CN211331553U

CN211331553U - Disc shearing machine set

Info

Publication number: CN211331553U
Application number: CN201921895303.9U
Authority: CN
Inventors: 张迪; 王卫国; 万申
Original assignee: Jiangsu Dingsheng New Energy Material Co Ltd
Current assignee: Jiangsu Dingsheng New Energy Material Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-25
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a circle shear unit, which comprises a fixed base (1), wherein the fixed base (1) is provided with two movable bases (8) which are opposite to each other and can move along a horizontal straight line and an adjusting device for driving the two movable bases (8) to approach or separate from each other; each movable machine base (8) is provided with a machine case (13) and a power device (6) for providing rotary power for the upper cutter shaft (15) and the lower cutter shaft (16) on the machine case (13); an upper disc blade (15) is installed on the upper cutter shaft (15), and a lower disc blade (16) is installed on the lower cutter shaft (16). The utility model discloses beneficial effect who has: the distance between the disc blades can be adjusted freely and quickly.

Description

Disc shearing machine set

Technical Field

The invention belongs to the technical field of processing equipment, and particularly relates to a circle shear unit.

Background

Disc shears typically use two sets of rotating disc blades to continuously and longitudinally shear moving sheets and strips, sometimes into relatively narrow strips, or to shear their edges together. The two disc blades on each group of disc blades can cut the plate or the strip when rotating, and the distance between the two groups of disc blades determines the forming width of the plate or the strip to be cut. In practical application, in order to meet the cutting requirements of plates and strips with different widths, the distances between two groups of disc blades must be adjusted by installing shaft sleeves with different lengths on a shaft for installing the disc blades so as to adjust the distances between the disc blades, but the defects of the method are obvious and are embodied in the following aspects: on the one hand, need carry out the dismantlement of certain degree to equipment when the installation axle sleeve, just can accomplish the installation of axle sleeve, consequently preorder work is comparatively wasted time and energy, reduces whole work efficiency, and on the other hand, though axle sleeve length diverse, nevertheless also can't satisfy the installation requirement of the arbitrary interval of disc blade, consequently still has certain limitation.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a circle shear unit which can adjust the distance between circle blades freely and quickly.

In order to solve the prior art problem, the invention discloses a circle shear unit, which comprises a fixed base, wherein two movable bases which are opposite to each other and can move along a horizontal straight line and an adjusting device for driving the two movable bases to approach or move away from each other are arranged on the fixed base; each movable machine base is provided with a case and a power device for providing rotary power for the upper cutter shaft and the lower cutter shaft on the case; an upper disc blade is installed on the upper cutter shaft, and a lower disc blade is installed on the lower cutter shaft.

Furthermore, a linear slide rail is arranged on the machine base, a plurality of sliding blocks capable of sliding along the linear slide rail are arranged on the linear slide rail, and the movable machine base is fixedly arranged on the corresponding sliding blocks.

Further, the adjusting device comprises a motor, a power distribution mechanism I and a lead screw; the number of the screw rods is two, the screw rods are rotatably arranged on the fixed base, a screw rod nut is arranged on each screw rod, and the screw rod nuts are fixedly connected with the corresponding movable base; the power distribution mechanism I is provided with an input shaft and two output shafts, the input shaft is connected with a main shaft of the motor, and the output shafts are connected with the end parts of the corresponding lead screws.

Further, the power distribution mechanism I is a worm gear mechanism, the screwing directions of the two output shafts are the same, and the screwing directions of the threads of the two lead screws are opposite.

Further, the power distribution mechanism I is a bevel gear mechanism, the rotating directions of the two output shafts are opposite, and the thread rotating directions of the two lead screws are the same.

Furthermore, the power device comprises a power motor and a speed reducer, a main shaft of the power motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with an input shaft of the case through a coupler.

Furthermore, a power distribution mechanism II is arranged in the case, and the power distribution mechanism II is connected between the input shaft of the case and the upper and lower cutter shafts to enable the upper and lower cutter shafts to rotate in opposite directions.

Furthermore, an adjusting handwheel I, II is arranged on the case; the hand wheel I is used for adjusting the overlapping amount between the upper disc blade and the lower disc blade, the upper cutter shaft adopts an eccentric structure, and the adjustment is carried out by rotating the hand wheel I; the hand wheel II is used for adjusting a gap between the upper disc blade and the lower disc blade, a rack is arranged inside the upper cutter shaft, a gear meshed with the rack is arranged inside the hand wheel II, and the hand wheel II is adjusted through rotation.

Further, a shaft sleeve I, a shaft sleeve II and a lock ring are sequentially sleeved on the upper cutter shaft from inside to outside, and the upper disc blade is arranged between the shaft sleeve I and the shaft sleeve II; a shaft sleeve III and a locking ring are sequentially sleeved on the lower cutter shaft from inside to outside, and the lower disc blade is arranged between the inner side shoulder of the lower cutter shaft and the shaft sleeve III; the lock ring is respectively in threaded connection with the upper cutter shaft and the lower cutter shaft.

The invention has the following beneficial effects: the distance between the disc blades can be adjusted freely and quickly.

Drawings

FIG. 1 is a front view of the structure of one embodiment of the present invention;

FIG. 2 is a schematic diagram of the result of the disc blade of the embodiment shown in FIG. 1;

fig. 3 is a left side view of the structure of one embodiment of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3, a circle shear set comprises a fixed base 1, wherein two movable bases 8 which are opposite to each other and can move along a horizontal straight line and an adjusting device for driving the two movable bases 8 to approach or depart from each other are arranged on the fixed base 1; each movable base 8 is provided with a case 13 and a power device 6 for providing rotary power for an upper cutter shaft 15 and a lower cutter shaft 16 on the case 13; an upper disc blade 19 is mounted on the upper cutter shaft 15, and a lower disc blade 20 is mounted on the lower cutter shaft 16.

During cutting, the power unit 6 is activated to drive the upper knife shaft 15 and the lower knife shaft 16 on the machine box 13 to rotate in opposite directions, so that the plate or the strip is cut by the upper disc blade 19 and the lower disc blade 20 when passing through the same. When the distance between the two groups of disc blades needs to be adjusted, the adjusting device is only needed to be started, and the two movable bases 8 are close to or far away from each other to reach the expected position. The mode can not only avoid the disassembly of the equipment, but also can randomly adjust the distance between the disc blades according to the requirement, thereby improving the processing efficiency and the flexible degree of freedom.

In one embodiment, the base 1 is provided with a linear slide rail 18, the linear slide rail 18 is provided with a plurality of sliding blocks 7 capable of sliding on the linear slide rail 18, and the movable base 8 is fixedly arranged on the corresponding sliding block 7.

In one embodiment, the adjusting device comprises a motor, a power distribution mechanism I4 and a lead screw 2; the number of the screw rods 2 is two, the screw rods are rotatably arranged on the fixed base 1, a screw rod nut 3 is arranged on each screw rod 2, and the screw rod nuts 3 are fixedly connected with the corresponding movable bases 8; the power split mechanism I4 has an input shaft connected to the main shaft of the motor and two output shafts connected to the ends of the respective lead screws 2. It should be noted that the adjusting device may also be adjusted manually, that is, a handwheel is used to replace the motor and is directly connected to the input shaft of the power distribution mechanism I4.

In one embodiment, the power distribution mechanism I4 is a worm gear mechanism, the two output shafts have the same thread direction, and the two lead screws 2 have opposite thread directions. The worm and gear mechanism not only can change the power direction, but also has a self-locking function, and can avoid the movable base 8 from shifting in the working process.

In one embodiment, the power distribution mechanism I4 is a bevel gear mechanism, the two output shafts have opposite screw directions, and the two lead screws 2 have the same screw direction.

In one embodiment, the power device 6 comprises a power motor 9 and a speed reducer 25, a main shaft of the power motor 9 is connected with an input shaft of the speed reducer 25, and an output shaft of the speed reducer 25 is connected with an input shaft of the case 13 through a coupling 10.

In one embodiment, a power distribution mechanism II is disposed in the housing 13, and the power distribution mechanism II is connected between the input shaft of the housing 13 and the upper and

lower cutter shafts

15 and 16, so that the upper and

lower cutter shafts

15 and 16 can rotate in opposite directions. The power split mechanism II may be a gear mechanism or a sprocket mechanism.

In one embodiment, the case 13 is provided with an adjusting handwheel I12 and an adjusting handwheel II 14; the hand wheel I12 is used for adjusting the overlapping amount between the upper disc blade 19 and the lower disc blade 20, the upper cutter shaft 15 adopts an eccentric structure and is adjusted by rotating the hand wheel I12; the hand wheel II14 is used for adjusting the gap between the upper disc blade 19 and the lower disc blade 20, a rack is arranged inside the upper cutter shaft 15, a gear meshed with the rack is arranged inside the hand wheel II14, and the adjustment is performed by rotating the hand wheel II 14.

In one embodiment, a shaft sleeve I21, a shaft sleeve II22 and a lock ring 17 are sleeved on the upper cutter shaft 15 from inside to outside in sequence, and the upper disc blade 19 is arranged between the shaft sleeve I21 and the shaft sleeve II 22; the lower cutter shaft 16 is sleeved with a shaft sleeve III24 and a lock ring 17 from inside to outside in sequence, and the lower disc blade 20 is arranged between the inner shoulder of the lower cutter shaft 16 and the shaft sleeve III 24; the lock ring 17 is screwed with the upper cutter shaft 15 and the lower cutter shaft 16 respectively. The upper disc blade 19 is staggered relative to the lower disc blade 20 in the axial direction by the bushing I21, so that the two blades can be overlapped in the radial direction, and the purpose of shearing materials is achieved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A circle shear unit is characterized in that: the device comprises a fixed base (1), wherein two opposite movable bases (8) capable of moving along a horizontal straight line and an adjusting device for driving the two movable bases (8) to approach or separate from each other are arranged on the fixed base (1); each movable machine base (8) is provided with a machine case (13) and a power device (6) for providing rotary power for an upper cutter shaft (15) and a lower cutter shaft (16) on the machine case (13); an upper disc blade (19) is installed on the upper cutter shaft (15), and a lower disc blade (20) is installed on the lower cutter shaft (16).

2. A rotary shear assembly according to claim 1, wherein: the automatic lifting device is characterized in that a linear slide rail (18) is arranged on the machine base (1), a plurality of sliding blocks (7) capable of sliding along the linear slide rail (18) are arranged on the linear slide rail (18), and the movable machine base (8) is fixedly arranged on the corresponding sliding blocks (7).

3. A rotary shear assembly according to claim 1, wherein: the adjusting device comprises a motor, a power distribution mechanism I (4) and a lead screw (2); the number of the lead screws (2) is two, the lead screws are rotatably arranged on the fixed base (1), a lead screw nut (3) is arranged on each lead screw (2), and each lead screw nut (3) is fixedly connected with the corresponding movable base (8); the power distribution mechanism I (4) is provided with an input shaft and two output shafts, the input shaft is connected with a main shaft of the motor, and the output shafts are connected with the end parts of the corresponding lead screws (2).

4. A rotary shear assembly according to claim 3, wherein: the power distribution mechanism I (4) is a worm gear mechanism, the rotating directions of the two output shafts are the same, and the rotating directions of the threads of the two lead screws (2) are opposite.

5. A rotary shear assembly according to claim 3, wherein: the power distribution mechanism I (4) is a bevel gear mechanism, the rotating directions of the two output shafts are opposite, and the thread rotating directions of the two lead screws (2) are the same.

6. A rotary shear assembly according to claim 1, wherein: the power device (6) comprises a power motor (9) and a speed reducer (25), a main shaft of the power motor (9) is connected with an input shaft of the speed reducer (25), and an output shaft of the speed reducer (25) is connected with an input shaft of the case (13) through a coupler (10).

7. A rotary shear assembly according to claim 6, wherein: a power distribution mechanism II is arranged in the case (13), and the power distribution mechanism II is connected between an input shaft of the case (13) and the upper cutter shaft (15) and the lower cutter shaft (16) to enable the upper cutter shaft (15) and the lower cutter shaft (16) to rotate in opposite directions.

8. A rotary shear assembly according to claim 1, wherein: an adjusting hand wheel I (12) and an adjusting hand wheel II (14) are arranged on the case (13); the hand wheel I (12) is used for adjusting the overlapping amount between the upper disc blade (19) and the lower disc blade (20), the upper cutter shaft (15) adopts an eccentric structure, and the adjustment is carried out by rotating the hand wheel I (12); the hand wheel II (14) is used for adjusting a gap between the upper disc blade (19) and the lower disc blade (20), a rack is arranged inside the upper cutter shaft (15), a gear meshed with the rack is arranged inside the hand wheel II (14), and the hand wheel II (14) is adjusted through rotation.

9. A rotary shear assembly according to claim 1, wherein: a shaft sleeve I (21), a shaft sleeve II (22) and a lock ring (17) are sleeved on the upper cutter shaft (15) from inside to outside in sequence, and the upper disc blade (19) is arranged between the shaft sleeve I (21) and the shaft sleeve II (22); a shaft sleeve III (24) and a lock ring (17) are sequentially sleeved on the lower cutter shaft (16) from inside to outside, and the lower disc blade (20) is arranged between the inner shoulder of the lower cutter shaft (16) and the shaft sleeve III (24); the lock ring (17) is respectively screwed with the upper cutter shaft (15) and the lower cutter shaft (16).