CN215518081U

CN215518081U - Cutting device for carbon fiber prepreg cloth

Info

Publication number: CN215518081U
Application number: CN202120810887.6U
Authority: CN
Inventors: 戴学基; 徐文波; 李建强
Original assignee: Weihai Zhongli Composite Material Co ltd
Current assignee: Weihai Zhongli Composite Material Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-01-14
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a cutting device for carbon fiber prepreg cloth, which comprises a base, wherein two first supports are arranged on the upper side wall of the base, a winding roller is arranged between the two first supports, cloth is wound on the outer wall of the winding roller, two second supports are fixedly connected to the upper side wall of the base, two adjusting rollers are symmetrically arranged between the two second supports, and two ends of each adjusting roller are fixedly connected with rotating shafts which are arranged on the outer walls of the two supports in a sliding manner. According to the cloth cutting machine, the two adjusting rollers can always press the surface of the cloth through the elastic action of the springs, so that the condition that wrinkles are generated in the cloth cutting process is avoided, meanwhile, the distance between the two n-shaped frames is adjusted through rotating the double-end threaded rod, the limiting effect on the edges of two ends of the cloth with different thicknesses is realized, the cloth is prevented from deviating in the cloth cutting process, and the cloth cutting quality is improved.

Description

Cutting device for carbon fiber prepreg cloth

Technical Field

The utility model relates to the technical field of carbon fiber prepreg processing, in particular to a cutting device for carbon fiber prepreg.

Background

The prepreg is an intermediate material for manufacturing the composite material and the parts thereof, forms a basic unit of the composite material, and is an important link for ensuring the quality and reliability of the composite material and the parts thereof. The carbon fiber prepreg is prepared by compounding epoxy resin on carbon fibers by a high-pressure high-temperature technology. The composite material is made of carbon fiber yarn, epoxy resin, release paper and other materials through the processes of coating, hot pressing, cooling, coating, winding and the like, and is called carbon fiber prepreg, namely carbon fiber prepreg cloth. The prepreg is called because it is only the preliminary impregnation of resin and carbon fiber, and the final impregnation is performed when the product is molded.

The existing carbon fiber prepreg cloth is easy to deviate in the cutting process, and the surface of the prepreg cloth is easy to wrinkle, so that the processing quality of the prepreg cloth is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the background art and provides a cutting device for carbon fiber prepreg.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cutting device for carbon fiber prepreg cloth comprises a base, wherein two first supports are mounted on the upper side wall of the base, a winding roller is arranged between the two first supports, cloth is wound on the outer wall of the winding roller, the upper side wall of the base is fixedly connected with two second supports, two adjusting rollers are symmetrically arranged between the two second supports, two ends of each adjusting roller are fixedly connected with rotating shafts which are arranged on the outer walls of the two supports in a sliding manner, the outer walls of two ends of each rotating shaft are sleeved with limit blocks which are contacted with the two opposite side walls of the two supports, the outer wall of each limit block is fixedly connected with bearings which are fixedly sleeved on the outer walls of the rotating shafts at the same side, springs are fixedly connected between the two limit blocks at the same side, a double-end threaded rod is arranged between the two second supports in a penetrating manner, and the thread directions of the outer walls at two ends of the double-end threaded rod are arranged in an opposite manner, the outer wall threaded connection of double-end threaded rod has two n type framves that contact with the dancer rools outer wall.

Preferably, the width of each n-type frame is equal to the diameter of each adjusting roller.

Preferably, every equal fixedly connected with fixed block of both sides lateral wall of support one, every the equal threaded connection of last lateral wall of fixed block has the bolt, a plurality of screw holes with bolt engaged with are seted up to the last lateral wall of base.

Preferably, the upper side wall of the base is provided with a guide roller positioned between the winding roller and the adjusting roller.

Preferably, the outer wall of each second support is provided with a sliding groove matched with the rotating shaft.

Preferably, the end of the double-end threaded rod is fixedly connected with a rotary table.

Compared with the prior art, this a cutting device for carbon fiber prepreg cloth's advantage lies in:

1. the adjusting rollers and the springs are arranged, when the cloth with different thicknesses passes between the two adjusting rollers, due to the elastic action of the springs, the two limiting blocks drive each rotating shaft to move up and down freely, so that the two adjusting rollers are always attached to the surface of the cloth, the surface of the cloth is pressed, the phenomenon that the cloth generates wrinkles in the cutting process is avoided, and the cutting quality of the cloth is improved;

2. the double-threaded rod and the n-shaped frames are arranged, the double-threaded rod is driven to rotate by rotating the rotary table, and because the inner walls of the two n-shaped frames are in contact with the outer wall of the adjusting roller, the two n-shaped frames can only axially move along the outer wall of the adjusting roller, and are matched with two threads with opposite directions on the outer wall of the double-threaded rod, the two n-shaped frames reversely move under the rotation of the double-threaded rod, so that the distance between the two n-shaped frames is adjusted, the limiting effect on the edges of two ends of cloth with different thicknesses is further achieved, and the cloth is prevented from deviating in the cutting process;

3. the bolts are arranged, so that the winding roller 3 can be mounted and dismounted by screwing out and screwing in the bolts, and the cloth 15 on the winding roller 3 can be conveniently replaced;

in conclusion, the two adjusting rollers can always press the surface of the cloth through the elastic action of the spring, so that the phenomenon that the cloth is wrinkled in the cutting process is avoided, meanwhile, the distance between the two n-shaped frames is adjusted through rotating the double-end threaded rod, the limiting effect on the edges of two ends of the cloth with different thicknesses is realized, the cloth is prevented from deviating in the cutting process, and the cutting quality of the cloth is improved.

Drawings

FIG. 1 is a schematic structural diagram of a cutting device for carbon fiber prepreg according to the present invention;

FIG. 2 is a side view of the connection between the second bracket and the adjusting roller in the cutting device for carbon fiber prepreg cloth according to the present invention.

In the figure: the device comprises a base 1, a first support 2, a first winding roller 3, a guide roller 4, a second support 5, an adjusting roller 6, a rotating shaft 7, a limiting block 8, a bearing 9, a spring 10, a double-threaded rod 11, a 12 n-shaped frame, a rotary table 13, a sliding chute 14, cloth 15, a fixed block 16 and a bolt 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a cutting device for carbon fiber prepreg cloth, includes base 1, and the last lateral wall of base 1 is equipped with guide roll 4 that is located between winding up roller 3 and adjusting roll 6, and the setting of guide roll 4 can improve the rate of tension of cloth 15, has improved the stability when cloth 15 tailors.

Two supports one 2 are installed to base 1's last lateral wall, are equipped with winding up roller 3 between two supports one 2, the equal fixedly connected with fixed block 16 of the both sides lateral wall of every support one 2, the equal threaded connection of the last lateral wall of every fixed block 16 has bolt 17, a plurality of screw holes that mesh with bolt 17 are seted up to base 1's last lateral wall, through the back-out and the screw in of bolt 17, can realize that winding up roller 3's installation is dismantled, made things convenient for winding up roller 3 to go up the change of cloth 15.

The outer wall winding of winding up roller 3 has cloth 15, two supports two 5 of the last lateral wall fixedly connected with of base 1, and the symmetry is equipped with two regulating rollers 6 between two supports 5, and the equal fixedly connected with in both ends of every regulating roller 6 slides pivot 7 that sets up on two 5 outer walls of support, and the outer wall of every two supports 5 all is seted up with pivot 7 assorted spout 14 for two regulating rollers 6 can freely remove from top to bottom.

The both ends outer wall of every pivot 7 all overlaps the stopper 8 that contacts with two 5 mutually opposite side lateral walls of support, the equal fixedly connected with fixed cover of outer wall of every stopper 8 is established at the bearing 9 of 7 outer walls of homonymy pivot, be located common fixedly connected with spring 10 between two stoppers 8 of homonymy, when the cloth 15 of different thickness passes between two regulating rollers 6, because spring 10's elastic action, two stopper 8 drive about every pivot 7 free movement, thereby ensure that two regulating rollers 6 all can paste mutually with the surface of cloth 15 all the time, thereby compress tightly the surface of cloth 15, avoid cloth 15 to produce the condition emergence of fold at the in-process of tailorring, the quality of tailorring of cloth 15 has been improved.

A double-threaded rod 11 is arranged between the two second supports 5 in a penetrating mode, the end portion of the double-threaded rod 11 is fixedly connected with a rotary table 13, the thread directions of the outer walls of the two ends of the double-threaded rod 11 are arranged in an opposite mode, the outer wall of the double-threaded rod 11 is in threaded connection with two n-shaped frames 12 which are in contact with the outer wall of the adjusting roller 6, the width of each n-shaped frame 12 is equal to the diameter of each adjusting roller 6, the double-threaded rod 11 is driven to rotate by rotating the rotary table 13, because the inner walls of the two n-shaped frames 12 are in contact with the outer wall of the adjusting roller 6, the two n-shaped frames 12 can only move axially along the outer wall of the adjusting roller 6, and the two n-shaped frames move reversely under the rotation of the double-threaded rod 11 by matching with two threads in opposite directions on the outer wall of the double-threaded rod 11, the distance between the two n-shaped frames 12 is adjusted, and the limiting effect on the edges of the two ends of the cloth 15 with different thicknesses is achieved, the fabric 15 is prevented from shifting during the cutting process.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The operating principle of the present invention is now explained as follows:

when the cloth 15 with different thickness passes between the two adjusting rollers 6, the two limiting blocks 8 drive each rotating shaft 7 to move up and down freely due to the elastic action of the spring 10, thereby ensuring that the two adjusting rollers 6 are always attached to the surface of the cloth 15, further compressing the surface of the cloth 15, avoiding the occurrence of wrinkles generated in the cutting process of the cloth 15, improving the cutting quality of the cloth 15, and then driving the double-threaded rod 11 to rotate through the rotating turntable 13, because the inner walls of the two n-shaped frames 12 are both contacted with the outer wall of the adjusting rollers 6, the two n-shaped frames 12 can only move axially along the outer wall of the adjusting rollers 6, and are matched with two threads with opposite directions on the outer wall of the double-threaded rod 11, so that the two n-shaped frames move reversely under the rotation of the double-threaded rod 11, thereby adjusting the distance between the two n-shaped frames 12, and further achieving the limiting effect on the edges of the two ends of the cloth 15 with different thickness, the fabric 15 is prevented from shifting during the cutting process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The cutting device for the carbon fiber prepreg cloth comprises a base (1) and is characterized in that two first supports (2) are mounted on the upper side wall of the base (1), a winding roller (3) is arranged between the two first supports (2), cloth (15) is wound on the outer wall of the winding roller (3), two second supports (5) are fixedly connected to the upper side wall of the base (1), two adjusting rollers (6) are symmetrically arranged between the two second supports (5), rotating shafts (7) which are arranged on the outer walls of the two supports (5) in a sliding mode are fixedly connected to the two ends of each adjusting roller (6), limiting blocks (8) which are in contact with the side walls of the two supports (5) on the opposite sides are sleeved on the outer walls of the two ends of each rotating shaft (7), bearings (9) which are fixedly sleeved on the outer walls of the rotating shafts (7) are fixedly connected to the outer walls of the limiting blocks (8), be located the homonymy two common fixedly connected with spring (10), two between stopper (8) run through jointly between two (5) of support and be provided with double threaded rod (11), the screw thread direction of double threaded rod (11) both ends outer wall is opposite setting, the outer wall threaded connection of double threaded rod (11) has two n type framves (12) that contact with dancer rools (6) outer wall.

2. A cutting device for carbon fibre prepregs according to claim 1, characterized in that the width of each n-frame (12) is of the same size as the diameter of each conditioning roll (6).

3. The cutting device for the carbon fiber prepreg cloth according to claim 1, wherein two side walls of each bracket I (2) are fixedly connected with fixing blocks (16), an upper side wall of each fixing block (16) is in threaded connection with a bolt (17), and a plurality of threaded holes meshed with the bolts (17) are formed in the upper side wall of the base (1).

4. A cutting device for carbon fibre prepregs according to claim 1, characterized in that the upper side wall of the base (1) is provided with a guide roll (4) between the winding roll (3) and the regulating roll (6).

5. The cutting device for the carbon fiber prepreg cloth according to claim 1, wherein the outer wall of each second support (5) is provided with a sliding groove (14) matched with the rotating shaft (7).

6. A cutting device for carbon fibre prepregs according to claim 1, characterized in that a rotary disc (13) is fixedly connected to the end of the double-threaded rod (11).