CN216248759U - Double-row double-side exposure machine - Google Patents
Double-row double-side exposure machine Download PDFInfo
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- CN216248759U CN216248759U CN202122704687.5U CN202122704687U CN216248759U CN 216248759 U CN216248759 U CN 216248759U CN 202122704687 U CN202122704687 U CN 202122704687U CN 216248759 U CN216248759 U CN 216248759U
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Abstract
The double-row double-sided exposure machine comprises a first conveying device, a first exposure device, a second conveying device, a second exposure device and a third conveying device which are arranged on a rack. The first conveying device is used for feeding, the second conveying device is in butt joint with the first exposure device and the second exposure device, and the third conveying device is used for discharging. The first conveying device, the second conveying device and the third conveying device comprise two conveying mechanisms which are arranged in parallel. The first exposure device comprises two first exposure platforms and two first exposure modules, and the two first exposure modules share one first light source component. The second exposure device comprises two second exposure platforms and two second exposure modules, and the two second exposure modules share one second light source component. The double-row double-sided exposure machine can carry out exposure in double rows and four stations, not only has high efficiency, but also saves cost because part of components are shared. The double-row double-side exposure machine is reasonable in structure and high in efficiency.
Description
Technical Field
The utility model relates to the technical field of exposure machines, in particular to a double-row double-sided exposure machine.
Background
The full-automatic double-side exposure machine is usually designed to carry out all the operation processes on the same plane and the same axis, and the basic operation processes comprise material feeding, first-side exposure, plate turning, second-side exposure, material discharging and the like. However, the intermediate processes of the fully automatic double-sided exposure machine are more, and the waiting time of each process is longer in many cases, which affects the production efficiency.
Therefore, it is necessary to provide a double-row double-side exposure machine with reasonable structure and high efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-row double-sided exposure machine which is reasonable in structure and high in efficiency.
In order to achieve the above object, the present invention provides a double-row double-sided exposure machine, which comprises a first conveying device, a first exposure device, a second conveying device, a second exposure device and a third conveying device, wherein the first conveying device, the first exposure device, the second conveying device, the second exposure device and the third conveying device are arranged on a frame, the first conveying device is arranged at the front end of the first exposure device, the second conveying device is arranged between the first exposure device and the second exposure device, the third conveying device is arranged at the rear end of the second exposure device, and the first conveying device, the second conveying device and the third conveying device respectively comprise two conveying mechanisms arranged in parallel; the first exposure device is used for exposing one surface of a workpiece and comprises two first exposure platforms, first exposure modules are arranged on the two first exposure platforms, and first light source assemblies capable of moving between the two first exposure modules are further arranged on the two first exposure modules; the second conveying device is provided with a plate turnover device, the plate turnover device comprises a turnover mechanism in butt joint with the two first exposure platforms, and the turnover mechanism is used for overturning a workpiece; the second exposure device is used for exposing the other side of the workpiece, the second exposure device comprises two second exposure platforms which are in butt joint with the turnover mechanism, the two second exposure platforms are respectively provided with a second exposure module, and a second light source assembly which can move between the two second exposure modules is further arranged on the two second exposure modules.
Preferably, the conveying mechanism is provided with a plurality of roller assemblies, each roller assembly comprises a roller and a plurality of rollers sleeved on the roller, a gap is formed between each roller and the corresponding roller, and when a workpiece is placed on each roller, the rotating speed of each roller is smaller than that of each roller.
Preferably, the first conveying device and the third conveying device are both provided with a material taking manipulator capable of moving between the two conveying mechanisms, and the material taking manipulator is used for carrying and switching workpieces on the two conveying mechanisms.
Preferably, the front ends of the first exposure device and the second exposure device are respectively provided with a material arranging mechanism positioned on the conveying mechanism, and the workpiece is pre-positioned by the material arranging mechanism, so that the workpiece can be better aligned and exposed.
Preferably, each first exposure platform is further provided with a first material taking mechanism, and the first material taking mechanism is slidably arranged on the frame and can slide between the first conveying device and the first exposure platform so as to convey the workpiece on the first conveying device to the first exposure platform.
Preferably, the first material taking mechanism comprises two material taking assemblies which are oppositely arranged, a connecting rod assembly is arranged between the two material taking assemblies, and the distance between the two material taking assemblies is adjusted by means of adjusting the connecting rod assembly so that the first material taking mechanism can take workpieces of various sizes.
Preferably, the first exposure platform is arranged on the frame in a lifting manner, the first exposure module is movably arranged on the frame, the first exposure module is provided with exposure glass, and the first exposure module is operated to slide out of the frame so as to stick a film surface on the exposure glass.
Preferably, the first exposure device is further provided with a CCD detection mechanism, an NG temporary storage device is arranged between the first exposure device and the plate turnover device and arranged on the second conveying device, the CCD detection mechanism is used for detecting the workpieces, and the NG temporary storage device is used for temporarily storing the unqualified workpieces.
Preferably, the NG temporary storage device includes a lifting frame and two placement mechanisms located at two sides of the lifting frame, each placement mechanism is connected to a lifting mechanism disposed on the lifting frame, a spacing portion matched with the placement mechanism is disposed on the second conveying device, the placement mechanism is made to ascend or descend along the lifting frame on the spacing portion by virtue of the lifting mechanism, and a plurality of placement positions for placing materials are disposed on the placement mechanism.
Preferably, the turnover mechanism comprises a turnover frame, a first conveying assembly and a second conveying assembly, the first conveying assembly and the second conveying assembly are arranged on the turnover frame, a workpiece is conveyed between the first conveying assembly and the second conveying assembly, a movable material blocking assembly is arranged between the first conveying assembly and the second conveying assembly, the first conveying assembly or the second conveying assembly is in butt joint with a conveying mechanism on the second conveying device, the turnover frame is connected with a power assembly, and the power assembly acts to enable the turnover frame to drive the first conveying assembly and the second conveying assembly to overturn and exchange positions, so that the workpiece is turned over.
Compared with the prior art, the double-row double-sided exposure machine comprises a first conveying device, a first exposure device, a second conveying device, a second exposure device and a third conveying device which are arranged on a rack. The first conveying device is used for feeding, the second conveying device is in butt joint with the first exposure device and the second exposure device, and the third conveying device is used for discharging. The first conveying device, the second conveying device and the third conveying device comprise two conveying mechanisms which are arranged in parallel. The first exposure device comprises two first exposure platforms and two first exposure modules, and the two first exposure modules share one first light source component. The second exposure device comprises two second exposure platforms and two second exposure modules, and the two second exposure modules share one second light source component. The double-row double-sided exposure machine can carry out exposure in double rows and four stations, not only has high efficiency, but also saves cost by sharing part of components. The double-row double-side exposure machine is reasonable in structure and high in efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a structural diagram of a double row double-side exposure machine according to an embodiment of the present invention.
Fig. 2 is a structural view of the first transfer device in fig. 1.
Fig. 3 is a structural diagram of the first exposure apparatus in fig. 1.
Fig. 4 is an enlarged view at a in fig. 3.
Fig. 5 is a block diagram of the first take off mechanism of fig. 3.
Fig. 6 is a structural diagram of the NG buffer in fig. 1.
Fig. 7 is a structural view of a space avoiding portion of the second transport device in fig. 1, which cooperates with the NG buffer.
Fig. 8 is a structural view of the turnover mechanism of fig. 1.
Description of reference numerals:
100. a double row double side exposure machine; 101. a frame;
10. a first conveying device; 102. a transport mechanism; 11. a roller assembly; 111. a roller; 112. a roller; 113. a position avoiding part; 12. a material taking manipulator; 13. a stock stop mechanism; 14. a material distributing mechanism;
20. a first exposure device; 21. a first material taking mechanism; 211. a material taking assembly; 2111. a material taking sucker; 212. a connecting rod assembly; 22. a first exposure stage; 23. a first exposure module; 231. a handle; 24. a first light source assembly; 25. a second material taking mechanism;
30. a second conveying device;
40. an NG temporary storage device; 41. a lifting frame; 42. a placement mechanism; 421. a discharging part; 422. discharging the material; 43. a lifting mechanism;
50. a plate turnover device; 501. a turnover mechanism; 51. turning over the frame; 52. a first transfer assembly; 53. a second transfer assembly; 54. a power assembly; 55. the material blocking component;
60. a second exposure device;
70. and a third conveying device.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
Referring to fig. 1, the present invention provides a double row double-side exposure machine 100, which includes a first conveyor 10, a first exposure device 20, a second conveyor 30, a second exposure device 60, and a third conveyor 70, which are sequentially arranged on a frame 101. The first transfer device 10 is located at the front end of the first exposure device 20, the second transfer device 30 is located between the first exposure device 20 and the second exposure device 60, and the third transfer device 70 is located at the rear end of the second exposure device 60. The first conveyor 10, the second conveyor 30 and the third conveyor 70 each comprise two conveyor mechanisms 102 arranged side by side. The first exposure device 20 is used for exposing one side of a workpiece, the first exposure device 20 comprises two first exposure platforms 22, the two first exposure platforms 22 are provided with first exposure modules 23, and the two first exposure modules 23 are further provided with first light source assemblies 24 capable of moving between the two first exposure modules 23. The second conveyor 30 is provided with an NG buffer 40 and a flap 50. The NG temporary storage device 40 is used for temporarily storing the workpieces for detecting NG. The plate turnover device 50 includes a turnover mechanism 501 connected to the two first exposure platforms 22, and the turnover mechanism 501 is used for turning over the workpiece. The second exposure device 60 is used to expose the other surface of the workpiece, and the structure of the second exposure device 60 is the same as that of the first exposure device 20. The second exposure device 60 includes two second exposure platforms connected to the turnover mechanism 501, the two second exposure platforms are provided with second exposure modules, and the two second exposure modules are further provided with second light source assemblies capable of moving between the two second exposure modules. The double-row double-sided exposure machine 100 has high efficiency of double-row transmission and exposure, and the first exposure device 20 and the second exposure device 60 share the light source component, thereby effectively saving the cost.
Referring to fig. 2, in some alternative embodiments, the first conveyor 10, the second conveyor 30, and the third conveyor 70 each include two parallel conveying mechanisms 102. The conveying mechanism 102 is provided with a plurality of sets of roller assemblies 11, each roller assembly 11 includes a roller 111 and a plurality of rollers 112 sleeved on the roller 111, and the workpieces are conveyed on the rollers 112. There is a gap between the roller 112 and the roller 111, and when the roller 111 drives the roller 112 to convey, there is a slip phenomenon between the roller 111 and the roller 112, so that when a workpiece is placed on the roller 112, the rotation speed of the roller 112 is less than that of the roller 111. It can be understood that when a workpiece is placed on the roller 112, under the action of the gravity of the workpiece, the roller 112 has a downward force, so that the roller 112 and the roller 111 slide relatively, and further, the rotation speed of the roller 112 is lower than that of the roller 111, so as to prevent the roller 112 from rubbing the workpiece due to the greater relative sliding between the roller 112 and the workpiece caused by the higher rotation speed when the roller 112 drives the workpiece to rotate. In the present embodiment, the two sides of the workpiece are printed with ink to be exposed on both sides, and if the friction between the workpiece and the conveying roller 112 is large, the workpiece will be scratched, which affects the exposure effect. In the conveying mechanism 102 of the present invention, a certain gap is formed between the roller 112 and the roller 111, so as to prevent scratching the workpiece and achieve a good conveying effect.
Referring to fig. 2, in some alternative embodiments, the first conveyor 10 and the third conveyor 70 are each provided with a material taking robot 12 movable between the two conveying mechanisms 102, and the material taking robot 12 is used for carrying and switching the workpieces on the two conveying mechanisms 102. The first conveyor 10 and the third conveyor 70 are similar in construction, the first conveyor 10 being for infeed and the third conveyor 70 being for outfeed. Specifically, a striker mechanism 13 and a monolith mechanism 14 are further provided on the first conveyor 10 and the third conveyor 70. The material blocking mechanism 13 is used for blocking the material, and on the first conveying device 10, the material blocking mechanism 13 suspends the workpiece on the conveying mechanism 102 to suspend the workpiece from entering the first exposure device 20. Namely, when the exposure of the first surface of the upper workpiece is not finished, the workpiece is conveyed in a pause mode through the material stopping mechanism 13. When the detection device on the first exposure device 20 detects that the workpiece on any one of the first exposure platforms 22 on the two exposure platforms has been exposed, the stop mechanism 13 can release the workpiece; or when there is no workpiece on the conveying mechanism 102 corresponding to the first exposure platform 22, the material taking manipulator 12 can pick up the workpiece on another conveying mechanism 102 and place the workpiece on the corresponding conveying mechanism 102, so that the workpiece is conveyed to the empty first exposure platform 22, and the structural design is reasonable. On the third conveyor 70, the stock stop 13 suspends the workpiece on the conveyor 102 to suspend the workpiece on the second exposure device 60 from flowing out to the next process. The reclaiming robot 12 of the third conveyor 70 is also used to transfer the workpieces on the two transfer mechanisms 102 so that the workpieces can be better and more efficiently transported. The first transfer device 10, the second transfer device 30 and the third transfer device 70 are each provided with a centering mechanism for centering the workpiece. The front ends of the first exposure device 20 and the second exposure device 60 are respectively provided with a material arranging mechanism 14 on the conveying mechanism 102, and the workpiece is pre-positioned by the material arranging mechanism 14, so that the workpiece can be better aligned and exposed. The arrangement of the material distributing mechanism 14 enables the workpiece to be positioned better, and also enables the first material taking mechanism 21 and the second material taking mechanism 25 on the first exposure device 20 and the second exposure device 60 to take materials better. A buffer area for discharging the second material taking mechanism 25 is further provided at the rear end of the first exposure device 20 and the second exposure device 60.
Referring to fig. 3 to fig. 5, in some alternative embodiments, each first exposure platform 22 is further provided with a first material taking mechanism 21, and the first material taking mechanism 21 is slidably disposed on the frame 101 and can slide between the first conveying device 10 and the first exposure platform 22, so as to transport the workpiece on the first conveying device 10 to the first exposure platform 22. A second material taking mechanism 25 is further disposed at the other end of the first exposure platform 22, the structure of the second material taking mechanism 25 is substantially the same as that of the first material taking mechanism 21, and the second material taking mechanism 25 is used for picking up and placing the exposed workpiece on the first exposure platform 22 onto the second conveying device 30. Specifically, the first material taking mechanism 21 includes two material taking assemblies 211 arranged oppositely, and a plurality of material taking suction cups 2111 are arranged on the material taking assemblies 211. A connecting rod assembly 212 is disposed between the two material taking assemblies 211, and the distance between the two material taking assemblies 211 can be adjusted by adjusting the connecting rod assembly 212, so that the first material taking mechanism 21 can take workpieces of various sizes. The connecting rod assembly 212 operates to slide the two first material taking mechanisms 21 along the slide rails on both sides, so that the two first material taking mechanisms 21 can approach or move away from each other.
Referring to fig. 3 and 4, in some alternative embodiments, the first exposure stage 22 is disposed on the frame 101 in a lifting manner, and the first exposure module 23 is disposed above the first exposure stage 22. When the first material taking mechanism 21 picks up the workpiece and places the workpiece on the first exposure platform 22, the first exposure platform 22 is lifted to be close to the first exposure module 23 so as to perform exposure. On the other hand, the first exposure module 23 is movably disposed on the frame 101, and the first exposure module 23 can move along the horizontal direction at the side of the first exposure device 20. The first exposure module 23 is provided with an exposure glass, and a handle 231 capable of being pulled, so that the first exposure module 23 can slide out of the frame 101 by pulling the handle 231, so as to stick a film surface on the exposure glass. In the present embodiment, the structure of the second exposure device 60 is the same as that of the first exposure device 20.
Referring to fig. 3 and 6, in some alternative embodiments, a CCD detection mechanism is further disposed on the two first exposure stages 22 of the first exposure device 20, and the CCD detection mechanism includes a CCD detection component before exposure and a CCD detection component after exposure. An NG temporary storage device 40 is arranged between the first exposure device 20 and the plate turnover device 50, the NG temporary storage device 40 is arranged on the second conveying device 30, the CCD detection mechanism is used for detecting the workpieces, and the NG temporary storage device 40 is used for temporarily storing the unqualified workpieces.
Referring to fig. 6 and 7, in some alternative embodiments, the NG temporary storage device 40 includes a lifting frame 41 and two placement mechanisms 42 disposed on two sides of the lifting frame 41, each placement mechanism 42 is connected to a lifting mechanism 43 disposed on the lifting frame 41, and the placement mechanisms 42 are lifted or lowered on the second conveying device 30 along the lifting frame 41 by the lifting mechanisms 43. The elevating mechanism 43 may include a motor and a lead screw. The second conveying device 30 is provided with a space-avoiding portion 113 cooperating with the placement mechanism 42, and the placement mechanism 42 is provided with a plurality of placement positions 422 for placing materials on the upper layer. Each discharging position 422 is provided with a plurality of discharging pieces 421 on the same horizontal line, and the positions of the plurality of discharging pieces 421 of each layer of discharging position 422 are approximately the same, so that the plurality of discharging pieces 421 are regularly arranged in the horizontal and vertical directions. It can be understood that the same row 421 in the vertical direction is located in one of the clearance parts 113, and the ascending and descending of the discharge position 422 is realized by the ascending and descending mechanism 43. When the discharge position 422 is lifted, the workpiece on the second conveyor 30 is lifted, and the discharge member 421 on the next discharge position 422 is positioned below the conveying surface of the second conveyor 30, so that the conveying of the workpiece is not influenced.
Referring to fig. 8, in some alternative embodiments, the turnover mechanism 501 includes a turnover frame 51, and a first conveying assembly 52 and a second conveying assembly 53 disposed on the turnover frame 51, wherein the workpiece is conveyed between the first conveying assembly 52 and the second conveying assembly 53. Wherein, be provided with mobilizable dam subassembly 55 between first transfer unit 52 and second transfer unit 53, dam subassembly 55 activity is in order to block the clearance between first transfer unit 52 and the second transfer unit 53 to the work piece slides out first transfer unit 52 and the second transfer unit 53 when avoiding overturning. The first conveying assembly 52 or the second conveying assembly 53 is butted against the conveying mechanism 102 on the second conveying device 30, the overturning frame 51 is connected with a power assembly 54, and the power assembly 54 can comprise a motor, a synchronous belt assembly and the like. The power assembly 54 is operated to turn the turnover frame 51 to turn the first transfer assembly 52 and the second transfer assembly 53 over and exchange positions, so that the workpiece is turned over. The reversed workpiece is conveyed on the second conveyor 30 by the first conveyor 52 or the second conveyor 53, and conveyed into the second exposure device 60 by the second conveyor 30.
As shown in fig. 1 to 8, a double row double-side exposure machine 100 according to the present invention includes a first transfer unit 10, a first exposure unit 20, a second transfer unit 30, a second exposure unit 60, and a third transfer unit 70, which are disposed on a frame 101. The first transfer device 10 is used for feeding, the second transfer device 30 is butted against the first exposure device 20 and the second exposure device 60, and the third transfer device 70 is used for discharging. The first conveyor 10, the second conveyor 30 and the third conveyor 70 each comprise two conveyor mechanisms 102 arranged side by side. The first exposure apparatus 20 includes two first exposure stages 22 and two first exposure modules 23, and the two first exposure modules 23 share a first light source assembly 24. The second exposure device 60 includes two second exposure platforms and two second exposure modules, and the two second exposure modules share a second light source assembly. The double-row double-sided exposure machine 100 can carry out double-row four-station exposure, has high efficiency, and saves cost due to the sharing of part of components. The double-row double-sided exposure machine 100 can be used for automatic loading and unloading in a linked mode, full-automatic exposure is achieved, NG products are stored temporarily automatically, efficiency is high, alignment accuracy is high, and exposure effect is good.
The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the utility model.
Claims (10)
1. A double-row double-sided exposure machine is characterized by comprising a first conveying device, a first exposure device, a second conveying device, a second exposure device and a third conveying device which are arranged on a rack, wherein the first conveying device is positioned at the front end of the first exposure device, the second conveying device is positioned between the first exposure device and the second exposure device, the third conveying device is positioned at the rear end of the second exposure device, and the first conveying device, the second conveying device and the third conveying device respectively comprise two conveying mechanisms which are arranged in parallel; the first exposure device is used for exposing one surface of a workpiece and comprises two first exposure platforms, first exposure modules are arranged on the two first exposure platforms, and first light source assemblies capable of moving between the two first exposure modules are further arranged on the two first exposure modules; the second conveying device is provided with a plate turnover device, the plate turnover device comprises a turnover mechanism in butt joint with the two first exposure platforms, and the turnover mechanism is used for overturning workpieces; the second exposure device is used for exposing the other side of the workpiece and comprises two second exposure platforms which are in butt joint with the turnover mechanism, second exposure modules are arranged on the two second exposure platforms, and second light source assemblies which can move between the two second exposure modules are further arranged on the two second exposure modules.
2. The double-row double-sided exposure machine according to claim 1, wherein a plurality of roller assemblies are arranged on the conveying mechanism, each roller assembly comprises a roller and a plurality of rollers sleeved on the roller, a gap is formed between each roller and the corresponding roller, and when a workpiece is placed on each roller, the rotating speed of each roller is less than that of the corresponding roller.
3. The double-row double-sided exposure machine according to claim 1, wherein a material taking robot movable between the two conveying mechanisms is provided on each of the first conveying device and the third conveying device, and the material taking robot is configured to carry and switch the work pieces on the two conveying mechanisms.
4. The double-row double-sided exposure machine according to claim 1, wherein a material adjusting mechanism is disposed on the conveying mechanism at the front end of each of the first exposure device and the second exposure device, and the workpiece is pre-positioned by the material adjusting mechanism so that the workpiece can be better aligned and exposed.
5. The double-row double-sided exposure machine according to claim 1, wherein each first exposure platform is further provided with a first material taking mechanism, and the first material taking mechanism is slidably arranged on the frame and can slide between the first conveying device and the first exposure platform so as to convey the workpiece on the first conveying device to the first exposure platform.
6. The double-row double-sided exposure machine of claim 5, wherein the first material taking mechanism comprises two material taking assemblies arranged oppositely, a connecting rod assembly is arranged between the two material taking assemblies, and the distance between the two material taking assemblies is adjusted by adjusting the connecting rod assembly so that the first material taking mechanism can take workpieces of various sizes.
7. The dual-column dual-side exposure machine according to claim 1, wherein the first exposure platform is disposed on the frame in a lifting manner, the first exposure module is movably disposed on the frame, an exposure glass is disposed on the first exposure module, and the first exposure module is operated to slide out of the frame so as to attach a film surface to the exposure glass.
8. The double-row double-sided exposure machine according to claim 1, wherein a CCD detection mechanism is further arranged on the first exposure device, an NG temporary storage device is arranged between the first exposure device and the plate turnover device, the NG temporary storage device is arranged on the second conveying device, the CCD detection mechanism is used for detecting the workpieces, and the NG temporary storage device is used for temporarily storing and detecting unqualified workpieces.
9. The double-row double-sided exposure machine according to claim 8, wherein the NG temporary storage device comprises a lifting frame and placement mechanisms located on both sides of the lifting frame, each placement mechanism is connected to a lifting mechanism provided on the lifting frame, the second conveyor is provided with a space avoiding portion cooperating with the placement mechanism, the placement mechanism is raised or lowered on the space avoiding portion along the lifting frame by the lifting mechanism, and the placement mechanism is provided with a plurality of placement positions for placing materials on an upper layer.
10. The double row double side exposure machine of claim 1, wherein the turnover mechanism comprises a turnover frame, and a first conveying assembly and a second conveying assembly arranged on the turnover frame, a movable material blocking assembly is arranged between the first conveying assembly and the second conveying assembly, the workpiece is conveyed between the first conveying assembly and the second conveying assembly, the first conveying assembly or the second conveying assembly is in butt joint with a conveying mechanism on the second conveying device, the turnover frame is connected with a power assembly, and the power assembly acts to enable the turnover frame to drive the first conveying assembly and the second conveying assembly to turn over and exchange positions, so that the workpiece is turned over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122704687.5U CN216248759U (en) | 2021-11-05 | 2021-11-05 | Double-row double-side exposure machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122704687.5U CN216248759U (en) | 2021-11-05 | 2021-11-05 | Double-row double-side exposure machine |
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| Publication Number | Publication Date |
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| CN216248759U true CN216248759U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122704687.5U Active CN216248759U (en) | 2021-11-05 | 2021-11-05 | Double-row double-side exposure machine |
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- 2021-11-05 CN CN202122704687.5U patent/CN216248759U/en active Active
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