PE packaging bag sealing device

Abstract

The utility model discloses a PE packaging bag sealing device which comprises a base, a bottom heat sealing cutter is fixedly installed in the middle of the upper surface of the base, a fixing frame is fixedly installed at one end of the base, a hydraulic rod is fixedly installed at the top end of the fixing frame, and the movable end of the hydraulic rod penetrates through the fixing frame and is fixedly provided with a top heat sealing cutter. Supporting blocks capable of supporting a PE packaging bag are installed on the two sides of the bottom heat-sealing cutter, the PE packaging bag is placed on the supporting blocks, the bottom heat-sealing cutter and the placing frame, the two ends of the PE packaging bag are supported, people do not need to hold the PE packaging bag by hand, the top heat-sealing cutter is driven to descend through a hydraulic rod, and the PE packaging bag is placed on the supporting blocks, the bottom heat-sealing cutter and the placing frame. The extrusion blocks installed on the top heat-sealing cutter firstly extrude the PE packaging bag, the two extrusion blocks extrude the PE packaging bag, the PE packaging bags located on the two sides of a sealing area are extruded, the positions, corresponding to the two sides of the bottom heat-sealing cutter, of the PE packaging bag can be laid on chamfers, and it is guaranteed that the plane of the PE packaging bag located in the sealing area is clean and tidy.

Description

Technical Field

[0001] The utility model relates to the technical field of PE packaging bag sealing, in particular to a PE packaging bag sealing device. Background Art

[0002] PE packaging bags are packaging bags produced by thermoplastic resin obtained by polymerization of ethylene. They are transparent plastic bags that can be used for packaging clothing, luggage, electronic products, etc. When sealing PE packaging bags, heating and molding are used for sealing.

[0003] In the existing PE packaging bag heating and molding technology, the PE packaging bag is often held by hand to the bottom heat sealing knife, and then the upper heat sealing knife is moved downward, and the two heat sealing knives are brought into contact to squeeze, heat and seal the PE packaging bag. However, in this operation, the PE packaging bag needs to be held by hand at all times, which is relatively cumbersome. At the same time, when the upper heat sealing knife moves downward and contacts the bottom heat sealing knife, there is no device to flatten the sealed area, so the area to be sealed of the PE packaging bag will be skewed, affecting the sealing quality of the PE packaging bag. Utility Model Content

[0004] The purpose of the utility model is to provide a PE packaging bag sealing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PE packaging bag sealing device, comprising a base, a bottom heat-sealing knife is fixedly installed in the middle of the upper surface of the base, a fixing frame is fixedly installed at one end of the base, a hydraulic rod is fixedly installed at the top of the fixing frame, a top heat-sealing knife is fixedly installed on the movable end of the hydraulic rod through the fixing frame, support blocks that can support the PE packaging bag are installed on both sides of the bottom heat-sealing knife, the support blocks are arranged parallel to the top of the bottom heat-sealing knife in an initial state, extrusion blocks that can extrude and flatten both sides of the extrusion surface of the PE packaging bag are symmetrically installed on both sides of the top heat-sealing knife, and the extrusion blocks are arranged lower than the bottom end of the top heat-sealing knife in an initial state.

[0006] As a further preferred embodiment of the present technical solution, chamfers are provided on both sides of the top end of the bottom heat sealing knife.

[0007] As a further preferred embodiment of the present technical solution, a first sliding hole is symmetrically opened at the bottom end of the support block, a first sliding rod is fixedly installed at a position corresponding to the first sliding hole on the base, the first sliding rod is slidably connected to the first sliding hole, a first return spring is sleeved on the outer side of the bottom end of the first sliding rod, the top end of the first return spring is fixedly connected to the support block, and the bottom end of the first return spring is fixedly connected to the base.

[0008] As a further preferred embodiment of the present technical solution, mounting blocks are symmetrically fixedly installed on both sides of the top heat sealing knife, a second sliding hole is opened in the middle of the mounting block, a second sliding rod is slidably installed inside the second sliding hole, the bottom end of the second sliding rod is fixedly connected to the extrusion block, a second return spring is sleeved on the outer side of the top end of the second sliding rod, the top end of the second return spring is fixedly connected to the top end driven by the second sliding rod, and the bottom end of the second return spring is fixedly connected to the mounting block.

[0009] As a further preferred embodiment of the present technical solution, the extrusion block is made of plastic.

[0010] As a further preferred embodiment of the present technical solution, a placement rack is fixedly mounted on one end of the base away from the fixing rack.

[0011] The utility model provides a PE packaging bag sealing device, which has the following beneficial effects:

[0012] (1) The utility model supports both ends of the PE packaging bag by placing the PE packaging bag on a support block, a bottom heat-sealing knife and a placement rack, eliminating the need for people to hold the PE packaging bag.

[0013] (2) The utility model drives the top heat-sealing knife to descend through a hydraulic rod, and the extrusion block installed on the top heat-sealing knife will first be squeezed with the PE packaging bag, and the two extrusion blocks will be squeezed with the PE packaging bag, and the PE packaging bags on both sides of the sealing area will be squeezed, and the positions of the PE packaging bags corresponding to the two sides of the bottom heat-sealing knife can be laid on the chamfers to ensure that the plane of the PE packaging bag in the sealing area is neat. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the overall structural diagrams of the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the overall explosion structure of the utility model;

[0017] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0018] In the figure: 1. base; 2. bottom heat sealing knife; 3. fixed frame; 4. hydraulic rod; 5. top heat sealing knife; 6. support block; 7. extrusion block; 8. chamfer; 9. first sliding hole; 10. first sliding rod; 11. first return spring; 12. mounting block; 13. second sliding hole; 14. second sliding rod; 15. second return spring; 16. placement frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figures 1 to 4 As shown, in this embodiment, a PE packaging bag sealing device comprises a base 1, a bottom heat sealing knife 2 is fixedly installed in the middle of the upper surface of the base 1, a fixing frame 3 is fixedly installed at one end of the base 1, a hydraulic rod 4 is fixedly installed at the top of the fixing frame 3, a top heat sealing knife 5 is fixedly installed on the movable end of the hydraulic rod 4 through the fixing frame 3, support blocks 6 for supporting the PE packaging bag are installed on both sides of the bottom heat sealing knife 2, and the support blocks 6 are arranged parallel to the top of the bottom heat sealing knife 2 in the initial state, and extrusion blocks 7 for extruding and flattening both sides of the extrusion surface of the PE packaging bag are symmetrically installed on both sides of the top heat sealing knife 5, and the extrusion blocks 7 are arranged lower than the bottom end of the top heat sealing knife 5 in the initial state.

[0021] like Figures 1 to 4 As shown, chamfers 8 are provided on both sides of the top of the bottom heat sealing knife 2 .

[0022] When the extrusion block 7 extrudes the PE packaging bag, the positions of the PE packaging bag corresponding to the two sides of the bottom heat-sealing knife 2 can be laid on the chamfer 8 to squeeze and flatten the PE packaging bag.

[0023] like Figures 1 to 4 As shown, a first sliding hole 9 is symmetrically opened at the bottom end of the support block 6, and a first sliding rod 10 is fixedly installed at a position corresponding to the first sliding hole 9 on the base 1. The first sliding rod 10 is slidably connected to the first sliding hole 9, and a first return spring 11 is sleeved on the outer side of the bottom end of the first sliding rod 10. The top end of the first return spring 11 is fixedly connected to the support block 6, and the bottom end of the first return spring 11 is fixedly connected to the base 1.

[0024] When the squeezing block 7 and the PE packaging bag are squeezed, the second sliding rod 14 will slide inside the second sliding hole 13, and the second return spring 15 will be in an extended state to prevent excessive squeezing of the PE packaging bag.

[0025] like Figures 1 to 4 As shown, mounting blocks 12 are symmetrically fixedly installed on both sides of the top heat sealing knife 5, a second sliding hole 13 is opened in the middle of the mounting block 12, a second sliding rod 14 is slidably installed inside the second sliding hole 13, the bottom end of the second sliding rod 14 is fixedly connected to the extrusion block 7, a second return spring 15 is sleeved on the outer side of the top end of the second sliding rod 14, the top end of the second return spring 15 is fixedly connected to the top end driven by the second sliding rod 14, and the bottom end of the second return spring 15 is fixedly connected to the mounting block 12.

[0026] When the extrusion block 7 squeezes the PE packaging bag, the extrusion block 7 will squeeze the support block 6 downward, the first slide bar 10 will slide inside the first slide hole 9, and the first return spring 11 is in a compressed state, providing an area for the extrusion block 7 to descend.

[0027] like Figures 1 to 4 As shown, the extrusion block 7 is made of plastic.

[0028] Prevent heating and sealing from occurring when the bottom of the extrusion block 7 contacts the support block 6 .

[0029] like Figures 1 to 4 As shown, a placement frame 16 is fixedly mounted on one end of the base 1 away from the fixing frame 3 .

[0030] Used to support the rear part of the PE packaging bag.

[0031] The utility model provides a PE packaging bag sealing device, and the specific working principle is as follows:

[0032] When the device is in use, the PE packaging bag is placed on the support block 6, the bottom heat-sealing knife 2 and the placement rack 16 to support both ends of the PE packaging bag without people holding the PE packaging bag. The top heat-sealing knife 5 is then driven down by the hydraulic rod 4, and the extrusion block 7 installed on the top heat-sealing knife 5 will first be squeezed with the PE packaging bag, and the two extrusion blocks 7 will be squeezed with the PE packaging bag to squeeze the PE packaging bags on both sides of the sealing area to ensure that the plane of the PE packaging bag in the sealing area is neat. At this time, the second slide bar 14 will slide inside the second slide hole 13, the second return spring 15 is in an elongated state, and the extrusion block 7 will squeeze and lower the support block 6, the first slide bar 10 will slide inside the first slide hole 9, and the first return spring 11 is in a compressed state, and is used to seal the PE packaging bag when the top heat-sealing knife 5 contacts the bottom heat-sealing knife 2;

[0033] After the PE packaging bag is sealed, the top heat-sealing knife 5 is driven to rise by the hydraulic rod 4, and the top heat-sealing knife 5 and the bottom heat-sealing knife 2 move away from each other. The second slide bar 14 will slide in the opposite direction inside the second slide hole 13 under the pull of the second return spring 15, and the first slide bar 10 will slide in the opposite direction inside the first slide hole 9 under the push of the first return spring 11, and the extrusion block 7 and the support block 6 will return to their initial state.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PE packaging bag sealing device, comprising a base (1), a bottom heat sealing knife (2) is fixedly mounted in the middle of the upper surface of the base (1), a fixing frame (3) is fixedly mounted at one end of the base (1), a hydraulic rod (4) is fixedly mounted at the top of the fixing frame (3), and a top heat sealing knife (5) is fixedly mounted at the movable end of the hydraulic rod (4) through the fixing frame (3), characterized in that: Support blocks (6) capable of supporting the PE packaging bag are installed on both sides of the bottom heat-sealing knife (2); the support blocks (6) are arranged parallel to the top end of the bottom heat-sealing knife (2) in an initial state; and extrusion blocks (7) capable of extruding and flattening both sides of the extrusion surface of the PE packaging bag are symmetrically installed on both sides of the top heat-sealing knife (5); the extrusion blocks (7) are arranged lower than the bottom end of the top heat-sealing knife (5) in an initial state.

2. A PE packaging bag sealing device according to claim 1, characterized in that: Chamfers (8) are provided on both sides of the top end of the bottom heat sealing knife (2).

3. A PE packaging bag sealing device according to claim 1, characterized in that: A first sliding hole (9) is symmetrically provided at the bottom end of the support block (6); a first sliding rod (10) is fixedly installed at a position corresponding to the first sliding hole (9) on the base (1); the first sliding rod (10) is slidably connected to the first sliding hole (9); a first return spring (11) is sleeved on the outer side of the bottom end of the first sliding rod (10); the top end of the first return spring (11) is fixedly connected to the support block (6); and the bottom end of the first return spring (11) is fixedly connected to the base (1).

4. A PE packaging bag sealing device according to claim 1, characterized in that: The top heat sealing knife (5) is symmetrically and fixedly installed with mounting blocks (12), a second sliding hole (13) is opened in the middle of the mounting block (12), a second sliding rod (14) is slidably installed inside the second sliding hole (13), the bottom end of the second sliding rod (14) is fixedly connected to the extrusion block (7), a second return spring (15) is sleeved on the outer side of the top end of the second sliding rod (14), the top end of the second return spring (15) is fixedly connected to the top end driven by the second sliding rod (14), and the bottom end of the second return spring (15) is fixedly connected to the mounting block (12).

5. A PE packaging bag sealing device according to claim 1, characterized in that: The extrusion block (7) is made of plastic.

6. A PE packaging bag sealing device according to claim 1, characterized in that: A placement frame (16) is fixedly mounted on one end of the base (1) away from the fixing frame (3).

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