CN214027793U

CN214027793U - A solder mask printing jig for PCB

Info

Publication number: CN214027793U
Application number: CN202022289322.6U
Authority: CN
Inventors: 查红平; 刘长松; 文伟峰
Original assignee: Red Board Jiangxi Co ltd
Current assignee: Jiangxi Redboard Technology Co Ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-08-24
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a solder mask printing jig for PCB relates to solder mask printing field, including the chassis, be provided with the conveyer belt on the chassis, backup pad fixedly connected with diaphragm is passed through at the top of chassis, the bottom of diaphragm has set firmly the printing ware, the top of chassis has set firmly left right opening's toasts the case, has set firmly the fixed block on the conveyer belt, the sliding tray has been seted up at the top of fixed block. The utility model discloses rational in infrastructure, when rotating first knob, can drive the lead screw and rotate, and then can drive two movable blocks and L shape extrusion piece and be close to the removal each other to can extrude fixedly with the PCB board, it is fixed effectual, easy operation is convenient, and can fix the printing to the PCB board of different specifications, improved the practicality of equipment, through toasting case and electric heating wire's setting, can carry out drying process to the printing ink on the PCB board, drying effect is good, practices thrift a large amount of time.

Description

A solder mask printing jig for PCB

Technical Field

The utility model relates to a solder mask printing field, in particular to a solder mask printing jig for PCB.

Background

The solder resist layer of the PCB can prevent the non-soldering part from infecting soldering tin when components are soldered, has great effect on preventing the condition of soldering short circuit, and is a protection for the copper foil wire. In the process of manufacturing the PCB board, it is required to perform printing on the solder resist layer using a printing jig.

Present solder mask printing jig generally carries out fixed printing to the PCB board through the dowel when the printing, this kind of fixed mode process is comparatively loaded down with trivial details, and can only carry out fixed printing to the PCB board of same kind of specification, the practicality is lower, and after having printed, need hinder the printing ink on the layer to the PCB board and carry out drying process, and natural drying generally all needs longer time, a large amount of time has been wasted, consequently, it meets people's demand to need a solder mask printing jig for PCB urgently.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a soldermask printing jig for PCB to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a solder mask printing jig for PCB, includes the chassis, be provided with the conveyer belt on the chassis, backup pad fixedly connected with diaphragm is passed through at the top of chassis, the bottom of diaphragm has set firmly the printing ware, open-ended toasting case about the top of chassis has set firmly, has set firmly the fixed block on the conveyer belt, the sliding tray has been seted up at the top of fixed block, rotate on the lateral part inner wall of sliding tray and install the lead screw, the threaded sleeve is equipped with two movable blocks, two on the lead screw the movable block receives in opposite directions or opposite movement under the drive of lead screw, the one end of lead screw extends to the first knob of fixedly connected with outside the fixed block, two the equal fixed mounting in top of movable block has L shape extrusion piece, be provided with the toasting frame in the toasting case, be provided with electric heating wire on the inner wall of toasting frame.

Borrow by above-mentioned structure, through the setting of L shape extrusion piece and baking oven, L shape extrusion piece can be fixed with the extrusion of PCB board, and is fixed effectual, and easy operation is convenient, and can fix the printing to the PCB board of different specifications, has improved the practicality of equipment. The baking oven can dry the printing ink on the PCB board, has good drying effect, saves a large amount of time and improves the working efficiency.

Preferably, telescopic grooves are formed in two side portions, away from each other, of the L-shaped extrusion block, telescopic rods are slidably mounted in the telescopic grooves, and one ends of the telescopic rods extend to the outside of the telescopic grooves and are fixedly connected with blocking blocks.

Preferably, the telescopic groove is internally provided with an extrusion spring, and two ends of the extrusion spring are respectively connected with the inner wall of the telescopic groove and the other end of the telescopic rod.

Through the setting of telescopic link and extrusion spring, can make the PCB board be in the central point of L shape extrusion piece through blockking the piece and put, and then the equipment of being convenient for prints.

Preferably, the screw rod is a positive and negative tooth rod, and the two moving blocks are respectively screwed on the positive tooth rod and the negative tooth rod of the screw rod.

Preferably, the internal threads on the two moving blocks are arranged oppositely.

Preferably, the top of griddle is rotated and is installed the screw thread post, the top thread of screw thread post runs through toast case and fixedly connected with second knob.

Through the setting of second knob and screw thread post, when rotating the second knob, can drive the screw thread post and rotate, and then can drive griddle and electric heating wire and remove to can adjust the distance between electric heating wire and the PCB board, make the PCB board can obtain suitable stoving temperature, improve the effect of toasting of equipment.

Preferably, a limiting sleeve is fixedly arranged on the inner wall of the top of the baking box, a limiting rod is slidably arranged in the limiting sleeve, and the bottom end of the limiting rod extends to the outside of the limiting sleeve and is fixedly connected with the top of the baking frame.

Furthermore, through the setting of stop collar and gag lever post, can play limiting displacement to the griddle, drive the griddle rotation when avoiding the screw thread post to rotate.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model has reasonable structure, when the first knob is rotated, the lead screw can be driven to rotate, and then the two moving blocks and the L-shaped extrusion block can be driven to move close to each other, so that the PCB can be extruded and fixed, the fixing effect is good, the operation is simple and convenient, and the PCB with different specifications can be fixedly printed, the practicability of the equipment is improved, the printing ink on the PCB can be dried through the arrangement of the baking box and the electric heating wire, the drying effect is good, and a large amount of time is saved;

2. the utility model discloses in, through the setting of telescopic link and extrusion spring, the accessible stops the piece and makes the PCB board be in the central point of L shape extrusion piece and put, and then the equipment of being convenient for prints, when rotating the second knob, can drive the screw thread post and rotate, and then can drive baking rack and electric heating wire and remove to can adjust the distance between electric heating wire and the PCB board, make the PCB board can obtain suitable stoving temperature, improved the effect of toasting of equipment.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the joint between the L-shaped extrusion block and the telescopic rod of the present invention;

fig. 4 is a schematic view of the sectional structure of the baking oven of the present invention.

In the figure: 1. a chassis; 2. a conveyor belt; 3. a transverse plate; 4. a printer; 5. a baking oven; 6. a fixed block; 7. a sliding groove; 8. a screw rod; 9. a moving block; 10. a first knob; 11. an L-shaped extrusion block; 12. a telescopic groove; 13. a telescopic rod; 14. a blocking block; 15. a compression spring; 16. a baking rack; 17. an electric heating wire; 18. a threaded post; 19. a second knob.

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.

Example (b): referring to fig. 1, 2 and 4, a solder mask printing jig for a PCB includes a bottom chassis 1, and the bottom chassis 1 may be any one of prior art frame bodies, such as a metal frame. Be provided with conveyer belt 2 on chassis 1, backup pad fixedly connected with diaphragm 3 is passed through at chassis 1's top, and diaphragm 3 can be any one kind metal horizontal plate among the prior art, and it is fixed through the backup pad welding with chassis 1's top. The bottom of diaphragm 3 sets firmly printer 4, and open-ended toasting case 5 about the top of chassis 1 sets firmly, toasts case 5 and can be any kind of metal box among the prior art, and it is fixed with the top spiro union of chassis 1. Fixed block 6 has set firmly on conveyer belt 2, sliding tray 7 has been seted up at the top of fixed block 6, it installs lead screw 8 to rotate on the lateral part inner wall of sliding tray 7, threaded sleeve is equipped with two movable blocks 9 on the lead screw 8, two movable blocks 9 receive lead screw 8's drive down in opposite directions or the opposite movement, the one end of lead screw 8 extends to fixed block 6 outer and the first knob 10 of fixedly connected with, the equal fixed mounting in top of two movable blocks 9 has L shape extrusion piece 11, be provided with toasting frame 16 in the toasting box 5, be provided with electric heating wire 17 on the inner wall of toasting frame 16.

Borrow by above-mentioned structure, through L shape extrusion piece 11 and bake out the setting of case 5, L shape extrusion piece 11 can be fixed with the PCB board extrusion, and is fixed effectual, and easy operation is convenient, and can fix the printing to the PCB board of different specifications, has improved the practicality of equipment. Baking oven 5 can carry out drying process to the printing ink on the PCB board, and drying effect is good, practices thrift a large amount of time, has improved work efficiency.

In this embodiment, referring to fig. 3, two side portions of the L-shaped extrusion block 11 away from each other are both provided with a telescopic slot 12, a telescopic rod 13 is slidably mounted in the telescopic slot 12, and one end of the telescopic rod 13 extends out of the telescopic slot 12 and is fixedly connected with a blocking block 14. An extrusion spring 15 is arranged in the telescopic groove 12, and two ends of the extrusion spring 15 are respectively connected with the inner wall of the telescopic groove 12 and the other end of the telescopic rod 13. This has the advantage that the PCB board can be centered on the L-shaped extrusion 11 by the stop 14, which facilitates the printing process by the device.

As a possible embodiment, the screw 8 is a positive and negative screw, and the two moving blocks 9 are respectively screwed on the positive and negative screws of the screw 8. As another possible embodiment, the internal threads of the two moving blocks 9 are oppositely arranged.

In this embodiment, referring to fig. 4, a threaded post 18 is rotatably mounted on the top of the toasting carriage 16, and the top end of the threaded post 18 is threaded through the toasting chamber 5 and fixedly connected to a second knob 19. The benefit that sets up like this is, when rotating second knob 19, can drive screw thread post 18 and rotate, and then can drive griddle 16 and electric heating wire 17 and remove to can adjust the distance between electric heating wire 17 and the PCB board, make the PCB board can obtain suitable stoving temperature, improve the effect of toasting of equipment.

As a preferred embodiment of this embodiment, referring to fig. 4, a position-limiting sleeve is fixedly disposed on the inner wall of the top of the baking box 5, a position-limiting rod is slidably disposed in the position-limiting sleeve, and the bottom end of the position-limiting rod extends out of the position-limiting sleeve and is fixedly connected to the top of the baking rack 16. This has the advantage of limiting the position of the carriage 16 to prevent the threaded stud 18 from rotating and thus the carriage 16.

This practical theory of operation:

firstly, a PCB is placed on the L-shaped extrusion block 11, the blocking block 14 is pulled, the blocking block 14 moves through the telescopic rod 13 to stretch the extrusion spring 15 until the blocking block 14 is located on the outer side of the PCB, then the blocking block 14 is loosened, and under the elastic force action of the extrusion spring 15, the PCB can be located at the central position of the L-shaped extrusion block 11. Rotate first knob 10 afterwards, first knob 10 rotates and drives lead screw 8 and rotate, and then can drive two movable blocks 9 and L shape extrusion piece 11 and be close to each other and remove to can extrude the PCB board fixed, it is fixed effectual, easy operation is convenient, and can fix the printing to the PCB board of different specifications, improved the practicality of equipment.

After the printing is accomplished, start conveyer belt 2 for the PCB board removes to toasting in the case 5, then starts electric heating wire 17, and electric heating wire 17 operation can carry out drying process to the printing ink on the PCB board, and drying effect is good, practices thrift a large amount of time. When the second knob 19 is rotated, the threaded column 18 is driven to rotate, and then the baking rack 16 and the electric heating wire 17 are driven to move, so that the distance between the electric heating wire 17 and the PCB can be adjusted, the PCB can obtain a proper baking temperature, and the baking effect of the equipment is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a soldermask printing jig for PCB, includes chassis (1), its characterized in that: the automatic printing machine is characterized in that a conveying belt (2) is arranged on the bottom frame (1), the top of the bottom frame (1) is fixedly connected with a transverse plate (3) through a supporting plate, a printer (4) is fixedly arranged at the bottom of the transverse plate (3), a baking box (5) with a left opening and a right opening is fixedly arranged at the top of the bottom frame (1), a fixed block (6) is fixedly arranged on the conveying belt (2), a sliding groove (7) is formed in the top of the fixed block (6), a lead screw (8) is rotatably arranged on the inner wall of the side portion of the sliding groove (7), two moving blocks (9) are sleeved on the lead screw (8) in a threaded manner, the two moving blocks (9) move oppositely or oppositely under the driving of the lead screw (8), one end of the lead screw (8) extends out of the fixed block (6) and is fixedly connected with a first knob (10), and L-shaped extrusion blocks (11) are fixedly arranged at the tops of the two moving blocks (9), a baking rack (16) is arranged in the baking box (5), and an electric heating wire (17) is arranged on the inner wall of the baking rack (16).

2. A solder mask printing jig for a PCB according to claim 1, characterized in that: all seted up flexible groove (12) on two lateral parts that L shape extrusion piece (11) kept away from each other, slidable mounting has telescopic link (13) in flexible groove (12), the one end of telescopic link (13) extends to outside flexible groove (12) and fixedly connected with stop block (14).

3. A solder mask printing jig for a PCB according to claim 2, characterized in that: an extrusion spring (15) is arranged in the telescopic groove (12), and two ends of the extrusion spring (15) are respectively connected with the inner wall of the telescopic groove (12) and the other end of the telescopic rod (13).

4. A solder mask printing jig for a PCB according to claim 1, characterized in that: the screw rod (8) is a positive and negative tooth rod, and the two moving blocks (9) are respectively screwed on the positive tooth rod and the negative tooth rod of the screw rod (8).

5. A solder mask printing jig for a PCB according to claim 1, characterized in that: the internal threads on the two moving blocks (9) are arranged oppositely.

6. A solder mask printing jig for a PCB according to claim 1, characterized in that: the top of toasting frame (16) is rotated and is installed screw thread post (18), the top screw thread of screw thread post (18) runs through toast case (5) and fixedly connected with second knob (19).

7. A solder mask printing jig for a PCB according to claim 1, characterized in that: the top inner wall of the baking box (5) is fixedly provided with a limiting sleeve, a limiting rod is slidably mounted in the limiting sleeve, and the bottom end of the limiting rod extends to the outside of the limiting sleeve and is fixedly connected with the top of the baking rack (16).