CN219463959U

CN219463959U - Progressive drying tunnel of coating line

Info

Publication number: CN219463959U
Application number: CN202320815210.0U
Authority: CN
Inventors: 张永兵
Original assignee: Suzhou Cmt Automation Equipment Co ltd
Current assignee: Suzhou Cmt Automation Equipment Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-08-04
Anticipated expiration: 2033-04-13

Abstract

The application relates to the technical field of coating line stoving, and discloses a progressive stoving tunnel of coating line, the on-line screen storage device comprises a base, base top fixedly connected with casing, the base top is provided with the movable plate, movable plate top fixedly connected with fixture, casing top fixedly connected with stoving mechanism, fixture includes two risers, and two risers are equal fixedly connected with in the movable plate top. Through fixture's design, when carrying out proper centre gripping to the work piece, can drive to be carried out nimble rotation by the centre gripping work piece, make its every face homoenergetic obtain effectively drying, can carry out rotatory function cooperation through placing the platform simultaneously, can also trade the face to the work piece, expose the face that the work piece was held in the external world and accept the stoving, effectively guaranteed the even cover when drying the work piece, avoided when heating the work piece, the face of placing of work piece can't obtain effectively toasting and can't guarantee the condition of stoving quality.

Description

Progressive drying tunnel of coating line

Technical Field

The application relates to the technical field of coating line drying, in particular to a progressive drying tunnel of a coating line.

Background

The coating is a material protection technology for forming an organic coating layer on the surface of a substrate by using the coating, the coating is an important link in the surface manufacturing process of engineering machinery products, and generally in the process of manufacturing workpieces, the anti-rust and anti-corrosion coating quality is important, because the quality of the coating is directly related to the anti-rust and anti-corrosion performance of the later product in use, the service life of the product is further influenced, and meanwhile, after the coating is carried out, the paint on the surface of the workpiece needs to be dried, so that the paint surface is convenient to fix and form.

Patent net publication number CN214390943U discloses a drying device for coating production line, including stoving case and material feeding unit, the left and right sides of stoving case is equipped with feed inlet and discharge gate respectively, material feeding unit is the inside setting of transversely passing the stoving case, the inside of stoving case and the upper and lower both sides that are located material feeding unit are all fixed and are equipped with fixed cover, the inside of two fixed covers is all fixed and is equipped with the heating pipe, the vertical fixed slide rail that is equipped with of back inside wall of stoving case, the inside symmetry slip of slide rail is provided with two sliders, the inside of slide rail sets up and is equipped with two-way lead screw, two ends of two-way lead screw all rotate the connection with the upper and lower both sides inner wall of slide rail respectively and can heat the stoving simultaneously to the upper and lower side of product, and avoid causing the phenomenon that heat runs off in a large number, the stoving effect has been improved.

The device is in the application process, through using conveyor to carry into the stoving incasement portion with the product to both ends all set up the heating pipe about conveyor, with this purpose that reaches the stoving to upper and lower two faces of product, but because the work piece is in the transportation, its product bottom is contacted with conveyor top, has set up the heating pipe in the bottom admittedly, but the product bottom still receives conveyor's shielding when heating, is difficult to guarantee the heating effect.

Disclosure of Invention

In order to solve the problem, the application provides a gradual stoving tunnel of coating line.

The application provides a progressive stoving tunnel of coating line adopts following technical scheme:

the utility model provides a progressive stoving tunnel of coating line, includes the base, base top fixedly connected with casing, the base top is provided with the movable plate, movable plate top fixedly connected with fixture, casing top fixedly connected with stoving mechanism.

The clamping mechanism comprises two vertical plates, the two vertical plates are fixedly connected to the top of the movable plate, one side of each vertical plate is provided with a telescopic rotating rod, each telescopic rotating rod penetrates through each vertical plate and is rotationally connected with the corresponding vertical plate, one end of each telescopic rotating rod is fixedly connected with each clamping plate, a workpiece is arranged between the two clamping plates, the left end and the right end of each workpiece are respectively and tightly attached to one side of each two clamping plates, the top of each movable plate is fixedly connected with a first electric telescopic rod, the top of each first electric telescopic rod is provided with a placing plate, the bottom of each placing plate is fixedly connected with a sleeve, and the top of each first electric telescopic rod extends into the sleeve and is rotationally connected with the sleeve.

Through adopting above-mentioned technical scheme, at the in-process that the coating production line was dried after carrying out the application to the work piece, drying mechanism can carry out stoving work to the work piece in the casing inside, and between this, clamping mechanism can carry out the centre gripping to the work piece to can also guarantee the in-process of stable centre gripping, promote the work piece to rotate and turn over, promote every face on the work piece homoenergetic and obtain effective stoving, guaranteed the stoving quality, can avoid the work piece can't obtain effective stoving and the condition that further influences the stoving quality when carrying out the stoving bottom.

Preferably, a second electric telescopic rod is fixedly connected to one side of the vertical plate, one end of the second electric telescopic rod is fixedly connected with a connecting plate, and the telescopic rotating rod penetrates through the connecting plate and is rotationally connected with the connecting plate.

Through adopting above-mentioned technical scheme, can push and pull the linking board after the work of second electronic telescopic link to this realizes stretching and the retract of flexible dwang, makes the grip block carry out the centre gripping to the work piece and releases the centre gripping state.

Preferably, a U-shaped plate is fixedly connected to one side wall of the inner cavity of the shell, the U-shaped plate is arranged at the bottom of the placing plate, one of the vertical plates is arranged on the inner side of the U-shaped plate, a first rack is fixedly connected to one side of the U-shaped plate, a first gear is fixedly connected to the outer portion of the sleeve, the first rack is arranged on one side of the first gear, and the first rack is matched with the first gear.

Through adopting above-mentioned technical scheme, after the first gear follows the movable plate and removes to first rack one side with it, along with the continuation of movable plate, first gear rotates, and first gear drives the sleeve and rotates, and the sleeve then drives and places the board and rotate to this realizes placing the work piece that the board top was placed and rotate, wherein has certain frictional force between sleeve and the first electric telescopic handle, can avoid first gear to receive inertial continuation pivoted condition after leaving first rack.

Preferably, the long plates are fixedly connected to two side walls of the inner cavity of the shell, the second racks are fixedly connected to the top of the long plates, the second gears are fixedly connected to the outer parts of the two telescopic rotating rods, the two second gears are respectively arranged at the tops of the two second racks, and the two second gears are respectively meshed with the two second racks.

Through adopting above-mentioned technical scheme, because second gear meshes with the second rack mutually, so at the in-process that the movable plate removed, the second gear can rotate at second rack top, then the second gear drives flexible dwang rotation to this realizes that the work piece after being held carries out the turn-over simultaneously, makes different faces accept the stoving.

Preferably, the base top fixedly connected with two strip shaped plates, two strip shaped plates all set up in the movable plate bottom, the spout has been seted up at strip shaped plate top, four pulleys of movable plate bottom fixedly connected with, four pulleys are rectangle form symmetric distribution in the movable plate bottom, and four pulleys set up respectively in two spouts inside and with spout assorted.

Through adopting above-mentioned technical scheme, the movable plate accessible pulley is at the inside roll realization removal of spout to can not appear shifting at the in-process that removes.

Preferably, the base top fixedly connected with two rectangular plates, two rectangular plates set up respectively in the front and back both sides of movable plate, movable plate bottom fixedly connected with push plate, one of them rectangular plate front side fixedly connected with motor, the motor passes through output shaft fixedly connected with threaded rod, the threaded rod runs through one of them rectangular plate and rotates with two rectangular plates respectively to be connected, the threaded rod runs through the push plate and passes through threaded connection with the push plate.

Through adopting above-mentioned technical scheme, two rectangular plates can provide support motor and threaded rod respectively, and the motor work back drives the threaded rod and rotates, and the threaded rod drives the impeller plate and remove in the outside, and the impeller plate then drives the movable plate and remove, makes the work piece obtain the stoving at the inside different regions of casing.

Preferably, a PLC controller is fixedly connected to one side wall of the inner cavity of the shell, and the PLC controller is electrically connected with the motor, the first electric telescopic rod and the second electric telescopic rod respectively.

Through adopting above-mentioned technical scheme, input the procedure of having designed in advance in the PLC controller, later in the in-process that the work piece was dried, the PLC controller can be according to the procedure of setting for respectively to motor, first electric telescopic handle and second electric telescopic handle give the instruction.

Preferably, the drying mechanism comprises a platform plate and a frame plate, wherein movable grooves are formed in the left side wall and the right side wall of the inner cavity of the shell, the left side and the right side of the platform plate extend into the two movable grooves respectively and are matched with the movable grooves, the frame plate is fixedly connected inside the shell, the bottom of the platform plate is fixedly connected with a drying lamp, and the inner side of the frame plate is fixedly connected with a heating wire.

Through adopting above-mentioned technical scheme, the work piece is toasted through stoving lamp one side at first when the stoving, can avoid under the not yet shaping circumstances of work piece surface lacquer painting through the stoving of stoving lamp, directly blow the condition that the roughness of stoving and probably lead to the fact the influence to the lacquer painting through hot-blast.

Preferably, the top of the platform plate is fixedly connected with a hydraulic rod, the top of the hydraulic rod is fixedly connected with the top of the inner cavity of the shell, the top of the shell is fixedly connected with a fan, and the fan is arranged at the top of the heating wire.

Through adopting above-mentioned technical scheme, the heater strip is electrified back and is produced heat, and then the fan is when supplying air, and natural wind obtains the heating after the heater strip, converts into hot-blast blowing to work piece surface, forms the stoving effect.

Preferably, door curtains are fixedly connected to the front side and the rear side of the shell, and the bottoms of the door curtains are contacted with the tops of the bases.

Through adopting above-mentioned technical scheme, the door curtain can be lifted in a flexible way, is favorable to placing and taking out of work piece, still can avoid the inside heat of casing to the circumstances of external loss when the work piece is in the inside stoving of accepting of casing simultaneously.

In summary, the present application includes the following beneficial technical effects:

1. the utility model provides a progressive stoving tunnel of coating line, through fixture's design, when carrying out proper centre gripping to the work piece, can drive to be rotated in a flexible way by the centre gripping work piece, make its every face homoenergetic obtain effective stoving, can carry out rotatory function cooperation through placing the platform simultaneously, can also trade the face to the work piece, expose the face of work piece by the centre gripping in the external world and accept the stoving, even cover when effectively having guaranteed the work piece stoving, avoided when heating the work piece, the face of placing of work piece can't obtain effective stoving and can't guarantee the condition of stoving quality.

2. The utility model provides a progressive stoving tunnel of coating line, through the design of stoving mechanism, the work piece of stoving lamp work back production heat of baking to the in-process of baking, the hydraulic stem work back can be to the pulling from top to bottom of platform board, with toasting the distance between regulation stoving lamp and the work piece, with reaching better stoving effect, produce the heat with the heater strip and cooperate, can carry out the subsection stoving to the work piece, refined the stoving link, be favorable to guaranteeing the stoving effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a side cross-sectional view of the elongated plate of the present utility model;

FIG. 5 is a top cross-sectional view of the housing of the present utility model;

FIG. 6 is an enlarged view at B in FIG. 5;

fig. 7 is a top cross-sectional view of a riser in the present utility model.

Reference numerals illustrate: 1. a base; 2. a housing; 3. a moving plate; 4. a clamping mechanism; 41. a riser; 42. a telescopic rotating rod; 43. a clamping plate; 44. a workpiece; 45. a first electric telescopic rod; 46. placing a plate; 47. a sleeve; 48. a second electric telescopic rod; 49. a splice plate; 491. a U-shaped plate; 492. a first rack; 493. a first gear; 494. a long plate; 495. a second rack; 496. a second gear; 497. a strip-shaped plate; 498. a pulley; 499. a rectangular plate; 481. a pushing plate; 482. a motor; 483. a threaded rod; 484. a PLC controller; 5. a drying mechanism; 51. a platform plate; 52. a frame plate; 53. a drying lamp; 54. a heating wire; 55. a hydraulic rod; 56. a blower; 57. a door curtain.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses a progressive stoving tunnel of coating line. Referring to fig. 1-7, a progressive drying tunnel of a coating line comprises a base 1, wherein the top of the base 1 is fixedly connected with a shell 2, the top of the base 1 is provided with a movable plate 3, the top of the movable plate 3 is fixedly connected with a clamping mechanism 4, the top of the shell 2 is fixedly connected with a drying mechanism 5, the clamping mechanism 4 comprises two vertical plates 41, the two vertical plates 41 are fixedly connected to the top of the movable plate 3, one side of each vertical plate 41 is provided with a telescopic rotating rod 42, the telescopic rotating rod 42 penetrates through the vertical plate 41 and is rotationally connected with the vertical plate 41, one end of each telescopic rotating rod 42 is fixedly connected with a clamping plate 43, a workpiece 44 is arranged between the two clamping plates 43, the left end and the right end of the workpiece 44 are respectively tightly attached to one side of the two clamping plates 43, and the top of the movable plate 3 is fixedly connected with a first electric telescopic rod 45;

the top of the first electric telescopic rod 45 is provided with a placing plate 46, the bottom of the placing plate 46 is fixedly connected with a sleeve 47, the top of the first electric telescopic rod 45 extends into the sleeve 47 and is rotationally connected with the sleeve 47, in the process of drying a workpiece 44 after coating on a coating production line, the drying mechanism 5 can perform drying work on the workpiece 44 in the shell 2, and in between, the clamping mechanism 4 can clamp the workpiece 44 and can also ensure stable clamping, the workpiece 44 is promoted to rotate and turn over, each surface on the workpiece 44 can be effectively dried, the drying quality is ensured, and the condition that the bottom cannot be effectively baked when the workpiece 44 is dried and further influences the drying quality can be avoided;

one side of the vertical plate 41 is fixedly connected with a second electric telescopic rod 48, one end of the second electric telescopic rod 48 is fixedly connected with a connecting plate 49, the telescopic rotating rod 42 penetrates through the connecting plate 49 and is rotationally connected with the connecting plate 49, and the second electric telescopic rod 48 can push and pull the connecting plate 49 after working so as to realize the stretching and retracting of the telescopic rotating rod 42, and the clamping plate 43 is caused to clamp and release the clamping state of the workpiece 44;

a U-shaped plate 491 is fixedly connected to one side wall of the inner cavity of the shell 2, the U-shaped plate 491 is arranged at the bottom of the placement plate 46, one vertical plate 41 is arranged at the inner side of the U-shaped plate 491, one side of the U-shaped plate 491 is fixedly connected with a first rack 492, a first gear 493 is fixedly connected to the outer part of the sleeve 47, the first rack 492 is arranged at one side of the first gear 493, the first rack 492 is matched with the first gear 493, when the first gear 493 moves to one side of the first rack 492 along with the moving plate 3 and then is meshed with the first gear 493, the first gear 493 rotates along with the continuous advancing of the moving plate 3, the first gear 493 drives the sleeve 47 to rotate, and the sleeve 47 drives the placement plate 46 to rotate, so that a workpiece 44 placed at the top of the placement plate 46 rotates, and certain friction exists between the sleeve 47 and the first electric telescopic rod 45, and the condition that inertia continues to rotate after the first gear 493 leaves the first rack 492 can be avoided;

the two side walls of the inner cavity of the shell 2 are fixedly connected with long plates 494, the top of each long plate 494 is fixedly connected with a second rack 495, the outer parts of the two telescopic rotating rods 42 are fixedly connected with second gears 496, the two second gears 496 are respectively arranged at the tops of the two second racks 495, and the two second gears 496 are respectively meshed with the two second racks 495, and as the second gears 496 are meshed with the second racks 495, the second gears 496 rotate at the tops of the second racks 495 in the moving process of the moving plate 3, the second gears 496 drive the telescopic rotating rods 42 to rotate, so that the clamped workpieces 44 are simultaneously turned over, and different surfaces are dried;

the top of the base 1 is fixedly connected with two strip-shaped plates 497, the two strip-shaped plates 497 are arranged at the bottom of the moving plate 3, the top of the strip-shaped plates 497 is provided with sliding grooves, the bottom of the moving plate 3 is fixedly connected with four pulleys 498, the four pulleys 498 are symmetrically distributed in a rectangular shape at the bottom of the moving plate 3, the four pulleys 498 are respectively arranged in the two sliding grooves and matched with the sliding grooves, the moving plate 3 can move through the rolling of the pulleys 498 in the sliding grooves, and no deviation occurs in the moving process;

the top of the base 1 is fixedly connected with two rectangular plates 499, the two rectangular plates 499 are respectively arranged on the front side and the rear side of the moving plate 3, the bottom of the moving plate 3 is fixedly connected with a pushing plate 481, the front side of one rectangular plate 499 is fixedly connected with a motor 482, the motor 482 is fixedly connected with a threaded rod 483 through an output shaft, the threaded rod 483 penetrates through one rectangular plate 499 and is respectively and rotatably connected with the two rectangular plates 499, the threaded rod 483 penetrates through the pushing plate 481 and is in threaded connection with the pushing plate 481, the two rectangular plates 499 can respectively provide support for the motor 482 and the threaded rod 483, the threaded rod 483 drives the pushing plate 481 to move outside after the motor 482 works, and the pushing plate 481 drives the moving plate 3 to move, so that workpieces 44 are dried in different areas inside the shell 2;

a PLC controller 484 is fixedly connected to one side wall of the inner cavity of the housing 2, the PLC controller 484 is electrically connected with the motor 482, the first electric telescopic rod 45 and the second electric telescopic rod 48 respectively, a pre-designed program is input into the PLC controller 484, and then the PLC controller 484 can give instructions to the motor 482, the first electric telescopic rod 45 and the second electric telescopic rod 48 respectively according to a set program in the process of drying the workpiece 44;

the drying mechanism 5 comprises a platform plate 51 and a frame plate 52, wherein movable grooves are formed in the left side wall and the right side wall of the inner cavity of the shell 2, the left side and the right side of the platform plate 51 respectively extend into the two movable grooves and are matched with the movable grooves, the frame plate 52 is fixedly connected to the inside of the shell 2, a drying lamp 53 is fixedly connected to the bottom of the platform plate 51, a heating wire 54 is fixedly connected to the inner side of the frame plate 52, a workpiece 44 is firstly baked through one side of the drying lamp 53 during drying, and the situation that the flatness of the paint surface is possibly influenced by directly blowing and drying through hot air under the condition that the paint surface on the surface of the workpiece 44 is not shaped can be avoided through baking of the drying lamp 53;

the top fixedly connected with hydraulic stem 55 of platform board 51, hydraulic stem 55 top and casing 2 inner chamber top fixed connection, casing 2 top fixedly connected with fan 56, fan 56 sets up in heater strip 54 top, the heat is produced after the heater strip 54 is circular telegram, then fan 56 is when supplying air, natural wind obtains the heating after passing through heater strip 54, it blows to work piece 44 surface to convert into hot-blast, form the stoving effect, both sides all fixedly connected with door curtain 57 around the casing 2, door curtain 57 bottom contacts with base 1 top, door curtain 57 can be lifted in a flexible way, be favorable to placing and taking out of work piece 44, still can be in the inside condition that receives the stoving of casing 2 when the inside heat of casing 2 is lost to the external world when the work piece 44 is in simultaneously.

In the actual operation process, the device is firstly powered on, wherein the PLC controller 484 controls the motor 482, the first electric telescopic rod 45 and the second electric telescopic rod 48 according to a set program, the application of the PLC controller 484 is the prior art, so specific operation contents are not repeated here, specifically, when the workpiece 44 is dried, the coated workpiece 44 is firstly placed on the placing plate 46, then the PLC controller 484 controls the motor 482 to work, the motor 482 works and then drives the threaded rod 483 to slowly rotate, the threaded rod 483 rotates and then drives the pushing plate 481 to move, the pushing plate 481 drives the moving plate 3 to move, heat is generated after the drying lamp 53 works, the lower workpiece 44 is baked, and in the baking process, the hydraulic rod 55 can pull the flat platen 51 up and down after working so as to adjust the baking distance between the drying lamp 53 and the workpiece 44, so that a better drying effect is achieved;

the workpiece 44 is primarily dried by the drying lamp 53 before being clamped, the shaping of the paint surface on the surface of the workpiece 44 can be quickened, the condition that the paint surface is deformed due to direct clamping is avoided, when the workpiece 44 is primarily moved by one end distance, the motor 482 stops working, then the PLC controller 484 controls the two second electric telescopic rods 48 to synchronously work, at the moment, the second electric telescopic rods 48 push the connecting plates 49 to the middle, the connecting plates 49 drive the telescopic rotating rods 42 to stretch, after the clamping plates 43 at one end of the two telescopic rotating rods 42 clamp the workpiece 44, the PLC controller 484 controls the first electric telescopic rods 45 to downwards pull the sleeve 47, at the moment, the sleeve 47 drives the placing plates 46 to downwards move, and a space is reserved for the rotation of the workpiece 44;

after the placing plate 46 moves downwards, the motor 482 continues to work, and as the moving plate 3 moves, the second gear 496 outside the telescopic rotating rod 42 is meshed with the second rack 495, so that the second gear 496 rotates and drives the telescopic rotating rod 42 to rotate at this time, the telescopic rotating rod 42 drives the clamping plate 43 to rotate, and the clamped workpiece 44 rotates along with the clamping plate 43 to uniformly bake different surfaces of the workpiece 44;

when the heating wire 54 is electrified to generate heat, the fan 56 is operated to suck external air, hot air is formed after the air passes through the heating wire 54, after the moving plate 3 moves to the bottom of the heating wire 54, the hot air blows to the surface of the workpiece 44 to further dry the workpiece 44, then when the first gear 493 moves to be meshed with the second rack 495, firstly, the motor 482 stops working, the similar steps are carried out, the placing plate 46 is controlled to move upwards, then the clamping plate 43 gives up clamping of the workpiece 44, the workpiece 44 falls on the placing plate 46, then the placing plate 46 moves downwards, the moving plate 3 continues to move after the first gear 493 and the first rack 492 are caused to be at the same height, the first gear 493 is meshed with the first rack 492, then the first gear 493 rotates and drives the sleeve 47 to rotate, the first gear 493 is separated from the first rack 492 after the sleeve 47 rotates ten degrees, the motor 482 stops working, the similar steps are repeated, the workpiece 44 after rotation is clamped by the clamping plate 43, and the surface contacted with the clamping plate 43 before and exposed to the outside for drying in the process that the moving plate 3 continues to move;

the workpiece 44 sequentially passes through the light drying and the heating wire 54 drying and then reaches the outlet at one end of the shell 2, so that the workpiece 44 can be taken down, and the principle can be known that each surface outside the workpiece 44 can be effectively baked in the drying process, so that the drying quality is ensured, and the situation that the placing surface of the workpiece 44 cannot be effectively baked and the drying quality cannot be ensured when the workpiece 44 is heated is effectively avoided.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a progressive stoving tunnel of coating line, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a shell (2), the top of the base (1) is provided with a movable plate (3), the top of the movable plate (3) is fixedly connected with a clamping mechanism (4), and the top of the shell (2) is fixedly connected with a drying mechanism (5);

clamping mechanism (4) are including two risers (41), and two equal fixedly connected with in riser (41) top, riser (41) one side is provided with flexible dwang (42), flexible dwang (42) run through riser (41) and rotate with riser (41) and be connected, flexible dwang (42) one end fixedly connected with grip block (43), be provided with work piece (44) between two grip blocks (43), both ends are closely laminated with two grip blocks (43) one side respectively about work piece (44), first electric telescopic handle (45) of movable plate (3) top fixedly connected with, first electric telescopic handle (45) top is provided with places board (46), place board (46) bottom fixedly connected with sleeve (47), first electric telescopic handle (45) top extends into sleeve (47) inside and rotates with sleeve (47) and be connected.

2. A progressive drying tunnel for a paint line according to claim 1, wherein: the utility model discloses a flexible electric telescopic handle, including riser (41) one side fixedly connected with second electric telescopic handle (48), second electric telescopic handle (48) one end fixedly connected with linking board (49), flexible swivelling lever (42) run through linking board (49) and rotate with linking board (49) and be connected.

3. A progressive drying tunnel for a paint line according to claim 1, wherein: fixedly connected with U-shaped plate (491) on casing (2) inner chamber lateral wall, U-shaped plate (491) sets up in placing board (46) bottom, and one of them riser (41) set up in U-shaped plate (491) inboard, U-shaped plate (491) one side fixedly connected with first rack (492), sleeve (47) outside fixedly connected with first gear (493), first rack (492) set up in first gear (493) one side, and first rack (492) and first gear (493) assorted.

4. A progressive drying tunnel for a paint line according to claim 1, wherein: the utility model discloses a motor, including casing (2) inner chamber, casing (2) inner chamber both sides wall is last all fixedly connected with longboard (494), longboard (494) top fixedly connected with second rack (495), two outside all fixedly connected with second gear (496) of flexible dwang (42), two second gear (496) set up respectively at two second rack (495) tops, and two second gear (496) mesh with two second racks (495) respectively.

5. A progressive drying tunnel for a paint line according to claim 1, wherein: the base (1) top fixedly connected with two strip shaped plates (497), two strip shaped plates (497) all set up in movable plate (3) bottom, the spout has been seted up at strip shaped plate (497) top, four pulley (498) of movable plate (3) bottom fixedly connected with are rectangle form symmetric distribution in movable plate (3) bottom, and four pulley (498) set up respectively in two spouts inside and with spout phase-match.

6. A progressive drying tunnel for a paint line according to claim 1, wherein: two rectangular plates (499) are fixedly connected to the top of the base (1), the two rectangular plates (499) are respectively arranged on the front side and the rear side of the movable plate (3), a pushing plate (481) is fixedly connected to the bottom of the movable plate (3), a motor (482) is fixedly connected to the front side of one rectangular plate (499), a threaded rod (483) is fixedly connected to the motor (482) through an output shaft, the threaded rod (483) penetrates one rectangular plate (499) and is respectively connected with the two rectangular plates (499) in a rotating mode, and the threaded rod (483) penetrates the pushing plate (481) and is connected with the pushing plate (481) through threads.

7. A progressive drying tunnel for a paint line according to claim 1, wherein: a PLC controller (484) is fixedly connected to one side wall of the inner cavity of the shell (2), and the PLC controller (484) is electrically connected with the motor (482), the first electric telescopic rod (45) and the second electric telescopic rod (48) respectively.

8. A progressive drying tunnel for a paint line according to claim 1, wherein: the drying mechanism (5) comprises a platform plate (51) and a frame plate (52), movable grooves are formed in the left side wall and the right side wall of the inner cavity of the shell (2), the left side and the right side of the platform plate (51) respectively extend into the two movable grooves and are matched with the movable grooves, the frame plate (52) is fixedly connected inside the shell (2), a drying lamp (53) is fixedly connected to the bottom of the platform plate (51), and a heating wire (54) is fixedly connected to the inner side of the frame plate (52).

9. A progressive drying tunnel for a paint line according to claim 8, wherein: the utility model discloses a heating wire, including landing board (51), hydraulic stem (55) is connected with in landing board (51) top fixedly connected with, hydraulic stem (55) top and casing (2) inner chamber top fixed connection, casing (2) top fixedly connected with fan (56), fan (56) set up in heater strip (54) top.

10. A progressive drying tunnel for a paint line according to claim 1, wherein: door curtains (57) are fixedly connected to the front side and the rear side of the shell (2), and the bottoms of the door curtains (57) are contacted with the top of the base (1).