CN216375282U

CN216375282U - Automatic sealing mechanism for packaging bag

Info

Publication number: CN216375282U
Application number: CN202122877060.XU
Authority: CN
Inventors: 柯轶; 祁海; 熊友峰
Original assignee: Hubei Heli Machinery Equipment Co ltd
Current assignee: Hubei Heli Machinery Equipment Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-26
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an automatic sealing mechanism for packaging bags, which comprises a heating mechanism, a paper pulling and pressing mechanism, a transition mechanism and a rotary cutter mechanism, wherein the heating mechanism, the paper pulling and pressing mechanism, the transition mechanism and the rotary cutter mechanism are all arranged on a steel frame and are sequentially arranged from one end of the steel frame to the other end of the steel frame, a paper pulling motor is fixedly arranged at the bottom of the steel frame through a bolt, the packaging bags firstly enter the heating mechanism and then are heated through the heating mechanism, the heated packaging bags enter the paper pulling and pressing mechanism, hot melt adhesive is pressed to the sealing positions of the packaging bags through the paper pulling and pressing mechanism, so that the packaging bags are subjected to heat sealing, the heat-sealed packaging bags are transited to the rotary cutter mechanism through the transition mechanism, and the paper edges of the packaging bags passing through the rotary cutter are cut through the rotary cutter mechanism. In actual use, the automatic sealing mechanism is high in automation degree, manual operation is not needed, and the practicability and the working efficiency of the sealing mechanism are effectively improved.

Description

Automatic sealing mechanism for packaging bag

Technical Field

The utility model relates to sealing equipment, in particular to an automatic sealing mechanism for a packaging bag.

Background

The packaging bag is a bag for packaging various articles, so that the goods are convenient to transport and easy to store in the production flow process. Is widely used in daily life and industrial production. Actual figures show that 80% of used plastic bags are finally transported to a garbage piling field area for treatment like ordinary garbage, and only seven percent of the plastic is recycled.

The existing sealing mechanism needs a large amount of manual operation in actual use, and is low in practicability and low in working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic sealing mechanism for a packaging bag, which solves the problems in practical use.

In order to achieve the purpose, the utility model provides the following technical scheme:

an automatic sealing mechanism of a packaging bag comprises a heating mechanism, a paper pulling and pressing mechanism, a transition mechanism and a rotary cutter mechanism, the heating mechanism, the paper pulling and pressing mechanism, the transition mechanism and the rotary cutter mechanism are all arranged on the steel frame and are sequentially arranged from one end of the steel frame to the other end of the steel frame, the bottom of the steel frame is fixedly provided with a paper pulling motor through bolts, the paper pulling motor simultaneously provides driving force for the paper pulling and pressing mechanism and the transition mechanism, the packaging bag firstly enters the heating mechanism, then the packaging bag is heated by a heating mechanism, the heated packaging bag enters a paper pulling pressing mechanism, the hot melt adhesive is pressed to the sealing position of the packaging bag by the paper pulling pressing mechanism, therefore, the packaging bags are subjected to heat sealing, the packaging bags subjected to heat sealing are transited to the rotary cutter mechanism through the transition mechanism, and the paper edges of the bags passing through the rotary cutter are cut off through the rotary cutter mechanism.

Preferably: heating mechanism includes two hot plates that set up side by side, the equal fixedly connected with in hot plate opposite side adds hot strip clamp plate, fixedly connected with heat insulating board on the hot strip clamp plate, heat insulating board and second connecting plate fixed connection, second connecting plate and first connecting plate fixed connection, still be fixed with the gib block of two relative settings between the first connecting plate, lead the wrapping bag through the gib block, the middle part and the connecting screw rod tip of first connecting plate rotate to be connected, the other end and the expansion end fixed connection of lift cylinder of connecting screw rod, the lift cylinder is fixed on the steelframe, linear bearing about the connecting screw rod symmetry setting is installed at the both ends of first connecting plate, slidable mounting has first guide shaft in linear bearing, first guide shaft is fixed on the steelframe.

It should be noted that the heating plates are driven to be separated and combined through the expansion and contraction of the lifting cylinder, the heating plates are separated when the sealing mechanism does not work, and the packaging bag cannot be scalded.

Preferably: the paper pulling and pressing mechanism comprises a driving wheel and a driven wheel which are arranged side by side, the driving wheel is rotatably connected with a steel frame through a shaft, a first chain wheel is further welded and fixed on the shaft fixedly connected with the driving wheel, a paper pulling motor drives the first chain wheel to rotate through a chain, so that the driving wheel is driven to rotate through the shaft, the driven wheel is rotatably installed on a sliding block through the shaft, the sliding block is slidably installed on a second guide shaft, the second guide shaft is fixedly connected with the steel frame, the sliding block is fixedly connected with a floating joint, the floating joint is fixedly connected with the movable end of a pressing cylinder, the pressing cylinder is fixedly connected with the steel frame, in actual use, the sliding block is pressed downwards through the extension of the pressing cylinder, so that the driven wheel is pressed on the driving wheel, the driving wheel rotates to drive the driven wheel to rotate reversely, and the hot melt adhesive tape can be pulled out and pressed through the rotation of the driving wheel and the driven wheel.

Preferably: transition mechanism is including the driven pinch roller and the initiative pinch roller that set up side by side, and driven pinch roller and initiative pinch roller all rotate through the pivot and install on the steelframe for the pivot of connecting the initiative pinch roller is established to the transmission shaft, and rotates on the transmission shaft and install the bearing frame, and bearing frame welded fastening is on the steelframe, and welded fastening has the second sprocket on the transmission shaft, and the second sprocket passes through the chain and is connected with the motor that draws paper, thereby drives through drawing the paper motor.

Preferably: the rotary cutter mechanism includes rotary cutter and lower cutter and is used for driving rotary cutter pivoted servo motor, servo motor's output shaft and initiative synchronizing wheel fixed connection, the initiative synchronizing wheel passes through the hold-in range and is connected with the driven synchronizing wheel, driven synchronizing wheel fixed connection is in the axis of rotation, and there is rotary cutter through the bolt fastening in the axis of rotation, the position that corresponds rotary cutter welded fastening has lower cutter on the steelframe, when the wrapping bag is through cutter down, drive rotary cutter by servo motor and rotate, thereby the cooperation through rotary cutter and cutter down cuts the wrapping bag.

Compared with the prior art, the utility model has the beneficial effects that:

in actual use, the automatic sealing mechanism is high in automation degree, manual operation is not needed, and the practicability and the working efficiency of the sealing mechanism are effectively improved.

Drawings

Fig. 1 is a schematic structural view of an automatic sealing mechanism for a packaging bag.

Fig. 2 is a front view of a heating mechanism in the automatic sealing mechanism of the packing bag.

Fig. 3 is a side view of a heating mechanism in the automatic sealing mechanism of the packing bag.

Fig. 4 is a front view of a paper pulling and pressing mechanism in the automatic sealing mechanism of the packaging bag.

Fig. 5 is a side view of a paper pulling and pressing mechanism in the automatic sealing mechanism of the packaging bag.

Fig. 6 is a front view of a transition mechanism in the automatic sealing mechanism of the packaging bag.

Fig. 7 is a side view of a transition mechanism in the automatic bag closing mechanism.

Fig. 8 is a side view of a rotary cutter mechanism in the automatic sealing mechanism of the packing bag.

Fig. 9 is a plan view of a rotary cutter mechanism in the automatic sealing mechanism of the packing bag.

As shown in the figure: 1. a heating mechanism; 11. connecting a screw rod; 12. a lifting cylinder; 13. a first guide shaft; 14. a guide strip; 15. a linear bearing; 16. a first connecting plate; 17. a second connecting plate; 18. a heat insulation plate; 19. heating the strip pressing plate; 110. heating plates; 2. a paper pulling and pressing mechanism; 21. pressing down the air cylinder; 22. a floating joint; 23. a second guide shaft; 24. a slider; 25. a first sprocket; 26. a driving wheel; 27. a driven wheel; 3. a transition mechanism; 31. a driven pinch roller; 32. an active pinch roller; 33. a bearing seat; 34. a second sprocket; 35. a drive shaft; 4. a rotary cutter mechanism; 41. a servo motor; 42. a synchronous belt; 43. rotating the cutter; 44. a lower cutter; 45. a driven synchronizing wheel; 46. a driving synchronizing wheel; 47. a rotating shaft; 5. a paper pulling motor.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 9, in the embodiment of the present invention, the automatic sealing mechanism for a packaging bag includes a heating mechanism 1, a paper pulling and pressing mechanism 2, a transition mechanism 3 and a rotary cutter mechanism 4, the heating mechanism 1, the paper pulling and pressing mechanism 2, the transition mechanism 3 and the rotary cutter mechanism 4 are all mounted on a steel frame and are sequentially arranged from one end of the steel frame to the other end of the steel frame, a paper pulling motor 5 is fixedly mounted at the bottom of the steel frame through bolts, the paper pulling motor 5 simultaneously provides a driving force for the paper pulling and pressing mechanism 2 and the transition mechanism 3, the packaging bag enters the heating mechanism 1, is then heated by the heating mechanism 1, enters the paper pulling and pressing mechanism 2, hot melt adhesive is pressed at a sealing position of the packaging bag through the paper pulling and pressing mechanism 2, so as to heat-seal the packaging bag, the thermally sealed packaging bag is transferred to the rotary cutter mechanism 4 through the transition mechanism 3, and the paper edge of the bag passing through the rotary knife is cut off by the rotary cutter mechanism 4.

The heating mechanism 1 comprises two heating plates 110 arranged side by side, one opposite side of each heating plate 110 is fixedly connected with a heating strip pressing plate 19, the heating strip pressing plates 19 are fixedly connected with heat insulation plates 18, the heat insulation plates 18 are fixedly connected with a second connecting plate 17, the second connecting plate 17 is fixedly connected with a first connecting plate 16, two guide strips 14 arranged oppositely are further fixed between the first connecting plates 16, the packaging bags are guided through the guide strips 14, the middle part of the first connecting plate 16 is rotatably connected with the end part of a connecting screw rod 11, the other end of the connecting screw rod 11 is fixedly connected with the movable end of a lifting cylinder 12, the lifting cylinder 12 is fixed on a steel frame, linear bearings 15 symmetrically arranged on the connecting screw rod 11 are installed at two ends of the first connecting plate 16, a first guide shaft 13 is slidably installed in the linear bearings 15, and the first guide shaft 13 is fixed on the steel frame.

It should be noted that the heating plate 110 is driven to be separated and combined by the extension and retraction of the lifting cylinder 12, and the heating plate 110 is separated when the sealing mechanism does not work, so that the packaging bag is not scalded.

The paper pulling and pressing mechanism 2 comprises a driving wheel 26 and a driven wheel 27 which are arranged side by side, the driving wheel 26 is rotationally connected with the steel frame through a shaft, and a first chain wheel 25 is welded and fixed on a shaft fixedly connected with the driving wheel 26, the paper pulling motor 5 drives the first chain wheel 25 to rotate through a chain, thereby driving the driving wheel 26 to rotate through the shaft, the driven wheel 27 is rotatably arranged on the slide block 24 through the shaft, the slide block 24 is slidably arranged on the second guide shaft 23, the second guide shaft 23 is fixedly connected on the steel frame, the sliding block 24 is fixedly connected with the floating joint 22, the floating joint 22 is fixedly connected with the movable end of the lower air cylinder 21, the lower air cylinder 21 is fixedly connected with the steel frame, in practical use, the slide block 24 is pressed down through the extension of the pressing cylinder 21, so that the driven wheel 27 is pressed on the driving wheel 26, the rotation of the driving wheel 26 drives the driven wheel 26 to rotate reversely, and the hot melt adhesive tape can be pulled out and pressed through the rotation of the driving wheel 26 and the driven wheel 27.

Transition mechanism 3 is including driven pinch roller 31 and the initiative pinch roller 32 that sets up side by side, driven pinch roller 31 and initiative pinch roller 32 all rotate through the pivot and install on the steelframe, a pivot for connecting initiative pinch roller 32 is established to transmission shaft 35, and rotate on the transmission shaft 35 and install bearing frame 33, bearing frame 33 welded fastening is on the steelframe, and welded fastening has second sprocket 34 on the transmission shaft 35, and second sprocket 34 passes through the chain and is connected with paper pulling motor 5, thereby drive through paper pulling motor 5.

The rotary cutter mechanism 4 comprises a rotary cutter 43, a lower cutter 44 and a servo motor 41 for driving the rotary cutter 43 to rotate, an output shaft of the servo motor 41 is fixedly connected with a driving synchronous wheel 46, the driving synchronous wheel 46 is connected with a driven synchronous wheel 45 through a synchronous belt 42, the driven synchronous wheel 45 is fixedly connected onto a rotating shaft 47, the rotary cutter 43 is fixed on the rotating shaft 47 through bolts, the lower cutter 44 is welded and fixed on a steel frame corresponding to the position of the rotary cutter 43, when a packaging bag passes through the lower cutter 44, the rotary cutter 43 is driven to rotate by the servo motor 41, and therefore the packaging bag is cut through the matching effect of the rotary cutter 43 and the lower cutter 44.

Claims

1. The utility model provides an automatic mechanism that seals of wrapping bag, includes heating mechanism (1), draws paper pressing mechanism (2), transition mechanism (3) and rotary cutter mechanism (4), its characterized in that, heating mechanism (1), draw paper pressing mechanism (2), transition mechanism (3) and rotary cutter mechanism (4) all install on the steelframe and arrange in proper order from the one end of steelframe to the other end, and there is paper pulling motor (5) bottom of steelframe through bolt fixed mounting, draws paper motor (5) to provide drive power for drawing paper pressing mechanism (2) and transition mechanism (3) simultaneously.

2. The automatic sealing mechanism for the packaging bags according to claim 1, wherein the heating mechanism (1) comprises two heating plates (110) arranged side by side, one opposite side of each heating plate (110) is fixedly connected with a heating strip pressing plate (19), the heating strip pressing plates (19) are fixedly connected with a heat insulation plate (18), the heat insulation plates (18) are fixedly connected with a second connecting plate (17), the second connecting plate (17) is fixedly connected with a first connecting plate (16), two opposite guide strips (14) are further fixed between the first connecting plates (16), the packaging bags are guided through the guide strips (14), the middle part of the first connecting plate (16) is rotatably connected with the end part of the connecting screw rod (11), the other end of the connecting screw rod (11) is fixedly connected with the movable end of the lifting cylinder (12), the lifting cylinder (12) is fixed on a steel frame, and linear bearings (L) symmetrically arranged relative to the connecting screw rod (11) are installed at two ends of the first connecting plate (16) (1) 15) The linear bearing (15) is internally provided with a first guide shaft (13) in a sliding manner, and the first guide shaft (13) is fixed on the steel frame.

3. The automatic sealing mechanism of the packaging bag according to claim 1, characterized in that the paper pulling and pressing mechanism (2) comprises a driving wheel (26) and a driven wheel (27) which are arranged side by side, the driving wheel (26) is rotatably connected with the steel frame through a shaft, a first chain wheel (25) is welded and fixed on a shaft fixedly connected with the driving wheel (26), the paper pulling motor (5) drives the first chain wheel (25) to rotate through a chain, thereby driving the driving wheel (26) to rotate through the shaft, the driven wheel (27) is arranged on the sliding block (24) through the shaft rotation, the sliding block (24) is arranged on the second guide shaft (23) in a sliding way, the second guide shaft (23) is fixedly connected on the steel frame, and the sliding block (24) is fixedly connected with the floating joint (22), the floating joint (22) is fixedly connected with the movable end of the pressing cylinder (21), and the pressing cylinder (21) is fixedly connected with the steel frame.

4. The automatic sealing mechanism for the packaging bags according to claim 1, wherein the transition mechanism (3) comprises a driven pressure wheel (31) and a driving pressure wheel (32) which are arranged side by side, the driven pressure wheel (31) and the driving pressure wheel (32) are both rotatably mounted on a steel frame through rotating shafts, the rotating shaft for connecting the driving pressure wheel (32) is set as a transmission shaft (35), a bearing seat (33) is rotatably mounted on the transmission shaft (35), the bearing seat (33) is welded and fixed on the steel frame, a second chain wheel (34) is welded and fixed on the transmission shaft (35), and the second chain wheel (34) is connected with the paper pulling motor (5) through a chain.

5. The automatic sealing mechanism for the packaging bags according to claim 1, wherein the rotary cutter mechanism (4) comprises a rotary cutter (43), a lower cutter (44) and a servo motor (41) for driving the rotary cutter (43) to rotate, an output shaft of the servo motor (41) is fixedly connected with a driving synchronous wheel (46), the driving synchronous wheel (46) is connected with a driven synchronous wheel (45) through a synchronous belt (42), the driven synchronous wheel (45) is fixedly connected onto a rotating shaft (47), the rotary cutter (43) is fixed on the rotating shaft (47) through a bolt, and the lower cutter (44) is welded and fixed on a steel frame corresponding to the position of the rotary cutter (43).