CN213727474U

CN213727474U - Quick-release runner module of piezoelectric injection valve

Info

Publication number: CN213727474U
Application number: CN202021856918.3U
Authority: CN
Inventors: 黄金仁
Original assignee: Shenzhen Axis Piezoelectric Technology Co ltd
Current assignee: Shenzhen Axis Piezoelectric Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-07-20
Anticipated expiration: 2030-08-31

Abstract

The utility model belongs to the technical field of the valve body air cooling encapsulation technique and specifically relates to a piezoelectricity injection valve quick detach runner module, assist piece and vertical firing pin including piezoelectric valve body, runner module, location, the piece is assisted in the location and vertical firing pin is fixed in piezoelectric valve body bottom, piezoelectric valve body fixes on the board locating plate, the runner module is fixed piezoelectric valve body bottom, the runner module has runner locating piece, runner supporting shoe, runner functional unit, the coupling part at runner functional unit and runner locating piece is installed in the interlock of runner supporting shoe. The utility model discloses reverse order resumes the installation after the maintenance is accomplished, need not to rectify the precision again, has practiced thrift a large amount of maintenance time, has simplified the relation of connection of structure to reduce the manufacturing cost of subassembly, also made things convenient for the dismouting to maintain, have higher stability, help promoting the popularization and the application in piezoelectricity injection valve market.

Description

Quick-release runner module of piezoelectric injection valve

Technical Field

The utility model belongs to the technical field of the valve body air cooling encapsulation technique and specifically relates to a piezoelectricity injection valve quick detach runner module.

Background

The piezoelectric injection valve utilizes the characteristics of piezoelectric materials, generates mechanical force through voltage, realizes the opening and closing of the valve, can eject trace liquid materials at high speed due to extremely small space of the switch valve and extremely high piezoelectric action frequency, and is suitable for ultraviolet UV curing glue, epoxy resin glue, conductive silver glue, heat-conducting grease, scaling powder, hot-melt structural glue and the like of circuit boards in various electronic industries, and the glue viscosity can be ejected from dozens of cPa to tens of thousands of cPa. Therefore, the piezoelectric injection valve is widely applicable to the dispensing field with high precision, high efficiency and high reliability.

With the widespread use of piezoelectric injection valves, the flow channel module is an important component of the valve body, and various requirements are put on the flow channel module by users, including but not limited to convenience in cleaning, convenience in installation, size limitation, and the like. When the existing runner module is cleaned and maintained, the piezoelectric valve is required to be detached from a machine table firstly, then the runner is detached for cleaning, so that the dispensing precision is required to be corrected again after the maintenance of the piezoelectric valve is completed, the flow is complex, more time is wasted, most users are not cleaned for maintenance for a long time, and the service effect and the service life of the valve body are influenced.

The utility model discloses a carry out prepositioning through the cooperation of vertical firing pin and the soft ring of location in the patent technology of the utility model CN201920977367.7 name "a piezoelectricity injection valve body runner module" disclosed in the chinese patent document, the cooperation slide positioning of rethread runner part installation spout and runner locating piece draw-in groove, the last location of the cooperation of piece and locating hole is assisted in rethread location, at last the runner functional unit is fixed through the cooperation of runner fixed block with regulation ring subassembly, when daily washing maintenance, need not to pull down the valve body wholly, also need not to rectify the precision again after daily maintenance, only need demolish the washing of runner functional unit down, install the valve body that goes on can again. In the technical scheme, the runner fixing block and the runner positioning block are connected through the fixing block rotating shaft to form the rotating mechanism; the flow channel positioning block, the fixed block and the flow channel piece are locked through the adjusting ring assembly to form a switching mechanism; a pre-pressing spring is arranged between the adjusting ring assembly and the runner positioning block to form a reset mechanism; the connecting structure is more, the connecting mode is complex, the whole production cost is high, and the connecting structure can loosen after being used for a period of time, so that the stable operation of the valve body is not facilitated. Therefore, there is a need for improved structures and functions of existing piezoelectric injection valve bodies.

Disclosure of Invention

The utility model discloses an one of the purpose lies in to prior art's defect and not enough, provides a novel structure, and cooling efficiency is high, can further reduce a piezoelectricity injection valve quick detach runner module of whole thickness.

The technical scheme of the utility model as follows:

the quick-release runner module of the piezoelectric injection valve comprises a piezoelectric valve body, a runner module, a positioning auxiliary block and a vertical firing pin, wherein the positioning auxiliary block and the vertical firing pin are fixed at the bottom of the piezoelectric valve body, the piezoelectric valve body is fixed on a machine table positioning plate, the runner module is fixed at the bottom of the piezoelectric valve body, the runner module is provided with a runner positioning block, a runner supporting block and a runner functional part, the runner positioning block is installed at the bottom of the piezoelectric valve body, the runner functional part is in tenon-and-mortise structure connection with the front end part of the runner positioning block, the runner supporting block is occluded and installed at the connecting part of the runner functional part and the runner positioning block, a locking screw for limiting and fixing the runner supporting block is arranged on the runner positioning block, and the locking screw is detachably installed between the runner supporting block and the runner positioning block.

Preferably, the runner positioning block is provided with a locking groove for the runner supporting block, the runner supporting block is provided with a supporting boss inserted into the locking groove, and the locking screw is screwed into the locking groove from the rear end of the runner positioning block.

Preferably, the top end of the support boss is provided with a barb protruding towards the locking screw side.

Preferably, the bottom of the valve body of the piezoelectric valve is provided with a slot at the side of the positioning auxiliary block close to the flow channel functional part, and the flow channel supporting block is provided with a plug at the side of the flow channel functional part, which is matched with the slot for use.

Preferably, the runner supporting block is of a chute structure with upward openings and left and right sides symmetrical, the supporting boss is arranged in the middle of the bottom of the chute at the rear end of the runner supporting block, and the plug is arranged at the end positions of two side walls of the chute at the front end of the runner supporting block.

Preferably, two obliquely arranged positioning tables are arranged on the connecting surface of the top of the flow channel positioning block and the piezoelectric valve body, and connecting holes are formed in the positioning tables.

The utility model has the advantages that: the utility model provides a piezoelectricity injection valve quick detach runner module sets the runner supporting shoe of fixed runner locating piece and runner functional unit to demountable installation's structure, need not to pull down the piezoelectric valve when the daily maintenance of washing at the runner module, only need demolish the runner supporting shoe, it can wash to take off runner functional unit again, reverse order resumes the installation after the maintenance is accomplished, need not to rectify the precision again, a large amount of maintenance time has been practiced thrift, the result of use and the life-span of piezoelectric valve have been promoted, the production efficiency is improved, and the runner supporting shoe is fixed by the locking screw that sets up on the runner locating piece, the relation of connection of structure has been simplified, thereby the manufacturing cost of subassembly has been reduced, the dismouting maintenance has also been made things convenient for, has higher stability, help promoting popularization and application in piezoelectric injection valve market.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a flow channel positioning block according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a flow channel support block according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1-4, in an embodiment of the present invention, a quick-release flow channel module for a piezoelectric injection valve includes a piezoelectric valve body 1, a flow channel module 2, a positioning auxiliary block 3 and a vertical firing pin 4, wherein the positioning auxiliary block 3 and the vertical firing pin 4 are fixed at the bottom of the piezoelectric valve body 1, a through hole is formed in the center of the positioning auxiliary block 3, the vertical firing pin 4 passes through the through hole in the center of the positioning auxiliary block 3, the piezoelectric valve body 1 is fixed on a machine positioning plate, the flow channel module 2 is fixed at the bottom of the piezoelectric valve body 1, the flow channel module 2 has a flow channel positioning block 21, a flow channel supporting block 22 and a flow channel functional component 23, two positioning tables 20 are obliquely arranged on a connecting surface between the top of the flow channel positioning block 21 and the piezoelectric valve body 1, the positioning tables 20 are provided with connecting holes, the flow channel positioning block 21 is mounted at the bottom of the piezoelectric valve body 1 through bolts, the runner functional part 23 is connected with a mortise and tenon structure 5 at the front end part of the runner positioning block 21, a mounting through hole matched with the positioning auxiliary block 3 is arranged on the runner functional part 21, the runner supporting block 22 is installed at the connecting part of the runner functional part 23 and the runner positioning block 21 in an occluded manner, a locking screw 24 for limiting and fixing the runner supporting block 22 is arranged on the runner positioning block 21, a locking groove 25 for the runner supporting block 22 is arranged on the runner positioning block 21, a supporting boss 26 inserted into the locking groove 25 is arranged on the runner supporting block 22, the locking screw 24 is screwed into the locking groove 25 from the rear end part of the runner positioning block 21, the runner supporting block 22 and the runner positioning block 21 are detachably mounted by arranging the locking screw 24, and the runner supporting block 22 for fixing the runner positioning block 21 and the runner functional part 23 is arranged into a detachable mounting structure, need not to pull down the piezoelectric valve when daily washing maintenance at runner module 2 wholly, only need demolish runner supporting shoe 22, take off runner functional unit 23 again and can wash, reverse order resumes the installation after the maintenance is accomplished, need not to rectify the precision again, has practiced thrift a large amount of maintenance time, has promoted the result of use and the life-span of piezoelectric valve, improves production efficiency.

In this embodiment, the top end of the support boss 26 is provided with a barb 27 extending towards the locking screw 23, so that the flow channel support block 22 can slide downwards under the influence of gravity when in use and installation, and the locking stability of the locking screw 24 to the support boss 26 can be improved.

In this embodiment, the slot 10 is disposed at the position of the piezoelectric valve body bottom 1, which is located at the position of the auxiliary positioning block 3 and close to the flow channel functional component 23, the flow channel supporting block 22 is located at the position of the flow channel functional component 23 and is provided with the plug 28 used in cooperation with the slot 10, the plug 28 is transversely inserted into the slot 10 at the bottom of the piezoelectric valve body 1, a fixing structure is disposed at the front end of the flow channel supporting block 22, a locking structure at the rear end is matched to form balanced stress, and the strength and connection stability of the flow channel supporting block 22 for fixing the flow channel positioning block 21 and the flow channel functional component 23 are effectively improved.

Specifically, the runner supporting block 22 is in a sliding groove 6 structure with upward openings and is symmetrical on the left and right sides, the supporting boss 26 is arranged at the middle position of the bottom of the sliding groove 6 at the rear end of the runner supporting block 22, and the plug 28 is arranged at the end positions of two side walls of the sliding groove 6 at the front end of the runner supporting block 22.

In this embodiment, the runner functional part 23 is in contact with the wedge-shaped surface of the mortise-tenon structure 5 at the front end of the runner positioning block 21, and the positioning auxiliary block 3 and the vertical striker 4 are sleeved upwards by aligning with the mounting through hole on the runner functional part 23, so that the operation is convenient and fast.

Through the technical scheme, when the flow channel is installed, the flow channel functional part 23 is connected with the flow channel positioning block 21, the supporting boss 26 on the flow channel supporting block 22 is inserted into the locking groove 25 on the flow channel positioning block 21, the plug 28 is aligned with the slot 10 arranged on the piezoelectric valve body 1 and is pushed forwards in a sliding mode, and after the plug 28 completely enters the slot 10, the supporting boss 26 is fixed in the locking groove 25 through manually turning the locking screw 24; when the runner support block is detached, the locking screw 24 is loosened, and then the runner support block 22 is slid backward, so that the runner support block is detached. The piezoelectric injection valve has the advantages that the connection relation of the structure is integrally simplified, so that the production cost of the assembly is reduced, the assembly, the disassembly and the maintenance are convenient, the piezoelectric injection valve has higher stability, and the popularization and the application of the piezoelectric injection valve market are promoted.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a piezoelectricity injection valve quick detach runner module, includes that piezoelectricity valve body, runner module, location assist piece and vertical firing pin, the location is assisted piece and vertical firing pin and is fixed in piezoelectricity valve body bottom, piezoelectricity valve body fixes on board locating plate, the runner module is fixed piezoelectricity valve body bottom, the runner module has runner locating piece, runner supporting shoe, runner functional unit, the runner locating piece is installed piezoelectricity valve body bottom, its characterized in that: the runner functional part is connected with a mortise and tenon structure at the front end part of the runner positioning block, the runner supporting block is arranged at the connecting part of the runner functional part and the runner positioning block in an occluded manner, a locking screw for limiting and fixing the runner supporting block is arranged on the runner positioning block, and the runner supporting block and the runner positioning block are detachably arranged by arranging the locking screw.

2. The fast dismounting flow channel module of the piezoelectric injection valve as claimed in claim 1, wherein: the runner positioning block is provided with a locking groove aiming at the runner supporting block, the runner supporting block is provided with a supporting boss inserted into the locking groove, and the locking screw is screwed into the locking groove from the rear end part of the runner positioning block.

3. The fast dismounting flow channel module of the piezoelectric injection valve as claimed in claim 2, wherein: and the top end of the support boss is provided with a barb extending towards the locking screw side.

4. The fast dismounting flow channel module of piezoelectric injection valve according to claim 3, wherein: the bottom of the piezoelectric valve body is provided with a slot at the side of the positioning auxiliary block close to the flow channel functional part, and the flow channel supporting block is provided with a plug matched with the slot at the side of the flow channel functional part.

5. The fast dismounting flow channel module of piezoelectric injection valve according to claim 4, wherein: the runner supporting block is of a sliding groove structure which is symmetrical on the left side and the right side and is provided with an upward opening, the supporting boss is arranged in the middle of the bottom of the sliding groove at the rear end of the runner supporting block, and the plug is arranged at the end part of two side walls of the sliding groove at the front end of the runner supporting block.

6. The fast dismounting flow channel module of the piezoelectric injection valve as claimed in claim 1, wherein: and two obliquely arranged positioning tables are arranged on the connecting surface of the top of the flow channel positioning block and the piezoelectric valve body, and connecting holes are formed in the positioning tables.