Wire arranging clamp and wire arranging device thereof

Abstract

The wire arranging clamp and the wire arranging device are installed on a pneumatic chuck of a winding machine so as to arrange wires on a brush type sealing piece, the brush type sealing piece comprises a front baffle and a rear baffle, multiple layers of wires can be clamped between the front baffle and the rear baffle, the brush type sealing piece comprises a body of an annular structure, an installation hole is formed in the center area of the body, and the installation hole is communicated with the installation hole. The first ring groove and the second ring groove which are matched with the front baffle in shape are formed in the two axial side faces close to the outer circumferential position of the body respectively, the first ring groove corresponds to the second ring groove in position, the first ring groove and the second ring groove are both used for installing the front baffle, and the machining efficiency of the brush type sealing piece is improved.

Description

Technical Field

[0001] This invention belongs to the technical field of brush-type sealing brush bristle fixed angle bristle arrangement control device, and particularly relates to a bristle arrangement clamp and the bristle arrangement device thereof. Background Technology

[0002] Brush seals are high-performance, flexible dynamic seals composed of front and rear baffles and densely packed metal brushes sandwiched between them. Compared to traditional labyrinth seals, they offer significant advantages such as near-zero leakage and allow for momentary radial runout of the rotor, representing a major innovation in rotating mechanical seal technology. In the aerospace engine field, brush seals are primarily used between the compressor and turbine sections, for bearing cavity lubrication sealing, and for gearbox sealing. The main structure of a brush seal consists of a front baffle, a rear baffle, and a brush ring composed of tens to hundreds of thousands of brushes at a uniform angle (typically 45°). The brush filaments are typically made of extremely fine metal wire with a diameter of 0.05-0.1 mm, and are arranged tightly and neatly between the baffles according to design requirements. The parts are then assembled as a whole using a welding process. The processing difficulties of brush seals are closely related to the structural characteristics of their parts. The brush bristles themselves are characterized by their small diameter, small size, light weight, and easy bending. The requirements for the parts are to ensure that the brush bristles are arranged at a specific angle in the annular structure of the front and rear baffles, and to ensure that the arrangement of the brush bristles is vertical, tight, and neat. Usually, the outer circle is welded and fixed, while the inner circle is free. Traditional brush seal manufacturing typically involves preparing multiple brush bundles, using a clamp to limit the baffle, and then employing a wire-laying fixture to group and angle the brush bundles. After assembly, the outer diameter is welded, and the final dimensions are ensured through machining or wire cutting. This method is only suitable for single-piece processing. Furthermore, the brush bundle preparation and manual wire-laying processes rely heavily on manual labor. Different specifications of brush seals require significant time and resources for pre-winding the required brush bundles, and tooling also requires substantial investment. Consequently, it is difficult to ensure the tightness between the brush filaments during preparation, and during angled arrangement, it is challenging to ensure proper alignment of the brush bundles, affecting the angle. From a process control perspective, this poses risks to process stability and meeting design requirements, reducing product reliability. Functionally, it also increases the risk of leakage in the sealing performance of the parts.

[0003] In summary, the existing devices and manual methods for preparing brush seals are inefficient. Summary of the Invention

[0004] The wire-laying clamp provided by this invention solves the technical problem of low efficiency in the preparation of brush seals using existing methods. The technical solution of this invention has many beneficial effects, as described below: On one hand, a wire-laying clamp is provided, which is installed on the pneumatic chuck of a winding machine to lay wires on a brush-type seal. The brush-type seal includes a front baffle and a rear baffle, which can clamp multiple layers of wires. It includes a body with an annular structure, a mounting hole in the central area of ​​the body, and a first annular groove and a second annular groove, respectively, with shapes adapted to the front baffle, located adjacent to the outer circumferential position and on two axial sides of the body. The positions of the first and second annular grooves correspond, and both the first and second annular grooves are used for mounting the front baffle. The body is provided with a first external tooth platform and a second external tooth platform at intervals in the circumferential direction, and the inner ring surface is provided with a first internal tooth platform and a second internal tooth platform at intervals. The first external tooth platform and the first internal tooth platform are located on the same horizontal plane, and the second external tooth platform and the second internal tooth platform are located on the same horizontal plane. Both the first external tooth platform and the second external tooth platform include a plurality of continuously arranged first teeth, and both the first internal tooth platform and the second internal tooth platform include a plurality of continuously arranged second teeth. The shapes of the first teeth and the second teeth are set according to the brush bristle angle of the brush seal. After the winding head of the winding machine is placed at a preset angle relative to the main body, the winding head tilts and winds or arranges the wire around the first outer toothed surface, the second outer toothed surface, the first inner toothed surface, and the second inner toothed surface.

[0005] On the other hand, a wire feeding device is provided, capable of clamping the aforementioned wire feeding fixture, installing two rear baffles after wire feeding, and cutting the wire after winding. Specifically, it includes a base, a centering plate, an expansion plate, and a positioning pressure plate. The top surface of the base is provided with a boss, the outer ring size of the boss is adapted to the inner ring size of the rear baffle, and a cylinder is provided in the central area of ​​the boss. After a rear baffle is placed on the boss, the wire-laying clamp after wire laying is placed on the boss accordingly. The centering plate has a first hole in its central region and U-shaped holes spaced apart on its outer circumference. The opening ends of the U-shaped holes face away from the center of the centering plate. A waist-shaped hole is provided between the bottom end of the U-shaped holes and the center of the centering plate. The first hole and a portion of the bottom end of the cylinder are threaded together. The U-shaped holes are used for the movable assembly of the jaws. The jaws include a base rod, a locking block, and a locking lug. One end of the base rod is fixedly installed with the locking block, and the other end is provided with a pin hole. The pin hole is connected to one end of the pin, and the top surface of the pin's other end is flush with the top surface of the waist-shaped hole. The pin can move along the center line of the waist-shaped hole. The width of the locking block is adapted to the width of the U-shaped hole to allow the locking block to move along the center line of the U-shaped hole. The side of the locking block away from the center of the centering plate is provided with an arc structure that can engage with the second tooth to limit the wire feeding clamp. The locking lug is fixedly installed on the top surface of the locking block. The locking lug is provided with an arc-shaped part along the width direction of the U-shaped hole. The bottom surface of the arc-shaped part is in contact with the two sides of the U-shaped hole. The side of the locking lug away from the center of the centering plate is provided with an arc ear that can engage with the second tooth to increase the limiting force on the wire feeding clamp. The side of the locking lug near the center of the centering plate is provided with a slope or arc groove. The expansion plate is set with an inverted conical structure and a second hole is opened in the central area. The second hole is threaded to the length of the cylindrical part. When the expansion plate is rotated, it can drive the inclined surface or arc groove of the clasp to move away from the center of the centering plate, so that the arc ear of the clasp and / or the arc structure of the clasp block meshes with the second tooth, thereby achieving circumferential positioning of the wire feeding clamp. The positioning plate has a stepped hole in the central area. The small end of the stepped hole is threaded into part of the cylinder. The size of the large end of the stepped hole matches the size of the inner ring of the rear baffle. The size of the outer ring of the positioning plate matches the size of the outer ring of the rear baffle. After assembling the other rear baffle into the first or second ring groove, rotating the positioning plate can press the other rear baffle. After axially and circumferentially limiting the wire feeding clamp, the wire of the wire feeding clamp after winding, the wire located between the two first teeth, and the wire not clamped by the front and rear baffles are cut. After cutting, the whole is welded by welding process. The processing of two brush seals is completed in one go, which can improve efficiency.

[0006] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The provided wire-laying fixture can simultaneously process two brush seals, improving the efficiency of wire-winding brush seal processing. By setting the first and second teeth, it can meet the requirements of brush seals with a minimum inner diameter of φ100mm, wire-laying gap <0.1mm, and maximum wire-laying angle deviation of less than ±0.5°. For higher angle accuracy and dimensional requirements, the structural processing accuracy can be adjusted according to the actual product accuracy requirements, and corresponding angle wire-laying compensation can be made according to the angle deviation during actual winding, that is, the size adjustment of the first and second teeth, to ultimately meet the higher precision product requirements.

[0007] Secondly, the provided brush seal device can realize the installation of the two rear baffles of the above-mentioned wire feeding clamp and complete the wire cutting, and complete the production of two brush seals through welding process. Attached Figure Description

[0008] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0009] Figure 1 A schematic diagram of the main body; Figure 2 This is a schematic diagram of the base; Figure 3 This is a schematic diagram of the device; Figure 4 This is a schematic diagram of the chuck; Figure 5 This is a schematic diagram of the centering plate; Figure 6 This is a schematic diagram showing the engagement of the centering plate and the jaws. Figure 7 This is a structural diagram of the brush bristle seal. Figure 8 This is a front sectional view of the device, wherein, 11. Front baffle; 12. Rear baffle; 2. Body; 21. First annular groove; 22. First tooth; 23. Second tooth; 3. Base; 31. Boss; 32. Cylinder; 4. Positioning pressure plate; 5. Expansion plate; 6. Centering plate; 61. Waist-shaped hole; 62. U-shaped hole; 7. Claw; 71. Base rod; 72. Claw block; 73. Claw ear; 721. Arc-shaped structure; 731. Arc-shaped part; 732. Arc ear. Detailed Implementation

[0010] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0011] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this invention, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0012] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. The drawings only show the components related to the present invention and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0013] Furthermore, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that aspects can be practiced without these specific details. To enable those skilled in the art to better understand the invention, the invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise stated, "a plurality of" means two or more.

[0014] like Figure 1The wire-laying clamp shown is installed on the pneumatic chuck of the winding machine to lay wires on the brush seal. The brush seal includes a front baffle 11 and a rear baffle 12, and multiple layers of brush wires need to be clamped between the baffle and the rear baffle 12. It includes a body 2 with an annular structure. The central area of ​​the body 2 has a mounting hole. A first annular groove 21 and a second annular groove with a shape adapted to the front baffle 11 are respectively opened on the two axial sides of the body 2 at the outer circumferential position. The positions of the first annular groove 21 and the second annular groove are corresponding. The first annular groove 21 and the second annular groove are used for the installation of the front baffle 11. It can realize the processing of two brush seals at the same time, improving the processing efficiency. The body 2 is circumferentially spaced with a first external toothed platform and a second external toothed platform (axially spaced), and the inner annular surface is spaced with a first internal toothed platform and a second internal toothed platform. The first external toothed platform and the first internal toothed platform are located on the same horizontal plane, and the second external toothed platform and the second internal toothed platform are located on the same horizontal plane. Both the first external tooth platform and the second external tooth platform include a plurality of continuously arranged first teeth 22, and both the first internal tooth platform and the second internal tooth platform include a plurality of continuously arranged second teeth 23. The shapes of the first teeth 22 and the second teeth 23 are set according to the brush angle of the brush seal. After the winding head of the winding machine is placed at a preset angle relative to the body 2, for example, the body 2 is mounted on the pneumatic chuck at an angle and the winding head is set at an eccentricity of 1°-10° relative to the body 2, so as to realize the winding of oblique wire. The winding head winds or lays the wire at an angle around the first outer tooth table, the second outer tooth table, the first inner tooth table, and the second inner tooth table. The angle of inclination is, for example, 30°-60° with a rated angle, which is swayed in the radial direction of the ring or clockwise or counterclockwise.

[0015] By setting two annular grooves on the main body 2 and using front and rear baffles as positioning and assembly surfaces, the brush is wound at the required angle on the upper and lower radial surfaces of the ring. This reduces assembly problems and angle accuracy issues when transitioning from the brush bundle to the baffle. The product is no longer reliant on manual experience but can be processed using winding machinery, shortening the processing cycle, improving product stability, ensuring wire tightness, and clearly defining the winding wire thickness. It eliminates the need for post-assembly tightening, ensuring a more uniform brush ring. Furthermore, subsequent processes can be performed directly after wire arrangement, meeting the requirements of both pre- and post-welding processes. Improved wire arrangement tightness enhances welding quality. Compared to traditional winding machines, brush seals have a lower axial height in their annular structure, with baffle thickness around 1-5mm. The wires are mostly arranged at a 45-degree radial angle. The wires are subjected to tilting tension on the inner and outer diameters of the baffle, causing them to slide vertically. This slippage and misalignment make it difficult to meet brush seal design requirements, and may even prevent the winding of coils with a sufficiently large tilt angle, leading to wire breakage, wire slippage, and localized entanglement. From the product structure perspective, brush seals require one end to be fixed and the other end to be free. After the coil structure is wound, the structure becomes more fixed. Brush seals require more processes to assemble and cut the wound parts. The wire laying process should not be done in the radial surface to tighten the wire, otherwise it will interfere with the assembly of the front baffle 11 and subsequent welding. In addition, the wire itself should not have too much contamination, otherwise the excess will seriously affect the product's performance. Compared to manual filament arrangement, this invention offers more comprehensive control over filament arrangement precision and effectiveness. During filament arrangement, adjustments can be made more flexibly based on thickness and angle, including the quantity of each layer of filament and the overall quantity. Thickness accuracy control relies entirely on the equipment, eliminating the limitations of manual filament arrangement where subsequent clamping force can lead to uncontrollable thickness dimensions. Precision is ensured by adjusting the feed rate, guaranteeing a tight fit between filaments and preventing uncontrollable gaps between filament bundles. Improved filament arrangement directly enhances the sealing effect of the brush seal. Furthermore, from a cost control perspective, it reduces labor costs and the reliance on experience, improving filament arrangement quality and significantly increasing efficiency.

[0016] Secondly, a wire feeding device is provided, see [link to relevant documentation]. Figures 2 to 8 As shown, the device is capable of clamping the aforementioned wire-laying clamp, installing two rear baffles 12 after wire laying, and cutting the wire after winding. Specifically, it includes a base 3, a centering plate 6, an expansion plate 5, and a positioning pressure plate 4. The top surface of the base 3 is provided with a boss 31. The outer ring size of the boss 31 is adapted to the inner ring size of the back baffle 12. A cylinder 32 is provided in the central area of ​​the boss 31. After placing a back baffle 12 on the boss 31, the wire-laying clamp after wire laying is placed on the boss 31 accordingly. A first hole is formed in the central area of ​​the centering plate 6, and U-shaped holes 62 are spaced apart on the outer ring surface. The open end of the U-shaped holes 62 faces away from the center of the centering plate 6. An oblong hole 61 is provided between the bottom end of the U-shaped holes 62 and the center of the centering plate 6. The first hole and part of the bottom end of the cylinder 32 are threaded together. The U-shaped hole 62 is used for the moving assembly of the claw 7. The claw 7 includes a base rod 71, a locking block 72, and a locking ear 73. The locking block 72 is fixedly installed at one end of the base rod 71, and a pin hole is provided at the other end. The pin hole is connected to one end of the pin. The top surface of the other end of the pin is flush with the top surface of the oblong hole 61. The pin can move along the center line of the oblong hole 61. The width of the locking block 72 is the same as that of the U-shaped hole. The width of 62 is adapted to allow the locking block 72 to move along the center line of the U-shaped hole 62. The side of the locking block 72 away from the center of the centering plate 6 is provided with an arc-shaped structure 721 that can engage with the second tooth 23 to limit the wire feeding clamp. The top surface of the locking block 72 is fixedly installed with a locking ear 73. The locking ear 73 is provided with an arc-shaped part 731 along the width direction of the U-shaped hole 62. The bottom surface of the arc-shaped part 731 is in contact with the two sides of the U-shaped hole 62. The side of the locking ear 73 away from the center of the centering plate 6 is provided with an arc ear 732 that can engage with the second tooth 23 to increase the limiting force on the wire feeding clamp. The side of the locking ear 73 near the center of the centering plate 6 is provided with a slope or an arc groove. The expansion plate 5 is set with an inverted conical structure and a second hole is opened in the central area. The second hole is threaded to the length of the cylinder 32. When the expansion plate 5 is rotated, the inclined surface or arc groove of the clasp 73 can be driven to move away from the center of the centering plate 6, so that the arc ear 732 of the clasp 73 and / or the arc structure 721 of the clasp block 72 mesh with the second tooth 23, thereby achieving circumferential positioning of the wire feeding clamp. The positioning plate 4 has a stepped hole in the central area. The small end of the stepped hole is threaded to fit part of the length of the cylinder 32. The size of the large end of the stepped hole is adapted to the size of the inner ring of the rear baffle 12. The outer ring size of the positioning plate 4 is adapted to the outer ring size of the rear baffle 12. After the other rear baffle 12 is assembled into the first ring groove 21 or the second ring groove, rotating the positioning plate 4 can press the other rear baffle. After the overall wire feeding clamp is axially and circumferentially limited, the wire of the wire feeding clamp after the wire is wound and the wire located between the two first teeth 22 and the wire not clamped by the front and rear baffles 12 are cut. After cutting, the whole is welded by welding process. The processing of two brush seals is completed at one time, which can improve efficiency.

[0017] This device combines the winding structure principle of a traditional direct-winding coil winding machine with the traditional brush bundle wire arrangement process for brush seal angle wire arrangement. It also adds a wire arrangement limiting mechanism to limit the brush wire angle and brush ring thickness according to design requirements. The device is assembled with the front and rear baffles through the pneumatic chuck of the winding machine. Then, by deflecting the rated angle, it finally achieves the extension wire arrangement on the ring structure to arrange the brush seal wire at a fixed angle and perform subsequent welding processes. First, based on the product design requirements, the required angles of the parts are identified. After confirming the required angle accuracy, the width requirement of the inclined surface of the outer circle of the wire feeding fixture is determined in conjunction with the outer circle dimensions of the product. Since the brush seal product holds the brush ring wire between the front and rear baffles, it is not possible to add extra material to the wire winding surface of the baffle to limit the wire. Therefore, the inner and outer diameters of the baffle are extended radially to create an inclined surface that meets the angle requirements. An additional limiting plate is designed on the inclined surface to control the wire slippage phenomenon caused by the increase in wire thickness. Steps are machined on the upper and lower surfaces of the wire feeding fixture to facilitate positioning when assembling with the baffle. The assembly baffle is placed according to the required angle of the brush wire. After wire arrangement, the device positions the parts using the inner circular clamp base plate and chuck, then places the wire arrangement clamp in the middle for positioning, and finally completes the overall assembly using the pressure plate. After assembly, the parts can be cleaned directly before welding. This solves the problems of unstable wire arrangement angle control and long processing cycle in traditional processes. The device mainly uses the front and rear baffles 12 as positioning and assembly surfaces, and winds the wire at the required angle on the upper and lower radial surfaces of the ring. This reduces assembly problems and angle accuracy issues when transitioning from the brush bundle to the baffle, allowing the product to be processed by wire winding machinery instead of relying on manual experience, shortening the processing cycle, improving product stability, and ensuring the tightness of the wire material. The thickness of the wound wire can be clearly defined without relying on post-assembly clamping. This invention ensures a more uniform brush ring. At the same time, the device can directly perform subsequent processes after wire arrangement, meeting the requirements of pre- and post-welding processes. The improved tightness of the brush filament arrangement enhances the welding quality.

[0018] In one embodiment, the maximum cross-sectional dimension of the expansion plate 5 is smaller than the cross-sectional dimension of the boss 31, the outer ring dimension of the centering plate 6 is smaller than the inner ring dimension of the wire feeding clamp, and the axial length of the centering plate 6 is smaller than the axial length of the wire feeding clamp.

[0019] The product provided by this invention has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the embodiments above are merely for the purpose of helping to understand the core ideas of this invention. It should be noted that those skilled in the art can make various improvements and modifications to the invention without departing from the principles of the invention, and these improvements and modifications also fall within the protection scope of the invention claims.

Claims

1. A wire arranging jig mounted on a pneumatic chuck of a winding machine to arrange wires on a brush seal including a front baffle and a rear baffle between which a plurality of layers of wires can be clamped, characterized in that, The body includes a ring structure, a mounting hole is arranged in the central region of the body, a first ring groove and a second ring groove are arranged at the position close to the outer periphery of the body and on the two axial sides respectively, the first ring groove and the second ring groove are adapted to the front baffle, the positions of the first ring groove and the second ring groove correspond, and the first ring groove and the second ring groove are used for mounting the front baffle, wherein, The body is circumferentially spaced apart to be provided with a first outer tooth platform and a second outer tooth platform, and the inner ring surface is spaced apart to be provided with a first inner tooth platform and a second inner tooth platform, the first outer tooth platform and the first inner tooth platform are located in the same horizontal plane, and the second outer tooth platform and the second inner tooth platform are located in the same horizontal plane; The first outer tooth platform and the second outer tooth platform each include a plurality of first teeth arranged continuously, the first inner tooth platform and the second inner tooth platform each include a plurality of second teeth arranged continuously, and the shapes of the first teeth and the second teeth are set according to the brushing angle of the brush seal; After the winding head of the wire winding machine is placed at a preset angle relative to the body, the winding head is inclined to wind or arrange wires around the first outer tooth platform, the second outer tooth platform, the first inner tooth platform and the second inner tooth platform.

2. A wire expelling device characterized by, The wire arranging clamp as claimed in claim 1 can be clamped, and the installation of two rear baffles after wire arranging and the cutting of wires after winding can be completed.

3. The air bleeder device of claim 1, wherein, The device includes a base, a centering plate, an expansion plate and a positioning plate, wherein, The top surface of the base is provided with a boss, the outer ring size of the boss is adapted to the inner ring surface size of the rear baffle, the central region of the boss is provided with a cylinder, and after a rear baffle is placed on the boss, the wire arranging clamp after wire arranging is correspondingly placed on the boss; The central region of the centering plate is provided with a first hole, and the outer ring surface is spaced apart to be provided with a U-shaped hole, the opening end of the U-shaped hole faces away from the center of the centering plate, a waist-shaped hole is arranged between the bottom end of the U-shaped hole and the center of the centering plate, the first hole is threadedly matched with part of the length of the bottom end of the cylinder, the U-shaped hole is used for the movement assembly of a claw, and the claw includes a bottom rod, a clamping block and a clamping lug, wherein One end of the bottom rod is fixedly installed with the clamping block, the other end is provided with a pin hole, the pin hole is connected with one end of a pin, the top surface of the other end of the pin is flush with the top surface of the waist-shaped hole, and the pin can move along the center line direction of the waist-shaped hole; the width of the clamping block is adapted to the width of the U-shaped hole, so that the clamping block can move along the center line direction of the U-shaped hole, and the side surface of the clamping block away from the center of the centering plate is provided with an arc-shaped structure which can be engaged with the second teeth to limit the wire arranging clamp; the top surface of the clamping block is fixedly installed with the clamping lug, the clamping lug is provided with an arc-shaped part along the width direction of the U-shaped hole, the bottom surface of the arc-shaped part is in surface contact with the two sides of the U-shaped hole, the side surface of the clamping lug away from the center of the centering plate is provided with an arc lug which can be engaged with the second teeth to increase the limiting force of the wire arranging clamp, and the side surface of the clamping lug close to the center of the centering plate is provided with an inclined surface or an arc-shaped groove; The expansion plate is provided with a second hole in the central region in an inverted conical structure, the second hole is threadedly matched with part of the length of the cylinder, and when the expansion plate is rotated, the inclined surface or the arc-shaped groove of the clamping lug can be driven to move in the direction away from the center of the centering plate, so that the arc lug of the clamping lug and / or the arc-shaped structure of the clamping block are engaged with the second teeth to realize the circumferential limiting of the wire arranging clamp. The positioning pressing plate is provided with a stepped hole in the central region, the small end of the stepped hole is threadedly matched with the partial length of the cylinder, the size of the large end of the stepped hole is adapted to the size of the inner ring of the rear baffle, the size of the outer ring of the positioning pressing plate is adapted to the size of the outer ring of the rear baffle, after assembling another rear baffle in the first ring groove or the second ring groove, the rear baffle can be pressed tightly by rotating the positioning pressing plate, after the axial and circumferential positioning of the whole row wire clamp, the wire of the row wire clamp after winding is cut, and the wire between the two first teeth and the wire not clamped by the front and rear baffles is cut, after cutting, the whole is welded by welding process, the processing of two brush type sealing elements is completed at one time, and the efficiency can be improved.

4. The air bleeding device according to claim 3, wherein The maximum cross-sectional dimension of the expansion plate is less than the cross-sectional dimension of the boss.

5. The air bleeder device of claim 3, wherein, The outer ring size of the centering plate is less than the inner ring size of the row wire clamp.

6. The air bleeder device of claim 3, wherein, The axial length of the centering plate is less than the axial length of the row wire clamp. The axial length of the centering plate is less than the axial length of the row wire clamp.

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