Double-layer hot melting packaging device for plastic products

Abstract

The utility model discloses a plastic product double-layer hot-melt packaging device, which comprises a base, a case cover, a hot-melt packaging assembly and a flattening assembly, the bottom of the case cover is fixedly mounted on the top of the base, the hot-melt packaging assembly is arranged in the base, the top of the flattening assembly is fixedly mounted on the inner surface of the base, and the flattening assembly is arranged in the case cover. The flattening assembly comprises an electric telescopic rod, a connecting block, a fixed supporting clamp and a movable supporting clamp, the top of the electric telescopic rod and the inner surface of the base are fixedly mounted, the top of the connecting block and the bottom of the electric telescopic rod are fixedly mounted, the top of the fixed supporting clamp and the bottom of the connecting block are fixedly mounted, and the top of the movable supporting clamp and the inner surface of the connecting block are movably mounted; through the arrangement of the flattening assembly, when the plastic packaging bag is moved to a proper position, the flattening assembly is controlled, so that the bag opening of the plastic packaging bag is flattened, the situation that after the uneven bag opening is subjected to hot melting packaging through a heating rod, holes which are not packaged still exist is avoided, and the packaging quality of sealing of the plastic packaging bag is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot-melt packaging of plastic products, and more specifically, to a double-layer hot-melt packaging device for plastic products. Background Art

[0002] Hot-melt sealing is a common packaging process, which mainly combines two or more material layers together by heating the material to its melting point and then sealing it under appropriate pressure to ensure that the product packaged inside the plastic packaging bag will not leak. However, before the bag opening of the existing plastic packaging bag to be hot-melt sealed is sealed, the product in the plastic packaging bag will cause the bag opening to open outward, resulting in the plastic packaging bag The sealed part is in a wrinkled state. After the uneven bag opening is hot-melt sealed by the heating rod, the seal will not be completely sealed and there will still be unsealed pores, thereby affecting the bonding quality of the seal. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a double-layer hot-melt packaging device for plastic products to solve the problem in the prior art that after hot-melting, pressurizing and solidifying by a heating rod, the seal is not completely sealed and there are still unsealed gaps, thereby affecting the bonding quality of the seal.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a double-layer hot-melt packaging device for plastic products, comprising

[0005] Base;

[0006] A chassis cover, the bottom of which is fixedly mounted to the top of the base;

[0007] A hot melt packaging component, wherein the hot melt packaging component is arranged inside the base;

[0008] A leveling component, the top of which is fixedly mounted on the inner surface of the base, the leveling component comprising an electric telescopic rod, a connecting block, a fixed support clamp and a movable support clamp, the top of the electric telescopic rod being fixedly mounted on the inner surface of the base, the top of the connecting block being fixedly mounted on the bottom of the electric telescopic rod, the top of the fixed support clamp being fixedly mounted on the bottom of the connecting block, and the top of the movable support clamp being movably mounted on the inner surface of the connecting block.

[0009] It also includes a feeding assembly, a connecting strip, a supporting box, and a controller. The feeding assembly is arranged at the bottom end of the chassis cover, the side of the connecting strip is fixedly installed to the outer surface of the feeding assembly, the middle of the supporting box is fixedly installed to the side of the connecting strip, and the side of the controller is fixedly installed to the outer surface of the chassis cover.

[0010] Wherein, the feeding assembly includes a first motor, a first rotating wheel, a crawler track, a shaft column, and a second rotating wheel. The outer surface of the first motor is fixedly installed on the inner surface of the base, the middle part of the first rotating wheel is fixedly installed on the output end of the first motor, the inner surface of the crawler track and the outer surface of the first rotating wheel are meshed with each other, the bottom end of the shaft column is movably installed on the inner surface of the base, the middle part of the second rotating wheel is fixedly installed on the outer surface of the shaft column, and the inner surface of the crawler track and the outer surface of the second rotating wheel are meshed with each other.

[0011] Among them, the hot melt packaging assembly includes a cylinder, a spring, a first L-shaped plate, a first heater, and a first heating rod. The side end of the cylinder is fixedly installed on the inner surface of the base, the spring is arranged inside the cylinder, the side of the first L-shaped plate is fixedly installed on the end of the cylinder, the bottom of the first heater is fixedly installed on the top of the first L-shaped plate, the side of the first heating rod is fixedly installed on the surface of the first L-shaped plate, and the first heating rod is electrically connected to the first heater.

[0012] Among them, the hot melt packaging assembly also includes a second L-shaped plate, a second heater, and a second heating rod. The side end of the second L-shaped plate is fixedly installed on the inner surface of the base, the outer surface of the first heating rod is movably connected to the top of the second L-shaped plate, the bottom of the second heater is fixedly installed on the top of the second L-shaped plate, the side of the second heating rod is fixedly installed on the surface of the second L-shaped plate, the second heating rod is electrically connected to the second heater, and the outer surface of the second heating rod is movably connected to the bottom end of the first L-shaped plate.

[0013] Among them, the flattening assembly also includes a second motor, a gear, and a serrated plate. The bottom of the second motor is fixedly installed on the top of the connecting block, the middle of the gear is fixedly installed on the output end of the second motor, the side of the serrated plate is fixedly installed on the top of the movable support clamp, and the outer surface of the gear is meshed with the side of the serrated plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the above scheme, by setting a flattening component, when the plastic packaging bag is moved to a suitable position, the controller is first used to control the electric telescopic rod to extend and retract, so that the bottom ends of the fixed clamp and the movable clamp reach the suitable position, and then the second motor is started, and the gear connected to the output end of the second motor rotates, and the movable clamp meshing with the gear moves along the gear, driving the movable clamp to move along the inner surface of the connecting block, so that the bottom end of the movable clamp is separated from the bottom end of the fixed clamp, thereby flattening the bag opening of the plastic packaging bag, avoiding the presence of unsealed gaps in the uneven bag opening after hot-melt sealing by the heating rod, thereby improving the sealing quality of the plastic packaging bag sealing.

[0016] In the above scheme, a controller is set up to first control the extension of the cylinder through the controller, thereby driving the first L-shaped plate and the first heating rod connected at the end to move toward the second L-shaped plate until the first heating rod and the second heating rod are respectively in contact with the inner surfaces of the second L-shaped plate and the first L-shaped plate. At the same time, the first heater and the second heater are started to heat the first heating rod and the second heating rod respectively. The bag opening of the plastic packaging bag is double-layer hot-melt sealed under the action of the first heating rod and the second heating rod, thereby avoiding the breakage of the hot-melt seal during subsequent use after the plastic packaging bag is single-layer sealed, thereby improving the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the feeding assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the hot-melt packaging component structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the flattening component structure of the utility model.

[0021] [reference numerals]

[0022] 1. Base; 2. Chassis cover; 3. Feeding assembly; 4. Connecting strip; 5. Support box; 6. Hot-melt packaging assembly; 7. Leveling assembly; 8. Controller; 30. First motor; 31. First rotating wheel; 32. Track; 33. Axle column; 34. Second rotating wheel; 60. Cylinder; 61. Spring; 62. First L-shaped plate; 63. First heater; 64. First heating rod; 65. Second L-shaped plate; 66. Second heater; 67. Second heating rod; 70. Electric telescopic rod; 71. Connecting block; 72. Fixed support clamp; 73. Second motor; 74. Gear; 75. Movable support clamp; 76. Sawtooth plate. DETAILED DESCRIPTION

[0023] In order to make the technical problems to be solved, technical solutions and advantages of the present invention more clear, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0024] As attached Figure 1 To Attachment Figure 4 The embodiment of the utility model provides a double-layer hot-melt packaging device for plastic products, comprising:

[0025] Base 1;

[0026] A chassis cover 2, the bottom of the chassis cover 2 is fixedly mounted to the top of the base 1;

[0027] A hot melt packaging component 6, which is arranged inside the base 1;

[0028] The flattening component 7, the top of the flattening component 7 is fixedly mounted on the inner surface of the base 1, and the flattening component 7 includes an electric telescopic rod 70, a connecting block 71, a fixed support clamp 72, and a movable support clamp 75. The top of the electric telescopic rod 70 is fixedly mounted on the inner surface of the base 1, the top of the connecting block 71 is fixedly mounted on the bottom of the electric telescopic rod 70, the top of the fixed support clamp 72 is fixedly mounted on the bottom of the connecting block 71, and the top of the movable support clamp 75 is movably mounted on the inner surface of the connecting block 71.

[0029] It also includes a feeding assembly 3, a connecting strip 4, a supporting box 5, and a controller 8. The feeding assembly 3 is arranged at the bottom end of the chassis cover 2, the side of the connecting strip 4 is fixedly installed with the outer surface of the feeding assembly 3, the middle part of the supporting box 5 is fixedly installed with the side of the connecting strip 4, and the side of the controller 8 is fixedly installed with the outer surface of the chassis cover 2;

[0030] By setting up a supporting box 5, a plurality of supporting boxes 5 are symmetrically arranged with the bottom end of the chassis cover 2 as the axis. When the inside of the chassis cover 2 is being packaged, the staff can take out the plastic packaging bag with completed external packaging from the inside of the supporting box 5 and put in a new plastic packaging bag to be packaged again, thereby improving the efficiency of the packaging process.

[0031] Among them, the feeding assembly 3 includes a first motor 30, a first rotating wheel 31, a crawler 32, a shaft column 33, and a second rotating wheel 34. The outer surface of the first motor 30 is fixedly installed on the inner surface of the base 1, the middle part of the first rotating wheel 31 is fixedly installed on the output end of the first motor 30, the inner surface of the crawler 32 is meshed with the outer surface of the first rotating wheel 31, the bottom end of the shaft column 33 is movably installed on the inner surface of the base 1, the middle part of the second rotating wheel 34 is fixedly installed on the outer surface of the shaft column 33, and the inner surface of the crawler 32 is meshed with the outer surface of the second rotating wheel 34.

[0032] Among them, the hot melt packaging component 6 includes a cylinder 60, a spring 61, a first L-shaped plate 62, a first heater 63, and a first heating rod 64. The side end of the cylinder 60 is fixedly installed on the inner surface of the base 1, the spring 61 is arranged inside the cylinder 60, the side of the first L-shaped plate 62 is fixedly installed on the end of the cylinder 60, the bottom of the first heater 63 is fixedly installed on the top of the first L-shaped plate 62, the side of the first heating rod 64 is fixedly installed on the surface of the first L-shaped plate 62, and the first heating rod 64 is electrically connected to the first heater 63.

[0033] The hot melt packaging assembly 6 further includes a second L-shaped plate 65, a second heater 66, and a second heating rod 67. The side end of the second L-shaped plate 65 is fixedly mounted on the inner surface of the base 1, the outer surface of the first heating rod 64 is movably sleeved on the top of the second L-shaped plate 65, the bottom of the second heater 66 is fixedly mounted on the top of the second L-shaped plate 65, the side of the second heating rod 67 is fixedly mounted on the surface of the second L-shaped plate 65, the second heating rod 67 is electrically connected to the second heater 66, and the outer surface of the second heating rod 67 is movably sleeved on the bottom end of the first L-shaped plate 62;

[0034] By setting the first heating rod 64 and the second heating rod 67, the first heating rod 64 and the second heating rod 67 are diagonally symmetrical with respect to the center of the second L-shaped plate 65, and the first L-shaped plate 62 and the second L-shaped plate 65 are also diagonally provided with grooves for accommodating the first heating rod 64 and the second heating rod 67. When the packaging is continued, the staff can start the first heating rod 64 or the second heating rod 67 on one side for single-layer packaging according to the packaging requirements, or can start the first heating rod 64 and the second heating rod 67 at the same time for double-layer hot-melt packaging, thereby improving the flexibility of the packaging process.

[0035] Among them, the flattening component 7 also includes a second motor 73, a gear 74, and a serrated plate 76. The bottom of the second motor 73 is fixedly installed on the top of the connecting block 71, the middle of the gear 74 is fixedly installed on the output end of the second motor 73, the side of the serrated plate 76 is fixedly installed on the top of the movable support clamp 75, and the outer surface of the gear 74 is meshed with the side of the serrated plate 76.

[0036] The working process of the utility model is as follows:

[0037] First, the plastic packaging bag to be packaged is placed inside the supporting box 5, and then the first motor 30 is started by the controller 8, the first rotating wheel 31 connected to the output end of the first motor 30 rotates, and the external meshing crawler 32 rotates, driving the connecting strip 4 and the supporting box 5 connected to the surface of the crawler 32 to move, and move to the inside of the chassis cover 2;

[0038] When the supporting box 5 and the placed plastic packaging bag are moved to the appropriate position, the controller 8 is used to control the electric telescopic rod 70 to extend and retract, so that the bottom ends of the fixed support clamp 72 and the movable support clamp 75 reach the appropriate position, and then the second motor 73 is started, the gear 74 connected to the output end of the second motor 73 rotates, and the movable support clamp 75 meshing with the gear 74 moves along the gear 74, driving the movable support clamp 75 to move along the inner surface of the connecting block 71, so that the bottom end of the movable support clamp 75 is separated from the bottom end of the fixed support clamp 72, thereby spreading the bag mouth of the plastic packaging bag flat;

[0039] Next, the cylinder 60 is controlled to extend through the controller 8, driving the first L-shaped plate 62 and the first heating rod 64 connected at the end to move toward the second L-shaped plate 65 until the first heating rod 64 and the second heating rod 67 are respectively in contact with the inner surfaces of the second L-shaped plate 65 and the first L-shaped plate 62. At the same time, the first heater 63 and the second heater 66 are started to heat the first heating rod 64 and the second heating rod 67 respectively, and the bag opening of the plastic packaging bag is double-layer hot-melt packaged under the action of the first heating rod 64 and the second heating rod 67.

[0040] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0041] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0042] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A double-layer hot-melt packaging device for plastic products, characterized in that: include Base (1); A chassis cover (2), the bottom of which is fixedly mounted on the top of the base (1); A hot melt packaging component (6), wherein the hot melt packaging component (6) is arranged inside the base (1); A flattening assembly (7), wherein the top of the flattening assembly (7) is fixedly mounted on the inner surface of the base (1), and the flattening assembly (7) comprises an electric telescopic rod (70), a connecting block (71), a fixed support clamp (72), and a movable support clamp (75), wherein the top of the electric telescopic rod (70) is fixedly mounted on the inner surface of the base (1), the top of the connecting block (71) is fixedly mounted on the bottom of the electric telescopic rod (70), the top end of the fixed support clamp (72) is fixedly mounted on the bottom of the connecting block (71), and the top end of the movable support clamp (75) is movably mounted on the inner surface of the connecting block (71).

2. A double-layer hot-melt packaging device for plastic products according to claim 1, characterized in that: It also includes a feeding assembly (3), a connecting strip (4), a supporting box (5), and a controller (8); the feeding assembly (3) is arranged at the bottom end of the chassis cover (2); the side of the connecting strip (4) is fixedly mounted to the outer surface of the feeding assembly (3); the middle of the supporting box (5) is fixedly mounted to the side of the connecting strip (4); and the side of the controller (8) is fixedly mounted to the outer surface of the chassis cover (2).

3. A double-layer hot-melt packaging device for plastic products according to claim 2, characterized in that: The feeding assembly (3) comprises a first motor (30), a first rotating wheel (31), a crawler (32), a shaft column (33), and a second rotating wheel (34); the outer surface of the first motor (30) is fixedly mounted on the inner surface of the base (1); the middle part of the first rotating wheel (31) is fixedly mounted on the output end of the first motor (30); the inner surface of the crawler (32) and the outer surface of the first rotating wheel (31) are meshed with each other; the bottom end of the shaft column (33) is movably mounted on the inner surface of the base (1); the middle part of the second rotating wheel (34) is fixedly mounted on the outer surface of the shaft column (33); and the inner surface of the crawler (32) and the outer surface of the second rotating wheel (34) are meshed with each other.

4. A double-layer hot-melt packaging device for plastic products according to claim 1, characterized in that: The hot melt packaging component (6) includes a cylinder (60), a spring (61), a first L-shaped plate (62), a first heater (63), and a first heating rod (64). The side end of the cylinder (60) is fixedly mounted to the inner surface of the base (1), the spring (61) is arranged inside the cylinder (60), the side of the first L-shaped plate (62) is fixedly mounted to the end of the cylinder (60), the bottom of the first heater (63) is fixedly mounted to the top of the first L-shaped plate (62), the side of the first heating rod (64) is fixedly mounted to the surface of the first L-shaped plate (62), and the first heating rod (64) is electrically connected to the first heater (63).

5. A double-layer hot-melt packaging device for plastic products according to claim 4, characterized in that: The hot melt packaging component (6) also includes a second L-shaped plate (65), a second heater (66), and a second heating rod (67). The side end of the second L-shaped plate (65) is fixedly mounted on the inner surface of the base (1), the outer surface of the first heating rod (64) is movably connected to the top of the second L-shaped plate (65), the bottom of the second heater (66) is fixedly mounted on the top of the second L-shaped plate (65), the side of the second heating rod (67) is fixedly mounted on the surface of the second L-shaped plate (65), the second heating rod (67) is electrically connected to the second heater (66), and the outer surface of the second heating rod (67) is movably connected to the bottom end of the first L-shaped plate (62).

6. A double-layer hot-melt packaging device for plastic products according to claim 1, characterized in that: The flattening assembly (7) also includes a second motor (73), a gear (74), and a sawtooth plate (76); the bottom of the second motor (73) is fixedly mounted on the top of the connecting block (71); the middle of the gear (74) is fixedly mounted on the output end of the second motor (73); the side of the sawtooth plate (76) is fixedly mounted on the top of the movable support clamp (75); and the outer surface of the gear (74) is meshed with the side of the sawtooth plate (76).

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