CN215243643U

CN215243643U - Solder paste recovery device and printing device

Info

Publication number: CN215243643U
Application number: CN202023183248.6U
Authority: CN
Inventors: 邱国良; 宋先玖; 陈韬
Original assignee: Dongguan Kaige Precision Machinery Co ltd
Current assignee: Dongguan Kaige Precision Machinery Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-12-21
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a solder paste recovery device and a printing device, which comprises a solder collecting and releasing module and a driving module used for driving the solder collecting and releasing module to collide with a steel mesh so as to recover solder paste on the steel mesh; the tin collecting and releasing module comprises a fixing frame, a rotary driving device is installed on the fixing frame, a rotary shaft of the rotary driving device is connected with a driving roller, a scraper is further installed on the fixing frame, a preset recovery gap is formed between the scraper and the driving roller, and annular tin collecting paper is tightly sleeved on the scraper and the driving roller; when the solder paste is recovered, the driving module drives the scraper to move towards the direction of the steel mesh until the annular solder paper is abutted against the steel mesh; the rotary driving device drives the annular tin collecting paper to rotate so as to recover the tin paste on the steel mesh. The utility model discloses a recovery unit and printing device can high-efficiently retrieve the tin cream on the steel mesh.

Description

Solder paste recovery device and printing device

Technical Field

The utility model relates to a tin cream printing technology field especially relates to an automatic receive tin device and printing device.

Background

With the rapid development of the electronic industry, the SMT technology is becoming more and more perfect, and the chip component becomes the mainstream component in the electronic industry, so that the solder paste printing technology becomes more and more important.

In the prior art, tin paste is inevitably left on a steel mesh in the printing process; when residual solder paste exists on the surface of the steel mesh, a series of problems such as bridging, printing blurring and the like can occur during solder paste printing; for avoiding above problem, all can change the steel mesh after the printing of tin cream at every turn, and can remain the tin cream on the steel mesh of treating to change, remain the tin cream on the steel mesh of treating to change and generally be artifical with tin cream stirring sword recovery tin cream, the operating time of artifical recovery tin cream is longer and intensity of labour is higher.

In view of the above, it is desirable to provide a solder paste recycling apparatus that can effectively improve the efficiency of recycling solder paste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic receive tin device and printing device can effectively promote the efficiency of retrieving the tin cream.

To achieve the purpose, the utility model adopts the following technical proposal:

a solder paste recovery device comprises a solder receiving and releasing module;

the tin collecting and releasing module comprises a fixing frame, a rotary driving device is installed on the fixing frame, a rotating shaft of the rotary driving device is connected with a driving roller, a scraper is further installed on the fixing frame, a preset recovery gap is formed between the scraper and the driving roller, annular tin collecting paper is tightly sleeved on the scraper and the driving roller, and the scraper, the driving roller and the annular tin collecting paper form a winding unit for recovering tin paste on a steel mesh;

when retrieving the tin cream, order about the rolling unit removes towards the steel mesh direction, until the annular is received the tin paper and is contradicted the tin cream on the steel mesh, rotary driving device drives the drive roller is rotatory, makes the tin cream that the position of contradicting adheres by the rolling.

Optionally, the mount comprises two fixed plates of establishing separately, the fixed plate is kept away from the one end of drive roller all is provided with the blind hole, the both ends of scraper blade are all fixed to be provided with and are used for inserting the inserted bar in the blind hole, still compressibly be provided with in the blind hole and be used for promoting the inserted bar is towards keeping away from the spring of the direction removal of drive roller, the elasticity messenger of spring annular receipts tinfoil tensioning in on the scraper blade.

Optionally, the device further comprises a driving module; the driving module comprises a lifting module and a translation module, wherein the lifting module is used for driving the winding unit to move towards the direction of the steel mesh, and the translation module is used for guiding the lifting module to move along the solder paste surface of the steel mesh;

the translation module comprises a first slide rail arranged on one side of a solder paste surface of the steel mesh in parallel, a support frame connected to the first slide rail in a sliding manner and a driving motor driving the support frame to slide along the first slide rail, and the lifting module is arranged on the support frame;

the lifting module comprises a second sliding rail arranged on the translation module and a lifting cylinder connected with the second sliding rail in a sliding mode, and a mounting plate is fixed on an output shaft of the lifting cylinder.

Optionally, the solder paste recycling device further includes a swing angle motor installed on the driving module, a rotation shaft of the swing angle motor is parallel to an axis of the driving roller, the fixing frame is installed on the rotation shaft of the swing angle motor, and the swing angle motor is installed on the installation plate.

Optionally, the surface of the driving roller is provided with a low-viscosity glue layer for preventing the annular tin foil from slipping, and the annular tin foil is made of wax paper.

Optionally, the scraper is a strip-shaped plate, and the length direction of the scraper is parallel to the axis of the driving roller.

Optionally, when the annular tinfoil collecting paper collides against the steel mesh, an included angle a between the fixing plate and the steel mesh ranges from 15 ° to 90 °.

A printing device comprises a rack, wherein a steel mesh is arranged on the rack, and the printing device also comprises the solder paste recovery device; the driving module is arranged on the rack.

Optionally, the tin collecting and releasing module is further configured to playback the solder paste on the annular tin collecting paper onto the steel mesh;

when the solder paste is played back, the driving module drives the winding unit to move towards the direction close to the steel mesh until the annular solder paper is abutted against the steel mesh, and at the moment, the scraper is located at a preset position; the rotary driving device drives the annular tin foil collecting paper to rotate so as to enable tin paste on the annular tin foil collecting paper to be played back to the steel net.

Compared with the prior art, the utility model discloses following beneficial effect has:

the embodiment of the utility model provides a solder paste recovery unit, when receiving the tin, drive module drive scraper blade removes towards the steel mesh, receives the solder paper steel mesh of contradicting until the annular, then rotary drive device drives the drive roller and rotates, and the drive roller rotates and drives the annular and receive the solder paper and rotate in order to retrieve the solder paste, and the solder paste recovery unit of this embodiment can high-efficient recovery remain the solder paste on the steel mesh of waiting to change to effectively promote the efficiency of retrieving the solder paste on the steel mesh.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

FIG. 1 is a schematic structural view of a solder paste recycling apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of position B of FIG. 1;

FIG. 3 is an enlarged schematic view of position D of FIG. 1;

fig. 4 is a schematic structural view of a tin collecting and releasing module provided in the embodiment of the present invention;

fig. 5 is a schematic structural view of the tin collecting and releasing module according to the embodiment of the present invention when the left fixing plate is hidden;

FIG. 6 is an enlarged schematic view of position A of FIG. 5;

FIG. 7 is an enlarged schematic view of position C of FIG. 5;

FIG. 8 is a schematic view showing the positions of the fixing plate and the steel mesh when the annular tinfoil is pressed against the steel mesh.

Illustration of the drawings: 10. a frame; 1. placing a tin module; 11. a fixed mount; 111. a fixing plate; 112. a spring; 12. a drive roller; 13. a rotation driving device; 14. a squeegee; 141. a circular arc surface; 142. inserting a rod; 15. annularly collecting tinfoil; 2. a translation module; 21. a first slide rail; 22. a support frame; 23. a drive motor; 3. a lifting module; 31. mounting a plate; 32. a swing angle motor; 33. a second slide rail; 34. a driving cylinder; 4. and (5) a steel mesh.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment of the utility model provides a tin cream recovery unit and printing device, drive module drive scraper blade 14 removes towards the direction that is close to the steel mesh of waiting to change, and the steel mesh of waiting to change is received to the annular until 15 conflicts of tin foil, and drive roller 12 is driven and is driven the annular and receive 15 rotations of tin foil to the tin cream on the steel mesh of waiting to change is retrieved.

Example one

Referring to fig. 1-7, the present embodiment provides a solder paste recycling apparatus, which includes a solder receiving and releasing module 1 and a driving module for driving the solder receiving and releasing module 1 to collide with a steel mesh 4 to recycle solder paste on the steel mesh 4.

Receive and release tin module 1 and include mount 11, and rotary drive 13 is installed to mount 11, and rotary drive 13's rotation axis is connected with drive roller 12, still installs scraper blade 14 on the mount 11, has preset recovery clearance between scraper blade 14 and the drive roller 12, and the cover is equipped with annular receipts tinfoil 15 in the tensioning on scraper blade 14 and the drive roller 12. The scraper 14, the driving roller 12 and the annular tin collecting paper 15 form a collecting unit for collecting tin paste on the steel mesh.

When the solder paste is recovered, the driving module drives the rolling unit to move towards the direction of the steel mesh 4 until the annular solder collecting paper 15 collides with the solder paste on the steel mesh 4; the rotary driving device 13 drives the driving roller 12, the annular solder paper 15 rotates along with the driving roller, and solder paste adhered to the annular solder paper 15 is wound, so that the solder paste on the steel mesh is recovered.

It should be clear that, in the rotation process of the annular tin collecting paper 15, the tin paste on the steel mesh 4 is adhered and transferred to the annular tin collecting paper 15, so that the work of recovering the tin paste on the steel mesh 4 is completed, the recovery process is efficient, and the labor intensity of workers is greatly reduced.

In this embodiment, the fixing frame is composed of two separately arranged fixing plates 111, a blind hole is formed in one end of each fixing plate far away from the driving roller 12, an insertion rod 142 used for being inserted into the blind hole is fixedly arranged at each of two opposite ends of the scraper 14, and a spring used for pushing the insertion rod 142 to move towards the direction far away from the driving roller 12 is further arranged in each blind hole. It should be clear that the spring 112 is disposed in the blind hole in a compressed manner, and the elastic force of the spring 112 moves the scraper 14 away from the driving roller 12, so that the annular solder receiving paper 15 sleeved on the scraper 14 and the driving roller 12 is tensioned, and the solder paste receiving effect of the annular solder receiving paper 15 is ensured.

In this embodiment, the solder paste recycling device further includes a swing angle motor 32 installed on the driving module, a rotation shaft of the swing angle motor 32 is parallel to an axis of the driving roller 12, and the fixing frame 11 is installed on the rotation shaft of the swing angle motor 32. The swing angle motor 32 is used for adjusting the inclination angle of the whole tin collecting and releasing module 1, and specifically, when tin paste is collected, the swing angle motor 32 can adjust the tin collecting and releasing module 1 to a proper angle so as to improve the effect of collecting the tin paste; in addition, after the completion receives the tin cream, pendulum angle motor 32 can be with receiving and releasing tin module 1 adjustment for the horizontality, vacates bigger space for changing steel mesh 4 to it is convenient to change steel mesh 4.

In this embodiment, the driving module includes a lifting module 3 for driving the tin collecting and releasing module 1 to move toward the direction of the steel mesh 4 and a translation module 2 for driving the lifting module 3 to move along the surface of the steel mesh 4.

The translation module 2 includes a first slide rail 21 disposed on the frame 10, a support frame 22 slidably connected to the first slide rail 21, and a driving motor 23 for driving the support frame 22 to move along the first slide rail 21, and the lifting module 3 is mounted on the support frame 22. Specifically, the translation module 2 is used for driving the annular solder receiving paper 15 to move along the surface of the steel mesh 4, so as to realize active solder paste receiving.

The lifting module 3 comprises a second slide rail 33 arranged on the translation module and a lifting cylinder 34 connected to the second slide rail 33 in a sliding manner, an output shaft of the lifting cylinder 34 is fixed with a mounting plate 31, and a swing angle motor 32 is mounted on the mounting plate 31. Specifically, the lifting cylinder 34 is used for driving the tin collecting and releasing module 1 to move away from or close to the steel mesh 4, so as to realize the function of enabling the annular tin collecting paper 15 on the scraper 14 to collide with the steel mesh 4. As shown in fig. 8, when the solder paste is recovered, the driving module drives the scraper 14 to move towards the steel mesh 4 until the annular solder paper 15 collides with the steel mesh 4; the rotary driving device 13 drives the annular solder receiving paper 15 to rotate anticlockwise so as to recover solder paste on the steel mesh 4, and the solder receiving and releasing module 1 moves rightwards along the surface of the steel mesh 4 at the moment so as to finish solder paste receiving work.

In this embodiment, in order to avoid the driving roller from slipping, the surface of the driving roller 12 is provided with a low-viscosity adhesive layer for preventing the annular tin foil collection 15 from slipping, and the annular tin foil collection 15 is made of wax paper. Specifically, the annular solder paper 15 made of the stencil can prevent solder paste from adhering to the surface thereof, and in addition, the annular solder paper 15 rotating in cooperation with the rotation of the driving roller 12 can ensure the solder paste receiving effect.

In this embodiment, the scraper 14 is a strip-shaped plate, and the length direction of the scraper is parallel to the axis of the driving roller 12, so as to ensure that the annular tinfoil collection paper 15 can be tensioned everywhere. When the annular tinfoil collection paper 15 collides with the steel mesh 4, the included angle a between the fixing plate 111 and the steel mesh 4 ranges from 15 degrees to 90 degrees.

Example two

The embodiment provides a printing device, which comprises a frame 10, wherein a steel mesh 4 is arranged on the frame 10, and the printing device also comprises a solder paste recovery device according to the first embodiment; wherein the driving module is disposed on the frame 10.

In this embodiment, the tin collecting and releasing module 1 is further configured to replay the solder paste on the annular tin collecting paper 15 onto the steel mesh 4. Specifically, the process of playing back the solder paste is as follows:

when the solder paste is played back, the driving module drives the scraper to move towards the direction close to the steel mesh 4 until the annular solder paper 15 collides with the steel mesh 4, and the scraper 14 is located at the preset position; the rotary driving device drives the annular solder paper 15 to rotate so as to replay solder paste on the annular solder paper 15 onto the steel mesh 4. It should be clear that, also shown in the direction of fig. 8, the annular solder foil 15 abuts against the steel mesh, and the drive roller 12 rotates clockwise when the solder paste is being played back, so as to play back the solder paste on the annular solder foil 15 onto the steel mesh.

The tin cream recovery device and the printing device provided by the utility model can efficiently recover the tin cream on the steel mesh to be replaced; in addition, the collected solder paste can be played back to a new steel mesh, and the production efficiency is effectively improved. In addition, when the solder paste recovery device is used together with the automatic steel mesh placing device, the automatic product replacement can be realized without human by the client, so that the client can save labor cost and time for replacing the product.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A tin cream recovery device is characterized by comprising a tin collecting and releasing module (1);

receive and release tin module (1) including mount (11), rotary drive device (13) are installed in mount (11), the rotation axis of rotary drive device (13) is connected with drive roller (12), still install scraper blade (14) on mount (11), scraper blade (14) with have predetermined recovery clearance between drive roller (12), scraper blade (14) with the cover is equipped with annular receipts tin paper (15) with the tensioning on drive roller (12), scraper blade (14) drive roller (12) with annular receipts tin paper (15) constitute the rolling unit that is used for retrieving the tin cream on the steel mesh.

2. The solder paste recycling device according to claim 1, wherein the fixing frame (11) is composed of two separated fixing plates (111), a blind hole is formed in one end of each fixing plate (111) far away from the driving roller (12), an insertion rod (142) for being inserted into the blind hole is fixedly arranged at each end of the scraper (14), a spring (112) for pushing the insertion rod (142) to move towards the direction far away from the driving roller (12) is arranged in the blind hole in a compressed mode, and the annular solder paper (15) is tensioned on the scraper (14) by the aid of elastic force of the spring (112).

3. The solder paste recycling apparatus according to claim 1, further comprising a driving module; the driving module comprises a lifting module (3) for driving the winding unit to move towards the direction of the steel mesh and a translation module (2) for guiding the lifting module (3) to move along the solder paste surface of the steel mesh;

the translation module (2) comprises a first slide rail (21) arranged on one side of a solder paste surface of the steel mesh in parallel, a support frame (22) connected to the first slide rail (21) in a sliding manner, and a driving motor (23) driving the support frame (22) to slide along the first slide rail (21), and the lifting module (3) is installed on the support frame (22);

the lifting module (3) comprises a second sliding rail (33) arranged on the translation module and a lifting cylinder (34) connected with the second sliding rail (33) in a sliding mode, and an installation plate (31) is fixed on an output shaft of the lifting cylinder (34).

4. The solder paste recycling device according to claim 3, further comprising a swing angle motor (32) mounted on the driving module, wherein a rotation shaft of the swing angle motor (32) is parallel to an axis of the driving roller (12), the fixing frame (11) is mounted on the rotation shaft of the swing angle motor (32), and the swing angle motor (32) is mounted on the mounting plate (31).

5. Solder paste reclamation apparatus according to claim 1, wherein the surface of the drive roller (12) is provided with a low-tack layer which prevents slippage of the endless solder paper (15), the endless solder paper (15) being made of waxed paper.

6. The solder paste recycling apparatus according to claim 1, wherein the squeegee (14) is a strip-shaped plate, and a longitudinal direction of the squeegee is parallel to an axis of the drive roller (12).

7. The solder paste recycling device according to claim 2, wherein when the annular solder paper (15) is pressed against the steel mesh, the included angle a between the fixing plate (111) and the steel mesh ranges from 15 ° to 90 °.

8. A printing device comprises a rack (10), wherein a steel mesh is arranged on the rack (10), and the printing device is characterized by also comprising a driving module and a solder paste recovery device;

the solder paste recovery device comprises a solder receiving and releasing module (1);

the tin collecting and releasing module (1) comprises a fixing frame (11), a rotary driving device (13) is installed on the fixing frame (11), a driving roller (12) is connected to a rotary shaft of the rotary driving device (13), a scraper (14) is further installed on the fixing frame (11), a preset recovery gap is formed between the scraper (14) and the driving roller (12), annular tin collecting paper (15) is sleeved on the scraper (14) and the driving roller (12) in a tensioning mode, and the scraper (14), the driving roller (12) and the annular tin collecting paper (15) form a winding unit for recovering tin paste on a steel mesh;

the driving module is arranged on the rack (10).

9. The printing device according to claim 8, wherein the tin collecting and releasing module (1) is further used for returning tin paste on the annular tin collecting paper (15) onto the steel mesh;

when the solder paste is played back, the driving module drives the rolling unit to move towards the direction close to the steel mesh until the annular solder paper (15) is abutted against the steel mesh, and at the moment, the scraper (14) is located at a preset position; the rotary driving device drives the annular tin collecting paper (15) to rotate so as to enable tin paste on the annular tin collecting paper (15) to be played back to the steel mesh.