CN116752276A - Shuttle loom for spinning cashmere products - Google Patents

Abstract

The utility model provides a shuttle loom for cashmere product weaving, includes two main frames, fixedly connected with auxiliary frame on the main frame, two fixedly connected with back timber between the auxiliary frame, back timber below both sides fixedly connected with wooden baffle, wooden baffle front side are equipped with front heald mechanism, wooden baffle rear side is equipped with back heald mechanism, be connected with tension sensing subassembly in main frame and the auxiliary frame, be connected with the upper beam support in the auxiliary frame, go up the upper beam support and rotate and be connected with the upper beam, be connected with drive assembly between center pin and the upper beam. In the use process, through using two upper and lower beam of a loom, warping according to length proportion, add swing back beam, multilayer dispersed structure's tension induction subassembly and a plurality of hank semi-mechanical propelling movement warp, make every warp realize the same tensioning force in different opening motions, overcome the production of broken warp and jump warp, then comparatively complicated difficult tissue style such as realization high-grade raw materials leno that can be good satisfies at the machine condition of weaving, improves product quality.

Description

Shuttle loom for spinning cashmere products

Technical Field

The invention relates to the technical field of textile, in particular to a shuttle loom for spinning cashmere products.

Background

In the leno weave, because of different feeding lengths of ground warp and hank warp, and because of more floating fluff on the surface of cashmere yarn, the quality of grey cloth is difficult to control because of easy formation of sticky clusters and breakage, while the existing leno weave is mostly applied to chemical fiber raw materials such as curtains and decorative cloth, and cannot be popularized and applied in the weaving of high-grade products by a shuttle loom in the prior art, the problems of jumper wire, broken end warp, spider web, irregular weave structure, stranded wire hank failure and the like can occur when the leno weave is woven by the shuttle loom in the prior art, and once the weave defect is generated, the product is a defective product, and the product is irreparable.

Accordingly, a shuttle loom for spinning cashmere products has been proposed to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a shuttle loom for spinning cashmere products, which solves the problems in the background technology.

The invention realizes the above purpose through the following technical scheme:

the utility model provides a shuttle loom for cashmere product weaving, includes two main frames, fixedly connected with auxiliary frame on the main frame, two fixedly connected with back timber between the auxiliary frame, back timber below both sides fixedly connected with wooden baffle, wooden baffle front side is equipped with front heald mechanism, main frame one side is from last fixedly connected with support frame and lower beam of a loom support respectively down, two rotate on the support frame and be connected with the swing back beam, swing back beam both ends fixedly connected with steelyard hook, eccentric yarn guide has been placed on the steelyard hook, lower beam of a loom support is last to rotate and be connected with down the beam of a loom, main frame lower part still rotates and is connected with the center pin, wooden baffle rear side is equipped with back heald mechanism, be connected with tension sensing assembly in main frame and the auxiliary frame, be connected with beam of a loom support on the auxiliary frame, be connected with the beam of a loom on the upper beam of a loom support, be connected with drive assembly between center pin and the upper beam of a loom.

Moreover, the tension sensing assembly comprises sensing piece supports which are respectively connected to the two main frames and the two auxiliary frames, two side by side two lantern rings are respectively and fixedly connected to the sensing piece supports through screws, a first sensing main rod and a second sensing main rod are respectively sleeved on the corresponding lantern rings in a left-right mode, a first sensing blocking rod and a second sensing blocking rod are respectively and fixedly connected to the bottoms of the first sensing main rod and the second sensing main rod through connecting rods, a second pulling rod and a third pulling rod are respectively and fixedly connected to the same ends of the first sensing main rod and the second sensing main rod, a fourth pulling rod is connected to the auxiliary frames close to the second pulling rod, a first tension spring is connected between the fourth pulling rod and the second pulling rod, and a second tension spring is connected between the fourth pulling rod and the third pulling rod.

The transmission assembly comprises an eccentric reciprocating mechanism connected to the central shaft, a swinging rod is fixedly connected to an eccentric ring cover of the eccentric reciprocating mechanism, the other end of the swinging rod is rotatably connected with a swinging plate, the inner side of the main frame is connected with a fixing rod, and the swinging plate is rotatably connected to the fixing rod; the upper loom beam is characterized in that one end of the upper loom beam is fixedly connected with a first gear, a base shaft is fixedly connected to an upper loom beam support close to the first gear, a swinging block, a ratchet wheel and a second gear are sequentially connected to the base shaft in a rotating mode, the second gear is meshed with the first gear, a pawl is connected to one side, close to the ratchet wheel, of the swinging block in a rotating mode, the pawl is meshed with the ratchet wheel or is far away from the ratchet wheel, the other end of the pawl is connected with a first pull rod in a three-phase mode through a tension spring, a floating rod is connected to one side, far away from the ratchet wheel, of the swinging block in a rotating mode, and the other end of the floating rod is connected with a swinging plate in a rotating mode.

Furthermore, the front heald mechanism comprises a plurality of groups of leno heald frames and the rear heald mechanism comprises a wire heald frame.

And the elasticity of the tension spring I, the tension spring II and the tension spring III is 130N-180N.

And a plurality of connecting holes are formed in one end of the swing plate, which is rotationally connected with the floating rod.

And the sensing baffle rod is positioned above the first sensing baffle rod.

Moreover, the leno heald frame comprises a heald frame, a left half heald, a right half heald and a riding heald, wherein sliding grooves are formed in the lower parts of the left half heald and the right half heald, magnets are arranged on two sides of the bottom of the sliding grooves, two inserting pieces at the bottom of the riding heald are respectively inserted into the sliding grooves of the left half heald and the right half heald, and the bottoms of the inserting pieces are adsorbed on the magnets.

And the tension sensing assembly is further provided with a plurality of twisted rods, and the twisted rods are respectively fastened on the first sensing main rod, the second sensing main rod and the swinging rear beam through pull ropes.

And the elasticity of the tension springs I, II and III is 150N.

The beneficial effects of the invention are as follows:

1. the tension sensing component and the transmission component are matched for use, so that the warp twisting pushing on the loom beam is controlled by the stress of the warp twisting, the warp twisting pushing mode can avoid the problem of breakage caused by overlarge stress of the warp twisting in the weaving process of the leno tissue, and can also avoid the problems of jumper wires, broken ends, broken warps, spider webs, irregular tissue structures, twisting failure of the twisted wires and the like, thereby greatly improving the weaving uniformity and quality of the product and enabling the product to have more stereoscopic impression and aesthetic feeling.

2. The invention adopts the tension sensing component with a multilayer dispersion structure and a plurality of twisting rods to semi-mechanically push the warp yarns, so that each warp yarn can realize the same tension in different opening motions, and the warp breaking is overcome.

3. The invention dynamically controls the warp yarn through the back heald, so that the opening is clear when the warp yarn is twisted, the warp yarn is excessively good, and the warp skipping weaving defect is avoided.

In the use process, the upper beam and the lower beam are used for warping according to the length proportion, and the swinging back beam, the tension sensing component with the multilayer dispersion structure and the plurality of twisting rods are additionally used for semi-mechanically pushing warp yarns, so that each warp yarn realizes the same tension in different opening motions, the generation of warp breaking and warp jumping is overcome, the more complex and difficult-weaving tissue styles such as high-grade raw material leno and the like can be well realized, the on-machine weaving conditions are met, and the product quality is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of another view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a partial schematic view of a transmission assembly according to the present invention;

FIG. 5 is another schematic view of a portion of a transmission assembly according to the present invention;

FIG. 6 is an enlarged view of A in FIG. 1;

FIG. 7 is a schematic view of an eccentric reciprocation mechanism of the present invention;

figure 8 is a schematic view of a leno heald frame according to the invention;

fig. 9 is an enlarged view of B in fig. 8;

fig. 10 is a schematic view of a leno heddle according to the present invention;

FIG. 11 is a schematic view of a warp yarn run using the present invention;

FIG. 12 is a schematic diagram of a product application employing the present invention;

FIG. 13 is a second schematic diagram of a product application using the present invention;

FIG. 14 is a schematic diagram of a tension sensing assembly application employing the present invention;

FIG. 15 is an enlarged view of a portion of a tension sensing assembly embodying the present invention;

FIG. 16 is a schematic illustration of a tension sensing assembly and transmission assembly connection using the present invention;

fig. 17 is a schematic diagram of an experimental product of jumper wire, broken ends, spider web, irregular organization structure and stranded wire twisting failure.

FIG. 18 is a display of a scarf product woven using the present invention;

FIG. 19 is an expanded view of a scarf product woven using the present invention;

fig. 20 is an enlarged schematic view of a partial structure of fig. 19.

In the figure: 1. a main frame; 2. an auxiliary frame; 3. a top beam; 4. a support frame; 5. a lower beam support; 6. swinging the rear beam; 7. an eccentric yarn guide rod; 8. a lower beam; 9. a central shaft; 10. an upper beam support; 11. a loom beam is arranged; 12. a sensing piece bracket; 13. a collar; 14. sensing a first main rod; 15. the second induction main rod; 16. a connecting rod; 17. sensing a first gear lever; 18. a second induction gear lever; 19. a first pull rod; 20. a second pull rod; 21. a third pull rod; 22. a pull rod IV; 23. a tension spring I; 24. a tension spring II; 25. an eccentric reciprocating mechanism; 26. a swinging rod; 27. a swinging plate; 2701. a connection hole; 28. a fixed rod; 29. a first gear; 30. a base shaft; 31. a swinging block; 32. a ratchet wheel; 33. a second gear; 34. a pawl; 35. a tension spring III; 36. a floating rod; 37. a heald frame; 38. a left half heald; 39. right half heald; 40. riding healds; 41. a magnet; 42. a twisted rod; 43. a wooden guide plate; 44. and (5) heald.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

As shown in fig. 1-11, a shuttle loom for spinning cashmere products comprises two main frames 1, wherein an auxiliary frame 2 is fixedly connected to the main frame 1, a top beam 3 is fixedly connected between the two auxiliary frames 2, wooden guide plates 43 are fixedly connected to two sides below the top beam 3, a front heald mechanism is arranged on the front side of each wooden guide plate 43, a supporting frame 4 and a lower beam bracket 5 are respectively and fixedly connected to one side of the main frame 1 from top to bottom, a swinging rear beam 6 is rotatably connected to the two supporting frames 4, steelyard hooks are fixedly connected to two ends of the swinging rear beam 6, eccentric yarn guide rods 7 are placed on the steelyard hooks, a lower beam 8 is rotatably connected to the lower beam bracket 5, ground warps are wound on the lower beam 8, a central shaft 9 is rotatably connected to the lower part of the main frame 1, a rear heald mechanism is arranged on the rear side of each wooden guide plate 43, a tension sensing assembly is connected to the main frame 1 and the auxiliary frame 2, an upper beam bracket 10 is rotatably connected to the upper beam 11, a twisting warp is wound on the upper beam 11, and a transmission assembly is connected between the central shaft 9 and the upper beam 11.

Preferably, as shown in fig. 3, 4 and 11, the tension sensing assembly includes sensing piece brackets 12 respectively connected to the two main frames 1 and the two auxiliary frames 2, two parallel collars 13 are respectively and fixedly connected to the two sensing piece brackets 12 through screws, a first sensing main rod 14 and a second sensing main rod 15 are respectively sleeved on the corresponding left and right collars 13, and a first sensing stop rod 17 and a second sensing stop rod 18 are respectively and fixedly connected to the bottoms of the first sensing main rod 14 and the second sensing main rod 15 through connecting rods 16.

As shown in fig. 11, the warp yarn on the upper beam 11 is divided into two groups, which respectively bypass the first sensing main rod 14, the first sensing shift rod 17, the second sensing main rod 15 and the second sensing shift rod 18, and then respectively passes through the rear heald 44 after bypassing the first warp yarn 42 on the first sensing shift rod 17, and the other group passes through the rear heald 44 after bypassing the second warp yarn 42 on the second sensing shift rod 18, and the first and second warp yarns 42 are connected and bound by a pull rope (not shown in the figure), so that one of the warp yarns 42 is bound on the second sensing main rod 15 by pulling and connecting;

as shown in fig. 6, a first pull rod 19 is fixedly connected to the first sensing main rod 14, a second pull rod 20 and a third pull rod 21 are respectively and fixedly connected to the same end of the first sensing main rod 14 and the second sensing main rod 15, a fourth pull rod 22 is connected to the auxiliary frame 2 close to the second pull rod 20, a first tension spring 23 is connected between the fourth pull rod 22 and the second pull rod 20, and a second tension spring 24 is connected between the fourth pull rod 22 and the third pull rod 21;

in the use process, through using two upper and lower beam of a loom, warping according to length proportion, add the tension sensing subassembly propelling movement warp of swing back beam 6 and multilayer dispersed structure again, then comparatively complicated difficult texture style such as realization high-grade raw materials leno that can be good satisfies at the machine condition of weaving, improves product quality.

Preferably, as shown in fig. 4, the transmission assembly comprises an eccentric reciprocating mechanism 25 connected to the central shaft 9, a swinging rod 26 is fixedly connected to an eccentric ring cover of the eccentric reciprocating mechanism 25, the other end of the swinging rod 26 is rotatably connected with a swinging plate 27, a fixed rod 28 is connected to the inner side of the main frame 1, and the swinging plate 27 is rotatably connected to the fixed rod 28; the upper beam 11 is fixedly connected with a first gear 29 at one end, a base shaft 30 is fixedly connected to an upper beam support 10 close to the first gear 29, as shown in fig. 5, one end of the upper beam 11 is fixedly connected with the first gear 29, the base shaft 30 is fixedly connected to the upper beam support 10 close to the first gear 29, a swinging block 31, a ratchet wheel 32 and a second gear 33 are sequentially and rotatably connected to the base shaft 30, the ratchet wheel 32 is fixedly connected with the second gear 33, a unidirectional gear is connected between the swinging block 31 and the base shaft 30, an inner ring of the unidirectional gear is connected with the ratchet wheel 32, the second gear 33 is meshed with the first gear 29, one side of the swinging block 31 close to the ratchet wheel 32 is rotatably connected with a pawl 34, the pawl 34 is meshed with or far away from the ratchet wheel 32, the other end of the pawl 34 is connected with a first pull rod 19 through a third tension spring 35, one side of the swinging block 31 far away from the ratchet wheel 32 is rotatably connected with a floating rod 36, and the other end of the floating rod 36 is rotatably connected with a swinging plate 27;

in the use process, the central shaft 9 drives the eccentric reciprocating mechanism 25 to enable the swing rod 26 fixedly connected with the eccentric ring cover to do reciprocating motion, the swing rod 26 pulls one end of the swing plate 27 to enable the swing plate 27 to rotate on the fixed rod 28, the other end of the swing plate 27 floats up and down, the swing plate 27 pushes the floating rod 36 to float up and down, the floating rod 36 drives the swing block 31 up and down, and a pawl 34 rotatably connected with the swing block 31 is meshed with the ratchet wheel 32 or is far away from the two states:

the first state is that when the tension spring III 35 is not stressed in a loose state, the pawl 34 is far away from the ratchet wheel 32 and is not meshed with the ratchet wheel 32, at the moment, the swinging block 31 moves upwards to drive the pawl 34 to idle up and down, at the moment, the ratchet wheel 32, the gear II 33 and the gear I29 do not rotate, and the loom beam 11 does not feed a warp;

in the second state, when the tension spring III 35 is in a tensioning state, as shown in fig. 14, when the tension spring III 35 is tensioned to a certain extent by the tension force from the warp, the pawl 34 is meshed with the ratchet wheel 32, the ratchet wheel 32 and the gear II 33 are driven to rotate by the unidirectional gear when the swinging block 31 is upwards (the ratchet wheel 32 and the gear II 33 do not rotate when the swinging block 31 is downwards due to the action of the unidirectional gear), and the gear II 33 drives the gear I29 to rotate, so that the upper loom beam 11 rotates to feed the warp; after the upper beam 11 rotates and feeds, the first sensing baffle rod 17 and the second sensing baffle rod 18 reset three tension springs to restore together, and the first state is restored, so that the normal weaving of the leno weave can be ensured by the reciprocating motion.

The stress of the tension spring III 35 mainly comes from the tension of the warp, as shown in fig. 6, 11, 13 and 14, when the two groups of warp are stressed, the induction stop lever I17 and the induction stop lever II 18 are pulled to incline in the backward heald direction, at the moment, the induction main lever I14 drives the tension rod I19 and the tension rod II 20 to rotate so as to stretch the tension spring III 35 and the tension spring I23, and the induction main lever II 15 drives the tension rod III 21 to rotate so as to stretch the tension spring II 24, wherein after the tension spring III 35 is stressed and stretched, the pawl 34 is meshed with the ratchet wheel 32, at the moment, the swinging block 31 drives the ratchet wheel 32 and the gear II 33 to rotate through the unidirectional gear (when the swinging block 31 is downward due to the action of the unidirectional gear, the ratchet wheel 32 and the gear II 33 do not rotate), and the gear II 33 drives the gear I29 to rotate so as to drive the upper loom beam 11 to rotate to feed the warp; after the beam 11 rotates to feed the warp, the tension spring III 35 is not stressed in a loose state, the pawl 34 is far away from the ratchet wheel 32 and is not meshed with the ratchet wheel 32, at the moment, the pawl 34 is driven to idle up and down when the swinging block 31 moves upwards, at the moment, the ratchet wheel 32, the gear II 33 and the gear I29 do not rotate, and the beam 11 does not feed the warp; after the upper beam 11 rotates and feeds, the three tension springs of the first sensing gear lever 17 and the second sensing gear lever 18 are reset to restore together,

as known from the above description, whether the warp is pushed by the beam 11 is determined according to the transmission tension of the warp, that is, the push of the warp is controlled by the cooperation of the tension sensing assembly and the transmission assembly, and the push mode of the warp can avoid the problem of breakage caused by overlarge force of the warp in the leno weave weaving process.

Preferably, the front heald mechanism comprises a plurality of groups of leno heald frames, and the rear heald mechanism comprises a wire heald frame; the warp yarn is dynamically controlled through the back heald in the use process, so that the warp yarn is clear in opening and excessively good when being twisted, the warp skipping weaving defects are overcome, the relatively complex and difficult-to-weave style such as high-grade raw material leno is realized through the front heald, the on-machine weaving conditions are met, and the product quality is improved.

Preferably, the elastic force of the tension spring one 23, the tension spring two 24 and the tension spring three 35 is selected to be 150N after detecting the maximum tensile strength of the cashmere yarn knitting yarn.

Preferably, a plurality of connection holes 2701 are formed at one end of the swing plate 27 rotatably connected to the floating rod 36; in the use process, the upward floating distance of the floating rod 36 is adjusted by replacing the connecting hole 2701 in the rotating connection, and the larger the upward distance of the floating rod 36 is in a certain range, the larger the rotating radian of the swinging block 31 is, so that the swinging block 31 rotates with the ratchet wheel 32 and the gear II 33, the gear II 33 drives the gear I29, the gear I29 drives the upper beam 11 to rotate, and the upper beam 11 rotates to feed the twisting warp.

Preferably, the second sensing lever 18 is located above the first sensing lever 17; orderly separating the twisting threads in the use process to avoid bonding and winding.

Preferably, the leno heald frame comprises a heald frame 37, a left half heald 38, a right half heald 39 and a riding heald 40, wherein the lower parts of the left half heald 38 and the right half heald 39 are respectively provided with a chute, the two sides of the bottom of the chute are provided with magnets 41, two inserting sheets at the bottom of the riding heald 40 are respectively inserted into the chutes of the left half heald 38 and the right half heald 39, and the bottoms of the inserting sheets are adsorbed on the magnets 41; the magnet 41 allows the ferrous riding heald 40 to be automatically reset during use.

Preferably, the tension sensing assembly further comprises a plurality of twisting rods 42, and the twisting rods 42 are respectively fastened on the first sensing main rod 14, the second sensing main rod 15 and the swinging rear beam 6 through pull ropes; in the use process, the ground warp on the lower beam 8 is divided into two groups by bypassing the eccentric yarn guide rod 7, and the ground warp crosses by bypassing the third twisted rod 42 and then crosses by bypassing the fourth twisted rod 42 and then passes through the back heald, wherein the third twisted rod 42 and the fourth twisted rod 42 are connected and bound through a pull rope, one twisted rod 42 is connected and bound on the swinging back beam 6 through the pull rope, the main function of the twisted rods is to orderly and separately warp and twist to avoid bonding and winding, the back weaving port is shortened to be as close as possible to the front weaving port, and the equal tension shrinkage port is achieved.

Preferably, the elastic force of the tension spring one 23, the tension spring two 24 and the tension spring three 35 is 150N.

The working principle and the using method are as follows: the lower beam 8 and the upper beam 11 wound with the ground warp and the hank warp are respectively arranged on the lower beam bracket 5 and the upper beam bracket 10, then the ground warp on the lower beam 8 is divided into two groups by the eccentric yarn guiding rod 7, and is crossed by the third hank rod 42 and then is crossed by the fourth hank rod 42, and then the ground warp on the lower beam 8 is crossed by the fourth hank rod 42Ground warp b of (2) ₁ The first wire harness which passes through the rear harness passes through the wire harness and then passes between the left half harness 38 and the right half harness 39, and then is led to the buckling seat; then the warp yarn on the upper beam 11 is divided into two groups which respectively bypass the first sensing main rod 14, the first sensing baffle rod 17, the second sensing main rod 15 and the second sensing baffle rod 18, the first sensing baffle rod 17 is divided into two groups which respectively bypass the first warp yarn 42 in a crossing way, the second warp yarn a is divided into two groups which respectively bypass the second warp yarn 42 in a crossing way after passing through the rear heald and the second warp yarn in the second warp yarn ₁ The second wire heald passing through the back heald passes through the wire heald and then passes into the heald eye penetrating into the riding heald 40, and then is led to the buckling seat, and the skein and other yarns of the ground warp sequentially pass through the wire heald and then mutually form a group of skeins in the leno heald to complete weaving in cooperation with the tail wire.

The working principle of the parts of the shuttle loom which are the same as those of the 1515 4301br shuttle loom is conventional means or common knowledge, and will not be described herein, and those skilled in the art can perform any choice according to the needs or convenience.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a shuttle loom for cashmere product weaving, includes two main frame (1), fixedly connected with auxiliary frame (2) on main frame (1), two fixedly connected with back timber (3) between auxiliary frame (2), back timber (3) below both sides fixedly connected with wooden baffle (43), wooden baffle (43) front side is equipped with front heald mechanism, main frame (1) one side is from last fixedly connected with support frame (4) and lower beam of a loom support (5) down respectively, two rotate on support frame (4) and be connected with swing back beam (6), swing back beam (6) both ends fixedly connected with steelyard hook, eccentric yarn guide (7) have been placed on the steelyard hook, rotate on lower beam of a loom support (5) and be connected with lower beam of a loom (8), main frame (1) lower part still rotates and is connected with center pin (9), its characterized in that: the wooden baffle (43) rear side is equipped with back heald mechanism, be connected with tension sensing subassembly on main frame (1) and auxiliary frame (2), be connected with beam of a loom support (10) on auxiliary frame (2), it is connected with beam of a loom (11) to go up the rotation on beam of a loom support (10), be connected with drive assembly between center pin (9) and the last beam of a loom (11).

2. A loom for use in the weaving of cashmere products according to claim 1, characterized in that: the tension sensing assembly comprises sensing piece supports (12) which are respectively connected to two main frames (1) and two auxiliary frames (2), two side-by-side two lantern rings (13) are respectively and fixedly connected to the sensing piece supports (12) through screws, a first sensing main rod (14) and a second sensing main rod (15) are respectively sleeved on the left and right corresponding lantern rings (13), a first sensing blocking rod (17) and a second sensing blocking rod (18) are respectively and fixedly connected to the bottoms of the first sensing main rod (14) and the second sensing main rod (15) through connecting rods (16), a first pull rod (19) is fixedly connected to the first sensing main rod (14), a second pull rod (20) and a third pull rod (21) are respectively and fixedly connected to the same ends of the first sensing main rod (14) and the second sensing main rod (15), a fourth pull rod (22) is connected to the auxiliary frame (2) close to the second pull rod (20), and a first tension spring (23) is connected between the fourth pull rod (22) and the second pull rod (20), and a second tension spring (24) is connected between the fourth pull rod (22) and the third pull rod (21).

3. A loom for use in the weaving of cashmere products according to claim 2, characterized in that: the transmission assembly comprises an eccentric reciprocating mechanism (25) connected to a central shaft (9), a swinging rod (26) is fixedly connected to an eccentric ring cover of the eccentric reciprocating mechanism (25), the other end of the swinging rod (26) is rotationally connected with a swinging plate (27), the inner side of the main frame (1) is connected with a fixed rod (28), and the swinging plate (27) is rotationally connected to the fixed rod (28); the upper loom beam (11) one end fixedly connected with gear one (29), be close to fixedly connected with basic shaft (30) on last loom beam support (10) of gear one (29), be connected with swing piece (31), ratchet (32) and gear two (33) on basic shaft (30) in proper order, ratchet (32) and gear two (33) fixed connection, gear two (33) and gear one (29) mesh mutually, one side that swing piece (31) is close to ratchet (32) rotates and is connected with pawl (34), pawl (34) meshes or keeps away from with ratchet (32), the other end of pawl (34) is connected with pull rod one (19) through extension spring three (35), one side that ratchet (32) was kept away from to swing piece (31) rotates and is connected with floating rod (36), the other end of floating rod (36) rotates with swing board (27).

4. A loom for use in the weaving of cashmere products according to claim 1, characterized in that: the front heald mechanism comprises a plurality of groups of leno heald frames, and the rear heald mechanism comprises a steel wire heald frame.

5. A loom for use in the weaving of cashmere products according to claim 3, characterized in that: the elastic force of the tension spring I (23), the tension spring II (24) and the tension spring III (35) is 130N-180N.

6. A loom for use in the weaving of cashmere products according to claim 3, characterized in that: a plurality of connecting holes (2701) are formed in one end of the swing plate (27) which is rotationally connected with the floating rod (36).

7. A loom for use in the weaving of cashmere products according to claim 2, characterized in that: the second induction blocking rod (18) is positioned above the first induction blocking rod (17).

8. A loom for use in the weaving of cashmere products according to claim 4, characterized in that: the leno heald frame comprises a heald frame (37), a left half heald (38), a right half heald (39) and a riding heald (40), sliding grooves are formed in the lower portions of the left half heald (38) and the right half heald (39), magnets (41) are arranged on two sides of the bottom of the sliding grooves, two inserting sheets at the bottom of the riding heald (40) are respectively inserted into the sliding grooves of the left half heald (38) and the right half heald (39), and the bottoms of the inserting sheets are adsorbed on the magnets (41).

9. A loom for use in the weaving of cashmere products according to claim 3, characterized in that: the tension sensing assembly is further provided with a plurality of twisting rods (42), and the twisting rods (42) are respectively fastened on the first sensing main rod (14), the second sensing main rod (15) and the swinging rear beam (6) through pull ropes.

10. A loom for use in the weaving of cashmere products according to claim 5, characterized in that: the elastic force of the tension spring I (23), the tension spring II (24) and the tension spring III (35) is 150N.