Welding device for forming breathing mask

Abstract

The invention discloses a welding device for breathing mask forming, and belongs to the technical field of plastic part welding. In the welding device, a mask is placed on a tool plate, a rotating disc drives the mask to flow among different stations, and automatic, high-efficiency and high-precision alignment welding operation of a silica gel belt and a guide pipe of the mask is achieved; the automatic overturning of the tool plate is controlled through the automatic direction adjusting mechanism, free adjustment of the posture of the mask is achieved, feeding stations of a silica gel belt and a pressing block are facilitated, the qualified rate of finished products is high, and the automatic mask welding machine is suitable for continuous welding operation on masks in batches.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plastic part welding, in particular to a welding device for forming a breathing mask. BACKGROUND

[0002] The breathing mask realizes isolation of external air by covering the mouth and nose of the user, thereby providing oxygen or assisting breathing.

[0003] The breathing mask mainly comprises a mask body, a connecting block on both sides of the mask body for connecting with a bandage, and a conduit for connecting with an external air source. In the production of the breathing mask, the conduit and the mask body are welded by an ultrasonic welding device, a silica gel band is inserted into the connecting block, a pressing block is placed on the silica gel band, and the pressing block and the silica gel band are welded by the ultrasonic welding device to realize the connection effect of the silica gel band. The mask body is usually a Venturi mask. When welding the pressing block and the silica gel band, the mask body needs to be turned over on a jig until the pressing block and the silica gel band are kept horizontal, and then the ultrasonic welding head can be used to weld the two. The welding operation is inconvenient and affects the welding efficiency.

[0004] Therefore, the present application provides a welding device for forming a breathing mask to solve the above problems. SUMMARY

[0005] In view of the above-mentioned shortcomings of the prior art, the present application provides a welding device for forming a breathing mask.

[0006] To achieve the above-mentioned purposes, the present application is implemented by the following technical solutions:

[0007] A welding device for forming a breathing mask, comprising a support seat, a rotating disc and an intermediate disc.

[0008] The rotating disc is intermittently rotatable and installed on the support seat. The intermediate disc is fixedly connected with the support seat and located on the upper side of the rotating disc. A support frame is arranged on the upper side of the intermediate disc. A plurality of tool plates are uniformly arranged at equal intervals in a circumferential array on the outer edge of the rotating disc.

[0009] An automatic direction adjusting mechanism is arranged on the intermediate disc and the rotating disc. The rotating disc is installed on the automatic direction adjusting mechanism. The automatic direction adjusting mechanism is used to automatically turn over the tool plate when the tool plate is at the left bandage welding station and the right bandage welding station, so that the connecting block of the mask is kept horizontal, thereby facilitating the feeding and welding of the pressing block and the silica gel band.

[0010] A conduit welding mechanism is arranged on the conduit welding station and used to weld the conduit with the mask from the bottom of the rotating disc.

[0011] The left bandage welding station and the right bandage welding station are provided with a silica gel band welding mechanism and a double-station feeding mechanism, the double-station feeding mechanism is used for providing the silica gel band welding mechanism with a pressing block and a silica gel band, the silica gel band welding mechanism comprises an auxiliary fixing assembly, a material taking assembly and a welding assembly, the auxiliary fixing assembly is installed on the middle disc and is used for pressing and limiting the face mask during the silica gel band welding operation; the material taking assembly is used for taking the pressing block and the silica gel band from the double-station feeding mechanism; and the welding assembly is used for welding and fixing the pressing block and the silica gel band.

[0012] Further, the double-station feeding mechanism comprises a first material placing frame, a second material placing frame, a horizontal moving block and a fifth push rod, the first material placing frame and the second material placing frame are symmetrically fixed on the two sides of the support, the first material placing frame is used for limiting the stacked pressing blocks, and the second material placing frame is used for limiting the stacked silica gel bands; the horizontal moving block is limitingly and slidably connected with the support, and the horizontal moving block is limitingly and slidably connected with the lower ends of the first material placing frame and the second material placing frame; the fifth push rod is fixedly connected with the support, the output end of the fifth push rod is fixedly connected with the horizontal moving block, and the fifth push rod is used for driving the horizontal moving block to slide between the two first material placing frames and the second material placing frame; two groups of material taking grooves are formed in the horizontal moving block, each group of material taking grooves comprises a first accommodating groove for taking the pressing block and a second accommodating groove for taking the silica gel band.

[0013] Further, the auxiliary fixing assembly comprises a rotary air cylinder, a rotary rod and a pressing rod, the rotary air cylinder is fixedly installed on the middle disc through the support, the output end of the rotary air cylinder is fixedly connected with the rotary rod, and two pressing rods are fixedly installed on the rotary rod.

[0014] Further, the material taking assembly comprises a linear module, a first vacuum material taking assembly for grabbing the moving pressing block and a second vacuum material taking assembly for grabbing the moving silica gel band, the linear module is fixedly installed on the top of the support, the linear module adopts a double-sliding-seat double-screw rod module, and two moving ends of the linear module are respectively connected with the first vacuum material taking assembly and the second vacuum material taking assembly.

[0015] Further, the welding assembly comprises a fourth push rod and a first welding head, the fourth push rod is fixedly installed on the top of the support, and the output end of the fourth push rod is fixedly installed with the first welding head for welding and fixing the pressing block and the silica gel band.

[0016] Further, the conduit welding mechanism comprises a bottom plate, a straight-vibration feeder, a first push rod, a feeding block, an upward welding assembly and a downward supporting assembly, the bottom plate is arranged on the lower side of the rotating disc, the straight-vibration feeder is fixedly installed on the bottom plate, the straight-vibration feeder is used for conveying the conduit of the face guard, the feeding block is located at the discharging end of the straight-vibration feeder, the feeding block is limitingly and slidably connected with the bottom plate, and a U-shaped accommodating groove for accommodating the conduit is arranged on the feeding block; the first push rod is fixedly connected with the bottom plate, and the output end of the first push rod is fixedly connected with the feeding block; the upward welding assembly and the downward supporting assembly are respectively located on the lower side and the upper side of the rotating disc; the upward welding assembly is connected with the bottom plate, is used for receiving the conduit in the feeding block, and pushes the conduit upward to be welded with the face guard; and the downward supporting assembly is installed on the intermediate disc, and is used for supporting the conduit from the other side of the face guard during welding.

[0017] Further, the automatic direction adjusting mechanism comprises a rotating disc, a supporting plate, a turnover positioning assembly and a direction adjusting control assembly, the rotating disc is fixedly installed on the two sides of the tool plate, the upper end of the supporting plate is rotatably connected with the rotating disc through a bearing, and the lower end of the supporting plate is fixedly connected with the rotating disc; the supporting plate is provided with the turnover positioning assembly, which is used for supporting and positioning the tool plate after the tool plate is turned over; and the direction adjusting control assembly is installed on the intermediate disc, and is used for controlling the automatic turnover of the tool plate on the supporting plate when the rotating disc drives the tool plate to rotate.

[0018] Further, the turnover positioning assembly comprises a side plate, an arc-shaped groove and a positioning pin, the side plate is fixedly installed on the side of the tool plate, arc-shaped grooves are symmetrically formed on the two sides of the side plate, and the supporting plate is fixedly installed with the positioning pins which are in one-to-one correspondence with the arc-shaped grooves and are limitingly and slidably connected.

[0019] Further, the direction adjusting control assembly comprises a sliding rail, a vertical moving block, a connecting pin and a connecting plate, the sliding rail is fixedly installed in a ring shape on the intermediate disc, and each supporting plate on the side of the tool plate close to the rotating center of the rotating disc is limitingly and slidably connected with the vertical moving block through a sliding rail block structure; the connecting pin is fixedly connected with the rotating disc and is eccentrically arranged, and the two ends of the connecting plate are hingedly connected with the connecting pin and the vertical moving block respectively.

[0020] Further, the sliding rail heights of the feeding and discharging stations and the conduit welding station are the same, the sliding rail height of the left bandage welding station is lower than that of the feeding and discharging station, and the sliding rail height of the right bandage welding station is higher than that of the feeding and discharging station.

[0021] Compared with the prior art, the present application has the following beneficial effects: in the present application, the face guard is placed on the tool plate, the face guard is transferred between different stations by the rotating disc, the automatic, high-efficiency and high-precision alignment welding operation of the silica gel tape and the conduit of the face guard is realized, the automatic turnover of the tool plate is controlled by the automatic direction adjusting mechanism, the posture of the face guard is freely adjusted, the feeding stations of the silica gel tape and the pressing block are convenient, the qualified rate of the finished product is high, and the present application is suitable for continuous welding operation of batch face guards. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0023] Figure 1 This is a three-dimensional structural diagram of the mask;

[0024] Figure 2 This invention provides a three-dimensional welding apparatus for forming a respirator mask. Figure One ;

[0025] Figure 3 This is a top view of a welding apparatus for forming a breathing mask according to the present invention;

[0026] Figure 4 This invention provides a three-dimensional welding apparatus for forming a respirator mask. Figure Two ;

[0027] Figure 5 This invention provides a three-dimensional welding apparatus for forming a respirator mask. Figure Three ;

[0028] Figure 6 This invention provides a three-dimensional welding apparatus for forming a respirator mask. Figure Four ;

[0029] Figure 7 This is a perspective view of the tooling plate of the present invention;

[0030] Figure 8 This is a sectional perspective view of a welding apparatus for forming a breathing mask according to the present invention;

[0031] Figure 9 This is a perspective view of the conduit welding mechanism of the present invention;

[0032] Figure 10 The three-dimensional representation of the silicone tape welding mechanism and the dual-station feeding mechanism of the present invention Figure One ;

[0033] Figure 11 The three-dimensional representation of the silicone tape welding mechanism and the dual-station feeding mechanism of the present invention Figure Two .

[0034] The labels in the diagram represent:

[0035] 10. Support base; 11. Intermediate plate; 12. Rotary plate; 121. Loading and unloading station; 122. Left bandage welding station; 123. Conduit welding station; 124. Right bandage welding station; 13. Tooling plate; 131. Contouring groove; 132. Side support block; 2. Automatic orientation mechanism; 21. Rotary plate; 22. Support plate; 23. Side plate; 24. Arc groove; 25. Positioning pin; 26. Slide rail; 27. Vertical moving block; 28. Connecting pin; 29. ​​Connecting plate; 3. Conduit welding mechanism; 31. Base plate; 32. Vertical vibrating feeder; 33. First push rod; 34. Feeding block; 35. Second push rod; 36. Second welding head 37. Third push rod; 38. Stop block; 4. Silicone tape welding mechanism; 41. Auxiliary fixing assembly; 411. Rotary cylinder; 412. Rotating rod; 413. Pressure rod; 42. Material picking assembly; 421. Linear module; 422. First vertical movement cylinder; 423. First suction cup; 424. Second vertical movement cylinder; 425. Second suction cup; 43. Welding assembly; 431. Fourth push rod; 432. First welding head; 5. Dual-station feeding mechanism; 51. First material placement frame; 52. Second material placement frame; 53. Horizontal movement block; 54. First receiving groove; 55. Second receiving groove; 56. Fifth push rod; 6. Support frame; 7. Face mask. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0037] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0038] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-11 A welding device for forming a breathing mask includes a support base 10;

[0039] A rotating disk 12 is intermittently rotatable on the support base 10. An intermediate disk 11 is fixedly connected to the support base 10 and is located on the upper side of the rotating disk 12. The rotating disk 12 is provided with loading and unloading stations 121, left bandage welding station 122, conduit welding station 123 and right bandage welding station 124 in sequence along its rotation direction. A support frame 6 is mounted on the upper side of the intermediate disk 11.

[0040] The plurality of tool plates 13 are uniformly and equidistantly arranged in a circumferential array on the outer edge of the rotating disc 12, the tool plate 13 is provided with a profiling groove 131 for accommodating the mask 7, the tool plate 13 is symmetrically provided with a side supporting block 132 for supporting the connecting block of the mask 7, and the inner side of the profiling groove 131 of the tool plate 13 is further provided with a through hole for avoiding the guide pipe of the mask 7;

[0041] The intermediate disc 11 and the rotating disc 12 are provided with an automatic orientation mechanism 2, the rotating disc 12 is mounted on the automatic orientation mechanism 2, and the automatic orientation mechanism 2 is used for controlling the automatic overturning of the tool plate 13 when the tool plate 13 is in the left bandage welding station 122 and the right bandage welding station 124, so that the connecting block of the mask 7 remains horizontal, thereby facilitating the feeding and welding of the pressing block and the silica gel tape;

[0042] The guide pipe welding station 123 is provided with a guide pipe welding mechanism 3 for welding the guide pipe with the mask 7 from the bottom of the rotating disc 12;

[0043] The left bandage welding station 122 and the right bandage welding station 124 are both provided with a silica gel tape welding mechanism 4 and a double-station feeding mechanism 5, the double-station feeding mechanism 5 is used for providing the silica gel tape welding mechanism 4 with a pressing block and a silica gel tape, the silica gel tape welding mechanism 4 comprises an auxiliary fixing assembly 41, a material taking assembly 42 and a welding assembly 43, the auxiliary fixing assembly 41 is mounted on the intermediate disc 11, and the auxiliary fixing assembly 41 is used for limiting the mask 7 in the profiling groove 131 of the tool plate 13 when the silica gel tape welding operation is performed, so as to avoid the position deviation of the mask 7; the material taking assembly 42 is used for taking the pressing block and the silica gel tape from the double-station feeding mechanism 5 and placing them in the connecting block; and the welding assembly 43 is used for welding and fixing the pressing block and the silica gel tape;

[0044] In the present application, the mask 7 is placed in the profiling groove 131 of the tool plate 13 in the feeding and discharging station 121, the connecting block of the tool plate 13 is supported by the side supporting block 132, the rotating disc 12 drives the tool plate 13 to rotate, so that the mask 7 moves to the left bandage welding station 122, the mask 7 is tightly fixed on the tool plate 13 by the auxiliary fixing assembly 41, and in the process of moving the mask 7, the tool plate 13 is automatically overturned by the automatic orientation mechanism 2, so that the connecting block of the mask 7 remains horizontal;

[0045] The pressing block and the silica gel tape are grabbed from the double-station feeding mechanism 5 by the material taking assembly 42, and are transferred to the connecting block of the mask 7 for assembly, and then the welding and fixing operation of the pressing block and the silica gel tape on the left side of the mask 7 is completed by the welding assembly 43;

[0046] The rotary disc 12 drives the mask 7 to move to the catheter welding station 123, and during the movement of the mask 7, the tool plate 13 is automatically turned over by the automatic direction adjusting mechanism 2, so that the lower end of the mask 7 remains horizontal, and the catheter is welded and fixed to the mask 7 from the lower end of the mask 7 by the catheter welding mechanism 3;

[0047] The rotary disc 12 drives the mask 7 to move to the right bandage welding station 124, and the tool plate 13 is automatically turned over by the automatic direction adjusting mechanism 2, so that the other side connecting block of the mask 7 which is not completed welding operation remains horizontal, and the above steps are repeated to complete the welding and fixing operation of the right side pressing block and the silica gel tape of the mask 7;

[0048] The rotary disc 12 drives the mask 7 to flow to the profiling groove 131, and the tool plate 13 remains horizontal by the automatic direction adjusting mechanism 2, so as to facilitate the automatic loading and unloading work of the mask 7 by the mechanical arm.

[0049] In the present application, the mask 7 is placed on the tool plate 13, and the mask 7 is driven by the rotary disc 12 to circulate between different stations, realizing automatic, high-efficiency and high-precision alignment welding operation of the silica gel tape and the catheter of the mask 7, and the automatic turning over of the tool plate 13 is controlled by the automatic direction adjusting mechanism 2, realizing free adjustment of the posture of the mask 7, facilitating the loading station of the silica gel tape and the pressing block, the qualified rate of the finished product is high, and it is suitable for continuous welding operation of batch masks 7.

[0050] The double-station feeding mechanism 5 comprises a first material placing frame 51, a second material placing frame 52, a horizontal moving block 53 and a fifth push rod 56, the first material placing frame 51 and the second material placing frame 52 are symmetrically fixedly installed on the two sides of the support frame 6, the first material placing frame 51 is used for limiting the stacked pressing blocks, and the second material placing frame 52 is used for limiting the stacked silica gel tapes; the horizontal moving block 53 is limitingly and slidably connected with the support frame 6 through a slide rail and slide block limiting structure, and the horizontal moving block 53 is slidably connected with the lower ends of the first material placing frame 51 and the second material placing frame 52; the fifth push rod 56 is fixedly connected with the support frame 6, the output end of the fifth push rod 56 is fixedly connected with the horizontal moving block 53, and the fifth push rod 56 is used for driving the horizontal moving block 53 to slide between the two first material placing frames 51 and the second material placing frame 52; two groups of material taking grooves are formed in the horizontal moving block 53, each group of material taking grooves comprises a first containing groove 54 for taking the pressing block and a second containing groove 55 for taking the silica gel tape;

[0051] In the present application, under the action of gravity, the briquettes and silica gel belts fall vertically in the first material placing frame 51 and the second material placing frame 52 respectively until they are blocked by the transverse moving block 53; the transverse moving block 53 is pushed by the fifth push rod 56 to reciprocate between the first material placing frame 51 and the second material placing frame 52 on both sides, so that the two groups of material taking grooves can alternately take materials from the lower sides of the first material placing frame 51 and the second material placing frame 52 on both sides; when one group of material taking grooves moves to the lower side of the first material placing frame 51 and the second material placing frame 52 to take materials, the other group of material taking grooves drives the loaded briquettes and silica gel belts to move between the first material placing frame 51 and the second material placing frame 52 on both sides to facilitate the grabbing of the material taking assembly 42, so as to realize the continuous and standardized feeding operation of the briquettes and silica gel belts.

[0052] In some embodiments, as shown in Figure 10 and Figure 11 As a preferred embodiment of the present application, the auxiliary fixing assembly 41 includes a rotary air cylinder 411, a rotary rod 412 and a pressing rod 413, the rotary air cylinder 411 is fixedly installed on the middle disc 11 through a support, the output end of the rotary air cylinder 411 is fixedly connected with the rotary rod 412, two pressing rods 413 are fixedly installed on the rotary rod 412, and the pressing rods 413 are used to press and fix the face mask 7 in the profiling groove 131 of the tool plate 13 when the face mask 7 is turned over;

[0053] The material taking assembly 42 includes a linear module 421, a first vertical moving air cylinder 422, a first suction cup 423, a second vertical moving air cylinder 424 and a second suction cup 425, the linear module 421 is fixedly installed on the top of the support frame 6, the linear module 421 adopts a double-slide-seat double-wire-rod module, one moving end of the linear module 421 is fixedly connected with the first vertical moving air cylinder 422, and the other moving end of the linear module 421 is fixedly connected with the second vertical moving air cylinder 424, the output end of the first vertical moving air cylinder 422 is fixedly installed with the first suction cup 423 for grabbing the briquettes from the first containing groove 54 of the transverse moving block 53, and the output end of the second vertical moving air cylinder 424 is fixedly installed with a plurality of second suction cups 425 for grabbing the silica gel belts from the second containing groove 55 of the transverse moving block 53;

[0054] The welding assembly 43 includes a fourth push rod 431 and a first welding head 432, the fourth push rod 431 is fixedly installed on the top of the support frame 6, and the output end of the fourth push rod 431 is fixedly installed with the first welding head 432 for welding and fixing the briquettes and silica gel belts;

[0055] In the present application, the linear module 421 drives the first suction cup 423 and the second suction cup 425 to move to the upper side of the first accommodating groove 54 and the second accommodating groove 55 of the transverse moving block 53 respectively, so that the first suction cup 423 and the second suction cup 425 respectively grab the pressing block and the silica gel tape, and then the linear module 421 drives the pressing block and the silica gel tape to move left, first inserts the silica gel tape into the connecting block of the face mask 7, and then places the pressing block into the connecting block and presses on the silica gel tape, and then the first suction cup 423 resets to avoid, and the fourth push rod 431 drives the first suction cup 423 to vertically move down to realize the welding and fixing effect of the pressing block and the silica gel tape.

[0056] In some embodiments, as shown in Figure 8 and Figure 9 As a preferred embodiment of the present application, the conduit welding mechanism 3 includes a bottom plate 31, a straight vibration feeder 32, a first push rod 33, a feeding block 34, a second push rod 35, a second welding head 36, a third push rod 37 and a stop block 38. The bottom plate 31 is arranged on the lower side of the rotating disc 12, the straight vibration feeder 32 is fixedly installed on the bottom plate 31, the straight vibration feeder 32 is used for conveying the conduit of the face mask 7, the feeding block 34 is located at the discharging end of the straight vibration feeder 32, the feeding block 34 is limitingly and slidingly connected with the bottom plate 31 through a slide rail sliding block limiting structure, and the feeding block 34 is provided with a U-shaped accommodating groove for accommodating the conduit; the first push rod 33 is fixedly connected with the bottom plate 31, and the output end of the first push rod 33 is fixedly connected with the feeding block 34; the second welding head 36 is fixedly installed on the side surface of the bottom plate 31, and the output end of the second welding head 36 is fixedly installed with the second welding head 36, and the second welding head 36 is provided with a groove matched with the conduit of the face mask 7; and the rotating disc 12 is further provided with a slot for the second welding head 36 to pass through.

[0057] The third push rod 37 is fixedly connected with the intermediate disc 11 through a support, and the output end of the third push rod 37 is fixedly installed with the stop block 38, which is used for supporting the conduit from the other side of the face mask 7 when the second welding head 36 drives the conduit to move upward and weld;

[0058] In the present application, the straight vibration feeder 32 continuously supplies the conduit, when the U-shaped accommodating groove of the feeding block 34 is aligned with the discharging end of the straight vibration feeder 32, the conduit is sent into the U-shaped accommodating groove, then the first push rod 33 pushes the feeding block 34 upward to the second welding head 36, so that the conduit falls into the groove of the second welding head 36, and at the same time the side wall of the feeding block 34 blocks the movement of the conduit in the straight vibration feeder 32; the first push rod 33 drives the feeding block 34 to reset, the second push rod 35 drives the second welding head 36 to move vertically upward, so that the conduit abuts against the face mask 7, and at the same time the third push rod 37 drives the stop block 38 to move vertically downward to support the second welding head 36 from the other side of the face mask 7, and the conduit and the face mask 7 are welded and fixed by the second welding head 36.

[0059] In some embodiments, as shown inFigure 6 and Figure 7 As shown in the figure, as a preferred embodiment of the application, the automatic direction adjusting mechanism 2 comprises a rotating disc 21, a support plate 22, a turnover positioning assembly and a direction adjusting control assembly, the rotating disc 21 is fixedly installed on both sides of the tool plate 13, the upper end of the support plate 22 is rotatably connected with the rotating disc 21 through a bearing, and the lower end of the support plate 22 is fixedly connected with the rotating disc 12; the support plate 22 is provided with the turnover positioning assembly, which is used for supporting and positioning the tool plate 13 after the tool plate 13 is turned over; the direction adjusting control assembly is installed on the intermediate disc 11, which is used for controlling the automatic turnover of the tool plate 13 on the support plate 22 when the rotating disc 12 drives the tool plate 13 to rotate;

[0060] The turnover positioning assembly comprises a side plate 23, an arc-shaped groove 24 and a positioning pin 25, the side plate 23 is fixedly installed on the side of the tool plate 13, the arc-shaped grooves 24 are symmetrically formed on both sides of the side plate 23, and the positioning pins 25 are fixedly installed on the support plate 22 in one-to-one correspondence with the arc-shaped grooves 24 and are in limited sliding connection with the arc-shaped grooves 24;

[0061] The direction adjusting control assembly comprises a sliding rail 26, a vertical moving block 27, a connecting pin 28 and a connecting plate 29, the sliding rail 26 is fixedly installed in a ring shape on the intermediate disc 11, and each support plate 22 on the side of the tool plate 13 close to the rotating center of the rotating disc 12 is in limited sliding connection with the vertical moving block 27 through a sliding rail block structure; the connecting pin 28 is fixedly connected with the rotating disc 21 and is eccentrically arranged, and the connecting plate 29 is hingedly connected with the connecting pin 28 and the vertical moving block 27 at both ends thereof;

[0062] The heights of the sliding rails 26 of the feeding and discharging station 121 and the pipe welding station 123 are the same, the height of the sliding rail 26 of the left bandage welding station 122 is lower than that of the feeding and discharging station 121, and the height of the sliding rail 26 of the right bandage welding station 124 is higher than that of the feeding and discharging station 121.

[0063] In the application, when the sliding rail 26 moves to the left bandage welding station 122 or the right bandage welding station 124, the height of the sliding rail 26 changes, so that the vertical moving block 27 is displaced in the vertical direction, and then the rotating disc 21 is driven to rotate by the connecting plate 29, so as to realize the automatic direction adjusting effect of the tool plate 13, and when the tool plate 13 is turned over, the positioning pin 25 slides in the arc-shaped groove 24, so as to realize the auxiliary supporting effect of the tool plate 13 through the cooperation of the side plate 23 and the positioning pin 25, thereby avoiding the sliding of the tool plate 13 during the silica gel band welding operation.

[0064] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A welding device for forming a breathing mask, comprising a support base (10), a rotating disc (12) and an intermediate disc (11), characterized in that: the rotating disc (12) is intermittently rotatably installed on the support base (10), the intermediate disc (11) is fixedly connected with the support base (10), and the intermediate disc (11) is located on the upper side of the rotating disc (12); a support frame (6) is arranged on the upper side of the intermediate disc (11); a plurality of tool plates (13) are uniformly and equidistantly arranged in a circumferential array along the outer edge of the rotating disc (12); an automatic direction adjusting mechanism (2) is arranged on the intermediate disc (11) and the rotating disc (12), the rotating disc (12) is installed on the automatic direction adjusting mechanism (2), and the automatic direction adjusting mechanism (2) is used for automatically turning over the tool plate (13) when the tool plate (13) is at a left bandage welding station (122) and a right bandage welding station (124), so that the connecting block of the mask (7) remains horizontal, thereby facilitating the feeding and welding of the pressing block and the silica gel tape; a conduit welding mechanism (3) is arranged on the conduit welding station (123) and is used for welding a conduit with the mask (7) from the bottom of the rotating disc (12); the left bandage welding station (122) and the right bandage welding station (124) are each provided with a silica gel tape welding mechanism (4) and a double-station feeding mechanism (5), the double-station feeding mechanism (5) is used for providing the silica gel tape welding mechanism (4) with the pressing block and the silica gel tape, the silica gel tape welding mechanism (4) comprises an auxiliary fixing assembly (41), a material taking assembly (42) and a welding assembly (43), the auxiliary fixing assembly (41) is installed on the intermediate disc (11), and the auxiliary fixing assembly (41) is used for pressing and limiting the mask (7) when performing the silica gel tape welding operation; the material taking assembly (42) is used for taking the pressing block and the silica gel tape from the double-station feeding mechanism (5); and the welding assembly (43) is used for welding and fixing the pressing block and the silica gel tape. the double-station feeding mechanism (5) comprises a first material placing frame (51), a second material placing frame (52), a horizontal moving block (53) and a fifth push rod (56), the first material placing frame (51) and the second material placing frame (52) are symmetrically and fixedly installed on the two sides of the support frame (6), the first material placing frame (51) is used for limiting the stacked pressing blocks, and the second material placing frame (52) is used for limiting the stacked silica gel tapes; the horizontal moving block (53) is limitingly and slidably connected with the support frame (6), and the horizontal moving block (53) is slidably connected with the lower ends of the first material placing frame (51) and the second material placing frame (52); 2. The welding apparatus for forming a respiratory mask according to claim 1, wherein the fifth push rod (56) is fixedly connected with the support frame (6), the output end of the fifth push rod (56) is fixedly connected with the horizontal moving block (53), and the fifth push rod (56) is used for driving the horizontal moving block (53) to slide between the two first material placing frames (51) and the second material placing frame (52); two groups of material taking grooves are formed in the horizontal moving block (53), and each group of material taking grooves comprises a first accommodating groove (54) for taking the pressing block and a second accommodating groove (55) for taking the silica gel tape. ​ 3. The welding apparatus for forming a respiratory mask of claim 2, wherein, The auxiliary fixing assembly (41) comprises a rotary air cylinder (411), a rotary rod (412) and a pressing rod (413), the rotary air cylinder (411) is fixedly installed on the middle disc (11) through a support, the output end of the rotary air cylinder (411) is fixedly connected with the rotary rod (412), and two pressing rods (413) are fixedly installed on the rotary rod (412).

4. The welding apparatus for forming a respiratory mask of claim 3, wherein, The taking-out assembly (42) comprises a linear module (421), a first vacuum taking-out assembly for grabbing the moving pressing block and a second vacuum taking-out assembly for grabbing the moving silica gel strip, the linear module (421) is fixedly installed on the top of the support frame (6), the linear module (421) adopts a double-slide-seat double-wire-rod module, and two moving ends of the linear module (421) are connected with the first vacuum taking-out assembly and the second vacuum taking-out assembly respectively.

5. The respirator forming welding apparatus of claim 4, wherein, The welding assembly (43) comprises a fourth push rod (431) and a first welding head (432), the fourth push rod (431) is fixedly installed on the top of the support frame (6), and the output end of the fourth push rod (431) is fixedly installed with the first welding head (432) for welding and fixing the pressing block and the silica gel strip.

6. The respirator forming welding apparatus of claim 5, wherein, The conduit welding mechanism (3) comprises a bottom plate (31), a straight-vibration feeder (32), a first push rod (33), a feeding block (34), an upward-moving welding assembly and a downward-moving supporting assembly, the bottom plate (31) is arranged on the lower side of the rotary disc (12), the straight-vibration feeder (32) is fixedly installed on the bottom plate (31), the straight-vibration feeder (32) is used for conveying the conduit of the mask (7), the feeding block (34) is located at the discharging end of the straight-vibration feeder (32), the feeding block (34) is in limit sliding connection with the bottom plate (31), and a U-shaped containing groove for containing the conduit is arranged on the feeding block (34); the first push rod (33) is fixedly connected with the bottom plate (31), and the output end of the first push rod (33) is fixedly connected with the feeding block (34); the upward-moving welding assembly and the downward-moving supporting assembly are located on the lower side and the upper side of the rotary disc (12) respectively; the upward-moving welding assembly is connected with the bottom plate (31) and is used for receiving the conduit in the feeding block (34) and pushing the conduit upward to be welded with the mask (7); and the downward-moving supporting assembly is installed on the middle disc (11) and is used for supporting the conduit from the other side of the mask (7) during welding.

7. The respirator forming welding apparatus of claim 6, wherein, The automatic direction adjusting mechanism (2) comprises a rotating disc (21), a support plate (22), a turnover positioning assembly and a direction adjusting control assembly, the rotating disc (21) is fixedly installed on the two sides of the tool plate (13), the upper end of the support plate (22) is rotationally connected with the rotating disc (21) through a bearing, and the lower end of the support plate (22) is fixedly connected with the rotary disc (12); the support plate (22) is provided with the turnover positioning assembly, which is used for supporting and positioning the tool plate (13) after the tool plate (13) is turned over; and the direction adjusting control assembly is installed on the middle disc (11) and is used for controlling the tool plate (13) to automatically turn over on the support plate (22) when the rotary disc (12) drives the tool plate (13) to rotate.

8. The respirator forming welding apparatus of claim 7, wherein, The overturning positioning assembly comprises side plates (23), arc-shaped grooves (24) and positioning pins (25), the side plates (23) are fixedly installed on the sides of the tool plates (13), arc-shaped grooves (24) are symmetrically formed on the two sides of the side plates (23), and the supporting plates (22) are fixedly installed with the positioning pins (25) which are in one-to-one correspondence with the arc-shaped grooves (24) and are in limited sliding connection.

9. The respirator mask forming welding apparatus of claim 8, wherein, The direction adjusting control assembly comprises sliding rails (26), vertical moving blocks (27), connecting pins (28) and connecting plates (29), the sliding rails (26) are fixedly installed in a ring shape on the middle disc (11), and each supporting plate (22) on the side of each tool plate (13) close to the rotating center of the rotating disc (12) is in limited sliding connection with the vertical moving block (27) through a sliding rail block structure; the connecting pin (28) is fixedly connected with the rotating disc (21) and is eccentrically arranged, and the two ends of the connecting plate (29) are hingedly connected with the connecting pin (28) and the vertical moving block (27) respectively.

10. The respirator forming welding apparatus of claim 8, wherein, The sliding rails (26) of the feeding and discharging station (121) and the pipe welding station (123) are of the same height, the sliding rail (26) of the left bandage welding station (122) is lower than the sliding rail (26) of the feeding and discharging station (121), and the sliding rail (26) of the right bandage welding station (124) is higher than the sliding rail (26) of the feeding and discharging station (121).

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