CN219965337U

CN219965337U - Self-cleaning type solder paste ejection mechanism

Info

Publication number: CN219965337U
Application number: CN202321283704.5U
Authority: CN
Inventors: 洪梅
Original assignee: Suzhou Boao Automation Technology Group Co ltd
Current assignee: Suzhou Boao Automation Technology Group Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-11-07
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a self-cleaning type solder paste spraying mechanism which is provided with a spraying pipe, wherein a nozzle is arranged at the bottom of the spraying pipe; comprising the following steps: the movable plate is movably penetrated through the side wall of the spraying pipe, a reset spring is fixed on the side surface of the movable plate, a fixed box is sleeved on the outer side of the reset spring, and the fixed box is fixed on two sides of the spraying pipe; the fixed rod, its one end with fly leaf fixed connection, the other end of fixed rod is connected with the piston piece, and the outside cover of piston piece is equipped with fixed cylinder to one side that the fixed rod was kept away from to the piston piece is fixed with the rack, fixed cylinder is fixed in the fixed box and keeps away from the side of spouting the material pipe, and the side of fixed cylinder passes through gas-supply pipe and spouts material pipe interconnect. This self-cleaning formula solder paste ejection mechanism, after the solder paste sprays, can enough carry out the shutoff to spraying structure, have the structure of automatic clearance again to spraying structure, prevent to cause its inner structure's jam, can not influence the homogeneity of spraying the face again simultaneously.

Description

Self-cleaning type solder paste ejection mechanism

Technical Field

The utility model relates to the technical field of solder paste ejection mechanisms, in particular to a self-cleaning type solder paste ejection mechanism.

Background

The solder paste is used in a welding process, welding spots are formed between workpieces, welding between two or more workpieces is further achieved, the solder paste is usually discharged through a spraying structure and smeared on the surfaces of the workpieces, for example, a solder paste spraying machine with the publication number of CN210434786U is arranged, a camera shooting assembly is arranged, a CCD camera lens in the camera shooting assembly monitors a working platform in real time, and an electric control valve body and a pneumatic valve body in the spraying assembly are arranged to control circulation of the solder paste and gas, so that the electric control valve body and the pneumatic valve body process a PCB. However, the solder paste sprayer still has the following defects in the actual use process:

the above-mentioned sprayer has realized spraying to the solder paste, but after spraying, lacks the structure of automatic clearance to spraying structure, leads to when follow-up solder paste sprays, causes the phenomenon that spraying structure to block up easily to and the spraying face is inhomogeneous, and to above-mentioned problem, the urgent need carries out innovative design on the basis of former solder paste ejection mechanism.

Disclosure of Invention

The utility model aims to provide a self-cleaning type solder paste ejection mechanism, which aims to solve the problems that after the ejection, the structure for automatically cleaning an ejection structure is lack in the prior art, so that the ejection structure is easy to be blocked and the ejection surface is uneven during the subsequent solder paste ejection.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-cleaning type solder paste spraying mechanism is provided with a spraying pipe, and a nozzle is arranged at the bottom of the spraying pipe;

comprising the following steps:

the movable plate is movably penetrated through the side wall of the spraying pipe, a reset spring is fixed on the side surface of the movable plate, a fixed box is sleeved on the outer side of the reset spring, and the fixed box is fixed on two sides of the spraying pipe;

the fixed rod, its one end with fly leaf fixed connection, the other end of fixed rod is connected with the piston piece, and the outside cover of piston piece is equipped with fixed cylinder to one side that the fixed rod was kept away from to the piston piece is fixed with the rack, fixed cylinder is fixed in the fixed box and keeps away from the side of spouting the material pipe, and the side of fixed cylinder passes through the gas-supply pipe and spouts the material pipe interconnect, and spouts the inner wall of material pipe and paste there is the gasbag.

Preferably, the movable plates are symmetrically distributed about a vertical axis of the spraying pipe, and one side, connected with the 2 movable plates, is an inclined plane, so that the inclined plane of the movable plates can be impacted when the solder paste is sprayed, and the 2 movable plates are driven to be far away from each other.

Preferably, the movable plate and the fixed box form a sliding structure, the movable plate is attached to the slotting of the spraying pipe, and when the movable plate moves, the movable plate can slide in the fixed box and squeeze the reset spring.

Preferably, the fixed rod and the fixed cylinder are in horizontal sliding connection, the fixed cylinder is mutually communicated through the gas pipe and the gas pipe, and when the movable plate moves, the fixed rod can be pushed to slide in the fixed cylinder, so that the piston block is driven to synchronously move.

Preferably, the air bag is arranged between the spraying pipe and the nozzle, and the air bag is symmetrically arranged with 2 air bags relative to the spraying pipe, when the piston block moves, the air in the air bag can be pumped into the fixed cylinder through the air pipe.

Preferably, the rack and the gear are in meshed connection, the gear is fixedly sleeved on the outer side of the movable shaft, the movable shaft is movably arranged on the side of the fixed cylinder, and the movable shaft can be driven to rotate through meshed transmission between the rack and the gear.

Preferably, the loose axle passes through belt pulley mechanism and transmission shaft interconnect, and the bottom fixedly connected with shutoff board of transmission shaft to the up end of shutoff board and the bottom laminating contact of nozzle, the loose axle can drive the transmission shaft through belt pulley mechanism and rotate, and then drives the synchronous rotation of shutoff board.

Compared with the prior art, the utility model has the beneficial effects that: this self-cleaning formula solder paste ejection mechanism, after the solder paste sprays, can enough carry out the shutoff to spraying structure, have the structure of automatic clearance to spraying structure again, prevent to cause its inner structure's jam, can not influence the homogeneity of spraying the face again simultaneously, the specific content is as follows:

1. when the solder paste is conveyed in the spraying pipe, the movable plate can be impacted and driven to be away from each other so as to facilitate the passing of the solder paste, and the movable plate can drive the movable block to move in the fixed cylinder through the fixed rod in the moving process of the movable plate, so that the movable block can drive the rack to synchronously move, and the transmission shaft and the blocking plate can be driven to synchronously rotate through the meshing transmission between the movable block and the gear and the transmission of the belt pulley mechanism so as to facilitate the passing of the solder paste;

2. when the piston block moves towards one direction, the gas in the inflated air bag can be pumped into the fixed cylinder through the gas pipe, so that the air bag is in a flat state, solder paste is conveniently ejected, and when the piston block moves in the reverse direction, the gas in the fixed cylinder can be transmitted into the air bag through the gas pipe, the air bag is driven to expand, and then the redundant solder paste in the nozzle is extruded.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of a front cross-section structure of a spray pipe according to the present utility model;

FIG. 3 is a schematic view of the front cross-section of the fixing case of the present utility model;

FIG. 4 is a schematic view of the front cross-section of the fixing barrel of the present utility model;

fig. 5 is a schematic view of the structure of the plugging plate after rotation.

In the figure: 1. a spraying pipe; 2. a nozzle; 3. a movable plate; 4. a return spring; 5. a fixed box; 6. a fixed rod; 7. a piston block; 8. a fixed cylinder; 9. a gas pipe; 10. an air bag; 11. a rack; 12. a gear; 13. a movable shaft; 14. a transmission shaft; 15. and a plugging plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the self-cleaning type solder paste spraying mechanism is provided with a spraying pipe 1, and a nozzle 2 is arranged at the bottom of the spraying pipe 1; comprising the following steps: the movable plate 3 movably penetrates through the side wall of the spraying pipe 1, a reset spring 4 is fixed on the side surface of the movable plate 3, a fixed box 5 is sleeved on the outer side of the reset spring 4, and the fixed box 5 is fixed on two sides of the spraying pipe 1; the dead lever 6, its one end and fly leaf 3 fixed connection, the other end of dead lever 6 is connected with piston block 7, and the outside cover of piston block 7 is equipped with fixed cylinder 8 to one side that dead lever 6 was kept away from to piston block 7 is fixed with rack 11, and fixed cylinder 8 is fixed in the side that fixed box 5 kept away from spouting material pipe 1, and the side of fixed cylinder 8 passes through gas-supply pipe 9 and spouts material pipe 1 interconnect, and spouts the inner wall of material pipe 1 and paste and have gasbag 10.

As shown in fig. 1-2, the movable plates 3 are symmetrically distributed about the vertical axis of the spraying pipe 1, and the side where 2 movable plates 3 are connected is an inclined plane; the movable plate 3 and the fixed box 5 form a sliding structure, the movable plate 3 is attached to the slotting part of the spraying pipe 1, when solder paste enters the spraying pipe 1, the movable plate 3 can be impacted, the inclined surfaces of the movable plate 3 drive 2 movable plates 3 to be far away from each other and slide in the fixed box 5, and the springs are driven to compress, so that the solder paste can enter the lower end of the spraying pipe 1, and then when the material conveying is stopped, the movable plate 3 can be driven to recover to the original position and attach to each other through the rebound resilience of the springs, so that the effect of blocking the inside of the spraying pipe 1 is achieved, and the solder paste is prevented from continuously falling;

as shown in fig. 2-3 and 5, the fixed rod 6 and the fixed cylinder 8 are horizontally connected in a sliding way, the fixed cylinder 8 is communicated with each other through the air pipe 9 and the air bag 10, and when the movable plate 3 moves, the movable block 7 can be pushed by the fixed rod 6 to move in the fixed cylinder 8; the air bags 10 are arranged between the spray pipe 1 and the nozzles 2, and the air bags 10 are symmetrically arranged 2 about the spray pipe 1, so that in the process that the movable plates 3 are mutually far away from solder paste, the air in the air bags 10 can be pumped into the fixed cylinder 8 through the movement of the piston blocks 7, the inflated air bags 10 are in a flat state, so that solder paste enters the nozzles 2, after the movable plates 3 are restored to the original positions, the air in the fixed cylinder 8 can be conveyed into the air bags 10, and further, the redundant solder paste at the lower end of the spray pipe 1 can be extruded through the inflated air bags 10, so that solidification in the spray pipe 1 is prevented;

as shown in fig. 1 and fig. 4-5, the rack 11 and the gear 12 are in meshed connection, the gear 12 is fixedly sleeved on the outer side of the movable shaft 13, and the movable shaft 13 is movably arranged on the side of the fixed cylinder 8; the loose axle 13 passes through belt pulley mechanism and transmission shaft 14 interconnect, and the bottom fixedly connected with shutoff board 15 of transmission shaft 14, and the up end of shutoff board 15 and the bottom laminating contact of nozzle 2, can drive the synchronous removal of rack 11 when piston piece 7 removes, and then drive loose axle 13 through the meshing between rack 11 and the gear 12 and rotate, rethread belt pulley mechanism drives transmission shaft 14 and rotates, can drive shutoff board 15 rotation in the solder paste passing like this, let nozzle 2 bottom be the open-phase and make things convenient for the solder paste to spray, afterwards the gasbag 10 extrudees unnecessary solder paste, the shutoff is carried out to nozzle 2 bottom through shutoff board 15 to synchronous.

Working principle: as shown in fig. 1-5, after the solder paste enters the spray tube 1, the movable plate 3 can be impacted, so that the movable plate 3 is driven to be far away from each other, so that the solder paste passes through, the piston block 7 is pushed to move in the fixed cylinder 8, the air in the air bag 10 is pumped out, so that the solder paste can conveniently pass through the spray tube 1 to enter the nozzle 2, the piston block 7 can drive the rack 11 to move while moving, and the blocking plate 15 can be driven to rotate through the screw transmission between the rack 11 and the gear 12 and the transmission of the belt pulley mechanism, so that the nozzle 2 can be driven to be opened for spraying when the solder paste passes through.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The self-cleaning type solder paste spraying mechanism is provided with a spraying pipe (1), wherein a nozzle (2) is arranged at the bottom of the spraying pipe (1);

characterized by comprising the following steps:

the movable plate (3) is movably penetrated through the side wall of the spraying pipe (1), a reset spring (4) is fixed on the side surface of the movable plate (3), a fixed box (5) is sleeved on the outer side of the reset spring (4), and the fixed box (5) is fixed on the two sides of the spraying pipe (1);

fixed lever (6), its one end with fly leaf (3) fixed connection, the other end of fixed lever (6) is connected with piston piece (7), and the outside cover of piston piece (7) is equipped with fixed cylinder (8) to one side that fixed lever (6) was kept away from to piston piece (7) is fixed with rack (11), fixed cylinder (8) are fixed in fixed box (5) and keep away from the side of spouting material pipe (1), and the side of fixed cylinder (8) is through gas-supply pipe (9) and spout material pipe (1) interconnect to the inner wall of spouting material pipe (1) is pasted and is had gasbag (10).

2. The self-cleaning solder paste ejection mechanism of claim 1, wherein: the movable plates (3) are symmetrically distributed about the vertical axis of the spraying pipe (1), and the side, connected with the 2 movable plates (3), is an inclined plane.

3. The self-cleaning solder paste ejection mechanism of claim 1, wherein: the movable plate (3) and the fixed box (5) form a sliding structure, and the movable plate (3) is attached to the slotting of the spraying pipe (1).

4. The self-cleaning solder paste ejection mechanism of claim 1, wherein: the fixing rod (6) is horizontally connected with the fixing cylinder (8) in a sliding mode, and the fixing cylinder (8) is communicated with the air bag (10) through the air pipe (9).

5. The self-cleaning solder paste ejection mechanism of claim 1, wherein: the air bags (10) are arranged between the spraying pipe (1) and the nozzles (2), and the air bags (10) are symmetrically arranged about the spraying pipe (1) in number.

6. The self-cleaning solder paste ejection mechanism of claim 1, wherein: the rack (11) is in meshed connection with the gear (12), the gear (12) is fixedly sleeved on the outer side of the movable shaft (13), and the movable shaft (13) is movably arranged on the side of the fixed cylinder (8).

7. The self-cleaning solder paste ejection mechanism of claim 6, wherein: the movable shaft (13) is connected with the transmission shaft (14) through a belt pulley mechanism, the bottom of the transmission shaft (14) is fixedly connected with a plugging plate (15), and the upper end face of the plugging plate (15) is in fit contact with the bottom of the nozzle (2).