Automatic plastic packaging device

Abstract

The utility model relates to the technical field of automatic plastic packaging, and discloses an automatic plastic packaging device which comprises a main body mechanism, a guide mechanism and a thermal shrinkage mechanism, the guide mechanism is located at the top end of the main body mechanism, and the thermal shrinkage mechanism is located at the top end of the main body mechanism; the main body mechanism comprises a workbench, the top end of the workbench is fixedly connected with a mounting frame, the surface of the mounting frame is rotatably connected with a conveying belt, the top end of the mounting frame is fixedly connected with an electric telescopic rod, and the top end of the electric telescopic rod is fixedly connected with a mounting plate. By arranging the cutter, a product is placed on the conveying belt, the driving assembly in the conveying belt drives the product to move, the product is wrapped by the plastic package bag while moving, and when the product moves to the lower end of the cutter, the electric telescopic rod drives the mounting plate and the cutter to move downwards; and the cutter is heated by the resistance wire in the cutter to keep high temperature, so that the plastic package bag is cut and sealed, the operation difficulty is reduced, and the workload is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic plastic sealing, in particular to an automatic plastic sealing device. Background Art

[0002] During the production process of products, merchants will package them before selling them. Most of the packaging is done in plastic bags. When packaging, people usually wrap the bags on the surface of the materials and then seal the two ends of the bags.

[0003] When the product is sealed in plastic, in order to ensure that the plastic bag can wrap the product, the size of the plastic bag will be larger than the size of the product, resulting in some excess scraps after plastic sealing. In order to make the surface of the plastic bag of the product smooth, manual cutting is usually used to remove the corner margins of the plastic bag, resulting in a large workload and low production efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an automatic plastic sealing device.

[0005] The utility model is implemented by the following technical scheme: an automatic plastic sealing device, comprising a main body mechanism, a guide mechanism and a heat shrink mechanism, wherein the guide mechanism is located at the top of the main body mechanism, and the heat shrink mechanism is located at the top of the main body mechanism;

[0006] The main mechanism includes a workbench, the top of the workbench is fixedly connected to a mounting frame, the surface of the mounting frame is rotatably connected to a conveyor belt, the top of the mounting frame is fixedly connected to an electric telescopic rod, the top of the electric telescopic rod is fixedly connected to a mounting plate, and the bottom of the mounting plate is fixedly connected to a cutter.

[0007] Through the above technical solution, the mounting plate and the cutter are driven down by the electric telescopic rod, and the resistance wire inside the cutter keeps the temperature high so as to cut the plastic packaging bag, thereby reducing the workload and improving the production efficiency.

[0008] As a further improvement of the above solution, the number of the electric telescopic rods is two, and a heating wire is provided inside the cutter.

[0009] As a further improvement of the above scheme, the guide mechanism includes a support column, which is fixedly connected to the top of the mounting frame, the top of the support column is fixedly connected to a fixing plate, the middle of the fixing plate is provided with a guide rod, the top of the fixing plate is fixedly connected to an L-shaped plate, the top of the L-shaped plate is fixedly connected to a guide plate, the top of the mounting frame is fixedly connected to a mounting block, and the middle of the mounting block is rotatably connected to a guide wheel.

[0010] Through the above technical solution, the plastic-sealed bags are guided by the guide rods and the guide plates, thereby improving the convenience of arranging and conveying the plastic-sealed bags.

[0011] As a further improvement of the above scheme, the number of the support columns is set to two, the top end of the support column is fixedly connected with a threaded column, the number of the fixing plates corresponds to the number of the support columns, the appearance of the guide plate is triangular, the number of the mounting blocks is set to two, and the number of the guide wheels corresponds to the number of the mounting blocks.

[0012] As a further improvement of the above scheme, the heat shrink mechanism includes a heat shrink box, which is fixedly connected to the top of the mounting frame, the inner wall of the heat shrink box is fixedly connected with a sealing rubber plate, the top of the inner wall of the heat shrink box is fixedly connected with a heating plate, the front of the mounting frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a rotating rod, the surface of the rotating rod is fixedly connected with a driving wheel, the surface of the driving wheel is meshed with a rack, the inner wall of the rack is meshed with a driven wheel, and the side of the rack away from the driving motor is fixedly connected with a conveying roller.

[0013] Through the above technical solution, the driving motor drives the rotating rod to rotate, the conveying roller drives the product to move, and at the same time the plastic bag is heated and shrunk by the heating plate, thereby improving the convenience of heat shrinking the plastic bag.

[0014] As a further improvement of the above scheme, a plurality of heating rods are arranged inside the heating plate, the rotating rod passes through the mounting frame and the driving wheel and is connected to the driven wheel, two racks are arranged, and the two racks are symmetrically distributed with the mounting frame as the center, and a plurality of conveying rollers are arranged.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model provides a cutter, specifically, places the product on a conveyor belt, and drives the conveyor belt to rotate and the product to move through a driving component inside the conveyor belt. The product is wrapped in a plastic bag while moving, and when the product moves to the lower end of the cutter, an electric telescopic rod drives the mounting plate and the cutter to move downward. The cutter is heated by an internal resistance wire to maintain a high temperature, thereby cutting and sealing the plastic bag, reducing the difficulty of operation and the workload.

[0017] The utility model sets a conveying roller and specifically starts a driving motor, which drives a rotating rod and a driving wheel to rotate through the driving motor, transmits power to a driven wheel through a rack on the surface of the driving wheel, and enables the conveying roller to convey the product through the joint action of the driving wheel and the driven wheel. At the same time, a heating rod in the heating plate heats the air in the heat shrink box, and the temperature inside the heat shrink box is maintained through a sealing strip. Under the action of high temperature, the plastic sealing bag is heat-shrunk to wrap the product, thereby improving the convenience of heat shrinking the plastic sealing bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A. Schematic diagram of the enlarged structure;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the heat shrink box of the utility model;

[0021] Figure 4 For this utility model Figure 3 B is an enlarged schematic diagram of the structure.

[0022] Description of main symbols:

[0023] Main body; 101, workbench; 102, mounting frame; 103, conveyor belt; 104, electric telescopic rod; 105, mounting plate; 106, cutter; 2, guide mechanism; 201, support column; 202, fixing plate; 203, guide rod; 204, L-shaped plate; 205, guide plate; 206, mounting block; 207, guide wheel; 3, heat shrink mechanism; 301, heat shrink box; 302, sealing rubber sheet; 303, heating plate; 304, driving motor; 305, rotating rod; 306, driving wheel; 307, rack; 308, driven wheel; 309, conveying roller. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example

[0025] Please combine Figure 1-4 , an automatic plastic sealing device of this embodiment includes a main body mechanism 1, a guide mechanism 2 and a heat shrink mechanism 3, wherein the guide mechanism 2 is located at the top of the main body mechanism 1, and the heat shrink mechanism 3 is located at the top of the main body mechanism 1;

[0026] The main mechanism 1 includes a workbench 101, the top of the workbench 101 is fixedly connected to a mounting frame 102, the surface of the mounting frame 102 is rotatably connected to a conveyor belt 103, the top of the mounting frame 102 is fixedly connected to an electric telescopic rod 104, the top of the electric telescopic rod 104 is fixedly connected to a mounting plate 105, the bottom of the mounting plate 105 is fixedly connected to a cutter 106, the mounting plate 105 and the cutter 106 are driven down by the electric telescopic rod 104, the resistance wire inside the cutter 106 keeps the temperature high so as to cut the plastic bag, thereby reducing the workload and improving the production efficiency.

[0027] There are two electric telescopic rods 104 , and a heating wire is disposed inside the cutter 106 .

[0028] The guiding mechanism 2 includes a supporting column 201, which is fixedly connected to the top of the mounting frame 102. The top of the supporting column 201 is fixedly connected to a fixing plate 202, and a guide rod 203 is arranged in the middle of the fixing plate 202. The top of the fixing plate 202 is fixedly connected to an L-shaped plate 204, and the top of the L-shaped plate 204 is fixedly connected to a guide plate 205. The top of the mounting frame 102 is fixedly connected to a mounting block 206, and the middle of the mounting block 206 is rotatably connected to a guide wheel 207. The plastic bags are guided by the guide rod 203 and the guide plate 205, thereby improving the convenience of sorting and conveying the plastic bags.

[0029] There are two support columns 201, the top of the support column 201 is fixedly connected with a threaded column, the number of fixing plates 202 and support columns 201 corresponds, the appearance of the guide plate 205 is triangular, there are two mounting blocks 206, and the number of guide wheels 207 and mounting blocks 206 corresponds.

[0030] The heat shrink mechanism 3 includes a heat shrink box 301, which is fixedly connected to the top of the mounting frame 102. The inner wall of the heat shrink box 301 is fixedly connected with a sealing rubber plate 302, and the top of the inner wall of the heat shrink box 301 is fixedly connected with a heating plate 303. The front of the mounting frame 102 is fixedly connected with a driving motor 304, and the output end of the driving motor 304 is fixedly connected with a rotating rod 305. The surface of the rotating rod 305 is fixedly connected with a driving wheel 306, and the surface of the driving wheel 306 is meshed with a rack 307, and the inner wall of the rack 307 is meshed with a driven wheel 308. The side of the rack 307 away from the driving motor 304 is fixedly connected with a conveying roller 309. The driving motor 304 drives the rotating rod 305 to rotate, and the conveying roller 309 drives the product to move. At the same time, the plastic sealing bag is heated and heat-shrunk by the heating plate 303, thereby improving the convenience of heat shrinking the plastic sealing bag.

[0031] A plurality of heating rods are arranged inside the heating plate 303. The rotating rod 305 passes through the mounting frame 102 and the driving wheel 306 and is connected to the driven wheel 308. Two racks 307 are arranged, and the two racks 307 are symmetrically distributed with the mounting frame 102 as the center. A plurality of conveying rollers 309 are arranged.

[0032] The implementation principle of an automatic plastic sealing device in the embodiment of the present application is:

[0033] The plastic bag is installed on the device through the guide rod 203 and the guide plate 205, and the direction of the plastic bag is adjusted by the guide wheel 207. The product is placed on the conveyor belt 103, and the conveyor belt 103 is driven to rotate and the product is moved by the driving component inside the conveyor belt 103. The product is wrapped by the plastic bag while moving. When it moves to the lower end of the cutter 106, the electric telescopic rod 104 drives the mounting plate 105 and the cutter 106 to move downward. The cutter 106 is heated by the resistance wire inside it to maintain a high temperature, thereby The bag is cut and sealed, and the driving motor 304 is started. The driving motor 304 drives the rotating rod 305 and the driving wheel 306 to rotate, and the power is transmitted to the driven wheel 308 through the rack 307 on the surface of the driving wheel 306. The driving wheel 306 and the driven wheel 308 work together to make the conveying roller 309 convey the product. At the same time, the heating rod in the heating plate 303 heats the air in the heat shrink box 301, and the temperature inside the heat shrink box 301 is maintained by the sealing strip. Under the action of high temperature, the plastic bag shrinks and wraps the product.

[0034] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. An automatic plastic sealing device, characterized in that: It comprises a main body mechanism (1), a guide mechanism (2) and a heat shrink mechanism (3), wherein the guide mechanism (2) is located at the top end of the main body mechanism (1), and the heat shrink mechanism (3) is located at the top end of the main body mechanism (1); The main body mechanism (1) comprises a workbench (101), the top end of the workbench (101) is fixedly connected to a mounting frame (102), the surface of the mounting frame (102) is rotatably connected to a conveyor belt (103), the top end of the mounting frame (102) is fixedly connected to an electric telescopic rod (104), the top end of the electric telescopic rod (104) is fixedly connected to a mounting plate (105), and the bottom end of the mounting plate (105) is fixedly connected to a cutter (106).

2. The automatic plastic sealing device according to claim 1, characterized in that: The number of the electric telescopic rods (104) is two, and a heating wire is arranged inside the cutter (106).

3. The automatic plastic sealing device according to claim 1, characterized in that: The guide mechanism (2) comprises a support column (201), the support column (201) being fixedly connected to the top end of the mounting frame (102), the top end of the support column (201) being fixedly connected to a fixing plate (202), a guide rod (203) being arranged in the middle of the fixing plate (202), the top end of the fixing plate (202) being fixedly connected to an L-shaped plate (204), the top end of the L-shaped plate (204) being fixedly connected to a guide plate (205), the top end of the mounting frame (102) being fixedly connected to a mounting block (206), and the middle of the mounting block (206) being rotatably connected to a guide wheel (207).

4. An automatic plastic sealing device as claimed in claim 3, characterized in that: The number of the support columns (201) is two, the top end of the support column (201) is fixedly connected with a threaded column, the number of the fixing plates (202) and the number of the support columns (201) correspond, the appearance of the guide plate (205) is triangular, the number of the mounting blocks (206) is two, and the number of the guide wheels (207) and the number of the mounting blocks (206) correspond.

5. The automatic plastic sealing device according to claim 1, characterized in that: The heat shrink mechanism (3) comprises a heat shrink box (301), the heat shrink box (301) is fixedly connected to the top of the mounting frame (102), the inner wall of the heat shrink box (301) is fixedly connected to a sealing rubber plate (302), the top of the inner wall of the heat shrink box (301) is fixedly connected to a heating plate (303), the front of the mounting frame (102) is fixedly connected to a driving motor (304), the output end of the driving motor (304) is fixedly connected to a rotating rod (305), the surface of the rotating rod (305) is fixedly connected to a driving wheel (306), the surface of the driving wheel (306) is meshed with a rack (307), the inner wall of the rack (307) is meshed with a driven wheel (308), and the side of the rack (307) away from the driving motor (304) is fixedly connected to a conveying roller (309).

6. An automatic plastic sealing device as claimed in claim 5, characterized in that: A plurality of heating rods are arranged inside the heating plate (303); the rotating rod (305) passes through the mounting frame (102) and the driving wheel (306) and is connected to the driven wheel (308); two racks (307) are provided, and the two racks (307) are symmetrically distributed with the mounting frame (102) as the center; and a plurality of conveying rollers (309) are provided.

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