Horizontal edge sealing paper roll alternate supply device

Abstract

The utility model discloses a horizontal edge sealing paper roll alternate supply device in the technical field of gypsum board edge sealing, which comprises a rotating shaft, a paper roll feeding device, a paper roll feeding device, a paper roll feeding device and a paper roll feeding device, the shaft rods are parallel to the rotating shaft and used for placing edge sealing paper rolls, the number of the shaft rods in the circumferential direction of the rotating shaft is at least two, and all the shaft rods are fixedly installed on the rotating shaft through connecting plates; the push disc is arranged outside the shaft rod in a sleeving manner and is used for pushing an edge sealing paper roll; the material pushing driver is used for pushing the pushing disc on the used shaft rod to move along the shaft rod; and the rotary driver is used for driving the rotating shaft to rotate, so that the shaft lever which is used up for the edge sealing paper roll and the shaft lever which is filled with the edge sealing paper roll are alternately changed.

Description

Technical Field

[0001] The utility model relates to the technical field of gypsum board edge sealing, in particular to a horizontal edge sealing paper roll alternating supply device. Background Art

[0002] In the process of using the existing gypsum board edge sealing paper roll, generally, the edge sealing paper roll is installed on a rotatable mounting bracket. The structure of the mounting bracket is relatively simple and generally can only install one edge sealing paper roll. After each edge sealing paper roll is used up, it is necessary to manually stop the machine to install a new edge sealing paper roll on the mounting bracket, which not only delays production but also has a high frequency of installing the paper roll.

[0003] CN202211700020 discloses a lifting type supply device for edge sealing paper rolls, which can store multiple edge sealing paper rolls at the same time and supply the edge sealing paper rolls in sequence. At the same time, it ensures that the stored edge sealing paper rolls, the edge sealing paper roll in use, and the used-up edge sealing paper rolls do not affect each other.

[0004] However, there are also some deficiencies. For example, only one shaft rod is provided. When the edge sealing paper roll is used up, it is necessary to stop the machine to reload the edge sealing paper roll on the shaft rod, which reduces the production efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a horizontal edge sealing paper roll alternating supply device to solve the technical problem that in the prior art, the edge sealing paper roll supply device is provided with one shaft rod, and when the edge sealing paper roll is used up, it is necessary to stop the machine to reload the edge sealing paper roll on the shaft rod, which reduces the production efficiency.

[0006] To solve the above technical problem, the utility model specifically provides a horizontal edge sealing paper roll alternating supply device, including:

[0007] A rotating shaft, horizontally disposed and rotatably connected to the vertical plate of the frame at its end;

[0008] Shaft rods, arranged parallel to the rotating shaft and used for placing edge sealing paper rolls. At least two shaft rods are provided in the circumferential direction of the rotating shaft, and all the shaft rods are fixedly installed on the rotating shaft through a connecting plate;

[0009] A push plate, sleeved outside the shaft rod and used for pushing the edge sealing paper roll;

[0010] One push material driver, used for pushing the push plate on the shaft rod in use to move along the shaft rod;

[0011] A rotation driver, used for driving the rotation of the rotating shaft so that the shaft rod with the used-up edge sealing paper roll and the shaft rod filled with the edge sealing paper roll are alternately replaced.

[0012] As a preferred solution of the utility model, the rotary driver includes a motor, a small gear and a large gear;

[0013] The small gear is fixedly mounted on the output end of the motor, the large gear is fixedly mounted on the rotating shaft, and the large gear and the small gear are connected through a chain transmission.

[0014] As a preferred solution of the utility model, the interior of the shaft is set to be hollow, and the shaft is sequentially provided with a push plate, a first limiting structure, a station bearing and a second limiting structure;

[0015] The area between the first limiting structure and the second limiting structure is a working area for placing edge-sealing paper rolls in use, and the area between the first limiting structure and the push plate is a storage area for storing edge-sealing paper rolls to be used;

[0016] The first limiting structure can be pushed out of the shaft to separate the edge-sealing paper roll in use from the edge-sealing paper roll to be used, or can be retracted into the shaft to allow the edge-sealing paper roll to be used to enter the working area;

[0017] The second limiting structure can be pushed out of the shaft to constrain the edge-sealing paper roll in use within the working area, or can be retracted into the shaft to allow the used edge-sealing paper roll to leave the working area;

[0018] The pushing drive is used to push the pushing plate to slide along the shaft rod so as to push the edge-sealing paper roll to be used into the working area and to move the used edge-sealing paper roll in the working area out of the working area.

[0019] As a preferred solution of the utility model, a lifting driver is installed in the cavity of the shaft rod, and the lifting driver is used to drive the first limiting structure and the second limiting structure to move outwardly to protrude from the shaft rod or move inwardly to be retracted into the shaft rod.

[0020] As a preferred solution of the utility model, the first limiting structure includes a first partition plate, and the first partition plate is slidably connected to a first slot hole provided on the shaft;

[0021] The lifting drive is connected to the first partition plate and can drive the first partition plate to slide out of or into the shaft through the first slot.

[0022] As a preferred solution of the utility model, the first partition plate is narrow at the top and wide at the bottom, and its two side surfaces close to the working area and the storage area are arranged as inclined surfaces, so that the first partition plate can be inserted between two edge-sealing paper rolls when it slides out of the shaft.

[0023] As a preferred embodiment of the present utility model, the lifting driver includes a first guide rail plate and a guide rail driving cylinder, and the first guide rail plate is fixedly connected to the movable end of the guide rail driving cylinder;

[0024] The first guide rail plate includes a contraction maintaining section, a lifting section, and a protrusion maintaining section arranged in sequence;

[0025] Both the contraction maintaining section and the protrusion maintaining section are horizontally arranged, the distance between the protrusion maintaining section and the axis is greater than the distance between the contraction maintaining section and the axis, and both ends of the lifting section are smoothly connected to the contraction maintaining section and the protrusion maintaining section respectively;

[0026] The end of the first partition plate abuts against the first guide rail plate, and the guide rail driving cylinder can drive the first guide rail plate to move along the axis of the shaft rod to control the first partition plate to slide out or slide into the shaft rod through the first slot hole.

[0027] As a preferred embodiment of the present utility model, a spherical ball is fixedly connected to one end of the first partition plate close to the axis, a first guide rail groove is provided on the first guide rail plate, the spherical ball is slidably connected in the first guide rail groove, and the volume of the spherical ball located in the first guide rail groove is greater than one-half of its overall volume.

[0028] As a preferred embodiment of the present utility model, the second limiting structure has the same structure as the first limiting structure, and the cooperation mode between the lifting driver and the second limiting structure is the same as that of the first limiting structure.

[0029] As a preferred embodiment of the present utility model, the first guide rail plate and the second guide rail plate in the second limiting structure are arranged in a staggered manner;

[0030] A plurality of the first limiting structures and the second limiting structures are uniformly arranged in the circumferential direction of the shaft rod.

[0031] The present utility model has the following beneficial effects compared with the prior art:

[0032] By arranging a plurality of horizontally arranged shaft rods, after all the edge-sealing paper rolls on one shaft rod are used up, the rotary driver drives the rotating shaft to rotate, so that the shaft rod filled with edge-sealing paper rolls to be used replaces the empty shaft rod. The shaft rod with full edge-sealing paper rolls can quickly fill the vacancy of the edge-sealing paper rolls, and the empty shaft rod can be refilled after being transferred away, without stopping the machine, thereby improving production efficiency. Description of the Drawings

[0033] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained based on the provided drawings.

[0034] Figure 1 It is a schematic structural diagram of the horizontal edge-sealing paper roll alternating supply device in the embodiment of the present invention;

[0035] Figure 2 It is a schematic structural diagram of a single edge-sealing paper roll supply device in the embodiment of the present invention;

[0036] Figure 3 It is a schematic structural diagram of the shaft rod in the embodiment of the present invention;

[0037] Figure 4 It is a schematic structural diagram of the lifting driver in the embodiment of the present invention;

[0038] Figure 5 For Figure 4 It is an enlarged view of the front guide rail plate machine separator plate.

[0039] The reference numerals in the figure are respectively represented as follows:

[0040] 1 - rotating shaft, 2 - shaft rod, 3 - push plate, 4 - pushing material driver;

[0041] 5 - rotating driver, 501 - motor, 502 - small gear, 503 - large gear.

[0042] 6 - first limiting structure, 601 - first separator plate, 602 - first slot hole, 603 - inclined surface, 604 - spherical ball;

[0043] 7 - station bearing;

[0044] 8 - second limiting structure, 801 - second separator plate, 802 - second slot hole;

[0045] 9 - working area, 10 - storage area;

[0046] 11 - lifting driver, 1101 - first guide rail plate, 1102 - guide rail driving cylinder, 1103 - contraction maintaining section, 1104 - lifting section, 1105 - protruding maintaining section, 1106 - first guide rail groove, 1107 - second guide rail plate, 1108 - second guide rail groove. Specific embodiments

[0047] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0048] The present invention specifically provides a horizontal edge-sealing paper roll alternating supply device, including:

[0049] A rotating shaft 1, horizontally disposed, and the end is rotatably connected to the vertical plate of the frame;

[0050] A shaft rod 2, arranged in parallel with the rotating shaft 1, for placing the edge-sealing paper roll. At least two shaft rods 2 are arranged in the circumferential direction of the rotating shaft 1, and all the shaft rods 2 are fixedly installed on the rotating shaft 1 through a connecting plate;

[0051] A pushing disk 3, sleeved outside the shaft rod 2, for pushing the edge-sealing paper roll;

[0052] A pushing material driver 4, provided with one, for pushing the pushing disk 3 on the shaft rod 2 in use to move along the shaft rod 2;

[0053] A rotating driver 5, for driving the rotating shaft 1 to rotate, so that the shaft rod 2 with the used-up edge-sealing paper roll and the shaft rod 2 filled with the edge-sealing paper roll are alternately replaced.

[0054] When the above horizontal edge-sealing paper roll alternating supply device is used, it includes two parts: the pushing of the pushing material driver 4 and the alternation of the shaft rod 2;

[0055] Among them, the process of the pushing material driver 4 pushing the material is as follows:

[0056] A plurality of edge-sealing paper rolls are sleeved on each shaft rod 2. After one edge-sealing paper roll is used up, the pushing material driver 4 pushes the pushing disk 3 to push the edge-sealing paper roll to be used sleeved on the shaft rod 2 towards the working area 9, and extrudes the used-up edge-sealing paper roll from the working area 9, completing the alternation of the edge-sealing paper rolls on the same shaft rod 2.

[0057] The alternation process of the shaft rod 2 is as follows:

[0058] After all the edge-sealing paper rolls on one shaft rod 2 are used up, the rotating driver 5 drives the rotating shaft 1 to rotate, so that the shaft rod 2 filled with the edge-sealing paper roll to be used replaces the empty shaft rod 2. The shaft rod 2 filled with the full edge-sealing paper roll can quickly fill the vacancy of the edge-sealing paper roll, and the empty shaft rod 2 can be refilled after being transferred away, without stopping the machine, improving the production efficiency.

[0059] Further, the rotating driver 5 includes a motor 501, a small gear 502 and a large gear 503;

[0060] The small gear 502 is fixedly mounted on the output end of the motor 501 , the large gear 503 is fixedly mounted on the rotating shaft 1 , and the large gear 503 and the small gear 502 are connected via a chain transmission.

[0061] Furthermore, the interior of the shaft rod 2 is set to be hollow, and a push plate 3, a first limiting structure 6, a station bearing 7 and a second limiting structure 8 are sequentially arranged on the shaft rod 2;

[0062] The area between the first limiting structure 6 and the second limiting structure 8 is a working area 9 for placing the edge-sealing paper rolls to be used, and the area between the first limiting structure 6 and the push plate 3 is a storage area 10 for storing the edge-sealing paper rolls to be used;

[0063] The first limiting structure 6 can be pushed out of the shaft 2 to separate the edge-sealing paper roll in use from the edge-sealing paper roll to be used, or can be put into the shaft 2 to allow the edge-sealing paper roll to be used to enter the working area 9;

[0064] The second limiting structure 8 can be pushed out of the shaft 2 to constrain the edge-sealing paper roll in use within the working area 9, or can be put into the shaft 2 to allow the used edge-sealing paper roll to leave the working area 9;

[0065] The pushing drive 4 is used to push the pushing plate 3 to slide along the shaft 2 to push the edge-sealing paper roll to be used into the working area 9 and to move the used edge-sealing paper roll out of the working area 9 .

[0066] The push drive 4 can be configured as a linear cylinder.

[0067] At this time, the pushing process of the pushing drive 4 is as follows:

[0068] Before pushing the material, the first limiting structure 6 and the second limiting structure 8 are first put into the shaft 2 to release the isolation of the working area 9 and the storage area 10 by the first limiting structure 6 and the constraint of the working area 9 by the second limiting structure 8.

[0069] Then the pushing drive 4 pushes the pushing plate 3 to slide along the shaft 2, and then pushes the edge sealing paper roll to be used to move along the shaft 2 to the working area 9. When the front edge sealing paper roll to be used just enters the working area 9 (at this time, the front edge sealing paper roll to be used squeezes the used edge sealing paper roll in the previous working area 9 out of the working area 9), the pushing drive 4 is retracted (it can be retracted for a short distance to avoid further squeezing the edge sealing paper roll), and then the first limiting structure 6 and the second limiting structure 8 are pushed out of the shaft 2, separating the edge sealing paper roll entering the working area 9 from the subsequent edge sealing paper roll to be used, and constraining the edge sealing paper roll to the work station bearing 7 in the working area 9.

[0070] When feeding the material onto the shaft 2 , the first limiting structure 6 and the second limiting structure 8 need to be put into the shaft 2 first, and then the edge-sealing paper rolls are put outside the shaft 2 one by one.

[0071] By providing a first limiting structure 6 and a second limiting structure 8 on the shaft rod 2, the edge banding paper roll in use can be separated from the edge banding paper roll to be used. At the same time, the horizontally placed shaft rod 2 prevents the edge banding paper roll from sliding friction with the bearing plate due to the influence of gravity, so that the gravity of the edge banding paper roll is entirely pressed on the working position bearing 7, converting the sliding friction into rolling friction, reducing the resistance when the edge banding paper roll rotates, decreasing the tension on the pulled-out paper tape, and reducing the probability of the old and new paper tapes breaking at the bonding position.

[0072] Furthermore, to prevent the driver for driving the two limiting structures from interfering with the movement of the edge banding paper roll externally, the lifting driver 11 is installed in the cavity of the shaft rod 2. The lifting driver 11 is used to drive the first limiting structure 6 and the second limiting structure 8 to move out protruding from the shaft rod 2 or move in and retract into the shaft rod 2.

[0073] Furthermore, the first limiting structure 6 includes a first partition plate 601, and the first partition plate 601 is slidably connected to a first slot 602 provided on the shaft rod 2;

[0074] The lifting driver 11 is connected to the first partition plate 601 and can drive the first partition plate 601 to slide out or slide into the shaft rod 2 through the first slot 602.

[0075] When the first partition plate 601 slides out of the shaft rod 2, its end will abut between the edge banding paper roll entering the working area 9 and the edge banding paper roll not entering the working area 9, separating the two edge banding paper rolls, preventing the subsequent edge banding paper roll to be used from contacting the edge banding paper roll in the working area 9. On the one hand, it restricts the edge banding paper roll in use, and on the other hand, it can prevent the edge banding paper roll in use from rubbing against the edge banding paper roll to be used, reducing the frictional resistance when the edge banding paper roll in use rotates.

[0076] The above-mentioned first slot 602 can play a role in restricting the movement path of the first partition plate 601.

[0077] Considering that when the first partition plate 601 separates the two edge banding paper rolls, it needs to be inserted between the two edge banding paper rolls in the early stage, so the end should be thinner to avoid being unable to insert; while in the later stage, it needs to separate the two edge banding paper rolls, and the first partition plate 601 is required to have a certain thickness to avoid the sides of the two edge banding paper rolls far from the first partition plate 601 from contacting. For this, the present utility model designs the first partition plate 601 as follows:

[0078] The first partition plate 601 is in the shape of being narrower at the top and wider at the bottom, and both side surfaces thereof close to the working area 9 and the storage area 10 are provided with inclined surfaces 603, so that the first partition plate 601 can be inserted between the two edge banding paper rolls when it slides out of the shaft rod 2.

[0079] The upper part of the first partition plate 601 is relatively narrow, which enables the end of the first partition plate 601 to be smoothly inserted between two edge-sealing paper rolls at the initial stage. Then, as the first partition plate 601 slides out of the first slot 602, the inclined surface 603 on the first partition plate 601 will push the two side edge-sealing paper rolls away from each other. When the wide edge at the lower part of the first partition plate 601 slides out of the shaft rod 2, the interval distance between the two side edge-sealing paper rolls is safe enough to ensure that the two edge-sealing paper rolls will not contact each other.

[0080] The above-mentioned lifting drive 11 can be set as a cylinder, and the telescopic movement of the cylinder is used to control the first partition plate 601 to slide out of or into the shaft rod 2 through the first slot 602. However, on the one hand, it is not convenient to install the cylinder inside the shaft rod 2, and on the other hand, it is not convenient to maintain. The composition of the lifting drive 11 in the present utility model is as follows:

[0081] The lifting drive 11 includes a first guide rail plate 1101 and a guide rail drive cylinder 1102, and the first guide rail plate 1101 is fixedly connected to the movable end of the guide rail drive cylinder 1102;

[0082] The first guide rail plate 1101 includes a contraction maintaining section 1103, a lifting section 1104, and a protrusion maintaining section 1105 arranged in sequence;

[0083] Both the contraction maintaining section 1103 and the protrusion maintaining section 1105 are horizontally arranged, the distance between the protrusion maintaining section 1105 and the axis is greater than the distance between the contraction maintaining section 1103 and the axis, and the two ends of the lifting section 1104 are smoothly connected to the contraction maintaining section 1103 and the protrusion maintaining section 1105 respectively;

[0084] The end of the first partition plate 601 abuts against the first guide rail plate 1101, and the guide rail drive cylinder 1102 can drive the first guide rail plate 1101 to move along the axis of the shaft rod 2 to control the first partition plate 601 to slide out of or into the shaft rod 2 through the first slot 602.

[0085] The first partition plate 601 is restricted by the first slot 602 or other telescopic components, so that the first partition plate 601 can only move up and down linearly;

[0086] When the first partition plate 601 abuts against the protrusion maintaining section 1105, the first partition plate 601 can be stably located outside the shaft rod 2 under the support of the protrusion maintaining section 1105 for isolating and restricting the edge-sealing paper rolls;

[0087] When the first partition plate 601 contacts the contraction maintaining section 1103, the first partition plate 601 can be stably contracted in the shaft 2 under the action of its own gravity or external force (when only one first partition plate 601 is provided and is located at the upper part of the shaft 2, the first partition plate 601 can complete the contraction into the shaft 2 by gravity alone, but when the first partition plate 601 is located below the shaft 2, an external force is required to drive the contraction, such as a spring, or the first guide plate 1101 is used to constrain the first partition plate 601), so as to facilitate the replacement of the edge-sealing paper rolls in the working area 9.

[0088] The lifting section 1104 is a transition section that can push the first partition plate 601 to protrude the shaft 2 outward.

[0089] Furthermore, the first guide plate 1101 can impose constraints on the first partition plate 601 in the following manner:

[0090] A ball 604 is fixedly connected to one end of the first partition plate 601 close to the axis, and a first guide groove 1106 is provided on the first guide plate 1101. The ball 604 is slidably connected in the first guide groove 1106, and the volume of the ball 604 in the first guide groove 1106 is larger than one half of its entirety. At this time, the ball 604 cannot escape from the first guide groove 1106, so that the first guide groove 1106 can both push the first partition plate 601 out of the shaft 2 and pull the first partition plate 601 back into the shaft 2.

[0091] Furthermore, the second limiting structure 8 has the same structure as the first limiting structure 6 , and the cooperation mode between the lifting drive 11 and the second limiting structure 8 is the same as that between the first limiting structure 6 .

[0092] That is, it also includes the second partition plate 801 , the second slot hole 802 , the second guide rail plate 1107 , and the second guide rail groove 1108 .

[0093] Furthermore, because there may be a situation where the horizontal length of the lifting section 1104 is greater than the distance between the first partition plate 601 and the second partition plate, in order to avoid the first guide groove 1106 and the second guide groove from interfering with each other, the first guide plate 1101 and the second guide plate in the second limiting structure 8 are staggered.

[0094] Multiple first limiting structures 6 and second limiting structures 8 are evenly arranged on the circumference of the shaft 2, which can better constrain the edge-sealing paper roll in use within the working area 9 and better separate the edge-sealing paper roll in use from the edge-sealing paper roll to be used.

[0095] It should be noted that at this time, it is necessary to impose constraints on the partition plate located below so that the partition plate below can be retracted into the shaft 2 when the corresponding contraction maintaining section 1103 is in place.

[0096] The way of constraint can be the form of the above-mentioned spherical ball 604 and the guide rail groove, or a spring can be arranged between the partition plate and the inner wall of the shaft rod 2.

[0097] The above embodiments are only exemplary embodiments of the present application and are not used to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements within the essence and protection scope of the present application, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present application.

Claims

1. A horizontal edge-sealing paper roll alternating supply device, characterized in that, Including: A rotating shaft (1), horizontally arranged, and its end is rotatably connected to the vertical plate of the frame; Shaft rods (2), arranged in parallel with the rotating shaft (1), for placing edge-sealing paper rolls. At least two shaft rods (2) are arranged in the circumferential direction of the rotating shaft (1), and all the shaft rods (2) are fixedly installed on the rotating shaft (1) through a connecting plate; A pushing disk (3), sleeved outside the shaft rod (2), for pushing the edge-sealing paper roll; One pushing material driver (4), for pushing the pushing disk (3) on the shaft rod (2) in use to move along the shaft rod (2); A rotating driver (5), for driving the rotating shaft (1) to rotate so that the shaft rod (2) with the used-up edge-sealing paper roll and the shaft rod (2) filled with the edge-sealing paper roll are alternately replaced; 2. The horizontal edge-sealing paper roll alternating supply device according to claim 1, characterized in that The rotating driver (5) includes a motor (501), a small gear (502) and a large gear (503); The small gear (502) is fixedly installed at the output end of the motor (501), the large gear (503) is fixedly installed on the rotating shaft (1), and the large gear (503) and the small gear (502) are connected by a chain drive; 3. The horizontal edge-sealing paper roll alternating supply device according to claim 1, characterized in that The inside of the shaft rod (2) is hollow, and a pushing disk (3), a first limiting structure (6), a working position bearing (7) and a second limiting structure (8) are sequentially arranged on the shaft rod (2); The area between the first limiting structure (6) and the second limiting structure (8) is a working area (9) for placing the edge-sealing paper roll in use, and the area between the first limiting structure (6) and the pushing disk (3) is a storage area (10) for storing the edge-sealing paper roll to be used; The first limiting structure (6) can be pushed out of the shaft rod (2) to separate the edge-sealing paper roll in use and the edge-sealing paper roll to be used, or can be retracted into the shaft rod (2) so that the edge-sealing paper roll to be used can enter the working area (9); The second limiting structure (8) can be pushed out of the shaft rod (2) to confine the edge-sealing paper roll in use within the working area (9), or can be retracted into the shaft rod (2) so that the used-up edge-sealing paper roll can be separated from the working area (9); The pushing material driver (4) is used to push the pushing disk (3) to slide along the shaft rod (2) to push the edge-sealing paper roll to be used into the working area (9) and push the used-up edge-sealing paper roll in the working area (9) out of the working area (9); 4. The horizontal edge-sealing paper roll alternating supply device according to claim 3, characterized in that A lifting driver (11) is installed in the cavity of the shaft rod (2), and the lifting driver (11) is used to drive the first limiting structure (6) and the second limiting structure (8) to move outwards and protrude from the shaft rod (2) or move inwards and retract into the shaft rod (2); 5. The horizontal edge-sealing paper roll alternating supply device according to claim 4, characterized in that The first limiting structure (6) includes a first partition plate (601), and the first partition plate (601) is slidably connected to a first slot hole (602) provided on the shaft rod (2); The lifting driver (11) is connected to the first partition plate (601) and can drive the first partition plate (601) to slide out of or into the shaft rod (2) through the first slot hole (602).

6. A horizontal edge-sealing paper roll alternating supply device according to claim 5, characterized in that The first partition plate (601) has a shape that is narrower at the top and wider at the bottom, and both side surfaces thereof close to the working area (9) and the storage area (10) are provided with inclined surfaces (603), so that when the first partition plate (601) slides out of the shaft rod (2), it can be inserted between two edge-sealing paper rolls.

7. A horizontal edge-sealing paper roll alternating supply device according to claim 6, characterized in that The lifting driver (11) includes a first guide rail plate (1101) and a guide rail driving cylinder (1102), and the first guide rail plate (1101) is fixedly connected to the movable end of the guide rail driving cylinder (1102); The first guide rail plate (1101) includes a contraction maintaining section (1103), a lifting section (1104), and a protrusion maintaining section (1105) arranged in sequence; Both the contraction maintaining section (1103) and the protrusion maintaining section (1105) are horizontally arranged, the distance between the protrusion maintaining section (1105) and the axis is greater than the distance between the contraction maintaining section (1103) and the axis, and both ends of the lifting section (1104) are smoothly connected to the contraction maintaining section (1103) and the protrusion maintaining section (1105); The end of the first partition plate (601) abuts against the first guide rail plate (1101), and the guide rail driving cylinder (1102) can drive the first guide rail plate (1101) to move along the axis of the shaft rod (2) to control the first partition plate (601) to slide out of or into the shaft rod (2) through the first slot hole (602).

8. A horizontal edge-sealing paper roll alternating supply device according to claim 7, characterized in that A spherical ball (604) is fixedly connected to one end of the first partition plate (601) close to the axis, a first guide rail groove (1106) is provided on the first guide rail plate (1101), the spherical ball (604) is slidably connected in the first guide rail groove (1106), and the volume of the spherical ball (604) located in the first guide rail groove (1106) is greater than one-half of its overall volume.

9. A horizontal edge-sealing paper roll alternating supply device according to claim 8, characterized in that The second limiting structure (8) has the same structure as the first limiting structure (6), and the cooperation mode of the lifting driver (11) with the second limiting structure (8) is the same as that of the first limiting structure (6).

10. A horizontal edge-sealing paper roll alternating supply device according to claim 9, characterized in that The first limiting structure (6) and the second limiting structure (8) are arranged in a staggered manner; A plurality of the first limiting structures (6) and the second limiting structures (8) are uniformly arranged in the circumferential direction of the shaft rod (2).

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