Carton packaging adhesive tape with preheating function

Abstract

The utility model discloses a carton packaging adhesive tape with preheating function, including adhesive tape roll and shell subassembly, the shell subassembly includes upper casing and lower casing, and the upper casing and lower casing enclose the cavity for accommodating the adhesive tape roll, the one side of lower casing extends to form lower installation cavity outward, and the preheating roller and guide roller are installed in lower installation cavity, and the one side of upper casing extends to form upper installation cavity outward, and the pressure roller and cutter subassembly are installed in upper installation cavity, and the adhesive tape roll can rotatable installation in the cavity of shell subassembly, and the adhesive tape one end is introduced from the adhesive tape roll, and in turn passes through preheating roller and guide roller and exports from the front end of shell subassembly, and preheating roller is used for the even heating of adhesive tape on its surface, and the pressure roller is tangent to the rotation connection of guide roller, is used for making adhesive tape adhere on the surface of preheating roller and guide roller, and cutter subassembly is used for cutting off the adhesive tape from guide roller after preheating. The application can overcome the restriction of low temperature environment to adhesive tape tackiness fundamentally, ensure the firmness of sealing box, and greatly reduce the packing breakage risk in the transportation.

Description

Technical Field

[0001] This utility model relates to the field of adhesive tape technology, specifically to a carton sealing adhesive tape with preheating function. Background Technology

[0002] Cardboard box packaging is an indispensable part of logistics, e-commerce, warehousing, and manufacturing, and the reliability of its sealing directly affects the safety of goods during transportation. Currently, pressure-sensitive adhesive tapes, such as BOPP tape and kraft paper tape, are widely used packaging materials. However, these tapes have the following problems in practical applications, especially in low-temperature environments: First, the initial tack of the tape decreases significantly at low temperatures, causing the tape to curl up and fall off after application, making quick adhesion impossible and severely impacting packaging efficiency. Second, traditional packaging procedures are cumbersome, requiring workers to painstakingly find the tape end and rely on external tools such as scissors for cutting each time, a time-consuming and labor-intensive process that further reduces operational efficiency. Utility Model Content

[0003] To solve the above problems, this utility model provides a carton sealing tape with preheating function.

[0004] The technical solution adopted in this utility model is:

[0005] A preheating carton packaging tape includes a tape roll and a housing assembly. The housing assembly includes an upper housing and a lower housing, which together form a cavity for accommodating the tape roll. One side of the lower housing extends outward to form a lower mounting cavity, in which a preheating roller and a guide roller are installed. One side of the upper housing extends outward to form an upper mounting cavity, in which a pressure roller and a cutter assembly are installed. The tape roll is rotatably mounted in the cavity of the housing assembly. One end of the tape is drawn out from the tape roll, passes around the preheating roller and the guide roller in sequence, and is output from the front end of the housing assembly. The preheating roller is used to uniformly heat the tape on its surface. The pressure roller is tangentially and rotatably connected to the guide roller to adhere the tape to the surfaces of the preheating roller and the guide roller. The cutter assembly is used to cut the preheated tape off the guide roller.

[0006] Furthermore, the preheating roller includes a hollow ceramic roller body, the outer surface of which is covered with a heat-resistant rubber layer, and two hollow shaft heads are fixedly connected to its two ends, with an electric heating element disposed inside; the hollow shaft heads are rotatably connected to the two side walls of the lower housing, and at least one end of the electric heating element extends from the hollow shaft head and is electrically connected to a power module through a wire and a conductive slip ring, the power module being embedded in the lower housing.

[0007] Furthermore, the power module includes a battery compartment and a power switch disposed in the power supply circuit; the battery compartment is embedded in the lower housing and is used to house the battery and supply power to the electric heating element.

[0008] Furthermore, the cutter assembly is located outside the pressure roller and directly above the guide roller. It includes a cutter body extending along the length of the guide roller, a pressing strip fixed to the top of the cutter body, and a return spring fitted on the upper end of the cutter body. A guide groove is provided in the lower housing. The cutter assembly is elastically positioned in the guide groove by its return spring. When the pressing strip is pressed, the cutter body moves downward along the guide groove and its blade contacts the surface of the guide roller to cut the tape.

[0009] Furthermore, a notch is provided below the guide groove, and part of the roller body of the pressure roller extends into the notch.

[0010] Furthermore, a semi-circular boss is provided at the center of both the upper and lower housings. A semi-circular hole is opened in the semi-circular boss to form a shaft hole after they are aligned. The upper and lower housings are connected by screws that connect the two semi-circular bosses. A rotating shaft passes through the shaft hole and the core of the tape roll. The rotating shaft is fixedly connected to the core and rotates friably with the shaft hole.

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

[0012] 1. Before applying the tape to the carton, the bonding surface is preheated appropriately and evenly by a preheating roller, ensuring that the tape is in full contact with the carton surface in a tacky state, improving the reliability and durability of the bond; fundamentally overcoming the limitation of tape adhesion in low-temperature environments, ensuring the firmness of the seal, and greatly reducing the risk of packaging damage during transportation.

[0013] 2. Through the synergistic action of the guide roller, pressure roller and cutter, the cut tape can always be held between the guide roller and pressure roller. It can be pulled out directly each time it is used, and cut according to the length to be used by the cutter, which greatly improves the packaging efficiency. Attached Figure Description

[0014] Figure 1 This is a structural diagram of the carton sealing tape of this application.

[0015] Figure 2 for Figure 1 Side view.

[0016] Figure 3 for Figure 1 A magnified view of a portion of the image.

[0017] Figure 4 This is a structural diagram of the preheating roller of this application. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with the accompanying drawings and preferred embodiments.

[0019] See Figures 1-4 A preheating carton packaging tape includes a tape roll 20 and a housing assembly 10. The housing assembly 10 includes an upper housing 11 and a lower housing 12, which form a cavity for accommodating the tape roll. One side of the lower housing 12 extends outward to form a lower mounting cavity, in which a preheating roller 30 and a guide roller 40 are installed. One side of the upper housing 11 extends outward to form an upper mounting cavity, in which a pressure roller 50 and a cutter assembly 60 are installed. The tape roll 20 is rotatably mounted in the cavity of the housing assembly. One end of the tape 21 is drawn out from the tape roll, passes around the preheating roller 30 and the guide roller 40 in sequence, and is output from the front end of the housing assembly. The preheating roller 30 is used to uniformly heat the tape on its surface. The pressure roller 50 is tangentially and rotatably connected to the guide roller 40 to make the tape adhere to the surface of the preheating roller 30 and the guide roller 40. The cutter assembly 60 is used to cut the preheated tape off the guide roller 40.

[0020] In specific implementation, both the upper shell 11 and the lower shell 12 are semi-circular, and each has a semi-circular groove with a diameter adapted to the tape roll inside. The outer surface of each shell protrudes axially outward to form a semi-circular boss, namely the upper boss 111 and the lower boss 121. Each of the two semi-circular bosses has a semi-circular hole at its center. After the upper and lower shells are aligned, the two semi-circular grooves align to form a cavity for accommodating the tape roll, and the two semi-circular holes align to form a shaft hole. A rotating shaft 70 passes through the shaft hole and the core of the tape roll. The rotating shaft 70 is fixedly connected to the core and frictionally rotatably connected to the shaft hole. The rotating shaft 70 drives the tape roll to rotate, thus unwinding the tape. The frictional connection between the rotating shaft and the shaft hole provides damping for the tape unwinding, allowing the tape to adhere to the preheating roller and the pressure roller.

[0021] The upper and lower housings can be made of plastic. Screw holes can be provided on the lower boss 121 and through holes can be provided on the upper boss 111. The upper and lower housings can be connected by screws passing through the upper and lower bosses.

[0022] like Figure 1 and Figure 3 As shown, the front side of the upper housing near its center extends forward to form an upper mounting cavity, and the front side of the lower housing 121 near its center extends forward to form a lower mounting cavity. The pressure roller 50 is rotatably mounted in the upper mounting cavity, with its bottom protruding from the bottom surface of the upper mounting cavity and extending into the lower mounting cavity, tangentially rotatably connected to the guide roller 40. The preheating roller 30 is rotatably mounted in the lower mounting cavity, and the guide roller 40 is rotatably mounted in front of the preheating roller. The tops of both the preheating roller and the guide roller protrude from the top surface of the lower mounting cavity and extend into the upper mounting cavity.

[0023] In this embodiment, the pressure roller 50 is made of a hollow stainless steel roller covered with a rubber layer, and its shaft head can be rotatably connected to the upper housing via a bushing. The guide roller 40 is made of a hollow stainless steel roller covered with a Teflon rubber layer, and its shaft head can be rotatably connected to the lower housing via a bushing. In this embodiment, the guide roller 40 is tangentially rotatably connected to both the preheating roller 30 and the pressure roller 50, with the adhesive side of the tape 21 facing down, passing sequentially around the bottom of the preheating roller 30 and the top of the guide roller 40. The Teflon rubber layer on the guide roller provides an anti-sticking function and has a certain degree of hardness, which facilitates cutting the tape with a cutter.

[0024] The preheating roller 30 includes a hollow ceramic roller body 32, the outer surface of which is covered with a heat-resistant rubber layer 31. Two hollow shaft heads 33 are fixedly connected to both ends of the roller body 32, and an electric heating element 34 is disposed inside the roller body 32. The hollow shaft heads 33 are rotatably connected to the two side walls of the lower housing. One end of the electric heating element 34 extends from the hollow shaft head and is electrically connected to a power module through a wire and a conductive slip ring 35. The power module is embedded in the lower housing.

[0025] In this embodiment, the electric heating element 34 is an electric heating tube, and the power module includes a battery compartment 80 and a power switch disposed in the power supply circuit; the battery compartment is embedded in the lower housing and is used to house the battery and supply power to the electric heating tube. Using ordinary batteries to power the electric heating tube is convenient and low-cost. Furthermore, a temperature control module can be included in the power module to adjust the preheating temperature according to the type of adhesive to achieve the best preheating effect. Alternatively, the preheating temperature can be set to a constant temperature, which allows the tape to be preheated to its initial tack.

[0026] In this embodiment, the cutter assembly 60 is located outside the pressure roller 50 and directly above the guide roller 40. It includes a cutter body extending along the length of the guide roller, a pressing strip fixed to the top of the cutter body, and a return spring fitted onto the upper end of the cutter body. The extended end of the lower housing 11 is a solid structure, with a stepped guide groove vertically formed in the solid structure. The cutter assembly is located within the guide groove, with the cutter body slidingly engaged with the smaller end cavity of the guide groove. The return spring and the pressing strip slidely engaged with the larger end cavity of the guide groove. The upper end of the return spring abuts against the pressing strip, and the lower end abuts against the stepped surface of the guide groove. Pressing the pressing strip causes the cutter body to move downwards along the guide groove, its blade contacting the surface of the guide roller and cutting the tape. Releasing the pressing strip causes the cutter body to return to its initial position under the action of the return spring. Furthermore, a limiting structure can be provided on the cutter body to prevent it from popping out of the guide groove when resetting.

[0027] In this embodiment, a notch is provided below the guide groove, and part of the roller body of the pressure roller 50 extends into the notch. The notch allows the cut tape end to be exposed, making it easy to find during use.

[0028] The method of using this application is as follows:

[0029] First, thread the tape roll 20 onto the rotating shaft 70, then place it together with the rotating shaft into the lower housing 12, so that the adhesive side of one end of the tape 21 faces down and passes over the preheating roller 30 and the guide roller 40 in sequence, then cover it with the upper housing 11 and connect it with screws.

[0030] When in use, after manually pulling the tape to the desired length, press the pressing strip manually. The cutter body moves downward, and the blade is tangential to the roller surface of the guide roller 40, cutting the tape. Alternatively, the tape can be easily torn along the cutting line by hand.

[0031] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications are also within the protection scope of the present utility model.

Claims

1. A carton sealing tape with preheating function, characterized in that, The device includes a tape roll and a housing assembly. The housing assembly includes an upper housing and a lower housing, which together form a cavity for accommodating the tape roll. One side of the lower housing extends outward to form a lower mounting cavity, in which a preheating roller and a guide roller are installed. One side of the upper housing extends outward to form an upper mounting cavity, in which a pressure roller and a cutter assembly are installed. The tape roll is rotatably mounted in the cavity of the housing assembly. One end of the tape is drawn out from the tape roll, passes around the preheating roller and the guide roller in sequence, and is output from the front end of the housing assembly. The preheating roller is used to heat the tape on its surface. The pressure roller is tangentially and rotatably connected to the guide roller to make the tape adhere to the surface of the preheating roller and the guide roller. The cutter assembly is used to cut the preheated tape off the guide roller.

2. The carton sealing tape with preheating function according to claim 1, characterized in that, The preheating roller includes a hollow ceramic roller body, the outer surface of which is covered with a heat-resistant rubber layer. Two hollow shaft heads are fixedly connected to both ends of the roller body, and an electric heating element is installed inside the roller body. The hollow shaft heads are rotatably connected to the two side walls of the lower housing. At least one end of the electric heating element extends from the hollow shaft head and is electrically connected to a power module through a wire and a conductive slip ring. The power module is embedded in the lower housing.

3. The carton sealing tape with preheating function according to claim 2, characterized in that, The power module includes a battery compartment and a power switch disposed in the power supply circuit; the battery compartment is embedded in the lower housing and is used to house the battery and supply power to the electric heating element.

4. The carton sealing tape with preheating function according to claim 1, characterized in that, The cutter assembly is located outside the pressure roller and directly above the guide roller. It includes a cutter body extending along the length of the guide roller, a pressing strip fixed to the top of the cutter body, and a return spring fitted on the upper end of the cutter body. A guide groove is provided in the lower housing. The cutter assembly is elastically positioned in the guide groove by its return spring. When the pressing strip is pressed, the cutter body moves downward along the guide groove and its blade contacts the surface of the guide roller to cut the tape.

5. A carton sealing tape with preheating function according to claim 4, characterized in that, A notch is provided below the guide groove, and part of the roller body of the pressure roller extends into the notch.

6. The carton sealing tape with preheating function according to claim 1, characterized in that, The upper and lower housings are each provided with a semi-circular boss at the center. The semi-circular boss has a semi-circular hole that forms a shaft hole when they are aligned. The upper and lower housings are connected by screws that connect the two semi-circular bosses. A rotating shaft passes through the shaft hole and the core of the tape roll. The rotating shaft is fixedly connected to the core and rotates friably with the shaft hole.

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