CN112660904B - Paper towel folding machine - Google Patents
Paper towel folding machine Download PDFInfo
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- CN112660904B CN112660904B CN202011510415.5A CN202011510415A CN112660904B CN 112660904 B CN112660904 B CN 112660904B CN 202011510415 A CN202011510415 A CN 202011510415A CN 112660904 B CN112660904 B CN 112660904B
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Abstract
The invention relates to the technical field of folding of paper towels. The utility model discloses a paper handkerchief folder, the test platform comprises a support, be equipped with drop feed mechanism, guiding mechanism, folding mechanism and receiving agencies in proper order from a left side to the right side on the frame, guiding mechanism includes two stands of rigid coupling on the frame, be equipped with horizontal piece between two stands and be used for the set-square to the fifty percent discount formation crease in advance of paper handkerchief, and horizontal piece is located the top of set-square, be equipped with the flattening unit that is used for the paper handkerchief both sides flattening to fifty percent discount formation crease in advance on the horizontal piece, the set-square sets up towards folding mechanism direction. The scheme mainly solves the problem that the prior paper towel folding machine can generate wrinkles before folding the paper towel, so that the folded paper towel is continuously kept with wrinkles.
Description
Technical Field
The invention relates to the technical field of tissue folding.
Background
The paper towel is a daily necessity, and comprises chlorine, bleaching powder, alcohol, wood pulp and renewable resources; the tissue is various in types, including tissue, roll paper, etc., wherein the tissue is popular among people due to its convenience in use.
At present, the paper extraction needs to be folded, and is mainly realized by a paper towel folding machine; in the actual operation process, the fold can appear before current paper handkerchief folder is folded the paper handkerchief for paper handkerchief after folding continues to remain there is the fold, and the staff need screen it out, has increased staff's work load.
Disclosure of Invention
The invention aims to provide a paper towel folding machine to solve the problem that the folded paper towel is continuously provided with folds because the folds can be generated before the paper towel is folded by the existing paper towel folding machine.
In order to achieve the above object, the basic scheme of the invention is as follows: the utility model provides a paper handkerchief folder, includes the frame, be equipped with drop feed mechanism, guiding mechanism, folding mechanism and receiving agencies in proper order from a left side to the right side on the frame, guiding mechanism includes two stands of rigid coupling on the frame, is equipped with horizontal piece between two stands and is used for the set-square of fifty percent discount formation crease in advance to the paper handkerchief, and horizontal piece is located the top of set-square, be equipped with the flattening unit that is used for the paper handkerchief both sides flattening to fifty percent discount formation crease in advance on the horizontal piece, the set-square sets up towards the folding mechanism direction.
The advantages of the basic scheme are: in the scheme, the paper towels sequentially pass through the feeding structure, the guide mechanism, the folding mechanism and the material receiving mechanism, and during moving of the paper towels, the paper towels can be subjected to pre-folding treatment through the triangular plate, so that creases are formed in the middle of the paper towels; the pre-folded paper towel moves towards the folding mechanism, the side wall of the pre-folded paper towel is flattened through a flattening unit, the folding mechanism is used for realizing the folding of the paper towel, and finally the folded paper towel is output through a material receiving mechanism; compared with the prior art, the scheme has the advantages that the side wall of the paper towel which is pre-folded is leveled through the leveling unit, so that the phenomenon that the paper towel is folded before and after folding is avoided, and the flatness of the paper towel is ensured; meanwhile, the workload of screening out the wrinkled paper towels by workers is reduced, and the labor intensity of the workers is reduced.
Further, the leveling unit comprises bottom blocks which are symmetrically and fixedly connected to the transverse blocks by taking a triangular plate as a center, a round shaft is rotatably connected to the bottom blocks, vertical grooves are formed in the side walls of the round shaft, vertical blocks are slidably connected in the vertical grooves, and leveling rods which are used for abutting against the tissues are arranged on the vertical blocks; the locking device also comprises a positioning part for locking the circular shaft and a locking part for locking the vertical block.
Through above-mentioned setting, need adjust the position of flattening pole in vertical direction to the paper handkerchief of great size, specifically be: vertical piece vertical removal in vertical inslot, and then drive the synchronous vertical removal of flattening pole, when the flattening pole can offset with the paper handkerchief lateral wall after the fifty percent discount in advance completely, realize the locking to vertical piece through the locking part, and then realize the locking to the flattening pole.
The angle of leveling rod needs to be adjusted to paper handkerchief of different thickness specifically is: rotating the circular shaft, wherein the circular shaft drives the leveling rods to synchronously rotate, namely, the two leveling rods move oppositely or in opposite directions; when the flattening rod is abutted against the side wall of the folded napkin, the positioning of the circular shaft is realized through the positioning part. Therefore, through the height adjustment and the angle adjustment of the leveling rod, the tissue side wall of the leveling rod after being folded in advance is ensured to be subjected to complete leveling treatment.
Further, the stopping part comprises a cavity arranged in the circular shaft and a first threaded rod which is in threaded connection with the top of the circular shaft and extends into the cavity, an annular groove is formed in the first threaded rod, and an annular block is rotationally connected in the annular groove; the cavity is communicated with the vertical groove, and the ring block is fixedly connected with the vertical block.
Through the arrangement, the first threaded rod is rotated to move downwards, the ring block is rotationally connected with the annular groove, the vertical block slides in the vertical groove, and the vertical block is fixedly connected with the ring block, so that the first threaded rod can drive the vertical block to slide downwards in the vertical groove through the ring block, and the vertical block drives the leveling rod to move downwards; when the leveling rod can completely abut against the side wall of the pre-folded paper towel, the first threaded rod stops rotating; because threaded connection structure has the auto-lock nature, consequently realizes the location to first threaded rod, and then realizes the location to ring piece and vertical piece, realizes the location to the levelling rod promptly.
Furthermore, a side plate is arranged on the circular shaft, and a first guide wheel is rotatably connected to the side plate; the vertical block is rotatably connected with a second guide wheel; the leveling rod is fixedly connected with an outer pipe, an inner pipe is connected in the outer pipe in a sliding mode, a first spring is arranged between the inner pipe and the outer pipe, and the leveling rod is connected with the inner pipe in a sliding mode; the outer pipe is provided with a string for pulling the inner pipe to move transversely, and the free end of the string bypasses the first guide wheel and the second guide wheel to be fixedly connected with the inner pipe.
Through the arrangement, in the process that the leveling rod moves downwards, the leveling rod pulls the right end of the thin rope to move downwards through the outer pipe, the thin rope is guided through the first guide wheel and the second guide wheel, the inner pipe is pulled by the left end of the thin rope to move towards the direction of the first threaded rod, and the first spring is stretched; therefore, the string can play a role in guiding the vertical movement of the leveling rod; moreover, the flattening rod can be supported by the outer tube, the inner tube, the first guide wheel, the second guide wheel and the string, so that the stability of the flattening rod for flattening the paper towels is improved; in addition, when the leveling rod moves downwards, the larger the transverse length of the inner tube extending out of the outer tube is, the larger the sum of the transverse length of the inner tube and the transverse length of the outer tube is, namely, the supporting length of the leveling rod is prolonged, and the supporting effect of the leveling rod is enhanced.
Furthermore, an arc-shaped plate used for abutting against the circular shaft is connected to the leveling rod in a sliding mode and located between the vertical block and the inner pipe; the width of arc is greater than the width of vertical groove, be equipped with the second spring between arc and the inner tube.
Through the arrangement, when the inner pipe moves towards the direction of the first threaded rod, the inner pipe drives the arc-shaped plate and the second spring to move towards the direction of the first threaded rod, so that the arc-shaped plate is abutted against the circular shaft and the vertical block, and the positioning effect on the leveling rod is further enhanced; the arc-shaped plate continues to move towards the direction of the first threaded rod, so that the second spring is compressed; the effort that the second spring compression produced transmits for the arc is higher with the laminating degree of circle axle, has further strengthened the location effect to the flattening rod.
Furthermore, be equipped with the linkage piece that passes vertical piece on the arc, the free end of linkage piece is equipped with in stretching into the cavity and is used for the rubber layer that offsets with first threaded rod.
Through the arrangement, during the movement of the inner pipe towards the direction of the first threaded rod, the inner pipe drives the linkage block to move towards the direction of the first threaded rod through the arc-shaped plate and the second spring; when the arc-shaped plate abuts against the circular shaft and the vertical block, the rubber layer abuts against the first threaded rod, and therefore the positioning stability of the first threaded rod is improved; in addition, the rubber layer can increase the friction force, and further improve the stability of positioning the first threaded rod; when the second spring compresses, the acting force generated by the compression of the second spring is transmitted to the linkage block through the arc-shaped plate, so that the extrusion rubber layer of the linkage block is abutted against the first threaded rod, the rubber layer deforms at the moment, the fitting degree of the rubber layer and the first threaded rod is higher, and the stability of positioning the first threaded rod is further improved once again.
Furthermore, the positioning part comprises a second threaded rod in threaded connection with the transverse block and an auxiliary chamber arranged in the transverse block, and a rack extending into the auxiliary chamber is rotatably connected to the second threaded rod; two the bottom of circle axle all stretches into in the auxiliary chamber, the circle axle rotates with horizontal piece to be connected, and the epaxial gear that is equipped with rack toothing of circle, the rotation opposite direction of two gears.
Through the arrangement, the second threaded rod is rotated, the second threaded rod drives the rack to move, the rack is simultaneously meshed with the two gears, the two gears are simultaneously rotated, and then the two rotating shafts are simultaneously rotated, namely the two leveling rods move oppositely or move in opposite directions; when the flattening rod abuts against the side wall of the pre-folded paper towel, the second threaded rod stops rotating; the threaded connection structure has self-locking property, so that the second threaded rod is positioned, the gear and the round shaft are further positioned, and the leveling rod is positioned; the angle of the leveling rod can be adjusted by adopting the mode.
Furthermore, the folding mechanism comprises a first motor and a fixed roller which are fixedly connected to the base, and a rotating roller which is matched with the fixed roller to fold the paper towels is arranged on an output shaft of the first motor.
Through the arrangement, the output shaft of the first motor drives the rotating roller to rotate, the paper towels subjected to pre-doubling-up treatment move between the fixed roller and the rotating roller, and the folding treatment of the paper towels is realized through the matching of the fixed roller and the rotating roller.
Drawings
FIG. 1 is a top view of an embodiment of a tissue folder of the present invention;
FIG. 2 is a partial sectional view of the circular shaft of FIG. 1 in a front elevation;
fig. 3 is a partial cross-sectional view of the transverse block of fig. 1 in a top view.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a base 1, a stand column 2, a transverse block 3, a triangular plate 4, a bottom block 5, a circular shaft 6, a vertical block 7, a leveling rod 8, a cavity 9, a first threaded rod 10, a ring block 11, a side plate 12, a first guide wheel 13, a second guide wheel 14, an outer pipe 15, an inner pipe 16, a first spring 17, a string 18, an arc plate 19, a second spring 20, a linkage block 21, a rubber layer 22, a second threaded rod 23, an auxiliary chamber 24, a rack 25, a gear 26, a fixed roller 27, a rotating roller 28, a discharging roller 29, a tensioning roller 30, a first receiving roller 31 and a second receiving roller 32.
Examples
Substantially as shown in figures 1, 2 and 3: the utility model provides a paper handkerchief folder, including frame 1, drop feed mechanism has set gradually from a left side to the right side on the frame 1, guiding mechanism, folding mechanism and receiving agencies, guiding mechanism includes two stands 2 of rigid coupling on frame 1, the rigid coupling has horizontal piece 3 and is used for forming the set-square 4 of crease to the paper handkerchief fifty percent discount in advance between two stands 2, and horizontal piece 3 is located the top of set-square 4, be provided with the flattening unit that is used for forming the paper handkerchief both sides flattening of crease to the fifty percent discount in advance on the horizontal piece 3, set-square 4 sets up towards the folding mechanism direction.
The leveling unit comprises a bottom block 5 which is symmetrically and fixedly connected to the transverse block 3 by taking the triangular plate 4 as a center, a round shaft 6 is rotatably connected to the bottom block 5, a vertical groove is formed in the side wall of the round shaft 6, a vertical block 7 is slidably connected in the vertical groove, and a leveling rod 8 which is used for abutting against a paper towel is fixedly connected to the vertical block 7; and the positioning part is used for stopping the round shaft 6, and the stopping part is used for stopping the vertical block 7.
The stopping part comprises a cavity 9 arranged in the round shaft 6 and a first threaded rod 10 which is in threaded connection with the top of the round shaft 6 and extends into the cavity 9, a ring groove is arranged on the first threaded rod 10, and a ring block 11 is rotationally connected in the ring groove; the chamber 9 is communicated with the vertical groove, and the ring block 11 is fixedly connected with the vertical block 7. A side plate 12 is fixedly connected to the round shaft 6, and a first guide wheel 13 is rotatably connected to the side plate 12; a second guide wheel 14 is rotatably connected to the vertical block 7; an outer pipe 15 is fixedly connected to the leveling rod 8, an inner pipe 16 is connected in the outer pipe 15 in a sliding mode, a first spring 17 is fixedly connected between the inner pipe 16 and the outer pipe 15, and the leveling rod 8 is connected with the inner pipe 16 in a sliding mode; the outer tube 15 is fixedly connected with a string 18 for pulling the inner tube 16 to move transversely, and the free end of the string 18 bypasses the first guide wheel 13 and the second guide wheel 14 to be fixedly connected with the inner tube 16.
The leveling rod 8 is connected with an arc-shaped plate 19 in a sliding manner, wherein the arc-shaped plate 19 is used for abutting against the round shaft 6, and the arc-shaped plate 19 is positioned between the vertical block 7 and the inner pipe 16; the width of the arc plate 19 is larger than that of the vertical groove, and a second spring 20 is fixedly connected between the arc plate 19 and the inner pipe 16. A linkage block 21 penetrating through the vertical block 7 is fixedly connected to the arc-shaped plate 19, and a rubber layer 22 used for abutting against the first threaded rod 10 is bonded to the free end of the linkage block 21 extending into the cavity 9.
The positioning part comprises a second threaded rod 23 in threaded connection with the transverse block 3 and an auxiliary chamber 24 arranged in the transverse block 3, and a rack 25 extending into the auxiliary chamber 24 is rotatably connected to the second threaded rod 23; the bottoms of the two circular shafts 6 extend into the auxiliary chamber 24, the circular shafts 6 are rotatably connected with the transverse block 3, the circular shafts 6 are fixedly connected with gears 26 meshed with the racks 25, and the rotating directions of the two gears 26 are opposite.
The folding mechanism comprises a first motor and a fixed roller 27 which are fixedly connected on the machine base 1, and a rotating roller 28 which is matched with the fixed roller 27 to fold the paper towel is fixedly connected on an output shaft of the motor. The discharging mechanism comprises a discharging roller 29 and a plurality of tensioning rollers 30 which are rotatably connected to the machine base 1; the material receiving mechanism comprises a second motor and a third motor which are fixedly connected on the base 1, a first material receiving roller 31 is fixedly connected on an output shaft of the second motor, a second material receiving roller 32 is fixedly connected on an output shaft of the third motor, and the rotating directions of the first material receiving pipe and the second material receiving roller 32 are opposite; the set square 4 is obliquely inclined upwards from left to right, and the right end of the set square 4 faces to the position between the first material receiving roller 31 and the second material receiving roller 32.
The specific implementation process is as follows:
when the device is used, the paper towel is fixed on the discharging roller 29, the free end of the paper towel sequentially bypasses the tensioning rollers 30, and then sequentially passes through the triangular plate 4, the space between the fixed roller 27 and the rotating roller 28, and the space between the first material receiving roller 31 and the second material receiving roller 32; starting a first motor, a second motor and a third motor, wherein an output shaft of the first motor drives the rotating roller 28 to rotate, an output shaft of the second motor drives the first material receiving roller 31 to rotate, and an output shaft of the third motor drives the second material receiving roller 32 to rotate; the paper towel can be pre-folded by the triangular plate 4, so that a crease is formed in the middle of the paper towel; the pre-doubled paper towel moves between the fixed roller 27 and the rotating roller 28, the folding of the paper towel is realized through the cooperation of the fixed roller 27 and the rotating roller 28, the folded paper towel moves between the first material receiving roller 31 and the second material receiving roller 32, the folded paper towel is driven to move out through the rotation of the first material receiving roller 31 and the second material receiving roller 32, and the rotation of the first material receiving roller 31 and the second material receiving roller 32 is also used as power for moving the paper towel from left to right.
Before the paper towel is folded, the two leveling rods 8 are adjusted to abut against the two sides of the pre-folded paper towel, so that when the paper towel moves towards the directions of the fixed roller 27 and the rotating roller 28, the paper towel can be leveled through the two leveling rods 8, and therefore the paper towel is prevented from being folded before and after being folded, and the flatness of the paper towel is guaranteed; meanwhile, the workload of screening out the wrinkled paper towels by workers is reduced, and the labor intensity of the workers is reduced.
The position of the leveling rod 8 in the vertical direction needs to be adjusted for a larger size paper towel, specifically: the first threaded rod 10 is rotated to move downwards, the ring block 11 is rotationally connected with the ring groove, the vertical block 7 slides in the vertical groove, and the vertical block 7 is fixedly connected with the ring block 11, so that the first threaded rod 10 can drive the vertical block 7 to slide downwards in the vertical groove through the ring block 11, and the vertical block 7 drives the leveling rod 8 to move downwards; when the leveling rod 8 can completely abut against the side wall of the paper towel which is folded in advance, the first threaded rod 10 stops rotating; due to the fact that the threaded connection structure has self-locking performance, the first threaded rod 10 is located, and then the ring block 11 and the vertical block 7 are located, namely the leveling rod 8 is located.
In the process that the leveling rod 8 moves downwards, the leveling rod 8 pulls the right end of the thin rope 18 to move downwards through the outer pipe 15, the thin rope 18 is guided through the first guide wheel 13 and the second guide wheel 14, the left end of the thin rope 18 pulls the inner pipe 16 to move towards the first threaded rod 10, and the first spring 17 is stretched; thus, the string 18 can guide the vertical movement of the levelling rod 8; moreover, the flattening rod 8 can be supported by the outer tube 15, the inner tube 16, the first guide wheel 13, the second guide wheel 14 and the string 18, so that the stability of the flattening rod 8 in flattening paper towels is improved; in addition, when the leveling rod 8 moves downwards, the larger the transverse length of the inner tube 16 extending out of the outer tube 15 is, so that the sum of the transverse length of the inner tube 16 and the transverse length of the outer tube 15 is larger, that is, the supporting length of the leveling rod 8 is prolonged, and the supporting effect of the leveling rod 8 is enhanced.
During the movement of the inner tube 16 towards the direction of the first threaded rod 10, the inner tube 16 drives the arc-shaped plate 19 and the second spring 20 to move towards the direction of the first threaded rod 10, so that the arc-shaped plate 19 is abutted against the circular shaft 6 and the vertical block 7, and the positioning effect on the leveling rod 8 is further enhanced; the curved plate 19 continues to move in the direction of the first threaded rod 10, causing the second spring 20 to compress; the acting force generated by the compression of the second spring 20 is transmitted to the arc-shaped plate 19, so that the attaching degree of the arc-shaped plate 19 and the circular shaft 6 is higher, and the positioning effect on the leveling rod 8 is further enhanced.
During the movement of the inner tube 16 towards the first threaded rod 10, the inner tube 16 drives the linkage block 21 to move towards the first threaded rod 10 through the arc-shaped plate 19 and the second spring 20; when the arc-shaped plate 19 abuts against the circular shaft 6 and the vertical block 7, the rubber layer 22 abuts against the first threaded rod 10, and therefore the positioning stability of the first threaded rod 10 is improved; furthermore, the rubber layer 22 can increase the friction force, thereby further improving the stability of positioning the first threaded rod 10; when the second spring 20 is compressed, the acting force generated by the compression of the second spring 20 is transmitted to the linkage block 21 through the arc-shaped plate 19, so that the linkage block 21 extrudes the rubber layer 22 to be abutted against the first threaded rod 10, and the rubber layer 22 deforms at the moment, so that the fitting degree of the rubber layer 22 and the first threaded rod 10 is higher, and the positioning stability of the first threaded rod 10 is further improved.
The angle of leveling rod 8 needs to be adjusted to the paper handkerchief of different thickness for leveling rod 8 offsets with the paper handkerchief, specifically is: the second threaded rod 23 is rotated, the second threaded rod 23 drives the rack 25 to move, the rack 25 is simultaneously meshed with the two gears 26, so that the two gears 26 rotate simultaneously, and the two rotating shafts rotate simultaneously, namely, the two leveling rods 8 move oppositely or move in opposite directions; when the flattening rod 8 abuts against the side wall of the pre-folded paper towel, the second threaded rod 23 stops rotating; the threaded connection structure has self-locking property, so that the second threaded rod 23 is positioned, and further the gear 26 and the round shaft 6 are positioned, namely the leveling rod 8 is positioned; the angle of the leveling rod 8 can be adjusted by adopting the mode.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and/or features of the schemes is not described herein in excess. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several variations and modifications can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. A paper handkerchief folder, includes the frame, its characterized in that: the paper towel folding machine is characterized in that a feeding mechanism, a guide mechanism, a folding mechanism and a receiving mechanism are sequentially arranged on the machine base from left to right, the guide mechanism comprises two stand columns fixedly connected to the machine base, a transverse block and a triangular plate used for folding paper towels in advance to form creases are arranged between the two stand columns, the transverse block is located above the triangular plate, leveling units used for leveling two sides of the paper towels which are folded in advance to form the creases are arranged on the transverse block, and the triangular plate is arranged towards the direction of the folding mechanism; the leveling unit comprises bottom blocks which are symmetrically and fixedly connected on the transverse blocks by taking a triangular plate as a center, a round shaft is rotatably connected onto the bottom blocks, a vertical groove is formed in the side wall of the round shaft, a vertical block is slidably connected into the vertical groove, and a leveling rod for abutting against a tissue is arranged on the vertical block; the locking device comprises a circular shaft, a positioning part and a locking part, wherein the positioning part is used for locking the circular shaft, the locking part is used for locking the vertical block, the locking part comprises a side plate arranged on the circular shaft, and a first guide wheel is rotatably connected to the side plate; the vertical block is rotatably connected with a second guide wheel; the leveling rod is fixedly connected with an outer pipe, an inner pipe is connected in the outer pipe in a sliding mode, a first spring is arranged between the inner pipe and the outer pipe, and the leveling rod is connected with the inner pipe in a sliding mode; the outer pipe is provided with a string for pulling the inner pipe to move transversely, and the free end of the string bypasses the first guide wheel and the second guide wheel to be fixedly connected with the inner pipe.
2. The tissue folder of claim 1 wherein: the stopping part also comprises a cavity arranged in the circular shaft and a first threaded rod which is in threaded connection with the top of the circular shaft and extends into the cavity, the first threaded rod is provided with an annular groove, and an annular block is rotationally connected in the annular groove; the chamber is communicated with the vertical groove, and the ring block is fixedly connected with the vertical block.
3. The tissue folder of claim 2 wherein: the leveling rod is connected with an arc-shaped plate which is used for abutting against the circular shaft in a sliding mode, and the arc-shaped plate is located between the vertical block and the inner pipe; the width of arc is greater than the width of vertical groove, be equipped with the second spring between arc and the inner tube.
4. The tissue folder of claim 3 wherein: the arc-shaped plate is provided with a linkage block penetrating through the vertical block, and the free end of the linkage block extends into the cavity and is provided with a rubber layer which is used for abutting against the first threaded rod.
5. The tissue folder of claim 4 wherein: the positioning part comprises a second threaded rod in threaded connection with the transverse block and an auxiliary chamber arranged in the transverse block, and a rack extending into the auxiliary chamber is rotatably connected to the second threaded rod; two the bottom of circle axle all stretches into in the auxiliary chamber, the circle axle rotates with horizontal piece to be connected, and the epaxial gear that is equipped with rack toothing of circle, the rotation opposite direction of two gears.
6. The tissue folder of claim 5 wherein: the folding mechanism comprises a first motor and a fixed roller which are fixedly connected to the machine base, and a rotating roller which is matched with the fixed roller to fold the paper towels is arranged on an output shaft of the first motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510415.5A CN112660904B (en) | 2020-12-18 | 2020-12-18 | Paper towel folding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510415.5A CN112660904B (en) | 2020-12-18 | 2020-12-18 | Paper towel folding machine |
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| Publication Number | Publication Date |
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| CN112660904A CN112660904A (en) | 2021-04-16 |
| CN112660904B true CN112660904B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011510415.5A Active CN112660904B (en) | 2020-12-18 | 2020-12-18 | Paper towel folding machine |
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| Country | Link |
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| CN (1) | CN112660904B (en) |
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| CN111169750A (en) * | 2020-01-10 | 2020-05-19 | 朱金宝 | Facial mask folding and compressing device |
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| CN112660904A (en) | 2021-04-16 |
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