CN219056738U - Automatic packaging assembly line for pencils - Google Patents

Abstract

The utility model discloses a pencil automatic packaging assembly line which comprises a rotary workbench, a paper sheet conveying device, a pencil conveying device, a paper sheet limiting device, a lug folding device, a glue brushing device for brushing glue on a paper box, a folding device for folding the paper box to complete packaging, and a carrying device for carrying the packaged pencil out of the rotary workbench; the leatheroid limiting device comprises Zhang Getai arranged on the rotary workbench, a translation plate symmetrically arranged at the lower side and in sliding connection with Zhang Getai, a clamping plate fixed on the translation plate and used for clamping leatheroids, and a clamping motor used for driving the opening and closing table to complete clamping actions; a translation driving gear for driving the translation plate to act is fixed on the clamping motor; a rack meshed with the translation driving gear is fixed on one side of the translation plate, which is close to the translation driving gear; the translation plate is provided with a strip hole for a screw to pass through.

Description

Automatic packaging assembly line for pencils

Technical Field

The utility model relates to the technical field of pencil packaging, in particular to an automatic pencil packaging assembly line.

Background

The pencil is a pen commonly used in daily study life of people, provides a lot of convenience for the life of people, and the existing pencil production mode is often to box the pencil by manpower after the pencil is produced, so that a large amount of manpower is required in the process of box packing, the production efficiency is low, meanwhile, different production lines are required for the pencils of different models in the process of production line, or a plurality of sets of dies are required to realize the pencil production cost is high.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides an automatic pencil packaging assembly line for solving the problems.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a pencil automatic packaging assembly line which comprises a rotary workbench, a paper sheet conveying device, a pencil conveying device, a plurality of paper sheet limiting devices, a paper sheet lug folding device, a glue brushing device, a folding device and a carrying device, wherein the paper sheet conveying device is arranged on the rotary workbench and used for conveying paper sheets to the rotary workbench; the leatheroid limiting device comprises Zhang Getai arranged on the rotary workbench, a translation plate symmetrically arranged at the lower side and in sliding connection with Zhang Getai, a clamping plate fixed on the translation plate and used for clamping leatheroids, and a clamping motor used for driving the opening and closing table to complete clamping actions; a translation driving gear for driving the translation plate to act is fixed on the clamping motor; a rack meshed with the translation driving gear is fixed on one side of the translation plate, which is close to the translation driving gear; the translation plate is provided with a strip hole for a screw to pass through.

Further, the rotary workbench comprises a rotary support frame, a rotary ring, a rotary driven gear, a stepping motor and a rotary driving gear, wherein the rotary ring is arranged on the rotary support frame and is rotationally connected with the rotary support frame; the leatheroid stop device is fixed on the upper side of the rotating ring.

Further, the leatheroid conveying device comprises a paper conveying support frame fixed on the rotary support frame, a paper conveying mechanism arranged on the paper conveying support frame and used for conveying leatheroids, and a paper pressing mechanism used for enabling leatheroids to be convenient to fold by the aid of the leatheroids marks; the paper feeding mechanism comprises a plurality of rubber-coated driving shafts which are arranged on the paper feeding support frame and are rotationally connected with the paper feeding support frame, a pair of paper feeding limiting plates which are arranged on the paper feeding support frame and are in sliding connection with the paper feeding support frame, a paper feeding driving motor which is fixed on the paper feeding support frame and is used for driving the rubber-coated driving shafts to rotate, and a paper rubbing device which is arranged on the paper feeding support frame of the support frame and is used for rubbing paper; the encapsulated driving shaft penetrates through the paper conveying limiting plate and is in sliding connection with the paper conveying limiting plate; the rubber-coated driving shafts are mutually driven through gears.

Further, the pencil conveying device comprises a pencil conveying support frame, a placing plate fixed on the pencil conveying support frame and used for placing the pencils in an array manner, a pencil placing bin arranged on the pencil conveying support frame and used for placing the pencils, a pencil pushing device arranged on the pencil conveying support frame and used for pushing the pencils to horizontally displace on the placing plate, a middle rotary table fixed at the tail end of the placing plate and used for transferring the pencils, and a four-bar pushing plate mechanism arranged at one end, close to the rotary workbench, of the pencil conveying support frame and used for pushing the pencils into the paper box; and a pencil driving motor for driving the pencil pushing device and the four-bar pushing mechanism to work is arranged on the pencil conveying support frame.

Further, the lug folding device comprises poking protrusions fixed on two sides of the clamping plate, side lug poking assemblies which are arranged on two sides of the rotating ring and are fixed on the rotating support frame and matched with the poking protrusions, and end lug folding plates which are arranged on two sides of the rotating ring and are fixed on the rotating support frame and are used for folding two end lugs; the side position lug shifting assembly comprises a fixed seat, a spring fixing plate is fixedly connected to the rear side of the fixed seat, a lug folding driving gear, a reversing gear and a half tooth surface gear are connected to the top of the fixed seat from left to right in a transmission meshing mode respectively, lug shifting protrusions capable of being shifted by shifting protrusions are fixedly connected to the rotating shaft of the lug folding driving gear, right-angle push rods are fixedly connected to the rotating shaft of the half tooth surface gear, and springs are installed between the spring fixing plate and the lug shifting protrusions.

Further, the glue brushing device comprises a vertical frame, a gluing pneumatic push rod is arranged on the vertical frame, and a gluing head is fixedly connected to the telescopic end of the gluing pneumatic push rod.

Further, the folding device comprises two groups of fixing frames which are symmetrically arranged on the inner side and the outer side of the rotating ring, the two groups of upper end pneumatic pushing rods which are oppositely arranged are respectively arranged at the top of the fixing frames, the two groups of upper end pneumatic pushing rods are fixedly connected with first folding plates, the inner side of the fixing frames is transversely provided with transverse pneumatic pushing rods, the telescopic ends of the transverse pneumatic pushing rods are fixedly connected with vertical pneumatic pushing rods which are vertically arranged, the top telescopic ends of the vertical pneumatic pushing rods are fixedly connected with second folding plates, right-angle frames are arranged on the right sides of the fixing frames, foot rest pneumatic pushing rods which are transversely arranged are arranged at the tops of the right-angle frames, and the telescopic ends of the foot rest pneumatic pushing rods are fixedly connected with third folding plates.

Further, the paper pressing mechanism comprises a paper sheet supporting seat, a paper pressing device arranged above the paper sheet supporting seat and a limiting piece arranged on the paper sheet supporting seat and used for limiting paper sheets; a plurality of paper conveying wheels for conveying paper sheets are arranged between the paper conveying mechanism and the paper pressing mechanism; the paper conveying wheel is sleeved with a conveying leather strip for connecting the paper conveying wheels; the paper conveying wheel is driven by a paper conveying driving motor.

Further, a top end limiting rod for limiting the folded paper box top plate is arranged between the folding device and the glue brushing device; and a top pressing component for pressing the paper box is fixed on one side of the glue brushing device away from the folding device.

The beneficial effects of the utility model are as follows:

an automatic pencil packaging assembly line is characterized in that paper sheets are placed on a paper sheet conveying device in the working process of the assembly line, the paper sheets are conveyed to a paper sheet limiting device through the paper sheet conveying device, a paper box is clamped by the paper sheet limiting device, the paper sheet limiting device is folded into a box through a lug folding device, a pencil is put into the paper box by the pencil conveying device, the paper box is folded into a semi-closed box shape through a folding device again, then a glue brushing device is used for brushing glue on the paper box, and the paper box is laminated into the box through a pressing component after the glue brushing is finished, so that the pencil is packaged in the box; the translation driving gear drives the rack to control the translation plate to move so that the paper sheet is clamped by the clamping plate; the translation driving gear drives the rack to control the translation plate to move, so that the clamping plate clamps the leathers, and the leatheroid limiting device can clamp the cartons with different sizes, so that the cartons with different sizes are folded, and the cartons with different sizes are folded and packed through one set of equipment.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic pencil packaging line according to the present utility model;

FIG. 2 is a schematic view of a rotary table of the automatic pencil packaging line of the present utility model;

FIG. 3 is a schematic diagram of a sheet conveying device for a mechanical pencil packaging line;

FIG. 4 is a schematic view of a pencil conveying device of a mechanical pencil packaging line;

FIG. 5 is a schematic diagram of a paper sheet limiting device of a mechanical pencil packaging line;

FIG. 6 is a schematic diagram of a paper sheet limiting device of a mechanical pencil packaging line;

FIG. 7 is a schematic view of a folding device for a mechanical pencil packaging line;

FIG. 8 is a schematic diagram of a pencil automatic packaging line glue brushing device;

fig. 9 is a schematic structural view of a folding device of an automatic pencil packaging line.

Reference numerals in the drawings:

1. a rotary table; 11. rotating the support frame; 12. a rotating ring; 13. rotating the driven gear; 14. a stepping motor; 15. rotating the drive gear; 2. a paper sheet conveying device; 21. a paper feeding support frame; 22. a paper feeding mechanism; 23. a paper pressing mechanism; 231. a paper sheet supporting seat; 232. a paper pressing device; 233. a limiting piece; 24. encapsulating the driving shaft; 25. a paper feeding limit plate; 26. a paper feed driving motor; 27. a paper feeding wheel; 28. conveying leather strips; 29. a paper rubbing device; 3. a pencil conveying device; 31. a pencil conveying support frame; 32. placing plates; 33. a pencil feeding bin; 34. a pencil pushing device; 35. a transfer table; 36. a four-bar push plate mechanism; 37. a pencil driving motor; 4. a paper sheet limiting device; 41. zhang Getai; 42. a translation plate; 43. a clamping plate; 44. clamping a motor; 45. a translation drive gear; 46. a rack; 47. a slit hole; 5. an ear folding device; 51. the protrusion is stirred; 52. a side ear pulling component; 53. an end ear flip plate; 54. a fixing seat; 55. a spring fixing plate; 56. a folding ear driving gear; 57. a reversing gear; 58. a half-tooth face gear; 59. ear poking protrusions; 510. a right angle push rod; 6. a glue brushing device; 61. a vertical frame; 62. gluing a pneumatic push rod; 63. a glue spreading head; 7. a crimping device; 71. a fixing frame; 72. an upper pneumatic push rod; 73. a first folded plate; 74. a transverse pneumatic push rod; 75. a vertical pneumatic push rod; 76. a second folded plate; 77. a right angle frame; 78. pneumatic pushing rod of foot rest; 79. a third folded plate; 8. a carrying device; 9. a top end shape limiting rod; 10. the top portion depresses the assembly.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 9, an automatic packaging line for pencils provided in the present embodiment includes a rotary table 1, a sheet conveying device 2 mounted on the rotary table 1 for conveying sheets onto the rotary table 1, a pencil conveying device 3 mounted on one side of the rotary table 1 for conveying pencils onto the rotary table 1, a plurality of sheet limiting devices 4 mounted on the rotary table 1 for placing and limiting sheets, a sheet folding device 5 mounted on the rotary table 1 for folding sheets into boxes, a glue brushing device 6 for brushing a glue on a paper box, a folding device 7 for folding the paper box into packages, and a carrying device 8 for carrying the packaged pencils out of the rotary table 1; the leatheroid limiting device 4 comprises a Zhang Getai 41 arranged on the rotary workbench 1, a translation plate 42 symmetrically arranged at the lower side and in sliding connection with the Zhang Getai 41, a clamping plate 43 fixed on the translation plate 42 and used for clamping leatheroid, and a clamping motor 44 used for driving the opening and closing table 41 to complete clamping action; a translation drive gear 45 for driving the translation plate 42 to move is fixed to the clamp motor 44; a rack 46 meshed with the translation driving gear 45 is fixed on one side of the translation plate 42 close to the translation driving gear 45; the translation plate 42 is provided with a long strip hole 47 for a screw to pass through on the translation plate 42.

Further, the rotary table 1 includes a rotary support frame 11, a rotary ring 12 mounted on the rotary support frame 11 and rotatably connected to the rotary support frame 11, a rotary driven gear 13 fixed to a lower side of the rotary ring 12, a stepping motor 14 fixed to the rotary support frame 11 for driving the rotary ring 12 to rotate, and a rotary driving gear 15 fixed to the stepping motor 14 and engaged with the rotary driven gear 13; the leatheroid limiting device 4 is fixed on the upper side of the rotary ring 12; the rotating ring 12 rotates to enable the leatheroid limiting device 4 to move to the position right below the leatheroid conveying device 2, and enable the leatheroid conveying device 4 to put leatheroid on the leatheroid limiting device 4.

Further, the sheet conveying device 2 comprises a sheet conveying support frame 21 fixed on the rotary support frame 11, a sheet conveying mechanism 22 arranged on the sheet conveying support frame 21 and used for conveying sheets, and a sheet pressing mechanism 23 used for enabling the sheets to be folded conveniently by sheet marks; the paper feeding mechanism 22 comprises a plurality of rubber coating driving shafts 24 which are arranged on the paper feeding support frame 21 and are rotationally connected with the paper feeding support frame 21, a pair of paper feeding limiting plates 25 which are arranged on the paper feeding support frame 21 and are in sliding connection with the paper feeding support frame 21, a paper feeding driving motor 26 which is fixed on the paper feeding support frame 21 and is used for driving the rubber coating driving shafts 24 to rotate, and a paper rubbing device 29 which is arranged on the paper feeding support frame 21 of the support frame and is used for rubbing paper; the encapsulated driving shaft 24 passes through the paper conveying limiting plate 25 and is in sliding connection with the paper conveying limiting plate 25; the encapsulated driving shafts 24 are mutually driven through gears; the paper sheets are stacked between the paper conveying limiting plates 25, the paper conveying driving motor 26 drives the cornerite driving shaft 24 to rotate, and the paper sheets are pushed onto the paper pressing mechanism 23 to be pressed under the action of the paper rubbing device 29 so as to be folded into a box shape.

Further, the pencil conveying device 3 comprises a pencil conveying support frame 31, a placing plate 32 fixed on the pencil conveying support frame 31 and used for placing pencils in an array manner, a pencil placing bin 33 installed on the pencil conveying support frame 31 and used for placing pencils, a pencil pushing device 34 installed on the pencil conveying support frame 31 and used for pushing pencils to horizontally displace on the placing plate 32, a transfer table 35 fixed at the tail end of the placing plate 32 and used for transferring pencils, and a four-bar pushing plate mechanism 36 installed at one end, close to the rotary workbench 1, of the pencil conveying support frame 31 and used for pushing pencils into a paper box; a pencil driving motor 37 which drives the pencil pushing device 34 and the four-bar pushing mechanism 36 to work is arranged on the pencil conveying support frame 31; the pencil is put in a pencil putting bin 33, the pencil in the pencil putting bin 33 is put on a putting plate 32, the pencil is pushed onto a transfer table 35 through a pencil pushing device 34, and the pencil is pushed into a paper box of a paper limiting device 4 through a four-bar pushing plate mechanism 36.

Further, the ear folding device 5 includes a toggle protrusion 51 fixed on two sides of the clamping plate 43, a side ear pulling assembly 52 mounted on two sides of the rotating ring 12 and fixed on the rotating support frame 11 and matched with the toggle protrusion 51 for folding two ears of the paper box, and an end ear folding plate 53 mounted on two sides of the rotating ring 12 and fixed on the rotating support frame 11 for folding two end ears; the side lug shifting assembly 52 comprises a fixed seat 54, a spring fixing plate 55 is fixedly connected to the rear side of the fixed seat 54, a lug folding driving gear 56, a reversing gear 57 and a half tooth surface gear 58 are installed at the top of the fixed seat 54 in a transmission meshing manner, a lug shifting protrusion 59 which can be shifted by the shifting protrusion 51 is fixedly connected to the rotating shaft of the lug folding driving gear 56, a right-angle push rod 510 is fixedly connected to the rotating shaft of the half tooth surface gear 58, and a spring is installed between the spring fixing plate 55 and the lug shifting protrusion 59; the rotating ring 12 rotates to drive the leatheroid limiting device 4 to rotate, the poking protrusion 51 fixed on the opening and closing table 41 rotates, the poking protrusion 51 pokes the lug protrusion 59, the lug folding driving gear 56 rotates, the half tooth surface gear 58 is driven to rotate under the action of the reversing gear 57, the right-angle push rod 510 acts, and therefore the side lug is poked.

Further, the glue brushing device 6 comprises a vertical frame 61, a glue spreading pneumatic push rod 62 is installed on the vertical frame 61, and a glue spreading head 63 is fixedly connected to the telescopic end of the glue spreading pneumatic push rod 62; the glue pneumatic push rod 62 drives the glue applicator head to brush glue on the surface of the paper box.

Further, turn over the mount 71 that the design mechanism 7 set up including two sets of in the panel 3 inside and outside symmetry, the upper end pneumatic push rod 72 of relative setting is all installed at the top of two sets of mounts 71, the telescopic part of two sets of upper end pneumatic push rods 72 all rigid couplings has first folded plate 73, the left side of inboard mount 71 transversely is provided with horizontal pneumatic push rod 74, the telescopic end rigid coupling of horizontal pneumatic push rod 74 has vertical pneumatic push rod 75 of vertical setting, the top telescopic end rigid coupling of vertical pneumatic push rod 75 has second folded plate 76, right side of outside mount 71 installs right angle frame 77, the foot rest pneumatic push rod 78 of horizontal setting is installed at the top of right angle frame 77, the telescopic end rigid coupling of foot rest pneumatic push rod 78 has third folded plate 79, when the carton seat 5 that has placed the carton is transmitted between second folded plate 76 and the third folded plate 79, control two sets of upper end pneumatic push rod 72 telescopic end extension, can push first folded plate 73 to the downside broadside of carton be buckled 90 degrees, then, the telescopic end extension of vertical pneumatic push rod 75 is controlled again, the telescopic end extension of horizontal pneumatic push rod 74 can drive the second folded plate 76 to carry out the telescopic end extension of the control of foot rest 76, can realize completely folding the top cap 78, thereby realize the realization of folding top cap of the extension of the carton.

Further, the paper pressing mechanism 23 includes a paper sheet supporting seat 231, a paper pressing device 232 installed above the paper sheet supporting seat 231, and a limiting piece 233 installed on the paper sheet supporting seat 231 for limiting the paper sheet; a plurality of paper feeding wheels 27 for conveying paper sheets are arranged between the paper feeding mechanism 22 and the paper pressing mechanism 23; the paper conveying wheel 27 is sleeved with a conveying leather belt 28 which connects the paper conveying wheels 27 with each other; the paper feeding wheel 27 is driven by a paper feeding driving motor 26.

Further, a top end limiting rod 9 for limiting the folded paper box top plate is arranged between the folding device 7 and the glue brushing device 6; a top pressing component 10 for pressing the paper box is fixed on one side of the glue brushing device 6 away from the folding device 7; the top end limiting rod 9 presses down the paper box to enable the paper box to be kept in a semi-closed state, and the pressing assembly 10 presses down the paper box to enable the paper box to be attached to be in a closed state after glue brushing is conducted through the glue brushing device 6.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the utility model as defined by the claims of the present application.

Claims (9)

1. An automatic packaging assembly line of pencil, its characterized in that: the pencil lead frame comprises a rotary workbench (1), a leatheroid conveying device (2) arranged on the rotary workbench (1) and used for conveying leatheroids to the rotary workbench (1), a pencil conveying device (3) arranged on one side of the rotary workbench (1) and used for conveying pencils to the rotary workbench (1), a plurality of leatheroid limiting devices (4) arranged on the rotary workbench (1) and used for placing and limiting leatheroids, a leatheroid lug folding device (5) arranged on the rotary workbench (1) and used for folding leatheroids to enable the leatheroids to form a box shape, a glue brushing device (6) used for brushing paper boxes, a folding device (7) used for folding the paper boxes to complete packaging, and a carrying device (8) used for carrying packaged pencils out of the rotary workbench (1); the leatheroid limiting device (4) comprises a Zhang Getai (41) arranged on the rotary workbench (1), a translation plate (42) symmetrically arranged at the lower side and in sliding connection with the Zhang Getai (41), a clamping plate (43) fixed on the translation plate (42) and used for clamping leatheroid, and a clamping motor (44) used for driving the Zhang Getai (41) to complete clamping action; a translation driving gear (45) for driving the translation plate (42) to act is fixed on the clamping motor (44); a rack (46) meshed with the translation driving gear (45) is fixed on one side of the translation plate (42) close to the translation driving gear (45); the translation plate (42) is provided with a strip hole (47) for a screw to pass through on the translation plate (42).

2. A mechanical packaging line for pencils as defined in claim 1, wherein: the rotary workbench (1) comprises a rotary support frame (11), a rotary ring (12) which is arranged on the rotary support frame (11) and is rotationally connected with the rotary support frame (11), a rotary driven gear (13) which is fixed on the lower side of the rotary ring (12), a stepping motor (14) which is fixed on the rotary support frame (11) and is used for driving the rotary ring (12) to rotate, and a rotary driving gear (15) which is fixed on the stepping motor (14) and is meshed with the rotary driven gear (13); the leatheroid limiting device (4) is fixed on the upper side of the rotary ring (12).

3. A mechanical packaging line for pencils as defined in claim 2, wherein: the paper sheet conveying device (2) comprises a paper conveying support frame (21) fixed on the rotary support frame (11), a paper conveying mechanism (22) arranged on the paper conveying support frame (21) and used for conveying paper sheets, and a paper pressing mechanism (23) used for enabling paper sheets to be marked so as to be folded conveniently; the paper conveying mechanism (22) comprises a plurality of rubber coating driving shafts (24) which are arranged on the paper conveying support frame (21) and are rotationally connected with the paper conveying support frame (21), a pair of paper conveying limiting plates (25) which are arranged on the paper conveying support frame (21) and are in sliding connection with the paper conveying support frame (21), a paper conveying driving motor (26) which is fixed on the paper conveying support frame (21) and is used for driving the rubber coating driving shafts (24) to rotate, and a paper rubbing device (29) which is arranged on the paper conveying support frame (21) of the support frame and is used for rubbing paper; the encapsulated driving shaft (24) passes through the paper conveying limiting plate (25) and is in sliding connection with the paper conveying limiting plate (25); the encapsulated driving shafts (24) are mutually driven through gears.

4. A mechanical packaging line for pencils as defined in claim 1, wherein: the pencil conveying device (3) comprises a pencil conveying support frame (31), a placing plate (32) fixed on the pencil conveying support frame (31) and used for placing the pencils in an array manner, a pencil placing bin (33) arranged on the pencil conveying support frame (31) and used for placing the pencils, a pencil pushing device (34) arranged on the pencil conveying support frame (31) and used for pushing the pencils to horizontally displace on the placing plate (32), a transfer table (35) fixed at the tail end of the placing plate (32) and used for transferring the pencils, and a four-bar pushing mechanism (36) arranged at one end, close to the rotary workbench (1), of the pencil conveying support frame (31) and used for pushing the pencils into the paper box; a pencil driving motor (37) for driving the pencil pushing device (34) and the four-bar pushing mechanism (36) to work is arranged on the pencil conveying support frame (31).

5. A mechanical packaging line for pencils as defined in claim 2, wherein: the lug folding device (5) comprises poking protrusions (51) fixed on two sides of the clamping plate (43), side lug poking assemblies (52) which are arranged on two sides of the rotating ring (12) and are fixed on the rotating support frame (11) to be matched with the poking protrusions (51) and are used for folding lugs on two sides of the paper box, and lug folding plates (53) which are arranged on two sides of the rotating ring (12) and are fixed on the rotating support frame (11) and are used for folding lugs on two ends; the side position lug shifting assembly (52) comprises a fixed seat (54), a spring fixing plate (55) is fixedly connected to the rear side of the fixed seat (54), a lug folding driving gear (56), a reversing gear (57) and a half tooth surface gear (58) are connected to the top of the fixed seat (54) from left to right in a transmission meshing mode, lug shifting protrusions (59) capable of being shifted by shifting protrusions (51) are fixedly connected to the rotating shaft of the lug folding driving gear (56), a right-angle push rod (510) is fixedly connected to the rotating shaft of the half tooth surface gear (58), and a spring is installed between the spring fixing plate (55) and the lug shifting protrusions (59).

6. A mechanical packaging line for pencils as defined in claim 2, wherein: the glue brushing device (6) comprises a vertical frame (61), a glue spreading pneumatic push rod (62) is arranged on the vertical frame (61), and a glue spreading head (63) is fixedly connected to the telescopic end of the glue spreading pneumatic push rod (62).

7. A mechanical packaging line for pencils as defined in claim 1, wherein: the folding device (7) comprises two groups of fixing frames (71) which are symmetrically arranged on the inner side and the outer side of a rotating ring (12), the two groups of fixing frames (71) are respectively provided with an upper pneumatic push rod (72) which is oppositely arranged, the two groups of upper pneumatic push rods (72) are respectively fixedly connected with a first folding plate (73) at the telescopic parts, the left side of the fixing frames (71) is transversely provided with a transverse pneumatic push rod (74), the telescopic ends of the transverse pneumatic push rods (74) are fixedly connected with vertical pneumatic push rods (75) which are vertically arranged, the telescopic ends of the tops of the vertical pneumatic push rods (75) are fixedly connected with second folding plates (76), the right sides of the fixing frames (71) are respectively provided with a right-angle frame (77), and the tops of the right-angle frames (77) are respectively provided with a transverse pneumatic push rod (78), and the telescopic ends of the foot frames (78) are fixedly connected with third folding plates (79).

8. A mechanical packaging line for pencils as claimed in claim 3, wherein: the paper pressing mechanism (23) comprises a paper sheet supporting seat (231), a paper pressing device (232) arranged above the paper sheet supporting seat (231) and a limiting piece (233) arranged on the paper sheet supporting seat (231) and used for limiting paper sheets; a plurality of paper conveying wheels (27) for conveying paper sheets are arranged between the paper conveying mechanism (22) and the paper pressing mechanism (23); a conveying leather strip (28) for connecting the paper conveying wheels (27) with each other is sleeved on the paper conveying wheels (27); the paper feeding wheel (27) is driven by a paper feeding driving motor (26).

9. A mechanical packaging line for pencils as defined in claim 1, wherein: a top end limiting rod (9) for limiting the folded paper box top plate is arranged between the folding device (7) and the glue brushing device (6); a top pressing component (10) for pressing the paper box is fixed on one side of the glue brushing device (6) far away from the folding device (7).

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