Trimming positioning device of air jet loom

Abstract

The utility model belongs to the technical field of air-jet looms, and particularly relates to an air-jet loom trimming positioning device which comprises a positioning fixing frame. The inner side wall of the positioning fixing frame is in sliding fit with a sliding block. A pair of sliding blocks are symmetrically arranged on the inner side wall of the positioning fixing frame; the middle of the sliding block is in threaded connection with an adjusting lead screw. The bottom of the adjusting lead screw is rotationally connected with a clamping block. The bottom of the positioning fixing frame is fixedly connected with a base; a plurality of groups of bases are symmetrically arranged at the bottom of the positioning fixing frame; a clamping assembly is arranged in the clamping block; in the step, the fabric to be trimmed is positioned in the clamping block and trimmed by arranging the positioning fixing frame, the sliding block, the adjusting lead screw, the clamping block and the base, so that the adjustability of the device is improved, the adaptability of the device in use is improved, the operation steps are simplified, and the efficiency of trimming operation of the air jet loom is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air jet looms, in particular to an edge trimming positioning device 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. It can be used for the production of plain and textured fabrics, fine and high-density fabrics and large batches of fabrics.

[0003] When air jet looms are weaving fabrics, the fabrics need to be trimmed, and a trimming positioning device is usually used for trimming the fabrics. The trimming positioning device of the air jet loom is an important process link to ensure that the edges of the fabrics are neat and without deviation. The accuracy of trimming positioning directly affects the appearance and quality of the fabrics. In the existing air jet loom trimming positioning technology, the fixed trimming positioning device needs to be replaced with different trimming positioning devices when cutting fabrics of different sizes. The steps are cumbersome, which in turn affects the speed and efficiency of the air jet loom when weaving.

[0004] To this end, the utility model provides an edge trimming positioning device for an air jet loom. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an edge trimming positioning device for an air jet loom, comprising a positioning and fixing frame; a slider is slidably matched on the inner side wall of the positioning and fixing frame; a pair of sliders are arranged on the inner side wall of the positioning and fixing frame, and are symmetrically arranged; an adjusting screw is threadedly connected to the middle part of the slider; a clamping block is rotatably connected to the bottom of the adjusting screw; a base is fixedly connected to the bottom of the positioning and fixing frame; a plurality of groups of bases are arranged at the bottom of the positioning and fixing frame, and are symmetrically arranged; a clamping assembly is arranged inside the clamping block; this step positions the fabric to be trimmed in the clamping block and performs edge trimming through the arrangement of the positioning and fixing frame, the slider, the adjusting screw, the clamping block, and the base, thereby improving the adjustability of the device, increasing the adaptability of the device when used, simplifying the operating steps, and improving the efficiency of the edge trimming operation of the air jet loom.

[0007] Preferably, the clamping assembly includes a guide rod, a pressure wheel, and a first spring; the guide rod is slidably fitted in the middle of the clamping block; a pair of guide rods are arranged in the middle of the clamping block and are symmetrically arranged; the pressure wheel is fixedly connected to the end of the guide rod; the first spring is sleeved on the outer wall of the guide rod away from the clamping block; one end of the first spring is fixedly connected to the end of the clamping block; the other end of the first spring is fixedly connected to the end of the guide rod; the pair of pressure wheels maintain contact; this step clamps the fabric in a tensioned state through the arrangement of the guide rod, the pressure wheel, and the first spring, thereby improving the stability of the fabric during movement, reducing the slack of the fabric during edge cutting and thus causing edge cutting failure, and improving the quality of edge cutting.

[0008] Preferably, the top of the adjusting screw rod is fixedly connected to a first fixing plate; a pair of inner side walls of the first fixing plate are fixedly connected to a telescopic connecting rod; in this step, through the setting of the first fixing plate and the telescopic connecting rod, the position of the clamping block can be adjusted at the same time, thereby increasing the adjustability of the device when in use and improving the convenience of adjusting the clamping block.

[0009] Preferably, the side wall of the positioning fixing frame is hinged with a second fixing plate; an air nozzle is provided in the middle of the second fixing plate; the air nozzles are arranged in multiple groups in the middle of the second fixing plate and are evenly distributed in the middle of the second fixing plate; in this step, dust or foreign matter on the surface of the fabric is blown off through the setting of the second fixing plate and the air nozzle, thereby improving the cleanliness of the fabric surface.

[0010] Preferably, a push rod is provided in the middle of the base; the push rods are arranged in multiple groups in the middle of the base and are symmetrically arranged; a suction cup is fixedly connected to the bottom of the push rod; a second spring is sleeved on the outer wall of the push rod away from the suction cup; one end of the second spring is fixedly connected to the top of the base; the other end of the second spring is fixedly connected to the top of the push rod; in this step, the positioning fixing frame is fixed to the air-jet loom through the arrangement of the push rod, the suction cup and the second spring, so as to improve the stability of the device during use and reduce the possibility of the device falling off.

[0011] Preferably, pads are fixedly connected to the bottom of the base; multiple groups of pads are arranged at the bottom of the base and are evenly distributed at the bottom of the base; this step reduces the impact of external vibrations on the device through the arrangement of the pads, thereby improving the stability of the device during use.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model discloses a device for positioning edge trimming of an air jet loom. By arranging a positioning fixing frame, a slider, an adjusting screw rod, a clamping block and a base, the fabric to be edge trimmed is positioned in the clamping block and edge trimming is performed. This improves the adjustability of the device, increases the adaptability of the device when in use, simplifies the operating steps, and improves the efficiency of the edge trimming operation of the air jet loom.

[0014] 2. The utility model describes an edge trimming positioning device for a jet loom, which clamps the fabric in a tensioned state by means of a guide rod, a pressure wheel and a first spring, thereby improving the stability of the fabric when it moves, reducing the situation in which the fabric is loosened during edge trimming and thus causing edge trimming failure, and improving the quality of edge trimming. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the clamping block and the pressure wheel in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the telescopic connecting rod and the sliding block in the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the cooperation between the top rod and the base in the utility model;

[0020] In the figure: 1. positioning fixing frame; 11. sliding block; 12. adjusting screw rod; 13. clamping block; 14. base; 2. guide rod; 21. pressure wheel; 22. first spring; 3. first fixing plate; 31. telescopic connecting rod; 4. second fixing plate; 41. air nozzle; 5. ejector rod; 51. suction cup; 52. second spring; 6. cushion block. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 3As shown, a trimming positioning device for an air jet loom described in an embodiment of the utility model comprises a positioning fixing frame 1; a slider 11 is slidably matched on the inner side wall of the positioning fixing frame 1; a pair of sliders 11 are arranged on the inner side wall of the positioning fixing frame 1, and are symmetrically arranged; an adjusting screw 12 is threadedly connected to the middle of the slider 11; a clamping block 13 is rotatably connected to the bottom of the adjusting screw 12; a base 14 is fixedly connected to the bottom of the positioning fixing frame 1; a plurality of groups of the base 14 are arranged at the bottom of the positioning fixing frame 1, and are symmetrically arranged; a clamping assembly is arranged inside the clamping block 13; during operation, the positioning fixing frame 1 is placed on the air jet loom, and the fixing assembly on the air jet loom is used to fix the positioning fixing frame 1. The positioning and fixing frame 1 is fixed, the slider 11 is moved to a suitable position and fixed, the adjusting screw rod 12 is turned to adjust the height of the clamping block 13, the fabric is passed through the clamping block 13, and the fabric is clamped in the clamping block 13 by the clamping assembly. The winding device on the air jet loom drives the fabric to move, and the cutting knife on the air jet loom performs edge trimming on the fabric; in this step, the fabric to be trimmed is positioned in the clamping block 13 and trimmed by setting the positioning and fixing frame 1, the slider 11, the adjusting screw rod 12, the clamping block 13, and the base 14, thereby improving the adjustability of the device, increasing the adaptability of the device when used, simplifying the operating steps, and improving the efficiency of the edge trimming operation of the air jet loom.

[0023] like Figure 2 and Figure 3 As shown, the clamping assembly includes a guide rod 2, a pressure wheel 21, and a first spring 22; the guide rod 2 is slidably matched in the middle of the clamping block 13; a pair of guide rods 2 are arranged in the middle of the clamping block 13, and are symmetrically arranged; the pressure wheel 21 is fixedly connected to the end of the guide rod 2; the first spring 22 is sleeved on the outer side wall of the guide rod 2 away from the clamping block 13; one end of the first spring 22 is fixedly connected to the end of the clamping block 13; the other end of the first spring 22 is fixedly connected to the end of the guide rod 2; a pair of pressure wheels 21 maintain contact; during operation, the pair of guide rods 2 are pulled away from each other and the first spring 22 is compressed, and the fabric to be trimmed is placed between the pair of pressure wheels 21. When the fabric moves, the pressure wheel 21 clamps the fabric so that the fabric is in a tensioned state during trimming; in this step, the fabric is clamped and placed in a tensioned state through the arrangement of the guide rod 2, the pressure wheel 21, and the first spring 22, thereby improving the stability of the fabric during movement, reducing the situation where the fabric is loose during trimming and thus causing trimming failure, and improving the quality of trimming.

[0024] like Figure 1 and Figure 3As shown, the top of the adjusting screw rod 12 is fixedly connected to a first fixing plate 3; a pair of inner side walls of the first fixing plate 3 are fixedly connected to a telescopic connecting rod 31; during operation, the telescopic connecting rod 31 connects a pair of clamping blocks 13, and the length of the telescopic connecting rod 31 is adjusted to a suitable position and locked, and the position of the clamping block 13 can be adjusted at the same time; this step enables the position of the clamping block 13 to be adjusted at the same time through the setting of the first fixing plate 3 and the telescopic connecting rod 31, thereby increasing the adjustability of the device when in use and improving the convenience of adjusting the clamping block 13.

[0025] like Figure 1 and Figure 4 As shown, the side wall of the positioning and fixing frame 1 is hinged with a second fixing plate 4; an air nozzle 41 is provided in the middle of the second fixing plate 4; multiple groups of the air nozzles 41 are arranged in the middle of the second fixing plate 4 and are evenly distributed in the middle of the second fixing plate 4; during operation, the second fixing plate 4 is rotated to a suitable position, and the air nozzle 41 is connected to compressed air to blow off the dust or foreign matter on the surface of the fabric; in this step, the dust or foreign matter on the surface of the fabric is blown off by the arrangement of the second fixing plate 4 and the air nozzle 41, thereby improving the cleanliness of the fabric surface.

[0026] like Figure 1 and Figure 4 As shown, a push rod 5 is provided in the middle of the base 14; the push rod 5 is arranged in multiple groups in the middle of the base 14 and is symmetrically arranged; a suction cup 51 is fixedly connected to the bottom of the push rod 5; a second spring 52 is sleeved on the outer wall of the push rod 5 away from the suction cup 51; one end of the second spring 52 is fixedly connected to the top of the base 14; the other end of the second spring 52 is fixedly connected to the top of the push rod 5; during operation, when the base 14 is placed on the air-jet loom, the second spring 52 contacts and adsorbs the air-jet loom, and the suction cup 51 is stretched. When the positioning fixing frame 1 is removed, the suction cup 51 drives the push rod 5 and the second spring 52 to reset; in this step, the positioning fixing frame 1 is fixed to the air-jet loom through the arrangement of the push rod 5, the suction cup 51 and the second spring 52, so as to improve the stability of the device during use and reduce the possibility of the device falling off.

[0027] like Figure 1 As shown, a cushion block 6 is fixedly connected to the bottom of the base 14; a plurality of cushion blocks 6 are arranged at the bottom of the base 14 and are evenly distributed at the bottom of the base 14; during operation, when the base 14 contacts the jet loom, the cushion blocks 6 reduce the influence of external vibration on the positioning fixing frame 1; this step reduces the influence of external vibration on the device by setting the cushion blocks 6, thereby improving the stability of the device during use.

[0028] like Figure 1 As shown, a fixing bolt is provided in the middle of the base 14; during operation, when the base 14 contacts the air jet loom, the positioning fixing frame 1 is fixed to the air jet loom through the fixing bolt in the middle of the base 14, thereby improving the stability of the device during operation.

[0029] During operation, the positioning and fixing frame 1 is placed on the air jet loom, and the positioning and fixing frame 1 is fixed by the fixing assembly on the air jet loom, the slider 11 is moved to a suitable position and fixed, the adjusting screw rod 12 is turned to adjust the height of the clamping block 13, the fabric is passed through the clamping block 13, and the fabric is clamped in the clamping block 13 by the clamping assembly, the winding device on the air jet loom drives the fabric to move, and the cutting knife on the air jet loom performs edge trimming on the fabric; a pair of guide rods 2 are pulled away from each other, and the first spring 22 is compressed, and the fabric to be trimmed is placed between a pair of pressing wheels 21, and the pressing wheels 21 clamp the fabric when the fabric moves, so that the fabric is trimmed. The telescopic connecting rod 31 connects a pair of clamping blocks 13, and the length of the telescopic connecting rod 31 is adjusted to a suitable position and locked, and the position of the clamping block 13 can be adjusted at the same time; the second fixing plate 4 is rotated to a suitable position, and the air nozzle 41 is connected to compressed air to blow off dust or foreign matter on the surface of the fabric; when the base 14 is placed on the air jet loom, the second spring 52 contacts and adsorbs the air jet loom, and the suction cup 51 is stretched. When the positioning fixing frame 1 is removed, the suction cup 51 drives the top rod 5 and the second spring 52 to reset; when the base 14 contacts the air jet loom, the cushion block 6 reduces the influence of external vibration on the positioning fixing frame 1.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A trimming positioning device for an air jet loom, comprising a positioning fixing frame (1); characterized in that: The inner wall of the positioning fixing frame (1) is slidably matched with a slider (11); a pair of the sliders (11) are arranged on the inner wall of the positioning fixing frame (1) and are symmetrically arranged; an adjusting screw rod (12) is threadedly connected to the middle of the slider (11); a clamping block (13) is rotatably connected to the bottom of the adjusting screw rod (12); a base (14) is fixedly connected to the bottom of the positioning fixing frame (1); a plurality of groups of the bases (14) are arranged on the bottom of the positioning fixing frame (1) and are symmetrically arranged; a clamping assembly is arranged inside the clamping block (13).

2. The edge trimming positioning device of an air jet loom according to claim 1, characterized in that: The clamping assembly comprises a guide rod (2), a pressure wheel (21), and a first spring (22); the guide rod (2) is slidably matched in the middle of the clamping block (13); a pair of guide rods (2) are arranged in the middle of the clamping block (13), and are symmetrically arranged; the pressure wheel (21) is fixedly connected to the end of the guide rod (2); the first spring (22) is sleeved on the outer wall of the guide rod (2) away from the clamping block (13); one end of the first spring (22) is fixedly connected to the end of the clamping block (13); the other end of the first spring (22) is fixedly connected to the end of the guide rod (2); and the pair of pressure wheels (21) maintain contact.

3. The edge trimming positioning device of an air jet loom according to claim 2, characterized in that: The top of the adjusting screw rod (12) is fixedly connected to a first fixing plate (3); a pair of inner side walls of the first fixing plate (3) are fixedly connected to telescopic connecting rods (31).

4. The edge trimming positioning device of an air jet loom according to claim 3, characterized in that: The side wall of the positioning fixing frame (1) is hingedly connected with a second fixing plate (4); an air nozzle (41) is provided in the middle of the second fixing plate (4); a plurality of groups of the air nozzles (41) are arranged in the middle of the second fixing plate (4) and are evenly distributed in the middle of the second fixing plate (4).

5. The edge trimming positioning device of an air jet loom according to claim 4, characterized in that: A push rod (5) is provided in the middle of the base (14); a plurality of push rods (5) are provided in the middle of the base (14) and are symmetrically arranged; a suction cup (51) is fixedly connected to the bottom of the push rod (5); a second spring (52) is sleeved on the outer wall of the push rod (5) away from the suction cup (51); one end of the second spring (52) is fixedly connected to the top of the base (14); and the other end of the second spring (52) is fixedly connected to the top of the push rod (5).

6. The edge trimming positioning device of an air jet loom according to claim 5, characterized in that: A cushion block (6) is fixedly connected to the bottom of the base (14); a plurality of groups of the cushion blocks (6) are arranged at the bottom of the base (14) and are evenly distributed at the bottom of the base (14).

Images