CN220067839U

CN220067839U - Mounting pressure maintaining mechanism of PCBA board

Info

Publication number: CN220067839U
Application number: CN202320946551.1U
Authority: CN
Inventors: 曹威; 仪忠平; 袁志勇
Original assignee: Zhuhai Guanghaojie Technology Co ltd
Current assignee: Zhuhai Guanghaojie Technology Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-11-21
Anticipated expiration: 2033-04-24

Abstract

The utility model provides a mounting pressure maintaining mechanism of a PCBA board, and belongs to the technical field of mounting auxiliary equipment; the key points of the technical scheme are as follows: the device comprises a pressure maintaining table, a transmission mechanism and a pressure maintaining mechanism, wherein the pressure maintaining table is provided with a large notch for the movement of the pressure maintaining mechanism, and the pressure maintaining mechanism is provided with an auxiliary pressure mechanism capable of adjusting the pressure maintaining angle; the upper pressure maintaining mechanism and the lower pressure maintaining mechanism are arranged on the PCBA board, so that the two sides of the PCBA board can be simultaneously subjected to pressure maintaining, the pressure maintaining time is saved, and the pressure maintaining efficiency of pressure maintaining equipment is improved; secondly, an auxiliary pressing mechanism capable of adjusting the pressure maintaining angle is arranged on the pressure maintaining mechanism, so that the pressure maintaining mechanism can maintain the pressure of the PCBA board with a certain inclination; therefore, the design improves the pressure maintaining efficiency and simultaneously can fully and uniformly maintain the pressure of the copper foil.

Description

Mounting pressure maintaining mechanism of PCBA board

Technical Field

The utility model relates to the technical field of mounting auxiliary equipment, in particular to a mounting pressure maintaining mechanism of a PCBA board.

Background

At present, with the development of the mobile phone industry, markets and consumers have higher requirements on mobile phones, in the manufacturing process of the mobile phones, a copper foil attaching process is carried out after a matched carrier is put in the production process of the PCBA board in the mobile phones, and after the attachment is completed, a certain pressure maintaining is carried out on the copper foil to stabilize the attachment of the copper foil, in the existing copper foil pressure maintaining equipment, the carrier embedded with the PCBA board is usually put into the pressure maintaining equipment, and the copper foil on the other surface of the PCBA board is subjected to pressure maintaining after the pressure maintaining of the copper foil on one surface of the PCBA board is carried out for a period of time by the pressure maintaining equipment, so that the pressure maintaining efficiency of the pressure maintaining equipment is lower; in addition, because the surface of some cell-phone PCBA boards has certain gradient, make copper foil pressurize equipment can not even carry out the pressurize to the copper foil.

Disclosure of Invention

The utility model aims to provide a mounting pressure maintaining mechanism for a PCBA board, which aims to solve the problems proposed by the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: including the transport mechanism of pressure maintenance platform and transmission PCBA board, still including installing respectively two pressurize mechanisms of pressure maintenance platform top and bottom, be equipped with on the pressure maintenance platform and supply the big notch that the pressurize mechanism removed, transport mechanism be located big notch's top and rigid coupling in the top of pressure maintenance platform, two the pressurize mechanism is located respectively the top and bottom of transport mechanism, be equipped with the assistance of adjustable pressurize angle and press the mechanism on the pressurize mechanism.

Further, a track is arranged on the pressure maintaining table, and the pressure maintaining mechanism is connected with the track.

Further, the pressure maintaining mechanism comprises a moving plate arranged on the track, a driving block arranged on the outer side of the moving plate, a screw rod arranged in the driving block, and a motor fixedly connected with one end of the screw rod and arranged at the top of the driving block, wherein a first moving block is connected to the screw rod in a threaded manner, and a pressure maintaining head is arranged at the bottom of the first moving block.

Further, the drive piece top is equipped with the buffer board, the buffer board pass through buffer spring with first movable block is connected.

Further, the pressure maintaining head comprises a fixed plate arranged at the bottom of the first moving block, a pressure sensor is arranged on the upper portion of the fixed plate, one side of the fixed plate is fixedly connected with a sliding rail connected with a sliding block, and a pressure component capable of extruding the pressure sensor is fixed on the sliding block.

Further, the fixing plate is fixedly connected with a first pressure head capable of pressing the carrier.

Further, the fixing plate is further provided with a limiting pin limiting the moving range of the sliding block.

Further, the pressure assembly comprises a second moving block fixedly connected with the sliding block, the auxiliary pressure mechanism is fixedly connected to the bottom of the second moving block, and a detachable second pressure head is installed at the bottom of the auxiliary pressure mechanism.

Further, the top of the second pressure head is in sliding connection with the bottom of the auxiliary pressure mechanism, and a locking pin for fixing the second pressure head is arranged at the bottom of the auxiliary pressure mechanism.

Further, the auxiliary pressing mechanism comprises a first adjusting plate fixedly connected to the bottom of the second moving block and a second adjusting plate mounted at the bottom of the first adjusting plate, the second adjusting plate is connected with a third adjusting plate through a bolt, an adjusting spring is sleeved on the bolt, and the third adjusting plate is in sliding connection with the second pressure head.

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

the upper pressure maintaining mechanism and the lower pressure maintaining mechanism are arranged on the PCBA board, so that the two sides of the PCBA board can be simultaneously subjected to pressure maintaining, the pressure maintaining time is saved, and the pressure maintaining efficiency of pressure maintaining equipment is improved; secondly, an auxiliary pressing mechanism capable of adjusting the pressure maintaining angle is arranged on the pressure maintaining mechanism, so that the pressure maintaining mechanism can maintain the pressure of the PCBA board with a certain inclination; therefore, the design improves the pressure maintaining efficiency and simultaneously can fully and uniformly maintain the pressure of the copper foil.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a mounting apparatus of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

fig. 3 is an enlarged partial schematic view of the present utility model.

Wherein: 1. a transmission mechanism; 2. a pressure-maintaining table; 21. a carrier; 22. a track; 3. a pressure maintaining mechanism; 31. a moving plate; 32. a driving block; 33. a motor; 34. a first moving block; 35. a first ram; 36. a buffer plate; 37. a buffer spring; 38. a pressure sensor; 39. a fixing plate; 310. a slide rail; 311. a slide block; 312. a second moving block; 4. an auxiliary pressing mechanism; 41. a first adjustment plate; 42. a second adjusting plate; 43. a third adjusting plate; 44. a bolt; 45. and a second ram.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Examples: referring to fig. 1-3, a mounting and pressure maintaining mechanism for a PCBA board comprises a pressure maintaining table 2 and a transmission mechanism 1 for transmitting the PCBA board, wherein when the mobile phone PCBA board is placed into a matched carrier 21 and subjected to a copper foil attaching process, the mobile phone PCBA board is transmitted to the pressure maintaining table 2 through the transmission mechanism 1 for pressure maintaining; the automatic packaging machine further comprises two pressure maintaining mechanisms 3 which are respectively arranged above and below the pressure maintaining table 2, when the carrier 21 embedded with the PCBA board reaches the pressure maintaining range of the pressure maintaining mechanisms 3, the two pressure maintaining mechanisms 3 are started to maintain the pressure of the copper foils attached to the front surface and the back surface of the PCBA board, so that the pressure maintaining efficiency of pressure maintaining equipment is improved; the pressure maintaining platform is provided with a large notch for the pressure maintaining mechanism to move, the transmission mechanism is positioned above the large notch and fixedly connected to the top of the pressure maintaining platform, the two pressure maintaining mechanisms are respectively positioned above and below the transmission mechanism, the design provides a premise for the pressure maintaining mechanism 3 to maintain the pressure on the front surface and the back surface of the PCBA board, the pressure maintaining mechanism 3 is provided with an auxiliary pressure mechanism 4 with an adjustable pressure maintaining angle, when the surface of the PCBA board attached with copper foil has a certain inclination angle, the pressure maintaining angle of the pressure maintaining mechanism 3 can be adjusted by adjusting the auxiliary pressure mechanism 4, and then the copper foil attached to the PCBA board is fully and uniformly maintained; in addition, the track 22 is arranged on the pressure maintaining table 2, the pressure maintaining mechanisms 3 are connected with the track 22, in the utility model, the track 22 at the upper part and the lower part can be in the shape of a gantry, four pressure maintaining mechanisms 3 are arranged on the pressure maintaining equipment, two groups of the pressure maintaining mechanisms are used for maintaining the pressure of PCBA plates on two carriers 21, the pressure maintaining efficiency of the pressure maintaining equipment is further improved, the four pressure maintaining mechanisms 3 have the same structure, the two pressure maintaining mechanisms 3 positioned on the same vertical line are symmetrically designed, the four pressure maintaining mechanisms 3 are all in sliding connection with the track 22 and can be locked, and the locking adopts the sliding connection and locking structures which are common in the field, so that the design is convenient for adjusting the horizontal position of the pressure maintaining mechanisms 3 and is favorable for adapting to the pressure maintaining of the PCBA plates with different sizes.

The pressure maintaining mechanism 3 comprises a moving plate 31 arranged on the track 22, a driving block 32 arranged on the outer side of the moving plate 31, a screw rod arranged in the driving block 32, and a motor 33 fixedly connected with one end of the screw rod and arranged at the top of the driving block 32, wherein the motor 33 is connected with a controller, a first moving block 34 is connected to the screw rod in a threaded manner, a pressure maintaining head is arranged at the bottom of the first moving block 34, when the motor 33 is started, the screw rod rotates, so that the first moving block 34 is driven to move, the pressure maintaining head is further released to move, and when the pressure maintaining head moves downwards to a position capable of extruding the PCBA plate, the PCBA plate can be maintained; in the operation process, if the motor 33 is suddenly powered off, at this time, because the lead screw is connected with the pressure maintaining head, and the pressure maintaining head is heavier, so after the power off, the pressure maintaining head can drive the lead screw to rotate due to the dead weight of the pressure maintaining head, and then the pressure maintaining head rapidly descends to cause collision and damage equipment, therefore, the top of the driving block 32 is provided with the buffer plate 36, and the buffer plate 36 is connected with the first moving block 34 through the buffer spring 37.

The pressure maintaining head comprises a fixed plate 39 arranged at the bottom of the first moving block 34, a pressure sensor 38 is arranged at the upper part of the fixed plate 39, a sliding rail 310 connected with a sliding block 311 is fixedly connected to one side of the fixed plate 39, a pressure component capable of extruding the pressure sensor 38 is fixed on the sliding block 311, the fixed plate 39 is also provided with a limiting pin for limiting the moving range of the sliding block 311, wherein the pressure sensor 38 is connected with a controller, when the PCBA board is subjected to pressure maintaining, the sliding block 311 is positioned at the position of the limiting pin at the lowest part of the sliding rail 310, a motor 33 is started, a screw rod rotates to drive the first moving block 34 to move downwards, the pressure component reaches the top of the PCBA board, then the pressure component extrudes the PCBA board, meanwhile, the sliding block 311 moves upwards, then an equal-height sleeve positioned at the top of the pressure component can bear the pressure sensor 38, then the screw rod continues to rotate, the numerical value of the pressure sensor 38 gradually increases, when the specified pressure is reached, the pressure sensor 38 sends a signal to the controller, and the controller controls the motor 33 to stop rotating, so that the screw rod stops rotating and maintains the pressure; the fixing plate 39 is fixedly connected with a first pressure head 35 capable of pressing the carrier 21, when the first moving block 34 moves downwards, the first pressure head 35 firstly presses and fixes the carrier 21, then the pressure component is used for maintaining the pressure of the PCBA, and the design ensures the stability of the pressure component during pressure maintaining.

The auxiliary pressing mechanism 4 comprises a first adjusting plate 41 fixedly connected to the bottom of the second moving block 312 and a second adjusting plate 42 arranged at the bottom of the first adjusting plate 41, the second adjusting plate 42 is connected with a third adjusting plate 43 through a bolt 44, an adjusting spring is sleeved on the bolt 44, the third adjusting plate 43 is in sliding connection with a second pressure head 45, a through hole is formed in the second adjusting plate 42, and the bolt 44 penetrates through the through hole and is in threaded connection with the third adjusting plate 43; when the auxiliary pressing mechanism 4 is installed, the springs are pre-tightly sleeved outside the bolts 44, and the four bolts 44 are adjusted to enable the third adjusting plate 43 to be horizontal, so that the second pressing head 45 is horizontal, and the pressure maintaining of the PCBA board horizontally adhered with the copper foil is realized; in addition, when the copper foil is attached to the PCBA board with a certain inclination angle, before the pressure maintaining mechanism 3 is started, the bolt 44 is required to be adjusted, the bolt 44 close to the low end position of the inclination angle is loosened, then under the action of an adjusting spring, the distance between the position of the third adjusting plate 43 and the second adjusting plate 42 is increased, the third adjusting plate 43 is inclined, the bolt 44 is further locked through the set screw, and the bolt 44 is prevented from loosening in the repeated pressure maintaining process, so that the pressure maintaining of the PCBA board with a certain inclination angle is realized.

In the utility model, the pressure assembly comprises a second moving block 312 fixedly connected with a sliding block 311, an auxiliary pressure mechanism 4 is fixedly connected to the bottom of the second moving block 312, and a second detachable pressure head 45 is arranged on a third adjusting plate 43 at the bottom of the auxiliary pressure mechanism 4; the inclination angle of the second pressure head 45 can be adjusted through the auxiliary pressing mechanism 4, so that the pressure maintaining mechanism is suitable for pressure maintaining of PCBA boards with different inclination angles after copper foils are attached, and the practicability of the pressure maintaining mechanism 3 is improved; in addition, the top of the second pressure head 45 is slidably connected with the third adjusting plate 43, the sliding connection can be common sliding block and sliding rail connection, and a locking pin for fixing the second pressure head 45 is arranged at the bottom of the auxiliary pressing mechanism 4, so that the design is convenient for the replacement of the second pressure head 45, is beneficial to adapting to the problems of different sizes and different positions of adhered copper foils of different PCBA boards, and can complete the locking by only pulling out the locking pin, sliding the second pressure head 45 out of the bottom of the auxiliary pressing mechanism 4 and sliding the replaced second pressure head 45 into the bottom of the auxiliary pressing mechanism 4 and inserting the locking pin when the second pressure head 45 needs to be replaced; in this embodiment, four pressure components are disposed at the bottom of one pressure maintaining mechanism 3, and four PCBA boards are embedded in one carrier 21, so when one carrier 21 is sent to the pressure maintaining position through the transmission mechanism 1, the pressure maintaining mechanism 3 can maintain the pressure of the four PCBA boards, and the design further improves the pressure maintaining efficiency of the pressure maintaining mechanism 3.

Principle of operation

Firstly, determining a second pressure head 45 according to the size and the position of the copper foil adhered to the PCBA board, sliding the second pressure head 45 into a third adjusting plate 43, locking a locking pin to lock the second pressure head 45, adjusting a bolt 44 according to whether the adhered copper foil is inclined, locking the bolt 44 by using a set screw after the bolt 44 is adjusted, controlling a motor 33 to start by a controller, rotating a screw rod to drive a first moving block 34 to move downwards, enabling the second pressure head 45 to reach the top of the PCBA board, then enabling the second pressure head 45 to squeeze the PCBA board, simultaneously enabling a sliding block 311 to move upwards, enabling a constant-height sleeve to bear against a pressure sensor 38, enabling the screw rod to rotate continuously, enabling the numerical value of the pressure sensor 38 to be gradually increased, and enabling the pressure sensor 38 to send a signal to the controller to stop rotating the screw rod when the specified pressure is reached, enabling the screw rod to stop rotating, and maintaining pressure; therefore, the design improves the pressure maintaining efficiency and simultaneously can fully and uniformly maintain the pressure of the copper foil.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper," "lower," "left," "right," "front," "back," and the like are used herein for illustrative purposes only.

Claims

1. The utility model provides a subsides dress pressurize mechanism of PCBA board, includes that the transport mechanism (1) of platform (2) and transmission PCBA board keep pressure, its characterized in that: the automatic pressure maintaining device is characterized by further comprising two pressure maintaining mechanisms (3) which are respectively arranged above and below the pressure maintaining table (2), wherein large notches for the pressure maintaining mechanisms (3) to move are formed in the pressure maintaining table (2), the transmission mechanism (1) is arranged above the large notches and fixedly connected to the top of the pressure maintaining table (2), the two pressure maintaining mechanisms (3) are respectively arranged above and below the transmission mechanism, and the auxiliary pressure mechanism (4) capable of adjusting the pressure maintaining angle is arranged on the pressure maintaining mechanism (3).

2. The mounting dwell mechanism of PCBA board according to claim 1, characterized in that: the pressure maintaining table (2) is provided with a track (22), and the pressure maintaining mechanism (3) is connected with the track (22).

3. The mounting dwell mechanism of PCBA board according to claim 2, characterized in that: the pressure maintaining mechanism (3) comprises a moving plate (31) arranged on the track (22), a driving block (32) arranged on the outer side of the moving plate (31), a screw rod arranged in the driving block (32), and a motor (33) fixedly connected with one end of the screw rod and arranged at the top of the driving block (32), wherein a first moving block (34) is connected to the screw rod in a threaded manner, and a pressure maintaining head is arranged at the bottom of the first moving block (34).

4. A mounting dwell mechanism of a PCBA board according to claim 3, characterized in that: the top of the driving block (32) is provided with a buffer plate (36), and the buffer plate (36) is connected with the first moving block (34) through a buffer spring (37).

5. A mounting dwell mechanism of a PCBA board according to claim 3, characterized in that: the pressure maintaining head comprises a fixed plate (39) arranged at the bottom of the first moving block (34), a pressure sensor (38) is arranged on the upper portion of the fixed plate (39), one side of the fixed plate (39) is fixedly connected with a sliding rail (310) connected with a sliding block (311), and a pressure component capable of extruding the pressure sensor (38) is fixed on the sliding block (311).

6. The PCBA board mounting and pressure maintaining mechanism according to claim 5, wherein: the fixed plate (39) is fixedly connected with a first pressure head (35) capable of pressing the carrier (21).

7. The PCBA board mounting and pressure maintaining mechanism according to claim 5, wherein: the fixed plate (39) is also provided with a limiting pin for limiting the moving range of the sliding block (311).

8. The PCBA board mounting and pressure maintaining mechanism according to claim 5, wherein: the pressure assembly comprises a second moving block (312) fixedly connected with the sliding block (311), the auxiliary pressure mechanism (4) is fixedly connected to the bottom of the second moving block (312), and a detachable second pressure head (45) is arranged at the bottom of the auxiliary pressure mechanism (4).

9. The PCBA board mounting and pressure maintaining mechanism according to claim 8, wherein: the top of the second pressure head (45) is in sliding connection with the bottom of the auxiliary pressure mechanism (4), and a locking pin for fixing the second pressure head (45) is arranged at the bottom of the auxiliary pressure mechanism (4).

10. The PCBA board mounting and pressure maintaining mechanism according to claim 8, wherein: the auxiliary pressing mechanism (4) comprises a first adjusting plate (41) fixedly connected to the bottom of the second moving block (312) and a second adjusting plate (42) arranged at the bottom of the first adjusting plate (41), the second adjusting plate (42) is connected with a third adjusting plate (43) through a bolt (44), an adjusting spring is sleeved on the bolt (44), and the third adjusting plate (43) is in sliding connection with the second pressing head (45).