CN220163278U - Yarn feeding device of composite material pultrusion machine - Google Patents
Yarn feeding device of composite material pultrusion machine Download PDFInfo
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- CN220163278U CN220163278U CN202320496196.2U CN202320496196U CN220163278U CN 220163278 U CN220163278 U CN 220163278U CN 202320496196 U CN202320496196 U CN 202320496196U CN 220163278 U CN220163278 U CN 220163278U
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- mandrel
- feeding device
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- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 14
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The utility model relates to a yarn feeding device of a composite material pultrusion machine, which comprises a frame, wherein a placing rack and a moving mechanism are arranged in the frame, the moving mechanism drives the placing rack to move horizontally, and a plurality of placing mechanisms distributed in a rectangular array are arranged on the placing rack; the placing mechanism comprises a mandrel and a connecting rod, the mandrel is horizontally placed, the mandrel is perpendicular to the moving direction of the placing frame, the connecting rod is parallel to the mandrel, the mandrel and the connecting rod are fixedly connected with a frame, two ends of the mandrel are coaxially and rotatably connected with sleeves, and tension adjusting assemblies are arranged on the two sleeves; the tension of the yarns on the single yarn cylinder is adjusted by independently adjusting the tightness of the brake belt, the tension of the yarns on all yarn cylinders is adjusted simultaneously by the movement of the placing frame, the tightening force is monitored in real time by the tension sensor, and the stability and controllability of the conveying tension are ensured, so that the yarns are led out according to the design requirement in the forming process, confusion does not occur, and the strength of a pultrusion product is ensured.
Description
Technical Field
The utility model relates to a yarn feeding device of a composite material pultrusion machine, and belongs to the field of creels.
Background
The fiber reinforced composite material is used in several structural parts instead of metal steel and aluminum, and the pultrusion process is one continuous production process of fiber reinforced resin composite material, and the continuous fiber soaked with resin glue solution is passed through forming mold with certain cross section, cured in the mold cavity, further cured after being taken out of the mold and drawn out continuously under the action of drawing mechanism. The equipment for realizing the forming of the pultrusion process is mainly a pultrusion machine and generally consists of five parts, namely a yarn feeding device, an impregnating device, a forming die, a curing device, a traction device and a cutting device. The composite material pultrusion product is widely applied to the fields of electrical equipment, building products, transportation products, energy development products and the like by virtue of the outstanding physical and mechanical properties, high automation degree in the forming process, high production efficiency and the like.
The composite material pultrusion process is a longitudinal continuous forming process, and the longitudinal specific strength and the specific rigidity of the composite material are particularly outstanding. The yarn discharging is to place the reinforcing materials on the creel and lead out the materials according to the design requirement, and the comprehensive performance of the pultruded product can be fully exerted only when the reinforcing materials are placed at the correct positions, so that the purpose of product design is realized, and the yarn feeding device is the device for completing the process.
The utility model patent with the application number of CN201921421555.8 discloses a creel for producing a composite material pultrusion profile, which comprises a bottom plate, limiting plates, a top plate, mounting plates, supporting mechanisms and fixing mechanisms, wherein pulleys are arranged at the bottom of the bottom plate, the limiting plates are arranged at two sides of the top of the bottom plate, the bottom of the top plate is fixedly connected with the top of the limiting plates, the mounting plates are arranged between the limiting plates, the top of the mounting plates is fixedly connected with the bottom of the top plate, the bottom of the top plate is fixedly connected with the top of the bottom plate, one side of each limiting plate is fixedly connected with a first wire guide plate, and a plurality of first wire holes are formed in the first wire guide plate. According to the utility model, the triangular support is formed between the support plate and the ground, so that the device is more stable under the support action of the support plate, the device is more stable in use, and meanwhile, the fixing roller can be taken out by screwing off the bolts at the corresponding positions of the fixing roller at the damaged position, thereby facilitating the maintenance and replacement of the fixing roller. However, in the prior art, since the pultruded product is usually formed by hundreds of yarns, and the yarns are difficult to ensure to receive enough traction force in the yarn feeding process, the yarns are loose and disordered, and the yarns cannot be led out according to the design requirement in the forming process, so that the strength of the pultruded product is affected.
Therefore, a yarn feeding device of a composite material pultrusion machine is needed to realize tension adjustment of each yarn barrel and the whole body in carbon fiber pultrusion, so that carbon fibers are conveyed according to designed technological parameters, stability and controllability of conveying tension are ensured, yarns are led out according to design requirements in the forming process, confusion is avoided, and strength of a pultruded product is ensured.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to overcome the defects in the prior art, the yarn feeding device of the composite material pultrusion machine is provided for realizing tension adjustment of each yarn barrel and the whole body in the pultrusion of the carbon fiber, so that the carbon fiber is transmitted according to the designed technological parameters, and the stability and the controllability of the transmission tension are ensured, thereby leading yarns out according to the design requirements in the forming process, avoiding confusion and ensuring the strength of a pultrusion product.
The utility model solves the problems by adopting the following technical scheme: the yarn feeding device of the composite material pultrusion machine comprises a frame, wherein a placing rack and a moving mechanism are arranged in the frame, the moving mechanism drives the placing rack to horizontally move, and a plurality of placing mechanisms distributed in a rectangular array are arranged on the placing rack;
the placing mechanism comprises a mandrel and a connecting rod, the mandrel is horizontally placed, the mandrel is perpendicular to the moving direction of the placing frame, the connecting rod is parallel to the mandrel, the mandrel and the connecting rod are fixedly connected with the frame, two ends of the mandrel are coaxially and rotatably connected with sleeves, tension adjusting assemblies are arranged on the two sleeves, and the tension adjusting assemblies are connected with the frame;
the tension adjusting assembly comprises a rotating wheel, a brake band and an adjusting unit, the rotating wheel is coaxially and fixedly arranged on a sleeve, one end of the brake band is fixedly sleeved on a connecting rod, the other end of the brake band bypasses the rotating wheel and is fixedly connected with a frame through the adjusting unit, the brake band and the adjusting unit are distributed along the moving direction of the frame, the brake band is controlled to wind the tightness of the rotating wheel through the adjusting unit, and all the adjusting units are simultaneously controlled to wind the tightness of the rotating wheel through the movement of a placing frame.
Preferably, the adjusting unit comprises a connecting plate fixedly arranged on the placing frame, a screw is arranged on the connecting plate in a penetrating manner, the screw is parallel to the moving direction of the placing frame, the connecting plate and the screw are both positioned on the same side of the brake band, a nut is connected to the screw in a threaded manner, the nut abuts against one side, far away from the brake band, of the connecting plate, and one end, far away from the connecting rod, of the brake band is elastically connected with the screw.
Preferably, a spring is arranged between the screw and the brake band, one end of the spring is arranged on the screw, the other end of the spring is connected with one end, far away from the connecting rod, of the brake band, and the spring is in a stretching state.
Preferably, the screw is a rotary fisheye screw.
Preferably, the nut is a butterfly nut.
Preferably, the moving mechanism comprises a tightening cylinder which is horizontally arranged, the tightening cylinder is perpendicular to the mandrel, a cylinder body of the tightening cylinder is fixedly arranged on the frame, and a piston end of the tightening cylinder is connected with the placement frame through a tension sensor.
Preferably, the piston end of the tightening cylinder is connected with the tension sensor through a floating joint.
Preferably, the top and the bottom of the frame are both fixedly provided with baffles, the frame is fixedly provided with a plurality of endurance plates along two sides of the moving direction of the rack, the endurance plates on the same side of the frame are arranged at intervals from top to bottom, and the two sides of the horizontal direction of the frame, which are perpendicular to the moving direction of the rack, are both fixedly provided with panels.
Preferably, a yarn feeding plate is arranged between two vertically adjacent endurance plates, the yarn feeding plate is fixedly connected with the frame, and a plurality of yarn feeding holes are formed in the yarn feeding plate.
Preferably, the air pressure inside the frame is less than the air pressure outside the frame.
Compared with the prior art, the utility model has the advantages that:
according to the yarn feeding device of the composite material pultrusion machine, tension adjustment of yarns on a single yarn cylinder is achieved through independently adjusting tightness of the brake belt, tension of the yarns on all the yarn cylinders is adjusted simultaneously through movement of the placing frame, tightening force is monitored in real time through the tension sensor, stability and controllability of conveying tension are guaranteed, and therefore the yarns are led out according to design requirements in the forming process, confusion does not occur, and strength of a pultrusion product is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a yarn feeder of a composite pultrusion machine according to the present utility model;
FIG. 2 is a schematic view showing the internal structure of a yarn feeding device of a composite material pultrusion machine according to the present utility model;
FIG. 3 is a schematic view of a structure of a rack;
FIG. 4 is a first schematic view of the placement mechanism;
FIG. 5 is a second schematic view of the placement mechanism;
FIG. 6 is a schematic structural view of the adjusting unit;
FIG. 7 is a schematic diagram of a movement mechanism;
fig. 8 is a schematic structural view of the yarn feeding plate.
Wherein: the device comprises a frame 1, a baffle 11, a endurance plate 12, a panel 13, a yarn feeding plate 14, a yarn feeding hole 15, a placing frame 2, a moving mechanism 3, a tightening cylinder 31, a tension sensor 32, a floating joint 33, a placing mechanism 4, a mandrel 41, a connecting rod 42, a sleeve 43, a bearing 44, a tension adjusting component 45, a rotating wheel 45.1, a brake band 45.2, an adjusting unit 45.3, a connecting plate 45.31, a screw 45.32, a nut 45.33 and a spring 45.34.
Detailed Description
As shown in fig. 1-8, a yarn feeding device of a composite material pultrusion machine in this embodiment includes a frame 1, wherein baffles 11 are fixedly disposed at the top and bottom of the frame 1, panels 13 are fixedly disposed at the front side and the rear side of the frame 1, a plurality of endurance plates 12 are fixedly disposed at the left and right sides of the frame 1, the plurality of endurance plates 12 at the same side of the frame 1 are arranged at intervals from top to bottom, a yarn feeding plate 14 is disposed between two vertically adjacent endurance plates 12, the yarn feeding plate 14 is fixedly connected with the frame 1, a plurality of yarn feeding holes 15 are disposed on the yarn feeding plate 14, during yarn feeding, yarn passes through the yarn feeding holes 15, a placement frame 2 is disposed in the frame 1, the placement frame 2 is slidably connected with the frame 1, a plurality of placement mechanisms 4 distributed in rectangular array are disposed on the placement frame 2, the placement mechanisms 4 are used for placing yarn cylinders, a moving mechanism 3 is further disposed on the frame 1, and the placement mechanism 3 drives the placement frame 2 to move left and right;
the placement mechanism 4 comprises a mandrel 41 and a connecting rod 42, the mandrel 41 is parallel to the front-back direction, the connecting rod 42 is parallel to the mandrel 41, the mandrel 41 and the connecting rod 42 are fixedly connected with the frame 1, two ends of the mandrel 41 are respectively provided with a sleeve 43, the sleeves 43 are arranged on the mandrel 41 through bearings 44, tension adjusting assemblies 45 are respectively arranged on the two sleeves 43, and the tension adjusting assemblies 45 are connected with the frame 1;
a plurality of yarn barrels are correspondingly arranged on each sleeve 43 one by one, in the yarn feeding process, the yarn barrels drive the sleeves 43 to rotate through traction acting force, independent tension adjustment of yarns on the corresponding yarn barrels is realized through tension adjusting assemblies 45, so that the tension of the yarns on all the yarn barrels can be kept consistent, and the moving mechanism 3 drives the rack 2 to move in the left-right direction, so that the tension adjusting assemblies 45 can simultaneously adjust the tension of the yarns on all the yarn barrels;
the tension adjusting assembly 45 comprises a rotating wheel 45.1, a brake belt 45.2 and an adjusting unit 45.3, wherein the rotating wheel 45.1 is coaxially and fixedly arranged on the sleeve 43, one end of the brake belt 45.2 is fixedly sleeved on the connecting rod 42, and the other end of the brake belt 45.2 bypasses the rotating wheel 45.1 and is fixedly connected with the frame 1 through the adjusting unit 45.3;
the rotation of the sleeve 43 drives the rotating wheel 45.1 to rotate, the tightness of the corresponding brake belts 45.2 wound on the rotating wheel 45.1 is adjusted through the adjusting units 45.3, so that the tension of yarns on the yarn drum is independently adjusted, and all the brake belts 45.2 are driven through the adjusting units 45.3 to simultaneously realize the adjustment of the tightness when the rack 2 moves.
The adjusting unit 45.3 comprises a connecting plate 45.31 fixedly arranged on the placing frame 2, a screw 45.32 is arranged on the connecting plate 45.31 in a penetrating manner, the screw 45.32 is parallel to the left-right direction, the connecting plate 45.31 and the screw 45.32 are both positioned on the left side of the brake band 45.2, a nut 45.33 is connected to the screw 45.32 in a threaded manner, the nut 45.33 abuts against the left side of the connecting plate 45.31, a spring 45.34 is arranged between the screw 45.32 and the brake band 45.2, one end of the spring 45.34 is arranged on the screw 45.32, the other end of the spring 45.34 is connected with one end, far away from the connecting rod 42, of the brake band 45.2, the spring 45.34 is in a stretched state, the screw 45.32 is a rotary fish-eye screw, and the nut 45.33 is a butterfly nut;
the nut 45.33 is rotated to enable the screw 45.32 to move, when the screw 45.32 moves rightwards, the tension of the spring 45.34 on the brake band 45.2 is reduced, so that the tightness of the brake band 45.2 around the rotating wheel 45.1 is reduced, and when the screw 45.32 moves reversely, the tension of the spring 45.34 on the brake band 45.2 is increased, so that the tightness of the brake band 45.2 around the rotating wheel 45.1 is increased, namely, the independent tension adjustment of yarns on the yarn drum is realized;
during the left-right movement of the placement frame 2, when the placement frame 2 moves leftwards, all the connecting plates 45.31 are driven to synchronously move rightwards, the corresponding screws 45.32 are driven to move rightwards through all the nuts 45.33, the tension of all the springs 45.34 on the corresponding brake belts 45.2 is reduced, so that the tightness of all the brake belts 45.2 wound on the corresponding rotating wheels 45.1 is reduced, when the placement frame 2 moves reversely, all the connecting plates 45.31 are driven to synchronously move leftwards, the corresponding screws 45.32 are driven to move leftwards through all the nuts 45.33, the tension of all the springs 45.34 on the corresponding brake belts 45.2 is increased, and the simultaneous tension adjustment of yarns on all the bobbins is realized.
The moving mechanism 3 comprises a tightening cylinder 31, a cylinder body of the tightening cylinder 31 is fixedly arranged on the frame 1, a piston end of the tightening cylinder 31 is connected with the placing frame 2 through a tension sensor 32, a piston end of the tightening cylinder 31 is connected with the tension sensor 32 through a floating joint 33, the tightening cylinder 31 drives the placing frame 2 to move left and right, and tightening force is monitored in real time through the tension sensor 32.
The internal air pressure of the frame 1 is smaller than the external air pressure of the frame 1, during working, the frame 1 is externally connected with an air extractor, so that the air in the frame 1 is discharged to form negative pressure, suction is generated on yarns outside the frame 1 through the air pressure, and the yarn tensioning effect is improved.
In addition to the above embodiments, the present utility model also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present utility model.
Claims (10)
1. A composite material pultrusion machine yarn feeding device is characterized in that: the device comprises a frame (1), wherein a placing frame (2) and a moving mechanism (3) are arranged in the frame (1), the moving mechanism (3) drives the placing frame (2) to move horizontally, and a plurality of placing mechanisms (4) distributed in a rectangular array are arranged on the placing frame (2);
the placement mechanism (4) comprises a mandrel (41) and a connecting rod (42), the mandrel (41) is horizontally placed, the mandrel (41) is perpendicular to the moving direction of the placement frame (2), the connecting rod (42) is parallel to the mandrel (41), the mandrel (41) and the connecting rod (42) are fixedly connected with the frame (1), two ends of the mandrel (41) are coaxially and rotatably connected with sleeves (43), tension adjusting assemblies (45) are arranged on the two sleeves (43), and the tension adjusting assemblies (45) are connected with the frame (1);
the tension adjusting assembly (45) comprises a rotating wheel (45.1), a brake band (45.2) and an adjusting unit (45.3), wherein the rotating wheel (45.1) is coaxially and fixedly arranged on a sleeve (43), one end of the brake band (45.2) is fixedly sleeved on a connecting rod (42), the other end of the brake band (45.2) bypasses the rotating wheel (45.1) and is fixedly connected with the frame (1) through the adjusting unit (45.3), the brake band (45.2) and the adjusting unit (45.3) are distributed along the moving direction of the frame (1), the adjusting unit (45.3) is used for controlling the tightness of the brake band (45.2) around the rotating wheel (45.1), and all the adjusting units (45.3) are used for simultaneously controlling the tightness of the corresponding brake band (45.2) around the rotating wheel (45.1) through the movement of a placing frame (2).
2. A composite pultrusion yarn feeding device according to claim 1, characterized in that: the utility model provides an adjusting unit (45.3) is including fixed connecting plate (45.31) that sets up on rack (2), wear to be equipped with screw (45.32) on connecting plate (45.31), screw (45.32) are parallel with rack (2) direction of movement, connecting plate (45.31) and screw (45.32) all are located the homonymy of brake band (45.2), threaded connection has nut (45.33) on screw (45.32), one side of keeping away from brake band (45.2) of nut (45.33) and connecting plate (45.31) is supported and is leaned on, one end of keeping away from connecting rod (42) of brake band (45.2) and screw (45.32) elastic connection.
3. A composite pultrusion yarn feeding device according to claim 2, characterized in that: a spring (45.34) is arranged between the screw (45.32) and the brake band (45.2), one end of the spring (45.34) is arranged on the screw (45.32), the other end of the spring (45.34) is connected with one end, far away from the connecting rod (42), of the brake band (45.2), and the spring (45.34) is in a stretching state.
4. A composite pultrusion yarn feeding device according to claim 3, characterized in that: the screw (45.32) is a rotary fish-eye screw.
5. A composite pultrusion yarn feeding device according to claim 2, characterized in that: the nut (45.33) is a butterfly nut.
6. A composite pultrusion yarn feeding device according to claim 1, characterized in that: the moving mechanism (3) comprises a tightening cylinder (31) which is horizontally arranged, the tightening cylinder (31) is perpendicular to the mandrel (41), a cylinder body of the tightening cylinder (31) is fixedly arranged on the frame (1), and a piston end of the tightening cylinder (31) is connected with the placement frame (2) through a tension sensor (32).
7. A composite pultrusion yarn feeding device according to claim 6, characterized in that: the piston end of the tightening cylinder (31) is connected with the tension sensor (32) through a floating joint (33).
8. A composite pultrusion yarn feeding device according to claim 1, characterized in that: the top and the bottom of frame (1) are all fixed and are provided with baffle (11), frame (1) is along the both sides on rack (2) direction of movement all fixed a plurality of endurance boards (12) that are provided with, a plurality of endurance boards (12) top-down interval arrangement of frame (1) homonymy, the both sides on frame (1) horizontal direction perpendicular to rack (2) direction of movement are all fixed and are provided with panel (13).
9. A composite pultrusion yarn feeding device according to claim 8, characterized in that: yarn feeding plates (14) are arranged between two vertically adjacent endurance plates (12), the yarn feeding plates (14) are fixedly connected with the frame (1), and a plurality of yarn feeding holes (15) are formed in the yarn feeding plates (14).
10. A composite pultrusion yarn feeding device according to claim 9, characterized in that: the air pressure inside the frame (1) is smaller than the air pressure outside the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496196.2U CN220163278U (en) | 2023-03-15 | 2023-03-15 | Yarn feeding device of composite material pultrusion machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496196.2U CN220163278U (en) | 2023-03-15 | 2023-03-15 | Yarn feeding device of composite material pultrusion machine |
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| CN220163278U true CN220163278U (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320496196.2U Active CN220163278U (en) | 2023-03-15 | 2023-03-15 | Yarn feeding device of composite material pultrusion machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117446592A (en) * | 2023-12-21 | 2024-01-26 | 潍坊和新昊达纺织有限公司 | Elastic weft yarn winding equipment |
-
2023
- 2023-03-15 CN CN202320496196.2U patent/CN220163278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117446592A (en) * | 2023-12-21 | 2024-01-26 | 潍坊和新昊达纺织有限公司 | Elastic weft yarn winding equipment |
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