WO2017214797A1

WO2017214797A1 - Solder paste dispensing and driving device, and dispensing and driving method thereof

Info

Publication number: WO2017214797A1
Application number: PCT/CN2016/085555
Authority: WO
Inventors: 罗艺
Original assignee: 深圳市兴华炜科技有限公司
Priority date: 2016-06-13
Filing date: 2016-06-13
Publication date: 2017-12-21

Abstract

A solder paste dispensing and driving device comprises a solder paste container (1), a squeezing device (2) squeezing solder paste out of the solder paste container, and a driving device (3) providing power to perform a relative movement between the squeezing device and the solder paste container. The driving device (3) comprises a driving motor (30), a transmission belt (31), and a transmission threaded rod (32). The transmission threaded rod (32) comprises a threaded rod (320) and a threaded rod bolt (321). The threaded rod bolt (321) is driven by the transmission belt (31) to rotate. The solder paste container (1) is disposed and fixed at one end of the threaded rod (320). The threaded rod bolt (321) is moved by the transmission belt (31) and driven by the driving motor (30) to rotate on the position, and in turn, to drive the threaded rod (320) to perform an up-down movement, thereby driving the solder paste container (1) to move, squeezing solder paste by a relative movement between the solder paste container (1) and squeezing device (2). The device has high stability, low power consumption, and high control precision, facilitating automatic production, having a simple overall structure, and requiring low costs.

Description

Solder paste reclaiming propulsion device and reclaiming method thereof

Technical field

The present invention relates to the field of solder paste printing technology, and more particularly to a solder paste reclaiming device and a reclaiming method thereof.

Background technique

Solder paste is a new type of solder material that comes with SMT. It is usually mixed with solder powder, flux, surfactant and thixotropic agent to form a paste mixture. It is mainly used for soldering electronic components on PCB. Printing and other fields;

At present, the solder paste is taken out from the solder paste box, most of which rely on manual excavation. The worker operates with high production intensity and cannot be automated. The priority of automatic feeding is to solve the driving problem. At present, there is no low energy consumption and stability. Propulsion device for automatic production of solder paste and material with high performance and convenient control.

technical problem

The technical problem to be solved by the present invention is to provide a solder paste reclaiming device with low energy consumption, high stability and convenient control for the above-mentioned defects of the prior art;

Technical solution

There is also provided a solder paste reclaiming method using the above-described solder paste reclaiming device.

The technical solution adopted by the present invention to solve the technical problem thereof is:

Constructing a solder paste reclaiming device comprising a solder paste cartridge; wherein, further comprising: extruding means for extruding from the solder paste box and powering relative movement between the extruding device and the solder paste cartridge Drive device comprising a drive motor, a conveyor belt and a drive screw, the drive screw comprising a screw rod and a spindle nut, the lead screw nut being rotated by the conveyor belt; the screw rod end Fixed with the solder paste box.

The solder paste reclaiming device of the present invention further includes a synchronous wheel fixedly coupled to the lead screw nut through a screw nut sleeve, the synchronous wheel side surface being provided with a cavity matched with the transmission belt Further, a bearing housing is further disposed, and a plurality of bearings that rotate with the screw nut are evenly disposed in the bearing housing.

In the solder paste take-up propulsion device of the present invention, the synchronous wheel, the drive screw, and the bearing housing constitute a group of units, and the unit has a plurality of groups and are driven by the conveyor belt.

The solder paste reclaiming device of the present invention further includes a fine nut that is coupled to the bearing housing and is disposed on both sides of the lead screw nut sleeve and is closely attached to the screw nut sleeve.

In the solder paste reclaiming device of the present invention, a bearing gasket is disposed between the fine nut and the bearing on the bearing housing.

In the solder paste reclaiming device of the present invention, a bearing cover is disposed at one end of the bearing housing away from the synchronous wheel.

The solder paste reclaiming device of the present invention further comprises two rotating shafts respectively guiding the conveyor belt on both sides of the screw nut.

The solder paste picking and pushing device of the present invention further includes a solder paste holder fixing plate for fixing the solder paste box; the screw rod is fixedly disposed with the solder paste box fixing plate.

In the solder paste reclaiming device of the present invention, the solder paste holder fixing plate is provided with a screw end fixing block fixedly connected to the screw.

A solder paste reclaiming propulsion method is applied to the solder paste reclaiming device as follows: the lead screw nut is driven by the driving motor to be rotated in situ by the driving belt, thereby enabling the The screw rod moves up and down to drive the solder paste box to move, and the solder paste is squeezed out through the solder paste box to operate the solder paste.

Beneficial effect

The utility model has the beneficial effects that: the screw nut is driven by the driving motor to be rotated by the driving motor under the driving of the conveyor belt, thereby causing the screw rod to move up and down to drive the solder paste box to move, and the pressing operation is performed by the solder paste box and the extrusion device. The solder paste is produced with high stability, low power consumption and high control precision, and is convenient for automatic production; the overall structure is simple and the cost is low.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the prior art, the present invention will be further described in conjunction with the accompanying drawings and embodiments. For ordinary technicians, other drawings can be obtained based on these drawings without any creative work:

1 is a schematic structural view of a solder paste reclaiming device according to a preferred embodiment of the present invention;

2 is a schematic view showing the structure of a solder paste reclaiming device according to a preferred embodiment of the present invention.

Embodiments of the invention

The present invention will be described in detail with reference to the embodiments of the present invention. Not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any inventive effort are within the scope of the present invention.

The solder paste take-up propulsion device of the preferred embodiment of the present invention is shown in FIG. 1 , while referring to FIG. 2 , including the solder paste box 1 ; and the extruding device 2 for extruding from the solder paste box 1 and the extruding device 2 The driving device 3 is provided with a relative movement between the solder paste box 1. The driving device 3 includes a driving motor 30, a transmission belt 31 and a driving screw 32. The driving screw 32 includes a screw rod 320 and a screw nut 321 and a screw nut. 321 is rotated by the conveyor belt 31; one end of the screw rod 320 is fixedly disposed with the solder paste box 1; the screw nut 321 is driven by the driving motor 30 to be rotated by the driving motor 30, thereby driving the screw rod 320 to move up and down. The solder paste box 1 moves, and the solder paste is extruded through the solder paste box 1 and the extruding device 2, and has high stability, low power consumption and high control precision, and is convenient for automatic production; the overall structure is simple and the cost is low.

As shown in FIG. 1 and FIG. 2, a synchronous wheel 5 fixedly connected to the screw nut 321 through the screw nut sleeve 4 is further provided. The side surface of the synchronous wheel 5 is provided with a cavity 50 matched with the conveyor belt 31; 6. The bearing housing 6 is evenly provided with a plurality of bearings 60 that rotate with the screw nut 321 , the spindle nut 321 is limited by the bearing seat 6 , and the synchronous wheel 5 drives the screw nut 321 , and the running stability is high.

As shown in FIG. 1 and FIG. 2, the synchronous wheel 5, the transmission screw 32, and the bearing housing 6 constitute a group of units, and the unit has multiple groups and is driven by the transmission belt 31, which can simultaneously operate at multiple stations, thereby improving production efficiency, and Driven by the same conveyor belt 31, the motion consistency is high and the error is small.

As shown in FIG. 1 and FIG. 2, the fine nut 7 which is disposed on the two sides of the screw nut sleeve 4 and is tightly disposed with the screw nut 321 is connected to the bearing housing 6, and the screw nut 321 is matched with the bearing housing 6. Limits further enhance stability.

As shown in FIG. 1 and FIG. 2, a bearing washer 61 is disposed between the fine nut 7 and the bearing 60 on the bearing housing 6, which effectively reduces the wear between the fine nut 7 and the bearing housing 6 and prolongs the service life.

As shown in FIGS. 1 and 2, the bearing housing 6 is provided with a bearing cover 62 at one end away from the synchronous wheel 5 to prevent foreign matter from entering the normal operation.

As shown in FIG. 1 and FIG. 2, two rotating shafts 8 respectively guided on the sides of the screw nut 321 for guiding the belt 31 are provided to prevent the belt 31 from being displaced.

As shown in FIG. 1 and FIG. 2, the solder paste box fixing plate 9 for fixing the solder paste box 1 is further included; the screw rod 320 and the solder paste box fixing plate 9 are fixedly arranged, so that the worker can quickly replace the solder paste box 1 and improve production. Efficiency, reducing the intensity of workers' production.

As shown in FIG. 1 and FIG. 2, the solder paste holder fixing plate 9 is provided with a screw end fixing block 90 fixedly connected to the screw rod 320 for quick disassembly and assembly.

The invention also provides a solder paste reclaiming propulsion method, which utilizes a solder paste reclaiming propulsion device, and the implementation manner is as follows: the screw nut is driven by the driving motor to be rotated by the driving belt, thereby causing the screw rod to move up and down. The movement of the solder paste box is carried out, and the solder paste is extruded through the relative operation of the solder paste box and the extruding device.

It is to be understood that those skilled in the art will be able to make modifications and changes in accordance with the above description, and all such modifications and variations are intended to be included within the scope of the appended claims.

Claims

A solder paste reclaiming device comprising a solder paste cartridge; characterized in that it further comprises an extruding device for extruding from the solder paste box and providing a relative movement between the extruding device and the solder paste cartridge a driving device comprising a driving motor, a conveyor belt and a drive screw, the transmission screw comprising a screw rod and a spindle nut, the screw nut being rotated by the conveyor belt; the screw rod One end is fixedly disposed with the solder paste box.
The solder paste reclaiming device according to claim 1, further comprising a synchronous wheel fixedly coupled to the lead screw nut through a screw nut sleeve, wherein the synchronous wheel side surface is provided with the transfer belt a matching cavity; further comprising a bearing seat, wherein the bearing housing is uniformly provided with a plurality of bearings that rotate in cooperation with the screw nut.
The solder paste reclaiming device according to claim 2, wherein said synchronous wheel, said drive screw, said bearing housing constitute a group of units, said unit having a plurality of groups and each of said transmission With drive.
The solder paste reclaiming device according to claim 3, further comprising a fine nut connected to the bearing housing and disposed on both sides of the screw nut sleeve and in close contact with the screw nut sleeve .
The solder paste take-up propulsion device according to claim 4, wherein a bearing washer is disposed between the fine nut and the bearing on the bearing housing.
The solder paste reclaiming device according to claim 5, wherein the bearing housing is provided with a bearing cap facing away from one end of the synchronous wheel.
The solder paste reclaiming device according to claim 1, further comprising two rotating shafts respectively guiding the conveyor belt on both sides of the lead screw nut.
The solder paste picking and pushing device according to claim 1, further comprising a solder paste holder fixing plate for fixing the solder paste cartridge; the screw rod and the solder paste cartridge fixing plate are fixedly disposed.
The solder paste picking and pushing device according to claim 8, wherein the solder paste holder fixing plate is provided with a screw end fixing block fixedly connected to the screw.
A solder paste reclaiming method using the solder paste reclaiming device of claim 1-9, wherein the screw nut is driven by the driving motor under the driving of the conveyor belt Rotating, so that the screw rod moves up and down to drive the solder paste box to move, and the solder paste is squeezed out by the solder paste box and the extruding device.