Carton sealing machine with adjustable adhesive tape tension

By designing a carton sealing machine with adjustable tape tension, and utilizing a combination of limiting and adjusting components, the problem of uneven tape adhesion was solved. This enabled flexible adjustment of tape tension and convenient replacement of friction components, thereby improving the working efficiency of the carton sealing machine.

CN224061335UActive Publication Date: 2026-03-31RING PACK PACKAGING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing carton sealing machines are prone to tape application that is too tight or too loose, affecting the sealing effect. Furthermore, the worn rubber from friction is difficult to observe and replace.

Method used

A carton sealing machine with adjustable tape tension was designed. The tape tension can be adjusted and observed through the combination of limiting components, sealing components, pasting components, displacement components and adjustment components. The machine includes the coordinated use of sliding seats, rollers, motors, guide rollers, friction rollers and adjustment components.

Benefits of technology

It enables flexible adjustment of tape tension, facilitates observation and replacement of friction components, and improves sealing effect and work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a carton sealing machine with adjustable adhesive tape tensile force, and relates to the technical field of carton sealing machines. The carton pasting device comprises a rack, a limiting assembly and a cover sealing assembly are arranged on the outer surface of the rack, a pasting assembly is arranged on the side face of the cover sealing assembly, a displacement assembly and an adjusting assembly are arranged on the outer surface of the pasting assembly, the limiting assembly is used for limiting a carton on the rack, and the cover sealing assembly is used for buckling a carton cover of the carton. Through connection of the pasting assembly and the adjusting assembly, when the adjusting assembly is attached to the pasting assembly, the rotating resistance of the adhesive tape roll on the pasting assembly can be increased, so that the adhesive tape is tightened, when the adjusting assembly is far away from the pasting assembly, the rotating resistance of the adhesive tape roll on the pasting assembly is reduced, and at the moment, the adhesive tape is loose; the adjusting assembly is located on the outer side of the pasting assembly, the pasting assembly does not need to be detached, and workers can conveniently observe the loss condition of the adjusting assembly at any time and replace the adjusting assembly according to the loss condition.
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Description

Technical Field

[0001] This utility model belongs to the field of carton sealing machine technology, and specifically relates to a carton sealing machine with adjustable tape tension. Background Technology

[0002] A carton sealing machine is a machine used to package and seal cartons. It increases the speed of carton sealing, reduces the workload and labor intensity of workers, and unwinds the tape to adhere it to the seal of the carton.

[0003] Chinese patent CN215044236U discloses a tape tension adjustment mechanism for a carton sealing machine, relating to the field of carton sealing machine technology. The tape tension adjustment mechanism includes a worktable, with storage platforms fixedly installed on both the left and right sides of the worktable. Support legs are fixedly installed around the bottom of the worktable. Clamping rollers are fixedly connected to the top and bottom of the worktable. Sliding wheels are fixedly installed on both the left and right sides of one side of each clamping roller. A second lifting column is fixedly installed on the front of the worktable, and a first lifting column is fixedly installed on the back of the worktable.

[0004] Existing carton sealing machines are prone to issues during the carton sealing process, such as the tape being applied too tightly or too loosely, resulting in poor sealing and affecting the machine's sealing effectiveness. In the aforementioned document, the friction rubber inside the friction device can adjust the contact shaft as the rocker arm rotates, increasing friction on the shaft and thus increasing resistance as the tape rotates, resulting in a tighter bond between the tape and the carton. However, the friction rubber wears down after prolonged use and requires replacement. Since the friction rubber is located inside the fixed sleeve, it is inconvenient for operators to observe its wear and tear or to replace it.

[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0006] In view of the problems in the related technologies, this utility model proposes a carton sealing machine with adjustable tape tension to overcome the above-mentioned technical problems existing in the existing related technologies.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0008] This utility model relates to a carton sealing machine with adjustable tape tension, comprising a frame. A limiting component and a sealing component are provided on the outer surface of the frame. An adhesive component is provided on the side of the sealing component. A displacement component and an adjustment component are provided on the outer surface of the adhesive component. The limiting component is used to limit the position of the carton on the frame. The sealing component is used to fasten the carton lid. The adhesive component is used to adhere tape to the carton lid. The displacement component is used to move the adjustment component. The adjustment component is used to adjust the tension of the tape on the adhesive component.

[0009] Furthermore, the limiting component includes a sliding seat, which is slidably connected to the frame. A roller is rotatably connected inside the sliding seat, and a conveyor belt is provided on the outer surface of the roller. A connecting column is fixedly connected to the bottom of the sliding seat, and a motor is fixedly connected to the lower end of the connecting column. The output shaft of the motor passes through the connecting column and is fixedly connected to the roller.

[0010] Furthermore, the sealing assembly includes a cantilever, which is fixedly connected to the frame. An electric push rod is hinged to the outer surface of the cantilever, and a rotating plate is hinged to the movable end of the electric push rod. The rotating plate is rotatably connected to the cantilever, and a lever frame is fixedly connected to the outer surface of the rotating plate. A pressure plate is fixedly installed at the bottom of the cantilever, and a round rod is fixedly installed on the outer surface of the frame.

[0011] Furthermore, the adhesive assembly includes a fixing frame, which is fixedly installed on the outside of the machine frame. A first guide roller, a second guide roller, and a third guide roller are rotatably connected to the outer surface of the fixing frame. A vertical frame is fixedly installed on the outer surface of the fixing frame. A rotating shaft is rotatably connected to the outer surface of the vertical frame. A first baffle, a rotating roller, and a friction roller are fixedly connected to the outer surface of the rotating shaft. A bolt is threaded to the end of the rotating shaft. A second baffle is fixedly installed on the rotating shaft by the bolt.

[0012] Furthermore, the displacement assembly includes a first fixed plate and a second fixed plate, both of which are fixedly connected to the upright frame. A screw is rotatably connected to the top of the first fixed plate, and the screw is rotatably connected to the second fixed plate. A handwheel is fixedly connected to the upper end of the screw, and a slider is threadedly connected to the outer surface of the screw. A sliding groove is formed on the outer surface of the upright frame, and the slider is slidably connected to the sliding groove.

[0013] Furthermore, the adjustment assembly includes a fixed cylinder, which is fixedly connected to the top of the slider. A limit plate and a sliding rod are slidably connected inside the fixed cylinder. The sliding rod is fixedly connected to the top of the limit plate. A spring is fixedly connected to the bottom of the limit plate. A friction seat is fixedly connected to the upper end of the sliding rod.

[0014] Furthermore, casters are fixedly installed at the bottom of the frame.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model connects the adhesive component and the adjusting component. When the adjusting component is attached to the adhesive component, it can increase the rotational resistance of the tape roll on the adhesive component, making the tape taut. When the adjusting component is away from the adhesive component, the rotational resistance of the tape roll on the adhesive component decreases, and the tape is relatively loose. The adjusting component is located on the outside of the adhesive component, so there is no need to disassemble the adhesive component. This makes it convenient for staff to observe the wear and tear of the adjusting component at any time and replace it according to the wear and tear.

[0017] 2. This utility model uses the connection between a slider and a fixed cylinder. The slider drives the fixed cylinder to move, and the fixed cylinder drives the spring and sliding rod to push the friction seat to move, so that the friction seat contacts the friction roller. The different heights of the slider movement result in different degrees of compression of the spring. At this time, the pressure applied by the spring to the friction seat on the friction roller is also different, thus making the tape exhibit different degrees of tightness.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the utility model embodiments, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the external contour structure of the present invention. Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the external contour structure of the present invention. Figure 2 ;

[0022] Figure 3 For the present utility model Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0023] Figure 4 This is a schematic diagram of the adhesive component structure of this utility model;

[0024] Figure 5 For the present utility model Figure 2 Enlarged schematic diagram of the structure at point B;

[0025] Figure 6 This is a schematic cross-sectional view of the rotating roller of this utility model;

[0026] Figure 7 This is a cross-sectional view of the fixed cylinder structure of this utility model.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Frame; 2. Limiting assembly; 201. Sliding seat; 202. Roller; 203. Conveyor belt; 204. Connecting column; 205. Motor; 3. Covering assembly; 301. Cantilever; 302. Electric push rod; 303. Rotating plate; 304. Lever frame; 305. Pressure plate; 306. Round rod; 4. Adhesive assembly; 401. Fixing frame; 402. First guide roller; 403. Second guide roller; 404. Third guide roller; 405. Vertical frame; 4 06. Rotating shaft; 407. First baffle; 408. Rotating roller; 409. Friction roller; 410. Bolt; 411. Second baffle; 5. Displacement assembly; 501. First fixing plate; 502. Second fixing plate; 503. Screw; 504. Handwheel; 505. Slider; 506. Slide groove; 6. Adjustment assembly; 601. Fixed cylinder; 602. Limiting plate; 603. Sliding rod; 604. Spring; 605. Friction seat; 7. Universal wheel. Detailed Implementation

[0029] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0030] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0031] Please see Figures 1-7 As shown, this utility model is a carton sealing machine with adjustable tape tension, including a frame 1. The outer surface of the frame 1 is provided with a limiting component 2 and a sealing component 3. The side of the sealing component 3 is provided with an adhesive component 4. The outer surface of the adhesive component 4 is provided with a displacement component 5 and an adjustment component 6. The limiting component 2 is used to limit the carton on the frame 1. The sealing component 3 is used to fasten the lid of the carton. The adhesive component 4 is used to stick the tape to the lid of the carton. The displacement component 5 is used to drive the adjustment component 6 to move. The adjustment component 6 is used to adjust the tension of the tape on the adhesive component 4.

[0032] After the tape roll is loaded onto the adhesive assembly 4, the carton moves along the limiting assembly 2 on the frame 1. During the movement, the sealing assembly 3 on the frame 1 closes the carton lid, and the adhesive assembly 4 behind the sealing assembly 3 adheres the tape to the carton lid to complete the sealing. When it is necessary to adjust the tension of the tape on the adhesive assembly 4, the displacement assembly 5 drives the adjustment assembly 6 to move on the adhesive assembly 4, so that the adjustment assembly 6 applies resistance to the rotation of the tape roll on the adhesive assembly 4, which can tighten the tape. When the adjustment assembly 6 moves away from the adhesive assembly 4, the tape can be loosened, thus realizing the adjustment of the tape tension.

[0033] This invention connects the adhesive component 4 and the adjusting component 6. When the adjusting component 6 is attached to the adhesive component 4, it increases the rotational resistance of the tape roll on the adhesive component 4, making the tape taut. When the adjusting component 6 is away from the adhesive component 4, the rotational resistance of the tape roll on the adhesive component 4 decreases, and the tape becomes looser. The adjusting component 6 is located on the outside of the adhesive component 4, so there is no need to disassemble the adhesive component 4. This makes it convenient for staff to observe the wear and tear of the adjusting component 6 at any time and replace it according to the wear and tear.

[0034] In one embodiment, the limiting component 2 includes a sliding seat 201, which is slidably connected to the frame 1. A roller 202 is rotatably connected inside the sliding seat 201. A conveyor belt 203 is provided on the outer surface of the roller 202. A connecting column 204 is fixedly connected to the bottom of the sliding seat 201. A motor 205 is fixedly connected to the lower end of the connecting column 204. The output shaft of the motor 205 passes through the connecting column 204 and is fixedly connected to the roller 202.

[0035] Start the motor 205. The output shaft of the motor 205 drives the roller 202 to rotate. The roller 202 drives the conveyor belt 203 to rotate. Place the carton between the two sets of sliding seats 201. The conveyor belt 203 on the two sets of sliding seats 201 can drive the carton to move along the frame 1.

[0036] In one embodiment, the sealing assembly 3 includes a cantilever 301, which is fixedly connected to the frame 1. An electric push rod 302 is hinged to the outer surface of the cantilever 301. A rotating plate 303 is hinged to the movable end of the electric push rod 302. The rotating plate 303 is rotatably connected to the cantilever 301. A lever frame 304 is fixedly connected to the outer surface of the rotating plate 303. A pressure plate 305 is fixedly installed at the bottom of the cantilever 301. A round rod 306 is fixedly installed on the outer surface of the frame 1.

[0037] During the movement of the carton, it comes into contact with the pressure plate 305. The electric push rod 302 is activated so that its movable end pushes the rotating plate 303 and the lever frame 304 to rotate. At this time, the pressure plate 305 and the lever frame 304 can flatten the shorter cardboard on the carton. Then the carton continues to move, and the two sets of round rods 306 flatten the longer cardboard to achieve the locking of the carton lid.

[0038] In one embodiment, the adhesive assembly 4 includes a fixing frame 401, which is fixedly installed on the outside of the frame 1. A first guide roller 402, a second guide roller 403, and a third guide roller 404 are rotatably connected to the outer surface of the fixing frame 401. A vertical frame 405 is fixedly installed on the outer surface of the fixing frame 401. A rotating shaft 406 is rotatably connected to the outer surface of the vertical frame 405. A first baffle 407, a rotating roller 408, and a friction roller 409 are fixedly connected to the outer surface of the rotating shaft 406. A bolt 410 is threadedly connected to the end of the rotating shaft 406. A second baffle 411 is fixedly installed on the rotating shaft 406 by the bolt 410.

[0039] Rotate bolt 410 to separate it from shaft 406. At this time, the limiting fixation of second baffle 411 can be released. After removing second baffle 411, tape roll can be loaded onto roller 408. Then, second baffle 411 and bolt 410 are reinstalled. First baffle 407 and second baffle 411 can limit tape roll. Tape is pulled out from tape roll and passes around first guide roller 402, second guide roller 403 and third guide roller 404. When the carton passes under third guide roller 404, third guide roller 404 presses tape onto the carton. As the carton moves, tape is continuously stretched and tape roll, roller 408 and shaft 406 rotate, finally sealing the carton.

[0040] In one embodiment, the displacement component 5 includes a first fixing plate 501 and a second fixing plate 502. Both the first fixing plate 501 and the second fixing plate 502 are fixedly connected to the upright 405. A screw 503 is rotatably connected to the top of the first fixing plate 501. The screw 503 is rotatably connected to the second fixing plate 502. A handwheel 504 is fixedly connected to the upper end of the screw 503. A slider 505 is threadedly connected to the outer surface of the screw 503. A groove 506 is provided on the outer surface of the upright 405. The slider 505 is slidably connected to the groove 506.

[0041] Rotate the handwheel 504, which drives the screw 503 to rotate. The rotational tendency of the slider 505 on the screw 503 is blocked by the slide groove 506. At this time, the screw 503 can drive the slider 505 to move along the slide groove 506. The first fixing plate 501 and the second fixing plate 502 are both used to support the screw 503.

[0042] In one embodiment, the adjustment component 6 includes a fixed cylinder 601, which is fixedly connected to the top of the slider 505. A limit plate 602 and a sliding rod 603 are slidably connected inside the fixed cylinder 601. The sliding rod 603 is fixedly connected to the top of the limit plate 602. A spring 604 is fixedly connected to the bottom of the limit plate 602. A friction seat 605 is fixedly connected to the upper end of the sliding rod 603.

[0043] The slider 505 drives the fixed cylinder 601 to move, which in turn pushes the spring 604 and the sliding rod 603 upward. The friction seat 605 on the sliding rod 603 contacts the friction roller 409, which increases the friction force when the shaft 406 and the tape roll rotate, thus tightening the tape. The different heights to which the slider 505 moves result in different degrees of compression of the spring 604. At this time, the pressure exerted by the spring 604 on the friction seat 605 on the friction roller 409 is also different, thus making the tape exhibit different degrees of tightness.

[0044] In one embodiment, for the frame 1 described above, a caster wheel 7 is fixedly installed at the bottom of the frame 1.

[0045] There are multiple sets of casters 7, which can be used to move the frame 1, making it easy to adjust the position of the frame 1.

[0046] Through the above technical solutions, 1. By connecting the adhesive component 4 and the adjusting component 6, when the adjusting component 6 is attached to the adhesive component 4, the rotational resistance of the tape roll on the adhesive component 4 can be increased, making the tape taut. When the adjusting component 6 is away from the adhesive component 4, the rotational resistance of the tape roll on the adhesive component 4 decreases, and the tape is relatively loose. The adjusting component 6 is located on the outside of the adhesive component 4, so there is no need to disassemble the adhesive component 4, which makes it convenient for staff to observe the wear and tear of the adjusting component 6 at any time and replace it according to the wear and tear. 2. By connecting the slider 505 and the fixed cylinder 601, the slider 505 drives the fixed cylinder 601 to move. The fixed cylinder 601 drives the spring 604 and the sliding rod 603 and pushes the friction seat 605 to move, so that the friction seat 605 contacts the friction roller 409. The different heights of the slider 505 movement result in different degrees of compression of the spring 604. At this time, the spring 604 pushes the friction seat 605 to apply different pressures to the friction roller 409, so that the tape can have different degrees of tightness.

[0047] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0048] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An envelope sealing machine with adjustable tape tension, comprising a frame (1), characterized in that, The outer surface of the frame (1) is provided with a limiting assembly (2) and a cover assembly (3), the side surface of the cover assembly (3) is provided with a sticking assembly (4), the outer surface of the sticking assembly (4) is provided with a displacement assembly (5) and an adjusting assembly (6), the limiting assembly (2) is used for limiting the carton on the frame (1), the cover assembly (3) is used for buckling the box cover of the carton, the sticking assembly (4) is used for sticking the adhesive tape on the carton box cover, the displacement assembly (5) is used for driving the adjusting assembly (6) to move, and the adjusting assembly (6) is used for adjusting the tension of the adhesive tape on the sticking assembly (4).

2. The sealing machine with adjustable adhesive tape tension according to claim 1, characterized in that, The limiting assembly (2) comprises a sliding seat (201), the sliding seat (201) is in sliding connection with the frame (1), a roller (202) is rotatably connected to the inside of the sliding seat (201), the outer surface of the roller (202) is provided with a conveying belt (203), the bottom of the sliding seat (201) is fixedly connected with a connecting column (204), the lower end of the connecting column (204) is fixedly connected with a motor (205), and the output shaft of the motor (205) is fixedly connected with the roller (202) through the connecting column (204).

3. The sealing machine with adjustable adhesive tape tension according to claim 2, characterized in that, The cover assembly (3) comprises a cantilever (301), the cantilever (301) is fixedly connected with the frame (1), the outer surface of the cantilever (301) is hinged with an electric push rod (302), the movable end of the electric push rod (302) is hinged with a rotating plate (303), the rotating plate (303) is rotatably connected with the cantilever (301), the outer surface of the rotating plate (303) is fixedly connected with a push rod holder (304), the bottom of the cantilever (301) is fixedly installed with a pressing plate (305), and the outer surface of the frame (1) is fixedly installed with a round rod (306).

4. The box sealing machine with adjustable adhesive tape tension according to claim 3, characterized in that, The sticking assembly (4) comprises a fixed frame (401), the fixed frame (401) is fixedly installed on the outer surface of the frame (1), the outer surface of the fixed frame (401) is rotatably connected with a first guide roller (402), a second guide roller (403) and a third guide roller (404) respectively, the outer surface of the fixed frame (401) is fixedly installed with a stand (405), the outer surface of the stand (405) is rotatably connected with a rotating shaft (406), the outer surface of the rotating shaft (406) is fixedly connected with a first baffle (407), a rotating roller (408) and a friction roller (409) respectively, the end of the rotating shaft (406) is threadedly connected with a bolt (410), and the rotating shaft (406) is fixedly installed with a second baffle (411) through the bolt (410).

5. The sealing machine with adjustable adhesive tape tension according to claim 4, characterized in that, The displacement assembly (5) comprises a first fixed plate (501) and a second fixed plate (502), the first fixed plate (501) and the second fixed plate (502) are fixedly connected with the stand (405), the top of the first fixed plate (501) is rotatably connected with a screw rod (503), the screw rod (503) is rotatably connected with the second fixed plate (502), the upper end of the screw rod (503) is fixedly connected with a hand wheel (504), the outer surface of the screw rod (503) is threadedly connected with a sliding block (505), and the outer surface of the stand (405) is provided with a sliding groove (506); the sliding block (505) is slidably connected with the sliding groove (506).

6. The box sealing machine with adjustable adhesive tape tension according to claim 5, characterized in that, The adjusting assembly (6) comprises a fixed cylinder (601), the fixed cylinder (601) is fixedly connected at the top of the sliding block (505), the inner portion of the fixed cylinder (601) is slidably connected with a limiting plate (602) and a sliding rod (603), the sliding rod (603) is fixedly connected at the top of the limiting plate (602), the bottom of the limiting plate (602) is fixedly connected with a spring (604), and the upper end of the sliding rod (603) is fixedly connected with a friction seat (605).

7. The box sealing machine with adjustable adhesive tape tension according to claim 6, characterized in that, The bottom of the rack (1) is fixedly installed with universal wheels (7).

Citation Information

Patent Citations

  • A tape tension adjustment mechanism for a carton sealing machine

    CN215044236U