CN220298884U - Bag opening mechanism of toilet paper packaging machine - Google Patents
Bag opening mechanism of toilet paper packaging machine Download PDFInfo
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- CN220298884U CN220298884U CN202323141572.5U CN202323141572U CN220298884U CN 220298884 U CN220298884 U CN 220298884U CN 202323141572 U CN202323141572 U CN 202323141572U CN 220298884 U CN220298884 U CN 220298884U
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 title claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 9
- 238000012840 feeding operation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a bag opening mechanism of a toilet paper packaging machine, which drives a pull rod to horizontally reciprocate at high frequency through a pull bag transmission link mechanism, so as to drive a base to horizontally reciprocate at high frequency under the matching guide of a pull bag guide block and a pull bag horizontal guide rail, thereby realizing high-frequency bag feeding operation; meanwhile, the bag opening mode adopts the opening and closing connecting rod structure to drive the upper mounting seat and the lower mounting seat to move oppositely or move back to back, the whole action process is more stable, and the bag opening of the packaging bag is easier to open and separate the upper packaging sheet and the lower packaging sheet, so that the packaging bag is prevented from being torn due to the fact that the back movement is too fast in instantaneous speed.
Description
Technical Field
The utility model relates to the technical field of packaging machines, in particular to a bag opening mechanism of a toilet paper packaging machine.
Background
When the toilet paper is packed by the packing machine, the packing bag for the toilet paper is usually fed to the packing machine in a flat sheet form by the corresponding conveying member at the front end. At present, toilet paper is generally pushed into a packaging bag with an opened bag opening in the packaging operation of the toilet paper, and when the packaging operation of the toilet paper is carried out, the bag opening of the packaging bag needs to be opened, and the toilet paper is pushed into the packaging bag with the opened bag opening.
At present, a packaging bag with an opened bag opening is sent to a bag filling station of a toilet paper packaging machine, and is usually driven by a synchronous belt, however, in actual operation, a certain distance exists between the bag filling station and the bag opening station, the synchronous belt needs to take a certain time to send the packaging bag, and the requirement of long displacement and high frequency bag sending cannot be met. Under the high-frequency bag feeding requirement, if the two suckers are driven by the air cylinder to open the bag opening, the instantaneous action of the air cylinder is fast, so that the packaging bag is easily torn in the bag opening process, and the bag filling operation of the subsequent toilet paper is affected.
Disclosure of Invention
The utility model aims to solve the problem of providing a bag opening mechanism of a toilet paper packaging machine, which can more stably open the bag opening of a packaging bag and separate an upper packaging sheet layer from a lower packaging sheet layer under the high-frequency bag feeding requirement. The technical scheme adopted is as follows:
a bag opening mechanism of a toilet paper packaging machine comprises a frame, a base, an upper suction head, a lower suction head, a bag opening mechanism for driving the upper suction head and the lower suction head to move in opposite directions or back to back, and a bag pulling mechanism for conveying a packaging bag in the bag opening process; the bag pulling mechanism is arranged on the frame and comprises a bag pulling driving device, a bag pulling transmission connecting rod mechanism, a pull rod, a bag pulling horizontal guide rail and a bag pulling guide block, wherein the bag pulling horizontal guide rail is horizontally arranged, the base is movably arranged on the bag pulling horizontal guide rail through the bag pulling guide block, one end of the pull rod is connected with the base, and the other end of the pull rod is connected with the power output end of the bag pulling driving device through the bag pulling transmission connecting rod mechanism; the bag opening mechanism is arranged on the base, the upper suction head and the lower suction head are respectively connected with the power output end of the bag opening mechanism, and the upper suction head and the lower suction head are oppositely arranged; the method is characterized in that: the bag pulling driving device is a bag pulling servo motor, and the bag pulling transmission link mechanism comprises a bag pulling driving wheel, a bag pulling driving belt, a bag pulling driving driven wheel, a bag pulling transmission swing arm, a bag pulling transmission link and a bag pulling driving swing arm; the bag pulling driving wheel is in transmission connection with an output shaft of the bag pulling servo motor, the bag pulling driving driven wheel is rotatably arranged on the frame, and the bag pulling driving wheel and the bag pulling driving driven wheel tighten a bag pulling driving belt; one end of the bag pulling driving swing arm is in driving connection with the bag pulling driving driven wheel, one end of the bag pulling driving connecting rod is in rotatable connection with the other end of the bag pulling driving swing arm, the other end of the bag pulling driving connecting rod is in transmission connection with the middle part of the bag pulling driving swing arm, one end of the bag pulling driving swing arm is rotatably arranged on the frame, and the other end of the bag pulling driving swing arm is hinged with the other end of the pull rod; the bag opening mechanism comprises a bag opening driving device, an opening and closing transmission mechanism, an opening and closing connecting rod structure, an upper mounting seat and a lower mounting seat; the bag opening driving device is arranged on the frame, and the opening and closing connecting rod structure is arranged on the base and is connected with the power output end of the bag opening driving device through an opening and closing transmission mechanism; the upper suction head is arranged on the upper mounting seat, the lower suction head is arranged on the lower mounting seat, and the upper mounting seat and the lower mounting seat are connected with the opening and closing connecting rod structure.
The bag pulling mechanism is used for conveying the packaging bags with the bag openings opened after bag opening into a bag filling mechanism of the toilet paper packaging machine so as to carry out subsequent bag filling operation; the bag pulling driving device drives the pull rod to horizontally reciprocate at high frequency through the bag pulling transmission connecting rod mechanism, so that the base is driven to horizontally reciprocate at high frequency under the matching guide of the bag pulling guide block and the bag pulling horizontal guide rail, and the high-frequency bag feeding operation is realized.
The upper suction head and the lower suction head are externally connected with negative pressure equipment and are used for being correspondingly adsorbed on an upper packaging sheet and a lower packaging sheet in bags, and the upper suction head and the lower suction head are generally long-strip suction heads.
Above-mentioned bag drive arrangement drives the drive mechanism action that opens and shuts, drives the connecting rod structure that opens and shuts and moves, and then drives mount pad, lower mount pad and carry out opposite direction or back to the motion, makes last suction head and lower suction head opposite direction motion or back to the motion: when the flat sheet-shaped packaging bag reaches between the upper suction head and the lower suction head, the opening and closing connecting rod structure drives the upper suction head and the lower suction head to move in opposite directions at the same time, so that the upper suction head adsorbs an upper packaging sheet of the packaging bag and the lower suction head adsorbs a lower packaging sheet of the packaging bag; after the adsorption is stable, the opening and closing connecting rod structure drives the upper suction head and the lower suction head to simultaneously move back to separate the upper packaging sheet and the lower packaging sheet attached together, so that the bag mouth of the packaging bag is opened.
Because the upper mounting seat and the lower mounting seat are driven to move oppositely or move back by adopting the opening and closing connecting rod structure, the whole action process is more stable, and the bag opening of the packaging bag is opened and the upper and lower two layers of packaging sheets are separated more easily, so that the packaging bag is prevented from being torn due to the fact that the instantaneous speed of back movement is too high.
As a preferable scheme of the utility model, the radius of the bag pulling driving driven wheel is 2-4 times of the radius of the bag pulling driving wheel.
As a further preferable scheme of the utility model, the bag opening driving device comprises a bag opening servo motor, and the opening and closing transmission mechanism comprises a bag opening swing rod, a bag opening connecting rod, an opening and closing lifting plate, an opening and closing lifting guide rail and an opening and closing lifting guide block; one end of the bag opening swing rod is in transmission connection with an output shaft of the bag opening servo motor, the other end of the bag opening swing rod is hinged with the upper end of the bag opening connecting rod, the opening and closing lifting plate is installed on the opening and closing lifting guide rail in a lifting manner through the opening and closing lifting guide block, and the lower end of the opening and closing connecting rod is connected with the opening and closing lifting plate; the bag opening and closing lifting plate is provided with an opening and closing translation guide rail, the lower end of the bag opening and closing connecting rod mechanism is movably arranged on the opening and closing translation guide rail through an opening and closing translation guide block, and the lower end of the bag opening and closing connecting rod mechanism is rotatably connected with the opening and closing translation guide block.
As a further preferable scheme of the utility model, the opening and closing connecting rod structure comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod which are sequentially connected in a linkage way from bottom to top to form a W shape, and an upper swinging rod and a lower swinging rod which are used for correspondingly driving the upper mounting seat and the lower mounting seat to lift; one end of the lower swing rod is hinged with the upper end of the first connecting rod, the lower mounting seat is arranged at the other end of the lower swing rod, and the lower suction head is arranged on the lower mounting seat; one end of the upper swing rod is hinged with the upper end of the fourth connecting rod, the upper mounting seat is arranged at the other end of the upper swing rod, and the upper suction head is arranged on the upper mounting seat.
The bag opening servo motor drives the bag opening swing rod to swing up and down, the bag opening connecting rod drives the opening and closing lifting plate to move up and down along the opening and closing lifting guide rail, so that the lower end of the first connecting rod connected to the opening and closing translation guide block also moves up and down along with the opening and closing lifting guide rail, and then the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod of the whole W shape are driven to expand or contract up and down: when the lower end of the first connecting rod moves downwards, the first connecting rod swings downwards to drive the lower swing rod to swing downwards, and meanwhile, the second connecting rod, the third connecting rod and the fourth connecting rod swing upwards to finally drive the upper swing rod to swing upwards to enable the upper mounting seat and the lower mounting seat to move back to each other, so that the upper suction head and the lower suction head drive the upper packaging sheet and the lower packaging sheet attached together to be separated, and the bag opening of the packaging bag is opened; similarly, when the lower end of the first connecting rod moves upwards, the lower swing rod swings upwards and the upper swing rod swings downwards, so that the upper mounting seat and the lower mounting seat move oppositely, and the upper suction head and the lower suction head move towards the flat sheet-shaped packaging bag.
The lower end of the first connecting rod is preferably connected with the opening and closing translation guide block through a bearing, the guiding effect of the opening and closing translation guide block and the guiding effect of the opening and closing translation guide rail are matched, the connecting structure among the opening and closing translation guide block, the bearing and the first connecting rod has better guiding performance and impact resistance strength in the process of carrying out bag conveying or resetting through base translation, the accuracy and stability of the action of the W-shaped opening and closing connecting rod structure in the expanding or contracting process are ensured, and meanwhile, the opening and closing connecting rod structure has certain sealing performance and can prevent dust and foreign matters.
In order to open the bag opening more easily, as a preferable scheme of the utility model, the bag opening mechanism further comprises a bag rubbing mechanism for enabling the upper suction head and the lower suction head to move in a relative dislocation manner. The bag rubbing mechanism is used for driving the upper suction head and the lower suction head to relatively shift after the upper suction head and the lower suction head are stably adsorbed on the packaging bag, so that the upper packaging sheet and the lower packaging sheet attached together of the packaging bag are relatively shifted, the action of manually rubbing the bag mouth of the packaging bag in a reciprocating way is simulated, the friction force between the upper packaging sheet and the lower packaging sheet attached together of the packaging bag is reduced, and the two packaging sheets of the packaging bag can be separated up and down more easily to open the bag mouth.
As a further preferable scheme of the utility model, the bag rubbing mechanism comprises a bag rubbing swing rod, a bag rubbing driving cylinder, a bag rubbing connecting rod and a bag rubbing rotating shaft; the bag rubbing rotary shaft is rotatably arranged on the upper mounting seat or the lower mounting seat, and the upper suction head or the lower suction head is correspondingly and fixedly arranged on the bag rubbing rotary shaft; one end of the bag rubbing swing rod is rotatably arranged on the base, the other end of the bag rubbing swing rod is hinged with the cylinder body of the bag rubbing driving cylinder, one end of the bag rubbing connecting rod is hinged with the piston rod of the bag rubbing driving cylinder, and the other end of the bag rubbing connecting rod is connected with one end of the bag rubbing rotating shaft. The bag rubbing driving cylinder drives the bag rubbing connecting rod to drive the bag rubbing rotating shaft to do small-amplitude reciprocating rotation, one of the upper suction head or the lower suction head is fixed, and the other is driven by the bag rubbing rotating shaft to do reciprocating swing, so that the action of simulating manual reciprocating rubbing of the bag mouth of the packaging bag is formed. The bag rubbing swing rod is used for driving the air cylinder to swing along with the bag rubbing when the upper mounting seat and the lower mounting seat move in opposite directions or back to back. Of course, under the condition of proper space, the bag rubbing driving cylinder can also be directly arranged on the upper mounting seat or the lower mounting seat.
Compared with the prior art, the utility model has the following advantages:
the bag opening mechanism of the toilet paper packaging machine drives the pull rod to horizontally reciprocate at high frequency through the bag pulling transmission link mechanism, so that the base is driven to horizontally reciprocate at high frequency under the matching guide of the bag pulling guide block and the bag pulling horizontal guide rail, and the high-frequency bag feeding operation is realized; meanwhile, the bag opening mode adopts the opening and closing connecting rod structure to drive the upper mounting seat and the lower mounting seat to move oppositely or move back to back, the whole action process is more stable, and the bag opening of the packaging bag is easier to open and separate the upper packaging sheet and the lower packaging sheet, so that the packaging bag is prevented from being torn due to the fact that the back movement is too fast in instantaneous speed.
Drawings
FIG. 1 is a schematic view of the structure of a preferred embodiment of the present utility model in a pouch mouth unopened condition;
FIG. 2 is a schematic view of the structure of the preferred embodiment of the present utility model in the open state of the mouth;
FIG. 3 is a side view of FIG. 1;
wherein each of the marks is as follows: 1-a base, an A-upper suction head and a B-lower suction head; 2-bag opening mechanism, 21-bag opening driving device (bag opening servo motor), 22-opening and closing transmission mechanism, 221-bag opening swing rod, 222-bag opening connecting rod, 223-opening and closing lifting plate, 2231-opening and closing translation guide rail, 2232-opening and closing translation guide block, 224-opening and closing lifting guide rail, 225-opening and closing lifting guide block, 23-opening and closing connecting rod structure, 231-first connecting rod, 232-second connecting rod, 233-third connecting rod, 234-fourth connecting rod, 235-upper swing rod, 236-lower swing rod, 24-upper mounting seat and 25-lower mounting seat; 3-bag pulling mechanism, 31-bag pulling driving device (bag pulling servo motor), 32-bag pulling transmission link mechanism, 321-bag pulling driving wheel, 322-bag pulling driving belt, 323-bag pulling driving driven wheel, 324-bag pulling transmission swing arm, 325-bag pulling transmission link, 326-bag pulling driving swing arm, 33-pull rod, 34-bag pulling horizontal guide rail and 35-bag pulling guide block; 4-bag rubbing mechanism, 41-bag rubbing swing rod, 42-bag rubbing driving cylinder, 43-bag rubbing connecting rod and 44-bag rubbing rotating shaft.
In the drawings, the frame is omitted so that the connection relationship between the respective members can be more clearly shown.
Detailed Description
The preferred embodiments of the present utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, a bag opening mechanism of a toilet paper packing machine comprises a frame (not shown), a base 1, an upper suction head a, a lower suction head B, a bag opening mechanism 2 for driving the upper suction head a and the lower suction head B to move in opposite directions or back to each other, a bag pulling mechanism 3 for pulling the base 1, and a bag rubbing mechanism 4 for moving the upper suction head a and the lower suction head B in opposite dislocation.
As shown in fig. 1 to 3, the bag opening mechanism 2 includes a bag opening driving device 21, an opening and closing transmission mechanism 22, an opening and closing link structure 23, an upper mount 24 and a lower mount 25; the bag opening driving device 21 comprises a bag opening servo motor, the bag opening driving mechanism 22 comprises a bag opening swing rod 221, a bag opening connecting rod 222, an opening and closing lifting plate 223, an opening and closing lifting guide rail 224 and an opening and closing lifting guide block 225, the bag opening servo motor 21 and the opening and closing lifting guide rail 224 are fixedly arranged on the frame, the opening and closing lifting plate 223 is arranged on the opening and closing lifting guide rail 224 in a lifting manner through the opening and closing lifting guide block 225, one end of the bag opening swing rod 221 is in driving connection with an output shaft of the bag opening servo motor 21, the other end of the bag opening swing rod 221 is hinged with the upper end of the bag opening connecting rod 222, and the lower end of the opening and closing connecting rod is connected with the opening and closing lifting plate 223; the opening and closing connecting rod structure 23 comprises a first connecting rod 231, a second connecting rod 232, a third connecting rod 233 and a fourth connecting rod 234 which are sequentially connected in a linkage manner from bottom to top to form a W shape, and an upper swing rod 235 and a lower swing rod 236 which are used for correspondingly driving the upper mounting seat 24 and the lower mounting seat 25 to lift, an opening and closing translation guide rail 2231 is arranged on the opening and closing lifting plate 223, the lower end of the first connecting rod 231 serving as the lower end of the opening and closing bag connecting rod 222 mechanism is movably arranged on the opening and closing translation guide rail 2231 through an opening and closing translation guide block 2232, the lower end of the first connecting rod 231 is in swinging connection with the opening and closing translation guide block 2232 through a bearing (omitted from the drawing), and the upper ends of the first connecting rod 231 and the fourth connecting rod 234 are rotatably arranged on the base 1; one end of the lower swing rod 236 is hinged with the upper end of the first connecting rod 231, the lower mounting seat 25 is arranged at the other end of the lower swing rod 236, one end of the upper swing rod 235 is hinged with the upper end of the fourth connecting rod 234, and the upper mounting seat 24 is arranged at the other end of the upper swing rod 235; the upper suction head A is arranged on the upper mounting seat 24, the lower suction head B is arranged on the lower mounting seat 25, the upper suction head A and the lower suction head B are oppositely arranged, and the upper suction head A and the lower suction head B are externally connected with negative pressure equipment and are used for being correspondingly adsorbed on an upper packaging sheet and a lower packaging sheet of a bag, and the upper suction head A and the lower suction head B are generally long-strip suction heads.
As shown in fig. 1 to 3, the bag pulling mechanism 3 includes a bag pulling driving device 31, a bag pulling transmission link mechanism 32, a pull rod 33, a bag pulling horizontal guide rail 34, and a bag pulling guide block 35; the bag pulling horizontal guide rail 34 is horizontally arranged on the frame, the base 1 is movably arranged on the bag pulling horizontal guide rail 34 through a bag pulling guide block 35, and one end of the pull rod 33 is connected with the base 1; the bag pulling driving device 31 is a bag pulling servo motor, and the bag pulling servo motor 31 is arranged on the frame; the bag pulling transmission link mechanism 32 comprises a bag pulling driving wheel 321, a bag pulling driving belt 322, a bag pulling driving driven wheel 323, a bag pulling transmission swing arm 324, a bag pulling transmission link 325 and a bag pulling driving swing arm 326; the bag pulling driving wheel 321 is in transmission connection with an output shaft of the bag pulling servo motor 31, the bag pulling driving driven wheel 323 is rotatably arranged on the frame, the bag pulling driving wheel 321 and the bag pulling driving driven wheel 323 stretch the bag pulling driving belt 322, and the radius of the bag pulling driving driven wheel 323 is 2-4 times that of the bag pulling driving wheel 321; one end of the bag pulling driving swing arm 324 is in driving connection with the bag pulling driving driven wheel 323, one end of the bag pulling driving connecting rod 325 is in rotatable connection with the other end of the bag pulling driving swing arm 324, the other end of the bag pulling driving connecting rod 325 is in transmission connection with the middle part of the bag pulling driving swing arm 326, one end of the bag pulling driving swing arm 326 is rotatably arranged on the frame, and the other end of the bag pulling driving swing arm 326 is hinged with the other end of the pull rod 33.
The bag pulling mechanism 3 is used for conveying the packaging bags with the bag openings opened after the bag opening into a bag filling mechanism of the toilet paper packaging machine so as to carry out subsequent bag filling operation; the bag pulling servo motor 31 drives the pull rod 33 to horizontally reciprocate at high frequency through the bag pulling transmission link mechanism 32, and further drives the base 1 to horizontally reciprocate at high frequency under the matching guide of the bag pulling guide block 35 and the bag pulling horizontal guide rail 34, so that high-frequency bag feeding operation is realized.
When a flat sheet-shaped packaging bag reaches between the upper suction head A and the lower suction head B, the bag opening servo motor 21 drives the bag opening swing rod 221 to swing upwards, the bag opening connecting rod 222 drives the opening and closing lifting plate 223 to move upwards along the opening and closing lifting guide rail 224, so that the lower end of the first connecting rod 231 connected to the opening and closing translation guide block 2232 also moves upwards, the whole W-shaped first connecting rod 231, the second connecting rod 232, the third connecting rod 233 and the fourth connecting rod 234 are further driven to shrink up and down, and the upper mounting seat 24 and the lower mounting seat 25 are further driven to move oppositely, so that the upper suction head A and the lower suction head B move oppositely, and the upper suction head A adsorbs an upper packaging sheet of the packaging bag and the lower suction head B adsorbs a lower packaging sheet of the packaging bag; after the adsorption is stable, the bag pulling servo motor 31 drives the pull rod 33 to drive the base 1 to translate along the bag pulling horizontal guide rail 34 through the bag pulling transmission link mechanism 32 so as to carry out bag feeding operation, in the translation process of the base 1, the bag opening servo motor 21 drives the bag opening swing rod 221 to swing downwards, the bag opening and closing lifting plate 223 is driven by the bag opening connecting rod 222 to move downwards along the opening and closing lifting guide rail 224, the lower end of the first connecting rod 231 connected to the opening and closing translation guide block 2232 also moves downwards, the whole W-shaped first connecting rod 231, the second connecting rod 232, the third connecting rod 233 and the fourth connecting rod 234 are driven to be unfolded upwards and downwards, the upper mounting seat 24 and the lower mounting seat 25 are driven to carry out back movement, the upper suction head A and the lower suction head B are driven to move back, and the upper packaging sheet and the lower packaging sheet attached together are separated, and the bag opening of the packaging bag is opened; meanwhile, during the movement of the base 1, the lower end of the first link 231 can also move along the opening and closing translation rail 2231; after the bag feeding operation is completed, the bag pulling servo motor 31 drives the pull rod 33 to drive the base 1 to translate and reset along the bag pulling horizontal guide rail 34 through the bag pulling transmission link mechanism 32 so as to carry out the next bag opening operation and bag feeding operation. Because the opening and closing connecting rod structure 23 is adopted to drive the upper mounting seat 24 and the lower mounting seat 25 to move oppositely or move back, the whole action process is more stable, and the bag mouth of the packaging bag is opened and the upper and lower two layers of packaging sheets are separated more easily, so that the packaging bag is prevented from being torn due to the fact that the instantaneous speed of back movement is too high.
As shown in fig. 1 to 3, the bag rubbing mechanism 4 includes a bag rubbing swing lever 41, a bag rubbing driving cylinder 42, a bag rubbing connecting rod 43, and a bag rubbing rotating shaft 44; in the present embodiment, the bag rubbing rotary shaft 44 is rotatably disposed on the upper mounting base 24, and the upper suction head a is correspondingly fixedly mounted on the bag rubbing rotary shaft 44; one end of a bag rubbing swing rod 41 is rotatably arranged on the base 1, the other end of the bag rubbing swing rod 41 is hinged with a cylinder body of a bag rubbing driving cylinder 42, one end of a bag rubbing connecting rod 43 is hinged with a piston rod of the bag rubbing driving cylinder 42, and the other end of the bag rubbing connecting rod 43 is connected with one end of a bag rubbing rotating shaft 44. In this embodiment, the lower suction head B is fixed, the upper suction head a swings reciprocally under the driving of the bag rubbing rotation shaft 44, so as to simulate the manual reciprocating rubbing of the bag mouth of the packaging bag, reduce the friction force between the upper and lower packaging sheets attached together, and enable the two packaging sheets of the packaging bag to be separated vertically and opened more easily. The bag rubbing swing rod 41 is used for the bag rubbing driving air cylinder 42 to swing along with the movement of the upper mounting seat 24 and the lower mounting seat 25 in the opposite direction or the opposite direction. Of course, the bag-driving cylinder 42 may be directly mounted on the upper mount 24 or the lower mount 25 under the condition that the space is proper.
In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. A bag opening mechanism of a toilet paper packaging machine comprises a frame, a base, an upper suction head, a lower suction head, a bag opening mechanism for driving the upper suction head and the lower suction head to move in opposite directions or back to back, and a bag pulling mechanism for conveying a packaging bag in the bag opening process; the bag pulling mechanism is arranged on the frame and comprises a bag pulling driving device, a bag pulling transmission connecting rod mechanism, a pull rod, a bag pulling horizontal guide rail and a bag pulling guide block, wherein the bag pulling horizontal guide rail is horizontally arranged, the base is movably arranged on the bag pulling horizontal guide rail through the bag pulling guide block, one end of the pull rod is connected with the base, and the other end of the pull rod is connected with the power output end of the bag pulling driving device through the bag pulling transmission connecting rod mechanism; the bag opening mechanism is arranged on the base, the upper suction head and the lower suction head are respectively connected with the power output end of the bag opening mechanism, and the upper suction head and the lower suction head are oppositely arranged; the method is characterized in that: the bag pulling driving device is a bag pulling servo motor, and the bag pulling transmission link mechanism comprises a bag pulling driving wheel, a bag pulling driving belt, a bag pulling driving driven wheel, a bag pulling transmission swing arm, a bag pulling transmission link and a bag pulling driving swing arm; the bag pulling driving wheel is in transmission connection with an output shaft of the bag pulling servo motor, the bag pulling driving driven wheel is rotatably arranged on the frame, and the bag pulling driving wheel and the bag pulling driving driven wheel tighten a bag pulling driving belt; one end of the bag pulling driving swing arm is in driving connection with the bag pulling driving driven wheel, one end of the bag pulling driving connecting rod is in rotatable connection with the other end of the bag pulling driving swing arm, the other end of the bag pulling driving connecting rod is in transmission connection with the middle part of the bag pulling driving swing arm, one end of the bag pulling driving swing arm is rotatably arranged on the frame, and the other end of the bag pulling driving swing arm is hinged with the other end of the pull rod; the bag opening mechanism comprises a bag opening driving device, an opening and closing transmission mechanism, an opening and closing connecting rod structure, an upper mounting seat and a lower mounting seat; the bag opening driving device is arranged on the frame, and the opening and closing connecting rod structure is arranged on the base and is connected with the power output end of the bag opening driving device through an opening and closing transmission mechanism; the upper suction head is arranged on the upper mounting seat, the lower suction head is arranged on the lower mounting seat, and the upper mounting seat and the lower mounting seat are connected with the opening and closing connecting rod structure.
2. The opening mechanism of a pouch of a toilet paper packaging machine as claimed in claim 1, wherein: the radius of the bag pulling driving driven wheel is 2-4 times of the radius of the bag pulling driving wheel.
3. The opening mechanism of a pouch of a toilet paper packaging machine as claimed in claim 2, wherein: the bag opening driving device comprises a bag opening servo motor, and the opening and closing transmission mechanism comprises a bag opening swing rod, a bag opening connecting rod, an opening and closing lifting plate, an opening and closing lifting guide rail and an opening and closing lifting guide block; one end of the bag opening swing rod is in transmission connection with an output shaft of the bag opening servo motor, the other end of the bag opening swing rod is hinged with the upper end of the bag opening connecting rod, the opening and closing lifting plate is installed on the opening and closing lifting guide rail in a lifting manner through the opening and closing lifting guide block, and the lower end of the opening and closing connecting rod is connected with the opening and closing lifting plate; the bag opening and closing lifting plate is provided with an opening and closing translation guide rail, the lower end of the bag opening and closing connecting rod mechanism is movably arranged on the opening and closing translation guide rail through an opening and closing translation guide block, and the lower end of the bag opening and closing connecting rod mechanism is rotatably connected with the opening and closing translation guide block.
4. A pocket opening mechanism of a toilet paper packing machine as claimed in claim 3, wherein: the opening and closing connecting rod structure comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod which are sequentially connected in a linkage way from bottom to top to form a W shape, and an upper swing rod and a lower swing rod which are used for correspondingly driving the upper mounting seat and the lower mounting seat to lift; one end of the lower swing rod is hinged with the upper end of the first connecting rod, the lower mounting seat is arranged at the other end of the lower swing rod, and the lower suction head is arranged on the lower mounting seat; one end of the upper swing rod is hinged with the upper end of the fourth connecting rod, the upper mounting seat is arranged at the other end of the upper swing rod, and the upper suction head is arranged on the upper mounting seat.
5. The bag opening mechanism of a toilet paper packing machine as claimed in any one of claims 1 to 4, wherein: the bag opening mechanism also comprises a bag rubbing mechanism for enabling the upper suction head and the lower suction head to move in a relative dislocation manner.
6. The opening mechanism of a pouch of a toilet paper packaging machine as claimed in claim 5, wherein: the bag rubbing mechanism comprises a bag rubbing swing rod, a bag rubbing driving cylinder, a bag rubbing connecting rod and a bag rubbing rotating shaft; the bag rubbing rotary shaft is rotatably arranged on the upper mounting seat or the lower mounting seat, and the upper suction head or the lower suction head is correspondingly and fixedly arranged on the bag rubbing rotary shaft; one end of the bag rubbing swing rod is rotatably arranged on the base, the other end of the bag rubbing swing rod is hinged with the cylinder body of the bag rubbing driving cylinder, one end of the bag rubbing connecting rod is hinged with the piston rod of the bag rubbing driving cylinder, and the other end of the bag rubbing connecting rod is connected with one end of the bag rubbing rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323141572.5U CN220298884U (en) | 2023-11-21 | 2023-11-21 | Bag opening mechanism of toilet paper packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323141572.5U CN220298884U (en) | 2023-11-21 | 2023-11-21 | Bag opening mechanism of toilet paper packaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220298884U true CN220298884U (en) | 2024-01-05 |
Family
ID=89353554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323141572.5U Active CN220298884U (en) | 2023-11-21 | 2023-11-21 | Bag opening mechanism of toilet paper packaging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220298884U (en) |
-
2023
- 2023-11-21 CN CN202323141572.5U patent/CN220298884U/en active Active
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Address after: 515000 Workshop on the first floor of Building 15, Piaohe Factory, Judeng Industrial Zone, Tuozhong Road, Tuojiang Street, Jinping District, Shantou City, Guangdong Province (self-commitment declaration) Patentee after: Guangdong Haopu Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 515000 first floor, No. 31, Jintai North 1st lane, Jintai street, Xinjin street, Longhu District, Shantou City, Guangdong Province Patentee before: Shantou Haopu Intelligent Equipment Co.,Ltd. Country or region before: China |
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