CN215557863U

CN215557863U - Yarn spreading device of four-film pre-dipping equipment

Info

Publication number: CN215557863U
Application number: CN202121884885.8U
Authority: CN
Inventors: 颜金本; 叶美和; 张仁钦
Original assignee: Xiamen Xinmeihe Equipment Manufacturing Co ltd
Current assignee: Xiamen Xinmeihe Equipment Manufacturing Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-18
Anticipated expiration: 2031-08-12

Abstract

The application discloses exhibition yarn device of four membrane preimpregnation equipment includes: the frame sets gradually first yarn roller, the second of advancing in the frame and advances yarn roller, pressure yarn roller set, flexible comb and a plurality of exhibition yarn roller set, is equipped with flexible comb No. two between a plurality of exhibition yarn roller sets, and wherein, exhibition yarn roller set includes: a first guide rod arranged on the frame, a second guide rod arranged on one side of the first guide rod in parallel, and a lifting mechanism driving the second guide rod to lift. The application can adjust the tension of the fiber tows, and the yarn spreading is ensured to be even.

Description

Yarn spreading device of four-film pre-dipping equipment

Technical Field

The utility model relates to the technical field of prepreg production equipment, in particular to a yarn spreading device of four-film prepreg equipment.

Background

The unidirectional prepreg is prepared by releasing multi-axial cheese fibers together, flattening, resin melting and impregnating, glue extruding, rolling and rolling to form a unidirectional continuous belt with uniform thickness and parallel fibers. In the process of preparing the prepreg, if the tension of the fibers is uneven, the fibers of the prepreg cannot be arranged in parallel, so that the mechanical property of the composite material is seriously influenced.

Disclosure of Invention

The utility model aims to provide a yarn spreading device of four-film pre-dipping equipment, which is adjustable in tension and uniform in yarn spreading.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

a yarn spreading device of a four-film pre-dipping device comprises: the yarn feeding device comprises a rack, a first yarn feeding roller, a second yarn feeding roller, a yarn pressing roller set, a first telescopic comb and a plurality of yarn spreading roller sets, wherein the first yarn feeding roller, the second yarn feeding roller, the yarn pressing roller set, the first telescopic comb and the plurality of yarn spreading roller sets are sequentially arranged on the rack; the set of spreading rollers comprises: the lifting mechanism comprises a first guide rod arranged on the rack, a second guide rod arranged on one side of the first guide rod in parallel, and a lifting mechanism driving the second guide rod to lift.

Further, elevating system is including locating the spiral lift at second guide arm both ends, spiral lift includes: the worm gear reducer is fixed on the rack, the lead screw is installed in the worm gear reducer, the shaft end of the second guide rod is installed at the top end of the lead screw, and the worm gear reducer drives the lead screw to move up and down so as to drive the second guide rod to lift up and down.

Furthermore, the input shafts of the worm gear speed reducers at the two ends of the second guide rod are connected with the coupling through the connecting rod, and the two worm gear speed reducers are driven to rotate by the same motor.

Furthermore, the second guide rod is installed at the top end of the screw rod through a sliding block, and the sliding block is connected with a sliding rail installed on the rack in a sliding mode.

Further, the rack includes: the chassis is symmetrically arranged on the plurality of fixing plates on two sides of the chassis, the first guide rod is connected between the two fixing plates which are oppositely arranged, the worm gear speed reducer is arranged on the chassis, and the slide rail is arranged on the fixing plates.

Further, a strip-shaped slide rail mounting hole is formed in the fixing plate, the slide rails are mounted on the left side wall and the right side wall of the strip-shaped slide rail mounting hole, and the slide block is mounted between the two slide rails.

Furthermore, the fixing plate comprises an upper plate body and a lower plate body which are connected through a fastener, the lower plate body is fixed on the underframe, and a mounting hole for mounting the first guide rod is formed between the upper plate body and the lower plate body.

Further, the slider includes the portion of sliding and the fixed part of connecting through the fastener, the portion of sliding is installed on the slide rail, the fixed part is located the top or the below of the portion of sliding, seted up the installation between the two the mounting hole of second guide arm.

Further, still include: the first woven cloth sending roller and the second woven cloth sending roller are arranged on the rack, and the vibration device is arranged on the first guide rod.

Further, the nip roll group includes: the device comprises a lower compression roller, an upper compression roller, an air cylinder and a connecting plate, wherein the lower compression roller is rotatably connected to the rack, the upper compression roller is arranged right above the lower compression roller, the air cylinder and the connecting plate are arranged at two shaft ends of the upper compression roller, the bottom of a cylinder barrel of the air cylinder is pivoted with the rack, one end of the connecting plate is pivoted on a piston rod of the air cylinder, the other end of the connecting plate is pivoted on the rack, and the upper compression roller is rotatably connected between the two connecting plates.

By adopting the technical scheme, the utility model has the beneficial effects that:

(1) the exhibition yarn device of this application includes: the frame sets gradually first yarn roller, the second of advancing in the frame and advances yarn roller, pressure yarn roller set, flexible comb and a plurality of exhibition yarn roller set, is equipped with flexible comb No. two between a plurality of exhibition yarn roller sets, and wherein, exhibition yarn roller set includes: a first guide rod arranged on the frame, a second guide rod arranged on one side of the first guide rod in parallel, and a lifting mechanism driving the second guide rod to lift. This application makes the fibre silk bundle receive the pressure effect, combs the separation through flexible comb to and the tension regulation and control of fibre silk bundle, make fibre silk bundle parallel arrangement, spread, in order to guarantee the flat effect of exhibition of fibre silk bundle. Mutual independence between each exhibition yarn roller set of this application, all can independent control, can prevent because the cracked problem of fibre silk bundle that takes place of adjusting the dynamics too big, even certain exhibition yarn roller set tension regulation dynamics is too big or the undersize appears, through adjusting other exhibition yarn roller sets, can make the tension callback to normal level of fibre silk bundle, makes things convenient for in the tension regulation of fibre silk bundle.

(2) The lifting mechanism comprises spiral lifters arranged at two ends of the second guide rod, the worm of the turbine speed reducer is driven to rotate, the up-and-down movement of the screw rod is achieved, the lifting height can be accurately controlled and adjusted, the spiral lifters have a self-locking function, and the lifting safety of the second guide rod can be improved.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is a schematic top view of the present invention.

Wherein: 1. the automatic weaving machine comprises a machine frame, 11, a bottom frame, 12, a fixing plate, 121, an upper plate body, 122, a lower plate body, 2, a first yarn feeding roller, 3, a second yarn feeding roller, 4, a yarn pressing roller group, 41, an upper pressing roller, 42, a lower pressing roller, 43, an air cylinder, 44, a connecting plate, 5, a first woven cloth sending roller, 6, a second woven cloth sending roller, 7, a first telescopic comb, 8, a yarn spreading roller group, 81, a first guide rod, 82, a second guide rod, 83, a spiral lifter, 84, a lead screw, 85, a connecting rod, 86, a coupler, 87, a sliding block, 871, a sliding part, 872, a fixing part, 88, a sliding rail and 9, a second telescopic comb.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description.

As shown in fig. 1 to 3, the yarn spreading device of the four-film pre-dipping apparatus of the present application includes: frame 1, set gradually first yarn roller 2, the second of advancing in frame 1 and advance yarn roller 3, pressure yarn roller set 4, a flexible comb 7 and a plurality of exhibition yarn roller set 8, be equipped with flexible comb 9 No. two between a plurality of exhibition yarn roller sets 8, wherein, exhibition yarn roller set 8 includes: the device comprises a first guide rod 81, a second guide rod 82 and a lifting mechanism, wherein the first guide rod 81 is installed on the machine frame 1, and the second guide rod 82 is arranged on one side of the first guide rod 81 in parallel and driven to lift by the lifting mechanism. This application makes the fibre silk bundle under the pressure effect, produces the purpose that the lateral displacement reached the widening, paves the inside single silk bundle of fibre silk bundle, uses flexible comb to comb the fibre silk bundle simultaneously and separates, regulates and control the tension of fibre silk bundle through the yarn roller that opens, makes fibre silk bundle parallel arrangement, spreads to guarantee the flat effect of the exhibition of fibre silk bundle. Mutual independence between each exhibition yarn roller set 8 of this application, all can independent control, can prevent the cracked problem of fibre silk bundle because the regulation dynamics is too big and take place, even 8 tension adjustment dynamics too big or undersize of certain exhibition yarn roller set appear, through adjusting other exhibition yarn roller sets 8, can make the tension callback of fibre silk bundle to normal level, make things convenient for in the tension adjustment of fibre silk bundle.

Specifically, the lifting mechanism includes a screw lifter 83 provided at both ends of the second guide rod 82, and the screw lifter 83 includes: the worm gear reducer is fixed on the rack 1, the screw 84 is installed in the worm gear reducer, the shaft end of the second guide rod 82 is installed at the top end of the screw 84, and the screw 84 moves up and down under the driving of the worm gear reducer so as to drive the second guide rod 82 to move up and down. Spiral lift 83 simple structure, small, light in weight, it is simple to maintain, the low noise, bear the weight of greatly, do not receive the restriction of size and space, the cost is low, position control is accurate, can accurately control the lifting height of adjustment second guide arm 82, spiral lift 83's internal mechanism is with worm gear and trapezoidal lead screw 84 initiative transmission, self-locking function has, even apply very big load on lead screw 84, can not cause lead screw 84 to move down yet, the worm can not reverse yet, guarantee the reliability and the security that second guide arm 82 goes up and down.

The input shafts of the worm gear reducers at the two ends of the second guide rod 82 can be connected with the coupler 86 through the connecting rod 85, and one motor is used for driving the two worm gear reducers to move synchronously, so that the second guide rod 82 is always parallel to the first guide rod 81 in the lifting process, and the tension on each fiber is consistent.

In order to ensure the stability of the second guide rod 82 in the lifting process and avoid the large stress on one side of the screw rod 84, a slide rail 88 and a slide block 87 mechanism are mounted on the machine frame 1 to guide the lifting of the screw rod 84 so as to counteract the lateral force applied to the screw rod 84. Specifically, the slide block 87 is fixed at the top end of the screw 84, the second guide rod 82 is mounted on the slide block 87, and the slide block 87 is slidably connected with the slide rail 88 mounted on the frame 1, so that the lateral force is borne on the slide rail 88, and the overall operation stability of the screw 84 is ensured.

The frame 1 of the present application includes: chassis 11, a plurality of fixed plates 12 of chassis 11 both sides are located to the symmetry, and first guide arm 81 is installed between two fixed plates 12 of relative setting, and on worm gear reducer installation chassis 11, slide rail 88 was installed on fixed plate 12, specifically, has seted up bar slide rail 88 mounting hole on the fixed plate 12, installs slide rail 88 on the left and right sides wall of bar slide rail 88 mounting hole, and slider 87 installs between two slide rails 88.

In order to facilitate the installation of the first guide rod 81 and the second guide rod 82, the fixing plate 12 includes an upper plate 121 and a lower plate 122, the two plates are connected by a fastener, the lower plate 122 is fixed on the bottom frame 11, an installation hole for installing the first guide rod 81 is formed between the upper plate 121 and the lower plate 122, the slider 87 includes a sliding portion 871 and a fixing portion 872, the two plates are connected by the fastener, the sliding portion 871 is installed on the slide rail 88, the fixing portion 872 is installed above or below the sliding portion 871, and an installation hole for installing the second guide rod 82 is formed between the fixing portion 872 and the sliding portion 871.

The first guide rod 81 is provided with a vibration device, vibration yarn unfolding is introduced, and the vibration device controls the first yarn unfolding roller 81 to vibrate, so that the yarn unfolding efficiency is improved, and the yarn unfolding effect is further enhanced.

The nip roll group 4 of the present application includes: the press roller assembly comprises a lower press roller 42 rotationally connected to the frame 1, an upper press roller 41 arranged right above the lower press roller 42, an air cylinder 43 and a connecting plate 44 arranged at two shaft ends of the upper press roller 41, wherein the bottom of a cylinder barrel of the air cylinder 43 is pivoted with the frame 1, one end of the connecting plate 44 is pivoted on a piston rod of the air cylinder 43, the other end of the connecting plate 44 is pivoted on the frame 1, and the upper press roller 41 is rotationally connected between the two connecting plates 44. The cylinder 43 drives the upper compression roller 41 to lift by driving the connecting plate 44 to rotate around the other end of the connecting plate 44, and compared with the cylinder 43 which is directly used for driving the upper compression roller 41 to lift, the pressure of the load borne by the cylinder 43 is reduced to some extent, the normal use of the cylinder 43 is ensured, and the service life of the cylinder 43 is prolonged.

In this embodiment, still be equipped with first weaving cloth send roller 5 and second weaving cloth send roller 6 in the frame to realize a tractor serves two purposes of this application, make this application also can be used to produce and use the preimpregnation material of weaving cloth as reinforcing material, specifically speaking, will weave cloth and install on first weaving cloth send roller 5 and second weaving cloth send roller 6, carry out the tensioning back to weaving cloth through exhibition yarn roller group, send into next process.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A yarn spreading device of a four-film pre-dipping device is characterized by comprising: the yarn feeding device comprises a rack, a first yarn feeding roller, a second yarn feeding roller, a yarn pressing roller set, a first telescopic comb and a plurality of yarn spreading roller sets, wherein the first yarn feeding roller, the second yarn feeding roller, the yarn pressing roller set, the first telescopic comb and the plurality of yarn spreading roller sets are sequentially arranged on the rack; the set of spreading rollers comprises: the lifting mechanism comprises a first guide rod arranged on the rack, a second guide rod arranged on one side of the first guide rod in parallel, and a lifting mechanism driving the second guide rod to lift.

2. The yarn spreading device of a quad pre-preg apparatus according to claim 1, wherein the lifting mechanism comprises a spiral lifter disposed at both ends of the second guide rod, the spiral lifter comprises: the worm gear reducer is fixed on the rack, the lead screw is installed in the worm gear reducer, the shaft end of the second guide rod is installed at the top end of the lead screw, and the worm gear reducer drives the lead screw to move up and down so as to drive the second guide rod to lift up and down.

3. The yarn spreading device of the four-film pre-dipping device according to claim 2, wherein the input shafts of the worm gear reducers at the two ends of the second guide rod are connected through a connecting rod and a coupling, and the two worm gear reducers are driven to rotate by the same motor.

4. The yarn spreading device of the four-film pre-dipping device according to claim 2, wherein the second guide rod is mounted at the top end of the screw rod through a sliding block, and the sliding block is slidably connected with a sliding rail mounted on the frame.

5. The yarn spreading device of the four-film pre-dipping apparatus according to claim 4, wherein the frame comprises: the chassis is symmetrically arranged on the plurality of fixing plates on two sides of the chassis, the first guide rod is connected between the two fixing plates which are oppositely arranged, the worm gear speed reducer is arranged on the chassis, and the slide rail is arranged on the fixing plates.

6. The yarn spreading device of the four-film pre-dipping equipment as claimed in claim 5, wherein the fixing plate is provided with a strip-shaped slide rail mounting hole, the slide rails are mounted on the left side wall and the right side wall of the strip-shaped slide rail mounting hole, and the slide block is mounted between the two slide rails.

7. The yarn spreading device of a four-film pre-dipping device as claimed in claim 6, wherein the fixing plate comprises an upper plate and a lower plate connected by a fastener, the lower plate is fixed on the bottom frame, and a mounting hole for mounting the first guide rod is formed between the upper plate and the lower plate.

8. The yarn spreading device of the four-film pre-dipping device according to claim 4, wherein the sliding block comprises a sliding part and a fixing part which are connected through a fastener, the sliding part is mounted on the sliding rail, the fixing part is arranged above or below the sliding part, and a mounting hole for mounting the second guide rod is arranged between the sliding part and the fixing part.

9. The yarn spreading device of the four-film pre-dipping apparatus according to claim 1, further comprising: the first woven cloth sending roller and the second woven cloth sending roller are arranged on the rack, and the vibration device is arranged on the first guide rod.

10. The yarn spreading device of the four-film pre-dipping device according to claim 1, wherein the yarn pressing roller group comprises: the device comprises a lower compression roller, an upper compression roller, an air cylinder and a connecting plate, wherein the lower compression roller is rotatably connected to the rack, the upper compression roller is arranged right above the lower compression roller, the air cylinder and the connecting plate are arranged at two shaft ends of the upper compression roller, the bottom of a cylinder barrel of the air cylinder is pivoted with the rack, one end of the connecting plate is pivoted on a piston rod of the air cylinder, the other end of the connecting plate is pivoted on the rack, and the upper compression roller is rotatably connected between the two connecting plates.