A special bag and a sealing machine for the special bag

Abstract

The present invention discloses a special bag and a sealing machine for the special bag. Among them, a special bag includes a bag body, a mouth ring and a cover piece. The bag body is provided with a bag mouth. The mouth ring is connected to the bag body and is located at the bag mouth. The cover piece is provided with a reserved part. The cover piece is connected to the mouth ring through the reserved part. The cover piece can swing to abut against the mouth ring to close the bag mouth, and a vacuum pumping hole is provided on the reserved part. Through the above structure, the addition of the mouth ring enables users to complete the powder filling operation with only one hand, thereby optimizing the user experience.

Description

Technical Field

[0001] The present invention relates to the field of vacuum packaging, and particularly to a special bag and a sealing machine for the special bag. Background Art

[0002] In the existing technology, the conventional design of vacuum packaging bags requires users to operate with both hands when loading powdered items, and this loading operation directly affects the user experience. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. For this purpose, the present invention provides a special bag that can optimize the user experience.

[0004] The present invention also provides a sealing machine for the special bag applicable to the special bag.

[0005] A special bag according to an embodiment of the first aspect of the present invention includes: a bag body, a mouth ring, and a cover sheet. The bag body is provided with a bag opening. The mouth ring is connected to the bag body and is located at the bag opening. The cover sheet is provided with a reserved portion. The cover sheet is connected to the mouth ring through the reserved portion. The cover sheet can swing to abut against the mouth ring to close the bag opening. The reserved portion is provided with a vacuum pumping hole.

[0006] A special bag according to an embodiment of the present invention has at least the following beneficial effects: The mouth ring is connected to the bag body and is located at the bag opening. Through the above structure, the addition of the mouth ring enables the user to complete the powder loading operation with only one hand, thereby optimizing the user experience.

[0007] According to some embodiments of the present invention, the bag body is in a cylindrical shape.

[0008] According to some embodiments of the present invention, the bag body, the mouth ring, and the cover sheet are of an integrally formed structure.

[0009] A sealing machine for a special bag according to an embodiment of the second aspect of the present invention is used for performing vacuum pumping and sealing operations on the above special bag, and includes a machine shell, a heat sealing member, a vacuum pumping mechanism, and a bag pressing mechanism. The machine shell is provided with a placing cylinder. The heat sealing member is disposed on the top of the placing cylinder. The vacuum pumping mechanism is disposed in the machine shell. The vacuum pumping mechanism is provided with a vacuum pumping chamber. The vacuum pumping chamber is provided with an opening. The bag pressing mechanism is disposed in the machine shell. The bag pressing mechanism is provided with a first pressing plate section and a second pressing plate section. The first pressing plate section can be pressed on the heat sealing member, and the second pressing plate section can close the opening.

[0010] A sealing machine for a special bag according to an embodiment of the present invention has at least the following beneficial effects: Through the above structure, vacuum pumping and sealing operations can be performed on the special bag.

[0011] According to the second embodiment of the present invention, the vacuum pumping mechanism includes a vacuum pumping cylinder and a vacuum pump. The vacuum pumping cylinder is provided in the machine shell. The vacuum pumping cylinder is provided with the vacuum pumping cavity. The vacuum pumping cylinder is provided with a pipe joint communicating with the vacuum pumping cavity. The vacuum pump is provided in the machine shell. The air suction port of the vacuum pump is connected to the pipe joint through a pipeline.

[0012] According to the second embodiment of the present invention, the vacuum pumping cylinder and the machine shell are of an integrally formed structure.

[0013] According to the second embodiment of the present invention, the bag pressing mechanism includes a driving component, a connecting rod member and a pressing plate. The driving component is provided in the machine shell. One end of the connecting rod member is connected to the driving component. The pressing plate is provided with the first pressing plate section and the second pressing plate section. The pressing plate is connected to the other end of the connecting rod member.

[0014] According to the second embodiment of the present invention, a suction nozzle is provided at the bottom inside the placing cylinder.

[0015] According to the second embodiment of the present invention, it further includes a bag loading mechanism. The bag loading mechanism is provided in the machine shell. The bag loading mechanism can store the special bag and can move the special bag into the placing cylinder.

[0016] According to the second embodiment of the present invention, the bag loading mechanism includes a strip beam and a bag storage cylinder. The strip beam is provided in the machine shell. The bag storage cylinder is connected to the strip beam through a linear module. Two abutting pieces are provided on the inner side wall of the bag storage cylinder. The two abutting pieces are arranged oppositely.

[0017] The additional aspects and advantages of the present invention will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0019] Figure 1 is a structural diagram of an embodiment of the special bag of the present invention;

[0020] Figure 2 is a structural diagram of the special bag sealing machine of the present invention;

[0021] Figure 3 is Figure 2 a cross-sectional view of the special bag sealing machine shown in

[0022] Figure 4 is Figure 2 a structural diagram of the bag storage cylinder shown in

[0023] Reference numerals:

[0024] Housing 100, receiving cylinder 110;

[0025] Heat-sealing member 200;

[0026] Vacuum pumping mechanism 300, vacuum pumping cylinder 310, vacuum pumping chamber 311, open end 311A, pipe joint 312, vacuum pump 320;

[0027] Bag pressing mechanism 400, driving assembly 410, electric push rod 411, motor 412, link member 420, pressing plate 430, first pressing plate section 431, second pressing plate section 432;

[0028] Suction nozzle 500;

[0029] Bag loading mechanism 600, strip beam 610, bag storage cylinder 620, abutting piece 621;

[0030] Linear module 700;

[0031] Bag body a, bag mouth a1, mouth ring b, cover piece c, reserved portion c1, vacuum pumping hole c11. Detailed implementation manners

[0032] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the protection scope of the present invention.

[0033] In the description of the present invention, if the first, second, third, fourth, fifth, etc. are described only for the purpose of distinguishing technical features, they cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0034] In the description of the present invention, it should be understood that for the orientation description, such as up, down, front, back, left, right, etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the present invention, unless otherwise clearly defined, terms such as "set", "installed", "connected" should be understood in a broad sense. For example, it can be directly connected, or indirectly connected through an intermediate medium; it can be fixedly connected, or detachably connected, or integrally formed; it can be mechanically connected; it can be the communication inside two components or the interaction relationship between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in the present invention in combination with the specific content of the technical solution.

[0036] Referring to Figure 1 , an embodiment of the present invention provides a special bag, which includes a bag body a, a mouth ring b, and a cover piece c.

[0037] The bag body a is provided with a bag mouth a1. The mouth ring b is connected to the bag body a, and the mouth b is located at the bag mouth a1. The cover piece c is provided with a reserved part c1. The cover piece c is connected to the mouth ring b through the reserved part c1. The cover piece c can swing to abut against the mouth ring b to close the bag mouth a1. A vacuum pumping hole c11 is provided on the reserved part c1. Among them, the setting of the vacuum pumping hole c11 can facilitate the later vacuum pumping work of the special bag.

[0038] The mouth ring b is connected to the bag body a, and the mouth ring b is located at the bag mouth a1. Through the above structure, the addition of the mouth ring b enables the user to complete the powder loading operation with only one hand, thereby optimizing the user experience.

[0039] In this embodiment, the bag body a is in a cylindrical shape.

[0040] In this embodiment, the bag body a, the mouth ring b, and the cover piece c are of an integrally formed structure.

[0041] The present invention also provides a sealing machine for the special bag, which is used for vacuum pumping and sealing the above-mentioned special bag. It includes a machine shell 100, a heat-sealing member 200, a vacuum pumping mechanism 300, and a bag pressing mechanism 400.

[0042] Referring to Figure 2 , Figure 3 and Figure 4 , the machine shell 100 is provided with a placing cylinder 110. The heat-sealing member 200 is arranged at the top of the placing cylinder 110. The heat-sealing member 200 cooperates with the mouth ring b. The vacuum pumping mechanism 300 is arranged in the machine shell 100. The vacuum pumping mechanism 300 is correspondingly arranged with respect to the reserved part c1. The vacuum pumping mechanism 300 is provided with a vacuum pumping cavity 311. The vacuum pumping cavity 311 is provided with an opening 311A. The bag pressing mechanism 400 is arranged in the machine shell 100. The bag pressing mechanism 400 is provided with a first pressing plate section 431 and a second pressing plate section 432. The first pressing plate section 431 can be pressed on the heat-sealing member 200, and the second pressing plate section 432 can close the opening 311A. Among them, the placing cylinder 110 and the machine shell 100 are of an integrally formed structure; a suction nozzle 500 is provided at the bottom inside the cylinder of the placing cylinder 110.

[0043] With the above structure, vacuum pumping and sealing operations can be performed on the special bag.

[0044] The vacuum pumping mechanism 300 includes a vacuum pumping cylinder 310 and a vacuum pump 320.

[0045] Refer to Figure 2 and Figure 3 , the vacuum pumping cylinder 310 is arranged in the housing 100, the vacuum pumping cylinder 310 is provided with the above-mentioned vacuum pumping cavity 311, the vacuum pumping cylinder 310 is provided with a pipe joint 312 communicating with the vacuum pumping cavity 311, the vacuum pump 320 is arranged in the housing 100, and the air suction port of the vacuum pump 320 is connected to the pipe joint 312 through a pipeline. Among them, the vacuum pumping cylinder 310 and the housing 100 are of an integrally formed structure.

[0046] The bag pressing mechanism 400 includes a driving assembly 410, a connecting rod member 420, and a pressing plate 430.

[0047] Refer to Figure 3 , the driving assembly 410 is arranged in the housing 100, one end of the connecting rod member 420 is connected to the driving assembly 410, the pressing plate 430 is provided with the above-mentioned first pressing plate section 431 and the above-mentioned second pressing plate section 432, and the pressing plate 430 is connected to the other end of the connecting rod member 420.

[0048] The driving assembly 410 includes an electric push rod 411 and a motor 412.

[0049] Refer to Figure 3 , the electric push rod 411 is arranged in the housing 100, the motor 412 is connected to the output end of the electric push rod 411, the output end of the motor 412 is connected to the above-mentioned one end of the connecting rod member 420, and the motor 412 can drive the connecting rod member 420 to rotate.

[0050] In some embodiments, the electric push rod 411 can be replaced by a hydraulic cylinder, a pneumatic cylinder, etc.

[0051] It further includes a bag loading mechanism 600. The bag loading mechanism 600 is arranged in the housing 100. The bag loading mechanism 600 can store the special bag and can move the special bag into the receiving cylinder 110.

[0052] The bag loading mechanism 600 includes a strip beam 610 and a bag storage cylinder 620.

[0053] Refer to Figure 2 and Figure 4 , the strip beam 610 is arranged in the housing 100, the bag storage cylinder 620 is connected to the strip beam 610 through a linear module 700, two abutting pieces 621 are arranged on the inner side wall of the bag storage cylinder 620, and the two abutting pieces 621 are arranged oppositely. Among them, both the mouth ring b and the cover plate c can abut on the two abutting pieces 621, so that the bag loading mechanism 600 can store the special bag.

[0054] The steps of using a special bag sealer to evacuate and seal a special bag are as follows:

[0055] 1. The special bag is moved into the receiving cylinder 110, the mouth ring b abuts against the heat-sealing member 200, and the suction nozzle 500 adsorbs the bottom of the bag body a;

[0056] 2. The driving assembly 410 drives the pressing plate 430 to move. The first pressing plate section 431 drives the cover piece c to swing until it abuts against the mouth ring b. The first pressing plate section 431 presses the cover piece c and the mouth ring b against the heat-sealing member 200. The second pressing plate section 432 closes the open end 311A, and the second pressing plate section 432 presses the reserved portion c1 against the evacuation cylinder 310. The evacuation chamber 311 is communicated with the inner cavity of the bag body a through the evacuation hole c11;

[0057] 3. The vacuum pump 320 operates to evacuate the bag body a;

[0058] 4. The heat-sealing member 200 operates to heat-seal the cover piece c and the mouth ring b.

[0059] Of course, the present invention is not limited to the above embodiments. Those skilled in the art can make equivalent deformations or substitutions without departing from the spirit of the present invention, and these equivalent deformations and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A special bag sealer is used for evacuating and sealing a special bag. The special bag includes a bag body, a mouth ring and a cover sheet. The bag body is provided with a bag mouth. The mouth ring is connected to the bag body and is located at the bag mouth. The cover sheet is provided with a reserved portion. The cover sheet is connected to the mouth ring through the reserved portion. The cover sheet can swing to abut against the mouth ring to close the bag mouth. The reserved portion is provided with a vacuum hole, and it is characterized in that: including a casing, the casing is provided with a placing cylinder; a heat-sealing member, provided at the top of the placing cylinder; a vacuum pumping mechanism, provided in the casing, the vacuum pumping mechanism is provided with a vacuum pumping chamber, and the vacuum pumping chamber is provided with an opening; a bag pressing mechanism, provided in the casing, the bag pressing mechanism is provided with a first pressing plate section and a second pressing plate section, the first pressing plate section can be pressed on the heat-sealing member, and the second pressing plate section can close the opening; The vacuum pumping mechanism includes: a vacuum pumping cylinder, provided in the casing, the vacuum pumping cylinder is provided with the vacuum pumping chamber, and the vacuum pumping cylinder is provided with a pipe joint communicating with the vacuum pumping chamber; a vacuum pump, provided in the casing, and the air suction port of the vacuum pump is connected to the pipe joint through a pipeline; The bag pressing mechanism includes: a driving component, provided in the casing; a connecting rod member, one end of the connecting rod member is connected to the driving component; a pressing plate, the pressing plate is provided with the first pressing plate section and the second pressing plate section, and the pressing plate is connected to the other end of the connecting rod member.

2. The special bag sealer according to claim 1, wherein: The bag body is cylindrical.

3. The special bag sealer according to claim 1, wherein: The bag body, the mouth ring and the cover sheet are integrally formed structures.

4. The special bag sealer according to claim 1, wherein: The vacuum pumping cylinder and the casing are integrally formed structures.

5. The special bag sealer according to claim 1, wherein: A suction nozzle is provided at the inner bottom of the placing cylinder.

6. The special bag sealer according to claim 1, wherein: It further includes a bag loading mechanism, the bag loading mechanism is provided in the casing, the bag loading mechanism can store the special bag and can move the special bag into the placing cylinder.

7. The special bag sealer according to claim 6, wherein: The bag loading mechanism includes: a strip beam, provided in the casing; a bag storage cylinder, the bag storage cylinder is connected to the strip beam through a linear module, and two abutting pieces are provided on the inner side wall of the bag storage cylinder, and the two abutting pieces are arranged oppositely.

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