CN210234143U

CN210234143U - Improved automatic glue spreader for color printing packaging production line

Info

Publication number: CN210234143U
Application number: CN201921015969.0U
Authority: CN
Inventors: Shihua Yin; 尹诗华
Original assignee: Jiangxi Qingzhiping Industry Co Ltd
Current assignee: Jiangxi Qingzhiping Industry Co Ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-04-03
Anticipated expiration: 2029-06-29

Abstract

The utility model provides a line is produced with automatic spreading machine to modified color printing packing, including first backup pad, bracing piece, rubber pad, slipmat, second backup pad, the seat structure is dismantled in the slip around can, and the stick structure is paintd in the slidable, and the bucket structure is paintd in adjustable depositing, L type dead lever, first inserted link, protection piece rotates the groove, paints the switch, move the switch, and the barrel is glued with filling to the inserted seat. The U-shaped sliding seat of the utility model is connected with the shielding plate, the square head bolt, the first deep groove ball bearing, the moving motor, the first threaded rod and the supporting sliding rod, which is favorable for adjusting the position of the glue smearing barrel in the gluing process and is convenient for gluing; the frame is paintd in the removal, removes the slide opening, and motor, second threaded rod are paintd in the removal to second deep groove ball bearing, remove the setting of pipe and screw hole, are favorable to driving to paint and control about the gluey bucket, conveniently carry out automatic rubber coating work.

Description

Improved automatic glue spreader for color printing packaging production line

Technical Field

The utility model belongs to the technical field of the spreading machine, especially, relate to a modified color printing packing is automatic spreading machine for production line.

Background

At present, in order to improve the aesthetic property of the packing box, the outer side wall of the paperboard is usually subjected to color printing, and the paperboard is folded in a gluing mode to be assembled into the packing box.

But the existing glue spreader also has the problems of inconvenient front and back adjustment of the spreading position, inconvenient left and right adjustment of the position of the glue pot and inconvenient adjustment of the glue spreading amount.

Therefore, the invention discloses an improved automatic glue spreader for a color printing packaging production line.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a line is produced with automatic spreading machine to modified color printing packing to there is inconvenient fore-and-aft regulation to solve current spreading machine and paint the position, the inconvenient problem of controlling the regulation and gluing jar position and inconvenient regulation rubber coating volume. An improved automatic glue spreader for a color printing packaging production line comprises a first supporting plate, a supporting rod, a rubber pad, an anti-slip pad and a second supporting plate, wherein a seat structure can be disassembled in a front-back sliding mode, a smearing rod structure can be disassembled in a sliding mode, a smearing barrel structure can be stored in an adjustable mode, an L-shaped fixing rod, a first inserting rod, a protective block, a rotating groove, a smearing switch, a moving switch, an inserting seat and a glue filling barrel are arranged in an adjustable mode, and the upper end of the supporting rod is welded to the four corners of the lower end of the first supporting plate; the rubber pad is glued at the middle position of the upper end of the first supporting plate; the anti-skid pads are respectively glued to the lower ends of the supporting rods; the second supporting plates are respectively welded at the left side and the right side of the upper end of the first supporting plate; the detachable seat structures capable of sliding back and forth are respectively arranged at the upper ends of the second supporting plates; the slidable smearing rod structure is arranged at the upper end of the detachable seat structure which can slide back and forth; the adjustable storage smearing barrel structure is arranged at the lower end of the slidable smearing rod structure; the rotating grooves are respectively formed in the lower parts of the inner walls of the left side and the right side of the second supporting plate; the first inserting rods are respectively inserted in the middle of the lower part of the inner wall of the rotating groove; the L-shaped fixed rods are respectively welded in the middle positions of the inner walls of the left side and the right side of the first inserting rod; the protective blocks are respectively glued at the lower ends of the L-shaped fixed rods; the smearing switch and the movable switch are respectively arranged at the upper left corner of the first supporting plate; the smearing switch and the moving switch are respectively connected to the upper part of the left side of the second supporting plate through screws; the plug seat is arranged at the lower left corner of the first supporting plate; the plug socket is welded in the middle of the left side of the supporting rod; the glue filling barrel is inserted in the middle of the upper inner part of the inserting seat; the detachable seat structure capable of sliding forwards and backwards comprises a U-shaped sliding seat, a connecting shielding plate, a square head bolt, a first deep groove ball bearing, a moving motor and a first threaded rod, wherein the square head bolt is respectively connected with the left side and the right side of the front surface of the shielding plate in a penetrating manner; the square-head bolts are respectively in threaded connection with the left side and the right side of the front surface of the U-shaped sliding seat; the first deep groove ball bearing is embedded in the middle of the front surface of the connecting shielding plate; the movable motor is connected to the front surface of the connecting shielding plate through bolts; the first threaded rod penetrates through the inner ring of the first deep groove ball bearing; and the first threaded rod coupling is connected to an output shaft of the mobile motor.

Preferably, the slidable smearing rod structure comprises a supporting sliding rod, a movable smearing frame, a movable sliding hole, a second deep groove ball bearing, a movable smearing motor, a second threaded rod, a movable pipe and a threaded hole, wherein the upper end of the supporting sliding rod is welded on the left side and the right side of the lower end of the movable smearing frame respectively; the movable sliding hole is formed in the middle of the inner part of the movable coating frame; the second deep groove ball bearings are respectively welded on the left side and the right side of the upper end of the movable smearing frame; the movable smearing motor is connected to the right side of the upper end of the movable smearing frame through a bolt; the second threaded rods respectively penetrate through the inner rings of the second deep groove ball bearings; the threaded holes are respectively formed in the middle of the inner part of the upper side of the movable pipe; the second threaded rod chalk penetrates through the threaded hole.

Preferably, the adjustable storage smearing barrel structure comprises a smearing rubber barrel, a second inserting rod, a sliding adjusting rod, a smearing pipe, a manual valve, a smearing block and a sponge sleeve, wherein the lower end of the second inserting rod is welded on the left side and the right side of the upper end of the smearing rubber barrel respectively; the upper ends of the second plug-in rods are respectively welded in the middle of the lower ends of the sliding adjusting rods; the upper end of the smearing pipe is welded in the middle of the lower sheet of the smearing glue barrel; the manual valve is inserted in the middle of the right side of the smearing pipe in a threaded manner; the smearing block is in threaded insertion connection with the inner wall of the lower side of the smearing pipe; the sponge sleeve is sleeved on the outer wall of the lower end of the smearing block.

Preferably, the connecting shielding plates are respectively arranged on the front surface and the rear surface of the U-shaped sliding seat; the connecting shielding plate is a stainless steel plate; the outer wall of the first threaded rod is in interference fit with the inner ring of the first deep groove ball bearing.

Preferably, the protective block is a silica gel block with a rectangular cross section; the first supporting plate is a stainless steel seat with a groove formed in the upper end.

Preferably, the U-shaped sliding seats are respectively bolted to the upper end of the second supporting plate.

Preferably, the second threaded rod is in threaded connection with the movable pipe through a threaded hole; the outer wall of the second threaded rod is in interference fit with the inner ring of the second deep groove ball bearing; the supporting sliding rod is a stainless steel rod with a threaded hole formed in the middle of the lower side.

Preferably, the supporting sliding rods are respectively inserted into the upper inner part of the U-shaped sliding seat; the supporting sliding rods are respectively sleeved on the outer wall of the second threaded rod; the supporting sliding rod is in threaded connection with the second threaded rod.

Preferably, the smearing block is a stainless steel threaded block with a through hole formed in the smearing block; the lower end of the daub glue barrel is set to be a conical stainless steel barrel.

Preferably, the sliding adjusting rod penetrates through a sliding hole formed in the moving pipe in a sliding manner; the upper end of the second inserting rod is inserted in the middle of the lower side of the moving pipe.

Preferably, the moving motor is a forward and reverse rotating motor with the model number of 57BZF 116-340; the movable smearing motor is a forward and reverse rotating motor with the model number of D110BLD 500-24A-30S; the smearing switch and the movable switch are respectively a button switch with the model number of MTS 102.

Preferably, the movable smearing motor is electrically connected with the smearing switch.

Preferably, the mobile motor is electrically connected with the mobile switch.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, U type sliding seat, connect the shielding plate, square head bolt, first deep groove ball bearing, the mobile motor, first threaded rod and the setting that supports the slide bar are favorable to adjusting the position of paining the bucket at the rubber coated in-process, conveniently carry out the rubber coating work.

2. The utility model discloses in, removal daub the frame, remove the slide opening, second deep groove ball bearing removes and paints the motor, the second threaded rod removes the setting of pipe and screw hole, is favorable to the drive to paint and controls about the gluey bucket, conveniently carries out automatic rubber coating work.

3. The utility model discloses in, paint the pipe, manual valve scribbles the setting of piece and sponge cover, is favorable to adjusting gummed quantity, the convenience is according to carrying out the rubber coating work of material.

4. The utility model discloses in, paint gluey bucket, the setting of second peg graft pole, slide adjusting rod and removal pipe, the highly convenient material fixing work that carries on that is favorable to adjusting to paint piece and sponge cover.

5. The utility model discloses in, connection shielding plate, square head bolt, first deep groove ball bearing, the setting of mobile motor and first threaded rod is favorable to dismantling the mobile motor, conveniently maintains and overhauls work.

6. The utility model discloses in, the second backup pad, L type dead lever, first peg graft pole, the setting in protection piece and rotation groove is favorable to the fixed gummed material that needs to carry out, conveniently carries out the rubber coating work.

7. The utility model discloses in, first backup pad, bracing piece, the setting of grafting seat and packing gluey bucket is favorable to adding glue, conveniently carries out the rubber coating work to the material.

8. The utility model discloses in, first backup pad, the rubber pad, the setting of scribbling piece and sponge cover is favorable to the protective material, prevents to receive the damage at rubber coated process material.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the detachable seat structure capable of sliding back and forth according to the present invention.

Fig. 3 is a schematic structural view of the slidable applicator structure of the present invention.

Fig. 4 is a schematic structural view of the structure of the adjustable storage smearing barrel of the present invention.

In the figure:

1. a first support plate; 2. a support bar; 3. a rubber pad; 4. a non-slip mat; 5. a second support plate; 6. the seat structure can be disassembled by sliding back and forth; 61. a U-shaped sliding seat; 62. connecting a shielding plate; 63. a square head bolt; 64. a first deep groove ball bearing; 65. a moving motor; 66. a first threaded rod; 7. a slidable applicator bar structure; 71. supporting the sliding rod; 72. moving the coating frame; 73. moving the slide hole; 74. a second deep groove ball bearing; 75. moving the smearing motor; 76. a second threaded rod; 77. moving the tube; 78. a threaded hole; 8. the structure of the storage smearing barrel can be adjusted; 81. smearing a glue barrel; 82. a second plug-in rod; 83. a sliding adjusting rod; 84. coating a pipe; 85. a manual valve; 86. coating blocks; 87. a sponge sleeve; 9. an L-shaped fixing rod; 10. a first plug-in rod; 11. a protection block; 12. a rotating groove; 13. a daubing switch; 14. a moving switch; 15. a socket; 16. and (5) filling a glue barrel.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an improved automatic glue spreader for a color printing packaging production line comprises a first supporting plate 1, a supporting rod 2, a rubber pad 3, an anti-skid pad 4, a second supporting plate 5, a detachable seat structure 6 capable of sliding back and forth, a slidable daubing rod structure 7, an adjustable storage daubing barrel structure 8, an L-shaped fixed rod 9, a first inserting rod 10, a protective block 11, a rotating groove 12, a daubing switch 13, a movable switch 14, an inserting seat 15 and a glue filling barrel 16, wherein the upper end of the supporting rod 2 is respectively welded at the four corners of the lower end of the first supporting plate 1; the rubber pad 3 is glued at the middle position of the upper end of the first supporting plate 1; the anti-skid pads 4 are respectively glued to the lower ends of the support rods 2; the second supporting plates 5 are respectively welded at the left side and the right side of the upper end of the first supporting plate 1; the detachable seat structures 6 capable of sliding back and forth are respectively arranged at the upper ends of the second supporting plates 5; the slidable smearing rod structure 7 is arranged at the upper end of the detachable seat structure 6 which can slide back and forth; the adjustable storage smearing barrel structure 8 is arranged at the lower end of the slidable smearing rod structure 7; the rotating grooves 12 are respectively arranged at the lower parts of the inner walls at the left side and the right side of the second supporting plate 5; the first inserting rods 10 are respectively inserted in the middle positions of the lower parts of the inner walls of the rotating grooves 12; the L-shaped fixed rods 9 are respectively welded in the middle positions of the inner walls of the left side and the right side of the first inserting rod 10; the protection blocks 11 are respectively glued at the lower ends of the L-shaped fixing rods 9; the smearing switch 13 and the moving switch 14 are respectively arranged at the upper left corner of the first supporting plate 1; the smearing switch 13 and the moving switch 14 are respectively connected to the upper part of the left side of the second supporting plate 5 through screws; the plug socket 15 is arranged at the lower left corner of the first supporting plate 1; the plug socket 15 is welded at the middle position of the left side of the support rod 2; the glue filling barrel 16 is inserted in the middle of the upper inner part of the inserting seat 15; the detachable seat structure 6 capable of sliding back and forth comprises a U-shaped sliding seat 61, a connecting shielding plate 62, square-head bolts 63, a first deep groove ball bearing 64, a moving motor 65 and a first threaded rod 66, wherein the square-head bolts 63 respectively penetrate through the left side and the right side of the front surface of the connecting shielding plate 62; the square-head bolts 63 are respectively in threaded connection with the left side and the right side of the front surface of the U-shaped sliding seat 61; the first deep groove ball bearing 64 is embedded in the middle of the front surface of the connecting shielding plate 62; the moving motor 65 is connected with the front surface of the connecting shielding plate 62 through bolts; the first threaded rod 66 penetrates through the inner ring of the first deep groove ball bearing 64; the first threaded rod 66 is connected to the output shaft of the moving motor 65 through a coupling; then, the moving switch 14 is turned on, the moving motor 65 starts to rotate, the first threaded rod 66 is driven to rotate, the gluing position is adjusted, the equipment is moved to the gluing position of the material, and after the equipment is moved to a proper position, the moving switch 14 is turned off, the moving motor 65 stops working, and adjustment work is conveniently carried out according to the gluing position.

In this embodiment, referring to fig. 3, the slidable smearing rod structure 7 includes a supporting sliding rod 71, a movable smearing frame 72, a movable sliding hole 73, a second deep groove ball bearing 74, a movable smearing motor 75, a second threaded rod 76, a movable pipe 77 and a threaded hole 78, wherein the upper end of the supporting sliding rod 71 is welded to the left and right sides of the lower end of the movable smearing frame 72; the movable sliding hole 73 is formed in the middle position inside the movable coating frame 72; the second deep groove ball bearings 74 are respectively welded at the left side and the right side of the upper end of the movable smearing frame 72; the movable smearing motor 75 is connected to the right side of the upper end of the movable smearing frame 72 through a bolt; the second threaded rods 76 respectively penetrate through the inner rings of the second deep groove ball bearings 74; the screw holes 78 are respectively arranged at the middle position of the upper inner part of the moving pipe 77; the second threaded rod 76 penetrates through the chalk threaded hole 78; the equipment is moved to the gluing position of the material, the smearing switch 13 is turned on, the movable smearing motor 75 starts to rotate, meanwhile, the second threaded rod 76 is driven to rotate, the movable pipe 77 drives the gluing equipment to move left and right, and automatic gluing work is facilitated.

In this embodiment, referring to fig. 4, the adjustable storage smearing barrel structure 8 includes a smearing rubber barrel 81, a second inserting rod 82, a sliding adjusting rod 83, a smearing pipe 84, a manual valve 85, a smearing block 86 and a sponge sleeve 87, wherein the lower ends of the second inserting rod 82 are respectively welded to the left and right sides of the upper end of the smearing rubber barrel 81; the upper ends of the second plug-in rods 82 are respectively welded at the middle position of the lower end of the sliding adjusting rod 83; the upper end of the smearing pipe 84 is welded at the middle position of the lower sheet of the smearing glue barrel 81; the manual valve 85 is inserted in the middle position of the right side of the smearing pipe 84 in a threaded manner; the smearing block 86 is in threaded insertion connection with the inner wall of the lower side of the smearing pipe 84; the sponge sleeve 87 is sleeved on the outer wall of the lower end of the smearing block 86; when the glue is applied, the first supporting plate 1 is moved to a proper position and placed, the material to be applied with the glue is flatly paved at the upper end of the rubber pad 3, the L-shaped fixing rod 9 is rotated to enable the protective block 11 to press the material, the glue application work is convenient, the glue filling barrel 16 is used for pouring the glue for adhesion into the glue applying barrel 81, an external power supply is connected through a lead, the manual valve 85 is opened, the glue permeates to the outer wall of the sponge sleeve 87 through the glue applying pipe 84 and the glue applying block 86, then the movable switch 14 is opened to enable the movable motor 65 to start rotating, the first threaded rod 66 is driven to rotate, the glue application position is adjusted, the equipment is moved to the glue application position of the material, after the equipment is moved to the proper position, the movable switch 14 is closed to enable the movable motor 65 to stop working, the adjustment work is convenient according to the glue application position, before the glue applying barrel 81 starts moving, the sponge sleeve 87 is contacted with the surface of the material, and the glue is smeared on the surface of the material through the sponge sleeve 87 in the process that the smearing glue barrel 81 moves left and right to complete the gluing work.

In this embodiment, specifically, the connecting shielding plates 62 are respectively disposed on the front surface and the rear surface of the U-shaped sliding seat 61; the connecting shielding plate 62 is made of a stainless steel plate; the outer wall of the first threaded rod 66 is in interference fit with the inner ring of the first deep groove ball bearing 64.

In this embodiment, specifically, the protective block 11 is a silica gel block with a rectangular cross section; the first supporting plate 1 is a stainless steel seat with a groove at the upper end.

In this embodiment, specifically, the U-shaped sliding seats 61 are respectively bolted to the upper end of the second supporting plate 5.

In this embodiment, specifically, the second threaded rod 76 is disposed in threaded connection with the movable tube 77 through a threaded hole 78; the outer wall of the second threaded rod 76 is in interference fit with the inner ring of the second deep groove ball bearing 74; the support sliding rod 71 is a stainless steel rod with a threaded hole formed in the middle of the lower side.

In this embodiment, specifically, the supporting sliding rods 71 are respectively inserted into the upper inner part of the U-shaped sliding seat 61; the supporting sliding rods 71 are respectively sleeved on the outer walls of the second threaded rods 76; the supporting sliding rod 71 and the second threaded rod 76 are in threaded connection.

In this embodiment, specifically, the smearing block 86 is a stainless steel threaded block with a through hole formed therein; the lower end of the glue smearing barrel 81 is set to be a conical stainless steel barrel.

In this embodiment, specifically, the sliding adjusting rod 83 penetrates through a sliding hole formed in the moving tube 77 in a sliding manner; the upper end of the second insertion rod 82 is inserted into the lower inner middle portion of the moving tube 77.

In this embodiment, the moving motor 65 specifically adopts a forward and reverse rotation motor with a model number of 57BZF 116-340; the movable smearing motor 75 is a forward and reverse rotating motor with the model number of D110BLD 500-24A-30S; the daub switch 13 and the movable switch 14 are respectively a toggle switch with the model number of MTS 102.

In this embodiment, specifically, the moving smearing motor 75 is electrically connected to the smearing switch 13.

In this embodiment, specifically, the moving motor 65 is electrically connected to the moving switch 14.

Principle of operation

The utility model discloses in, when carrying out the rubber coating, remove first backup pad 1 to suitable position, it is good to place, carry out the rubber coated material smooth upper end at rubber pad 3 to needs, rotate L type dead lever 9, make protection piece 11 cover the material, conveniently carry out rubber coating work, use packing gluey bucket 16 to pour into the glue of pasting usefulness into the inside of paining gluey bucket 81, use wire switch-on external power supply, open manual valve 85, make glue permeate to sponge cover 87's outer wall through smearing pipe 84 and smearing piece 86, remove the rubber coating position to the material to the equipment, open and paint switch 13, make the removal paint motor 75 and begin to rotate, it is rotatory to drive second threaded rod 76 simultaneously, make removal pipe 77 drive the rubber coating equipment about remove, conveniently carry out automatic rubber coating work, before paining gluey bucket 81 and begin to move, make sponge cover 87 contact material's surface, in-process of paining about gluey bucket 81 and making glue scribble the completion of scribbling on the surface of material through sponge cover 87 and scribbling And (6) glue working.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The improved automatic glue spreader for the color printing packaging production line is characterized by comprising a first supporting plate (1), a supporting rod (2), a rubber pad (3), an anti-slip pad (4), a second supporting plate (5), a detachable seat structure (6) capable of sliding back and forth, a slidable smearing rod structure (7), an adjustable smearing barrel storage structure (8), an L-shaped fixed rod (9), a first inserting rod (10), a protective block (11), a rotating groove (12), a smearing switch (13), a movable switch (14), an inserting seat (15) and a glue filling barrel (16), wherein the upper end of the supporting rod (2) is welded at four corners of the lower end of the first supporting plate (1) respectively; the rubber pad (3) is glued at the middle position of the upper end of the first supporting plate (1); the anti-skid pads (4) are respectively glued at the lower ends of the support rods (2); the second supporting plates (5) are respectively welded at the left side and the right side of the upper end of the first supporting plate (1); the detachable seat structure (6) capable of sliding back and forth is respectively arranged at the upper end of the second supporting plate (5); the slidable smearing rod structure (7) is arranged at the upper end of the detachable seat structure (6) which can slide back and forth; the adjustable storage smearing barrel structure (8) is arranged at the lower end of the slidable smearing rod structure (7); the rotating grooves (12) are respectively arranged at the lower parts of the inner walls at the left side and the right side of the second supporting plate (5); the first inserting rods (10) are respectively inserted in the middle of the lower part of the inner wall of the rotating groove (12); the L-shaped fixed rods (9) are respectively welded in the middle positions of the inner walls of the left side and the right side of the first inserting rod (10); the protection blocks (11) are respectively glued at the lower ends of the L-shaped fixing rods (9); the smearing switch (13) and the moving switch (14) are respectively arranged at the upper left corner of the first supporting plate (1); the smearing switch (13) and the moving switch (14) are respectively connected to the upper part of the left side of the second supporting plate (5) through screws; the plug socket (15) is arranged at the left lower corner of the first supporting plate (1); the plug socket (15) is welded in the middle position of the left side of the support rod (2); the glue filling barrel (16) is inserted in the middle of the upper inner part of the insertion base (15); the detachable seat structure (6) capable of sliding forwards and backwards comprises a U-shaped sliding seat (61), a connecting shielding plate (62), square-head bolts (63), a first deep groove ball bearing (64), a moving motor (65) and a first threaded rod (66), wherein the square-head bolts (63) respectively penetrate through the left side and the right side of the front surface of the connecting shielding plate (62); the square-head bolts (63) are respectively in threaded connection with the left side and the right side of the front surface of the U-shaped sliding seat (61); the first deep groove ball bearing (64) is embedded in the middle of the front surface of the connecting shielding plate (62); the moving motor (65) is connected to the front surface of the connecting shielding plate (62) through bolts; the first threaded rod (66) penetrates through the inner ring of the first deep groove ball bearing (64); the first threaded rod (66) is connected to an output shaft of the moving motor (65) in a coupling mode.

2. The improved automatic glue spreader for the color printing packaging production line as claimed in claim 1, wherein the slidable spreader bar structure (7) comprises a supporting sliding bar (71), a movable spreader bar (72), a movable sliding hole (73), a second deep groove ball bearing (74), a movable spreader motor (75), a second threaded bar (76), a movable pipe (77) and a threaded hole (78), wherein the upper end of the supporting sliding bar (71) is welded to the left side and the right side of the lower end of the movable spreader bar (72); the movable sliding hole (73) is formed in the middle position inside the movable coating frame (72); the second deep groove ball bearings (74) are respectively welded at the left side and the right side of the upper end of the movable coating frame (72); the movable smearing motor (75) is connected to the right side of the upper end of the movable smearing frame (72) through bolts; the second threaded rods (76) respectively penetrate through the inner rings of the second deep groove ball bearings (74); the threaded holes (78) are respectively formed in the middle of the upper inner part of the moving pipe (77); the second threaded rod (76) penetrates through the chalk threaded hole (78).

3. The improved automatic glue spreader for the color printing packaging production line as claimed in claim 1, wherein the adjustable storage and spreading barrel structure (8) comprises a spreading glue barrel (81), a second plug-in rod (82), a sliding adjusting rod (83), a spreading tube (84), a manual valve (85), a spreading block (86) and a sponge sleeve (87), wherein the lower end of the second plug-in rod (82) is respectively welded at the left side and the right side of the upper end of the spreading glue barrel (81); the upper ends of the second plug-in rods (82) are respectively welded in the middle of the lower ends of the sliding adjusting rods (83); the upper end of the smearing pipe (84) is welded at the middle position of the lower sheet of the smearing glue barrel (81); the manual valve (85) is inserted in the middle position of the right side of the smearing pipe (84) in a threaded manner; the coating block (86) is in threaded insertion connection with the inner wall of the lower side of the coating pipe (84); the sponge sleeve (87) is sleeved on the outer wall of the lower end of the smearing block (86).

4. The improved automatic glue spreader for color printing packaging production line as claimed in claim 1, wherein the connecting shielding plates (62) are respectively arranged on the front surface and the rear surface of the U-shaped sliding seat (61); the connecting shielding plate (62) is a stainless steel plate; the outer wall of the first threaded rod (66) is in interference fit with the inner ring of the first deep groove ball bearing (64).

5. The improved automatic glue spreader for the color printing packaging production line as claimed in claim 1, wherein the protective block (11) is a silica gel block with a rectangular cross section; the first supporting plate (1) adopts a stainless steel seat with a groove at the upper end.

6. The improved automatic glue spreader for color printing packaging production line as claimed in claim 1, wherein the U-shaped sliding seats (61) are respectively bolted to the upper end of the second supporting plate (5).

7. The improved automatic glue spreader for the color printing packaging production line as claimed in claim 2, wherein the second threaded rod (76) is in threaded connection with the moving tube (77) through a threaded hole (78); the outer wall of the second threaded rod (76) is in interference fit with the inner ring of the second deep groove ball bearing (74); the supporting sliding rod (71) is a stainless steel rod with a threaded hole formed in the middle of the lower side.

8. The improved automatic glue spreader for color printing packaging production line as claimed in claim 2, wherein the supporting sliding rods (71) are respectively inserted inside the upper sides of the U-shaped sliding seats (61); the supporting sliding rods (71) are respectively sleeved on the outer walls of the second threaded rods (76); the supporting sliding rod (71) and the second threaded rod (76) are in threaded connection.

9. The improved automatic glue spreader for the color printing packaging production line as claimed in claim 3, wherein the spreading block (86) is a stainless steel threaded block with a through hole formed therein; the lower end of the glue smearing barrel (81) is a conical stainless steel barrel.

10. The improved automatic glue spreader for color printing packaging production line as claimed in claim 3, wherein the sliding adjusting rod (83) penetrates through a sliding hole formed in the moving tube (77) in a sliding manner; the upper end of the second plug-in rod (82) is plugged in the middle position inside the lower side of the moving pipe (77).