CN115404582B - Warp beam of warping machine - Google Patents

Abstract

The application relates to a warp beam of a warping machine, which comprises a warp beam body and baffle plates arranged at two ends of the warp beam body, wherein a cutting mechanism is arranged on the warp beam body, a clamping mechanism is arranged on the warp beam body, a mounting groove is formed in the side wall of the warp beam, and the clamping mechanism can be arranged in the mounting groove and is detachably connected with the warp beam. The yarn winding device has the advantages that the yarn is not easy to scatter due to the fact that the clamping mechanism clamps and fixes the yarn and then is cut off by the cutting mechanism, and the yarn winding device is not easy to interfere the yarn winding in the process of winding the yarn on the warp beam body due to the fact that the clamping mechanism is positioned in the mounting groove, the phenomenon of non-uniformity in the process of winding the yarn on the warp beam body is not easy to occur, and the warping quality of the yarn is improved.

Description

Warp beam of warping machine

Technical Field

The application relates to the field of warping machines, in particular to a warp beam of a warping machine.

Background

The warping machine is a main device in a pre-finishing process of fabric weaving and is used for warping yarns.

The common warping machine comprises a frame and a warp beam rotatably arranged on the frame, wherein yarns or filaments are led out from a yarn cylinder on a yarn frame, concentrated by a yarn collecting plate, split by a split reed, tensioned by a tension roller and uniformly wound on the warp beam under the guidance of a yarn guiding roller.

When the length of the yarn or filament wound on one beam reaches a specified length, the yarn or filament needs to be cut off, then the beam is separated from the frame for storage, and a new beam is rotatably arranged on the frame for continuous warping. When cutting off yarns or filaments, the traditional method is to cut off and knot the yarns which are evenly distributed into a plurality of strands which are approximately even manually, and then evenly arrange a plurality of connecting ropes on the beam along the axis direction of the beam after the new beam is replaced, the cut-off strands of yarns are respectively and correspondingly knotted and connected on the connecting ropes one by one, then the beam is rotated, and as the yarns are separated by the separating reed, the friction force between the yarns and the beam is larger under the action of the tensioning roller, the yarns can be gradually restored to be evenly distributed from a beam shape again to wrap on the beam for warping along with the rotation of the beam.

However, due to the influence of knots of yarn bundles and connecting ropes, the phenomenon that yarns on a warp beam are unevenly distributed in the warping process possibly occurs, the yarns or filaments wound on the warp beam are still uneven in the warping process which is not adjusted manually, the quality of the fabric woven by the warp yarns is reduced in the subsequent weaving process, certain waste is caused due to the need of cutting, and the two cut fabrics are sewn, so that the production cost is increased and the quality of the fabric is reduced.

Disclosure of Invention

The application provides a warp beam of a warping machine, which aims to solve the problem that yarns on the warp beam are uneven due to knots generated by connecting ropes and yarn bundles.

The warp beam of the warping machine provided by the application adopts the following technical scheme:

the utility model provides a beam of warper, is in including beam body and coaxial arrangement baffle on the beam body both ends, be provided with on the beam body and be used for cutting the mechanism that cuts of yarn, still be provided with fixture on the beam body, fixture is used for carrying out the centre gripping to the yarn tip after cutting on the warper fixedly, the mounting groove has been seted up on the beam body lateral wall, fixture mountable in the mounting groove and with beam body detachable connection.

Through adopting above-mentioned technical scheme, after the yarn on a warp beam body is around full, carry out the centre gripping fixed back to the yarn through fixture, cut the yarn through cutting mechanism, then demolish the warp beam that has been full from the warper and install new warp beam, then install fixture in the mounting groove, start the warper and drive the warp beam and rotate, fixture drives the yarn and winds on the warp beam, because carry out the centre gripping through fixture to the yarn and fix the back rethread cutting mechanism and cut off, make the yarn difficult disorder, because add the inside of holding mechanism in the mounting groove, the yarn is difficult for producing the interference to the winding of yarn around the in-process on the warp beam body, the yarn is difficult for appearing inhomogeneous phenomenon around the in-process of warp beam body, the warping quality of yarn has been improved.

Optionally, fixture includes two clamping bars that are parallel to each other, the clamping bar with the axis of warp beam body is parallel, two connect through first mounting between the clamping bar for carrying out the centre gripping to the yarn, cutting mechanism includes two dead levers that are parallel to each other, two connect through the second mounting between the dead lever for carrying out the centre gripping to the yarn, the dead lever with the axis of warp beam body is parallel, slide on the dead lever and install the cutting knife for cutting the yarn, the both ends of dead lever can be dismantled with two baffles respectively and be connected, the clamping bar can be dismantled and install on the roof of dead lever.

Through adopting above-mentioned technical scheme to clamping lever and dead lever carry out the centre gripping to the both ends of yarn and fix, then the rethread cutting knife cuts, because the yarn both ends are all fixed, make the yarn be by the in-process of cutting knife, the yarn on the warper is difficult for appearing the fracture.

Optionally, two the ring channel has all been seted up coaxially on the opposite one side of baffle, the ring channel will the baffle deviates from a lateral wall of warp beam body runs through, the both ends of dead lever cooperate respectively to slide and install in two ring channels, the second mounting includes two fixing bolt, defines two dead levers as first dead lever and second dead lever respectively, and two fixing bolt rotate respectively and install on the both ends of first dead lever, and two fixing bolt are located two ring channels respectively, fixing bolt's one end passes first dead lever with second dead lever threaded connection, all set up the mounting hole on the terminal surface at the both ends of the length direction of second dead lever, slide in the mounting hole and install the ejector pin, fixing bolt with the terminal surface of second dead lever link is conical, the ejector pin is also conical towards the one end of mounting hole bottom, when fixing bolt rotates to first dead lever and second dead lever with the conical surface of ejector pin and the tight conical surface of clamping screw of ejector pin with the conical surface between the conical surface of ejector pin and the annular groove.

Through adopting above-mentioned technical scheme, when rotating fixing bolt to first dead lever and support tight second dead lever, fixing bolt promotes the ejector pin and supports tight baffle and fix, and it is comparatively convenient to fix between first dead lever and the second dead lever, and can fix on the optional position of baffle, and the adaptation degree is wider.

Optionally, first constant head tank has been seted up on the first dead lever deviates from a lateral wall of warp beam body, the length direction of first constant head tank is followed the length direction setting of first dead lever, the second dead lever deviates from seted up the second constant head tank on a lateral wall of warp beam body, the length direction of second constant head tank is followed the length direction setting of second dead lever, works as first dead lever with the second dead lever presss from both sides tight yarn, first dead tank with second dead tank intercommunication amalgamation each other, will two the clamping lever is defined into first clamping lever and second clamping lever respectively, the tank bottom of second dead tank is provided with a plurality of locating levers, set up a plurality of with on the second clamping lever lateral wall with the locating hole of locating lever one-to-one, the second clamping lever cooperation is slided and is installed in the second locating slot, the first clamping lever slides and installs in the first locating slot, first impeller is provided with first impeller, first impeller and second impeller, first impeller is provided with the clearance is used for the tank bottom and cuts between clamping lever and the tank bottom intercommunication.

Through adopting above-mentioned technical scheme, when installation dead lever and clamping lever, at first install the second clamping lever in the second constant head tank, then with first dead lever and second dead lever through the mutual centre gripping fixed back of fixing bolt, slide first clamping lever again and install in first constant head tank, promote first clamping lever clamp yarn through the impeller for when installing first clamping lever, contactless between first clamping lever and the yarn, the yarn is difficult for being broken by first clamping lever and second clamping lever.

Optionally, the first dead lever deviates from cut the groove has been run through on a lateral wall of second dead lever, the length direction in cut the groove is followed the length direction setting of first dead lever, the cutting knife is cuboid form and slides and install in the groove cuts, the second dead lever orientation be provided with the holding tank on a lateral wall of first dead lever, the holding tank with cut the groove intercommunication, one side of cutting knife slides to cut off the yarn after in the holding tank.

Through adopting above-mentioned technical scheme, can cut off the yarn in step along the cutting knife that first dead lever length direction set up, the cutting efficiency is higher, and because cut with the vertical direction of the range direction of yarn, the even range of difficult disorder yarn during the cutting.

Optionally, the impeller is including sliding the push rod of installing on the first dead lever, the push rod with the push pedal is connected, the push rod is followed the direction of sliding of push pedal slides, the push rod with the cutting knife is connected, the cover is equipped with the spring on the push rod, the both ends of spring respectively with first dead lever with the push rod is connected, initial state the spring promotes one side that the cutting knife was smooth slides to in the holding tank, at this moment the push pedal supports tightly first clamping lever, be provided with on the first dead lever and block establish the mechanism in order to be used for right the push rod is fixed a position.

Through adopting above-mentioned technical scheme, when unclamping the card and establishing the mechanism, under the elasticity effect of spring, the cutting knife can slide with higher speed and cut off yarn, is difficult for being blocked by yarn when the cutting knife cuts yarn and leads to needing cutting many times, simultaneously when the cutting knife slides to the holding tank in after, because the push pedal supports tight first clamping lever for the cutting knife that is connected with the push pedal stops to remove, the cutting knife's cutting edge can not lead to the edge of a knife because of striking the lateral wall of holding tank.

Optionally, the first mounting includes inlaying and establishes the magnetism piece on the second clamping lever, be provided with in the first clamping lever with magnetism piece looks attraction, also inlay on the mounting groove lateral wall be equipped with magnetism piece looks attraction.

Through adopting above-mentioned technical scheme, first clamping lever and second clamping lever clamp the yarn through the mutual attraction between magnet and the magnetic shoe, after the cutting knife finishes with yarn cutting, pull out the cutting knife from the holding tank, push pedal and first clamping lever separation simultaneously, then take out first clamping lever and second clamping lever from first constant head tank and second constant head tank respectively, after changing the warp beam, inlay first clamping lever and second clamping lever cooperation and establish in the mounting groove of new warp beam body, the magnetic shoe in the mounting groove lateral wall mutually supports first clamping lever and second clamping lever with magnet and fixes in the mounting groove, accomplish the fixed of yarn on the warp beam body.

Optionally, the mounting groove is inclined along the rotation direction of the beam body.

Through adopting above-mentioned technical scheme, when the warp beam rotates, install first clamping lever and the second clamping lever in the mounting groove of slope more difficult follow the mounting groove roll-off.

Optionally, a plurality of fixed slots have been seted up on the first clamping lever deviates from a lateral wall of second clamping lever, magnet one-to-one slides and installs in the fixed slot, be provided with a plurality of counter bores on the first clamping lever, slide in the counter bore and install locking bolt, locking bolt's one end passes the counter bore with second clamping lever threaded connection.

Through adopting above-mentioned technical scheme, before installing first clamping lever, take out magnet from the fixed slot at first, then slide first clamping lever and install in first constant head tank again for first clamping lever and second clamping lever can not support tightly each other because of magnetic force, and then make comparatively convenient when installing first clamping lever, after installing first clamping lever, slide first clamping lever to laminating support tightly second clamping lever, then load into the fixed slot with magnet and advance the location, the rethread locking bolt carries out final fixation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the yarn on one warp beam body is fully wound, the yarn is clamped and fixed through the clamping mechanism, the yarn is cut through the cutting mechanism, then the fully wound warp beam is removed from the warping machine, a new warp beam is installed, then the clamping mechanism is installed in the installation groove, the warping machine is started to drive the warp beam to rotate, the clamping mechanism drives the yarn to wind on the warp beam, the yarn is difficult to scatter due to the fact that the clamping mechanism clamps and fixes the yarn and then cuts off through the cutting mechanism, and the yarn winding is difficult to interfere in the winding of the yarn due to the fact that the clamping mechanism is positioned in the installation groove, and the yarn winding is difficult to occur uneven phenomenon in the process of winding the yarn on the warp beam body, so that the warping quality of the yarn is improved;

2. the two ends of the yarn are clamped and fixed by the clamping rod and the fixing rod and then cut by the cutting knife, and the yarn is not easy to break in the process of being cut by the cutting knife due to the fact that the two ends of the yarn are fixed;

3. when loosening the card and establishing the mechanism, under the elasticity effect of spring, the cutting knife can slide with higher speed and cut off the yarn, is difficult for being blocked by the yarn when the cutting knife cuts the yarn and leads to needs cutting many times, simultaneously when the cutting knife slides to the holding tank in the back, because the push pedal supports tight first clamping lever for the cutting knife that is connected with the push pedal stops moving, the cutting edge of cutting knife can not lead to the coupon sword because of striking the lateral wall of holding tank.

Drawings

Fig. 1 is a schematic perspective view of the warping machine according to the present application.

Fig. 2 is a schematic perspective view of the present application at one end.

Fig. 3 is a schematic cross-sectional view of the present application.

Fig. 4 is an enlarged schematic view of the portion a in fig. 3.

For example, the dimensions and locations of some elements in the drawings may be exaggerated relative to other elements to help to improve understanding of embodiments of the present application.

Reference numerals: 1. a warp beam body; 11. a baffle; 111. an annular groove; 12. a mounting groove; 2. a clamping mechanism; 21. a first clamping lever; 211. a fixing groove; 212. a countersunk hole; 22. a second clamping rod; 221. positioning holes; 23. a first fixing member; 231. a magnetic block; 232. a magnet; 233. a locking bolt; 3. a cutting mechanism; 31. a first fixing rod; 311. a first positioning groove; 312. cutting a groove; 32. a second fixing rod; 321. a mounting hole; 322. a second positioning groove; 323. a receiving groove; 33. a second fixing member; 331. a fixing bolt; 332. a push rod; 34. a cutting knife; 341. a fixing hole; 35. a positioning rod; 4. a pushing member; 41. a push rod; 42. a push plate; 43. a spring; 5. a bolt.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a beam of a warping machine, which comprises a cylindrical beam body 1 and two circular baffles 11 coaxially and fixedly arranged at two ends of the beam body 1, and referring to fig. 1. The beam body 1 is detachably and rotatably arranged on the warping machine.

Referring to fig. 2 and 4, a cutting mechanism 3 for cutting a yarn and a clamping mechanism 2 for clamping the yarn are provided on the beam body 1. The side wall of the warp beam body 1 is also provided with a mounting groove 12, the length direction of the mounting groove 12 is arranged along the axial direction of the warp beam, the mounting groove 12 is used for hiding the clamping mechanism 2, and the mounting groove 12 is inclined along the rotation direction of the warp beam.

Referring to fig. 2 and 4, the cutting mechanism 3 includes two fixing bars, which are defined as a first fixing bar 31 and a second fixing bar 32 for convenience of distinction. An annular groove 111 is coaxially arranged on the opposite surfaces of the two baffles 11, the annular groove 111 penetrates through one side wall of the baffles 11 deviating from the beam body 1, and two ends of the first fixing rod 31 and the second fixing rod 32 are matched and slidably arranged in the two annular grooves 111.

Referring to fig. 2 and 4, the first fixing bar 31 and the second fixing bar 32 are both located above the beam body 1 and are both parallel to the axis of the beam body 1. Yarn passes between first dead lever 31 and second dead lever 32, and first dead lever 31 is located the yarn and deviates from the one side of warper, is provided with second mounting 33 on the first dead lever 31, and second mounting 33 is including rotating two fixing bolt 331 of installing on first dead lever 31 both ends, and fixing bolt 331 is arranged in ring channel 111, and first dead lever 31 and second dead lever 32 threaded connection are passed to fixing bolt 331's one end, and after tightening fixing bolt 331, first dead lever 31 and second dead lever 32 press from both sides the yarn. The two end faces of the second fixing rod 32 are provided with a mounting hole 321, a push rod 332 is slidably mounted in the mounting hole 321, one end of the fixing bolt 331 penetrates into the mounting hole 321, the end faces of the opposite ends of the push rod 332 and the fixing bolt 331 are conical, and at the moment, the conical end of the fixing bolt 331 pushes the push rod 332 to abut against the groove bottom of the annular groove 111 through cooperation between the conical end of the push rod 332 to fix the first fixing rod 31 and the second fixing rod 32 on the baffle 11.

Referring to fig. 2 and 4, a side wall of the first fixing rod 31 facing away from the second fixing rod 32 is provided with a cutting groove 312, the length of the cutting groove 312 is equal to the length of the beam body 1 between the two baffles 11, and the cutting groove 312 is arranged along the length direction of the first fixing rod 31. The second fixing rod 32 is provided with a receiving groove 323 on a side wall facing the first fixing rod 31, the length direction of the receiving groove 323 is parallel to the length direction of the cutting groove 312, and the receiving groove 323 is equal in length to the cutting groove 312 and is communicated with the cutting groove 312. The flat rectangular parallelepiped cutter 34 is slidably mounted in the cutting groove 312, and the edge of the cutter 34 faces the accommodating groove 323, so that the yarn is cut by the slidable cutter 34.

Referring to fig. 2 and 4, a first positioning groove 311 is formed in the top wall of the first fixing rod 31, a second positioning groove 322 is formed in the top wall of the second fixing rod 32, the first positioning groove 311 and the second positioning groove 322 are parallel to each other in the length direction, the first positioning groove 311 is formed along the length direction of the first fixing rod 31, the first positioning groove 311 is equal in length to the cutting groove 312, and the second positioning groove 322 is equal in length to the first positioning groove 311.

Referring to fig. 2 and 4, the clamping mechanism 2 includes two clamping rods equal in length to the cutting groove 312, the two clamping rods are respectively defined as a first clamping rod 21 and a second clamping rod 22, the first clamping rod 21 is slidably installed in the first positioning groove 311, the second clamping rod 22 is embedded in the second positioning groove 322, a plurality of positioning rods 35 are arranged at the bottom of the second positioning groove 322, a plurality of positioning holes 221 are formed in the bottom wall of the second clamping rod 22, and the positioning rods 35 are inserted in the positioning holes 221 in a one-to-one corresponding manner to position the second clamping rod 22.

Referring to fig. 2 and 4, a pushing member 4 is disposed on the first clamping rod 21, the pushing member 4 includes a push plate 42 slidably mounted in the first positioning slot 311, two push rods 41 are slidably mounted on the first fixing rod 31, one end of each push rod 41 slidably passes through a side wall of the first positioning slot 311 and is fixedly connected with the push plate 42, and the first clamping rod 21 is pushed to be abutted against the second clamping rod 22 to clamp the yarn by the sliding push rods 41 and the push plate 42.

Referring to fig. 2 and 4, a spring 43 is further sleeved on the push rod 41, two ends of the spring 43 are fixedly connected with the push rod 41 and the first fixing rod 31 respectively, the push rod 41 is fixedly connected with the cutting knife 34, in an initial state, the push plate 42 abuts against the first clamping rod 21 under the action of elasticity of the spring 43, and one side of the cutting edge of the cutting knife 34 is located in the containing groove 323.

Referring to fig. 1 and 4, a clamping mechanism is further provided on the first fixing rod 31, the clamping mechanism includes a plug pin 5 slidably mounted on the first fixing rod 31, a fixing hole 341 is provided in the middle of the cutter 34, and when the cutter 34 slides into the cutting slot 312, the plug pin 5 is slidably mounted into the fixing hole 341.

Referring to fig. 2 and 4, the first clamping rod 21 and the second clamping rod 22 are abutted against each other by the first fixing piece 23, the first fixing piece 23 comprises a plurality of magnetic blocks 231 embedded in the second clamping rod 22, a plurality of fixing grooves 211 corresponding to the magnetic blocks 231 one by one are formed in one side wall of the first clamping rod 21, which faces away from the second clamping rod 22, the fixing grooves 211 are slidably provided with magnets 232, and the first clamping rod 21 is abutted against the second clamping rod 22 by the attraction between the magnets 232 and the magnetic blocks 231. A counter bore 212 is formed at both ends of the first clamping rod 21, a locking bolt 233 is slidably mounted in the counter bore 212, and one end of the locking bolt 233 passes through the counter bore 212 and is in threaded connection with the second clamping rod 22 so as to finally fix the first clamping rod 21 and the second clamping rod 22.

Referring to fig. 2 and 4, a gap is provided between the first fixing bar 31 and the second fixing bar 32 at the bottoms of the first positioning groove 311 and the second positioning groove 322, and after the yarn is wound on the beam body 1, after the cutting knife 34 completes the cutting of the yarn, the first clamping bar 21 is fixedly clamped on the second clamping bar 22 by the cooperation between the magnet 232 and the magnetic block 231 and the action of the locking bolt 233 to complete the positioning of the yarn, and then the clamping bars are separated from the fixing bars.

Referring to fig. 1 and 3, the fixing rod and the beam body 1 are removed from the warping machine and replaced with a new beam body 1, the clamping rod is slidably mounted in the mounting groove 12, the magnetic block 231 is embedded in the side wall of the mounting groove 12, the magnetic block 231 and the magnet 232 attract each other to fix the clamping rod, and then the yarn is fixed on the beam body 1.

The implementation principle of the warp beam of the warping machine in the embodiment of the application is as follows: after the warp beam body 1 is fully wound with yarn, a new warp beam is moved to a warping machine, then a fixing bolt 331 on a first fixing rod 31 on the new warp beam is rotated, after a push rod 332 is loosened, the fixing rod and the clamping rod are removed from the new warp beam, after two ends of the first fixing rod 31 and the second fixing rod 32 are slidably arranged in two annular grooves 111 and positioned on two sides of the yarn, the first fixing rod 31 is abutted against the second fixing rod 32 by rotating the fixing bolt 331, then the bolt 5 is pulled out, a spring 43 pushes a cutting knife 34 to slide and cut off the yarn, a magnet 232 is placed in a fixing groove 211, after a locking bolt 233 is screwed, the clamping rod is separated from the fixing rod, then the fully wound warp beam is removed from the warping machine, the new warp beam is replaced, and then the mutually clamped first clamping rod 21 and the second clamping rod 22 are slidably arranged in a mounting groove 12, and the clamping rod is fixed in the mounting groove 12 through mutual attraction between a magnetic block 231 in the side wall of the mounting groove 12 and a magnet 232 on the first clamping rod 21, and then one end of the warp beam 1 is fixed.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (4)

1. Warp beam of warper, including warp beam body (1) and coaxial arrangement are in baffle (11) on warp beam body (1) both ends, its characterized in that: the warp beam comprises a warp beam body (1), wherein a cutting mechanism (3) for cutting yarns is arranged on the warp beam body (1), a clamping mechanism (2) is further arranged on the warp beam body (1), the clamping mechanism (2) is used for clamping and fixing the end parts of the yarns cut on a warping machine, an installation groove (12) is formed in the side wall of the warp beam body (1), and the clamping mechanism (2) can be installed in the installation groove (12) and is detachably connected with the warp beam body (1); the clamping mechanism (2) comprises two clamping rods which are parallel to each other, the clamping rods are parallel to the axis of the warp beam body (1), the two clamping rods are connected through a first fixing piece (23) and used for clamping yarns, the cutting mechanism (3) comprises two fixing rods which are parallel to each other, the two fixing rods are connected through a second fixing piece (33) and used for clamping yarns, the fixing rods are parallel to the axis of the warp beam body (1), a cutting knife (34) is slidably arranged on the fixing rods and used for cutting the yarns, two ends of each fixing rod are respectively detachably connected with two baffle plates (11), and the clamping rods are detachably arranged on the top wall of each fixing rod; the two baffle plates (11) are coaxially provided with annular grooves (111) on opposite sides, the annular grooves (111) enable the baffle plates (11) to deviate from one side wall of the beam body (1) to penetrate, two ends of each fixing rod are respectively matched and slidably arranged in the two annular grooves (111), each second fixing piece (33) comprises two fixing bolts (331), the two fixing rods are respectively defined as a first fixing rod (31) and a second fixing rod (32), the two fixing bolts (331) are respectively rotatably arranged on two ends of the first fixing rod (31), the two fixing bolts (331) are respectively arranged in the two annular grooves (111), one end of each fixing bolt (331) penetrates through the first fixing rod (31) and is in threaded connection with the second fixing rod (32), mounting holes (321) are respectively formed in the end faces of two ends of the second fixing rod (32), a top rod (332) is slidably arranged in each mounting hole (321), one end of each fixing bolt (331) penetrates into each mounting hole (321) and is in a conical shape, and is connected with one end face (332) of each conical top rod (331), when the fixing bolt (331) rotates to the first fixing rod (31) and the second fixing rod (32) to clamp the yarn, the fixing bolt (331) pushes the ejector rod (332) to abut against the groove bottom of the annular groove (111) through the cooperation between the conical surface at one end of the fixing bolt and the conical surface at one end of the ejector rod (332); the first fixing rod (31) is deviated from a side wall of the beam body (1) and is provided with a first positioning groove (311), the length direction of the first positioning groove (311) is along the length direction of the first fixing rod (31), the second fixing rod (32) is deviated from a side wall of the beam body (1) and is provided with a second positioning groove (322), the length direction of the second positioning groove (322) is along the length direction of the second positioning rod (35), when the first positioning rod (35) and the second positioning rod (35) clamp yarns, the first positioning groove (311) and the second positioning groove (322) are mutually communicated and spliced, two clamping rods are respectively defined as a first clamping rod (21) and a second clamping rod (22), the bottom of the second positioning groove (322) is provided with a plurality of positioning rods (35), the side wall of the second clamping rod (22) is provided with a plurality of positioning rods (35) which are in one-to-one correspondence with the positioning rods (35), the second clamping rods (221) are correspondingly provided with a plurality of sliding pieces (21) in the first positioning rod (221) and the second clamping rod (221) are correspondingly provided with a sliding piece (21) in the first positioning groove (21), the pushing piece (4) is used for pushing the first clamping rod (21) to tightly clamp the yarn against the second clamping rod (22); the utility model discloses a yarn cutting device, including first dead lever (31), second dead lever (32), cutting groove (312) are run through to be seted up on one lateral wall that deviates from on the second dead lever (32), the length direction in cutting groove (312) is followed the length direction setting of first dead lever (31), cutting knife (34) are cuboid form and slip and install in cutting groove (312), be provided with holding tank (323) on one lateral wall that second dead lever (32) is directed towards first dead lever (31), holding tank (323) with cutting groove (312) intercommunication, one side of cutting knife (34) is slided in holding tank (323) back with yarn cut off; the pushing piece (4) comprises a pushing plate (42) which is installed in the first positioning groove (311) in a sliding mode, two pushing rods (41) are installed on the first fixing rod (31) in a sliding mode, one end of each pushing rod (41) penetrates through the side wall of the corresponding first positioning groove (311) in a sliding mode to be fixedly connected with the corresponding pushing plate (42), the pushing rods (41) and the pushing plates (42) push the corresponding first clamping rods (21) to be attached to each other to tightly clamp the corresponding second clamping rods (22) to be used for clamping yarns, springs (43) are sleeved on the corresponding pushing rods (41), two ends of each spring (43) are connected with the corresponding first fixing rod (31) and the corresponding pushing rods (41) respectively, the springs (43) push one sliding side of each cutting knife (34) to be slid to the corresponding accommodating groove (323) in an initial state, the pushing plates (42) are abutted to the corresponding first clamping rods (21), and clamping mechanisms are arranged on the corresponding first fixing rods (31) to be used for positioning the corresponding pushing rods (41).

2. A warp beam of a warping machine according to claim 1, wherein: the first fixing piece (23) comprises a magnetic block (231) embedded on the second clamping rod (22), a magnet (232) which is mutually attracted with the magnetic block (231) is arranged in the first clamping rod (21), and the side wall of the mounting groove (12) is also embedded with the magnetic block (231) and the magnet (232) which are mutually attracted.

3. A warp beam of a warping machine according to claim 1, wherein: the mounting groove (12) is inclined along the rotation direction of the warp beam body (1).

4. A warp beam of a warping machine according to claim 2, wherein: a plurality of fixed slots (211) are formed in one side wall, deviating from the second clamping rod (22), of the first clamping rod (21), the magnets (232) are installed in the fixed slots (211) in a one-to-one correspondence sliding mode, a plurality of countersunk holes (212) are formed in the first clamping rod (21), locking bolts (233) are installed in the countersunk holes (212) in a sliding mode, and one ends of the locking bolts (233) penetrate through the countersunk holes (212) and are in threaded connection with the second clamping rod (22).