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CN-122009893-A - High-precision trimming device and method for aluminum foil coiling processing

CN122009893ACN 122009893 ACN122009893 ACN 122009893ACN-122009893-A

Abstract

The invention belongs to the technical field of aluminum foil coiling processing equipment, and particularly relates to a high-precision edge cutting device and method for aluminum foil coiling processing, wherein the high-precision edge cutting device comprises a frame assembly, and the frame assembly comprises a support plate, a flat foil roller, an edge separating roller and a rear flat foil roller which are symmetrically arranged; the front flat foil roller is provided with a tensioning deviation correcting component in front, the tensioning deviation correcting component comprises a barrel shaft, the barrel shaft is rotatably arranged on the supporting plate and used for correcting prefabricated aluminum foils which are deviated before cutting, and rear cutting distortion caused by deviation of the prefabricated aluminum foils is avoided. According to the invention, the spacing adjustment of the slitting knives is consistent, the stability of the slitting knives, the self-correction and the tension adjustment are ensured in all directions, the multi-structure cooperation is realized, and the slitting precision of the aluminum foil edge strips is improved.

Inventors

  • JIA RUIJIAO
  • QU TAO
  • SUN QIANG
  • CHEN XIUMIN

Assignees

  • 中铝铝箔(云南)有限公司
  • 昆明理工大学

Dates

Publication Date
20260512
Application Date
20260403

Claims (10)

  1. 1. The high-precision edge cutting device for aluminum foil coiling processing comprises a frame assembly (10), wherein the frame assembly (10) comprises symmetrically arranged support plates (108), and a front flat foil roller (101), an edge separating roller (102) and a rear flat foil roller (103) are sequentially and horizontally arranged above the support plates (108); The cutting assembly (20) is arranged above the front flat foil roller (101) and the edge dividing roller (102), the cutting assembly (20) comprises symmetrically arranged dividing cutters (201), the dividing cutters (201) are arranged on a supporting plate (108) through double-headed screws (208) and are used for synchronously centering the distance between the dividing cutters (201) at the two sides so as to adapt to cutting of fine rolls (502) with different specifications; The front flat foil roller (101) is provided with a tensioning deviation rectifying assembly (30) in front, the tensioning deviation rectifying assembly (30) comprises a barrel shaft (301), the barrel shaft (301) is rotatably arranged on a supporting plate (108), the middle of the barrel shaft (301) is large, two ends of the barrel shaft are gradually tapered, the diameter of the barrel shaft is gradually reduced, the prefabricated aluminum foil is used for correcting deviation before cutting, and the cutting assembly (20) at the rear caused by deviation of rolled aluminum foil is prevented from being cut askew.
  2. 2. The high-precision trimming device for aluminum foil coiling processing as recited in claim 1, wherein a nut seat (206) is arranged on the left side of the slitting knife (201), a screw rod nut (207) is arranged on the nut seat (206), and the screw rod nut (207) is sleeved on a double-head screw rod (208); The right side of the slitting knife (201) is provided with a sliding block (203), the sliding block (203) is sleeved on a sliding rail (204), the sliding rail (204) is fixed on a U-shaped frame (205), and the U-shaped frame (205) is fixed on a supporting plate (108).
  3. 3. The high-precision trimming device for aluminum foil coiling processing according to claim 1, wherein the barrel shaft (301) is obliquely arranged below the front of the front flat foil roller (101), two sides of the barrel shaft (301) are rotatably arranged on one side of a tensioning deviation correcting frame (302) through bearings and bearing blocks, a spring shaft (303) is arranged on the other side of the tensioning deviation correcting frame (302), the spring shaft (303) is slidably arranged in an inner hole of a mounting plate, one end of the spring shaft is connected with a nut in a threaded manner, and the mounting plate (306) is fixed on a supporting plate (108); And a spring (305) is sleeved between the tensioning deviation correcting frame (302) and the mounting plate (306) by the spring shaft (303) and is used for self-adjusting the tension of the prefabricated aluminum foil.
  4. 4. The high-precision trimming device for aluminum foil coiling process as recited in claim 1, wherein the left side and the right side of the supporting plate (108) are provided with a coil assembly (40), and the coil assembly (40) comprises an expansion shaft (406); One end of the expansion shaft (406) is arranged in the bearing seat (402) through a bearing, a turntable (403) is arranged at the bottom of the bearing seat (402) through a countersunk bolt, and the turntable (403) is rotatably arranged in the turntable base (401) through a turntable cover plate (408); The other end of the expansion shaft (406) is sleeved with a packaging bearing (407), and the packaging bearing (407) is detachably arranged in the U-shaped seat (404) through a handle bolt (405); The turntable base (401) and the U-shaped seat (404) are respectively arranged on the supporting plate (108) through rib plates (109).
  5. 5. The high-precision trimming device for aluminum foil coiling processing as recited in claim 2, wherein two ends of the double-ended screw rod (208) are rotatably arranged on the supporting plate (108) through bolt bearings (209) respectively; the left side and the right side of the slitting knife (201) are fixed on a knife rest (202) through screws, and the left side of the knife rest (202) is fixed on a nut seat (206) through screws; the right side of the tool rest 202 is fixed on a sliding block (203) through a screw.
  6. 6. The high-precision trimming device for aluminum foil coiling machining according to claim 3, wherein the spring shaft (303) is symmetrically provided with optical axes (304) on two sides; The spring shaft (303) and the optical axis (304) are slidably embedded on the mounting plate (306).
  7. 7. The high-precision trimming device for aluminum foil coiling processing according to claim 1, wherein an upper reversing roller (106) is arranged on the right side of the rear flat foil roller (103) through a bearing, and a carbon fiber brush (104) is detachably embedded on the upper right side of the upper reversing roller (106) through a brush frame (105); A lower reversing roller (107) is arranged below the rear flat foil roller (103) through a bearing.
  8. 8. A high precision trimming device for aluminum foil coiling process as recited in claim 4, wherein a rewinding motor (410) is mounted on a side of the expansion shaft (406) on the right side close to the bearing seat (402).
  9. 9. The high-precision trimming device for aluminum foil coiling machining according to claim 4, wherein a turntable locking screw (409) is arranged on one side of the turntable base (401).
  10. 10. A high-precision trimming method for aluminum foil coiling processing, using the high-precision trimming device for aluminum foil coiling processing according to any one of claims 1 to 9, characterized by comprising the following steps: S1, loosening a handle bolt (405) on the left side, rotating out an expansion shaft (406), and rotating back to lock after a prefabricated roll (501) is arranged on the expansion shaft (406); S2, rotating the double-headed screw (208) according to the size specification of the fine coil (502), so as to adjust the interval between the cutting knives (201); S3, loosening a handle bolt (405) on the right side, rotating out an expansion shaft (406), mounting a winding drum of the fine coil (502) on the expansion shaft (406), then rotating back to be locked, starting an expansion shaft expansion switch, and fixing the winding drum; S4, pulling out an aluminum foil of the prefabricated coil (501), sequentially winding the aluminum foil below a barrel shaft (301), and fixing the aluminum foil on a winding drum of the fine coil (502) after the lower reversing roller (107) is arranged below a front flat foil roller (101), a edge separating roller (102), a rear flat foil roller (103) and an upper reversing roller (106); S5, starting a rewinding motor (410) and a slitting knife (201) to cut edges; S6, when the fine coil (502) is taken out, the handle bolt (405) on the right side is loosened again, and the expansion shaft (406) is rotated out to take out.

Description

High-precision trimming device and method for aluminum foil coiling processing Technical Field The invention belongs to the technical field of aluminum foil coiling processing, and particularly relates to a high-precision trimming device and method for aluminum foil coiling processing. Background Aluminum foil is widely applied, and has body and shadow in the fields of food packaging, medicine packaging, lithium ion battery current collectors, air conditioner radiators, electronic components and the like. With the increasing severity of aluminum foil specification and trimming in the downstream application field, aluminum foil coiling processing is developing towards diversified specification and high-precision trimming. The patent with the publication number of CN212020907U discloses a high-precision slitting machine for medicinal aluminum foils, which is characterized in that slitting knives are respectively adjusted through independently arranged fixing structures so as to cut aluminum foils with different specifications, and meanwhile, the slitting knives are arranged on a longer slitting rotating shaft, and the slitting knives are driven to cut edges through rotating the slitting rotating shaft. The structure is as follows: 1. The pitch adjustment error of the slitting knife is large. The prefabricated aluminum foil coil is usually placed in the center for trimming and rewinding, the space between the slitting knives is adjusted in a lack of linkage, and the adjustment quantity of the slitting knives at the two ends is inconsistent easily. 2. The stability of the slitting knife is poor. The slitting knife is sleeved on the slitting rotating shaft, and the rotating shaft is longer, so that the slitting knife is greatly influenced by centrifugal force during cutting, and the overall coaxiality is low, so that the stability of the slitting knife is poor. 3. There is a risk of deviation. And a deviation rectifying component is not arranged, and when the aluminum foil is cut, the prefabricated aluminum foil can slip to deviate. 4. The tension is unstable. The tension adjusting component is not arranged, so that the tension of the aluminum foil cannot be automatically adjusted, and the cutting in the optimal state is realized. Disclosure of Invention Aiming at the technical problems in the background technology, the invention provides a high-precision trimming device and a high-precision trimming method for aluminum foil coiling processing, which have the advantages of small spacing adjustment error of a slitting knife, good stability of the slitting knife, and self-correction and tension adjustment. In order to achieve the above purpose, the technical scheme provided by the invention is as follows: The high-precision edge cutting device for aluminum foil coiling processing comprises a frame assembly, wherein the frame assembly comprises symmetrically arranged support plates, and a front flat foil roller, an edge separating roller and a rear flat foil roller are sequentially and horizontally arranged above the support plates; The upper part between the front flat foil roller and the edge dividing roller is provided with a cutting assembly, the cutting assembly comprises symmetrically arranged dividing cutters, the dividing cutters are arranged on a supporting plate through double-headed screws and are used for synchronously centering and winding and unwinding the intervals of the dividing cutters at two sides so as to adapt to fine coil cutting with different specifications; The front flat foil roller is provided with a tensioning deviation rectifying assembly in front, the tensioning deviation rectifying assembly comprises a barrel shaft, the barrel shaft is rotatably arranged on a supporting plate, the middle of the barrel shaft is large, two ends of the barrel shaft are gradually tapered, the prefabricated aluminum foil is used for correcting deviation before cutting, and the situation that the rear cutting assembly is askew due to deviation of rolled aluminum foil is avoided. Further, a nut seat is arranged on the left side of the slitting knife, a screw rod nut is arranged on the nut seat, and the screw rod nut is sleeved on the double-head screw rod; The right side of the slitting knife is provided with a sliding block, the sliding block is sleeved on a sliding rail, the sliding rail is fixed on a U-shaped frame, and the U-shaped frame is fixed on a supporting plate. Further, the barrel shaft is obliquely arranged below the front flat foil roller, two sides of the barrel shaft are rotatably arranged on one side of the tensioning deviation correcting frame through bearings and bearing blocks, a spring shaft is arranged on the other side of the tensioning deviation correcting frame, the spring shaft is slidably arranged in an inner hole of the mounting plate, one end of the spring shaft is in threaded connection with a nut, and the mounting plate is fixed on the supporting plate; the spring shaft is posi