A toilet paper base paper parent roll segmentable separating device

Abstract

The application provides a sanitary paper raw paper parent roll segmentable separation device, which comprises a rack, a first roll segment separation and pushing assembly and a second roll segment separation and pushing assembly which are arranged in mirror image along the axial direction of the raw paper parent roll. Each assembly comprises a bearing frame which is driven to rotate by a two-way driving oil cylinder, a first supporting frame is arranged on the bearing frame, a second supporting frame is driven to rotate by a three-way driving oil cylinder, a first supporting plate and a second supporting plate are arranged on the first supporting frame and the second supporting frame respectively. When two-way operation is performed, the two assemblies usually move synchronously, so that the first supporting plate and the second supporting plate in each assembly jointly support a roll segment, and the two roll segments are separated from each other; when three-way operation is performed, the two second supporting plates are respectively lifted relative to the adjacent first supporting plates, so that the two end roll segments are separated from the middle roll segment. The device can be switched between the two-way state and the three-way state, and the roll segment adhesion and mutual driving are reduced.

Description

Technical Field

[0001] This application relates to the field of paper processing equipment technology, and in particular to a segmented separation device for toilet paper base rolls. Background Technology

[0002] After the toilet paper base roll is slit, it will form multiple segments along its axis. Although slits have been formed between adjacent segments, the end faces of each segment are usually still in contact with each other and may stick together due to factors such as winding pressure, end face friction and local fiber entanglement. This causes adjacent segments to move together during subsequent unwinding or transfer, making it difficult to maintain an independent and separate state.

[0003] To separate adjacent rolls, some existing devices utilize segmented support structures to cause different rolls to tilt or misalign relative to each other, creating a separation gap between adjacent rolls. However, the roll grouping method of existing segmented support structures is usually quite fixed, and some devices can only separate multiple rolls into two groups. When production conditions require the rolls to be divided into three groups, it may be necessary to rearrange the rolls or perform a secondary separation, making the operation quite cumbersome. Summary of the Invention

[0004] The purpose of this invention is to provide a segmented separation device for toilet paper base rolls in order to solve the above-mentioned problems.

[0005] The technical solution of this application is implemented as follows: This application provides a segmented separation device for toilet paper base rolls, including a frame. A first roll segment separation and pushing component and a second roll segment separation and pushing component are sequentially arranged on the top of the frame along the axial direction of the base roll. The first roll segment separation and pushing component and the second roll segment separation and pushing component have the same structure and are arranged in a mirror symmetrical manner about the middle of the frame. The second roll segment separation and pushing assembly includes two connecting seats, which are fixedly installed on the top of one end of the frame along the axial direction of the original paper roll and are spaced apart and symmetrically arranged along the width direction of the frame; the lower parts of the opposite sides of the two connecting seats are hinged together with a support frame; The top of the support frame is provided with a first support frame and a second support frame in sequence along the axial direction of the original paper roll. The first support frame is fixedly connected to the top of the support frame, and the end of the second support frame away from the middle of the frame is hinged to the upper part of the opposite side of the two connecting seats. Two drive cylinders are provided between the frame and the support frame, and the drive ends of the two drive cylinders are connected to the end of the support frame away from the connecting seat. A three-part drive cylinder is provided between the first support frame and the second support frame, and the drive end of the three-part drive cylinder is connected to the end of the second support frame away from the connecting seat. The top of the first support frame is fixedly installed with a first hinge seat and a first push cylinder on both sides in the width direction of the frame, and a first support plate is movably installed through the first hinge seat and the first push cylinder; The second support frame has a second hinge seat and a second push cylinder fixedly installed on both sides of the top of the frame in the width direction, and a second support plate is movably installed through the second hinge seat and the second push cylinder.

[0006] In one embodiment, the first support plates of the first roll segment separation and pushing component and the second roll segment separation and pushing component are arranged adjacent to each other, the lengths of the two first support plates in the axial direction of the original paper roll are equal, and the sum of their lengths in the axial direction of the original paper roll is equal to the length of any second support plate in the axial direction of the original paper roll.

[0007] In one embodiment, a first pad and two second pads are fixedly installed on the top of the frame; the first pad is located below the end of the support frame of the first roll segment separation and pushing assembly and the second roll segment separation and pushing assembly near the middle of the frame, and supports both support frames; the two second pads are located at the middle of the bottom of the corresponding support frame, and support the corresponding support frame.

[0008] In one embodiment, the cylinder bodies of the two-part drive cylinders are fixedly connected to the middle of the frame; the cylinder bodies of the three-part drive cylinders are fixedly connected to the end of the first support frame away from the middle of the frame.

[0009] In one embodiment, the driving end of the two-part drive cylinder is also connected to the end of the first support frame away from the connecting seat.

[0010] In one embodiment, the top of both the first support frame and the second support frame is provided with a limiting roller seat. The first support plate and the second support plate have an inner side plate surface corresponding to the position of the limiting roller seat. The roller of the limiting roller seat is arranged facing the corresponding inner side plate surface, and the outer peripheral surface of the roller can roll contact with the corresponding inner side plate surface.

[0011] In one embodiment, both the first support plate and the second support plate include two support surfaces that are arranged at opposite angles, and the two support surfaces together define a support recess that extends axially along the master roll of the original paper.

[0012] In one embodiment, a limiting plate is provided at the end of the second support plate of both the first roll segment separation and push assembly and the second roll segment separation and push assembly away from the middle of the frame.

[0013] The advantages or beneficial effects of the above technical solutions include at least the following: This application discloses a segmented separation device for toilet paper base rolls. By mirroring the first roll segment separation and pushing component and the second roll segment separation and pushing component on the top of the frame, and by using two-part drive cylinders and three-part drive cylinders to control the movement of the support frame and the second support frame respectively, the same device can switch between two-part separation state and three-part separation state. During the two-stage operation, the two-stage drive cylinders in the first and second roll segment separation and pushing components usually operate synchronously, driving the two support frames and their corresponding first support frames to rotate in opposite directions. At the same time, each second support frame rotates in coordination under the linkage constraint of its corresponding third-stage drive cylinder, so that the first and second support plates in each roll segment separation and pushing component jointly support a roll segment and cause the two roll segments to move in opposite directions. This results in relative displacement and separation gap between adjacent roll segments at the pre-formed cutting position, reducing or eliminating adhesion caused by end face contact, winding pressure, end face friction and local fiber entanglement, and reducing the possibility of adjacent roll segments driving each other during subsequent unloading or transfer. When performing the three-part operation, the two-part drive cylinders remain in the predetermined extension and retraction state, and the middle section is supported by two adjacent first support plates. The two three-part drive cylinders drive the corresponding second support frame and second support plate to lift relative to the first support plate, so that the end sections on both sides of the middle section are separated from the middle section by a height difference, thus dividing the section into three groups without having to rearrange the sections or perform secondary separation. After separation, each first push cylinder and each second push cylinder can act separately or in combination according to the support area where the roll segment is located, so that each roll segment is unloaded individually or sequentially, further reducing mutual interference between different roll segments. This solves the problems of the relatively fixed roll segment grouping method of the existing segmented support structure, the fact that some devices can only perform two groups of separation, and the cumbersome operation of three groups of separation, thereby improving the adaptability of the device to different roll segment grouping requirements. Attached Figure Description

[0014] The accompanying drawings illustrate exemplary embodiments of the present application and, together with the description thereof, serve to explain the principles of the present application. These drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification.

[0015] Figure 1 A schematic diagram of the overall structure of an embodiment of this application is shown; Figure 2 A schematic diagram of the assembly structure of the rack, the first roll segment separation and pushing component, and the second roll segment separation and pushing component according to an embodiment of this application is shown; Figure 3An exploded structural diagram of the rack, the first roll segment separation and pushing assembly, and the second roll segment separation and pushing assembly according to an embodiment of this application is shown; Figure 4 A schematic diagram of the structure of the second volume segment separation and push component according to an embodiment of this application is shown; Figure 5 A partial structural schematic diagram of the second volume segment separation and push component according to an embodiment of this application is shown; Figure 6 A partial structural schematic diagram of the second volume segment separation and push component according to an embodiment of this application is shown; Figure 7 A schematic diagram of the structure of the first support plate and the second support plate in cooperation with the limiting roller seat according to the embodiments of this application is shown; Figure 8 A structural schematic diagram of the limiting plate according to an embodiment of this application is shown; Reference numerals in the attached drawings: Frame-1, First pad-11, Second pad-12, First roll segment separation and pushing assembly-2, Second roll segment separation and pushing assembly-3, Connecting seat-31, Bearing frame-32, First support frame-33, First hinge seat-331, First pushing cylinder-332, First support plate-333, Second support frame-34, Second hinge seat-341, Second pushing cylinder-342, Second support plate-343, Limiting plate-3431, Two-part drive cylinder-35, Three-part drive cylinder-36, Limiting roller seat-37. Detailed Implementation

[0016] Embodiments of this application will now be described in more detail with reference to the accompanying drawings. While some embodiments of this application are shown in the drawings, it should be understood that this application can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this application. It should be understood that the drawings and embodiments of this application are for illustrative purposes only and are not intended to limit the scope of protection of this application.

[0017] It should be noted that, where there is no conflict, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] It should be understood that the term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc., mentioned in this application are used only to distinguish different devices, modules, or units, and are not intended to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0019] It should be noted that the terms "a" and "several" used in this application are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0020] The names of the messages or information exchanged between multiple devices in the embodiments of this application are for illustrative purposes only and are not intended to limit the scope of these messages or information.

[0021] Reference Figures 1-3 A segmented separation device for toilet paper rolls includes a frame 1. A first segment separation and pushing component 2 and a second segment separation and pushing component 3 are sequentially arranged on the top of the frame 1 along the axial direction of the toilet paper roll. The first segment separation and pushing component 2 and the second segment separation and pushing component 3 have the same structure and are arranged in a mirror symmetrical manner about the middle of the frame 1. The frame 1 is preferably made of steel profiles welded to form a frame structure to bear the load generated by the toilet paper roll and each separation and pushing component. The first segment separation and pushing component 2 and the second segment separation and pushing component 3 are used together to support the toilet paper roll and provide a bearing base that can be lifted separately for the toilet paper roll to be separated into two or three parts at the pre-formed cutting position.

[0022] In this embodiment, a scissor lift mechanism is also provided at the bottom of the frame 1. This scissor lift mechanism adopts the existing scissor lift platform structure and is used to drive the frame 1 and the first roll separation and pushing component 2 and the second roll separation and pushing component 3 to lift as a whole, thereby adjusting the support position of the device according to the conveying height of the original paper roll. The specific drive form of the scissor lift mechanism can be selected according to the equipment configuration. It is only used for the overall height adjustment of the device and does not participate in the two-part and three-part separation actions of the original paper roll.

[0023] Continue to refer to Figures 4-6The second roll segment separation and pushing assembly 3 includes two connecting seats 31. The two connecting seats 31 are fixedly installed on the top of one end of the frame 1 along the axial direction of the original paper roll, and are spaced apart and symmetrically arranged along the width direction of the frame 1. The lower part of the opposite side of the two connecting seats 31 is hinged to a support frame 32. The two connecting seats 31 support the support frame 32 on both sides along the width direction of the frame 1, and together form the rotation fulcrum of the support frame 32, so that the support frame 32 can rotate stably around the hinge point between it and the connecting seat 31.

[0024] A first support frame 33 and a second support frame 34 are sequentially arranged on the top of the support frame 32 along the axial direction of the original paper roll. The first support frame 33 is fixedly connected to the top of the support frame 32, and the end of the second support frame 34 away from the middle of the frame 1 is hinged to the upper part of the opposite side of the two connecting seats 31. The support frame 32 serves as a rotatable support base for the second roll segment separation and pushing assembly 3, used to install and support the first support frame 33, and bear the load of the first support frame 33 and the roll segment it supports. The support frame 32 is also used to receive the driving force applied by the two-part drive cylinder 35. When the support frame 32 rotates, the first support frame 33 and the first support plate 333 on it move synchronously with the support frame 32. The second support frame 34 uses its hinge point with the connecting seat 31 as the pivot point, and its rotation state relative to the first support frame 33 is controlled by the three-part drive cylinder 36.

[0025] Two drive cylinders 35 are provided between the frame 1 and the support frame 32. The drive end of the two drive cylinders 35 is connected to the end of the support frame 32 away from the connecting seat 31. In this embodiment, the first roll segment separation and pushing component 2 and the second roll segment separation and pushing component 3 each have two sets of two drive cylinders 35. The two sets of two drive cylinders 35 are spaced apart along the width direction of the frame 1 and apply driving force to both sides of the corresponding support frame 32 along the width direction of the frame 1, so that the support frame 32 is subjected to balanced force and the swaying of the support frame 32 during rotation is reduced.

[0026] A three-stage drive cylinder 36 is provided between the first support 33 and the second support 34. The drive end of the three-stage drive cylinder 36 is connected to the end of the second support 34 away from the connecting seat 31. When performing two-stage operations, the three-stage drive cylinder 36 maintains a predetermined extension and retraction state and forms a linkage constraint between the first support 33 and the second support 34. When the two-stage drive cylinder 35 is activated, the end of the drive support frame 32 away from the connecting seat 31 is lifted, causing the support frame 32 to rotate around its hinge with the connecting seat 31, and driving the first support frame 33 fixed to the top of the support frame 32 to rotate and lift synchronously with the support frame 32; at the same time, the second support frame 34 moves synchronously with the first support frame 33 under the connection constraint of the three-stage drive cylinder 36, and rotates around its hinge with the connecting seat 31, thereby driving the second support plate 343 and the first support plate 333 to lift synchronously, so that the first support plate 333 and the second support plate 343 maintain a mutually cooperating support posture and jointly support the corresponding roll segment.

[0027] The two-part drive cylinders 35 in the first roll segment separation and pushing assembly 2 and the second roll segment separation and pushing assembly 3 are controlled separately, and the two sets of two-part drive cylinders 35 in the same roll segment separation and pushing assembly operate synchronously. When performing two-part operations, only the two sets of two-part drive cylinders 35 in one roll segment separation and pushing assembly can be controlled to operate as needed, so that the roll segment supported by the roll segment separation and pushing assembly is lifted relative to the other roll segment, thereby separating the two roll segments at the pre-formed cutting position, without the need for the first roll segment separation and pushing assembly 2 and the second roll segment separation and pushing assembly 3 to be lifted simultaneously.

[0028] During the three-section operation, the two-section drive cylinders 35 maintain a predetermined extension / retraction state, keeping the support frame 32, the first support frame 33, and the first support plate 333 in their current support positions. The three-section drive cylinder 36 drives the corresponding second support frame 34 to lift the end away from the connecting seat 31, causing the second support frame 34 to rotate independently relative to the first support frame 33 around its hinge point with the connecting seat 31, and driving the second support plate 343 to lift independently relative to the adjacent first support plate 333, thereby creating a height difference between the second support plate 343 and the adjacent first support plate 333, causing the adjacent roll segments to separate at the pre-formed cutting position. The two three-section drive cylinders 36 in the first roll segment separation and pushing assembly 2 and the second roll segment separation and pushing assembly 3 are controlled separately. The two three-section drive cylinders 36 can act synchronously or sequentially. When acting sequentially, each time an end roll segment is separated from the middle roll segment, after both three-section drive cylinders 36 have completed their corresponding actions, three mutually separated roll segments are formed.

[0029] The cylinder body of the two-part drive cylinder 35 is fixedly connected to the middle of the frame 1; the cylinder body of the three-part drive cylinder 36 is fixedly connected to the end of the first support frame 33 away from the middle of the frame 1. The above installation method provides the frame 1 and the first support frame 33 with a stable reaction force foundation for the two-part drive cylinder 35 and the three-part drive cylinder 36 respectively, so that the two-part drive cylinder 35 can drive the support frame 32 to rotate, and at the same time, the three-part drive cylinder 36 can move with the first support frame 33 and drive the second support frame 34 to rotate relative to the first support frame 33, thereby ensuring the stable power transmission of the two-part action and the three-part action. The driving end of the two-part drive cylinder 35 is also connected to the end of the first support frame 33 away from the connecting seat 31. Thus, the driving force generated by the two-part drive cylinder 35 can act on the support frame 32 and the first support frame 33 at the same time, avoiding the transmission of all the driving force through the fixed connection between the first support frame 33 and the support frame 32. This disperses the load borne by the fixed connection, reduces the relative deformation of the first support frame 33 and the support frame 32 during the lifting process, and improves the stability of the two-part action.

[0030] A first hinge seat 331 and a first push cylinder 332 are fixedly installed on both sides of the top of the first support frame 33 in the width direction of the frame 1, and a first support plate 333 is movably installed through the first hinge seat 331 and the first push cylinder 332. In this embodiment, with the direction in which the first support plate 333 rotates toward the unloading side as the front, the first hinge seat 331 is located on the front side of the top of the first support frame 33, and the first push cylinder 332 is located on the rear side of the top of the first support frame 33. The first push cylinder 332 is inclined relative to the top of the first support frame 33 so that when it moves, it generates a component force for lifting the first support plate 333, thereby driving the first support plate 333 to rotate toward the unloading side.

[0031] The second support frame 34 has a second hinge seat 341 and a second push cylinder 342 fixedly installed on both sides of the top of the frame 1 in the width direction. The second support plate 343 is movably installed through the second hinge seat 341 and the second push cylinder 342. The second hinge seat 341 is located on the front side of the top of the second support frame 34, and the second push cylinder 342 is located on the rear side of the top of the second support frame 34. The second push cylinder 342 is also inclined relative to the top of the second support frame 34 to drive the second support plate 343 to rotate toward the unloading side.

[0032] In this embodiment, each first pushing cylinder 332 and each second pushing cylinder 342 are controlled separately, and can operate independently or in combination according to the support area of ​​the corresponding roll segment. During two-part unloading, the same roll segment is supported by a first support plate 333 and an adjacent second support plate 343. The corresponding first pushing cylinder 332 and second pushing cylinder 342 can be controlled to cooperate, causing the roll segment to flip towards the unloading side while the other roll segment remains supported. During three-part unloading, the middle roll segment is supported by two adjacent first support plates 333, and the corresponding two first pushing cylinders 332 can be controlled to cooperate. The end roll segments located on both sides of the middle roll segment are supported by corresponding second support plates 343, and the corresponding second pushing cylinders 342 can be controlled to operate independently. Therefore, each roll segment can be unloaded individually or sequentially, without requiring all pushing cylinders to operate simultaneously.

[0033] In one embodiment, reference is made to Figure 3 , Figure 4 , Figure 7 and Figure 8 The first support plates 333 of the first roll segment separation and pushing component 2 and the second roll segment separation and pushing component 3 are arranged adjacent to each other. The lengths of the two first support plates 333 in the direction of the original paper roll axis are equal, and the sum of their lengths in the direction of the original paper roll axis is equal to the length of any second support plate 343 in the direction of the original paper roll axis. Thus, in the two-part state, the first support plate 333 and the second support plate 343 in each roll segment separation and pushing component can jointly form a roll segment support area. The support lengths of the two roll segment support areas in the direction of the original paper roll axis are equal, so as to support the two roll segments formed by equal length cutting respectively. In the three-part state, the support area formed by the two adjacent first support plates 333 is equal in length to the support area formed by any second support plate 343, thereby forming three roll segment support areas of equal length, which respectively support the three roll segments formed by equal length cutting. Based on the aforementioned length relationships, without replacing the support plate or adjusting its installation position on the axial direction of the original paper roll, the same device can be adapted to the equal-length two-part and equal-length three-part operations of the original paper roll.

[0034] In one embodiment, reference is made to Figures 3-4A first pad 11 and two second pads 12 are fixedly installed on the top of the frame 1. The first pad 11 is located below the end of the support frame 32 of the first roll separation and pushing assembly 2 and the second roll separation and pushing assembly 3 near the middle of the frame 1, and supports the two support frames 32 at the same time. The two second pads 12 are located at the middle of the bottom of the corresponding support frame 32, and support the corresponding support frame 32. When the two support frames 32 are in the reset state, the first pad 11 jointly supports the end of the two support frames 32 near the middle of the frame 1, and the two second pads 12 support the middle of the corresponding support frame 32, so that the two support frames 32 obtain multi-point support along the axial direction of the original paper roll and are maintained at the predetermined initial height.

[0035] This configuration allows the load generated by the support frame 32, the support plate, and the supported roll section to be directly transferred to the frame 1, preventing the load from being concentrated on the two-part drive cylinder 35 and the hinge between the support frame 32 and the connecting seat 31 for a long period of time. It also reduces the downward deflection or swaying of the support frame 32 when supporting the original paper roll. When the two-part drive cylinder 35 drives the corresponding support frame 32 to rise, the support frame 32 separates from the first pad 11 and the corresponding second pad 12. After the support frame 32 descends and resets, it is supported again on the first pad 11 and the corresponding second pad 12, thus limiting the reset position of the support frame 32 and restoring the two support frames 32 to a mutually matching support height.

[0036] In one embodiment, reference is made to Figure 7 The top of the first support frame 33 and the second support frame 34 are both provided with limiting roller seats 37. The first support plate 333 and the second support plate 343 have inner side plates corresponding to the positions of the limiting roller seats 37. The rollers of the limiting roller seats 37 are arranged facing the corresponding inner side plates, and the outer peripheral surface of the rollers can roll in contact with the corresponding inner side plates. When the first support plate 333 and the second support plate 343 are in the supporting state, the rollers of the limiting roller seat 37 are in relative engagement with the corresponding inner side plate surfaces. When the axial force generated by the pull shaft causes the first support plate 333 or the second support plate 343 to have an axial movement tendency, the corresponding inner side plate surfaces abut against the rollers of the limiting roller seat 37, and the rollers form axial support for the first support plate 333 or the second support plate 343, and transmit the axial force to the first support frame 33 or the second support frame 34, thereby restricting the first support plate 333 and the second support plate 343 from shifting along the axial direction of the original paper roll.

[0037] When the first push cylinder 332 and the second push cylinder 342 drive the corresponding first support plate 333 and second support plate 343 to flip or lower and reset towards the unloading side, within the stroke range of the roller contacting the corresponding inner side plate surface, the inner side plate surface moves relative to the roller and drives the roller to rotate, so that the two form rolling contact. The limiting roller seat 37 guides the flipping and reset of the first support plate 333 and the second support plate 343, while reducing the sliding friction generated by the relative movement and reducing the possibility of the support plate getting stuck or axial reset offset.

[0038] In one embodiment, reference is made to Figure 8 The first support plate 333 and the second support plate 343 each include two support surfaces arranged at opposite inclinations. These two support surfaces together define a support recess extending axially along the master roll of paper. The two relatively inclined support surfaces can support the roll segment from both sides of its circumference, allowing the roll segment to fall stably into the support recess under its own weight and generating a self-centering effect, thereby limiting the roll segment from rolling or shifting along the width direction of the frame 1. The support recess extends axially along the master roll of paper, providing continuous support for the roll segment within its axial length range, distributing the load applied to the first support plate 333 and the second support plate 343, and maintaining the positional stability of the roll segment during the pull-out and segment separation processes.

[0039] Since each roll segment of different diameter can form a corresponding support position with the two inclined support surfaces, the support recess can accommodate roll segments of different diameters within a certain range. When the first support plate 333 or the second support plate 343 rotates toward the unloading side, the corresponding support surface can also form an inclined guide surface to guide the supported roll segment to move smoothly toward the unloading side.

[0040] In one embodiment, reference is made to Figure 8 Each of the first roll segment separation and pushing component 2 and the second roll segment separation and pushing component 3 has a limiting plate 3431 at one end of its second support plate 343 away from the middle of the frame 1. During the pull-out process, the friction between the roll and the roll segment core can easily cause the roll segment to move along the pull-out direction of the roll. The limiting plate 3431 can abut against the axial end face of the corresponding roll segment to restrict the roll segment from moving along the axial direction of the original paper roll, prevent the roll segment from moving with the roll or slipping off the axial outer end of the second support plate 343, and keep the roll segment in the corresponding support area.

[0041] When performing two- or three-part operations, the limiting plate 3431 can also limit the ends of the roll segments located at both ends of the axial direction of the device, reducing axial displacement during the lifting and separation of the roll segments. Since the limiting plate 3431 is located at the axial end of the second support plate 343, it will not obstruct the rotation of the first support plate 333 and the second support plate 343 toward the unloading side of the frame 1, nor will it hinder the unloading of the roll segments along the width direction of the frame 1.

[0042] Working principle: During operation, the frame 1, the first roll segment separation and pushing component 2 and the second roll segment separation and pushing component 3 are lifted and lowered as a whole by the scissor lift mechanism, so that the first support plate 333 and the second support plate 343 reach the support position that matches the conveying height of the original paper roll. Each roll segment pre-cut on the original paper roll enters the support recess of the corresponding first support plate 333 and the second support plate 343, and the roll segment is supported and positioned by the two support surfaces that are relatively inclined. In the initial support state, the first pad 11 and the two second pads 12 jointly support the two support frames 32 to keep each support plate at a predetermined support height. When the roll of the original paper mother roll is pulled out, the two limiting plates 3431 respectively abut against the roll segments located at both ends of the device axis to restrict the roll segments from moving along the axis of the original paper mother roll. At the same time, the rollers of the limiting roller seat 37 cooperate with the inner side plate surface of the corresponding first support plate 333 or second support plate 343 to restrict the support plate from shifting along the axis of the original paper mother roll. When performing two-part operations, each of the three-part drive cylinders 36 maintains a predetermined extension / retraction state and forms a linkage constraint between the corresponding first support frame 33 and second support frame 34. The two sets of two-part drive cylinders 35 in the same roll segment separation and pushing assembly operate synchronously. Under normal circumstances, the two-part drive cylinders 35 in the first roll segment separation and pushing assembly 2 and the second roll segment separation and pushing assembly 3 operate simultaneously, pushing the ends of the two support frames 32 near the middle of the frame 1 to lift synchronously, so that the two support frames 32 rotate in opposite directions around their hinge points with the corresponding connecting seats 31. Each first support frame 33 and its first support plate 333 rotate and lift synchronously with the corresponding support frame 32. At the same time, each second support frame 34... Under the linkage constraint of the three-part drive cylinder 36, the cylinder moves synchronously around the hinge point between the cylinder and the connecting seat 31, so that the first support plate 333 and the second support plate 343 in the same roll segment separation and pushing assembly maintain a mutually cooperating support posture and jointly support the corresponding roll segment. As the two support frames 32 rotate synchronously, the two roll segments respectively form a support state that is inclined towards the two ends of the machine frame 1 and move in opposite directions, thereby separating from each other at the pre-formed cutting position. According to the actual operation needs, the two drive cylinders 35 in the first roll segment separation and pushing assembly 2 and the second roll segment separation and pushing assembly 3 can also operate separately, so that the two roll segments are misaligned and separated by lifting only one of the roll segments. When performing three-part operations, each pair of drive cylinders 35 maintains a predetermined extension / retraction state, keeping the two support frames 32, the two first support frames 33, and the two first support plates 333 in their current support positions. The two three-part drive cylinders 36 in the first roll segment separation and pushing assembly 2 and the second roll segment separation and pushing assembly 3 operate synchronously or sequentially, pushing the corresponding second support frame 34 to rotate relative to the first support frame 33 around its hinge with the connecting seat 31, causing the two second support plates 343 to rise relative to the adjacent first support plates 333. The two adjacent first support plates 333 jointly support the middle roll segment, and the two second support plates 343 respectively support the end roll segments located on both sides of the middle roll segment, thereby creating a height difference between the two end roll segments and the middle roll segment, and separating them from each other at the pre-formed cutting position. After completing two or three unloading operations, the corresponding push cylinders are controlled according to the support area where the roll to be unloaded is located. In the two-part unloading state, the first push cylinder 332 and the second push cylinder 342 supporting the same roll cooperate to drive the first support plate 333 to rotate around the first hinge seat 331 and the second support plate 343 to rotate around the second hinge seat 341, so that the corresponding first support plate 333 and the second support plate 343 flip together toward the unloading side of the frame 1 to unload the corresponding roll. In the three-part unloading state, the two first push cylinders 332 cooperate to drive the two adjacent first support plates 333 to flip toward the unloading side to unload the middle roll, and each second push cylinder 342 can drive the corresponding second support plate 343 to flip toward the unloading side to unload the corresponding end roll, so that each roll can be unloaded synchronously, separately or sequentially. During the flipping and lowering reset of the first support plate 333 and the second support plate 343, the rollers of the limiting roller seat 37 roll along the corresponding inner side plate surface to guide the support plate and reduce sliding friction. The roll segment moves out along the inclined support surface to the unloading side. After unloading is completed, each of the first push cylinders 332 and the second push cylinders 342 drives the corresponding first support plate 333 and the second support plate 343 to lower and reset. The two drive cylinders 35 and the three drive cylinders 36 return to their initial state. The two support frames 32 are supported again on the first pad 11 and the corresponding second pad 12 to wait for the separation operation of the next raw paper roll.

[0043] In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0044] Those skilled in the art should understand that the above embodiments are merely for illustrative purposes and are not intended to limit the scope of this application. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of this application.

Claims

1. A segmented separation device for toilet paper base rolls, characterized in that: Includes a frame (1), on the top of the frame (1) along the axial direction of the original paper roll, a first roll segment separation and pushing component (2) and a second roll segment separation and pushing component (3) are arranged in sequence. The first roll segment separation and pushing component (2) and the second roll segment separation and pushing component (3) have the same structure and are arranged in a mirror symmetrical manner about the middle of the frame (1). The second roll segment separation and pushing assembly (3) includes two connecting seats (31). The two connecting seats (31) are fixedly installed on the top of one end of the frame (1) along the axis of the original paper roll and are spaced apart and symmetrically arranged along the width direction of the frame (1). The lower part of the opposite side of the two connecting seats (31) is hinged with a bearing frame (32). The top of the support frame (32) is provided with a first support frame (33) and a second support frame (34) in sequence along the axial direction of the original paper roll. The first support frame (33) is fixedly connected to the top of the support frame (32), and the end of the second support frame (34) away from the middle of the frame (1) is hinged to the upper part of the opposite side of the two connecting seats (31). Two drive cylinders (35) are provided between the frame (1) and the support frame (32), and the drive end of the two drive cylinders (35) is connected to the end of the support frame (32) away from the connecting seat (31). A three-part drive cylinder (36) is provided between the first support frame (33) and the second support frame (34), and the drive end of the three-part drive cylinder (36) is connected to the end of the second support frame (34) away from the connecting seat (31). The top of the first support frame (33) is fixedly installed with a first hinge seat (331) and a first push cylinder (332) on both sides of the frame (1) in the width direction, and a first support plate (333) is movably installed through the first hinge seat (331) and the first push cylinder (332). The second support frame (34) has a second hinge seat (341) and a second push cylinder (342) fixedly installed on both sides of the frame (1) in the width direction, and a second support plate (343) is movably installed through the second hinge seat (341) and the second push cylinder (342).

2. The segmented separation device for toilet paper base rolls according to claim 1, characterized in that: The first support plate (333) of the first roll segment separation and pushing component (2) and the second roll segment separation and pushing component (3) are arranged adjacent to each other. The lengths of the two first support plates (333) in the direction of the original paper roll axis are equal, and the sum of their lengths in the direction of the original paper roll axis is equal to the length of any second support plate (343) in the direction of the original paper roll axis.

3. The segmented separation device for toilet paper base rolls according to claim 1, characterized in that: A first pad (11) and two second pads (12) are fixedly installed on the top of the frame (1); the first pad (11) is located below the end of the support frame (32) of the first roll segment separation and pushing assembly (2) and the second roll segment separation and pushing assembly (3) near the middle of the frame (1), and supports the two support frames (32) at the same time; the two second pads (12) are located at the middle of the bottom of the corresponding support frame (32), and support the corresponding support frame (32).

4. The segmented separation device for toilet paper base rolls according to claim 1, characterized in that: The cylinder body of the two-part drive cylinder (35) is fixedly connected to the middle of the frame (1); the cylinder body of the three-part drive cylinder (36) is fixedly connected to one end of the first support frame (33) away from the middle of the frame (1).

5. The segmented separation device for toilet paper base rolls according to claim 1, characterized in that: The driving end of the two-part drive cylinder (35) is also connected to the end of the first support frame (33) away from the connecting seat (31).

6. The segmented separation device for toilet paper base rolls according to claim 1, characterized in that: The top of the first support frame (33) and the second support frame (34) are provided with a limiting roller seat (37). The first support plate (333) and the second support plate (343) have an inner side plate corresponding to the position of the limiting roller seat (37). The roller of the limiting roller seat (37) is arranged facing the corresponding inner side plate, and the outer peripheral surface of the roller can roll contact with the corresponding inner side plate.

7. The segmented separation device for toilet paper base rolls according to claim 1, characterized in that: Both the first support plate (333) and the second support plate (343) include two support surfaces that are arranged at opposite inclinations, and the two support surfaces together define a support recess that extends along the axial direction of the original paper roll.

8. The segmented separation device for toilet paper base rolls according to claim 1, characterized in that: The second support plate (343) of the first roll segment separation and push assembly (2) and the second roll segment separation and push assembly (3) are provided with a limit plate (3431) at one end away from the middle of the frame (1).

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