CN215943983U

CN215943983U - PCB closes wet film of makeup and uses screen frame

Info

Publication number: CN215943983U
Application number: CN202121674517.0U
Authority: CN
Inventors: 吴莉莉
Original assignee: Nippon (boluo) Electronics Co ltd
Current assignee: Nippon (boluo) Electronics Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-03-04
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a screen frame for a PCB jointed board wet film, which belongs to the field of PCB jointed boards, and comprises an outer screen frame, wherein a film screen is arranged on the inner side of the outer screen frame, a bottom frame is arranged at the bottom end of the outer screen frame, a plurality of fixing plate structures for fixing the relative positions of the jointed boards are fixedly connected to the upper end surface of the outer screen frame, a plurality of clamping and positioning columns for fixing the positions of frame bodies are alternately connected to the bottom end of the bottom frame, a plurality of fixing holes are formed in the inner side surface of the outer screen frame, and an inner screen frame is arranged on the bottom surface of the outer screen frame. The influence of the processing quality is reduced.

Description

PCB closes wet film of makeup and uses screen frame

Technical Field

The utility model relates to the field of PCB jointed boards, in particular to a screen frame for a wet film of a PCB jointed board.

Background

The printed jointed board is designed based on the circuit diagram to realize the functions required by the circuit designer. The design that the makeup was closed in the printing mainly indicates the domain design, external connection's overall arrangement need be considered, also need notice the fixed relation between net frame and the equipment, play the effect of fixed printed circuit drawing through the net frame, also be film net, but current net frame, net frame and film net adoption mostly, the fixed mode of bonding integral type, make film net reuse one end time after, it is dirty easily, and be not convenient for replace, and also do not have clear and definite fixed relation between net frame and the equipment, make during printed circuit, produce the error easily.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a screen frame for a PCB jointed board wet film, which can keep the tensioning state of a screen surface after replacement, is not easy to generate errors, is convenient to replace, increases a fixing structure among the screen frame, equipment and the jointed board, ensures the stability of relative positions, is not easy to generate errors due to displacement, and reduces the influence of processing quality.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a PCB closes wet film of makeup and uses net frame, includes the outer screen frame, the inboard of outer screen frame is provided with the film net, the bottom of outer screen frame is provided with the underframe, the upper end fixed surface of outer screen frame is connected with a plurality of and is used for the fixed solid board structure that closes makeup relative position, the bottom interlude of underframe is connected with the block reference column that a plurality of is used for fixed body position, a plurality of fixed orifices has been seted up to the medial surface of outer screen frame.

Further, the bottom surface of outer screen frame is provided with interior screen frame, a book piece groove has been seted up on the surface of interior screen frame, the whole shape in a book piece groove is "L" shape, and the outside extension of right angle department becomes the circular arc, the inboard in a book piece groove is provided with the location and rolls over the piece, the location rolls over the piece and agrees with mutually with the overall dimension in a book piece groove, the upper surface in screen frame including the rich forest net cover, the location rolls over the piece and passes a fixed rich forest net in a book piece groove from the top.

Furthermore, four rod penetrating holes are formed in the surface of the bottom frame, threads are arranged on the inner sides of the rod penetrating holes, clamping positioning columns are connected to the inner sides of the rod penetrating holes in a threaded mode, threads are also arranged on the outer side faces of the clamping positioning columns, the clamping positioning columns are in threaded connection with the folding block grooves, threads are also arranged on the arc-shaped faces of the positioning folding blocks, and the positioning folding blocks are fixedly connected with the outer net frame.

Furthermore, a contact rod is inserted into the clamping positioning column in a penetrating mode, the contact rod and the clamping positioning column form a sliding structure, the tail end of the contact rod is fixedly connected with a pressing cone, two sides of the pressing cone are provided with spring-opening clamping blocks, the tail ends of the spring-opening clamping blocks are rotatably connected with a bottom cover, a sleeve spring is fixedly connected to the upper portion of the bottom cover and is sleeved outside the lower end of the spring-opening clamping blocks, and elastic block notches are formed in the side faces of the clamping positioning column.

Further, the upper surface of the outer net frame is fixedly connected with a rotating shaft fixing end, the inner side of the rotating shaft fixing end is rotatably connected with a turnover plate, the tail end of the turnover plate is fixedly connected with a fixing plate block, and a rubber soft sheet is arranged on the side face of the fixing plate block.

Furthermore, a clamping spring is arranged at the middle position of the turnover plate, elastic columns are fixedly connected to two ends of the clamping spring, an arc-shaped contact rod is fixedly connected to the bottom surface of the lower end of the turnover plate, a contact rod hole is formed right below the arc-shaped contact rod, and the clamping positioning column penetrates through the inner side of the contact rod hole.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme, when the film net was laid in inner screen frame top to the cover is in the top of rolling over a groove, then in proper order will fix a position and roll over the piece and push down the film net, and put into and roll over a inslot, let film net edge be absorbed in and roll over a groove, can be taut with the film net, prevent the superimposed condition of line, influence processingquality in order to avoid appearing the line coincidence.

(2) This scheme passes the pole hole of wearing on the underframe through the block reference column to pass a hole threaded connection that a groove and a location book piece arc are constituteed, and then play fixed effect, this structure can be dismantled, replaces and clear up the film net with the convenience, in order to make things convenient for reuse.

(3) This scheme, through touching the feeler lever, let the feeler lever remove downwards, and then let and push down the awl and push down and insert the interior side groove of popping out the fixture block, and then let and pop out the fixture block and rotate around the bottom to outside bullet piece notch and pop out to block with equipment itself, with the realization is fixed, this kind of convenient for structure is fixed whole, in order to avoid the scraper blade in-process, lets the moving of whole frame, avoids causing the error, conveniently takes off convenient to use simultaneously.

(4) According to the scheme, the turnover plate is turned around the rotating shaft to fix the end of the turnover plate, the jointed plate is fixed by the fixing plate block at the tail end of the turnover plate, and the jointed plate is fixed to facilitate processing.

Drawings

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

FIG. 2 is a schematic view of the frame assembly of the present invention;

FIG. 3 is a schematic view of the internal structure of the engaging positioning post of the present invention;

FIG. 4 is a schematic structural diagram of the plate fixing structure of the present invention.

The reference numbers in the figures illustrate:

1. an outer screen frame; 2. a film net; 3. a bottom frame; 4. a plate fixing structure; 5. a fixing hole; 6. an inner screen frame; 7. positioning the folding block; 8. a block folding groove; 9. a rod penetrating hole; 10. clamping the positioning column; 11. a feeler lever; 12. pressing the cone downwards; 13. popping open the clamping block; 14. a bottom cover; 15. pressing down the spring; 16. a rotating shaft fixing end; 17. a turnover plate; 18. a fixing plate block; 19. a snap spring; 20. an arc-shaped feeler lever; 21. the post is snapped in.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Referring to fig. 1-4, a screen frame for a wet film of a Printed Circuit Board (PCB) jointed board comprises an outer screen frame 1, a film screen 2 is arranged on the inner side of the outer screen frame 1, a bottom frame 3 is arranged at the bottom end of the outer screen frame 1, a plurality of fixed board structures 4 for fixing the relative positions of the jointed board are fixedly connected to the upper surface of the outer screen frame 1, a plurality of clamping positioning columns 10 for fixing the positions of the boards are connected to the bottom end of the bottom frame 3 in an inserting manner, and a plurality of fixing holes 5 are formed in the inner side surface of the outer screen frame 1.

Referring to fig. 2, an inner screen frame 6 is arranged on the bottom surface of an outer screen frame 1, a folding block groove 8 is formed in the surface of the inner screen frame 6, the overall shape of the folding block groove 8 is L-shaped, the right angle part of the folding block groove is outwards expanded to form an arc, a positioning folding block 7 is arranged on the inner side of the folding block groove 8, the positioning folding block 7 is matched with the overall dimension of the folding block groove 8, a film screen 2 covers the upper surface of the inner screen frame 6, and the positioning folding block 7 penetrates through the folding block groove 8 from the upper side to fix the film screen 2.

Referring to fig. 2, four rod penetrating holes 9 are formed in the surface of the bottom frame 3, threads are formed in the inner sides of the rod penetrating holes 9, clamping positioning columns 10 are connected to the inner sides of the rod penetrating holes 9 in a threaded mode, threads are also formed in the outer side faces of the clamping positioning columns 10, the clamping positioning columns 10 are in threaded connection with the folded block grooves 8, threads are also formed in the arc-shaped faces of the positioning folded blocks 7, and the positioning folded blocks 7 are fixedly connected with the outer net frame 1.

Referring to fig. 3, a contact rod 11 is inserted through a clamping positioning column 10, the contact rod 11 and the clamping positioning column 10 form a sliding structure, the end of the contact rod 11 is fixedly connected with a pressing cone 12, two sides of the pressing cone 12 are provided with an ejection fixture block 13, the end of the ejection fixture block 13 is rotatably connected with a bottom cover 14, a sleeve spring is fixedly connected above the bottom cover 14, the sleeve spring is sleeved outside the lower end of the ejection fixture block 13, and the side surface of the clamping positioning column 10 is provided with an elastic block notch, according to the utility model, the contact rod 11 is moved downwards by pressing the contact rod 11, the pressing cone 12 is further pressed downwards to be inserted into the inner side groove of the ejection fixture block 13, the ejection fixture block 13 is further rotated around the bottom cover 14 to be ejected to the outer elastic block notch and clamped with the equipment to realize fixing, the structure is convenient for fixing the whole, so as to prevent the whole frame from moving and avoid causing errors in the process of scraping, meanwhile, the utility model is convenient to take down and use.

Referring to fig. 4, the upper surface of the outer screen frame 1 is fixedly connected with a rotating shaft fixed end 16, the inner side of the rotating shaft fixed end 16 is rotatably connected with a turnover plate 17, the tail end of the turnover plate 17 is fixedly connected with a fixed plate block 18, and the side surface of the fixed plate block 18 is provided with a rubber soft sheet.

Referring to fig. 4, a clamping spring 19 is arranged in the middle of the turnover plate 17, two ends of the clamping spring 19 are fixedly connected with elastic columns 21, an arc-shaped contact rod 20 is fixedly connected to the bottom surface of the lower end of the turnover plate 17, a contact rod hole is formed right below the arc-shaped contact rod 20, and the clamping positioning column 10 penetrates through the inner side of the contact rod hole.

When in use: firstly, when replacing the film net, when the film net 2 is laid on the inner net frame 6 and covered on the folding block groove 8, then the positioning folding block 7 is pressed on the film net 2 in sequence and put into the folding block groove 8, the edge of the film net 2 is sunk into the folding block groove 8, then the film net 2 can be tensioned, then the clamping positioning column 10 passes through the rod-penetrating hole 9 on the bottom frame 3 and passes through the hole thread formed by the arc shape of the folding block groove 8 and the positioning folding block 7 to be fixed, then the fixed whole is put on the equipment, then the combined spliced plate is put on the film net 2, then the turnover plate 17 is turned over to lead the fixed plate 18 to be contacted with the combined spliced plate, finally the elastic column 21 is sleeved with the fixed hole 5 to realize clamping, and the arc contact rod 20 is pressed on the clamping positioning column 10 to lead the contact rod 11 to move downwards, and then the pressing cone 12 is pressed and inserted into the inner side groove of the clamping block 13, and then the springing-out fixture block 13 rotates around the bottom cover 14 to spring out towards the notch of the outer springing block and is clamped with the equipment.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a PCB closes wet film of makeup and uses screen frame, includes outer screen frame (1), the inboard of outer screen frame (1) is provided with film net (2), the bottom of outer screen frame (1) is provided with underframe (3), its characterized in that: the upper end fixed surface of outer screen frame (1) is connected with solid board structure (4) that a plurality of is used for fixed makeup board relative position, the bottom of underframe (3) alternates and is connected with block reference column (10) that a plurality of is used for fixed frame position, a plurality of fixed orifices (5) have been seted up to the medial surface of outer screen frame (1).

2. The screen frame for the wet film of the PCB jointed board as claimed in claim 1, wherein: the bottom surface of outer screen frame (1) is provided with inner screen frame (6), a book piece groove (8) have been seted up on the surface of inner screen frame (6), the whole shape of book piece groove (8) is "L" shape, and the outside extension of right angle department becomes the circular arc, the inboard of book piece groove (8) is provided with location book piece (7), location book piece (7) agrees with mutually with the overall dimension who rolls over piece groove (8), the upper surface of inner screen frame (6) is covered in phenanthrene forest net (2), location book piece (7) are passed a book piece groove (8) from the top and are fixed phenanthrene forest net (2).

3. The screen frame for the wet film of the PCB jointed board as claimed in claim 2, wherein: the utility model discloses a lock structure, including underframe (3), underframe, lateral surface, block reference column (10), block folding block (7), the surface of underframe (3) has been seted up four places and has been worn pole hole (9), the inboard of wearing pole hole (9) is the screw thread, the inboard threaded connection of wearing pole hole (9) has block reference column (10), the lateral surface of block reference column (10) also is provided with the screw thread, block reference column (10) and folding block groove (8) are threaded connection, the arcwall face of location folding block (7) also is provided with the screw thread, location folding block (7) and outer net frame (1) fixed connection.

4. The screen frame for the wet film of the PCB jointed board as claimed in claim 3, wherein: the contact rod (11) is inserted into the clamping positioning column (10), the contact rod (11) and the clamping positioning column (10) form a sliding structure, the tail end of the contact rod (11) is fixedly connected with a pressing cone (12), two sides of the pressing cone (12) are provided with an elastic opening clamping block (13), the tail end of the elastic opening clamping block (13) is rotatably connected with a bottom cover (14), a sleeve spring is fixedly connected to the upper portion of the bottom cover (14), the sleeve spring is sleeved on the lower end outer side of the elastic opening clamping block (13), and an elastic block notch is formed in the side face of the clamping positioning column (10).

5. The screen frame for the wet film of the PCB jointed board as claimed in claim 1, wherein: the upper surface of the outer net frame (1) is fixedly connected with a rotating shaft fixing end (16), the inner side of the rotating shaft fixing end (16) is rotatably connected with a turnover plate (17), the tail end of the turnover plate (17) is fixedly connected with a fixing plate block (18), and a rubber film is arranged on the side face of the fixing plate block (18).

6. The screen frame for the wet film of the PCB jointed board as claimed in claim 5, wherein: the middle position of returning face plate (17) is provided with block spring (19), the equal fixedly connected with elasticity post (21) in both ends of block spring (19), the lower extreme bottom surface fixedly connected with arc feeler lever (20) of returning face plate (17), be provided with under arc feeler lever (20) and touch the pole hole, and block reference column (10) run through to touch the pole downthehole side.