CN219908048U - Feeding device for parachute sewing - Google Patents

Abstract

The utility model relates to the technical field of parachute sewing, and discloses a feeding device for parachute sewing. This material feeding unit is used in parachute sewing processing through setting up intermittent type pay-off subassembly, can let the pay-off friction pad of upper and lower both sides together to holding the cloth motion on the board after the intermittent type pay-off subassembly uses for the pay-off friction pad of upper and lower both sides can give the cloth and clip in opposite directions, and synchronous out-of-band surface's pay-off friction pad's motion orbit not only is the arc but also lateral movement simultaneously, can pull the cloth of clip when pay-off friction pad lateral movement, and then effectively carry the cloth, has avoided the motion orbit to have only the arc to cause the condition that can't carry the cloth as far as possible, has solved the problem of the small unable effective pay-off of area of contact with the cloth.

Description

Feeding device for parachute sewing

Technical Field

The utility model relates to the technical field of parachute sewing, in particular to a feeding device for parachute sewing.

Background

The parachute is an aviation tool which utilizes the air resistance principle and utilizes a deployable aerodynamic speed reducer which is inflated and unfolded relative to air movement, so that a modern parachute enables people or things to safely land on the ground from the air.

According to the utility model, chinese patent CN202020344168.5 is searched and a thread falling auxiliary device of a sewing machine is disclosed, a rotating part is driven to rotate through a power part, so that a movable part is driven to reciprocate to do linear motion along a guide rail by means of a connecting rod, a parallelogram-shaped driving swinging part and a parallelogram-shaped driven swinging part are matched to drive a thread falling assembly to swing back and forth on the premise of keeping the level, intermittent feeding is carried out on cloth, a needle bar and the cloth are separated to push the cloth to advance after the needle bar and the cloth are swung up, and compared with the prior art, the thread falling auxiliary device has the advantages of high mechanical strength and difficult clamping, however, when the driving swinging part and the driven swinging part formed by the parallelogram-shaped mechanism are swung, the motion track of the thread falling part is arc-shaped, the thread falling part can fully contact the cloth only after the thread falling part moves to the highest position, the contact area between the highest position and the cloth is small, and the thread falling part moves downwards along with the swinging, so that the effect on the feeding of the cloth is not obvious, and the cloth can not move.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the feeding device for the parachute sewing processing, which has the advantage of effectively conveying cloth and solves the problem that the feeding cannot be effectively performed due to small contact area with the cloth.

In order to achieve the aim of effectively conveying cloth, the utility model provides the following technical scheme: the utility model provides a parachute sewing material feeding unit for processing, includes the bottom plate, the top fixed mounting of bottom plate has the backup pad that distributes and quantity is two from beginning to end, fixed mounting has sewing machine in the backup pad, fixed mounting has fixed box in the backup pad, be provided with the intermittent type feeding subassembly that carries out intermittent type nature pay-off on backup pad and the fixed box.

Further, intermittent type pay-off subassembly includes motor, two-way worm, conveying axle, worm wheel, conveying roller, hold-in range and pay-off friction pad, motor fixed mounting is on the fixed box, two-way worm fixed mounting is on the output shaft of motor, on the conveying axle rotation connection backup pad, worm wheel fixed mounting is at the surface of conveying axle, conveying roller fixed mounting is at the surface of conveying axle, the surface at conveying roller is connected in the hold-in range transmission, pay-off friction pad fixed mounting is at the surface of hold-in range.

Further, the bidirectional worm is rotationally connected with the fixed box, the bidirectional worm is meshed with the worm wheel, and the worm wheel is positioned on the outer side of the conveying roller.

Further, the clamping grooves are formed in the feeding friction pads, the clamping grooves are triangular prisms, the number of the synchronous belts and the number of the feeding friction pads are two, and the two synchronous belts and the two feeding friction pads are distributed up and down.

Further, a bearing plate is fixedly arranged between the opposite sides of the two supporting plates, and a feeding notch is formed in the bearing plate.

Further, be provided with the tight subassembly that compresses tightly of avoiding sewing machine to become flexible when sewing machine, compress tightly the subassembly and include lift cylinder, adjustable shelf and compact heap, lift cylinder fixed mounting is on sewing machine, adjustable shelf fixed mounting is at the output of lift cylinder, compact heap fixed mounting is in the bottom of adjustable shelf, adjustable shelf sliding connection is at sewing machine's surface.

Compared with the prior art, the utility model provides the feeding device for the parachute sewing processing, which has the following beneficial effects:

this material feeding unit is used in parachute sewing processing is through setting up intermittent type pay-off subassembly, the pay-off friction pad of upper and lower both sides can let after the intermittent type pay-off subassembly uses together to holding the cloth motion on the board, make the pay-off friction pad of upper and lower both sides give the cloth and clip in opposite directions, synchronous out-of-band surface's pay-off friction pad's motion orbit not only is the arc but also lateral movement simultaneously, can carry the cloth that clips when pay-off friction pad lateral movement, and then effectively carry the cloth, the motion orbit has been avoided as far as possible only the arc to cause the condition that can't carry the cloth, through setting up hold-down subassembly, hold-down subassembly can hold down the cloth on the board after using, the condition that the cloth activity caused the sewing machine to appear the mistake to the cloth sewing position has been avoided as far as possible, the problem of the small unable effective pay-off of area of contact with the cloth has been solved.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present utility model;

FIG. 2 is a front elevational view of the structure of the present utility model;

FIG. 3 is a schematic perspective view of a portion of an intermittent feed assembly of the present utility model;

fig. 4 is a schematic perspective view of a bearing plate with the structure of the present utility model.

In the figure: 1 a bottom plate, 2 a supporting plate, 3 a sewing machine, 4 a fixed box, 5 an intermittent feeding component, 51 a motor, 52 a bidirectional worm, 53 a conveying shaft, 54 a worm wheel, 55 a conveying roller, 56 a synchronous belt, 57 a feeding friction pad, 6 a bearing plate, 7 a feeding notch, 8 a compacting component, 81 a lifting cylinder, 82 a movable frame and 83 a compacting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a feeding device for parachute sewing processing comprises a bottom plate 1, two supporting plates 2 which are distributed front and back are fixedly arranged at the top of the bottom plate 1, sewing machines 3 are fixedly arranged on the supporting plates 2 and used for sewing cloth, a fixing box 4 is fixedly arranged on the supporting plates 2, a supporting plate 6 is fixedly arranged between opposite sides of the two supporting plates 2 and used for placing cloth, and feeding gaps 7 are formed in the supporting plate 6.

Wherein, be provided with on the sewing machine 3 and avoid the sewing machine 3 not hard up hold down subassembly 8 when sewing, hold down subassembly 8 includes lift cylinder 81, movable frame 82 and compact heap 83, lift cylinder 81 fixed mounting is on the sewing machine 3, movable frame 82 fixed mounting is at the output of lift cylinder 81, lift cylinder 81 is flexible, drive movable frame 82 up-and-down motion, compact heap 83 fixed mounting is in the bottom of movable frame 82, movable frame 82 up-and-down motion drives compact heap 83 up-and-down motion, compact heap 83 moves down and gives the cloth fixedly, the position that the cloth activity caused sewing machine 3 to process takes place the mistake as far as possible has been avoided, movable frame 82 sliding connection is at the surface of sewing machine 3, have the guidance quality to movable frame 82, take place the skew when having avoided the movable frame 82 up-and-down motion as far as possible.

Referring to fig. 1-2, an intermittent feeding assembly 5 for intermittent feeding is disposed on a supporting plate 2 and a fixed box 4, the intermittent feeding assembly 5 includes a motor 51, a bidirectional worm 52, a conveying shaft 53, a worm wheel 54, a conveying roller 55, a synchronous belt 56 and a feeding friction pad 57, the motor 51 is fixedly mounted on the fixed box 4, the bidirectional worm 52 is fixedly mounted on an output shaft of the motor 51, the motor 51 is started, the bidirectional worm 52 rotates to gradually perform feeding, the bidirectional worm 52 is rotationally connected with the fixed box 4, the fixed box 4 can support the bidirectional worm 52, and bending deformation of the bidirectional worm 52 during rotation is avoided as much as possible.

Moreover, the conveying shaft 53 is rotatably connected to the support plate 2, the worm wheel 54 is fixedly mounted on the outer surface of the conveying shaft 53, the bidirectional worm 52 is meshed with the worm wheel 54, the bidirectional worm 52 can drive the worm wheel 54 to mesh and rotate when rotating, the conveying shaft 53 rotates, the conveying roller 55 is fixedly mounted on the outer surface of the conveying shaft 53, the conveying roller 55 rotates under the driving of the conveying shaft 53, and the worm wheel 54 is located on the outer side of the conveying roller 55.

Simultaneously, the hold-in range 56 transmission is connected at the surface of conveyer roll 55, and conveyer roll 55 rotates and can drive the hold-in range 56 transmission, and pay-off friction pad 57 fixed mounting is at the surface of hold-in range 56, and pay-off friction pad 57 carries work to the cloth gradually under the drive of hold-in range 56, has seted up the draw-in groove on the pay-in friction pad 57, and the shape of draw-in groove is the triangular prism, and the quantity of hold-in range 56 and pay-off friction pad 57 is two, and two hold-in ranges 56 and two pay-off friction pads 57 are upper and lower distribution, can carry out the centre gripping in opposite directions to the cloth.

When the cloth is used, firstly, cloth is placed on the bearing plate 6, the motor 51 is started, the bidirectional worm 52 rotates, the worm wheel 54 is meshed to rotate, the conveying shaft 53 and the conveying roller 55 rotate, the synchronous belt 56 drives the feeding friction pad 57 to move, the feeding friction pads 57 on the upper side and the lower side move to be in contact with the cloth and then can push the cloth to move downwards of the sewing machine 3, when the cloth moves to be right below the sewing machine 3, the feeding friction pad 57 moves to be not in contact with the cloth, the lifting cylinder 81 stretches, the movable frame 82 and the pressing block 83 move downwards, the cloth is pressed, and the sewing machine 3 starts to carry out sewing processing on the cloth.

The beneficial effects of the embodiment are as follows:

this material feeding unit is used in parachute sewing processing through setting up intermittent type pay-off subassembly 5, the pay-off friction pad 57 that can let upper and lower both sides after the intermittent type pay-off subassembly 5 uses moves to the cloth on holding plate 6 together, make upper and lower both sides pay-off friction pad 57 give the cloth and clip in opposite directions, the motion track of the pay-off friction pad 57 of hold-in zone 56 surface not only arc has lateral movement simultaneously, can pull the cloth that is cliied when pay-off friction pad 57 lateral movement, and then effectively carry the cloth, the condition that the motion track only has the arc to cause can't carry the cloth is avoided as far as possible, through setting up hold-down subassembly 8, hold-down subassembly 8 can give the cloth on holding plate 6 after using and push down, the condition that the sewing machine 3 appears the mistake to the cloth sewing position to avoid the cloth activity as far as possible, the problem of unable effective pay-off of area of contact with the cloth is little has been solved.

The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a material feeding unit is used in parachute sewing processing, includes bottom plate (1), the top fixed mounting of bottom plate (1) has front and back distribution and quantity is backup pad (2) two, fixed mounting has sewing machine (3) in backup pad (2), fixed mounting has fixed box (4), its characterized in that in backup pad (2): the intermittent feeding assembly (5) for intermittent feeding is arranged on the supporting plate (2) and the fixed box (4).

2. The feeding device for parachute sewing according to claim 1, wherein: intermittent type pay-off subassembly (5) include motor (51), two-way worm (52), carry axle (53), worm wheel (54), carry roller (55), hold-in range (56) and pay-off friction pad (57), motor (51) fixed mounting is on fixed box (4), two-way worm (52) fixed mounting is on the output shaft of motor (51), carry on axle (53) rotation joint support board (2), worm wheel (54) fixed mounting is at the surface of carrying axle (53), carry roller (55) fixed mounting at the surface of carrying axle (53), hold-in range (56) transmission is connected at the surface of carrying roller (55), pay-off friction pad (57) fixed mounting is at the surface of hold-in range (56).

3. The feeding device for parachute sewing according to claim 2, wherein: the bidirectional worm (52) is rotationally connected with the fixed box (4), the bidirectional worm (52) is meshed with the worm wheel (54), and the worm wheel (54) is positioned on the outer side of the conveying roller (55).

4. The feeding device for parachute sewing according to claim 2, wherein: clamping grooves are formed in the feeding friction pads (57), the clamping grooves are triangular prisms, the number of the synchronous belts (56) and the number of the feeding friction pads (57) are two, and the two synchronous belts (56) and the two feeding friction pads (57) are distributed up and down.

5. The feeding device for parachute sewing according to claim 1, wherein: a bearing plate (6) is fixedly arranged between the opposite sides of the two supporting plates (2), and a feeding notch (7) is formed in the bearing plate (6).

6. The feeding device for parachute sewing according to claim 1, wherein: the novel sewing machine is characterized in that a compressing assembly (8) which is used for preventing the sewing machine (3) from loosening during sewing is arranged on the sewing machine (3), the compressing assembly (8) comprises a lifting cylinder (81), a movable frame (82) and a compressing block (83), the lifting cylinder (81) is fixedly arranged on the sewing machine (3), the movable frame (82) is fixedly arranged at the output end of the lifting cylinder (81), the compressing block (83) is fixedly arranged at the bottom of the movable frame (82), and the movable frame (82) is slidably connected to the outer surface of the sewing machine (3).