PS film processing calendering roller structure

Abstract

The utility model discloses a PS (Poly Styrene) film processing calender roll structure, which relates to the technical field of film production and particularly comprises a first fixing structure, a second fixing structure and a calender roll body matched with a PS film, the first fixing structure comprises a fixing base, a movable suction cup connected with the fixing base through a translation structure and a fixed suction cup fixedly connected with the fixing base, a movable structure is arranged at the top of the fixing base, and the movable structure comprises a first hydraulic telescopic rod and a second hydraulic telescopic rod. According to the PS film processing calendaring roller structure, the calendaring roller body can be rapidly disassembled and assembled, the disassembling and assembling efficiency of the calendaring roller body is improved, in the disassembling and assembling process, the first fixing structure can drive the calendaring roller body to move horizontally, the calendaring roller body can move to the side face of a calendaring machine, the hoisting convenience of the calendaring roller body is improved, and the working efficiency of the calendaring roller body is improved. Therefore, the operation of dismounting adjacent calendering rollers of the calendering roller body is omitted, and the replacement efficiency of the calendering roller body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of film production, specifically is a PS film processing calender roll structure. BACKGROUND

[0002] PS film is the amorphous thermoplastic polymer film formed by free radical polymerization or anion polymerization with styrene monomer as raw material, in industrial production, PS film often adopts calendering process to process, the process presses the molten PS raw material into the film or sheet of uniform thickness through high temperature and high pressure, in this process, the calender roll as the core structural component, its performance directly influences the forming quality of film.

[0003] The continuous friction of the roll surface and the molten PS material during use of the calender roll can easily cause the roll surface to wear, and the roll surface wear can cause surface defects of the film, so the calender roll needs to be replaced, the existing calender roll is usually located in the middle of the equipment, when replacing the middle roller, the adjacent rollers are generally removed and then hoisted, which reduces the replacement efficiency of the calender roll, and the calender roll needs to be cooled during use, the traditional cooling system adopts a single-side water inlet circulation design, the cooling water flows into the roller from one end and then flows in the spiral flow channel in the roller, but due to the heat exchange efficiency decay, the area close to the water inlet end of the calender roll has sufficient heat exchange due to the high initial kinetic energy of the cooling medium, while the area close to the water outlet end has a sharp decrease in heat exchange efficiency due to the factors such as the decay of medium flow rate, thickening of temperature boundary layer, etc., finally forming an obvious axial temperature gradient distribution in the roller body, which affects the production quality of PS film; based on this, the present application provides a PS film processing calender roll structure. SUMMARY

[0004] The utility model provides a kind of PS film processing calender roll structure, solve the low replacement efficiency of calender roll proposed in above-mentioned background art;Adopt the circulation cooling mode of single-side water inlet, easy to form axial temperature gradient, affect the production quality of PS film problem.

[0005] The utility model provides following technical scheme: A kind of PS film processing calendering roll structure, including first fixed structure, second fixed structure and with PS film adaptation's calendering roll body, the first fixed structure includes fixed base, mobile suction cup connected with fixed base by translation structure and fixed suction cup fixedly connected with fixed base, the top of fixed base is provided with moving structure, the moving structure includes first hydraulic telescopic rod and second hydraulic telescopic rod connected with the output end of first hydraulic telescopic rod, the output shaft of second hydraulic telescopic rod is connected with moving bearing seat, the top of moving bearing seat is provided with first bearing, the inner ring of first bearing is connected with first positioning rod, first positioning rod is movably connected with the middle part of moving bearing seat inboard, electromagnet is provided on the side wall of first positioning rod;The second fixed structure includes fixed bearing seat, the top of fixed bearing seat is connected with second bearing, the inboard of second bearing is provided with second positioning rod, second positioning rod is movably connected with fixed bearing seat, the both ends of calendering roll body are provided with positioning groove, and first positioning rod and second positioning rod are adapted with positioning groove.

[0006] Preferably, the fixed base is L-shaped, one end of the fixed base is in line with the fixed bearing seat, the fixed suction cup is fixedly connected with the top of one end of the fixed base, the mobile suction cup is connected to one end of the fixed base by the translation structure, and the mobile suction cup is located on the side of the fixed suction cup away from the fixed bearing seat;

[0007] The top of the fixed base is provided with a horizontal moving groove and a vertical moving groove, the first hydraulic telescopic rod is located in the vertical moving groove, the cylinder of the first hydraulic telescopic rod is fixedly connected to the other end of the fixed base, the output shaft end of the first hydraulic telescopic rod is connected with a moving seat, the moving seat is in contact with the fixed base, the cylinder of the second hydraulic telescopic rod is embedded in the moving seat, the output shaft end of the second hydraulic telescopic rod is connected with a connecting block, the connecting block is connected to the bottom of the moving bearing seat, the extension direction of the first hydraulic telescopic rod is perpendicular to the extension direction of the second hydraulic telescopic rod, the connecting block, the second hydraulic telescopic rod, and the moving seat are adapted with the horizontal moving groove of the fixed base, and when the second hydraulic telescopic rod is contracted to the shortest length, the connecting block is located in the vertical moving groove or at the intersection of the vertical moving groove and the horizontal moving groove.

[0008] Preferably, the top of the mobile suction cup and the fixed suction cup is concave arc-shaped, and the diameter of the arc-shaped is adapted with the outer diameter of the middle part of the calendering roll body.

[0009] Preferably, the first fixed structure further includes a vacuum pump, the air inlet ends of the mobile suction cup and the fixed suction cup are respectively connected to the air inlet end of the vacuum pump through vacuum pipes, and one end of the vacuum pipe is provided with an electric ball valve.

[0010] Preferably, the calender roller body is provided with a hollow cavity near one end of the first positioning rod, a connecting pipe is arranged in the middle of the hollow cavity, a liquid inlet pipe and a liquid outlet pipe are arranged in the middle of the calender roller body, one end of the liquid outlet pipe extends into the hollow cavity, the liquid inlet pipe is connected with the connecting pipe, and the inner cavity of the calender roller body is uniformly provided with heat exchange pipes, one end of the heat exchange pipes is connected with the liquid inlet pipe, and the other end of the heat exchange pipes is connected with the liquid outlet pipe.

[0011] Preferably, the middle part of the first positioning rod is movably sleeved with an outer pipe, the outer pipe is matched with the hollow cavity, the middle part of the inner cavity of the outer pipe is connected with a cooling liquid inlet pipe, the cooling liquid inlet pipe is matched with the connecting pipe, and the outer pipe and the cooling liquid inlet pipe both extend to the outer side of the moving end of the moving structure away from the moving chuck, and the end of the outer pipe away from the moving chuck is connected with a cooling liquid outlet pipe.

[0012] Compared with the prior art, the calender roller structure has the following beneficial effects:

[0013] 1. The PS film processing calender roller structure can quickly realize disassembly and assembly of the calender roller body, improve the disassembly and assembly efficiency of the calender roller body, and in the disassembly and assembly process, the first fixing structure can drive the calender roller body to translate, so that the calender roller body can be moved to the side of the calender, improve the convenience of hoisting the calender roller body, thereby omitting the operation of removing the adjacent calender roller of the calender roller body, and improving the replacement efficiency of the calender roller body.

[0014] 2. The PS film processing calender roller structure adopts a modular heat exchange pipe group, each heat exchange pipe independently forms a closed loop flow path, eliminates the end effect of the traditional spiral flow channel, improves the uniformity of the temperature field of the calender roller body, and further improves the production quality of the PS film. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A PS film processing calender roller structure three-dimensional schematic view is provided for the utility model;

[0016] Figure 2 The utility model structure Figure 1 Back view schematic view;

[0017] Figure 3 The utility model structure Figure 1 Explosion schematic view;

[0018] Figure 4 The utility model structure moving bearing seat back view schematic view;

[0019] Figure 5 The utility model structure calender roller body section view schematic view;

[0020] Figure 6 The utility model structure calender roller body cross section schematic view.

[0021] Figure: 1, fixed base; 2, moving structure; 3, moving bearing seat; 4, translation structure; 5, moving suction cup; 6, fixed suction cup; 7, outer tube; 8, cooling liquid inlet pipe; 9, calender roller body; 10, fixed bearing seat; 11, second bearing; 12, vacuum pump; 13, first bearing; 14, cooling liquid discharge pipe; 15, positioning groove; 16, liquid discharge pipe; 17, hollow cavity; 18, connecting pipe; 19, vacuum pipe; 20, second positioning rod; 21, first positioning rod; 22, electromagnet; 23, heat exchange pipe; 24, liquid inlet pipe; 25, first hydraulic telescopic rod; 26, second hydraulic telescopic rod; 27, ball screw; 28, ball nut; 29, servo motor; 30, moving seat; 31, connecting block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] The present application provides an embodiment: please refer to Figures 1-6 A PS film processing calender roller structure, comprising a first fixed structure, a second fixed structure and a calender roller body 9 matched with the PS film, the first fixed structure comprises a fixed base 1, and the top of the fixed base 1 is provided with a moving structure 2, and under the action of the moving structure 2, the moving bearing seat 3 can move horizontally and vertically.

[0024] As Figure 3As shown, the moving structure 2 comprises a first hydraulic telescopic rod 25 and a second hydraulic telescopic rod 26, the top of the fixed base 1 is provided with a transverse moving groove and a longitudinal moving groove, the first hydraulic telescopic rod 25 is located in the longitudinal moving groove of the fixed base 1, the cylinder barrel of the first hydraulic telescopic rod 25 is fixedly connected with the fixed base 1, the output shaft end of the first hydraulic telescopic rod 25 is connected with a moving seat 30, the moving seat 30 is in contact with the fixed base 1, and the moving seat 30 can move in the longitudinal moving groove under the action of the first hydraulic telescopic rod 25. The cylinder barrel of the second hydraulic telescopic rod 26 is embedded on the moving seat 30, the output shaft end of the second hydraulic telescopic rod 26 is connected with a connecting block 31, the connecting block 31 is connected with the bottom of the moving bearing seat 3, the extension direction of the second hydraulic telescopic rod 26 is perpendicular to the extension direction of the first hydraulic telescopic rod 25, when the moving seat 30 moves to the intersection of the longitudinal moving groove and the transverse moving groove under the action of the first hydraulic telescopic rod 25, the connecting block 31 can move in the transverse moving groove under the extension of the second hydraulic telescopic rod 26, the transverse movement of the moving bearing seat 3 is realized, and when the moving bearing seat 3 is located above the transverse moving groove and the second hydraulic telescopic rod 26 is contracted to the shortest length, the connecting block 31 is located at the intersection of the longitudinal moving groove and the transverse moving groove, so that the movement of the moving seat 30, the second hydraulic telescopic rod 26 and the connecting block 31 is not physically limited by the L-shaped structure of the fixed base 1 during the extension of the first hydraulic telescopic rod 25, and the shortest length of the second hydraulic telescopic rod 26 can be set according to requirements, which is not limited herein.

[0025] As can be known from the above description, when the second hydraulic telescopic rod 26 is contracted to the shortest length, the connecting block 31 is located in the longitudinal moving groove or at the intersection of the longitudinal moving groove and the transverse moving groove, so that the moving structure 2 can drive the moving bearing seat 3 to move transversely or longitudinally.

[0026] The top end of the moving bearing seat 3 is provided with a first bearing 13, the middle part of the inner side of the first bearing 13 is provided with a first positioning rod 21, and the first positioning rod 21 is connected with the inner ring of the first bearing 13. The first positioning rod 21 is in a state of active connection with the moving bearing seat 3, and the side wall of the first positioning rod 21 is provided with an electromagnet 22. The middle part of one end of the calender roller body 9 is provided with a positioning groove 15 matched with the first positioning rod 21, when the first positioning rod 21 is completely inserted into the positioning groove 15, one end of the calender roller body 9 is in active connection with the moving bearing seat 3, and when the inner ring of the first bearing 13 rotates, the calender roller body 9 can be driven to rotate by the first positioning rod 21. When the electromagnet 22 is in an energized state, the electromagnet 22 and one end of the calender roller body 9 are in a state of magnetic attraction, realizing the connection between the calender roller body 9 and the first positioning rod 21, and the adsorption force generated between the electromagnet 22 and the calender roller body 9 by magnetic attraction can ensure that when the second hydraulic telescopic rod 26 drives the moving bearing seat 3 to move transversely, the moving bearing seat 3 can drive the calender roller body 9 to move synchronously through the first positioning rod 21. The material of the calender roller body 9 and the model of the electromagnet 22 can be set according to requirements, which are not limited here.

[0027] The second fixed structure includes a fixed bearing seat 10, the top end of the fixed bearing seat 10 is connected with a second bearing 11, the inner side of the second bearing 11 is provided with a second positioning rod 20, the second positioning rod 20 is connected with the inner ring of the second bearing 11, the second positioning rod 20 is in active connection with the fixed bearing seat 10, and the middle part of the other end of the calender roller body 9 is provided with a positioning groove 15 matched with the second positioning rod 20.

[0028] As can be known from the above description, when the first positioning rod 21 and the second positioning rod 20 are inserted into the positioning groove 15, the first bearing 13 and the second bearing 11 can realize the positioning of the calender roller body 9, so that the position of the calender roller body 9 can be fixed, and the rapid installation of the calender roller body 9 is realized.

[0029] The fixed base 1 is L-shaped, one end of the fixed base 1 is in a same straight line with the fixed bearing seat 10, the top of one end of the fixed base 1 is fixedly connected with a fixed suction disc 6, one end of the fixed base 1 is connected with a moving suction disc 5 through the translation structure 4, the moving suction disc 5 is located on the side away from the fixed bearing seat 10 of the fixed suction disc 6, the moving bearing seat 3 is located on the side away from the fixed bearing seat 10 of the moving suction disc 5, and the distance between the moving suction disc 5 and the fixed suction disc 6 can be changed under the action of the translation structure 4.

[0030] The translation structure 4 comprises a ball screw 27 movably connected with the fixed base 1, a ball nut 28 matched with the ball screw 27, and a servo motor 29 connected with the fixed base 1, the ball screw 27 and the ball nut 28 form a high-precision ball screw pair, the servo motor 29 is coaxially connected with the ball screw 27 through a rigid shaft coupling and a speed reducer, drives the ball screw 27 to rotate, and the ball nut 28 is connected with the movable suction disc 5.

[0031] The top of the movable suction disc 5 and the fixed suction disc 6 is an arc inwardly recessed, and the diameter of the arc is matched with the outer diameter of the middle part of the calender roller body 9, when the calender roller body 9 needs to be removed, the calender roller body 9 is horizontally moved under the action of the second hydraulic telescopic rod 26, so that the middle part of the calender roller body 9 can be in close contact with the top of the movable suction disc 5 and the fixed suction disc 6, the movable suction disc 5 or the fixed suction disc 6 is conveniently connected with the calender roller body 9 in a negative pressure mode, and the top of the movable suction disc 5 and the fixed suction disc 6 is provided with a sealing gasket, the sealing gasket is used to increase the sealing between the movable suction disc 5 and the calender roller body 9, and the sealing gasket is used to increase the sealing between the fixed suction disc 6 and the calender roller body 9. The material of the sealing gasket can be set according to requirements, which is not limited herein.

[0032] The first fixed structure further comprises a vacuum pump 12, the air inlet ends of the movable suction disc 5 and the fixed suction disc 6 are respectively connected with the air inlet end of the vacuum pump 12 through independent vacuum pipes 19, and one end of each vacuum pipe 19 is provided with an electric ball valve for accurately controlling the on-off state of the corresponding pipeline. When the vacuum pipe 19 connected with the movable suction disc 5 is in a conductive state, the operation of the vacuum pump 12 can make the calender roller body 9 and the movable suction disc 5 in contact with the calender roller body 9 connected in a negative pressure mode, at this time, the movement of the movable suction disc 5 can drive the calender roller body 9 to move synchronously. When the vacuum pipe 19 connected with the fixed suction disc 6 is in a conductive state, the operation of the vacuum pump 12 can make the calender roller body 9 and the fixed suction disc 6 in contact with the calender roller body 9 connected in a negative pressure mode. When the fixed suction disc 6 is connected with the calender roller body 9 in a negative pressure mode, the position of the calender roller body 9 can be fixed, even if the negative pressure adsorption between the movable suction disc 5 and the calender roller body 9 is released in this state, the calender roller body 9 can still keep the position stable, which provides reliable conditions for the reset operation of the movable suction disc 5, and facilitates the reset of the movable suction disc 5.

[0033] As known from the above description, in use, the calender roller body 9 can be quickly disassembled and assembled, the disassembly and assembly efficiency of the calender roller body 9 is improved, and in the disassembly and assembly process, the first fixed structure can drive the calender roller body 9 to move through the moving structure 2 and the translation structure 4, so that the calender roller body 9 can be moved to the side of the PS film calendering machine, the hoisting convenience of the calender roller body 9 is improved, thereby omitting the operation of removing the adjacent calender roller of the calender roller body 9, and the replacement efficiency of the calender roller body 9 is improved.

[0034] The calender roller body 9 is provided with a hollow cavity 17 near one end of the first positioning rod 21, a connecting pipe 18 is arranged in the middle of the hollow cavity 17, the middle of the calender roller body 9 is provided with a liquid inlet pipe 24 and a liquid outlet pipe 16, one end of the liquid outlet pipe 16 extends into the hollow cavity 17, the liquid inlet pipe 24 is connected with the connecting pipe 18, and the inner cavity of the calender roller body 9 is uniformly provided with heat exchange pipes 23, a plurality of heat exchange pipes 23 are arranged along the length direction of the calender roller body 9, one end of the heat exchange pipe 23 is connected with the liquid inlet pipe 24, and the other end of the heat exchange pipe 23 is connected with the liquid outlet pipe 16. The liquid in the liquid inlet pipe 24 can enter the inner cavity of the heat exchange pipe 23, the liquid in the heat exchange pipe 23 can be discharged through the liquid outlet pipe 16, and the other end of the heat exchange pipe 23 is provided with a one-way valve, so that the backflow of the liquid in the liquid outlet pipe 16 can be avoided. During the flow of the liquid in the heat exchange pipe 23, heat exchange with the calender roller body 9 can be realized, and the cooling of the calender roller body 9 can be realized.

[0035] The middle part of the first positioning rod 21 is movably sleeved with an outer pipe 7, the outer pipe 7 is matched with the hollow cavity 17, the middle part of the inner cavity of the outer pipe 7 is connected with a cooling liquid inlet pipe 8, the cooling liquid inlet pipe 8 is matched with the connecting pipe 18, both ends of the outer pipe 7 and the cooling liquid inlet pipe 8 extend to the outside of the moving end of the moving structure 2, the outer pipe 7 and the cooling liquid inlet pipe 8 are movably connected with the inner ring of the first bearing 13, one end of the outer pipe 7 is connected with a cooling liquid outlet pipe 14, when the first positioning rod 21 is inserted into the positioning groove 15 near one end of the calender roller body 9, the outer pipe 7 is in an aligned state with the hollow cavity 17, the cooling liquid inlet pipe 8 is in a movably connected state with the connecting pipe 18, and the sealing between the cooling liquid inlet pipe 8 and the connecting pipe 18 is improved by the sealing ring, the cooling liquid for cooling the calender roller body 9 can enter the inner cavity of the heat exchange pipe 23 through the cooling liquid inlet pipe 8, the connecting pipe 18 and the liquid inlet pipe 24, and the cooled cooling liquid in the heat exchange pipe 23 can be discharged through the liquid outlet pipe 16, the hollow cavity 17, the outer pipe 7 and the cooling liquid outlet pipe 14.

[0036] As known from the above description, in use, the modular heat exchange pipe group is adopted, each heat exchange pipe 23 independently forms a closed loop flow path, the end effect of the traditional spiral flow channel is eliminated, the uniformity of the temperature field of the calender roller body 9 is improved, and the processing quality of the PS film is improved.

[0037] The electric devices involved in the present application are all prior art, and the person skilled in the art can select appropriate models according to the needs, which are not limited and elaborated here, and the person skilled in the art understands the connection mode. All the electric elements in the present application and their adapted power supply are connected by wires by the person skilled in the art, and the appropriate controller is selected according to the actual situation to meet the control requirements. The specific connection and control sequence are described below. The working order of each electric device completes the electrical connection. The detailed connection means is a known technology in the art. The working principle and process are mainly introduced below, and the electric control is not described.

[0038] In summary: when the calender roll structure of the PS film processing is used, the first bearing 13 and the second bearing 11 are used to limit the calender roll body 9, so that the calender roll body 9 can rotate stably. When the calender roll body 9 needs to be replaced, the electromagnet 22 is in an energized state, the calender roll body 9 is magnetically attracted to the electromagnet 22, the second hydraulic telescopic rod 26 drives the moving bearing seat 3 to move horizontally, the moving bearing seat 3 drives the calender roll body 9 to move horizontally through the first positioning rod 21, until the calender roll body 9 is separated from the second fixed structure. At this time, the calender roll body 9 is tightly attached to the moving suction plate 5 and the fixed suction plate 6. The vacuum pump 12 is used to connect the moving suction plate 5 and the calender roll body 9 in a negative pressure connection. The electromagnet 22 is in a de-energized state. The second hydraulic telescopic rod 26 drives the moving bearing seat 3 to continue to move horizontally, until the first positioning rod 21 is separated from the calender roll body 9. At this time, the second hydraulic telescopic rod 26 is in a state of being contracted to the shortest length. The moving seat 30, the second hydraulic telescopic rod 26 and the connecting block 31 are located at the intersection of the longitudinal moving groove and the horizontal moving groove. The controller of the present application controls the first hydraulic telescopic rod 25 to work. The contraction of the first hydraulic telescopic rod 25 can drive the moving bearing seat 3 to move longitudinally, until the moving bearing seat 3 is located at the side of the calender roll body 9, so that the moving bearing seat 3 and the calender roll body 9 are in a misaligned state, avoiding the limitation of the moving bearing seat 3 to the horizontal movement of the calender roll body 9. The translation structure 4 drives the moving suction plate 5 to move horizontally, and the moving suction plate 5 drives the calender roll body 9 connected thereto in a negative pressure connection to move horizontally. After the moving suction plate 5 moves to the limit position, the fixed suction plate 6 is connected to the calender roll body 9 in a negative pressure connection. The fixed suction plate 6 is used to fix the position of the calender roll body 9. After the negative pressure connection between the moving suction plate 5 and the calender roll body 9 is released, the position of the calender roll body 9 remains stable. The translation structure 4 drives the moving suction plate 5 to reset. The transfer assembly composed of the translation structure 4 and the moving suction plate 5 can continue to drive the calender roll body 9 to move, so that the calender roll body 9 can be quickly moved to the side of the calender during the dismounting process, facilitating the hoisting of the calender roll body 9 and improving the convenience of dismounting the calender roll body 9, thereby improving the replacement efficiency of the calender roll body 9.

[0039] During use, the cooling liquid for cooling the calender roller body 9 can enter the inner cavity of the heat exchange pipe 23 through the cooling liquid inlet pipe 8, the connecting pipe 18 and the liquid inlet pipe 24, and the cooling liquid after heat exchange in the heat exchange pipe 23 can be discharged through the liquid discharge pipe 16, the hollow cavity 17, the outer pipe 7 and the cooling liquid discharge pipe 14, in the process, each heat exchange pipe 23 independently forms a closed loop flow path, eliminates the end effect of the traditional spiral flow channel, and improves the uniformity of the temperature field of the calender roller body 9.

[0040] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each structure adopts the conventional technical means such as bolt connection in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the material of each component can be selected according to the requirement, which is not limited herein, the contents not described in detail in the specification belong to the prior art known by the person skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that the embodiments can be changed, modified, replaced and modified in various manners without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A calendering roll structure for PS film processing, comprising a first fixing structure, a second fixing structure, and a calendering roll body (9) adapted to PS film, characterized in that: The first fixing structure includes a fixed base (1), a movable suction cup (5) connected to the fixed base (1) via a translation structure (4), and a fixed suction cup (6) fixedly connected to the fixed base (1). A movable structure (2) is provided on the top of the fixed base (1). The movable structure (2) includes a first hydraulic telescopic rod (25) and a second hydraulic telescopic rod (26) connected to the output end of the first hydraulic telescopic rod (25). The output shaft of the second hydraulic telescopic rod (26) is connected to a movable bearing seat (3). A first bearing (13) is provided on the top of the movable bearing seat (3). A first positioning device is connected to the inner ring of the first bearing (13). The first positioning rod (21) is movably connected to the middle of the inner side of the movable bearing seat (3), and an electromagnet (22) is provided on the side wall of the first positioning rod (21); the second fixing structure includes a fixed bearing seat (10), the top of the fixed bearing seat (10) is connected to a second bearing (11), the inner side of the second bearing (11) is provided with a second positioning rod (20), the second positioning rod (20) is movably connected to the fixed bearing seat (10), and both ends of the calender roll body (9) are provided with positioning grooves (15), and the first positioning rod (21) and the second positioning rod (20) are both adapted to the positioning grooves (15).

2. The PS film processing calendering roll structure according to claim 1, characterized in that: The fixed base (1) is L-shaped. One end of the fixed base (1) is on the same straight line as the fixed bearing seat (10). The fixed suction cup (6) is fixedly connected to the top of one end of the fixed base (1). One end of the fixed base (1) is connected to a movable suction cup (5) through a translation structure (4). The movable suction cup (5) is located on the side of the fixed suction cup (6) away from the fixed bearing seat (10). The top of the fixed base (1) is provided with a transverse groove and a longitudinal groove. The first hydraulic telescopic rod (25) is located in the longitudinal groove. The cylinder of the first hydraulic telescopic rod (25) is fixedly connected to the other end of the fixed base (1). The output shaft end of the first hydraulic telescopic rod (25) is connected to a movable seat (30). The movable seat (30) is in contact with the fixed base (1). The cylinder of the second hydraulic telescopic rod (26) is embedded in the movable seat (30). The output shaft end of the second hydraulic telescopic rod (26) is connected to the movable seat (30). The end is connected to a connecting block (31), which is connected to the bottom of the movable bearing seat (3). The extension direction of the first hydraulic telescopic rod (25) and the extension direction of the second hydraulic telescopic rod (26) are perpendicular to each other. The connecting block (31), the second hydraulic telescopic rod (26) and the movable seat (30) are all adapted to the transverse groove of the fixed base (1). When the second hydraulic telescopic rod (26) is retracted to the shortest length, the connecting block (31) is located in the longitudinal groove or at the intersection of the longitudinal groove and the transverse groove.

3. The PS film processing calendering roll structure according to claim 1, characterized in that: Both the movable suction cup (5) and the fixed suction cup (6) have inwardly concave arcs at their tops, and the diameter of the arc is adapted to the outer diameter of the middle part of the calender roll body (9).

4. The PS film processing calendering roll structure according to claim 1, characterized in that: The first fixed structure also includes a vacuum pump (12). The air inlets of the movable suction cup (5) and the fixed suction cup (6) are respectively connected to the air inlet of the vacuum pump (12) through a vacuum tube (19), and an electric ball valve is provided at one end of the vacuum tube (19).

5. The PS film processing calendering roll structure according to claim 1, characterized in that: The calender roll body (9) has a hollow cavity (17) at one end near the first positioning rod (21). A connecting pipe (18) is provided in the middle of the hollow cavity (17). An inlet pipe (24) and a drain pipe (16) are provided in the middle of the calender roll body (9). One end of the drain pipe (16) extends into the hollow cavity (17). The inlet pipe (24) is connected to the connecting pipe (18). Heat exchange pipes (23) are evenly arranged in the inner cavity of the calender roll body (9). One end of the heat exchange pipe (23) is connected to the inlet pipe (24), and the other end of the heat exchange pipe (23) is connected to the drain pipe (16).

6. The PS film processing calendering roll structure according to claim 5, characterized in that: The first positioning rod (21) is movably fitted with an outer tube (7) in the middle. The outer tube (7) is adapted to the hollow cavity (17). The middle of the inner cavity of the outer tube (7) is connected to a coolant inlet pipe (8). The coolant inlet pipe (8) is adapted to the connecting pipe (18). The ends of the outer tube (7) and the coolant inlet pipe (8) that are away from the moving suction cup (5) both extend to the outside of the moving end of the moving structure (2). The end of the outer tube (7) that is away from the moving suction cup (5) is connected to a coolant outlet pipe (14).

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