CN111483642A - Packaging device for pop-top can cover body - Google Patents

Abstract

The utility model provides a zip-top can lid packing apparatus which characterized in that: the device comprises a rack (1) and a cover body track (2), wherein one section of the cover body track (2) is used as a cover pushing and bagging section (21), one end of the cover pushing and bagging section (21) is used as a packaging bag supply position (211), and the other end of the cover pushing and bagging section is used as a cover body bag inlet position (212); a packaging bag positioning and opening component (3) is arranged at the packaging bag supply position (211); a bag grabbing component (4) is connected between the cover body bag entering position (212) and the packaging bag supply position (211) in a sliding mode, when the bag grabbing component (4) is located at the packaging bag supply position (211), the first opening supporting piece (41) can extend into an opening of the packaging bag (00), and the bag pressing block (42) and the first opening supporting piece (41) are matched to clamp the edge of one side of the opening of the packaging bag (00); a bag opening supporting component (5) is arranged at the bag entering position (212) of the cover body; the packaging device for the pop can cover further comprises a cover body pushing mechanism (6).

Description

Can lid packing device

technical field

The invention belongs to the field of packaging equipment, and in particular relates to a packaging device for the lid body of a pop-open can.

Background technique

In the production of can lids, metal materials are first punched into basic lids by a basic lid punch, then rolled by a crimping machine and injected by a glue injection machine, and then dried by a dryer. Then, these lids are assembled again. The punch is further formed and the pull ring is riveted on the cover body.

For the convenience of storage and transportation, the lids of the pop-top cans are packed during storage or transportation, which requires a packing device for packing the lids of the pop-top cans into the packaging bag. The packaging bag is generally made of paper, and has a long cylindrical shape with one end open, as shown in Figure 14. Therefore, the so-called packaging is to put the can lid into the bag from the opening of one end of the packaging bag, and then glue and seal the open end. .

In foreign countries, there are reports of some packaging equipment for can lids, but most of them only realize a certain automation of the packaging process, and the whole machine is also complicated.

SUMMARY OF THE INVENTION

The invention provides a packaging device for the lid body of a pop-open can, the purpose of which is to push the lid body into a packaging bag for packaging, and the action process is precise and smooth.

In order to achieve the above purpose, the technical scheme adopted in the present invention is: a packaging device for can lids, comprising a frame and a lid rail for conveying the stacked lids arranged on the frame, and a section on the lid rail is As a push-lid bagging section, one end of the push-lid bagging section is used as a supply position for the packaging bag, and the other end is used as a cover-into-bag position;

The packaging bag supply position is provided with a packaging bag positioning and mouth opening assembly, and the packaging bag positioning and mouth opening assembly can place the packaging bag on the packaging bag supply position and maintain the opening state;

A bag grab assembly is slidably connected between the cover body entering position and the packaging bag supply position, and the grab bag assembly is driven by a grab bag translation drive mechanism to move between the cover body entering position and the packaging bag supply position ; The bag grasping assembly includes a first opening piece and a bag pressing block, the bag pressing block is arranged opposite to the first opening piece, and the bag pressing block is driven by the bag pressing block driving mechanism and can approach or be away from the first opening so that the bag pressing block cooperates with the first mouth supporting member to have a clamping effect; when the bag gripping assembly is located at the supply position of the packaging bag, the first mouth supporting member can extend into the opening of the packaging bag, and the bag pressing block and the first mouth supporting member can reach the opening of the packaging bag. The mouth piece cooperates to clamp one side edge of the opening of the packaging bag; when the bag gripping assembly is located at the position where the cover body enters the bag, the first mouth opening member can open and hold the mouth of the packaging bag;

The can lid packing device further includes a lid pushing mechanism, which can push the lid through the first opening member into the packaging bag at the pushing lid bagging section.

In the above solution, at least one second opening is also provided at the opening of the packaging bag at the position where the cover is inserted into the bag. It is inserted into the opening of the packaging bag, and cooperates with the first opening member to open and hold the opening of the packaging bag; the first opening member is an arc-shaped plate-shaped body, and the second opening member is also an arc The first mouth piece and the second mouth piece are oppositely arranged with their arc concave surfaces.

In the above solution, the bag grabbing assembly further includes at least one second opening member, the second opening member moves with the first opening member, and when the bag grabbing assembly is located at the supply position of the packaging bag, the second opening member can Extend into the opening of the packaging bag together with the first opening piece; when the bag grab assembly is located at the position where the cover body enters the bag, the second opening piece can work together with the first opening piece to open the mouth of the packaging bag And kept.

In the above solution, there is also a packaging bag rear-end limiting assembly at the position of the packaging bag supply position on the lid-push bag-filling section, and the packaging bag rear-end limiting assembly is driven by the packaging bag rear-end limit block and the limit block. Mechanism, the limit block at the rear end of the packaging bag can be moved up and down relative to the frame under the drive of the limit block drive mechanism; when the cover body enters the packaging bag of the push-lid bagging section along the cover body track, the rear end of the packaging bag is limited When the block is in a descending state, it blocks and locates the rear end of the packaging bag. In practice, the rear end limiting component of the packaging bag may not be provided, and by controlling the distance of pushing the cover body into the bag by the pushing mechanism, it can be ensured that the bag is not pushed too much and the packaging bag is not broken.

In the above solution, the bag-pressing block driving mechanism includes a swing rod, a touch-fit block, and a touch-fit block drive device; the swing rod is hingedly arranged relative to the first mouth support piece, and one end of the swing rod is connected to the bag-pressing block. Positioning connection, the other end of which is used as a touch end; an elastic element acts on the swing rod, so that the bag pressing block is kept in a clamping state matched with the first mouth piece; the touch and fit block corresponds to the touch of the swing rod The touch end is arranged at the supply position of the packaging bag, and the touch and match block has two working positions driven by the touch and match block driving device. The contact of the matching block makes the bag pressing block descend and release, and when the touching and matching block is in another working position, the touching end of the swing rod is released, so that the bag pressing block returns to the clamping state. The above is a preferred example of the bag-pressing block driving mechanism. In practice, an actuator can also be directly used to drive the action of the bag-pressing block, but the actuator needs to move with the bag gripping assembly.

In the above solution, a folded bag assembly is further provided at the position where the lid body enters the bag on the lid pushing and bagging section. The clamping driving mechanism is driven to swing by a rotating driving mechanism, and the clamping driving mechanism is provided with two clamping parts; The roots of the bag folding rod and the bottom folding rod are fixed on the two clamping parts of the clamping driving mechanism, and the clamping driving mechanism drives the upper folding rod and the lower folding rod origami rod to separate, so as to fold up An opening is formed between the bag rod and the lower folded bag rod; and a press cover is provided on the bottom folded bag rod, and the press cover is provided with an arc-shaped pressing surface matched with the circumferential surface of the packaging bag, and the arc The shape pressing surface is extended along the axial direction of the packaging bag; in the working state, the open end of the packaging bag is disposed in the opening between the upper folding bag rod and the lower folding bag rod, and the clamping driving mechanism drives the The upper folding bag rod and the lower folding bag rod clamp the open end of the packaging bag, and the rotary drive mechanism drives the upper folding bag rod and the lower folding bag rod to turn over 180°, so that the arc-shaped pressing surface of the press cover carries The open end is folded back on the part where the cover body is arranged in the packaging bag to complete the folding of the bag mouth.

Further, a linear driving mechanism is also provided on the rotary driving mechanism, through which the rotary driving mechanism can be driven to perform linear motion along the direction perpendicular to the axis of the packaging bag.

Further, the folded packaging bag assembly further includes a heating assembly, the heating assembly is set corresponding to the position where the opening end of the bag mouth is folded when the folding is completed, so as to connect the folded open end to the packaging bag after the bag mouth is folded. The part with the inner cover is heated to assist the bonding.

Further, the folding and packaging bag assembly also includes two top pressing blocks and a top pressing block driving mechanism, the two top pressing blocks are arranged opposite to each other on the radial direction of the packaging bag, and the two top pressing blocks face the head of the packaging bag. In order to reduce the pointed shape, the two top pressing blocks extend into the crease on both sides of the packaging bag or retreat under the action of the driving mechanism of the top pressing block.

The above folding bag components are optional parts selected according to the needs of users. The actual equipment does not need to be equipped with a folding bag component. This equipment does not necessarily need to complete the step of sealing. For example, other equipment or Manually seal.

In the above solution, the cover pushing mechanism can be directly a linear moving mechanism arranged along the guide rail, such as a linear motor, a motor and a lead screw nut mechanism, but a better solution is that the cover pushing mechanism includes a lifting mechanism, A guide rail, a push rod and a push rod driving mechanism, the lifting mechanism has a lifting end; the guide rail is arranged below the cover body track and extends along the length direction of the cover body track, and one end of the guide rail is connected to the cover body track. The frame is rotatably connected, the other end of which is rotatably connected with the lifting end of the lifting mechanism, and is driven by the lifting mechanism to move up and down in the vertical direction; the push rod is slidably connected to the guide rail along the length direction of the guide rail, The push rod has a push end, which corresponds to the cover body on the cover body track; the push rod is connected with the push rod driving mechanism, and is driven by the push rod driving mechanism along the length of the cover body track direction to move in a straight line. The effect of this preferred solution: the push mechanism can be lowered and retracted when not in use, which saves space; at the same time, compared with the overall lifting and lowering of the guide rail, the connection and driving method of the guide rails mentioned above, the burden of the lifting mechanism is small, and the lifting of the guide rails It is more convenient and more suitable for the use of longer guide rail strokes.

In the above solution, a packaging bag supply device is connected to the packaging bag supply position, and the packaging bag supply device includes a silo, a bag fetching arm, an arm driver and a bag fetching operation component; the silo includes a Storage tank, the storage tank is fixed relative to the frame, one end of the storage tank is the reclaiming end, and the storage tank is inclined downward with the reclaiming end; the upper end of the bag taking arm is hinged relative to the rack, The lower end of the bag taking arm is used as the bag taking operation end; one end of the arm driving member is hinged relative to the frame, and the other end is hinged with the middle of the bag taking arm, and the arm driving member drives the bag taking arm to swing; the bag taking operation The assembly is arranged on the bag taking operation end of the bag taking arm, and the bag taking operation assembly is slidably connected relative to the bag taking arm along the length direction of the bag taking arm. The length direction of the bag arm makes a telescopic movement; in the working state, the arm drive part drives the bag taking arm to swing toward the take-up end of the storage tank, and aligns with the take-up end of the storage tank, so that the bag take-up operation component is telescopically driven. Driven by the mechanism, it can extend into the reclaiming end of the storage tank to take out the packaging bag.

In the above solution, an air blowing channel is provided on the opening of the packaging bag opened toward the second mouth opening member, and the air blowing channel is connected to an air source, so that the opening of the packaging bag can be fully opened to facilitate the insertion of the cover.

In the above solution, the packaging bag positioning and mouth opening components can adopt various mechanisms, such as cylinders and suction cups, etc., preferably as follows: including an upper suction component and a lower suction component, the upper suction component and the lower suction component are arranged correspondingly up and down, It is adsorbed on the packaging bag from above and below to open the mouth of the packaging bag.

In the above solution, an unloading device may also be provided on the cover pushing and bagging section. After the cover body is put into the packaging bag and packaged, the unloading device can be used to discharge or grab it away. The unloading device can be, for example, the two gates at the bottom of the track. When the gates are opened, the packed cylindrical cover will automatically drop for unloading, or the unloading device is a manipulator, which is grabbed by the manipulator. Remove the packed cylindrical lid. Of course, there is no unloading device in practice, and manual unloading can also be used.

The present invention has the following effects: by adopting ingenious mechanism design such as a bag grabbing assembly, the present invention actually realizes that the cover body is automatically loaded into the packaging bag accurately and smoothly. Very promising market.

In addition, since the present invention has two stations: the supply position of the packaging bag and the position of the cover body entering the bag, the bag mouth of the packaging bag is first opened at the supply position of the packaging bag, and then the bag is held by the grab bag component and dragged to the bag. At the supply position of the packaging bag, at the supply position of the packaging bag, ensure that the mouth of the packaging bag is reliably opened, and then push the cover into the packaging bag to complete the bagging process. The station is completed. This is designed so that the opening of a new bag can be opened at the supply position of the packaging bag, and the process of inserting the lid and bagging of the previous bag can be carried out at the position of the cover body. Simultaneous operation avoids waiting time and improves work rhythm and efficiency.

Description of drawings

Fig. 1 is an overall perspective schematic view of an embodiment of the present invention, in which the guide rails in the lid-pushing bagging section are omitted and not shown;

Fig. 2 is the overall front view schematic diagram of the embodiment of the present invention;

Fig. 3 is the enlarged schematic diagram at A of Fig. 1;

4 is a schematic diagram 1 of the action of the bag grabbing assembly according to the embodiment of the present invention;

FIG. 5 is a second action diagram of the bag grabbing assembly according to the embodiment of the present invention;

FIG. 6 is a schematic diagram 3 of the action of the bag grabbing assembly according to the embodiment of the present invention;

FIG. 7 is a schematic diagram 4 of the action of the bag grabbing assembly according to the embodiment of the present invention;

8 is a schematic perspective view of a cover pushing mechanism according to an embodiment of the present invention;

9 is a schematic diagram of the state in which the push rod of the cover pushing mechanism extends into the cover track according to the embodiment of the present invention;

Fig. 10 is the first three-dimensional schematic diagram of the folding and packaging bag assembly according to the embodiment of the present invention, showing the state when the mouth is opened;

Figure 11 is a second perspective view of the folding and packaging bag assembly according to the embodiment of the present invention, showing the state when the mouth is opened and closed;

Fig. 12 is a three-dimensional schematic diagram of the folding and packaging bag assembly according to the embodiment of the present invention, showing the state when the cover is turned over;

13 is a schematic diagram of the top pressing block function of the folding and packaging bag assembly according to the embodiment of the present invention;

14 is a schematic diagram of a packaging bag according to an embodiment of the present invention;

FIG. 15 is a schematic diagram of the state after the opening end of the packaging bag according to the embodiment of the present invention is folded;

16 is a schematic perspective view of a packaging bag supply device according to an embodiment of the present invention;

FIG. 17 is a schematic diagram of a retracted state of the bag taking operation component of the packaging bag supply device according to the embodiment of the present invention;

FIG. 18 is a schematic diagram of the extended state of the bag taking operation component of the packaging bag supply device according to the embodiment of the present invention;

19 is a schematic diagram of a state in which the bag taking operation component of the packaging bag supply device according to the embodiment of the present invention absorbs the packaging bag.

In the above drawings: 1. Rack; 2. Cover body track; 21. Push cover bagging section; 211, Packaging bag supply position; 212, Cover body entering bag position; 22, Cover body temporary storage device; 3. Packaging Bag positioning and mouth opening assembly; 31, upper suction assembly; 32, lower suction assembly; 4, bag grasping assembly; 41, first mouth support member; 42, bag pressing block; 43, bag pressing block driving mechanism; 431, swing rod 4311, touch end; 432, touch and fit block; 433, touch and fit block drive device; 434, elastic element; 44, grab bag translation drive mechanism; 52. Driving mechanism for the second mouthpiece; 6. Cover pushing mechanism; 61. Lifting mechanism; 62. Guide rail; 63. Push rod; 64. Push rod driving mechanism; , rear end limit block; 72, limit block drive mechanism; 8, folding and packaging bag assembly; 81, clamping drive mechanism; 811, clamping part; 82, rotary drive mechanism; 83, clamping jaw assembly; 831, upper Folding bag rod; 832, lower folding bag rod; 8321, gland; 84, linear drive mechanism; 85, heating assembly; 86, top pressing block; 861, top pressing block driving mechanism; 9, packaging bag supply device; 91, 911, storage tank; 92, bag taking arm; 921, bag taking operation end; 93, arm drive; 94, bag taking operation assembly; 941, telescopic drive mechanism; 00, packaging bag; 001, cover ; 002, crease; 003 glue paste part.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the present invention is further described:

Example: see Figure 1-19:

1, 2 and 3, including a frame 1 and a lid rail 2 for conveying stacked lids provided on the frame 1, the lid rail 2 The first section is used as the push-lid bagging section 21 , and the lid-pushing bagging section 21 refers to the position on the equipment that completes the core function of pushing the lid 001 into the packaging bag 00 .

Referring to FIG. 2 , one end of the lid-pushing bagging section 21 serves as a bag supply position 211 , and the other end serves as a cover body insertion position 212 .

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the packaging bag supply position 211 is provided with a packaging bag positioning and mouth opening assembly 3 , and the packaging bag positioning and mouth opening assembly 3 can place the packaging bag on the packaging bag supply position 211 And keep your mouth open. A specific example of the packaging bag positioning and mouth opening assembly 3 is shown in FIG. 19, including an upper suction assembly 31 and a lower suction assembly 32. The upper suction member 31 and the lower suction assembly 32 are arranged correspondingly up and down, and are adsorbed on the packaging from above and below. On the bag 00, the mouth of the packaging bag 00 is opened. In practice, the packaging bag positioning and mouth opening assembly 3 can also be implemented in other structural forms: for example, two plywoods, one left and one right, sandwich the left and right side edges of the packaging bag 00 to naturally open the bag mouth, or the up and down adsorption and the left and right plywood together The function opens the mouth of the bag.

Referring to FIGS. 1 , 2 and 3 , a bag grab assembly 4 is slidably connected between the cover body entering position 212 and the packaging bag supply position 211 , and the bag grab assembly 4 is driven by a grab bag translation drive mechanism 44 The drive moves between the cover body entering position 212 and the packaging bag supply position 211 .

Referring to FIGS. 1 , 2 and 3 , the bag grabbing assembly 4 includes a first opening piece 41 and a bag pressing block 42 , and the first opening piece 41 is a circular arc-shaped plate with a concave surface facing upward. The bag pressing block 42 is located under the first mouth supporting member 41, and the bag pressing block 42 is driven by the bag pressing block driving mechanism 43 to be able to approach or move away from the bottom surface of the first mouth supporting member 41, so that the bag pressing block 42 is connected to the first mouth supporting member 41. The mouth piece 41 cooperates with a clamping function; when the bag gripping assembly 4 is located at the packaging bag supply position 211 , the first mouth supporting member 41 can extend into the opening of the packaging bag 00 , and the bag pressing block 42 cooperates with the first mouth supporting member 41 It can hold the lower edge of the opening of the packaging bag 00.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the translation drive mechanism 44 can adopt various existing linear drive mechanisms, such as linear motors, linear modules, motor plus screw and nut mechanisms, or cylinders.

Referring to FIGS. 1 , 2 and 3 , and as shown in FIGS. 4-7 for details, the bag-pressing block driving mechanism 43 preferably includes a swing rod 431 , a touch-fit block 432 and a touch-fit block drive mechanism 43 . Device 433. The swing rod 431 is hingedly arranged relative to the first mouth support member 41 , one end of the swing rod 431 is fixed to the bag pressing block 42 , and the other end thereof serves as a contact end 4311 . Specifically, as shown in FIGS. 3-6 , the swing rod 431 is a bending rod, the end of its transverse section is positioned and connected to the bag pressing block 42 , and the end of its vertical section serves as the touch end 4311 . An elastic element 434 is also provided on the end of the transverse section of the swing rod 431 to keep the bag pressing block 42 in a clamping state in cooperation with the first mouthpiece 41 . Referring to FIGS. 1 and 2 , and as shown in FIGS. 3-6 for details, the touch-fit block 432 is disposed at the packaging bag supply position 211 corresponding to the touch end 4311 of the pendulum rod 431 , and the touch-fit block 432 There are two working positions driven by the touch-fit block driving device 433. When the touch-fit block 432 is in a working position, the touch end 4311 of the swing rod 431 contacts with the touch-fit block 432, so that the bag pressing block 42 is lowered and loosened. When the touch-fit block 432 is in another working position, the touch end 4311 of the swing lever 431 is released, so that the bag-pressing block 42 returns to the clamping state.

In practice, the bag pressing block driving mechanism 43 also adopts other existing driving mechanisms, for example, a cylinder is directly installed on the bag grabbing assembly 4 to move with the bag grabbing assembly 4 .

Referring to FIG. 1 , FIG. 2 and FIG. 3 , a second opening member 51 and a second opening member driving mechanism 52 for driving the movement of the second opening member 51 are provided at the bag-in position 212 of the cover body. The second mouthpiece 51 is located above the first mouthpiece 41 . When the bag grab assembly 4 is located at the cover entry position 212 , the second opening piece 51 and the first opening piece 41 can work together to open and hold the opening of the bag, forming a cover that can enter. aisle. Preferably, the second opening member 51 is a circular arc-shaped plate with a concave downward surface. The cross section of the first mouth piece 41 is close to a semicircle.

1 , 2 and 3 , it is preferable that the bag mouth of the packaging bag 00 opened on the second mouth opening member 51 is provided with an air blowing channel 511 , and the air blowing channel 511 is connected to air. source, so as to blow air into the packaging bag 00 while the second opening member 51 and the first opening member 41 open the opening of the packaging bag 00, so that the opening of the packaging bag 00 can be opened smoothly.

The can lid packaging device further includes a lid pushing mechanism 6, which can push the lid through between the second opening piece 51 and the first opening piece 41 into the cover pushing and bagging section 21. in the packaging bag 00 at the location.

Referring to FIG. 1 and FIG. 2 , there is also a packaging bag rear end limiting component 7 at the position 211 on the lid-pushing bagging section 21 which is close to the packaging bag supply position. The end limit block 71 and the limit block driving mechanism 72 , the rear end limit block 71 of the packaging bag can move up and down relative to the frame 1 under the drive of the limit block driving mechanism 72 . When the lid body enters the packaging bag 00 of the lid pushing and bagging section 21 along the lid body track 2 , the rear end stop block 71 of the packaging bag is in a downward state, that is, the rear end of the packaging bag 00 is blocked and positioned.

During operation, as shown in Fig. 1-2 and Fig. 3 , the cover body track 2 of this embodiment is arranged with overlapping cover bodies 001. See Fig. 8, and a packaging bag 00 with an open bag mouth is set at the packaging bag supply position 211. , first start the bag grab translation drive mechanism 44 to drive the grab bag assembly 4 to move to the packaging bag supply position 211, the state at this time is shown in Figure 4, when the grab bag assembly 4 is about to reach the packaging bag supply position 211, the contact of the pendulum rod 431 The touch end 4311 first comes into contact with the touch fitting block 43 and is pressed by it, so that the bag pressing block 42 is lowered, that is, it is separated from the first mouth supporting member 41, and the bag gripping assembly 4 continues to move to the packaging bag supply position 211, so that the The first opening member 41 is inserted into the open bag mouth of the packaging bag 00, and the state at this time is shown in FIG. 5; then, the touch-fit block driving device 433 acts to drive the touch-fit block 43 to swing and give way, and the bag pressing block 42 is Under the action of the elastic element 434, the lower edge of the bag mouth of the packaging bag 00 is clamped, and the lower edge of the bag mouth of the packaging bag 00 is clamped by the elastic element 434, which is reset and lifted up; When the bag assembly 4 moves to the cover entry position 212, the bag grab assembly 4 successfully grabs a bag and drags it to the cover entry position 212. For this process, see FIG. 7; when the grab bag assembly 4 returns to the cover When the body is placed in the bag position 212 , the second opening member 51 is also inserted into the opened pocket of the packaging bag 00 , and then the second opening member 51 is driven away from the first opening member by the second opening member driving mechanism 52 . 41, that is, the second mouth opening piece 51 and the first mouth opening piece 41 are relatively open, and at the same time, the air blowing channel 511 blows air into the packaging bag 00, so that the mouth of the packaging bag can be smoothly bulged and opened to form a cover The body 001 can enter the channel in the bag. At this time, the cover body pushing mechanism 6 is activated, that is, the stack of elongated cover bodies 001 on the cover body rail 2 is pushed into the bag, and the cover body pushing mechanism 6 is withdrawn from the packaging bag 00, that is, the loading of the cover body is completed. The process of packing bag 00.

The cover pushing mechanism 6 may be any mechanism capable of passing the cover into the packaging bag 00 along the axial direction of the packaging bag 00 , such as an air cylinder provided along the axial direction of the packaging bag 00 . However, the preferred solution in this embodiment is: as shown in FIG. 1 and FIG. 2 , as shown in FIG. 8 and FIG. 9 for details, the cover pushing mechanism 6 includes a lifting mechanism 61 , a guide rail 62 , a push rod 63 and Push rod driving mechanism 64, the lifting mechanism 61 has a lifting end; the guide rail 62 is arranged below the cover rail 2 and extends along the length direction of the cover rail 2, one end of the guide rail 62 It is rotatably connected with the frame 1 , and the other end thereof is rotatably connected with the lifting end of the lifting mechanism 61 , and is driven by the lifting mechanism 61 to move up and down in the vertical direction. The push rod 63 is slidably connected to the guide rail 62 along the length direction of the guide rail 62 , and the push rod 63 has a pushing end corresponding to the cover on the cover rail 2 . The push rod 63 is connected to the push rod driving mechanism 64 in a driving manner, and is driven by the push rod driving mechanism 64 to move linearly along the length direction of the cover rail 2 . The push rod driving mechanism 64 may be an existing driving device such as a linear module, a linear motor, or the like.

In the working state, see Figures 1-3 and Figures 8-9 for details, the cover body 001 is conveyed along the cover body track 2 to the right side of the pushing end of the push rod 63, and the lifting end of the lifting mechanism 61 pushes the guide rail 62 to rise. , the pushing end of the push rod 63 extends upward from the middle of the cover rail 2 , and then the push rod driving mechanism 64 is activated to drive the pushing end of the push rod 63 to slide along the length direction of the guide rail 62 to push the cover 001 on the cover rail 2 medium exercise.

Preferably, the push rod 63 further includes an extension section extending along the length direction of the cover rail 2 , and the end of the extension section serves as the pushing end.

Referring to Figures 1 and 2, and Figures 10 to 13 for details, a folding bag assembly 8 is further provided on the lid pushing and bagging section 21 at the bag entry position 212 of the lid body, and the folding bag assembly 8 includes a clamping The driving mechanism 81 , the rotating driving mechanism 82 and the clamping jaw assembly 83 , the clamping driving mechanism 81 is driven to swing by the rotating driving mechanism 82 , and the clamping driving mechanism 81 has two clamping parts 811 . The clamping jaw assembly 83 includes an upper-folding bag rod 831 and a lower-folding bag rod 832 that are oppositely arranged. 811, the clamping driving mechanism 81 drives the upper folding bag rod 831 and the lower folding bag rod 832 to separate, thereby forming an opening between the upper folding bag rod 831 and the lower folding bag rod 832. And the lower folding bag rod 832 is provided with a press cover 8321, the press cover 8321 is provided with an arc-shaped pressing surface that matches the circumferential surface of the packaging bag 00, and the arc-shaped pressing surface is along the direction of the packaging bag 00. Axial extension setting. In the working state, the open end of the packaging bag 00 is disposed in the opening of the upper folding bag rod 831 and the lower folding bag rod 832, and the clamping driving mechanism 81 drives the upper folding bag rod 831 and the lower folding bag rod 832. The open end of the packaging bag 00 is clamped, and the rotating drive mechanism 82 drives the upper folding bag rod 831 and the lower folding bag rod 832 to turn 180°, so that the arc-shaped pressing surface of the press cover 8321 carries the edge of the packaging bag 00. The open end is folded back on the part of the packaging bag 00 where the cover is provided to complete the folding of the bag mouth. Specifically, the rotary driving mechanism 82 is further provided with a linear driving mechanism 84 through which the rotary driving mechanism 82 can be driven to move linearly along the direction perpendicular to the axis of the packaging bag 00 .

1 and 2, and FIGS. 10-13 for details, preferably, the folding and packaging bag assembly 8 further includes a heating assembly 85, and the heating assembly 85 corresponds to the position where the opening end of the bag mouth is folded back when the folding is completed. position, so that after the bag mouth is folded, the folded open end is heated and bonded to the part where the cover is provided in the packaging bag.

Referring to FIG. 13 , the folding and packaging bag assembly 8 further includes two top pressing blocks 86 and a top pressing block driving mechanism 861 . The two top pressing blocks 86 are shrunk and pointed toward the head of the packaging bag. The two top pressing blocks 86 extend into the crease 002 on both sides of the packaging bag 00 or retreat under the action of the top pressing block driving mechanism 861 .

A glue sticking part 003 is pre-arranged at the opening end of the packaging bag 00 , and glue is pre-attached on the glue sticking part 003 . Referring to Figures 1 and 2, and Figures 10-13 for details, when the cover needs to be sealed after being put into the packaging bag, the heating element 85 is used to heat the glue sticking part 00 to make the glue sticky. Then, through the top pressing block driving mechanism 861, the heads of the two top pressing blocks 86 are driven to extend into the folds 002 on both sides of the open end of the packaging bag 00, which is equivalent to making one side of the open end of the packaging bag 00. Then, by starting the linear drive mechanism 84, the rotary drive mechanism 82 can be driven to extend to the packaging bag 00, so that the opening between the upper folding bag rod 831 and the lower folding bag rod 832 is aligned with the open end of the packaging bag 00, and then The upper folding rod 831 and the lower folding rod 832 are driven by the clamping driving mechanism 81 to close, thereby clamping the open end of the packaging bag 00, and then the rotating driving mechanism 82 drives the upper folding rod 831 and the lower folding rod 832 to turn 180° , so that the arc-shaped pressing surface of the press cover 8321 is folded back on the cylindrical surface of the packaging bag 00 with the open end of the packaging bag 00, that is, the arc-shaped pressing surface of the press cover 8321 will fold the open end of the packaging bag 00 It is pasted with the glue sticking part 003 of the circumferential surface of the packaging bag 00, that is, the opening end of the packaging bag 00 is folded and sealed. After the folding and sealing is completed, the linear driving mechanism 84 drives the upper folding rod 831 and the lower folding rod 832 to move away from the packaging bag 00, and pulls out the upper folding rod 831 and the lower folding rod 832 from the packaging bag to avoid it.

Referring to Figures 1 and 2, and Figures 16-19 for details, the packaging bag supply position 211 is connected to a packaging bag supply device 9. The packaging bag supply device 9 includes a bin 91, a bag taking arm 92, a The arm driving member 93 and a bag taking operation assembly 94; the silo 91 includes a storage tank 911, the storage tank 911 is fixed relative to the frame 1, and one end of the storage tank 911 is the take-out end, the storage tank 911 The material chute 911 is inclined downward with the reclaiming end. The upper end of the bag taking arm 92 is hinged relative to the frame 1 , and the lower end of the bag taking arm 92 serves as the bag taking operation end 921 . One end of the arm driver 93 is hinged relative to the frame 1, and the other end is hinged to the middle of the bag taking arm 92, and the arm driver 93 drives the bag taking arm 92 to swing. The bag taking operation assembly 94 is disposed on the bag taking operation end 921 of the bag taking arm 92, and the bag taking operation assembly 94 is slidably connected relative to the bag taking arm 92 along the length direction of the bag taking arm 92, and the bag taking operation assembly 94 acts on it. There is a telescopic drive mechanism 941 , so that the bag taking operation assembly 94 can perform telescopic movement along the length direction of the bag taking arm 92 . In the working state, the packaging bag 00 is placed in the storage tank 911, and the bag-taking arm 92 is driven by the arm driver 93 to swing toward the reclaiming end of the storage tank 911, and is aligned with the reclaiming end of the storage tank 911, so that the taking Driven by the telescopic drive mechanism 941, the bag operation assembly 94 can extend into the take-out end of the storage tank 911 to take out the packaging bag 00, and then the bag take-out operation assembly 94 drives the packaging bag 00 to rise, and the arm driver 93 drives the bag take-out arm 92 toward The bag placement position on the packaging bag supply position 211 swings, and the packaging bag 00 is dragged to the bag placement position, thereby completing the bag taking operation.

The bag taking operation component 94 includes a vacuum suction cup, that is, the upper suction component 31 of the packaging bag positioning and mouth opening component 3. The state of the bag to be taken at the packaging bag supply position 211 is shown in FIG. 19 .

Referring to FIGS. 1 and 2 , the cover rail 2 is provided with a cover temporary storage device 22 at the front of the cover pushing and bagging section 21 , and the cover temporary storage device 22 is used to temporarily store the cover 001, so that the speed at which the cover body 001 is delivered from the front of the cover body rail 2 matches the packing speed at the rear push cover bagging section 21.

Referring to Figures 1 and 2, an unloading device may also be provided on the cover pushing and bagging section 21. After the cover is put into the packaging bag and packaged, the unloading device can be used to discharge or take away. An example of the unloading device can be directly the two gates at the bottom of the track. When the gates are opened, the packed cylindrical cover body will automatically drop to unload the material. In practice, the unloading device can also be a manipulator, which grabs and removes the packed cylindrical cover. Of course, there is no unloading device in practice, and manual unloading can also be used.

The above-mentioned embodiments are for illustration, and in practice, the following variations are also available:

1. The second mouth piece 51 can be omitted, but only the first mouth piece 41 can be used to support the bag mouth. The first mouth piece 41 can be designed to have a pointed circular arc at the front end and a circular tubular shape at its rear end. , when working, the tip of the first mouth opening piece 41 is extended into the bag mouth until the circular tubular part of the rear end also enters the bag mouth, and the bag mouth is completely opened;

2. The setting direction of the first mouth support 41 and the bag pressing block 42 is not limited to the above example, which is used to clamp the lower edge of the bag mouth of the packaging bag 00 on the lower side of the bag mouth of the packaging bag 00. The length direction of the bag is reversed, for example, the left edge, the right edge or the upper edge of the bag mouth used to hold the packaging bag 00 can be used;

3. The number of the second mouth openings 51 can be multiple, so that the plurality of second mouth opening pieces 51 and the first mouth opening pieces 41 are arranged around the mouth of the bag to make the mouth of the bag more stable;

4. The second opening member 51 can be positioned on the bag-in-bag position 212 of the cover body instead of being disposed on the bag-catching component 4 , that is, contained in the bag-catching component 4 , the second opening member 51 and the first opening member 41 Move together, when the bag grab assembly 4 is located at the packaging bag supply position 211, the second mouth opening member 51 can extend into the opening of the packaging bag 00 together with the first mouth opening member 41; When the position is 212, the second mouth opening piece 51 can cooperate with the first mouth opening piece 41 to open and hold the mouth of the packaging bag 00;

5. In the above-mentioned embodiment, the second mouth piece 51 is driven by the second mouth piece driving mechanism 52 to actively act. In practice, the second mouth piece driving mechanism 52 may not be provided, and the second mouth piece 51 can also be actuated. For example, the second mouth opening 51 is hinged relative to the frame 1, and when the cover 001 is pushed in, the cover 001 presses the second mouth opening 51 and turns it over to hold the bag mouth in place.

The above-mentioned embodiments are only intended to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the art to understand the content of the present invention and implement them accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A packaging device for can lids, characterized by comprising a frame (1) and a lid rail (2) provided on the frame (1) for conveying stacked lids, the lid rail ( 2) The upper section is used as a cover-push bagging section (21), one end of the cover-push bagging section (21) is used as a packaging bag supply position (211), and the other end is used as a cover body insertion position (212); The packaging bag supply position (211) is provided with a packaging bag positioning and mouth opening assembly (3), the packaging bag positioning and mouth opening assembly (3) can place the packaging bag (00) on the packaging bag supply position (211) and keep mouth open; A bag grab assembly (4) is slidably connected between the cover body entering position (212) and the packaging bag supply position (211), and the bag grab assembly (4) is driven by a bag grab translation drive mechanism (44). The cover body moves between the bag entry position (212) and the packaging bag supply position (211); the bag grabbing assembly (4) includes a first mouth opening piece (41) and a bag pressing block (42), the The bag pressing block (42) is arranged opposite to the first opening piece (41), and the bag pressing block (42) is driven by the bag pressing block driving mechanism (43) to be able to approach or be away from the first opening piece (41), so that the bag pressing The block (42) cooperates with the first opening piece (41) to have a clamping effect; when the bag grab assembly (4) is located at the packaging bag supply position (211), the first opening opening piece (41) can extend into the packaging bag ( 00), the bag pressing block (42) cooperates with the first mouth supporting member (41) to clamp the side edge of the opening of the packaging bag (00). 212), the first mouth opening member (41) can open and hold the mouth of the packaging bag; The can lid packing device further includes a lid pushing mechanism (6), which can push the lid (001) through the first mouth opening piece (41) into the lid pushing and bagging section (6). 21) in the packaging bag (00). 2. The packaging device for can lids according to claim 1, characterized in that: at least one second mouth supporting member (51) is further provided at the bag opening corresponding to the packaging bag (00) at the bag entry position (212) of the lid body ), when the bag grab assembly (4) is located at the lid body entry position (212), the second mouth opening member (51) can also extend into the opening of the packaging bag (00), and the first mouth opening member ( 51) Working together to open and maintain the mouth of the packaging bag; the first mouth opening piece (41) is an arc-shaped plate-like body, and the second mouth-opening piece (51) is also an arc-shaped plate-like body , the first opening piece (41) and the second opening piece (51) are arranged opposite to each other with their arc concave surfaces. 3 . The packaging device for can lids according to claim 1 , wherein the bag grab assembly ( 4 ) further comprises at least one second opening piece ( 51 ), and the second opening piece ( 51 ) follows the first opening piece ( 51 ). 4 . A mouth opening piece (41) moves, and when the bag grab assembly (4) is located at the packaging bag supply position (211), the second mouth opening piece (51) can extend into the packaging bag (41) together with the first mouth opening piece (41). 00) in the opening of the mouth; when the bag grab assembly (4) is located at the cover entry position (212), the second opening member (51) can cooperate with the first opening member (41) to pack the bag. Mouth open and held. 4. The packaging device for can lids according to claim 1, characterized in that: there is a packaging bag rear end limiting component (7) on the top of the lid pushing and bagging section (21) near the packaging bag supply position (211). ), the rear end limit assembly (7) of the packaging bag is composed of a rear end limit block (71) of the packaging bag and a limit block driving mechanism (72). (72) It can be moved up and down relative to the frame (1) under driving; when the cover body enters the packaging bag (00) of the push-lid bagging section (21) along the cover body track (2), the rear end of the packaging bag is limited The block (71) is in a descending state, that is, it blocks and locates the rear end of the packaging bag (00). 5 . The packaging device for can lids according to claim 1 , wherein the bag-pressing block driving mechanism ( 43 ) comprises a swing rod ( 431 ), a touch-fit block ( 432 ) and a touch-fit block drive. 6 . device (433); the swing rod (431) is hingedly arranged relative to the first mouth support piece (41), one end of the swing rod (431) is positioned and connected to the bag pressing block (42), and the other end is used as a touch end (4311) ); an elastic element (434) acts on the swing rod (431) to keep the bag pressing block (42) in a clamped state in cooperation with the first mouth opening piece (41); the touch and fit block (432) The touch end ( 4311 ) corresponding to the pendulum rod ( 431 ) is provided at the packaging bag supply position ( 211 ), and the touch-fit block ( 432 ) has two working positions driven by the touch-fit block driving device ( 433 ) , when the touch-fit block (432) is in a working position, the touch end (4311) of the pendulum rod (431) contacts the touch-fit block (432) so that the bag-pressing block (42) is lowered and released, and when the touch-fit block (432) is in contact The touch-fit block (432) is located at another working position to release the touching end (4311) of the swing rod (431), so that the bag-pressing block (42) returns to the clamping state. 6. The packaging device for can lids according to claim 1, characterized in that: a folded packaging bag assembly (8) is further provided at the position (212) of the lid pushing and bagging section (21), The folding and packaging bag assembly (8) includes a clamping driving mechanism (81), a rotating driving mechanism (82) and a clamping jaw assembly (83), and the clamping driving mechanism (81) drives the pendulum through the rotating driving mechanism (82). There are two clamping parts (811) on the clamping drive mechanism (81); the clamping jaw assembly (83) includes an upper folding bag rod (831) and a lower folding bag rod (832) arranged oppositely, so The root parts of the upper folding bag rod (831) and the lower folding bag rod (832) are fixed on the two clamping parts (811) of the clamping driving mechanism (81), and the clamping driving mechanism (81) drives the upper folding The bag bar (831) and the lower bag bar (832) are separated, so as to form an opening between the upper bag bar (831) and the lower bag bar (832); and the lower bag bar (832) A press cover (8321) is provided thereon, and the press cover (8321) is provided with an arc-shaped pressing surface matched with the circumferential surface of the packaging bag (00), and the arc-shaped pressing surface is along the direction of the packaging bag (00). The axial extension is arranged; in the working state, the open end of the packaging bag (00) is disposed in the opening of the upper folding bag rod (831) and the lower folding bag rod (832), and the clamping driving mechanism (81) ) drives the upper folding bag rod (831) and the lower folding bag rod (832) to clamp the open end of the packaging bag (00), and the rotary driving mechanism (82) drives the upper folding bag rod (831) and the lower folding bag rod (831) (832) Flip 180°, so that the arc-shaped pressing surface of the press cover (8321) is folded back with the open end of the packaging bag (00) on the part where the lid is provided in the packaging bag (00) to complete the bag mouth folding . 7. The packaging device for can lids according to claim 6, characterized in that: a linear driving mechanism (84) is further provided on the rotary driving mechanism (82), and the rotary driving mechanism can be driven by the linear driving mechanism (84). (82) Make a linear motion in a direction perpendicular to the axis of the packaging bag (00). 8 . The packaging device for can lids according to claim 6 , wherein the folding and packaging bag assembly ( 8 ) further comprises a heating assembly ( 85 ), and the heating assembly ( 85 ) opens corresponding to the opening of the bag mouth when the folding is completed. 9 . The position where the end is folded is set, so that after the bag mouth is folded, the folded open end is heated and bonded to the part where the cover is arranged in the packaging bag. 9. The packaging device for can lids according to claim 1, wherein the lid pushing mechanism (6) comprises a lifting mechanism (61), a guide rail (62), a push rod (63) and a push rod driving mechanism (64), the lifting mechanism (61) has a lifting end; the guide rail (62) is arranged below the cover rail (2) and extends along the length direction of the cover rail (2), One end of the guide rail (62) is rotatably connected with the frame (1), and the other end is rotatably connected with the lifting end of the lifting mechanism (61), and is driven by the lifting mechanism (61) in the vertical direction Move up and down; the push rod (63) is slidably connected to the guide rail (62) along the length direction of the guide rail (62), and the push rod (63) has a pushing end corresponding to the cover rail ( 2) the cover body on the upper body; the push rod (63) is connected to the push rod driving mechanism (64) in a driving manner, and is driven by the push rod driving mechanism (64) to move linearly along the length direction of the cover body track (2). The packaging device for can lids according to claim 1, characterized in that: a packaging bag supply device (9) is connected to the packaging bag supply position (211), and the packaging bag supply device (9) comprises a silo (91), a bag taking arm (92), an arm driving member (93) and a bag taking operation assembly (94); the silo (91) includes a storage tank (911), the storage tank ( 911) is fixed relative to the frame (1), one end of the storage tank (911) is the reclaiming end, and the storage tank (911) is inclined downward with the reclaiming end; the bag taking arm (92) The upper end is hinged relative to the frame (1), and the lower end of the bag-taking arm (92) is used as the bag-taking operation end (921); one end of the arm driver (93) is hinged relative to the frame (1), while the other end is connected to the bag-taking operation end (921). The middle part of the arm (92) is hinged, and the arm driver (93) drives the bag taking arm (92) to swing; the bag taking operation assembly (94) is arranged on the bag taking operation end (921) of the bag taking arm (92). and the bag taking operation assembly (94) is slidingly connected along the length direction of the bag taking arm (92) relative to the bag taking arm (92), and a telescopic drive mechanism (941) acts on the bag taking operation assembly (94), so that The bag operation assembly (94) performs telescopic movement along the length direction of the bag taking arm (92); in the working state, the arm driving member (93) drives the bag taking arm (92) to swing toward the taking end of the storage tank (911) , and align with the reclaiming end of the storage tank (911), so that the bag taking operation assembly (94) can extend into the reclaiming end of the storage tank (911) under the drive of the telescopic drive mechanism (941) to take out the packaging bag ( 00).

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