Guide structure of packaging bag heat sealing machine

Abstract

The guide structure of the packaging bag heat sealing machine comprises a transversely-arranged base, a moving mechanism and a fixing mechanism are arranged on the upper surface of the base, the moving mechanism comprises two long grooves which are formed in the top of the base and are longitudinally arranged, and the interiors of the two long grooves are rotationally connected with first screw rods which are horizontally arranged. According to the guide structure of the packaging bag heat sealing machine, the first motor drives the first screw rod to rotate so as to drive the first screw block, the front side rotating shaft and the rotating belt to move front and back, the third motor drives the second screw rod to rotate so as to drive the second screw block to move downwards, and the guide structure is simple and practical; according to the packaging bag heat sealing device, packaging bags with different thicknesses can be fixedly clamped when the device conducts heat sealing work on packaging paper, the phenomenon that the packaging bags cannot be moved due to the fact that the thickness of the packaging paper is not matched with the thickness of a conveying belt is avoided, and convenience is brought to operators.

Description

Technical Field

[0001] The utility model relates to the technical field of heat sealing machines, in particular to a guiding structure of a packaging bag heat sealing machine. Background Art

[0002] Packaging bags have become an almost indispensable part of modern life. Most of the products sold on the market now require packaging bags for external packaging. The packaging bag heat sealing machine is a device used to heat seal the edges of packaging bag products to close the edges of the packaging bag.

[0003] Heat sealers are machines that apply heat to specific contact areas or paths through a continuously heated mold or sealing strip to seal or weld thermoplastics together. Heat sealers are widely used for sealing packaging bags. There are many types of heat sealers on the market. Heat sealers are widely used in the production process of enterprises. After the enterprise produces the product, it places the product inside the packaging bag and places the bag opening on the heat sealer to heat seal the bag opening.

[0004] A guide mechanism is provided in each heat sealer to drive the packaging bag to move along a defined route, so that the heat sealer can perform heat sealing on the packaging bag faster and more conveniently. Application number: 202223156967.8, discloses a heat sealer for packaging bags, which is provided with a conveyor belt, a rotating shaft and a transmission assembly as a guide mechanism to transport the packaging bag for a fixed distance. However, when the packaging bag is clamped between two conveyor belts for movement, since the gap between the two conveyor belts is fixed, and the thickness of different packaging bags is different, when the thickness of the packaging bag does not match the thickness between the two conveyor belts, the conveyor belt cannot drive the packaging bag to move, and thus heat sealing cannot be performed, causing inconvenience to the operator.

[0005] Therefore, it is necessary to provide a guide structure for a packaging bag heat sealing machine to solve the above technical problems. Utility Model Content

[0006] The utility model provides a guiding structure of a packaging bag heat sealing machine, which solves the problem in the related technology that the existing guiding mechanisms of some heat sealing machines are inconvenient to fix and clamp the packaging bags when in use.

[0007] In order to solve the above technical problems, the utility model provides a guide structure of a packaging bag heat sealing machine, comprising: a transversely placed base, the upper surface of which is provided with a moving mechanism and a fixing mechanism;

[0008] The moving mechanism includes two long grooves opened on the top of the base and placed longitudinally, the interiors of the two long grooves are rotatably connected with horizontally placed first screw rods, the peripheral side surfaces of the two first screw rods are threadedly connected with first screw blocks that can move forward and backward, the peripheral side surfaces of the two first screw blocks are respectively slidably connected with the interior of the base, the upper surfaces of the two first screw blocks and both sides of the upper surface of the base are fixed with four vertically placed support frames by bolts, the upper surfaces of the four support frames are fixed with longitudinally placed rotating shafts, and the four rotating shafts are provided with transversely placed rotating belts on the opposite sides of the two rotating shafts, and the two rotating belts are parallel to each other;

[0009] The fixing mechanism includes four vertical plates respectively fixed inside the two rotating belts, two transversely placed first sliding rods are fixed on the sides of the four vertical plates opposite to each other, the interiors of the two left vertical plates are penetrated by transversely placed first telescopic rods, the extended ends of the two first telescopic rods are fixed with first sliding blocks, the inner sides of the two first sliding blocks are respectively slidably connected to the peripheral side surfaces of the two first sliding rods and the two rotating belts, the lower surfaces of the two first sliding blocks and the lower surfaces of the two rotating belts are fixed with hollow fixing blocks, the bottoms of the four hollow fixing blocks are rotatably connected to vertically placed second screws, and the peripheral side surfaces of the four second screws are threadedly connected to second screw blocks that can move up and down.

[0010] Preferably, two first motors for driving the first screw to rotate are respectively arranged on the front side of the base, and second motors placed longitudinally and with output ends opposite to each other are fixed on the side where the two rotating shafts on the left are separated, and the bottoms of the four hollow fixed blocks are fixed with flat plates through connecting rods, and the tops of the four flat plates are respectively rotatably connected to the bottom ends of the four second screws.

[0011] Preferably, the top of the four second screw peripheral sides and the inside of the hollow fixed block are fixedly connected with a horizontally placed first gear, the bottom of the four hollow fixed blocks are provided with a vertically placed third motor with the output end facing upward, the output ends of the four third motors respectively pass through the bottom of the four hollow fixed blocks and extend to the inside of the four hollow fixed blocks, the output ends of the four third motors are fixed with a horizontally placed second gear, and the right sides of the four second gears are respectively meshed with the left sides of the four first gears.

[0012] Preferably, a U-shaped frame with an opening facing downward is fixed in the middle of the upper surface of the base, a square through slot is provided on the top of the U-shaped frame, and a longitudinally placed second sliding rod is provided inside the square through slot and inside the U-shaped frame.

[0013] Preferably, two second telescopic rods placed longitudinally with their extended ends facing backwards are fixed to the front of the U-shaped frame, and the extended ends of the two second telescopic rods are fixed with second sliders that can slide back and forth, and the inner sides of the two second sliders are respectively slidably connected to the peripheral side surfaces of the two second slide rods.

[0014] Preferably, a heat sealing assembly is fixed to one opposite side of the two second sliding blocks, and the heat sealing assembly includes a telescopic rod, a heater, and a pressing plate assembly.

[0015] Compared with the related art, the guide structure of the packaging bag heat sealing machine provided by the utility model has the following beneficial effects:

[0016] The utility model provides a guiding structure of a packaging bag heat sealing machine, wherein a first motor drives a first screw to rotate, thereby driving a first screw block, a front rotating shaft and a rotating belt to move forward and backward, and a third motor drives a second gear and a first gear to rotate, thereby driving a second screw to rotate, and further driving a second screw block to move downward. The structure is simple and practical, so that the device can fix and clamp packaging bags of different thicknesses when performing heat sealing on packaging paper, avoiding the phenomenon that the packaging bag cannot be moved due to the mismatch between the thickness of the packaging paper and the thickness of the conveyor belt, and bringing convenience to the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural schematic diagram of a preferred embodiment of a guide structure of a packaging bag heat sealing machine provided by the utility model;

[0018] Figure 2 for Figure 1 A schematic structural diagram of a front view of the base shown;

[0019] Figure 3 for Figure 1 A schematic diagram of the structure of the front cross-sectional view of the idle fixing frame shown;

[0020] Figure 4 for Figure 1 The structural schematic diagram of the left view of the U-shaped frame shown.

[0021] Numbers in the figure: 1. base; 2. moving mechanism; 3. fixing mechanism; 21. long groove; 22. first screw; 23. first screw block; 24. support frame; 25. rotating shaft; 26. rotating belt; 27. first motor; 28. second motor; 31. vertical plate; 32. first slide bar; 33. first telescopic rod; 34. first slider; 35. hollow fixing block; 36. second screw; 37. second screw block; 38. flat plate; 4. first gear; 5. third motor; 6. second gear; 7. U-shaped frame; 8. square through groove; 9. second slide bar; 10. second telescopic rod; 11. second slider; 12. heat sealing assembly. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 A structural schematic diagram of a preferred embodiment of a guide structure of a packaging bag heat sealing machine provided by the utility model; Figure 2 for Figure 1 A schematic structural diagram of a front view of the base shown; Figure 3 for Figure 1 A schematic diagram of the structure of the front cross-sectional view of the idle fixing frame shown;

[0024] Figure 4 for Figure 1 The structural schematic diagram of the left view of the U-shaped frame shown is a guide structure of a packaging bag heat sealing machine, comprising: a transversely placed base 1, and a moving mechanism 2 and a fixing mechanism 3 are arranged on the upper surface of the base 1.

[0025] The base 1 is provided to fix all components used in the device, the moving mechanism 2 is provided to drive the fixing mechanism 3 to move and adjust the position between the fixing mechanisms 3 on the front and back sides, and the fixing mechanism 3 is provided to fix the packaging paper.

[0026] The moving mechanism 2 includes two long grooves 21 opened on the top of the base 1 and placed longitudinally, the interior of the two long grooves 21 is rotatably connected with a horizontally placed first screw rod 22, the peripheral side surfaces of the two first screw rods 22 are threadedly connected with a first screw block 23 that can move forward and backward, the peripheral side surfaces of the two first screw blocks 23 are respectively slidably connected to the interior of the base 1, and four vertically placed support frames 24 are fixed to the upper surfaces of the two first screw blocks 23 and both sides of the upper surface of the base 1 by bolts, and the upper surfaces of the four support frames 24 are fixed with longitudinally placed rotating shafts 25, and the four rotating shafts 25 are provided with transversely placed rotating belts 26 on the opposite sides of each other, and the two rotating belts 26 are parallel to each other.

[0027] By setting the long groove 21, the first screw rod 22 and the first screw block 23 are placed inside the base 1. By setting the first screw block 23 to be threadedly connected with the first screw rod 22, it can be satisfied that when the first screw rod 22 rotates, the first screw block 23 can be driven to move forward and backward along the peripheral side of the first screw rod 22, thereby driving the two front support frames 24 to move forward and backward. The support frame 24 is set to fix the rotating shaft 25. By setting the rotating shaft 25 and the rotating belt 26, a transmission component that can move left and right is formed when rotating, thereby driving the fixing mechanism 3 to move left and right.

[0028] The fixing mechanism 3 includes four vertical plates 31 respectively fixed inside the two rotating belts 26, two transversely placed first sliding rods 32 are fixed on the opposite sides of the four vertical plates 31, and the interiors of the two left vertical plates 31 are penetrated by transversely placed first telescopic rods 33, and the extended ends of the two first telescopic rods 33 are fixed with first sliding blocks 34, and the inner sides of the two first sliding blocks 34 are slidingly connected to the peripheral side surfaces of the two first sliding rods 32 and the two rotating belts 26 respectively, and hollow fixing blocks 35 are fixed to the lower surfaces of the two first sliding blocks 34 and the lower surfaces of the two rotating belts 26, and the bottoms of the four hollow fixing blocks 35 are rotatably connected to vertically placed second screws 36, and the peripheral side surfaces of the four second screws 36 are threadedly connected to second screw blocks 37 that can move up and down.

[0029] The vertical plate 31 is provided to fix the first sliding bar 32, the first telescopic rod 33 and the first sliding block 34 on the rotating belt 26. The first sliding bar 32 is provided to stabilize the first sliding block 34 when it moves left and right. The first telescopic rod 33 is provided to drive the first sliding block 34 to move left and right. The first sliding block 34 is fixedly connected to the two hollow fixed blocks 35 on the right side, so that when the first sliding block 34 moves left and right, it can drive the two hollow fixed blocks 35 on the right side to move together. The hollow fixed block 35 is provided to fix the second screw rod 36. The second screw rod 36 is provided to drive the second screw block 37 to move up and down when rotating. The length of the second screw block 37 is consistent with the length of the plate 38.

[0030] Two first motors 27 for driving the first screw rod 22 to rotate are respectively arranged on the front side of the base 1, and second motors 28 placed longitudinally and with output ends facing each other are fixed on the separated sides of the two rotating shafts 25 on the left side. The bottoms of the four hollow fixed blocks 35 are fixed with flat plates 38 through connecting rods, and the tops of the four flat plates 38 are rotatably connected to the bottom ends of the four second screw rods 36 respectively.

[0031] The first motor 27 is used to provide power for the first screw 22 to rotate, the second motor 28 is used to provide power for the left rotating shaft 25 to rotate, and the flat plate 38 is used to cooperate with the second screw block 37 to form a clamping assembly for clamping packaging paper.

[0032] A horizontally placed first gear 4 is fixedly connected to the top of the side surfaces of the four second screw rods 36 and located inside the hollow fixed block 35. A vertically placed third motor 5 with the output end facing upward is arranged at the bottom of the four hollow fixed blocks 35. The output ends of the four third motors 5 respectively pass through the bottoms of the four hollow fixed blocks 35 and extend to the inside of the four hollow fixed blocks 35. A horizontally placed second gear 6 is fixed to the output ends of the four third motors 5. The right sides of the four second gears 6 are respectively meshed with the left sides of the four first gears 4.

[0033] The first gear 4 is provided to drive the second screw rod 36 to rotate when rotating. The third motor 5 is provided to provide power for the second gear 6 to rotate. The second gear 6 is provided to mesh with the first gear 4 so that the second gear 6 can drive the first gear 4 to rotate when rotating.

[0034] A U-shaped frame 7 with an opening facing downward is fixed in the middle of the upper surface of the base 1 , a square through slot 8 is provided on the top of the U-shaped frame 7 , and a longitudinally placed second slide bar 9 is provided inside the square through slot 8 and inside the U-shaped frame 7 .

[0035] The U-shaped frame 7 is used to fix the second slide bar 9 and other components. The square through groove 8 is used to fix the top second slide bar 9, the top second telescopic rod 10 and the top second slide block 11. The second slide bar 9 is used to maintain the stability of the second slide block 11 when it moves forward and backward.

[0036] Two second telescopic rods 10 placed longitudinally and with their extended ends facing backwards are fixed to the front of the U-shaped frame 7. Second sliders 11 that can slide back and forth are fixed to the extended ends of the two second telescopic rods 10. The inner sides of the two second sliders 11 are slidably connected to the peripheral side surfaces of the two second slide bars 9 respectively.

[0037] The second telescopic rod 10 is provided to drive the second sliding block 11 to move forward and backward, thereby adjusting the position of the heat sealing assembly 12, so that the device can heat seal any place of the packaging paper.

[0038] A heat sealing assembly 12 is fixed to the opposite side of the two second sliding blocks 11 , and the heat sealing assembly 12 includes a telescopic rod, a heater, and a pressing plate assembly.

[0039] The heat sealing assembly 12 is configured to heat seal the packaging paper, the telescopic rod is configured to drive the heater and the pressing plate to move up and down, the heater is configured to heat the pressing plate, and the pressing plate is configured to press and heat seal the packaging paper.

[0040] The working principle of the guide structure of a packaging bag heat sealing machine provided by the utility model is as follows:

[0041] When in use, the first motor 27 is turned on, and the output end of the first motor 27 rotates to drive the first screw 22 to rotate, and the rotation of the first screw 22 drives the first screw block 23 to move forward, thereby driving the front support frame 24 to move backward, and then driving the front rotating shaft 25 and the rotating belt 26 to move backward, and stop after moving until the distance between the front and back fixing mechanisms 3 is consistent with the length of the packaging paper, and place the right side of the packaging paper on the right flat plate 38, turn on the third motor 5, and the output end of the third motor 5 rotates to drive the second gear 6 to rotate, and the rotation of the second gear 6 drives the first gear 4 to rotate, and the rotation of the first gear 4 drives the second screw 36 to rotate, and the rotation of the second screw 36 drives the second screw block 37 to move downward, clamping the packaging paper on the flat plate 38. The top of the packaging paper is then adjusted, and the first telescopic rod 33 is adjusted. The extended end of the first telescopic rod 33 is contracted to move the first slider 34 and the right hollow fixed block 35 to the left, thereby driving the two right flat plates 38 to move to the left. When the flat plates 38 on both sides are the same width as the packaging paper, the movement is stopped. After the left side of the packaging paper is clamped on the upper surface of the flat plate 38, the second telescopic rod 10 is opened, and the second slider 11 is driven to move back and forth by the second telescopic rod 10, so that the heat sealing assembly 12 is moved to the specified position. Finally, the second motor 28 is turned on, and the output end of the second motor 28 rotates to drive the rotating shaft 25 to rotate, thereby driving the rotating belt 26 and the right rotating shaft 25 to rotate, so that the rotating belt 26 rotates clockwise, and the packaging paper is moved to the right for heat sealing.

[0042] Compared with the related art, the guide structure of the packaging bag heat sealing machine provided by the utility model has the following beneficial effects:

[0043] The first motor 27 drives the first screw 22 to rotate, thereby driving the first screw block 23, the front rotating shaft 25 and the rotating belt 26 to move forward and backward. The third motor 5 drives the second gear 6 and the first gear 4 to rotate, thereby driving the second screw 36 to rotate, and further driving the second screw block 37 to move downward. The structure is simple and practical, so that the device can fix and clamp packaging bags of different thicknesses when heat-sealing packaging paper, avoiding the phenomenon that the packaging bag cannot be moved due to the mismatch between the thickness of the packaging paper and the thickness of the conveyor belt, which brings convenience to the operator.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A guide structure for a packaging bag heat sealing machine, characterized in that: include: A base (1) placed horizontally, wherein a moving mechanism (2) and a fixing mechanism (3) are provided on an upper surface of the base (1); The moving mechanism (2) comprises two long grooves (21) opened on the top of the base (1) and placed in a longitudinal direction, the interior of the two long grooves (21) are rotatably connected with a horizontally placed first screw rod (22), the peripheral side surfaces of the two first screw rods (22) are threadedly connected with a first screw block (23) that can move forward and backward, the peripheral side surfaces of the two first screw blocks (23) are respectively slidably connected with the interior of the base (1), the upper surfaces of the two first screw blocks (23) and both sides of the upper surface of the base (1) are fixed with four vertically placed support frames (24) by bolts, the upper surfaces of the four support frames (24) are fixed with longitudinally placed rotating shafts (25), and the four rotating shafts (25) are provided with transversely placed rotating belts (26) on one side opposite to each other, and the two rotating belts (26) are parallel to each other; The fixing mechanism (3) comprises four vertical plates (31) respectively fixed inside the two rotating belts (26), two horizontally placed first sliding rods (32) are fixed on the opposite sides of the four vertical plates (31), the insides of the two left vertical plates (31) are penetrated by horizontally placed first telescopic rods (33), the extended ends of the two first telescopic rods (33) are fixed with first sliding blocks (34), the inner sides of the two first sliding blocks (34) are respectively slidably connected with the peripheral side surfaces of the two first sliding rods (32) and the two rotating belts (26), the lower surfaces of the two first sliding blocks (34) and the lower surfaces of the two rotating belts (26) are fixed with hollow fixing blocks (35), the bottoms of the four hollow fixing blocks (35) are rotatably connected with vertically placed second screw rods (36), and the peripheral side surfaces of the four second screw rods (36) are threadedly connected with second screw blocks (37) that can move up and down.

2. The guide structure of the packaging bag heat sealing machine according to claim 1, characterized in that: Two first motors (27) for driving the first screw rod (22) to rotate are respectively arranged on the front side of the base (1); a second motor (28) placed longitudinally and with output ends facing each other is fixed on the separated sides of the two rotating shafts (25) on the left side; a flat plate (38) is fixed to the bottom of the four hollow fixed blocks (35) via a connecting rod; and the tops of the four flat plates (38) are respectively rotatably connected to the bottom ends of the four second screw rods (36).

3. The guide structure of the packaging bag heat sealing machine according to claim 2, characterized in that: A horizontally placed first gear (4) is fixedly connected to the top of the peripheral side surface of the four second screw rods (36) and located inside the hollow fixed block (35); a vertically placed third motor (5) with the output end facing upward is arranged at the bottom of the four hollow fixed blocks (35); the output ends of the four third motors (5) respectively penetrate the bottom of the four hollow fixed blocks (35) and extend to the inside of the four hollow fixed blocks (35); a horizontally placed second gear (6) is fixed to the output ends of the four third motors (5); the right sides of the four second gears (6) are respectively meshed with the left sides of the four first gears (4).

4. The guide structure of the packaging bag heat sealing machine according to claim 3, characterized in that: A U-shaped frame (7) with an opening facing downward is fixed in the middle of the upper surface of the base (1), a square through slot (8) is provided on the top of the U-shaped frame (7), and a second sliding rod (9) placed longitudinally is provided inside the square through slot (8) and inside the U-shaped frame (7).

5. The guide structure of the packaging bag heat sealing machine according to claim 4, characterized in that: The front side of the U-shaped frame (7) is fixed with two second telescopic rods (10) placed longitudinally and with their extended ends facing backwards, and the extended ends of the two second telescopic rods (10) are fixed with second sliding blocks (11) that can slide forward and backward, and the inner sides of the two second sliding blocks (11) are respectively slidably connected to the peripheral side surfaces of the two second sliding bars (9).

6. The guide structure of the packaging bag heat sealing machine according to claim 5, characterized in that: A heat sealing assembly (12) is fixed to the opposite side of the two second sliding blocks (11), and the heat sealing assembly (12) comprises a telescopic rod, a heater, and a pressing plate assembly.

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