A canning mechanism for bagged items

Abstract

The present invention relates to a bagged article canning mechanism, comprising a frame and a bag conveyor belt mounted on the frame, a bag pushing mechanism, a shaping assembly, a bag poking mechanism and a can conveyor belt; the bag pushing mechanism pushes the bagged article from the conveyor belt into the shaping cylinder, shapes and flips it to a vertical angle, and then pokes the bagged article into the can, so as to achieve the purpose of secondary canning. The present invention has the characteristics of ingenious conception, reasonable design, simple process, reliable action and high efficiency; with the help of the design of the shaping cylinder, it is ensured that the bagged article can be smoothly and tightly loaded into the hard can, which is particularly suitable for products such as tea packaged in soft bags, so as to achieve the need for secondary canning, reduce labor and improve efficiency.

Description

Technical field:

[0001] The invention belongs to the field of packaging mechanisms, and in particular relates to a canning mechanism for bagged articles. Background technology:

[0002] The existing can packaging is a hard packaging, which has a good protective effect on the packaged objects; and most of the items are also packaged in soft bags before being put into the can, which can not only achieve better sealing performance, but also form an organic isolation effect with the can body. At present, most bagged items are manually loaded into the outer packaging can, which requires both shaping the bagged items and pushing them into the can body. This process is inefficient. For this reason, the industry has conceived a solution to use mechanical equipment to complete the secondary packaging, such as:

[0003] CN201420280109.0 discloses a box-pushing and bag-feeding mechanism of an automatic tea bag making machine, including a bag-making machine mounting plate, a small bag storage mechanism is arranged on the bag-making machine mounting plate, and a box-pushing mechanism and a transverse sealing and film-drawing mechanism are respectively arranged on the small bag storage mechanism, a box-feeding mechanism is arranged at one end of the box-pushing mechanism, and the box-feeding mechanism is connected with the transverse sealing and film-drawing mechanism, a longitudinal sealing mechanism and a square unloading cylinder are arranged between the transverse sealing and film-drawing mechanism and the box-pushing mechanism, a film-releasing mechanism is arranged at the lower end of the belt-making machine mounting plate, and a collar former is arranged between the film-releasing mechanism and the box-pushing mechanism; the box-pushing mechanism includes a box-pushing cylinder, a material-pushing box is arranged at the lower end of the box-pushing cylinder, and the height of the material-pushing box is equal to that of the small bag storage slot; the bag-feeding mechanism includes a box-pushing cylinder, a push block is arranged on the box-pushing cylinder, and shaping grooves are arranged at the upper and lower ends of the push block, and the push block is smaller than the height of the push box. Its main task is to pack film bagged objects into boxes.

[0004] The automatic canning mechanism for putting bagged articles into cans becomes the research object of the present invention. Summary of the invention:

[0005] The purpose of the present invention is to design a bagged article canning mechanism which can push bagged articles into a packaging can body to realize secondary packaging.

[0006] The technical solution of the present invention is implemented as follows: a bagged article canning mechanism comprises a frame and a bag conveyor belt mounted on the frame, a bag pushing mechanism, a shaping assembly, a bag poking mechanism and a can conveyor belt; the characteristics are:

[0007] The bag pushing mechanism comprises a bag pushing track, a bag pushing rod and a bag pushing motor; the bag pushing track is arranged on the frame perpendicular to the bag conveyor belt, and the bag pushing rod is driven by the bag pushing motor to reciprocate along the bag pushing track to push the bagged articles on the bag conveyor belt into the shaping assembly;

[0008] The shaping assembly includes a shaping cylinder, a negative pressure cover and a vibration frame, wherein the shaping cylinder and the negative pressure cover are distributed along the axis direction of the bag pushing rod; the shaping cylinder has a bell mouth at one end facing the bag pushing rod, and the negative pressure cover is arranged at the rear end of the shaping cylinder, and can seal the rear port of the shaping cylinder and a travel space away from the rear port under the drive of the negative pressure cylinder; the shaping cylinder is positioned on the vibration frame through a rotating cylinder, and can switch between horizontal and vertical states under the drive of the rotating cylinder; the vibration frame is positioned on the table of the frame through the vibration cylinder, and the vibration cylinder can drive the vibration frame and the shaping cylinder to shake up and down;

[0009] The bag-poking mechanism comprises a bag-poking rod and a bag-poking cylinder, which are vertically arranged on the table of the frame and are located directly above the vertical shaping cylinder; the bag-poking rod can enter the shaping cylinder and push the bagged items downward when driven by the bag-poking cylinder; the can conveyor belt is arranged below the shaping assembly, and a can-pushing clamp is arranged in the positive projection area of ​​the shaping cylinder in the vertical state. The can-pushing clamp is a pair, symmetrically distributed on both sides of the can conveyor belt, and driven by their own can-pushing cylinders, so as to clamp the cans on the can conveyor belt and be located directly below the vertical shaping cylinder.

[0010] The bag conveyor belt is a stepping belt, and is provided with partitions on its upper surface with a spacing equivalent to the width of the bagged articles.

[0011] A guide groove is also arranged in front of the bell mouth of the shaping tube. The guide groove is in a cone shape and gradually narrows toward the connecting end of the shaping tube. The spacing at the narrowest point is equivalent to the diameter of the bell mouth of the shaping tube.

[0012] A movable material baffle plate is also provided at the rear end of the shaping cylinder. The adjacent surface of the material baffle plate and the shaping cylinder is an arc surface. The arc radius of the arc surface is equivalent to the rotation radius of the shaping cylinder. When the shaping cylinder rotates in the vertical direction, the arc surface is always protected at the rear port of the shaping cylinder; the material baffle plate is driven by the material baffle cylinder, reciprocates in the travel space of the negative pressure cover, and alternately enters the rear end space of the shaping cylinder with the negative pressure cover.

[0013] A connecting funnel is also vertically arranged on the table of the frame, the diameter of which is equivalent to the diameter of the tank body, and connects the shaping cylinder and the tank body in a vertical state.

[0014] The end of the bag pushing rod in the bag pushing mechanism and the end of the bag poking rod in the bag poking mechanism are both provided with thrust sensing heads, which include a substrate, a thrust sensor and a buffer plate, the thrust sensor is arranged on the substrate and points to one side of the buffer plate; a column spring is arranged between the buffer plate and the substrate; the thrust sensing head is locked to the end of the bag pushing rod and the end of the bag poking rod by means of the substrate.

[0015] The tank conveyor belt and the bag conveyor belt are vertically distributed, and the tank conveyor belt is located below the bag pushing track.

[0016] The present invention has the characteristics of ingenious conception, reasonable design, simple process, reliable action and high efficiency. With the help of the design of the shaping cylinder, it ensures that the bagged items can be smoothly and tightly loaded into the hard can body, which is especially suitable for products such as tea packaged in soft bags, realizes the need for secondary canning, reduces labor and improves efficiency. Description of the drawings:

[0017] The present invention will be further described below in conjunction with specific illustrations:

[0018] Figure 1 Schematic diagram of canning mechanism for bagged items

[0019] Figure 2 for Figure 1 A partial enlarged schematic diagram

[0020] Figure 3 Schematic diagram of top view of canning mechanism for bagged items

[0021] Figure 4 Schematic diagram of the first state of the shaping assembly

[0022] Figure 5 Schematic diagram of the second state of the shaping assembly

[0023] Figure 6 Schematic diagram of the rear end of the first state of the shaping assembly

[0024] Figure 7 Schematic diagram of the bag-poking mechanism

[0025] in

[0026] 1-frame 11-table 12-high frame 121-guide sleeve

[0027] 13—connection funnel 2—bag conveyor belt 21—gap 3—bag pushing mechanism

[0028] 31 - bag pushing track 32 - bag pushing rod 33 - bag pushing motor 4 - shaping assembly

[0029] 41—shaping cylinder 411—bell mouth 412—rotating cylinder 413—vibration frame

[0030] 414—vibration cylinder 42—negative pressure cover 421—negative pressure cylinder 43—guide groove

[0031] 44—Blocking plate 441—Circular arc surface 442—Blocking cylinder 5—Bag poking mechanism

[0032] 51 - bag poking rod 52 - bag poking cylinder 53 - guide rod 6 - tank conveyor belt

[0033] 61—can pusher clamp 62—can pusher cylinder 7—thrust sensor head 71—base plate

[0034] 72 - thrust sensor 73 - buffer plate 74 - column spring 75 - guide bolt

[0035] 8—Bagged goods 9—Cans Specific implementation method:

[0036] Reference Figures 1 to 7 The bagged article canning mechanism comprises a frame 1, a bag conveyor belt 2, a bag pushing mechanism 3, a shaping assembly 4, a bag poking mechanism 5 and a can conveyor belt 6. The frame 1 is used to support various functional modules to form an organic spatial distribution.

[0037] The bag conveyor belt 2 is a stepping belt, and the running gap is coordinated with the actions of other modules; on the upper surface of the bag conveyor belt 2, there are partitions 21 with a spacing equivalent to the width of the bagged articles 8, so that the bagged articles can be placed in a more accurate position.

[0038] The bag pushing mechanism 3 includes a bag pushing track 31, a bag pushing rod 32 and a bag pushing motor 33; the bag pushing track 31 is arranged on the frame 1 perpendicular to the bag conveyor belt 2, that is, it can push the bagged items 8 away from the bag conveyor belt laterally; the bag pushing rod 32 is driven by the bag pushing motor 33 to reciprocate along the bag pushing track 31, and push the bagged items on the bag conveyor belt 1 into the shaping assembly 4; the bag pushing motor 33 adopts a servo motor or a stepping motor, which can not only meet the long-stroke pushing, but also can control the feeding speed in real time, and the response is sensitive and accurate.

[0039] The shaping assembly 4 includes a shaping cylinder 41, a negative pressure cover 42 and a vibration frame 43. The shaping cylinder 41 and the negative pressure cover 42 are distributed along the axis direction of the bag pushing rod 32 to receive the bagged articles pushed over; the shaping cylinder 41 has a bell mouth 411 at one end facing the bag pushing rod, and the negative pressure cover 42 is arranged at the rear end of the shaping cylinder, and can seal the rear port of the shaping cylinder 41 and a travel space away from the rear port under the drive of the negative pressure cylinder 421. The negative pressure cover 42 is connected to a vacuum pump or a vacuum chamber, and after sealing the rear port of the shaping cylinder 41, the negative pressure valve is opened to generate negative pressure at the rear end of the shaping cylinder, sucking in the bagged articles, and working in cooperation with the bag pushing rod 32 to reduce the damage to the articles caused by hard pushing.

[0040] Furthermore, a guide groove 43 is provided in front of the bell mouth 411 of the shaping cylinder. The guide groove 43 is tapered and gradually narrows toward the end of the shaping cylinder 41. The narrowest distance is equivalent to the diameter of the bell mouth 411 of the shaping cylinder. For example, when processing relatively bulky bagged items, such as bagged tea, the shape is quite different from the can body, and it is necessary to pre-shape with the help of the guide groove 43 and then make it round through the bell mouth 411. Of course, this problem can also be solved by extending the bell mouth, but it will increase useless space.

[0041] The shaping cylinder 41 is positioned on the vibration frame 413 through a rotating cylinder 412, and can be switched between horizontal and vertical states under the drive of the rotating cylinder 412. Figure 4 and Figure 5 That is, it can receive the bagged articles horizontally and shape them, and can drop the shaped bagged articles downwards in a vertical state by virtue of its own weight and driving force; the vibration frame 413 is positioned on the table 11 of the frame through the vibration cylinder 414. In this example, the vibration cylinder 414 is locked on the bottom surface of the table 11, and the vibration frame 413 passes through the through hole provided in the table 11. The vibration cylinder 414 drives the vibration frame 413 and the shaping cylinder 41 to shake up and down to achieve the needs of shaping and shaking off; the vibration cylinder 414 is installed on the bottom surface of the table, which can save the space of the table 11, and the structure of being directly installed on the table is not excluded.

[0042] Furthermore, a movable material blocking plate 44 is also provided at the rear end of the shaping cylinder 41. The adjacent surface of the material blocking plate 44 and the shaping cylinder 41 is an arc surface 441. The arc radius of the arc surface 441 is equivalent to the rotation radius of the shaping cylinder 41. When the shaping cylinder 41 rotates in the vertical direction, the arc surface 441 is always protected at the rear port of the shaping cylinder to prevent the bagged items, especially the bags with smaller diameters, from accidentally slipping and getting stuck due to low friction, as an additional protection; the material blocking plate 44 is driven by the material blocking cylinder 442, reciprocating in the travel space of the negative pressure cover 42, and alternately enters the rear end space of the shaping cylinder 41 with the negative pressure cover 42. That is, the negative pressure cover 42 is responsible for the task of the barrel entry stage, and the material blocking plate 44 protects the discharging process. The driving directions of the material blocking cylinder 442 and the negative pressure cylinder 421 are perpendicular to each other and fixed on the table 11.

[0043] The bag-poking mechanism 5 includes a bag-poking rod 51 and a bag-poking cylinder 52, which are vertically arranged on the table 11 of the frame and are located directly above the shaping cylinder 41 in a vertical state; the bag-poking rod 51 can enter the shaping cylinder 41 under the drive of the bag-poking cylinder 52, and push the bagged articles 8 downward, that is, push them into the tank body 9; more specifically, the bag-poking cylinder 52 is locked on the high-rise frame 12 built on the table 11, leaving the shaping cylinder 41 with a rotation height. In order to maintain the stability of the long stroke of the bag-poking cylinder 52, a guide rod 53 is arranged in parallel on one side of the bag-poking cylinder 52, and a guide sleeve 121 is arranged on the high-rise frame 12. The guide rod 53 passes through the guide sleeve 121 to ensure the accuracy of straight up and straight down. More specifically, the bag-poking rod 51 can directly use a piston rod, and the thrust sensor head 7 is directly locked at the end of the piston rod.

[0044] The can conveyor belt 6 is arranged below the shaping assembly 4. In the positive projection area of ​​the shaping cylinder 41 in the vertical state, a can push clamp 61 is arranged. The can push clamp 61 is a pair, symmetrically distributed on both sides of the can conveyor belt 6, and driven by respective can push cylinders 62. The can push clamp 61 can clamp the can 9 on the can conveyor belt and is directly below the shaping cylinder 41 in the vertical state. The can push clamp 61 has the dual functions of clamping and adjusting the center of the can. Furthermore, the can conveyor belt 6 is vertically distributed with the bag conveyor belt 2, and the can conveyor belt 6 is directly below the bag push track 31, so as to reduce the occupied ground position.

[0045] Reference Figure 1 , Figure 2 and Figure 7 In order to avoid excessive force in pushing and poking the bag, or in other words, the push rod has the ability to sense and adjust and judge the size of the thrust to avoid piercing the packaging bag due to excessive force, a thrust sensing head 7 is provided at the end of the bag pushing rod 32 in the bag pushing mechanism and the end of the bag poking rod 51 in the bag poking mechanism. The thrust sensing head 7 includes a substrate 71, a thrust sensor 72 and a buffer plate 73. The thrust sensor 72 is arranged on the substrate 71 and points to the side of the buffer plate 73; a column spring 74 is arranged between the buffer plate 73 and the substrate 71. Furthermore, a guide bolt 75 is also arranged in the column spring. The guide bolt 75 passes through the substrate 71 and the end is locked on the buffer plate 73. When subjected to force, the buffer plate 73 is kept parallel to the substrate 71, which not only keeps the thrust stable and balanced, but also ensures that the thrust sensor 72 senses accurately; the thrust sensing head 72 is locked at the end of the bag pushing rod 32 and the end of the bag poking rod 51 with the help of the substrate 71. Furthermore, the shape of the buffer plate 73 is related to the shape of the bag body. It is rectangular at the front end of the bag pushing rod 32, similar to the shape of the bagged items; and circular at the front end of the bag poking rod 51, similar to the caliber of the can body 9, so as to contact the bag body with the maximum area, reduce local force and damage the items inside.

[0046] In addition, a connecting funnel 13 is vertically arranged on the table 11 of the frame. The diameter of the connecting funnel 13 is equivalent to the diameter of the tank body 9, and connects the vertical shaping cylinder 41 and the tank body 9, so that a reasonable operating distance can be maintained between the table 11 and the tank body 9.

[0047] The above-mentioned necessary equipment for secondary canning of bagged items is coordinated and completed by the electronic control part, such as through the PLC control module, which controls according to the program and the information fed back by the sensor to achieve automatic control, fault diagnosis and alarm, etc., which are all conventional technologies.

Claims

1. A bagged article canning mechanism, comprising a frame and a bag conveyor belt mounted on the frame, a bag pushing mechanism, a shaping assembly, a bag poking mechanism and a can conveyor belt; Features: The bag pushing mechanism comprises a bag pushing track, a bag pushing rod and a bag pushing motor; the bag pushing track is arranged on the frame perpendicular to the bag conveyor belt, and the bag pushing rod is driven by the bag pushing motor to reciprocate along the bag pushing track to push the bagged articles on the bag conveyor belt into the shaping assembly; The shaping assembly includes a shaping cylinder, a negative pressure cover and a vibration frame, wherein the shaping cylinder and the negative pressure cover are distributed along the axis direction of the bag pushing rod; The shaping cylinder has a bell mouth at one end facing the bag pushing rod, and the negative pressure cover is arranged at the rear end of the shaping cylinder, and can seal the rear port of the shaping cylinder and a travel space away from the rear port under the drive of the negative pressure cylinder; the shaping cylinder is positioned on the vibration frame through a rotating cylinder, and can switch between horizontal and vertical states under the drive of the rotating cylinder; The vibration frame is positioned on the table of the frame through a vibration cylinder, and the vibration cylinder can drive the vibration frame and the shaping cylinder to vibrate up and down; The bag-poking mechanism, including the bag-poking rod and the bag-poking cylinder, is vertically arranged on the table of the frame and is located directly above the shaping cylinder in a vertical state; The bag-poking rod can enter the shaping cylinder under the driving of the bag-poking cylinder and push the bagged items downward; The can conveyor belt is arranged below the shaping assembly. In the positive projection area of ​​the shaping cylinder in a vertical state, a can pushing clamp is arranged. The can pushing clamp is a pair and is symmetrically distributed on both sides of the can conveyor belt. The can pushing clamps are driven by respective can pushing cylinders and can clamp the cans on the can conveyor belt and place them directly below the shaping cylinder in a vertical state.

2. A bagged article canning mechanism according to claim 1, Features: The bag conveyor belt is a stepping belt, and is provided with partitions on its upper surface with a spacing equivalent to the width of the bagged articles.

3. A bagged article canning mechanism according to claim 1, Features: A guide groove is also provided in front of the bell mouth of the shaping tube. The guide groove is in a cone shape and gradually narrows toward the connecting end of the shaping tube. The spacing at the narrowest point is equivalent to the diameter of the bell mouth of the shaping tube.

4. A bagged article canning mechanism according to claim 1 or 3, Features: A movable material baffle plate is also provided at the rear end of the shaping cylinder. The adjacent surface of the material baffle plate and the shaping cylinder is an arc surface. The arc radius of the arc surface is equivalent to the rotation radius of the shaping cylinder. When the shaping cylinder rotates in the vertical direction, the arc surface is always protected at the rear port of the shaping cylinder; the material baffle plate is driven by the material baffle cylinder, reciprocates in the stroke space of the negative pressure cover, and alternately enters the rear end space of the shaping cylinder with the negative pressure cover.

5. A bagged article canning mechanism according to claim 1 or 3, Features: A connecting funnel is also vertically arranged on the table of the frame. The diameter of the connecting funnel is equivalent to the diameter of the tank body and is connected with the shaping cylinder and the tank body in a vertical state.

6. A bagged article canning mechanism according to claim 1, Features: The end of the bag pushing rod in the bag pushing mechanism and the end of the bag poking rod in the bag poking mechanism are both provided with thrust sensing heads, which include a substrate, a thrust sensor and a buffer plate. The thrust sensor is arranged on the substrate and points to one side of the buffer plate. A column spring is arranged between the buffer plate and the substrate. The thrust sensing head is locked to the end of the bag pushing rod and the end of the bag poking rod by means of the substrate.

7. A bagged article canning mechanism according to claim 1, Features: The tank conveyor belt and the bag conveyor belt are vertically distributed, and the tank conveyor belt is located below the bag pushing track.

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