ZB28 packaging machine trademark gluing roller coupler

Abstract

The utility model relates to a ZB28 packaging machine trademark gluing roller coupler. The ZB28 packaging machine trademark gluing roller coupler comprises a clamping tenon male opening and a clamping tenon female opening. A bearing is further included. The tenon male opening and the tenon female opening are in a flat cylinder shape, and connecting through holes are formed in the centers of the tenon male opening and the tenon female opening and used for being connected with a rotating shaft. Threaded holes are symmetrically formed in the side surface of the clamping tenon male opening along the circle center, screws used in cooperation with the threaded holes are arranged, the screws penetrate through the bearing and then are screwed into the threaded holes, and the bearing can be fixedly installed on the clamping tenon male opening. Butt joint openings are formed in the positions, corresponding to the threaded holes, of the circumference of the clamping tenon female opening; after the clamping tenon male opening and the clamping tenon female opening are coaxially clamped and installed, the bearing is located in the butt joint opening. According to the utility model, the tenon male opening and the tenon female opening are flexibly connected, and the bearing is used at the joint to form certain mobility at the butt joint position, so that the gluing reliability of continuous operation of the rubber roller is improved, the shutdown maintenance frequency is reduced, and the gluing quality defect occurrence rate is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of couplings for tobacco processing machinery, and in particular to a coupling for the rubber roller on the label of a ZB28 packaging machine. Background Technology

[0002] The ZB28 packaging machine, as an important model of domestic high-speed flexible packaging machines, undertakes the production of several flexible packaging grades. During long-term operation and maintenance, it was found that the YB28 section of the ZB28 packaging machine frequently experiences defects in the glue application of the label paper, leading to multiple wastes including defective products, manpower, and raw materials. This common problem increases the number of adjustments and repairs, causing waste of defective products and raw materials, severely impacting production efficiency, and posing a quality risk of defective products entering the next process. Analysis and verification revealed that the glue roller is repeatedly disassembled and reassembled for daily cleaning, and the connection between the roller and the base is a rigid clamp. During operation, wear from repeated installations or deviations in the final installation position due to two possible installation positions caused by the symmetrical clamps can cause radial runout of the glue roller, leading to changes in the gap between the label paper backing roller and the glue roller. Ultimately, this affects the glue application quality, resulting in defects such as insufficient glue, no glue, and glue overflow.

[0003] Against the backdrop of the aforementioned practical problems, it was concluded that the crux of the issue lies in the rigid, clamp-type connection of the gluing roller. The lack of buffer space leads to excessive wear, and prolonged use causes changes in the gap between the label backing roller and the gluing roller during rotation, resulting in defects in the gluing quality. Therefore, a label gluing roller coupling for the ZB28 packaging machine was proposed and designed. Utility Model Content

[0004] To address the shortcomings of the existing technology, this utility model provides a coupling for the label gluing roller of a ZB28 packaging machine. It replaces the rigid connection with a flexible connection, creating a certain amount of movable space to prevent excessive friction. This provides a simple and effective improvement method to solve the problem of glue application quality defects on cigarette packs caused by disassembly / assembly wear and different installation positions. Using this coupling can improve the reliability of the gluing process during long-term continuous operation. Specifically, the technical solution of this utility model to achieve the above objectives is as follows:

[0005] A coupling for a label roller on a ZB28 packaging machine includes a male and a female clamp; it also includes a bearing; both the male and female clamps are flat cylindrical, each with a central connecting hole for connecting a rotating shaft; the male clamp has symmetrically threaded holes along its side surface, and screws that mate with these threaded holes are provided. The screws pass through the bearing and are screwed into the threaded holes, thus fixing the bearing onto the male clamp; the female clamp has a mating interface on its circumference corresponding to the threaded holes; after the male and female clamps are coaxially engaged, the bearing is located within the mating interface.

[0006] Furthermore, the male tenon has a circular groove, which is coaxial with the male tenon; the diameter of the groove is larger than the diameter of the connecting through hole; the female tenon has an annular boss that matches the circular groove, which is coaxial with the female tenon; the outer diameter of the annular boss is the same as the diameter of the groove, and the inner diameter is the same as the diameter of the connecting hole; after the male tenon and the female tenon are coaxially engaged and installed, the circular boss engages inside the groove.

[0007] Furthermore, a protrusion is provided axially on the rotating shaft connecting the clamp female port, and a positioning groove is provided axially on the inner wall of the connecting through hole of the clamp female port to fix the relative position of the clamp female port and the rotating shaft.

[0008] Furthermore, the bearing is a needle roller bearing or a ball bearing.

[0009] Furthermore, the outer ring of the mortise and tenon joint has an arc-shaped groove for easy handheld installation.

[0010] Furthermore, the circular groove edge of the male tenon is provided with a guide slope to facilitate installation.

[0011] In use, the male and female tenons 1 and 2 are respectively fitted and fixed on the rotating shaft. The bearing 11 is fixed on the male tenon 1 by screws 13. When the male tenon 1 and the female tenon 2 are connected, the annular boss enters the groove and the bearing 11 enters the interface 21. When there is friction, the bearing 11 can rotate to form a flexible connection, which transmits the torque of the upper rubber roller rotation and drives the upper rubber roller to rotate.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] This invention employs a flexible connecting jaw male and female joints, using a bearing at the connection point to create a certain degree of mobility at the mating position. When the roller rotates, the bearing rotates to buffer the wear, thereby improving the reliability of continuous glue application, reducing the frequency of downtime maintenance, and lowering the incidence of glue application quality defects. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the coupling connection described in this utility model;

[0015] Figure 2 This is an exploded view of the male mouth of the clasp described in this utility model;

[0016] Figure 3 This is a schematic diagram of the connection of the prior art coupling described in this utility model;

[0017] Figure 4 This is a schematic diagram of the prior art coupling structure described in this utility model;

[0018] In the picture:

[0019] 1—Feather joint (male), 11—Bearing, 12—Threaded hole, 13—Screw, 14—Circular groove, 15—Guide angle

[0020] noodle;

[0021] 2—Mother joint of the tenon; 21—Matching interface; 22—Positioning groove; 23—Arc-shaped groove; Detailed Implementation

[0022] like Figure 1-4 As shown, the embodiments of this utility model are as follows:

[0023] A coupling for the rubber rollers on the label of a ZB28 packaging machine includes a male clamp 1 and a female clamp 2; it also includes a bearing 11. Both the male clamp 1 and the female clamp 2 are flat cylindrical, each with a central connecting hole for connecting a rotating shaft. The male clamp 1 has symmetrically arranged threaded holes 12 on its side surface, and screws 13 that mate with these holes are provided. The screws 13 pass through the bearing 11 and are screwed into the threaded holes 12, thus fixing the bearing 11 onto the male clamp 1. The female clamp 2 has a mating interface 21 on its circumference corresponding to the threaded holes 12. After the male clamp 1 and the female clamp 2 are coaxially engaged and installed, the bearing 11 is located within the mating interface 21. The bearing 11 is either a needle roller bearing 11 or a ball bearing 11.

[0024] The male connector 1 of the clamp has a circular groove 14, which is coaxial with the male connector 1; the diameter of the groove is larger than the diameter of the connecting through hole. The female connector 2 of the clamp has a circular boss that matches the circular groove 14, which is coaxial with the female connector 2; the outer diameter of the circular boss is the same as the diameter of the groove, and the inner diameter is the same as the diameter of the connecting hole. After the male connector 1 and the female connector 2 are coaxially engaged, the circular boss engages inside the groove. The edge of the circular groove 14 of the male connector 1 has a guide slope 15 to facilitate installation. The rotating shaft connecting the female connector 2 has a protrusion along the axial direction, and the inner wall of the connecting through hole of the female connector 2 has a positioning groove 22 along the axial direction to fix the relative position of the female connector 2 and the rotating shaft. The outer ring of the female connector 2 has an arc-shaped groove 23 for easy hand-held installation.

[0025] In use, the male and female tenons 1 and 2 are respectively fitted and fixed on the rotating shaft. The bearing 11 is fixed on the male tenon 1 by screws 13. When the male tenon 1 and the female tenon 2 are connected, the annular boss enters the groove and the bearing 11 enters the interface 21. When there is friction, the bearing 11 can rotate to form a flexible connection, which transmits the torque of the upper rubber roller rotation and drives the upper rubber roller to rotate.

[0026] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within its protection scope. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A coupling for the label-applying roller of a ZB28 packaging machine, comprising a male clamp (1) and a female clamp (2); characterized in that: It also includes a bearing (11); the male jaw (1) and the female jaw (2) are flat cylindrical, each with a connecting through hole in the center for connecting a rotating shaft; the male jaw (1) has a threaded hole (12) symmetrically arranged along the center on its side surface, and a screw (13) is provided to cooperate with the threaded hole (12). The screw (13) passes through the bearing (11) and is screwed into the threaded hole (12) to fix the bearing (11) on the male jaw (1); the female jaw (2) has a mating interface (21) on its circumference corresponding to the position of the threaded hole (12); after the male jaw (1) and the female jaw (2) are coaxially locked and installed, the bearing (11) is located in the mating interface (21).

2. The label gluing roller coupling for a ZB28 packaging machine as described in claim 1, characterized in that: The male jaw (1) has a circular groove (14) and is coaxial with the male jaw (1); the diameter of the groove is larger than the diameter of the connecting through hole; the female jaw (2) has a circular boss that matches the circular groove (14) and is coaxial with the female jaw (2); the outer diameter of the circular boss is the same as the diameter of the groove, and the inner diameter is the same as the diameter of the connecting hole; after the male jaw (1) and the female jaw (2) are coaxially engaged and installed, the circular boss engages inside the groove.

3. The ZB28 packaging machine label gluing roller coupling as described in claim 1 or 2, characterized in that: A protrusion is provided along the axial direction on the rotating shaft connecting the clamp female port (2), and a positioning groove (22) is provided along the axial direction on the inner wall of the connecting through hole of the clamp female port (2) for fixing the relative position of the clamp female port (2) and the rotating shaft.

4. The label gluing roller coupling for a ZB28 packaging machine as described in claim 1, characterized in that: The bearing (11) is a needle roller bearing (11) or a ball bearing (11).

5. The ZB28 packaging machine label gluing roller coupling as described in any one of claims 1, 2, and 3, characterized in that: The outer ring of the mortise and tenon joint (2) is provided with an arc-shaped groove (23) for easy hand-held installation.

6. The label gluing roller coupling for a ZB28 packaging machine as described in claim 2, characterized in that: The circular groove (14) of the male jaw (1) is provided with a guide slope (15) on its edge to facilitate installation.

Images