Inner film packaging mechanism

Abstract

The invention discloses an inner film packaging mechanism, and relates to the technical field of packaging equipment. The inner film packaging mechanism comprises an inner film grabbing assembly, a control assembly, a first driving assembly, a sealing assembly, a grabbing and clamping assembly, a second driving assembly and a shaping assembly, the inner film grabbing assembly comprises a grabbing clamp, the control assembly controls the grabbing clamp in a linkage mode, the sealing assembly is installed below the inner film grabbing assembly, and the grabbing and clamping assembly controls and transfers an inner film through the second driving assembly; and the inner film is arranged in the shaped outer packaging bag. An inner film is pulled out through the inner film grabbing assembly and is subjected to heat sealing through the heat sealing piece, and independent film bags are cut and separated through the blade; the top end of the independent film bag is closed through the grabbing and clamping assembly, the independent film bag is transferred into the bag opening mechanism through the second driving assembly, the outer packaging bag is opened through the bag opening mechanism through an opening claw, and then the independent film bag with tea is pushed to the bottom end of the outer packaging bag through an inner pressing rod; and multiple structures are matched to efficiently complete inner film packaging, and the packaging efficiency is high.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging equipment, and specifically to an inner film encapsulation mechanism. Background Art

[0002] Packaging machines can be applied to multiple industries. When applied to tea packaging, tea is mostly placed in an outer packaging bag and then vacuumed and encapsulated. However, most existing tea packaging machines have some deficiencies in structural design. For example: complex structure, low packaging efficiency, high manufacturing and maintenance costs; especially when a tea packaging machine has an inner film packaging function, the inner film encapsulation mechanism is the key to realizing the inner film packaging of tea. Therefore, how to efficiently perform inner film encapsulation with a simple structure is particularly important; thus, this case came into being. Summary of the Invention

[0003] The present invention provides an inner film encapsulation mechanism, which overcomes the deficiencies described in the background art.

[0004] The technical solution adopted by the present invention to solve its technical problems is:

[0005] An inner film encapsulation mechanism includes an inner film grasping component, a control component, a first driving component, a sealing component, a clamping component, a second driving component, and a shaping component. The inner film grasping component includes a grasping clip, and the control component controls the grasping clip in a linked manner. The inner film grasping component controls its displacement through the first driving component. A sealing component for sealing the bottom end of the inner film is installed below the inner film grasping component. The clamping component controls the transfer of the inner film through the second driving component. The shaping component is used to shape the bottom structure of the outer packaging bag, and the inner film is placed in the shaped outer packaging bag.

[0006] In some embodiments, a bag-opening frame is provided at the bottom end of the inner film grasping component, and space gaps are separated on both sides of the outer side of the bag-opening frame by the two sides of the inner film.

[0007] In some embodiments, the sealing component is installed between the bag-opening frame and the inner film grasping component. The sealing component includes a first displacement seat and a second displacement seat. Heat-sealing elements are provided on the first displacement seat and the second displacement seat. The inner film grasping component grabs the inner film upward through the grasping clip. The first displacement seat and the second displacement seat move towards each other and contact, and the inner film is heat-sealed by the heat-sealing elements. A blade is installed on the first displacement seat or the second displacement seat, and the blade is controlled by a pneumatic rod. The displacement direction of the blade is perpendicular to the displacement direction of the first displacement seat and the second displacement seat.

[0008] In some embodiments, the first driving assembly includes a first motor, a first gear, a first rack, a first slider, and a first guide rail. The output end of the first motor is equipped with the first gear, which meshes with the first rack. The first rack is connected to one side of the first slider, and the other side of the first slider is connected to the inner membrane grasping assembly. The first slider slides vertically along the first guide rail.

[0009] In some embodiments, the clamping assembly includes a fixed clamp, a displacement clamp, and a clamping seat. The displacement clamp is driven by the rack displacement to contact the fixed clamp. The fixed clamp and the displacement clamp are installed on the clamping seat.

[0010] In some embodiments, the second driving assembly includes a front-back control assembly and a left-right control assembly. The front-back control assembly is horizontally displaced through the left-right control assembly, and the clamping seat is displaced back and forth through the front-back control assembly.

[0011] In some embodiments, the shaping assembly includes a first shaping clamp, a second shaping clamp, and an installation frame. The first shaping clamp and the second shaping clamp perform clamping or separating actions through rack control. The first shaping clamp and the second shaping clamp are installed on the installation frame, and the installation frame is vertically displaced through rack control.

[0012] In some embodiments, a bag-supporting mechanism is further included. The bag-supporting mechanism uses support claws to expand the outer packaging bag. Subsequently, the support claws cooperate with the outer packaging bag to move down to the shaping assembly. The shaping assembly clamps the bottom end of the outer packaging bag through the shaping clamps and moves upward to shape the three-dimensional bottom corner structure of the outer packaging bag.

[0013] In some embodiments, an inner pressure rod that is displaced in the vertical direction is provided inside the bag-supporting mechanism. The downward movement of the inner pressure rod pushes the tea leaves to the bottom of the outer packaging bag.

[0014] In some embodiments, an inner membrane winding and conveying assembly is further included. The inner membrane winding and conveying assembly includes a winding cylinder for storing the inner membrane and a traction cylinder for guiding the inner membrane to extend to the inner membrane grasping assembly.

[0015] By adopting the above technical solutions, the beneficial effects of the present invention are as follows:

[0016] The present invention uses the inner membrane grasping assembly to pull out the inner membrane on the inner membrane winding and conveying assembly and heat-seal it through a heat-sealing member, and cuts and separates it into independent membrane bags through a blade; closes the top of the independent membrane bag through the clamping assembly, transfers it to the bag-supporting mechanism through the second driving assembly. The bag-supporting mechanism uses support claws to expand the outer packaging bag and shapes the bottom end of the outer packaging bag through the shaping assembly. Subsequently, the inner pressure rod pushes the independent membrane bag with tea leaves to the bottom end of the outer packaging bag; multiple structures cooperate to efficiently complete the inner membrane packaging. Subsequently, the inner membrane containing tea leaves is placed in the outer packaging bag for packaging. The packaging efficiency is high. Brief Description of the Drawings

[0017] The present invention will be further described below in conjunction with the drawings and embodiments.

[0018] Figure 1 is a schematic structural diagram of the invention;

[0019] Figure 2 is Figure 1 a partial enlarged view of part A in

[0020] Figure 3 is a schematic structural diagram of the inner membrane grabbing assembly;

[0021] Figure 4 is a schematic structural diagram of the first driving assembly;

[0022] Figure 5 is a schematic structural diagram of the control assembly;

[0023] Figure 6 is a schematic structural diagram of the back side of the sealing assembly;

[0024] Figure 7 is a schematic structural diagram of the front side of the sealing assembly;

[0025] Figure 8 is a schematic structural diagram of the bag supporting mechanism and the inner pressure rod;

[0026] Figure 9 is a schematic structural diagram of the back side of the bag supporting mechanism;

[0027] Figure 10 is a schematic structural diagram of the shaping assembly;

[0028] Figure 11 is a schematic structural diagram of the clamping assembly;

[0029] Figure 12 is a schematic structural diagram of the clamping assembly from another angle.

[0030] Main reference numerals description:

[0031] 1. Inner membrane winding and conveying assembly; 101. Winding cylinder; 102. Traction cylinder; 2. Inner membrane grasping assembly; 21. Grasping clamp; 211. Auxiliary clamping piece; 3. Control assembly; 31. Control motor; 32. Control gear; 33. Transmission gear; 34. Linkage rod; 35. Clamp seat; 4. First driving 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 piece; 54. Blade; 55. Air rod; 56. Control driving assembly; 561. Second motor; 562. Second gear; 563. First displacement rack; 564. Second displacement rack; 6. Bag-opening frame; 7. Clamping assembly; 71. Fixed clamp; 72. Displacement clamp; 73. Clamping seat; 8. Second driving assembly; 81. Front-back control assembly; 82. Left-right control assembly; 9. Shaping assembly; 91. First shaping clamp; 92. Second shaping clamp; 93. Installation frame; 10. Inner membrane packaging mechanism; 11. Hopper body; 12. Bag-supporting mechanism; 121. Supporting claw; 122. Inner pressure rod; 100. Automatic tea packaging machine. Detailed implementation manners

[0032] As Figures 1-12 shown, the present invention provides an inner membrane packaging mechanism, including an inner membrane grasping assembly 2, a control assembly 3, a first driving assembly 4, a sealing assembly 5, a clamping assembly 7, a second driving assembly 8, and a shaping assembly 9. The inner membrane grasping assembly 2 includes a grasping clamp 21. The control assembly 3 controls the grasping clamp 21 in a linked manner. The inner membrane grasping assembly 2 controls the displacement through the first driving assembly 4. A sealing assembly 5 for sealing the bottom end of the inner membrane is installed below the inner membrane grasping assembly 2. The clamping assembly 7 controls the transfer of the inner membrane through the second driving assembly 8. The shaping assembly 9 is used to shape the bottom structure of the outer packaging bag. The inner membrane is placed in the shaped outer packaging bag.

[0033] According to some embodiments of the present invention, optionally, a bag-opening frame 6 is provided at the bottom end of the inner membrane grasping assembly 2, and a space gap is separated on both sides of the inner membrane through the outside of the bag-opening frame 6.

[0034] According to some embodiments of the present invention, optionally, the sealing assembly 5 is installed between the bag-opening frame 6 and the inner membrane grasping assembly 2. The sealing assembly 5 includes a first displacement seat 51 and a second displacement seat 52. A heat-sealing piece 53 is provided on the first displacement seat 51 and the second displacement seat 52. The inner membrane grasping assembly 2 grabs the inner membrane upward through the grasping clamp 21. The first displacement seat 51 and the second displacement seat 52 move towards each other and contact, and the inner membrane is heat-sealed through the heat-sealing piece 53. A blade 54 is installed on the first displacement seat 51 or the second displacement seat 52. The blade 54 is controlled by an air 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.

[0035] Principle of the sealing component 5: The first displacement seat 51 and the second displacement seat 52 displace towards the middle to make contact, and the inner membrane is thermally sealed in the corresponding area by the temperature hot film on the heat-sealing component 53.

[0036] 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 output end of the first motor 41 is installed with the first gear 42, 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 grasping component 2, and the first slider 44 slides vertically along the first guide rail 45.

[0037] The first displacement seat 51 and the second displacement seat 52 are controlled to displace by the control driving component 56. The control driving component 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 installed with the second gear 562. The top and bottom 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.

[0038] The core principle of the displacement of the first displacement seat 51 and the second displacement seat 52: The corresponding second gear 562 meshes with the first displacement rack 563 and the second displacement rack 564 to displace, and then drives the first displacement seat 51 connected to the first displacement rack 563 to displace, and drives the second displacement seat 52 connected to the second displacement rack 564 to displace.

[0039] According to some embodiments of the present invention, optionally, the first displacement seat 51 and the second displacement seat 52 are horizontally displaced by the cooperation of two displacement sliders and displacement guide rails, and the blade 54 and the air rod 55 are installed on the displacement sliders.

[0040] 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 output end of the control motor 31 is installed with the control gear 32, the control gear 32 meshes with the transmission gear 33, the transmission gear 33 is linked with the grasping clip 21 through the linkage rod 34, and the grasping clip 21 rotates with the clamping seat 35 as the rotation base point, specifically at the middle position of the clamping seat 35, that is, the grasping clip 21 is hinged to the middle position of the clamping seat 35.

[0041] According to some embodiments of the present invention, optionally, the grasping clip 21 is of a V-shaped structure, which is convenient for the grasping clip 21 to perform the actions of opening or retracting.

[0042] According to some embodiments of the present invention, optionally, an auxiliary clamping member 211 is installed on the grasping clip 21, and the auxiliary clamping member 211 can be installed on the grasping clip 21 through a rod body.

[0043] According to some embodiments of the present invention, optionally, the gripper assembly 7 includes a fixed gripper 71, a displacement gripper 72, and a gripper seat 73. The displacement gripper 72 drives and contacts the fixed gripper 71 through rack displacement, and the fixed gripper 71 and the displacement gripper 72 are installed on the gripper seat 73.

[0044] According to some embodiments of the present invention, optionally, the second driving assembly 8 includes a front-back control assembly 81 and a left-right control assembly 82. The front-back control assembly 81 is horizontally displaced through the left-right control assembly 82, and the gripper seat 73 is displaced back and forth through the front-back control assembly 81.

[0045] According to some embodiments of the present invention, optionally, the shaping assembly 9 includes a first shaping clip 91, a second shaping clip 92, and a mounting frame 93. The first shaping clip 91 and the second shaping clip 92 perform clamping or separating actions through rack control. The first shaping clip 91 and the second shaping clip 92 are installed on the mounting frame 93, and the mounting frame 93 is vertically displaced through rack control.

[0046] According to some embodiments of the present invention, optionally, a bag-supporting mechanism 12 is further included. The bag-supporting mechanism 12 expands the outer packaging bag through a bag-supporting claw 121. Subsequently, the bag-supporting claw 121 and the outer packaging bag move downward to the shaping assembly 9 together. The shaping assembly 9 clamps the bottom end of the outer packaging bag through a shaping clip and moves upward to shape the three-dimensional bottom corner structure of the outer packaging bag.

[0047] According to some embodiments of the present invention, optionally, an inner pressure rod 122 that is displaced in the vertical direction is provided inside the bag-supporting mechanism 12. The inner pressure rod 122 moves downward to push the tea leaves to the bottom of the outer packaging bag.

[0048] According to some embodiments of the present invention, optionally, an inner film winding and conveying assembly 1 is further included. The inner film winding and conveying assembly 1 includes a winding cylinder 101 for storing the inner film and a traction cylinder 102 that cooperates to guide the inner film to extend to the inner film grasping assembly 2.

[0049] Example 1

[0050] As Figures 1-12As shown, this embodiment provides an inner film packaging mechanism 10, including an inner film grabbing component 2, a control component 3, a first drive component 4, a sealing component 5, a gripping component 7, a second drive component 8, and a shaping component 9. The inner film grabbing component 2 includes a gripping clamp 21, the control component 3 controls the gripping clamp 21 in a linkage manner, the inner film grabbing component 2 controls displacement through the first drive component 4, a sealing component 5 for sealing the bottom end of the inner film is installed below the inner film grabbing component 2, the gripping component 7 controls the transfer of the inner film through the second drive component 8, and the shaping component 9 is used to shape the bottom end structure of the outer packaging bag, and the inner film is placed in the shaped outer packaging bag.

[0051] A bag opening frame 6 is arranged at the bottom end of the inner film grabbing assembly 2 , and a space gap is formed between the two sides of the inner film by separating them from the outer side of the bag opening frame 6 .

[0052] The sealing assembly 5 is installed between the bag opening frame 6 and the inner film grabbing assembly 2. The sealing assembly 5 includes a first displacement seat 51 and a second displacement seat 52. Heat sealing members 53 are arranged on the first displacement seat 51 and the second displacement seat 52. The inner film grabbing assembly 2 grabs the inner film upwards through the grabbing clamp 21. The first displacement seat 51 and the second displacement seat 52 are displaced toward each other and contact each other, and the inner film is sealed by hot melting of the heat sealing member 53. A blade 54 is installed on the first displacement seat 51 or the second displacement seat 52. The blade 54 is controlled by a gas rod 55. 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.

[0053] The first driving 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 installed on the output end of the first motor 41. The first gear 42 is meshed 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 grasping assembly 2. The first slider 44 slides vertically along the first guide rail 45.

[0054] The first displacement seat 51 and the second displacement seat 52 are controlled to displace by the second driving assembly 8. The control driving 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 installed with the second gear 562. The top and bottom of the second gear 562 are respectively engaged 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. The first displacement seat 51 and the second displacement seat 52 are horizontally displaced through the cooperation of two displacement sliders and displacement guide rails. The blade 54 and the air rod 55 are installed on the displacement sliders. The control assembly 3 includes a control motor 31, a control gear 32, a transmission gear 33, a linkage rod 34, and a clamping seat 35. The output end of the control motor 31 is installed with the control gear 32. The control gear 32 is engaged with the transmission gear 33. The transmission gear 33 is linked with the grasping clip 21 through the linkage rod 34, and the grasping clip 21 rotates with the clamping seat 35 as the rotation base point. The grasping clip 21 is of a V-shaped structure, and an auxiliary clamping member 211 is installed on the grasping clip 21.

[0055] The grasping clip assembly 7 includes a fixed clamping hand 71, a displacement clamping hand 72, and a grasping clip seat 73. The displacement clamping hand 72 drives and contacts the fixed clamping hand 71 through rack displacement. The fixed clamping hand 71 and the displacement clamping hand 72 are installed on the grasping clip seat 73. The second driving assembly 8 includes a front-back control assembly 81 and a left-right control assembly 82. The front-back control assembly 81 is horizontally displaced through the left-right control assembly 82, and the grasping clip seat 73 is displaced back and forth through the front-back control assembly 81. The shaping assembly 9 includes a first shaping clip 91, a second shaping clip 92, and a mounting frame 93. The first shaping clip 91 and the second shaping clip 92 perform clamping or separating actions through rack control. The first shaping clip 91 and the second shaping clip 92 are installed on the mounting frame 93, and the mounting frame 93 is vertically displaced through rack control.

[0056] Embodiment 2

[0057] As Figures 1-12 shown, this embodiment provides an inner membrane packaging mechanism 10. The difference between this embodiment and Embodiment 1 is that: it further includes a bag-supporting mechanism 12. The bag-supporting mechanism 12 expands the outer packaging bag through the supporting claws 121. Subsequently, the supporting claws 121 cooperate with the outer packaging bag to move down to the shaping assembly 9. The shaping assembly 9 clamps the bottom end of the outer packaging bag through the shaping clips and moves upward to shape the three-dimensional bottom corner structure of the outer packaging bag. An inner pressing rod 122 that displaces in the vertical direction is arranged in the bag-supporting mechanism 12. The inner pressing rod 122 moves down to push the tea leaves to the bottom of the outer packaging bag.

[0058] Embodiment 3

[0059] As Figures 1-12As shown in the figure, this embodiment provides an inner film encapsulation mechanism 10. The difference between this embodiment and Embodiment 2 is that it further includes an inner film winding and conveying assembly 1. The inner film winding and conveying assembly 1 includes a winding cylinder 101 for storing the inner film and a traction cylinder 102 that cooperates to guide the inner film to extend to the inner film grasping assembly 2.

[0060] Taking the inner film encapsulation mechanism 10 in this Embodiment 3 applied to the tea automatic packaging machine 100 as an example, the inner film (transparent film) is wound around the winding cylinder 101. The winding cylinder 101 is driven to rotate by a motor, and the traction cylinder 102 cooperates to guide the direction of the inner film; the inner film is drawn through the bag-opening frame 6, so that a certain space is separated between the two sides of the inner film; the grasping clip 21 is usually installed on a hopper body 11, and this hopper body 11 is a funnel. Tea falls into the hopper body 11 and then enters the inner film at the bottom end of the hopper body 11. This inner film refers to an independent film bag with a sealed bottom end; before the tea falls into the hopper body 11, the inner film grasping assembly 2 grabs upward the inner film passing through the bag-opening frame 6, seals it through the sealing assembly 5, and cuts the bottom end of the sealed position through the blade 54. At this time, the inner film forms an independent film bag with an open top end and a sealed bottom end.

[0061] When the independent film bag is filled with tea, the top opening of the independent film bag is closed through the grasping clip assembly 7, and it is controlled by the second driving assembly 8 to be transferred to the bag-supporting mechanism 12. The bottom end of the bag-supporting mechanism 12 spreads the outer packaging bag through the supporting claws 121, and the film bag filled with tea is pressed into the outer packaging bag through the inner pressing rod 122. Finally, the vacuum packaging chamber evacuates the air and seals it; while the bag-supporting mechanism 12 spreads the outer packaging bag through the supporting claws 121, the bottom end of the outer packaging bag is clamped by the shaping clip in the shaping mechanism and displaced upward to shape the three-dimensional bottom corner structure of the outer packaging bag.

[0062] The above is only a preferred embodiment of the present invention, so the scope of implementation of the present invention cannot be limited thereby. That is, equivalent changes and modifications made according to the scope of the present invention patent and the content of the specification should still fall within the scope covered by the present invention.

Claims

1. An inner membrane encapsulation mechanism, characterized in that, It includes an inner membrane grasping component, a control component, a first driving component, a sealing component, a clamping component, a second driving component, and a shaping component. The inner membrane grasping component includes a grasping clip. The control component controls the grasping clip in a linked manner. The inner membrane grasping component controls the displacement through the first driving component. A sealing component for sealing the bottom end of the inner membrane is installed below the inner membrane grasping component. The clamping component controls the transfer of the inner membrane through the second driving component. The shaping component is used to shape the bottom structure of the outer packaging bag. The inner membrane is placed inside the shaped outer packaging bag.

2. The inner membrane encapsulation mechanism according to claim 1, characterized in that, A bag-opening frame is arranged at the bottom end of the inner membrane grasping component. Spatial gaps are separated on both sides of the outer side of the bag-opening frame by the two sides of the inner membrane.

3. The inner membrane encapsulation mechanism according to claim 2, characterized in that, The sealing component is installed between the bag-opening frame and the inner membrane grasping component. The sealing component includes a first displacement seat and a second displacement seat. Heat-sealing elements are arranged on the first displacement seat and the second displacement seat. The inner membrane grasping component grasps the inner membrane upward through the grasping clip. The first displacement seat and the second displacement seat move towards each other and come into contact, and heat-seal the inner membrane through the heat-sealing elements. A blade is installed on the first displacement seat or the second displacement seat. The blade is controlled by a pneumatic rod. The displacement direction of the blade is perpendicular to the displacement direction of the first displacement seat and the second displacement seat.

4. The inner membrane encapsulation mechanism according to claim 3, 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 output end of the first motor is installed with the first gear. 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 grasping component. The first slider slides vertically along the first guide rail.

5. The inner membrane encapsulation mechanism according to claim 1, characterized in that, The clamping component includes a fixed clamping hand, a displacement clamping hand, and a clamping seat. The displacement clamping hand is driven by the displacement of the rack to contact the fixed clamping hand. The fixed clamping hand and the displacement clamping hand are installed on the clamping seat.

6. The inner membrane encapsulation mechanism according to claim 5, characterized in that The second driving component includes a front-back control component and a left-right control component. The front-back control component is displaced horizontally through the left-right control component. The clamping seat is displaced back and forth through the front-back control component.

7. The inner membrane encapsulation mechanism according to claim 1, wherein, The shaping component includes a first shaping clip, a second shaping clip, and a mounting frame. The first shaping clip and the second shaping clip perform clamping or separating actions through the control of the rack. The first shaping clip and the second shaping clip are installed on the mounting frame. The mounting frame is controlled to displace vertically through the rack.

8. The inner membrane encapsulation mechanism according to claim 7, characterized in that It also includes a bag-supporting mechanism. The bag-supporting mechanism spreads open the outer packaging bag through supporting claws. Then, the supporting claws cooperate with the outer packaging bag to move down to the shaping component. The shaping component clamps the bottom end of the outer packaging bag through the shaping clip and displaces upward to shape the three-dimensional bottom corner structure of the outer packaging bag.

9. The inner membrane encapsulation mechanism according to claim 8, wherein, An inner pressing rod that displaces in the vertical direction is arranged inside the bag-supporting mechanism. The inner pressing rod moves down to push the tea to the bottom of the outer packaging bag.

10. The inner membrane encapsulation mechanism according to claim 1, characterized in that, It also includes an inner membrane winding and conveying component. The inner membrane winding and conveying component includes a winding cylinder for storing the inner membrane and a traction cylinder for guiding the inner membrane to extend to the inner membrane grasping component in cooperation.

Images