CN113853061A

CN113853061A - Magnetic carrier with PCB protection function

Info

Publication number: CN113853061A
Application number: CN202110943291.8A
Authority: CN
Inventors: 周霞; 马清波
Original assignee: Asep Technology Huai'an Co ltd
Current assignee: Asep Technology Huai'an Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-12-28
Anticipated expiration: 2041-08-17
Also published as: CN113853061B

Abstract

The invention belongs to the technical field of PCB processing equipment, and discloses a magnetic carrier with a PCB protection function, which comprises: the PCB comprises a carrying platform, a PCB body and a pressing plate; the carrying platform is used for supporting the PCB body, and the pressing plate is used for pressing, holding and fixing the PCB body; the positioning plate is arranged right above the pressing plate, and the positioning plate is matched with the carrying platform to position the pressing plate to be pressed on the PCB body; the balanced pressing mechanism is arranged right above the positioning plate and used for indirectly applying pressure to the pressure plate while the positioning plate is pressed in a balanced manner, so that the pressure plate can be used for comprehensively and stably pressing and protecting a PCB body arranged on the carrying platform, and the balanced pressing mechanism has the advantages that: the press fit protection capability is strong, the accuracy is high, and the operation is simple.

Description

Magnetic carrier with PCB protection function

Technical Field

The invention belongs to the technical field of PCB (printed circuit board) processing equipment, and particularly relates to a magnetic carrier with a PCB protection function.

Background

The PCB is called a printed circuit board, also called a printed circuit board or a printed circuit board, is an important electronic component, is a support for electronic components, and is a provider for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

In the process of processing and manufacturing a PCB, generally, in order to ensure the processing quality, the absolute stability of the PCB needs to be ensured, errors are prevented from occurring when high-precision elements such as chips and the like are installed on the PCB, the protection capability is poor, most of the conventional PCB is processed in a fixing mode of the magnetic carrier, although the magnetic carrier can well fix the printed circuit board, the problem of movement during processing still exists, the fixing protection capability is poor, and the magnetic carrier with high stable protection capability needs to be designed aiming at the problem.

Disclosure of Invention

An embodiment of the present invention provides a magnetic carrier with a PCB protection function, aiming to solve the above problems.

The present invention is achieved as described above, and a magnetic carrier having a PCB protection function includes: the PCB comprises a carrying platform, a PCB body and a pressing plate; the carrying platform is used for supporting the PCB body, and the pressing plate is used for pressing, holding and fixing the PCB body; the positioning plate is arranged right above the pressing plate, and the positioning plate is matched with the carrying platform to position the pressing plate to be pressed on the PCB body; the balanced pressing mechanism is arranged right above the positioning plate and used for indirectly applying pressure to the pressure plate while the positioning plate is pressed in a balanced manner so as to ensure that the pressure plate can comprehensively and stably press and protect the PCB body on the carrying platform;

the PCB body is arranged at the top of the carrier, the positioning plate and the carrier are positioned in advance, the pressing plate is arranged at the top of the PCB body, meanwhile, the balance pressing mechanism is started to slowly apply downward pressure to the positioning plate, then the balance pressure is applied to the pressing plate through the positioning plate, and absolute stability of the PCB body is guaranteed.

The invention provides a magnetic carrier with a PCB protection function, which has the beneficial effects that:

through the rotary connection between the rotary connecting rod and the rotary bolt and the first rotary rod and the transverse sliding of the end part of the rotary connecting rod in the sliding seat, the force carried by the pressing blocks is balanced and adjusted, so that the positioning plates at different height deviation positions are exerted with balanced force, the comprehensive and effective pressure action on the PCB body is ensured, and the absolute protection of the PCB body is ensured;

the four groups of elastic positioning blocks and the positioning grooves are pre-positioned, and then when the balanced pressing mechanism applies downward pressure to the positioning plates, the matching positions of the positioning blocks and the positioning grooves are unchanged, so that the pressing accuracy is improved;

the invention has the advantages that: the press fit protection capability is strong, the accuracy is high, and the operation is simple.

Drawings

Fig. 1 is a schematic view of a magnetic carrier with a PCB protection function.

Fig. 2 is a schematic perspective view of a pressing mechanism in a magnetic carrier with a PCB protection function.

Fig. 3 is a schematic front view of a pressing mechanism in a magnetic carrier with PCB protection function.

FIG. 4 is a schematic top view of a pressing mechanism of a magnetic carrier with PCB protection function;

FIG. 5 is a schematic diagram of a magnetic carrier with PCB protection function with an extended cover plate in a platen when received;

in the drawings: the device comprises a carrier 10, a PCB body 11, a pressure plate 12, a balanced pressing mechanism 13, a positioning groove 14, a metal block 15, a magnet block 16, a connecting block 17, an expansion link 18, a spring 19, a positioning plate 20, a mounting plate 21, an adjusting screw 22, an internal thread block 23, a rotating handle 24, a pressing block 25, a rotating bolt 26, a sliding seat 27, a rotating rod I28, a limiting sleeve rod 29, a rotating connecting rod 30, a rotating rod II 31, a sliding block 32, a sliding groove 33, an extending cover plate 35, a limiting pulley 36, a limiting groove 37, a sliding plate 38, a sliding rail 39 and a storage groove 40.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1-2, a structure diagram of a magnetic carrier with a PCB protection function according to an embodiment of the present invention includes: a carrier 10, a PCB body 11 and a pressure plate 12; the carrier 10 is used for supporting the PCB body 11, and the pressure plate 12 is used for pressing and fixing the PCB body 11; the positioning plate 20 is arranged right above the pressing plate 12, the positioning plate 20 is matched with the carrier 10, and the pressing plate 12 to be pressed on the PCB body 11 is positioned; the balanced pressing mechanism 13 is arranged right above the positioning plate 20 and used for indirectly applying pressure to the pressing plate 12 while uniformly pressing the positioning plate 20 so as to ensure that the pressing plate 12 can comprehensively and stably press and protect the PCB body 11 arranged on the carrying platform 10;

the PCB body 11 is arranged at the top of the carrier 10, the positioning plate 20 and the carrier 10 are pre-positioned, the pressing plate 12 is arranged at the top of the PCB body 11, meanwhile, the balanced pressing mechanism 13 is started to slowly apply downward pressure to the positioning plate 20, and then the positioning plate 20 applies balanced pressure to the pressing plate 12, so that the absolute stability of the PCB body 11 is ensured.

In an embodiment of the present invention, the area of the PCB body 11 is smaller than the supporting area of the stage 10 and the pressing area of the pressing plate 12, so that the PCB body 11 can be subjected to a comprehensive protection pressing operation; the carrier 10 and the positioning plate 20 are both made of hard plastic materials, so that the weight is light, the manufacturing cost is low, and the PCB body 11 is not easily abraded; four groups of elastic positioning blocks are arranged at four corners of the positioning plate 20, positioning grooves 14 are formed at the bottom ends of the four groups of elastic positioning blocks corresponding to the carrying platform 10, the four groups of elastic positioning blocks and the positioning grooves 14 are pre-positioned, then when downward pressure is applied to the positioning plate 20 by the balanced pressure applying mechanism 13, the matching positions of the positioning blocks and the positioning grooves 14 are unchanged, and meanwhile, the positioning plate 20 moves downward to apply pressure to the PCB body 11; the balanced pressure mechanism 13 is set to a manual control mode, so that a user can accurately grasp the pressure applied to the PCB body 11.

As a preferred embodiment of the present invention, the elastic positioning block includes a magnet block 16, a connecting block 17 is connected to the top of the magnet block 16, the connecting block 17 is slidably connected to a positioning plate 20, a spring 19 is sleeved on the connecting block 17 disposed on the upper surface of the positioning plate 20, the elastic movement of the magnet block 16 is realized by the elastic movement between the spring 19 and the positioning plate 20, and a layer of metal block 15 is installed on the inner bottom of the positioning groove 14, and the connection is performed by the magnetic action between the metal block 15 and the magnet block 16, so as to improve the accuracy of automatic positioning.

Referring to fig. 3-4, as a preferred embodiment of the present invention, the balanced pressing mechanism 13 includes a mounting plate 21, an adjusting screw 22 is fixedly connected to a middle portion of one side of the mounting plate 21, an inner thread block 23 is threadedly connected to a middle portion of the adjusting screw 22, a rotating handle 24 for facilitating rotation of the adjusting screw 22 is fixedly mounted at a tail end of the adjusting screw 22, and the mounting plate 21 is driven to ascend and descend by fixing the inner thread block 23 at a certain position and then rotating the adjusting screw 22 to move in the inner thread block 23;

the outer part of the side wall of the mounting plate 21 opposite to the adjusting screw 22 is provided with three pressing blocks 25 at equal intervals, the side wall of the pressing block 25 far away from the mounting plate 21 is arranged to be an arc structure and is convenient to contact with the positioning plate 20, the vertical section of the pressing block 25 is arranged to be a U-shaped structure, the middle part of the pressing block 25 is rotatably connected with a rotating rod 28, the rotating rod 28 is rotatably connected with two rotating connecting rods 30 which are arranged to be V-shaped structures towards the outer part of the mounting plate 21, the rotating connecting rods 30 which are arranged at the two ends of the mounting plate 21 are rotatably connected with rotating bolts 26 which are fixed on the side wall of the mounting plate 21, the end parts of the adjacent rotating connecting rods 30 which are close to the two sides of the mounting plate 21 are rotatably connected with a sliding seat 27 which is arranged on the mounting plate 21, the middle part of the sliding seat 27 is rotatably connected with a rotating rod two 31, the two ends of the rotating rod 31 are fixedly provided with sliding blocks 32, and the sliding blocks 32 are transversely slidably connected in sliding grooves 33 which are arranged in the inner part of the side wall of the sliding seat 27, meanwhile, the tail end of the rotating connecting rod 30 is rotatably connected to the rotating rod II 31, so that the transverse movement of the end part of the rotating connecting rod 30 in the sliding seat 27 can be realized, when the pressing block 25 applies pressure to the positioning plate 20 at the same time, the pressing block 25 can be uniformly relieved according to the difference of the pressure applied to each position and the height difference of the top surface of the positioning plate 20 through the resilience applied to the pressing block 25, the balanced pressing mechanism 13 can apply the same force to the positioning plates 20 with different surfaces, and stable pressure is applied to the pressing plate 12 at the bottom of the positioning plate 20 and the PCB body 11 at the bottom of the pressing plate 12;

the two ends of the first rotating rod 28 facing one side of the mounting plate 21 are sleeved with a limiting sleeve rod 29, and the limiting sleeve rod 29 is used for limiting the swing amplitude of the rotating connecting rod 30 and preventing the sliding block 32 from falling off from the inside of the sliding seat 27 due to overlarge.

As shown in fig. 5, as another preferred embodiment of the present invention, because the areas of the PCB body 11 are different in size, when the pressing plate 12 is used to press and fix the PCB body, if the pressing plate 12 with a uniform size is used to press and fix the PCB body, resource waste is inevitably caused and the balance of the force applied to the PCB body 11 by the pressing plate 12 cannot be accurately controlled, by setting the pressing plate 12 to be a structure with an adjustable size, the two sides of the inside of the pressing plate 12 are symmetrically provided with accommodating grooves 40, the bottom of the accommodating groove 40 is provided with the extending cover plate 35, the extending cover plate 35 is slidably connected to the slide rails 39 arranged on the bottom of the accommodating groove 40, and the extending cover plate 35 moves inside and outside the accommodating groove 40 by moving the slide plates 38 on the slide rails 39, so as to adjust the pressing area of the pressing plate 12;

because extend the apron 35 when accomodating groove 40 inside and outside removal, there is the condition that the bottom of clamp plate 12 is highly different, will press to PCB body 11 when, cause the damage to PCB body 11, consequently upwards the roll connection has spacing pulley 36 in extending apron 35 the inner, the spacing groove 37 with spacing pulley 36 joint is seted up to the outer tip of slide rail 39, spacing groove 37 degree of depth and spacing pulley 36 set up the height on extending apron 35 the inner upper portion simultaneously, be equal to the difference in height between extension apron 35 and the clamp plate 12 bottom when extending apron 35 and shifting out and accomodating the groove 40 inside, realize when will extending apron 35 and shift out and accomodate the groove 40 inside, through the joint of spacing pulley 36 and spacing groove 37, make extend apron 35 and clamp plate 12 bottom highly uniform, when reducing the loss of pressure to PCB body 11, improve the aesthetic property.

The embodiment of the invention provides a magnetic carrier with a PCB protection function, when in use, firstly, a PCB body 11 to be pressed and protected is arranged on a carrying platform 10, then, according to the size of the PCB body 11, a sliding plate 38 slides on a sliding rail 39 to adjust the use area of a pressure plate 12, then, a magnet block 16 and a metal block 15 are used for magnetic positioning, a positioning plate 20 is covered on the top of the pressure plate 12, then, a balanced pressure mechanism 13 is arranged above the positioning plate 20, an adjusting screw 22 is driven to move in an internal thread block 23 by manually rotating a rotating handle 24, then, a mounting plate 21 is driven to slowly approach to the top of the positioning plate 20, thereby, the pressure is applied to the positioning plate 20 by utilizing the contact between the pressure block 25 and the top of the positioning plate 20, meanwhile, when the pressure is applied to the positioning plate 20, a telescopic rod 18 is stretched in the positioning plate 20, and simultaneously, due to the height difference of the top surface of the pressure plate 12, when having and exerting power, when unbalanced, through rotate connecting rod 30 with rotate between bolt 26 and the dwang 28 and rotate the connecting rod 30 tip and at the inside lateral sliding of sliding seat 27, carry out balanced regulation to the power that a plurality of briquetting 25 carried for to the locating plate 20 of different height deviation positions, exert balanced power, ensure to exert comprehensive effectual pressure effect to PCB body 11, guarantee PCB body 11's absolute protection.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A magnetic carrier with PCB safeguard function, characterized in that, the magnetic carrier with PCB safeguard function includes: the PCB comprises a carrying platform, a PCB body and a pressing plate; the carrying platform is used for supporting the PCB body, and the pressing plate is used for pressing, holding and fixing the PCB body;

the positioning plate is arranged right above the pressing plate, and the positioning plate is matched with the carrying platform to position the pressing plate to be pressed on the PCB body;

the balanced pressing mechanism is arranged right above the positioning plate and used for indirectly applying pressure to the pressure plate while the positioning plate is pressed in a balanced manner so as to ensure that the pressure plate can comprehensively and stably press and protect the PCB body arranged on the carrying platform;

2. The magnetic carrier with PCB protection as claimed in claim 1, wherein the PCB body area is smaller than the carrier support area and the pressing area of the pressing plate; the carrying platform and the positioning plate are both made of hard plastic materials.

3. The magnetic carrier with the PCB protection function as claimed in claim 1, wherein four sets of elastic positioning blocks are disposed at four corners of the positioning plate, and positioning slots are disposed at bottom ends of the four sets of elastic positioning blocks corresponding to the carrying platform.

4. The magnetic carrier with the PCB protection function as claimed in claim 3, wherein the elastic positioning block comprises a magnet block, a connecting block is connected to the top of the magnet block, the connecting block is slidably connected to the positioning plate, a spring is sleeved on the connecting block arranged on the upper surface of the positioning plate, and a layer of metal block is mounted at the inner bottom of the positioning groove.

5. The magnetic carrier with the PCB protection function as claimed in claim 1, wherein the balanced pressing mechanism comprises a mounting plate, an adjusting screw is fixedly connected to a middle portion of one side of the mounting plate, an inner thread block is threadedly connected to a middle portion of the adjusting screw, and a rotating handle for facilitating rotation of the adjusting screw is fixedly mounted at a tail end of the adjusting screw.

6. The magnetic carrier with the PCB protection function as claimed in claim 5, wherein three press blocks are arranged at equal intervals outside the side wall of the mounting plate opposite to the adjusting screw, a first rotating rod is rotatably connected to the middle of each press block, two rotating connecting rods with V-shaped structures are rotatably connected to the first rotating rod towards the outside of the mounting plate, rotating bolts fixed on the side wall of the mounting plate are rotatably connected to the rotating connecting rods at two ends of the mounting plate, adjacent rotating connecting rod end portions close to two sides of the mounting plate are rotatably connected to sliding seats mounted on the mounting plate, a second rotating rod is rotatably connected to the middle of each sliding seat, sliding blocks are fixedly mounted at two ends of each rotating rod, the sliding blocks are transversely slidably connected to sliding grooves formed in the side walls of the sliding seats, and the tail ends of the rotating connecting rods are rotatably connected to the second rotating rods.

7. The magnetic carrier with the PCB protection function as claimed in claim 6, wherein the side wall of the pressing block away from the mounting plate is configured to be an arc-shaped structure, and the vertical section of the pressing block is configured to be a U-shaped structure.

8. The magnetic carrier with PCB protection of claim 7, wherein the two ends of the rotating rod facing the side of the mounting plate are sleeved with a stop collar rod.

9. The magnetic carrier with PCB protection as claimed in claim 8, wherein the pressing plate has a receiving slot symmetrically formed on both sides thereof, and an extending cover is mounted on the bottom of the receiving slot and slidably connected to a slide rail formed on the bottom of the receiving slot.

10. The magnetic carrier with the PCB protection function as claimed in claim 9, wherein the inner end of the extension cover plate is connected with a limit pulley in a rolling manner upward, the outer end of the slide rail is provided with a limit groove clamped with the limit pulley, and the depth of the limit groove and the height of the limit pulley at the upper part of the inner end of the extension cover plate are equal to the height difference between the extension cover plate and the bottom of the pressing plate when the extension cover plate is moved out of the accommodating groove.