Online rapid cutting device for prepreg

Abstract

The utility model discloses a prepreg on-line rapid cutting device, and belongs to the technical field of industrial production. The device comprises a rack, a temporary storage assembly and a cutting assembly are arranged on the rack, and the temporary storage assembly comprises a fixed roller I1, a floating roller, a fixed roller II and a fixed rubber roller; the fixed roller I1 and the fixed roller II3 are both located on the rack, and the fixed roller II3 is driven by a motor to rotate; the two ends of the floating roller are connected to the rack through electric air cylinders and located between the fixed roller I1 and the fixed roller II3. The fixed end of the electric air cylinder is connected with the rack, the acting end of the electric air cylinder is connected with the floating roller, and the moving direction of the acting end of the electric air cylinder is perpendicular to the connecting line of the fixed roller I1 and the fixed roller II. According to the utility model, the electric actuator is adopted to execute the cutting action, so that the non-stop rapid cutting can be realized, and the device can adapt to the production of wide prepreg and adapt to the faster and faster production speed.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial production, in particular to an online rapid cutting device for prepreg. Background Art

[0002] Prepreg is the intermediate material for manufacturing composite materials and their products. It constitutes the basic unit of composite materials. The uniformity and stability of its quality are important links to ensure the quality and reliability of composite materials and their products. The high specific strength and specific stiffness of resin matrix composite materials (RMC) can be designed with good performance and can effectively reduce the structural mass of spacecraft. It is the development focus of aerospace materials today and is gradually replacing traditional metal materials. In the continuous production process, after each roll of prepreg is rolled up, the prepreg needs to be cut before the next roll of prepreg is rolled up. In the current industry production, the cutting of prepreg is mostly done by manual cutting and pneumatic cutting. The manual operation method is relatively random, and the cuts are uneven and unsightly. With the improvement of prepreg production technology, the production speed of prepreg is gradually increased. Pneumatic cutting is limited by execution speed and cannot adapt to the cutting of prepreg products with a width greater than 1000mm. Utility Model Content

[0003] In view of this, the utility model provides a prepreg online fast cutting device. The structure has a prepreg buffer function, uses an electric actuator to perform the cutting action, can achieve fast cutting without stopping the machine, can adapt to wide-width prepreg production and adapt to faster and faster production speeds.

[0004] The utility model adopts the following technical solutions to achieve the above technical effects:

[0005] A prepreg online fast cutting device comprises a frame; a buffer assembly and a cutting assembly are arranged on the frame, the buffer assembly comprises a fixed roller I1, a floating roller 2, a fixed roller II3 and a fixed rubber roller 4; the fixed roller I1 and the fixed roller II3 are both located on the frame, wherein the fixed roller II3 is driven to rotate by a motor; both ends of the floating roller are connected to the frame through an electric cylinder and are located between the fixed roller I1 and the fixed roller II3; the fixed end of the electric cylinder is connected to the frame, the action end is connected to the floating roller, and the moving direction of the action end of the electric cylinder is perpendicular to the connecting line between the fixed roller I1 and the fixed roller II;

[0006] The fixed rubber roller 4 is located directly above the fixed roller II, and the distance between the two can be adjusted by adjusting the cylinder;

[0007] The cutting assembly is located behind the fixed roller II3, and includes a belt connection platform 6-1, an actuator 6-5 and a cutter 6-2;

[0008] The actuator is installed on the frame and is located just above the belt-joining platform; the cutter is installed at the end of the actuator and is just opposite to the belt-joining platform.

[0009] Furthermore, it also includes a belt pressing rubber roller I and a belt pressing rubber roller II; the two rubber rollers are respectively located directly above the belt input end and the belt output end of the belt connecting platform; the belt pressing rubber roller I, the belt pressing rubber roller II and the fixed rubber roller are all connected to the frame through corresponding cylinder assemblies; the fixed end of the cylinder assembly is located on the frame, and the action end of the cylinder assembly is connected to the corresponding rubber roller.

[0010] Furthermore, the belt connection platform and the connecting line of the fixed roller I1 and the fixed roller II are located on the same straight line.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0012] The utility model solves the problem of rapid cutting in the production process of wide-width prepregs, can meet the cutting of wide-width prepreg finished products and the cutting of prepregs after the production speed is increased, reduces production losses, improves efficiency, and is safe, practical, easy to operate, and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0014] In the figure: 1. fixed roller I, 2. floating roller, 3. fixed roller II, 4. fixed rubber roller, 5. fixed roller II, 6-1. belt splicing platform, 6-2. cutter, 6-3. belt pressing rubber roller I, 6-4. belt pressing rubber roller II, 6-5. actuator, 7. winding roller. DETAILED DESCRIPTION

[0015] Below, the utility model is further described in conjunction with the accompanying drawings.

[0016] Reference Figure 1 In this embodiment, a cache component and a cutting component are arranged on the frame, and the cache component includes a fixed roller I1, a floating roller 2, a fixed roller II3 and a fixed rubber roller 4; the fixed roller I1 and the fixed roller II3 are both located on the frame, wherein the fixed roller II3 is driven to rotate by a motor; the two ends of the floating roller are connected to the frame through an electric cylinder and are located between the fixed roller I1 and the fixed roller II3; the fixed end of the electric cylinder is connected to the frame, and the action end is connected to the floating roller, and the moving direction of the action end of the electric cylinder is perpendicular to the connecting line between the fixed roller I1 and the fixed roller II;

[0017] The fixed rubber roller 4 is located directly above the fixed roller II, and the distance between the two can be adjusted by adjusting the cylinder;

[0018] The cutting assembly is located behind the fixed roller II3, and includes a belt connection platform 6-1, an actuator 6-5 and a cutter 6-2;

[0019] The actuator is installed on the frame and is located just above the belt-joining platform; the cutter is installed at the end of the actuator and is just opposite to the belt-joining platform.

[0020] It also includes a belt pressing rubber roller I and a belt pressing rubber roller II; the two rubber rollers are respectively located directly above the belt input end and the belt output end of the belt splicing platform; the belt pressing rubber roller I, the belt pressing rubber roller II and the fixed rubber roller are all connected to the frame through corresponding cylinder assemblies; the fixed end of the cylinder assembly is located on the frame, and the action end of the cylinder assembly is connected to the corresponding rubber roller.

[0021] The belt connection platform and the connecting line of the fixed rollers I and II are located on the same straight line.

[0022] The following is a further description of the execution process:

[0023] This embodiment includes a buffer, pinch and feed assembly and a cutting assembly. The buffer, pinch and feed assembly is mounted on a frame. The cutting assembly is mounted on a frame and is provided with a travel switch for constraining reciprocating movement and related pneumatic elements of a pressing belt.

[0024] The buffer assembly comprises a fixed roller 1, a floating roller 2, a fixed roller 3 and a fixed rubber roller 4. The fixed roller 1 and the fixed roller 3 are fixed on the frame. The fixed roller 3 is driven by a motor with an adjustable driving speed. The fixed rubber roller 4 is lifted and lowered by a cylinder. The cylinder is pressed down to realize the clamping function. The floating roller 2 floats up and down to store a certain length of prepreg finished products. The cutting assembly comprises a tape splicing platform 6-1, tape pressing rubber rollers 6-3 and 6-4, an actuator 6-5 and a cutter 6-2.

[0025] During operation, the fixed rubber roller 4 is pressed down by the cylinder and pressed against the fixed roller 3, the tape pressing rubber rollers 6-3 and 6-4 are in a high position, the actuator 6-5 and the cutter 6-2 are in the waiting position on both sides of the working width, and the prepreg passes through the fixed roller 1, the floating roller 2, the fixed roller 3, and the fixed roller 5 in turn, and the reel 7 reels the prepreg; when the set length is reached, the tape pressing rubber rollers 6-3 and 6-4 of the cutting assembly are pressed down by the cylinder action, the fixed roller 3 drives the motor to stop running, and the prepreg is fixed on the tape connection platform 6-1, and the actuator 6-5 is activated after the cylinder pressing action is completed, and the actuator 6-5 drives the cutter 6-2 to cut the prepreg horizontally, and after the actuator 6-5 drives the cutter 6-2 to complete the cutting action, the tape pressing rubber rollers 6-3 and 6-4 are driven to rise by the cylinder, and the fixed roller 3 drives the motor to start running to send the prepreg out, and it is manually wound on the reel 7 to start the next reeling cycle.

[0026] It should be understood that the above description of the specific implementation methods of this patent is only an exemplary description listed to facilitate ordinary technicians in the field to understand the patent scheme, and does not imply that the scope of protection of this patent is limited to these individual examples. Ordinary technicians in this field can fully understand the technical scheme of this patent and, without any creative work, obtain more specific implementation methods by combining technical features, replacing some technical features, adding more technical features, etc. to the examples listed in this patent. All these specific implementation methods are within the scope of the claims of this patent. Therefore, these new specific implementation methods should also be within the scope of protection of this patent.

[0027] In addition, for the purpose of simplifying the description, this patent may not list some common specific implementation schemes, which are naturally conceivable to ordinary technicians in this field after understanding the technical solution of this patent. Obviously, these solutions should also be included in the scope of protection of this patent.

Claims

1. A prepreg online rapid cutting device, comprising a frame; a buffer component and a cutting component are arranged on the frame, characterized in that: The buffer assembly comprises a fixed roller I (1), a floating roller (2), a fixed roller II (3) and a fixed rubber roller (4); the fixed roller I (1) and the fixed roller II (3) are both located on a frame, wherein the fixed roller II (3) is driven to rotate by a motor; both ends of the floating roller are connected to the frame through an electric cylinder and are located between the fixed roller I (1) and the fixed roller II (3); the fixed end of the electric cylinder is connected to the frame, and the actuating end is connected to the floating roller, and the moving direction of the actuating end of the electric cylinder is perpendicular to the line connecting the fixed roller I (1) and the fixed roller II; The fixed rubber roller (4) is located directly above the fixed roller II, and the distance between the two can be adjusted by adjusting the cylinder; The cutting assembly is located behind the fixed roller II (3), and comprises a belt connection platform (6-1), an actuator (6-5) and a cutter (6-2); The actuator is installed on the frame and is located just above the belt-joining platform; the cutter is installed at the end of the actuator and is just opposite to the belt-joining platform.

2. The prepreg online rapid cutting device according to claim 1, characterized in that: It also includes a belt pressing rubber roller I and a belt pressing rubber roller II; the two rubber rollers are respectively located directly above the belt input end and the belt output end of the belt splicing platform; the belt pressing rubber roller I, the belt pressing rubber roller II and the fixed rubber roller are all connected to the frame through corresponding cylinder assemblies; the fixed end of the cylinder assembly is located on the frame, and the action end of the cylinder assembly is connected to the corresponding rubber roller.

3. The prepreg online rapid cutting device according to claim 1, characterized in that: The belt connection platform and the connecting line of the fixed roller I (1) and the fixed roller II are located on the same straight line.

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