Sealing mechanism with vertical sealing and cutting functions

Abstract

The utility model discloses a sealing mechanism capable of sealing and cutting vertically. The sealing mechanism comprises a supporting plate; the upper sealing module and the lower sealing module are arranged on the supporting plate; the linkage module is connected between the upper sealing module and the lower sealing module and is used for synchronously linking the mutual movement between the upper sealing module and the lower sealing module; the lifting module is used for driving the supporting plate to do lifting motion; the driving module is arranged on the supporting plate and used for driving the linkage module to rotate. According to the sealing mechanism, the upper sealing module and the lower sealing module are linked through the linkage module, under the action of the linkage module, the upper sealing module and the lower sealing module can move up and down on the supporting rod, and when the height of a product changes and the sealing position changes, the lifting module controls the whole sealing mechanism to ascend and descend; the linkage module is in linkage with the upper sealing module and the lower sealing module for synchronous linkage, so that the packaging machine is suitable for packaging of products with different heights, it is guaranteed that all positions are sealed and cut at the same time during sealing, and the sealing quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing and cutting packaging machines, in particular to a vertical sealing and cutting sealing mechanism. Background Art

[0002] The sealing and cutting machine is a fully automatic unmanned packaging machine, which is widely used in the assembly line of mass production packaging. It has high working efficiency and automatic film sealing and cutting. It can be used in conjunction with the automated packaging assembly line and is the first choice for product sealing and heat shrink packaging.

[0003] As attached Figure 1 The figure shows a sealing mechanism A of the prior art. The upper and lower sealing mechanisms are connected by a fulcrum hinge, which is similar to the operation mode of oral occlusion. With such a structure, when the height of the product changes, the occlusion position cannot change with the height of the product, that is, the height of the upper and lower sealing positions is fixed and there is no synchronous adjustable function, which affects the sealing quality. Utility Model Content

[0004] The purpose of the utility model is to provide a vertical sealing mechanism to solve the problems raised in the above background technology.

[0005] In view of this, the utility model provides a vertical sealing mechanism, comprising:

[0006] support plate; and

[0007] An upper sealing module and a lower sealing module are arranged on the support plate, wherein the upper sealing module and the lower sealing module are arranged up and down and can move up and down in the vertical direction;

[0008] A linkage module is connected between the upper sealing module and the lower sealing module, and is used to synchronize the mutual movement between the upper sealing module and the lower sealing module;

[0009] A lifting module, used for driving the support plate to move upward and downward;

[0010] The driving module is arranged on the supporting plate and is used for driving the linkage module to rotate.

[0011] A further embodiment of the utility model comprises a support rod which is vertically arranged and passes through the support plate, and the upper sealing module and the lower sealing module are slidably arranged on the support rod and move along the axial direction thereof.

[0012] A further implementation scheme of the utility model is that the upper sealing module includes an upper sealing plate, an upper sealing fixing plate and an upper sealing connecting plate, the upper sealing plate is connected to the lower part of the upper sealing fixing plate, the outer side of the upper sealing fixing plate is fixedly connected to the upper sealing connecting plate, the upper sealing fixing plate is enclosed in an L shape, and the upper sealing connecting plate is slidably connected to the support rod.

[0013] A further implementation scheme of the utility model is that the lower sealing module includes a lower sealing plate, a lower sealing fixing plate and a lower sealing connecting plate, the lower sealing plate is connected to the upper part of the lower sealing fixing plate, the lower sealing connecting plate is fixed to the outer side of the lower sealing fixing plate, and is slidably connected to the support rod through the lower sealing connecting plate, and the lower sealing plate is enclosed in an L-shape to match the corresponding upper sealing plate.

[0014] A further implementation scheme of the utility model is that a limiting frame for limiting the upper sealing fixing plate is arranged at the top end of the support rod.

[0015] A further implementation scheme of the utility model is that the linkage module includes a rotating shaft, a joint block, a first connecting rod and a second connecting rod. The rotating shaft is rotatably set on a support plate through a bearing seat. Synchronous plates are fixed on the rotating shafts. Synchronous rods are hingedly connected between the synchronous plates. The center of the joint block is fixed on both ends of the rotating shaft. One end of the first connecting rod and one end of the second connecting rod are hingedly connected on both ends of the joint block. The other end of the first connecting rod is hingedly connected to the upper sealing connecting plate, and the other end of the second connecting rod is hingedly connected to the lower sealing connecting plate.

[0016] A further implementation scheme of the utility model is that the driving module includes a servo motor and a gearbox, the gearbox is connected to a rotating shaft thereof, and the gearbox is drivingly connected to the servo motor and is disposed on the support plate together.

[0017] A further implementation scheme of the utility model is that the lifting module includes a lifting motor, a screw rod, a gear and a belt. The screw rod is distributed at the bottom of the support plate and passes through the support plate. The gear is fixed on the screw rod. The lifting motor is connected by a belt and gear meshing transmission.

[0018] A further implementation scheme of the utility model is that it also includes an adjustment plate and a tensioning gear, wherein the tensioning gear is rotatably arranged on the adjustment plate, and the tensioning gear is meshed with the outer side of the belt for transmission.

[0019] The beneficial effects of the utility model are:

[0020] The upper sealing module and the lower sealing module of the sealing mechanism are linked by a linkage module. Under the action of the linkage module, both the upper sealing module and the lower sealing module can move up and down on the support rod. When the height of the product changes and the sealing position changes, the lifting module controls the overall rise and fall, and the linkage module links the upper sealing module and the lower sealing module to move synchronously, so as to adapt to the packaging of products of different heights and ensure that each position is sealed and cut at the same time during sealing, thereby improving the sealing quality and increasing the packaging yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the sealing structure of the prior art;

[0022] Figure 2 The structure of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 3 The structure of the utility model is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0025] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0026] It should be noted that the terms "first", "second", etc. 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 interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0027] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0028] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0029] The utility model provides a sealing mechanism for vertical sealing and cutting, comprising: a support plate 1 and an upper sealing module 2 and a lower sealing module 3 arranged on the support plate 1, the upper sealing module 2 and the lower sealing module 3 are arranged up and down and can move up and down in the vertical direction, a linkage module 4 is connected between the upper sealing module 2 and the lower sealing module 3, and is used for synchronously linking the mutual movement between the upper sealing module 2 and the lower sealing module 3, that is, under the synchronous linkage of the linkage module 4, the upper sealing module 2 and the lower sealing module 3 can both move up and down synchronously, and the sealing action is performed synchronously, and can also adapt to the change in the height position of the product.

[0030] The lifting module 5 is used to drive the support plate 1 to move up and down. The lifting module 5 drives the overall height to be adjusted up and down. The driving module 6 is arranged on the support plate 1 to drive the linkage module 4 to rotate.

[0031] In this embodiment, the sealing mechanism includes a support rod 7 which is vertically arranged and passes through the support plate 1 , and the upper sealing module 2 and the lower sealing module 3 are slidably arranged on the support rod 7 and move along the axial direction thereof.

[0032] Specifically, the upper sealing module 2 includes an upper sealing plate 20, an upper sealing fixing plate 21 and an upper sealing connecting plate 22;

[0033] The upper sealing plate 20 is connected to the lower part of the upper sealing fixing plate 21, and the outer side of the upper sealing fixing plate 21 is fixedly connected to the upper sealing connecting plate 22. The upper sealing fixing plate 21 is enclosed in an L shape, and the upper sealing connecting plate 22 is slidably connected to the support rod 7. As for the upper sealing plate 20, it is the existing technology, and the specific structure and principle are not repeated in this embodiment.

[0034] In addition, specifically, the lower sealing module 3 includes a lower sealing plate 31, a lower sealing fixing plate 30 and a lower sealing connecting plate 32. The lower sealing plate 31 is connected to the upper part of the lower sealing fixing plate 30, and the lower sealing connecting plate 32 is fixed to the outer side of the lower sealing fixing plate 30. It is slidably connected to the support rod 7 through the lower sealing connecting plate 32. The lower sealing plate 31 is enclosed in an L-shape to match the corresponding upper sealing plate 20. Similarly, the lower sealing plate 31 is also a prior art and is not further described in the embodiment.

[0035] In order to prevent the upper sealing module from sliding off the support rod 7 due to the rising height, a limit frame 8 is provided at the top of the support rod 7 for limiting the upper sealing fixing plate 21. Of course, a sensor can also be provided at the bottom of the limit frame 8. When the upper sealing module contacts the sensor, the driving module 6 is stopped and an alarm is issued. This part is only optional and is not a necessary technical means for this embodiment, so it will not be elaborated on.

[0036] Secondly, specifically, the linkage module 4 includes a first rotating shaft 40, a joint block 41, a first connecting rod 42 and a second connecting rod 43. The first rotating shaft 40 is rotatably arranged on the support plate 1 through a bearing seat 44. A synchronization plate 45 is fixed on the first rotating shaft 40, and a synchronization rod 46 is hingedly connected between the synchronization plates 45. The center of the joint block 41 is fixed on both ends of the first rotating shaft 40, and one end of the first connecting rod 42 and one end of the second connecting rod 43 are hingedly connected on both ends of the joint block 41. The other end of the first connecting rod 42 is hingedly connected to the upper sealing connecting plate 22, and the second connecting rod 43 The other end is hingedly connected to the lower sealing connecting plate 32, and the driving module 6 includes a servo motor 60 and a gearbox 61. The gearbox 61 is connected to one of the first rotating shafts 40. The gearbox 61 is drivingly connected to the servo motor 60 and is arranged on the supporting plate 1. When the servo motor 60 works, the first rotating shaft 40 is driven to rotate through the gearbox 61. The first rotating shafts 40 are synchronously linked through the synchronous plate 45 and the synchronous rod 46, and the joint block 41 swings, thereby driving the first connecting rod 42 and the second connecting rod 43 to drive the upper sealing module 2 and the lower sealing module 3 to move synchronously.

[0037] In addition, the lifting module 5 includes a lifting motor 50, a screw rod 51, a gear 52 and a belt 53. The screw rod 51 is distributed at the bottom of the support plate 1 and passes through the support plate 1. The gear 52 is fixed on the screw rod 51. The lifting motor 50 is connected by the meshing transmission of the belt 53 and the gear 52. The lifting motor 50 drives the screw rod 51 to rotate. The cooperation between the screw rod 51 and the support plate 1 makes the support plate 1 move up and down to meet the requirements of the sealing position of different product heights. In order to adjust the tension of the belt 53, it also includes an adjusting plate 54 and a tensioning gear 55. The tensioning gear 55 is rotatably set on the adjusting plate 54. The tensioning gear 55 is meshed with the outer side of the belt 53 for transmission. By adjusting the position of the adjusting plate 54, the tension of the belt 53 is changed, making the transmission smoother.

[0038] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A vertical sealing mechanism, characterized in that: include: Support plate; and An upper sealing module and a lower sealing module are arranged on the support plate, wherein the upper sealing module and the lower sealing module are arranged up and down and can move up and down in the vertical direction; A linkage module is connected between the upper sealing module and the lower sealing module, and is used to synchronize the mutual movement between the upper sealing module and the lower sealing module; A lifting module, used for driving the support plate to move upward and downward; The driving module is arranged on the supporting plate and is used for driving the linkage module to rotate.

2. A vertical sealing mechanism according to claim 1, characterized in that: It comprises a support rod which is vertically arranged and passes through a support plate. The upper sealing module and the lower sealing module are slidably arranged on the support rod and move along the axial direction thereof.

3. A vertical sealing mechanism according to claim 2, characterized in that: The upper sealing module includes an upper sealing plate, an upper sealing fixing plate and an upper sealing connecting plate, wherein the upper sealing plate is connected to the lower part of the upper sealing fixing plate, the outer side of the upper sealing fixing plate is fixedly connected to the upper sealing connecting plate, the upper sealing fixing plate is enclosed in an L shape, and the upper sealing connecting plate is slidably connected to the support rod.

4. A vertical sealing mechanism according to claim 3, characterized in that: The lower sealing module includes a lower sealing plate, a lower sealing fixing plate and a lower sealing connecting plate. The lower sealing plate is connected to the upper part of the lower sealing fixing plate, and the lower sealing connecting plate is fixed to the outer side of the lower sealing fixing plate and is slidably connected to the support rod through the lower sealing connecting plate. The lower sealing plate is enclosed in an L shape to match the corresponding upper sealing plate.

5. A vertical sealing mechanism according to claim 3, characterized in that: A limiting frame for limiting the upper sealing fixing plate is arranged at the top end of the supporting rod.

6. A vertical sealing mechanism according to claim 4, characterized in that: The linkage module includes a rotating shaft, a joint block, a first connecting rod and a second connecting rod. The rotating shaft is rotatably set on a support plate through a bearing seat. A synchronization plate is fixed on the rotating shaft. A synchronization rod is hingedly connected between the synchronization plates. The center of the joint block is fixed on both ends of the rotating shaft. One end of the first connecting rod and one end of the second connecting rod are hingedly connected on both ends of the joint block. The other end of the first connecting rod is hingedly connected to the upper sealing connecting plate, and the other end of the second connecting rod is hingedly connected to the lower sealing connecting plate.

7. A vertical sealing mechanism according to claim 6, characterized in that: The driving module comprises a servo motor and a gearbox, wherein the gearbox is connected to a rotating shaft thereof, and the gearbox is drivingly connected to the servo motor and is disposed on a supporting plate together.

8. A vertical sealing mechanism according to claim 1, characterized in that: The lifting module includes a lifting motor, a screw rod, a gear and a belt. The screw rod is distributed at the bottom of the support plate and passes through the support plate. The gear is fixed on the screw rod. The lifting motor is connected by a belt and gear meshing transmission.

9. A vertical sealing mechanism according to claim 8, characterized in that: It also includes an adjustment plate and a tensioning gear, wherein the tensioning gear is rotatably arranged on the adjustment plate, and the tensioning gear is meshed with the outer side of the belt for transmission.

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