CN109419087B - Ultrasonic welding equipment capable of quickly welding three-dimensional mask - Google Patents
Ultrasonic welding equipment capable of quickly welding three-dimensional mask Download PDFInfo
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- CN109419087B CN109419087B CN201710734647.0A CN201710734647A CN109419087B CN 109419087 B CN109419087 B CN 109419087B CN 201710734647 A CN201710734647 A CN 201710734647A CN 109419087 B CN109419087 B CN 109419087B
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- mask body
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
- B29C65/7879—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined said parts to be joined moving in a closed path, e.g. a rectangular path
- B29C65/7882—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined said parts to be joined moving in a closed path, e.g. a rectangular path said parts to be joined moving in a circular path
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/345—Progressively making the joint, e.g. starting from the middle
- B29C66/3452—Making complete joints by combining partial joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4807—Headwear
- B29L2031/4835—Masks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/768—Protective equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses ultrasonic welding equipment capable of quickly welding a three-dimensional mask. The mold is used for placing the mask body and the mask sealing ring. The positioning sensor is used for detecting the positions of the mask body and the mask sealing ring and sending a detection result to the control device. The first driving device is connected with the welding piece and used for driving the welding piece to move towards the die so as to weld the mask sealing ring on the mask body; the control device is used for controlling the first driving device to work. The quantity of welding is two at least, and the contained angle that forms between two adjacent welding vertically is the acute angle, and all welding are used for welding the gauze mask sealing washer that is located a mould simultaneously. The ultrasonic welding equipment capable of quickly welding the three-dimensional mask improves the welding efficiency and the product yield and prolongs the service life.
Description
Technical Field
The invention relates to the field of mask manufacturing equipment, in particular to ultrasonic welding equipment capable of quickly welding a three-dimensional mask.
Background
With the development of industry, environmental pollution is increasingly serious, and haze weather frequently appears, which seriously affects the health of human bodies. At present, for haze weather, the most direct mode that travelers take is to wear the gauze mask. The mask is designed for the health of a traveler and is used for preventing visible or invisible substances harmful to a human body from being filtered, so that the mask does not adversely affect the human body, and therefore, when the mask is worn in a case where respiratory infectious diseases prevail or when the mask is used in an environment polluted by dust or the like, the mask is more beneficial to the health of a user. The existing mask usually comprises a mask body and a mask sealing ring welded on the inner side of the mask body, and a user wears the mask through the mask sealing ring and the face of the user to be in contact with each other so as to seal the mask.
The existing mask manufacturing equipment generally comprises a disc-shaped die, a welding head and a power device, wherein the welding head and the power device are positioned above the die, the extending direction of the welding head is perpendicular to the plane where the die is positioned, during welding, a mask body is placed on the die, then a mask sealing ring is placed on the mask body, and finally the power device drives the welding head to move towards the die so as to weld the mask sealing ring to the mask body. However, when the mask body is placed on the mold, if the mask body is inclined relative to the mold, the welding head still welds the mask sealing ring, which results in unqualified products, low product yield, and easy damage to the mold, resulting in low welding efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing ultrasonic welding equipment which has high yield and high welding efficiency for producing a mask product and can quickly weld a three-dimensional mask.
The invention discloses ultrasonic welding equipment capable of quickly welding a three-dimensional mask, which comprises a mould, a positioning sensor, a welding piece, a first driving device and a control device, wherein the mould is used for placing a mask body and a mask sealing ring; the positioning sensor is electrically connected with the control device and used for detecting the positions of the mask body and the mask sealing ring and sending a detection result to the control device; the welding piece is positioned on one side of the die and used for welding the mask sealing ring to the mask body; the first driving device is connected with the welding piece and used for driving the welding piece to move towards the die so as to weld the mask sealing ring to the mask body; the control device is electrically connected with the first driving device and is used for controlling the first driving device to work; the mask sealing ring welding device comprises a mould, a plurality of welding pieces and a plurality of sealing rings, wherein the number of the welding pieces is at least two, an included angle formed between the two adjacent welding pieces in the longitudinal direction is an acute angle, and all the welding pieces are used for simultaneously welding the mask sealing ring on the mould.
Preferably, the mold comprises a profiling fixture, one end of the profiling fixture is provided with a placing surface for placing the mask body, and the shape of the placing surface is matched with that of the mask body.
Preferably, the profiling fixture is provided with one end of the placing surface is further provided with a positioning bulge, and the positioning bulge is used for being connected with the mask body in a sleeved mode so as to fix the mask body.
Preferably, the profiling fixture comprises a first boss, a second boss is formed by one end face of the first boss extending longitudinally along the first boss, the cross-sectional area of the second boss is smaller than that of the first boss, the second boss is used for supporting the mask sealing ring, a third boss is formed by one end face of the second boss extending longitudinally along the second boss and facing away from the first boss, the cross-sectional area of the third boss is smaller than that of the second boss, so that the mask sealing ring can be sleeved on the third boss, and the end face of the first boss, the end face of the second boss and the end face of the third boss form the placing face together.
Preferably, the end surface of the third boss facing away from the second boss includes two supporting planes and two supporting curved surfaces, the two supporting curved surfaces are located on two opposite sides of the supporting plane, the supporting plane is connected with the supporting curved surfaces, and the height of the supporting plane is higher than that of the supporting curved surfaces.
Preferably, the ultrasonic welding equipment capable of quickly welding the three-dimensional mask further comprises a turntable, and the mold is fixed on the turntable.
Preferably, the number of the molds is several, and several of the molds surround to form a ring shape.
Preferably, the ultrasonic welding equipment capable of rapidly welding the three-dimensional mask further comprises a second driving device, and the second driving device is connected with the turntable and used for driving the turntable to rotate.
Preferably, the ultrasonic welding device capable of rapidly welding the three-dimensional mask further comprises a frame, and the second driving device is fixed in the frame.
Preferably, the welding part comprises a welding head and an energy converter, the energy converter is used for converting electric energy into ultrasonic waves, and the welding head is connected with the energy converter and used for coupling the ultrasonic waves generated by the energy converter to the mask sealing ring so as to weld the mask sealing ring to the mask body.
In conclusion, the ultrasonic welding equipment capable of quickly welding the three-dimensional mask detects the positions of the mask sealing ring and the mask body which are placed on the die through the positioning sensor before welding through the matching of the die, the positioning sensor, the welding part, the first driving device and the control device, and sends a detection result to the control device; in addition, because adjacent two the contained angle that forms between the vertical of welding is the acute angle, all the welding is used for being located one simultaneously on the mould the gauze mask sealing washer welds, therefore, not only counterpoint the accuracy to and avoid single welding to move the problem easily when welding alone, welding efficiency is high moreover.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a perspective view of a portion of the structure of the present invention.
Fig. 3 is a perspective view of the inventive die from a perspective view.
Fig. 4 is a perspective view of the mold shown in fig. 3 from another perspective.
Fig. 5 is a perspective view of the first and second welding members of the present invention when they are fitted to each other.
Fig. 6 is a perspective view of a weld head of the present invention.
Fig. 7 is an enlarged view of the area a shown in fig. 6.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, if not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other within the scope of protection of the present invention.
Referring to fig. 1 and 2, the present invention discloses an ultrasonic welding apparatus capable of rapidly welding a three-dimensional mask, which includes a mold 1, a welding member, a first driving device 4 and a control device 5. The die 1 is used for placing a mask body and a mask sealing ring so as to facilitate welding. Specifically, in this embodiment, the number of the molds 1 is several, and several molds 1 surround to form a ring. The mask body fixing device is characterized in that the mold 1 comprises a profiling fixture 11 and a fixing block 12, the profiling fixture 11 is fixed on the fixing block 12, a placing surface used for placing the mask body is arranged at one end of the profiling fixture 11, and the shape of the placing surface is matched with that of the mask body, so that the mask body fixing device is more stable and reliable in fixation and convenient to weld.
Referring to fig. 3 and 4, the profiling fixture 11 includes a first boss 111, a second boss 112 and a third boss 113, an end surface of one end of the first boss 111 extends in a longitudinal direction of the first boss 111 to form the second boss 112, a cross-sectional area of the second boss 112 is smaller than a cross-sectional area of the first boss 111, and the second boss 112 is used for supporting the mask sealing ring during welding so as to facilitate welding. The end face, which faces away from the first boss 111, of the second boss 112 extends longitudinally along the second boss 112 to form the third boss 113, and the cross-sectional area of the third boss 113 is smaller than that of the second boss 112, so that the mask sealing ring can be sleeved on the third boss, thereby avoiding the mask sealing ring from generating large offset and improving the product yield. Specifically, in this embodiment, during welding, the mask sealing ring is sleeved outside the third boss 113 and located on the end surface of one end of the second boss 112.
The end face of the third boss 113 facing away from the second boss 112 includes two supporting planes 114 and two supporting curved surfaces 115, the two supporting curved surfaces 115 are located on two opposite sides of the supporting plane 114, the supporting plane 114 is connected with the supporting curved surfaces 115, the supporting plane 114 is higher than the supporting curved surfaces 115, and the shape of the supporting plane 114 is matched with the shape of the mask body, so that the mask body is convenient to fix. In this embodiment, the end surface of the first boss 111, the end surface of the second boss 112, and the end surface of the third boss 113 collectively form the placement surface.
Preferably, the profiling fixture 11 is provided with the one end of the placing surface is further provided with a positioning protrusion 116, and the positioning protrusion 116 is used for being connected with the mask body in a sleeved mode to fix the mask body, so that the problem that the mask body is not welded in place or is welded infirm due to the fact that the mask body stretches and retracts can be avoided. In this embodiment, the number of the positioning protrusions 116 is several, and all the positioning protrusions are fixed on the first bosses 111. It is understood that the position and number of the positioning protrusions 116 are not particularly limited herein.
Referring to fig. 2, 5 to 7, the welding parts include a first welding part 2 and a second welding part 3. It is understood that the number of the welding parts can be set according to the requirement, and is not limited in particular. Preferably, the quantity of welding is two at least, adjacent two the contained angle that forms between the vertical of welding is the acute angle, all the welding is used for being located one simultaneously on the mould the gauze mask sealing washer welds, therefore not only efficient, avoids better during the welding the gauze mask body reaches the gauze mask sealing washer aversion, can weld the gauze mask sealing washer and the gauze mask body of multiple shape moreover. Specifically, first welding piece 2 and second welding piece 3 all are located mould 1 one side for with the gauze mask sealing washer welds to on the gauze mask body, the vertical contained angle that forms of first welding piece 2 with second welding piece 3 is the acute angle, the acute angle can be 45 °, 60 or 75 etc. and it sets up as required, does not do specifically to restrict here, during the welding through first welding piece 2 with second welding piece 3 is from two orientations cooperation mould 1 is right the gauze mask sealing washer welds simultaneously, therefore welding efficiency is high, and the welding is more firm. Wherein, in the present embodiment, the first welding member 2 comprises a welding head 21 and a transducer 22, and the transducer 22 is used for converting electric energy into ultrasonic waves and transmitting the ultrasonic waves to the welding head 21. The welding head 21 is connected with the transducer 22 and used for coupling the ultrasonic wave generated by the transducer 22 to the mask sealing ring so as to weld the mask sealing ring to the mask body.
The end face of one end, used for welding the mask sealing ring, of the welding head 21 is provided with a plurality of welding convex parts 211, the adjacent welding convex parts 211 and the welding convex parts 211 are arranged at intervals, a plurality of welding convex parts 211 form a curved welding line, a profiling groove 212 is arranged in an area surrounded by the welding line of the welding head 21, and the shape of the profiling groove 212 is matched with that of the mask body, so that the mask body can be well fixed and can be conveniently welded. During welding, the ultrasonic wave generated by the transducer 22 is coupled to the welding points on the mask sealing ring through the welding convex part 211, so that the mask sealing ring is welded to the mask body. Here, the welding protrusion 211 may have a regular or irregular structure, for example, it may have a columnar or hemispherical structure. In the present embodiment, the welding protrusion 211 has a columnar structure. The second weldment 3 is of the same construction as the first weldment 2 and also includes a welding head 31 and a transducer 32. Therefore, the detailed structure of the second welding member 3 will not be described in detail herein.
The first driving device 4 is connected with the first welding part 2 and the second welding part 3 and used for driving the first welding part 2 and the second welding part 3 to move towards the die 1 so as to weld the mask sealing ring on the mask body. The first driving device 4 may be a cylinder or a motor, and the structure thereof is not particularly limited. The control device 5 is electrically connected with the first driving device 4 and the welding part and is used for controlling the first driving device 4 and the welding part to work.
Preferably, referring to fig. 2, the ultrasonic welding apparatus capable of rapidly welding the three-dimensional mask further includes a frame 6, a second driving device 7, and a turntable 8. The rack 6 comprises a top plate 61, supporting columns 62, connecting columns 63 and side plates 64, wherein the top plate 61 is fixed at one ends of the supporting columns 62, the number of the supporting columns 62 is a plurality of, the supporting columns 62 are located below the top plate 61, and two ends of each connecting column 63 are respectively connected with two adjacent supporting columns 62, so that a reliable supporting mechanism is formed between the supporting columns 62. The side plate 64 is fixed above one side of the top plate 61, and the control device 5 is fixed on the side plate 64 so as to facilitate the operation and control of a user. It is to be understood that the structure of the frame 6 is not particularly limited herein as long as it can achieve the support.
The second driving device 7 is fixed in the frame 6, and the second driving device 7 may be an index plate, a rotary cylinder, or a motor. Specifically, in this embodiment, the second driving device 7 is located below the top plate 61 and connected to the top plate 61 and the turntable 8, and is configured to drive the turntable 8 to rotate. The mold 1 is fixed on the turntable 8, and specifically, the fixed block 12 of the mold 1 is fixed on the turntable 8 so as to drive the mold 1 to rotate when the turntable 8 rotates. It will be appreciated that in one embodiment, the contoured clip 11 may be fixedly attached directly to the turntable 8 without the need for the fixed block 12.
Preferably, referring to fig. 1 and 2, the ultrasonic welding apparatus capable of rapidly welding the three-dimensional mask further includes a positioning sensor 9, and the positioning sensor 9 is electrically connected to the control device 5, and is configured to detect positions of the mask body and the mask sealing ring, and send a detection result to the control device 5. If the mask sealing ring and the mask body are not placed at a preset position, the control device 5 controls the first driving device 4, the first welding part 2 and the second welding part 3 to pause, so that the welding parts do not weld the mask sealing ring. In order to better detect the positions of the mask sealing ring and the mask body, the positioning sensor 9 is fixed on the mold 1. It is to be understood that the positioning sensor may be fixed to the welding head or the frame, and is not particularly limited thereto. The positioning sensor may be implemented by a fiber optic sensor or a pressure sensor, etc., and thus, the type of the sensor is not particularly limited herein.
The working principle of the invention is as follows: firstly, placing the mask sealing ring and the mask body on the mold 1, and sleeving and connecting the mask body and the positioning bulge 116 to reliably fix the mask body on the mold 1; then, the control device 5 controls the first welding member 2 and the second welding member 3 to move toward the mold 1, and simultaneously welds the mask seal ring. When welding every gauze mask sealing washer extremely back on the gauze mask body, controlling means 5 control second drive arrangement 7 drives carousel 8 rotates and predetermines the angle to make first welding piece 2 reaches the gauze mask sealing washer of second welding piece 3 to next station welds.
In summary, the ultrasonic welding equipment for rapidly welding the three-dimensional mask of the invention detects the positions of the mask sealing ring and the mask body placed on the mold 1 through the positioning sensor 9 before welding by matching the mold 1, the positioning sensor 9, the welding part, the first driving device 4 and the control device 5, and sends the detection result to the control device 5, and when the mask sealing ring and the mask body are not located at the preset positions, the control device 5 controls the welding part not to weld the mask sealing ring, so that poor welding and damage to the mold 1 can be avoided, the product yield is improved, and the service life is prolonged; in addition, because adjacent two the contained angle that forms between the vertical of welding is the acute angle, all the welding is used for being located one simultaneously on the mould 1 the gauze mask sealing washer welds, therefore, not only counterpoint the accuracy to and avoid single welding to move the problem easily when welding alone, welding efficiency is high moreover.
Claims (6)
1. An ultrasonic welding device capable of quickly welding a three-dimensional mask is characterized by comprising a mold, a positioning sensor, a welding piece, a first driving device and a control device, wherein the mold is used for placing a mask body and a mask sealing ring; the positioning sensor is electrically connected with the control device and used for detecting the positions of the mask body and the mask sealing ring and sending a detection result to the control device; the welding piece is positioned on one side of the die and used for welding the mask sealing ring to the mask body; the first driving device is connected with the welding piece and used for driving the welding piece to move towards the die so as to weld the mask sealing ring to the mask body; the control device is electrically connected with the first driving device and is used for controlling the first driving device to work; the mask sealing ring is characterized in that the number of the welding parts is at least two, an included angle formed between the longitudinal directions of the two adjacent welding parts is an acute angle, and all the welding parts are used for simultaneously welding the mask sealing ring on one die;
the welding part comprises an energy converter and a welding head, the energy converter is used for converting electric energy into ultrasonic waves, and the welding head is connected with the energy converter and is used for coupling the ultrasonic waves generated by the energy converter to the mask sealing ring so as to weld the mask sealing ring to the mask body; a plurality of welding convex parts are arranged at the end face of one end of the welding head for welding the mask sealing ring, the adjacent welding convex parts and the welding convex parts are arranged at intervals, and the welding convex parts form a curved welding line; the mould comprises a profiling clamp, and a placing surface for placing the mask body is arranged at one end of the profiling clamp; one end of the profiling fixture, which is provided with the placing surface, is also provided with a positioning bulge, and the positioning bulge is used for being sleeved and connected with the mask body so as to fix the mask body; the profiling fixture comprises a first boss, wherein one end face of the first boss extends longitudinally along the first boss to form a second boss, the cross sectional area of the second boss is smaller than that of the first boss, the second boss is used for supporting the mask sealing ring, one end face of the second boss, which faces away from the first boss, extends longitudinally along the second boss to form a third boss, the cross sectional area of the third boss is smaller than that of the second boss, so that the mask sealing ring can be sleeved on the third boss, and the end face of the first boss, the end face of the second boss and the end face of the third boss form the placing face together; the third boss dorsad the terminal surface of second boss includes support plane and support curved surface, the quantity of supporting the curved surface is two, and two it is located to support the curved surface support plane position relative both sides, support the plane with support the curved surface and link to each other, just support planar highly be higher than support the height of curved surface.
2. The ultrasonic welding apparatus for rapidly welding a stereoscopic mask as set forth in claim 1, wherein the shape of the placement surface is adapted to the shape of the mask body.
3. The ultrasonic welding apparatus for a rapidly weldable three-dimensional respirator according to claim 1, wherein the ultrasonic welding apparatus for a rapidly weldable three-dimensional respirator further comprises a turntable, and the mold is fixed to the turntable.
4. The ultrasonic welding device for the rapidly welded three-dimensional mask according to claim 3, wherein the number of the molds is several, and the several molds surround into a ring shape.
5. The ultrasonic welding device for rapidly welding the three-dimensional mask according to claim 3, further comprising a second driving device connected to the turntable for driving the turntable to rotate.
6. The ultrasonic welding apparatus for a rapidly weldable three-dimensional respirator according to claim 5, wherein the ultrasonic welding apparatus for a rapidly weldable three-dimensional respirator further comprises a frame, and the second driving device is fixed in the frame.
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| CN201710734647.0A CN109419087B (en) | 2017-08-24 | 2017-08-24 | Ultrasonic welding equipment capable of quickly welding three-dimensional mask |
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| CN111227344A (en) * | 2020-02-18 | 2020-06-05 | 孟晓辉 | Automatic assembling equipment for breathing sheet of medical mask |
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| CN100479965C (en) * | 2004-12-14 | 2009-04-22 | 青岛科技大学 | Automatic welding working platform of non-woven fabrics cone-shaped mouth mask ear strip |
| CN102744881A (en) * | 2012-06-21 | 2012-10-24 | 苏州凯尔博精密机械有限公司 | Multi-unit ultrasonic welding machine |
| CN204160040U (en) * | 2014-09-04 | 2015-02-18 | 芜湖新宝超声波设备有限公司 | A kind of ultrasonic wave rapid welding equipment |
| CN104439748B (en) * | 2014-11-19 | 2016-06-01 | 柳州市骏信金属制品有限责任公司 | Welding detection system |
| CN205009588U (en) * | 2015-10-09 | 2016-02-03 | 田成 | Cup gauze mask automatic welding cutter |
| CN106360845B (en) * | 2016-10-09 | 2017-12-12 | 北京小米移动软件有限公司 | Mouth mask filter core and its processing method |
| CN207172770U (en) * | 2017-08-24 | 2018-04-03 | 深圳市兴创源科技有限公司 | Can rapid welding three-dimensional mask device for ultrasonic welding |
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