CN211969939U

CN211969939U - Automatic case sealer

Info

Publication number: CN211969939U
Application number: CN202020571981.6U
Authority: CN
Inventors: 刘立; 彭红伟; 陈爱玲
Original assignee: Shenzhen Le'erdi Food Packaging Co ltd
Current assignee: Shenzhen Le'erdi Food Packaging Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-20
Anticipated expiration: 2030-04-16

Abstract

The utility model relates to an automatic case sealer relates to food package's technical field, and it includes transport mechanism, book lid mechanism and rubberizing mechanism, and book lid mechanism includes the crane, and the crane is provided with the lift seat and orders about the gliding lift driving piece of lift seat, installs the inner cup on the lift seat and draws in the subassembly in and the enclosing cover draws in the subassembly in, has seted up the roll adjustment spout on the lift seat, and the enclosing cover draws in the subassembly and includes that two slides and set up in the roll adjustment slider of roll adjustment spout and rotate and set up in the two-way screw rod of roll adjustment spout, all installs the down tube on the roll adjustment slider. The lift driving piece orders about the lift seat and goes up and down to draw in the subassembly in order to drive the inner cup and draw in the subassembly with the enclosing cover and go up and down in order to adapt to the packing box packing demand of co-altitude not, and the two-way screw rod of roll adjustment rotates and is close to each other or keeps away from each other in order to drive two roll adjustment sliders to adjust the packing box packing demand of distance between two down tube in order to adapt to different width, from this, make the utility model discloses can pack the packing box of different dimensions.

Description

Automatic case sealer

Technical Field

The utility model belongs to the technical field of food package's technique and specifically relates to an automatic case sealer is related to.

Background

After being produced and processed, food is often packaged by a packaging box and then sealed and packaged by an adhesive tape for later transportation and sale, so that the packaging bag of the food is prevented from being damaged in the transportation process.

The utility model discloses a refer to utility model patent that the bulletin is CN208647198U and disclose a carton automatic packaging machine, it transports frame, conveyer, automatic packing apparatus and leading truck including the cylinder, the leading truck is including back cardboard pendulum, preceding cardboard deflector, past two down tube, the drive that the preceding cardboard deflector draws in back cardboard pendulum wobbling drives actuating cylinder. The conveying device comprises two conveying belts which are respectively arranged on two sides of the roller conveying frame and the conveying surfaces of which are opposite.

In the actual production process, the height of the packing box can be changed according to the actual production requirement, and the width of the packing box can be adjusted according to the actual production requirement. And the diagonal rods are directly and fixedly arranged on the roller conveying frame, so that the distance between the two diagonal rods is kept unchanged, and when the width of the carton is too large or too small, the distance between the two diagonal rods is far larger or far smaller than the distance between the two guide plates, so that the two diagonal rods cannot fold the outer covers of the carton.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic case sealer, its technical problem that solve is, can pack the packing box of different dimensions.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an automatic case sealer comprising:

the conveying mechanism comprises a horizontal conveying assembly and a clamping and conveying assembly, the horizontal conveying assembly comprises a rack and a plurality of horizontal conveying rollers rotatably arranged on the rack, the clamping and conveying assembly comprises two groups of vertical conveying parts, and a clamping and conveying space is formed between the two groups of vertical conveying parts;

the cover folding mechanism comprises a lifting frame erected on the rack, a lifting seat sliding along the vertical direction and a lifting driving piece driving the lifting seat to slide are arranged on the lifting frame, an inner cover furling assembly and an outer cover furling assembly are mounted on the lifting seat, a distance adjusting sliding groove used for mounting the outer cover furling assembly is formed in the lifting seat, the outer cover furling assembly comprises two distance adjusting sliding blocks slidably arranged in the distance adjusting sliding groove and a distance adjusting bidirectional screw rod rotatably arranged in the distance adjusting sliding groove, a first distance adjusting threaded section and a second distance adjusting threaded section with opposite rotating directions are arranged on the distance adjusting bidirectional screw rod, one distance adjusting sliding block is in threaded connection with the first distance adjusting threaded section, the other distance adjusting sliding block is in threaded connection with the second distance adjusting threaded section, and an inclined rod is mounted on each distance adjusting sliding block;

and the adhesive tape sticking mechanism is arranged on the rack and used for sticking an adhesive tape.

By adopting the technical scheme, after a packaging box to be folded enters the clamping and conveying assembly along the flat conveying assembly, the inner cover folding assembly folds the two inner covers of the packaging box, the inclined rod of the outer cover folding assembly is abutted against the outer cover so as to fold the outer cover, and the carton with the folded inner cover and the folded outer cover is glued and sealed under the action of the gluing mechanism, so that the packaging box is packaged;

the lift driving piece orders about the lift seat and goes up and down to draw in the subassembly in order to drive the inner cup and draw in the subassembly in with the enclosing cover and go up and down so that the inner cup draws in the subassembly and the enclosing cover draws in the subassembly in and can adapt to the packing box packing demand of co-altitude, and the two-way screw rod of roll adjustment rotates and is close to or keeps away from each other in order to drive two roll adjustment sliders to adjust the distance between two down tube so that the enclosing cover draws in the packing box packing demand that the subassembly can adapt to different width in, from this, make the utility.

The utility model discloses further set up to: the middle part of roll adjustment spout is fixed and is provided with central mount table, the middle part of roll adjustment two-way screw rod with central mount table rotates and is connected.

Through adopting above-mentioned technical scheme, first roll adjustment screw thread section and second roll adjustment screw thread section are separated so that first roll adjustment slider and second roll adjustment slider slide in the both sides of inlaying the slider to avoid first roll adjustment slider and second roll adjustment slider to bump at the slip in-process.

The utility model discloses further set up to: and two ends of the distance-adjusting bidirectional screw rod can be detachably provided with a limiting sliding block clamped with the distance-adjusting sliding groove.

Through adopting above-mentioned technical scheme, the slip of first roll adjustment slider and second roll adjustment slider is restricted to the limit slider to avoid first roll adjustment slider and second roll adjustment slider to break away from the roll adjustment spout.

The utility model discloses further set up to: the end part of the distance-adjusting bidirectional screw rod penetrates out of the limiting sliding block, and a driving and rotating hand wheel detachably connected with the distance-adjusting bidirectional screw rod is arranged on one side, far away from the distance-adjusting sliding groove, of the limiting sliding block.

By adopting the technical scheme, when the driving and rotating hand wheel is arranged on the distance-adjusting bidirectional screw rod, the driving and rotating hand wheel is rotated to drive the first distance-adjusting slide block and the second distance-adjusting slide block to slide, and when the driving and rotating hand wheel is separated from the distance-adjusting bidirectional screw rod, the limiting slide block is separated from the distance-adjusting bidirectional screw rod so as to be convenient for dismounting the first distance-adjusting slide block and the second distance-adjusting slide block.

The utility model discloses further set up to: the inner cover furling assembly comprises a pendulum installed on the lifting seat and a guide plate detachably arranged on the lifting seat.

Through adopting above-mentioned technical scheme, the deflector draws in earlier getting into the inner cup that presss from both sides and send space one side to the packing box, and the pendulum draws in the inner cup that gets into to press from both sides behind the packing box and send space one side to accomplish two inner cups to the packing box draws in, and the deflector can be dismantled the maintenance of the deflector of being convenient for and change.

The utility model discloses further set up to: the lifting seat is provided with an embedded sliding groove communicated with the middle of the distance adjusting sliding groove, an embedded sliding block is arranged in the embedded sliding groove in a sliding mode, and the guide plate is located on the embedded sliding block.

Through adopting above-mentioned technical scheme, inlay the slider and slide the embedding or break away from the dismouting in order to realize the deflector through inlaying the spout.

The utility model discloses further set up to: the embedded sliding block is provided with a through groove for the distance-adjusting bidirectional screw to pass through, and the first distance-adjusting thread section and the second distance-adjusting thread section are symmetrical by taking the through groove as a center.

Through adopting above-mentioned technical scheme, wear the groove and separate first roll adjustment screw thread section and second roll adjustment screw thread section so that first roll adjustment slider and second roll adjustment slider slide in the both sides of inlaying the slider for inlay the central point that the deflector is located two enclosing covers of packing box and put on the slider and put, thereby guarantee drawing in of two enclosing covers and keep stable.

The utility model discloses further set up to: the deflector including install in the vertical plate section of lift seat with fixed set up in the horizontal plate section of vertical plate section lower extreme, vertical plate section is kept away from the one end of lift seat is the arc setting, the arc is along keeping away from the direction tilt up of lift seat.

Through adopting above-mentioned technical scheme, the arc part of vertical board section is advanced to be advanced to get into with the packing box and is pressed in order to promote the inner cup and draw in, then another enclosing cover that is promoted to draw in by the pendulum is again contradicted with the arc part of vertical board section, thereby make two inner covers all pressed in horizontal board section below, thereby make two inner covers keep the state of drawing in, draw in under the effect of down tube again and contradict in the top of horizontal board section, thereby draw in of complete packing box inner cover and enclosing cover.

To sum up, the utility model discloses a beneficial technological effect does:

1. the lifting driving piece drives the lifting seat to lift so as to drive the inner cover furling assembly and the outer cover furling assembly to lift so that the inner cover furling assembly and the outer cover furling assembly can meet the packing box packing requirements of different heights, and the distance adjusting bidirectional screw rod rotates so as to drive the two distance adjusting sliders to be close to or away from each other, so that the distance between the two inclined rods is adjusted so that the outer cover furling assembly can meet the packing box packing requirements of different widths, and therefore the utility model discloses packing boxes of different sizes and specifications can be packed;

2. the first distance adjusting thread section and the second distance adjusting thread section are separated by the central mounting table so that the first distance adjusting slide block and the second distance adjusting slide block can slide on two sides of the embedded slide block, and therefore the first distance adjusting slide block and the second distance adjusting slide block are prevented from colliding in the sliding process.

Drawings

Fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;

FIG. 2 is a schematic view of the installation structure of the preferred embodiment of the present invention

FIG. 3 is a schematic view of the mounting structure of the pinch assembly and the centering assembly

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view of the mounting structure on the lifting seat of the cover folding mechanism;

fig. 6 is a schematic structural view of the taping mechanism.

In the figure, 1, a transport mechanism; 11. a flat conveying component; 111. a frame; 112. a translation roll; 113. a synchronizing wheel; 114. a synchronous belt; 12. a pinch assembly; 121. a vertical conveying part; 1211. a vertical conveying seat; 1212. a vertical conveying roller; 1213. vertically conveying the conveyor belt; 122. a pinch space; 123. a width-adjustable driving part; 1231. adjusting the width of the guide rod; 1232. a width-adjustable bidirectional screw; 1233. adjusting a width screw block; 1234. a width adjusting sliding block; 1235. a width adjusting hand wheel; 13. a centering assembly; 131. centering the guide rod; 132. an angle adjusting slide block; 1321. a sliding groove; 133. a connecting rod; 134. a drop-off prevention member; 135. a joint; 2. a cover folding mechanism; 21. a lifting frame; 22. a lifting seat; 221. a distance-adjusting chute; 222. embedding a sliding chute; 23. a lifting drive member; 24. the inner cover furls the assembly; 241. a pendulum bob; 242. a guide plate; 2421. a vertical plate section; 2422. a horizontal plate section; 243. embedding a sliding block; 2431. penetrating a groove; 25. an outer cover furling assembly; 251. a diagonal bar; 252. a distance adjusting slide block; 253. a distance-adjusting bidirectional screw; 254. a central mounting table; 255. a limiting slide block; 256. driving a hand wheel; 26. a guide slide bar; 3. a gluing mechanism; 31. a tape base; 32. a tape tray; 33. a front adhesive tape pressing frame; 331. a front compression bar; 332. a front pinch roller; 34. pressing the rear adhesive tape; 341. a rear pressure lever; 342. a rear pinch roller; 35. a cutting knife rest; 351. a blade; 36. a linkage rod; 37. a return spring.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an automatic case sealer, including transport mechanism 1, book lid mechanism 2 and rubberizing mechanism 3. The conveying mechanism 1 is used for conveying packed packing boxes, the cover folding mechanism 2 is used for folding two inner covers and two outer covers on openings of the packing boxes to seal the packing boxes, and the adhesive tape pasting mechanism 3 is used for pasting adhesive tapes on the seals of the packing boxes to enable the packing boxes to keep sealed.

The transport mechanism 1 comprises a translation assembly 11, a pinch assembly 12 and a centering assembly 13.

The flatbed assembly 11 includes a frame 111 and a plurality of flatbed rollers 112 rotatably disposed on the frame 111. The frame 111 has an upper box end and a lower box end along the length direction thereof, and a packing box to be packed enters the frame 111 from the upper box end of the frame 111 and leaves the frame 111 from the lower box end after packing is completed. All the platen rollers 112 are arranged in parallel with each other, and the axes of the platen rollers 112 are in the horizontal direction so as to be perpendicular to the longitudinal direction of the frame 111. Synchronizing wheels 113 are coaxially and fixedly arranged on all the flat conveying rollers 112, a synchronous belt 114 is wrapped on all the synchronizing wheels 113, and a synchronous motor (not shown in the figure) for driving the flat conveying rollers 112 to rotate is arranged on the frame 111. Preferably, the output shaft of the synchronous motor is fixedly arranged coaxially with the platen roller 112. The synchronous motor drives one of the flatting rollers 112 to rotate, and the synchronous belt 114 drives all the synchronous wheels 113 to rotate so as to drive all the flatting rollers 112 to rotate, so that all the flatting rollers 112 together drive the packing box to stably move forwards.

Referring to fig. 2 and 3, pinch assembly 12 is located between the upper and lower box ends. The pinch unit 12 includes two sets of vertical conveying portions 121, the two sets of vertical conveying portions 121 are respectively located at two sides of the rack 111, and a pinch space 122 is formed between the two sets of vertical conveying portions 121. Specifically, the vertical conveying unit 121 includes a vertical conveying seat 1211 disposed in the frame 111 in a sliding manner, a plurality of vertical conveying rollers 1212 rotatably disposed in the vertical conveying seat 1211, a vertical conveying belt 1213 covering the vertical conveying rollers 1212, and a vertical conveying motor for driving the vertical conveying rollers 1212 to rotate. The vertical delivery base 1211 extends in a longitudinal direction of the frame 111. The vertical feed rollers 1212 are arranged with their axes in the vertical direction, and all the vertical feed rollers 1212 are arranged at equal intervals along the longitudinal direction of the vertical feed base 1211. The pinch space 122 is located between the upright conveyor belts 1213 of the two sets of upright feeding portions 121. The vertical delivery motor is fixedly connected to the vertical delivery base 1211. Preferably, the output shaft of the vertical feeding motor is coaxially and fixedly arranged with the vertical feeding roller 1212. The vertical conveying motor drives the vertical conveying roller 1212 to rotate to drive the vertical conveying belt 1213 to move, and the vertical conveying belt 1213 abuts against the side wall of the packing box to drive the packing box in the clamping and conveying space 122 to move.

The frame 111 is provided with a width-adjusting driving member 123 for driving the two sets of vertical conveying portions 121 to approach or separate from each other. Specifically, the width-adjusting driving member 123 includes a width-adjusting guide rod 1231 mounted on the frame 111 and a width-adjusting bidirectional screw 1232 rotatably disposed on the frame 111, an axis of the width-adjusting guide rod 1231 is parallel to an axis of the vertical feed roller 1212, and an axis of the width-adjusting bidirectional screw 1232 is parallel to an axis of the width-adjusting guide rod 1231. The vertical delivery seats 1211 of the two sets of vertical delivery parts 121 are respectively provided with a width adjusting screw block 1233 and a width adjusting slide block 1234, and the width adjusting slide blocks 1234 of the two sets of vertical delivery parts 121 are simultaneously connected with the width adjusting guide rod 1231 in a sliding manner. The two ends of the width-adjustable bidirectional screw 1232 are provided with a first width-adjustable thread section and a second width-adjustable thread section with opposite rotation directions, wherein the width-adjustable thread block 1233 of one set of vertical conveying parts 121 is in threaded connection with the first width-adjustable thread section, and the width-adjustable thread block 1233 of the other set of vertical conveying parts 121 is in threaded connection with the second width-adjustable thread section. Preferably. One end of the width-adjusting bidirectional screw 1232 is provided with a width-adjusting hand wheel 1235, and the width-adjusting hand wheel 1235 is rotated to drive the width-adjusting bidirectional screw 1232 to rotate so as to drive the two sets of vertical conveying parts 121 to approach each other or to be away from each other, so that the two sets of vertical conveying parts 121 approach each other or to be away from each other, thereby achieving the purpose of adjusting the width of the clamping and conveying space 122.

Referring to fig. 3 and 4, centering assembly 13 is located at the end of pinch assembly 12 near the upper box end. The centering assembly 13 includes two centering guide rods 131 mounted to the frame 111, one centering guide rod 131 corresponding to each of the feeding portions 121, and the centering guide rods 131 are inclined outward in a direction away from the pinch space 122. The axis of the centering guide rod 131 is arranged along the horizontal direction, one end of the centering guide rod 131 far away from the pinch space 122 is hinged with the rack 111, and the rotation axis of the centering guide rod 131 is arranged along the vertical direction. The centering guide rod 131 is provided with an angle adjusting slider 132, the angle adjusting slider 132 is provided with a sliding groove 1321 for the centering guide rod 131 to pass through, and the central angle of the longitudinal section of the sliding groove 1321 is larger than 180 degrees so that one side of the outer circular surface of the centering guide rod 131, which is far away from the vertical conveying seat 1211, is positioned outside the sliding groove 1321. A connecting rod 133 is arranged on one side of the angle adjusting slide block 132 away from the center of the frame 111, and a joint 135 hinged with the connecting rod 133 is fixedly arranged on the corresponding lifting driving piece 23. One end of the centering guide rod 131 close to the vertical conveying part 121 is detachably provided with a disengagement preventing part 134, the disengagement preventing part 134 can be a bolt, and the disengagement preventing part 134 is positioned on one side of the angle adjusting slider 132 close to the vertical conveying part 121 to limit the angle adjusting slider 132 to slide out of the centering guide rod 131.

Referring to fig. 2, the flap mechanism 2 is located above the pinch space 122. The cover folding mechanism 2 comprises a lifting frame 21 erected on the machine frame 111, and a lifting seat 22 sliding along the vertical direction and a lifting driving piece 23 driving the lifting seat 22 to slide are arranged on the lifting frame 21. Preferably, the lifting driving member 23 is a hydraulic cylinder, a piston rod of the hydraulic cylinder is arranged along the vertical direction, and the lower end lifting seat 22 of the piston rod is fixedly connected. The upper end face of the lifting seat 22 is fixedly provided with a guide sliding rod 26, the axis of the guide sliding rod 26 is arranged along the vertical direction, and the upper end of the guide sliding rod 26 is connected with the lifting frame 21 in a sliding manner.

Referring to fig. 5, the lifter base 22 is provided with an inner lid furling assembly 24 and an outer lid furling assembly 25.

The lifting seat 22 is provided with a distance adjusting chute 221 for mounting the outer cover furling assembly 25, and the distance adjusting chute 221 penetrates through the lifting seat 22 along the axial direction of the leveling roller 112, so that the opening of the distance adjusting chute 221 faces to two ends of the axial direction of the leveling roller 112 and one side of the upper box end of the rack 111. The outer cover furling assembly 25 comprises two distance adjusting slide blocks 252 slidably disposed on the distance adjusting slide groove 221 and a distance adjusting bidirectional screw 253 rotatably disposed on the distance adjusting slide groove 221, wherein an axis of the distance adjusting bidirectional screw 253 is parallel to an axis of the flatting roll 112. The middle part of the distance-adjusting sliding chute 221 is fixedly provided with a central mounting table 254, the central mounting table 254 is positioned between the two distance-adjusting sliding blocks 252, and the middle part of the distance-adjusting bidirectional screw 253 is rotatably connected with the central mounting table 254 to separate a first distance-adjusting thread section from a second distance-adjusting thread section. The two-way distance-adjusting screw 253 has a first distance-adjusting screw section and a second distance-adjusting screw section with opposite rotation directions on both ends. One of the distance adjusting sliders 252 is in threaded connection with the first distance adjusting threaded section and the other distance adjusting slider 252 is in threaded connection with the second distance adjusting threaded section. Each of the distance-adjusting sliders 252 is mounted with a tilting rod 251, and the tilting rod 251 is tilted upward and outward in a direction away from the elevating base 22.

Both ends of the distance-adjusting bidirectional screw 253 can be detachably provided with a slide limiting block 255 clamped with the distance-adjusting chute 221, and the slide limiting block 255 is clamped with an opening at one end of the distance-adjusting chute 221, which corresponds to the axial direction of the flat-feeding roller 112. Preferably, the end of the distance-adjusting bidirectional screw 253 penetrates through the limit sliding block 255, and a driving hand wheel 256 detachably connected with the distance-adjusting bidirectional screw 253 is arranged on one side of the limit sliding block 255 away from the distance-adjusting sliding groove 221. When the driving hand wheel 256 is installed on the distance-adjusting bidirectional screw 253, the driving hand wheel 256 is rotated to drive the first distance-adjusting slider 252 and the second distance-adjusting slider 252 to slide, and when the driving hand wheel 256 is separated from the distance-adjusting bidirectional screw 253, the distance-limiting slider 255 is separated from the distance-adjusting bidirectional screw 253 so as to assemble and disassemble the first distance-adjusting slider 252 and the second distance-adjusting slider 252.

The inner lid gathering assembly 24 includes a pendulum 241 mounted to the lifter base 22 and a guide plate 242 detachably disposed to the lifter base 22. The pendulum 241 is driven by hydraulic pressure to turn over, so as to push the packing box to enter the clamping and conveying space 122 and the inner cover is folded. An embedded sliding groove 222 communicated with the middle part of the distance adjusting sliding groove 221 is formed in the lifting seat 22 along the vertical direction, and an opening of the embedded sliding groove 222 faces the upper box end. The insertion groove 222 is slidably provided with an insertion block 243, and the insertion block 243 can be inserted into the insertion groove 222 from an opening of the insertion groove 222 to slide along the insertion groove 222 to enter the distance adjusting groove 221. The guide plate 242 is positioned on the fitting block 243 so that the guide plate 242 can be attached to and detached from the lifter base 22 following the fitting block 243. The embedded sliding block 243 is provided with a through groove 2431 for the distance-adjusting bidirectional screw 253 to pass through, and the first distance-adjusting thread section and the second distance-adjusting thread section are symmetrical by taking the through groove 2431 as a center. The through groove 2431 is provided in an arch shape, the central mounting table 254 is in an arch shape corresponding to the through groove 2431, and the central mounting table 254 is clamped with the through groove 2431 to limit the embedded sliding block 243 to be separated from the lifting seat 22. The height of the embedded sliding block 243 is greater than that of the distance adjusting sliding groove 221, so that when the central mounting table 254 is clamped with the through groove 2431, the upper end of the embedded sliding block 243 is still located in the embedded sliding groove 222.

The guide plate 242 includes a vertical plate 2421 installed on the lifting seat 22 and a horizontal plate 2422 fixedly installed at the lower end of the vertical plate 2421, the length of the vertical plate 2421 extends toward the upper box end, one end of the vertical plate 2421 far from the lifting seat 22 is in an arc shape, and the arc shape inclines upwards along the direction far from the lifting seat 22. The arc-shaped part of the vertical plate 2421 firstly abuts against the inner lid on the side where the packing box firstly enters the pinch space 122 to push the inner lid to be folded, and then the other outer lid pushed to be folded by the pendulum bob 241 abuts against the arc-shaped part of the vertical plate 2421, so that the two inner lids are both pressed below the horizontal plate 2422, thereby keeping the two inner lids in a folded state, and the two outer lids are folded and abutted above the horizontal plate 2422 under the action of the diagonal rod 251, thereby folding the inner lids and the outer lids of the complete packing box.

Referring to fig. 6, the rubberizing mechanism 3 is located on a side of the lifting seat 22 facing the lower box end. Specifically, the tape attaching mechanism 3 includes a tape base 31 fixedly connected to the lifting base 22, a tape tray 32 rotatably disposed on the tape base 31, a front tape pressing frame 33 mounted on the tape base 31, and a rear tape pressing frame 34 mounted on the tape base 31. The tape tray 32 is located at the upper end of the tape base 31. The front tape pressing frame 33 is located at one end of the tape base 31 close to the lifting base 22, and the rear tape pressing frame 34 is located at one end of the tape base 31 far from the lifting base 22. The front adhesive tape pressing frame 33 comprises a front pressing rod 331 and a front pressing wheel 332 rotatably arranged on the front pressing rod 331, one end of the front pressing rod 331 is hinged with the adhesive tape base 31, and the front pressing wheel 332 is positioned at the other end of the front pressing rod 331. The rear adhesive tape pressing frame 34 comprises a rear pressing rod 341 and a rear pressing wheel 342 rotatably arranged on the rear pressing rod 341, one end of the rear pressing rod 341 is hinged with the adhesive tape base 31, and the rear pressing wheel 342 is positioned at the other end of the rear pressing rod 341. The rear pressure lever 341 is linked with the front pressure lever 331 through a linkage lever 36, one end of the linkage lever 36 is hinged to the front pressure lever 331, and the other end of the linkage lever 36 is hinged to the rear pressure lever 341. The adhesive tape base 31 is provided with a return spring 37 for driving the rear pressing rod 341 to rotate and return, and the end part of the return spring 37 is fixedly connected with the rear pressing rod 341. Articulated on the sticky tape base 31 have cutting knife rest 35, and cutting knife rest 35 is located cutting knife rest 35's one end with the pin joint of sticky tape base 31, and cutting knife rest 35's the other end detachably is provided with the blade 351 that is used for cutting the sticky tape. The linkage rod 36 is hinged with the middle part of the cutting knife rest 35.

The implementation principle of the embodiment is as follows: rotating the width-adjusting bidirectional screw 1232 according to the width of the packing box to be folded to adjust the width between the two vertical conveying seats 1211 so that the width of the pinch space 122 is adapted to the width of the packing box, driving the centering guide rods 131 to rotate while the vertical conveying seats 1211 moves so that the distance between the two centering guide rods 131 is adapted to the width of the pinch space 122, controlling the lifting driving member 23 to drive the lifting seat 22 to lift according to the height of the packing box to be folded so that the height of the lifting seat 22 is adapted to the height of the packing box, then the packing box to be folded enters the frame 111 from the upper box end and moves under the driving of the flat conveying roller 112, then the two sides of the packing box are firstly contacted with the two centering guide rods 131 to perform position centering, the centered packing box enters the pinch space 122, the guide plate 242 folds the inner cover of one side of the packing box which enters the pinch space 122 first, and the pendulum bob 241 folds the inner cover of one side of the packing box which, the diagonal rod 251 of the outer cover folding component 25 abuts against the outer cover to fold the outer cover, and the carton with the folded inner cover and the folded outer cover is glued and sealed under the action of the gluing mechanism 3, so that the packaging of the packaging box is completed, and the packaged packaging box leaves the rack 111 from the lower box end.

The embodiments of the present invention are the preferred embodiments of the present invention, and not limited to the above, wherein the same reference numerals are used for the same components. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An automatic case sealer, comprising:

the conveying mechanism (1) comprises a flat conveying assembly (11) and a clamping conveying assembly (12), wherein the flat conveying assembly (11) comprises a rack (111) and a plurality of flat conveying rollers (112) rotatably arranged on the rack (111), the clamping conveying assembly (12) comprises two sets of vertical conveying parts (121), and a clamping conveying space (122) is formed between the two sets of vertical conveying parts (121);

the cover folding mechanism (2) comprises a lifting frame (21) erected on the rack (111), wherein the lifting frame (21) is provided with a lifting seat (22) which slides along the vertical direction and a lifting driving piece (23) which drives the lifting seat (22) to slide, an inner cover folding component (24) and an outer cover folding component (25) are installed on the lifting seat (22), a distance adjusting sliding groove (221) used for installing the outer cover folding component (25) is formed in the lifting seat (22), the outer cover folding component (25) comprises two distance adjusting sliding blocks (252) which are arranged in the distance adjusting sliding groove (221) in a sliding mode and a distance adjusting bidirectional screw (253) which is arranged in the distance adjusting sliding groove (221) in a rotating mode, a first distance adjusting thread section and a second distance adjusting thread section which are opposite in rotating direction are arranged on the distance adjusting bidirectional screw (253), and one of the distance adjusting sliding blocks (252) is in threaded connection with the first distance adjusting thread section, the other distance adjusting sliding block (252) is in threaded connection with the second distance adjusting threaded section, and each distance adjusting sliding block (252) is provided with an inclined rod (251);

and the adhesive tape sticking mechanism (3) is arranged on the rack (111) and is used for sticking an adhesive tape.

2. An automatic box sealing machine as claimed in claim 1, characterized in that a central mounting table (254) is fixedly arranged at the middle part of the distance adjusting chute (221), and the middle part of the distance adjusting bidirectional screw (253) is rotatably connected with the central mounting table (254).

3. An automatic box sealing machine as claimed in claim 2, characterized in that both ends of the distance-adjusting bidirectional screw (253) are detachably provided with a limiting block (255) which is clamped with the distance-adjusting sliding groove (221).

4. The automatic box sealing machine as claimed in claim 3, wherein the end of the distance-adjusting bidirectional screw (253) penetrates through the sliding block (255), and a driving hand wheel (256) detachably connected with the distance-adjusting bidirectional screw (253) is arranged on one side of the sliding block (255) far away from the distance-adjusting chute (221).

5. An automatic box sealer as claimed in claim 2, wherein said inner lid folding assembly (24) comprises a pendulum (241) mounted to said lifting base (22) and a guide plate (242) detachably provided to said lifting base (22).

6. An automatic box sealing machine as claimed in claim 5, characterized in that the lifting seat (22) is provided with an embedded sliding groove (222) communicated with the middle of the distance adjusting sliding groove (221), an embedded sliding block (243) is slidably arranged in the embedded sliding groove (222), and the guide plate (242) is positioned on the embedded sliding block (243).

7. The automatic box sealing machine as claimed in claim 6, wherein the embedded sliding block (243) is provided with a through groove (2431) for the distance-adjusting bidirectional screw (253) to pass through, and the first distance-adjusting thread section and the second distance-adjusting thread section are symmetrical around the through groove (2431).

8. The automatic box sealing machine as claimed in claim 5, wherein the guide plate (242) comprises a vertical plate section (2421) mounted on the lifting seat (22) and a horizontal plate section (2422) fixedly arranged at the lower end of the vertical plate section (2421), one end of the vertical plate section (2421) far away from the lifting seat (22) is arranged in an arc shape, and the arc shape inclines upwards along the direction far away from the lifting seat (22).