Cover fastening device of side-opening packaging box

Abstract

A cover fastening device of a side-opening packaging box, comprising: a rack, wherein the rack is provided with a cover fastening platform (100), a bottom surface suction cup (101), a packaging box positioning and clamping device, and a box taking and transferring device. The rack is further provided with a cover-pushing-in-box device, a box cover pressing device, a box cover blocking device and a box cover tongue expansion device. The box taking and transferring device comprises: a transfer linear module (21), wherein the transfer linear module (21) is provided with a vertically arranged box taking electric cylinder (2), a box taking mounting base is arranged on a driving rod of the box taking electric cylinder (2), a box taking pressing plate (26) and at least two box taking suction cups (27) arranged in the length direction of the packaging box are arranged on the box taking mounting base, and the box taking suction cups (27) can penetrate through the box taking pressing plate (26). The cover-pushing-in-box device comprises: a push plate (32), and first and second push guiding plates (33, 34) correspondingly arranged at the upper and lower ends of the push plate (32). The box cover pressing device comprises a pressing rod (4) capable of moving in three dimensions. The box cover blocking device comprises a right-angle baffle (5) capable of moving in three dimensions. The box cover tongue expansion device comprises: an expansion lifting / lowering air cylinder (60) arranged on the rack in the vertical direction, an expansion suction cup air cylinder (63) is arranged on a piston rod of the expansion lifting / lowering air cylinder (60), and an expansion suction cup (6) is arranged on a piston rod of the expansion suction cup air cylinder (63). The cover fastening device can automatically close a clip to close a larger cover and a smaller cover, and automatic sealing of a box opening of a side-opening packaging box is achieved.

Description

A cover buckle device for a side-opening packaging box Technical Field

[0001] The present disclosure relates to the glove packaging industry, and in particular to a cover snapping 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 disclosure is to provide a cover-fastening device for a side-opening packaging box that can quickly and accurately achieve 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 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; the frame is also provided with a cover-pushing device cooperating with the cover-closing platform, and a box cover pressing device, a box cover blocking device and a box cover tongue expanding device cooperating with the cover-pushing 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 box-picking device is a box-picking device comprising a linear module for pushing the cover, a linear module for pushing the cover, a push rod for pushing the cover, a push plate for pushing the cover, and a push rod for pushing the cover. 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. Toward 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] In one embodiment, in the described cover-fastening 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] In one embodiment, 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, a clamping block cooperating with the cover-closing platform is provided on the inner side of the clamping mounting columns, and a twist box aisle is formed between the clamping blocks on the same side; correspondingly, 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 is provided at the other end of the box-taking pressure plate, 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] In one embodiment, in the cover-locking device for a side-opening packaging box, arc-shaped chamfers are provided on the outer sides of the ends of the blocking portions of a pair of right-angle baffles.

[0008] In one embodiment, 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] In one embodiment, in the cover-fastening device for the side-opening packaging box, a limiting washer is sleeved on the piston rod of the expansion suction cup cylinder.

[0010] In one embodiment, in the cover-fastening 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] In one embodiment, in the cover snapping device of a 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 adjustable in relative position on the box taking-out mounting plate, and the box taking-out pressing plate and the box taking-out suction cup are both arranged on the box taking-out support plate.

[0012] In order to solve the above technical problems, another technical solution adopted by the present disclosure is:

[0013] A cover-closing device for a side-opening packaging box comprises: a frame, a cover-closing platform for closing the packaging box, a bottom suction cup inserted into the cover-closing platform, a packaging box positioning and clamping device and a box removal and transfer device cooperating with the cover-closing platform,

[0014] The box picking and transporting device includes: 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 picking electric cylinder through the box picking electric cylinder mounting plate. A box picking mounting seat is provided on the driving rod of the box picking electric cylinder. A box picking pressure plate and at least two box picking suction cups arranged along the length direction of the packaging box are provided on the box picking mounting seat. The box picking suction cups are passed through the box picking pressure plate.

[0015] In one embodiment, the frame is further provided with a cover-pushing and box-introducing device that cooperates with the cover-locking platform.

[0016] The cover-pushing and box-introducing device includes: a cover-pushing linear module vertically arranged on the frame, a cover-pushing electric cylinder is arranged on the slider of the cover-pushing linear module, a push plate is arranged 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 folded 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.

[0017] In one embodiment, the frame is further provided with a box cover pressing device.

[0018] 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, a pressure rod Y-direction linear module parallel to the electric cylinder for pushing the cover is provided on the frame, the slider of the pressure rod Y-direction linear module is provided with a pressure rod Z-direction linear module through a 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 a 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 a pressure rod vertical plate.

[0019] In one embodiment, the frame is further provided with a box cover blocking device.

[0020] 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, the slider of the baffle Z-direction linear module is provided with a double-slider linear motor through a linear motor mounting seat, and the blocking support parts of a pair of right-angle baffles are provided on the corresponding sliders of the double-slider linear motor through baffle columns.

[0021] In one embodiment, the frame is further provided with a lid tongue expanding device.

[0022] The box cover tongue expanding device includes: an expanding lifting cylinder arranged on the frame in the vertical direction, 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.

[0023] The beneficial effects of the present disclosure are:

[0024] 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.

[0025] 2. The packaging box positioning and clamping device disclosed in the present invention adopts a double-slider linear module with positive and negative teeth, which simplifies the structure, facilitates installation, and improves installation efficiency.

[0026] 3. The clamping frame disclosed in 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 be provided with avoidance notches and avoidance slots on its corresponding sides, so that the protruding part between the avoidance notches and the avoidance slots on the corresponding sides 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.

[0027] 4. The present invention provides arc chamfers on the outer sides of the ends of a pair of blocking plates, thereby preventing the large and small box covers from being punctured during blocking.

[0028] 5. The present invention shortens the stroke of the piston rod of the expanding suction cup cylinder by sleeve-arranging a limit 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.

[0029] 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

[0030] FIG1 is a schematic structural diagram of a cover buckle device of a side-opening packaging box disclosed in the present invention.

[0031] FIG2 is a schematic diagram of the rear structure of FIG1 .

[0032] FIG3 is an enlarged structural diagram of part A in FIG2 .

[0033] 4 to 6 are schematic three-dimensional structural diagrams of the cover-fastening device of the side-opening packaging box disclosed in the present invention.

[0034] FIG7 is a schematic structural diagram of a box-taking pressing plate.

[0035] FIG8 is an enlarged structural diagram of part B in FIG5 .

[0036] 1 to 8 are respectively; 1, buckle cover mounting base, 11, buckle cover mounting bracket, 100, buckle cover platform, 101, bottom suction cup, 2, box taking electric cylinder, 20, box taking electric cylinder mounting plate, 21, transfer linear module, 22, transfer linear module mounting plate, 23, transfer mounting beam, 24, box taking mounting plate, 25, box taking support plate, 26, box taking pressure plate, 261, countersunk mounting through hole, 262, suction cup mounting through hole, 2 63. Avoidance gap, 264. Avoidance notch, 265. First protrusion, 266. Second protrusion, 27. Box removal suction cup, 3. Electric cylinder for push cover, 30. Electric cylinder mounting plate for push plate, 32. Push plate, 33. First push guide plate, 34. Second push guide plate, 36. Push cover linear module, 360. Push cover vertical plate, 361. Slider, 4. Pressure rod, 41. Pressure rod vertical plate, 43. Pressure rod X-axis linear module, 431. Slider , 44, 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. DETAILED DESCRIPTION

[0037] The following describes in detail a specific implementation scheme of the cover buckle device for a side-opening packaging box disclosed in the present invention in conjunction with the accompanying drawings.

[0038] As shown in Figures 1, 2, 4 to 6, the present invention discloses 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 figures) and a cover-fastening mounting base plate 1 arranged on the frame, a cover-fastening platform 100 for fastening the cover of the packaging box is provided on the cover-fastening mounting base plate 1 through a cover-fastening mounting bracket 11, a pair of bottom suction cups 101 that are inserted into the cover-fastening platform 100 along the length direction of the packaging box, a packaging box positioning and clamping device that cooperates with the cover-fastening platform 100, a box taking and transporting device and a cover-pushing device, and a box cover pressing device, a box cover blocking device and a box cover tongue that cooperate with the cover-pushing device. Head expanding device; the box taking and transporting device includes: a transport mounting crossbeam 23 arranged on the frame, a transport linear module mounting plate 22 arranged on the transport mounting crossbeam 23, and a transport linear module 21 arranged on the transport linear module mounting plate 22, the transport 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 arranged on the driving rod of the box taking electric cylinder 2, and a box taking support plate 25 which is adjustably arranged on the box taking mounting plate 24 in relative position (specifically, it can be adjusted by means of waist round holes, etc., which belongs to The box taking support plate 25 is provided with a box taking pressure plate 26 and two box taking suction cups 27 arranged along the length direction of the packaging box. As shown in FIG6 , the specific installation method of the box taking pressure plate 26 is as follows: two countersunk mounting through holes 261 are provided 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 provided in the corresponding threaded holes on the box taking support plate 25 (which belongs to the conventional technology in this field and is not described in detail here). The box taking pressure plate 26 is also provided with a suction cup mounting through hole 262 which cooperates with the box taking suction cup 27. The box suction cup 27 is inserted into the corresponding suction cup mounting hole 262 on the box removal pressing plate 26; the cover pushing and box entering device includes: a cover pushing electric cylinder 3, a cover pushing linear module 36 vertically arranged on the said cover buckle mounting base 1, a cover pushing vertical plate 360 ​​is provided on the slider 361 of the cover pushing linear module 36, the cover pushing electric cylinder 3 is set on the cover pushing vertical plate 360 ​​through the push plate electric cylinder mounting plate 30, and a push plate 32 is provided on the push rod of the cover pushing electric cylinder 3. The upper end of the push plate 32 is provided with a first pushing guide plate 33 that cooperates with the folded edge of the inner cover of the packaging box, and the lower end of the push plate 32 is provided with a second pushing guide plate 34 that cooperates with the tongue of the outer cover of the packaging box;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, a pressure rod vertical plate 41 is provided on the slider 431 of the pressure rod X-direction linear module 43, and the pressure rod 4 is provided at the top of the pressure rod vertical plate 41 (belonging to the conventional technology in this field and not mentioned here). Expand the description); 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 8), the buckle cover mounting base 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, and the baffle Z-direction linear module 55 The slider 551 is provided with a double-slider linear motor 53 through a linear motor mounting seat 550, and baffle bases 530 are respectively provided on the sliders 531 on both sides of the double-slider linear motor 53, and the blocking support parts 501 of a pair of right-angle baffles 5 are respectively provided on the corresponding baffle bases 530 through baffle columns 52; the packaging box positioning and clamping device includes: a positive and negative tooth double-slider linear module 71 provided 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 provided on the corresponding slider of the positive and negative tooth double-slider linear module 71, and a pair of provided at both ends of the bottom beam 70 The clamping mounting column 700 is provided with a clamping block 7 that cooperates with the cover buckle platform 100 on the inner side of the clamping mounting column 700, and a twist box passage is formed between the clamping blocks 7 on the same side; correspondingly, as shown in Figure 7, the corresponding side of the box-taking pressure plate 26 is provided with an avoidance notch 263 at one end close to the push plate 32, and a avoidance notch 264 at the other end, so that the first protruding portion 265 between the avoidance notch 263 and the avoidance notch 264 on the corresponding side of the box-taking pressure plate 26 corresponds to the twist box passage on the same side, and the second protruding portion 266 on the corresponding side of the box-taking pressure plate 26 outside the avoidance notch 264 corresponds to the edge of the top surface of the packaging box;The described 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, 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, and the suction cup cylinder mounting seat includes: a suction cup cylinder mounting plate 65, and a suction cup cylinder supporting plate 64 which is adjustably arranged on the suction cup cylinder mounting plate 65 (specifically, it can be adjusted by means of waist-shaped holes, etc., which belongs to the conventional technology in this field and is not described in detail here), the suction cup cylinder mounting plate 65 is arranged on the piston rod of the expanding lifting cylinder 60, the described expanding suction cup cylinder 63 is arranged on the suction cup cylinder supporting plate 64, the piston rod of the expanding suction cup cylinder 63 is provided with a limiting washer 62 and is connected to the expanding suction cup base 61, the top of the expanding suction cup base 61 is connected to the expanding suction cup 6, and the side of the expanding suction cup base 61 is connected to the vacuum pipeline (which belongs to the conventional technology in this field and is not described in detail here). ;

[0039] In one embodiment, a side-opening packaging box includes an upper side wall and a lower side wall arranged opposite to each other, and a left side wall and a right side wall arranged opposite to each other. The upper side wall, the left side wall, the lower side wall, and the right side wall are sequentially connected to form a box body having a box opening, and the box opening faces forward or backward. A small cover (outer cover) is provided on the upper part of the box opening, and the small cover is connected to the upper side wall. A large cover (inner cover) is provided on the lower part of the box opening, and the large cover is connected to the lower side wall, and a gap is provided between the large cover and the lower side wall for inserting the small cover. A buckle is respectively provided on the left and right parts of the opening, and the two buckles are respectively connected to the left and right walls, and the two buckles can be buckled with each other. In this embodiment, the working process of the buckle cover device is as follows:

[0040] 1. Transfer the packaging box to the top of the box-locking platform 100, then place the packaging box on the box-locking platform 100, and let the bottom suction cup 101 suck the packaging box;

[0041] 2. Open the box and twist it at a certain angle;

[0042] 3. Use the two right-angle baffles 5 to push the two buckles inward to the appropriate position;

[0043] 4. Turn the box back to the correct angle so that the two buckles are buckled together;

[0044] 5. Snap on the large lid (inner lid): Place the right-angled baffle 5 in the appropriate position above the box opening; then use the pressure rod 4 to push the large lid to a certain angle; then push the push plate 32 to the appropriate position so that the first push guide plate on the push plate 32 just bends the folded edge of the large lid; then remove the pressure rod 4 and the right-angled baffle 5; the push plate 32 pushes the large lid into the upper gap of the box opening; then block the right-angled baffle 5 on both sides of the large lid and withdraw the push plate 32 (simultaneously withdrawing the first push guide plate 33 from the upper gap of the box opening);

[0045] 6. Buckle the small cover (outer cover): Place the right-angle baffle 5 at the appropriate position at the bottom of the box mouth; use the pressure rod 4 to push the small cover to a certain angle; then push the push plate 32 to the appropriate position to bend the tongue of the small cover; then extend the piston rod of the flaring lifting cylinder 60 and the piston rod of the flaring suction cup cylinder 63, open the negative pressure, so that the flaring suction cup 6 sucks the bottom surface of the packaging box, and then retract the piston rod of the flaring suction cup cylinder 63. The stroke of the flaring suction cup cylinder 63 (set by the limit washer 62) is usually controlled between 1-2 mm. The small gap at the bottom of the box opening opens to a larger opening, allowing the second push guide plate 34 and the small tongue to be inserted into it. Next, the pressure rod 4 and the right-angled baffle 5 are withdrawn. The push plate 32 is then pushed forward, inserting the second push guide plate 34 and the small tongue into the small gap. The blocking portion 502 of the right-angled baffle 5 then presses down on both sides of the small cover to prevent the cover from being pulled out when the second push guide plate 34 is withdrawn. Finally, the push plate 32 is withdrawn (simultaneously removing the second push guide plate 34 from the small gap in the box opening). At this point, the box opening on one side is sealed.

[0046] In the present disclosure, the directions such as “front”, “back”, “left”, “right”, “up” and “down” involved are as shown in FIG2 , where the upper direction in the figure is “up”, the lower direction is “down”, the left direction is “front”, the right direction is “back”, and the directions perpendicular to the viewing angle in the figure are “left” and “right”. In the present disclosure, the “X direction”, “Y direction” and “Z direction” involved are as shown in FIG2 , where the upper and lower directions in the figure are “Z direction”, the left and right directions in the figure are “Y direction”, and the direction perpendicular to the viewing angle in the figure is “X direction”. The definitions of the above directions are merely for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present disclosure.

[0047] In summary, the above is only a preferred embodiment of the present disclosure and is not intended to limit the scope of implementation of the present disclosure. 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 disclosure should be included in the scope of the claims of the present disclosure.

Claims

1. A cover snapping device for a side-opening packaging box, characterized in that: include: A frame, on which a cover-locking platform for a packaging box is provided, a bottom suction cup inserted in the cover-locking platform, and a packaging box positioning and clamping device and a box-taking and transporting device matched with the cover-locking platform are provided; the frame is also provided with a cover-pushing and box-entering device matched with the cover-locking platform, and a box cover pressing device, a box cover blocking device and a box cover tongue expanding device matched with the cover-pushing and box-entering device; The box picking 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 picking electric cylinder through the box picking electric cylinder mounting plate, a box picking mounting seat is provided on the driving rod of the box picking electric cylinder, a box picking pressure plate and at least two box picking suction cups arranged along the length direction of the packaging box are provided on the box picking mounting seat, and the box picking suction cups are penetrated in the box picking pressure plate; The cover-pushing and box-entering device comprises: a cover-pushing linear module vertically arranged on the frame, a cover-pushing electric cylinder is arranged on the slider of the cover-pushing linear module, a push plate is arranged on the push rod of the cover-pushing electric cylinder, a first push guide plate matched with the folded edge of the inner cover of the packaging box is arranged on the upper end of the push plate, and a second push guide plate matched with the tongue of the outer cover of the packaging box is arranged on the lower end of the push plate; The box cover pressing device comprises: a pressure rod arranged horizontally and perpendicular to the arrangement direction of the electric cylinder for pushing the cover, a pressure rod Y-direction linear module parallel to the electric cylinder for pushing the cover is arranged on the frame, a slider of the pressure rod Y-direction linear module is arranged with a pressure rod Z-direction linear module through a pressure rod Z-direction module connecting plate, a slider of the pressure rod Z-direction linear module is arranged with a pressure rod X-direction linear module through a pressure rod X-direction module connecting plate, and the pressure rod is arranged on the slider of the pressure rod X-direction linear module through a pressure rod vertical plate; The box cover blocking device comprises: a pair of horizontally arranged right-angle baffles, the right-angle baffles comprising: a blocking support part and a blocking part laterally connected to the blocking support part, the blocking part is parallel to the pressure rod, 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 a 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, and the blocking support parts of a pair of right-angle baffles 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 the vertical direction, 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 an expanding suction cup base.

2. The cover snapping device for a side-opening packaging box according to claim 1, characterized in that: The packaging box positioning and clamping device comprises: a linear module with two sliders of positive and negative teeth arranged on a frame, and clamping frames are respectively arranged on two sliders of the linear module with two sliders of positive and negative teeth.

3. The cover snapping device for a side-opening packaging box according to claim 2, 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; correspondingly, an avoidance gap is opened at the end close to the push plate on the corresponding side of the box taking pressure plate, and an avoidance groove is opened at the other end of the box taking pressure plate, so that the corresponding side of the box taking pressure plate between the avoidance gap and the avoidance groove corresponds to the twist box aisle on the same side, and the corresponding side of the box taking pressure plate outside the avoidance groove corresponds to the edge of the top surface of the packaging box.

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

5. The cover snapping device for a side-opening packaging box according to claim 1, characterized in that: The mounting structure of the expanding suction cup cylinder comprises: 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.

6. The cover snapping device for a side-opening packaging box according to claim 5, characterized in that: A limiting washer is sleeved on the piston rod of the expanding suction cup cylinder.

7. The cover-fastening device for a side-opening packaging box according to claim 6, 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 arranged on the suction cup cylinder mounting plate in an adjustable relative position.

8. The cover-fastening device for a side-opening packaging box according to claim 7, characterized in that: The box taking installation seat comprises: a box taking installation plate, and a box taking support plate which is relatively adjustable and arranged on the box taking installation plate, and the box taking pressure plate and the box taking suction cup are both arranged on the box taking support plate.

9. A cover snapping device for a side-opening packaging box, characterized in that: include: The frame is provided with a cover-fastening platform for fastening the cover of the packaging box, 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 matched with the cover-fastening platform. The box picking and transporting device includes: 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 picking electric cylinder through the box picking electric cylinder mounting plate, a box picking mounting seat is provided on the driving rod of the box picking electric cylinder, a box picking mounting seat is provided on the box picking pressure plate, and at least two box picking suction cups arranged along the length direction of the packaging box, and the box picking suction cups are penetrated in the box picking pressure plate.

10. The cover-fastening device for a side-opening packaging box according to claim 9, characterized in that: The frame is also provided with a cover-pushing and box-entering device that cooperates with the cover-locking platform. The cover-pushing-into-box device comprises: a cover-pushing linear module vertically arranged on the frame, a cover-pushing electric cylinder is arranged on the slider of the cover-pushing linear module, a push plate is arranged on the push rod of the cover-pushing electric cylinder, a first push guide plate matching with the folded edge of the inner cover of the packaging box is arranged at the upper end of the push plate, and a second push guide plate matching with the tongue of the outer cover of the packaging box is arranged at the lower end of the push plate.

11. The cover-fastening device for a side-opening packaging box according to claim 9, characterized in that: The frame is also provided with a box cover pressing device. 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, a pressure rod Y-direction linear module parallel to the electric cylinder for pushing the cover is arranged on the frame, the slider of the pressure rod Y-direction linear module is arranged with the 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 arranged with the pressure rod X-direction linear module through the pressure rod X-direction module connecting plate, and the pressure rod is arranged on the slider of the pressure rod X-direction linear module through the pressure rod vertical plate.

12. The cover-fastening device for a side-opening packaging box according to claim 11, characterized in that: The frame is also provided with a box cover blocking device. The box cover blocking device includes: a pair of horizontally arranged right-angle baffles, the right-angle baffles include: 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-axis linear module parallel to the electric cylinder for pushing the cover, the slider of the baffle Y-axis linear module is provided with a baffle Z-axis linear module through a baffle Z-axis module connecting plate, the slider of the baffle Z-axis linear module is provided with a double-slider linear motor through a linear motor mounting seat, and the blocking support parts of a pair of right-angle baffles are provided on the corresponding sliders of the double-slider linear motor through baffle columns.

13. The cover-fastening device for a side-opening packaging box according to claim 9, characterized in that: The frame is also provided with a box cover tongue expansion device. The box cover tongue expanding device comprises: an expanding lifting cylinder arranged on the frame in the vertical direction, 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 an expanding suction cup base.

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