CN211276870U

CN211276870U - Screw rod feeding solder paste valve

Info

Publication number: CN211276870U
Application number: CN201921430387.9U
Authority: CN
Inventors: 林东明; 陈进得
Original assignee: Shenzhen Surpass Industrial Equipment Co ltd
Current assignee: Shenzhen Surpass Industrial Equipment Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-08-18
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a screw rod feed tin cream valve, including the main valve body, solenoid valve module, firing pin, motor and trigger needle, the solenoid valve module is installed to the left end of the main valve body, the top of the main valve body is inserted and is equipped with the trigger needle, and the top of trigger needle inserts and is equipped with adjustable stroke piece, the left side of adjustable stroke piece is inserted and is equipped with the fixed block, and the outer wall of fixed block has cup jointed the spring, the fixed slot has been seted up in the left side of trigger needle, the inside of the main valve body is inserted and is equipped with the firing pin, the bottom fixed mounting of the main valve body has the nozzle, and the inside of nozzle is provided with the jet, the right side fixed mounting of the main valve body has the installation piece, and the inside fixed mounting of installation piece has the material loading. The utility model discloses be provided with material loading pole and adjustable stroke piece, through the inside of material loading pole with the solder paste stirring and carry the inlet nozzle, via the impact force that the firing pin produced the solder paste afterwards to realize the jet output of accurate and stable control solder paste.

Description

Screw rod feeding solder paste valve

Technical Field

The utility model relates to a tin cream valve technical field specifically is screw rod feed tin cream valve.

Background

With the continuous development of the society and the continuous progress of the industry, the existing method for carrying out high-precision tin feeding on a circuit board with electronic components mainly comprises two methods, namely contact type point tin feeding, wherein when a needle head is lifted up or pulled back, tin paste is easy to adhere to the needle head, so that the phenomenon of tin paste tip pulling occurs, and the other method is a tin paste spray printing technology.

The conventional solder paste spraying method mainly performs spraying and dispensing by non-contact impact of a piezoelectric firing pin, but the method has limited spraying capability and can only spray solder paste below five powder with low viscosity, and the method has short service life, troublesome maintenance and high maintenance cost, so that a screw solder paste feeding valve is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw rod feed tin cream valve to the tin cream that proposes in solving above-mentioned background art spouts seal jettability limited, can only spout the tin cream below the lower No. five powder of viscosity, and practical life is short, maintains trouble scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the screw rod feeding solder paste valve comprises a main valve body, a solenoid valve module, a firing pin, a motor and a trigger needle, wherein the solenoid valve module is installed at the left end of the main valve body, the trigger needle is inserted into the top end of the main valve body, an adjustable stroke block is inserted into the top end of the trigger needle, a fixed block is inserted into the left side of the adjustable stroke block, a spring is sleeved on the outer wall of the fixed block, a fixed groove is formed in the left side of the trigger needle, the firing pin is inserted into the main valve body, a nozzle is fixedly installed at the bottom end of the main valve body, a jet orifice is formed in the nozzle, an installation block is fixedly installed on the right side of the main valve body, a feeding port is fixedly installed in the installation block, a feeding rod is inserted into the inner wall of the feeding port, the motor is fixedly installed on the right side of the installation block, the output end of the motor is fixedly, and a feeding port is formed in the bottom end of the feeding box.

Preferably, the shape of the adjustable stroke block is in an inverted 'mountain' shape, and the adjustable stroke block is sleeved on the outer wall of the trigger needle.

Preferably, the outer wall of the feeding rod is provided with threads, and the diameter of the outer wall of the feeding rod is equal to the diameter of the inner wall of the feeding port.

Preferably, one end of the feeding port is communicated with the jet orifice, and the other end of the feeding port is communicated with the feeding box through the feeding port.

Preferably, one end of the spring is fixedly welded with the fixed block, the other end of the spring is fixedly welded with the trigger pin, and the spring and the fixed block form an elastic structure.

Preferably, four groups of fixing grooves are vertically arranged, the diameters of the inner walls of the four groups of fixing grooves are equal to the diameter of the outer wall of the fixing block, the fixing block is inserted into the fixing groove, and the fixing block and the fixing grooves form an embedded structure.

Compared with the prior art, the beneficial effects of the utility model are that: this screw rod feed tin cream valve is provided with material loading pole and adjustable stroke piece, through the inside of material loading pole with tin cream stirring and carrying into the nozzle, via the impact force that the firing pin produced the tin cream afterwards to realize the jet output of accurate and stable control tin cream.

(1) The device is provided with the material loading pole, and the tin cream enters into the inside of material loading mouth through atmospheric pressure in the inside of feed tank, and the motor drives the material loading pole afterwards and rotates, carries the inside tin cream of material loading mouth stirring and carries, makes better that the tin cream mixes, and it is more convenient to use.

(2) The device is provided with adjustable stroke piece, and the pulling fixed block makes the fixed block break away from the inside of fixed slot, and then can highly adjust adjustable stroke piece, loosens the fixed block afterwards, makes the spring drive the inside that the fixed block was embedded into another group of fixed slot and fixes, and then changes the distance of adjustable stroke piece and firing pin, makes the impact that the firing pin received different, and then realizes the tin cream of multiple concentration, convenient to use.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of the present invention at B in fig. 1.

In the figure: 1. a main valve body; 2. a solenoid valve module; 3. a feeding tank; 4. mounting blocks; 5. a stroke adjustable block; 6. a striker; 7. a nozzle; 8. a feeding rod; 9. a motor; 10. a trigger pin; 11. an ejection port; 12. A feeding port; 13. a fixed block; 14. a spring; 15. fixing grooves; 16. and a feeding port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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.

Referring to fig. 1-3, the present invention provides an embodiment: screw rod feed solder paste valve, including the main valve body 1, solenoid valve module 2, firing pin 6, motor 9 and trigger needle 10, solenoid valve module 2 is installed to the left end of the main valve body 1, the top of the main valve body 1 is inserted and is equipped with trigger needle 10, and the top of trigger needle 10 is inserted and is equipped with adjustable stroke piece 5, the shape of adjustable stroke piece 5 is "the chinese character" font of falling, and adjustable stroke piece 5 cup joints the outer wall at trigger needle 10, can stretch out and draw back adjustable stroke piece 5, change the height of adjustable stroke piece 5, and then can change the interval between adjustable stroke piece 5 and the firing pin 6, adjust through the stroke to current device firing pin 6, thereby make firing pin 6 more nimble, enlarge the kind that can spray the solder paste, make its use more convenient, moreover, the steam generator is simple in structure, increase service life, and the maintenance is convenient, and the maintenance cost is low.

Adjustable stroke piece 5's left side is inserted and is equipped with fixed block 13, and the outer wall of fixed block 13 has cup jointed spring 14, spring 14's one end and the fixed welding of fixed block 13, spring 14's the other end and the fixed welding of trigger pin 10, spring 14 constitutes elastic construction with fixed block 13, pulling fixed block 13, make fixed block 13 break away from the inside of fixed slot 15, and then can adjust adjustable stroke piece 5, loosen fixed block 13 afterwards, make fixed block 13 imbed the inside of fixed slot 15 and fix, and then make adjustable stroke piece 5 fix, make things convenient for adjustable stroke piece 5 to form the striking to firing pin 6, dynamics through changing the striking is suitable for different kinds of tin cream, and is simple to operate and convenient to use.

Fixed slot 15 has been seted up on the left side of trigger needle 10, fixed slot 15 is vertical to be provided with four groups, and the inner wall diameter of four groups of fixed slot 15 equals with the outer wall diameter size of fixed block 13, fixed block 13 is inserted and is established the inside of fixed slot 15, fixed block 13 constitutes embedded structure with fixed slot 15, break away from the inside of fixed slot 15 with fixed block 13, adjustable stroke piece 5 slides afterwards, change the position on adjustable stroke piece 5 and the trigger needle 10, loosen fixed block 13 afterwards, make fixed block 13 embed into the inside of another group of fixed slot 15, change the interval between adjustable stroke piece 5 and the firing pin 6, adjust the striking dynamics between adjustable stroke piece 5 and the firing pin 6, make firing pin 6 more nimble, enlarge the kind that can spray the tin cream, high durability and convenient use.

The inside of the main valve body 1 is inserted and is equipped with the firing pin 6, the bottom fixed mounting of the main valve body 1 has nozzle 7, and the inside of nozzle 7 is provided with jet 11, the right side fixed mounting of the main valve body 1 has installation piece 4, and the inside fixed mounting of installation piece 4 has material loading mouth 12, the inner wall of material loading mouth 12 is inserted and is equipped with material loading pole 8, the outer wall of material loading pole 8 is provided with the screw thread, and the outer wall diameter of material loading pole 8 equals with the inner wall diameter size of material loading mouth 12, motor 9 drives material loading pole 8 and rotates, material loading pole 8 stirs the inside tin cream of material loading mouth 12 and carries through the screw thread, can make the better that the tin cream stirring mixes, make the effect of tin cream when spraying better, high durability and convenient use.

The right side fixed mounting of installation piece 4 has motor 9, motor 9's model can be IHSS57-36-20, motor 9's output and material loading pole 8 fixed connection, the top fixed mounting of installation piece 4 has feed box 3, and feed box 3's bottom is inside has seted up pan feeding mouth 16, the one end and the jet 11 of material loading mouth 12 are linked together, the other end of material loading mouth 12 is linked together with feed box 3 through pan feeding mouth 16, the tin cream of feed box 3's inside passes through the inside that feed feeding mouth 16 entered into material loading mouth 12 through atmospheric pressure, carry the inside that gets into jet 11 after the stirring of material loading pole 8 mixes afterwards, make the tin cream spray away through the striking of firing pin 6 afterwards, and the operation is convenient, and the steam generator is simple in structure, and is convenient for maintain.

The working principle is as follows: during the use, pulling fixed block 13, make fixed block 13 break away from the inside of fixed slot 15, can adjust adjustable stroke piece 5 afterwards, change the height of adjustable stroke piece 5, and then can change the interval between adjustable stroke piece 5 and the firing pin 6, loosen fixed block 13 afterwards, spring 14 drives fixed block 13 and imbeds the inside of another group fixed slot 15 and fix, adjust through the stroke to firing pin 6, thereby make firing pin 6 more nimble, but enlarge the kind of spray tin cream, it is more convenient to make it use.

Inside of feed case 3 lets in atmospheric pressure, make the inside tin cream of atmospheric pressure with feed case 3 inside press in the inside of material loading mouth 12 through pan feeding mouth 16, motor 9 drives material loading pole 8 afterwards and rotates, material loading pole 8 carries out stirring and transport through the inside tin cream of screw thread with material loading mouth 12, can make the better that the tin cream stirring mixes, the tin cream after mixing well afterwards enters into the inside of jet 11, through piezoelectricity firing pin 6 afterwards, make the tin cream spray away, be suitable for different types of tin cream through the striking dynamics that changes adjustable stroke piece 5 to firing pin 6, high durability and convenient use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Screw rod feed tin cream valve, including main valve body (1), solenoid valve module (2), striker (6), motor (9) and trigger needle (10), its characterized in that: the left end of the main valve body (1) is provided with a solenoid valve module (2), the top end of the main valve body (1) is inserted with a trigger needle (10), the top end of the trigger needle (10) is inserted with an adjustable stroke block (5), the left side of the adjustable stroke block (5) is inserted with a fixed block (13), the outer wall of the fixed block (13) is sleeved with a spring (14), the left side of the trigger needle (10) is provided with a fixed groove (15), the inside of the main valve body (1) is inserted with a firing pin (6), the bottom end of the main valve body (1) is fixedly provided with a nozzle (7), the inside of the nozzle (7) is provided with a jet orifice (11), the right side of the main valve body (1) is fixedly provided with an installation block (4), the inside of the installation block (4) is fixedly provided with a feeding port (12), the inner wall of the feeding port (12) is inserted with a feeding rod (8), the right side of the installation block (, and the output end of the motor (9) is fixedly connected with the feeding rod (8), the top end of the mounting block (4) is fixedly provided with the feeding box (3), and the bottom end of the feeding box (3) is internally provided with the feeding port (16).

2. The screw-fed solder paste valve of claim 1, wherein: the shape of the adjustable stroke block (5) is inverted 'mountain' -shaped, and the adjustable stroke block (5) is sleeved on the outer wall of the trigger needle (10).

3. The screw-fed solder paste valve of claim 1, wherein: the outer wall of the feeding rod (8) is provided with threads, and the diameter of the outer wall of the feeding rod (8) is equal to the diameter of the inner wall of the feeding hole (12).

4. The screw-fed solder paste valve of claim 1, wherein: one end of the feeding port (12) is communicated with the jet orifice (11), and the other end of the feeding port (12) is communicated with the feeding box (3) through a feeding port (16).

5. The screw-fed solder paste valve of claim 1, wherein: one end of the spring (14) is fixedly welded with the fixed block (13), the other end of the spring (14) is fixedly welded with the trigger pin (10), and the spring (14) and the fixed block (13) form an elastic structure.

6. The screw-fed solder paste valve of claim 1, wherein: the fixing groove (15) is vertically provided with four groups, the diameter of the inner wall of the fixing groove (15) is equal to the diameter of the outer wall of the fixing block (13), the fixing block (13) is inserted into the fixing groove (15), and the fixing block (13) and the fixing groove (15) form an embedded structure.