CN215755718U

CN215755718U - Tensioning and stretching device for sewing and covering wire processing

Info

Publication number: CN215755718U
Application number: CN202122099401.5U
Authority: CN
Inventors: 刘明伟; 任瑞敏
Original assignee: Sanhe Minghui Industry And Trade Co ltd
Current assignee: Sanhe Minghui Industry And Trade Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-08
Anticipated expiration: 2031-09-01

Abstract

The utility model provides a tensioning and stretching device for sewing and covering thread processing, which comprises a stretching device body, the stretching device body comprises a bottom plate, a slide block, a supporting plate, a telescopic rod and a stretching column, the surface of the bottom plate is provided with a chute, the bottom end of the sliding chute is provided with a positioning hole, the inside of the sliding chute is provided with a sliding block, the sliding block is arranged at the bottom end of the supporting plate, the rear end of the slide block is provided with a positioning pin, the middle of the slide block is connected with the middle of the supporting plate through a supporting frame, a handle is arranged on the surface of the supporting frame, a wire inlet column is arranged on one side of the middle of the bottom plate, the other side of the middle of the bottom plate is provided with a wire outlet column, the middle of the wire inlet column and the wire outlet column are both provided with threading holes, the tensioning and stretching device for sewing and covering wire processing is simple and convenient to use, good in tensioning and stretching effect, capable of effectively avoiding fracture of sewing and covering wires, and long in stretching range.

Description

Tensioning and stretching device for sewing and covering wire processing

Technical Field

The utility model relates to the technical field of sewing and covering thread stretching devices, in particular to a tensioning and stretching device for sewing and covering thread processing.

Background

The sewing and covering thread can also be called as a sealing and covering thread, and is divided into a civil sewing and covering thread and an industrial sewing and covering thread and is mainly used for sealing a civil bag or an industrial bag opening.

In the production and processing process of seam envelope curve, need experience a plurality of manufacturing procedure, wherein need ensure many times that seam envelope curve is in the tensile state of tensioning, prevent to add dislocation or winding man-hour, consequently need use tensioning draw gear to pull, current tensioning draw gear simple structure uses spring or couple to pull, can only carry out the stay cord to shorter length, and tensile effect is relatively poor, still can appear not hard up condition, and can produce wearing and tearing to seam envelope curve, the cracked risk appears.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the tensioning and stretching device for sewing and covering wire processing, which aims to solve the problems in the background art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a tensioning and stretching device for processing a sewing thread comprises a stretching device body, wherein the stretching device body comprises a bottom plate, a sliding block, a supporting plate, a telescopic rod and a stretching column, the surface of the bottom plate is provided with a sliding groove, the bottom end of the sliding groove is provided with a positioning hole, the sliding block is arranged inside the sliding groove and is arranged at the bottom end of the supporting plate, the rear end of the sliding block is provided with a positioning pin, the middle of the sliding block is connected with the middle of the supporting plate through a supporting frame, the surface of the supporting frame is provided with a handle, one side of the middle of the bottom plate is provided with a thread inlet column, the other side of the middle of the bottom plate is provided with a thread outlet column, the middle of the thread inlet column and the thread outlet column are both provided with thread holes, the wire is inserted into the thread holes, one side of the supporting plate is provided with a telescopic sleeve, the stretching groove is arranged inside the telescopic sleeve, and the telescopic rod is arranged inside the stretching groove, the rear end of telescopic link is connected with the elastic webbing, the front end of telescopic link is installed and is stretched the post, the pulley is installed to the inboard of stretching the post.

In a preferred embodiment of the present invention, the height of the wire inlet column is the same as that of the wire outlet column, and the wire passing hole and the pulley are located on the same horizontal plane.

In a preferred embodiment of the present invention, the positioning pin penetrates through the rear end of the slider and is inserted into the positioning hole, and the positioning hole and the positioning pin have the same diameter.

As a preferred embodiment of the present invention, two supporting plates are provided, one side of each supporting plate is provided with a different number of telescopic rods, and the telescopic rods are installed in a staggered manner.

In a preferred embodiment of the present invention, the wire is wound around the surfaces of pulleys on both sides in sequence, and the middle of the pulley is provided with an inwardly concave arc.

As a preferred embodiment of the present invention, the rear end of the telescopic rod is provided with a limiting block, and the limiting block is attached to the inner wall of the stretching groove.

The utility model has the beneficial effects that: the utility model discloses a tensioning and stretching device for processing a sewing and covering thread, which comprises a stretching device body, wherein the stretching device body comprises a bottom plate, a positioning pin, a handle, a supporting plate, a thread inlet column, a telescopic rod, a positioning hole, a sliding chute, a sliding block, a wire rod, a telescopic sleeve, a supporting frame, a pulley, a stretching column, a thread hole, a stretching groove, an elastic belt and a thread outlet column.

1. This be used for processing of seam envelope curve to use tensioning draw gear utilizes telescopic link and tensile post in the middle of to carry out the tensioning with the wire rod tensile, and a plurality of tensile posts are crisscross to be installed to can carry out the stay cord to the wire rod of longer within range, effectively prevent loosely.

2. This a bottom for sewing up tensioning draw gear for covering wire processing is provided with spout and slider, and the pulling handle can remove the slider, the fixed mounting wire rod of being convenient for to can fix through locating pin and locating hole, avoid the stay cord in-process to remove.

3. This a rear end that is used for processing of sewing envelope curve to use tensioning stretching device telescopic link passes through the elastic webbing and is connected with the fagging, and the telescopic link removes in the inside of tensile groove, makes the telescopic link have elasticity, can independently adjust the removal according to the degree of drawing close of wire rod, avoids too the tensioning to lead to the wire rod fracture or too loose condition that leads to droing.

Drawings

FIG. 1 is a top view of the profile of a tensioning and stretching device for the sewing machine of the present invention;

FIG. 2 is a side cross-sectional view of a tensioning and stretching device for a sewing machine of the present invention;

FIG. 3 is a side sectional view of a telescoping rod portion of a tensioning and stretching device for a sewing machine of the present invention;

in the figure: 1. a base plate; 2. positioning pins; 3. a handle; 4. a supporting plate; 5. a wire inlet column; 6. a telescopic rod; 7. positioning holes; 8. a chute; 9. a slider; 10. a wire rod; 11. a telescopic sleeve; 12. a support frame; 13. a pulley; 14. stretching the column; 15. threading holes; 16. a drawing tank; 17. an elastic band; 18. and (4) an outlet column.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a tensioning and stretching device for processing a sewing thread comprises a stretching device body, wherein the stretching device body comprises a bottom plate 1, a slider 9, a supporting plate 4, a stretching rod 6 and a stretching post 14, a sliding groove 8 is formed in the surface of the bottom plate 1, a positioning hole 7 is formed in the bottom end of the sliding groove 8, the slider 9 is installed inside the sliding groove 8, the slider 9 is installed at the bottom end of the supporting plate 4, a positioning pin 2 is installed at the rear end of the slider 9, the middle of the slider 9 is connected with the middle of the supporting plate 4 through a supporting frame 12, a handle 3 is installed on the surface of the supporting frame 12, a thread inlet post 5 is arranged on one side of the middle of the bottom plate 1, a thread outlet post 18 is installed on the other side of the middle of the bottom plate 1, thread holes 15 are formed in the middles of the thread inlet post 5 and the thread outlet post 18, a thread material 10 is inserted into the thread holes 15, and a stretching sleeve 11 is installed on one side of the supporting plate 4, tensile groove 16 has been seted up to telescopic sleeve 11's inside, the internally mounted in tensile groove 16 has telescopic link 6, the rear end of telescopic link 6 is connected with elastic webbing 17, the front end of telescopic link 6 is installed and is stretched post 14, pulley 13 is installed to the inboard of stretching post 14.

In a preferred embodiment of the present invention, the height of the wire inlet column 5 is the same as that of the wire outlet column 18, and the threading hole 15 and the pulley 13 are located on the same horizontal plane, so that the wire 10 can move forward horizontally, and the fault tolerance rate is improved.

In a preferred embodiment of the present invention, the positioning pin 2 is inserted into the positioning hole 7 through the rear end of the slider 9, the positioning hole 7 and the positioning pin 2 have the same diameter, and the slider 9 is fixed to each other by the positioning hole 7 and the positioning pin 2.

In a preferred embodiment of the present invention, the supporting plates 4 are provided with two supporting plates, and one side of each supporting plate 4 is provided with a different number of telescopic rods 6, so as to extend the length of the tension.

In a preferred embodiment of the present invention, the wire 10 is sequentially wound around the surfaces of the pulleys 13 at both sides, and the middle of the pulley 13 is provided with an inward concave arc to prevent the wire 10 from falling and loosening.

In a preferred embodiment of the present invention, the rear end of the telescopic rod 6 is provided with a stopper, and the stopper is attached to the inner wall of the stretching groove 16 to ensure that the telescopic rod 6 can horizontally move in the telescopic sleeve 11.

The working principle is as follows: the tensioning and stretching device for processing the sewing threads mainly comprises a bottom plate 1, a sliding block 9, a supporting plate 4, a telescopic rod 6 and stretching columns 14, wherein the middle telescopic rod 6 and the middle stretching columns 14 are utilized to tension and stretch a wire 10, a plurality of stretching columns 14 are installed in a staggered mode, so that the wire 10 in a longer range can be stretched to effectively prevent loosening, when the tensioning and stretching device is used, the wire 10 firstly penetrates through a threading hole 15 on a wire inlet column 5 and then alternately bypasses a roller wheel in the middle of the stretching columns 14 on two sides to form a zigzag structure, the other installation mode can firstly pull a handle 3 to slide the sliding block 9 to the middle, the stretching columns 14 on the two sides are close to each other and respectively cross the opposite stretching columns 14, then the wire 10 directly and sequentially penetrates through the wire inlet column 5 and a wire outlet column 18, the wire 10 is in the middle position at the moment, and then the handle 3 is pulled to push the supporting plate 4 to two sides, tensile post 14 of both sides is with the wire rod 10 of centre to both sides pulling, finally still can form the structure of broken line form, wire rod 10 installs the back that finishes, can fix through locating pin 2 and locating hole 7, avoid stay cord in-process to remove, the rear end of this tensioning stretching device telescopic link 6 passes through elastic webbing 17 and is connected with fagging 4, telescopic link 6 removes in the inside of tensile groove 16, make telescopic link 6 have elasticity, can independently adjust the removal according to the degree of drawing close of wire rod 10, avoid too tightly leading to the fracture of wire rod 10 or too loose condition that leads to droing, when the equipment is in operation, wire rod 10 tells the removal, the centre of pulley 13 is inwards sunken, can effectually prevent that wire rod 10 from moving down, and reduce frictional force, reduce cracked probability.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a be used for processing of seam envelope curve to use tensioning draw gear, includes the draw gear body, its characterized in that: the stretching device body comprises a bottom plate (1), a sliding block (9), a supporting plate (4), a telescopic rod (6) and a stretching column (14), wherein a sliding groove (8) is formed in the surface of the bottom plate (1), a positioning hole (7) is formed in the bottom end of the sliding groove (8), the sliding block (9) is installed inside the sliding groove (8), the sliding block (9) is installed at the bottom end of the supporting plate (4), a positioning pin (2) is installed at the rear end of the sliding block (9), the middle of the sliding block (9) is connected with the middle of the supporting plate (4) through a supporting frame (12), a handle (3) is installed on the surface of the supporting frame (12), a wire inlet column (5) is arranged on one side of the middle of the bottom plate (1), a wire outlet column (18) is installed on the other side of the middle of the bottom plate (1), and threading holes (15) are formed in the middles of the wire inlet column (5) and the wire outlet column (18), wire rod (10) have been interlude to the inside of through wires hole (15), telescope tube (11) are installed to one side of fagging (4), tensile groove (16) have been seted up to the inside of telescope tube (11), the internally mounted of tensile groove (16) has telescopic link (6), the rear end of telescopic link (6) is connected with elastic webbing (17), stretch post (14) are installed to the front end of telescopic link (6), pulley (13) are installed to the inboard of stretching post (14).

2. The tensioning and stretching device for the sewing and covering thread processing according to claim 1, characterized in that: the height of the wire inlet column (5) is the same as that of the wire outlet column (18), and the wire threading hole (15) and the pulley (13) are positioned on the same horizontal plane.

3. The tensioning and stretching device for the sewing and covering thread processing according to claim 1, characterized in that: the rear end of the positioning pin (2) penetrating through the sliding block (9) is inserted into the positioning hole (7), and the diameters of the positioning hole (7) and the positioning pin (2) are the same.

4. The tensioning and stretching device for the sewing and covering thread processing according to claim 1, characterized in that: the supporting plates (4) are arranged in two numbers, one side of each supporting plate (4) is provided with telescopic rods (6) with different numbers, and the telescopic rods (6) are installed in a staggered mode.

5. The tensioning and stretching device for the sewing and covering thread processing according to claim 1, characterized in that: the wire rods (10) are sequentially wound on the surfaces of the pulleys (13) on the two sides, and an inward concave radian is arranged in the middle of each pulley (13).

6. The tensioning and stretching device for the sewing and covering thread processing according to claim 1, characterized in that: the rear end of the telescopic rod (6) is provided with a limiting block, and the limiting block is attached to the inner wall of the stretching groove (16).