Guide roller replacing mechanism for air jet loom

Abstract

The utility model discloses a guide roller replacing mechanism for an air jet loom, which comprises the air jet loom, a guide roller assembly is arranged in the air jet loom, the guide roller assembly comprises a guide roller body, outer taper holes, inner limiting holes, outer limiting holes and a limiting assembly, the outer taper holes are arranged on the left and right side walls of the guide roller body, and the inner limiting holes are arranged on the inner limiting holes. An inner limiting hole is formed in the guide roller body, and outer limiting holes are formed in the left end face and the right end face of the guide roller body. By means of the structure, when the guide roller needs to be replaced, the electric rods on the two sides are started, the fixing heads are moved away from the two sides of the guide roller so as to be separated from the guide roller, after replacement, the fixing heads stretch into the outer conical holes in the two sides, the air bag is inflated, the air bag is expanded, then the inner limiting blocks are jacked up and clamped into the inner limiting holes, and the outer limiting blocks are clamped into the outer limiting holes; the guide roller fixing device is stable in structure and convenient to disassemble and assemble, and the replacement efficiency of the guide roller is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of air-jet fabric technology machines, in particular to a guide roller replacement mechanism for an air-jet loom. Background Art

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

[0003] In the prior art, air jet looms are all equipped with guide rollers for limiting the position of the fabric. The guide rollers of traditional air jet looms are fixed to the loom by bolts. In this way, when replacing the guide rollers, all the bolts need to be removed before replacement, which is very cumbersome and has low replacement efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a guide roller replacement mechanism for an air jet loom. When the guide roller needs to be replaced, the electric rods on both sides are started to move the fixed head away from the two sides of the guide roller, thereby separating from the guide roller. After replacement, the fixed head is inserted into the outer conical holes on both sides, and the airbag is inflated to expand the inner limit block, which is then lifted up and inserted into the inner limit hole, and the outer limit block is inserted into the outer limit hole, thus completing the fixation of the guide roller. The structure is stable, and disassembly and assembly are convenient, thereby greatly improving the efficiency of guide roller replacement.

[0005] To achieve the above-mentioned purpose, a guide roller replacement mechanism for an air jet loom is provided, comprising: an air jet loom, a guide roller assembly is arranged inside the air jet loom, the guide roller assembly comprises a guide roller body, an outer tapered hole, an inner limit hole, an outer limit hole and a limit assembly, the left and right side walls of the guide roller body are provided with an outer tapered hole, the interior of the guide roller body is provided with an inner limit hole, the left and right end surfaces of the guide roller body are provided with outer limit holes, and the left and right sides of the guide roller body are provided with limit assemblies, the limit assembly comprises a rotating plate, a sleeve, an electric rod, a fixed head, an inner tapered hole, an inner limit groove, a rotating shaft, an inner limit block, an airbag, an air pipe, an air valve and an outer limit block, the right side wall of the rotating plate is fixedly connected with a sleeve and an electric rod, the sleeve is a foldable tube, the number of the electric rods There are multiple sets of them, and they are evenly distributed on the outside of the sleeve. A fixed head is fixedly connected to the right side wall of the electric rod, and the fixed head is conical. An inner conical hole is provided inside the fixed head, and an inner limit groove is provided on the conical surface of the fixed head. A rotating shaft is fixedly connected to the inside of the inner limit groove, and an inner limit block is rotatably connected to the circumferential surface of the rotating shaft. There are multiple sets of inner conical holes, inner limit grooves, rotating shafts and inner limit blocks. An airbag is provided inside the fixed head, and the airbag is conical. An air pipe is fixedly connected to the left side wall of the airbag, and an air valve is fixedly connected to the left side of the air pipe through the rotating plate. An outer limit block is fixedly connected to the circumferential surface of the fixed head. There are multiple sets of outer limit blocks, and they are evenly distributed on the fixed head.

[0006] According to the guide roller replacement mechanism for an air-jet loom, the number of the outer tapered holes is set to two and is symmetrically distributed on the guide roller body, the number of the inner limit holes is set to multiple and is evenly distributed on the conical surface of the outer tapered hole, and the number of the outer limit holes is set to multiple and is evenly distributed on the guide roller body.

[0007] According to the guide roller replacement mechanism for an air jet loom, two of the limiting assemblies are provided.

[0008] According to the guide roller replacement mechanism for an air jet loom, the inner limiting block, the inner limiting groove and the inner limiting hole are arranged correspondingly inside and outside.

[0009] According to the guide roller replacement mechanism for an air jet loom, the outer limiting block is clamped to the inside of the outer limiting hole.

[0010] According to the guide roller replacement mechanism for an air jet loom, the rotating plate is rotatably connected to the air jet loom.

[0011] The above scheme has the beneficial effects: by arranging the air-jet loom, the guide roller body, the outer tapered hole, the inner limit hole, the outer limit hole, the rotating plate, the sleeve, the electric rod, the fixed head, the inner tapered hole, the inner limit groove, the rotating shaft, the inner limit block, the air bag, the air pipe, the air valve and the outer limit block, when the guide roller needs to be replaced, the electric rods on both sides are started to move the fixed head away from the two sides of the guide roller, thereby separating it from the guide roller. After replacement, the fixed head is inserted into the outer tapered holes on both sides, the air bag is inflated to expand it, and then the inner limit block is lifted and inserted into the inner limit hole, and the outer limit block is inserted into the outer limit hole, thereby completing the fixation of the guide roller. The structure is stable and easy to disassemble and assemble, which greatly improves the efficiency of guide roller replacement.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0014] Figure 1 This is a front view of a guide roller replacement mechanism for an air jet loom according to the present invention;

[0015] Figure 2 This is a structural diagram of a guide roller assembly of a guide roller replacement mechanism for an air jet loom according to the present invention;

[0016] Figure 3 This is a cross-sectional view of a guide roller body of a guide roller replacement mechanism for an air jet loom according to the present invention;

[0017] Figure 4 The utility model is a cross-sectional view of a limiting component of a guide roller replacement mechanism for an air jet loom.

[0018] Legend:

[0019] 1. Air-jet loom; 2. Guide roller assembly; 201. Guide roller body; 202. Outer tapered hole; 203. Inner limit hole; 204. Outer limit hole; 205. Limit assembly; 206. Rotating plate; 207. Sleeve; 208. Electric rod; 209. Fixed head; 210. Inner tapered hole; 211. Inner limit groove; 212. Rotating shaft; 213. Inner limit block; 214. Air bag; 215. Air pipe; 216. Air valve; 217. Outer limit block. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0021] Reference Figure 1-4 , the utility model embodiment of a guide roller replacement mechanism for an air jet loom comprises: an air jet loom 1, a guide roller assembly 2 is arranged inside the air jet loom 1, the guide roller assembly 2 comprises a guide roller body 201, an outer tapered hole 202, an inner limiting hole 203, an outer limiting hole 204 and a limiting assembly 205, outer tapered holes 202 are arranged on the left and right side walls of the guide roller body 201, the number of the outer tapered holes 202 is provided with two, and they are symmetrically distributed on the guide roller body 201, the inner limiting hole 203 is provided inside the guide roller body 201, the number of the inner limiting holes 203 is provided with multiple, and they are evenly distributed on the conical surface of the outer tapered hole 202, the left and right end surfaces of the guide roller body 201 are provided with outer limiting holes 204, the number of the outer limiting holes 204 is provided with multiple, and they are evenly distributed on the guide roller body 201, and limiting assemblies 205 are provided on the left and right sides of the guide roller body 201, and the number of the limiting assemblies 205 is provided with two.

[0022] The limiting assembly 205 includes a rotating plate 206, a sleeve 207, an electric rod 208, a fixed head 209, an inner tapered hole 210, an inner limiting groove 211, a rotating shaft 212, an inner limiting block 213, an airbag 214, an air pipe 215, an air valve 216 and an outer limiting block 217. The rotating plate 206 is rotatably connected to the air jet loom 1. The sleeve 207 and the electric rod 208 are fixedly connected to the right side wall of the rotating plate 206. The sleeve 207 is a foldable tube. There are multiple electric rods 208 and they are evenly distributed on the outside of the sleeve 207. The right side wall of the electric rod 208 is fixedly connected to the fixed head 209. The fixed head 209 is conical. The inner tapered hole 210 is provided inside the fixed head 209. The inner limiting groove 211 is provided on the conical surface of the fixed head 209. The inner limiting groove 211 is fixedly connected to the rotating shaft 212. The rotating shaft 212 is rotatably connected to the circumferential surface of the rotating shaft The inner limit block 213 is connected, and the number of the inner tapered hole 210, the inner limit groove 211, the rotating shaft 212 and the inner limit block 213 are all provided. An air bag 214 is provided inside the fixed head 209. The air bag 214 is conical. An air pipe 215 is fixedly connected to the left side wall of the air bag 214. The left side of the air pipe 215 passes through the rotating plate 206 and is fixedly connected to the air valve 216. When the air bag 214 is inflated, the air bag 214 expands, and the inner limit block 213 is lifted up, so that it is stuck in the inner limit hole 203, so that the fixed head 209 is clamped with the guide roller body 201. An outer limit block 217 is fixedly connected to the circumferential surface of the fixed head 209. The number of the outer limit blocks 217 is provided, and is evenly distributed on the fixed head 209. The outer limit block 217 is clamped inside the outer limit hole 204, so as to further improve the stability of the fixed head 209 and the guide roller body 201.

[0023] The inner limiting block 213 , the inner limiting groove 211 and the inner limiting hole 203 are correspondingly arranged inside and outside.

[0024] Working principle: When the guide roller body 201 needs to be replaced, start the electric rods 208 on both sides to move the fixed head 209 away from the two sides of the guide roller body 201, thereby separating it from the guide roller body 201. After replacement, extend the fixed head 209 into the outer conical holes 202 on both sides, inflate the airbag 214 to expand it, and then lift the inner limit block 213 and insert it into the inner limit hole 203. The outer limit block 217 is inserted into the outer limit hole 204, thus completing the fixation of the guide roller body 201.

[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A guide roller replacement mechanism for an air jet loom, comprising: An air jet loom (1) is characterized in that a guide roller assembly (2) is provided inside the air jet loom (1), the guide roller assembly (2) comprising a guide roller body (201), an outer tapered hole (202), an inner limiting hole (203), an outer limiting hole (204) and a limiting assembly (205), the outer tapered hole (202) being provided on the left and right side walls of the guide roller body (201), the inner limiting hole (203) being provided inside the guide roller body (201), the outer limiting hole (204) being provided on the left and right end faces of the guide roller body (201), and the guide roller body (201) The left and right sides of the rotating plate (206) are provided with a limit assembly (205), the limit assembly (205) comprising a rotating plate (206), a sleeve (207), an electric rod (208), a fixed head (209), an inner tapered hole (210), an inner limit groove (211), a rotating shaft (212), an inner limit block (213), an air bag (214), an air pipe (215), an air valve (216) and an outer limit block (217), the right side wall of the rotating plate (206) is fixedly connected with a sleeve (207) and an electric rod (208), the sleeve (207) is a foldable tube, and the electric rod (208) is fixedly connected to the right side wall of the rotating plate (206). ) are provided in multiple numbers and are evenly distributed on the outside of the sleeve (207); a fixed head (209) is fixedly connected to the right side wall of the electric rod (208); the fixed head (209) is conical; an inner conical hole (210) is provided inside the fixed head (209); an inner limiting groove (211) is provided on the conical surface of the fixed head (209); a rotating shaft (212) is fixedly connected inside the inner limiting groove (211); an inner limiting block (213) is rotatably connected to the circumferential surface of the rotating shaft (212); the inner conical hole (210) and the inner limiting groove (211) are fixedly connected to the inner limiting groove (211); and an inner limiting block (213) is rotatably connected to the circumferential surface of the rotating shaft (212). 11), the number of the rotating shaft (212) and the inner limit block (213) are both provided in plurality, an air bag (214) is provided inside the fixed head (209), the air bag (214) is tapered, an air pipe (215) is fixedly connected to the left side wall of the air bag (214), the left side of the air pipe (215) passes through the rotating plate (206) and is fixedly connected to the air valve (216), an outer limit block (217) is fixedly connected to the circumferential surface of the fixed head (209), the number of the outer limit blocks (217) is provided in plurality and is evenly distributed on the fixed head (209).

2. The guide roller replacement mechanism for an air jet loom according to claim 1, characterized in that: There are two outer tapered holes (202) and they are symmetrically distributed on the guide roller body (201); there are multiple inner limit holes (203) and they are evenly distributed on the conical surface of the outer tapered hole (202); there are multiple outer limit holes (204) and they are evenly distributed on the guide roller body (201).

3. The guide roller replacement mechanism for an air jet loom according to claim 1, characterized in that: The number of the limiting components (205) is two.

4. The guide roller replacement mechanism for an air jet loom according to claim 1, characterized in that: The inner limiting block (213), the inner limiting groove (211) and the inner limiting hole (203) are arranged correspondingly inside and outside.

5. The guide roller replacement mechanism for an air jet loom according to claim 1, characterized in that: The outer limiting block (217) is snap-connected to the interior of the outer limiting hole (204).

6. The guide roller replacement mechanism for an air jet loom according to claim 1, characterized in that: The rotating plate (206) is rotatably connected to the air jet loom (1).

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