A nozzle of a dispensing valve of a dispensing machine

Abstract

The utility model relates to the nozzle technical field of point gum machine, specifically is a kind of nozzle of point gum machine point gum valve, including pipe seat, nozzle body is screw-engaged and installed on the outside end surface of pipe seat, and outer thread is arranged on the nozzle body periphery, conical sleeve of screw-engaged connection with outer thread is installed in nozzle body periphery sleeve, and heating wire for heating is arranged on the inner periphery of conical sleeve, heater main body electrically connected with heating wire is assembled on the outer periphery of conical sleeve, and arc block for rotating is integrally structured on the outer periphery of conical sleeve, and arc block has multiple groups;In the process of using point gum machine point gum valve nozzle, the heating wire of nozzle body and heater main body can be heated on conical sleeve, and arc block can be directly used to rotate conical sleeve and make it can be mutually screw-engaged and separated with the outer thread of nozzle body periphery, so that conical sleeve is conveniently disassembled and heater main body and heating wire on it are maintained or replaced, it is simple and convenient to operate.

Description

Technical Field

[0001] This utility model relates to the field of nozzle technology for dispensing machines, and specifically to a nozzle for a dispensing valve of a dispensing machine. Background Technology

[0002] Dispensing machines are widely used in electronics, aerospace, optics, automotive, watchmaking, jewelry, machinery, petroleum, medical, and packaging industries for precision dispensing, sealing, and bonding processes. Patent CN202323106373.0 discloses an extended piezoelectric jet valve dispensing nozzle, which uses a heater to heat the nozzle body via a connecting tube, allowing the heating wire to release heat. This facilitates smoother and faster glue flow, reducing dispensing time and improving efficiency. However, when the heating wire inside the nozzle malfunctions, the entire nozzle must be replaced, which is inconvenient. Therefore, we propose a nozzle for a dispensing valve in a dispensing machine. Utility Model Content

[0003] To address the problems in the prior art, this utility model provides a nozzle for a dispensing valve of a dispensing machine.

[0004] The technical solution adopted by this utility model to solve its technical problem is a nozzle of a dispensing valve for a dispensing machine, including a tube seat. A nozzle body is screwed onto the outer end surface of the tube seat, and an external thread is provided on the outer periphery of the nozzle body. A conical sleeve that is screwed onto the outer periphery of the nozzle body is fitted and connected to the external thread. A heating wire for heating is provided on the inner periphery of the conical sleeve. A heater body that is electrically connected to the heating wire is assembled on the outer periphery of the conical sleeve. An arc-shaped block for rotation is integrally constructed on the outer periphery of the conical sleeve, and there are multiple sets of arc-shaped blocks.

[0005] The conical sleeve has a ring groove and annular groove for limiting the position on its inner circumference. There are two sets of ring grooves. A graphite sleeve that fits into the ring groove is inserted into the inner side of the conical sleeve. The graphite sleeve is located on the inner circumference of the heating wire. A C-shaped ring that abuts against the graphite sleeve is engaged in the inner side of the annular groove.

[0006] By adopting the above technical solution, during the use of the dispensing valve nozzle of the dispensing machine, the heating wire and heater body of the nozzle body are located on the conical sleeve. The conical sleeve can be rotated directly by the arc block and can be screwed and separated from the external thread on the outer periphery of the nozzle body. This makes it easy to disassemble the conical sleeve and maintain or replace the heater body and heating wire on it. The operation is simple and convenient.

[0007] When the nozzle body is heated by the heating wire on the inner circumference of the conical sleeve, the heat generated by the heating wire can be conducted to the nozzle body through the graphite sleeve, which helps to reduce the impact of the heating wire directly heating the nozzle body, thereby enabling the nozzle body to operate more stably. At the same time, the graphite sleeve on the inner side of the conical sleeve can be removed by simply removing the C-ring on the inner side of the ring groove, and it can be separated from the ring groove, making it easy to disassemble and replace.

[0008] Specifically, the inner side of the conical sleeve is provided with a cavity for heat insulation, and the inner side of the cavity is filled with a heat insulation cotton layer for auxiliary heat insulation.

[0009] By adopting the above technical solution, the vacuum cavity inside the conical sleeve can provide a certain heat insulation performance, and the heat insulation cotton layer inside the cavity can be used to further improve the heat loss inside the conical sleeve, so that the heat can be more concentrated on the surface of the graphite sleeve and conducted to the nozzle body through the graphite sleeve.

[0010] Specifically, the nozzle body has a rotating protrusion integrally formed on its outer periphery, and there are multiple sets of protrusions. The outer periphery of the arc-shaped block is provided with an arc-shaped groove for limiting the position, and the inner side of the protrusion is fitted with an arc-shaped spring that matches the arc-shaped groove by screws.

[0011] By adopting the above technical solution, the protrusion on the outer periphery of the nozzle body makes it easier to assemble and disassemble the nozzle body and the tube seat. The arc-shaped spring inside the protrusion can easily fit with the arc-shaped groove on the outer periphery of the arc-shaped block, which can provide a certain limiting performance for the conical sleeve, so that the conical sleeve can be more stably screwed onto the outer periphery of the nozzle body.

[0012] Specifically, the outer periphery of the tube seat is equipped with a cross block for support, and there are multiple sets of cross blocks. The outer two sides of the protrusion are provided with grooves for limiting the position, and a sleeve that matches the protrusion is slidably installed on the outer periphery of the cross block. The sleeve matches the groove.

[0013] By adopting the above technical solution, the cross block on the outer periphery of the tube seat can cooperate with the protrusion on the outer periphery of the nozzle body, making it easier to disassemble and assemble the nozzle body. The slidable sleeve on the outer periphery of the cross block can easily fit with the protrusion and the groove on the outer periphery, which can provide a certain limiting performance for the nozzle body after screwing and installation, thereby improving the stability of the nozzle body after installation.

[0014] Specifically, the card sleeve and the opposite side of the protrusion are each equipped with a magnetically connected magnetic block.

[0015] By adopting the above technical solution, the magnetic block on the inner circumference of the card sleeve can be magnetically connected to the magnetic block on the outer circumference of the protrusion, which facilitates a certain limiting performance after the card sleeve and the protrusion are connected to each other.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The technical solution of this application, through the design of nozzle body, external thread, conical sleeve, heater body and heating wire, allows the heating wire and heater body of the nozzle body to be located on the conical sleeve during the use of the dispensing valve nozzle of the dispensing machine. The conical sleeve can be rotated directly by the arc block and can be screwed into and separated from the external thread on the outer periphery of the nozzle body. This makes it easy to disassemble the conical sleeve and maintain or replace the heater body and heating wire on it. The operation is simple and convenient.

[0018] 2. The technical solution of this application, through the design of the ring groove, graphite sleeve, annular groove and C-ring, allows the heat generated by the heating wire on the inner circumference of the conical sleeve to be conducted to the nozzle body through the graphite sleeve when the nozzle body is heated. This reduces the impact of the heating wire directly heating the nozzle body, thereby enabling the nozzle body to operate more stably. At the same time, the graphite sleeve on the inner side of the conical sleeve can be removed by simply removing the C-ring on the inner side of the annular groove, making it easy to separate from the ring groove and disassemble and replace. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is an isometric view of the present invention;

[0021] Figure 2 This is an exploded view of the connection structure between the nozzle body and the conical sleeve of this utility model;

[0022] Figure 3 This is a schematic plan view of the connection structure between the nozzle body and the conical sleeve of this utility model;

[0023] In the diagram: 1. Pipe seat; 2. Nozzle body; 3. External thread; 4. Conical sleeve; 5. Heater body; 6. Heating wire; 7. Ring groove; 8. Graphite sleeve; 9. Ring groove; 10. C-ring; 11. Cavity; 12. Insulation layer; 13. Protrusion; 14. Arc block; 15. Arc groove; 16. Arc spring; 17. Groove; 18. Cross block; 19. Compression sleeve; 20. Magnetic block. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] Please see Figure 1-3This utility model provides a technical solution: a nozzle for a dispensing valve of a dispensing machine, including a tube seat 1, a nozzle body 2 screwed onto the outer end surface of the tube seat 1, and an external thread 3 on the outer periphery of the nozzle body 2. A conical sleeve 4 screwed onto the outer periphery of the nozzle body 2 and connected to the external thread 3, and a heating wire 6 for heating is provided on the inner periphery of the conical sleeve 4. A heater body 5 electrically connected to the heating wire 6 is assembled on the outer periphery of the conical sleeve 4, and an arc-shaped block 14 for rotation is integrally constructed on the outer periphery of the conical sleeve 4, and there are multiple sets of arc-shaped blocks 14. A ring groove 7 and annular groove 9 for limiting are opened on the inner periphery of the conical sleeve 4, and there are two sets of ring groove 7. A graphite sleeve 8 that fits into the ring groove 7 is inserted into the inner side of the conical sleeve 4, and the graphite sleeve 8 is located on the inner periphery of the heating wire 6. A C-shaped ring 10 that abuts against the graphite sleeve 8 is engaged on the inner side of the annular groove 9.

[0026] When in use, during the dispensing valve nozzle of the dispensing machine, the heating wire 6 that can heat the nozzle body 2 and the heater body 5 are both located on the conical sleeve 4. The conical sleeve 4 can be rotated directly through the arc block 14 and can be screwed into and separated from the external thread 3 on the outer periphery of the nozzle body 2. This makes it easy to disassemble the conical sleeve 4 and maintain or replace the heater body 5 and heating wire 6 on it. The operation is simple and convenient.

[0027] When the nozzle body 2 is heated by the heating wire 6 on the inner circumference of the conical sleeve 4, the heat generated by the heating wire 6 can be conducted to the nozzle body 2 through the graphite sleeve 8, which helps to reduce the impact of the heating wire 6 directly heating the nozzle body 2, thereby enabling the nozzle body 2 to operate more stably. At the same time, the graphite sleeve 8 on the inner side of the conical sleeve 4 can be removed by simply removing the C-shaped ring 10 on the inner side of the ring groove 9, so that it can be separated from the ring groove 7, making it easy to disassemble and replace.

[0028] like Figure 3 As shown, the inner side of the conical sleeve 4 is provided with a cavity 11 for heat insulation, and the inner side of the cavity 11 is filled with a heat insulation cotton layer 12 for auxiliary heat insulation.

[0029] When in use, the vacuum cavity 11 inside the conical sleeve 4 provides a certain degree of heat insulation, and the heat insulation cotton layer 12 inside the cavity 11 can further improve the heat loss inside the conical sleeve 4, so that the heat can be more concentrated on the surface of the graphite sleeve 8 and conducted to the nozzle body 2 through the graphite sleeve 8.

[0030] like Figure 2 and Figure 3 As shown, the nozzle body 2 has a single-piece structure with a rotating protrusion 13 on its outer circumference, and there are multiple sets of protrusions 13. The outer circumference of the arc block 14 is provided with an arc groove 15 for limiting, and the inner side of the protrusion 13 is fitted with an arc spring 16 that matches the arc groove 15 by screws.

[0031] In use, the protrusion 13 on the outer periphery of the nozzle body 2 makes it easier to assemble and disassemble the nozzle body 2 and the tube seat 1. The arc-shaped spring 16 inside the protrusion 13 can easily fit with the arc-shaped groove 15 on the outer periphery of the arc-shaped block 14, which can provide a certain limiting performance for the conical sleeve 4, so that the conical sleeve 4 can be more stably screwed onto the outer periphery of the nozzle body.

[0032] like Figure 1 As shown, the outer periphery of the tube seat 1 is equipped with a cross block 18 for support, and there are multiple sets of cross blocks 18. The outer two sides of the protrusion 13 are provided with grooves 17 for limiting, and the outer periphery of the cross block 18 is slidably installed with a sleeve 19 that matches the protrusion 13. The sleeve 19 matches the groove 17.

[0033] In use, the cross block 18 on the outer periphery of the tube seat 1 can cooperate with the protrusion 13 on the outer periphery of the nozzle body 2, making it easier to disassemble and assemble the nozzle body 2. The slidable sleeve 19 on the outer periphery of the cross block 18 can easily fit with the protrusion 13 and the groove 17 on the outer periphery, which can provide a certain limiting performance for the nozzle body 2 after screwing and installation, thereby improving the stability of the nozzle body 2 after installation.

[0034] like Figure 1 As shown, the card sleeve 19 and the protrusion 13 are each equipped with a magnetically connected magnetic block 20 on their opposite sides.

[0035] When in use, the magnetic block 20 on the inner periphery of the card sleeve 19 can be magnetically connected to the magnetic block 20 on the outer periphery of the protrusion 13, so as to provide a certain limiting performance after the card sleeve 19 and the protrusion 13 are connected to each other.

[0036] The working principle and usage process of this utility model are as follows: In use, first install the corresponding structural components in suitable positions. During the use of the dispensing valve nozzle of the dispensing machine, the heating wire 6 that heats the nozzle body 2 and the heater body 5 are both located on the conical sleeve 4. The conical sleeve 4 can be directly rotated via the arc-shaped block 14, allowing it to engage and disengage with the external thread 3 on the outer circumference of the nozzle body 2. This facilitates the disassembly of the conical sleeve 4 and the maintenance or replacement of the heater body 5 and heating wire 6. The operation is simple and convenient. Simultaneously, when the nozzle body 2 is heated using the heating wire 6 on the inner circumference of the conical sleeve 4, the heat generated by the heating wire 6 can be conducted to the nozzle body 2 through the graphite sleeve 8. This design helps to reduce the impact of the heating wire 6 directly heating the nozzle body 2, thus enabling the nozzle body 2 to operate more stably. Simultaneously, by simply removing the C-ring 10 inside the annular groove 9, the graphite sleeve 8 inside the conical sleeve 4 can be pulled out and separated from the annular groove 7, facilitating its disassembly and replacement. Furthermore, the vacuum cavity 11 inside the conical sleeve 4 provides a certain degree of heat insulation, and the heat insulation cotton layer 12 inside the cavity 11 further enhances heat loss from the inside of the conical sleeve 4, allowing heat to be more concentrated on the surface of the graphite sleeve 8 and conducted to the nozzle body 2 through the graphite sleeve 8. This makes the dispensing valve nozzle of the dispensing machine more stable and convenient to use.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A nozzle for a dispensing valve of a dispensing machine, characterized in that, The device includes a tube seat (1), on which a nozzle body (2) is screwed onto the outer end surface. The nozzle body (2) has an external thread (3) on its outer periphery. A conical sleeve (4) is fitted onto the outer periphery of the nozzle body (2) and screwed onto the external thread (3). A heating wire (6) for heating is provided on the inner periphery of the conical sleeve (4). A heater body (5) electrically connected to the heating wire (6) is assembled on the outer periphery of the conical sleeve (4). An arc-shaped block (14) for rotation is integrally constructed on the outer periphery of the conical sleeve (4), and there are multiple sets of arc-shaped blocks (14). The conical sleeve (4) has a ring groove (7) and annular groove (9) for limiting the position on its inner circumference. There are two sets of ring grooves (7). A graphite sleeve (8) that fits into the ring groove (7) is inserted into the inner side of the conical sleeve (4). The graphite sleeve (8) is located on the inner circumference of the heating wire (6). A C-shaped ring (10) that abuts against the graphite sleeve (8) is snapped into the inner side of the annular groove (9).

2. The nozzle of the dispensing valve for a dispensing machine according to claim 1, characterized in that, The conical sleeve (4) has a cavity (11) for heat insulation on its inner side, and the cavity (11) is filled with a heat insulation cotton layer (12) for auxiliary heat insulation.

3. The nozzle of the dispensing valve for a dispensing machine according to claim 1, characterized in that, The nozzle body (2) has a rotating protrusion (13) integrally constructed on its outer circumference, and there are multiple sets of protrusions (13). The outer circumference of the arc block (14) is provided with an arc groove (15) for limiting the position, and the inner side of the protrusion (13) is fitted with an arc spring (16) that matches the arc groove (15) by screws.

4. The nozzle of the dispensing valve for a dispensing machine according to claim 3, characterized in that, The outer periphery of the tube seat (1) is equipped with a cross block (18) for support, and there are multiple sets of cross blocks (18). The outer two sides of the protrusion (13) are provided with grooves (17) for limiting. The outer periphery of the cross block (18) is slidably installed with a sleeve (19) that matches the protrusion (13). The sleeve (19) matches the groove (17).

5. The nozzle of the dispensing valve for a dispensing machine according to claim 4, characterized in that, The sleeve (19) and the protrusion (13) are each equipped with a magnetic block (20) that is magnetically connected to each other.

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