CN113246475A

CN113246475A - Mask ear belt welding machine

Info

Publication number: CN113246475A
Application number: CN202110606469.XA
Authority: CN
Inventors: 严楠; 赖振达; 陈罡; 周桥; 宋扬; 徐立勤; 薛世润; 赵志国; 马林苁
Original assignee: Ningbo Polytechnic
Current assignee: Ningbo Polytechnic
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-08-13

Abstract

The invention belongs to the field of mask production equipment, and provides a mask ear belt welding machine, which comprises: a frame; the feeding mechanism is arranged on the rack and used for conveying the ear belt with the preset length; the pulling mechanism is arranged on the rack and used for pulling the ear belt; the grabbing mechanism is arranged on the rack, and can clamp the ear belt after the ear belt is pulled by the pulling mechanism; the intercepting mechanism is arranged on the rack and located between the feeding mechanism and the grabbing mechanism, and when the grabbing mechanism clamps the ear belt tightly, the intercepting mechanism cuts off the ear belt between the feeding mechanism and the grabbing mechanism. Compared with the prior art, the automatic clamping welding machine has the advantages that automatic clamping welding is not needed, certain protection effect is provided for operators, the equipment structure is simple, safety and convenience are achieved, and the yield of products is improved.

Description

Mask ear belt welding machine

Technical Field

The invention belongs to the field of mask production equipment, and particularly relates to a mask ear belt welding machine.

Background

The gauze mask includes gauze mask main part and ear area, and the ear area sets up on gauze mask main part both sides, and the effect of ear area is fixed the gauze mask main part in order to reach filtered air's effect in user's face, and along with novel coronavirus epidemic situation spreads in the outbreak of the whole world, disposable gauze mask supplies short supply, and how to improve the production efficiency of disposable gauze mask becomes the focus that numerous producers were concerned about.

The gauze mask ear area welding mode is comparatively common is single spot welder and double spot welder, single spot welding is by artifical one hand take the gauze mask one hand take the ear area one point accomplish the welding, double spot welding is two points of a fusion welding completion one side ear area, again with the rotatory opposite side welding of accomplishing of gauze mask, the ear area length of operating personnel at every turn intercepting in the ear area welding process is the same, wear to the user and cause certain puzzlement, and the welding bench sets up a station mostly, the ear area is not only easy skew gauze mask splice and still drops easily during the welding, need artifical once hand spot welding, work efficiency is low and under long-time operation, equipment also can bring some potential safety hazards to the staff.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a mask ear band welding machine which can control the length of each section of ear band, is safe and convenient and can improve the working efficiency aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a mask ear strap welding machine is presented, comprising: a frame;

the feeding mechanism is arranged on the rack and used for conveying the ear belt with the preset length;

the pulling mechanism is arranged on the rack and used for pulling the ear belt;

the grabbing mechanism is arranged on the rack, and can clamp the ear belt after the ear belt is pulled by the pulling mechanism;

the intercepting mechanism is arranged on the rack and is positioned between the feeding mechanism and the grabbing mechanism, and after the grabbing mechanism clamps the ear belt, the intercepting mechanism cuts off the ear belt between the feeding mechanism and the grabbing mechanism;

and the welding mechanism is used for welding the ear belt on the grabbing mechanism.

In the above mask ear strip welding machine, the feeding mechanism includes:

the material plate is fixedly connected with the support frame;

the driving assembly is arranged on the material plate and used for conveying the ear belt;

the guide rod is arranged on the material plate;

the adjusting wheel is movably arranged in the guide rod, and the ear belt is wound on the adjusting wheel;

the sensor is connected with the material plate;

when the driving component conveys the ear belt, the adjusting wheel can move downwards, and when the adjusting wheel moves downwards and is level with the sensor, the driving component stops conveying the ear belt.

In an above-described mask ear strap welding machine, the guide bar includes:

the two fixing rods are vertically arranged, and each fixing rod is connected with the material plate;

the limiting pipe is sleeved on any one of the fixing rods and used for limiting the adjusting wheel;

the adjusting wheel is provided with a first connecting part and a second connecting part, the first connecting part is movably connected with the two fixing rods, and the second connecting part is used for conveying the ear belt.

In a mask ear strap welder as above, said drive assembly comprising: the driving motor is arranged on the rack;

the driving wheel is rotatably arranged on the rack and is connected with the driving motor;

and the clamping wheel is rotatably arranged on the frame and is abutted against the driving wheel.

In the mask ear belt welding machine, more than two lead plates are arranged on the rack, and the lead plates are uniformly distributed above the driving assembly and below the guide rod.

In the above mask ear strip welding machine, the pulling mechanism includes: a guide rail provided on the workpiece table;

the bottom plate is movably arranged on the guide rail;

the stretching cylinder is arranged on the rack and connected with the bottom plate;

the clamping cylinder is arranged on the rack;

and the stretching clamping jaw is connected to the clamping cylinder.

In the above mask ear strip welding machine, the grasping mechanism includes:

the first lifting cylinder is arranged on the rack, and the lower end of the first lifting cylinder is provided with an installation plate;

the first rotary cylinder is arranged on the mounting plate, and a first clamping jaw is arranged at the lower end of the first rotary cylinder;

the second rotary cylinder is arranged on the mounting plate and positioned on the side of the first rotary cylinder, and a second clamping jaw is arranged at the lower end of the second rotary cylinder;

first lift cylinder is used for driving the mounting panel and reciprocates, first revolving cylinder second revolving cylinder can drive respectively first clamping jaw, second clamping jaw are rotatory, make first clamping jaw and second clamping jaw be close to each other or keep away from each other.

In the mask ear belt welding machine, the cutting mechanism is provided with a cutting cylinder and scissors, the cutting cylinder is installed on the rack, the scissors are located between the stretching clamping jaw and the adjusting wheel, and the scissors are connected with the cutting cylinder.

In an above-described mask ear band welding machine, the welding mechanism includes:

the welding table is arranged on the rack;

the sonic welder is arranged at the lower end of the rack;

the second lifting cylinder is arranged on the rack, and a pressure column is arranged at the lower end of the second lifting cylinder and is positioned above the sound wave welding device;

when the second lifting cylinder works, the pressing column can be driven to abut against the sound wave welding device.

In the mask ear belt welding machine, the controller is arranged on the rack and used for controlling the welding machine to act, the back end of the rack is further provided with the basic operation box, the basic operation box is provided with the cylinder connecting frame, and one end of the stretching cylinder is connected to the cylinder connecting frame.

Compared with the prior art, the invention has the advantages that the welding machine can ensure that the lengths of the ear belts intercepted by the intercepting mechanism each time are the same through the mutual matching of the guide rod, the adjusting wheel and the sensor; the phenomenon that the earbelt coils are mutually wound during conveying of the earbelt can be well avoided through the driving assembly and the lead plate, and the effect of preventing the earbelt from knotting is achieved; the welding machine is double-station, and the two identical welding frames are arranged on the machine frame, so that the working efficiency can be effectively improved; the material is taken and placed on the welding mechanism through the grabbing mechanism and the pulling mechanism, automatic clamping and welding are adopted, manual operation is not needed, and a certain protection effect is provided for operators; the equipment has a simple structure, is safe and convenient, and improves the yield of products.

Drawings

FIG. 1 is a schematic diagram of a mask ear strap welder according to the present invention;

FIG. 2 is a schematic structural view of a feeding mechanism of a mask ear strip welding machine according to the present invention;

FIG. 3 is a schematic diagram of a mask ear strap welder according to the present invention;

fig. 4 is a schematic structural view of a mask ear strap welding machine according to the present invention.

In the figure, 1, a frame; 2. a feeding mechanism; 3. a pulling mechanism; 4. a grabbing mechanism; 5. an intercepting mechanism; 6. a welding mechanism; 7. a controller; 8. a capital case; 21. a material plate; 22. a drive assembly; 23. a guide bar; 24. an adjustment wheel; 25. a sensor; 26. a lead plate; 221. a drive motor; 222. a drive wheel; 223. a pinch wheel; 231. fixing the rod; 232. a limiting pipe; 241. a first connection portion; 242. a second connecting portion; 31. a guide rail; 32. a base plate; 33. stretching the cylinder; 34. a clamping cylinder; 35. stretching the clamping jaw; 36. a cylinder connecting frame; 41. a first lifting cylinder; 42. a first rotary cylinder; 43. a second rotary cylinder; 44. a first jaw; 45. a second jaw; 51. intercepting a cylinder; 52. scissors; 61. a welding table; 62. a sonic welder; 63. a second lifting cylinder; 64. and (5) pressing the column.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the mask ear band welding machine comprises: a frame 1; the feeding mechanism 2 is arranged on the rack 1, and the feeding mechanism 2 is used for conveying the ear belt with the preset length; the pulling mechanism 3 is arranged on the rack 1, and the pulling mechanism 3 is used for pulling the ear belt; the grabbing mechanism 4 is arranged on the rack 1, and when the ear belt is pulled by the pulling mechanism 3, the grabbing mechanism 4 can clamp the ear belt; the intercepting mechanism 5 is arranged on the rack 1, the intercepting mechanism 5 is positioned between the feeding mechanism 2 and the grabbing mechanism 4, and after the grabbing mechanism 4 clamps the ear belt, the intercepting mechanism 5 cuts off the ear belt between the feeding mechanism and the grabbing mechanism 4; and the welding mechanism 6 is used for welding the ear belt on the grabbing mechanism.

Be provided with on frame 1 and put the thing board, it can be used to place unprocessed gauze mask to put the thing board, the workman puts into welding mechanism 6 with no ear area gauze mask semi-manufactured goods, the ear area is adjusted and is carried 5 departments of intercepting mechanism through feeding mechanism 2, it draws to get the 3 actions of mechanism and draws the ear area and get and snatch mechanism 4 departments, snatch mechanism 4 action down and snatch after that, the ear area snatchs when succeeding in intercepting mechanism 5 cuts the ear area, snatch mechanism 4 action upwards and rotatory after that, welding mechanism 6 carries out the ultrasonic fusion welding of gauze mask ear area.

As shown in fig. 2, preferably, the feeding mechanism 2 includes: the material plate 21 is fixedly connected with the support frame; the driving assembly 22 is arranged on the material plate 21, and the driving assembly 22 is used for conveying the ear belt; a guide bar 23 mounted on the material plate 21; an adjusting wheel 24 movably arranged in the guide rod 23, and the ear belt is wound on the adjusting wheel 24; a sensor 25 connected to the material plate 21; the adjustment wheel 24 can move downward when the drive assembly 22 is feeding the ear strap, and the drive assembly 22 stops feeding the ear strap when the adjustment wheel 24 moves downward flush with the sensor 25.

The material plate 21 is arranged at the side end of the frame 1, the material plate 21 is positioned above the frame 1, the material plate 21 is provided with an ear belt coil placing rod and a connecting bolt, so that a subsequent ear belt can be easily conveyed to the position of the pulling mechanism 3 when conveyed downwards, the ear belt is clamped through the driving assembly 22, the ear belt is conveyed to the adjusting wheel 24 through the driving assembly 22, the driving assembly 22 conveys the ear belt, when the ear belt enters the adjusting wheel 24 and is conveyed to the pulling mechanism 3, the pulling mechanism 3 pulls the ear belt, the adjusting wheel 24 is subjected to the fast pulling inertia force to slide upwards on the guide rod 23, the cutting mechanism 5 finishes cutting the stretched ear belt, then the ear belt will retract, the adjusting wheel 24 will slide downwards under its own weight, when the adjusting wheel 24 moves downwards to be flush with the sensor 25, the driving component 22 stops conveying the ear belt, the length of the ear strap pulled out from each segment can be made equal by the cooperation of the sensor 25 and the adjusting wheel 24.

Further preferably, the guide bar 23 comprises: two vertically arranged fixing rods 231, wherein each fixing rod 231 is connected with the rack 1; a limiting pipe 232 sleeved on any one of the fixing rods 231, the limiting pipe 232 being used for limiting the adjusting wheel 24; and an adjusting wheel 24 having a first connecting portion 241 and a second connecting portion 242, wherein the first connecting portion 241 is movably connected with the two fixing rods 231, and the second connecting portion 242 is used for conveying the ear belt.

The fixed block is arranged at both ends of the fixed rod 231, the first connecting portion 241 and the second connecting portion 242 are circular roller grooves, the first connecting portion 241 abuts against the two fixed rods 231, the first connecting portion 241 can freely slide on the fixed rods 231, the fixed rods 231 are fixed on the material plate 21 through the fixed blocks, the limiting pipe 232 prevents the adjusting wheel 24 from instantaneously upwards sliding too high, the ear belt is easy to tie off, when the ear belt is conveyed, the first connecting portion 241 can be downward due to the self inertia of the adjusting wheel 24, when the adjusting wheel 24 reaches the position of the sensor 25, the driving assembly 22 stops acting.

Further preferably, the drive assembly 22 comprises: a driving motor 221 provided on the frame 1; a driving wheel 222 rotatably disposed on the frame 1 and connected to the driving motor 221; and a clamping wheel 223 which is rotatably arranged on the frame 1 and is abutted against the driving wheel 222.

When the device is started, the driving motor 221 drives the driving wheel 222 to abut against the clamping wheel 223, and the ear belt is placed into the lower second connecting part 242 through the matching of the driving wheel 222 and the clamping wheel 223.

More preferably, more than two lead plates 26 are disposed on the frame 1, and the lead plates 26 are uniformly arranged above the driving assembly 22 and below the guide rod 23.

The ear belt passes through the wire leading holes on the wire leading plates 26 through the adjusting wheel 24, the ear belt reaches the pulling mechanism 3 through the traction of each wire leading plate 26, and the anti-knotting plate is further installed at the pulling mechanism 3, so that the anti-knotting function is further realized.

As shown in fig. 3 or 4, preferably, the pulling mechanism 3 includes: a guide rail 31 provided on the workpiece table; a bottom plate 32 movably disposed on the guide rail 31; a stretching cylinder 33 which is arranged on the frame 1 and connected with the bottom plate 32; a clamping cylinder 34 provided on the frame 1; and a tension jaw 35 connected to the clamp cylinder 34.

The guide rail 31 has a sliding rail and a sliding block, the sliding rail is arranged on the rack 1, the sliding block is connected with the bottom plate 32, the guide rail 31 is arranged to facilitate the stretching clamping jaw 35 to grab the ear belt, when the ear belt is conveyed to the intercepting part of the intercepting mechanism 5, the stretching cylinder 33 pushes out the bottom plate 32 connected with the stretching cylinder 33, the bottom plate 32 connected with the sliding block moves forwards on the sliding rail, when the bottom plate 32 is pushed to a certain position, the clamping cylinder 34 drives the stretching clamping jaw 35 to grab the ear belt, and then the stretching cylinder 33 drives the bottom plate 32 to reset.

Preferably, the gripping mechanism 4 comprises: the first lifting cylinder 41 is arranged on the rack 1, and the lower end of the first lifting cylinder 41 is provided with an installation plate; a first rotary cylinder 42 arranged on the mounting plate, wherein a first clamping jaw 44 is arranged at the lower end of the first rotary cylinder 42; a second rotary cylinder 43 which is arranged on the mounting plate and is positioned at the side of the first rotary cylinder 42, and a first clamping jaw 45 is arranged at the lower end of the second rotary cylinder 43; first lift cylinder 41 is used for driving the mounting panel and reciprocates, and first revolving cylinder 42, second revolving cylinder 43 can drive first clamping jaw 44, first clamping jaw 45 rotation respectively, make first clamping jaw 44 and first clamping jaw 45 be close to each other or keep away from each other.

The first lifting cylinder 41 acts, the first clamping jaw 44 and the first clamping jaw 45 below the mounting plate simultaneously grab the ear belts at the respective ends, the intercepting mechanism 5 cuts off the ear belts at the first clamping jaw 44, then the first lifting cylinder 41 resets, after the first lifting cylinder 41 resets, the first rotating cylinder 42 and the second rotating cylinder 43 simultaneously rotate, the first rotating cylinder 42 rotates 90 degrees clockwise, the second rotating cylinder 43 rotates 90 degrees counterclockwise, and the first rotating cylinder 42 and the second rotating cylinder 43 place the respective grabbed ear belts on the welding mechanism 6.

It is further preferred that the cutting mechanism 5 has a cutting cylinder 51 and scissors 52, the cutting cylinder 51 being mounted on the frame 1, the scissors 52 being located between the stretching j aws 35 and the adjustment wheel 24, the scissors 52 being connected to the cutting cylinder 51.

When the first jaw 44 and the first jaw 45 both grip the ear strap, the scissors 52 connected to the cutting cylinder 51 are sequentially operated to cut the ear strap at the mouth of the scissors 52.

Preferably, the welding mechanism 6 comprises: a welding table 61 arranged on the frame 1; a sonic welder 62 arranged at the lower end of the frame 1; the second lifting cylinder 63 is arranged on the rack 1, the lower end of the second lifting cylinder 63 is provided with a pressing column 64, and the pressing column 64 is positioned above the sonic welder 62; when the second lifting cylinder 63 works, the pressing column 64 can be driven to abut against the sonic welder 62.

The sound wave welding ware 62 comprises sound generator and fan, and on the welding bench 61 was placed to the gauze mask, the downward action of second lift cylinder 63, the compression leg 64 pressed ear area and gauze mask to sound wave welding ware 62 on, then the sound wave melting was in the same place gauze mask and ear area welding, after the welding was accomplished, sound wave welding ware 62 stopped the action, second lift cylinder 63 resets, take out the gauze mask that welds well after that, still be provided with the limiting plate on the welding bench 61, prevent that compression leg 64 from deviating.

Preferably, the frame 1 is provided with a controller 7, the controller 7 is used for controlling the action of the welding machine, the back end of the frame 1 is also provided with a basic operation box 8, the basic operation box 8 is provided with a cylinder connecting frame 36, and one end of the stretching cylinder 33 is connected with the cylinder connecting frame 36.

Controller 7 can be divided into control box and footboard, and the manual work can be pressed through the footboard, makes the control box pass through modes such as PLC programming and controls above-mentioned mechanism action, has also improved work efficiency when safe, and article can be deposited to basic industry case 8, and the cylinder link 36 that sets up on basic industry case 8 can prevent that tensile cylinder 33 from appearing rocking when feeding, plays fixed and guard action for tensile cylinder 33.

The work principle is that a semi-finished mask is placed on a welding table 61, an ear band coil is placed on an ear band coil placing rod, an ear band penetrates through a lead plate 26 above, a pedal is pressed, a driving motor 221 is started firstly, a driving wheel 222 abutting against a clamping wheel 223 starts to rotate clockwise, the ear band is placed into the driving wheel 222 to be pressed downwards, the pressed ear band and a second connecting portion 242 on the driving wheel 222 are wound to pass through a connecting bolt above the driving wheel 222 and are connected to a lead hole on the lead plate 26 below a rack 1 again, a stretching cylinder 33 starts to act, the stretching cylinder 33 pushes a stretching clamping jaw 35 arranged on a bottom plate 32 forwards along a track, when the stretching clamping jaw 35 is located at a position to be pulled, the stretching cylinder 33 connected with the stretching clamping jaw 35 acts, the stretching clamping jaw 35 pulls the ear band to reset, then a first lifting cylinder 41 drives a first clamping jaw 44 and a first clamping jaw 45 to move downwards, when the first clamping jaw 44 and the first clamping jaw 45 are located at the ear belt grabbing position, the ear belt grabbing is simultaneously tensioned and grabbed, then the intercepting cylinder 51 acts, the intercepting cylinder 51 controls the scissors 52 to cut off the ear belt which is grabbed at the redundant position, the first rotating cylinder 42 and the second rotating cylinder 43 respectively drive the first clamping jaw 44 and the first clamping jaw 45 to rotate, the first clamping jaw 44 rotates along the pointer by 90 degrees, the first clamping jaw 45 rotates anticlockwise by 90 degrees, the ear belt is clamped to the welding table 61 by the first clamping jaw 44 and the first clamping jaw 45, finally the second lifting cylinder 63 acts, the pressing column 64 downwards extrudes the ear belt and the mask, the sound wave welding device 62 sends out ultrasonic waves to weld after the pressing is completed, the mask and the ear belt are fused into a whole, after the sound waves of the sound wave welding device 62 are completed, the first rotating cylinder 42, the second rotating cylinder 43 and the second lifting cylinder 63 reset, and then the welded mask is manually taken out.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A mask ear strap welder, comprising:

a frame;

2. The mask ear strap welder of claim 1, wherein the feed mechanism comprises:

the material plate is fixedly connected with the support frame;

the guide rod is arranged on the material plate;

the sensor is connected with the material plate;

3. The mask ear strap welder of claim 2, wherein the guide bar comprises:

4. The mask ear strap welder of claim 3, wherein the drive assembly comprises:

the driving motor is arranged on the rack;

5. The mask ear strap welding machine according to claim 2, wherein more than two lead plates are arranged on the frame, and the lead plates are uniformly arranged above the driving assembly and below the guide rod.

6. The mask ear strap welder of claim 1, wherein the pulling mechanism comprises: a guide rail provided on the workpiece table;

the bottom plate is movably arranged on the guide rail;

the clamping cylinder is arranged on the rack;

and the stretching clamping jaw is connected to the clamping cylinder.

7. The mask ear strap welder of claim 1, wherein the grasping mechanism comprises:

8. The mask ear strap welder of claim 7, wherein the intercepting mechanism has an intercepting cylinder mounted on the frame and a scissors positioned between the tension jaw and the adjustment wheel, the scissors coupled to the intercepting cylinder.

9. The mask ear strap welder of claim 8, wherein the welding mechanism comprises:

the welding table is arranged on the rack;

the sonic welder is arranged at the lower end of the rack;

10. The mask ear belt welding machine according to claim 6, wherein a controller is arranged on the rack and used for controlling the action of the welding machine, a basic operation box is further installed at the rear end of the rack and provided with a cylinder connecting frame, and one end of the stretching cylinder is connected to the cylinder connecting frame.