Plastic film guiding and feeding structure of liquid filling machine

Abstract

A plastic film guiding and feeding structure of a liquid filling machine comprises a base, a vertical plate is fixedly installed on one side of the base, a transverse shaft is rotationally installed on the vertical plate, the periphery of the transverse shaft is sleeved with a supporting cylinder, the periphery of the supporting cylinder is sleeved with a plastic film, two first supporting plates are fixedly installed on the other side of the base, and two rotating rollers are arranged between the two first supporting plates. Two first supporting plates are arranged on the base, two ends of each rotating roller are sequentially and rotatably mounted on one sides of the two first supporting plates respectively, one end of a plastic film is clamped between the two rotating rollers, and driving devices capable of driving the two rotating rollers to rotate oppositely are arranged on the first supporting plates. And the same cross rod is fixedly connected between the two sliding sleeves. The plastic film tightening device is simple in structure, wonderful in conception, capable of enabling the plastic film to be in a tightening state all the time, capable of preventing the plastic film from being turned over and even knotted to affect filling when filling is conducted again after the plastic film is loosened, capable of meeting actual requirements and suitable for popularization.

Description

Technical Field

[0001] The utility model belongs to the field of liquid filling, in particular to a plastic film guiding feeding structure of a liquid filling machine. Background Art

[0002] Filling device is a small category of packaging machine products. According to the degree of material packaging, it can be divided into liquid filling machine, paste filling machine, powder filling machine and granule filling machine. According to the degree of production automation, it can be divided into semi-automatic filling machine and fully automatic filling machine. A feeding structure is provided in the filling machine to convey the plastic film. However, when the existing feeding mechanism stops filling, the inertia of the feeding mechanism will cause a part of the plastic film to fall off the tube of the plastic film, and the length of the plastic film between the plastic film tube and the feeding mechanism will become longer. When re-feeding, the plastic film cannot remain taut, which makes the plastic film easily folded or even knotted during transmission, affecting the filling. Therefore, we designed a guide feeding mechanism that can always keep the plastic film taut. Utility Model Content

[0003] The utility model provides a plastic film guiding feeding structure of a liquid filling machine, which is used to solve the defects in the prior art.

[0004] The utility model is realized through the following technical solutions:

[0005] A plastic film guiding feeding structure for a liquid filling machine comprises a base, a vertical plate fixedly mounted on one side of the base, a horizontal axis rotatably mounted on the vertical plate, a support tube is sleeved on the outer periphery of the horizontal axis, a plastic film is sleeved on the outer periphery of the support tube, two first support plates are fixedly mounted on the other side of the base, two rotating rollers are arranged between the two first support plates, two ends of the rotating rollers are respectively and rotatably mounted on one side of the two first support plates in turn, one end of the plastic film is clamped between the two rotating rollers, and a driving device capable of driving the two rotating rollers to rotate towards each other is arranged on the first support plate, characterized in that two sliding rods are fixedly mounted on the base, sliding sleeves are slidably mounted on the outer periphery of the sliding rods, the two sliding sleeves are fixedly connected to the same horizontal rod, and the plastic film is in sliding contact and cooperation with the lower side of the horizontal rod.

[0006] In the above-mentioned plastic film guiding feeding structure for a liquid filling machine, the first motor is fixedly mounted on the vertical plate, and the output shaft of the first motor is fixedly connected to the horizontal shaft.

[0007] As described above, in a liquid filling machine plastic film guiding feeding structure, the driving device includes a second motor, the second motor is fixedly mounted on one of the first support plates, the output shaft of the second motor is fixedly connected to one of the rotating rollers, gears are fixedly mounted on the rotating rollers, and the two gears are meshed with each other.

[0008] As described above, a plastic film guiding feeding structure of a liquid filling machine, the horizontal axis is a horizontal tube with an opening at one end, a screw rod is rotatably installed in the horizontal tube, the threads on both sides of the screw rod rotate in opposite directions, and the two sides of the screw rod are respectively threaded and installed with nuts, and a plurality of slide grooves are provided at one end of the horizontal tube, and two connecting rods are respectively slidably installed in the slide grooves, one end of the connecting rod is hinged to the corresponding nut, and the other end of the connecting rod in the same slide groove is hingedly connected to the same second support plate.

[0009] In the above-mentioned plastic film guiding and feeding structure of a liquid filling machine, a hand wheel is fixedly mounted on one end of the screw rod.

[0010] In the above-mentioned plastic film guiding and feeding structure of a liquid filling machine, a rubber cylinder is fixedly installed on the periphery of the rotating roller.

[0011] In the above-mentioned plastic film guiding feeding structure of a liquid filling machine, contact switches are fixedly installed on the top and bottom of a slide bar respectively, a controller is fixedly installed on the base, and the first motor, the second motor and the contact switch are electrically connected to the controller respectively.

[0012] The advantages of the utility model are: the utility model has a simple structure and a wonderful design, and can always keep the plastic film in a taut state, preventing the plastic film from being folded or even knotted when filling again after being relaxed, which affects the filling, can meet actual needs, and is suitable for promotion. When using the utility model, first start the driving device, and the driving device drives the two rotating rollers to rotate towards each other. At this time, the rotating rollers convey the plastic film. When the feeding is stopped, the part of the plastic film between the vertical plate and the first support plate is stretched, but the plastic film is always in sliding contact with the cross bar. At this time, under the gravity of the sliding sleeve and the cross bar, the sliding sleeve and the cross bar move downward, and the plastic film is distributed in a V shape. At this time, the plastic film can be in a taut state. When the plastic film is in a taut state, the sliding sleeve and the cross bar can move upward again, which will not affect the transmission of the plastic film and can also keep the plastic film in a taut state. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a structural schematic diagram of the utility model; Figure 2 yes Figure 1 A-direction view; Figure 3 yes Figure 1 B-direction view; Figure 4 yes Figure 1C-direction view; Figure 5 yes Figure 2 D-direction view; Figure 6 It is a principle diagram of the utility model.

[0015] Figure numerals: 1. base, 2. vertical plate, 3. horizontal axis, 4. support cylinder, 5. first support plate, 6. rotating roller, 7. sliding rod, 8. sliding sleeve, 9. cross bar, 20. first motor, 30. second motor, 31. gear, 40. screw rod, 41. nut, 42. slide groove, 43. connecting rod, 44. second support plate, 50. hand wheel, 60. rubber cylinder, 70. contact switch, 71. controller. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] A plastic film guiding feeding structure for a liquid filling machine, such as Figure 1 , 2As shown in , 3, 4, 5, and 6, it includes a base 1, a vertical plate 2 is fixedly installed on one side of the base 1, a horizontal axis 3 is rotatably installed on the vertical plate 2, a support tube 4 is sleeved on the outer periphery of the horizontal axis 3, and a plastic film 100 is sleeved on the outer periphery of the support tube 4, and two first support plates 5 are fixedly installed on the other side of the base 1, the two first support plates 5 are symmetrically distributed front and back, two rotating rollers 6 are arranged between the two first support plates 5, two ends of the rotating roller 6 are respectively rotatably installed on one side of the two first support plates 5 in sequence, and the two ends of the rotating roller 6 are respectively rotatably connected to one side of the two first support plates 5 through bearings, one end of the plastic film 100 is clamped between the two rotating rollers 6, and the upper and lower sides of the plastic film 100 are respectively in frictional contact with the outer periphery of the corresponding rotating roller 6, and a driving device capable of driving the two rotating rollers 6 to rotate toward each other is provided on the first support plate 5, characterized in that: two sliding rods 7 are fixedly installed on the base 1, the two sliding rods 7 are symmetrically distributed front and back, a sliding sleeve 8 is slidably installed on the outer periphery of the sliding rod 7, the two sliding sleeves 8 are fixedly connected to the same cross bar 9, and the plastic film 100 is in sliding contact with the lower side of the cross bar 9. The utility model has a simple structure and a wonderful design. It can always keep the plastic film 100 in a taut state, prevent the plastic film 100 from being folded or even knotted when filling again after being relaxed, which affects the filling. It can meet the actual needs and is suitable for promotion. When using the utility model, first start the driving device, the driving device drives the two rotating rollers 6 to rotate towards each other, and the rotating rollers 6 transmit the plastic film 100. When the feeding is stopped, the part of the plastic film 100 between the vertical plate 2 and the first support plate 5 is elongated, but the plastic film 100 is always in sliding contact with the cross bar 9. At this time, under the gravity of the sliding sleeve 8 and the cross bar 9, the sliding sleeve 8 and the cross bar 9 move downward. At this time, the plastic film 100 is distributed in a V shape. At this time, the plastic film 100 can be in a taut state. When the plastic film 100 is in a taut state, the sliding sleeve 8 and the cross bar 9 can move upward again, which will not affect the transmission of the plastic film 100 and can also keep the plastic film 100 in a taut state.

[0018] Specifically, as shown in the figure, the first motor 20 is fixedly installed on the vertical plate 2 of this embodiment, the output shaft of the first motor 20 is fixedly connected to the horizontal axis 3, the output shaft of the first motor 20 is coaxially arranged with the horizontal axis 3, a reserved hole is provided on the vertical plate 2, the output shaft of the first motor 20 is rotatably connected to the inner side of the reserved hole through a bearing, and extends out of the reserved hole and is fixedly connected to the horizontal axis 3. When the first motor 20 is started, the output shaft of the first motor 20 drives the horizontal axis 3 to rotate, thereby driving the support tube 4 and the plastic film 100 to rotate.

[0019] Specifically, as shown in the figure, the driving device of this embodiment includes a second motor 30, which is fixedly mounted on one of the support plates 5, and the output shaft of the second motor 30 is fixedly connected to one of the rotating rollers 6. A reserved hole is provided on the first support plate 5 corresponding to the rotating roller 6, and a short shaft is fixedly mounted on one end of the rotating roller 6, and the short shaft is rotatably connected to the corresponding reserved hole through a bearing and extends out of the reserved hole. The output shaft of the second motor 30 is fixedly connected to the short shaft, and a gear 31 is fixedly mounted on the rotating roller 6, and the gear 31 is fixedly mounted on the corresponding short shaft, and the two gears 31 are meshed. When the second motor 30 is started, the output shaft of the second motor 30 drives the corresponding rotating roller 6 and the gear 31 to rotate, and the gear 31 drives the other rotating roller 6 to rotate through another gear 31, so that the two rotating rollers 6 rotate in different directions, so that one end of the plastic film 100 is transmitted to the right.

[0020] Specifically, as shown in the figure, the transverse axis 3 described in this embodiment is a transverse tube with an open end, and the closed end of the transverse tube is coaxial with the output shaft of the first motor 20 and fixedly connected. A screw rod 40 is rotatably installed in the transverse tube, and the threads on both sides of the screw rod 40 are in opposite directions. Nuts 41 are respectively threadedly installed on both sides of the screw rod 40, and the two nuts 41 are symmetrically distributed front to back. A plurality of slide grooves 42 are provided at one end of the transverse tube. In this embodiment, three slide grooves 42 are provided. Two connecting rods 43 are respectively slidably installed in the slide grooves 42, and one end of the connecting rod 43 is hinged on the corresponding nut 41, and the other end of the connecting rod 43 in the same slide groove is hingedly connected to the same second support plate 44. In this embodiment, three second support plates 44 are provided, and the three second support plates 44 are evenly distributed along the circumference. When the support tube 4 with the plastic film 100 is mounted on the outer periphery of the horizontal tube, the screw rod 40 is rotated at this time, and the screw rod 40 drives the two nuts 41 to move away from each other, and the nut 41 drives the corresponding second support plate 44 to move away from the horizontal tube through the connecting rod 43 until the second support plate 44 contacts and cooperates with the inner periphery of the support tube 4, and several second support plates 44 cooperate to clamp the support tube 4 and limit it; when the support tube 4 needs to be replaced, the screw rod 40 is rotated in the opposite direction to make the two nuts 41 move toward each other, and the second support plate 44 is driven to move in the direction of the horizontal tube through the connecting rod 43 to release the limit on the support tube 4.

[0021] Further, as shown in the figure, one end of the screw rod 40 in this embodiment is fixedly mounted with a hand wheel 50. Rotating the screw rod 40 by the hand wheel 50 is more convenient and labor-saving.

[0022] Further, as shown in the figure, the outer periphery of the rotating roller 6 in this embodiment is fixedly installed with a rubber tube 60. The rubber tube 60 can increase the friction between the rotating roller 6 and the plastic film 100, so as to better convey the plastic film 100.

[0023] Furthermore, as shown in the figure, in this embodiment, the top and bottom of the slide bar 7 are fixedly installed with contact switches 70, the base 1 is fixedly installed with a controller 71, and the first motor 20, the second motor 30 and the contact switch 70 are electrically connected to the controller 71. When the sliding sleeve 8 contacts the contact switch 70 on the top side, the plastic film 100 is tightened, the contact switch 70 on the top side feeds back information to the controller 71, and the controller 71 controls the first motor 20 and the second motor 30 to rotate synchronously, or the speed of the first motor 20 is faster than the speed of the second motor 30, so as to prevent the plastic film 100 from continuing to tighten and causing damage to the plastic film 100; when the sliding sleeve 8 contacts the contact switch 70 on the bottom, the plastic film 100 is in a relaxed state, the contact switch 70 on the bottom feeds back information to the controller 71, and the controller 71 controls the speed of the first motor 20 to be lower than the speed of the second motor 30, or controls the first motor 20 to stop rotating, so as to tighten the plastic film 100.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A plastic film guiding feeding structure of a liquid filling machine, comprising a base (1), a vertical plate (2) fixedly mounted on one side of the base (1), a horizontal shaft (3) rotatably mounted on the vertical plate (2), a support cylinder (4) sleeved on the outer periphery of the horizontal shaft (3), a plastic film (100) sleeved on the outer periphery of the support cylinder (4), two first support plates (5) fixedly mounted on the other side of the base (1), two rotating rollers (6) arranged between the two first support plates (5), two ends of the rotating roller (6) are respectively and sequentially rotatably mounted on one side of the two first support plates (5), one end of the plastic film (100) is clamped between the two rotating rollers (6), a driving device capable of driving the two rotating rollers (6) to rotate towards each other is arranged on the first support plate (5), characterized in that: Two slide bars (7) are fixedly mounted on the base (1), a slide sleeve (8) is slidably mounted on the outer periphery of the slide bar (7), the two slide sleeves (8) are fixedly connected to a same cross bar (9), and the plastic film (100) is in sliding contact with the lower side of the cross bar (9).

2. A plastic film guiding and feeding structure for a liquid filling machine according to claim 1, characterized in that: The first motor (20) is fixedly mounted on the vertical plate (2), and the output shaft of the first motor (20) is fixedly connected to the horizontal shaft (3).

3. The plastic film guiding and feeding structure of a liquid filling machine according to claim 2, characterized in that: The driving device comprises a second motor (30), the second motor (30) is fixedly mounted on one of the first support plates (5), the output shaft of the second motor (30) is fixedly connected to one of the rotating rollers (6), a gear (31) is fixedly mounted on each of the rotating rollers (6), and the two gears (31) are meshed with each other.

4. The plastic film guiding and feeding structure of a liquid filling machine according to claim 2, characterized in that: The transverse axis (3) is a transverse tube with an opening at one end, and a screw rod (40) is rotatably installed in the transverse tube. The threads on both sides of the screw rod (40) rotate in opposite directions. The two sides of the screw rod (40) are respectively threadedly matched with the screw nut (41). One end of the transverse tube is provided with a plurality of slide grooves (42), and two connecting rods (43) are respectively slidably installed in the slide grooves (42). One end of the connecting rod (43) is hinged on the corresponding screw nut (41), and the other end of the connecting rod (43) in the same slide groove is hingedly connected to the same second support plate (44).

5. The plastic film guiding and feeding structure of a liquid filling machine according to claim 4, characterized in that: A hand wheel (50) is fixedly mounted on one end of the screw rod (40).

6. The plastic film guiding and feeding structure of a liquid filling machine according to claim 1, characterized in that: A rubber cylinder (60) is fixedly mounted on the outer periphery of the rotating roller (6).

7. The plastic film guiding and feeding structure of a liquid filling machine according to claim 3, characterized in that: A contact switch (70) is fixedly mounted on the top and bottom of the slide bar (7), a controller (71) is fixedly mounted on the base (1), and the first motor (20), the second motor (30) and the contact switch (70) are electrically connected to the controller (71) respectively.

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