阅读说明：本技术 一种汽车遮阳板用的超音波压合模具及其工作方法 (Ultrasonic wave pressing mold for automobile sun shield and working method of ultrasonic wave pressing mold ) 是由 朱长来 于 2020-12-10 设计创作，主要内容包括：本发明涉及汽车配件生产领域,尤其涉及一种汽车遮阳板用的超音波压合模具及其工作方法,包括机头、控制屏、撑杆、螺旋转轮、压合底板、压合焊头、LED灯带、可拆卸板；所述控制屏可控制压合焊头的压合动作和压合时长；所述螺旋转轮可控制机头在水平方向上移动；所述压合底板为耐高温材质；所述压合焊头为SCM8结构钢制成；所述压合焊头可通过超音波、超高频震动在适度压力下使两块塑胶的接合面产生摩擦热而瞬间熔融接合焊接强度高,适用于汽车遮阳板各层结构的侧面压合。(The invention relates to the field of automobile accessory production, in particular to an ultrasonic laminating die for an automobile sun shield and a working method thereof, wherein the ultrasonic laminating die comprises a machine head, a control screen, a support rod, a spiral rotating wheel, a laminating bottom plate, a laminating welding head, an LED lamp belt and a detachable plate; the control screen can control the pressing action and the pressing duration of the pressing welding head; the spiral rotating wheel can control the machine head to move in the horizontal direction; the pressing bottom plate is made of high-temperature-resistant materials; the pressing welding head is made of SCM8 structural steel; the pressing welding head can generate friction heat on the joint surface of the two plastics under moderate pressure through ultrasonic waves and ultrahigh frequency vibration, so that the instant fusion joint welding strength is high, and the pressing welding head is suitable for pressing the side surface of each layer of structure of the automobile sun shield.)

1. An ultrasonic wave pressing mold for an automobile sun shield is characterized by comprising a machine head (1), a control screen (2), a support rod (3), a spiral rotating wheel (4), a pressing bottom plate (5), a pressing welding head (6), an LED lamp strip (7) and a detachable plate (8); a control screen (2) is arranged on the machine head (1); the control screen (2) is a touch panel; the stay bar (3) is fixedly connected with the machine head (1) and the pressing bottom plate (5) through screws; a spiral rotating wheel (4) is arranged on the side surface of the machine head (1); a pressing welding head (6) is arranged below the machine head (1); a circle of LED lamp belt (7) is arranged on the inner side surface of the pressing bottom plate (5); one side of the pressing bottom plate (5) is a detachable plate (8).

2. The ultrasonic pressing mold for the sun visor of an automobile as claimed in claim 1, wherein the machine head (1) is controlled by a screw rotation wheel (4) through mechanical fine adjustment of limit, and the screw rotation wheel (4) is internally adjusted by saw tooth bayonet.

3. The ultrasonic bonding mold for the sun visor of a vehicle as claimed in claim 1, wherein the stay (3) is attached with a foam pad.

4. The ultrasonic bonding mold for the sun visor of a vehicle as claimed in claim 1, wherein the bonding base plate (5) is made of carbon steel and a layer of asbestos cloth is padded thereon.

5. The ultrasonic bonding mold for the sun visor of an automobile as claimed in claim 1, wherein the bonding head (6) is made of SCM8 material, and digital welding parameter setting is realized through the control panel (2); the pressing welding head (6) is connected to the machine head (1) through an NTK vibrator; and a frequency modulation and frequency compensation circuit is also arranged in the machine head (1).

6. The ultrasonic bonding mold for the sun visor of an automobile as claimed in claim 5, wherein the bonding temperature of the bonding horn (6) is 600 ℃ and the bonding time is 0.1 sec.

7. The ultrasonic bonding die for the sun visor of an automobile as claimed in claim 5, wherein the bonding horn (6) is driven by a pulse current.

8. The ultrasonic bonding mold for the sun visor of an automobile as claimed in claim 5, wherein the bonding head (6) is further connected with a relay protection device.

9. The ultrasonic bonding mold for the sun visor of a vehicle as claimed in claim 1, wherein the LED strip (7) has a light intensity sensing system, and the brightness thereof is inversely proportional to the ambient brightness.

10. The method for operating an ultrasonic press mold for a sun visor of an automobile according to any one of claims 1 to 9, comprising the steps of:

I. the side edges of the automobile sun visor which are stacked up in layers are placed on a pressing bottom plate (5), and the detachable plate (8) can be removed if the sun visor is too large in size;

II, adjusting the screw rotating wheel (4) to the position where the pressing welding head (6) is overlapped with the needed pressing part of the sun shield;

regulating the pressing time through a control screen (2) for defaulting to 0.1 sec;

and IV, setting the pressing time to be continuous, and continuously moving the sun shield to enable the side edge of the sun shield to be contacted with the pressing welding head (6) one by one to realize side edge pressing, and paying attention to the fact that each pressing point cannot be left below the pressing welding head (6) for too long.

Technical Field

The invention relates to the field of automobile accessory production, in particular to an ultrasonic wave pressing die for an automobile sun visor and a working method of the ultrasonic wave pressing die.

Technical Field

The automobile sun visor is used for being installed outside or in a glass window to prevent sunlight dazzling or being exposed to the sun for a long time in an automobile caused by outdoor parking for a long time, and is made of plastic, EPP, PU foam, paperboard and the like and can be divided into a front bumper, a side bumper and a rear bumper.

In the production of the sun shield, materials such as plastics, EPP, PU foam, paperboards and the like need to be stacked and pressed, and as the components contain plastics, harmful gas can be generated due to conventional hot connection, welding and the like, and the operation is inconvenient; therefore, the ultrasonic welding technology and the sun shield production technology are combined, so that the environment-friendly processing and clean production are facilitated, the production efficiency can be effectively improved, and the economic benefit of enterprises is improved.

Disclosure of Invention

In order to achieve the purpose, the invention provides a sun shield pressing method based on an ultrasonic pressing technology, which has the advantages of no open fire or smoke, high processing efficiency and no environmental pollution, and can cleanly press the sun shield; the specific scheme is as follows:

an ultrasonic laminating die for an automobile sun shield is characterized by comprising a machine head, a control screen, a support rod, a spiral rotating wheel, a laminating bottom plate, a laminating welding head, an LED lamp belt and a detachable plate; a control screen is arranged on the machine head; the control screen is a touch panel; the stay bar is fixedly connected with the machine head and the pressing bottom plate through screws; a spiral rotating wheel is arranged on the side surface of the machine head; a pressing welding head is arranged below the machine head; a circle of LED lamp strip is arranged on the inner side surface of the pressing bottom plate; one side of the pressing bottom plate is a detachable plate.

Furthermore, the machine head adopts mechanical limit fine adjustment and is controlled by a screw rotating wheel, and limit adjustment is realized in the screw rotating wheel through a sawtooth bayonet; as a preferred choice of the invention, the machine position is more flexibly controlled, and each point position can stop the machine head through the bayonet, thereby avoiding the slippage during the adjustment.

Furthermore, a foam pad is attached to the support rod; preferably, the device is more comfortable to hold by hand, and the support rod is insulated and heat-insulated to prevent damage to human body.

Furthermore, the pressing bottom plate is made of carbon steel, and a layer of asbestos gauze is padded above the pressing bottom plate; preferably, the bottom plate is prevented from conducting electricity or heating up instantaneously due to instantaneous pulse current during pressing.

Furthermore, the pressing welding head is made of an SCM8 material, and digital welding parameter setting is realized through a control screen; the pressing welding head is connected to the machine head through an NTK vibrator; a frequency modulation and frequency compensation circuit is also arranged in the machine head; as a preferred choice of the invention, the welding head has good temperature resistance, the frequency of the vibrator during welding is higher, and the penetration to the internal material layer is more thorough; the frequency compensation circuit can make the pulse current frequency more stable, and avoid different pressing degrees of all pressing points.

Further, the pressing temperature of the pressing welding head is 600 ℃, and the pressing time is 0.1 sec; as a preferable aspect of the present invention, local temperature rise due to an excessively long press-fitting time can be prevented.

Further, the pressing welding head is driven by pulse current; as a preference of the present invention, the trigger current of the pulse current is larger at the moment, and the pulse current can break down the layers of the sun visor and bond the layers through high temperature in a short time compared with the constant current.

Furthermore, the pressing welding head is also connected with a relay protection device; the invention can prevent the pressing pulse current of each pressing point from being different due to small continuous current, so that the pressing degree is not uniform, and the product quality is not influenced.

Further, the LED lamp is provided with a light intensity sensing system, and the brightness of the LED lamp is inversely proportional to the ambient brightness; as a preference of the present invention, the operator can use the device more comfortably.

Further, the working method of the ultrasonic wave pressing die for the automobile sun visor comprises the following steps:

I. placing the side edges of the stacked automobile sun-shading boards on the pressing bottom board, and removing the detachable boards if the size of the sun-shading boards is too large;

II, adjusting the screw rotating wheel to the position where the pressing welding head and the sun shield need to be pressed to be overlapped;

regulating the pressing time through a control screen, and defaulting for 0.1 sec;

and IV, setting the pressing time to be continuous, and continuously moving the sun shield to enable the side edge of the sun shield to be contacted with the pressing welding head one by one to realize side edge pressing, and paying attention to the fact that each pressing point cannot be left under the pressing welding head for too long time.

The scheme shows that the invention at least has the following beneficial effects:

1. according to the ultrasonic laminating die for the automobile sun visor and the working method thereof, local overheating caused by traditional voltage and hot pressing is avoided through ultrasonic laminating, and the risk possibly existing in production is reduced;

2. according to the ultrasonic laminating die for the automobile sun visor and the working method thereof, the laminating position can be adjusted more accurately through mechanical adjustment and electronic adjustment;

3. according to the ultrasonic laminating die for the automobile sun visor and the working method thereof, die cutting is changed into point laminating, so that the problem that different templates are required to be configured for each model in a complicated laminating manner is solved, and the cost of die building is reduced.

Drawings

Fig. 1 is a schematic view of an ultrasonic laminating mold for a sun visor of an automobile according to embodiments 1 and 2;

wherein: the device comprises a machine head 1, a control screen 2, a support rod 3, a spiral rotating wheel 4, a pressing bottom plate 5, a pressing welding head 6, an LED lamp strip 7 and a detachable plate 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1, the ultrasonic laminating mold for the sun visor of the automobile is characterized by comprising a machine head 1, a control screen 2, a support rod 3, a spiral rotating wheel 4, a laminating bottom plate 5, a laminating welding head 6, an LED lamp strip 7 and a detachable plate 8; the handpiece 1 is provided with a control screen 2; the control screen 2 is a touch panel; the stay bar 3 is fixedly connected with the machine head 1 and the pressing bottom plate 5 through screws; a spiral rotating wheel 4 is arranged on the side surface of the machine head 1; a pressing welding head 6 is arranged below the machine head 1; a circle of LED lamp strip 7 is arranged on the inner side surface of the pressing bottom plate 5; one edge of the pressing bottom plate 5 is a detachable plate 8.

Preferably, the operating method of the ultrasonic wave pressing mold for the sun visor of the automobile includes the following steps:

I. placing the side edges of the stacked automobile sun-shading boards on the pressing bottom board 5, and moving the detachable board 8 if the size of the sun-shading board is too large;

II, adjusting the spiral rotating wheel 4 to the position where the pressing welding head 6 is overlapped with the sun shield in a pressing mode;

regulating the pressing time through a control screen 2, and defaulting for 0.1 sec;

and IV, setting the pressing time to be continuous, and continuously moving the sun shield to enable the side edge of the sun shield to be contacted with the pressing welding head 6 one by one to realize side edge pressing, and paying attention to the fact that each pressing point cannot be left under the pressing welding head 6 for too long.

Example 2

As shown in fig. 1, the ultrasonic laminating mold for the sun visor of the automobile is characterized by comprising a machine head 1, a control screen 2, a support rod 3, a spiral rotating wheel 4, a laminating bottom plate 5, a laminating welding head 6, an LED lamp strip 7 and a detachable plate 8; the handpiece 1 is provided with a control screen 2; the control screen 2 is a touch panel; the stay bar 3 is fixedly connected with the machine head 1 and the pressing bottom plate 5 through screws; a spiral rotating wheel 4 is arranged on the side surface of the machine head 1; a pressing welding head 6 is arranged below the machine head 1; a circle of LED lamp strip 7 is arranged on the inner side surface of the pressing bottom plate 5; one edge of the pressing bottom plate 5 is a detachable plate 8.

Preferably, the machine head 1 adopts mechanical limiting fine adjustment and is controlled by the spiral rotating wheel 4, and limiting adjustment is realized in the spiral rotating wheel 4 through a sawtooth bayonet.

Preferably, a foam pad is attached to the stay bar 3.

Preferably, the pressing bottom plate 5 is made of carbon steel, and a layer of asbestos gauze is padded above the pressing bottom plate.

Preferably, the pressing welding head 6 is made of SCM8 material, and digital welding parameter setting is realized through the control screen 2; the pressing welding head 6 is connected to the machine head 1 through an NTK vibrator; and a frequency modulation and frequency compensation circuit is also arranged in the handpiece 1.

Preferably, the bonding horn 6 has a bonding temperature of 600 ℃ and a bonding time of 0.1 sec.

Preferably, the stitching horn 6 is driven by a pulsed current.

Preferably, the press-fit welding head 6 is also connected with a relay protection device.

Preferably, the LED strip 7 has a light intensity sensing system, the brightness of which is inversely proportional to the ambient brightness.

Preferably, the operating method of the ultrasonic wave pressing mold for the sun visor of the automobile includes the following steps:

I. placing the side edges of the stacked automobile sun-shading boards on the pressing bottom board 5, and moving the detachable board 8 if the size of the sun-shading board is too large;

II, adjusting the spiral rotating wheel 4 to the position where the pressing welding head 6 is overlapped with the sun shield in a pressing mode;

regulating the pressing time through a control screen 2, and defaulting for 0.1 sec;

and IV, setting the pressing time to be continuous, and continuously moving the sun shield to enable the side edge of the sun shield to be contacted with the pressing welding head 6 one by one to realize side edge pressing, and paying attention to the fact that each pressing point cannot be left under the pressing welding head 6 for too long.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.