Pressing plate fixing device for porous vacuum chuck

Abstract

The utility model discloses a pressure plate fixing device for a porous vacuum sucker, which comprises a vacuum porous sucker, a PCB (printed circuit board) is mounted on the vacuum porous sucker in an adsorption manner, a fixed pressure plate component and a movable pressure plate component are mounted at two ends of the vacuum porous sucker respectively, and guide rails are fixedly mounted on two side surfaces of the vacuum porous sucker respectively. The fixed pressing plate assembly comprises a first pressing plate, a PCB is installed on the vacuum porous suction cup in an adsorption mode, the first pressing plate and the second pressing plate can be vertically adjusted, the distance between two first right-angle pressing blocks and two second right-angle pressing blocks is adjusted in a sliding mode, the two first right-angle pressing blocks and the two second right-angle pressing blocks are arranged at the four corners of the PCB respectively, and the PCBs 2 with different thicknesses and widths can be pressed. And the PCB can be buffered and protected through the right-angle base plate, the second pressing plate can be adjusted in a horizontal sliding mode along the guide rail along with the vertical rail, then the PCBs of different lengths can be positioned, use is convenient, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of wood processing, in particular to a pressing plate fixing device for a porous vacuum suction cup. Background Art

[0002] When using a direct-write lithography machine for PCB platemaking, the exposure surface of the PCB must be extremely flat due to the inherent depth of focus of the lithography machine. However, when a porous vacuum suction cup is used to adsorb and install PCB boards, the edges of the PCB boards may warp due to various reasons, such as insufficient adsorption force. This leads to insufficient exposure surface at the edges of the PCB boards. Therefore, after the PCB boards are adsorbed and installed, the edges of the PCB boards need to be flattened using a pressure plate.

[0003] PCB boards have different widths, lengths, and thicknesses due to different models. In order to effectively position and hold the PCB boards, a flexible and adjustable pressure plate structure is required to hold the edges of the PCB boards. Utility Model Content

[0004] The purpose of the present utility model is to provide a pressing plate fixing device for a porous vacuum suction cup to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a pressure plate fixing device for a porous vacuum suction cup, comprising a vacuum porous suction cup, a PCB board being adsorbed and mounted on the vacuum porous suction cup, a fixed pressure plate assembly and a movable pressure plate assembly being respectively mounted at both ends of the vacuum porous suction cup, a guide rail being fixedly mounted on both side surfaces of the vacuum porous suction cup, vertical rails being slidably mounted on the guide rails, the fixed pressure plate assembly comprising a first pressure plate, two first right-angle pressure blocks being slidably mounted on the first pressure plate, a first right-angle pad being threadedly mounted on the bottom surface of the first right-angle pressure block, a positioning mechanism being mounted on the first pressure plate, the movable pressure plate assembly comprising a second pressure plate, two ends of the second pressure plate being slidably connected to the vertical rails, two second right-angle pressure blocks being slidably mounted on the second pressure plate, a second right-angle pad being threadedly mounted on the bottom surface of the second right-angle pressure block.

[0006] Preferably, the positioning mechanism includes a second servo electric cylinder and a second servo motor, the housing of the second servo motor is fixedly connected to the piston rod of the second servo electric cylinder and the first pressure plate, the output end of the second servo electric cylinder is transmission-connected to the first bevel gear, the first bevel gear is meshingly connected to two second bevel gears, the second bevel gears are respectively fixed with a second screw rod, the second screw rod is rotatably connected to the first pressure plate, and the second screw rod is threadedly connected to the first right-angle pressure block.

[0007] Preferably, two guide blocks and one fixed block are fixed on the vacuum porous suction cup, the fixed block is fixedly connected to the bottom end of the second servo electric cylinder, two connecting blocks are fixed on the first pressure plate, a guide rod is fixed on the bottom surface of the connecting block, and the guide rod is slidably inserted into the guide block.

[0008] Preferably, the first right-angle pad and the second right-angle pad are both made of rubber, and the two first right-angle pads and the two second right-angle pads are distributed in a rectangular shape.

[0009] Preferably, a first servo motor is fixedly installed at one end of the guide rail, and the output end of the first servo motor is transmission-connected to a first screw rod, the first screw rod is rotatably connected to the guide rail, the first screw rod is threadedly connected to the vertical rail, and a first servo electric cylinder is fixedly provided on the upper surface of the vertical rail, and the piston rod of the first servo electric cylinder is movably inserted in the guide groove of the vertical rail and fixedly connected to the end of the second pressure plate.

[0010] Preferably, a third servo motor is fixedly mounted on one end of the second pressure plate, the piston rod of the third servo motor is transmission-connected to a pitch-adjusting screw, the pitch-adjusting screw is rotationally connected to the second pressure plate, and the pitch-adjusting screw is threadedly connected to two second right-angle pressure blocks.

[0011] Preferably, the pitch-adjusting screw is provided with two sections of thread grooves, and the thread directions are opposite.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the PCB board is adsorbed and installed on the vacuum porous suction cup, the first pressing plate and the second pressing plate can be adjusted vertically, and the two first right-angle pressing blocks and the two second right-angle pressing blocks can be slid to adjust the distance and are respectively arranged at the four corners of the PCB board, so that PCB boards 2 of different thicknesses and widths can be pressed, and the right-angle pad can be used to buffer and protect the PCB board, and the second pressing plate can be adjusted horizontally along the guide rail with the vertical rail, and then PCB boards of different lengths can be positioned. It is easy to use and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the vacuum porous suction cup of the utility model;

[0015] Figure 3 This is a schematic diagram of the decomposition of the fixed pressure plate assembly and the movable pressure plate assembly of the present invention;

[0016] Figure 4 For this utility model Figure 3 A schematic diagram of the structure at center A;

[0017] Figure 5 For this utility model Figure 3A magnified schematic diagram of the structure at point B.

[0018] In the figure: 1. Vacuum porous suction cup; 11. Guide block; 12. Fixed block; 2. PCB board; 3. Fixed pressure plate assembly; 31. First pressure plate; 32. Connecting block; 33. Guide rod; 34. First right-angle pressure block; 35. First right-angle pad; 4. Guide rail; 41. First servo motor; 42. First lead screw; 43. Vertical rail; 44. First servo electric cylinder; 5. Movable pressure plate assembly; 51. Second pressure plate; 52. Second right-angle pressure block; 53. Second right-angle pad; 6. Positioning mechanism; 61. Second servo electric cylinder; 62. Second servo motor; 63. First bevel gear; 64. Second bevel gear; 65. Second lead screw; 7. Third servo motor; 72. Pitch-adjusting screw. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figures 1 to 5 The utility model provides a technical solution: a pressure plate fixing device for a porous vacuum suction cup, comprising a vacuum porous suction cup 1, a PCB board 2 is adsorbed and mounted on the vacuum porous suction cup 1, a fixed pressure plate assembly 3 and a movable pressure plate assembly 5 are respectively mounted on both ends of the vacuum porous suction cup 1, a guide rail 4 is fixedly mounted on both sides of the vacuum porous suction cup 1, a vertical rail 43 is slidably mounted on the guide rail 4, the fixed pressure plate assembly 3 comprises a first pressure plate 31, two first right-angle pressure blocks 34 are slidably mounted on the first pressure plate 31, a first right-angle pad 35 is threadedly mounted on the bottom surface of the first right-angle pressure block 34, a positioning mechanism 6 is mounted on the first pressure plate 31, the movable pressure plate assembly 5 comprises a second pressure plate 51, both ends of the second pressure plate 51 are slidably connected to the vertical rail 43, two second right-angle pressure blocks 52 are slidably mounted on the second pressure plate 51, and a second right-angle pad 53 is threadedly mounted on the bottom surface of the second right-angle pressure block 52;

[0021] The vacuum porous suction cup 1 is an important equipment of the photolithography machine. The PCB board 2 is installed by adsorption through the suction cup. In order to avoid the warping of the four sides of the PCB board 2, one end of the PCB board 2 is pressed by two first right-angle pressing blocks 34 on the first pressing plate 31. The first right-angle pressing block 34 achieves a buffering effect through the first right-angle pad 35 to protect the pressed PCB board 2. Two second right-angle pressing blocks 52 are slidably installed on the second pressing plate 51 in the movable pressing plate assembly 5, which can achieve the pressing treatment of the other end of the PCB board 2, and the second right-angle pad 53 is used to achieve buffering and protection treatment. The second pressing plate 51 can be horizontally slid and adjusted along the guide rail 4 with the vertical rail 43. The first pressing plate 31 and the second pressing plate 51 can achieve the purpose of vertical adjustment, and then can adapt to the different thicknesses, lengths and widths of the positioning PCB boards 2.

[0022] In the specific implementation process, Figure 3 and Figure 4 As shown, the positioning mechanism 6 includes a second servo electric cylinder 61 and a second servo motor 62. The housing of the second servo motor 62 is fixedly connected to the piston rod of the second servo electric cylinder 61 and the first pressure plate 31. The output end of the second servo electric cylinder 61 is transmission-connected to the first bevel gear 63. The first bevel gear 63 is meshingly connected to two second bevel gears 64. The second bevel gears 64 are respectively fixed with second screw rods 65. The second screw rod 65 is rotationally connected to the first pressure plate 31, and the second screw rod 65 is threadedly connected to the first right-angle pressure block 34. The second servo motor 62 drives the first bevel gear 63 to rotate, so that the two second bevel gears 64 rotate synchronously in the opposite direction. The second screw rod 65 can be used to make the two first right-angle pressure blocks 34 slide synchronously in the opposite direction along the first pressure plate 31.

[0023] In the specific implementation process, Figure 2 and Figure 3 As shown, two guide blocks 11 and a fixed block 12 are fixedly provided on the vacuum porous suction cup 1, and the fixed block 12 is fixedly connected to the bottom end of the second servo electric cylinder 61. Two connecting blocks 32 are fixedly provided on the first pressure plate 31, and a guide rod 33 is fixedly provided on the bottom surface of the connecting block 32. The guide rod 33 is slidably inserted into the guide block 11. When the first pressure plate 31 slides vertically, the two guide rods 33 are slidably inserted along the guide block 11, so that the first pressure plate 31 can stably move vertically.

[0024] In the specific implementation process, Figure 1 and Figure 3 As shown, the first right-angle pad 35 and the second right-angle pad 53 are both made of rubber. The two first right-angle pads 35 and the two second right-angle pads 53 are distributed in a rectangular shape. The first right-angle pad 35 and the second right-angle pad 53 are both made of rubber. Then, when the first right-angle pad 35 and the second right-angle pad 53 press the PCB board 2, a buffered pressing of the PCB board 2 can be achieved.

[0025] In the specific implementation process, Figure 1 and Figure 4 As shown, a first servo motor 41 is fixedly installed at one end of the guide rail 4, and the output end of the first servo motor 41 is transmission-connected to a first screw rod 42, the first screw rod 42 is rotationally connected to the guide rail 4, the first screw rod 42 is threadedly connected to the vertical rail 43, and a first servo electric cylinder 44 is fixedly provided on the upper surface of the vertical rail 43, the piston rod of the first servo electric cylinder 44 is movably inserted into the guide groove of the vertical rail 43, and is fixedly connected to the end of the second pressure plate 51. The first servo motor 41 drives the first screw rod 42 to rotate, so that the vertical rail 43 can be horizontally slidably adjusted along the guide rail 4, and the piston rod of the first servo electric cylinder 44 can drive the second pressure plate 51 to vertically adjust along the vertical rail 43.

[0026] In the specific implementation process, Figure 3 and Figure 5 As shown, a third servo motor 7 is fixedly installed at one end of the second pressure plate 51, and the piston rod of the third servo motor 7 is transmission-connected with a pitch-adjusting screw 72, the pitch-adjusting screw 72 is rotationally connected to the second pressure plate 51, and the pitch-adjusting screw 72 is threadedly connected to the two second right-angle pressure blocks 52. The third servo motor 7 drives the pitch-adjusting screw 72 to rotate, so that the two second right-angle pressure blocks 52 can slide synchronously in opposite directions along the second pressure plate 51.

[0027] In the specific implementation process, Figure 3 and Figure 5 As shown, the pitch-adjusting screw 72 is provided with two sections of thread grooves with opposite thread directions. By providing the two sections of thread grooves with opposite thread directions, the pitch-adjusting screw 72 can realize the synchronous opposite sliding of the two second right-angle pressing blocks 52 along the second pressing plate 51.

[0028] The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressing plate fixing device for a porous vacuum suction cup, comprising a vacuum porous suction cup (1), characterized in that: A PCB board (2) is adsorbed and mounted on the vacuum porous suction cup (1), and a fixed pressure plate assembly (3) and a movable pressure plate assembly (5) are respectively mounted at both ends of the vacuum porous suction cup (1). A guide rail (4) is fixedly mounted on both side surfaces of the vacuum porous suction cup (1), and a vertical rail (43) is slidably mounted on the guide rail (4). The fixed pressure plate assembly (3) includes a first pressure plate (31), two first right-angle pressure blocks (34) are slidably mounted on the first pressure plate (31), and a first right-angle pad (35) is threadedly mounted on the bottom surface of the first right-angle pressure block (34). A positioning mechanism (6) is mounted on the first pressure plate (31), and the movable pressure plate assembly (5) includes a second pressure plate (51), two ends of the second pressure plate (51) are slidably connected to the vertical rail (43), two second right-angle pressure blocks (52) are slidably mounted on the second pressure plate (51), and a second right-angle pad (53) is threadedly mounted on the bottom surface of the second right-angle pressure block (52).

2. The device for fixing a pressure plate for a porous vacuum cup according to claim 1, wherein: The positioning mechanism (6) includes a second servo electric cylinder (61) and a second servo motor (62). The housing of the second servo motor (62) is fixedly connected to the piston rod of the second servo electric cylinder (61) and the first pressure plate (31). The output end of the second servo electric cylinder (61) is transmission-connected to a first bevel gear (63). The first bevel gear (63) is meshingly connected to two second bevel gears (64). The second bevel gears (64) are respectively fixed with second screw rods (65). The second screw rods (65) are rotationally connected to the first pressure plate (31), and the second screw rods (65) are threadedly connected to the first right-angle pressure block (34).

3. The device for fixing a pressure plate for a porous vacuum cup according to claim 2, wherein: Two guide blocks (11) and a fixed block (12) are fixedly provided on the vacuum porous suction cup (1), and the fixed block (12) is fixedly connected to the bottom end of the second servo electric cylinder (61). Two connecting blocks (32) are fixedly provided on the first pressing plate (31), and a guide rod (33) is fixedly provided on the bottom surface of the connecting block (32), and the guide rod (33) is slidably inserted into the guide block (11).

4. The device for fixing a pressure plate for a porous vacuum cup according to claim 1, wherein: The first right-angle pad (35) and the second right-angle pad (53) are both made of rubber material, and the two first right-angle pads (35) and the two second right-angle pads (53) are distributed in a rectangular shape.

5. The device for fixing a pressure plate for a porous vacuum cup according to claim 1, wherein: A first servo motor (41) is fixedly mounted on one end of the guide rail (4); an output end of the first servo motor (41) is transmission-connected to a first screw rod (42); the first screw rod (42) is rotationally connected to the guide rail (4); the first screw rod (42) is threadedly connected to the vertical rail (43); a first servo electric cylinder (44) is fixedly mounted on the upper surface of the vertical rail (43); a piston rod of the first servo electric cylinder (44) is movably inserted into a guide groove of the vertical rail (43) and fixedly connected to an end of a second pressing plate (51).

6. The device for fixing a pressure plate for a porous vacuum cup according to claim 1, wherein: A third servo motor (7) is fixedly mounted on one end of the second pressing plate (51), and a piston rod of the third servo motor (7) is transmission-connected to a pitch-adjusting screw (72), the pitch-adjusting screw (72) is rotationally connected to the second pressing plate (51), and the pitch-adjusting screw (72) is threadedly connected to the two second right-angle pressing blocks (52).

7. The device for fixing a pressure plate for a porous vacuum cup according to claim 6, wherein: The pitch-adjusting screw (72) is provided with two sections of thread grooves, and the thread directions are opposite.

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