CN115302844A - Carton folding device - Google Patents

Abstract

The invention discloses a carton folding device which comprises a paperboard transmission assembly, a carton transmission assembly, a folding assembly and an adhesion assembly, wherein the folding assembly and the adhesion assembly are arranged above the carton transmission assembly, the folding assembly is positioned at the input end of the carton transmission assembly, the paperboard transmission assembly is positioned on one side of the folding assembly, which is far away from the adhesion assembly, and the folding assembly comprises an installation support, a lifting mechanism and a swinging mechanism. The paper box packaging machine can automatically fold and bond paper boards to form a paper box for packaging, the folding assembly drives the paper boards to descend through the lifting mechanism and realizes primary folding of the paper boards under the limiting of the mounting bracket to form a bottom plate and a side plate of the paper box, the paper boards are pushed to be folded for the second time through the swinging of the swinging mechanism to form a top plate of the paper box, and finally the connecting parts of the side plate and the top plate of the paper box are bonded through the bonding assembly to form the paper box for packaging products.

Description

Carton folding device

Technical Field

The invention particularly relates to a carton folding device.

Background

At present, in the production process, generally, after the cardboard is folded into the carton by workers manually, products are boxed, higher labor cost is needed, and the production efficiency is lower.

Disclosure of Invention

The present invention provides a carton folding device to solve at least one of the above problems.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a carton folding device, includes cardboard transmission assembly, carton transmission assembly, folding assembly and bonding subassembly, and folding assembly and bonding subassembly locate carton transmission assembly's top, and folding assembly is located carton transmission assembly's input, and cardboard transmission assembly is located one side that folding assembly kept away from bonding subassembly, and folding assembly includes the installing support and locates elevating system and swing mechanism on the installing support.

In the above carton folding device, the mounting bracket comprises a bracket body and a plurality of baffles arranged on the bracket body, and the lifting mechanism is used for pressing the paperboards conveyed to the upper part of the carton conveying assembly by the paperboard conveying assembly, so that the lowered paperboards are folded under the action of the baffles to form the bottom wall and the side walls of the carton.

In above-mentioned carton folding device, the both sides of carton transmission subassembly all are equipped with elevating system, and elevating system includes lift platform, the driving piece and a pair of first jack catch of connecting in lift platform towards one side of cardboard of drive lift platform lift, still is equipped with the first cylinder that promotes first jack catch pivoted on the lift platform, and first cylinder promotes first jack catch and opens to press the cardboard under when lift platform descends.

In the above carton folding device, the driving member is a first driving motor, the output shaft of the first driving motor is connected with a lead screw, the lifting platform is provided with a lead screw nut, and the first driving motor drives the lifting platform to ascend or descend through the lead screw and the lead screw nut which are matched with each other.

In above-mentioned carton folding device, be connected with the mounting panel between the support body of carton transmission assembly both sides, the bottom of mounting panel is equipped with the action wheel, follows the driving wheel and at the driven belt of transmission between the two, and the lead screw of connecting on two lift platforms passes the mounting panel and links with action wheel and follow driving wheel on the mounting panel respectively, and first driving motor links to each other with one of them of two lead screws.

In the above carton folding device, the swing mechanism includes a second driving motor, a connecting rod and a horizontally arranged swing rod, the connecting rod is connected between the second driving motor and the swing rod, and the swing rod is driven to swing up and down to push the top wall of the carton to cover the top of the side wall.

In the above carton folding device, the mounting bracket is further provided with a pushing cylinder and a folding plate rotationally connected with the mounting bracket, and the pushing cylinder rotates to fold the top of the side wall of the carton to form a hinge through the pushing folding plate.

In the above carton folding device, the bonding assembly includes a bonding support, the bonding support is provided with a pressing cylinder and a glue gun for spraying glue on the hinge of the side wall of the carton, the pressing cylinder is provided with a pressing plate, and the pressing plate moves under the action of the pressing cylinder and presses the top plate of the carton on the hinge after spraying glue.

In the above carton folding device, the bonding assembly further comprises two pairs of second clamping jaws rotatably connected to the bonding support, the two pairs of clamping jaws are respectively located on two sides of the carton conveying assembly, a second cylinder for pushing the second clamping jaws to rotate is further arranged on the bonding support, and the second cylinder pushes the second clamping jaws to open so as to tension two sides of the carton when the pressing plate presses down.

In the above carton folding device, the carton conveying assembly comprises a conveyor belt and a limiting mechanism arranged on the conveyor belt, the limiting mechanism comprises an installation part fixed at the top of the conveyor belt, a middle part of the limiting mechanism is rotatably connected to the installation part and a driving air cylinder fixed at the bottom of the conveyor belt, a pressing plate located above the installation part is arranged at the upper end of the limiting part, a pushing plate located below the installation part is arranged at the lower end of the limiting part, and the driving air cylinder drives the pressing plate to rotate through the telescopic pushing plate so as to enable the pressing plate to limit the top plate of the carton or separate from the top plate of the carton.

The beneficial effects of the invention are:

the utility model provides a carton folding device, includes cardboard transmission assembly, carton transmission assembly, folding assembly and bonding subassembly, and folding assembly and bonding subassembly locate carton transmission assembly's top, and folding assembly is located carton transmission assembly's input, and cardboard transmission assembly is located one side that folding assembly kept away from bonding subassembly, and folding assembly includes the installing support and locates elevating system and swing mechanism on the installing support. The technical scheme has the following technical effects:

according to the invention, through the matching of the paper board transmission assembly, the paper box transmission assembly, the folding assembly and the bonding assembly, the paper board can be automatically folded and bonded by the paper box folding device to form a paper box for packaging, the folding assembly drives the paper board to descend through the lifting mechanism arranged on the mounting bracket and realizes the primary folding of the paper board under the limit of the mounting bracket so as to form the bottom plate and the side plate of the paper box, the paper board is pushed to be folded for the second time through the swinging of the swinging mechanism to form the top plate of the paper box, and finally, the bonding assembly bonds the joint of the side plate and the top plate of the paper box to form the paper box for packaging products.

The mounting bracket comprises a bracket body and a plurality of baffle plates arranged on the bracket body, and the lifting mechanism is used for pressing the paper plates conveyed to the upper part of the carton conveying assembly by the paper plate conveying assembly, so that the descending paper plates are folded under the action of the baffle plates to form the bottom wall and the side wall of the carton. The baffle can block spacingly to the partial position of cardboard for the cardboard is being pushed down the in-process, and the both sides of baffle receive the limiting displacement of a plurality of baffles, can take place first folding, with the diapire and the lateral wall of folding formation carton, need not to set up complicated movable mechanism and fold the cardboard, simplify carton folding device's structure, improve the folding stability of cardboard, and the baffle is not fragile, can increase of service life greatly.

Carton transmission component's both sides all are equipped with elevating system, and elevating system includes that elevating platform, drive elevating platform go up and down driving piece and a pair of first jack catch of connecting in one side of elevating platform towards the cardboard rotate, still is equipped with the first cylinder that promotes first jack catch pivoted on the elevating platform, and first cylinder promotes first jack catch and opens to nipper down when elevating platform descends. The cardboard is folding when, and the elevating system who is located the cardboard both sides can push down the cardboard simultaneously for the atress of cardboard both sides is balanced, and folding effect is better, promotes first jack catch through first cylinder and rotates, can open first jack catch when folding and realize the stability folding of cardboard, and withdraws first jack catch in order to prevent that the jack catch from stopping the carton to continue to remove to the bonding subassembly fast after folding.

The driving piece is a first driving motor, a screw rod is connected to an output shaft of the first driving motor, a screw nut is arranged on the lifting platform, the first driving motor drives the lifting platform to ascend or descend through the matched screw rod and the screw nut, the service life is prolonged, meanwhile, the micro-feeding can be precisely controlled between the screw rod and the screw nut, the transmission precision between the driving piece and the lifting platform can be greatly improved, and the lifting platform can be precisely moved to a set height to fold the paperboard.

Be connected with the mounting panel between the support body of carton transmission assembly both sides, the bottom of mounting panel is equipped with the action wheel, follows the driving wheel and at the driven belt of transmission between the two, and the lead screw of connecting on two lift platform passes the mounting panel and respectively with action wheel and follow driving wheel linkage on the mounting panel, and a driving motor links to each other with one of them of two lead screws. Through the action wheel, from the setting of driving wheel and drive belt, realize the interlock of two lead screws for two lift platforms only need can go up and down simultaneously through a driving motor, greatly reduced equipment weight and manufacturing cost.

The swing mechanism comprises a second driving motor, a connecting rod and a swing rod horizontally arranged, the connecting rod is connected between the second driving motor and the swing rod, and the swing rod is driven to swing up and down to push the top wall of the carton to cover the top of the side wall. The second driving motor rotates through driving the connecting rod to drive the swing rod at the end of the connecting rod to swing up and down, the swing rod can be in contact with the paper board and push the paper board to be folded in the process of swinging from top to bottom, so that the top wall of the top of the two side walls is covered, the paper board is folded into a paper box at the moment, then the output shaft of the second driving motor rotates reversely to drive the swing rod to swing up and reset through the connecting rod, the next swing is waited, the top of the paper box can be folded through a simple structure, and the operation is stable and reliable.

Still be equipped with on the installing support and promote the cylinder and rotate the folded plate of being connected with the installing support, promote the cylinder and rotate through promoting the folded plate and fold paper with the top bending type formation of carton lateral wall, the drive end of promoting the cylinder drives the folded plate through flexible and rotates, make the folded plate stretch out to the lateral wall of shorter one side, and fold out the top of this lateral wall and fold paper, spout glue and bond between the roof of follow-up carton and the curb plate in order to be convenient for, promote the folded plate through promoting the cylinder and fold paper in order to generate, the thrust of promoting the cylinder is big, be convenient for form fast and fold paper.

The bonding subassembly includes the bonding support, be equipped with on the bonding support and compress tightly the cylinder and to the gluey rifle of spouting on folding paper of carton lateral wall, be equipped with the pressure strip on the pressure cylinder, the pressure strip removes and compresses tightly the roof of carton on folding paper after spouting gluey under the effect that compresses tightly the cylinder, the output shaft that compresses tightly the cylinder moves down through driving the pressure strip, with compress tightly the roof of carton on the face of spouting gluey of folding paper, make folding paper of spraying glue firm with the roof bonding of carton, guarantee the intensity of carton, prevent the separation of carton junction.

The bonding assembly further comprises two pairs of second clamping jaws which are rotatably connected to the bonding support, the two pairs of clamping jaws are respectively located on two sides of the carton transmission assembly, a second cylinder for pushing the second clamping jaws to rotate is further arranged on the bonding support, and the second cylinder pushes the second clamping jaws to be opened so as to tension two sides of a carton when the pressing plate presses down. When the pressure strip pushes down, the side wall of the carton can not bend and deform under the extrusion of the pressure strip due to the arrangement of the second clamping jaw, the state of the carton is ensured, and after the bonding is finished, the second cylinder pushes the second clamping jaw to be turned and folded to be separated from the carton, so that the second clamping jaw is prevented from preventing the conveying belt from continuing conveying the bonded carton to the next process.

Carton transmission assembly includes the conveyer belt and locates the stop gear on the conveyer belt, stop gear is including fixing the installed part at conveyer belt top, the middle part rotates the locating part of connection on the installed part and fixes the actuating cylinder that drives in the conveyer belt bottom, the upper end of locating part has the clamp plate that is located the installed part top, the lower extreme of locating part has the push pedal that is located the installed part below, it drives the clamp plate rotation through flexible promotion push pedal to drive actuating cylinder, so that the clamp plate is spacing to the roof of carton or throw off with the roof of carton. After the cardboard is folded into the carton, the output shaft that drives actuating cylinder is by the extension state retraction for the locating part resets under the effect of torsional spring, so that the top wall of carton is pushed down to the clamp plate, makes the top wall of carton keep lieing in the position of folding paper top, prevents that the top wall of carton from freely keeping away from folding paper, so that follow-up bonding of going on.

The features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

The invention is further described with reference to the accompanying drawings and the detailed description below:

fig. 1 is a perspective view of a carton folding device of the present invention;

fig. 2 is a schematic view of a carton folding apparatus according to the present invention for folding a carton;

FIG. 3 is a partial schematic view of a carton folding apparatus of the present invention;

FIG. 4 is a first perspective view of the folding assembly;

FIG. 5 is a second perspective view of the folding assembly;

FIG. 6 is a perspective view of the adhesive assembly;

FIG. 7 is a perspective view of a spacing mechanism;

FIG. 8 is a schematic view of an unfolded paperboard sheet;

FIG. 9 is a schematic view of a sheet of paperboard after an initial fold;

fig. 10 is a schematic view of the folded carton.

Reference numerals:

100. a paperboard transport assembly;

200. a carton transport assembly; 210. a conveyor belt; 220. a limiting mechanism; 221. a mounting member; 222. a driving cylinder; 223. a stopper; 2231. pressing a plate; 2232. pushing the plate; 224. a torsion spring;

300. a folding assembly; 310. mounting a bracket; 311. a frame body; 312. a baffle plate; 313. mounting a plate; 3131. a driving wheel; 3132. a driven wheel; 3133. a transmission belt; 314. a push cylinder; 315. folding the plate; 320. a lifting mechanism; 321. a lifting platform; 322. a first jaw; 323. a first cylinder; 324. a drive member; 325. a screw rod; 326. a feed screw nut; 330. a swing mechanism; 331. a second drive motor; 332. a connecting rod; 333. a swing rod;

400. bonding the assembly; 410. bonding a bracket; 420. a pressing cylinder; 430. a compression plate; 440. a glue gun; 450. a second jaw; 460. a second cylinder;

510. a paperboard; 520. a carton; 521. a bottom wall; 522. a side wall; 523. folding; 524. a top wall.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example (b):

a carton folding apparatus, as shown in fig. 1 to 10, comprises a carton conveying assembly 100, a carton conveying assembly 200, a folding assembly 300 and an adhesive assembly 400, wherein the folding assembly 300 and the adhesive assembly 400 are disposed above the carton conveying assembly 200, the folding assembly 300 is disposed at an input end of the carton conveying assembly 200, and the carton conveying assembly 100 is disposed at a side of the folding assembly 300 away from the adhesive assembly 400. The sheet conveying assembly 100 is used for conveying the unfolded sheets 510 to the folding assembly 300, the folding assembly 300 comprises a mounting bracket 310, and a lifting mechanism 320 and a swinging mechanism 330 which are arranged on the mounting bracket 310, so as to fold the sheets 510 into the cartons 520 and press the cartons 520 to the carton conveying assembly 200 for conveying, and the bonding assembly 400 bonds joints of the cartons 520 during conveying of the cartons 520.

As shown in fig. 3, in the present embodiment, the mounting bracket 310 includes a bracket body 311 and a plurality of baffles 312, and the plurality of baffles 312 are respectively disposed at different positions on the bracket body 311. The baffle 312 can block the part position of cardboard 510 spacingly for cardboard 510 is being pushed down the in-process, and the both sides of baffle 312 receive the limiting displacement of a plurality of baffles 312, can take place for the first time folding, with folding bottom wall 521 and the lateral wall 522 that forms carton 520, need not to set up complicated movable mechanism and fold cardboard 510, simplify carton folding device's structure, improve the folding stability of cardboard 510, and baffle 312 is not fragile, can increase of service life greatly.

The folding assembly 300 comprises two mounting brackets 310, two lifting mechanisms 320 and two swinging mechanisms 330, wherein the two lifting mechanisms 320 are respectively and symmetrically arranged on the mounting brackets 310 at two sides of the carton conveying assembly 200. The lifting mechanism 320 comprises a lifting platform 321 and a driving part 324, the driving part 324 is fixed on the mounting bracket 310, the driving end of the driving part 324 is connected with the lifting platform 321 to drive the lifting platform 321 to move up and down, a pair of first claws 322 and a pair of first cylinders 323 are arranged on the lifting platform 321, the first claws 322 are rotatably connected to one side of the lifting platform 321 close to the paper board 510, and the two first cylinders 323 are respectively connected with the two first claws 322 to drive the first claws 322 to rotate. A pushing cylinder 314 and a flap 315 are further arranged on the mounting bracket 310, the flap 315 is rotatably connected to the mounting bracket 310, and the output end of the pushing cylinder 314 is connected with the flap 315, so that the pushing cylinder 314 rotates through the pushing flap 315 to bend the top of the side wall 522 of the carton 520 to form a hinge 523. The swing mechanism 330 in this embodiment includes a second driving motor 331, a connecting rod 332, and a swing rod 333 horizontally disposed on the mounting bracket 310, the connecting rod 332 is connected between an output shaft of the second driving motor 331 and the swing rod 333, and the second driving motor 331 drives the connecting rod 332 to rotate so as to drive the swing rod 333 at the end of the connecting rod 332 to swing up and down.

As shown in fig. 7, the carton conveying assembly 200 includes a conveyor belt 210 and a limiting mechanism 220 disposed on the conveyor belt 210, the limiting mechanism 220 includes a mounting member 221 fixed on the top of the conveyor belt 210, a driving cylinder 222 fixed on the bottom of the conveyor belt 210, and a limiting member 223 rotatably connected to the mounting member 221 at the middle portion, a torsion spring 224 is further disposed between the limiting member 223 and the mounting member 221, and the torsion spring 224 can limit the limiting member 223 so that the limiting member 223 is maintained at a position where the top wall 524 of the carton 520 is pressed against the hinge 523. The driving cylinder 222 is located right below the mounting member 221, the upper end of the limiting member 223 is bent to form a pressing plate 2231 located above the mounting member 221, the lower end of the limiting member 223 is bent to form a pushing plate 2232 located below the mounting member 221, an output shaft of the driving cylinder 222 is arranged upward, and can extend upward to drive the limiting member 223 to be away from the carton 520 by pushing the pushing plate 2232, and when the output shaft of the driving cylinder 222 retracts, the limiting member 223 can be reset under the action of the torsion spring 224.

The folding process for the carton 520 is as follows:

1. when the paper board conveying assembly 100 conveys the unfolded paper board 510 in fig. 8 to the position right above the input end of the carton conveying assembly 200, the lifting platforms 321 on both sides of the paper board 510 are higher than the paper board 510, the first cylinder 323 on the lifting platforms 321 drives the first jaw 322 to open to the position above the paper board 510, and then the driving member 324 drives the lifting platforms 321 to descend, so that the first jaw 322 presses the paper board 510 down onto the carton conveying assembly 200 while the lifting platforms 321 descend, as shown in fig. 2, the paper board 510 is limited by the plurality of baffles 312 during the process of being pressed down, and the initial folding occurs, so that the paper board 510 is folded into the structure with the bottom wall 521 and the two side walls 522 as shown in fig. 9.

2. The driving end of the pushing cylinder 314 drives the flap 315 to rotate by stretching, so that the flap 315 extends out of the side wall 522 on the shorter side, and the top of the side wall 522 is folded out of the hinge 523.

3. The output shaft of the second driving motor 331 drives the connecting rod 332 to rotate, so that the swing link 333 at the end of the connecting rod 332 swings downwards along with the connecting rod 332, as shown in fig. 3, the swing link 333 contacts with the longer side wall 522 and pushes the longer side wall 522 to fold in the process of swinging from top to bottom, as shown in fig. 10, so as to form a top wall 524 covering the tops of the two side walls 522, at this time, the paper sheet 510 is folded into a paper box 520, and then the output shaft of the second driving motor 331 rotates reversely to drive the swing link 333 to swing upwards through the connecting rod 332 and reset, so as to wait for the next swing.

4. After the paper board 510 is folded into the paper box 520, the output shaft of the driving cylinder 222 is retracted from the extended state, so that the stopper 223 is reset by the torsion spring 224, so that the pressing plate 2231 presses the top wall 524 of the paper box 520 down, so that the top wall 524 of the paper box 520 is kept at a position above the hinge 523.

5. The first cylinder 323 on the lifting platform 321 drives the first claw 322 to rotate and fold to the side of the lifting platform 321 to release from the position extending into the carton 520, so that the folded carton 520 continues to move toward the splicing assembly 400 under the pushing of the conveyor belt 210 and the limiting mechanism 220, and meanwhile, the driving member 324 drives the lifting platform 321 to ascend and reset to wait for the next folding.

The driving member 324 in this embodiment may be an air cylinder or a motor, and preferably, the driving member 324 is a first driving motor, an output shaft of the first driving motor is connected with a lead screw 325, the lifting platform 321 is provided with a lead screw nut 326 penetrating and fixed on the lifting platform 321, and the lead screw 325 is matched with the lead screw nut 326, so that the output shaft of the first driving motor drives the lead screw 325 to rotate through rotation, and the rotating lead screw 325 drives the lead screw nut 326 and the lifting platform 321 to ascend or descend. Through setting driving piece 324 into first driving motor to set up lead screw 325 and screw-nut 326 between first driving motor and lift platform 321 and carry out the transmission, increase of service life in the time, can control the microfeed between lead screw 325 and screw-nut 326 minutely, can improve the transmission precision between driving piece 324 and the lift platform 321 greatly, make the lift platform 321 can accurately move to setting for the height in order to fold cardboard 510. Of course, it can be understood that, in order to prevent the lifting platform 321 from shaking in the horizontal direction when moving up and down, the mounting bracket 310 is provided with a guide rail, and the guide rail penetrates through the lifting platform 321, so that the lifting platform 321 can slide up and down along the guide rail, and the stability of the lifting platform 321 is ensured.

In this embodiment, as shown in fig. 5, it is preferable that mounting plates 313 are connected between the mounting brackets 310 on both sides of the conveyor 210, a driving wheel 3131, a driven wheel 3132 and a conveyor 3133 driven therebetween are disposed at the bottom of the mounting plates 313, the screw rods 325 connected to the two lifting platforms 321 penetrate through the mounting plates 313 and are respectively coupled to the driving wheel 3131 and the driven wheel 3132 at the bottom of the mounting plates 313, and only one first driving motor is disposed and is disposed on the top of one of the two screw rods 325 and connected to the screw rod 325. Through the setting of action wheel 3131, follow driving wheel 3132 and drive belt 3133, realize the interlock of two lead screws 325 for two lift platforms 321 only need can go up and down simultaneously through a driving motor, greatly reduced equipment weight and manufacturing cost.

As shown in fig. 6, the bonding assembly 400 in this embodiment includes a bonding frame 410, a pressing cylinder 420, and a glue gun 440, wherein the pressing cylinder 420 is fixed on the bonding frame 410, an output shaft of the pressing cylinder 420 faces downward and is connected to a pressing plate 430, the output shaft of the pressing cylinder 420 can drive the pressing plate 430 to move up and down, and the glue gun 440 is obliquely disposed on the bonding frame 410 for spraying glue on a side of the hinge 523 facing a top wall 524 of the carton 520. The gluing assembly 400 further comprises two pairs of second jaws 450 rotatably coupled to the gluing bracket 410 and a second air cylinder 460 pushing the second jaws 450 to rotate, the two pairs of second jaws 450 being disposed at both sides of the carton conveying assembly 200.

When the folded carton 520 moves to the bonding assembly 400, the second cylinder 460 pushes the second jaw 450 to open and extend into the carton 520 to tension and support the two side walls 522 of the carton 520, then the obliquely arranged glue gun 440 sprays glue on the hinge 523, then the output shaft of the pressing cylinder 420 drives the pressing plate 430 to move downwards to press the top wall 524 of the carton 520 against the glue spraying surface of the hinge 523, so that the hinge 523 sprayed with the glue is firmly bonded with the top wall 524 of the carton 520, the strength of the carton 520 is ensured, the joint of the carton 520 is prevented from being separated, then the pressing plate 430 moves upwards, and meanwhile, the second cylinder 460 pushes the second clamp to rotate and close to be separated from the carton 520, so that the carton 520 after being bonded is continuously conveyed to the next process through the conveyor belt 210. When the pressing plate 430 presses down, the second jaw 450 is arranged so that the side wall 522 of the carton 520 is not bent and deformed by the pressing of the pressing plate 430, thereby ensuring the state of the carton 520.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. The utility model provides a carton folding device which characterized in that: including cardboard transmission assembly, carton transmission assembly, folding assembly and bonding assembly, folding assembly with bonding assembly locates carton transmission assembly's top, folding assembly is located carton transmission assembly's input, cardboard transmission assembly is located folding assembly keeps away from one side of bonding assembly, folding assembly includes the installing support and locates elevating system and swing mechanism on the installing support.

2. A carton folding apparatus as claimed in claim 1, wherein: the installing support includes support body and a plurality of baffle of locating on the support body, elevating system is through pushing down the cardboard that conveys by cardboard transmission assembly to carton transmission assembly top to make the cardboard that descends fold the diapire and the lateral wall that form the carton under the effect of baffle.

3. A carton folding apparatus as claimed in claim 2, wherein: carton transmission unit's both sides all are equipped with elevating system, elevating system includes lift platform, the driving piece and a pair of first jack catch of connecting in one side of lift platform orientation cardboard that drive lift platform goes up and down, still be equipped with the promotion on the lift platform first jack catch pivoted first cylinder, first cylinder promotes first jack catch opens to nipper under when lift platform descends.

4. A carton folding apparatus as claimed in claim 3, wherein: the lifting platform is characterized in that the driving piece is a first driving motor, a screw rod is connected to an output shaft of the first driving motor, a screw rod nut is arranged on the lifting platform, and the first driving motor drives the lifting platform to ascend or descend through the screw rod and the screw rod nut which are matched with each other.

5. A carton folding apparatus as claimed in claim 4, characterized in that: the carton conveying assembly is characterized in that a mounting plate is connected between the frame bodies on two sides of the carton conveying assembly, a driving wheel, a driven wheel and a transmission belt are arranged at the bottom of the mounting plate, the driving wheel and the driven wheel are in transmission, the screw rods connected to the two lifting platforms penetrate through the mounting plate and are respectively linked with the driving wheel and the driven wheel on the mounting plate, and the first driving motor is connected with one of the two screw rods.

6. A carton folding apparatus as claimed in claim 2, wherein: the swing mechanism comprises a second driving motor, a connecting rod and a swing rod horizontally arranged, the connecting rod is connected between the second driving motor and the swing rod, and the swing rod is driven to swing up and down to push the top wall of the carton to cover the top of the side wall.

7. A carton folding apparatus as claimed in claim 2, wherein: still be equipped with on the installing support and promote the cylinder and with the folded plate of installing support rotation connection, promote the cylinder through promoting the folded plate rotates in order to fold paper with the top bending type of carton lateral wall.

8. The carton folding device according to claim 7, characterized in that: the bonding assembly comprises a bonding support, a pressing cylinder and a glue gun for spraying glue on the hinge of the side wall of the carton are arranged on the bonding support, a pressing plate is arranged on the pressing cylinder, and the pressing plate moves under the action of the pressing cylinder and presses the top plate of the carton on the hinge after glue spraying.

9. A carton folding apparatus as claimed in claim 8, wherein: the bonding assembly further comprises two pairs of second clamping jaws which are rotatably connected to the bonding support, the two pairs of second clamping jaws are respectively located on two sides of the carton transmission assembly, a second cylinder for pushing the second clamping jaws to rotate is further arranged on the bonding support, and the second cylinder pushes the second clamping jaws to be opened so as to tension two sides of the carton when the pressing plate is pressed down.

10. A carton folding apparatus as claimed in claim 1, wherein: carton transmission assembly includes the conveyer belt and locates the stop gear on the conveyer belt, stop gear is including fixing installed part, the middle part at conveyer belt top rotate the locating part of connection on the installed part and fix drive actuating cylinder bottom the conveyer belt, the upper end of locating part has the clamp plate that is located the installed part top, the lower extreme of locating part has the push pedal that is located the installed part below, it drives actuating cylinder through flexible promotion the push pedal drives the clamp plate rotates, so that the clamp plate is spacing to the roof of carton or throw off with the roof of carton.

Images