Discharging mechanism for packaging bag roll cutting

Abstract

The utility model discloses a packaging bag roll cutting discharging mechanism which comprises a machine box and a cutting mechanism and further comprises a guide plate fixedly arranged in an inner cavity of the machine box. The lower end of the shifting frame is rotationally installed in an inner cavity of the machine box through a first rotating shaft and is driven by an actuating element to swing, the upper end of the shifting frame can swing between the guide plate and the cutting mechanism, the rotating shaft is relatively close to the guide plate, the upper end of the shifting frame ascends when approaching the guide plate, otherwise, the shifting frame descends, and the shifting frame comprises a shifting rod which is fixedly connected to the rotating shaft through a plurality of vertical rods; in daily use, by means of the technical scheme, the actuating element acts to control the rotating shaft to rotate in a reciprocating mode, all the vertical rods drive the shifting rod to swing between the cutting mechanism and the guide plate in a reciprocating mode, and the drooping end of a packaging bag extending out of the cutting mechanism is shifted and pushed to the guide plate. And the cut packaging bags can be conveniently discharged and stacked.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packaging bag manufacturing, specifically relates to a discharging mechanism for packaging bag roll cutting. BACKGROUND

[0002] In the production of packaging bags, cutting equipment is needed to cut the packaging bag roll to obtain single packaging bags. The cutting equipment usually includes a unwinding mechanism, a guiding mechanism, a cutting mechanism and a feeding mechanism. The packaging bag blank in roll form is unwound from the unwinding mechanism, guided by the guiding mechanism, and fed into the cutting mechanism by the feeding mechanism for cutting. The obtained single packaging bag is discharged out of the cutting equipment, but under the action of gravity, the outer end of the single packaging bag will fall, which is not conducive to the stacking of the discharged material. SUMMARY

[0003] The utility model aims at solving one of the technical problems existing in the prior art.

[0004] The application provides a discharging mechanism for packaging bag roll cutting, which comprises a machine box and a cutting mechanism, and further comprises:

[0005] A guide plate is fixedly arranged in the inner cavity of the machine box;

[0006] A push bracket is rotatably installed at the lower end of the machine box through a rotating shaft, and is driven to swing by an actuating element. The upper end of the push bracket can swing between the guide plate and the cutting mechanism;

[0007] Wherein, the rotating shaft is relatively close to the guide plate, and the upper end of the push bracket rises when it is close to the guide plate, and vice versa.

[0008] The push bracket comprises:

[0009] A push rod is fixedly connected to the rotating shaft through a plurality of vertical rods;

[0010] A rubber sleeve is sleeved on the surface of the push rod.

[0011] The material of the rubber sleeve is silica gel or rubber.

[0012] The actuating element comprises:

[0013] A cylinder is erected in the inner cavity of the machine box through a cross beam, and a pull rod is hingedly connected to the piston end of the cylinder;

[0014] A pair of connecting blocks are installed on the rotating shaft through a pair of screws, and are hingedly connected to the other end of the pull rod.

[0015] Further comprising:

[0016] A pressing plate is controlled by a lifting actuating element, and is installed in the inner cavity of the machine box in a lifting manner, located above the guide plate;

[0017] A plurality of elastic elements are installed on the pressing plate in a spaced manner.

[0018] The elastic member comprises:

[0019] The floating rod is movably arranged in the pressing plate through the vertical hole, and the lower end is provided with a stop plate, and the upper end is provided with a blocking plate;

[0020] The spring is sleeved on the outer circumferential side of the floating rod, and the top end and the bottom end are respectively abutted with the bottom surface of the pressing plate and the top surface of the blocking plate.

[0021] The lifting actuating member comprises:

[0022] The pair of lifting rods are vertically slidably arranged at the two ends of the guide plate, and the upper ends are respectively fixedly connected with the adjacent end portions of the pressing plate;

[0023] The pair of swing rods are rotatably connected with the inner side walls of the box through the hinge shaft at one end, and are connected with the adjacent lifting rods at the other end through the connecting arms;

[0024] The actuator is used for controlling the swing of the pair of swing rods around the hinge shaft.

[0025] The actuator comprises:

[0026] The driving shaft is rotatably arranged in the inner cavity of the box and is driven by the motor;

[0027] The disc is eccentrically arranged on the driving shaft, and the outer ring is rotatably sleeved with the rotating ring;

[0028] The connecting hole is arranged on the rotating ring, and the connecting rod is rotatably arranged in the connecting hole;

[0029] The two ends of the connecting rod are respectively fixedly connected with the opposite side walls of the pair of swing arms.

[0030] The beneficial effects of the utility model are as follows:

[0031] 1. By arranging the guide plate, the pusher, the rotating shaft, the air cylinder, the pair of connecting blocks and the pull rod, the packaging bag is lifted and pushed to the guide plate at one end of the cutting mechanism, and the packaging bag is conveniently discharged and stacked.

[0032] 2. By arranging the pressing plate, the plurality of elastic members, the pair of lifting rods, the driving shaft, the disc, the rotating ring, the connecting hole and the connecting rod, when the pusher lifts and pushes the packaging bag to the guide plate at one end of the cutting mechanism, the end of the packaging bag is pressed on the guide plate, and the pusher swings towards the cutting mechanism, so that the packaging bag is prevented from being taken back, and the stability of the packaging bag discharge is improved. BRIEF DESCRIPTION OF DRAWINGS

[0033] Fig. 1 It is a discharge mechanism structure diagram (when the top end of the pusher is close to the guide plate) for cutting the packaging bag roll in the embodiment of the application;

[0034] Fig. 2Figure 1 is a structural diagram of the discharging mechanism for cutting a packaging bag roll according to an embodiment of the present application (when the top end of the discharging mechanism is close to the cutting mechanism).

[0035] Reference signs

[0036] 1 - case, 2 - cutting mechanism, 3 - guide plate, 4 - discharging mechanism, 41 - discharging rod, 42 - vertical rod, 43 - rubber sleeve, 5 - rotating shaft, 6 - actuating element, 61 - air cylinder, 62 - pull rod, 63 - connecting block, 7 - pressing plate, 8 - lifting actuator, 81 - lifting rod, 82 - swing rod, 83 - connecting arm, 84 - actuator, 841 - drive shaft, 842 - disc, 843 - connecting hole, 844 - connecting rod. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0038] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally of a kind and are not limited in number. For example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the front and rear associated objects are in an "or" relationship.

[0039] The discharging mechanism for cutting a packaging bag roll provided by the embodiments of the present application will be described in detail below in combination with the drawings and specific embodiments and application scenarios.

[0040] Embodiment 1

[0041] As shown in Figs. 1-2 The present application provides a discharging mechanism for cutting a packaging bag roll, which comprises a case 1 and a cutting mechanism 2, and further comprises a guide plate 3 fixedly arranged in the inner cavity of the case 1; a discharging mechanism 4, the lower end of which is rotatably installed in the inner cavity of the case 1 through a rotating shaft 5, and is driven to swing through an actuating element 6, and the upper end of the discharging mechanism 4 can swing between the guide plate 3 and the cutting mechanism 2, the rotating shaft 5 is relatively close to the guide plate 3, and the upper end of the discharging mechanism 4 rises when it is close to the guide plate 3, and vice versa.

[0042] Further, the pushing rod 41 is fixed on the rotating shaft 5 through a plurality of vertical rods 42, and a rubber sleeve 43 is sleeved on the surface of the pushing rod 41.

[0043] Preferably, the rubber sleeve 43 is made of silica gel or rubber.

[0044] Further, the actuating element 6 comprises a cylinder 61 which is arranged in the inner cavity of the cabinet 1 through a cross beam, and a pulling rod 62 is hingedly connected to the piston end of the cylinder 61; a pair of connecting blocks 63 are installed on the rotating shaft 5 through a pair of screws and are hingedly connected to the other end of the pulling rod 62.

[0045] In this embodiment, since the above structure is adopted, the external feeding mechanism transports the packaging bag blank through the cutting mechanism 2, the piston end of the cylinder 61 is extended, the pair of connecting blocks 63 and the rotating shaft 5 are rotated around the axis of the rotating shaft 5 through the pulling rod 62, and the vertical rods 42 and the pushing rod 41 also move synchronously, the pushing rod 41 lifts the lower end of the packaging bag blank, and moves the packaging bag blank to the surface of the guide plate 3, and then the external feeding mechanism continues to operate to make the end of the packaging bag blank extend to the top surface of the guide plate 3, and then the cylinder 61 reverses, the piston rod is retracted, the pair of connecting blocks 63, the rotating shaft 5, the vertical rods 42 and the pushing rod 41 are reversed around the axis of the rotating shaft 5 through the pulling rod 62, and the pushing rod 41 approaches the initial position of the cutting mechanism 2, after the cutting mechanism 2 cuts the packaging bag blank, the external feeding mechanism continues to operate to push the packaging bag blank out of the guide plate 3, and the feeding is completed, and at the same time, the end of the packaging bag blank extends into the guide plate 3 and the cutting mechanism 2 again and is lowered, and the pushing rod 41 is moved again through the reciprocating operation of the cylinder 61.

[0046] Since the rubber sleeve 43 made of silica gel or rubber is sleeved on the surface of the pushing rod 41, the noise generated when the pushing rod 41 collides with the guide plate 3 can be reduced.

[0047] Embodiment 2:

[0048] As shown in the drawings, Figs. 1-2 In this embodiment, in addition to the structural features of the foregoing embodiments, a pressing plate 7 is controlled by a lifting actuating element 8 and can be installed in the inner cavity of the cabinet 1 and located above the guide plate 3, and a plurality of elastic elements 9 are installed on the pressing plate 7 at intervals.

[0049] Further, the elastic element 9 comprises a floating rod 91 which is movably arranged in a vertical hole of the pressing plate 7, a stop plate 92 is arranged at the lower end of the floating rod 91, and a baffle 93 is arranged at the upper end of the floating rod 91; a spring 94 is sleeved on the outer circumferential side of the floating rod 91, and the top end and the bottom end of the spring 94 are in abutment with the bottom surface of the pressing plate 7 and the top surface of the baffle 93, respectively.

[0050] Further, the lifting actuator 8 comprises a pair of lifting rods 81 vertically sliding through the guide plates 3 at both ends, and the upper end of each lifting rod 81 is fixedly connected with the adjacent end of the pressing plate 7; a pair of swing rods 82, one end of each swing rod 82 is rotatably connected with the inner side wall of the box 1 through a hinge shaft, and the other end of each swing rod 82 is connected with the lower end of the adjacent lifting rod 81 through a connecting arm 83; and an actuator 84 for controlling the swing of the pair of swing rods 82 around the hinge shaft.

[0051] Further, the actuator 84 comprises a driving shaft 841 rotatably installed in the inner cavity of the box 1 and driven by a motor, a disc 842 eccentrically fixed on the driving shaft 841, a rotating ring rotatably sleeved on the outer ring of the disc 842, a connecting hole 843 provided on the rotating ring, and a connecting rod 844 rotatably installed in the connecting hole 843 and fixedly connected with the opposite side walls of the pair of swing arms at both ends.

[0052] In this embodiment of the present application, when the pushing rod 41 pushes the packaging bag blank onto the guide plate 3, the motor operates, the driving shaft 841 drives the disc 842 to rotate, the rotating ring descends, the connecting rod 844 pushes the pair of swing rods 82 to swing downward around the corresponding hinge shaft, the pair of swing rods 82 pulls the pair of lifting rods 81 and the pressing plate 7 to descend, each stop plate 92 presses and fixes the end of the packaging bag blank on the top surface of the guide plate 3, and each spring 94 is compressed to store elastic potential energy. After the pushing rod 41 is reset, the motor reverses, the driving shaft 841 and the disc reverse, the rotating ring ascends, the connecting rod 844 pushes the pair of swing rods 82 to swing upward around the corresponding hinge shaft, the pair of swing rods 82 pulls the pair of lifting rods 81 and the pressing plate 7 to ascend, each stop plate 92 ascends to press and fix the end of the packaging bag blank on the top surface of the guide plate 3, and each spring 94 releases the elastic potential energy, and the bottom surface of the baffle 93 abuts against the top surface of the pressing plate 7.

[0053] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that comprise a list of elements are not limited to those elements, but can also include other elements not expressly listed, or inherent to such processes, methods, articles, or apparatuses. Without further limitation, an element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be pointed out that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0054] The embodiments of the present application are described above with reference to the accompanying drawings, but the present application is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative, but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims.

Claims

1. A dispensing mechanism for cutting a roll of packaging bags, comprising a housing (1) and a cutting mechanism (2), characterized in that, Also include: The guide plate (3) is fixed in the inner cavity of the cabinet (1); The dial holder (4) is rotatably mounted in the inner cavity of the cabinet (1) through the rotating shaft (5), and is driven to swing through the actuating element (6), and the upper end can swing between the guide plate (3) and the cutting mechanism (2); Wherein, the rotating shaft (5) is relatively close to the guide plate (3), the upper end of the dial holder (4) is close to the guide plate (3), otherwise it is lowered.

2. The dispensing mechanism for a roll of packaging bags according to claim 1, wherein The dial holder (4) comprises: The dial rod (41) is fixed on the rotating shaft (5) through a plurality of vertical rods (42); The rubber sleeve (43) is sleeved on the surface of the dial rod (41).

3. The discharging mechanism for cutting packaging bag roll according to claim 2, wherein: The material of the rubber sleeve (43) is silica gel or rubber.

4. The dispensing mechanism for a roll of packaging bags according to claim 1, wherein The actuating element (6) comprises: The air cylinder (61) is erected in the inner cavity of the cabinet (1) through the cross beam, and the piston end is hinged with the pull rod (62); A pair of connecting blocks (63) are installed on the rotating shaft (5) through a pair of screws, and the other end of the pull rod (62) is hinged.

5. The dispensing mechanism for a roll of packaging bags according to claim 1, wherein, Also include: The pressing plate (7) is controlled by the lifting actuating element (8) and can be installed in the inner cavity of the cabinet (1) and located above the guide plate (3); A plurality of elastic elements (9) are installed on the pressing plate (7) at intervals.

6. The dispensing mechanism for a roll of packaging bags according to claim 5, wherein, The elastic element (9) comprises: The floating rod (91) is movably arranged on the pressing plate (7) through the vertical hole, the lower end is provided with the abutting plate (92), and the upper end is provided with the baffle (93); The spring (94) is sleeved on the outer circumferential side of the floating rod (91), and the top end and the bottom end are respectively abutted with the bottom surface of the pressing plate (7) and the top surface of the baffle (93).

7. The dispensing mechanism for a roll of packaging bags according to claim 5, wherein The lifting actuating element (8) comprises: A pair of lifting rods (81) are vertically slidably arranged at both ends of the guide plate (3), and the upper ends are respectively fixed to the adjacent end portions of the pressing plate (7); A pair of swing rods (82) are rotatably connected to the inner side wall of the cabinet (1) through the hinge shaft at one end, and are connected to each other through the connecting arm (83) between the other end and the adjacent lower end of the lifting rod (81); The actuator (84) is used for controlling the swing of the pair of swing rods (82) around the hinge shaft.

8. The dispensing mechanism for a roll of packaging bags according to claim 7, wherein, The actuator (84) comprises: The drive shaft (841) is rotatably mounted in the inner cavity of the cabinet (1) through the motor drive; The disc (842) is eccentrically fixed on the drive shaft (841), and the outer ring is rotatably sleeved with the rotating ring; The connecting hole (843) is provided on the rotating ring, and the connecting rod (844) is rotatably installed in the connecting hole (843); Wherein, the connecting rod (844) is fixed to the opposite side walls of the pair of swing arms at both ends.

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