Drawing machine with anti-fracture structure

Abstract

The utility model relates to the technical field of cotton weaving and processing, in particular to a drawing machine with an anti-fracture structure, which comprises a support base, an induction mechanism is arranged in the support base, a pressing mechanism is arranged at the top of the support base, a driving mechanism is arranged below the pressing mechanism, and the anti-fracture structure is arranged on the support base. The drafting mechanism is mounted at one end of the driving mechanism, the sensing mechanism comprises a sliding groove, a sliding rod is slidably connected into the sliding groove, a pressure sensor is mounted at the top of the sliding rod, a reset spring is mounted at the top of the pressure sensor, and a sensing plate is mounted at the top of the reset spring. According to the improved drafting machine, the sensing mechanism is arranged below cotton yarn to detect and control the drafting strength when the cotton yarn is drafted, the situation that the cotton yarn is broken is avoided, the cotton weaving and processing effect is improved, meanwhile, multiple sets of gears are arranged to change the rotating speed of the drafting roller, and adjustment and control are conducted in time when the rotating speed of the drafting roller is too high or too low; and the adaptability of cotton weaving processing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cotton weaving processing, in particular to a drafting machine with an anti-fracture structure. Background Art

[0002] Cotton weaving is a process of using cotton yarn as warp and weft yarn to make various fabrics. Cotton weaving products are of various types and have a wide range of uses. Its production and processing process includes three parts: pre-weaving preparation, weaving and weaving finishing. Cotton weaving processed products are deeply loved by people for their beauty, comfort, lightness and health.

[0003] In the process of cotton weaving, a drafting machine is needed to draft the cotton yarn. The cotton yarn is drafted by drafting rollers with different linear speeds, so that the cotton yarn and the drafting roller with a low linear speed slide relative to each other, so that the cotton yarn is subjected to tension and drafted.

[0004] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. When the drafting machine is stretching the cotton yarn, the cotton yarn is prone to break during stretching and cannot be well protected, resulting in a reduction in the effect of cotton weaving processing; 2. When the drafting machine is stretching the cotton yarn, most of the drafting rollers are stretched at a fixed speed. When the speed of the drafting roller is too fast, the speed of the drafting roller cannot be adjusted well, resulting in a reduction in the adaptability of the cotton weaving processing. Utility Model Content

[0005] The purpose of the utility model is to provide a drafting machine with an anti-fracture structure, so as to solve the problem that the cotton yarn is prone to breakage when the drafting machine is drafting the cotton yarn, which reduces the effect of cotton weaving processing, and most of the drafting machines adopt a fixed speed, and the speed cannot be well adjusted during the drafting operation. To achieve the above purpose, the utility model provides the following technical solutions: the drafting machine with an anti-fracture structure includes a bracket base, a sensing mechanism is installed inside the bracket base, a clamping mechanism is installed on the top of the bracket base, a driving mechanism is arranged below the clamping mechanism, and a drafting mechanism is installed at one end of the driving mechanism.

[0006] The sensing mechanism comprises a slide groove, a slide rod is slidably connected inside the slide groove, a pressure sensor is installed on the top of the slide rod, a return spring is installed on the top of the pressure sensor, and a sensing plate is installed on the top of the return spring.

[0007] The clamping mechanism includes a first motor, one end of which is drivingly connected to a first driving pulley, the first driving pulley is transmission-connected to one end of a first belt, the other end of the first belt is transmission-connected to a first driven pulley, a threaded shaft is welded below the first driven pulley, the external thread of the threaded shaft is threadedly connected to an adjusting block, one side of the adjusting block is rotatably connected to a connecting seat, a connecting screw passes through the interior of the connecting seat, a clamping roller is welded to one end of the connecting screw, and the other end of the connecting screw is threadedly connected to a connecting nut.

[0008] The driving mechanism includes a second motor, one end of the second motor is drivingly connected to a second driving pulley, the second driving pulley is drivingly connected to one end of a second belt, the other end of the second belt is drivingly connected to a second driven pulley, one side of the second driving pulley is welded with an active drafting shaft, and the other end of the active drafting shaft is welded with an active drafting roller.

[0009] The drafting mechanism includes an outer frame, a pulley shaft passes through one side of the outer frame, a docking shaft is inserted on one side of the pulley shaft, the docking shaft is respectively welded to the center of the first driving gear and the second driving gear, the other end of the docking shaft is rotatably connected to an electric telescopic component, the outside of the first driving gear is meshed with a first driven gear, and a second driven gear is arranged on one side of the first driven gear, a driven drafting shaft is welded at the center of the second driven gear, and a driven drafting roller is welded on the other end of the driven drafting shaft.

[0010] Further preferably, the slide groove is located between the active drafting roller and the driven drafting roller, and the top of the induction plate is an arc-shaped structure, and the horizontal height of the induction plate is the same as the horizontal height of the active drafting roller and the driven drafting roller.

[0011] Further preferably, a threaded shaft is welded underneath the first driving pulley and the first driven pulley, and a plurality of connecting screws are welded to one end of the clamping roller, and the connecting nut is threadedly connected to one end of the connecting screw to fit with one side of the connecting seat.

[0012] Further preferably, the support base is an L-shaped structure, and the active drafting roller and the driven drafting roller are respectively located directly below the two clamping rollers, and the active drafting shaft and the driven drafting shaft respectively form a rotation connection structure with the support base.

[0013] Further preferably, a square rod is provided at one end of the docking shaft, and a square slot is embedded in one end of the pulley shaft, and the other end of the pulley shaft is welded to one end of the second driven pulley, and the length of the square rod is greater than the maximum telescopic length of the electric telescopic assembly.

[0014] Further preferably, the first driving gear and the second driven gear have the same tooth moment, the second driving gear and the first driven gear have the same tooth moment, the horizontal distance between the first driving gear and the second driving gear is greater than the horizontal distance between the first driven gear and the second driven gear, and the second driven gear is meshed with the second driven gear on the outside.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, a sensing mechanism is arranged in the drafting machine to sense the drafting force of the cotton yarn in the drafting operation, so as to ensure that the drafting degree of the cotton yarn is uniform. At the same time, when the drafting is excessive, the second motor is controlled to stop the drafting operation to avoid the breakage of the cotton yarn. The drafting strength of the cotton yarn is adjusted in conjunction with a pressing roller with an adjustable pressing distance, so as to further improve the effect of cotton weaving processing.

[0017] In the utility model, a speed change component is arranged in the drafting machine to adjust the rotation speed of the drafting roller, and the speed is timely reduced or increased when the speed of the drafting machine is too fast or too slow, thereby improving the adjustment effect of the speed of the drafting machine and further improving the adaptability of cotton weaving processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the explosion structure of the compacting mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the front view structure of the driving mechanism of the utility model;

[0022] Figure 5 It is a schematic diagram of the exploded and enlarged structure of the drafting mechanism of the utility model.

[0023] In the figure: 1, bracket base; 2, sensing mechanism; 201, slide groove; 202, slide rod; 203, pressure sensor; 204, reset spring; 205, sensing plate; 3, clamping mechanism; 301, first motor; 302, first driving pulley; 303, first belt; 304, first driven pulley; 305, threaded shaft; 306, adjustment block; 307, connecting seat; 308, connecting screw; 309, clamping roller; 3010, connecting nut; 4, driving mechanism; 40 1. Second motor; 402. Second driving pulley; 403. Second belt; 404. Second driven pulley; 405. Active drafting shaft; 406. Active drafting roller; 5. Drafting mechanism; 501. Outer frame; 502. Pulley shaft; 503. Docking shaft; 504. First driving gear; 505. Second driving gear; 506. Electric telescopic assembly; 507. First driven gear; 508. Second driven gear; 509. Driven drafting shaft; 5010. Driven drafting roller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 5 The utility model provides a technical solution: a drawing machine with an anti-fracture structure, including a bracket base 1, a sensing mechanism 2 is installed inside the bracket base 1, a clamping mechanism 3 is installed on the top of the bracket base 1, a driving mechanism 4 is arranged below the clamping mechanism 3, and a drawing mechanism 5 is installed at one end of the driving mechanism 4.

[0026] The sensing mechanism 2 includes a slide groove 201 , the interior of the slide groove 201 is slidably connected with a slide rod 202 , a pressure sensor 203 is installed on the top of the slide rod 202 , a return spring 204 is installed on the top of the pressure sensor 203 , and a sensing plate 205 is installed on the top of the return spring 204 .

[0027] The clamping mechanism 3 includes a first motor 301, one end of which is drivingly connected to a first driving pulley 302, the transmission of the first driving pulley 302 is connected to one end of a first belt 303, the other end of the first belt 303 is drivingly connected to a first driven pulley 304, a threaded shaft 305 is welded below the first driven pulley 304, the external thread of the threaded shaft 305 is connected to an adjusting block 306, one side of the adjusting block 306 is rotatably connected to a connecting seat 307, a connecting screw 308 passes through the interior of the connecting seat 307, one end of the connecting screw 308 is welded to a clamping roller 309, and the other end of the connecting screw 308 is threadedly connected to a connecting nut 3010.

[0028] The driving mechanism 4 includes a second motor 401, one end of which is drivingly connected to a second driving pulley 402, the second driving pulley 402 is drivingly connected to one end of a second belt 403, the other end of the second belt 403 is drivingly connected to a second driven pulley 404, one side of the second driving pulley 402 is welded with an active drafting shaft 405, and the other end of the active drafting shaft 405 is welded with an active drafting roller 406.

[0029] The drafting mechanism 5 includes an outer frame 501, a pulley shaft 502 passes through one side of the outer frame 501, a docking shaft 503 is inserted on one side of the pulley shaft 502, the docking shaft 503 is welded to the center of the first driving gear 504 and the second driving gear 505 respectively, the other end of the docking shaft 503 is rotatably connected to an electric telescopic component 506, the outside of the first driving gear 504 is meshed with a first driven gear 507, and a second driven gear 508 is arranged on one side of the first driven gear 507, a driven drafting shaft 509 is welded to the center of the second driven gear 508, and a driven drafting roller 5010 is welded to the other end of the driven drafting shaft 509.

[0030] In this embodiment, Figure 1 and Figure 2 As shown, the slide 201 is located between the active drafting roller 406 and the driven drafting roller 5010, and the top of the induction plate 205 is an arc-shaped structure, and the horizontal height of the induction plate 205 is the same as the horizontal height of the active drafting roller 406 and the driven drafting roller 5010; by arranging a slidable induction plate 205 between the two drafting rollers to fit with the bottom of the cotton yarn, the drafting degree of the cotton yarn during drafting is sensed, thereby avoiding the cotton yarn from being excessively drafted and broken, and when the cotton yarn drafting reaches the critical point, the drafting machine is promptly controlled to be closed or the speed is adjusted, thereby improving the adjustment effect of the drafting machine.

[0031] In this embodiment, Figure 1 and Figure 3As shown, a threaded shaft 305 is welded below the first driving pulley 302 and the first driven pulley 304, and a plurality of connecting screws 308 are welded at one end of the clamping roller 309, and a connecting nut 3010 is threadedly connected to one end of the connecting screw 308 and fits with one side of the connecting seat 307; the two clamping rollers 309 are controlled by the first motor 301 to perform height adjustment, so as to facilitate the adjustment of the clamping degree according to the specifications of the cotton yarn, facilitate the stretching operation of the cotton yarn, and improve the adaptability of the stretching machine to different cotton yarns.

[0032] In this embodiment, Figure 2 and Figure 4 As shown, the support base 1 is an L-shaped structure, and the active drafting roller 406 and the driven drafting roller 5010 are respectively located directly below the two clamping rollers 309, and the active drafting shaft 405 and the driven drafting shaft 509 respectively form a rotating connection structure with the support base 1; the two drafting rollers are driven by the second motor 401 to perform a drafting operation on the cotton yarn, thereby improving the working efficiency of the drafting machine, and further improving the efficiency of the cotton weaving process.

[0033] In this embodiment, Figure 2 and Figure 5 As shown, a square plug rod is provided at one end of the docking shaft 503, and a square slot is embedded in one end of the pulley shaft 502, and the other end of the pulley shaft 502 is welded to one end of the second driven pulley 404, and the length of the square plug rod is greater than the maximum telescopic length of the electric telescopic component 506; the pulley shaft 502 is docked with the docking shaft 503 to cooperate with the electric telescopic component 506 to drive the docking shaft 503 to move laterally, control the two sets of gears to mesh, and then adjust the rotation speed of the drafting roller, so as to facilitate the adjustment of the drafting machine according to demand to prevent the cotton yarn from breaking during drafting.

[0034] In this embodiment, Figure 1 and Figure 5 As shown, the first driving gear 504 and the second driven gear 508 have the same tooth moment, and the second driving gear 505 and the first driven gear 507 have the same tooth moment, and the horizontal distance between the first driving gear 504 and the second driving gear 505 is greater than the horizontal distance between the first driven gear 507 and the second driven gear 508, and the second driven gear 508 is meshed with the outside of the second driving gear 505; the rotation speed of the driven drafting shaft 509 is controlled by meshing two groups of gears with different tooth moments with each other, so that the drafting roller can be accelerated or decelerated according to needs, thereby improving the adjustment effect on cotton weaving processing.

[0035] The use method and advantages of the utility model: When the drafting machine with an anti-fracture structure is used, the working process is as follows:

[0036] like Figure 1 , Figure 2, Figure 3 , Figure 4 and Figure 5 As shown, first, the cotton yarn that needs to be drafted is placed on the active drafting roller 406 and the driven drafting roller 5010; then, the slide bar 202 is moved to make the induction plate 205 contact with the bottom of the cotton yarn, and at the same time, the connecting screw 308 at one end of the pressing roller 309 is docked with the connecting seat 307 in turn, and fixed with the connecting nut 3010, and the first motor 301 is started to drive the first active pulley 302 to drive the first driven pulley 304 to rotate through the transmission first belt 303, and then the adjustment block 306 threadedly connected with the two threaded shafts 305 is controlled to drive the two pressing rollers 309 to press the cotton yarn on the two drafting rollers; then the second motor 401 is started to drive the second active pulley 402 to transmit the second belt 403 to drive the second driven pulley 404 to rotate, thereby driving the active drafting roller 306 to drive the second driven pulley 404 to rotate. The stretching roller 406 rotates, and at the same time, the second driven pulley 404 drives the first driving gear 504 on the docking shaft 503 connected to the pulley shaft 502 to rotate, and the driven drafting roller 5010 meshing with one end of the first driven gear 507 rotates to perform the drafting operation of the cotton yarn; finally, when the induction plate 205 senses that the cotton yarn is drafted to the limit under the action of the lower return spring 204, the second motor 401 is controlled to stop through the lower pressure sensor 203 to prevent the cotton yarn from breaking during stretching. At the same time, when the pressure sensor 203 senses that the cotton yarn is over-drafted or slack, the electric telescopic component 506 is controlled to drive the docking shaft 503 to move laterally so that the second driving gear 505 and the second driven gear 508 are meshed, so that the rotation speed of the driven drafting roller 5010 changes, thereby controlling the drafting effect of the cotton yarn.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A drawing machine with an anti-fracture structure, comprising a support base (1), characterized in that: A sensing mechanism (2) is installed inside the support base (1), a pressing mechanism (3) is installed on the top of the support base (1), a driving mechanism (4) is arranged below the pressing mechanism (3), and a drafting mechanism (5) is installed at one end of the driving mechanism (4); The sensing mechanism (2) comprises a slide groove (201), a slide rod (202) is slidably connected inside the slide groove (201), a pressure sensor (203) is installed on the top of the slide rod (202), a return spring (204) is installed on the top of the pressure sensor (203), and a sensing plate (205) is installed on the top of the return spring (204); The clamping mechanism (3) comprises a first motor (301), one end of the first motor (301) is drivingly connected to a first active pulley (302), the first active pulley (302) is transmission-connected to one end of a first belt (303), the other end of the first belt (303) is transmission-connected to a first driven pulley (304), a threaded shaft (305) is welded below the first driven pulley (304), the outer thread of the threaded shaft (305) is threadedly connected to an adjusting block (306), one side of the adjusting block (306) is rotatably connected to a connecting seat (307), a connecting screw (308) is passed through the interior of the connecting seat (307), one end of the connecting screw (308) is welded to a clamping roller (309), and the other end of the connecting screw (308) is threadedly connected to a connecting nut (3010); The driving mechanism (4) comprises a second motor (401), one end of the second motor (401) is drivingly connected to a second driving pulley (402), the second driving pulley (402) is drivingly connected to one end of a second belt (403), the other end of the second belt (403) is drivingly connected to a second driven pulley (404), one side of the second driving pulley (402) is welded with an active drafting shaft (405), and the other end of the active drafting shaft (405) is welded with an active drafting roller (406); The drafting mechanism (5) comprises an outer frame (501), a pulley shaft (502) passes through one side of the outer frame (501), a docking shaft (503) is inserted into one side of the pulley shaft (502), the docking shaft (503) is respectively welded to the center of the first driving gear (504) and the second driving gear (505), the other end of the docking shaft (503) is rotatably connected to an electric telescopic component (506), the first driving gear (504) is meshed with a first driven gear (507) on the outside, and a second driven gear (508) is arranged on one side of the first driven gear (507), a driven drafting shaft (509) is welded to the center of the second driven gear (508), and a driven drafting roller (5010) is welded to the other end of the driven drafting shaft (509).

2. The drawing machine with an anti-fracture structure according to claim 1, characterized in that: The slide groove (201) is located between the active drafting roller (406) and the driven drafting roller (5010), and the top of the induction plate (205) is an arc-shaped structure, and the horizontal height of the induction plate (205) is the same as the horizontal height of the active drafting roller (406) and the driven drafting roller (5010).

3. The drawing machine with an anti-fracture structure according to claim 1, characterized in that: A threaded shaft (305) is welded below the first driving pulley (302) and the first driven pulley (304), and a plurality of connecting screws (308) are welded at one end of the clamping roller (309), and a connecting nut (3010) is threadedly connected to one end of the connecting screw (308) and fits with one side of the connecting seat (307).

4. The drawing machine with an anti-fracture structure according to claim 1, characterized in that: The support base (1) is an L-shaped structure, and the active drafting roller (406) and the driven drafting roller (5010) are respectively located directly below the two clamping rollers (309), and the active drafting shaft (405) and the driven drafting shaft (509) respectively form a rotation connection structure with the support base (1).

5. The drawing machine with an anti-fracture structure according to claim 1, characterized in that: A square plug rod is provided at one end of the docking shaft (503), and a square slot is embedded in one end of the pulley shaft (502), and the other end of the pulley shaft (502) is welded to one end of the second driven pulley (404), and the length of the square plug rod is greater than the maximum telescopic length of the electric telescopic assembly (506).

6. The drawing machine with an anti-fracture structure according to claim 1, characterized in that: The first driving gear (504) and the second driven gear (508) have the same tooth moment, and the second driving gear (505) and the first driven gear (507) have the same tooth moment, and the horizontal distance between the first driving gear (504) and the second driving gear (505) is greater than the horizontal distance between the first driven gear (507) and the second driven gear (508), and the second driven gear (508) is meshed with the outside of the second driving gear (505).

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