are uniformly distributed on two sides of the seat body, each supporting plate comprises a plate body, a first clamping block is fixed at one end of each plate body, and the other end of the plate body is fixed with a second clamping block, the first clamping block is clamped with the fixed groove, one end of the second clamping block is abutted against the fixed ring, and the fixing ring is welded and fixed with the cylinder body, a sealing seat is fixed in the sealing end cover, a liquid inlet pipe is arranged in the sealing seat in a penetrating manner, and a shunt pipe fitting and a liquid discharge pipe are arranged at one end, close to the central supporting seat, of the liquid inlet pipe.

Preferably, the quantity of seal receptacle and solid fixed ring all is two, two the seal receptacle sets up respectively in the both ends of stack shell with solid fixed ring, just the seal receptacle passes through bolt and solid fixed ring fixed connection, gu one side that solid fixed ring is close to the backup pad is evenly seted up flutedly.

Preferably, the width of the plate body is gradually increased from the first fixture block to the second fixture block, the second fixture block is clamped with the groove, through holes are uniformly formed in the outer surface of the plate body, and the inner cavity of each through hole is U-shaped.

Preferably, the shunt pipe fitting includes a straight bobbin, a first connecting seat is fixed to one end of the straight bobbin, a second connecting seat is fixed to the other end of the straight bobbin, the upper and lower ends of the first connecting seat are arc-shaped, the left and right sides of the first connecting seat are flat, a through groove is formed in the center of the first connecting seat, threads are formed in the inner wall of the through groove, the liquid inlet pipe penetrates through the through groove and penetrates through the straight bobbin, the liquid inlet pipe and the straight bobbin are connected through threads, a U-shaped groove is formed in one end, abutting against the inner wall of the straight bobbin, of the liquid inlet pipe, an inner cavity of the liquid inlet pipe is communicated with the straight bobbin through the U-shaped groove, and the upper and lower ends and the left and right sides of the second connecting seat are identical in shape to the first connecting seat.

Preferably, the liquid discharge pipe includes a first pipe body and a second pipe body, the first connecting seat and the second connecting seat are in interference fit with the first pipe body and the second pipe body respectively, the first pipe body and the second pipe body are in interference fit with the base body, the first pipe body is butted with the second pipe body, the joint of the first pipe body and the second pipe body is located at the center of the straight bobbin, the upper end and the lower end of the straight bobbin penetrate through the liquid discharge pipe, one end, away from the straight bobbin, of the first pipe body abuts against the first sealing seat, one end, away from the straight bobbin, of the first pipe body is provided with a first liquid passing hole, one end, away from the straight bobbin, of the second pipe body penetrates through the second sealing seat, one end, away from the straight bobbin, of the second pipe body is provided with a second liquid passing hole, and the second liquid passing hole is located inside the bobbin body.

Preferably, the outer surfaces of the first pipe body and the second pipe body are uniformly fixed with spiral flow deflectors.

Preferably, the butt joint of the first pipe body and the second pipe body is coated with a sealant.

Preferably, a sealing strip is embedded in the butt joint of the first pipe body and the second pipe body.

Compared with the prior art, the invention has the beneficial effects that: the butterfly-shaped spiral runner chilling roll of the sheet casting machine is provided with the splicing internal support framework, the over-wide roll surface is guaranteed not to be bent and deformed, the manufacturing difficulty and the manufacturing cost are reduced, the butterfly-shaped spiral runner is adopted, the temperature difference in the circumferential direction of the roll surface tends to zero, the temperatures on the two sides are symmetrical left and right, and the phenomenon of temperature cold and hot alternation does not exist.

(1) Install central supporting seat through the inside center department of stack shell to evenly install the backup pad at the both ends of central supporting seat and form the support to the stack shell, guarantee that stack shell center department can not be because of wide bending deformation, reduced the material requirement to the stack shell, thereby reduce the manufacturing degree of difficulty and manufacturing cost, evenly distributed's backup pad still plays the effect that increases heat conduction area simultaneously, guarantees the heat transfer homogeneity.

(2) Through being provided with straight bobbin in the center department of seat body, and with feed liquor pipe and straight bobbin intercommunication, coolant gets into the back from the feed liquor pipe, can get into the inner chamber of stack shell from the upper and lower both ends of straight bobbin, turn left right both sides diffusion again, it is both sides and is full of the stack shell inboard, it flows around spiral water conservancy diversion piece spiral again, discharge in first body and the second body of rethread first liquid hole of passing through of rethread liquid hole and second, make the roll surface circumferencial direction difference in temperature zero, bilateral temperature bilateral symmetry, and the cold and hot phenomenon in turn of no temperature.

Drawings

FIG. 1 is a schematic view of the entire structure of the present invention;

FIG. 2 is a schematic cross-sectional elevation view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 1 according to the present invention;

FIG. 4 is a partial schematic view of the drain of FIG. 2 according to the present invention;

FIG. 5 is a schematic view, partially in section, of the drain of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the support plate of FIG. 2;

FIG. 7 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 8 is a schematic cross-sectional view of the structure at C-C in FIG. 1 according to the present invention.

In the figure: 1. a barrel body; 2. sealing the end cover; 3. a sealing seat; 4. a liquid inlet pipe; 5. a central support seat; 51. a seat body; 52. a liquid passing groove; 53. fixing grooves; 6. a support plate; 61. a board body; 62. a first clamping block; 63. a second fixture block; 64. a through hole; 7. a shunt tube; 71. a straight bobbin; 72. a first connecting seat; 73. a second connecting seat; 8. a liquid discharge pipe; 81. a first pipe body; 82. a second tube body; 9. a fixing ring; 10. spiral guide vanes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the first embodiment of the present invention:

a butterfly type spiral runner chilling roll of a sheet casting machine comprises a barrel body 1 and two sealing end covers 2, wherein the number of the sealing end covers 2 is two, the two sealing end covers 2 are fixed at two ends of the barrel body 1, a central supporting seat 5 is arranged inside the barrel body 1, the central supporting seat 5 comprises a seat body 51, liquid passing grooves 52 are uniformly formed in the inner wall of the seat body 51, fixing grooves 53 are uniformly formed in two sides of the seat body 51, supporting plates 6 are uniformly distributed on two sides of the seat body 51, the supporting plates 6 comprise a plate body 61, a first clamping block 62 is fixed at one end of the plate body 61, a second clamping block 63 is fixed at the other end of the plate body 61, the first clamping block 62 is clamped with the fixing grooves 53, the interior of the barrel body 1 is supported through the matching of the supporting plates 6 and the central supporting seat 5, the strength of the center of the barrel body 1 is ensured by the integrated cylindrical structure of the central supporting seat 5, and the center is supported in a light weight manner through the supporting plates 6, the two ends are widened and weighted, so that the problem that the center of the cylinder body 1 is bent due to over weight is avoided.

The one end of second fixture block 63 is contradicted and is had solid fixed ring 9, and solid fixed ring 9 can carry on spacingly to second fixture block 63, and gu fixed ring 9 and stack shell 1 welded fastening, the inside of sealing end cover 2 is fixed with seal receptacle 3, the inside of seal receptacle 3 is run through and is provided with feed liquor pipe 4 and is used for adding coolant, and feed liquor pipe 4 is provided with reposition of redundant personnel pipe fitting 7 and fluid-discharge tube 8 near the one end of central supporting seat 5 and is used for the dispersion and discharges coolant.

Further, as shown in fig. 1-2, the number of the seal bases 3 and the fixing rings 9 is two, the two seal bases 3 and the fixing rings 9 are respectively arranged at two ends of the barrel body 1, the seal bases 3 are fixedly connected with the fixing rings 9 through bolts, disassembly and assembly are facilitated, and grooves are uniformly formed in one side, close to the support plate 6, of the fixing rings 9.

Further, as shown in fig. 1-2, the width of the plate body 61 gradually increases from the first fixture block 62 to the second fixture block 63, so as to increase the weight at both ends of the butterfly-shaped spiral runner chilling roller of the sheet casting machine, reduce the weight at the center of the butterfly-shaped spiral runner chilling roller of the sheet casting machine, ensure that the center of the butterfly-shaped spiral runner chilling roller of the sheet casting machine is not bent, the second fixture block 63 is engaged with the groove, so as to facilitate the engagement of the fixing ring 9 and the second fixture block 63, through holes 64 are uniformly formed in the outer surface of the plate body 61, the inner cavity of the through holes 64 is U-shaped, the through holes 64 play a role in circulating cooling media, and meanwhile, the U-shaped structure is the same as the arched structure, so that the compressive strength of the plate body 61 can be improved while the plate body 61 is light in weight.

Further, as shown in fig. 2, 4 and 5, the flow dividing pipe member 7 includes a straight pipe 71, a first connecting seat 72 is fixed at one end of the straight pipe 71, a second connecting seat 73 is fixed at the other end of the straight pipe 71, the upper and lower ends of the first connecting seat 72 are arc-shaped, the left and right sides of the first connecting seat 72 are flat to ensure that the first connecting seat 72 is installed in the circular pipe-shaped object, the left and right sides of the first connecting seat 72 can be supplied with liquid, a through groove is formed at the center of the first connecting seat 72, a screw thread is formed on the inner wall of the through groove, the liquid inlet pipe 4 passes through the through groove and passes through the straight pipe 71, the liquid inlet pipe 4 is connected with the straight pipe 71 through the screw thread, a U-shaped groove is formed at one end of the liquid inlet pipe 4 abutting against the inner wall of the straight pipe 71, the inner cavity of the liquid inlet pipe 4 is communicated with the straight pipe 71 through the U-shaped groove, the liquid inlet pipe 4 is used for adding a cooling medium, the cooling medium flows into the straight pipe 71 through the U-shaped groove, and then discharged from the upper and lower ends of the straight tube 71, and the upper and lower ends and the left and right sides of the second connecting seat 73 have the same shape as the first connecting seat 72.

Further, as shown in fig. 2, 4 and 5, the liquid discharge pipe 8 includes a first pipe 81 and a second pipe 82, the first connecting seat 72 and the second connecting seat 73 are respectively in interference fit with the first pipe 81 and the second pipe 82, the first pipe 81 and the second pipe 82 are both in interference fit with the seat body 51, the first pipe 81 is abutted with the second pipe 82, the joint of the first pipe 81 and the second pipe 82 is located at the center of the straight bobbin 71, the upper end and the lower end of the straight bobbin 71 penetrate through the liquid discharge pipe 8, it is ensured that the cooling medium does not flow into the first pipe 81 through the straight bobbin 71, the end of the first pipe 81 far away from the straight bobbin 71 abuts against the first sealing seat 3, and the end of the first pipe 81 far away from the straight bobbin 71 is provided with a first liquid through hole, the heat-exchanged cooling medium flowing to the left enters the first pipe 81 from the first liquid through hole, the end of the second pipe 82 far away from the straight bobbin 71 penetrates through the second sealing seat 3, a second liquid passing hole is formed in one end, far away from the straight bobbin 71, of the second tube body 82, the second liquid passing hole is located inside the bobbin body 1, and the cooling medium flowing to the right side after heat exchange enters the second tube body 82 from the first liquid passing hole and is discharged outwards through the second tube body 82.

The working principle is as follows: during processing, firstly, the central supporting seat 5 is installed in the barrel body 1, then the supporting plates 6 are sequentially installed, then the first pipe body 81 is installed, the shunt pipe fitting 7 is installed on the second pipe body 82, then the first connecting seat 72 is in butt joint with the first pipe body 81, then the two fixing rings 9 are abutted against the supporting plates 6, the adjusting positions of the first pipe body 81 and the second pipe body are welded and fixed with the barrel body 1, the sealing end cover 2 is fixedly connected with the fixing rings 9 through bolts, then the liquid inlet pipe 4 is inserted into the straight barrel pipe 71 and is in threaded connection with the straight barrel pipe 71, finally, the two sealing seats 3 are respectively sleeved on the liquid inlet pipe 4 and the second pipe body 82, and the two sealing seats 3 are respectively and fixedly connected with the two sealing end covers 2.

During the use, after the coolant gets into from feed liquor pipe 4, can get into the inner chamber of stack shell 1 from the upper and lower both ends of straight bobbin 71, turn left right both sides diffusion again, it is inboard that both sides are full of stack shell 1, again around spiral water conservancy diversion piece 10 spiral flow, discharge in first body 81 and the second body 82 are crossed through liquid hole and second to rethread first, through coolant's heat transfer to reach the effect of control stack shell 1's surface temperature.

Example two:

on the basis of the first embodiment, the difference of the second embodiment is that: the spiral flow deflectors 10 are uniformly fixed on the outer surfaces of the first pipe 81 and the second pipe 82, so that the cooling medium can flow along a spiral path in the barrel 1 and fully contact with the inner wall of the barrel 1.

Example three:

on the basis of the first embodiment, the difference of the third embodiment is that: the butt joint of the first tube 81 and the second tube 82 is coated with a sealant, during processing, the sealant is coated on the joint of the first tube 81 and the second tube 82, and when the second tube 82 is inserted, the sealant is bonded at the joint of the first tube 81 and the second tube 82, so that the sealing between the first tube 81 and the second tube 82 is ensured.

Example four:

on the basis of the third embodiment, the fourth embodiment is different in that: first body 81 and second body 82 butt joint department are embedded to have the sealing strip, seal first body 81 and second body 82 linking department through the sealing strip, avoid appearing sealing the problem that comes unstuck through sealed glue.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.