CN112059319A - Synchronous eccentric adjustment nick cutter disc - Google Patents

Abstract

In the field of modern full-automatic welded pipe production lines, the continuous pipe materials are formed by welding sometimes, and then redundant welding meat generated by welding needs to be removed by cutting, but the existing welding meat cutting equipment is generally a disk with a cutting blade at the lower end, the redundant welding meat of a steel pipe is cut off by synchronous motion with the steel pipe, but an adjusting device for adjusting the depth of the cut-off welding meat is arranged above the disk, and the adjusting device is generally a worm and gear transmission device, so the structure is more complex and the appearance is high, and the trend of simple and small production lines is not adapted, therefore, in order to simplify the structure and reduce the production cost, the technical scheme discloses a synchronous eccentric adjustment nicking cutter disk which is used for cutting continuous materials at fixed distance and fixed depth, and the adjustment of the space position of the rotary cutter disk is realized by the rotary cutter disk provided with a cutter nicking assembly and a central shaft with eccentric arrangement, thereby realizing the adjustment of the scoring knife component on the cutting depth of the continuous materials.

Description

Synchronous eccentric adjustment nick cutter disc

Technical Field

The invention relates to the technical field of welding and forming of long and thin materials, in particular to a cutter head capable of synchronously and eccentrically adjusting nicks for processing welding seams.

Background

In the field of modern full-automatic welded pipe production lines, continuous pipe materials are formed by welding at times, so that the shape and the size of the pipe materials are necessarily influenced by a welded welding line, redundant welding meat parts are necessarily required to be removed for correcting the shape and the size of the welded pipe, and the welding meat is required to be cut off and cut for removing the redundant welding meat. However, the existing welded meat cutting equipment is generally a disc with a cutting blade at the lower end, the cutting of the redundant welded meat of the steel pipe is realized through synchronous motion with the steel pipe, but an adjusting device for adjusting the depth of the cut-off welded meat is arranged above the disc, and the adjusting device is generally a worm and gear transmission device, so that the structure is relatively complex, the appearance is high, the existing production line is not suitable for the trend of simple and small production cost, and a simple and small synchronous eccentric adjustment nicking cutter disc with practical functions is developed into a new mode for simplifying the structure and reducing the production cost.

Disclosure of Invention

The embodiment of the invention provides a synchronous eccentric adjustment scoring cutter disc, which is used for cutting continuous materials at fixed distance and fixed depth.

On the one hand, a synchronous eccentric adjustment nick blade disc for the distance depthkeeping cuts off continuous material w, including gyration blade disc 1 and central axle 2, gyration blade disc 1 can install on central axle 2 and can be for 2 free rotary motion of central axle, still be equipped with nick knife tackle spare 1a on the gyration blade disc 1, be eccentric settings on the position of installation gyration blade disc 1 on its characterized in that central axle 2, through rotation center axle 2, the centre of gyration blade disc 1 can produce the change on the distance for the spatial position who is cut off continuous material w to realize nick knife tackle spare 1a to the adjustment of continuous material w cutting depth.

According to an aspect of the embodiment of the present invention, a half disc 3 is further provided, a support portion 3a is further provided on the half disc 3, the half disc 3 is disposed outside the rotary cutter disc 1, the half disc 3 is also mounted on the central shaft 2 and can freely rotate relative to the central shaft 2, the support portion 3a is in contact with the continuous material w, and the support portion 3a can be used for maintaining the distance between the scoring knife assembly 1a and the continuous material w.

According to an aspect of the embodiment of the present invention, the half disc 3 is further provided with a first half disc 3b and a second half disc 3c, the first half disc 3b and the second half disc 3c are both disposed on both sides of the rotary cutter disc 1 and wrap the rotary cutter disc 1 in the middle thereof, the support portion 3a is further provided with a first half disc support 3a1 and a second half disc support 3a2, the first half disc support 3a1 is disposed on the first half disc 3b, the second half disc support 3a2 is disposed on the second half disc 3c, a gap is further disposed between the first half disc support 3a1 and the second half disc support 3a2, and the scoring knife assembly 1a performs a cutting operation on the continuous material w through the gap.

According to one aspect of the embodiment of the invention, the rotary cutter head 1 is further provided with a pin shaft 1b, sliding grooves h are further formed in positions of the first half disc 3b and the second half disc 3c corresponding to the pin shaft 1b, the pin shaft 1b can slide in the sliding grooves h, and through interaction between the pin shaft 1b and the sliding grooves h, the rotary cutter head 1 can synchronously rotate with the half discs 3 and can generate deviation of a rotary center relative to the half discs 3.

According to an aspect of an embodiment of the present invention, the scoring knife assembly 1a further includes a fixing screw 1a1, a pressing block 1a2 and a scoring knife 1a3, the fixing screw 1a1 can press the pressing block 1a2 against the scoring knife 1a3 so as to fix the scoring knife 1a3 on the rotary cutter head 1, a dismounting hole 3b1 is further provided on a side surface of the first half disc 3b, the fixing screw 1a1 is provided in the dismounting hole 3b1, and a torque can be conveniently applied to the fixing screw 1a1 through the dismounting hole 3b1, so that the quick dismounting and replacement of the scoring knife 1a3 are realized.

According to an aspect of the embodiment of the present invention, the scoring knife 1a3 is disposed in the gap between the first half disc support 3a1 and the second half disc support 3a2, and the rotary cutter disc 1 can generate the offset of the rotary center relative to the half disc 3 by rotating the central shaft 2, so that the scoring knife 1a3 extends or retracts in the gap to adjust the cutting depth of the continuous material w by the scoring knife 1a 3.

According to an aspect of the embodiment of the present invention, the first half disc support 3a1 and the second half disc support 3a2 are both of a bevel type and are mirror images of each other, and the first half disc support 3a1 and the second half disc support 3a2 are combined into a V-shape to be suitable for pipe-type continuous materials w of different diameters.

According to an aspect of the embodiment of the present invention, a plurality of pin shafts 1b may be provided on the rotary cutter head 1, and a plurality of sliding grooves h may also be provided on the corresponding first half disc 3b and second half disc 3c, and the sliding directions of the sliding grooves h are all directed to the rotation centers of the first half disc 3b and second half disc 3 c.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Description of the sequence numbers: the device comprises a rotary cutter head 1, a cutter disc frame 1j, a pin shaft 1b, a scoring cutter assembly 1a, a fixing screw 1a1, a pressing block 1a2, a scoring cutter 1a3, a central shaft 2, a half disc 3, a supporting part 3a, a first half disc support 3a1, a second half disc support 3a2, a first half disc 3b, a dismounting hole 3b1, a second half disc 3c, a sliding groove h, continuous materials w and a frame j.

Fig. 1 is a schematic diagram of a basic structure of a first operating state according to an embodiment of the present invention.

Fig. 2 is a partial schematic view of a first operating state according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a basic structure of a second working state according to the embodiment of the present invention.

Fig. 4 is a partial schematic view of a second operating state of the embodiment of the present invention.

Fig. 5 is a side view of the first half-shell 3b of the present invention.

Fig. 6 is a side view of the second half-disc 3c according to the present invention.

Fig. 7 is a schematic side view of a rotary cutter head 1 according to an embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a second embodiment of the example of the present invention.

FIG. 9 is a schematic structural diagram of a third embodiment of the example of the present invention.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, which is defined by the claims, i.e., the invention is not limited to the preferred embodiments described.

In the description of the embodiments of the present invention, it should be noted that "perpendicular" and "parallel" are not absolute meanings in a mathematical sense unless otherwise specified, and may be understood as "substantially perpendicular" and "substantially parallel".

Fig. 1 is a schematic diagram of a basic structure of a first operating state according to an embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a second embodiment of the example of the present invention.

FIG. 9 is a schematic structural diagram of a third embodiment of the example of the present invention.

According to the embodiment of the invention, as shown in fig. 1, 8 and 9, a synchronous eccentric adjustment scoring cutter disc is provided for cutting continuous materials at a fixed distance and a fixed depth, the adjustment of the spatial position of the rotary cutter disc is realized through the rotary cutter disc provided with a scoring cutter assembly and a central shaft with an eccentric arrangement, and the rotation center of the rotary cutter disc can generate a change in distance relative to the spatial position of the continuous materials to be cut through rotating the central shaft, so that the adjustment of the scoring cutter assembly on the cutting depth of the continuous materials is realized. Its concrete structure can include gyration blade disc 1, semi-disc 3, center pin 2 and support body j, wherein 1 center of gyration blade disc has the disc type of installation round hole and still is equipped with nick knife tackle spare 1a on it, nick knife tackle spare 1a can be used for carrying out the cutting-off work to continuous material w, gyration blade disc 1 can install on center pin 2 and can be for 2 free rotary motion of center pin through the installation round hole that its center is equipped with, center pin 2 is the step shaft of long cylinder type and divide into two sections settings at least, and it is eccentric settings for other positions on the position of installation gyration blade disc 1, and there is certain skew at the axle diameter center of installing 1 position for the axle diameter center of other positions of center pin 2 promptly. The semi-disc 3 is a disc type with a circular mounting hole in the center, a supporting part 3a is further arranged on the outer circumferential surface of the semi-disc 3, the semi-disc 3 is arranged on the outer side of the rotary cutter disc 1, the semi-disc 3 is also mounted on the central shaft 2 and can freely rotate relative to the central shaft 2, the supporting part 3a is in contact with the continuous material w, and the supporting part 3a can be used for keeping the distance between the scoring cutter assembly 1a and the continuous material w. The frame j may be a fork type or a plate type, which is used to mount and fix the spatial position of the central shaft 2, but the mounting fit between the central shaft 2 and the frame j is a fit of a shaft and a hole, so that the central shaft 2 can rotate relative to the frame j by applying a torque to the central shaft 2, and by rotating the central shaft 2, the rotation center of the rotary cutter head 1 can change in distance relative to the spatial position of the continuous material w to be cut, thereby adjusting the cutting depth of the continuous material w by the scoring knife assembly 1 a.

Fig. 1 is a schematic diagram of a basic structure of a first operating state according to an embodiment of the present invention.

Fig. 5 is a side view of the first half-shell 3b of the present invention.

Fig. 6 is a side view of the second half-disc 3c according to the present invention.

According to an aspect of the embodiment of the present invention, as shown in fig. 5 and 6, the half disc 3 is further provided with a first half disc 3b and a second half disc 3c, the first half disc 3b and the second half disc 3c are both disc-shaped having a mounting circular hole at the center, are both mounted on the central shaft 2, are disposed at both sides of the rotary cutter disc 1, and wrap the rotary cutter disc 1 therebetween, the support portion 3a is further provided with a first half disc support 3a1 and a second half disc support 3a2, the first half disc support 3a1 is disposed on the outer circumferential surface of the first half disc 3b, the second half disc support 3a2 is disposed on the outer circumferential surface of the second half disc 3c, a gap is further provided between the first half disc support 3a1 and the second half disc support 3a2, and the scoring knife assembly 1a cuts off the continuous material w through the gap. The first half disc support 3a1 and the second half disc support 3a2 are both inclined plane type and mirror image symmetry, in order to better process the pipe type continuous material w in the embodiment, the first half disc support 3a1 and the second half disc support 3a2 are combined into a V shape, which can be applied to pipe type continuous materials w with different diameters.

Fig. 7 is a schematic side view of a rotary cutter head 1 according to an embodiment of the present invention.

According to an aspect of the embodiment of the present invention, as shown in fig. 7, the rotary cutter head 1 is further provided with a pin 1b, the pin 1b is a long cylinder and is fixed at the outer edge of the rotary cutter head 1, and the pin 1b can be directly replaced by other technical solutions according to technical means commonly used by those skilled in the art, for example, the long cylinder is replaced by a rod with two flat sections or a square shape integrally formed with the rotary cutter head 1.

According to an aspect of the embodiment of the present invention, a sliding groove h is further provided at a position of the first half disc 3b and the second half disc 3c corresponding to the pin shaft 1b, the sliding groove h is an elongated groove provided at a side surface of the first half disc 3b and the second half disc 3c opposite to the side of the rotary cutter disc 1 and recessed inwards, the width of the elongated groove is just capable of accommodating two ends of the pin shaft 1b to slide therein, after the first half disc 3b, the second half disc 3c and the rotary cutter disc 1 are mounted together, two ends of the pin shaft 1b are inserted into the corresponding sliding grooves h of the first half disc 3b and the second half disc 3c, at this time, the central shaft 2 is rotated, since two ends of the pin shaft 1b are already inserted into the corresponding sliding grooves h of the first half disc 3b and the second half disc 3c, relative rotation between the first half disc 3b and the second half disc 3c and the rotary cutter disc 1 is not generated along with the rotation of the central shaft 2, however, since the central shaft 2 is a stepped shaft and the center of the shaft diameter at the position where the rotary cutter head 1 is attached is offset from the center of the shaft diameter at the other position of the central shaft 2, the rotary cutter head 1 slides in the offset manner with respect to the first half disc 3b and the second half disc 3c as the central shaft 2 rotates, and at this time, the pin shaft 1b slides in the slide groove h to hold the rotary cutter head 1 so as not to rotate relative to the first half disc 3b and the second half disc 3 c. The rotary cutter head 1 can rotate synchronously with the half disc 3 and can generate the deviation of the rotary center relative to the half disc 3 through the interaction of the pin shaft 1b and the sliding groove h. In addition, a plurality of pin shafts 1b on the rotary cutter head 1 can be arranged, and a plurality of sliding grooves h on the corresponding first half disc 3b and second half disc 3c can also be arranged, and the sliding directions of the sliding grooves h all point to the rotary centers of the first half disc 3b and the second half disc 3 c.

Fig. 5 is a side view of the first half-shell 3b of the present invention.

Fig. 7 is a schematic side view of a rotary cutter head 1 according to an embodiment of the present invention.

According to an aspect of the embodiment of the present invention, as shown in fig. 7, a scoring knife assembly 1a and a knife disc frame 1j are arranged on the rotary knife disc 1, the scoring knife assembly 1a is uniformly distributed on the circumference of the edge of the knife disc frame 1j of the rotary knife disc 1, the scoring knife assembly 1a further includes a fixing screw 1a1, a pressing block 1a2 and a scoring knife 1a3, the pressing block 1a2 is used for pressing the scoring knife 1a3, and the scoring knife 1a3 is used for cutting the welding fillet of the continuous material w. The fixing screw 1a1 can pass through the pressing block 1a2 and be fastened on the cutter disc frame 1j and press the pressing block 1a2 on the scoring knife 1a3 so as to fix the scoring knife 1a3 on the cutter disc frame 1j of the rotary cutter disc 1. Still be equipped with on the side of first half dish 3b and dismantle hole 3b1, set screw 1a1 is located in dismantling hole 3b1, can be convenient through dismantling hole 3b1 and exert the moment of torsion to set screw 1a1 to the realization is to quick dismantlement and the change of scoring sword 1a 3. The scoring knife 1a3 is arranged in the gap between the first half disc support 3a1 and the second half disc support 3a2, and the rotary cutter disc 1 can generate the deviation of the rotary center relative to the half disc 3 by rotating the central shaft 2, so that the scoring knife 1a3 extends out of or retracts into the gap to adjust the cutting depth of the scoring knife 1a3 to the continuous material w.

Fig. 2 is a partial schematic view of a first operating state according to an embodiment of the present invention.

Fig. 4 is a partial schematic view of a second operating state of the embodiment of the present invention.

According to an aspect of the embodiment of the present invention, as shown in fig. 2 and 4, when the present invention needs to process a small-diameter tubular continuous material w, the small-diameter tubular continuous material w is placed under the first half disc support 3a1 and the second half disc support 3a2 to make the first half disc support 3a1 and the second half disc support 3a2 fully contact with the tubular continuous material w, and then the central shaft 2 is rotated to gradually adjust the relative spatial positions of the rotary cutter head 1 and the half disc 3 so that the scoring knife 1a3 gradually protrudes from the gap between the first half disc support 3a1 and the second half disc support 3a2 until the scoring knife protrudes to a certain position. When the technical scheme needs to process the large-diameter tubular continuous material w, the large-diameter tubular continuous material w is also placed below the first half disc support 3a1 and the second half disc support 3a2 to enable the first half disc support 3a1 and the second half disc support 3a2 to be respectively and fully contacted with the tubular continuous material w, then the central shaft 2 is continuously rotated, and the spatial relative position of the rotary cutter head 1 and the half disc 3 is gradually adjusted so that the scoring knife 1a3 gradually extends out of a gap between the first half disc support 3a1 and the second half disc support 3a2 until the scoring knife extends out to a determined position. When the continuous material w starts to continuously pass through the working position of the embodiment, the first half disc support 3a1 and the second half disc support 3a2 can generate friction with the continuous material w to enable the half disc 3 to generate a circumferential rotation speed synchronous with the continuous material w, so that the half disc 3 can drive the rotary cutter disc 1 to synchronously rotate to enable the scoring knife 1a3 to continuously cut off the welding fillet on the continuous material w at a fixed distance.

FIG. 8 is a schematic structural diagram of a second embodiment of the example of the present invention.

According to an aspect of the second embodiment of the present invention, as shown in fig. 8, the present technical solution can also be that the half-disc 3 only has the first half-disc 3b, and the rest of the structural solution and the operation manner are basically the same as the previous embodiment. This embodiment is suitable for the opposite side space narrow and small or the condition of being not convenient for be equipped with the mechanism.

FIG. 9 is a schematic structural diagram of a third embodiment of the example of the present invention.

According to an aspect of the third embodiment of the present invention, as shown in fig. 9, the present technical solution may also be that the shape of the first half-disc support 3a1 is a horizontal straight line or the first half-disc support 3a1 and the second half-disc support 3a2 are combined into a straight line, and the rest of the structural solution and the operation manner are substantially the same as the previous embodiment. This embodiment is suitable for the case where the continuous material w is in the shape of a flat plate.

It should be understood that the description herein of specific embodiments of the invention is exemplary and should not be construed as unduly limiting the scope of the invention. The scope of the invention is defined by the claims appended hereto, and encompasses all embodiments and obvious equivalents thereof that fall within their scope.

Claims (8)

1. The utility model provides a synchronous eccentric adjustment nick blade disc for the distance depthkeeping cuts off continuous material (w), including gyration blade disc (1) and central axle (2), gyration blade disc (1) can be installed on central axle (2) and can be for central axle (2) free rotary motion, still be equipped with nick knife tackle spare (1 a) on gyration blade disc (1), be eccentric settings on the position of installation gyration blade disc (1) on its characterized in that central axle (2), through center of rotation (2), the centre of gyration blade disc (1) can produce the change on the distance for the spatial position who is cut off continuous material (w), thereby realize nick knife tackle spare (1 a) to the adjustment of continuous material (w) cutting depth.

2. The synchronous eccentric adjustment scoring cutterhead according to claim 1, further comprising a half disc (3), wherein a support portion (3 a) is further disposed on the half disc (3), the half disc (3) is disposed on the outer side of the rotary cutterhead (1), the half disc (3) is also mounted on the central shaft (2) and can freely rotate relative to the central shaft (2), the support portion (3 a) and the continuous material (w) are in contact with each other, and the support portion (3 a) can be used for maintaining the distance between the scoring knife assembly (1 a) and the continuous material (w).

3. A synchronous eccentric adjustment scoring cutterhead according to claim 2, wherein said half-disc (3) is further provided with a first half-disc (3 b) and a second half-disc (3 c), said first half-disc (3 b) and second half-disc (3 c) are both disposed on both sides of the rotary cutterhead (1) and wrap the rotary cutterhead (1) in the middle thereof, said support portion (3 a) is further provided with a first half-disc support (3 a 1) and a second half-disc support (3 a 2), said first half-disc support (3 a 1) is disposed on the first half-disc (3 b), said second half-disc support (3 a 2) is disposed on the second half-disc (3 c), said first half-disc support (3 a 1) and second half-disc support (3 a 2) are further provided with a gap in the middle thereof, and said scoring cutterhead assembly (1 a) performs the cutting work on the continuous material (w) through the gap.

4. The utility model provides a synchronous eccentric adjustment nick blade disc of claim 3, characterized in that still be equipped with round pin axle (1 b) on gyration blade disc (1), still be equipped with sliding tray (h) on the position that first half dish (3 b) and second half dish (3 c) correspond with round pin axle (1 b), round pin axle (1 b) can slide in sliding tray (h), through the interact of round pin axle (1 b) with sliding tray (h), gyration blade disc (1) can rotate and can produce centre of rotation's skew for half dish (3) with half dish (3) in step.

5. The synchronous eccentric adjustment scoring knife disc of claim 4, wherein the scoring knife assembly (1 a) further comprises a fixing screw (1 a 1), a pressing block (1 a 2) and a scoring knife (1 a 3), the fixing screw (1 a 1) can press the pressing block (1 a 2) on the scoring knife (1 a 3) to fix the scoring knife (1 a 3) on the rotary knife disc (1), a dismounting hole (3 b 1) is further arranged on the side surface of the first half disc (3 b), the fixing screw (1 a 1) is arranged in the dismounting hole (3 b 1), and torque can be conveniently applied to the fixing screw (1 a 1) through the dismounting hole (3 b 1), so that the quick dismounting and replacement of the scoring knife (1 a 3) are realized.

6. A synchronous eccentric adjustment scoring disc as claimed in claim 5, characterized in that the scoring knife (1 a 3) is provided in the gap between the first half disc support (3 a 1) and the second half disc support (3 a 2), and the rotating disc (1) can be shifted with respect to the half disc (3) by rotating the central shaft (2), so that the scoring knife (1 a 3) is extended or retracted in the gap to adjust the cutting depth of the continuous material (w) by the scoring knife (1 a 3).

7. A synchronous eccentric adjustment scoring cutterhead in accordance with claim 6 wherein the first half disc support (3 a 1) and the second half disc support (3 a 2) are both beveled and mirror symmetrical to each other, the first half disc support (3 a 1) and the second half disc support (3 a 2) are combined into a V-shape for application to tubular continuous materials (w) of different diameters.

8. A synchronous eccentric adjustment scoring cutterhead in accordance with claim 7, wherein the number of the pin shafts (1 b) on the rotary cutterhead (1) may be plural, and the number of the sliding grooves (h) on the corresponding first half-disc (3 b) and second half-disc (3 c) may also be plural and the sliding direction of the sliding grooves (h) is all directed to the centre of rotation of the first half-disc (3 b) and second half-disc (3 c).

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