Split type glue roller shaft

Abstract

This utility model discloses a split-type adhesive coating roller, including a roller core and at least one adhesive coating ring sleeved on the roller core. The roller core is characterized by having a first segment, a second segment, and a third segment with different outer diameters. The first segment engages with an external drive wheel, and the second and third segments are used to fix the adhesive coating ring with fasteners. Through the segmented roller core design, the application of reinforced coating in specific areas, and the modular adhesive coating ring fixing structure, maintenance costs are reduced while service life is increased.

Description

Technical Field

[0001] This utility model relates to the field of packaging adhesive coating equipment, and in particular to a split adhesive coating roller shaft. Background Technology

[0002] Traditional glue-coating rollers typically employ an integral structure, with the roller and glue-coating ring molded together or fixed by welding. Because the glue-coating ring is prone to wear due to long-term friction with the packaging paper, replacing the entire roller in the original structure would result in high costs. Furthermore, metal transmission parts (such as the contact surface with the rubber pulley) are prone to slippage and failure after prolonged friction. Although overall heat treatment can improve wear resistance, it remains expensive. Utility Model Content

[0003] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0004] A split-type glue-applying roller shaft includes a roller shaft core and at least one glue-applying ring sleeved on the roller shaft core. The roller shaft core has a first segment, a second segment, and a third segment with different outer diameters. The first segment engages with an external drive wheel, and the second segment and the third segment are used to fix the glue-applying ring with fasteners.

[0005] In a preferred embodiment of the present invention, one side of the first segment has a stepped structure, and the outer periphery of the stepped structure is provided with a reinforcing coating for direct contact with the external drive wheel.

[0006] In a preferred embodiment of this invention, the reinforcing coating is a ceramic coating.

[0007] In a preferred embodiment of the present invention, at least one set of adhesive grooves is provided on the outer circumferential surface of the adhesive ring, and the adhesive grooves are arranged circumferentially on the surface of the adhesive ring.

[0008] In a preferred embodiment of this utility model, the glue coating tank is composed of a plurality of glue storage pits, and the cross-section of the glue storage pits is a right-angled triangle.

[0009] In a preferred embodiment of this utility model, the side of the coated ring is provided with several fixing holes, and the fixing holes are used in conjunction with the fasteners to be laterally fixed to the second segment and / or the third segment by a pin structure.

[0010] In a preferred embodiment of the present invention, a bushing is further provided between the adhesive ring and the second segment and / or the third segment.

[0011] The beneficial effects of this utility model are as follows:

[0012] The present invention provides a split-type glue-applying roller shaft, which reduces maintenance costs and extends service life through a segmented roller shaft core design, local application of reinforced coating, and modular glue-applying ring fixing structure. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0014] Figure 1 This is an axonometric view of the present invention.

[0015] Figure 2 yes Figure 1 A sectional view.

[0016] Figure 3 yes Figure 2 Enlarged view of part A. Detailed Implementation

[0017] In the description of this utility model, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. The above description is for the purpose of simplifying the description of this utility model and does 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. Therefore, it should not be construed as a limitation of this utility model.

[0018] Unless otherwise specified, the singular forms “a,” “the,” and “the” used in this specification include the plural forms. The terms “comprising,” “including,” and “containing” used in this specification indicate the presence of the claimed feature but do not exclude the presence of one or more other features. The term “and / or” used in this specification includes any and all combinations of one or more of the relevant listed items.

[0019] When a component is described in the specification as being "on", "fixed" to, "connected" to, or "joined" to another component, the component may be directly located on, fixed to, connected to, joined to, or in contact with the other component, or there may be an intermediate component present.

[0020] It is understood that although the terms "first," "second," etc., may be used herein to describe different elements, these elements should not be limited by these terms. These terms are merely used to distinguish one element from another. Therefore, a first element may be referred to as a second element without departing from the teachings of this application.

[0021] Exemplary embodiments of this application will now be described with reference to the accompanying drawings. However, it should be understood that this application can be presented in many different ways and is not limited to the embodiments described below. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide further additional embodiments. Throughout the drawings, the same reference numerals denote the same or functionally identical elements.

[0022] Figure 1 A split-type glue-applying roller is demonstrated. The roller core 10 is rotatably mounted on a packaging machine via a first end 11 and a second end 12. A notch 13 is provided on the second end 12 to assist in positioning the roller core 10 during assembly. At least one glue-applying ring 20 is sleeved on the outside of the roller core 10. One or more sets of glue-applying grooves 30 are provided on the outer circumference of the glue-applying ring 20. By rotating the roller core 10, the glue-applying ring 20 is driven to rotate. The glue stored in the glue-applying grooves 30 contacts the packaging paper on the packaging machine as the glue-applying ring 20 rotates, thereby periodically completing the glue-applying work on the packaging paper.

[0023] Figure 2 The assembly relationship of the various parts of the coating roller shaft is shown. The roller shaft core 10 includes a first segment 14a, a second segment 14b, and a third segment 14c, each with unequal outer diameters. A stepped portion 15 is formed on the side of the first segment 14a. The stepped portion 15 rotates the roller shaft by contacting an external drive wheel; this contact can be frictional or structural engagement. Furthermore, considering that the surface of conventional metal materials is prone to wear after prolonged frictional transmission (such as contact with a rubber pulley), a reinforcing coating is provided on the outer surface of the stepped portion 15 to improve its durability. This reinforcing coating is preferably a ceramic spray coating.

[0024] In one embodiment, the surface of the reinforced coating is further provided with a corrugated pattern or a dotted pattern to increase the contact friction.

[0025] The second segment 14b and the third segment 14c are designed with a height difference around the outer periphery of the roller core 10, which facilitates the assembly of the first and second adhesive rings 20a and 20b. Specifically, at least one fixing hole 21 is provided on the outer periphery of the first and second adhesive rings 20a and 20b, and the fixing hole 21 is used to insert a fastening pin into the side of the second segment 14b and / or the third segment 14c for fixation. A bushing 40 can also be provided between the first and second adhesive rings 20a and 20b and the second and third segments 14b and 14c to adjust the distance between them. Since the adhesive ring 20 is a consumable item due to frictional wear during contact with the packaging paper, this split structure facilitates the disassembly and replacement of the adhesive ring 20.

[0026] Reference Figure 3Multiple sets of glue-applying grooves 30 are evenly distributed around the outer periphery of the glue-applying ring 20, ensuring that the glue-applying ring 20 completes one glue-applying operation every time it rotates a certain angle. Depending on the production cycle, the outer diameter of the glue-applying ring 20, and the application spacing, one or more sets of glue-applying grooves 30 can be provided on the glue-applying ring 20. Each glue-applying groove 30 consists of several glue storage pits 31. Glue is continuously stored in these small pits, so that when the glue-applying groove 30 comes into contact with the packaging paper, the glue is evenly applied to the packaging paper in a dotted pattern. Preferably, the cross-section of the glue storage pit 31 is a 90-degree right-angled triangle (special markings are made at the bottom of the pit in the figure for illustration purposes).

Claims

1. A split-type adhesive coating roller, comprising a roller core and at least one adhesive coating ring sleeved on the roller core, characterized in that, The roller core has a first section, a second section, and a third section with different outer diameters. The first section engages with an external drive wheel, and the second and third sections are used to cooperate with fasteners to fix the glued ring.

2. The split-type glue-applying roller shaft as described in claim 1, characterized in that, The first segment has a stepped structure on one side, and the outer periphery of the stepped structure is provided with a reinforced coating for direct contact with the external drive wheel.

3. A split-type glue-applying roller shaft as described in claim 2, characterized in that, The reinforcing coating is a ceramic coating.

4. A split-type glue-applying roller shaft as described in claim 1, characterized in that, At least one set of adhesive grooves is provided on the outer circumferential surface of the adhesive ring, and the adhesive grooves are arranged circumferentially on the surface of the adhesive ring.

5. A split-type adhesive coating roller shaft as described in claim 4, characterized in that, The glue coating tank is composed of several glue storage pits, and the cross-section of each glue storage pit is a right-angled triangle.

6. A split-type adhesive coating roller shaft as described in any one of claims 1 to 5, characterized in that, The adhesive ring has several fixing holes on its side, and the fixing holes are used in conjunction with the fasteners to fix it laterally to the second segment and / or the third segment through a pin structure.

7. A split-type glue-applying roller shaft as described in claim 6, characterized in that, A bushing is also provided between the adhesive ring and the second segment and / or the third segment.

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