Aluminum sheet sewing mechanism for zip-top can cover

Abstract

The aluminum sheet sewing mechanism for the ring-pull can cover comprises a sewing support, the sewing support is provided with a left-right through conveying channel, an upper sewing knife structure is installed on the upper end face of the conveying channel, and a lower sewing knife structure is installed on the lower end face of the conveying channel. At least one of the upper stitching knife structure and the lower stitching knife structure comprises a lifting structure, and an upper stitching knife of the upper stitching knife structure and / or a lower stitching knife of the lower stitching knife structure are / is detachably mounted. The upper sewing knife and the lower sewing knife are replaceable, so that the sewing knives can be independently replaced according to actual production requirements, the density, the interval and the like of sewing teeth can be independently adjusted, different sewing knife structures can be adopted to provide different sewing forces according to different conveying forces of different types of can covers, and the production efficiency is improved. And the sewing strength and stability of the two aluminum coils are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum sheet sewing, and in particular relates to an aluminum sheet sewing mechanism for a can cover. Background Art

[0002] The lid of a can is made from an aluminum coil, which first needs to be unwound during use. The unwound aluminum coil serves as the raw material for the subsequent process. The aluminum coil processing production lines currently used are all arranged in sequence with multiple processes. However, due to the limited length of the aluminum coil itself, when one aluminum coil is unwound and replaced with a new one, there is no connectivity between the two aluminum coils. The processing process needs to re-convey the new aluminum coil, which cannot achieve uninterrupted production, affecting the efficiency and quality of the aluminum coil transmission processing, and cannot meet the needs of production use. Utility Model Content

[0003] The utility model provides an aluminum sheet sewing mechanism for a can cover of an easy-pull can, which can press two aluminum coils so as to enable continuous processing, and the sewing knife can be replaced according to actual sewing requirements.

[0004] The technical solution adopted by the utility model is:

[0005] An aluminum sheet sewing mechanism for can lids includes a sewing bracket, the sewing bracket is provided with a conveying channel running through from left to right, an upper sewing knife structure is installed on the upper end surface of the conveying channel, and a lower sewing knife structure is installed on the lower end surface of the conveying channel, at least one of the upper and lower sewing knife structures includes a lifting structure, and the upper sewing knife of the upper sewing knife structure and / or the lower sewing knife of the lower sewing knife structure are detachably installed. The replaceability of the upper and lower sewing knives enables the sewing knives to be replaced autonomously according to actual production needs, and the density and spacing of the sewing teeth can be adjusted autonomously, and the two sewing knives can be brought close to and away from each other through the lifting structure, and only when two aluminum coils need to be sewn will the upper and lower sewing knives be pressed together to press the aluminum coils passing through, thereby achieving continuous conveying.

[0006] As a preferred embodiment of the utility model, the upper suture knife structure includes a lifting structure and an upper suture knife assembly, the upper suture knife assembly includes an upper suture knife, the end face of the upper suture knife is detachably connected to the telescopic part of the lifting structure, and the lifting structure is arranged on the upper end face of the conveying channel; the working end face of the upper suture knife is provided with a plurality of suture grooves, each suture groove is arranged in parallel at intervals, and the setting direction of the suture groove is perpendicular to the conveying direction of the conveying channel; the lower suture knife structure includes a lower suture knife assembly, the lower suture knife assembly includes a lower suture knife, the lower suture knife is detachably installed on the lower end face of the conveying channel, and the working end face of the lower suture knife is provided with a plurality of suture protrusions, and the suture protrusions correspond to the suture grooves one by one to form suture bite teeth. The lower suture knife structure is fixed, and the upper suture knife approaches and moves away from the lower suture knife under the drive of the lifting structure. After the suture grooves and the suture protrusions bite, the two aluminum coils with overlapping areas are pressed together, and the upper and lower suture knives are both detachable, and the required suture knives can be replaced in a matching manner.

[0007] As a preferred solution of the utility model, a sewing lace groove is provided on the side wall of the sewing groove along the axial direction; and a sewing lace protrusion is provided at the corresponding position of the sewing protrusion. The sewing lace groove and the sewing lace protrusion can increase the contact area of ​​the two aluminum coils after pressing, improve the strength of pressing, and prevent the two aluminum coils from loosening during transportation.

[0008] As a preferred solution of the utility model, the lower suture knife structure also includes a lifting structure, which is arranged on the lower end surface of the conveying channel and the telescopic part of the lifting structure is detachably connected to the end surface of the lower suture knife. The upper and lower suture knife structures respectively have their own lifting structures, and the two lifting structures move synchronously to make the upper suture knife and the lower suture knife approach and move away, and the lifting structure can directly use a cylinder or an electric cylinder.

[0009] As a preferred solution of the utility model, a guide column is fixedly installed on the end surface of the upper suture knife, and the other end of the guide column penetrates into the guide channel reserved in the shell of the lifting structure; a guide column is fixed on the end surface of the lower suture knife, and the other end of the guide column downwardly penetrates into the guide channel reserved in the shell of the lifting structure. The setting of the guide column can ensure that the upper and lower suture knives will not be misaligned during pressing, ensuring accurate pressing.

[0010] The utility model arranges the sewing knife to be replaceable, so that during the production of the can lid, different sewing forces can be provided by adopting different sewing knife structures according to the different conveying forces of different types of can lids, thereby improving the sewing strength and stability of two aluminum coils. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 for Figure 1 A partial enlarged view of part A.

[0014] Figure 3 for Figure 1 A partial enlarged view of part B.

[0015] Figure 4 It is a structural schematic diagram of the upper suture knife of the utility model. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Embodiment 1:

[0018] An aluminum sheet sewing mechanism for can lids, such as Figure 1 As shown, it includes a suture bracket 1, the suture bracket is provided with a conveying channel 4 that passes through the left and right sides, and an upper suture knife structure is installed on the upper end surface of the conveying channel. The upper suture knife structure includes a lifting structure and an upper suture knife assembly. The upper suture knife assembly includes an upper suture knife 2, as shown in FIG. Figure 2 and 4 As shown, the end face of the upper suture knife 2 is detachably connected to the telescopic part of the lifting structure, and the lifting structure is arranged on the upper end face of the conveying channel. In this embodiment, a lifting installation hole is vertically opened on the upper end face of the conveying channel, and the shell of the lifting structure is installed in the lifting installation hole. The piston rod of the lifting structure passes through the lifting installation hole and is detachably connected to the end face of the upper suture knife 2. The detachable connection between the piston rod and the upper suture knife can be achieved by using a plug-in jack tight fit or threaded connection, or by directly using bolts for fixing.

[0019] A guide column is arranged between the end surface of the upper suture knife and the housing of the lifting structure, the lower end of the guide column is fixed to the end surface of the upper suture knife, and the upper end of the guide column penetrates into a guide channel reserved on the housing of the lifting structure, and the guide column reciprocates in the guide channel during the extension and retraction process of the piston rod;

[0020] The working end surface of the upper suture knife 2 is provided with a plurality of suture grooves 21, each of which is arranged in parallel with each other, and the arrangement direction of the suture grooves is perpendicular to the conveying direction of the conveying channel; in this embodiment, two suture grooves are taken as an example for demonstration.

[0021] A lower suture knife structure is installed on the lower end surface of the conveying channel, and the lower suture knife structure includes a lower suture knife assembly, and the lower suture knife assembly includes a lower suture knife 3, such as Figure 3 As shown, the lower suture knife 3 is detachably mounted on the lower end surface of the conveying channel. The detachable method can be used by setting a mounting block on the lower suture knife, setting a mounting socket on the lower end surface of the conveying channel, inserting the mounting block into the mounting socket, and in order to ensure the installation strength, a tightening pin can be used for locking, and other detachable connection methods such as threaded connection of the mounting block and the mounting socket can also be used. The working end surface of the lower suture knife 3 is provided with a plurality of suture protrusions 31, and the suture protrusions 31 correspond to the suture grooves 21 one by one to form suture bite teeth. The lower suture knife structure is fixed, and the upper suture knife approaches and moves away from the lower suture knife under the drive of the lifting structure. After the suture groove and the suture protrusion bite, the two aluminum coils with overlapping areas are pressed together, and the upper and lower suture knives are both detachable, and the required suture knives can be replaced in a matching manner.

[0022] In order to increase the contact area of ​​the two aluminum coils after lamination, improve the lamination strength, and prevent the two aluminum coils from loosening during transportation, a sewing lace groove 22 is provided on the side wall of the sewing groove 21 along the axial direction; and a sewing lace protrusion is provided at the corresponding position of the sewing protrusion. Sewing lace groove and sewing lace protrusion.

[0023] The replaceable upper and lower seaming knives enable the machine to replace the seaming knives independently according to actual production needs. The density and spacing of the seaming teeth can be adjusted independently, and the two seaming knives can be moved closer and farther away through the lifting structure. Only when two aluminum coils need to be seamed will the upper and lower seaming knives press the passing aluminum coils together to achieve continuous transportation.

[0024] Embodiment 2:

[0025] A kind of aluminum sheet sewing mechanism for can lids, the lower sewing knife structure also includes a lifting structure, the lifting structure is arranged on the lower end face of the conveying channel and the telescopic part of the lifting structure is detachably connected to the end face of the lower sewing knife, the upper and lower sewing knife structures respectively have their own lifting structures, the two lifting structures act synchronously, so that the upper sewing knife and the lower sewing knife are close to and away from each other, and the lifting structure can directly use a cylinder or an electric cylinder; a guide column is fixed on the end face of the lower sewing knife, and the other end of the guide column is downwardly inserted into the guide channel reserved in the shell of the lifting structure. The setting of the guide column can ensure that the upper and lower sewing knives will not be misaligned during pressing, and ensure accurate pressing. The rest is the same as Example 1.

[0026] In the description of this specification, the description of reference terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An aluminum sheet sewing mechanism for can lids, comprising a sewing bracket (1), the sewing bracket being provided with a conveying channel extending through left and right, characterized in that: An upper suture knife structure is installed on the upper end surface of the conveying channel, and a lower suture knife structure is installed on the lower end surface of the conveying channel. At least one of the upper suture knife structure and the lower suture knife structure includes a lifting structure, and the upper suture knife of the upper suture knife structure and / or the lower suture knife of the lower suture knife structure are detachably installed.

2. The aluminum sheet sewing mechanism for can lids according to claim 1, characterized in that: The upper suture knife structure comprises a lifting structure and an upper suture knife assembly, wherein the upper suture knife assembly comprises an upper suture knife (2), wherein the end surface of the upper suture knife (2) is detachably connected to the telescopic part of the lifting structure, and the lifting structure is arranged on the upper end surface of the conveying channel; the working end surface of the upper suture knife (2) is provided with a plurality of suture grooves (21), wherein the suture grooves are arranged in parallel at intervals, and the arrangement direction of the suture grooves is perpendicular to the conveying direction of the conveying channel; the lower suture knife structure comprises a lower suture knife assembly, wherein the lower suture knife assembly comprises a lower suture knife (3), wherein the lower suture knife (3) is detachably mounted on the lower end surface of the conveying channel, and wherein the working end surface of the lower suture knife (3) is provided with a plurality of suture protrusions (31), wherein the suture protrusions (31) correspond one-to-one with the suture grooves (21) to form suture engaging teeth.

3. The aluminum sheet sewing mechanism for can lids according to claim 2, characterized in that: A sewing lace groove is provided on the side wall of the sewing groove (21) along the axial direction; and a sewing lace protrusion is provided at a corresponding position of the sewing protrusion.

4. The aluminum sheet sewing mechanism for can lids according to claim 2 or 3, characterized in that: The lower suture knife structure also includes a lifting structure, which is arranged on the lower end surface of the conveying channel and the telescopic part of the lifting structure is detachably connected to the end surface of the lower suture knife.

5. The aluminum sheet sewing mechanism for can lids according to claim 4, characterized in that: A guide column is fixedly installed on the end surface of the upper suture knife, and the other end of the guide column penetrates into the guide channel reserved in the shell of the lifting structure; a guide column is fixed on the end surface of the lower suture knife, and the other end of the guide column penetrates downward into the guide channel reserved in the shell of the lifting structure.

Images