Modified polypropylene spinning equipment
By introducing a positioning ring and a sliding groove structure into the modified polypropylene spinning equipment and utilizing interference bolts and sliding slopes, the disassembly and installation of the spinneret are simplified, the equipment failure and cumbersome replacement problems caused by spinneret blockage are solved, and the maintenance efficiency of the equipment is improved.
Patent Information
- Application Number
- CN202422739950.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-11
AI Technical Summary
During the use of existing melt spinning equipment, the spinneret is easily clogged, causing the equipment to malfunction, and replacing the spinneret is cumbersome.
A modified polypropylene spinning equipment was designed. By setting a positioning ring and a sliding groove on the lower side of the spinneret, the spinneret can be conveniently disassembled and installed using the interference bolts and sliding inclined surfaces. Combined with the clamping structure of the positioning clip and the spring, the replacement process of the spinneret is simplified.
The rapid disassembly and installation of the spinneret is realized, the replacement process is simplified, and the maintenance efficiency and reliability of the equipment are improved.
Smart Images

Figure CN223445705U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spinning equipment technical field, concretely is a modified polypropylene spinning equipment. BACKGROUND
[0002] The melt spinning process is a method that the spinning polymer melt flows out the melt stream through the spinning orifice of the melt spinning equipment, and then the melt stream is cooled and solidified into a filament in the surrounding air or water.
[0003] The melt spinning equipment has a vertical melt flow channel inside, and the spinning orifice plate is uniformly distributed with several spinning orifices on the spinning orifice plate.
[0004] During the assembly of the spinning equipment, the spinning plate, the distribution plate and the filter screen are sequentially installed in the assembly box, and then the assembly box is integrally installed at the bottom of the melt reactor. UTILITY MODEL CONTENT
[0005] (I) Technical problem solved
[0006] In view of the deficiencies of the prior art, the utility model provides a modified polypropylene spinning equipment, which solves the problems in the above background art.
[0007] (II) Technical scheme
[0008] To achieve the above purpose, the utility model realizes the following technical scheme:
[0009] A modified polypropylene spinning equipment, comprising a reactor body, a spinning assembly is fixed at the lower end of the reactor body, the spinning assembly comprises a spinning box body, a filter plate, a distribution plate and a spinning mechanism, the spinning mechanism comprises a positioning ring installed in the spinning box body and a spinning plate clamped in the positioning ring, an inner recess ring is arranged at the bottom of the spinning box body, the positioning ring is clamped on the upper side of the inner recess ring, an installation groove is arranged on the lower side of the positioning ring, the spinning plate is detachably placed in the installation ring, and the diameter of the spinning plate is smaller than the inner diameter of the inner recess ring.
[0010] Preferably, a sliding groove is arranged on the periphery of the lower side of the positioning ring, a positioning sliding block is slidably connected in the sliding groove, a positioning clamping strip is arranged on the side of the positioning sliding block facing the spinning plate, and the positioning clamping strip is abuttingly clamped on the spinning plate.
[0011] Preferably, the positioning sliding block outer side wall is provided as a sliding slope, the inner recess ring is threadedly connected with a resisting bolt, and the end of the resisting bolt is resisted on the sliding slope.
[0012] Preferably, a positioning spring is connected between the positioning sliding block and the sliding groove side wall.
[0013] Preferably, the lower side of the positioning clamping strip is provided as a pressing slope, the lower side outer edge of the spinneret is provided with a clamping ring groove, and the positioning clamping strip is matched and resisted in the clamping ring groove.
[0014] Preferably, the lower side of the positioning ring is provided with a plurality of inner recess grooves, the upper side of the inner recess ring is provided with a plurality of inner protrusions, and the inner protrusions are matched and clamped in the inner recess grooves.
[0015] (Three) beneficial effects
[0016] The utility model provides a modified polypropylene spinning equipment. Possess following beneficial effect:
[0017] 1, the utility model discloses through resisting bolt and preventing loose sliding slope and can realize that the positioning sliding block slides in the sliding groove, so that the positioning clamping strip on the positioning sliding block can clamp or unlock the spinneret, and the spinneret can be conveniently disassembled and replaced when being blocked. DRAWINGS
[0018] Figure 1 It is a structural schematic view of the utility model discloses a modified polypropylene spinning equipment;
[0019] Figure 2 It is a structural schematic view of the spinning assembly in the utility model;
[0020] Figure 3 It is a structural schematic view of the spinning mechanism in the utility model.
[0021] In the drawing: 1, reaction kettle body;2, spinning box body;3, filter plate;4, distribution plate;5, inner recess ring;6, sealing ring;7, positioning ring;8, spinneret;9, sliding groove;10, positioning sliding block;11, resisting bolt;12, positioning spring;13, positioning clamping strip;14, inner recess groove. DETAILED DESCRIPTION
[0022] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiments.
[0023] As Figure 1 , Figure 2As shown, the utility model embodiment provides a kind of modified polypropylene spinning equipment, including reaction kettle body 1, and the lower end of reaction kettle body 1 is fixed with spinning assembly, the spinning assembly includes spinning box 2, filter plate 3, distribution plate 4 and spinneret mechanism, the upper end of spinning box 2 is screw thread connection in the lower end of reaction kettle body 1, the bottom of spinning box 2 is provided with inner recess ring 5, the upper side of spinneret mechanism is placed in inner recess ring 5, the upper side of spinneret mechanism is equipped with sealing ring 6, distribution plate 4 is placed in sealing ring 6, the upper side of distribution plate 4 is provided with filter groove, filter plate 3 concave-convex cooperation is placed in filter groove, the upper side of distribution plate 4 is also placed with sealing ring 6, the lower end of reaction kettle body 1 is in contact with the upper side of distribution plate 4, melt spinning is formed from reaction kettle body 1 from top to bottom in turn after passing filter plate 3, distribution plate 4, spinneret mechanism, specific spinning fine stream, complete spinneret process.
[0024] As Figure 3 As shown, the spinneret mechanism includes locating ring 7 installed in spinning box 2 and spinneret plate 8 clamped in locating ring 7, the upper side of locating ring 7 is provided with distribution groove, the distribution groove is communicated with distribution plate 4, the upper side of locating ring 7 is clamped in the upper side of inner recess ring 5, the lower side of locating ring 7 is provided with mounting groove, the mounting groove is communicated with the distribution groove, the spinneret plate 8 is detachably placed in mounting ring, the diameter of spinneret plate 8 is less than the inner diameter of inner recess ring 5, and the spinneret plate 8 can be disassembled and mounted in inner recess ring 5.
[0025] The lower side of the locating ring 7 is provided with a plurality of slip grooves 9 uniformly distributed in the circumference, the extension direction of the slip groove 9 is towards the axis of the locating ring 7, the two sides of the bottom of the slip groove 9 are provided with guide grooves, the slip groove 9 is slidably connected with a locating slider 10, the bottom of the locating slider 10 is provided with a guide strip in concave-convex cooperation with the guide groove, the outer side wall of the locating slider 10 is provided as a slip inclined surface, the inner recess ring 5 is threadedly connected with a contact bolt 11, the end of the contact bolt 11 is in contact with the slip inclined surface, the end of the contact bolt 11 towards the slip inclined surface is provided as a circular arc, and the locating slider 10 and the side wall of the slip groove 9 are connected with a locating spring 12, under the elastic action of the locating spring 12, the locating slider 10 is wholly hidden in the slip groove 9, which can facilitate the disassembly and installation of the spinneret plate 8, when it is needed to clamp and lock the spinneret plate 8, the contact bolt 11 is screwed, so that the front end of the contact bolt 11 is in contact with and presses the slip inclined surface, the locating slider 10 is horizontally slid in the slip groove 9 through the pressing of the inclined surface until the locating slider 10 is clamped on the lower side of the spinneret plate 8.
[0026] The positioning slide 10 is provided with a positioning clamping strip 13 on the side facing the spinneret 8, the front side of the positioning clamping strip 13 is provided in a circular arc shape, the lower side of the spinneret 8 is provided with a clamping ring groove, and the lower side of the positioning clamping strip 13 is provided in a pressing slope, which can avoid the spinneret 8 from being clamped during the process of being put into the installation groove.
[0027] Further, the lower side of the positioning ring 7 is provided with a plurality of inner grooves 14, the upper side of the inner recess ring 5 is provided with a plurality of inner protrusions, the inner protrusions are clamped in the inner grooves 14 in a concave-convex matching mode, the positioning ring 7 is tightly pressed on the upper side of the inner recess ring 5 under the extrusion of the reaction kettle, the inner protrusions and the inner grooves 14 are clamped and limited to each other, at this time, it can be ensured that the resisting bolt 11 is opposite to the sliding slope of the positioning slide 10, and the situation that the resisting bolt 11 cannot resist the sliding slope due to the rotation of the positioning ring 7 in the spinning beam body 2 is avoided.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A modified polypropylene spinning device, comprising a reactor body, characterized in that: A spinning assembly is fixed at the lower end of the reactor body, and the spinning assembly includes a spinning box, a filter plate, a distribution plate and a spinneret. The spinneret includes a positioning ring installed in the spinning box and a spinneret clamped in the positioning ring. An inner concave ring is provided at the bottom of the spinning box, and the positioning ring is clamped on the upper side of the inner concave ring. A mounting groove is provided on the lower side of the positioning ring. The spinneret can be detachably placed in the mounting ring, and the diameter of the spinneret is smaller than the inner diameter of the inner concave ring.
2. A modified polypropylene spinning equipment according to claim 1, characterized in that: A sliding groove is provided on the periphery of the lower side of the positioning ring, a positioning slider is slidingly connected in the sliding groove, a positioning clip is provided on the side of the positioning slider facing the spinneret, and the positioning clip is abutted and clipped on the spinneret.
3. A modified polypropylene spinning equipment according to claim 2, characterized in that: The outer side wall of the positioning slide block is configured as a sliding inclined surface, and a resisting bolt is threadedly connected to the inner concave ring, and an end of the resisting bolt resists against the sliding inclined surface.
4. The modified polypropylene spinning equipment according to claim 3, characterized in that: A positioning spring is connected between the positioning slider and the side wall of the sliding groove.
5. The modified polypropylene spinning equipment according to claim 4, characterized in that: The lower side of the positioning clip is set as an extrusion slope, and the lower outer edge of the spinneret is provided with a clamping ring groove, and the positioning clip is concave and convex in contact with the clamping ring groove.
6. The modified polypropylene spinning equipment according to claim 5, characterized in that: A plurality of inner grooves are provided on the lower side of the positioning ring, and a plurality of inner convex blocks are provided on the upper side of the inner concave ring. The inner convex blocks are engaged in the inner grooves in a concave-convex manner.