CN213500897U

CN213500897U - Mask ear belt welding machine

Info

Publication number: CN213500897U
Application number: CN202021305713.6U
Authority: CN
Inventors: 丁斌; 梁远威; 梁佳华; 潘奇才; 文爱
Original assignee: Guangdong Shunde Huazhuo Machinery Science & Technology Co ltd
Current assignee: Guangdong Shunde Huazhuo Machinery Science & Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-06-22
Anticipated expiration: 2030-07-06

Abstract

A mask ear belt welding machine comprises a supporting rack, wherein a left mask ear belt welding mechanism and a right mask ear belt welding mechanism are arranged on the supporting rack, the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are respectively provided with a welding assembly and an ear belt orienting assembly, an ear belt guiding assembly for conveying an ear belt is arranged on the supporting rack, cloth of the ear belt is conveyed to the ear belt orienting assembly through the ear belt guiding assembly, a plurality of reciprocating mask positioning plates are further arranged on the supporting rack, a chain wheel transmission pair is arranged in the supporting rack, the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are respectively provided with an ear belt off-line assembly, and a first hollow-out avoiding position is formed on each mask positioning; the left and right mask ear band welding mechanisms are further provided with sensors used for sensing the masks, and mask positioning plates are further provided with positions used for avoiding the bridge of the nose of the mask. The utility model discloses the gauze mask locating plate is equipped with the second that acts as the sensor induction point and keeps away the vacancy and can reduce the equipment error rate, if the second keeps away the vacancy and is detected the vacancy, can directly skip, avoids extravagant material and production time.

Description

Mask ear belt welding machine

Technical Field

The utility model relates to a welding machine specifically is a gauze mask ear strap welding machine, the ear strap of the concretely suitable welding N95 gauze mask.

Background

After the ear band is welded by a common mask ear band welding machine, cloth needs to be cut off, then the mask and the ear band cloth are separated, and then the next mask is welded, and a common cutting device is a pneumatic shear, so that the pneumatic shear can be used after being inflated, but the cost is high and the size is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure is reasonable, and the cost of manufacture is lower, and the installation is nimble swift, is applicable to the gauze mask ear area welding machine of the ear area of welding N95 gauze mask to overcome the weak point among the prior art.

The mask ear belt welding machine comprises a supporting rack, wherein a left mask ear belt welding mechanism and a right mask ear belt welding mechanism are arranged on the supporting rack, the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are opposite to each other and are arranged in a staggered mode, each of the left mask ear belt welding mechanism and the right mask ear belt welding mechanism is provided with a welding assembly and an ear belt directional assembly, an ear belt guide assembly for conveying an ear belt is arranged on the supporting rack, cloth of the ear belt is conveyed to the ear belt directional assembly through the ear belt guide assembly, a plurality of reciprocating mask positioning plates are further arranged on the supporting rack, a chain wheel transmission pair is arranged in the supporting rack, the mask positioning plates are fixed on a chain at one end of the chain wheel transmission pair, the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are respectively provided with an ear belt off-line assembly, and the mask positioning plates are provided with; left and right gauze mask ear area welding mechanism one side still is equipped with the sensor that is used for responding to the gauze mask, still is equipped with on the gauze mask locating plate to be used for dodging the gauze mask bridge of the nose position to and act as the second of sensor induction point and keep away the vacancy.

The second clearance position serving as a sensor sensing point can reduce the error rate of equipment, and if the second clearance position is detected to be vacant, the second clearance position can be directly skipped, so that the material waste and the production time are avoided.

The welding assembly comprises a base fixed on the supporting rack, a front vertical plate and a rear vertical plate which are arranged at a front interval and a rear interval are arranged on the base, the welding assembly also comprises a welding head which is matched and connected with the rear vertical plate, a push plate is arranged at the rear side of the rear vertical plate, a first connecting shaft and a first compression spring are arranged between the rear vertical plate and the push plate, the first connecting shaft penetrates through the rear vertical plate and the push plate, and the first compression spring is sleeved on the outer surface of the first connecting shaft; a second connecting shaft and a second compression spring are arranged between the front vertical plate and the push plate, the second connecting shaft penetrates through the push plate, one end of the second connecting shaft is fixedly connected with the front vertical plate, the second compression spring is sleeved on the outer surface of the second connecting shaft, a limiting block is further arranged on the second connecting shaft, and the limiting block is positioned on one side of the second compression spring; the push plate rear side is equipped with first cylinder, is equipped with first piston rod in the first cylinder, and first piston rod and push plate cooperation are connected to promote the push plate and then extrude first, second compression spring. The first and second compression springs are pressed against the cylinder.

The ear belt wire-releasing component comprises a second cylinder located on the rear side of the front vertical plate, a second piston rod is arranged in the second cylinder, and the second piston rod is connected with the release hook in a matched mode so that the second piston rod can push the release hook.

Be equipped with the slide rail on the base, preceding riser is equipped with the slider respectively with the below of back riser, and slider and slide rail sliding fit reduce sliding friction.

Left and right gauze mask ear area welding mechanism is equipped with respectively and is used for driving directional subassembly pivoted drive assembly in ear area, and drive assembly includes the motor, and the riser before the motor shaft of motor runs through, and the place ahead of riser before the directional subassembly in ear area is located and be equipped with the pivot between the two, and pivot and motor shaft carry out the transmission through drive belt, gear and connect.

Still be equipped with the mechanism that cuts that is used for cutting the ear area cloth in the supporting rack, cut the mechanism and include the fixed third cylinder that sets up on the fixed plate, be equipped with the guide sleeve on fixed plate one side, be equipped with the third piston rod in the third cylinder, be equipped with the guide post in the guide sleeve, guide post one end is equipped with the guide block, third piston rod one end is equipped with the connecting block towards the guide block, be equipped with third compression spring between connecting block and the guide block, cut the mechanism and still include the scissors subassembly of being connected with the connecting block cooperation.

The guide post is inserted into the guide sleeve, and a fastening limiting part is arranged at the rear end of the guide sleeve on the guide post.

The connecting block is equipped with the spout, is equipped with the locating piece in the spout, and the scissors subassembly is equipped with the spliced pole that is used for connecting the cutter including rotating the cutter that sets up in the connecting block.

The support frame is equipped with complementary unit on the opposite direction of welding subassembly, and complementary unit includes the fourth cylinder, is equipped with the piston rod in the fourth cylinder, and the one end of piston rod is equipped with the clamp plate, the one end and the clamp plate fixed connection of piston rod.

The utility model has the advantages as follows:

a. a first hollow avoiding position is formed on the mask positioning plate to avoid unhooking of the ear band wire-releasing assembly; a sensor for sensing the mask is further arranged on one side of the left mask ear belt welding mechanism and one side of the right mask ear belt welding mechanism, and a second avoidance position for avoiding the bridge of the nose of the mask and serving as a sensor sensing point is further arranged on the mask positioning plate; the second clearance position serving as a sensor sensing point can reduce the error rate of equipment, and if the second clearance position is detected to be empty, the second clearance position can be directly skipped, so that the waste of materials and production time is avoided;

b. the first piston rod is connected with the push plate in a matching way so as to push the push plate to extrude the first compression spring and the second compression spring to offset the thrust of the cylinder;

c. the limiting block is positioned on one side of the second compression spring, and the extrusion force of the spring is adjusted by adjusting the position of the limiting block;

d. the cutting mechanism comprises a third air cylinder fixedly arranged on the fixed plate, a guide sleeve is arranged on one side of the fixed plate, a third piston rod is arranged in the third air cylinder, a guide column is arranged in the guide sleeve, a guide block is arranged at one end of the guide column, a connecting block is arranged towards the guide block at one end of the third piston rod, a third compression spring is arranged between the connecting block and the guide block, and the cutting mechanism also comprises a scissors assembly which is matched and connected with the connecting block; the cutting mechanism which is independently assembled is adopted, the original pneumatic cutting structure is cancelled, the maintenance cost is relatively low, the size is small, and the structure is compact.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a mask ear belt welding machine according to an embodiment of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure of the mask ear band welding machine according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a schematic perspective view of a welding assembly according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a welding assembly according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of another orientation of the welding assembly according to an embodiment of the present invention.

Fig. 7 is a schematic perspective view of a cutting mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic view of a partially exploded structure of a cutting mechanism according to an embodiment of the present invention.

Fig. 9 is a schematic view of a partial cross-sectional structure of a cutting mechanism according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-3, a mask ear belt welding machine comprises a supporting frame 1, wherein a left mask ear belt welding mechanism and a right mask ear belt welding mechanism are arranged on the supporting frame 1, the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are opposite to each other and are arranged in a staggered manner, the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are respectively provided with a welding assembly and an ear belt directional assembly 2, an ear belt guide assembly 3 for conveying an ear belt is arranged on the supporting frame 1, cloth of the ear belt is conveyed to the ear belt directional assembly 2 through the ear belt guide assembly 3, a plurality of reciprocating mask positioning plates 4 are also arranged on the supporting frame 1, a chain wheel transmission pair 29 is arranged in the supporting frame 1, and the mask positioning plates 4 are fixed on a chain at one end of; the left mask ear band welding mechanism and the right mask ear band welding mechanism are respectively provided with an ear band wire-releasing component, and the mask positioning plate 4 is provided with a first hollow-out avoiding position 4.1 for avoiding a unhooking 13 of the ear band wire-releasing component; left and right gauze mask ear area welding mechanism one side still is equipped with the sensor that is used for responding to the gauze mask, still is equipped with on gauze mask locating plate 4 to be used for dodging the gauze mask bridge of the nose position to and act as the second of sensor induction point and keep away vacancy 4.2.

Referring to fig. 4-6, the welding assembly includes a base 5 fixed on the supporting frame 1, a front vertical plate 6 and a rear vertical plate 7 are arranged on the base 5 at a distance from each other, the welding assembly further includes a welding head connected with the rear vertical plate 7 in a matching manner, a push plate 8 is arranged on the rear side of the rear vertical plate 7, a first connecting shaft and a first compression spring 9 are arranged between the rear vertical plate 7 and the push plate 8, the first connecting shaft penetrates through the rear vertical plate 7 and the push plate 8, and the first compression spring 9 is sleeved on the outer surface of the first connecting shaft; a second connecting shaft and a second compression spring 10 are arranged between the front vertical plate 6 and the push plate 8, the second connecting shaft penetrates through the push plate 8, one end of the second connecting shaft is fixedly connected with the front vertical plate 6, the second compression spring 10 is sleeved on the outer surface of the second connecting shaft, a limiting block 11 is further arranged on the second connecting shaft, and the limiting block 11 is positioned on one side of the second compression spring 10; the rear side of the push plate 8 is provided with a first cylinder 16, a first piston rod 17 is arranged in the first cylinder 16, and the first piston rod 17 is connected with the push plate 8 in a matching manner so as to push the push plate 8 to extrude the first and second compression springs 9 and 10.

In the implementation, the front vertical plate 6 is connected in series with the push plate 8 through the linear bearing, the second connecting shaft, the second compression spring 10, the limiting block 11 and the blocking piece; the rear vertical plate 7 is connected with the push plate 8 in series through a first connecting shaft, a first compression spring 9 and a blocking piece.

The first piston rod 17 extends out to push the push plate 8 connected with the first piston rod to move forwards; in the process of forward translation of the push plate 8, under the action of the first compression spring 9 and the second compression spring 10, the front vertical plate 6 and the mechanism where the front vertical plate 6 is located, the rear vertical plate 7 and the mechanism where the rear vertical plate 7 is located are driven together to move forward, and the slide block 14 and the slide rail 5.1 are used for motion guidance.

After the front vertical plate 6 and the connected ear strap orienting component 2 reach the position point of the mask positioning plate 4, the auxiliary mechanism 28 on the opposite surface of the front vertical plate 6 reaches the other surface of the mask positioning plate 4 in advance, and the cylinder force of the auxiliary mechanism 28 is larger than the thrust of the first piston rod 17, so that the ear strap orienting component 2 stops at the position of the mask positioning plate 4 and flattens the mask; two welding heads on the rear vertical plate 7 mechanism do not reach the mask positioning plate 4, so that the mask positioning plate continues to move forwards under the pushing of the first piston rod 17 until the mask positioning plate 4 is reached, and at the moment, under the action of the cylinder force, the welding heads have pressure on the mask, and the ultrasonic wave works to complete welding.

After welding, the unhooking 13 moves forwards under the pushing of the second piston rod 12 to separate the welded ear belt line from the ear belt orienting component 2, and then the first piston rod 17 retracts to drive the mechanism where the front vertical plate 6 and the rear vertical plate 7 are located to return and reset under the action of the blocking piece.

Ear area thread slipping component is equipped with second piston rod 12 including being located the second cylinder 19 of preceding riser 6 rear side in the second cylinder 19, and second piston rod 12 and unhook 13 cooperation are connected to make second piston rod 12 promote unhook 13.

The base 5 is provided with a slide rail 5.1, the lower parts of the front vertical plate 6 and the rear vertical plate 7 are respectively provided with a slide block 14, and the slide block 14 is in sliding fit with the slide rail 5.1.

Left and right gauze mask ear area welding mechanism is equipped with respectively and is used for driving 2 pivoted drive assembly in the directional subassembly of ear area, and drive assembly includes motor 15, and riser 6 before motor 15's motor shaft runs through, and the directional subassembly 2 in ear area is located the place ahead of riser 6 before, and is equipped with the pivot between the two, and pivot and motor shaft carry out the transmission through drive belt, gear and connect.

In this embodiment, motor 15 drives the belt, and the belt drives directional subassembly 2 of ear area and rotates, before welding at every turn, makes directional subassembly 2 of ear area rotatory half a circle, and the rotation process is the process around the rope.

Referring to fig. 7-9, a cutting mechanism for cutting the ear band cloth material is further arranged on the supporting frame 1, the cutting mechanism includes a third cylinder 20 fixedly arranged on the fixing plate 21, a guide sleeve 22 is arranged on one side of the fixing plate 21, a third piston rod 23 is arranged in the third cylinder 20, a guide post 24 is arranged in the guide sleeve 22, a guide block 25 is arranged at one end of the guide post 24, a connecting block 26 is arranged at one end of the third piston rod 23 towards the guide block 25, a third compression spring 27 is arranged between the connecting block 26 and the guide block 25, and the cutting mechanism further includes a scissors assembly cooperatively connected with the connecting block 26.

The guide post 24 is inserted into the guide sleeve 22, and a fastening stopper is provided at the rear end of the guide sleeve 22 on the guide post 24.

The connecting block 26 is provided with a sliding groove 26.1, a positioning block 26.2 is arranged in the sliding groove 26.1, the scissors assembly comprises a cutter 27 rotatably arranged in the connecting block 26, and a connecting column 26.3 used for connecting the cutter 27 is arranged in the connecting block 26.

In this embodiment, the third piston rod 23 drives the guide post 24, and a fastening limiting member (such as a nut) is disposed at the rear end of the guide sleeve 22 to limit; when the guide sleeve 22 contacts the linear bearing or the fixing plate 21, the guide block 25 connected with the guide post 24 stops moving forward, at this time, the stroke of the third piston rod 23 of the third cylinder 20 is not finished, the connecting block 26 connected with the third piston rod 23 can also move forward, and the stroke of moving forward is the stroke of closing the two cutters 27.

The connecting piece 26 presses the third compression spring 27 against the guide piece 25 during the further forward travel.

Referring to fig. 1 and 2, the support frame 1 is provided with an auxiliary mechanism 28 in the opposite direction of the welded assembly, and the connecting block 26 moves forward along the positioning block 26.2 through the sliding slot 26.1 to close the two cutters 27.

The auxiliary mechanism 28 includes a fourth cylinder, a piston rod is disposed in the fourth cylinder, a pressing plate is disposed at one end of the piston rod, and one end of the piston rod is fixedly connected to the pressing plate.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A mask ear belt welding machine comprises a supporting rack (1), wherein a left mask ear belt welding mechanism and a right mask ear belt welding mechanism are arranged on the supporting rack (1), the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are opposite to each other and are arranged in a staggered mode, the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are respectively provided with a welding assembly and an ear belt directional assembly (2), an ear belt guiding assembly (3) for conveying an ear belt is arranged on the supporting rack (1), cloth of the ear belt is conveyed to the ear belt directional assembly (2) through the ear belt guiding assembly (3), a plurality of reciprocating mask positioning plates (4) are further arranged on the supporting rack (1), a chain wheel transmission pair (29) is arranged in the supporting rack (1), and the mask positioning plates (4) are fixed on a chain at one end of the chain; the left mask ear belt welding mechanism and the right mask ear belt welding mechanism are respectively provided with an ear belt off-line assembly, and the mask positioning plate (4) is provided with a first hollow-out avoiding position (4.1) for avoiding the unhooking (13) of the ear belt off-line assembly; left and right gauze mask ear area welding mechanism one side still is equipped with the sensor that is used for responding to the gauze mask, still is equipped with on gauze mask locating plate (4) to be used for dodging the gauze mask bridge of the nose position to and act as the second of sensor induction point and keep away vacancy (4.2).

2. The mask ear strap welding machine of claim 1, characterized in that: the welding assembly comprises a base (5) fixed on a supporting rack (1), a front vertical plate (6) and a rear vertical plate (7) which are arranged at a front interval and a rear interval are arranged on the base (5), the welding assembly also comprises a welding head which is connected with the rear vertical plate (7) in a matching way, a push plate (8) is arranged at the rear side of the rear vertical plate (7), a first connecting shaft and a first compression spring (9) are arranged between the rear vertical plate (7) and the push plate (8), the first connecting shaft penetrates through the rear vertical plate (7) and the push plate (8), and the first compression spring (9) is sleeved on the outer surface of the first connecting shaft; a second connecting shaft and a second compression spring (10) are arranged between the front vertical plate (6) and the push plate (8), the second connecting shaft penetrates through the push plate (8), one end of the second connecting shaft is fixedly connected with the front vertical plate (6), the second compression spring (10) is sleeved on the outer surface of the second connecting shaft, a limiting block (11) is further arranged on the second connecting shaft, and the limiting block (11) is positioned on one side of the second compression spring (10); push pedal (8) rear side is equipped with first cylinder (16), is equipped with first piston rod (17) in first cylinder (16), and first piston rod (17) and push pedal (8) cooperation are connected to promote push pedal (8) and then extrude first, second compression spring.

3. The mask ear strap welding machine of claim 2, characterized in that: ear area wire stripping assembly is equipped with second piston rod (12) including second cylinder (19) that are located preceding riser (6) rear side in second cylinder (19), second piston rod (12) and unhook (13) cooperation are connected to make second piston rod (12) promote unhook (13).

4. The mask ear strap welding machine of claim 2, characterized in that: the base (5) is provided with a slide rail (5.1), the lower parts of the front vertical plate (6) and the rear vertical plate (7) are respectively provided with a slide block (14), and the slide block (14) is in sliding fit with the slide rail (5.1).

5. The mask ear strap welding machine of claim 2, characterized in that: left and right gauze mask ear area welding mechanism is equipped with respectively and is used for driving directional subassembly (2) pivoted drive assembly in ear area, and drive assembly includes motor (15), and riser (6) before the motor shaft of motor (15) runs through, and ear area directional subassembly (2) are located the place ahead of riser (6) before, and are equipped with the pivot between the two, and pivot and motor shaft carry out the transmission through drive belt, gear and connect.

6. The mask ear strap welding machine according to any one of claims 1 to 5, characterized in that: still be equipped with the mechanism that cuts that is used for cutting the ear area cloth on supporting rack (1), cut the mechanism and include fixed third cylinder (20) that sets up on fixed plate (21), be equipped with guide sleeve (22) on fixed plate (21) one side, be equipped with third piston rod (23) in third cylinder (20), be equipped with guide post (24) in guide sleeve (22), guide post (24) one end is equipped with guide block (25), third piston rod (23) one end is equipped with connecting block (26) towards guide block (25), be equipped with third compression spring between connecting block (26) and guide block (25), cut the mechanism and still include the scissors subassembly of being connected with connecting block (26) cooperation.

7. The mask ear strap welding machine of claim 6, characterized in that: the guide post (24) is inserted into the guide sleeve (22), and a fastening limiting part is arranged at the rear end of the guide sleeve (22) on the guide post (24).

8. The mask ear strap welding machine of claim 6, characterized in that: connecting block (26) are equipped with spout (26.1), are equipped with locating piece (26.2) in spout (26.1), and the scissors subassembly is equipped with spliced pole (26.3) that are used for connecting cutter (27) including rotating cutter (27) of setting in connecting block (26).

9. The mask ear strap welding machine according to any one of claims 1 to 5, characterized in that: supporting frame (1) is equipped with complementary unit (28) on the opposite direction of welding subassembly, and complementary unit (28) include the fourth cylinder, are equipped with the piston rod in the fourth cylinder, and the one end of piston rod is equipped with the clamp plate, the one end and the clamp plate fixed connection of piston rod.