Turnover type exposure machine

Abstract

The utility model discloses a turnover type exposure machine. Comprising a box body, an opening is formed in the front side of the box body, a clamping plate assembly used for sealing the opening is arranged at the opening, the clamping plate assembly is rotationally connected with the box body, a clamping plate adjusting mechanism used for adjusting the rotating angle of the clamping plate assembly is arranged in the box body, and the clamping plate assembly comprises a locking module, a front clamping plate and a rear clamping plate; the top of the front clamping plate is hinged to the rear clamping plate through a first connecting structure, the locking module is used for locking / unlocking the front clamping plate and the rear clamping plate, and the front clamping plate and the rear clamping plate are closed to define a closed containing cavity used for containing a printing plate or other objects to be exposed. An exposure working face is arranged at the position, corresponding to the containing cavity, of the rear clamping plate, a plurality of air exhaust hole sets for communicating the containing cavity with the outside are formed in the front clamping plate, and an exposure light source is arranged in the box body. According to the utility model, the exposure precision can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to exposure machine technical field especially relates to a turnover exposure machine. BACKGROUND

[0002] The prior art printing plate exposure technology adopts scanning light source exposure, which is a technology that exposes the exposed object on the printing plate by a movable exposure light source on the exposure surface. Because the exposure light source is attached to the exposure surface, the exposure surface is high in temperature. Since the exposed printing plate needs to be attached to the exposure surface during the exposure process, the printing plate will also be heated with the exposure surface. Since the scanning light source exposure process does not expose the entire printing plate at the same time, the exposed printing plate and the exposure surface will be non-uniformly expanded and contracted in a short time, which will affect the exposure accuracy of the image. SUMMARY

[0003] The utility model discloses in order to solve above-mentioned technical problem, provides a turnover exposure machine, can promote exposure accuracy.

[0004] In order to solve the above problems, the utility model adopts the following technical scheme to realize:

[0005] The utility model discloses a turnover exposure machine, including the box, the box front side is equipped with the opening, the opening is equipped with the clamping plate subassembly for sealing the opening, the clamping plate subassembly is connected with the rotation of the box, be equipped with the clamping plate adjusting mechanism for adjusting the rotation angle of clamping plate subassembly in the box, clamping plate subassembly includes locking module, front clamping plate and rear clamping plate, the top of front clamping plate is hinged with rear clamping plate through first connecting structure, the locking module is used for locking / unlocking to front clamping plate and rear clamping plate, the front clamping plate is closed with rear clamping plate and encloses the containing cavity for containing printing plate or other exposed object to be exposed, rear clamping plate is equipped with exposure work surface in the position corresponding containing cavity, be equipped with a plurality of exhaust hole groups that containing cavity is connected with outside on the front clamping plate, be equipped with exposure light source in the box.

[0006] In the present scheme, the printing plate or other object to be exposed is placed in the accommodating cavity and clamped by the clamp on the rear clamping plate, and then the front clamping plate and the rear clamping plate are closed, the locking module locks the front clamping plate and the rear clamping plate, the external air extractor passes through the air extraction hole to first extract half vacuum in the accommodating cavity, so that the printing plate or other object to be exposed is tightly attached to the clamping plate assembly to avoid displacement of the printing plate or other object to be exposed, and then the clamping plate assembly is rotated to a horizontal state, and the external air extractor passes through the air extraction hole to extract vacuum in the accommodating cavity. After vacuum extraction, the clamping plate assembly remains in a horizontal state for T seconds and then rotates to an exposure position. At this time, the clamping plate assembly seals the opening, facilitating the overall exposure of the printing plate or other object to be exposed by the exposure light source, avoiding partial exposure of the printing plate or other object to be exposed, and improving the exposure accuracy.

[0007] As a preferred, the rear clamping plate front side top left and right sides are symmetrically provided with grooves, the grooves are arranged in a downward direction, the grooves are provided with telescopic rods, the front clamping plate rear side is provided with connecting blocks corresponding to the groove positions, the connecting blocks extend into the corresponding grooves on the rear side and are located below the telescopic rods, the telescopic rods are rotationally connected with the connecting blocks, and the telescopic rods are rotationally connected with the grooves.

[0008] As a preferred, the air extraction hole group is symmetrically arranged on the upper and lower ends of the rear side of the front clamping plate, the air extraction hole group includes air extraction structures symmetrically arranged left and right, the air extraction structure includes air extraction holes symmetrically arranged left and right, and the distance between adjacent two air extraction structures is 1 / 2 to 5 / 6 of the length of the accommodating cavity.

[0009] The distance between adjacent two air extraction structures is 1 / 2 to 5 / 6 of the length of the accommodating cavity, which can significantly improve the air extraction performance of the air extraction hole group on the accommodating cavity.

[0010] As a preferred, the locking module includes first locking structures symmetrically arranged left and right, the first locking structure includes an electromagnet and a magnetic seat, the electromagnet is fixedly connected with the front side bottom of the rear clamping plate, and the magnetic seat is fixedly connected with the rear side bottom of the front clamping plate.

[0011] The electromagnet generates magnetism when powered on and the magnetic seat is attracted to complete the locking of the front clamping plate and the rear clamping plate.

[0012] As preferred, the front side of the box is provided with an inclined surface which is inclined from top to bottom and front to back, and the opening is located on the inclined surface; the exposure light source is connected with the box through an adjusting mechanism which is inclined from top to bottom and front to back; the adjusting mechanism comprises a rotating frame and connecting pieces symmetrically arranged on the upper and lower sides of the rotating frame; the exposure light source is arranged on the front side of the rotating frame; the connecting piece on the upper side is fixedly connected with the middle part of the rear inner wall of the box, and the connecting piece on the lower side is fixedly connected with the middle part of the bottom surface of the box; the rotating frame is symmetrically provided with first rotating shafts on the upper and lower ends thereof; the rotating frame is rotatably connected with the corresponding connecting piece through the corresponding first rotating shaft; the connecting piece is provided with a second locking structure; and the second locking structure is used for locking / unlocking the corresponding side of the connecting piece and the rotating frame.

[0013] As preferred, the second locking structure comprises first circular arc holes which are symmetrically arranged on the connecting piece; the arc centers of the first circular arc holes coincide with the axes of the first rotating shafts; the rotating frame is provided with first adjusting columns which extend into the corresponding first circular arc holes at the positions corresponding to the first circular arc holes; and the first adjusting columns are threadedly connected with first locking nuts.

[0014] As preferred, the rear part of the exposure light source is located in the rotating frame; the exposure light source is connected with the rotating frame through an adjusting structure; the adjusting structure comprises adjusting plates which are symmetrically arranged on the left and right sides of the exposure light source; the adjusting plates are rotatably connected with the corresponding side of the rotating frame through second rotating shafts; the rotating frame is symmetrically provided with circular arc hole groups on the left and right sides thereof; the circular arc hole groups comprise second circular arc holes which are symmetrically arranged on the upper and lower sides; the arc centers of the second circular arc holes coincide with the axes of the second rotating shafts; the adjusting plates are provided with second adjusting columns which extend into the second circular arc holes at the positions corresponding to the second circular arc holes; and the second adjusting columns are threadedly connected with second locking nuts.

[0015] Before exposure, the angle between the exposure light source and the clamping plate assembly needs to be calibrated in advance; according to the current angle of the exposure light source, the second locking nut is loosened to adjust the front and back inclination angle of the exposure light source; then the first locking nut is loosened to adjust the left and right inclination angle of the exposure light source; and the exposure light source is adjusted to the appropriate position; then the second locking nut and the first locking nut are tightened to lock the exposure light source.

[0016] As preferred, a plurality of fans are arranged on the front side of the bottom of the box from left to right; the fans are arranged in a straight line; the front side of the bottom of the box is provided with an air inlet hole group; the air inlet ends of the fans are in communication with the air inlet hole group; the fans are located below the rear clamping plate; the air outlet direction of the fans is vertically upward, and the air outlet is opposite to the bottom of the rear side of the rear clamping plate; a plurality of flow guide grooves are arranged side by side on the top surface of the box from left to right; the flow guide grooves correspond to the fans one by one and are located directly above the corresponding fans; the flow guide grooves are arranged in a front and back direction; the bottom of the rear side of the box is provided with an air outlet; and the rear side of the exposure light source is provided with a heat dissipation cylinder.

[0017] As a preference, the angle between the inclined surface and the horizontal plane is 60° to 85°.

[0018] As a preference, the clamping plate adjusting mechanism comprises drivers symmetrically arranged on the left and right sides in the box body, the bottom of the driver is rotationally connected with the bottom surface in the box body, and the telescopic end of the driver is rotationally connected with a corresponding end of the rear side surface of the rear clamping plate.

[0019] The clamping plate assembly can drive the printing plate or other objects to be exposed to flip, so that the printing plate or other objects to be exposed are exposed as a whole; the first adjusting mechanism can adjust the left and right exposure angles of the exposure light source, and the second adjusting mechanism can adjust the front and rear exposure angles of the exposure light source, so that the exposure is more accurate; and the fan can cool the rear clamping plate during exposure. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the utility model;

[0021] Figure 2 is a structural schematic diagram of the utility model when the front clamping plate is opened;

[0022] Figure 3 is a structural schematic diagram of the exposure light source and the first adjusting mechanism in the utility model;

[0023] Figure 4 is Figure 3 a partial enlarged view of A in the utility model;

[0024] Figure 5 is Figure 3 a partial enlarged view of B in the utility model;

[0025] Figure 6 is a structural schematic diagram of the clamping plate assembly in the utility model;

[0026] Figure 7 is Figure 6 a partial enlarged view of C in the utility model;

[0027] Figure 8 is a structural schematic diagram of the flow guide groove in the utility model;

[0028] Figure 9 is a structural schematic diagram of the fan in the utility model;

[0029] Figure 10 is a structural schematic diagram of the clamping plate assembly in the utility model when the box skin is removed and the clamping plate assembly is rotated to a horizontal state;

[0030] Figure 11 is a structural schematic diagram of the air flow direction in the box body in the utility model.

[0031] In the diagram: 1. Box body, 11. Opening, 12. Sloping surface, 2. Clamping plate assembly, 21. Front clamping plate, 22. Rear clamping plate, 23. Groove, 24. Telescopic rod, 25. Connecting block, 26. Air extraction hole, 27. Electromagnet, 28. Magnetic base, 3. Exposure light source, 31. Rotating frame, 32. Connecting piece, 321. First arc hole, 33. First rotating shaft, 34. First adjusting column, 35. First locking nut, 36. Adjusting plate, 37. Second rotating shaft, 38. Second arc hole, 39. Second adjusting column, 391. Second locking nut, 4. Fan, 5. Air inlet group, 51. Guide groove, 6. Exhaust port, 7. Driver, 8. Heat sink. Detailed Implementation

[0032] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0033] Example: A flip-type exposure machine according to this example, such as Figures 1 to 11 As shown, the device includes a housing 1 with an opening 11 on the front side. A clamping plate assembly 2 for sealing the opening is provided at the opening 11. The clamping plate assembly 2 is rotatably connected to the housing 1. The housing 1 is provided with a clamping plate adjustment mechanism for adjusting the rotation angle of the clamping plate assembly 2. The clamping plate assembly 2 includes a locking module, a front clamping plate 21, and a rear clamping plate 22. The top of the front clamping plate 21 is hinged to the rear clamping plate 22 through a first connecting structure. The locking module is used to lock / unlock the front clamping plate 21 and the rear clamping plate 22. The front clamping plate 21 and the rear clamping plate 22 close to form a closed cavity for accommodating a printing plate or other object to be exposed. The rear clamping plate 22 is provided with an exposure working surface corresponding to the cavity. The front clamping plate 21 is provided with a plurality of air extraction holes that connect the cavity to the outside. An exposure light source 3 is provided inside the housing 1.

[0034] The rear clamping plate 22 has symmetrical grooves 23 on the top left and right sides of the front side. The grooves 23 are arranged vertically. A telescopic rod 24 is provided in the groove 23. A connecting block 25 is provided on the rear side of the front clamping plate 21 at the position corresponding to the groove 23. The rear side of the connecting block 25 extends into the corresponding groove 23 and is located below the telescopic rod 24. The telescopic end of the telescopic rod 24 is rotatably connected to the connecting block 25, and the top of the telescopic rod 24 is rotatably connected to the groove 23.

[0035] The air extraction hole group is symmetrically arranged at the upper and lower ends of the rear side of the front clamping plate 21. The air extraction hole group includes air extraction structures arranged symmetrically on the left and right. The air extraction structure includes air extraction holes 26 arranged symmetrically on the left and right. The distance between two adjacent air extraction structures is 1 / 2 to 5 / 6 of the length of the receiving cavity.

[0036] The locking module comprises first locking structures arranged symmetrically left and right, and the first locking structure comprises an electromagnet 27 and a magnetic seat 28, the electromagnet 27 is fixedly connected to the bottom of the front side of the rear clamping plate 22, and the magnetic seat 28 is fixedly connected to the bottom of the rear side of the front clamping plate 21.

[0037] The front side of the box body 1 is provided with an inclined surface 12, the inclined surface 12 is inclined from top to bottom and forward, the opening 11 is located on the inclined surface 12, the exposure light source 3 is connected to the box body 1 through an adjusting mechanism, the adjusting mechanism is inclined from top to bottom and forward, the adjusting mechanism comprises a rotating frame 31 and connecting pieces 32 arranged symmetrically on the upper and lower sides of the rotating frame 31, the exposure light source 3 is arranged on the front side of the rotating frame 31, the connecting piece 32 on the upper side is fixedly connected to the middle of the inner rear side wall of the box body 1, the connecting piece 32 on the lower side is fixedly connected to the middle of the inner bottom surface of the box body 1, the rotating frame 31 is symmetrically provided with first rotating shafts 33 on the upper and lower ends, the rotating frame 31 is rotationally connected to the corresponding connecting piece 32 through the corresponding first rotating shaft 33, and the connecting piece 32 is provided with a second locking structure.

[0038] The second locking structure comprises first circular arc holes 321 arranged symmetrically left and right on the connecting piece 32, the arc centers of the first circular arc holes 321 coincide with the axes of the first rotating shafts 33, the rotating frame 31 is provided with first adjusting columns 34 extending into the corresponding first circular arc holes 321 at the positions corresponding to the first circular arc holes 321, and the first adjusting columns 34 are threadedly connected with first locking nuts 35.

[0039] The exposure light source 3 is located in the rotating frame 31 at the rear part, the exposure light source 3 is connected to the rotating frame 31 through an adjusting structure, the adjusting structure comprises adjusting plates 36 arranged symmetrically on the left and right sides of the exposure light source 3, the adjusting plates 36 are rotationally connected to the corresponding side of the rotating frame 31 through second rotating shafts 37, the rotating frame 31 is symmetrically provided with circular arc hole groups on the left and right sides, the circular arc hole groups comprise second circular arc holes 38 arranged symmetrically upward and downward, the arc centers of the second circular arc holes 38 coincide with the axes of the second rotating shafts 37, the adjusting plate 36 is provided with second adjusting columns 39 extending into the second circular arc holes 38 at the positions corresponding to the second circular arc holes 38, and the second adjusting columns 39 are threadedly connected with second locking nuts 391.

[0040] Three fans 4 are arranged in a line from left to right on the front side of the inner bottom of the box body 1, the front side of the bottom of the box body 1 is provided with an air inlet hole group 5, the air inlet ends of the fans are communicated with the air inlet hole group 5, the fans 4 are located below the rear clamping plate 22, the air outlet direction of the fans 4 is vertically upward, and the air outlet is opposite to the bottom of the rear side of the rear clamping plate 22, three flow guide grooves 51 are arranged side by side from left to right on the top surface of the box body 1, the flow guide grooves 51 correspond to the fans 4 one by one and are located directly above the corresponding fans 4, the flow guide grooves 51 are arranged in a front-rear direction, the bottom of the rear side of the box body 1 is provided with an air outlet 6, and the rear side of the exposure light source 3 is provided with a heat dissipation cylinder 8.

[0041] The angle between the inclined surface 12 and the horizontal plane is 60° to 85°.

[0042] The clamping plate adjusting mechanism comprises two drive devices 7 symmetrically arranged on the left and right sides in the box 1, the bottom of the drive device 7 is rotationally connected with the inner bottom surface of the box 1, and the telescopic end of the drive device 7 is rotationally connected with a corresponding end on the rear side of the rear clamping plate 22.

[0043] In the present scheme, the angle between the exposure light source and the clamping plate assembly needs to be calibrated in advance before the exposure machine is exposed. According to the current angle of the exposure light source, the second locking nut is loosened to adjust the front and rear inclination angle of the exposure light source. Then the first locking nut is loosened to adjust the left and right inclination angle of the exposure light source. Until the exposure light source is adjusted to the appropriate position, then the second locking nut and the first locking nut are tightened to lock the exposure light source. After the exposure light source is locked, the clamping plate assembly is rotated to the exposure position. At this time, the clamping plate assembly as a whole is in an inclined state. The electromagnet is de-energized, so that the front clamping plate and the rear clamping plate are unlocked. The front clamping plate is turned up to open. The printing plate or other objects to be exposed is placed in the central position of the rear clamping plate. The clamp on the rear clamping plate clamps the printing plate or other objects to be exposed. Then the front clamping plate is turned down to make the front clamping plate and the rear clamping plate adhere to each other. At this time, the electromagnet is energized and attracted by the magnetic suction seat, so that the front clamping plate and the rear clamping plate are locked.

[0044] After the front clamping plate and the rear clamping plate are locked, the external air extractor first draws half vacuum in the containing cavity through the air extraction hole to make the printing plate or other objects to be exposed closely adhere to the clamping plate assembly to avoid displacement of the printing plate or other objects to be exposed. Then the two drive devices drive the clamping plate assembly to rotate to the horizontal state. The external air extractor draws vacuum in the containing cavity through the air extraction hole. After vacuum is drawn, the clamping plate assembly remains in the horizontal state T seconds. Then the two drive devices drive the clamping plate assembly to rotate to the exposure position. At this time, the clamping plate assembly seals the opening. Then the exposure light source exposes the clamping plate assembly to perform exposure processing, so that the printing plate or other objects to be exposed are exposed.

[0045] After the exposure of the printing plate or other objects to be exposed is completed, the electromagnet is de-energized and separated from the magnetic suction seat. The front clamping plate and the rear clamping plate are unlocked and no longer adhere to each other. At this time, the containing cavity is depressurized due to the gap between the front clamping plate and the rear clamping plate. The front clamping plate is turned up to take out the exposed printing plate or other objects to be exposed.

[0046] During exposure, the fan continuously draws air and blows the extracted cold air vertically upward, so that the blown cold air is directed to the bottom of the rear side of the rear clamping plate during exposure. The heat on the exposure working surface of the rear clamping plate is removed and moves upward to the corresponding flow guide groove through the rear side of the rear clamping plate. The heat moves from the front side of the flow guide groove and is discharged through the air outlet.

Claims

1. An inversion exposure machine characterized by comprising: The utility model provides a kind of exposure device, including box (1), the opening (11) of the box (1) front side is equipped with the clamping plate assembly (2) for sealing opening, the clamping plate assembly (2) is rotatably connected with box (1), the box (1) is equipped with the clamping plate adjusting mechanism for adjusting the rotation angle of clamping plate assembly (2), the clamping plate assembly (2) includes locking module, front clamping plate (21) and rear clamping plate (22), the top of the front clamping plate (21) is hinged with rear clamping plate (22) by first connecting structure, the locking module is used to lock / unlock front clamping plate (21) and rear clamping plate (22), the front clamping plate (21) and rear clamping plate (22) are closed to form enclosed containing cavity for containing printing plate or other objects to be exposed, the rear clamping plate (22) is equipped with exposure working surface corresponding containing cavity position, the front clamping plate (21) is equipped with a plurality of air extraction hole groups that are communicated with the outside, and the box (1) is equipped with exposure light source (3).

2. The flip exposure machine of claim 1, wherein: The rear clamping plate (22) is symmetrically provided with a groove (23) on the top of the front side, and the groove (23) is arranged in a downward direction, the groove (23) is provided with a telescopic rod (24), the front clamping plate (21) is provided with a connecting block (25) corresponding to the position of the groove (23) on the rear side, the connecting block (25) extends into the corresponding groove (23) on the rear side and is located below the telescopic rod (24), the telescopic end of the telescopic rod (24) is rotatably connected with the connecting block (25), and the top of the telescopic rod (24) is rotatably connected with the groove (23).

3. The flip exposure machine of claim 2, wherein: The air extraction hole groups are symmetrically arranged on the rear side of the front clamping plate (21) at the upper and lower ends, the air extraction hole groups include air extraction structures symmetrically arranged on the left and right sides, the air extraction structures include air extraction holes (26) symmetrically arranged on the left and right sides, and the distance between adjacent two air extraction structures is 1 / 2 to 5 / 6 of the length of the containing cavity.

4. The flip exposure machine of claim 3, wherein: The locking module includes first locking structures symmetrically arranged on the left and right sides, the first locking structures include electromagnets (27) and magnetic seats (28), the electromagnets (27) are fixedly connected with the bottom of the front side of the rear clamping plate (22), and the magnetic seats (28) are fixedly connected with the bottom of the rear side of the front clamping plate (21).

5. The flip exposure machine of claim 4, wherein: The box (1) is provided with an inclined surface (12) on the front side, the inclined surface (12) is inclined from top to bottom and forward, the opening (11) is located on the inclined surface (12), the exposure light source (3) is connected with the box (1) through an adjusting mechanism, the adjusting mechanism is inclined from top to bottom and forward, the adjusting mechanism comprises a rotating frame (31) and connecting pieces (32) symmetrically arranged on the upper and lower sides of the rotating frame (31), the exposure light source (3) is arranged on the front side of the rotating frame (31), the connecting piece (32) on the upper side is fixedly connected with the middle part of the inner rear side wall of the box (1), the connecting piece (32) on the lower side is fixedly connected with the middle part of the inner bottom surface of the box (1), the rotating frame (31) is symmetrically provided with first rotating shafts (33) on the upper and lower ends, the rotating frame (31) is rotatably connected with the corresponding connecting piece (32) through the corresponding first rotating shaft (33), the connecting piece (32) is provided with a second locking structure, and the second locking structure is used for locking / unlocking the corresponding side of the connecting piece (32) and the rotating frame (31).

6. The inversion exposure machine according to claim 5, wherein: The second locking structure comprises first circular arc holes (321) symmetrically arranged on the connecting piece (32), the arc centers of the first circular arc holes (321) coincide with the axes of the first rotating shafts (33), the rotating frame (31) is provided with first adjusting columns (34) extending into the corresponding first circular arc holes (321) at the positions corresponding to the first circular arc holes (321), and the first adjusting columns (34) are threadedly connected with first locking nuts (35).

7. The flip exposure machine of claim 6, wherein: The exposure light source (3) is located in the rotating frame (31) at the rear part, the exposure light source (3) is connected with the rotating frame (31) through an adjusting structure, the adjusting structure comprises adjusting plates (36) symmetrically arranged on the left and right sides of the exposure light source (3), the adjusting plates (36) are rotatably connected with the corresponding side of the rotating frame (31) through second rotating shafts (37), the rotating frame (31) is symmetrically provided with circular arc hole groups on the left and right sides, the circular arc hole groups comprise second circular arc holes (38) symmetrically arranged on the upper and lower sides, the arc centers of the second circular arc holes (38) coincide with the axes of the second rotating shafts (37), the adjusting plates (36) are provided with second adjusting columns (39) extending into the second circular arc holes (38) at the positions corresponding to the second circular arc holes (38), and the second adjusting columns (39) are threadedly connected with second locking nuts (391).

8. The inversion exposure machine according to claim 7, wherein: A plurality of fans (4) are arranged on the front side of the inner bottom of the box (1) from left to right, the fans (4) are arranged in a straight line, an air inlet hole group (5) is arranged on the front bottom of the box (1), the air inlet ends of the fans are communicated with the air inlet hole group (5), the fans (4) are located below the rear clamping plate (22), the air outlet direction of the fans (4) is vertically upward, and the air outlet is opposite to the bottom of the rear side of the rear clamping plate (22), a plurality of guide grooves (51) are arranged on the inner top surface of the box (1) from left to right, the guide grooves (51) correspond to the fans (4) one by one and are located directly above the corresponding fans (4), the guide grooves (51) are arranged in a front-rear direction, an air outlet (6) is arranged on the bottom of the rear side of the box (1), and a heat dissipation cylinder (8) is arranged on the rear side of the exposure light source (3).

9. The flip exposure machine of claim 8, wherein: The angle between the inclined surface (12) and the horizontal plane is 60-85°.

10. The flip exposure machine of claim 1, wherein: The clamping plate adjusting mechanism comprises a driver (7) symmetrically arranged on the left and right sides in the box (1), the bottom of the driver (7) is rotationally connected with the inner bottom surface of the box (1), and the telescopic end of the driver (7) is rotationally connected with the corresponding end of the rear side of the rear clamping plate (22).

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