A precision fluid control single-fluid screw valve

Abstract

This utility model discloses a precision fluid control single-liquid screw valve, which includes a dispensing valve body; a motor is mounted on top of the dispensing valve body, and a transmission screw is fixedly connected to the motor output end; a first dispensing head is mounted at the bottom of the dispensing valve body, and a connecting assembly is mounted on one side of the dispensing valve body; a connecting pipe is mounted at the bottom of the connecting assembly, and a second dispensing head is connected to the bottom of the connecting pipe; both the first and second dispensing heads are equipped with heating heads, and electric heating wires are mounted on the outside of the heating heads; a glue inlet pipe is connected to one side of the dispensing valve body; and the connecting assembly includes a first pipe connected to one side of the dispensing valve body. This utility model solves the problem that existing single-liquid screw valves are not convenient for quick switching of dispensing heads, cannot achieve rapid adjustment and control of glue, and have many types of dispensing heads, often requiring switching of dispensing heads according to different positions to achieve precise glue control during dispensing.

Description

Technical Field

[0001] This utility model relates to the field of single-liquid screw valve technology, specifically a precision fluid control single-liquid screw valve. Background Technology

[0002] Dispensing, also known as gluing, coating, potting, or dripping, is a process in which electronic adhesives, oils, or other liquids are applied, potted, or dripped onto products to achieve functions such as adhesion, encapsulation, insulation, fixation, and surface smoothing. With the increasing maturity of automatic dispensing technology, the precision requirements for dispensing processes are becoming increasingly stringent, especially for dispensing high-viscosity fluids and fluids containing small solid particles. For such fluids, the precision requirements for screw dispensing valves are becoming increasingly stringent. Existing single-liquid screw valves generally consist of a motor, motor base, screw, stator, and dispensing head. During operation, the motor rotates, driving the screw to rotate. The fluid flows downwards along the screw groove as it rotates, accumulating pressure at the outlet and being expelled through the needle at the outlet.

[0003] Most single-liquid screw valves are characterized by precise control of fluid flow. However, during use, it has been found that it is not convenient to quickly switch the dispensing head, and it is impossible to quickly adjust the dispensing control. There are many types of dispensing heads, and when dispensing, it is often necessary to switch the dispensing head according to different positions to achieve precise dispensing control. However, the method of removing the original dispensing head and installing a new one is not convenient. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of this section, the abstract and the title of this utility model. Such simplifications or omissions shall not be used to limit the scope of this utility model.

[0005] In view of the problems existing in the above and / or prior art, the present invention is proposed.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A precision fluid control single-liquid screw valve includes a dispensing valve body; a motor is disposed above the dispensing valve body, and a transmission screw is fixedly connected to the output end of the motor.

[0008] The bottom of the dispensing valve body is provided with a first dispensing head, and a connecting component is provided on one side of the dispensing valve body.

[0009] The bottom of the connecting assembly is provided with a connecting pipe, and the bottom of the connecting pipe is connected to a second dispensing head. Both the first dispensing head and the second dispensing head are equipped with heating heads, and electric heating wires are provided on the outside of the heating heads. A glue inlet pipe is connected to one side of the dispensing valve body.

[0010] Furthermore: the connecting assembly includes a first pipe connected to one side of the dispensing valve body, a first mounting plate fixedly connected to one end of the first pipe, a second mounting plate bolted to one side of the first mounting plate, a second pipe fixedly connected to one side of the second mounting plate, the bottom of the second pipe communicating with the top of the connecting pipe, a sealing ring provided between the first mounting plate and the second mounting plate, and control valves provided inside both the first dispensing head and the first pipe.

[0011] Furthermore, a support rod is fixedly connected to the top of the dispensing valve body, and the number of the support rods is set to four.

[0012] Furthermore: a fixing plate is fixedly connected to the top of the support rod, and the motor is mounted on the top of the fixing plate by bolts.

[0013] Furthermore: A pair of fixing discs are provided on one side of the dispensing valve body, and multiple fixing bolts are screwed into the fixing discs. The fixing discs are fixedly installed on one side of the dispensing valve body by the fixing bolts.

[0014] Furthermore: a fixing rod is fixedly connected to one side of the fixing plate, and a mounting plate is fixedly connected to one end of the fixing rod. The mounting plate has multiple mounting holes inside.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] The adhesive enters the dispensing valve body through the inlet tube. The dispensing valve body delivers the adhesive to the first dispensing head for dispensing. The second dispensing head is connected to the dispensing valve body through a connecting tube and connecting assembly, allowing free switching between the first and second dispensing heads without the need to disassemble or replace the first dispensing head. Heating heads located outside the first and second dispensing heads are heated by electric heating wires, increasing the internal temperature of the first and second dispensing heads. Even with long dispensing intervals, there will be no increase in resistance due to the internal adhesive cooling, nor will there be any blockage. This ensures good dispensing accuracy and smooth dispensing from both the first and second dispensing heads.

[0017] Other features and advantages of this application will be set forth in the following description and will be apparent in part from the description or may be learned by practicing the application. The objectives and other advantages of this application may be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings.

[0018] The technical solution of this application will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the connecting component of this utility model;

[0022] Figure 3 This is a schematic diagram of the mounting plate of this utility model.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1. Dispensing valve body; 2. First dispensing head; 3. Connecting assembly; 31. First pipe; 32. First mounting plate; 33. Second mounting plate; 34. Second pipe; 35. Sealing ring; 36. Control valve; 4. Connecting pipe; 5. Second dispensing head; 6. Heating head; 7. Inlet pipe; 8. Motor; 9. Transmission screw; 10. Support rod; 11. Fixing plate; 12. Fixing plate; 13. Fixing bolt; 14. Fixing rod; 15. Mounting plate; 16. Mounting hole. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0028] Furthermore, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0029] Please see Figures 1-3 As shown in the figure, the present invention provides a precision fluid control single-liquid screw valve, including a dispensing valve body 1; a motor 8 is provided above the dispensing valve body 1, and a transmission screw 9 is fixedly connected to the output end of the motor 8; the motor 8 drives the transmission screw 9 to rotate, thereby controlling the dispensing valve body 1 to dispense glue.

[0030] The dispensing valve body 1 has a first dispensing head 2 at its bottom and a connecting component 3 on one side of its side.

[0031] The bottom of the connecting component 3 is provided with a connecting pipe 4, and the bottom of the connecting pipe 4 is connected to a second dispensing head 5. Both the first dispensing head 2 and the second dispensing head 5 are equipped with heating heads 6. The heating heads 6 are provided with electric heating wires. The dispensing valve body 1 is connected to a glue inlet pipe 7 on one side.

[0032] The glue enters the dispensing valve body 1 through the glue inlet tube 7. The dispensing valve body 1 delivers the glue to the first dispensing head 2 for dispensing. The second dispensing head 5 is connected to the dispensing valve body 1 through the connecting tube 4 and the connecting assembly 3, allowing the first dispensing head 2 and the second dispensing head 5 to be switched freely without the need to disassemble or replace the first dispensing head 2. The heating head 6, which is set outside the first dispensing head 2 and the second dispensing head 5, is heated by an electric heating wire to increase the internal temperature of the first dispensing head 2 and the second dispensing head 5. When the dispensing interval is long, the resistance will not increase due to the cooling of the glue inside, and there will be no blockage. This ensures that the dispensing accuracy of the first dispensing head 2 and the second dispensing head 5 is good and the dispensing is smooth.

[0033] Preferably, the connecting component 3 includes a first pipe 31 connected to one side of the dispensing valve body 1, a first mounting plate 32 fixedly connected to one end of the first pipe 31, a second mounting plate 33 bolted to one side of the first mounting plate 32, a second pipe 34 fixedly connected to one side of the second mounting plate 33, the bottom of the second pipe 34 connected to the top of the connecting pipe 4, a sealing ring 35 provided between the first mounting plate 32 and the second mounting plate 33, and control valves 36 provided inside both the first dispensing head 2 and the first pipe 31.

[0034] The second pipe 34 is bolted to the first mounting plate 32 at one end of the first pipe 31 via the second mounting plate 33 at one end, so that the connecting pipe 4 and the second dispensing head 5 are connected to the dispensing valve body 1, and the second dispensing head 5 can be installed and replaced. The first dispensing head 2 and the first pipe 31 are opened and closed by the control valve 36, so as to achieve the effect of quickly switching between the first dispensing head 2 and the second dispensing head 5.

[0035] Preferably, a support rod 10 is fixedly connected to the top of the dispensing valve body 1, and the number of support rods 10 is set to four.

[0036] A fixing plate 11 is fixedly connected to the top of the support rod 10, and the motor 8 is installed on the top of the fixing plate 11 by bolts.

[0037] The support rod 10 supports and fixes the fixing plate 11, and the fixing plate 11 supports and fixes the motor 8.

[0038] Preferably, a pair of fixing discs 12 are provided on one side of the dispensing valve body 1, and multiple fixing bolts 13 are screwed into the inside of the fixing discs 12. The fixing discs 12 are fixedly installed on one side of the dispensing valve body 1 by the fixing bolts 13.

[0039] A fixing rod 14 is fixedly connected to one side of the fixing plate 12, and a mounting plate 15 is fixedly connected to one end of the fixing rod 14. The mounting plate 15 has multiple mounting holes 16 inside.

[0040] The fixing plate 12 is fixedly installed on one side of the dispensing valve body 1 by fixing bolts 13, which supports and fixes the fixing rod 14 and the mounting plate 15. The mounting plate 15 is installed in the designated position through the mounting hole 16 to support and fix the dispensing valve body 1.

[0041] The working principle of this utility model is as follows: Glue enters the dispensing valve body 1 through the glue inlet pipe 7. The dispensing valve body 1 delivers the glue to the first dispensing head 2 for dispensing. The second pipe 34 is bolted to the first mounting plate 32 at one end of the first pipe 31 through the second mounting plate 33 at one end, realizing the connection between the connecting pipe 4 and the second dispensing head 5 and the dispensing valve body 1, and facilitating the installation and replacement of the second dispensing head 5. The first dispensing head 2 and the first pipe 31 are opened and closed by the control valve 36, realizing the effect of quickly switching between the first dispensing head 2 and the second dispensing head 5. The heating head 6 set outside the first dispensing head 2 and the second dispensing head 5 is heated by the electric heating wire to increase the internal temperature of the first dispensing head 2 and the second dispensing head 5. When the dispensing time interval is long, the resistance will not increase due to the cooling of the glue inside, and there will be no blockage. This ensures that the dispensing accuracy of the first dispensing head 2 and the second dispensing head 5 is good and the dispensing is smooth.

[0042] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A precision fluid control single-liquid screw valve, characterized in that, Includes a dispensing valve body (1); a motor (8) is provided above the dispensing valve body (1), and a transmission screw (9) is fixedly connected to the output end of the motor (8); The dispensing valve body (1) is provided with a first dispensing head (2) at the bottom, and a connecting component (3) is provided on one side of the dispensing valve body (1); The bottom of the connecting component (3) is provided with a connecting pipe (4), and the bottom of the connecting pipe (4) is connected to a second dispensing head (5). Both the first dispensing head (2) and the second dispensing head (5) are equipped with heating heads (6), and the heating heads (6) are equipped with electric heating wires. The dispensing valve body (1) is connected to a glue inlet pipe (7) on one side.

2. The precision fluid control single-liquid screw valve according to claim 1, characterized in that: The connecting assembly (3) includes a first pipe (31) connected to one side of the dispensing valve body (1), a first mounting plate (32) is fixedly connected to one end of the first pipe (31), a second mounting plate (33) is bolted to one side of the first mounting plate (32), a second pipe (34) is fixedly connected to one side of the second mounting plate (33), the bottom of the second pipe (34) is connected to the top of the connecting pipe (4), a sealing ring (35) is provided between the first mounting plate (32) and the second mounting plate (33), and a control valve (36) is provided inside both the first dispensing head (2) and the first pipe (31).

3. The precision fluid control single-liquid screw valve according to claim 1, characterized in that: The top of the dispensing valve body (1) is fixedly connected to a support rod (10), and the number of the support rods (10) is set to four.

4. A precision fluid control single-liquid screw valve according to claim 3, characterized in that: The top of the support rod (10) is fixedly connected to a fixing plate (11), and the motor (8) is installed on the top of the fixing plate (11) by bolts.

5. A precision fluid control single-liquid screw valve according to claim 1, characterized in that: A pair of fixing discs (12) are provided on one side of the dispensing valve body (1). Multiple fixing bolts (13) are screwed into the inside of the fixing discs (12). The fixing discs (12) are fixedly installed on one side of the dispensing valve body (1) by the fixing bolts (13).

6. A precision fluid control single-liquid screw valve according to claim 5, characterized in that: A fixing rod (14) is fixedly connected to one side of the fixing plate (12), and a mounting plate (15) is fixedly connected to one end of the fixing rod (14). The mounting plate (15) has multiple mounting holes (16) inside.

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