CN219059278U

CN219059278U - Tension roller supporting device for rapier loom

Info

Publication number: CN219059278U
Application number: CN202320166057.3U
Authority: CN
Inventors: 张国权; 仇建缨; 张匡宇
Original assignee: Wujiang Tongxin Silk Weaving Co ltd
Current assignee: Wujiang Tongxin Silk Weaving Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-05-23
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of auxiliary equipment of rapier looms, in particular to a tension roller supporting device for a rapier loom. The technical proposal comprises: the device comprises a first supporting plate and a second supporting plate, wherein a second connecting plate and a first connecting plate are respectively arranged at the front end and the rear end of one side outer wall of the first supporting plate, a rotating shaft is arranged between the first connecting plate and the second connecting plate, a first moving plate is arranged on the outer wall of the rotating shaft, a third connecting plate is arranged at the front end and the rear end of one side outer wall of the second supporting plate, a guide rod is arranged between every two adjacent third connecting plates, and a second moving plate is arranged on the outer wall of the guide rod. The utility model is convenient for adjusting the tension of the tension adjusting roller caused by the weft yarn guided and conveyed, and can play a certain role in protecting the weft yarn when adjusting the tension of the weft yarn, thereby avoiding the occurrence of the condition that the weft yarn is broken due to the instant increase of the tension of the weft yarn, and having strong practicability.

Description

Tension roller supporting device for rapier loom

Technical Field

The utility model relates to the technical field of auxiliary equipment of rapier looms, in particular to a tension roller supporting device for a rapier loom.

Background

The rapier loom is the most widely used shuttleless loom at present, has the characteristics of high speed, high automation degree and high efficiency production of the shuttleless loom, has strong variety adaptability in the positive weft insertion mode, can adapt to weft insertion of various yarns, has obvious advantages in multicolor weft weaving, and can produce yarn-dyed products with up to 16 color weft yarns. As shuttleless looms are replaced with shuttle looms, rapier looms will become the main production model for woven fabrics.

Through retrieval, patent publication number CN210975026U discloses a tension adjusting device of a rapier loom, which comprises two support plates arranged in parallel, wherein a conveying mechanism is rotatably connected between the two support plates through bearings, and the two support plates positioned in the middle positions of the two conveying mechanisms are provided with a tension adjusting mechanism, so that the tension adjusting device has the following beneficial effects: when the sliding block is used, the spring pushes the sliding block to move in the sliding groove, the connecting block and the roller are driven to move in the sliding groove when the sliding block moves, the roller moves on the bottom of the sliding groove to support the sliding block and the second conveying roller, friction force when the sliding block moves is reduced, and meanwhile the sliding block drives the second conveying roller to move forward to the position, which is opposite to the cloth, of cloth conveyed between the two first conveying rollers.

When the tension of the transported weft yarn is adjusted in actual use, the tension roller supporting device for the rapier loom is easy to cause the weft yarn to break when the tension adjusted by the weft yarn is excessively large in the moment.

Disclosure of Invention

The utility model aims to provide a tension roller supporting device for a rapier loom, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a be used for rapier loom tension roller strutting arrangement, includes first backup pad and second backup pad, second connecting plate and first connecting plate are installed respectively to one side outer wall front end and the rear end of first backup pad, install the pivot between first connecting plate and the second connecting plate, install first movable plate on the outer wall of pivot, one side outer wall front end and the rear end of second backup pad all install the third connecting plate, install the guide bar between the second double-phase adjacent of third connecting plate, install the second movable plate on the outer wall of guide bar, all install buffer gear on one side outer wall of first movable plate and second movable plate, buffer gear includes mounting panel, bearing frame, buffer plate, fourth connecting plate, limiting plate, spacing post, spring, fifth connecting plate, telescopic cylinder, second through-hole, second screw hole and third through-hole, the buffer plate passes through telescopic cylinder and is connected with the fourth connecting plate, one side outer wall of fifth connecting plate is through being connected with the bearing frame, the second connecting shaft is installed at the second both ends on the outer wall of second connecting plate, tension adjustment roller is installed to the second connecting shaft.

Through the cooperation setting of a series of structures such as gear motor, driving pulley, driven pulley, pivot, first movable plate, second movable plate, guide bar, the staff needs to adjust when the weft yarn that carries out tension adjustment, the staff starts gear motor, gear motor starts and can indirect drive the pivot and carry out corotation or reversal, because of being threaded engagement connects between the external screw thread on the pivot outer wall and the first screw hole on the first movable plate, can make first movable plate do forward or backward rectilinear motion on the outer wall of pivot when the pivot carries out corotation or reversal, first movable plate is forward or backward rectilinear motion on the outer wall of pivot so as to indirectly drive tension regulating roller and carry out forward or backward rectilinear motion, tension regulating roller carries out forward or backward rectilinear motion so as to adjust the tension of weft yarn, thereby the utility model is convenient for the staff to adjust the tension of weft yarn, through buffer gear's setting, when tension regulating the weft yarn is too big, buffer gear can play the effect on weft yarn buffering this moment, the weft yarn tension is adjusted to the weft yarn and the tension is reduced and the yarn is broken in the moment when the yarn tension is adjusted, the yarn tension is adjusted and the yarn is prevented from taking place the circumstances that the weft yarn is broken in the moment.

Preferably, one end of the rotating shaft is installed in a bearing on the surface of the second connecting plate, the other end of the rotating shaft penetrates through the bearing on the surface of the first connecting plate to be connected with a driven belt pulley, the driven belt pulley is connected with a driving belt pulley through a driving belt, the driving belt pulley is installed on an output shaft of a gear motor, and the gear motor is installed at the rear end of the outer wall of the other side of the first supporting plate.

Preferably, the terminal surface of buffer board has been seted up the second through-hole, install spacing post in the second through-hole, the both ends of spacing post all pass the third through-hole on the fourth connecting plate outer wall and are connected with the limiting plate, the outer cover of the outer wall of spacing post is equipped with the spring, and the spring is located between fourth connecting plate and the buffer board.

Preferably, the end face of the first moving plate is provided with a first threaded hole, the outer wall of the rotating shaft is provided with external threads, and the external threads on the outer wall of the rotating shaft are in threaded engagement connection with the first threaded hole on the first moving plate.

Preferably, the end face of the second moving plate is provided with a first through hole, and the outer wall of the guide rod is in clearance connection with the hole wall of the first through hole.

Preferably, external threads are arranged on the outer walls of the two ends of the limiting column, a second threaded hole is formed in the surface of the limiting plate, the external threads on the outer wall of the limiting column are in threaded engagement connection with the second threaded hole on the limiting plate, and the outer wall of the limiting column is in clearance connection with the hole walls of the second through hole and the third through hole.

Preferably, the bottom of first backup pad and second backup pad all installs the fixed plate, the fixed orifices has been seted up on the surface of fixed plate.

Preferably, guide rollers are arranged above and below the first support plate and the second support plate, the first connecting shafts are arranged at two ends of each guide roller, and the other ends of the first connecting shafts at two ends of each guide roller are respectively arranged in bearings on the outer walls of the first support plate and the second support plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the cooperation of a series of structures such as the gear motor, the driving belt pulley, the driven belt pulley, the rotating shaft, the first moving plate, the second moving plate, the guide rod and the like, when a worker needs to adjust the weft yarn conveyed to the machine, the worker starts the gear motor, the gear motor is started to indirectly drive the rotating shaft to rotate forward or reversely, and the external threads on the outer wall of the rotating shaft are in threaded engagement connection with the first threaded holes on the first moving plate, so that the first moving plate can make forward or backward linear movement on the outer wall of the rotating shaft when the rotating shaft rotates forward or reversely, and the first moving plate can make forward or backward linear movement on the outer wall of the rotating shaft, so that the tension adjusting roller can be indirectly driven to make forward or backward linear movement, and the tension adjusting roller makes forward or backward linear movement, so that the tension of the weft yarn can be adjusted, and the machine is convenient for the worker to adjust the tension of the weft yarn.

2. According to the utility model, through the arrangement of the buffer mechanism, when the tension of the weft yarn is regulated by the tension regulating roller, the buffer mechanism can play a role in buffering the weft yarn at the moment when the tension regulated by the weft yarn is excessively large, so that acting force applied to the weft yarn is reduced, and therefore, the tension regulating mechanism can play a role in protecting the weft yarn to a certain extent when the tension of the weft yarn is regulated, and the situation that the weft yarn is broken due to the fact that the tension of the weft yarn is instantaneously increased is avoided, so that the tension regulating mechanism is high in practicability.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

FIG. 3 is a schematic view of a buffer mechanism according to the present utility model;

fig. 4 is a cross-sectional view of the cushioning mechanism of the present utility model.

In the figure: 1. a rotating shaft; 2. an external thread; 3. a first threaded hole; 4. a first moving plate; 5. a buffer mechanism; 501. a mounting plate; 502. a bearing seat; 503. a buffer plate; 504. a fourth connecting plate; 505. a limiting plate; 506. a limit column; 507. a spring; 508. a fifth connecting plate; 509. a telescopic oil cylinder; 510. a second through hole; 511. a second threaded hole; 512. a third through hole; 6. a first connection plate; 7. a drive belt; 8. a driven pulley; 9. a second connecting plate; 10. a first support plate; 11. a guide roller; 12. a tension adjusting roller; 13. a first connecting shaft; 14. a second support plate; 15. a fixing plate; 16. a fixing hole; 17. a second connecting shaft; 18. a second moving plate; 19. a first through hole; 20. a guide rod; 21. a third connecting plate; 22. a driving pulley; 23. a gear motor.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-4, the tension roller supporting device for a rapier loom provided by the utility model comprises a first supporting plate 10 and a second supporting plate 14, wherein a second connecting plate 9 and a first connecting plate 6 are respectively arranged at the front end and the rear end of one side outer wall of the first supporting plate 10, a rotating shaft 1 is arranged between the first connecting plate 6 and the second connecting plate 9, a first moving plate 4 is arranged on the outer wall of the rotating shaft 1, a third connecting plate 21 is arranged at the front end and the rear end of one side outer wall of the second supporting plate 14, a guide rod 20 is arranged between every two adjacent third connecting plates 21, a second moving plate 18 is arranged on the outer wall of the guide rod 20, a buffer mechanism 5 is arranged on one side outer wall of each of the first moving plate 4 and the second moving plate 18, the buffer mechanism 5 comprises a mounting plate 501, a bearing seat 502, a buffer plate 503, a fourth connecting plate 504, a limiting plate 505, a limiting post 506, a spring 507, a fifth connecting plate 508, a telescopic cylinder 509, a second through hole 510, a second threaded hole 511 and a third through hole 512, the buffer plate 503 is connected with the fourth connecting plate 504, a second connecting plate 509 is arranged on one side outer wall of the fifth connecting plate 21, a second connecting plate 9 is arranged on one side of the outer wall of the fifth connecting plate 21, a second connecting plate is connected with the second connecting plate 17 through the bearing seat 17, and two ends of the second connecting plate 17 are connected with the second connecting plate 17 through the second connecting plate 17.

The working principle of the tension roller supporting device for the rapier loom based on the first embodiment is as follows: when the weft yarn tension adjusting device is used, an external power supply is connected, when a worker needs to adjust the tension of a weft yarn to be conveyed, the worker starts the gear motor 23, the gear motor 23 is started to indirectly drive the rotating shaft 1 to rotate forwards or reversely, and because the external threads 2 on the outer wall of the rotating shaft 1 are in threaded engagement with the first threaded holes 3 on the first movable plate 4, the rotating shaft 1 can make the first movable plate 4 do forward or backward linear motion on the outer wall of the rotating shaft 1 when rotating forwards or reversely, the first movable plate 4 does forward or backward linear motion on the outer wall of the rotating shaft 1, so that the tension adjusting roller 12 can indirectly drive the tension adjusting roller 12 to do forward or backward linear motion, and the tension adjusting roller 12 can adjust the tension of weft yarns.

Example two

As shown in fig. 1-4, the tension roller supporting device for a rapier loom according to the present utility model further includes: one end of the rotating shaft 1 is arranged in a bearing on the surface of the second connecting plate 9, the other end of the rotating shaft 1 passes through the bearing on the surface of the first connecting plate 6 and is connected with the driven pulley 8, the driven pulley 8 is connected with the driving pulley 22 through the driving belt 7, the driving pulley 22 is arranged on an output shaft of the gear motor 23, the gear motor 23 is arranged at the rear end of the outer wall of the other side of the first supporting plate 10, a second through hole 510 is arranged on the end surface of the buffer plate 503, a limit post 506 is arranged in the second through hole 510, both ends of the limit post 506 pass through a third through hole 512 on the outer wall of the fourth connecting plate 504 and are connected with the limit plate 505, a spring 507 is sleeved outside the outer wall of the limit post 506 and is positioned between the fourth connecting plate 504 and the buffer plate 503, a first threaded hole 3 is arranged on the end surface of the first moving plate 4, an external thread 2 is arranged on the outer wall of the rotating shaft 1, the external thread 2 on the outer wall of the rotating shaft 1 is in threaded engagement connection with the first threaded hole 3 on the first moving plate 4, the end face of the second moving plate 18 is provided with a first through hole 19, the outer wall of the guide rod 20 is in clearance connection with the hole wall of the first through hole 19, the outer walls of the two ends of the limiting column 506 are respectively provided with the external thread 2, the surface of the limiting plate 505 is provided with a second threaded hole 511, the external thread 2 on the outer wall of the limiting column 506 is in threaded engagement connection with the second threaded hole 511 on the limiting plate 505, the outer wall of the limiting column 506 is in clearance connection with the hole wall of the second through hole 510 and the hole wall of the third through hole 512, the bottom ends of the first supporting plate 10 and the second supporting plate 14 are respectively provided with a fixed plate 15, the surface of the fixed plate 15 is provided with a fixed hole 16, the upper part and the lower part between the first supporting plate 10 and the second supporting plate 14 are respectively provided with a guide roller 11, the two ends of the guide roller 11 are respectively provided with a first connecting shaft 13, the other ends of the first connecting shafts 13 on both ends of the guide roller 11 are respectively mounted in bearings on the outer walls of the first support plate 10 and the second support plate 14.

In this embodiment, since the end surface of the second moving plate 18 is provided with the first through hole 19, the outer wall of the guide rod 20 is in gap connection with the hole wall of the first through hole 19, so that the movement of the first moving plate 4 can be limited and guided, the situation that the first moving plate 4 rotates along with the rotation of the rotating shaft 1 is avoided, and the fixing plate 15 and the fixing hole 16 are matched, so that the utility model is convenient for a worker to install and fix.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. Tension roller supporting device for rapier loom, comprising a first supporting plate (10) and a second supporting plate (14), characterized in that: the front end and the rear end of one side outer wall of the first supporting plate (10) are respectively provided with a second connecting plate (9) and a first connecting plate (6), a rotating shaft (1) is arranged between the first connecting plate (6) and the second connecting plate (9), a first moving plate (4) is arranged on the outer wall of the rotating shaft (1), a third connecting plate (21) is arranged at the front end and the rear end of one side outer wall of the second supporting plate (14), a guide rod (20) is arranged between every two adjacent third connecting plates (21), a second moving plate (18) is arranged on the outer wall of the guide rod (20), a buffer mechanism (5) is arranged on one side outer wall of the first moving plate (4) and one side outer wall of the second moving plate (18), the buffer mechanism (5) comprises a mounting plate (501), a bearing seat (502), a buffer plate (503), a fourth connecting plate (504), a limiting plate (505), a limiting column (506), a spring (508), a telescopic cylinder (509), a second through hole (511) and a third threaded hole (511) are respectively arranged on the outer wall of the third connecting plate (504) through the fourth connecting plate (503), one side outer wall of the buffer plate (503) is connected with a bearing seat (502) through a mounting plate (501), a second connecting shaft (17) is arranged in the bearing seat (502), and the second connecting shaft (17) is arranged on the outer walls at two ends of the tension adjusting roller (12).

2. A tension roller support device for a rapier loom as claimed in claim 1, wherein: one end of the rotating shaft (1) is installed in a bearing on the surface of the second connecting plate (9), the other end of the rotating shaft (1) penetrates through a bearing on the surface of the first connecting plate (6) to be connected with the driven belt pulley (8), the driven belt pulley (8) is connected with the driving belt pulley (22) through the driving belt (7), the driving belt pulley (22) is installed on an output shaft of the gear motor (23), and the gear motor (23) is installed at the rear end of the outer wall of the other side of the first supporting plate (10).

3. A tension roller support device for a rapier loom as claimed in claim 1, wherein: the terminal surface of buffer board (503) has seted up second through-hole (510), install spacing post (506) in second through-hole (510), third through-hole (512) and limiting plate (505) on spacing post (506) both ends all pass fourth connecting plate (504) outer wall are connected, the outer wall outside cover of spacing post (506) is equipped with spring (507), and spring (507) are located between fourth connecting plate (504) and buffer board (503).

4. A tension roller support device for a rapier loom as claimed in claim 1, wherein: the end face of the first movable plate (4) is provided with a first threaded hole (3), the outer wall of the rotating shaft (1) is provided with external threads (2), and the external threads (2) on the outer wall of the rotating shaft (1) are in threaded engagement connection with the first threaded hole (3) on the first movable plate (4).

5. A tension roller support device for a rapier loom as claimed in claim 1, wherein: the end face of the second movable plate (18) is provided with a first through hole (19), and the outer wall of the guide rod (20) is in clearance connection with the hole wall of the first through hole (19).

6. A tension roller support device for a rapier loom as claimed in claim 1, wherein: external threads (2) are arranged on the outer walls of the two ends of the limiting post (506), second threaded holes (511) are formed in the surface of the limiting plate (505), the external threads (2) on the outer wall of the limiting post (506) are in threaded engagement connection with the second threaded holes (511) on the limiting plate (505), and the outer wall of the limiting post (506) is in clearance connection with the second through holes (510) and the hole walls of the third through holes (512).

7. A tension roller support device for a rapier loom as claimed in claim 1, wherein: the bottom ends of the first supporting plate (10) and the second supporting plate (14) are respectively provided with a fixing plate (15), and fixing holes (16) are formed in the surface of the fixing plate (15).

8. A tension roller support device for a rapier loom as claimed in claim 1, wherein: the guide roller (11) is arranged above and below the first support plate (10) and the second support plate (14), the first connecting shafts (13) are arranged at two ends of the guide roller (11), and the other ends of the first connecting shafts (13) arranged at two ends of the guide roller (11) are respectively arranged in bearings arranged on the outer walls of the first support plate (10) and the second support plate (14).