Trimming device of polypropylene fiber multifilament loom
By introducing a water spraying and synchronization mechanism into the edge-cutting device, the centrifugal force impact and synchronous adjustment of the water spray nozzles are used to solve the problem of difficult collection of multifilament segments in the edge-cutting of multifilament filter cloth, thus achieving efficient cleaning and stable edge-cutting effect.
Patent Information
- Application Number
- CN202520608088.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
In the existing technology, during the edge cutting process of polypropylene multifilament filter cloth, the ends of the multifilament weft yarns are easily deformed and bent into long sections, which are difficult to be collected by the floc collection mechanism in a timely manner, resulting in cleaning difficulties.
A cutting device including a water spraying mechanism and a synchronization mechanism was designed. The water spraying nozzle sprays water droplets to impact the cutting edge, and the centrifugal force is used to push the long multifilament segments into the water collection tank. The synchronization mechanism adjusts the distance between the water spraying nozzle and the cutting blade to ensure that the water droplets are effectively thrown out and avoid residue.
It effectively collects and cleans the lint generated during the cutting process, improving cleaning efficiency, avoiding the residue of multifilament segments, and ensuring the stability and cleanliness of the cutting effect.
Smart Images
Figure CN223951338U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter cloth processing technical field, concretely is a polypropylene multifilament loom trimming device. BACKGROUND
[0002] Polypropylene multifilament filter cloth is a kind of high-performance filter material, warp and weft silk are selected polypropylene multifilament, multifilament selects high-density hair-shaped yarn, effectively improve the number of filter cloth holes, simultaneously reduce aperture, further improve the interception capacity of filter cloth, and not prone to the phenomenon of material leakage.
[0003] In the polypropylene multifilament filter cloth manufacturing process needs to carry out trimming treatment to filter cloth, removes the loose fiber and burr of filter cloth edge, makes the edge more neat and beautiful, and is convenient for subsequent processing.
[0004] But polypropylene multifilament is by the twisting of multiple monofilament into a thin filament, there are a large number of loose monofilament ends on the surface, in trimming processing, these ends are cut off to form a large amount of fluff, the existing trimming is usually provided with a dust collecting mechanism with a fan, the fluff is collected by negative pressure, to avoid the condition that fluff flies randomly and is difficult to clean, but the multifilament warp located at the edge will appear deformation when the cutting knife exerts pressure, and then is pulled and bent to cut off to form a long multifilament segment, under the limitation of multifilament weft yarn end, it will not fall into the dust collecting mechanism in time, and will fall randomly in the conveying process, increasing the cleaning difficulty. UTILITY MODEL CONTENTS
[0005] (One) technical problem solved
[0006] In view of the deficiencies of prior art, the utility model provides a polypropylene multifilament loom trimming device, which solves the problems raised in the above background art.
[0007] (Two) technical scheme
[0008] To achieve the above object, the utility model is realized by the following technical scheme:
[0009] A polypropylene multifilament loom trimming device, comprising a mounting frame, a trimming mechanism is installed on the mounting frame, the trimming mechanism comprises a driving motor fixed on the mounting frame, a mounting screw rod fixed on the output end of the driving motor, a trimming blade fixed on the mounting screw rod and a positioning nut for abutting and fixing the trimming blade, a protective cover is arranged on the front side of the mounting frame, a water spraying mechanism is fixed on the protective cover, the water spraying mechanism comprises a supporting beam rod fixed on the protective cover, a water spraying nozzle mounted on the supporting beam rod and a connecting hose connected to the water spraying nozzle, the water spraying nozzle faces the trimming blade, a water collecting tank is installed on the lower side of the mounting frame, and the water collecting tank is arranged directly below the trimming blade.
[0010] Preferably, a support bearing is rotationally connected to the mounting screw, an inner ring of the support bearing is slidingly mounted on the mounting screw, an outer ring of the support bearing is provided with a fixing ring groove, the support beam rod is mounted in the fixing ring groove, a positioning bolt is threadedly connected to an upper end of the support beam rod, a positioning arc groove is formed in a front side of the protective cover, a front end of the positioning bolt abuts against a side wall of the positioning arc groove, a positioning cap is threadedly connected to an end of the mounting screw, the positioning cap abuts against a side of the support bearing away from the protective cover, and the water spraying nozzle is mounted on a lower side of the support beam rod.
[0011] Preferably, a translation guide groove is formed in the lower side of the support beam rod, a lifting block is slidingly mounted in the translation guide groove, the water spraying nozzle is fixed to the lifting block, and a sliding spring is connected between the lifting block and the translation guide groove.
[0012] Preferably, a synchronous mechanism is mounted on the mounting screw, the synchronous mechanism comprises a positioning disc, a sliding disc, a centrifugal roller and a support spring, the positioning disc abuts against and is clamped to the trimming blade, a positioning ring groove is formed in a side of the positioning disc away from the trimming blade, a positioning nut abuts against a side wall of the positioning ring groove, a plurality of trapezoidal sliding grooves are circumferentially distributed on the positioning disc, the centrifugal roller is slidingly placed in the trapezoidal sliding groove, the sliding disc is slidingly sleeved on the mounting screw, a plurality of limiting sliding grooves corresponding to the trapezoidal sliding grooves are formed in the sliding disc, the centrifugal roller slidingly abuts against a side wall of the limiting sliding groove, and the support spring abuts against between the sliding disc and the support bearing.
[0013] Preferably, a synchronous ring is rotationally connected to the sliding disc, an inner wall of the synchronous ring is provided with an inner concave taper surface, a side of the lifting block facing the sliding disc is provided with an abutting wedge, the abutting wedge is provided with an abutting inclined surface, and the abutting inclined surface slidingly abuts against the inner concave taper surface.
[0014] Preferably, a plurality of positioning holes are circumferentially distributed on the trimming blade, a plurality of positioning protrusions corresponding to the positioning holes are arranged on the positioning disc, and the positioning protrusions are clamped in the positioning holes.
[0015] (Three) beneficial effects
[0016] The polypropylene multifilament loom trimming device has the following beneficial effects:
[0017] 1. The water spraying nozzle in the utility model can spray water on the trimming blade, a part of the water is attached to the trimming blade, the water droplets are thrown out at a certain speed by the centrifugal force generated by the rotation of the trimming blade and impact on the cutting edge of the multifilament filter cloth, the impact force can make the longer multifilament segment fall into the water collecting tank for centralized collection and convenient cleaning, and the other part of the water can directly drop and fall into the water collecting tank together with the lint generated by trimming.
[0018] 2, The utility model discloses a synchronous mechanism keeps synchronous rotation with the trimming blade through the installation screw rod, and the centrifugal force produced in the rotation process can throw the centrifugal roller outward, the height change of the side wall of trapezoidal sliding slot can push the sliding disc horizontally, and the water droplet on the trimming blade can be thrown completely according to the centrifugal force produced according to the rotating speed, and the water droplet residual on the trimming blade can be avoided to enter the protective cover. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the structure schematic drawing of a trimming device of the polypropylene multifilament loom of the utility model;
[0020] Figure 2 It is the sectional view of Figure 1
[0021] Figure 3 It is the structure schematic drawing of the trimming mechanism in the utility model.
[0022] In the drawing: 1, mounting frame;2, drive motor;3, installation screw rod;4, trimming blade;5, locating nut;6, protective cover;7, support beam rod;8, water spraying head;9, lifting block;10, support bearing;11, abutting wedge block;12, locating bolt;13, water collecting tank;14, guide edge;15, sliding spring;16, locating disc;17, sliding disc;18, centrifugal roller;19, support spring;20, trapezoidal sliding slot;21, locating cap;22, synchronous ring. DETAILED DESCRIPTION
[0023] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiment.
[0024] The utility model embodiment provides a trimming device of polypropylene multifilament loom, such as Figures 1-3 As shown, including the mounting bracket 1, the mounting bracket 1 is mounted on the trimming mechanism, the trimming mechanism includes the drive motor 2 fixed on the mounting bracket 1, the mounting screw 3 fixed on the output end of the drive motor 2, the trimming blade 4 fixed on the mounting screw 3 and the positioning nut 5 for resisting fixed trimming blade 4, the end of the mounting screw 3 and the output end of the drive motor 2 form a mounting step, the mounting step is used to resist the rear side of the trimming blade 4, the outer wall of the mounting screw 3 is provided with a plurality of axial grooves for positioning, the inner wall of the trimming blade 4 is provided with a clamping block matched with the axial groove, the drive motor 2 rotates, the trimming blade 4 can keep synchronous rotation with the mounting screw 3, the front side of the mounting bracket 1 is provided with a protective cover 6, the protective cover 6 is arranged as an arc-shaped cover with an open lower side, the trimming blade 4 is exposed from the opening of the protective cover 6 for trimming operation, both ends of the protective cover are provided with a scraper plate abutting against the outer side of the trimming blade 4.
[0025] The protective cover 6 is fixed with a water spraying mechanism, the water spraying mechanism includes a support beam 7 fixed on the protective cover 6, a water spraying nozzle 8 mounted on the support beam 7 and a connecting hose connected to the water spraying nozzle 8, the connecting hose is connected with a water pump, the water spraying nozzle 8 is opposite to the trimming blade 4, the mounting screw 3 is rotatably connected with a support bearing 10, the inner ring of the support bearing 10 slides on the mounting screw 3, the inner ring of the support bearing 10 is provided with a bearing protrusion matched with the axial groove, which ensures the inner ring of the support bearing 10 to rotate synchronously with the mounting screw 3, the outer ring of the support bearing 10 is provided with a fixed ring groove, the middle part of the support beam 7 is integrally formed with a mounting ring, the mounting ring is connected in the fixed ring groove, the support beam 7 can rotate freely on the mounting screw 3, the upper end of the support beam 7 is threadedly connected with a positioning bolt 12, the front side of the protective cover is provided with a positioning arc groove, the front end of the positioning bolt 12 abuts against the side wall of the positioning arc groove, rotating the positioning bolt 12 can make the end of the positioning bolt 12 abut and connect in the positioning arc groove, which can make the support link keep locked at any angle, the water spraying nozzle 8 opposite to the trimming blade 4 at any initial angle, the angle position of the water spraying nozzle 8 can be adjusted to control the centrifugal flying point of the water droplets attached to the trimming blade 4, control the falling point and angle of the water droplets impacting the cutting edge of the multifilament filter cloth, make the water droplets impact the longer multifilament segment better, improve the falling probability of the multifilament segment.
[0026] The lower side of the mounting bracket 1 is provided with a water collecting tank 13, the water collecting tank 13 is arranged directly below the trimming blade 4, the upper edge is provided with a guide edge 14, the guide edge 14 can abut against the lower side of the multifilament filter cloth, the guide edge 14 and the trimming blade 4 can make the multifilament filter cloth keep a certain cutting angle, which is convenient for trimming the multifilament filter cloth, the hole of the water collecting tank 13 can also be provided with a filter screen to filter the lint and water, regularly cleaning the lint can avoid the filter screen from being blocked.
[0027] The lower side of the support beam rod 7 is provided with a translation guide groove, a lifting block 9 is slidably installed in the translation guide groove, the water jet nozzle 8 is fixed on the lifting block 9, a sliding spring 15 is connected between the lifting block 9 and the translation guide groove, the side of the lifting block 9 facing the sliding disc is provided with a resisting wedge 11, a synchronous mechanism for adjusting the height of the resisting sliding block is installed on the mounting screw rod 3, the synchronous mechanism comprises a positioning disc 16, a sliding disc 17, a centrifugal roller 18 and a supporting spring 19, the side of the lifting block 9 facing the sliding disc 17 is provided with a resisting wedge 11, a plurality of positioning holes are circumferentially distributed on the edge cutting blade 4, a plurality of positioning protrusions corresponding to the positioning holes are arranged on the positioning disc 16, the positioning disc 16 is abutted and clamped on the edge cutting blade 4, the positioning protrusions are clamped in the positioning holes, the positioning protrusions and the positioning holes are clamped with each other, so that the positioning disc 16 can rotate synchronously with the edge cutting blade 4, a positioning ring groove is formed on the side of the positioning disc 16 away from the edge cutting blade 4, the positioning nut 5 is abutted on the side wall of the positioning ring groove, and the positioning nut 5 can abut and fix the positioning disc 16 and the edge cutting blade 4 on the mounting screw rod 3, a plurality of trapezoidal sliding grooves 20 are circumferentially distributed on the positioning disc 16, the sliding disc 17 is slidably sleeved on the mounting screw rod 3, a plurality of limiting sliding grooves corresponding to the trapezoidal sliding grooves 20 are formed on the sliding disc 17, the centrifugal roller 18 is slidably abutted between the trapezoidal sliding grooves 20 and the limiting sliding grooves, a positioning cap 21 is threadedly connected to the end of the mounting screw rod 3, the positioning cap 21 is abutted on the side of the supporting bearing 10 away from the protective cover, the sliding disc 17 is installed between the supporting bearing 10 and the positioning disc 16, the supporting spring 19 is abutted between the sliding disc 17 and the supporting bearing 10, the driving motor 2 rotates, the edge cutting blade 4 and the positioning disc 16 rotate synchronously with the mounting screw rod 3, and during the rotation process, the centrifugal force generated by the different rotating speeds keeps the centrifugal roller 18 at different positions in the trapezoidal sliding grooves 20, so that the sliding distance of the sliding disc 17 can be kept by the rotating speed, the synchronous ring 22 is rotatably connected to the sliding disc 17, the inner wall of the synchronous ring 22 is provided with an inner concave taper surface, the resisting wedge 11 is provided with a resisting slope, the resisting slope is slidably abutted on the inner concave taper surface, the sliding disc 17 drives the synchronous ring 22 to slide towards the support beam rod 7, and the resisting slope of the resisting wedge 11 and the inner concave taper surface are slidably abutted on each other, so that the lifting block 9 can slide in the translation guide groove towards the side away from the edge of the edge cutting blade 4, so as to increase the height of the water jet nozzle 8 sprayed on the edge cutting blade 4, and the speed of the water droplets thrown out can be accelerated by changing the travel distance of the water droplets from the edge of the edge cutting blade 4, and the impact force of the water droplets on the longer multifilament section is improved.
[0028] Working principle:
[0029] In the utility model, after the multifilament filter cloth passes the guide edge 14 of the water collecting groove 13, the edge cutting treatment is carried out on the edge cutting blade 4, the guide groove can support the bottom of the multifilament filter cloth, and the edge cutting effect of the edge cutting blade 4 on the multifilament filter cloth is better.
[0030] In the rotating process of the edge cutting blade 4, the water spraying head 8 can spray water on the edge cutting blade 4, a part of the water directly falls and drops on the cutting edge of the multifilament filter cloth, can be used for adsorbing the lint generated in the cutting, and then falls into the water collecting groove 13 for centralized collection, so that the lint is prevented from flying randomly, and the other part of the water adheres to the edge cutting blade 4, and along with the rotation of the edge cutting blade 4, the centrifugal force generated in the rotation accelerates and flings out on the surface of the edge cutting blade 4 and impacts on the cutting edge of the multifilament filter cloth, can impact the longer multifilament segment, and can fall the longer multifilament segment into the water collecting groove 13.
[0031] In the process of cutting the edges of multifilament filter cloths of different specifications, the rotating speed of the driving motor 2 can be adjusted to make the cutting effect better, in the process, along with the adjustment of the rotating speed of the driving motor 2, the rotating speed of the edge cutting blade 4 and the synchronous mechanism can be changed, in the rotating process, the centrifugal roller 18 in the trapezoidal sliding groove 20 of the positioning piece slides outward under the action of the centrifugal force, the supporting spring 19 abuts against the sliding disc 17 to extrude the outer side of the centrifugal roller 18, the extrusion force and the supporting effect of the trapezoidal sliding groove 20 provide sliding resistance for the outward sliding of the centrifugal roller 18, the position of the centrifugal roller 18 in the trapezoidal sliding groove 20 is associated with the rotating speed of the positioning disc 16, the greater the rotating speed, the greater the sliding distance of the centrifugal roller 18 in the trapezoidal sliding groove 20, the centrifugal roller 18 slides in the trapezoidal sliding groove 20, the sliding disc 17 can be horizontally pushed away according to the change of the bottom wall height of the trapezoidal sliding groove 20, the synchronous ring 22 pushes the abutting wedge block 11 on the lifting block 9, the lifting block 9 slides in the translation guide groove, and the distance between the water spraying head 8 and the edge of the edge cutting blade 4 is adjusted, that is, the greater the rotating speed, the greater the distance between the water spraying head 8 and the edge of the edge cutting blade 4, the longer the travel of the water droplets, the greater the acceleration, the greater the speed of the water droplets flying away from the edge cutting blade 4, and the greater the impact force on the longer multifilament segment, in the process, the distance from the edge cutting blade 4 can be adjusted, the water droplets on the edge cutting blade 4 can be controlled to be thrown out before reaching the scraping plate at the end portion of the protective cover, and the water marks on the edge cutting blade 4 are prevented from remaining.
[0032] Meanwhile, the longer multifilament segment at the edge of the multifilament filter cloth can be controlled to fall into the water collecting groove 13 by screwing the positioning bolt 12 and controlling the initial angle of the supporting beam rod 7 according to the residual condition of the longer multifilament segment at the edge of the multifilament filter cloth.
[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A slitting device for a polypropylene multifilament textile loom comprising a mounting frame, characterized in that: The mounting frame is provided with a trimming mechanism, the trimming mechanism comprises a driving motor fixed on the mounting frame, a mounting screw rod fixed on the output end of the driving motor, a trimming blade fixed on the mounting screw rod and a positioning nut for abutting against the trimming blade, the front side of the mounting frame is provided with a protective cover, the protective cover is fixed with a water spraying mechanism, the water spraying mechanism comprises a support beam rod fixed on the protective cover, a water spraying nozzle mounted on the support beam rod and a connecting hose connected to the water spraying nozzle, the water spraying nozzle faces the trimming blade, and a water collecting tank is mounted on the lower side of the mounting frame and arranged directly below the trimming blade.
2. A slitting device for a polypropylene multifilament textile fabric loom according to claim 1, characterized in that: A support bearing is rotationally connected to the mounting screw rod, the inner ring of the support bearing is slidingly mounted on the mounting screw rod, a fixing ring groove is formed in the outer ring of the support bearing, the middle part of the support beam rod is mounted in the fixing ring groove, a positioning bolt is threadedly connected to the upper end of the support beam rod, a positioning arc groove is formed in the front side of the protective cover, the front end of the positioning bolt abuts against the side wall of the positioning arc groove, a positioning cap is threadedly connected to the end of the mounting screw rod, and the positioning cap abuts against the side of the support bearing away from the protective cover, and the water spraying nozzle is mounted on the lower side of the support beam rod.
3. A slitting device for a polypropylene filament textile loom according to claim 2, characterized in that: A translation guide groove is formed in the lower side of the support beam rod, a lifting block is slidingly mounted in the translation guide groove, the water spraying nozzle is fixed on the lifting block, and a sliding spring is connected between the lifting block and the translation guide groove.
4. A slitting device for a polypropylene filament textile loom according to claim 3, characterized in that: A synchronous mechanism is mounted on the mounting screw rod, the synchronous mechanism comprises a positioning disc, a sliding disc, a centrifugal roller and a supporting spring, the positioning disc abuts against and is connected to the trimming blade, a positioning ring groove is formed in the side of the positioning disc away from the trimming blade, the positioning nut abuts against the side wall of the positioning ring groove, a plurality of trapezoidal sliding grooves are circumferentially distributed on the positioning disc, the centrifugal roller is slidingly placed in the trapezoidal sliding groove, the sliding disc is slidingly sleeved on the mounting screw rod, a plurality of limiting sliding grooves corresponding to the trapezoidal sliding grooves are formed in the sliding disc, the centrifugal roller slidingly abuts against the side wall of the limiting sliding groove, and the supporting spring abuts against between the sliding disc and the support bearing.
5. A slitting device for a polypropylene filament textile loom according to claim 4, characterized in that: A synchronous ring is rotationally connected to the sliding disc, an inner concave taper surface is formed on the front side of the inner wall of the synchronous ring, an abutting wedge is arranged on the side of the lifting block facing the sliding disc, the abutting wedge is provided with an abutting inclined surface, and the abutting inclined surface slidingly abuts against the inner concave taper surface.
6. A slitting device for a polypropylene filament textile loom according to claim 5, characterized in that: A plurality of positioning holes are circumferentially distributed on the trimming blade, and a plurality of positioning protrusions corresponding to the positioning holes are arranged on the positioning disc and connected to the positioning holes.