Tissue bag opening device based on high and low conveying belts

Abstract

The utility model relates to the related technical field of tissue packaging, in particular to a tissue bag opening device based on high and low conveying belts, which comprises a conveying mechanism, a bag opening mechanism, a bag opening mechanism, a bag opening mechanism and a bag opening mechanism, and the conveying mechanism forms at least two conveying surfaces with different heights in the vertical direction and is used for continuously conveying packaging bags; the bag opening mechanism and the bag opening mechanism are arranged on one side of the conveying mechanism, and after the bag opening mechanism opens a packaging bag opening, the bag opening mechanism is inserted into the packaging bag along the packaging bag opening and used for keeping the packaging bag in an opened state and guiding the tissues; the adjustable bearing mechanism is arranged above the conveying mechanism and right faces the bag opening mechanism, the adjustable bearing mechanism comprises a lateral limiting piece and a bottom bearing piece, when the packaging bag is opened, the tail of the packaging bag can move to the position above the bottom bearing piece through a gap, then during diameter pushing, the bottom bearing piece plays a certain supporting role, and after the packaging bag is opened, the tail of the packaging bag can move to the position above the bottom bearing piece through the gap. And the conveying mechanism can continue conveying, conveying is not needed after packaging is completed, and the packaging efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to paper towel packaging, in particular to a paper towel bag supporting device based on a high and low conveyor belt. Background Art

[0002] Toilet paper is mainly used for people's daily hygiene and is one of the indispensable types of paper for the people. With the continuous advancement of science and technology, the production of toilet paper has been automated and streamlined. Among them, the process of toilet paper bagging has also used a fully automated production line. In the prior art, toilet paper is generally packed with a separate loading platform during the bagging process. This platform often includes a conveyor belt for conveying packaging bags, a bag opening device for opening the packaging bags, a bag holding device for holding the opened packaging bags, and a pusher head for pushing the toilet paper into the packaging bag along the bag holding device. After pushing the toilet paper into the packaging bag along the bag holding device, the pusher head continues to push forward to push the packaging bag filled with toilet paper out of the conveyor belt, and then It then moves back to its original position and waits for the next pushing process. This bagging method is adopted by most factories, but it has a major drawback. When the packaging bag is transported by the conveyor belt to the bag opening device, the entire conveyor belt needs to stop moving forward to ensure that the packaging bag at this location will not continue to move forward and hit the packaging bag being bagged during the subsequent bag supporting, bagging and pushing steps. The conveyor belt will continue to work only after the packaging bag in front is filled with toilet paper and is pushed out of the conveyor belt by the head. The packaging bag at the rear will move with the conveyor belt to the bag opening device and complete the subsequent work. This is to ensure the correct order of the automated assembly line, but this operating mode greatly reduces production efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a paper towel bag holding device based on a high and low conveyor belt to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a paper towel bag-holding device based on a high and low conveyor belt, comprising: a conveying mechanism, which is formed with at least two conveying surfaces with different heights in the vertical direction, and is used to continuously convey the packaging bag; a bag opening mechanism and a bag-holding mechanism are arranged on one side of the conveying mechanism, and after the bag opening mechanism opens the packaging bag opening, the bag-holding mechanism is inserted into the packaging bag along the packaging bag opening, and is used to keep the packaging bag in an opened state and guide the paper towels; it also includes an adjustable receiving mechanism arranged above the conveying mechanism and facing the bag-holding mechanism, comprising a lateral limiter and a bottom receiving member, and the bottom receiving member has two states, one of which is: before the packaging bag is opened, a gap is formed between the bottom receiving members for the packaging bag to move upward; and the other is: after the packaging bag is opened, the bottom receiving member reduces the gap to receive the packaging bag.

[0005] The paper towel bag-supporting device based on high and low conveyor belts as described above: the conveying mechanism includes a first conveyor belt and a second conveyor belt with parallel conveying directions, the conveying surface of the first conveyor belt is higher than the conveying surface of the second conveyor belt, and the first conveyor belt and the second conveyor belt are both installed on a frame.

[0006] The paper towel bag-holding device based on the high-low conveyor belt as described above also includes a pushing device, which includes at least one guide rail, on which a pushing mechanism that can move along the length direction of the guide rail is slidably mounted, and the pushing mechanism is used to push the paper towels along the bag-holding mechanism into the packaging bag.

[0007] The paper towel bag-holding device based on the high and low conveyor belt as described above: the pushing mechanism includes: a support frame, which is slidably connected to the guide rail through a slider fixed thereon; a rocker arm rotatably installed on the support frame, one end of the rocker arm is fixed with a pushing head, and the other end is fixed to the output shaft of the swing motor installed on the support frame.

[0008] The paper towel bag-supporting device based on the high and low conveyor belt as described above also includes a mounting frame arranged on the other side of the conveying mechanism, the mounting frame is used to support a lateral limiter, and the lateral limiter includes: an adjustment frame fixed to the mounting frame and an adjustment member installed on the adjustment frame; two symmetrically arranged side limit plates, and the adjustment member is used to adjust the distance between the two side limit plates.

[0009] The paper towel bag holding device based on the high and low conveyor belt as described above: the adjusting part includes: two first sliding frames slidably mounted on the adjusting frame and respectively fixed to two side limit plates; a bidirectional lead screw rotatably mounted on the adjusting frame, the bidirectional lead screw is threadedly connected to the two first sliding frames, and is used to drive the two first sliding frames to move toward or in opposite directions.

[0010] As described above, in the paper towel bag-supporting device based on the high-low conveyor belt, two rows of bristles are installed on the opposite surfaces of the two side limit plates.

[0011] The paper towel bag-supporting device based on the high and low conveyor belt as described above: the bottom receiving part includes: two second sliding frames slidably mounted on the adjusting frame, and receiving plates are fixed on the two second sliding frames; and also includes an electric push rod mounted on the first sliding frame, and the movable end of the electric push rod is fixed to the second sliding frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: The tail part of the packaging bag is on the low-position conveying surface. When the bag-supporting mechanism moves the supported bag to the high-position conveying surface, the packaging bag on the low-position conveying surface does not interfere with the bag-supporting mechanism. When the bag-supporting mechanism moves to the low-position conveying surface, the tail of the packaging bag is separated from the low-position conveying surface. At this time, the conveying of the next packaging bag can be realized, thereby reducing the conveying interval time of the packaging bag and improving the packaging efficiency.

[0013] After the packaging bag is conveyed to the position of the bag-opening mechanism, the bag-opening mechanism opens the bag mouth of the packaging bag. Subsequently, the bag-supporting mechanism inserts into the packaging bag to open the whole packaging bag, and at the same time realizes the conveying and guiding of the paper towels, avoiding the dislocation or wrinkles of the paper towels during the conveying process. When the packaging bag is opened, the tail of the packaging bag can move to the upper part of the bottom receiving part through the gap. Subsequently, when the diameter is pushed, the bottom receiving part plays a certain supporting role. After the packaging bag is opened, the conveying mechanism can continue to convey without having to convey again after the packaging is completed, effectively improving the packaging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of a paper towel bag-supporting device based on high and low conveyor belts;

[0015] Figure 2 It is a schematic structural diagram of the pushing mechanism in the paper towel bag-supporting device based on high and low conveyor belts;

[0016] Figure 3 It is a schematic structural diagram of the adjustable receiving mechanism and the sealing mechanism in the paper towel bag-supporting device based on high and low conveyor belts;

[0017] Figure 4 It is a schematic structural diagram of the adjustable receiving mechanism in the paper towel bag-supporting device based on high and low conveyor belts;

[0018] Figure 5 It is a schematic structural diagram of the adjustable receiving mechanism in another angle in the paper towel bag-supporting device based on high and low conveyor belts.

[0019] In the figure: 1-frame, 2-first conveyor belt, 3-second conveyor belt, 4-guide rail, 5-pushing mechanism, 501-swing motor, 502-slider, 503-support frame, 504-rocker arm, 505-pushing head, 6-bag-supporting mechanism, 7-bag-opening mechanism, 8-mounting frame, 9-sealing mechanism, 10-side limit plate, 11-receiving plate, 12-adjusting frame, 13-bidirectional lead screw, 14-first sliding frame, 15-brush, 16-electric push rod, 17-second sliding frame, 18-motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

[0021] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0022] In addition, in order to better illustrate the present application, numerous specific details are provided in the specific embodiments below. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, and elements well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

[0023] See also Figures 1 - 5 In an embodiment of the utility model, a paper towel bag holding device based on a high and low conveyor belt includes a conveying mechanism installed on a frame 1, a bag opening mechanism 7 and a bag holding mechanism 6 arranged on one side of the conveying mechanism, and an adjustable receiving mechanism arranged above the conveying mechanism and facing the bag holding mechanism 6.

[0024] The conveying mechanism is formed with at least two conveying surfaces with different heights in the vertical direction, which are used to continuously convey the packaging bags; after the bag opening mechanism 7 opens the packaging bag mouth, the bag holding mechanism 6 is inserted into the packaging bag along the packaging bag mouth, which is used to keep the packaging bag in an opened state and guide the paper towels; the adjustable receiving mechanism includes a lateral limiter and a bottom receiving member, and the bottom receiving member has two states: one is: before the packaging bag is opened, a gap is formed between the bottom receiving members for the packaging bag to move upward; the other is: after the packaging bag is opened, the bottom receiving member reduces the gap to receive the packaging bag.

[0025] In this embodiment, synchronous conveying of the packaging bags is achieved by setting at least two conveying surfaces of different heights. Taking the two conveying surfaces as an example, they are a high-position conveying surface close to the bag opening mechanism 7 and a low-position conveying surface far away from the bag opening mechanism 7. The tail of the packaging bag is on the low-position conveying surface. When the bag-supporting mechanism 6 moves to the high-position conveying surface, the packaging bag on the bottom conveying surface does not interfere with the bag-supporting mechanism 6. When the bag-supporting mechanism 6 moves to the low-position conveying surface, the tail of the packaging bag is separated from the low-position conveying surface. At this time, the next packaging bag can be conveyed, thereby reducing the conveying interval time of the packaging bag, thereby improving the packaging efficiency.

[0026] In detail, the bag-stretching mechanism 6 moves to the middle of the packaging bag, and the tail of the bag is stretched open and tilted to a certain extent (tilted toward the tail of the bag along the bag opening direction) or moves upward, thereby leaving the low-position conveying surface.

[0027] Meanwhile, after the packaging bag is conveyed to the position of the bag opening mechanism 7, the bag opening mechanism 7 opens the bag opening of the packaging bag. Subsequently, the bag supporting mechanism 6 inserts into the packaging bag to expand the whole packaging bag, and at the same time realizes the conveying and guiding of the paper towels, avoiding the dislocation or wrinkles of the paper towels during the conveying process. When the packaging bag is expanded, the tail of the packaging bag can move to above the bottom receiving part through the gap. Subsequently, during the diameter pushing, the bottom receiving part plays a certain supporting role. After the packaging bag is expanded, the conveying mechanism can continue to convey without the need to convey again after the packaging is completed, effectively improving the packaging efficiency.

[0028] Specifically, the conveying mechanism includes a first conveyor belt 2 and a second conveyor belt 3 with parallel conveying directions. The conveying surface of the first conveyor belt 2 is higher than that of the second conveyor belt 3, and both the first conveyor belt 2 and the second conveyor belt 3 are installed on the frame 1.

[0029] In the present utility model, the paper towel bag supporting device based on high and low conveyor belts further includes a pushing device. The pushing device includes at least one guide rail 4, and a pushing mechanism 5 that is slidably installed on the guide rail 4 and can move along the length direction of the guide rail 4. The pushing mechanism 5 is used to push the paper towels into the packaging bag along the bag supporting mechanism 6.

[0030] Preferably, two guide rails 4 are provided, and two pushing mechanisms 5 are synchronously provided. Thus, the two pushing mechanisms 5 can be alternately used according to requirements, ensuring that when one pushing mechanism 5 is pushing the paper towels, the other pushing mechanism 5 can be reset and prepared, realizing continuous operation, avoiding the packaging interruption caused by the reset of the pushing mechanism 5, and further improving the fluency and efficiency of the overall packaging process.

[0031] Exemplarily, in one implementation manner, please refer to Figure 2 , the pushing mechanism 5 includes: a support frame 503, which is slidably connected to the guide rail 4 through a slider 502 fixed thereon; a rocker arm 504 rotatably installed on the support frame 503. One end of the rocker arm 504 is fixed with a push head 505, and the other end is fixed to the output shaft of a swing motor 501 installed on the support frame 503.

[0032] The support frame 503 can be driven to move by a linear drive or other drive methods, as long as the drive requirements are met. This embodiment does not make specific limitations on this.

[0033] When the swing motor 501 drives the rocker arm 504 to rotate, the push head 505 can be driven to rotate. Thus, when one pushing mechanism 5 is reset, the push head 505 is lifted to eliminate the interference caused to the movement of the other push head 505, thereby meeting the alternating actions of the two pushing mechanisms 5.

[0034] Furthermore, please refer toFigure 1 , Figures 3 - 5 , further comprising a mounting bracket 8 provided on the other side of the conveying mechanism, the mounting bracket 8 being used to support the lateral limiting member, and a sealing mechanism 9 for sealing the packaging bag containing the packaged tissue is also mounted on the mounting bracket 8.

[0035] The lateral limiting member includes: an adjusting bracket 12 fixed to the mounting bracket 8 and an adjusting member mounted on the adjusting bracket 12; two symmetrically arranged side limiting plates 10, and the adjusting member is used to adjust the distance between the two side limiting plates 10.

[0036] Exemplarily, in one implementation, the adjusting member includes: two first sliding brackets 14 respectively fixed to the two side limiting plates 10 and slidably mounted on the adjusting bracket 12; a bidirectional lead screw 13 rotatably mounted on the adjusting bracket 12, and the bidirectional lead screw 13 is threadedly connected to the two first sliding brackets 14 and is used to drive the two first sliding brackets 14 to move towards each other or in opposite directions.

[0037] The bidirectional lead screw 13 is driven to rotate by a motor 18 mounted on the adjusting bracket 12. Of course, in the specific implementation process, a handwheel can also be installed at the end of the bidirectional lead screw 13 to manually drive the rotation of the bidirectional lead screw 13, which can be specifically selected according to the usage requirements, and this embodiment does not make specific limitations in this regard.

[0038] The bidirectional lead screw 13 rotates to adjust the distance between the two first sliding brackets 14, thereby changing the distance between the two side limiting plates 10 to adapt to the packaging requirements of tissues of different sizes. By adjusting the distance between the two side limiting plates 10, it can be ensured that the tissues are stably limited during the packaging process, avoiding displacement or deformation.

[0039] Preferably, two rows of bristles 15 are mounted on the opposite surfaces of the two side limiting plates 10. When the tissue is pushed into the packaging bag, the bristles 15 can produce soft contact with the packaging bag, increasing the friction between the packaging bag and the side limiting plates 10 and preventing the packaging bag from detaching from the bag supporting mechanism 6 when the tissue is pushed in.

[0040] Further, please refer to Figures 3 - 5 , the bottom bearing member includes: two second sliding brackets 17 slidably mounted on the adjusting bracket 12, and a bearing plate 11 is fixed on each of the two second sliding brackets 17; an electric push rod 16 mounted on the first sliding bracket 14 is also included, and the movable end of the electric push rod 16 is fixed to the second sliding bracket 17.

[0041] When adjusting the distance between the two side limiting plates 10, the distance between the two bearing plates 11 is adjusted. The provided electric push rod 16 can further adjust the distance between the two bearing plates 11, thereby meeting the gap adjustment of the bearing plate 11 described above.

[0042] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0043] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A paper towel bag support device based on high and low conveyor belts, characterized in that, include: A conveying mechanism is provided with at least two conveying surfaces of different heights in the vertical direction, and is used for continuously conveying packaging bags; a bag opening mechanism (7) and a bag holding mechanism (6) are arranged on one side of the conveying mechanism, and after the bag opening mechanism (7) opens the packaging bag opening, the bag holding mechanism (6) is inserted into the packaging bag along the packaging bag opening, and is used for maintaining the packaging bag in an open state and guiding the paper towels; and also includes an adjustable receiving mechanism arranged above the conveying mechanism and facing the bag holding mechanism (6), and includes a lateral limiting member and a bottom receiving member, and the bottom receiving member has two states, one of which is that before the packaging bag is opened, a gap is formed between the bottom receiving members for the packaging bag to move upward; Second, after the packaging bag is expanded, the bottom receiving member reduces the gap to receive the packaging bag.

2. The paper towel bag supporting device based on high and low conveyor belts according to claim 1, wherein, The conveying mechanism comprises a first conveying belt (2) and a second conveying belt (3) having parallel conveying directions; the conveying surface of the first conveying belt (2) is higher than the conveying surface of the second conveying belt (3); and the first conveying belt (2) and the second conveying belt (3) are both mounted on a frame (1).

3. The paper towel bag supporting device based on high and low conveyor belts according to claim 1, characterized in that, It also comprises a pushing device, the pushing device comprising at least one guide rail (4), a pushing mechanism (5) being slidably mounted on the guide rail (4) and being movable along the length direction of the guide rail (4), the pushing mechanism (5) being used to push the paper towels along the bag-supporting mechanism (6) into the packaging bag.

4. A paper towel bag supporting device based on high and low conveyor belts according to claim 3, characterized in that, The pushing mechanism (5) comprises: a support frame (503) slidably connected to the guide rail (4) via a slider (502) fixed thereon; and a rocker arm (504) rotatably mounted on the support frame (503), wherein a pushing head (505) is fixed at one end of the rocker arm (504) and the other end is fixed to an output shaft of a swing motor (501) mounted on the support frame (503).

5. A paper towel bag support device based on high and low conveyor belts according to claim 1, characterized in that, It also includes a mounting frame (8) arranged on the other side of the conveying mechanism, the mounting frame (8) being used to support a lateral limiter, the lateral limiter comprising: an adjustment frame (12) fixed to the mounting frame (8) and an adjustment member installed on the adjustment frame (12); and two symmetrically arranged side limit plates (10), the adjustment member being used to adjust the distance between the two side limit plates (10).

6. The paper towel bag support device based on high and low conveyor belts according to claim 5, characterized in that, The adjusting member comprises: two first sliding frames (14) slidably mounted on the adjusting frame (12) and respectively fixed to two side limit plates (10); and a bidirectional lead screw (13) rotatably mounted on the adjusting frame (12), the bidirectional lead screw (13) being threadedly connected to the two first sliding frames (14) and used for driving the two first sliding frames (14) to move towards or in opposite directions.

7. The paper towel bag supporting device based on high and low conveyor belts according to claim 5, characterized in that, Two rows of bristles (15) are installed on the opposite surfaces of the two side limit plates (10).

8. A paper towel bag support device based on high and low conveyor belts according to claim 6, characterized in that, The bottom receiving member comprises: two second sliding frames (17) slidably mounted on the adjustment frame (12), and receiving plates (11) are fixed to the two second sliding frames (17); and an electric push rod (16) mounted on the first sliding frame (14), and a movable end of the electric push rod (16) is fixed to the second sliding frame (17).

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