CN219095941U

CN219095941U - Hot melting induction device of turbocharging actuator

Info

Publication number: CN219095941U
Application number: CN202223003630.3U
Authority: CN
Inventors: 杨富贵; 翁湘凯
Original assignee: Shenzhen Yisheng Power Technology Co ltd
Current assignee: Shenzhen Yisheng Power Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-05-30
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a hot melting induction device of a turbocharging actuator, which comprises an induction heater, an actuator and a heating coil, wherein the induction heater is arranged on the actuator; the actuator comprises a first plastic shell and a second plastic shell, wherein the first plastic shell is provided with a first hot melting part, and the second plastic shell is provided with a second hot melting part connected with the first hot melting part; the heating coil is arranged between the first hot melting part and the second hot melting part, and can be heated by induction of the induction heater so as to connect the first plastic shell and the second plastic shell into a whole. According to the technical scheme, the induction heater is adopted to convey high-frequency alternating current so that vortex is generated in the heating coil, the temperature of the heating coil rises rapidly in a short time, the first plastic shell and the second plastic shell are connected into a whole in a hot melting mode, the appearance of the turbo-charging actuator after hot melting is good, the production cost is reduced, and the productivity is improved.

Description

Hot melting induction device of turbocharging actuator

Technical Field

The utility model relates to the technical field of actuators, in particular to a hot melting induction device of a turbocharger actuator.

Background

The turbocharger actuator is mainly used for an automobile turbocharger system and is used for adjusting the opening and closing angle of an air inlet valve of the turbocharger so as to control the air inflow of the turbocharger. The connection and assembly modes of the upper and lower shells of the turbo-charging actuator which is commonly used for plastic materials at present are mainly as follows:

1. is connected and fixed through screws. The mode needs to be implemented under the conditions that the space of the upper shell and the lower shell is enough and the wall thickness of the shell is enough, the nut is needed to be embedded into one shell in the implementation process, the metal bushing is needed to be embedded into the other shell, and a sealing ring is needed to be added between the upper shell and the lower shell to prevent water vapor and oil dirt from entering the inside, but as the service life is prolonged, the sealing ring is easy to age to cause poor sealing effect, and the turbocharging actuator fails.

2. Is fixed by ultrasonic welding. The upper shell and the lower shell are connected into a whole through ultrasonic welding, a sealing ring is not needed in the mode, the sealing effect is good, the use limit is large, the stability is poor, the reject ratio is high, and ultrasonic equipment is expensive.

3. And the materials are fixed by heating, melting and connecting with an external resistance wire. The mode is simple to operate, but low in efficiency, the resistance wire is made of special materials, the wire ends of the resistance wire need to be cut off after the hot melting is finished, the appearance is affected, and the method is not applicable to products with high requirements on appearance.

Disclosure of Invention

The utility model mainly aims to provide a hot melting induction device of a turbo-charging actuator, which aims to realize good appearance of the turbo-charging actuator after hot melting, reduce production cost and improve productivity.

In order to achieve the above object, the present utility model provides a turbo charger actuator hot melt induction device, comprising:

an induction heater;

the actuator comprises a first plastic shell and a second plastic shell, wherein the first plastic shell is provided with a first hot melting part, and the second plastic shell is provided with a second hot melting part connected with the first hot melting part;

the heating coil is arranged between the first hot melting part and the second hot melting part, and can be used for generating heat by induction of the induction heater so as to connect the first plastic shell and the second plastic shell into a whole.

In an embodiment, the first hot-melt portion is a male tang and the second hot-melt portion is a female tang;

the heating coil is arranged in the concave spigot, the convex spigot is pressed into the concave spigot, and the heating coil is positioned between the concave spigot and the convex spigot.

In an embodiment, the female spigot is an annular groove, the male spigot is an annular projection, the annular groove is adapted to the shape of the annular projection, and the female spigot is adapted to the shape of the heating coil.

In an embodiment, the female seam allowance has an annular baffle towards the outside for covering the heating coil.

In an embodiment, the first plastic shell and the second plastic shell have the same melting point.

In an embodiment, the heating coil is made of ferromagnetic material.

In one embodiment, the heating coil is a closed loop coil.

In an embodiment, the first plastic shell and the second plastic shell are made of thermoplastic plastics.

In an embodiment, the first plastic shell is located above the second plastic shell.

In an embodiment, the induction heater is provided with a tool clamp for fixing the second plastic shell.

The technical scheme of the utility model is that the hot melting induction device of the turbocharging actuator comprises an induction heater, an actuator and a heating coil; the actuator comprises a first plastic shell and a second plastic shell, wherein the first plastic shell is provided with a first hot melting part, and the second plastic shell is provided with a second hot melting part connected with the first hot melting part; the heating coil is arranged between the first hot melting part and the second hot melting part and is used for enabling the induction heater to generate heat in an induction mode so as to connect the first plastic shell and the second plastic shell into a whole. So set up, carry high frequency alternating current through adopting induction heater and make the inside vortex that produces of heating coil, make the temperature rise sharply in the heating coil short time, first plastic casing and second plastic casing hot melt are connected as an organic wholely, guarantee that turbo charger executor outward appearance is good after the hot melt, reduction in production cost improves the productivity.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of one embodiment of a hot melt sensing device for a turbocharger actuator according to the present utility model;

FIG. 2 is a front view of one embodiment of a turbocharger actuator hot melt sensing device of the present utility model;

FIG. 3 is a cross-sectional view of A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of a first molded case of an embodiment of a hot melt sensor for a turbocharger actuator according to the present utility model;

FIG. 6 is a schematic diagram of a second molded case of an embodiment of a hot melt sensing device for a turbocharger actuator according to the present utility model;

fig. 7 is a schematic structural view of a heating coil of an embodiment of a hot melt induction device for a turbocharger according to the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	First plastic shell	110	Convex spigot
200	Second plastic shell	210	Concave spigot
				300	Heating coil	211	Annular baffle

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 7, the present utility model provides a hot melt sensing device for a turbocharger actuator.

The turbo-charged actuator hot melt induction device includes an induction heater, an actuator and a heating coil 300; the actuator comprises a first plastic housing 100 and a second plastic housing 200, wherein the first plastic housing 100 is provided with a first hot melt part, and the second plastic housing 200 is provided with a second hot melt part connected with the first hot melt part; the heating coil 300 is disposed between the first hot-melt portion and the second hot-melt portion, and the heating coil 300 may be inductively heated by the induction heater to integrally connect the first plastic case 100 and the second plastic case 200.

Specifically, the first and second

plastic cases

100 and 200 are made of plastic, which can be heated by the heating coil 300 to reach a melting point. When the temperature of the heating coil 300 reaches the melting points of the first and second

plastic cases

100 and 200, the first and second hot-melt portions are in a melted state and can be fused with each other. The working process is described below, the second plastic shell 200 is fixed to the induction heater base station through the fixture, the heating coil 300 is firstly placed into the first hot-melt portion of the second plastic shell 200, then the first plastic shell 100 is covered onto the second plastic shell 200, the induction heater is started, the induction heater enables the inside of the heating coil 300 coil to generate vortex through high-frequency alternating current, the temperature of the heating coil 300 rises rapidly in a short time, when the temperature exceeds the melting point of the first plastic shell 100 and the second plastic shell 200, the first plastic shell 100 and the second plastic shell 200 start to melt, a certain pressure is applied to the first plastic shell 100 downwards in the melting process by the induction heater, plastics of the first hot-melt portion and the second hot-melt portion after melting are recombined, at the moment, the current control switch of the induction heater is closed, the internal vortex of the heating coil 300 disappears, the temperature drops rapidly, and the junction of the first plastic shell 100 and the second plastic shell 200 is cooled and hardened, thereby achieving the effect of connecting the first plastic shell 100 and the second plastic shell 200 into a whole. Because the first plastic case 100 and the second plastic case 200 are recombined, the seamless connection is ensured, and the tightness is good. The downward pressure is maintained after the power is off for 5 to 10 seconds to ensure that the connection strength of the first plastic shell 100 and the second plastic shell 200 meets the requirement. In the implementation process, the heating coil 300 is arranged inside the shell, no thread ends are required to leak out, no glue overflows after heating, no exposed thread ends are required to be sheared off, and the appearance quality is ensured. The turbo-charging actuator of the utility model adopts an internal heating mode to connect the first plastic shell 100 and the second plastic shell 200, prevents glue overflow, ensures good appearance of products, has high heating efficiency of the heating coil 300, and is not limited by the shape space of the actuator. Compared with the mode of fixing by a screw, the induction hot melting sealing performance is better, and the service life is long. Compared with an ultrasonic welding fixing mode, the induction hot melting stability is better, and the yield is high. Compared with the resistance wire heating, melting, connecting and fixing mode, the induction heating coil 300 only needs common steel, and is lower in cost.

Referring to fig. 1 and 4, in order to facilitate the installation of the first plastic housing 100 into the second plastic housing 200 during production, in one embodiment, the first heat-melted portion is a male tang 110, and the second heat-melted portion is a female tang 210; the heating coil 300 is disposed in the female seam allowance 210, the male seam allowance 110 is pressed into the female seam allowance 210, and the heating coil 300 is disposed between the female seam allowance 210 and the male seam allowance 110. It can be understood that the second plastic case 200 is fixed to the induction heating machine base by the fixture, the heating coil 300 is first placed into the concave seam allowance 210 of the second plastic case 200, then the first plastic case 100 is covered onto the second plastic case 200, the induction heating machine is started after the convex seam allowance 110 is aligned with the concave seam allowance 210, the induction heating machine enables the inside of the heating coil 300 coil to generate vortex through high-frequency alternating current, the temperature of the heating coil 300 can be rapidly increased in a short time, when the temperature exceeds the melting points of the first plastic case 100 and the second plastic case 200, the first plastic case 100 and the second plastic case 200 start to melt, the induction heating machine applies a certain pressure to the first plastic case 100 downwards in the melting process, so that the melted convex seam allowance 110 and the melted concave seam allowance 210 are in plastic, at this time, the current control switch of the induction heating machine is turned off, the internal vortex of the heating coil 300 is removed, the temperature is rapidly reduced, and the joint of the first plastic case 100 and the second plastic case 200 is cooled and hardened, thereby achieving the effect of connecting the first plastic case 100 and the second plastic case 200 into a whole. The downward pressure is maintained after the power is off for 5 to 10 seconds to ensure that the connection strength of the first plastic shell 100 and the second plastic shell 200 meets the requirement.

Referring to fig. 5 to 7, in an embodiment, the female spigot 210 is an annular groove, the male spigot 110 is an annular protrusion, the annular groove is adapted to the shape of the annular protrusion, and the female spigot 210 is adapted to the shape of the heating coil 300. So set up, protruding tang 110 can cooperate and impress concave tang 210, guarantees the installation stability of first shell 100 and second shell 200 of moulding before the hot melt, prevents that first shell 100 and second from moulding shell 200 dislocation, further ensures that first shell 100 and second shell 200 of moulding after the hot melt connect as an organic whole outward appearance pleasing to the eye. Ensuring that the female and

male spigots

210 and 110 can be fully attached to the heating coil 300 allows the heat of the heating coil 300 to facilitate the rapid melting point melting of the heated female and

male spigots

210 and 110, thereby achieving the integration of the two by heat melting.

Referring to fig. 4, in order to ensure good appearance after hot melting, in an embodiment, the female notch 210 has an annular baffle 211 facing to the outside, and the annular baffle 211 is used for covering the heating coil 300. So set up, heating coil 300 is placed inside the executor, need not to spill the end of a thread, and no glue overflows after the heating, need not prune the end of a thread that exposes outside, and first plastic case 100 and second plastic case 200 are connected into an organic whole and are formed the appearance quality and obtain guaranteeing.

In one embodiment, the melting points of the first plastic case 100 and the second plastic case 200 are the same. So set, the temperature of the heating coil 300 is sharply increased so that the male tang 110 of the first plastic case 100 and the female tang 210 of the second plastic case 200 reach the melting point at the same time to be recombined, thereby ensuring the quality of the combination between the two.

The material of the heating coil 300 may be an alloy material such as low carbon steel, medium carbon steel, high carbon steel, or an aluminum alloy, a copper alloy, or the like. In a preferred embodiment, the heating coil 300 is made of ferromagnetic material. Alternatively, in a preferred embodiment, the heating coil 300 is made of 304 stainless steel.

Referring to fig. 1 and 7, in one embodiment, the heating coil 300 is a closed loop coil. The heating coil 300 may be connected in a head-to-tail welding manner to form a loop, so that in the process of connecting the first plastic housing 100 and the second plastic housing 200 together, the heating coil 300 may be in a closed state to form a loop, otherwise, a situation that heating cannot be performed or heating effect is poor may occur.

In an embodiment, the first plastic shell 100 and the second plastic shell 200 are made of thermoplastic plastics. The materials of the first and second

plastic cases

100 and 200 may be the same material or different materials, and when the first and second

plastic cases

100 and 200 are made of different materials, the characteristics of the materials are close, such as good meltability, close melting point, etc., otherwise, the hot melting effect is poor, and even the materials cannot be melted. In a preferred embodiment, the first plastic shell 100 and the second plastic shell 200 are made of pps+40gf. The first plastic case 100 and the second plastic case 200 adopt high-strength modified plastics as hot-melt base materials, and the connection strength is reliable.

Referring to fig. 1, in an embodiment, the first plastic housing 100 is located above the second plastic housing 200. Thus, the male connector 110 of the first plastic case 100 positioned above can be conveniently aligned with the female connector 210 of the second plastic case 200 positioned below for installation, and the installation efficiency of the two is improved.

In an embodiment, the induction heater is provided with a tool clamp for fixing the second plastic case 200. The fixture is used for fixing the second plastic shell 200 to the induction heater base table, so that the first plastic shell 100 and the second plastic shell 200 are conveniently connected and processed.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A turbo charger executor hot melt induction system, characterized by comprising:

an induction heater;

2. The turbo charger actuator hot melt induction apparatus of claim 1, wherein said first hot melt portion is a male tang and said second hot melt portion is a female tang;

3. The turbocharged actuator hot melt sensing device of claim 2, wherein the female tang is an annular groove, the male tang is an annular bump, the annular groove is shaped to fit the annular bump, and the female tang is shaped to fit the heater coil.

4. The turbocharger actuator fuse induction device of claim 3, wherein said female seam allowance has an annular baffle toward the outside for covering said heating coil.

5. The turbocharged actuator hot melt sensing device of claim 1, wherein the first molded shell and the second molded shell have the same melting point.

6. The turbo charger actuator hot melt induction apparatus of claim 1, wherein the heating coil is made of ferromagnetic material.

7. The turbocharged actuator hot melt induction apparatus of claim 1, wherein the heating coil is a closed loop coil.

8. The turbocharger actuator fuse sensor of claim 1, wherein said first plastic shell and said second plastic shell are both formed from thermoplastic.

9. The turbocharged actuator fuse induction device of claim 1, wherein the first molded housing is located above the second molded housing.

10. The turbo charger executor hot melt induction system of claim 9, wherein the induction heater is provided with a tooling fixture for fixing said second plastic shell.