CN216292052U

CN216292052U - SMT printing and paster tool

Info

Publication number: CN216292052U
Application number: CN202122484446.4U
Authority: CN
Inventors: 李德
Original assignee: Huangshi Xipu Electronic Technology Co ltd
Current assignee: Huangshi Xipu Electronic Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-12
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses an SMT printing and surface mounting jig which comprises a bearing plate, wherein two sides of the bearing plate are fixedly connected with two baffles, a mounting groove is formed in the upper side of the bearing plate, a PCB is arranged in the mounting groove, four positioning grooves are formed in the bottom of the mounting groove, positioning pipes are fixedly connected to the bottoms of the positioning grooves and correspond to the PCB, a moving pipe is arranged on the outer side of each positioning pipe, a sliding shaft is slidably connected to the inner portion of each positioning pipe, a plurality of connecting blocks are fixedly connected to the outer sides of the sliding shafts, and an elastic strip is fixedly connected to one end of each connecting block. According to the utility model, the positioning pipe is arranged in the mounting groove, so that the positioning and fixing effects on the PCB can be achieved, and the PCB is prevented from falling off in the printing process.

Description

SMT printing and paster tool

Technical Field

The utility model relates to the field of SMT (surface mount technology) chip mounting jigs, in particular to an SMT printing and chip mounting jig.

Background

Electronic equipment's among the correlation technique PCB board design is all thinner, consequently when SMT pastes dress, need to bear the board with special paster tool, accomplish solder paste printing and SMT paster, in order to avoid the PCB board to take place the skew at printing process, often can set up the setpoint on the tool, and set up the locating hole on the PCB board and match each other, the setpoint that nevertheless sets up usually is only an arc arch or a stub bar, drop from the setpoint easily when the PCB board receives exogenic action, make the position of printing or paster inaccurate, influence normal production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an SMT printing and surface mounting fixture, so that the problems in the prior art are solved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a SMT printing and paster tool, includes the bearing board, two baffles of the both sides fixedly connected with of bearing board, the upside of bearing board is equipped with the mounting groove, be equipped with the PCB board in the mounting groove, the tank bottom of mounting groove is equipped with four constant head tanks, the tank bottom fixedly connected with registration arm of constant head tank, the registration arm corresponds the setting with the PCB board, the outside of registration arm is equipped with removes the pipe, the inside sliding connection of registration arm has the slide-bar, a plurality of connecting block of outside fixedly connected with of slide-bar, the one end fixedly connected with elasticity strip of connecting block.

Preferably, one side of the PCB is provided with four positioning holes, and the positioning holes are arranged corresponding to the positioning pipes.

Preferably, the outside of registration arm is equipped with heavy groove, remove pipe and heavy groove sliding connection, the downside fixedly connected with plectane that removes the pipe, the plectane corresponds the setting with the constant head tank.

Preferably, the tank bottom in heavy groove is equipped with a plurality of and dodges the groove, remove fixedly connected with a plurality of fixed block between pipe and the sliding shaft, the fixed block with dodge the corresponding setting in groove and sliding connection.

Preferably, the first spring of fixedly connected with between the bottom of slide-shaft and the bottom of locating tube inner wall, one side of slide-shaft is equipped with the slide opening, sliding connection has the stopper in the slide opening, fixedly connected with second spring between the hole bottom of stopper and slide opening, the tank bottom of heavy groove is equipped with spacing hole, the stopper corresponds the setting with spacing hole.

The utility model has the advantages that: according to the SMT printing and surface mounting jig provided by the utility model, the positioning tube is arranged in the mounting groove, so that when the PCB is pressed down, the elastic strip 62 on the upper side of the positioning tube can shield the PCB, and the PCB is prevented from falling off in the printing process.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic view showing the connection relationship between the positioning tube and the positioning groove;

fig. 3 is a schematic view of the basic structure of the positioning tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in FIGS. 1-3, the SMT printing and chip mounting jig provided by the utility model comprises a supporting plate 1, wherein an installation groove 11 is formed in the upper side of the supporting plate 1, a PCB 3 is arranged in the installation groove 11, the supporting plate 1 is arranged in the chip mounting jig and is used for supporting the PCB 3 and facilitating the printing and chip mounting of components, the chip mounting jig is the prior art and will not be described in detail herein, two baffles 2 are fixedly connected to two sides of the supporting plate 1, the baffles 2 are used for protecting the PCB 3 and preventing corners inside the chip mounting jig from scraping the PCB 3, four positioning grooves 12 are formed in the bottom of the installation groove 11, positioning tubes 4 are fixedly connected to the bottoms of the positioning grooves 12, the positioning tubes 4 are arranged corresponding to the PCB 3, four positioning holes 31 are formed in one side of the PCB 3, the positioning holes 31 are arranged corresponding to the positioning tubes 4, and the positioning tubes 4 are used for positioning the PCB 3, the outside of registration arm 4 is equipped with removes pipe 5, locating hole 31 and 5 sliding connection of removal pipe, the inside sliding connection of registration arm 4 has slide 6, the outside fixedly connected with a plurality of connecting block 61 of slide 6, the one end fixedly connected with elastic strip 62 of connecting block 61, the upside of registration arm 6 is equipped with the inclined plane, the inclined plane corresponds the setting each other with elastic strip 62, elastic strip 62 and connecting block 61 mutually perpendicular under the initial condition, and size specification is less than the diameter of locating hole 31, can pass from locating hole 31, when slide 6 slides downwards in registration arm 4, slide 6 drives connecting block 61 and elastic strip 62 common motion, elastic strip 62 moves along the inclined plane of registration arm 6 upside, thereby scatter, the elastic strip 62 that scatters this moment blocks the upside of locating hole 31, thereby block PCB board 3.

The outside of registration arm 4 is equipped with heavy groove 41, move pipe 5 and heavy groove 41 sliding connection, the downside fixedly connected with plectane 51 of moving pipe 5, plectane 51 and constant head tank 12 correspond the setting, when pushing down PCB board 3 and make it match with registration arm 4, the downside of locating hole 31 can drive plectane 51 common downstream, press plectane 51 into in the constant head tank 12, make moving pipe 5 slide in heavy groove 41 simultaneously, the tank bottom of heavy groove 41 is equipped with a plurality of and dodges groove 42, fixedly connected with a plurality of fixed block 52 between moving pipe 5 and the sliding shaft 6, fixed block 52 and dodge groove 42 and correspond the setting and sliding connection, fixedly connected with first spring 63 between the bottom of sliding shaft 6 and the bottom of registration arm 4 inner wall, when moving pipe 5 moved downwards, drive sliding shaft 6 common downstream and compress first spring 63 through fixed block 52.

One side of the sliding shaft 6 is provided with a sliding hole 64, the sliding hole 64 is connected with a limiting block 65 in a sliding manner, a second spring 66 is fixedly connected between the limiting block 65 and the bottom of the sliding hole 64, a limiting hole is arranged at the bottom of the sinking groove 41, the limiting block 65 is arranged corresponding to the limiting hole, in an initial state, the limiting block 65 is extruded by the inner wall of the positioning tube 4 and is pressed in the sliding hole 64, and the second spring 66 is compressed, so that when the moving tube 5 moves downwards, the sliding shaft 6 also moves downwards, the sliding shaft 6 drives the limiting block 65 to move in the positioning tube 4, when the limiting block 65 corresponds to the limiting hole, the limiting block 65 is not subjected to a limiting effect any more, and is pushed out of the limiting hole under the action of the second spring 66 to fix the sliding shaft 6 and the positioning tube 4 mutually, and meanwhile, the limiting block 65 can play a limiting effect on the upper side of the moving tube 5, so that the moving tube 5 cannot move upwards, the fixing of the PCB 3 is completed.

When the PCB positioning device is used, the positioning hole of the PCB 3 is matched with the positioning tube 4, the PCB 3 is pressed down, the lower side of the positioning hole 31 can drive the circular plate 51 and the moving tube 5 to move downwards together, the moving tube 5 drives the sliding shaft 6 to move downwards together through the fixing block 52 and compress the first spring 63, at the moment, the elastic strip 62 moves along the inclined plane of the upper side of the positioning tube 6 so as to scatter and block the PCB 3, the PCB 3 is prevented from falling off from the positioning tube 4, meanwhile, the sliding shaft 6 drives the limiting block 65 to move in the positioning tube 4 and is pushed out of the limiting hole under the action of the second spring 66, the sliding shaft 6 and the positioning tube 4 are fixed with each other, the limiting block 65 can play a limiting effect on the upper side of the moving tube 5, the moving tube 5 cannot move upwards, the fixing of the PCB 3 is completed, after printing is completed, the limiting block 65 is pressed back into the sliding hole 64, and at the moment, the moving tube 5 is not subjected to limiting effect any more, thereby being lifted up by the first spring 63, the circular plate 51 lifts up the PCB 3, and the PCB 3 is conveniently taken down.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a SMT printing and paster tool, includes bearing board (1), its characterized in that: two baffles (2) of both sides fixedly connected with of bearing board (1), the upside of bearing board (1) is equipped with mounting groove (11), be equipped with PCB board (3) in mounting groove (11), the tank bottom of mounting groove (11) is equipped with four constant head tanks (12), tank bottom fixedly connected with registration arm (4) of constant head tank (12), registration arm (4) correspond the setting with PCB board (3), the outside of registration arm (4) is equipped with removes pipe (5), the inside sliding connection of registration arm (4) has slide shaft (6), a plurality of connecting block (61) of outside fixedly connected with of slide shaft (6), the one end fixedly connected with elasticity strip (62) of connecting block (61).

2. An SMT printing and patch jig according to claim 1, wherein: one side of the PCB (3) is provided with four positioning holes (31), and the positioning holes (31) are arranged corresponding to the positioning pipes (4).

3. An SMT printing and patch jig according to claim 1, wherein: the outside of registration arm (4) is equipped with heavy groove (41), remove pipe (5) and heavy groove (41) sliding connection, the downside fixedly connected with plectane (51) of removing pipe (5), plectane (51) correspond the setting with constant head tank (12).

4. An SMT printing and patch jig according to claim 3, wherein: the tank bottom of heavy groove (41) is equipped with a plurality of and dodges groove (42), a plurality of fixed block (52) of fixedly connected with between removal pipe (5) and sliding shaft (6), fixed block (52) with dodge groove (42) and correspond setting and sliding connection.

5. An SMT printing and patch jig according to claim 3, wherein: the utility model discloses a slide shaft, including stopper (65), stopper (65) and locating tube (4), the first spring of fixedly connected with (63) between the bottom of slide shaft (6) and locating tube (4) inner wall, one side of slide shaft (6) is equipped with slide opening (64), sliding connection has stopper (65) in slide opening (64), fixedly connected with second spring (66) between the hole bottom of stopper (65) and slide opening (64), the tank bottom of heavy groove (41) is equipped with spacing hole, stopper (65) correspond the setting with spacing hole.