A wire harness winding machine

Abstract

The utility model relates to glass fiber pipe production technical field especially a wire harness winding machine, including the extension setting from front to back and the outside for the glass fiber cloth package of guide pillar, the pay-off frame for the pay-off of multicoil glass fiber line, set up in the pay-off frame rear's winding guide frame and set up in the winding guide frame rear and be used for the compression cylinder of cooperation guide pillar compression glass fiber pipe, winding guide frame includes the annular frame with guide pillar coaxial setting and multiple circumferential interval setting L type frame on annular frame, L type frame includes the radial plate of pointing to guide pillar axle line and fixed in radial plate near guide pillar one side and the lateral plate of back extension setting, radial plate outer end and lateral plate rear end all are equipped with the guide through hole of glass fiber line. The utility model discloses a wire harness winding machine, can reduce the distribution deviation of glass fiber line.

Description

Technical Field

[0001] This utility model relates to the field of glass fiber tube production technology, and in particular to a wire harness winding machine. Background Technology

[0002] Fiberglass tubes (FGTBs) are widely used in aerospace, electronics, and chemical industries due to their lightweight, high strength, insulation, and corrosion resistance. Their continuous molding process typically involves layering fiber cloth and fiber yarn together, completing the winding, impregnation, and compression in one operation on the surface of a cylindrical guide post, followed by continuous output by a traction mechanism to achieve uninterrupted production.

[0003] In the prior art, the above process generally includes the following steps: First, a first layer of glass fiber cloth is wrapped around the outer periphery of the cylindrical guide post; then, multiple glass fiber threads supplied in rolls are arranged axially at intervals under tension to achieve axial winding of the glass fiber threads, while simultaneously coating with resin; subsequently, a second layer of glass fiber cloth is covered; finally, the three-layer composite structure of "cloth-thread-cloth" is pressed and shaped through the gap between the guide post and the pressing cylinder, and unwinding, winding, and wrapping are completed under the continuous traction of the traction mechanism, thereby obtaining a continuously formed glass fiber tube.

[0004] However, because the glass fiber is fed in rolls, tension fluctuations during the unwinding process are difficult to completely eliminate. Even with guide posts for restraint, the fiber will still reciprocate axially, resulting in significant distribution deviations in the glass fiber. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a wire harness winding machine that can reduce the distribution deviation of glass fiber wires.

[0006] To solve the above-mentioned technical problems, the present invention provides a wire harness winding machine, comprising a guide post extending from front to back and used for wrapping glass fiber cloth on the outside, an unwinding frame for unwinding multiple rolls of glass fiber wire, a winding guide frame disposed behind the unwinding frame, and a clamping cylinder disposed behind the winding guide frame and used to cooperate with the guide post to press the glass fiber tube. The winding guide frame includes an annular frame coaxially arranged with the guide post and multiple L-shaped frames circumferentially spaced on the annular frame. The L-shaped frame includes a radial plate pointing towards the axis of the guide post and a transverse plate fixed to the radial plate near the guide post and extending backward. The outer end of the radial plate and the rear end of the transverse plate are provided with guide holes for the glass fiber wire to pass through.

[0007] As an improvement to the above solution, the ring frame is provided with a plurality of elongated through holes that extend radially along the ring frame at circumferential intervals, and the L-shaped frame is provided with a stud portion for passing through the elongated through holes and being threadedly connected to the radial plate, and the head is used for mounting bolts that abut against the ring frame.

[0008] As an improvement to the above solution, the front side of the radial plate is provided with a slider for sliding connection with the elongated through hole, and the stud portion of the mounting bolt is used for threaded connection with the slider.

[0009] As an improvement to the above scheme, the radial plate has two guide holes at its outer end and the transverse plate has one guide hole at its rear end.

[0010] As an improvement to the above solution, the unwinding frame is provided with multiple unwinding drums for horizontally placing glass fiber lines and multiple unwinding through holes that correspond one-to-one with each unwinding drum and are used for allowing the glass fiber lines to pass through.

[0011] As an improvement to the above solution, the wire harness winding machine of this utility model also includes a connecting piece that connects the unwinding frame and the ring frame.

[0012] As an improvement to the above solution, the connector includes a connecting stud and a connecting rod that is mounted on the unwinding frame and slidably connected to the annular frame. One end of the connecting stud is fixed to the rear side of the unwinding frame and extends rearward. The annular frame is provided with a connecting through hole for the connecting stud to pass through. The connecting stud is threaded with two connecting nuts that abut against the front and rear sides of the annular frame.

[0013] As an improvement to the above solution, the unwinding drum includes a drum frame, an arc plate placed inside the drum frame and radially interacting with the drum frame, an adjusting stud rotatably connected to the outside of the arc plate and threadedly connected to the drum frame, and a knob fixed to the outer end of the adjusting stud.

[0014] As an improvement to the above solution, the outer side of the arc plate is also provided with multiple guide rods that are spaced apart front and rear and slidably connected to the cylinder frame.

[0015] As an improvement to the above solution, the outer end of the guide rod is threaded with an adjusting bolt, and the guide rod is sleeved with springs at both ends that abut against the cylinder frame and the head of the adjusting bolt, respectively.

[0016] Implementing this utility model has the following beneficial effects:

[0017] The wire harness winding machine of this utility model uses guide columns, unwinding frame, winding guide frame and pressing cylinder to cooperate with each other. The winding guide frame uses the guide through holes of the coaxial ring frame and the circumferentially distributed L-shaped frame to implement radial and axial double limit for each fiber wire, which can limit the influence of the sway of the unwinding of the glass fiber wire on the bonding to the first layer of glass fiber cloth, and reduce the distribution deviation of the glass fiber wire under the limitation of tension, guidance and sway amplitude. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the wire harness winding machine in an embodiment of the present invention;

[0020] Figure 2 This is a layout view of the guide through hole on the L-shaped frame according to an embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram illustrating the installation principle of the L-shaped frame mounted on the ring frame in an embodiment of this utility model.

[0022] Figure 4 This is a layout view of the L-shaped frame on the ring frame in an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram illustrating the working principle of the connector in an embodiment of this utility model.

[0024] Figure 6 for Figure 5 Enlarged view of point A in the middle;

[0025] Figure 7 This is a layout view of the unwinding drum on the unwinding frame in an embodiment of the present invention;

[0026] Figure 8 This is a schematic diagram of the structure of the unloading drum in an embodiment of this utility model;

[0027] Figure 9 This is a schematic diagram illustrating the working principle of the clamping cylinder and guide column in this embodiment of the present invention.

[0028] In the picture:

[0029] 100. Guide column;

[0030] 200. Unwinding frame; 210. Unwinding drum; 211. Drum frame; 212. Arc plate; 213. Adjusting stud; 214. Knob; 215. Guide rod; 216. Adjusting bolt; 217. Spring; 220. Unwinding through hole;

[0031] 300. Winding guide frame; 310. Ring frame; 311. Long through hole; 312. Connecting through hole; 320. L-shaped frame; 330. Radial plate; 331. Slider; 340. Transverse plate; 350. Guide through hole; 360. Mounting bolt;

[0032] 400. Pressure cylinder;

[0033] 500. Connector; 510. Connecting stud; 520. Connecting rod; 530. Connecting nut. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of this application implemented as described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0035] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] like Figures 1 to 9As shown, a wire harness winding machine in this embodiment of the present invention includes a guide post 100 extending from front to back and used for wrapping glass fiber cloth on the outside, an unwinding frame 200 for unwinding multiple rolls of glass fiber wire, a winding guide frame 300 disposed behind the unwinding frame 200, and a pressing cylinder 400 disposed behind the winding guide frame 300 and used to cooperate with the guide post 100 to press the glass fiber tube. In practice, the guide post 100 has a circular outer side, and the first layer of fiberglass cloth wraps tightly around the outer side of the guide post 100, forming a cylindrical shape. The unwinding frame 200 can be equipped with multiple support cylinders for horizontally or vertically placed items, allowing the rolled fiberglass thread to be unwound for subsequent winding onto the outer side of the first layer of fiberglass cloth. The pressing cylinder 400 is located at the rear of the guide post 100 and is coaxially arranged, with the inner diameter of the pressing cylinder 400 being larger than the outer diameter of the guide post 100. This leaves space between the pressing cylinder 400 and the guide post 100 for the fiberglass thread of the "cloth-thread-cloth" composite structure to pass through, pressing and shaping the fiberglass tube. Then, the fiberglass tube is conveyed from front to back under the continuous traction of the traction mechanism. Here, the unwinding and wrapping of the fiberglass cloth, the spraying of resin, and the operation of the traction mechanism are all conventional methods in the production of fiberglass tubes, and their structure and principles will not be elaborated here. Both the ring frame 310 and the unwinding frame 200 are provided with clearance through holes for the guide column 100 to pass through, so as to prevent the guide column 100 from interfering with the ring frame 310 and the unwinding frame 200 during the production process.

[0038] The winding guide frame 300 includes an annular frame 310 coaxially arranged with the guide post 100 and multiple L-shaped frames 320 circumferentially spaced on the annular frame 310. Each L-shaped frame 320 includes a radial plate 330 pointing towards the axis of the guide post 100 and a transverse plate 340 fixed to the radial plate 330 near the guide post 100 and extending rearward. The outer end of the radial plate 330 and the rear end of the transverse plate 340 are both provided with guide holes 350 for the glass fiber wires to pass through. In practice, the number of L-shaped frames 320 is the same as the number of glass fiber wires to be laid out. After unwinding, the glass fiber wires first pass through the guide holes 350 of the radial plate 330 and then through the guide holes 350 on the transverse plate 340, thus creating radial and axial limiting for the glass fiber wires and providing guidance and tension. The glass fiber wires then adhere to the outer periphery of the first layer of glass fiber cloth and, together with the second layer of glass fiber cloth, pass through the annular gap between the pressing cylinder 400 and the guide post 100. Under the continuous action of the external traction mechanism, the glass fiber thread remains under tension, and due to the double constraint of the guide hole 350, its swing amplitude is significantly limited, thereby improving the uniformity of the glass fiber thread distribution. Preferably, in this embodiment of the invention, the diameter of the guide hole 350 is 2-3 times the outer diameter of the glass fiber thread, allowing the glass fiber thread to easily pass through the guide hole 350 and limiting its swing amplitude.

[0039] The wire harness winding machine of this utility model uses guide posts 100, unwinding frame 200, winding guide frame 300 and pressing cylinder 400 to cooperate with each other. The winding guide frame 300 uses the guide through holes 350 of the coaxial ring frame 310 and the circumferentially distributed L-shaped frame 320 to implement radial and axial double limiting for each fiber wire, which can limit the influence of the sway of the unwinding of the glass fiber wire on the bonding to the first layer of glass fiber cloth, and reduce the distribution deviation of the glass fiber wire under the limitation of tension, guidance and sway amplitude.

[0040] Specifically, the annular frame 310 preferably has multiple elongated through holes 311 spaced at intervals along its circumference, extending radially along the annular frame 310. The L-shaped frame 320 is equipped with a stud portion for passing through the elongated through holes 311 and threadedly connected to the radial plate 330, with the head of the stud serving to abut against the annular frame 310. During installation, the stud of the mounting bolt 360 passes through the corresponding elongated through hole 311 and is threadedly connected to the radial plate 330. The head of the mounting bolt 360 presses against the outer side of the annular frame 310, locking the L-shaped frame 320 in place. Loosening the mounting bolt 360 allows the L-shaped frame 320 to slide along the elongated through holes 311, moving it closer to or away from the axis of the guide post 100. Re-locking completes the positioning. Since the wrap angle of glass fiber threads entering the pressing area varies for different specifications, the wrap angle of the glass fiber threads entering the pressing area can be adjusted instantly by changing the radial position of the L-shaped frame 320, thus adapting to the process requirements of different specifications of glass fiber threads.

[0041] More specifically, the radial plate 330 preferably has a slider 331 on its front side for sliding connection with the elongated through hole 311, and the stud portion of the mounting bolt 360 is used for threaded connection with the slider 331. In fact, the width of the slider 331 matches the width of the elongated through hole 311 (e.g., 0.1-0.2 mm smaller than the elongated through hole 311), so that the slider 331 can extend into the elongated through hole 311, and the cooperation between the slider 331 and the elongated through hole 311 restricts the circumferential displacement of the L-shaped frame 320, ensuring the accuracy of the installation and adjustment of the L-shaped frame 320.

[0042] It should be noted that the outer end of the radial plate 330 preferably has two guide holes 350, and the rear end of the transverse plate 340 preferably has one guide hole 350. In fact, the outer end of the radial plate 330 is the portion of the radial plate 330 away from the guide post 100. After the glass fiber thread is unwound, it can first pass through the two guide holes 350 of the radial plate 330 to achieve guiding tension of the glass fiber thread, further reducing the impact of unwinding vibration, and finally pass through the guide hole 350 of the transverse plate 340 to leave the L-shaped frame 320.

[0043] It is worth mentioning that the unwinding rack 200 preferably has multiple unwinding drums 210 for horizontally placing glass fiber lines and multiple unwinding through holes 220 that correspond one-to-one with each unwinding drum 210 and are used for the glass fiber lines to pass through. In practical applications, the rolled glass fiber lines are placed in the unwinding drums 210, and after unwinding, they pass through the unwinding through holes 220 (the unwinding through holes 220 can be 2-3 times the outer diameter of the glass fiber lines). The unwinding drums 210 limit the jumping of the rolled glass fiber lines, further limiting the swaying amplitude of the glass fiber lines during unwinding.

[0044] Specifically, the wire harness winding machine of this utility model preferably includes a connector 500 connecting the unwinding frame 200 and the ring frame 310. In fact, the connector 500 can be a welding, adhesive bonding, fixed connection mechanism or a detachable connection mechanism such as a snap-fit ​​or threaded connection, so that the ring frame 310 is mounted on the unwinding frame 200 to support the ring frame 310.

[0045] More specifically, the connector 500 preferably includes a connecting stud 510 and a connecting rod 520 disposed on the unwinding frame 200 and slidably connected to the annular frame 310. One end of the connecting stud 510 is fixed to the rear side of the unwinding frame 200 and extends rearward. The annular frame 310 is provided with a connecting through hole 312 for the connecting stud 510 to pass through. The connecting stud 510 is threadedly connected to two connecting nuts 530 that abut against the front and rear sides of the annular frame 310. In fact, the ring frame 310 is provided with multiple sliding through holes that correspond one-to-one with multiple connecting rods 520, so as to realize the front and rear sliding connection between the ring frame 310 and the unwinding frame 200. During operation, by loosening a pair of connecting nuts 530, the ring frame 310 can slide axially along the connecting rods 520 and the connecting studs 510 to realize the adjustment of the relative distance with the unwinding frame 200. After the adjustment is in place, tighten the front and rear nuts, and the ring frame 310 is locked in both directions to fix the relative position of the ring frame 310 and the unwinding frame 200.

[0046] It is worth mentioning that the unwinding drum 210 preferably includes a drum frame 211, an arc plate 212 placed inside the drum frame 211 and radially interacting with the drum frame 211, an adjusting stud 213 rotatably connected to the outer side of the arc plate 212 and threadedly connected to the drum frame 211, and a knob 214 fixed to the outer end of the adjusting stud 213. In practice, the arc surface of the arc plate 212 facing away from the adjusting stud 213 forms an annular clamping space between itself and the inner wall of the drum frame 211. The rolled glass fiber thread is placed in a ring-shaped loop around the outer side of the arc plate 212. By rotating the knob 214, the adjusting stud 213 is screwed in or out, causing the arc plate 212 to expand or contract radially, thereby clamping or releasing the glass fiber thread from the inside. The arc plate 212 applies pressure from the inside to the outside of the glass fiber thread, forming a circumferential support, eliminating gaps between layers, and reducing radial movement of the roll within the drum frame 211.

[0047] Furthermore, the outer side of the arc plate 212 is preferably provided with multiple guide rods 215 spaced apart and slidably connected to the cylinder frame 211. In practice, the cylinder frame 211 has sliding holes whose number, position, and diameter match those of the guide rods 215, and the guide rods 215 pass through the sliding holes to form a sliding fit. When the knob 214 drives the adjusting stud 213, the arc plate 212, together with the guide rods 215, slides radially along the sliding holes. The constraint of the sliding holes on the guide rods 215 eliminates the circumferential wobble and axial movement of the arc plate 212.

[0048] Furthermore, the guide rod 215 is preferably threaded with an adjusting bolt 216 at its outer end, and the guide rod 215 is fitted with springs 217 at both ends, which abut against the cylinder frame 211 and the head of the adjusting bolt 216, respectively. After the arc plate 212 and the inner side of the cylinder frame 211 clamp the rolled glass fiber wire together, rotating the adjusting bolt 216 can change the preload of the spring 217, so that the spring 217 continuously applies an additional radial force to the arc plate 212 in the same direction as the adjusting stud 213 via the guide rod 215. As the diameter of the glass fiber wire gradually decreases due to unwinding, the rebound force of the spring 217 automatically compensates for the slight retraction of the arc plate 212, ensuring that the arc plate 212 is always in close contact with the core. If it is necessary to increase the initial tension, simply tighten the adjusting bolt 216 to increase the compression of the spring 217, which can maintain stable clamping within the range of changes in the wire diameter, thereby adapting to glass fiber wire rolls of different outer diameters within a certain range and achieving automatic tension compensation.

[0049] The above are merely specific embodiments of this utility model and do not limit the patent scope of this utility model. Although embodiments of this utility model have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the claims and their equivalents. Those skilled in the art can make various other corresponding changes and modifications based on the technical solutions and concepts described above, and all such changes and modifications should fall within the protection scope of the claims of this utility model.

Claims

1. A wire harness winding machine, characterized in that: The device includes a guide post extending from front to back and used for wrapping fiberglass cloth on the outside; an unwinding frame for unwinding multiple rolls of fiberglass wire; a winding guide frame located behind the unwinding frame; and a clamping cylinder located behind the winding guide frame and used to press the fiberglass tube in conjunction with the guide post. The winding guide frame includes an annular frame coaxially arranged with the guide post and multiple L-shaped frames circumferentially spaced on the annular frame. The L-shaped frame includes a radial plate pointing towards the axis of the guide post and a transverse plate fixed to the radial plate near the guide post and extending backward. The outer end of the radial plate and the rear end of the transverse plate are provided with guide holes for the fiberglass wire to pass through.

2. The wire harness winding machine as described in claim 1, characterized in that: The ring frame is provided with a plurality of elongated through holes that extend radially along the ring frame at circumferential intervals. The L-shaped frame is provided with a stud for passing through the elongated through holes and being threaded to the radial plate, and the head is used for mounting bolts that abut against the ring frame.

3. A wire harness winding machine as described in claim 2, characterized in that: The radial plate has a slider on its front side for sliding connection with the elongated through hole, and the stud portion of the mounting bolt is used for threaded connection with the slider.

4. A wire harness winding machine as described in claim 2, characterized in that: The radial plate has two guide holes at its outer end, and the transverse plate has one guide hole at its rear end.

5. A wire harness winding machine as described in claim 4, characterized in that: The unwinding frame is equipped with multiple unwinding drums for horizontally placing glass fiber lines and multiple unwinding through holes that correspond one-to-one with each unwinding drum and are used for the glass fiber lines to pass through.

6. A wire harness winding machine as described in claim 5, characterized in that: It also includes a connector that connects the unwinding frame and the ring frame.

7. A wire harness winding machine as described in claim 6, characterized in that: The connector includes a connecting stud and a connecting rod that is mounted on the unwinding frame and slidably connected to the annular frame. One end of the connecting stud is fixed to the rear side of the unwinding frame and extends rearward. The annular frame has a connecting through hole for the connecting stud to pass through. The connecting stud is threaded with two connecting nuts that abut against the front and rear sides of the annular frame.

8. A wire harness winding machine as described in claim 5, characterized in that: The unwinding drum includes a drum frame, an arc plate placed inside the drum frame and radially interacting with the drum frame, an adjusting stud rotatably connected to the outside of the arc plate and threadedly connected to the drum frame, and a knob fixed to the outer end of the adjusting stud.

9. A wire harness winding machine as described in claim 8, characterized in that: The outer side of the arc plate is also provided with multiple guide rods that are spaced apart front and back and slidably connected to the cylinder frame.

10. A wire harness winding machine as described in claim 9, characterized in that: The guide rod is threaded to an adjusting bolt at its outer end, and the guide rod is fitted with springs at both ends that abut against the cylinder frame and the head of the adjusting bolt, respectively.

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