CN115229301A

CN115229301A - Intermittent ear wire welding equipment for mask production

Info

Publication number: CN115229301A
Application number: CN202211086162.2A
Authority: CN
Inventors: 毛一丹; 刘卫纳; 陈利娟
Original assignee: Henan Anbang Weicai Co ltd
Current assignee: Henan Anbang Weicai Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-10-25
Anticipated expiration: 2042-09-06
Also published as: CN115229301B

Abstract

The invention relates to ear wire welding equipment, in particular to intermittent ear wire welding equipment for mask production. Including the frame etc. rotate on the frame and connect and rotate the wheel, rotate the wheel and be used for pressing the ear line and move the effect of direction, rigid coupling plane board on the frame, characterized by still including electric putter, controller, crane, electric welding stick, backup pad, leading truck and feeding mechanism, is equipped with the controller on the frame, and frame upper portion is equipped with electric putter, and electric putter is equipped with the crane, is equipped with the electric welding stick on the crane. The electric welding rod on the lifting frame is moved downwards through the electric push rod, so that the electric welding rod can weld the mask and the ear wire placed on the supporting plate, and thus, the arrangement of electric devices is reduced.

Description

Intermittent ear wire welding equipment for mask production

Technical Field

The invention relates to ear wire welding equipment, in particular to intermittent ear wire welding equipment for mask production.

Background

The mask is a sanitary article, is generally worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell, virus and spray from entering and exiting the mouth and nose of a wearer, is mainly made of non-woven fabrics and gauze, has a certain filtering effect on the air entering the lung, and has a very good effect when being worn in respiratory infectious diseases and working in environments polluted by dust and the like. The existing mask generally adopts mask production equipment to carry out automated production, but the existing production welding equipment is used for welding ear lines on two sides on a plane mask at the same time, electric devices are too many, and the problem of too much power consumption in equipment operation is caused.

Therefore, the intermittent ear line welding equipment for producing the mask, which can save energy, is urgently needed to be provided.

Disclosure of Invention

In order to overcome the defects, the technical problems of the invention are as follows: the utility model provides a gauze mask production intermittent type formula ear wire welding equipment that can be energy-conserving.

The technical scheme of the invention is as follows: the utility model provides a gauze mask production intermittent type formula ear wire welding equipment, which comprises a frame, rotation wheel and plain noodles board, rotate on the frame and connect the rotation wheel, the rotation wheel is used for pressing the effect of moving the direction with the ear wire, rigid coupling plane board on the frame, characterized by, still including electric putter, a controller, the crane, the electric welding stick, the backup pad, leading truck and feeding mechanism, be equipped with the controller on the frame, frame upper portion is equipped with electric putter, electric putter is equipped with the crane, be equipped with the electric welding stick on the crane, be equipped with the backup pad on the frame, it is equipped with the leading truck to slide on the electric welding stick, be equipped with feeding mechanism on the frame, feeding mechanism is used for conveying the ear wire to electric welding stick below, electric putter is used for the electric welding stick downstream on the crane, the electric welding stick welds gauze mask and the ear wire of placing in the backup pad through the leading truck direction.

Particularly preferably, the feeding mechanism comprises an electric slide rail frame, a rotor, an electric clamping block, a wire guide wheel, an ear wire, a cutting mechanism, a material hooking mechanism and a pushing mechanism, the guide frame is connected with the electric slide rail frame, the rotor is arranged on the electric slide rail frame, the electric clamping block is arranged on the rotor, the wire guide wheel is arranged on the frame, the ear wire is wound on the wire guide wheel, the electric clamping block is used for clamping the ear wire, the electric clamping block is driven by the rotor to move on the electric slide rail frame, the cutting mechanism is used for cutting the ear wire during welding, the material hooking mechanism is used for pulling the ear wire inwards to enable the ear wire to have a certain radian, and the pushing mechanism is used for limiting the distance for pulling the ear wire inwards.

Particularly preferably, the cutting mechanism comprises a wire block, an air cylinder and a cutting knife, the wire block is arranged on the frame, the wire block is provided with the air cylinder, the cutting knife is arranged on the air cylinder, and the cutting knife on the driving air cylinder can cut off an ear line during welding.

Particularly preferably, the wire guide block is internally provided with a wire guide pipe, and the ear wire passes through the wire guide pipe in the wire guide block, so that the cut ear wire can be prevented from running out, and the clamping is convenient for the next time.

The material hooking mechanism comprises a supporting rod, a drag hook, a fixing rod, a reset spring, a double-faced wedge block and a wedge rod, the supporting rod is arranged on an electric slide rail frame, the drag hook is arranged on the supporting rod in a sliding mode, the fixing rod is fixedly connected to the drag hook, the reset spring is sleeved on the drag hook, the reset spring is arranged between the fixing rod and the supporting rod, the reset spring is used for resetting the drag hook, the double-faced wedge block is arranged on the drag hook, the wedge rod is connected to one side of a rotor, the rotor drives the wedge rod to move leftwards, and the double-faced wedge block is pushed by the wedge rod to drive the drag hook to pull an ear line.

Particularly preferably, pushing mechanism includes gag lever post, slide bar and extrusion spring, is equipped with the gag lever post on the electronic slide rail frame, and it is equipped with the slide bar to slide on the gag lever post, and the dead lever is connected to the one end of slide bar, and the cover has the extrusion spring on the gag lever post, and the extrusion spring is located between slide bar and the electronic slide rail frame, and the active cell drives the wedge pole and removes the extrusion slide bar left, and the slide bar passes through the dead lever and drives the drag hook and inwards move, makes the ear line on the drag hook inwards move.

Particularly preferably, the mask conveying device further comprises a conveying mechanism, the conveying mechanism comprises a synchronizing wheel, a synchronous belt, a pressure wheel, a one-way gear and a rack, the synchronizing wheel is arranged on the left side and the right side of the frame, the synchronous belt is sleeved on the front side and the rear side of the synchronizing wheel, the pressure wheel is arranged in the synchronous belt and meshed with the synchronous belt, the one-way gear is fixedly connected to the front end and the rear end of the pressure wheel, the rotor is fixedly connected with the rack, the one-way gear is meshed with the rack, when the rotor drives the rack to move rightwards, the rack drives the one-way gear and the pressure wheel to rotate, the pressure wheel rotates to stir the synchronous belt to rotate to move the mask rightwards, and when the rotor drives the rack to reset leftwards, the rack drives the one-way gear to idle, so that the pressure wheel cannot rotate.

Has the advantages that: 1. the four welding rods are fixedly connected to the lifting frame, and the lifting frame is driven by the electric push rod to enable the four welding rods to weld the ear wires, so that the arrangement of electric devices is reduced, and the purpose of energy conservation is achieved.

2. The electric clamping block is used for clamping the lug wire, and the rotor drives the electric clamping block to move on the electric slide rail frame, so that two ends of the lug wire are positioned below the electric welding rod and can be welded.

3. According to the invention, the mover drives the wedge-shaped rod to extrude the double-sided wedge-shaped block, so that the ear wire is pulled by the draw hook, the mover extrudes the sliding rod to move inwards, the sliding rod drives the ear wire on the draw hook to move inwards through the fixed rod, the ear wire is pulled inwards, and the ear wire is longer than the mask to be welded.

4. The cutting mechanism can cut off the ear wire during welding, and the wire guide pipe arranged in the wire guide block can prevent the cut ear wire from running out, so that the electric clamping block can conveniently and repeatedly clamp the ear wire.

5. The invention realizes the function of welding the ear wire of the intermittent conveying mask by matching the feeding mechanism and the conveying mechanism.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a first partial cross-sectional view of the present invention.

Fig. 3 is a second partial cross-sectional view of the present invention.

Fig. 4 is a schematic perspective view of a first feeding mechanism of the present invention.

Fig. 5 is a schematic perspective view of a second feeding mechanism of the present invention.

Fig. 6 is a schematic perspective view of the mover and the electric clamp block of the present invention.

Fig. 7 is a schematic perspective view of the cutting mechanism of the present invention.

Fig. 8 is a perspective view of a part of the cutting mechanism of the present invention.

Fig. 9 is a schematic perspective view of the conveying mechanism of the present invention.

Fig. 10 is a partial cross-sectional view of the delivery mechanism of the present invention.

Fig. 11 is a schematic perspective view of a first three-dimensional structure of the material hooking mechanism of the present invention.

Fig. 12 is a schematic perspective view of a second hooking mechanism of the present invention.

Fig. 13 is a schematic perspective view of the pushing mechanism of the present invention.

The meaning of the reference symbols in the figures: 1_ frame, 2_ electric push rod, 201_ controller, 3_ lifting frame, 4_ electric welding rod, 5_ support plate, 501_ guide frame, 6_ feeding mechanism, 60_ electric slide rail frame, 61_ mover, 62_ electric clamping block, 63_ wire guide wheel, 64_ ear wire, 7_ cutting mechanism, 70_ wire guide block, 71_ cylinder, 72_ cutting knife, 8_ conveying mechanism, 80_ synchronizing wheel, 81_ synchronous belt, 82_ pressurizing wheel, 83_ one-way gear, 84_ rack, 9_ hooking mechanism, 90_ support rod, 91_ drag hook, 92_ fixed rod, 93_ reset spring, 94_ double-faced wedge block, 95_ wedge rod, 10_ pushing mechanism, 100_ limit rod, 101_ slide rod, 102_ extrusion spring, 11_ rotating wheel, 12_ plane plate.

Detailed Description

The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, and the like used herein to indicate orientation are merely for the location of the illustrated structure in the corresponding figures.

Example 1

An intermittent ear wire welding device for mask production is disclosed, as shown in fig. 1-13, comprising a frame 1, a rotating wheel 11 and a plane plate 12, wherein the rotating wheel 11 is rotationally connected with the front wall and the rear wall of the right part of the frame 1, the rotating wheel 11 is used for pressing and guiding an ear wire 64, the plane plate 12 is fixedly connected onto the frame 1, the intermittent ear wire welding device further comprises an electric push rod 2, a controller 201, a lifting frame 3, electric welding rods 4, a supporting plate 5, a guide frame 501 and a feeding mechanism 6, the controller 201 is arranged on the frame 1, the electric push rod 2 is arranged at the top of the frame 1, the lower end of the electric push rod 2 is fixedly connected with the lifting frame 3, the four electric welding rods 4 are fixedly connected onto the lifting frame 3, the supporting plate 5 is fixedly connected into the front wall and the rear wall of the frame 1, the supporting plate 5 is positioned below the electric welding rods 4, the guide frame 501 is slidably connected onto the four electric welding rods 4, the feeding mechanism 6 is arranged on the frame 1, the feeding mechanism 6 is used for conveying the ear wire 64 to the lower part of the electric welding rods 4, the electric push rod 2 is used for moving the lifting frame 3 downwards, and the electric welding mask 4 is guided by the guide frame 501 and the ear wire 64.

When the ear wire 64 needs to be welded on the mask, the ear wire 64 is conveyed to the position below the welding rod 4 through the driving feeding mechanism, the electric push rod 2 is driven to move the welding rod 4 on the lifting frame 3 downwards, the welding rod 4 is guided by the guide frame 501 to weld the mask and the ear wire 64 placed on the supporting plate 5, and therefore the function of welding the mask and the ear wire 64 is achieved.

Example 2

On the basis of embodiment 1, as shown in fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 11, fig. 12 and fig. 13, the feeding mechanism 6 includes an electric slide rail frame 60, a mover 61, an electric clamping block 62, a wire guide wheel 63, an ear wire 64, a cutting mechanism 7, a hooking mechanism 9 and a pushing mechanism 10, the guide frame 501 is connected with the electric slide rail frame 60, the electric slide rail frame 60 is symmetrically and slidably connected with the mover 61 at the front and rear sides, the motor clamping block 62 is fixedly connected to the mover 61, the wire guide wheel 63 is symmetrically and rotatably installed at the right part of the frame 1, the ear wire 64 is wound on the wire guide wheel 63, the electric clamping block 62 is used for clamping the ear wire 64, the electric clamping block 62 is driven by the mover 61 to move on the electric slide rail frame 60, the cutting mechanism 7 is used for cutting the ear wire 64 during welding, the hooking mechanism 9 is used for pulling the ear wire 64 inward to make the ear wire 64 have a certain curvature, and the pushing mechanism 10 is used for limiting the distance for pulling the ear wire 64 inward.

As shown in fig. 8, the cutting mechanism 7 includes a wire block 70, a cylinder 71 and a cutting knife 72, the wire block 70 is symmetrically and fixedly connected to the front wall and the rear wall of the frame 1, a wire conduit is provided in the wire block 70, the ear wire 64 penetrates through the wire conduit in the wire block 70, the ear wire 64 which is cut off can be prevented from running out, the clamping is conveniently performed next time, the cylinder 71 is installed on the wire block 70, the cutting knife 72 is provided on the cylinder 71, and the cutting knife 72 on the driving cylinder 71 can cut off the ear wire 64 during welding.

As shown in fig. 12, collude material mechanism 9 and include bracing piece 90, drag hook 91, dead lever 92, reset spring 93, two-sided wedge 94 and wedge 95, electronic slide rail frame 60 right part symmetry rigid coupling bracing piece 90, sliding connection drag hook 91 on two bracing pieces 90, rigid coupling dead lever 92 on the drag hook 91, the cover has reset spring 93 on the drag hook 91, reset spring 93 locates between dead lever 92 and the bracing piece 90, reset spring 93 is used for resetting drag hook 91, the two-sided wedge 94 of one end rigid coupling of drag hook 91, wedge 95 is connected on the active cell 61 right side, active cell 61 drives wedge 95 and removes left, wedge 95 pushes up two-sided wedge 94 and drives drag hook 91 and pull on ear line 64.

As shown in fig. 13, the pushing mechanism 10 includes a limiting rod 100, a sliding rod 101 and an extrusion spring 102, the limiting rod 100 is fixedly connected to the left portions of the front and rear sides of the electric slide rail frame 60, the sliding rod 101 is slidably disposed on the limiting rod 100, the right portion of the sliding rod 101 is connected to the fixing rod 92, the extrusion spring 102 is sleeved on the limiting rod 100, the extrusion spring 102 is disposed between the sliding rod 101 and the electric slide rail frame 60, one end of the extrusion spring 102 is connected to the sliding rod 101, the other end of the extrusion spring 102 is connected to the electric slide rail frame 60, the mover 61 drives the wedge rod 95 to move leftward to extrude the sliding rod 101, the sliding rod 101 drives the draw hook 91 to move inward through the fixing rod 92, so that the ear wire 64 on the draw hook 91 moves inward.

Firstly, an ear wire 64 penetrates through a conduit in a conductor block 70, the conduit can be matched with an electric clamping block 62 to repeatedly clamp the ear wire 64, a worker starts a controller 201, the controller 201 drives the electric clamping block 62 to clamp the ear wire 64, then a rotor 61 is driven to drive a wedge rod 95 and the ear wire 64 on the electric clamping block 62 to move to the left side of an electric slide rail frame 60, when the wedge rod 95 is contacted with a double-faced wedge block 94 to be extruded, the double-faced wedge block 94 drives a draw hook 91 to move outwards to hook the ear wire 64, meanwhile, a return spring 93 stretches, when the wedge rod 95 is not contacted with the double-faced wedge block 94, the return spring 93 drives the draw hook 91 to reset, when the rotor 61 drives the wedge rod 95 and the electric clamping block 62 to be contacted with a slide rod 101, the rotor 61 extrudes the slide rod 101 to move inwards, the slide rod 101 moves inwards, the fixed rod 92 drives the ear wire 64 on the draw hook 91 to move inwards, meanwhile, the extrusion spring 102 and the return spring 93 are compressed, when the mover 61 drives the wedge rod 95 and the ear wire 64 on the electric clamping block 62 to move to the leftmost side of the electric slide rail frame 60, the electric push rod 2 is driven to move the electric welding rod 4 on the lifting frame 3 downwards, the electric welding rod 4 is guided by the guide frame 501 to weld the mask and the ear wire 64 placed on the support plate 5, meanwhile, the cutting knife 72 on the driving cylinder 71 cuts off the ear wire 64, the cut ear wire 64 is still in the wire conduit, waiting for the electric clamping block 62 to clamp again, thus realizing automatic repeated clamping and leading-in of the ear wire 64 for welding and cutting, the wedge rod 95 is driven by the mover 61 to extrude the double-sided wedge 94, the drag hook 91 pulls the ear wire 64, the slide rod 101 is extruded by the mover 61 to move to the inner side, the slide rod 101 drives the ear wire 64 on the drag hook 91 to move inwards by the fixing rod 92, the ear line 64 is pulled inwards, so that the ear line 64 is longer than the mask for welding.

Example 3

On the basis of embodiment 1, as shown in fig. 1, 9 and 10, the mask further includes a conveying mechanism 8, the conveying mechanism 8 includes a synchronous wheel 80, a synchronous belt 81, a pressure wheel 82, a one-way gear 83 and a rack 84, the left and right sides of the frame 1 are rotatably connected with the synchronous wheel 80, the synchronous wheel 80 is symmetrically sleeved with the synchronous belt 81 at the front and rear sides, the synchronous belt 81 is internally provided with the pressure wheel 82, the pressure wheel 82 is meshed with the synchronous belt 81, the front and rear ends of the pressure wheel 82 are fixedly connected with the one-way gear 83, one end of the mover 61 is fixedly connected with the rack 84, the one-way gear 83 is meshed with the rack 84, when the mover 61 drives the rack 84 to move rightwards, the rack 84 drives the one-way gear 83 to rotate with the pressure wheel 82, the pressure wheel 82 rotates to stir the synchronous belt 81 to move the mask rightwards, when the mover 61 drives the rack 84 to reset leftwards, the rack 84 is driven by the rack 84 to idle, so that the pressure wheel 82 does not rotate.

When a worker places a mask on a synchronous belt 81, the worker starts a controller 201, drives a rotor 61 to drive a rack 84 to move rightwards, the rack 84 drives a one-way gear 83 and a pressure wheel 82 to rotate, the pressure wheel 82 rotates to stir the synchronous belt 81 to rotate to move the mask rightwards, the mask is positioned above a support plate 5, when the rotor 61 drives the rack 84 to move leftwards, the rack 84 drives the one-way gear 83 to idle, so that the pressure wheel 82 cannot rotate, at the moment, an electric clamping block 62 clamps an ear wire 64, the rotor 61 drives a wedge rod 95 and an ear wire 64 on the electric clamping block 62 to move leftwards, when a wedge rod 95 contacts with a double-faced wedge block 94 to be extruded, the double-faced wedge block 94 drives a draw hook 91 to move outwards to hook the ear wire 64, a reset spring 93 stretches, when the wedge rod 95 does not contact with the double-faced wedge block 94, the reset spring 93 drives the draw hook 91 to reset, when the wedge rod 95 and the electric clamping block 62 contact with the double-faced wedge block 101, the extrusion rod 101, the rotor 61 moves inwards, when the wedge rod 101 and the wedge rod 92 does not contact with the wedge block 94, the electric clamping block 92, the clamp the electric welding rod 4, the electric clamping block 81, the electric clamping rack 82 drives the electric clamping block to move rightwards, the electric clamping rack 82 to move downwards, the electric clamping rack 82 to move, the electric clamping block 4, the electric clamping rack 82 to move, the electric clamping block 4, the electric clamping rack 2 and the electric clamping block 4, when the electric clamping block 2 and the electric clamping block 2, the electric clamping block 4, the electric clamping block 2 are driven clamp, the next mask needing to be welded with the ear wire 64 is moved to the upper side of the supporting plate 5, meanwhile, the extrusion spring 102 is reset to drive the sliding rod 101 to reset, the reset spring 93 is reset to drive the fixing rod 92, the draw hook 91 and the double-faced wedge-shaped block 94 to reset, and the function of welding the ear wire 64 by the intermittent conveying mask is achieved repeatedly.

While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.

Claims

1. An intermittent ear line welding device for mask production comprises a frame (1), a rotating wheel (11) and a plane plate (12), wherein the frame (1) is rotatably connected with the rotating wheel (11), the rotating wheel (11) is used for pressing and guiding an ear line (64), the plane plate (12) is fixedly connected on the frame (1), the welding rod lifting device is characterized by further comprising an electric push rod (2), a controller (201), a lifting frame (3), an electric welding rod (4), a supporting plate (5), a guide frame (501) and a feeding mechanism (6), wherein the controller (201) is arranged on the frame (1), the electric push rod (2) is arranged on the upper portion of the frame (1), the lifting frame (3) is arranged on the electric push rod (2), the electric welding rod (4) is arranged on the lifting frame (3), the supporting plate (5) is arranged on the frame (1), the guide frame (501) is arranged on the electric welding rod (4) in a sliding mode, the feeding mechanism (6) is arranged on the frame (1), the feeding mechanism (6) is used for conveying an ear wire (64) to the position below the electric welding rod (4), the electric push rod (2) is used for moving the electric welding rod (4) on the lifting frame (3) downwards, and the electric welding rod (4) conducts welding on a mask and the ear wire (64) placed on the supporting plate (5) through the guide frame (501).

2. The intermittent ear wire welding device for mask production according to claim 1, wherein the feeding mechanism (6) comprises an electric slide rail frame (60), a mover (61), an electric clamping block (62), a wire guide wheel (63), an ear wire (64), a cutting mechanism (7), a hooking mechanism (9) and a pushing mechanism (10), the guide frame (501) is connected with the electric slide rail frame (60), the electric slide rail frame (60) is provided with the mover (61), the mover (61) is provided with the electric clamping block (62), the frame (1) is provided with the wire guide wheel (63), the wire guide wheel (63) is wound with the ear wire (64), the electric clamping block (62) is used for clamping the ear wire (64), the electric clamping block (62) is driven by the mover (61) to move on the electric slide rail frame (60), the cutting mechanism (7) is used for cutting the ear wire (64) during welding, the hooking mechanism (9) is used for pulling the ear wire (64) inwards, the ear wire (64) has a certain radian, and the pushing mechanism (10) is used for limiting the distance for pulling the ear wire (64) inwards.

3. The intermittent ear wire welding device for mask production as claimed in claim 2, wherein the cutting mechanism (7) comprises a wire block (70), a cylinder (71) and a cutter (72), the wire block (70) is arranged on the frame (1), the cylinder (71) is arranged on the wire block (70), the cutter (72) is arranged on the cylinder (71), and the cutter (72) on the driving cylinder (71) can cut off the ear wire (64) during welding.

4. The mask production intermittent ear wire welding device according to claim 3, characterized in that a conduit is arranged in the conduit block (70), and the ear wire (64) passes through the conduit in the conduit block (70), so that the ear wire (64) which is cut off can be prevented from running out, and the next clamping can be conveniently carried out.

5. The mask production intermittent ear line welding equipment according to claim 2, characterized in that the material hooking mechanism (9) comprises a support rod (90), a drag hook (91), a fixed rod (92), a reset spring (93), a double-faced wedge block (94) and a wedge rod (95), the support rod (90) is arranged on the electric slide rail frame (60), the drag hook (91) is arranged on the support rod (90) in a sliding manner, the fixed rod (92) is fixedly connected to the drag hook (91), the reset spring (93) is sleeved on the drag hook (91), the reset spring (93) is arranged between the fixed rod (92) and the support rod (90), the reset spring (93) is used for resetting the drag hook (91), the double-faced wedge block (94) is arranged on the drag hook (91), the wedge rod (95) is connected to one side of the rotor (61), the rotor (61) drives the wedge rod (95) to move leftward, and the wedge rod (95) pushes the double-faced wedge block (94) to drive the drag hook (91) to pull the ear line (64).

6. The mask production intermittent ear line welding device according to claim 2, characterized in that the pushing mechanism (10) comprises a limiting rod (100), a sliding rod (101) and an extrusion spring (102), the limiting rod (100) is arranged on the electric slide rail frame (60), the sliding rod (101) is arranged on the limiting rod (100) in a sliding manner, one end of the sliding rod (101) is connected with the fixing rod (92), the extrusion spring (102) is sleeved on the limiting rod (100), the extrusion spring (102) is arranged between the sliding rod (101) and the electric slide rail frame (60), the mover (61) drives the wedge rod (95) to move leftwards to extrude the sliding rod (101), and the sliding rod (101) drives the drag hook (91) to move inwards through the fixing rod (92), so that the ear line (64) on the drag hook (91) moves inwards.

7. The intermittent ear line welding device for mask production according to claim 1, further comprising a conveying mechanism (8), wherein the conveying mechanism (8) comprises a synchronous wheel (80), a synchronous belt (81), a pressure wheel (82), a one-way gear (83) and a rack (84), the synchronous wheel (80) is arranged on the left side and the right side of the frame (1), the synchronous belt (81) is symmetrically sleeved on the front side and the rear side of the synchronous wheel (80), the pressure wheel (82) is arranged in the synchronous belt (81), the pressure wheel (82) is meshed with the synchronous belt (81), the one-way gear (83) is fixedly connected to the front end and the rear end of the pressure wheel (82), the mover (61) is fixedly connected with the rack (84), the one-way gear (83) is meshed with the rack (84), when the mover (61) drives the rack (84) to move rightwards, the rack (84) drives the one-way gear (83) to rotate with the pressure wheel (82), the pressure wheel (82) rotates to stir the synchronous belt (81) to rotate to move the mask rightwards, when the mover (61) drives the rack (84) to reset leftwards, the rack (84) drives the one-way gear (83) to make the pressure wheel (82) not rotate.