CN111728304A - Semi-automatic double spot welding machine for mask and ear band - Google Patents
Semi-automatic double spot welding machine for mask and ear band Download PDFInfo
- Publication number
- CN111728304A CN111728304A CN202010619032.5A CN202010619032A CN111728304A CN 111728304 A CN111728304 A CN 111728304A CN 202010619032 A CN202010619032 A CN 202010619032A CN 111728304 A CN111728304 A CN 111728304A
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- Prior art keywords
- wire
- mask
- ear
- welding
- ear belt
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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
- A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a semi-automatic double-spot welding machine for mask ear bands, which comprises an ear band wire feeding mechanism and a welding mechanism, wherein the ear band wire feeding mechanism is arranged on the ear band wire feeding mechanism; the ear belt wire feeding mechanism comprises a wire releasing rod, a plurality of wire guide wheels, a wire pressing groove, a wire pressing block, a movable wire pulling clamp, a wire shearing knife and two rotatable wire clamping claws; the welding mechanism comprises a lower die for bearing vibration heating of the mask and two upper dies capable of moving up and down; two ends of the ear belt conveyed by the ear belt wire feeding mechanism are correspondingly pressed onto two welding points on the mask by the two upper dies. According to the mask ear belt semi-automatic double-spot welding machine, mask welding spots are accurately positioned, and the problem of high rejection rate caused by unreliable positioning is solved; due to the double-station design, the spot welding time of the ear band of a single mask is reduced, and the yield of each hour is improved; the design is humanized, the structure is compact, and the operation is convenient; according to different varieties of masks, the distance between the welding wire and the welding point is adjustable, the mask has the characteristic of universality, and the input cost of equipment is reduced.
Description
Technical Field
The invention relates to a spot welding machine for a mask ear belt, and belongs to the technical field of machinery.
Background
When the mask is manufactured and the ear band is welded, the adopted modes comprise a single spot welding machine, a double spot welding machine and a semi-automatic welding machine. The single spot welding is completed by manually holding the mask with one hand and holding the ear belt with the other hand one by one; the double spot welding is to complete two points of the ear belt on one side by one-time fusion welding, and complete 4 welding points of one mask by two-time welding; the welding wire of the semi-automatic welding machine is automatically cut off and fed by the machine, and an operator only needs to place a mask.
At present, a single spot welding machine is commonly used in the market, but the efficiency is low and the attractiveness of welding spots is poor due to the fact that manual operation is mainly adopted. The semi-automatic welding machine is immature in products on the market at present, the key positioning problem is not solved at present, the welding spot positioning error is too large, the ideal state cannot be achieved, and the rejection rate is extremely high.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a semi-automatic double-spot welding machine for mask ear bands, wherein mask welding spots are accurately positioned, and the problem of high rejection rate caused by unreliable positioning is solved; and the distance between the welding wire and the welding spot is adjustable, and the universality is good.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a semi-automatic double-spot welding machine for mask ear bands comprises an ear band wire feeding mechanism and a welding mechanism;
the ear belt wire feeding mechanism comprises a wire releasing rod, a plurality of wire guide wheels, a wire pressing groove, a wire pressing block, a movable wire pulling clamp, a wire shearing knife and two rotatable wire clamping claws;
the ear belt line released from the pay-off rod is guided to pass through the line pressing groove through a plurality of line guide wheels;
a movable wire pressing block is arranged in the wire pressing groove in a matched manner; the wire pressing block can be matched with the wire pressing groove to press the lug wire in the wire pressing groove or loosen the lug wire so that the lug wire can be clamped by the wire pulling clamp and pulled outwards from the wire pressing groove for a set length;
the two wire clamping claws are arranged in a set length range dragged by the ear belt wire and can clamp the ear belt wire; a trimming knife for cutting off the ear belt line is arranged between one wire clamping claw close to the wire pressing groove and the wire pressing groove; when the two wire clamping claws rotate, the two ends of the cut ear belt are clamped and conveyed to the welding mechanism;
the welding mechanism comprises a lower die for bearing vibration heating of the mask and two upper dies capable of moving towards or away from the lower die; two ends of the ear belt conveyed by the ear belt wire feeding mechanism are correspondingly pressed onto two welding points on the mask by the two upper dies.
The lower die vibrates and heats through the ultrasonic vibrator and the transducer.
Furthermore, the wire pulling clamp and the wire clamping claw are driven by the cylinder to clamp the lug wire.
Furthermore, the wire pulling clamp and the wire pressing block are driven by a linear cylinder to realize linear motion; the wire clamping claw is driven by the rotating cylinder to rotate.
Further, the device also comprises a positioning and mounting rotating mechanism;
the positioning installation rotating mechanism comprises a rotating table which is arranged on the operating table and can rotate between a loading station and a unloading station and a welding station to exchange positions, two positioning columns which are arranged outside the rotating table of the loading station and can vertically move along positioning holes on the operating table, and pressing plates which are arranged on the rotating table and are respectively positioned on one of the stations and can move towards the rotating table; the distance between the two positioning columns is matched with the positions of the two mounting holes on the mask.
Furthermore, when the two positioning columns vertically move upwards to extend out of the operating platform, the two welding holes in the mask are matched with the positioning columns, the mask is fixedly positioned on the rotating platform positioned at the loading and unloading station, and the mask is pressed on the rotating platform by the pressing plate in the station;
when the two positioning columns vertically move and retract to be not protruded out of the operating platform, the rotating platform bears the mask and rotates to the welding station from the loading and unloading station.
Further, the pressing plate is driven by the air cylinder to move towards or away from the rotating table.
Further, the lower mould sets up in the revolving stage outside of welding station department, and the lower mould upper surface contacts with the gauze mask lower surface of welding station department.
Further, the distance between the two positioning columns and/or the distance between the two upper dies can be adjusted.
Further, the positions and/or the rotating angles of the two wire clamping claws can be adjusted.
The invention achieves the following beneficial effects:
according to the mask ear belt semi-automatic double-spot welding machine, mask welding spots are accurately positioned, and the problem of high rejection rate caused by unreliable positioning is solved; due to the double-station design, the spot welding time of the ear band of a single mask is reduced, and the yield of each hour is improved; the design is humanized, the structure is compact, and the operation is convenient; according to different varieties of masks, the distance between the welding wire and the welding point is adjustable, the mask has the characteristic of universality, and the input cost of equipment is reduced.
Drawings
FIG. 1 is a side view of the mask ear band semi-automatic double spot welding machine of the present embodiment;
FIG. 2 is an axial view of the mask ear band semi-automatic double spot welding machine of the present embodiment in another direction;
FIG. 3 is a schematic view of the ear belt feeding mechanism of the present embodiment;
FIG. 4 is another schematic view of the ear belt feeding mechanism of the present embodiment;
fig. 5 is a schematic view of the welding mechanism of the present embodiment.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1 and 2, the mask ear band semiautomatic double spot welding machine of the present embodiment includes a positioning and mounting rotating mechanism 1, an ear band wire feeding mechanism 2 and a welding mechanism 3.
The positioning and mounting rotating mechanism 1 is used for positioning the mask 100 and switching between a loading station a and a welding station b, and comprises a rotatable rotating table 11 arranged on an operating platform 200, two positioning columns 13 driven by a first air cylinder 12 and capable of vertically moving along a positioning hole 201 on the operating platform, and a first pressing plate 16 and a second pressing plate 17 respectively driven by a second air cylinder 14 and a third air cylinder 15. Preferably, the operation table 200 and the rotation table 11 are located on the same plane.
The second and third air cylinders 14, 15 can drive the first and second pressing plates 16, 17 to move towards the rotating table 11, so as to press the mask positioned on the rotating table 11 onto the rotating table.
The opposite two sides of the rotating platform are respectively a loading and unloading station a and a welding station b, and the table top can be exchanged between the loading and unloading station a and the welding station b when the rotating platform rotates 180 degrees each time. Two positioning columns 13 driven by a first air cylinder 12 are arranged on an operation table on the outer side of a rotating table 11 at a loading and unloading station, when the first air cylinder 12 extends out, the two positioning columns 13 are driven to extend upwards to protrude out of the operation table 200, the distance between the two positioning columns 13 is matched with the positions of two mounting holes (the mounting holes are also welding points for welding ear bands, and after the ear bands are welded, the two mounting holes are completely covered and filled by ear band lines), the mask is positioned through the matching of the positioning columns 13 and the mounting holes, and then a first pressing 16 plate is driven by a second air cylinder 14 to move towards the mask on the rotating table, so that the positioned mask on the rotating table is pressed on the rotating table; when the first cylinder 12 contracts, the two positioning columns 13 are driven to retract downwards to be not protruded out of the operation table 200, and the rotation table is not prevented from carrying the positioned mask 100 to rotate from the loading and unloading station a to the welding station b.
The second, the third cylinder 14, 15 is all fixed on revolving stage 11, and one of them pressure strip and drive actuating cylinder and be located the loading and unloading station, another pressure strip and drive actuating cylinder and be located the welding station, the second, the third cylinder and respectively driven first pressure strip, the second pressure strip can rotate along with the revolving stage, exchange to the contralateral station in, simultaneously, when the revolving stage rotates, can rotate the gauze mask of loading and unloading station location installation to the welding station and weld, and the gauze mask of welding station department welded the ear strap can rotate to the loading and unloading station, again by cylinder drive pressure strip upward movement release gauze mask, take off the gauze mask by operating personnel, again install another gauze mask of location again and weld, or carry out the ear strap welding to the opposite side of this gauze mask.
Referring to fig. 3 and 4, the ear strap feeding mechanism 2 is used for delivering ear straps cut into standard lengths to a welding station, and comprises a wire releasing rod 21, a plurality of wire guiding wheels 22 and 23, a wire guiding hole 29, a wire pressing groove 24, a wire pressing block 25 driven by a wire pressing cylinder 251, a wire pulling clamp 26 driven by a wire pulling cylinder 261 to move, a rotatable wire clamping claw 27 driven by a rotating cylinder 271 and a wire shearing knife 28. The wire-pulling clamp 26 and the wire-clamping claw 27 can be driven by a driving device such as an air cylinder to open or clamp the ear belt.
The wire coil for winding the ear belt wire is hung on the wire releasing rod to release the ear belt wire or the ear belt wire is directly wound on the wire releasing rod. The earring wire is guided through the plurality of wire guide wheels 22, 23 and the wire guide hole 29 to pass through the wire pressing groove 24 and is clamped by the wire clamp 25. A wire pressing block 25 driven by a wire pressing cylinder 251 is fittingly disposed in the wire pressing groove 24. When the wire pressing block 25 moves towards the wire pressing groove 24, the wire pressing block can be matched with the wire pressing groove 24 to press the ear belt in the wire pressing groove 24, so that the ear belt wire is not released when being pressed and is not pulled; when line ball 25 kept away from the motion of wire holding groove, make the ear belting line can be worn wire holding 24 by the centre gripping of acting as go-between cylinder 261 drive and outwards pull to the length of settlement under, the cylinder stop motion of acting as go-between, simultaneously, line ball 25 moves towards wire holding groove 24, compresses tightly the ear belting line in wire holding groove 24.
The two clamping claws 27 move to both ends of the ear cord between the wire pulling clip 26 and the wire pressing groove 24 and clamp both ends of the ear cord respectively. A thread cutter 28 which can avoid the movement of opening the wire clamp when the wire clamp is opened is arranged between the wire pressing groove 24 and the wire clamping claw close to the wire pressing groove. After the ear belt line is clamped by the wire clamping claws, the wire shearing knife 28 is closed to shear the ear belt line, and meanwhile, the wire pulling clamp 26 also loosens the other end of the ear belt line, so that the section of the ear belt line is completely clamped at the two ends by the two wire clamping claws 27 to form a section of the ear belt with the required length. The two wire clamping claws 27 are driven by the rotating cylinder 271 to simultaneously turn to the welding station, so that the end parts of the two ends of the ear belt are rotated to the welding station b and pressed on the mask 100 on the rotating platform 11, and are respectively positioned above the two welding points on the same side of the mask. After the two ends of the ear band are respectively welded on the mouth mask by the welding mechanism, the two wire clamping claws 27 are loosened to return to the initial positions, and the shearing and welding of one ear band are realized.
The ear belt line is pressed and held by the wire pressing block and the wire pressing groove, the cut end is still exposed outside the wire pressing groove, the wire pulling cylinder drives the wire pulling clamp to move towards the wire pressing groove again at the moment, the end is clamped, the wire pulling cylinder drives the wire pressing groove to pass through the wire pressing groove again to pull the ear belt line outwards to a set length, the action process is repeated, and the next section of ear belt is sheared and conveyed.
As shown in fig. 5, the welding mechanism 3 for welding the ear band conveyed by shearing to the mask includes a lower die 31 that generates heat by vibration and two upper dies 32 that are driven by a welding cylinder. The lower mold 31 is vibrated by the ultrasonic vibrator 311 and the transducer 312 to generate heat.
The lower die 31 is arranged outside the rotating table 11 at the welding station b, and the upper surface of the lower die is in contact with the mask rotating to the welding station from the loading and unloading station to transfer heat to the mask. The two upper dies 32 are correspondingly driven by the welding cylinder to respectively press the two welding point positions of the mask on which the ear bands are placed, and are matched with the lower dies 31, so that the two ends of the ear bands are welded on the mask.
In order to be suitable for welding various masks with different models and different distances between welding points of ear bands, the device can be further improved, and the universality is improved.
As shown in the combined figure 3, the distance and the position between the two positioning columns driven by the first cylinder in the positioning installation rotating mechanism are adjustable, for example, the two positioning columns are arranged on a replacement plate convenient to replace, a plurality of replacement plates are designed as required, the distance and the position between the two positioning columns on the replacement plate are different, and the distance and the position of the positioning columns are adjusted by replacing the replacement plates so as to adapt to masks with different models, different ear band welding point distances and different positions.
Referring to fig. 3 and 4, in the ear belt wire feeding mechanism, two rotatable wire clamping claws driven by a rotating cylinder can be used for conveying the ear wire to the welding station, and the position and the angle of the ear wire can be adjusted. For example, a rotary cylinder 271 for driving the wire clamping claw 27 to rotate is mounted on the adjusting plate 272, the adjusting plate 272 is adjustably arranged on the fixing frame 273, the positions of the rotary cylinder 271 and the wire clamping claw 27 can be adjusted by adjusting the position of the adjusting plate 273, and the position and the angle for transmitting the lug wire to the welding station when the wire clamping claw rotates are changed. The position of the adjusting plate 272 on the fixing frame 273 can be adjusted by the screw rod 274 and the nut 275.
In the welding mechanism, the distance between the two upper dies is adjustable. If, set up at least one slot hole on the mounting panel of two last moulds of fixed mounting, wherein at least one goes up the mould and can install in the slot hole, adjusts interval, the position between two last moulds through the different positions in the slot hole to the welding of the ear strap of the gauze mask of adaptation different models, ear strap welding point interval, position difference.
This scheme not only is applicable to ordinary gauze mask ear area welding, is equally suitable for to the gauze mask ear area welding of models such as N95.
Example 2
In this embodiment, the mask ear band semiautomatic double spot welding machine may only include the ear band wire feeding mechanism 2 and the welding mechanism 3 in embodiment 1, but does not adopt the above positioning and mounting rotating mechanism 1, and is manually loaded, after the mask position is adjusted by an operator, the ear band wire feeding mechanism 2 conveys and cuts the mask ear band to a welding station into ear bands with standard length, and the welding mechanism 3 welds the cut and conveyed ear bands to the mask. The others are the same as the above embodiment.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A semi-automatic double-spot welding machine for mask ear bands is characterized by comprising an ear band wire feeding mechanism and a welding mechanism;
the ear belt wire feeding mechanism comprises a wire releasing rod, a plurality of wire guide wheels, a wire pressing groove, a wire pressing block, a movable wire pulling clamp, a wire shearing knife and two rotatable wire clamping claws;
the ear belt line released from the pay-off rod is guided to pass through the line pressing groove through a plurality of line guide wheels;
a movable wire pressing block is arranged in the wire pressing groove in a matched manner; the wire pressing block can be matched with the wire pressing groove to press the lug wire in the wire pressing groove or loosen the lug wire so that the lug wire can be clamped by the wire pulling clamp and pulled outwards from the wire pressing groove for a set length;
the two wire clamping claws are arranged in a set length range dragged by the ear belt wire and can clamp the ear belt wire; a trimming knife for cutting off the ear belt line is arranged between one wire clamping claw close to the wire pressing groove and the wire pressing groove; when the two wire clamping claws rotate, the two ends of the cut ear belt are clamped and conveyed to the welding mechanism;
the welding mechanism comprises a lower die for bearing vibration heating of the mask and two upper dies capable of moving towards or away from the lower die; two ends of the ear belt conveyed by the ear belt wire feeding mechanism are correspondingly pressed onto two welding points on the mask by the two upper dies.
2. The mask ear band semiautomatic spot welding machine according to claim 1, wherein the lower die is vibrated by an ultrasonic vibrator and a transducer to generate heat.
3. The mask ear belt semiautomatic double spot welding machine according to claim 1, wherein the wire pulling clamp and the wire clamping claw are driven by a cylinder to clamp the ear belt wire.
4. The mask earband semi-automatic double-spot welding machine according to claim 1, wherein the wire-pulling clamp and the wire-pressing block are driven by a linear cylinder to realize linear motion; the wire clamping claw is driven by the rotating cylinder to rotate.
5. The mask ear band semiautomatic spot welding machine according to claim 1, further comprising a positioning and mounting rotating mechanism;
the positioning installation rotating mechanism comprises a rotating table which is arranged on the operating table and can rotate between a loading station and a unloading station and a welding station to exchange positions, two positioning columns which are arranged outside the rotating table of the loading station and can vertically move along positioning holes on the operating table, and pressing plates which are arranged on the rotating table and are respectively positioned on one of the stations and can move towards the rotating table; the distance between the two positioning columns is matched with the positions of the two mounting holes on the mask.
6. The mask ear belt semiautomatic double-spot welding machine according to claim 5, wherein when the two positioning columns move upwards and vertically to extend out of the operating platform, the two welding holes on the mask are matched with the positioning columns to fix and position the mask on the rotating platform positioned at the loading and unloading station, and the mask is pressed on the rotating platform by the pressing plate in the station;
when the two positioning columns vertically move and retract to be not protruded out of the operating platform, the rotating platform bears the mask and rotates to the welding station from the loading and unloading station.
7. The mask ear band semiautomatic spot welder of claim 5, wherein said pressing plate is moved toward or away from the rotary table by an air cylinder.
8. The mask ear belt semiautomatic spot welding machine according to claim 5, wherein the lower mold is disposed outside the rotary table at the welding station, and the upper surface of the lower mold is in contact with the lower surface of the mask at the welding station.
9. The mask ear belt semiautomatic spot welding machine according to claim 5, wherein the distance between the two positioning columns and/or the distance between the two upper dies is adjustable.
10. The mask ear band semiautomatic double spot welding machine according to claim 1, wherein the position and/or rotation angle of the two wire clamping claws is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619032.5A CN111728304A (en) | 2020-07-01 | 2020-07-01 | Semi-automatic double spot welding machine for mask and ear band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619032.5A CN111728304A (en) | 2020-07-01 | 2020-07-01 | Semi-automatic double spot welding machine for mask and ear band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111728304A true CN111728304A (en) | 2020-10-02 |
Family
ID=72653876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010619032.5A Withdrawn CN111728304A (en) | 2020-07-01 | 2020-07-01 | Semi-automatic double spot welding machine for mask and ear band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111728304A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112425840A (en) * | 2020-10-17 | 2021-03-02 | 宁波贝来旅游用品有限公司 | Adjustable mask and production equipment thereof |
| CN112493579A (en) * | 2020-10-14 | 2021-03-16 | 赵文举 | Full-automatic calibration welding equipment for ear band of planar mask |
| CN112917925A (en) * | 2021-01-21 | 2021-06-08 | 仙桃市银宏防护用品有限公司 | Ear belt spot welding equipment of mask production machine |
-
2020
- 2020-07-01 CN CN202010619032.5A patent/CN111728304A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112493579A (en) * | 2020-10-14 | 2021-03-16 | 赵文举 | Full-automatic calibration welding equipment for ear band of planar mask |
| CN112425840A (en) * | 2020-10-17 | 2021-03-02 | 宁波贝来旅游用品有限公司 | Adjustable mask and production equipment thereof |
| CN112917925A (en) * | 2021-01-21 | 2021-06-08 | 仙桃市银宏防护用品有限公司 | Ear belt spot welding equipment of mask production machine |
| CN112917925B (en) * | 2021-01-21 | 2022-07-22 | 仙桃市银宏防护用品有限公司 | Ear belt spot welding equipment of mask production machine |
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Application publication date: 20201002 |