Rapier head for weft insertion of rapier loom
By designing protective components and a ball bearing chamber structure in the rapier head for weft insertion in rapier looms, the problems of rapid ball wear and inconvenient replacement are solved, achieving the effects of reduced friction and convenient replacement.
Patent Information
- Application Number
- CN202422911402.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The ball bearings in the rapier head of the existing rapier loom wear out quickly and are inconvenient to replace.
A rapier head for weft insertion in a rapier loom is designed, employing a first protective component and a second protective component, which respectively include a first ball bearing body and a second ball bearing body. A ball bearing chamber is formed by setting semi-circular grooves on the base plate and the cover plate, and a magnetic plate is used to prevent the balls from falling out, making replacement convenient.
It effectively reduces friction on the rapier head, extends service life, and simplifies the ball replacement process.
Smart Images

Figure CN223907051U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rapier head for weft insertion of a rapier loom and belongs to the technical field of textile devices. BACKGROUND
[0002] The rapier loom is a new type of loom with early maturity, simple structure and wide adaptability in weaving production of the textile industry, and the rapier head is one of the key components of the rapier loom. During work, the rapier head will shuttle at high speed on the rapier loom, which is prone to wear. In view of this problem, the existing part of the rapier loom has been improved.
[0003] For example, a rapier head for weft insertion of a rapier loom is disclosed in Chinese patent CN214992157U. This rapier head has a ball seat and a ball arranged on the side surface of the protection block and the side strip, which converts the sliding friction of the original rapier head into rolling friction when moving. Not only does it reduce the friction of the rapier head, but it also effectively prevents the side surface of the protection block and the side strip from directly contacting the rapier loom, reducing the wear of the protection block and the side strip. However, this rapier head has a relatively fast wear rate of the balls. When a single ball is severely worn and needs to be replaced, the replacement of the balls is relatively troublesome. Therefore, the utility model provides a rapier head for weft insertion of a rapier loom to solve this problem. SUMMARY
[0004] Based on the above background, the purpose of the utility model is to provide a rapier head for weft insertion of a rapier loom to solve the problems in the background art.
[0005] The utility model provides the following technical scheme:
[0006] A rapier head for weft insertion of a rapier loom, comprising a rapier head body, a side groove and a mounting groove are formed on the side surface of the rapier head body, a first protection assembly is installed in the side groove, a second protection assembly is installed in the mounting groove, a sliding groove is formed on the side surface of the bottom and top of the side groove, a first positioning mechanism is slidingly connected in the sliding groove, the first positioning mechanism is fixedly connected with the first protection assembly, an embedding groove is formed on the left and right side walls of the mounting groove, a second positioning mechanism is slidingly connected in the embedding groove, the second positioning mechanism is fixedly connected with the second protection assembly, a counterbore is formed on the front end surface of the rapier head body, the counterbore penetrates the embedding groove on the left side wall of the mounting groove, a fixed bolt is threadedly connected in the counterbore, and the shank part of the fixed bolt penetrates the second positioning mechanism.
[0007] As preferred, the first protection assembly comprises a bottom plate, a first magnetic plate is mounted in the bottom plate, a plurality of first semicircular grooves are arranged on the front end surface of the bottom plate at equal intervals, a first cover plate is arranged on the front end of the bottom plate, a plurality of second semicircular grooves are arranged on the end surface of the first cover plate close to the bottom plate at equal intervals, the second semicircular grooves penetrate through the front end surface of the first cover plate, the first semicircular grooves and the second semicircular grooves form a first ball chamber, and a first ball body is arranged in the first ball chamber.
[0008] As preferred, the first positioning mechanism comprises a group of first positioning plates and a group of second positioning plates, the first positioning plates are fixedly connected to the top and bottom of the bottom plate respectively, the second positioning plates are fixedly connected to the top and bottom of the first cover plate respectively, and the thicknesses of the first positioning plates and the second positioning plates are equal to the thickness of the sliding groove.
[0009] As preferred, the second protection assembly comprises a protection plate, a second magnetic plate is arranged in the protection plate, a plurality of third semicircular grooves are arranged on the front end surface of the protection plate at equal intervals, a second cover plate is arranged on the front end surface of the protection plate, a plurality of fourth semicircular grooves are arranged on the end surface of the second cover plate close to the protection plate at equal intervals, the fourth semicircular grooves penetrate through the front end surface of the second cover plate, the third semicircular grooves and the fourth semicircular grooves form a second ball chamber, and a second ball body is arranged in the second ball chamber.
[0010] As preferred, the second positioning mechanism comprises a group of third positioning plates and a group of fourth positioning plates, the third positioning plates are fixedly connected to the side walls on the left and right sides of the protection plate respectively, the fourth positioning plates are fixedly connected to the side walls on the left and right sides of the second cover plate respectively, the thicknesses of the third positioning plates and the fourth positioning plates are equal to the thickness of the embedding groove, through holes are arranged on the third positioning plates and the fourth positioning plates on the left side walls of the protection plate and the second cover plate, the through holes are coaxial with the counterbores, and the screw rods of the fixing bolts pass through the through holes.
[0011] Compared with the prior art, the utility model has the following advantages:
[0012] The first ball body and the second ball body in the first protection assembly and the second protection assembly can greatly prevent friction of the rapier head body during work, enhance the service life of the rapier head body, and when any one of the plurality of first ball bodies and the plurality of second ball bodies is seriously worn, the seriously worn first ball body or second ball body is more convenient to replace.
[0013] The utility model discloses a sword rod head for weft insertion of a sword rod loom, through setting up first semicircular groove and second semicircular groove on the bottom plate and first cover plate and constituting first ball chamber, can be used for placing first ball body, through uncovering first cover plate, can replace first ball body, through setting up first magnetic plate, when replacing first ball body, can prevent uncovering first ball body from falling from first semicircular groove, make the replacement of first ball more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to make the technical scheme of the embodiments of the utility model or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the following description drawings are only the embodiment of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to the provided drawings without paying the creative labor.
[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0016] Figure 2 It is the sword rod head body structure schematic diagram of the utility model;
[0017] Figure 3 It is the bottom plate structure schematic diagram of the utility model;
[0018] Figure 4 It is the first cover plate structure schematic diagram of the utility model;
[0019] Figure 5 It is the protection plate structure schematic diagram of the utility model;
[0020] Figure 6 It is the second cover plate structure schematic diagram of the utility model.
[0021] In the drawing: 1, sword rod head body;2, side groove;3, installation groove;4, sliding slot;5, embedding groove;6, counterbore;7, fixed bolt;8, bottom plate;9, first magnetic plate;10, first semicircular groove;11, first cover plate;12, second semicircular groove;13, first ball body;14, first positioning plate;15, second positioning plate;16, protection plate;17, second magnetic plate;18, third semicircular groove;19, second cover plate;20, fourth semicircular groove;21, second ball body;22, third positioning plate;23, fourth positioning plate;24, through -hole. DETAILED DESCRIPTION
[0022] The technical solutions of the present application will be further described in detail below with specific examples and in conjunction with the drawings. It should be understood that the implementation of the present application is not limited to the following examples, and any form of modification and / or change made to the present application will fall within the scope of the present application.
[0023] In the present application, all the parts and percentages are weight units, and the equipment and raw materials used can be purchased from the market or commonly used in the art. Unless otherwise specified, the methods used in the following examples are conventional methods in the art. Unless otherwise specified, the components or equipment used in the following examples are general standard components or components known to those skilled in the art, and their structure and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.
[0024] The embodiments of the present application will be described in detail below in conjunction with the drawings. In the following detailed description, many specific details are set forth in order to provide a thorough understanding of the embodiments of the present application. However, one or more embodiments can be implemented without these specific details by those skilled in the art.
[0025] As shown in Figures 1-6 A rapier head for weft insertion of a rapier loom, comprising a rapier head body 1, a side groove 2 and a mounting groove 3 are formed on the side surface of the rapier head body 1, a first protection assembly is mounted in the side groove 2, a second protection assembly is mounted in the mounting groove 3, a sliding groove 4 is formed on the bottom and the top side surface of the side groove 2, a first positioning mechanism is slidably connected in the sliding groove 4, the first positioning mechanism is fixedly connected with the first protection assembly, an embedding groove 5 is formed on the left and right side walls of the mounting groove 3, a second positioning mechanism is slidably connected in the embedding groove 5, the second positioning mechanism is fixedly connected with the second protection assembly, a counterbore 6 is formed on the front end surface of the rapier head body 1, the counterbore 6 penetrates the embedding groove 5 on the left side wall of the mounting groove 3, a fixing bolt 7 is threadedly connected in the counterbore 6, and the shank portion of the fixing bolt 7 penetrates the second positioning mechanism.
[0026] In the above technical solution, by setting the first protection assembly and the second protection assembly, the first ball body 13 and the second ball body 21 in the first protection assembly and the second protection assembly can greatly prevent friction during the operation of the rapier head body 1, and the service life of the rapier head body 1 is enhanced. At the same time, the first ball body 13 and the second ball body 21 are respectively arranged in the first protection assembly and the second protection assembly, and when any one of the plurality of first ball bodies 13 and the plurality of second ball bodies 21 is severely worn, the replacement of the severely worn first ball body 13 or second ball body 21 is more convenient.
[0027] In the utility model, the first protection assembly includes bottom plate 8, first magnetic plate 9 is installed in bottom plate 8, a plurality of first semicircular grooves 10 that are equidistantly distributed are formed on the front end face of bottom plate 8, the first cover plate 11 is covered on the front end of bottom plate 8, a plurality of second semicircular grooves 12 that are equidistantly distributed are formed on the end face of the one end of first cover plate 11 close to bottom plate 8, the second semicircular groove 12 penetrates the front end face of first cover plate 11, the first semicircular groove 10 and second semicircular groove 12 constitute first ball chamber, and first ball body 13 is placed in first ball chamber.
[0028] In the above technical scheme, by forming first semicircular groove 10 and second semicircular groove 12 on bottom plate 8 and first cover plate 11 and constituting first ball chamber, first ball body 13 can be placed, by lifting first cover plate 11, first ball body 13 can be replaced, by arranging first magnetic plate 9, when replacing first ball body 13, first ball body 13 can be prevented from falling from first semicircular groove 10 when lifting, so that the replacement of first ball is more convenient.
[0029] In the utility model, the first positioning mechanism includes a group of first positioning plates 14 and a group of second positioning plates 15, a group of first positioning plates 14 are fixedly connected at the top and bottom of bottom plate 8 respectively, and a group of second positioning plates 15 are fixedly connected at the top and bottom of first cover plate 11 respectively, and the added thickness of first positioning plate 14 and second positioning plate 15 is equal to the thickness of sliding groove 4.
[0030] In the above technical scheme, by arranging first positioning mechanism, the added thickness of first positioning plate 14 and second positioning plate 15 is arranged to be equal to the thickness of sliding groove 4, so that first protection assembly can be prevented from falling.
[0031] In the utility model, the second protection assembly includes protection plate 16, second magnetic plate 17 is arranged in protection plate 16, a plurality of third semicircular grooves 18 that are equidistantly distributed are formed on the front end face of protection plate 16, second cover plate 19 is covered on the front end face of protection plate 16, a plurality of fourth semicircular grooves 20 that are equidistantly distributed are formed on the end face of the one end of second cover plate 19 close to protection plate 16, the fourth semicircular groove 20 penetrates the front end face of second cover plate 19, the third semicircular groove 18 and fourth semicircular groove 20 constitute second ball chamber, and second ball body 21 is placed in second ball chamber.
[0032] In the above technical scheme, the third semicircular groove 18 and the fourth semicircular groove 20 are arranged on the protective plate 16 and the second cover plate 19, and a second ball chamber is formed, which is used for placing the second ball body 21, the second cover plate 19 is opened, and the second ball body 21 is replaced, the second magnetic plate 17 is arranged, and when the second ball body 21 is replaced, the second ball body 21 is prevented from falling from the third semicircular groove 18 when the second cover plate 19 is opened, so that the replacement of the second ball is more convenient.
[0033] In the utility model, the second positioning mechanism includes a group of third positioning plates 22 and a group of fourth positioning plates 23, a group of third positioning plates 22 are fixedly connected on the side walls on the both sides of the protective plate 16 respectively, a group of fourth positioning plates 23 are fixedly connected on the side walls on the both sides of the second cover plate 19 respectively, the thickness of the third positioning plate 22 and the fourth positioning plate 23 is equal to the thickness of the embedding groove 5, the third positioning plate 22 and the fourth positioning plate 23 on the left side wall of the protective plate 16 and the second cover plate 19 are all provided with through holes 24, the through hole 24 is coaxial with the counterbore 6, and the screw rod part of the fixed bolt passes through the through hole 24.
[0034] In the above technical scheme, the second positioning mechanism is arranged, the thickness of the third positioning plate 22 and the fourth positioning plate 23 is equal to the thickness of the embedding groove 5, and the second protective assembly is prevented from falling.
[0035] The principle and implementation mode of the utility model are described by applying specific examples in the present application, and the above embodiment is only used for helping to understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, the utility model can be improved and modified on the premise of not departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claim.
Claims
1. A rapier head for use in a rapier weaving machine for insertion of a weft thread, characterized in that: The utility model provides a sword rod head body (1), the sword rod head body (1) side surface is seted up with side groove (2) and installation groove (3), first protection subassembly is installed in side groove (2), second protection subassembly is installed in installation groove (3), the bottom and top side surface of side groove (2) is seted up with sliding slot (4), first positioning mechanism is slidably connected in sliding slot (4), first positioning mechanism is fixedly connected with first protection subassembly, the left and right two side walls of installation groove (3) are seted up with embedded groove (5), second positioning mechanism is slidably connected in embedded groove (5), second positioning mechanism is fixedly connected with second protection subassembly, the front end surface of sword rod head body (1) is seted up with counterbore (6), counterbore (6) penetrates the embedded groove (5) on the left side wall of installation groove (3), fixed bolt (7) is threadedly connected in counterbore (6), the screw rod part of fixed bolt (7) passes through second positioning mechanism.
2. A rapier head for the insertion of a weft thread in a rapier weaving machine according to claim 1, characterized in that: The first protection subassembly includes a bottom plate (8), a first magnetic plate (9) is installed in the bottom plate (8), a plurality of first semicircular grooves (10) are evenly distributed on the front end surface of the bottom plate (8), a first cover plate (11) is provided on the front end of the bottom plate (8), a plurality of second semicircular grooves (12) are evenly distributed on the end surface of the first cover plate (11) close to the bottom plate (8), the second semicircular grooves (12) penetrate the front end surface of the first cover plate (11), the first semicircular grooves (10) and the second semicircular grooves (12) form a first ball chamber, and a first ball body (13) is placed in the first ball chamber.
3. A rapier head for the insertion of a weft thread in a rapier weaving machine according to claim 2, characterized in that: The first positioning mechanism includes a group of first positioning plates (14) and a group of second positioning plates (15), the first positioning plates (14) are fixedly connected to the top and bottom of the bottom plate (8), the second positioning plates (15) are fixedly connected to the top and bottom of the first cover plate (11), and the thickness of the first positioning plates (14) and the second positioning plates (15) is equal to the thickness of the sliding slot (4).
4. A rapier head for use in a rapier weaving machine according to claim 1, characterized in that: The second protection subassembly includes a protection plate (16), a second magnetic plate (17) is arranged in the protection plate (16), a plurality of third semicircular grooves (18) are evenly distributed on the front end surface of the protection plate (16), a second cover plate (19) is provided on the front end surface of the protection plate (16), a plurality of fourth semicircular grooves (20) are evenly distributed on the end surface of the second cover plate (19) close to the protection plate (16), the fourth semicircular grooves (20) penetrate the front end surface of the second cover plate (19), the third semicircular grooves (18) and the fourth semicircular grooves (20) form a second ball chamber, and a second ball body (21) is placed in the second ball chamber.
5. A rapier head for the insertion of a weft thread in a rapier weaving machine according to claim 4, characterized in that: The second positioning mechanism comprises a third positioning plate (22) and a fourth positioning plate (23), the third positioning plate (22) is fixedly connected on the side wall on the left side of the protective plate (16), the fourth positioning plate (23) is fixedly connected on the side wall on the left side of the second cover plate (19), the thickness of the third positioning plate (22) and the fourth positioning plate (23) is equal to the thickness of the embedding groove (5), the third positioning plate (22) and the fourth positioning plate (23) on the left side wall of the protective plate (16) and the second cover plate (19) are provided with a through hole (24), the through hole (24) is coaxial with the counterbore (6), and the screw rod of the fixing bolt (7) passes through the through hole (24).
Citation Information
Patent Citations
Rapier head for weft insertion of rapier loom
CN214992157U