Selvage cloth folding device in gauze production
Technical Field
The invention belongs to the technical field of gauze production equipment, and particularly relates to a selvedge fabric folding device in gauze production.
Background
The gauze has the characteristics of good toughness and corrosion resistance, is widely used for mosquito prevention and insect prevention in home, office and hotels and the like, and is mainly divided into plastic-coated window screens, stainless steel window screens, aluminum alloy wire window screens, glass fiber window screens, invisible window screens, plastic window screens and the like. The edge wrapping is a common process in textile products, the edge of the gauze is wrapped by the edge wrapping, so that the structure of the gauze is more stable, and the service life of the gauze is prolonged.
The traditional gauze covering process is that the covering edge is manually folded and then wrapped on the edge of a gauze for sewing; the edge folding efficiency is low and uneven edge folding is easily caused; affecting the overall sewing efficiency.
How to arrange a mechanism with high flanging efficiency and tidy flanging is one of the problems to be solved urgently at present.
Disclosure of Invention
The invention aims to provide a selvedge cloth folding device in gauze production, which solves the problems that the traditional gauze edge covering process adopts manual folding of edge covering and then sewing; the edge folding efficiency is low and uneven edge folding is easily caused; the whole sewing efficiency is affected.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a selvedge fabric folding device in gauze production, which comprises a first guide component, a folding part, a second guide component and a shell; the first guide assembly is used for enabling the edge cloth to enter the folding part in a flat mode;
the folding part is fixedly arranged at one end of the first guide assembly; the middle part of the folding part is provided with a bulge; the bulges are used for folding the edge cloth entering the folding part in half; the second guide assembly is arranged at one end of the folding part far away from the first guide assembly; the second guide assembly is perpendicular to the folding part; the second guide assembly is provided with a V-shaped guide groove; a V-shaped opening is formed in one side, far away from the first guide assembly, of the protrusion and connected with the V-shaped guide groove, so that the edge cloth passing through the protrusion reversely changes the folding direction and then enters the V-shaped guide groove; the shell is detachably arranged on the folding part and the second guide assembly;
a channel of the edge cloth is formed between the shell and the bulge; the shell and the groove edge of the V-shaped guide groove form an edge limiting channel of the edge cloth.
Further, the height of the projection is gradually increased and the width of the projection is gradually reduced along the direction away from the first guide assembly; the cross section of the protrusion is an isosceles triangle.
Further, the shell is provided with a groove matched with the protrusion.
Furthermore, a limiting plate is arranged on the shell; the number of the limiting plates is two; the two limiting plates are respectively matched with the groove edges of the V-shaped guide grooves to form edge limiting channels of the edge cloth.
Furthermore, two sides of one end of the shell, which is close to the first guide assembly, are provided with a clamping block; the clamping block is provided with a clamping hole; the first guide assembly is provided with a clamping jaw matched with the clamping hole; a first connecting block is arranged on each of two sides of one end, close to the second guide assembly, of the shell; the first connecting block is provided with a mounting through hole; the second guide assembly is provided with a second connecting block corresponding to the first connecting block; a threaded mounting hole is formed in the second connecting block; the central line of the threaded mounting hole is superposed with the central line of the mounting through hole; the first connecting block and the second connecting block penetrate through the corresponding mounting through holes and the corresponding threaded mounting holes through the first screw rod to be connected.
Furthermore, a first spring is further arranged on one side, close to the second connecting block, of the first connecting block; the first spring is sleeved on the first screw rod; one end of the first spring is fixedly connected with the first connecting block.
Furthermore, a positioning groove is formed in one side, close to the first connecting block, of the second connecting block; the positioning groove is opposite to one end, far away from the first connecting block, of the first spring.
Further, the first guide assembly comprises a guide plate, a side plate and a pressing plate; the number of the side plates is two; the two side plates are arranged on the two sides of the guide plate in parallel along the cloth feeding direction of the edge cloth; the two side plates are connected through a connecting plate; a stepped hole is formed in the middle of the connecting plate; the stepped hole sequentially comprises a first hole and a second hole along the direction far away from the guide plate; the diameter of the first hole is smaller than that of the second hole; a second screw rod is installed in the second hole through threads; the pressing plate is positioned between the guide plate and the connecting plate; one side of the pressing plate, which is close to the connecting plate, is provided with a connecting shaft; the connecting shaft penetrates through the first hole in a sliding mode; a sliding block is arranged at one end, located in the second hole, of the connecting shaft; the sliding block is provided with a sliding strip along the central line direction of the second hole; a sliding groove matched with the sliding strip is formed in the inner wall of the second hole; the connecting shaft is also sleeved with a second spring; one end of the second spring is abutted against the sliding block, and the other end of the second spring is abutted against the step surface of the step hole.
Further, the first hole is a rectangular hole.
Further, the method comprises the following steps of; the pressure plate comprises a first plate and a second plate; the first plate and the second plate form a V-shaped structure; the opening of the V-shaped structure faces to the moving direction of the edge cloth.
The invention has the following beneficial effects:
1. according to the invention, the edge cloth is flattened through the first guide assembly, the flattened edge cloth enters the folding part, and the folded edge cloth is guided out through the second guide assembly and enters the sewing equipment for sewing, so that the edge folding efficiency is high, and the folded edge is tidy.
2. According to the invention, the shell is detachably connected with the folding part and the second guide assembly, so that another piece of edge cloth can be conveniently replaced when the edge cloth is used up, and the efficiency of replacing the edge cloth is improved.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a selvage folding apparatus in the production of a gauze according to the present invention;
FIG. 2 is an exploded view of the selvage folding apparatus in the production of the screen of the present invention;
FIG. 3 is a schematic view of the installation structure of the folding part and the first and second guiding components;
FIG. 4 is a schematic structural view of the housing;
FIG. 5 is a schematic view of the housing from another perspective;
FIG. 6 is a schematic view of the mounting structure of the connecting plate and the pressing plate;
in the drawings, the components represented by the respective reference numerals are listed below:
1-first guide assembly, 2-fold, 3-second guide assembly, 4-housing, 201-protrusion, 301-V-shaped guide groove, 201 a-V-shaped opening, 401-groove, 402-limit plate, 5-block, 501-block hole, 6-pawl, 7-first connection block, 701-installation through hole, 8-second connection block, 801-threaded installation hole, 802-positioning groove, 9-first screw, 10-first spring, 101-guide plate, 102-side plate, 103-pressing plate, 104-connection plate, 11-first hole, 12-second hole, 13-second screw, 14-connection shaft, 15-slider, 16-slider, 1201-slide groove, 17-second spring, 103 a-first plate, 103 b-second plate, 18-connecting strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "both sides", "middle", "upper", "lower", "inner", and the like, indicate orientations or positional relationships for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 6, the invention relates to a selvage folding device in gauze production, which comprises a first guiding component 1, a folding part 2, a second guiding component 3 and a shell 4; the first guiding component 1 is used for leading the edge cloth to enter the folding part 2 in a flat manner;
the folding part 2 is fixedly arranged at one end of the first guide component 1; the middle part of the folding part 2 is provided with a bulge 201; the bulge 201 is used for folding the edge cloth entering the folding part 2 in half; the second guide component 3 is arranged at one end of the folding part 2 far away from the first guide component 1; the second guiding component 3 is arranged perpendicular to the folding part 2; the V-shaped guide groove 301 is formed in the second guide assembly 3, specifically, the opening of the V-shaped guide groove 301 faces to one side far away from the folding portion 2, so that edge cloth with the folding direction changed through the V-shaped opening 201a can be conveniently kept in a folding state in the V-shaped guide groove 301, and the edge of a gauze can be conveniently inserted into the V-shaped guide groove 301 and wrapped by the edge cloth to enter subsequent sewing equipment together for sewing. A V-shaped opening 201a is formed in one side, far away from the first guide assembly 1, of the protrusion 201, and the V-shaped opening 201a is connected with the V-shaped guide groove 301, so that the edge cloth passing through the protrusion 201 enters the V-shaped guide groove 301 after the folding direction is reversely changed; the housing 4 is detachably mounted on the folding part 2 and the second guide assembly 3;
a passage of the edge cloth is formed between the shell 4 and the bulge 201; casing 4 forms the marginal spacing passageway of limit cloth with the trough edge of V-arrangement guide way 301, can play spacing effect to the edge of limit cloth through setting up casing 4, and casing 4 also can make and keep certain distance between the both sides of the limit cloth of folding with the marginal spacing passageway of edge formation limit cloth of V-arrangement guide way 301 simultaneously, makes things convenient for between the gauze edge inserts the both sides of limit cloth. Through the detachable connection of casing 4 with folded portion 2 and second direction subassembly 3, be convenient for change after a collage cloth has used up. Specifically, after one piece of edging cloth is used up, the shell 4 is detached, one end of the edging cloth passes through the first guide assembly 1 and then is attached to the protrusion 201 to be pulled, enters the V-shaped guide groove 301 of the second guide assembly 3 and is continuously pulled to the sewing equipment, so that the sewing equipment presses the edging cloth; later with casing 4 direct mount can, avoided with casing 4 and folded portion 2 and second guide component 3 fixed connection, need pass first guide component 1 in proper order with the one end of limit cloth when changing the limit cloth, casing 4 and protruding 201 between form the passageway of limit cloth enter into V-arrangement guide way 301 in, still need to make the edge of limit cloth both sides be located casing 4 and V-arrangement guide way 301 the limit trouble in the passageway of the edge that forms the limit cloth.
Preferably, the height of the protrusion 201 gradually increases and the width gradually decreases in a direction away from the first guide assembly 1; the cross section of the protrusion 201 is an isosceles triangle. So, can be with the middle part of limit cloth along the direction of central line by jack-up, avoid appearing fold influence folding effect when V-arrangement opening 201a department folds.
Preferably, the housing 4 is provided with a recess 401 adapted to the protrusion 201. The inner wall of the groove 401 can limit the edge distribution to a certain extent.
Preferably, a limit plate 402 is arranged on the shell 4; two limiting plates 402 are provided; the two limit plates 402 are respectively matched with the groove edges of the V-shaped guide groove 301 to form an edge limit channel of the edge cloth. The specific cross section of the limiting plate 402 is L-shaped, when the limiting plate is installed, the vertical end (the long end of the L-shaped) of the limiting plate 402 is attached to the edge of the notch of the V-shaped guide groove 301, and the transverse end of the limiting plate 402 is parallel to the inner wall of the V-shaped guide groove 301 to form a selvedge limiting channel. In order to enhance the fastness between the two limit plates 402, the ends of the two limit plates 402 far away from the folding part 2 are connected through a connecting strip 18, the connecting strip 18 is in a sheet shape, the connecting strip 18 is in a V shape and is matched with the V-shaped guide groove 301, but the passing of the edge cloth from the V-shaped guide groove 301 is not affected. The limiting plate 402 with the connecting strip 18 is not suitable for simultaneously placing the magnetic strips when the edge cloth is arranged in the V-shaped guide groove 301, because the connecting strip 18 is easy to block the magnetic strips.
Preferably, two sides of one end of the shell 4 close to the first guide assembly 1 are respectively provided with a fixture block 5; the fixture block 5 is provided with a fixture hole 501; the first guide component 1 is provided with a claw 6 matched with the clamping hole 501; two sides of one end of the shell 4 close to the second guide component 3 are respectively provided with a first connecting block 7; the first connecting block 7 is provided with a mounting through hole 701; the second guide assembly 3 is provided with a second connecting block 8 corresponding to the first connecting block 7; a threaded mounting hole 801 is formed in the second connecting block 8; the center line of the threaded mounting hole 801 coincides with the center line of the mounting through hole 701; the first connecting block 7 and the second connecting block 8 are connected through the corresponding mounting through hole 701 and the corresponding threaded mounting hole 801 by the first screw 9. The clamping jaw 6 is matched with the clamping block 5, and the first connecting block 7 is matched with the second connecting block 8 to quickly and conveniently assemble and disassemble the shell 4.
Preferably, a first spring 10 is further arranged on one side of the first connecting block 7 close to the second connecting block 8; the first spring 10 is sleeved on the first screw 9; one end of the first spring 10 is fixedly connected with the first connecting block 7. The distance between the shell 4 and the folding part 2 and the second guide assembly 3 can be adjusted through the first screw 9 by arranging the first spring 10, so that the edge cloth with different thicknesses can be accommodated.
Preferably, a positioning groove 802 is formed in one side of the second connecting block 8, which is close to the first connecting block 7; the positioning slot 802 is opposite to the end of the first spring 10 far away from the first connecting block 7. When installing folded portion 2, second direction subassembly 3 with casing 4 on through setting up constant head tank 802, the one end through first spring 10 supports earlier and leans on to carry on spacingly to casing 4 at constant head tank 802, and the installation of the first screw rod 9 of being convenient for is aligned with screw thread mounting hole 801 to the installation through-hole 701 of being convenient for.
Preferably, the first guide assembly 1 includes a guide plate 101, a side plate 102 and a pressing plate 103; the number of the side plates 102 is two; the two side plates 102 are arranged on the two sides of the guide plate 101 in parallel along the cloth feeding direction of the edge cloth; the two side plates 102 are connected through a connecting plate 104; a stepped hole is formed in the middle of the connecting plate 104; the stepped hole sequentially comprises a first hole 11 and a second hole 12 along the direction far away from the guide plate 101; the diameter of the first hole 11 is smaller than the diameter of the second hole 12; a second screw 13 is internally threaded in the second hole 12; the pressing plate 103 is positioned between the guide plate 101 and the connecting plate 104; one side of the pressure plate 103 close to the connecting plate 104 is provided with a connecting shaft 14; the connecting shaft 14 slides through the first hole 11; one end of the connecting shaft 14, which is positioned in the second hole 12, is provided with a sliding block 15; a slide bar 16 along the central line direction of the second hole 12 is arranged on the slide block 15; the inner wall of the second hole 12 is provided with a sliding groove 1201 matched with the sliding strip 16, so that the pressing plate 103 can be prevented from rotating due to the fact that the sliding block 15 is driven to rotate when the second screw 13 rotates to move close to the pressing plate 103; the connecting shaft 14 is also sleeved with a second spring 17; one end of the second spring 17 abuts against the sliding block 15, the other end of the second spring 17 abuts against the stepped surface of the stepped hole, and the second spring 17 is arranged to move the sliding block 15 in the direction away from the pressing plate 103 under the action of the elastic force of the second spring 17 when the second screw 13 rotates in the reverse direction and moves away from the pressing plate 103, so that the distance between the pressing plate 103 and the guide plate 101 is increased. In particular, the pressing force of the pressing plate 103 on the edge cloth is adjusted by rotating the second screw 13 to adjust the distance between the pressing plate 103 and the guide plate 101, so that the edge cloth enters the folding part 2 in a flattening manner.
The first hole 11 is a rectangular hole.
Preferably, the platen 103 includes a first plate 103a and a second plate 103 b; the first plate 103a and the second plate 103b form a V-shaped structure; the opening of the V-shaped structure faces the moving direction of the edge cloth. Therefore, the edge cloth is convenient to flatten.
In the present application, the motive force for moving the edge cloth on the whole folding device comes from the traction force of the sewing equipment at the rear.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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, the schematic representations of the terms used above 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.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.