Automatic weft cutting mechanism of air jet loom

Abstract

The invention discloses an automatic weft cutting mechanism of an air-jet loom, and belongs to the technical field of air-jet looms.The automatic weft cutting mechanism comprises a weft cutting equipment body, a material roller is arranged in the weft cutting equipment body, a cutting assembly is arranged above the material roller, and a clamping assembly is arranged below the material roller; chipping collecting assemblies are arranged on the two sides of the weft yarn cutting-off equipment body, a damping assembly is arranged on one side of each chipping collecting assembly, a height adjusting assembly is arranged at one end of each damping assembly, a movable base is arranged below each height adjusting assembly, and a cleaning assembly is arranged in each chipping collecting assembly; by arranging the cleaning assembly, when filter cloth in the scrap collecting assembly needs to be cleaned, a second motor is started to drive a moving seat and a cleaning brush to move, the cleaning brush moves so that the surface of the filter cloth can be cleaned, and the situation that the surface of the filter cloth to which scraps are attached blocks filter holes and influences air circulation is prevented.

Description

Technical Field

[0001] The invention belongs to the technical field of air jet looms, and in particular relates to an automatic weft cutting mechanism for air jet looms. Background Art

[0002] Air jet loom is a shuttleless loom that uses jet airflow to pull the weft yarn through the shed. The working principle is to use air as the weft insertion medium, and use the ejected compressed airflow to generate friction traction on the weft yarn to pull the weft yarn through the shed, and achieve the purpose of weft insertion through the jet generated by the air jet.

[0003] Chinese patent announcement number CN221645210U discloses an automatic weft cutting mechanism for an air jet loom, which belongs to the technical field of air jet looms, and comprises a weft cutting device body, a material roller is installed on the inner side of the weft cutting device body, a shearing assembly is installed on the weft cutting device body and at a position above the material roller, a clamping assembly is installed on the weft cutting device body and at a position below the material roller, shock absorbing assemblies are arranged on both sides of the weft cutting device body, and the weft cutting device body and the two shock absorbing assemblies are connected through two debris collecting devices; the present invention provides a debris collecting device and a drying treatment device, so that the mechanism can collect and treat debris such as thread floss and dust appearing in the working process through the cooperation of structures such as a fan and a filter cloth when necessary, and the mechanism can keep the inside of the weft cutting device body dry through a silica gel desiccant when necessary, thereby improving the working capacity of the mechanism.

[0004] The above-mentioned patent has the following problems: the device requires the staff to manually adjust the height, which is time-consuming and laborious; debris is easily attached to the filter cloth in the debris collection assembly, thereby affecting air circulation. Summary of the invention

[0005] To solve the problems raised in the above background technology, the present invention provides an automatic weft cutting mechanism for an air jet loom, which is convenient for workers to adjust the height of the weft cutting device body and clean the filter cloth in the debris collection assembly.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic weft cutting mechanism of an air jet loom, comprising a weft yarn cutting device body, a material roller is arranged inside the weft yarn cutting device body, a cutting assembly is arranged above the material roller, a clamping assembly is arranged below the material roller, debris collection assemblies are arranged on both sides of the weft yarn cutting device body, a shock absorbing assembly is arranged on one side of the debris collection assembly, a height adjustment assembly is arranged at one end of the shock absorbing assembly, a movable base is arranged below the height adjustment assembly, and a cleaning assembly is arranged inside the debris collection assembly.

[0007] Preferably, the height adjustment assembly includes a support seat, an adjusting screw, a rotating seat, a support frame, a gear transmission rod, a protective shell, a sliding cover, a driving wheel and a motor 1, wherein a protective shell is provided in the middle of the movable base, a sliding cover is provided above the protective shell, a driving wheel is provided inside the protective shell, a motor 1 is provided below the driving wheel, gear transmission rods are provided on both sides of the driving wheel, a support frame is provided on the surface of the gear transmission rod, a rotating seat is provided at one end of the gear transmission rod, an adjusting screw is provided above the rotating seat, and a support seat is provided above the adjusting screw.

[0008] Preferably, a thread groove is provided in the lower middle portion of the support seat, and the support seat is connected to the adjusting screw via the thread groove.

[0009] Preferably, the cleaning assembly includes a movable seat, a second motor, a collection box, a threaded rod, a cleaning brush and a cleaning head, wherein a collection box is arranged below the debris collection assembly, a threaded rod is arranged inside the debris collection assembly, a second motor is arranged at one end of the threaded rod, a movable seat is arranged on the surface of the threaded rod, cleaning heads are arranged at both ends of the movable seat, and a cleaning brush is arranged below the movable seat.

[0010] Preferably, a slag discharge port is provided at the bottom of the debris collection assembly, and a collection box is provided below the slag discharge port.

[0011] Preferably, a guide groove is provided on the inner wall of the debris collection assembly, and the movable seat is connected to the guide groove via a sliding block.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention sets a height adjustment component. When the height of the weft yarn cutting device body needs to be adjusted, the motor is turned on for a while to drive the driving wheel and the gear transmission rod to rotate. The gear transmission rod rotates so that the height of the support seat and the weft yarn cutting device body can be adjusted by adjusting the screw, thereby eliminating the manual adjustment step of the staff.

[0014] 2. The present invention sets a cleaning component. When the filter cloth in the debris collection component needs to be cleaned, the second motor is turned on to drive the moving seat and the cleaning brush to move. The cleaning brush moves to clean the surface of the filter cloth to prevent the surface of the filter cloth where debris is attached from clogging the filter holes and affecting air circulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 It is a schematic diagram of the height adjustment assembly of the present invention;

[0017] Figure 3 It is a partial schematic diagram of the height adjustment assembly of the present invention;

[0018] Figure 4 A schematic diagram of a cleaning component of the present invention;

[0019] Figure 5 It is a partial schematic diagram of the cleaning component of the present invention.

[0020] In the figure: 1. Weft yarn cutting equipment body; 2. Debris collection assembly; 3. Height adjustment assembly; 31. Support seat; 32. Adjustment screw; 33. Rotating seat; 34. Support frame; 35. Gear transmission rod; 36. Protective shell; 37. Sliding cover; 38. Driving wheel; 39. Motor 1; 4. Moving base; 5. Cutting assembly; 6. Material roller; 7. Clamping assembly; 8. Cleaning assembly; 81. Moving seat; 82. Motor 2; 83. Collection box; 84. Threaded rod; 85. Cleaning brush; 86. Cleaning head; 9. Shock absorption assembly. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1

[0023] See also Figure 1-5 The present invention provides the following technical solutions: an automatic weft cutting mechanism of an air jet loom, comprising a weft cutting device body 1, a material roller 6 is arranged inside the weft cutting device body 1, a cutting component 5 is arranged above the material roller 6, a clamping component 7 is arranged below the material roller 6, debris collecting components 2 are arranged on both sides of the weft cutting device body 1, a shock absorbing component 9 is arranged on one side of the debris collecting component 2, a height adjusting component 3 is arranged at one end of the shock absorbing component 9, a movable base 4 is arranged below the height adjusting component 3, and a cleaning component 8 is arranged inside the debris collecting component 2.

[0024] Specifically, the height adjustment component 3 includes a support seat 31, an adjusting screw 32, a rotating seat 33, a support frame 34, a gear transmission rod 35, a protective shell 36, a sliding cover 37, a driving wheel 38 and a motor 39, wherein a protective shell 36 is provided in the middle of the movable base 4, a sliding cover 37 is provided above the protective shell 36, a driving wheel 38 is provided inside the protective shell 36, a motor 39 is provided below the driving wheel 38, gear transmission rods 35 are provided on both sides of the driving wheel 38, a support frame 34 is provided on the surface of the gear transmission rod 35, a rotating seat 33 is provided at one end of the gear transmission rod 35, an adjusting screw 32 is provided above the rotating seat 33, and a support seat 31 is provided above the adjusting screw 32.

[0025] By adopting the above technical solution, a protective shell 36 is provided in the middle of the movable base 4, so as to protect the gear meshing position. A sliding cover 37 is provided above the protective shell 36, so as to facilitate the opening and closing of the protective shell 36. The weft yarn cutting device body 1 is fixed between the support seats 31. When it is necessary to adjust the height of the weft yarn cutting device body 1, the motor 39 is turned on to drive the gear transmission rod 35 to rotate through the driving wheel 38. A rotating seat 33 is provided at one end of the gear transmission rod 35. The gear transmission rod 35 rotates to drive the rotating seat 33 to rotate together. The rotating seat 33 rotates to adjust the height of the support seat 31 and the weft yarn cutting device body 1 through the adjusting screw 32.

[0026] Specifically, a thread groove is provided at the lower middle portion of the support seat 31 , and the support seat 31 is connected to the adjusting screw rod 32 via the thread groove.

[0027] By adopting the above technical solution, a thread groove is provided in the lower middle part of the support seat 31, and the support seat 31 is connected to the adjusting screw 32 through the thread groove, so that the rotation of the adjusting screw 32 can drive the support seat 31 to rise and fall.

[0028] When this embodiment is in use, a protective shell 36 is provided in the middle of the movable base 4 to protect the gear meshing portion, and a sliding cover 37 is provided above the protective shell 36 to facilitate the opening and closing of the protective shell 36. The weft yarn cutting device body 1 is fixed between the support seats 31. When the height of the weft yarn cutting device body 1 needs to be adjusted, the motor 39 is turned on to drive the gear transmission rod 35 to rotate through the driving wheel 38. A rotating seat 33 is provided at one end of the gear transmission rod 35. The rotation of the gear transmission rod 35 can drive the rotating seat 33 to rotate together. Since a threaded groove is provided in the lower middle part of the support seat 31, the support seat 31 is connected to the adjusting screw 32 through the threaded groove. The rotating seat 33 rotates to adjust the height of the support seat 31 and the weft yarn cutting device body 1 through the adjusting screw 32.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that: specifically, the cleaning component 8 includes a movable seat 81, a motor 82, a collection box 83, a threaded rod 84, a cleaning brush 85 and a cleaning head 86, wherein a collection box 83 is arranged below the debris collection component 2, a threaded rod 84 is arranged inside the debris collection component 2, a motor 82 is arranged at one end of the threaded rod 84, a movable seat 81 is arranged on the surface of the threaded rod 84, cleaning heads 86 are arranged at both ends of the movable seat 81, and a cleaning brush 85 is arranged below the movable seat 81.

[0031] By adopting the above technical solution, when the filter cloth in the debris collection assembly 2 needs to be cleaned, the motor 2 82 is turned on to drive the threaded rod 84 to rotate. The rotation of the threaded rod 84 will drive the movable seat 81 to move. The movement of the movable seat 81 can drive the cleaning brush 85 below to clean the surface of the filter cloth to prevent the surface of the filter cloth adhered to by debris from clogging the filter holes. After cleaning, the debris will fall into the collection box 83. Since cleaning heads 86 are provided on both sides of the movable seat 81, the surface of the threaded rod 84 can be cleaned to prevent debris from adhering to the surface of the threaded rod 84.

[0032] Specifically, a slag discharge port is provided at the bottom of the debris collection assembly 2, and the collection box 83 is provided below the slag discharge port.

[0033] By adopting the above technical solution, a slag discharge port is provided at the bottom of the debris collection assembly 2 , and the collection box 83 is arranged below the slag discharge port, so that the cleaned debris can fall into the collection box 83 .

[0034] Specifically, the inner wall of the debris collection assembly 2 is provided with a guide groove, and the movable seat 81 is connected to the guide groove through a slider.

[0035] By adopting the above technical solution, the inner wall of the debris collection assembly 2 is provided with a guide groove, and the movable seat 81 is connected to the guide groove through a slider, so that the movable seat 81 can move in a directional manner.

[0036] When the present embodiment is used, when it is necessary to clean the filter cloth in the debris collection assembly 2, the motor 2 82 is turned on to drive the threaded rod 84 to rotate. The rotation of the threaded rod 84 will drive the movable seat 81 to move. The movement of the movable seat 81 can drive the cleaning brush 85 below to clean the surface of the filter cloth to prevent the surface of the filter cloth adhered to by debris from clogging the filter holes. Since a slag discharge port is provided at the bottom of the debris collection assembly 2, the collection box 83 is provided below the slag discharge port, so that the cleaned debris can fall into the collection box 83, and cleaning heads 86 are provided on both sides of the movable seat 81, so that the surface of the threaded rod 84 can be cleaned to prevent debris from adhering to the surface of the threaded rod 84.

[0037] The structures and use principles of the debris collecting assembly 2, cutting assembly 5, material roller 6, clamping assembly 7 and shock absorbing assembly 9 in the present invention have been disclosed in an automatic weft cutting mechanism for an air jet loom disclosed in Chinese Patent Publication No. CN221645210U.

[0038] The working principle and use process of the present invention: When the present invention is in use, it is used to adjust the height of the weft yarn cutting device body 1 of the automatic weft cutting mechanism of the jet loom. When working, it is necessary to adjust the height of the weft yarn cutting device body 1. A protective shell 36 is provided in the middle of the movable base 4, so that the gear meshing position can be protected. A sliding cover 37 is provided above the protective shell 36, so as to facilitate the opening and closing of the protective shell 36. The weft yarn cutting device body 1 is fixed between the support seats 31. When it is necessary to adjust the height of the weft yarn cutting device body 1, the motor 39 is turned on to drive the gear transmission rod 35 to rotate through the driving wheel 38. A rotating seat 33 is provided at one end of the gear transmission rod 35. The rotation of the gear transmission rod 35 can drive the rotating seat 33 to rotate together. Since a thread groove is provided in the middle of the lower part of the support seat 31, the support seat 31 is connected to the adjusting screw 32 through the thread groove. The rotating seat 33 rotates and the height of the support seat 31 and the weft yarn cutting device body 1 can be adjusted through the adjusting screw 32.

[0039] When in use, it is used to clean the filter cloth of the automatic weft cutting mechanism of the jet loom. When the operation is in progress, the filter cloth in the debris collection assembly 2 needs to be cleaned. When the filter cloth in the debris collection assembly 2 needs to be cleaned, the motor 2 82 is turned on to drive the threaded rod 84 to rotate. The rotation of the threaded rod 84 will drive the movable seat 81 to move. The movement of the movable seat 81 can drive the cleaning brush 85 below to clean the surface of the filter cloth to prevent the surface of the filter cloth where debris is attached from clogging the filter holes. Since a slag discharge port is provided at the bottom of the debris collection assembly 2, a collection box 83 is provided below the slag discharge port, so that the cleaned debris can fall into the collection box 83, and cleaning heads 86 are provided on both sides of the movable seat 81, so that the surface of the threaded rod 84 can be cleaned to prevent debris from adhering to the surface of the threaded rod 84.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic weft cutting mechanism for an air jet loom, comprising a weft cutting device body (1), a material roller (6) is arranged inside the weft cutting device body (1), a cutting assembly (5) is arranged above the material roller (6), a clamping assembly (7) is arranged below the material roller (6), debris collecting assemblies (2) are arranged on both sides of the weft cutting device body (1), and a shock absorbing assembly (9) is arranged on one side of the debris collecting assembly (2), characterized in that: A height adjustment component (3) is arranged at one end of the shock absorbing component (9), a movable base (4) is arranged below the height adjustment component (3), and a cleaning component (8) is arranged inside the debris collecting component (2).

2. The automatic weft cutting mechanism of an air jet loom according to claim 1, characterized in that: The height adjustment assembly (3) comprises a support seat (31), an adjusting screw rod (32), a rotating seat (33), a support frame (34), a gear transmission rod (35), a protective shell (36), a sliding cover (37), a driving wheel (38) and a motor (39), wherein a protective shell (36) is arranged in the middle of the movable base (4), a sliding cover (37) is arranged above the protective shell (36), a driving wheel (38) is arranged inside the protective shell (36), a motor (39) is arranged below the driving wheel (38), gear transmission rods (35) are arranged on both sides of the driving wheel (38), a support frame (34) is arranged on the surface of the gear transmission rod (35), a rotating seat (33) is arranged at one end of the gear transmission rod (35), an adjusting screw rod (32) is arranged above the rotating seat (33), and a support seat (31) is arranged above the adjusting screw rod (32).

3. The automatic weft cutting mechanism of an air jet loom according to claim 2, characterized in that: A thread groove is provided in the middle of the lower part of the support seat (31), and the support seat (31) is connected to the adjusting screw rod (32) via the thread groove.

4. The automatic weft cutting mechanism of an air jet loom according to claim 1, characterized in that: The cleaning assembly (8) comprises a movable seat (81), a second motor (82), a collection box (83), a threaded rod (84), a cleaning brush (85) and a cleaning head (86), wherein a collection box (83) is arranged below the debris collection assembly (2), a threaded rod (84) is arranged inside the debris collection assembly (2), a second motor (82) is arranged at one end of the threaded rod (84), a movable seat (81) is arranged on the surface of the threaded rod (84), cleaning heads (86) are arranged at both ends of the movable seat (81), and a cleaning brush (85) is arranged below the movable seat (81).

5. The automatic weft cutting mechanism of an air jet loom according to claim 4, characterized in that: The bottom of the debris collection assembly (2) is provided with a slag discharge port, and the collection box (83) is arranged below the slag discharge port.

6. The automatic weft cutting mechanism of an air jet loom according to claim 4, characterized in that: The inner wall of the debris collection assembly (2) is provided with a guide groove, and the movable seat (81) is connected to the guide groove via a sliding block.

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