Tensioning mechanism of air jet loom

Abstract

The utility model provides a tensioning mechanism of an air jet loom, which relates to the technical field of tensioning mechanisms and comprises a mechanism body. The mechanism body is provided with a tensioning bearing plate in the left-right direction, bearing vertical plates with left-right through holes are arranged on the left side and the right side of the front portion of the end face of the top of the tensioning bearing plate, fixing vertical plates with front-back through holes are arranged on the front portion and the back portion of the left end of the end face of the top of the tensioning bearing plate, and a strip-shaped groove in the left-right direction is formed in the back portion of the end face of the top of the tensioning bearing plate. A guide adjusting rod in the front-back direction is mounted between fixed vertical plates of the tensioning bearing plate through a bearing, so that the guide adjusting rod is conveniently mounted on the tensioning bearing plate through the bearing to bear the cloth guide plate, and the cloth guide plate conveniently guides cloth through internal and external movement adjustment through thread engagement; the problems that a tensioning mechanism is not provided with any guiding measures, cloth is prone to skew due to tensioning stress, and guiding measures are inconvenient to be additionally arranged on the tensioning mechanism to limit and guide the tensioned cloth are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tensioning mechanisms, in particular to a tensioning mechanism for an air jet loom. Background Art

[0002] Home textile fabrics refer to fabrics used to make home textiles, including bedding, curtains, sofa covers and carpets. From a chemical perspective, home textile fabrics are divided into natural fabrics, non-natural fabrics and recycled fiber fabrics. Home textile fabrics need to be produced and processed by air-jet looms. Air-jet looms are shuttleless looms that use jet airflow to pull the weft yarn through the shuttle. During use, the fabric needs to be tensioned by a tensioning mechanism.

[0003] Based on the above, the inventors found that the existing air jet loom tensioning mechanism has the following shortcomings:

[0004] 1. There is no guiding measure on the tensioning mechanism, which makes the fabric easily skewed due to the tensioning force. It is not convenient to add guiding measures on the tensioning mechanism to limit the tensioning fabric.

[0005] 2. The tensioning roller of the tensioning mechanism needs to be disassembled and adjusted, which makes the tensioning adjustment process more complicated and inconvenient to add adjustment measures to the tensioning mechanism to move and adjust the tensioning roller. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a tensioning mechanism for an air jet loom to solve the problem that the existing tensioning mechanism does not have any guiding measures, which makes the cloth easily skewed due to the tensioning force, and it is inconvenient to install guiding measures on the tensioning mechanism to limit and guide the tensioned cloth; the tensioning roller of the tensioning mechanism needs to be disassembled and adjusted, which makes the tensioning adjustment process more cumbersome, and it is inconvenient to install adjustment measures on the tensioning mechanism to move and adjust the tensioning roller.

[0007] The purpose and effect of the tensioning mechanism of the air jet loom of the utility model are achieved by the following specific technical means:

[0008] A tensioning mechanism of a jet loom comprises a mechanism body; the mechanism body is provided with a tensioning bearing plate in the left and right directions, bearing vertical plates with left and right through holes are provided on the left and right sides in front of the top end face of the tensioning bearing plate, fixed vertical plates with front and rear through holes are provided at the front and rear ends of the left end face of the top end face of the tensioning bearing plate, a strip groove in the left and right directions is provided at the rear of the top end face of the tensioning bearing plate, a guide adjustment rod in the front and rear directions is installed between the fixed vertical plates of the tensioning bearing plate through a bearing, threads with opposite rotation directions are provided on the front and rear outer circumferences of the guide adjustment rod, fixed columns are provided on the front and rear rear end faces of the guide adjustment rod, a regular hexagonal prism is provided on the outer end face of the fixed column of the guide adjustment rod, cloth guide plates in the left and right directions are installed on the front and rear sides of the outer circumference of the guide adjustment rod, semicircular heads are provided at both ends of the cloth guide plate, and a threaded hole that penetrates front and rear is provided at the center of the semicircular head at the left end of the cloth guide plate.

[0009] Furthermore, a supporting movable plate is installed in the up and down directions on the fixed column behind the cloth tensioning roller through a bearing, a bearing hole running through the front and back is opened on the upper part of the supporting movable plate, and the lower end of the supporting movable plate is inserted into the strip groove of the tensioning bearing plate.

[0010] Furthermore, a cloth tensioning roller in the front-to-rear direction is installed through a bearing at the rear of the bearing hole of the tensioning movable plate, and spacer columns are arranged on the front and rear end surfaces of the cloth tensioning roller, and a fixing column is arranged on the outer end surface of the spacer column of the cloth tensioning roller.

[0011] Furthermore, a bearing hole is provided on the top of the tensioning movable plate and runs through the top and the bottom.

[0012] Furthermore, a tensioning movable plate in the up-and-down directions is installed on the outer circumference of the tensioning adjustment rod through threads, and a threaded hole penetrating left and right is opened at the bottom of the tensioning movable plate.

[0013] Furthermore, the left and right end surfaces of the tension adjustment rod are both provided with fixing columns, and the outer end surface of the fixing column at the right end of the tension adjustment rod is provided with a regular hexagonal prism.

[0014] Furthermore, a tensioning adjustment rod in left and right directions is installed between the supporting upright plates of the tensioning supporting plate through a bearing, and a thread is provided on the outer circumference of the tensioning adjustment rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The guide adjustment rod is conveniently installed on the tensioning bearing plate through a bearing to support the cloth guide plate, and the cloth guide plate is conveniently adjusted by the inward and outward movement of the threaded engagement to guide the cloth, which solves the problem that there is no guide measure on the tensioning mechanism, which makes the cloth easily skewed due to the tensioning force, and it is inconvenient to add guide measures on the tensioning mechanism to limit the guide of the tensioned cloth.

[0017] The tensioning adjustment rod is conveniently installed on the tensioning bearing plate through a bearing to support the tensioning movable plate, so that the cloth tensioning roller is driven by the tensioning movable plate to move and adjust the tensioning degree, thereby solving the problem that the tensioning roller of the tensioning mechanism needs to be disassembled and adjusted, resulting in a cumbersome tensioning adjustment process and inconvenient to add adjustment measures to the tensioning mechanism to move and adjust the tensioning roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a main structural schematic diagram of the utility model.

[0019] Figure 2 It is a rear view structural schematic diagram of the utility model.

[0020] Figure 3 It is a schematic diagram of the disassembled structure of the utility model.

[0021] Figure 4 It is a schematic diagram of assembling the tensioning bearing plate and the guide adjusting rod of the utility model.

[0022] Figure 5 It is an assembly schematic diagram of the tensioning movable plate and the cloth tensioning roller of the utility model.

[0023] Figure 6 It is an assembly schematic diagram of the tensioning bearing plate and the tensioning adjusting rod of the utility model.

[0024] In the figure: 1. Mechanism body; 2. Tensioning bearing plate; 3. Guide adjustment rod; 4. Fabric guide plate; 5. Tensioning adjustment rod; 6. Tensioning movable plate; 7. Fabric tensioning roller; 8. Support movable plate. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0026] Embodiment 1:

[0027] As attached Figure 1 To Attachment Figure 6 As shown:

[0028] The utility model provides a tensioning mechanism of an air jet loom, comprising a mechanism body 1; the mechanism body 1 is provided with a tensioning bearing plate 2 in the left and right directions, which is convenient for carrying various components; a bearing vertical plate with left and right through holes is provided on both the left and right sides in front of the top end surface of the tensioning bearing plate 2, which is convenient for the tensioning adjustment rod 5 to be installed through a bearing; a fixed vertical plate with front and rear through holes is provided at the front and rear ends of the left end of the top end surface of the tensioning bearing plate 2, which is convenient for the guide adjustment rod 3 to be installed through a bearing; a strip groove in the left and right directions is opened at the rear of the top end surface of the tensioning bearing plate 2, which is convenient for the support moving plate 8 to be inserted into the guide; a guide adjustment rod 3 in the front and rear directions is installed between the fixed vertical plates of the tensioning bearing plate 2 through a bearing, The guide adjustment rod 3 is convenient for rotation, and the outer circumferences on the front and rear sides of the guide adjustment rod 3 are provided with threads with opposite rotation directions, which is convenient for the synchronous inward and outward movement adjustment of the cloth guide plate 4. The front and rear end faces of the guide adjustment rod 3 are provided with fixed columns, which are convenient for installation through bearings. The outer end face of the fixed column of the guide adjustment rod 3 is provided with a regular hexagonal prism, which is convenient for rotation adjustment through tools. The cloth guide plates 4 in the left and right directions are installed on the front and rear sides of the outer circumference of the guide adjustment rod 3, which is convenient for limiting the guiding of the cloth. Semicircular heads are provided at both ends of the cloth guide plate 4 to prevent scratches on the cloth. A threaded hole that runs through the front and back is provided at the center of the semicircular head at the left end of the cloth guide plate 4, which is convenient for the guide adjustment rod 3 to be installed through threads.

[0029] Among them, a tensioning adjustment rod 5 in the left and right directions is installed between the supporting vertical plates of the tensioning supporting plate 2 through bearings, which is convenient for the tensioning adjustment rod 5 to rotate. A thread is provided on the outer circumference of the tensioning adjustment rod 5, which is convenient for the tensioning movable plate 6 to be installed through the thread. Fixed columns are provided on the left and right end faces of the tensioning adjustment rod 5, which is convenient for installation through bearings. A regular hexagonal prism is provided on the outer end face of the fixed column at the right end of the tensioning adjustment rod 5, which is convenient for rotation and adjustment through tools. A tensioning movable plate 6 in the up and down directions is installed on the outer circumference of the tensioning adjustment rod 5 through threads, which is convenient for the tensioning movable plate 6 to move left and right through threaded engagement. A threaded hole that runs through left and right is provided at the bottom of the tensioning movable plate 6, which is convenient for the tensioning adjustment rod 5 to be installed through the thread. A bearing hole that runs through front and back is provided on the top of the tensioning movable plate 6, which is convenient for the cloth tensioning roller 7 is installed through bearings, and a cloth tensioning roller 7 in the front-to-back direction is installed through the bearing at the rear of the bearing hole of the tensioning movable plate 6, which is convenient for the cloth tensioning roller 7 to rotate, and spacer columns are provided on the front and rear end surfaces of the cloth tensioning roller 7, which is convenient for spacing with the tensioning movable plate 6 and the supporting movable plate 8. A fixed column is provided on the outer end surface of the spacer column of the cloth tensioning roller 7, which is convenient for the tensioning movable plate 6 and the supporting movable plate 8 to be installed through bearings, and a supporting movable plate 8 in the upper and lower directions is installed on the fixed column behind the cloth tensioning roller 7 through a bearing, which is convenient for supporting the end of the cloth tensioning roller 7, and a bearing hole that runs through the front and rear is opened on the upper part of the supporting movable plate 8, which is convenient for the cloth tensioning roller 7 to be installed through the bearing, and the lower end of the supporting movable plate 8 is inserted into the strip groove of the tensioning bearing plate 2, which is convenient for guiding the movement of the supporting movable plate 8.

[0030] The specific usage and function of this embodiment are as follows:

[0031] When the cloth tensioning roller 7 is moved left and right for adjustment, the tensioning adjusting rod 5 is rotated by the tool to threadably engage with the cloth guide plate 4, so that the cloth guide plate 4 can be synchronously moved inside and outside for adjustment by thread engagement. When the cloth tensioning roller 7 is moved left and right for adjustment, the tensioning adjusting rod 5 is threadably engaged with the tensioning movable plate 6, so that the tensioning movable plate 6 can be moved left and right by thread engagement, and the cloth tensioning roller 7 is driven to move left and right synchronously by the tensioning movable plate 6, and the supporting movable plate 8 is driven to move left and right synchronously along the strip groove of the tensioning bearing plate 2 by the cloth tensioning roller 7, and when the cloth tensioning roller 7 moves to the left, the cloth tensioning force becomes larger, and when the cloth tensioning roller 7 moves to the right, the cloth tensioning force becomes smaller, thereby realizing the adjustment of the cloth tensioning force by the left and right movement of the cloth tensioning roller 7.

[0032] Embodiment 2:

[0033] The difference from the first embodiment is that the regular hexagonal prism of the guide adjustment rod 3 can also be set as a regular heptagonal prism, so that the guide adjustment rod 3 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff from rotating and adjusting the guide adjustment rod 3.

[0034] Embodiment three:

[0035] The difference from the first embodiment is that the regular hexagonal prism of the tensioning adjustment rod 5 can also be set as a regular heptagonal prism, so that the tensioning adjustment rod 5 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff from rotating and adjusting the tensioning adjustment rod 5.

Claims

1. A tensioning mechanism for an air jet loom, characterized in that: The invention comprises a mechanism body (1); the mechanism body (1) is provided with a tensioning bearing plate (2); a bearing vertical plate with left and right through holes is provided on both the left and right sides in front of the top end surface of the tensioning bearing plate (2); a fixed vertical plate with front and rear through holes is provided on the front and rear left ends of the top end surface of the tensioning bearing plate (2); a strip groove in the left and right directions is provided on the rear of the top end surface of the tensioning bearing plate (2); a guide adjustment rod (3) is installed between the fixed vertical plates of the tensioning bearing plate (2) through a bearing; threads with opposite rotation directions are provided on the front and rear outer circumferences of the guide adjustment rod (3); fixed columns are provided on the front and rear end surfaces of the guide adjustment rod (3); a regular hexagonal prism is provided on the outer end surface of the fixed column of the guide adjustment rod (3); a cloth guide plate (4) is installed on both the front and rear sides of the outer circumference of the guide adjustment rod (3); semicircular heads are provided at both ends of the cloth guide plate (4); a threaded hole that penetrates front and rear is provided at the center of the semicircular head at the left end of the cloth guide plate (4).

2. A tensioning mechanism for an air jet loom as claimed in claim 1, characterized in that: A tensioning adjustment rod (5) is installed between the supporting upright plates of the tensioning supporting plate (2) via a bearing, and a thread is provided on the outer circumference of the tensioning adjustment rod (5).

3. A tensioning mechanism for an air jet loom as claimed in claim 2, characterized in that: The left and right end surfaces of the tensioning and adjusting rod (5) are both provided with fixing columns, and the outer end surface of the fixing column at the right end of the tensioning and adjusting rod (5) is provided with a regular hexagonal prism.

4. A tensioning mechanism for an air jet loom as claimed in claim 3, characterized in that: A tensioning movable plate (6) is installed on the outer circumference of the tensioning adjustment rod (5) via threads, and a threaded hole penetrating left and right is provided at the bottom of the tensioning movable plate (6).

5. A tensioning mechanism for an air jet loom as claimed in claim 4, characterized in that: A bearing hole is provided on the top of the tensioning movable plate (6) and runs through the front and back.

6. A tensioning mechanism for an air jet loom as claimed in claim 5, characterized in that: A cloth tensioning roller (7) is installed at the rear of the bearing hole of the tensioning movable plate (6) through a bearing, and the front and rear end surfaces of the cloth tensioning roller (7) are both provided with spacer columns, and the outer end surface of the spacer column of the cloth tensioning roller (7) is provided with a fixing column.

7. A tensioning mechanism for an air jet loom as claimed in claim 6, characterized in that: A supporting movable plate (8) is mounted on the fixed column behind the cloth tensioning roller (7) via a bearing, a bearing hole penetrating front and rear is provided on the upper part of the supporting movable plate (8), and the lower end of the supporting movable plate (8) is inserted into the strip groove of the tensioning bearing plate (2).

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