阅读说明：本技术 一种医疗敷料生产用分条卷料装置 (Medical treatment dressing production is with dividing strip coiling material device ) 是由 陈万钧 于 2021-03-08 设计创作，主要内容包括：本发明涉及一种卷料装置,尤其涉及一种医疗敷料生产用分条卷料装置。本发明提供一种将布条完整切割、自动上料和自动卷料的医疗敷料生产用分条卷料装置。一种医疗敷料生产用分条卷料装置,包括：底板,底板上后侧左右两部均设有第一支撑板；第二支撑板,底板上前侧设有第二支撑板；抽布机构,两个第一支撑板之间设有抽布机构；切布机构,第二支撑板顶部设有切布机构。本发明通过将布条放置在绕轮,再将布条的一端放在滚筒上,使用者转动滚筒,使滚筒上的布条向前延长,从而带动绕轮转动,将布条抽出,实现抽布效果。(The invention relates to a material rolling device, in particular to a strip material rolling device for medical dressing production. The invention provides a strip winding device for producing medical dressing, which is used for completely cutting, automatically feeding and automatically winding cloth strips. The utility model provides a medical dressing production is with dividing strip coiling material device, includes: the left part and the right part of the rear side of the bottom plate are respectively provided with a first supporting plate; the front side of the bottom plate is provided with a second supporting plate; the cloth drawing mechanism is arranged between the two first supporting plates; and the top of the second supporting plate is provided with a cloth cutting mechanism. According to the invention, the cloth strips are placed on the winding wheel, one end of each cloth strip is placed on the roller, and a user rotates the roller to enable the cloth strips on the roller to be extended forwards, so that the winding wheel is driven to rotate, the cloth strips are drawn out, and the cloth drawing effect is realized.)

1. The utility model provides a production of medical dressing is with dividing strip coiling material device which characterized in that: the method comprises the following steps:

the bottom plate (1), the bottom plate (1) is provided with a first supporting plate (2);

the bottom plate (1) is provided with a second supporting plate (3);

the cloth drawing mechanism (4) is arranged between the two first supporting plates (2);

the top of the second supporting plate (3) is provided with a cloth cutting mechanism (5).

2. The slitting and rolling device for producing the medical dressing according to claim 1, wherein: the cloth drawing mechanism (4) comprises:

the winding wheel (41) is rotatably connected between the two first supporting plates (2);

the top parts of the two first supporting plates (2) are respectively provided with a first rotating connecting rod (42);

the rotary drum (43) is rotatably connected between the two first rotary connecting rods (42) of the rotary drum (43).

3. The slitting and rolling device for producing the medical dressing according to claim 2, wherein: the cloth cutting mechanism (5) comprises:

the middle part of the upper part of the bottom plate (1) is provided with a collecting frame (51);

the top of the second supporting plate (3) is provided with two air cylinders (52);

a supporting sliding sleeve (53), wherein the top of the second supporting plate (3) is provided with the supporting sliding sleeve (53);

the sliding connecting rod (55) is connected between the telescopic rods of the two cylinders (52);

the upper part of the supporting sliding sleeve (53) is provided with a first connecting rod (54) in a sliding way, and the first connecting rod (54) is connected with a sliding connecting rod (55);

the first spring (56) is wound on the first connecting rod (54), and two ends of the first spring (56) are respectively connected with the support sliding sleeve (53) and the sliding connecting rod (55);

the second spring (57) is wound on the first connecting rod (54), and two ends of the second spring (57) are respectively connected with the sliding connecting rod (55) and the first connecting rod (54);

the second connecting rod (58) is arranged on the first connecting rod (54) in a sliding mode;

the cutting knife (59) is arranged on the second connecting rod (58);

the second connecting rod (58) is wound with two third springs (510), and two ends of each third spring (510) are respectively connected with the first connecting rod (54) and the cutting knife (59);

the baffle (511) is connected between the two first supporting plates (2), and the baffle (511) is matched with the cutting knife (59).

4. The slitting and rolling device for producing the medical dressing according to claim 3, wherein: still beat cutting mechanism (6) including supplementary beating, be equipped with supplementary beating cutting mechanism (6) on baffle (511), supplementary beating cutting mechanism (6) include:

the first connecting sliding sleeves (61) are arranged on the baffle plates (511);

the two first connecting sliding sleeves (61) are both provided with a push rod (62) in a sliding manner;

and the two pushing rods (62) are wound with the fourth springs (63), and two ends of each fourth spring (63) are respectively connected with the first connecting sliding sleeve (61) and the pushing rod (62).

5. The slitting and rolling device for producing the medical dressing according to claim 4, wherein: still including automatic screens pushing mechanism (7), be equipped with automatic screens pushing mechanism (7) between sliding connection pole (55) and baffle (511), automatic screens pushing mechanism (7) include:

the baffle plates (511) are respectively provided with a second connecting sliding sleeve (71);

the two second connecting sliding sleeves (71) are both provided with a sliding clamping rod (72) in a sliding way;

the two push rods (62) are respectively provided with a slope block (73), and the slope blocks (73) are matched with the sliding clamping rods (72);

the fifth springs (74) are wound on the two sliding clamping rods (72), and two ends of each fifth spring (74) are respectively connected with the second connecting sliding sleeve (71) and the sliding clamping rod (72);

wedge-shaped rods (75) are arranged on the sliding connecting rods (55), and the wedge-shaped rods (75) are matched with the sliding clamping rods (72).

6. The slitting and rolling device for producing the medical dressing according to claim 5, wherein: still including automatic re-setting mechanism (8), be equipped with automatic re-setting mechanism (8) between baffle (511) and wedge pole (75), automatic re-setting mechanism (8) include:

the rotary connecting rods (81) are rotatably arranged on the baffle plates (511);

the upper parts of the two rotary connecting rods (81) are provided with first straight gears (82);

the upper parts of the two rotary connecting rods (81) are provided with second straight gears (83);

the two wedge-shaped rods (75) are respectively provided with a first rack (84), and the first racks (84) are meshed with the second straight gear (83);

and the two push rods (62) are respectively provided with a second rack (85), and the second racks (85) are meshed with the first straight gear (82).

7. The slitting and rolling device for producing the medical dressing according to claim 6, wherein: the automatic rolling device also comprises an automatic rolling mechanism (9), and the automatic rolling mechanism (9) is arranged between the tops of the two first supporting plates (2).

8. The slitting and rolling device for producing the medical dressing according to claim 6, wherein: the automatic scrolling mechanism (9) comprises:

the second rotating connecting rod (91) is rotatably connected between the tops of the two first supporting plates (2);

the second rotating connecting rod (91) is provided with a third straight gear (92);

the fourth straight gear (93) is arranged on each second rotary connecting rod (91);

and the two first racks (84) are respectively provided with a third rack (94), the third straight gear (92) is meshed with the fourth straight gear (93), and the third rack (94) is meshed with the fourth straight gear (93).

Technical Field

The invention relates to a material rolling device, in particular to a strip material rolling device for medical dressing production.

Background

Because when manufacturing medical dressing, can combine together colloid and material area in advance, paste on paper again and roll up the material area book of making convenient processing, also all can carry out the book system in material area again through dividing the strip, if roll up and also cause the problem that tension is different on the coil stock roller bearing of difference easily, moreover, also can receive the frame space restriction and can't add wantonly when addding the coil stock roller bearing.

Patent application CN201798851U, published as 20110420, disclosed a medical dressing makes strip coiling mechanism of machine, including strip coiling mechanism, the arbor, the coil stock roller bearing, spacing hole, the telescopic shaft, a machine support, transmission element, feed cylinder and solid fixed ring etc. through just placing the material area on the coil stock roller bearing, fix the material area through solid fixed ring, pour the dressing into the feed cylinder again, start transmission element, transmission element drives arbor and coil stock roller bearing operation, carry out the coil stock to the material area on the coil stock roller bearing, and divide the strip, however, this equipment is complete with the cloth cutting.

Therefore, the strip winding device for producing the medical dressing is designed for completely cutting, automatically feeding and automatically winding the cloth strips.

Disclosure of Invention

In order to overcome the shortcoming that traditional slitting coiling material device can't be with the complete cutting of cloth, unable automatic feeding and unable automatic coil stock, the technical problem that solves is: provides a strip winding device for producing medical dressing, which can completely cut, automatically feed and automatically roll cloth strips.

The technical scheme is as follows: the utility model provides a medical dressing production is with dividing strip coiling material device, includes:

the bottom plate is provided with first supporting plates;

the bottom plate is provided with a second supporting plate;

the cloth drawing mechanism is arranged between the two first supporting plates;

and the top of the second supporting plate is provided with a cloth cutting mechanism.

In one embodiment, the cloth withdrawing mechanism comprises:

the winding wheel is rotatably connected between the two first supporting plates;

the tops of the two first supporting plates are respectively provided with a first rotating connecting rod;

the cylinder, equal rotary type is connected with the cylinder between two first rotating connecting rods.

In one embodiment, the cloth cutting mechanism comprises:

the middle part of the bottom plate is provided with a collecting frame;

the top of the second supporting plate is provided with two cylinders;

the top of the second support plate is provided with a support sliding sleeve;

the sliding connecting rod is connected between the two cylinder telescopic rods;

the upper part of the support sliding sleeve is provided with a first connecting rod in a sliding manner, and the first connecting rod is connected with the sliding connecting rod;

the first spring is wound on the first connecting rod, and two ends of the first spring are respectively connected with the support sliding sleeve and the sliding connecting rod;

the second spring is wound on the first connecting rod, and two ends of the second spring are respectively connected with the sliding connecting rod and the first connecting rod;

the first connecting rod is slidably provided with a first connecting rod;

the second connecting rod is provided with a cutting knife;

two third springs are wound on the second connecting rod, and two ends of each third spring are respectively connected with the first connecting rod and the cutting knife;

the baffle is connected with between two first backup pads on, baffle and cutting knife cooperation.

In one embodiment, the utility model also includes supplementary beating cutting mechanism, is equipped with supplementary beating cutting mechanism on the baffle, and supplementary beating cutting mechanism includes:

the baffle plates are provided with first connecting sliding sleeves;

the two first connecting sliding sleeves are both provided with a pushing rod in a sliding manner;

and the two pushing rods are wound with fourth springs, and two ends of each fourth spring are connected with the first connecting sliding sleeve and the pushing rod respectively.

In one embodiment, the automatic clamping device further comprises an automatic clamping pushing mechanism, the automatic clamping pushing mechanism is arranged between the sliding connecting rod and the baffle, and the automatic clamping pushing mechanism comprises:

the baffle plates are provided with second connecting sliding sleeves;

the two second connecting sliding sleeves are both provided with sliding clamping rods in a sliding manner;

the two pushing rods are respectively provided with a bevel block, and the bevel blocks are matched with the sliding clamping rods;

the two sliding clamping rods are wound with fifth springs, and two ends of each fifth spring are respectively connected with the second connecting sliding sleeve and the corresponding sliding clamping rod;

wedge-shaped rods are arranged on the sliding connecting rods and matched with the sliding clamping rods.

In one of them embodiment, still include automatic re-setting mechanism, be equipped with automatic re-setting mechanism between baffle and the wedge pole, automatic re-setting mechanism includes:

the baffle plates are respectively provided with a rotary connecting rod in a rotary mode;

the upper parts of the two rotary connecting rods are provided with first straight gears;

the upper parts of the two rotary connecting rods are provided with second straight gears;

the two wedge-shaped rods are respectively provided with a first rack which is meshed with the second straight gear;

and the two pushing rods are respectively provided with a second rack which is meshed with the first straight gear.

In one embodiment, the automatic rolling mechanism is further included, the automatic rolling mechanism is arranged between the tops of the two first supporting plates, and the automatic rolling mechanism comprises:

the second rotating connecting rod is rotatably connected between the tops of the two first supporting plates;

third straight gears are arranged on the second rotating connecting rods;

the second rotating connecting rod is provided with a second straight gear;

and the third racks are arranged on the two first racks, the third straight gear is meshed with the fourth straight gear, and the third racks are meshed with the fourth straight gear.

The invention has the following advantages: 1. according to the invention, the cloth strips are placed on the winding wheel, one end of each cloth strip is placed on the roller, and a user rotates the roller to enable the cloth strips on the roller to be extended forwards, so that the winding wheel is driven to rotate, the cloth strips are drawn out, and the cloth drawing effect is realized;

2. according to the invention, the cloth strips are cut by the cutting knife, the cloth strips are cut into a plurality of strips, the cutting knife is loosened, the two third springs are reset, the cloth strips are cut for the second time, and the cloth cutting effect is realized;

3. according to the invention, the pushing rod is loosened, the fourth spring is reset, so that the pushing rod is driven to move oppositely, and the pushing rod is in contact fit with the cutting knife, so that the pushing rod beats the cutting knife, and the effect of assisting in beating and cutting is realized;

4. the sliding clamping rod is driven to move upwards by resetting the fifth spring, and a user pulls the push rod reversely to enable the sliding clamping rod to be in contact fit with the inclined plane block to clamp the inclined plane block and the push rod, so that an automatic clamping pushing effect is realized;

5. the third straight gear is driven to rotate by the meshing of the fourth straight gear and the third straight gear, and the third straight gear and the fourth straight gear roll out the cloth strips on the roller downwards, so that the automatic rolling effect is realized.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the cloth withdrawing mechanism of the present invention.

Fig. 3 is a schematic perspective view of the cloth cutting mechanism of the present invention.

Fig. 4 is a schematic perspective view of an auxiliary tapping and cutting mechanism according to the present invention.

Fig. 5 is a schematic perspective view of the automatic positioning pushing mechanism of the present invention.

Fig. 6 is a schematic perspective view of the automatic reset mechanism of the present invention.

FIG. 7 is a schematic perspective view of an automatic scrolling mechanism according to the present invention.

Description of reference numerals: 1: bottom plate, 2: first support plate, 3: second support plate, 4: cloth drawing mechanism, 41: winding wheel, 42: first rotating connecting rod, 43: a roller, 5: cloth cutting mechanism, 51: collection frame, 52: cylinder, 53: supporting sliding sleeve, 54: first connecting rod, 55: sliding connecting rod, 56: first spring, 57: second spring, 58: second connecting rod, 59: cutting knife, 510: third spring, 511: baffle, 6: auxiliary tap cutting mechanism, 61: first connecting slide, 62: push rod, 63: fourth spring, 7: automatic screens pushing mechanism, 71: second connecting slide, 72: slide detent lever, 73: bevel block, 74: fifth spring, 75: wedge rod, 8: automatic reset mechanism, 81: rotating connecting rod, 82: first straight gear, 83: second spur gear, 84: first rack, 85: second rack, 9: automatic scrolling mechanism, 91: second rotating link, 92: third spur gear, 93: fourth spur gear, 94: and a third rack.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.

Example 1

The utility model provides a medical dressing production is with dividing strip coiling material device, as shown in figure 1, including bottom plate 1, first backup pad 2, second backup pad 3, cloth mechanism 4 and cloth cutting mechanism 5, both sides all are equipped with first backup pad 2 about the rear side on bottom plate 1, and the front side is equipped with second backup pad 3 on bottom plate 1, is equipped with cloth mechanism 4 between two first backup pads 2, and 3 tops of second backup pad are equipped with cloth cutting mechanism 5.

When people want to divide the batching to the cloth, can use this kind of medical dressing production with dividing the batching coiling mechanism, at first, the user places the cloth on cloth mechanism 4 with the cloth, starts cloth cutting mechanism 5, makes cloth cutting mechanism 5 move backward, and cloth cutting mechanism 5 cuts the cloth on cloth mechanism 4, cuts into a plurality of branches with the cloth, and after the cloth cutting was accomplished, close cloth cutting mechanism 5, takes out the branch on the cloth mechanism 4 of taking out.

Example 2

Based on embodiment 1, as shown in fig. 2 and fig. 3, the cloth withdrawing mechanism 4 includes a winding wheel 41, a first rotating connecting rod 42 and a roller 43, the winding wheel 41 is rotatably connected between the two first supporting plates 2, the first rotating connecting rod 42 is disposed on the top of each of the two first supporting plates 2, and the roller 43 is rotatably connected between the two first rotating connecting rods 42.

The user places the cloth on around wheel 41, puts the one end of cloth on cylinder 43 again, and the user rotates cylinder 43, makes the cloth on the cylinder 43 prolong forward to the drive is around wheel 41 and is rotated, takes out the cloth, realizes taking out the cloth effect, and the cloth is taken out and is accomplished the back, and the stall is taken out to cylinder 43, above action stops.

The cloth cutting mechanism 5 comprises a collecting frame 51, air cylinders 52, a supporting sliding sleeve 53, a first connecting rod 54, a sliding connecting rod 55, a first spring 56, a second spring 57, a second connecting rod 58, a cutting knife 59, a third spring 510 and a baffle 511, wherein the collecting frame 51 is arranged in the middle of the upper part of the base plate 1, the two air cylinders 52 are arranged at the top part of the second supporting plate 3, the supporting sliding sleeve 53 is arranged at the rear side of the top part of the second supporting plate 3, the sliding connecting rod 55 is connected between the telescopic rods of the two air cylinders 52, the first connecting rod 54 is arranged at the upper part of the supporting sliding sleeve 53 in a sliding way, the first connecting rod 54 is connected with the sliding connecting rod 55, the first spring 56 is wound at the front side of the first connecting rod 54, the two ends of the first spring 56 are respectively connected with the supporting sliding sleeve 53 and the sliding connecting rod 55, the second spring 57 is wound at, the rear side of the first connecting rod 54 is movably provided with a second connecting rod 58, the second connecting rod 58 is provided with a cutting knife 59, the second connecting rod 58 is wound with two third springs 510, two ends of each third spring 510 are respectively connected with the first connecting rod 54 and the cutting knife 59, a baffle 511 is connected between the front sides of the two first supporting plates 2, and the baffle 511 is matched with the cutting knife 59.

After the cloth strip is drawn out, the user starts the air cylinder 52, the telescopic rod of the air cylinder 52 drives the sliding connecting rod 55 to move backwards, the first spring 56 is stretched, the second spring 57 is compressed, the first connecting rod 54 is driven to move backwards, the first connecting rod 54 drives the second connecting rod 58 to move backwards, the cutting knife 59 is driven to move backwards, the cutting knife 59 is made to contact with the cloth strip, the cloth strip is made to contact with the baffle 511, the user pushes the cutting knife 59 leftwards, the left third spring 510 is stretched, the right third spring 510 is compressed, the cutting knife 59 is made to cut the cloth strip, the cloth strip is cut into a plurality of strips, the cut strips fall into the collecting frame 51, the cutting knife 59 is loosened, the two third springs 510 are reset, the cloth strip is cut for the second time, the cloth strip cutting effect is realized, after the cloth strip cutting is finished, the user controls the telescopic rod of the air cylinder 52 to shorten forwards, the telescopic rod of the air cylinder 52 drives the, the first spring 56 and the second spring 57 are reset, and the sliding connecting rod 55 drives the cutting knife 59 to move forward, so that the air cylinder 52 is closed.

Example 3

On the basis of embodiment 2, as shown in fig. 4 to 7, the utility model further includes an auxiliary tapping and cutting mechanism 6, the auxiliary tapping and cutting mechanism 6 is disposed on the left and right sides of the rear wall of the baffle 511, the auxiliary tapping and cutting mechanism 6 includes a first connecting sliding sleeve 61, a pushing rod 62 and a fourth spring 63, the first connecting sliding sleeve 61 is disposed on each of the left and right sides of the rear wall of the baffle 511, the pushing rods 62 are slidably disposed on the two first connecting sliding sleeves 61, the fourth spring 63 is wound around the two pushing rods 62, and two ends of the fourth spring 63 are respectively connected to the first connecting sliding sleeve 61 and the pushing rod 62.

The reverse pulling catch bar 62 of user makes catch bar 62 reverse motion, and fourth spring 63 is tensile, loosens catch bar 62, and fourth spring 63 resets to drive catch bar 62 and move in opposite directions, catch bar 62 and cutting knife 59 contact cooperation make catch bar 62 beat cutting knife 59, realize supplementary effect of beating the cutting.

Still including automatic screens pushing mechanism 7, be equipped with automatic screens pushing mechanism 7 between sliding connection pole 55 and the baffle 511, automatic screens pushing mechanism 7 is including second connection sliding sleeve 71, slip screens pole 72, sloping piece 73, fifth spring 74 and wedge pole 75, baffle 511 back wall left and right sides all is equipped with second connection sliding sleeve 71, two second connection sliding sleeves 71 are all gone up the slidingtype and are equipped with slip screens pole 72, all be equipped with sloping piece 73 on two catch bars 62, sloping piece 73 and slip screens pole 72 cooperation, all around having fifth spring 74 on two slip screens pole 72, fifth spring 74 both ends are connected with second connection sliding sleeve 71 and slip screens pole 72 respectively, sliding connection pole 55 all is equipped with wedge pole 75 at both ends about, wedge pole 75 and the cooperation of slip screens pole 72.

When the sliding connecting rod 55 moves backwards, the sliding connecting rod 55 drives the wedge-shaped rod 75 to move backwards, the wedge-shaped rod 75 is in contact fit with the sliding clamping rod 72, so as to drive the sliding clamping rod 72 to move downwards, the fifth spring 74 is compressed, the sliding clamping rod 72 is far away from the inclined plane block 73, the fourth spring 63 is reset, so as to drive the pushing rod 62 to move in opposite directions, when the sliding connecting rod 55 moves forwards, the sliding connecting rod 55 drives the wedge-shaped rod 75 to move forwards, the wedge-shaped rod 75 is far away from the sliding clamping rod 72, the fifth spring 74 is reset, so as to drive the sliding clamping rod 72 to move upwards, a user pulls the pushing rod 62 reversely again, so that the sliding clamping rod 72 is in contact fit with the inclined plane block 73, the inclined plane block 73 and the pushing rod 62 are clamped, and an automatic clamping pushing effect is.

Still including automatic re-setting mechanism 8, be equipped with automatic re-setting mechanism 8 between baffle 511 and the wedge pole 75, automatic re-setting mechanism 8 is including rotating connecting rod 81, first straight-tooth gear 82, second straight-tooth gear 83, first rack 84 and second rack 85, the equal rotary type in baffle 511 back wall left and right sides is equipped with rotating connecting rod 81, two rotating connecting rod 81 upper portions are equipped with first straight-tooth gear 82, two rotating connecting rod 81 upper portions are equipped with second straight-tooth gear 83, all be equipped with first rack 84 on two wedge poles 75, first rack 84 and the meshing of second straight-tooth gear 83, all be equipped with second rack 85 on two catch bars 62, second rack 85 and the meshing of first straight-tooth gear 82.

When the wedge-shaped rod 75 moves backwards, the wedge-shaped rod 75 drives the first rack 84 to move backwards, the first rack 84 is meshed with the second straight gear 83, the second straight gear 83 does not rotate, when the sliding capture rod 72 moves downwards, the sliding capture rod 72 is far away from the inclined plane block 73, the fourth spring 63 is reset, so as to drive the push rod 62 to move in opposite directions, the push rod 62 drives the second rack 85 to move in opposite directions, the second rack 85 is meshed with the first straight gear 82, so as to drive the first straight gear 82 to rotate, when the wedge-shaped rod 75 moves forwards, the wedge-shaped rod 75 drives the first rack 84 to move forwards, the first rack 84 is meshed with the second straight gear 83, so as to drive the second straight gear 83 to rotate, the second straight gear 83 drives the rotating connecting rod 81 to rotate, so as to drive the first straight gear 82 to rotate, the first straight gear 82 is meshed with the second rack 85, so as to drive the second rack 85 to move in reverse direction, and the second rack 85 drives the push rod 62 and the inclined plane block 73 to move, the inclined block 73 is in contact fit with the sliding clamping rod 72, the inclined block 73 and the pushing rod 62 are clamped, and the automatic resetting effect is achieved.

Still including automatic rolling mechanism 9, be equipped with automatic rolling mechanism 9 between 2 front side tops of two first backup pads, automatic rolling mechanism 9 is including second rotation connecting rod 91, third straight-tooth gear 92, fourth straight-tooth gear 93 and third rack 94, the rotary type is connected with second rotation connecting rod 91 between 2 front side tops of two first backup pads, second rotation connecting rod 91 front side left and right sides two all is equipped with third straight-tooth gear 92, second rotation connecting rod 91 rear side left and right sides two all is equipped with fourth straight-tooth gear 93, third straight-tooth gear 92 and fourth straight-tooth gear 93 are one-way gear, all be equipped with third rack 94 on two first racks 84, third straight-tooth gear 92 and fourth straight-tooth gear 93 mesh, third rack 94 and fourth straight-tooth gear 93 mesh.

When the first rack 84 moves forward, the first rack 84 drives the third rack 94 to move forward, the third rack 94 is meshed with the fourth straight gear 93 so as to drive the fourth straight gear 93 to rotate, the fourth straight gear 93 is meshed with the third straight gear 92 so as to drive the third straight gear 92 to rotate, the third straight gear 92 and the fourth straight gear 93 roll out the cloth strips on the roller 43 downwards, the automatic rolling effect is realized, when the first rack 84 moves backward, the first rack 84 drives the third rack 94 to move backward, the third rack 94 is meshed with the fourth straight gear 93, and the fourth straight gear 93 cannot rotate.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.