Double-row liquid back-sealing strip packaging machine

Abstract

The utility model discloses a double-row liquid back-sealing strip packaging machine which is characterized in that a film unwinding mechanism unwinds a packaging film and conveys the packaging film to a film slitting mechanism, and the film slitting mechanism splits the packaging film into two rows of film strips; the liquid quantitative filling mechanism comprises a discharging pipe, the bag making mechanism comprises a bag making device, the vertical sealing mechanism comprises a bag shaping module and a vertical heat sealing module, the discharging pipe sequentially penetrates through the bag making device and the bag shaping module, and the vertical heat sealing module vertically seals a film strip in a hot pressing mode. The transverse sealing mechanism comprises a first transverse heat sealing module and a second transverse heat sealing module, the cutting mechanism comprises a cutting knife module, the first transverse heat sealing module and the second transverse heat sealing module conduct hot pressing and transverse sealing on the film strips, and the cutting knife module cuts the film strips into independent packaging bags. The double-row liquid back-sealing strip packaging machine has the advantages of being compact in structure, small in overall size and high in automation degree, and liquid packaging production quality and working efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field, concretely relates to a double -row liquid back seal packs strip machine. BACKGROUND

[0002] Liquid back seal packing machine is a kind of equipment for liquid material packaging, mainly for the quantitative filling of liquid material into prefabricated back seal bag, and the bag mouth is sealed by heat sealing technology, suitable for beverage, jelly, medicine and other liquid material, but the existing liquid back seal packing machine has the defects of unreasonable structure, large space occupation, low degree of automation, slow production efficiency, difficult to meet the production needs of manufacturers to reduce cost and increase efficiency. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problem to overcome the deficiencies in the prior art, provide a double -row liquid back seal packs strip machine, compact structure, whole machine volume is small, degree of automation is high, can effectively improve liquid packaging production quality and work efficiency.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A double -row liquid back seal packs strip machine, including rack and the film unwinding mechanism of setting on the rack, film slitting mechanism, liquid quantitative filling mechanism, bag making mechanism, vertical sealing mechanism, horizontal sealing mechanism and cutting mechanism;

[0006] The film unwinding mechanism is used to pay off and transport packaging film to the film slitting mechanism, and the film slitting mechanism cuts the packaging film into two film strips;

[0007] The liquid quantitative filling mechanism includes a hopper, two sets of quantitative pumping modules and two sets of discharge pipes, the bag making mechanism includes two sets of bag makers, the vertical sealing mechanism includes two sets of bag shaping modules and two sets of vertical heat sealing modules, the discharge pipe passes through the bag maker and the bag shaping module in turn, the film strip is accessed to the bag maker and covers the discharge pipe, and the vertical heat sealing module hot-presses vertical sealing of the film strip;

[0008] The horizontal sealing mechanism includes a first horizontal heat sealing module and a second horizontal heat sealing module, the cutting mechanism includes two sets of cutting knife modules, the first horizontal heat sealing module and the second horizontal heat sealing module hot-press horizontal sealing of the film strip, and the cutting knife module cuts the film strip into independent packaging bags.

[0009] As a further improvement of the above technical scheme:

[0010] The film unwinding mechanism includes an unwinding roller, an unwinding drive motor and a plurality of film guide rollers, and the output side of the film guide roller is connected with the film slitting mechanism.

[0011] The film slitting mechanism comprises a film cutter and a cutter supporting roller, the packaging film is arranged on the cutter supporting roller, and the film cutter is abutted against the cutter supporting roller to slit the packaging film.

[0012] The hopper comprises an outer shell, an inner hopper bin and a hopper bin cover, the inner hopper bin has a material cavity, a heat preservation cavity is formed between the outer shell and the inner hopper bin, the inner hopper bin is provided at the bottom with two groups of discharge ports penetrating through the outer shell, the discharge ports are connected in communication with the quantitative pumping module and the discharge pipe, and the outer shell is provided with a hot water inlet and a hot water outlet in communication with the heat preservation cavity.

[0013] The vertical sealing mechanism further comprises two groups of first driving members, the vertical heat sealing modules are connected in one-to-one correspondence with the first driving members, and the first driving members are used for driving the vertical heat sealing modules to approach or move away from the bag shaping module.

[0014] The transverse sealing mechanism further comprises a lifting base plate and a first lifting driving device, the lifting base plate is provided with a second driving member used for driving the first transverse heat sealing module to reciprocate and a third driving member used for driving the second transverse heat sealing module to reciprocate.

[0015] The second transverse heat sealing module is movably provided with a tearable opening cutter, and the second transverse heat sealing module is further provided with a fourth driving member used for driving the tearable opening cutter to reciprocate.

[0016] The cutting mechanism further comprises a lifting seat and a second lifting driving device, and the lifting seat is provided with a fifth driving member used for driving the cutting cutter module to reciprocate.

[0017] Compared with the prior art, the advantages of the double-row liquid back sealing strip packaging machine lie in that:

[0018] The double-row liquid back sealing strip packaging machine arranges the film unwinding mechanism, the film slitting mechanism and the bag making mechanism in the horizontal direction in the rack, arranges the liquid quantitative filling mechanism, the bag making mechanism, the vertical sealing mechanism, the transverse sealing mechanism and the cutting mechanism in the vertical direction in the rack, reasonably sets the feeding directions of the packaging film and the liquid material, has the advantages of compact structure, small occupied space, small overall volume, high automation degree, strong continuous working capacity, and can effectively improve the production quality and working efficiency of liquid packaging. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the double-row liquid back sealing strip packaging machine.

[0020] Figure 2 It is a structural schematic view of the internal mechanism of the double-row liquid back sealing strip packaging machine.

[0021] Figure 3Structure schematic diagram of the film unwinding mechanism and the film slitting mechanism.

[0022] Figure 4 Structure schematic diagram of the liquid dosing mechanism, the bag making mechanism, the vertical sealing mechanism, the horizontal sealing mechanism and the cutting mechanism.

[0023] Figure 5 Structure schematic diagram of the liquid dosing mechanism.

[0024] Figure 6 Structure schematic diagram of the hopper.

[0025] Figure 7 Structure schematic diagram of the bag making mechanism and the vertical sealing mechanism.

[0026] Figure 8 Structure schematic diagram of the horizontal sealing mechanism and the cutting mechanism.

[0027] Figure 9 Structure schematic diagram of the horizontal sealing mechanism.

[0028] Figure 10 Structure schematic diagram of the second horizontal heat sealing module.

[0029] Figure 11 Structure schematic diagram of the cutting mechanism.

[0030] Legend:

[0031] 1, frame; 2, film unwinding mechanism; 201, unwinding roller; 202, unwinding driving motor; 203, film guide roller; 3, film slitting mechanism; 301, film cutter; 302, cutter supporting roller; 4, liquid dosing mechanism; 401, hopper; 402, dosing pumping module; 403, discharging pipe; 5, bag making mechanism; 501, bag maker; 6, vertical sealing mechanism; 601, bag shaping module; 602, vertical heat sealing module; 603, first driving member; 7, horizontal sealing mechanism; 701, first horizontal heat sealing module; 702, second horizontal heat sealing module; 703, lifting base plate; 704, first lifting driving device; 705, second driving member; 706, third driving member; 707, easy-to-tear opening cutter; 708, fourth driving member; 8, cutting mechanism; 801, cutting knife module; 802, lifting seat; 803, second lifting driving device; 804, fifth driving member; 9, outer housing; 901, hot water inlet; 902, hot water outlet; 10, inner material bin; 1001, material cavity; 1002, discharging port; 11, bin cover; 12, heat preservation cavity. DETAILED DESCRIPTION

[0032] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0033] As Figures 1 to 11As shown, the double-row liquid back-sealing bagging machine of the embodiment comprises a rack 1 and a film unwinding mechanism 2, a film slitting mechanism 3, a liquid quantitative filling mechanism 4, a bag making mechanism 5, a vertical sealing mechanism 6, a horizontal sealing mechanism 7 and a cutting mechanism 8 arranged on the rack 1; the film unwinding mechanism 2 is used for unwinding and conveying the packaging film to the film slitting mechanism 3, and the film slitting mechanism 3 is used for slitting the packaging film into two rows of film strips; the liquid quantitative filling mechanism 4 comprises a hopper 401, two groups of quantitative pumping modules 402 and two groups of discharge pipes 403, the bag making mechanism 5 comprises two groups of bag makers 501, the vertical sealing mechanism 6 comprises two groups of bag shaping modules 601 and two groups of vertical heat sealing modules 602, the discharge pipes 403 pass through the bag makers 501 and the bag shaping modules 601 in sequence, the film strip is connected to the bag maker 501 and covers the discharge pipe 403, and the vertical heat sealing module 602 heat-presses and vertically seals the film strip; the horizontal sealing mechanism 7 comprises a first horizontal heat sealing module 701 and a second horizontal heat sealing module 702, and the cutting mechanism 8 comprises two groups of cutting knife modules 801; the first horizontal heat sealing module 701 and the second horizontal heat sealing module 702 heat-press and horizontally seal the film strip, and the cutting knife module 801 cuts the film strip into independent packaging bags. The double-row liquid back-sealing bagging machine arranges the film unwinding mechanism 2, the film slitting mechanism 3 and the bag making mechanism 5 in the horizontal direction in the rack 1, and arranges the liquid quantitative filling mechanism 4, the bag making mechanism 5, the vertical sealing mechanism 6, the horizontal sealing mechanism 7 and the cutting mechanism 8 in the vertical direction in the rack 1, so that the feeding direction of the packaging film and the feeding direction of the liquid material are reasonably arranged, the structure is compact, the occupied space is small, the overall volume of the machine is small, the automatic degree is high, the continuous working capacity is strong, and the production quality and working efficiency of the liquid packaging can be effectively improved.

[0034] Specifically, as shown in the figure, Figure 3 Specifically, the film unwinding mechanism 2 comprises an unwinding roller 201, an unwinding driving motor 202 and a plurality of groups of film guide rollers 203, and the output side of the film guide roller 203 is connected with the film slitting mechanism 3. In this embodiment, the packaging film roll is placed on the unwinding roller 201, the unwinding driving motor 202 drives the unwinding roller 201 to rotate, so as to facilitate the film to pass between the film guide rollers 203, and then the packaging film is conveyed to the film slitting mechanism 3 for slitting.

[0035] Specifically, the film slitting mechanism 3 comprises a film cutter 301 and a cutter supporting roller 302, the packaging film is wound on the cutter supporting roller 302, and the film cutter 301 abuts against the cutter supporting roller 302 to slit the packaging film. In this embodiment, a cutter accommodating groove is formed in the middle position of the cutter supporting roller 302, and the cutting edge part of the film cutter 301 can extend into the cutter accommodating groove, so that when the packaging film passes on the cutter supporting roller 302, the film cutter 301 can slit the packaging film into two rows of film strips.

[0036] Specifically, as shown in the figure, Figure 6As shown, the hopper 401 comprises an outer shell 9, an inner bin 10 and a bin cover 11, the inner bin 10 has a material cavity 1001, a heat preservation cavity 12 is formed between the outer shell 9 and the inner bin 10, the bottom of the inner bin 10 is provided with two groups of discharge ports 1002 penetrating through the outer shell 9, the discharge ports 1002 are connected in communication with the quantitative pumping module 402 and the discharge pipe 403, the outer shell 9 is provided with a hot water inlet 901 and a hot water outlet 902 in communication with the heat preservation cavity 12. In this embodiment, the outer shell 9 is arranged outside the inner bin 10, so that the heat preservation cavity 12 is formed between the outer shell 9 and the inner bin 10, the outer shell 9 is provided with the hot water inlet 901 and the hot water outlet 902 in communication with the heat preservation cavity 12, so that the hot water can circulate between the hot water inlet 901, the heat preservation cavity 12 and the hot water outlet 902, thereby transferring heat to the material in the material cavity 1001 to keep its temperature stable, which can effectively improve the production quality and working efficiency of the liquid material filling process.

[0037] Specifically, as shown in the figure, Figure 7 As shown, the vertical sealing mechanism 6 further comprises two groups of first driving members 603, the vertical heat sealing module 602 is connected with the first driving member 603 one by one, and the first driving member 603 is used to drive the vertical heat sealing module 602 to approach or move away from the bag shaping module 601. In this embodiment, the cut film strip is respectively connected to the bag maker 501, and in the process of moving downward, the film strip will be enclosed into a cylindrical structure with two long side overlaps along the inner wall of the bag maker 501, and then the cylindrical film strip continues to move downward along the discharge pipe 403 to the bag shaping module 601, the bag shaping module 601 is provided with an empty slot, the empty slot corresponds to the two long side overlaps of the cylindrical film strip, and the first driving member 603 drives the vertical heat sealing module 602 to approach the bag shaping module 601, so that the vertical heat sealing module 602 can pass through the empty slot and heat-press seal the two long side overlaps of the cylindrical film strip, thereby completing the heat-press vertical sealing of the film strip.

[0038] Specifically, the transverse sealing mechanism 7 further comprises a lifting base plate 703 and a first lifting driving device 704. The lifting base plate 703 is provided with a second driving member 705 for driving the first transverse heat sealing module 701 to reciprocate and a third driving member 706 for driving the second transverse heat sealing module 702 to reciprocate. In this embodiment, after the vertical heat sealing, the film strip continues to move downward. The film strip is arranged between the first transverse heat sealing module 701 and the second transverse heat sealing module 702. The second driving member 705 drives the first transverse heat sealing module 701 to move towards the second transverse heat sealing module 702. The third driving member 706 drives the second transverse heat sealing module 702 to move towards the first transverse heat sealing module 701, so as to transversely heat seal the film strip. At this time, the first lifting driving device 704 drives the lifting base plate 703 to move downward, so that the first transverse heat sealing module 701 and the second transverse heat sealing module 702 clamp the film strip and drive the film strip to move downward. After the transverse heat sealing of the film strip is completed, the dosing pump module 402 pumps the liquid material in the hopper 401 to the discharge pipe 403 in a dosing manner. The liquid material is filled into the film strip through the discharge pipe 403. Then, the second driving member 705 and the third driving member 706 drive the first transverse heat sealing module 701 and the second transverse heat sealing module 702 to move away from each other. The first lifting driving device 704 drives the lifting base plate 703 to reset upward above the liquid level of the film strip. The above steps are repeated.

[0039] Specifically, the second transverse heat sealing module 702 is movably provided with a tearable opening cutter 707. The second transverse heat sealing module 702 is further provided with a fourth driving member 708 for driving the tearable opening cutter 707 to reciprocate. In this embodiment, during the transverse heat sealing of the film strip, the fourth driving member 708 drives the tearable opening cutter 707 to extend from the second transverse heat sealing module 702, so as to cut a virtual tearable opening at the transverse heat sealing opening of the packaging bag. When the packaging bag is opened, the packaging bag can be easily torn along the virtual tearable opening. After the cutting is completed, the fourth driving member 708 drives the tearable opening cutter 707 to retract into the second transverse heat sealing module 702, so as to avoid the tearable opening cutter 707 from scratching the film strip upstream and affecting the appearance of the product.

[0040] Specifically, the cutting mechanism 8 further comprises a lifting seat 802 and a second lifting driving device 803. The lifting seat 802 is provided with a fifth driving member 804 for driving the cutting knife module 801 to reciprocate. In this embodiment, the second lifting driving device 803 can drive the lifting seat 802 to move up and down, so as to adjust the relative position between the cutting knife module 801 and the transverse heat sealing opening of the film strip. The cutting knife module 801 can meet the cutting requirements of different packaging bag lengths, has high flexibility in use, has a wide application range, and the fifth driving member 804 drives the cutting knife module 801 to move forward, so as to cut two independent packaging bags at the same time, and the production efficiency is high.

[0041] The above merely is preferred implementation manner of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. For the person skilled in the art, the improvement and transformation obtained without departing from the technical concept of the present application should be considered as the protection scope of the present application.

Claims

1. A twin column liquid backsealing bale strapping machine characterised in that, The film unwinding mechanism (2) is used for unwinding and conveying the packaging film to the film slitting mechanism (3), and the film slitting mechanism (3) is used for slitting the packaging film into two film strips. The liquid quantitative filling mechanism (4) comprises a hopper (401), two groups of quantitative pumping modules (402) and two groups of discharge pipes (403), the bag making mechanism (5) comprises two groups of bag makers (501), the vertical sealing mechanism (6) comprises two groups of bag shaping modules (601) and two groups of vertical heat sealing modules (602), the discharge pipes (403) pass through the bag makers (501) and the bag shaping modules (601) in sequence, the film strip is connected to the bag maker (501) and covers the discharge pipe (403), and the vertical heat sealing module (602) hot-presses and vertically seals the film strip. The horizontal sealing mechanism (7) comprises a first horizontal heat sealing module (701) and a second horizontal heat sealing module (702), the cutting mechanism (8) comprises two groups of cutting knife modules (801), the first horizontal heat sealing module (701) and the second horizontal heat sealing module (702) hot-press and horizontally seal the film strip, and the cutting knife module (801) cuts the film strip into independent packaging bags. The film unwinding mechanism (2) comprises an unwinding roller (201), an unwinding driving motor (202) and a plurality of groups of film guide rollers (203), and the output side of the film guide roller (203) is connected to the film slitting mechanism (3).

2. The twin liquid backsealing bagging machine of claim 1 wherein, The film slitting mechanism (3) comprises a film cutter (301) and a cutter supporting roller (302), the packaging film is arranged on the cutter supporting roller (302), and the film cutter (301) is abutted on the cutter supporting roller (302) to slit the packaging film.

3. The twin liquid backsealing bagging machine of claim 1 wherein, The hopper (401) comprises an outer shell (9), an inner material bin (10) and a bin cover (11), the inner material bin (10) has a material cavity (1001), a heat preservation cavity (12) is formed between the outer shell (9) and the inner material bin (10), the bottom of the inner material bin (10) is provided with two groups of discharge ports (1002) penetrating through the outer shell (9), the discharge ports (1002) are connected with the quantitative pumping modules (402) and the discharge pipes (403) in communication, and the outer shell (9) is provided with a hot water inlet (901) and a hot water outlet (902) in communication with the heat preservation cavity (12).

4. The twin liquid backsealing bagging machine of claim 1 wherein, The vertical sealing mechanism (6) further comprises two groups of first driving members (603), the vertical heat sealing modules (602) are connected with the first driving members (603) in one-to-one correspondence, and the first driving members (603) are used for driving the vertical heat sealing modules (602) to approach or move away from the bag shaping modules (601).

5. The twin liquid backsealing bagging machine of claim 1 wherein, ​ 6. The twin liquid backsealing bagging machine of claim 1 wherein, The transverse sealing mechanism (7) further comprises a lifting base plate (703) and a first lifting driving device (704), the lifting base plate (703) is provided with a second driving member (705) for driving the first transverse heat sealing module (701) to reciprocate and a third driving member (706) for driving the second transverse heat sealing module (702) to reciprocate.

7. The twin liquid backsealing bagging machine of claim 6 wherein, The second transverse heat sealing module (702) is movably provided with a tearable opening cutter (707), and the second transverse heat sealing module (702) is further provided with a fourth driving member (708) for driving the tearable opening cutter (707) to reciprocate.

8. The twin liquid backsealing bagging machine of claim 1 wherein, The cutting mechanism (8) further comprises a lifting seat (802) and a second lifting driving device (803), and the lifting seat (802) is provided with a fifth driving member (804) for driving the cutting knife module (801) to reciprocate.

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