A pressing device for PCB production

Abstract

The present invention provides a pressing device for PCB production. The pressing device for PCB production includes: a bottom plate; four supporting legs, the four supporting legs are fixedly mounted on the bottom of the bottom plate, and the four supporting legs are distributed in a rectangular array; two vertical plates, the two vertical plates are fixedly mounted on the top of the bottom plate; a horizontal plate, the horizontal plate is fixedly mounted on the top of the two vertical plates; two U-shaped rods, the two U-shaped rods are respectively fixedly mounted on the sides of the two vertical plates close to each other; two sliding blocks, the two sliding blocks are respectively slidably mounted on the corresponding U-shaped rods; a lower pressing plate, the lower pressing plate is arranged above the bottom plate, and the sides of the two sliding blocks close to each other are fixedly connected to the lower pressing plate. The pressing device for PCB production provided by the present invention has the advantages of being easy to use, easy to adjust according to needs, and improving the efficiency and tightness of printed circuit board pressing.

Description

Technical Field

[0001] The present invention relates to the technical field of PCB production, and in particular to a pressing device for PCB production. Background Art

[0002] PCB, the Chinese name for printed circuit board, is also known as printed circuit board. It is an important electronic component, a support for electronic components, and a carrier for electrical connections of electronic components. Because it is made using electronic printing technology, it is called a "printed" circuit board. Printed circuit boards can now be divided into single-sided boards, double-sided boards, and multi-layer boards according to the number of layers. In the production process of multi-layer boards, multiple circuit boards need to be stacked up and pressed together by pressing equipment.

[0003] However, in the prior art, the operation of the printed circuit board pressing equipment is relatively cumbersome, and the cost of the printed circuit board pressing equipment is relatively expensive. For some smaller manufacturers, the cost is relatively high, and the pressing equipment is relatively rigid to use and cannot be adjusted as needed to adapt to printed circuit boards of different specifications, and is not flexible enough to use.

[0004] Therefore, it is necessary to provide a new pressing device for PCB production to solve the above technical problems. Summary of the invention

[0005] The technical problem solved by the present invention is to provide a PCB production pressing device which is easy to use, can be adjusted according to needs, and improves the efficiency and tightness of printed circuit board pressing.

[0006] In order to solve the above technical problems, the present invention provides a pressing device for PCB production, which includes: a bottom plate; four supporting legs, which are fixedly mounted on the bottom of the bottom plate and are distributed in a rectangular array; two vertical plates, which are fixedly mounted on the top of the bottom plate; a horizontal plate, which is fixedly mounted on the top of the two vertical plates; two U-shaped rods, which are respectively fixedly mounted on the sides of the two vertical plates close to each other; two sliding blocks, which are respectively slidably mounted on the corresponding U-shaped rods; a lower pressing plate, which is arranged above the bottom plate, and the sides of the two sliding blocks close to each other are fixedly connected to the lower pressing plate; a placing plate, which is fixedly mounted on the top of the bottom plate; a welding block, which is fixedly mounted on the top of the horizontal plate; a rotating cylinder, which is rotatably mounted on the welding block; a first motor, which is arranged on the top of the horizontal plate; two ring gears, which are respectively fixedly mounted on the output shaft of the first motor and the rotating cylinder, and the two ring gears are meshed with each other.

[0007] Preferably, a threaded rod is threadedly mounted on the rotating cylinder, and the top end and the bottom end of the threaded rod both extend outside the rotating cylinder.

[0008] Preferably, a vertical rod is threadedly installed on the threaded rod, both ends of the vertical rod extend outside the threaded rod, a positioning block is rotatably installed on the bottom end of the vertical rod, the positioning block is fixedly installed on the top of the lower pressure plate, an adjusting rod is threadedly installed on the positioning block, and the adjusting rod is threadedly connected to the vertical rod.

[0009] Preferably, a snap-in groove is provided on the top of the positioning block, a transfer bearing is fixedly installed on the inner wall of the snap-in groove, the inner ring of the transfer bearing is fixedly sleeved on the vertical rod, through holes are provided on the positioning block and the vertical rod, the inner walls of the two through holes are provided with internal threads, the adjusting rod is provided with external threads, and the adjusting rod is in contact with the inner wall threads of the two through holes.

[0010] Compared with the related art, the PCB production pressing device provided by the present invention has the following beneficial effects:

[0011] The present invention provides a pressing device for PCB production, which facilitates adjusting the position of a lower pressing plate by manually adjusting an adjusting rod and a vertical rod, so as to press printed circuit boards of different specifications. The lower pressing plate presses the printed circuit board under the electric drive of a first motor.

[0012] In order to solve the above technical problems, the PCB production pressing device provided by the present invention includes: a low groove, which is opened at the bottom of the lower pressing plate, and a receiving rod is rotatably installed between the inner walls on both sides of the low groove, and one end of the receiving rod extends to the outside of the lower pressing plate.

[0013] Preferably, a connecting block is fixedly installed at the bottom of the lower pressure plate, a second motor is fixedly installed on the connecting block, and an output shaft of the second motor is fixedly connected to one end of the connecting rod.

[0014] Preferably, a corresponding rod is fixedly installed between the inner walls on both sides of the low groove, and two moving blocks are threadedly installed on the corresponding rod, and the two moving blocks are slidably connected to the corresponding rod.

[0015] Preferably, two lower rods are fixedly mounted on the bottom of each of the two moving blocks, and two rolling wheels are rotatably mounted between the four lower rods.

[0016] Preferably, the receiving rod is provided with external threads with opposite rotation directions at both ends, and the two moving blocks are provided with internal threads, and the two moving blocks are threadedly connected to the receiving rod.

[0017] Preferably, the tops of the two moving blocks are inlaid with rolling balls, and the two rolling balls are in rolling contact with the top inner wall of the low groove.

[0018] Compared with the related art, the PCB production pressing device provided by the present invention has the following beneficial effects:

[0019] The present invention provides a pressing device for PCB production, which drives two rolling wheels to roll on the top of a printed circuit board through a second motor, so that the various board layers of the printed circuit board are in closer contact, thereby improving the efficiency of pressing the printed circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A front view schematic diagram of the structure of the first embodiment of the PCB production pressing device provided by the present invention;

[0021] Figure 2 for Figure 1 The enlarged structural diagram of part A in the middle;

[0022] Figure 3 for Figure 1 The enlarged structural diagram of part B in the middle;

[0023] Figure 4 A front view schematic diagram of the structure of the second embodiment provided by the present invention;

[0024] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of part C.

[0025] Numbers in the figure: 1. bottom plate; 2. supporting leg; 3. vertical plate; 4. horizontal plate; 5. U-shaped rod; 6. sliding block; 7. lower pressure plate; 8. placing plate; 9. welding block; 10. rotating cylinder; 11. first motor; 12. ring gear; 13. threaded rod; 14. vertical rod; 15. positioning block; 16. adjusting rod; 17. low groove; 18. connecting rod; 19. connecting block; 20. second motor; 21. corresponding rod; 22. moving block; 23. lower rod; 24. rolling wheel. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0027] First embodiment

[0028] Please refer to Figure 1-Figure 3In the first embodiment of the present invention, the pressing device for PCB production includes: a bottom plate 1; four supporting legs 2, the four supporting legs 2 are fixedly installed at the bottom of the bottom plate 1, and the four supporting legs 2 are distributed in a rectangular array; two vertical plates 3, the two vertical plates 3 are fixedly installed on the top of the bottom plate 1; a horizontal plate 4, the horizontal plate 4 is fixedly installed on the top of the two vertical plates 3; two U-shaped rods 5, the two U-shaped rods 5 are respectively fixedly installed on the sides of the two vertical plates 3 close to each other; two sliding blocks 6, the two sliding blocks 6 are respectively slidably installed on the corresponding U-shaped rods 5 On top; a lower pressure plate 7, the lower pressure plate 7 is arranged above the bottom plate 1, and the sides of the two sliding blocks 6 that are close to each other are fixedly connected to the lower pressure plate 7; a placing plate 8, the placing plate 8 is fixedly installed on the top of the bottom plate 1; a welding block 9, the welding block 9 is fixedly installed on the top of the transverse plate 4; a rotating cylinder 10, the rotating cylinder 10 is rotatably installed on the welding block 9; a first motor 11, the first motor 11 is arranged on the top of the transverse plate 4; two ring gears 12, the two ring gears 12 are respectively fixedly installed on the output shaft of the first motor 11 and the rotating cylinder 10, and the two ring gears 12 are meshed with each other.

[0029] A threaded rod 13 is threadedly mounted on the rotating cylinder 10 , and the top end and the bottom end of the threaded rod 13 both extend outside the rotating cylinder 10 .

[0030] A vertical rod 14 is threadedly mounted on the threaded rod 13 , and both ends of the vertical rod 14 extend outside the threaded rod 13 . A positioning block 15 is rotatably mounted on the bottom end of the vertical rod 14 , and the positioning block 15 is fixedly mounted on the top of the lower pressure plate 7 . An adjusting rod 16 is threadedly mounted on the positioning block 15 , and the adjusting rod 16 is threadedly connected to the vertical rod 14 .

[0031] The top of the positioning block 15 is provided with a snap-in groove, and a transfer bearing is fixedly installed on the inner wall of the snap-in groove. The inner ring of the transfer bearing is fixedly sleeved on the vertical rod 14. The positioning block 15 and the vertical rod 14 are both provided with through holes, and the inner walls of the two through holes are both provided with internal threads. The adjusting rod 16 is provided with an external thread, and the adjusting rod 16 is in contact with the inner wall threads of the two through holes.

[0032] In this embodiment:

[0033] When the printed circuit board needs to be pressed, the position of the vertical rod 14 is first adjusted according to the thickness of the printed circuit board so as to be suitable for printed circuit boards of different specifications, the adjusting rod 16 is rotated out from the positioning block 15 and the vertical rod 14, and then the vertical rod 14 is manually rotated. The vertical rod 14 is affected by the thread and rotates on the threaded rod 13. After the threaded rod 13 is adjusted to a suitable position, the lower pressing plate 7 is pushed, so that the lower pressing plate 7 drives the two sliding blocks 6 to slide on the corresponding U-shaped rod 5, and then the adjusting rod 16 is rotated and installed into the vertical rod 14 and the positioning block. Block 15, and then place the various board layers of the printed circuit board in the placement plate 8, and then start the first motor 11. The output shaft of the first motor 11 will drive the corresponding ring gear 12 to rotate. Under the mutual cooperation of the two ring gears 12, the rotating cylinder 10 will be driven to rotate on the welding block 9. Under the influence of the thread and the restraint of the two sliding blocks 6, the threaded rod 13 will drive the vertical rod 14 to push the lower pressing plate 7 to move downward through the positioning block 15, so that the lower pressing plate 7 presses the printed circuit board and fits the various layers of the printed circuit board together.

[0034] Compared with the related art, the PCB production pressing device provided by the present invention has the following beneficial effects:

[0035] The present invention provides a pressing device for PCB production. By manually adjusting the adjusting rod 16 and the vertical rod 14, the position of the lower pressing plate 7 can be adjusted so as to press printed circuit boards of different specifications. When driven by the power of the first motor 11, the lower pressing plate 7 presses the printed circuit board.

[0036] Second embodiment:

[0037] Based on the pressing device for PCB production provided in the first embodiment of the present application, the second embodiment of the present application proposes another pressing device for PCB production. The second embodiment is merely a preferred method of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0038] The second embodiment of the present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0039] Please refer to Figure 4 and Figure 5 In the second embodiment of the present invention, the pressing device for PCB production also includes: a low groove 17, which is opened at the bottom of the lower pressing plate 7, and a receiving rod 18 is rotatably installed between the inner walls on both sides of the low groove 17, and one end of the receiving rod 18 extends to the outside of the lower pressing plate 7.

[0040] A connecting block 19 is fixedly installed at the bottom of the lower pressing plate 7 , and a second motor 20 is fixedly installed on the connecting block 19 . The output shaft of the second motor 20 is fixedly connected to one end of the connecting rod 18 .

[0041] A corresponding rod 21 is fixedly installed between the inner walls of both sides of the low groove 17 , and two moving blocks 22 are threadedly installed on the connecting rod 18 . Both of the two moving blocks 22 are slidably connected to the corresponding rod 21 .

[0042] Two lower rods 23 are fixedly mounted on the bottom of the two moving blocks 22 , and two rolling wheels 24 are rotatably mounted between the four lower rods 23 .

[0043] The receiving rod 18 is provided with external threads at two ends with opposite rotation directions, and the two moving blocks 22 are both provided with internal threads. The two moving blocks 22 are both threadedly connected to the receiving rod 18.

[0044] The tops of the two moving blocks 22 are both inlaid with rolling balls, and the two rolling balls are both in rolling contact with the top inner wall of the low groove 17.

[0045] In this embodiment:

[0046] During the operation of the lower pressing plate 7 pressing the printed circuit board, the direct pressing efficiency of the lower pressing plate 7 is low, and it is not convenient to improve the overall pressing efficiency. In order to speed up the pressing efficiency, two rolling wheels 24 can be used for auxiliary use. The second motor 20 is started, and the output shaft of the second motor 20 will drive the connecting rod 18 to rotate. Under the influence of the two sections of thread and the limitation of the corresponding rod 21, the two moving blocks 22 will move away from each other on the connecting rod 18. The two moving blocks 22 drive the two rolling wheels 24 through the four lower rods 23, so that the two rolling wheels 24 gradually move away from the top of the printed circuit board to roll the top of the printed circuit board, so that the various board layers of the printed circuit board are more closely attached to each other.

[0047] Compared with the related art, the PCB production pressing device provided by the present invention has the following beneficial effects:

[0048] The present invention provides a pressing device for PCB production, wherein a second motor 20 drives two rolling wheels 24 to roll on the top of a printed circuit board, thereby making the contact between the various board layers of the printed circuit board closer and improving the efficiency of pressing the printed circuit board.

[0049] It should be noted that the equipment structure and drawings of the present invention mainly describe the principles of the present invention. In terms of the technology of the design principle, the settings of the power mechanism and control system of the device are not fully described. However, on the premise that technical personnel in this field understand the principles of the above invention, they can clearly know the details of its power mechanism and control system.

[0050] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A pressing device for PCB production, characterized in that: include: Bottom plate; Four supporting legs, each of which is fixedly mounted on the bottom of the bottom plate, and the four supporting legs are arranged in a rectangular array; Two vertical plates, both of which are fixedly mounted on the top of the bottom plate; A transverse plate, the transverse plate is fixedly mounted on the top of the two vertical plates; Two U-shaped rods, the two U-shaped rods are respectively fixedly mounted on one side of the two vertical plates close to each other; Two sliding blocks, the two sliding blocks are respectively slidably mounted on the corresponding U-shaped rods; A lower pressing plate, the lower pressing plate is arranged above the bottom plate, and the sides of the two sliding blocks close to each other are fixedly connected to the lower pressing plate; A placement plate, the placement plate is fixedly mounted on the top of the bottom plate; A welding block, the welding block is fixedly mounted on the top of the transverse plate; A rotating cylinder, wherein the rotating cylinder is rotatably mounted on the welding block; a first motor, the first motor being disposed on the top of the transverse plate; Two ring gears, the two ring gears are fixedly mounted on the output shaft of the first motor and the rotating cylinder respectively, and the two ring gears are meshed with each other; A threaded rod is threadably mounted on the rotating cylinder, and the top and bottom ends of the threaded rod both extend outside the rotating cylinder; A vertical rod is threadedly mounted on the threaded rod, both ends of the vertical rod extend outside the threaded rod, a positioning block is rotatably mounted on the bottom end of the vertical rod, the positioning block is fixedly mounted on the top of the lower pressing plate, an adjusting rod is threadedly mounted on the positioning block, and the adjusting rod is threadedly connected to the vertical rod; The top of the positioning block is provided with a snap-in groove, an adapter bearing is fixedly installed on the inner wall of the snap-in groove, the inner ring of the adapter bearing is fixedly sleeved on the vertical rod, the positioning block and the vertical rod are provided with through holes, the inner walls of the two through holes are provided with internal threads, the adjusting rod is provided with external threads, and the adjusting rod is in contact with the inner wall threads of the two through holes; A low groove is provided at the bottom of the lower pressing plate, and a receiving rod is rotatably installed between the inner walls on both sides of the low groove, and one end of the receiving rod extends to the outside of the lower pressing plate.

2. The PCB production pressing device according to claim 1, characterized in that: A connecting block is fixedly installed at the bottom of the lower pressing plate, a second motor is fixedly installed on the connecting block, and an output shaft of the second motor is fixedly connected to one end of the connecting rod.

3. The PCB production pressing device according to claim 1, characterized in that: A corresponding rod is fixedly installed between the inner walls of both sides of the low groove, and two moving blocks are threadedly installed on the corresponding rod, and the two moving blocks are both slidably connected with the corresponding rod.

4. The PCB production pressing device according to claim 3, characterized in that: Two lower rods are fixedly installed at the bottom of the two moving blocks, and two rolling wheels are rotatably installed between the four lower rods.

5. The PCB production pressing device according to claim 4, characterized in that: The receiving rod is provided with external threads with opposite rotation directions at two ends, and the two moving blocks are provided with internal threads, and the two moving blocks are threadedly connected to the receiving rod.

6. The PCB production pressing device according to claim 3, characterized in that: The tops of the two moving blocks are both inlaid with rolling balls, and the two rolling balls are both in rolling contact with the top inner wall of the low groove.

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