CN219903043U - Solid silica gel calender - Google Patents

Abstract

The utility model discloses a solid silica gel calender, which is characterized in that a silica gel feeding assembly is arranged right above the butt joint position of a movable extrusion roller and a calendering extrusion roller, so that a silica gel feeding hopper with uniform feeding is constructed, and in the vertical feeding process, a silica gel film layer with uniform thickness and no axial elastic bending deformation is extruded and formed through the movable extrusion roller and the calendering extrusion roller; through transversely just setting up movable squeeze roll and calendering squeeze roll and just setting up calendering squeeze roll and calendering driven voller from top to bottom, constitute extrusion shaping silica gel membrane layer and will superpose in the extrusion blowing calendering mechanism that the silica gel membrane layer was calendered, the cooperation calendering squeeze roll is at the rotation in-process to the sticky tape of silica gel membrane layer, realize synchronous extrusion shaping silica gel membrane layer and carry out the calendering of silica gel membrane layer and membrane substrate, smooth and easy and the calendering shaping membrane thickness of calendering is even, the yield is high, easily produce axial elastic bending deformation problem when having solved solid-state silica gel calendering film rete.

Description

Solid silica gel calender

Technical Field

The utility model relates to the technical field of calendaring equipment, in particular to a solid silica gel calendaring machine.

Background

The calender is composed of two or more rollers, which are combined according to a set mode to calender the material to be processed. In the related art, the operation modes of a calender can be classified into cold pressing and hot pressing, and the cold pressing calender is suitable for materials that do not require heating, for example: graphite film, graphite sheet, wave-absorbing material, shielding material, magnetic material, nonferrous metal material. Hot pressing is a process that will, for example, at a certain temperature: and the rubber, silica gel, silicone rubber, phase change material, PTFE or plastic is pressed and expanded into a film layer with a certain thickness and surface shape, and the rolled film layer is coated on a substrate material (such as fiber curtain canvas and wirecurtain).

In the related art, equipment that carries out calendering to solid-state silica gel carries out the pay-off through screw feeder, though screw feeder can carry silica gel to the compression roller subassembly on, nevertheless can aim at fixed position because of the discharge gate to concentrate in one place after causing the silica gel feed, and the compression roller subassembly presses the silica gel, the silica gel that concentrates the material loading department is more and cause the film rete that the calendering is thicker, peripheral thinner, the whole thickness of film rete is inconsistent, namely the compression roller subassembly delay can cause the film rete to produce axial elastic bending deformation, the section thickness is inhomogeneous in the film rete width direction of calendering, the intermediate thickness is big, both sides thickness is little.

Aiming at the problem that the solid silica gel in the prior art is easy to generate axial elastic bending deformation when calendering a film layer of a film, an effective solution is not proposed yet.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a solid silica gel calender to at least solve the problem that the solid silica gel calender film is easy to generate axial elastic bending deformation in the related art.

The technical scheme adopted by the utility model is that the solid silica gel calender comprises a frame, wherein a film substrate unreeling mechanism and at least one extrusion unreeling and calendaring mechanism are arranged on the frame, and the film substrate unreeling mechanism is used for unreeling a film substrate onto a calendaring driven roller of the extrusion unreeling and calendaring mechanism; the extrusion discharging calendaring mechanism further comprises a movable extrusion roller, a calendaring extrusion roller and a silica gel feeding component, wherein the movable extrusion roller and the calendaring extrusion roller are transversely and oppositely arranged, the silica gel feeding component is arranged right above the butt joint position of the movable extrusion roller and the calendaring extrusion roller, the movable extrusion roller and the calendaring extrusion roller extrude solid silica gel fed by the silica gel feeding component into a silica gel film layer in the driven reverse rotation process, and the calendaring extrusion roller is further used for sticking the extruded silica gel film layer onto a film substrate positioned on the calendaring driven roller; the rolling extrusion roller and the rolling driven roller are arranged vertically and oppositely, and the rolling extrusion roller and the rolling driven roller are driven to roll the silica gel film layer overlapped on the film substrate in the reverse rotation process.

In some embodiments, the film substrate unreeling mechanism comprises two supporting cross arms connected with the lateral side walls of the frame respectively, one of the two supporting cross arms is provided with a mounting seat connected with the supporting cross arm in a rotating way, the mounting seat is connected with one axial end of a unreeling force shaft arranged transversely through a first bearing, the unreeling force shaft is in transmission connection with an unreeling driving assembly after penetrating through the mounting seat, the other axial end of the unreeling force shaft is provided with a second bearing, the second bearing is movably clamped with the other supporting cross arm so that the unreeling force shaft is movably connected with the corresponding supporting cross arm, the film substrate unreeling mechanism further comprises a plurality of unreeling driven rollers arranged between the film substrate unreeling mechanism and the extrusion unreeling mechanism, and the unreeling driven rollers are connected with the lateral side walls of the frame through shaft pins, wherein the unreeling driving assembly is used for transmitting the unreeling force shaft to rotate and pulling the film substrate to the driven rollers through matching with the unreeling guide driven rollers and the calendared driven rollers.

In some of these embodiments, the unwind drive assembly comprises one of: torque motor, servo motor.

In some embodiments, the installation groove is formed in the position, matched with the movable extrusion roller, of the transverse side wall, first sliding grooves are formed in the top end and the bottom end of the installation groove, first sliding wedges capable of sliding movably are arranged in the first sliding grooves, the two first sliding wedges are connected with the movable extrusion roller through first bearing seats, the first sliding wedges are further in transmission connection with first transmission components arranged on the transverse side wall, and the first transmission components are used for transmitting the corresponding first sliding wedges to slide along the corresponding first sliding grooves and drive the movable extrusion roller to move towards or away from the calendaring extrusion roller so as to adjust the distance between the movable extrusion roller and the calendaring extrusion roller and adjust the thickness of the extruded silica gel film.

In some embodiments, a first transmission gear is further arranged at one axial end of the movable extrusion roller penetrating through the lateral side wall, the first transmission gear is in transmission connection with a second transmission assembly arranged on the frame through a chain, and the second transmission assembly is used for transmitting the movable extrusion roller to rotate through the chain and the first transmission gear so as to cooperate with the calendaring extrusion roller to extrude solid silica gel fed by the silica gel feeding assembly into a silica gel film layer.

In some embodiments, the first transmission assembly comprises a ball screw, a ball nut of the ball screw is connected with the first sliding wedge, the screw of the ball screw is in transmission connection with an output shaft of a first driving motor through a first coupler and a first speed reducer, the first driving motor drives the screw to rotate through the first speed reducer and the first coupler so as to drive the ball nut to slide relative to the screw to drive the first sliding wedge to slide, and/or,

the second transmission assembly comprises a second driving motor, a first sprocket is arranged on a conveying shaft of the second driving motor, the first sprocket is in transmission connection with the first transmission gear through a chain, and the second driving motor is in transmission with the movable extrusion roller through the first sprocket, the chain and the first transmission gear.

In some embodiments, a second transmission gear is arranged at one axial end of the rolling extrusion roller penetrating through the lateral side wall, the second transmission gear is in transmission connection with a third transmission assembly arranged on the frame through a chain, a third transmission gear is further arranged at the other axial end of the rolling extrusion roller penetrating through the lateral side wall, the third transmission gear is further in meshed connection with a fourth transmission gear arranged at one axial end of the rolling extrusion roller, the third transmission assembly is used for transmitting rotation of the rolling extrusion roller through the chain and the second transmission gear, and the rolling extrusion roller is further in reverse rotation of the rolling extrusion roller relative to the rolling extrusion roller through the meshed third transmission gear and fourth transmission gear, so that solid silica gel fed by the silica gel feeding assembly is extruded into a silica gel film layer.

In some embodiments, an installation space is formed in the transverse side wall at a position matched with the setting position of the rolling driven roller, a second sliding groove is formed in the installation space, a second sliding wedge block capable of sliding vertically is arranged in the second sliding groove, the two second sliding wedge blocks are connected with the rolling driven roller through second bearing gears, the second sliding wedge block is further in transmission connection with a fourth transmission assembly arranged on the transverse side wall, the fourth transmission assembly is used for transmitting the corresponding second sliding wedge block to slide along the corresponding second sliding groove and driving the rolling driven roller to move towards or away from the rolling extrusion roller so as to enable the third transmission gear to be meshed with or separated from the fourth transmission gear, and the interval between the rolling driven roller and the rolling extrusion roller is adjusted.

In some embodiments, the third transmission assembly comprises a third driving motor, a second sprocket is arranged on a conveying shaft of the third driving motor, the second sprocket is in transmission connection with the second transmission gear through the chain, the third driving motor drives the calendaring extrusion roller to rotate through the second sprocket, the chain and the second transmission gear, and/or,

the fourth transmission assembly comprises a ball screw pair, a ball nut of the ball screw pair is connected with the second sliding wedge, a screw rod of the ball screw pair is in transmission connection with an output shaft of a fourth driving motor through a second coupler and a second speed reducer, and the fourth driving motor drives the screw rod of the ball screw pair to rotate through the second speed reducer and the second coupler so as to drive the ball nut of the ball screw pair to slide relative to the screw rod of the ball screw pair to drive the second sliding wedge to slide.

In some embodiments, the silica gel feeding assembly comprises two vertical plates which are respectively arranged on two lateral sides of the frame and connected with the lateral side walls, the two vertical plates are further connected through a screw pair, two grid plates which can slide along the screw pair are sleeved on the screw pair, the two grid plates are further respectively connected with hand-operated wheels arranged on the corresponding vertical plates through transmission ball screws, the vertical lower ends of the grid plates, which are connected with the screw pair, are deviated from a feeding baffle, and the two feeding baffle, the movable squeeze rollers and the circumference outer side walls of the calendaring squeeze rollers are gathered to form a silica gel feeding hopper.

Compared with the prior art, the solid silica gel calender has the beneficial effects that the solid silica gel calender comprises a frame, wherein a film substrate unreeling mechanism and at least one extrusion unreeling calendaring mechanism are arranged on the frame, and the film substrate unreeling mechanism is used for unreeling a film substrate onto a calendaring driven roller of the extrusion unreeling calendaring mechanism; the extrusion discharging calendaring mechanism further comprises a movable extrusion roller, a calendaring extrusion roller and a silica gel feeding component, wherein the movable extrusion roller and the calendaring extrusion roller are transversely and oppositely arranged, the silica gel feeding component is arranged right above the butt joint position of the movable extrusion roller and the calendaring extrusion roller, the movable extrusion roller and the calendaring extrusion roller extrude solid silica gel fed by the silica gel feeding component into a silica gel film layer in the driven reverse rotation process, and the calendaring extrusion roller is further used for sticking the extruded silica gel film layer onto a film substrate positioned on the calendaring driven roller; the rolling extrusion roller and the rolling driven roller are arranged vertically and oppositely, and the rolling extrusion roller and the rolling driven roller roll the silica gel film layer overlapped on the film substrate in the driven reverse rotation process; according to the solid silica gel calender, the silica gel feeding assembly is arranged right above the butt joint position of the movable extrusion roller and the calendering extrusion roller, so that a silica gel feeding hopper with uniform feeding is constructed, and in the feeding process in the vertical direction, a silica gel film layer with uniform thickness and no axial elastic bending deformation is extruded and formed through the movable extrusion roller and the calendering extrusion roller; meanwhile, the movable extrusion roller and the rolling extrusion roller are transversely and oppositely arranged, and the rolling extrusion roller and the rolling driven roller are vertically and oppositely arranged, so that an extrusion molding silica gel film layer and an extrusion discharging rolling mechanism for rolling the silica gel film layer overlapped on the film substrate unreeled by the film substrate unreeling mechanism are formed, and the problem that axial elastic bending deformation is easy to occur when the solid silica gel rolling film layer in the related art is solved by matching with a sticky tape of the rolling extrusion roller to the silica gel film layer in the rotating process, so that the simultaneous extrusion molding of the silica gel film layer and the rolling of the silica gel film layer and the film substrate are realized, the rolling is smooth, the thickness of the rolling molding film is uniform, and the yield is high.

Drawings

FIG. 1 is a schematic view of a solid silica gel calender according to an embodiment of the present utility model;

FIG. 2 is another schematic view of a solid silica gel calender according to an embodiment of the utility model;

FIG. 3 is a schematic perspective view of a film substrate unreeling mechanism of an embodiment of the present utility model;

fig. 4 is a schematic perspective view of an extrusion, discharging and calendaring mechanism according to an embodiment of the utility model;

fig. 5 is a schematic diagram showing a three-dimensional structure of an extrusion, discharging and calendaring mechanism according to an embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a solid silica gel calender, which includes a frame 100, a film substrate unreeling mechanism 200 and at least one extrusion unreeling calendaring mechanism 300 are disposed on the frame 100, wherein,

the film substrate unreeling mechanism 200 is used for unreeling the film substrate onto the calendaring driven roller 31 of the extrusion unreeling calendaring mechanism 300.

In this embodiment, the film substrate unreeling mechanism 200 also performs auxiliary unreeling by the traction power provided by the calendaring driven roller 31 of the extrusion unreeling calendaring mechanism 300 during unreeling of the film substrate, so that the film substrate is smoothly unreeled and fed to the calendaring driven roller 31.

The extrusion, discharging and calendaring mechanism 300 further comprises a movable squeeze roller 32, a calendaring squeeze roller 33 and a silica gel feeding assembly 34, wherein,

the movable extrusion roller 32 and the calendaring extrusion roller 33 are transversely arranged right above the butt joint position of the movable extrusion roller 32 and the calendaring extrusion roller 33, the movable extrusion roller 32 and the calendaring extrusion roller 33 are driven to rotate oppositely, solid silica gel vertically fed by the silica gel feeding assembly 34 is extruded into a silica gel film, and the calendaring extrusion roller 33 is further used for adhering the extruded silica gel film to a film substrate positioned on the calendaring driven roller 31.

In this embodiment, the silica gel feeding assembly 34, the movable squeeze roller 32 and the calendaring squeeze roller 33 are enclosed on the circumferential outer side wall to form a silica gel feeding hopper for feeding uniformly, and the silica gel feeding hopper can uniformly disperse the fixed silica gel in the silica gel feeding hopper in the feeding process, so that the silica gel film layer extruded by the movable squeeze roller 32 and the calendaring squeeze roller 33 is uniform in preservation thickness, uneven section thickness in the width direction does not occur, the middle thickness is large, and the thickness of two sides is small; in this embodiment, after the movable extrusion roller 32 and the extrusion roller 33 extrude the formed silicone film layer, the extrusion roller 33 rotates anticlockwise, the silicone film layer will walk along with the extrusion roller 33 when being extruded, and the centripetal force generated by the anticlockwise rotation of the extrusion roller 33 will promote the silicone film layer and the extrusion roller 33 to adhere, and then be transferred between the gaps between the extrusion roller 33 and the driven roller 31.

The calendering extrusion roller 33 and the calendering driven roller 31 are arranged vertically opposite to each other, and the calendering extrusion roller 33 and the calendering driven roller 31 calender the silica gel film layer superposed on the film substrate in the process of being driven to rotate reversely.

In this embodiment, after the silicone film layer is adhered to the roll extrusion roller 33 and is transferred between the gaps between the roll extrusion roller 33 and the roll extrusion roller 31, the silicone film layer is stacked with the film substrate, that is, the silicone film layer is disposed on the film substrate, at this time, the roll extrusion roller 33 and the roll extrusion roller 31 synchronously rotate in opposite directions (the roll extrusion roller 33 rotates anticlockwise, matches the requirement of the extrusion molding silicone film layer, the roll extrusion roller 31 rotates clockwise, matches the requirement of the film substrate which is drawn and unreeled), and the silicone film layer is rolled onto the film substrate to complete the hanging of the adhesive, and meanwhile, the secondary uniform pressing of the thickness of the rolled product is also realized.

In the solid silica gel calender, the silica gel feeding component 34 is arranged right above the butt joint position of the movable extrusion roller 32 and the calendering extrusion roller 33, so that a silica gel feeding hopper with uniform feeding is constructed, and in the feeding process in the vertical direction, a silica gel film layer with uniform thickness and no axial elastic bending deformation is extruded and formed through the movable extrusion roller 32 and the calendering extrusion roller 33; meanwhile, through transversely arranging the movable extrusion roller 32 and the extrusion roller 33 right opposite to each other and vertically arranging the extrusion roller 33 and the extrusion driven roller 31 right opposite to each other, an extrusion silica gel film layer and an extrusion discharging and rolling mechanism 300 for rolling the silica gel film layer overlapped on the film substrate unreeled by the film substrate unreeling mechanism 200 are formed, the adhesive tape of the silica gel film layer is matched with the extrusion roller 33 in the rotating process, synchronous extrusion of the silica gel film layer and rolling of the silica gel film layer and the film substrate are realized, rolling is smooth, the thickness of the rolled film is uniform, the yield is high, and the problem that axial elastic bending deformation is easy to occur when solid silica gel rolls the film layer in the related art is solved.

It should be noted that, in some alternative embodiments, the number of extrusion blow-rolling mechanisms 300 may be set according to the requirement, for example, when a plurality of silicone film layers need to be rolled, a plurality of extrusion blow-rolling mechanisms 300 may be provided, and at the same time, when a plurality of extrusion blow-rolling mechanisms 300 are provided, a matched film substrate unreeling mechanism 200 may be provided.

In order to unwind the film substrate, in some embodiments, referring to fig. 1 to 3, the film substrate unwinding mechanism 200 includes two supporting cross arms 21 respectively connected to the lateral side wall 101 of the frame 100, one of the two supporting cross arms 21 is provided with a mounting seat 22 rotatably connected thereto, the mounting seat 22 is connected to one axial end of an unwinding shaft 24 transversely arranged through a first bearing 23, the unwinding shaft 24 is in driving connection with an unwinding driving assembly 25 after penetrating through the mounting seat 22, the other axial end of the unwinding shaft 24 is provided with a second bearing 26, the second bearing 26 is movably clamped with the other supporting cross arm 21 so that the unwinding shaft 24 is movably connected with the corresponding supporting cross arm 21, the film substrate unwinding mechanism 200 further includes a plurality of unwinding driven rollers 27 disposed between the film substrate unwinding mechanism 200 and the extrusion unwinding calendaring mechanism 300, the plurality of unwinding driven rollers 27 are connected to the lateral side wall 101 of the frame 100 through shaft pins 28,

when the unreeling force shaft 24 is separated from the other supporting cross arm 21, the mounting seat 22 is used as a rotation center to rotate the unreeling force shaft 24, so that the film substrate can be fed and discharged conveniently, namely when the film substrate is unreeled and needs to be reloaded, one axial end of the unreeled force shaft 24 is separated from the other supporting cross arm 21, namely the second bearing 26 is separated from the other supporting cross arm 21, meanwhile, the mounting seat 22 is rotated, so that the unreeled force shaft 24 is rotated for at least 90 degrees, the film substrate is reloaded beside the frame 100, after the feeding is completed, the mounting seat 22 is reversely rotated to the unreeled force shaft 24 to be transversely put, the second bearing 26 is clamped and fixed with the other supporting cross arm 21, and the unreeled force shaft 24 can be unreeled again.

The unreeling driving assembly 25 is used for transmitting the unreeling force shaft 24 to rotate, and unreels the film substrate to the calendaring driven roller 31 by matching the guidance of the unreeling driven roller 27 and the traction of the calendaring driven roller 31.

In this embodiment, the unreeling driving assembly 25 drives the unreeling force shaft 24 to rotate, the film substrate is unreeled, and after the film substrate is unreeled from the unreeled force shaft 24, the film substrate is wound around or wound around the unreeled roller 27, and is further output forward along the unreeling direction.

In this embodiment, the unreeling driving assembly 25 which is capable of transmitting the rotation of the unreeling force shaft 24 is suitable for the unreeling driving assembly of the embodiment of the present utility model, for example: the unreeling driving assembly 25 can select a torque motor and a servo motor.

In order to adjust the distance between the movable squeeze roll 32 and the calendaring squeeze roll 33 to adapt to the thickness adjustment of the extrusion molding silica gel film layer, in some embodiments, referring to fig. 1, 2, 4 and 5, a mounting groove 102 is provided on the lateral side wall 101 at a position matching the movable squeeze roll 32, first sliding grooves 35 are provided at the top and bottom ends of the mounting groove 102, a first sliding wedge 36 capable of sliding movably is provided in the first sliding groove 35, both first sliding wedges 36 are connected with the movable squeeze roll 32 through a first bearing seat 37, the first sliding wedge 36 is further connected with a first transmission assembly 38 provided on the lateral side wall 101 in a transmission manner, wherein,

the first transmission assembly 38 is used for transmitting the corresponding first sliding wedges 36 to slide along the corresponding first sliding grooves 35 and driving the movable extrusion roller 32 to move towards or away from the calendaring extrusion roller 33, so as to adjust the distance between the movable extrusion roller 32 and the calendaring extrusion roller 33 and adjust the thickness of the extruded silica gel film.

In some alternative embodiments, to realize that the first sliding wedges 36 are driven to slide along the corresponding first sliding grooves 35, referring to fig. 4 and 5, the first driving assembly 38 includes a ball screw 381, a ball nut 382 of the ball screw 381 is connected to the first sliding wedges 36, a screw 383 of the ball screw 381 is in driving connection with an output shaft of the first driving motor 386 through a first coupler 384 and a first speed reducer 385, and the first driving motor 386 drives the screw 383 to rotate through the first speed reducer 385 and the first coupler 384, so as to drive the ball nut 382 to slide relative to the screw 383 to drive the first sliding wedges 36 to slide.

In order to drive the movable extrusion roller 32 to rotate to extrude the solid silica gel film layer, referring to fig. 1, 2 and 4 to 5, in some embodiments, a first transmission gear 39 is further disposed at an axial end of the movable extrusion roller 32 penetrating through the lateral sidewall 101, and the first transmission gear 39 is in transmission connection with a second transmission assembly 310 disposed on the frame 100 through a chain (not assembled in the drawing), where the second transmission assembly 310 is used to drive the movable extrusion roller 32 to rotate through the chain and the first transmission gear 39, so as to cooperate with the calendaring extrusion roller 33 to extrude the solid silica gel fed by the silica gel feeding assembly 34 into the silica gel film layer.

In some alternative embodiments, in order to realize the rotation of the movable extrusion roller 32 and further perform extrusion molding on the silica gel, the second transmission assembly 310 comprises a second driving motor, a first sprocket 311 is arranged on a conveying shaft of the second driving motor, the first sprocket 311 is in transmission connection with the first transmission gear 39 through a chain, and the second driving motor drives the movable extrusion roller 32 to rotate through the first sprocket 311, the chain and the first transmission gear 39.

To achieve that the calendering extrusion roller 33 is meshed with the calendering driven roller 31, and in the process that the calendering extrusion roller 33 is driven to rotate, the calendering driven roller 31 is driven to rotate synchronously and reversely to extrude solid silicone fed by the silicone feeding assembly 34 into a silicone film layer, referring to fig. 1, 2 and 4 and 5, in some embodiments, a second transmission gear (312) is arranged at one axial end of the calendering extrusion roller (33) penetrating through the lateral side wall (101), the second transmission gear 312 is in transmission connection with a third transmission assembly 313 arranged on the frame 100 through a chain, a third transmission gear (314) is also arranged at the other axial end of the calendering extrusion roller 33 penetrating through the lateral side wall 101, the third transmission gear 314 is also in transmission connection with a fourth transmission gear 315 arranged on one axial end of the calendering driven roller 31, wherein the third transmission assembly 313 is used for transmitting the rotation of the calendering extrusion roller 33 through the chain and the second transmission gear 312, and the calendering extrusion roller 33 is also driven to rotate reversely to rotate relative to the calendering driven roller 31 through the meshed third transmission gear 314 and fourth transmission gear 315 to extrude the solid silicone fed by the silicone feeding assembly 34 into the silicone film layer.

In some alternative embodiments, to realize the rotation of the calendaring extrusion roller 33, the third transmission assembly 313 includes a third driving motor, a second sprocket 324 is disposed on a conveying shaft of the third driving motor, the second sprocket 324 is in transmission connection with the second transmission gear 312 through a chain, and the third driving motor drives the calendaring extrusion roller 33 to rotate through the second sprocket 324, the chain and the second transmission gear 312.

In order to drive the calendaring extrusion roller 33 to rotate and extrude the solid silica gel film layer, the distance between the calendaring driven roller (31) and the calendaring extrusion roller (33) is adjusted, referring to fig. 1, 2 and 4 and 5, in some embodiments, an installation space 103 is provided on the lateral side wall 101 at a position matching the calendaring driven roller 31, a second sliding chute 316 is provided in the installation space 103, a second sliding wedge 317 capable of sliding vertically is provided in the second sliding chute 316, both second sliding wedges 317 are connected with the calendaring driven roller 31 through a second bearing seat 318, the second sliding wedge 317 is further in transmission connection with a fourth transmission assembly 319 provided on the lateral side wall 101, wherein the fourth transmission assembly 319 is used for transmitting the corresponding second sliding wedge 317 to slide along the corresponding second sliding chute 316 and drive the calendaring driven roller 31 to move towards or away from the calendaring extrusion roller 33 so as to engage or separate the third transmission gear 314 and the fourth transmission gear 315, and adjust the distance between the calendaring driven roller 31 and the calendaring driven roller 31.

To realize the transmission of the second sliding wedges 317 to slide along the corresponding second sliding grooves 316, referring to fig. 4 and 5, the fourth transmission assembly 319 includes a ball screw pair 320, a ball nut of the ball screw pair 320 is connected to the second sliding wedges 317, a screw of the ball screw pair 320 is in transmission connection with an output shaft of a fourth driving motor 323 through a second coupling 321 and a second speed reducer 322, and the fourth driving motor 323 transmits the rotation of the screw of the ball screw pair 320 through the second speed reducer 322 and the second coupling 321 to drive the ball nut of the ball screw pair 320 to slide relative to the screw of the ball screw pair 320 so as to drive the second sliding wedges 317 to slide.

To achieve the silica gel hopper for forming uniform feeding, referring to fig. 1, 2, 4 and 5, in some embodiments, the silica gel feeding assembly 34 includes two vertical plates 341 which are separately disposed at two lateral sides of the frame 100 and connected with the lateral side wall 101, the two vertical plates 341 are further connected through a screw pair 342, two grid plates 343 capable of sliding along the screw pair 342 are sleeved on the screw pair 342, the two grid plates 343 are further in transmission connection with hand wheels 345 disposed on the corresponding vertical plates 341 through transmission ball screws 344, a feeding baffle 346 is further disposed at a vertical lower end of the grid plates 343, which is away from the connection with the screw pair 342, and the circumferential outer side walls of the two feeding baffle 346, the movable squeeze roller 32 and the calendaring squeeze roller 33 are enclosed to form the silica gel feeding hopper.

In this embodiment, the space between the two grid plates 343 can be adjusted by matching the hand crank wheel 345 with the transmission ball screw 344, so as to adjust the width of the silica gel feeding hopper, and meanwhile, it needs to be further explained that the width of the silica gel feeding hopper in the embodiment of the utility model is matched with the width of the extruded silica gel film layer, and the silica gel feeding hopper formed by enclosing is adopted to feed silica gel uniformly, so that the problem that the thickness of the cross section of the width direction of the extruded silica gel film layer is inconsistent due to the concentration of the silica gel feeding is avoided.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that suitable modifications and variations of the above embodiments are within the scope of the utility model as claimed.

Claims (10)

1. The solid silica gel calender comprises a frame (100), and is characterized in that the frame (100) is provided with a film substrate unreeling mechanism (200) and at least one extrusion unreeling calendaring mechanism (300), wherein,

the film substrate unreeling mechanism (200) is used for unreeling the film substrate onto a calendaring driven roller (31) of the extrusion unreeling calendaring mechanism (300);

the extrusion, discharging and calendaring mechanism (300) further comprises a movable squeeze roller (32), a calendaring squeeze roller (33) and a silica gel feeding component (34), wherein,

the movable extrusion roller (32) and the calendaring extrusion roller (33) are transversely and oppositely arranged, the silica gel feeding assembly (34) is arranged right above the butt joint position of the movable extrusion roller (32) and the calendaring extrusion roller (33), the movable extrusion roller (32) and the calendaring extrusion roller (33) extrude solid silica gel fed by the silica gel feeding assembly (34) into a silica gel film layer in the driven reverse rotation process, and the calendaring extrusion roller (33) is also used for adhering the extruded silica gel film layer to a film substrate positioned on the calendaring driven roller (31);

the rolling extrusion roller (33) and the rolling driven roller (31) are arranged vertically opposite to each other, and the rolling extrusion roller (33) and the rolling driven roller (31) roll a silica gel film layer overlapped on a film substrate in the driven reverse rotation process.

2. The solid silica gel calender according to claim 1, wherein the film substrate unreeling mechanism (200) comprises two supporting cross arms (21) connected with the transverse side walls (101) of the frame (100) respectively, one of the two supporting cross arms (21) is provided with a mounting seat (22) rotatably connected with the supporting cross arm, the mounting seat (22) is connected with one axial end of a transversely arranged unreeling force shaft (24) through a first bearing (23), the unreeling force shaft (24) is in transmission connection with an unreeling driving assembly (25) after penetrating through the mounting seat (22), the other axial end of the unreeling force shaft (24) is provided with a second bearing (26), the second bearing (26) is movably clamped with the other supporting cross arm (21) so that the unreeling force shaft (24) is movably connected with the corresponding supporting cross arm (21), the film substrate unreeling mechanism (200) further comprises a plurality of unreeling driven rollers (27) arranged between the film unreeling mechanism (200) and the extrusion material unreeling mechanism (300), the plurality of the driven rollers (27) are connected with the transverse side walls (101) through a plurality of the driven rollers (28),

the unreeling driving assembly (25) is used for transmitting the unreeling force shaft (24) to rotate and unreeling the film substrate to the calendaring driven roller (31) by matching with the guidance of the unreeling driven roller (27) and the traction of the calendaring driven roller (31).

3. The solid silica gel calender of claim 2 wherein the unwind drive assembly comprises one of: torque motor, servo motor.

4. The solid silica gel calender according to claim 2, wherein a mounting groove (102) is formed in the position of the lateral side wall (101) where the movable extrusion roller (32) is arranged, first sliding grooves (35) are formed in the top end and the bottom end of the mounting groove (102), first sliding wedges (36) capable of sliding movably are formed in the first sliding grooves (35), the two first sliding wedges (36) are connected with the movable extrusion roller (32) through first bearing seats (37), the first sliding wedges (36) are further in transmission connection with a first transmission assembly (38) arranged on the lateral side wall (101), and the first transmission assembly (38) is used for transmitting the corresponding first sliding wedges (36) to slide along the corresponding first sliding grooves (35) and driving the movable extrusion roller (32) to move towards or away from the calendering extrusion roller (33) so as to adjust the distance between the movable extrusion roller (32) and the calendering extrusion roller (33) and the extrusion film layer of the thickness of the extruded silica gel.

5. The solid silica gel calender as claimed in claim 4, wherein a first transmission gear (39) is further arranged at one axial end of the movable extrusion roller (32) penetrating through the lateral side wall (101), the first transmission gear (39) is in transmission connection with a second transmission assembly (310) arranged on the frame (100) through a chain, and the second transmission assembly (310) is used for transmitting the movable extrusion roller (32) to rotate through the chain and the first transmission gear (39) so as to match the calendering extrusion roller (33) to extrude the solid silica gel fed by the silica gel feeding assembly (34) into a silica gel film layer.

6. The solid silica gel calender according to claim 5, wherein the first transmission assembly (38) comprises a ball screw (381), a ball nut (382) of the ball screw (381) is connected with the first sliding wedge (36), a screw (383) of the ball screw (381) is in transmission connection with an output shaft of a first driving motor (386) through a first coupler (384) and a first speed reducer (385), the first driving motor (386) transmits the screw (383) to rotate through the first speed reducer (385) and the first coupler (384) so as to drive the ball nut (382) to slide relative to the screw (383) to drive the first sliding wedge (36) to slide, and/or,

the second transmission assembly (310) comprises a second driving motor, a first sprocket (311) is arranged on a conveying shaft of the second driving motor, the first sprocket (311) is in transmission connection with the first transmission gear (39) through a chain, and the second driving motor is in transmission with the first transmission gear (39) through the first sprocket (311) to rotate the movable extrusion roller (32).

7. The solid silica gel calender according to claim 2, wherein the calendering extrusion roller (33) penetrates through one axial end of the lateral side wall (101) and is provided with a second transmission gear (312), the second transmission gear (312) is in transmission connection with a third transmission assembly (313) arranged on the frame (100) through a chain, the calendering extrusion roller (33) penetrates through the other axial end of the lateral side wall (101) and is further provided with a third transmission gear (314), the third transmission gear (314) is further in meshed connection with a fourth transmission gear (315) arranged on one axial end of the calendering driven roller (31), the third transmission assembly (313) is used for transmitting the calendering extrusion roller (33) to rotate through the chain and the second transmission gear (312), and the calendering extrusion roller (33) is further transmitted to reversely rotate relative to the calendering driven roller (31) through the meshed third transmission gear (314) and fourth transmission gear (315) so as to extrude the solid silica gel fed by the silicone feeding assembly (34) into a film layer.

8. The solid silica gel calender according to claim 7, wherein an installation space (103) is arranged on the transverse side wall (101) at a position matched with the calendering driven roller (31), a second sliding groove (316) which is vertically arranged is arranged in the installation space (103), a second sliding wedge block (317) capable of vertically sliding is arranged in the second sliding groove (316), two second sliding wedge blocks (317) are connected with the calendering driven roller (31) through a second bearing seat (318), the second sliding wedge blocks (317) are further in transmission connection with a fourth transmission assembly (319) arranged on the transverse side wall (101), and the fourth transmission assembly (319) is used for transmitting the corresponding second sliding wedge blocks (317) to slide along the corresponding second sliding grooves (316) and drive the calendering driven roller (31) to move towards or away from the calendering extrusion roller (33) so as to enable the third transmission gear (314) and the fourth transmission gear (315) to be meshed or separated, and the calendering driven roller (31) is adjusted to be meshed with the extrusion roller (33).

9. The solid silica gel calender according to claim 8, wherein,

the third transmission assembly (313) comprises a third driving motor, a second chain wheel (324) is arranged on a conveying shaft of the third driving motor, the second chain wheel (324) is in transmission connection with the second transmission gear (312) through a chain, the third driving motor drives the calendaring extrusion roller (33) to rotate through the second chain wheel (324), the chain and the second transmission gear (312), and/or,

the fourth transmission assembly (319) comprises a ball screw pair (320), a ball nut of the ball screw pair (320) is connected with the second sliding wedge (317), a screw rod of the ball screw pair (320) is in transmission connection with an output shaft of a fourth driving motor (323) through a second coupler (321) and a second speed reducer (322), and the fourth driving motor (323) is used for transmitting the screw rod of the ball screw pair (320) to rotate through the second speed reducer (322) and the second coupler (321) so as to drive the ball nut of the ball screw pair (320) to slide relative to the screw rod of the ball screw pair (320) to drive the second sliding wedge (317) to slide.

10. The solid silica gel calender according to claim 2, wherein the silica gel feeding assembly (34) comprises two vertical plates (341) which are respectively arranged at two lateral sides of the frame (100) and connected with the lateral side walls (101), the two vertical plates (341) are further connected through a screw pair (342), two grid plates (343) capable of sliding along the screw pair (342) are sleeved on the screw pair (342), the two grid plates (343) are further respectively connected with hand shaking wheels (345) arranged on the corresponding vertical plates (341) through transmission ball screws (344), feeding baffle plates (346) are further arranged at the vertical lower ends of the grid plates (343) which are far away from the screw pair (342), and the two feeding baffle plates (346), the movable extrusion rollers (32) and the circumferential outer side walls of the calendering rollers (33) are enclosed to form a silica gel feeding hopper.