CN211281562U

CN211281562U - Quantitative subpackaging device

Info

Publication number: CN211281562U
Application number: CN201922294189.0U
Authority: CN
Inventors: 郑序漳; 刘岩; 章远玲
Original assignee: Xiamen Jissyu Solder Co ltd
Current assignee: Xiamen Jissyu Solder Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-18
Anticipated expiration: 2029-12-19

Abstract

The utility model provides a pair of quantitative partial shipment device, including storage barrel, locating part, three-way valve, inlet pipe and discharging pipe, be equipped with a piston in the storage barrel, the piston encloses jointly with the storage barrel and closes and form the storage cavity, the locating part sets up on the storage barrel and corresponds the piston, just the locating part can switch over at a plurality of different positions to the home range of restriction piston, and then change the capacity in storage cavity, the material mouth that communicates the storage cavity is still seted up to the storage barrel to connect the first opening of three-way valve through this material mouth, the second opening and the third opening of three-way valve are connected respectively to inlet pipe and discharging pipe, the action of the case of three-way valve can make this three-way valve switch over between first opening and second opening are linked together and first opening and third opening are linked together. This ration partial shipment device has realized continuous used repeatedly, and can load required volume by oneself according to actual demand.

Description

Quantitative subpackaging device

Technical Field

The utility model relates to a solder paste encapsulation equipment field, concretely relates to quantitative partial shipment device for solder paste encapsulation.

Background

Solder paste is also known as solder paste, the english name solder paste. Solder paste is a new type of soldering material produced by SMT (surface mount technology), and is a paste mixture formed by mixing solder powder, soldering flux, other surfactants, thixotropic agents, etc. The method is mainly used for welding electronic components such as surface resistance and capacitance of the PCB (printed circuit board) in the SMT industry.

The solder paste is generally sold together by being contained in the dispensing needle tube, cannot be filled by self after being used up, and the empty dispensing needle tube needs to be recycled to the original factory for filling; continuous repeated use cannot be realized, and troubles are caused in transportation and use.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a ration partial shipment device can realize continuous used repeatedly, and can load required volume by oneself according to actual demand.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

the utility model provides a ration partial shipment device, includes storage barrel, locating part, three-way valve, inlet pipe and discharging pipe, be equipped with a piston in the storage barrel, the piston encloses jointly with the storage barrel and closes and form the storage cavity, the locating part sets up and corresponds on the storage barrel the piston, just the locating part can switch at a plurality of different positions to the home range of restriction piston, and then change the capacity in storage cavity, the material mouth that feeds through the storage cavity is still seted up to the storage barrel to connect the first opening of three-way valve through this material mouth, the second opening and the third opening of three-way valve are connected respectively to inlet pipe and discharging pipe, the action of the case of three-way valve can make this three-way valve be linked together at first opening and second opening and switch between first opening and third opening are linked together.

Further, the storage cylinder includes barrel and end cover, the piston sets up in the barrel and encloses jointly with the barrel and close and form the storage cavity, the material mouth is seted up on the barrel, has seted up the installing opening on the barrel of telling, install the end cover on the installing opening, the mobile setting of locating part is on the end cover of storage cylinder.

Furthermore, the limiting part is a limiting rod, the limiting rod moves on the end cover to change the length of the limiting rod extending into the cylinder, and the piston moves to abut against the limiting rod to be limited.

Furthermore, the limiting rod is a screw rod, and the screw rod is in threaded connection with the end cover.

Furthermore, a vent notch is formed between the piston and the inner wall of the cylinder, and a vent hole communicated with the inside and the outside of the cylinder is formed in the end cover.

Furthermore, the number of the vent holes is two, namely an air inlet hole and an air outlet hole, and the air inlet hole is used for being connected with an air inflation source.

Further, the three-way valve is an electric three-way valve or a pneumatic three-way valve.

Through the utility model provides a technical scheme has following beneficial effect:

when the quantitative split charging device is used for filling, the valve core of the three-way valve is controlled to move, so that the second opening connected with the feeding pipe is communicated with the first opening connected with the storage barrel, solder paste is pumped into the storage barrel from the feeding pipe, the capacity of the storage cavity is changed by adjusting the limit range of the limit part on the piston, the required amount can be automatically filled according to actual requirements, and quantitative split charging is realized; after the filling is finished, the third opening connected with the discharging pipe is communicated with the first opening connected with the material storage barrel by controlling the valve core of the three-way valve to act, so that the normal use of the solder paste is realized. This ration partial shipment device has realized continuous used repeatedly, and can load required volume by oneself according to actual demand.

Drawings

Fig. 1 is a schematic structural diagram of a quantitative dispensing device in an embodiment.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1, the quantitative subpackaging device provided by the embodiment includes a storage cylinder 10, a limiting member 30, a three-way valve 40, a feeding pipe 50 and a discharging pipe 60, a piston 20 is disposed in the storage cylinder 10, the piston 20 and the storage cylinder 10 jointly enclose and form a storage cavity 101, a material opening 111 communicated with the storage cavity 101 is further disposed on the storage cylinder 10, the limiting member 30 is disposed on the storage cylinder 10 and corresponds to the piston 20, and the limiting member 30 can be switched at a plurality of different positions to limit the moving range of the piston 20, so as to change the capacity of the storage cavity 101. If the capacity of the storage cavity 101 needs to be limited to 40ml, the limiting piece 30 is arranged at a position corresponding to 40ml, so that the piston 20 can only move in a position of 40ml at most, and is limited by the limiting piece 30 when moving to the position of 40 ml; similarly, if the volume of the storage chamber 101 is limited to 60ml, the stopper 30 is set at a position corresponding to 60ml, so that the piston 20 can only move in a maximum position of 60ml, and is limited by the stopper 30 when moving to the position of 60ml, and so on.

The three-way valve 40 is a three-way valve structure in the prior art, and in this specific embodiment, the three-way valve is a pneumatic three-way valve, and includes a three-way pipe, a valve core, and a pneumatic execution portion, where the three-way pipe has three openings, that is, a first opening 401, a second opening 402, and a third opening 403, the material storage barrel 10 is connected to the first opening 401 of the three-way valve 40 through the material port 111, the material inlet pipe 50 and the material outlet pipe 60 are connected to the second opening 402 and the third opening 403 of the three-way valve 40, respectively, the valve core of the three-way valve 40 is disposed in the three-way pipe, and the three-way valve 403 can be switched between the first opening 401 and the second opening 402 and between. The pneumatic execution part drives the valve core to act through air pressure.

When the quantitative split charging device is used for filling, the valve core of the three-way valve 40 is controlled to move, so that the second opening 402 connected with the feeding pipe 50 is communicated with the first opening 401 connected with the storage barrel 10, solder paste is pumped into the storage barrel 10 from the feeding pipe 50, the capacity of the storage cavity 101 is changed by adjusting the limit range of the limit piece 30 to the piston 20, the required amount can be automatically filled according to actual requirements, and quantitative split charging is realized; after the filling is finished, the valve core of the three-way valve 40 is controlled to move, so that the third opening 403 of the connecting discharging pipe 60 is communicated with the first opening 401 of the connecting storage cylinder 10, and the normal use of the solder paste is realized. This ration partial shipment device has realized continuous used repeatedly, and can load required volume by oneself according to actual demand.

Simultaneously, this ration partial shipment device also conveniently dismantles the cleaning operation, when needing to dismantle, unpacks each interface apart, realizes rinsing each part alone operation, washs more conveniently, thoroughly.

Further, in this embodiment, the storage cylinder 10 includes a cylinder 11 and an end cover 12, the piston 20 is disposed in the cylinder 11 and encloses with the cylinder 11 to form the storage cavity 101, the material opening 111 is opened on the cylinder 11, an installation opening is opened on the cylinder 11, the end cover 12 is installed on the installation opening, and the limiting member 30 is movably disposed on the end cover 12 of the storage cylinder 10. The installation opening is arranged, so that the piston 20 can be conveniently assembled, the inner wall of the cylinder body 11 can be conveniently cleaned, when the storage cylinder 10 is cleaned, the end cover 12 and the piston 20 are detached sequentially, and the inner wall of the cylinder body 11 can be well cleaned.

More specifically, in this embodiment, the limiting member 30 is a limiting rod, the limiting rod 30 moves on the end cover 12 to change the length of the limiting rod extending into the cylinder 11, so as to switch between different positions, and the piston 20 moves to abut against the limiting rod 30 to be limited. As mentioned above, when the capacity of the material storage cavity 101 needs to be limited to 40ml, the limiting rod 30 is extended into the position corresponding to 40 ml; if the size of the limiting rod is increased to 60ml on the basis of 40ml, the limiting rod 30 is moved out of the position corresponding to 60ml, and the operation is simple and convenient.

More specifically, in this embodiment, the limiting rod 30 is a screw, the screw 30 is screwed to the end cover 12, and the length of the screw 30 extending into the barrel 11 is changed by rotating the screw, so that the operation is facilitated, and the precision is good.

Of course, in other embodiments, the limiting member 30 may also adopt other structures capable of limiting the piston 20, such as a pin and a socket, that is, a plurality of sockets (not shown) are formed on the cylinder 11, and the pin (not shown) cooperates with different sockets to limit different positions of the piston 20 at different positions; more specifically, when the pin is engaged with one of the sockets, the other sockets are preferably sealed, such as by a plunger, to prevent solder paste from leaking out.

Further, in this embodiment, a vent gap (not shown) is formed between the piston 20 and the inner wall of the cylinder 11, and the end cap 12 is provided with a vent hole communicating the inside and the outside of the cylinder 11, so that when solder paste is filled, air in the storage cavity 101 can flow out through the vent gap and the vent hole of the end cap 12 in sequence, thereby achieving sufficient filling.

More specifically, in this embodiment, the two vent holes are provided, and are respectively an air inlet hole 121 and an air outlet hole 122, the air inlet hole 121 is used for connecting an inflation source, and air in the storage cavity 101 sequentially flows out through the vent notch and the air outlet hole 122 of the end cover 12. When the solder paste needs to be used, the air outlet 122 is blocked, high-pressure air flows into the cylinder 11 through the air inlet 121 to press the piston 20, and the piston 20 extrudes the solder paste in the storage cavity 101, so that the solder paste in the storage cavity 101 is ejected to the discharge pipe 60 through the material port 111, the first opening 401 and the third opening 403 of the three-way valve 40 in sequence. Certainly, in other embodiments, one vent hole may be provided, and when one vent hole is provided, the vent hole cannot be connected to the air inflation source during the filling operation, and when the solder paste needs to be sprayed, the vent hole is connected to the air inflation source, which is relatively complicated in operation. In another embodiment, the piston 20 and the inner wall of the cylinder 11 may not have to be provided with a vent gap.

Specifically, in this embodiment, the three-way valve 40 is a pneumatic three-way valve, and certainly, in other embodiments, existing three-way valve structures such as an electric three-way valve or a hydraulic three-way valve may also be used, and the specific structures and driving manners thereof are the prior art, and will not be described in detail herein.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a ration partial shipment device which characterized in that: including storage barrel, locating part, three-way valve, inlet pipe and discharging pipe, be equipped with a piston in the storage barrel, the piston encloses jointly with the storage barrel and closes and form the storage cavity, the locating part sets up and corresponds on the storage barrel the piston, just the locating part can switch at a plurality of different positions to the home range of restriction piston, and then change the capacity of storage cavity, the material mouth that feeds through the storage cavity is still seted up to the storage barrel to connect the first opening of three-way valve through this material mouth, the second opening and the third opening of three-way valve are connected respectively to inlet pipe and discharging pipe, the action of the case of three-way valve can make this three-way valve switch between first opening and second opening are linked together and first opening and third opening are linked together.

2. A metered dose dispensing apparatus as claimed in claim 1 wherein: the storage cylinder comprises a cylinder body and an end cover, the piston is arranged in the cylinder body and is enclosed together with the cylinder body to form a storage cavity, the material opening is formed in the cylinder body, an installation opening is formed in the cylinder body, the end cover is installed on the installation opening, and the limiting part is movably arranged on the end cover of the storage cylinder.

3. A metered dose dispensing apparatus as claimed in claim 2 wherein: the locating part is a limiting rod, the limiting rod moves on the end cover to change the length of the limiting rod extending into the cylinder, and the piston moves to abut against the limiting rod to be limited.

4. A metered dose dispensing apparatus as claimed in claim 3 wherein: the limiting rod is a screw rod which is in threaded connection with the end cover.

5. A metered dose dispensing apparatus as claimed in claim 2 wherein: a vent notch is formed between the piston and the inner wall of the cylinder body, and a vent hole communicated with the inside and the outside of the cylinder body is formed in the end cover.

6. A metered dose dispensing apparatus as claimed in claim 5 wherein: the two vent holes are respectively an air inlet hole and an air outlet hole, and the air inlet holes are used for being connected with an air inflation source.

7. A metered dose dispensing apparatus as claimed in claim 1 wherein: the three-way valve is an electric three-way valve or a pneumatic three-way valve.