CN209949595U - PCB board thickness is even sinks copper frame - Google Patents
PCB board thickness is even sinks copper frame Download PDFInfo
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- CN209949595U CN209949595U CN201920464171.8U CN201920464171U CN209949595U CN 209949595 U CN209949595 U CN 209949595U CN 201920464171 U CN201920464171 U CN 201920464171U CN 209949595 U CN209949595 U CN 209949595U
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Abstract
The utility model relates to a PCB board thickness evenly sinks copper frame for the carrier in the PCB board heavy copper process, this heavy copper frame includes the framework, the framework bottom evenly is provided with many bearing racks, bearing rack tooth face is up, the framework evenly is provided with many pinion racks that are parallel to each other from top to bottom in the side at bearing rack both ends place, the tooth of pinion rack is right angled triangle, it has a plurality of regulating parts to distribute on the pinion rack, the regulating part embeds block portion, the regulating part can be along tooth inclined plane rising direction on the pinion rack, when static, the locking of regulating part is accomplished with tooth right angle side butt in block portion, block portion is provided with the release mechanism who is used for extrudeing block portion pivoted; connect a clamping part between two liang of regulating parts of framework both sides face, the clamping part is covered with many rings of "V" shape grooves along the axial in proper order, and the clamping part is provided with buffer spring with the installation department of regulating part, and the unstable problem of centre gripping and the inconvenient problem of operation that simple mechanical cooperation caused among the prior art have been solved to this scheme.
Description
Technical Field
The utility model relates to a PCB board sinks the copper field, concretely relates to PCB board is thick evenly sinks copper frame of thin.
Background
The general process flow of the PCB comprises the following steps: cutting, drilling, copper precipitation, pattern transfer, pattern electroplating, etching, solder resistance, characters, surface treatment, beer, final inspection, packaging and shipment. Wherein. The electroless Copper plating (electroless plating Copper) is called Plated Through Hole (PTH) for short, and is an autocatalytic redox reaction. The PTH process is performed after drilling of two or more layers.
In the prior art, a copper deposition process generally places PCB boards in a copper deposition frame, and then puts the PCB boards into copper deposition liquid, the requirement of the copper deposition frame is that each PCB board must be ensured to be fixed, a gap is reserved between each PCB board, meanwhile, large-area coverage of the PCB boards cannot be caused in the fixing process, the existing common structure is that a tooth-shaped lath is added in the copper deposition frame for fixing, and the tooth-shaped lath is fixed through a bolt structure, and the problem is that the copper deposition process faces; because the copper deposition technology is to plate a layer of thin copper on the surface of an object, a layer of copper can be plated on a fixing bolt in the copper deposition process, the copper deposition in the thread on the screw rod is not easy to clean, the bolt can be abandoned after the copper deposition for many times, and the bolt can not be reused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provide a PCB with a thick and thin copper frame, and aims to solve the problems of bolt abandonment and difficult screwing caused by copper deposition in the bolt fixing mode in the prior art; secondly, still provide a buffer structure to improve the interference fit between dentate lath and the PCB board, strengthen the stability of PCB board.
The purpose of the utility model is realized through the following technical scheme:
a copper deposition frame with uniform thickness of a PCB (printed circuit board) is used for a carrier in the copper deposition process of the PCB, and comprises a frame body, wherein a plurality of bearing racks are uniformly arranged at the bottom of the frame body, the tooth surfaces of the bearing racks face upwards, a plurality of toothed plates which are parallel to each other are uniformly arranged on the side surfaces of two ends of each bearing rack from top to bottom of the frame body, and teeth of the toothed plates are in a right-angled triangle shape;
the tooth plate is provided with a plurality of adjusting parts, the adjusting parts are internally provided with clamping parts, the adjusting parts can move on the tooth plate along the ascending direction of tooth inclined planes, when the adjusting parts are static, the clamping parts are abutted against the right-angled sides of the teeth to complete the locking of the adjusting parts, and the clamping parts are provided with unlocking mechanisms for extruding the rotation of the clamping parts;
a clamping part is connected between every two adjusting parts on two side surfaces of the frame body, a plurality of circles of V-shaped grooves are sequentially distributed on the clamping part along the axial direction, and buffer springs are arranged at the installation positions of the clamping part and the adjusting parts.
The improvement point of this scheme includes two points, and improvement point utilizes right angle sawtooth and block portion complex characteristic (one-way slip) firstly for the removal and the fixed of regulating part, the position removal of having accomplished the clamping part compares with the mode that uses the bolt fastening among the prior art, and this mode is adjusted the operation simpler, adjusts fast, and not first heavy copper influence, even after heavy copper many times repeatedly, the cooperation of sawtooth and block portion is still not influenced.
The improvement point II lies in that a buffer spring is arranged between the end part of the clamping part and the adjusting part, so that the clamping part always moves towards the elastic side, the V-shaped groove of the clamping part can be ensured to form interference fit with the side surface of the PCB, and looseness is prevented.
Further, block portion is three hornblocks, and three hornblock center trompil is installed in the casing of regulating part, installs reset spring between three hornblocks and the casing top inboard, and three hornblocks block is between two teeth of pinion rack under the reset spring reset state. The triangular block is hinged in the shell, the triangular block is always kept in a clamping state through the reset spring, and under the stress condition, the moving direction moves along the ascending direction of the bevel edge of the tooth, so that the bevel surface of the tooth pushes the triangular block to turn upwards, and the unidirectional movement of the adjusting part is completed.
Further, release mechanism includes the depression bar, articulated piece, the depression bar is stretched into by the casing top, the depression bar end is articulated through articulated piece and triangle piece, its pin joint is located the offside of triangle piece snap-on point, after heavy copper is accomplished, the PCB board need be taken off, need the reverse movement regulating part this moment, just must carry out the unblock to the snap-on state, the mode of unblock is exactly to rotate the triangle piece, consequently, this scheme utilizes the one corner of depression bar extrusion triangle piece, make it rotate around the centre bore, thereby accomplish the unblock, whole easy operation is swift, need not be like twisting the bolt among the conventional art, and the work efficiency is improved.
Furthermore, a butt joint hole position is formed in the side face of the adjusting portion, a partition plate is arranged in the butt joint hole position, one side of the partition plate is in butt joint with the end portion of the clamping portion, a buffer spring is arranged on the other side of the partition plate, the buffer spring pushes the partition plate to complete extrusion on the clamping portion through abutting of the partition plate and the end portion of the clamping portion, and reliability of actions is guaranteed.
Further, tooth symmetric distribution is in both sides about the pinion rack, and is corresponding, block portion symmetric position is in the regulation portion about the side, and the downside all sets up the tooth and can improve the stability after the regulation portion is fixed.
Further, the tooth orientation is bilateral symmetry distribution with the pinion rack mid point, and pinion rack left side tooth right-angle side is right promptly, and pinion rack right side tooth right-angle side is left, and tooth bilateral symmetry sets up, the stroke in the reducible regulating part adjustment process to shorten operating time.
Further, the pinion rack middle part is equipped with one section smooth region, and the purpose that sets up the smooth region of one end is the regulation portion dislocation of avoiding the left and right sides, gets into reverse tooth region, causes the problem of adjusting the difficulty.
The utility model has the advantages that: compare with current heavy copper frame, this scheme utilizes the combination of sawtooth and block portion to carry out the fixed of regulating part, thereby indirectly accomplish the fixed of clamping part, the V-arrangement groove on the clamping part is used for blocking the PCB board, its block mode is unanimous with prior art, its main advantage lies in that this scheme is not suitable for the bolt to be adjusted, but use the slip of regulating part and accomplish fixedly with the sawtooth block, fixed back provides the interference fit between clamping part and the PCB board by buffer spring, the unstable problem of centre gripping that simple mechanical cooperation caused among the prior art has been solved.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the clamping portion of the present invention;
FIG. 4 is a schematic view of the end face of the clamping portion of the present invention;
FIG. 5 is an internal structure view of the adjusting part of the present invention;
FIG. 6 is a schematic view of the adjusting part of the present invention during reverse adjustment;
fig. 7 is a front view of the adjusting portion of the present invention;
fig. 8 is an inner structure view of the adjusting portion of the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
The utility model provides a PCB board thickness is thin evenly heavy copper frame for the carrier in the heavy copper process of PCB board, this heavy copper frame includes framework 1, and the shape of framework 1 can be set up according to concrete use, and it mainly includes two kinds, and one kind is the cube structure as drawn in this embodiment, and another kind can be designed for 'L' shape, opens on one side on the cube shape basis and establishes an opening as the operation mouth promptly, and above two kinds of shapes are the shape lectotype commonly used at present.
As shown in figure 1 of the drawings, in which,
in order to place the PCB, a plurality of bearing racks 2 are uniformly arranged at the bottom of the frame body 1, tooth surfaces of the bearing racks 2 face upwards, the structure of the PCB is as shown in figure 2, the PCB is placed on the heavy racks 2, and a gap is reserved between every two adjacent PCBs by means of the distance between every two teeth, so that the normal operation of a copper deposition process is guaranteed.
In order to further fix the gap between the PCBs, the side surfaces of the PCBs need to be fixed by using the serrated plates with the same tooth pitch, in this embodiment, the serrated plates are modified into the clamping portion 5, the structure of the clamping portion 5 is as shown in fig. 3 and 4, the clamping portion is essentially a cylinder with a circular end surface, the cylinder is sequentially and axially distributed with a plurality of circles of V-shaped grooves, and the gap of the V-shaped grooves is consistent with the gap of the teeth of the bearing rack 2, so that the PCBs are parallel to each other after the PCBs are placed.
As shown in fig. 2, as an embodiment for adjusting the clamping portion 5, in the present embodiment, a plurality of toothed plates 3 parallel to each other are uniformly arranged on the side surface of the frame 1 where the two ends of the bearing rack 2 are located from top to bottom, in the present embodiment, the bearing rack 2 is arranged in front of and behind, so the parallel toothed plates 3 are arranged on the front side surface and the back side surface of the frame 1, as can be seen from fig. 2, two toothed plates 3 are involved in the present embodiment, and the teeth of the toothed plates 3 are in a right triangle shape; the tooth plate 3 has two types, one is provided with teeth on one side, and the other is provided with teeth on two sides.
As the preferred embodiment of installation of a clamping part 5, it has a plurality of regulation portions 4 to distribute on the pinion rack 3, as shown in fig. 1, four regulation portions 4 have been cup jointed on the pinion rack 3, control respectively two, in order to reduce the regulation stroke of regulation portion 4, tooth orientation on the pinion rack 3 is bilateral symmetry with the mid point, 3 left side tooth right-angle sides of pinion rack face right promptly, 3 right side tooth right-angle sides of pinion rack face left, 3 middle parts of pinion rack are equipped with one section smooth region, its purpose makes the regulation region of regulation portion 4 only limit in one section of its place side, thereby half more than regulation stroke has been shortened.
As shown in fig. 5, the adjusting portion 4 is used for installing the clamping portion 5, and the clamping portion 5 is used for fixing a PCB, so that the adjusting portion 4 must have a flexible moving manner and a flexible positioning manner, in this embodiment, the adjusting portion 4 includes a housing 41, a clamping portion 42, a rotating shaft 43, a pressing rod 44, a hinge sheet 45, and a return spring 46, the housing 41 is a cubic structure, the left and right sides of the housing are open, as shown in fig. 7, the housing penetrates into the toothed plate 3 along the opening, the upper and lower sides in the housing 4 are respectively provided with one rotating shaft 43, the clamping portion 42 is designed as a triangular block structure, a central opening of the triangular block is installed on the rotating shaft, the left corner of the triangular block is connected with the end of the pressing rod 44 through the hinge sheet 45, the top end of the pressing rod 44 extends out of the top of the housing 41 and is provided with a pressing cap, the right side of the triangular, under the initial condition, the one corner of triangle piece is vertical downwards for block whole regulating part 4, prevent its reverse movement, accomplish the structural design of regulating part 4 so far, clamping part 5 then installs on two regulating part 4 of framework 1 front side and back side door.
In order to realize the installation of the clamping part 5, the opposite sides of the two adjusting parts 4 on the front and rear sides are provided with butt joint hole positions 47, a partition plate 48 is arranged in the butt joint hole positions 47, one side of the partition plate 48 is in butt joint with the end part of the clamping part 5, and the other side is provided with a buffer spring 49, and the specific structure is shown in fig. 8.
Description of the working principle:
when the PCB needs to be placed, press down the depression bar 44 to adjust the left and right sides that clamping part 5 is located framework 1, put into the PCB in proper order with the tooth's socket of bearing rack 2 as the unit, then remove regulating part 4, make clamping part 5 be located the left and right sides of PCB, make the side of PCB be located the V-arrangement inslot of clamping part 5 simultaneously, clamping part 5 keeps interference fit with PCB board side under buffer spring 49's effect simultaneously, after heavy copper technology is accomplished, press down depression bar 44 reverse movement clamping part 5, accomplish taking off of PCB, whole flow operation need not with the help of any appurtenance, and operating time obviously shortens.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as described herein by the teachings or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. A copper deposition frame with a uniform PCB (printed circuit board) thickness is used as a carrier in a PCB copper deposition process, and comprises a frame body (1), wherein a plurality of bearing racks (2) are uniformly arranged at the bottom of the frame body (1), the tooth surfaces of the bearing racks (2) are upward, the copper deposition frame is characterized in that a plurality of toothed plates (3) which are parallel to each other are uniformly arranged on the side surfaces of the frame body (1) where two ends of each bearing rack (2) are located from top to bottom, and the teeth of the toothed plates (3) are in a right triangle shape;
the tooth plate (3) is provided with a plurality of adjusting parts (4), the adjusting parts (4) are internally provided with clamping parts (42), the adjusting parts (4) can move on the tooth plate (3) along the ascending direction of tooth inclined planes, when the tooth plate is static, the clamping parts (42) are abutted against the right-angle sides of the teeth to complete the locking of the adjusting parts (4), and the clamping parts (42) are provided with unlocking mechanisms for extruding the rotation of the clamping parts (42);
a clamping part (5) is connected between every two adjusting parts (4) on two side faces of the frame body (1), a plurality of circles of V-shaped grooves are sequentially distributed on the clamping part (5) along the axial direction, and a buffer spring (49) is arranged at the installation position of the clamping part (5) and the adjusting parts (4).
2. The PCB plate thickness uniformity copper deposition frame according to claim 1, wherein the clamping part (42) is a triangular block, a central opening of the triangular block is installed in a shell (41) of the adjusting part (4), a return spring (46) is installed between the triangular block and the inner side of the top of the shell (41), and the triangular block is clamped between two teeth of the toothed plate (3) in a return state of the return spring (46).
3. The PCB plate thickness uniformity counter copper frame of claim 2, wherein the unlocking mechanism comprises a pressure lever (44) and a hinge plate (45), the pressure lever (44) extends from the top of the shell (41), the end of the pressure lever (44) is hinged with the triangular block through the hinge plate (45), and the hinge point is located on the opposite side of the clamping point of the triangular block.
4. The PCB plate thickness uniformity copper frame of claim 2, wherein the side of the adjusting part (4) is provided with a butt joint hole (47), a baffle plate (48) is arranged in the butt joint hole (47), one side of the baffle plate (48) is butted with the end part of the clamping part (5), and the other side is provided with a buffer spring (49).
5. The PCB plate thickness uniformity copper deposition frame according to any one of claims 1-4, wherein the teeth are symmetrically distributed on the upper and lower sides of the toothed plate (3), and correspondingly, the clamping parts (42) are symmetrically positioned on the upper and lower sides of the adjusting part (4).
6. The PCB plate thickness uniform copper frame according to claim 5, wherein the tooth orientations are distributed in bilateral symmetry with the middle point of the tooth plate (3), that is, the right-angled side of the tooth plate (3) at the left side faces right, and the left-angled side of the tooth plate (3) at the right side faces left.
7. The PCB plate thickness uniformity copper frame of claim 6, characterized in that the toothed plate (3) is provided with a section of smooth area in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920464171.8U CN209949595U (en) | 2019-04-08 | 2019-04-08 | PCB board thickness is even sinks copper frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920464171.8U CN209949595U (en) | 2019-04-08 | 2019-04-08 | PCB board thickness is even sinks copper frame |
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| Publication Number | Publication Date |
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| CN209949595U true CN209949595U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920464171.8U Active CN209949595U (en) | 2019-04-08 | 2019-04-08 | PCB board thickness is even sinks copper frame |
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| CN (1) | CN209949595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112353061A (en) * | 2020-11-11 | 2021-02-12 | 新昌县城关新胜轴承厂 | Non-shifting conveying device for shoe production |
| CN112735738A (en) * | 2020-12-11 | 2021-04-30 | 安徽华能集团电器有限公司 | Voltage transformer with quick-release end cover |
-
2019
- 2019-04-08 CN CN201920464171.8U patent/CN209949595U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112353061A (en) * | 2020-11-11 | 2021-02-12 | 新昌县城关新胜轴承厂 | Non-shifting conveying device for shoe production |
| CN112353061B (en) * | 2020-11-11 | 2022-05-31 | 湖南步升体育用品有限公司 | Non-shifting conveying device for shoe production |
| CN112735738A (en) * | 2020-12-11 | 2021-04-30 | 安徽华能集团电器有限公司 | Voltage transformer with quick-release end cover |
| CN112735738B (en) * | 2020-12-11 | 2022-08-30 | 安徽华能集团电器有限公司 | Voltage transformer with quick-release end cover |
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