CN215976335U - Double-layer palm-folding three-folding cylinder - Google Patents

Abstract

The utility model discloses a double-layer palm folding three-folding cylinder, which comprises: the first folding tube comprises a first left side plate, a first bottom plate and a first right side plate which are sequentially connected from left to right, the first left side plate and the first right side plate are gradually bent in opposite directions from a first inlet to a first outlet to form a first folding channel, and a first distance is formed between the first pressing plate and the first bottom plate; the second folding cylinder penetrates through the first folding channel and comprises a second left side plate, a second bottom plate and a second right side plate which are sequentially connected from left to right, the second left side plate and the second right side plate are gradually bent in opposite directions from a second inlet to a second outlet to form a second folding channel, and a second distance is formed between the second pressing plate and the second bottom plate; the arrangement of the first pressing plate and the second pressing plate enables the cloth strips to pass through the first folding cylinder and the second folding cylinder in a clinging mode, and the problem that the cloth strips deviate in the conveying process can be avoided.

Description

Double-layer palm-folding three-folding cylinder

Technical Field

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

Background

In the sewing process, a cloth strip with a ring structure is often required to wrap the components such as the reinforcing support or the breathable sheet. The cloth strip with the annular structure is generally obtained by overlapping two ends of the cloth strip and then sewing. However, most of the cloth strips with the existing annular structure are single-layer cloth strips, the thickness of the cloth strips with the single-layer annular structure is difficult to meet the wrapping requirement of a steel ring of underwear, and the pressure of the steel ring on a human body is not relieved to a sufficient degree when the underwear is worn. For this reason, it is necessary to increase the thickness in the single-layer loop-structured fabric strip to enhance the effect of the wrapping pressure reduction.

Therefore, double-layer folding clamps for folding cloth strips to obtain double-layer annular cloth strips appear in the market, but the double-layer folding clamps are loose during cloth strip conveying, easily deviate during the cloth strip conveying process, need to be adjusted by workers for many times, and are inconvenient.

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 double-layer palm folding three-folding cylinder which comprises a first folding cylinder, a second folding cylinder and a third folding cylinder, wherein the first folding cylinder comprises a first left side plate, a first bottom plate and a first right side plate which are sequentially connected from left to right; the first folding cylinder comprises a first inlet and a first outlet, the first left side plate and the first right side plate are gradually bent towards each other from the first inlet to the first outlet to form a first folding channel, the width of the first outlet is less than or equal to half of the width of the first inlet, and the first folding channel is positioned above the first bottom plate; the first pressure plate is arranged in the first flanging channel and extends from the first inlet to the first outlet, the rear end of the first pressure plate is connected with the first folding cylinder, and a first distance is formed between the first pressure plate and the first bottom plate; the second folding cylinder penetrates through the first folding channel and is positioned above the first pressing plate, and the second folding cylinder comprises a second left side plate, a second bottom plate and a second right side plate which are sequentially connected from left to right; the second folding cylinder comprises a second inlet and a second outlet, the second outlet is communicated with the first outlet, the second left side plate and the second right side plate are gradually bent towards each other from the second inlet to the second outlet to form a second folding channel, the width of the second outlet is smaller than or equal to half of the width of the second inlet, and the second folding channel is positioned below the second bottom plate; the second pressing plate is arranged in the second flanging channel and extends from the second inlet to the second outlet, the rear end of the second pressing plate is connected with the second flanging cylinder, and a second distance is formed between the second pressing plate and the second bottom plate.

According to the three-folding cylinder with the double-folding palm, provided by the embodiment of the utility model, at least the following beneficial effects are achieved: when in use, a user can pass the outer cloth strip through a first distance between the first pressing plate and the first bottom plate, so that the outer cloth strip penetrates into the first flanging channel, the first flanging channel is formed by oppositely bending the first left side plate and the first right side plate to form a ring shape, the inner cloth strip penetrates through a second distance between the second pressing plate and the second bottom plate, so that the inner cloth strip penetrates into the second flanging channel, the second flanging channel is formed by oppositely bending the second left side plate and the second right side plate to form a ring shape, the width of the second outlet is less than or equal to half of the width of the second inlet, so that the left end and the right end of the inner cloth strip are formed into a ring shape after the inner cloth strip passes through the first flanging channel, and the second folding tube penetrates into the first flanging channel, the inlayer cloth passes the inboard that lies in outer cloth behind the second flange, thereby form double-deck annular cloth, in the making up of underwear, be favorable to playing good parcel effect to the steel ring of brassiere, avoid the steel ring to produce great pressure or the problem that the steel ring exposes in the washing process to the human body to appear, the setting of first clamp plate and second clamp plate is favorable to making the cloth hug closely first hem passageway and second hem passageway in carrying, the change of the internal shape of utilizing first hem passageway and second hem passageway realizes the deformation and the folding of cloth, be favorable to reducing the cloth and the problem that the skew appears in carrying.

According to some embodiments of the present invention, the first pressing plate is provided with a first adjusting hole extending along a length direction of the first pressing plate, and the second pressing plate is provided with a second adjusting hole extending along a length direction of the second pressing plate.

Be equipped with the first regulation hole that extends along its length direction on the first clamp plate, be provided with the second regulation hole that extends along its length direction on the second clamp plate, during the use, the user can pass first regulation hole or second regulation hole with the thimble of peripheral hardware, tools such as crochet hook, and then realize shakeout and penetrate the cloth of first hem passageway or second hem passageway, the function of carrying forward along first hem passageway or second hem passageway is followed to the control cloth, be favorable to ensureing to form double-deck annular cloth, satisfy the user demand of this double-deck three cylinder of palm folding.

According to some embodiments of the present invention, the first left side plate and the first right side plate are overlapped and separated from each other, and the second left side plate and the second right side plate are overlapped and separated from each other.

The width of the first outlet is less than or equal to half of the width of the first inlet, the width of the second outlet is less than or equal to half of the width of the second inlet, the first left side plate and the first right side plate are arranged in an overlapped mode and are separated from each other, the second left side plate and the second right side plate are arranged in an overlapped mode and are separated from each other, therefore, after the outer cloth strip passes through the first flanging channel, the folding amplitude of the left end and the right end of the outer cloth strip is controlled, the left end and the right end of the outer cloth strip can be ensured to be mutually overlapped and form a ring shape, the folding amplitude of the left end and the right end of the inner cloth strip is controlled after the inner cloth strip passes through the second flanging channel, the left end and the right end of the inner cloth strip can be mutually overlapped and form a ring shape and are matched with the outer ring-shaped cloth strip to form a double-layer ring-shaped cloth strip, in the sewing of underwear, the better wrapping effect on a steel ring is favorably realized, and the situation that the pressure generated by the steel ring to a human body is larger in the wearing process of the underwear is avoided, And the problem that the steel ring is exposed in the cleaning process of the underwear.

According to some embodiments of the utility model, the first folding channel is located above the first bottom plate, the first left side plate is located below the first right side plate, the second folding channel is located below the second bottom plate, and the second left side plate is located below the second right side plate.

First hem passageway is located the top of first bottom plate, first left side board is located the below of first right side board, the second hem passageway is located the below of second bottom plate, the second left side board is located the below of second right side board, the direction of turning over of the book direction of outer cloth and the book direction of turning over of inlayer cloth are opposite promptly, make the parcel direction of outer cloth and inlayer cloth be opposite, be favorable to increasing the parcel stability behind outer cloth and the inlayer cloth connection double-deck annular cloth, in the making up of underwear, be favorable to increasing the parcel effect of cloth to the steel ring, avoid the problem that the steel ring exposes in the cleaning process of underwear.

According to some embodiments of the utility model, the folding device further comprises a fixing piece, wherein a first groove communicated with the front and the back is formed in the fixing piece, the fixing piece is connected with the rear end of the first pressing plate, a third adjusting hole is formed by the first groove and the upper end face of the first pressing plate in a surrounding mode, and the upper end of the fixing piece is connected with the second folding cylinder.

This triple folding section of thick bamboo of double-deck palm that closes still includes the stationary blade, the first recess of intercommunication around setting up on the stationary blade, first recess encloses into the third regulation hole with the up end of first clamp plate, the upper end and the second of stationary blade are rolled over a section of thick bamboo and are connected, the stationary blade all is rolled over a section of thick bamboo with first folder and second and is connected, be favorable to strutting first folder and second folder when keeping first folder and second folder relative position, in order to avoid first folder to cause the second regulation hole to block and the second folder causes to block first regulation hole, the setting of third regulation hole is so that the user passes through instruments such as crochet hook, thimbles and first regulation hole and second regulation hole department and adjusts the cloth, satisfy this triple folding section of thick bamboo of double-deck palm that closes the user demand.

According to some embodiments of the utility model, the first left side plate is provided with a first flange bent leftwards at the upper edge, and the first flange is arranged at one side close to the first flange channel; the upper edge of the first right side plate is provided with a second turned edge bent rightwards, and the second turned edge is arranged on one side close to the first turned edge channel.

The upper edge of the first left side plate is provided with a first turned edge bent leftwards, the upper edge of the first right side plate is provided with a second turned edge bent rightwards, the first turned edge and the second turned edge are arranged on one side close to the first turned edge channel, the cloth strips gradually deform and fold after passing through the first turned edge channel, the first turned edge and the second turned edge are favorable for limiting the movement of the cloth strips in the left-right direction, the problem that the cloth strips penetrate through the first turned edge channel to cause scratch with the outer contour of the first folding cylinder is avoided, and the cloth strips are favorably deformed and folded under the guiding action of the first turned edge channel.

According to some embodiments of the utility model, a third turned edge bent to the left is arranged at the lower edge of the second left side plate, and the third turned edge is arranged at one side close to the second turned edge channel; the lower edge of the second right side plate is provided with a fourth turned edge bent rightwards, and the fourth turned edge is arranged on one side close to the second turned edge channel.

The lower edge of the second left side plate is provided with a third turned edge bent leftwards, the lower edge of the second right side plate is provided with a fourth turned edge bent rightwards, the third turned edge and the fourth turned edge are both arranged at one side close to the second turned edge channel, the third turned edge and the fourth turned edge are beneficial to limiting the movement of the two ends of the cloth strip in the left-right direction in the process that the cloth strip passes through the second turned edge channel to be gradually deformed and folded, the problem that the cloth strip penetrates out of the second turned edge channel to cause the outer contour of the second folding cylinder to be scratched is avoided, and the deformation and folding of the cloth strip under the guiding action of the second turned edge channel are favorably ensured.

According to some embodiments of the present invention, the lower edge of the rear end of the first folding channel is provided with a first bending piece bending downwards, and the lower edge of the rear end of the second folding channel is provided with a second bending piece bending downwards.

The lower edge of the rear end of the first folding channel is provided with a first folding sheet which is bent downwards, the lower edge of the rear end of the second folding channel is provided with a second folding sheet which is bent downwards, when the outer cloth strip penetrates into the first folding channel from the first inlet, the inner cloth strip penetrates into the second folding channel from the second inlet, the first folding sheet and the second folding sheet are arranged to be beneficial to increasing the smoothness of the outer cloth strip penetrating into the first folding channel and the inner cloth strip penetrating into the second folding channel, the problem that the cloth strip is scratched and damaged due to scratch of the cloth strip and the corners of the first folding cylinder or the second folding cylinder is reduced, and the first folding sheet and the second folding sheet are staggered in the front-back direction, so that the problem that the corners of the inner cloth strip and the outer cloth strip are wound and knotted in the conveying process is avoided.

According to some embodiments of the utility model, the folding device further comprises a limiting block, the limiting block is connected with the first folding cylinder or the second folding cylinder, the limiting block extends to the position above the first outlet, and the front end of the limiting block is provided with a first sub-plate and a second sub-plate; the first sub-plate and the second sub-plate are respectively located on the left side and the right side of the first outlet and both extend downwards.

This triple folding section of thick bamboo of double-deck palm that closes still includes the stopper, and the stopper extends to the top department of first export, and first daughter board and second daughter board are located the left side and the right side of first export respectively, and all downwardly extending, and being provided with of stopper does benefit to the cloth that the foldaway was accomplished and plays spacing, the effect of binding, is favorable to avoiding the cloth to wear out first folding section of thick bamboo and second folding section of thick bamboo after walk partially and the structure becomes loose and lead to the uneven problem of sewing to appear.

According to some embodiments of the utility model, the folding device further comprises a mounting plate, two ends of the mounting plate extend leftwards and rightwards, the mounting plate is connected with the lower surface of the first folding cylinder, two mounting holes penetrating upwards and downwards are respectively formed in the left end and the right end of the mounting plate, and the two mounting holes are respectively located at the left end and the right end of the first folding cylinder.

This triple folding cylinder of double-deck palm that closes still includes the mounting panel, the both ends of mounting panel are and control extend, the mounting hole of mounting panel left end is located the left of first folding cylinder, the mounting hole of right-hand member is located the right-hand of first folding cylinder, the mounting panel is used for being connected with sewing machine's workstation, the user can pass the screw thread spare behind the mounting hole with the screw threaded connection of predetermineeing on the workstation to realize this triple folding cylinder of double-deck palm that closes's installation, fixed, satisfy this triple folding cylinder's of double-deck palm user demand.

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 triple-folding cylinder with a double-folding palm according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of another view angle of a triple-folding cylinder with two folding palm according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of another view angle of a triple-folding cylinder with two folding palm according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a first folding cylinder of a double-palm-folding triple folding cylinder according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a second folding cylinder of a triple folding cylinder with a double-folding palm according to an embodiment of the present invention.

In the drawings: 100-a first folder; 110-a first left side panel; 120-a first backplane; 130-a first right side panel; 200-a first platen; 210-a first adjustment aperture; 300-a second folding cylinder; 310-a second left side panel; 320-a second backplane; 330-a second right side panel; 400-a second platen; 410-a second adjustment aperture; 500-a fixing sheet; 510-a third adjustment aperture; 600-a first bending piece; 700-a second bending piece; 800-a limiting block; 810-a first daughter board; 820-a second daughter board; 900-mounting plate; 910-mounting holes.

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.

Embodiments of the present invention will be described below with reference to fig. 1 to 5.

Embodiment one, referring to fig. 1, 4 and 5, an embodiment of the present invention provides a double-palm three-fold cylinder, including: a first folder 100, a first pressing plate 200, a second folder 300, and a second pressing plate 400.

Wherein, the first folding tube 100 comprises a first left side plate 110, a first bottom plate 120 and a first right side plate 130 connected in sequence from left to right, namely, the first left side plate 110 and the first right side plate 130 are respectively connected with the left end and the right end of the first bottom plate 120, the first folding tube 100 comprises a first inlet and a first outlet, the first left side plate 110 and the first right side plate 130 are gradually bent from the first inlet to the first outlet in opposite directions to enclose a first folding channel, namely, the first folding channel is gradually narrowed from the first inlet to the first outlet, the first left side plate 110 and the first right side plate 130 are arranged in an overlapping manner and separated from each other, the width of the first outlet is less than or equal to half of the width of the first inlet, the first folding channel is located above the first bottom plate 120, and the first left side plate 110 is located below the first right side plate 130, namely, at the first outlet, the first right side plate 130 is located above the first left side plate 110, and a gap is left between the lower end surface of the first right side plate 130 and the upper end surface of the first left side plate 110, so that the cloth strips can pass through and can be folded at the first outlet.

First clamp plate 200 sets up in first hem passageway, and extend from first import toward first export, the left end and the right-hand member of first clamp plate 200 are connected with the left end and the right-hand member of first folder 100 respectively, form first interval between first clamp plate 200 and the first bottom plate 120, first clamp plate 200 sets up in the one side that is close to first bottom plate 120, make the cloth penetrate first hem passageway after the user passes the cloth first interval in, being provided with of first clamp plate 200 does benefit to and makes the cloth hug closely first bottom plate 120, and realize deforming gradually along first hem passageway, fold, thereby avoid because the cloth is too loose in the folder and lead to the cloth skew to appear and the not good problem of folding effect to appear in transportation process to appear. The first pressing plate 200 is tapered from the rear to the front to prevent the first left side plate 110 and the first right side plate 130 from being bent and blocked.

Referring to fig. 1 and 2, the second folder 300 is disposed in the first folding channel and located above the first pressing plate 200, the second folder 300 includes a second left side plate 310, a second bottom plate 320 and a second right side plate 330 which are sequentially connected from left to right, that is, the second left side plate 310 and the second right side plate 330 are respectively connected with the left end and the right end of the second bottom plate 320, the second folder 300 includes a second inlet and a second outlet, the second outlet is communicated with the first outlet, and the width of the second outlet is less than or equal to half of the width of the second inlet.

The second left side plate 310 and the second right side plate 330 are gradually bent from the second inlet to the second outlet in opposite directions to form a second folding channel, that is, the second folding channel is gradually narrowed from the second inlet to the second outlet in opposite directions, the second left side plate 310 and the second right side plate 330 are arranged in an overlapping manner and separated from each other, the second left side plate 310 is located below the second right side plate 330, and the second folding channel is located below the second bottom plate 320, that is, at the second outlet, the second right side plate 330 is located above the second left side plate 310, and a gap is left between the lower end surface of the second right side plate 330 and the upper end surface of the second left side plate 310, so that the cloth strips pass through and are folded at the second outlet.

Second clamp plate 400 sets up in the second hem passageway, and extend toward the second export from the second import, the left end and the right-hand member of second clamp plate 400 are connected with the left end and the right-hand member of a second folder 300 respectively, form the second interval between second clamp plate 400 and the second bottom plate 320, second clamp plate 400 sets up in the one side that is close to second bottom plate 320, after the user passes the second interval with the cloth, make the cloth penetrate in the second hem passageway, be provided with of second clamp plate 400 does benefit to and makes the cloth hug closely second bottom plate 320, and realize deforming gradually along the second hem passageway, fold, thereby avoid because the cloth is too loose in a folder and lead to the cloth skew to appear and the not good problem of folding effect to appear in transportation process. The second pressing plate 400 is tapered from the rear to the front to prevent the second left side plate 310 and the second right side plate 330 from being bent and blocked.

That is, the second folder 300 has a substantially similar structure to the first folder 100, the tube diameter of the second folder 300 is smaller than the tube diameter of the first folder 100, the second folder 300 is reversely inserted into the first folding channel of the first folder 100, that is, the first base plate 120 and the second base plate 320 are far away from each other, the first pressing plate 200 and the second pressing plate 400 are close to each other, and the second folding channel is located inside the first folding channel.

In order to ensure that the cloth strips penetrating through the first outlet or the second outlet can form an annular wrapping structure, the width of the first outlet is less than or equal to half of the width of the first inlet, and the width of the second outlet is less than or equal to half of the width of the second inlet, so that the outer layer cloth strips penetrating through the first outlet and the inner layer cloth strips penetrating through the second outlet can both form an annular structure with better wrapping performance.

During the use, the user makes outer cloth get into first hem passageway after passing first interval with outer cloth, under the limiting displacement of first clamp plate 200, along with the shape change of the inside cavity of first hem passageway, outer cloth warp thereupon, the left end and the right-hand member of outer cloth are crooked in opposite directions gradually, and pass the clearance between first left side board 110 and the first right side board 130 in first exit, thereby make the left end and the right-hand member of outer cloth turn over in opposite directions and turn over and the left end and the right-hand member is the overlap setting, the left end of outer cloth is located the below of right-hand member, form the form of three folding cylinder, outer cloth after the deformation is finally exported from first exit.

The user can make the inlayer cloth get into the second hem passageway after passing the second interval with the inlayer cloth, under the limiting displacement of second clamp plate 400, along with the change of the inside cavity of second hem passageway, the inlayer cloth warp along with it, the left end and the right-hand member of inlayer cloth are crooked in opposite directions gradually, thereby make the left end and the right-hand member of inlayer cloth turn over in opposite directions and turn over a and the left end and the right-hand member is the overlap setting, the left end of inlayer cloth is located the below of right-hand member, and because second folder 300 wears to locate in the first hem passageway, accomplish the inside that the inner layer cloth of folding and output is located outer cloth in the second exit, thereby form double-deck annular cloth, and the parcel opposite direction of inlayer cloth and outer cloth.

When making up the steel ring of underwear, thereby form double-deck annular cloth through this double-deck three folding palm section of thick bamboo and be used for wrapping up the steel ring, be favorable to increasing the parcel performance to the steel ring, and certain degree has increased parcel thickness, is favorable to alleviateing the user and when wearing steel ring underwear, the steel ring is to the pressure of human body to and avoid when washing underwear, because the relatively poor problem that leads to the steel ring to expose of parcel of cloth appears.

It should be noted that, the first left side plate 110 and the first right side plate 130 are gradually bent from the first inlet to the first outlet to form a first folding channel, where the first folding channel includes two situations that the first left side plate 110 and the first right side plate 130 start to be gradually bent at the first inlet, and the first left side plate 110 and the first right side plate 130 already have a certain bending degree at the first inlet, and the bending degree gradually increases toward the first outlet. The bending conditions of the second left side plate 310 and the second right side plate 330 are the same as the bending conditions of the first left side plate 110 and the first right side plate 130, and are not described herein again. The bending of the first left side plate 110 and the first right side plate 130 and the bending of the second left side plate 310 and the second right side plate 330 may be achieved by a bending machine.

For keeping the relative position relation of the first folding cylinder 100 and the second folding cylinder 300, the first folding cylinder 100 and the second folding cylinder 300 can adopt a welding mode to realize the relative fixation between the first folding cylinder 100 and the second folding cylinder 300, so that the relative position relation between the first folding cylinder 100 and the second folding cylinder 300 is kept, a double-layer annular cloth strip of an outer layer cloth strip wrapping an inner layer cloth strip is ensured to be formed, and the use requirement of the double-layer three-folding cylinder with the palm closed is met.

Specifically, the width of the first outlet is smaller than or equal to one third of the width of the first inlet, and the width of the second outlet is smaller than or equal to one third of the width of the second inlet, so that the cloth strip passes through the first folding channel or the second folding channel to form a three-folding cylinder form with the left end and the right end overlapped, and the wrapping performance of the double-layer annular structure formed by the cloth strip is facilitated.

Further preferably, the first pressing plate 200 is provided with a first adjusting hole 210, the first adjusting hole 210 extends along the length direction of the first pressing plate 200, the second pressing plate 400 is provided with a second adjusting hole 410, and the second adjusting hole 410 extends along the length direction of the second pressing plate 400; during the use, the user can pass first regulation hole 210 or second regulation hole 410 with instruments such as thimble, crochet hook of peripheral hardware, and then realizes shakeout the cloth that penetrates first hem passageway or second hem passageway, controls the function that the cloth carried forward along first hem passageway or second hem passageway, is favorable to ensureing to form double-deck annular cloth, satisfies this double-deck three folder's of clapping user demand.

Further preferably, a first turned edge bent leftward is disposed at an upper edge of the first left side plate 110, and the first turned edge is disposed at a side close to the first turned edge channel; the upper edge of the first right side plate 130 is provided with a second turned edge bent to the right, and the second turned edge is arranged at one side close to the first turned edge channel.

In the process that the cloth strips gradually deform and fold through the first hemming channel, the first hemming and the second hemming are beneficial to limiting the movement of the cloth strips in the left-right direction, the problem that the cloth strips penetrate through the first hemming channel to scratch the outer contour of the first folding cylinder 100 is avoided, and deformation and folding of the cloth strips are finished under the guiding action of the first hemming channel is facilitated.

Further preferably, a third turned edge bent to the left is arranged at the lower edge of the second left side plate 310, and the third turned edge is arranged at a side close to the second turned edge channel; the lower edge of the second right side plate 330 is provided with a fourth turned edge bent rightwards, and the fourth turned edge is arranged on one side close to the second turned edge channel.

In the process that the cloth strips gradually deform and fold through the second flanging channel, the third flanging and the fourth flanging are beneficial to limiting the movement of the cloth strips in the left-right direction, the problem that the cloth strips penetrate through the second flanging channel to scratch the outer contour of the second folding cylinder 300 is avoided, and the deformation and folding of the cloth strips are finished under the guiding action of the second flanging channel is ensured.

The arrangement of the first turned edge, the second turned edge, the third turned edge and the fourth turned edge is beneficial to ensuring that the cloth strip can deform and fold along with the shape change of the first turned edge channel or the second turned edge channel when passing through the first turned edge channel or the second turned edge channel, and the problem that the cloth strip is not good in folding effect due to the fact that the cloth strip deviates to penetrate out of the first turned edge channel or the second turned edge channel is avoided.

Referring to fig. 3, it is further preferable that the triple-folding cylinder further includes a fixing plate 500, a first groove is formed in the fixing plate 500, the fixing plate 500 is connected to the rear end of the first pressing plate 200, the first groove and the upper end surface of the first pressing plate 200 enclose a third adjusting hole 510, the upper end of the fixing plate 500 is connected to the second folding cylinder 300, that is, the fixing plate 500 is disposed at the rear end of the first folding cylinder 100 and the second folding cylinder 300, the fixing plates 500 are both connected to the first folding cylinder 100 and the second folding cylinder 300, which is beneficial for opening the first folding cylinder 100 and the second folding cylinder 300 while maintaining the relative positions of the first folding cylinder 100 and the second folding cylinder 300, so as to prevent the first folding cylinder 100 from blocking the second adjusting hole 410 and prevent the second folding cylinder 300 from blocking the first adjusting hole 210, the third adjusting hole 510 is provided so that a user can insert a tool such as a hook needle or a thimble into the first adjusting hole 210 and the second adjusting hole 410 to adjust the fabric, the use requirement of the double-layer palm folding three-folding cylinder is met.

Further preferably, the lower edge of the rear end of the first folding channel is provided with a first folding sheet 600 which is bent downwards, and the lower edge of the rear end of the second folding channel is provided with a second folding sheet 700 which is bent downwards.

When the outer cloth strip penetrates into the first folding channel from the first inlet and the inner cloth strip penetrates into the second folding channel from the second inlet, the first bending piece 600 and the second bending piece 700 are beneficial to increasing the smoothness of the outer cloth strip penetrating into the first folding channel and the inner cloth strip penetrating into the second folding channel, and the problems that the cloth strips are scratched and damaged due to scratching of the cloth strips and the corners of the first folding cylinder 100 or the second folding cylinder 300 are reduced, and the first bending piece 600 and the second bending piece 700 are staggered in the front-back direction, if the second bending piece 700 is located behind the first bending piece 600, the problems that the inner cloth strip and the outer cloth strip are wound and knotted in the conveying process are favorably avoided.

Further preferably, the triple-folding cylinder with double folding palms further comprises a limiting block 800, and the limiting block 800 is connected with the first folding cylinder 100 or the second folding cylinder 300, for example, welded to the upper end face of the second bottom plate 320 of the second folding cylinder 300.

Referring to fig. 5, the stopper 800 extends to the top of first export, the front end of stopper 800 is provided with first daughter board 810 and second daughter board 820, and first daughter board 810 and second daughter board 820 are located the left side and the right side of first export respectively, and all downwardly extending, the stopper 800 be provided with do benefit to the cloth that the folding was accomplished and play spacing, the effect of binding, be favorable to avoiding the cloth wear out first folder 100 and second folder 300 after walk partially, and the structure becomes loose and leads to the uneven problem of sewing to appear.

Further preferably, this triple folding cylinder of double-deck palm of folding still includes mounting panel 900, and the extension is about being at mounting panel 900 both ends, and mounting panel 900 is connected with the lower surface of first folder 100, and mounting panel 900 is used for fixing with the workstation of sewing machine to for this triple folding cylinder of double-deck palm of folding provides the supporting role, the left end and the right-hand member of mounting panel 900 are provided with two mounting holes 910 that run through from top to bottom respectively, and is concrete, and mounting hole 910 can be the waist shape hole of extending around, and two mounting holes 910 are located the left end and the right-hand member of first folder 100 respectively.

The user can be with behind the mounting hole 910 that the screw passed with the screw threaded connection of the screw hole of predetermineeing on sewing machine's workstation, thereby realize this three cylinder of double-deck palm of close and sewing machine's installation fixed, and pass the fore-and-aft position of mounting hole 910 in mounting hole 910 through adjusting screw, thereby adjust this three cylinder of double-deck palm of close and compare in the relative position relation of sewing machine's organism, thereby make this three cylinder of double-deck palm of close applicable sewing machine that is used in the difference of various specifications, be favorable to improving this three cylinder of double-deck palm of close's suitability.

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 cylinder of double-deck palm that closes which characterized in that includes:

the first folding cylinder comprises a first left side plate, a first bottom plate and a first right side plate which are sequentially connected from left to right; the first folding cylinder comprises a first inlet and a first outlet, the first left side plate and the first right side plate are gradually bent towards each other from the first inlet to the first outlet to form a first folding channel, and the width of the first outlet is smaller than or equal to half of the width of the first inlet;

the first pressing plate is arranged in the first folding channel and extends from the first inlet to the first outlet, the rear end of the first pressing plate is connected with the first folding cylinder, and a first distance is formed between the first pressing plate and the first bottom plate;

the second folding cylinder penetrates through the first folding channel and is positioned above the first pressing plate, and the second folding cylinder comprises a second left side plate, a second bottom plate and a second right side plate which are sequentially connected from left to right; the second folding cylinder comprises a second inlet and a second outlet, the second outlet is communicated with the first outlet, the second left side plate and the second right side plate are gradually and oppositely bent from the second inlet to the second outlet to form a second folding channel, and the width of the second outlet is less than or equal to half of the width of the second inlet;

the second pressing plate is arranged in the second flanging channel and extends from the second inlet to the second outlet, the rear end of the second pressing plate is connected with the second flanging cylinder, and a second distance is formed between the second pressing plate and the second bottom plate.

2. The triple-folding cylinder according to claim 1, wherein the first pressing plate is provided with a first adjusting hole extending along a length direction of the first pressing plate, and the second pressing plate is provided with a second adjusting hole extending along a length direction of the second pressing plate.

3. The double-palm folding tube according to claim 2, further comprising a fixing plate, wherein the fixing plate is provided with a first groove which is communicated with the front and the back, the fixing plate is connected with the rear end of the first pressing plate, a third adjusting hole is defined by the first groove and the upper end surface of the first pressing plate, and the upper end of the fixing plate is connected with the second folding tube.

4. The double-hinged triple-fold cylinder of claim 3, wherein the first left side panel and the first right side panel are overlapped and separated from each other, and the second left side panel and the second right side panel are overlapped and separated from each other.

5. The triple-fold cylinder of claim 4, wherein the first folding channel is located above the first bottom panel, the first left side panel is located below the first right side panel, the second folding channel is located below the second bottom panel, and the second left side panel is located below the second right side panel.

6. The triple-folding cylinder according to claim 5, wherein the upper edge of the first left side plate is provided with a first flange bent to the left, and the first flange is arranged at one side close to the first flange channel; and a second turned edge bent rightwards is arranged at the upper edge of the first right side plate and is arranged at one side close to the first turned edge channel.

7. The double-folded palm triple-folded cylinder according to claim 6, wherein a third folded edge bent to the left is arranged at the lower edge of the second left side plate, and the third folded edge is arranged at one side close to the second folded edge channel; and a fourth turned edge bent rightwards is arranged at the lower edge of the second right side plate and is arranged at one side close to the second turned edge channel.

8. The triple folding cylinder according to any one of claims 1 to 7, wherein the lower edge of the rear end of the first folding channel is provided with a first bending piece bent downwards, and the lower edge of the rear end of the second folding channel is provided with a second bending piece bent downwards.

9. The double-layer palm folding three-folding cylinder according to any one of claims 1 to 7, further comprising a limiting block, wherein the limiting block is connected with the first folding cylinder or the second folding cylinder, the limiting block extends to the position above the first outlet, and a first sub-plate and a second sub-plate are arranged at the front end of the limiting block; the first sub-plate and the second sub-plate are respectively positioned on the left side and the right side of the first outlet and both extend downwards.

10. The three-folding cylinder with the double-layer folding palm as claimed in any one of claims 1 to 7, further comprising a mounting plate, wherein two ends of the mounting plate extend left and right, the mounting plate is connected with the lower surface of the first folding cylinder, two mounting holes penetrating up and down are respectively arranged at the left end and the right end of the mounting plate, and the two mounting holes are respectively located at the left end and the right end of the first folding cylinder.

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