CN216107528U - Three-layer palm folding clamp - Google Patents

Abstract

The utility model discloses a three-layer palm folding clamp, which comprises: the folding cylinder is characterized in that two ends of the folding cylinder extend forwards and backwards, a first outlet and a first inlet are respectively arranged at the front end and the rear end of the folding cylinder, the length direction of the first inlet extends up and down, and the upper end and the lower end of the folding cylinder gradually approach towards each other from the first inlet to the first outlet to form a folding channel; the first guide cylinder is connected with the folding cylinder and arranged above the folding cylinder, and the front end of the first guide cylinder is arranged towards the first outlet; the second guide cylinder, its with roll over a section of thick bamboo and connect and set up roll over the below of a section of thick bamboo, the front end orientation of second guide cylinder first export setting, the pay-off of upper cloth piece and lower floor's cloth piece can be realized automatically in the setting of first guide cylinder and second guide cylinder, is favorable to guaranteeing that upper cloth piece, lower floor's cloth piece and concatenation strip are made up on a straight line, is favorable to using manpower sparingly and material.

Description

Three-layer palm folding clamp

Technical Field

The utility model relates to the technical field of clothing sewing tools, in particular to a three-layer palm folding clamp.

Background

In the sewing of some sports clothes and swimsuits, splicing strips with different colors are required to be spliced at the side edges of the swimsuits, the sports clothes and the like, and the splicing strips are folded and sewn with cloth pieces at two sides to realize edge locking, so that the color collision of the clothes is realized, and the sports style and the individuation are highlighted.

At present, although an auxiliary clamp capable of folding the splicing strips in half to assist in realizing the serging sewing of the splicing strips and the clothes cloth pieces exists, the auxiliary clamp still needs a user to manually control the conveying of the upper layer cloth piece and the lower layer cloth piece in the sewing process, and the requirement on the proficiency of workers is high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art.

The utility model provides a three-layer palm folding clamp which comprises a folding cylinder, wherein two ends of the folding cylinder extend forwards and backwards, the front end and the rear end of the folding cylinder are respectively provided with a first outlet and a first inlet, the length direction of the first inlet extends up and down, and the upper end and the lower end of the folding cylinder gradually approach towards each other from the first inlet to the first outlet to form a folding channel; the first guide cylinder is connected with the folding cylinder and arranged above the folding cylinder, and the front end of the first guide cylinder is arranged towards the first outlet; and the second guide cylinder is connected with the folding cylinder and arranged below the folding cylinder, and the front end of the second guide cylinder is arranged towards the first outlet.

The three-layer palm folding clamp provided by the embodiment of the utility model at least has the following beneficial effects: the folding cylinder is characterized in that two ends of the folding cylinder extend forwards and backwards, a first outlet and a first inlet are respectively arranged at the front end and the rear end of the folding cylinder, the length direction of the first inlet extends up and down, the upper end and the lower end of the folding cylinder gradually draw close from the first inlet to the first outlet in opposite directions to form a folding channel, splicing strips can pass through the folding channel, the upper end and the lower end of the splicing strips are gradually bent in opposite directions in the process that the splicing strips pass through the folding channel, and when the splicing strips pass through the first outlet, the upper end and the lower end of the splicing strips are arranged in a folded manner; the first guide cylinder and the second guide cylinder are connected with the folding cylinder and are respectively positioned above and below the folding cylinder, the front end of the first guide cylinder and the front end of the second guide cylinder are arranged towards the first outlet, when the folding type fabric stitching machine is used, a user can penetrate the folding cylinder through the splicing strips, the upper-layer fabric piece and the lower-layer fabric piece respectively penetrate the first guide cylinder and the second guide cylinder, the structure of the splicing strips folded by the upper-layer fabric piece and the lower-layer fabric piece is formed in the first outlet, the three can be sewn into a whole through one-time sewing under the action of an externally-arranged overlock sewing machine, the requirement of sewing of the splicing strips is met, feeding of the upper-layer fabric piece and the lower-layer fabric piece can be automatically realized through the arrangement of the first guide cylinder and the second guide cylinder, the upper-layer fabric piece is favorably ensured, the lower-layer fabric piece and the splicing strips are sewn on a straight line, and manpower and material saving is favorably realized.

According to some embodiments of the utility model, the folding cylinder comprises a folding piece, a first curling edge and a second curling edge, two ends of the folding piece extend forwards and backwards, the folding piece is vertically arranged, and the upper end and the lower end of the folding piece are gradually closed to the right from back to front; the upper edge of the folded piece is provided with a first turned edge bent leftwards, the lower edge of the folded piece is provided with a second turned edge bent leftwards, the first turned edge and the second turned edge are both arranged on the inner side of the folded tube, and the folded piece, the first turned edge and the second turned edge enclose a folded edge channel together.

The folding piece comprises a folding barrel, a folding piece and a first edge, wherein the folding piece is vertically arranged, the upper end and the lower end of the folding piece are gradually drawn close to the right from back to front, the upper end and the lower end of a splicing strip penetrating through the folding barrel are gradually bent to the right, the folding is realized at a first outlet, the upper edge and the lower edge of the folding piece are respectively provided with a first curling edge bent to the left and a second curling edge bent to the left, the first curling edge and the second curling edge are arranged on the inner side of the folding barrel, the arrangement of the first curling edge and the second curling edge is beneficial to limiting the displacement of the upper end and the lower end of the splicing strip, the problem that the upper end and the lower end of the splicing strip penetrate through a flanging channel to cause the rubbing with the outer contour of the folding barrel is avoided, the self deformation and folding of the splicing strip under the guiding effect of the folding barrel are beneficial to be ensured, and the requirement of edge locking and sewing of the splicing strip is met.

According to some embodiments of the utility model, the folding device further comprises a pressing plate, the pressing plate is arranged in the folding channel, the pressing plate extends from the first inlet to the first outlet, the upper end and the lower end of the rear end of the pressing plate are respectively connected with the first folding edge and the second folding edge, a space is formed between the left side face of the pressing plate and the right side face of the folding piece, and the pressing plate extends along the length direction of the folding cylinder.

The clamp plate sets up in the hem passageway, the clamp plate extends towards first export from first import, the upper end and the lower extreme of clamp plate rear end are connected with first turn-up and second turn-up respectively, and form the interval between the left surface of clamp plate and the right flank of fold piece, the user can use the crochet hook, instrument such as thimble passes the interval between clamp plate and the fold piece with the concatenation strip, make the concatenation strip penetrate in the hem passageway, the clamp plate extends along the length direction who rolls over a section of thick bamboo, being provided with of clamp plate does benefit to and makes the concatenation strip pass the hem passageway with hugging closely, make the concatenation strip can realize self deformation and folding along the deformation of the inside cavity of hem passageway, satisfy the user demand of this three-layer and close palm folding mouth anchor clamps.

According to some embodiments of the utility model, the pressure plate is provided with an adjustment aperture extending along its length.

The adjusting holes extending along the length direction of the pressing plate are formed in the pressing plate, and a user can use tools such as a crochet hook and an ejector pin to penetrate through the adjusting holes, so that the shape of the splicing strip in the edge folding channel can be adjusted, the splicing strip can penetrate through the edge folding channel in a tiled mode, the problems that deformation and the folding effect are poor due to the fact that the splicing strip generates folds can be avoided, and the problem that sewing threads are uneven in the edge locking and sewing process of the splicing strip can be avoided.

According to some embodiments of the utility model, the first guide cylinder and the second guide cylinder are arranged transversely, the right edge of the lower end of the first guide cylinder is abutted with the upper edge of the folding cylinder, the right edge of the upper end of the second guide cylinder is abutted with the lower edge of the folding cylinder, and the front end of the first guide cylinder and the front end of the second guide cylinder both extend to the first outlet.

First guide cylinder and second guide cylinder all are horizontal setting, the right side of first guide cylinder lower extreme is along the butt with the last border of a book section of thick bamboo, the right side of second guide cylinder upper end is along the butt with the lower border of a book section of thick bamboo, in the serging of concatenation strip is made, be favorable to making upper cloth piece and lower floor's cloth piece carry respectively to the upside and the downside of concatenation strip, in order to accomplish the parcel to the concatenation strip, the front end of first guide cylinder and the front end of second guide cylinder all extend to first export, be favorable to avoiding upper cloth piece and lower floor's cloth piece to wear out the problem of walking about after first guide cylinder and the second guide cylinder and appearing, make upper cloth piece, lower floor's cloth piece and concatenation strip can carry to the presser foot department of overedger with hugging closely and accomplish the sewing of three.

According to some embodiments of the utility model, the utility model further comprises a limiting plate; the limiting plate sets up on a book section of thick bamboo right side, rolls over a section of thick bamboo, first guide cylinder and second guide cylinder and all is connected with the limiting plate, and the front end of limiting plate extends to the place ahead of first export.

The limiting plate sets up on the right side of a book section of thick bamboo, and all with a book section of thick bamboo, first guide cylinder and second guide cylinder are connected, the front end of limiting plate extends to the place ahead of first export, being provided with of limiting plate does benefit to restriction upper cloth piece, the removal of lower floor's cloth piece and concatenation strip leads the three, be favorable to making the three carry to the presser foot department of overedger straightly, be favorable to guaranteeing the serging of concatenation strip and make up work on a straight line, be favorable to improving the success rate that the serging of concatenation strip was made up.

According to some embodiments of the utility model, the rear edge of the folding piece is provided with a bending piece bent leftwards, and the lower edge of the rear end of the first guide cylinder and the lower edge of the rear end of the second guide cylinder are provided with guide pieces extending backwards.

The rear edge of the folding cylinder is provided with a bending piece bent leftwards, and the bending piece plays a role in guiding the splicing strip penetrating into the folding cylinder, so that the splicing strip can smoothly penetrate into the folding channel, and the rubbing between the splicing strip and the folding cylinder is reduced; the lower edge of the rear end of the first guide cylinder and the lower edge of the rear end of the second guide cylinder are both provided with guide pieces extending backwards, and the arrangement of the guide pieces is beneficial to enabling the cloth pieces to smoothly penetrate into the first guide cylinder and the second guide cylinder and reducing the problem that the cloth pieces are scratched or damaged due to rubbing of the cloth pieces with the first guide cylinder and the second guide cylinder.

According to some embodiments of the present invention, the present invention further comprises a first serpentine frame and a second serpentine frame, the first serpentine frame is bent left and right at the rear end of the first guide cylinder and the second serpentine frame is bent up and down at the rear end of the folding cylinder, respectively.

The rear end of first guide cylinder and the rear end of second guide cylinder all are provided with and are the first snake shape frame of controlling crooked, the rear end of rolling over a section of thick bamboo is provided with and is the second snake shape frame of bending from top to bottom, being provided with of first snake shape frame and second snake shape frame does benefit to and prevents that cloth piece and concatenation strip from knoing in transportation process to can keep certain pulling force to cloth piece and concatenation strip, make cloth piece and concatenation strip carry to the presser foot department of overedger in an orderly manner and make up of lockstitching.

According to some embodiments of the utility model, the utility model further comprises a mounting plate, two ends of the mounting plate extend left and right, the left end of the mounting plate is connected with the right end of the limiting plate, and the right end of the mounting plate is provided with a first mounting hole.

The left end of mounting panel is connected with the right-hand member of limiting plate, the other end is provided with first mounting hole, first mounting hole is used for being connected with the organism of overedger, thereby provide supporting role to the whole of this three-layer palm book mouthful anchor clamps, in the serging of splicing strip is made up, can penetrate first guide cylinder with upper cloth piece, and penetrate second guide cylinder with lower cloth piece in, make upper and lower two-layer cloth piece together carry out the serging with splicing strip and make up in overedger presser foot department, satisfy the user demand of this three-layer palm book mouthful anchor clamps.

According to some embodiments of the utility model, the mounting plate comprises a first sub-plate and a second sub-plate, the left end of the first sub-plate is connected with the right end of the limiting plate, the right end of the second sub-plate is rotatably connected with the right end of the first sub-plate, the second sub-plate can rotate around an axis extending up and down, and the first mounting hole is formed in the second sub-plate.

The first sub-board is used for being connected with the limiting plate, the right end of the second sub-board is rotatably connected with the right end of the first sub-board, the first mounting hole is arranged on the second sub-board, namely, the second sub-plate is used for connecting the machine body of the overedger, the first sub-plate and the second sub-plate can rotate relatively, the three-layer palm folding clamp can rotate relative to the body of the overedger, when the three-layer palm folding clamp is not needed, the three-layer palm folding clamp can be screwed out of the workbench area of the overedger, when the three-layer palm folding clamp is needed to be used, the three-layer palm folding clamp can be screwed into the workbench area of the overedger and placed on the workbench, therefore, the serging sewing of the splicing strips can be realized, a worker can select whether to use the three-layer palm folding clamp according to the requirement of the worker, and the applicability of the three-layer palm folding clamp can be improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a three-layer palm folding clamp according to an embodiment of the present invention;

fig. 2 is a schematic perspective view illustrating a rotation of a first sub-board relative to a second sub-board of a three-layer palm folding clamp according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of another perspective view of a three-layer palm folding clamp according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of another perspective view of a three-layer palm folding clamp according to an embodiment of the present invention.

In the drawings: 100-folding the cylinder; 110-fold piece; 120-a first curl; 130-a second curl; 200-a first guide cylinder; 300-a second guide cylinder; 400-pressing plate; 410-a conditioning aperture; 500-limiting plate; 610-bending sheets; 620-guide piece; 710-a first serpentine shelf; 720-second snake shaped rack; 800-mounting a plate; 810-a first daughter board; 811-connecting plate; 812-a fixation plate; 8121-a first conditioning plate; 8122-a second conditioning plate; 820-a second daughter board; 821-first mounting hole.

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 or similar 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 should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of the terms are not limited to a certain number, and a plurality of the terms are two or more, and the terms larger, smaller, larger, and the like are understood to include the number of the terms, and the terms larger, smaller, and the like are understood to include the number of the terms. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Additionally, appearing throughout and/or representing three side-by-side scenarios, e.g., A and/or B represents a scenario satisfied by A, a scenario satisfied by B, or a scenario satisfied by both A and B.

In the description of the present invention, there is a phrase containing a plurality of parallel features, wherein the phrase defines the closest feature, for example: b, C disposed on A, E connected to D, B disposed on A, E connected to D, C is not limited; however, terms indicating relationships between features such as "spaced apart", "arranged in a ring", etc. do not fall within this category. The phrase preceded by the word "mean" indicates that it is a definition of all features in the phrase, and if it is B, C, D, it indicates that both B, C and D are located on a.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

An embodiment of the present invention will be described below with reference to fig. 1 to 4.

In a first embodiment, referring to fig. 1, an embodiment of the present invention provides a three-layer palm folding clamp, including: the folding cylinder 100, the first guide cylinder 200 and the second guide cylinder 300.

Referring to fig. 3 and 4, two ends of the folding cylinder 100 extend forward and backward, the front end and the rear end of the folding cylinder 100 are respectively provided with a first outlet and a first inlet, and the splice bar can penetrate into the folding cylinder 100 from the first inlet and penetrate out from the first outlet. The length direction of first import is and extends from top to bottom, is the rectangle setting like first import, and the long limit of first import is and extends from top to bottom, and the concatenation strip need penetrate first import department vertically, and first import can set up to the hole of platykurtic to make the concatenation strip can fill first import to a great extent, thereby utilize the spacing straightness accuracy and the stability of ensureing the concatenation strip and carrying of first import.

Roll over an upper end and a lower extreme of section of thick bamboo 100 and draw close in order to form the hem passageway from first import gradually in opposite directions from first export, it is concrete, the upper end and the lower extreme of a section of thick bamboo 100 are crooked in opposite directions right gradually, through the back of buckling of a section of thick bamboo 100 upper end and lower extreme, first export is the U-shaped setting, after the concatenation strip penetrates the hem passageway from first import department, under the guide effect of hem passageway, concatenation strip upper end and lower extreme are realized warping and are folded along with the shape change in the hem passageway gradually, thereby the upper end and the lower extreme of concatenation strip draw close in opposite directions gradually and realize folding, and accomplish the fifty percent discount and the output of concatenation strip upper end and lower extreme in first exit.

Referring to fig. 1 and 4, the first guide cylinder 200 and the second guide cylinder 300 extend in a transverse direction, the first guide cylinder 200 is disposed above the folding cylinder 100, a right edge of a lower end of the first guide cylinder 200 is connected to an upper edge of the folding cylinder 100, a front end of the first guide cylinder 200 is disposed toward the first outlet, the second guide cylinder 300 is disposed below the folding cylinder 100, a right edge of an upper end of the second guide cylinder 300 is connected to a lower edge of the folding cylinder 100, a front end of the second guide cylinder 300 is disposed toward the first outlet, namely, a user can penetrate the upper layer cloth piece, the splicing strips and the lower layer cloth piece into the first guide cylinder 200, the second guide cylinder 300 and the folding cylinder 100 above the three-layer palm folding clamp without turning over the three-layer palm folding clamp, the first guide cylinder 200 and the second guide cylinder 300 can be connected with the folding cylinder 100 by welding, and the cloth sheets passing through the first guide cylinder 200 and the second guide cylinder 300 are respectively positioned above and below the folding cylinder 100.

The front end of the first guide cylinder 200 and the front end of the second guide cylinder 300 both extend to the first outlet, so that the problem that the upper cloth piece and the lower cloth piece are deviated after penetrating out of the first guide cylinder 200 and the second guide cylinder 300 is avoided, and the upper cloth piece, the lower cloth piece and the splicing strip can be conveyed to the presser foot of the overedger tightly to complete sewing of the upper cloth piece, the lower cloth piece and the splicing strip.

During the lockstitching of splicing strip is carried out in sports wear, the side department of swimsuit, can penetrate into a section of thick bamboo 100 with the splicing strip for the upper end and the lower extreme of splicing strip are along with the shape change of hem passageway, realize that the upper end and the lower extreme of splicing strip turn over the book gradually in opposite directions toward first export from first import, and through the width of controlling first export, thereby make the upper end and the lower extreme fifty percent discount of the splicing strip of wearing out first export.

And the upper layer cloth piece and the lower layer cloth piece respectively penetrate into the first guide cylinder 200 and the second guide cylinder 300, under the guiding action of the first guide cylinder 200 and the second guide cylinder 300, the upper layer cloth piece and the lower layer cloth piece are respectively and transversely conveyed to the upper part and the lower part of the splicing strip, because the first guide cylinder 200 and the second guide cylinder 300 are respectively connected with the upper edge and the lower edge of the folding cylinder 100, and the front end of the first guide cylinder 200 and the front end of the second guide cylinder 300 both extend to a first outlet, a structure that the upper layer cloth piece and the lower layer cloth piece are wrapped by the folded splicing strip is formed at the first outlet of the three-layer palm folding clamp, and the three are conveyed to the presser foot of the overedger together.

Under the effect of overedger, only can realize the connection of three through a sewing, satisfy the lockstitch demand of making up of concatenation strip, the pay-off of upper cloth piece and lower floor's cloth piece can be realized automatically in the setting of first guide cylinder 200 and second guide cylinder 300, be favorable to guaranteeing upper cloth piece, lower floor's cloth piece and concatenation strip are made up on a straight line, the setting of first guide cylinder 200 and second guide cylinder 300 can realize upper cloth piece and lower floor's cloth piece at the transport of same position and same angle automatically, be favorable to guaranteeing the accuracy nature of lockstitch the making up of concatenation strip, be favorable to using manpower sparingly and material.

It should be noted that the gradual approaching of the upper end and the lower end of the folding cylinder 100 from the first inlet to the first outlet includes the following two situations: the upper end and the lower end of the folding cylinder 100 start to gradually approach towards each other at the first inlet, so that a folding channel is formed; and the upper end and the lower end of the folding cylinder 100 have a certain bending degree at the first inlet, and the closer to the first outlet, the closer the upper end and the lower end of the folding cylinder 100 are, the more gradually the closer the upper end and the lower end are.

Referring to fig. 3, it is further preferable that the folding tube 100 includes a flap 110, a first bead 120 and a second bead 130, two ends of the flap 110 extend forward and backward, the flap 110 is vertically disposed, an upper end and a lower end of the flap 110 gradually close to each other from back to front and to the right, bending of the upper end and the lower end of the flap 110 can be achieved by a bending machine or manual bending, an upper edge and a lower edge of the flap 110 are respectively provided with the first bead 120 extending leftward and the second bead 130 extending leftward, a side close to a center of the folding tube 100 is an inner side, the first bead 120 and the second bead 130 are both disposed inside the folding tube 100, and the flap 110, the first bead 120 and the second bead 130 together form a folding channel.

Leave the interval between first turn-up 120 and the folded piece 110, leave the interval between second turn-up 130 and the folded piece 110, for the concatenation strip to pass, pass the in-process of hem passageway at the concatenation strip, the upper end and the lower extreme of concatenation strip are crooked right gradually, and realize the fifty percent discount at first exit, the displacement of restriction concatenation strip upper end and lower extreme is favorable to being provided with of first turn-up 120 and second turn-up 130, be favorable to avoiding the upper end and the lower extreme of concatenation strip to wear out the problem appearance of hem passageway, be favorable to guaranteeing that the concatenation strip realizes self deformation and folding under the direction of a section of thick bamboo 100, satisfy the demand of making up of the lockstitching of concatenation strip.

Further preferably, this three-layer is closed palm and is rolled over a mouthful anchor clamps still includes clamp plate 400, clamp plate 400 sets up in the hem passageway, clamp plate 400 extends towards first export from first import, the upper end and the lower extreme of clamp plate 400 lower extreme are connected with first turn-up 120 and second turn-up 130 respectively, clamp plate 400 wears to locate in the hem passageway, and form the interval between the left surface of clamp plate 400 and the right flank of fold piece 110, the interval can supply the concatenation strip to penetrate in the hem passageway, clamp plate 400 extends along the length direction of a section of thick bamboo 100, and for the cooperation is bent in opposite directions of a section of thick bamboo 100 upper end and lower extreme, clamp plate 400 is the toper setting from back to front, be favorable to avoiding clamp plate 400 to cause to block to the buckling of a section of thick bamboo 100.

During the use, the usable crochet hook of user, instrument such as thimble will splice the strip and penetrate the interval between clamp plate 400 and the folded piece 110, make the concatenation strip penetrate in the hem passageway, clamp plate 400 extends along the length direction of a section of thick bamboo 100, clamp plate 400 be provided with do benefit to and make the concatenation strip pass the hem passageway with hugging closely, make the concatenation strip can realize warping and folding gradually along the deformation of the inside cavity of hem passageway, be favorable to guaranteeing the deformation and the folding of concatenation strip, be favorable to avoiding because the concatenation strip leads to warping and the not good appearance of folding effect because too loose when passing the hem passageway, satisfy the user demand of this three-layer joint palm folding mouth anchor clamps.

Be provided with the regulation hole 410 that extends along its length direction on the clamp plate 400, the user can use tools such as crochet hook, thimble to pass regulation hole 410 to adjust the shape that is located the concatenation strip of hem passageway, be favorable to making the concatenation strip pass the hem passageway with tiling, be favorable to avoiding leading to warping and the not good problem of folding effect to appear because the concatenation strip produces the fold, be favorable to avoiding sewing uneven problem appearance of in-process sewing at the lockstitching of concatenation strip.

Further preferably, this three-layer is closed palm and is rolled over a mouthful anchor clamps and still includes limiting plate 500, and limiting plate 500 sets up on a section of thick bamboo 100 right side, and all is connected with the last border and the lower border of a section of thick bamboo 100, and limiting plate 500 can seal the interval between a section of thick bamboo 100 upper end and the lower extreme promptly, is favorable to reducing the problem that the concatenation strip worn out a section of thick bamboo 100 and appears.

First guide cylinder 200 and second guide cylinder 300 all are connected with limiting plate 500, limiting plate 500's front end extends to the place ahead of first export, limiting plate 500 be provided with do benefit to the removal of restriction upper cloth piece, lower floor's cloth piece and concatenation strip and lead to the three, be favorable to making the three carry to the presser foot department of overedger straightly, be favorable to guaranteeing that the lockstitch of concatenation strip is made up work on a straight line, be favorable to improving the success rate that the lockstitch of concatenation strip was made up.

Further preferably, the rear edge of the folding cylinder 100 is provided with a bending piece 610 bent leftwards, and the bending piece 610 plays a role in guiding the splicing strips penetrating into the folding cylinder 100, so that the splicing strips can smoothly penetrate into the folding channel, and the rubbing between the splicing strips and the folding cylinder 100 is reduced; the lower edge of the rear end of the first guide cylinder 200 and the lower edge of the rear end of the second guide cylinder 300 are both provided with guide pieces 620 extending backwards, the guide pieces 620 can support the cloth pieces, the arrangement of the guide pieces 620 is favorable for enabling the cloth pieces to smoothly penetrate into the first guide cylinder 200 and the second guide cylinder 300, and the problem that the cloth pieces are scratched or damaged due to scratching of the cloth pieces with the first guide cylinder 200 and the second guide cylinder 300 is solved.

Further preferably, the three-layer palm folding clamp further comprises a first snake-shaped frame 710 and a second snake-shaped frame 720, the lower edge of the rear end of the first guide cylinder 200 and the lower edge of the rear end of the second guide cylinder 300 are respectively provided with the first snake-shaped frame 710 which is bent left and right, and the left edge of the rear end of the folding cylinder 100 is provided with the second snake-shaped frame 720 which is bent up and down.

First snake-shaped frame 710 and second snake-shaped frame 720 are provided with and do benefit to and prevent that cloth piece and concatenation strip from knoing at transportation process to can keep certain pulling force to cloth piece and concatenation strip, make cloth piece and concatenation strip carry to the presser foot department of overedger in an orderly manner and sew up the lockstitching.

Further preferably, this three-layer is folded palm and is rolled over mouthful anchor clamps still includes mounting panel 800, and mounting panel 800 both ends are left right extension, and the left end of mounting panel 800 is connected with the right-hand member of limiting plate 500, and the right-hand member of mounting panel 800 is equipped with first mounting hole 821.

The first mounting hole 821 is used for being connected with a machine body of the overedger, so that a supporting effect is provided for the whole three-layer palm folding clamp, an upper layer cloth piece can penetrate into the first guide cylinder 200 in the process of sewing the overlock of the splicing strip, a lower layer cloth piece can penetrate into the second guide cylinder 300, the upper layer cloth piece and the lower layer cloth piece are conveyed to the presser foot of the overedger together with the splicing strip to be sewn in the overlock mode, and the use requirement of the three-layer palm folding clamp is met.

Referring to fig. 1 and 2, it is further preferable that the mounting plate 800 includes a first sub-plate 810 and a second sub-plate 820, a left end of the first sub-plate 810 is connected to the limiting plate 500, the second sub-plate 820 is located above the first sub-plate 810, a right end of the second sub-plate 820 is rotatably connected to a right end of the first sub-plate 810, and the first mounting hole 821 is provided on the second sub-plate 820, that is, the second sub-plate 820 is used for connecting to a machine body of the overedger, the first sub-plate 810 and the second sub-plate 820 can rotate relatively, and the three-layer half-crease clamp can rotate relative to the machine body of the overedger.

When the three-layer palm folding clamp is not needed, the three-layer palm folding clamp can be screwed out of a workbench area of the overedging machine, and when the three-layer palm folding clamp is needed, the three-layer palm folding clamp can be screwed into the workbench area of the overedging machine, and the three-layer palm folding clamp is placed on the workbench, so that the serging sewing of the splicing strip can be realized, a worker can select whether to use the three-layer palm folding clamp according to the requirement of the worker, and the applicability of the three-layer palm folding clamp can be improved.

Referring to fig. 3, further preferably, the three-layer palm folding clamp further includes a screw, such as a screw, a bolt, and other threaded fixing members, the first sub-board 810 includes a connecting plate 811 and a fixing plate 812, one end of the connecting plate 811 is connected with the right side surface of the limiting plate 500, the other end of the connecting plate 811 is provided with a second mounting hole, the second mounting hole extends along the length direction of the connecting plate 811, the left end of the fixing plate 812 is provided with a first screw hole, the screw passes through the second mounting hole and is in threaded connection with the first screw hole, and one end of the fixing plate 812, which is far away from the first screw hole, is used for being connected with the second sub-board 820.

The user can pass the screwed part behind the second mounting hole with first screw threaded connection to realize that this three-layer is closed palm and rolls over the installation of mouthful anchor clamps fixed, the user passes the position of second mounting hole on left and right sides side through adjusting the screwed part, the relative position relation of folding mouthful anchor clamps and overedger is closed to adjustable three-layer, thereby make this three-layer close palm roll over mouthful anchor clamps applicable in the different overedger of various specifications, be favorable to improving the suitability of this three-layer close palm roll over mouthful anchor clamps.

Referring to fig. 4, it is further preferable that the fixing plate 812 further includes a first adjusting plate 8121 and a second adjusting plate 8122, the left end of the first adjusting plate 8121 is connected to the connecting plate 811, the right end of the first adjusting plate 8121 is provided with a plurality of third mounting holes penetrating left and right in a front-rear spaced arrangement, the left end of the second adjusting plate 8122 is provided with a plurality of fourth mounting holes penetrating left and right in a front-rear spaced arrangement, and the right end of the second adjusting plate 8122 is rotatably connected to the second sub-plate 820.

The user is through passing the mounting such as screw, bolt behind different third mounting hole and the fourth mounting hole, can change a roll 100 and the frame of overedger in the ascending relative position relation in front and back direction, cooperation second mounting hole, a frame for adjusting roll 100 and overedger is in the ascending relative position relation of left right direction, be favorable to the user according to self in-service use demand, adjust the relative position relation of a roll 100 and the frame of overedger, with the user demand of the overedger that is fit for different specifications, be favorable to improving the suitability of this three-layer palm-closing folding mouth anchor clamps.

The second embodiment of the present invention further provides a three-layer palm folding clamp, including: the folding cylinder 100, the first guide cylinder 200 and the second guide cylinder 300, wherein the structure and the connection relationship of the first guide cylinder 200 and the second guide cylinder 300 are substantially similar to those of the first embodiment, and the main differences are that: roll over a section of thick bamboo 100 for being the tubular product that extends around, first import is the rectangle setting, and the long limit of first import is and extends from top to bottom, and the upper end and the lower extreme of a section of thick bamboo 100 of rolling over are gradually buckled in opposite directions from first import toward first export in order to form the hem passageway, and first exit is the setting of type Chinese character' ao for the concatenation strip passes and is the setting of U font behind the hem passageway, satisfies this three-layer and closes the user demand of palm a book mouthful anchor clamps.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (10)

1. The utility model provides a three-layer palm folding mouth anchor clamps which characterized in that includes:

the folding cylinder is characterized in that two ends of the folding cylinder extend forwards and backwards, a first outlet and a first inlet are respectively arranged at the front end and the rear end of the folding cylinder, the length direction of the first inlet extends up and down, and the upper end and the lower end of the folding cylinder gradually approach towards each other from the first inlet to the first outlet to form a folding channel;

the first guide cylinder is connected with the folding cylinder and arranged above the folding cylinder, and the front end of the first guide cylinder is arranged towards the first outlet;

the second guide cylinder is connected with the folding cylinder and arranged below the folding cylinder, and the front end of the second guide cylinder faces the first outlet.

2. The three-layer palm folding clamp according to claim 1, wherein the folding cylinder comprises a folding piece, a first curling edge and a second curling edge, two ends of the folding piece extend forwards and backwards, the folding piece is vertically arranged, and the upper end and the lower end of the folding piece gradually get close to the right from the back to the front; the folding piece is characterized in that a first curling edge bent leftwards is arranged at the upper edge of the folding piece, a second curling edge bent leftwards is arranged at the lower edge of the folding piece, the first curling edge and the second curling edge are arranged on the inner side of the folding tube, and the folding piece, the first curling edge and the second curling edge jointly form a folding edge channel.

3. The three-layer palm folding clamp according to claim 2, further comprising a pressing plate disposed in the folding channel, wherein the pressing plate extends from the first inlet toward the first outlet, an upper end and a lower end of a rear end of the pressing plate are respectively connected with the first curling edge and the second curling edge, a space is formed between a left side surface of the pressing plate and a right side surface of the folding piece, and the pressing plate extends along a length direction of the folding cylinder.

4. The three-layer palm-folding clamp according to claim 3, wherein the pressing plate is provided with an adjusting hole extending along the length direction thereof.

5. The three-layer palm folding clamp according to claim 4, wherein the first guide cylinder and the second guide cylinder are transversely arranged, the right edge of the lower end of the first guide cylinder is abutted with the upper edge of the folding cylinder, the right edge of the upper end of the second guide cylinder is abutted with the lower edge of the folding cylinder, and the front end of the first guide cylinder and the front end of the second guide cylinder both extend to the first outlet.

6. The three-layer palm folding clamp according to claim 5, further comprising a limiting plate; the limiting plate is arranged on the right side of the folding cylinder, the first guide cylinder and the second guide cylinder are all connected with the limiting plate, and the front end of the limiting plate extends to the front of the first outlet.

7. The three-layer palm folding clamp as claimed in claim 6, wherein the rear edge of the folding piece is provided with a folding piece which is bent leftwards, and the lower edge of the rear end of the first guide cylinder and the lower edge of the rear end of the second guide cylinder are both provided with guide pieces which extend backwards.

8. The three-layer palm folding clamp according to claim 7, further comprising a first snake-shaped frame and a second snake-shaped frame, wherein the first snake-shaped frame is bent left and right at the rear end of the first guide cylinder and the rear end of the second guide cylinder, and the second snake-shaped frame is bent up and down at the rear end of the folding cylinder.

9. The three-layer palm folding clamp according to any one of claims 6 to 8, further comprising a mounting plate, wherein two ends of the mounting plate extend left and right, the left end of the mounting plate is connected with the right end of the limiting plate, and the right end of the mounting plate is provided with a first mounting hole.

10. The three-layer palm folding clamp according to claim 9, wherein the mounting plate comprises a first sub-plate and a second sub-plate, the left end of the first sub-plate is connected with the right end of the limiting plate, the right end of the second sub-plate is rotatably connected with the right end of the first sub-plate, the second sub-plate can rotate around an axis extending up and down, and the first mounting hole is formed in the second sub-plate.

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