CN114993013A

CN114993013A - Drying equipment for test paper processing

Info

Publication number: CN114993013A
Application number: CN202210668891.2A
Authority: CN
Inventors: 李晓光
Original assignee: Hangzhou Immuno Biotech Co ltd
Current assignee: Hangzhou Immuno Biotech Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-02

Abstract

The invention relates to the technical field of test paper processing, in particular to drying equipment for test paper processing, which comprises a drying box, a box door, test paper, a first U-shaped placing frame and a second U-shaped placing frame, wherein the first U-shaped placing frame and the second U-shaped placing frame are respectively arranged on two sides of the inner wall of the drying box; leveling mechanisms are arranged above and below the test paper; the test paper drying device can drive the test paper and the second U-shaped placing rack to rotate, and can realize the purpose that the test paper is dried while being turned over, so that the test paper is dried more uniformly, and the drying effect is improved.

Description

Drying equipment for test paper processing

Technical Field

The invention relates to the technical field of test paper processing, in particular to drying equipment for test paper processing.

Background

The test paper needs to be subjected to steps of spraying, drying, cutting and the like in the processing process, the test paper is generally subjected to spraying and drying operation in a whole piece before cutting, at present, when the test paper is dried, the whole piece of wet test paper is mostly directly placed on a placing plate in a drying box, one surface of the test paper, which is in contact with the placing plate, cannot be effectively dried, in addition, the surface of the test paper is easy to wrinkle in the drying and dehydrating processes, the quality of the test paper after drying is influenced, and therefore improvement is needed.

Disclosure of Invention

The invention aims to provide a drying device for processing test paper, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a drying device for test paper processing comprises a drying box, a box door, test paper, a first U-shaped placing frame and a second U-shaped placing frame, wherein the first U-shaped placing frame and the second U-shaped placing frame are respectively arranged on two sides of the inner wall of the drying box;

the test paper leveling mechanism comprises a scraper and a driving mechanism for driving the scraper to move in a reciprocating manner along the length direction of the test paper, the driving mechanism comprises a reciprocating lead screw which is rotatably arranged on a first U-shaped placing frame and a second U-shaped placing frame, one end of the reciprocating lead screw, which is close to a first rotating shaft, is provided with a second gear, and the test paper leveling mechanism also comprises a first gear which is meshed with the second gear, and the first gear is fixedly connected to the inner wall of the drying box;

still include pressure release subassembly and be used for driving first pivot pivoted drive assembly, drive assembly work when pressure release subassembly carries out the pressure release.

Preferably, the fixing mechanism comprises a threaded rod and a pressure pad, threaded holes are formed in the tops of the first U-shaped placing frame and the second U-shaped placing frame, the threaded holes are connected with the threaded rod in an internal thread mode, and the pressure pad is fixedly connected to the bottom end of the threaded rod.

Preferably, still include the regulating plate, the storage tank has been seted up to the bottom of regulating plate, the scraper blade slides and locates in the storage tank, and the guide slot with the storage tank intercommunication is all seted up to the both sides outer wall of regulating plate, still includes the screw thread post, and the middle part swing joint of screw thread post is in the guide slot, the one end of screw thread post extend to in the storage tank with scraper blade fixed connection, the other end threaded connection of screw thread post has the nut.

Preferably, actuating mechanism still includes guide arm and two curb plates, and two curb plates are fixed connection respectively on first U type rack and second U type rack, and reciprocating screw rotates to be installed on two curb plates, and guide arm fixed connection is between two curb plates, and guide arm and reciprocating screw parallel arrangement, regulating plate and reciprocating screw threaded connection, and regulating plate and guide arm sliding connection.

Preferably, the driving assembly comprises a worm wheel, a worm, a third gear and a rack, the other end of the first rotating shaft extends to the outside of the drying box, the worm wheel is installed at the other end of the first rotating shaft, the worm is rotatably installed on the outer wall of the drying box, the worm is meshed with the worm wheel, the third gear is installed at the top end of the worm, the rack is slidably connected to the top of the drying box, and the rack is meshed with the third gear.

Preferably, the pressure release assembly comprises an aligning cylinder, an exhaust pipe, a connecting rod, a sealing piston and a reset spring, the aligning cylinder is fixedly connected to the top of the drying box and communicated with the inside of the drying box, one end of the exhaust pipe is fixedly connected to one side of the aligning cylinder and communicated with the inside of the aligning cylinder, the top of the aligning cylinder is sealed, the sealing piston is slidably arranged in the exhaust pipe, one end of the connecting rod is fixedly connected with the sealing piston, the other end of the connecting rod extends out of the exhaust pipe, a moving block is fixedly connected to the other end of the connecting rod, the reset spring is sleeved on the connecting rod, two ends of the reset spring are respectively fixedly connected with the moving block and the exhaust pipe, a plurality of exhaust holes are formed in the exhaust pipe, and one end of the rack far away from the third gear is fixedly connected with the moving block.

Preferably, the top of the drying box is provided with a sliding groove along the movement direction of the rack, the bottom of the moving block is fixedly connected with a sliding block, and the sliding block is slidably connected in the sliding groove.

Preferably, a heating cavity is formed in one side of the drying box, an electric heating rod is installed in the heating cavity, a mounting hole is formed in the top of the inner wall of the heating cavity, and a fan is installed in the mounting hole.

Preferably, a dust screen is installed at an opening of the heating cavity.

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

firstly, arrange the both sides of test paper in respectively on first U type rack and the second U type rack, can make the upper and lower two sides of test paper can both obtain drying, compare in directly putting whole piece moist test paper on the thing board of putting in the stoving case, the test paper can not obtain drying with the one side of putting the thing board contact, has further improved the stoving effect.

Secondly, first pivot and first U type rack rotate at the stoving in-process, and then can drive test paper and second U type rack and rotate, can realize the test paper and overturn while drying for the test paper is dried more evenly, has improved the stoving effect.

And when the scraper plate moves back and forth along the length direction of the test paper, the surface of the test paper can be scraped, so that the test paper is effectively prevented from wrinkling during drying and dehydration, and the quality of the dried test paper is improved.

Thirdly, the pressure relief assembly is arranged, so that automatic pressure relief of the drying box can be realized, the phenomenon that air pressure in the drying box is too large is avoided, and the safety is good.

Finally, the pressure relief assembly can drive the drive assembly to work at the in-process of pressure relief to the first pivot of drive rotates, and then drives the test paper and rotate the upset, drives the scraper blade simultaneously and strickles off the test paper surface at the test paper upset rotation in-process, avoids the test paper corrugate, and the test paper is whole by pneumatic drive at upset and power at level, need not additionally provide the power supply, and energy-conservation nature is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is one of the schematic internal structural views of the drying box of the present invention.

Fig. 3 is a second schematic view of the internal structure of the drying box of the present invention.

Fig. 4 is a schematic sectional view of the drying box according to the present invention.

Fig. 5 is a schematic structural view of a first U-shaped placing frame, a second U-shaped placing frame and a leveling mechanism in the invention.

Fig. 6 is a schematic structural view of a first U-shaped placing frame and a second U-shaped placing frame in the present invention.

FIG. 7 is a schematic view showing the assembly of the adjusting plate and the squeegee according to the present invention.

Fig. 8 is a schematic structural view of a pressure relief assembly according to the present invention.

The meaning of the reference symbols in the figures is: 1. drying box; 10. a chute; 11. a heating cavity; 12. a dust screen; 13. a box door; 2. test paper; 30. a first U-shaped placing frame; 31. a second U-shaped placing rack; 32. a first rotating shaft; 33. a second rotating shaft; 34. a threaded hole; 35. a threaded rod; 36. a pressure pad; 40. an adjusting plate; 400. a containing groove; 401. a guide groove; 41. a squeegee; 42. a threaded post; 43. a nut; 50. a side plate; 51. a reciprocating screw; 52. a guide bar; 60. a first gear; 61. a second gear; 70. a worm gear; 71. a worm; 72. a third gear; 73. a rack; 740. a collecting cylinder; 741. an exhaust pipe; 742. an exhaust hole; 75. a connecting rod; 76. a sealing piston; 77. a return spring; 78. a moving block; 780. a slider; 79. mounting a plate; 8. an electric heating rod; 9. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The invention provides a technical scheme that:

the drying equipment for the test paper processing is shown in figures 1-4 and comprises a drying box 1, a box door 13 and test paper 2, wherein the front side of the drying box 1 is open, the box door 13 is hinged to one side of the opening of the drying box 1, and one side of the opening of the drying box 1 extends towards the rear side to form a drying chamber; a heating cavity 11 is formed in the bottom of one side of the drying box 1, an electric heating rod 8 is installed in the heating cavity 11, an installation hole is formed in the top of the inner wall of the heating cavity 11 and communicated with the drying chamber and the heating cavity 11, and a fan 9 is fixedly installed in the installation hole through a bolt; the electric bar 8 can heat the air in the heating chamber 11, and the work of start fan 9 can be with the steam suction drying chamber in the heating chamber 11, can heat the drying to test paper 2.

In order to prevent dust from entering the heating cavity 11, a dust screen 12 is installed at the opening of the heating cavity 11, the dust screen 12 can filter dust in the air, and can prevent dust from entering the heating cavity 11, thereby preventing dust from entering the drying chamber.

Referring to fig. 5 to 6, the test paper drying device further includes a first U-shaped placing frame 30 and a second U-shaped placing frame 31 respectively disposed on two sides of the inner wall of the drying box 1, two sides of the test paper 2 are respectively disposed on the first U-shaped placing frame 30 and the second U-shaped placing frame 31, fixing mechanisms for fixing the test paper are respectively disposed on the first U-shaped placing frame 30 and the second U-shaped placing frame 31, when the test paper is placed, two sides of the test paper are respectively disposed on the first U-shaped placing frame 30 and the second U-shaped placing frame 31, and then the test paper is fixed on the first U-shaped placing frame 30 and the second U-shaped placing frame 31 through the fixing mechanisms.

Referring to fig. 6, the fixing mechanism includes a threaded rod 35 and a pressure pad 36, threaded holes 34 are formed in the tops of the first U-shaped holder 30 and the second U-shaped holder 31, the threaded rod 35 is connected to each threaded hole 34, and the pressure pad 36 is fixedly connected to the bottom end of the threaded rod 35 (i.e., the pressure pad 36 is located in the first U-shaped holder 30 or the second U-shaped holder 31), so that after two sides of the test paper are respectively placed on the first U-shaped holder 30 and the second U-shaped holder 31, the threaded rod 35 is rotated to drive the pressure pad 36 to move to the position of the test paper, and the test paper can be pressed and fixed; to facilitate turning of the threaded rod 35, a knob may be fixedly attached to an end of the threaded rod 35 remote from the pressure pad 36.

In the invention, a second U-shaped placing frame 31 is rotatably arranged on one side of the inner wall of a drying box 1, specifically, one side of the second U-shaped placing frame 31, which is far away from a first U-shaped placing frame 30, is fixedly connected with a second rotating shaft 33, and one end of the second rotating shaft 33, which is far away from the second U-shaped placing frame 31, is rotatably arranged on the inner wall of the drying box 1; still include first pivot 32, the middle part of first pivot 32 is rotated and is installed in the one side that second U type rack 31 was kept away from to stoving case 1, the one end and the first U type rack 30 fixed connection of first pivot 32, and the other end of first pivot 32 extends to stoving case 1 outside.

The pressure relief device further comprises a pressure relief component and a driving component for driving the first rotating shaft 32 to rotate, and the driving component is driven to work when the pressure relief component relieves pressure; because fan 9 is continuous to drying chamber indoor blowing, can increase the atmospheric pressure in the drying chamber, when the atmospheric pressure was too big in the drying chamber, need use the pressure release subassembly to carry out the pressure release.

Referring to fig. 1 and 8, the pressure relief assembly includes an aligning cylinder 740, an exhaust pipe 741, a connecting rod 75, a sealing piston 76 and a return spring 77, the aligning cylinder 740 is fixedly connected to the top of the drying box 1 and is communicated with the drying chamber inside the drying box 1, one end of the exhaust pipe 741 is fixedly connected to one side of the aligning cylinder 740 and is communicated with the inside of the aligning cylinder 740, the top of the aligning cylinder 740 is closed, the sealing piston 76 is slidably disposed in the exhaust pipe 741, one end of the connecting rod 75 is fixedly connected to the sealing piston 76, the other end of the connecting rod 75 extends out of the exhaust pipe 741, the other end of the connecting rod 75 is fixedly connected to a moving block 78, the return spring 77 is sleeved on the connecting rod 75, two ends of the return spring 77 are respectively fixedly connected to the moving block 78 and the exhaust pipe 741, a plurality of exhaust holes 742 are disposed on the exhaust pipe 741, and the exhaust holes 742 are close to one side of the return spring 77.

When the air pressure in the drying box 1 reaches a set value, the air pressure enters the exhaust pipe 741 from the aligning cylinder 740, the sealing piston 76 is pushed to move away from the aligning cylinder 740, so that the connecting rod 75 and the moving block 78 are driven to move away from the aligning cylinder 740, the return spring 77 is stretched at the same time, along with the increase of the air pressure in the drying box 1, the sealing piston 76 is pushed by the air pressure to move through the exhaust hole 742, at the moment, the pressure can be released through the exhaust hole 742, after the air pressure in the drying box 1 is released for a period of time, the air pressure in the drying box 1 is reduced, the sealing piston 76 is driven to move towards the aligning cylinder 740 to be reset under the action of the return spring 77, and after a period of time, when the air pressure in the drying box 1 reaches the set value again, the above pressure releasing process can be repeated, so that the automatic pressure release of the drying box 1 can be realized, and the excessive air pressure in the drying box 1 is avoided.

The drive assembly includes a worm gear 70, a worm 71, third gear 72 and rack 73, worm wheel 70 is installed on the other end of first pivot 32, worm 71 rotates and installs the outer wall at drying box 1, worm 71 is vertical to be set up, concretely, still include a plurality of mounting panels 79, mounting panel 79 fixed connection is on the outer wall of drying box 1 near worm wheel 70 one side, worm 71 rotates and installs on mounting panel 79, the top of worm 71 is located drying box 1's top, worm 71 meshes with worm wheel 70, third gear 72 installs the top at worm 71, rack 73 sliding connection is at drying box 1's top, rack 73 meshes with third gear 72, rack 73 keeps away from the one end of third gear 72 and movable block 78 fixed connection, concretely, drying box 1's top has seted up spout 10 along rack 73 direction of motion, the bottom fixed connection of movable block 78 has slider 780, slider 780 sliding connection is in spout 10.

When the drying box 1 is in an automatic pressure relief process, when the moving block 78 moves away from the collecting cylinder 740, the rack 73 is pushed to move, the rack 73 is meshed with the third gear 72 to drive the third gear 72 to rotate, so that the worm 71 is driven to rotate, and the worm 71 is meshed with the worm wheel 70 to drive the worm wheel 70 to rotate, so that the first rotating shaft 32 and the first U-shaped placing frame 30 are driven to rotate, the test paper 2 and the second U-shaped placing frame 31 can be driven to rotate, the test paper can be dried while being turned over, the test paper is dried more uniformly, and the drying effect is improved; in addition, the test paper is in the upset in-process, and the atmospheric pressure through stoving case 1 inside provides power, has realized the upset of test paper at the in-process of pressure release, does not need extra power supply, and energy-conserving effect is better, has improved the practicality of device widely.

Compare in direct putting the whole piece moist test paper on the thing board of putting of stoving incasement, the test paper can not obtain drying with the one side of putting the thing board contact, places the both sides of test paper respectively in first U type rack 30 and second U type rack 31 on, can make the upper and lower two sides of test paper can both obtain drying, has further improved the stoving effect.

The exhaust pipe 741, the connecting rod 75, and the rack 73 are all horizontally disposed.

Referring to fig. 5 and 7, leveling mechanisms are respectively disposed above and below the test paper 2, each leveling mechanism includes a scraper 41 and a driving mechanism for driving the scraper 41 to reciprocate along the length direction of the test paper 2, and further includes an adjusting plate 40, a receiving groove 400 is disposed at the bottom of the adjusting plate 40, the scraper 41 is slidably disposed in the receiving groove 400, guide grooves 401 communicated with the receiving groove 400 are disposed on outer walls of both sides of the adjusting plate 40, the guide grooves 401 are disposed along the height direction of the adjusting plate 40, and further includes a threaded post 42, the middle portion of the threaded post 42 is movably connected in the guide grooves 401, one end of the threaded post 42 extends into the receiving groove 400 and is fixedly connected with the scraper 41, a nut 43 is threadedly connected to the other end of the threaded post 42, the nut 43 is unscrewed, the scraper 41 can be adjusted to move up and down, the distance between the scraper 41 and the test paper 2 can be adjusted, so that the bottom of the scraper 41 can better fit the test paper 2 with the test paper 2, and the test paper 2 with different thicknesses can be leveled, the blade 41 can be fixed by tightening the nut 43.

The driving mechanism comprises a reciprocating screw 51 which is rotatably arranged on the first U-shaped placing rack 30 and the second U-shaped placing rack 31, and further comprises a guide rod 52 and two side plates 50, the two side plates 50 are respectively and fixedly connected to the first U-shaped placing rack 30 and the second U-shaped placing rack 31, the reciprocating screw 51 is rotatably arranged on the two side plates 50, the guide rod 52 is fixedly connected between the two side plates 50, two ends of the guide rod 52 are respectively and fixedly connected with the two side plates 50, the guide rod 52 is arranged in parallel with the reciprocating screw 51, the adjusting plate 40 is in threaded connection with the reciprocating screw 51, and the adjusting plate 40 is in sliding connection with the guide rod 52; one end of the reciprocating screw 51 close to the first rotating shaft is provided with a second gear 61 and further comprises a first gear 60 meshed with the second gear 61, and the first gear 60 is fixedly connected to the inner wall of the drying box 1; the center of the first gear 60 is provided with a through hole, and the first rotating shaft passes through the through hole and is not contacted with the first gear 60.

When the first rotating shaft 32 rotates to drive the first U-shaped placing frame 30, and the test paper 2 and the second U-shaped placing frame 31 rotate, the reciprocating lead screw 51 is also driven, the scraper 41 and the second gear 61 rotate around the first rotating shaft 32, the second gear 61 is meshed with the first gear 60 in the process of rotating around the first rotating shaft 32, the second gear 61 travels and rotates along the circumferential direction of the first gear 60, so that the second gear 61 rotates around the center of the second gear, the reciprocating lead screw 51 rotates around the center of the second gear, the adjusting plate 40 can be driven to reciprocate along the length of the reciprocating lead screw 51, the scraper 41 is driven to reciprocate along the length of the reciprocating lead screw 51, the surface of the test paper 2 can be scraped, wrinkles of the test paper 2 during drying and dehydration can be effectively avoided, and the quality of the dried test paper is improved.

It should be noted that the power of the test paper 2 during turning and leveling is driven by air pressure, and no additional power source is needed, so that the energy saving performance is better.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drying equipment for test paper processing, includes stoving case (1), chamber door (13) and test paper (2), its characterized in that: the test paper drying device is characterized by further comprising a first U-shaped placing frame (30) and a second U-shaped placing frame (31) which are respectively arranged on two sides of the inner wall of the drying box (1), wherein two sides of test paper (2) are respectively arranged on the first U-shaped placing frame (30) and the second U-shaped placing frame (31), fixing mechanisms used for fixing the test paper are respectively arranged on the first U-shaped placing frame (30) and the second U-shaped placing frame (31), the second U-shaped placing frame (31) is rotatably arranged on one side of the inner wall of the drying box (1), the test paper drying device further comprises a first rotating shaft (32), the middle of the first rotating shaft (32) is rotatably arranged on the drying box (1), and one end of the first rotating shaft (32) is fixedly connected with the first U-shaped placing frame (30);

the test paper drying device is characterized in that leveling mechanisms are arranged above and below the test paper (2), each leveling mechanism comprises a scraper blade (41) and a driving mechanism for driving the scraper blade (41) to reciprocate along the length direction of the test paper (2), each driving mechanism comprises a reciprocating lead screw (51) rotatably mounted on a first U-shaped placing frame (30) and a second U-shaped placing frame (31), a second gear (61) is mounted at one end, close to a first rotating shaft, of each reciprocating lead screw (51), a first gear (60) meshed with the second gear (61) is further included, and the first gear (60) is fixedly connected to the inner wall of the drying box (1);

the pressure relief device further comprises a pressure relief assembly and a driving assembly used for driving the first rotating shaft (32) to rotate, and the pressure relief assembly drives the driving assembly to work when pressure is relieved.

2. The drying apparatus for test paper processing according to claim 1, wherein: the fixing mechanism comprises a threaded rod (35) and a pressure pad (36), threaded holes (34) are formed in the tops of the first U-shaped placing frame (30) and the second U-shaped placing frame (31), the threaded holes (34) are connected with the threaded rod (35) in an internal thread mode, and the pressure pad (36) is fixedly connected to the bottom end of the threaded rod (35).

3. The test paper processing drying apparatus according to claim 1, wherein: still include regulating plate (40), storage tank (400) have been seted up to the bottom of regulating plate (40), scraper blade (41) slide locate in storage tank (400), guide slot (401) with storage tank (400) intercommunication are all seted up to the both sides outer wall of regulating plate (40), still include screw thread post (42), the middle part swing joint of screw thread post (42) is in guide slot (401), the one end of screw thread post (42) extend to in storage tank (400) with scraper blade (41) fixed connection, the other end threaded connection of screw thread post (42) has nut (43).

4. The drying apparatus for test paper processing according to claim 3, wherein: the driving mechanism further comprises a guide rod (52) and two side plates (50), the two side plates (50) are respectively and fixedly connected to the first U-shaped placing frame (30) and the second U-shaped placing frame (31), a reciprocating lead screw (51) is rotatably installed on the two side plates (50), the guide rod (52) is fixedly connected between the two side plates (50), the guide rod (52) and the reciprocating lead screw (51) are arranged in parallel, an adjusting plate (40) is in threaded connection with the reciprocating lead screw (51), and the adjusting plate (40) is in sliding connection with the guide rod (52).

5. The drying apparatus for test paper processing according to claim 1, wherein: the driving assembly comprises a worm wheel (70), a worm (71), a third gear (72) and a rack (73), the other end of the first rotating shaft (32) extends to the outside of the drying box (1), the worm wheel (70) is installed at the other end of the first rotating shaft (32), the worm (71) is rotatably installed on the outer wall of the drying box (1), the worm (71) is meshed with the worm wheel (70), the third gear (72) is installed at the top end of the worm (71), the rack (73) is slidably connected to the top of the drying box (1), and the rack (73) is meshed with the third gear (72).

6. The drying apparatus for test paper processing according to claim 5, wherein: the pressure relief assembly comprises an aligning cylinder (740), an exhaust pipe (741), a connecting rod (75), a sealing piston (76) and a return spring (77), the aligning cylinder (740) is fixedly connected to the top of the drying box (1) and communicated with the inside of the drying box (1), one end of the exhaust pipe (741) is fixedly connected to one side of the aligning cylinder (740) and communicated with the inside of the aligning cylinder (740), the top of the aligning cylinder (740) is closed, the sealing piston (76) is slidably arranged in the exhaust pipe (741), one end of the connecting rod (75) is fixedly connected with the sealing piston (76), the other end of the connecting rod (75) extends out of the exhaust pipe (741), a moving block (78) is fixedly connected to the other end of the connecting rod (75), the return spring (77) is sleeved on the connecting rod (75), two ends of the return spring (77) are respectively fixedly connected with the moving block (78) and the exhaust pipe (741), a plurality of exhaust holes (742) are formed in the exhaust pipe (741), and one end, far away from the third gear (72), of the rack (73) is fixedly connected with the moving block (78).

7. The drying apparatus for test paper processing according to claim 6, wherein: the top of the drying box (1) is provided with a sliding groove (10) along the movement direction of the rack (73), the bottom of the moving block (78) is fixedly connected with a sliding block (780), and the sliding block (780) is connected in the sliding groove (10) in a sliding mode.

8. The test paper processing drying apparatus according to claim 1, wherein: heating chamber (11) have been seted up to one side of stoving case (1), install electric rod (8) in heating chamber (11), the mounting hole has been seted up at the inner wall top in heating chamber (11), installs fan (9) in the mounting hole.

9. The drying apparatus for test paper processing according to claim 8, wherein: and a dustproof net (12) is arranged at the opening of the heating cavity (11).