CN118877628B - A foil-releasing constant tension automatic control device - Google Patents
A foil-releasing constant tension automatic control device Download PDFInfo
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- CN118877628B CN118877628B CN202411026437.2A CN202411026437A CN118877628B CN 118877628 B CN118877628 B CN 118877628B CN 202411026437 A CN202411026437 A CN 202411026437A CN 118877628 B CN118877628 B CN 118877628B
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- 239000011888 foil Substances 0.000 title claims abstract description 247
- 238000003825 pressing Methods 0.000 claims abstract description 113
- 239000000463 material Substances 0.000 claims abstract description 77
- 238000004080 punching Methods 0.000 claims description 61
- 238000007599 discharging Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000006247 magnetic powder Substances 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 14
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 4
- 230000033764 rhythmic process Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000006249 magnetic particle Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/0326—Controlling transverse register of web by moving the unwinding device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/10—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
The invention belongs to the technical field of metal foil processing, and discloses foil-releasing constant-tension automatic control equipment which comprises a foil releasing machine and a foil collecting machine, wherein the foil releasing machine and the foil collecting machine both comprise a frame and a pressing device arranged on the frame, the pressing device comprises a first guide roller for conveying foil materials and an eccentric pressing roller matched with the first guide roller, the eccentric pressing roller is provided with the highest point, and the eccentric pressing roller rotates along with the conveying of the foil materials, so that pressure is applied to the foil materials periodically to maintain tension stability of the foil materials when the foil materials are frequently started and stopped. The foil placing machine in the control equipment rotates along with the foil conveying rhythm through the eccentric material pressing roller, and the periodic contact and separation mechanism of the foil placing machine can effectively maintain the tension stability of the foil even in the frequent start-stop stage in the processing process, and avoids the deflection or damage of the foil caused by tension fluctuation.
Description
Technical Field
The invention belongs to the technical field of metal foil processing, and particularly relates to automatic control equipment for constant tension of a foil.
Background
In the fine operation of foil processing, the accuracy of surface tension control is directly related to the smoothness of the whole processing flow and the final quality of the product. The tension fluctuation not only can lead to the deflection of the foil in the processing process, but also can trigger a series of chain reactions, and the processing precision and the foil integrity are seriously affected. For example, small deviations in high speed cutting may cause edge burrs or tears, spoiling the appearance of the product, degrading performance, positional deviations during punching directly affect subsequent assembly and function, and deviations may cause misalignment of the foil rolls, even after processing is complete, affecting the convenience of subsequent use and the overall quality of the product.
In particular, in critical processes of foil perforation, the foil transport often needs to be stopped temporarily in order to ensure the accuracy and consistency of the perforation. Frequent start-stop increases the instability of the foil tension, which may lead to unnecessary stretching or relaxation of the foil during restart and even to misalignment.
In addition, most current foil punching equipment uses traditional mechanical and physical piercing means. However, in practice, there often occurs inconsistency in pore size and burrs remaining around after punching.
In summary, it is found that the prior art has at least the following technical problems:
the existing foil processing equipment has relatively insufficient accuracy and offset correction performance in foil surface tension control, and solves the problem that the punching precision is not coordinated with foil transmission when the foil is subjected to punching processing which needs to be frequently started and stopped.
Disclosure of Invention
In view of the foregoing, it is an object of the present invention to provide an automatic control device for constant tension of a foil to solve the above-mentioned problems in the prior art.
In order to solve the technical problems, the technical scheme of the invention is that the automatic control equipment for constant tension of foil release comprises a foil release machine and a foil receiving machine, foil is sent out by the foil release machine and rewound by the foil receiving machine after being processed, the foil release machine and the foil receiving machine comprise a frame and a pressing device arranged on the frame, the pressing device comprises a first material guide roller for conveying the foil and an eccentric pressing roller matched with the first material guide roller, the eccentric pressing roller is provided with the highest point, the running state of the pressing device is divided into a pressing state and a feeding state, when the highest point of the eccentric pressing roller is contacted with the foil, the pressing device is in the pressing state, the eccentric pressing roller downwards presses the foil to enable the foil to be in close contact with the pressing device, when the highest point of the eccentric pressing roller is not contacted with the foil, the pressing device is in the feeding state, the foil can be stopped frequently and the foil is conveyed from the pressing device, and the foil is stopped periodically and the tension is kept.
Preferably, the foil discharging machine and the foil collecting machine are respectively provided with a discharging device and a collecting device, the discharging device and the collecting device respectively comprise an air expansion shaft for placing foil rolls and a magnetic powder clutch for controlling the air expansion shaft to rotate, when the pressing device is in a pressing state, the magnetic powder clutch stops the rotation of the air expansion shaft, and when the pressing device is in a feeding state, the magnetic powder clutch starts the rotation of the air expansion shaft.
Preferably, the foil discharging machine further comprises a linear transmission part and a mounting frame, wherein the linear transmission part is arranged on the frame, the mounting frame is used for mounting the discharging device, the transmission direction of the linear transmission part is the same as the width direction of the frame, the linear transmission part is used for connecting the mounting frame and the frame, and the mounting frame can move in the width direction of the frame, so that displacement offset of the foil roll on the discharging device is corrected.
Preferably, the foil feeder further comprises a punching device for punching foil, the punching device is arranged between the discharging device and the pressing device, the punching device comprises a punching piece and an executing component for controlling the punching piece to act, when the pressing device enters a pressing state, the executing component controls the punching piece to punch foil and retract, and when the punching device completes punching and retracts, the pressing device enters a feeding state.
Further, the punching device further comprises a top plate and a bottom plate, wherein holes are formed in the top plate and the bottom plate, foil passes through the top plate and the bottom plate, the top plate and the bottom plate are used for limiting and fixing during foil punching, and the top plate is arranged on the frame in a hinge mode so that foil passes through the punching device during feeding.
The perforating piece comprises a mounting plate, a rubbing block is rotatably arranged on the mounting plate, a guide rod is arranged on the rubbing block in the lateral direction, a tip cone is arranged on the top end of the rubbing block, a bottom plate is arranged above the mounting plate, a spring is arranged between the bottom plate and the mounting plate, a guide inclined plane is arranged at the lower end of a hole of the bottom plate, when the executing component controls the perforating piece to ascend, the bottom plate is contacted with the top plate to fix foil materials, so that the perforating piece can complete the perforating operation of the foil materials, and after the perforating operation of the foil materials is completed, the guide rod is contacted with the guide inclined plane along with the ascending of the perforating piece, so that the rubbing block rotates.
The foil collecting machine further comprises a deviation correcting induction device and a second guide roller, foil materials sequentially pass through the deviation correcting induction device, the second guide roller and the second material pressing device are wound by the material collecting device, the position of the foil materials is fed back by the deviation correcting induction device, and the situation that the foil materials after being processed are shifted in position is avoided.
Preferably, the foil collecting machine further comprises a first material pressing roller and a protective cover arranged at the bottom end of the foil collecting machine, wherein the first material pressing roller is located above the material collecting device and moves along with the change of the foil roll caliber of the material collecting device.
The control equipment is provided with a total control cabinet, the first material pressing device is provided with a material sensor and a material shortage alarm, the material sensor feeds back whether the foil to be processed is exhausted, when the foil to be processed is exhausted, the material shortage alarm gives out a warning prompt, and the material shortage alarm and the material sensor are independent of the total control cabinet, so that the alarm priority sequence of the total control cabinet is prevented from being interfered.
The technical effects of the invention are mainly as follows:
The foil placing machine in the control equipment rotates along with the foil conveying rhythm through the eccentric material pressing roller, and the periodic contact and separation mechanism of the foil placing machine can effectively maintain the tension stability of the foil even in the frequent start-stop stage in the processing process, and avoids the deflection or damage of the foil caused by tension fluctuation. The automatic tension control ensures that operators do not need to frequently and manually adjust the tension of the foil, thereby simplifying the operation flow, reducing the labor intensity and simultaneously reducing the possibility of human errors. Moreover, the punching device and the pressing device work cooperatively, so that the fixation and tension control of the foil in the punching process are ensured, the accuracy and consistency of hole sites are improved, the edge burrs and tearing phenomena are reduced, and the appearance quality and the functionality of the product are improved. Through the design of the magnetic powder clutch and the linear transmission part, the feeding and deviation correcting of the foil become simpler and controllable, the operation difficulty is reduced, the operation safety is improved, and the labor intensity of operators is reduced.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a partial block diagram of the foil dispenser of FIG. 1;
FIG. 3 is a side view of the foil dispenser of FIG. 1;
FIG. 4 is a block diagram of the foil winder of FIG. 1;
FIG. 5 is a side view of the foil winder of FIG. 1;
FIG. 6 is a block diagram of the first press of FIG. 1;
FIG. 7 is a block diagram of the perforating device of FIG. 1;
In the figure, 1, a foil discharging machine, 11, a linear transmission part, 12, a mounting frame, 2, a foil collecting machine, 21, a deviation correcting induction device, 22, a second material guiding roller, 23, a first material pressing roller, 24 and a protective cover, 3, a first material pressing device, 31, a first material guiding roller, 32, an eccentric material pressing roller, 33, a highest point, 34, a shortage alarm, 4, a discharging device, 41, an air expansion shaft, 42, a magnetic powder clutch, 5, a material collecting device, 6, a punching device, 61, an executing part, 62, a top plate, 63, a bottom plate, 64, a mounting plate, 65, a rubbing block, 66, a guide rod, 67, a guide inclined plane and 7, a second material pressing device.
Detailed Description
The following detailed description of the invention is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the invention.
In this embodiment, it should be understood that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "top", "right", "left", "upper", "back", "middle", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention.
In this embodiment, if not specifically described, the connection or fixation between the members may be by a bolt, a pin, or a pin, which are commonly used in the prior art, and therefore, will not be described in detail in this embodiment.
Example 1
Referring to fig. 1,2,3 and 6, the control device comprises a foil feeding machine 1 and a foil receiving machine 2, wherein foil is fed out by the foil feeding machine and rewound by the foil receiving machine 2 after being processed, and the foil feeding machine 1 and the foil receiving machine 2 comprise a frame and a pressing device arranged on the frame, and the pressing device is used for controlling the tension of the foil;
Referring to fig. 6, the pressing device comprises a first guide roller 31 for conveying the foil and an eccentric pressing roller 32 matched with the first guide roller 31, wherein the eccentric pressing roller 32 is provided with a highest point 33, and the pressing device formed by the first guide roller 31 and the eccentric pressing roller 32 rotates along with the foil conveying rhythm, and the periodic contact and separation mechanism of the eccentric pressing roller 32 can effectively maintain the tension stability of the foil even in the frequent start-stop stage in the processing process and avoid the foil deviation or damage caused by tension fluctuation. The automatic tension control ensures that operators do not need to frequently and manually adjust the tension of the foil, thereby simplifying the operation flow, reducing the labor intensity and simultaneously reducing the possibility of human errors.
The operation state of the pressing device is divided into a pressing state and a feeding state, when the highest point 33 of the eccentric pressing roller 32 is in contact with the foil, the pressing device is in a pressing state, the eccentric pressing roller 32 presses the foil downwards to enable the foil to be in close contact with the pressing device, when the highest point 33 of the eccentric pressing roller 32 is not in contact with the foil, the pressing device is in a feeding state, the foil can be fed out of the pressing device, the eccentric pressing roller 32 rotates along with the foil conveying, so that pressure is periodically applied to the foil to maintain tension stability of the foil when the foil is frequently started and stopped, and when the highest point 33 of the eccentric pressing roller 32 is in contact with the foil, the pressing state is formed, and the pressing roller presses the foil downwards to ensure that the foil is in close contact with the pressing device to prevent the foil from loosening or overstretching in the conveying process. When the highest point 33 of the eccentric nip roll 32 leaves the foil, the foil enters a feeding state, and the foil is normally conveyed.
Referring to fig. 1,2 and 3, the discharging device 4 and the collecting device 5 are respectively arranged on the discharging machine 1 and the collecting machine 2, the discharging device 4 and the collecting device 5 respectively comprise an air expansion shaft 41 for placing a foil roll and a magnetic powder clutch 42 for controlling the air expansion shaft 41 to rotate, and the air expansion shaft 41 is a device for supporting and fixing the foil roll. It typically comprises an internally inflated rubber inflatable tube which, when inflated, expands and tightly grips the inner diameter of the foil roll, thereby securing the foil roll. This allows the foil roll to remain stable during processing while facilitating replacement of the foil roll. The magnetic particle clutch 42 is an electromagnetic clutch that uses a magnetic field to transfer torque. When an electric current is passed through the coil, it generates a magnetic field which magnetizes the magnetic particles, thereby increasing the friction between the input shaft and the output shaft and transmitting torque. The advantage of the magnetic particle clutch 42 is that it allows very smooth and stepless control of the torque transmission, which is of great importance for foil processing, as it allows for accurate control of the tension of the foil.
The magnetic powder clutch 42 stops the rotation of the air expansion shaft 41 when the pressing device is in a pressing state, and the magnetic powder clutch 42 starts the rotation of the air expansion shaft 41 when the pressing device is in a feeding state. Specifically, in the nip state, when the nip device is in the nip state, the highest point 33 of the eccentric nip roll 32 contacts the foil, pressing the foil downward to maintain tension. In this state, the magnetic powder clutch 42 is activated to prevent the rotation of the air-inflated shaft 41, which means that the feeding of the foil is stopped, allowing accurate processing steps such as punching to be performed without fear of movement of the foil or tension variation. Feeding state when the press is switched to feeding state, the highest point 33 of the eccentric press roller 32 is no longer in contact with the foil, the magnetic powder clutch 42 is released, the air expansion shaft 41 is allowed to start rotating, and the foil can be fed continuously. At this stage the foil is advanced at a controlled speed and the magnetic particle clutch 42 ensures that the tension remains consistent, avoiding any twisting or deformation of the foil during the feeding process.
Referring to fig. 2 and 3, the foil feeder 1 further includes a linear transmission component 11 disposed on the frame and a mounting rack 12 for mounting the feeding device 4, where the linear transmission component 11 may be a sliding table, a sliding rail, a linear ball guide rail, a reciprocating screw structure, etc., and the above components are all used to implement precise linear motion, so as to ensure stability and accuracy of the foil roll during the feeding process. The mounting frame 12 carries the discharging device 4 and is connected with the frame through a linear transmission part 11. The frame here refers to the main frame structure of the foil dispenser 1, which provides a basis for supporting and positioning the whole apparatus.
The same driving direction of the linear driving member 11 as the width direction of the frame means that the linear driving member 11 moves in the transverse direction of the foil roll. The lateral position of the foil roll can be fine-tuned to correct any possible offset as it is fed into the processing area. The linear transmission part 11 is used for connecting the mounting frame 12 and the frame, so that the mounting frame 12 can move in the width direction of the frame, and displacement offset of the foil roll on the discharging device 4 is corrected. Specifically, by means of the precise control of the linear drive member 11, the mounting frame 12 can be moved in the width direction of the frame, so that the position of the foil roll on the unreeling device 4 is adjusted in real time. To maintain the straightness of the foil during processing, especially in punching or other fine processing steps where high precision is required. The combination of the linear transmission part 11 and the mounting frame 12 enables the foil laying machine 1 to dynamically correct the transverse displacement of the foil roll and ensure the precise alignment of the foil in the laying process. Not only improves the processing precision, but also reduces the rejection rate caused by the offset of the foil, thereby improving the overall production efficiency and the product quality. By using a high quality linear transmission member 11 such as a linear ball guide or a reciprocating screw structure, long-term reliability and low maintenance costs can be further ensured.
Referring to fig. 1,3 and 7, the foil feeder 1 further comprises a punching device 6 for punching foil, the punching device 6 is arranged between the discharging device 4 and the pressing device, the punching device 6 comprises a punching piece and an executing component 61 for controlling the action of the punching piece, and the punching piece is responsible for actual punching operation and is controlled by the executing component 61 to act. When the pressing device enters a pressing state, the executing component 61 controls the punching piece to punch and retract the foil, and when the punching device 6 completes the punching operation and retracts, the pressing device enters a feeding state.
The punching device 6 further comprises a top plate 62 and a bottom plate 63 provided with holes, the size of which is the size of the holes required for processing the foil. The foil passes through the space between the top plate 62 and the bottom plate 63, the top plate 62 and the bottom plate 63 are used for limiting and fixing during foil punching, and the top plate 62 is arranged on the frame in a hinge manner, so that the foil passes through the punching device 6 during feeding. The perforating piece comprises a mounting plate 64, a rubbing block 65 is rotatably arranged on the mounting plate 64, a reset torsion spring is arranged between the rubbing block 65 and the mounting plate 64, a guide rod 66 is laterally arranged on the rubbing block 65, a tip cone is arranged at the top end of the rubbing block, a bottom plate 63 is arranged above the mounting plate 64, a spring is arranged between the bottom plate 63 and the mounting plate 64, and a guide inclined plane 67 is arranged at the lower end of a hole of the bottom plate 63.
When the executing part 61 controls the punching part to ascend, the bottom plate 63 contacts with the top plate 62 to fix the foil, so that the punching part completes the punching operation of the foil, and after the punching operation of the foil is completed, the guide rod 66 contacts with the guide inclined surface 67 along with the ascending of the punching part, so that the rubbing block 65 rotates. Specifically, the mounting plate 64 of the perforating piece is provided with a rubbing block 65, and a lateral guide rod 66 and a top cone of the top end of the rubbing block jointly act on the perforating process of the foil. The spring between the bottom plate 63 and the mounting plate 64 provides buffering, and the guide inclined surface 67 at the lower end of the hole contacts the guide rod 66 when the punching piece ascends, so that the rubbing block 65 is driven to rotate, and the withdrawing action after punching is realized.
And in the punching operation flow, the pressing device enters a pressing state to press the foil, so that the stability of the foil in punching is ensured. The executing part 61 drives the punching part to work, the bottom plate 63 contacts with the top plate 62 to fix the foil, the rubbing block 65 punches the foil, and the guide rod 66 contacts with the guide inclined surface 67 to drive the rubbing block 65 to rotate. After the punching operation is completed, the executing component 61 controls the punching piece to reset, the reset torsion spring drives the rubbing block 65 to rotate, the retraction action of the punching piece is completed, and extra damage to the foil is avoided. The pressing device is switched to a feeding state, and the foil is continuously conveyed forward to prepare for the next punching or processing step.
Referring to fig. 1, 4 and 5, the pressing devices are a first pressing device 3 arranged on the foil placing machine 1 and a second pressing device 7 arranged on the foil collecting machine 2, and the second pressing device 7 is similar to the first pressing device 3 on the foil placing machine 1, and the tension of the foil is maintained stable through the periodical contact and separation of the eccentric pressing roller 32. In the foil winding machine 2, the function of the foil winding machine is to ensure the uniformity and stability of the tension of the foil before the foil enters the winding stage.
The foil collecting machine 2 further comprises a deviation rectifying induction device 21 and a second guide roller 22, foil materials sequentially pass through the deviation rectifying induction device 21, the second guide roller 22 and the second pressing device 7 are wound by the collecting device 5, the deviation rectifying induction device 21 feeds back the positions of the foil materials, and the situation that the foil materials after foil materials are processed are subjected to position deviation is avoided. The deviation correcting sensing device 21 is a key sensor assembly and is used for detecting the position deviation of the foil in the rolling process. The method can monitor the deviation of the foil relative to the set path in real time and feed back the information to the control system. Through the feedback of rectifying induction system 21, control system can adjust the operating condition of second swager 7 and other relevant subassemblies, in time rectifies the horizontal position deviation of foil, prevents that the foil from appearing controlling the condition of misalignment when the rolling. The second guide roller 22 helps to guide the foil to smoothly pass through the foil collecting machine 2, ensures that the path of the foil before entering the second pressing device 7 is correct, and further assists in deviation correction and tension control of the foil. After all necessary correction and tension adjustment, the material receiving device 5 is responsible for rolling the foil into a neat roll.
Referring to fig. 4 and 5, the foil collecting machine 2 further includes a first pressing roller 23 and a protective cover 24 disposed at the bottom end of the foil collecting machine 2, where the first pressing roller 23 is located above the collecting device 5 and moves along with the change of the foil coil caliber of the collecting device 5. The first nip roll 23 is mainly adapted to continuously apply a proper pressure on the foil during the winding process of the foil, so as to ensure that the foil is tightly and orderly wound into a roll. Along with the gradual increase of the diameter of the foil roll, the first material pressing roller 23 can correspondingly adjust the position and always keep contact with the foil roll, so that the tension and the position of the foil in the rolling process are maintained stable. The dynamic adjustment capability of the first nip roll 23 ensures that the foil is not wrinkled or relaxed due to sudden tension changes during winding, and avoids damage to the foil caused by excessive compression.
Referring to fig. 1,2, 3, 4 and 5, the control device is provided with a total control cabinet, the first material pressing device 3 is provided with a material sensor and a material shortage alarm 34, the material sensor feeds back whether the foil to be processed is exhausted, when the foil to be processed is exhausted, the material shortage alarm 34 sends out a warning prompt, and the material shortage alarm 34 and the material sensor are independent of the total control cabinet, so that the alarm priority sequence of the total control cabinet is prevented from being interfered. The material shortage alarm 34 is independently arranged, so that the priority conflict with other alarm signals in the total control cabinet is avoided. In an emergency, operators can respond to the shortage alarm rapidly, and the foil supplement is processed preferentially, so that the smoothness of the production flow is ensured. Through the cooperation of material inductor and lack of material alarm 34, the system can automated inspection and early warning foil stock, and the frequency of manual inspection has significantly reduced has improved the automation level of production efficiency and production line.
The technical effects of the invention are mainly as follows:
The foil placing machine 1 in the control equipment rotates along with the foil conveying rhythm through the eccentric material pressing roller 32, and the periodic contact and separation mechanism of the foil placing machine can effectively maintain the tension stability of the foil even in the frequent start-stop stage in the processing process, and avoid the deflection or damage of the foil caused by tension fluctuation. The automatic tension control ensures that operators do not need to frequently and manually adjust the tension of the foil, thereby simplifying the operation flow, reducing the labor intensity and simultaneously reducing the possibility of human errors. Furthermore, the punching device 6 and the material pressing device work cooperatively, so that the fixation and tension control of the foil in the punching process are ensured, the accuracy and consistency of hole sites are improved, the edge burrs and tearing phenomena are reduced, and the appearance quality and the functionality of the product are improved. By the design of the magnetic powder clutch 42 and the linear transmission part 11, the feeding and deviation correcting of the foil become simpler and controllable, the operation difficulty is reduced, the operation safety is improved, and the labor intensity of operators is reduced.
In addition, as is common in the industry, the aforementioned balloon 41, magnetic powder clutch 42, deviation correcting sensing device 21, general control cabinet, material sensor and material shortage alarm 34. The above is common knowledge, and therefore, the principle and structure thereof will not be described in detail.
Of course, the above is only a typical example of the invention, and other embodiments of the invention are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.
Claims (6)
1. The utility model provides a foil release constant tension automatic control equipment which characterized in that:
The control equipment comprises a foil placing machine and a foil collecting machine, wherein foil is sent out by the foil placing machine and rewound by the foil collecting machine after being processed, the foil placing machine and the foil collecting machine both comprise a frame and a pressing device arranged on the frame, the pressing device comprises a first material guide roller for conveying the foil and an eccentric pressing roller matched with the first material guide roller, the eccentric pressing roller is provided with a highest point, the running state of the pressing device is divided into a pressing state and a feeding state, when the highest point of the eccentric pressing roller is contacted with the foil, the pressing device is in a pressing state, the eccentric pressing roller downwards presses the foil to enable the foil to be closely contacted with the pressing device, and when the highest point of the eccentric pressing roller is not contacted with the foil, the pressing device is in a feeding state, the foil can be sent out from the pressing device, and the eccentric pressing roller rotates along with the foil conveying, so that the foil is periodically pressed, and the foil is frequently stopped under the condition of constant tension;
the foil placing machine further comprises a punching device for punching foil, and the punching device is arranged between the discharging device and the pressing device; the punching device comprises a punching piece and an executing component for controlling the punching piece to act, wherein when the pressing device enters a pressing state, the executing component controls the punching piece to punch and retract a foil;
The punching device further comprises a top plate and a bottom plate which are provided with holes, wherein foil passes through the top plate and the bottom plate, and the top plate and the bottom plate are used for limiting and fixing during foil punching;
The perforating piece comprises a mounting plate, a rubbing block is rotatably arranged on the mounting plate, a guide rod is arranged on the rubbing block in the lateral direction, a tip cone is arranged on the top end of the rubbing block, a bottom plate is arranged above the mounting plate, a spring is arranged between the bottom plate and the mounting plate, a guide inclined plane is arranged at the lower end of a hole of the bottom plate, when the executing component controls the perforating piece to ascend, the bottom plate is contacted with the top plate to fix foil materials, so that the perforating piece can complete the perforating operation of the foil materials, and after the perforating operation of the foil materials is completed, the guide rod is contacted with the guide inclined plane along with the ascending of the perforating piece, so that the rubbing block rotates.
2. The unreeling constant-tension automatic control device of claim 1, wherein:
the foil placing machine and the foil collecting machine are respectively provided with a discharging device and a collecting device, and the discharging device and the collecting device both comprise an air expansion shaft for placing foil rolls and a magnetic powder clutch for controlling the air expansion shaft to rotate;
when the pressing device is in a pressing state, the magnetic powder clutch stops rotating the air expansion shaft, and when the pressing device is in a feeding state, the magnetic powder clutch starts rotating the air expansion shaft.
3. The unreeling constant-tension automatic control device of claim 1, wherein:
the foil discharging machine further comprises a linear transmission part arranged on the frame and a mounting frame for mounting the discharging device;
The transmission direction of the linear transmission part is the same as the width direction of the frame, and the linear transmission part is used for connecting the mounting frame and the frame, so that the mounting frame can move in the width direction of the frame, and the displacement offset of the foil roll on the discharging device is corrected.
4. The unreeling constant-tension automatic control device of claim 2, wherein:
The material pressing devices are respectively a first material pressing device arranged on the foil laying machine and a second material pressing device arranged on the foil collecting machine;
The foil collecting machine further comprises a deviation correcting induction device and a second guide roller, foil materials sequentially pass through the deviation correcting induction device, the second guide roller and the second pressing device are wound by the collecting device, the deviation correcting induction device feeds back the positions of the foil materials, and the situation that the foil materials after being processed are subjected to position deviation is avoided.
5. The unreeling constant-tension automatic control device of claim 4, wherein:
The foil collecting machine further comprises a first material pressing roller and a protective cover arranged at the bottom end of the foil collecting machine, wherein the first material pressing roller is located above the material collecting device and moves along with the change of the foil rolling caliber of the material collecting device.
6. The unreeling constant-tension automatic control device of claim 4, wherein:
the control equipment is provided with a total control cabinet;
the first material pressing device is provided with a material sensor and a material shortage alarm, the material sensor feeds back whether the foil to be processed is exhausted, and when the foil to be processed is exhausted, the material shortage alarm sends out a warning prompt;
The material shortage alarm and the material sensor are independent of the outside of the main control cabinet, so that the alarm priority sequence of the main control cabinet is prevented from being interfered.
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| CN202411026437.2A CN118877628B (en) | 2024-07-30 | 2024-07-30 | A foil-releasing constant tension automatic control device |
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| CN202411026437.2A CN118877628B (en) | 2024-07-30 | 2024-07-30 | A foil-releasing constant tension automatic control device |
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| CN118877628B true CN118877628B (en) | 2025-01-21 |
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| CN214692417U (en) * | 2021-04-19 | 2021-11-12 | 天津利成虹宇包装材料有限公司 | Double-photoelectric eye winding device for controlling diameter of sausage casing film roll |
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| JPS52111080A (en) * | 1976-03-15 | 1977-09-17 | Kazutoshi Yamazaki | Method of obtaining blanks from material of specified length |
| JP2005066778A (en) * | 2003-08-26 | 2005-03-17 | Yunika Kk | Cylindrical boring tool |
| CN108439003B (en) * | 2018-03-27 | 2024-12-06 | 湖北玥研科技有限公司 | Die cutting machine |
| CN113428708A (en) * | 2021-05-21 | 2021-09-24 | 芜湖增亿精密模具有限公司 | Door curtain swager |
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| CN201433006Y (en) * | 2009-01-22 | 2010-03-31 | 厦门麒丰印刷机械有限公司 | Tipping paper laser drilling machine paper feeding mechanism traction device |
| CN106219299A (en) * | 2016-08-31 | 2016-12-14 | 盐城雄鹰精密机械有限公司 | Rectify a deviation automatic discharging strain braking device |
| CN111941531A (en) * | 2020-08-18 | 2020-11-17 | 宣城红妆美人床上用品有限公司 | Continuous perforating device is used in textile production processing |
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| CN118877628A (en) | 2024-11-01 |
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