阅读说明：本技术 一种缝纫设备的送料机构 (Feeding mechanism of sewing equipment ) 是由 周建良 郭天昊 陈新建 任远程 于 2019-11-01 设计创作，主要内容包括：本发明涉及一种缝纫设备的送料机构及其传送倒针的方法,包括滑动设置在机架本体上的安装板,安装板上设置有升降装置,所述升降装置上设置有传送装置,所述传送装置通过倒针组件将导料机构和辅助送料机构滑动设置在所述传送装置上；所述导料机构上设置有限位机构；所述导料机构包括用于穿设物料的导料槽,所述导料槽一端上嵌设有能相对于导料槽做升降运动的压块。本发明提供了一种缝纫设备的送料机构,能进行稳定的物料传送和倒针操作,同时还能够有效矫正物料的传送姿态。(The invention relates to a feeding mechanism of sewing equipment and a method for conveying a back stitch thereof, comprising a mounting plate which is arranged on a frame body in a sliding way, wherein a lifting device is arranged on the mounting plate, a conveying device is arranged on the lifting device, and a material guide mechanism and an auxiliary feeding mechanism are arranged on the conveying device in a sliding way by the conveying device through a back stitch component; the material guide mechanism is provided with a limiting mechanism; the guide mechanism is including being used for wearing to establish the baffle box of material, baffle box one end is gone up to inlay and is equipped with the briquetting that can do elevating movement for the baffle box. The invention provides a feeding mechanism of sewing equipment, which can carry out stable material conveying and needle reversing operation and can effectively correct the conveying posture of materials.)

1. The utility model provides a feeding mechanism of sewing equipment, is provided with elevating gear (2) including sliding mounting panel (1) that sets up on the frame body on mounting panel (1), be provided with conveyer (3) on elevating gear (2), its characterized in that: the conveying device (3) is used for arranging the material guide mechanism (4) and the auxiliary feeding mechanism (5) on the conveying device (3) in a sliding manner through the needle reversing assembly (33); the material guide mechanism (4) is provided with a limiting mechanism (7); the material guide mechanism (4) comprises a material guide groove (41) used for penetrating materials, and a pressing block (422) capable of doing lifting motion relative to the material guide groove (41) is embedded in one end of the material guide groove (41).

2. The feed mechanism of a sewing machine according to claim 1, wherein: the auxiliary feeding mechanism (5) comprises a rotating wheel (514) which is pivotally connected to the other end of the guide chute (41); the auxiliary feeding mechanism (5) further comprises a lever (515), and the middle section of the lever (515) is pivotally connected to a support at the upper part of the guide chute (41); one end of the lever (515) far away from the material guide groove (41) is pivotally connected with the rotating wheel (514).

3. The feed mechanism of a sewing machine according to claim 2, wherein: one end of the lever (515), which is close to the material guide groove (41), is provided with a force application rod (512), and the auxiliary feeding mechanism (5) is provided with a pressing plate (511) which can be lifted up and down relative to the force application rod (512).

4. The feed mechanism of a sewing machine according to claim 2, wherein: and the auxiliary feeding mechanism (5) is provided with a lifting mechanism (517), and the lifting mechanism (517) is in driving connection with the pressing plate (511).

5. The feed mechanism of a sewing machine according to claim 1, wherein: still be provided with buckle device (6) that are used for with other equipment built-up connection on mounting panel (1), buckle device (6) include buckle linkage plate (64) of being connected with other equipment, buckle linkage plate (64) slide and wear to establish on mounting panel (1) in stopper (631), be provided with the drive on mounting panel (1) stopper (631) with push mechanism (61) that buckle linkage plate (64) block is connected.

6. The feed mechanism of a sewing machine according to claim 1, wherein: the needle reversing assembly (33) comprises a pair of supporting plates (331) which are respectively installed at two ends of the lifting device (2), a shaft lever (332) penetrates between the pair of supporting plates (331), and an elastic piece (333) limited between the two supporting plates (331) is sleeved on the shaft lever (332).

7. The method for transferring the reverse needle of the feeding mechanism of the sewing machine according to any one of claims 1 to 6, wherein:

the feeding mechanism is assembled and connected with the sewing equipment through a buckle device (6), materials are put into a through cavity of the guide chute (41), the lifting device (2) drives the conveying device (3) to lift up and down on the lifting line rail (21), the feeding mechanism and the sewing equipment are located at the appointed position of the frame, a limiting mechanism (7) on the feeding mechanism is abutted against and limited by the frame, the sewing equipment is pushed forward for sewing, and the back needle sewing is carried out when the sewing equipment is pulled back and reset through a back needle assembly (33);

during sewing, the lifting mechanism (517) lifts the pressing plate (511), the pressing plate (511) loosens the force application rod (512), the rotating wheel (514) is downwards abutted against materials conveyed out of the guide chute (41) under the action of gravity, the clamping cylinder (421) on the guide chute (41) is also upwards lifted to loosen the materials at the moment, the guide chute (41) is used for guiding the conveyed materials, and when the feeding mechanism is pushed backwards, sewing equipment connected with the feeding mechanism in a locking mode carries out material sewing.

Technical Field

The invention relates to the field of industrial production and processing, mainly relates to a mechanical mechanism of sewing equipment, and particularly relates to a feeding mechanism of the sewing equipment.

Background

Chinese patent CN203546358U discloses a full-automatic template sewing machine, wherein, template clamping device guide rails of both sides in including layering, pinch roller group, roller train and the frame, pinch roller group and roller train install on the guide rail and connect drive arrangement, the layering sticiss between pinch roller group and roller train, the template bonding is on the layering, pinch roller group sticiss the layering on the roller train, drive layering and template side-to-side movement in the X direction by the roller train. The automatic template sewing machine can press and drag the clothing template by matching the roller combination and the pressing wheel set, the positions of the roller combination and the pressing wheel set are required to be mutually corresponding, the manufacture is troublesome, and the improvement is needed.

Disclosure of Invention

The invention overcomes the defects of the prior art, and provides the feeding mechanism of the sewing equipment, which can carry out stable material conveying and needle reversing operation and can effectively correct the conveying posture of the material.

In order to achieve the purpose, the invention adopts the technical scheme that: a feeding mechanism of sewing equipment comprises a mounting plate which is arranged on a rack body in a sliding mode, wherein a lifting device is arranged on the mounting plate, a conveying device is arranged on the lifting device, and a material guide mechanism and an auxiliary feeding mechanism are arranged on the conveying device in a sliding mode through a needle reversing assembly by the conveying device; the material guide mechanism is provided with a limiting mechanism; the guide mechanism is including being used for wearing to establish the baffle box of material, baffle box one end is gone up to inlay and is equipped with the briquetting that can do elevating movement for the baffle box.

In a preferred technical scheme of the invention, the auxiliary feeding mechanism comprises a rotating wheel which is pivotally connected to the other end of the guide chute; the auxiliary feeding mechanism also comprises a lever, and the middle section of the lever is pivotally connected to the bracket at the upper part of the guide chute; and one end of the lever, which is far away from the material guide groove, is pivotally connected with the rotating wheel.

In a preferred technical scheme of the invention, one end of the lever close to the material guide groove is provided with a force application rod, and the auxiliary feeding mechanism is provided with a pressing plate which can be lifted up and down relative to the force application rod.

In a preferred technical scheme of the invention, the auxiliary feeding mechanism is provided with a lifting mechanism, and the lifting mechanism is in driving connection with the pressing plate.

In a preferred technical scheme of the invention, the mounting plate is further provided with a buckle device used for being combined and connected with other equipment, the buckle device comprises buckle connection plates connected with other equipment, the buckle connection plates are slidably arranged in the limiting blocks on the mounting plate in a penetrating manner, and the mounting plate is provided with a pushing mechanism for driving the limiting blocks to be in clamping connection with the buckle connection plates.

Specifically, still be provided with buckle device on the mounting panel, buckle device is including installing ejection mechanism on the mounting panel, ejection joint action around the relative mounting panel of ejection mechanism drive stopper is done, be provided with on the stopper and wear to establish the block tongue of slot on the mounting panel, the stopper with be provided with buckle linkage plate between the mounting panel, buckle linkage plate rise be provided with the spacing groove of stopper correspondence joint.

Further, the conveying device comprises a conveying line rail arranged on the lifting device and a conveying sliding plate arranged on the conveying line rail in a sliding mode, and a needle reversing assembly and a pushing cylinder are arranged between the conveying sliding plate and the lifting device.

In a preferred embodiment of the present invention, the needle inverting assembly includes a pair of support plates respectively mounted at both ends of the lifting device, a shaft rod is inserted between the pair of support plates, and an elastic member defined between the two support plates is fitted over the shaft rod.

In a preferred embodiment of the present invention, the method for transferring the transfer mechanism includes: the feeding mechanism is assembled and connected with the sewing equipment through a buckle device, materials are put into a through cavity of the guide chute, the lifting device drives the conveying device to lift up and down on the lifting line rail, the feeding mechanism and the sewing equipment are located at the appointed position of the rack, a limiting mechanism on the feeding mechanism is abutted against the rack to limit, the sewing equipment is pushed forward to perform sewing, and the back needle assembly is used for performing back needle sewing when the sewing equipment is pulled back and reset;

during sewing, the lifting mechanism lifts the pressing plate, the pressing plate loosens the force application rod, the rotating wheel is downwards abutted to and pressed against the material conveyed out of the guide chute under the action of gravity, the clamping cylinder on the guide chute is also upwards lifted to loosen the material at the moment, the guide chute is used for guiding the conveyed material, and when the feeding mechanism is pushed backwards, the material sewing is carried out on the sewing equipment which is connected with the feeding mechanism in a locking mode.

The invention solves the defects in the background technology, and has the following beneficial effects:

a feeding mechanism of a sewing device can carry out stable material conveying and needle reversing operation and can effectively correct the conveying posture of materials.

The material conveys through the baffle box, effectively straightens the material, prevents the material skew at the in-process of conveying.

The feeding mechanism can assist to drive the sewing machine locked and combined with the feeding mechanism to perform back-stitching sewing operation. The limiting mechanism on the back of the supporting plate is abutted to the frame body for limiting, the sewing machine locked by the mounting plate through the buckle device is still pushed forwards at the moment, meanwhile, the sewing machine is sewn forwards, the supporting plate material guiding mechanism and the auxiliary feeding mechanism are located in situ and abut against materials, and when the elastic piece in the needle reversing assembly is extruded and is reset after being deformed by stress, the mounting plate and the sewing machine locked by the pull buckle device and the mounting plate are pulled back together, so that the needle reversing sewing operation is realized.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a first schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a partially enlarged schematic view of a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the back of the preferred embodiment of the present invention;

in the figure: 1-mounting plate, 2-lifting device, 21-lifting line rail, 22-lifting plate, 3-conveying device, 31-conveying line rail, 32-conveying sliding plate, 33-reversing needle assembly, 331-supporting plate, 332-shaft rod, 333-elastic component, 4-material guiding mechanism, 41-material guiding groove, 42-clamping mechanism, 421-clamping cylinder, 422-pressing block, 5-auxiliary feeding mechanism, 51-abutting plate, 511-pressing plate, 512-force applying rod, 513-limiting plate, 514-rotating wheel, 515-lever, 516-pivot fulcrum, 517-lifting mechanism, 6-buckle device, 61-pushing mechanism, 62-slot, 63-tongue, 631-limiting block and 64-buckle joint plate, 641-limit groove, 7-limit mechanism.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.

As shown in fig. 1 to 3, the feeding mechanism of a sewing machine of the present invention includes a mounting plate 1 slidably disposed on a frame, a lifting device 2 is installed on the mounting plate 1, a pair of parallel lifting wire rails 21 of the lifting device 2 is longitudinally disposed on the mounting plate 1, a lifting plate 22 of the lifting device 2 is slidably disposed on the lifting wire rails 21, a lifting element drivingly connected to the lifting plate 22 is disposed at one end of the lifting wire rails 21, and the lifting element pushes the lifting plate 22 to reciprocate up and down on the lifting wire rails 21. The mounting plate 1 is provided with a pushing mechanism 61, the pushing mechanism 61 penetrates through the mounting plate 1 and is in driving connection with a limiting block 631, two sides of the pushing mechanism 61 on the mounting plate 1 are respectively provided with an inserting groove 62, and two ends of the limiting block 631 are provided with clamping tongues 63 penetrating through the inserting grooves 62; the activity is provided with buckle linkage plate 64 between mounting panel 1 and the stopper 631, and the one end that board 64 pegged graft between mounting panel 1 and the stopper 631 is provided with spacing groove 641, pushes up the spacing block that stopper 631 and spacing groove 641 through ejection mechanism 61 and realizes stopper 631 and spacing groove 641, buckle linkage plate 64 other end and adjacent sewing equipment fixed connection. Thereby the feeding mechanism is connected with the sewing machine through the buckle device 6.

Specifically, the lifting plate 22 of the lifting device 2 is provided with a pair of parallel conveying line rails 31 arranged transversely, and the conveying sliding plates 32 of the conveying device 3 are slidably arranged on the conveying line rails 31. A reverse needle assembly 33 is provided between the transfer slide 32 and the lifting device 2. The needle reversing assembly 33 includes a supporting plate 331 disposed on the conveying sliding plate 32, a supporting plate 331 is also disposed at one end of the conveying line rail 31, the two supporting plates 331 are connected in series through a shaft rod 332, an elastic member 333 is sleeved on the shaft rod 332, and two ends of the elastic member 333 are abutted against the supporting plates 331 at two sides. The two ends of the shaft 332 and the supporting plates 331 at the two sides are inserted through, and the supporting plate 331 at least one side and one end of the shaft 332 are slidably sleeved. The needle reversing assembly 33 further comprises a limiting mechanism 7 which is arranged at the back of the supporting plate 331 and is abutted and limited with the rack.

Further, a material guiding chute 41 is fixedly arranged at the bottom of the conveying sliding plate 32 of the conveying device 3, and the material guiding chute 41 is consistent with the conveying track of the conveying device 3, that is, the material guiding chute 41 is consistent with or parallel to the arrangement direction of the conveying line rail 31. The material guide groove 41 is internally provided with a horizontal through cavity for guiding materials, the upper part of one end of the material guide groove 41 is provided with a pressing block 422 embedded into the through cavity, the pressing block 422 is in driving connection with a clamping cylinder 421 fixedly installed on the transmission sliding plate 32, a driving rod of the clamping cylinder 421 is connected with the top of the pressing block 422, and the pressing block 422 is driven by the clamping cylinder 421 to move up and down in a reciprocating manner relative to the material guide groove 41.

Further, a support installed on the chute 41 and a down-pressing cylinder 517 on one side of the support are provided at the upper portion of the other end of the chute 41, and a pair of levers 515 pivotally connected to the support are provided on the other side of the support. One side of the lever 515 close to the material guide plate 41 is provided with a force application rod 512 connected with a pair of parallel levers 515, the force application rod 512 is opposite to the lower pressing cylinder 517, a telescopic rod of the lower pressing cylinder 517 is connected with a pressure plate 511, and the pressure plate 511 is driven by the lower pressing cylinder 517 to do up-and-down reciprocating motion relative to the force application rod 512; and a rotating wheel 514 is pivotally connected to one side of the lever 515 far away from the material guide plate 41, and the rotating wheel 514 is correspondingly pressed against the material conveyed out of the material guide chute 41. The pressing plate 511 presses the force application rod 512 and releases the force application rod 512 downwards while the pressing plate 511 is driven to move upwards and downwards by the pressing cylinder 517, the driving lever 515 swings upwards and downwards around a pivot supporting point 516 on the bracket, and the driving rotating wheel 514 is pressed against and separated from the material conveyed out of the material guide chute 41.

The working principle is as follows:

the lifting device 2 drives the transfer device 3 to move up and down on the lifting line rail 21. The limit mechanism 7 at the back of the support plate 331 is abutted against the frame body for limiting, and the sewing machine locked with the mounting plate 1 through the buckle device 6 is still pushed forward at the moment, and is sewn forward at the same time. The supporting plate 331 is provided with the material guiding mechanism 4 and the auxiliary feeding mechanism 5 in situ, the material guiding mechanism 4 and the auxiliary feeding mechanism 5 are abutted against materials, the elastic piece 333 in the needle reversing assembly 33 is extruded, when the elastic piece 333 is reset after being deformed by stress, the mounting plate 1 is pulled back, the sewing machine is retreated, the elastic piece 333 is reset, the supporting plate 331 is provided with the material guiding mechanism 4 and the auxiliary feeding mechanism 5 to be reset, and then the sewing machine performs needle reversing operation.

When the mounting plate 1 is pulled to return, the feeding mechanism and the sewing machine are locked by the buckle device 6 in a combined mode, the feeding mechanism conveys abutting materials while the sewing machine sews the materials. Meanwhile, a material guide groove 41 of the feeding mechanism is sleeved on the material to move outwards and backwards, so that the posture of the material is adjusted, and the material is pressed against the material to be convenient for sewing by a sewing machine. The buckle device locks the feeding mechanism and the sewing machine in a combined mode, thread breakage occurs in the sewing process, sewing can be stopped when the sewing bottom thread is used up, and maintenance or charging treatment is carried out by disengaging the buckle device 6.

In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.