CN219237471U

CN219237471U - Cam corner inserting mechanism for packaging machine

Info

Publication number: CN219237471U
Application number: CN202320204215.XU
Authority: CN
Inventors: 樊广森; 何伟锋
Original assignee: Guangdong Taichuan Intelligent Equipment Co ltd
Current assignee: Guangdong Taichuan Intelligent Equipment Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-23
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a cam corner inserting mechanism for a packaging machine, which is arranged in the packaging machine, wherein a frame, a driving mechanism, a transmission mechanism and an end sealing mechanism are arranged on the packaging machine, the driving mechanism is in transmission connection with the end sealing mechanism through the transmission mechanism, and the cam corner inserting mechanism comprises a guide cam, a swinging device, a connecting rod, a translation device, a propelling device and a corner inserting plate; according to the utility model, the guide cam is driven to rotate by the driving mechanism and the transmission mechanism, the guide groove acts on the first swing arm and drives the second swing arm to swing through the rotating shaft, and the second swing arm acts on the first sliding plate through the connecting rod to connect and drive the first sliding plate to move along the first sliding frame, so that the corner inserting plate on the propulsion device is driven to move. According to the utility model, the guide grooves on the guide cams are utilized to drive the corner inserting plates to move, and the corner inserting plates on two sides of the packaging bag can realize synchronous left and right corner inserting in a linkage mode, so that the corner inserting packaging efficiency is improved.

Description

Cam corner inserting mechanism for packaging machine

Technical Field

The utility model relates to the technical field of packaging equipment, in particular to a cam corner inserting mechanism for a packaging machine.

Background

The packaging machine is widely applied to industries such as food packaging, and the like, and because of the variety of food packaging bags, such as self-standing bags, corner inserting bags and other bag types, the packaging bags need to be folded inwards at the corners when being sealed, so that the smooth sealing is facilitated. Corner inward folding generally requires corner insertion and sealing of the opening of the package by a specially designed corner insertion device during the package sealing process. Most of the corner inserting devices in the prior art are cylinder type corner inserting devices, a corner inserting plate and a cylinder are usually required to be arranged on two sides of a packaging bag respectively, the corner inserting plate is driven to insert corners of the packaging bag by the pushing of the cylinder, the corner inserting plate can be synchronously inserted in a left-right opposite manner due to the fact that the cylinder is difficult to drive, the corner inserting speed of the cylinder is low, the packaging efficiency is low, and the corner inserting device cannot be applied to a packaging machine for high-speed packaging; the cylinder and associated equipment also add additional manufacturing costs to the packaging machine.

Disclosure of Invention

The utility model provides a cam angle inserting mechanism for a packaging machine, which aims to solve the problems in the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: the cam corner inserting mechanism for the packaging machine is arranged in the packaging machine and is provided with a frame, a driving mechanism, a transmission mechanism and an end sealing mechanism, wherein the driving mechanism is in transmission connection with the end sealing mechanism through the transmission mechanism, and the cam corner inserting mechanism for the packaging machine comprises a guide cam, a swinging device, a connecting rod, a translation device, a propelling device and a corner inserting plate;

the guide cam is connected with the transmission mechanism, and the driving mechanism transmits power to the guide cam through the transmission mechanism;

the swinging device comprises a first swinging arm, a rotating shaft and a second swinging arm; the guide cam is provided with a guide groove, the first swing arm is driven to swing through the guide groove, and the first swing arm drives the second swing arm to do pendulum motion through the rotating shaft;

the translation device comprises a first sliding frame and a first sliding plate; one end of the connecting rod is connected with the second swing arm in a sliding way, and the other end of the connecting rod is connected with the first sliding plate and drives the first sliding plate to move along the first sliding frame;

the pushing device is arranged on the first sliding plate, and the inserting angle plate is arranged on the pushing device.

Preferably, the swinging device further comprises a bearing seat, the bearing seat is installed on the frame, and the rotating shaft is rotatably arranged on the bearing seat; one end of the first swing arm is connected with the rotating shaft, a first straight rod is arranged at the other end of the first swing arm, a guide wheel is arranged on the first straight rod, and the guide wheel is embedded into the guide groove; one end of the second swing arm is connected with the rotating shaft, and the other end of the second swing arm is provided with a vertical sliding groove.

Preferably, the transmission mechanism comprises a driving wheel, a lower driven wheel and an upper driven wheel, wherein the driving wheel is in transmission connection with the driving mechanism, and the lower driven wheel is respectively in meshed connection with the driving wheel and the upper driven wheel; the guide cam is of a cylindrical hollow structure, and the side surface of the guide cam is fixedly connected with the upper driven wheel; the guide groove is circumferentially arranged on the outer surface of the guide cam; the guide groove comprises a straight section and a bending section, when the guide wheel is positioned at the straight section, the inserting angle plate is positioned at a state to be stretched out, and when the guide wheel is positioned at the bending section, the inserting angle plate is positioned at a stretched out state.

Preferably, the connecting rod is of an L-shaped structure, one end of the connecting rod is fixedly connected with the first sliding plate, a second straight rod is arranged at the other end of the connecting rod, a pulley is arranged on the second straight rod, and the pulley is embedded into the vertical sliding groove.

Preferably, an included angle between the length direction of the first swing arm and the length direction of the second swing arm is 180 degrees.

Preferably, the first sliding frame comprises a fixing seat, a first guide rail and a first sliding block, the fixing seat is installed on the frame, the first guide rail is arranged on the fixing seat, the first sliding block is slidably arranged on the first guide rail, and the first sliding plate is arranged on the first sliding block.

Preferably, the pushing device comprises a second sliding block, a second sliding rail, a second sliding plate and a pushing block, wherein the second sliding block is fixedly arranged on the first sliding plate, the second sliding rail is slidably arranged on the second sliding block, and the second sliding plate is arranged on the second sliding rail; the pushing block is arranged at one end of the second sliding plate, and the inserting angle plate is arranged at the other end of the second sliding plate.

Preferably, the pushing block is of a rectangular hollow structure, and the top of the pushing block is connected with the bottom of the second sliding plate.

Preferably, the whole right angle Z type structure that is of inserting the angle board, one end is a pair of fork arms that are parallel to each other, and the other end is equipped with a pair of sliding tray that are parallel to each other, the sliding tray is rectangular form structure, be equipped with the bolt in the sliding tray and pass through the bolt with advancing device connects.

Preferably, the cam corner inserting mechanisms are provided with two groups, the two groups of cam corner inserting mechanisms are symmetrically arranged on two sides of the frame, the transmission mechanisms are provided with two groups, and the two groups of transmission mechanisms are respectively arranged on two sides of the frame and are linked through a transmission shaft.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the driving mechanism drives the guide cam to rotate through the transmission mechanism by virtue of the guide cam, the guide cam is provided with the guide groove, so that the rotating guide groove acts on the first swing arm and drives the second swing arm to swing through the rotating shaft, and the second swing arm acts on the first sliding plate through the connecting rod to connect and drive the first sliding plate to move along the first sliding frame, so that the corner inserting plate on the driving device is driven to move. Because the second swing arm continuously swings, the corner inserting plate can do rapid corner inserting and retreating movements in the swinging process. According to the utility model, the guide grooves on the guide cams are utilized to drive the corner inserting plates to move, the corner inserting plates on two sides of the packaging bag can realize synchronous left and right corner inserting in a linkage mode, and the corner inserting packaging efficiency is greatly improved. In addition, the insertion angle can be realized without separately adding a power source, and the manufacturing cost of the packaging machine is reduced.

Drawings

Fig. 1 is a block diagram of a cam angle inserting mechanism for a packaging machine according to an embodiment of the present utility model;

FIG. 2 is a front view of a cam corner insertion mechanism for a packaging machine according to an embodiment of the present utility model;

FIG. 3 is a side view of a cam corner insertion mechanism for a packaging machine according to an embodiment of the present utility model;

FIG. 4 is a top view of a cam corner insertion mechanism for a packaging machine according to an embodiment of the present utility model;

fig. 5 is a schematic diagram showing a linkage effect of a cam angle inserting mechanism for a packaging machine according to an embodiment of the present utility model;

in fig. 1 to 5, the correspondence between the names of the respective components and the reference numerals of the drawings is:

1-frame, 2-driving mechanism, 3-driving mechanism, 31-driving wheel, 32-lower driven wheel, 33-upper driven wheel, 4-guiding cam, 41-guiding slot, 411-straight section, 412-bent section, 5-swinging device, 51-first swinging arm, 52-rotating shaft, 53-second swinging arm, 531-vertical sliding slot, 54-bearing seat, 55-first straight bar, 56-guiding wheel, 6-connecting rod, 61-second straight bar, 62-pulley, 7-translation device, 71-first slide plate, 72-fixed seat, 73-first guide rail, 74-first slide block, 8-pushing device, 81-second slide block, 82-second slide rail, 83-second slide plate, 84-pushing block, 9-inserting angle plate, 91-fork arm, 92-sliding slot, 10-driving shaft.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 5, the utility model provides a cam corner inserting mechanism for a packaging machine, which is arranged in the packaging machine, wherein a frame 1, a driving mechanism 2, a transmission mechanism 3 and an end sealing mechanism are arranged on the packaging machine, the driving mechanism 2 is in transmission connection with the end sealing mechanism through the transmission mechanism 3, and the cam corner inserting mechanism for the packaging machine comprises a guide cam 4, a swinging device 5, a connecting rod 6, a translation device 7, a pushing device 8 and a corner inserting plate 9;

the guide cam 4 is connected with the transmission mechanism 3, and the driving mechanism 2 transmits power to the guide cam 4 through the transmission mechanism 3;

the swinging device 5 comprises a first swinging arm 51, a rotating shaft 52 and a second swinging arm 53; the guide cam 4 is provided with a guide groove 41, the first swing arm 51 is driven to swing through the guide groove 41, and the first swing arm 51 drives the second swing arm 53 to do pendulum motion through the rotating shaft 52;

the translation device 7 comprises a first sliding frame and a first sliding plate 71; one end of the connecting rod 6 is slidably connected with the second swing arm 53, and the other end of the connecting rod is connected with the first sliding plate 71 and drives the first sliding plate 71 to move along the first sliding frame;

the propulsion device 8 is arranged on the first sliding plate 71, and the inserting angle plate 9 is arranged on the propulsion device 8.

In this embodiment, the driving mechanism 2 and the transmission mechanism 3 are connected and drive the transmission mechanism 3 to work, and the transmission mechanism 3 outputs power to the end sealing mechanism, so that the end sealing mechanism can seal the passing packaging bag. The cam corner inserting mechanism in the embodiment is arranged beside the end sealing mechanism and is matched with the end sealing mechanism for use, when the end sealing mechanism seals a packaging bag, the cam corner inserting mechanism works and inserts corners at the opening of the packaging bag, so that the opening corners of the packaging bag are folded inwards, and the packaging bag is sealed after heat sealing and pressing.

The guide cam 4 is mounted on the transmission 3, and the guide cam 4 rotates as the transmission 3 moves. The periphery of the guide cam 4 is provided with a guide groove 41, and the first swing arm 51 is driven to swing through the guide groove 41, specifically, one end of the first swing arm 51 is rotationally connected, the other end of the first swing arm extends into the guide groove 41, and when the guide cam 4 rotates, the inner side wall of the guide groove 41 acts on the first swing arm 51, so that the first swing arm 51 swings along the fluctuation of the inner side wall of the guide groove 41; then, the first swing arm 51 transfers the swing to the second swing arm 53 through the rotation shaft 52, and the second swing arm 53 also performs the pendulum motion. One end of the second swing arm 53 is connected to the rotation shaft 52, and the other end is slidably connected to the connection rod 6, and when the second swing arm 53 swings and acts on the connection rod 6, the first slide plate 71 receives the pushing force of the connection rod 6 and slides on the first carriage. The pushing device 8 on the first slide plate 71 and the insertion angle plate 9 are extended or retracted along with the first slide plate 71.

The working process of the utility model is as follows: the guide cam 4 acts on the first swing arm 51, the first swing arm 51 drives the second swing arm 53 to swing through the rotating shaft 52, the second swing arm 53 drives the first sliding plate 71 to slide on the first sliding frame through the connecting rod 6, the pushing device 8 moves along with the first sliding plate 71, the corner inserting plate 9 on the pushing device 8 also slides along with the first sliding plate and inserts corners of passing packaging bags.

The propulsion device 8 in this embodiment may be fixed or linked. Specifically, when the pushing device 8 is fixed, the relative positions of the corner inserting plate 9, the pushing device 8 and the first sliding plate 71 are fixed during the corner inserting process, and when the first sliding plate 71 moves, the movement tracks of the corner inserting plate 9 and the first sliding plate 71 are parallel. When the pushing device 8 is linked, such as being pushed by an external force, being linked with the end sealing mechanism or being directly driven by the driving mechanism 2, the pushing device 8 drives the inserting angle plate 9 to move back and forth along the front-back direction perpendicular to the moving direction of the first sliding plate 71, and when the inserting angle plate 9 is moved to a designated position, the first sliding plate 71 drives the pushing device 8 and the inserting angle plate 9 to extend together, so as to insert the packaging bag.

Preferably, the swinging device 5 further comprises a bearing seat 54, the bearing seat 54 is mounted on the frame 1, and the rotating shaft 52 is rotatably arranged on the bearing seat 54; one end of the first swing arm 51 is connected with the rotating shaft 52, a first straight rod 55 is arranged at the other end of the first swing arm, a guide wheel 56 is arranged on the first straight rod 55, and the guide wheel 56 is embedded into the guide groove 41; one end of the second swing arm 53 is connected with the rotating shaft 52, and the other end is provided with a vertical chute 531. Through the above structural design, the bearing seat 54 is installed on the frame 1 of the packaging machine, the rotating shaft 52 is rotatably installed on the bearing seat 54, then the first swing arm 51 and the second swing arm 53 are respectively provided at two ends of the rotating shaft 52, and when the first swing arm 51 swings, the second swing arm 53 also swings synchronously. Specifically, the first swing arm 51 is provided with a first straight rod 55, the end of the first straight rod 55 is provided with a guide wheel 56, the guide wheel 56 is embedded into the guide groove 41, the side surface of the guide wheel 56 contacts with the inner side wall of the guide groove 41, and when the guide groove 41 rotates, the inner side wall in the guide groove 41 contacts with the side surface of the guide wheel 56, so that the position of the guide wheel 56 is changed. Further, the inner side wall of the guide groove 41 has a wavy structure, and the position of the guide wheel 56 is continuously and repeatedly changed by continuous wavy, so as to drive the first swing arm 51 to continuously reciprocate. When the first swing arm 51 moves, the second swing arm 53 also performs a reciprocating pendulum motion therewith. The vertical sliding groove 531 is used for driving the connecting rod 6, and one end of the connecting rod 6 can move up and down in the vertical sliding groove 531, so that when the second swing arm 53 swings, the vertical sliding groove 531 acts on the connecting rod 6, and the connecting rod 6 drives the first sliding plate 71 to move.

Preferably, the transmission mechanism 3 comprises a driving wheel 31, a lower driven wheel 32 and an upper driven wheel 33, the driving wheel 31 is in transmission connection with the driving mechanism 2, and the lower driven wheel 32 is respectively in meshed connection with the driving wheel 31 and the upper driven wheel 33; the guide cam 4 is of a cylindrical hollow structure, and the side surface of the guide cam is fixedly connected with the upper driven wheel 33; the guide groove 41 is circumferentially arranged on the outer surface of the guide cam 4; the guide groove 41 comprises a straight section 411 and a curved section 412, when the guide wheel 56 is positioned in the straight section 411, the inserting angle plate 9 is positioned in a state to be stretched out, and when the guide wheel 56 is positioned in the curved section 412, the inserting angle plate 9 is positioned in a stretched out state. In this embodiment, the driving mechanism 2 drives the driving wheel 31 to rotate, and the driving wheel 31 is in meshed connection with the lower driven wheel 32, and the lower driven wheel 32 and the upper driven wheel 33, so that the driving wheel 31 drives the upper driven wheel 33 to rotate through the lower driven wheel 32; the guide cam 4 is disposed on the inner side of the upper driven wheel 33, specifically, the guide cam 4 is in a cylindrical structure, the inside of the guide cam is hollow, a circle of circular ring on the side surface is provided with a screw hole, a gear of the upper driven wheel 33 is provided with a slot, and a screw can be disposed on the slot to be in butt joint with the screw hole, so that the guide cam 4 is fixedly mounted on the inner side of the upper driven wheel 33. The guide groove 41 is provided on the outer surface of the guide cam 4, and the guide groove 41 is divided into a flat section 411 and a curved section 412, wherein the inner side wall of the flat section 411 is flat without undulation, and the inner side wall of the curved section 412 is provided with an undulation gradient by which the swing of the guide wheel 56 is controlled. Specifically, when idler 56 is in straight section 411, the position of idler 56 remains unchanged. When the guide pulley 56 enters the curved section 412, the guide pulley 56 moves along with the undulating slope, and at this time, the first swing arm 51 connected to the guide pulley 56 swings left and right around the center line of the rotating shaft 52.

Preferably, the connecting rod 6 has an L-shaped structure, one end of the connecting rod is fixedly connected with the first sliding plate 71, the other end of the connecting rod is provided with a second straight rod 61, the second straight rod 61 is provided with a pulley 62, and the pulley 62 is embedded into the vertical sliding groove 531. Through the above structural design, one end of the connecting rod 6 is fixedly connected with the first sliding plate 71, the other end is connected with the pulley 62 through the second straight rod 61, the pulley 62 is embedded into the vertical sliding groove 531, when the second swing arm 53 swings, the inner side wall of the vertical sliding groove 531 acts on the pulley 62, so that the whole connecting rod 6 moves left and right along with the second swing arm 53, and the first sliding plate 71 connected with the connecting rod 6 is arranged on the first sliding frame, so that the first sliding plate 71 slides back and forth along the length direction of the first sliding frame under the driving of the connecting rod 6.

Preferably, the angle between the length direction of the first swing arm 51 and the length direction of the second swing arm 53 is 180 degrees. The end sealing mechanism of the packaging machine is driven by the upper driven wheel 33 and the lower driven wheel 32 respectively, so that the corner inserting plate 9 needs to be arranged between the upper driven wheel 33 and the lower driven wheel 32, and in this embodiment, the included angle between the length directions of the first swing arm 51 and the second swing arm 53 is set to 180 degrees, that is, the first swing arm 51 and the second swing arm 53 are arranged towards opposite directions, and the rotating shaft 52 forms a right-angle Z-shaped structure, so that the layout of the translation device 7 and the pushing device 8 is convenient.

Preferably, the first sliding frame includes a fixed seat 72, a first guide rail 73 and a first sliding block 74, the fixed seat 72 is mounted on the frame 1, the first guide rail 73 is disposed on the fixed seat 72, the first sliding block 74 is slidably disposed on the first guide rail 73, and the first sliding plate 71 is disposed on the first sliding block 74. Through the above-mentioned structural design, the one end of fixing base 72 is connected with frame 1, and the other end is L template of L type structure to install first guide rail 73 through L template, provided with slidable first slider 74 on the first guide rail 73. The first slide plate 71 is fixedly mounted on a first slider 74 and is slidable back and forth on the first rail 73 via the first slider 74. Further, the fixing seat 72 is connected with the frame 1 in an up-and-down adjustable manner through bolts, so that the height position of the whole first sliding frame is controlled, and the packaging bag with more specifications can be matched.

Preferably, the pushing device 8 includes a second sliding block 81, a second sliding rail 82, a second sliding plate 83, and a pushing block 84, where the second sliding block 81 is fixedly disposed on the first sliding plate 71, the second sliding rail 82 is slidably disposed on the second sliding block 81, and the second sliding plate 83 is mounted on the second sliding rail 82; the pushing block 84 is disposed at one end of the second sliding plate 83, and the corner inserting plate 9 is disposed at the other end of the second sliding plate 83. In this embodiment, the pushing block 84 may be pushed by another component or in transmission connection with the end sealing mechanism, so that the pushing device 8 has a capability of moving back and forth, so that the insert angle plate 9 can move in the back and forth direction, so as to adapt to the insert angle requirement of the end sealing mechanism that needs to move back and forth.

Preferably, the pushing block 84 has a rectangular hollow structure, and the top of the pushing block 84 is connected to the bottom of the second sliding plate 83. In this embodiment, the pushing block 84 is a rectangular hollow structure, a long metal rod can be arranged on a moving component of the packaging machine, the metal rod is extended into the rectangular hollow structure, and the pushing block 84 is driven to move back and forth through the movement of the metal rod, meanwhile, due to the hollow rectangular structure, the pushing block 84 is not blocked by the metal rod when translating left and right.

Preferably, the whole of the insert angle plate 9 is in a right-angle Z-shaped structure, one end of the insert angle plate is provided with a pair of fork arms 91 which are parallel to each other, the other end of the insert angle plate is provided with a pair of sliding grooves 92 which are parallel to each other, the sliding grooves 92 are in a strip-shaped structure, and bolts are arranged in the sliding grooves 92 and are connected with the pushing device 8 through the bolts. The corner inserting plate 9 is integrally of a right-angle Z-shaped structure, one side of the right-angle Z-shaped structure is used for corner inserting, and the other side of the right-angle Z-shaped structure is used for being connected with the propelling device 8. One side for the corner is a pair of fork arms 91 for respectively performing corner insertion on both sides of the package, and when the package enters the working range of the corner plate 9, the fork arms 91 perform corner insertion. The sliding groove 92 is formed in the other side of the inserting angle plate 9, and the bolt and the pushing device 8 are arranged on the sliding groove 92 to be connected, so that the installation position of the inserting angle plate 9 can be adjusted along the length direction of the sliding groove 92, the position of the inserting angle plate 9 can be quickly adjusted according to the size of a packaging bag, and the inserting angle plate 9 is more flexible to use.

Preferably, the cam angle inserting mechanisms are provided with two groups, the two groups of cam angle inserting mechanisms are symmetrically arranged on two sides of the frame 1, the transmission mechanisms 3 are provided with two groups, and the two groups of transmission mechanisms 3 are respectively arranged on two sides of the frame 1 and are in linkage through a transmission shaft 10. Referring to fig. 5, two sets of transmission mechanisms 3 in fig. 5 are respectively arranged at two sides of the frame 1, and a transmission shaft 10 is arranged below the two sets of transmission mechanisms 3 to connect the two sets of transmission mechanisms 3, so that when the driving mechanism 2 works, the two sets of transmission mechanisms 3 can synchronously operate. The cam corner inserting mechanisms are also arranged in two groups and are respectively arranged on two sides of the frame 1, the cam corner inserting mechanisms are matched with the transmission mechanisms 3 on the same side, the two groups of transmission mechanisms 3 respectively drive the two groups of cam corner inserting mechanisms to work simultaneously, and therefore the two groups of cam corner inserting mechanisms can simultaneously insert corners on two sides of a packaging bag, and the situation that the corners on the left side and the right side are asynchronous is effectively avoided.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The cam corner inserting mechanism for the packaging machine is arranged in the packaging machine and is provided with a frame (1), a driving mechanism (2), a transmission mechanism (3) and an end sealing mechanism, wherein the driving mechanism is in transmission connection with the end sealing mechanism through the transmission mechanism, and the cam corner inserting mechanism for the packaging machine is characterized by comprising a guide cam (4), a swinging device (5), a connecting rod (6), a translation device (7), a propelling device (8) and a corner inserting plate (9);

the swinging device comprises a first swinging arm (51), a rotating shaft (52) and a second swinging arm (53); the guide cam is provided with a guide groove (41), the first swing arm is driven to swing through the guide groove, and the first swing arm drives the second swing arm to do pendulum motion through the rotating shaft;

the translation device comprises a first sliding frame and a first sliding plate (71); one end of the connecting rod is connected with the second swing arm in a sliding way, and the other end of the connecting rod is connected with the first sliding plate and drives the first sliding plate to move along the first sliding frame;

2. The cam corner-insertion mechanism for a packaging machine according to claim 1, wherein the swinging device further comprises a bearing block (54), the bearing block is mounted on the frame, and the rotating shaft is rotatably arranged on the bearing block; one end of the first swing arm is connected with the rotating shaft, a first straight rod (55) is arranged at the other end of the first swing arm, a guide wheel (56) is arranged on the first straight rod, and the guide wheel is embedded into the guide groove; one end of the second swing arm is connected with the rotating shaft, and the other end of the second swing arm is provided with a vertical sliding groove (531).

3. The cam corner inserting mechanism for the packaging machine according to claim 2, wherein the transmission mechanism comprises a driving wheel (31), a lower driven wheel (32) and an upper driven wheel (33), the driving wheel is in transmission connection with the driving mechanism, and the lower driven wheel is respectively in meshed connection with the driving wheel and the upper driven wheel; the guide cam is of a cylindrical hollow structure, and the side surface of the guide cam is fixedly connected with the upper driven wheel; the guide groove is circumferentially arranged on the outer surface of the guide cam; the guide groove comprises a straight section (411) and a bending section (412), when the guide wheel is positioned in the straight section, the inserting angle plate is positioned in a state to be stretched out, and when the guide wheel is positioned in the bending section, the inserting angle plate is positioned in a stretched out state.

4. A cam corner inserting mechanism for a packaging machine according to claim 3, wherein the connecting rod is of an L-shaped structure, one end of the connecting rod is fixedly connected with the first sliding plate, a second straight rod (61) is arranged at the other end of the connecting rod, a pulley (62) is arranged on the second straight rod, and the pulley is embedded into the vertical sliding groove.

5. The cam angle inserting mechanism for a packaging machine according to claim 2, wherein an angle between a length direction of the first swing arm and a length direction of the second swing arm is 180 degrees.

6. The cam corner inserting mechanism for a packaging machine according to claim 1, wherein the first sliding frame comprises a fixing seat (72), a first guide rail (73) and a first sliding block (74), the fixing seat is installed on the frame, the first guide rail is arranged on the fixing seat, the first sliding block is slidably arranged on the first guide rail, and the first sliding block is arranged on the first sliding block.

7. The cam corner inserting mechanism for a packaging machine according to claim 1, wherein the pushing device comprises a second sliding block (81), a second sliding rail (82), a second sliding plate (83) and a pushing block (84), the second sliding block is fixedly arranged on the first sliding plate, the second sliding rail is slidably arranged on the second sliding block, and the second sliding plate is arranged on the second sliding rail; the pushing block is arranged at one end of the second sliding plate, and the inserting angle plate is arranged at the other end of the second sliding plate.

8. The cam corner-insertion mechanism for a packaging machine according to claim 7, wherein the pushing block has a rectangular internal hollow structure, and a top of the pushing block is connected to a bottom of the second slide plate.

9. The cam corner inserting mechanism for a packaging machine according to claim 1, wherein the corner inserting plate is integrally of a right-angle Z-shaped structure, one end of the corner inserting plate is provided with a pair of fork arms (91) which are parallel to each other, the other end of the corner inserting plate is provided with a pair of sliding grooves (92) which are parallel to each other, the sliding grooves are of a strip-shaped structure, and bolts are arranged in the sliding grooves and are connected with the pushing device through the bolts.

10. Cam corner-inserting mechanism for packaging machine according to any of claims 1-9, characterized in that the cam corner-inserting mechanism is provided with two groups, the two groups of cam corner-inserting mechanisms are symmetrically arranged at two sides of the frame, the transmission mechanism is provided with two groups, and the two groups of transmission mechanisms are respectively arranged at two sides of the frame and are linked through a transmission shaft (10).