Surface mounting carrier for flexible circuit board production

Abstract

The utility model provides a surface mount carrier for flexible circuit board production, and belongs to the technical field of circuit board production equipment. Comprising a bottom plate; the workbench is stably mounted on the bottom plate; the through groove is formed in the workbench, and the through groove penetrates through the workbench; the number of the extrusion plates is at least two, the extrusion plates are connected into the through groove in a sliding mode, and the extrusion plates are used for fixing the flexible circuit board; the number of the side plates is two, and the side plates are stably connected to the bottom plate. According to the utility model, through cooperation of the roll shaft, the push rod, the extrusion plate and other structures, an effect of avoiding circuit board displacement and loosening caused by unfirm manual fixation or vibration and other accidents is realized; and through cooperation of a driving motor, a gear set, a bidirectional lead screw, a sliding block, a connecting rod and an extrusion plate, the purpose of flexibly adjusting the distance between the extrusion plates according to circuit boards of different sizes is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board production equipment, especially relates to a surface mount carrier for flexible circuit board production. BACKGROUND

[0002] With the rapid development of electronic technology, flexible circuit boards are increasingly widely used in various electronic devices; flexible circuit boards have the characteristics of lightness, thinness, bendability and foldability, and can meet the needs of miniaturization and multifunctionalization of modern electronic devices; in the production process of flexible circuit boards, surface mount technology is a key link, which directly affects the performance and quality of the circuit board.

[0003] In the prior art, the circuit board is usually placed on the carrier by manual operation, and then fixed manually, but this fixing method often causes the circuit board to shift or loosen due to vibration and other accidents, affecting the precision and quality of surface mounting; at the same time, the force of manual fixing is difficult to ensure uniform, which may cause uneven force on the local circuit board and increase the risk of damage to the circuit board; and frequent manual placement and fixing operations in the production process not only reduce the efficiency, but also easily cause operation fatigue. UTILITY MODEL CONTENTS

[0004] The utility model wants to solve the technical problem to provide a surface mount carrier for flexible circuit board production, to solve the technical problem that manual fixing in the prior art easily causes the circuit board to shift and loosen, affecting the mounting precision and quality, and inconveniently adjusting the spacing between the extrusion plates.

[0005] Technical solution: To achieve the above object, the utility model discloses a surface mount device for flexible circuit board production through the following technical scheme: a surface mount device for flexible circuit board production, comprising: a bottom plate; a workbench stably installed on the bottom plate; a through slot opened on the workbench and penetrating through the workbench; at least two extrusion plates, which are slidingly connected in the through slot and used for fixing the flexible circuit board; two side plates stably connected to the bottom plate, which are below the workbench and on both sides of the through slot; a plurality of roller shafts, which are rotatably connected between the two side plates; a plurality of placing plates placed on the roller shafts, which are between the two side plates and matched with the roller shafts and the through slot and used for placing the flexible circuit board; and at least one push rod between the two side plates, which is stably installed on the bottom plate and used for pushing the placing plate into the through slot so that the flexible circuit board on the placing plate contacts the extrusion plate, wherein the workbench should have sufficient flatness and stability, and the connection between the workbench and the bottom plate can adopt a firm connection mode such as bolt connection to ensure that no shaking or displacement occurs during work; the size of the through slot should match that of the placing plate to ensure that the placing plate can smoothly pass through, and the edges of the through slot should be chamfered to prevent scratching the placing plate or the flexible circuit board; the side plates can be made of metal, and the connection between the side plates and the bottom plate should be firm and reliable; the height of the side plates should be reasonably designed according to the size of the roller shafts and the placing plates to ensure that the movement of the placing plates on the roller shafts is not disturbed by the side plates; the diameter and spacing of the roller shafts should be reasonably designed according to the size and weight of the placing plates to ensure that the placing plates can smoothly move on the roller shafts; the surface of the roller shafts can be smoothed to reduce the friction between the roller shafts and the placing plates; the size of the placing plates should match that of the through slot and the roller shafts to ensure that the placing plates can smoothly pass through the through slot and stably move on the roller shafts. The placing plates can be made of lightweight but strong materials such as plastic or aluminum alloy, and simple positioning structures can be arranged on the placing plates to preliminarily position the circuit board; the push rod can be an electric push rod or a hydraulic push rod, which has sufficient pushing force and stability; and the installation position of the push rod should ensure that the push rod can accurately push the placing plate into the through slot without interfering with other components.

[0006] In a further embodiment, a plurality of auxiliary rollers are provided, which are on the same horizontal line as the roller shafts, below the through slot, rotatably connected between the two side plates at one end, and used for auxiliary support of the placing plates, wherein the number and position of the auxiliary rollers should be reasonably designed according to the size and weight of the placing plates to ensure that the placing plates can be effectively supported; and the diameter and surface treatment of the auxiliary rollers should be similar to those of the roller shafts to ensure the stability of the placing plates during movement.

[0007] In further embodiments, two protective plates are provided and are stably connected to the bottom plate, are located on both sides of the push rod, are rotatably connected to the other side of the auxiliary roller, and are used to provide a connection position for the other end of the auxiliary roller. The protective plates can be made of the same material as the side plates and are stably connected to the bottom plate. The height of the protective plates should be reasonably designed according to the size of the auxiliary roller and the placement plate to ensure that the auxiliary roller can rotate normally and the placement plate does not interfere with the protective plate.

[0008] In further embodiments, four sliding blocks are provided and are slidably connected to the workbench. Four connecting rods are provided and are stably connected to the sliding blocks at one end and penetrate the extrusion plates at the other end to limit the movement trajectory of the extrusion plates. Four auxiliary blocks are provided and are stably connected to the other end of the connecting rods. Four springs are provided and are installed on the connecting rods between the extrusion plates and the auxiliary blocks to reset the extrusion plates. The material of the sliding blocks should have good wear resistance and self-lubricating properties to ensure smooth sliding in the workbench. The connecting rods should have sufficient strength and rigidity, and should be stably connected to the sliding blocks and the extrusion plates. The diameter and length of the connecting rods should be reasonably designed according to the size and movement range of the extrusion plates. The auxiliary blocks can be made of the same material as the connecting rods and should be stably connected to the connecting rods. The size of the auxiliary blocks should be reasonably designed according to the size of the springs and the reset requirements of the extrusion plates. The springs should have appropriate elastic coefficients and lengths to provide sufficient reset force without affecting the normal operation of the extrusion plates.

[0009] In further embodiments, a bidirectional screw is rotatably installed in the workbench, is located on one side of the extrusion plate, is threadedly connected to the sliding block, and is used to drive the sliding block to move relatively. The bidirectional screw should have sufficient precision and strength, and should be connected to the workbench using a bearing or other structure to ensure smooth rotation. The thread of the bidirectional screw should be reasonably designed according to the movement speed and precision requirements of the sliding block.

[0010] In further embodiments, a drive motor is stably installed on the workbench and is used to drive the bidirectional screw to rotate. A gear set is located between the drive motor and the bidirectional screw and is used for power transmission of the drive motor. The drive motor should be selected to have appropriate power and speed to meet the speed and precision requirements of the extrusion plate adjustment. The connection between the drive motor and the workbench should be firm and reliable to prevent vibration or displacement during operation. The gears of the gear set should be made of high-strength materials and have good wear resistance and transmission precision. The transmission ratio of the gear set should be reasonably designed according to the parameters of the drive motor and the bidirectional screw.

[0011] In a further embodiment, a guide rod is stably connected in the workbench on the other side of the extrusion plate, the guide rod penetrates the sliding block, and the guide rod is used to limit the moving track of the sliding block, wherein the guide rod should have sufficient straightness and surface finish to ensure smooth sliding of the sliding block thereon; the diameter and length of the guide rod should be reasonably designed according to the size and movement range of the sliding block.

[0012] In a further embodiment, a protection block is stably connected to one end of the extrusion plate close to the placement plate, wherein the protection block can be made of soft material such as rubber or silicone, and the connection between the protection block and the extrusion plate should be firm and reliable; the size of the protection block should be reasonably designed according to the size of the extrusion plate and the protection needs of the circuit board.

[0013] Beneficial effects: 1. Through the cooperation of the roller shaft, the push rod and the extrusion plate, the roller shaft realizes the continuous conveying of the placement plate, the push rod pushes the placement plate in and out of the through slot, and the extrusion plate automatically extrudes and fixes the circuit board; the purpose of manual fixing of the circuit board is achieved, and only the circuit board needs to be placed on the placement plate during work, and then the cooperation between the push rod and the roller shaft can realize continuous production; this structural cooperation can avoid the displacement and loosening of the circuit board caused by manual fixing or vibration, and ensure the mounting precision and quality.

[0014] 2. Through the cooperation of the driving motor, the gear set, the bidirectional screw rod, the sliding block, the connecting rod and the extrusion plate, the driving motor drives the bidirectional screw rod to rotate to accurately adjust the position of the sliding block, thereby driving the extrusion plate to move and adjust the distance; the purpose of flexibly adjusting the distance between the extrusion plates according to circuit boards of different sizes is achieved, the effect of improving the universality of the carrier is realized, and the production needs of circuit boards of different specifications are met. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0016] Figure 1 It is a structural schematic diagram of the present application.

[0017] Figure 2 It is a structural schematic diagram of the present application. Figure 1 It is a structural schematic diagram of the present application.

[0018] Figure 3 It is a structural schematic diagram of the present application. Figure 1 It is a structural schematic diagram of the present application.

[0019] Figure 4is an exploded view of Figure 1 is an exploded view of

[0020] Figure 5 is a structural schematic view of A of Figure 1

[0021] Figure 6 is a structural schematic view of B of Figure 3

[0022] The reference signs in the drawings are as follows: 1, bottom plate; 2, workbench; 201, through slot; 3, side plate; 4, roller shaft; 5, auxiliary roller; 6, guard plate; 7, push rod; 8, placing plate; 9, extrusion plate; 10, sliding block; 11, connecting rod; 12, auxiliary block; 13, spring; 14, bidirectional screw rod; 15, driving motor; 16, gear set. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] The surface mounting carrier for flexible circuit board production provided by the embodiments of the present application solves the technical problems in the prior art that manual fixing is prone to cause the circuit board to shift and loosen, affecting mounting precision and quality, and it is inconvenient to adjust the spacing between extrusion plates. In actual use, the circuit board is automatically fixed, shifting and loosening are avoided, mounting precision and quality are ensured, the spacing between extrusion plates can be conveniently adjusted, and the purposes of improving production efficiency and versatility are achieved.

[0025] In order to better understand the above technical scheme, the above technical scheme will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0026] Referring to Figures 1-6 ​​The surface mount device for flexible circuit board production comprises a bottom plate 1, a workbench 2 stably installed on the bottom plate 1, a through slot 201 formed in the workbench 2 and penetrating through the workbench 2, at least two extrusion plates 9 slidably connected in the through slot 201 and used for fixing the flexible circuit board, two side plates 3 stably connected to the bottom plate 1 and located below the workbench 2, a plurality of roller shafts 4 rotatably connected between the two side plates 3, a plurality of placing plates 8 placed on the roller shafts 4, the placing plates 8 being located between the two side plates 3, the placing plates 8 being adapted to the roller shafts 4 and the through slot 201 and used for placing the flexible circuit board, and at least one push rod 7 stably installed on the bottom plate 1 and used for pushing the placing plates 8 into the through slot 201 so that the flexible circuit board on the placing plates 8 is in contact with the extrusion plates 9.

[0027] The cooperation of the roller shafts 4, the push rod 7 and the extrusion plates 9 avoids the displacement of the circuit board caused by unfirm manual fixing or vibration.

[0028] A plurality of auxiliary rollers 5 are located on the same horizontal line as the roller shafts 4, directly below the through slot 201 and rotatably connected at one end between the two side plates 3, and the auxiliary rollers 5 are used for assisting in supporting the placing plates 8.

[0029] The auxiliary rollers 5 are located on the same horizontal line as the roller shafts 4, directly below the through slot 201 and rotatably connected at one end between the two side plates 3, which provides auxiliary support for the placing plates 8 when they are moving in and out of the through slot 201, and makes the movement of the placing plates 8 more stable.

[0030] Two protective plates 6 are stably connected to the bottom plate 1, located on both sides of the push rod 7 and rotatably connected to the other side of the auxiliary rollers 5, and the protective plates 6 are used for providing a connection position for the other end of the auxiliary rollers 5.

[0031] The protective plates 6 are stably connected to the bottom plate 1, located on both sides of the push rod 7 and rotatably connected to the other side of the auxiliary rollers 5, which provides a connection position for the other end of the auxiliary rollers 5.

[0032] The sliding block 10 is provided with at least four, and the four sliding blocks 10 are respectively on both sides of the extrusion plate 9, and the sliding block 10 is in sliding connection with the workbench 2; the connecting rod 11 is provided with at least four, and the four connecting rods 11 are stably connected to the sliding block 10 at one end, and the other end of the connecting rod 11 penetrates the extrusion plate 9, and the connecting rod 11 is used for limiting the moving track of the extrusion plate 9; the auxiliary block 12 is provided with at least four, and the four auxiliary blocks 12 are stably connected to the other end of the connecting rod 11 respectively; the spring 13 is provided with at least four, and the four springs 13 are respectively installed on the connecting rod 11, and the spring 13 is between the extrusion plate 9 and the auxiliary block 12, and the spring 13 is used for resetting the extrusion plate 9.

[0033] By sliding the sliding block 10 and the workbench 2, stably connecting the connecting rod 11 to the sliding block 10 at one end and penetrating the extrusion plate 9 at the other end, stably connecting the auxiliary block 12 to the other end of the connecting rod 11, and installing the spring 13 on the connecting rod 11 and between the extrusion plate 9 and the auxiliary block 12, the effect of limiting the moving track of the extrusion plate 9 and providing elastic force for resetting the extrusion plate 9 is realized.

[0034] The bidirectional screw rod 14 is rotatably installed in the workbench 2, and the bidirectional screw rod 14 is on one side of the extrusion plate 9, the bidirectional screw rod 14 is in threaded connection with the sliding block 10, and the bidirectional screw rod 14 is used to drive the relative movement of the sliding block 10.

[0035] By rotatably installing the bidirectional screw rod 14 in the workbench 2 and being on one side of the extrusion plate 9 and in threaded connection with the sliding block 10, the effect of driving the relative movement of the sliding block 10 to adjust the spacing of the extrusion plate 9 to adapt to different sizes of circuit boards is realized.

[0036] The driving motor 15 is stably installed on the workbench 2, and the driving motor 15 is used to drive the bidirectional screw rod 14 to rotate; the gear set 16 is between the driving motor 15 and the bidirectional screw rod 14, and the gear set 16 is used for power transmission of the driving motor 15.

[0037] By stably installing the driving motor 15 on the workbench 2 and connecting the bidirectional screw rod 14 through the gear set 16 for power transmission, the effect of providing power for the rotation of the bidirectional screw rod 14 to automatically adjust the spacing of the extrusion plate 9 is realized.

[0038] The workbench 2 on the other side of the extrusion plate 9 is stably connected with a guide rod, the guide rod penetrates the sliding block 10, and the guide rod is used for limiting the moving track of the sliding block 10.

[0039] By stably connecting the guide rod in the workbench 2 on the other side of the extrusion plate 9 and penetrating the sliding block 10, the effect of further limiting the moving track of the sliding block 10, improving the adjustment precision and stability of the extrusion plate 9 is realized.

[0040] The protection block is stably connected to the extrusion plate 9 near one end of the placement plate 8.

[0041] The protection block is stably connected to the extrusion plate 9 near one end of the placement plate 8.

[0042] In use, first, the driving motor 15 is started, the driving motor 15 drives the bidirectional screw rod 14 to rotate, the bidirectional screw rod 14 promotes the sliding block 10 to move, and then drives the extrusion plate 9 to move to adjust the gap to a suitable position; then, the flexible circuit board is placed on the placement plate 8, the push rod 7 is started, and the push rod 7 pushes the placement plate 8 to move to the direction of the through slot 201; as the push rod 7 drives the placement plate 8 and the circuit board to move upwards, the circuit board contacts the bottom of the extrusion plate 9, and the extrusion plate 9 extrudes the circuit board through the reverse force of the spring 13; after surface mounting, the push rod 7 drives the placement plate 8 to move downwards, at this time, the spring 13 between the top auxiliary block 12 of the connecting rod 11 and the extrusion plate 9 pushes the extrusion plate 9 to move downwards; the spring 13 pushes the extrusion plate 9 to move downwards, which can prepare for the reset of the extrusion plate 9 in subsequent operation, and also prevent the placement plate 8 from being stuck in the through slot 201; then, the placement plate 8 is brought to the auxiliary roller 5, and then the roller shaft 4 is rotated to drive the other side placement plate 8 to move forward, when the other side placement plate 8 moves to below the through slot 201, the push rod 7 pushes it to move upwards, so that the circuit board above it contacts the extrusion plate 9; finally, when the circuit board on the placement plate 8 completes surface mounting, the above process is repeated for the next round of operation.

[0043] The above-mentioned positioning device, detection device, control system and buffer device are all prior art, and are not necessary technical features in the present application, so they are not described and drawn in the documents and drawings of the present application, and the installation positions of these devices can be flexibly selected according to actual production needs and equipment layout.

[0044] Compared with the prior art, the present application has the following beneficial effects: through the cooperation of the bottom plate, workbench, through slot, extrusion plate, side plate, roller shaft, placement plate, push rod and the like, a stable operation platform is provided for surface mounting of the flexible circuit board, and the circuit board is automatically pushed to be fixed, which avoids displacement and loosening of the circuit board caused by unfirm manual fixing or vibration, and ensures mounting precision and quality; the cooperation of the auxiliary roller, roller shaft and protection plate provides auxiliary support when the placement plate enters and exits the through slot, and prevents the placement plate from deviating from the track, so that the movement of the placement plate is more stable; the cooperation of the sliding block, connecting rod, auxiliary block and spring limits the movement track of the extrusion plate and provides elastic force for the reset of the extrusion plate; the cooperation of the bidirectional screw rod, driving motor, gear set and guide rod automatically adjusts the distance between the extrusion plates to adapt to circuit boards of different sizes, and improves the versatility of the carrier.

[0045] The utility model covers any alternative, modification, equivalent method and scheme which are made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the above preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit etc. are not explained in detail.

[0046] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for the ordinary skilled person in the art, under the premise of not departing from the principle of the utility model, a number of improvements and refinements can also be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A surface mount mounting fixture for flexible circuit board production, characterized in that, include: Base plate (1); The workbench (2) is stably installed on the base plate (1); A through slot (201) is provided on the workbench (2), and the through slot (201) passes through the workbench (2). At least two extrusion plates (9) are provided, and the extrusion plates (9) are slidably connected in the through groove (201). The extrusion plates (9) are used to fix the flexible circuit board. There are two side plates (3), which are stably connected to the base plate (1). The side plates (3) are located below the workbench (2), and the two side plates (3) are located on both sides of the through groove (201). Multiple rollers (4) are provided, and the rollers (4) are rotatably connected between two side plates (3); Multiple placement plates (8) are provided, and the placement plates (8) are placed on the roller (4). The placement plates (8) are located between two side plates (3). The placement plates (8) are adapted to the roller (4). The placement plates (8) are adapted to the through groove (201). The placement plates (8) are used to place flexible circuit boards. At least one push rod (7) is provided, and the push rod (7) is located between two side plates (3). The push rod (7) is stably installed on the base plate (1). The push rod (7) is used to push the placement plate (8) into the through slot (201) so that the flexible circuit board on the placement plate (8) contacts the extrusion plate (9).

2. The surface mount mounting fixture for flexible circuit board production according to claim 1, characterized in that, Also includes: Multiple auxiliary rollers (5) are provided, and the auxiliary rollers (5) and the roller shaft (4) are on the same horizontal line. The auxiliary rollers (5) are located directly below the through groove (201). One end of the auxiliary rollers (5) is rotatably connected between two side plates (3). The auxiliary rollers (5) are used to assist in supporting the placement plate (8).

3. The surface mount mounting fixture for flexible circuit board production according to claim 2, characterized in that, Also includes: There are two protective plates (6), and the protective plates (6) are stably connected to the base plate (1). The protective plates (6) are located on both sides of the push rod (7). The protective plates (6) are rotatably connected to the other side of the auxiliary roller (5). The protective plates (6) are used to provide the connection position of the other end of the auxiliary roller (5).

4. The surface mount mounting fixture for flexible circuit board production according to claim 1, characterized in that, Also includes: At least four sliding blocks (10) are provided, and the four sliding blocks (10) are respectively located on both sides of the two extrusion plates (9). The sliding blocks (10) are slidably connected to the worktable (2). There are at least four connecting rods (11), and one end of each of the four connecting rods (11) is stably connected to the sliding block (10), and the other end of each connecting rod (11) passes through the extrusion plate (9). The connecting rods (11) are used to limit the movement trajectory of the extrusion plate (9). At least four auxiliary blocks (12) are provided, and the four auxiliary blocks (12) are stably connected to the other end of the connecting rod (11); At least four springs (13) are provided, and the four springs (13) are respectively installed on the connecting rod (11). The springs (13) are located between the extrusion plate (9) and the auxiliary block (12). The springs (13) are used to reset the extrusion plate (9).

5. A surface mount mounting fixture for flexible circuit board production according to claim 4, characterized in that, Also includes: A bidirectional lead screw (14) is rotatably installed inside the workbench (2). The bidirectional lead screw (14) is located on one side of the extrusion plate (9). The bidirectional lead screw (14) is threadedly connected to the sliding block (10). The bidirectional lead screw (14) is used to drive the sliding block (10) to move relative to each other.

6. A surface mount mounting fixture for flexible circuit board production according to claim 5, characterized in that, Also includes: A drive motor (15) is stably mounted on the worktable (2), and the drive motor (15) is used to drive the bidirectional lead screw (14) to rotate; A gear set (16) is located between the drive motor (15) and the double-acting lead screw (14), and the gear set (16) is used to transmit power to the drive motor (15).

7. A surface mount mounting fixture for flexible circuit board production according to claim 4, characterized in that: A guide rod is stably connected inside the workbench (2) on the other side of the extrusion plate (9). The guide rod passes through the sliding block (10) and is used to limit the movement trajectory of the sliding block (10).

8. The surface mount mounting fixture for flexible circuit board production according to claim 1, characterized in that: The end of the extrusion plate (9) near the placement plate (8) is stably connected to a protective block.

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