CN217369021U

CN217369021U - Dispensing valve

Info

Publication number: CN217369021U
Application number: CN202220646581.6U
Authority: CN
Inventors: 汪杰; 余海波; 孟强友; 张明; 周鹏
Original assignee: Sinoev Hefei Technologies Co Ltd
Current assignee: Sinoev Hefei Technologies Co Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-09-06
Anticipated expiration: 2032-03-23

Abstract

The utility model provides a dispensing valve, include: the device comprises a piston mechanism, a sealing structural part and a glue storage structural part; the sealing structural member is provided with first piston rod through holes, each first piston rod through hole is provided with a sealing ring, the glue storage structural member is provided with second piston rod through holes, and the first piston rod through holes correspond to the second piston rod through holes; the piston mechanism comprises a piston rod, a piston cylinder and a piston, a piston sealing ring is arranged on the piston, the piston is arranged in the piston cylinder, one bottom surface of the piston is connected with the first end of the piston rod, and the piston rod penetrates through the sealing structural member and the glue storage structural member through the first piston rod through hole and the second piston rod through hole. The utility model provides a dispensing valve can improve the production efficiency of battery effectively.

Description

Dispensing valve

Technical Field

The utility model relates to a battery production field particularly, relates to a dispensing valve.

Background

In the battery production process, fix electric core and module and need scribble the electric core groove on the module with glue. The glue application needs to be completed through a glue dispensing valve.

However, the piston rod in the dispensing valve needs to move a lot, so that the dispensing valve is easy to have poor sealing performance, and the production efficiency of the whole battery is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dispensing valve, it can be at least with partly solving above-mentioned technical problem.

The embodiment of the utility model is realized like this:

a dispensing valve, comprising:

the device comprises a piston mechanism, a sealing structural part and a glue storage structural part;

the sealing structural member is provided with first piston rod through holes, each first piston rod through hole is provided with a sealing ring, the glue storage structural member is provided with second piston rod through holes, and the first piston rod through holes correspond to the second piston rod through holes;

piston mechanism includes piston rod, piston cylinder and piston, be provided with the piston seal circle on the piston, the piston set up in the piston cylinder, a bottom surface of piston with the first end of piston rod is connected, the piston rod passes through first piston rod through-hole with second piston rod through-hole runs through sealed structure and store up gluey structure.

Optionally, the second end of the piston rod is connected with a glue discharging mechanism;

the other bottom surface of the piston is connected with an adjusting ring for adjusting the piston to move in the piston cylinder;

and a sealing cover is arranged between the piston and the adjusting ring, and the sealing cover is matched with the piston cylinder to seal the piston in the piston cylinder.

Optionally, the glue storage structure is provided with at least one glue inlet for introducing glue into the glue storage structure, and the surface of the glue inlet is different from the surface of the second piston rod through hole.

Optionally, an air inlet is arranged on the side surface of the piston cylinder and used for introducing air into the piston cylinder so as to change the air pressure in the piston cylinder.

Optionally, the glue discharging mechanism includes:

the bowl-shaped sealing element is used for opening/closing the second piston rod through hole when the piston rod moves so as to achieve the purpose of glue discharging/receiving;

and the bowl-shaped nut and the fastening nut are fixed on the piston rod together with the bowl-shaped sealing piece.

Optionally, a cylinder through hole is formed in the bottom surface of the piston cylinder, a cylinder sealing ring is arranged in the cylinder through hole, and the cylinder through hole corresponds to the first piston rod through hole and the second piston rod through hole and is used for passing through the piston rod.

Optionally, the dispensing valve further comprises an electromagnetic valve body, and the electromagnetic valve body is connected with the air inlet on the piston cylinder through a connecting mechanism and used for driving the piston rod to move.

Optionally, the sealing ring on the through hole of the first piston rod comprises two types of 6 × 2mm and 6 × 1.5 mm.

Optionally, the cylinder seal ring is 6.5 x 2mm in size;

the model of the piston sealing ring is 26 x 2 mm.

Optionally, the sealing ring on the first piston rod through hole, the cylinder sealing ring and the piston sealing ring are made of fluorine rubber.

The embodiment of the utility model provides a beneficial effect is:

through installing the sealing washer on every first piston rod through-hole, the cost is reduced and the assembly degree of difficulty, has increased the leakproofness of point gum valve simultaneously, and then has improved battery production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a dispensing valve provided in an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a dispensing valve according to an embodiment of the present invention;

fig. 3 is a schematic view of a glue discharging mechanism of a glue dispensing valve according to an embodiment of the present invention;

fig. 4 is a schematic view of an electromagnetic valve body of a dispensing valve provided in an embodiment of the present invention.

10-glue dispensing valve; 11-a piston mechanism; 12-sealing the structure; 13-glue storage structure; 14-glue discharging mechanism; 15-a solenoid valve body; 111-a piston rod; 112-piston cylinder; 113-a piston; 114-an adjustment ring; 115-a sealing cover; 1121-air intake; 1122-cylinder through hole; 1123-cylinder sealing ring; 1131 — piston seal ring; 121-a first piston rod through hole; 1211-sealing ring; 131-a second piston rod through hole; 132-glue feed inlet; 141-bowl-shaped sealing member; 142-a bowl-shaped nut; 143-fastening nuts.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the battery production process, the lithium iron phosphate cores and the module ABS plate are fixed by coating glue in each core groove of the module ABS plate, and the glue coating environment, the structure of the glue coating equipment and the stability of glue coating directly influence the quality of module installation. In the prior art, glue is generally applied to the hole site of each cell by the reciprocating motion of an upper piston and a lower piston of a dispensing valve body which moves ten thousands times per day.

The bowl-shaped plastic part and the columnar sealing plastic part are extruded between structural members by the aid of the telescopic elasticity of a spring inside an existing dispensing valve body, and accordingly, glue overflows from the wall of a piston rod in an extruding state. And because the piston rod is always doing the up-and-down piston motion, after the sealing member damages, partly normally extrudes the glue, partly overflows the glue on the piston rod wall, gets into the piston cylinder body gradually, can cause the condition that the inlet port blocks up finally, and then serious rubber coating quality problem appears.

Currently, PU (polyurethane) A, B glue is generally used in the industry, has high viscosity and is not suitable for the existing glue dispensing valve body. The sealed effect of valve body inner structure is relatively poor in current point, constantly supplies to glue to extrude to glue under the condition, can lead to life time to shorten greatly, and the valve body seals inhomogeneous problem of gluing because of glue play after impaired.

Examples

Referring to fig. 1, the present embodiment provides a dispensing valve 10, which includes:

a piston mechanism 11, a sealing structural member 12 and a glue storage structural member 13;

the sealing structure 12 is provided with first piston rod through holes 121, each first piston rod through hole 121 is provided with a sealing ring 1211, the glue storage structure 13 is provided with a second piston rod through hole 131, and the first piston rod through holes 121 correspond to the second piston rod through holes 131;

the piston mechanism 11 includes a piston rod 111, a piston cylinder 112 and a piston 113, a piston seal ring 1131 is disposed on the piston 113, the piston 113 is disposed in the piston cylinder 112, a bottom surface of the piston 113 is connected to a first end of the piston rod 111, and the piston rod 111 penetrates the sealing structure 12 and the glue storage structure 13 through a first piston rod through hole 121 and a second piston rod through hole 131.

In the specific implementation process, the piston 113 of the piston mechanism 11 moves up and down in the piston cylinder 112 to drive the piston rod 111 to move up and down through the sealing structure 12 and the glue storage structure 13, so as to discharge/withdraw the glue introduced into the glue storage structure 13. The number of the piston rods 111 can be set according to specific situations, and the number of the second piston rod through holes 131 and the number of the first piston rod through holes 121 should be set according to the number of the piston rods 111.

Optionally, as shown in fig. 2, the second end of the piston rod 111 is connected with the glue discharging mechanism 14;

an adjusting ring 114 is connected to the other bottom surface of the piston 113, and is used for adjusting the movement of the piston 113 in the piston cylinder 112;

a sealing cover 115 is arranged between the piston 113 and the adjusting ring 114, and the sealing cover 115 is matched with the piston cylinder 112 to seal the piston 113 in the piston cylinder 112.

The second end of the piston rod 111, i.e. the end not connected to the piston 113, the glue dispensing mechanism 14 may be a mechanism for dispensing/retrieving glue. The piston 113 may be connected with an adjusting ring 114, and the adjusting ring 114 may be used for manually adjusting the movement of the piston 113 in the piston cylinder 112, or the adjusting ring 114 may be adjusted by a computer or other terminal equipment. The sealing cover 115 forms a closed space with the piston cylinder 112 to seal the piston 113 in the closed space.

Optionally, still taking fig. 2 as an example, at least one glue inlet 132 is disposed on the glue storage structure 13, and is used for introducing glue into the glue storage structure 13, where a surface of the glue inlet 132 is different from a surface of the second piston rod through hole 131.

In one embodiment, a connecting device such as a pipe may be used to connect glue feed opening 132 with an external glue storage device, and glue in the glue storage device is introduced through glue feed opening 132. The number of the glue feed openings 132 may be one, or may be multiple, for example, when the glue needed to be used by the dispensing valve is a mixture of A, B kinds of glue, two glue feed openings 132 may be provided, and A, B two kinds of glue are respectively introduced into the glue storage member 13 through two glue storage devices, so as to achieve the purpose of mixing. The specific number of the glue feed holes 132 can be set according to practical situations, and the specification does not limit the specific number.

Optionally, referring to fig. 2, an air inlet 1121 is disposed at a side of the piston cylinder 112 for introducing air into the piston cylinder 112 to change the air pressure in the piston cylinder 112.

The number of the air inlets 1121 is not particularly limited in this specification, and may be one or more. The air inlet 1121 may be connected to an external device through a connection structure as shown in fig. 2, and when the air pressure in the piston cylinder 112 needs to be adjusted, the external device may be used to introduce air into the air inlet 1121 so that the air pressure in the piston cylinder 112 reaches a set air pressure.

Alternatively, as shown in fig. 3, the glue discharging mechanism 14 includes:

the bowl-shaped sealing element 141 is used for opening/closing the second piston rod through hole 131 when the piston rod 111 moves so as to achieve the purpose of glue discharging/receiving;

the bowl nut 142 and the fastening nut 143 are fixed to the piston rod 111 together with the bowl packing 141.

The bowl-shaped sealing member 141 may be a sealing member having a bowl-shaped structure in which the radius of the bottom surface of the end near the second piston rod through hole 131 is smaller than the radius of the second piston rod through hole 131, and the radius of the bottom surface of the end far from the second piston rod through hole 131 is larger than the radius of the second piston rod through hole 131. The material of the bowl-shaped sealing member 141 may be selected according to the performance such as economy and durability, and the embodiment is not particularly limited. The bowl-shaped nut 142 and the fastening nut 143 are used to fix the bowl-shaped packing 141 to the piston rod 111, thereby preventing the problems such as glue leakage caused by loosening.

Optionally, as shown in fig. 3, a cylinder through hole 1122 is formed in the bottom surface of the piston cylinder 112, a cylinder sealing ring 1123 is formed in the cylinder through hole 1122, and the cylinder through hole 1122 corresponds to the first piston rod through hole 121 and the second piston rod through hole 131 for passing through the piston rod 111. The number of cylinder through-holes 1122 should also correspond to the number of piston rods 111.

Optionally, as shown in fig. 4, the dispensing valve 10 further includes an electromagnetic valve body 15 connected to the air inlet 1121 of the piston cylinder 112 through a connecting mechanism for driving the piston rod 111 to move.

In one embodiment, the solenoid valve body 15 may be connected to a computer, a PLC, or other controller, and a worker may control the solenoid valve body 15 to control the movement of the piston 113 in the piston cylinder 112 through an operation command, so as to achieve the purpose of glue discharging/collecting. At the same time, the piston 113 in the piston cylinder 112 can also be finely adjusted by means of the adjusting ring 114.

Optionally, the sealing ring 1211 on the first piston rod through hole 121 includes two types of 6 × 2mm and 6 × 1.5 mm.

Optionally, the cylinder seal 1123 is 6.5 × 2mm in size;

piston seal 1131 is 26 × 2mm in size.

Optionally, the sealing ring 1211, the cylinder sealing ring 1123 and the piston sealing ring 1131 on the first rod through hole 121 are made of fluorine rubber.

The material loss rate of the fluorine rubber sealing ring is lower, the service life of the dispensing valve 10 can be effectively prolonged, and meanwhile, the cost of the fluorine rubber sealing ring is lower from the economic perspective. In one embodiment, the sealing performance of the dispensing valve 10 can be increased by selecting the overlapping of the sealing structures 12, and two types of 6 × 2mm and 6 × 1.5mm fluorine rubber sealing rings can be used as the sealing ring 1211 on the first piston rod through hole 121.

The utility model discloses contain following advantage at least:

1. by installing the sealing ring 1211 on each first piston rod through hole 121, the cost and the assembly difficulty are reduced, meanwhile, the sealing performance of the dispensing valve 10 is improved, and further, the production efficiency of the battery is improved.

2. The sealing ring 1211 made of the fluorine rubber material is adopted, so that the service life of the dispensing valve 10 is prolonged, and meanwhile, the cost of the dispensing valve 10 is reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dispensing valve, comprising:

piston mechanism includes piston rod, piston cylinder and piston, be provided with the piston seal circle on the piston, the piston set up in the piston cylinder, a bottom surface of piston with the first end of piston rod is connected, the piston rod passes through first piston rod through-hole with second piston rod through-hole runs through sealing structure and store up gluey structure.

2. The dispensing valve of claim 1, wherein a dispensing mechanism is connected to the second end of the piston rod;

3. The dispensing valve according to claim 1, wherein the glue storage structure is provided with at least one glue inlet for introducing glue into the glue storage structure, and the glue inlet is located on a different surface than the second piston rod through hole.

4. The dispensing valve of claim 1, wherein the side of the piston cylinder is provided with an air inlet for introducing air into the piston cylinder to change the air pressure in the piston cylinder.

5. The dispensing valve of claim 2, wherein the dispensing mechanism comprises:

6. The dispensing valve according to claim 1, wherein a cylinder through hole is formed in a bottom surface of the piston cylinder, a cylinder seal ring is disposed in the cylinder through hole, and the cylinder through hole corresponds to the first piston rod through hole and the second piston rod through hole for passing through the piston rod.

7. The dispensing valve of claim 4, further comprising a solenoid valve body connected to an air inlet port on said piston cylinder by a connecting mechanism for driving movement of said piston rod.

8. The dispensing valve of claim 6, wherein the sealing ring on the through hole of the first piston rod comprises two types of 6 x 2mm and 6 x 1.5 mm.

9. The dispensing valve of claim 8, wherein said cylinder seal is 6.5 x 2mm in size;

the model of piston sealing washer is 26 x 2 mm.

10. The dispensing valve of claim 9, wherein the sealing ring on the through hole of the first piston rod, the sealing ring of the cylinder and the sealing ring of the piston are made of fluorine rubber.