CN113498904A

CN113498904A - Mask welding mold

Info

Publication number: CN113498904A
Application number: CN202110811318.8A
Authority: CN
Inventors: 黄培伟
Original assignee: Tianchang Runmi Biotechnology Co ltd
Current assignee: Tianchang Runmi Biotechnology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-10-15

Abstract

The invention relates to a mask welding mould, which comprises a rotating shaft, a first welding piece and a second welding piece, wherein the rotating shaft is connected with the first welding piece; the first welding piece is sleeved at one end of the rotating shaft and can horizontally move along the rotating shaft; the second welding piece is sleeved at the other end of the rotating shaft and is connected with the first welding piece in a matching manner, and the second welding piece can horizontally move along the rotating shaft; the rotating shaft drives the first welding part and the second welding part to rotate, and the first welding part and the second welding part are mutually abutted or separated while keeping the connection relation; and the first welding piece and the second welding piece are respectively provided with welding teeth. According to the mask, the first welding piece and the second welding piece are mutually abutted or move towards the two ends of the rotating shaft in a connection state, so that the adjustment of the distance between the two groups of welding teeth is realized, finally, one mold can be correspondingly welded with masks of two sizes, the additional development cost of the mold of an enterprise is saved, and the economic benefit of the enterprise is reduced.

Description

Mask welding mold

Technical Field

The invention relates to a mold, in particular to a mask welding mold.

Background

The mask is a sanitary article, is generally worn on the mouth and nose for filtering air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, and is made of gauze, non-woven fabric, melt-blown fabric and other materials. The mask has a certain filtering function on 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. Therefore, the mask has a poor air environment or a large demand for epidemic diseases.

At present, ear area welding set needs use in pairs in the use in the gauze mask to weld respectively in the gauze mask both sides with two interior ear areas simultaneously, but two welding set fixed mounting are in the frame at present, when carrying out the butt fusion to the gauze mask of unidimensional model, and processing manufacturer needs the additional equipment of reconfiguration to carry out the butt fusion, and economic benefits is lower.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention provides a mask welding mold.

The technical scheme adopted by the invention for solving the technical problems is as follows: a mask welding mold comprises a rotating shaft, a first welding piece and a second welding piece, wherein the first welding piece and the second welding piece are arranged on the rotating shaft;

the first welding piece is sleeved at one end of the rotating shaft and can horizontally move along the rotating shaft;

the second welding piece is sleeved at the other end of the rotating shaft and is connected with the first welding piece in a matching manner, and the second welding piece can horizontally move along the rotating shaft;

the rotating shaft drives the first welding part and the second welding part to rotate, and the first welding part and the second welding part are mutually abutted or separated while keeping the connection relation;

and the first welding piece and the second welding piece are respectively provided with welding teeth.

In one embodiment of the invention, the rotating shaft is provided with a guide rail, and the inner ring of the first welding part is provided with a groove matched with the guide rail.

In one embodiment of the invention, the cross section of the guide rail is of a structure with a large top end and a small bottom end, the number of the guide rails is at least 2, and the guide rails are uniformly distributed along the circumference of the rotating shaft.

In one embodiment of the invention, the first welding part is provided with a connecting groove along the length direction, one end of the second welding part close to the second welding part extends to be provided with a connecting rod, the connecting rod is arranged in the connecting groove in a matching way, and the connecting rod and the connecting groove are at least 3 groups.

In one embodiment of the invention, when the first welding piece and the second welding piece are separated from each other, a connecting ring is sleeved on the exposed outer ring of the connecting rod in a matching way, and the outer diameter of the connecting ring is the same as that of the first welding piece and the second welding piece.

In an embodiment of the invention, two ends of the rotating shaft are respectively provided with a first limiting ring and a second limiting ring, the first limiting ring is arranged outside the first welding part and abuts against the first welding part, and the second limiting ring is arranged outside the second welding part and abuts against the second welding part.

In one embodiment of the invention, the first limiting ring and the second limiting ring are respectively in threaded connection with the rotating shaft.

In an embodiment of the present invention, the rotating shaft is further provided with a first movable limiting table and a second movable limiting table respectively located outside the first limiting ring and the second limiting ring, the first limiting movable table abuts against the first limiting ring, and the second movable limiting table abuts against the second limiting ring.

In one embodiment of the invention, there are two first movable limiting tables and two second movable limiting tables, the first movable limiting tables and the second movable limiting tables are arranged symmetrically along the center of a rotating shaft, the rotating shaft is provided with limiting grooves matched with the first movable limiting tables and the second movable limiting tables, the first movable limiting tables and the second movable limiting tables are retracted into the limiting grooves under the action of pressure, and the first movable limiting tables and the second movable limiting tables extend out of the limiting grooves under the natural state.

In one embodiment of the invention, each of the first movable limiting table and the second movable limiting table comprises an inclined table and a spring, one end of the spring is arranged in the limiting groove, the other end of the spring is connected with the inclined table, and the inclined table is arranged from the end close to the first welding piece and the second welding piece to the end far away from the first welding piece and the second welding piece from high to low.

The invention has the beneficial effects that: according to the mask welding mold, the first welding piece and the second welding piece are mutually abutted or move towards the two ends of the rotating shaft in a connection state, so that the adjustment of the distance between the two groups of welding teeth is realized, and finally, one mold can be correspondingly welded with masks of two sizes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a structure of a rotating shaft;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view showing the first welding member and the second welding member of the present invention after moving toward the two ends of the rotation shaft, respectively;

FIG. 5 is a schematic view of a first fusion-spliced member;

FIG. 6 is a structural distribution diagram of the connecting grooves at the end face of the first welded member;

FIG. 7 is a schematic view of a second fusion-bonded structure;

FIG. 8 is a structural distribution diagram of the connecting rod at the end face of the second fusion splice;

in the figure: 100. a first welding member; 101. a groove; 200. a second welding member; 300. a rotating shaft; 301. a guide rail; 400. welding teeth; 501. connecting grooves; 502. a connecting rod; 600. a connecting ring; 701. a first spacing collar; 702. a second limit ring; 801. a first movable limit table; 802. a second movable limit table; 80a, a limiting groove; 80b. a tilt table; 80c, a spring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

A mask welding mold as shown in fig. 1, comprising a rotating shaft 300, and a first welding member 100 and a second welding member 200 arranged on the rotating shaft 300;

the first welding member 100 is sleeved at one end of the rotating shaft 300, and the first welding member 100 can horizontally move along the rotating shaft 300;

the second welding piece 200 is sleeved at the other end of the rotating shaft 100, the second welding piece 200 is connected with the first welding piece 100 in a matching way, and the second welding piece 200 can horizontally move along the rotating shaft 300;

the rotating shaft 300 drives the first welding part 100 and the second welding part 200 to rotate, and the first welding part 100 and the second welding part 200 are mutually abutted or mutually separated while keeping the connection relationship;

the first welding member 100 and the second welding member 200 are respectively provided with welding teeth 400.

When the mask is normally used, the first welding piece 100 and the second welding piece 200 are connected in an abutting mode, the rotation of the rotating shaft drives the first welding piece and the second welding piece to rotate, welding of welding teeth on the first welding piece 100 and the second welding piece 200 to the multilayer materials is achieved, and the multilayer materials are welded together to achieve manufacturing of the mask; since the mask is divided into an adult mask and a child mask, in order to make one mask welding mold applicable to the production and use of two masks, it is necessary to adjust the size of the mask welding mold, specifically, the first welding piece 100 and the second welding piece 200 respectively move horizontally along the rotating shaft 300 while maintaining the connection relationship, the first welding piece 100 and the second welding piece 200 respectively move towards the two ends of the rotating shaft, and then the distance between the welding teeth on the first welding piece 100 and the second welding piece 200 is increased, which is suitable for the welding of masks with larger sizes.

In order to realize effective matching connection between the rotating shaft 300 and the first welding part 100 and ensure that the rotating shaft 300 always drives the first welding part 100 to rotate, as shown in fig. 2, a guide rail 301 is arranged on the rotating shaft 300, a groove 101 matched with the guide rail 301 is arranged on an inner ring of the first welding part 100, the groove 101 in the first welding part 100 is moved along the guide rail 301, so that the first welding part 100 horizontally moves along the rotating shaft 300, meanwhile, the connection relationship between the first welding part 100 and the rotating shaft 300 is also strengthened by the arrangement of the guide rail 301 and the groove 101, and the rotating shaft 300 and the first welding part 100 synchronously rotate.

In this application, in order to increase structural strength and the stability of connecting between first heat sealing member 100 and pivot 300, as shown in fig. 6, the transversal top of personally submitting of guide rail 301 is big, the little structure in bottom, the guide rail is 2 at least, and the guide rail is along pivot circumference evenly distributed, and the guide rail is 3 in this application, and evenly distributed's guide rail 301 and recess 101 match the setting, drive the synchronous rotation of first heat sealing member 100 all the time at pivot 300 pivoted in-process.

As shown in fig. 5 to 8, the first welded component 100 is provided with a connecting groove 501 along the length direction, the connecting groove 501 is located on the body between the inner hole and the outer surface of the first welded component 100, the end of the second welded component 200 close to the first welded component 100 is provided with a connecting rod 502 in a protruding manner, the connecting rod 502 is arranged in the connecting groove 501 in a matching manner, the connecting groove 501 on the first welded component 100 is matched with the connecting rod 502 on the second welded component, and finally the connection between the first welded component 100 and the second welded component 200 is realized, the connecting rod 502 and the connecting groove 501 are at least 3 groups, and the first welded component 100 and the second welded component 200 are connected more tightly in an insertion manner; in this application, pivot 300 rotates under the external force drive, and pivot 300 drives first butt fusion piece 100 and rotates, and first butt fusion piece 100 further drives the rotation of second butt fusion piece 200, because the zonulae occludens of first butt fusion piece 100 and second butt fusion piece 200, realizes the synchronous operation of first butt fusion piece 100 and second butt fusion piece 200, realizes the butt fusion to the many layer materials of gauze mask.

As shown in fig. 4, in order to adapt to the welding of a mask with a larger size, the first welding part 100 and the second welding part 200 are operated in opposite directions and in a mutually separated state, the outer ring of the exposed connecting rod 502 is sleeved with a connecting ring 600 in a matching manner, the outer diameter of the connecting ring 600 is the same as that of the first welding part 100 and that of the second welding part 200, and the connecting ring 600 has a limiting function, so that the second welding part 200 is prevented from gradually approaching the first welding part 100 in the operation process, and the mask is ensured to be accurately welded.

The two ends of the rotating shaft 300 are further provided with a first limiting ring 701 and a second limiting ring 702 respectively, the first limiting ring 701 is arranged on the outer side of the first welding part 100 and abutted against the first welding part 100, the second limiting ring 702 is arranged on the outer side of the second welding part 200 and abutted against the second welding part 200, after the positions of the first welding part 100 and the second welding part 200 are adjusted in place, limitation between the first welding part 100 and the second welding part 200 is achieved through the connecting ring 600, mutual approaching between the first welding part 100 and the second welding part 200 is avoided, limitation of the other ends of the first welding part 100 and the second welding part 200 is achieved through the first limiting ring 701 and the second limiting ring 702 respectively, the first welding part 100 and the second welding part 200 are prevented from moving outwards in the rotating process, and accuracy of welding positions of the mask is guaranteed. In this application, for the convenience of connection, first spacing collar 701 and second spacing collar 702 pass through threaded connection between 300 with the pivot respectively, and it is convenient to dismantle, labour saving and time saving.

The rotating shaft 300 is further provided with a first movable limiting table 801 and a second movable limiting table 802 which are respectively located on the outer sides of the first limiting ring 701 and the second limiting ring 702, the first limiting movable table 801 is abutted to the first limiting ring 701, the second movable limiting table 802 is abutted to the second limiting ring 702, limitation of the first limiting ring 701 and the second limiting ring 702 is achieved through the first movable limiting table 801 and the second movable limiting table 802 respectively, namely limitation of the first welding part 100 and the second welding part 200 is achieved again, stability of the positions of the first welding part 100 and the second welding part 200 is guaranteed, and movement of the positions of the first welding part 100 and the second welding part 200 is avoided.

The first movable limiting table 801 and the second movable limiting table 802 are respectively provided with two, the first movable limiting table 801 and the second movable limiting table 802 are symmetrically arranged along the center of the rotating shaft 300, the positions of the two first movable limiting tables 801 and the second movable limiting table 802 are respectively matched with masks with two sizes, so that the first welding part 100 and the second welding part 200 can be fixed after the positions are adjusted, the rotating shaft 300 is provided with a limiting groove 80a matched with the first movable limiting table 801 and the second movable limiting table 802, the first movable limiting table 801 and the second movable limiting table 802 are retracted into the limiting groove 80a under the action of pressure, the first movable limiting table 801 and the second movable limiting table 802 extend out of the limiting groove 80a under the natural state, namely, after the first limiting ring 701 and the second limiting ring 702 are clamped to preset positions, the first movable limiting table 801 and the second movable limiting table 802 are in the state of the limiting groove 80a in the natural extending state, the first limiting ring 701 and the second limiting ring 702 are limited, and the phenomenon that the first limiting ring 701 and the second limiting ring 702 retreat in the rotating process of the rotating shaft 300 is avoided.

Specifically, as shown in fig. 2 and 3, each of the first movable limiting stage 801 and the second movable limiting stage 802 includes an inclined stage 80b and a spring 80c, one end of the spring 80c is disposed in the limiting groove 80a, the other end is connected to the inclined stage 80b, the inclined stage 80b is disposed from the end close to the first fusion-welded part to the end away from the first fusion-welded part, and the end of the second fusion-welded part is disposed from high to low, after the positions of the first fusion-welded part 100 and the second fusion-welded part 200 are adjusted to the proper positions, the first limiting ring 701 and the second limiting ring 702 are sleeved along the rotating shaft 300 to the directions of the first fusion-welded part 100 and the second fusion-welded part 200, when the limiting ring passes through the movable limiting stage, first passes through the end of the lower inclined stage, when the limiting ring continuously moves to the end of the higher inclined stage, the inclined stage is compressed by the external force of the limiting ring, the inclined stage retracts into the limiting groove, when the limiting ring completely passes through the inclined stage, the tilting table resets under the action of spring retraction force, and higher tilting table one end is the spacing collar butt, avoids the spacing collar to retreat, avoids spacing collar, first welding piece, second welding piece to take place the condition of displacement.

According to the mask welding mold, the first welding piece and the second welding piece are mutually abutted or move towards the two ends of the rotating shaft in a connection state, so that the adjustment of the distance between the two groups of welding teeth is realized, and finally, one mold can be correspondingly welded with masks of two sizes.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims

1. A mask welding mold is characterized by comprising a rotating shaft, a first welding piece and a second welding piece, wherein the first welding piece and the second welding piece are arranged on the rotating shaft;

2. The mask welding mold according to claim 1, wherein the rotating shaft is provided with a guide rail, and the inner ring of the first welding member is provided with a groove matched with the guide rail. .

3. The mask welding mold according to claim 3, wherein the cross section of the guide rail has a structure with a large top end and a small bottom end, the number of the guide rails is at least 2, and the guide rails are uniformly distributed along the circumference of the rotating shaft.

4. The mask welding mold according to claim 1, wherein the first welding member has a connecting groove along a length direction thereof, the second welding member has a connecting rod extending from an end thereof adjacent to the second welding member, the connecting rod is disposed in the connecting groove in a matching manner, and the number of the connecting rods and the connecting groove is at least 3.

5. The mask welding mold according to claim 4, wherein a connecting ring is fittingly fitted to an outer ring of the exposed connecting rod when the first and second welding members are separated from each other, and an outer diameter of the connecting ring is the same as that of the first and second welding members.

6. The mask welding mold according to claim 1, wherein a first stop collar and a second stop collar are respectively disposed at two ends of the rotating shaft, the first stop collar is disposed at an outer side of the first welding member and abuts against the first welding member, and the second stop collar is disposed at an outer side of the second welding member and abuts against the second welding member.

7. The mask welding mold according to claim 6, wherein the first and second retainers are respectively threadedly engaged with the shaft.

8. The mask welding mold according to claim 6, wherein the shaft further comprises a first movable stop and a second movable stop respectively located outside the first stop and the second stop, the first movable stop abutting against the first stop and the second movable stop abutting against the second stop.

9. The mask welding mold according to claim 8, wherein there are two first movable limiting tables and two second movable limiting tables, the first movable limiting tables and the second movable limiting tables are symmetrically arranged along the center of the rotating shaft, the rotating shaft is provided with limiting grooves matched with the first movable limiting tables and the second movable limiting tables, the first movable limiting tables and the second movable limiting tables retract into the limiting grooves under the action of pressure, and the first movable limiting tables and the second movable limiting tables extend out of the limiting grooves under the natural state.

10. The mask welding mold according to any one of claims 1 to 9, wherein each of the first movable limiting table and the second movable limiting table comprises an inclined table and a spring, one end of the spring is disposed in the limiting groove, the other end of the spring is connected with the inclined table, and the inclined table is disposed from a position close to the first welding member and the second welding member to a position far away from the first welding member and the second welding member from a high position to a low position.