CN213694331U - Positioning jig applied to double-sided printing of PCB - Google Patents

Abstract

The utility model relates to a PCB board processing technology field specifically is a be applied to positioning jig of two-sided printing of PCB board, including the base plate and set up the PCB board on the base plate again, base plate top both ends are all fixed and are provided with the riser, the both ends of PCB board are equipped with positioning jig, positioning jig includes two sets of L shape locating plates, two sets of L shape locating plates slidable mounting are on the base plate and its one end fixedly connected with stopper that is close to the PCB board, two sets of L shape locating plates are close to the one end fixed connection support column of riser, the riser has been seted up and has been led to the complex logical groove with the support column, the standing groove has all been seted up at both ends about leading to the inslot wall, be equipped with second spring and fixture block in the standing groove in proper order. This device utilizes two sets of L shape locating plates to press from both sides tightly or relax the PCB board, provides fine operation basis for later stage printing mechanism, ensures the printing quality of PCB board.

Description

Positioning jig applied to double-sided printing of PCB

Technical Field

The utility model relates to a PCB board processing technology field specifically is a be applied to positioning jig of PCB board two-sided printing.

Background

With the increasing competition of the PCB industry, how to reduce the cost of the PCB, shorten the production delivery period and improve the product quality has become the main subject of each company at present, and the printing is a technological process with high difficulty of PCB operation and long production period all the time.

Application number is CN201920872093.5 chinese utility model patent a be applied to positioning jig of two-sided printing of PCB board, it includes the tool bottom plate, is provided with the location nail that a plurality of arrays were arranged on the tool bottom plate, and the surface of location nail has the toper surface, and the bottom surface of location nail is connected with the first layer of pasting, and first layer of pasting is fixed to be set up on the tool bottom plate, fixedly connected with printing support board on a plurality of location nails, and the PCB board prints in the printing support board. The utility model discloses a compare in prior art and can promote the operating efficiency effectively, reduction in production cost effectively simultaneously. However, this device has problems: this positioning jig centre gripping effect is poor, and the PCB board easily takes place the skew in printing process, influences printing quality.

In view of this, we propose a positioning fixture applied to double-sided printing of PCB.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to positioning jig of PCB board two-sided printing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning fixture for double-sided printing of PCB board comprises a substrate and a PCB board disposed on the substrate, vertical plates are fixedly arranged at both ends of the top of the base plate, positioning jigs are arranged at both ends of the PCB, the positioning jig comprises two groups of L-shaped positioning plates which are arranged on the base plate in a sliding way, and one end of each L-shaped positioning plate close to the PCB is fixedly connected with a limiting block, the side wall of the PCB board is provided with a transverse slot for accommodating a limiting block, one end of each group of L-shaped positioning plates close to the vertical plate is fixedly connected with a supporting column, the vertical plate is provided with a through groove which is matched with the support column in the axial direction, the upper end and the lower end of the inner wall of the through groove are both provided with a placing groove, a second spring and a clamping block are sequentially arranged in the placing groove, the support column is matched with the through groove in a sliding way, and the side wall of the supporting column is provided with a plurality of groups of positioning holes, one end of the fixture block is fixedly connected with the second spring, and the other end of the fixture block is inserted into one group of positioning holes.

Preferably, the inside rectangle cavity of having seted up of support column, slidable mounting has two sets of removal strips in the rectangle cavity, and the one end that two sets of removal strips deviate from mutually all is fixed and is equipped with a plurality of ejector pads that stretch into the locating hole, and removes the one end that the strip is close to the ejector pad and fix and set up three first springs of group.

Preferably, an inclined cavity is formed in the side wall of the moving strip, a movable groove is formed in the outer wall surface of the support column, a baffle is slidably mounted in the movable groove, the baffle is fixedly connected with the S-shaped elastic piece, a group of pressing rods are arranged at two ends of the S-shaped elastic piece, one end of each pressing rod is fixedly connected with the baffle, and the other end of each pressing rod extends into the inclined cavity and is in sliding fit with the inclined cavity.

Preferably, a first guide block is fixedly arranged at the bottom of the L-shaped positioning plate, a sliding groove for accommodating the first guide block is formed in the upper surface of the base plate, a second guide block is fixedly arranged at the bottom of the PCB, and a long slot for accommodating the second guide block is formed in the inner wall surface of the L-shaped positioning plate.

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

1. the baffle plate is pressed, so that the baffle plate is stressed to extrude the S-shaped elastic sheet and drive the pressure rod to extend into the inclined surface cavity, the movable strip is stressed to extrude the first spring and drive the push block to extend into the positioning hole, the push block extrudes the clamping block out of the positioning hole, and the support column can freely slide on the vertical plate;

2. the utility model has the advantages of, use locating hole and fixture block cooperation through the selectivity and use, can conveniently carry out effective adjustment to the position of support column to drive two sets of L shape locating plates and press from both sides tightly or relax the PCB board, provide fine operation basis for later stage printing mechanism, ensure the printing quality of PCB board.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of region a in fig. 1.

In the figure: the base plate comprises a base plate 1, a PCB 2, an L-shaped positioning plate 3, a first guide block 4, a limiting block 5, a second guide block 6, a vertical plate 7, a supporting column 8, a moving strip 9, a pushing block 10, a first spring 11, a clamping block 12, a second spring 13, a pressing rod 14, an S-shaped elastic sheet 15 and a baffle 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a positioning jig applied to double-sided printing of a PCB comprises a base plate 1 and a PCB 2 arranged on the base plate 1, wherein vertical plates 7 are fixedly arranged at two ends of the top of the base plate 1, positioning jigs are arranged at two ends of the PCB 2, each positioning jig comprises two sets of L-shaped positioning plates 3, the two sets of L-shaped positioning plates 3 are slidably mounted on the base plate 1, and a limiting block 5 is fixedly connected to one end, close to the PCB 2, of each positioning plate 3, a transverse slot for accommodating the limiting block 5 is formed in the side wall of the PCB 2, and the limiting block 5 is matched with the transverse slot for use, so that the effect of radial limiting can be; the bottom of L shape locating plate 3 is fixed and is provided with first guide block 4, and first guide block 4 can play the spacing effect of direction to L shape locating plate 3. The upper surface of base plate 1 is seted up and is held the spout of first guide block 4, and the bottom of PCB board 2 is fixed and is provided with second guide block 6, and the internal face of L shape locating plate 3 is equipped with the long fluting that holds second guide block 6.

As shown in fig. 2, two sets of L-shaped positioning plates 3 are close to one end fixed connection support column 8 of the vertical plate 7, the vertical plate 7 is provided with a through groove which is matched with the support column 8, both ends of the through groove inner wall are provided with a placing groove, a second spring 13 and a fixture block 12 are arranged in the placing groove in sequence, the support column 8 is in sliding fit with the through groove, and the side wall of the support column 8 is provided with a plurality of groups of positioning holes, one end of the fixture block 12 is fixedly connected with the second spring 13, and the other end of the fixture block. Use the locating hole through the selectivity and use with the 12 cooperation of fixture block, can conveniently carry out effective adjustment to the position of support column 8 to drive two sets of L shape locating plates 3 and press from both sides tightly or relax PCB board 2, provide fine operation basis for later stage printing mechanism.

As shown in fig. 2, a rectangular cavity is formed in the supporting column 8, two sets of moving strips 9 are slidably mounted in the rectangular cavity, a plurality of push blocks 10 extending into the positioning holes are fixedly arranged at the ends of the two sets of moving strips 9, which are far away from each other, and three sets of first springs 11 are fixedly arranged at the ends of the moving strips 9, which are close to the push blocks 10; the inclined surface cavity is formed in the side wall of the movable strip 9, the movable groove is formed in the outer wall surface of the support column 8, the baffle 16 is arranged in the movable groove in a sliding mode, the baffle 16 is fixedly connected with the S-shaped elastic piece 15, a group of pressing rods 14 are arranged at two ends of the S-shaped elastic piece 15, one end of each pressing rod 14 is fixedly connected with the baffle 16, and the other end of each pressing rod 14 extends into the inclined surface cavity and is in sliding fit with the inclined. By pressing the baffle 16, the baffle 16 is stressed to extrude the S-shaped elastic sheet 15 and drive the pressure rod 14 to extend into the inclined surface cavity, at the moment, the moving strip 9 is stressed to extrude the first spring 11 and drive the push block 10 to extend into the positioning hole, the push block 10 extrudes the clamping block 12 out of the positioning hole, and at the moment, the support column 8 can freely slide on the vertical plate 7.

The working principle is as follows: in practical use, firstly, the second guide block 6 at the bottom of the PCB 2 is aligned with the long slot on the L-shaped positioning plate 3 and inserted into the long slot, then the end part of the support column 8 is held by hand and the baffle 16 is pressed, so that the baffle 16 is stressed to extrude the S-shaped elastic sheet 15 and drive the pressure rod 14 to extend into the inclined surface cavity, at the moment, the moving strip 9 is stressed to extrude the first spring 11 and drive the push block 10 to extend into the positioning hole, the push block 10 extrudes the clamping block 12 out of the positioning hole, and at the moment, the support column 8 can freely slide on the vertical plate 7; and use the locating hole through selective and the cooperation of fixture block 12 is used, can conveniently carry out effective adjustment to the position of support column 8 to drive two sets of L shape locating plates 3 and press from both sides tightly or relax PCB board 2, provide fine operation basis for later stage printing mechanism.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a be applied to positioning jig of PCB board two-sided printing, includes base plate (1) and sets up PCB board (2) on base plate (1) again, its characterized in that: the two ends of the top of the base plate (1) are fixedly provided with vertical plates (7), two ends of the PCB (2) are provided with positioning jigs, each positioning jig comprises two groups of L-shaped positioning plates (3), the two groups of L-shaped positioning plates (3) are slidably mounted on the base plate (1) and one ends of the two groups of L-shaped positioning plates, which are close to the PCB (2), are fixedly connected with limiting blocks (5), the side wall of the PCB (2) is provided with transverse slots for accommodating the limiting blocks (5), one ends of the two groups of L-shaped positioning plates (3), which are close to the vertical plates (7), are fixedly connected with supporting columns (8), the vertical plates (7) are provided with through grooves which are matched with the supporting columns (8), the upper ends and the lower ends of the inner walls of the through grooves are provided with placing grooves, second springs (13) and clamping blocks (12) are sequentially arranged, one end of the clamping block (12) is fixedly connected with the second spring (13), and the other end of the clamping block (12) is inserted into one group of the positioning holes.

2. The positioning fixture applied to double-sided printing of the PCB as recited in claim 1, wherein: the inside rectangle cavity of having seted up of support column (8), slidable mounting has two sets of removal strips (9) in the rectangle cavity, and the one end that two sets of removal strips (9) deviate from mutually all is fixed ejector pad (10) that are equipped with a plurality of locating holes that stretch into, and removes one end that strip (9) are close to ejector pad (10) and fix and set up three first springs (11) of group.

3. The positioning jig applied to double-sided printing of the PCB as claimed in claim 2, wherein: the inclined surface cavity is formed in the side wall of the movable strip (9), the outer wall surface of the support column (8) is provided with a movable groove, a baffle (16) is arranged in the movable groove in a sliding mode, the baffle (16) is fixedly connected with an S-shaped elastic sheet (15), a group of pressing rods (14) are arranged at two ends of the S-shaped elastic sheet (15), one end of each pressing rod (14) is fixedly connected with the baffle (16), and the other end of each pressing rod (14) extends into the inclined surface cavity and is in sliding fit with the inclined surface cavity.

4. The positioning fixture applied to double-sided printing of the PCB as recited in claim 3, wherein: the bottom of L shape locating plate (3) is fixed and is provided with first guide block (4), the spout that holds first guide block (4) is seted up to the upper surface of base plate (1), the bottom of PCB board (2) is fixed and is provided with second guide block (6), the internal face of L shape locating plate (3) is equipped with the long fluting that holds second guide block (6).

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