CN112897174A

CN112897174A - Multistage conveyor is used in label production

Info

Publication number: CN112897174A
Application number: CN202110191137.XA
Authority: CN
Inventors: 黄波
Original assignee: Qingdao Zhiyuan Packaging Printing Co ltd
Current assignee: Qingdao Zhiyuan Packaging Printing Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-06-04
Anticipated expiration: 2041-02-19
Also published as: CN112897174B

Abstract

The invention discloses a multi-section conveying device for label production, which comprises a base, wherein a plurality of supporting blocks are fixedly arranged at the lower end of the base, two reinforcing plates are fixedly arranged between every two supporting blocks and are symmetrically distributed front and back, a pressing mechanism is arranged at the right part of the upper end of the base, two L-shaped plates which are symmetrical front and back are fixedly arranged at the upper end of the base and are positioned at the right side of the pressing mechanism, two first limiting rollers are movably connected between the two L-shaped plates through bearings and are symmetrically distributed up and down, and a power machine is fixedly arranged at the rear end of the L-shaped plate at the rear side. According to the multi-section conveying device for label production, the installation height of the press roller is adjusted through the pressing mechanism, the tightness degree of the label belt is adjusted through the adjusting mechanism, the label belt is prevented from being misplaced during transportation through multiple limiting and positioning measures, the transportation effect is good, and the transportation quality is high.

Description

Multistage conveyor is used in label production

Technical Field

The invention relates to the field of label production equipment, in particular to a multi-section conveying device for label production.

Background

The current label is used for marking your product target and classification or content, such as key words determined by your target, and is a tool for searching and positioning your own target by your own and other people. The labels, known in the printing industry, are mostly printed matter with relevant instructions for identifying their own products, and are mostly self-adhesive backed. However, there are also some that are not printed with glue and may also be called labels. The label with glue is commonly called as a self-adhesive label. However, the existing multi-stage conveying device for label production has the following disadvantages: 1. most of the existing multi-section conveying devices for label production adopt compression rollers to press label belts, so that the label belts are prevented from shifting during conveying to influence the conveying efficiency and the conveying quality of the label belts, but most of the existing compression rollers adopt a fixed installation mode, namely, the distance between the compression rollers and the label belts is a fixed value, so that the label belts cannot be conveniently changed and are inconvenient to use;

2. most of the existing multi-section conveying devices for label production are not provided with a mechanism for adjusting the tightness degree of a label belt, so that the label belt is not convenient to transport; 3. the limiting effect in the existing multi-section conveying device for label production is not obvious, and the label belt can be dislocated during transportation, so that the conveying quality of the label belt is influenced.

Disclosure of Invention

The invention mainly aims to provide a multi-section conveying device for label production, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a multi-section conveying device for label production comprises a base, wherein a plurality of supporting blocks are fixedly mounted at the lower end of the base, two reinforcing plates are fixedly mounted between every two supporting blocks and symmetrically distributed front and back, a pressing mechanism is arranged at the right part of the upper end of the base, two L-shaped plates which are symmetrical front and back are fixedly mounted at the upper end of the base and positioned at the right side of the pressing mechanism, two first limiting rollers are movably connected between the two L-shaped plates through bearings together, the two first limiting rollers are symmetrically distributed up and down, a power machine is fixedly mounted at the rear end of the L-shaped plate at the rear side, an output end of the power machine penetrates through the L-shaped plate at the rear side and is fixedly provided with a driving roller, the front end of the driving roller is movably connected with the L-shaped plate at the front side through bearings, a main plate and a first mounting plate are fixedly mounted at the upper end of the base, and a, and the first driving roller is positioned at the positive left side of the driving roller, the left part of the front end of the main board is fixedly provided with a connecting plate, the front end of the connecting plate is fixedly provided with an auxiliary plate, the auxiliary plate and the main board are jointly connected with a fourth driving roller and a third limiting roller through a bearing movable joint, the fourth driving roller is positioned at the positive top of the first driving roller, the third limiting roller is positioned at the positive top of the fourth driving roller, the upper ends of the main board and the auxiliary plate are fixedly provided with a group of mounting posts, the upper ends of the two groups of mounting posts are fixedly provided with Y-shaped plates, the two Y-shaped plates are jointly connected with a third driving roller and a second limiting roller through a bearing movable joint, the third driving roller is positioned at the left side of the second limiting roller, the two second limiting rollers are provided with two groups, and the two second limiting rollers are vertically symmetrically distributed by taking the third driving roller as the, and two sets of second mounting panels all are located the mainboard left, and are two sets of all rotate in the second mounting panel and be connected with three second driving roller, and the second driving roller is located the positive left of first driving roller, base upper end right part is provided with adjustment mechanism.

Preferably, pressing means includes the backup pad, the backup pad is provided with two, two the backup pad lower extreme all with base upper end fixed connection, two the equal fixed mounting of one end that the backup pad is close to each other has a fixed plate, the front side fixed mounting of fixed plate upper end has the second backplate, the rear side fixed mounting of fixed plate upper end has first backplate, common fixed mounting has the bottom plate between first backplate and the second backplate, three lifting groove has all been opened to the one end that first backplate and second backplate are close to each other, be provided with three compression roller between first backplate and the second backplate, first backplate rear end right part fixed mounting has the extension board, extension board right-hand member fixed mounting has electric putter, and the electric putter output extends to inside the first backplate.

Preferably, first backplate inside is opened there is first spout, and first spout communicates with each other with the lift groove of rear side, first spout right side cell wall is opened there is the push groove, sliding connection has horizontal trapezoidal piece in the push groove, and horizontal trapezoidal piece right-hand member and electric putter output fixed connection, horizontal trapezoidal piece upper end swing joint has vertical trapezoidal piece, vertical trapezoidal piece left end fixed mounting has first slider, first slider left end fixed mounting has first connecting block, vertical trapezoidal piece, first slider and first connecting block all are located first spout, the common fixed mounting of cell wall and lower cell wall has first spacing post on the first spout, and first spacing post runs through first connecting block, first spacing post surface has cup jointed first spring, and first spring is located first connecting block top.

Preferably, the inside second spout that opens of second backplate, and the second spout communicates with each other with the lift groove of front side, cell wall and the common fixed mounting of lower cell wall have two spacing posts of second on the second spout, and the equal activity through connection of two spacing posts of second has the second connecting block, the second spring has been cup jointed to the spacing post surface of second, and the second spring is located second connecting block top, two common fixed mounting has the second slider between the second connecting block, and the second slider height is the same with first slider height.

Preferably, the front end and the rear end of the press roller are movably connected with the first sliding block and the second sliding block through bearings respectively.

Preferably, the adjusting mechanism comprises two T-shaped plates, the lower ends of the two T-shaped plates are fixedly connected with the base, two bilaterally symmetrical fixing rollers are movably connected between the two T-shaped plates through a bearing, the front ends of the two T-shaped plates are respectively provided with a front and back penetrating limiting groove, one end of each of the two T-shaped plates, which is far away from each other, is fixedly provided with a transverse plate and a top plate, the number of the transverse plates is two, and the two transverse plates are both positioned below the limiting groove, one ends of the two transverse plates far away from the T-shaped plate are jointly and fixedly provided with a vertical plate, the top plate is positioned above the limit groove, a threaded rod is movably connected between the top plate and the transverse plate at the upper side through a bearing, a movable plate is connected with the outer surface of the threaded rod in a threaded penetrating way, and the movable plates are of L-shaped structures, the movable plates penetrate through the limiting grooves, and the movable rollers are movably connected between the two movable plates through bearings.

Preferably, the rear side riser rear end fixed mounting has servo motor, the riser and the fixed mounting that the servo motor output runs through the rear side have the jack-post, and the jack-post front end runs through two T shaped plates in proper order and passes through the riser swing joint of bearing and front side, jack-post surface fixed mounting has two first gears, and two first gears are located two T shaped plate outsides respectively.

Preferably, the lower ends of the two threaded rods penetrate through the two transverse plates respectively and are fixedly provided with second gears, and the two second gears are meshed with the two first gears respectively.

Compared with the prior art, the invention has the following beneficial effects:

1. the multi-section conveying device for label production adjusts the installation height of the press roll by arranging the pressing mechanism, when the installation height of the press roll needs to be adjusted, the output end of the electric push rod drives the transverse trapezoidal block to move leftwards, the transverse trapezoidal block drives the vertical trapezoidal block to move upwards, the vertical trapezoidal block drives the first sliding block to move upwards, the first sliding block drives the press roll to move upwards, namely, the installation height of the press roll is increased, the first sliding block can only move in the vertical direction by arranging the first limiting column and the first connecting block, the second sliding block can only move in the vertical direction by arranging the second limiting column and the second connecting block, the first sliding block and the second sliding block are prevented from being deviated when moving upwards to influence the upward movement of the press roll, the downward acting force of the first sliding block is increased by arranging the first spring, and the downward acting force of the second sliding block is increased by arranging the second spring, the pressing roller and the label tape are always kept in a fit state through the downward acting force of the first sliding block and the second sliding block, so that the label tape is prevented from being separated from the pressing roller during conveying;

2. the invention relates to a multi-section conveying device for label production, which adjusts the tightness degree of a label belt by arranging an adjusting mechanism, when the tightness degree of the label belt needs to be adjusted, a servo motor is started, the output end of the servo motor drives a shaft post to rotate, the shaft post drives two first gears to synchronously rotate, the two first gears respectively drive two second gears to synchronously rotate, the two second gears respectively drive two threaded rods to synchronously rotate, the two threaded rods respectively drive two movable plates to synchronously ascend or descend, the two movable plates jointly drive a movable roller to move up and down, the tightness degree of the label belt is adjusted by adjusting the distance between the movable roller and a fixed roller, namely, the output end of the servo motor rotates forwards, the movable roller moves upwards, the distance between the movable roller and the fixed roller is increased, a label sleeved between the movable roller and the fixed roller is driven to be tightened, and the output end of the servo motor rotates, the movable roller moves downwards, the distance between the movable roller and the fixed roller is reduced, the label sleeved between the movable roller and the fixed roller is driven to be loosened, and the arrangement of the adjusting mechanism is beneficial to the transportation of the label belt;

3. when the multi-section conveying device for label production is used for conveying, a label belt sequentially passes through three press rollers, two first limiting rollers, the upper part of a drive roller, the lower part of a first drive roller, a part between a fourth drive roller and a third limiting roller, a part between a third drive roller and a second limiting roller, six lower parts of a second drive roller, the lower part of a right fixed roller, the upper part of a movable roller and the lower part of a left fixed roller.

Drawings

FIG. 1 is a schematic view of the overall structure of a multi-stage conveying apparatus for label production according to the present invention;

FIG. 2 is a rear view of the overall construction of a multi-stage label converting apparatus according to the present invention;

FIG. 3 is a side view of the overall construction of a multi-stage label producing conveyor of the present invention;

FIG. 4 is a schematic structural diagram of a pressing mechanism of a multi-stage conveying device for label production according to the present invention;

FIG. 5 is a schematic sectional view of a first guard plate of a multi-stage conveying device for label production according to the present invention;

FIG. 6 is a schematic view illustrating the operation of the first guard plate of the multi-stage conveying device for label production according to the present invention;

FIG. 7 is a sectional view of a second guard plate of the multi-stage conveying device for label production according to the present invention;

FIG. 8 is a schematic structural view of an adjusting mechanism of a multi-stage conveying device for label production according to the present invention;

fig. 9 is a schematic exploded view of an adjusting mechanism of a multi-stage conveying device for label production according to the present invention.

In the figure: 1. a base; 2. a support block; 3. a reinforcing plate; 4. a pressing mechanism; 5. an L-shaped plate; 6. a first limit roller; 7. a drive roller; 8. a power machine; 9. a main board; 10. a first mounting plate; 11. a first drive roller; 12. a connecting plate; 13. a sub-board; 14. a Y-shaped plate; 15. a second mounting plate; 16. a second driving roller; 17. an adjustment mechanism; 18. mounting a column; 19. a third driving roller; 20. A second limit roller; 21. a fourth driving roller; 22. a third limit roller; 31. a support plate; 32. a fixing plate; 33. a second guard plate; 34. a first guard plate; 35. a compression roller; 36. a lifting groove; 37. a lengthening plate; 38. an electric push rod; 39. a base plate; 41. pushing the groove; 42. a first chute; 43. a transverse trapezoidal block; 44. a vertical trapezoidal block; 45. a first slider; 46. a first connection block; 47. a first limit post; 48. a first spring; 51. a second chute; 52. a second slider; 53. a second connecting block; 54. A second limit post; 55. a second spring; 61. a T-shaped plate; 62. a fixed roller; 63. a limiting groove; 64. a transverse plate; 65. a vertical plate; 66. a top plate; 67. a threaded rod; 68. a movable plate; 69. a movable roller; 71. a servo motor; 72. a column shaft; 73. a first gear; 74. a second gear.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-9, a multi-stage conveying device for label production comprises a base 1, a plurality of supporting blocks 2 are fixedly installed at the lower end of the base 1, two reinforcing plates 3 are fixedly installed between every two supporting blocks 2, the two reinforcing plates 3 are symmetrically distributed in the front and back direction, a pressing mechanism 4 is arranged at the right part of the upper end of the base 1, two L-shaped plates 5 symmetrically distributed in the front and back direction are fixedly installed at the upper end of the base 1, the L-shaped plates 5 are positioned at the right side of the pressing mechanism 4, two first limiting rollers 6 are movably connected between the two L-shaped plates 5 through bearings together, the two first limiting rollers 6 are symmetrically distributed in the up and down direction, a power machine 8 is fixedly installed at the rear end of the L-shaped plate 5 at the rear side, the output end of the power machine 8 penetrates through the L-shaped plate 5 at the rear side and is fixedly installed with a driving roller 7, the front end of the driving, a first driving roller 11 is movably connected between the main board 9 and the first mounting board 10 through a bearing, the first driving roller 11 is positioned at the right left side of the driving roller 7, a connecting board 12 is fixedly installed at the left part of the front end of the main board 9, an auxiliary board 13 is fixedly installed at the front end of the connecting board 12, a fourth driving roller 21 and a third limiting roller 22 are movably connected between the auxiliary board 13 and the main board 9 through a bearing, the fourth driving roller 21 is positioned right above the first driving roller 11, the third limiting roller 22 is positioned above the fourth driving roller 21, a group of mounting posts 18 are fixedly installed at the upper ends of the main board 9 and the auxiliary board 13, Y-shaped plates 14 are fixedly installed at the upper ends of the two groups of mounting posts 18, a third driving roller 19 and a second limiting roller 20 are movably connected between the two Y-shaped plates 14 through a bearing, the third driving roller 19 is positioned at the left side of the second limiting roller 20, the two second limiting rollers 20 are arranged, and the two second limiting rollers 20 are vertically and symmetrically distributed by taking the, base 1 upper end fixed mounting has two sets of second mounting panels 15, and two sets of second mounting panels 15 all are located mainboard 9 left, all rotates in two sets of second mounting panels 15 and is connected with three second driving roller 16, and second driving roller 16 is located the positive left of first driving roller 11, and base 1 upper end right part is provided with adjustment mechanism 17.

The pressing mechanism 4 comprises a supporting plate 31, two supporting plates 31 are arranged, the lower ends of the two supporting plates 31 are fixedly connected with the upper end of the base 1, one ends of the two supporting plates 31, which are close to each other, are fixedly provided with a fixing plate 32, the upper end of the front side fixing plate 32 is fixedly provided with a second protection plate 33, the upper end of the rear side fixing plate 32 is fixedly provided with a first protection plate 34, a bottom plate 39 is fixedly arranged between the first protection plate 34 and the second protection plate 33 together, one ends of the first protection plate 34 and the second protection plate 33, which are close to each other, are respectively provided with three lifting grooves 36, three press rollers 35 are arranged between the first protection plate 34 and the second protection plate 33, the right part of the rear end of the first protection plate 34 is fixedly provided with an extension plate 37, the right end of the extension plate 37 is fixedly provided with an electric push rod 38, the output end of the electric, and the height of the lifting groove 36 is equal to the height difference between the first sliding groove 42 and the first sliding block 45, the press roller 35 can contact the bottom plate 39 when descending to the maximum extent, and the fixing plate 32 plays a role in reinforcing connection.

The first guard plate 34 is internally provided with a first sliding groove 42, the first sliding groove 42 is communicated with the lifting groove 36 at the rear side, the right groove wall of the first sliding groove 42 is provided with a push groove 41, the push groove 41 is internally and slidably connected with a transverse trapezoidal block 43, the right end of the transverse trapezoidal block 43 is fixedly connected with the output end of the electric push rod 38, the upper end of the transverse trapezoidal block 43 is movably connected with a vertical trapezoidal block 44, the left end of the vertical trapezoidal block 44 is fixedly provided with a first sliding block 45, the left end of the first sliding block 45 is fixedly provided with a first connecting block 46, the vertical trapezoidal block 44, the first sliding block 45 and the first connecting block 46 are all positioned in the first sliding groove 42, the upper groove wall and the lower groove wall of the first sliding groove 42 are jointly and fixedly provided with a first limit column 47, the first limit column 47 penetrates through the first connecting block 46, the outer surface of the first limit column 47 is sleeved with a first spring 48, the first spring 48 is positioned above the first connecting block 46, the, the vertical height of the inclined plane of the transverse trapezoidal block 43 is equal to the height difference between the first sliding groove 42 and the first sliding block 45, that is, when the transverse trapezoidal block 43 moves leftwards to the maximum, the upper end of the first sliding block 45 just contacts with the upper groove wall of the first sliding groove 42.

The second sliding groove 51 is formed in the second protection plate 33, the second sliding groove 51 is communicated with the lifting groove 36 on the front side, two second limiting columns 54 are fixedly mounted on the upper groove wall and the lower groove wall of the second sliding groove 51 together, the two second limiting columns 54 are movably connected with a second connecting block 53 in a penetrating mode, a second spring 55 is sleeved on the outer surface of each second limiting column 54, the second spring 55 is located above the second connecting block 53, a second sliding block 52 is fixedly mounted between the two second connecting blocks 53 together, the height of the second sliding block 52 is the same as that of the first sliding block 45, the second limiting columns 54 and the second connecting blocks 53 are matched together to limit the movement of the second sliding block 52, and the second sliding block 52 can only move up and down.

The front end and the rear end of the press roller 35 are movably connected with the first slider 45 and the second slider 52 through bearings respectively, and the first slider 45 and the second slider 52 drive the press roller 35 to move together.

The adjusting mechanism 17 comprises two T-shaped plates 61, the lower ends of the two T-shaped plates 61 are fixedly connected with the base 1, two bilaterally symmetrical fixed rollers 62 are movably connected between the two T-shaped plates 61 through a bearing, the front ends of the two T-shaped plates 61 are respectively provided with a front through limiting groove 63 and a rear through limiting groove 63, the far ends of the two T-shaped plates 61 are respectively fixedly provided with a transverse plate 64 and a top plate 66, the transverse plates 64 are respectively arranged below the limiting grooves 63, the far ends of the two transverse plates 64 far away from the T-shaped plates 61 are respectively fixedly provided with a vertical plate 65, the top plate 66 is arranged above the limiting groove 63, the top plate 66 and the transverse plate 64 at the upper side are respectively and movably connected with a threaded rod 67 through a bearing, the outer surface of the threaded rod 67 is in threaded through connection with a movable plate 68, the movable plate 68 is in an L-shaped structure, the movable, the stopper groove 63 is provided such that the movable plate 68 can only move up and down.

Rear side riser 65 rear end fixed mounting has servo motor 71, servo motor 71 output runs through the riser 65 and the fixed mounting of rear side has jack-post 72, and jack-post 72 front end runs through two T shaped plates 61 in proper order and passes through bearing and the riser 65 swing joint of front side, jack-post 72 surface fixed mounting has two first gears 73, and two first gears 73 are located two T shaped plates 61 outsides respectively, first gear 73 not with diaphragm 64, riser 65 contact, first gear 73 is also avoided the operating personnel mistake to touch to the setting of diaphragm 64 and riser 65 simultaneously.

The lower ends of the two threaded rods 67 penetrate through the two transverse plates 64 respectively and are fixedly provided with second gears 74, the two second gears 74 are meshed with the two first gears 73 respectively, the second gears 74 are driven to rotate through the first gears 73, and synchronous rotation of the two threaded rods 67 is achieved.

It should be noted that, when the multistage conveying device for label production is used, when the installation height of the pressure roller 35 needs to be adjusted, the output end of the electric push rod 38 drives the horizontal trapezoidal block 43 to move leftward, the horizontal trapezoidal block 43 drives the vertical trapezoidal block 44 to move upward, the vertical trapezoidal block 44 drives the first slider 45 to move upward, the first slider 45 drives the pressure roller 35 to move upward, that is, the installation height of the pressure roller 35 is increased, the first slider 45 can only move in the vertical direction by arranging the first limiting column 47 and the first connecting block 46, the second slider 52 can only move in the vertical direction by arranging the second limiting column 54 and the second connecting block 53, the first slider 45 and the second slider 52 are prevented from shifting when moving upward to affect the upward movement of the pressure roller 35, the downward acting force of the first slider 45 is increased by arranging the first spring 48, the downward acting force of the second sliding block 52 is increased by arranging the second spring 55, the pressing roller 35 and the label tape are always kept in a joint state by the common downward acting force of the first sliding block 45 and the second sliding block 52, the label tape is prevented from being separated from the pressing roller 35 during conveying, when the tightness degree of the label tape needs to be adjusted, the output end of the servo motor 71 drives the shaft post 72 to rotate by starting the servo motor 71, the shaft post 72 drives the two first gears 73 to synchronously rotate, the two first gears 73 respectively drive the two second gears 74 to synchronously rotate, the two second gears 74 respectively drive the two threaded rods 67 to synchronously rotate, the two threaded rods 67 respectively drive the two movable plates 68 to synchronously ascend or descend, the two movable plates 68 jointly drive the movable roller 69 to vertically move, the tightness degree of the label tape is adjusted by adjusting the distance between the movable roller 69 and the fixed roller 62, namely, the output end of the servo motor 71 rotates forwards, the movable roller 69 moves upwards, the distance between the movable roller 69 and the fixed roller 62 is increased, the label sleeved between the movable roller 69 and the fixed roller 62 is driven to be tightened, the output end of the servo motor 71 rotates backwards, the movable roller 69 moves downwards, the distance between the movable roller 69 and the fixed roller 62 is reduced, the label sleeved between the movable roller 69 and the fixed roller 62 is driven to be loosened, the adjusting mechanism 17 is arranged to be beneficial to the transportation of the label tape, the label tape passes between the two first limiting rollers 6 by arranging the two first limiting rollers 6 to avoid the label tape from separating from the driving roller 7, the label tape is prevented from separating from the fourth driving roller 21 by arranging the third limiting roller 22, the label tape is prevented from separating from the third driving roller 19 by arranging the second limiting roller 20, and the dislocation phenomenon of the label tape during the transportation is avoided by multiple limiting positioning measures, the label belt has the advantages of good transportation effect, high transportation quality, convenient use and contribution to the transportation of the label belt.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multistage conveyor is used in label production, includes base (1), its characterized in that: the lower end of the base (1) is fixedly provided with a plurality of supporting blocks (2), the supporting blocks (2) are fixedly provided with two reinforcing plates (3) between every two, the two reinforcing plates (3) are symmetrically distributed front and back, the right part of the upper end of the base (1) is provided with a pressing mechanism (4), the upper end of the base (1) is fixedly provided with two L-shaped plates (5) which are symmetrically distributed front and back, the L-shaped plates (5) are positioned at the right side of the pressing mechanism (4), the two L-shaped plates (5) are jointly connected with two first limiting rollers (6) through bearings in a movable mode, the two first limiting rollers (6) are symmetrically distributed up and down, the rear end of the L-shaped plate (5) is fixedly provided with a power machine (8), the output end of the power machine (8) penetrates through the L-shaped plate (5) at the rear side and is fixedly provided with a driving roller (7), and the front end of the driving roller, base (1) upper end fixed mounting has mainboard (9) and first mounting panel (10), there is first driving roller (11) through bearing swing joint jointly between mainboard (9) and first mounting panel (10), and first driving roller (11) are located drive roller (7) positive left, mainboard (9) front end left part fixed mounting has connecting plate (12), connecting plate (12) front end fixed mounting has subplate (13), there are fourth driving roller (21) and third spacing roller (22) through bearing swing joint jointly between subplate (13) and mainboard (9), and fourth driving roller (21) are located directly over first driving roller (11), third spacing roller (22) are located fourth driving roller (21) upper left side, mainboard (9) and subplate (13) upper end equal fixed mounting have a set of erection column (18), it is two sets of equal fixed mounting in erection column (18) upper end has Y shaped plate (14), two there are third driving roller (19) and the spacing roller of second (20) jointly through bearing swing joint between Y shaped plate (14), and third driving roller (19) are located the spacing roller of second (20) left, the spacing roller of second (20) is provided with two, and two spacing rollers of second (20) use third driving roller (19) to be the longitudinal symmetry distribution as the center, base (1) upper end fixed mounting has two sets of second mounting panels (15), and two sets of second mounting panels (15) all are located mainboard (9) left, and are two sets of all rotate in second mounting panel (15) and be connected with three second driving roller (16), and second driving roller (16) are located the positive left of first driving roller (11), base (1) upper end right part is provided with adjustment mechanism (17).

2. The multi-stage conveyor for label production according to claim 1, wherein: the pressing mechanism (4) comprises a supporting plate (31), the supporting plate (31) is provided with two, the lower ends of the two supporting plates (31) are fixedly connected with the upper end of the base (1), one ends of the two supporting plates (31) close to each other are fixedly provided with a fixing plate (32), the upper end of the fixing plate (32) is fixedly provided with a second protection plate (33), the upper end of the fixing plate (32) is fixedly provided with a first protection plate (34), a bottom plate (39) is fixedly arranged between the first protection plate (34) and the second protection plate (33) together, one ends of the first protection plate (34) and the second protection plate (33) close to each other are provided with three lifting grooves (36), three pressing rollers (35) are arranged between the first protection plate (34) and the second protection plate (33), and an extension plate (37) is fixedly arranged at the right part of the rear end of the first protection plate (34), the right end of the lengthened plate (37) is fixedly provided with an electric push rod (38), and the output end of the electric push rod (38) extends to the inside of the first protection plate (34).

3. The multi-stage conveying apparatus for label production according to claim 2, wherein: the inner part of the first protection plate (34) is provided with a first sliding groove (42), the first sliding groove (42) is communicated with a lifting groove (36) at the rear side, the right groove wall of the first sliding groove (42) is provided with a push groove (41), a transverse trapezoidal block (43) is connected in the push groove (41) in a sliding manner, the right end of the transverse trapezoidal block (43) is fixedly connected with the output end of an electric push rod (38), the upper end of the transverse trapezoidal block (43) is movably connected with a vertical trapezoidal block (44), the left end of the vertical trapezoidal block (44) is fixedly provided with a first sliding block (45), the left end of the first sliding block (45) is fixedly provided with a first connecting block (46), the vertical trapezoidal block (44), the first sliding block (45) and the first connecting block (46) are all positioned in the first sliding groove (42), and the upper groove wall and the lower groove wall of the first sliding groove (42) are fixedly provided with a first limit column, and the first limit column (47) penetrates through the first connecting block (46), the outer surface of the first limit column (47) is sleeved with a first spring (48), and the first spring (48) is positioned above the first connecting block (46).

4. The multi-stage conveying apparatus for label production according to claim 2, wherein: second spout (51) have been opened to second backplate (33) inside, and second spout (51) communicate with each other with lift groove (36) of front side, cell wall and the common fixed mounting of cell wall down have two spacing posts (54) of second on second spout (51), and the equal activity through connection of two spacing posts (54) of second has second connecting block (53), second spring (55) have been cup jointed to the spacing post (54) surface of second, and second spring (55) are located second connecting block (53) top, two common fixed mounting has second slider (52) between second connecting block (53), and second slider (52) height is the same with first slider (45) height.

5. The multi-stage conveying apparatus for label production according to claim 2, wherein: the front end and the rear end of the compression roller (35) are respectively movably connected with the first sliding block (45) and the second sliding block (52) through bearings.

6. The multi-stage conveyor for label production according to claim 1, wherein: the adjusting mechanism (17) comprises T-shaped plates (61), the T-shaped plates (61) are provided with two, the lower ends of the two T-shaped plates (61) are fixedly connected with the base (1), the two T-shaped plates (61) are jointly connected with two bilateral symmetry fixing rollers (62) through bearing movable connection, the front ends of the two T-shaped plates (61) are provided with limiting grooves (63) which penetrate through the front and the back, the two T-shaped plates (61) are fixedly provided with transverse plates (64) and a top plate (66) at one ends far away from each other, the transverse plates (64) are provided with two transverse plates (64) which are respectively located below the limiting grooves (63), the transverse plates (64) at one ends far away from the T-shaped plates (61) are jointly fixedly provided with vertical plates (65), the top plate (66) is located above the limiting grooves (63), and the transverse plates (66) and the transverse plates (64) at the upper side are jointly connected with threaded rods, threaded rod (67) surface screw thread through connection has fly leaf (68), and fly leaf (68) are L shape structure, spacing groove (63) are run through to fly leaf (68), two there are activity roller (69) jointly through bearing swing joint between fly leaf (68).

7. The multi-stage conveyor for label production according to claim 6, wherein: rear side riser (65) rear end fixed mounting has servo motor (71), riser (65) and the fixed mounting that servo motor (71) output runs through the rear side have jack (72), and jack (72) front end runs through two T shaped plates (61) in proper order and through riser (65) swing joint of bearing and front side, jack (72) surface fixed mounting has two first gears (73), and two first gears (73) are located two T shaped plates (61) outsides respectively.

8. The multi-stage conveyor for label production according to claim 6, wherein: the lower ends of the two threaded rods (67) penetrate through the two transverse plates (64) respectively and are fixedly provided with second gears (74), and the two second gears (74) are meshed with the two first gears (73) respectively.