CN211079573U

CN211079573U - Elastic band traction device of overedger

Info

Publication number: CN211079573U
Application number: CN201921855979.5U
Authority: CN
Inventors: 高桂莲; 邓建林; 柯童洲
Original assignee: Wuhan Xinyuanjia Textile Co ltd
Current assignee: Wuhan Xinyuanjia Textile Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-24
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an elastic cord draw gear of overedger, it produces equipment technical field to have related to medical protective clothing, has solved the elastic cord and has been loose state around being behind the overedger pinpoint department, and the problem of knotting is mixed and disorderly and easy, including the organism, organism one side is fixed with branch, and the one end that organism was kept away from to branch is rotated the cover and is equipped with the guide roll, and the guide roll has seted up the guide way along its circumference direction, and one side of organism is fixed with the support, and the support internal fixation has last registration roller to go up and down to be provided with down the registration roller, go up the clearance that the elastic cord passed that forms between registration roller and the lower registration roller. The utility model discloses make the elastic cord with the leading wheel, go up the registration roller fulcrum and carry out directional transmission, realized pulling the location of elastic cord for the trend of elastic cord is neat more clear, reduces the mixed and disorderly condition of elastic cord, and the staff of being convenient for makes up the in-process and holds the elastic cord, thereby has improved indirectly and has made up efficiency.

Description

Elastic band traction device of overedger

Technical Field

The utility model belongs to the technical field of medical protective clothing production facility technique and specifically relates to an elastic cord draw gear of overedger is related to.

Background

The disposable medical protective clothing is protective clothing used by people who enter specific medical and health areas by medical staff, and has the functions of isolating germs, harmful ultrafine dust, acid-base solution, electromagnetic radiation and the like, the production flow of the disposable medical protective clothing is to cut an original whole piece of non-woven fabric according to the specification design, then sew the cut non-woven fabric pieces by a overedger according to the design requirement, and finally sew the non-woven fabric pieces to form the whole disposable medical protective clothing, wherein in order to ensure the close-fitting performance of the medical protective clothing after being worn, elastic bands are usually sewed at cuffs of the medical protective clothing and openings of trouser leg lamp through a five-thread overedger;

in the production process, because the elastic cord is the winding lapping, need pull out the elastic cord and pull to the suture department of overedger, the elastic cord is loose state around being located to the overedger needle point, need the staff to hand the elastic cord and pull its cuff with the protective clothing and sew up, because the elastic cord quality is lighter, receive external force and pull then and pull out a big section easily, the elastic cord that leads to big section floats on the workstation, relatively in a jumble and knot easily, it still stumbles the staff easily to drop to ground, lead to the elastic cord fracture, influence holistic work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can pull elastic cord to overedger pinpoint department, make the elastic cord draw forth more neatly smooth, be favorable to improving the elastic cord draw gear of overedger who makes up efficiency.

The utility model discloses a can realize through following technical scheme:

hemming machine's elastic cord draw gear, including the organism, organism one side is fixed with branch, the one end that organism was kept away from to branch is rotated the cover and is equipped with the guide roll, the guide way has been seted up along its circumference direction to the guide roll, one side of organism is fixed with the support, the support internal fixation has last registration roller to go up and down to be provided with down the registration roller, go up the registration roller with form the clearance that the elastic cord of being convenient for passed between the registration roller down.

By adopting the technical scheme, the elastic band is drawn to the position right above the machine body from the roller in the sewing process, and is placed in a guide groove, and then is drawn into a gap between an upper positioning roller and a lower positioning roller by bypassing the right upper part of a machine body, and the gap between the upper positioning roller and the lower positioning roller is adjusted by the lifting of the lower positioning roller, the moving range of the elastic band is limited, and then the elastic band is drawn to the sewing needle position, the difference of the utility model and the prior art is that a guide wheel is added for guiding, an upper positioning roller and a lower positioning roller are additionally arranged to clamp and position the elastic band, so that the elastic band is directionally transmitted by a guide wheel and an upper positioning roller fulcrum, the traction and the positioning of the elastic band are realized, the trend of the elastic band is neat and clear, the messy situation of the elastic band is reduced, and the elastic band is held by workers in the sewing process, so that the sewing efficiency is indirectly improved.

Further setting the following steps: the middle part of branch is rotated and is connected with the extension frame, extension frame upper bracket is equipped with pulls the strip, pull the strip and keep away from one side of extension frame is seted up and is used for guiding the traction groove of elastic cord trend.

Through adopting above-mentioned technical scheme, before arranging the elastic cord in the traction groove, arrange the elastic cord in the traction groove, utilize the extending direction who pulls the strip to restrict the trend of elastic cord for the trend of elastic cord is more clear, and the length that receives traction is longer.

Further setting the following steps: a plurality of limiting belts are tied around the traction strip.

Through adopting above-mentioned technical scheme, utilize to tie up and locate the spacing area of pulling strip week side and carry on spacingly to the elastic cord, avoided the condition that the elastic cord ran out from the traction groove effectively.

Further setting the following steps: the branch fixedly connected with pivot, the extension frame fixedly connected with cover is located the axle sleeve of pivot week side.

Through adopting above-mentioned technical scheme, utilize the axle sleeve at the rotation of pivot for the extension frame can use the pivot to swing as the axle center, thereby can adjust the angle of putting up of pulling the strip, reduces the extension frame, pulls the strip and shelters from the condition of required light.

Further setting the following steps: an upper shaft coaxially and rotatably connected with the upper positioning roller is fixed in the support, a lower shaft coaxially and rotatably connected with the lower positioning roller is arranged in the support in a lifting mode, and an adjusting assembly for driving the lower shaft to move up and down is fixed between the support and the lower shaft.

Through adopting above-mentioned technical scheme, utilize adjusting part to drive the activity of axle lift down to the registration roller is close to/keeps away from last registration roller under the drive, realizes the regulation of interval between last registration roller and the lower registration roller.

Further setting the following steps: the adjusting assembly comprises an adjusting screw rod and an adjusting nut, the adjusting nut is fixed at the top end of the support, the adjusting screw rod is connected with the adjusting nut through internal threads, and the adjusting screw rod penetrates through the upper shaft and is rotatably connected with the lower shaft.

Through adopting above-mentioned technical scheme, utilize adjusting screw and adjusting nut's threaded connection for adjusting screw is relative adjusting nut lift activity, thereby drives the lower axle lift activity in the support.

Further setting the following steps: the adjusting screw penetrates through the lower shaft and is coaxially and fixedly connected with a butting piece, and the butting piece is butted with the peripheral side of the lower shaft.

Through adopting above-mentioned technical scheme, utilize the butt of butt piece and lower shaft, adjusting screw rotates when going up and down the activity, drives butt piece, lower shaft and goes up and down the activity simultaneously, realizes that adjusting screw connects in the rotation of lower shaft.

Further setting the following steps: go up the registration roller with the week side of registration roller all is equipped with cyclic annular sponge down.

Through adopting above-mentioned technical scheme, cyclic annular sponge can cushion the wearing and tearing of positioning roller and lower positioning roller to the elastic cord, ensures the quality of elastic cord.

To sum up, the utility model discloses a beneficial technological effect does:

utilize and pull the strip, the traction groove pulls the elastic cord from the cylinder to the guide way in, extend the elastic cord to between positioning roller and the lower positioning roller around the guide roller again, screw drive through adjusting screw and adjusting nut, it goes up and down the activity to drive butt piece and lower axle in the support, thereby it goes up and down the positioning roller lift activity to drive down, adjust the clearance between last positioning roller and the lower positioning roller, make the elastic cord on the positioning roller convey before the positioning roller and the lower positioning roller, and can carry on spacingly to the home range of elastic cord, thereby the continuous guide effect of elastic cord has been realized, the condition of skew in the elastic cord data send process is reduced, the elasticity degree in the data send process of easier control elastic cord, work efficiency is higher, play the effect of neat elastic cord simultaneously, make operational environment cleaner neat more.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a partially enlarged view of portion B of fig. 3.

Reference numerals: 1. a body; 2. a strut; 3. a guide roller; 4. a guide groove; 5. a support; 6. an upper positioning roller; 7. a lower positioning roller; 8. an extension frame; 9. a traction bar; 10. a traction groove; 11. a limiting band; 12. a rotating shaft; 13. a shaft sleeve; 14. an upper shaft; 15. a lower shaft; 16. adjusting the screw rod; 17. adjusting the nut; 18. abutting the sheet; 19. a ring-shaped sponge.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an elastic cord draw gear of overedger, including organism 1, organism 1 one side is fixed with branch 2, branch 2 is directly over organism 1, branch 2 is "L" font setting, the axis that organism 1's one end was kept away from to branch 2 branch extends the setting along the horizontal direction, it is equipped with guide roll 3 to rotate the cover, guide roll 3 and the coaxial setting of branch 2, guide roll 3 has seted up guide way 4 along its circumference direction, guide way 4 is located the center department of the axis direction of guide roll 3, make up the in-process, pull the elastic cord on the roller to guide roll 3, and insert and connect to in the guide way 4, extend to organism 1's opposite side again, utilize guide roll 3 to play the guide effect, utilize guide way 4 to the home range who prescribes the elastic cord, reduce the displacement of elastic cord along guide roll 3 axis direction.

The middle part of branch 2 is rotated and is connected with extension frame 8, and extension frame 8 upper mounting bracket is equipped with pulls strip 9, pulls strip 9 and is the setting of cuboid form, pulls strip 9 and keeps away from one side of extension frame 8 and offers the pull groove 10 that is used for guiding the elastic cord trend, and pull groove 10 extends the setting along the length direction who pulls strip 9, and pull groove 10 is close to the directional guide way 4 setting of one end of guide roll 3. Before the elastic band is arranged in the traction groove 10, and the trend of the elastic band is limited by the extending direction of the traction strip 9, so that the trend of the elastic band is clearer, and the traction length is longer.

A plurality of limiting belts 11 are tied on the peripheral side of the traction strip 9, and the limiting belts 11 are arranged at equal intervals along the length direction of the traction strip 9. The elastic band is limited by the limiting band 11 tied on the peripheral side of the traction strip 9, so that the situation that the elastic band runs out of the traction groove 10 is effectively avoided.

The fulcrum bar 2 is fixedly connected with a rotating shaft 12, the axis of the rotating shaft 12 and the axis of one end of the fulcrum bar 2 far away from the machine body 1 are arranged in parallel, and the extension frame 8 is fixedly connected with a shaft sleeve 13 which is arranged on the peripheral side of the rotating shaft 12 together with the shaft sleeve 13. By utilizing the rotation of the shaft sleeve 13 on the rotating shaft 12, the extension frame 8 can swing by taking the rotating shaft 12 as an axis, so that the arrangement angle of the traction strip 9 can be adjusted, and the condition that the extension frame 8 and the traction strip 9 shield required light rays is reduced.

Referring to fig. 2, a support 5 is fixed on one side of the machine body 1, an upper positioning roller 6 is fixed in the support 5, a lower positioning roller 7 is arranged in the support 5 in a lifting manner, and a gap for passing an elastic band conveniently is formed between the upper positioning roller 6 and the lower positioning roller 7. The elastic band extends to the position between the upper positioning roller 6 and the lower positioning roller 7 after being guided by the traction strip 9 and the guide roller 3, the upper positioning roller 6 and the lower positioning roller 7 are utilized to continuously traction the elastic band, and the moving range of the elastic band is limited.

The circumferential sides of the upper positioning roller 6 and the lower positioning roller 7 are sleeved with annular sponges 19. The annular sponge 19 can buffer the abrasion of the upper positioning roller 6 and the lower positioning roller 7 to the elastic band, and the quality of the elastic band is guaranteed.

Referring to fig. 3 and 4, an upper shaft 14 coaxially and rotatably connected with the upper positioning roller 6 is fixed in the support 5, a lower shaft 15 coaxially and rotatably connected with the lower positioning roller 7 is arranged in a lifting manner, the axes of the upper shaft 14 and the lower shaft 15 are both parallel to the axis of one end of the support rod 2 far away from the machine body 1, and an adjusting assembly for driving the lower shaft 15 to move up and down is fixed between the support 5 and the lower shaft 15. Referring to fig. 2, the adjusting assembly includes an adjusting screw 16 and an adjusting nut 17, the adjusting nut 17 is fixed at the top end of the support 5, the adjusting screw 16 is connected to the adjusting nut 17 through an internal thread, an axis of the adjusting screw 16 extends along the height direction of the machine body 1, and the adjusting screw 16 penetrates through the upper shaft 14 and is rotatably connected with the lower shaft 15. By utilizing the threaded connection between the adjusting screw 16 and the adjusting nut 17, the adjusting screw 16 can move up and down relative to the adjusting nut 17 to drive the lower shaft 15 to move up and down in the support 5, so as to drive the lower positioning roller 7 to approach/depart from the upper positioning roller 6, thereby realizing the adjustment of the distance between the upper positioning roller 6 and the lower positioning roller 7.

Referring to fig. 4, the adjusting screw 16 is inserted through the lower shaft 15 and is coaxially and fixedly connected with a contact piece 18, and the contact piece 18 is in contact with the peripheral side of the lower shaft 15. By utilizing the butt joint of the butt joint piece 18 and the lower shaft 15, when the adjusting screw 16 rotates to perform lifting movement, the butt joint piece 18 and the lower shaft 15 are driven to perform lifting movement simultaneously, and the rotating connection of the adjusting screw 16 on the lower shaft 15 is realized.

The implementation principle and the beneficial effects of the embodiment are as follows:

draw the elastic cord to the pull trough 10 in, and utilize the spacing area 11 to play the guard action, wind the elastic cord to the guide way 4 again, and continue to draw through the guide way 4 and go up between the top registration roller 6 and the lower registration roller 7, through adjusting nut 17 and adjusting screw 16's screw drive, make adjusting screw 16 drive butt piece 18, lower axle 15, lower registration roller 7 lift activity, thereby adjust the interval of top registration roller 6 and lower registration roller 7, fix a position elastic cord transfer position, the pulling elastic cord, make the elastic cord can last 6 and the transmission of lower registration roller 7, draw the elastic cord to making up syringe needle department again. This practicality has realized pulling the location of elastic cord for the trend of elastic cord is neat more clear, reduces the mixed and disorderly condition of elastic cord, and the staff of being convenient for makes up the in-process and holds the elastic cord, thereby has improved indirectly and has made up efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Elastic band draw gear of overedger, its characterized in that: including organism (1), organism (1) one side is fixed with branch (2), the one end that organism (1) was kept away from in branch (2) is rotated the cover and is equipped with guide roll (3), guide roll (3) have been seted up guide way (4) along its circumference direction, one side of organism (1) is fixed with support (5), support (5) internal fixation has last registration roller (6) to go up and down to be provided with down registration roller (7), go up registration roller (6) with form the clearance that the elastic cord of being convenient for passed down between registration roller (7).

2. The elastic band traction device of the overedger according to claim 1, characterized in that the middle of the supporting rod (2) is rotatably connected with an extension frame (8), a traction strip (9) is fixed on the extension frame (8), and a traction groove (10) for guiding the trend of the elastic band is formed in one side of the traction strip (9) far away from the extension frame (8).

3. An elastic band traction device of an overlock machine according to claim 2, characterized in that a plurality of stop bands (11) are tied around said traction strip (9).

4. A traction device for an elastic band of a overedger according to claim 3, characterized in that said rod (2) is fixedly connected with a rotating shaft (12), and said extension frame (8) is fixedly connected with a sleeve (13) which is sleeved on the periphery of said rotating shaft (12).

5. An elastic band traction device of a overedger according to claim 1, characterized in that an upper shaft (14) coaxially and rotatably connected with said upper positioning roller (6) is fixed in said support (5), a lower shaft (15) coaxially and rotatably connected with said lower positioning roller (7) is arranged in said support in a lifting manner, and an adjusting component for driving said lower shaft (15) to move up and down is fixed between said support (5) and said lower shaft (15).

6. The elastic band traction device of an overlock machine according to claim 5, characterized in that said adjustment assembly comprises an adjustment screw (16) and an adjustment nut (17), said adjustment nut (17) being fixed to the top end of said seat (5), said adjustment nut (17) having said adjustment screw (16) internally threaded, said adjustment screw (16) passing through said upper shaft (14) and being rotatably connected to said lower shaft (15).

7. A draw off device for an elastic band of a overedger according to claim 6, characterized in that said adjusting screw (16) penetrates said lower shaft (15) and is coaxially and fixedly connected with an abutment plate (18), said abutment plate (18) being in abutment with the peripheral side of said lower shaft (15).

8. An elastic band traction device of an overedger according to claim 1, characterized in that the circumferential sides of said upper positioning roller (6) and said lower positioning roller (7) are each covered with an annular sponge (19).