CN114762849A - Flow passage heating device - Google Patents

Abstract

The invention discloses a flow channel heating device, which comprises a heating module and a flow channel module, wherein the heating module is used for heating the flow channel module; the heating module comprises a heating base, the heating base is provided with a through hole, and one side of the through hole is provided with an anti-loosening mechanism; the bottom of the flow channel module comprises an adjusting nut, the flow channel module is detachably arranged above the heating module, and the adjusting nut is arranged in the through hole; the anti-loosening mechanism is used for tightly holding the adjusting nut. Provides a flow channel heating device which is safer, more stable and can automatically control the fluidity of glue.

Description

runner heating device

technical field

The field relates to a flow channel heating device in the glue dispensing field, and in particular, to a flow channel heating device for heating glue.

Background technique

In the prior art, a power supply voltage of 220V is used to heat the liquid box. When the flow channel module is heated, if there is a leakage current, there will be a greater safety hazard to the operator. Due to the different properties of the glue, the viscosity of the glue will change after some glues are heated, which in turn will affect the fluidity of the glue in the flow channel. The technical problems of the flow channel heating structure in the prior art are as follows: if there is no heating process, due to the glue When not heated, the fluidity is poor, and during the dispensing process, there may be unstable dispensing, such as glue breakage, inconsistent dispensing width, and dispensing bubbles.

In addition, in the prior art, the adjusting nut is connected by a thread and cannot be screwed to the bottom. The adjusting nut is tightened by pressing the firing pin against the nozzle. However, in the working state, the reciprocating motion of the firing pin may cause the firing pin to leave. In this state, There is a risk of loosening of the adjusting nut, resulting in unstable operation of the runner module.

The prior art has at least the following defects: first, the flow channel module adopts a voltage of 220V, which poses a potential safety hazard to the operator; second, it is impossible to feedback and adjust the heating temperature in real time, and the fluidity of the glue cannot be controlled; Bad; third, the adjusting nut is easy to loosen, and the runner module cannot work stably.

In view of this, it is an urgent technical problem for those skilled in the art to design a flow channel heating device that is safe to operate, automatically controls the heating temperature in real time to control the viscosity of the glue, and achieves the best fluidity and more stable operation.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned defects, the present invention provides a flow channel heating device capable of safely, stably and automatically controlling the fluidity of glue, which is specifically realized through the following specific technical solutions.

The invention discloses a flow channel heating device, comprising a heating module and a flow channel module, wherein the heating module is used for heating the flow channel module; the heating module comprises a heating base, and the heating base is provided with a through hole, One side of the through hole is provided with an anti-loosening mechanism; the bottom of the flow channel module includes an adjustment nut, the flow channel module is detachably arranged above the heating module, and the adjustment nut is installed in the through hole in the middle; the anti-loosening mechanism is used to hold the adjusting nut tightly.

Further, the anti-loosening mechanism is provided between the heating bases, and there is a gap between two sides of the anti-loosening mechanism and the heating base.

Further, one end of the anti-loosening mechanism is fixed on the heating base.

Further, a threaded hole is provided on the side of the heating base corresponding to the anti-loosening mechanism, and a screw is installed in the threaded hole, and the screw is used to change the relationship between the anti-loosening mechanism and the heating base. the width of the gap between.

Further, one end of the anti-loosening mechanism is arc-shaped, and the anti-loosening mechanism half surrounds the adjusting nut.

Furthermore, when the adjusting nut does not need to be tightened, the gap exists between the anti-loosening mechanism and the adjusting nut.

Further, the anti-loosening mechanism is provided between the heating bases, and there is a gap between two sides of the anti-loosening mechanism and the heating base.

Further, the heating base includes a heating rod and a thermocouple, and the heating rod has a voltage of 24V and a power of 40W.

Further, the heating module also includes a transfer heat insulation seat, a corrugated hose, and a joint mounting seat, the transfer heat insulation seat is fixed on the heating base, and the corrugated hose is installed on the between the transfer heat insulating seat and the joint mounting seat.

Furthermore, a butt plug is fixed on the joint mounting seat, the butt plug is electrically connected with a heating controller, and the joint mounting seat is designed as an annular pattern.

Further, the heating base is in a concave shape, and the flow channel module is in contact with the heating base on three sides.

The advantages of the present invention are: first, the anti-loosening mechanism holds the adjusting nut tightly to prevent the adjusting nut from loosening in the working state, so that the flow channel module works more stably; Feedback, stop heating and stabilize at the target temperature when it reaches the target temperature, control the fluidity of the glue, and achieve the best fluidity of the glue; third, the runner module and the heating module are in contact with each other on three sides, so that the runner module is heated more evenly.

Description of drawings

1 is a schematic structural diagram of a heating module provided by the present invention;

Fig. 2 is the top view of the heating module provided by the present invention;

3 is a schematic structural diagram of part A of the heating base provided by the present invention;

FIG. 4 is a second schematic structural diagram of a heating module provided by the present invention;

5 is a schematic structural diagram 1 of a flow channel heating device provided by the present invention;

6 is a top view of the structure of the flow channel module provided by the present invention;

7 is a cross-sectional view of the present invention in the direction of A-A in FIG. 6;

FIG. 8 is an enlarged view of the layout of the flow channel heating device provided by the present invention.

Symbol Description

1 Heating module 11 Heating base

12 Through hole 13 Release mechanism

14 Adapter insulation seat 15 Corrugated hose

16 Connector mount 17 Butt plug

2 Runner block 21 Adjusting nut

22 Glue inlet 23 Runner fixing

24 Glue outlet 41, 42 Gap

Detailed ways

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it should be understood that the present invention is not limited to such an embodiment described below, and the technical idea of the present invention may be implemented in combination with other known technologies or other technologies having the same functions as those known technologies.

In the description of the following specific embodiments, in order to clearly show the structure and working mode of the present invention, many directional words will be used to describe, but "front", "rear", "left", "right", "outside" should be used for description. "," "inwardly", "outwardly", "inwardly", "axially", "radial" and other words are to be construed as words of convenience and should not be construed as words of limitation.

The schematic structural diagrams of the heating module and the flow channel module are described with reference to the accompanying drawings. 1 is a schematic structural diagram of a heating module provided by the present invention. The heating module 1 includes a heating base 11 , and an adapter insulation seat 14 is arranged on the heating base 11 , and a corrugated hose 15 is installed on the upper end of the adapter insulation seat 14 . The corrugated hose 15 is used to place the heating rods and The wire of the thermocouple is connected with the corrugated hose 15 with a joint mount 16, the joint mount 16 is equipped with a butt plug 17, the butt plug 17 is connected to the heating controller, and the bottom of the heating base 14 is provided with a through hole 12 and an anti-loosening mechanism 13. One end of the anti-loosening mechanism 13 is a circular arc structure to form a part of the through hole 12, the other end of the anti-loosening mechanism 13 is rectangular, and the anti-loosening mechanism 13 is flush with the surface of the heating base 11 and between the heating bases 11 on both sides of the anti-loosening mechanism 13. There are gaps.

The heating base 11 is in a concave shape, and an outer side of the heating base 11 is provided with a raised baffle 18 , and the baffle 18 is parallel to the transfer heat insulation seat 14 . The heating base forms a structure that can surround the flow channel module 2 on three sides, so that the colloid in the flow channel module 2 can be heated more evenly, so as to avoid excessive local temperature difference and lead to poor dispensing.

Fig. 2 is a top view of the heating module of Fig. 1 provided by the present invention; wherein, one end of the anti-loosening mechanism 13 is connected with the heating base 11, so that the anti-loosening mechanism 13 is fixed on the heating base 11, and at the same time, the anti-loosening mechanism 13 can be kept at the heating base 11 after receiving an external force. During the movement in the gap, it is ensured that the anti-loosening mechanism 13 can be restored to its original position after the external force applied to the anti-loosening mechanism 13 is removed. There is a gap between the anti-loose mechanism 13 and the heating base 11, which allows the anti-loose mechanism 13 to move in a direction perpendicular to the baffle 18 when subjected to external force. When the adjusting nut 21 in the flow channel module 2 is installed on the When it is in the hole 12, the anti-loosening mechanism 13 can hold the adjusting nut 21 tightly after being acted by an external force, so that the adjusting nut 21 can work more stably.

Fig. 3 is a schematic diagram of the structure of part A of the heating base provided by the present invention; according to Fig. 3, the structural relationship between the anti-loosening mechanism 13 and the heating base 11 can be more clearly understood, there are gaps 41 and 42 between the anti-loosening mechanism 13 and the heating base 11, The gap 41 is a gap close to the outside of the heating base 11 . The gap 41 includes a circular arc and a rectangular gap. The diameter of the gap 42 overlaps with the diameter of the through hole 12 to ensure that the adjusting nut 21 is held tightly by the anti-loosening mechanism 13 . The area is larger, and the width of the slit 41 is smaller than that of the slit 42 . Those skilled in the art can also adjust the width of the slit and the length of the arc-shaped portion of the relaxation structure 13 as needed.

FIG. 4 is a second schematic structural diagram of the heating module provided by the present invention; the heat insulating adaptor 14, the corrugated hose 15, and the joint mounting seat 16, the heat insulating adapting seat 14 is fixed on the heating base 11, and the corrugated The hose 15 is installed between the adapter heat insulation seat 14 and the joint installation seat 16 . The corrugated hose 15 is connected to the heating base 11 for placing the wires in the heating base 11 for controlling the thermocouple and the heating rod. The corrugated hose 15 can choose to use a metal corrugated hose to protect the outlet of the heating rod and the thermocouple, and prevent the outlet from being damaged and damaged during use. The heating rod and the thermocouple are installed in the heating base 11, and the voltage of the heating rod is 24V and the power is 40W. The butt plug 17 is fixed on the joint mounting seat 16 , the butt plug connector 17 is electrically connected with a heating controller, and the joint mounting seat is designed as an annular pattern. The annular pattern design of the connector mounting seat 16 is convenient for the operator to plug the connector.

The heating controller can control the heating temperature of the heating base 11 in real time, so as to control the temperature around the flow channel module 2 and the fluidity of the glue. According to the characteristics of the glue, the heating temperature required by the glue is set in advance. When the heating controller is powered on, the heating rod is heated up, the temperature of the heating base is measured by the thermocouple, and the detected temperature is fed back to the heating controller. Through the thermocouple temperature measurement feedback, When the detected temperature reaches the target temperature, the heating is stopped and stabilized at the target temperature to achieve the best fluidity of the glue. The heating controller includes a temperature detection module, which can adjust the heating temperature of the glue in real time by detecting the temperature of the glue, so as to make the glue better liquidity. Avoid the poor fluidity of the glue when it is not heated and the possibility of unstable dispensing during the dispensing process, such as glue breakage, inconsistent dispensing width, and dispensing bubbles.

FIG. 5 is a schematic structural diagram of the flow channel module provided by the present invention; FIG. 6 is a top view of the structure of the flow channel module provided by the present invention; The base is matched with the flow channel heating base 11 , and the flow channel module 2 is placed in the concave area formed by the flow channel heating base 11 .

FIG. 7 is a cross-sectional view of the present invention in the direction of A-A in FIG. 6 ; the flow channel module 2 further includes a glue flow channel, which is connected to the glue inlet 22 and the glue outlet 24 . The adjusting nut 21 is connected by thread and will not be screwed to the bottom. The top is tightened by pressing the firing pin against the nozzle. However, in the working state, the reciprocating motion of the firing pin will cause the firing pin to leave. There is a risk of loosening in tight structures. Therefore, in the present invention, the flow channel heating module 1 is provided with an anti-loosening mechanism 13, which is used to hold the adjusting nut 21 tightly during the working process to prevent the loosening of the nut caused by the flow channel heating device during a long working process, affecting the Runner module 2 works.

FIG. 8 is a partial enlarged view of the flow channel heating device provided by the present invention.

Compared with the prior art, the present invention has the following advantages: first, the anti-loosening mechanism holds the adjusting nut tightly to prevent the adjusting nut from loosening in the working state, so that the flow channel module works more stably; The rod heats up, and through the thermocouple temperature measurement feedback, when the target temperature is reached, the heating is stopped and stabilized at the target temperature, and the fluidity of the glue is controlled to achieve the best fluidity of the glue; The heating of the channel module is more uniform.

Unless otherwise specified, the qualifiers similar to "first" and "second" appearing in this document do not refer to the limitation of time sequence, quantity, or importance, but are only for the purpose of combining one of the technical solutions in this technical solution. A feature is distinguished from another technical feature. Likewise, the qualifications similar to "a" appearing in this document do not refer to the limitation of quantity, but describe technical features that do not appear in the foregoing. Likewise, modifiers such as "approximately" and "approximately" appearing before numerals herein generally include the numerals, and their specific meanings should be understood in conjunction with the context. Similarly, unless it is a noun modified by a specific quantitative quantifier, it should be regarded as including both the singular form and the plural form in this article, and the technical solution may include either a singular number of the technical feature or a plural number of the technical characteristics.

What is described in this specification is only the preferred specific embodiments of the present invention, and the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the present invention. All technical solutions that can be obtained by those skilled in the art through logical analysis, reasoning or limited experiments according to the concept of the present invention shall fall within the scope of the present invention.

Claims (11)

1. The runner heating device is characterized by comprising a heating module and a runner module, wherein the heating module is used for heating the runner module;

the heating module comprises a heating base, the heating base is provided with a through hole, and one side of the through hole is provided with an anti-loosening mechanism;

the bottom of the flow channel module comprises an adjusting nut, the flow channel module is detachably arranged above the heating module, and the adjusting nut is arranged in the through hole;

the anti-loosening mechanism is used for tightly holding the adjusting nut to prevent the adjusting nut from loosening.

2. The flow channel heating device according to claim 1, wherein the locking mechanism is provided between the heating bases, and a gap is provided between both sides of the locking mechanism and the heating bases.

3. The flow channel heating device according to claim 2, wherein one end of the locking mechanism is fixed to the heating base.

4. The flow channel heating device according to claim 2, wherein a threaded hole is formed in a side of the heating base corresponding to the locking mechanism, and a screw is installed in the threaded hole and used for changing the width of the gap between the locking mechanism and the heating base.

5. The flow channel heating device according to claim 2, wherein one end of the locking mechanism is arc-shaped, and the locking mechanism half-surrounds the adjusting nut.

6. The flow channel heating device of claim 5, wherein the gap exists between the anti-loosening mechanism and the adjusting nut when the adjusting nut is not required to be tightened.

7. The flow channel heating device according to claim 2, wherein the locking mechanism is provided between the heating bases, and a gap is provided between both sides of the locking mechanism and the heating bases.

8. The device of claim 2, wherein the heating base comprises a heating rod and a thermocouple, the heating rod has a voltage of 24V and a power of 40W.

9. The device of claim 8, wherein the heating module further comprises an adapter insulator, a corrugated tube, and a connector mount, the adapter insulator being secured to the heating base, the corrugated tube being mounted between the adapter insulator and the connector mount.

10. The flow channel heating device of claim 9, wherein a pair of connectors are secured to said connector mount, said pair of connectors being electrically connected to a heating controller, said connector mount being configured with an annular ridge.

11. The flow channel heating device according to claim 10, wherein the heating base is in a concave shape, and the flow channel module is in three-sided contact with the heating base.

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