Micro-quantitative dispensing valve

Abstract

The utility model discloses a kind of trace quantitative dispensing valve, belong to the technical field of dispensing, including dispensing shell, the side of dispensing shell is equipped with opening and closing door subassembly, the below of dispensing shell is provided with dispensing head body, dispensing shell and dispensing head body are connected by connecting component, the outside position of dispensing shell is equipped with adjust capacity heating device, the outside of dispensing head body is provided with auxiliary sealing device;The utility model passes through setting adjust capacity heating device, so that staff can cooperate the structure such as screw rod and moving cylinder to adjust glue capacity when needing, to better meet the work needs in different situations, and staff can cooperate the structure such as electric heating rod and heat-conducting copper shell to heat glue when needing, to reduce the possibility that dispensing valve is blocked due to glue solidification, to further improve the work capacity of dispensing valve.

Description

Technical Field

[0001] This utility model belongs to the field of dispensing technology, specifically relating to a micro-quantitative dispensing valve. Background Technology

[0002] Dispensing, also known as gluing, coating, potting, or dripping, is a process that involves applying, potting, or dripping electronic adhesives, oils, or other liquids onto a product to achieve functions such as adhesion, encapsulation, insulation, fixation, and surface smoothing. Dispensing has a wide range of applications, from large-scale production like airplanes and ships to small-scale manufacturing like clothing and toys. In short, wherever adhesive is used, dispensing services are needed.

[0003] Existing micro-dispensing valves cannot adjust the glue volume when needed and are prone to clogging due to glue solidification, thus reducing the valve's working capacity. Furthermore, they cannot seal the dispensing head when not in use, increasing the possibility of external impurities clogging the dispensing head and further reducing the valve's practicality. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a micro-dispensing valve with high working capacity and strong practicality.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a micro-quantitative dispensing valve, comprising a dispensing housing, an opening and closing door assembly installed on one side of the dispensing housing, a dispensing head body disposed below the dispensing housing, the dispensing housing and the dispensing head body being connected by a connecting assembly, a capacity adjustment heating device installed on the outer side of the dispensing housing, and an auxiliary sealing device disposed on the outer side of the dispensing head body. The adjustable heating device includes a vertical plate. The vertical plate is fixedly installed above the dispensing housing. A movable plate is provided on the side of the dispensing housing away from the closing door assembly. A screw is installed on one side of the movable plate and inside the vertical plate via a bearing. A movable cylinder is fixedly installed on one side of the movable plate and inside the dispensing housing. A heating component is installed near the center of the movable plate.

[0006] Preferably, a sealing ring is fixedly installed on one side of the dispensing housing near the edge and on the outside of the moving cylinder.

[0007] Preferably, the heating assembly includes a heat-conducting copper shell, the inner side of the movable cylinder is provided with a heat-conducting copper shell, a plurality of heating rods are fixedly installed on the inner side of the heat-conducting copper shell, and a battery is provided on the side of the movable plate away from the movable cylinder.

[0008] Preferably, the thermally conductive copper shell, the battery, and the movable plate are connected by an electric telescopic rod.

[0009] Preferably, the auxiliary sealing device includes a connecting sleeve, with connecting sleeves fixedly installed on both sides of the connecting component, a connecting block provided on the inner side of the connecting sleeve, the connecting sleeve and the connecting block being connected by a spring pin, a connecting rod fixedly installed below the connecting block, and a sealing plate fixedly installed below the two connecting rods.

[0010] Preferably, the inner side of the connecting sleeve and the outer side of the connecting block are fitted together.

[0011] Preferably, an elastic rubber pad is fixedly installed above the sealing plate and below the dispensing head body.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model, by setting up a capacity-adjusting heating device, allows the operator to adjust the glue capacity when needed through the cooperation of the screw and moving cylinder, thereby better meeting the work needs in different situations. Furthermore, the operator can heat the glue when needed through the cooperation of the heating rod and the heat-conducting copper shell, thereby reducing the possibility of blockage of the dispensing valve due to glue solidification and improving the working capacity of the dispensing valve.

[0013] 2. By setting up an auxiliary sealing device, this utility model enables the operator to seal the dispensing head body through the cooperation of the spring pin and sealing plate when not working, thereby reducing the possibility of external impurities clogging the dispensing head body and improving the practicality of the dispensing valve. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a three-dimensional sectional view of the present invention; Figure 3 This is a three-dimensional sectional view of the capacity-adjusting heating device of this utility model; Figure 4 This is a three-dimensional sectional view of the auxiliary sealing device of this utility model.

[0015] In the diagram: 1. Dispensing housing; 2. Adjustable heating device; 21. Vertical plate; 22. Moving plate; 23. Sealing ring; 24. Heating assembly; 241. Battery; 242. Electric telescopic rod; 243. Heating rod; 244. Thermally conductive copper shell; 25. Moving cylinder; 26. Screw; 3. Opening and closing door assembly; 4. Dispensing head body; 5. Connecting assembly; 6. Auxiliary sealing device; 61. Connecting sleeve; 62. Connecting block; 63. Spring pin; 64. Connecting rod; 65. Sealing plate; 66. Elastic rubber pad. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example 1 Please see Figure 1-4 The present invention provides the following technical solution: a micro-quantitative dispensing valve, including a dispensing shell 1, an opening and closing door assembly 3 installed on one side of the dispensing shell 1, a dispensing head body 4 provided below the dispensing shell 1, the dispensing shell 1 and the dispensing head body 4 being connected by a connecting assembly 5, a capacity adjustment heating device 2 installed on the outer side of the dispensing shell 1, and an auxiliary sealing device 6 provided on the outer side of the dispensing head body 4. The adjustable heating device 2 includes a vertical plate 21. The vertical plate 21 is fixedly installed on the top of the dispensing housing 1. A movable plate 22 is provided on the side of the dispensing housing 1 away from the closing door assembly 3. A screw 26 is installed on one side of the movable plate 22 and inside the vertical plate 21 via a bearing. A movable cylinder 25 is fixedly installed on one side of the movable plate 22 and inside the dispensing housing 1. A heating component 24 is installed near the center of the movable plate 22.

[0018] Specifically, a sealing ring 23 is fixedly installed on one side of the dispensing housing 1 near the edge and on the outside of the moving cylinder 25.

[0019] By adopting the above technical solution, the dispensing valve can prevent gaps between the dispensing housing 1 and the moving cylinder 25 through the sealing ring 23, thereby reducing the possibility of accidental glue leakage and better meeting the needs of the work.

[0020] Specifically, the heating component 24 includes a heat-conducting copper shell 244, the inner side of the moving cylinder 25 is provided with a heat-conducting copper shell 244, a plurality of electric heating rods 243 are fixedly installed on the inner side of the heat-conducting copper shell 244, and a battery 241 is provided on the side of the moving plate 22 away from the moving cylinder 25.

[0021] By adopting the above technical solution, staff can heat the glue when needed through the combination of the electric heating rod 243 and the heat-conducting copper shell 244, thereby reducing the possibility of blockage of the dispensing valve due to glue solidification.

[0022] Specifically, the thermally conductive copper shell 244, the battery 241, and the movable plate 22 are connected by an electric telescopic rod 242.

[0023] By adopting the above technical solution, the staff can move the heat-conducting copper shell 244 when needed, thereby preventing the phenomenon that the heating rod 243 cannot heat the glue in the dispensing shell 1 after the moving cylinder 25 moves.

[0024] In this embodiment, when the dispensing valve is needed, the operator installs the dispensing valve in the working position, and then rotates the screw 26 in the adjusting heating device 2. The screw 26 is threadedly connected to the vertical plate 21, and the screw 26 is bearing-connected to the moving plate 22. The moving cylinder 25 on the moving plate 22 is in contact with the inner side of the sealing ring 23. Therefore, the screw 26 drives the moving plate 22 and the moving cylinder 25 to move, thereby adjusting the overall capacity of the dispensing housing 1 and the moving cylinder 25, delivering the glue, and activating the heat-conducting copper in the heating assembly 24. The heating rods 243 inside the shell 244 heat the glue to prevent it from solidifying. The operator can activate the electric telescopic rod 242 to move the heat-conducting copper shell 244 and the heating rods 243 inside it back and forth to expand the heating range. Then the operator can apply a small amount of glue through the dispensing head body 4. The connecting component 5 serves as a connection, and the opening and closing door component 3 facilitates the operator to open or close the dispensing shell 1. The electric telescopic rod 242 and the heating rods 243 are electrically connected to the battery 241.

[0025] Example 2 The difference between this embodiment and embodiment 1 is that the auxiliary sealing device 6 includes a connecting sleeve 61, and connecting sleeves 61 are fixedly installed on both sides of the connecting component 5. A connecting block 62 is provided on the inner side of the connecting sleeve 61. The connecting sleeve 61 and the connecting block 62 are connected by a spring pin 63. A connecting rod 64 is fixedly installed below the connecting block 62, and a sealing plate 65 is fixedly installed below the two connecting rods 64.

[0026] By adopting the above technical solution, the staff can seal the dispensing head body 4 with the cooperation of the spring pin 63 and the sealing plate 65 when not working, thereby reducing the possibility of external impurities clogging the dispensing head body 4.

[0027] Specifically, the inner side of the connecting sleeve 61 and the outer side of the connecting block 62 are fitted together.

[0028] By adopting the above technical solution, the dispensing valve can ensure the normal fit between the connecting sleeve 61 and the connecting block 62, thereby preventing the connecting block 62 from shaking inside the connecting sleeve 61 and ensuring the normal operation of the work.

[0029] Specifically, an elastic rubber pad 66 is fixedly installed above the sealing plate 65 and below the dispensing head body 4.

[0030] By adopting the above technical solution, the dispensing valve can prevent the gap between the sealing plate 65 and the dispensing head body 4 through the elastic rubber pad 66, thereby preventing external impurities from passing through the gap and entering the interior of the dispensing head body 4.

[0031] In this embodiment, when not in use, the operator can insert the two connecting blocks 62 in the auxiliary sealing device 6 into the two connecting sleeves 61 on the connecting assembly 5, and connect the two connecting sleeves 61 to the two connecting blocks 62 through the two spring pins 63. At this time, the elastic rubber pad 66 on the sealing plate 65 is in close contact with the dispensing head body 4, thereby sealing the dispensing head body 4 and reducing the possibility of external impurities clogging the dispensing head body 4. The connecting rod 64 plays a connecting role.

[0032] The structure and principle of the dispensing housing 1, the opening and closing door assembly 3 (comprising a connecting plate, slide rod, lead screw, knob, movable sleeve, opening and closing door, and notch), the dispensing head body 4, and the connecting assembly 5 (comprising a connecting frame, limiting groove, limiting block, bolt, and threaded sleeve) of this utility model have been disclosed in a micro-quantitative dispensing valve published in CN220346374U. Its working principle is that when the internal components of the dispensing housing are damaged and require repair or replacement after a long period of time, the movable sleeve threaded onto the circumferential surface of the lead screw is moved by manually rotating the knob. The movement of the dispensing head will cause the opening and closing door, which is fixed between the two moving sleeves, to move out of the notch from the port of the dispensing housing. This makes it easier for workers to repair and replace the components inside the dispensing housing. If the dispensing head body is damaged and needs to be replaced, the threaded sleeve can be unscrewed from the circumference of the bolt by hand, the bolt can be pulled out from the limit block and the connecting frame, the limit block can be removed, and then the dispensing head body can be removed from the inner wall of the limit groove of the connecting frame. The repaired or replaced dispensing head body can then be installed back by following the above steps.

[0033] The working principle and usage process of this utility model are as follows: When the dispensing valve is needed, the operator installs the dispensing valve in the working position, and then rotates the screw 26 in the adjusting heating device 2. The screw 26 is threadedly connected to the vertical plate 21, and the screw 26 is bearing-connected to the moving plate 22. The moving cylinder 25 on the moving plate 22 is in contact with the inner side of the sealing ring 23. Therefore, the screw 26 drives the moving plate 22 and the moving cylinder 25 to move, thereby adjusting the overall capacity of the dispensing shell 1 and the moving cylinder 25, and delivering the glue. The heating components 24 activate the heating rods 243 in the heat-conducting copper shell 244 to heat the glue and prevent it from solidifying. The operator can activate the electric telescopic rod 242 to move the heat-conducting copper shell 244 and the heating rods 243 inside it back and forth. The heating range is expanded by moving the dispensing head body 4, and then the staff can perform micro-quantitative dispensing through the dispensing head body 4. The connecting component 5 serves as a connection, and the opening and closing door component 3 facilitates the staff to open or close the dispensing shell 1. The electric telescopic rod 242 and the electric heating rod 243 are both electrically connected to the battery 241. When not in operation, the staff can insert the two connecting blocks 62 in the auxiliary sealing device 6 into the two connecting sleeves 61 on the connecting component 5, and connect the two connecting sleeves 61 to the two connecting blocks 62 through the two spring pins 63. At this time, the elastic rubber pad 66 on the sealing plate 65 is in close contact with the dispensing head body 4, thereby sealing the dispensing head body 4 and reducing the possibility of external impurities clogging the dispensing head body 4. The connecting rod 64 serves as a connection.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A micro-dispensing valve, comprising a dispensing housing (1), wherein an opening and closing door assembly (3) is installed on one side of the dispensing housing (1), and a dispensing head body (4) is disposed below the dispensing housing (1), and the dispensing housing (1) and the dispensing head body (4) are connected by a connecting assembly (5), characterized in that: A volume adjustment heating device (2) is installed on the outer side of the dispensing shell (1), and an auxiliary sealing device (6) is provided on the outer side of the dispensing head body (4). The adjustable heating device (2) includes a vertical plate (21). The vertical plate (21) is fixedly installed above the dispensing shell (1). A movable plate (22) is provided on the side of the dispensing shell (1) away from the closing assembly (3). A screw (26) is installed on one side of the movable plate (22) and inside the vertical plate (21) via a bearing. A movable cylinder (25) is fixedly installed on one side of the movable plate (22) and inside the dispensing shell (1). A heating component (24) is installed near the center of the movable plate (22).

2. The micro-dispensing valve according to claim 1, characterized in that: A sealing ring (23) is fixedly installed on one side of the dispensing shell (1) near the edge and outside the moving cylinder (25).

3. The micro-dispensing valve according to claim 1, characterized in that: The heating assembly (24) includes a heat-conducting copper shell (244), the inner side of the movable cylinder (25) is provided with a heat-conducting copper shell (244), a plurality of electric heating rods (243) are fixedly installed on the inner side of the heat-conducting copper shell (244), and a battery (241) is provided on the side of the movable plate (22) away from the movable cylinder (25).

4. A micro-dispensing valve according to claim 3, characterized in that: The thermally conductive copper shell (244), the battery (241), and the movable plate (22) are connected by an electric telescopic rod (242).

5. A micro-dispensing valve according to claim 1, characterized in that: The auxiliary sealing device (6) includes a connecting sleeve (61). The connecting sleeve (61) is fixedly installed on both sides of the connecting component (5). A connecting block (62) is provided on the inner side of the connecting sleeve (61). The connecting sleeve (61) and the connecting block (62) are connected by a spring pin (63). A connecting rod (64) is fixedly installed below the connecting block (62). A sealing plate (65) is fixedly installed below the two connecting rods (64).

6. A micro-dispensing valve according to claim 5, characterized in that: The inner side of the connecting sleeve (61) and the outer side of the connecting block (62) are fitted together.

7. A micro-dispensing valve according to claim 5, characterized in that: An elastic rubber pad (66) is fixedly installed above the sealing plate (65) and below the dispensing head body (4).

Images