Inner film packaging and sealing mechanism

Abstract

The utility model discloses an inner film packaging and sealing mechanism, and relates to the technical field of packaging. The inner film packaging and sealing mechanism comprises an inner film winding and conveying assembly, an inner film grabbing assembly, a control assembly, a first driving assembly and a sealing assembly, the inner film winding and conveying assembly comprises a winding cylinder used for storing an inner film and a traction cylinder used for guiding the inner film to extend to the inner film grabbing assembly in a matched mode, and the inner film grabbing assembly comprises a grabbing clamp; the control assembly controls the grabbing clamp in a linkage mode, the inner film grabbing assembly controls displacement through the first driving assembly, and the sealing assembly is installed below the inner film grabbing assembly. The inner film packaging and sealing mechanism can be applied to a packaging machine with an inner film packaging function, the inner film is efficiently grabbed from the inner film winding and conveying assembly through the inner film grabbing assembly, the bottom end of the inner film is sealed through the sealing assembly, and independent film bags are formed through blade separation. And the structure is matched to efficiently achieve advanced wrapping and bagging of materials by the inner film, and the matched use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packaging technology, concretely is a kind of inner film packing sealing mechanism. BACKGROUND

[0002] Packaging machine is applied in all walks of life, wherein, when applied to tea packaging, there are two kinds of packaging methods for tea packaging, one is directly packaged in an outer packaging bag, and the other is packaged in an outer packaging bag with an inner film. The use effect of the traditional inner film packaging sealing mechanism is not good, based on this, the inventor studies and proposes the case. UTILITY MODEL CONTENT

[0003] The utility model provides a kind of inner film packing sealing mechanism, which overcomes the deficiencies described in the background art.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A kind of inner film packing sealing mechanism, including inner film winding conveying component, inner film grabbing component, control component, first drive component, sealing component, the inner film winding conveying component includes winding cylinder for storing inner film and traction cylinder for guiding inner film to extend to inner film grabbing component, the inner film grabbing component includes grabbing clamp, the control component is linked to control grabbing clamp, the inner film grabbing component is controlled displacement by first drive component, sealing component is installed below the inner film grabbing component.

[0006] In some embodiments, the inner film grabbing component bottom end is provided with bag opening frame, and the two sides of the inner film are separated by a space gap outside the bag opening frame.

[0007] In some embodiments, the sealing component is installed between the bag opening frame and the inner film grabbing component, the sealing component includes first displacement seat and second displacement seat, a heat sealing element is provided on the first displacement seat and the second displacement seat, the inner film grabbing component is grabbed upwards by the grabbing clamp, the first displacement seat and the second displacement seat are displaced in contact, and the inner film is closed by the heat sealing element.

[0008] In some embodiments, a blade is installed on the first displacement seat or the second displacement seat, the blade is controlled by a gas rod, and the displacement direction of the blade is perpendicular to the displacement direction of the first displacement seat and the second displacement seat.

[0009] In some embodiments, the first drive component includes a first motor, a first gear, a first rack, a first sliding block and a first guide rail, the output end of the first motor is provided with a first gear, the first gear is engaged with the first rack, one side of the first rack is connected to the first sliding block, the other side of the first sliding block is connected to the inner film grabbing component, and the first sliding block vertically slides along the first guide rail.

[0010] In some embodiments, the first displacement seat and the second displacement seat are controlled to displace by a second driving assembly, the second driving assembly comprising a second motor, a second gear, a first displacement rack, and a second displacement rack, the output end of the second motor being provided with the second gear, the top end and the bottom end of the second gear being engaged with the first displacement rack and the second displacement rack respectively, the first displacement rack being connected with the first displacement seat, and the second displacement rack being connected with the second displacement seat.

[0011] In some embodiments, the first displacement seat and the second displacement seat are cooperated to displace laterally by two displacement sliders and a displacement guide rail, the blade and the air rod being mounted on the displacement sliders.

[0012] In some embodiments, the control assembly comprises a control motor, a control gear, a transmission gear, a linkage rod, and a clamping seat, the output end of the control motor being provided with the control gear, the control gear being engaged with the transmission gear, the transmission gear being linked with the grabbing clamp through the linkage rod, and the grabbing clamp being pivoted on the clamping seat.

[0013] In some embodiments, the grabbing clamp is of a V-shaped structure.

[0014] In some embodiments, an auxiliary clamping piece is mounted on the grabbing clamp.

[0015] By adopting the technical scheme, the utility model has the advantages of:

[0016] The inner film packaging and sealing mechanism can be applied to a packaging machine with an inner film packaging function, efficiently grabs the inner film from the inner film winding and conveying assembly through the inner film grabbing assembly, seals the bottom end of the inner film through the sealing assembly, and separates the inner film to form an independent film bag. The structure cooperates to efficiently realize the advance wrapping and bagging of the inner film on the material, and has a good use effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings and embodiments.

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the first driving assembly;

[0020] Figure 3 It is a structural schematic view of the control assembly;

[0021] Figure 4 It is a structural schematic view of the sealing assembly;

[0022] Figure 5 It is a structural schematic view of the front of the sealing assembly;

[0023] Figure 6 This is a schematic diagram of the structure when the inner film packaging sealing mechanism is applied to an automatic tea packaging machine.

[0024] Figure 7 for Figure 6 A magnified view of a portion of point A in the middle.

[0025] Explanation of key figure labels:

[0026] 1. Inner film winding and conveying assembly; 101. Winding drum; 102. Traction drum; 2. Inner film gripping assembly; 21. Gripping clamp; 211. Auxiliary clamping component; 3. Control assembly; 31. Control motor; 32. Control gear; 33. Transmission gear; 34. Linkage rod; 35. Clamping seat; 4. First drive assembly; 41. First motor; 42. First gear; 43. First rack; 44. First slider; 45. First guide rail; 5. Sealing assembly; 51. First displacement seat; 52. Second displacement seat; 53. Heat sealing component; 54. Blade; 55. Air rod; 56. Second drive assembly; 561. Second motor; 562. Second gear; 563. First displacement rack; 564. Second displacement rack; 6. Bag opening frame; 10. Inner film packaging sealing mechanism; 11. Bucket body; 100. Automatic tea packaging machine. Detailed Implementation

[0027] like Figures 1-7 As shown, this utility model provides an inner film packaging sealing mechanism, including an inner film winding and conveying assembly 1, an inner film gripping assembly 2, a control assembly 3, a first drive assembly 4, and a sealing assembly 5. The inner film winding and conveying assembly 1 includes a winding cylinder 101 for storing the inner film and a traction cylinder 102 for guiding the inner film to extend to the inner film gripping assembly 2. The inner film gripping assembly 2 includes a gripping clamp 21. The control assembly 3 controls the gripping clamp 21 in a linkage manner. The inner film gripping assembly 2 is displaced by the first drive assembly 4. The sealing assembly 5 is installed below the inner film gripping assembly 2.

[0028] According to some embodiments of the present invention, optionally, a bag frame 6 is provided at the bottom of the inner membrane gripping component 2, and the two sides of the inner membrane are separated by a spatial gap through the outer side of the bag frame 6.

[0029] According to some embodiments of the present invention, optionally, the sealing assembly 5 is installed between the bag frame 6 and the inner film gripping assembly 2. The sealing assembly 5 includes a first displacement seat 51 and a second displacement seat 52. A heat sealing element 53 is provided on the first displacement seat 51 and the second displacement seat 52. The inner film gripping assembly 2 grips the inner film upward through the gripping clamp 21. The first displacement seat 51 and the second displacement seat 52 move towards each other and contact each other, and the inner film is sealed by heat sealing element 53.

[0030] The principle of sealing component 5: the first displacement seat 51 and the second displacement seat 52 move towards the center and make contact, and the inner film is sealed by the heat film on the heat sealing component 53 in the corresponding area.

[0031] According to some embodiments of the present invention, optionally, a blade 54 is installed on the first displacement seat 51 or the second displacement seat 52. The blade 54 is controlled by a pneumatic rod 55, and the displacement direction of the blade 54 is perpendicular to the displacement direction of the first displacement seat 51 and the second displacement seat 52.

[0032] According to some embodiments of the present invention, optionally, the first driving component 4 includes a first motor 41, a first gear 42, a first rack 43, a first slider 44, and a first guide rail 45. The first gear 42 is installed at the output end of the first motor 41. The first gear 42 meshes with the first rack 43. The first rack 43 is connected to one side of the first slider 44. The other side of the first slider 44 is connected to the inner membrane gripping component 2. The first slider 44 slides vertically along the first guide rail 45.

[0033] According to some embodiments of the present invention, optionally, the first displacement seat 51 and the second displacement seat 52 are controlled by the second drive assembly 56 for displacement. The second drive assembly 56 includes a second motor 561, a second gear 562, a first displacement rack 563, and a second displacement rack 564. The output end of the second motor 561 is equipped with the second gear 562. The top and bottom ends of the second gear 562 respectively mesh with the first displacement rack 563 and the second displacement rack 564. The first displacement rack 563 is connected to the first displacement seat 51, and the second displacement rack 564 is connected to the second displacement seat 52.

[0034] The core principle of displacement of the first displacement seat 51 and the second displacement seat 52 is as follows: the first displacement rack 563 and the second displacement rack 564 are displaced by the corresponding second gear 562, which in turn drives the first displacement seat 51 connected to the first displacement rack 563 to move, and drives the second displacement seat 52 connected to the second displacement rack 564 to move.

[0035] According to some embodiments of the present invention, optionally, the first displacement seat 51 and the second displacement seat 52 are laterally displaced by two displacement sliders and a displacement guide rail, and the blade 54 and the air rod 55 are mounted on the displacement sliders.

[0036] According to some embodiments of the present invention, optionally, the control component 3 includes a control motor 31, a control gear 32, a transmission gear 33, a linkage rod 34, and a clamping seat 35. The control gear 32 is installed at the output end of the control motor 31. The control gear 32 meshes with the transmission gear 33. The transmission gear 33 is linked with the gripping clamp 21 through the linkage rod 34. The gripping clamp 21 takes the clamping seat 35 as its rotation base point, specifically the position in the middle of the clamping seat 35, that is, the gripping clamp 21 is hinged to the middle position of the clamping seat 35.

[0037] According to some embodiments of the present invention, the gripping clamp 21 may optionally have a V-shaped structure, which facilitates the gripping clamp 21 to open or retract.

[0038] According to some embodiments of the present invention, optionally, an auxiliary clamping member 211 is installed on the gripping clamp 21, and the auxiliary clamping member 211 can be installed on the gripping clamp 21 via a rod.

[0039] Example 1

[0040] like Figures 1-7 As shown, this embodiment provides an inner film packaging sealing mechanism, including an inner film winding and conveying assembly 1, an inner film gripping assembly 2, a control assembly 3, a first drive assembly 4, and a sealing assembly 5. The inner film winding and conveying assembly 1 includes a winding cylinder 101 for storing the inner film and a traction cylinder 102 for guiding the inner film to extend to the inner film gripping assembly 2. The inner film gripping assembly 2 includes a gripping clamp 21. The control assembly 3 controls the gripping clamp 21 in a linkage manner. The inner film gripping assembly 2 is displaced by the first drive assembly 4. The sealing assembly 5 is installed below the inner film gripping assembly 2.

[0041] The inner membrane gripping assembly 2 has a bag-opening frame 6 at its bottom, and the two sides of the inner membrane are separated by a spatial gap through the outer side of the bag-opening frame 6. A sealing assembly 5 is installed between the bag-opening frame 6 and the inner membrane gripping assembly 2. The sealing assembly 5 includes a first displacement seat 51 and a second displacement seat 52. Heat-sealing elements 53 are installed on the first displacement seat 51 and the second displacement seat 52. The inner membrane gripping assembly 2 grips the inner membrane upwards using a gripping clamp 21. The first displacement seat 51 and the second displacement seat 52 move towards each other and contact, and the inner membrane is sealed by heat sealing elements 53. A blade 54 is installed on either the first displacement seat 51 or the second displacement seat 52. The blade 54 is controlled by a pneumatic rod 55, and the displacement direction of the blade 54 is perpendicular to the displacement direction of the first displacement seat 51 and the second displacement seat 52. The first drive assembly 4 includes a first motor 41, a first gear 42, a first rack 43, a first slider 44, and a first guide rail 45. The first gear 42 is mounted on the output end of the first motor 41, and the first gear 42 meshes with the first rack 43. The first rack 43 is connected to one side of the first slider 44, and the other side of the first slider 44 is connected to the inner membrane gripping assembly 2. The first slider 44 slides vertically along the first guide rail 45. The first displacement seat 51 and the second displacement seat 52 are controlled by the second drive assembly 56. The second drive assembly 56 includes a second motor 561, a second gear 562, a first displacement rack 563, and a second displacement rack 564. The second gear 562 is mounted on the output end of the second motor 561, and the top and bottom ends of the second gear 562 mesh with the first displacement rack 563 and the second displacement rack 564, respectively. The first displacement rack 563 is connected to the first displacement seat 51, and the second displacement rack 564 is connected to the second displacement seat 52. The first displacement seat 51 and the second displacement seat 52 are laterally displaced through two displacement sliders and a displacement guide rail. The blade 54 and the pneumatic rod 55 are mounted on the displacement sliders. The control component 3 includes a control motor 31, a control gear 32, a transmission gear 33, a linkage rod 34, and a clamping seat 35. The control gear 32 is mounted on the output end of the control motor 31. The control gear 32 meshes with the transmission gear 33. The transmission gear 33 is linked to the gripping clamp 21 through the linkage rod 34, and the gripping clamp 21 rotates around the clamping seat 35.

[0042] The gripper 21 has a V-shaped structure and is equipped with an auxiliary gripping component 211.

[0043] Taking the inner film packaging sealing mechanism 10 in this embodiment as an example applied to the automatic tea packaging machine 100, the inner film (transparent film) is wound on the winding drum 101. The winding drum 101 is driven to rotate by a motor and guided by the traction drum 102. The inner film is pulled through the bag frame 6, so that the two sides of the inner film are separated into a certain space. The gripping clamp 21 is usually installed on a hopper 11. This hopper 11 is a funnel. The tea leaves fall into the hopper 11 and then enter the inner film at the bottom of the hopper. This inner film refers to the independent film bag sealed at the bottom.

[0044] Before the tea leaves fall into the container, the inner film gripping component 2 grabs the inner film from the bag frame 6, seals it with the sealing component 5, and cuts the bottom of the sealing position with the blade 54. At this time, the inner film forms an independent film bag with an open top and a sealed bottom.

[0045] The above description is only a preferred embodiment of the present utility model, and therefore cannot be used to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model patent and the contents of the specification should still fall within the scope of the present utility model.

Claims

1. A sealing mechanism for inner film packaging, characterized in that, The device includes an inner film winding and conveying assembly, an inner film gripping assembly, a control assembly, a first drive assembly, and a sealing assembly. The inner film winding and conveying assembly includes a winding cylinder for storing the inner film and a traction cylinder for guiding the inner film to the inner film gripping assembly. The inner film gripping assembly includes gripping clamps. The control assembly controls the gripping clamps in a coordinated manner. The inner film gripping assembly is displaced by the first drive assembly. A sealing assembly is installed below the inner film gripping assembly.

2. The inner film packaging sealing mechanism according to claim 1, characterized in that, The bottom of the inner membrane gripping component is provided with a bag frame, and the two sides of the inner membrane are separated by a spatial gap through the outer side of the bag frame.

3. The inner film packaging sealing mechanism according to claim 2, characterized in that, The sealing assembly is installed between the bag frame and the inner film gripping assembly. The sealing assembly includes a first displacement seat and a second displacement seat. A heat sealing element is provided on the first displacement seat and the second displacement seat. The inner film gripping assembly grips the inner film upward through the gripping clamp. The first displacement seat and the second displacement seat move towards each other and contact each other, and the inner film is sealed by heat sealing through the heat sealing element.

4. The inner film packaging sealing mechanism according to claim 3, characterized in that, A blade is mounted on the first or second displacement seat. The blade is controlled by a pneumatic rod, and the displacement direction of the blade is perpendicular to the displacement direction of the first or second displacement seat.

5. The inner film packaging sealing mechanism according to claim 1, characterized in that, The first driving component includes a first motor, a first gear, a first rack, a first slider, and a first guide rail. The first gear is installed at the output end of the first motor. The first gear meshes with the first rack. The first rack is connected to one side of the first slider. The other side of the first slider is connected to the inner membrane gripping component. The first slider slides vertically along the first guide rail.

6. The inner film packaging sealing mechanism according to claim 4, characterized in that, The first displacement seat and the second displacement seat are controlled by a second drive assembly. The second drive assembly includes a second motor, a second gear, a first displacement rack, and a second displacement rack. The output end of the second motor is equipped with the second gear. The top and bottom ends of the second gear respectively mesh with the first displacement rack and the second displacement rack. The first displacement rack is connected to the first displacement seat, and the second displacement rack is connected to the second displacement seat.

7. The inner film packaging sealing mechanism according to claim 6, characterized in that, The first displacement seat and the second displacement seat are laterally displaced by two displacement sliders and a displacement guide rail, and the blade and the air rod are mounted on the displacement sliders.

8. The inner film packaging sealing mechanism according to claim 1, characterized in that, The control component includes a control motor, a control gear, a transmission gear, a linkage rod, and a clamping seat. The control gear is installed at the output end of the control motor. The control gear meshes with the transmission gear. The transmission gear is linked to the gripping clamp through the linkage rod, and the gripping clamp rotates around the clamping seat as its base point.

9. The inner film packaging sealing mechanism according to claim 8, characterized in that, The gripper has a V-shaped structure.

10. The inner film packaging sealing mechanism according to claim 9, characterized in that, The gripper is equipped with an auxiliary clamping component.

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