CN221303812U - PCB base plate exposure lamp house and exposure machine thereof - Google Patents

Abstract

The utility model discloses a PCB substrate exposure lamp box and an exposure machine thereof, comprising: the device comprises a rack and a lampshade mechanism arranged on the rack, wherein an exposure lamp panel mechanism is arranged in the lampshade mechanism and used for exposure processing of a PCB substrate; the exposure lamp plate mechanism comprises two first hydraulic telescopic rods, and the two first hydraulic telescopic rods are respectively provided with a bracket which spans over the frame through mounting blocks arranged at telescopic ends of the two first hydraulic telescopic rods; the device also comprises two first hinging pieces and two second hinging pieces, wherein the two first hinging pieces and the two second hinging pieces are respectively arranged oppositely and are distributed in a diamond shape, and a mounting rod is arranged between the adjacent first hinging pieces and the second hinging pieces; the lower surfaces of the four mounting plates are respectively provided with an exposure lamp panel for irradiating the PCB substrate. The utility model can realize the parallel irradiation and the spot irradiation effects of the PCB substrate by the form switching of the exposure lamp plate according to the exposure requirement of the PCB substrate, and has strong design practicability and wide application range.

Description

PCB base plate exposure lamp house and exposure machine thereof

Technical Field

The utility model relates to the technical field of exposure of PCB substrates, in particular to a PCB substrate exposure lamp box and an exposure machine thereof.

Background

The PCB exposure machine is an indispensable device for manufacturing a PCB of a printed circuit board in modern times, in the manufacturing process of the printed circuit board, one of the most critical procedures is to transfer a negative image onto a copper-clad substrate, and the existing PCB exposure machine is used for carrying out parallel light irradiation on the PCB, but aiming at a metal substrate or a heat-conducting ceramic substrate with a smaller area, a high-power exposure requirement is required, so that a condensing light source is required to be used for ensuring the exposure effect, and in order to improve the practicability and the application range of the PCB exposure machine, a PCB substrate exposure lamp box and an exposure machine thereof are provided.

Disclosure of utility model

The utility model aims to provide a PCB substrate exposure lamp box and an exposure machine thereof, the device can realize the parallel irradiation and the spot irradiation effects of the PCB substrate by switching the form of an exposure lamp plate according to the exposure requirement of the PCB substrate, and the design has strong practicability and wide application range.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a PCB substrate exposure light box comprising: the device comprises a rack and a lampshade mechanism arranged on the rack, wherein an exposure lamp panel mechanism is arranged in the lampshade mechanism and used for exposure processing of a PCB substrate; the exposure lamp plate mechanism comprises two first hydraulic telescopic rods, and the two first hydraulic telescopic rods are respectively provided with a bracket which spans over the frame through mounting blocks arranged at telescopic ends of the two first hydraulic telescopic rods; the two first hinging pieces and the two second hinging pieces are respectively arranged oppositely and are distributed in a diamond shape, and mounting rods are arranged between the adjacent first hinging pieces and the second hinging pieces, each mounting rod is also fixedly provided with a mounting plate, and the side walls of the two mounting plates at the positions along the diagonal of the first hinging piece are hinged; the movable block is arranged at the two ends of the support, the two first hinge parts are respectively arranged on the upper surfaces of the fixed block and the movable block, a second hydraulic telescopic rod is arranged in the support where the movable block is located, and the second hydraulic telescopic rod is used for driving the movable block to move in a telescopic manner so that the four mounting plates are in a plane or gathering state; the lower surfaces of the four mounting plates are respectively provided with an exposure lamp panel for irradiating the PCB substrate.

Preferably, the lampshade mechanism comprises bases fixed on two sides of the frame respectively, and a box body arranged on the two bases, and the box body covers the upper portion of the frame.

Preferably, the inner top of the box body is also provided with a hydraulic telescopic rod, and the telescopic end of the hydraulic telescopic rod is fixedly provided with a lamp body.

An exposure machine is applied to the PCB substrate exposure lamp box: the exposure machine comprises two mounting frames and sliding rails respectively arranged on opposite surfaces of the two mounting frames, and two sliding blocks are slidably arranged in each sliding rail; the PCB comprises a PCB substrate, a folding frame structure arranged between two groups of sliding blocks, and a placement platform arranged at the top of the folding frame structure, wherein the placement platform is used for placing the PCB substrate; and the transmission assembly is arranged between each mounting frame and the folding frame structure and is used for switching the folding frame structure in an expanding state and a folding state.

Preferably, the folding frame structure comprises first pin shafts arranged on the side walls of the sliding blocks, first transmission bars rotatably connected to the first pin shafts, second pin shafts rotatably connected to the end parts of the first transmission bars far away from the first pin shafts, and connecting pieces fixed to the inner side ends of the first pin shafts, wherein the placing platform is arranged on the connecting pieces where the second pin shafts are located; the second transmission bars are rotationally connected to the first pin shafts on which the two sliding blocks on the same side are positioned, and a third transmission bar is fixed between the two second transmission bars; the electric telescopic rod is transversely arranged on the support frame, and the telescopic end of the electric telescopic rod is fixedly connected with the third transmission bar.

Preferably, each group of transmission assembly comprises a transmission plate fixed at the top of each mounting frame, and the lower edge of the transmission plate is provided with a transmission groove, and the transmission groove is composed of a horizontal sliding groove and a U-shaped groove with a downward opening; the folding frame structure is in a folding state when the driving wheel close to one side of the support frame slides in the sliding groove where the driving plate is located, and is in an expanding state when the driving wheel close to one side of the support frame slides further and reaches the inside of the U-shaped groove.

Preferably, the placing platform comprises a placing table and a sucker arranged in the middle of the placing table.

Compared with the prior art, the utility model has the following beneficial effects:

when the movable block slides in the bracket, namely under the power provided by the second hydraulic telescopic rod, the first hinging piece where the movable block is positioned is driven to lift or descend when the first hinging piece where the fixed block is positioned is close to or far away from the first hinging piece, and further the two hinged mounting plates are driven to change in shape, so that the exposure lamp panel on the lower surface of the mounting plate adjusts the irradiation angle, when the mounting plate is in a plane state, the state can carry out parallel irradiation on the PCB substrate, and when the two groups of hinged mounting plates are switched from the plane-gathering state, the irradiation focusing point of the exposure lamp panel on the PCB substrate can be adjusted.

Drawings

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

FIG. 2 is a schematic view of the disassembled structure of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure of FIG. 2;

FIG. 4 is a schematic perspective view of the structure of FIG. 3;

FIG. 5 is a schematic view of a partial enlarged structure of FIG. 3;

FIG. 6 is an enlarged schematic view of the exposure lamp panel mechanism;

FIG. 7 is a schematic view of an embodiment of the placement stage and suction cup assembly.

In the figure: 1. a base; 2. a case; 3. a frame; 4. a drive plate; 5. an electric telescopic rod; 6. a mounting frame; 7. a slide rail; 8. a support frame; 9. a lamp body; 10. a first hydraulic telescoping rod; 11. a mounting block; 12. a bracket; 13. a first hinge; 14. a second hinge; 15. a slide block; 16. a mounting rod; 17. a mounting plate; 18. a second hydraulic telescoping rod; 19. a driving wheel; 20. a connecting piece; 21. a first transmission bar; 23. a U-shaped groove; 24. a placement table; 25. a suction cup; 26. a second transmission bar; 27. and a third transmission bar.

Detailed Description

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 7, the present utility model preferably provides the following technical solutions: a PCB substrate exposure light box comprising: the device comprises a frame 3 and a lampshade mechanism arranged on the frame 3, wherein an exposure lamp panel mechanism is arranged in the lampshade mechanism and used for exposure processing of a PCB substrate; the exposure lamp plate mechanism comprises two first hydraulic telescopic rods 10, and the two first hydraulic telescopic rods 10 are respectively provided with a bracket 12 which spans over the frame 3 through mounting blocks 11 arranged at telescopic ends of the two first hydraulic telescopic rods; the two first hinging pieces 13 and two second hinging pieces 14 are respectively arranged oppositely and distributed in a diamond shape, and mounting rods 16 are arranged between the adjacent first hinging pieces 13 and second hinging pieces 14, each mounting rod 16 is also fixedly provided with a mounting plate 17, and the side walls of the two mounting plates 17 at the positions along the diagonal line of the first hinging piece 13 are hinged; the movable block is arranged at the two ends of the bracket 12, two first hinging pieces 13 are respectively arranged on the upper surfaces of the fixed block and the movable block, a second hydraulic telescopic rod 18 is arranged in the bracket 12 where the movable block is arranged, and the second hydraulic telescopic rod 18 is used for driving the movable block to move in a telescopic manner so that the four mounting plates 17 are in a plane or gathering state; the lower surfaces of the four mounting plates 17 are provided with exposure lamp panels for illuminating the PCB substrate.

In this embodiment, when the PCB substrate is placed under the exposure lamp plate mechanism and placed in the lamp cover mechanism, the exposure lamp plate mechanism can perform exposure treatment on the PCB substrate, specifically, as shown in fig. 2 and 5, the bracket 12 where the exposure lamp plate mechanism is located spans over the frame 3, the movable block and the fixed block where the bracket 12 is located are respectively connected with the two first hinge pieces 13, the two first hinge pieces 13 and the second hinge pieces 14 are respectively arranged opposite to each other and are distributed in a diamond shape, as shown in fig. 5 and 6, in addition, mounting plates 17 are further arranged on the mounting rods 16 between the adjacent first hinge pieces 13 and second hinge pieces 14, and the side walls of the two mounting plates 17 along the diagonal line of the first hinge pieces 13 are hinged, so that when the movable block slides in the bracket 12, namely, under the power provided by the second hydraulic telescopic rod 18, when the first hinge piece 13 where the movable block is located approaches or is far away from the first hinge piece 13 where the fixed block is located, the two second hinge pieces 14 are driven to rise or fall, and further the two hinged mounting plates 17 are driven to change in shape, so that the exposure lamp panels on the lower surfaces of the mounting plates 17 adjust the irradiation angle, when the mounting plates 17 are in a planar state, as shown in fig. 6, the state can carry out parallel irradiation on the PCB substrate, and when the two hinged mounting plates 17 are switched from a planar-gathering state, the irradiation focusing point of the exposure lamp panels on the PCB substrate can be adjusted, and the process can be switched according to the exposure requirement of the PCB substrate through the form of the exposure lamp panels, so that the parallel irradiation and focusing point irradiation effect of the PCB substrate can be realized.

Further, the lampshade mechanism comprises bases 1 fixed on two sides of the frame 3 respectively, and a box body 2 arranged on the two bases 1, and the box body 2 covers the upper side of the frame 3.

Here, as shown in fig. 1 and 2, the first hydraulic telescopic rod 10 is disposed at the upper portion of the base 1 and is disposed inside the case 2, so that the mounting plate 17 is disposed inside the case 2, and thus the PCB substrate is exposed inside the case 2.

Example 2

As a further exposure processing mode of the PCB substrate, a hydraulic telescopic rod is further arranged at the inner top of the box body 2, and a lamp body 9 is fixedly arranged at the telescopic end of the hydraulic telescopic rod.

Here, as shown in fig. 5 and 6, the lamp body 9 is disposed above the middle of the bracket 12, and when the mounting board 17 is switched from the horizontal state to the gathering state, that is, the PCB substrate is irradiated with the gathering point, the lamp body 9 can further expose the PCB substrate, so as to ensure the exposure quality of the PCB substrate.

Example 3

As another embodiment of the present utility model, an exposure machine is applied to the above-mentioned exposure lamp box for PCB substrate: the exposure machine comprises two mounting frames 6 and sliding rails 7 respectively arranged on opposite surfaces of the two mounting frames 6, and two sliding blocks 15 are slidably arranged in each sliding rail 7; the PCB further comprises a folding frame structure arranged between the two groups of sliding blocks 15, and a placement platform is arranged at the top of the folding frame structure and used for placing the PCB substrate; and a transmission assembly arranged between each mounting frame 6 and the folding frame structure, wherein the transmission assembly is used for switching the expansion state and the folding state of the folding frame structure.

Here, as shown in fig. 4 and 5, the folding frame structure is disposed between the two sets of sliding blocks 15, and the placement platform disposed at the top of the folding frame structure is used for placing the PCB substrate, specifically, under the effective cooperation of the transmission component and the folding frame structure, the placement platform has a lowering and lifting process, when the placement platform descends, the placement platform is convenient for taking and placing the PCB substrate, and when the placement platform lifts and is placed in the box 2, the exposure lamp panel mechanism is convenient for exposing the PCB substrate.

Further, the folding frame structure comprises first pin shafts arranged on the side walls of each sliding block 15, first transmission strips 21 rotatably connected to each first pin shaft, second pin shafts rotatably connected to the end parts of the first transmission strips 21 far away from the first pin shafts, connecting pieces 20 fixed to the inner side ends of each first pin shaft, and a placement platform mounted on the connecting pieces 20 where the second pin shafts are located; the second transmission strips 26 are rotatably connected to the first pin shafts on which the two sliding blocks 15 are positioned at the same side, and a third transmission strip 27 is fixed between the two second transmission strips 26; the electric telescopic rod is characterized by further comprising a support frame 8 fixed on one side of the frame 3 close to the mounting frame 6, an electric telescopic rod 5 is transversely arranged on the support frame 8, and the telescopic end of the electric telescopic rod 5 is fixedly connected with a third transmission bar 27.

Here, one end of the first transmission bar 21 is rotationally connected with the sliding blocks 15 through a first pin shaft, the other end of the first transmission bar is rotationally connected with the connecting pieces 20 through a second pin shaft, the placement platform is fixed at the top of the four connecting pieces 20, the first pin shafts on which the two sliding blocks 15 on the same side are located are rotationally connected with the second transmission bars 26, and a third transmission bar 27 fixed between the two second transmission bars 26 is fixed with the telescopic ends of the electric telescopic rods 5, so that when the electric telescopic rods 5 move in a telescopic manner, the sliding blocks 15 can slide in the sliding rails 7, and under the action of a transmission assembly, the first transmission bars 21 deflect by taking the corresponding first pin shafts as axes, so that the folding state and the expansion state of the folding frame structure are switched, and the placement platform is provided with a lifting and descending process;

As shown in fig. 2, the electric telescopic rod 5 is extended, so that when the folding frame structure moves forward towards the direction of the box body 2 and is placed under the box body 2, the folding frame structure expands to lift the placing platform to the inside of the box body 2, and the exposure process of the PCB substrate is realized; when the electric telescopic rod 5 is retracted, namely the sliding block 15 moves backwards, the placing platform is driven to descend and moves backwards in a direction away from the box body 2, and the PCB substrate is conveniently taken and placed.

Further, each group of transmission assembly comprises a transmission plate 4 fixed on the top of each mounting frame 6, and the lower edge of the transmission plate 4 is provided with a transmission groove which is formed by a horizontal sliding groove and a U-shaped groove 23 with a downward opening; the folding frame structure is in a folding state when the driving wheel 19 close to one side of the support frame 8 slides in the chute where the driving plate 4 is located, and is in an expanding state when the driving wheel 19 close to one side of the support frame 8 slides further and reaches the inside of the U-shaped groove 23.

As shown in fig. 4 and 5, since the lower edge of the driving plate 4 is respectively provided with a chute and a U-shaped groove 23 with a downward opening, when the electric telescopic rod 5 stretches, the four driving wheels 19 slide in the chute where the driving plate 4 is located, the folding frame structure is in a folded state, when the electric telescopic rod 5 stretches further, namely, the driving wheel 19 far away from the supporting frame 8 spans the U-shaped groove 23, and when the driving wheel 19 near the supporting frame 8 enters the inside of the U-shaped groove 23, the folding frame structure moves forward to the lower part of the box body 2 and expands, so that a placing platform arranged under the exposure lamp plate mechanism is lifted, and it is worth noting that the upper edge of the U-shaped groove 23 is arranged above the lower edge of the box body 2, as shown in fig. 2, so that the placing platform is completely arranged in the inside of the box body 2 after lifting, and similarly, when the electric telescopic rod 5 retracts, the folding frame structure is folded and moves backward.

Further, the placement platform comprises a placement table 24 and a sucker 25 detachably mounted on the placement table 24 for adsorbing and fixing the PCB substrate.

Preferably, as shown in fig. 7, the placement table 24 is provided with a plurality of jacks and inserting columns arranged at the bottom of the suction cup 25, and when the inserting columns where the suction cup 25 is inserted into different jack positions, the positions of the suction cup 25 can be selectively installed, so that the position adjustment of the PCB substrate under parallel exposure and focused exposure is satisfied.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The detachable mounting mode is various, for example, the detachable mounting mode can be matched with the buckle through plugging, for example, the detachable mounting mode can be realized through a bolt connection mode, and the like.

The conception, specific structure, and technical effects produced by the present utility model are clearly and completely described above in connection with the embodiments and the drawings so as to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.

The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims (7)

1. A PCB substrate exposure light box, comprising:

The device comprises a frame (3) and a lampshade mechanism arranged on the frame (3), wherein an exposure lamp panel mechanism is arranged in the lampshade mechanism and used for exposure processing of a PCB substrate;

The exposure lamp plate mechanism comprises two first hydraulic telescopic rods (10), and the two first hydraulic telescopic rods (10) are respectively provided with a bracket (12) which spans over the frame (3) through mounting blocks (11) arranged at telescopic ends of the two first hydraulic telescopic rods;

The two first hinging pieces (13) and two second hinging pieces (14) are respectively arranged oppositely and are distributed in a diamond shape, and mounting rods (16) are arranged between the adjacent first hinging pieces (13) and the second hinging pieces (14), each mounting rod (16) is further fixedly provided with a mounting plate (17), and the side walls of the two mounting plates (17) at the positions along the diagonal line of the first hinging piece (13) are hinged;

The movable hydraulic telescopic device is characterized by further comprising a fixed block and a movable block which are respectively arranged at two ends of the support (12), wherein two first hinging pieces (13) are respectively arranged on the upper surfaces of the fixed block and the movable block, a second hydraulic telescopic rod (18) is arranged in the support (12) where the movable block is positioned, and the second hydraulic telescopic rod (18) is used for driving the movable block to move in a telescopic manner so as to enable the four mounting plates (17) to be in a plane or gathering state;

The lower surfaces of the four mounting plates (17) are respectively provided with an exposure lamp panel for irradiating the PCB substrate.

2. The PCB substrate exposure light box of claim 1, wherein:

The lampshade mechanism comprises bases (1) which are respectively fixed on two sides of the frame (3), and box bodies (2) which are arranged on the two bases (1), and the box bodies (2) are covered above the frame (3).

3. The PCB substrate exposure light box of claim 2, wherein:

The inner top of the box body (2) is also provided with a hydraulic telescopic rod, and the telescopic end of the hydraulic telescopic rod is fixedly provided with a lamp body (9).

4. A PCB substrate exposure machine applied to a PCB substrate exposure light box as claimed in any one of claims 1 to 3, characterized in that:

The exposure machine comprises two mounting frames (6) and sliding rails (7) respectively arranged on opposite surfaces of the two mounting frames (6), and two sliding blocks (15) are slidably arranged in each sliding rail (7);

The PCB further comprises a folding frame structure arranged between the two groups of sliding blocks (15), and a placement platform is arranged at the top of the folding frame structure and used for placing the PCB substrate;

And a transmission assembly arranged between each mounting frame (6) and the folding frame structure, wherein the transmission assembly is used for switching the folding frame structure between an expanded state and a folded state.

5. The exposure apparatus according to claim 4, wherein:

The folding frame structure comprises first pin shafts arranged on the side walls of the sliding blocks (15), first transmission strips (21) rotatably connected to the first pin shafts, second pin shafts rotatably connected to the end parts, far away from the first pin shafts, of the first transmission strips (21), connecting pieces (20) fixed to the inner side ends of the first pin shafts, and the placing platform is arranged on the connecting pieces (20) where the second pin shafts are located;

The second transmission strips (26) are rotatably connected to the first pin shafts on which the two sliding blocks (15) on the same side are positioned, and a third transmission strip (27) is fixed between the two second transmission strips (26);

The electric telescopic device is characterized by further comprising a support frame (8) fixed on one side of the frame (3) close to the mounting frame (6), an electric telescopic rod (5) is transversely arranged on the support frame (8), and the telescopic end of the electric telescopic rod (5) is fixedly connected with a third transmission bar (27).

6. The exposure apparatus according to claim 4, wherein:

Each group of transmission assembly comprises a transmission plate (4) fixed at the top of each mounting frame (6), and the lower edge of the transmission plate (4) is provided with a transmission groove which is formed by a horizontal sliding groove and a U-shaped groove (23) with a downward opening;

the folding frame structure is in a folding state when the driving wheel (19) close to one side of the support frame (8) slides in the chute where the driving plate (4) is located, and is in an expanding state when the driving wheel (19) close to one side of the support frame (8) slides further and reaches the inside of the U-shaped groove (23).

7. The exposure apparatus according to claim 4, wherein:

The placing platform comprises a placing table (24) and a sucker (25) arranged in the middle of the placing table (24).