CN212704770U - Coiled material stretching and cutting mechanism - Google Patents

Abstract

The utility model relates to a cutting field, concretely relates to tensile cutting mechanism of coiled material, including cutting unit and conveying unit, the cutting unit includes sliding shaft and a plurality of cutting parts, and every cutting part includes locking piece and sliding setting up ring sword and the lock ring on the sliding shaft, ring sword and lock ring fixed connection, be equipped with the locking hole on the lock ring, the locking piece contacts with the sliding shaft through the locking hole; the conveying unit comprises a plurality of conveying parts, the conveying parts are correspondingly arranged at the positions of the circular cutters, and gaps are formed between the end surfaces of the conveying parts and the end surfaces of the circular cutters. When adopting this technical scheme, conveniently adjust the position of cutting knife.

Description

Coiled material stretching and cutting mechanism

Technical Field

The utility model relates to a cutting field, concretely relates to tensile cutting mechanism of coiled material.

Background

In the process of oil tank production, need earlier carry out the slitting cutting to the coiled material that expandes, cut the coiled material after the slitting cutting again and form the monolithic panel, the monolithic panel forms the oil tank blank after punching press.

Because the specification of oil tank is more, consequently the model of monolithic panel also relates to multiple, so need adjust the position of cutting knife when slitting cutting, adjust the distance of adjacent cutting knife promptly to cut out the panel of different width.

Present cutting knife is usually through the bolt fastening on the support frame, and all open on cutting knife and the support frame promptly has the screw hole, and it is installed to other screw hole departments to lift the cutting knife off from the support frame when the distance of adjacent cutting knife needs to be adjusted, but because the position of screw hole is nonadjustable, so need set up the screw hole in the corresponding position of support frame again when needing to process the panel of a new dimension, the adjustment of cutting knife is not very convenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanism of convenient adjustment cutting knife position.

In order to achieve the purpose, the technical scheme of the utility model provides a coiled material stretching and cutting mechanism, which comprises a cutting unit and a conveying unit, wherein the cutting unit comprises a sliding shaft and a plurality of cutting parts, each cutting part comprises a locking piece, a circular ring cutter and a locking ring, the circular ring cutter and the locking ring are arranged on the sliding shaft in a sliding manner, the circular ring cutter and the locking ring are fixedly connected, a locking hole is arranged on the locking ring, and the locking piece is contacted with the sliding shaft through the locking hole; the conveying unit comprises a plurality of conveying parts, the conveying parts are correspondingly arranged at the positions of the circular cutters, and gaps are formed between the end surfaces of the conveying parts and the end surfaces of the circular cutters.

The technical effect of the scheme is as follows: when the coiled material is conveyed to the circular ring cutter along with the conveying part, the coiled material is cut into strips under the extrusion of the circular ring cutter and the supporting action of the conveying part; when the width of the strip coiled material of cutting needs to be changed, the locking piece is relieved and the locking ring is fixed, the circular ring sword can be adjusted to the assigned position along the sliding shaft slip circular ring sword, and the rethread locking piece is fixed the locking ring can, and is very convenient, can adjust the position of circular ring sword fast.

Further, the transmission unit also comprises a sliding shaft, and the transmission part is also a circular ring knife and a locking ring. The technical effect of the scheme is as follows: the lower circular ring cutter conveys the coiled material and simultaneously cooperates with the upper circular ring cutter to cut the coiled material, so that the coiled material is more easily cut, and the cutting effect is better.

Furthermore, the locking hole is a threaded hole, and the locking piece is a bolt. The technical effect of the scheme is as follows: the annular cutter is fixed through the bolt, and the position of the annular cutter is more convenient to adjust.

Furthermore, a sliding groove is arranged on the circumferential surface of the sliding shaft along the axial direction of the sliding shaft. The technical effect of the scheme is as follows: the side wall and the bottom of the sliding groove are rougher relative to the sliding shaft, so that the friction force between the bolt and the sliding shaft is improved, and the fixing effect of the circular ring cutter is improved.

Furthermore, the device also comprises a support frame, wherein a motor is arranged on the support frame, and in the two sliding shafts, an output shaft of the motor is coaxially and fixedly connected with the sliding shaft positioned above the motor. The technical effect of the scheme is as follows: the sliding shaft has better cutting effect in the process of actively rotating under the action of the motor.

Furthermore, the gap between the end faces of the two annular cutters at the same position on the two sliding shafts is 3% -8% of the thickness of the coiled material. The technical effect of the scheme is as follows: the cutting device is characterized in that an accommodating space is provided for the coiled material in the cutting process, and meanwhile, the cutting surface of the coiled material is prevented from contacting with the end face of the annular knife below.

Furthermore, the distance between the bottom of the circumferential surface of the upper annular knife and the top of the circumferential surface of the lower annular knife is larger than the thickness of the coiled material. The technical effect of the scheme is as follows: ensuring that the web is completely cut.

Furthermore, one end of the circular cutter, which is far away from the locking ring, is provided with a groove. The technical effect of the scheme is as follows: the material consumption of the circular cutter is reduced, the cost is saved, and meanwhile, the curling generated at the cutting opening of the coiled material is convenient to correct.

Furthermore, a transmission wheel is arranged on the sliding shaft positioned below the transmission wheel and positioned between the two circular cutters. The technical effect of the scheme is as follows: facilitating the support of the middle of each coil as it is cut.

Furthermore, a graphite layer is arranged on the sliding shaft. The technical effect of the scheme is as follows: improve the gliding smooth and easy nature of ring sword and lock ring.

Drawings

Fig. 1 is a schematic forward view of an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a sliding shaft 1, a circular ring cutter 2, a locking ring 3, a threaded hole 4, a coiled material 5, a sliding chute 6, a groove 7 and a conveying wheel 8.

The first embodiment is as follows:

an embodiment substantially as shown in figure 1: the coil stretching and cutting mechanism shown in fig. 1 comprises a support frame, a cutting unit and a conveying unit, wherein a servo motor (not shown in the figure) is installed on the support frame through a bolt, and the type of the servo motor can be MR-J2S-100A.

The cutting unit is positioned above the conveying unit, the cutting unit comprises sliding shafts 1 and a plurality of cutting parts, the conveying unit also comprises the sliding shafts 1, the left end and the right end of each of the upper sliding shaft 1 and the lower sliding shaft 1 are rotatably arranged on the supporting frame, and the right end of the upper sliding shaft 1 is coaxially welded with an output shaft of the servo motor; the right ends of the upper sliding shaft 1 and the lower sliding shaft 1 are coaxially welded with chain wheels, and the two chain wheels are connected through a chain.

Each cutting part of the cutting unit comprises a locking piece, a circular ring cutter 2 and a locking ring 3, wherein the circular ring cutter 2 is made of alloy tool steel Cr12Mo or high-carbon steel T8 or more, the circular ring cutter 2 and the locking ring 3 are welded, the circular ring cutter 2 and the locking ring 3 are arranged on the sliding shaft 1 in a sliding mode, a locking hole is formed in the locking ring 3, the locking hole is a threaded hole 4 in the embodiment, and the locking piece is a bolt; four sliding grooves 6 are formed in the circumferential surface of the sliding shaft 1 along the axial direction of the sliding shaft, a bolt is screwed into the threaded hole 4 and then contacts with the sliding grooves 6, and the circular ring cutter 2 and the locking ring 3 are locked on the sliding shaft 1 through friction force.

The conveying unit also comprises a plurality of conveying parts, the conveying parts are also provided with a circular knife 2 and a locking ring 3, and the arrangement mode of the conveying parts is the same as that of the circular knife 2 and the locking ring 3 of the cutting part. Wherein, two circular cutters 2 which are positioned at the same position above and below are a group, a gap is formed between the end surfaces of the two circular cutters, the size of the gap L is 3% -8% of the thickness of the coiled material 5, the size of the gap L is generally between 0.05mm and 0.16mm, and the distance H between the bottom of the circumferential surface of the upper circular cutter and the top of the circumferential surface of the lower circular cutter is larger than the thickness of the coiled material 5.

The specific implementation process is as follows:

as shown in fig. 1, when the coiled material 5 is conveyed to the upper circular knife 2 along with the lower circular knife 2, the coiled material 5 is cut into strips under the squeezing action of the upper and lower circular knives 2; when the width of the strip coiled material 5 of cutting needs to be changed, the bolt is unscrewed from the bolt hole manually, the bolt is removed from fixing the locking ring 3, then the circular knife 2 can be adjusted to the assigned position along the sliding shaft 1, and the locking ring 3 can be fixed by the bolt, so that the cutting device is very convenient, and can be used for adjusting the position of the circular knife 2 quickly to cut the coiled material 5 with different widths.

Example two:

on the basis of the first embodiment, as shown in fig. 1, in the present embodiment, a groove 7 is formed at one end of each circular ring cutter 2 away from the locking ring 3, and graphite powder layers are coated on the upper and lower sliding shafts 1, wherein a transmission wheel 8 is installed on the lower sliding shaft 1, and the transmission wheel 8 is located between the two circular ring cutters 2.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (10)

1. The coil stretching and cutting mechanism is characterized in that: it includes a cutting unit and a conveying unit, the cutting unit includes a sliding shaft and a plurality of cutting parts, and each cutting part includes a locking piece and a ring knife and a ring knife slidably arranged on the sliding shaft. The locking ring, the annular knife and the locking ring are fixedly connected, the locking ring is provided with a locking hole, and the locking piece is in contact with the sliding shaft through the locking hole; the transmission unit includes a plurality of transmission parts, and each annular knife A conveying part is correspondingly arranged at the place, and a gap is formed between the end face of the conveying part and the end face of the annular knife. 2 . The coil stretching and cutting mechanism according to claim 1 , wherein the conveying unit further comprises a sliding shaft, and the conveying part is also a circular knife and a locking ring. 3 . 3 . The coil stretching and cutting mechanism according to claim 2 , wherein the locking hole is a threaded hole, and the locking member is a bolt. 4 . 4 . The coil stretching and cutting mechanism according to claim 3 , wherein a sliding groove is provided on the circumferential surface of the sliding shaft along its axial direction. 5 . 5. The coiled material stretching and cutting mechanism according to claim 4, characterized in that: it further comprises a support frame, a motor is installed on the support frame, and among the two sliding shafts, the motor output shaft is coaxially fixed with the upper sliding shaft connect. 6 . The coil stretching and cutting mechanism according to claim 5 , wherein the gap between the end faces of the two annular knives located at the same position on the two sliding shafts is 3% to 8% of the coil thickness. 7 . . 7. The coil stretching and cutting mechanism according to claim 6, characterized in that: in the two annular knives located at the same position on the two sliding shafts, the bottom of the circumferential surface of the upper annular knife and the circumferential surface of the lower annular knife are separated from each other. The distance between the tops is greater than the thickness of the coil. 8 . The coil stretching and cutting mechanism according to claim 7 , wherein a groove is provided at one end of the circular knife away from the locking ring. 9 . 9 . The coil stretching and cutting mechanism according to claim 8 , wherein a transmission wheel is installed on the lower sliding shaft, and the transmission wheel is located between the two annular knives. 10 . 10 . The coil stretching and cutting mechanism according to claim 9 , wherein a graphite layer is provided on the sliding shaft. 11 .

Images