Large-flow type double-liquid suction-back valve for dispensing double-component glue

Abstract

The utility model relates to a large-flow type double-liquid back suction valve for dispensing double-component glue, which belongs to the technical field of double-liquid back suction valves and comprises a double-liquid back suction valve body and a fixing plate, a connecting mechanism is arranged between the double-liquid back suction valve body and the fixing plate and comprises a connecting strip fixedly mounted on the back of the double-liquid back suction valve body, and the connecting strip is fixedly connected with the fixing plate. And a clamping plate is fixedly mounted on the lower surface of the connecting strip. According to the high-flow type double-liquid back-suction valve for dispensing the double-component glue, the connecting mechanism is arranged between the double-liquid back-suction valve body and the fixing plate, connection and disconnection of the fixing plate and the double-liquid back-suction valve body can be achieved, the fixing plate can be independently installed in the installation process, then the double-liquid back-suction valve body is connected to the fixing plate, and therefore the double-component glue is dispensed. The installation convenience of the double-liquid back-suction valve body and the fixing plate can be improved, meanwhile, due to the detachable design, the double-liquid back-suction valve body can be conveniently installed and detached in the later period, and later maintenance of the double-liquid back-suction valve body is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to two liquid back suction valve technical field, concretely is a kind of two-component glue dispensing's large-flow type two liquid back suction valve. BACKGROUND

[0002] Two liquid back suction valve is a kind of equipment for accurately controlling the mixing and dispensing of two liquids (usually glue or adhesive), and the basic working principle of two liquid back suction valve is to realize accurate dispensing by controlling the flow and mixing of two liquids. The valve is usually composed of two independent cavities, each cavity contains one liquid, and by controlling the opening and closing of the valve, the mixing and back suction of the liquid can be realized.

[0003] Publication No. CN217857034U discloses a two-component glue dispensing two liquid back suction valve, comprising a pneumatic cylinder dispensing valve, a housing, a fixed block, a stroke adjusting screw and a glue outlet nozzle, two pneumatic cylinder dispensing valves are vertically arranged side by side in the housing, the fixed block is arranged on the back of the housing through the installation plate bending, two stroke adjusting screws are arranged at the upper end of the housing and connected with the pneumatic cylinder dispensing valves respectively, and the glue outlet nozzle is arranged at the middle position of the lower part of the housing and connected with the pneumatic cylinder dispensing valves respectively. Through the above mode, the utility model improves the deficiency of single valve single glue, is suitable for AB glue, automatic mixing and quantitative dispensing of two-component glue, makes the glue output stable, the proportion accurate and the mixing uniform, simultaneously adopts the glue closing structure of back suction valve upward movement, makes the glue stop instantaneously, reduces the residual glue, and makes the dispensing not produce dripping, wire drawing and other phenomena.

[0004] The above-mentioned patent improves the shortcomings of the existing technology, i.e. the dispensing valve usually adopts a single valve for single glue use, and when AB glue and two-component glue are needed, the two liquids are mixed together by hand according to the proportion, which is easy to cause loss during mixing, greatly wastes raw materials, and has low efficiency. However, the distance between the fixed block and the valve body in the patent technical solution is small, which causes small operation space during installation, thus easily affecting the installation efficiency of the valve body. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a two-component glue dispensing large-flow type two liquid back suction valve, which has the advantage of high installation efficiency, and solves the problem of small distance between the fixed block and the valve body of the existing two liquid back suction valve, which causes small operation space during installation, thus easily affecting the installation efficiency of the valve body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a two-component glue dispensing large-flow type two liquid back suction valve, comprising a two liquid back suction valve body and a fixed plate, a connecting mechanism is arranged between the two liquid back suction valve body and the fixed plate;

[0007] The connecting mechanism comprises a connecting strip fixedly installed on the back of the double-liquid return valve body, a clamping plate fixedly installed on the lower surface of the connecting strip, a fixed groove formed on the surface of the side of the clamping plate away from the back of the double-liquid return valve body, a locking plate fixedly installed on the top and bottom of the fixed plate, a clamping groove formed on the surface of the locking plate, an installation cavity formed in the locking plate, a top spring fixedly installed in the installation cavity, a top block fixedly installed on one end of the top spring, a clamping block fixedly installed on the surface of the side of the top block away from the top spring and penetrating into the clamping groove, and a limiting groove formed on the opposite surface of the clamping groove, and limiting strips fixedly installed on the opposite surfaces of the clamping plate.

[0008] Further, the length of the connecting strip is the same as the width of the locking plate, and the outer width of the clamping plate is adapted to the inner width of the clamping groove.

[0009] The above-mentioned further scheme has the beneficial effect that the clamping plate can be clamped into the clamping groove.

[0010] Further, the clamping block is adapted to the fixed groove, and the side surface of the clamping block is a bevel surface.

[0011] The above-mentioned further scheme has the beneficial effect that the clamping block can be smoothly clamped into the fixed groove.

[0012] Further, a plurality of fixed holes are formed on the surface of the fixed plate, and the plurality of fixed holes are uniformly distributed on the surface of the fixed plate.

[0013] The above-mentioned further scheme has the beneficial effect that the fixed plate can be installed at a specified position.

[0014] Further, the top block is adapted to the installation cavity, and the outer surface of the top block is in sliding contact with the inner surface of the installation cavity.

[0015] The above-mentioned further scheme has the beneficial effect that the top block can move in the installation cavity.

[0016] Further, a moving plate is slidingly installed between the opposite side surfaces of the two locking plates, a connecting block penetrating into the installation cavity and fixedly connected with the top block is fixedly installed on the surface of the moving plate, a strip-shaped hole communicating with the installation cavity is formed on the surface of the locking plate, and the connecting block is located in the strip-shaped hole.

[0017] The above-mentioned further scheme has the beneficial effect that the top block can be moved through the moving plate and the connecting block, and the clamping block can be extended and retracted.

[0018] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0019] The large-flow type two-liquid back-suction valve for dispensing two-component glue is provided with a connecting mechanism between the two-liquid back-suction valve body and the fixed plate, so that the connection and disassembly of the fixed plate and the two-liquid back-suction valve body can be realized, the fixed plate can be installed separately during installation, and then the two-liquid back-suction valve body is connected to the fixed plate, so that the installation convenience of the two-liquid back-suction valve body and the fixed plate can be improved, and the detachable design facilitates the installation and disassembly of the two-liquid back-suction valve body in the later period, facilitates the later maintenance of the two-liquid back-suction valve body, and solves the problem that the spacing between the existing two-liquid back-suction valve fixed block and the valve body is small, so that the operation space is small during installation, and therefore the installation efficiency of the valve body is easily affected. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a schematic diagram of the two-liquid back-suction valve body of the utility model structure;

[0021] Fig. 2 It is a schematic diagram of the fixed plate and the locking plate of the utility model structure;

[0022] Fig. 3 It is a schematic diagram of the clamping plate of the utility model structure;

[0023] Fig. 4 It is a schematic diagram of the surface of the fixed plate and the locking plate of the utility model structure.

[0024] In the figure: 1, two-liquid back-suction valve body; 2, fixed plate; 3, connecting strip; 4, clamping plate; 5, fixed groove; 6, locking plate; 7, clamping groove; 8, installation cavity; 9, top spring; 10, top block; 11, clamping block; 12, fixed hole; 13, moving plate; 14, connecting block; 15, strip-shaped hole; 16, limiting groove; 17, limiting strip. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figs. 1 to 4The large-flow type two-liquid back-suction valve for dispensing two-component glue in the embodiment comprises a two-liquid back-suction valve body 1 and a fixed plate 2, a plurality of fixed holes 12 are formed on the surface of the fixed plate 2, the plurality of fixed holes 12 are uniformly distributed on the surface of the fixed plate 2, the fixed plate 2 is convenient to install at a specified position, a connecting mechanism is arranged between the two-liquid back-suction valve body 1 and the fixed plate 2, the connecting mechanism comprises a connecting strip 3 fixedly installed on the back surface of the two-liquid back-suction valve body 1, a clamping plate 4 is fixedly installed on the lower surface of the connecting strip 3, a fixed groove 5 is formed on the surface of the side of the clamping plate 4 away from the back surface of the two-liquid back-suction valve body 1, a locking plate 6 is fixedly installed on the top and the bottom of the fixed plate 2, a clamping groove 7 is formed on the surface of the locking plate 6, the length of the connecting strip 3 is the same as the width of the locking plate 6, the outer width of the clamping plate 4 is matched with the inner width of the clamping groove 7, the clamping plate 4 can be clamped into the clamping groove 7, an installation cavity 8 is formed in the locking plate 6, a top spring 9 is fixedly installed in the installation cavity 8, a top block 10 is fixedly installed on one end of the top spring 9, the top block 10 is matched with the installation cavity 8, the outer surface of the top block 10 is in sliding contact with the inner surface of the installation cavity 8, the top block 10 is convenient to move in the installation cavity 8, a clamping block 11 is fixedly installed on the surface of the side of the top block 10 away from the top spring 9 and penetrates into the clamping groove 5, the clamping block 11 is matched with the fixed groove 5, the surface of one side of the clamping block 11 is a bevel, the clamping block 11 is convenient to smoothly clamp into the fixed groove 5, a limiting groove 16 is formed on the opposite surface of the clamping groove 7, limiting strips 17 are fixedly installed on the opposite surface of the clamping plate 4.

[0027] A moving plate 13 is slidingly installed between the opposite surfaces of the two locking plates 6, a connecting block 14 is fixedly installed on the surface of the moving plate 13 and penetrates into the installation cavity 8 and is fixedly connected with the top block 10, a strip-shaped hole 15 is formed on the surface of the locking plate 6 and is in communication with the installation cavity 8, the connecting block 14 is located in the strip-shaped hole 15, the top block 10 is convenient to move through the moving plate 13 and the connecting block 14, and the extension and retraction of the clamping block 11 is convenient to realize.

[0028] The working principle of the above embodiment is as follows:

[0029] In use, the fixed plate 2 is fixedly installed at a specified position through the fixed holes 12, the clamping plate 4 is clamped into the clamping groove 7, the limiting strips 17 are clamped into the limiting grooves 16, the clamping block 11 is clamped into the fixed groove 5, and the connection of the fixed plate 2 and the two-liquid back-suction valve body 1 is completed, when disassembling, the top block 10 and the clamping block 11 are moved through the moving plate 13 and the connecting block 14, the clamping block 11 is separated from the fixed groove 5, and the two-liquid back-suction valve body 1 is taken off from the locking plate 6.

[0030] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0031] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A large-flow type two-liquid back-suction valve for dispensing two-component glue, comprising a two-liquid back-suction valve body (1) and a fixing plate (2), characterized in that: The connecting mechanism is arranged between the double-liquid back-suction valve body (1) and the fixing plate (2); The connecting mechanism comprises a connecting strip (3) fixedly installed on the back of the double-liquid back-suction valve body (1), a clamping plate (4) fixedly installed on the lower surface of the connecting strip (3), a fixing groove (5) formed on the surface of the clamping plate (4) away from the back of the double-liquid back-suction valve body (1), a locking plate (6) fixedly installed on the top and the bottom of the fixing plate (2), a clamping groove (7) formed on the surface of the locking plate (6), an installation cavity (8) formed in the locking plate (6), a top spring (9) fixedly installed in the installation cavity (8), a top block (10) fixedly installed on one end of the top spring (9), a clamping block (11) fixedly installed on the surface of the top block (10) away from the top spring (9) and penetrating into the clamping groove (7), a limiting groove (16) formed on the opposite surface of the clamping groove (7), and a limiting strip (17) fixedly installed on the opposite surface of the clamping plate (4).

2. The large flow type two-liquid back-suction valve for dispensing two-component glue according to claim 1, characterized in that: The length of the connecting strip (3) is the same as the width of the locking plate (6), and the external width of the clamping plate (4) is adapted to the internal width of the clamping groove (7).

3. The large flow type two-liquid back-suction valve for dispensing two-component glue according to claim 1, characterized in that: The clamping block (11) is adapted to the fixing groove (5), and the surface of the clamping block (11) is inclined.

4. The large flow type two-liquid back-suction valve for dispensing two-component glue according to claim 1, characterized in that: A plurality of fixing holes (12) are formed on the surface of the fixing plate (2), and the fixing holes (12) are uniformly distributed on the surface of the fixing plate (2).

5. The large flow type two-liquid back-suction valve for dispensing two-component glue according to claim 1, characterized in that: The top block (10) is adapted to the installation cavity (8), and the outer surface of the top block (10) is in sliding contact with the inner surface of the installation cavity (8).

6. The large flow type two-liquid back-suction valve for dispensing two-component glue according to claim 1, characterized in that: A moving plate (13) is slidingly installed between the opposite surfaces of the two locking plates (6), a connecting block (14) is fixedly installed on the surface of the moving plate (13) and penetrating into the installation cavity (8) and fixedly connected with the top block (10), a strip-shaped hole (15) is formed on the surface of the locking plate (6) and connected with the installation cavity (8), and the connecting block (14) is located in the strip-shaped hole (15).

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