Multi-roller alternate uncoiler and control method thereof

Abstract

The invention discloses a multi-roller alternate uncoiler and a control method thereof, and relates to the technical field of multi-roller alternate uncoiler equipment, and the multi-roller alternate uncoiler comprises a supporting frame, a guide feeding assembly and a driving assembly. At least two rotatable roll shaft positioning assemblies are arranged on the supporting frame. Each roll shaft positioning assembly is provided with at least two groups of roll shaft fixing pieces; the guiding and feeding assembly is matched with the supporting frame and used for guiding the belt-shaped materials on the designated roller shaft to be unfolded outwards; the driving assembly is arranged on the supporting frame; the driving assembly comprises a pushing part in transmission connection with the roll shaft positioning assembly and a transmission part in transmission connection with the roll shaft positioning assembly; the pushing part is used for driving the two roll shaft positioning assemblies to change positions on the supporting frame, and the transmission part is used for driving the roll shafts to rotate for uncoiling. The uncoiling machine can achieve the rapid coil changing function, the uncoiling efficiency is improved, and meanwhile follow-up automatic development is facilitated.

Description

Technical Field

[0001] The present application generally relates to the technical field of multi-roller alternating uncoiler equipment, and specifically relates to a multi-roller alternating uncoiler and a control method thereof. Background Art

[0002] In the production work of our national economy, many materials such as automobile sealing strips, cables, fiber filaments, steel belts, cables, etc. are packaged using rollers made of wood, plastic, iron and other materials. The materials need to be rolled onto the rollers during packaging, and they need to be unfolded from the rollers to the use environment during use.

[0003] The existing unwinding machine generally has one unwinding station, which can only be replaced after the coil is used up. This will cause a long production pause, so a double-station unwinding machine that can quickly switch two coils to achieve continuous production came into being. The double-station unwinding machine can not only improve production efficiency, but also reduce downtime, and adapt to a variety of usage environments and technical problems.

[0004] On this basis, with the continuous development of science and technology, the convenience of double-station uncoilers and the supported automation design have gradually entered the field of vision of R&D personnel. Due to the planning of production plans and production cycles, the rapid material change structure design and risk warning of double-station uncoilers have become urgent problems to be solved. To this end, we propose a multi-roller alternating uncoiler and its control method. Summary of the invention

[0005] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a multi-roller alternating uncoiler and a control method thereof.

[0006] In a first aspect, the present application provides a multi-roller alternating uncoiler, comprising: A support frame, on which at least two rotatable roller positioning assemblies are arranged; each of the roller positioning assemblies comprises at least two groups of roller fixing members arranged along a first direction, the roller fixing members are used to place the roller assembly, and the roller assembly has a strip material circumferentially wound around its axis; The roller assembly comprises: two limit plates and an intermediate shaft arranged between the two limit plates; the intermediate shaft is used to wind the strip material; a surplus mark is provided on the inner side of the limit plate, and the surplus mark is used to record the material surplus of the strip material; A guide feeding assembly, the guide feeding assembly is arranged in cooperation with the support frame, and is used to guide the strip material on the designated roller to be unfolded outward; the designated roller is the roller assembly moved to the guide feeding assembly; A driving assembly, wherein the driving assembly is arranged on the supporting frame; the driving assembly comprises: a same pushing part which is transmission-connected to the two roller positioning assemblies, and a transmission part which is transmission-connected to the two roller positioning assemblies respectively; the pushing part is used for switching the two roller positioning assemblies to move to the guide feeding assembly for unwinding; the transmission part is used for driving the corresponding roller fixing part to rotate, so as to drive the roller assembly to rotate and unwind.

[0007] According to the technical solution provided in the present application, the support frame is provided with two guide rails arranged opposite to each other, and the guide rails extend along the length direction of the support frame; the guide rails are also provided with a follower frame which can slide along the guide rails, and the follower frame is used to support the roller positioning assembly.

[0008] According to the technical solution provided in the present application, the guide feeding assembly comprises: a positioning bracket, on which a positioning guide wheel, a support wheel and a follower guide wheel are arranged; the strip material sequentially passes through the support wheel, the follower guide wheel and the positioning guide wheel to unfold to the outside; Among them, the support wheel is arranged on the top of the positioning bracket, the positioning guide wheel is fixedly arranged on the first sub-bracket of the positioning bracket, and is located below the support wheel and above the follower guide wheel; the follower guide wheel is slidably arranged on the second sub-bracket of the positioning bracket.

[0009] According to the technical solution provided by the present application, the pushing part includes: the pushing part includes: a driving motor, the driving end of the driving motor drives the roller positioning assembly to rotate through a chain and a sprocket; The transmission part comprises: a cylinder, a driving end of the cylinder is connected to the follower frame, and is used to drive the follower frame to slide along the guide rail.

[0010] According to the technical solution provided by the present application, the guide feeding assembly further includes: a signal detection unit and a residual quantity monitoring unit; The signal detection unit is used to monitor the distance between the positioning guide wheel and the follower guide wheel, and generate a corresponding distance signal to adjust the unwinding speed of the multi-roller alternating unwinding machine; The remaining amount monitoring unit is used to collect first data at the guide feeding component and monitor the material remaining amount on the designated roller through the first data.

[0011] In a second aspect, the present application provides a control method for a multi-roller alternating uncoiler, which is applied to the above-mentioned multi-roller alternating uncoiler, and the control method comprises: Continuously acquiring first data of a first preset position, wherein the first preset position is located at the guide feeding assembly; the first data is used to reflect the unwinding state of the designated roller; According to the first data, obtaining the material remaining amount on the corresponding designated roller; Determine whether the material surplus is less than a preset surplus threshold value, and if so, issue a first prompt message, and control another roller positioning assembly with the roller assembly to move along the extension direction of the support frame to the guide feeding assembly; the first prompt message is used to prompt the user to replace the roller assembly; Confirm the material properties of the roller assembly, and based on the material properties, obtain unwinding operation information corresponding to the roller assembly to control the operation of the roller positioning assembly currently moving to the guide feeding assembly; the unwinding operation information at least includes: an unwinding speed and a tension range corresponding to the material properties.

[0012] According to the technical solution provided by this application, the control method also includes: Continuously monitoring the distance between the positioning guide wheel and the follower guide wheel, wherein the distance is used to reflect the current tension level of the strip material; Obtaining the distance value obtained by monitoring, and judging whether the real-time tension of the current strip material is within the tension range corresponding to the material property; wherein the tension range of each strip material corresponds to a set distance range between the positioning guide wheel and the follower guide wheel; When it is confirmed that the current real-time tension of the strip material is outside the tension range, the rotation speed of the corresponding roller fixing part is adjusted according to the material surplus of the designated roller until the distance between the positioning guide wheel and the follower guide wheel is within the set distance range.

[0013] According to the technical solution provided by the present application, the rotation speed of the corresponding roller fixing member is adjusted according to the material margin of the designated roller, specifically including: Obtaining the material properties and current material margin of the designated roller; According to the acquired material surplus and material properties, a speed calibration database is called to obtain a target speed under the material properties and corresponding to a material surplus range where the current material surplus is located; the called speed calibration database includes at least: a plurality of material properties, a plurality of material surplus ranges under each material property, and a target speed corresponding to each material surplus range.

[0014] Based on the target rotational speed, the rotational speed of the roller fixing member in the corresponding roller positioning assembly is controlled.

[0015] According to the technical solution provided by the present application, after continuously acquiring the first data of the first preset position, the control method further includes: A material surplus difference is obtained based on at least two of the first data collected at a preset time interval; and it is determined whether the material surplus difference is less than a preset surplus difference value. If so, a second prompt message is issued to prompt the user that there is a risk of failure in the current operation of the roller assembly.

[0016] According to the technical solution provided by the present application, after adjusting the rotation speed of the corresponding roller fixing member, the control method further includes: monitoring the rotation speed adjustment duration of the roller fixing member; If the speed adjustment time is greater than a preset adjustment time threshold, a third prompt message is issued; the third prompt message is used to prompt the user that the speed adjustment is abnormal.

[0017] In summary, the technical solution specifically discloses a multi-roller alternating uncoiler and a control method thereof, wherein the multi-roller alternating uncoiler comprises: a support frame, on which at least two rotatable roller positioning assemblies are arranged; each roller positioning assembly comprises at least two groups of roller fixing members arranged along a first direction, the roller fixing members are used to place the roller assembly, and the roller assembly has a strip material wound circumferentially around its axis; the roller assembly comprises: two limit plates and an intermediate shaft arranged between the two limit plates; the intermediate shaft is used to wind the strip material; a residual mark is provided on the inner side of the limit plate, and the residual mark is used to record the strip material The material surplus of the strip material; the guide feeding assembly, which is arranged in cooperation with the support frame, and is used to guide the strip material on the designated roller to unfold to the outside; the designated roller is the roller assembly moved to the guide feeding assembly; the driving assembly, which is arranged on the support frame; the driving assembly includes: the same pushing part which is transmission-connected to the two roller positioning assemblies, and the transmission part which is transmission-connected to the two roller positioning assemblies respectively; the pushing part is used to switch the two roller positioning assemblies to move to the guide feeding assembly for unwinding; the transmission part is used to drive the corresponding roller fixing part to rotate, so as to drive the roller assembly to rotate and unwind.

[0018] The convenience of existing double-station uncoilers and their automation-supporting designs are receiving more and more attention. However, there is currently no uncoiler that can support both fast material-changing structural design and automated control. Therefore, the present application proposes a multi-roller alternating uncoiler, which realizes basic roll-changing operations by setting two quickly switchable roller positioning assemblies. At the same time, the remaining mark on the roller is used to provide a favorable reference for subsequent automated roll-changing monitoring. The driving assembly and the guide feeding assembly abandon the conventional, rigid mechanical transmission structure and introduce a visual, controllable structural design, laying a good foundation for subsequent tension monitoring and position change monitoring and control of strip materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objects and advantages of the present application will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings.

[0020] Figure 1 It is a structural schematic diagram of a multi-roller alternating uncoiler.

[0021] Figure 2 It is a schematic diagram of the top view of the structure of a multi-roller alternating uncoiler.

[0022] Figure 3 It is a schematic diagram of the side structure of a multi-roller alternating uncoiler.

[0023] Figure 4 The figure is a flow chart of a control method for a multi-roller alternating uncoiler.

[0024] Figure 5 The figure is a schematic diagram of the structure of a control device for a multi-roller alternating uncoiler.

[0025] Figure 6 The figure is a functional block diagram of a terminal device.

[0026] Markings in the figure: 1, support frame; 2, roller positioning assembly; 21, support rod; 3, roller fixing piece; 4, roller assembly; 41, limit plate; 42, intermediate shaft; 7, guide rail; 8, follower frame; 9, positioning bracket; 91, first sub-bracket; 92, second sub-bracket; 10, positioning guide wheel; 11, follower guide wheel; 12, driving motor; 13, chain; 14, sprocket; 15, cylinder; 16, support wheel; 500, terminal device; 501, CPU; 502, ROM; 503, RAM; 504, bus; 505, I / O interface; 506, input part; 507, output part; 508, storage part; 509, communication part; 510, drive; 511, removable medium; 600, control device; 601, acquisition module; 602, judgment module; 603, control module; 604, monitoring module. DETAILED DESCRIPTION

[0027] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] Example 1 In order to make the technical solution of the embodiment of the present application clearer and easier to understand, the application background of the embodiment of the present application is introduced below.

[0030] In the production of our national economy, many materials such as automobile sealing strips, cables, fiber filaments, steel belts, cables, etc. are packaged using rollers made of wood, plastic, iron and other materials. When packaging, the materials need to be rolled onto the rollers, and when in use, they need to be unfolded from the rollers to the use environment.

[0031] Among them, the unwinder plays an important role in the production of automotive sealing strips. It is mainly used for the unwinding, conveying and positioning of raw material coils to prepare for subsequent extrusion, molding and other processes. Since automotive sealing strips have strict requirements on the tension of materials, the unwinder needs to ensure constant tension of the material during the conveying process to ensure continuous supply of materials and product quality.

[0032] Moreover, as the quality requirements of automotive sealing strips are getting higher and higher, uncoilers also need to make technological innovations in efficiency and automation. For example, existing uncoilers generally have one uncoiler station, which can only be replaced after the coil is used up. This will cause a long production pause, so a double-station uncoiler that can quickly switch between two coils to achieve continuous production has come into being. The double-station uncoiler can not only improve production efficiency, but also reduce downtime, and adapt to a variety of usage environments and technical problems. However, since the current double-station uncoiler has not conducted deeper research on the control system, the automation process of the uncoiler is slow, and it is urgent to strengthen how to improve product production efficiency and product quality.

[0033] In view of this, the present application proposes a multi-roller alternating uncoiler that can efficiently uncoil. The uncoiler has two flexible and movable uncoiler stations and automated components such as a signal detection unit and a residual monitoring unit for monitoring the quality and efficiency of uncoiler, which can effectively improve the uncoiler production efficiency and product quality to meet the increasingly stringent product quality requirements. For details, please refer to Figure 1 The structure diagram of a multi-roller alternating uncoiler provided in this embodiment is shown, and the multi-roller alternating uncoiler comprises: A support frame 1, on which at least two rotatable roller positioning assemblies 2 are arranged; each roller positioning assembly 2 includes at least two groups of roller fixing members 3 arranged along a first direction, the roller fixing members 3 are used to place a roller assembly 4, and the roller assembly 4 has a strip material circumferentially wound around its axis; The roller assembly 4 includes: two limit plates 41 and an intermediate shaft 42 disposed between the two limit plates 41; the intermediate shaft 42 is used to wind the strip material; a residual mark is provided on the inner side of the limit plate 41, and the residual mark is used to record the material residual of the strip material; A guide feeding assembly is provided in cooperation with the support frame 1 and is used to guide the strip material on the designated roller to be unfolded to the outside; the designated roller is the roller assembly 4 moved to the guide feeding assembly; A driving assembly is arranged on the support frame 1; the driving assembly includes: a same pushing part which is transmission-connected to the two roller positioning assemblies 2, and a transmission part which is transmission-connected to the two roller positioning assemblies 2 respectively; the pushing part is used to switch the two roller positioning assemblies 2 to move to the guide feeding assembly for unwinding; the transmission part is used to drive the corresponding roller fixing part 3 to rotate, so as to drive the roller assembly 4 to rotate and unwind.

[0034] In an embodiment of the present application, the support frame 1 in the multi-roller alternating uncoiler is used to provide installation space for components such as a roller positioning assembly 2, a guide feeding assembly and a drive assembly, so that the entire uncoiler can be fixed and moved; at least two roller positioning assemblies 2 are arranged on the support frame 1 at intervals along the extension direction of the support frame 1, and here, the roller positioning assembly 2 includes at least two rotatable support rods 21, and the two support rods 21 are distributed along a first direction and both extend along the length direction of the support frame 1, and a group of roller fixing parts 3 are fixedly arranged on each support rod 21, and here, the first direction is the width direction of the support frame 1.

[0035] Specifically, the number of roller fixing members 3 in each group is two, and they are respectively fixed to the two ends of the support rod 21, so it is equivalent to that two fixed roller fixing members 3 are respectively provided on the two support rods 21 in a roller positioning assembly 2, and the roller fixing members 3 have a accommodating groove matching the specifications of the limiting plate 41, which is used to provide a stable rotation guide for the roller assembly 4 installed thereon.

[0036] It should be noted here that the roller assembly 4 includes: two limit plates 41 and an intermediate shaft 42 arranged between the two limit plates 41, and the strip material that needs to be unwound is wound on the intermediate shaft 42; in order to reduce the weight of the roller assembly 4 itself, a certain number of through grooves can be set in the middle of the intermediate shaft 42 (the extension direction of the through grooves is the axial direction of the intermediate shaft 42); in addition, a surplus mark is provided on the inner side of the limit plate 41, and the surplus mark can be a marking symbol printed on the inner side of the limit plate 41 or a coating symbol. As the strip material continues to unfold outward, the position of the remaining strip material relative to the surplus mark will also change. For example, as the strip material is unwound, its outermost material edge will reach different scales at different times or correspond to different color coatings respectively. In this way, the surplus mark can be used to monitor the surplus of the strip material.

[0037] The guide feeding assembly is a guide component for unwinding the strip material. Since in the embodiment of the present application, the uncoiler only unwinds one roller assembly 4 at a time, the guide feeding assembly only needs to cooperate with one roller assembly 4 at a time. In other words, the two roller positioning assemblies 2 need to be switched on the support frame 1, and the roller assembly 4 that needs to be unwinded is moved to the guide feeding assembly, and the empty roller that has been unwinded is moved outside the guide feeding assembly. In actual applications, the unwinding guide direction of the guide feeding assembly needs to be coordinated with the downstream equipment of the unwinding process, and no special limitation is made here.

[0038] The driving assembly is also arranged on the support frame 1, and is the main component for driving the roller positioning assembly 2 to move, and includes: a pushing part and two transmission parts respectively connected to different roller positioning assemblies 2; the pushing part can drive the two roller positioning assemblies 2 to exchange positions on the support frame 1, and the transmission part 6 is connected to the roller positioning assembly 2, or more accurately, connected to the support rod 21, thereby driving the support rod 21 to drive the roller fixing part 3 thereon to rotate, and correspondingly, the roller assembly 4 will also rotate accordingly.

[0039] In a preferred embodiment, see Figure 1 The support frame 1 has two guide rails 7 arranged opposite to each other, and the guide rails 7 extend along the length direction of the support frame 1; the guide rails 7 are also provided with a follower frame 8 that can slide along the guide rails 7, and the follower frame 8 is used to support two roller positioning assemblies 2 distributed at intervals.

[0040] In the process of driving the roller positioning assembly 2 to shift position on the support frame 1, the shifting trajectory is to move along the extension direction of the guide rail 7, so two corresponding guide rails 7 are also arranged on the support frame 1, and the two guide rails 7 slide together to support a follower frame 8. The movement of the follower frame 8 can drive the two roller positioning assemblies 2 to move and shift relative to the guide feeding assembly, so as to realize the delivery of the roller assemblies 4 with strip materials on different roller positioning assemblies 2 to the guide feeding assembly.

[0041] In a preferred embodiment, see Figure 3 The guide feeding assembly includes: a positioning bracket 9, on which a positioning guide wheel 10, a supporting wheel 16 and a follower guide wheel 11 are arranged; the strip material sequentially passes through the supporting wheel 16, the follower guide wheel 11 and the positioning guide wheel 10 and unfolds to the outside; Among them, the support wheel 16 is arranged on the top of the positioning bracket 9, the positioning guide wheel 10 is fixedly set on the first sub-bracket 91 of the positioning bracket 9, and is located below the support wheel 16 and above the follower guide wheel 11; the follower guide wheel 11 is slidably set on the second sub-bracket 92 of the positioning bracket 9.

[0042] Specifically, the guide feeding assembly is composed of a positioning bracket 9 and a support wheel 16, a positioning guide wheel 10 and a follower guide wheel 11 arranged thereon, and the direction of the strip material can be seen in FIG. Figure 3 Here, the positioning bracket 9 and the supporting frame 1 can be fixedly connected or detachably connected, and there is no special limitation on this.

[0043] Since the follow-up guide wheel 11 is a sliding wheel on the second sub-bracket 92, its sliding characteristics can be used to cooperate with the unfolding strip material, which can be used to reflect whether the unwinding speed is appropriate and also reflect the tension (tension) of the strip material; in order to ensure that the strip material drives the follow-up guide wheel 11 to slide, the support wheel 16 and the positioning guide wheel 10 are respectively responsible for the conveyance of the strip material, providing a floating scene for the follow-up guide wheel 11; in the unwinding process of the strip material, when the unwinding speed is too slow and the tension of the strip material is too large, the follow-up guide wheel 11 will move relatively closer to the positioning guide wheel 10, and vice versa, it will move farther away from the positioning guide wheel 10, so the follow-up guide wheel 11 and the positioning guide wheel 10 here not only provide guidance for the unwinding of the strip material, but the distance between the two also becomes a good monitoring parameter, thereby transforming the previous complex tension monitoring into an extremely clever and visual distance monitoring.

[0044] In a preferred embodiment, see Figure 2 The driving part includes: a driving motor 12, the driving end of the driving motor 12 drives the roller positioning assembly 2 to rotate through a sprocket 14 and a chain 13; The transmission part includes: a cylinder 15 , a driving end of the cylinder 15 is connected to the follower frame 8 , and is used to drive the follower frame 8 to slide along the guide rail 7 .

[0045] Specifically, the driving part and the transmission part in the driving assembly use the driving motor 12 and the cylinder 15 as power sources respectively. The rotor end of the driving motor 12 and the same side ends of the two support rods 21 in the same roller positioning assembly 2 are fixedly connected with a sprocket 14, and the sprockets 14 of the three are meshed with the same chain 13. In this way, under the control of the driving motor 12, the support rod 21 will also rotate with the rotor end. Since a roller fixing part 3 is also provided on the outside of the support rod 21, the roller positioning assembly 2 will drive the roller fixing part 3 to rotate, thereby indirectly driving the roller assembly 4 thereon to rotate and unwind.

[0046] The transmission part is directly connected to the follower frame 8, and the follower frame 8 is driven to move and change position on the guide rail 7 under the extension and contraction of the cylinder 15. The specific extension amount is determined by the fixed position of the guide feeding assembly and can be set by the technician before operation. It should be noted that in order to ensure the normal rotation of the roller assembly 4, a driving support frame is also provided on the side of the follower frame 8, which is used to support two driving motors 12, so that during the movement of the roller positioning assembly 2, the transmission part will also move together to avoid the problem of entanglement or damage of the connecting wire harness at the driving assembly.

[0047] In a preferred embodiment, the guide feeding assembly also includes: a signal detection unit and a residual amount monitoring unit, the signal detection unit is used to monitor the distance between the positioning guide wheel 10 and the follow-up guide wheel 11, and generate a corresponding distance signal, thereby adjusting the unwinding speed of the multi-roller alternating uncoiler; the residual amount monitoring unit is used to collect first data at the guide feeding assembly, and monitor the residual amount of the strip material on the designated roller through the first data.

[0048] In order to ensure the intelligence and automation of the uncoiler, the guide feeding assembly also includes: a signal detection unit and a surplus monitoring unit. The signal detection unit is used to monitor the distance between the positioning guide wheel 10 and the follow-up guide wheel 11, and can be implemented by components such as a laser rangefinder, while the surplus monitoring unit is used to monitor the surplus of the strip material on the designated roller. The image collector can obtain the relative position image of the surplus mark and the strip material, thereby analyzing the surplus of the strip material on the current designated roller; or a meter set at the support wheel 16 can be used to analyze the unwinding amount of the strip material on the current designated roller to calculate the surplus of the strip material. There is no special limitation on the specific details.

[0049] Based on the above description, it can be known that the present application proposes a multi-roller alternating uncoiler, and its specific working principle is as follows: a follower frame 8 which can move along the extension direction of the support frame 1 is arranged on the support frame 1, and two roller positioning assemblies 2 are arranged on the follower frame 8, and the two roller positioning assemblies 2 respectively form the mounting parts of two roller assemblies 4. The technicians will arrange the roller assemblies 4 wrapped with strip materials on the two roller positioning assemblies 2 in advance for unwinding operations; since the unfolded strip material needs to be transported to the designated process, the strip material needs to be transported to the outside through the guide feeding assembly for directional transportation, and the guide feeding assembly here includes a positioning bracket 9 and a positioning guide wheel 10, a support wheel 16 and a follower guide wheel 11 arranged on the positioning bracket 9, so the strip material passes through the support wheel 16, the follower guide wheel 11 and the positioning guide wheel 10 in turn to unfold to the outside; based on such a setting, an unwinding station will be formed on the support frame 1 near the guide feeding assembly.

[0050] During the unwinding process, it is necessary to control one of the roller positioning assemblies 2 to move to the unwinding station first for unwinding. Specifically, the driving motor 12 in the driving assembly drives the support rod 21 in the roller positioning assembly 2 to rotate, which can indirectly drive the roller assembly 4 installed on the roller fixing member 3 to rotate for unwinding; when the strip material on the current roller assembly 4 is about to be exhausted, since the present application has two roller positioning assemblies 2, the cylinder 15 in the driving assembly drives the follower frame 8 to slide, and then the other roller assembly 4 can be moved to the guide feeding assembly in time to realize the operation of fast roll changing.

[0051] Example 2 Combination Figure 4 At the same time, based on the multi-roller alternating uncoiler of embodiment 1, the embodiment of the present application provides a control method for the multi-roller alternating uncoiler, which is applied to the multi-roller alternating uncoiler and specifically includes the following steps: S100, continuously acquiring first data of a first preset position, where the first preset position is located at a guide feeding assembly; the first data is used to reflect an unwinding state of a designated roller; S200, acquiring the material remaining amount on the corresponding designated roller according to the first data; S300, determining whether the material surplus is less than a preset surplus threshold, and if so, issuing a first prompt message, and controlling another roller positioning assembly 2 with a roller assembly 4 to move along the extension direction of the support frame 1 to the guide feeding assembly; the first prompt message is used to prompt the user to replace the roller assembly 4; S400, confirming the strip material properties of the roller assembly 4, and based on the strip material properties, obtaining unwinding operation information corresponding to the roller assembly 4 to control the operation of the roller positioning assembly 2 currently moving to the guide feeding assembly.

[0052] The current double-station uncoiler, if still relying on manual monitoring and roll changing and other operations, cannot well achieve the purpose of improving production efficiency and reducing costs. Therefore, in an embodiment of the present application, the first data can be a plurality of first images collected at a first preset position, thereby forming a remaining amount monitoring for the strip material; then, based on the analysis of the first image, it is determined whether the material remaining amount of the current designated roller is less than the preset remaining amount threshold. If so, it means that the unwinding of the designated roller has entered the final stage and the roller assembly 4 needs to be replaced in time, that is, the roller positioning assembly 2 needs to be controlled to be replaced.

[0053] Since each different type of roller assembly 4 has a specific unwinding speed to control the tension and efficiency of the material, after replacing the new roller assembly 4, it is also necessary to confirm in advance the properties of the strip material corresponding to the replaced roller assembly 4, and then obtain the corresponding unwinding operation information according to the corresponding material properties, and then unwind and monitor according to the unwinding speed and tension range contained in the corresponding unwinding operation information, eliminating the tedious process of manual debugging and control; it needs to be explained that in the actual application process, since the roller type in each workshop or each production cycle is basically the same, the unwinding operation information of the previous roller assembly 4 can be directly called here for operation, and the specific situation can be adjusted according to the actual production situation.

[0054] Furthermore, the first image can be captured by the image collector of the residue monitoring unit at a first preset position according to a preset frequency. Although the first preset position here corresponds to the guide feeding component, it is essentially used to collect the material residue at the specified roller. It can be specifically selected according to the layout position of the fixed guide feeding component, and then the position of the strip material relative to the residue mark on the inner side of the limit plate 41 is collected in real time; the analysis of the first image can be performed by the recognition module to obtain the corresponding recognition result. The recognition result here is the comparison result of whether the material residue on the specified roller is less than the preset residue threshold. The recognition module can be based on a neural network and trained through a training set. The image collector can meet the monitoring needs by using the current intelligent processor integrated with image analysis and feature comparison technologies.

[0055] The setting of the preset surplus threshold can be set according to the form of the surplus mark. For example, if the surplus mark is a symbol with a scale, then the preset surplus threshold can be set with reference to the scale; if the surplus mark is a multi-layer coating with different colors, then the preset surplus threshold can be set with reference to the color.

[0056] During the actual operation, there is also a situation that the surplus mark arranged on the inner side of the limit plate 41 will be worn to a certain extent during the unwinding process day after day, and the coating or scale boundary will become blurred, which will affect the accuracy of material surplus monitoring. To deal with this situation, the method also includes rechecking the surplus mark after "S1, continuously acquiring the first image of the first preset position", that is, identifying the clarity or blurriness of the surplus mark once every certain time interval. If the surplus mark is found to be blurred, the user needs to be promptly reminded to replace or deepen the surplus mark again.

[0057] The above process can also be executed by the recognition model, and the recognition process can be carried out simultaneously with the material surplus monitoring process; specifically, the recognition process is, for example, to add multiple groups of image samples of surplus marks in blurred and normal states in the training set to train the neural network model, and then the subsequent recognition module can automatically output clear and blurred recognition results after receiving the first image; and the specific interval time can be set by the user according to the actual situation, because in the long-term production process, the wear of the surplus mark will have a certain periodicity, so the user can set it by himself.

[0058] In addition, in order to cope with some complex or urgent production situations, a dual monitoring method will be activated, that is, in addition to collecting image information at the surplus mark, a corresponding meter is also set at the support wheel 16, and the length of the strip material that has been unwound is calculated to estimate the remaining strip material still wound on the roller assembly 4, thereby forming a dual surplus monitoring; but because the meter counter is affected to a certain extent when facing material unwinding failure or the uncoiler shutdown and restart and other working conditions, its accuracy will be affected to a certain extent, so it is generally used as an auxiliary means of surplus monitoring.

[0059] In a preferred embodiment, the control method further comprises the following steps: Step A1, continuously monitoring the distance between the positioning guide wheel 10 and the follower guide wheel 11, the distance is used to reflect the current tension level of the strip material; Step A2, obtaining the distance value obtained by monitoring, and determining whether the real-time tension of the current strip material is within the tension range corresponding to the material property; wherein the tension range of each strip material corresponds to a set distance range between the positioning guide wheel 10 and the follower guide wheel 11; Step A3: When confirming that the current real-time tension of the strip material is outside the tension range, adjust the rotation speed of the corresponding roller fixing member 3 according to the material surplus of the specified roller until the distance between the positioning guide wheel 10 and the follower guide wheel 11 is within the set distance range.

[0060] Based on the above introduction to the guide feeding assembly, it can be known that the distance between the positioning guide wheel 10 and the follower guide wheel 11 can reflect the unwinding tension of the roller assembly 4, and then prompt whether the unwinding machine speed at different times needs to be adjusted. Therefore, during the entire unwinding process, it is necessary to continuously monitor the distance between the positioning guide wheel 10 and the follower guide wheel 11 to control the tension of the strip material to ensure that it is within a stable tension range; it should be noted that since the tension range of each strip material corresponds to a set of set distance ranges between the positioning guide wheel 10 and the follower guide wheel 11, and the process is essentially to form monitoring data through distance information, so "determine whether the current real-time tension of the strip material is within the tension range corresponding to the material property". In other words, it can also be determined whether the distance between the current positioning guide wheel 10 and the follower guide wheel 11 is within the set range (set according to different material properties).

[0061] It should be noted that in the embodiment of the present application, the monitoring data may also be formed by the distance between the support wheel 16 and the follow-up guide wheel 11, and no specific limitation is made thereto.

[0062] The monitoring principle is briefly described below: the distance value is collected by the signal detection unit and continuously monitored through the control system or the central control machine connected to its signal. The tension of the strip material is not only affected by the material properties but also by the change in the material roll diameter. That is to say, as the strip material continues to unfold outward, the load of the uncoiler is changing. If the uncoiler is continuously unwound at the same operating speed, the tension of the corresponding strip material will also be affected during unwinding. Therefore, in order to ensure the consistency of the tension, as the strip material on the roller assembly 4 continues to unfold, the unwinding speed of the uncoiler also needs to be adjusted accordingly. Based on the above, the fluctuation of the tension range is cleverly converted into a visible distance value in the embodiment of the present application. Then, the correlation between the distance value between the positioning guide wheel 10 and the follower guide wheel 11 and the tension value collected by the signal detection unit can form a monitoring of the tension. It can also be understood that the collected distance value is compared with the distance range between the guide wheel 10 and the follower guide wheel 11 corresponding to the standard tension of the strip material of the material property, so as to timely find out whether the tension of the strip material is abnormal; for example, the distance between the positioning guide wheel 10 and the follower guide wheel 11 is recorded as d , a material property is A The standard tension range of the strip material can be converted into a distance range and expressed as 20 cm < d< 30 cm; And here 20 cm with 30 cm These are the upper and lower boundary thresholds of the tension range; Different types of strip materials have different standard tension ranges. The distance value range converted from the tension range can be obtained by the technicians through early data collection. In the later use process, when the properties of the strip material are confirmed, the distance range corresponding to the corresponding standard tension range can also be directly confirmed. In actual situations, since the standard tension range is relatively small, the distance range will also be relatively small. Therefore, a higher precision instrument is required when selecting a laser rangefinder.

[0063] When faced with the situation that "it has been confirmed that the current real-time tension of the strip material is outside the tension range", it is necessary to stabilize the current unwinding tension by adjusting the speed of the uncoiler. The specific operation is to adjust the rotation speed provided by the drive motor 12 to the roller fixing part 3. For example, if the distance between the positioning guide wheel 10 and the follow-up guide wheel 11 is too close (for example, the collected distance value is less than the lower boundary threshold of the tension range), then the drive motor 12 can increase the rotation speed; if the distance between the two is too far (for example, the distance value is greater than the upper boundary threshold of the tension range), then the drive motor 12 can slow down the rotation speed.

[0064] In a preferred embodiment, during the actual unwinding process of the strip material, the unwinding state may be affected to a certain extent due to the life status of the equipment, the external environment, the user's specific operations or the production plan, so timely adjustments are required to ensure product quality.

[0065] Specifically, in step A3, adjusting the rotation speed of the corresponding roller fixing member 3 according to the material surplus of the designated roller, specifically includes the following steps: Step A31, obtaining the material properties of the specified roller and the current material margin; In the process of adjusting the speed, in order to ensure the accuracy and timeliness of the adjustment, it is necessary to adjust the speed to the optimal state as much as possible. At this time, it is necessary to first confirm the material margin and material properties of the specified roller in order to obtain the target speed corresponding to the current specified roller.

[0066] Step A32: according to the obtained material margin and material property, call the speed calibration database to obtain the target speed corresponding to the material margin range of the current material margin under the material property; calling the speed calibration database at least includes: multiple material properties, multiple material margin ranges under each material property, and the target speed corresponding to each material margin range; The speed calibration database is established by technical personnel based on the previous data collection. The specific structure can be seen in Table 1 below.

[0067] Table 1 Example of speed calibration database structure

[0068] in,A , B and C There are three strip materials with different material properties, such as automobile sealing strips, cables, and fiber filaments, and there is no special limitation on the specific properties. The material margin used here is determined by the corresponding position of the outermost edge of the strip material and the margin mark, which can also be understood as the radial thickness of the strip material. H 1 -H 11 They represent different radial thicknesses respectively; V 1- V 6 represent the target speeds corresponding to different material allowance ranges under different material properties.

[0069] Step A33: Based on the target rotation speed, control the rotation speed of the roller fixing member 3 in the corresponding roller positioning assembly 2.

[0070] After obtaining the target speed, the rotation speed of the roller fixing member 3 can be adjusted in time based on the target rotation speed. In actual applications, not only the rotation speed of the roller fixing member 3 needs to be adjusted in real time, but sometimes the direction of the roller fixing member 3 also needs to be adjusted. Since the unfolding of the strip material is a link in a continuous process, the unwinding of the roller is also closely related to the processing of the next process. Specifically, the strip material unfolded to the outside needs to pass through not only the guide feeding assembly but also the storage rack to be transported to the next process. At this time, if the next process fails or stops working, in order to avoid the waste of the strip material, it is necessary to "collect the material" in time, that is, use the roller fixing member 3 to drive the roller assembly 4 to rotate in the opposite direction to recycle the unfolded strip material.

[0071] Specifically, the multi-roller alternating uncoiler control system is required to perform the following steps: monitor the storage amount of the strip material on the storage rack, and when the storage amount of the strip material is greater than the preset storage threshold, issue a material collection prompt message to prompt the user that the current amount of unrolled strip material is large and the material can be considered to be collected; after the user confirms the collection of the material, the drive motor 12 is controlled to drive the roller fixing part 3 to rotate in the opposite direction, and the unrolled strip material is recovered to the roller assembly 4. The preset storage threshold here needs to be set according to the actual situation.

[0072] In a preferred embodiment, due to the continuous acceleration of the production process, equipment damage and failure are inevitable. In order not to hinder the production plan and production cycle planning, after the instruction to adjust the rotation speed of the corresponding roller fixing member 3 is issued, it is also necessary to monitor the completion of the instruction to avoid abnormal tension caused by equipment failure.

[0073] Specifically, after adjusting the rotation speed of the corresponding roller fixing member 3, the following steps are also included: Step A331, monitoring the speed adjustment time of the roller fixing member 3; Step A332: If the speed adjustment time is greater than the preset adjustment time threshold, a third prompt message is issued; the third prompt message is used to prompt the user that the speed adjustment is abnormal; After the instruction to adjust the rotational speed of the roller fixing member 3 is issued, the device should be given a certain response time. However, if the device cannot adjust the rotational speed for a long time, it is necessary to present a third prompt message on the display screen of the multi-roller alternating uncoiler control system or on the terminal communicating with the control system to prevent the tension of the strip material from continuously exceeding the tension range, which has a huge impact on the unfolding quality of the strip material.

[0074] It should be noted that in order to avoid tension anomalies caused by faulty equipment, a tolerance amount needs to be reserved when setting the tension range, that is, the tension range needs to be smaller than the actual standard tension range. The tension range is used as a warning of pre-tension anomalies to leave a certain amount of operating time for subsequent tension adjustments.

[0075] In a preferred embodiment, in addition to monitoring the rotation speed adjustment duration of the roller fixing member 3 in the later stage, a rapid risk warning is also included in the early stage.

[0076] Specifically, after continuously acquiring the first data of the first preset position, the control method further includes the following steps: Step B1, obtaining the material surplus difference according to at least two first data collected at a preset time interval; determining whether the strip material surplus difference is less than a preset surplus difference value, and if so, issuing a second prompt message to prompt the user that the current roller assembly 4 has a risk of failure.

[0077] In the continuous first image, in order to monitor whether it is less than the preset margin threshold, it is necessary to obtain the material margin at different times. Then, in the process of analyzing the material margin, if it is found that the material margin difference at the preset time interval is less than the preset margin difference, a second prompt message can be issued in time. Strictly speaking, the second prompt message here is not simply to remind the user that the corresponding roller assembly 4 has a risk of failure, but also to remind the user to find the problem in time to facilitate the adjustment of the production plan and production cycle planning, because this is a situation that obviously affects production efficiency.

[0078] The preset time interval here can be set based on the sampling frequency of the image collector. For example, if the image collector collects images every 10 minutes, the preset time interval can be set to 20 minutes. Here, the calculated material remainder difference is based on the latest image, so it is more timely.

[0079] In a preferred embodiment, since the method of the embodiment of the present application is based on the multi-roller alternating uncoiler of embodiment 1, in the case of two roller positioning assemblies 2, not only can a roll change response be made when the strip material on the designated roller is close to being exhausted, but also a new roller assembly 4 can be promptly activated when an unwinding abnormality occurs on the designated roller; for example, in some specific scenarios, when it is found that the strip material on the designated roller is damaged, the machine can be stopped in time, and the roll change can be controlled at the same time, that is, the other roller assembly 4 can be controlled to move to the guide feeding assembly.

[0080] Based on the above description, an embodiment of the present application proposes a control method for a multi-roller alternating uncoiler, including: continuously acquiring a first image of a first preset position, the first preset position being located at a designated roller; the first image is used to reflect the unwinding state of the designated roller; according to the first image, acquiring the material remainder on the corresponding designated roller; judging whether the material remainder is less than a preset remainder threshold, if so, issuing a first prompt message, and controlling another roller positioning assembly 2 with a roller assembly 4 to move along the extension direction of the support frame 1 to the guide feeding assembly; the first prompt message is used to prompt the user to replace the roller assembly 4; acquiring the unwinding operation information of the previous roller assembly 4, and controlling the operation of the roller positioning assembly 2 currently moved to the guide feeding assembly based on the unwinding operation information, so as to continuously cooperate with the guide feeding assembly to unfold the strip material to the outside; the unwinding operation information includes at least: the unwinding speed and tension range corresponding to the properties of the strip material.

[0081] On the one hand, the control method is based on the design and development of a roll change monitoring system based on a multi-roller alternating uncoiler with a fast roll change function. The remaining mark set on the roller assembly 4 is used as a reference. By means of image acquisition, it is possible to timely determine whether the strip material on the roller assembly 4 is close to the roll change link. When it is found that the material remaining amount is less than the preset remaining amount threshold, the user is promptly prompted to replace the coiled material. There is no need for technicians to stay by the uncoiler throughout the process or to encounter problems such as untimely roll change. On the other hand, while the uncoiler is becoming more automated and manpower is liberated, the quality of the product also needs to be paid attention to. The control method continuously monitors the distance between the positioning guide wheel 10 and the follow-up guide wheel 11 to dynamically and accurately control the unwinding speed, thereby ensuring the product The tension meets the process requirements and strictly controls the product quality; thirdly, since unwinding requires the cooperation of multiple equipment and is also an important part of the continuous process, the failure of the unwinder or the abnormal unwinding is also a focus that needs attention. This control method forms a comprehensive fault monitoring based on the first data and the unwinding speed adjustment time and other aspects to provide users with timely fault risk warnings, which is convenient for users to readjust production plans or perform equipment maintenance and other operations; finally, this control method also makes more detailed monitoring based on the problems found during the actual process implementation, including the status of the margin mark and the monitoring of the roller assembly 4 itself, etc., to carry out a more comprehensive functional upgrade of the control of the unwinder to improve the accuracy and comprehensiveness of the control.

[0082] Example 3 Combination Figure 5 At the same time, based on the control method of a multi-roller alternating uncoiler proposed in Example 2, the embodiment of the present application proposes a control device for a multi-roller alternating uncoiler, and the control device 600 includes: An acquisition module 601 is used to continuously acquire first data of a first preset position, where the first preset position is located at the guide feeding assembly; the first data is used to reflect the unwinding state of a specified roller; The acquisition module 601 is also used to acquire the material remaining amount on the corresponding designated roller according to the first data; The judgment module 602 is used to judge whether the material surplus is less than a preset surplus threshold value. If so, a first prompt message is issued, and another roller positioning assembly 2 with a roller assembly 4 is controlled to move along the extension direction of the support frame 1 to the guide feeding assembly; the first prompt message is used to prompt the user to replace the roller assembly 4; Control module 603, control module 603 is used to confirm the strip material properties of the roller assembly 4, and based on the material properties, obtain the unwinding operation information corresponding to the roller assembly 4 to control the operation of the roller positioning assembly 2 currently moving to the guide feeding assembly; the unwinding operation information at least includes: the unwinding speed and tension range corresponding to the material properties.

[0083] In some embodiments, the control device 600 further includes: a monitoring module 604, which is used to continuously monitor the distance between the positioning guide wheel 10 and the follower guide wheel 11, and the distance is used to reflect the current tension level of the strip material; The acquisition module 601 is connected to the monitoring module 604, and the acquisition module 601 is used to determine whether the real-time tension of the current strip material is within the tension range corresponding to the material property based on the distance value obtained by monitoring; When it is confirmed that the current real-time tension of the strip material is outside the tension range, the control module 603 is used to adjust the rotation speed of the corresponding roller fixing member 3 according to the material surplus of the specified roller until the distance between the positioning guide wheel 10 and the follower guide wheel 11 is within the set range.

[0084] In an embodiment of the present application, with the cooperation of the acquisition module 601, the judgment module 602, the control module 603 and the monitoring module 604, various operations such as automatic roll changing and risk detection can be completed on the multi-roller alternating uncoiler, thereby improving the actual use value and automation capability of the multi-roller alternating uncoiler.

[0085] Example 4 A terminal device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of a control method for a multi-roller alternating uncoiler as described in Example 1 are implemented.

[0086] In this embodiment, if Figure 6 As shown, terminal device 500 includes CPU (central processing unit) 501, which can perform various appropriate actions and processes according to the program stored in ROM (read-only memory) 502 or the program loaded from the storage part into RAM (random access memory) 503. In RAM503, various programs and data required for system operation are also stored. CPU501, ROM502 and RAM503 are connected to each other through bus 504. I / O (input / output) interface 505 is also connected to bus 504.

[0087] The following components are connected to the I / O interface 505: an input section 506 including a keyboard, a mouse, etc.; an output section 507 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc.; a storage section 508 including a hard disk, etc.; and a communication section 509 including a network interface card such as a LAN card, a modem, etc. The communication section 509 performs communication processing via a network such as the Internet. A drive is also connected to the I / O interface 505 as needed. A removable medium 511, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 510 as needed, so that a computer program read therefrom is installed into the storage section 508 as needed.

[0088] In particular, according to an embodiment of the present invention, the above reference process diagram Figure 4 The described process can be implemented as a computer software program. For example, embodiment 3 of the present invention includes a computer program product, which includes a computer program carried on a computer readable medium, and the computer program contains program code for executing the method shown in the flow chart. In such an embodiment, the computer program can be downloaded and installed from a network through a communication part, and / or installed from a removable medium. When the computer program is executed by a central processing unit (CPU) 501, the above-mentioned functions defined in the system of the present invention are executed.

[0089] It should be noted that the computer-readable medium shown in the present invention may be a computer-readable signal medium or a computer-readable storage medium or any combination of the above two. The computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM) 503, a read-only memory (ROM) 502, an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In the present invention, a computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in combination with an instruction execution system, device or device. In the present invention, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer-readable program code. This propagated data signal may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. Computer-readable signal media may also be any computer-readable medium other than computer-readable storage media, which may send, propagate or transmit a program for use by or in conjunction with an instruction execution system, apparatus or device. The program code contained on the computer-readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, optical cable, RF, etc., or any suitable combination of the above.

[0090] The flow chart and block diagram in the accompanying drawings illustrate the possible architecture, function and operation of the system, method and computer program product according to various embodiments of the present invention. In this regard, each box in the flow chart or block diagram can represent a module, a program segment, or a part of a code, and the above-mentioned module, program segment, or a part of a code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram or flow chart, and the combination of the boxes in the block diagram or flow chart can be implemented with a dedicated hardware-based system that performs a specified function or operation, or can be implemented with a combination of dedicated hardware and computer instructions.

[0091] The units involved in the embodiments of the present invention may be implemented by software or hardware, and the units described may also be arranged in a processor. The names of these units do not, in some cases, constitute limitations on the units themselves. The units or modules described may also be arranged in a processor, for example, they may be described as: a processor includes a first generation module, an acquisition module, a search module, a second generation module, and a merging module. The names of these units or modules do not, in some cases, constitute limitations on the units or modules themselves, for example, the acquisition module may also be described as "an acquisition module for acquiring multiple instances to be detected in the basic table."

[0092] Example 5 The present invention also provides a computer-readable medium, which may be included in the electronic device described in the above embodiment; or may exist independently without being assembled into the electronic device. The above computer-readable medium carries one or more programs, and when the above one or more programs are executed by an electronic device, the electronic device implements a control method for a multi-roller alternating uncoiler as described in the above embodiment.

[0093] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A multi-roller alternating uncoiler, characterized in that: include: A support frame (1), wherein at least two rotatable roller positioning assemblies (2) are arranged on the support frame (1); each of the roller positioning assemblies (2) comprises at least two groups of roller fixing members (3) arranged along a first direction, the roller fixing members (3) being used to place a roller assembly (4), and the roller assembly (4) has a strip material wound circumferentially around its axis; The roller assembly (4) comprises: two limit plates (41) and an intermediate shaft (42) arranged between the two limit plates (41); the intermediate shaft (42) is used to wind the strip material; a residual mark is provided on the inner side of the limit plate (41), and the residual mark is used to record the material residual of the strip material; A guide feeding assembly, the guide feeding assembly being arranged in cooperation with the support frame (1) and being used for guiding the strip material on a designated roller to be unfolded outward; the designated roller is the roller assembly (4) moved to the guide feeding assembly; A driving assembly, the driving assembly being arranged on the supporting frame (1); the driving assembly comprising: a common pushing portion which is transmission-connected to the two roller positioning assemblies (2), and a transmission portion which is transmission-connected to the two roller positioning assemblies (2) respectively; the pushing portion is used for switching the two roller positioning assemblies (2) to move to the guide feeding assembly for unwinding; the transmission portion is used for driving the corresponding roller fixing member (3) to rotate, so as to drive the roller assembly (4) to rotate for unwinding.

2. The multi-roller alternating uncoiler according to claim 1, characterized in that: The support frame (1) is provided with two guide rails (7) arranged opposite to each other, and the guide rails (7) extend along the length direction of the support frame (1); the guide rails (7) are also provided with a follower frame (8) which can slide along the guide rails (7), and the follower frame (8) is used to support the roller positioning assembly (2).

3. The multi-roller alternating uncoiler according to claim 1, characterized in that: The guide feeding assembly comprises: a positioning bracket (9), on which a positioning guide wheel (10), a support wheel (16) and a follower guide wheel (11) are arranged; the strip material passes through the support wheel (16), the follower guide wheel (11) and the positioning guide wheel (10) in sequence and is unfolded to the outside; The support wheel (16) is arranged on the top of the positioning bracket (9), the positioning guide wheel (10) is fixedly arranged on the first sub-bracket (91) of the positioning bracket (9), and is located below the support wheel (16) and above the follower guide wheel (11); the follower guide wheel (11) is slidably arranged on the second sub-bracket (92) of the positioning bracket (9).

4. The multi-roller alternating uncoiler according to claim 2, characterized in that: The driving part comprises: a driving motor (12), wherein the driving end of the driving motor (12) drives the roller positioning assembly (2) to rotate via a chain (13) and a sprocket (14); The transmission part comprises a cylinder (15), wherein a driving end of the cylinder (15) is connected to the follower frame (8) and is used to drive the follower frame (8) to slide along the guide rail (7).

5. The multi-roller alternating uncoiler according to claim 3, characterized in that: The guide feeding assembly further includes: a signal detection unit and a residual quantity monitoring unit; The signal detection unit is used to monitor the distance between the positioning guide wheel (10) and the follower guide wheel (11), and generate a corresponding distance signal to adjust the unwinding speed of the multi-roller alternating unwinding machine; The remaining amount monitoring unit is used to collect first data at the guide feeding component and monitor the material remaining amount on the designated roller through the first data.

6. A control method for a multi-roller alternating uncoiler, characterized in that: Applied to the multi-roller alternating uncoiler according to any one of claims 1 to 5, the control method comprises: Continuously acquiring first data of a first preset position, wherein the first preset position is located at the guide feeding assembly; the first data is used to reflect the unwinding state of the designated roller; According to the first data, obtaining the material remaining amount on the corresponding designated roller; determining whether the material surplus is less than a preset surplus threshold value; if so, issuing a first prompt message, and controlling another roller positioning assembly (2) with the roller assembly (4) to move along the extension direction of the support frame (1) to the guide feeding assembly; the first prompt message is used to prompt the user to replace the roller assembly (4); Confirm the material properties of the roller assembly (4), and based on the material properties, obtain unwinding operation information corresponding to the roller assembly (4) to control the operation of the roller positioning assembly (2) currently moving to the guide feeding assembly; the unwinding operation information at least includes: an unwinding speed and a tension range corresponding to the material properties.

7. The control method of a multi-roller alternating uncoiler according to claim 6, characterized in that: The control method also includes: Continuously monitoring the distance between the positioning guide wheel (10) and the follower guide wheel (11), wherein the distance is used to reflect the current tension level of the strip material; Obtaining the distance value obtained by monitoring, and determining whether the current real-time tension of the strip material is within a tension range corresponding to the material property; wherein each tension range of the strip material corresponds to a set distance range between the positioning guide wheel (10) and the follower guide wheel (11); When it is confirmed that the current real-time tension of the strip material is outside the tension range, the rotation speed of the corresponding roller fixing member (3) is adjusted according to the material surplus of the designated roller until the distance between the positioning guide wheel (10) and the follower guide wheel (11) is within the set distance range.

8. The control method of a multi-roller alternating uncoiler according to claim 7, characterized in that: According to the material surplus of the designated roller, the rotation speed of the corresponding roller fixing member (3) is adjusted, specifically comprising: Obtaining the material properties and current material margin of the designated roller; According to the acquired material surplus and material properties, a speed calibration database is called to obtain a target speed under the material properties and corresponding to a material surplus range where the current material surplus is located; the called speed calibration database includes at least: a plurality of material properties, a plurality of material surplus ranges under each material property, and a target speed corresponding to each material surplus range. Based on the target rotational speed, the rotational speed of the roller fixing member (3) in the corresponding roller positioning assembly (2) is controlled.

9. The control method of a multi-roller alternating uncoiler according to claim 6, characterized in that: After continuously acquiring the first data of the first preset position, the control method further includes: A material surplus difference is obtained based on at least two of the first data collected at a preset time interval; and it is determined whether the material surplus difference is less than a preset surplus difference value. If so, a second prompt message is issued to prompt a user that there is a risk of failure in the current operation of the roller assembly (4).

10. The control method of a multi-roller alternating uncoiler according to claim 7, characterized in that: After adjusting the rotation speed of the corresponding roller fixing member (3), the control method further comprises: Monitoring the rotation speed adjustment time of the roller fixing member (3); If the speed adjustment time is greater than a preset adjustment time threshold, a third prompt message is issued; the third prompt message is used to prompt the user that the speed adjustment is abnormal.

Images