Dry-method rolling film forming equipment

Abstract

The utility model relates to the technical field of dry-method pole piece rolling film forming, in particular to dry-method rolling film forming equipment which comprises a rack, two vertical plates are arranged on the rack at intervals; the rolling mechanism comprises a first pressing roller, a second pressing roller and a third pressing roller; the first pressing roller, the second pressing roller and the third pressing roller are rotationally connected between the two vertical plates; the first pressing roller and the second pressing roller are both located on the peripheral side of the third pressing roller and used for being matched with the third pressing roller to extrude materials into membranes; the first pressing roller, the second pressing roller and the third pressing roller are arranged in a triangular shape; and the driving mechanism is arranged on the rack, the output end of the driving mechanism is connected with the rolling mechanism, and the driving mechanism is used for driving the first pressing roller, the second pressing roller and the third pressing roller to rotate. The technical problems that the film forming effect is poor after rolling of a rolling module in existing dry method experiment type rolling equipment, discontinuous films and materials need to be manually and repeatedly fed and rolled for multiple times, and the efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry method pole piece roll press film forming technical field, concretely relates to a dry method roll press film forming equipment. BACKGROUND

[0002] Dry coating technology is a coating process carried out without solvent or moisture, which has been widely used in various industries, especially in the field of battery manufacturing. It is one of the advanced manufacturing technologies for lithium-ion batteries and solid-state batteries. Dry coating process does not require additional drying steps, reducing energy consumption and improving production efficiency. It can achieve uniform and dense coating, improving the physical properties and chemical stability of the product. Dry method roll press process is one of the key technologies in dry coating technology, which often needs to rely on dry coating roll press equipment to implement. In the field of lithium-ion batteries and solid-state batteries, dry coating roll press equipment is used to make electrode materials, such as positive and negative coatings. Dry coating roll press equipment is equipped with an advanced control system that can accurately control coating thickness, speed and other parameters to ensure consistency and stability of production. The roll press function is used to compact the coating material, improve the density and flatness of the coating, and ensure the quality of the coating.

[0003] The existing dry experimental roll press equipment generally includes a roll press module, which includes a first side roller and a second side roller. The material forms a film after single roll pressing by the cooperation of the first side roller and the second side roller. However, the film forming effect after roll pressing by the roll press module is poor, and it is difficult to make a film with a certain shape, thickness and continuous winding at one time. In order to obtain a continuous and windable film, manual re-feeding and multiple roll pressing of the intermittent film and material are usually required, which is low in efficiency. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of dry method roll press film forming equipment, solve the film forming effect after roll pressing of roll press module in the existing dry experimental roll press equipment, need manual re-feeding and multiple roll pressing of intermittent film and material, which is low in efficiency technical problem.

[0005] Therefore, the utility model provides a kind of dry method roll press film forming equipment, comprising:

[0006] A rack is provided with two vertical plates at intervals on the rack;

[0007] A roll press mechanism includes a first press roller, a second press roller and a third press roller. The first press roller, the second press roller and the third press roller are rotatably connected between the two vertical plates. The first press roller and the second press roller are located on the side of the third press roller, which is used to extrude the material into a film with the third press roller. The first press roller, the second press roller and the third press roller are arranged in a triangular shape.

[0008] The driving mechanism is arranged on the frame, and the output ends of the driving mechanism are all drivingly connected to the first pressing roller, the second pressing roller and the third pressing roller, and are used to drive the first pressing roller, the second pressing roller and the third pressing roller to rotate.

[0009] Optionally, both ends of the first pressure roller are connected to the vertical plate through a first bearing seat; the line connecting the axis of the first pressure roller and the axis of the third pressure roller is the first direction; the first bearing seat is slidably connected to the vertical plate along the first direction, and is driven by the first adjusting member to reciprocate along the first direction; both ends of the third pressure roller are connected to the vertical plate through a third bearing seat, and a first elastic member is provided between the first bearing seat and the third bearing seat.

[0010] Optionally, the first adjusting member includes a first screw and a first wedge block, wherein the axial direction of the first screw is perpendicular to the first direction and the first screw is rotatably connected to the vertical plate; the first screw is connected to the first wedge block via a first nut seat, and a first inclined block is provided on the first bearing seat corresponding to the first wedge block, and the first wedge block is adapted to abut against the first inclined block;

[0011] And / or, a first gap detection member is provided on the vertical plate, a detection end of the first gap detection member is connected to the first bearing seat, and is used to detect the gap between the first pressing roller and the third pressing roller;

[0012] And / or, the line connecting the axis of the second pressure roller and the axis of the third pressure roller is in the second direction; both ends of the second pressure roller are connected to the vertical plate through a second bearing seat; the second bearing seat is slidably connected to the vertical plate along the second direction and is driven by a second adjusting member to reciprocate along the second direction; a second elastic member is provided between the second bearing seat and the third bearing seat, and the second adjusting member has the same structure as the first adjusting member;

[0013] And / or, the first pressing roller, the third pressing roller and the second pressing roller are arranged in a right triangle along the feeding direction.

[0014] Optionally, the driving mechanism includes three groups of driving components, and the three groups of driving components are arranged in one-to-one correspondence with the first pressing roller, the second pressing roller and the third pressing roller; the driving component includes a variable frequency motor, and the variable frequency motor is arranged on the frame, and the output end of the variable frequency motor is connected to the first pressing roller, the second pressing roller or the third pressing roller through a telescopic universal joint coupling.

[0015] Optionally, an oil temperature machine is further included, wherein the first pressing roller, the second pressing roller and the third pressing roller are all connected to the oil temperature machine through a rotary joint assembly, and are used to provide hot oil for heating through the oil temperature machine;

[0016] and / or, further comprising a slitting mechanism located at the discharge end of the rolling mechanism; the slitting mechanism comprises a guide rail and at least one set of cutter assembly; the guide rail is connected with the frame, and the guide rail is parallel to the first compression roller; the cutter assembly is slidingly connected on the guide rail for edge cutting the film.

[0017] Optionally, further comprising:

[0018] a winding mechanism connected with the frame and located at the discharge end of the rolling mechanism for winding the film.

[0019] Optionally, the winding mechanism comprises a mounting plate, an inflatable shaft assembly, a tension sensor and a swing roller assembly, the mounting plate is connected with the frame; the inflatable shaft assembly, the tension sensor and the swing roller assembly are all arranged on the mounting plate; the inflatable shaft assembly is used for winding the film, the tension sensor and the swing roller assembly are both located on the winding path of the film, and the tension sensor and the swing roller assembly are in communication connection.

[0020] Optionally, further comprising:

[0021] two sets of material blocking assemblies arranged on the two vertical plates respectively and located at both sides of the discharge end of the rolling mechanism for blocking the material overflow from both sides of the discharge end of the rolling mechanism.

[0022] Optionally, the material blocking assembly comprises a third adjusting piece and a blocking plate; the third adjusting piece is connected with the vertical plate, and the adjusting end of the third adjusting piece is connected with the blocking plate for adjusting the distance between the two blocking plates; the shape of the end of the blocking plate close to the rolling mechanism is adapted to the shape of the discharge end of the rolling mechanism; the adjusting end of the third adjusting piece is connected with the blocking plate through a fourth adjusting piece; the adjusting end of the fourth adjusting piece is connected with the blocking plate for adjusting the height of the blocking plate.

[0023] Optionally, the third adjusting piece comprises a fixed block, an adjusting rod and a locking piece, the fixed block is connected with the vertical plate; the adjusting rod is slidingly arranged on the fixed block along the axial direction of the first compression roller, and the adjusting rod is connected with the fourth adjusting piece; the locking piece is arranged on the fixed block and abuts against the adjusting rod, and the locking piece is threadedly connected with the fixed block;

[0024] And / or, the fourth adjusting member includes a fixing plate, an adjusting screw and a nut; the fixing plate is connected to the output end of the third adjusting member; a plurality of through holes are provided on the fixing plate in the vertical direction, the adjusting screw can slide through the through holes, and the bottom end of the adjusting screw is connected to the baffle; the nut is threadedly connected to the adjusting screw and is located above the fixing plate, for adjusting the height of the baffle.

[0025] The technical solution of this utility model has the following advantages:

[0026] The utility model can perform multiple rolling on the material by arranging the first pressing roller, the second pressing roller and the third pressing roller, thereby ensuring the continuity during the film forming and ensuring that the tangent force generated by the roller surface when squeezing the material is sufficient, thereby improving the forming effect and forming quality, avoiding multiple processing, and improving work efficiency. Moreover, the first pressing roller, the second pressing roller or the third pressing roller are arranged in a triangle, which makes the overall layout more compact and improves space utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0028] Figure 1 An exploded view of the dry roll film pressing device provided by the present invention at a first viewing angle;

[0029] Figure 2 This is a schematic structural diagram of the dry roll film pressing equipment provided by the utility model at a first viewing angle;

[0030] Figure 3 for Figure 2 The sectional view at AA in FIG;

[0031] Figure 4 This is a structural schematic diagram of the rolling mechanism provided by the present invention at a second viewing angle;

[0032] Figure 5 This is a structural schematic diagram of the material blocking assembly provided by the utility model at a first viewing angle.

[0033] Description of reference numerals:

[0034] 1, rack; 2, vertical plate; 3, roller pressing mechanism; 31, first compression roller; 32, second compression roller; 33, third compression roller; 34, first bearing seat; 35, second bearing seat; 36, third bearing seat; 4, first adjusting part; 41, first screw rod; 42, first wedge-shaped block; 5, first inclined block; 6, first gap detection part; 7, second gap detection part; 8, second adjusting part; 81, second screw rod; 82, second wedge-shaped block; 9, second inclined block; 10, driving assembly; 101, variable frequency motor; 102, telescopic universal joint coupling; 11, oil temperature machine; 12, rotary joint assembly; 13, slitting mechanism; 131, guide rail; 132, cutter assembly; 14, winding mechanism; 141, mounting plate; 142, air inflation shaft assembly; 143, tension sensor; 144, swing roller assembly; 145, over roller; 146, roll diameter detection part; 15, steel roller; 16, material blocking assembly; 161, baffle; 162, fixed block; 163, adjusting rod; 164, locking part; 165, fixed plate; 167, adjusting screw; 168, adjusting nut; 17, material receiving groove; 18, pull rod emergency stop mechanism; 19, alarm assembly; 20, control mechanism. DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only some 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.

[0036] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict.

[0039] Embodiment 1

[0040] Please refer to Figures 1 to 5 The embodiment provides a dry method roll pressing film equipment, comprising: a rack 1, two vertical plates 2 are arranged at intervals on the rack 1; a pressing mechanism 3, comprising a first pressing roller 31, a second pressing roller 32 and a third pressing roller 33; the first pressing roller 31, the second pressing roller 32 and the third pressing roller 33 are rotatably connected between the two vertical plates 2; the first pressing roller 31 and the second pressing roller 32 are located on the side of the third pressing roller 33, and are used for cooperating with the third pressing roller 33 to extrude material into a film piece; the first pressing roller 31, the second pressing roller 32 and the third pressing roller 33 are arranged in a triangular shape; a driving mechanism is arranged on the rack 1, and the output ends of the driving mechanism are drivingly connected with the first pressing roller 31, the second pressing roller 32 and the third pressing roller 33, and are used for driving the first pressing roller 31, the second pressing roller 32 and the third pressing roller 33 to rotate.

[0041] It should be noted that the gap between the first pressing roller 31 and the third pressing roller 33 is the feeding end, and the gap between the second pressing roller 32 and the third pressing roller 33 is the discharging end; the first pressing roller 31, the second pressing roller 32 and the third pressing roller 33 are arranged in parallel.

[0042] In the embodiment, when it is needed to extrude material into a film piece, the first pressing roller 31, the second pressing roller 32 and the third pressing roller 33 are driven to rotate by the driving mechanism, the material is firstly extruded to form a film piece by the gap between the first pressing roller 31 and the third pressing roller 33, and then is secondly extruded by the gap between the second pressing roller 32 and the third pressing roller 33, through multiple continuous extrusions, the continuity of the film piece during forming is ensured, the cutting point force generated by the roller surface when extruding the material is sufficient, the forming effect and the forming quality are improved, multiple processing is avoided, the work efficiency is improved, and the first pressing roller 31, the second pressing roller 32 or the third pressing roller 33 are arranged in a triangular shape, so that the overall layout is more compact, and the space utilization is improved under the condition of realizing multiple extrusions of the material.

[0043] Embodiment 2

[0044] As a further improvement of embodiment 1, as Figure 3 and Figure 4As shown, both ends of the first compression roller 31 are connected with the stand plate 2 through the first bearing seat 34; the line connecting the shaft center of the first compression roller 31 with the shaft center of the third compression roller 33 is the first direction; the first bearing seat 34 is slidingly connected on the stand plate 2 along the first direction and is driven by the first adjusting piece 4 to reciprocate along the first direction; both ends of the third compression roller 33 are connected with the stand plate 2 through the third bearing seat 36, and the first bearing seat 34 and the third bearing seat 36 are provided with the first elastic piece.

[0045] In the embodiment, the first compression roller 31 and the third compression roller 33 are connected with the stand plate 2 through the first bearing seat 34 and the third bearing seat 36 respectively, which improves the supporting strength and facilitates rotation; the first elastic piece is arranged between the first bearing seat 34 and the third bearing seat 36, so that a certain gap is maintained between the first compression roller 31 and the second compression roller 32, facilitating the passing of materials; the first bearing seat 34 is slidingly connected with the stand plate 2 along the first direction, and the first adjusting piece 4 can be used to adjust the movement of the first bearing seat 34 and the first compression roller 31 along the first direction, so as to adjust the gap between the first compression roller 31 and the third compression roller 33 according to actual requirements, thereby improving the application range.

[0046] On the basis of the above-mentioned embodiment, in a preferred embodiment, as shown in Figure 3 and Figure 4 the first adjusting piece 4 comprises a first lead screw 41 and a first wedge-shaped block 42; the axial direction of the first lead screw 41 is perpendicular to the first direction, and the first lead screw 41 is rotatably connected with the stand plate 2; the first lead screw 41 is connected with the first wedge-shaped block 42 through a first nut seat; the first bearing seat 34 is provided with a first inclined block 5 corresponding to the first wedge-shaped block 42, and the first wedge-shaped block 42 is in abutment with the first inclined block 5.

[0047] It should be noted that the inclined surface of the first wedge-shaped block 42 is in abutment with the inclined surface of the first inclined block 5.

[0048] In the embodiment, when it is necessary to adjust the gap between the first compression roller 31 and the third compression roller 33, the first lead screw 41 is driven to rotate, and then the first lead screw 41 rotates and drives the first wedge-shaped block 42 to move along the axial direction of the first lead screw 41 through the first nut seat; since the first wedge-shaped block 42 is in abutment with the first inclined block 5, i.e., the inclined surface of the first wedge-shaped block 42 cooperates with the inclined surface of the first inclined block 5, the first bearing seat 34 moves in the first direction, so that the first compression roller 31 approaches the third compression roller 33, or the first compression roller 31 moves away from the third compression roller 33 under the elastic action of the first elastic piece, so as to adjust the gap between the first compression roller 31 and the third compression roller 33.

[0049] Specifically, as shown in Figures 1 to 4 one end of the first lead screw 41 extends out of the stand plate 2, and the end of the first lead screw 41 extending out of the stand plate 2 is provided with a first hand wheel, so as to drive the first lead screw 41 to rotate through the first hand wheel.

[0050] In the above embodiment, in a preferred embodiment, the first gap detection member 6 is arranged on the vertical plate 2, and a detection end of the first gap detection member 6 is connected with the first bearing seat 34, and is used for detecting the gap between the first compression roller 31 and the third compression roller 33.

[0051] In the embodiment, the first gap detection member 6 is arranged to detect the gap between the first compression roller 31 and the third compression roller 33, so that the adjustment accuracy is improved.

[0052] Specifically, the first gap detection member 6 is a micrometer.

[0053] Specifically, as shown in Figure 3 , the first gap detection member 6 is connected with the first bearing seat 34 through the first top plate.

[0054] In the above embodiment, in a preferred embodiment, as shown in Figure 3 and Figure 4 , the line connecting the shaft center of the second compression roller 32 and the shaft center of the third compression roller 33 is the second direction; both ends of the second compression roller 32 are connected with the vertical plate 2 through the second bearing seat 35; the second bearing seat 35 is slidingly connected with the vertical plate 2 along the second direction, and is driven to reciprocate along the second direction by the second adjusting member 8; the second bearing seat 35 and the third bearing seat 36 are provided with the second elastic member, and the second adjusting member 8 has the same structure as the first adjusting member 4.

[0055] In the embodiment, the second compression roller 32 and the third compression roller 33 are connected with the vertical plate 2 through the second bearing seat 35 and the third bearing seat 36 respectively, so that the support strength is improved, and the rotation is facilitated; the second elastic member is arranged between the second bearing seat 35 and the third bearing seat 36, so that the second compression roller 32 and the second compression roller 32 maintain a certain gap, so as to facilitate the passing of the material; the second bearing seat 35 is slidingly connected with the vertical plate 2 along the second direction, so that the second compression roller 32 is driven to move along the second direction by the second adjusting member 8, and then the gap between the second compression roller 32 and the third compression roller 33 is adjusted according to the actual demand, so that the application range is improved.

[0056] Specifically, as shown in Figure 3 and Figure 4 , the second gap detection member 7 is arranged on the vertical plate 2, and a detection end of the second gap detection member 7 is connected with the second bearing seat 35, and is used for detecting the gap between the second compression roller 32 and the third compression roller 33.

[0057] In the embodiment, the second gap detection member 7 is arranged to detect the gap between the second compression roller 32 and the third compression roller 33, so that the adjustment accuracy is improved.

[0058] Specifically, the second gap detection member 7 is a micrometer.

[0059] Specifically, as shown in Figure 3 The second gap detection member 7 is connected with the second bearing seat 35 through the second top plate.

[0060] Specifically, as shown in Figure 3 and Figure 4 The second adjusting member 8 comprises a second screw rod 81 and a second wedge block 82. The second screw rod 81 is perpendicular to the second direction in the axial direction, and is rotatably connected to the stand plate 2. The second screw rod 81 is connected with the second wedge block 82 through a second nut seat. The second bearing seat 35 is provided with a second inclined block 9 corresponding to the second wedge block 82. The second wedge block 82 is in abutment with the second inclined block 9. It should be noted that the inclined surface of the second wedge block 82 is in abutment with the inclined surface of the second inclined block 9. When it is necessary to adjust the gap between the second pressure roller 32 and the third pressure roller 33, the second screw rod 81 is driven to rotate, and then the second screw rod 81 rotates and drives the second wedge block 82 to move along the axial direction of the second screw rod 81 through the second nut seat. Since the second wedge block 82 is in abutment with the second inclined block 9, that is, the inclined surface of the second wedge block 82 cooperates with the inclined surface of the second inclined block 9, the second bearing seat 35 moves in the second direction, so that the second pressure roller 32 approaches the third pressure roller 33, or the second pressure roller 32 moves away from the third pressure roller 33 under the elastic action of the second elastic member, so as to adjust the gap between the second pressure roller 32 and the third pressure roller 33.

[0061] Specifically, as shown in Figure 3 and Figure 4 One end of the second screw rod 81 extends out of the stand plate 2, and the end of the second screw rod 81 extending out of the stand plate 2 is provided with a second hand wheel, so as to drive the second screw rod 81 to rotate through the second hand wheel.

[0062] On the basis of the above-mentioned embodiment, in a preferred embodiment, as shown in Figure 3 and Figure 4 The first pressure roller 31, the third pressure roller 33 and the second pressure roller 32 are arranged in a right-angled triangle along the feeding direction.

[0063] In this embodiment, the first pressure roller 31, the third pressure roller 33 and the second pressure roller 32 are arranged in a right-angled triangle, that is, the first direction is the horizontal direction, and the second direction is the vertical direction, so that the feeding end formed by the first pressure roller 31 and the third pressure roller 33 is horizontally arranged, facilitating feeding.

[0064] On the basis of the above-mentioned embodiment, in a preferred embodiment, as shown in Figure 1As shown, the driving mechanism includes three sets of driving assemblies 10, which are arranged one-to-one corresponding to the first compression roller 31, the second compression roller 32 and the third compression roller 33; the driving assembly 10 includes a variable frequency motor 101, which is arranged on the rack 1, and the output end of the variable frequency motor 101 is drivingly connected with the first compression roller 31, the second compression roller 32 or the third compression roller 33 through the telescopic universal joint coupling 102.

[0065] In this embodiment, the first compression roller 31, the second compression roller 32 and the third compression roller 33 are all connected with a set of driving assemblies 10, which are independently driven, and the rotating speed of each set of driving assemblies 10 can be independently adjusted according to the requirements, which is flexible, and the driving assembly 10 is composed of the variable frequency motor 101 and the telescopic universal joint coupling 102, the output torque is improved through the variable frequency motor 101, and the degree of freedom during connection is improved through the telescopic universal joint coupling 102, so that the transmission has a certain degree of freedom, thereby facilitating flexible adjustment.

[0066] On the basis of the above-mentioned embodiments, in a preferred embodiment, as shown in Figure 1 and Figure 2 The oil temperature machine 11 is further provided, and the first compression roller 31, the second compression roller 32 and the third compression roller 33 are all communicated with the oil temperature machine 11 through the rotary joint assembly 12, so as to provide hot oil through the oil temperature machine 11 for heating.

[0067] It should be noted that the oil temperature machine 11 is connected with the end of the first compression roller 31, the second compression roller 32 and the third compression roller 33 away from the driving mechanism.

[0068] In this embodiment, hot oil is provided to the first compression roller 31, the second compression roller 32 and the third compression roller 33 through the oil temperature machine 11 for continuous heating, so as to improve the forming effect of the diaphragm, and the heating temperature can be adjusted through the oil temperature machine 11 according to actual requirements.

[0069] On the basis of the above-mentioned embodiments, in a preferred embodiment, as shown in Figure 1 and Figure 3 The dry roller pressing film equipment further includes a slitting mechanism 13, which is located at the discharging end of the roller pressing mechanism 3; the slitting mechanism 13 includes a guide rail 131 and at least one set of cutter assembly 132; the guide rail 131 is connected with the rack 1, and the guide rail 131 is parallel to the first compression roller 31; the cutter assembly 132 is slidingly connected on the guide rail 131, and is used for trimming the edges of the diaphragm.

[0070] In this embodiment, the slitting mechanism 13 is arranged at the discharging end of the roller pressing mechanism 3, so as to cut the formed diaphragm through the cutter assembly 132, cut the uneven end of the diaphragm, improve the quality of the diaphragm, and the cutter assembly 132 of the slitting mechanism 13 is slidingly connected on the guide rail 131, which can be adjusted in time according to diaphragms of different widths, and has strong adaptability.

[0071] Specifically, as shown in Figure 3 , the cutting knife assembly 132 comprises a pneumatic knife holder and a cutting knife, the pneumatic knife holder is in sliding connection with the guide rail 131, and the cutting knife is arranged on the pneumatic knife holder and used for slitting the film.

[0072] Specifically, as shown in Figure 3 , the slitting assembly further comprises a steel roller 15, the steel roller 15 is connected with the rack 1 along the width direction of the film, and the steel roller 15 is tangent to the cutting knife and used for slitting the film in cooperation with the cutting knife, thereby improving the slitting effect.

[0073] Specifically, the cutting knife assembly 132 is provided with two groups, so as to slit both ends of the film at the same time, and the distance between the two groups of cutting knife assemblies 132 is adjusted according to actual needs, so as to obtain a film with a width meeting the needs and improve the quality of the film.

[0074] Specifically, as shown in Figure 1 and Figure 3 , a material receiving groove 17 is arranged below the slitting mechanism 13, so as to recycle the waste generated in the slitting process.

[0075] On the basis of the above-mentioned embodiment, in a preferred embodiment, as shown in Figures 1 to 3 , the dry rolling film equipment further comprises a winding mechanism 14, which is connected with the rack 1 and located at the discharging end of the rolling mechanism 3 and used for winding the film.

[0076] In this embodiment, the winding mechanism 14 is arranged to facilitate winding the film.

[0077] On the basis of the above-mentioned embodiment, in a preferred embodiment, as shown in Figure 1 and Figure 3 , the winding mechanism 14 comprises a mounting plate 141, an air inflation shaft assembly 142, a tension sensor 143 and a swing roller assembly 144, the mounting plate 141 is connected with the rack 1; the air inflation shaft assembly 142, the tension sensor 143 and the swing roller assembly 144 are all arranged on the mounting plate 141, the tension sensor 143 and the swing roller assembly 144 are both located on the winding path of the film, and the tension sensor 143 and the swing roller assembly 144 are in communication connection.

[0078] Communication connection refers to interaction through signal transmission, and communication is formed between connected devices, including wired connection (such as connection through wire, network cable, etc.) and wireless connection (such as WiFi, 4g connection, etc.).

[0079] In this embodiment, the film formed by automatic winding can be wound by the air inflation shaft assembly 142, and in the winding process, the tension of the film is detected by the tension sensor 143, and the tension of the film is adjusted by the swing roller assembly 144 according to the detected tension.

[0080] Specifically, as shown in Figure 1 and Figure 3 , the gas expansion shaft assembly 142 includes a gas expansion shaft and a first driving motor, the gas expansion shaft is rotatably arranged on the mounting plate 141 and is driven to rotate by the first driving motor for winding, the rapid expansion and contraction characteristics of the gas expansion shaft make the replacement of the roll material more rapid and convenient, and by uniformly applying pressure, the gas expansion shaft helps to maintain the flatness of the roll material, avoiding wrinkles or distortion of the roll material during winding or unwinding.

[0081] Specifically, as shown in Figure 1 , the swing roller assembly 144 includes a swing roller and a second driving motor, the swing roller is arranged on the mounting plate 141 and is driven to reciprocate by the second driving motor, thereby adjusting the tension of the diaphragm.

[0082] Specifically, a plurality of over rollers 145 are arranged on the mounting plate 141 along the winding path of the diaphragm, the over rollers 145 are used for the transition of the diaphragm, and the tension sensor 143 is located between two adjacent over rollers 145.

[0083] Specifically, the over roller 145 is a carbon fiber over roller 145, which improves the service life.

[0084] Specifically, as shown in Figure 3 , the winding mechanism 14 further includes a roll diameter detection member 146, the roll diameter detection member 146 is arranged on the mounting plate 141, and the detection end of the roll diameter detection member 146 faces the gas expansion shaft assembly 142, for detecting the roll diameter of the diaphragm winding.

[0085] On the basis of the above-mentioned embodiments, in a preferred embodiment, as shown in Figures 1 to 5 , the dry rolling film device further comprises: two sets of material blocking assemblies 16, which are arranged on the two vertical plates 2 respectively and are located on both sides of the feeding end of the rolling mechanism 3, for blocking the overflow of the material from both sides of the feeding end of the rolling mechanism 3.

[0086] In this embodiment, two sets of material blocking assemblies 16 are arranged on both sides of the feeding end of the rolling mechanism 3, which prevent the overflow of the material during feeding and avoid waste.

[0087] On the basis of the above-mentioned embodiments, in a preferred embodiment, as shown in Figures 1 to 5 , the material blocking assembly 16 includes a third adjusting member and a baffle 161; the third adjusting member is connected with the vertical plate 2, and the adjusting end of the third adjusting member is connected with the baffle 161, for adjusting the distance between the two baffles 161; the shape of the end of the baffle 161 close to the rolling mechanism 3 is adapted to the shape of the feeding end of the rolling mechanism 3; the adjusting end of the third adjusting member is connected with the baffle 161 through a fourth adjusting member; the adjusting end of the fourth adjusting member is connected with the baffle 161, for adjusting the height of the baffle 161.

[0088] In the embodiment, the baffle 161 prevents material overflow at the feeding end of the rolling mechanism 3, avoiding waste, and the baffle 161 is connected with the stand plate 2 through the third adjusting part and the fourth adjusting part. The spacing between the two baffles 161 on both sides can be adjusted through the third adjusting part, and the height of the baffle 161 can be adjusted through the fourth adjusting part, which has adjustability, wider application range, and the shape of the bottom of the baffle 161 is adapted to the shape of the feeding end of the rolling mechanism 3, that is, the bottom of the baffle 161 is provided with an arc-shaped structure adapted to the first pressure roller 31 and the third pressure roller 33, avoiding damage caused by contact with the first pressure roller 31 and the third pressure roller 33.

[0089] Specifically, the material of the baffle 161 is PTFE material, which improves the high temperature resistance and prolongs the service life.

[0090] Based on the above embodiment, in a preferred embodiment, as shown in Figure 5 The third adjusting part includes a fixed block 162, an adjusting rod 163 and a locking part 164. The fixed block 162 is connected with the stand plate 2. The adjusting rod 163 slides along the axial direction of the first pressure roller 31 and is provided on the fixed block 162. The adjusting rod 163 is connected with the fourth adjusting part. The locking part 164 is provided on the fixed block 162 and abuts against the adjusting rod 163. The locking part 164 is threadedly connected with the fixed block 162.

[0091] In the embodiment, when the spacing between the two baffles 161 needs to be adjusted, the locking part 164 is loosened, the adjusting rod 163 is pushed or pulled to slide in the fixed block 162, which drives the fourth adjusting part and the baffle 161 to slide along the axial direction of the first pressure roller 31, thereby adjusting the spacing between the two baffles 161 to adapt to the molding of diaphragms with different widths. After the adjustment is completed, the locking part 164 is tightened to abut against the adjusting rod 163 and be locked.

[0092] Specifically, the locking part 164 is a locking bolt. The end of the locking bolt away from the adjusting rod 163 extends out of the fixed block 162 and is connected with a hexagonal handle, which is convenient for rotating to lock or adjust.

[0093] Based on the above embodiment, in a preferred embodiment, as shown in Figure 5 The fourth adjusting part includes a fixed plate 165, an adjusting screw 167 and an adjusting nut 168. The fixed plate 165 is connected with the output end of the third adjusting part. A plurality of through holes are provided in the fixed plate 165 in the vertical direction. The adjusting screw 167 can slide through the through holes. The bottom end of the adjusting screw 167 is connected with the baffle 161. The adjusting nut 168 is threadedly connected on the adjusting screw 167 and is located above the fixed plate 165, which is used to adjust the height of the baffle 161.

[0094] In this embodiment, when the height of the baffle 161 needs to be adjusted, since the adjusting nut 168 abuts above the fixed plate 165, the position of the adjusting nut 168 on the adjusting screw 167 is adjusted by rotating the adjusting nut 168, and then the length of the adjusting screw 167 protruding above the fixed plate 165 is adjusted, and then the height of the baffle 161 is adjusted.

[0095] Specifically, as shown in Figure 2 The dry roller film pressing equipment also comprises a control mechanism 20, which is in communication connection with the driving mechanism, the oil temperature machine 11, the cutting mechanism 13 and the winding mechanism 14, so as to improve the controllability by controlling the control mechanism 20.

[0096] Specifically, the dry roller film pressing equipment also comprises a pull rod emergency stop mechanism 18, which comprises two travel switches, the travel switches are arranged on the two vertical plates 2 respectively, and the control ends of the two travel switches are connected by a pull rod; the travel switches are electrically connected with the control mechanism 20, and are used for controlling the power-off. The control ends of the two travel switches can be pulled by the pull rod, and the signal is transmitted to the control mechanism 20 to cut off the power supply and stop the overall operation, which is convenient for use in emergency.

[0097] Specifically, as shown in Figure 2 The dry roller film pressing equipment also comprises an alarm component 19, which is in communication connection with the control mechanism 20, and is used for issuing an alarm when a fault occurs. The alarm component 19 comprises at least one of a buzzer and a three-color lamp.

[0098] The specific working principle of the dry method roller pressing film equipment provided in the embodiment is as follows: when it is needed to extrude the material into a film piece, the first pressing roller 31, the second pressing roller 32 and the third pressing roller 33 are driven to rotate by the three groups of driving assemblies 10, the width and the height of the baffle 161 are adjusted to appropriate positions by the third adjusting piece and the fourth adjusting piece to avoid material overflow, meanwhile, the gap between the first pressing roller 31 and the third pressing roller 33 is adjusted by the first adjusting piece 4 and the first gap detecting piece 6, and the gap between the second pressing roller 32 and the third pressing roller 33 is adjusted by the second adjusting piece 8 and the second gap detecting piece 7, then the material is extruded by the first pressing roller 31 and the third pressing roller 33 to form a film piece, then the material is extruded by the second pressing roller 32 and the third pressing roller 33 again, the continuity of the film piece during the forming is ensured by multiple continuous extrusions, the cutting point force generated by the roller surface when the material is extruded is sufficient, and the forming effect and the forming quality are improved; after the film piece is discharged from the discharging end of the roller pressing mechanism 3, the film piece sequentially passes through the slitting mechanism 13, the tension sensor 143 and the swing roller assembly 144, and is wound by the air expansion shaft assembly 142, the cutter assembly 132 cooperates with the steel roller 15 to slit the two sides of the film piece according to the width of the film piece, and the swing roller assembly 144 adjusts the tension according to the tension detected by the tension sensor 143. The dry method roller pressing film equipment provided in the embodiment improves the forming effect and the quality of the film piece, avoids multiple processing, improves the work efficiency, has controllability and high adjustment precision, and the first pressing roller 31, the second pressing roller 32 and the third pressing roller 33 are arranged in a triangular shape, which improves the space utilization. The technical problem that the film piece forming effect is poor after the roller pressing module of the existing dry method experimental roller pressing equipment is pressed, manual multiple re-feeding and multiple roller pressing of the intermittent film piece and the material are needed, and the efficiency is low is solved.

[0099] Obviously, the above embodiments are only examples for clearly illustrating, but not limiting the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments cannot be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A dry roll film pressing device, characterized in that: include: A frame (1), wherein two vertical plates (2) are spaced apart from each other on the frame (1); The roller pressing mechanism (3) comprises a first pressing roller (31), a second pressing roller (32) and a third pressing roller (33); the first pressing roller (31), the second pressing roller (32) and the third pressing roller (33) are all rotatably connected between the two vertical plates (2); the first pressing roller (31) and the second pressing roller (32) are both located on the circumference of the third pressing roller (33) and are used to cooperate with the third pressing roller (33) to extrude the material into a film; the first pressing roller (31), the second pressing roller (32) and the third pressing roller (33) are arranged in a triangle; A driving mechanism is arranged on the frame (1), and the output ends of the driving mechanism are all drivingly connected to the first pressing roller (31), the second pressing roller (32) and the third pressing roller (33), and are used to drive the first pressing roller (31), the second pressing roller (32) and the third pressing roller (33) to rotate.

2. The dry roll film pressing equipment according to claim 1, characterized in that: Both ends of the first pressure roller (31) are connected to the vertical plate (2) through a first bearing seat (34); the line connecting the axis of the first pressure roller (31) and the axis of the third pressure roller (33) is a first direction; the first bearing seat (34) is slidably connected to the vertical plate (2) along the first direction, and is driven by a first adjusting member (4) to move back and forth along the first direction; both ends of the third pressure roller (33) are connected to the vertical plate (2) through a third bearing seat (36), and a first elastic member is provided between the first bearing seat (34) and the third bearing seat (36).

3. The dry roll film pressing equipment according to claim 2, characterized in that: The first adjusting member (4) includes a first screw rod (41) and a first wedge block (42), the axial direction of the first screw rod (41) is perpendicular to the first direction, and the first screw rod (41) is rotatably connected to the vertical plate (2); the first screw rod (41) is connected to the first wedge block (42) through a first nut seat, and a first inclined block (5) is provided on the first bearing seat (34) corresponding to the first wedge block (42), and the first wedge block (42) is adapted to abut against the first inclined block (5); And / or, a first gap detection member (6) is provided on the vertical plate (2), and a detection end of the first gap detection member (6) is connected to the first bearing seat (34) for detecting the gap between the first pressing roller (31) and the third pressing roller (33); And / or, the line connecting the axis of the second pressure roller (32) and the axis of the third pressure roller (33) is the second direction; both ends of the second pressure roller (32) are connected to the vertical plate (2) through a second bearing seat (35); the second bearing seat (35) is slidably connected to the vertical plate (2) along the second direction, and is driven by a second adjusting member (8) to reciprocate along the second direction; a second elastic member is provided between the second bearing seat (35) and the third bearing seat (36), and the second adjusting member (8) has the same structure as the first adjusting member (4); And / or, the first pressing roller (31), the third pressing roller (33) and the second pressing roller (32) are arranged in a right triangle along the feeding direction.

4. The dry roll film pressing equipment according to claim 1, characterized in that: The driving mechanism comprises three groups of driving components (10), and the three groups of driving components (10) are arranged in a one-to-one correspondence with the first pressing roller (31), the second pressing roller (32) and the third pressing roller (33); the driving component (10) comprises a variable frequency motor (101), and the variable frequency motor (101) is arranged on the frame (1), and the output end of the variable frequency motor (101) is drivingly connected to the first pressing roller (31), the second pressing roller (32) or the third pressing roller (33) through a telescopic universal joint coupling (102).

5. The dry roll film pressing equipment according to claim 1, characterized in that: It also includes an oil temperature machine (11), wherein the first pressing roller (31), the second pressing roller (32) and the third pressing roller (33) are all connected to the oil temperature machine (11) through a rotary joint assembly (12), and are used to provide hot oil for heating through the oil temperature machine (11); And / or, it also includes a slitting mechanism (13), the slitting mechanism (13) is located at the discharge end of the rolling mechanism (3); the slitting mechanism (13) includes a guide rail (131) and at least one set of cutter assemblies (132); the guide rail (131) is connected to the frame (1), and the guide rail (131) is parallel to the first pressing roller (31); the cutter assembly (132) is slidably connected to the guide rail (131) and is used to trim the membrane.

6. The dry roll film pressing equipment according to claim 1, characterized in that: Also includes: A winding mechanism (14) is connected to the frame (1) and is located at the discharge end of the rolling mechanism (3) and is used for winding the film.

7. The dry roll film pressing equipment according to claim 6, characterized in that: The winding mechanism (14) comprises a mounting plate (141), an air shaft assembly (142), a tension sensor (143) and a swing roller assembly (144); the mounting plate (141) is connected to the frame (1); the air shaft assembly (142), the tension sensor (143) and the swing roller assembly (144) are all arranged on the mounting plate (141); the air shaft assembly (142) is used to wind up the diaphragm; the tension sensor (143) and the swing roller assembly (144) are both located on the winding path of the diaphragm, and the tension sensor (143) and the swing roller assembly (144) are communicatively connected.

8. The dry roll film pressing equipment according to any one of claims 1 to 7, characterized in that: Also includes: Two sets of material blocking components (16) are respectively arranged on the two vertical plates (2) and are respectively located on both sides of the feed end of the roller pressing mechanism (3) to prevent the material from overflowing from both sides of the feed end of the roller pressing mechanism (3).

9. The dry roll film pressing equipment according to claim 8, characterized in that: The material-blocking assembly (16) includes a third adjusting member and a baffle (161); the third adjusting member is connected to the vertical plate (2), and the adjusting end of the third adjusting member is connected to the baffle (161) for adjusting the distance between the two baffles (161); the shape of one end of the baffle (161) close to the rolling mechanism (3) is adapted to the shape of the feed end of the rolling mechanism (3); the adjusting end of the third adjusting member is connected to the baffle (161) through a fourth adjusting member; the adjusting end of the fourth adjusting member is connected to the baffle (161) for adjusting the height of the baffle (161).

10. The dry roll lamination equipment according to claim 9, characterized in that: The third adjusting member comprises a fixed block (162), an adjusting rod (163) and a locking member (164); the fixed block (162) is connected to the vertical plate (2); the adjusting rod (163) is slidably provided on the fixed block (162) along the axial direction of the first pressure roller (31), and the adjusting rod (163) is connected to the fourth adjusting member; the locking member (164) is provided on the fixed block (162) and abuts against the adjusting rod (163), and the locking member (164) is threadedly connected to the fixed block (162); And / or, the fourth adjusting member includes a fixing plate (165), an adjusting screw (167) and an adjusting nut (168); the fixing plate (165) is connected to the output end of the third adjusting member; a plurality of through holes are provided on the fixing plate (165) in a vertical direction, the adjusting screw (167) can slide through the through holes, and the bottom end of the adjusting screw (167) is connected to the baffle (161); the adjusting nut (168) is threadedly connected to the adjusting screw (167) and is located above the fixing plate (165) for adjusting the height of the baffle (161).

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