Quick roll changing structure and quick roll changing method for heavy rolling equipment

Abstract

The invention relates to the technical field of rolling equipment, in particular to a rapid roller replacing structure and method for heavy rolling equipment, and efficient and safe replacement of a heavy roller system is achieved through modular design and process optimization. A matching structure of a special detachable sliding rail and a movable bent cylinder seat is arranged in the upper mounting area and the lower mounting area, and the efficiency of the traditional roller changing operation is remarkably improved by combining the cooperative operation of a bottom jacking module and a transfer trolley; an innovative sliding rail guiding system ensures that the bent cylinder base accurately moves along the first dismounting sliding rail, the second dismounting sliding rail and the third dismounting sliding rail, and positioning deviation in manual operation is avoided. A receiving track of the transfer trolley is accurately butted with a feeding track of the rack through positioning holes of a first connecting frame and a second connecting frame, and stable feeding and discharging of a supporting plate are realized in cooperation with chain transmission of a driving assembly; a supporting block of the jacking module is matched with the outline of the bottom of the lower roller system, and interference is avoided in the load-bearing transfer process in combination with the design of a receding groove in a supporting plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of roller pressing equipment, in particular to a quick roller changing structure and method for heavy roller pressing equipment. BACKGROUND

[0002] As a key equipment for forming lithium battery pole pieces, the roller system assembly of the roller pressing equipment usually has the characteristics of large diameter and large width due to process requirements, and the weight of a single set of roller system can reach dozens of tons. The traditional roller changing operation relies on manual disassembly of bolts, hoisting and adjustment, which not only requires multiple people to work together, but also has the disadvantages of low positioning accuracy and long time consumption. Especially in the scene of frequent roller changing, the existing technology seriously restricts the production efficiency and may cause safety accidents due to improper operation.

[0003] At present, the mainstream roller changing method in the industry requires 6-8 operators to work continuously for more than 24 hours, and relies on large lifting equipment for assistance, increasing maintenance costs. In addition, there is a risk of slipping and collision during hoisting of heavy components, and an efficient and safe quick disassembly structure and method are needed to solve the above problems. SUMMARY

[0004] Based on this, the purpose of the present application is to provide a quick roller changing structure and method for heavy roller pressing equipment.

[0005] The present application adopts the following technical solutions:

[0006] A quick roller changing structure for heavy roller pressing equipment, comprising:

[0007] The roller pressing equipment comprises a rack, an upper roller system, a lower roller system and a bending cylinder system; the rack comprises an upper mounting area and a lower mounting area which are in communication with each other, the upper roller system is mounted on the upper mounting area, and the lower roller system is mounted on the lower mounting area; the front and rear ends of the upper roller system are respectively provided with a first front bending cylinder seat and a first rear bending cylinder seat, and the front and rear ends of the lower roller system are respectively provided with a second front bending cylinder seat and a second rear bending cylinder seat; the upper mounting area is provided with a first disassembly sliding rail, the first disassembly sliding rail is arranged at the rear end of the upper roller system, and the first rear bending cylinder seat is slidably connected to the first disassembly sliding rail; the lower mounting area is provided with a second disassembly sliding rail, the second disassembly sliding rail is arranged at the rear end of the lower roller system, and the second rear bending cylinder seat is slidably connected to the second disassembly sliding rail; a central part of the bottom of the lower mounting area is provided with a jacking module for jacking and supporting the upper roller system or the lower roller system, and the bottom of the lower mounting area is further provided with a feeding track; the bending cylinder system comprises a first front bending cylinder group connected to the first front bending cylinder seat, a first rear bending cylinder group connected to the first rear bending cylinder seat, a second front bending cylinder group connected to the second front bending cylinder seat, and a second rear bending cylinder group connected to the second rear bending cylinder seat;

[0008] The transfer trolley comprises a conveying vehicle, a material receiving track fixed on the top of the conveying vehicle, and a supporting plate in sliding connection with the material receiving track;

[0009] When the material receiving track is in butt joint with the feeding track, the supporting plate can slide into the lower mounting area along the material receiving track and the feeding track for receiving and moving out the upper roller system or the lower roller system.

[0010] Preferably, the upper roller system and the lower roller system are of the same structure, and each of the upper roller system and the lower roller system comprises a compression roller and two rotating bearings, and the compression roller extends with a connecting shaft at both ends, and the rotating bearings are assembled on the outer periphery of the connecting shaft.

[0011] Preferably, a first driving module is arranged in the upper mounting area, and the first driving module is in driving connection with the upper roller system through a first coupling; a second driving module is arranged in the lower mounting area, and the second driving module is in driving connection with the lower roller system through a second coupling.

[0012] Preferably, the jacking module comprises a hydraulic cylinder and a supporting block arranged at the end of the piston rod of the hydraulic cylinder; the upper surface of the supporting block forms a supporting surface matched with the outer contour of the bottom of the lower roller system.

[0013] Preferably, a connecting pin is arranged between the first front bending cylinder seat and the first front bending cylinder group, between the first rear bending cylinder seat and the first rear bending cylinder group, between the second front bending cylinder seat and the second front bending cylinder group, and between the second rear bending cylinder seat and the second rear bending cylinder group, so as to realize detachable connection.

[0014] Preferably, the transfer trolley further comprises a driving assembly arranged at the upper end of the conveying vehicle and in driving connection with the supporting plate, the driving assembly comprises a driving motor arranged at one end of the material receiving track and a transmission chain in driving connection with the driving motor, and the bottom of the supporting plate is connected with the transmission chain; the driving motor drives the transmission chain to rotate, so as to drive the supporting plate to slide along the material receiving track and the feeding track.

[0015] Preferably, an emptying groove is arranged on the supporting plate; when the supporting plate moves into the lower mounting area, the jacking module corresponds to the emptying groove.

[0016] Preferably, a first connecting frame is fixedly arranged at the side of the material receiving track, and a first positioning hole is arranged on the first connecting frame; a second connecting frame is fixedly arranged at the side of the feeding track, and a second positioning hole is arranged on the second connecting frame; when the material receiving track is in butt joint with the feeding track, the first positioning hole is aligned with the second positioning hole.

[0017] Preferably, the first dismounting slide rail is provided with a first sliding seat in sliding connection with the first dismounting slide rail, and the first sliding seat is detachably connected with the first rear bending cylinder seat.

[0018] A quick roll changing method based on the quick roll changing structure for heavy roll pressing equipment, comprising the following steps:

[0019] S1. Lower roll system dismounting preparation: start the jacking module to jack up and support the lower roll system; disconnect the second front bending cylinder seat from the second front bending cylinder group and the second rear bending cylinder seat from the second rear bending cylinder group.

[0020] S2. Lower roll bending cylinder seat removal: move the second front bending cylinder seat out of the rack in the horizontal direction, and at the same time, the second rear bending cylinder seat slides backward along the second dismounting slide rail to disengage from the lower roll system.

[0021] S3. Lower roll system transfer: control the receiving track of the transfer trolley to be in butt joint with the feeding track, drive the supporting plate to horizontally extend into the lower installation area along the receiving track and be located at the bottom of the lower roll system; the jacking module is depressurized to make the lower roll system fall on the supporting plate; the supporting plate carries the lower roll system back to the conveying vehicle.

[0022] S4. Upper roll system dismounting preparation: start the jacking module to jack up and support the upper roll system; disconnect the first front bending cylinder seat from the first front bending cylinder group and the first rear bending cylinder seat from the first rear bending cylinder group.

[0023] S5. Upper roll bending cylinder seat removal: move the first front bending cylinder seat out of the rack in the horizontal direction, and at the same time, the first rear bending cylinder seat slides backward along the first dismounting slide rail to disengage from the upper roll system.

[0024] S6. Upper roll system transfer: the supporting plate extends into the lower installation area again, the jacking module is depressurized to make the upper roll system fall on the supporting plate; the supporting plate carries the upper roll system back to the conveying vehicle to complete the dismounting.

[0025] The beneficial effects of the present application are:

[0026] The quick roller changing structure and quick roller changing method for heavy-duty rolling equipment involved in the present invention realize the efficient and safe replacement of heavy-duty roller systems through modular design and process optimization; a special disassembly slide rail and a movable bending cylinder seat matching structure are set in the upper and lower installation areas, and the coordinated operation of the bottom jacking module and the transfer trolley is combined to significantly improve the efficiency of traditional roller changing operations; the innovative slide rail guiding system ensures the precise movement of the bending cylinder seat along the first disassembly slide rail, the second disassembly slide rail, and the third disassembly slide rail to avoid positioning deviations in manual operations; the material receiving track of the transfer trolley is accurately docked with the frame feeding track through the positioning holes of the first connecting frame and the second connecting frame, and the chain transmission of the drive assembly is cooperated to realize the smooth entry and exit of the pallet; the support block of the jacking module matches the bottom contour of the lower roller system, and the air avoidance groove design on the pallet ensures interference-free load transfer process. The entire system adopts a standardized process of removing the lower roller first and the upper roller last. Through detachable connection structures such as connecting pins and sliding seats, rapid separation is achieved while ensuring the stability of equipment operation. This solution is particularly suitable for maintenance operations on large-tonnage roller pressing equipment, and the optimized design of the mechanical structure significantly reduces the intensity of manual operation and safety risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic structural diagram of a quick roller changing structure for heavy roller pressing equipment according to the present invention;

[0028] Figure 2 for Figure 1 A half-section diagram of a quick roll-changing structure for heavy-duty roll-pressing equipment;

[0029] Figure 3 for Figure 1 A schematic diagram of the structure of a quick roller changing structure for heavy roller pressing equipment with some components hidden;

[0030] Figure 4 for Figure 3 A front view of a quick roll changing structure for heavy-duty roll pressing equipment;

[0031] Figure 5 A reference diagram of a first state of a quick roller changing structure for heavy roller pressing equipment according to the present invention;

[0032] Figure 6 for Figure 5 A side view of a quick roll changing structure for heavy-duty roll pressing equipment;

[0033] Figure 7 A reference diagram of a second state of the quick roller changing structure for heavy roller pressing equipment of the present invention;

[0034] Figure 8 A reference diagram of a third state of the quick roller changing structure for heavy roller pressing equipment of the present invention;

[0035] Figure 9 Figure 4 is a fourth state reference diagram of the quick roll changing structure for heavy roll pressing equipment of the present application;

[0036] Figure 10 Figure 5 is a flowchart of the quick roll changing method of the present application.

[0037] Reference numerals in the drawings:

[0038] 10 - frame; 11 - upper mounting area; 12 - lower mounting area;

[0039] 13 - first dismounting slide rail; 14 - second dismounting slide rail;

[0040] 131 - first sliding seat; 141 - second sliding seat;

[0041] 16 - feeding track; 17 - second connecting frame; 171 - second positioning hole;

[0042] 30 - upper roll set; 40 - lower roll set;

[0043] 31 - pressing roll; 32 - connecting shaft; 33 - rotating bearing; 34 - first driving module; 35 - first coupling; 36 - second driving module; 37 - second coupling;

[0044] 51 - first front bending cylinder seat; 52 - first rear bending cylinder seat; 53 - second front bending cylinder seat; 54 - second rear bending cylinder seat; 55 - first front bending cylinder group; 56 - first rear bending cylinder group; 57 - second front bending cylinder group; 58 - second rear bending cylinder group; 59 - connecting pin;

[0045] 60 - jacking module; 61 - hydraulic cylinder; 62 - supporting block; 63 - supporting surface;

[0046] 70 - transfer trolley; 71 - conveying trolley; 72 - receiving track; 73 - supporting plate; 74 - clearance groove; 75 - driving motor; 76 - transmission chain; 77 - first connecting frame; 78 - first positioning hole;

[0047] 80 - machine shell; 81 - rear shell; 82 - front sealing door; 83 - sliding door. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0049] In the description of the present invention, it should be noted that the terms "vertical," "upper," "lower," and "horizontal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0050] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0051] like Figures 1 to 9 The figure shows a quick roll-changing structure for heavy-duty rolling equipment according to the present invention, comprising the rolling equipment and a transfer trolley 70. The rolling equipment comprises a frame 10, an upper roller system 30, a lower roller system 40, and a bending cylinder system. The frame 10 is a split design, forming an upper mounting area 11 and a lower mounting area 12 that are interconnected. The upper roller system 30 is mounted in the upper mounting area 11, and the lower roller system 40 is mounted in the lower mounting area 12. The front and rear ends of the upper roller system 30 are respectively provided with a first forward bending cylinder seat 51 and a first backward bending cylinder seat 52. The front and rear ends of the lower roller system 40 are respectively provided with a second forward bending cylinder seat 53 and a second backward bending cylinder seat 54. The upper mounting area 11 is provided with a first disassembly rail 13, which is disposed at the rear end of the upper roller system 30. The first forward bending cylinder seat 51 is slidably connected to the first disassembly rail 13, and the first backward bending cylinder seat 52 is slidably connected to the second disassembly rail 14. The lower mounting area 12 is provided with a second disassembly rail 14, located at the rear end of the lower roller system 40. The second rear-bend cylinder seat 54 is slidably connected to the second disassembly rail 14. A lifting module 60 for lifting support is provided at the center of the bottom of the lower mounting area 12, and a feed track 16 is also provided at the bottom. The bending cylinder system includes a first front-bend cylinder group 55 connected to the first front-bend cylinder seat 51, a first rear-bend cylinder group 56 connected to the first rear-bend cylinder seat 52, a second front-bend cylinder group 57 connected to the second front-bend cylinder seat 53, and a second rear-bend cylinder group 58 connected to the second rear-bend cylinder seat 54. The transfer trolley 70 includes a transport vehicle 71, a material receiving track 72 fixed to the top of the transport vehicle 71, and a support plate 73 slidably connected to the material receiving track 72. When the material receiving track 72 docks with the feed track 16, the support plate 73 can slide along the track into the lower mounting area 12 to receive and remove the roller system.

[0052] When the upper roll system 30 and the lower roll system 40 need to be disassembled and maintained, the operation process of disassembling the lower roll system 40 first and then disassembling the upper roll system 30 is adopted:

[0053] First, as shown in Figure 5 and Figure 6 , the lower roll system 40 is lifted by the jacking module 60 and abuts against the lower roll system 40 to avoid falling, and the connection between the second front and rear cylinder bases 53 and 54 at both ends of the lower roll system 40 and the cylinder system is released; then the second front cylinder base 53 is moved out of the rack 10 to open one end and facilitate the subsequent removal of the upper roll system 30 and the lower roll system 40, while the second rear cylinder base 54 slides along the second disassembly slide rail 14 and is separated from the lower roll system 40; then the pallet 73 of the transfer trolley 70 extends into the lower installation area 12, the jacking module 60 is depressurized to place the lower roll system 40 on the pallet 73; finally, the lower roll system 40 is smoothly removed by the transfer trolley 70.

[0054] After the disassembly of the lower roll system 40 is completed, as shown in Figures 7 to 9 , the upper roll system 30 is lifted by the jacking module 60 and abuts against the upper roll system 30 to avoid falling, and the connection between the first front and rear cylinder bases 51 and 52 at both ends of the upper roll system 30 and the cylinder system is released; then the first front cylinder base 51 is disassembled, the first rear cylinder base 52 slides backward along the first disassembly slide rail 13, so that the first front and rear cylinder bases 51 and 52 are separated from the upper roll system 30; then the pallet 73 of the transfer trolley 70 extends into the lower installation area 12, the jacking module 60 is depressurized to place the upper roll system 30 on the pallet 73; finally, the upper roll system 30 is smoothly removed by the transfer trolley 70.

[0055] Through the above structure and process, the upper roll system 30 and the lower roll system 40 are quickly disassembled, the entire disassembly process does not require manual hoisting, only a few operators can complete it in a short time, greatly improving the disassembly efficiency and safety.

[0056] The upper roller system 30 and the lower roller system 40 are designed in a standardized manner and have the same structure. The upper roller system 30 and the lower roller system 40 each include a compression roller 31 and two rotating bearings 33, wherein the compression roller 31 is integrally formed with a connecting shaft 32 at both ends thereof; the rotating bearings 33 are assembled on the outer periphery of the connecting shaft 32 through a hot assembly process; such a symmetrical design not only simplifies the management of spare parts, but also facilitates the standardized operation when disassembling. In addition, a first driving module 34 is arranged in the upper mounting area 11, and the first driving module 34 is in driving connection with the connecting shaft 32 of the upper roller system 30 through a first coupling 35; a second driving module 36 is symmetrically arranged in the lower mounting area 12, and the second driving module 36 is in driving connection with the connecting shaft 32 of the lower roller system 40 through a second coupling 37. The first driving module 34 and the second driving module 36 each adopt a configuration of a servo motor combined with a planetary reducer. Such a design makes it only necessary to remove the coupling connection to separate the upper roller system 30 and the lower roller system 40 from the driving system when disassembling the roller system, thereby greatly simplifying the disassembly process.

[0057] The jacking module 60 is arranged at the bottom central position of the lower mounting area 12 and includes a hydraulic cylinder 61 and a supporting block 62. The hydraulic cylinder 61 is a large-tonnage synchronous hydraulic cylinder 61, and a supporting block 62 is arranged at the top end of the piston rod of the hydraulic cylinder 61. The upper surface of the supporting block 62 is precisely machined to form an arc-shaped supporting surface 63 that completely matches the outer contour of the bottom of the lower roller system 40, thereby ensuring that the stress is evenly distributed when jacking. The jacking module 60 can accurately control the lifting action of the lower roller system 40 and the upper roller system 30 during disassembly, thereby providing reliable support for the subsequent transfer of the roller system.

[0058] A connecting pin 59 is arranged between the first front bending cylinder seat 51 and the first front bending cylinder group 55, between the first rear bending cylinder seat 52 and the first rear bending cylinder group 56, between the second front bending cylinder seat 53 and the second front bending cylinder group 57, and between the second rear bending cylinder seat 54 and the second rear bending cylinder group 58, so as to realize detachable connection. Such a connection mode not only ensures the connection rigidity in the working state, but also realizes quick separation during disassembly, thereby greatly improving the efficiency of roller replacement.

[0059] A driving assembly composed of a driving motor 75 and a transmission chain 76 is arranged at the upper end of the conveying vehicle 71, and the bottom of the supporting plate 73 is connected with the transmission chain 76. The driving motor 75 is selected to be a servo motor and is fixedly installed at one end of the material receiving track 72 through a flange. The transmission chain 76 adopts a double-row roller chain structure and is reliably connected with a connecting piece arranged at the bottom of the supporting plate 73. When the driving motor 75 operates, the transmission chain 76 is driven to move, thereby driving the supporting plate 73 to smoothly slide along the material receiving track 72 and the feeding track 16. The chain transmission mechanism has the characteristics of large carrying capacity and smooth operation and is suitable for the transfer operation of heavy roller systems.

[0060] A clearance groove 74 is provided on the support plate 73. When the support plate 73 is moved to its working position within the lower mounting area 12, the clearance groove 74 aligns with the support block 62 of the jacking module 60, ensuring that the two do not interfere. This design allows the support plate 73 to move freely in and out of the working area when the jacking module 60 is raised or lowered, ensuring the function of the equipment while avoiding the risk of structural collision.

[0061] A first connecting bracket 77 is welded to the side of the receiving track 72, with a first positioning hole 78 machined into it. Correspondingly, a symmetrical second connecting bracket 17 is installed on the side of the feed track 16, with a second positioning hole 171 machined into it. When the receiving track 72 and the feed track 16 are docked, the first positioning hole 78 and the second positioning hole 171 are perfectly aligned. Subsequently, a precision-ground locating pin is inserted to secure the connection between the receiving track 72 and the feed track 16. This positioning structure enables fast and precise track docking, providing reliable protection for the safe transfer of the roller system.

[0062] The first disassembly slide rail 13 is provided with a first sliding seat 131 slidably connected thereto, and the first sliding seat 131 is detachably connected to the first rear-bending cylinder seat 52; the second disassembly slide rail 14 is provided with a second sliding seat 141 slidably connected thereto, and the second sliding seat 141 is detachably connected to the second rear-bending cylinder seat 54.

[0063] In addition, a casing 80 is provided on the outside of the frame 10, and the casing includes a rear casing 81 and a front sealing door 82. In addition, a drag door 83 is provided between the rear casing 81 and the front sealing door 82; the drag door 83 is convenient for temporary maintenance of the bending cylinder seat and the bending cylinder system; when the upper roller system 30 and the lower roller system 40 need to be disassembled, it is only necessary to disassemble the front sealing door 82, and there is no need to disassemble the entire casing 80, thereby further reducing the disassembly and maintenance costs.

[0064] like Figure 10 FIG. 1 is a fast roller changing method of the present invention, based on the above-mentioned fast roller changing structure for heavy roller pressing equipment, comprising the following steps:

[0065] S1. Lower roller system disassembly preparation: Start the jacking module 60 to lift the lower roller system 40; so that the second front bending cylinder block 53 and the second front bending cylinder group 57, the second rear bending cylinder block 54 and the second rear bending cylinder group 58 are disconnected;

[0066] S2. Remove the lower roller bending cylinder seat: Move the second front bending cylinder seat 53 out of the frame 10 in the horizontal direction, while the second rear bending cylinder seat 54 slides backward along the second disassembly rail 14 to disengage the lower roller system 40;

[0067] S3. Lower roller system transfer: Figure 5 and Figure 6As shown, the receiving track 72 of the transfer trolley 70 is connected with the feeding track 16, the driving pallet 73 horizontally extends into the lower installation area 12 along the receiving track 72 and is located at the bottom of the lower roller system 40; the jacking module 60 is depressurized to make the lower roller system 40 fall on the driving pallet 73; the driving pallet 73 carries the lower roller system 40 back to the transfer trolley 71;

[0068] S4. Preparation for disassembling the upper roller system: as shown in Figure 7 the jacking module 60 is started to jack up the upper roller system 30; the first front bending cylinder seat 51 and the first front bending cylinder group 55 are disconnected, and the first rear bending cylinder seat 52 and the first rear bending cylinder group 56 are disconnected;

[0069] S5. Removal of the upper roller bending cylinder seat: the first front bending cylinder seat 51 is moved out of the rack 10 along the horizontal direction, and the first rear bending cylinder seat 52 slides backward along the first disassembly slide rail 13 to separate from the upper roller system 30;

[0070] S6. Transfer of the upper roller system: as shown in Figure 8 and Figure 9 the driving pallet 73 extends into the lower installation area 12 again, the jacking module 60 is depressurized to make the upper roller system 30 fall on the driving pallet 73; the driving pallet 73 carries the upper roller system 30 back to the transfer trolley 71 to complete the disassembly.

[0071] Compared with the prior art, the quick roller changing structure and method for heavy roller pressing equipment according to the present application realizes efficient and safe replacement of the heavy roller system through modular design and process optimization; the cooperation structure of the special disassembly slide rail and the movable bending cylinder seat is arranged in the upper and lower installation areas 12, and the bottom jacking module 60 and the transfer trolley 70 are cooperated to significantly improve the efficiency of traditional roller changing operation; the innovative slide rail guiding system ensures accurate movement of the bending cylinder seat along the first disassembly slide rail 13, the second disassembly slide rail 14 and the third disassembly slide rail 15, avoiding positioning deviation in manual operation; the receiving track 72 of the transfer trolley 70 is connected with the feeding track 16 of the rack 10 through the positioning holes of the first connecting frame 77 and the second connecting frame 17, and the chain transmission of the driving assembly is cooperated to realize smooth entry and exit of the driving pallet 73; the supporting block 62 of the jacking module 60 matches the bottom profile of the lower roller system 40, and the design of the air gap slot 74 on the driving pallet 73 ensures no interference in the load transfer process. The whole system adopts a standardized process of disassembling the lower roller first and then disassembling the upper roller, and through the detachable connection structures such as the connecting pin 59 and the sliding seat, the equipment runs stably and is quickly separated; this scheme is particularly suitable for maintenance operation of large-tonnage roller pressing equipment, and significantly reduces the manual operation strength and safety risk through the optimized design of mechanical structure.

[0072] The above merely expresses the preferred technical solutions of the present application, which are described in more detail and in more specifically, but cannot be understood as the limitation of the scope of the present application. It should be noted that for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, and the present application also intends to include these modifications and improvements.

Claims

1. A quick roller changing structure for heavy roller pressing equipment, characterized in that: include: Rolling equipment, the rolling equipment includes a frame, an upper roller system, a lower roller system and a bending cylinder system; the frame includes an upper mounting area and a lower mounting area that are interconnected, the upper roller system is mounted on the upper mounting area, and the lower roller system is mounted on the lower mounting area; the front and rear ends of the upper roller system are respectively provided with a first front bending cylinder seat and a first rear bending cylinder seat, and the front and rear ends of the lower roller system are respectively provided with a second front bending cylinder seat and a second rear bending cylinder seat; the upper mounting area is provided with a first disassembly slide rail, the first disassembly slide rail is provided at the rear end of the upper roller system, and the first rear bending cylinder seat is slidably connected to the first disassembly On the slide rail; the lower installation area is provided with a second disassembly slide rail, the second disassembly slide rail is provided at the rear end of the lower roller system, and the second rear bending cylinder seat is slidably connected to the second disassembly slide rail; the bottom center of the lower installation area is provided with a jacking die set for lifting and supporting the upper roller system or the lower roller system, and the bottom of the lower installation area is also provided with a feeding track; the bending cylinder system includes a first front bending cylinder group connected to the first front bending cylinder seat, a first rear bending cylinder group connected to the first rear bending cylinder seat, a second front bending cylinder group connected to the second front bending cylinder seat, and a second rear bending cylinder group connected to the second rear bending cylinder seat; The transfer trolley includes a conveying vehicle, a material receiving track fixed on the top of the conveying vehicle, and a support plate slidably connected to the material receiving track; When the material receiving track is docked with the material feeding track, the support plate can slide along the material receiving track and the material feeding track into the lower installation area to receive and remove the upper roller system or the lower roller system.

2. The rapid roller changing structure for heavy roller pressing equipment according to claim 1, characterized in that: The upper roller system and the lower roller system have the same structure; the upper roller system and the lower roller system both include a pressure roller and two rotating bearings, connecting shafts extend from both ends of the pressure roller, and the rotating bearings are assembled on the outer periphery of the connecting shaft.

3. The rapid roller changing structure for heavy roller pressing equipment according to claim 1, characterized in that: A first drive module is provided in the upper installation area, and the first drive module is connected to the upper roller system through a first coupling; a second drive module is provided in the lower installation area, and the second drive module is connected to the lower roller system through a second coupling.

4. The rapid roller changing structure for heavy roller pressing equipment according to claim 1, characterized in that: The jacking module includes a hydraulic cylinder and a support block provided at the end of the piston rod of the hydraulic cylinder; the upper surface of the support block forms a supporting surface that matches the outer contour of the bottom of the lower roller system.

5. The rapid roller changing structure for heavy roller pressing equipment according to claim 1, characterized in that: Connecting pins are provided between the first front bending cylinder seat and the first front bending cylinder group, the first rear bending cylinder seat and the first rear bending cylinder group, the second front bending cylinder seat and the second front bending cylinder group, and the second rear bending cylinder seat and the second rear bending cylinder group to achieve detachable connection.

6. The rapid roller changing structure for heavy roller pressing equipment according to claim 1, characterized in that: The transfer trolley also includes a drive assembly arranged at the upper end of the conveying vehicle and connected to the pallet in a transmission manner. The drive assembly includes a drive motor installed at one end of the material receiving track, and a transmission chain connected to the drive motor in a driving manner. The bottom of the pallet is connected to the transmission chain; the drive motor drives the transmission chain to rotate to drive the pallet to slide along the material receiving track and the feeding track.

7. The rapid roller changing structure for heavy roller pressing equipment according to claim 1, characterized in that: The support plate is provided with an air-avoiding groove; when the support plate moves into the lower installation area, the lifting module corresponds to the air-avoiding groove.

8. The rapid roller changing structure for heavy roller pressing equipment according to claim 1, characterized in that: A first connecting frame is fixedly provided on the side of the material receiving track, and a first positioning hole is provided on the first connecting frame; a second connecting frame is fixedly provided on the side of the material feeding track, and a second positioning hole is provided on the second connecting frame; when the material receiving track is docked with the material feeding track, the first positioning hole is aligned with the second positioning hole.

9. The rapid roller changing structure for heavy roller pressing equipment according to claim 1, characterized in that: The first disassembly slide rail is provided with a first sliding seat slidably connected thereto, and the first sliding seat is detachably connected to the first rear-bending cylinder seat; the second disassembly slide rail is provided with a second sliding seat slidably connected thereto, and the second sliding seat is detachably connected to the second rear-bending cylinder seat.

10. A rapid roller changing method, based on the rapid roller changing structure for heavy roller pressing equipment according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Preparation for disassembly of the lower roller system: Start the jacking module to lift and support the lower roller system; disconnect the second front bending cylinder seat and the second front bending cylinder group, and the second rear bending cylinder seat and the second rear bending cylinder group; S2. Removal of the lower roller bending cylinder seat: Move the second front bending cylinder seat horizontally out of the frame, and at the same time, slide the second rear bending cylinder seat backward along the third disassembly rail to disengage from the lower roller system; S3. Lower roller system transfer: Control the transfer trolley's receiving track to dock with the feed track, drive the pallet horizontally along the receiving track into the lower mounting area and located at the bottom of the lower roller system; The lifting module releases pressure, causing the lower roller system to land on the support plate; the support plate carries the lower roller system back to the conveyor vehicle; S4. Preparation for disassembly of the upper roller system: Start the jacking module to lift the upper roller system; disconnect the first front bending cylinder seat and the first front bending cylinder group, the first rear bending cylinder seat and the first rear bending cylinder group; S5. Remove the upper roller bending cylinder seat: Slide the first front bending cylinder seat forward along the first disassembly slide rail to disengage the upper roller system, and slide the first rear bending cylinder seat backward along the second disassembly slide rail to disengage the upper roller system; S6. Transfer of the upper roller system: The support plate extends into the lower installation area again, and the jacking module releases pressure to allow the upper roller system to land on the support plate; the support plate carrying the upper roller system returns to the conveyor vehicle to complete the disassembly.

Images