CN108943871B - Flat rope outward folding servo pre-cutting device of paper bag machine - Google Patents
Flat rope outward folding servo pre-cutting device of paper bag machine Download PDFInfo
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- CN108943871B CN108943871B CN201811079591.0A CN201811079591A CN108943871B CN 108943871 B CN108943871 B CN 108943871B CN 201811079591 A CN201811079591 A CN 201811079591A CN 108943871 B CN108943871 B CN 108943871B
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- paper bag
- folding
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- handle
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- 230000005540 biological transmission Effects 0.000 claims description 39
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
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Abstract
The invention discloses a flat rope outward folding servo pre-cutting device of a paper bag machine in the technical field of paper bag processing, which comprises a main frame, a handle attaching part for attaching a handle to a blank paper bag, a bag guiding part, a pre-cutting part, a guiding part and an inward folding outward folding mechanism, wherein the bag guiding part is used for guiding the blank paper bag to the pre-cutting part, the guiding part is used for guiding the blank paper bag to the inward folding outward folding mechanism, the inward folding outward folding mechanism is used for outwards folding the handle, and the handle attaching part corresponds to the position of the guiding part; the pre-cutting component comprises a carrier roller with a round roller structure and a pre-cutting knife mechanism for pre-cutting a notch on a blank paper bag. So that three steps of cutting a notch, pasting a handle, folding the handle outwards and the like can be sequentially performed.
Description
Technical Field
The invention relates to the technical field of paper bag processing, in particular to a flat rope outward folding servo pre-cutting device of a paper bag machine.
Background
In daily life, the paper bags are widely applied, in particular to flat rope handle paper bags. At present, flat rope handle paper bags in the market are manufactured on a machine in an inward folding way, if the flat ropes are folded outwards, the flat ropes are cut off when the paper bags are cut off, so that the machine cannot produce the outward folding flat ropes, and if the flat rope handle paper bags are to be manufactured, only manual pasting or manual taking out after the flat ropes are folded inwards, so that the labor intensity of workers is high and the cost is high.
Disclosure of Invention
The invention aims to provide a flat rope outward folding servo pre-cutting device of a paper bag machine, which can sequentially carry out three steps of cutting a notch, pasting a handle, outward folding the handle and the like.
The purpose of the invention is realized in the following way: the flat rope outward folding servo pre-cutting device of the paper bag machine comprises a main frame, a handle mounting part for mounting a handle on a blank paper bag, a bag guiding part, a pre-cutting part, a guiding part and an inward folding outward folding mechanism which are sequentially arranged on the main frame according to a processing flow, wherein the bag guiding part is used for guiding the blank paper bag to the pre-cutting part, the guiding part is used for guiding the blank paper bag to the inward folding outward folding mechanism, the inward folding outward folding mechanism is used for outwards folding the handle, and the handle mounting part corresponds to the position of the guiding part;
the pre-cutting component comprises a bearing cutting roller with a round roller structure and a pre-cutting knife mechanism for pre-cutting a notch on a blank paper bag, the bearing cutting roller is rotatably arranged, the peripheral side of the bearing cutting roller is in pressure contact with the paper surface of the blank paper bag, the pre-cutting knife mechanism comprises a support, a swinging shaft, a knife rest, blades and a servo motor, the support is fixed on the main frame, the servo motor is arranged on the support, the swinging shaft is rotatably arranged on the support around the shaft, the output end of the servo motor is in transmission connection with the swinging shaft, the knife rest is sleeved on the swinging shaft, at least two groups of blades are arranged, each group of blades comprises two blades, the arrangement direction of all the blades is parallel to the axis of the swinging shaft, and the axis of the swinging shaft is parallel to the rotation axis of the bearing cutting roller and the paper surface of the blank paper bag;
the cutting bearing roller and the blade are mutually close when in precutting;
the inner folding mechanism comprises a stop lever, a pressing plate and a supporting plate, wherein the supporting plate is fixed on a main frame and used for supporting a blank paper bag, the pressing plate is used for limiting the position of the blank paper bag, the pressing plate and the supporting plate are parallel to each other and are close to each other, a gap is reserved between the pressing plate and the supporting plate, the size of the gap is matched with the thickness of the blank paper bag, the stop lever is fixed on the main frame, the stop lever is positioned at the inlet side of the pressing plate, and the stop lever is used for folding a handle outwards.
Further, the supporting roll changing mechanism that has of roll-bearing, roll changing mechanism includes cylinder, swing arm, gear, rack, adjustable shelf, sliding guide, the swing arm rotatably installs on the body frame, the coaxial suit of gear is on the rotation axis of swing arm, sliding guide fixes on the body frame, the adjustable shelf slidable installs on sliding guide, but roll-bearing is rotationally installed on the adjustable shelf, just roll-bearing's rotation axis is parallel with the rotation axis of swing arm, the rack is fixed on the adjustable shelf, gear and rack mesh mutually, the cylinder of cylinder articulates on the body frame, the piston rod of cylinder articulates with the swing arm mutually.
Further, the roll changing mechanism comprises a limit bolt, the thread part of the limit bolt is threaded and connected with the main frame in a penetrating mode, and the free end of the swing arm is located at a position abutting against the thread part of the limit bolt when precutting is carried out.
Further, the guide part comprises a guide roller, a driving motor, a transmission press roller and an auxiliary press roller, wherein the guide roller and the auxiliary press roller can be installed on the main frame in a pivoting manner, the driving motor is installed on the main frame, the paper surface of the blank paper bag is in lateral pressure contact with the periphery of the guide roller, the transmission press rollers are provided with two groups, each group of transmission press rollers are linearly arranged, the arrangement directions of the two groups of transmission press rollers are parallel to each other, the two groups of transmission press rollers jointly press the blank paper bag in a clamping manner, the two groups of transmission press rollers are in linkage arrangement, the output end of the driving motor is in transmission connection with one of the transmission press rollers, the guide roller corresponds to and is close to the feeding side position of the two groups of transmission press rollers, the auxiliary press roller corresponds to and is close to the discharging side position of the two groups of transmission press rollers, and the auxiliary press rollers are provided with a pair of and jointly press the blank paper bag in a clamping manner.
Further, the pre-cutter mechanism further comprises a driving wheel, a transmission belt and a driven wheel, wherein the driving wheel is coaxially sleeved on an output main shaft of the servo motor, the driven wheel is coaxially sleeved on a pendulum shaft, and the transmission belt is simultaneously wound with the driving wheel and the driven wheel.
Further, the bag guiding member includes a plurality of introducing rollers rotatably mounted on the main frame around which the blank paper bag is wound.
Compared with the prior art, the invention has the beneficial effects that: so that three steps of cutting a notch, pasting a handle, folding the handle outwards and the like can be sequentially carried out; when the paper bag is precut, a corresponding incision can be cut on the paper bag of the blank by utilizing the blade, after precutting, the handle is attached to the paper bag of the blank by utilizing the handle attaching part, then the paper bag of the blank is flattened by utilizing the two groups of transmission compression rollers, at the moment, the handle is in an inward folding state and forms an included angle with the bag surface of the paper bag of the blank, then the stop lever hooks the handle along with the movement of the paper bag of the blank to enable the handle to be folded outwards, and meanwhile, the paper bag of the blank enters a gap between the pressing plate and the supporting plate, so that the paper bag of the blank is almost flat after being folded outwards, the outward folding state of the handle is maintained, and the processing and forming of the paper bag are well completed.
Drawings
Fig. 1 is a main layout of the present invention.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a B-B cross-sectional view in fig. 2.
Fig. 4 is an enlarged view of a portion C in fig. 1.
Fig. 5 is an enlarged view of a portion D in fig. 1.
The device comprises a main frame 1, an introduction roller 2, a pre-cutter mechanism 3, a servo motor 301, a driving wheel 302, a driving belt 303, a driven wheel 304, a swinging shaft 305, a cutter frame 306, a cutter blade 307, a bracket 308, a bearing roller 4, a roller changing mechanism 5, a cylinder 501, a swinging arm 502, a gear 503, a rack 504, a movable frame 505, a sliding guide rail 506, a limit bolt 507, a guide roller 6, a driving motor 7, a driving press roller 8, an auxiliary press roller 9, a folding mechanism 10, a stop lever 10a, a pressing plate 10b, a supporting plate 10c, a blank paper bag 11, a handle 12 and a handle 13.
Detailed Description
As shown in fig. 1-5, the flat rope outward folding servo pre-cutting device of the paper bag machine comprises a main frame 1, a handle attaching part 13 for attaching a handle 12 to a blank paper bag 11, a bag guiding part, a pre-cutting part, a guiding part and an inward folding outward folding mechanism 10 which are sequentially arranged on the main frame 1 according to a processing flow, wherein the bag guiding part is used for guiding the blank paper bag 11 to the pre-cutting part, the guiding part is used for guiding the blank paper bag 11 to the inward folding outward folding mechanism 10, the inward folding outward folding mechanism 10 is used for outwards folding the handle 12, and the handle attaching part 13 corresponds to the position of the guiding part.
The pre-cutting component comprises a carrier roller 4 with a round roller structure and a pre-cutting mechanism 3 for pre-cutting a notch on a blank paper bag 11, the carrier roller 4 is rotatably arranged, the outer peripheral side of the carrier roller 4 is in pressure contact with the paper surface of the blank paper bag 11, the pre-cutting mechanism 3 comprises a support 308, a pendulum shaft 305, a knife rest 306, a knife blade 307 and a servo motor 301, the support 308 is fixed on the main frame 1, the servo motor 301 is mounted on the support 308, the pendulum shaft 305 is rotatably mounted on the support 308, the output end of the servo motor 301 is in transmission connection with the pendulum shaft 305, the knife rest 306 is sleeved on the pendulum shaft 305, at least two groups of the knife blades 307 are arranged, each group comprises two knife blades 307, the arrangement direction of all the knife blades 307 is parallel to the axis of the pendulum shaft 305, and the axis of the pendulum shaft 305 is parallel to the rotation axis of the carrier roller 4 and the paper surface of the blank paper bag 11.
The cutter receiving roller 4 and the blade 307 are brought close to each other at the time of precutting.
The inner folding and outer folding mechanism 10 comprises a stop lever 10a, a pressing plate 10b and a supporting plate 10c, wherein the supporting plate 10c is fixed on the main frame 1 and is used for supporting the blank paper bags 11, the pressing plate 10b is used for limiting the positions of the blank paper bags 11, the pressing plate 10b and the supporting plate 10c are parallel to each other and are close to each other, a gap is reserved between the pressing plate 10b and the supporting plate 10c, the gap size is matched with the thickness of the blank paper bags 11, the stop lever 10a is fixed on the main frame 1, the stop lever 10a is positioned at the inlet side of the pressing plate 10b, and the stop lever 10a is used for outer folding the handles 12.
The roll changing mechanism 5 is matched with the cutting bearing roll 4, the roll changing mechanism 5 comprises an air cylinder 501, a swing arm 502, a gear 503, a rack 504, a movable frame 505 and a sliding guide rail 506, the swing arm 502 is rotatably arranged on the main frame 1, the gear 503 is coaxially sleeved on a rotating shaft of the swing arm 502, the sliding guide rail 506 is fixed on the main frame 1, the movable frame 505 is slidably arranged on the sliding guide rail 506, the cutting bearing roll 4 is rotatably arranged on the movable frame 505 around the shaft, the rotating axis of the cutting bearing roll 4 is parallel to the rotating axis of the swing arm 502, the rack 504 is fixed on the movable frame 505, the gear 503 is meshed with the rack 504, a cylinder barrel of the air cylinder 501 is hinged on the main frame 1, and a piston rod of the air cylinder 501 is hinged with the swing arm 502. When the roll is replaced, the piston rod of the air cylinder 501 stretches to drive the swing arm 502 to rotate, the gear 503 drives the rack 504 to move, and accordingly the whole movable frame 505 is driven to slide along the sliding guide rail 506, and the position of the cutting-bearing roll 4 is switched.
The roll changing mechanism 5 comprises a limit bolt 507, a threaded portion of the limit bolt 507 is threaded and connected with the main frame 1 in a penetrating way, and the free end of the swing arm 502 is just positioned against the threaded portion of the limit bolt 507 when pre-cutting is performed. Thereby defining the turning angle position of the swing arm 502, the swing arm 502 is in a horizontal state and just abuts against the threaded portion of the limit bolt 507 when the pre-cutting is performed, thereby indirectly controlling the position of the backup roll 4.
The guide component comprises a guide roller 6, a driving motor 7, transmission press rollers 8 and auxiliary press rollers 9, wherein the guide roller 6 and the auxiliary press rollers 9 are rotatably arranged on the main frame 1 around a shaft, the driving motor 7 is arranged on the main frame 1, the paper surface of a blank paper bag 11 is in lateral pressure contact with the periphery of the guide roller 6, the transmission press rollers 8 are provided with two groups, each group of transmission press rollers 8 are linearly arranged, the arrangement directions of the two groups of transmission press rollers 8 are parallel to each other, the two groups of transmission press rollers 8 jointly press the blank paper bag 11, the two groups of transmission press rollers 8 are in linkage arrangement, the output end of the driving motor 7 is in transmission connection with one of the transmission press rollers 8, the guide roller 6 corresponds to and is close to the feeding side position of the two groups of transmission press rollers 8, the auxiliary press rollers 9 corresponds to and is close to the discharging side position of the two groups of transmission press rollers 8, and the auxiliary press rollers 9 are provided with a pair of and jointly press the blank paper bag 11.
The pre-cutting knife mechanism 3 further comprises a driving wheel 302, a driving belt 303 and a driven wheel 304, wherein the driving wheel 302 is coaxially sleeved on an output main shaft of the servo motor 301, the driven wheel 304 is coaxially sleeved on a swinging shaft 305, and the driving belt 303 is simultaneously wound with the driving wheel 302 and the driven wheel 304.
The above-mentioned bag-guiding member includes a plurality of introducing rollers 2, the introducing rollers 2 are rotatably mounted on the main frame 1 around axes, and the blank paper bags 11 are wound around the introducing rollers 2.
When the paper bag 11 is manufactured, the paper bag 11 is unfolded and wound on the introducing roller 2, and the traction mechanism continuously pulls the paper bag 11 so that the paper bag 11 can move along the conveying direction. When pre-cutting is carried out, a corresponding incision can be cut on the blank paper bag 11 by utilizing the blade 307, after pre-cutting is finished, the handle 12 is attached to the blank paper bag 11 by utilizing the handle attaching part 13, then the blank paper bag 11 is flattened by utilizing the two groups of transmission press rollers 8, at the moment, the handle 12 is in an inward folding state and forms an included angle with the bag surface of the blank paper bag 11, then along with the movement of the blank paper bag 11, the handle 12 is hooked by the stop lever 10a so that the handle is folded outwards, and meanwhile, the blank paper bag 11 enters a gap between the pressing plate 10b and the supporting plate 10c, so that the handle 12 is almost flat with the blank paper bag 11 after being folded outwards, and the outward folding state of the handle 12 is maintained, so that the processing and forming of the paper bag are well finished.
When the angular position of the blade 307 needs to be adjusted, the servo motor 301 outputs torque, and the driving wheel 302, the driving belt 303 and the driven wheel 304 are sequentially driven, so that the pendulum shaft 305 rotates together with the tool rest 306 and the blade 307.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (6)
1. The utility model provides a servo precutting device is rolled over outward to paper bag machine flat rope, includes body frame (1), still includes handle dress part (13) that are used for pasting handle (12) on blank container bag (11), its characterized in that: the automatic folding machine further comprises a bag guiding component, a precutting component, a guiding component and an internal folding and external folding mechanism (10) which are sequentially arranged on the main frame (1) according to a processing flow, wherein the bag guiding component is used for guiding the blank paper bag (11) to the precutting component, the guiding component is used for guiding the blank paper bag (11) to the internal folding and external folding mechanism (10), the internal folding and external folding mechanism (10) is used for folding the handle (12) outwards, and the handle attaching component (13) corresponds to the position of the guiding component;
the pre-cutting component comprises a carrier roller (4) with a round roller structure and a pre-cutting mechanism (3) for pre-cutting a notch on a blank paper bag (11), the carrier roller (4) is rotatably arranged, the outer peripheral side of the carrier roller is in pressure contact with the paper surface of the blank paper bag (11), the pre-cutting mechanism (3) comprises a bracket (308), a swinging shaft (305), a knife rest (306), blades (307) and a servo motor (301), the bracket (308) is fixed on the main frame (1), the servo motor (301) is mounted on the bracket (308), the swinging shaft (305) is rotatably mounted on the bracket (308) around a shaft, the output end of the servo motor (301) is in transmission connection with the swinging shaft (305), the knife rest (306) is sleeved on the swinging shaft (305), the blades (307) are at least provided with two groups, each group comprises two blades (307), the arrangement directions of all the blades (307) are parallel to the axis of the swinging shaft (305), and the axis of the swinging shaft (305) is parallel to the paper surface of the blank paper bag (4) which rotates;
the carrier roller (4) and the blade (307) are close to each other when pre-cutting;
the inner folding and outer folding mechanism (10) comprises a stop lever (10 a), a pressing plate (10 b) and a supporting plate (10 c), wherein the supporting plate (10 c) is fixed on a main frame (1) and used for supporting a blank paper bag (11), the pressing plate (10 b) is used for limiting the position of the blank paper bag (11), the pressing plate (10 b) and the supporting plate (10 c) are parallel to each other and are close to each other, a gap is reserved between the pressing plate (10 b) and the supporting plate (10 c), the gap size is matched with the thickness of the blank paper bag (11), the stop lever (10 a) is fixed on the main frame (1), the stop lever (10 a) is located at the inlet side position of the pressing plate (10 b), and the stop lever (10 a) is used for outer folding a handle (12).
2. The paper bag machine flat rope outward folding servo pre-cutting device according to claim 1, wherein: the roll changing mechanism (5) is matched with the cutting bearing roll (4), the roll changing mechanism (5) comprises an air cylinder (501), a swing arm (502), a gear (503), a rack (504), a movable frame (505) and a sliding guide rail (506), the swing arm (502) is rotatably mounted on the main frame (1), the gear (503) is coaxially sleeved on a rotating shaft of the swing arm (502), the sliding guide rail (506) is fixed on the main frame (1), the movable frame (505) is slidably mounted on the sliding guide rail (506), the cutting bearing roll (4) is rotatably mounted on the movable frame (505) around a shaft, the rotating axis of the cutting bearing roll (4) is parallel to the rotating axis of the swing arm (502), the rack (504) is fixed on the movable frame (505), the gear (503) is meshed with the rack (504), and a cylinder barrel of the air cylinder (501) is hinged on the main frame (1), and a piston rod of the air cylinder (501) is hinged with the swing arm (502).
3. The paper bag machine flat rope outward folding servo pre-cutting device according to claim 2, wherein: the roll changing mechanism (5) comprises a limit bolt (507), a threaded portion of the limit bolt (507) is threaded and connected with the main frame (1) in a penetrating mode, and when precutting is conducted, the free end of the swing arm (502) is located at a position abutting against the threaded portion of the limit bolt (507).
4. The paper bag machine flat rope outward folding servo pre-cutting device according to claim 1, wherein: the guide part comprises a guide roller (6), a driving motor (7), a transmission press roller (8) and an auxiliary press roller (9), the guide roller (6) and the auxiliary press roller (9) are rotatably arranged on a main frame (1) around a shaft, the driving motor (7) is arranged on the main frame (1), the paper surface of a blank paper bag (11) is contacted with the lateral pressure of the periphery of the guide roller (6), the transmission press roller (8) is provided with two groups, each group of transmission press rollers (8) are linearly arranged, the arrangement directions of the two groups of transmission press rollers (8) are parallel to each other, the two groups of transmission press rollers (8) are jointly clamped to press the blank paper bag (11), the two groups of transmission press rollers (8) are in linkage arrangement, the output end of the driving motor (7) is in transmission connection with one of the transmission press rollers (8), the guide roller (6) corresponds to and is close to the feeding side position of the two groups of transmission press rollers (8), the auxiliary press roller (9) corresponds to and is close to the discharging side position of the two groups of transmission press rollers (8), and the auxiliary press rollers (9) are provided with a pair of blank clamping rollers (11).
5. The paper bag machine flat rope outward folding servo pre-cutting device according to claim 1, wherein: the pre-cutting mechanism (3) further comprises a driving wheel (302), a transmission belt (303) and a driven wheel (304), wherein the driving wheel (302) is coaxially sleeved on an output main shaft of the servo motor (301), the driven wheel (304) is coaxially sleeved on a swinging shaft (305), and the transmission belt (303) is simultaneously wound on the driving wheel (302) and the driven wheel (304).
6. The paper bag machine flat rope outward folding servo pre-cutting device according to claim 1, wherein: the bag guiding component comprises a plurality of guiding rollers (2), the guiding rollers (2) are rotatably arranged on the main frame (1) around the shaft, and the blank paper bags (11) are wound on the guiding rollers (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079591.0A CN108943871B (en) | 2018-09-17 | 2018-09-17 | Flat rope outward folding servo pre-cutting device of paper bag machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079591.0A CN108943871B (en) | 2018-09-17 | 2018-09-17 | Flat rope outward folding servo pre-cutting device of paper bag machine |
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| Publication Number | Publication Date |
|---|---|
| CN108943871A CN108943871A (en) | 2018-12-07 |
| CN108943871B true CN108943871B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811079591.0A Active CN108943871B (en) | 2018-09-17 | 2018-09-17 | Flat rope outward folding servo pre-cutting device of paper bag machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500826A (en) * | 2021-08-17 | 2021-10-15 | 温州市鸿瑛机械有限公司 | Machine for sticking flat rope outside paper bag opening |
| CN113771426B (en) * | 2021-09-03 | 2023-06-30 | 上豪包装机械（镇江）有限公司 | Servo local humidifying device of paper bag machine and using method of servo local humidifying device |
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| 互联网+时代纸质包装结构减量化设计探析;杨天明;杨天舒;;大众文艺(第02期);全文 * |
| 送纸机构的研究;齐真, 邓雪莲;现代机械;-;第-卷(第02期);全文 * |
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| CN108943871A (en) | 2018-12-07 |
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