CN211734684U - Cloth transportation, counterpoint integral type subassembly and underwear back of body knot sewing machine - Google Patents

Abstract

The utility model discloses a cloth transportation, counterpoint integral type subassembly and underwear back dunk sewing machine, cloth transportation, counterpoint integral type subassembly are suitable for the last cloth layer of transportation first cloth and adjustment first cloth and the interval between the cloth layer down, include: a workbench: the lower base is fixed on the workbench; the upper base is positioned above the workbench; the lower fixing device is arranged on the lower base and is suitable for fixing the lower cloth layer; the upper fixing device is arranged on the upper base and is suitable for fixing the upper cloth layer; the positioning device is connected with the upper base, is suitable for driving the upper base and driving the first cloth to move to the lower base through horizontal movement and lifting movement, and is suitable for adjusting the height of the upper base relative to the lower base. Through the relative base height-adjusting down of positioner drive upper base, can accomplish the counterpoint cooperation of first cloth and second cloth, the follow-up sewing of being convenient for, whole process is very low to the manual work requirement, if should accomplish the material loading of second cloth through the manipulator, then can save the manual work completely, efficiency and precision all have showing and promote.

Description

Cloth transportation, counterpoint integral type subassembly and underwear back of body knot sewing machine

Technical Field

The utility model relates to a cloth processing field, in particular to cloth transportation, counterpoint integral type subassembly and underwear back dunk sewing machine.

Background

The old sewing method is a basic process before an operator manually stitches two pieces of cloth, and then stitches the cloth at a stitch position by a sewing machine.

Present sewing machine, the transport and the location of the cloth that can accomplish, one kind is accomplished through manual basically, another kind is exactly that the transportation of cloth is perhaps accomplished through transport mechanism with getting the material, position cooperation between the cloth then need be accomplished through manual, fixed after the cloth cooperation is accomplished through the mechanism, the integration process is the independent execution of the mechanism of separately many sets, then establish ties through the manual work between the mechanism, this process is very high to artificial requirement, and production cost increases, sewing machine's overall structure also can be more complicated, the cooperation precision between the cloth is not enough, the efficiency of whole production is also not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses the first aspect provides cloth transportation, counterpoint integral type subassembly, can accomplish the transportation of first cloth and the cooperation between first cloth and the second cloth with one set of mechanism and counterpoint, saves the manual work, promotes the cloth and makes up efficiency, promotes the cooperation precision between the cloth.

The second aspect of the utility model provides an underwear back button sewing machine.

According to the utility model discloses a cloth transportation, counterpoint integral type subassembly of first aspect embodiment is suitable for the last cloth layer of transportation first cloth and adjustment first cloth and the interval between the cloth layer down, include: a workbench: the lower base is fixed on the workbench; the upper base is positioned above the workbench; the lower fixing device is arranged on the lower base and is suitable for fixing the lower cloth layer; the upper fixing device is arranged on the upper base and is suitable for fixing the upper cloth layer; the positioning device is connected with the upper base, is suitable for driving the upper base and driving the first cloth to move to the lower base through horizontal movement and lifting movement, and is suitable for adjusting the height of the upper base relative to the lower base.

According to the utility model discloses cloth transportation, counterpoint integral type subassembly have following beneficial effect at least: fix first cloth at material loading position through last fixing device on the upper base, move the upper base through the positioner and remove first cloth from material loading position to the position that corresponds lower base on the workstation, then can fix the upper cloth layer and the lower cloth layer of first cloth respectively through last fixing device and lower fixing device, drive the relative lower base adjustment height of upper base through the positioner, can pull open and close upper base and lower base, pull open upper base and lower base and be convenient for place the second cloth between the upper cloth layer and the lower cloth layer of first cloth, close the counterpoint cooperation that closes upper base and lower base and accomplish first cloth and second cloth, be convenient for follow-up making, whole process requires very little to the manual work, if should accomplish the material loading of second cloth through the manipulator, then can save the manual work completely, efficiency and precision are all showing and are promoted.

According to some embodiments of the utility model, lower fixing device includes: the first lower contact pin extends upwards and inclines towards one side and is suitable for being inserted into the lower cloth layer; the second lower inserting needle extends upwards, inclines towards the other side and is suitable for being inserted into the lower cloth layer; the upper fixing device includes: the first upper contact pin extends downwards, inclines towards one side and is suitable for being inserted into the upper cloth layer; and the second upper inserting needle extends downwards and inclines towards the other side and is suitable for being inserted into the upper cloth layer. The mode of inserting first cloth through the contact pin of at least two kinds of different homonymy slopes fixes first cloth, and the structure is retrencied, and fixed effect is better, and stability is better, is fit for high efficiency production.

According to some embodiments of the utility model, cloth transportation, counterpoint integral type subassembly still includes: the lower contact pin driving device is arranged on the lower base and is suitable for driving the first lower contact pin and the second lower contact pin to move up and down relative to the lower base, so that the first lower contact pin and the second lower contact pin are suitable for being inserted into the lower cloth layer; the upper contact pin driving device is arranged on the upper base and is suitable for driving the first upper contact pin and the second upper contact pin to move up and down relative to the upper base, so that the first upper contact pin and the second upper contact pin are suitable for being inserted into the upper cloth layer; the top of the lower base is suitable for blocking the lower cloth layer when the first lower contact pin and the second lower contact pin descend; the bottom of the upper base is suitable for blocking the upper cloth layer when the first upper contact pin and the second upper contact pin are lifted. Through lower contact pin drive arrangement and the contact pin elevating movement that last contact pin drive arrangement drive corresponds, can be convenient for get under the condition of demand and put first cloth, also reduced injury operating personnel's possibility.

According to some embodiments of the invention, the lower base comprises: the lower shell is provided with an inner cavity, the top of the lower shell is open, and the lower shell is flush with or close to the workbench; the lower needle frame is arranged in the inner cavity of the lower shell, is suitable for mounting a first lower contact pin and a second lower contact pin, is connected with the lower contact pin driving device, is driven by the lower contact pin driving device, is suitable for driving the first lower contact pin and the second lower contact pin to move up and down relative to the lower shell, and can enter and exit the top opening of the lower shell; the top of the lower shell is suitable for blocking the lower cloth layer when the first lower pin and the second lower pin descend. The lower needle frame can be conveniently provided with the lower contact pins, and the lower needle frame is driven in the corresponding inner cavity to complete the lifting motion of the corresponding contact pins, so that the needle inserting machine is very convenient.

According to some embodiments of the invention, the upper base comprises: an upper shell with an inner cavity and an opening at the bottom; the upper needle frame is arranged in the inner cavity of the upper shell, is suitable for mounting a first upper contact pin and a second upper contact pin, is connected with the upper contact pin driving device, is driven by the upper contact pin driving device, is suitable for driving the first upper contact pin and the second upper contact pin to move up and down relative to the upper shell and can enter and exit the bottom opening of the upper shell; the bottom of the upper shell is suitable for blocking the upper cloth layer when the first upper contact pin and the second upper contact pin are lifted. The upper needle frame can be conveniently provided with the upper contact pins, and the upper needle frame is driven in the corresponding inner cavity to complete the lifting motion of the corresponding contact pins, so that the needle inserting machine is very convenient.

According to some embodiments of the present invention, the lower needle frame is provided with a lower mounting groove/a lower mounting hole, and the bottom of the first lower contact pin and the bottom of the second lower contact pin are provided in the lower mounting groove/the lower mounting hole; the upper needle frame is provided with an upper mounting groove/an upper mounting hole, and the top of the first upper contact pin and the top of the second upper contact pin are arranged in the upper mounting groove/the upper mounting hole. The contact pin is installed in a mode of the mounting groove or the mounting hole, the mounting groove or the mounting hole is only required to be set to be the required inclination angle, the required inclination angle of the contact pin can be guaranteed, and the contact pin is very convenient to install.

According to some embodiments of the present invention, each of the first lower contact pin, the second lower contact pin, the first upper contact pin and the second upper contact pin includes at least two pins and is respectively arranged side by side as a first lower contact pin group, a second lower contact pin group, a first upper contact pin group and a second upper contact pin group; the inner side and the outer side of the first lower contact pin group and the second lower contact pin group are respectively arranged, the inner side and the outer side of the first upper contact pin group and the second upper contact pin group are respectively arranged, the first lower contact pin and the first upper contact pin are arranged in parallel, and the second lower contact pin and the second upper contact pin are arranged in parallel. The first cloth can be better fixed through the contact pin group formed by connecting a plurality of contact pins side by side; the two corresponding contact pin groups are respectively arranged inside and outside to be matched with and fix the first cloth better, and the parallel arrangement of the lower contact pin and the upper contact pin avoids the collision when the first cloth is inserted at the same time.

According to some embodiments of the utility model, the positioning device includes: the vertical driving device is connected with the upper base and drives the upper base to vertically move; and the transverse driving device is connected with the upper base and drives the upper base to transversely move. Through the vertical drive arrangement of horizontal drive arrangement cooperation, can transport the top of base down to the first cloth that the material loading position was located the horizontal side of base down, then vertically pull open with receive the receipts upper base and lower base to the corresponding cloth layer and lower cloth layer of opening and receiving.

According to some embodiments of the utility model, the output of positioner articulates the upper base, and the output all connects the upper base through compression elastic component in the both sides of pin joint. The two sides of the position of the upper base hinged to the bottom output end of the positioning device are buffered by the compression elastic piece, when the upper base moves up and down, if the first cloth is pressed or the lower base is pressed, the upper base can keep relatively level relative to the surface of an object to be pressed, the pressure is even, and the pressed part is not easy to damage.

According to the utility model discloses an underwear back of body knot sewing machine of second aspect embodiment, including the cloth transportation of first aspect embodiment, counterpoint integral type subassembly.

According to the utility model discloses an underwear back of body knot sewing machine has following beneficial effect at least: the first cloth corresponds underwear back-off cloth, and the second cloth corresponds underwear body cloth, before underwear back-off cloth and underwear body cloth are made, through cloth transportation, counterpoint integral type subassembly can be through the high-efficient, accurate material loading transportation of accomplishing underwear back-off cloth and the mutual position of underwear back-off cloth and underwear body cloth of a set of mechanism of retrenching confirm, show to promote and make up efficiency and underwear product quality.

Additional aspects and advantages of the invention 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 invention.

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 structural view of an embodiment of an undergarment back button sewing machine;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of a portion of an embodiment of an undergarment back button sewing machine;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

FIG. 5 is a schematic structural diagram of an embodiment of a positioning device driving an upper base;

FIG. 6 is a schematic view of an embodiment of the upper base with a portion of the upper housing removed;

fig. 7 is a schematic structural view of an embodiment of the lower base with a part of the lower housing removed.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses an embodiment of the first aspect provides cloth transportation, counterpoint integral type subassembly, is suitable for the last cloth layer of transportation first cloth and adjustment first cloth and the interval between the lower cloth layer, include: the workbench 700: a lower base 100 fixed to the table 700; an upper base 200 positioned above the table 700; a lower fixing device disposed on the lower base 100 and adapted to fix the lower cloth layer; an upper fixing device disposed on the upper base 200 and adapted to fix an upper cloth layer; the positioning device 300 is connected to the upper base 200, and adapted to drive the upper base 200 and drive the first cloth to move horizontally and vertically onto the lower base 100, and adapted to adjust the height of the upper base 200 relative to the lower base 100.

It should be understood that the positioner can drive the upper base to get first cloth to the unloading position from the material loading position, material loading position and unloading position are to cloth material loading point and the general expression of unloading point, material loading position and unloading position can be adjusted under the different transportation demands of cloth, in fig. 1, the material loading position can be the cloth holding tank on the horizontal right side of workstation, the cloth can stack in the vertical cloth holding tank of seting up, the unloading position then can be on the workstation, specifically can be the position that corresponds the lower base that is provided with first lower contact pin and second lower contact pin.

The first cloth is fixed at the loading position by the upper fixing device on the upper base 200, the first cloth is moved from the loading position to the position corresponding to the lower base 100 on the worktable 700 by moving the upper base 200 by the positioning device 300, then the upper cloth layer and the lower cloth layer of the first cloth can be respectively fixed by the upper fixing device and the lower fixing device, the upper base 200 is driven by the positioning device 300 to adjust the height relative to the lower base 100, the upper base 200 and the lower base 100 can be opened and closed, the opening of the upper base 200 and the lower base 100 facilitates the placement of a second fabric between the upper fabric layer and the lower fabric layer of the first fabric, the closing of the upper base 200 and the lower base 100 completes the alignment and matching of the first fabric and the second fabric, facilitates the subsequent sewing, has low requirements on labor in the whole process, if should accomplish the material loading of second cloth through the manipulator, then can save the manual work completely, efficiency and precision all have showing and promote.

It should be understood that the upper cloth layer is fixed by the upper fixing device and the lower cloth layer is fixed by the lower fixing device in order to pull the upper cloth layer and the lower cloth layer apart, so that the second cloth is conveniently placed between the upper cloth layer and the lower cloth layer; in order to transport the first fabric, the upper fabric layer on the first fabric may be fixed by the upper fixing device to complete the transport, or other parts on the first fabric may be fixed to complete the transport.

Referring to fig. 3, 4, 6 and 7, in some embodiments of the present invention, the lower fixing device may include: a first lower pin 111 extending upward and inclined toward one side, adapted to be inserted into the lower cloth layer; a second lower pin 112 extending upward and inclined toward the other side, adapted to be inserted into the lower cloth layer; the upper fixing means may include: a first upper pin 211 extending downward and inclined toward one side, adapted to be inserted into the upper cloth layer; a second upper pin 212, extending downward and inclined toward the other side, is adapted to be inserted into the upper fabric layer.

It should be understood that different sides between the first lower contact pin and the second lower contact pin are inclined, and it may correspond to the first lower contact pin being inclined toward the left side, the second lower contact pin being inclined toward the right side, or the first lower contact pin being inclined toward the front side, the second lower contact pin being inclined toward the right side, the different sides including the included angle of the horizontal projection of the inclined directions of the two contact pins being 180 degrees, which is a preferred embodiment when the included angle is 180 degrees, and also including the included angle of the horizontal projection of the inclined directions of the two contact pins being not less than 90 degrees, because the two contact pins are inserted into the first fabric in a manner that the included angle of the horizontal projection of the inclined directions is not less than 90 degrees, there are acting forces in the two directions, which is convenient for stably fixing the first fabric. The mating of the first upper pin and the second upper pin may be referenced to the mating of the first lower pin and the second lower pin. The mode of inserting first cloth through the contact pin of at least two kinds of different homonymy slopes fixes first cloth, and the structure is retrencied, and fixed effect is better, and stability is better, is fit for high efficiency production.

It should be understood that the lower fixing device and the upper fixing device can fix the first fabric by means of pins, but can also fix the first fabric by other means, for example, the upper fixing device can clamp the upper fabric layer by horizontally arranged pneumatic clamping plates, the lower fixing device can clamp the lower fabric layer by horizontally arranged pneumatic clamping plates, the two pneumatic clamping plates can be horizontally arranged in a staggered manner, so that the clamped upper fabric layer and the clamped lower fabric layer can be clamped and pulled by the upper base and the lower base, and the horizontally staggered arrangement of the two pneumatic clamping plates is understood that when the upper base and the lower base move towards each other, the pneumatic clamping plates are structured to drive the two horizontal clamping plates to open and close by the air cylinder, so as to clamp the edge of the upper fabric layer or the lower fabric layer, preferably the edge of the front end.

It should be understood that the upper fixing device and the lower fixing device may be one of the two fixing devices for fixing the corresponding fabric layer by using pins, and the other fixing device for fixing the other fabric layer by using a pneumatic clamping plate.

Referring to fig. 5-7, in some embodiments of the present invention, the cloth transportation and alignment integrated assembly may further include: the lower pin driving device 400 is arranged on the lower base 100 and is suitable for driving the first lower pin 111 and the second lower pin 112 to move up and down relative to the lower base 100, so that the first lower pin 111 and the second lower pin 112 are suitable for being inserted into the lower cloth layer; an upper pin driving device 500 disposed on the upper base 200 and adapted to drive the first upper pin 211 and the second upper pin 212 to move up and down relative to the upper base 200, so that the first upper pin 211 and the second upper pin 212 are adapted to be inserted into the upper fabric layer; the top of the lower base 100 is adapted to catch the lower cloth layer when the first lower pin 111 and the second lower pin 112 are lowered; the bottom of the upper base 200 is adapted to catch the upper cloth layer when the first and second upper pins 211 and 212 are raised.

It should be understood that, by providing two kinds of upper pins and two kinds of lower pins with fixed positions on the upper base 200 and the lower base 100, when the upper base 200 and the lower base 100 are close to each other, the two kinds of upper pins and the two kinds of lower pins are respectively inserted into the upper cloth layer and the lower cloth layer, and when the upper base 200 and the lower base 100 are far away from each other, the two kinds of upper pins and the two kinds of lower pins are respectively separated from the upper cloth layer and the lower cloth layer, and at this time, the distance adjustment between the upper cloth layer and the lower cloth layer can. Through last contact pin drive arrangement 500 and contact pin drive arrangement 400's setting down, then can receive the contact pin under two kinds of and two kinds of contact pins respectively receipts in last base 200 and lower base 100 on two kinds of, drive two kinds of contact pins and two kinds of contact pins respectively insert on the fixed cloth layer of needs when laying up cloth layer down, can promote the security, contact pin and two kinds of contact pins down can be more stable insert correspond the cloth layer on two kinds of, the bottom of base 200 and the stopping at the top of lower base 100 on the cooperation, go up the cloth layer and can break away from on contact pin and two kinds of contact pins down from two kinds of more swift follow on the cloth layer.

Referring to fig. 6 and 7, in some embodiments of the present invention, the lower base 100 may include: a lower housing 120 having an interior cavity with an open top and being flush or nearly flush with the table 700; the lower needle frame 130 is arranged in the inner cavity of the lower shell 120, is suitable for mounting the first lower contact pin 111 and the second lower contact pin 112, is connected with the lower contact pin driving device 400, is driven by the lower contact pin driving device 400, is suitable for driving the first lower contact pin 111 and the second lower contact pin 112 to move up and down relative to the lower shell 120, and can enter and exit the top opening of the lower shell 120; the top of the lower housing 120 is adapted to catch the lower cloth layer when the first lower pin 111 and the second lower pin 112 are lowered. The lower needle holder 130 can be used for conveniently arranging the lower contact pin, and the lower needle holder 130 is driven in the corresponding inner cavity to complete the lifting motion of the corresponding contact pin, so that the needle inserting machine is very convenient. The upper base 200 may include: an upper housing 220 having an inner cavity and an open bottom; the upper pin frame 230 is arranged in the inner cavity of the upper shell 220, is suitable for mounting the first upper pin 211 and the second upper pin 212, is connected with the upper pin driving device 500, is driven by the upper pin driving device 500, is suitable for driving the first upper pin 211 and the second upper pin 212 to move up and down relative to the upper shell 220 and can enter and exit the bottom opening of the upper shell 220; the bottom of the upper housing 220 is adapted to catch the upper cloth layer when the first and second upper pins 211 and 212 are raised. The upper needle holder 230 can be used for conveniently arranging the upper needle, and the upper needle holder 230 is driven in the corresponding inner cavity to complete the lifting motion of the corresponding needle, so that the needle inserting device is very convenient.

Referring to fig. 6 and 7, the upper and lower pin driving devices 500 and 400 may be an upper pushing cylinder located above the upper needle holder 230 and a lower pushing cylinder located below the lower needle holder 130, respectively, and the upper and lower pin driving devices 500 and 400 respectively drive the upper needle holder 230 and the lower needle holder 130 to perform an elevating motion, thereby driving two kinds of upper pins fixed to the bottom of the upper needle holder 230 and two sets of lower pins fixed to the top of the lower needle holder 130 to perform an elevating motion.

In some embodiments of the present invention, the lower needle frame 130 may be provided with a lower mounting groove 131/lower mounting hole, and the bottom of the first lower pin 111 and the bottom of the second lower pin 112 are disposed in the lower mounting groove 131/lower mounting hole; the upper pin frame 230 may be formed with an upper mounting groove 231/an upper mounting hole, and the top of the first upper pin 211 and the top of the second upper pin 212 are formed in the upper mounting groove 231/the upper mounting hole. Referring to fig. 6 and 7, further, the outer walls of the front and rear sides of the upper needle frame 230 are respectively provided with an upper mounting groove 231, the upper mounting groove 231 on the front side is used for mounting the second upper pin 212 located on the outer side, and the upper mounting groove 231 on the rear side is used for mounting the first upper pin 211 located on the inner side; the lower needle holder 130 may correspond to the upper needle holder 230, and the lower mounting groove 131 at the front side is used for mounting the second lower pin 112 at the outer side, and the lower mounting groove 131 at the rear side is used for mounting the first lower pin 111 at the inner side. The inclination angle that the mounting groove corresponds the contact pin is seted up, and the casing blocks corresponding contact pin in the outside, prevents that the contact pin from shifting out in the mounting groove. The upper parts of the two types of upper pins are arranged in the upper mounting groove 231, and the tips of the lower parts can move in and out of the opening at the bottom of the upper shell 220; the lower portions of the two lower pins are disposed in the lower mounting slots 131 and the tips of the upper portions are movable in and out of the openings in the top of the lower housing 120. The lower part of the upper mounting groove 231 has a smaller section than the upper part, preferably corresponding to the shapes of the two upper pins, so as to prevent the upper pins from falling from the upper mounting groove 231; the upper portion of the lower mounting groove 131 has a smaller cross-section than the lower portion, preferably corresponding to the shape of the two lower pins, preventing the lower pins from sliding in the lower mounting groove 131. The contact pin is installed in a mode of the mounting groove or the mounting hole, the mounting groove or the mounting hole is only required to be set to be the required inclination angle, the required inclination angle of the contact pin can be guaranteed, and the contact pin is very convenient to install.

Referring to fig. 6 and 7, in some embodiments of the present invention, each of the first lower pin 111, the second lower pin 112, the first upper pin 211, and the second upper pin 212 may include at least two pins, and the pins are respectively arranged side by side as a first lower pin group 113, a second lower pin group 114, a first upper pin group 213, and a second upper pin group 214; insert to corresponding cloth layer through a plurality of contact pins and connect to the contact pin group that sets up side by side, can fix better and correspond the cloth layer, prevent to pull open the in-process cloth layer that goes up cloth layer and lower cloth layer and drop.

Referring to fig. 4, 6 and 7, in some embodiments of the present invention, the first lower pin set 113 and the second lower pin set 114 may be separated from the inside and the outside, the first upper pin set 213 and the second upper pin set 214 may be separated from the inside and the outside, the first lower pin 111 and the first upper pin 211 are disposed in parallel, and the second lower pin 112 and the second upper pin 212 are disposed in parallel. The first lower pin group 113 and the first upper pin group 213 may be disposed at corresponding sides, and both may be in the same vertical plane; the second lower pin group 114 and the second upper pin group 214 may be disposed on the corresponding sides, and both may be in the same vertical plane; the upper and lower contact pin groups combined with the same side are parallel to each other, when the upper base 200 and the lower base 100 move in opposite directions and sandwich the upper cloth layer and the lower cloth layer, or when four contact pin groups are simultaneously inserted into the first cloth material, the contact pin groups on the same side are not easy to collide with each other, the upper contact pin group and the lower contact pin group on the same side can be arranged to be staggered with each other, namely, the contact pins of the upper contact pin group on the same side are arranged in a gap between two adjacent contact pins of the lower contact pin group, so that collision is further avoided.

Referring to fig. 1, 2, 3 and 5, in some embodiments of the present invention, the positioning apparatus 300 may include: the vertical driving device 310 is connected with the upper base 200 and drives the upper base 200 to vertically move; the lateral driving device 320, which is connected to the upper base 200, drives the upper base 200 to move laterally. The first fabric material loaded on the lateral side of the lower base 100 can be transported to the upper side of the lower base 100 by the horizontal driving device 320 in cooperation with the vertical driving device 310, and then the upper base 200 and the lower base 100 are vertically pulled and folded, so that the upper fabric layer and the lower fabric layer are correspondingly opened and folded.

It should be understood that the driving degree of freedom of the positioning device can be adjusted according to the requirement of moving the cloth between the feeding position and the discharging position, and the positioning device can comprise a longitudinal driving device to form a three-axis manipulator, wherein the longitudinal driving device can be driven by a longitudinal pushing cylinder, a longitudinal motor matched with a longitudinal screw rod guide rail mechanism, or a transverse driving device and a vertical driving device.

Referring to fig. 3 and 5, in some embodiments of the present invention, the vertical driving device 310 may include: a lifting guide rail 311 vertically disposed; a lifting slider 312 connected to the upper base 200; and an elevation cylinder 313 connected to the elevation block 312 to drive the elevation block 312 to move along the elevation rail 311. The lifting guide rails 311, the lifting slide block 312 and the lifting push cylinder 313 are used for driving the upper base 200 to move up and down, the response is fast, and the loading and unloading efficiency is high.

It should be understood that the vertical driving device may also be other linear driving mechanisms, such as a horizontal driving device, or a vertical motor matching with the vertical screw rod guide mechanism.

Referring to fig. 3 and 5, in some embodiments of the present invention, the lateral driving device 320 may include: a driving pulley 321 and a driven pulley 322; a transverse synchronous belt 323, two ends of which are respectively connected with a driving wheel 321 and a driven wheel 322; the transverse driving motor 324 is connected with the driving wheel 321, drives the driving wheel 321 to rotate and drives the transverse synchronous belt 323 to move; a transverse sliding block 325 connected with the upper base 200 and fixed on the transverse synchronous belt 323; the lateral guide rail 326, which is connected to the lateral slider 325, is adapted to provide a lateral movement guide for the lateral slider 325. The upper base 200 is driven to move transversely through the transmission of a transverse synchronous belt 323, the driving of a transverse driving motor 324 and the guiding of a transverse guide rail 326, and the loading and unloading efficiency is high.

It should be understood that the transverse driving device may also be other linear driving mechanisms, such as a vertical driving device, or a transverse motor in combination with a transverse screw rod guide mechanism.

Referring to fig. 3 and 5, in some embodiments of the present invention, the output end of the positioning device 300 may be hinged to the upper base 200, and the output end is connected to the upper base 200 through the compression elastic member 600 at both sides of the hinged point. By providing the compression elastic member 600 on both sides of the position where the bottom output end of the positioning device 300 is hinged to the upper base 200, the upper base 200 can be kept relatively flush with the surface of the object to be pressed when moving up and down, such as pressing the first cloth or pressing the lower base 100, and the pressed part is not easily damaged due to even pressure.

Specifically, the connecting seat is arranged on the lifting slide block 312, the bottom of the connecting seat is hinged to the upper contact pin driving device 500, the two sides of the hinged joint are connected to the top of the upper base 200 through the pressure springs, the two sides of the connecting seat further extend downwards to form guide rods located in the pressure springs, the top of the upper base 200 is provided with guide holes, and the guide rods can be inserted into the guide holes. It should be understood that the compression spring 600 may also be a compressible plastic member.

Referring to fig. 1 and 2, an underwear back-fastening sewing machine according to a second aspect of the present invention includes the cloth transportation and alignment integrated assembly according to the first aspect of the present invention.

In some embodiments of the underwear back-fastening sewing machine, the first fabric may correspond to an underwear back-fastening fabric, the underwear back-fastening fabric may include a hooked fabric and a belt fastener fabric, the second fabric may be an underwear body fabric, the underwear body fabric may include a cup portion fabric, in some embodiments of the underwear back-fastening sewing machine, the sewing process may be that one of the hooked fabric and the belt fastener fabric is sewn on a connecting portion on one side of the underwear body fabric, the other of the hooked fabric and the belt fastener fabric is sewn on a connecting portion on the other side of the underwear body fabric, and the sewn underwear product can be worn on a human body through the matching of hooks and buckles on the two sides.

In some embodiments of the underwear back-off sewing machine, the first cloth corresponds to underwear back-off cloth, the second cloth corresponds to underwear body cloth, before the underwear back-off cloth and the underwear body cloth are sewn, the underwear back-off cloth can be efficiently and accurately fed and conveyed through a set of simple mechanisms through cloth conveying and alignment integrated components, and mutual position determination of the underwear back-off cloth and the underwear body cloth is remarkably improved, and sewing efficiency and underwear product quality are remarkably improved.

The push cylinder in the above embodiments may be a pneumatic cylinder or a hydraulic cylinder.

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

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. Cloth transportation, counterpoint integral type subassembly, its characterized in that is suitable for the last cloth layer of transportation first cloth and adjustment first cloth and the interval between the cloth layer down, includes:

a workbench:

the lower base is fixed on the workbench;

the upper base is positioned above the workbench;

the lower fixing device is arranged on the lower base and is suitable for fixing the lower cloth layer;

the upper fixing device is arranged on the upper base and is suitable for fixing the upper cloth layer;

and the positioning device is connected with the upper base, is suitable for driving the upper base and driving the first cloth to move to the lower base through horizontal movement and lifting movement, and is suitable for adjusting the height of the upper base relative to the lower base.

2. The cloth transportation, alignment integrated assembly of claim 1, wherein the lower fixture comprises:

the first lower contact pin extends upwards and inclines towards one side and is suitable for being inserted into the lower cloth layer;

the second lower inserting needle extends upwards, inclines towards the other side and is suitable for being inserted into the lower cloth layer;

the upper fixing device includes:

the first upper contact pin extends downwards, inclines towards one side and is suitable for being inserted into the upper cloth layer;

and the second upper inserting needle extends downwards and inclines towards the other side and is suitable for being inserted into the upper cloth layer.

3. The cloth transport, alignment integrated assembly of claim 2, further comprising:

the lower contact pin driving device is arranged on the lower base and is suitable for driving the first lower contact pin and the second lower contact pin to move up and down relative to the lower base, so that the first lower contact pin and the second lower contact pin are suitable for being inserted into the lower cloth layer;

the upper contact pin driving device is arranged on the upper base and is suitable for driving the first upper contact pin and the second upper contact pin to move up and down relative to the upper base, so that the first upper contact pin and the second upper contact pin are suitable for being inserted into the upper cloth layer;

the top of the lower base is suitable for blocking the lower cloth layer when the first lower contact pin and the second lower contact pin are descended;

the bottom of the upper base is suitable for blocking the upper cloth layer when the first upper contact pin and the second upper contact pin are lifted.

4. The cloth transport, alignment integrated assembly of claim 3, wherein the lower base comprises:

the lower shell is provided with an inner cavity, the top of the lower shell is open, and the lower shell is flush with or close to the workbench;

the lower needle frame is arranged in the inner cavity of the lower shell, is suitable for mounting the first lower contact pin and the second lower contact pin, is connected with the lower contact pin driving device, is driven by the lower contact pin driving device, is suitable for driving the first lower contact pin and the second lower contact pin to move up and down relative to the lower shell, and can enter and exit the opening at the top of the lower shell;

the top of the lower housing is adapted to retain the lower cloth layer when the first lower pin and the second lower pin are lowered.

5. The cloth transport, alignment integrated assembly of claim 4, wherein the upper base comprises:

an upper shell with an inner cavity and an opening at the bottom;

the upper needle frame is arranged in the inner cavity of the upper shell, is suitable for mounting the first upper contact pin and the second upper contact pin, is connected with the upper contact pin driving device, is driven by the upper contact pin driving device, is suitable for driving the first upper contact pin and the second upper contact pin to move up and down relative to the upper shell, and can enter and exit the opening at the bottom of the upper shell;

the bottom of the upper housing is adapted to retain the upper fabric layer when the first and second upper pins are raised.

6. The cloth transporting and aligning integrated assembly according to claim 5, wherein the lower needle frame is provided with a lower mounting groove/a lower mounting hole, and the bottom of the first lower contact pin and the bottom of the second lower contact pin are arranged in the lower mounting groove/the lower mounting hole; the upper needle frame is provided with an upper mounting groove/an upper mounting hole, and the top of the first upper contact pin and the top of the second upper contact pin are arranged in the upper mounting groove/the upper mounting hole.

7. The cloth transportation and alignment integrated assembly as recited in claim 2, wherein each of the first lower pins, the second lower pins, the first upper pins and the second upper pins comprises at least two pins arranged side by side as a first lower pin group, a second lower pin group, a first upper pin group and a second upper pin group; the first lower contact pin group and the second lower contact pin group are arranged on the inner side and the outer side respectively, the first upper contact pin group and the second upper contact pin group are arranged on the inner side and the outer side respectively, the first lower contact pin and the first upper contact pin are arranged in parallel, and the second lower contact pin and the second upper contact pin are arranged in parallel.

8. Cloth transportation, alignment integral unit of claim 1, wherein the positioning means comprises:

the vertical driving device is connected with the upper base and drives the upper base to vertically move;

and the transverse driving device is connected with the upper base and drives the upper base to transversely move.

9. The cloth transporting and aligning integrated assembly as claimed in claim 1, wherein the output end of the aligning device is hinged to the upper base, and the output end is connected to the upper base through a compression elastic member at both sides of the hinged point.

10. An undergarment back button sewing machine comprising the cloth transportation, alignment integrated unit of any of claims 1 to 9.

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