Novel non-woven fabric lower stretcher
By designing a new type of non-woven lower stretcher, adopting a slide rail and main frame structure, combining the installation screw, worm gear and worm adjustment device and fine-tuning screw, flexible adjustment of the channel width of the non-woven stretching device is achieved, solving the problem of The problem of difficult adjustment in existing equipment is improved and production flexibility and efficiency are improved.
Patent Information
- Application Number
- CN202421332002.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-12
AI Technical Summary
In the existing non-woven fabric production equipment, it is difficult to easily adjust the channel width of the stretching device, and it cannot meet the production needs of non-woven fabrics of different thicknesses.
A new type of non-woven lower stretcher is designed, adopting a slide rail and main frame structure. By installing a screw and a worm gear adjustment device, the distance between the front side plate and the rear side plate is adjusted, and the screw and the Push rod structure to achieve fine adjustment of slit width.
It realizes flexible adjustment of the channel width of the tensile device during the non-woven fabric production process, meets the production needs of non-woven fabrics of different thicknesses, and improves production flexibility and efficiency.
Smart Images

Figure CN222499492U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of non-woven fabric production equipment, in particular to a novel non-woven fabric lower stretcher. Background Art
[0002] Non-woven fabrics, also known as non-woven fabrics and needle-punched cotton, are made of directional or random fibers. They are called cloth because of their appearance and certain properties. Non-woven fabrics are moisture-proof, breathable, flexible, lightweight, non-combustible, easy to decompose, non-toxic and non-irritating, colorful, low-priced, and recyclable. For example, polypropylene pellets are mostly used as raw materials, and are produced by a continuous one-step process of high-temperature melting, spinning, laying, and hot pressing and winding. In the process of non-woven fabric processing, a stretching device is needed to adjust the non-woven fabric spinning, and the width of the non-woven fabric channel can be adjusted according to the thickness of the non-woven fabric. Therefore, a stretching device that is easy to adjust the channel width is needed. Utility Model Content
[0003] In view of the problems existing in the prior art, the utility model discloses a novel non-woven fabric lower stretcher, the technical solution adopted is that a main frame is installed under the slide rail through a track hanger, the upper end of the track hanger is slidably hooked on the slide rail, and the lower end is fixedly connected to the main frame, so that the main frame can slide on the slide rail, and the middle part of the main frame is symmetrically fixed with a front side plate and a rear side plate through a mounting screw, and the front side plate and one side of the rear side plate are evenly arranged and fixedly connected with the mounting screws, and the threads of the mounting screws cooperate with each other to screw The front and rear side panels are fixedly connected to the main frame, and the connection parts are fixed by tightening nuts. The connection position of the mounting screw on the main frame can be adjusted by loosening the nuts, so as to adjust the distance between the front side panel and the rear side panel. The upper edges of the front side panel and the rear side panel are evenly arranged and fixedly connected with worm gear adjusting devices, and the worm gear adjusting devices are installed on the main frame. The worm gear adjusting devices located on the same side of the main frame are connected in series through transmission shafts. The worm gear adjusting devices are driven by rotating the transmission shaft, so that the front side panel can be adjusted. The distance between the plate and the rear side plate, brushes are fixedly installed on the main frame below the front side plate and the rear side plate, and a front fine-adjustment side plate and a rear fine-adjustment side plate are fixedly connected to the main frame above the front side plate and the rear side plate, respectively, the lower edge of the front fine-adjustment side plate is attached to the upper side of the front side plate, and a fine-adjustment screw is evenly fixedly connected to the lower part of one side of the front fine-adjustment side plate in a linear manner, and the fine-adjustment screw is rotatably mounted on the main frame, the lower edge of the rear fine-adjustment side plate is attached to the upper side of the rear side plate, and a side of the rear fine-adjustment side plate The worm gear adjusting devices are evenly arranged and fixedly connected at the lower part, and the worm gear adjusting devices are connected in series through the transmission shaft. The front side plate and the front fine-tuning side plate respectively correspond to the rear side plate and the rear fine-tuning side plate, and a slit is formed between them. The front fine-tuning side plate is elastically bent by pushing and pulling the lower edge of the front fine-tuning side plate by the fine-tuning screw, and the rear fine-tuning side plate is elastically bent by pushing and pulling the lower edge of the rear fine-tuning side plate by the worm gear adjusting device, thereby adjusting the distance between the front fine-tuning side plate and the rear fine-tuning side plate.
[0004] As a preferred scheme of the utility model, the worm gear adjusting device includes a worm and a worm wheel installed in meshing cooperation, the worm wheel is fixedly connected with an adjusting threaded tube, the end of the adjusting threaded tube is threadedly installed with an adjusting push rod, the adjusting push rod is respectively and correspondingly connected to the front side plate, the rear side plate and the rear fine-tuning side plate for rotation, the two ends of the worm are respectively fixedly connected to the transmission shaft through universal couplings, the end of the transmission shaft is fixedly connected with a hand wheel, the transmission shaft can be rotated by the hand wheel, and the transmission shaft drives the worm to rotate, thereby driving the worm wheel and the adjusting threaded tube to rotate, the adjusting threaded tube rotates relative to the adjusting push rod, thereby realizing the telescopic movement of the adjusting push rod in the adjusting threaded tube through thread cooperation, so as to realize the push-pull adjustment of the front side plate, the rear side plate and the rear fine-tuning side plate by the adjusting push rod.
[0005] As a preferred scheme of the utility model, the fine-tuning screw includes a fine-tuning threaded tube, which is rotatably mounted on the main frame by rotating the base, and an embossed digital handwheel is installed at one end of the tube, and a fine-tuning push rod is threadedly installed in the threaded hole at the other end, and the end of the fine-tuning push rod is rotatably connected to the front fine-tuning side plate, and the embossed digital handwheel is rotated to drive the fine-tuning threaded tube to rotate, so that the fine-tuning threaded tube drives the telescopic movement of the fine-tuning push rod through the threaded cooperation, and pushes the front fine-tuning side plate to move.
[0006] Beneficial effects of the utility model: the utility model is provided with a front side panel, a front fine-tuning side panel, a rear side panel and a rear fine-tuning side panel on the main frame, and the enclosure thereof forms a slit for non-woven fabric to pass through, and the front side panel, the rear side panel and the rear fine-tuning side panel can all be adjusted in position by a worm gear adjustment device, and the front fine-tuning side panel can be locally fine-tuned by a fine-tuning screw, thereby realizing the adjustment of the slit width to meet the application requirements in the non-woven fabric production and pulling process, and the fine-tuning screw is connected to the adjustment structure of the front fine-tuning side panel, which can realize the function of adjusting the slit width of the stretcher in sections to adjust the local thickness of the non-woven fabric. The entire device is easy to adjust and easy to use, and can effectively meet the production and use requirements of non-woven fabrics. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Figure 1 It is the first view of the overall structure schematic diagram of the utility model;
[0008] Figure 2 It is the second view of the overall structure schematic diagram of the utility model;
[0009] Figure 3 This is a cross-sectional view of the internal structure of the utility model;
[0010] Figure 4 It is a partial enlarged cross-sectional view of the utility model;
[0011] Figure 5 This is a schematic structural diagram of the worm gear adjusting device of the utility model.
[0012] In the figure: 1 slide rail, 2 track hanging bracket, 3 main frame, 4 mounting screw, 5 front side plate, 6 worm gear adjustment device, 601 worm, 602 worm gear, 603 adjusting threaded tube, 604 adjusting push rod, 605 universal coupling, 7 transmission shaft, 701 hand wheel, 8 fine-tuning screw, 801 embossed digital hand wheel, 802 fine-tuning threaded tube, 803 fine-tuning push rod, 804 rotating base, 9 brush, 10 rear side plate, 11 front fine-tuning side plate, 12 rear fine-tuning side plate. DETAILED DESCRIPTION
[0013] Example 1
[0014] like Figures 1 to 5 As shown, a novel non-woven fabric lower stretcher of the utility model is installed with a main frame 3 under the slide rail 1 through a track hanger 2. The upper end of the track hanger 2 is slidably hooked on the slide rail 1, and the lower end is fixedly connected to the main frame 3, so that the main frame 3 can slide on the slide rail 1. The middle part of the main frame 3 is symmetrically fixedly installed with a front side plate 5 and a rear side plate 10 through a mounting screw 4. The front side plate 5 and one side of the rear side plate 10 are evenly arranged and fixedly connected with the mounting screw 4. The mounting screw 4 is threadedly matched and tightened to be fixedly connected to the On the main frame 3, the connection part is tightened and fixed by a nut. The connection position of the mounting screw 4 on the main frame 3 can be adjusted by loosening the nut, so as to adjust the distance between the front side plate 5 and the rear side plate 10. The upper edges of the front side plate 5 and the rear side plate 10 are evenly arranged and fixedly connected with a worm gear adjustment device 6, and the worm gear adjustment device 6 is installed on the main frame 3. The worm gear adjustment device 6 located on the same side of the main frame 3 is connected in series through a transmission shaft 7. The worm gear adjustment device 6 is driven by rotating the transmission shaft 7, so as to The distance between the front side plate 5 and the rear side plate 10 can be adjusted, and brushes 9 are fixedly installed on the main frame 3 below the front side plate 5 and the rear side plate 10, and a front fine-tuning side plate 11 and a rear fine-tuning side plate 12 are fixedly connected to the main frame 3 above the front side plate 5 and the rear side plate 10, respectively. The lower side of the front fine-tuning side plate 11 is attached to the upper side of the front side plate 5, and the lower part of one side of the front fine-tuning side plate 11 is linearly arranged and evenly fixedly connected with a fine-tuning screw 8, and the fine-tuning screw 8 includes a fine-tuning threaded tube 802, and the fine-tuning threaded tube 802 is rotatably mounted on the main frame 3 by rotating the base 804, and an embossed digital handwheel 801 is installed at one end, and a fine-tuning push rod 803 is threadedly installed in the threaded hole at the other end, and the end of the fine-tuning push rod 803 is rotatably connected to the front fine-tuning side plate 11. The embossed digital handwheel 801 is rotated to drive the fine-tuning threaded tube 802 to rotate, so that the fine-tuning threaded tube 802 drives the telescopic movement of the fine-tuning push rod 803 through the threaded cooperation, and pushes and pulls the lower edge of the front fine-tuning side plate 11, so that the front fine-tuning side plate 11 is elastically bent.
[0015] The lower side of the rear fine-tuning side plate 12 is attached to the upper side of the rear side plate 10, and the lower part of one side of the rear fine-tuning side plate 12 is evenly arranged and fixedly connected with the worm gear adjustment device 6, and the worm gear adjustment devices 6 are connected in series through the transmission shaft 7. The worm gear adjustment device 6 includes a worm 601 and a worm wheel 602 installed in meshing cooperation. The worm wheel 602 is fixedly connected with an adjusting threaded tube 603, and the end of the adjusting threaded tube 603 is threadedly installed with an adjusting push rod 604, and the adjusting push rod 604 corresponds to the rotation It is dynamically connected to the front side plate 5, the rear side plate 10, and the rear fine-tuning side plate 12. The two ends of the worm 601 are fixedly connected to the transmission shaft 7 through universal couplings 605. The end of the transmission shaft 7 is fixedly connected with a handwheel 701. The transmission shaft 7 can be rotated by the handwheel 701, and the transmission shaft 7 drives the worm 601 to rotate, thereby driving the worm wheel 602 and the adjusting threaded tube 603 to rotate. The adjusting threaded tube 603 rotates relative to the adjusting push rod 604, so that the adjusting push rod 604 can be telescopically moved in the adjusting threaded tube 603 through threaded cooperation. The front side panel 5, the rear side panel 10, and the rear fine-tuning side panel 12 are respectively provided with a group of adjustment mechanisms consisting of a transmission shaft 7 and three or five worm gear adjustment devices 6. The positions of the front side panel 5, the rear side panel 10, and the rear fine-tuning side panel 12 can be adjusted accordingly by rotating the corresponding hand wheel 701, so that the slit width between the front side panel 5 and the rear side panel 10 and the front fine-tuning side panel 11 and the rear fine-tuning side panel 12 can be adjusted through the worm gear adjustment device 6, the transmission shaft 7, and the fine-tuning screw 8.
[0016] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0018] Components not described in detail herein are prior art.
[0019] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.
Claims
1. A novel non-woven fabric lower stretcher, comprising a slide rail (1), a main frame (3) being installed below the slide rail (1) via a track hanger (2), the upper end of the track hanger (2) being slidably hooked on the slide rail (1), and the lower end being fixedly connected to the main frame (3), characterized in that: The middle part of the main frame (3) is symmetrically fixedly mounted with a front side plate (5) and a rear side plate (10) via a mounting screw (4); the mounting screw (4) is evenly arranged and fixedly connected to one side of the front side plate (5) and the rear side plate (10); the mounting screw (4) is threadedly matched and screwed and fixedly connected to the main frame (3); the upper edges of the front side plate (5) and the rear side plate (10) are evenly arranged and fixedly connected with a worm gear adjustment device (6); the worm gear adjustment device (6) is mounted on the main frame (3); the worm gear adjustment devices (6) located on the same side of the main frame (3) are connected in series via a transmission shaft (7); the lower sides of the front side plate (5) and the rear side plate (10) are respectively fixedly mounted on the main frame (3); A brush (9) is fixedly installed, and a front fine-tuning side plate (11) and a rear fine-tuning side plate (12) are fixedly connected to the main frame (3) above the front side plate (5) and the rear side plate (10), respectively. The lower side of the front fine-tuning side plate (11) fits on the upper side of the front side plate (5), and a fine-tuning screw (8) is evenly and linearly arranged and fixedly connected to the lower part of one side of the front fine-tuning side plate (11). The fine-tuning screw (8) is rotatably mounted on the main frame (3), and the lower side of the rear fine-tuning side plate (12) fits on the upper side of the rear side plate (10), and the worm gear adjusting device (6) is evenly and fixedly connected to the lower part of one side of the rear fine-tuning side plate (12), and the worm gear adjusting devices (6) are connected in series through the transmission shaft (7).
2. The novel nonwoven fabric lower stretcher according to claim 1 is characterized in that: The front side plate (5) and the front fine-tuning side plate (11) correspond to the rear side plate (10) and the rear fine-tuning side plate (12) respectively, and a slit is formed between them.
3. The novel nonwoven fabric lower stretcher according to claim 1 is characterized in that: The worm gear adjustment device (6) comprises a worm (601) and a worm wheel (602) which are installed in meshing cooperation. An adjustment threaded tube (603) is fixedly connected to the worm wheel (602). An adjustment push rod (604) is threadedly installed at the end of the adjustment threaded tube (603). The adjustment push rod (604) is respectively rotationally connected to the front side plate (5), the rear side plate (10), and the rear fine-tuning side plate (12). Both ends of the worm (601) are respectively fixedly connected to the transmission shaft (7) through universal couplings (605).
4. The novel nonwoven fabric lower stretcher according to claim 1 is characterized in that: A hand wheel (701) is fixedly connected to the end of the transmission shaft (7).
5. The novel nonwoven fabric lower stretcher according to claim 1 is characterized in that: The fine-tuning screw (8) comprises a fine-tuning threaded tube (802), which is rotatably mounted on the main frame (3) via a rotating base (804), and an embossed digital hand wheel (801) is mounted on one end of the fine-tuning screw (8), and a fine-tuning push rod (803) is threadably mounted in a threaded hole at the other end, and the end of the fine-tuning push rod (803) is rotatably connected to the front fine-tuning side plate (11).