CN210657462U - Automatic bag mouth rolling device - Google Patents
Automatic bag mouth rolling device Download PDFInfo
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- CN210657462U CN210657462U CN201921337516.XU CN201921337516U CN210657462U CN 210657462 U CN210657462 U CN 210657462U CN 201921337516 U CN201921337516 U CN 201921337516U CN 210657462 U CN210657462 U CN 210657462U
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Abstract
The utility model discloses an automatic bag opening rolling device which is arranged on a frame, wherein the frame comprises a table top for bearing bag pieces, the frame comprises a conveying device and a curling device, the conveying device is arranged on the frame, and the conveying device is used for pressing the bag pieces on the table top and acting to drive the bag pieces to move on the table top; the hemming device is arranged on the frame and is provided with a hemming channel, and the hemming device is used for abutting against one end part of the bag sheet when the bag sheet is driven to move, guiding the end part to be folded to enter the hemming channel, so that the end part moves along the hemming channel and is hemmed. The utility model discloses can roll up the tip of bag piece automatically, need not manual operation, degree of automation is high, practices thrift the cost of labor, productivity gain can also be with the tip batching three-layer of bag piece, improve the firmness of sack.
Description
Technical Field
The utility model relates to an automatic roll up sack device.
Background
Pockets are ubiquitous in garments and pants, and are formed by sewing a flap to the garment, and are often folded over at their mouth because they are susceptible to cracking if they are a single layer of fabric. At present, the roll up sack mainly relies on the roll up sack device to accomplish, and the roll up sack device rolls up a tip of the bag piece of pocket, then sends to sewing machine head department and sews up, and current roll up sack device degree of automation is low, rolls up the sack and needs artifical supplementary operation, and the cost of labor is high to current roll up sack device can only be folded the sack into two-layer, and sack department is firm inadequately still.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide an automatic roll up sack device, it can be rolled up the tip of bag piece automatically, need not manual operation, and degree of automation is high, practices thrift the cost of labor, and productivity gain can also be with the tip batching three-layer of bag piece, improves the firmness of sack.
In order to solve the technical problem, the technical scheme of the utility model is that: an automatic bag mouth rolling device is arranged on a rack, the rack comprises a table top for bearing bag sheets, and the automatic bag mouth rolling device comprises:
the conveying device is arranged on the rack and used for pressing the bag sheet on the table top and acting to drive the bag sheet to move on the table top;
and the curling device is arranged on the frame and is provided with a curling channel, and the curling device is used for abutting against one end part of the bag sheet when the bag sheet is driven to move and guiding the end part to be folded to enter the curling channel so that the end part moves along the curling channel and is curled.
Further provides a concrete scheme of the conveying device, the conveying device comprises a conveying seat, a first conveying mechanism, a second conveying mechanism and a power mechanism, wherein,
the conveying seat is connected to the rack;
the first conveying mechanism and the second conveying mechanism are both arranged on the conveying seat and are both used for pressing the bag sheets on the table top;
the second conveying mechanism is positioned behind the first conveying mechanism in the direction perpendicular to the conveying direction;
the power mechanism is connected with the first conveying mechanism;
the second conveying mechanism is connected with the first conveying mechanism, so that the power mechanism drives the first conveying mechanism to act, and further drives the second conveying mechanism to act.
Further provides a specific scheme of the first conveying mechanism and the second conveying mechanism, the first conveying mechanism comprises a first driving wheel, a first driven wheel, a first conveying belt and a plurality of first pinch rollers, wherein,
the first driving wheel, the first driven wheel and the first pinch roller are all rotationally connected to the conveying seat;
the first conveying belt is connected to the first driving wheel and the first driven wheel and abuts against the bag sheet on the table top;
the first pressing wheels are sequentially distributed between the first driving wheel and the first driven wheel and are abutted against the first conveying belt, so that the first conveying belt presses the bag sheets on the table top;
the second conveying mechanism comprises a second driving wheel, a second driven wheel, a second conveying belt and a plurality of second pinch rollers, wherein,
the second driving wheel, the second driven wheel and the second pinch roller are all rotatably connected to the conveying seat;
the second conveying belt is connected to the second driving wheel and the second driven wheel and abuts against the bag sheet on the table top;
the second pinch rollers are sequentially distributed between the second driving wheel and the second driven wheel and abut against the second conveying belt, so that the second conveying belt compresses the bag sheets on the table top.
Further provides a concrete scheme of the power mechanism, and the power mechanism comprises:
the motor is connected to the rack;
the connecting lug is connected to the motor and provided with a convex part;
the connecting concave block is connected to the first driving wheel, and a groove matched with the protruding portion is formed in the connecting concave block, so that the motor drives the connecting convex block to rotate and drives the connecting concave block and the first driving wheel to rotate.
Further, in order to enable the conveying device to press the bag sheets on the table top, the automatic bag opening rolling device further comprises a pressing device, the pressing device comprises a plurality of pressing mechanisms, each pressing mechanism comprises a pressing sheet, a pressing rod and a locking nut, wherein,
the conveying device is arranged on the rack in a sliding manner;
one end part of the pressing sheet is hinged on the rack;
the other end of the pressing sheet is abutted against the conveying device;
the pressing rod is in threaded connection with the rack and abuts against the pressing sheet so as to drive the pressing sheet to press the conveying device on the table top by screwing the pressing rod;
the locking nut is in threaded connection with the pressure rod and used for screwing the locking nut to a position which is abutted against the rack to lock the pressure rod when the pressure rod is screwed to a proper position.
Further provides a concrete scheme of the curling device, the curling device comprises a first curling mechanism and a second curling mechanism which are arranged in sequence along the conveying direction of the conveying device, wherein,
the first crimping mechanism is arranged on the frame and is used for abutting against one end part of the bag sheet so as to guide the end part to be folded downwards;
the second curling mechanism is arranged on the frame and is provided with a curling channel, and the second curling mechanism is used for abutting against the end part which is turned downwards and guiding the end part to be turned continuously and enter the curling channel so as to move along the curling channel and curl the end part.
Further, a specific structure of the first hemming mechanism is provided, wherein the first hemming mechanism comprises a folding plate connected to the frame, and the folding plate is provided with an inclined part used for abutting against one end part of the driven and moved bag sheet and guiding the end part to be folded downwards.
There is further provided a concrete structure of the second hemming mechanism including a hemming plate mounted on the frame, the hemming plate being provided with a hemming channel and an inclined arrangement guide portion, wherein,
the crimping passage comprises a first side passage and a second side passage communicated with the first side passage;
the guiding part is used for abutting against the downward folded end part of the bag piece and guiding the end part to be continuously folded so as to enter the first side channel and the second side channel;
the cross-section of the first side channel and the second side channel becomes gradually smaller in the conveying direction of the conveying device.
Further, the second hemming mechanism further comprises a baffle connected to the hemming plate, and the baffle is used for abutting against the bag sheet to prevent the end part of the bag sheet from exiting the first side channel.
Furthermore, the rack is also provided with a positioning block which is used for abutting against the bag sheet so as to limit the position of the bag sheet in the direction vertical to the moving direction of the bag sheet.
After the technical scheme is adopted, the conveying device presses the bag sheet on the table top and drives the bag sheet to move, and in the process of moving the bag sheet, the inclined part of the turnover plate is abutted against one end part of the bag sheet and guides the end part to turn downwards; then the guiding part of the hemming plate is abutted against the downward folded end part of the bag sheet and guides the end part to be continuously folded to enter the first side channel and the second side channel; the ends of the sheet are then gradually constricted in the first and second side channels to complete the hem, which is then sewn by a sewing head located at the outlet of the first and second side channels. Whole process need not manual operation, has improved degree of automation, has practiced thrift the cost of labor, has improved productivity ratio to with the tip batching of bag piece three-layer, improved the firmness of sack.
Drawings
Fig. 1 is a schematic structural view of the front side of the automatic bag opening rolling device of the present invention;
fig. 2 is a schematic structural view of the back of the automatic bag opening rolling device of the present invention;
fig. 3 is a schematic structural view of a first hemming mechanism of the present invention;
fig. 4 is a schematic structural view of a second curling mechanism of the present invention;
FIG. 5 is a schematic structural view of the hemming plate of the present invention;
fig. 6 is a top view of the hemming plate of the present invention;
3 fig. 3 7 3 is 3 a 3 sectional 3 view 3 a 3- 3 a 3 of 3 fig. 3 6 3. 3
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 7, an automatic bag opening rolling device is mounted on a rack 1, the rack 1 includes a table top 3 for carrying a bag sheet 2, and the automatic bag opening rolling device includes:
the conveying device is arranged on the rack 1 and is used for pressing the bag sheet 2 on the table top 3 and acting to drive the bag sheet 2 to move on the table top 3;
and the curling device is arranged on the frame 1 and is provided with a curling channel, and the curling device is used for abutting against one end part of the bag sheet 2 and guiding the end part to be folded to enter the curling channel when the bag sheet 2 is driven to move so that the end part moves along the curling channel and is curled.
As shown in fig. 1 to 4, the conveying device includes, for example and without limitation, a conveying base 4, a first conveying mechanism 100, a second conveying mechanism 200, and a power mechanism, wherein,
the conveying seat 4 is connected to the rack 1;
the first conveying mechanism 100 and the second conveying mechanism 200 are both arranged on the conveying seat 4 and are both used for pressing the bag sheets 2 on the table top 3;
the second conveying mechanism 200 is located behind the first conveying mechanism 100 in a direction perpendicular to the conveying direction;
the power mechanism is connected with the first conveying mechanism 100;
the second conveying mechanism 200 is connected to the first conveying mechanism 100, so that the power mechanism drives the first conveying mechanism 100 to move, and further drives the second conveying mechanism 200 to move, so as to drive the pressed bag pieces 2 to move on the table top 3, specifically, a sewing machine head is arranged at the tail end of the first conveying mechanism 100, and the sewing machine head is used for sewing the bag pieces 2 which are subjected to edge curling, and therefore, in the direction perpendicular to the conveying direction, the second conveying mechanism 200 is arranged behind the first conveying mechanism 100 to avoid the sewing machine head.
As shown in fig. 1 to 4, the first conveying mechanism 100 includes, for example but not limited to, a first driving wheel 5, a first driven wheel 6, a first conveying belt 7 and a plurality of first pinch rollers 8, wherein,
the first driving wheel 5, the first driven wheel 6 and the first pinch roller 8 are all rotationally connected to the conveying seat 4;
the first conveying belt 7 is connected to the first driving wheel 5 and the first driven wheel 6 and is abutted to the bag sheet 2 on the table top 3;
the first pinch rollers 8 are sequentially distributed between the first driving wheel 5 and the first driven wheel 6 and are abutted against the first conveying belt 7, so that the first conveying belt 7 is pressed against the bag sheets 2 on the table top 3;
the second conveying mechanism 200 is, for example and without limitation, a structure including a second driving wheel, a second driven wheel 9, a second conveying belt 10 and a plurality of second pinch rollers 11, wherein,
the second driving wheel, the second driven wheel 9 and the second pinch roller 11 are all rotationally connected to the conveying seat 4;
the second conveying belt 10 is connected to the second driving wheel and the second driven wheel 9 and is abutted to the bag sheet 2 on the table top 3;
the second pressing wheels 11 are sequentially distributed between the second driving wheel and the second driven wheel 9 and are abutted against the second conveying belt 10, so that the second conveying belt 10 presses the bag sheets 2 on the table top 3; in this embodiment, the power mechanism is connected to the first driving wheel 5, the first driven wheel 6 is connected to the second driving wheel, the first driving wheel 5, the first driven wheel 6, the second driving wheel and the second driven wheel 9 may be synchronous pulleys, and the first conveying belt 7 and the second conveying belt 10 may be synchronous belts.
As shown in fig. 1 to 4, the power mechanism includes, for example but not limited to, the following structures:
a motor 12 connected to the frame 1;
a connecting lug 13 connected to the motor 12, wherein a convex part 14 is arranged on the connecting lug 13;
the connecting concave block 15 is connected to the first driving wheel 5, and a groove 16 matched with the protruding portion 14 is formed in the connecting concave block 15, so that the motor 12 drives the connecting convex block 13 to rotate and drives the connecting concave block 15 and the first driving wheel 5 to rotate.
As shown in fig. 1 and 2, the automatic bag mouth rolling device further comprises a pressing device, the pressing device comprises a plurality of pressing mechanisms, the pressing mechanisms can comprise pressing sheets 17, pressing rods 18 and locking nuts 19, wherein,
the conveying device is arranged on the rack 1 in a sliding manner;
one end of the pressing sheet 17 is hinged on the frame 1;
the other end of the pressing sheet 17 abuts against the conveying device;
the pressing rod 18 is screwed on the frame 1 and abuts against the pressing sheet 17, so that the pressing rod 18 is screwed to drive the pressing sheet 17 to press the conveying device on the table top 3;
the locking nut 19 is in threaded connection with the pressure lever 18 and is used for screwing the locking nut 19 to a position which is abutted against the rack 1 to lock the pressure lever 18 when the pressure lever 18 is screwed to a proper position; in this embodiment, the conveying seat 4 is slidably fitted on the frame 1 in the vertical direction, and two pressing mechanisms are provided.
As shown in fig. 1 to 4, the curling device is, for example and without limitation, a structure including a first curling mechanism and a second curling mechanism arranged in sequence along a conveying direction of the conveying device, wherein,
the first crimping mechanism is arranged on the frame 1 and is used for abutting against one end part of the bag sheet 2 so as to guide the end part to be folded downwards;
the second curling mechanism is arranged on the frame 1 and is provided with a curling channel, and the second curling mechanism is used for abutting against the end which is turned downwards and guiding the end to be turned continuously and enter the curling channel so that the end moves along the curling channel and is curled.
As shown in fig. 2 and 3, the first crimping mechanism includes, for example, but not limited to, a flap 20 connected to the frame 1, and the flap 20 is provided with an inclined portion 21 for abutting against and guiding an end portion of the driven and moved bag sheet 2 to be folded downward.
As shown in fig. 2 to 7, the second hemming mechanism is, for example and without limitation, a structure including a hemming plate 22 mounted on the frame 1, the hemming plate 22 being provided with a hemming channel and an inclined arrangement guide portion 23, wherein,
the crimping passage comprises a first side passage 24 and a second side passage 25 communicating with the first side passage 24;
the guiding part 23 is used for abutting against the downward folded end part of the bag piece 2 and guiding the end part to be continuously folded to enter the first side channel 24 and the second side channel 25;
the first side passage 24 and the second side passage 25 are tapered in cross section in the conveying direction of the conveying device so that the ends of the sheets 2 are gradually contracted and hemmed in the first side passage 24 and the second side passage 25, and finally folded into a three-layer structure as shown in fig. 7.
As shown in fig. 3-5, the second crimping mechanism may further include a stop plate 26 connected to the crimping plate 22, the stop plate 26 being adapted to abut the sheet 2 to prevent the end of the sheet 2 from exiting the first side channel 24.
As shown in fig. 1 and 2, the frame 1 is further provided with a positioning block 27 for abutting against the bag piece 2 to limit the position of the bag piece 2 in a direction perpendicular to the moving direction of the bag piece 2.
The working principle of the utility model is as follows:
the conveying device presses the bag sheet 2 on the table top 3 and drives the bag sheet 2 to move, and in the moving process of the bag sheet 2, the inclined part 21 of the turnover plate 20 is abutted against one end part of the bag sheet 2 and guides the end part to be turned downwards; the guide 23 of the hem plate 22 then abuts the folded-down end of the sheet 2 and guides this end to continue to fold into the first and second hem channels 24, 25; the ends of the sheet 2 are then gradually constricted in the first side passage 24 and the second side passage 25 to complete the hems, which are then sewn by the sewing machine head at the outlet of the first side passage 24 and the second side passage 25. Whole process need not manual operation, has improved degree of automation, has practiced thrift the cost of labor, has improved productivity ratio to with the tip batching of bag piece three-layer, improved the firmness of sack.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. The utility model provides an automatic roll up sack device, it is installed in frame (1), frame (1) is including desktop (3) that are used for bearing bag piece (2), its characterized in that, and it includes:
the conveying device is arranged on the rack (1) and used for pressing the bag sheet (2) on the table top (3) and acting to drive the bag sheet (2) to move on the table top (3);
and the curling device is arranged on the frame (1) and is provided with a curling channel, and the curling device is used for abutting against one end part of the bag sheet (2) and guiding the end part to be folded to enter the curling channel when the bag sheet (2) is driven to move so that the end part moves along the curling channel and is curled.
2. An automatic bag opening device according to claim 1, wherein said conveying device comprises a conveying base (4), a first conveying mechanism (100), a second conveying mechanism (200) and a power mechanism, wherein,
the conveying seat (4) is connected to the rack (1);
the first conveying mechanism (100) and the second conveying mechanism (200) are both arranged on the conveying seat (4) and are both used for pressing the bag sheets (2) on the table top (3);
the second conveying mechanism (200) is positioned behind the first conveying mechanism (100) in a direction perpendicular to the conveying direction;
the power mechanism is connected with the first conveying mechanism (100);
the second conveying mechanism (200) is connected with the first conveying mechanism (100), so that the power mechanism drives the first conveying mechanism (100) to act, and further drives the second conveying mechanism (200) to act.
3. The automatic bag opening device according to claim 2,
the first conveying mechanism (100) comprises a first driving wheel (5), a first driven wheel (6), a first conveying belt (7) and a plurality of first pressing wheels (8),
the first driving wheel (5), the first driven wheel (6) and the first pinch roller (8) are all rotationally connected to the conveying seat (4);
the first conveying belt (7) is connected to the first driving wheel (5) and the first driven wheel (6) and is abutted against the bag sheet (2) on the table top (3);
the first pressing wheels (8) are sequentially distributed between the first driving wheel (5) and the first driven wheel (6) and abut against the first conveying belt (7), so that the first conveying belt (7) presses the bag sheets (2) on the table top (3);
the second conveying mechanism (200) comprises a second driving wheel, a second driven wheel (9), a second conveying belt (10) and a plurality of second pinch rollers (11), wherein,
the second driving wheel, the second driven wheel (9) and the second pinch roller (11) are all rotationally connected to the conveying seat (4);
the second conveying belt (10) is connected to the second driving wheel and the second driven wheel (9) and is abutted to the bag sheet (2) on the table top (3);
the second pressing wheels (11) are sequentially distributed between the second driving wheel and the second driven wheel (9) and abut against the second conveying belt (10), so that the second conveying belt (10) presses the bag sheets (2) on the table top (3).
4. An automatic bag opening device according to claim 3, wherein said power mechanism comprises:
a motor (12) connected to the frame (1);
the connecting lug (13) is connected to the motor (12), and a protruding part (14) is arranged on the connecting lug (13);
connect in connect concave (15) on first action wheel (5), be equipped with on connecting concave (15) with recess (16) of bellying (14) adaptation, so that motor (12) drive connect the lug (13) rotatory and drive connect concave (15) and first action wheel (5) rotatory.
5. An automatic bag mouth rolling device according to claim 1, further comprising a pressing device, said pressing device comprises a plurality of pressing mechanisms, said pressing mechanisms comprise a pressing sheet (17), a pressing rod (18) and a locking nut (19), wherein,
the conveying device is arranged on the rack (1) in a sliding manner;
one end part of the pressing sheet (17) is hinged on the rack (1);
the other end of the pressing sheet (17) is abutted against the conveying device;
the pressing rod (18) is in threaded connection with the rack (1) and abuts against the pressing sheet (17), so that the pressing rod (18) is screwed to drive the pressing sheet (17) to press the conveying device on the table top (3);
the locking nut (19) is in threaded connection with the pressure lever (18) and is used for screwing the locking nut (19) to a position which is abutted against the rack (1) to lock the pressure lever (18) when the pressure lever (18) is screwed to a proper position.
6. An automatic bag opening device according to claim 1, wherein said curling means comprises a first curling mechanism and a second curling mechanism which are arranged in sequence along a conveying direction of said conveying means, wherein,
the first crimping mechanism is arranged on the frame (1) and is used for abutting against one end part of the bag sheet (2) so as to guide the end part to be turned downwards;
the second curling mechanism is arranged on the frame (1) and is provided with a curling channel, and the second curling mechanism is used for abutting against the end which is turned downwards and guiding the end to be turned continuously and enter the curling channel so as to move along the curling channel and curl the end.
7. Automatic bag mouth rolling device according to claim 6, characterized in that said first crimping means comprise a flap (20) connected to said frame (1), said flap (20) being provided with an inclined portion (21) for abutting and guiding an end portion of the sheet (2) driven in movement downwards.
8. Automatic pocket-wrapping device according to claim 6, characterized in that said second crimping means comprise a crimping plate (22) mounted on said frame (1), said crimping plate (22) being provided with a crimping channel and with an obliquely arranged guide (23), wherein,
the crimping passage comprises a first side passage (24) and a second side passage (25) communicated with the first side passage (24);
the guiding part (23) is used for abutting against the downward folded end part of the bag sheet (2) and guiding the end part to be continuously folded to enter the first side channel (24) and the second side channel (25);
the cross-sections of the first side channel (24) and the second side channel (25) become smaller in the transport direction of the transport device.
9. An automatic bag mouth crimping device according to claim 8, characterized in that said second crimping mechanism further comprises a flap (26) connected to said crimping plate (22), said flap (26) being adapted to abut against said sheet (2) to prevent the end of said sheet (2) from exiting said first side channel (24).
10. An automatic bag mouth rolling device according to claim 1, characterized in that a positioning block (27) for abutting against the bag sheet (2) to limit the position of the bag sheet (2) in a direction perpendicular to the moving direction of the bag sheet (2) is further provided on the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921337516.XU CN210657462U (en) | 2019-08-16 | 2019-08-16 | Automatic bag mouth rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921337516.XU CN210657462U (en) | 2019-08-16 | 2019-08-16 | Automatic bag mouth rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210657462U true CN210657462U (en) | 2020-06-02 |
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ID=70837117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921337516.XU Active CN210657462U (en) | 2019-08-16 | 2019-08-16 | Automatic bag mouth rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210657462U (en) |
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2019
- 2019-08-16 CN CN201921337516.XU patent/CN210657462U/en active Active
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