Quick roll changing device for bag making machine

Abstract

The utility model provides a quick roll replacing device for a bag making machine, which belongs to the field of auxiliary devices of the bag making machine, is used for replacing an old raw material roll on a rack of the bag making machine with a new raw material roll, and comprises a movable bearing piece, the bearing piece comprises a base and side arms fixedly connected with the two ends of the base respectively, and the tops of the side arms are fixedly connected with supporting pieces. A placing piece is fixedly connected to one side face of the base, a set of movable fixing frames are symmetrically arranged in the rack, a raw material roll is fixed between the two fixing frames, reels are arranged in the center of the old raw material roll and the center of the new raw material roll, and the two ends of the reels are connected with the two fixing frames in an inserted mode. Grooves matched with the reel in size are formed in the top of the supporting piece and the top of the containing piece, the bearing piece is connected with a moving assembly, and the moving assembly can drive the bearing piece to move up and down and back and forth. The roll changing device can greatly reduce the roll changing time of the bag making machine, reduce labor, effectively improve the production efficiency and improve the productivity.

Description

Technical Field

[0001] The utility model belongs to the field of auxiliary devices for bag-making machines, and particularly relates to a quick roll-changing device for a bag-making machine. Background Art

[0002] A bag-making machine is a machine for making various plastic packaging bags or packaging bags of other materials. Its processing range includes plastic or other material packaging bags of various sizes, thicknesses and specifications. Generally, plastic packaging bags are the main products. With the improvement of the automation level and in order to reduce the labor intensity of workers and improve work efficiency, several traditional bag-making mechanical devices are combined together to form a full-automatic bag-making machine.

[0003] CN220055692U provides a material receiving and roll-changing mechanism for a plastic film bag-making machine, including a workbench. Both ends of the top of the workbench are fixedly provided with support seats. Bottom cavities are respectively dug at the inner bottoms of the support seats. Lower rollers are rotatably connected to both ends of each bottom cavity. U-shaped outer plates are fixedly connected to the side walls of the support seats away from each other. Adjusting screw rods II are threadedly connected to the U-shaped outer plates. The adjusting screw rods II pass through the U-shaped outer plates and the ends close to the inside of the support seats are respectively connected with clamping plates. When a shaft body is placed in the support seat, its bottom will touch the tops of the two lower rollers in the bottom cavity. The rotation of the adjusting screw rods II on the U-shaped outer plates will drive the clamping plates to clamp both ends of the shaft body. The rotational connection between the adjusting screw rods II and the clamping plates enables the clamping plates to rotate when the shaft body rotates, so that the shaft body can rotate stably, and the problem of shaking during unwinding caused by wear is avoided.

[0004] However, the roll-changing device of the existing bag-making machine has a relatively complex structure, or requires a lot of labor, and the downtime is relatively long, resulting in a decrease in production capacity. Summary of the Utility Model

[0005] To solve the above problems existing in the sub-packaging production of the existing bag-making machine, the utility model provides a quick roll-changing device for a bag-making machine, which has a simple structure, is flexible to use, saves labor and reduces costs.

[0006] The utility model adopts the following technical solutions to solve the above problems:

[0007] A quick roll-changing device for a bag-making machine is used to replace an old raw material roll on a bag-making machine frame with a new raw material roll. It includes a movable supporting member. The supporting member includes a base and side arms fixedly connected to both ends of the base respectively. A supporting member is fixedly connected to the top of the side arms. A placing member is fixedly connected to one side surface of the base. A group of movable fixing frames are symmetrically arranged inside the frame. Both the old raw material roll and the new raw material roll can be fixed between the two fixing frames.

[0008] Further, a reel is provided at the center of both the old raw material roll and the new raw material roll, and both ends of the reel are inserted into two fixing brackets.

[0009] Further, the support member is provided at the center position of the top of the side arm, the placing member is provided at the center position of the side of the base, and grooves matching the size of the reel are provided at the tops of both the support member and the placing member.

[0010] Further, the supporting member is connected with a moving assembly, and the moving assembly can drive the supporting member to move up and down and back and forth.

[0011] Further, the moving assembly is provided with a plurality of pallet boards that can move up and down, and the pallet boards are attached to the bottom of the base.

[0012] Further, a slide rail and a lead screw that cooperate with the fixing bracket are provided inside the frame, and the slide rail is fixedly provided on both sides of the top of the frame.

[0013] Further, a support arm is provided at the bottom of the fixing bracket, a chute matching the slide rail is provided at the top of the fixing bracket, and a through hole matching the lead screw is provided in the middle of the fixing bracket.

[0014] Further, the end of the support arm is a cylinder with a diameter slightly smaller than the inner diameter of the reel, and the support arm can be inserted into the inside of the reel.

[0015] Further, a plurality of induction devices are provided inside the frame, and the induction devices are connected to the power device of the bag making machine through a control system.

[0016] Further, the induction devices are respectively provided on the inner wall of the frame and the inside of the fixing bracket, so as to facilitate the correspondence between the fixing bracket and the raw material roll.

[0017] The beneficial effects of the present utility model are as follows:

[0018] 1. Through the supporting member and the placing member, this device can conveniently and quickly transport the old raw material roll, enabling the removal of the old raw material roll and the loading of the new raw material roll to be carried out simultaneously, reducing the operation steps, greatly reducing the roll change time of the bag making machine, reducing the labor force at the same time, effectively improving the production efficiency, and enhancing the production capacity;

[0019] 2. A plurality of induction devices are provided inside the frame. Through the induction devices, the relative positions of the placing member and the old raw material roll, and the relative positions of the reel and the two support arms can be identified more quickly and accurately, greatly reducing the roll change time, with high accuracy and saving labor. Description of the Drawings

[0020] To more clearly illustrate the specific embodiments of the present utility model, the following will briefly introduce the drawings required for use in the description of the specific embodiments. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 is a schematic structural diagram of the present utility model;

[0022] Figure 2 is Figure 1 an enlarged structural diagram of part A in

[0023] Figure 3 is a schematic structural diagram of the fixing frame;

[0024] Figure 4 is a schematic structural diagram of the supporting member;

[0025] Figure 5 is a schematic structural diagram of the present utility model at the start of roll change;

[0026] Figure 6 is a schematic structural diagram of the present utility model at the end of roll change;

[0027] Figure 7 is a schematic structural diagram after the replacement of the new raw material roll is completed.

[0028] In the figure, 1 - frame; 101 - fixing frame; 1011 - support arm; 1012 - chute; 1013 - through hole; 102 - slide rail; 103 - lead screw; 2 - supporting member; 201 - base; 202 - side arm; 203 - support member; 204 - placing member; 3 - old raw material roll; 4 - new raw material roll; 5 - moving assembly; 501 - pallet; 6 - reel. Specific Embodiments

[0029] In the description of the present utility model, unless otherwise specified, the orientation or positional relationship indicated by terms such as "upper", "lower", "top", "bottom", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the indicated mechanism or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model.

[0030] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] Embodiment 1

[0032] As Figures 1 - 4 shown, the present utility model provides a quick roll-changing device for a bag-making machine, which is used to replace the old raw material roll 3 on the bag-making machine frame 1 with a new raw material roll 4. The centers of the old raw material roll 3 and the new raw material roll 4 are both provided with a reel 6, and both ends of the reel 6 are inserted into two fixed brackets 101.

[0033] This device includes a movable supporting member 2. The supporting member 2 includes a base 201 and side arms 202 fixedly connected to both ends of the base 201 respectively. A supporting member 203 is fixedly connected to the top of the side arms 202. A placing member 204 is fixedly connected to one side surface of the base 201. A group of movable fixed brackets 101 are symmetrically arranged inside the frame 1, and the raw material roll is fixed between the two fixed brackets 101; the supporting member 203 is arranged at the center position of the top of the side arms 202, the placing member 204 is arranged at the center position of the side surface of the base 201, and grooves matching the size of the reel 6 are provided on the tops of both the supporting member 203 and the placing member 204.

[0034] As Figure 4 shown, the supporting member 2 is connected with a moving assembly 5. The moving assembly 5 can drive the supporting member 2 to move up and down and back and forth. The moving assembly 5 is provided with a plurality of pallet boards 501 that can move up and down, and the pallet boards 501 are attached to the bottom of the base 201.

[0035] As Figure 2 、 Figure 3 shown, a slide rail 102 and a lead screw 103 that cooperate with the fixed bracket 101 are arranged inside the frame 1. The slide rail 102 is fixedly arranged on both sides of the top of the frame 1. A support arm 1011 is provided at the bottom of the fixed bracket 101. A chute 1012 that matches the slide rail 102 is provided at the top of the fixed bracket 101. A through hole 1013 that matches the lead screw 103 is provided in the middle of the fixed bracket 101. The end of the support arm 1011 is a cylinder with a diameter slightly smaller than the inner diameter of the reel 6, and the support arm 1011 can be inserted into the inside of the reel 6.

[0036] As Figure 1As shown, when the old raw material roll 3 installed on the bag-making machine is about to be exhausted, the bag-making machine is paused. The new raw material roll 4 is placed on the support member 203 of the support member 2. The support member 2 is moved to below the frame 1 through the moving assembly 5 (a small forklift is used in this embodiment), so that the placing member 204 on the side of the support member 2 is placed directly below the old raw material roll 3.

[0037] As Figure 5 shown, operate the moving assembly 5 to make the pallet 501 drive the support member 2 to move upward. When the placing member 204 touches the old raw material roll 3, stop moving upward. At this time, move the fixing frame 101 outward so that the support arm 1011 is separated from the reel 6 of the old raw material roll 3. At this time, the placing member 204 can firmly support the old raw material roll.

[0038] As Figure 6 shown, operate the moving assembly 5 to make the pallet 501 drive the support member 2 to move downward a certain distance. At the same time, the old raw material roll 3 moves with the support member 2. Operate the moving assembly 5 to move forward so that the reel 6 of the new raw material roll 4 and the two support arms 1011 are in the vertical plane. Then adjust the position of the pallet 501 up and down so that the reel 6 and the two support arms 1011 are on the same axis.

[0039] As Figure 7 shown, move the fixing frame 101 inward so that the support arm 1011 is inserted into the reel 6 of the new raw material roll 4 to complete the installation of the new raw material roll 4. Operate the moving assembly 5 to move backward, and the support member 2 drives the old raw material roll 3 to leave the frame 1 to complete the roll change process.

[0040] Embodiment 2

[0041] A plurality of sensing devices are provided inside the frame 1. The sensing devices are connected to the power device of the bag-making machine through a control system. Other technical features are the same as those in Embodiment 1.

[0042] The sensing devices are respectively arranged on the inner wall of the frame 1 and the inner side of the fixing frame 101, which is convenient for the fixing frame 101 to correspond to the raw material roll. When changing the roll, through the sensing devices, the relative positions of the placing member 204 and the old raw material roll 3, and the relative positions of the reel 6 and the two support arms 1011 can be identified more quickly and accurately, greatly reducing the roll change time, with high accuracy and saving labor.

[0043] The above has described the present utility model in detail through embodiments, but the content is only the preferred embodiment of the present utility model and cannot be considered as limiting the implementation scope of the present utility model. All equivalent changes and improvements made according to the scope of the application of the present utility model should still fall within the scope covered by the patent of the present utility model.

Claims

1. A quick roll-changing device for a bag-making machine, which is used to replace the old raw material roll (3) on the frame (1) of the bag-making machine with a new raw material roll (4), and is characterized in that: It includes a movable carrier (2), the carrier (2) includes a base (201) and side arms (202) fixedly connected to both ends of the base (201) respectively, a support member (203) is fixedly connected to the top of the side arms (202), a placement member (204) is fixedly connected to one side surface of the base (201), a group of movable fixing frames (101) are symmetrically arranged inside the frame (1), and the old raw material roll (3) and the new raw material roll (4) can both be fixed between the two fixing frames (101).

2. The quick roll-changing device for a bag-making machine according to claim 1, wherein: A reel (6) is provided at the center of both the old raw material roll (3) and the new raw material roll (4), and both ends of the reel (6) are inserted into the two fixing frames (101).

3. The quick roll-changing device for a bag-making machine according to claim 2, characterized in that: The support member (203) is arranged at the center position of the top of the side arms (202), the placement member (204) is arranged at the center position of the side surface of the base (201), and grooves matching the size of the reel (6) are provided at the tops of both the support member (203) and the placement member (204).

4. A quick roll change device for a bag making machine according to claim 1, characterized in that: The carrier (2) is connected with a moving assembly (5), and the moving assembly (5) can drive the carrier (2) to move up and down and back and forth.

5. The quick roll-changing device for a bag-making machine according to claim 4, characterized in that: The moving assembly (5) is provided with a plurality of pallet boards (501) that can move up and down, and the pallet boards (501) are attached to the bottom of the base (201).

6. The quick roll-changing device for a bag-making machine according to claim 2, characterized in that: A slide rail (102) and a lead screw (103) that cooperate with the fixing frame (101) are arranged inside the frame (1), and the slide rail (102) is fixedly arranged on both sides of the top of the frame (1).

7. The quick roll-changing device for a bag-making machine according to claim 6, characterized in that: A support arm (1011) is provided at the bottom of the fixing frame (101), a chute (1012) that matches the slide rail (102) is provided at the top of the fixing frame (101), and a through hole (1013) that matches the lead screw (103) is provided in the middle of the fixing frame (101).

8. The quick roll change device for a bag making machine according to claim 7, characterized in that: The end of the support arm (1011) is cylindrical with a diameter slightly smaller than the inner diameter of the reel (6), and the support arm (1011) can be inserted into the inside of the reel (6).

9. A quick roll change device for a bag making machine according to any one of claims 1-8, characterized in that: A plurality of induction devices are arranged inside the frame (1), and the induction devices are connected to the power device of the bag making machine through a control system.

10. The quick roll-changing device for a bag-making machine according to claim 9, characterized in that: The induction devices are respectively arranged on the inner wall of the frame (1) and the inner side of the fixing frame (101) to facilitate the correspondence between the fixing frame (101) and the raw material roll.

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