Bag opening arrangement for a food packaging machine

Abstract

The utility model discloses a bag mouth arrangement structure for food packaging machinery, include: conveyer frame, conveyer belt, flow limiting mechanism and bag mouth arrangement mechanism. Flow limiting mechanism includes fixed frame, and the fixed frame is screw -threaded connection has drive screw rod, and the drive screw rod is located conveyer belt top one end rotation connection has the flow guide plate. Bag mouth arrangement mechanism includes the assembly frame, and the top sliding assembly of assembly frame has the arrangement guide board, and the arrangement guide board is rotatably connected with the adjusting lever in, and the outside screw -threaded connection of adjusting lever has the arrangement sliding block of even distribution of multiple groups, and the one side of multiple arrangement sliding blocks is close to the fixed connection of arrangement rod of flow guide plate, and the top of arrangement guide board elevating type assembly has the pre -pressing bottom plate. The utility model discloses a bag mouth arrangement structure for food packaging machinery can carry out bag mouth arrangement to the food packaging bag of conveying through setting bag mouth arrangement mechanism, reduces the situation that bag mouth stacks, improves the quality of heat -sealing of food packaging bag bag mouth subsequently.

Description

Technical Field

[0001] This utility model belongs to the field of food packaging bag opening finishing technology, specifically relating to a bag opening finishing structure for food packaging machinery. Background Technology

[0002] Food packaging machinery refers to a type of mechanical equipment used for packaging food. Common food packaging methods include bag packaging and box packaging. Among them, plastic bag packaging is currently the most common food packaging method, and plastic packaging mainly uses heat sealing for sealing.

[0003] Chinese utility model patent CN218464037U discloses a food packaging bag sealing machine with a sorting function. This application includes a housing with a top opening. A support plate is screwed onto the top side of one side of the housing, and an L-shaped rod is welded to one side of the support plate. An electric cylinder is bolted to one end of the L-shaped rod, and a pressure plate is bolted to the bottom output shaft of the electric cylinder. A PTC ceramic heater is installed on one side surface of the pressure plate through a pre-reserved groove. A servo electric cylinder is bolted to the bottom of the housing, and a lifting plate is bolted to the top output shaft of the servo electric cylinder. This utility model, a food packaging bag sealing machine with a sorting function, can move the sealed packaging bag downwards during heat sealing, allowing other unsealed packaging bags to be placed on top of it. Furthermore, the sealed packaging bags are sequentially positioned within the housing, restrained by the housing to prevent them from becoming scattered, facilitating their subsequent orderly removal by personnel. This machine is suitable for widespread promotion and use.

[0004] The food packaging bag sealing machine in this application lacks a bag opening sorting structure and cannot sort out the bag openings of food packaging bags that are wrinkled during transportation. This makes it easy for bag openings to stack during subsequent heat sealing, which affects the heat sealing tightness and seriously affects the heat sealing quality of food packaging bags.

[0005] Therefore, in response to the above-mentioned technical problems, it is necessary to provide a bag opening sorting structure for food packaging machinery.

[0006] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0007] The purpose of this utility model is to provide a bag opening sorting structure for food packaging machinery, which can sort the bag opening of food packaging bags and improve the heat sealing quality of food packaging bags.

[0008] To achieve the above objectives, a specific embodiment of this utility model provides a bag opening sorting structure for food packaging machinery, including: a conveyor frame, a conveyor belt, a flow guiding and limiting mechanism, and a bag opening sorting mechanism.

[0009] The conveyor frame is equipped with a conveyor belt.

[0010] The flow guiding and limiting mechanism is mounted above the conveyor belt. The flow guiding and limiting mechanism includes a fixed frame, which is fixedly mounted above the conveyor frame. The fixed frame is internally threaded with a drive threaded rod, and the end of the drive threaded rod located above the conveyor belt is rotatably connected to a flow guide plate.

[0011] The bag opening sorting mechanism is fixedly assembled on the side of the conveyor frame away from the fixed frame. The bag opening sorting mechanism includes an assembly frame, which is fixedly connected to the side wall of the conveyor frame. A sorting guide plate is slidably assembled on the top of the assembly frame. An adjusting rod is rotatably connected inside the sorting guide plate. Multiple sets of evenly distributed sorting sliders are threaded to the outside of the adjusting rod. A sorting rod is fixedly connected to the side of each set of sorting sliders that is close to the guide plate. A pre-compression bottom plate is lifted and mounted on the top of the sorting guide plate.

[0012] In one or more embodiments of this utility model, a plurality of conveyor rollers are rotatably mounted inside the conveyor frame, and the conveyor belt is sleeved on the outside of the plurality of conveyor rollers. The plurality of conveyor rollers provide tension support and movement control for the conveyor belt. A conveyor motor is fixedly mounted on one side of the conveyor frame, and the output shaft of the conveyor motor is fixedly connected to a single conveyor roller. The conveyor motor provides power, and by controlling the operation of the conveyor motor, the conveyor rollers are rotated, thereby enabling movement control of the conveyor belt.

[0013] In one or more embodiments of this utility model, a plurality of evenly distributed anti-detachment blocks are fixedly connected to the outer side of the conveyor belt, and the plurality of anti-detachment blocks cooperate with each other to form a bag placement gap. The bag placement gap can be used to limit the conveying of food packaging bags to be processed.

[0014] In one or more embodiments of this utility model, the guide plate is inclined towards the fixed frame on the side close to the feed inlet of the conveyor belt. This allows the guide plate to guide and convey the food packaging bags conveyed on the conveyor belt. A pair of guide rods are slidably inserted into the fixed frame, symmetrically distributed on both sides of the drive threaded rod, and both guide rods are fixedly connected to the guide plate. The sliding cooperation between the guide rods and the fixed frame serves to guide and limit the movement of the guide plate.

[0015] In one or more embodiments of this utility model, a drive handle is fixedly connected to the end of the drive threaded rod away from the guide plate. The drive threaded rod is rotated by controlling the rotation of the drive handle.

[0016] In one or more embodiments of this utility model, a cutting cylinder is fixedly mounted above the assembly frame, and a cylinder piston rod is slidably mounted inside the cutting cylinder. One end of the cylinder piston rod located outside the cutting cylinder is fixedly connected to a sorting guide plate. By controlling the air intake of the cutting cylinder, the extension and retraction states of the cylinder piston rod can be regulated, thereby enabling horizontal movement control of the sorting guide plate.

[0017] In one or more embodiments of this utility model, multiple sets of sorting sliders are arranged in pairs, and the outer side of the adjusting rod is provided with multiple sets of external threads with opposite rotation directions, while the pair of sorting sliders are provided with internal threads with the same rotation direction. This allows the pair of sorting sliders to move in opposite directions as the adjusting rod rotates under the action of the internal and external threads, thereby guiding the opening of the food packaging bag by driving the pair of sorting rods to expand.

[0018] In one or more embodiments of this utility model, an adjusting motor is fixedly mounted on one side of the sorting guide plate, and the output shaft of the adjusting motor is fixedly connected to the adjusting rod. The adjusting motor provides power, and the adjusting rod is rotated by controlling the operation of the adjusting motor.

[0019] In one or more embodiments of this utility model, a lifting cylinder is fixedly connected above the assembly frame, and a lifting piston rod is slidably mounted inside the lifting cylinder. One end of the lifting piston rod located outside the lifting cylinder is fixedly connected. By controlling the air intake state of the lifting cylinder, the extension and retraction states of the lifting piston rod can be regulated, thereby enabling the lifting drive control of the pre-compression base plate.

[0020] In one or more embodiments of this utility model, a pre-compression top plate is fixedly connected to the conveyor frame, and the pre-compression top plate is positioned directly below the lifting piston rod. The clamping of the pre-compression top plate and the pre-compression bottom plate allows for pre-compression of the bag opening of the processed food packaging bag, improving the subsequent heat-sealing effect.

[0021] Compared with the prior art, the bag opening sorting structure for food packaging machinery disclosed in this utility model can sort the bag openings of conveyed food packaging bags by setting a bag opening sorting mechanism, reducing the occurrence of bag opening stacking and improving the quality of subsequent heat sealing of food packaging bag openings. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a perspective view of a bag opening sorting structure for food packaging machinery according to an embodiment of the present invention;

[0024] Figure 2 This is a cross-sectional view of a bag opening sorting structure for food packaging machinery according to an embodiment of the present invention;

[0025] Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle;

[0026] Figure 4 This is a schematic diagram of the bag opening sorting mechanism in one embodiment of the present invention;

[0027] Figure 5 This is a partial structural diagram of the bag opening sorting mechanism in one embodiment of the present invention.

[0028] Explanation of key figure labels:

[0029] 1-Conveyor frame, 101-Conveyor belt, 102-Conveyor roller, 103-Conveyor motor, 104-Anti-detachment block, 2-Guide limiting mechanism, 201-Fixed frame, 202-Drive threaded rod, 203-Guide plate, 204-Guide rod, 205-Drive handle, 3-Bag opening sorting mechanism, 301-Assembly frame, 302-Sorting guide plate, 303-Adjusting rod, 304-Sorting slider, 305-Sorting rod, 306-Pre-compression bottom plate, 307-Insertion cylinder, 308-Cylinder piston rod, 309-Adjusting motor, 310-Lifting cylinder, 311-Lifting piston rod, 312-Pre-compression top plate. Detailed Implementation

[0030] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0031] like Figures 1 to 5As shown, a bag opening sorting structure for food packaging machinery in one embodiment of this utility model includes: a conveyor frame 1, a conveyor belt 101, a flow guiding and limiting mechanism 2, and a bag opening sorting mechanism 3.

[0032] like Figures 1 to 2 As shown, a conveyor belt 101 is installed inside the conveyor frame 1. The conveyor belt 101 supports and transports the food packaging bags to be sealed.

[0033] like Figure 2 As shown, several conveyor rollers 102 are rotatably mounted inside the conveyor frame 1, and the conveyor belt 101 is sleeved on the outside of the conveyor rollers 102. The conveyor rollers 102 provide tension support and movement control for the conveyor belt 101.

[0034] like Figure 1 As shown, a conveyor motor 103 is fixedly mounted on one side of the conveyor frame 1, and the output shaft of the conveyor motor 103 is fixedly connected to a single conveyor roller 102. The conveyor motor 103 provides power, and by controlling the operation of the conveyor motor 103, the conveyor roller 102 is rotated, thereby enabling the movement control of the conveyor belt 101.

[0035] Specifically, the conveyor motor 103 is commercially available and can be purchased and used directly according to needs.

[0036] It is worth noting that the moving distance of the conveyor belt 101 can be controlled by intermittently starting the conveyor motor 103.

[0037] Specifically: the number of guide rods 204 is x sets, the radius of the conveyor roller 102 is r, the rotation speed is n, the bag placement gap is l, and the calculation formula for the intermittent running time t of the conveyor motor 103 is: .

[0038] like Figures 1 to 2 As shown, multiple evenly distributed anti-detachment blocks 104 are fixedly connected to the outer side of the conveyor belt 101, and the multiple anti-detachment blocks 104 cooperate with each other to form a bag placement gap. The bag placement gap can be used to limit the conveying of food packaging bags to be processed.

[0039] like Figure 1 As shown, the flow guiding and limiting mechanism 2 is mounted above the conveyor belt 101. The flow guiding and limiting mechanism 2 includes a fixing frame 201, which is fixedly mounted above the conveyor frame 1. The fixing frame 201 serves to limit the assembly of the drive threaded rod 202 and the guide rod 204.

[0040] like Figure 1As shown, the fixed frame 201 is internally threaded with a drive threaded rod 202. By driving the rotation of the drive threaded rod 202, the guide plate 203 can be driven and controlled, thereby supporting and limiting the food packaging bags conveyed on the conveyor belt 101, thus ensuring that the mouth of the food packaging bag can move horizontally along the pre-compression bottom plate 306 and the pre-compression top plate 312 under the action of the conveyor belt 101.

[0041] like Figure 1 As shown, a guide plate 203 is rotatably connected to one end of the drive threaded rod 202 located above the conveyor belt 101. The guide plate 203 guides and conveys the food packaging bags conveyed on the conveyor belt 101.

[0042] It is worth noting that the guide plate 203 is inclined towards the fixed frame 201 on the side close to the feed port of the conveyor belt 101. This allows the guide plate 203 to guide and convey the food packaging bags conveyed on the conveyor belt 101.

[0043] like Figure 1 As shown, a pair of guide rods 204 are slidably inserted into the fixing frame 201. The pair of guide rods 204 are symmetrically distributed on both sides of the drive threaded rod 202, and both guide rods 204 are fixedly connected to the guide plate 203. The sliding engagement between the guide rods 204 and the fixing frame 201 plays a role in guiding and limiting the movement of the guide plate 203.

[0044] like Figure 1 As shown, a drive handle 205 is fixedly connected to the end of the drive threaded rod 202 away from the guide plate 203. The drive threaded rod 202 is rotated by controlling the rotation of the drive handle 205.

[0045] like Figures 1 to 3 As shown, the bag opening sorting mechanism 3 is fixedly assembled on the side of the conveyor frame 1 away from the fixed frame 201. The bag opening sorting mechanism 3 includes an assembly frame 301, which is fixedly connected to the side wall of the conveyor frame 1. The assembly frame 301 serves to assemble and fix the inserting cylinder 307 and the lifting cylinder 310.

[0046] like Figures 2 to 4 As shown, a sorting guide plate 302 is slidably mounted on top of the assembly frame 301. The sorting guide plate 302 serves as a limit for the assembly of the adjusting rod 303. At the same time, the sorting guide plate 302 can be used to limit the assembly and control the horizontal movement of multiple sets of sorting sliders 304. By driving the sorting guide plate 302 to slide, multiple sets of sorting sliders 304 and sorting rods 305 are moved synchronously, providing a basis for the subsequent process of the sorting rods 305 opening to sort the opening of the food packaging bag.

[0047] like Figures 1 to 4As shown, a cutting cylinder 307 is fixedly mounted above the assembly frame 301. A cylinder piston rod 308 is slidably mounted inside the cutting cylinder 307. One end of the cylinder piston rod 308 located outside the cutting cylinder 307 is fixedly connected to the sorting guide plate 302. By controlling the air intake of the cutting cylinder 307, the extension and retraction states of the cylinder piston rod 308 can be adjusted, thereby controlling the horizontal movement of the sorting guide plate 302.

[0048] like Figure 5 As shown, an adjusting rod 303 is rotatably connected inside the sorting guide plate 302. The adjusting rod 303 serves to limit the assembly and control the movement of the sorting slider 304.

[0049] like Figure 5 As shown, an adjusting motor 309 is fixedly mounted on one side of the guide plate 302, and the output shaft of the adjusting motor 309 is fixedly connected to the adjusting rod 303. The adjusting motor 309 provides power, and the operation of the adjusting motor 309 is controlled to drive the adjusting rod 303 to rotate.

[0050] Specifically, the regulating motor 309 is commercially available and can be purchased and used as needed.

[0051] like Figure 5 As shown, the outer side of the adjusting rod 303 is threaded with multiple sets of evenly distributed tidying sliders 304. The tidying sliders 304 serve to assemble, fix, and control the movement of the tidying rod 305.

[0052] It is worth noting that multiple sets of sorting sliders 304 are arranged in pairs, and the outer side of the adjusting rod 303 has multiple sets of external threads with opposite rotation directions, while the pair of sorting sliders 304 has internal threads with the same rotation direction. This allows the pair of sorting sliders 304 to move in opposite directions as the adjusting rod 303 rotates under the action of the internal and external threads, thereby guiding the opening of the food packaging bag by driving the pair of sorting rods 305 to expand.

[0053] like Figures 4 to 5 As shown, each of the multiple sets of sorting sliders 304 has a sorting rod 305 fixedly connected to one side of the sliders close to the guide plate 203. By controlling the expansion of the sorting rods 305, the opening of the food packaging bag can be opened and sorted.

[0054] like Figures 2 to 4 As shown, a pre-compression bottom plate 306 is mounted on top of the sorting guide plate 302 in a lifting manner. The pre-compression bottom plate 306 and the pre-compression top plate 312 can be used to pre-compress the opening of the food packaging bag.

[0055] like Figures 2 to 3As shown, a lifting cylinder 310 is fixedly connected above the assembly frame 301. A lifting piston rod 311 is slidably mounted inside the lifting cylinder 310. One end of the lifting piston rod 311 located outside the lifting cylinder 310 is fixedly connected to the pre-compression base plate 306. By controlling the air intake state of the lifting cylinder 310, the extension and retraction states of the lifting piston rod 311 can be adjusted, thereby enabling the lifting drive control of the pre-compression base plate 306.

[0056] like Figures 2 to 4 As shown, a pre-compression top plate 312 is fixedly connected to the conveyor frame 1, and the pre-compression top plate 312 is located directly below the lifting piston rod 311. By clamping the pre-compression top plate 312 and the pre-compression bottom plate 306, the opening of the sorted food packaging bag can be pre-compressed, which improves the effect of subsequent heat sealing of the opening of the food packaging bag.

[0057] In addition, a PTC ceramic heater is installed at the discharge port of the conveyor frame 1. A lifting plate is mounted above the PTC ceramic heater, and a servo cylinder is fixedly connected above the lifting plate. The lifting shaft of the servo cylinder is fixedly connected to the lifting plate. By driving the lifting plate to move through the servo cylinder, the lifting plate and the PTC ceramic heater work together to heat seal the opening of the food packaging bag.

[0058] In practical use, food packaging bags containing food can be placed in the bag placement gaps on the conveyor belt 101. By controlling the operation of the conveyor motor 103, the conveyor roller 102 is driven to rotate, and the conveyor belt 101 can move the food packaging bags under the action of the conveyor roller 102. During the conveying process of the conveyor belt 101, the food packaging bags can be guided and conveyed by the guide plate 203.

[0059] In addition, the drive screw rod 202 can be driven to rotate by controlling the drive handle 205 to rotate according to the actual size of the food packaging bag. The guide plate 203 can move synchronously with the movement of the drive screw rod 202. The movement of the guide plate 203 can guide and transport food packaging bags of different sizes.

[0060] When the food packaging bag moves to the position of the sorting guide plate 302, the piston rod 308 can be extended by supplying compressed gas into the insertion cylinder 307. This causes multiple sorting rods 305 to move into the food packaging bag along with the sorting guide plate 302. Then, the adjusting rod 303 is rotated by controlling the operation of the adjusting motor 309. A pair of sorting sliders 304 can drive a pair of sorting rods 305 to expand under the action of internal and external threads. The expansion of the pair of sorting rods 305 can open and sort the opening of the food packaging bag. After sorting, the sorting guide plate 302 can be reset by controlling the retraction of the piston rod 308. Subsequently, the lifting piston rod 311 can be lowered by controlling the intake of air into the lifting cylinder 310, so that the pre-compression top plate 312 and the pre-compression bottom plate 306 can be pressed together to pre-compress the opening of the food packaging bag.

[0061] After pre-compression, the food packaging bag can be moved between the PTC ceramic heater and the lifting plate by the action of the conveyor belt 101. The lifting plate and the PTC ceramic heater work together to heat seal the mouth of the food packaging bag.

[0062] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0063] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A bag opening sorting structure for food packaging machinery, characterized in that, include: A conveyor frame, wherein a conveyor belt is installed inside the conveyor frame; A flow guiding and limiting mechanism is assembled above the conveyor belt. The flow guiding and limiting mechanism includes a fixed frame, which is fixedly assembled above the conveyor frame. A drive threaded rod is internally threaded to the fixed frame, and a flow guide plate is rotatably connected to one end of the drive threaded rod located above the conveyor belt. A bag opening sorting mechanism is fixedly assembled on the side of the conveyor frame away from the fixed frame. The bag opening sorting mechanism includes an assembly frame, which is fixedly connected to the side wall of the conveyor frame. A sorting guide plate is slidably assembled on the top of the assembly frame. An adjusting rod is rotatably connected inside the sorting guide plate. Multiple sets of evenly distributed sorting sliders are threaded to the outside of the adjusting rod. A sorting rod is fixedly connected to the side of each set of sorting sliders that is close to the guide plate. A pre-compression bottom plate is lifted and mounted on the top of the sorting guide plate.

2. The bag opening sorting structure for food packaging machinery according to claim 1, characterized in that, The conveyor frame is rotatably equipped with several conveyor rollers, and the conveyor belt is sleeved on the outside of the several conveyor rollers. A conveyor motor is fixedly installed on one side of the conveyor frame, and the output shaft of the conveyor motor is fixedly connected to a single conveyor roller.

3. The bag opening finishing structure for food packaging machinery according to claim 2, characterized in that, Multiple evenly distributed anti-detachment blocks are fixedly connected to the outer side of the conveyor belt, and the multiple anti-detachment blocks cooperate with each other to form a bag placement gap.

4. The bag opening sorting structure for food packaging machinery according to claim 1, characterized in that, The guide plate is inclined towards the fixed frame on the side close to the feed port of the conveyor belt. A pair of guide rods are slidably inserted into the fixed frame. The pair of guide rods are symmetrically distributed on both sides of the drive threaded rod, and both of the guide rods are fixedly connected to the guide plate.

5. The bag opening finishing structure for food packaging machinery according to claim 4, characterized in that, The drive screw rod is fixedly connected to a drive handle at the end away from the guide plate.

6. The bag opening finishing structure for food packaging machinery according to claim 1, characterized in that, A cutting cylinder is fixedly mounted on the top of the assembly frame. A cylinder piston rod is slidably mounted inside the cutting cylinder. One end of the cylinder piston rod located outside the cutting cylinder is fixedly connected to the sorting guide plate.

7. The bag opening finishing structure for food packaging machinery according to claim 6, characterized in that, Multiple sets of sorting sliders are arranged in pairs, and multiple sets of external threads with opposite rotation directions are opened on the outer side of the adjusting rod. A pair of sorting sliders are provided with internal threads with the same rotation direction.

8. The bag opening finishing structure for food packaging machinery according to claim 7, characterized in that, An adjusting motor is fixedly mounted on one side of the sorting guide plate, and the output shaft of the adjusting motor is fixedly connected to the adjusting rod.

9. The bag opening finishing structure for food packaging machinery according to claim 8, characterized in that, A lifting cylinder is fixedly connected to the top of the assembly frame. A lifting piston rod is slidably assembled inside the lifting cylinder. One end of the lifting piston rod located outside the lifting cylinder is fixedly connected to the pre-compression base plate.

10. The bag opening finishing structure for food packaging machinery according to claim 9, characterized in that, A pre-compression top plate is fixedly connected to the conveyor frame, and the pre-compression top plate is positioned directly below the lifting piston rod.

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