A cover buckle device for a side-opening packaging box

Abstract

The present invention discloses a lid-locking device for a side-opening packaging box, comprising: a frame, on which is provided a lid-locking platform, a bottom suction cup, a packaging box positioning and clamping device, and a box removal and transfer device; a lid-pushing device, a lid-pressing device, a lid-blocking device, and a lid-tongue expanding device; the lid-pushing device comprises a push plate, and first and second pushing guide plates respectively arranged at the upper and lower ends of the push plate; the lid-pressing device comprises a pressure rod capable of three-dimensional movement; the lid-blocking device comprises a right-angle plate capable of three-dimensional movement; and the lid-tongue expanding device comprises an expanding lifting cylinder vertically arranged on the frame, the piston rod of the expanding lifting cylinder being provided with an expanding suction cup cylinder, and the piston rod of the expanding suction cup cylinder being provided with an expanding suction cup. The lid-locking device of the present invention can automatically close the buckle and close the large and small lids, thereby achieving automatic sealing of the side-opening packaging box.

Description

Technical Field

[0001] The present invention relates to the glove packaging industry, and in particular to a cover-fastening device for sealing a box opening of a side-opening packaging box. Background Art

[0002] As we all know, most glove packaging boxes are open on both sides. Currently, in the process of glove packaging, most of them are packed manually, and there is no fast and accurate cover device that can automatically seal the box openings. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a cover-fastening device for a side-opening packaging box which can quickly and accurately realize automatic sealing of the box opening.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: a cover-closing device for a side-opening packaging box, comprising: a frame, a cover-closing platform for closing the packaging box, a bottom suction cup inserted in the cover-closing platform, and a packaging box positioning and clamping device and a box-taking and transporting device cooperating with the cover-closing platform are provided on the frame; a cover-pushing and box-entering device cooperating with the cover-closing platform, a box cover pressing device, a box cover blocking device and a box cover tongue expanding device cooperating with the cover-pushing and box-entering device are also provided on the frame; the box-taking and transporting device comprises: a transport linear module mounting plate, and a transport linear module arranged on the transport linear module mounting plate, The transfer linear module is provided with a vertically arranged box-taking electric cylinder through the box-taking electric cylinder mounting plate, a box-taking mounting seat is provided on the driving rod of the box-taking electric cylinder, a box-taking pressure plate and at least two box-taking suction cups arranged along the length direction of the packaging box are provided on the box-taking suction cups are passed through the box-taking pressure plate; the cover-pushing and box-introducing device comprises: a cover-pushing linear module vertically arranged on the frame, a cover-pushing electric cylinder is provided on the slider of the cover-pushing linear module, a push plate is provided on the push rod of the cover-pushing electric cylinder, the upper end of the push plate is provided with a first pushing guide plate that cooperates with the folding edge of the inner cover of the packaging box, and the lower end of the push plate is provided with a second pushing guide plate that cooperates with the tongue of the outer cover of the packaging box Plate; the box cover pressing device includes: a pressure rod arranged horizontally and perpendicular to the arrangement direction of the electric cylinder for pushing the cover, the frame is provided with a pressure rod Y-direction linear module parallel to the electric cylinder for pushing the cover, the slider of the pressure rod Y-direction linear module is provided with a pressure rod Z-direction linear module through the pressure rod Z-direction module connecting plate, the slider of the pressure rod Z-direction linear module is provided with a pressure rod X-direction linear module through the pressure rod X-direction module connecting plate, and the pressure rod is provided on the slider of the pressure rod X-direction linear module through the pressure rod vertical plate; the box cover blocking device includes: a pair of horizontally arranged right-angle baffles, the right-angle baffle includes: a blocking support part and a blocking part laterally connected to the blocking support part, the blocking part and the The pressure rod is parallel to the frame, and a baffle Y-direction linear module is provided which is parallel to the electric cylinder for pushing the cover. The slider of the baffle Y-direction linear module is provided with a baffle Z-direction linear module through the baffle Z-direction module connecting plate. The slider of the baffle Z-direction linear module is provided with a double-slider linear motor through a linear motor mounting seat. A pair of blocking support parts of a right-angle baffle are provided on the corresponding sliders of the double-slider linear motor through baffle columns; the box cover tongue expanding device comprises: an expanding lifting cylinder arranged on the frame in a vertical direction, an expanding suction cup cylinder is provided on the piston rod of the expanding lifting cylinder, and an expanding suction cup is provided on the piston rod of the expanding suction cup cylinder through an expanding suction cup base.

[0005] As a preferred solution, in the described cover snapping device for a side-opening packaging box, the packaging box positioning and clamping device includes: a linear module with two sliders of positive and negative teeth arranged on a frame, and clamping frames are respectively provided on the two sliders of the linear module with two sliders of positive and negative teeth.

[0006] As a preferred solution, in the described cover-closing device for a side-opening packaging box, the described clamping frame includes: a bottom beam, and a pair of clamping mounting columns arranged at both ends of the bottom beam, the inner side of the clamping mounting columns is provided with clamping blocks that cooperate with the cover-closing platform, and a twist box aisle is formed between the clamping blocks on the same side; corresponding to the twist box aisle, the corresponding side of the box-taking pressure plate is provided with an avoidance notch at one end close to the push plate and an avoidance slot at the other end, so that the corresponding side of the box-taking pressure plate between the avoidance notch and the avoidance slot corresponds to the twist box aisle on the same side, and the corresponding side of the box-taking pressure plate outside the avoidance slot corresponds to the edge of the top surface of the packaging box.

[0007] As a preferred solution, in the cover snapping device of the side-opening packaging box, arc-shaped chamfers are provided on the outer sides of the ends of the blocking portions of the pair of right-angle baffles.

[0008] As a preferred solution, in the cover-closing device of the side-opening packaging box, the specific installation structure of the expanding suction cup cylinder includes: a suction cup cylinder mounting seat arranged on the piston rod of the expanding lifting cylinder, and the expanding suction cup cylinder is arranged on the suction cup cylinder mounting seat.

[0009] As a preferred solution, in the cover-fastening device for the side-opening packaging box, a limiting washer is sleeved on the piston rod of the expanding suction cup cylinder.

[0010] As a preferred solution, in the cover snapping device of the side-opening packaging box, the suction cup cylinder mounting seat includes: a suction cup cylinder mounting plate, and a suction cup cylinder supporting plate which is adjustably arranged on the suction cup cylinder mounting plate.

[0011] As a preferred solution, in the cover snapping device of the side-opening packaging box, the box taking-out mounting seat includes: a box taking-out mounting plate, and a box taking-out support plate which is adjustably arranged on the box taking-out mounting plate relative to the box taking-out mounting plate, and the box taking-out pressure plate and the box taking-out suction cup are both arranged on the box taking-out support plate.

[0012] The beneficial effects of the present invention are:

[0013] 1. The present invention achieves the purpose of quickly and accurately sealing the box opening by arranging a cover-locking platform, a bottom suction cup, a packaging box positioning and clamping device coordinated with the cover-locking platform, a box taking and transferring device, a cover-pushing and box-entering device, and a box cover pressing device coordinated with the cover-pushing and box-entering device, a box cover blocking device and a box cover tongue expanding device, thereby greatly reducing labor intensity and labor costs.

[0014] 2. The packaging box positioning and clamping device of the present invention adopts a linear module with positive and negative teeth and double sliders, which simplifies the structure, facilitates installation, and improves installation efficiency.

[0015] 3. The clamping frame of the present invention forms a twist box aisle by arranging a pair of clamping mounting columns and arranging clamping blocks on the clamping mounting columns. In this way, the box-taking pressure plate can form an avoidance notch and an avoidance slot on its corresponding side so that the protruding part between the avoidance notch and the avoidance slot on the corresponding side corresponds to the twist box aisle on the same side, and the part of the corresponding side of the box-taking pressure plate outside the avoidance slot corresponds to the edge of the top surface of the packaging box. The protruding part of the box-taking pressure plate can freely enter and exit the twist box aisle, ensuring the normal twisting of the box and ensuring reliable contact between the bottom surface of the packaging box and the bottom suction cup; in addition, the part of the corresponding side of the box-taking pressure plate outside the avoidance slot ensures that the edge of the box-taking pressure plate is in full contact with the edge of the corresponding box opening of the packaging box, so that the box opening is basically not deformed during the sealing process, which greatly facilitates the smooth insertion of the large and small covers into the box opening to complete the sealing.

[0016] 4. The present invention provides arc chamfers on the outer sides of the ends of the blocking portions of a pair of right-angled baffles, thereby preventing the large and small box covers from being punctured during blocking.

[0017] 5. The present invention shortens the stroke of the piston rod of the expanding suction cup cylinder by sleeve-arranging a limiting washer on the piston rod of the expanding cylinder, so that the expanding suction cup cylinder opens the gap on the packaging box for inserting the tongue on the outer cover to an appropriate size without damaging the box opening.

[0018] 6. The present invention provides a split structure for the box taking mounting base, so that the box taking support plate can be adjusted relative to the box taking mounting plate during installation, so that the flared suction cup is adapted to the box buckle platform, thereby ensuring the smooth operation of the entire cover buckle device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the cover buckle device of the side-opening packaging box of the present invention.

[0020] Figure 2 yes Figure 1 Schematic diagram of the rear view structure.

[0021] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of part A.

[0022] Figures 4 to 6 It is a schematic diagram of the three-dimensional structure of the cover buckle device of the side-opening packaging box of the present invention.

[0023] Figure 7 It is a structural diagram of the box taking pressure plate.

[0024] Figure 8 yes Figure 5 Schematic diagram of the enlarged structure of part B.

[0025] Figures 1 to 8 1. Buckle cover mounting base, 11. Buckle cover mounting bracket, 100. Buckle cover platform, 101. Bottom suction cup, 2. Take box electric cylinder, 20. Take box electric cylinder mounting plate, 21. Transfer linear module, 22. Transfer linear module mounting plate, 23. Transfer mounting beam, 24. Take box mounting plate, 25. Take box support plate, 26. Take box pressure plate, 261. Countersunk mounting through hole, 262. Suction cup mounting through hole, 263. Avoid Make a gap, 264, avoid the notch, 265, the first protruding part, 266, the second protruding part, 27, take the box suction cup, 3, push the cover with an electric cylinder, 30, push the plate with an electric cylinder mounting plate, 32, push the plate, 33, the first push guide plate, 34, the second push guide plate, 36, push the cover linear module, 360, push the cover with a vertical plate, 361, slider, 4, pressure rod, 41, pressure rod vertical plate, 43, pressure rod X-axis linear module, 431, slider, 4 4. Pressure rod Y-axis linear module, 440, pressure rod Z-axis module connecting plate, 441, slider, 45, pressure rod Z-axis linear module, 450, pressure rod X-axis module connecting plate, 451, slider, 5, right-angle baffle, 52, baffle column, 501, blocking support part, 502, blocking part, 5021, arc chamfer, 53, double slider linear motor, 530, baffle base, 531, slider, 54, baffle Y-axis linear module, 540, Baffle Z-axis module connecting plate, 541, slider, 55, baffle Z-axis linear module, 550, linear motor mounting seat, 551, slider, 6, flared suction cup, 60, flared lifting cylinder, 61, flared suction cup base, 62, limit washer, 63, flared suction cup cylinder, 64, suction cup cylinder support plate, 65, suction cup cylinder mounting plate, 7, clamping block, 70, bottom beam, 700, clamping mounting column, 71, positive and negative tooth double slider linear module.

[0026] Figures 9 to 36 It is a state schematic diagram of the working process of the present invention. DETAILED DESCRIPTION

[0027] The following describes in detail a specific embodiment of the cover buckle device for a side-opening packaging box according to the present invention in conjunction with the accompanying drawings.

[0028] like Figure 1 、 Figure 2 、 Figures 4 to 6As shown, the present invention relates to a cover-fastening device for a side-opening packaging box, comprising: a frame (which belongs to the conventional technology in this field and is not shown in the figure) and a cover-fastening base plate 1 arranged on the frame, a cover-fastening platform 100 for fastening the packaging box cover is provided on the cover-fastening base plate 1 through a cover-fastening bracket 11, a pair of bottom suction cups 101 arranged in the cover-fastening platform 100 along the length direction of the packaging box, a packaging box positioning and clamping device, a box-taking and transporting device and a cover-pushing device for inserting the cover into the box, and a box cover pressing device, a box cover blocking device and a box cover tongue expanding device coordinated with the cover-pushing device for inserting the cover into the box; the box-taking and transporting device comprises: a transport installation beam 23 arranged on the frame, a The transfer linear module mounting plate 22 on the transfer mounting crossbeam 23, and the transfer linear module 21 arranged on the transfer linear module mounting plate 22, the transfer linear module 21 is provided with a vertically arranged box-taking electric cylinder 2 through the box-taking electric cylinder mounting plate 20, and a box-taking mounting seat is provided on the driving rod of the box-taking electric cylinder 2, and the box-taking mounting seat includes: a box-taking mounting plate 24 provided on the driving rod of the box-taking electric cylinder 2, and a box-taking support plate 25 which is adjustable in relative position on the box-taking mounting plate 24 (specifically, it can be adjusted by means of waist-round holes, etc., which belongs to the conventional technology in this field and will not be described in detail here), and a box-taking pressure plate 26 and two box-taking suction cups 27 arranged along the length direction of the packaging box are provided on the box-taking support plate 25, as shown in FIG. Figure 6As shown, the specific installation method of the box taking pressure plate 26 is as follows: two countersunk mounting through holes 261 are opened upward on the bottom surface of the box taking pressure plate 26, countersunk screws are selected to pass through the countersunk mounting through holes 261 on the box taking pressure plate 26 and are set in the corresponding threaded holes on the box taking support plate 25 (this belongs to the conventional technology in this field and will not be described in detail here). The box taking pressure plate 26 is also provided with a suction cup mounting through hole 262 that matches the box taking suction cup 27. The box taking suction cup 27 is inserted through the corresponding suction cup mounting through hole 262 on the box taking pressure plate 26. 62; The device for pushing the cover into the box comprises: an electric cylinder for pushing the cover 3, a linear module for pushing the cover 36 vertically arranged on the bottom plate 1 for mounting the buckle cover, a vertical plate 360 ​​for pushing the cover is provided on the slider 361 of the linear module 36, the electric cylinder for pushing the cover 3 is arranged on the vertical plate 360 ​​for pushing the cover through the electric cylinder mounting plate 30 for pushing the cover, a push plate 32 is provided on the push rod of the electric cylinder for pushing the cover 3, the upper end of the push plate 32 is provided with a first pushing guide plate 33 that matches the folding edge of the inner cover of the packaging box, and the lower end of the push plate 32 is provided with a tongue that matches the tongue of the outer cover of the packaging box. The second pushing guide plate 34 cooperates; the box cover pressing device includes: a pressure rod 4 arranged horizontally and perpendicular to the arrangement direction of the electric cylinder 3 for pushing the cover, a pressure rod Y-direction linear module 44 parallel to the electric cylinder 3 for pushing the cover is provided on the cover mounting base 1, a slider 441 of the pressure rod Y-direction linear module 44 is provided with a pressure rod Z-direction linear module 45 through a pressure rod Z-direction module connecting plate 440, a slider 451 of the pressure rod Z-direction linear module 45 is provided with a pressure rod X-direction linear module 43 through a pressure rod X-direction module connecting plate 450, and a pressure rod X-direction linear module The slider 431 of the line module 43 is provided with a pressure rod upright plate 41, and the pressure rod 4 is provided at the top of the pressure rod upright plate 41 (it belongs to the conventional technology in this field and will not be described in detail here); the box cover blocking device includes: a pair of horizontally arranged right-angle baffles 5, the specific structure of the right-angle baffle 5 includes: a blocking support portion 501, and a blocking portion 502 vertically connected to the blocking support portion 501, and the blocking portion 502 is parallel to the pressure rod 4, and the outer side of the end of the blocking portion 502 is provided with an arc chamfer 5021 (see Figure 8As shown), the buckle cover mounting base plate 1 is provided with a baffle Y-direction linear module 54 parallel to the electric cylinder 3 for pushing the cover, the slider 541 of the baffle Y-direction linear module 54 is provided with a baffle Z-direction linear module 55 through the baffle Z-direction module connecting plate 540, the slider 551 of the baffle Z-direction linear module 55 is provided with a double-slider linear motor 53 through a linear motor mounting seat 550, and the sliders 531 on both sides of the double-slider linear motor 53 are respectively provided with baffle bases 530, and a pair of blocking support parts 501 of the right-angle baffle 5 are respectively provided on the corresponding baffles through the baffle columns 52. On the plate base 530; the packaging box positioning and clamping device includes: a positive and negative tooth double slider linear module 71 arranged on the buckle cover mounting bracket 11, and a clamping frame is respectively provided on the two sliders of the positive and negative tooth double slider linear module 71, and the clamping frame includes: a bottom beam 70 arranged on the corresponding slider of the positive and negative tooth double slider linear module 71, and a pair of clamping mounting columns 700 arranged at both ends of the bottom beam 70, and a clamping block 7 that cooperates with the buckle cover platform 100 is provided on the inner side of the clamping mounting column 700, and a twist box aisle is formed between the clamping blocks 7 on the same side; correspondingly, Figure 7 As shown, the corresponding side of the box-taking pressure plate 26 is provided with an avoidance gap 263 at one end close to the push plate 32 and an avoidance slot 264 at the other end, so that the first protruding portion 265 between the avoidance gap 263 and the avoidance slot 264 on the corresponding side of the box-taking pressure plate 26 corresponds to the twist box aisle on the same side, and the second protruding portion 266 outside the avoidance slot 264 on the corresponding side of the box-taking pressure plate 26 corresponds to the edge of the top surface of the packaging box; the box cover tongue expanding device includes: an expanding suction cup 6, and an expanding lifting cylinder 60 arranged on the buckle cover mounting base 1, and an expanding suction cup cylinder 63 is provided on the piston rod of the expanding lifting cylinder 60 through a suction cup cylinder mounting seat. The cylinder mounting seat includes: a suction cup cylinder mounting plate 65, and a suction cup cylinder support plate 64 which is adjustably arranged on the suction cup cylinder mounting plate 65 (specifically, it can be adjusted by means of waist-round holes, etc., which is a conventional technology in this field and will not be described in detail here). The suction cup cylinder mounting plate 65 is arranged on the piston rod of the flaring lifting cylinder 60, and the flaring suction cup cylinder 63 is arranged on the suction cup cylinder support plate 64. The piston rod of the flaring suction cup cylinder 63 is provided with a limiting washer 62 and is connected to the flaring suction cup base 61. The top of the flaring suction cup base 61 is connected to the flaring suction cup 6, and the side of the flaring suction cup base 61 is connected to the vacuum pipeline (which is a conventional technology in this field and will not be described in detail here).

[0029] The working process of the cover buckle device of the present invention is as follows:

[0030] 1. Transfer the packaging box to the top of the buckle box platform 100 (see Figure 9 Then, place the packaging box on the buckle box platform 100 (see Figure 10As shown), the bottom suction cup 101 sucks the packaging box;

[0031] 2. Open the box and twist it to a certain angle (see Figure 11 、 Figure 12 and Figure 13 As shown, Figure 11 (This is the view from the rear);

[0032] 3. Push the two buckles inward to the appropriate position with the two right-angle baffles 5 (see Figure 14 shown);

[0033] 4. Turn the box back to the correct angle so that the two buckles are locked together (see Figures 15 to 17 shown);

[0034] 5. Buckle the large cover (inner cover): Place the right-angle baffle 5 in the appropriate position on the upper part of the box opening (see Figure 18 Then use the pressure rod 4 to push the large cover to a certain angle (see Figure 19 Then push the push plate 32 to a suitable position so that the first push guide plate on the push plate 32 just bends the folding edge of the large cover (see Figure 20 Then remove the pressure rod 4 and the right-angle baffle 5 (see Figure 21 As shown); the push plate 32 pushes the large cover into the gap at the upper part of the box opening (see Figure 22 、 Figure 23 Then, block the right-angle baffle 5 on both sides of the large cover (see Figure 24 As shown), withdraw the push plate 32 (at the same time withdraw the first push guide plate 33 from the gap at the upper part of the box opening, see Figure 25 shown);

[0035] 6. Buckle the small cover (outer cover): Place the right-angle baffle 5 in the appropriate position at the bottom of the box opening (see Figure 26 and Figure 27 and push the small cover to a certain angle (see Figure 28 、 Figure 29 Then push the push plate 32 to the appropriate position, bend the tongue of the small cover (see Figure 30 Then, the piston rod of the flaring lifting cylinder 60 and the piston rod of the flaring suction cup cylinder 63 are extended to open the negative pressure, so that the flaring suction cup 6 is sucked onto the bottom surface of the packaging box, and then the piston rod of the flaring suction cup cylinder 63 is retracted. The stroke of the flaring suction cup cylinder 63 (set by the limit washer 62) is usually controlled between 1-2 mm. In this way, the small gap at the bottom of the packaging box opening will open a larger gap, so that the second push guide plate 34 and the small tongue can be inserted into it (see Figure 31 、 Figure 32 Then, remove the pressure rod 4 and the right-angle baffle 5 (see Figure 33Then push the push plate 32 forward, and insert the second push guide plate 34 into the small slit together with the small tongue (see Figure 32 Then, the blocking portion 502 of the right-angle baffle 5 is used to press the two sides of the small cover to prevent the small cover from being taken out when the second push guide plate 34 is pulled out (see Figure 35 Then withdraw the push plate 32 (while withdrawing the second push guide plate 34 from the small slit of the box opening, see Figure 36 At this point, the opening on one side of the packaging box is sealed.

[0036] In summary, the above is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. All equivalent changes and modifications made in accordance with the shape, structure, characteristics and spirit described in the scope of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A cover snapping device for a side-opening packaging box, comprising: The frame is provided with a cover-fastening platform for packaging box cover, a bottom suction cup inserted in the cover-fastening platform, and a packaging box positioning and clamping device and a box-taking and transporting device cooperating with the cover-fastening platform; it is characterized in that: the frame is also provided with a cover-pushing and box-entering device cooperating with the cover-fastening platform, and a box cover pressing device, a box cover blocking device and a box cover tongue expanding device cooperating with the cover-fastening and box-entering device; the box-taking and transporting device comprises: a transport linear module mounting plate, and a transport linear module arranged on the transport linear module mounting plate, the transport linear module is provided with a vertically arranged box-taking electric cylinder through the box-taking electric cylinder mounting plate, the driving rod of the box-taking electric cylinder is provided with a box-taking mounting seat, and the box-taking mounting seat is provided with a box-taking mounting seat. A box taking pressure plate and at least two box taking suction cups arranged along the length direction of the packaging box are provided, and the box taking suction cups are passed through the box taking pressure plate; the cover pushing and box feeding device comprises: a cover pushing linear module vertically arranged on the frame, a cover pushing electric cylinder is provided on the slider of the cover pushing linear module, a push plate is provided on the push rod of the cover pushing electric cylinder, the upper end of the push plate is provided with a first pushing guide plate matched with the folding edge of the inner cover of the packaging box, and the lower end of the push plate is provided with a second pushing guide plate matched with the tongue of the outer cover of the packaging box; the box cover pressing device comprises: a pressure rod arranged horizontally and perpendicular to the arrangement direction of the cover pushing electric cylinder, a pressure rod Y-direction linear module parallel to the cover pushing electric cylinder is provided on the frame, and the slider of the pressure rod Y-direction linear module is passed through The pressure rod Z-direction module connecting plate is provided with a pressure rod Z-direction linear module, and the slider of the pressure rod Z-direction linear module is provided with a pressure rod X-direction linear module through the pressure rod X-direction module connecting plate, and the pressure rod is provided on the slider of the pressure rod X-direction linear module through the pressure rod vertical plate; the box cover blocking device includes: a pair of horizontally arranged right-angle baffles, the right-angle baffle includes: a blocking support part and a blocking part laterally connected to the blocking support part, the blocking part is parallel to the pressure rod, and the frame is provided with a baffle Y-direction linear module parallel to the electric cylinder for pushing the cover, the slider of the baffle Y-direction linear module is provided with a baffle Z-direction linear module through the baffle Z-direction module connecting plate, and the slider of the baffle Z-direction linear module is provided with a double-slider linear motor through the linear motor mounting seat. Machine, a pair of right-angle baffle blocking support parts are arranged on the corresponding sliders of the double-slider linear motor through the baffle columns; the box cover tongue expanding device includes: an expanding lifting cylinder arranged on the frame in the vertical direction, and an expanding suction cup cylinder is arranged on the piston rod of the expanding lifting cylinder, and an expanding suction cup is arranged on the piston rod of the expanding suction cup cylinder through the expanding suction cup base; the packaging box positioning and clamping device includes: a positive and negative tooth double-slider linear module arranged on the frame, and a clamping frame is respectively provided on the two sliders of the positive and negative tooth double-slider linear module; the mounting structure of the expanding suction cup cylinder includes: a suction cup cylinder mounting seat arranged on the piston rod of the expanding lifting cylinder, and the expanding suction cup cylinder is arranged on the suction cup cylinder mounting seat.

2. The cover snapping device for a side-opening packaging box according to claim 1, characterized in that: The clamping frame includes: a bottom beam, and a pair of clamping mounting columns arranged at both ends of the bottom beam, a clamping block cooperating with the cover buckle platform is arranged on the inner side of the clamping mounting column, and a twist box aisle is formed between the clamping blocks on the same side; corresponding to the twist box aisle, the corresponding side of the box-taking pressure plate is provided with an avoidance gap at one end close to the push plate and an avoidance slot at the other end, so that the corresponding side of the box-taking pressure plate between the avoidance gap and the avoidance slot corresponds to the twist box aisle on the same side, and the corresponding side of the box-taking pressure plate outside the avoidance slot corresponds to the edge of the top surface of the packaging box.

3. The cover snapping device for a side-opening packaging box according to claim 1, characterized in that: The outer sides of the ends of the blocking portions of the pair of right-angle baffles are both provided with arc chamfers.

4. The cover snapping device for a side-opening packaging box according to claim 1, characterized in that: A limiting washer is sleeved on the piston rod of the flared suction cup cylinder.

5. The cover snapping device for a side-opening packaging box according to claim 4, characterized in that: The suction cup cylinder mounting seat comprises: a suction cup cylinder mounting plate and a suction cup cylinder supporting plate which is adjustably arranged on the suction cup cylinder mounting plate.

6. The cover snapping device for a side-opening packaging box according to claim 5, characterized in that: The box taking mounting seat comprises: a box taking mounting plate and a box taking support plate which is adjustably arranged on the box taking mounting plate. The box taking pressure plate and the box taking suction cup are both arranged on the box taking support plate.

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