CN205218178U - Slitting mill - Google Patents

Abstract

The utility model relates to a rolling cutting machine, which belongs to the technical field of sheet cutting machines, and comprises an upper roller and a lower roller, and at least two upper circular knives arranged on the upper roller and co-rotating with the upper roller and at least two lower ring knives arranged on the lower roll and co-rotating with the lower roll; both the upper roll and the lower roll are actively rotating rolls; each upper ring knife and the corresponding lower ring The knife edges are opposite to form a cutting knife group. The utility model can realize the longitudinal cutting of various boards through the mutual cooperation between the ring knives installed on the upper roller and the lower roller, can carry out fixed width processing on the boards, and can roll cut copper foil substrates, paper substrates, Aluminum substrate, etc., has the advantages of fast cutting speed and good cutting effect.

Description

a roll cutting machine

technical field

The utility model relates to a rolling cutting machine, which belongs to the technical field of sheet cutting machines.

Background technique

Roll cutting machines are widely used in many fields, mainly for cutting cardboard, plastic board and metal board. In the copper clad laminate manufacturing industry, the previous technology generally adopts the method of upper knife and lower cutting or lower knife upper cutting, that is, the lower knife is fixed and the upper knife is cut lower or the upper knife is fixed and the lower knife is upper cut to achieve cutting. This technique does not have high requirements for equipment, so the purchase cost is low; but its production efficiency is low, and it also has requirements for the cut boards, and cannot adapt to the cutting of harder boards.

The application number is a utility model disclosed by CN200920139165.1, which discloses a numerical control veneer hobbing and cutting machine. Connection, the driving part and the rubber wheel are connected by a chain, the rubber wheel is set opposite to the rolling cutter, the transmission system includes the first conveyor belt, the second conveyor belt, the quantitative wheel set and the conveyor wheel, the first conveyor belt and the second conveyor belt are respectively Located on both sides of the roller cutter, the conveying wheel is located between the rubber wheel and the quantitative wheel group. This roll cutting machine is suitable for cutting veneer transversely, rather than longitudinally with fixed width.

The utility model disclosed by the application number CN201420714882.3 discloses a 2150 ultra-wide aluminum sheet, strip and foil mid-slitter unit. The unit includes an uncoiler and a coiler. There is one middle cutter and two side cutters on the cutting machine; there are two coilers, the outer coiler is located in front of one side of the discharge end of the slitter, and the inner coiler is the other side of the discharge end of the slitter. At the rear of one side, the aluminum plate wound on the decoiler is divided into two aluminum plates after being split and trimmed by the slitter, and the two aluminum plates are wound on the outer coiler and the inner coiler respectively; between the slitter and the uncoiler There is a guiding mechanism between them. This utility model realizes the cutting and rolling of ultra-wide aluminum foil through the assembly of split equipment. However, this unit cannot be adapted to cutting plates of other materials, and the unit occupies a large area, which makes assembly and debugging troublesome.

Utility model content

The utility model aims to solve the above problems, thereby providing a rolling cutting machine, which has the advantages of relatively small volume, fast rolling cutting speed and good rolling cutting quality.

The technical scheme that the utility model solves the above-mentioned problem is as follows:

A rolling cutting machine, comprising an upper roll and a lower roll, and at least two upper ring knives arranged on the upper roll and co-rotating with the upper roll and co-rotating with the lower roll. At least two lower circular knives; the upper roller and the lower roller are active rotating rollers; each upper circular knife is opposite to the edge of the corresponding lower circular knife, forming a cutting knife group.

As a preference for the above technical solution, the two ends of the upper roller are respectively connected to the two ends of the main shaft through a single sprocket and a chain, and the main shaft is driven by a reducer; the upper roller is connected to the two ends of the main shaft through a double sprocket and a chain The lower roll is connected and rotates in the opposite direction to said lower roll to form the feed.

As a preference of the above technical solution, the rolling cutter is provided with three sets of cutting knives; two sets are set at both ends of the upper roll and the lower roll, and the other set is set at the middle of the upper roll and the lower roll.

Preferably, the above technical solution also includes a rotating fixing table, including a pressing table arranged on the upper roller and a pad table arranged on the lower roller, for fixing the fed plate when rotating.

Preferably, as the technical solution above, the upper roller and the lower roller are connected through a heart-shaped winding chain, and the upper roller is arranged above the heart-shaped winding chain.

Preferably, as the above technical solution, a tension wheel is also included, which is installed on the roller seat in a liftable manner.

Preferably, the above technical solution also includes an input roller and an output roller; one end of the output roller is connected to the reduction motor through a chain; one end of the input roller is connected to the output shaft of the motor through a coupling.

As a preference of the above technical solution, it also includes a rotating fixed table, and the output roller and the input roller are both rubber rollers.

As a preference of the above technical solution, both ends of the upper roller are installed through eccentric bushings, and the left and right ends maintain the same eccentric direction.

Preferably, as the technical solution above, it also includes a rotating fixed table, and leftover material exporting rubber wheels are also provided on the extensions at both ends of the output roller.

The utility model has the following beneficial effects:

1. Through the mutual cooperation between the ring cutters installed on the upper roller and the lower roller, the utility model can realize the longitudinal cutting of various plates, and can carry out fixed width processing on the plates; it can roll and cut copper foil substrates, paper Substrate, aluminum substrate, etc.;

2. The utility model achieves the purpose of cutting a double-width board into two single-width boards through three sets of cutting knife groups, and has the advantages of fast cutting speed and good cutting effect;

3. The upper roller of the utility model is installed through the eccentric shaft sleeve, so that the upper roller can produce significant periodic impact force during cutting, which improves the cutting effect;

4. The structure design of the utility model is scientific and reasonable, not only occupies a small area, but also has a fast rolling cutting speed, the line speed can reach 70 m/min; high output: the rolling cutting of a double-width board can be completed within 4 seconds;

5. The quality of the products produced by rolling cutting of the utility model is good: no burrs, and the product sizes are accurate;

6. The utility model has a large size of roll-cut plate, and can roll-cut width of 2200MM, which is currently the largest roll-cut width in China.

Description of drawings

Fig. 1 is the three-dimensional structural diagram of the utility model embodiment;

Fig. 2 is a schematic structural view of the cutting knife group in the embodiment of the present invention;

Fig. 3 is the top view of the utility model embodiment;

Fig. 4 is a transmission schematic diagram of the upper roller and the lower roller of the utility model;

In the figure, 1-upper roller; 11-upper ring knife; 12-press table; 2-lower roller; 21-lower ring knife; 22-pad table; 3-main shaft; 4-input roller; 5-output roller , 6- leftover material export rubber wheel, 7- reducer, 8- reducer motor, 9- tensioning wheel.

detailed description

Embodiment: As shown in FIG. 1 and FIG. 2 , a rolling cutting machine includes an upper roll 1 , a lower roll 2 , a main shaft 3 , an input roll 4 and an output roll 5 . Upper roll 1 is provided with three upper ring knives 11 that rotate with upper roll 1, and lower roll 2 is provided with three lower ring knives 21 that rotate with lower roll 2. Each upper ring knife 11 and Corresponding to it, the cutting edge of the lower ring knife 21 is opposite to form a cutting knife group. The hobbing machine is provided with three groups of cutting knife groups, wherein two groups are arranged at the two ends of the upper roller 1 and the lower roller 2, and the other group is arranged at the middle of the upper roller 1 and the lower roller 2.

As shown in Figure 4, both the upper roll 1 and the lower roll 2 are actively rotating rolls, both ends of the upper roll 1 are installed through eccentric bushings, and the left and right ends maintain the same eccentric direction. The two ends of the upper roller 1 are respectively connected with the two ends of the main shaft 3 through a single sprocket and a chain, and the main shaft 3 is driven by a reducer 7 . The upper roller 1 is connected with the lower roller through a double sprocket and chain, and connected by a heart-shaped chain. The upper roller 1 is set above the heart-shaped chain, and the rotation direction of the lower roller 2 is opposite to form feeding. The chain that the heart shape winds up is tensioned by the tension wheel 9, and the tension wheel 9 is liftably installed on the roller base.

As shown in Figure 2, the upper roller 1 is provided with a press table 12, and the lower roller 2 is provided with a pad 22, and the press table 12 and the pad 22 form a rotating and fixed table, which can fix the fed sheet during cutting , to ensure smooth cutting.

As shown in Figure 2 and Figure 3, the output roller 5 and the input roller 4 are both rubber rollers, one end of the input roller 4 is connected to the output shaft of the motor through a coupling, and one end of the output roller 5 is connected to the reduction motor 8 through a chain, and the output The extensions at both ends of the roller 5 are also provided with leftover material exporting rubber wheels 6 .

Claims (10)

1. A rolling cutting machine, comprising an upper roll (1) and a lower roll (2), characterized in that: it also includes at least two upper circular knives (11) arranged on the upper roll and co-rotating with the upper roll ) and at least two lower ring knives (21) that are arranged on the lower roller and rotate together with the lower roller; the upper roller (1) and the lower roller (2) are both actively rotating rollers; each upper circular knife The ring knife (11) is opposite to the cutting edge of the corresponding lower ring knife (21), forming a cutting knife group. 2. A rolling cutting machine according to claim 1, characterized in that: the two ends of the upper roller (1) are respectively connected to the two ends of the main shaft (3) through single-row sprockets and chains, and the main shaft (3) Driven by the reducer (7); the upper roller (1) is connected to the lower roller (2) through a double sprocket and chain, and rotates in the opposite direction to the lower roller (2), forming a feeding . 3. A rolling cutting machine according to claim 1, characterized in that: the rolling cutting machine is provided with three sets of cutting knives; two of them are set on two sides of the upper roller (1) and the lower roller (2). The other group is located in the middle of the upper roller (1) and the lower roller (2). 4. A rolling cutting machine according to claim 1, characterized in that it also includes a rotating fixed table, including a pressing table (12) arranged on the upper roller (1) and a pad (12) arranged on the lower roller (2). 22), used to hold the fed sheet while turning. 5. A rolling cutting machine according to claim 2, characterized in that: the upper roller (1) and the lower roller (2) are connected by a heart-shaped chain, and the upper roller (1) is set in a heart-shaped above the winding chain. 6. A rolling cutting machine according to claim 5, characterized in that it further comprises a tensioning wheel (9), mounted on the roller seat in a liftable manner. 7. A rolling cutting machine according to claim 1, characterized in that: it also includes an input roller (4) and an output roller (5); one end of the output roller (5) passes through a chain and a geared motor (8) connection; one end of the input roller (4) is connected with the output shaft of the motor through a coupling. 8. A rolling cutting machine according to claim 7, characterized in that: the output roller (5) and the input roller (4) are both rubber rollers. 9. A rolling cutting machine according to claim 6, characterized in that: both ends of the upper roller (1) are installed through eccentric bushings, and the left and right ends maintain the same eccentric direction. 10. A rolling cutting machine according to claim 8, characterized in that: leftover material exporting rubber wheels (6) are also provided on the extensions at both ends of the output roller (5).