CN202491931U - Packing case automatic folding-cover molding machine - Google Patents

Abstract

The utility model provides an automatic folding and forming machine for packaging boxes, which comprises: a conveying device for the unpacked packaging boxes, before the entrance of the conveying channel, the folding and forming machine provides a space-variable unpacking forming machine. area, the folding forming machine is also provided with a pushing device, the pushing device includes a pushing suction cup and a moving mounting frame, under the opening forming area, the folding forming machine is provided with a first folding area, The first folding mechanism corresponds to the bottom sheet on the rear side in the direction in which the pushing device pushes the packing box in the narrow side of the packaging box, and the folding forming machine is provided with a second folding area, and the folding forming machine provides There is a top cover area, and the folding cover forming machine is provided with a top limit mechanism of the packing box, which is used for limiting the upper part of the packing box when the packing box is acted by the upper top mechanism. The utility model can make use of the function distribution of each mechanical structure to unpack the packing box and fold the cover during the movement process, so as to realize high-efficiency mechanical automatic sealing.

Description

A packing box automatic folding cover forming machine

technical field

The utility model relates to an automatic folding cover forming machine for packing boxes.

Background technique

The sealing method of the packaging box is to seal the box with tape paper and use the relationship between the cover sheets of the box to seal the box. The former has achieved mechanical automatic sealing, and the latter is currently done manually, which has high work intensity and low efficiency.

Contents of the invention

The technical problem to be solved by this utility model is to provide an automatic folding and forming machine for packaging boxes, which can replace manual and mechanical automatic sealing for the sealing structure of the box using the relationship between the lid sheets of the packaging box. For this reason, the utility model adopts following technical scheme: it comprises:

The conveying device of the packing box after unpacking, the conveying device is provided with the conveying channel of the packing case after unpacking; On both sides of the conveying channel, the conveying device is provided with a box clamping mechanism for circular motion respectively, and the conveying device The box clamping mechanisms on both sides of the channel cooperate with each other to clamp the unpacked box from the side of the box;

Before the entrance of the conveying channel, the folding forming machine is provided with a space-variable open-box forming area, and the folding forming machine is provided with a sheet-shaped box blank entrance in the open-box forming area and at the sheet-shaped box blank entrance There is a baffle plate in the front, the maximum width of the unpacking forming area corresponds to the wide side of the packing box, the baffle plate blocks one of the narrow sides of the sheet-shaped blank in motion, and the folding cover is formed The machine is equipped with a displaceable unpacking work suction cup, whose displacement direction is perpendicular to the conveying direction of the conveying device, and the displaceable unpacking work suction cup is used to pull the sheet blank into the unpacking forming area and The baffle plate cooperates to gradually unpack the packing box blank into a box shape during the pulling-in process;

The folding cover forming machine is also provided with a pushing device, which is used to push the unpacked packing box into the conveying device, and the pushing device includes a pushing suction cup and a moving mounting frame, and the moving direction of the moving mounting frame is Parallel to the conveying direction of the conveying device, the push suction cup is located on the upper part of the moving mounting frame;

Taking the direction in which the unpacking work sucker pulls in the sheet blank as the forward direction, the pushing device and the conveying device are respectively located on the left and right sides of the unpacking forming area, and the unpacking working sucker is located in front of the unpacking forming area side;

Below the opening forming area, the folding forming machine is provided with a first folding area, and the folding forming machine is provided with a first folding mechanism and a second folding mechanism in the first folding area , the third folding mechanism;

The first folding mechanism is installed on the bottom of the moving mounting frame, and the first folding mechanism corresponds to the bottom sheet on the rear side in the direction that the pushing device pushes the packaging box in the narrow side of the packaging box; the second folding mechanism, The third folding mechanism is located below the entrance of the conveying channel, and the second folding mechanism corresponds to the bottom sheet on the front side in the direction in which the pushing device pushes the packaging box on the narrow side of the packaging box. The three-fold cover mechanism corresponds to the bottom sheet on the inner side of the wide side of the packaging box; the position of the third cover-fold mechanism is on the first side of the second cover-fold mechanism, and the first side is the inner bottom the side on which the sheet is located;

Taking the conveying direction of the conveying device as the forward direction, under the rear part of the conveying device, the folding and forming machine is provided with a second folding area, and the folding and forming machine is provided with a For the transition backing plate of the folded sheet and the fourth folding mechanism, the fourth folding mechanism corresponds to the bottom sheet on the outer side of the wide side of the packaging box;

Below the conveying device, after the second folding area, the folding forming machine is provided with a top cover area, in which a backing plate for the bottom of the packing box and an upper top mechanism are provided, the The top-up mechanism is used to stuff the head of the outer bottom sheet into the inside of the packing box;

Above the conveying device, the folding lid forming machine is provided with a top limit mechanism of the packing box, which is used to limit the upper part of the packing box when the packing box is acted by the top mechanism.

On the basis of adopting the above-mentioned technical scheme, the utility model can also adopt the following further technical schemes simultaneously:

The folding cover forming machine is provided with an out-of-box work suction cup mounting bracket and its driving mechanism. The out-of-box work suction cup installation bracket includes a bracket arm and a vertical installation rod, and the out-of-box work suction cup can be horizontally adjusted in position and installed on the support arm Above, the bracket arm can be adjusted up and down on the vertical installation rod, and the vertical installation rod is connected to the driving mechanism. The direction is parallel to the direction of the displacement of the suction cup during unpacking work.

The folding cover forming machine is provided with a push suction cup cylinder and a motion mounting frame drive cylinder, the push suction cup is installed on the push suction cup cylinder, the push suction cup cylinder is mounted on the motion mounting frame, and the motion mounting frame drive cylinder is installed on the On the first mounting frame with adjustable position, the working direction of the push suction cup cylinder, the working direction of the driving cylinder of the moving mounting frame, and the position adjustment direction of the first mounting frame are in the same direction.

The box blocking plate is arranged on the side where the conveying device of the sheet box blank entrance is located. Further, the mounting frame is provided with a rotatable auxiliary baffle plate at the entrance of the sheet box blank and opposite to the baffle plate, and the auxiliary baffle plate is mounted on a rotating mechanism driven by a spring to reset .

The utility model is provided with a position-adjustable second mounting frame at the lower part of the conveying device, and the conveying device, the second folding mechanism, the third folding mechanism, and the fourth folding mechanism are all installed on the second mounting frame. The position adjustment direction of the second installation frame is perpendicular to the conveying direction of the conveying device.

The first folding mechanism, the second folding mechanism, the third folding mechanism, and the fourth folding mechanism are all equipped with a driving cylinder and a rotatable folding working part, and the driving cylinder is connected to the folding cover through a swingable connecting rod. The rotating shafts of the working parts are connected; the folding working parts of the first folding cover mechanism and the second folding cover mechanism are arm-shaped perpendicular to their rotating shafts, and their rotating shafts are parallel to the displacement direction of the unpacking work sucker; The cover-folding working parts of the third cover-folding mechanism and the fourth cover-folding mechanism are plate-shaped, and their rotating shafts are parallel to the conveying direction of the conveying device.

The clamping mechanisms on both sides of the conveying channel are synchronous belts whose belt surface is perpendicular to the horizontal plane.

At the outlet of the conveying channel, the conveying device is provided with a door driven by an air cylinder; Drive turns.

The limiting mechanism at the top of the packing box includes a limiting plate corresponding to the width of the narrow side of the packing box, the limiting plate is installed on the height adjustment mechanism, and the limiting mechanism at the top of the packing box is in the width direction of the limiting plate. There is also a second limit plate in the middle, and the second limit plate is driven up and down by the cylinder.

Due to the adoption of the technical solution of the utility model, the utility model can utilize the function distribution of each mechanical structure, and during the movement process, the packing box is opened and the cover is folded, so that high-efficiency mechanical automatic box sealing can be realized.

Description of drawings

Fig. 1 is a schematic diagram of an embodiment provided by the utility model.

Fig. 2 is an exploded view of the structure shown in Fig. 1 .

Fig. 3 is an exploded view of the unpacking working suction cup, the push suction cup, the first folding mechanism and related structures.

Fig. 4 is a further exploded view of the push suction cup, the first folding mechanism and related structures.

Fig. 5 is a schematic diagram of the structure of the flap forming machine under the conveying device.

Figure 6 is a schematic diagram of the delivery device.

Fig. 7 is a schematic diagram of the limit mechanism at the top of the packing box.

Fig. 8 is a schematic diagram of the process of unpacking and folding the packing box.

Detailed ways

  Refer to the attached picture. The utility model comprises:

The conveying device of the packing box after unpacking, the conveying device is provided with the conveying channel 100 of the packing case after unpacking; On both sides of the conveying channel 100, the conveying device is provided with a clamping mechanism for circular motion respectively, so The box clamping mechanisms on both sides of the conveying channel cooperate with each other to clamp the unpacked box from the side of the box;

In front of the conveying channel entrance 101, the folding forming machine is provided with a space-variable open-box forming area. A baffle plate 1 is provided in front of the billet entrance 201, the maximum width of the unpacking forming area corresponds to the wide side 310 of the packing box, and the baffle plate 1 blocks one of the narrow sides of the sheet-shaped blank in motion 320, the folding lid forming machine is provided with a displaceable unpacking work suction cup 2, the displacement direction D1 of the unpacking work suction cup 2 is perpendicular to the conveying direction L1 of the conveying device, and the displaceable unpacking work suction cup 2 is used Pulling the sheet-shaped box blank 300 into the unpacking forming area and cooperating with the box baffle plate 1, the packing box blank 300 is gradually unpacked into a box shape during the pulling-in process;

The folding cover forming machine is also provided with a pushing device, which is used to push the unpacked packing box into the conveying device, and the pushing device includes a pushing suction cup 3 and a motion mounting frame 4, and the motion mounting frame The moving direction L2 is parallel to the conveying direction L1 of the conveying device, and the push suction cup 3 is located on the upper part of the moving mounting frame 4;

Taking the direction in which the unpacking work sucker pulls in the sheet-shaped box blank as the forward direction, the pushing device and the conveying device are respectively located on the left and right sides of the unpacking forming area, and the unpacking working sucker 2 is located at the left and right sides of the unpacking forming area. front side;

Below the opening forming area, the folding forming machine is provided with a first folding area, and the folding forming machine is provided with a first folding mechanism and a second folding mechanism in the first folding area , the third folding mechanism;

The first folding mechanism is installed in the bottom of described motion installation frame 4, and the bottom sheet 321 of the rear side in the pushing device pushes packing box direction in the narrow side of the first folding mechanism corresponding packing box; The second folding cover The mechanism and the third folding mechanism are located below the entrance 101 of the conveying channel, and the second folding mechanism corresponds to the bottom sheet 322 on the front side in the direction in which the pushing device pushes the packing box in the narrow side of the packing box. , the third folding mechanism corresponds to the bottom sheet 311 on the inner side of the wide side of the packing box; the position of the third folding mechanism is at the first side of the second folding mechanism, and the first side The side where the inner bottom sheet 311 is located;

Taking the conveying direction of the conveying device as the forward direction, under the rear part of the conveying device, the folding and forming machine is provided with a second folding area, and the folding and forming machine is provided with a For the transition pad 5 of the folded sheet and the fourth folding mechanism, the fourth folding mechanism corresponds to the bottom sheet 312 on the outer side of the wide side of the packaging box;

Below the conveying device, after the second folding area, the folding forming machine is provided with a top cover area, in which a backing plate 6 for the bottom of the packing box and an upper top mechanism are provided, so that The top-up mechanism is used to insert the head of the outer bottom sheet 312 into the packing box; the top-up mechanism adopts the top piece 7 driven by the cylinder 71 .

Above the conveying device, the folding lid forming machine is provided with a top limit mechanism for the packing box, which is used to limit the upper part of the packing box when the packing box is acted by the lifting mechanism, so as to prevent the packing box from being lifted by the lifting mechanism. The jumping of the top affects the sealing effect of the folding lid.

The folding cover forming machine is provided with an out-of-box work sucker mounting bracket and its driving mechanism. The out-of-box work suction cup installation bracket includes a bracket arm 21 and a vertical mounting rod 22, and the out-of-box work suction cup 2 can be installed in a horizontally adjustable position. On the support arm, this can be achieved by mounting the out-of-box work suction cup 2 on the elongated hole 23 in the support arm 21, which is adjustable up and down on the vertical mounting rod 22, which can be achieved by placing the support arm 21 is connected to the casing 24, and the casing 24 is set on the vertical mounting rod 22, and then fixed with a screw 25 to realize that the vertical mounting rod is connected to the driving mechanism, and the folding lid forming machine is provided with a suction cup for unpacking The guide rail 26 that installs bracket motion, vertical installation bar 22 then is connected on the slide block 27 that cooperates with guide rail 26, and described slide block 27 is connected with chain, and the chain wheel of chain is connected with driving motor 28, and the direction of described guide rail 26 Parallel to the direction of displacement of the suction cup 2 for unpacking work. In fact, any mechanism that can adjust the position on a straight line can be applied to the mounting bracket of the suction cup for unpacking work to realize the above-mentioned horizontal and vertical position adjustments to adapt to packing boxes of different sizes.

The folding cover forming machine is provided with a push suction cup cylinder 31 and a motion mounting frame drive cylinder 41, the push suction cup 3 is installed on the push suction cup cylinder 31, and the push suction cup cylinder 31 is installed on the motion mounting frame 4, and the movement The driving cylinder 41 of the mounting frame 4 is installed on the first mounting frame 40 with adjustable position. In the same direction. The first installation frame 40 can be installed on the screw nut mechanism 42 as in this embodiment, so as to perform the position adjustment, and the reference numeral 39 is an operating handle connected with the screw rod. A guide bar 38 can be installed on the fixed frame 1000 of the folding cover forming machine, the first installation frame 40 is connected with the guide slider 37, the moving installation frame 4 is connected with the guide slider 36, and the guide sliders 36, 37 cooperate with the guide bar 38 .

The baffle plate 1 is arranged on the side where the conveying device of the sheet-shaped box blank entrance is located. Rotating auxiliary baffle plate 43, said auxiliary baffle plate 43 is mounted on a rotating mechanism 44 that is driven and reset by a spring.

In this embodiment, a second mounting frame 8 with adjustable position is provided on the lower part of the conveying device, and the conveying device, the second folding mechanism, the third folding mechanism, and the fourth folding mechanism are all installed on the second mounting frame 8. Above, the position adjustment direction of the second mounting frame is perpendicular to the conveying direction of the conveying device. Similarly, the second mounting frame 8 can be installed on the horizontal screw nut mechanism 81 as in this embodiment to perform the position adjustment , the position adjustment can be realized by driving the chain transmission mechanism 83 by the handle 82, and the screw rod is driven by the sprocket to rotate.

The first folding mechanism is provided with a driving cylinder 45 and a rotatable folding work piece 46, the second folding mechanism is provided with a driving cylinder 84 and a rotatable folding work piece 85, and the third folding mechanism is provided with a drive Cylinder 86 and rotatable folding cover work piece 87, the 4th cover cover mechanism are provided with drive cylinder 88 and rotatable cover cover work piece 89, and each drive cylinder is connected with the rotating shaft of each cover cover work piece by swingable connecting rod. 460, 850, 870, 890 are connected; the folding working parts 46, 85 of the first folding mechanism and the second folding mechanism are in the shape of arms perpendicular to their rotating shafts 460, 850, and their rotating shafts 460, 850 and The displacement direction D1 of the sucker 2 for unpacking work is parallel; the folding working parts 87, 89 of the third and fourth folding mechanisms are plate-shaped, and their rotating shafts 870, 890 are parallel to the conveying direction L1 of the conveying device.

The clamping mechanisms on both sides of the conveying channel are synchronous belts 90 whose belt surface is perpendicular to the horizontal plane, and the drive motor 34 is installed on the second mounting frame 8 .

At the outlet 102 of the delivery channel, the delivery device is provided with a door 92 driven by the cylinder 91; The position baffle 94 is driven to rotate by the cylinder, and the baffle 94 plays the role of guiding the movement of the packaging box and assisting the unpacking and forming during the unpacking forming process, so that the packaging box is easier to form. When the packing box is ready to enter the conveying channel 100, it is driven by the cylinder 91 to rotate and open the conveying channel.

The limiting mechanism at the top of the packaging box includes a limiting plate 95 corresponding to the width of the narrow side of the packaging box. The limiting plate 95 is installed on a height adjustment mechanism, such as a screw nut structure 96. The top of the packaging box The limit mechanism is also provided with a second limit plate 97 in the middle of the limit plate width direction, and the second limit plate 97 is driven up and down by the cylinder 98, so that the top limit mechanism of the present utility model can adapt to different packaging Different top sheet shapes for boxes.

Reference numeral 1000 is the fixed frame of the folding cover forming machine.

work process:

The sheet-shaped carton blank is sent to the sheet-shaped box blank entrance 201 through the front equipment, and the shape of the sheet-shaped carton is shown in Figure 8 (a), and the utility model starts to operate. The unpacking work suction cup 2 and its mounting bracket move forward under the action of the driving mechanism, the unpacking work suction cup 2 sucks the sheet-shaped box blank 300, and then moves backward to pull the sheet-shaped box blank 300 into the unpacking forming area , during the drawing-in process, the narrow side 320 of the sheet box blank 300 is blocked by the box baffle plate 1 and the rotation limit baffle plate 93 and gradually opens the box, forming the shape shown in Figure 8(b). The shapes of the packing boxes after Fig. 8(b) are all the shapes of the packing boxes after unpacking.

When the box is in place and the box is unpacked and formed, its narrow side 320 is facing the conveyor 100, and the suction cup 3 is pushed to hold the surface of the narrow side of the box. The third folding mechanism works, and the cylinder 86 drives the folding box. The cover work piece 87 is rotated and lifted, and the inner bottom sheet 311 is rotated 90° and folded to form a shape as shown in Figure 8(c). (c-1) in Figure 8 is the shape of the bottom of the packaging box at this time.

Then, the first folding mechanism and the second folding mechanism work, and the cylinders 45 and 84 work to drive the folding work parts 46 and 85 to rotate and lift, and the bottom sheets 321 and 322 on the narrow side of the packaging box are rotated by 90 degrees. ° folding mark to form the shape shown in Figure 8(d), and (d-1) in Figure 8 is the shape of the bottom of the packing box at this time.

Then, the cylinder of the pushing device works to push the packing box into the conveying channel 100, and there is a transition pad 5 under the folded cover of the packing box, and the packing box moves forward under the clamping of the synchronous belts on both sides. At this time, the cylinder 88 of the fourth cover folding mechanism works to drive the cover cover work piece 89 to rotate and lift up, and the outer bottom sheet 312 is rotated by 90° and folded to form a shape as shown in Figure 8 (e). e-1) is the shape of the bottom of the packing box at this time.

The packing box continues to move forward under the conveying of the conveying device, and when it hits the door 92, it temporarily stops. The top cylinder 71 works, drives the top piece 7 to go up, inserts the head of the outer bottom sheet 312 into the inside of the packaging box, and completes the last step of packaging box forming, forming a shape as shown in Figure 8(f). (f-1) in Fig. 8 is the bottom shape of the packaging box at this time.

Then door 92 is opened under the effect of cylinder 91, and packing box continues to move forward, output.

The above work process is carried out continuously and continuously.

Claims (10)

1. An automatic folding and forming machine for packing boxes, characterized in that it comprises: The conveying device of the packing box after unpacking, the conveying device is provided with the conveying channel of the packing case after unpacking; On both sides of the conveying channel, the conveying device is provided with a box clamping mechanism for circular motion respectively, and the conveying device The box clamping mechanisms on both sides of the channel cooperate with each other to clamp the unpacked box from the side of the box; Before the entrance of the conveying channel, the folding forming machine is provided with a space-variable open-box forming area, and the folding forming machine is provided with a sheet-shaped box blank entrance in the open-box forming area and at the sheet-shaped box blank entrance There is a baffle plate in the front, the maximum width of the unpacking forming area corresponds to the wide side of the packing box, the baffle plate blocks one of the narrow sides of the sheet-shaped blank in motion, and the folding cover is formed The machine is equipped with a displaceable unpacking work suction cup, whose displacement direction is perpendicular to the conveying direction of the conveying device, and the displaceable unpacking work suction cup is used to pull the sheet blank into the unpacking forming area and The baffle plate cooperates to gradually unpack the packing box blank into a box shape during the pulling-in process; The folding cover forming machine is also provided with a pushing device, which is used to push the unpacked packing box into the conveying device, and the pushing device includes a pushing suction cup and a moving mounting frame, and the moving direction of the moving mounting frame is Parallel to the conveying direction of the conveying device, the push suction cup is located on the upper part of the moving mounting frame; Taking the direction in which the unpacking work sucker pulls in the sheet blank as the forward direction, the pushing device and the conveying device are respectively located on the left and right sides of the unpacking forming area, and the unpacking working sucker is located in front of the unpacking forming area side; Below the opening forming area, the folding forming machine is provided with a first folding area, and the folding forming machine is provided with a first folding mechanism and a second folding mechanism in the first folding area , the third folding mechanism; The first folding mechanism is installed on the bottom of the moving mounting frame, and the first folding mechanism corresponds to the bottom sheet on the rear side in the direction that the pushing device pushes the packaging box in the narrow side of the packaging box; the second folding mechanism, The third folding mechanism is located below the entrance of the conveying channel, and the second folding mechanism corresponds to the bottom sheet on the front side in the direction in which the pushing device pushes the packaging box on the narrow side of the packaging box. The three-fold cover mechanism corresponds to the bottom sheet on the inner side of the wide side of the packaging box; the position of the third cover-fold mechanism is at the first side of the second cover-fold mechanism, and the first side is the inner bottom the side on which the sheet is located; Taking the conveying direction of the conveying device as the forward direction, under the rear part of the conveying device, the folding and forming machine is provided with a second folding area, and the folding and forming machine is provided with a For the transition backing plate of the folded sheet and the fourth folding mechanism, the fourth folding mechanism corresponds to the bottom sheet on the outer side of the wide side of the packaging box; Below the conveying device, after the second folding area, the folding forming machine is provided with a top cover area, in which a backing plate for the bottom of the packing box and an upper top mechanism are provided, the The top-up mechanism is used to stuff the head of the outer bottom sheet into the inside of the packing box; Above the conveying device, the folding lid forming machine is provided with a top limit mechanism of the packing box, which is used to limit the upper part of the packing box when the packing box is acted by the top mechanism. 2. A packing box automatic folding lid forming machine as claimed in claim 1, characterized in that said folding lid forming machine is provided with an unpacking work sucker mounting bracket and its driving mechanism, and said unpacking work suction cup mounting bracket includes A bracket arm and a vertical installation rod, the out-of-box work suction cup can be installed on the bracket arm in a horizontally adjustable position, the bracket arm can be adjusted up and down on the vertical installation rod, and the vertical installation rod is connected to the drive mechanism, The folding cover forming machine is provided with a guide rail for moving the mounting bracket of the suction cup for unpacking work, and the direction of the guide rail is parallel to the displacement direction of the suction cup for unpacking work. 3. A packaging box automatic folding lid forming machine as claimed in claim 1, characterized in that the folding lid forming machine is provided with a push suction cup cylinder and a moving mounting frame driving cylinder, and the push suction cup is installed on the push suction cup cylinder , the push suction cup cylinder is installed on a moving mounting frame, and the moving mounting frame driving cylinder is installed on a position-adjustable first mounting frame, the working direction of the pushing suction cup cylinder, the working direction of the moving mounting frame driving the cylinder, The position adjustment directions of the first mounting brackets are in the same direction. 4. A packaging box automatic folding lid forming machine according to claim 1, characterized in that said box blocking plate is arranged on the side where the conveying device of the sheet box blank entrance is located. 5. A packaging box automatic folding cover forming machine according to claim 3, characterized in that the box blocking plate is arranged on the side where the conveying device of the sheet box blank entrance is located, and the first mounting frame is on the On the opposite side of the baffle plate at the sheet-shaped blank entrance, there is also a rotatable auxiliary baffle plate, and the auxiliary baffle plate is mounted on a rotating mechanism that is driven and reset by a spring. 6. A packaging box automatic folding cover forming machine as claimed in claim 1, characterized in that it is provided with a second installation frame with adjustable position at the bottom of the conveying device, the conveying device, the second folding mechanism, Both the third cover folding mechanism and the fourth cover folding mechanism are installed on the second mounting frame, and the position adjustment direction of the second mounting frame is perpendicular to the conveying direction of the conveying device. 7. A packaging box automatic folding forming machine according to claim 1, characterized in that the first folding mechanism, the second folding mechanism, the third folding mechanism, and the fourth folding mechanism are all equipped with Drive the cylinder and the rotatable folding work piece, the drive cylinder is connected with the rotating shaft of the folding work piece through a swingable connecting rod; the folding work pieces of the first folding mechanism and the second folding mechanism are perpendicular to The arm shape of its rotating shaft, its rotating shaft is parallel to the displacement direction of the sucker for unpacking work; parallel. 8. A packaging box automatic folding lid forming machine according to claim 1, characterized in that the box clamping mechanisms on both sides of the conveying channel are timing belts whose belt surface is perpendicular to the horizontal plane. 9. A packing box automatic folding lid forming machine as claimed in claim 1, characterized in that at the outlet of the conveying channel, the conveying device is provided with a door driven by a cylinder; at the entrance of the conveying channel, The conveying device is provided with a limit baffle for the packing box, and the limit baffle is driven to rotate by an air cylinder. 10. A packaging box automatic folding cover forming machine according to claim 1, characterized in that the top limiting mechanism of the packaging box includes a limiting plate corresponding to the width of the narrow side of the packaging box, and the limiting The plate is installed on the height adjustment mechanism, and the limit mechanism on the top of the packaging box is also provided with a second limit plate in the middle of the width direction of the limit plate, and the second limit plate is driven up and down by the cylinder.

Images