Turnover type exposure machine and working method thereof

Abstract

The invention discloses a turnover exposure machine and a working method thereof. 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. The exposure precision can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of exposure machines, and in particular to a flip-type exposure machine and its working method. Background Art

[0002] In existing plate exposure technologies, scanning light source exposure is mostly used. Scanning light source exposure is a technology in which an exposure light source that can move on the exposure surface is used to perform exposure processing on the exposed object on the plate. Since the exposure light source has to be close to the exposure working surface, the temperature of the exposure working surface is high. And because the plate to be exposed needs to be closely attached to the exposure working surface during the exposure process, the plate will also heat up as the exposure working surface warms up. Since the exposure process of the scanning light source does not expose the entire plate at the same time, it will inevitably cause non-uniform thermal expansion and contraction of the exposed plate and the exposure working surface in a short time, thereby affecting the exposure accuracy of the image. Summary of the Invention

[0003] In order to solve the above technical problems, the present invention provides a flip-type exposure machine and its working method, which can improve the exposure accuracy.

[0004] In order to solve the above problems, the present invention is implemented by adopting the following technical solutions:

[0005] A flip-type exposure machine of the present invention includes a box body. An opening is provided on the front side of the box body. A clamping plate assembly for sealing the opening is provided at the opening. The clamping plate assembly is rotatably connected to the box body. A clamping plate adjusting mechanism for adjusting the rotation angle of the clamping plate assembly is provided inside the box body. The clamping plate assembly includes 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 connection structure. The locking module is used to lock / unlock the front clamping plate and the rear clamping plate. The front clamping plate and the rear clamping plate are closed to form a closed accommodation cavity for accommodating a plate or other objects to be exposed. An exposure working surface is provided at a position corresponding to the accommodation cavity on the rear clamping plate. A plurality of air extraction hole groups for communicating the accommodation cavity with the outside are provided on the front clamping plate. An exposure light source is provided inside the box body.

[0006] In this solution, the printing plate or other object to be exposed is placed in the accommodating cavity and clamped by the fixture on the rear clamping plate. Then, the front clamping plate and the rear clamping plate are closed, and the locking module locks the front clamping plate and the rear clamping plate. The external air extractor first evacuates the accommodating cavity to a semi-vacuum through the air extraction holes, so that the printing plate or other object to be exposed is closely attached to the clamping plate assembly to prevent the printing plate or other object to be exposed from shifting. Then, the clamping plate assembly rotates to the horizontal state, and the external air extractor evacuates the accommodating cavity to a vacuum through the air extraction holes. After evacuating to a vacuum, the clamping plate assembly maintains the horizontal state for T seconds and then rotates to the exposure position. At this time, the clamping plate assembly seals the opening, facilitating the overall exposure treatment of the printing plate or other object to be exposed by the exposure light source, preventing the printing plate or other object to be exposed from being locally exposed, and improving the exposure accuracy.

[0007] Preferably, symmetrically arranged grooves are provided on the left and right sides at the top of the front side of the rear clamping plate. The grooves are arranged in the up and down direction. Telescopic rods are provided in the grooves. Connecting blocks are provided at the corresponding positions on the rear side of the front clamping plate. The rear sides of the connecting blocks extend into the corresponding grooves and are located below the telescopic rods. The telescopic ends of the telescopic rods are rotatably connected to the connecting blocks, and the tops of the telescopic rods are rotatably connected to the grooves.

[0008] Preferably, the air extraction hole groups are symmetrically arranged at the upper and lower ends of the rear side of the front clamping plate. The air extraction hole groups include symmetrically arranged air extraction structures on the left and right. The air extraction structure includes symmetrically arranged air extraction holes on the left and right. 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 being 1 / 2 to 5 / 6 of the length of the accommodating cavity can significantly improve the air extraction performance of the air extraction hole groups for the accommodating cavity.

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

[0011] The electromagnet is energized to generate magnetism and attracts the magnetic suction seat to complete the locking of the front clamping plate and the rear clamping plate.

[0012] Preferably, an inclined surface is provided on the front side of the box body. The inclined surface slopes forward from top to bottom. The opening is located on the inclined surface. The exposure light source is connected to the box body through an adjustment mechanism. The adjustment mechanism slopes forward from top to bottom. The adjustment mechanism includes a rotating frame and connecting members 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 member on the upper side is fixedly connected to the middle of the rear inner side wall of the box body, and the connecting member on the lower side is fixedly connected to the middle of the inner bottom surface of the box body. The upper and lower ends of the rotating frame are symmetrically provided with first rotating shafts. The rotating frame is rotationally connected to the corresponding connecting member through the corresponding first rotating shaft. The connecting member is provided with a second locking structure for locking / unlocking the corresponding side of the connecting member and the rotating frame.

[0013] Preferably, the second locking structure includes first circular arc holes symmetrically arranged on the left and right sides of the connecting member. The center of the arc of the first circular arc hole coincides with the axis of the first rotating shaft. The rotating frame is provided with first adjusting columns extending into the corresponding first circular arc holes at positions corresponding to the first circular arc holes. A first locking nut is threadedly connected to the first adjusting column.

[0014] Preferably, the rear part of the exposure light source is located inside the rotating frame. The exposure light source is connected to the rotating frame through an adjustment structure. The adjustment structure includes adjusting plates symmetrically arranged on the left and right sides of the exposure light source. The adjusting plates are rotationally connected to the corresponding sides of the rotating frame through second rotating shafts. The left and right sides of the rotating frame are symmetrically provided with circular arc hole groups. The circular arc hole groups include second circular arc holes symmetrically arranged up and down. The center of the arc of the second circular arc hole coincides with the axis of the second rotating shaft. The adjusting plates are provided with second adjusting columns extending into the second circular arc holes at positions corresponding to the second circular arc holes. A second locking nut is threadedly connected to the second adjusting column.

[0015] Before exposure, it is necessary to calibrate the angle between the exposure light source and the clamping plate assembly in advance. Loosen the second locking nut according to the current angle of the exposure light source to adjust the front-back inclination angle of the exposure light source, and then loosen the first locking nut to adjust the left-right inclination angle of the exposure light source until the exposure light source is adjusted to a suitable position. Then tighten the second locking nut and the first locking nut to lock the exposure light source.

[0016] Preferably, a plurality of blowers are provided on the front side of the inner bottom of the box body from left to right. The blowers are arranged in a straight line. An air inlet hole group is provided at the bottom of the front side of the box body. The air inlet ends of the blowers are communicated with the air inlet hole group. The blowers are located below the rear clamping plate. The air outlet direction of the blowers is vertically upward and the air outlet is directly opposite to the bottom of the rear side of the rear clamping plate. A plurality of diversion grooves are arranged side by side on the inner top surface of the box body from left to right. The diversion grooves correspond to the blowers one by one and are located directly above the corresponding blowers. The diversion grooves are arranged in the front-back direction. An air outlet is provided at the bottom of the rear side of the box body. A heat dissipation cylinder is provided behind the exposure light source.

[0017] Preferably, the included angle between the inclined plane and the horizontal plane is 60° to 85°.

[0018] A working method of a flip - type exposure machine according to the present invention is used for the above - mentioned flip - type exposure machine, and is characterized by including the following steps:

[0019] S1: Before exposure, it is necessary to calibrate the angle between the exposure light source and the clamping plate assembly to ensure that the exposure light source directly irradiates the exposure working surface on the rear clamping plate in the clamping plate assembly. Loosen the second locking nut according to the current angle of the exposure light source to adjust the front - rear inclination angle of the exposure light source, and then loosen the first locking nut to adjust the left - right inclination angle of the exposure light source until the exposure light source is adjusted to a proper position, and then tighten the second locking nut and the first locking nut to lock the exposure light source;

[0020] S2: After locking the exposure light source, rotate the clamping plate assembly to the exposure position. At this time, the clamping plate assembly is in an inclined state. Then, cut off the power supply of the electromagnet to unlock the front clamping plate and the rear clamping plate. Flip the front clamping plate upward to open it, place the printing plate or other objects to be exposed at the center position of the rear clamping plate, clamp the printing plate or other objects to be exposed with the fixture on the rear clamping plate, and then flip the front clamping plate downward to make the front clamping plate and the rear clamping plate fit. At this time, the electromagnet is powered on and attracted to the magnetic suction seat to lock the front clamping plate and the rear clamping plate;

[0021] S3: After the front clamping plate and the rear clamping plate are locked, an external air extractor first pumps the accommodation cavity to a semi - vacuum through the air extraction holes to make the printing plate or other objects to be exposed closely adhere to the clamping plate assembly to prevent the printing plate or other objects to be exposed from shifting. Then, the clamping plate assembly rotates to the horizontal state, and the external air extractor then pumps the accommodation cavity to a vacuum through the air extraction holes. After pumping to a vacuum, the clamping plate assembly maintains the horizontal state for T seconds, and then rotates to the exposure position. At this time, the clamping plate assembly seals the opening, and then the exposure light source performs an exposure process on the clamping plate assembly to expose the printing plate or other objects to be exposed;

[0022] S4: After the exposure of the printing plate or other objects to be exposed is completed, the electromagnet is powered off and separated from the magnetic suction seat, and the front clamping plate and the rear clamping plate are unlocked and no longer fit. At this time, the accommodation cavity is depressurized due to the gap generated between the front clamping plate and the rear clamping plate. Then, flip the front clamping plate upward to take out the exposed printing plate or other objects to be exposed.

[0023] The beneficial effects of the present invention are as follows: The clamping plate assembly can drive the printing plate or other objects to be exposed to be flipped so that the printing plate or other objects to be exposed are integrally exposed; The first adjustment mechanism can adjust the left - right exposure angle of the exposure light source, and the second adjustment mechanism can adjust the front - rear exposure angle of the exposure light source to make the exposure more accurate; The fan can dissipate heat from the rear clamping plate during exposure. Description of the Drawings

[0024] Figure 1 is the structural schematic diagram of the present invention;

[0025] Figure 2 is the structural schematic diagram when the front clamping plate in the present invention is opened;

[0026] Figure 3 is the structural schematic diagram of the exposure light source and the first adjustment mechanism in the present invention;

[0027] Figure 4 is Figure 3 the partial enlarged view of part A in;

[0028] Figure 5 is Figure 3 the partial enlarged view of part B in;

[0029] Figure 6 is the structural schematic diagram of the clamping plate assembly in the present invention;

[0030] Figure 7 is Figure 6 the partial enlarged view of part C in;

[0031] Figure 8 is the structural schematic diagram of the diversion groove in the present invention;

[0032] Figure 9 is the structural schematic diagram of the fan in the present invention;

[0033] Figure 10 is the structural schematic diagram when the clamping plate assembly rotates to the horizontal state after removing the box skin in the present invention;

[0034] Figure 11 is the schematic diagram of the air flow direction inside the box in the present invention.

[0035] In the figure: 1. Box body, 11. Opening, 12. Inclined plane, 2. Clamping plate assembly, 21. Front clamping plate, 22. Rear clamping plate, 23. Groove, 24. Expansion rod, 25. Connecting block, 26. Air extraction hole, 27. Electromagnet, 28. Magnetic attraction seat, 3. Exposure light source, 31. Rotating frame, 32. Connecting piece, 321. First circular arc hole, 33. First rotating shaft, 34. First adjusting column, 35. First locking nut, 36. Adjusting plate, 37. Second rotating shaft, 38. Second circular arc hole, 39. Second adjusting column, 391. Second locking nut, 4. Fan, 5. Air inlet hole group, 51. Diversion groove, 6. Air outlet, 7. Driver, 8. Heat dissipation cylinder. Specific embodiments

[0036] The technical solutions of the present invention will be further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0037] Embodiment: A flip - type exposure machine according to this embodiment is as follows Figures 1 to 11 As shown, it includes a box body 1. An opening 11 is provided on the front side of the box body 1. 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 box body 1. A clamping plate adjusting mechanism for adjusting the rotation angle of the clamping plate assembly 2 is provided inside the box body 1. 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 connection 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 are closed to form a closed accommodation cavity for accommodating a printing plate or other objects to be exposed. An exposure working surface is provided at the position of the rear clamping plate 22 corresponding to the accommodation cavity. A plurality of air extraction hole groups for communicating the accommodation cavity with the outside are provided on the front clamping plate 21. An exposure light source 3 is provided inside the box body 1.

[0038] On the upper left and right sides of the top of the front side of the rear clamping plate 22, grooves 23 are symmetrically provided. The grooves 23 are arranged in the up - down direction. Telescopic rods 24 are provided in the grooves 23. At the position corresponding to the grooves 23 on the rear side of the front clamping plate 21, connection blocks 25 are provided. The rear side of the connection 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 connection block 25, and the top of the telescopic rod 24 is rotatably connected to the groove 23.

[0039] The air extraction hole groups are 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 symmetrically arranged left and right. The air extraction structure includes air extraction holes 26 symmetrically arranged left and right. The distance between adjacent two air extraction structures is 1 / 2 to 5 / 6 of the length of the accommodation cavity.

[0040] The locking module includes first locking structures symmetrically arranged left and right. The first locking structure includes an electromagnet 27 and a magnetic suction seat 28. The electromagnet 27 is fixedly connected to the bottom of the front side of the rear clamping plate 22, and the magnetic suction seat 28 is fixedly connected to the bottom of the rear side of the front clamping plate 21.

[0041] A slope 12 is provided on the front side of the box body 1. The slope 12 slopes forward from top to bottom. The opening 11 is located on the slope 12. The exposure light source 3 is connected to the box body 1 through an adjustment mechanism. The adjustment mechanism slopes forward from top to bottom. The adjustment mechanism includes 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 located on the upper side is fixedly connected to the middle of the rear inner wall of the box body 1, and the connecting piece 32 located on the lower side is fixedly connected to the middle of the inner bottom surface of the box body 1. The upper and lower ends of the rotating frame 31 are symmetrically provided with first rotating shafts 33. The rotating frame 31 is rotatably connected to the corresponding connecting piece 32 through the corresponding first rotating shaft 33. The connecting piece 32 is provided with a second locking structure.

[0042] The second locking structure includes first arc holes 321 symmetrically arranged on the left and right of the connecting member 32. The center of the arc of the first arc hole 321 coincides with the axis of the first rotating shaft 33. At a position corresponding to the first arc hole 321 on the rotating frame 31, a first adjusting column 34 extending into the corresponding first arc hole 321 is provided. A first locking nut 35 is threadedly connected to the first adjusting column 34.

[0043] The rear part of the exposure light source 3 is located inside the rotating frame 31. The exposure light source 3 is connected to the rotating frame 31 through an adjustment structure. The adjustment structure includes adjusting plates 36 symmetrically arranged on the left and right sides of the exposure light source 3. The adjusting plates 36 are rotatably connected to the corresponding sides of the rotating frame 31 through second rotating shafts 37. Arc hole groups are symmetrically arranged on the left and right sides of the rotating frame 31. The arc hole groups include second arc holes 38 symmetrically arranged up and down. The center of the arc of the second arc hole 38 coincides with the axis of the second rotating shaft 37. At a position corresponding to the second arc hole 38 on the adjusting plate 36, a second adjusting column 39 extending into the second arc hole 38 is provided. A second locking nut 391 is threadedly connected to the second adjusting column 39.

[0044] Three blowers 4 are provided on the front side of the inner bottom of the box body 1 from left to right. The blowers 4 are arranged in a straight line. An air inlet hole group 5 is provided at the bottom of the front side of the box body 1. The air inlet ends of the blowers are communicated with the air inlet hole group 5. The blowers 4 are located below the rear clamping plate 22. The air outlet direction of the blowers 4 is vertically upward and the air outlet is directly opposite to the bottom of the rear side of the rear clamping plate 22. Three flow guide grooves 51 are arranged side by side on the inner top surface of the box body 1 from left to right. The flow guide grooves 51 correspond to the blowers 4 one by one and are located directly above the corresponding blowers 4. The flow guide grooves 51 are arranged in the front-rear direction. An air outlet 6 is provided at the bottom of the rear side of the box body 1. A heat dissipation cylinder 8 is provided at the rear side of the exposure light source 3.

[0045] The included angle between the inclined plane 12 and the horizontal plane is 60° to 85°.

[0046] The clamping plate adjusting mechanism includes drivers 7 symmetrically arranged on the left and right sides inside the box body 1. The bottoms of the drivers 7 are rotatably connected to the inner bottom surface of the box body 1. The telescopic ends of the drivers 7 are rotatably connected to the corresponding ends of the rear side surface of the rear clamping plate 22.

[0047] In this solution, the exposure machine needs to calibrate the angle between the exposure light source and the clamping plate assembly in advance before exposure. The second locking nut is loosened according to the current angle of the exposure light source to adjust the front and rear tilt angle of the exposure light source, and then the first locking nut is loosened to adjust the left and right tilt angle of the exposure light source until the exposure light source is adjusted to a suitable position, and 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 is in a tilted state as a whole, the electromagnet is powered off, the front clamping plate and the rear clamping plate are unlocked, the front clamping plate is flipped upward and opened, the printing plate or other object to be exposed is placed in the center position of the rear clamping plate, the clamp on the rear clamping plate clamps the printing plate or other object to be exposed, and then the front clamping plate is flipped downward to fit the front clamping plate with the rear clamping plate. At this time, the electromagnet is powered on and attracted by the magnetic suction seat to lock the front clamping plate with the rear clamping plate.

[0048] After the front clamping plate and the rear clamping plate are locked, the external vacuum pump first draws a semi-vacuum in the accommodating chamber through the vacuum hole to make the printing plate or other object to be exposed close to the clamping plate assembly to avoid displacement of the printing plate or other object to be exposed, and then the two drivers drive the clamping plate assembly to rotate to a horizontal state, and the external vacuum pump then draws a vacuum in the accommodating chamber through the vacuum hole. After the vacuum is drawn, the clamping plate assembly remains in a horizontal state for T seconds, and then the two drivers drive the clamping plate assembly to rotate to the exposure position. At this time, the clamping plate assembly seals the opening, and then the exposure light source exposes the clamping plate assembly to expose the printing plate or other object to be exposed.

[0049] After the exposure of the printing plate or other object to be exposed is completed, the electromagnet is powered off and separated from the magnetic suction seat, the front clamping plate and the rear clamping plate are unlocked and no longer fit together, at this time the accommodating cavity is depressurized due to the gap between the front clamping plate and the rear clamping plate, the front clamping plate is flipped upwards, and the exposed printing plate or other object to be exposed is taken out.

[0050] When the exposure machine is exposing, the air flow direction in the box is as follows Figure 11 As shown, the three fans continuously draw air and blow the drawn cold air vertically upward, so that the blown cold air faces the bottom of the rear side of the rear clamping plate during exposure, takes away the heat on the exposure working surface of the rear clamping plate, and moves upward to the corresponding guide groove through the rear side of the rear clamping plate, moves from the front side of the corresponding guide groove to the rear side of the corresponding guide groove and contacts the rear side wall of the box, and then moves downward from the top of the rear side wall of the box to contact the exposure lamp. At this time, the three air ducts can take away the heat from the front side and the left and right sides of the exposure lamp respectively, dissipate the heat of the exposure lamp, and discharge the heat through the exhaust port at the bottom of the rear side of the box. The side-by-side heat dissipation air ducts formed by the three fans have a strong heat dissipation effect and can prevent the temperature in the box from being too high during exposure.

[0051] A working method of a flip - type exposure machine according to this embodiment, which is used for the above - mentioned flip - type exposure machine, includes the following steps:

[0052] S1: Before exposure, it is necessary to calibrate the angle between the exposure light source and the clamping plate assembly to ensure that the exposure light source directly irradiates the exposure working surface on the rear clamping plate in the clamping plate assembly. Loosen the second locking nut according to the current angle of the exposure light source to adjust the front - rear tilt angle of the exposure light source, and then loosen the first locking nut to adjust the left - right tilt angle of the exposure light source until the exposure light source is adjusted to the appropriate position, and then tighten the second locking nut and the first locking nut to lock the exposure light source;

[0053] S2: After the exposure light source is locked, rotate the clamping plate assembly to the exposure position. At this time, the clamping plate assembly is in an inclined state. Then, cut off the power supply of the electromagnet to unlock the front clamping plate and the rear clamping plate. Flip the front clamping plate upward to open it, place the printing plate or other objects to be exposed at the center position of the rear clamping plate, and the fixture on the rear clamping plate clamps the printing plate or other objects to be exposed. Then, flip the front clamping plate downward so that the front clamping plate and the rear clamping plate fit together. At this time, the electromagnet is powered on and attracted to the magnetic seat to lock the front clamping plate and the rear clamping plate;

[0054] S3: After the front clamping plate and the rear clamping plate are locked, the external air extractor first evacuates the accommodation cavity to half - vacuum through the air extraction holes to make the printing plate or other objects to be exposed closely adhere to the clamping plate assembly to prevent the printing plate or other objects to be exposed from shifting. Then, rotate the clamping plate assembly to the horizontal state, and the external air extractor evacuates the accommodation cavity to vacuum through the air extraction holes. After pumping to vacuum, the clamping plate assembly maintains the horizontal state for T seconds, and then rotates to the exposure position. At this time, the clamping plate assembly seals the opening, and then the exposure light source performs exposure processing on the clamping plate assembly to expose the printing plate or other objects to be exposed;

[0055] S4: After the exposure of the printing plate or other objects to be exposed is completed, cut off the power supply of the electromagnet to disengage it from the magnetic seat, and the front clamping plate and the rear clamping plate are unlocked and no longer fit together. At this time, the accommodation cavity is depressurized due to the gap generated between the front clamping plate and the rear clamping plate. Then, flip the front clamping plate upward to take out the exposed printing plate or other objects to be exposed.

Claims

1. A flip exposure machine, characterized in that: The invention comprises a box body (1), wherein the front side of the box body (1) is provided with an opening (11), the opening (11) is provided with a clamping plate assembly (2) for sealing the opening, the clamping plate assembly (2) is rotatably connected to the box body (1), a clamping plate adjustment mechanism for adjusting the rotation angle of the clamping plate assembly (2) is provided in the box body (1), the clamping plate assembly (2) comprises a locking module, a front clamping plate (21) and a rear clamping plate (22), the top of the front clamping plate (21) is connected via a first connection structure The front clamping plate (21) and the rear clamping plate (22) are hingedly connected, 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) are closed to form a closed accommodating 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 position of the accommodating cavity, the front clamping plate (21) is provided with a plurality of exhaust hole groups connecting the accommodating cavity with the outside, and the box body (1) is provided with an exposure light source (3).

2. The flip exposure machine according to claim 1, characterized in that: The top of the front side of the rear clamping plate (22) is symmetrically provided with grooves (23) on both sides, the grooves (23) are arranged in an up-down direction, a telescopic rod (24) is arranged in the groove (23), a connecting block (25) is provided at a position corresponding to the groove (23) on the rear side of the front clamping plate (21), the rear side of the connecting block (25) extends into the corresponding groove (23) and is located at the lower side of 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).

3. The flip exposure machine according to claim 2, characterized in that: The exhaust hole group is symmetrically arranged at the upper and lower ends of the rear side of the front clamping plate (21), the exhaust hole group includes an exhaust structure symmetrically arranged on the left and right, the exhaust structure includes exhaust holes (26) symmetrically arranged on the left and right, and the distance between two adjacent exhaust structures is 1 / 2 to 5 / 6 of the length of the accommodating cavity.

4. The flip exposure machine according to claim 3, characterized in that: The locking module comprises a first locking structure which is arranged symmetrically on the left and right sides, the first locking structure comprising an electromagnet (27) and a magnetic seat (28), the electromagnet (27) being fixedly connected to the bottom of the front side of the rear clamping plate (22), and the magnetic seat (28) being fixedly connected to the bottom of the rear side of the front clamping plate (21).

5. The flip exposure machine according to claim 4, characterized in that: The front side of the housing (1) is provided with an inclined surface (12), the inclined surface (12) is inclined forward from top to bottom, the opening (11) is located on the inclined surface (12), the exposure light source (3) is connected to the housing (1) via an adjustment mechanism, the adjustment mechanism is inclined forward from top to bottom, the adjustment mechanism comprises a rotating frame (31) and connecting members (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), and the connecting member (32) located on the upper side 2) is fixedly connected to the middle part of the inner rear side wall of the box body (1), and the connecting piece (32) located at the lower side is fixedly connected to the middle part of the inner bottom surface of the box body (1), and the first rotating shafts (33) are symmetrically provided at the upper and lower ends of the rotating frame (31), and the rotating frame (31) is rotatably 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, and the second locking structure is used to lock / unlock the corresponding side of the connecting piece (32) and the rotating frame (31).

6. The flip exposure machine according to claim 5, characterized in that: The second locking structure comprises a first arc hole (321) symmetrically arranged on the connecting member (32), the arc center of the first arc hole (321) coincides with the axis of the first rotating shaft (33), the rotating frame (31) is provided with a first adjusting column (34) extending into the corresponding first arc hole (321) at a position corresponding to the first arc hole (321), and the first locking nut (35) is threadedly connected to the first adjusting column (34).

7. The flip exposure machine according to claim 6, characterized in that: The rear part of the exposure light source (3) is located in the rotating frame (31), and the exposure light source (3) is connected to the rotating frame (31) through an adjustment structure. The adjustment structure includes adjustment plates (36) symmetrically arranged on the left and right sides of the exposure light source (3). The adjustment plates (36) are rotationally connected to the corresponding side of the rotating frame (31) through a second rotating shaft (37). The rotating frame (31) is symmetrically provided with arc hole groups on the left and right sides. The arc hole groups include second arc holes (38) symmetrically arranged in the upper and lower directions. The arc center of the second arc hole (38) coincides with the axis of the second rotating shaft (37). The adjustment plate (36) is provided with a second adjustment column (39) extending into the second arc hole (38) at a position corresponding to the second arc hole (38). The second adjustment column (39) is threadedly connected with a second locking nut (391).

8. The flip exposure machine according to claim 7, characterized in that: A plurality of fans (4) are arranged from left to right on the front side of the bottom of the box body (1), and the fans (4) are arranged in a straight line. An air inlet group (5) is arranged on the bottom of the front side of the box body (1), and the air inlet end of the fan is connected with the air inlet group (5). The fan (4) is located below the rear clamping plate (22). The air outlet direction of the fan (4) is vertically upward, and the air outlet is directly opposite to the bottom of the rear side of the rear clamping plate (22). A plurality of guide grooves (51) are arranged side by side from left to right on the top surface of the box body (1), and 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-to-back direction. An air outlet (6) is arranged on the bottom of the rear side of the box body (1), and a heat dissipation tube (8) is arranged on the rear side of the exposure light source (3).

9. The flip exposure machine according to claim 8, characterized in that: The angle between the inclined surface (12) and the horizontal plane is 60° to 85°.

10. A method for operating a flip exposure machine, used in the flip exposure machine according to claim 9, characterized in that: The following steps are involved: S1: Before exposure, the angle between the exposure light source and the clamping plate assembly needs to be calibrated to ensure that the exposure light source directly illuminates the exposure working surface on the rear clamping plate in the clamping plate assembly. The second locking nut is loosened according to the current angle of the exposure light source to adjust the front and rear tilt angle of the exposure light source. The first locking nut is then loosened to adjust the left and right tilt angle of the exposure light source until the exposure light source is adjusted to a suitable position. The second locking nut and the first locking nut are then tightened to lock the exposure light source. S2: After the exposure light source is locked, the clamping plate assembly is rotated to the exposure position. At this time, the clamping plate assembly is in a tilted state, and the electromagnet is powered off to unlock the front clamping plate and the rear clamping plate. The front clamping plate is flipped upward to open, and the printing plate or other object to be exposed is placed in the center position of the rear clamping plate. The clamp on the rear clamping plate clamps the printing plate or other object to be exposed, and then the front clamping plate is flipped downward to fit the front clamping plate with the rear clamping plate. At this time, the electromagnet is powered on to attract the magnetic seat, so that the front clamping plate and the rear clamping plate are locked; S3: After the front clamping plate and the rear clamping plate are locked, the external vacuum pump first draws a semi-vacuum into the accommodating chamber through the vacuum hole to make the printing plate or other object to be exposed close 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 vacuum pump draws a vacuum into the accommodating chamber through the vacuum hole. After the vacuum is drawn, the clamping plate assembly is kept in a horizontal state for T seconds, and then rotated to the exposure position, at which time the clamping plate assembly seals the opening, and then the exposure light source performs exposure processing on the clamping plate assembly, so that the printing plate or other object to be exposed is exposed; S4: After the exposure of the printing plate or other object to be exposed is completed, the electromagnet is powered off and separated from the magnetic suction seat, the front clamping plate and the rear clamping plate are unlocked and no longer fit together, at this time the accommodating chamber is depressurized due to the gap between the front clamping plate and the rear clamping plate, and then the front clamping plate is flipped upward to take out the exposed printing plate or other object to be exposed.

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