CN217434464U

CN217434464U - Prepreg cutting device for copper-clad plate production

Info

Publication number: CN217434464U
Application number: CN202221643447.7U
Authority: CN
Inventors: 谢裕田; 王仁洪; 李佑兴; 曾林; 朱志勇
Original assignee: Meizhou Weilibang Electronic Technology Co ltd
Current assignee: Meizhou Weilibang Electronic Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-09-16
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a prepreg cutting device for copper-clad plate production; belongs to the technical field of copper-clad plate production; the semi-cured prepreg cutting machine is technically characterized by comprising a rack, wherein a guide roller group for conveying a prepreg is arranged on the rack, and a cutting platform is arranged on one side of the guide roller group along the advancing direction of the prepreg; a cutter is arranged below one end of the cutting platform, which is far away from the guide roller set, and a lifting driving mechanism connected with the cutter is arranged on the frame; a material pressing plate used for being matched with the cutter to cut is arranged above the cutting platform; a guide part matched with the cutter is vertically arranged on the end face, opposite to the cutter, of the cutting platform, a tensioning assembly connected with the cutter is arranged on the rack on one side of the lifting driving mechanism, and the cutting edge of the cutter is always tightly attached to the surface of the guide part through the tensioning assembly; the utility model aims at providing a prepreg cutting device for copper clad laminate production, which has simple structure and stable cutting; the method is used for cutting the semi-cured sheet in the production process of the copper-clad plate.

Description

Prepreg cutting device for copper-clad plate production

Technical Field

The utility model relates to a cutting device, more specifically say, especially relate to a prepreg cutting device is used in copper-clad plate production.

Background

A Copper Clad Laminate (CCL) is a plate-like material produced by impregnating an electronic glass cloth or other reinforcing material with a resin, coating one or both surfaces with a Copper foil, and hot-pressing. In the production process of the copper-clad plate, firstly, the production of a prepreg is carried out. The prepreg is prepared by impregnating a glass fiber cloth material with resin glue solution, performing heat treatment in an oven, and cooling.

Before the copper foil covering process, cutting the produced prepreg into corresponding lengths according to production requirements. When the existing cutting equipment is used for cutting, the cutter can slightly shake in the rising process, so that the end part of a cut prepreg is not flat, and the quality of subsequent processing is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned prior art not enough, provide a simple structure, cut stable prepreg cutting device for copper-clad plate production.

The technical scheme of the utility model is realized like this: the utility model provides a copper-clad plate production is with prepreg cutting device, includes the frame, be equipped with the guide roller group that is used for carrying the prepreg in the frame, be equipped with the platform that cuts in one side of guide roller group along prepreg direction of advance. A cutter is arranged below one end of the cutting platform far away from the guide roller set, and a lifting driving mechanism connected with the cutter is arranged on the frame. A material pressing plate used for being matched with the cutter to cut is arranged above the cutting platform.

The end face of the cutting platform, which is opposite to the cutter, is vertically provided with a guide part matched with the cutter, a tensioning assembly connected with the cutter is arranged on the rack on one side of the lifting driving mechanism, and the cutting edge of the cutter is always tightly attached to the surface of the guide part through the tensioning assembly.

In the prepreg cutting device for producing the copper-clad plate, the lifting driving mechanism comprises connecting rods arranged at two ends of the cutter in the length direction, the connecting rods are hinged to the proximal end part of the lower end of the cutter, and the other end of each connecting rod is hinged to the frame.

A rotating shaft parallel to the length direction of the cutter is arranged on the machine frame below the cutter, and eccentric wheels are arranged at two ends of the rotating shaft. The eccentric wheel is provided with a push rod, the other end of the push rod is hinged on the connecting rod, and the hinged point is located at the end portion, close to the cutting knife, of the connecting rod.

In the prepreg cutting device for producing the copper-clad plate, the tensioning assembly comprises an installation rod which is arranged on the frame at one side opposite to the guide part and is parallel to the length direction of the cutter, and a plurality of hinged seats are uniformly distributed on the installation rod. Each hinged seat is hinged with a tensioning spring, and the other end of each tensioning spring is provided with a mounting ring.

The lower end of the cutter is provided with mounting columns which correspond to the tensioning springs one by one, the upper ends of the mounting columns are provided with limiting rings, limiting nuts are arranged below the mounting columns, and the mounting rings are sleeved on the mounting columns between the limiting rings and the limiting nuts.

In the prepreg cutting device for producing the copper-clad plate, the guide part is a guide plate tightly attached to the end part of the cutting platform, and the upper end surface of the guide plate and the upper end surface of the cutting platform are positioned on the same plane.

In the prepreg cutting device for producing the copper-clad plate, the guide roller set comprises a first rubber roller arranged on the frame, and a second rubber roller is arranged above the first rubber roller in parallel. And the frame at the two ends of the second rubber roller is provided with a height adjusting component for adjusting the size of the gap between the first rubber roller and the second rubber roller.

The utility model adopts the above structure after, through setting up the taut cutting edge of tensioning assembly to cutting the platform and the relative terminal surface of cutter along vertical being provided with cutter matched with guide, the cutting edge that makes the cutter is hugging closely guide surface straight-line rising all the time at the in-process that rises, reduces the swing of cutting edge at the lift in-process, makes the prepreg tip of cutting out level and smooth.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a side view schematic of the tension assembly of the present invention;

fig. 4 is a front view of the tension assembly of the present invention.

In the figure: 1. a frame; 2. a guide roller set; 2a, a first rubber roller; 2b, a second rubber roller; 2c, a height adjusting component; 3. cutting a platform; 4. a cutter; 5. a lifting drive mechanism; 5a, a connecting rod; 5b, a rotating shaft; 5c, an eccentric wheel; 5d, a push rod; 6. a material pressing plate; 7. a tension assembly; 7a, mounting rods; 7b, a hinge base; 7c, a tension spring; 7d, mounting rings; 7e, mounting the column; 7f, a limiting ring; 7g, a limiting nut; 8. a guide plate.

Detailed Description

Referring to fig. 1, the utility model discloses a prepreg cutting device is used in copper-clad plate production, which comprises a frame 1, be equipped with the guide roller group 2 that is used for carrying the prepreg in frame 1, be equipped with along one side of prepreg direction of advance at guide roller group 2 and cut platform 3, be equipped with the buffer memory subassembly that is used for buffer memory prepreg in the frame outside of prepreg feed end.

A cutter 4 is arranged below one end of the cutting platform 3 far away from the guide roller group 2, and a lifting driving mechanism 5 connected with the cutter 4 is arranged on the frame 1. A pressure plate 6 used for being matched with the cutter 4 to cut is arranged above the cutting platform 3, and the distance between the bottom end of the pressure plate and the surface of the cutting platform is matched with the thickness of the prepreg. The cutting edge end of the cutter is obliquely arranged and is matched with the material pressing plate to form a scissors shape, so that the semi-cured sheet can be conveniently cut off.

The end face of the cutting platform 3 opposite to the cutter 4 is vertically provided with a guide part matched with the cutter 4, the frame 1 on one side of the lifting driving mechanism 5 is provided with a tensioning assembly 7 connected with the cutter 4, and the cutting edge of the cutter 4 is always tightly attached to the surface of the guide part through the tensioning assembly 7.

Preferably, the lifting driving mechanism 5 comprises connecting rods 5a arranged at two ends of the cutting knife 4 in the length direction, the connecting rods 5a are hinged to the proximal end part of the lower end of the cutting knife 4, and the other end of the connecting rods 5a is hinged to the frame 1.

A rotating shaft 5b parallel to the length direction of the cutting knife 4 is arranged on the frame 1 below the cutting knife 4, and eccentric wheels 5c are arranged at two ends of the rotating shaft 5 b. The eccentric wheel 5c is provided with a push rod 5d, the other end of the push rod 5d is hinged on the connecting rod 5a, and the hinged point is located at the near end part of one end of the connecting rod 5a close to the cutting knife 4. The pivot is connected with driving motor, and its theory of operation and connection structure mode are the common general knowledge in this field, not the utility model discloses the technical point that will protect, no longer give unnecessary details here.

Further preferably, the tensioning assembly 7 comprises a mounting rod 7a which is arranged on the frame 1 on the side opposite to the guide part and is parallel to the length direction of the cutting knife 4, and a plurality of hinge seats 7b are uniformly distributed on the mounting rod 7 a. Each hinge base 7b is hinged with a tension spring 7c, and the other end of the tension spring 7c is provided with a mounting ring 7 d.

The lower end of the cutting knife 4 is provided with mounting columns 7e which correspond to the tension springs 7c one by one, and the cutting knife can swing left and right around a hinged point when moving upwards due to the fact that the cutting knife is hinged to the connecting rod. The lower end of the cutter is pulled by a spring on the frame at one side opposite to the guide part, so that the cutting edge can only swing towards one side of the guide part.

The mounting post 7e upper end is equipped with spacing ring 7f, is equipped with stop nut 7g below mounting post 7e, the mounting ring 7d cover is established on the mounting post 7e between spacing ring 7f and stop nut 7 g. The inner hole diameter of the mounting ring is larger than the diameter of the mounting column and smaller than the outer diameters of the limiting ring and the limiting nut, the limiting ring can tilt to perform self-adaption in the movement process of the cutter, and the force applied to the cutter cannot be too large.

Preferably, the guide part is a guide plate 8 tightly attached to the end part of the cutting platform 3, and the upper end face of the guide plate 8 and the upper end face of the cutting platform 3 are located on the same plane. The guide part adopts the structure, and the cutter only contacts with the guide surface of the guide plate in the ascending process. If take and install the deflector in cutting the platform below, the deflector spigot surface with cut the structure that the platform terminal surface is located the coplanar, there is the gap deflector with cutting the platform and meet the department, can't guarantee in the use can not take place the deviation, there is the risk of collision when the cutter passes through this gap.

Preferably, the guide roller group 2 comprises a first rubber roller 2a arranged on the frame 1, and a second rubber roller 2b is arranged above the first rubber roller 2a in parallel. A height adjusting component 2c is arranged on the frame 1 at two ends of the second rubber roller 2b and is used for adjusting the size of the gap between the first rubber roller 2a and the second rubber roller 2 b. The gap between the rubber rollers is adjusted by arranging the height adjusting assembly so as to adapt to the production requirements of prepregs with different thicknesses. The height adjusting assembly may adopt a conventional structure in the art, and in this embodiment, the height adjusting assembly is composed of an air cylinder, a sliding chute and a sliding seat, which are common knowledge in the art and will not be described herein.

When the prepreg cutting platform works, when the prepreg passing through the guide surface of the guide plate reaches a preset length, the external cache assembly starts to work, so that the prepreg on the cutting platform stops moving. The driving motor is started, and the cutter moves upwards under the matching of the eccentric wheel, the push rod and the connecting rod.

The tensioning spring pulls the lower end of the cutter to enable the cutting edge of the cutter to be tightly attached to the guide surface of the guide plate. When the cutting edge of the cutter rises to the upper end face of the guide plate, the cutting edge of the cutter is contacted with the prepreg, the pressing plate presses the prepreg, and the cutter jacks up and cuts off the prepreg.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. A prepreg cutting device for copper-clad plate production comprises a rack (1) and is characterized in that a guide roller set (2) used for conveying prepregs is arranged on the rack (1), and a cutting platform (3) is arranged on one side of the guide roller set (2) along the advancing direction of the prepregs; a cutter (4) is arranged below one end of the cutting platform (3) far away from the guide roller set (2), and a lifting driving mechanism (5) connected with the cutter (4) is arranged on the rack (1); a material pressing plate (6) used for being matched with the cutter (4) to cut is arranged above the cutting platform (3);

the end face, opposite to the cutter (4), of the cutting platform (3) is vertically provided with a guide part matched with the cutter (4), a tensioning assembly (7) connected with the cutter (4) is arranged on the rack (1) on one side of the lifting driving mechanism (5), and the cutting edge of the cutter (4) is always tightly attached to the surface of the guide part through the tensioning assembly (7).

2. The prepreg cutting device for producing the copper-clad plate according to claim 1, wherein the lifting driving mechanism (5) comprises connecting rods (5a) arranged at two ends of the cutter (4) in the length direction, the connecting rods (5a) are hinged to the proximal end part of the lower end of the cutter (4), and the other ends of the connecting rods (5a) are hinged to the frame (1);

a rotating shaft (5b) parallel to the length direction of the cutting knife (4) is arranged on the rack (1) below the cutting knife (4), and eccentric wheels (5c) are arranged at two ends of the rotating shaft (5 b); a push rod (5d) is arranged on the eccentric wheel (5c), the other end of the push rod (5d) is hinged on the connecting rod (5a), and the hinged point is located at the near end part of one end, close to the cutting knife (4), of the connecting rod (5 a).

3. The prepreg cutting device for producing the copper-clad plate according to claim 1 or 2, wherein the tensioning assembly (7) comprises a mounting rod (7a) which is arranged on the frame (1) at the side opposite to the guide part and is parallel to the length direction of the cutter (4), and a plurality of hinged seats (7b) are uniformly distributed on the mounting rod (7 a); each hinged seat (7b) is hinged with a tensioning spring (7c), and the other end of each tensioning spring (7c) is provided with a mounting ring (7 d);

be equipped with erection column (7e) with tensioning spring (7c) one-to-one at cutter (4) lower extreme, erection column (7e) upper end is equipped with spacing ring (7f), is equipped with stop nut (7g) in erection column (7e) below, the cover is established on erection column (7e) between spacing ring (7f) and stop nut (7g) in collar (7 d).

4. The prepreg trimming device for producing copper-clad plates according to claim 1, wherein the guide part is a guide plate (8) tightly attached to the end part of the trimming platform (3), and the upper end surface of the guide plate (8) and the upper end surface of the trimming platform (3) are positioned on the same plane.

5. The prepreg cutting device for producing the copper-clad plate according to claim 1, wherein the guide roller set (2) comprises a first rubber roller (2a) arranged on the frame (1), and a second rubber roller (2b) is arranged above the first rubber roller (2a) in parallel; a height adjusting component (2c) is arranged on the frame (1) at the two ends of the second rubber roller (2b) and is used for adjusting the size of the gap between the first rubber roller (2a) and the second rubber roller (2 b).