阅读说明：本技术 一种pcb板喷码用夹持装置 (PCB board spouts a yard and uses clamping device ) 是由 沈龙 刘明星 李军 张胜 于 2020-12-25 设计创作，主要内容包括：本发明公开了一种PCB板喷码用夹持装置,包括底座,所述底座上经由基板活动连接有安装座,安装座上间隔布设有两个限位座,限位座经由安装轴连接有基座；所述PCB板喷码用夹持装置通过液压伸缩杆控制两个限位块进行展开或闭合,便于对PCB板进行装夹,且只需占据很小的装夹区域,便于进行喷涂；通过设置蜗轮蜗杆啮合,便于驱使PCB板进行整体翻转,通过减速电机驱使驱动轴与装配轴传动,使得PVB板进行间歇运转,便于获取不同造型的喷码,提高了加工的灵活性；通过调节丝杆便于调节两个限位座的初始间距,便于PCB板的装夹；此外,通过在底座及基板之间设置有缓冲结构,有效降低所述夹持装置运转时的震动冲击,确保喷码的质量。(The invention discloses a clamping device for code spraying of a PCB (printed circuit board), which comprises a base, wherein the base is movably connected with a mounting seat through a substrate, two limiting seats are distributed on the mounting seat at intervals, and the limiting seats are connected with a base through mounting shafts; the clamping device for code spraying of the PCB controls the two limiting blocks to be unfolded or closed through the hydraulic telescopic rod, so that the PCB can be clamped conveniently, and the clamping device only needs to occupy a small clamping area, so that the spraying is convenient; the PCB is convenient to be integrally turned over by the arrangement of the worm and gear meshing, the driving shaft and the assembly shaft are driven to be in transmission by the speed reducing motor, so that the PVB is intermittently operated, code spraying of different shapes is convenient to obtain, and the processing flexibility is improved; the initial distance between the two limiting seats can be conveniently adjusted through the adjusting screw rod, and the PCB can be conveniently clamped; in addition, through being provided with buffer structure between base and base plate, effectively reduce the vibrations when clamping device operates are strikeed, ensure the quality of spouting the sign indicating number.)

1. A clamping device for code spraying of a PCB comprises a base (1) and is characterized in that the base (1) is movably connected with a mounting seat (3) through a substrate (2), two limiting seats (4) are distributed on the mounting seat (3) at intervals, and the limiting seats (4) are connected with a base (17) through mounting shafts (16); mounting panel (22) and fixing base (24) have been laid to the inboard interval of base (17), evenly install a plurality of horizontally hydraulic telescoping rod (23) between mounting panel (22) and base (17), one side that mounting panel (22) deviates from hydraulic telescoping rod (23) is rotated and is connected with two actuating lever (27), two actuating lever (27) are the V-arrangement, rotate on fixing base (24) and install two gag lever post (25) that cross the setting, two actuating lever (27) rotate with gag lever post (25) that correspond respectively and are connected, the one end of gag lever post (25) extends to the outside of base (17) and is equipped with stopper (26).

2. The clamping device for PCB code spraying according to claim 1, wherein one end of one of the mounting shafts (16) extends to the inside of the limiting seat (4) and is assembled with a worm wheel (18), the lower end of the worm wheel (18) is connected with a worm (19) in a transmission manner, and one end of the worm (19) is connected with a motor in a transmission manner.

3. The clamping device for the code spraying of the PCB as claimed in claim 1, wherein the mounting seat (3) is provided with a horizontal adjusting screw rod (20) and a horizontal transmission rod (21) at intervals, the adjusting screw rod (20) is a bidirectional screw rod, one end of the adjusting screw rod (20) extends into the mounting seat (3) and is connected with a motor in a transmission manner, two limiting seats (4) are arranged between the adjusting screw rod (20) and the transmission rod (21) at intervals, and the two limiting seats (4) are in reverse transmission fit with the adjusting screw rod (20) and are in sliding connection with the transmission rod (21).

4. The PCB clamping device for code spraying of the claim 3, characterized in that a vertical assembly shaft (10) is installed between the base plate (2) and the installation seat (3), one end of the assembly shaft (10) extends to the inside of the base plate (2) and is assembled with a driven wheel (11), a vertical driving shaft (12) is assembled inside the base plate (2), the driving shaft (12) is located on one side of the assembly shaft (10), a linkage wheel (13) and a driving wheel (14) are installed on the driving shaft (12) at intervals, one side of the driving wheel (14) is in transmission connection with a speed reduction motor, and the linkage wheel (13) is an incomplete gear and is in transmission engagement with the driven wheel (11).

5. The clamping device for PCB code spraying according to claim 2, wherein a plurality of vertical guide rods (8) are evenly distributed on the base (1), the cross section of each guide rod (8) is T-shaped, the base plate (2) and the guide rods (8) are installed in a sliding way, a plurality of horizontal shock-absorbing rods (5) are arranged on the inner side of the base (1) at intervals, two sliding blocks (6) are arranged on the shock-absorbing rods (5) at intervals in a sliding manner, an inclined connecting rod (28) is connected between each sliding block (6) and the corresponding base plate (2), two ends of each connecting rod (28) are respectively rotatably connected with the corresponding base plate (2) and the corresponding sliding block (6), a horizontal first buffer spring (7) is connected between one side of each sliding block (6), which is far away from the middle position of the shock-absorbing rod (5), and the base (1), and the first buffer springs (7) are arranged on the periphery of the shock-absorbing rods (, and a vertical second buffer spring (15) is arranged on the guide rod (8) and positioned at the periphery of the lower end part of the base plate (2).

6. The clamping device for PCB code spraying according to claim 5, wherein the upper end surface of the guide rod (8) is provided with a damping block (9) made of rubber.

7. The clamping device for PCB code spraying according to claim 1, wherein the base (1) is uniformly provided with a plurality of through threaded holes.

Technical Field

The invention relates to the field of PCB production, in particular to a clamping device for PCB code spraying.

Background

The PCB is called a Printed Circuit Board (PCB) in the name of Chinese, also called a PCB, is an important electronic component, is a support body of an electronic component, and is a carrier for electrical connection of the electronic component; since it is made by electronic printing, it is called a "printed" circuit board, which is developed from single-layer to double-sided, multi-layer and flexible, and still maintains its own trend. Due to the continuous development towards high precision, high density and high reliability, the volume is continuously reduced, the cost is reduced, and the performance is improved, so that the printed board still keeps strong vitality in the development engineering of future electronic equipment. The code spraying is needed to be carried out on the printed circuit board in the production process so as to be convenient for identification, the printed circuit board needs to be clamped and fixed when the code is sprayed, the existing clamping device needs to occupy too much area of the printed circuit board when clamping, so that inconvenience exists when the code is sprayed, and the position of the printed circuit board cannot be adjusted in the code spraying process so as to be inconvenient for obtaining the code spraying of different shapes; therefore, there is a need for improvements in the prior art.

Disclosure of Invention

The invention aims to provide a clamping device for PCB code spraying, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a clamping device for code spraying of a PCB comprises a base, wherein a mounting seat is movably connected to the base through a base plate, two limiting seats are distributed on the mounting seat at intervals, and the limiting seats are connected with a base through mounting shafts; as a further scheme of the invention: mounting panel and fixing base have been laid to the inboard interval of base, evenly install a plurality of horizontally hydraulic telescoping rod between mounting panel and the base, and one side that the mounting panel deviates from hydraulic telescoping rod is rotated and is connected with two actuating levers, and two actuating levers are the V-arrangement, rotate on the fixing base and install two cross arrangement's gag lever post, and two actuating levers rotate with the gag lever post that corresponds respectively and are connected, and the one end of gag lever post extends to the outside of base and is equipped with the stopper.

As a further scheme of the invention: one end of the mounting shaft extends to the inside of the limiting seat and is provided with a worm wheel, the lower end of the worm wheel is connected with a worm in a transmission mode, and one end of the worm is connected with a motor in a transmission mode.

As a further scheme of the invention: horizontal adjusting screw rods and transmission rods are installed on the installation seats at intervals, the adjusting screw rods are bidirectional screw rods, one ends of the adjusting screw rods extend to the inside of the installation seats and are connected with a motor in a transmission mode, two limiting seats are installed between the adjusting screw rods and the transmission rods at intervals, and the two limiting seats are in reverse transmission fit with the adjusting screw rods and are in sliding connection with the transmission rods.

As a further scheme of the invention: install vertical assembly shaft between base plate and the mount pad, the one end of assembly shaft extends to the inside of base plate and is equipped with from the driving wheel, and the inside of base plate is equipped with vertical drive shaft, and the drive shaft is located one side of assembly shaft, and the interval is installed linkage wheel and drive wheel on the drive shaft, and one side transmission of drive wheel is connected with gear motor, and the linkage wheel is incomplete gear and meshes with the driven wheel transmission.

As a further scheme of the invention: evenly laid a plurality of vertical guide bars on the base, the cross-section of guide bar is the T shape, base plate and guide bar slidable mounting, a plurality of horizontally shock attenuation poles are installed to the inboard interval of base, and interval slidable mounting has two sliders on the shock attenuation pole, is connected with the connecting rod of slope between slider and the base plate, and the both ends of connecting rod rotate with base plate and slider respectively to be connected, and the slider deviates from and is connected with the first buffer spring of horizontally between one side of shock attenuation pole intermediate position and the base, and first buffer spring installs in the periphery of shock attenuation pole, the guide bar is located tip periphery and installs vertical second buffer spring under the base plate.

As a further scheme of the invention: and the upper end face of the guide rod is provided with a damping block made of rubber.

As a further scheme of the invention: and a plurality of through threaded holes are uniformly distributed on the base.

Compared with the prior art, the invention has the beneficial effects that: the clamping device for code spraying of the PCB controls the two limiting blocks to be unfolded or closed through the hydraulic telescopic rod, so that the PCB can be clamped conveniently, and the clamping device only needs to occupy a small clamping area, so that the spraying is convenient; the PCB is convenient to be integrally turned over by the arrangement of the worm and gear meshing, the driving shaft and the assembly shaft are driven to be in transmission by the speed reducing motor, so that the PVB is intermittently operated, code spraying of different shapes is convenient to obtain, and the processing flexibility is improved; the initial distance between the two limiting seats can be conveniently adjusted through the adjusting screw rod, and the PCB can be conveniently clamped; in addition, through being provided with buffer structure between base and base plate, effectively reduce the vibrations when clamping device operates are strikeed, ensure the quality of spouting the sign indicating number.

Drawings

Fig. 1 is a schematic structural diagram of a clamping device for code spraying of a PCB.

Fig. 2 is a schematic diagram of the arrangement of the limiting seat on the mounting seat in the clamping device for PCB code spraying.

FIG. 3 is a schematic diagram of the transmission connection between a driven wheel and a linkage wheel in the clamping device for PCB code spraying.

Fig. 4 is an enlarged view of a portion a in fig. 1.

In the figure: 1-base, 2-base plate, 3-mounting base, 4-limiting base, 5-shock-absorbing rod, 6-sliding block, 7-first buffer spring, 8-guide rod, 9-shock-absorbing block, 10-assembly shaft, 11-driven wheel, 12-driving shaft, 13-linkage wheel, 14-driving wheel, 15-second buffer spring, 16-mounting shaft, 17-base, 18-worm wheel, 19-worm, 20-adjusting screw rod, 21-driving rod, 22-mounting plate, 23-hydraulic telescopic rod, 24-fixing base, 25-limiting rod, 26-limiting block, 27-driving rod and 28-connecting rod.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-4, a clamping device for code spraying of a PCB comprises a base 1, wherein the base 1 is movably connected with a mounting base 3 through a substrate 2, two limiting bases 4 are arranged on the mounting base 3 at intervals, and the limiting bases 4 are connected with a base 17 through mounting shafts 16; mounting panel 22 and fixing base 24 have been laid to base 17's inboard interval, evenly install a plurality of horizontally hydraulic telescoping rod 23 between mounting panel 22 and the base 17, one side that mounting panel 22 deviates from hydraulic telescoping rod 23 is rotated and is connected with two actuating lever 27, two actuating lever 27 are the V-arrangement, rotate on the fixing base 24 and install two gag lever post 25 that alternately set up, two actuating lever 27 rotate with the gag lever post 25 that corresponds respectively and are connected, the one end of gag lever post 25 extends to the outside of base 17 and is equipped with stopper 26, order about mounting panel 22 straight removal through hydraulic telescoping rod 23, order about two gag lever posts 25 under actuating lever post 27's transmission and expand each other or close up, thereby utilize stopper 26 to carry out the centre gripping to the PCB board, reduce the centre gripping area, be convenient for spout.

Furthermore, one of them one end of installation axle 16 extends to the inside of spacing seat 4 and is equipped with worm wheel 18, and the lower extreme transmission of worm wheel 18 is connected with worm 19, and the one end transmission of worm 19 is connected with the motor to order about the PCB board after the clamping and overturn, convenient processing.

Further, horizontal accommodate the lead screw 20 and transfer line 21 are installed at the interval on the mount pad 3, accommodate the lead screw 20 and be two-way lead screw, and accommodate the lead screw 20 one end extends to the inside of mount pad 3 and the transmission is connected with the motor, and two spacing seats 4 are installed at the interval between accommodate the lead screw 20 and the transfer line 21, two spacing seats 4 with accommodate the lead screw 20 reverse drive cooperation and with transfer line 21 sliding connection to adjust the initial interval of two spacing seats 4, be convenient for the different specifications of clamping PCB board.

Further, install vertical assembly axle 10 between base plate 2 and the mount pad 3, the one end of assembly axle 10 extends to the inside of base plate 2 and is equipped with from driving wheel 11, the inside of base plate 2 is equipped with vertical drive shaft 12, drive shaft 12 is located one side of assembly axle 10, linkage wheel 13 and drive wheel 14 are installed at the interval on the drive shaft 12, one side transmission of drive wheel 14 is connected with gear motor, linkage wheel 13 is incomplete gear and with from driving wheel 11 transmission meshing, so that order about the PCB board intermittent rotation after the clamping, be convenient for obtain the sign indicating number of different figurations.

Further, evenly laid a plurality of vertical guide bars 8 on the base 1, the cross-section of guide bar 8 is the T shape, base plate 2 and 8 slidable mounting of guide bar, a plurality of horizontally shock-absorbing rod 5 are installed to the inboard interval of base 1, interval slidable mounting has two sliders 6 on the shock-absorbing rod 5, be connected with the connecting rod 28 of slope between slider 6 and the base plate 2, the both ends of connecting rod 28 rotate with base plate 2 and slider 6 respectively and are connected, be connected with the first buffer spring 7 of horizontally between one side that slider 6 deviates from the shock-absorbing rod 5 intermediate position and the base 1, first buffer spring 7 is installed in the periphery of shock-absorbing rod 5, vertical second buffer spring 15 is installed to tip periphery under the guide bar 8 is located base plate 2 for reduce the vibrations of base plate 2 during operation, promote the stationarity of clamping.

Furthermore, the upper end face of the guide rod 8 is provided with a damping block 9 made of rubber for reducing the impact force of the mounting base 3 on the guide rod 8.

The working principle of the embodiment is as follows:

during actual use, according to the size specification of the PCB, the adjusting screw rod 20 is started to enable the two limiting seats 4 to be close to or far away from each other, so that an appropriate initial distance is obtained, the PCB to be clamped is placed between the two limiting seats 4, the hydraulic telescopic rod 23 is started to drive the mounting plate 22 to move straightly, the two limiting rods 25 are driven to be unfolded or folded under the transmission action of the driving rod 27, so that the limiting blocks 26 are utilized to clamp the PCB, the clamping area is reduced, and code spraying is facilitated; in the process of code spraying, the position of the PCB can be adjusted, and the reduction motor is started to be meshed with the driving wheel 14, so that the driving shaft 12 drives the linkage wheel 13 to be intermittently meshed with the driven wheel 11, thereby realizing the intermittent rotation of the PCB and facilitating the obtaining of different code spraying models; the starting worm 19 is meshed with the worm wheel 18, so that the mounting shaft 16 drives the PCB to turn over, and code spraying is convenient for different positions; in addition, when the clamping device receives the impact force during the operation, base plate 2 slides along guide bar 8, drives about slider 6 simultaneously under the transmission of connecting rod 28 and slides along shock-absorbing rod 5 to make first buffer spring 7 and second buffer spring 15 cooperate, effectively alleviate the vibrations of base plate 2, make clamping device operate steadily, be convenient for spout the sign indicating number.

Example 2

In order to facilitate the installation and fixation of the clamping device, the present embodiment is improved on the basis of embodiment 1, and the improvement is as follows: evenly lay a plurality of screw holes that link up on the base 1 to it is right to adopt the bolt clamping device assembles fixedly, the simple operation.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution. The protection scope of this technical solution patent should be subject to the appended claims.