Tension adjusting device of air jet loom

Abstract

The utility model relates to the technical field of textile machinery, and discloses an air jet loom tension adjusting device which comprises a supporting back plate, and one side of the supporting back plate is fixedly connected with an adjusting machine box. The tensioning device has the following advantages and effects that through the arrangement of the adjusting case, the band-type brake motor, the driving assembly, the left moving seat, the left tensioning roller, the right moving seat and the right tensioning roller, the height adjusting effect on the left tensioning roller and the right tensioning roller is achieved; when the band-type brake motor works, the left tensioning roller and the right tensioning roller can be driven to move oppositely or oppositely in the vertical direction through cooperation of forward rotation and reverse rotation and the driving assembly, the tension adjusting effect on yarn is achieved, the tension adjusting range is large, and compared with a single tensioning roller, the left tensioning roller and the right tensioning roller which move at the same time are not prone to falling off. And the tension adjusting range is two times of the tension adjusting range, so that the applicability of the device is enhanced, and the characteristics of strong applicability and application range of the device are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to textile machinery technical field, especially a kind of air-jet loom tension adjusting device. BACKGROUND

[0002] Air-jet loom is a kind of shuttleless loom using jet airflow to drag weft yarn across shed. Its working principle is to use the high-speed airflow generated by compressed air to drag weft yarn across shed through nozzle, to complete weft insertion action.

[0003] Chinese patent publication number (CN217201387U) discloses a new type of air-jet loom yarn tension adjusting device for spinning, which includes two groups of fixed plates, a sliding groove is formed in the side wall of each group of fixed plates, a top plate is fixedly arranged on the upper end of the side wall of one group of fixed plates, a bottom plate is fixedly arranged on the lower end of the side wall of one group of fixed plates, a screw rod is rotatably connected to the bottom end of the top plate, the lower end of the screw rod is rotatably connected to the bottom plate, the bottom end of the screw rod penetrates through the bottom plate and is fixedly connected to a driven gear, a motor is fixedly arranged on one side of the bottom plate, the output end of the motor is fixedly connected to a driving gear, a screw sleeve is slidably sleeved on the rod body of the screw rod, a first thread roller is rotatably arranged between the two groups of fixed plates, a protective shell is hingedly connected to the side wall of one group of fixed plates, and an observation window is fixedly arranged on the side wall of the protective shell. The utility model discloses a new type of air-jet loom yarn tension adjusting device, which is easy to operate and has good dustproof effect.

[0004] However, the above-mentioned utility model still has the following problems: in the above-mentioned utility model, the tension of the yarn is adjusted by a thread roller that can be adjusted up and down. Although it can adjust the tension to a certain extent, relying on only one adjusting roller will limit the adjusting range, and it is difficult to tighten the yarn with high looseness, resulting in poor applicability. Therefore, it needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an air-jet loom tension adjusting device with strong applicability.

[0006] The technical purpose is achieved by the following technical scheme: a tension adjusting device of an air jet loom, comprising a supporting back plate, a regulating machine box is fixedly connected to one side of the supporting back plate, a holding brake motor is fixedly connected to the top of the regulating machine box, a driving assembly is arranged in the regulating machine box, a left moving seat is arranged on the outer surface of the supporting back plate, a left roller body seat is fixedly connected to the outer surface of the left moving seat, a left roller body support is arranged on the top of the left roller body seat, a left tensioning roller is rotatably connected to the inner side of the left roller body support, a right moving seat is arranged on the outer surface of the supporting back plate, a right roller body seat is fixedly connected to the outer surface of the right moving seat, a right roller body support is arranged on the bottom of the right roller body seat, and a right tensioning roller is rotatably connected to the inner side of the right roller body support.

[0007] By adopting the above technical scheme, the device is used, the holding brake motor works to drive the driving gear in the driving assembly in the regulating machine box to rotate, the driving gear, the left gear, the right gear, the forward lead screw, the forward lead screw sliding table, the left limiting rod, the reverse lead screw, the reverse lead screw sliding table, and the right limiting rod are in transmission cooperation, the left moving seat is driven to move upward and the right moving seat is driven to move downward, that is, the left tensioning roller and the right tensioning roller are driven to move in opposite directions in the vertical direction, the design realizes the height adjustment of the left tensioning roller and the right tensioning roller, the holding brake motor works to drive the left tensioning roller and the right tensioning roller to move in opposite directions or in the same direction through forward and reverse rotation and the cooperation of the driving assembly, that is, the tension adjustment of the yarn is realized, the tension adjustment range is large, the left tensioning roller and the right tensioning roller move simultaneously, the tension adjustment range of the left tensioning roller and the right tensioning roller is twice that of a single tensioning roller, the applicability of the device is enhanced, and the device has the characteristics of high applicability and wide application range.

[0008] The driving assembly comprises a driving gear, a left gear and a right gear, the driving gear is fixedly connected with the holding brake motor, and the left gear and the right gear are engaged with the driving gear.

[0009] By adopting the above technical scheme, the driving gear, the left gear and the right gear are arranged, the holding brake motor can drive the driving gear to rotate when working, the left gear and the right gear are driven to rotate, and then the forward lead screw and the reverse lead screw are driven to rotate, respectively.

[0010] The inner wall of the left gear is inserted with the forward lead screw, the outer wall of the forward lead screw is threadedly connected with the forward lead screw sliding table, the outer surface of the forward lead screw sliding table is fixedly connected with the left limiting rod, and the left limiting rod is fixedly connected with the left moving seat.

[0011] By adopting the technical scheme, the forward screw drives the forward screw sliding table to move when rotating, and then drives the left moving seat to move synchronously through the left limiting rod.

[0012] The utility model discloses further provide as: the inner wall of right gear is inserted with reverse screw, the outer wall of reverse screw is connected with reverse screw sliding table through screw thread, the outer surface of reverse screw sliding table is fixedly connected with right limiting rod, right limiting rod is fixedly connected with right moving seat.

[0013] By adopting the technical scheme, the reverse screw drives the reverse screw sliding table to move when rotating, and then drives the right moving seat to move synchronously through the right limiting rod.

[0014] The utility model discloses further provide as: the inner bottom wall fixed connection of adjusting machine case has support plate, both sides of support plate are all fixedly connected with slide rail, the outer surface of slide rail is connected with sliding seat, one side of sliding seat is fixedly connected with connecting rod, the quantity of connecting rod is two, two connecting rod are fixedly connected with forward screw sliding table and reverse screw sliding table respectively.

[0015] By adopting the technical scheme, through setting support plate, slide rail, sliding seat and connecting rod, the stability of forward screw sliding table and reverse screw sliding table during moving adjustment can be effectively improved.

[0016] The utility model discloses further provide as: the inner wall fixed connection of adjusting machine case has left bearing seat, left bearing seat is connected with forward screw rotation, the inner wall fixed connection of adjusting machine case has right bearing seat, right bearing seat is connected with reverse screw rotation.

[0017] By adopting the technical scheme, through setting left bearing seat and right bearing seat, the support and fixed role of forward screw and reverse screw are played respectively.

[0018] The utility model discloses further provide as: the outer surface of support backboard is set with left limiting groove, left limiting rod and left limiting groove sliding connection, the outer surface of support backboard is set with right limiting groove, right limiting rod and right limiting groove sliding connection.

[0019] By adopting the technical scheme, through setting left limiting groove and right limiting groove, the limiting role of left moving seat and right moving seat moving range is played respectively.

[0020] The utility model discloses further provide as: the lower surface fixed connection of support backboard has installation base, the upper surface of installation base is set with mounting hole.

[0021] By adopting the technical scheme, through setting installation base and mounting hole, the device is convenient for staff to install with air jet loom butt joint.

[0022] The outer surface of the supporting back plate is rotatably connected with an inlet guide roller, the inlet guide roller is located at the left side of the left tension roller, the outer surface of the supporting back plate is rotatably connected with an outlet guide roller, and the outlet guide roller is located at the right side of the right tension roller.

[0023] By adopting the above technical scheme, the inlet guide roller and the outlet guide roller are arranged to respectively play the guiding roles of the yarn feeding and discharging.

[0024] The inner bottom wall of the left roller body seat is fixedly connected with a left limiting spring, the top of the left limiting spring is fixedly connected with a left limiting plate, the left limiting plate is fixedly connected with the left roller body support, the inner bottom wall of the right roller body seat is fixedly connected with a right limiting spring, the top of the right limiting spring is fixedly connected with a right limiting plate, and the right limiting plate is fixedly connected with the right roller body support.

[0025] By adopting the above technical scheme, the left roller body seat, the left limiting spring, the left limiting plate, the right roller body seat, the right limiting spring and the right limiting plate are arranged, when the yarn tension fluctuation is small during the yarn conveying process on the device, the left limiting spring in the left roller body seat and the right limiting spring in the right roller body seat can be compressed to drive the left tension roller and the right tension roller to move in the left roller body seat and the right roller body seat respectively, the yarn tension adjustment function can be realized, and the applicability of the device is further improved.

[0026] The utility model discloses an advantageous effect is: through setting the adjusting machine case, the clutch motor, drive assembly, left mobile seat, left tension roller, right mobile seat, right tension roller, the device when using, the clutch motor work drive the rotation of the drive gear wheel in drive assembly in the adjusting machine case, through the transmission cooperation of drive gear wheel, left gear, right gear, forward screw, forward screw sliding table, left limit rod, reverse screw, reverse screw sliding table, right limit rod, drive left mobile seat to move and right mobile seat to move down, that is, drive left tension roller and right tension roller synchronous opposite movement in vertical direction, this design realizes the height adjustment effect of left tension roller and right tension roller, and the clutch motor can drive left tension roller and right tension roller to carry out the opposite movement or the opposite movement in vertical direction through the cooperation of forward and reverse and drive assembly, that is, realizes the tension adjustment effect of yarn, and the tension adjustment range is big, and the left tension roller and right tension roller of simultaneous movement compare single tension roller, and the tension adjustment range is two times of it, and then the applicability of the device is enhanced, reaches the characteristics that the applicability and the applicable range of the device are strong, through setting left roller body seat, left limit spring, left limit plate, right roller body seat, right limit spring and right limit plate, when yarn tension fluctuation is little in the process that yarn is conveyed on the device, can through the compression of left limit spring in left roller body seat and right limit spring in right roller body seat, drive left tension roller and right tension roller respectively in left roller body seat and right roller body seat carry out small amplitude movement, that is, can complete the tension adjustment effect of yarn, thereby further improve the applicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will introduce the drawing needed to be used in the embodiment description, obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0028] Figure 1 It is the structural schematic diagram of the utility model;

[0029] Figure 2 It is the structural schematic diagram of drive assembly in the utility model;

[0030] Figure 3 It is the structural schematic diagram of left roller body seat in the utility model;

[0031] Figure 4 It is the structural schematic diagram of right roller body seat in the utility model.

[0032] In the figure, 1, support back plate; 2, adjust machine case; 3, embrace brake motor; 4, drive assembly; 401, drive gear; 402, left gear; 403, right gear; 404, positive screw; 405, positive screw slide table; 406, left limit rod; 407, reverse screw; 408, reverse screw slide table; 409, right limit rod; 5, left moving seat; 6, left roller body seat; 7, left roller body support; 8, left tension roller; 9, right moving seat; 10, right roller body seat; 11, right roller body support; 12, right tension roller; 13, support plate; 14, slide rail; 15, slide seat; 16, connecting rod; 17, left bearing seat; 18, right bearing seat; 19, left limit slot; 20, right limit slot; 21, mounting base; 22, mounting hole; 23, feeding guide roller; 24, discharging guide roller; 25, left limit spring; 26, left limit plate; 27, right limit spring; 28, right limit plate. DETAILED DESCRIPTION

[0033] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] REFERENCE Figures 1-4The utility model provides a kind of air-jet loom tension adjusting device, including support backplate 1, one side of support backplate 1 is fixedly connected with adjusting machine box 2, the top of adjusting machine box 2 is fixedly connected with clutch motor 3, the inside of adjusting machine box 2 is provided with drive assembly 4, the outer surface of support backplate 1 is provided with left mobile seat 5, the outer surface of left mobile seat 5 is fixedly connected with left roller body seat 6, the top of left roller body seat 6 is provided with left roller body support 7, the inner side of left roller body support 7 is rotatably connected with left tension roller 8, the outer surface of support backplate 1 is provided with right mobile seat 9, the outer surface of right mobile seat 9 is fixedly connected with right roller body seat 10, the bottom of right roller body seat 10 is provided with right roller body support 11, the inner side of right roller body support 11 is rotatably connected with right tension roller 12, by being provided with adjusting machine box 2, clutch motor 3, drive assembly 4, left mobile seat 5, left tension roller 8, right mobile seat 9, right tension roller 12, when using, clutch motor 3 works and drives the rotation of the drive gear 401 in drive assembly 4 in the inside of adjusting machine box 2, by the transmission cooperation of drive gear 401, left gear 402, right gear 403, positive screw 404, positive screw sliding table 405, left limiting rod 406, reverse screw 407, reverse screw sliding table 408, right limiting rod 409, left mobile seat 5 is driven to move upwards and right mobile seat 9 moves downwards, i.The outer surface of the reverse screw sliding table 408 is fixedly connected with a right limiting rod 409, the right limiting rod 409 is fixedly connected with the right moving seat 9, the reverse screw 407 drives the reverse screw sliding table 408 to move when rotating, and in turn drives the right moving seat 9 to move synchronously through the right limiting rod 409, the inner bottom wall of the adjusting case 2 is fixedly connected with a supporting plate 13, the two sides of the supporting plate 13 are fixedly connected with sliding rails 14, the outer surface of the sliding rail 14 is slidably connected with a sliding seat 15, one side of the sliding seat 15 is fixedly connected with connecting rods 16, the number of the connecting rods 16 is two, the two connecting rods 16 are respectively fixedly connected with the forward screw sliding table 405 and the reverse screw sliding table 408, by setting the supporting plate 13, the sliding rail 14, the sliding seat 15 and the connecting rod 16, the stability of the forward screw sliding table 405 and the reverse screw sliding table 408 during the movement adjustment process can be effectively improved, the inner wall of the adjusting case 2 is fixedly connected with a left bearing seat 17, the left bearing seat 17 is rotatably connected with the forward screw 404, the inner wall of the adjusting case 2 is fixedly connected with a right bearing seat 18, the right bearing seat 18 is rotatably connected with the reverse screw 407, by setting the left bearing seat 17 and the right bearing seat 18, the supporting and fixing effects of the forward screw 404 and the reverse screw 407 are respectively achieved, the outer surface of the supporting back plate 1 is provided with a left limiting groove 19, the left limiting rod 406 is slidably connected with the left limiting groove 19, the outer surface of the supporting back plate 1 is provided with a right limiting groove 20, the right limiting rod 409 is slidably connected with the right limiting groove 20, by setting the left limiting groove 19 and the right limiting groove 20, the limiting effects of the moving range of the left moving seat 5 and the right moving seat 9 are respectively achieved, the lower surface of the supporting back plate 1 is fixedly connected with a mounting base 21, the upper surface of the mounting base 21 is provided with a mounting hole 22, by setting the mounting base 21 and the mounting hole 22, the device can be conveniently mounted and connected with the air-jet loom by the staff, the outer surface of the supporting back plate 1 is rotatably connected with an inlet guide roller 23, the inlet guide roller 23 is located at the left side of the left tensioning roller 8, the outer surface of the supporting back plate 1 is rotatably connected with an outlet guide roller 24, the outlet guide roller 24 is located at the right side of the right tensioning roller 12, by setting the inlet guide roller 23 and the outlet guide roller 24, the inlet and outlet guiding effects of the yarn are respectively achieved, the inner bottom wall of the left roller body seat 6 is fixedly connected with a left limiting spring 25, the top of the left limiting spring 25 is fixedly connected with a left limiting plate 26, the left limiting plate 26 is fixedly connected with the left roller body support 7, the inner bottom wall of the right roller body seat 10 is fixedly connected with a right limiting spring 27, the top of the right limiting spring 27 is fixedly connected with a right limiting plate 28, the right limiting plate 28 is fixedly connected with the right roller body support 11, by setting the left roller body seat 6, the left limiting spring 25, the left limiting plate 26, the right roller body seat 10, the right limiting spring 27 and the right limiting plate 28, when the yarn tension fluctuation is small during the yarn conveying process on the device, the left limiting spring 25 in the left roller body seat 6 and the right limiting spring 27 in the right roller body seat 10 can be compressed,The left tension roller 8 and the right tension roller 12 are driven to move in the left roller body seat 6 and the right roller body seat 10 respectively, so that the tension adjustment effect on the yarn is achieved, and the applicability of the device is further improved.

[0035] In the utility model, the adjusting case 2, the brake motor 3, the driving assembly 4, the left moving seat 5, the left tension roller 8, the right moving seat 9 and the right tension roller 12 are arranged, when the device is used, the brake motor 3 drives the driving gear 401 in the driving assembly 4 in the adjusting case 2 to rotate, through the transmission cooperation of the driving gear 401, the left gear 402, the right gear 403, the forward lead screw 404, the forward lead screw sliding table 405, the left limiting rod 406, the reverse lead screw 407, the reverse lead screw sliding table 408 and the right limiting rod 409, the left moving seat 5 is driven to move upwards and the right moving seat 9 is driven to move downwards, that is, the left tension roller 8 and the right tension roller 12 are driven to move in the opposite direction in the vertical direction, the design realizes the height adjustment effect on the left tension roller 8 and the right tension roller 12, the brake motor 3 drives the left tension roller 8 and the right tension roller 12 to move in the opposite direction or the same direction in the vertical direction through the cooperation of the forward and reverse rotation and the driving assembly 4, that is, the tension adjustment effect on the yarn is realized, the tension adjustment range is large, the left tension roller 8 and the right tension roller 12 move simultaneously, and the tension adjustment range of the left tension roller 8 and the right tension roller 12 is twice that of a single tension roller, and the applicability of the device is further improved, and the characteristics that the device has strong applicability and application range are achieved.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tension regulating device for air-jet looms comprising a support backplate (1), characterized in that: One side of the supporting backboard (1) is fixedly connected with an adjusting machine box (2), the top of the adjusting machine box (2) is fixedly connected with a brake motor (3), the inside of the adjusting machine box (2) is provided with a driving assembly (4), the outer surface of the supporting backboard (1) is provided with a left moving seat (5), the outer surface of the left moving seat (5) is fixedly connected with a left roller body seat (6), the top of the left roller body seat (6) is provided with a left roller body support (7), the inner side of the left roller body support (7) is rotatably connected with a left tensioning roller (8), the outer surface of the supporting backboard (1) is provided with a right moving seat (9), the outer surface of the right moving seat (9) is fixedly connected with a right roller body seat (10), the bottom of the right roller body seat (10) is provided with a right roller body support (11), and the inner side of the right roller body support (11) is rotatably connected with a right tensioning roller (12).

2. A jet loom tension regulating device according to claim 1, characterized in that: The driving assembly (4) comprises a driving gear (401), a left gear (402) and a right gear (403), the driving gear (401) is fixedly connected with the brake motor (3), and the left gear (402) and the right gear (403) are engaged with the driving gear (401).

3. A jet loom tension regulating device according to claim 2, characterised in that: The inner wall of the left gear (402) is inserted with a forward lead screw (404), the outer wall of the forward lead screw (404) is threadedly connected with a forward lead screw sliding table (405), the outer surface of the forward lead screw sliding table (405) is fixedly connected with a left limiting rod (406), and the left limiting rod (406) is fixedly connected with the left moving seat (5).

4. A jet loom tension regulating device according to claim 3, characterised in that: The inner wall of the right gear (403) is inserted with a reverse lead screw (407), the outer wall of the reverse lead screw (407) is threadedly connected with a reverse lead screw sliding table (408), the outer surface of the reverse lead screw sliding table (408) is fixedly connected with a right limiting rod (409), and the right limiting rod (409) is fixedly connected with the right moving seat (9).

5. A jet loom tension regulating device according to claim 1, characterized in that: The inner bottom wall of the adjusting machine box (2) is fixedly connected with a supporting plate (13), both sides of the supporting plate (13) are fixedly connected with sliding rails (14), the outer surface of the sliding rail (14) is slidably connected with a sliding seat (15), one side of the sliding seat (15) is fixedly connected with a connecting rod (16), the number of the connecting rod (16) is two, and the two connecting rods (16) are respectively fixedly connected with the forward lead screw sliding table (405) and the reverse lead screw sliding table (408).

6. A jet loom tension regulating device according to claim 1, characterized in that: The inner wall of the adjusting machine box (2) is fixedly connected with a left bearing seat (17), the left bearing seat (17) is rotatably connected with the forward lead screw (404), the inner wall of the adjusting machine box (2) is fixedly connected with a right bearing seat (18), and the right bearing seat (18) is rotatably connected with the reverse lead screw (407).

7. A jet loom tension regulating device according to claim 4, characterized in that: The outer surface of the supporting backboard (1) is provided with a left limiting groove (19), the left limiting rod (406) is slidably connected with the left limiting groove (19), and the outer surface of the supporting backboard (1) is provided with a right limiting groove (20), the right limiting rod (409) is slidably connected with the right limiting groove (20).

8. A jet loom tension regulating device according to claim 1, characterized in that: The lower surface of the support back plate (1) is fixedly connected with a mounting base (21), and the upper surface of the mounting base (21) is provided with a mounting hole (22).

9. A jet loom tension regulating device according to claim 1, characterized in that: The outer surface of the support back plate (1) is rotatably connected with an inlet guide roller (23), which is located at the left side of the left tension roller (8); the outer surface of the support back plate (1) is rotatably connected with an outlet guide roller (24), which is located at the right side of the right tension roller (12).

10. A jet loom tension regulating device according to claim 1, characterized in that: The inner bottom wall of the left roller body seat (6) is fixedly connected with a left limiting spring (25), the top of the left limiting spring (25) is fixedly connected with a left limiting plate (26), the left limiting plate (26) is fixedly connected with the left roller body support (7); the inner bottom wall of the right roller body seat (10) is fixedly connected with a right limiting spring (27), the top of the right limiting spring (27) is fixedly connected with a right limiting plate (28), and the right limiting plate (28) is fixedly connected with the right roller body support (11).

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