Bag opening mechanism for packaging bag

Abstract

The utility model relates to the technical field of bag opening equipment, and discloses a packaging bag opening mechanism which comprises a support and a bag opening mechanism body, a bag opening assembly comprises a support, a power piece, a first rod body and a second rod body, the first rod body and the second rod body are arranged side by side, and a first suction piece is arranged at the end, away from the first support, of the first rod body. The end, away from the first support, of the second rod body is provided with a second suction part, the second suction part is located right in front of the first suction part, a bag opening space used for opening a packaging bag is formed between the second suction part and the first suction part, and the power part is used for driving the first rod body and the second rod body to move in a staggered mode. Therefore, the packaging bag in the bag opening space can be opened. According to the bag opening mechanism for the packaging bag, automatic operation can be achieved, operation is convenient, manual bag opening is not needed, the labor intensity of workers is relieved, and the bag opening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bag opening, in particular to a bag opening mechanism for packaging bags. Background Art

[0002] In the field of packaging, it is often necessary to separate empty packaging bags from stacks of packaging bags, then open the bags, fill the bags with materials, and then seal them. In the existing technology, packaging bag separation and bag opening are generally manual operations. Manual operations have the following disadvantages: high labor intensity, requiring long-term repetitive reciprocating movements that easily lead to fatigue; the bag opening process is time-consuming and labor-intensive, and inefficient. Utility Model Content

[0003] In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a bag opening mechanism for a packaging bag.

[0004] The present application provides a bag opening mechanism for a packaging bag, comprising:

[0005] Bracket;

[0006] The bag opening assembly includes a support, a power piece, and a first rod and a second rod arranged side by side. The first rod is provided with a first suction piece at an end away from the support, and the second rod is provided with a second suction piece at an end away from the first support. The second suction piece is located directly in front of the first suction piece, and forms an opening space for opening the packaging bag between the second suction piece and the first suction piece. The power piece is used to drive the first rod and the second rod to move in an interlaced manner to open the packaging bag located in the bag opening space.

[0007] In a possible embodiment, the bag opening assembly further includes a rotating tooth, a first rack and a second rack, the rotating tooth being connected to the power member to drive the rotating tooth to rotate inside the support, and a first slide and a second slide located on both sides of the rotating tooth being arranged side by side inside the support, the first rack being arranged in the first slide and meshing with the rotating tooth, the second rack being arranged in the second slide and meshing with the rotating tooth, the first rod being connected to the front end of the first rack, and the second rod being connected to the front end of the second rack.

[0008] In a possible embodiment, the power part includes a cylinder and a transmission part, the transmission part is connected to the rotating tooth through a rotating shaft, the cylinder is located behind the support and connected to the support, and the piston rod of the cylinder is connected to one end of the transmission part, which is used to drive the transmission part to rotate, thereby driving the rotating tooth to rotate.

[0009] In a possible embodiment, it further includes a first connecting member and a second connecting member, wherein the first connecting member is installed at the front end of the first rack and is used to connect to an end of the first rod body close to the support, and the second connecting member is installed at the front end of the second rack and is used to connect to an end of the second rod body close to the support.

[0010] In one possible embodiment, the first connecting member and the second connecting member have the same structure, and the first connecting member includes a mounting block and an L-shaped block, the mounting block is fixedly connected to the front end of the first rack, the L-shaped block is connected to the front surface of the mounting block, and the end of the first rod body close to the support is connected to the L-shaped block.

[0011] In a possible implementation, an adjustment hole is provided on a surface of the L-shaped block for connecting with the mounting block, and a mounting hole matching the adjustment hole is provided on the mounting block.

[0012] In a possible embodiment, the first suction member and the second suction member have the same structure, wherein the first suction member includes a suction nozzle and a mounting rod, the mounting rod is detachably sleeved on an end of the first rod body away from the support, and the suction nozzle is mounted on the lower end of the mounting rod.

[0013] In a possible embodiment, a lifting assembly is further included, the lifting assembly including a lifting drive and a lifting frame, the support is fixed on the lifting frame, the lifting drive is connected to the lifting frame, and is used to drive the lifting frame to move up and down, thereby driving the support to move up and down, and the lifting drive is fixed on the bracket.

[0014] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art:

[0015] After the packaging bag to be opened is placed in the bag opening space, the power member first drives the first rod and the second rod to move in an interlaced manner, thereby driving the first suction member mounted on the first rod and the second suction member mounted on the second rod to approach each other and suction the opposite sides of the packaging bag. The power member then drives the first and second rods to move relative to each other, driving the first suction member and the second suction member away from each other. At this time, the opposite sides of the packaging bag are pulled outward, thereby achieving the opening of the packaging bag. In other words, the bag opening mechanism of the packaging bag can be automatically operated, is easy to operate, and does not require manual bag opening, thereby reducing the labor intensity of workers and improving the bag opening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a bag opening mechanism for a packaging bag according to an embodiment of the present utility model;

[0017] Figure 2 This is a structural schematic diagram of a bag opening mechanism of a packaging bag according to an embodiment of the present utility model from another perspective;

[0018] Figure 3 It is a structural schematic diagram of a bag opening component in a bag opening mechanism of a packaging bag according to an embodiment of the present utility model.

[0019] Figure Number:

[0020] 10. Bracket; 20. Bag opening assembly; 21. Support; 21a. First slide; 22. Power member; 23. First rod; 24. Second rod; 25. First suction member; 251. Mounting rod; 252. Suction nozzle; 26. Second suction member; 27. Bag opening space; 28. First rack; 29. ​​Second rack; 210. Transmission member; 211. Rotating gear; 30. Lifting assembly; 31. Lifting drive member; 32. Lifting frame; 40. First connecting member; 41. Mounting block; 42. L-shaped block. DETAILED DESCRIPTION

[0021] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings and are constructed and operated in specific directions. They are only for the convenience of describing the present technical solution and do not indicate that the devices or components referred to must have specific directions. Therefore, they should not be understood as limiting the present invention.

[0022] It should also be noted that, unless otherwise clearly specified and limited, terms such as "installed", "connected", "connected", "fixed", and "set" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrated; they can be mechanically connected or electrically connected; they can be directly connected or indirectly connected through an intermediate medium, and they can be internal connections between two elements or interactions between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intervening elements. The terms "first", "second", and "third" are only used to facilitate the description of the present technical solution and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", and "third" can explicitly or implicitly include one or more of these features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] In the following description, specific details such as specific system structures and techniques are provided for purposes of illustration, not limitation, to facilitate a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid obscuring the description of the present invention with unnecessary detail.

[0024] like Figures 1 to 3 As shown, an embodiment of the utility model provides a bag opening mechanism for a packaging bag, including a bracket 10 and a bag opening assembly 20. The bag opening assembly 20 includes a support 21, a power piece 22, and a first rod 23 and a second rod 24 arranged side by side. The first rod 23 is provided with a first suction piece 25 at an end away from the support 21, and the second rod 24 is provided with a second suction piece 26 at an end away from the first support 21. The second suction piece 26 is located directly in front of the first suction piece 25, and forms an opening space 27 for opening the packaging bag between the second suction piece 26 and the first suction piece 25. The power piece 22 is used to drive the first rod 23 and the second rod 24 to move alternately with each other to realize opening the packaging bag located in the bag opening space 27.

[0025] According to the bag opening mechanism of the packaging bag based on the above technical features, after the packaging bag to be opened is placed into the bag opening space 27, the power member 22 first drives the first rod 23 and the second rod 24 to move in an interlaced manner, thereby driving the first suction member 25 mounted on the first rod 23 and the second suction member 26 mounted on the second rod 24 to approach each other and suction the opposite sides of the packaging bag. Then, the power member 22 drives the first rod 23 and the second rod 24 to move relative to each other, driving the first suction member 25 and the second suction member 26 away from each other. At this time, the opposite sides of the packaging bag are pulled outward, thereby achieving the opening of the packaging bag. In other words, the bag opening mechanism of the packaging bag can be automated and easy to operate, eliminating the need for manual bag opening, reducing the labor intensity of workers and improving the bag opening efficiency.

[0026] In a possible embodiment, the bag opening assembly 20 also includes a rotating tooth 211, a first rack 28 and a second rack 29. The rotating tooth 211 is connected to the power part 22 to drive the rotating tooth 211 to rotate inside the support 21. The interior of the support 21 is provided with a first slide 21a and a second slide located on both sides of the rotating tooth 211. The first rack 28 is arranged in the first slide 21a and meshes with the rotating tooth 211. The second rack 29 is arranged in the second slide and meshes with the rotating tooth 211. The first rod body 23 is connected to the front end of the first rack 28, and the second rod body 24 is connected to the front end of the second rack 29. That is to say, the first rack 28 and the second rack 29 are respectively placed in the first slide 21a and the second slide, and the first rack 28 and the second rack 29 are engaged with the rotating tooth 211, so that when the power member 22 drives the rotating tooth 211 to rotate, the first rack 28 and the second rack 29 are driven to move in opposite directions, thereby driving the first rod body 23 and the second rod body 24 to approach or move away from each other, thereby controlling the first suction member 25 and the second suction member 26 to approach or move away, thereby realizing automatic opening of the bag mouth of the packaging bag without manual bag opening.

[0027] In one possible embodiment, the power member 22 includes a cylinder and a transmission member 210, the transmission member 210 is connected to the rotating tooth 211 through a rotating shaft, the cylinder is located behind the support 21 and is connected to the support 21, and the piston rod of the cylinder is connected to one end of the transmission member 210, which is used to drive the transmission member 210 to rotate, thereby driving the rotating tooth 211 to rotate.

[0028] Illustratively, after the packaging bag to be opened is placed into the bag opening space 27, the cylinder drives the transmission member 210 to push the rotating tooth 211 to rotate. Since the first rack 28 and the second rack 29 are respectively arranged on both sides of the rotating tooth 211 and are meshed with the rotating tooth 211, the first rack 28 and the second rack 29 are alternately moved back and forth, thereby driving the first rod 23 and the second rod 24 to approach each other, thereby causing the first suction member 25 installed on the first rod 23 and the second suction member 26 installed on the second rod 24 to adsorb the relative surfaces of the packaging bag, and then the cylinder drives the rotating member to drive the first rack 28 and the second rack 29 to move back and forth alternately, so that the first suction member 25 and the second suction member 26 are away from each other, thereby opening the bag mouth of the packaging bag. The structure is simple and the operation is convenient, which replaces the manual bag opening method and helps to reduce labor intensity.

[0029] In a possible embodiment, it further includes a first connecting member 40 and a second connecting member, the first connecting member 40 is installed at the front end of the first rack 28, and is used to connect to the end of the first rod body 23 close to the support 21, and the second connecting member is installed at the front end of the second rack 29, and is used to connect to the end of the second rod body 24 close to the support 21.

[0030] Specifically, the first connecting member 40 and the second connecting member have the same structure, and the first connecting member 40 includes a mounting block 41 and an L-shaped block 42L. The mounting block 41 is fixedly connected to the front end of the first rack 28, and the L-shaped block 42L is connected to the front surface of the mounting block 41. The end of the first rod body 23 close to the support 21 is connected to the L-shaped block 42L.

[0031] In one possible embodiment, the surface of the L-shaped block 42L that connects to the mounting block 41 has an adjustment hole, and the mounting block 41 has a mounting hole that mates with the adjustment hole. Thus, by loosening fasteners (e.g., bolts) passing through the adjustment and mounting holes and then moving the L-shaped plate left or right, the position of the first rod 23 can be adjusted, thereby adjusting the distance between the first rod 23 and the second rod 24 to accommodate opening bags of different sizes.

[0032] In one possible embodiment, the first suction member 25 and the second suction member 26 have the same structure, wherein the first suction member 25 includes a suction nozzle 252 and a mounting rod 251. The mounting rod 251 is detachably connected to the end of the first rod 23 away from the support 21, and the suction nozzle 252 is installed at the lower end of the mounting rod 251. In this way, by installing the suction nozzle 252 at the lower end of the mounting rod 251 and then detachably connecting the mounting rod 251 to the end of the first rod 23 away from the support 21, the suction nozzle 252 is installed on the first rod 23. This simple structure and easy assembly and disassembly facilitate the subsequent replacement of the suction nozzle 252.

[0033] In one possible embodiment, a lifting assembly 30 is further included. The lifting assembly 30 includes a lifting drive 31 and a lifting frame 32. The support 21 is fixed to the lifting frame 32. The lifting drive 31 is connected to the lifting frame 32 and is used to drive the lifting frame 32 to move upward and downward, thereby driving the support 21 to move upward and downward. The lifting drive 31 is fixed to the bracket 10. In other words, when it is necessary to open packaging bags of different sizes, the lifting drive 31 can drive the lifting frame 32 to move upward and downward, thereby driving the support 21 to move upward and downward. After the first suction member 25 and the second suction member 26 are adjusted to the desired position, the lifting drive 31 stops driving. This ensures that it can be used to open packaging bags of different sizes. The structure is simple and the adjustment is convenient. It should be noted that the lifting drive 31 can be a lifting cylinder or a power component that can drive the lifting frame 32 to move upward and downward, and this is not limited to this.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. A bag opening mechanism for a packaging bag, characterized in that: include: Bracket; The bag opening assembly includes a support, a power piece, and a first rod and a second rod arranged side by side. The first rod is provided with a first suction piece at an end away from the support, and the second rod is provided with a second suction piece at an end away from the support. The second suction piece is located directly in front of the first suction piece, and forms an opening space for opening the packaging bag between the second suction piece and the first suction piece. The power piece is used to drive the first rod and the second rod to move in an interlaced manner to open the packaging bag located in the bag opening space.

2. The bag opening mechanism of the packaging bag according to claim 1, characterized in that: The bag opening assembly also includes a rotating tooth, a first rack and a second rack. The rotating tooth is connected to the power piece to drive the rotating tooth to rotate inside the support. A first slideway and a second slideway are arranged side by side inside the support on both sides of the rotating tooth. The first rack is arranged in the first slideway and meshes with the rotating tooth. The second rack is arranged in the second slideway and meshes with the rotating tooth. The first rod body is connected to the front end of the first rack, and the second rod body is connected to the front end of the second rack.

3. The bag opening mechanism of the packaging bag according to claim 2, characterized in that: The power part includes a cylinder and a transmission part, and the transmission part is connected to the rotating tooth through a rotating shaft. The cylinder is located behind the support and connected to the support, and the piston rod of the cylinder is connected to one end of the transmission part, which is used to drive the transmission part to rotate, thereby driving the rotating tooth to rotate.

4. The bag opening mechanism of the packaging bag according to claim 2, characterized in that: It also includes a first connecting member and a second connecting member, the first connecting member is installed at the front end of the first rack and is used to connect to the end of the first rod body close to the support, and the second connecting member is installed at the front end of the second rack and is used to connect to the end of the second rod body close to the support.

5. The bag opening mechanism of the packaging bag according to claim 4, characterized in that: The first connecting member and the second connecting member have the same structure, and the first connecting member includes a mounting block and an L-shaped block, the mounting block is fixedly connected to the front end of the first rack, the L-shaped block is connected to the front surface of the mounting block, and the end of the first rod body close to the support is connected to the L-shaped block.

6. The bag opening mechanism of the packaging bag according to claim 5, characterized in that: An adjustment hole is provided on the surface of the L-shaped block for connecting with the mounting block, and a mounting hole matching the adjustment hole is provided on the mounting block.

7. The bag opening mechanism of the packaging bag according to claim 1, characterized in that: The first suction member and the second suction member have the same structure, wherein the first suction member includes a suction nozzle and a mounting rod, the mounting rod is detachably sleeved on the end of the first rod body away from the support, and the suction nozzle is installed at the lower end of the mounting rod.

8. The bag opening mechanism of the packaging bag according to claim 1, characterized in that: It also includes a lifting component, which includes a lifting drive and a lifting frame. The support is fixed on the lifting frame. The lifting drive is connected to the lifting frame and is used to drive the lifting frame to move up and down to drive the support to move up and down, and the lifting drive is fixed on the bracket.

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