CN211465111U

CN211465111U - Automatic tin adding device

Info

Publication number: CN211465111U
Application number: CN201922355607.2U
Authority: CN
Inventors: 江卫忠; 田露; 刘广伟
Original assignee: Suzhou Test & Maintenance Automation Technology Co ltd
Current assignee: Suzhou Test & Maintenance Automation Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-11
Anticipated expiration: 2029-12-25

Abstract

An automatic tin adding device relates to the technical field of printing equipment. The device mainly includes organism and tin cream jar, be equipped with actuating mechanism on the organism, actuating mechanism connects U type slider, be equipped with the fixing device who is used for fixed tin cream jar on the U type slider, be equipped with the piston on the corresponding position in fixing device below, install on the organism piston bottom, the piston upper end is equipped with the sealing washer, sealing washer center department is equipped with the tin hole, cross the connection below the tin hole and add the tin mouth, the piston is hollow structure, add the tin mouth and install inside the piston, it connects tin mechanism to be equipped with the rotation below the tin mouth to correspond the position. Compare with artifical mode that adds the tin cream, the utility model discloses an automatic tin adding device adds the tin cream volume comparatively stable, obtains control easily, has reduced the remaining of tin cream in the tin cream jar moreover, has effectively saved the cost.

Description

Automatic tin adding device

Technical Field

The utility model relates to a lithography apparatus technical field, in particular to automatic tin adding device.

Background

Solder paste addition is an important part of SMT print jobs. In the process, the principle of adding a small amount of tin paste for many times is required, the rolling diameter of the steel mesh is kept between 10mm and 20mm according to the process requirement, and serious quality problems are caused when the amount of the tin paste on the steel mesh is too small. Tin cream is as the noble material, and the management and control is strict, but artifical tin cream that adds, all can remain tin cream on tin cream bottle, the stirring sword, along with the increase of the excessive degree of tin cream, stirring sword frequency of use increases, and the tin cream that leads to is extravagant more serious. Moreover, the loss is greatly influenced by the subjective property of the staff, and certain management and control difficulty exists. The existing tin adding mode is generally a mode of manually adding tin or manually replacing a tin can, so that the tin adding amount is unstable, the tin adding amount is easily increased or decreased, the welding work of a subsequent circuit board is difficult to smoothly carry out, the waste of tin paste is caused, extra manpower is needed to pay by a factory to manage a printing machine, and the production cost is overhigh. Solder resist volatilization can be caused when the solder paste is in an open state for too long, resulting in soldering defects. The installation of the existing tin adding machine is limited by the internal space of the printing machine, and most machine types cannot be installed; some of the tin adding devices are linked with a printing machine, and the printing machine stops working when tin is added, so that the production efficiency of a production line is influenced.

SUMMERY OF THE UTILITY MODEL

According to the problem that exists among the prior art, the utility model provides an automatic tin adding device has the volume of adding the tin cream comparatively stable, obtains controlling easily, has reduced the remaining of tin cream in the tin cream jar moreover, has effectively saved the advantage of cost.

The utility model adopts the following technical scheme:

the utility model provides an automatic tin adding device, includes organism and tin cream jar, be equipped with actuating mechanism on the organism, actuating mechanism connects U type slider, be equipped with the fixing device who is used for fixed tin cream jar on the U type slider, be equipped with the piston on the corresponding position in fixing device below, install on the organism bottom the piston, the piston upper end is equipped with the sealing washer, sealing washer center department is equipped with the tin hole, cross the connection below the tin hole and add the tin mouth, the piston is hollow structure, add the tin mouth and install inside the piston, it connects tin mechanism to be equipped with the rotation on the corresponding position in tin mouth below.

Preferably, the fixing device comprises a fixing ring, and the fixing ring is in threaded connection with the solder paste can.

Further preferably, the U-shaped sliding block is provided with a U-shaped guide groove I for installing the fixing ring.

Preferably, a slide rail is arranged on the machine body, one end of the U-shaped sliding block is connected with the slide rail in a sliding manner, the driving mechanism comprises a motor and a screw rod driven by the motor, a nut seat is arranged on the screw rod, and the nut seat drives the U-shaped sliding block to slide along the slide rail.

Further preferably, one end of the U-shaped sliding block is provided with a sliding block II, the sliding block II is installed inside the track, and the nut seat drives the sliding block II to slide along the sliding rail.

Further preferably, the U-shaped sliding block is fixedly connected with the sliding block II through a bolt.

Preferably, the sealing ring and the tin adding nozzle are made of rubber materials.

Preferably, the lower part of the machine body is provided with a U-shaped guide groove II and a ball plunger, and the piston is installed on the machine body through the U-shaped guide groove II and the ball plunger.

Preferably, the rotary tin-transferring mechanism is rotatably connected with the machine body through a bolt.

Preferably, a mounting frame for mounting is arranged on one side of the machine body.

The beneficial effects of the utility model reside in that:

1. compare with artifical mode that adds the tin cream, the utility model discloses an automatic tin adding device adds the tin cream volume comparatively stable, obtains control easily, has reduced the remaining of tin cream in the tin cream jar moreover, has effectively saved the cost.

2. The utility model discloses a motor drive lead screw motion, the nut seat of lead screw drive the slider and slide, can control the stroke that the slider removed comparatively accurately to can comparatively accurately control the addition of tin cream.

3. The utility model discloses a piston passes through U type guide way to be installed on the organism, realizes assistance-localization real-time by the bulb plunger, and it is comparatively convenient to install and dismantle.

4. The utility model discloses a mounting bracket makes the organism can the direct mount on printing machine scraper crossbeam, the automatic printing machine that adds tin machine adaptation difference of being convenient for.

5. The utility model discloses a piston head stretches into in the tin cream jar, when the tin cream jar removed the sealing washer and extrudeed the tin cream in to the tin cream jar, the tin cream was on through and falling into the steel net in crossing the tin hole to realize adding the work of tin cream.

6. The utility model discloses because the accurate control of the volume of adding tin for the printing stable quality reduces the product harmfully and hidden danger.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic tin adding device;

FIG. 2 and FIG. 3 are schematic views showing the connection relationship between the driving mechanism and the mounting frame in the automatic tin adding device;

FIG. 4 is an exploded view of the solder paste can, seal ring, and piston of the automatic soldering apparatus.

Reference numerals: 1. a body; 2. a mounting frame; 4. a piston mechanism; 5. rotating the tin-transferring mechanism; 6. a solder paste can; 15. a nut seat; 18. a tin-connected motor; 19. a slide rail; 30. a U-shaped slider; 22. a drive mechanism; 23. a ball plunger; 51. a fixing device; 52. a fixing ring; 521. a U-shaped guide groove I; 54. a seal ring; 55. a piston; 551. a U-shaped guide groove II; 56. adding a tin nozzle; 57. tin passing holes; 40. a motor; 41. a screw rod; 42. and a sliding block II.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and 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 1

The utility model provides an automatic tin adding device, includes organism 1 and tin cream jar 6, be equipped with actuating mechanism 22 on the organism 1, U type slider 30 is connected to actuating mechanism 22, be equipped with the fixing device 51 that is used for fixed tin cream jar 6 on the U type slider 30, be equipped with piston 55 on the corresponding position in fixing device 51 below, install on organism 1 piston 55 bottom, piston 55 upper end is equipped with sealing washer 54, sealing washer 54 center department is equipped with tin hole 57, cross and connect tin adding mouth 56 below tin hole 57, piston 55 is hollow structure, it installs inside piston 55 to add tin mouth 56, it connects tin mechanism 5 to be equipped with the rotation on the corresponding position in tin adding mouth 56 below.

The fixing device 51 comprises a fixing ring 52, and the fixing ring 52 is in threaded connection with the solder paste can 6.

The U-shaped sliding block 30 is provided with a U-shaped guide groove I521 for mounting the fixing ring 52.

The machine body 1 is provided with a slide rail 19, one end of the U-shaped slide block 30 is connected with the slide rail 19 in a sliding manner, the driving mechanism 22 comprises a motor 40 and a screw rod 41 driven by the motor, the screw rod 14 is provided with a nut seat 15, and the nut seat 15 drives the U-shaped slide block 30 to slide along the slide rail 19.

As a further preferable embodiment, one end of the U-shaped sliding block 30 is provided with a sliding block II 42, and the U-shaped sliding block 30 is fixedly connected with the sliding block II 42 through a bolt. The second slider 42 is mounted inside the track 19, the nut seat 15 drives the second slider 42 to slide along the slide rail 19, and the moving stroke of the U-shaped slider 30 can be controlled more accurately, so that the adding amount of solder paste can be controlled more accurately.

The seal ring 54 and the tinning nozzle 56 are made of rubber materials.

The lower part of the machine body 1 is provided with a U-shaped guide groove II 551 and a ball plunger 23, and the piston 55 is arranged on the machine body through the U-shaped guide groove II 551 and the ball plunger 23.

The rotary tin-switching mechanism 5 is rotationally connected with the machine body 1 through a bolt.

The mounting frame 2 used for mounting is arranged on one side of the machine body 1, so that the machine body 1 can be directly mounted on a scraper beam of an external printing machine, and the automatic tin adding machine can be adapted to printing machines of different models conveniently.

The working principle of the present invention will be further explained below.

During operation, actuating mechanism 22 drive U type slider 30 slides on organism 1, U type slider 30 drives tin cream jar 6 and moves so that the jar mouth of tin cream jar 6 and the contact of sealing washer 54 on the piston 55 along the axial direction of piston 55, when tin cream jar 6 continues to move, sealing washer 54 stretches into in the tin cream jar 6, when sealing washer 54 extrudees the tin cream in the tin cream jar 6, the tin cream passes through and falls on the steel mesh in tin hole 57 and the nozzle 56 that adds to the work of realization interpolation tin cream.

The rotary tin-connecting mechanism 5 is driven by the tin-connecting motor 18 to rotate and deviate below the piston 55 during each tin adding process so as to realize that the tin paste falls onto the steel mesh; on the contrary, each time the tin adding is finished, the rotary tin-connecting mechanism 5 is driven by the tin-connecting motor 18 to rotate to the position right below the piston 55 so as to prevent the tin paste from falling to the position outside the printing area of the steel mesh in the printing process.

Claims

1. The utility model provides an automatic tin adding device, includes organism (1) and tin cream jar (6), its characterized in that: be equipped with actuating mechanism (22) on organism (1), U type slider (30) is connected in actuating mechanism (22), be equipped with fixing device (51) that are used for fixed tin cream jar (6) on U type slider (30), be equipped with piston (55) on the corresponding position in fixing device (51) below, install on organism (1) piston (55) bottom, piston (55) upper end is equipped with sealing washer (54), sealing washer (54) center department is equipped with tin hole (57), cross and connect with tin mouth (56) below tin hole (57), piston (55) are hollow structure, add tin mouth (56) and install inside piston (55), it connects tin mechanism (5) to be equipped with the rotation on the corresponding position in tin mouth (56) below.

2. The automatic tin adding device according to claim 1, characterized in that: the fixing device (51) comprises a fixing ring (52), and the fixing ring (52) is in threaded connection with the solder paste can (6).

3. The automatic tin adding device according to claim 2, characterized in that: and a U-shaped guide groove I (521) for mounting the fixing ring (52) is formed in the U-shaped sliding block (30).

4. The automatic tin adding device according to claim 1, characterized in that: the novel motor is characterized in that a sliding rail (19) is arranged on the motor body (1), one end of the U-shaped sliding block (30) is connected with the sliding rail (19) in a sliding mode, the driving mechanism (22) comprises a motor (40) and a screw rod (41) driven by the motor, a nut seat (15) is arranged on the screw rod (41), and the nut seat (15) drives the U-shaped sliding block (30) to slide along the sliding rail (19).

5. The automatic tin adding device according to claim 4, characterized in that: u type slider (30) one end is equipped with slider II (42), slider II (42) are installed inside slide rail (19), nut seat (15) drive slider II (42) along slide rail (19) slip.

6. The automatic tin adding device according to claim 5, characterized in that: the U-shaped sliding block (30) is fixedly connected with the sliding block II (42) through a bolt.

7. The automatic tin adding device according to claim 1, characterized in that: the sealing ring (54) and the tin adding nozzle (56) are made of rubber materials.

8. The automatic tin adding device according to claim 1, characterized in that: the lower part of the machine body (1) is provided with a U-shaped guide groove II (551) and a ball plunger (23), and the piston (55) is arranged on the machine body through the U-shaped guide groove II (551) and the ball plunger (23).

9. The automatic tin adding device according to claim 1, characterized in that: the rotary tin-switching mechanism (5) is rotationally connected with the machine body (1) through a bolt.

10. The automatic tin adding device according to claim 1, characterized in that: and one side of the machine body (1) is provided with a mounting rack (2) for mounting and using.