阅读说明：本技术 一种纺织用苎麻纤维切断方法 (Textile ramie fiber cutting method ) 是由 不公告发明人 于 2021-08-24 设计创作，主要内容包括：本发明属于纺织领域,尤其是涉及一种纺织用苎麻纤维切断方法。该方法是配合一种苎麻纤维切断装置进行的,该一种苎麻纤维切断装置包括控制机架,控制机架对面设有动力机架,动力机架与控制机架之间对称设有主转轴,动力机架上设有主电动机,主电动机的输出端固设有主转轴,主转轴设有主动齿轮,另一主转轴上设有从动齿轮,从动齿轮与主动齿轮相互啮合传动,主转轴设有减震垫圈,两减震垫圈上分别设有上滚筒和下滚筒,上滚筒设有刀具及动力机构、收刀和保护机构和上挤夹机构,下滚筒设有下挤夹机构,下滚筒的外圆周面按六十度均匀设有六个V形刀槽,下滚筒的左右端面和上滚筒的右端面设有挤夹控制机构,上滚筒的左端面设有刀具控制机构。(The invention belongs to the field of spinning, and particularly relates to a ramie fiber cutting method for spinning. The method is carried out by matching with a ramie fiber cutting device which comprises a control frame, a power frame is arranged opposite to the control frame, main rotating shafts are symmetrically arranged between the power frame and the control frame, a main motor is arranged on the power frame, the output end of the main motor is fixedly provided with the main rotating shaft, the main rotating shaft is provided with a driving gear, the other main rotating shaft is provided with a driven gear, the driven gear and the driving gear are mutually meshed for transmission, the main rotating shaft is provided with damping washers, an upper roller and a lower roller are respectively arranged on the two damping washers, the upper roller is provided with a cutter and a power mechanism, the cutter collecting and protecting mechanism and the upper extruding and clamping mechanism are arranged on the lower roller, the lower extruding and clamping mechanism is arranged on the lower roller, six V-shaped cutter grooves are uniformly formed in the outer circumferential surface of the lower roller according to sixty degrees, the extruding and clamping control mechanisms are arranged on the left end surface and the right end surface of the lower roller and the right end surface of the upper roller, and the cutter control mechanism is arranged on the left end surface of the upper roller.)

1. A ramie fiber cutting method for textile is matched with a ramie fiber cutting device, the ramie fiber cutting device comprises a control rack (24), a power rack (25) parallel to the control rack (24) is arranged opposite to the control rack (24), main rotating shafts (23) are vertically and symmetrically arranged between the power rack (25) and the control rack (24), a main motor (29) is arranged on the power rack (25), the output end of the main motor (29) is fixedly provided with the main rotating shaft (23), a gear box (26) is arranged in the power rack (25), the gear box (26) is provided with a gear box cover (27), the main rotating shaft (23) fixedly connected with the output end of the main motor (29) is fixedly provided with a driving gear (28) at the position of the gear box (26), and the other main rotating shaft (23) is provided with a driven gear (30), driven gear (30) with driving gear (28) intermeshing transmission, be located upper portion main pivot (23) are equipped with damping washer (33), be equipped with on damping washer (33) cylinder (11), be located the lower portion main pivot (23) are equipped with damping washer (33), be equipped with down cylinder (35) on damping washer (33), the outer periphery of going up cylinder (11) with the outer circumference of lower cylinder (35) butt each other, go up inside cutter and the power unit of being equipped with of cylinder (11), it receives sword and protection mechanism to go up inside being equipped with of cylinder (11), it squeezes the clamp mechanism to go up inside being equipped with of cylinder (11), the inside crowded clamp mechanism down that is equipped with of cylinder (35) down, the outer periphery of lower cylinder (35) is equipped with cylinder rubber layer (34), the outer periphery of lower cylinder (35) evenly is equipped with six V-shaped sword grooves (37) according to sixty degree, the left end face and the right end face of the lower roller (35) and the right end face of the upper roller (11) are provided with squeezing and clamping control mechanisms, and the left end face of the upper roller (11) is provided with a cutter control mechanism.

2. The cutter and the power mechanism for the textile ramie fiber cutting method according to claim 1 are characterized in that: go up cylinder (11) and evenly seted up six knife rest spout (38) according to sixty degrees, every knife rest spout (38) inside is equipped with reciprocal gliding knife rest (39), every cutter spout (42) have been seted up in knife rest (39), every be equipped with reciprocal gliding V-arrangement cutter (10) in cutter spout (42), every V-arrangement cutter (10) and rather than corresponding be equipped with cutter spring (50) between cutter spout (42).

3. The retracting and protecting mechanism of a ramie fiber cutting method for textile according to claim 1, characterized in that: go up cylinder (11) inside and evenly seted up six swing grooves (47), every according to sixty degrees be equipped with reciprocating sliding's arc slide (43) in swing groove (47), every be equipped with positioning gear shaft (17) on knife rest (39), every be equipped with wobbling first swinging arms (46) on positioning gear shaft (17), every the end of first swinging arms (46) is equipped with swing pivot (45), every be equipped with wobbling second swinging arms (44) on swing pivot (45), every second swinging arms (44) end is equipped with swing pivot (45), every swing pivot (45) set firmly on arc slide (43).

4. The upper clamping mechanism of the ramie fiber cutting method for textile according to claim 1, wherein: go up cylinder (11) inside evenly to be equipped with six crowded sliding grooves (49) that press from both sides according to sixty degrees, crowded pressing from both sides and being equipped with in sliding groove (49) can reciprocating sliding crowded slider (40) of pressing from both sides, crowded pressing from both sides slider (40) with crowded pressing from both sides and being equipped with crowded spring (48) of pressing from both sides between sliding groove (49), the arc surface that crowded pressing from both sides slider (40) is equipped with crowded clamp rubber layer (41), every crowded clamp slider (40) inside is equipped with crowded spacing axle (36) that presss from both sides.

5. The lower extruding and clamping mechanism of the ramie fiber cutting method for textile according to claim 1, is characterized in that: lower cylinder (35) inside evenly is equipped with six crowded sliding groove (49) that press from both sides according to sixty degrees, crowded pressing from both sides and being equipped with in sliding groove (49) can reciprocating sliding crowded pressing from both sides slider (40), crowded pressing from both sides slider (40) with crowded pressing from both sides and being equipped with crowded spring (48) of pressing from both sides between sliding groove (49), the arc surface of crowded pressing from both sides slider (40) is equipped with crowded pressing from both sides rubber layer (41), every crowded pressing from both sides slider (40) inside is equipped with crowded spacing axle (36) that presss from both sides.

6. The nipping control mechanism of ramie fiber cutting method for textile according to claim 1, wherein: the control frame (24) is in the left end face position of lower cylinder (35), power frame (25) is in the right end face position of lower cylinder (35) and the right end face position of last cylinder (11) are equipped with crowded clamp spacing (32), crowded clamp spacing (31) have set firmly on crowded clamp spacing (32), crowded clamp spacing (31) inner circle butt has crowded clamp spacing axle (36).

7. The control mechanism of the cutting tool of ramie fiber for textile use according to claim 1, wherein: be equipped with control motor (16) on control frame (24), the output of control motor (16) has set firmly fixed gear axle (18), be equipped with well boss on fixed gear axle (18) and hold (19), be equipped with thick gear (20) on middle boss (19), the end of fixed gear axle (18) is equipped with cover bearing (51), cover bearing (51) are located in main rotating shaft (23), every be equipped with thin gear (14) on positioning gear axle (17), crisscross distribution in groups of thin gear (14) is rather than corresponding on positioning gear axle (17), every the meshing has rack (15) on thin gear (14), every rack (15) and thick gear (20) intermeshing.

Technical Field

The invention belongs to the field of spinning, and particularly relates to a ramie fiber cutting method for spinning.

Background

The linen made of ramie fiber has the characteristics of ventilation, refreshing, softness, comfort, washing resistance, sun resistance, corrosion resistance and bacteriostasis. After degumming, ramie fiber has a crucial step of cutting according to the process requirements. In the prior art, a corresponding collecting or grabbing mechanism is lacked after the ramie fibers are cut off, so that the cut ramie fibers are easy to scatter; secondly, the position of the cutter is relatively fixed, so that the requirements of different production processes on different lengths of ramie fibers are difficult to meet; thirdly, due to the lack of a positioning mechanism, displacement of the ramie fibers is easily caused when the ramie fibers are cut off, so that the ramie fibers are different in length and the product quality is affected. Based on the reasons, the ramie fiber cutting method for textile, which has the grabbing function, can meet the requirements of different cutting lengths and realizes better quality control, is designed.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a ramie fiber cutting method for textile.

In order to achieve the purpose, the invention adopts the following technical scheme: a ramie fiber cutting method for textile is matched with a ramie fiber cutting device, the ramie fiber cutting device comprises a control frame, a power frame parallel to the control frame is arranged opposite to the control frame, main rotating shafts are vertically and symmetrically arranged between the power frame and the control frame, a main motor is arranged on the power frame, the output end of the main motor is fixedly provided with the main rotating shaft, a gear box is arranged in the power frame, the gear box is provided with a gear box cover, the main rotating shaft fixedly connected with the output end of the main motor is fixedly provided with a driving gear at the position of the gear box, the other main rotating shaft is provided with a driven gear, the driven gear and the driving gear are mutually meshed for transmission, the main rotating shaft positioned at the upper part is provided with a damping washer, the damping washer is provided with an upper roller, and the main rotating shaft positioned at the lower part is provided with a damping washer, be equipped with down the cylinder on the shock-absorbing washer, the outer periphery of going up the cylinder with the mutual butt of outer circumference of cylinder down, it is equipped with cutter and power unit to go up inside the cylinder, go up inside receipts sword and the protection mechanism of being equipped with of cylinder, it presss from both sides the mechanism to go up inside being equipped with of cylinder, the inside crowded mechanism that presss from both sides down that is equipped with of cylinder down, the outer periphery of cylinder is equipped with the cylinder rubber layer down, the outer periphery of cylinder evenly is equipped with six V-arrangement sword grooves according to sixty degrees down, the terminal surface about the cylinder down with the right-hand member face of last cylinder is equipped with crowded press from both sides control mechanism, the left end face of going up the cylinder is equipped with cutter control mechanism.

Preferably, six knife rest chutes are uniformly formed in the upper roller according to sixty degrees, each knife rest chute is internally provided with a knife rest capable of sliding in a reciprocating manner, a cutter chute is formed in each knife rest, each cutter chute is internally provided with a V-shaped cutter capable of sliding in a reciprocating manner, and a cutter spring is arranged between each V-shaped cutter and the corresponding cutter chute.

Preferably, go up inside six swing grooves of evenly having seted up according to the sixty degree of cylinder, every but be equipped with reciprocating sliding's arc slide in the swing groove, every be equipped with the gear shaft of transposing on the knife rest, every be equipped with wobbling first swinging arms, every on the gear shaft of transposing the end of first swinging arms is equipped with the swing pivot, every be equipped with wobbling second swinging arms, every in the swing pivot the second swinging arms end is equipped with the swing pivot, every the swing pivot sets firmly on the arc slide.

Preferably, go up inside six crowded spouts that press from both sides of evenly being equipped with according to sixty degrees of cylinder, crowded press from both sides the spout and be equipped with the crowded slider that presss from both sides that can reciprocating sliding in the crowded spout that presss from both sides, crowded press from both sides the slider with crowded press from both sides the spring of being equipped with between the spout, the arc surface of crowded slide that presss from both sides is equipped with crowded rubber layer that presss from both sides, every crowded inside crowded slide that presss from both sides that is equipped with of clamp is equipped with crowded spacing axle that presss from both sides.

Preferably, the inside six crowded spouts that press from both sides that evenly are equipped with according to sixty degrees of lower cylinder, be equipped with the crowded slider that presss from both sides that can reciprocating sliding in the crowded spout that presss from both sides, crowded press from both sides the slider with crowded press from both sides and be equipped with crowded spring between the spout, the arc surface that crowded pressed from both sides the slider is equipped with crowded rubber layer that presss from both sides, every crowded inside crowded spacing axle that presss from both sides that is equipped with of slider.

Preferably, the control frame is provided with a squeezing clamp limiting frame at the left end face position of the lower roller, the power frame at the right end face position of the lower roller and the right end face position of the upper roller, a squeezing clamp limiting ring is fixedly arranged on the squeezing clamp limiting frame, and the inner ring of the squeezing clamp limiting ring is abutted to the squeezing clamp limiting shaft.

Preferably, be equipped with the control motor on the control frame, the output of control motor has set firmly the fixed gear axle, be equipped with well boss on the fixed gear axle and hold, be equipped with thick gear on the boss of centre, the end of fixed gear axle is equipped with the cover bearing, the cover bearing is located in the main rotating shaft, every be equipped with thin gear on the positioning gear axle, thin gear staggered distribution in groups is rather than corresponding on the positioning gear axle, every the meshing has the rack on the thin gear, every rack and thick gear intermeshing.

Preferably, the positions of the extrusion clamp limiting shaft and the position adjusting gear shaft can be reasonably arranged, and then the positions and the ranges of the row knife limiting ring and the extrusion clamp limiting ring are adjusted and optimized to prevent the row knife limiting ring and the extrusion clamp limiting ring from interfering with each other, but the row knife limiting ring and the extrusion clamp limiting ring are symmetrically distributed on two end faces of the upper roller to strengthen the control and correction capability.

Preferably, the number and distribution of the V-shaped cutter, the extrusion clamping slide block and the auxiliary mechanisms thereof can be adjusted according to specific process requirements, so that a better production cutting effect is realized.

Preferably, the elasticity of the cutter spring can be adjusted according to the strength of different hemp fibers so as to realize better cutting effect.

Has the advantages that:

the invention provides a ramie fiber cutting method for textile by improvement, which has the following improvements and advantages compared with the prior art:

1. through the cooperation of the extruding and clamping slide block and the auxiliary mechanism thereof, the grabbing of the cut ramie fibers is realized, and the subsequent processing technology is convenient.

2. Through the cooperation of the knife rest, the thin gear, the thick gear, the positioning gear shaft and the accessory mechanism thereof, the knife can be collected and sealed and protected, thereby realizing the control of different cutting lengths of the ramie fibers.

3. The V-shaped cutter groove and the V-shaped cutter are matched for use, so that a basic positioning function is realized on the ramie fibers in a cutting state, and the cutting quality of the ramie fibers is ensured.

Drawings

FIG. 1 is a front view of the present design;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 4 is a cross-sectional view taken at C-C of FIG. 1;

FIG. 5 is a cross-sectional view taken at D-D of FIG. 1;

FIG. 6 is a cross-sectional view taken at E-E of FIG. 3;

FIG. 7 is a cross-sectional view taken at F-F of FIG. 4;

FIG. 8 is an enlarged view of a portion of FIG. 3 at G;

fig. 9 is a partial enlarged view of fig. 3 at H.

In the figure, a V-shaped cutter 10, an upper roller 11, a line knife limiting ring 12, a tail end bearing 13, a thin gear 14, a rack 15, a control motor 16, a positioning gear shaft 17, a fixed gear shaft 18, a middle boss 19, a thick gear 20, a line knife limiting frame 21, a line knife limiting shaft 22, a main rotating shaft 23, a control frame 24, a power frame 25, a gear box 26, a gear box cover 27, a driving gear 28, a main motor 29, a driven gear 30, a clamp limiting ring 31, a clamp limiting frame 32, a damping washer 33, a roller rubber layer 34, a lower roller 35, a clamp limiting shaft 36, a V-shaped cutter groove 37, a cutter frame sliding groove 38, a cutter frame 39, a clamp sliding block 40, a clamp rubber layer 41, a cutter sliding groove 42, an arc-shaped sliding plate 43, a second swinging rod 44, a swinging rotating shaft 45, a first swinging rod 46, a swinging groove 47, a clamp spring 48, a clamp sliding groove 49, a cutter spring 50 and a sleeve bearing 51.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

As shown in figure 1, a method for cutting off ramie for textile use is carried out by matching with a ramie cutting-off device, the ramie cutting-off device comprises a control frame 24, a power frame 25 parallel to the control frame 24 is arranged opposite to the control frame 24, main rotating shafts 23 are vertically and symmetrically arranged between the power frame 25 and the control frame 24, a main motor 29 is arranged on the power frame 25, a main rotating shaft 23 is fixedly arranged at the output end of the main motor 29, a gear box 26 is arranged in the power frame 25, the gear box 26 is provided with a gear box cover 27, a driving gear 28 is fixedly arranged at the position of the gear box 26 on the main rotating shaft 23 fixedly connected with the output end of the main motor 29, a driven gear 30 is arranged on the other main rotating shaft 23, the driven gear 30 and the driving gear 28 are in mutual meshing transmission, a damping washer 33 is arranged on the main rotating shaft 23 at the upper part, an upper roller 11 is arranged on the damping washer 33, the main rotating shaft 23 positioned at the lower part is provided with a damping washer 33, the damping washer 33 is provided with a lower roller 35, the outer circumferential surface of the upper roller 11 is abutted against the outer circumference of the lower roller 35, a cutter and a power mechanism are arranged inside the upper roller 11, a cutter collecting and protecting mechanism is arranged inside the upper roller 11, an upper extruding and clamping mechanism is arranged inside the upper roller 11, a lower extruding and clamping mechanism is arranged inside the lower roller 35, a roller rubber layer 34 is arranged on the outer circumferential surface of the lower roller 35, six V-shaped cutter grooves 37 are uniformly arranged on the outer circumferential surface of the lower roller 35 according to sixty degrees, extruding and clamping control mechanisms are arranged on the left end surface and the right end surface of the lower roller 35 and the right end surface of the upper roller 11, and a cutter control mechanism is arranged on the left end surface of the upper roller 11.

As shown in fig. 3, 4, 6 and 8, six knife rest sliding grooves 38 are uniformly formed in the upper drum 11 at sixty degrees, a knife rest 39 capable of sliding back and forth is arranged inside each knife rest sliding groove 38, a cutter sliding groove 42 is formed in each knife rest 39, a V-shaped cutter 10 capable of sliding back and forth is arranged inside each cutter sliding groove 42, and a cutter spring 50 is arranged between each V-shaped cutter 10 and the corresponding cutter sliding groove 42.

As shown in fig. 3, 4, 6 and 8, six swing grooves 47 are uniformly formed in the upper drum 11 at sixty degrees, an arc-shaped sliding plate 43 capable of sliding back and forth is arranged in each swing groove 47, a positioning gear shaft 17 is arranged on each tool rest 39, a first swing rod 46 capable of swinging is arranged on each positioning gear shaft 17, a swing rotating shaft 45 is arranged at the tail end of each first swing rod 46, a second swing rod 44 capable of swinging is arranged on each swing rotating shaft 45, a swing rotating shaft 45 is arranged at the tail end of each second swing rod 44, and each swing rotating shaft 45 is fixedly arranged on the arc-shaped sliding plate 43.

As shown in fig. 3, 4, 6 and 8, six squeezing slide grooves 49 are uniformly formed in the upper roller 11 at sixty degrees, a squeezing slide block 40 capable of sliding back and forth is arranged in each squeezing slide groove 49, a squeezing spring 48 is arranged between each squeezing slide block 40 and each squeezing slide groove 49, a squeezing rubber layer 41 is arranged on the arc surface of each squeezing slide block 40, and a squeezing limiting shaft 36 is arranged in each squeezing slide block 40.

As shown in fig. 3, 4, 6 and 9, six squeezing and clamping chutes 49 are uniformly arranged in the lower roller 35 at sixty degrees, squeezing and clamping slide blocks 40 capable of sliding back and forth are arranged in the squeezing and clamping chutes 49, a squeezing and clamping spring 48 is arranged between the squeezing and clamping slide blocks 40 and the squeezing and clamping chutes 49, a squeezing and clamping rubber layer 41 is arranged on the arc surface of the squeezing and clamping slide block 40, and a squeezing and clamping limiting shaft 36 is arranged in each squeezing and clamping slide block 40.

As shown in fig. 1, 2 and 5, the control frame 24 is provided with a pinch limiting frame 32 at the left end face position of the lower roller 35, the power frame 25 is provided with a pinch limiting ring 32 at the right end face position of the lower roller 35 and the right end face position of the upper roller 11, the pinch limiting ring 32 is fixedly provided with a pinch limiting ring 31, and the inner ring of the pinch limiting ring 31 abuts against a pinch limiting shaft 36.

As shown in fig. 1 and 2, a control motor 16 is arranged on a control frame 24, a fixed gear shaft 18 is fixedly arranged at an output end of the control motor 16, a middle boss bearing 19 is arranged on the fixed gear shaft 18, a thick gear 20 is arranged on the middle boss 19, a sleeve bearing 51 is arranged at the tail end of the fixed gear shaft 18, the sleeve bearing 51 is arranged in a main rotating shaft 23, a thin gear 14 is arranged on each positioning gear shaft 17, the thin gears 14 are distributed on the positioning gear shafts 17 corresponding to the thin gears in a group staggered manner, a rack 15 is meshed with each thin gear 14, and each rack 15 is meshed with the thick gear 20.

Furthermore, the positions of the extrusion clamp limiting shaft 36 and the position adjusting gear shaft 17 can be reasonably arranged, and the positions and the ranges of the row knife limiting ring 12 and the extrusion clamp limiting ring 31 are adjusted and optimized to prevent the row knife limiting ring and the extrusion clamp limiting ring from interfering with each other, but the row knife limiting ring and the extrusion clamp limiting ring are symmetrically distributed on two end faces of the upper roller 11 to strengthen the control and correction capability.

Furthermore, the number and distribution of the V-shaped cutter 10, the extrusion clamping slide block 40 and the accessory mechanisms thereof can be adjusted according to specific process requirements, so as to achieve better production cutting-off effect.

Further, the elastic force of the cutter spring 50 can be adjusted according to the strength of different hemp fibers to achieve a better cutting effect.

Initial position: the line knife limiting shaft 22 positioned at the concave position of the line knife limiting ring 12 drives the V-shaped cutting knife 10 to be in an ejecting state under the action of the cutting knife spring 50. The line knife limiting shaft 22 at the convex position of the line knife limiting ring 12 overcomes the elasticity of the cutter spring 50 to drive the V-shaped cutter 10 to be in a retraction state. The extrusion clip limiting shaft 36 located at the convex position of the extrusion clip limiting ring 31 drives the extrusion clip sliding block 40 to be in an ejecting state under the action of the extrusion clip spring 48. The extrusion clamp limiting shaft 36 positioned at the concave position of the extrusion clamp limiting ring 31 overcomes the elastic force action of the extrusion clamp spring 48 and drives the extrusion clamp sliding block 40 to be in a retraction state. The positioning gear shaft 17 drives the tool post 39 to the cutting position. The arc-shaped sliding plate 43 is located in the swing groove 47.

The method for cutting off the ramie fibers for spinning comprises the following specific steps:

the first step is as follows: and (5) transferring into ramie fibers. When the main motor 29 is started, the main motor 29 drives the upper main shaft 23 to rotate, the upper roller 11 is driven by the main shaft 23 to rotate, the upper main shaft 23 drives the driving gear 28 to rotate, the driving gear 28 drives the driven gear 30 to rotate, the driven gear 30 drives the lower main shaft 23, and the lower roller 35 is driven by the main shaft 23. With the rotation of the lower drum 35 and the upper drum 11, the ramie fibers are continuously carried in.

The second step is that: cutting the ramie fiber. With the continuous rotation of the upper roller 11, the line knife limiting shaft 22 reaches the concave position of the line knife limiting ring 12, and the V-shaped cutter 10 is ejected out under the action of the cutter spring 50, so that the ramie fiber is cut off.

The third step: and grabbing the ramie fibers. With the continuous rotation of the upper roller 11, the nip limiting shaft 36 gradually reaches the convex position of the nip limiting ring 31, and the nip sliding block 40 is ejected out under the action of the nip spring 48, thereby grabbing ramie fibers.

The fourth step: retracting the cutter or adjusting the cutting length. The control motor 16 is started, the control motor 16 drives the fixed gear shaft 18 to rotate, the fixed gear shaft 18 drives the thick gear 20 to rotate, the thick gear 20 drives the six racks 15 to rotate, each rack 15 drives the thin gear 14 to rotate and drives the positioning gear shaft 17 to move towards the axis direction, the positioning gear shaft 17 drives the tool rest 39, the V-shaped cutter 10 and the line cutter limiting shaft 22 to move towards the axis direction along the tool rest sliding groove 38, and the arc-shaped sliding plate 43 is drawn along the bottom surface of the swinging groove 47 through the second swinging rod 44, the swinging rotating shaft 45 and the first swinging rod 46 to seal the tool rest sliding groove 38. If the cutting length order is adjusted, whether the corresponding thin gear 14 is meshed with the rack 15 or not is controlled.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.