CN213108430U - Novel automatic carton nailing equipment for rectangular cartons - Google Patents

Abstract

The utility model belongs to the technical field of carton nailing machines, in particular to a novel automatic carton nailing device for rectangular cartons, which comprises a bearing rack; forming a mold: forming mould for paper box; carton side folding mechanism: including the square bar is rolled over in the left side, the square bar is rolled over on the right side, the square bar is rolled over to the upside, bottom sprag mechanism and drive respectively and roll over the square bar wobbling and roll over square bar actuating mechanism, the square bar is rolled over in the left side and the square bar is rolled over on the right side and the left and right sides at forming die respectively to the side, and the square bar is rolled over to the upside is located forming die's top, and bottom sprag mechanism is located forming die's below for the paper feeding boxboard provides the support, pushes away the case mechanism: including push pedal and drive push pedal reciprocating motion's push pedal actuating mechanism, push pedal actuating mechanism can promote the carton and remove to the delivery side to accomplish continuous nailing system through the box press, the utility model discloses degree of automation is high, and reducible manual work is participated in, and the operation is stable, and machining efficiency is high, size precision advantage such as high can effectively avoid the incision, excessive coincidence, the great scheduling problem of interface seam.

Description

Novel automatic carton nailing equipment for rectangular cartons

Technical Field

The utility model belongs to the technical field of the carton stapler, in particular to novel automatic carton nailing equipment of rectangle carton.

Background

The existing carton stapler comprises a common carton stapler, a semi-automatic carton stapler and a full-automatic carton stapler; ordinary box nailing machine and semi-automatic box nailing machine need staff's extensive participation, and degree of automation is not high, and box nailing inefficiency, and current semi-automatic and full-automatic box nailing machine has the precision poor, seam size defects such as uncontrollable, often can appear scissors edge, excessive coincidence, interface seam big scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel automatic case equipment of nailing of rectangle carton can solve the problem that points out among the background art.

A novel automatic carton nailing device for rectangular cartons comprises a bearing rack, a forming die, a carton square folding mechanism, a carton pushing mechanism and a carton nailing machine head;

forming a mold: the paper box is a forming die of a paper box, and the paper box plates form a rectangular paper box after being wound for one circle along the outline of the forming die;

carton side folding mechanism: the paper box folding mechanism comprises a left side folding square rod, a right side folding square rod, an upper side folding square rod, a bottom supporting mechanism and a folding square rod driving mechanism for driving the folding square rod to swing respectively, wherein the left side folding square rod and the right side folding square rod are respectively arranged on the left side and the right side of a forming die, the upper side folding square rod is positioned above the forming die, the bottom supporting mechanism is positioned below the forming die and used for supporting a paper box plate and forming a gap with the bottom of the forming die, and the gap is used for the paper box plate to pass through;

a box pushing mechanism: the automatic carton nailing machine comprises a push plate and a push plate driving mechanism for driving the push plate to reciprocate, wherein the push plate driving mechanism can push a carton to move to a discharging side and complete continuous nailing through a nailing machine head.

Preferably, one side of the upper end of the forming die is provided with a right-angle positioning plate, an opening of the right-angle positioning plate faces one side of the forming die, and the right-angle positioning plate drives the right-angle positioning plate to reciprocate through a right-angle positioning plate driving mechanism.

Preferably, the forming die comprises four positioning plates, and the four positioning plates are divided into four corners to form a rectangular positioning frame.

Preferably, it still includes left side hold-down mechanism and right side hold-down mechanism, left side hold-down mechanism and right side hold-down mechanism live in forming die's the upper left side and the upper right side, and right side hold-down mechanism passes through its reciprocating motion of right angle locating plate actuating mechanism drive, left side hold-down mechanism realizes its reciprocating motion through compressing tightly actuating mechanism to realize respective compressing tightly, left side hold-down mechanism and right side hold-down mechanism and bottom sprag mechanism includes the backup pad respectively and sets up a plurality of elasticity of backup pad and compresses tightly the guide pulley.

Preferably, the elasticity compresses tightly the guide pulley and includes dwang, guide pulley and extension spring, the dwang slope sets up, and its incline direction is carton ejection of compact direction, and its one end rotates to be connected in the backup pad, and the other end is equipped with the guide pulley, extension spring one end is connected at the backup pad other end and is connected at the dwang.

Preferably, the square bar folding driving mechanism comprises a servo motor, the driving mechanism for driving the left square bar folding rod and the right square bar folding rod further comprises a first synchronous belt, the first synchronous belt is driven to rotate by the first servo motor, a driven wheel of the first synchronous belt is connected with the left square bar folding rod/the right square bar folding rod, the first synchronous belt and the first servo motor for driving the first synchronous belt are respectively arranged on the left fixing plate and the right fixing plate, bottom supporting mechanisms are respectively fixedly arranged above the left fixing plate and the right fixing plate, a fifth servo motor is used for driving the upper square bar folding rod, and the output end of the fifth servo motor is connected with the upper square bar folding rod;

the push plate driving mechanism comprises a second servo motor and a second synchronous belt, and the push plate is fixed on a belt of the second synchronous belt;

the right-angle positioning plate driving mechanism comprises a third servo motor and a first rack sliding rail, and the right-angle positioning plate and the right-side pressing mechanism are fixed on a sliding seat of the first rack sliding rail;

the pressing driving mechanism comprises a fourth servo motor and a second rack sliding rail, and the fifth servo motor and the left pressing mechanism are fixed on a sliding seat of the second rack sliding rail;

preferably, the left fixing plate is driven by the fixing plate driving mechanism to reciprocate so as to change the distance between the left fixing plate and the right fixing plate, and the right fixing plate is fixed on the bearing rack;

the positioning plates comprise a first positioning plate and a second positioning plate on the left side and a third positioning plate and a fourth positioning plate on the right side, the first positioning plate is driven by a first positioning plate driving mechanism to reciprocate so as to change the distance between the first positioning plate and the third positioning plate on the opposite side, and the second positioning plate is driven by a second positioning plate driving mechanism to reciprocate so as to change the distance between the second positioning plate and the fourth positioning plate on the opposite side;

the pressing driving mechanism drives the pressing driving mechanism to reciprocate through the first driving mechanism so as to realize the position matching of the pressing driving mechanism and the first positioning plate and the second positioning plate;

the first driving mechanism, the first locating plate driving mechanism, the nail box machine head, the right-angle locating plate driving mechanism, the push plate driving mechanism and the third locating plate are all fixed on the lifting frame, and the lifting frame is lifted through the lifting frame driving mechanism.

Preferably, fixed plate actuating mechanism, first locating plate actuating mechanism, second locating plate actuating mechanism and first actuating mechanism all include servo motor and electronic slip table, crane actuating mechanism 81 is electronic lead screw lift, and it drives through sixth servo motor.

Preferably, the automatic feeding device further comprises a position switch, wherein the position switch is used for monitoring whether the carton board is fed or not, the position switch is fixed on the bottom supporting mechanism, and the position switch is a photoelectric sensor.

Preferably, the push plate comprises a U-shaped plate member and a transverse plate member fixed to one side of the U-shaped plate member for enlarging a contact area.

Has the advantages that: the utility model relates to a novel automatic case equipment of nailing of rectangle carton, degree of automation is high, and reducible manual work is participated in, and the operation is very stable, and machining efficiency is advantage such as very high, size precision height, especially can effectively avoid the incision, excessive coincidence, the great scheduling problem of interface seam.

Drawings

FIG. 1 is a schematic view of the forming and nailing mechanism of the present invention,

FIG. 2 is a schematic structural view of the forming nailing mechanism and carton board of the present invention,

FIG. 3 is a schematic structural view of the forming nail mechanism of the present invention at an angle to the rear side of the carton board,

figure 4 is a schematic structural view of the elastic pressing guide wheel of the utility model,

figure 5 is a first structural diagram of the lower half of the utility model,

figure 6 is a second structural diagram of the lower half of the present invention,

figure 7 is a top view of the lower half of the present invention,

figure 8 is a schematic view of the overall structure of the present invention,

figure 9 is a schematic overall front view of the present invention,

figure 10 is an overall top schematic view of the inventive belted carton,

figure 11 is a schematic diagram of the push plate structure of the present invention,

description of reference numerals:

reference numbers in the figures: a bearing frame 1; a movable frame 2; a positioning plate 21; a positioning plate 211; a positioning plate 212; a positioning plate 213; positioning plate 214; a right angle positioning plate 22; a right-angle positioning plate drive mechanism 23; a third servo motor 231; a first rack slide rail 232; a left folding square bar 31; a right folding square bar 32; an upper folding square bar 33; a square bar folding drive mechanism 34; a first servo motor 341; a first synchronization belt 342; a fixed plate 343; a fifth servo motor 344; a bottom support mechanism 35; a resilient pinch roller 36; a support plate 37; a left hold-down mechanism 38; a right pressing mechanism 39; a pressing drive mechanism 40; a fourth servo motor 401; a second rack slide 402; a push plate 41; a U-shaped plate 411; a transverse plate member 412; a push plate drive mechanism 42; a second servo motor 421; a second timing belt 422; a mounting frame 43; a nail box machine head 5; a first positioning plate drive mechanism 61; a second positioning plate drive mechanism 62; a first drive mechanism 63; a fixed plate driving mechanism 71; a crane driving mechanism 81; a sixth servo motor 82; a position switch 9; a carton board 10; carton board feeder 11.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

Example 1:

as shown in fig. 1-4, in the novel automatic carton nailing device for rectangular cartons provided by the embodiment of the present invention, each of the actuating elements and the detecting elements is programmed by a touch screen PLC integrated machine to realize corresponding actions of automatic operation, and the feeding end of the actuating elements can cooperate with the chain type carton board feeding machine 11 to complete feeding through the carton board feeding machine 11;

the device comprises a bearing rack 1 and a forming nailing mechanism; the forming nailing mechanism comprises a forming die, a carton square folding mechanism, a box pushing mechanism and a box nailing machine head 5;

the bearing frame 1 is a bearing frame and a component mounting base frame;

with particular reference to fig. 1-3, the forming die: the paper box is a forming die of a paper box, and the paper box plates form a rectangular paper box after being wound for one circle along the outline of the forming die; the forming die comprises four positioning plates 21, each positioning plate 21 comprises a first positioning plate 211 and a second positioning plate 212 on the left side and a third positioning plate 213 and a fourth positioning plate 214 on the right side, and the four positioning plates 21 are divided into four corners to form a rectangular positioning frame;

as shown particularly in connection with fig. 1-3, the carton squaring mechanism: the folding device comprises a left side folding square rod 31, a right side folding square rod 32, an upper side folding square rod 33, a bottom supporting mechanism 35 and a folding square rod driving mechanism 34 for respectively driving the folding square rods to swing, wherein the left side folding square rod 31 and the right side folding square rod 32 are respectively arranged on the left side and the right side of a forming die, the upper side folding square rod 33 is arranged above the forming die, the bottom supporting mechanism 35 is arranged below the forming die and used for supporting a carton board 10 and forming a gap with the bottom of the forming die, the gap is used for the carton board 10 to pass through, and the left side folding square rod 31, the right side folding square rod 32 and the upper side folding square rod 33 are respectively used for folding the left side, the right side and the upper side of the carton board 10 to enable each side of the carton board 10 to be attached to the forming die; the method specifically comprises the following steps: the square folding rod driving mechanism 34 comprises a servo motor, wherein the driving mechanism for driving the left square folding rod 31 and the right square folding rod 32 further comprises a first synchronous belt 342, the first synchronous belt 342 is driven to rotate by a first servo motor 341, a driven wheel of the first synchronous belt 342 is connected with the left square folding rod 31/the right square folding rod 32, the first synchronous belt 342 and the first servo motor 341 for driving the first synchronous belt 342 are respectively installed on the left fixing plate 343 and the right fixing plate 343, and bottom supporting mechanisms 35 are respectively fixedly arranged above the left fixing plate 343 and the right fixing plate 343; the fifth servo motor 344 is used for driving the upper side folding square rod 33, the output end of the fifth servo motor is connected with the upper side folding square rod 33, the servo motors are set to rotate in the positive and negative directions, so that the folding square rods can swing, and the swing amplitude is preferably 90 degrees;

as shown in particular in connection with fig. 1-3, the box pushing mechanism: the automatic nailing machine comprises a push plate 41 and a push plate driving mechanism 42 for driving the push plate 41 to reciprocate, wherein the push plate driving mechanism 42 can push a carton to move to the discharging side and finish continuous nailing through a nail box machine head 5, the nail box machine head 5 adopts a servo motor to drive the carton to work, the push plate driving mechanism 42 comprises a second servo motor 421 and a second synchronous belt 422, the push plate 41 is fixed on a belt of the second synchronous belt 422, the push plate 41 is driven by the belt to push the folded carton board 10 to move to the discharging side, and in the moving process, the nail box machine head 5 finishes continuous nailing;

in order to effectively avoid the occurrence of the scissors edge, referring to fig. 11, the pushing plate 41 includes a U-shaped plate 411 and a transverse plate 412 fixed on one side of the U-shaped plate 411 for enlarging the contact area, one side of the plate 412 is used for pushing the carton board 10 outside the third positioning plate 213 and the fourth positioning plate 214, and the other side of the U-shaped plate 411 is used for pushing the upper side of the carton board 10, so that the pushing plate 41 can simultaneously push the upper side and the right side of the carton board 10 to move simultaneously, so that the position synchronization can be maintained during the nailing process, and the occurrence of the scissors edge can be effectively avoided.

Provide the spacing support of shaping through forming die for the carton, through bottom sprag mechanism 35 and a left side, right side, the side is rolled over the square pole and is accomplished automatic side of rolling over, make the better laminating of carton board 10 each side on forming die, its size precision is higher, the shaping is more stable, and at this in-process, reduce artifical the participation, degree of automation is high, its machining efficiency also corresponding improvement, realize continuous nailing system through pushing away the cooperation of case mechanism and nail case aircraft nose 5 at last.

Example 2:

with reference to fig. 1-3 in particular, on the basis of embodiment 1, in order to further improve the dimensional accuracy, effectively avoid the problems of excessive overlapping, large seam, and the like, and improve the quality of finished products, a right-angle positioning plate 22 is disposed on one side of the upper end of the forming mold, an opening of the right-angle positioning plate 22 faces one side of the forming mold, the right-angle positioning plate 22 is driven by a right-angle positioning plate driving mechanism 23 to reciprocate, the right-angle positioning plate driving mechanism 23 includes a third servo motor 231 and a first rack sliding rail 232, and the right-angle positioning plate 22 is fixed on a sliding seat of the first rack sliding rail 232; the right angle positioning plate 22 is one of the core utility model points of the utility model, the joint of the carton board 10 is positioned through the right angle positioning plate 22, the right angle positioning plate 22 is positioned at the upper right corner of the forming die, the horizontal plate of the right angle positioning plate 22 is attached to the upper surface of the third positioning plate 213, the joint of the carton board 10 is positioned at the upper right corner of the forming die, the left side surface of the carton board 10 is attached to the left side of the forming die, and the upper surface of the carton board is abutted against the bottom surface of the horizontal plate and is positioned through the horizontal plate; the right side end of the upper side of the carton board 10 abuts against the inner side of the vertical board of the right-angle positioning board 22, and the size of the joint seam is correspondingly determined at the time through the positioning of the vertical board, so that the problems of a scissor edge, excessive coincidence, large joint seam and the like can be effectively avoided in the nailing process.

As shown in fig. 1-4, in order to make the nailing process more stable and the size more accurate, the carton board nailing machine further comprises a left pressing mechanism 38 and a right pressing mechanism 39, the left and right sides of the carton board 10 are tightly attached to the forming mold through the two pressing mechanisms, the left pressing mechanism 38 and the right pressing mechanism 39 are respectively arranged at the left upper side and the right upper side of the forming mold, and the right pressing mechanism 39 is fixed on the sliding seat of the first rack sliding rail 232; the right-angle positioning plate driving mechanism 23 drives the left-side pressing mechanism 38 to reciprocate, the left-side pressing mechanism 38 realizes the reciprocating motion through the pressing driving mechanism 40, the pressing driving mechanism 40 comprises a fourth servo motor 401 and a second rack slide rail 402, and a fifth servo motor 344 and the left-side pressing mechanism 38 are fixed on a slide seat of the second rack slide rail 402; in order to realize respective compressing tightly, left side hold-down mechanism 38 and right side hold-down mechanism 39 and bottom sprag mechanism 35 includes backup pad 37 and sets up a plurality of elasticity of backup pad 37 and compresses tightly guide pulley 36 respectively, combines fig. 4, elasticity compresses tightly guide pulley 36 and includes dwang 361, guide pulley 362 and extension spring 363, dwang 361 inclines to set up, and its incline direction is carton ejection of compact direction, and its one end rotates to be connected in backup pad 37, and the other end is equipped with guide pulley 362, extension spring 363 one end is connected at the backup pad other end and is connected in dwang 361, sets up elasticity and compresses tightly guide pulley 36 and can hug closely each face of carton board 10 with the forming die, does not hinder the box pushing mechanism again and promote the carton to the ejection of compact side, so set up the incline direction of dwang as carton ejection of compact direction, can be convenient for.

Example 3:

as shown in fig. 5 to 10, on the basis of embodiment 1 or embodiment 2, in order to meet the nailing requirements of carton boards 10 of different sizes, the forming mold is adjustable, the specification and size of the forming mold are adjusted according to the size of the carton, and in addition, the corresponding structure is adjusted synchronously with the carton, specifically:

the first positioning plate 211 is driven to reciprocate by the first positioning plate driving mechanism 61 to change the distance from the third positioning plate 213 on the opposite side, and the second positioning plate 212 is driven to reciprocate by the second positioning plate driving mechanism 62 to change the distance from the fourth positioning plate 214 on the opposite side; the fourth positioning plate 214 is fixed on the carrier frame 1, and is fixed, the first positioning plate 211 and the second positioning plate 212 move synchronously, and the size of the forming mold in the width direction is adjusted;

the left fixing plate 343 is driven to reciprocate by the fixing plate driving mechanism 71 to change the distance from the right fixing plate 343, the right fixing plate 343 is fixed on the bearing frame 1, and the position of the left square folding rod 31, the position of the left square folding rod driving mechanism 34 and the position of the left bottom supporting mechanism 35 can be adjusted by the structure so as to match the positions of the left first positioning plate 211 and the left second positioning plate 212;

the pressing driving mechanism 40 is driven to reciprocate by the first driving mechanism 63, the pressing driving mechanism 40 is fixed on the mounting frame 43, and the mounting frame 43 is fixed on a sliding seat of the first driving mechanism 63, so that the pressing driving mechanism 40 is matched with the first positioning plate 211 and the second positioning plate 212; the fixed plate driving mechanism 71, the first positioning plate driving mechanism 61, the second positioning plate driving mechanism 62 and the first driving mechanism 63 all comprise a servo motor and an electric sliding table,

the first driving mechanism 63, the first positioning plate driving mechanism 61, the nail box head 5, the right-angle positioning plate driving mechanism 23, the push plate driving mechanism 42 and the third positioning plate 213 are all fixed on the lifting frame 2, the lifting frame 2 is lifted through a lifting frame driving mechanism 81, the lifting frame driving mechanism 81 is an electric screw rod lifter, driven by the sixth servo motor 82, the height of the first positioning plate 212 and the third positioning plate 213 can be adjusted through the structure, the size of the forming die in the height direction is adjusted, because the first driving mechanism 63, the nail box head 5, the right-angle positioning plate driving mechanism 23 and the push plate driving mechanism 42 are all fixed on the same lifting frame 2, therefore, the heights of the left pressing mechanism 38, the right pressing mechanism 39, the right-angle positioning plate 22, the nail box head 5, the push plate driving mechanism 42 and the like can be synchronously adjusted with the first positioning plate 212 and the third positioning plate 213.

Example 4:

with reference to fig. 1 in particular, on the basis of embodiment 1 or embodiment 2 or embodiment 3, it still includes position switch 9, position switch 9 is used for monitoring whether carton board 10 is the material loading, position switch 9 is fixed on bottom sprag mechanism 35, position switch 9 is photoelectric sensor, the utility model discloses cooperate the material loading with chain formula carton board material loading machine 11, carry carton board 10 between bottom sprag mechanism 35 and the forming die through chain formula carton board material loading machine 11, after position switch 9 detected the flitch, the corresponding action of other mechanisms of PLC control system control, improved its degree of automation.

The utility model discloses a theory of operation: through the programming control of a touch screen PLC (programmable logic controller) integrated machine, a feeding end adopts a chain type carton board feeding machine 11 to match feeding, the carton board 10 is pushed to a position between a bottom supporting mechanism 35 and a forming die through the feeding machine, a position switch 9 receives a signal and feeds the signal back to a PLC control system, the PLC control system controls the action of square folding rod driving mechanisms 34 on the left side and the right side, a left square folding rod 31 and a right square folding rod 32 swing to fold the left side and the right side of the carton board 10 to be attached to two sides of the forming die, the PLC control system controls the action of a right-angle positioning plate driving mechanism 23 to drive a right-angle positioning plate 22 to a preset position, meanwhile, the right-angle pressing mechanism 39 presses the right side surface of the carton board 10, the PLC control system controls the action of a pressing driving mechanism 40, the pressing driving mechanism 40 drives the left-side pressing mechanism 39 and a fifth servo motor 344 to the preset position, and, meanwhile, the fifth servo motor 344 drives the upper side square folding rod 33 to swing, the upper surface of the carton board 10 is pressed on a forming die, the carton board 10 is folded into a rectangle at the moment, the PLC control system controls the carton pushing mechanism to synchronously act with the nail box machine head 5, the continuous nailing of the nail box machine head 5 is completed while the pushing plate 41 pushes the carton board 10 to move towards the discharge port side, and after the actions are completed, all mechanisms correspondingly return.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a novel automatic case equipment of nailing of rectangle carton which characterized in that: comprises a bearing rack (1), a forming die, a carton square folding mechanism, a carton pushing mechanism and a carton nailing machine head (5);

forming a mold: the paper box is a forming die of a paper box, and the paper box plates form a rectangular paper box after being wound for one circle along the outline of the forming die;

carton side folding mechanism: the paper box forming machine comprises a left side folding square rod (31), a right side folding square rod (32), an upper side folding square rod (33), a bottom supporting mechanism (35) and a folding square rod driving mechanism (34) for driving the folding square rods to swing respectively, wherein the left side folding square rod (31) and the right side folding square rod (32) are respectively arranged on the left side and the right side of a forming die, the upper side folding square rod (33) is positioned above the forming die, the bottom supporting mechanism (35) is positioned below the forming die and used for supporting a paper box plate and forming a gap with the bottom of the forming die, and the gap is used for the paper box plate to pass through;

a box pushing mechanism: the continuous nailing machine comprises a push plate (41) and a push plate driving mechanism (42) for driving the push plate (41) to reciprocate, wherein the push plate driving mechanism (42) can push a carton to move to a discharging side and complete continuous nailing through a nailing machine head (5).

2. The novel automatic carton nailing device for rectangular cartons as claimed in claim 1, wherein: the forming die is characterized in that a right-angle positioning plate (22) is arranged on one side of the upper end of the forming die, the opening of the right-angle positioning plate (22) faces one side of the forming die, and the right-angle positioning plate (22) drives the forming die to reciprocate through a right-angle positioning plate driving mechanism (23).

3. The novel automatic carton nailing device for rectangular cartons as claimed in claim 1, wherein: the forming die comprises four positioning plates (21), and the four positioning plates (21) are divided into four corners to form a rectangular positioning frame.

4. The novel automatic carton nailing device for rectangular cartons as claimed in claim 2, wherein: it still includes left side hold-down mechanism (38) and right side hold-down mechanism (39), left side hold-down mechanism (38) and right side hold-down mechanism (39) live in the left side and the upper right side of forming die, and its reciprocating motion is driven through right angle locating plate actuating mechanism (23) in right side hold-down mechanism (39), its reciprocating motion is realized through pressing tightly actuating mechanism (40) in left side hold-down mechanism (38) to realize respective compressing tightly, left side hold-down mechanism (38) and right side hold-down mechanism (39) and bottom sprag mechanism (35) are respectively including backup pad (37) and set up a plurality of elasticity of backup pad (37) and compress tightly guide pulley (36).

5. The novel automatic carton nailing device for rectangular cartons as claimed in claim 4, wherein: elasticity compresses tightly guide pulley (36) and includes dwang (361), guide pulley (362) and extension spring (363), dwang (361) slope sets up, and its incline direction is carton ejection of compact direction, and its one end rotates to be connected on backup pad (37), and the other end is equipped with guide pulley (362), extension spring (363) one end is connected at the backup pad other end and is connected in dwang (361).

6. The novel automatic carton nailing device for rectangular cartons as claimed in claim 4, wherein: the square folding rod driving mechanism (34) comprises a servo motor, the driving mechanism for driving the left square folding rod (31) and the right square folding rod (32) further comprises a first synchronous belt (342), the first synchronous belt (342) is driven to rotate through a first servo motor (341), a driven wheel of the first synchronous belt (342) is connected with the left square folding rod (31)/the right square folding rod (32), the first synchronous belt (342) and the first servo motor (341) for driving the first synchronous belt (342) are respectively installed on a left fixing plate (343) and a right fixing plate (343), bottom supporting mechanisms (35) are respectively and fixedly arranged above the left fixing plate (343) and the right fixing plate (343), a fifth servo motor (344) is used for driving the upper square folding rod (33), and the output end of the fifth servo motor is connected with the upper square folding rod (33);

the push plate driving mechanism (42) comprises a second servo motor (421) and a second synchronous belt (422), and the push plate (41) is fixed on a belt of the second synchronous belt (422);

the right-angle positioning plate driving mechanism (23) comprises a third servo motor (231) and a first rack sliding rail (232), and the right-angle positioning plate (22) and the right-side pressing mechanism (39) are fixed on a sliding seat of the first rack sliding rail (232);

the pressing driving mechanism (40) comprises a fourth servo motor (401) and a second rack sliding rail (402), and the fifth servo motor (344) and the left pressing mechanism (38) are fixed on a sliding seat of the second rack sliding rail (402).

7. The novel automatic carton nailing device for rectangular cartons as claimed in claim 6, wherein: the left fixing plate (343) is driven to reciprocate by a fixing plate driving mechanism (71) so as to change the distance between the left fixing plate and the right fixing plate (343), and the right fixing plate (343) is fixed on the bearing frame (1);

the positioning plate (21) comprises a first positioning plate (211) and a second positioning plate (212) on the left side and a third positioning plate (213) and a fourth positioning plate (214) on the right side, the first positioning plate (211) is driven to reciprocate by a first positioning plate driving mechanism (61) to change the distance between the first positioning plate and the third positioning plate (213) on the opposite side, and the second positioning plate (212) is driven to reciprocate by a second positioning plate driving mechanism (62) to change the distance between the second positioning plate and the fourth positioning plate (214) on the opposite side;

the pressing driving mechanism (40) is driven to reciprocate by the first driving mechanism (63) so as to realize the position matching of the pressing driving mechanism (40) with the first positioning plate (211) and the second positioning plate (212);

first actuating mechanism (63), first locating plate actuating mechanism (61) nail case aircraft nose (5) right angle locating plate actuating mechanism (23) push pedal actuating mechanism (42) and third locating plate (213) are all fixed in crane (2), crane (2) are realized going up and down through crane actuating mechanism (81).

8. The novel automatic carton nailing device for rectangular cartons as claimed in claim 7, wherein: fixed plate actuating mechanism (71), first locating plate actuating mechanism (61), second locating plate actuating mechanism (62) and first actuating mechanism (63) all include servo motor and electronic slip table, crane actuating mechanism (81) are electronic lead screw lift, and it drives through sixth servo motor (82).

9. The novel automatic rectangular carton nailing device according to any one of claims 1-8, characterized in that: the automatic feeding device is characterized by further comprising a position switch (9), wherein the position switch (9) is used for monitoring whether the carton board is fed or not, the position switch (9) is fixed on the bottom supporting mechanism (35), and the position switch (9) is a photoelectric sensor.

10. The novel automatic rectangular carton nailing device according to any one of claims 1-8, characterized in that: the push plate (41) comprises a U-shaped plate (411) and a transverse plate (412) which is fixed on one side of the U-shaped plate (411) and used for expanding the contact area.

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